CN213705112U - Automobile air outlet - Google Patents
Automobile air outlet Download PDFInfo
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- CN213705112U CN213705112U CN202022700267.5U CN202022700267U CN213705112U CN 213705112 U CN213705112 U CN 213705112U CN 202022700267 U CN202022700267 U CN 202022700267U CN 213705112 U CN213705112 U CN 213705112U
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Abstract
The utility model discloses an automobile air outlet, including casing and air guide mechanism, the casing includes first wind channel and second wind channel, first wind channel has the portion of bending on so that the export of first wind channel is configured into the first air current of output, the second wind channel has the portion of bending down so that the export of second wind channel is configured into the second air current of output with the first air current is crossing, first air current and second air current intersect in the opening part of casing, air guide mechanism includes and rotates around the X axle and sets up the single main blade at the casing opening part, and the main blade is located between the export of first wind channel and the export of second wind channel; when the main blade rotates around the X axis, the main blade guides the direction of the first air flow and the direction of the second air flow, and therefore longitudinal air guiding adjustment is achieved. The utility model provides a pair of automobile air outlet, simple structure, it is respond well to blow.
Description
Technical Field
The utility model relates to the technical field of auto-parts, in particular to automobile air outlet.
Background
The automobile air-conditioning air outlet is one of the necessary parts of the automobile, and in order to meet the requirements of drivers with different heights, different body types and different habits on temperature, the automobile air-conditioning air outlet in the current market generally controls parts such as main blades, secondary blades and air doors to realize wind direction adjustment.
In the current automotive interior industry, the air outlet of an air conditioner tends to be invisible, the corresponding shell shapes are diversified, and a novel long and narrow shell with a high-width ratio is characterized by consisting of two or more fixed branch ports, and the deflection of the wind direction is realized by controlling the flow of each branch port based on the coanda effect of fluid.
The applicant's prior application (publication number: CN109823143A) discloses an air outlet device, an air conditioning system and a vehicle, which includes a first channel, a second channel, and a shielding portion, wherein air flows through a main air inlet, enters the first channel and the second channel through an inlet of the first channel and an inlet of the second channel, flows out from an outlet of the first channel and an outlet of the second channel, and interacts with each other, as shown in fig. 3 to 6, the shielding portion seals the inlet of the first channel and the inlet of the second channel, so that the air inlet areas of the first channel and the second channel are different, the air inlet amount entering the first channel and the second channel is different, and the adjustment of the blowing angle is achieved, however, in the air inlet process, the air flow has different air inlet areas in the first channel and the second channel due to the existence of the shielding portion, so that the air inlet amount in the first channel and the second channel is different, the air outlet speed and the air outlet volume of the air outlet are different, and the blowing feeling is affected.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough and defect, provide an automobile air outlet, it is respond well to blow, simple structure moreover, reduce cost.
In order to achieve the above object, the present invention provides the following technical solutions.
An automobile air outlet comprises a shell and an air guide mechanism, wherein the shell comprises a first air duct and a second air duct, the first air duct is provided with an upper bending part so that an outlet of the first air duct is configured to output a first air flow, the second air duct is provided with a lower bending part so that an outlet of the second air duct is configured to output a second air flow intersected with the first air flow, the first air flow and the second air flow are intersected at an opening of the shell, the air guide mechanism comprises a single main blade which is rotatably arranged at the opening of the shell around an X axis, and the main blade is positioned between the outlet of the first air duct and the outlet of the second air duct; when the main blade rotates around the X axis, the main blade guides the direction of the first air flow and the direction of the second air flow, and therefore longitudinal air guiding adjustment is achieved.
The utility model has the advantages that: the air outlet of the utility model is divided into a first air channel and a second air channel in the shell, the air flow enters the first air channel and the second air channel respectively through the inlet of the first air channel and the inlet of the second air channel, then flows out from the outlet of the first air channel and the outlet of the second air channel and interacts with the opening of the shell, the direction of the first air flow and the direction of the second air flow interact with each other to realize air blowing, and then the air is blown by rotating around an X axis through the main blade, because the main blade is positioned at the opening of the shell and between the outlet of the first air channel and the outlet of the second air channel, the main blade guides the direction of the first air flow and the direction of the second air flow in the rotating process, the direction of the first air flow, the direction of the second air flow and the guide of the main blade are simultaneously matched, thereby realizing the adjustment of longitudinal air guiding, compared with the prior art, the scheme of changing the air inlet area of the inlet of the first air channel and the inlet of the, the utility model discloses in, the main leaf directly sets up in the exit of casing, only play the wind-guiding effect, can not shield the entry in first wind channel and the entry and the export in export and second wind channel, consequently can not influence the air inlet area and the air-out area in first wind channel and the second wind channel, consequently can not change the intake in first wind channel and second wind channel, air output and air-out speed, avoided influencing the effect of blowing because of the change of the area of blowing, make the wind-guiding effectual, the angle of blowing is accurate.
As an improvement of the utility model, air inlet channel still has in the casing, the entry in first wind channel and the entry in second wind channel respectively with air inlet channel communicates.
As an improvement of the present invention, the air guiding mechanism further includes a secondary blade, the secondary blade is respectively disposed in the first air duct and the second air duct around the Y axis in a rotating manner, the X axis is perpendicular to the Y axis, the primary blade is provided with a secondary blade operating part along the X axis in a sliding manner, and the secondary blade operating part is in transmission connection with the secondary blade; when the secondary blade operation piece slides along the X axis relative to the main blade, the secondary blade operation piece drives the secondary blade to rotate, and therefore adjustment of transverse air guiding is achieved. Through the improvement, when the secondary blade operation part slides along the X axis relative to the main blade, the secondary blade operation part drives the secondary blade to rotate, so that the transverse air guide is adjusted, and the operation is convenient.
As an improvement of the utility model, inferior blade including set up in a plurality of last blades in the first wind channel, set up in a plurality of lower blades in the second wind channel and general go up the trace that blade and lower blade carried out the connection, inferior blade operating parts with the trace transmission is connected.
As an improvement of the utility model, be provided with inferior blade operation spare spout on the main blade, the one end of inferior blade operation spare is located outside inferior blade operation spare spout, the other end of inferior blade operation spare passes inferior blade operation spare spout and be formed with trace complex shift fork, inferior blade operation spare is followed when inferior blade operation spare spout removes, promote inferior blade rotates. Through the improvement, the secondary blade is convenient to drive to rotate.
As an improvement of the utility model, air guide mechanism still including slide set up in air door in the casing, it is provided with the air door operating parts to slide along the X axle on the main leaf, the air door operating parts pass through drive assembly with the air door transmission is connected, works as the air door operating parts for when the main leaf slides along the X axle removal, through drive assembly drives the air door removes along the Z axle, Z axle perpendicular to X axle, the air door remove the in-process with the air inlet channel cooperation, thereby adjust air inlet channel's opening size. Through the improvement, the air volume can be conveniently adjusted.
As an improvement of the utility model, be provided with air door operation spare spout along the X axle on the main blade, air door operation spare one end is located the outer strip that is of air door operation spare spout, the air door operation spare other end passes air door operation spare spout stretches into in the casing to respectively through drive assembly with the air door transmission is connected, air door operation spare is followed when air door operation spare spout removes, promote through drive assembly the air door removes.
As an improvement of the present invention, the transmission assembly includes a link assembly, the damper operating member is connected to the damper through the link assembly, and when the main blade drives the damper operating member to rotate around the X axis, the damper operating member rotates relative to the link assembly; when the air door operation piece moves along the X axis relative to the main blade, the air door is pushed to move along the Z axis through the connecting rod assembly.
As an improvement of the utility model, link assembly includes first connecting rod and second connecting rod, the one end of first connecting rod with the air door rotates to be connected, the other end of first connecting rod with the second connecting rod is connected, the other end of second connecting rod with the air door operating parts rotates to be connected.
As an improvement of the utility model, the quantity of air door operating parts has two, link assembly is corresponding to have two sets ofly, be provided with two air door operating parts spouts, two along the X axle on the main blade extend respectively on the second connecting rod and be formed with the rack, carry out the transmission through drive gear between two racks and connect.
As an improvement of the utility model, be provided with the shunt in the casing, the shunt upwards bulge and with be formed with between the casing first wind channel, the shunt downwards bulge and with be formed with between the casing the second wind channel, the shunt with one side that inlet air channel is relative is equipped with the mounting groove, the upper and lower both ends of air door are formed with the guide block to extending in the mounting groove respectively.
As an improvement of the utility model, inlet air channel is equipped with air door complex top seal strip with first wind channel junction, air feed channel is equipped with air door complex bottom seal strip with second wind channel junction.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
Fig. 3 is a schematic structural diagram of the present invention after removing the casing.
Fig. 4 is a schematic structural view of the air guide mechanism of the present invention.
Fig. 5 is a schematic structural view of the main blade of the present invention.
Fig. 6 is a schematic view of the operation member of the secondary blade and the secondary blade of the present invention.
Fig. 7 is a schematic view of the damper operating member and the damper according to the present invention.
Fig. 8 is a schematic sectional view of the housing of the present invention.
Fig. 9 is a schematic view of the structure of the flow divider of the present invention.
Fig. 10 is a schematic view of the structure of the damper of the present invention.
Fig. 11 is a schematic structural diagram of another embodiment of the present invention.
Fig. 12 is a schematic overall structure diagram of another embodiment of the present invention.
Fig. 13 is a schematic view of the internal structure of fig. 12 with the housing removed.
In the figure, 1, a housing; 1.1, a first air duct; 1.2, a second air duct; 1.3, an air inlet channel; 1.4, a flow divider; 1.41, mounting grooves; 1.42, a limit groove; 1.5, sealing strips are arranged; 1.6, a lower sealing strip; 2. an air guide mechanism; 2.1, main blades; 2.11, secondary blade operator runner; 2.12, a sliding groove of an air door operating piece; 2.2, secondary blades; 2.21, upper leaves; 2.22, lower blades; 2.23, a linkage rod; 2.3, air doors; 2.31, a guide block; 2.32, a limiting block; 3. a secondary blade operator; 3.1, a shifting fork; 4. a damper operator; 5. a transmission assembly; 5.1, a first connecting rod; 5.2, a second connecting rod; 5.3, a rack; 5.4, a transmission gear; 6. an electric actuator.
Detailed Description
The invention is further explained by combining the attached drawings.
Referring to fig. 1 to 10, an automobile air outlet includes a housing 1 and an air guiding mechanism 2, a cylindrical splitter 1.4 is fixedly disposed in the housing 1, the splitter 1.4 protrudes upward and forms a first air duct 1.1 with the housing 1, the splitter 1.4 protrudes downward and forms a second air duct 1.2 with the housing 1, an air inlet channel 1.3 is further disposed in the housing 1, the first air duct 1.1 and the second air duct 1.2 are respectively communicated with the air inlet channel 1.3, the first air duct 1.1 has an upper bent portion so that an outlet of the first air duct 1.1 is configured to output a first air flow, the second air duct 1.2 has a lower bent portion so that an outlet of the second air duct 1.2 is configured to output a second air flow intersecting with the first air flow, and the first air flow and the second air flow intersect at an opening of the housing 1.
The air guide mechanism 2 comprises a main blade 2.1, a secondary blade 2.2 and an air door 2.3, the main blade 2.1 is a single blade, the flow divider 1.4 is positioned between the air inlet channel 1.3 and the main blade 2.1, and the main blade 2.1 is arranged at the opening of the shell 1 in a rotating manner around the X axis; the secondary blades 2.2 comprise a plurality of linked upper blades 2.21, a plurality of linked lower blades 2.22 and a linking rod 2.23 for connecting the upper blades 2.21 and the lower blades 2.22, the plurality of upper blades 2.21 are rotatably arranged in the first air duct 1.1 around a Y axis, and the plurality of lower blades 2.22 are rotatably arranged in the second air duct 1.2 around the Y axis.
The main blade 2.1 is provided with a secondary blade operating part 3 along the X axis in a sliding manner, the main blade 2.1 is provided with a secondary blade operating part sliding groove 2.11, one end of the secondary blade operating part 3 is positioned outside the secondary blade operating part sliding groove 2.11 and is in a strip shape, so that the secondary blade operating part 3 plays a role of decorating the main blade 2.1 at the same time, the whole style of an air outlet is unified, the appearance is more attractive, the other end of the secondary blade operating part 3 penetrates through the secondary blade operating part sliding groove 2.11 and extends into the shell 1, and a shifting fork 3.1 matched with the linking rod 2.23 is formed, when the secondary blade operating part 3 moves along the secondary blade operating part sliding groove 2.11, the shifting fork 3.1 drives the linking rod 2.23 to rotate, so that the upper blade 2.21 and the lower blade 2.22 swing at the same time, thereby realizing the adjustment of transverse air guiding, and when the secondary blade operating part 3 rotates around the X axis, the main blade 2, realize the regulation of vertical wind-guiding.
The air door 2.3 slides and sets up in casing 1, shunt 1.4 with one side that inlet air channel 1.3 is relative is equipped with mounting groove 1.41, mounting groove 1.41 sets up along the X axle, the upper and lower both ends of air door 2.3 extend respectively to mounting groove 1.41 in and are formed with guide block 2.31, guide block 2.31 is located in mounting groove 1.41, through guide block 2.31 and mounting groove 1.41's cooperation, inject air door 2.3 can only move along the Z axle, the Z axle is perpendicular to simultaneously X axle and Y axle, main blade 2.1 is gone up and is provided with air door operating parts 4 along the X axle slip, the quantity of air door operating parts 4 is two, and two air door operating parts 4 are located inferior blade operating parts 3's both ends about, main blade 2.1 is gone up and is provided with two air door operating parts spout 2.12 along the X axle, air door operating parts 4 one end is located outside air door operating parts 2.12 and be the strip, make air door operating parts 4 play and decorate main blade 2.1 effect, and the whole style of air outlet is unified, and the appearance is more pleasing to the eye, the 4 other ends of air door operating parts pass in air door operating parts spout 2.12 stretches into casing 1 to through drive assembly 5 with air door 2.3 transmission is connected, and drive assembly 5's quantity is corresponding is two, two drive assembly 5 includes first connecting rod 5.1 and second connecting rod 5.2 respectively, the one end of first connecting rod 5.1 around the Y axle with air door 2.3 is connected, the other end of first connecting rod 5.1 around the Y axle with second connecting rod 5.2 is connected, the other end of second connecting rod 5.2 around the X axle with air door operating parts 4 rotates and is connected, air door operating parts 4 around the in-process that the X axle removed, through first connecting rod 5.1 promotes air door 2.3 moves along the Z axle, air door 2.3 move in-process with inlet air passageway 1.3 cooperation, thereby adjusting the opening size of the air inlet channel 1.3, realizing the adjustment of the air quantity,
be equipped with stopper 2.32 on the air door 2.3, be equipped with along the Z axle on the separator with stopper 2.32 complex spacing groove 1.42, stopper 2.32 set up in the spacing groove 1.42, work as when air door 2.3 moves along the Z axle, spacing groove 1.42 is injectd stopper 2.32's removal route makes air door 2.3 only can move along the Z axle, and it is stable to remove moreover, is difficult for taking place the skew.
Air inlet channel 1.3 and first wind channel 1.1 junction are equipped with sealing strip 1.5, air supply channel is equipped with sealing strip 1.6 with second wind channel 1.2 junction, works as air door 2.3 removes extremely during air supply channel and second wind channel 1.2 junction, the upper and lower both ends of air door 2.3 cooperate with sealing strip 1.5 and sealing strip 1.6 respectively, thereby will seal between air and the second wind channel 1.2, realize air door 2.3 and close the function, the setting of sealing strip 1.5 and sealing strip 1.6 for the leakproofness is good, can reduce the volume of revealing of air current.
When the main blade 2.1 rotates around an X axis, the main blade 2.1 guides the direction of a first air flow and the direction of a second air flow, so that longitudinal air guiding adjustment is achieved, when the main blade 2.1 rotates around the X axis, the main blade 2.1 can drive the secondary blade operating piece 3 and the air door operating piece 4 to rotate around the X axis simultaneously, but due to the existence of the shifting fork 3.1, the secondary blade 2.2 does not respond to the action of the secondary blade operating piece 3, and due to the fact that the second connecting rod 5.2 is in rotating connection with the air door operating piece 4 around the X axis, the air door operating piece 4 can rotate relative to the second connecting rod 5.2, and the air door 2.3 does not respond to the action of the air door operating piece 4; when the secondary blade operating piece 3 moves along the X axis, the secondary blade 2.2 is driven to rotate by the shifting fork 3.1, so that the adjustment of the transverse wind direction is realized; when one of them air door operating part 4 moves along the X axle, drive through second connecting rod 5.2 and first connecting rod 5.1 cooperation air door 2.3 moves along the Z axle, realizes the regulation of amount of wind size and the closing of air door 2.3, and when air door 2.3 moved, drive another through another group's transmission assembly 5 air door operating part 4 removes.
Referring to fig. 11, in another embodiment of the present invention, two racks 5.3 are respectively formed on two second connecting rods 5.2, the two racks 5.3 are in transmission connection through a transmission gear 5.4, when one of the air door operation pieces 4 moves along the X axis, the second connecting rod 5.2 is matched with the first connecting rod 5.1 to drive the air door 2.3 to move along the Z axis, so that the adjustment of the air volume and the closing of the air door 2.3 are realized, and the second connecting rod 5.2 drives the other second connecting rod 5.2 to act simultaneously through the matching of the rack 5.3 and the gear, when the second connecting rod 5.2 acts, the second connecting rod and the first connecting rod 5.1 are matched to drive the air door 2.3 to move along the Z axis, so that the two groups of connecting rod assemblies simultaneously drive the air door 2.3 to move, the air door 2.3 moves stably, and only one of the air door operation pieces 4 needs to be moved to realize the simultaneous action of the two groups of connecting rod assemblies, so that the operation is convenient.
The air outlet of the utility model divides the shell 1 into a first air channel 1.1 and a second air channel 1.2, the air flow is divided after entering from the air inlet channel 1.3, and enters into the first air channel 1.1 and the second air channel 1.2 through the inlet of the first air channel 1.1 and the inlet of the second air channel 1.2, then flows out from the outlet of the first air channel 1.1 and the outlet of the second air channel 1.2 and interacts with the opening of the shell 1, the direction of the first air flow and the direction of the second air flow interact to realize blowing, and then rotates around the X axis through the main blade 2.1, because the main blade 2.1 is positioned at the opening of the shell 1 and between the outlet of the first air channel 1.1 and the outlet of the second air channel 1.2, the main blade 2.1 guides the direction of the first air flow and the direction of the second air flow in the rotating process, the direction of the first air flow, the direction of the second air flow and the guide of the main blade 2.1 are matched at the same time, thereby realizing longitudinal air guiding adjustment, compared with the prior art, change the scheme of the air inlet area of the entry of first wind channel 1.1 and the entry of second wind channel 1.2, the utility model discloses in, main blade 2.1 directly sets up in the exit of casing 1, only plays the wind-guiding effect, can not shield the entry and the export of first wind channel 1.1 and the entry and the export of second wind channel 1.2, consequently can not influence the air inlet area and the air-out area in first wind channel 1.1 and the second wind channel 1.2, consequently can not change the intake of first wind channel 1.1 and second wind channel 1.2, air output and air-out speed, avoided influencing the effect of blowing because of the change of the area of blowing, make the wind-guiding effectual, the angle of blowing is accurate.
In addition, compared with the traditional scheme that a single blade and a plurality of hidden blades are matched with the air guide in the single air duct air outlet, the air guide is carried out through the simultaneous matching of the first air duct 1.1, the second air duct 1.2 and the single main blade 2.1, the air blowing angle is accurate, only one main blade 2.1 is used, the number of parts is reduced, the cost is reduced, when the secondary blade operating piece 3 slides along the X axis relative to the main blade 2.1, the secondary blade operating piece 3 drives the secondary blade 2.2 to rotate, so that the adjustment of transverse air guide is realized, the operation is convenient, when the air door operating piece 4 slides along the X axis relative to the main blade 2.1, the air door operating piece 4 drives the air door 2.3 to move through the connecting rod component, the adjustment of the air volume and the opening and closing of the air door 2.3 are realized, the need of an independent shifting wheel to control the design of the air door 2.3 is avoided, the, control the convenience, inferior blade operating parts 3 and air door operating parts 4 all are the strip moreover, can play the effect of ornamental strip simultaneously for the whole style of air outlet is unified, and the appearance is more pleasing to the eye. In addition, main blade 2.1 sets up in the opening part of casing 1, and inferior blade operating parts 3 and door operating parts 4 all slide and set up on main blade 2.1, consequently can be convenient for the direct manual operation of user main blade 2.1, inferior blade operating parts 3 and door operating parts 4 to can realize the control of the wind-guiding of equidirectional and amount of wind size.
Referring to fig. 12 to 13, in another embodiment of the present invention, the wind guiding device further includes an electric actuator 6, the electric actuator 6 is a motor, and an output end of the electric actuator 6 is in transmission connection with the main blade 2.1, so as to drive the main blade 2.1 to rotate around the X axis, thereby achieving longitudinal wind guiding adjustment.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (4)
1. An automobile air outlet, comprising a housing and an air guiding mechanism, wherein the housing comprises a first air duct and a second air duct, the first air duct has an upper bending part to enable an outlet of the first air duct to be configured to output a first air flow, the second air duct has a lower bending part to enable an outlet of the second air duct to be configured to output a second air flow intersecting with the first air flow, and the automobile air outlet is characterized in that: the first air flow and the second air flow are intersected at the opening of the shell, the air guide mechanism comprises a single main blade which rotates around an X axis and is arranged at the opening of the shell, and the main blade is positioned between the outlet of the first air channel and the outlet of the second air channel; when the main blade rotates around the X axis, the main blade guides the direction of the first air flow and the direction of the second air flow, and therefore longitudinal air guiding adjustment is achieved.
2. The air outlet of claim 1, wherein: the output end of the electric actuator is in transmission connection with the main blade, so that the main blade is driven to rotate around an X axis.
3. The air outlet of claim 1, wherein: the casing is internally provided with a flow divider, the flow divider protrudes upwards and is formed with the first air duct between the casings, and the flow divider protrudes downwards and is formed with the second air duct between the casings.
4. The air outlet of claim 1, wherein: still have air inlet channel in the casing, the entry in first wind channel and second wind channel the entry respectively with air inlet channel intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022700267.5U CN213705112U (en) | 2020-11-20 | 2020-11-20 | Automobile air outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022700267.5U CN213705112U (en) | 2020-11-20 | 2020-11-20 | Automobile air outlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213705112U true CN213705112U (en) | 2021-07-16 |
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ID=76806828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022700267.5U Active CN213705112U (en) | 2020-11-20 | 2020-11-20 | Automobile air outlet |
Country Status (1)
| Country | Link |
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| CN (1) | CN213705112U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459769A (en) * | 2021-07-20 | 2021-10-01 | 宁波均胜群英汽车系统股份有限公司 | Air-conditioning outlet with four wind zones |
| CN115122877A (en) * | 2022-08-31 | 2022-09-30 | 宁波均胜群英汽车系统股份有限公司 | Air outlet with switchable air outlet direction |
| CN116231487A (en) * | 2023-03-22 | 2023-06-06 | 江苏大孚集成装备科技有限公司 | Preassembled transformer substation |
-
2020
- 2020-11-20 CN CN202022700267.5U patent/CN213705112U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113459769A (en) * | 2021-07-20 | 2021-10-01 | 宁波均胜群英汽车系统股份有限公司 | Air-conditioning outlet with four wind zones |
| CN115122877A (en) * | 2022-08-31 | 2022-09-30 | 宁波均胜群英汽车系统股份有限公司 | Air outlet with switchable air outlet direction |
| CN116231487A (en) * | 2023-03-22 | 2023-06-06 | 江苏大孚集成装备科技有限公司 | Preassembled transformer substation |
| CN116231487B (en) * | 2023-03-22 | 2024-02-02 | 江苏大孚集成装备科技有限公司 | Preassembled transformer substation |
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