Energy storage system integrated with transformer rack

Abstract

The utility model discloses an energy storage system integrated with a transformer rack, which belongs to the technical field of energy storage and comprises a transformer rack and an energy storage device, the transformer rack comprises a plurality of upright rod bodies and a transformer mounting platform connected with the rod bodies, a transformer and a distribution box are mounted on the transformer mounting platform, and the distribution box is connected with the transformer rack. The energy storage device comprises a plurality of energy storage battery cells, the rod body is provided with a hollow cavity, and the energy storage battery cells are installed in the hollow cavity. According to the utility model, the energy storage device and the transformer rack are integrated together, and the energy storage battery cell is arranged in the hollow cavity in the pole body, so that the battery cell can be effectively protected, the damage of rainwater erosion, lightning stroke and the like can be avoided, the possibility of safety risk caused by traffic accidents can be avoided, and meanwhile, the cost of occupying land can be saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric power engineering, specifically relates to a kind of energy storage system integrated with transformer rack. BACKGROUND

[0002] Whole village converging current as an innovative rural distributed photovoltaic development mode arises at the historic moment. Whole village converging current refers to the roof of the whole village or other areas suitable for installing photovoltaic facilities are integrated, and photovoltaic grid-connected system is installed through business model, replacing the traditional natural person single-household installation photovoltaic grid-connected mode.

[0003] For the capacity expansion of whole village converging current project, due to the policy demand of each region, energy storage device needs to be added to the transformer rack step-up transformer. At present, most of the existing transformer racks are located on both sides of the rural trunk road, and the added energy storage device needs to use a certain land area, which is easy to cause traffic hazards, and the energy storage device is easy to catch fire after collision, which has the safety hazard of causing fire.

[0004] In addition, with the new rural construction and transformation, there is a high requirement for the overall aesthetics of the countryside, and the installation of energy storage device containers in the village transformer rack affects the overall aesthetics. CONTENT OF UTILITY MODEL

[0005] In view of the deficiencies of the prior art, the technical problem to be solved by the utility model is to provide an energy storage system integrated with transformer rack, to solve the problems of increasing land area and safety hazards caused by adding energy storage device to transformer rack step-up transformer.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] An energy storage system integrated with transformer rack, comprising a transformer rack and an energy storage device, the transformer rack comprises a plurality of vertical rods and a transformer installation platform connected with the rods, the transformer installation platform is provided with a transformer and a distribution box, the energy storage device comprises a plurality of energy storage cells, the rod is provided with a hollow cavity, and the energy storage cell is installed in the hollow cavity.

[0008] Preferably, the rod is composed of a plurality of separable and combinable branch rod segments, and a group of energy storage cells is arranged in each branch rod segment.

[0009] Preferably, the energy storage cells in each rod are connected in series.

[0010] Preferably, the energy storage cells in each rod are connected in series by wires, and the wires and the energy storage cells are provided with connectors.

[0011] Preferably, the distribution box is provided with an energy storage management module, the energy storage management module is integrated with a BMS, a PCS and an EMS, and the energy storage management module is connected with the energy storage cells in series in each rod body.

[0012] Preferably, the adjacent two branch rod segments are connected through flanges and are fixed by flange bolts.

[0013] Preferably, the branch rod segment is a concrete prefabricated part.

[0014] Preferably, the bottom of the rod body is provided with an inlet hole, and the top of the rod body is provided with an outlet hole.

[0015] Preferably, the cable is fixed by a hoop at the inlet hole and the outlet hole.

[0016] Preferably, the length of the branch rod segment is 1 m.

[0017] The utility model discloses the technical scheme, has the following beneficial effects:

[0018] 1. According to the demand of whole village confluence, energy storage device and transformer rack are integrated, wherein energy storage cell is installed in the hollow cavity of rod body, not only can effectively protect the cell, avoid rainwater erosion and lightning hazards, also avoid the possibility of safety risk caused by traffic accidents, save the cost of land occupation, improve economic benefit. Of course, it also avoids the influence of the overall appearance caused by the existing technology of setting energy storage device container.

[0019] 2. The rod body is composed of a plurality of separable and combinable branch rod segments, and a group of energy storage cells is arranged in each branch rod segment, so that when part of the cells are aged or faulty, the corresponding branch rod segment can be removed and the cell can be replaced.

[0020] 3. The energy storage cells in each rod body are connected in series by wires, and the wires and the energy storage cells are provided with connectors, which facilitates quick series connection and separate separation.

[0021] 4. An energy storage management module is installed in the distribution box, and the energy storage management module is integrated with a BMS, a PCS and an EMS, so as to realize centralized management of the energy storage device.

[0022] 5. The adjacent two branch rod segments are connected through flanges and are fixed by flange bolts, so that the rod body can be quickly combined or separated.

[0023] 6. The branch rod segment is a concrete prefabricated part, which has low cost and can be prefabricated at both ends to form flanges to facilitate connection.

[0024] 7. The rod body has a reserved inlet hole at the bottom and a reserved outlet hole at the top, and the cable is fixed by a hoop at the inlet hole and the outlet hole, so that the inlet and outlet are convenient.

[0025] The features and advantages of the present application will be illustrated in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0026] The utility model will be further described below in combination with the drawings:

[0027] Figure 1 For the utility model one kind and transformer rack integrated energy storage system schematic diagram;

[0028] Figure 2 For Figure 1 Enlarged structural schematic view at A in figure 2;

[0029] Reference signs: transformer rack 1, rod body 11, branch rod section 111, flange 112, flange bolt 113, transformer installation platform 12, transformer 13, distribution box 14, energy storage cell 2, wire 21.

DETAILED DESCRIPTION

[0030] The technical scheme of the utility model embodiment will be explained and described below in combination with the drawings of the utility model embodiment, but the following embodiment is only preferred embodiment of the utility model, and not all.Based on the embodiment in the embodiment, other embodiments obtained by the person skilled in the art without making creative work all belong to the protection scope of the utility model.

[0031] The person skilled in the art can understand that the features in the following embodiment and embodiment can be combined mutually without conflict.

[0032] The terms used in the utility model are only for the purpose of describing specific embodiments, and are not intended to limit the utility model.For example, the words indicating orientation or position relationship such as "upper", "lower", "inner" and "outer" in the following are only based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the indicated device / element must have a particular orientation or be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model.

[0033] In the utility model, unless otherwise expressly provided and limited, the first feature is "on" or "under" the second feature, which can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on the surface of" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] In addition, the terms "first", "second", and the like are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features.

[0035] In the utility model, unless otherwise expressly provided and limited, the terms "installation", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] Referring to Figure 1 and Figure 2 It is shown that the embodiment provides a kind of energy storage system integrated with transformer rack, including transformer rack 1 and energy storage device, the transformer rack 1 includes several upright pole body 11 and the transformer installation platform 12 connected with pole body 11. The existing rack booster transformer rack pole body is usually provided with two, transformer installation platform 12 is located at the middle position of pole body height, transformer 13 and distribution box 14 are installed on the transformer installation platform 12, transformer 13 is above, and distribution box 14 is below it. The energy storage device includes several energy storage cells 2, the pole body 11 is provided with hollow cavity, and the energy storage cell 2 is installed in the hollow cavity.

[0037] The above technical scheme integrates the energy storage device with the transformer rack according to the demand of whole village confluence, wherein the energy storage cell is installed in the hollow cavity inside the pole body, which not only can effectively protect the cell, avoid the hazards such as rain erosion and lightning strike, but also can avoid the possibility of safety risk caused by traffic accident, save the cost of land occupation, and improve the economic benefit. Of course, it also avoids the problem of affecting the overall appearance caused by the existing technology of setting energy storage device container.

[0038] In some embodiments, the rod body 11 is composed of several separable and combinable branch rod segments 111, each of which is provided with a group of energy storage cells 2. All the energy storage cells 2 in each rod body are connected in series. Specifically, the energy storage cells in each rod body are connected in series by wires 21, and the wires and the energy storage cells are provided with connectors. When some of the cells are aged or faulty, the corresponding branch rod segment can be removed and replaced with the cell, and the use of connectors facilitates the series connection and individual replacement of the cells.

[0039] Further, the two adjacent branch rod segments 111 are butted by flanges 112 and fixed by flange bolts 113. Specifically, the branch rod segment 111 is a concrete prefabricated part, and the steel flange is integrally prefabricated. Therefore, it has a lower cost, and the flange can be prefabricated at both ends to facilitate butt joint.

[0040] In addition, the bottom of the rod body is provided with an inlet hole, and the top of the rod body is provided with an outlet hole. The strength of the opening can be improved by reinforcing the steel around the inlet hole and the outlet hole. The cable is fixed by a hoop at the inlet hole and the outlet hole, so that the inlet and outlet are facilitated. Preferably, the length of the branch rod segment 111 is 1 m. Of course, other suitable sizes can also be used, as long as they can be easily combined and separated. In this way, the two concrete rods of the gantry are replaced by flange-connected concrete rods that can be assembled and replaced in units of 1 meter, and the energy storage cells are filled in the 1-meter concrete rods, and then the concrete rods of each section are connected by flanges and flange bolts to replace the 15-meter or 12-meter concrete rods used by the conventional gantry.

[0041] Referring to the existing energy storage device, an energy storage management module is provided. The energy storage management module can be integrated with a BMS (battery management system), a PCS (energy management system), and an EMS (energy management system). In the present embodiment, the energy storage management module is installed in the distribution box 14, and the energy storage management module is connected with the energy storage cells 2 connected in series in each rod body, so as to manage the energy storage cells.

[0042] It can be understood that the other structures of the transformer gantry are the same as those of the prior art, and will not be described here.

[0043] In addition, referring to the project scheme of whole village convergence, a distributed photovoltaic power station is provided, which can be installed on the roof of a farmer's house or other places. The distributed photovoltaic power station is connected with the energy storage cells, that is, the electric energy generated by the distributed photovoltaic power station is stored in the energy storage device.

[0044] The above descriptions are only specific embodiments of the utility model, and the protection scope of the utility model is not limited to this, and the skilled in the art should understand that the utility model includes but is not limited to the content described in the drawings and the above specific embodiments.Any modification not deviating from the function and structural principle of the utility model will be included in the scope of claims.

Claims

1. An energy storage system integrated with a transformer platform, comprising a transformer platform and an energy storage device, the transformer platform comprising a plurality of upright pole bodies and a transformer mounting platform connected to the pole bodies, the transformer mounting platform mounting a transformer and a distribution box thereon, characterized in that, The energy storage device comprises a plurality of energy storage cells, the rod body is provided with a hollow cavity, and the energy storage cells are installed in the hollow cavity.

2. A stored energy system integrated with a transformer skid as claimed in claim 1, wherein, The rod body is composed of a plurality of separable and combinable branch rod segments, and a group of energy storage cells is correspondingly arranged in each branch rod segment.

3. An energy storage system integrated with a transformer platform according to claim 2, wherein, The energy storage cells in each rod body are connected in series.

4. The energy storage system integrated with transformer platform of claim 3, wherein, The energy storage cells in each rod body are connected in series by wires, and the wires and the energy storage cells are provided with connectors.

5. The energy storage system integrated with transformer platform of claim 3, wherein, The distribution box is provided with an energy storage management module, the energy storage management module is integrated with a BMS, a PCS and an EMS, and the energy storage management module is connected with the energy storage cells connected in series in each rod body.

6. The energy storage system integrated with transformer platform of claim 2, wherein, The two adjacent branch rod segments are butted through flanges and are fixed by flange bolts.

7. The energy storage system integrated with transformer platform of claim 2, wherein, The branch rod segment is a concrete prefabricated part.

8. The energy storage system integrated with transformer platform of claim 1, wherein, The bottom of the rod body is provided with an inlet hole, and the top of the rod body is provided with an outlet hole.

9. An energy storage system integrated with a transformer skid according to claim 8, wherein, The cable is fixed by a hoop at the inlet hole and the outlet hole.

10. The energy storage system integrated with transformer platform of claim 2, wherein, The length of the branch rod segment is 1 m.

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