Stacked energy storage inverter

Abstract

The utility model relates to the technical field of inverters, in particular to a stacked energy storage inverter. Comprising an inverter main box body and an external junction box, and a wiring cavity is arranged in the junction box to facilitate wiring and maintenance. Through the ingenious design, the junction box is flush with the top end face of the inverter main box body, and the bottom end face is higher than the supporting part, so that the inverters can be stacked stably, and the space utilization rate is improved. And meanwhile, the internal wiring part and the external wiring part are arranged in the junction box, so that clear connection of internal and external cables of the system is realized, and wiring errors and disorder are reduced. In addition, a radiator and an inductance box assembly are arranged at the bottom of the inverter main box body, and an aluminum shell is adopted to protect inductance elements and assist in heat dissipation. The supporting part is stably installed and placed through the fixing supports and the fixing holes. According to the utility model, the problems of low space utilization rate and tedious wiring of the existing energy storage inverter are solved, and the stability and reliability of equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to inverter technical field, concretely relates to a stacked energy storage inverter. BACKGROUND

[0002] With the rapid development of global energy storage industry, as one of the key components of energy storage system, the market demand of energy storage inverter is also growing. Energy storage inverter can realize the bidirectional conversion and flow of electric energy, and is an important part of various energy storage application scenarios.

[0003] The existing energy storage inverter is usually installed and fixed on the wall in a wall-mounted manner, occupies a relatively fixed wall space, and the installation of the wall-mounted inverter often limits the arrangement of other devices, reduces the overall utilization of space. Secondly, the wiring mode of the wall-mounted inverter is complex and inconvenient. The wiring port of the existing wall-mounted inverter is usually arranged at the bottom, which is not easy to maintain, and the internal wiring and external wiring of the system are usually mixed together, which not only increases the difficulty and complexity of wiring, but also easily leads to wiring errors and confusion, affects the stability and safety of the system, brings great inconvenience to the subsequent maintenance and repair work, and increases the labor cost and time cost. SUMMARY

[0004] The utility model provides a stacked energy storage inverter, which can solve the problems of low space utilization and complex wiring mode of the existing energy storage inverter.

[0005] According to the stacked energy storage inverter of the utility model, it comprises: an inverter main box body, and a wiring box arranged at one side of the outer portion of the inverter box body; the wiring box is provided with a wiring cavity for accommodating cables; the bottom of the inverter main box body is provided with a supporting portion for supporting the inverter main box body; the top end surface of the wiring box and the top end surface of the inverter main box body are on the same horizontal plane, and the bottom end surface of the wiring box is higher than the bottom end surface of the supporting portion.

[0006] Through the arrangement of the inverter main box body and the external wiring box in the utility model, the overall structure is more compact, and the space occupation is reduced. The wiring box is arranged at one side of the outer portion of the inverter box body, which is convenient for wiring and subsequent maintenance.

[0007] Through the arrangement of the inverter main box body and the external wiring box in the utility model, the overall structure is more compact, and the space occupation is reduced. The wiring box is arranged at one side of the outer portion of the inverter box body, which is convenient for wiring and subsequent maintenance.

[0008] In the utility model, one end of the wiring box away from the inverter box body is provided with an opening, the opening is provided with a cover plate for opening and closing the wiring cavity, the cover plate is provided with a Bluetooth perspective plate, an internal wiring portion is arranged at the side wall of the wiring box perpendicular to the cover plate, and an external wiring portion is arranged at the other side wall of the wiring box perpendicular to the cover plate.

[0009] Through the setting of the internal wiring part and the external wiring part, the cable connection inside and outside the system is clearer, wiring errors are reduced, the cable condition can be overhauled by opening the cover plate, front and rear outgoing lines are adopted, the space in the width direction is fully utilized, and the size in the length and height directions is reduced.

[0010] Through the setting of the Bluetooth perspective plate, the user can remotely monitor the equipment state, and potential safety hazards can be found and handled in time.

[0011] In the utility model, the first threading hole and the second threading hole are sequentially arranged on the side of the inverter main box body close to the junction box along the width direction of the inverter main box body, the third threading hole and the fourth threading hole corresponding to the first threading hole and the second threading hole are sequentially arranged on the side of the junction box close to the inverter main box body along the length direction of the junction box, the internal wiring cable passes through the first threading hole and the third threading hole from the cable in the mounting cavity and is electrically connected with the internal wiring part, and the external wiring cable passes through the second threading hole and the fourth threading hole from the cable in the mounting cavity and is electrically connected with the external wiring part.

[0012] Through the setting of the threading hole, the cable can pass through the inverter main box body and the junction box in order, the internal wiring cable and the external wiring cable are connected through different threading holes respectively, electromagnetic interference between the cables is reduced, the stability and reliability of the equipment are improved, and when the wiring cable fails, the clear threading path can make fault locating easier.

[0013] In the utility model, the internal wiring part includes a disconnecting switch, a USB port, a battery connection terminal and a battery communication port arranged at the side wall of the cover plate.

[0014] Through the setting of the multiple internal wiring terminals, various connection requirements of the internal wiring of the inverter are met, the equipment can be compatible with more internal devices and systems, the application range is expanded, different internal wiring terminals can be expanded according to the requirements of the user, and the adaptability of the energy storage inverter is improved.

[0015] In the utility model, the external wiring part includes a PV connector, a backup connector, a grid connector, a parallel machine port and a COM interface arranged at the side wall of the other side of the cover plate.

[0016] Through the setting of the multiple external wiring terminals, various connection requirements of the external wiring of the inverter are met, the equipment can be compatible with more external devices and systems, the application range is expanded, different external wiring terminals can be expanded according to the requirements of the user, and the adaptability of the energy storage inverter is improved.

[0017] The utility model discloses, inverter main box bottom is equipped with radiator, and the electric inductance box subassembly of setting at the both sides of radiator, electric inductance box subassembly includes the aluminium shell of inverter main box bottom bolt connection, and the inductance element of setting in aluminium shell, aluminium shell bottom fixedly connected with mounting panel.

[0018] Through the radiator in the utility model, the heat generated when the inverter works can be quickly and effectively dissipated, the internal temperature of the energy storage inverter is reduced, and long-term stable operation of the equipment is ensured. The inductance box shell in the utility model is made of light and portable aluminum shell to reduce the weight of the overall energy storage inverter. The good corrosion resistance of the aluminum shell can protect the inductance element from the erosion of the external environment. Moreover, the aluminum shell serves as a good heat-conducting material and can assist the radiator in heat dissipation, thereby improving the overall heat dissipation efficiency.

[0019] In the utility model, the supporting part includes the fixed support arranged at the both ends of the mounting panel, and the fixed support is bolted to the mounting panel.

[0020] Through the fixed support arranged at the both ends of the both sides mounting panel in the utility model, the energy storage inverter can be more stably laid and stacked, the energy storage inverter can be stacked, and the space utilization is improved.

[0021] In the utility model, the fixed support is provided with a fixing hole. Through the arrangement of the fixing hole in the utility model, the energy storage inverter at the bottom can be fixed with the contact surface, which is convenient for laying and installing and improves the stability of the equipment. DRAWINGS

[0022] Figure 1 It is a schematic view of the stacked energy storage inverter.

[0023] Figure 2 It is a schematic view of the inverter main box.

[0024] Figure 3 It is a lower view of the inverter main box.

[0025] Figure 4 It is a schematic view of the junction box.

[0026] Figure 5 It is a left view of the junction box.

[0027] Figure 6 It is a right view of the junction box.

[0028] Figure 7 It is a partial schematic view of the junction box. DETAILED DESCRIPTION

[0029] In order to further understand the content of the utility model, the utility model is described in detail in combination with the embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.

[0030] Example 1

[0031] like Figures 1-7 As shown, this embodiment provides a stacked energy storage inverter, which includes: an inverter main housing 100, and a junction box 200 disposed on one side of the outside of the inverter main housing 100; the inverter main housing 100 is provided with an installation cavity 110 for installing an energy storage system, and the junction box 200 is provided with a wiring cavity 210 for accommodating cables; the bottom of the inverter main housing 100 is provided with a support part 300 for supporting the inverter main housing 100; the top end face of the junction box 200 is on the same horizontal plane as the top end face of the inverter main housing 100, and the bottom end face of the junction box 200 is higher than the bottom end face of the support part 300.

[0032] The integrated design of the inverter main enclosure 100 and the junction box 200 in this embodiment makes the overall structure more compact and reduces space occupation. The junction box 200 is located on the outside of the inverter enclosure for easy wiring and subsequent maintenance.

[0033] In this embodiment, the junction box 200 is flush with the top end face of the inverter main housing 100, and the bottom end face of the junction box 200 is higher than the bottom end face of the support part 300, which enables the inverters to be stacked stably and improves space utilization.

[0034] In this embodiment, the junction box 200 has an opening 220 at one end away from the inverter housing. A cover plate 230 for opening and closing the wiring cavity 210 is provided at the opening 220. A Bluetooth viewing plate 231 is provided at the cover plate 230. An internal wiring section 240 is provided on one side wall of the junction box 200 perpendicular to the cover plate 230, and an external wiring section 250 is provided on the other side wall of the junction box 200 perpendicular to the cover plate 230.

[0035] The arrangement of the internal wiring section 240 and the external wiring section 250 in this embodiment makes the cable connection between the inside and outside of the system clearer, reduces wiring errors, and allows for cable inspection by opening the cover plate 230. The front and rear cable exits make full use of the space in the width direction and reduce the dimensions in the length and height directions.

[0036] The Bluetooth viewing panel 231 in this embodiment enables users to remotely monitor device status and promptly identify and address potential security risks.

[0037] In the embodiment, the first threading hole 140 and the second threading hole 150 are sequentially arranged on the side of the inverter main box body 100 close to the junction box 200 along the width direction of the inverter main box body 100, the third threading hole 260 and the fourth threading hole 270 corresponding to the first threading hole 140 and the second threading hole are sequentially arranged on the side of the junction box 200 close to the inverter main box body along the length direction of the junction box 200, the inner connecting cable is electrically connected with the internal connecting part 240 by passing through the first threading hole 140 and the third threading hole 260 from the installation cavity 110, and the outer connecting cable is electrically connected with the external connecting part 250 by passing through the second threading hole 150 and the fourth threading hole 270 from the installation cavity 110.

[0038] Through the arrangement of the threading holes in the embodiment, the cables can pass through the inverter main box body 100 and the junction box 200 in an orderly manner, the disorder and entanglement of the cables are avoided, the inner connecting cable and the outer connecting cable are connected through different threading holes respectively, which helps to reduce the electromagnetic interference between the cables, improve the stability and reliability of the equipment, and when the connecting cable fails, the clear threading path can make the troubleshooting easier.

[0039] In the embodiment, the internal connecting part 240 includes the isolating switch 241, the USB port 242, the battery connecting terminal 243 and the battery communication port 244 arranged at the side wall of the cover plate 230.

[0040] Through the arrangement of the various internal connecting terminals in the embodiment, the various connection requirements of the internal connection of the inverter are met, the equipment can be compatible with more internal devices and systems, the application range is expanded, different internal connecting terminals can be expanded according to the requirements of the user, and the adaptability of the energy storage inverter is improved.

[0041] In the embodiment, the external connecting part 250 includes the PV connector 251, the Back up connector 252, the Grid connector 253, the parallel machine port 254 and the COM interface 255 arranged at the side wall of the other side of the cover plate 230.

[0042] Through the arrangement of the various external connecting terminals in the embodiment, the various connection requirements of the external connection of the inverter are met, the equipment can be compatible with more external devices and systems, the application range is expanded, different external connecting terminals can be expanded according to the requirements of the user, and the adaptability of the energy storage inverter is improved.

[0043] In the embodiment, the inverter main box body 100 is provided with the heat sink 160 at the bottom, and the inductance box assembly 170 is arranged on both sides of the toothed heat sink 160, the inductance box assembly 170 includes the aluminum shell 171 bolted to the bottom of the inverter main box body 100, and the inductance element 172 arranged in the aluminum shell 171, and the mounting plate 173 is fixedly connected to the bottom of the aluminum shell 171.

[0044] The heat dissipation device 160 can quickly and effectively dissipate the heat generated by the inverter during operation, reduce the internal temperature of the energy storage inverter, and ensure long-term stable operation of the device. In the present embodiment, the inductive box shell is made of light aluminum shell 171 to reduce the weight of the overall energy storage inverter. The good corrosion resistance of the aluminum shell 171 can protect the inductive element 172 from the erosion of the external environment. The aluminum shell 171 as a good heat conducting material can assist the heat dissipation device 160 to dissipate heat and improve the overall heat dissipation efficiency.

[0045] In the present embodiment, the support part 300 includes a fixed support 310 arranged at both ends of the mounting plate 173, and the fixed support 310 is bolted to the mounting plate 173.

[0046] In the present embodiment, the two ends of the two mounting plates 173 are provided with fixed supports 310, so that the flat stacking of the energy storage inverters is more stable, the stackable arrangement of the energy storage inverters is realized, and the space utilization is improved.

[0047] In the present embodiment, the fixed support 310 is provided with a fixing hole 311.

[0048] In the present embodiment, the fixing hole 311 is provided, which can fix the energy storage inverter at the bottom with the connecting surface, realize flat installation, and improve the stability of the device.

[0049] It is easy to understand that the skilled in the art can combine, split, recombine, etc. on the basis of one or several embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the protection scope of the present application.

[0050] In summary, the above only describes the preferred embodiments of the present application, and any changes and modifications made within the scope of the present application shall be included in the scope of the present application.

Claims

1. A stacked energy storage inverter, characterized by: The application relates to an inverter main box (100) and a terminal box (200) arranged on the outer side of the inverter main box (100); the inverter main box (100) is internally provided with a mounting cavity (110) for mounting an energy storage system, and the terminal box (200) is internally provided with a terminal cavity (210) for accommodating cables; the bottom of the inverter main box (100) is provided with a supporting part (300) for supporting the inverter main box (100); the top end surface of the terminal box (200) is on the same horizontal plane as the top end surface of the inverter main box (100), and the bottom end surface of the terminal box (200) is higher than the bottom end surface of the supporting part (300).

2. A stacked energy storage inverter according to claim 1, characterized in that: The terminal box (200) is provided with an opening (220) at the end away from the inverter main box (100), the opening (220) is provided with a cover plate (230) for opening and closing the terminal cavity (210), the cover plate (230) is provided with a Bluetooth transparent plate (231), the terminal box (200) is provided with an internal terminal part (240) on the side wall perpendicular to the cover plate (230), and the terminal box (200) is provided with an external terminal part (250) on the other side wall perpendicular to the cover plate (230).

3. A stacked energy storage inverter according to claim 2, characterized in that: The inverter main box (100) is provided with a first threading hole (140) and a second threading hole (150) on the side close to the terminal box (200) along the width direction of the inverter main box (100), the terminal box (200) is provided with a third threading hole (260) and a fourth threading hole (270) corresponding to the first threading hole (140) and the second threading hole on the side close to the inverter main box along the length direction of the terminal box (200), and an internal cable is electrically connected with the internal terminal part (240) by passing through the first threading hole (140) and the third threading hole (260) from the mounting cavity (110), and an external cable is electrically connected with the external terminal part (250) by passing through the second threading hole (150) and the fourth threading hole (270) from the mounting cavity (110).

4. A stacked energy storage inverter according to claim 2, characterized in that: The internal terminal part (240) comprises a disconnecting switch (241), a USB port (242), a battery connecting terminal (243) and a battery communication port (244) arranged on the side wall of the cover plate (230).

5. A stacked energy storage inverter according to claim 2, characterized by: The external terminal part (250) comprises a PV connector (251), a Back up connector (252), a Grid connector (253), a parallel machine port (254) and a COM interface (255) arranged on the other side wall of the cover plate (230).

6. A stacked energy storage inverter according to claim 2, characterized by: The inverter main box (100) further comprises a heat dissipation device (160) arranged at the bottom and an inductance box assembly (170) arranged on both sides of the heat dissipation device (160), the inductance box assembly (170) comprises an aluminum shell (171) bolted to the bottom of the inverter main box (100) and an inductance element (172) arranged in the aluminum shell (171), and the aluminum shell (171) is fixedly connected with a mounting plate (173) at the bottom.

7. A stacked energy storage inverter according to claim 6, characterized by: The supporting part (300) comprises a fixed support (310) arranged at both ends of the mounting plate (173), and the fixed support (310) is bolted to the mounting plate (173).

8. A stacked energy storage inverter according to claim 7, characterized by: A fixing hole (311) is arranged at the fixing support (310).

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