CN220544875U - Inverter packaging box device and household energy storage power supply - Google Patents
Inverter packaging box device and household energy storage power supply Download PDFInfo
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- CN220544875U CN220544875U CN202321921078.8U CN202321921078U CN220544875U CN 220544875 U CN220544875 U CN 220544875U CN 202321921078 U CN202321921078 U CN 202321921078U CN 220544875 U CN220544875 U CN 220544875U
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 49
- 238000004146 energy storage Methods 0.000 title claims abstract description 25
- 238000009423 ventilation Methods 0.000 claims abstract description 53
- 238000001816 cooling Methods 0.000 claims abstract description 39
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005855 radiation Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides an inverter packaging box device and a household energy storage power supply. The inverter packaging box device is used for being arranged at the top of the power supply module and comprises a packaging box cover, an inverter plate and an air inlet heat radiation fan; the packaging box cover is used for being fixedly connected with the power supply module, a ventilation cavity, an air supply opening and an air outlet are formed in the packaging box cover, the ventilation cavity is respectively communicated with the air supply opening and the air outlet, the air supply opening and the air outlet are oppositely arranged, and the outer side of the air outlet is used for being arranged towards the air outlet cooling fan; the inverter board is arranged in the ventilation cavity; the air inlet radiating fan is arranged on the packaging box cover, so that radiating airflow can intensively act on the surface of the inverter board, the problem that the radiating airflow acts on the inverter board more scattered is avoided, and the radiating performance of the household energy storage power supply is improved; because the inverter board is arranged in the ventilation cavity, the inverter board is accommodated in the ventilation cavity, a better shielding effect is achieved, and the use reliability of the inverter board is improved.
Description
Technical Field
The utility model relates to the technical field of energy storage power supplies, in particular to an inverter packaging box device and a household energy storage power supply.
Background
The energy storage power supply is a power supply device for storing electric energy, can output AC 220V, enables the energy storage power supply to be used for electronic products such as electric rice cookers or coffee machines, can also be used for illumination, can also be used for charging electric equipment by using a power strip, is special for outdoor emergency use, and has the characteristics of light weight, large capacity, large power and the like.
The domestic energy storage power supply is developed towards the miniaturization direction, namely the space in the domestic energy storage power supply is smaller, and the requirement on the heat radiation performance of the domestic energy storage power supply is higher. The traditional heat dissipation mechanism of household energy storage power supply is located the top of battery module's contravariant control panel, and the heat that contravariant control panel work produced rises to clear up in the cavity that the heat dissipation mechanism is located, like patent CN114784985A, makes battery module's radiating rate slower, especially to the radiating rate of the higher contravariant control panel of heat generation, and then makes household energy storage power supply's heat dispersion relatively poor.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides an inverter packaging box device with good heat dissipation performance and a household energy storage power supply.
The aim of the utility model is realized by the following technical scheme:
an inverter enclosure device for mounting on top of a power module, the inverter enclosure device comprising:
the packaging box cover is used for being fixedly connected with the power supply module, a ventilation cavity, an air supply opening and an air outlet are formed in the packaging box cover, the ventilation cavity is respectively communicated with the air supply opening and the air outlet, the air supply opening and the air outlet are oppositely arranged, and the outer side of the air outlet is used for being arranged towards an air outlet cooling fan;
an inverter board installed in the ventilation chamber;
and the air inlet radiating fan is arranged on the packaging box cover, and the acting end of the air inlet radiating fan is arranged corresponding to the air supply opening.
In one embodiment, the packaging box cover comprises a box body and a cover plate, wherein the box body is provided with a mounting groove body, the cover plate is covered on the top of the box body to enclose the ventilation cavity together with the box body, the air supply opening is formed in the box body, and the air outlet is formed in at least one of the box body and the cover plate; the inverter board is fixedly connected in the installation groove body.
In one embodiment, the inner wall of the mounting groove body is convexly provided with a support column, the inverter packaging box device further comprises a fixing piece, the inverter board is provided with a via hole, the support column is provided with a threaded hole, and the fixing piece is respectively arranged in the via hole and the threaded hole in a penetrating manner; and an overcurrent gap communicated with the ventilation cavity is formed between the inverter plate and the bottom wall of the mounting groove body.
In one embodiment, the number of the fixing pieces and the number of the supporting columns are multiple, the number of the through holes is multiple, and each fixing piece is respectively arranged in the corresponding through hole and the corresponding threaded hole in a penetrating mode.
In one embodiment, the case and the cover are both stamped and formed parts.
In one embodiment, positioning steps are formed on two side walls of the top of the box body, the cover plate is covered on the top of the box body, and two side edges of the cover plate are respectively abutted to the positioning steps of the two side walls of the box body.
In one embodiment, the inverter packaging box device further comprises a first locking piece and a first locking nut, a first locking through hole is formed in the side wall of the cover plate, a first locking fixing hole communicated with the first locking through hole is formed in the positioning step, the first locking piece penetrates through the first locking through hole and the first locking fixing hole respectively, the first locking piece is in threaded connection with the first locking nut, and the first locking nut is in butt joint with the inner side of the box body.
In one embodiment, the end part of the cover plate, which is far away from the air inlet and heat dissipation fan, is convexly provided with a bending extension end surface;
the inverter packaging box device further comprises a second locking piece and a second locking nut, a second locking fixing hole is formed in the bending extension end face, a second locking through hole communicated with the second locking fixing hole is formed in the box body, the second locking piece is respectively arranged in the second locking through hole and the second locking fixing hole in a penetrating mode, the second locking piece is in threaded connection with the second locking nut, and the second locking nut is in butt joint with the inner side of the bending extension end face.
In one embodiment, the air outlet comprises an opening area formed in the box body and air outlet meshes formed in the cover plate, the opening area and the air outlet meshes are communicated with the ventilation cavity, and the opening area and the air outlet meshes are arranged towards the air outlet cooling fan.
The utility model provides a domestic energy storage power, includes power module, air-out radiator fan and the inverter encapsulation box device of above-mentioned arbitrary embodiment, air-out radiator fan with encapsulation box cover all fixed connection in power module's top, the outside of air-out orientation air-out radiator fan sets up.
Compared with the prior art, the utility model has at least the following advantages:
1. according to the inverter packaging box device, the packaging box cover is provided with the ventilation cavity, the air supply opening and the air outlet, the ventilation cavity is communicated with the air supply opening and the air outlet respectively, and the air supply opening and the air outlet are arranged oppositely, the outer side of the air outlet faces the air outlet cooling fan, the air supply opening is arranged correspondingly to the acting end of the air inlet cooling fan, so that the cooling air flow outside the packaging box cover passes through the air supply opening, the ventilation cavity and the air outlet quickly, the inverter board is arranged in the ventilation cavity, the cooling air flow can intensively act on the surface of the inverter board, the problem that the cooling air flow acts on the inverter board more sporadically is avoided, and the cooling performance of the household energy storage power supply is improved;
2. because the inverter board is arranged in the ventilation cavity, the inverter board is accommodated in the ventilation cavity, a better shielding effect is achieved, and the use reliability of the inverter board is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a partial schematic view of a household energy storage power supply according to an embodiment;
FIG. 2 is a schematic diagram of the household energy storage power supply of FIG. 1 from another perspective;
FIG. 3 is a cross-sectional view of the household energy storage power supply shown in FIG. 1;
fig. 4 is a schematic diagram of an inverter enclosure apparatus of the household energy storage power supply shown in fig. 1;
fig. 5 is an exploded view of the inverter enclosure device of fig. 4;
fig. 6 is a schematic view of another view of the inverter enclosure device shown in fig. 5.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The application provides an inverter packaging box device which is used for being arranged at the top of a power supply module, wherein the inverter packaging box device comprises a packaging box cover, an inverter plate and an air inlet radiating fan; the packaging box cover is used for being fixedly connected with the power supply module, a ventilation cavity, an air supply opening and an air outlet are formed in the packaging box cover, the ventilation cavity is respectively communicated with the air supply opening and the air outlet, the air supply opening and the air outlet are oppositely arranged, and the outer side of the air outlet is used for being arranged towards an air outlet cooling fan; an inverter board is installed in the ventilation chamber; the air inlet cooling fan is arranged on the packaging box cover, and the acting end of the air inlet cooling fan is arranged corresponding to the air supply opening.
According to the inverter packaging box device, the packaging box cover is provided with the ventilation cavity, the air supply opening and the air outlet, the ventilation cavity is communicated with the air supply opening and the air outlet respectively, and the air supply opening and the air outlet are arranged oppositely, the outer side of the air outlet faces the air outlet cooling fan, the air supply opening is arranged correspondingly to the acting end of the air inlet cooling fan, so that the cooling air flow outside the packaging box cover passes through the air supply opening, the ventilation cavity and the air outlet quickly, the inverter board is arranged in the ventilation cavity, the cooling air flow can intensively act on the surface of the inverter board, the problem that the cooling air flow acts on the inverter board more sporadically is avoided, and the cooling performance of the household energy storage power supply is improved; because the inverter board is arranged in the ventilation cavity, the inverter board is accommodated in the ventilation cavity, a better shielding effect is achieved, and the use reliability of the inverter board is improved.
For better understanding of the technical solutions and advantageous effects of the present application, the following details are further described with reference to specific embodiments:
as shown in fig. 1 to 3, a household energy storage power supply 10 of an embodiment includes a power module 100, an air-out cooling fan 200, and an inverter package device 300. The inverter packaging box device 300 is used for being mounted on the top of the power module 100. The inverter package apparatus 300 includes a package case 310, an inverter board 320, and an air intake and heat dissipation fan 330. The packaging box cover 310 is used for being fixedly connected to the power module 100, the packaging box cover 310 is formed with a ventilation cavity 302, an air supply port 304 and an air outlet 306, the ventilation cavity 302 is respectively communicated with the air supply port 304 and the air outlet 306, the air supply port 304 is arranged opposite to the air outlet 306, and the outer side of the air outlet 306 is used for being arranged towards the air outlet cooling fan 200.
In one embodiment, an inverter board 320 is mounted within the ventilation chamber 302. The air inlet and heat dissipation fan 330 is mounted on the package box cover 310, and an acting end of the air inlet and heat dissipation fan 330 is disposed corresponding to the air supply port 304. In this embodiment, the air-out cooling fan 200 is fixedly connected to the top of the power module 100, and the outer side of the air outlet 306 faces the air-out cooling fan 200, so that the air-out cooling fan 200 can better act on the air outlet 306, i.e. the air of the ventilation chamber 302 is pumped away from the ventilation chamber 302.
In the inverter packaging box device 300, the packaging box cover 310 is formed with the ventilation chamber 302, the air supply opening 304 and the air outlet 306, the ventilation chamber 302 is respectively communicated with the air supply opening 304 and the air outlet 306, and since the air supply opening 304 and the air outlet 306 are oppositely arranged, the outer side of the air outlet 306 faces the air outlet cooling fan 200, the air supply opening 304 and the acting end of the air inlet cooling fan 330 are correspondingly arranged, so that the cooling airflow outside the packaging box cover 310 quickly passes through the air supply opening 304, the ventilation chamber 302 and the air outlet 306, the inverter board 320 is arranged in the ventilation chamber 302, the cooling airflow can intensively act on the surface of the inverter board 320, the problem that the cooling airflow acts on the inverter board 320 more scattered is avoided, and the cooling performance of the household energy storage power supply 10 is improved; since the inverter board 320 is installed in the ventilation chamber 302, the inverter board 320 is accommodated in the ventilation chamber 302, which plays a better shielding role and improves the reliability of the inverter board 320.
As shown in fig. 3, 4 and 5, in one embodiment, the packaging box cover 310 includes a box body 312 and a cover plate 314, the box body 312 is formed with a mounting groove 3122, the cover plate 314 is covered on the top of the box body 312 to enclose the ventilation chamber 302 together with the box body 312, and the air supply port 304 is formed in the box body 312. The inverter board 320 is fixedly coupled to the installation groove 3122 such that the inverter board 320 is installed in the ventilation chamber 302. In this embodiment, the air outlet 306 is formed in at least one of the box 312 and the cover 314, i.e. the air outlet 306 may be formed in the box 312 only, or may be formed in the cover 314 only, or may be formed in both the box 312 and the cover 314. The case 312 and the cover 314 are formed separately, thereby reducing the difficulty in manufacturing the package case 310.
As shown in fig. 3, 4 and 5, the box 312 is further mounted and fixed on top of the power module 100. In the embodiment, the top of the power module 100 is convexly provided with the heat-conducting column 102, and the bottom of the box body 312 is fixed on the heat-conducting column 102, so that the heat of the power module 100 can be conducted to the box body 312 for heat dissipation through the heat-conducting column 102, and can also be conducted to the box body 312 for heat dissipation through heat radiation. Specifically, the bottom of the case 312 is fixed to the heat conductive column 102 by screws.
As shown in fig. 3, 4 and 5, in one embodiment, the inner wall of the mounting groove 3122 is convexly provided with a support column 3123, the inverter packaging box device 300 further includes a fixing member (not shown), the inverter board 320 is provided with a via hole 322, the support column 3123 is provided with a threaded hole (not shown), and the fixing member is respectively inserted into the via hole 322 and the threaded hole, so that the inverter board 320 is supported and fixed in the mounting groove 3122. In this embodiment, an overflow gap 327 communicating with the ventilation chamber 302 exists between the inverter board 320 and the bottom wall of the installation groove body 3122, so that a part of the heat dissipation airflow can act on the upper surface of the inverter board 320, and another part acts on the lower surface of the inverter board 320, thereby improving the heat dissipation performance of the inverter board 320. The fixing member may be a screw or a stud.
As shown in fig. 3, 4 and 5, in one embodiment, the number of the fixing members and the supporting columns 3123 is plural, the number of the through holes 322 is plural, and each fixing member is respectively inserted into a corresponding through hole 322 and a corresponding threaded hole, so that the inverter board 320 is more firmly fixed in the mounting groove 3122.
As shown in fig. 3, 4 and 5, in one embodiment, the case 312 and the cover 314 are both press-formed parts, so that the case 312 and the cover 314 are simple in structure and easy to process and form.
As shown in fig. 3, 4 and 5, in one embodiment, positioning steps 3124 are formed on two sidewalls of the top of the box 312, the cover 314 is covered on the top of the box 312, and two sides of the cover 314 are respectively abutted against the positioning steps 3124 on two sidewalls of the box 312, so that the cover 314 is covered on two sidewalls of the box 312 more smoothly.
As shown in fig. 3, 4 and 5, in one embodiment, the inverter package apparatus 300 further includes a first locking member 350 and a first locking nut 360. The side wall of the cover 314 is provided with a first locking via 322, the positioning step 3124 is provided with a first locking hole 3125 which is communicated with the first locking via 322, and the first locking member 350 is respectively inserted into the first locking via 322 and the first locking hole 3125. The first locking member 350 is screwed with the first locking nut 360, and the first locking nut 360 abuts against the inner side of the box 312, so that the side wall of the cover 314 is firmly connected with the box 312. In the present embodiment, the first lock fixing hole 3125 is a screw hole. The number of the first locking members 350 and the first locking nuts 360 is two, the two side walls of the two sides of the cover plate 314 are provided with the first locking through holes 322, the number of the first locking fixing holes 3125 is two, and each first locking member 350 is respectively inserted into the corresponding first locking through hole 322 and the corresponding first locking fixing hole 3125. The first locking member 350 is a screw or bolt.
As shown in fig. 3, 4 and 5, in one embodiment, an end portion of the cover 314 away from the air intake and heat dissipation fan 330 is provided with a bent extension end surface 3142. The inverter package apparatus 300 further includes a second locking member 370 and a second locking nut (not shown), the bent extending end surface is provided with a second locking hole 3143, the box body 312 is provided with a second locking through hole 322 which is communicated with the second locking hole 3143, and the second locking member 370 is respectively inserted into the second locking through hole 322 and the second locking hole 3143. The second locking member 370 is in threaded connection with the second locking nut, and the second locking nut abuts against the inner side of the bending extension end face 3142, so that the side wall of the cover 314 is more firmly connected with the box 312. In this embodiment, the second lock fixing hole 3143 is a screw hole. The number of the second locking members 370 and the second locking nuts is two, the two side walls of the two sides of the cover plate 314 are provided with the second locking fixing holes 3143, the number of the second locking through holes 322 is two, and each first locking member 350 is respectively inserted into the corresponding second locking through hole 322 and the corresponding second locking fixing hole 3143. The second locking member 370 is a screw or bolt.
As shown in fig. 3, 4 and 5, in one embodiment, the air outlet 306 includes an opening area 3121 formed in the box 312 and an air outlet mesh 3145 formed in the cover 314, the opening area 3121 and the air outlet mesh 3145 are both communicated with the ventilation chamber 302, and the opening area 3121 and the air outlet mesh 3145 are both disposed towards the air outlet cooling fan 200, so that the package box cover 310 has a better cooling effect. In the present embodiment, the air outlet mesh 3145 is formed on the bent extension end surface 3142. In other embodiments, the bent extension end surface 3142 may be omitted, i.e., the cover plate 314 is provided with a bare area communicating with the opening area 3121.
Compared with the prior art, the utility model has at least the following advantages:
1. in the inverter packaging box device 300, the packaging box cover 310 is formed with the ventilation chamber 302, the air supply opening 304 and the air outlet 306, the ventilation chamber 302 is respectively communicated with the air supply opening 304 and the air outlet 306, and since the air supply opening 304 and the air outlet 306 are oppositely arranged, the outer side of the air outlet 306 faces the air outlet cooling fan 200, the air supply opening 304 and the acting end of the air inlet cooling fan 330 are correspondingly arranged, so that the cooling airflow outside the packaging box cover 310 quickly passes through the air supply opening 304, the ventilation chamber 302 and the air outlet 306, the inverter board 320 is arranged in the ventilation chamber 302, the cooling airflow can intensively act on the surface of the inverter board 320, the problem that the cooling airflow acts on the inverter board 320 more scattered is avoided, and the cooling performance of the household energy storage power supply 10 is improved;
2. since the inverter board 320 is installed in the ventilation chamber 302, the inverter board 320 is accommodated in the ventilation chamber 302, which plays a better shielding role and improves the reliability of the inverter board 320.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. An inverter packaging box device for install in power module's top, its characterized in that, inverter packaging box device includes:
the packaging box cover is used for being fixedly connected with the power supply module, a ventilation cavity, an air supply opening and an air outlet are formed in the packaging box cover, the ventilation cavity is respectively communicated with the air supply opening and the air outlet, the air supply opening and the air outlet are oppositely arranged, and the outer side of the air outlet is used for being arranged towards an air outlet cooling fan;
an inverter board installed in the ventilation chamber;
and the air inlet radiating fan is arranged on the packaging box cover, and the acting end of the air inlet radiating fan is arranged corresponding to the air supply opening.
2. The inverter enclosure device of claim 1, wherein the enclosure cover comprises a box body and a cover plate, the box body is provided with a mounting groove body, the cover plate is covered on the top of the box body to enclose the ventilation chamber together with the box body, the air supply opening is formed in the box body, and the air outlet is formed in at least one of the box body and the cover plate; the inverter board is fixedly connected in the installation groove body.
3. The inverter packaging box device according to claim 2, wherein the inner wall of the mounting groove body is convexly provided with a support column, the inverter packaging box device further comprises a fixing piece, the inverter board is provided with a via hole, the support column is provided with a threaded hole, and the fixing piece is respectively penetrated in the via hole and the threaded hole; and an overcurrent gap communicated with the ventilation cavity is formed between the inverter plate and the bottom wall of the mounting groove body.
4. The inverter enclosure device of claim 3, wherein the number of the fixing members and the supporting columns is plural, the number of the through holes is plural, and each fixing member is respectively disposed through a corresponding through hole and a corresponding threaded hole.
5. The inverter enclosure device of claim 2, wherein the case and the cover are stamped and formed pieces.
6. The inverter packaging box device of claim 5, wherein positioning steps are formed on two side walls of the top of the box body, the cover plate is covered on the top of the box body, and two side edges of the cover plate are respectively abutted on the positioning steps of the two side walls of the box body.
7. The inverter enclosure device of claim 6, further comprising a first locking member and a first locking nut, wherein a first locking via hole is formed in a side wall of the cover plate, a first locking fixing hole communicated with the first locking via hole is formed in the positioning step, the first locking member is respectively arranged in the first locking via hole and the first locking fixing hole in a penetrating manner, the first locking member is in threaded connection with the first locking nut, and the first locking nut is abutted to the inner side of the box body.
8. The inverter enclosure device of claim 6, wherein an end of the cover plate remote from the air intake and heat dissipation fan is convexly provided with a bent extension end face;
the inverter packaging box device further comprises a second locking piece and a second locking nut, a second locking fixing hole is formed in the bending extension end face, a second locking through hole communicated with the second locking fixing hole is formed in the box body, the second locking piece is respectively arranged in the second locking through hole and the second locking fixing hole in a penetrating mode, the second locking piece is in threaded connection with the second locking nut, and the second locking nut is in butt joint with the inner side of the bending extension end face.
9. The inverter enclosure device of claim 2, wherein the air outlet comprises an opening area formed in the case body and an air outlet mesh formed in the cover plate, the opening area and the air outlet mesh are both communicated with the ventilation chamber, and the opening area and the air outlet mesh are both arranged towards the air outlet cooling fan.
10. The utility model provides a domestic energy storage power, its characterized in that includes power module, air-out radiator fan and the inverter encapsulation box device of any one of claims 1 to 9, air-out radiator fan with encapsulation box cover all fixed connection in power module's top, the outside of air-out is towards air-out radiator fan sets up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321921078.8U CN220544875U (en) | 2023-07-20 | 2023-07-20 | Inverter packaging box device and household energy storage power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321921078.8U CN220544875U (en) | 2023-07-20 | 2023-07-20 | Inverter packaging box device and household energy storage power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220544875U true CN220544875U (en) | 2024-02-27 |
Family
ID=89976501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321921078.8U Active CN220544875U (en) | 2023-07-20 | 2023-07-20 | Inverter packaging box device and household energy storage power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220544875U (en) |
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2023
- 2023-07-20 CN CN202321921078.8U patent/CN220544875U/en active Active
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