CN212784515U - Offshore pressure boosting system SF6Gas-filled cabinet - Google Patents
Offshore pressure boosting system SF6Gas-filled cabinet Download PDFInfo
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- CN212784515U CN212784515U CN202021648475.9U CN202021648475U CN212784515U CN 212784515 U CN212784515 U CN 212784515U CN 202021648475 U CN202021648475 U CN 202021648475U CN 212784515 U CN212784515 U CN 212784515U
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Abstract
The utility model discloses a marine system SF that steps up6Aerify cabinet, including low-pressure chamber, operating device room, cable chamber and aerify the compartment, aerify and be provided with in the compartment and seal utmost point post admittedly, the operation main shaft, gu seal utmost point post vertically to install, gu be provided with the isolator stationary contact on sealing the utmost point post, be provided with the isolation switch on the operation main shaft, the isolation switch just can be connected with the isolator stationary contact with the parallelly mounted of solid utmost point post of sealing, low-pressure chamber, operating device room, cable chamber and aerify the compartment all adoptIndependent sealed casings, the surface of each sealed casing all is provided with the anti-corrosion coating. The solid-sealed polar pole is longitudinally arranged, the isolating switch static contact is arranged on the solid-sealed polar pole, the isolating switch and the solid-sealed polar pole are installed in parallel, the internal structure of the inflatable compartment can be reduced, the size of the inflatable compartment is reduced, the inflatable cabinet is divided into a plurality of compartments, different compartments are respectively sealed and subjected to anti-corrosion treatment, the reliability of the inflatable cabinet is improved, and the inflatable cabinet is suitable for the offshore severe environment.
Description
Technical Field
The utility model relates to a power equipment technical field, in particular to marine system SF that steps up6An air-filled cabinet.
Background
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission and electric energy conversion of an electric power system. With the development of technology, gas-filled cabinets began to appear and became the mainstream switch cabinet. Inflation cabinet SF with low pressure6The gas or other insulating gases are used as main insulating media to completely seal high-voltage primary elements such as a circuit breaker or a load switch, a three-position isolating/grounding switch, a branch bus and the like in an independent stainless steel gas box so as to ensure the insulating property of the switch equipment. As a new generation of switch equipment, the inflatable cabinet has the characteristics of compact structure, flexible operation, reliable interlocking and the like.
However, since the circuit breaker, the disconnecting switch and other key devices are integrated in a closed space environment, the operation status of the key devices in the cabinet, especially the possible faults of the key devices, cannot be known in time. Considering special environmental factors at sea, the working condition of the whole power distribution network can be directly influenced by a large probability, and a large influence is caused.
Along with the development of power equipment towards high capacity and high power, the capacity of a power system is integrally upgraded, the magnitude requirement of the power system on a switch cabinet is higher, and the characteristics of severe environments such as multiple sea waves, large vibration, moist environment, strong seawater salt mist corrosion and the like are considered, the gas-filled switchgear is arranged in the working environment for a long time, the gas-filled switchgear needs to have higher reliability, otherwise the gas-filled switchgear cannot adapt to the severe sea environment for a long time, and the integral service life of the switch cabinet is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a marine system SF that steps up6Aerify the cabinet, compact structure just can adapt to marine environment.
According to the utility model discloses marine system SF that steps up6An inflatable cabinet comprising a low pressure chamber; an operating mechanism chamber arranged below the low-pressure chamber and internally provided with a breaker switch; the cable chamber is arranged below the operating mechanism chamber, and a cable and a grounding bus connected with the cable are arranged in the cable chamber; aerify the compartment, set up in one side of operating device room and be located the top of cable chamber, it seals utmost point post, operation main shaft, inlet wire sleeve pipe and outlet sleeve pipe admittedly to aerify to be provided with in the compartment, gu seal the vertical installation of utmost point post, gu be provided with the isolator stationary contact on sealing utmost point post, be provided with the isolation switch on the operation main shaft, the isolation switch with gu seal utmost point post parallel mount and can with the isolator stationary contact is connected, the first end of operation main shaft extends to the operating device room and with the circuit breaker transmission is connected, the first end of operation main shaft just is located the operating device room with aerify the juncture of compartment and be provided with the dynamic seal, inlet wire sleeve's first end through branch generating line with gu seal utmost point post's lower terminal connection, inlet wire sleeve's second end extends to the cable chamber and with the cable is connected, the first end of the wire outlet sleeve is connected with the upper wiring end of the solid-sealed polar pole, the second end of the wire outlet sleeve extends out of the inflatable compartment, and a pressure release valve is arranged at the bottom of the inflatable compartment; wherein the low pressure chamber, the operating mechanism chamber,The cable chamber and the inflation compartment are respectively provided with a relatively independent sealing shell, and the outer surface of each sealing shell is provided with an anti-corrosion layer.
According to the utility model discloses marine system SF that steps up6Aerify the cabinet, have following beneficial effect at least:
the solid-sealed polar pole is longitudinally arranged, the isolating switch static contact is arranged on the solid-sealed polar pole, the isolating switch and the solid-sealed polar pole are installed in parallel, the internal structure of the inflatable compartment can be reduced, the size of the inflatable compartment is reduced, the total volume of the inflatable cabinet is reduced, the inflatable cabinet is divided into a plurality of compartments, different compartments are sealed and subjected to anti-corrosion treatment respectively, the improvement of the reliability of the inflatable cabinet is facilitated, and the inflatable cabinet is suitable for the offshore severe environment.
According to some embodiments of the present invention, the seal housing is formed by welding stainless steel plates.
According to some embodiments of the utility model, the welding department spraying of sealed casing has silver paint.
According to some embodiments of the present invention, the low pressure chamber and the sealing housing of the operating mechanism chamber are all provided with an outer door, and the edge of the outer door is provided with a sealing ring.
According to some embodiments of the invention, a transparent protective panel is further provided on the low pressure chamber and/or the sealed housing of the operating mechanism chamber.
According to some embodiments of the utility model, be provided with the IED device in the low-pressure chamber, the IED device electric connection has at least one of voltage detection module, current detection module, gas density detection module, temperature detection module and micro-gap switch.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a marine booster system SF according to an embodiment of the present invention6One of the left views of the internal structure of the gas-filled cabinet;
FIG. 2 is the offshore boosting system SF shown in FIG. 16A rear view of an inflatable compartment of the inflatable cabinet;
fig. 3 shows a pressure boosting system SF at sea according to an embodiment of the present invention6One of the left views of the internal structure of the gas-filled cabinet;
FIG. 4 is the offshore boosting system SF shown in FIG. 36The low-pressure chamber of the gas-filled cabinet is schematically structured.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, the present embodiment discloses an offshore boosting system SF6The inflatable cabinet comprises a low-pressure chamber 100, an operating mechanism chamber 200, a cable chamber 300 and an inflatable compartment 400, wherein the operating mechanism chamber 200 is arranged below the low-pressure chamber 100, a breaker switch 210 is arranged inside the operating mechanism chamber 200, the cable chamber 300 is arranged below the operating mechanism chamber 200, a cable 310 and a grounding bus 320 connected with the cable 310 are arranged inside the cable chamber 300, the inflatable compartment 400 is arranged on one side of the operating mechanism chamber 200 and located above the cable chamber 300, and the inflatable compartment 400 is filled with SF6It is gaseous, be provided with in the compartment 400 and seal utmost point post 410 admittedly, operation main shaft 420, inlet wire sleeve 430 and outlet wire sleeve 440 admittedly, gu seal utmost point post 410 and operation main shaft 420 all install on an integrated frame 470, gu seal utmost point post 410 vertically installs, gu be provided with isolator stationary contact 411 on sealing utmost point post 410 admittedly, be provided with isolation switch 421 on the operation main shaft 420, isolation switch 421 with gu seal utmost point post 410 parallel mount and can be connected with isolator stationary contact 411, can reduce the inner structure that aerifys compartment 400 compacter, be favorable to dwindling the volume of aerifing compartment 400, thereby reduce the total volume of aerifing the cabinet, realize miniaturized design. The first end of the operation main shaft 420 extends to the operation mechanism chamber 200 and is in transmission connection with the breaker switch 210, the breaker switch 210 can drive the operation main shaft 420 to rotate, thereby driving the isolation switch 421 to rotate, and further realizing the connection or separation of the isolation switch 421 and the isolation switch stationary contact 411, the first end of the operation main shaft 420 and the junction between the operation mechanism chamber 200 and the inflation compartment 400 are provided with the dynamic seal 450, the air leakage at the connection between the operation main shaft 420 and the operation mechanism chamber 200 can be avoided, and the improvement of the sealing performance of the inflation compartment 400 is facilitated. The first end of the wire inlet sleeve 430 is connected with the lower terminal of the solid-sealed polar pole 410 through the branch bus 431, the second end of the wire inlet sleeve 430 extends to the cable chamber 300 and is connected with the cable 310, the first end of the wire outlet sleeve 440 is connected with the upper terminal of the solid-sealed polar pole 410, the second end of the wire outlet sleeve 440 extends out of the inflatable compartment 400, and the inflatable compartment 400 is inflatedA pressure relief valve 460 is arranged at the bottom of the compartment 400, the pressure relief valve 460 is communicated with a pressure relief channel 461 for filling SF in the compartment 400 with air6The gas is collected to avoid random discharge to pollute the environment. The low-pressure chamber 100, the operating mechanism chamber 200, the cable chamber 300 and the inflating compartment 400 are all relatively independent sealed shells, and an anti-corrosion layer is arranged on the outer surface of each sealed shell, so that the reliability of the inflating cabinet is improved, and the inflating cabinet is suitable for the severe marine environment.
Compared with the conventional onshore environment, the offshore environment has more water vapor, more salt and strong acidity, and has stronger corrosion capability. In order to improve the corrosion resistance of the sealing shell, the sealing shell is formed by welding stainless steel plates. In some embodiments, the sealed housing of the plenum chamber 400 is welded by using 304 stainless steel plates, the 304 stainless steel plates have good corrosion resistance, while the housings of the low pressure chamber 100, the operating mechanism chamber 200 and the cable chamber 300 are made of galvanized plates with low cost, and in order to further improve the corrosion resistance, the core components inside the low pressure chamber 100, the operating mechanism chamber 200 and the cable chamber 300 can be made of steel, and a galvanized layer is plated on the surface of the core components, thereby improving the corrosion resistance of the core components.
In some embodiments, for the sealing shell made of the stainless steel plate, the silver paint is sprayed on the welding position of the sealing shell, so that the appearance can be beautified.
Referring to fig. 3 and 4, since components in the low pressure chamber 100 or the operating mechanism chamber 200 need to be operated during the operation of the gas insulated switchgear, in order to facilitate the operation and prevent the components in the low pressure chamber 100 and the operating mechanism chamber 200 from being exposed to moisture for a long time, the outer doors 110 are disposed on the sealing housings of the low pressure chamber 100 and the operating mechanism chamber 200, and a sealing ring (not shown) is disposed at the inner edge of each of the outer doors 110, so that when the outer doors 110 are closed, the sealing ring can seal gaps of the outer doors 110 to reduce moisture entering the low pressure chamber 100 and the operating mechanism chamber 200.
In order to further reduce the influence of moisture on the components in the low pressure chamber 100 and the operating mechanism chamber 200, a transparent protective panel (not shown) is further disposed on the sealed housing of the low pressure chamber 100 and/or the operating mechanism chamber 200, and the protective panel is mounted on the indicating component, so that the protective panel can block moisture to some extent and is convenient for human eyes to observe.
To facilitate understanding of the operation of the inside of the gas-filled cabinet, an IED (Intelligent Electronic Device) Device is provided in the low-voltage chamber 100, and includes one or more processors, and any Device that receives and transmits data from or controls an external source, i.e., an Electronic multifunctional meter, microcomputer protection, controller, and an entity capable of performing one or more logical contact tasks within the range defined by the interface under a specific environment. The IED device is electrically connected with at least one of a voltage detection module, a current detection module 330, a gas density detection module 480, a temperature detection module and a microswitch, the voltage detection module is used for monitoring the voltage condition of a secondary circuit, realizing line protection and preventing the occurrence of conditions such as overcurrent, the current detection module 330 adopts a through current transformer, the current detection module 330 is arranged on a cable 310 in a cable chamber 300 and can realize the current measurement function, the gas density detection module 480 adopts a gas density monitoring meter and is used for detecting the gas density in an inflation compartment 400 and alarming when the gas density of the inflation compartment 400 is lower than a threshold value so as to avoid the influence of the too low gas density on the insulation degree, the temperature detection module is used for monitoring the temperature in the operating mechanism chamber 200 and ensuring that the temperature of the operating mechanism chamber 200 is within a safe threshold value range, the micro switches are installed on each action mechanism of the breaker switch 210 and used for detecting whether the breaker switch 210 can complete opening and closing actions, so that the running condition in the gas-filled cabinet can be known in time, running faults can be found in time, and emergency treatment measures can be taken.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. Offshore pressure boosting system SF6InflationA cabinet, characterized in that, comprising:
a low pressure chamber (100);
an operating mechanism chamber (200) which is arranged below the low-pressure chamber (100) and is internally provided with a breaker switch (210);
a cable chamber (300) provided below the operating mechanism chamber (200), and having a cable (310) and a ground bus (320) connected to the cable (310) provided therein;
an inflation compartment (400) which is arranged on one side of the operating mechanism chamber (200) and is positioned above the cable chamber (300), wherein a solid-sealed polar pole (410), an operating main shaft (420), a wire inlet sleeve (430) and a wire outlet sleeve (440) are arranged in the inflation compartment (400), the solid-sealed polar pole (410) is longitudinally installed, an isolating switch stationary contact (411) is arranged on the solid-sealed polar pole (410), an isolating knife switch (421) is arranged on the operating main shaft (420), the isolating knife switch (421) and the solid-sealed polar pole (410) are installed in parallel and can be connected with the isolating switch stationary contact (411), a first end of the operating main shaft (420) extends to the operating mechanism chamber (200) and is in transmission connection with the circuit breaker switch (210), and a dynamic seal (450) is arranged at the junction of the operating mechanism chamber (200) and the inflation compartment (400), the first end of the wire inlet sleeve (430) is connected with the lower wiring end of the solid-sealed polar pole (410) through a branch bus (431), the second end of the wire inlet sleeve (430) extends to the cable chamber (300) and is connected with the cable (310), the first end of the wire outlet sleeve (440) is connected with the upper wiring end of the solid-sealed polar pole (410), the second end of the wire outlet sleeve (440) extends out of the inflatable compartment (400), and a pressure release valve (460) is arranged at the bottom of the inflatable compartment (400);
wherein the low-pressure chamber (100), the operating mechanism chamber (200), the cable chamber (300) and the inflation compartment (400) are all relatively independent sealed shells, and the outer surface of each sealed shell is provided with an anti-corrosion layer.
2. Offshore boosting system SF according to claim 16The inflatable cabinet is characterized in that the sealing shell is welded by stainless steel platesAnd (4) preparing the composition.
3. Offshore booster system SF according to claim 1 or 26The inflatable cabinet is characterized in that silver paint is sprayed on the welding position of the sealing shell.
4. Offshore boosting system SF according to claim 16The inflatable cabinet is characterized in that outer doors (110) are arranged on the sealing shells of the low-pressure chamber (100) and the operating mechanism chamber (200), and sealing rings are arranged at the edges of the outer doors (110).
5. Offshore boosting system SF according to claim 46The inflatable cabinet is characterized in that a transparent protective panel is further arranged on the sealed shell of the low-pressure chamber (100) and/or the operating mechanism chamber (200).
6. Offshore boosting system SF according to claim 16The gas-filled cabinet is characterized in that an IED device is arranged in the low-pressure chamber (100), and the IED device is electrically connected with at least one of a voltage detection module, a current detection module (330), a gas density detection module (480), a temperature detection module and a microswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021648475.9U CN212784515U (en) | 2020-08-10 | 2020-08-10 | Offshore pressure boosting system SF6Gas-filled cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021648475.9U CN212784515U (en) | 2020-08-10 | 2020-08-10 | Offshore pressure boosting system SF6Gas-filled cabinet |
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| Publication Number | Publication Date |
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| CN212784515U true CN212784515U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021648475.9U Active CN212784515U (en) | 2020-08-10 | 2020-08-10 | Offshore pressure boosting system SF6Gas-filled cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934234A (en) * | 2020-08-10 | 2020-11-13 | 广东明阳电气有限公司 | Inflatable cabinet of marine boosting system |
| CN113113821A (en) * | 2021-04-02 | 2021-07-13 | 广东明阳电气股份有限公司 | Middle-high voltage rotary transmission conductive gas insulation equipment |
-
2020
- 2020-08-10 CN CN202021648475.9U patent/CN212784515U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111934234A (en) * | 2020-08-10 | 2020-11-13 | 广东明阳电气有限公司 | Inflatable cabinet of marine boosting system |
| CN111934234B (en) * | 2020-08-10 | 2024-06-18 | 广东明阳电气股份有限公司 | Offshore boosting system inflatable cabinet |
| CN113113821A (en) * | 2021-04-02 | 2021-07-13 | 广东明阳电气股份有限公司 | Middle-high voltage rotary transmission conductive gas insulation equipment |
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