CN221614483U - Air conditioner ventilation and purification system of deep underground transformer substation - Google Patents
Air conditioner ventilation and purification system of deep underground transformer substation Download PDFInfo
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- CN221614483U CN221614483U CN202323409635.0U CN202323409635U CN221614483U CN 221614483 U CN221614483 U CN 221614483U CN 202323409635 U CN202323409635 U CN 202323409635U CN 221614483 U CN221614483 U CN 221614483U
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- pipe
- fan
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- ventilation
- air
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- 238000009423 ventilation Methods 0.000 title claims abstract description 54
- 238000000746 purification Methods 0.000 title claims abstract description 18
- 238000004378 air conditioning Methods 0.000 claims abstract description 37
- 239000000779 smoke Substances 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 10
- 238000004140 cleaning Methods 0.000 claims description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 238000007791 dehumidification Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 238000005057 refrigeration Methods 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
Landscapes
- Drying Of Gases (AREA)
Abstract
The air conditioning ventilation and purification system of the deep underground transformer substation comprises a station body frame, an exhaust piece, a detection piece and an equipment ventilation assembly, wherein an air conditioning unit is arranged at the top of the station body frame, a ventilation pipe is arranged at the front side of the air conditioning unit, a first fan is arranged at one side of the ventilation pipe, an air outlet pipe is arranged at the bottom of the first fan, and the exhaust piece and the detection piece are arranged in the station body frame; the top of the stand body frame is provided with a supporting box; the support box is internally provided with a second fan, a third fan, a dehumidifying part and a filtering part, the bottom of the second fan is provided with a cold air pipe, the bottom of the cold air pipe is provided with an embedded pipe, and one side of the third fan is provided with a smoke suction pipe. The utility model can ventilate and exchange heat to the working area in the transformer substation, and avoid the contact with the air in the equipment area; harmful gas is blocked, and the freshness of air in the working area inside the transformer substation is improved; and the ventilation is carried out independently, the air entering the device is subjected to prefiltering, pre-dehumidification and pre-refrigeration, and the ventilation and heat dissipation effects of the device are improved.
Description
Technical Field
The utility model relates to the technical field of substation equipment, in particular to an air conditioner ventilation and purification system of a deep and large underground substation.
Background
With the rapid development of urban construction, urban power supply is more and more intense, the traditional large-scale transformer station cannot meet the requirement of urban development, and building an underground transformer station is one of the best modes for solving the problem, and an ultra-deep underground transformer station refers to an underground transformer facility positioned in a deeper underground layer, so that the underground transformer station can effectively save ground space and provide better safety guarantee and environmental protection under the condition of urban centers or limited sites, the underground transformer station usually adopts a closed building form, the air flow in the closed transformer station is not smooth, and a ventilation and air conditioning system becomes an important component of transformer station design.
In the prior art, an underground transformer substation is only provided with an air inlet and an air outlet on the ground, a working area and an equipment area in the whole transformer substation adopt the same ventilation system, a large amount of heat is generated by equipment operation and concentrated underground due to limited area of the air inlet and the air outlet, and then harmful gas is generated by partial equipment operation. Therefore, how to manufacture an air conditioning ventilation and purification system of a deep underground transformer substation, which can solve the problems in the prior art, is a technical problem to be solved.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides an air conditioner ventilation and purification system of a deep and large underground transformer substation, which solves the problem that the existing underground transformer substation ventilation system does not have a partition work function and heat generated by equipment cannot be discharged in a concentrated manner.
In view of this, the present utility model proposes an air conditioning ventilation and purification system for a deep underground substation, comprising: the air conditioning unit is fixed at the top of the station body frame, the ventilation pipe is communicated with the front side of the air conditioning unit, the first fan is communicated with one side of the ventilation pipe, the air outlet pipe is communicated with the bottom of the first fan, the air exhaust piece is arranged in the station body frame, and the detection piece is arranged in the station body frame; the equipment ventilation assembly comprises a supporting box, a second fan, a cold air pipe, an embedded pipe, a third fan, a smoke absorbing pipe, a dehumidifying part and a filtering part, wherein the supporting box is fixed at the top of a standing frame, the second fan is fixed inside the supporting box, the cold air pipe is communicated with the bottom of the second fan, the embedded pipe is communicated with the bottom of the cold air pipe, the third fan is communicated with the top of the supporting box, the smoke absorbing pipe is communicated with one side of the third fan, the dehumidifying part is arranged inside the supporting box, and the filtering part is arranged inside the supporting box.
Further, the exhaust piece include exhaust pipe, exhaust fan and intake pipe, the exhaust pipe set up in standing body frame top, the exhaust fan be fixed in the exhaust pipe inside, the intake pipe be fixed in standing body frame inside.
Further, the top of the air inlet pipe penetrates through the outer portion of the station body frame and is communicated with the exhaust pipe, and a dust separation net is arranged in the exhaust pipe.
Further, the detecting piece comprises a protective shell, a temperature sensor, a humidity sensor, a smoke sensor, a wind speed sensor, a harmful gas sensor and an oxygen concentration sensor, temperature sensor, humidity transducer, smoke transducer, wind speed sensor, harmful gas sensor and oxygen concentration sensor, and all be fixed in the protective housing inside.
Further, the dehumidification piece include refrigerator, lead cold copper pipe and drainage board, the refrigerator be fixed in the supporting box inside, lead cold copper pipe and set up in the refrigerator bottom, drainage board sliding connection in lead cold copper pipe surface.
Further, the filter piece include cartridge filter, metal filter screen and cleaning brush, the cartridge filter set up in supporting the incasement portion, metal filter screen be fixed in the cartridge filter inside, cleaning brush be fixed in supporting the incasement portion.
Further, the surface of the filter cartridge is movably connected with a baffle plate through a bearing, and the top of the baffle plate is fixedly connected with the inner wall of the supporting box.
Further, cartridge filter surface fixedly connected with first gear, first gear bottom meshing have the second gear, second gear one side fixedly connected with driving motor, driving motor one side and baffle fixed connection.
Further, cartridge filter one side fixedly connected with transmission shaft, transmission shaft surface cover be equipped with the transmission frame, transmission frame top and drainage board fixed connection.
Further, the first fan surface cover be equipped with the supporting shell, supporting shell bottom and standing body frame fixed connection.
Compared with the prior art, the air conditioning ventilation and purification system for the deep and large underground transformer substation can ventilate and exchange heat for the working area in the transformer substation by arranging the air conditioning ventilation assembly, so that the contact with air in the equipment area is avoided, the harmful gas and oil smell generated by the equipment unit can be completely blocked, the freshness of the air in the working area in the transformer substation is improved, the equipment in the transformer substation can be independently ventilated by arranging the equipment ventilation assembly, the entering air is pre-filtered, pre-dehumidified and pre-refrigerated, and the ventilation and heat dissipation effects of the equipment are improved.
Drawings
FIG. 1 shows a schematic overall structure of the present utility model;
FIG. 2 shows a schematic diagram of the connection of a first fan to an outlet duct according to the present utility model;
FIG. 3 shows a partial cross-sectional view of an exhaust duct of the present utility model;
FIG. 4 shows a side view of the inventive station body frame;
FIG. 5 shows a schematic diagram of the connection of a cold air duct and a pre-buried duct according to the present utility model;
FIG. 6 shows a side cross-sectional view of the support box of the present utility model;
FIG. 7 shows an expanded schematic view of the internal structure of the support box of the present utility model;
Fig. 8 shows a schematic structural diagram of the probe of the present utility model.
In the figure: 1. an air conditioning ventilation assembly; 2. a device ventilation assembly; 101. a station body frame; 102. an air conditioning unit; 103. a ventilation pipe; 104. a first fan; 105. an air outlet pipe; 106. an exhaust member; 107. a probe; 201. a supporting box; 202. a second fan; 203. a cold air pipe; 204. pre-burying a pipe; 205. a third fan; 206. a smoke suction pipe; 207. a dehumidifying member; 208. a filter; 1061. an exhaust pipe; 1062. an exhaust fan; 1063. an air inlet pipe; 1071. a protective shell; 1072. a temperature sensor; 1073. a humidity sensor; 1074. a smoke sensor; 1075. a wind speed sensor; 1076. a harmful gas sensor; 1077. an oxygen concentration sensor; 2071. a refrigerating machine; 2072. a cold conducting copper pipe; 2073. a water filtering plate; 2081. a filter cartridge; 2082. a metal filter screen; 2083. a cleaning brush; 3. a partition plate; 4. a first gear; 5. a second gear; 6. a driving motor; 7. a transmission shaft; 8. and a transmission frame.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and the scope of the utility model is therefore not limited by the following disclosure.
The technical scheme of the present utility model is further described below with reference to fig. 1 to 8.
A first embodiment is shown in fig. 1 to 8: an air conditioning ventilation and purification system of a deep underground transformer substation, comprising: the air conditioning ventilation assembly 1 and the equipment ventilation assembly 2, wherein the air conditioning ventilation assembly 1 comprises a station body frame 101, an air conditioning unit 102, a ventilation pipe 103, a first fan 104, an air outlet pipe 105, an air exhaust piece 106 and a detection piece 107, wherein the air conditioning unit 102 is fixed at the top of the station body frame 101, the ventilation pipe 103 is communicated with the front side of the air conditioning unit 102, the first fan 104 is communicated with one side of the ventilation pipe 103, the air outlet pipe 105 is communicated with the bottom of the first fan 104, the air exhaust piece 106 is arranged in the station body frame 101, and the detection piece 107 is arranged in the station body frame 101; and the equipment ventilation assembly 2 comprises a supporting box 201, a second fan 202, a cold air pipe 203, an embedded pipe 204, a third fan 205, a smoke suction pipe 206, a dehumidifying piece 207 and a filtering piece 208, wherein the supporting box 201 is fixed at the top of the station body frame 101, the second fan 202 is fixed inside the supporting box 201, the cold air pipe 203 is communicated with the bottom of the second fan 202, the embedded pipe 204 is communicated with the bottom of the cold air pipe 203, the third fan 205 is communicated with the top of the supporting box 201, the smoke suction pipe 206 is communicated with one side of the third fan 205, the dehumidifying piece 207 is arranged inside the supporting box 201, and the filtering piece 208 is arranged inside the supporting box 201.
Specific: through setting up first fan 104, can be with the air suction ventilation pipe 103 of air conditioning unit 102 after the temperature regulation, in the room of the inside with constant temperature air discharge transformer substation through play tuber pipe 105, make the temperature of working area keep invariable in the transformer substation, improve the comfort level, through setting up the pre-buried pipe 204, can be fixed in the bottom of equipment room in advance, make the top of pre-buried pipe 204 run through out the static bottom plate, directly ventilate the bottom of equipment unit, improve ventilation radiating effect.
The exhaust piece 106 comprises an exhaust pipe 1061, an exhaust fan 1062 and an air inlet pipe 1063, wherein the exhaust pipe 1061 is arranged at the top of the station body frame 101, the exhaust fan 1062 is fixed inside the exhaust pipe 1061, the air inlet pipe 1063 is fixed inside the station body frame 101, and the top of the air inlet pipe 1063 penetrates through the station body frame 101 and is communicated with the exhaust pipe 1061, and a dust-separating net is arranged inside the exhaust pipe 1061.
Specific: through setting up exhaust fan 1062, can drive the air flow in the exhaust pipe 1061, take out the inside work area's of transformer substation waste gas through intake pipe 1063, realize circulating air's effect, avoid dirty air to remain for a long time, improve ventilation effect, through setting up smoke tube 206, can cooperate the air flow of third fan 205 drive equipment area, when equipment area takes place the conflagration, in time discharge smog, improve the guard action.
Example 2
Referring to fig. 1-8, a second embodiment of the present utility model is based on the previous embodiment.
The detecting member 107 includes a protective case 1071, a temperature sensor 1072, a humidity sensor 1073, a smoke sensor 1074, a wind speed sensor 1075, a harmful gas sensor 1076, and an oxygen concentration sensor 1077, and the temperature sensor 1072, the humidity sensor 1073, the smoke sensor 1074, the wind speed sensor 1075, the harmful gas sensor 1076, and the oxygen concentration sensor 1077 are all fixed inside the protective case 1071.
Specific: through setting up temperature sensor 1072 and humidity transducer 1073, can detect the inside temperature of transformer substation and humidity, conveniently adjust the accuse temperature time of air conditioning unit 102, through setting up smoke transducer 1074, can play the effect of conflagration early warning, through setting up wind speed transducer 1075, can detect the inside air current velocity of transformer substation, through setting up harmful gas sensor 1076 and oxygen concentration sensor 1077, can detect the inside air quality of transformer substation, the security when improving the use, dehumidification piece 207 includes refrigerator 2071, lead cold copper pipe 2072 and water filter 2073, refrigerator 2071 is fixed in supporting box 201 inside, lead cold copper pipe 2072 to set up in refrigerator 2071 bottom, water filter 2073 sliding connection is in leading cold copper pipe 2072 surface.
Example 3
Referring to fig. 1-8, a third embodiment of the present utility model is based on the previous embodiment.
The filter 208 includes cartridge filter 2081, metal filter 2082 and cleaning brush 2083, cartridge filter 2081 sets up inside supporting box 201, metal filter 2082 is fixed in inside cartridge filter 2081, cleaning brush 2083 is fixed in inside supporting box 201, cartridge filter 2081 surface is through bearing swing joint has baffle 3, baffle 3 top and supporting box 201 inner wall fixed connection, cartridge filter 2081 fixedly connected with first gear 4, first gear 4 bottom meshing has second gear 5, second gear 5 one side fixedly connected with driving motor 6, driving motor 6 one side and baffle 3 fixed connection, cartridge filter 2081 one side fixedly connected with transmission shaft 7, transmission shaft 7 surface cover is equipped with drive frame 8, drive frame 8 top and filter 2073 fixed connection, first fan 104 surface cover is equipped with the supporting shell, supporting shell bottom and station body frame 101 fixed connection.
Specific: through setting up filter 208, can filter the air that gets into in the supporting box 201, through setting up cleaning brush 2083, can clean the dust on metal filter screen 2082 surface when the cartridge filter 2081 pivoted, make metal filter screen 2082 can realize continuous filtration, through setting up driving motor 6, can cooperate first gear 4 to drive second gear 5 and rotate, it rotates to drive metal filter screen 2082 and transmission shaft 7 respectively to make cartridge filter 2081 pivoted, cooperation cleaning brush 2083 cleans the dust on its surface when metal filter screen 2082 rotates, cooperation drive frame 8 drives the filter plate 2073 and removes when transmission shaft 7 pivoted, strike off the drop of water on cold copper pipe 2072 surface with the condensation absorption, improve the filterable effect of moisture absorption.
The working principle of the utility model is as follows: through temperature sensor 1072 and temperature sensor 1072, detect the inside temperature of transformer substation and humidity, when the humiture of working area is less than the setting value, with signal transmission to external controller, external controller starts air conditioning unit 102, first fan 104 and exhaust fan 1062, first fan 104 drives air discharge tuber pipe 105 after air conditioning unit 102 adjusts the temperature, discharge tuber pipe 105 into the transformer substation through air outlet pipe 105, realize the effect of circulation accuse temperature, when the temperature between the internal equipment of transformer substation is higher than the setting value, start refrigerator 2071 and second fan 202, second fan 202 drives outside air injection supporting box 201, refrigerator 2071 cooperation cold copper pipe 2072 carries out the precooling to the air of entering, then arrange into pre-buried pipe 204, directly blow the air to the bottom of transformer unit through pre-buried pipe 204, improve the radiating effect, when outside air gets into supporting box 201, filter dust and impurity through metal filter screen 2082, air and cold copper pipe 105 contact, can adsorb in the copper pipe surface at the cold copper of leading, realize the effect of dehumidification motor, afterwards, motor 2071 drives the gear 2084 and drive metal filter 2084, water vapor filter 2082 is driven by the cooperation of a gear 2084, water-cooling copper pipe 2082, the effect is improved, simultaneously, water-cooling filter 2084 is driven by the rotatory drive gear 2084, and water-absorbing device 2082 is rotated, simultaneously, the water-absorbing filter bowl 2084 is driven by the rotatory drive gear 2082, and the water-absorbing effect is improved, simultaneously, the water drum 2 is rotated, and the water-absorbing 2 is rotated, and the water drum 2 is rotated, and the effect is rotated, and the water drive gear surface, and the water drive 2.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. An air conditioner ventilation clean system of deep underground transformer substation, its characterized in that: the air conditioning ventilation device comprises an air conditioning ventilation assembly and an equipment ventilation assembly, wherein the air conditioning ventilation assembly comprises a station body frame, an air conditioning unit, a ventilation pipe, a first fan, an air outlet pipe, an exhaust piece and a detection piece, the air conditioning unit is fixed at the top of the station body frame, the ventilation pipe is communicated with the front side of the air conditioning unit, the first fan is communicated with one side of the ventilation pipe, the air outlet pipe is communicated with the bottom of the first fan, the exhaust piece is arranged inside the station body frame, and the detection piece is arranged inside the station body frame; the equipment ventilation assembly comprises a supporting box, a second fan, a cold air pipe, an embedded pipe, a third fan, a smoke absorbing pipe, a dehumidifying part and a filtering part, wherein the supporting box is fixed at the top of a standing frame, the second fan is fixed inside the supporting box, the cold air pipe is communicated with the bottom of the second fan, the embedded pipe is communicated with the bottom of the cold air pipe, the third fan is communicated with the top of the supporting box, the smoke absorbing pipe is communicated with one side of the third fan, the dehumidifying part is arranged inside the supporting box, and the filtering part is arranged inside the supporting box.
2. The deep underground substation air conditioning ventilation purification system of claim 1, wherein: the exhaust piece include exhaust pipe, exhaust fan and intake pipe, the exhaust pipe set up in standing body frame top, the exhaust fan be fixed in the exhaust pipe inside, the intake pipe be fixed in standing body frame inside.
3. The deep underground substation air conditioning ventilation purification system of claim 2, wherein: the top of the air inlet pipe penetrates through the outer part of the station body frame and is communicated with the exhaust pipe, and a dust-separating net is arranged in the exhaust pipe.
4. The deep underground substation air conditioning ventilation purification system of claim 3, wherein: the detecting piece comprises a protective shell, a temperature sensor, a humidity sensor, a smoke sensor, a wind speed sensor, a harmful gas sensor and an oxygen concentration sensor, temperature sensor, humidity transducer, smoke transducer, wind speed sensor, harmful gas sensor and oxygen concentration sensor, and all be fixed in the protective housing inside.
5. The deep underground substation air conditioning ventilation purification system of claim 4, wherein: the dehumidifying part comprises a refrigerator, a cold guide copper pipe and a water filtering plate, wherein the refrigerator is fixed in the supporting box, the cold guide copper pipe is arranged at the bottom of the refrigerator, and the water filtering plate is connected to the surface of the cold guide copper pipe in a sliding mode.
6. The deep underground substation air conditioning ventilation purification system of claim 5, wherein: the filter piece include cartridge filter, metal filter screen and cleaning brush, the cartridge filter set up inside the supporting box, metal filter screen be fixed in the cartridge filter inside, cleaning brush be fixed in the supporting box inside.
7. The deep underground substation air conditioning ventilation purification system of claim 6, wherein: the surface of the filter cartridge is movably connected with a baffle plate through a bearing, and the top of the baffle plate is fixedly connected with the inner wall of the supporting box.
8. The deep underground substation air conditioning ventilation purification system of claim 7, wherein: the surface of the filter cartridge is fixedly connected with a first gear, the bottom of the first gear is meshed with a second gear, one side of the second gear is fixedly connected with a driving motor, and one side of the driving motor is fixedly connected with a partition plate.
9. The deep underground substation air conditioning ventilation purification system of claim 8, wherein: one side of the filter cylinder is fixedly connected with a transmission shaft, the surface of the transmission shaft is sleeved with a transmission frame, and the top of the transmission frame is fixedly connected with the water filtering plate.
10. The deep underground substation air conditioning ventilation purification system of claim 1 or 9, wherein: the surface of the first fan is sleeved with a supporting shell, and the bottom of the supporting shell is fixedly connected with the stand body frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323409635.0U CN221614483U (en) | 2023-12-14 | 2023-12-14 | Air conditioner ventilation and purification system of deep underground transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323409635.0U CN221614483U (en) | 2023-12-14 | 2023-12-14 | Air conditioner ventilation and purification system of deep underground transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221614483U true CN221614483U (en) | 2024-08-27 |
Family
ID=92428557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323409635.0U Active CN221614483U (en) | 2023-12-14 | 2023-12-14 | Air conditioner ventilation and purification system of deep underground transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221614483U (en) |
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2023
- 2023-12-14 CN CN202323409635.0U patent/CN221614483U/en active Active
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