CN209250064U - A kind of environmental protection gas-insulated ring network cabinet - Google Patents
A kind of environmental protection gas-insulated ring network cabinet Download PDFInfo
- Publication number
- CN209250064U CN209250064U CN201920069631.7U CN201920069631U CN209250064U CN 209250064 U CN209250064 U CN 209250064U CN 201920069631 U CN201920069631 U CN 201920069631U CN 209250064 U CN209250064 U CN 209250064U
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- China
- Prior art keywords
- jack
- adjustable
- ring network
- cabinet body
- environmental protection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of environmentally friendly gas-insulated ring network cabinet, including cabinet body, support foot, adjustable movable stand structure, is adjusted mounting rack structure, protective door, adjustable energy-saving board structure, fixed frame, rechargeable lithium battery, photovoltaic controller, handle, gasket, magnetite pieces, sheet metal and radiator fan, the support foot are glued to the lower end four corners of cabinet body；The adjustable movable stand structure is mounted on the lower part four corners of cabinet body.The U-shaped adjusting bracket casing of the utility model adjusts bolt thread and is connected to the front side for adjusting jack, is conducive to facilitate when in use according to adjusting position of the U-shaped adjusting bracket on front side of rectangle installing frame needed for using, and then adjusting is facilitated to be transversely mounted the height of plate；Gasket specifically uses the silicagel pad with a thickness of one millimeter to three millimeters, is conducive to add when protective door is closed to the sealing effect on front side of rectangle installing frame.
Description
Technical field
The utility model belongs to ring network cabinet technical field more particularly to a kind of environmentally friendly gas-insulated ring network cabinet.
Background technique
Ring network cabinet (Ring Main Unit) is one group of transmission & distribution electrical equipment (high-tension switch gear) mounted in metal or non-gold
Belong in insulation cabinet body or be made into the electrical equipment of assembled compartment ring network power supplying units, core is using on-load switch and melts
Disconnected device, has many advantages, such as that structure is simple, small in size, price is low, power supply parameter and performance can be improved and power supply safety.It is wide
The general power distribution station for being used in the load centers such as Urban Residential District, skyscraper, large public building, factory and enterprise and box
In substation.
But there is also inconvenient according to the position that mounting rack is adjusted needed for using for existing ring network cabinet, in cabinet body
The poor sealing effect of device, it has not been convenient to incline according to carrying out moving the ring network cabinet needed for using and being inconvenient to adjust solar energy photovoltaic panel
The problem of gradient.
Therefore, a kind of environmentally friendly gas-insulated ring network cabinet is invented to be very necessary.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of environmentally friendly gas-insulated ring network cabinet, existing to solve
Ring network cabinet there is inconveniences according to the position that mounting rack is adjusted needed for using, the poor sealing effect of cabinet in-body devices,
Inconvenience is according to carrying out needed for using moving the ring network cabinet and be inconvenient to the problem of adjusting solar energy photovoltaic panel gradient.A kind of ring
Guarantor's gas-insulated ring network cabinet, including cabinet body, support foot, adjustable movable stand structure, adjustable mounting rack structure, protective door,
Adjustable energy-saving board structure, fixed frame, rechargeable lithium battery, photovoltaic controller, handle, gasket, magnetite pieces and dissipate sheet metal
Hot-air fan, the support foot are glued to the lower end four corners of cabinet body；The adjustable movable stand structure is mounted on cabinet body
Lower part four corners；The adjustable mounting rack structure is mounted on the inside middle position of cabinet body；The adjustable energy conservation
Hardened structure is mounted on the top of cabinet body；The fixed frame screw is mounted on the inside upper part of cabinet body；The chargeable lithium electricity
Pond and photovoltaic controller are glued to the inside of fixed frame respectively；The handle is glued to the middle position of protective door front surface；
The gasket is glued to the outside of protective door；The magnetite pieces are embedded in the inside upper and lower ends of protective door；Described
Adjustable mounting rack structure includes rectangle installing frame, and U-shaped adjusting bracket is transversely mounted plate, adjusts bolt and adjusts jack, described
Rectangle installing frame screw is mounted on the middle position of cabinet body；The U-shaped adjusting bracket is mounted on rectangle installation by adjusting bolt
In adjusting jack on frame；The left and right sides for being transversely mounted plate and being welded on U-shaped adjusting bracket；The adjusting jack is by upper
The middle position of rectangle installing frame is successively provided under；The protection door-hinge connects in front of rectangle installing frame or so two
Side；The sheet metal is embedded in the upper and lower ends in rectangle installing frame middle position；The radiator fan screw is mounted on square
The inner wall middle and upper part of shape installing frame.
Preferably, the adjustable movable stand structure includes longitudinal interpolation frame, longitudinal inserted link, upside jack, downside jack,
Return pulley, fixed jack and Fixed latches, longitudinal interpolation frame are embedded in the lower part four corners of cabinet body；Longitudinal inserted link is inserted
Connect the lower inside in longitudinal interpolation frame；The upside jack is provided with the top of longitudinal inserted link；The downside jack opens up
In the lower part of longitudinal inserted link；The fixed jack is provided with the middle and lower part of longitudinal interpolation frame；The Fixed latches are plugged on solid
Determine the inside of jack and downside jack.
Preferably, the adjustable energy-saving board structure includes solar energy photovoltaic panel, and downside pedestal, left-side connecting bar can
Strut is adjusted, adjustable casing, puller bolt and bottom pedestal, the downside pedestal screw are mounted on solar energy photovoltaic panel
At left and right sides of lower part；The left-side connecting bar screw is mounted on the upper left-hand of cabinet body；The adjustable strut axis connects
The lower part of the downside pedestal of solar energy photovoltaic panel lower right side；The adjustable casing is socketed under the outside of adjustable strut
Portion；The bottom pedestal screw is mounted on the upper right of cabinet body.
Preferably, the adjusting jack is provided with multiple, and the U-shaped adjusting bracket casing adjusts bolt thread and is connected to
Adjust the front side of jack.
Preferably, the gasket specifically uses the silicagel pad with a thickness of one millimeter to three millimeters.
Preferably, the return pulley screw is mounted on the lower part of longitudinal inserted link.
Preferably, the puller bolt is threaded in the junction of adjustable strut and adjustable casing.
Preferably, described be transversely mounted on plate is provided with threaded hole, the threaded hole setting being transversely mounted on plate
Have multiple.
Preferably, the right end of the Fixed latches is provided with rubber cushion blocks.
Preferably, described be transversely mounted on plate is provided with threaded hole, the threaded hole setting being transversely mounted on plate
Have multiple.
Preferably, the support foot specifically uses rubber feet.
Preferably, the radiator fan specifically uses the fan of model N3, and the photovoltaic controller specifically uses
The photovoltaic controller of model SY-M300, the solar energy photovoltaic panel and photovoltaic controller are electrically connected, the photovoltaic control
Device processed and radiator fan are electrically connected.
Compared with prior art, the utility model has the following beneficial effects:
1. in the utility model, the adjusting jack is provided with multiple, described U-shaped adjusting bracket casings and adjusts bolt spiral shell
Line is connected to the front side for adjusting jack, is conducive to facilitate when in use and be installed according to the U-shaped adjusting bracket of adjusting needed for using in rectangle
Position on front side of frame, and then adjusting is facilitated to be transversely mounted the height of plate.
2. in the utility model, the gasket specifically uses the silicagel pad with a thickness of one millimeter to three millimeters, favorably
In when protective door is closed can plus to the sealing effect on front side of rectangle installing frame.
3. in the utility model, the return pulley screw is mounted on the lower part of longitudinal inserted link, be conducive to push when in use
The ring network cabinet is moved to facilitate.
4. in the utility model, the puller bolt is threaded in the connection of adjustable strut and adjustable casing
Place, is conducive to facilitate when in use and plays the role of holding out against to adjustable strut, and facilitates adjusting adjustable when unscrewing puller bolt
Section strut is plugged on the length in adjustable casing, to facilitate the tilt angle for adjusting solar energy photovoltaic panel.
5. in the utility model, described being transversely mounted on plate is provided with threaded hole, the spiral shell being transversely mounted on plate
Pit is provided with multiple, is conducive to facilitate when in use and install to device needed for ring network cabinet installation.
6. in the utility model, the right end of the Fixed latches is provided with rubber cushion blocks, be conducive to facilitate when in use
User is cut away Fixed latches out.
7. in the utility model, described being transversely mounted on plate is provided with threaded hole, the spiral shell being transversely mounted on plate
Pit is provided with multiple, is conducive to facilitate when in use and install to device needed for ring network cabinet installation.
8. in the utility model, the support foot specifically uses rubber feet, be conducive to increase when in use
Antiskid effect when being contacted with ground.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the adjustable movable stand structure of the utility model.
Fig. 3 is the structural schematic diagram of the adjustable mounting rack structure of the utility model.
Fig. 4 is the structural schematic diagram of the adjustable energy-saving board structure of the utility model.
In figure:
1, cabinet body；2, support foot；3, movable stand structure is adjusted；31, longitudinal interpolation frame；32, longitudinal inserted link；33, upside
Jack；34, downside jack；35, return pulley；36, fixed jack；37, Fixed latches；4, mounting rack structure is adjusted；41, rectangle is pacified
It frames up；42, U-shaped adjusting bracket；43, it is transversely mounted plate；44, bolt is adjusted；45, jack is adjusted；5, protective door；6, energy conservation is adjusted
Hardened structure；61, solar energy photovoltaic panel；62, downside pedestal；63, left-side connecting bar；64, strut is adjusted；65, adjustable casing；
66, puller bolt；67, bottom pedestal；7, fixed frame；8, rechargeable lithium battery；9, photovoltaic controller；10, handle；11, it seals
Pad；12, magnetite pieces；13, sheet metal；14, radiator fan.
Specific embodiment
The utility model is described further below in conjunction with attached drawing:
Embodiment:
As shown in attached drawing 1 and attached drawing 3
The utility model provides a kind of environmentally friendly gas-insulated ring network cabinet, including movable stand is adjusted in cabinet body 1, support foot 2
Structure 3, is adjusted mounting rack structure 4, and energy-saving board structure 6, fixed frame 7, rechargeable lithium battery 8, photovoltaic is adjusted in protective door 5
Controller 9, handle 10, gasket 11, magnetite pieces 12, sheet metal 13 and radiator fan 14, the support foot 2 are glued to cabinet
The lower end four corners of body 1；The adjustable movable stand structure 3 is mounted on the lower part four corners of cabinet body 1；The adjustable peace
Mount structure 4 is mounted on the inside middle position of cabinet body 1；The adjustable energy-saving board structure 6 is mounted on the top of cabinet body 1；
7 screw of fixed frame is mounted on the inside upper part of cabinet body 1；The rechargeable lithium battery 8 and photovoltaic controller 9 distinguish glue
It connects in the inside of fixed frame 7；The handle 10 is glued to the middle position of 5 front surface of protective door；11 glue of gasket
It connects in the outside of protective door 5；The magnetite pieces 12 are embedded in the inside upper and lower ends of protective door 5；The gasket 11 has
The silicagel pad that body uses with a thickness of one millimeter to three millimeters can add when protective door 5 is closed to 41 front side of rectangle installing frame
Sealing effect, the support foot 2 specifically uses rubber feet, in can increase when being contacted with ground anti-when in use
Sliding effect；The adjustable mounting rack structure 4 includes rectangle installing frame 41, and U-shaped adjusting bracket 42 is transversely mounted plate 43, is adjusted
Bolt 44 and adjusting jack 45,41 screw of rectangle installing frame are mounted on the middle position of cabinet body 1；The U-shaped adjusting
Frame 42 is mounted in the adjusting jack 45 on rectangle installing frame 41 by adjusting bolt 44；The plate 43 that is transversely mounted is welded on
The left and right sides of U-shaped adjusting bracket 42；The adjusting jack 45 is from top to bottom successively provided with the interposition of rectangle installing frame 41
It sets；5 axis of protective door connects at left and right sides of the front of rectangle installing frame 41；The sheet metal 13 is embedded in rectangle installation
The upper and lower ends in 41 middle position of frame；14 screw of radiator fan is mounted on the inner wall middle and upper part of rectangle installing frame 41；Institute
The adjusting jack 45 stated is provided with multiple, described 42 casing of U-shaped adjusting bracket adjusting bolts 44 and is threaded in adjusting jack 45
Front side, facilitate when in use according to adjusting U-shaped adjusting bracket 42 needed for using in the position of 41 front side of rectangle installing frame, Jin Erfang
Just the height for being transversely mounted plate 43 is adjusted, described being transversely mounted on plate 43 is provided with threaded hole, and described is transversely mounted plate 43
On threaded hole be provided with multiple, facilitate when in use and device needed for ring network cabinet installation installed, the described lateral peace
It is provided with threaded hole in loading board 43, the threaded hole being transversely mounted on plate 43 is provided with multiple, facilitates when in use to ring
Device needed for the installation of net cabinet is installed.
As shown in Figure 1 and Figure 2, in above-described embodiment, specifically, the adjustable movable stand structure 3 includes vertical
To interpolation frame 31, longitudinal inserted link 32, upside jack 33, downside jack 34, return pulley 35, fixed jack 36 and Fixed latches 37 are described
Longitudinal interpolation frame 31 be embedded in the lower part four corners of cabinet body 1；Longitudinal inserted link 32 is plugged under the inside of longitudinal interpolation frame 31
Portion；The upside jack 33 is provided with the top of longitudinal inserted link 32；The downside jack 34 is provided with longitudinal inserted link 32
Lower part；The fixed jack 36 is provided with the middle and lower part of longitudinal interpolation frame 31；The Fixed latches 37 are plugged on fixed jack
36 and downside jack 34 inside；35 screw of return pulley is mounted on the lower part of longitudinal inserted link 32, pushes the ring when in use
Net cabinet is moved to facilitating, and the right end of the Fixed latches 37 is provided with rubber cushion blocks, when in use convenient for users to
It is cut away Fixed latches 37 out.
As shown in attached drawing 1 and attached drawing 4, in above-described embodiment, specifically, the adjustable energy-saving board structure 6 includes too
Strut 64, adjustable casing 65, puller bolt 66 and bottom is adjusted in positive energy photovoltaic panel 61, downside pedestal 62, left-side connecting bar 63
Portion's pedestal 67,62 screw of downside pedestal are mounted at left and right sides of the lower part of solar energy photovoltaic panel 61；The left side connects
63 screw of extension bar is mounted on the upper left-hand of cabinet body 1；64 axis of adjustable strut connects under 61 right side of solar energy photovoltaic panel
The lower part of the downside pedestal 62 in portion；The adjustable casing 65 is socketed in the outer lower portion of adjustable strut 64；The bottom
Pedestal 67 screw in portion's is mounted on the upper right of cabinet body 1；The puller bolt 66 is threaded in adjustable strut 64 and can
The junction of adjusting sleeve pipe 65 facilitates play the role of holding out against to adjustable strut 64 when in use, and unscrewing puller bolt 66
When facilitate and adjust the length that adjustable strut 64 is plugged in adjustable casing 65, adjust solar energy photovoltaic panel 61 to facilitate
Tilt angle.
Working principle
The utility model during the work time, according to pulling downward on longitudinal inserted link 32 needed for using when use, and using solid
Determine the inside that bolt 37 is plugged on upside jack 33 and fixed jack 36, to make return pulley 35 be moved to designated position, then will
Fixed latches 37 are plugged in downside jack 34 and fixed jack 36, while absorbing solar energy using solar energy photovoltaic panel 61, and
Electric energy is converted light energy into using photovoltaic controller 9, and is stored into rechargeable lithium battery 8, while utilizing rechargeable lithium battery 8
It powers to radiator fan 14, according to position of the U-shaped adjusting bracket 42 of adjusting on rectangle installing frame 41 needed for using, and is adjusting
It is threaded in and is adjusted in jack 45 through U-shaped adjusting bracket 42 using adjusting bolt 44 after finishing.
Using technical solution described in the utility model or those skilled in the art in technical solutions of the utility model
Under inspiration, similar technical solution is designed, and reaches above-mentioned technical effect, is the protection model for falling into the utility model
It encloses.
Claims (10)
1. a kind of environmental protection gas-insulated ring network cabinet, which is characterized in that the environmental protection gas-insulated ring network cabinet, including cabinet body (1), it is anti-skidding
Stabilizer blade (2) is adjusted movable stand structure (3), is adjusted mounting rack structure (4), protective door (5), and energy-saving board structure is adjusted
(6), fixed frame (7), rechargeable lithium battery (8), photovoltaic controller (9), handle (10), gasket (11), magnetite pieces (12), gold
Belong to piece (13) and radiator fan (14), the support foot (2) are glued to the lower end four corners of cabinet body (1)；Described is adjustable
Section movable stand structure (3) is mounted on the lower part four corners of cabinet body (1)；The adjustable mounting rack structure (4) is mounted on cabinet body
(1) inside middle position；The adjustable energy-saving board structure (6) is mounted on the top of cabinet body (1)；The fixed frame
(7) screw is mounted on the inside upper part of cabinet body (1)；The rechargeable lithium battery (8) and photovoltaic controller (9) is glued to respectively
The inside of fixed frame (7)；The handle (10) is glued to the middle position of protective door (5) front surface；The gasket
(11) it is glued to the outside of protective door (5)；The magnetite pieces (12) are embedded in the inside upper and lower ends of protective door (5)；It is described
Adjustable mounting rack structure (4) include rectangle installing frame (41), U-shaped adjusting bracket (42) is transversely mounted plate (43), adjust bolt
(44) and jack (45) are adjusted, described rectangle installing frame (41) screw is mounted on the middle position of cabinet body (1)；Described is U-shaped
Adjusting bracket (42) is mounted on the adjusting jack (45) on rectangle installing frame (41) Nei by adjusting bolt (44)；The lateral peace
Loading board (43) is welded on the left and right sides of U-shaped adjusting bracket (42)；The adjusting jack (45) is from top to bottom successively provided with square
The middle position of shape installing frame (41)；Described protective door (5) axis connects at left and right sides of the front of rectangle installing frame (41)；It is described
Sheet metal (13) be embedded in the upper and lower ends in rectangle installing frame (41) middle position；Radiator fan (14) the screw installation
In the inner wall middle and upper part of rectangle installing frame (41).
2. environmental protection gas-insulated ring network cabinet as described in claim 1, which is characterized in that the adjustable movable stand structure
It (3) include longitudinal interpolation frame (31), longitudinal inserted link (32), upside jack (33), downside jack (34), return pulley (35), fixed jack
(36) and Fixed latches (37), longitudinal interpolation frame (31) are embedded in the lower part four corners of cabinet body (1)；Longitudinal inserted link
(32) it is plugged on the lower inside of longitudinal interpolation frame (31)；The upside jack (33) is provided with the top of longitudinal inserted link (32)；
The downside jack (34) is provided with the lower part of longitudinal inserted link (32)；The fixed jack (36) is provided with longitudinal interpolation frame
(31) middle and lower part；The Fixed latches (37) are plugged on the inside of fixed jack (36) and downside jack (34).
3. environmental protection gas-insulated ring network cabinet as described in claim 1, which is characterized in that the adjustable energy-saving board structure
It (6) include solar energy photovoltaic panel (61), downside pedestal (62), left-side connecting bar (63), adjustable strut (64), adjustable casing
(65), puller bolt (66) and bottom pedestal (67), described downside pedestal (62) screw are mounted on solar energy photovoltaic panel (61)
Lower part at left and right sides of；Described left-side connecting bar (63) screw is mounted on the upper left-hand of cabinet body (1)；The adjustable branch
Bar (64) axis connects in the lower part of the downside pedestal (62) of solar energy photovoltaic panel (61) lower right side；The adjustable casing (65)
It is socketed in the outer lower portion of adjustable strut (64)；Described bottom pedestal (67) screw is mounted on the upper right of cabinet body (1).
4. environmental protection gas-insulated ring network cabinet as described in claim 1, which is characterized in that the adjusting jack (45) is provided with
Multiple, U-shaped adjusting bracket (42) casing adjusts bolt (44) and is threaded in the front side for adjusting jack (45).
5. environmental protection gas-insulated ring network cabinet as described in claim 1, which is characterized in that the gasket (11) specifically uses
With a thickness of one millimeter to three millimeters of silicagel pad.
6. environmental protection gas-insulated ring network cabinet as claimed in claim 2, which is characterized in that described return pulley (35) screw is mounted on
The lower part of longitudinal inserted link (32).
7. environmental protection gas-insulated ring network cabinet as claimed in claim 3, which is characterized in that puller bolt (66) screw thread connects
Connect the junction in adjustable strut (64) and adjustable casing (65).
8. environmental protection gas-insulated ring network cabinet as described in claim 1, which is characterized in that described being transversely mounted on plate (43) is set
It is equipped with threaded hole, the threaded hole being transversely mounted on plate (43) is provided with multiple.
9. environmental protection gas-insulated ring network cabinet as claimed in claim 2, which is characterized in that the right end of the Fixed latches (37)
It is provided with rubber cushion blocks.
10. environmental protection gas-insulated ring network cabinet as described in claim 1, which is characterized in that described is transversely mounted on plate (43)
It is provided with threaded hole, the threaded hole being transversely mounted on plate (43) is provided with multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069631.7U CN209250064U (en) | 2019-01-16 | 2019-01-16 | A kind of environmental protection gas-insulated ring network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069631.7U CN209250064U (en) | 2019-01-16 | 2019-01-16 | A kind of environmental protection gas-insulated ring network cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209250064U true CN209250064U (en) | 2019-08-13 |
Family
ID=67536328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920069631.7U Active CN209250064U (en) | 2019-01-16 | 2019-01-16 | A kind of environmental protection gas-insulated ring network cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209250064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061441A (en) * | 2019-06-06 | 2019-07-26 | 天津沃尔法电力设备有限公司 | Environmentally friendly gas-insulated ring network cabinet |
-
2019
- 2019-01-16 CN CN201920069631.7U patent/CN209250064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110061441A (en) * | 2019-06-06 | 2019-07-26 | 天津沃尔法电力设备有限公司 | Environmentally friendly gas-insulated ring network cabinet |
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