CN209313228U - A kind of Internet of Things power distribution cabinet - Google Patents
A kind of Internet of Things power distribution cabinet Download PDFInfo
- Publication number
- CN209313228U CN209313228U CN201920071966.2U CN201920071966U CN209313228U CN 209313228 U CN209313228 U CN 209313228U CN 201920071966 U CN201920071966 U CN 201920071966U CN 209313228 U CN209313228 U CN 209313228U
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- China
- Prior art keywords
- power distribution
- distribution cabinet
- block
- installing frame
- main body
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to power distribution cabinet technical fields, and disclose a kind of Internet of Things power distribution cabinet, including power distribution cabinet main body, the interior bottom of power distribution cabinet main body offers holding tank, the inside of holding tank is fixedly connected with the internal wind-guiding block for offering cavity, multiple equally distributed exhaust vents are offered at the top of wind-guiding block, multiple exhaust vents are connected with the cavity of wind-guiding block, the bottom fixation of power distribution cabinet main body is communicated with blast pipe, the top of blast pipe is connected to the fixation of the cavity of wind-guiding block, blast pipe is internally provided with dust-proof mechanism corresponding with blast pipe, the top fixation of power distribution cabinet main body is communicated with square tube, the top of four inner sidewalls of square tube offers the first mounting groove.The utility model can the inside effectively to power distribution cabinet main body radiate, to efficiently avoiding power distribution cabinet main body since internal temperature is too high to work normally, and the first Air Filter and the second Air Filter can be convenient to clean and convenient for repairing to exhaust fan.
Description
Technical field
The utility model relates to power distribution cabinet technical field more particularly to a kind of Internet of Things power distribution cabinets.
Background technique
With the continuous development of society, also rapidly, power distribution cabinet is normal in internet of things field for the development of technology of Internet of things
The equipment seen, is widely used, therefore its performance requirement is also being continuously improved.
Existing Internet of Things power distribution cabinet generally opens up heat release hole in the side wall of power distribution cabinet and radiates, the heat dissipation of this mode
Effect is poor, and power distribution cabinet is easy to generate failure because hot gas can not exclude in time, affects the normal work of power distribution cabinet.
Utility model content
It is poor purpose of the utility model is to solve the heat dissipation effect of power distribution cabinet in the prior art and influence power distribution cabinet
The problem of normal work, and a kind of Internet of Things power distribution cabinet proposed.
To achieve the goals above, the utility model adopts the technical scheme that
The interior bottom of a kind of Internet of Things power distribution cabinet, including power distribution cabinet main body, the power distribution cabinet main body offers holding tank,
The inside of the holding tank is fixedly connected with the internal wind-guiding block for offering cavity, offers at the top of the wind-guiding block multiple equal
The exhaust vent of even distribution, multiple exhaust vents are connected with the cavity of wind-guiding block, and the bottom of the power distribution cabinet main body is fixed
Be communicated with blast pipe, the top of the blast pipe be connected to the fixation of the cavity of wind-guiding block, the blast pipe be internally provided with and
The corresponding dust-proof mechanism of blast pipe, the top of the power distribution cabinet main body is fixed to be communicated with square tube, four insides of the square tube
The top of wall offers the first mounting groove, four mutually close one end of first mounting groove be connected with each other it is logical, and four
The inside of one mounting groove is plugged with the first installing frame jointly, and the inner wall of first installing frame is fixedly connected with the first Air Filter,
The interior bottom of opposite first mounting groove of two of them offers the second mounting groove, two second mounting grooves it is interior
Portion is plugged with link block, and two mutually close side walls of the link block are fixedly connected with exhaust fan jointly, the square tube it is interior
Portion offers drive cavity, one of them described link block and the first installing frame offer card slot close to the side wall of drive cavity, institute
That states drive cavity is internally provided with clamp system corresponding with two card slots, another described link block and the first installing frame are remote
Side wall from drive cavity offers arc groove, one of them described first mounting groove is remote with the second mounting groove described in one of them
Inner sidewall from drive cavity offers sliding slot, and the inside of two sliding slots is respectively arranged with corresponding with two arc grooves
The bottom four corners of clamping mechanism, the power distribution cabinet main body are fixedly connected to supporting block.
Preferably, the clamp system includes the first fixture block and the second fixture block, and the drive cavity is close to the first installing frame
Inner sidewall is opened up there are two square hole, and first fixture block and the second fixture block are slidably connected with two square holes respectively, and the first fixture block
The inside of two card slots, the equal fixing sleeve of side wall of first fixture block and the second fixture block are extended respectively to one end of the second fixture block
It is connected to fixed plate, the fixed plate is fixedly connected with more jointly between the side wall of the first installing frame and the inner sidewall of drive cavity
One end that a equally distributed first spring, first fixture block and the second fixture block are located inside drive cavity is set as inclined-plane, institute
The inner top for stating drive cavity is threaded with threaded rod, and one end of the threaded rod extends to the outside of drive cavity and is fixedly connected
There is operating stick, the other end of the threaded rod extends to the inside of drive cavity and is fixedly attached there are two round table-like drive block,
The side wall of two drive blocks offsets with two inclined-planes respectively.
Preferably, the clamping mechanism includes sliding block, and the sliding block is slidably connected with sliding slot, and one end of the sliding block is fixed
Be connected with hemispherical compact heap, the side wall of the compact heap and the inner sidewall of arc groove offset, the other end of the sliding block with
It is fixedly connected with second spring jointly between the inner sidewall of sliding slot.
Preferably, the dust-proof mechanism includes the second installing frame to match with air inlet tube cavity, second installing frame
Outer wall offer external screw thread, the inner wall of the blast pipe offers internal screw thread, and second installing frame and air inlet pipe screw thread connect
It connects, the inner wall of second installing frame is fixedly connected with the second Air Filter, and the bottom of second installing frame is fixedly connected with two
A symmetrically arranged first in command.
Preferably, symmetrically arranged second handle there are two being fixedly connected at the top of first installing frame.
Preferably, the sliding block and compact heap are integrally formed.
Compared with prior art, the utility model provides a kind of Internet of Things power distribution cabinet, have it is following the utility model has the advantages that
1, the Internet of Things power distribution cabinet starts exhaust fan, exhaust fan extracts power distribution cabinet body interior by the way that exhaust fan is arranged
Hot-air, and it is discharged by the inside of square tube, the air of power distribution cabinet body exterior enters the sky of wind-guiding block by blast pipe
It is intracavitary, and the electric elements of power distribution cabinet body interior are blowed to by multiple exhaust vents, by the way that multiple exhaust vents are arranged, so that air
More can comprehensively blow to electric elements so that the heat dissipation effect to electric elements is more preferable, by the first Air Filter of setting and
Second Air Filter efficiently avoids the normal work that dust enters the inside of power distribution cabinet main body and influences electric elements.
2, the Internet of Things power distribution cabinet rotates threaded rod by operating stick, threaded rod is made to drive two by the way that operating stick is arranged
A drive block does upward movement, under the action of the first spring force, the first fixture block and the second fixture block respectively with two card slots
Separation, when the first fixture block and complete two exact separations of the second fixture block, the side wall of two drive blocks still with two inclined-plane phases
It supports, at this point, above being mentioned the first installing frame and the first Air Filter by second handle, the inner wall of the arc groove on the first installing frame is squeezed
Compact heap and sliding block are pressed, compact heap is made to do the movement far from the first installing frame, until compact heap is separated with the first installing frame completely,
The first installing frame and the first Air Filter can be taken out to clear up, together by the inside of four the first mounting grooves easily
Reason can be taken out link block and exhaust fan to repair to exhaust fan, by making the second installing frame by the inside of square tube
It is threadedly coupled with blast pipe, is cleared up convenient for disassembling the second Air Filter.
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
Can the inside effectively to power distribution cabinet main body radiate, to efficiently avoid power distribution cabinet main body due to internal temperature mistake
It is high and can not work normally, and the first Air Filter and the second Air Filter can be convenient to clean and convenient for tieing up to exhaust fan
It repairs.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of Internet of Things power distribution cabinet structural schematic diagram；
Fig. 2 is the structural schematic diagram of part A in Fig. 1；
Fig. 3 be the utility model proposes a kind of square tube of Internet of Things power distribution cabinet and the connection structure of the first installing frame show
It is intended to；
Fig. 4 be the utility model proposes a kind of Internet of Things power distribution cabinet wind-guiding block structural schematic diagram.
In figure: 1 power distribution cabinet main body, 2 wind-guiding blocks, 3 exhaust vents, 4 blast pipes, 5 square tubes, 6 first installing frames, 7 first dust-proof
Net, 8 link blocks, 9 exhaust fans, 10 supporting blocks, 11 first fixture blocks, 12 fixed plates, 13 threaded rods, 14 operating sticks, 15 drive blocks, 16
Sliding block, 17 compact heaps, 18 second springs, 19 second Air Filters, 20 second handles.
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.1-4, the interior bottom of a kind of Internet of Things power distribution cabinet, including power distribution cabinet main body 1, power distribution cabinet main body 1 opens up
There is holding tank, the inside of holding tank is fixedly connected with the internal wind-guiding block 2 for offering cavity, and the top of wind-guiding block 2 offers more
A equally distributed exhaust vent 3, multiple exhaust vents 3 are connected with the cavity of wind-guiding block 2, and the bottom of power distribution cabinet main body 1 is fixed
It is communicated with blast pipe 4, the top of blast pipe 4 is connected to the fixation of the cavity of wind-guiding block 2, and blast pipe 4 being internally provided with and entering the wind
The top fixation of the corresponding dust-proof mechanism of pipe 4, power distribution cabinet main body 1 is communicated with square tube 5, the top of four inner sidewalls of square tube 5
Offer the first mounting groove, four mutually close one end of the first mounting groove are connected with each other logical, and four the first mounting grooves is interior
Portion is plugged with the first installing frame 6 jointly, and the inner wall of the first installing frame 6 is fixedly connected with the first Air Filter 7, and two of them are opposite
The interior bottom of first mounting groove offers the second mounting groove, and the inside of two the second mounting grooves is plugged with link block 8, and two
The mutually close side wall of link block 8 is fixedly connected with exhaust fan 9 jointly, and the inside of square tube 5 offers drive cavity, one of connection
Block 8 and the first installing frame 6 offer card slot close to the side wall of drive cavity, and being internally provided with for drive cavity is opposite with two card slots
The clamp system answered, another link block 8 and the first installing frame 6 offer arc groove far from the side wall of drive cavity, wherein one
A first mounting groove and one of them second mounting groove offer sliding slot, the inside of two sliding slots far from the inner sidewall of drive cavity
It is respectively arranged with clamping mechanism corresponding with two arc grooves, the bottom four corners of power distribution cabinet main body 1 are fixedly connected to support
Block 10.
Clamp system includes the first fixture block 11 and the second fixture block, and drive cavity is offered close to the inner sidewall of the first installing frame 6
Two square holes, the first fixture block 11 and the second fixture block are slidably connected with two square holes respectively, and the first fixture block 11 and the second fixture block
One end extends respectively to the inside of two card slots, and the equal fixing sleeve of side wall of the first fixture block 11 and the second fixture block is connected to fixed plate 12,
Fixed plate 12 is fixedly connected with multiple equally distributed jointly between the side wall of the first installing frame 6 and the inner sidewall of drive cavity
First spring, the first fixture block 11 and the second fixture block are located at one end inside drive cavity and are set as inclined-plane, the inner top spiral shell of drive cavity
Line is connected with threaded rod 13, and one end of threaded rod 13 extends to the outside of drive cavity and is fixedly connected with operating stick 14, threaded rod
13 other end extends to the inside of drive cavity and is fixedly attached there are two round table-like drive block 15, the side of two drive blocks 15
Wall offsets with two inclined-planes respectively, and clamp system is for fixing the first installing frame 6 and link block 8.
Clamping mechanism includes sliding block 16, and sliding block 16 is slidably connected with sliding slot, and one end of sliding block 16 is fixedly connected with hemispherical
Compact heap 17, the side wall of compact heap 17 and the inner sidewall of arc groove offset, the inner sidewall of the other end of sliding block 16 and sliding slot it
Between be fixedly connected with second spring 18 jointly, clamping mechanism keeps the first installing frame 6 and link block 8 more stable.
Dust-proof mechanism includes the second installing frame to match with 4 inner cavity of blast pipe, and the outer wall of the second installing frame offers outer
Screw thread, the inner wall of blast pipe 4 offer internal screw thread, and the second installing frame is threadedly coupled with blast pipe 4, and the inner wall of the second installing frame is solid
Surely it is connected with the second Air Filter 19, the bottom of the second installing frame is fixedly connected with that there are two the symmetrically arranged first in command, dust-proof machines
Structure efficiently avoids the inside that dust enters power distribution cabinet main body 1.
The top of first installing frame 6 is fixedly connected there are two symmetrically arranged second handle 20, and second handle 20 is convenient for people
Operate the second installing frame, sliding block 16 and compact heap 17 are integrally formed.
In the utility model, start exhaust fan 9, exhaust fan 9 extract power distribution cabinet main body 1 inside hot-air, and by its by
The inside of square tube 5 is discharged, and the air outside power distribution cabinet main body 1 enters by blast pipe 4 in the cavity of wind-guiding block 2, and by more
A exhaust vent 3 blows to the electric elements inside power distribution cabinet main body 1, by the way that multiple exhaust vents 3 are arranged, allows air to more complete
Electric elements are blowed to face, so that the heat dissipation effect to electric elements is more preferable, pass through the first Air Filter 7 of setting and the second Air Filter
19, the normal work that dust enters the inside of power distribution cabinet main body 1 and influences electric elements is efficiently avoided, operating stick 14 is passed through
Threaded rod 13 is rotated, makes threaded rod 13 that two drive blocks 15 be driven to do upward movement, under the action of the first spring force, the
One fixture block 11 and the second fixture block respectively with two exact separations, when the first fixture block 11 and the second fixture block completely with two exact separations
When, the side wall of two drive blocks 15 still offsets with two inclined-planes, at this point, by second handle 20 by the first installing frame 6 and the
One Air Filter 7 above mentions, and the inner wall of the arc groove on the first installing frame 6 squeezes compact heap 17 and sliding block 16, does compact heap 17 far
Movement from the first installing frame 6 can be easily by the first installation until compact heap 17 is separated with the first installing frame 6 completely
Frame 6 and the first Air Filter 7 are taken out by the inside of four the first mounting grooves to be cleared up, similarly, can be by link block 8 and air draft
Fan 9 is taken out by the inside of square tube 5 to repair to exhaust fan 9, by being threadedly coupled the second installing frame with blast pipe 4,
It is cleared up convenient for disassembling the second Air Filter 19.
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 (6)
1. a kind of Internet of Things power distribution cabinet, including power distribution cabinet main body (1), which is characterized in that the interior bottom of the power distribution cabinet main body (1)
Portion offers holding tank, and the inside of the holding tank is fixedly connected with the internal wind-guiding block (2) for offering cavity, the wind-guiding block
(2) multiple equally distributed exhaust vents (3), cavity phase of multiple exhaust vents (3) with wind-guiding block (2) are offered at the top of
The bottom fixation of connection, the power distribution cabinet main body (1) is communicated with blast pipe (4), the top of the blast pipe (4) and wind-guiding block
(2) the fixed connection of cavity, the blast pipe (4) is internally provided with dust-proof mechanism corresponding with blast pipe (4), described to match
The top fixation of electric cabinet main body (1) is communicated with square tube (5), and the top of four inner sidewalls of the square tube (5) offers first
Mounting groove, four mutually close one end of first mounting groove are connected with each other logical, and the inside of four the first mounting grooves is inserted jointly
It is connected to the first installing frame (6), the inner wall of first installing frame (6) is fixedly connected with the first Air Filter (7), and two of them are opposite
The interior bottom of first mounting groove offer the second mounting groove, the inside company of being plugged with of two second mounting grooves
Connect block (8), two mutually close side walls of the link block (8) are fixedly connected with exhaust fan (9) jointly, the square tube (5) it is interior
Portion offers drive cavity, and the side wall of one of them described link block (8) and the close drive cavity of the first installing frame (6) offers card
Slot, the drive cavity are internally provided with clamp system corresponding with two card slots, another described link block (8) and first
Installing frame (6) offers arc groove far from the side wall of drive cavity, one of them described first mounting groove and one of them described in
Second mounting groove offers sliding slot far from the inner sidewall of drive cavity, and the inside of two sliding slots is respectively arranged with and two arcs
The bottom four corners of the corresponding clamping mechanism of shape slot, the power distribution cabinet main body (1) are fixedly connected to supporting block (10).
2. a kind of Internet of Things power distribution cabinet according to claim 1, which is characterized in that the clamp system includes the first card
Block (11) and the second fixture block, the drive cavity are opened up close to the inner sidewall of the first installing frame (6) there are two square hole, first card
Block (11) and the second fixture block are slidably connected with two square holes respectively, and one end of the first fixture block (11) and the second fixture block each extends over
To the inside of two card slots, the equal fixing sleeve of side wall of first fixture block (11) and the second fixture block is connected to fixed plate (12), described
Fixed plate (12) is fixedly connected with multiple uniform points jointly between the side wall of the first installing frame (6) and the inner sidewall of drive cavity
First spring of cloth, first fixture block (11) and the second fixture block are located at one end inside drive cavity and are set as inclined-plane, the biography
The inner top of dynamic chamber is threaded with threaded rod (13), and one end of the threaded rod (13) extends to outside and the fixation of drive cavity
It is connected with operating stick (14), the other end of the threaded rod (13) extends to the inside of drive cavity and is fixedly attached there are two rotary table
The side wall of the drive block (15) of shape, two drive blocks (15) offsets with two inclined-planes respectively.
3. a kind of Internet of Things power distribution cabinet according to claim 1, which is characterized in that the clamping mechanism includes sliding block
(16), the sliding block (16) is slidably connected with sliding slot, and one end of the sliding block (16) is fixedly connected with hemispherical compact heap
(17), the side wall of the compact heap (17) and the inner sidewall of arc groove offset, the other end of the sliding block (16) and sliding slot it is interior
Second spring (18) are fixedly connected between side wall jointly.
4. a kind of Internet of Things power distribution cabinet according to claim 1, which is characterized in that the dust-proof mechanism includes and air inlet
The second installing frame that pipe (4) inner cavity matches, the outer wall of second installing frame offer external screw thread, the blast pipe (4)
Inner wall offers internal screw thread, and second installing frame is threadedly coupled with blast pipe (4), and the inner wall of second installing frame is fixed to be connected
It is connected to the second Air Filter (19), the bottom of second installing frame is fixedly connected there are two the symmetrically arranged first in command.
5. a kind of Internet of Things power distribution cabinet according to claim 1, which is characterized in that the top of first installing frame (6)
Portion is fixedly connected there are two symmetrically arranged second handle (20).
6. a kind of Internet of Things power distribution cabinet according to claim 3, which is characterized in that the sliding block (16) and compact heap
(17) it is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071966.2U CN209313228U (en) | 2019-01-16 | 2019-01-16 | A kind of Internet of Things power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920071966.2U CN209313228U (en) | 2019-01-16 | 2019-01-16 | A kind of Internet of Things power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209313228U true CN209313228U (en) | 2019-08-27 |
Family
ID=67681056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920071966.2U Expired - Fee Related CN209313228U (en) | 2019-01-16 | 2019-01-16 | A kind of Internet of Things power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209313228U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110676730A (en) * | 2019-10-29 | 2020-01-10 | 张婷 | Firm embedded power distribution cabinet capable of improving heat extraction efficiency |
| CN110829232A (en) * | 2019-10-23 | 2020-02-21 | 徐州鑫贝克电力设备有限公司 | Power distribution cabinet with internal protection device |
| CN111356314A (en) * | 2020-03-21 | 2020-06-30 | 新昌县七星街道新伟机械厂 | Internal circuit protection device for outdoor installation type electrical cabinet |
| CN112054406A (en) * | 2020-08-24 | 2020-12-08 | 周宇 | Outdoor distribution box for national power grid of initiative cooling type |
| CN112292005A (en) * | 2020-10-27 | 2021-01-29 | 安徽山巅电力科技有限公司 | Wall-hanging electric appliance cabinet convenient to heat dissipation |
| CN112783295A (en) * | 2021-02-18 | 2021-05-11 | 北京泽桥传媒科技股份有限公司 | Automatic content recommendation method and terminal based on user behaviors |
| CN117560883A (en) * | 2024-01-09 | 2024-02-13 | 深圳市嘉力电气技术有限公司 | Extreme ultraviolet xenon lamp driving power supply |
-
2019
- 2019-01-16 CN CN201920071966.2U patent/CN209313228U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829232A (en) * | 2019-10-23 | 2020-02-21 | 徐州鑫贝克电力设备有限公司 | Power distribution cabinet with internal protection device |
| CN110676730A (en) * | 2019-10-29 | 2020-01-10 | 张婷 | Firm embedded power distribution cabinet capable of improving heat extraction efficiency |
| CN111356314A (en) * | 2020-03-21 | 2020-06-30 | 新昌县七星街道新伟机械厂 | Internal circuit protection device for outdoor installation type electrical cabinet |
| CN112054406A (en) * | 2020-08-24 | 2020-12-08 | 周宇 | Outdoor distribution box for national power grid of initiative cooling type |
| CN112054406B (en) * | 2020-08-24 | 2022-08-23 | 东营金丰正阳科技发展有限公司 | Outdoor distribution box of initiative cooling type |
| CN112292005A (en) * | 2020-10-27 | 2021-01-29 | 安徽山巅电力科技有限公司 | Wall-hanging electric appliance cabinet convenient to heat dissipation |
| CN112783295A (en) * | 2021-02-18 | 2021-05-11 | 北京泽桥传媒科技股份有限公司 | Automatic content recommendation method and terminal based on user behaviors |
| CN117560883A (en) * | 2024-01-09 | 2024-02-13 | 深圳市嘉力电气技术有限公司 | Extreme ultraviolet xenon lamp driving power supply |
| CN117560883B (en) * | 2024-01-09 | 2024-03-19 | 深圳市嘉力电气技术有限公司 | Extreme ultraviolet xenon lamp driving power supply |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 |