CN113690785A - Gas tank of gas-insulated intelligent demarcation switch equipment - Google Patents
Gas tank of gas-insulated intelligent demarcation switch equipment Download PDFInfo
- Publication number
- CN113690785A CN113690785A CN202111127228.3A CN202111127228A CN113690785A CN 113690785 A CN113690785 A CN 113690785A CN 202111127228 A CN202111127228 A CN 202111127228A CN 113690785 A CN113690785 A CN 113690785A
- Authority
- CN
- China
- Prior art keywords
- gas
- gas tank
- switch
- isolating
- pole
- 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.)
- Granted
Links
- 239000007789 gas Substances 0.000 claims description 90
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000003915 air pollution Methods 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 abstract description 5
- 230000005494 condensation Effects 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 229910052802 copper Inorganic materials 0.000 description 8
- 239000010949 copper Substances 0.000 description 8
- 238000009826 distribution Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0354—Gas-insulated switchgear comprising a vacuum switch
-
- 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
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a gas tank of gas-insulated intelligent demarcation switch equipment, which comprises a gas-sealed gas tank, wherein insulating gas is filled in the gas tank, a pressure relief flange is arranged on the wall of the gas tank, a bus is arranged in the gas tank, one end of the bus is sequentially connected with an isolating switch, a load switch pole column and a wire inlet sleeve in series, the other end of the bus is connected with a breaker pole column, one end of the breaker pole column is connected with a wire outlet sleeve, the other end of the breaker pole column is connected with a wire outlet inner cone, and the isolating switch, the load switch pole column and the breaker pole column are all provided with an operating mechanism. The invention adopts a totally-enclosed structure, completely isolates the conductor and some high-voltage elements from the external environment, and avoids the influence of damp heat, condensation and air pollution caused by weather and environmental change.
Description
Technical Field
The invention relates to a gas tank of gas-insulated intelligent demarcation switch equipment, and belongs to the technical field of demarcation switches.
Background
With the rapid development of modern social economy and modern industrial technology, the power demand is continuously increased in various industries, and in the existing network power supply network system, a medium-voltage power distribution system plays a role of 'starting and stopping' and occupies a very important position, so that the performance of medium-voltage power distribution equipment plays a very important role in the safe and continuous operation of the whole power grid;
the method comprises the following steps that (1) an overhead distribution line T is connected with a branch line or a terminal user, when a switch incoming line fails or a line inside a user switch fails, a substation outgoing switch is tripped when the protection action time limit of the T is not matched with a substation outgoing switch, if the fault is permanent, the substation superposition cannot be successful, an accident in a medium-voltage user boundary can cause the power failure of the whole 10KV distribution line, if gas-insulated intelligent boundary switch equipment is installed on the T-connected branch line or the terminal user, the actual fault (overcurrent, short circuit and single-phase grounding) condition of the line is detected in real time, the fault is automatically removed, a series of management problems caused by large-area power failure due to outgoing line fault of one section of line or one equipment in a distribution network can be effectively solved, and the efficiency of power supply management can be effectively improved;
the core of the gas insulation intelligent demarcation switch equipment is a high-pressure gas tank.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a gas box of gas-insulated intelligent demarcation switch equipment, which adopts a totally-enclosed structure to completely isolate a conductor and some high-voltage elements from the external environment and avoid the influence of damp heat, condensation and air pollution caused by weather and environmental change.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
a gas insulated intelligent demarcation switchgear, comprising:
the gas tank is closed, and a bus is arranged in the gas tank;
one end of the bus is connected in series with the isolating switch, the load switch pole and the wire inlet sleeve;
the other end of the bus is connected with a breaker pole, one end of the breaker pole is connected with a wire outlet sleeve, and the other end of the breaker pole is connected with a wire outlet inner cone;
the isolating switch, the load switch pole and the breaker pole are respectively provided with an operating mechanism, and each operating mechanism is arranged on the outer wall of the gas tank;
insulating gas is filled in the gas box;
the air box is provided with a pressure relief flange;
the bus is connected with an expansion sleeve for expansion connection of external equipment, and the expansion sleeve is arranged on the outer wall of the air box.
Among this technical scheme, the gas tank is totally closed structure, keeps apart conductor and electrified high voltage component and external insulation, avoids arousing damp and hot, condensation or air pollution to the inside device of gas tank to exert an influence because of weather, environmental change to set up the pressure release flange on the gas tank, breaks down in the gas tank is inside, when producing high temperature high-pressure gas, accessible pressure release channel discharges to the external world, avoids the inside atmospheric pressure of gas tank to produce excessively to burst, endangers staff's safety.
Further, the load switch pole and the breaker pole have the same structure, so that the load switch pole can be switched on and off by vacuum bubbles, a relay device is conveniently adopted for protection, and the intelligent protection device is beneficial to intellectualization.
Furthermore, the isolating switch comprises an isolating movable knife, an isolating static knife and an isolating grounding part;
the isolation moving knife is a rotary conductive piece, and the isolation moving knife and the isolation static knife are arranged concentrically;
and the operating mechanism of the isolating switch is in transmission connection with the main shaft of the isolating switch and is used for driving the main shaft of the isolating switch to rotate to realize switching on and switching off.
Furthermore, the isolation moving knife comprises two oval moving blade knives which are arranged in bilateral symmetry, and a moving knife limiting plate is arranged between the two moving blade knives.
Furthermore, the two ends of the breaker pole are connected by copper parts, and the exposed electrified part of the breaker pole adopts a circular voltage equalizing part or an oblate feeder line so as to improve the electric field of the electrified part and enable the electrified part to reach the corresponding insulation level under normal atmospheric pressure.
Furthermore, the insulating gas is nitrogen, dry air or SF6, and the insulation of the components inside the gas box from the outside is realized by filling the insulating gas in the closed gas box.
Further, the box of gas tank adopts the laser welding shaping, and structural strength is high, the gas tank sets up the barometer that is used for monitoring inside atmospheric pressure and the humidity indicator that is used for monitoring inside humidity, reflects the inside pressure of gas tank and humidity in real time to manage and timely trouble should.
Furthermore, the isolating switch is a three-position isolating switch.
Compared with the prior art, the invention has the following beneficial effects:
the conductor and the high-voltage live component of the boundary switch are integrated by adopting the totally-enclosed air box, and the air box is filled with insulating gas, so that the components in the air box are insulated and isolated from the external environment, and the influence of damp heat, condensation or air pollution caused by weather or environmental change is reduced;
the invention adopts the combination mode of the isolating switch and the load switch pole at the wire inlet, not only separates the visible breakpoints, but also can carry out the vacuum breaking of the heavy-current load switch pole, and the wire outlet adopts the vacuum breaking of the breaker pole, and is simultaneously provided with the inner cone socket for plugging the power supply mutual inductor, thereby being convenient for voltage measurement and secondary power supply.
The pressure relief flange is arranged on the air box, so that a relief channel is provided for high-temperature and high-pressure gas generated by failure in the air box, and the situation that the box body is exploded due to overlarge air pressure in the air box, and the personal safety of workers is endangered is avoided.
Drawings
Fig. 1 is a perspective view illustrating connection of internal components of a gas box of a gas insulated intelligent boundary switchgear according to an embodiment of the present invention;
FIG. 2 is a perspective view of the connection of a load switch pole, an isolator single-station and a breaker switch pole inside a gas tank of the gas insulated intelligent demarcation switching equipment provided by the embodiment of the invention;
fig. 3 is a partially exploded view of an isolated blade in an air box of an intelligent air-insulated demarcation switching device according to an embodiment of the present invention;
FIG. 4 is an overall perspective view of the movable blade in the gas box of the gas insulated intelligent boundary switch device according to the embodiment of the present invention
Fig. 5 is a front view of a gas box of a gas insulated intelligent demarcation switching device according to an embodiment of the present invention;
fig. 6 is a later sectional view of a gas tank of a gas insulated intelligent demarcation switching device according to an embodiment of the present invention;
fig. 7 is a side sectional view of a gas box of a gas insulated intelligent demarcation switching device according to an embodiment of the present invention;
fig. 8 is a primary main wiring schematic diagram of a gas tank of a gas insulated intelligent demarcation switching device according to an embodiment of the present invention.
In the figure: 1. a gas tank; 2. a wire inlet sleeve; 5. an isolating switch; 7. a load switch pole; 8. a breaker pole; 9. a circuit breaker operating mechanism; 10. a bus bar; 11. a wire outlet sleeve; 13. an outlet inner cone; 16. an isolating switch operating mechanism; 17. a load switch operating mechanism; 18. a barometer; 19. a gas tank baffle; 21. a spherical fastener; 22. a pressure relief flange; 24. u-shaped steel; 26. a movable blade; 27. move the sword limiting plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The gas box of the gas insulated intelligent demarcation switch equipment provided by the embodiment of the invention is shown in figures 1 to 8, and comprises a gas-sealed gas box 1, wherein the gas box 1 is formed by welding stainless steel plates and has high structural strength, the gas box 1 is a high-pressure gas box, a barometer 18 and a humidity indicator for monitoring the internal gas pressure and humidity are arranged on the wall of the gas box 1, so that an operator can know the conditions of the gas pressure and the humidity in the box in real time conveniently to adjust and manage, and can react to faults in time conveniently, a gas box partition plate 19 is arranged in the middle of the gas box 1 to divide the gas box 1 into a wire inlet part and a wire outlet part, and the gas box partition plate 19 can increase the structural strength of the gas box 1.
Three buses are arranged in the gas tank, the buses 10 are copper bars, one end of each bus 10 is sequentially connected with a disconnecting switch 5, a load switch pole 7 and a wire inlet sleeve 2 in series at a wire inlet part, and the buses 10 and the disconnecting switch 5 are connected through the copper bars and fixed through a spherical fastener 21.
The isolating switch 5 comprises an isolating movable knife, an isolating static knife and an isolating grounding part, the isolating movable knife is a rotary conductive piece, and the isolating movable knife and the isolating static knife are concentrically arranged.
The isolating moving blade comprises two oval moving blades 26 which are arranged in bilateral symmetry, and a moving blade limiting plate 27 is clamped between the two moving blades and used for limiting the stroke of the isolating moving blade.
The other ends of the three buses 10 are respectively connected with three groups of breaker poles 8 at the wire outlet part, one end of each breaker pole 8 is connected with a wire outlet sleeve 11 through a copper bar, the other end of each breaker pole 8 is connected with a wire outlet inner cone 13 through a round copper bar, the wire outlet inner cones 13 are used for being externally connected with a voltage transformer and used for providing power for secondary equipment, the electrified part of each breaker pole 8 adopts a circular voltage equalizing piece or an oblate feeder line so as to improve the electric field of the electrified part, and the electrified part can reach the corresponding insulation level even under normal atmospheric pressure.
The breaker pole 8 adopts an integrated pouring type, and vacuum bubbles in the breaker pole 8 are poured and fixed by epoxy resin, so that the insulativity can be effectively improved, and the partial discharge can be reduced.
Load switch utmost point post 7 is the same with 8 structural design of circuit breaker utmost point posts for load switch utmost point post 7 also can adopt the vacuum bubble to cut off, conveniently adopts relay unit to protect, is favorable to the intellectuality, reduces design procedure and verification step simultaneously, improves the commonality between the component, reduces research and development and manufacturing cost.
The gas box 1 is filled with insulating gas, which may be nitrogen, dry air or SF6, to insulate the charged body inside the box from the outside.
An isolation operating mechanism for operating the isolating switch 5 is arranged on a panel of the outer wall of the air box 1, the isolation operating mechanism is in transmission connection with a main shaft of the isolating switch 5, and the isolation operating mechanism is acted on the main shaft of the isolating switch 5 by adopting rotation operation to enable the main shaft to generate rotation motion so as to achieve the purposes of opening and closing and grounding of the isolating switch 5.
The panel of the outer wall of the air box 1 is provided with a load switch operating mechanism 17 for operating the load switch pole 7 and a breaker operating mechanism 9 for operating the breaker switch pole, and the load switch operating mechanism 17 and the breaker operating mechanism 9 adopt a working mode of front-back direct-acting operation.
The welding has U shaped steel 24 on the panel of the inner wall of gas tank 1, and circuit breaker utmost point post 8 links firmly with gas tank 1 through U shaped steel 24, and the stability of gas tank 1 structure can be strengthened to U shaped steel 24, can reduce the vibration that circuit breaker utmost point post 8 divide-shut brake brought simultaneously, effectively prevents the influence that the circuit breaker motion was overshot and is brought.
The bottom of the gas box 1 is provided with a pressure relief flange 22, the pressure relief flange 22 is a thin plate, and a gas release channel of the pressure relief flange 22 is special and isolated from the outside.
Each bus 10 is connected with an expansion sleeve for expansion connection of external equipment, and the expansion sleeve is arranged on the outer wall of the gas box 1 so as to perform outward expansion connection on the gas-insulated intelligent boundary switch equipment to which the device belongs as a basic unit to form a ring network structure.
The expansion sleeve may be provided in the side wall of the gas tank 1.
The electrified bodies are connected by copper bars or copper rods, so that the flatness of an electric field can be improved, and point discharge is avoided.
The bus, the isolating switch, the load switch pole, the wire inlet sleeve, the breaker pole, the wire outlet sleeve and the wire outlet inner cone in the gas-insulated intelligent demarcation switch equipment are integrated in the closed gas box, and the gas box is filled with insulating gas, so that the devices are effectively insulated and isolated from the external environment, and the influence on the devices caused by damp heat, condensation and air pollution due to the change of the external environment is avoided.
Meanwhile, the pressure relief flange is arranged on the gas tank body, high-temperature and high-pressure gas generated by the internal failure of the gas tank is discharged through the pressure relief flange, and the phenomenon that the gas tank is exploded due to the overhigh internal pressure, so that the personal safety of workers is endangered is avoided.
In order that the foregoing is merely a preferred embodiment of the present invention, it should be noted that, for those skilled in the art, various modifications and changes can be made without departing from the technical principle of the present invention, and these modifications and changes should also be construed as the protection scope of the present invention.
Claims (8)
1. The utility model provides a gas tank of gas-insulated intelligence boundary switch equipment which characterized in that:
the gas tank comprises a closed gas tank (1), wherein a bus (10) is arranged in the gas tank (1);
one end of the bus (10) is connected in series with the isolating switch (5), the load switch pole (7) and the wire inlet sleeve (2);
the other end of the bus (10) is connected with a breaker pole (8), one end of the breaker pole (8) is connected with a wire outlet sleeve (11), and the other end of the breaker pole (8) is connected with a wire outlet inner cone (13);
the isolating switch (5), the load switch pole (7) and the breaker pole (8) are respectively provided with an operating mechanism, and each operating mechanism is arranged on the outer wall of the gas tank (1);
insulating gas is filled in the gas box (1);
the air box (1) is provided with a pressure relief flange (22);
the bus (10) is connected with an expansion sleeve for expansion connection of external equipment, and the expansion sleeve is arranged on the outer wall of the air box (1).
2. The gas-insulated intelligent demarcation switchgear gas tank of claim 1, characterized in that:
the load switch pole (7) and the breaker pole (8) are identical in structure.
3. The gas-insulated intelligent demarcation switchgear gas tank of claim 1, characterized in that:
the isolating switch (5) comprises an isolating movable knife, an isolating static knife and an isolating grounding part;
the isolation moving knife is a rotary conductive piece, and the isolation moving knife and the isolation static knife are arranged concentrically;
and the operating mechanism of the isolating switch (5) is in transmission connection with the main shaft of the isolating switch (5) and is used for driving the main shaft of the isolating switch (5) to rotate to realize switching on and switching off.
4. The gas-insulated intelligent demarcation switchgear gas tank of claim 3, characterized in that:
the isolating movable knife comprises two oval movable blades (26) which are arranged in bilateral symmetry, and a movable knife limiting plate (27) is arranged between the two movable blades (26).
5. The gas-insulated intelligent demarcation switchgear gas tank of claim 1, characterized in that: the two ends of the breaker pole (8) are connected through copper parts, and the exposed electrified part of the breaker pole (8) adopts a circular voltage equalizing part or an oblate feeder line.
6. The gas-insulated intelligent demarcation switchgear gas tank of claim 1, characterized in that: the insulating gas is nitrogen, dry air or SF 6.
7. The gas-insulated intelligent demarcation switchgear gas tank of claim 1, characterized in that: the box welding of gas tank (1) takes shape, gas tank (1) sets up barometer (18) that are used for monitoring inside atmospheric pressure and the humidity indicator who is used for monitoring inside humidity.
8. The gas-insulated intelligent demarcation switchgear gas tank of claim 1, characterized in that:
the isolating switch is a three-position isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111127228.3A CN113690785B (en) | 2021-09-26 | 2021-09-26 | Gas-insulated intelligent demarcation switchgear gas tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111127228.3A CN113690785B (en) | 2021-09-26 | 2021-09-26 | Gas-insulated intelligent demarcation switchgear gas tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113690785A true CN113690785A (en) | 2021-11-23 |
| CN113690785B CN113690785B (en) | 2024-04-26 |
Family
ID=78587135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111127228.3A Active CN113690785B (en) | 2021-09-26 | 2021-09-26 | Gas-insulated intelligent demarcation switchgear gas tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113690785B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009018239U1 (en) * | 2009-06-12 | 2011-06-01 | Abb Technology Ag | Switching device with dielectric insulation medium |
| CN105633849A (en) * | 2014-10-27 | 2016-06-01 | 江苏华厦电力成套设备有限公司 | SF6 insulating vacuum boundary switch cabinet |
| CN205657374U (en) * | 2016-04-19 | 2016-10-19 | 珠海航天科创实业有限公司 | Solid insulation boundary switch cabinet |
| CN205944876U (en) * | 2016-08-17 | 2017-02-08 | 浙江开盛电气有限公司 | Empty gas insulated formula vacuum looped netowrk cabinet |
| CN109950825A (en) * | 2019-04-25 | 2019-06-28 | 上海巴佩开关设备有限公司 | A kind of Cubicle Gas-Insulated Switchgear of gas tank structure up and down |
-
2021
- 2021-09-26 CN CN202111127228.3A patent/CN113690785B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009018239U1 (en) * | 2009-06-12 | 2011-06-01 | Abb Technology Ag | Switching device with dielectric insulation medium |
| CN105633849A (en) * | 2014-10-27 | 2016-06-01 | 江苏华厦电力成套设备有限公司 | SF6 insulating vacuum boundary switch cabinet |
| CN205657374U (en) * | 2016-04-19 | 2016-10-19 | 珠海航天科创实业有限公司 | Solid insulation boundary switch cabinet |
| CN205944876U (en) * | 2016-08-17 | 2017-02-08 | 浙江开盛电气有限公司 | Empty gas insulated formula vacuum looped netowrk cabinet |
| CN109950825A (en) * | 2019-04-25 | 2019-06-28 | 上海巴佩开关设备有限公司 | A kind of Cubicle Gas-Insulated Switchgear of gas tank structure up and down |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113690785B (en) | 2024-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202159923U (en) | Intelligent inflatable high-voltage vacuum switch cabinet for metros | |
| CN201541081U (en) | Monopole railway cabinet type gas insulated switch device | |
| CN110048335A (en) | A kind of switchgear | |
| CN113690785A (en) | Gas tank of gas-insulated intelligent demarcation switch equipment | |
| CN109950825A (en) | A kind of Cubicle Gas-Insulated Switchgear of gas tank structure up and down | |
| CN109962426A (en) | A kind of Cubicle Gas-Insulated Switchgear | |
| CN212114724U (en) | 10kV fixed AC ice melting device | |
| CN204905168U (en) | Be used for superconductive current -limiting formula direct current breaker | |
| CN209748046U (en) | Three-station isolating switch and gas tank of gas insulated metal-enclosed switchgear | |
| CN209748042U (en) | Gas-insulated metal-enclosed switchgear with upper and lower gas box structures | |
| CN209748045U (en) | Gas-insulated metal-enclosed switchgear | |
| CN208461317U (en) | All insulation type voltage transformer GIS cabinet | |
| CN210514508U (en) | GIS cable equipment | |
| CN113783134A (en) | Three-phase common-cylinder type gas-insulated metal-enclosed switch cabinet | |
| CN218828751U (en) | Gas insulation box type partitioning device | |
| CN218334992U (en) | 10kVGIS switch cabinet | |
| CN204905742U (en) | Middling pressure looped netowrk vacuum circuit breaker cabinet | |
| CN218448956U (en) | Layout-compact prefabricated substation and power generation system | |
| CN203278083U (en) | Miniature circuit breaker cabinet | |
| CN220107590U (en) | Switching device and wind power system | |
| CN216625098U (en) | Environment-friendly gas-insulated intelligent boundary inflatable switch cabinet | |
| CN211266245U (en) | Medium-voltage switch cabinet using main loop for phase change | |
| CN213717355U (en) | 35kV high-voltage spacing structure for combined box transformer substation | |
| CN215989980U (en) | Three-phase common-cylinder type gas-insulated metal-enclosed switch cabinet | |
| CN217882570U (en) | Inflatable cabinet structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |