CN212462490U - Distribution box for GIS substation equipment - Google Patents
Distribution box for GIS substation equipment Download PDFInfo
- Publication number
- CN212462490U CN212462490U CN202021499713.4U CN202021499713U CN212462490U CN 212462490 U CN212462490 U CN 212462490U CN 202021499713 U CN202021499713 U CN 202021499713U CN 212462490 U CN212462490 U CN 212462490U
- Authority
- CN
- China
- Prior art keywords
- distribution box
- wall
- groove
- shutter
- magnet
- 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.)
- Active
Links
Images
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a block terminal for GIS substation equipment, be the switch box main part that the opening set up including the right side, the right side top of switch box main part is rotated and is installed the shutter rather than opening looks adaptation, the left side of shutter and the right side movable contact of switch box main part, the top fixed mounting of switch box main part has the weather shield, and establish to the inclined plane at the top of weather shield, and bottom one side of weather shield is inlayed and is equipped with first magnet, and the right side top fixed mounting of shutter has second magnet, first magnet and second magnet looks adaptation. The utility model relates to a rationally, convenient operation is convenient for open the timely automatic lighting operation behind the shutter fast, avoids the phenomenon that personnel can not see when the maintenance at night, and the setting of first magnet and second magnet, is convenient for fix it after opening the shutter fast, reduces the phenomenon that the shutter rotation influences the maintenance appear in the in-process of maintenance, and is convenient for stop the illumination automatically after closing the shutter, satisfies the user demand.
Description
Technical Field
The utility model relates to a block terminal technical field especially relates to a GIS is block terminal for substation equipment.
Background
In a GIS substation device, namely a gas insulated substation, in the gas insulated substation, most electrical devices are directly or indirectly sealed in a pipeline tree consisting of metal pipelines and sleeves, no switch, line and connecting terminal can be seen from the outside, SF6 gas is used as an insulating medium in the pipeline tree, all high-voltage electrical components are sealed in a grounding metal cylinder, and in the GIS substation device, a distribution box is required to be externally connected for connecting the line;
it has the shortcoming of automatic illumination after opening the block terminal that it exists not convenient for to have for current GIS for substation equipment, because the electric energy of its consumption of GIS for substation equipment is more, consequently the phenomenon of block terminal internal line spare part damage often appears, need often inspect the maintenance to the inside circuit part of block terminal, it is when the maintenance at night, the great majority is the handheld light of one hand of personnel, the circuit is examined to the other hand, the operation is inconvenient, and there is the shortcoming of being not convenient for open the switch board fast, work efficiency is low, can not satisfy the user demand, therefore we have provided a block terminal for GIS for substation equipment and have been used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the block terminal for GIS substation equipment that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a distribution box for GIS substation equipment comprises a distribution box main body with an opening on the right side, wherein a stop door matched with the opening of the distribution box main body is rotatably arranged at the top of the right side of the distribution box main body, the left side of the stop door is in movable contact with the right side of the distribution box main body, a rain baffle is fixedly arranged at the top of the distribution box main body, an inclined plane is arranged at the top of the rain baffle, a first magnet is embedded at one side of the bottom of the rain baffle, a second magnet is fixedly arranged at the top of the right side of the stop door, the first magnet is matched with the second magnet, an illuminating lamp and a storage battery positioned on the left side of the illuminating lamp are fixedly arranged on the inner wall of the top of the distribution box main body, a first groove is formed in the inner wall of the bottom of the distribution box main body, a positioning rod is fixedly arranged on the inner wall of the left side of the first groove, an L-shaped, compression spring movable sleeve establishes on the locating lever, fixed mounting has first copper sheet on the left side inner wall of L shape insulator spindle, fixed mounting has the second copper sheet on the right side inner wall of first groove, first copper sheet cooperatees with the second copper sheet, the right-hand member of L shape insulator spindle extends to outside the first groove and fixedly connected with ejector pad, the right side of ejector pad and the right side parallel and level of distribution box main part, the right side of ejector pad and the left side movable contact of shutter, first rectangular channel has been seted up to the bottom of shutter, sliding sleeve has the rectangular pole in the first rectangular channel, the bottom of rectangular pole extends to the below of shutter and fixed mounting has L shape kelly, the top of L shape kelly extends to first inslot, fixed mounting has first spring between the top of rectangular pole and the top inner wall of first rectangular channel, the right side fixed mounting of rectangular pole has T shape handle, the right side of T shape handle extends to outside the shutter.
Preferably, the illuminating lamp is electrically connected with the positive electrode of the storage battery, the illuminating lamp is electrically connected with the second copper sheet, the negative electrode of the storage battery is electrically connected with the first copper sheet through a flexible lead, and the illuminating lamp, the storage battery, the first copper sheet and the second copper sheet sequentially form a loop.
Preferably, the second groove has been seted up to the right side bottom of block terminal main part, and L shape insulator spindle and ejector pad all are located the second inslot, and the inner wall in second groove and the outside contactless of L shape insulator spindle, the top and the bottom of ejector pad respectively with the top inner wall in second groove and bottom inner wall movable contact.
Preferably, a second rectangular groove is formed in the right side of the L-shaped insulating rod, the inner wall of the second rectangular groove is connected with the outer side of the positioning rod in a sliding mode, a limiting hole is formed in the inner wall of the bottom of the second rectangular groove, a limiting block is fixedly mounted at the bottom of the positioning rod, and the limiting block is connected with the limiting hole in a sliding mode.
Preferably, a rectangular hole is formed in the inner wall of the left side of the first rectangular groove, and the inner wall of the front side and the inner wall of the rear side of the rectangular hole are respectively in sliding connection with the front side and the rear side of the T-shaped handle.
Preferably, a first insulating rod is fixedly mounted on the inner wall of the right side of the first groove, and the left end of the first insulating rod is fixedly connected with the right side of the second copper sheet.
Preferably, a clamping hole is formed in the inner wall of the bottom of the first groove, and the inner wall of the clamping hole is in movable contact with the outer side of the L-shaped clamping rod.
Preferably, the top of the distribution box main body is fixedly connected with two supporting rods, and the top ends of the supporting rods are fixedly connected with the bottom of the rain baffle.
Compared with the prior art, the beneficial effects of the utility model are that:
through the distribution box main part, the shutter, the weather shield, the second magnet, the light, the first groove, the locating lever, L shape insulator spindle, compression spring, first copper sheet, the second copper sheet, first insulator spindle, the ejector pad, L shape kelly, first rectangular channel, the rectangular rod, first spring cooperatees with T shape handle, the setting of weather shield, rain-proof and protection's function has been played, when needing to carry out inspection and maintenance to the inside circuit of distribution box main part, promote T shape handle downwards and drive the rectangular rod downstream and compress first spring, the rectangular rod drives L shape kelly downstream and shifts out from the card downthehole gradually, upwards upset T shape handle drives the shutter upwards through the rectangular rod immediately, the shutter drives the second magnet and rotates to adsorb mutually with first magnet, make the shutter fixed, remove the fixed of ejector pad gradually when the shutter upset simultaneously, this moment compression spring's elasticity drives first right removal through L shape insulator spindle to contact with the second, at this moment, the L shape insulator spindle drives the copper sheet, move to remove to the second contact with the second The utility model discloses a power distribution box, including distribution box main part, lamp, door, push block, L shape insulator spindle, lamp, maintenance completion back, downwards rotate the shutter and drive second magnet and first magnet separation, promote T shape handle downwards once more, make first spring be in tensile state, continue to rotate the shutter, the shutter extrudees the ejector pad, the extruded power drives L shape insulator spindle and removes left side and compress compression spring through the ejector pad, L shape insulator spindle drives first copper sheet and separates with the second copper sheet gradually, the light stops the illumination this moment, when the left side of shutter and the right side contact of distribution box main part, relax the thrust to T shape handle, the elasticity of first spring drives L shape kelly through the rectangular pole this moment and upwards runs through the card hole and insert to first inslot, and then make the shutter fixed.
The utility model relates to a rationally, convenient operation is convenient for open the timely automatic lighting operation behind the shutter fast, avoids the phenomenon that personnel can not see when the maintenance at night, and the setting of first magnet and second magnet, is convenient for fix it after opening the shutter fast, reduces the phenomenon that the shutter rotation influences the maintenance appear in the in-process of maintenance, and is convenient for stop the illumination automatically after closing the shutter, satisfies the user demand.
Drawings
Fig. 1 is a schematic sectional view of a distribution box for a GIS substation device according to the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is the utility model provides a GIS is after the shutter upset of block terminal for substation equipment, light circular telegram illumination state's sectional structure schematic diagram.
In the figure: 1 distribution box main part, 2 overhead doors, 3 weather shields, 4 second magnet, 5 light, 6 first grooves, 7 locating levers, 8L shape insulator spindle, 9 compression spring, 10 first copper sheets, 11 second copper sheets, 12 first insulator spindle, 13 ejector pads, 14L shape kelly, 15 first rectangular channel, 16 rectangular rod, 17 first spring, 18T shape handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a distribution box for GIS substation equipment comprises a distribution box main body 1 with an opening at the right side, a door 2 matched with the opening is rotatably installed at the top of the right side of the distribution box main body 1, the left side of the door 2 is in movable contact with the right side of the distribution box main body 1, a rain baffle 3 is fixedly installed at the top of the distribution box main body 1, the top of the rain baffle 3 is an inclined plane, a first magnet is embedded at one side of the bottom of the rain baffle 3, a second magnet 4 is fixedly installed at the top of the right side of the door 2, the first magnet is matched with the second magnet 4, an illuminating lamp 5 and a storage battery positioned at the left side of the illuminating lamp 5 are fixedly installed on the inner wall of the top of the distribution box main body 1, a first groove 6 is formed on the inner wall of the bottom of the distribution box main body 1, a positioning rod 7 is fixedly installed on the, a compression spring 9 in a compressed state is fixedly arranged between the left side of the L-shaped insulating rod 8 and the inner wall of the left side of the first groove 6, the compression spring 9 is movably sleeved on the positioning rod 7, a first copper sheet 10 is fixedly arranged on the inner wall of the left side of the L-shaped insulating rod 8, a second copper sheet 11 is fixedly arranged on the inner wall of the right side of the first groove 6, the first copper sheet 10 is matched with the second copper sheet 11, the right end of the L-shaped insulating rod 8 extends out of the first groove 6 and is fixedly connected with a push block 13, the right side of the push block 13 is flush with the right side of the distribution box main body 1, the right side of the push block 13 is movably contacted with the left side of the baffle door 2, a first rectangular groove 15 is arranged at the bottom of the baffle door 2, a rectangular rod 16 is slidably sleeved in the first rectangular groove 15, the bottom end of the rectangular rod 16 extends to the lower side of the baffle door 2 and is fixedly provided with an L-shaped clamping rod 14, the top end of the L-shaped clamping rod 14 extends into the first, rectangular pole 16's right side fixed mounting has T shape handle 18, outside T shape handle 18's right side extended to shutter 2, the utility model relates to a rationally, convenient operation, be convenient for open shutter 2 back timely automatic lighting operation fast, avoid the phenomenon that personnel can not see when the maintenance at night, and the setting of first magnet and second magnet 4, be convenient for open shutter 2 back fast and fix it, reduce the phenomenon that shutter 2 rotation influences the maintenance appearing in the in-process of maintenance, and be convenient for automatic shutdown illumination after closing shutter 2, satisfy the user demand.
In the utility model, the lighting lamp 5 is electrically connected with the positive pole of the storage battery, the lighting lamp 5 is electrically connected with the second copper sheet 11, the negative pole of the storage battery is electrically connected with the first copper sheet 10 through the flexible lead, the lighting lamp 5, the storage battery, the first copper sheet 10 and the second copper sheet 11 sequentially form a loop, the right side bottom of the distribution box main body 1 is provided with a second groove, the L-shaped insulating rod 8 and the push block 13 are both positioned in the second groove, the inner wall of the second groove is not contacted with the outer side of the L-shaped insulating rod 8, the top and the bottom of the push block 13 are respectively in movable contact with the top inner wall and the bottom inner wall of the second groove, the right side of the L-shaped insulating rod 8 is provided with a second rectangular groove, the inner wall of the second rectangular groove is in sliding connection with the outer side of the positioning rod 7, the bottom inner wall of the second rectangular groove is provided with a limiting hole, the utility model has the advantages of reasonable design, convenient operation, convenient automatic illumination operation in time after the shutter 2 is opened fast, the phenomenon that personnel can not see during night maintenance is avoided, and the arrangement of the first magnet and the second magnet 4 is convenient for fixing the shutter 2 after the shutter 2 is opened fast, and the phenomenon that the maintenance is influenced by the shutter 2 during the rotation process is reduced, and be convenient for after closing shutter 2 automatic shutdown illumination, satisfy the user demand.
The working principle is as follows: when the rain shield 3 is used, the functions of rain shielding and protection are achieved, when the circuit in the distribution box main body 1 needs to be checked and maintained, the T-shaped handle 18 is pushed downwards, the T-shaped handle 18 drives the rectangular rod 16 to move downwards and compress the first spring 17, the rectangular rod 16 drives the L-shaped clamping rod 14 to move downwards and gradually move out of the clamping hole while moving, then the T-shaped handle 18 is turned upwards, the T-shaped handle 18 drives the baffle door 2 to turn upwards through the rectangular rod 16, the baffle door 2 drives the second magnet 4 to rotate and turn over, the second magnet 4 gradually adsorbs the first magnet while rotating upwards, the baffle door 2 is fixed under the action of adsorption force of the second magnet 4 and the first magnet, the push block 13 is gradually released while the baffle door 2 is turned upwards, at the moment, the elastic force of the compression spring 9 drives the L-shaped insulating rod 8 to move rightwards, the L-shaped insulating rod 8 drives the first copper sheet 10 to move rightwards to be in contact with the second copper sheet 11, at the moment, the first copper sheet 10, the storage battery, the illuminating lamp 5 and the second copper sheet 11 sequentially form a loop, the illuminating lamp 5 is lightened to carry out illuminating operation on the interior of the distribution box main body 1, so that the baffle door 2 can be conveniently and quickly opened, automatic illuminating operation is timely carried out after the baffle door 2 is opened, the phenomenon that personnel cannot see during night maintenance is avoided, the baffle door 2 is conveniently and fixedly arranged after being quickly opened due to the arrangement of the first magnet and the second magnet 4, and the phenomenon that maintenance is influenced due to the fact that the baffle door 2 automatically rotates in the maintenance process is reduced;
after the maintenance is finished, the stop door 2 is rotated downwards to drive the second magnet 4 to be separated from the first magnet, meanwhile, the T-shaped handle 18 is pushed downwards again, so that the first spring 17 is in a stretching state, the stop door 2 is rotated continuously, the stop door 2 is rotated to be in contact with the push block 13 to extrude the push block 13, the extrusion force drives the push block 13 to move leftwards, the push block 13 drives the L-shaped insulating rod 8 to move leftwards and compress the compression spring 9, the L-shaped insulating rod 8 moves and simultaneously drives the first copper sheet 10 to be gradually separated from the second copper sheet 11, at the moment, a loop formed by the illuminating lamp 5, the first copper sheet 10, the second copper sheet 11 and the storage battery is disconnected, the illuminating lamp 5 stops illuminating, when the left side of the stop door 2 is in contact with the right side of the distribution box main body 1, the L-shaped clamping rod 14 is aligned with the clamping hole at the moment, the thrust on the T-shaped handle 18 is released, at the moment, the elasticity of first spring 17 passes through rectangular pole 16 and drives L shape kelly 14 upwards to run through the card hole and insert to first groove 6 in, and then makes shutter 2 fixed for be convenient for after closing shutter 2 self-closing illumination operation.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A distribution box for GIS substation equipment comprises a distribution box main body (1) with the right side provided with an opening, wherein a shutter (2) matched with the opening is rotatably arranged at the top of the right side of the distribution box main body (1), the distribution box is characterized in that the left side of the shutter (2) is in movable contact with the right side of the distribution box main body (1), a rain baffle (3) is fixedly arranged at the top of the distribution box main body (1), the top of the rain baffle (3) is arranged to be an inclined plane, a first magnet is embedded at one side of the bottom of the rain baffle (3), a second magnet (4) is fixedly arranged at the top of the right side of the shutter (2), the first magnet is matched with the second magnet (4), an illuminating lamp (5) and a storage battery positioned at the left side of the illuminating lamp (5) are fixedly arranged on the inner wall of the top of the distribution box main body (1), a first groove (6) is formed in the inner wall, a positioning rod (7) is fixedly installed on the inner wall of the left side of the first groove (6), an L-shaped insulating rod (8) is sleeved on the positioning rod (7) in a sliding mode, a compression spring (9) in a compression state is fixedly installed between the left side of the L-shaped insulating rod (8) and the inner wall of the left side of the first groove (6), the compression spring (9) is movably sleeved on the positioning rod (7), a first copper sheet (10) is fixedly installed on the inner wall of the left side of the L-shaped insulating rod (8), a second copper sheet (11) is fixedly installed on the inner wall of the right side of the first groove (6), the first copper sheet (10) is matched with the second copper sheet (11), the right end of the L-shaped insulating rod (8) extends out of the first groove (6) and is fixedly connected with a push block (13), the right side of the push block (13) is flush with the right side of the distribution box main body (1), the right side of the push, first rectangular channel (15) have been seted up to the bottom of shutter (2), sliding sleeve is equipped with rectangular pole (16) in first rectangular channel (15), the bottom of rectangular pole (16) extends to the below of shutter (2) and fixed mounting has L shape kelly (14), the top of L shape kelly (14) extends to in first groove (6), fixed mounting has first spring (17) between the top of rectangular pole (16) and the top inner wall of first rectangular channel (15), the right side fixed mounting of rectangular pole (16) has T shape handle (18), the right side of T shape handle (18) extends to outside shutter (2).
2. The distribution box for the GIS substation equipment according to claim 1, wherein the illuminating lamp (5) is electrically connected with the positive electrode of the storage battery, the illuminating lamp (5) is electrically connected with the second copper sheet (11), the negative electrode of the storage battery is electrically connected with the first copper sheet (10) through a flexible lead, and the illuminating lamp (5), the storage battery, the first copper sheet (10) and the second copper sheet (11) sequentially form a loop.
3. The distribution box for the GIS substation equipment according to claim 1, wherein a second groove is formed in the bottom of the right side of the distribution box main body (1), the L-shaped insulating rod (8) and the push block (13) are both located in the second groove, the inner wall of the second groove is not in contact with the outer side of the L-shaped insulating rod (8), and the top and the bottom of the push block (13) are in movable contact with the inner wall of the top and the inner wall of the bottom of the second groove respectively.
4. The distribution box for the GIS substation equipment according to claim 1, wherein a second rectangular groove is formed in the right side of the L-shaped insulating rod (8), the inner wall of the second rectangular groove is slidably connected with the outer side of the positioning rod (7), a limiting hole is formed in the inner wall of the bottom of the second rectangular groove, a limiting block is fixedly mounted at the bottom of the positioning rod (7), and the limiting block is slidably connected with the limiting hole.
5. The distribution box for the GIS substation equipment according to claim 1, wherein a rectangular hole is formed in the left inner wall of the first rectangular groove (15), and the front inner wall and the rear inner wall of the rectangular hole are respectively connected with the front side and the rear side of the T-shaped handle (18) in a sliding manner.
6. The distribution box for the GIS substation equipment according to claim 1, wherein a first insulating rod (12) is fixedly installed on the inner wall of the right side of the first groove (6), and the left end of the first insulating rod (12) is fixedly connected with the right side of the second copper sheet (11).
7. The distribution box for the GIS substation equipment according to claim 1, wherein a clamping hole is formed in the inner wall of the bottom of the first groove (6), and the inner wall of the clamping hole is in movable contact with the outer side of the L-shaped clamping rod (14).
8. The distribution box for the GIS substation equipment according to claim 1, wherein two support rods are fixedly connected to the top of the distribution box main body (1), and the top ends of the support rods are fixedly connected with the bottom of the rain shield (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021499713.4U CN212462490U (en) | 2020-07-27 | 2020-07-27 | Distribution box for GIS substation equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021499713.4U CN212462490U (en) | 2020-07-27 | 2020-07-27 | Distribution box for GIS substation equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212462490U true CN212462490U (en) | 2021-02-02 |
Family
ID=74476206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021499713.4U Active CN212462490U (en) | 2020-07-27 | 2020-07-27 | Distribution box for GIS substation equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212462490U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112787245A (en) * | 2021-04-12 | 2021-05-11 | 江苏环亚医用科技集团股份有限公司 | Combined power distribution combined cabinet for medical corridor |
-
2020
- 2020-07-27 CN CN202021499713.4U patent/CN212462490U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112787245A (en) * | 2021-04-12 | 2021-05-11 | 江苏环亚医用科技集团股份有限公司 | Combined power distribution combined cabinet for medical corridor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN212462490U (en) | Distribution box for GIS substation equipment | |
CN208342801U (en) | A kind of comprehensive wiring engineering tool case | |
CN112788901B (en) | Electrical control cabinet and method | |
CN214337238U (en) | Lighting device for distribution box | |
CN211507537U (en) | High-power transmitting line separation conversion control device | |
CN218996634U (en) | Three-phase balanced breaker | |
CN216598601U (en) | Mining low-voltage distribution box with internal protection device | |
CN109580995A (en) | A kind of high-potting T-shape cable clamp | |
CN214543050U (en) | Medium-voltage cabinet convenient for maintaining internal electrical equipment | |
CN213846056U (en) | Aerify cabinet convenient to overhaul | |
CN211208946U (en) | Switch board convenient to overhaul | |
CN210040598U (en) | Wire clamp insulating sheath for low-voltage user wiring | |
CN214379373U (en) | High-voltage switch cabinet with electric grounding switch | |
CN203192669U (en) | Four-bar three-position isolating switch | |
CN203055767U (en) | Ring main unit directly-operated type vacuum switchgear | |
CN112034382A (en) | Multifunctional miner's lamp fault diagnosis instrument | |
CN212062327U (en) | Intelligent outdoor circuit breaker | |
CN205350933U (en) | Electrical equipment removes magnetic support and overhauls lamp | |
CN217847801U (en) | Pole-mounted circuit breaker | |
CN216529950U (en) | Emergency opening and closing device for middle door of high-voltage cabinet | |
CN216450971U (en) | High-low switch cabinet convenient to overhaul | |
CN215185151U (en) | TTU distribution and transformation terminal with night detection lighting device | |
CN220605294U (en) | High-low voltage switch cabinet convenient to install and overhaul | |
CN216981148U (en) | Internal line protection device of high-voltage switch cabinet | |
CN213905849U (en) | Power distribution cabinet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |