CN108666903B - A kind of outdoor electric cabinet convenient for safeguarding - Google Patents
A kind of outdoor electric cabinet convenient for safeguarding Download PDFInfo
- Publication number
- CN108666903B CN108666903B CN201810335696.1A CN201810335696A CN108666903B CN 108666903 B CN108666903 B CN 108666903B CN 201810335696 A CN201810335696 A CN 201810335696A CN 108666903 B CN108666903 B CN 108666903B
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- CN
- China
- Prior art keywords
- side wall
- wall
- cabinet body
- fixedly connected
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
Abstract
The invention discloses a kind of outdoor electric cabinets convenient for safeguarding, including cabinet body, the side wall of the cabinet body is fixedly connected with cabinet door by hinge, the side wall of the cabinet body is equipped with slot, the side wall of the cabinet door is equipped with inserted block, the side wall of the cabinet body is fixedly connected with support rod, the lower end of the support rod is equipped with fixed link, the fixed link is rotatably connected to gear far from one end of support rod, the middle part of the fixed link is equipped with hollow runner, T-shaped slider is equipped in the hollow runner, the T-shaped slider is fixedly connected on the inner wall of hollow runner by elastic device, the T-shaped slider is fixedly connected with gag lever post far from one end of elastic device, the side wall of the gear is circumferential equidistantly equipped with multiple levers along it, the side wall of the gear is equipped with holding rod, the side wall of the cabinet body is equipped with inserted link.Structure of the invention design is rationally, easy to operate, overhauls convenient for electrical cabinet, while it is good to radiate, and improves the service life of electronic component.
Description
Technical field
The present invention relates to electrical cabinet technical fields, more particularly to a kind of outdoor electric cabinet convenient for safeguarding.
Background technique
Electrical cabinet is the cabinet being process by steel material for protecting component to work normally.Electrical cabinet making material one
As be divided into hot rolled steel plate and two kinds of cold-rolled steel sheet.Cold-rolled steel sheet is soft with respect to hot rolled steel plate more material, is more suitable for the system of electrical cabinet
Make.Electrical cabinet is widely used to be mainly used for chemical industry, and environmental protection industry (epi), electric system, metallurgical system is industrial, and nuclear power industry disappears
Anti- security monitoring, transportation industry etc..
A kind of cabinet for protecting component to work normally that electrical cabinet is process using board-like steel.It is common at present
Electrical cabinet mostly by upper and lower bottom plate, left and right side plate and forward and backward plate are constituted, and wherein foreboard is the cabinet door of electrical cabinet, are passed through
Mounting bracket is fixedly installed in interior of the cabinet, to install electric appliance component, the position of the electric component installed, spacing and
Connection relationship is arranged according to national standards.When component inside electrical cabinet needs repairing, cabinet door can only be opened before just
Fang Jinhang, so being inconvenient, especially cabinet for being located on rear side of cabinet or the maintenance of the component of left and right inside
When front and back and larger side-to-side dimensions, maintenance is particularly difficult, even if at this time according to the damage frequency of component in the member often damaged
Nearby window is arranged in device, can not thoroughly solve the problems, such as that maintenance is difficult, and because to be correspondingly arranged to repair and using window, therefore
It also will increase the manufacture complexity of electrical cabinet at this time.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the open air that the one kind proposed is convenient for safeguarding
Electrical cabinet.
To achieve the goals above, present invention employs following technical solutions:
A kind of outdoor electric cabinet convenient for safeguarding, including cabinet body, the side wall of the cabinet body are fixedly connected with cabinet by hinge
Door, the side wall of the cabinet body are equipped with slot, and the side wall of the cabinet door is equipped with inserted block, and the side wall of the cabinet body is fixedly connected with support
The lower end of bar, the support rod is equipped with fixed link, and the fixed link is rotatably connected to gear far from one end of support rod, described solid
The middle part of fixed pole is equipped with hollow runner, is equipped with T-shaped slider in the hollow runner, the T-shaped slider is fixed by elastic device
It is connected on the inner wall of hollow runner, the T-shaped slider is fixedly connected with gag lever post, the gear far from one end of elastic device
Side wall along its it is circumferential be equidistantly equipped with multiple levers, the side wall of the gear is equipped with holding rod, and the side wall of the cabinet body, which is equipped with, to be inserted
Bar, the inserted link run through the side wall of cabinet body and extend in slot, and the side wall of the inserted block is equipped with corresponding with inserted link position
Limiting slot, the side wall of the inserted link are equipped with multiple straight-tooth, and the straight-tooth and gear are intermeshed, and the inner wall of the cabinet body is equipped with two
A sector disk, the first mounting plate is equipped between two sector disks, and first mounting plate passes through Damping rotation shaft rotation connection
On the side wall of sector disk, the inner wall of the cabinet body is rotatably connected to telescopic device, and the telescopic device is far from cabinet body inner wall
One end is rotatably connected on the lower end of the first mounting plate, and the opposite inner wall of the cabinet body is equipped with guide groove, sets in the guide groove
There is guide rod, run through on the guide rod and be equipped with sliding block, the sliding block is flexibly connected with guide rod, solid between two sliding blocks
Surely it is connected with the second mounting plate, the lower end of second mounting plate is equipped with radiating groove, is fixedly connected with heat dissipation in the radiating groove
Device.
Preferably, the opposite inner wall of the cabinet body is equipped with headlamp.
Preferably, the telescopic device includes the fixed link for being rotatably connected on cabinet body inner wall, is equipped with dress in the fixed link
Set chamber, described device is intracavitary to be equipped with worm screw, and one end of the worm screw is rotatably connected on the inner wall of device chamber, the worm screw it is another
One end runs through the inner wall of device chamber and is fixedly connected with runner, and the inner wall of described device chamber is rotatably connected to worm gear, the fixation
The side wall of bar is equipped with cylindrical cavity, and the cylindrical cavity is connected to device chamber, and the side wall of the worm gear is equipped with cylinder, and the cylinder is located at cylindrical cavity
It is interior, be equipped with threaded rod in the cylinder, the inner wall of the cylinder is equipped with the internal screw thread to match with threaded rod, the cylindrical cavity it is interior
Wall is equipped with limiting slot, and the side wall of the threaded rod is equipped with the locating part matched with limiting slot, and the threaded rod is far from cylinder
One end is rotatably connected on the lower end of the first mounting plate.
Preferably, the radiator includes the radiator-grid being fixedly connected in radiating groove, and the lower end of the radiator-grid is solid
Surely it is connected with the first heat sink and the second heat sink, the length of first heat sink is greater than the length of the second heat sink.
Preferably, the elastic device is spring, and one end of the elastic device is fixedly connected on the inner wall of hollow runner
On, the elastic device is fixedly connected on the side wall of T-shaped slider far from one end of hollow runner.
Preferably, the front of the cabinet door is equipped with handle, and the side wall of the handle is equipped with rubber sleeve.
In the present invention, when maintenance, operator pulls T-shaped slider, so that gag lever post is detached from lever, then pulls holding rod, in turn
Rotate gear, gear rotation drives inserted link mobile, and after inserted link is detached from slot, pull handle opens cabinet door, to bottom of cabinet bulk
The inspection operator of device can pull the second mounting plate, and the second mounting plate is extracted out out of cabinet body, then to the second mounting plate
The electronic component of upper end is checked that rotating wheel, runner rotation drives worm screw rotation, and worm screw rotation drives worm gear rotation,
Worm gear rotation makes rotary drum, and it is mobile that rotary drum makes threaded rod, and then deflects the first mounting plate, and the first mounting plate is deflected
To angle appropriate, then operator overhauls the electronic component on the first mounting plate, and radiator is convenient for electronics member
The heat dissipation of device, improves the service life of electronic component, and headlamp facilitates operator to overhaul the intracorporal equipment of cabinet.This hair
It is bright reasonable in design, it is easy to operate, it is overhauled convenient for electrical cabinet, while it is good to radiate, and improves the service life of electronic component.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one kind proposed by the present invention outdoor electric cabinet convenient for safeguarding；
Fig. 2 is the schematic diagram of internal structure of one kind proposed by the present invention outdoor electric cabinet convenient for safeguarding；
Fig. 3 is structure enlargement diagram at the A of one kind proposed by the present invention outdoor electric cabinet convenient for safeguarding；
Fig. 4 is structure enlargement diagram at the B of one kind proposed by the present invention outdoor electric cabinet convenient for safeguarding.
In figure: 1 cabinet body, 2 cabinet doors, 3 hinges, 4 handles, 5 sector disks, 6 headlamps, 7 sliding blocks, 8 first heat sinks, 9 second
Heat sink, 10 radiator-grids, 11 second mounting plates, 12 guide rods, 13 Damping rotation shafts, 14 inserted blocks, 15 inserted links, 16 levers, 17 holding rods,
18 gears, 19 gag lever posts, 20 elastic devices, 21 support rods, 22T shape sliding block, 23 fixed links, 24 runners, 25 worm gears, 26 worm screws,
27 cylinders, 28 threaded rods, 29 locating parts.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, the side wall of a kind of outdoor electric cabinet convenient for safeguarding, including cabinet body 1, cabinet body 1 is fixed by hinge 3
It is connected with cabinet door 2, the side wall of cabinet body 1 is equipped with slot, and the side wall of cabinet door 2 is equipped with inserted block 14, and the side wall of cabinet body 1 is fixedly connected with branch
The lower end of strut 21, support rod 21 is equipped with fixed link, and fixed link is rotatably connected to gear 18 far from one end of support rod 21, overhauls
When, operator pulls T-shaped slider 22, and so that gag lever post 19 is detached from lever 16, then pull holding rod 17, and then rotates gear 18,
The middle part of fixed link is equipped with hollow runner, and T-shaped slider 22 is equipped in hollow runner, and T-shaped slider 22 is fixed by elastic device 20
It is connected on the inner wall of hollow runner, T-shaped slider 22 is fixedly connected with gag lever post 19, gear 18 far from one end of elastic device 20
Side wall along its it is circumferential be equidistantly equipped with multiple levers 16, the side wall of gear 18 is equipped with holding rod 17, and the side wall of cabinet body 1 is equipped with inserted link
15, the rotation of gear 18 drives inserted link 15 mobile, and after inserted link 15 is detached from slot, inserted link 15 runs through the side wall of cabinet body 1 and extends to slotting
In slot, the side wall of inserted block 14 is equipped with limiting slot corresponding with 15 position of inserted link, and the side wall of inserted link 15 is equipped with multiple straight-tooth, straight-tooth
It being intermeshed with gear 18, the inner wall of cabinet body 1 is set there are two sector disk 5, the first mounting plate is equipped between two sector disks 5, the
One mounting plate is rotatably connected on the side wall of sector disk 5 by Damping rotation shaft 13, and the inner wall of cabinet body 1 is rotatably connected to flexible dress
It sets, telescopic device includes the fixed link 23 for being rotatably connected on 1 inner wall of cabinet body, is equipped with device chamber in fixed link 23, device is intracavitary to be set
There is worm screw 26, one end of worm screw 26 is rotatably connected on the inner wall of device chamber, and the other end of worm screw 26 runs through the inner wall of device chamber
And it is fixedly connected with runner 24, the inner wall of device chamber is rotatably connected to worm gear 25, rotating wheel 24, and the rotation of runner 24 drives worm screw
26 rotations, the rotation of worm screw 26 drive worm gear 25 to rotate, and the side wall of fixed link 23 is equipped with cylindrical cavity, and cylindrical cavity is connected to device chamber, worm gear
25 side wall is equipped with cylinder 27, and cylinder 27 is located in cylindrical cavity, threaded rod 28 is equipped in cylinder 27, the inner wall of cylinder 27 is equipped with and spiral shell
The internal screw thread that rasp bar 28 matches, the inner wall of cylindrical cavity be equipped with limiting slot, and the side wall of threaded rod 28 is equipped with to be matched with limiting slot
Locating part 29, threaded rod 28 are rotatably connected on the lower end of the first mounting plate far from one end of cylinder 27, and the rotation of worm gear 25 makes cylinder
27 rotations, it is mobile that the rotation of cylinder 27 makes threaded rod 28, and then deflects the first mounting plate, the first mounting plate is deflected into appropriate
Angle, then operator overhauls the electronic component on the first mounting plate, the one end of telescopic device far from 1 inner wall of cabinet body
It is rotatably connected on the lower end of the first mounting plate, the opposite inner wall of cabinet body 1 is equipped with guide groove, is equipped with guide rod 12 in guide groove,
Through sliding block 7 is equipped on guide rod 12, sliding block 7 is flexibly connected with guide rod 12, is fixedly connected with the second peace between two sliding blocks 7
Loading board 11, pull handle 4 open cabinet door 2, can pull the second mounting plate 11 to the inspection operator of 1 bottom device of cabinet body,
Second mounting plate 11 is extracted out out of cabinet body 1, then the electronic component of 11 upper end of the second mounting plate is checked, the second peace
The lower end of loading board 11 is equipped with radiating groove, is fixedly connected with radiator in radiating groove.
In the present invention, the opposite inner wall of cabinet body 1 is equipped with headlamp 6, and radiator is convenient for the heat dissipation of electronic component, is mentioned
The high service life of electronic component, headlamp 6 facilitate operator to overhaul the equipment in cabinet body 1, and telescopic device includes turning
The dynamic fixed link 23 for being connected to 1 inner wall of cabinet body, fixed link 23 is interior to be equipped with device chamber, and device is intracavitary to be equipped with worm screw 26, worm screw 26
One end is rotatably connected on the inner wall of device chamber, and the other end of worm screw 26 runs through the inner wall of device chamber and is fixedly connected with runner
24, the inner wall of device chamber is rotatably connected to worm gear 25, and the side wall of fixed link 23 is equipped with cylindrical cavity, and cylindrical cavity is connected to device chamber, worm gear
25 side wall is equipped with cylinder 27, and cylinder 27 is located in cylindrical cavity, threaded rod 28 is equipped in cylinder 27, the inner wall of cylinder 27 is equipped with and spiral shell
The internal screw thread that rasp bar 28 matches, the inner wall of cylindrical cavity be equipped with limiting slot, and the side wall of threaded rod 28 is equipped with to be matched with limiting slot
Locating part 29, threaded rod 28 are rotatably connected on the lower end of the first mounting plate far from one end of cylinder 27, and radiator includes fixing
The radiator-grid 10 being connected in radiating groove, the lower end of radiator-grid 10 are fixedly connected with the first heat sink 8 and the second heat sink 9, the
The length of one heat sink 8 is greater than the length of the second heat sink 9, and elastic device 20 is spring, and one end of elastic device 20 is fixed to be connected
It connecing on the inner wall of hollow runner, elastic device 20 is fixedly connected on the side wall of T-shaped slider 22 far from one end of hollow runner,
The front of cabinet door 2 is equipped with handle 4, and the side wall of handle 4 is equipped with rubber sleeve.
In the present invention, when maintenance, operator pulls T-shaped slider 22, so that gag lever post 19 is detached from lever 16, then pulls holding rod
17, and then gear 18 is rotated, the rotation of gear 18 drives inserted link 15 mobile, after inserted link 15 is detached from slot, pull handle 4, by cabinet
Door 2 is opened, and can pull the second mounting plate 11 to the inspection operator of 1 bottom device of cabinet body, by the second mounting plate 11 from cabinet body 1
Then interior extraction checks the electronic component of 11 upper end of the second mounting plate, rotating wheel 24 that the rotation of runner 24 drives snail
Bar 26 rotates, and the rotation of worm screw 26 drives worm gear 25 to rotate, and the rotation of worm gear 25 rotates cylinder 27, and the rotation of cylinder 27 makes threaded rod 28
It is mobile, and then the first mounting plate is deflected, the first mounting plate is deflected into angle appropriate, then operator is to the first mounting plate
On electronic component overhauled, radiator be convenient for electronic component heat dissipation, improve the service life of electronic component, shine
Bright lamp 6 facilitates operator to overhaul the equipment in cabinet body 1.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of outdoor electric cabinet convenient for safeguarding, including cabinet body (1), which is characterized in that the side wall of the cabinet body (1) passes through hinge
Chain (3) is fixedly connected with cabinet door (2), and the side wall of the cabinet body (1) is equipped with slot, and the side wall of the cabinet door (2) is equipped with inserted block
(14), the side wall of the cabinet body (1) is fixedly connected with support rod (21), and the lower end of the support rod (21) is equipped with fixed link, institute
Fixed link to be stated to be rotatably connected to gear (18) far from one end of support rod (21), the middle part of the fixed link is equipped with hollow runner,
T-shaped slider (22) are equipped in the hollow runner, the T-shaped slider (22) is fixedly connected on hollow cunning by elastic device (20)
On the inner wall of slot, the T-shaped slider (22) is fixedly connected with gag lever post (19), the gear far from the one end of elastic device (20)
(18) side wall is circumferential equidistantly equipped with multiple levers (16) along it, and the side wall of the gear (18) is equipped with holding rod (17), described
The side wall of cabinet body (1) is equipped with inserted link (15), and the inserted link (15) is run through the side wall of cabinet body (1) and extended in slot, described to insert
The side wall of block (14) is equipped with limiting slot corresponding with inserted link (15) position, and the side wall of the inserted link (15) is equipped with multiple straight-tooth,
The straight-tooth and gear (18) are intermeshed, and the inner wall of the cabinet body (1) sets that there are two sector disk (5), two sector disks
(5) the first mounting plate is equipped between, first mounting plate is rotatably connected on the side wall of sector disk (5) by Damping rotation shaft (13)
On, the inner wall of the cabinet body (1) is rotatably connected to telescopic device, and the telescopic device is rotated far from one end of cabinet body (1) inner wall
It is connected to the lower end of the first mounting plate, the opposite inner wall of the cabinet body (1) is equipped with guide groove, is equipped with guiding in the guide groove
Bar (12), through sliding block (7) are equipped on the guide rod (12), the sliding block (7) is flexibly connected with guide rod (12), two institutes
It states and is fixedly connected between sliding block (7) the second mounting plate (11), the lower end of second mounting plate (11) is equipped with radiating groove, described
Radiator is fixedly connected in radiating groove.
2. one kind according to claim 1 outdoor electric cabinet convenient for safeguarding, which is characterized in that the cabinet body (1) is opposite
Inner wall be equipped with headlamp (6).
3. one kind according to claim 1 outdoor electric cabinet convenient for safeguarding, which is characterized in that the telescopic device includes
It is rotatably connected on the fixed link (23) of cabinet body (1) inner wall, is equipped with device chamber in the fixed link (23), described device is intracavitary to be equipped with
One end of worm screw (26), the worm screw (26) is rotatably connected on the inner wall of device chamber, and the other end of the worm screw (26) runs through
The inner wall of device chamber is simultaneously fixedly connected with runner (24), and the inner wall of described device chamber is rotatably connected to worm gear (25), the fixation
The side wall of bar (23) is equipped with cylindrical cavity, and the cylindrical cavity is connected to device chamber, and the side wall of the worm gear (25) is equipped with cylinder (27), described
Cylinder (27) is located in cylindrical cavity, is equipped with threaded rod (28) in the cylinder (27), the inner wall of the cylinder (27) is equipped with and screw thread
The internal screw thread that bar (28) matches, the inner wall of the cylindrical cavity are equipped with limiting slot, and the side wall of the threaded rod (28) is equipped with and limit
The locating part (29) that slot matches, the threaded rod (28) are rotatably connected under the first mounting plate far from the one end of cylinder (27)
End.
4. one kind according to claim 1 outdoor electric cabinet convenient for safeguarding, which is characterized in that the radiator includes
The radiator-grid (10) being fixedly connected in radiating groove, the lower end of the radiator-grid (10) be fixedly connected with the first heat sink (8) and
Second heat sink (9), the length of first heat sink (8) are greater than the length of the second heat sink (9).
5. one kind according to claim 1 outdoor electric cabinet convenient for safeguarding, which is characterized in that the elastic device (20)
One end for spring, the elastic device (20) is fixedly connected on the inner wall of hollow runner, and the elastic device (20) is separate
One end of hollow runner is fixedly connected on the side wall of T-shaped slider (22).
6. one kind according to claim 1 outdoor electric cabinet convenient for safeguarding, which is characterized in that the cabinet door (2) is just
Face is equipped with handle (4), and the side wall of the handle (4) is equipped with rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335696.1A CN108666903B (en) | 2018-04-16 | 2018-04-16 | A kind of outdoor electric cabinet convenient for safeguarding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335696.1A CN108666903B (en) | 2018-04-16 | 2018-04-16 | A kind of outdoor electric cabinet convenient for safeguarding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108666903A CN108666903A (en) | 2018-10-16 |
| CN108666903B true CN108666903B (en) | 2019-08-23 |
Family
ID=63783507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810335696.1A Active CN108666903B (en) | 2018-04-16 | 2018-04-16 | A kind of outdoor electric cabinet convenient for safeguarding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108666903B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112489945B (en) * | 2020-11-30 | 2021-12-28 | 闽江学院 | High-voltage circuit breaker motor operation heat dissipation mechanism based on solid-state transformer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE434900B (en) * | 1982-12-22 | 1984-08-20 | Asea Ab | Door with locking device for switch gear cubicle |
| CN201875397U (en) * | 2010-12-08 | 2011-06-22 | 国电南瑞科技股份有限公司 | Supporting plate mechanism capable of opening or closing by rotation |
| CN205543774U (en) * | 2016-03-17 | 2016-08-31 | 广西柳电电气股份有限公司 | Electric power cabinet with regulatory function |
| CN206650313U (en) * | 2017-04-20 | 2017-11-17 | 扬州森源电气有限公司 | Power distribution cabinet |
-
2018
- 2018-04-16 CN CN201810335696.1A patent/CN108666903B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108666903A (en) | 2018-10-16 |
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