CN219372257U - Power die box structure and energy storage inverter - Google Patents
Power die box structure and energy storage inverter Download PDFInfo
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- CN219372257U CN219372257U CN202222555419.6U CN202222555419U CN219372257U CN 219372257 U CN219372257 U CN 219372257U CN 202222555419 U CN202222555419 U CN 202222555419U CN 219372257 U CN219372257 U CN 219372257U
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Abstract
The utility model relates to a power module box structure and an energy storage inverter, belonging to the technical field of new energy, wherein the power module box structure comprises a module box air channel module; the die box device module is arranged at one side of the die box air channel module through a fixed connecting piece; and the guide positioning mechanism is arranged on the die box air channel module and used for realizing the quick disassembly and assembly of the die box device module and the die box air channel module. According to the power die box structure, the modularized design is adopted, and each module is combined with the functions of a positioning metal plate and a guiding metal plate mechanism to solve the problem that the power die box structure is difficult to install and detach; in the energy storage inverter, the partition plates divide the die box structure into independent heat dissipation cavities, the heat dissipation air duct dissipates heat of the die box structure by adopting a forced air cooling method in a front air inlet and upper air outlet mode, and the problem of overhigh temperature rise of the die box is effectively solved.
Description
Technical Field
The utility model relates to the technical field of new energy, in particular to a power module box structure and an energy storage inverter.
Background
The energy storage inverter is an interface between the power grid system and the energy storage device, can be applied to different occasions, and has a series of inverters with special functions. After an energy storage link is introduced into the system, peak shaving, valley flattening and load smoothing can be effectively performed, the application of renewable energy sources can be promoted, peak shaving and frequency modulation can be realized, the running stability of the power system can be improved, power equipment can be effectively utilized, and the power supply cost can be reduced. The energy storage inverter has a plurality of working modes of grid connection, grid disconnection and bypass.
Along with the rapid development of energy storage inverter products, a plurality of high-power energy storage inverter models are developed, and the power module box structure is used as a core part of the energy storage inverter, so that the design weight of the power module box structure is increased along with the power, the disassembly and assembly of the power module box structure are more and more inconvenient, and the actual use effect is affected.
In the prior art, a new energy device exists, and a power module box structure and other device modules of the device do not have independent heat dissipation cavities, so that the heat dissipation effect of the whole cabinet is poor; and the power device and the filter film capacitor are integrated into a whole, so that the design weight of the power module box is large, the power module box structure is required to be assembled and disassembled by a plurality of persons to carry and position in a cooperation way, the operation is difficult, the time and the labor are wasted, and the labor cost is high.
Disclosure of Invention
The utility model aims to provide a power module box structure and an energy storage inverter so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a power die box structure comprising a die box body, the die box body comprising:
the mould box air channel module;
the die box device module is arranged at one side of the die box air channel module through a fixed connecting piece;
and the guide positioning mechanism is arranged on the shell frame and the die box air channel module and used for realizing the quick disassembly and assembly of the die box device module and the die box air channel module.
As a further technical solution of the present utility model, the module box air duct module includes:
fixing the metal plate by the mould box;
the radiator is fixedly arranged on one side, far away from the die box device module, of the die box fixing sheet metal;
the air duct plate is arranged on the die box fixing sheet metal and is connected with the radiator;
and the handles are arranged on two sides of the radiator and fixedly connected with the die box through fixed metal plates.
As a still further aspect of the present utility model, the die case device module includes:
the upper part fixing sheet metal is fixedly connected with the left side sheet metal of the die box and the right side sheet metal of the die box, and a mounting interface is reserved on the upper part fixing sheet metal and is fixedly connected with the die box fixing sheet metal of the die box air channel module;
the upper cover part metal plate, one end of which is fixed at the upper end of the metal plate on the left side of the die box, and the other end of which is fixed at the upper end of the metal plate on the right side of the die box;
the middle part is provided with 2 fixed sheet metal brackets which are respectively fixed on the left sheet metal of the die box and the right sheet metal of the die box;
the middle fixing sheet metal is fixedly arranged on the middle fixing sheet metal bracket;
the bottom is fixedly provided with a metal plate, one side of the bottom is fixedly connected with the metal plate on the left side of the die box, and the other side of the bottom is fixedly connected with the metal plate on the right side of the die box; the bottom fixing sheet metal is provided with a mounting interface which is fixedly connected with the die box fixing sheet metal in the die box air channel module;
one end of the thin film capacitor is fixed on the upper cover part metal plate, and the other end of the thin film capacitor is connected with the laminated busbar;
the IGBT drive switching PCB board is fixed on the fixed panel beating in middle part.
As still further technical solution of the present utility model, the fixing connector includes:
the middle part of the die box is fixedly provided with a cross beam which is fixedly arranged in the middle of the die box fixing sheet metal;
the sheet metal part at the right bottom of the die box is fixedly arranged at one end of the fixed cross beam in the middle of the die box;
and the die box left bottom sheet metal part is fixedly arranged at one end of the die box middle fixed cross beam, which is far away from the die box right bottom sheet metal part.
As still further technical solution of the present utility model, the guiding and positioning mechanism includes:
the top sheet metal positioning part is arranged on the cabinet frame sheet metal and used for limiting the restraint of one end of the die box fixing sheet metal;
the bottom sheet metal positioning part is arranged on the die box bottom fixed cross beam and used for limiting the restraint of the other end of the die box fixed sheet metal and carrying out direction limiting on the two ends of the die box fixed sheet metal by matching with the top sheet metal positioning part;
the die box bottom fixed cross beam, both sides are installed on rack frame panel beating, die box bottom fixed cross beam one end and die box fixed panel beating fixed connection.
As still further technical solutions of the present utility model, the mold body further includes:
the centrifugal fan is fixedly arranged on one side of the die box fixing metal plate and connected with the radiator, and the centrifugal fan is arranged on one side, away from the die box device module, of the die box middle fixing cross beam.
The utility model provides an energy storage dc-to-ac converter, includes the rack casing, be equipped with on the rack casing:
the power device unit is arranged in the cabinet shell;
the power module case structure is installed in the cabinet shell.
As a further technical scheme of the utility model, a middle sheet metal partition plate is arranged in the cabinet shell, the cabinet shell is partitioned into two independent cavities by the middle sheet metal partition plate, and the power die box structure is arranged in one cavity.
As a further technical scheme of the utility model, the periphery of the cabinet shell is provided with a door body matched with the cabinet shell, the door body is provided with an air inlet, dust-proof cotton is arranged in the air inlet, the top of the cabinet shell is provided with an air outlet, and the outer side of the air outlet is provided with a net cover.
As a further technical scheme of the utility model, the air outlet is connected with a radiator, and the radiator is an air-cooled radiator or a liquid-cooled radiator.
Compared with the prior art, the utility model discloses a power die box structure, which adopts a modularized design concept, a die box air channel module is pre-installed during installation, the die box device module structure is preferentially removed during maintenance and disassembly, each module is provided with a positioning structure and a guiding structure, the positioning structure and the guiding structure are used in a power die box cavity, and during installation, the guiding function of the guiding structure is utilized, only the modularized rear structure of a manual light pushing die box is needed to slide to the die box cavity installation position along the guiding mechanism, and the die box module is positioned and fixed by bolts through the positioning structure; when the die box is maintained, the power die box can be pulled outwards along the guide mechanism after the bolts are unscrewed, so that the die box structure can be assembled and disassembled by only pushing and pulling the die box module structure by one person no matter installation or maintenance is realized, the disassembly and assembly are convenient, the labor cost is low, and the efficiency is high. When the power die box structure is applied to the cabinet structure, the die box is divided into independent cavities by the partition plates, and the power die box structure is only matched with the radiator and the air duct to radiate, so that the radiating problem of the energy storage inverter is effectively solved.
Drawings
Fig. 1 is a schematic diagram of a partial structure of an energy storage inverter;
fig. 2 is a front view of an energy storage inverter;
FIG. 3 is a schematic diagram of a power module case structure;
FIG. 4 is a front view of a power die case structure;
FIG. 5 is a schematic illustration of another configuration of a power module case;
fig. 6 is a front view of a die device module in a power die structure;
fig. 7 is a schematic diagram of another power module structure.
In the figure: 1-cabinet shell, 2-die box body, 21-top panel beating locating part, 22-die box device module, 221-upper portion fixed panel beating, 222-die box left side panel beating, 223-die box right side panel beating, 224-upper portion lid panel beating, 225-middle part fixed panel beating support, 226-middle part fixed panel beating, 227-bottom fixed panel beating, 23-die box right bottom panel beating part, 24-die box middle part fixed beam, 25-die box left bottom panel beating part, 26-bottom panel beating locating part, 27-die box bottom fixed beam, 28-die box wind channel module, 281-die box fixed panel beating, 282-handle, 283-radiator, 284-wind channel board, 29-centrifugal fan, 3-middle part panel beating baffle, 4-structure.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
The utility model provides a power module box structure for solving the problem of difficult installation and disassembly of a power module box device, and the specific structure can refer to the structure schematic diagrams of fig. 1 to 7; a power die box structure comprising a die box body 2, the die box body 2 comprising:
a module box air duct module 28;
the module box device module 22 is arranged on one side of the module box air channel module 28 through a fixed connecting piece;
and the guiding and positioning mechanism is arranged on the shell frame and the die box air channel module 28 and is used for realizing quick assembly and disassembly of the die box device module 22 and the die box air channel module 22.
In practical application, the power die box structure adopts a modularized design and comprises a die box body 2, wherein the die box body 2 mainly comprises a die box air channel module 28 and a die box device module 22; during installation, the method comprises the following steps of
The guide positioning mechanism is arranged on the energy storage inverter, then the die box air channel module is installed through the guide positioning mechanism, finally the die box device module 22 is positioned and guided and fixed on the die box air channel module 28 through the fixed connection piece, namely, the die box air channel module 28 is pre-installed in the installation process through the modularized design concept, the die box device module 22 is preferentially removed in the maintenance and disassembly process, each module is provided with a positioning structure and a guide structure, the disassembly and the assembly are convenient, the labor cost is low, and the efficiency is high.
As shown in fig. 1 and 5, as a preferred embodiment of the present utility model, the module box air duct module 28 includes:
a die box fixing sheet metal 281;
a heat sink 283 fixedly installed at one side of the mold fixing plate 281 away from the mold device module 22;
an air duct plate 284 mounted on the die case fixing plate 281 and connected to the heat sink 283;
the handles 282 are installed on two sides of the radiator 283 and fixedly connected with the die box fixing metal plate 281.
In one case of this embodiment, in the module air duct module 28, the IGBT drive switching PCB board is mounted on the substrate of the heat sink 283, the heat sink 283 with the device mounted thereon is mounted on the front door base surface of the module fixing metal plate 281 close to the cabinet housing 1, and the handle 282 and the air duct board 284 are mounted on the rear door direction base surface of the module fixing metal plate 281, so as to be preassembled into a module structure, the mounting sequence is not sequential, and quick assembly and disassembly are realized by using the handle 282 in the module air duct module 28 structure through the guiding and positioning mechanism. In actual installation, the guide positioning mechanism in the module box air duct module 28 is preferentially installed on the cabinet shell 1, the module box air duct module 28 is placed on the guide positioning mechanism by the handle 282, the limiting function of the guide positioning mechanism is utilized to lightly push to a specified position in the cavity, and the guide positioning mechanism is fixed by bolts, so that the quick installation of the module box air duct module 28 can be realized, and the efficiency is high; preferably, the heat sink 283 is an air-cooled heat sink 283 or a liquid-cooled heat sink 283, the heat sink 283 is an integral heat sink, and the heat sink 283 may be formed by connecting a plurality of power unit heat sinks in series, wherein the plurality of power unit heat sinks is at least 2 heat sinks.
As shown in fig. 1 and 6, as a preferred embodiment of the present utility model, the die case device module 22 includes:
the upper part fixing metal plate 221, one side of which is fixedly connected with the metal plate 222 on the left side of the die box, and the other side of which is fixedly connected with the metal plate 223 on the right side of the die box, wherein a mounting interface is reserved on the upper part fixing metal plate 221 and is fixedly connected with the die box fixing metal plate 281 in the die box air channel module 28;
an upper cover sheet metal 224, one end of which is fixed at the upper end of the left sheet metal 222 of the die box, and the other end of which is fixed at the upper end of the right sheet metal 223 of the die box;
the middle part fixing sheet metal supports 225 are respectively fixed on the left sheet metal 222 of the die box and the right sheet metal 223 of the die box, wherein the number of the fixing sheet metal supports is 2;
the middle fixing metal plate 226 is fixedly arranged on the middle fixing metal plate bracket 225;
bottom fixed metal plate 227, one side is fixedly connected with a metal plate 222 on the left side of the die box, and the other side is fixedly connected with a metal plate 223 on the right side of the die box; the bottom fixing metal plate 227 is provided with a mounting interface and is fixedly connected with a die box fixing metal plate 281 in the die box air channel module 28;
one end of the thin film capacitor is fixed on the upper cover metal plate 224, and the other end of the thin film capacitor is connected with the laminated busbar;
the IGBT drive is switched with the PCB board and is fixed on the middle fixing metal plate 226.
In one case of this embodiment, the die case device module 22 includes a laminated busbar, a film capacitor, an IGBT drive adapter plate, and a die case device mounting sheet metal structure, one end of the film capacitor is fixed on an upper cover sheet metal 224 in the die case device mounting sheet metal structure, the other end is connected with the laminated busbar, the IGBT drive adapter PCB is fixed on a middle fixing sheet metal 226, the middle fixing sheet metal 226 is fixed on a middle fixing sheet metal bracket 225, and the module is quickly mounted on a die case fixing sheet metal 281 using the upper cover sheet metal 224 as a handle.
Further, the die box device mounting metal plate structure comprises an upper fixing metal plate 221, a die box left side metal plate 222, a die box right side metal plate 223, an upper cover metal plate 224, a middle fixing metal plate 226 and a bottom fixing metal plate 227, wherein the parts are fixed in pairs, the upper fixing metal plate 221 is used for fixing the thin film capacitor device, and meanwhile, the integral module mounting handle function is also realized; the positioning metal plate of the die box device mounting metal plate structure is a die box fixing metal plate 281, the die box air channel module 28 is fixed on the cabinet shell 1 in advance, and the contact surface of the die box fixing metal plate 281 and the die box device mounting metal plate structure is positioned and fixed through a riveting screw; the guiding sheet metal of the die case device module 22 includes: the fixed crossbeam 24 in the middle of the die box is fixed on the cabinet shell 1, one end of the die box right bottom sheet metal part 23 and one end of the die box left bottom sheet metal part 25 are fixed on the die box fixing sheet metal 281, and the other end is fixed on the fixed crossbeam 24 in the middle of the die box by countersunk screws.
As shown in fig. 1 and 3, as a preferred embodiment of the present utility model, the guiding and positioning mechanism includes:
the top sheet metal positioning part 21 is arranged on the cabinet frame sheet metal and used for limiting the restraint of one end of the die box fixing sheet metal 281;
the bottom sheet metal positioning part 26 is arranged on the die box bottom fixing cross beam 27 and is used for limiting the restraint of the other end of the die box fixing sheet metal 281 and carrying out direction limiting on the two ends of the die box fixing sheet metal 281 by matching with the top sheet metal positioning part 21;
the fixed crossbeam 27 in die box bottom, both sides are installed on rack frame panel beating, the fixed crossbeam 27 in die box bottom one end and the fixed panel beating 281 fixed connection of die box.
In one case of the embodiment, the guiding and positioning mechanism includes a top sheet metal positioning member 21, a bottom die box fixing beam 27 and a bottom sheet metal positioning member 26, the top sheet metal positioning member 21 and the bottom die box fixing beam 27 respectively limit the direction of the top and bottom of the structure of the air duct module 28 of the die box, and at least 1 top sheet metal positioning member 21 can be replaced by a plurality of Z-shaped sheet metals; the bottom sheet metal positioning part 26 is a sheet metal on one side of the two die box bottom fixing cross beams 27, so that the die box air channel module 28 is positioned in the depth direction, and the width of the die box bottom fixing cross beams 27 is at least 1.5 times greater than that of the die box fixing sheet metal 281.
As shown in fig. 1 and 3, as a preferred embodiment of the present utility model, the die case body 2 further includes:
the centrifugal fan 29 is fixedly arranged on one side of the die box fixing metal plate 281 and connected with the radiator 283, and the centrifugal fan 29 is arranged on one side of the die box middle fixing cross beam 24 far away from the die box device module 22.
In one case of the embodiment, by arranging the centrifugal fan 29 at the lower part of the power module box structure, external wind (air) enters the power module box structure, the centrifugal fan 29 sends cold air to the radiator 283, hot air generated by heating of the power module box structure is blown out from the air outlet at the top of the cabinet shell 1 through the centrifugal fan 29, and only one centrifugal fan is used for matching with the radiator and the air duct for radiating, so that the radiating problem of the energy storage inverter can be effectively solved; preferably, the air outlet is connected to the heat sink 283, and the heat sink 283 is an air-cooled heat sink or a liquid-cooled heat sink, so as to further improve heat dissipation performance.
As shown in fig. 1 and fig. 2, the present utility model further provides an energy storage inverter, which includes a cabinet housing 1, where the cabinet housing 1 is provided with:
a power device unit installed in the cabinet housing 1;
the power module case structure according to the above embodiment is installed in the cabinet housing 1.
In one case of the embodiment, due to the modularized design of the power module box structure, the energy storage inverter is convenient to assemble and disassemble, low in labor cost and high in efficiency, and is more practical.
As shown in fig. 3, as a preferred embodiment of the present utility model, a middle sheet metal partition plate 3 is installed in the cabinet body 1, the middle sheet metal partition plate 3 partitions the cabinet body 1 into two independent cavities, and the power module box structure is installed in one cavity; the novel dustproof cotton machine cabinet is characterized in that the periphery of the cabinet shell 1 is provided with a door body matched with the cabinet shell, the door body is provided with an air inlet, dustproof cotton is arranged in the air inlet, the top of the cabinet shell is provided with an air outlet, and the outer side of the air outlet is provided with a net cover.
In one case of the embodiment, the air inlet of the door body is provided with a dustproof cotton structure, the outermost side of the air outlet is provided with a net cover structure, so that dust pollution is effectively avoided, devices are easy to damage, the protection level of the die box can be improved, the service life of a product is prolonged, and preferably, the power die box structure is provided with a cover plate, and the protection effect is good; during operation, the cabinet shell 1 separates the power die box structure into isolated heat dissipation cavities, the heat dissipation air duct only has a front air inlet upper air outlet mode, and the centrifugal fan 29 and the radiator 283 are adopted to dissipate heat of the power die box structure in a forced air cooling mode, so that the problem of overhigh temperature rise is effectively solved, and the heat dissipation device is more efficient and practical.
Working principle: during actual installation, the guide positioning mechanism is firstly installed in the cabinet shell 1 of the energy storage inverter, then the modularized rear structure of the manual light pushing die box is only required to slide to the installation position of the cavity of the die box along the guide positioning mechanism by utilizing the guide function of the guide positioning mechanism, and the die box module is positioned and fixed by bolts through the guide positioning mechanism; when the die box is maintained, the power die box structure can be pulled outwards along the guiding and positioning mechanism after the bolts are unscrewed, so that the die box structure can be assembled and disassembled by only pushing and pulling the die box module structure by one person no matter installation or maintenance, the disassembly and assembly are convenient, the labor cost is low, the efficiency is high, and the problem of difficult assembly and disassembly of the power die box structure is effectively solved, and the die box structure is more convenient and practical.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. A power die box structure, includes the die box body, its characterized in that, the die box body includes:
the mould box air channel module;
the die box device module is arranged at one side of the die box air channel module through a fixed connecting piece;
and the guide positioning mechanism is arranged on the shell frame and the die box air channel module and used for realizing the quick disassembly and assembly of the die box device module and the die box air channel module.
2. The power module structure of claim 1, wherein the module air duct module comprises:
fixing the metal plate by the mould box;
the radiator is fixedly arranged on one side, far away from the die box device module, of the die box fixing sheet metal;
the air duct plate is arranged on the die box fixing sheet metal and is connected with the radiator;
and the handles are arranged on two sides of the radiator and fixedly connected with the die box through fixed metal plates.
3. The power die case structure of claim 2, wherein the die case device module comprises:
the upper part fixing sheet metal is fixedly connected with the left side sheet metal of the die box and the right side sheet metal of the die box, and a mounting interface is reserved on the upper part fixing sheet metal and is fixedly connected with the die box fixing sheet metal of the die box air channel module;
the upper cover part metal plate, one end of which is fixed at the upper end of the metal plate on the left side of the die box, and the other end of which is fixed at the upper end of the metal plate on the right side of the die box;
the middle part is provided with 2 fixed sheet metal brackets which are respectively fixed on the left sheet metal of the die box and the right sheet metal of the die box;
the middle fixing sheet metal is fixedly arranged on the middle fixing sheet metal bracket;
the bottom is fixedly provided with a metal plate, one side of the bottom is fixedly connected with the metal plate on the left side of the die box, and the other side of the bottom is fixedly connected with the metal plate on the right side of the die box; the bottom fixing sheet metal is provided with a mounting interface which is fixedly connected with the die box fixing sheet metal in the die box air channel module;
one end of the thin film capacitor is fixed on the upper cover part metal plate, and the other end of the thin film capacitor is connected with the laminated busbar;
the IGBT drive switching PCB board is fixed on the fixed panel beating in middle part.
4. The power die case structure of claim 2, wherein the fixed connection comprises:
the middle part of the die box is fixedly provided with a cross beam which is fixedly arranged in the middle of the die box fixing sheet metal;
the sheet metal part at the right bottom of the die box is fixedly arranged at one end of the fixed cross beam in the middle of the die box;
and the die box left bottom sheet metal part is fixedly arranged at one end of the die box middle fixed cross beam, which is far away from the die box right bottom sheet metal part.
5. The power die case structure of claim 2, wherein the guide positioning mechanism comprises:
the top sheet metal positioning part is arranged on the cabinet frame sheet metal and used for limiting the restraint of one end of the die box fixing sheet metal;
the bottom sheet metal positioning part is arranged on the die box bottom fixed cross beam and used for limiting the restraint of the other end of the die box fixed sheet metal and carrying out direction limiting on the two ends of the die box fixed sheet metal by matching with the top sheet metal positioning part;
the die box bottom fixed cross beam, both sides are installed on rack frame panel beating, die box bottom fixed cross beam one end and die box fixed panel beating fixed connection.
6. The power die case structure of claim 2, wherein the die case body further comprises:
the centrifugal fan is fixedly arranged on one side of the die box fixing metal plate and connected with the radiator, and the centrifugal fan is arranged on one side, away from the die box device module, of the die box middle fixing cross beam.
7. The utility model provides an energy storage dc-to-ac converter, includes the rack casing, its characterized in that, be equipped with on the rack casing:
the power device unit is arranged in the cabinet shell;
the power module structure of any one of claims 1-6 mounted within the cabinet housing.
8. The energy storage inverter of claim 7, wherein a middle sheet metal partition is mounted in the cabinet housing, the middle sheet metal partition partitions the cabinet housing into two independent cavities, and the power module case structure is mounted in one cavity.
9. The energy storage inverter of claim 7, wherein a door body matched with the cabinet shell is arranged around the cabinet shell, an air inlet is formed in the door body, dustproof cotton is arranged in the air inlet, an air outlet is formed in the top of the cabinet shell, and a net cover is arranged outside the air outlet.
10. The energy storage inverter of claim 9, wherein the air outlet is connected to a radiator, the radiator being an air-cooled radiator or a liquid-cooled radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222555419.6U CN219372257U (en) | 2022-09-26 | 2022-09-26 | Power die box structure and energy storage inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222555419.6U CN219372257U (en) | 2022-09-26 | 2022-09-26 | Power die box structure and energy storage inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219372257U true CN219372257U (en) | 2023-07-18 |
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ID=87138907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222555419.6U Active CN219372257U (en) | 2022-09-26 | 2022-09-26 | Power die box structure and energy storage inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219372257U (en) |
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2022
- 2022-09-26 CN CN202222555419.6U patent/CN219372257U/en active Active
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