Energy storage alternating current all-in-one machine and photovoltaic system

Abstract

The embodiment of the utility model provides an energy storage AC all-in-one machine and a photovoltaic system, and relates to the technical field of energy storage equipment. The energy storage and communication all-in-one machine comprises a container, an oil pool and an interlayer, and the oil pool is located in the container and arranged at the bottom of the container. The interlayer is arranged in the oil pool, the interlayer is used for dividing an inner cavity of the oil pool into an upper cavity and a lower cavity, the interlayer is provided with at least one through hole, and the through hole is used for communicating the upper cavity with the lower cavity. The oil pool and the container are integrated, that is, the oil pool is contained in the container, so that the oil pool can be prevented from being independently built on site, the cost can be reduced, the construction difficulty can be reduced, and soil is not easily polluted. In addition, the oil pool is designed into the upper chamber and the lower chamber which are separated, so that the oil collecting space can be increased, and a large amount of oil can be collected.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage equipment technical field, specifically, relate to a kind of energy storage AC all-in-one machine and photovoltaic system. BACKGROUND

[0002] Energy storage AC all-in-one machine is usually applied to photovoltaic power generation project, and some energy storage AC all-in-one machines installed in photovoltaic system need to be configured with oil pool capable of storing transformer oil. The main role of oil collection pool is to collect and store waste oil to prevent environmental pollution. The oil collection pool can collect waste oil discharged by devices such as transformers in an accident state to prevent these waste oils from being directly discharged into the environment, causing pollution.

[0003] As a storage facility, the oil collection pool can temporarily store waste oil to ensure sufficient time and space for handling these waste oils. However, most of the oil pools on the energy storage market are currently built outside the product through infrastructure to build base oil pools, which is complex and costly to build. Moreover, it can easily pollute the soil during use. SUMMARY

[0004] The utility model provides a kind of energy storage AC all-in-one machine and photovoltaic system, it can not need to build base oil pool, reduce production cost, and also can realize relatively large amount of oil collection.

[0005] The embodiments of the utility model can be implemented as follows:

[0006] The embodiments of the utility model provide an energy storage AC all-in-one machine, which includes:

[0007] A container;

[0008] An oil pool is located inside the container and is arranged at the bottom of the container.

[0009] A partition is arranged in the oil pool, which is used to divide the inner cavity of the oil pool into an upper chamber and a lower chamber. The partition is provided with at least one through hole for communicating the upper chamber and the lower chamber.

[0010] In an optional embodiment, the energy storage AC all-in-one machine further includes a filter element arranged in the through hole.

[0011] In an optional embodiment, the filter element is a floor drain.

[0012] In an optional embodiment, the energy storage AC all-in-one machine further includes a plurality of reinforcing ribs, and a plurality of reinforcing ribs are arranged in the upper chamber. The plurality of reinforcing ribs are used to divide the upper chamber into a plurality of small chambers. At least one notch is formed in each reinforcing rib to communicate the plurality of small chambers with each other.

[0013] In an optional embodiment, a wire slot is formed on the reinforcing rib, and the wire slot is used for placing a cable tube.

[0014] In an optional embodiment, the bottom of the container is provided with two partition walls, and the two partition walls are arranged at intervals, and the two partition walls and the bottom of the container jointly enclose the oil pool.

[0015] In an optional embodiment, the energy storage AC integrated machine further comprises a transformer, and the oil pool is arranged below the transformer.

[0016] In an optional embodiment, the oil pool is provided with at least one oil discharge hole for communicating the lower chamber with the external environment.

[0017] In an optional embodiment, the oil discharge hole comprises a first oil discharge hole and a second oil discharge hole, the first oil discharge hole is provided with an oil discharge valve, and the second oil discharge hole is provided with an oil-water separator.

[0018] The embodiment of the utility model further provides a photovoltaic system comprising a photovoltaic module and the energy storage AC integrated machine in any of the above embodiments, and the photovoltaic module is connected with the energy storage AC integrated machine.

[0019] The energy storage AC integrated machine has the following advantages:

[0020] The energy storage AC integrated machine comprises a container, an oil pool and a partition layer, the oil pool is located in the container and arranged at the bottom of the container. By integrating the oil pool with the container, that is, the container contains the oil pool, the on-site separate construction of the oil pool can be avoided, the cost can be reduced, the construction difficulty can be reduced, and the soil is not easy to be polluted. In addition, the partition layer is arranged in the oil pool, the partition layer is used for separating the inner cavity of the oil pool into an upper chamber and a lower chamber, the partition layer is provided with at least one through hole, and the through hole is used for communicating the upper chamber and the lower chamber. By designing the oil pool as two chambers separated in upper and lower directions, the oil collection space can be increased, and a large amount of oil collection can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope. For ordinary skilled in the art, other related drawings can also be obtained without creative labor according to these drawings.

[0022] Figure 1 It is a schematic view of the energy storage AC integrated machine from the first perspective in the embodiment of the utility model;

[0023] Figure 2 Figure 2 is a schematic view of a second perspective of the energy storage and AC integrated machine according to an embodiment of the present application;

[0024] Figure 3 Figure 3 is a schematic view of an A-A cross section according to an embodiment of the present application;

[0025] Figure 4 Figure 4 is a schematic view of a B-B cross section according to an embodiment of the present application;

[0026] Figure 5 Figure 5 is a schematic view of a C-C cross section according to an embodiment of the present application;

[0027] Figure 6 Figure 6 is a schematic view of a D-D cross section according to an embodiment of the present application;

[0028] Figure 7 Figure 7 is a schematic view of the energy storage and AC integrated machine including a transformer according to an embodiment of the present application.

[0029] Legend: 1000-energy storage and AC integrated machine; 100-container; 200-oil pool; 210-upper chamber; 220-lower chamber; 230-oil drain hole; 231-first oil drain hole; 232-second oil drain hole; 240-oil drain valve; 250-oil-water separator; 300-separation layer; 310-through hole; 400-filtering member; 500-stiffener; 510-notch; 520-cable slot; 600-cable tube; 700-separation wall; 800-transformer. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0031] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0032] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0033] In the description of the utility model, it needs to be explained that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0034] In addition, if the terms "first", "second" and the like are used only to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0035] It should be noted that the features in the embodiments of the utility model can be combined with each other without conflict.

[0036] The energy storage AC all-in-one machine is usually applied to photovoltaic power generation projects, and some energy storage AC all-in-one machines installed in photovoltaic systems need to be configured with oil pools that can store transformer oil. The main function of the oil pool is to collect and store waste oil to prevent environmental pollution. The oil pool can collect waste oil discharged by devices such as transformers in an accident state, prevent these waste oils from being directly discharged into the environment, and cause pollution. As a storage facility, the oil pool can temporarily store waste oil to ensure sufficient time and space when processing these waste oils. However, most of the oil pools on the energy storage market are currently outside the product, and the oil pool is built by infrastructure. The construction is complex, and the construction cost is high. Moreover, the soil is easily polluted during use.

[0037] Based on this, please refer to Figure 1 , Figure 2 and Figure 3 The energy storage AC all-in-one machine 1000 and the photovoltaic system provided in the embodiments of the utility model can effectively improve the above-mentioned technical problems. The energy storage AC all-in-one machine 1000 can not need to build a base oil pool 200, reduce the production cost, and also can realize a large amount of oil collection. The energy storage AC all-in-one machine 1000 can be applied to photovoltaic systems, power stations and the like, and the photovoltaic system and the like with the energy storage AC all-in-one machine 1000 also have the same functions as described above, which will not be repeated here.

[0038] The photovoltaic system provided in this embodiment (not shown in the figure) includes a photovoltaic component and an energy storage AC all-in-one machine 1000, and the photovoltaic component is connected to the energy storage AC all-in-one machine 1000. The photovoltaic component is electrically connected to the energy storage battery or inverter in the energy storage AC all-in-one machine 1000. The photovoltaic component can convert solar energy into electrical energy. After the electrical energy passes through the controller and the inverter, a part of the electrical energy is directly supplied to the load for use, and the other part is stored in the energy storage battery. When the electrical energy provided by the solar panel is insufficient, the energy storage battery can release the stored electrical energy in time to supply the load for use. The photovoltaic system is efficient and economical. The photovoltaic system can convert solar energy into electrical energy and can achieve efficient energy utilization, thereby improving energy utilization. The operating cost of the photovoltaic system is low. In addition, the photovoltaic system provided in this embodiment may also include an inverter and a controller, which are determined according to actual usage requirements and are not limited here.

[0039] The structure of the integrated energy storage AC unit 1000 is described in detail below.

[0040] Figure 1 A schematic diagram of the energy storage AC integrated machine 1000 provided in an embodiment of the present utility model from a first perspective; Figure 2 for Figure 1 Schematic diagram from another perspective; Figure 3 is a schematic diagram of the AA section. Figure 1 、 Figure 2 and Figure 3 As shown, the energy storage AC integrated unit 1000 provided in this embodiment includes a container 100, an oil pool 200, and a partition 300. The oil pool 200 is located in the container 100 and is arranged at the bottom of the container 100. The entire bottom of the container 100 can be provided with the oil pool 200, or part of the bottom of the container 100 can be provided as the oil pool 200, depending on the specific usage and is not limited here. The partition 300 is provided in the oil pool 200. The partition 300 is used to separate the inner cavity of the oil pool 200 into an upper chamber 210 and a lower chamber 220. The partition 300 is provided with at least one through hole 310, and the through hole 310 is used to connect the upper chamber 210 and the lower chamber 220. By integrating the oil pool 200 with the container 100, that is, the oil pool 200 is included in the container 100, it is possible to avoid the need to construct the oil pool 200 separately on site, thereby reducing costs, reducing construction difficulty, and not easily causing soil pollution. In addition, by designing the oil pool 200 into two chambers separated into upper and lower parts, the oil collecting space can be increased, thereby achieving a larger amount of oil collection.

[0041] Specifically, see Figure 1 and Figure 2 , and combined with Figure 3 and Figure 6 , Figure 6The bottom of the container 100 in the embodiment is provided with a partition wall 700, the number of the partition wall 700 is two, the two partition walls 700 are arranged at intervals, and the two partition walls 700 and the bottom of the container 100 jointly enclose the oil pool 200. The partition wall 700 can not only isolate the space in the oil pool 200 from other installation spaces of the container 100, but also can be used as an oil baffle to reduce the fluctuation of oil, prevent oil splashing and overflow. In order to further reduce the fluctuation of oil, the partition wall 700 in the embodiment is arranged in a wave shape. Of course, an oil baffle can also be arranged on the side of the partition wall 700 close to the cavity of the oil pool 200 to enhance the leakage prevention performance of the partition wall 700. In addition, an oil tank with one end opening can also be arranged at the bottom of the container 100 to form the oil pool 200, and a partition layer 300 is arranged in the oil pool 200; the opening faces upward and is arranged below the transformer 800 to receive oil leakage of the transformer 800 in an accident.

[0042] In order to prevent branches, dust or small animals from blocking the through hole 310, please refer to Figure 2 The energy storage alternating current integrated machine 1000 in the embodiment further comprises a filter 400 arranged in the through hole 310. Specifically, the filter 400 in the embodiment is a floor drain. The floor drain main sleeve comprises a bottom groove, a filter screen and an odor-proof part, the bottom groove is provided with a liquid discharge port, and the bottom groove can temporarily store liquid when the floor drain discharges oil. The filter screen is installed in the bottom groove to isolate branches, dust and other sundries, the odor-proof part is connected with the filter screen, and has the effects of preventing insects, preventing odor, and preventing backflow, and is generally a T-shaped metal odor-proof part, of course, other shapes and materials of odor-proof parts can also be used, which are not limited herein. Of course, the filter 400 can also be a filter screen and the like, which are not limited herein.

[0043] In order to discharge waste oil in the oil pool 200, please refer to Figure 2 , and in combination with Figure 1The oil pool 200 in the embodiment is provided with at least one oil discharge hole 230 for connecting the lower chamber 220 and the external environment, and the oil discharge hole 230 is used for connecting the waste oil in the oil pool 200 with other treatment devices. In order to facilitate the next step of waste oil treatment, the oil discharge hole 230 in the embodiment includes a first oil discharge hole 231 and a second oil discharge hole 232, the first oil discharge hole 231 is provided with an oil discharge valve 240, and the second oil discharge hole 232 is provided with an oil-water separator 250. The main function of the oil-water separator 250 is to separate oil and water to prevent oil and water from mixing together. In detail, the number of the first oil discharge hole 231 and the second oil discharge hole 232 is two, and the two first oil discharge holes 231 are respectively arranged on the opposite sides of the oil pool 200, and the second oil discharge hole 232 is also arranged on the opposite sides of the oil pool 200. Of course, the number of the first oil discharge hole 231 and the second oil discharge hole 232 can also be one, three, four or more, which is determined according to the actual use condition and cost demand, and is not limited here.

[0044] In order to enhance the overall strength of the oil pool 200 and reduce the number of oil-water separation devices, thereby saving the cost, please refer to Figure 2 , and in combination with Figure 4 , Figure 4 is a schematic view of the B-B section provided in the embodiment of the utility model; the energy storage alternating current integrated machine 1000 in the embodiment further includes a plurality of reinforcing ribs 500, and the upper chamber 210 is further provided with a plurality of reinforcing ribs 500, and the plurality of reinforcing ribs 500 are used for separating the upper chamber 210 into a plurality of small chambers; at least one notch 510 is formed on each reinforcing rib 500 to make the plurality of small chambers communicate with each other. That is, the notch 510 on each reinforcing rib 500 can communicate with two adjacent small chambers. By adopting this structure design similar to the communicating vessel, the number of the oil-water separators 250 can be reduced, thereby saving the cost. The plurality of reinforcing ribs 500 in the embodiment are crisscrossed, and of course, the reinforcing ribs 500 can also be arranged obliquely, which is not limited here.

[0045] Please continue to refer to Figure 2 , and in combination with Figure 5 , Figure 5 is a schematic view of the C-C section provided in the embodiment of the utility model, and the reinforcing rib 500 in the embodiment is provided with a wire slot 520, and the wire slot 520 is used for placing the cable tube 600. The wire slot 520 and the notch 510 are arranged staggeredly and do not affect each other.

[0046] Figure 7 is a schematic view of the energy storage alternating current integrated machine 1000 including the transformer 800 provided in the embodiment of the utility model, please refer to Figure 7The energy storage AC all-in-one machine 1000 in the embodiment further comprises a transformer 800, and the oil pool 200 is arranged below the transformer 800. The transformer 800 will discharge waste oil in an accident state, which may pollute the environment. Therefore, the oil pool 200 in the embodiment is arranged below the transformer 800 and the like to receive the waste oil discharged by the transformer 800 in the accident state. The transformer 800 can also shield the oil pool 200 to avoid the possibility of blockage. In addition, in order to improve efficiency and ensure safety, the length of the oil pool 200 in the embodiment is greater than or equal to the length of the transformer 800 to completely wrap the transformer 800 and prevent oil leakage. Of course, the length of the oil pool 200 can also be less than the length of the transformer 800, as long as the waste oil in the accident state of the transformer 800 can be completely received.

[0047] Of course, the energy storage AC all-in-one machine 1000 can further comprise an energy storage battery box and the like to realize various functions, which are not limited herein and are determined according to actual conditions.

[0048] In summary, the energy storage AC all-in-one machine 1000 comprises a container 100, an oil pool 200 and a partition layer 300. The oil pool 200 is arranged in the container 100 and at the bottom of the container 100. The partition layer 300 is arranged in the oil pool 200, and the partition layer 300 is used to divide the inner cavity of the oil pool 200 into an upper cavity 210 and a lower cavity 220. The partition layer 300 is provided with at least one through hole 310 for communication between the upper cavity 210 and the lower cavity 220. By integrating the oil pool 200 with the container 100, that is, the oil pool 200 is contained in the container 100, the on-site separate construction of the oil pool 200 can be avoided, the cost can be reduced, the construction difficulty can be reduced, and the soil is not easily polluted. In addition, by designing the oil pool 200 as two cavities separated in upper and lower directions, the oil collection space can be increased, and a large amount of oil can be collected.

[0049] The above merely describes the specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any changes or replacements within the technical range disclosed by the present application can be easily thought of by those skilled in the art, which should be covered within the protection scope of the present application.

Claims

1. An energy storage AC integrated machine, characterized in that: include: Container (100); an oil pool (200), the oil pool (200) being located in the container (100) and arranged at the bottom of the container (100); A partition (300) is provided on the oil pool (200), and the partition (300) is used to separate the inner cavity of the oil pool (200) into an upper chamber (210) and a lower chamber (220). The partition (300) is provided with at least one through hole (310), and the through hole (310) is used to connect the upper chamber (210) and the lower chamber (220).

2. The energy storage AC integrated machine according to claim 1, characterized in that: The energy storage AC integrated machine (1000) further comprises a filter element (400), and the filter element (400) is arranged in the through hole (310).

3. The energy storage AC integrated machine according to claim 2, characterized in that: The filter element (400) is a floor drain.

4. The energy storage AC integrated machine according to claim 1, characterized in that: The energy storage AC integrated machine (1000) further comprises a plurality of reinforcing ribs (500), and a plurality of reinforcing ribs (500) are further provided in the upper chamber (210). The plurality of reinforcing ribs (500) are used to separate the upper chamber (210) into a plurality of small chambers; and each of the reinforcing ribs (500) is provided with at least one notch (510) so that the plurality of small chambers are interconnected.

5. The energy storage AC integrated machine according to claim 4, characterized in that: A wire groove (520) is provided on the reinforcing rib (500), and the wire groove (520) is used for placing a cable tube (600).

6. The energy storage AC integrated machine according to any one of claims 1 to 5, characterized in that: A partition wall (700) is provided at the bottom of the container (100), and the number of the partition walls (700) is two. The two partition walls (700) are arranged at intervals, and the two partition walls (700) and the bottom of the container (100) together enclose the oil pool (200).

7. The energy storage AC integrated machine according to any one of claims 1 to 5, characterized in that: The energy storage AC integrated machine (1000) further comprises a transformer (800), and the oil pool (200) is arranged below the transformer (800).

8. The energy storage AC integrated machine according to any one of claims 1 to 5, characterized in that: The oil pool (200) is provided with at least one oil drain hole (230), and the oil drain hole (230) is used to connect the lower chamber (220) and the external environment.

9. The energy storage AC integrated machine according to claim 8, characterized in that: The oil drain hole (230) comprises a first oil drain hole (231) and a second oil drain hole (232); an oil drain valve (240) is provided at the first oil drain hole (231); and an oil-water separator (250) is provided at the second oil drain hole (232).

10. A photovoltaic system, characterized in that: It comprises a photovoltaic component and the energy storage AC integrated machine (1000) according to any one of claims 1 to 9, wherein the photovoltaic component is connected to the energy storage AC integrated machine (1000).

Images