Energy storage device for photovoltaic power station

Abstract

The utility model provides an energy storage device for a photovoltaic power station, which belongs to the field of photovoltaic technology and comprises a supporting assembly, a base, a support fixedly connected to the side wall of the base and a cross beam fixedly connected to the side wall of the support. The energy storage assembly comprises a supporting rod installed in the middle of the cross beam in a sliding mode, an energy storage battery body installed at the upper end of the supporting rod, and a blocking strip fixedly installed at the end of the supporting rod. The beneficial effects of the utility model are that through the cooperation of the supporting assembly and the energy storage assembly, electric energy can be stored when the generated power is excessive, electric energy can be released when the generated power is insufficient, electric power can be stably output according to a predetermined power generation plan, the friendliness and schedulability of photovoltaic power generation to a power grid are improved, and the acceptance capability of the power grid to photovoltaic power generation is enhanced; in an area with abundant illumination resources and limited power grid absorption capability, the energy storage device can store redundant electric energy, so that light abandoning loss caused by incapability of timely grid connection is avoided, and the utilization rate of solar energy resources is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to photovoltaic technical field, concretely relates to a kind of energy storage devices for photovoltaic power station. BACKGROUND

[0002] In recent years, battery technology continues to develop, energy density, cycle life, charge and discharge efficiency and other performance indicators significantly improved, gradually reduced in cost. A variety of new energy storage technologies emerge, such as lithium-ion battery technology matures, performance continues to optimize;Sodium ion battery is concerned due to the advantages of abundant sodium resources, low cost;Flow battery has the characteristics of large energy storage capacity, deep discharge, etc. These technological progress provides more choices for photovoltaic power station energy storage device, makes it possible to develop efficient, reliable, economic energy storage device, and promotes the development and application of photovoltaic power station energy storage technology.

[0003] In some remote areas or off-grid application scenarios, such as islands, mountainous areas, etc., power grid coverage is insufficient or power supply is unstable. Photovoltaic power station energy storage device can realize the storage and autonomous supply of electric energy, improve the energy self-sufficiency rate, and ensure local power demand. For some places with high requirements for power reliability, such as hospitals, data centers, etc., energy storage device can provide backup power supply when the power grid fails, ensure uninterrupted operation of critical equipment, reduce losses caused by power failure, and enhance the reliability and safety of power supply. Therefore, there is an urgent need for an energy storage device for photovoltaic power station. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an energy storage device for photovoltaic power station, to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An energy storage device for photovoltaic power station, comprising,

[0007] Support assembly, including base, support fixedly connected to the side wall of the base, and crossbeam fixedly connected to the side wall of the support;

[0008] Energy storage assembly, including support rod slidingly installed in the middle of the crossbeam, energy storage battery main body installed on the upper end of the support rod, and stop bar fixedly installed at the end of the support rod, the stop bar is connected to the outside of the energy storage battery main body, and the stop bar is in sliding contact with the side wall of the support.

[0009] As a preferred scheme of the utility model, the energy storage assembly further comprises a fixing member fixedly connected to the side wall of the support rod, and a support rod inserted in the middle of the fixing member, the support rod is connected to the side wall of the energy storage battery main body.

[0010] As a preferred scheme of the utility model, the energy storage assembly further comprises a backing plate clamped on the top of the energy storage battery body, and a pressing plate installed on the upper end of the backing plate, the pressing plate extends to the outside of the energy storage battery body.

[0011] As a preferred scheme of the utility model, the upper end of the support rod is inserted into the middle of the through hole at the end of the pressing plate, and the top of the support rod is fixed to the side wall of the pressing plate through a nut.

[0012] As a preferred scheme of the utility model, the energy storage assembly further comprises an insertion block installed on the side wall of the blocking strip, and the end of the insertion block is inserted into the side wall of the energy storage battery body.

[0013] As a preferred scheme of the utility model, the support assembly further comprises a bolt rod installed on the side wall of the support, and the end of the bolt rod is inserted into the side wall of the cross beam.

[0014] As a preferred scheme of the utility model, the support assembly further comprises a cover plate inserted into the top of the support, and the cover plate is installed above the energy storage battery body.

[0015] Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of the support assembly and the energy storage assembly, the electric energy can be stored when the power generation power is excessive, and the electric energy can be released when the power generation power is insufficient, the power fluctuation is effectively suppressed, the output power is more stable and smooth, the photovoltaic power station can better track the power grid scheduling plan, the power is stably output according to the predetermined power generation plan, the friendliness and schedulability of the photovoltaic power generation to the power grid are improved, the power grid's acceptance capacity for the photovoltaic power generation is enhanced, in the area where the light resource is rich but the power grid's consumption capacity is limited, the energy storage device can store the excess electric energy, the light abandonment loss caused by the failure to timely connect to the grid is avoided, and the solar energy resource utilization rate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without the creative labor for the ordinary skilled in the art. Among them:

[0017] Figure 1 It is one of the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the second overall structure schematic diagram of the utility model;

[0019] Figure 3 It is the side surface structure schematic diagram of the utility model;

[0020] Figure 4 It is a front structure schematic view of the utility model.

[0021] In the drawing: 100, support assembly; 101, base; 102, support; 103, crossbeam; 104, bolt bar; 105, cover plate; 200, energy storage assembly; 201, support rod; 202, energy storage battery main body; 203, blocking strip; 204, fixing piece; 205, support rod; 206, pad plate; 207, pressing plate; 208, plug block. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are described in detail below with the help of the accompanying drawings of the specification.

[0023] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0024] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0025] EMBODIMENT

[0026] REFERENCE Figures 1-4 For the embodiment of the utility model, the embodiment provides an energy storage device for photovoltaic power station, comprising,

[0027] The support assembly 100 comprises a base 101, a support 102 fixedly connected to the side wall of the base 101, and a crossbeam 103 fixedly connected to the side wall of the support 102.

[0028] The energy storage assembly 200 comprises a support rod 201 slidingly installed in the middle of the crossbeam 103, an energy storage battery main body 202 installed at the upper end of the support rod 201, and a blocking strip 203 fixedly installed at the end of the support rod 201, the blocking strip 203 is clamped outside the energy storage battery main body 202, and the blocking strip 203 is in sliding contact with the side wall of the support 102.

[0029] The support assembly 100 is used for mounting the energy storage assembly 200, maintaining the stability of the position of the energy storage assembly 200, facilitating the use of the photovoltaic power supply device, and increasing the adjustable support rod 201 in the middle of the crossbeam 103 of the side wall of the support 102, facilitating the support of the energy storage battery body 202 of different sizes, and the stop strip 203 is used for limiting the energy storage battery body 202 in cooperation with the support 102 and the support rod 201, maintaining the stability of the position of the energy storage battery body 202, facilitating the placement of multiple groups of energy storage battery bodies 202 together, and improving the utilization rate of the energy storage device.

[0030] Specifically, the energy storage assembly 200 further comprises a fixing piece 204 fixedly connected to the side wall of the support rod 201, and a support rod 205 inserted in the middle of the fixing piece 204, and the support rod 205 is clamped to the side wall of the energy storage battery body 202.

[0031] The fixing piece 204 is used for further limiting the side wall of the energy storage battery body 202 in cooperation with the support rod 205, and the energy storage battery bodies 202 combined together are fixed.

[0032] Further, the energy storage assembly 200 further comprises a pad 206 clamped to the top of the energy storage battery body 202, and a pressing plate 207 installed on the upper end of the pad 206, and the end of the pressing plate 207 extends to the outside of the energy storage battery body 202.

[0033] The pad 206 is used for shielding and protecting the connection area above the energy storage battery body 202 in cooperation with the energy storage battery body 202, and the pressing plate 207 is used for fixing the pad 206 together, maintaining the stability of the position of the pad 206.

[0034] Further, the upper end of the support rod 205 is inserted in the middle of the through hole of the end of the pressing plate 207, and the top of the support rod 205 is fixed to the side wall of the pressing plate 207 through a nut.

[0035] The upper end of the support rod 205 is fixedly connected to the pressing plate 207, which can be fixed together with the support rod 201 and the pressing plate 207, further maintaining the stability of the position of the energy storage battery body 202.

[0036] Preferably, the energy storage assembly 200 further comprises an insertion block 208 installed on the side wall of the stop strip 203, and the end of the insertion block 208 is inserted into the side wall of the energy storage battery body 202.

[0037] The insertion block 208 is used for limiting the energy storage battery body 202, maintaining a certain buffer space between the side wall of the energy storage battery body 202 and another group of energy storage battery bodies 202, preventing the energy storage battery body 202 from being deformed due to long-term use.

[0038] It should be noted that the support assembly 100 further comprises a latch rod 104 installed on the side wall of the bracket 102, and the end of the latch rod 104 is inserted into the side wall of the cross beam 103.

[0039] Wherein, the latch rod 104 is added to fix the cross beam 103 on the side wall of the bracket 102, and maintain the stability of the connection structure of the bracket 102 and the cross beam 103.

[0040] Preferably, the support assembly 100 further comprises a cover plate 105 inserted on the top of the bracket 102, and the cover plate 105 is installed above the energy storage battery body 202.

[0041] Wherein, the cover plate 105 is used to shield and protect the area above the energy storage battery body 202, and reduce the influence of the external environment on the energy storage battery body 202.

[0042] In use, the adjustable support rod 201 is added in the middle of the cross beam 103 on the side wall of the bracket 102, and the distance of the support rod 201 is adjusted along the cross beam 103, which is convenient for supporting the use of energy storage battery bodies 202 of different sizes. The stop bar 203 is used to cooperate with the bracket 102 and the support rod 201 to limit the energy storage battery body 202, and keep the position of the energy storage battery body 202 stable. The upper end of the support rod 205 is fixedly connected with the pressing plate 207, which can cooperate with the support rod 201 and the pressing plate 207 to be fixed together, further keep the position of the energy storage battery body 202 stable, and facilitate the placement of multiple groups of energy storage battery bodies 202 together, and improve the utilization rate of the energy storage device.

[0043] In summary, through the cooperation of the support assembly and the energy storage assembly, the electric energy can be stored when the power generation power is excessive, and the electric energy can be released when the power generation power is insufficient, which effectively suppresses the power fluctuation, makes the output power more stable and smooth, helps the photovoltaic power station to better track the power grid dispatching plan, and outputs the power according to the predetermined power generation plan, improves the friendliness and schedulability of photovoltaic power generation to the power grid, and enhances the acceptance capacity of the power grid to photovoltaic power generation. In the area where the light resource is rich but the power grid consumption capacity is limited, the energy storage device can store excess electric energy, avoid the loss of abandoned light caused by the failure to be connected to the grid in time, and improve the utilization rate of solar energy resources.

[0044] It is important to note that the construction and arrangements of the application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without departing from the novel teachings and advantages of the subject matter described herein (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, locations, and the like). For example, the elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be modified or changed. Thus, all such modifications are intended to be included within the scope of the present inventive subject matter. The order or sequence of any process or method steps can be varied or re-sequenced without departing from the subject matter described herein. Any "open / closed" claims are intended to encompass the structure described herein, and not just the structure equivalent, but also the equivalent structure. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventive subject matter. Accordingly, the present inventive subject matter is not limited to particular embodiments described, but extends to various modifications that nevertheless fall within the scope of the appended claims.

[0045] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of an actual implementation can be described (i.e., those pertaining to the

[0046] It is understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts can be complex and time-consuming, but would be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0047] It should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application but not to limit the present application, and although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalent replaced without departing from the spirit and scope of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. An energy storage device for a photovoltaic power plant, characterized by: The utility model relates to a support assembly (100) including a base (101), a support (102) fixedly connected to the side wall of the base (101), and a crossbeam (103) fixedly connected to the side wall of the support (102). The energy storage assembly (200) further includes a fixing piece (204) fixedly connected to the side wall of the support rod (201), and a support rod (205) inserted into the middle of the fixing piece (204), wherein the support rod (205) is clamped to the side wall of the energy storage battery body (202). The energy storage assembly (200) further includes a backing plate (206) clamped to the top of the energy storage battery body (202), and a pressing plate (207) installed on the upper end of the backing plate (206), wherein the end of the pressing plate (207) extends to the outside of the energy storage battery body (202).

2. The energy storage device for a photovoltaic power station according to claim 1, characterized in that: The upper end of the support rod (205) is inserted into the middle of the through hole of the end of the pressing plate (207), and the top of the support rod (205) is fixed to the side wall of the pressing plate (207) through a nut.

3. The energy storage device for a photovoltaic power station according to claim 2, characterized in that: The energy storage assembly (200) further includes an insertion block (208) installed on the side wall of the blocking strip (203), wherein the end of the insertion block (208) is inserted into the side wall of the energy storage battery body (202).

4. The energy storage device for a photovoltaic power station according to claim 3, characterized in that: The support assembly (100) further includes a bolt rod (104) installed on the side wall of the support (102), wherein the end of the bolt rod (104) is inserted into the side wall of the crossbeam (103).

5. The energy storage device for a photovoltaic power station according to claim 4, characterized in that: The support assembly (100) further includes a cover plate (105) inserted into the top of the support (102), wherein the cover plate (105) is installed above the energy storage battery body (202).

6. The energy storage device for a photovoltaic power station according to claim 5, characterized in that: ​ 7. The energy storage device for a photovoltaic power station according to claim 6, characterized in that: ​

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