CN223437014U - Power cabinet - Google Patents
Power cabinetInfo
- Publication number
- CN223437014U CN223437014U CN202422634744.0U CN202422634744U CN223437014U CN 223437014 U CN223437014 U CN 223437014U CN 202422634744 U CN202422634744 U CN 202422634744U CN 223437014 U CN223437014 U CN 223437014U
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- side inductor
- heat dissipation
- installation space
- power
- machine
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Abstract
The embodiment of the specification relates to the technical field of power electronic equipment, in particular to a power cabinet. The power cabinet comprises a cabinet body, a machine side inductor, a power module assembly, a net side inductor, a capacitor pool assembly and a heat dissipation assembly, wherein an inner circulation heat dissipation air channel is formed in the cabinet body, the machine side inductor, the power module assembly, the net side inductor and the capacitor pool assembly are all located in the same inner circulation heat dissipation air channel in the cabinet body, the heat dissipation assembly comprises a heat dissipation fan and a heat exchanger, the heat dissipation fan and the heat exchanger are all located in the inner circulation heat dissipation air channel, an air outlet of the heat dissipation fan faces the machine side inductor, and an air inlet of the heat dissipation fan faces an air outlet end of the capacitor pool assembly. The power cabinet provided by the implementation of the specification enables the machine side inductor, the power module component, the network side inductor and the capacitor pool component in the cabinet body to share the heat dissipation fan and the heat exchanger in the internal circulation heat dissipation air duct, so that the power cabinet is simple in structure, heat dissipation cost is reduced, maintenance is facilitated, and the heat dissipation effect is good.
Description
Technical Field
The embodiment of the specification relates to the technical field of power electronic equipment, in particular to a power cabinet.
Background
Along with the rapid development of new energy industry, the power grade of the converter is continuously increased, and along with the increase of the power grade, the heat dissipation of devices in the power cabinet of the converter is very important.
The existing converter power cabinet needs to independently dissipate heat aiming at the capacitor cell component and the inductor due to the layout mode of the internal devices, so that the heat dissipation structure is more and more complex, and the heat dissipation cost is higher and higher.
Disclosure of utility model
An object of the embodiment of the specification is to provide a power cabinet, so as to simplify a heat dissipation assembly inside the power cabinet, reduce heat dissipation cost, and facilitate maintenance of the power cabinet, and have a good heat dissipation effect.
To achieve the purpose, the embodiment of the specification adopts the following technical scheme:
A power cabinet, comprising:
The cabinet body is internally provided with an internal circulation heat dissipation air duct;
The power module assembly, the network side inductor and the capacitor pool assembly are all positioned in the same internal circulation heat dissipation air duct in the cabinet body;
The heat dissipation assembly comprises a heat dissipation fan and a heat exchanger, the heat dissipation fan and the heat exchanger are both positioned in the internal circulation heat dissipation air duct, an air outlet of the heat dissipation fan faces the machine side inductor, and an air inlet of the heat dissipation fan faces an air outlet end of the capacitor pool assembly.
As an alternative scheme, a first installation space and a second installation space which are sequentially arranged along the horizontal direction are arranged in the cabinet body, and the first installation space and the second installation space are sequentially communicated end to form the internal circulation heat dissipation air duct;
The machine side inductor, the power module assembly and the net side inductor are sequentially distributed in the first installation space along the vertical direction and are sequentially electrically connected, the capacitor pool assembly is electrically connected with the power module assembly, and the capacitor pool assembly is located in the second installation space.
Alternatively, the heat dissipation fan is located in the second installation space, and the heat dissipation fan is opposite to the capacitor cell assembly in the vertical direction.
As an alternative, the heat exchanger is located below the cooling fan, and the air flow in the internal circulation cooling air duct passes through the heat exchanger and then passes through the cooling fan.
As an alternative, the heat exchanger is located above the mesh-side inductor, and the air flow in the internal circulation cooling air duct passes through the heat exchanger after passing through the mesh-side inductor.
As an alternative, the machine side inductor has a machine side inductor input port and a machine side inductor output port, the power module assembly has a power input port and a power output port, the net side inductor has a net side inductor input port and a net side inductor output port, the power input port is electrically connected with the machine side inductor output port, and the power output port is electrically connected with the net side inductor input port;
The power input port and the power output port are both positioned at one side of the power module assembly away from the second installation space;
The machine side inductance output port is located at one side of the machine side inductance close to the second installation space, or the net side inductance input port is located at one side of the net side inductance close to the second installation space, or the machine side inductance output port is located at one side of the machine side inductance close to the second installation space and the net side inductance input port is located at one side of the net side inductance close to the second installation space.
Alternatively, the side inductance input port is located at a side of the side inductance away from the second installation space, and the net side inductance output port is located at a side of the net side inductance away from the second installation space.
Alternatively, the power cabinet further includes:
A first conductive element through which the power input port and the machine side inductance output port are electrically connected, and
And the power output port and the network side inductance input port are electrically connected through the second conductive element, and the second conductive element is positioned above the heat exchanger.
As an alternative, the first installation space is far away from the side of the second installation space and is provided with an opening, the power cabinet further comprises a cabinet door, the cabinet door is movably connected with the cabinet body, and the cabinet door is used for closing or opening the opening.
Alternatively, the heat dissipation assembly further comprises a cooling water pipe, wherein the cooling water pipe is located in the first installation space, and the cooling water pipe is communicated with the heat exchanger.
The embodiment of the specification provides a power cabinet, this power cabinet includes the cabinet body, machine side inductance, power module subassembly, net side inductance, electric capacity pond subassembly and radiator unit, wherein, the inside of the cabinet body is formed with the inner loop heat dissipation wind channel, machine side inductance, power module subassembly, net side inductance and electric capacity pond subassembly all are arranged in the internal same inner loop heat dissipation wind channel of cabinet, radiator unit includes radiator fan and heat exchanger, radiator fan and heat exchanger homoenergetic are in the inner loop heat dissipation wind channel. Above-mentioned power cabinet's design for the inside machine side inductance of cabinet body, power module subassembly, net side inductance and electric capacity pond subassembly all are located the internal same inner loop heat dissipation wind channel of cabinet, and radiator fan and heat exchanger in the shared inner loop heat dissipation wind channel, make simple structure, need not to set up a plurality of heat dissipation wind channels and a plurality of heat dissipation subassembly, also reduced the heat dissipation cost, be convenient for maintain. In addition, through making radiator fan's air outlet towards the machine side inductance for radiator fan's air intake is towards the air-out end of electric capacity pond subassembly, has guaranteed radiator fan's amount of wind between electric capacity pond subassembly and machine side inductance, has improved the radiating effect.
Drawings
Fig. 1 is a schematic structural diagram of a power cabinet according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a power cabinet according to a second embodiment of the present disclosure;
Fig. 3 is a schematic structural diagram of a power cabinet according to a third embodiment of the present disclosure;
Fig. 4 is a schematic structural diagram of a power cabinet according to a fourth embodiment of the present disclosure.
In the figure:
1. The cabinet body, the 11, the inner circulation heat dissipation air duct, the 12, the first installation space, the 121, the opening, the 13, the second installation space, the 2, the machine side inductor, the 21, the machine side inductor input port, the 22, the machine side inductor output port, the 3, the power module component, the 31, the power input port, the 32, the power output port, the 4, the net side inductor, the 41, the net side inductor input port, the 42, the net side inductor output port, the 5, the capacitor pool component, the 6, the heat dissipation component, the 61, the heat dissipation fan, the 62, the heat exchanger, the 63, the cooling water pipe, the 7, the first conductive element, the 8, the second conductive element, the 9 and the cabinet door.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the embodiments of the present specification more clear, the technical solutions of the embodiments of the present specification are further described below by specific embodiments with reference to the accompanying drawings.
In the description of the embodiments of the present specification, unless explicitly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through intermediaries, or in communication between two elements or in interaction with each other. The specific meaning of the terms in the embodiments of the present specification will be understood in detail by those skilled in the art.
In the present description embodiments, unless expressly specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include both the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present specification. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Example 1
The existing converter power cabinet needs to independently dissipate heat aiming at the capacitor cell component and the inductor due to the layout mode of the internal devices, so that the heat dissipation structure is more and more complex, the heat dissipation cost is higher and higher, and the corresponding maintenance of the heat dissipation structure is inconvenient.
In order to solve the above-mentioned problems, as shown in fig. 1, the present embodiment provides a power cabinet, which includes a cabinet body 1, a machine side inductor 2, a power module assembly 3, a net side inductor 4, a capacitor pool assembly 5 and a heat dissipation assembly 6, wherein an internal circulation heat dissipation air duct 11 is formed in the cabinet body 1, the machine side inductor 2, the power module assembly 3, the net side inductor 4 and the capacitor pool assembly 5 are all located in the same internal circulation heat dissipation air duct 11 in the cabinet body 1, the heat dissipation assembly 6 includes a heat dissipation fan 61 and a heat exchanger 62, the heat dissipation fan 61 and the heat exchanger 62 are all located in the internal circulation heat dissipation air duct 11, an air outlet of the heat dissipation fan 61 faces the machine side inductor 2, and an air inlet of the heat dissipation fan 61 faces an air outlet end of the capacitor pool assembly 5. The power cabinet provided by this embodiment for the inside machine side inductance 2 of cabinet body 1, power module subassembly 3, net side inductance 4 and electric capacity pond subassembly 5 all are located the same inner loop cooling wind channel 11 in the cabinet body 1, and radiator fan 61 and heat exchanger 62 in the shared inner loop cooling wind channel 11, make simple structure, need not to set up a plurality of cooling wind channels and a plurality of cooling module 6, also reduced the radiating cost, be convenient for maintain. In addition, through making the air outlet of radiator fan 61 towards machine side inductance 2 for the air intake of radiator fan 61 is towards the air-out end of electric capacity pond subassembly 5, has guaranteed the amount of wind of radiator fan 61 between electric capacity pond subassembly 5 and machine side inductance 2, has improved the radiating effect.
Alternatively, in this embodiment, the heat exchanger 62 may be an air-water heat exchanger, and the air-water heat exchanger has the advantages of energy saving, environmental protection and good cooling effect.
In this embodiment, as shown in fig. 1, a first installation space 12 and a second installation space 13 which are sequentially arranged along a horizontal direction (front-rear direction in the drawing) are arranged in the cabinet body 1, the first installation space 12 and the second installation space 13 are sequentially communicated end to form an internal circulation heat dissipation air duct 11, a machine side inductor 2, a power module assembly 3 and a network side inductor 4 are sequentially arranged along a vertical direction (up-down direction in the drawing) in the first installation space 12 and are sequentially electrically connected, a capacitor pool assembly 5 is electrically connected with the power module assembly 3, and the capacitor pool assembly 5 is positioned in the second installation space 13. The arrangement mode of each device in the cabinet body 1 ensures that the devices which are electrically connected with each other are adjacently arranged, and is convenient for wiring. In addition, the arrangement mode of each device in the cabinet body 1 can fully utilize the space of the internal circulation heat dissipation air duct 11 in the cabinet body 1, and ensure the air cooling heat dissipation effect on each device. Optionally, in the present embodiment, the capacitive cell assembly 5 is adjacent to the power module assembly 3, so that the capacitive cell assembly 5 is electrically connected to the power module assembly 3.
Alternatively, in the present embodiment, as shown in fig. 1, the heat radiation fan 61 is located in the second installation space 13, and the heat radiation fan 61 is opposed to the capacitor cell assembly 5 in the vertical direction. The heat generated by the capacitor pool assembly 5 in the working process is large, and the layout mode of the cooling fan 61 improves the blowing effect of the cooling fan 61 on the capacitor pool assembly 5, so that the heat dissipation effect on the capacitor pool assembly 5 is preferentially ensured.
Alternatively, in the present embodiment, as shown in fig. 1, the heat exchanger 62 is located below the cooling fan 61, and the air flow in the inner circulation cooling air duct 11 passes through the heat exchanger 62 and then passes through the cooling fan 61. The heat exchanger 62 and the cooling fan 61 are arranged in such a way that the cold air flow generated after passing through the heat exchanger 62 passes through the cooling fan 61, so as to ensure that the cooling fan 61 blows the cold air flow to circulate in the inner circulation cooling air duct 11.
Optionally, in this embodiment, as shown in fig. 1, the heat exchanger 62 is located above the network side inductor 4, and the air flow in the internal circulation cooling air duct 11 passes through the network side inductor 4 and then passes through the heat exchanger 62. The arrangement ensures that the hot air flow generated after passing through the network side inductor 4 timely exchanges heat with the heat exchanger 62, and the cold air flow generated after passing through the heat exchanger 62 passes through the cooling fan 61, so that the cooling fan 61 blows the cold air flow to circularly flow in the internal circulation cooling air duct 11.
Alternatively, in the present embodiment, as shown in fig. 1, the heat radiation fan 61 is located above the capacitor cell assembly 5. Under the action of the cooling fan 61, the air flow in the internal circulation cooling air duct 11 starts to flow upwards from the bottom of the net side inductor 4, becomes cold air flow after passing through the heat exchanger 62 and enters the second installation space 13, sequentially flows through the capacitor pool assembly 5 and the cooling fan 61 in the second installation space 13 and then enters the first installation space 12, and the cold air flow downwards flows in the first installation space 12, sequentially passes through the machine side inductor 2, the power module assembly 3 and the net side inductor 4 and then flows back to the bottom of the net side inductor 4, so that a circulation path of the air flow is formed. Above-mentioned flow path of air current in inner loop heat dissipation wind channel 11 can be preferentially cool down to the high electric capacity pond subassembly 5 of heat dissipation demand, and then cool down machine side inductance 2, power module subassembly 3 and net side inductance 4 in proper order, has satisfied the cooling demand of each device in the cabinet body 1, has guaranteed the normal work of whole power cabinet.
In the present embodiment, as shown in fig. 1, the machine side inductor 2 has a machine side inductor input port 21 and a machine side inductor output port 22, the power module assembly 3 has a power input port 31 and a power output port 32, the net side inductor 4 has a net side inductor input port 41 and a net side inductor output port 42, the power input port 31 is electrically connected with the machine side inductor output port 22, the power output port 32 is electrically connected with the net side inductor input port 41, the power input port 31 and the power output port 32 are both located on a side of the power module assembly 3 away from the second installation space 13, and the net side inductor input port 41 is located on a side of the net side inductor 4 close to the second installation space 13. The arrangement of the ports ensures that the ports of the devices in the cabinet body 1 are distributed on different sides, so that the conductive elements for realizing the electric connection of the ports are prevented from being concentrated at the same side in the cabinet body 1, the density of the conductive elements is reduced, the conductive elements are prevented from excessively shielding other devices in the cabinet body 1 due to concentrated distribution, and the installation and the maintenance are convenient. In addition, the arrangement of the ports enables the ports to be dispersed in the cabinet body 1 along the horizontal direction, and ventilation and heat dissipation of the ports and the conductive elements are facilitated. Alternatively, in other embodiments, the machine side inductance output port 22 may be located on the side of the machine side inductance 2 close to the second installation space 13, or the machine side inductance output port 22 may be located on the side of the machine side inductance 2 close to the second installation space 13 and the net side inductance input port 41 may be located on the side of the net side inductance 4 close to the second installation space 13, so long as at least one of the machine side inductance output port 22 and the net side inductance input port 41 is ensured to be located on the side close to the second installation space 13.
Alternatively, in the present embodiment, the side of the power module assembly 3 close to the second installation space 13 is the rear side of the cabinet 1, and the side of the power module assembly 3 away from the second installation space 13 is the front side of the cabinet 1.
Alternatively, in the present embodiment, as shown in fig. 1, the machine side inductance input port 21 is located on the side of the machine side inductance 2 away from the second installation space 13, and the net side inductance output port 42 is located on the side of the net side inductance 4 away from the second installation space 13. The above arrangement facilitates corresponding wiring and maintenance operations for the machine side inductance input port 21 and the net side inductance output port 42 at the front side of the cabinet 1.
In this embodiment, as shown in fig. 1, the power cabinet further includes a first conductive element 7 and a second conductive element 8, where the power input port 31 is electrically connected to the side inductance output port 22 through the first conductive element 7, and the power output port 32 is electrically connected to the network side inductance input port 41 through the second conductive element 8. In this embodiment, the first conductive element 7 and the second conductive element 8 may be copper bars, aluminum bars, cables, or connection wires, and the form of the first conductive element 7 and the second conductive element 8 is not specifically limited.
Optionally, in the present embodiment, the grid-side inductive input port 41 is located on the side of the power module assembly 3 close to the second installation space 13, and the second conductive element 8 is located above the heat exchanger 62. The above arrangement enables the cold air flow generated after the heat exchanger 62 to cool the second conductive element 8 in advance, so as to ensure the normal operation of the second conductive element 8. Alternatively, in the present embodiment, the side inductance output port 22 is located at a side of the power module assembly 3 remote from the second installation space 13. In other embodiments, the side inductance output port 22 may also be located at a side of the power module assembly 3 close to the second installation space 13.
Optionally, in this embodiment, as shown in fig. 1, the side of the first installation space 12 away from the second installation space 13 has an opening 121, and the power cabinet further includes a cabinet door 9, where the cabinet door 9 is movably connected to the cabinet body 1, and the cabinet door 9 is used to close or open the opening 121. By providing the cabinet door 9, the cabinet door 9 can be made to open the opening 121, whereby corresponding wiring and maintenance operations are performed on the devices or ports in the first installation space 12 through the opening 121. Alternatively, in the present embodiment, one side of the cabinet door 9 is pivoted to the cabinet body 1, and the cabinet door 9 is rotated with respect to the cabinet body 1, so that the cabinet door 9 closes or opens the opening 121. Alternatively, in other embodiments, the cabinet door 9 may be slidably connected to the cabinet body 1, and the cabinet door 9 slides relative to the cabinet body 1, so that the cabinet door 9 closes or opens the opening 121.
Alternatively, in the present embodiment, as shown in fig. 1, the heat exchanger 62 is located directly above the net side inductor 4, and the heat exchanger 62 is located on the side of the second conductive member 8 remote from the second installation space 13. The layout mode of the heat exchanger 62 avoids the shielding of the second conductive element 8 on the heat exchanger 62 at the front side of the cabinet body 1, and is convenient for maintaining and installing the heat exchanger 62 through the opening 121 when the cabinet door 9 is opened.
In the present embodiment, as shown in fig. 1, the heat radiation assembly 6 further includes a cooling water pipe 63, the cooling water pipe 63 being located in the first installation space 12, the cooling water pipe 63 being in communication with the heat exchanger 62. Through setting up cooling water pipe 63, be convenient for let in the coolant of low temperature to heat exchanger 62 in heat transfer, and the coolant after the heat transfer intensification is also convenient for discharge through cooling water pipe 63 and is cooled down to be convenient for discharge the coolant after cooling down again to heat exchanger 62 in heat transfer, thereby realize the circulation of coolant. In addition, by disposing the cooling water pipe 63 in the first installation space 12, not only connection with the heat exchanger 62 but also maintenance and installation of the cooling water pipe 63 through the opening 121 are facilitated.
Optionally, in the present embodiment, the cooling water pipe 63 is also located at a side of the second conductive member 8 remote from the second installation space 13, so as to avoid the second conductive member 8 from blocking the cooling water pipe 63 at the front side of the cabinet 1.
Example two
The power cabinet provided in this embodiment is substantially the same as that in the first embodiment, and the difference between the power cabinet provided in this embodiment and that in the first embodiment is that:
As shown in fig. 2, in the present embodiment, the heat radiation fan 61 is located below the capacitor cell assembly 5. Under the action of the cooling fan 61, the air flow in the internal circulation cooling air duct 11 starts to flow upwards from the bottom of the net side inductor 4, becomes cold air flow after passing through the heat exchanger 62 and enters the second installation space 13, sequentially flows through the cooling fan 61 and the capacitor pool assembly 5 in the second installation space 13 and then enters the first installation space 12, and the cold air flow downwards flows in the first installation space 12, sequentially passes through the machine side inductor 2, the power module assembly 3 and the net side inductor 4 and then flows back to the bottom of the net side inductor 4, so that a circulation path of the air flow is formed. Above-mentioned flow path of air current in inner loop heat dissipation wind channel 11 can be preferentially cool down to the high electric capacity pond subassembly 5 of heat dissipation demand, and then cool down machine side inductance 2, power module subassembly 3 and net side inductance 4 in proper order, has satisfied the cooling demand of each device in the cabinet body 1, has guaranteed the normal work of whole power cabinet.
Example III
The power cabinet provided in this embodiment is substantially the same as that in the first embodiment, and the difference between the power cabinet provided in this embodiment and that in the first embodiment is that:
In the present embodiment, as shown in fig. 3, the heat exchanger 62 is located above the net side inductor 4 and below the capacitor cell assembly 5, and the heat exchanger 62 is located in the second installation space 13. Under the action of the cooling fan 61, the air flow in the internal circulation cooling air duct 11 starts to flow upwards from the bottom of the net side inductor 4, flows into the second installation space 13, passes through the heat exchanger 62 in advance in the second installation space 13 and becomes cold air flow, then sequentially flows through the capacitor cell assembly 5 and the cooling fan 61, then flows into the first installation space 12, flows downwards in the first installation space 12, sequentially passes through the machine side inductor 2, the power module assembly 3 and the net side inductor 4, and then flows back to the bottom of the net side inductor 4, and forms a circulation path of air flow.
Alternatively, in the present embodiment, the heat exchanger 62 is located at a side of the second conductive member 8 close to the second installation space 13.
Example IV
The power cabinet provided in this embodiment is substantially the same as that in the first embodiment, and the difference between the power cabinet provided in this embodiment and that in the first embodiment is that:
In the present embodiment, as shown in fig. 4, the heat radiation fan 61 is located below the capacitor cell assembly 5, the heat exchanger 62 is located above the net side inductor 4 and below the heat radiation fan 61, and the heat exchanger 62 is located in the second installation space 13. Under the action of the cooling fan 61, the air flow in the internal circulation cooling air duct 11 starts to flow upwards from the bottom of the net side inductor 4, flows into the second installation space 13, passes through the heat exchanger 62 in advance in the second installation space 13 and becomes cold air flow, then sequentially flows through the cooling fan 61 and the capacitor pool assembly 5, then flows into the first installation space 12, flows downwards in the first installation space 12, sequentially flows through the machine side inductor 2, the power module assembly 3 and the net side inductor 4, and then flows back to the bottom of the net side inductor 4, and forms a circulation path of the air flow.
Alternatively, in the present embodiment, the heat exchanger 62 is located at a side of the second conductive member 8 close to the second installation space 13.
It is to be understood that the above examples of the embodiments of the present disclosure are presented solely for the purposes of clarity and illustration and are not intended to limit the implementation of the embodiments of the present disclosure. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the embodiments of the present description are intended to be included within the scope of the claims of the embodiments of the present description.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422634744.0U CN223437014U (en) | 2024-10-29 | 2024-10-29 | Power cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422634744.0U CN223437014U (en) | 2024-10-29 | 2024-10-29 | Power cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223437014U true CN223437014U (en) | 2025-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422634744.0U Active CN223437014U (en) | 2024-10-29 | 2024-10-29 | Power cabinet |
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| CN (1) | CN223437014U (en) |
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- 2024-10-29 CN CN202422634744.0U patent/CN223437014U/en active Active
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