CN222356778U - Power cabinet and converter - Google Patents
Power cabinet and converter Download PDFInfo
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- CN222356778U CN222356778U CN202420356300.2U CN202420356300U CN222356778U CN 222356778 U CN222356778 U CN 222356778U CN 202420356300 U CN202420356300 U CN 202420356300U CN 222356778 U CN222356778 U CN 222356778U
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Abstract
本申请公开了一种功率柜及变流器，功率柜包括柜体、功率模组、并网组件、电抗器组件、第一散热组件、第二散热组件、外部控制系统和撬棒组件，柜体通过柜体封板形成内部器件容置腔和外部器件容置腔，内部器件容置腔具有相互独立的第一腔体、第二腔体和第三腔体，柜体上设置的第一进风口和第一出风口设置在第二腔体的壁面，柜体上设置的第二进风口和第二出风口设置在第三腔体的壁面，撬棒组件设置在第一腔体，第一散热组件和功率模组设置在第二腔体，并网组件、电抗器组件和两个第二散热组件设置在第三腔体，外部控制系统设置在外部器件容置腔。其中，本申请实施例提供的功率柜可以节省了成本。
The present application discloses a power cabinet and a converter, wherein the power cabinet comprises a cabinet, a power module, a grid-connected component, a reactor component, a first heat dissipation component, a second heat dissipation component, an external control system and a crowbar component, wherein the cabinet forms an internal device accommodating cavity and an external device accommodating cavity through a cabinet sealing plate, wherein the internal device accommodating cavity has a first cavity, a second cavity and a third cavity which are independent of each other, wherein a first air inlet and a first air outlet provided on the cabinet are provided on the wall surface of the second cavity, wherein a second air inlet and a second air outlet provided on the cabinet are provided on the wall surface of the third cavity, wherein the crowbar component is provided in the first cavity, wherein a first heat dissipation component and a power module are provided in the second cavity, wherein a grid-connected component, a reactor component and two second heat dissipation components are provided in the third cavity, and an external control system is provided in the external device accommodating cavity. Among them, the power cabinet provided in the embodiment of the present application can save costs.
Description
Technical Field
The application relates to the technical field of electrical cabinets, in particular to a power cabinet and a current transformer.
Background
Along with the development of wind power industry, a converter in the related art generally comprises two sub-cabinets, wherein one sub-cabinet is provided with a grid-connected component and a control system, and the other sub-cabinet is provided with a power module and a reactor.
However, the current transformer layout provided in the related art causes space waste, and increases economic cost. In addition, the grid-connected component and the reactor in the converter provided by the related technology need to dissipate heat, but the grid-connected component and the reactor are respectively arranged in different sub-cabinets and share one cooling fan, so that the air duct path is complex, local wind heat aggregation is easy to cause, and a heat dissipation dead zone is further generated.
Disclosure of utility model
Based on the problems, the application provides a power cabinet and a converter, and aims to solve the problems of economic cost increase caused by space waste and heat dissipation dead zone caused by uneven heat dissipation in the prior art.
The embodiment of the application discloses the following technical scheme:
In a first aspect, an embodiment of the present application provides a power cabinet, including:
The cabinet body is provided with an internal device accommodating cavity and an external device accommodating cavity through a cabinet body sealing plate, the internal device accommodating cavity is provided with a first cavity, a second cavity and a third cavity which are mutually independent, the wall surface of the second cavity is provided with a first air inlet and a first air outlet, and the wall surface of the third cavity is provided with a second air inlet and a second air outlet;
the crowbar assembly is arranged in the first cavity;
the first heat dissipation component and the power module are arranged in the second cavity;
the grid-connected component, the reactor component and the two second heat dissipation components are arranged in the third cavity;
And the external control system is arranged in the external device accommodating cavity.
Optionally, the first cavity is located above the second cavity, the third cavity is located below the second cavity, the external device accommodating cavity is located on the front face of the cabinet, and the external device accommodating cavity is parallel to the second cavity.
Optionally, the first air inlet is located at the top end of the second cavity side wall, and the first air outlet is located at the bottom end of the second cavity side wall.
Optionally, the first heat dissipation component is located directly under the power module, and the first heat dissipation component is located downstream of the first air outlet along the airflow direction.
Optionally, the second air inlet is located at the bottom end of the third cavity side wall, and the second air outlet is located at the top end of the third cavity side wall.
Optionally, two second heat dissipation components are respectively installed at the upstream of the second air inlet and the upstream of the second air outlet.
Optionally, the third cavity forms a fifth cavity and a sixth cavity through a vertical partition plate;
The grid-connected component and the second heat dissipation component are arranged in the fifth cavity;
And the reactor component and the second heat dissipation component are arranged in the sixth cavity.
Optionally, the second air inlet is located at the bottom end of the side wall of the fifth cavity, the second air outlet is located at the top end of the side wall of the sixth cavity, and heat dissipation meshes are formed in the vertical partition plate.
Optionally, the grid-connected component is mounted on the vertical partition.
Optionally, the cabinet body further includes a board level control unit, the board level control unit is disposed at the rear of the cabinet body, and the board level control unit is parallel to the power module.
Optionally, the novel cabinet further comprises a cabinet door arranged on the front face of the cabinet body, a third air inlet and a fourth air inlet are formed in the cabinet door, the cabinet door is opposite to the back face of one side of the cabinet body, and the back of the cabinet door is opposite to the front face of one side of the cabinet body.
Optionally, the external control system is arranged on the back of the cabinet door through a hinge.
Optionally, the third air inlet is located at a first position, the first position is a position corresponding to the first air inlet, the fourth air inlet is located at a second position, and the second position is a position corresponding to the second air inlet.
Optionally, the third air inlet and the fourth air inlet are respectively provided with a first protection structure.
Optionally, the first protective structure is a mesh member and filter cotton.
Optionally, the first air inlet, the second air inlet, the first air outlet and the second air outlet are respectively provided with a second protection structure.
Optionally, the second protective structure is a mesh member.
Optionally, the first heat dissipation component is a centrifugal fan.
Optionally, the second heat dissipation component is an axial flow fan.
Optionally, the power module includes two three-phase machine side modules and one three-phase network side module.
Optionally, the reactor assembly comprises two machine side reactors and two grid side reactors.
In a second aspect, an embodiment of the present application provides a current transformer, including a power cabinet, where the power cabinet is the power cabinet in the first aspect.
Optionally, the converter is a wind power converter.
Compared with the prior art, the application has the following beneficial effects:
The power cabinet provided by the embodiment of the application comprises a cabinet body, a power module, a grid-connected component, a reactor component, a first heat dissipation component, a second heat dissipation component, an external control system and a crowbar component, wherein the cabinet body forms an internal device accommodating cavity and an external device accommodating cavity through a cabinet body sealing plate, the internal device accommodating cavity is provided with a first cavity, a second cavity and a third cavity which are mutually independent, a first air inlet and a first air outlet are arranged on the wall surface of the second cavity, a second air inlet and a second air outlet are arranged on the wall surface of the third cavity, the crowbar component is arranged in the first cavity, the first heat dissipation component and the power module are arranged in the second cavity, the grid-connected component, the reactor component and the two second heat dissipation components are arranged in the third cavity, and the external control system is arranged in the external device accommodating cavity. In the power cabinet provided by the embodiment of the application, all the components are integrated in one cabinet body, so that the space is saved, and the cost is further saved. In addition, the grid-connected component and the reactor component are arranged in the third cavity, and on the basis of sharing the same group of second heat dissipation components, an air duct is not arranged any more, so that a heat dissipation dead zone is avoided, and the safety of the power cabinet is improved.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a front view of a power cabinet according to an embodiment of the present application;
fig. 2 is a rear view of a power cabinet according to an embodiment of the present application;
Fig. 3 is a left side view of a power cabinet according to an embodiment of the present application;
Fig. 4 is a three-dimensional structure diagram of a power cabinet with a cabinet door opened according to an embodiment of the present application;
FIG. 5 is a three-position structure diagram of a power cabinet with a cabinet door closed according to an embodiment of the present application;
FIG. 6 is a rear view of a power cabinet according to an embodiment of the application including a rear door panel;
fig. 7 is a schematic diagram of airflow direction in a power cabinet according to an embodiment of the present application.
Wherein in fig. 1-7:
10-cabinet body, 11-cabinet body sealing plate, 12-partition board, 13-first cavity, 14-second cavity, 15-third cavity, 16-first air inlet, 17-second air inlet, 18-first air outlet, 19-second air inlet, 110-external device accommodating cavity, 111-vertical partition board, 112-fifth cavity and 113-sixth cavity;
201-a first heat dissipation assembly, 202-a second heat dissipation assembly;
30-power modules, 31-three-phase machine side modules and 32-three-phase network side modules;
40-grid-connected components and 41-copper bars;
a 50-reactor assembly, a 51-machine side reactor, a 52-net side reactor;
60-external control system, 61-board level control unit;
A 70-crowbar assembly;
80-cabinet door, 81-third air inlet, 82-fourth air inlet.
Detailed Description
As described above, in the study on the power cabinet, it was found that the current transformer in the related art generally includes two sub-cabinets, in which one sub-cabinet is provided with a grid-connected component and a control system, and the other sub-cabinet is provided with a power module and a reactor. That is, the current transformer provided in the related art is composed of two sub-cabinets.
However, the current transformer layout provided in the related art causes space waste, and increases economic cost. In addition, the grid-connected component and the reactor in the converter provided by the related technology need to dissipate heat, but the grid-connected component and the reactor are respectively arranged in different sub-cabinets and share one cooling fan, so that the air duct path is complex, local wind heat aggregation is easy to cause, and a heat dissipation dead zone is further generated.
In order to solve the problems, the embodiment of the application provides a power cabinet, which comprises a cabinet body, a power module, a grid-connected component, a reactor component, a first heat dissipation component, a second heat dissipation component, an external control system and a crowbar component, wherein the cabinet body forms an internal device accommodating cavity and an external device accommodating cavity through a cabinet body sealing plate, the internal device accommodating cavity is provided with a first cavity, a second cavity and a third cavity which are mutually independent, a first air inlet and a first air outlet are arranged on the wall surface of the second cavity, a second air inlet and a second air outlet are arranged on the wall surface of the third cavity, the crowbar component is arranged in the first cavity, the first heat dissipation component and the power module are arranged in the second cavity, the grid-connected component, the reactor component and the two second heat dissipation components are arranged in the third cavity, and the external control system is arranged in the external device accommodating cavity.
Therefore, in the power cabinet provided by the embodiment of the application, all the components are integrated in one cabinet body, so that the space is saved, and the cost is further saved. In addition, the grid-connected component and the reactor component are arranged in the third cavity, and on the basis of sharing the same group of second heat dissipation components, an air duct is not arranged any more, so that a heat dissipation dead zone is avoided, and the safety of the power cabinet is improved.
In order to make the present application better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
See fig. 1-7.
The power cabinet provided by the embodiment of the application can comprise a cabinet body 10, wherein the cabinet body 10 forms an internal device accommodating cavity and an external device accommodating cavity 110 through a cabinet body sealing plate 11, and the internal device accommodating cavity forms a first cavity 13, a second cavity 14 and a third cavity 15 through two partition plates 12. Wherein, in order to facilitate the later inspection and maintenance of the components within the cabinet 10, the cabinet closing plate 11 may be mounted on the housing of the cabinet 10 by threaded fasteners. Specifically, the cabinet sealing plate 11 may be a metal plate or an insulating plate. The outer peripheries of the two partition boards 12 can be connected in an adhesive bonding or integrated forming mode with the shell of the cabinet body 10, and in addition, in order to facilitate the disassembly of the partition boards 12, the partition boards 12 can be installed on the inner shell of the cabinet body 10 through threaded fasteners. In particular, the separator 12 may be a metal plate or an insulating plate. When the cabinet sealing plate 11 or the partition plate 12 is a metal plate, the cabinet sealing plate 11 or the partition plate 12 is spaced from other components in the cabinet 10 or connected through an insulating member.
In one possible implementation, when the cabinet 10 is disposed along the gravity direction, the first cavity 13 is located above the second cavity 14, and the third cavity 15 is located below the second cavity 14. In another possible implementation, when the cabinet 10 is disposed along the vertical direction of gravity, the first cavity 13, the second cavity 14, and the third cavity are disposed in sequence from left to right or from right to left along the vertical direction of gravity.
The cabinet body 10 is provided with a first air inlet 16, a second air inlet 17, a first air outlet 18 and a second air outlet 19, the first air inlet 16 and the first air outlet 18 are arranged on the wall surface of the second cavity 14, and the second air inlet 17 and the second air outlet 19 are arranged on the wall surface of the third cavity 15.
In one possible implementation, the first air inlet 16, the second air inlet 17, the first air outlet 18 and the second air outlet 19 are provided with second protective structures, respectively. Preferably, the second guard structure is a mesh member.
A crowbar assembly 70 is provided in the first cavity 13. In one possible implementation, the crowbar assembly 70 includes, but is not limited to, a crowbar control unit, a crowbar resistor, and other electrical devices, and the related art crowbar assembly includes electrical devices that are within the scope of the present application.
The first heat dissipation assembly 201 and the power module 30 are disposed in the second cavity 14. In some possible implementations, the power module 30 includes two three-phase machine side modules 31 and one three-phase grid side module 32.
The three-phase machine side module 31 and the three-phase net side module 32 each reserve an outlet of a three-phase power supply, and are connected to the three phases of the net side reactor 52 through cables and the machine side reactor 51.
The access of the machine side and the network side adopts a lower incoming line mode, and a large line is connected to a copper bar 41 led out by the grid-connected assembly 40.
In one possible implementation, the first air inlet 16 is located at the top end of the sidewall of the second cavity 14, and the first air outlet 18 is located at the bottom end of the sidewall of the second cavity 14. Further preferably, the first heat dissipation component 201 is located directly under the power module 30, and the first heat dissipation component 201 is located downstream of the first air outlet 18 along the airflow direction. Preferably, the first heat dissipating assembly 201 may be a centrifugal fan. Specifically, in conjunction with the airflow direction shown in fig. 7, when the first heat dissipation assembly 201 works, cold air enters from the first air inlet 16 and is discharged from the first air outlet 18 through the power module 30, so as to achieve the effect of dissipating heat from the power module 30.
It should be understood that, through setting up the first cooling module 201 alone to power module 30 and dispelling the heat, first cooling module 201 is centrifugal fan, make full use of the theory of operation of first cooling module 201, get into cold wind by first air intake 16, cold wind carries out the heat exchange with the heat that power module 30 produced and forms hot-blast, hot-blast is discharged through first air outlet 18 via first cooling module 201, do benefit to and dispel the heat to power module 30, avoid forming the heat dissipation dead zone, lead to the condition of heat gathering.
Grid-tie assembly 40, reactor assembly 50, and two second heat sink assemblies 202 are disposed in third cavity 15. In one possible implementation, the reactor assembly 50 may include two machine side reactors 51 and two grid side reactors 52.
The machine side reactor 51 and the two network side reactors 52 are self-cooling reactors, and the heat dissipation requirement is low, so long as the turbulent airflow exists.
In one possible implementation, the second air inlet 17 is located at the bottom end of the side wall of the third cavity 15, and the second air outlet 19 is located at the top end of the side wall of the third cavity 15. It is further preferred that two second heat dissipating components 202 are mounted upstream of the second air inlet 17 and upstream of the second air outlet 19, respectively. It should be understood that the second air inlet is located at the top end of the third cavity 15 as much as possible, so that the physical phenomenon that the hot air rises is fully utilized, heat dissipation of the grid-connected component 40 and the reactor component 50 is facilitated, and the situation that heat is accumulated due to formation of an air duct dead zone is avoided.
In one possible implementation, the third cavity 15 forms a fifth cavity 112 and a sixth cavity 113 through the vertical partition 111, and the grid-tie assembly 40 and the second heat sink assembly 202 are disposed in the fifth cavity 112, preferably the grid-tie assembly 40 is mounted on the vertical partition 111. The reactor assembly 50 and the second heat sink assembly 202 are disposed in the sixth cavity 113.
Specifically, the second air inlet 17 is located at the bottom end of the side wall of the fifth cavity 112, the second air outlet 19 is located at the top end of the side wall of the sixth cavity 113, and heat dissipation meshes are arranged on the vertical partition 111.
It should be understood that, with reference to the air flow direction shown in fig. 7, the second heat dissipation assembly 202 located in the fifth cavity 112 is configured to suck the cold air from the second air inlet 17, and then perform the first heat exchange with the grid-connected assembly 40, where the air flow after the first heat exchange flows to the sixth cavity 113 through the heat dissipation mesh provided by the vertical partition 111, and performs the second heat exchange with the reactor assembly 50, and the hot air passing through the second heat exchange is extracted through the second heat dissipation assembly 202 located in the sixth cavity 113.
The external control system 60 is disposed in the external device receiving chamber 110. The external device receiving cavity 110 is located on the front surface of the cabinet 10, and the external device receiving cavity 110 is juxtaposed with the second cavity 14. Referring specifically to fig. 7, the external device accommodating cavity 110 is located at a middle lower portion of the second cavity 14, and the external device accommodating cavity 110 is embedded in the second cavity 14. Further preferably, a heat dissipating mesh is provided on a region of the cabinet cover 11 corresponding to the external device accommodating chamber 110, and the other side of the heat dissipating mesh corresponds to the position of the first heat dissipating device 201. It should be appreciated that, by providing the heat dissipation mesh on the cabinet sealing plate 11, the first heat dissipation component 201 may draw out the hot air generated by the external control system 60 when the external control system 60 is in operation, so as to achieve heat dissipation of the external control system 60.
In one possible implementation, the cabinet 10 further includes a board level control unit 61, where the board level control unit 61 is disposed at the rear of the cabinet 10, and the board level control unit 61 is juxtaposed with the power module 30. As shown in fig. 2, the board level control unit 61 is disposed at the rear of the cabinet 10, isolated from the second chamber 14 by a metal plate or an insulating plate, and the board level control unit 61 is mounted on the metal plate or the insulating plate.
In a possible implementation, as shown in connection with fig. 4, the power cabinet further includes a cabinet door 80 disposed on the front surface of the cabinet body 10, a third air inlet 81 and a fourth air inlet 82 are disposed on the cabinet door 80, and the cabinet door 80 is opposite to the cabinet door 80 on one side of the cabinet body 10. Wherein, the side of the cabinet door 80 opposite to the cabinet body 10 is the front surface of the cabinet door 80 (as shown in fig. 5).
In one possible implementation, as shown in connection with fig. 4, the external control system 60 is also provided on the back of the cabinet door 80 by a hinge. The third air inlet 81 is located at a first position, where the first position corresponds to the first air inlet 16, and the fourth air inlet 82 is located at a second position, where the second position corresponds to the second air inlet 17. That is, when the cabinet door 80 is closed, the cold air can enter the second cavity 14 through the third air inlet 81 and then through the first air inlet 16, and similarly, when the cabinet door 80 is closed, the cold air can enter the third cavity through the fourth air inlet 82 and then through the second air inlet 17.
In one possible implementation, the second heat dissipating component 202 may also be mounted on the cabinet door 80, as shown in fig. 4, and when the cabinet door 80 is closed, the second heat dissipating component 202 may be embedded in the third cavity and located upstream of the second air inlet 17, so as to facilitate the intake of cold air from the outside.
In one possible implementation, the third air inlet 81 and the fourth air inlet 82 are provided with a first protection structure, respectively. Specifically, the first protective structure is a mesh piece and filter cotton.
The embodiment of the application also provides a converter, which comprises a power cabinet, wherein the power cabinet is any one of the power cabinets described in the embodiment.
Specifically, the current transformer provided by the embodiment of the application is a wind power current transformer.
It should be noted that the power cabinet provided in the embodiment of the present application may be used for a low-power converter, or other power converters, which is not limited herein.
It should be noted that, in the present specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment is mainly described in a different point from other embodiments.
The "first" and "second" in the names of "first", "second" (where present) and the like in the embodiments of the present application are used for name identification only, and do not represent the first and second in sequence.
The foregoing is only one specific embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present application should be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims (15)
1. A power cabinet, comprising:
The cabinet body (10), the cabinet body (10) forms an internal device accommodating cavity and an external device accommodating cavity (110) through a cabinet body sealing plate (11), the internal device accommodating cavity is provided with a first cavity (13), a second cavity (14) and a third cavity (15) which are mutually independent, the wall surface of the second cavity (14) is provided with a first air inlet (16) and a first air outlet (18), and the wall surface of the third cavity (15) is provided with a second air inlet (17) and a second air outlet (19);
a crowbar assembly (70) disposed in the first cavity (13);
The first heat dissipation component (201) and the power module (30) are arranged in the second cavity (14);
The grid-connected component (40), the reactor component (50) and the two second heat dissipation components (202) are arranged in the third cavity (15);
an external control system (60) disposed in the external device receiving chamber (110).
2. The power cabinet according to claim 1, wherein the first cavity (13) is located above the second cavity (14), the third cavity (15) is located below the second cavity (14), the external device receiving cavity (110) is located at the front side of the cabinet body (10), and the external device receiving cavity (110) is side by side with the second cavity (14).
3. The power cabinet according to claim 2, wherein the first air inlet (16) is located at a top end of the side wall of the second cavity (14), and the first air outlet (18) is located at a bottom end of the side wall of the second cavity (14).
4. A power cabinet according to claim 3, characterized in that the first heat dissipating component (201) is located directly below the power module (30), and that the first heat dissipating component (201) is located downstream of the first air outlet (18) in the air flow direction.
5. The power cabinet according to claim 2, wherein the second air inlet (17) is located at the bottom end of the side wall of the third cavity (15), and the second air outlet (19) is located at the top end of the side wall of the third cavity (15).
6. A power cabinet according to claim 5, characterized in that two of the second heat-dissipating components (202) are mounted upstream of the second air inlet (17) and upstream of the second air outlet (19), respectively, in the direction of the air flow.
7. The power cabinet according to claim 1, characterized in that the third cavity (15) forms a fifth cavity (112) and a sixth cavity (113) by means of a vertical partition (111);
The grid-connected component (40) and the second heat dissipation component (202) are arranged in the fifth cavity (112);
and the reactor component (50) and the second heat dissipation component (202) are arranged in the sixth cavity (113).
8. The power cabinet according to claim 7, wherein the second air inlet (17) is located at the bottom end of the side wall of the fifth cavity (112), the second air outlet (19) is located at the top end of the side wall of the sixth cavity (113), and heat dissipation meshes are arranged on the vertical partition plate (111).
9. The power cabinet according to claim 1, wherein the cabinet body (10) further comprises a board level control unit (61), the board level control unit (61) is arranged at the rear of the cabinet body (10), and the board level control unit (61) is juxtaposed with the power module (30).
10. The power cabinet according to any one of claims 1-9, further comprising a cabinet door (80) arranged on the front side of the cabinet body (10), wherein a third air inlet (81) and a fourth air inlet (82) are arranged on the cabinet door (80), the cabinet door (80) is a back side relative to one side of the cabinet body (10), and one side of the cabinet door (80) opposite to the cabinet body (10) is a front side.
11. The power cabinet according to claim 10, wherein the third air inlet (81) is located at a first position corresponding to the first air inlet (16), and the fourth air inlet (82) is located at a second position corresponding to the second air inlet (17).
12. The power cabinet according to any of claims 1-9, wherein the first heat dissipating component (201) is a centrifugal fan and the second heat dissipating component (202) is an axial fan.
13. The power cabinet according to any of claims 1-9, characterized in that the power module (30) comprises two three-phase machine side modules (31) and one three-phase grid side module (32).
14. A power cabinet according to any of claims 1-9, characterized in that the reactor assembly (50) comprises two machine side reactors (51) and two grid side reactors (52).
15. A current transformer comprising a power cabinet according to any one of claims 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420356300.2U CN222356778U (en) | 2024-02-26 | 2024-02-26 | Power cabinet and converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420356300.2U CN222356778U (en) | 2024-02-26 | 2024-02-26 | Power cabinet and converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222356778U true CN222356778U (en) | 2025-01-14 |
Family
ID=94202111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420356300.2U Active CN222356778U (en) | 2024-02-26 | 2024-02-26 | Power cabinet and converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222356778U (en) |
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2024
- 2024-02-26 CN CN202420356300.2U patent/CN222356778U/en active Active
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