CN217642234U - Outdoor integrated power cabinet structure of high protection type - Google Patents
Outdoor integrated power cabinet structure of high protection type Download PDFInfo
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- CN217642234U CN217642234U CN202221351463.9U CN202221351463U CN217642234U CN 217642234 U CN217642234 U CN 217642234U CN 202221351463 U CN202221351463 U CN 202221351463U CN 217642234 U CN217642234 U CN 217642234U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a high-protection outdoor integrated power cabinet structure, which comprises a waterproof door device, wherein the waterproof door device comprises a protective strip component and a water bar component, and the waterproof door device is arranged at two sides of a frame of a general cabinet body; the ventilation device is arranged on the power supply cabinet door; the ventilation device comprises a louver component, and the louver component is provided with a double layer; the top surface waterproof device comprises an upper cover and a lower cover, and the lower cover is connected to the inner cavity of the upper cover in a back-off manner; the top surface waterproof device is arranged on the top surface of the universal cabinet body frame. The utility model discloses use the general cabinet body, guarantee the commonality and do benefit to standardized management, adopt the ordinary cabinet body when not needing high protection, when needs improve the protection, only need add part and manufacturing process can reach IP44 protection requirement, do benefit to the standardized maintenance of product, reduce kind administrative cost, it is simple effective to can directly use in the open air, change the restriction that power plant integration power cabinet can only use at indoor.
Description
Technical Field
The utility model relates to an outdoor integrative cabinet body design technical field specifically is an outdoor integrated power cabinet structure of high protection type.
Background
The low-voltage distribution integration power cabinet who commonly uses is indoor structure, and is waterproof, prevents that the foreign matter grade only satisfies IP 30's requirement, can't satisfy outdoor IP44 protection operation requirement, and wherein, IP 30's requirement can be understood as: the test rod with the diameter of 2.5mm can not touch the danger source in the cabinet, and the product has no waterproof performance. The requirements of IP44 can be understood as: the test rod with the diameter of 1mm and the length of 100mm can not touch a hazard source in the cabinet, and has the functions of preventing water splashing and splashing. Therefore, the integrated power cabinet can only be used indoors, cannot be suitable for some outdoor rain and water splashing environments, and cannot be subjected to standardized design and construction design management, so that a power cabinet structure which can be directly used outdoors, meets the IP44 protection requirement, and is simple in manufacturing design and easy in standardized construction is needed.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract of the specification and the title of the application may be somewhat simplified or omitted to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplification or omission may not be used to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the prior art.
Therefore, the utility model aims to solve the technical problem that present power cabinet can only be in indoor use, can't satisfy the IP44 protection requirement of outdoor use, can't carry out standardized maintenance problem.
In order to solve the technical problem, the utility model provides a following technical scheme: a high-protection outdoor integrated power cabinet structure comprises,
the waterproof door device comprises a protective strip assembly and a water retaining strip assembly, and the waterproof door device is arranged on two sides of the universal cabinet body frame;
the ventilation device is arranged on the power supply cabinet door; the ventilation device comprises a louver assembly, and the louver assembly is provided with a double layer;
the top surface waterproof device comprises an upper cover and a lower cover, and the lower cover is connected to the inner cavity of the upper cover in a reverse buckling manner; the top surface waterproof device is arranged on the top surface of the universal cabinet body frame.
As a preferred scheme of the outdoor integrated power cabinet structure of high protection type, wherein: the protection strip subassembly includes horizontal outer protection strip and vertical outer protection strip, horizontal outer protection strip set up in the crossbeam outside of general cabinet body frame, vertical outer protection strip set up in the stand outside of general cabinet body frame.
As a preferred scheme of the outdoor integrated power cabinet structure of high protection type, wherein: the water bar component comprises a transverse water bar and a longitudinal water bar, the transverse water bar is arranged on the inner side of the cross beam, and the longitudinal water bar is arranged on the inner side of the stand column.
As a preferred scheme of the outdoor integrated power cabinet structure of high protection type, wherein: the transverse outer protection strip is provided with a drain hole, and the drain hole is communicated with the longitudinal outer protection strip.
As a preferred scheme of the outdoor integrated power cabinet structure of high protection type, wherein: the waterproof door device further comprises rubber sealing strips, and the rubber sealing strips are arranged on the transverse water retaining strips and the longitudinal water retaining strips.
As a preferred scheme of the outdoor integrated power cabinet structure of high protection type, wherein: the door lock device comprises a lock catch and a door lock rod, the lock catch is connected with the transverse water retaining strip, and the door lock rod is arranged on the cabinet door.
As a preferred scheme of the outdoor integrated power cabinet structure of high protection type, wherein: the louver assembly is provided with two layers comprising an outer louver and an inner louver, and the directions of ventilation openings of the outer louver and the inner louver are opposite; and a dust screen is also arranged between the outer side shutter and the inner side shutter.
As a preferred scheme of the outdoor integrated power cabinet structure of high protection type, wherein: the ventilating device further comprises a water draining groove and water leaking holes, the water draining groove is arranged below the edge of the inner side shutter, and the water leaking holes are formed in the bottom of the inner side of the power cabinet door.
As a preferred scheme of the outdoor integrated power cabinet structure of high protection type, wherein: still include side watertight fittings, side watertight fittings includes flange limit and sealing strip, the flange limit connect in the stand is inboard, the sealing strip set up in the flange edge.
As a preferred scheme of the outdoor integrated power cabinet structure of high protection type, wherein: the top surface waterproof device further comprises a supporting piece, one end of the supporting piece is arranged on one side of the lower cover, and the other end of the supporting piece is connected with the upper cover.
The utility model has the advantages that: the utility model discloses the outdoor integrated power cabinet structure of high protection type uses the general cabinet body, guarantees the commonality and does benefit to standardized management, adopts the ordinary cabinet body when not needing high protection, when needs improve the protection, only needs to add part and manufacturing process and can reach IP44 protection requirement, does benefit to the standardized maintenance of product, reduces kind administrative cost, and is simple effective to can directly use in the open air, change the restriction that power plant integrated power cabinet can only use at indoor.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a schematic view of the overall structure connection of a high-protection outdoor integrated power cabinet according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a high-protection outdoor integrated power cabinet waterproof door device according to an embodiment of the present invention;
fig. 3 is a schematic view of a general frame structure of a high-protection outdoor integrated power cabinet according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a side waterproof device in a high-protection outdoor integrated power cabinet according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a ventilation device in a high-protection outdoor integrated power cabinet according to an embodiment of the present invention;
fig. 6 is a schematic view of an enlarged structure of a transverse outer protection strip in the high-protection outdoor integrated power cabinet according to an embodiment of the present invention;
fig. 7 is a schematic view of a top surface waterproof device in a high-protection outdoor integrated power cabinet according to an embodiment of the present invention;
fig. 8 is an embodiment of the utility model provides an embodiment the outdoor integrated power cabinet top watertight fittings mounting structure sketch map of high protection type.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1-3 and fig. 6, the embodiment provides a high-protection outdoor integrated power cabinet structure, including a waterproof door device 100, where the waterproof door device 100 includes a protection strip assembly 101 and a water bar assembly 102, and the waterproof door device 100 is disposed on two sides of a general cabinet frame a; the ventilation device 200 is arranged on the power supply cabinet door, and the ventilation device 200 is arranged on the power supply cabinet door; the ventilation device 200 includes a louver assembly 201, the louver assembly 201 being provided with a double layer; the top surface waterproof device 300, the top surface waterproof device 300 includes upper cover 301 and lower cover 302, the lower cover 302 is connected to the inner cavity of the upper cover 301 in an inverted manner; the top surface waterproof device 300 is arranged on the top surface of the universal cabinet frame A.
It should be noted that the waterproof door device 100 is disposed on two sides of the frame a of the general-purpose cabinet, and two sets of the waterproof door device are disposed to cooperate with the front and rear power cabinet doors. Specifically, the front power cabinet door and the rear power cabinet door are external doors, the external doors protrude out of the cabinet body frame, namely the doors can cover the general cabinet body frame A, the depth direction size is larger than that of the internal doors, and a waterproof sealing structure is convenient to arrange.
Furthermore, the protection bar assembly 101 includes a transverse outer protection bar 101a and a longitudinal outer protection bar 101b, the transverse outer protection bar 101a is disposed on the outer side of the cross beam A1 of the universal cabinet frame a, and the longitudinal outer protection bar 101b is disposed on the outer side of the upright post A2 of the universal cabinet frame a.
It should be noted that the transverse outer protection strip 101a and the longitudinal outer protection strip 101b may be connected with the cross beam A1 and the upright A2 by welding, and the transverse outer protection strip 101a and the longitudinal outer protection strip 101b form a closed ring at the outer side of the door, so as to prevent direct intrusion of rainwater.
Further, the water bar assembly 102 includes a transverse water bar 102a and a longitudinal water bar 102b, the transverse water bar 102a is disposed inside the beam A1, and the longitudinal water bar 102b is disposed inside the pillar A2.
Further, the watertight door apparatus 100 further includes rubber sealing strips 103, and the rubber sealing strips 103 are disposed on the transverse water bar 102a and the longitudinal water bar 102 b.
It should be noted that the transverse water bar 102a and the longitudinal water bar 102b can also be connected to the inner side of the beam A1 and the inner side of the pillar A2 by welding, so as to form a closed ring at the inner side of the door, and to install the rubber sealing strip 103, even if a small amount of water penetrates into the door gap from the outer side after the door is closed, the intrusion of the splashed water can be completely prevented by the sealing ring structure at the inner layer of the door.
Furthermore, the transverse outer protection strip 101a is provided with a drainage hole 101a-1, and the drainage hole 101a-1 is communicated with the longitudinal outer protection strip 101b.
It should be noted that the notch of the transverse outer protection strip 101a is upward, and rainwater can be guided to the drainage holes 101a-1 at two sides after being received, so as to be drained to the ground through the longitudinal outer protection strip 101b.
Furthermore, the door locking device 400 is further included, and the door locking device includes a lock catch 401 and a door locking rod 402, wherein the lock catch 401 is connected to the transverse water bar 102a, and the door locking rod 402 is disposed on the door.
It should be noted that the lock 401 may be connected to the transverse water bar 102a by welding, and is used for fixing the door lock lever 402 when the door is closed. Meanwhile, hinge mounting holes are formed in the transverse outer protective strips 101a and used for correspondingly mounting door hinges on the cabinet doors, the door hinges are arranged on the outer sides of the longitudinal water retaining strips 102b, so that water resistance is not affected, sealing is achieved after the doors are closed, and the door structure is suitable for both the front cabinet door and the rear cabinet door.
Example 2
Referring to fig. 1, 7 and 8, the embodiment provides a detection process of a high-protection outdoor integrated power cabinet structure based on the previous embodiment, and the detection process includes a waterproof door device 100, where the waterproof door device 100 includes a protective strip assembly 101 and a water bar assembly 102, and the waterproof door device 100 is disposed on two sides of a general cabinet frame a; the ventilation device 200 is arranged on the power supply cabinet door, and the ventilation device 200 is arranged on the power supply cabinet door; the ventilation device 200 includes a louver assembly 201, the louver assembly 201 being provided with a double layer; the top surface waterproof device 300, the top surface waterproof device 300 includes upper cover 301 and lower cover 302, the lower cover 302 is connected to the inner cavity of the upper cover 301 in an inverted manner; the top surface waterproof device 300 is arranged on the top surface of the universal cabinet frame A.
Further, the louver assembly 201 has two layers, including an outer louver 201a and an inner louver 201b, the outer louver 201a and the inner louver 201b have opposite ventilation openings; a dust screen 201c is also arranged between the outer louver 201a and the inner louver 201 b.
It should be noted that, the air vents of the outer louver 201a and the inner louver 201b are in opposite directions, and specifically, the air vent of the outer louver 201a faces downward, so that rainwater can be prevented; the inner louver 201b is "inverted" with the vent holes facing upward to prevent water from splashing outside. The dust screen 201c can block part of dust and disperse a large amount of splashed water, thereby reducing impact.
Furthermore, the ventilation device 200 further comprises a drain tank 203 and a water leakage hole 204, the drain tank is disposed below the edge of the inner louver 201b, and the water leakage hole 204 is disposed at the bottom of the inner side of the power cabinet door.
It should be noted that the drain groove 203 drains a part of the water that may be splashed into the bottom of the rear door, and the water is collected in the drain hole 204 and discharged.
Example 3
Referring to fig. 1, 3 and 4, the embodiment provides a detection process of a high-protection outdoor integrated power cabinet structure based on the previous embodiment, and the detection process includes a waterproof door device 100, where the waterproof door device 100 includes a protective strip assembly 101 and a water bar assembly 102, and the waterproof door device 100 is disposed on two sides of a general cabinet frame a; the ventilation device 200 is arranged on the power supply cabinet door, and the ventilation device 200 is arranged on the power supply cabinet door; the ventilation apparatus 200 includes a louver assembly 201, and the louver assembly 201 is provided with a double layer.
Furthermore, the side waterproof device 500 is further included, the side waterproof device 500 includes a flange 501 and a sealing strip 502, the flange 501 is connected to the inner side of the pillar A2, and the sealing strip 502 is disposed on the flange 501.
It should be noted that the flange 501 and the sealing strip 502 can prevent the invasion of rainwater, and the side sealing plate for installation is the side sealing plate of a general cabinet body, can be used for high protection and low protection, and only increase and improve standardized installation and maintenance through the flange 501 and the sealing strip 502.
The top surface waterproof device 300, the top surface waterproof device 300 includes upper cover 301 and lower cover 302, the lower cover 302 is connected to the inner cavity of the upper cover 301 in an inverted manner; the top surface waterproof device 300 is arranged on the top surface of the universal cabinet frame A.
Furthermore, the waterproof device 300 further includes a supporting member 303, one end of the supporting member 303 is disposed at one side of the lower cover 302, and the other end is connected to the upper cover 301.
It should be noted that, the upper cover 301 and the lower cover 302 are in a mutually reverse-buckled mode, the upper cover 301 is larger than the lower cover 302, the lower edge of the upper cover 301 exceeds the upper edge of the lower cover 302, the rainproof effect is achieved, meanwhile, foreign matters are prevented from entering, and the requirement of IP44 is met.
Specifically, lower cover 302 is the fretwork of bottom, and the purpose is in order to guarantee power cabinet top heat dissipation channel's radiating effect. The support member 303 is a sheet metal structure, replaces the original hexagonal steel, is convenient to process, and the lower cover 302 and the support member 303 are both made of aluminum-coated zinc plates, do not need subsequent surface treatment and are superior to the existing structure; the support member 303 and the lower cover 302 are connected by rivets, are tightly combined, and have a function of preventing water from splashing. Meanwhile, the upper cover 301 is provided with a mounting hole which is connected with a mounting hole on the support member 303 through a screw-fit nail and is mounted on the outer side of the lower cover 302, so that rainwater can be prevented from permeating into the cabinet through the mounting hole.
When the top surface waterproof device 300 is integrally installed on the top surface of the power supply cabinet, the lower cover 302 is provided with a threaded hole corresponding to the through hole of the cabinet body, the size of the installation hole is completely consistent with that of the existing installation hole, the top cover of the low-protection type cabinet body can be directly replaced, and the universality of the cabinet body is ensured; the lower cover 302 is attached to the top of the cabinet, and the edges of the lower cover are sealed and filled with glue, so that the lower cover can be protected from rainwater.
This power cabinet combines current cabinet body structure, has increased the rain-proof splashproof water and the dustproof ventilation structure of door frame, cabinet top, curb plate, has satisfied the standard of the IP44 of outdoor power cabinet, does benefit to standardized management and installation.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides an outdoor integrated power cabinet structure of high protection type which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the waterproof door device (100) comprises a protective strip assembly (101) and a water retaining strip assembly (102), and the waterproof door device (100) is arranged on two sides of a universal cabinet body frame (A);
the ventilation device (200), the ventilation device (200) is arranged on the power cabinet door; the ventilation device (200) comprises a louver assembly (201), wherein the louver assembly (201) is provided with two layers;
the top surface waterproof device (300) comprises an upper cover (301) and a lower cover (302), and the lower cover (302) is connected to the inner cavity of the upper cover (301) in an inverted manner; the top surface waterproof device (300) is arranged on the top surface of the universal cabinet body frame (A).
2. The outdoor integrated power cabinet structure of high protection type of claim 1, characterized in that: the protection strip assembly (101) comprises a transverse outer protection strip (101 a) and a longitudinal outer protection strip (101 b), the transverse outer protection strip (101 a) is arranged on the outer side of a cross beam (A1) of the general cabinet body frame (A), and the longitudinal outer protection strip (101 b) is arranged on the outer side of a stand column (A2) of the general cabinet body frame (A).
3. The high-protection outdoor integrated power cabinet structure according to claim 2, characterized in that: the water bar component (102) comprises a transverse water bar (102 a) and a longitudinal water bar (102 b), the transverse water bar (102 a) is arranged on the inner side of the beam (A1), and the longitudinal water bar (102 b) is arranged on the inner side of the upright post (A2).
4. The high-protection outdoor integrated power cabinet structure according to claim 3, wherein: the transverse outer protective strip (101 a) is provided with a drain hole (101 a-1), and the drain hole (101 a-1) is communicated with the longitudinal outer protective strip (101 b).
5. The high-protection outdoor integrated power cabinet structure according to claim 3 or 4, wherein: the waterproof door device (100) further comprises a rubber sealing strip (103), and the rubber sealing strip (103) is arranged on the transverse water retaining strip (102 a) and the longitudinal water retaining strip (102 b).
6. The high-protection outdoor integrated power cabinet structure according to claim 5, wherein: the door lock is characterized by further comprising a door lock buckling device (400), wherein the door lock buckling device comprises a lock catch (401) and a door lock rod (402), the lock catch (401) is connected to the transverse water retaining strip (102 a), and the door lock rod (402) is arranged on the cabinet door.
7. The high-protection outdoor integrated power cabinet structure according to claim 6, wherein: the louver assembly (201) is provided with two layers, including an outer louver (201 a) and an inner louver (201 b), and the ventilation openings of the outer louver (201 a) and the inner louver (201 b) are opposite in direction; and a dustproof net (201 c) is also arranged between the outer side louver (201 a) and the inner side louver (201 b).
8. The high-protection outdoor integrated power cabinet structure according to claim 7, wherein: the ventilating device (200) further comprises a water draining groove (203) and water leaking holes (204), the water draining groove is formed in the lower portion of the edge of the inner side shutter (201 b), and the water leaking holes (204) are formed in the bottom of the inner side of the power cabinet door.
9. The high-protection outdoor integrated power cabinet structure according to claim 8, wherein: still include side watertight fittings (500), side watertight fittings (500) include flange limit (501) and sealing strip (502), flange limit (501) connect in stand (A2) are inboard, sealing strip (502) set up in on flange limit (501).
10. The high-protection outdoor integrated power cabinet structure according to claim 8 or 9, wherein: the top surface waterproof device (300) further comprises a supporting piece (303), one end of the supporting piece (303) is arranged on one side of the lower cover (302), and one end of the supporting piece is connected with the upper cover (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221351463.9U CN217642234U (en) | 2022-05-26 | 2022-05-26 | Outdoor integrated power cabinet structure of high protection type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221351463.9U CN217642234U (en) | 2022-05-26 | 2022-05-26 | Outdoor integrated power cabinet structure of high protection type |
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| Publication Number | Publication Date |
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| CN217642234U true CN217642234U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221351463.9U Active CN217642234U (en) | 2022-05-26 | 2022-05-26 | Outdoor integrated power cabinet structure of high protection type |
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| Country | Link |
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| CN (1) | CN217642234U (en) |
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2022
- 2022-05-26 CN CN202221351463.9U patent/CN217642234U/en active Active
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