CN113300227B - Low-voltage switchgear with protection structure - Google Patents
Low-voltage switchgear with protection structure Download PDFInfo
- Publication number
- CN113300227B CN113300227B CN202110638248.0A CN202110638248A CN113300227B CN 113300227 B CN113300227 B CN 113300227B CN 202110638248 A CN202110638248 A CN 202110638248A CN 113300227 B CN113300227 B CN 113300227B
- Authority
- CN
- China
- Prior art keywords
- groove
- knife
- spring
- voltage switchgear
- wire connecting
- 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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- 230000004224 protection Effects 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 19
- 239000000919 ceramic Substances 0.000 claims description 19
- 238000001125 extrusion Methods 0.000 claims description 11
- 244000309464 bull Species 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000009979 protective mechanism Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- 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
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
- H02B1/052—Mounting on rails
- H02B1/0523—Mounting on rails locked into position by a sliding member
-
- 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
-
- 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
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulators (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses low-voltage switch equipment with a protection structure, which belongs to the technical field of electrical equipment and comprises a porcelain bottom, wherein a first wiring groove is symmetrically formed in one end of the porcelain bottom, a second wiring groove is symmetrically formed in the other end of the porcelain bottom, and conductive sheets are fixed at the inner bottoms of the first wiring groove and the second wiring groove. The gear at the bottom end of the knife is arranged to be used together with the rack in the chute, and then the limiting mechanism consisting of the first spring and the insert block in the rack is used, so that the knife can be positioned at any position in the overturning process, meanwhile, the laminating stability between the knife and the knife holder is ensured, the stable connection of a circuit is ensured, the practicability is higher, the arrangement of the protective mechanism consisting of the second spring at the top end on the knife and the telescopic tube can prevent the knife from being exposed to the outside, the electric shock phenomenon of an operator in the switch closing process is effectively prevented, and the use safety of equipment is improved.
Description
Technical Field
The invention relates to low-voltage switch equipment, in particular to low-voltage switch equipment with a protection structure, and belongs to the technical field of electrical equipment.
Background
The knife switch is a switch device which is mainly used for isolating a power supply, switching operation and connecting and disconnecting a small current circuit and has no arc extinguishing function, and when the isolating switch is in a split position, an insulation distance meeting the specified requirement and an obvious disconnection mark are arranged between contacts; a switching device capable of carrying, in a closed position, a current under normal loop conditions and a current under abnormal conditions (e.g., short circuit) for a prescribed time;
however, in the process of using the existing knife switch, the extrusion effect of the knife holder on the knife is poor due to repeated opening and closing operations, so that the lamination stability between the knife holder and the knife is poor, the circuit is easy to break, the circuit cannot be protected, the existing knife switch protrudes out of the shell when in use, although the existing knife switch is provided with a handle for protection, electric shock is easy to cause when in use, in addition, the outer side of the shell of the existing knife switch is provided with a knife slot, the knife slot cannot be protected, external dust and sundries are easy to enter the interior of the knife switch, the cleaning is inconvenient, and the normal use of the knife switch is influenced.
Disclosure of Invention
The invention mainly aims to provide low-voltage switch equipment with a protection structure, so as to solve the problems that in the prior art, the limit stability of a knife switch is poor, and the outside of the knife switch and the inside of a knife slot lack of protection.
The aim of the invention can be achieved by adopting the following technical scheme:
the utility model provides a low-voltage switchgear with protection architecture, includes the porcelain end, first wiring groove has been seted up to the one end symmetry of porcelain end, and the other end symmetry of porcelain end has been seted up the second wiring groove, the interior bottom of first wiring groove and second wiring groove all is fixed with the conducting strip, the inside of first wiring groove and second wiring groove all is provided with wire positioning mechanism, the inside of first wiring groove and second wiring groove all is provided with the cutter holder, the inner end of first wiring groove all is fixed with the conducting rod, and all rotates on the conducting rod and install the plug-in strip, two sets of be provided with the handle between the plug-in strip, the outside of plug-in strip all is provided with stop gear, the top of porcelain end is provided with the casing, set up on the casing with plug-in strip complex sword groove, the inside of sword groove all is provided with protection machanism, the bottom of porcelain end is provided with fixed establishment.
Preferably: the wire positioning mechanism comprises an extrusion sheet and a positioning screw rod, wherein the extrusion sheet is positioned at the top of the conductive sheet, the positioning screw rod is rotatably arranged on the conductive sheet, and the positioning screw rod penetrates through the extrusion sheet and is in threaded connection with the extrusion sheet.
Preferably: the fixing mechanism comprises a clamping groove and a clamping block, the clamping groove is formed in the middle of the bottom of the porcelain bottom, the clamping block is slidably mounted at the end of the porcelain bottom and extends to the inside of the clamping groove, one end of the clamping block, far away from the clamping groove, is pulled out of the clamping groove, the end, close to the inside of the clamping groove, of the clamping block is provided with a bevel edge, and the bevel edge faces the inner top of the clamping groove.
Preferably: the utility model provides a limit mechanism, including bull stick, gear and spout, the bottom fixed connection of bull stick and plug-in strip, be fixed with the gear on the bull stick, the top at the bottom of the porcelain is seted up to the spout, and the spout is located under the gear, the inside slidable mounting of spout has the rack, the meshing between spout and the rack, the spacing groove has all been seted up to the both sides of spout, the mounting groove has been seted up to the inside of rack, and the intermediate position department of mounting groove inside is provided with first spring, the both ends of first spring all are provided with the inserted block, sliding connection between inserted block and the first spring, the one end that first spring was kept away from to the inserted block is all pegged graft in the inside of spacing groove.
Preferably: the limiting groove is in a saw-tooth shape, and one end of the insert block, which is close to the limiting groove, is in a conical shape.
Preferably: the telescopic tube is arranged on two sides of the bottom of the handle, the telescopic tube is sleeved on the switch blade, a second spring is arranged in the telescopic tube, the bottom end of the second spring is connected with the inner bottom of the telescopic tube, and the top end of the second spring is fixedly connected with the handle.
Preferably: the protection mechanism is a rubber sheet, the rubber sheet is fixed on two sides of the inner part of the cutter groove, the rubber sheet inclines towards the top of the shell, and two groups of rubber sheets in the inner part of the cutter groove are mutually attached.
Preferably: insulating pads are arranged at two ends of the bottom of the porcelain bottom, and anti-skidding patterns are arranged at the bottoms of the insulating pads.
Preferably: the handle is made of ceramic, and a hollow buckling groove is formed in the top of the handle.
Preferably: the top of the shell is semicircular, two ends of the shell are hinged with cover plates, and the cover plates are positioned at the tops of the first wiring grooves and the second wiring grooves.
The beneficial effects of the invention are as follows:
1. the low-voltage switch equipment with the protection structure provided by the invention is characterized in that the gear at the bottom end of the knife is arranged to be matched with the rack in the chute for use, and then the limiting mechanism consisting of the first spring and the insert block in the rack is utilized for use, so that the knife can be positioned at any position in the overturning process, meanwhile, the laminating stability between the knife and the knife holder is ensured, the stable connection of a circuit is ensured, the practicability is higher,
the protective mechanism formed by the second spring at the top end of the knife and the telescopic tube can prevent the knife from being exposed to the outside, effectively prevent operators from electric shock in the switch closing process, improve the use safety of equipment, and ensure the use safety of the equipment.
Drawings
FIG. 1 is an internal block diagram of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a block diagram of the structure of FIG. 1A in accordance with the present invention;
FIG. 4 is a schematic view of the inside cross section of the chute of the present invention;
FIG. 5 is a schematic view of the bottom structure of the handle of the present invention;
fig. 6 is a cross-sectional view of the housing of the present invention.
In the figure: 1. a porcelain bottom; 2. a first wiring groove; 3. a second wiring groove; 4. a conductive sheet; 5. extruding the sheet; 6. positioning a screw; 7. a tool holder; 8. a conductive rod; 9. a knife switch; 10. a handle; 11. a limiting mechanism; 12. a housing; 13. a knife slot; 14. a clamping groove; 15. a clamping block; 16. a rotating rod; 17. a gear; 18. a chute; 19. a rack; 20. a limit groove; 21. a mounting groove; 22. a first spring; 23. inserting blocks; 24. a telescopic tube; 25. a second spring; 26. a rubber sheet.
Detailed Description
In order to make the technical solution of the present invention more clear and clear to those skilled in the art, the present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-6, the embodiment provides a low-voltage switch device with a protection structure, which comprises a ceramic bottom 1, wherein a first wiring groove 2 is symmetrically arranged at one end of the ceramic bottom 1, a second wiring groove 3 is symmetrically arranged at the other end of the ceramic bottom 1, conductive plates 4 are fixed at the inner bottoms of the first wiring groove 2 and the second wiring groove 3, wire positioning mechanisms are arranged in the first wiring groove 2 and the second wiring groove 3, a tool holder 7 is arranged in the first wiring groove 2 and the second wiring groove 3, conductive rods 8 are fixed at the inner ends of the first wiring groove 2, blades 9 are rotatably arranged on the conductive rods 8, a handle 10 is arranged between the two groups of blades 9, a limit mechanism 11 is arranged at the outer sides of the blades 9, a shell 12 is arranged at the top of the ceramic bottom 1, a blade groove 13 matched with the blades 9 is arranged on the shell 12, a protection mechanism is arranged in the blade groove 13, and a fixing mechanism is arranged at the bottom of the ceramic bottom 1.
In this embodiment, as shown in fig. 1, the wire positioning mechanism includes a pressing piece 5 and a positioning screw 6, the pressing piece 5 is located at the top of the conductive piece 4, the positioning screw 6 is rotatably installed on the conductive piece 4, and the positioning screw 6 penetrates the pressing piece 5 and is in threaded connection with the pressing piece 5, in the wire installation process, a wire is inserted between the pressing piece 5 and the conductive piece 4, and then the positioning screw 6 is rotated to control the pressing piece 5 to move downwards, so as to press and fix the wire.
In this embodiment, as shown in fig. 1, the fixing mechanism includes a clamping groove 14 and a clamping block 15, the clamping groove 14 is formed in a middle position of the bottom of the ceramic bottom 1, the clamping block 15 is slidably mounted at the end of the ceramic bottom 1, the clamping block 15 extends into the clamping groove 14, one end of the clamping block 15, which is far away from the clamping groove 14, is pulled out, one end of the clamping block 15, which is close to the inside of the clamping groove 14, is provided with a bevel edge, the bevel edge faces the inner top of the clamping groove 14, in the process of installing the device, an iron guide rail is fixed first, then the clamping groove 14 at the bottom of the ceramic bottom 1 is clamped on the iron guide rail, and the clamping block 15 moves towards the iron guide rail to fix the device.
In this embodiment, as shown in fig. 3 and 4, the limiting mechanism 11 includes a rotating rod 16, a gear 17 and a sliding groove 18, the rotating rod 16 is fixedly connected with the bottom end of the knife 9, the gear 17 is fixed on the rotating rod 16, the sliding groove 18 is formed at the top of the ceramic bottom 1, the sliding groove 18 is located right below the gear 17, the rack 19 is slidably mounted in the sliding groove 18, the sliding groove 18 is meshed with the rack 19, limiting grooves 20 are formed at two sides of the sliding groove 18, a mounting groove 21 is formed in the rack 19, a first spring 22 is arranged in the middle position of the mounting groove 21, two ends of the first spring 22 are respectively provided with an insert block 23, one end of each insert block 23, far away from the first spring 22, is inserted into the limiting grooves 20, in the process of rotating the knife 9, the gear 17 is driven to rotate, the rack 19 is slidably controlled in the sliding groove 18, the inner insert blocks 23 are inserted into the limiting grooves 20 under the action force of the first spring 22, and the stability of the knife 9 is ensured.
In this embodiment, as shown in fig. 4, the limiting groove 20 is saw-tooth-shaped, and one end of the insert block 23, which is close to the limiting groove 20, is tapered, so that positioning can be performed at any position in the sliding process of the rack 19, and the practicability of the device is improved.
In this embodiment, as shown in fig. 5, the two sides of the bottom of the handle 10 are both provided with the telescopic tube 24, and the telescopic tube 24 is sleeved on the knife switch 9, the second spring 25 is disposed in the telescopic tube 24, the bottom end of the second spring 25 is connected with the inner bottom of the telescopic tube 24, the top end of the second spring 25 is fixedly connected with the handle 10, and the position of the knife switch 9 exposed to the outside is protected by the telescopic tube 24, so that electric shock to a user is avoided, and the use safety is improved.
In this embodiment, as shown in fig. 6, the protection mechanism is a rubber sheet 26, the rubber sheet 26 is fixed on two sides of the inside of the cutter slot 13, and the rubber sheet 26 is inclined towards the top of the housing 12, and the two groups of rubber sheets 26 inside the cutter slot 13 are mutually attached, so as to ensure the sealing effect between the cutter slots 13.
In this embodiment, as shown in fig. 1, insulation pads are disposed at two ends of the bottom of the porcelain base 1, and anti-skidding patterns are disposed at the bottom of the insulation pads, so that stability and insulation effect of the device are improved.
In this embodiment, as shown in fig. 1, the handle 10 is made of ceramic, and a hollow fastening groove is formed in the top of the handle 10, so that the safety in the use process is improved due to the characteristic of ceramic insulation, and the use is more convenient due to the fact that the hollow fastening groove is used for facilitating the hand holding operation.
In this embodiment, as shown in fig. 2, the top of the casing 12 is in a semicircular arc shape, two ends of the casing 12 are hinged with cover plates, the cover plates are located at the tops of the first wiring groove 2 and the second wiring groove 3, the top of the first wiring groove 2 and the top of the second wiring groove 3 can be protected by the aid of the arrangement of the cover plates, and the installation of wires is facilitated.
As shown in fig. 1 to 6, the working procedure of the low-voltage switching device with the protection structure provided in this embodiment is as follows:
step 1: in the installation process, the iron guide rail is fixed firstly, then the clamping groove 14 at the bottom of the porcelain bottom 1 is clamped on the iron guide rail, and then the clamping block 15 moves towards the iron guide rail to fix the device, so that the device installation is completed;
step 2: in the process of installing the lead, the lead is inserted between the extrusion sheet 5 and the conductive sheet 4, then the positioning screw 6 is rotated, the extrusion sheet 5 is controlled to move downwards, and the lead is extruded and fixed;
step 3: in the process of rotating the knife 9, the gear 17 is driven to rotate, the rotation of the gear 17 controls the rack 19 to slide in the chute 18, and in the sliding process of the rack 19, the internal insert block 23 is inserted into the limit groove 20 under the acting force of the first spring 22 to automatically limit the rack 19;
step 4: during the rotation of the knife 9, the rubber sheet 26 inside the knife slot 13 is opened along with the sliding of the knife 9, and the knife 9 is protected by the telescopic tube 24 at the position exposed to the outside.
The above description is merely a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present invention within the scope of the present invention disclosed in the present invention.
Claims (9)
1. Low-voltage switchgear with protection architecture, its characterized in that: the novel ceramic wire connecting device comprises a ceramic bottom (1), wherein a first wire connecting groove (2) is symmetrically formed in one end of the ceramic bottom (1), a second wire connecting groove (3) is symmetrically formed in the other end of the ceramic bottom (1), conducting strips (4) are fixed at the inner bottoms of the first wire connecting groove (2) and the second wire connecting groove (3), wire positioning mechanisms are arranged in the first wire connecting groove (2) and the second wire connecting groove (3), tool holders (7) are arranged in the first wire connecting groove (2) and the second wire connecting groove (3), conducting rods (8) are fixed at the inner ends of the first wire connecting groove (2), a knife switch (9) is rotatably installed on the conducting rods (8), handles (10) are arranged between two groups of the knife switches (9), limit mechanisms (11) are arranged on the outer sides of the knife switches (9), a shell (12) is arranged at the top of the ceramic bottom (1), a groove (13) matched with the knife switches (9) is formed in the shell (12), and a protection mechanism (13) is arranged at the bottom of the ceramic bottom;
stop gear (11) are including bull stick (16), gear (17) and spout (18), the bottom fixed connection of bull stick (16) and plug-in strip (9), be fixed with gear (17) on bull stick (16), the top at porcelain end (1) is seted up in spout (18), and spout (18) are located under gear (17), the inside slidable mounting of spout (18) has rack (19), the meshing between spout (18) and rack (19), spacing groove (20) have all been seted up at the both sides of spout (18), mounting groove (21) have been seted up to the inside of rack (19), and the intermediate position department of mounting groove (21) inside is provided with first spring (22), the both ends of first spring (22) all are provided with plug-in block (23), sliding connection between plug-in block (23) and first spring (22), the inside of keeping away from first spring (22) is all pegged graft in spacing groove (20).
2. The low voltage switchgear with protection architecture according to claim 1, characterized in that: the wire positioning mechanism comprises an extrusion sheet (5) and a positioning screw rod (6), wherein the extrusion sheet (5) is positioned at the top of the conductive sheet (4), the positioning screw rod (6) is rotatably arranged on the conductive sheet (4), and the positioning screw rod (6) penetrates through the extrusion sheet (5) and is in threaded connection with the extrusion sheet (5).
3. The low voltage switchgear with protection architecture according to claim 1, characterized in that: the fixing mechanism comprises a clamping groove (14) and a clamping block (15), wherein the clamping groove (14) is formed in the middle of the bottom of the porcelain bottom (1), the clamping block (15) is slidably mounted at the end of the porcelain bottom (1), the clamping block (15) extends to the inside of the clamping groove (14), one end, far away from the clamping groove (14), of the clamping block (15) is pulled out, one end, close to the inside of the clamping groove (14), of the clamping block (15) is provided with a bevel edge, and the bevel edge faces the inner top of the clamping groove (14).
4. The low voltage switchgear with protection architecture according to claim 1, characterized in that: the limiting groove (20) is in a saw-tooth shape, and one end, close to the limiting groove (20), of the inserting block (23) is in a conical shape.
5. The low voltage switchgear with protection architecture according to claim 1, characterized in that: the telescopic tube (24) is arranged on two sides of the bottom of the handle (10), the telescopic tube (24) is sleeved on the switch blade (9), a second spring (25) is arranged in the telescopic tube (24), the bottom end of the second spring (25) is connected with the inner bottom of the telescopic tube (24), and the top end of the second spring (25) is fixedly connected with the handle (10).
6. The low voltage switchgear with protection architecture according to claim 1, characterized in that: the protection mechanism is a rubber sheet (26), the rubber sheet (26) is fixed on two sides of the inside of the cutter groove (13), the rubber sheet (26) is inclined towards the top of the shell (12), and two groups of rubber sheets (26) inside the cutter groove (13) are mutually attached.
7. The low voltage switchgear with protection architecture according to claim 1, characterized in that: insulating pads are arranged at two ends of the bottom of the porcelain bottom (1), and anti-skidding patterns are arranged at the bottom of the insulating pads.
8. The low voltage switchgear with protection architecture according to claim 1, characterized in that: the manufacturing material of the handle (10) is ceramic, and a hollow buckling groove is formed in the top of the handle (10).
9. The low voltage switchgear with protection architecture according to claim 1, characterized in that: the top of the shell (12) is in a semicircular arc shape, cover plates are hinged to two ends of the shell (12), and the cover plates are located at the tops of the first wiring groove (2) and the second wiring groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110638248.0A CN113300227B (en) | 2021-06-08 | 2021-06-08 | Low-voltage switchgear with protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110638248.0A CN113300227B (en) | 2021-06-08 | 2021-06-08 | Low-voltage switchgear with protection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113300227A CN113300227A (en) | 2021-08-24 |
| CN113300227B true CN113300227B (en) | 2024-03-29 |
Family
ID=77327546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110638248.0A Active CN113300227B (en) | 2021-06-08 | 2021-06-08 | Low-voltage switchgear with protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113300227B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490070U (en) * | 2009-07-14 | 2010-05-26 | 吴元锋 | Novel HK1 knife switch |
| CN202134439U (en) * | 2011-06-28 | 2012-02-01 | 上海一开电气集团有限公司 | Knife switch with chimb |
| CN205050745U (en) * | 2015-06-27 | 2016-02-24 | 杨建海 | Back brake switch |
| CN209087661U (en) * | 2018-10-25 | 2019-07-09 | 中环能江苏电力工程有限公司 | A kind of safety knife switch |
| CN111217282A (en) * | 2018-11-23 | 2020-06-02 | 西安思途米环保科技有限公司 | Lifting platform for installation of waterproof heat-preservation engineering |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9530575B2 (en) * | 2012-07-02 | 2016-12-27 | Reliance Controls Corporation | Transfer switch for sequentially derived system |
-
2021
- 2021-06-08 CN CN202110638248.0A patent/CN113300227B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201490070U (en) * | 2009-07-14 | 2010-05-26 | 吴元锋 | Novel HK1 knife switch |
| CN202134439U (en) * | 2011-06-28 | 2012-02-01 | 上海一开电气集团有限公司 | Knife switch with chimb |
| CN205050745U (en) * | 2015-06-27 | 2016-02-24 | 杨建海 | Back brake switch |
| CN209087661U (en) * | 2018-10-25 | 2019-07-09 | 中环能江苏电力工程有限公司 | A kind of safety knife switch |
| CN111217282A (en) * | 2018-11-23 | 2020-06-02 | 西安思途米环保科技有限公司 | Lifting platform for installation of waterproof heat-preservation engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113300227A (en) | 2021-08-24 |
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Denomination of invention: Low voltage switchgear with protective structure Granted publication date: 20240329 Pledgee: Jiangyin branch of Bank of China Ltd. Pledgor: Jiangsu chengjiyang Power Equipment Co.,Ltd. Registration number: Y2024980019967 |