CN115706395A - Light-duty single main marine booster station that exchanges that becomes - Google Patents
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- CN115706395A CN115706395A CN202110889768.9A CN202110889768A CN115706395A CN 115706395 A CN115706395 A CN 115706395A CN 202110889768 A CN202110889768 A CN 202110889768A CN 115706395 A CN115706395 A CN 115706395A
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Abstract
The invention provides an alternating-current offshore booster station with a light single main transformer, which comprises a single main transformer, gas insulation switch equipment, a 66kV switch cabinet, a transformer for a grounding transformer and a high-voltage reactor; the alternating-current offshore booster station comprises three layers of decks arranged from bottom to top, each deck consists of a plurality of functional rooms, the single main transformer is arranged in a main transformer room of the alternating-current offshore booster station, the gas insulation switch equipment is arranged in a high-voltage GIS power distribution device room, the high-voltage reactor is arranged in a high-voltage reactor room, and the 66kV switch cabinet and the transformer for the grounding transformer substation are both arranged in the 66kV switch cabinet room; the invention reduces unnecessary electrical equipment by optimizing electrical wiring, so that the space layout of the AC offshore booster station is compact and light.
Description
Technical Field
The invention relates to the field of offshore wind power generation, in particular to an alternating-current offshore booster station with a light single main transformer.
Background
The offshore booster station is the heart of an offshore wind farm, has the function of increasing the voltage level at sea, and can effectively reduce the loss of electric energy transmitted from the sea to an onshore power grid.
At the initial stage of offshore wind power development in China, factors such as convenience of personnel on duty, convenience of equipment operation and maintenance, sufficient charged distance and the like are considered, an inner corridor and a temporary rest room are arranged in most offshore booster stations, and certain margin spaces are reserved in all cabins of the offshore booster stations. In addition, in consideration of safety, the insulation margin of domestic power equipment is large, resulting in a large required cabin space.
However, with the domestic times of subsidy of offshore wind power and flat price on-line, it is very important from the economic point of view to design a lightweight offshore booster station. First, the lightweight offshore booster station is smaller and lighter, which can reduce manufacturing costs and shorten construction periods. Secondly, the lighter the offshore booster station is, the more ships can be matched with the offshore booster station in hoisting, and the lower the hoisting cost is.
Along with the fact that the maturity and reliability of domestic alternating-current offshore wind power electrical equipment are higher and higher, the improvement and optimization of the design concept enable the reduction of the construction cost and the construction period of the alternating-current offshore booster station to be feasible. At present, in the prior art, a scheme for lightening an alternating current offshore booster station does not exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an alternating-current offshore booster station with a light single main transformer. The invention reduces unnecessary electrical equipment by optimizing electrical wiring, so that the spatial layout of the AC offshore booster station is compact and light.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides an exchange marine booster station of light-duty single main transformer which characterized in that: the transformer comprises a single main transformer, gas insulated switchgear, a 66kV switch cabinet, a grounding transformer and station transformer and a high-voltage reactor;
the alternating-current offshore booster station comprises three layers of decks arranged from bottom to top, the single main transformer is arranged in a main transformer chamber of the alternating-current offshore booster station, the gas insulation switch equipment is arranged in a high-voltage GIS power distribution device chamber, the high-voltage reactor is arranged in a high-voltage reactor chamber, and the 66kV switch cabinet and the grounding transformer station transformer are both arranged in a 66kV switch cabinet chamber;
the high-voltage GIS power distribution device chamber and the high-voltage reactor chamber occupy a multilayer deck in the height direction, and the 66kV switch cabinet chamber is arranged on the other side of the main transformer chamber;
the high-voltage side of the main transformer is in a direct grounding mode, and the high-voltage reactor is connected with the gas insulated switchgear through the gas insulated pipeline bus;
each section of 66kV bus of the 66kV switch cabinet is provided with a variable inlet cabinet for grounding and station changing, a main transformer inlet cabinet and a plurality of fan inlet cabinets, and the AC offshore booster station is provided with 1 section or 2 sections of 66kV buses and adopts single bus wiring according to the capacity of the wind power plant and the number of low-voltage windings of a main transformer.
Further: the main transformer or the high-voltage reactor is connected with one end of a gas insulation pipeline bus, and the other end of the gas insulation pipeline bus penetrates through the bulkhead of the high-voltage GIS power distribution unit chamber to be connected with the gas insulation switch equipment.
And further: a66 kV submarine cable leading-up area is arranged below a 66kV switch cabinet chamber in an open mode, the 66kV submarine cable penetrates through a bottom deck of the offshore booster station to reach the 66kV submarine cable leading-up area, and is led up to a middle layer of the 66kV switch cabinet chamber to be connected into a 66kV switch cabinet.
Further: the high-voltage submarine cable is characterized in that a high-voltage submarine cable vertical leading-up area is arranged under a submarine cable leading-in spacing sleeve in a high-voltage GIS distribution device room, the high-voltage submarine cable penetrates through a bottom deck of the offshore booster station and is vertically led up to a GIS submarine cable leading-in spacing sleeve of a middle-layer high-voltage GIS distribution device room, the high-voltage submarine cable is fixed on the bottom deck through an anchoring device, and the high-voltage submarine cable is not provided with a turning path section in the AC offshore booster station.
Further: set up communication relay protection room on exchanging marine booster station top layer deck, communication relay protection room and 66kV cubical switchboard room are in exchanging marine booster station with one side setting, set up secondary screen cabinet and combination platform in the communication relay protection room, 66kV cubical switchboard and secondary screen cabinet are respectively at 66kV cubical switchboard room and communication relay protection indoor wall arrangement, all reserve ventilation cooling and maintenance space behind 66kV cubical switchboard, the secondary screen cabinet, leave operating space before 66kV cubical switchboard, the secondary screen cabinet.
And further: the standby emergency power supply is arranged in a standby power supply chamber, the standby power supply chamber and the 66kV switch cabinet chamber are arranged on the same side of the AC offshore booster station, the standby emergency power supply is an energy storage battery system or a diesel generator set, and the battery system comprises an energy storage battery cluster, a confluence cabinet, a battery control cabinet, a converter, an isolation main transformer and a wire inlet cabinet.
And further: the heating ventilation machine room and the water pump room are arranged on the bottom layer clamping plate of the alternating-current offshore booster station, the heating ventilation machine room and the water pump room are arranged on the same side of the alternating-current offshore booster station as the high-voltage GIS power distribution device room, and the water pump room is only internally provided with the water mist water tank and the water pump for fire fighting.
And further: the main transformer chamber, the high-voltage GIS power distribution device chamber and the high-voltage reactor chamber are located at a middle-layer deck of the AC offshore booster station, positions corresponding to a top-layer deck are arranged in an open mode, and a main transformer chamber overhead, a high-voltage GIS power distribution device chamber overhead and a high-voltage reactor chamber overhead are formed on the top-layer deck respectively.
And further: a first storage battery chamber and a second storage battery chamber are arranged on a top deck of the AC offshore booster station, the first storage battery chamber and the main transformer chamber are arranged on the same side of the AC offshore booster station, and the second storage battery chamber and the 66kV switch cabinet chamber are arranged on the same side of the AC offshore booster station.
Further: a low-voltage distribution room is arranged between the standby power supply room and the 66kV switch cabinet room; set up emergent electricity distribution room on exchanging marine booster station middle level splint, emergent electricity distribution room sets up with high-voltage GIS distribution device room in exchanging marine booster station same one side.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the invention, a 66kV AC current collector is connected to the offshore booster station, and electrical wiring is simplified as much as possible under the condition of meeting the requirement of sending out electric energy of an offshore wind farm, so that electrical equipment is reduced. Secondly, the size and weight of the offshore booster station are compressed by compacting the cabins and eliminating unnecessary cabins, so that the offshore booster station is light in weight. Effectively compress the construction cost and the construction period of the wind power plant, and have remarkable economic benefit.
Drawings
FIG. 1 is a one-level floor plan of the present invention;
FIG. 2 is a two-level floor plan of the present invention;
FIG. 3 is a three-level floor plan of the present invention;
fig. 4 is a drawing of a high-pressure sea cable according to the invention.
Reference numerals: 101-heating and ventilating machine room; 102-a water pump house; 103-a high-pressure submarine cable vertical lead-up area; a 104-66kV submarine cable leading-up area; 201-a main transformer chamber; 202-high voltage GIS switchgear room; 203-spare power supply room; 204-66kV switch cabinet chamber; 205-low voltage distribution room; 206-emergency distribution room; 207-high voltage reactor chamber; 208-an anchoring device; 209-high voltage submarine cable; 301, the main transformer chamber is arranged above; 302-high voltage GIS distribution equipment room is overhead; 303, leaving the high-voltage reactor chamber above; 304-a first battery compartment; 305-a second battery compartment; 306-communication relay room.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with the specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention.
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
As shown in fig. 1 to 4, an ac offshore booster station with a light single main transformer comprises a single main transformer, a gas insulated switchgear, a 66kV switch cabinet, a transformer for grounding and substation use, and a high-voltage reactor;
the alternating-current offshore booster station comprises three layers of decks arranged in the height direction, each deck consists of a plurality of functional rooms, the single main transformer is arranged in a main transformer chamber 201 of the alternating-current offshore booster station, and the main transformer chamber 201 is 10m high; the gas insulation switch equipment is arranged in the high-voltage GIS power distribution device room 202, the wiring form of the gas insulation switch equipment in the high-voltage GIS power distribution device room 202 is 1 group of line-to-group wiring, the width of an indoor patrol walkway is not less than 1000mm, the width of a main passageway close to the side of a circuit breaker is 2000-3500 mm, and the specification requirement is met; the high-voltage reactor is arranged in the high-voltage reactor chamber 207, the 66kV switch cabinet and the grounding transformer and station transformer are both arranged in the 66kV switch cabinet chamber 204, the 66kV switch cabinet chamber 204 is also internally provided with a small resistance cabinet and a secondary local control cabinet, the secondary local control cabinet is arranged to facilitate secondary wiring of the switch cabinet, and the room of the 66kV switch cabinet chamber 204 is 5m high;
the main transformer chamber 201 is arranged in the middle of the AC offshore booster station, the high-voltage GIS power distribution device chamber 202 and the high-voltage reactor chamber 207 are arranged on one side of the main transformer chamber 201 side by side, the high-voltage GIS power distribution device chamber 202 and the high-voltage reactor chamber 207 occupy a multilayer deck in the height direction, and the 66kV switch cabinet chamber 204 is arranged on the other side of the main transformer chamber 201;
the main transformer and the gas insulated switchgear are connected by a line main transformer bank, the main transformer and the gas insulated switchgear are connected by a gas insulated pipeline bus, the high-voltage side of the main transformer adopts a direct grounding mode, no neutral point complete equipment is arranged in a cabin of a main transformer chamber 201, so that the cabin is further compacted, the high-voltage reactor and the gas insulated switchgear are connected by the gas insulated pipeline bus, and the gas insulated pipeline bus does not need to consider live distance and electromagnetic interference;
each section of 66kV bus of the 66kV switch cabinet is provided with a variable incoming cabinet for grounding and station changing, a main transformer incoming cabinet and a plurality of fan incoming cabinets, and the AC offshore booster station is provided with 1 section or 2 sections of 66kV buses and adopts single bus wiring according to the capacity of a wind power plant and the number of low-voltage windings of a main transformer.
The main transformer or the high-voltage reactor is connected with one end of a gas insulated pipeline bus, the other end of the gas insulated pipeline bus penetrates through the bulkhead of the high-voltage GIS power distribution unit chamber 202 to be connected with gas insulated switchgear, and the gas insulated pipeline bus is transversely arranged in the AC offshore booster station
A66 kV submarine cable leading-up area is arranged below the 66kV switch cabinet 204 in an open mode, the 66kV submarine cable penetrates through a bottom deck of the offshore booster station to reach the 66kV submarine cable leading-up area, and the 66kV switch cabinet 204 is connected into the 66kV switch cabinet from the upper layer to the middle layer.
The high-voltage submarine cable 209 is vertically led up to the area under the submarine cable inlet wire spacing sleeve in the high-voltage GIS distribution device room 202, the high-voltage submarine cable 209 penetrates through the bottom deck of the offshore booster station and is vertically led up to the GIS submarine cable inlet wire spacing sleeve of the middle-layer high-voltage GIS distribution device room 202, the high-voltage submarine cable 209 is fixed on the bottom deck through the anchoring device 208, and the high-voltage submarine cable 209 does not have a turning path section in the AC offshore booster station.
The communication relay protection room 306 is arranged on a top deck of the AC marine booster station, the communication relay protection room 306 and the 66kV switch cabinet room 204 are arranged on the same side of the AC marine booster station, a secondary screen cabinet and a combined table are arranged in the communication relay protection room 306, the 66kV switch cabinet and the secondary screen cabinet are respectively arranged in the 66kV switch cabinet room 204 and the communication relay protection room 306 close to the wall, ventilation, heat dissipation and maintenance spaces are reserved behind the 66kV switch cabinet and the secondary screen cabinet, operation spaces are reserved in front of the 66kV switch cabinet and the secondary screen cabinet, and all wiring and debugging are completed in front of the cabinets.
Alternating current marine booster station sets up reserve emergency power source, reserve emergency power source sets up in reserve power supply room 203, reserve power supply room 203 size is 9.75m 6.6m, high 5m, reserve power supply room 203 sets up with 66kV cubical switchboard room 204 in the same side of alternating current marine booster station, reserve emergency power source is energy storage battery system or diesel generating set, battery system includes energy storage battery cluster, the cabinet that converges, the battery control cabinet, the converter, keep apart the main transformer, the inlet wire cabinet. The energy storage battery is generally a lithium iron phosphate battery, and the capacity and the discharge time of the energy storage battery are determined according to the emergency load capacity, the duration, the system efficiency, the discharge depth and the like.
Set up warm logical computer lab 101 and water pump room 102 on exchanging marine booster station bottom splint, warm logical computer lab 101 and water pump room 102 and high-pressure GIS distribution device room 202 are exchanging marine booster station with one side setting, only set up in the water pump room 102 and use thin water smoke water tank and water pump for the fire control, no longer set up the life water tank and the life water pump that supply personnel to watch on the use, and the room height is 3.5m. All heating and ventilation equipment is arranged in the heating and ventilation machine room 101, and the room height is 4.0m.
The main transformer room 201, the high-voltage GIS power distribution device room 202 and the high-voltage reactor room 207 are located at a middle layer deck of the AC offshore booster station, the positions of the main transformer room 201, the high-voltage GIS power distribution device room 302 and the high-voltage reactor room 207 corresponding to a top deck are arranged in an open mode, and a main transformer room overhead 301, a high-voltage GIS power distribution device room overhead 302 and a high-voltage reactor room overhead 303 are formed on the top deck respectively. A first storage battery chamber 304 and a second storage battery chamber 305 are arranged on a top deck of the AC offshore booster station, the first storage battery chamber 304 and the main transformer chamber 201 are arranged on the same side of the AC offshore booster station, the second storage battery chamber 305 and the 66kV switch cabinet chamber 204 are arranged on the same side of the AC offshore booster station,
a low-voltage distribution room 205 is arranged between the standby power room 203 and the 66kV switch cabinet room 204; set up emergent distribution room 206 on the intermediate level splint of the marine booster station of interchange, emergent distribution room 206 sets up with high-pressure GIS distribution device room 202 in the marine booster station of interchange with one side, 7 low-voltage cabinets in the low-voltage distribution room 205, 5 low-voltage cabinets in the emergent distribution room 206, and the low-voltage cabinet all leans on the wall to place, overhauls before the cabinet, divides the list to arrange.
The invention does not have a temporary rest room for personnel to be on duty, and does not have equipment such as a water storage tank, a sewage treatment system and the like for the life of the personnel. Compared with the traditional offshore booster station, the invention has the advantages that the patrol walkways surrounding all other cabins on the three floors are eliminated except that the patrol walkways are arranged outside the first battery room 304, the second battery room 305 and the communication relay protection room 306 and are mutually independent on the three floors, and the patrol walkways are extended to the vicinity of the entrance of the cabin on the three floors only after the stairs are led to the three floors from the two floors. The invention cancels three-layer to four-layer stairs, only sets up the steel ladder with protective cage, and sets no inner walkway between each cabin of each layer.
According to the invention, a travelling crane for indoor maintenance of the high-voltage GIS distribution device chamber 202 is omitted, and the maintenance hanging cover is only arranged above the cabin of the high-voltage GIS distribution device chamber 202, so that the overall layer height of the high-voltage GIS distribution device chamber 202 is reduced. When a local fault occurs in a high-voltage GIS power distribution device, namely gas insulated switchgear), a roof small crane can be used for hoisting a fault component of the high-voltage GIS power distribution device to a transport ship; when high-voltage GIS distribution device wholly broke down, can wholly hang high-voltage GIS distribution device equipment to the transport ship with the hoist and mount ship, send to the land maintenance base that has better maintenance environment finally.
In this embodiment, the ac offshore booster station with a light single main transformer has a first-layer size of 43.2 mx 26.5 mx 5m, a second-layer size of 47.5 mx 30.7 mx 5m, a third-layer size of 46.3 mx 26.2 mx 5m, and all the above sizes are length × width × height), and the layer heights are distances from floor to floor, and are suitable for an offshore wind farm with an installed capacity of 400MW, compared with the existing ac offshore booster station with an installed capacity of 400MW, 35kV cable access, and a high-voltage reactor, the first-layer size to the third-layer size of 39 mx 39.8 mx 6.5m, 52.1mx 43.9 mx 5m, 52.1mx 43.9 mx 5 m) are respectively reduced by about 38%, the layer height is reduced by about 9.1%, and the weight is reduced by about 28%.
According to the description and the drawings of the invention, a person skilled in the art can easily manufacture or use the light single-main-transformer AC offshore booster station and can produce the positive effects recorded in the invention.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides an exchange marine booster station of light-duty single main transformer which characterized in that: the transformer comprises a single main transformer, gas insulated switchgear, a 66kV switch cabinet, a grounding transformer and station transformer and a high-voltage reactor;
the alternating-current offshore booster station comprises three layers of decks arranged from bottom to top, a single main transformer is arranged in a main transformer chamber (201) of the alternating-current offshore booster station, gas insulation switch equipment is arranged in a high-voltage GIS power distribution device chamber (202), a high-voltage reactor is arranged in a high-voltage reactor chamber (207), and a 66kV switch cabinet and a grounding transformer and station transformer are both arranged in a 66kV switch cabinet chamber (204);
the transformer chamber (201) is arranged in the middle of the AC offshore booster station, the high-voltage GIS power distribution device chamber (202) and the high-voltage reactor chamber (207) are arranged on one side of the transformer chamber (201) side by side, the transformer chamber (201), the high-voltage GIS power distribution device chamber (202) and the high-voltage reactor chamber (207) occupy a multilayer deck in the height direction, and the 66kV switch cabinet chamber (204) is arranged on the other side of the transformer chamber (201);
the high-voltage side of the main transformer is in a direct grounding mode, and the high-voltage reactor is connected with the gas insulated switchgear through the gas insulated pipeline bus;
the power generation of wind power place passes through the 66kV cubical switchboard of 66kV submarine cable access in the marine station that steps up, and every section 66kV generating line of 66kV cubical switchboard sets up one side ground connection and becomes dual purpose station with becoming inlet wire cabinet, one side owner become inlet wire cabinet and a plurality of face fan inlet wire cabinet, exchanges marine station that steps up and sets up 1 section or 2 sections 66kV generating lines to adopt the single bus wiring.
2. The ac offshore booster station of a light weight single main transformer, according to claim 1, wherein: the main transformer or the high-voltage reactor is connected with one end of a gas insulated pipeline bus, and the other end of the gas insulated pipeline bus penetrates through the bulkhead of the high-voltage GIS power distribution unit chamber (202) to be connected with gas insulated switchgear.
3. The ac offshore booster station of a light weight single main transformer, according to claim 1, wherein: a66 kV submarine cable leading-up area (104) is arranged below a 66kV switch cabinet chamber (204) in an open mode, the 66kV submarine cable penetrates through a bottom deck of the offshore booster station to reach the 66kV submarine cable leading-up area (104), and the 66kV switch cabinet chamber (204) which is led up to a middle deck is connected into a 66kV switch cabinet.
4. The ac offshore booster station of a light weight single main transformer, according to claim 1, wherein: open under the sea cable inlet wire interval sleeve in high-pressure GIS distribution device room (202) and set up the vertical district (103) of drawing up of high-pressure sea cable, high-pressure sea cable (209) pass offshore booster station bottom deck to vertically draw up to the GIS sea cable inlet wire interval sleeve department of middle level high-pressure GIS distribution device room (202), high-pressure sea cable (209) are fixed through anchor (208) on the first bottom, high-pressure sea cable (209) do not have the turn path section in exchanging offshore booster station.
5. The ac offshore booster station of a light weight single main transformer, according to claim 1, wherein: set up communication relay protection room (306) on exchanging marine booster station top layer deck, communication relay protection room (306) and 66kV cubical switchboard room (204) set up at exchanging marine booster station same one side, set up secondary screen cabinet and combination platform in communication relay protection room (306), 66kV cubical switchboard and secondary screen cabinet are arranged by the wall in 66kV cubical switchboard room (204) and communication relay protection room (306) respectively, all reserve ventilation cooling and maintenance space behind 66kV cubical switchboard, the secondary screen cabinet, leave operating space before 66kV cubical switchboard, the secondary screen cabinet.
6. The ac offshore booster station of a light weight single main transformer, according to claim 1, wherein: the offshore AC booster station is provided with a standby emergency power supply, the standby emergency power supply is arranged in a standby power supply chamber (203), the standby power supply chamber (203) and a 66kV switch cabinet chamber (204) are arranged on the same side of the offshore AC booster station, the standby emergency power supply is an energy storage battery system or a diesel generator set, and the energy storage battery system comprises an energy storage battery cluster, a confluence cabinet, a battery control cabinet, a converter, an isolation main transformer and an incoming line cabinet.
7. The ac offshore booster station of a light weight single main transformer, according to claim 1, wherein: a heating and ventilation machine room (101) and a water pump room (102) are arranged on a bottom layer clamping plate of the alternating-current offshore booster station, the heating and ventilation machine room (101), the water pump room (102) and the high-voltage GIS power distribution device room (202) are arranged on the same side of the alternating-current offshore booster station, and a fire-fighting water mist water tank and a water pump are arranged in the water pump room (102).
8. The ac offshore booster station with a light single main transformer of claim 1, wherein: the main transformer chamber (201), the high-voltage GIS power distribution device chamber (202) and the high-voltage reactor chamber (207) are located at a middle-layer deck of the AC offshore booster station, the positions corresponding to a top-layer deck are arranged in an open mode, and a main transformer chamber overhead (301), a high-voltage GIS power distribution device chamber overhead (302) and a high-voltage reactor chamber overhead (303) are formed on the top-layer deck respectively.
9. The ac offshore booster station with a light single main transformer of claim 1, wherein: a first storage battery chamber (304) and a second storage battery chamber (305) are arranged on a top deck of the AC offshore booster station, the first storage battery chamber (304) and a main transformer chamber (201) are arranged on the same side of the AC offshore booster station, and the second storage battery chamber (305) and a 66kV switch cabinet chamber (204) are arranged on the same side of the AC offshore booster station.
10. The AC offshore booster station of the light weight single main transformer, according to claim 6, wherein: a low-voltage distribution room (205) is arranged between the standby power supply room (203) and the 66kV switch cabinet room (204); an emergency distribution room (206) is arranged on a middle layer splint of the AC offshore booster station, and the emergency distribution room (206) and the high-voltage GIS power distribution device room (202) are arranged on the same side of the AC offshore booster station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110889768.9A CN115706395A (en) | 2021-08-04 | 2021-08-04 | Light-duty single main marine booster station that exchanges that becomes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110889768.9A CN115706395A (en) | 2021-08-04 | 2021-08-04 | Light-duty single main marine booster station that exchanges that becomes |
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| Publication Number | Publication Date |
|---|---|
| CN115706395A true CN115706395A (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110889768.9A Pending CN115706395A (en) | 2021-08-04 | 2021-08-04 | Light-duty single main marine booster station that exchanges that becomes |
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| Country | Link |
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| CN (1) | CN115706395A (en) |
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2021
- 2021-08-04 CN CN202110889768.9A patent/CN115706395A/en active Pending
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