High-capacity energy storage converter

Abstract

The utility model relates to the field of electric energy storage equipment, in particular to a high-capacity energy storage converter, which comprises a shell provided with an accommodating cavity for accommodating an energy storage converter, and a photovoltaic module is arranged at the top of the shell; the top end of the shell is connected with a baffle plate; the photovoltaic assembly comprises a guide rail assembly, a driving assembly and a photovoltaic panel, the guide rail assembly is connected to the top end face of the shell and extends to the position below the shielding plate, and the size of the shielding plate is larger than that of the photovoltaic panel; the photovoltaic panel is connected to the guide rail assembly, and the driving assembly is connected with the guide rail assembly and drives the photovoltaic panel to move into or out of the position below the shielding plate. The photovoltaic assembly can move flexibly and can adapt to different weather conditions.

Description

Technical Field

[0001] The utility model relates to the field of electric energy storage equipment, in particular to a large-capacity energy storage converter. Background Art

[0002] With the rapid development of renewable energy, such as hydropower, wind power, solar power, tides, etc., the energy storage of renewable energy is very important due to its own intermittent characteristics, making the role of energy storage technology in the power system increasingly prominent.

[0003] As a key device for renewable energy access to the power grid, the performance of large-capacity energy storage converters directly affects the stable operation of the power system and the efficient use of energy. In the prior art, some energy storage converters will install photovoltaic panels on the top, such as an energy storage converter with solar charging function in the prior art, including a cabinet with a cavity and a converter and a battery cabinet arranged in the cavity. The top of the cabinet is recessed inward to form a first mounting groove and a second mounting groove, and a first photovoltaic panel electrically connected to the converter is arranged in the first mounting groove, and a second photovoltaic panel electrically connected to the converter is arranged in the second mounting groove. A first wiring hole that is connected to the cavity is opened on the first mounting groove, and a second wiring hole that is connected to the cavity is opened on the second mounting groove. The converter can convert the electric energy converted from solar energy by the first photovoltaic panel and the second photovoltaic panel into a current suitable for use in the battery cabinet, and store it by the battery inside the battery cabinet, so as to achieve that when the energy storage converter has power generation equipment, the volume of the energy storage converter is still maintained. However, the photovoltaic panels on the existing energy storage inverters are not good enough to cope with severe weather conditions and are easily damaged or become dusty and unable to work under severe weather conditions such as heavy rain, sandstorms, etc. Utility Model Content

[0004] The utility model aims to provide a large-capacity energy storage converter to solve the problem that photovoltaic panels are easily damaged or covered with dust under adverse weather conditions.

[0005] The large-capacity energy storage converter in this solution includes a housing with a storage cavity for accommodating the energy storage converter device, and a photovoltaic module is provided on the top of the housing;

[0006] A shielding plate is connected to the top end of the housing;

[0007] The photovoltaic assembly includes a guide rail assembly, a drive assembly and a photovoltaic panel, wherein the guide rail assembly is connected to the top surface of the housing and extends to below the shielding plate, and the size of the shielding plate is larger than the size of the photovoltaic panel;

[0008] The photovoltaic panel is connected to the guide rail assembly, and the driving assembly is connected to the guide rail assembly and drives the photovoltaic panel to move into or out from under the shielding plate.

[0009] Furthermore, the photovoltaic panel is provided with a plurality of photovoltaic units, and the photovoltaic units are electrically connected to form a photovoltaic array.

[0010] Furthermore, the guide rail assembly includes a first guide rail and a second guide rail, the first guide rail and the second guide rail are parallel to each other, and the lengths of the first guide rail and the second guide rail extend along the length direction of the top end portion of the shell.

[0011] Furthermore, the radial cross-sections of the first guide rail and the second guide rail are concave, and the concave side walls of the first guide rail and the second guide rail are smooth wall surfaces.

[0012] Furthermore, the driving assembly includes a motor and a plurality of roller components, the motor is connected to the roller components, and the roller components are tightly fitted in the first guide rail and the second guide rail respectively.

[0013] Furthermore, a connecting rod is fixedly provided on the roller component, and the photovoltaic panel is fixedly provided on the top end of the connecting rod.

[0014] Furthermore, a hollow cavity is provided between the inner wall of the shell and the energy storage converter, the hollow cavity is filled with a heat-insulating layer, and a cooling component is provided in the storage cavity.

[0015] Furthermore, a fastener is fixedly provided on a side wall of the shell parallel to the first guide rail, and the fastener comprises a fastening plate fixedly provided on the side wall of the shell, and a through hole is provided on the fastening plate for bolts to be inserted and fastened.

[0016] Furthermore, a through slot is provided on the shell, a transparent liquid crystal display panel is fixedly provided in the through slot, and a backlight source is fixedly provided at a position of the liquid crystal display panel facing the inner wall of the storage cavity.

[0017] Furthermore, a sliding groove is provided on the side wall of the baffle plate facing the shell, a slider is slidably connected in the sliding groove, a return spring is connected between the slider and the inner wall of the sliding groove, an extension plate that can be pushed out by the photovoltaic panel is fixed on the slider, and the extension plate is flush with the photovoltaic panel.

[0018] The beneficial effects of this program are:

[0019] The PV modules can be moved by rail assemblies, so that they can be moved under the shielding plate when not in use or in bad weather conditions. The flexible movement of the PV modules can adapt to different weather conditions. The outer shell is filled with an insulation layer and arranged with cooling components to effectively improve the thermal insulation performance and heat dissipation efficiency of the energy storage inverter, ensuring that the internal components operate at a suitable temperature. In addition, the outer shell surface is provided with a through groove and inlaid with a transparent LCD panel. Combined with the internal backlight design, it provides users with an intuitive monitoring interface, which is convenient for real-time viewing of the working status and related information of the energy storage inverter. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of the first embodiment of the large-capacity energy storage converter of the utility model;

[0021] Figure 2 It is a top view of the shielding area and the non-shielding area in the first embodiment of the large-capacity energy storage converter of the utility model;

[0022] Figure 3 This is a schematic diagram of a photovoltaic module located in a non-shielded area in Embodiment 1 of the large-capacity energy storage converter of the utility model;

[0023] Figure 4 It is a horizontal cross-sectional view of the housing in the first embodiment of the large-capacity energy storage converter of the utility model;

[0024] Figure 5 This is a front view of the large-capacity energy storage converter embodiment 2 of the utility model after two housings are assembled;

[0025] Figure 6 This is a front view of the fourth embodiment of the large-capacity energy storage converter of the utility model;

[0026] Figure 7 It is a top view of the extension plate in the fourth embodiment of the large-capacity energy storage converter of the utility model moving out of the shielding plate. DETAILED DESCRIPTION

[0027] The following is further explained in detail through specific implementation methods.

[0028] The figure marks in the drawings of the specification include: housing 1, inverter device 2, photovoltaic module 3, shielding area 31, non-shielding area 32, liquid crystal display panel 4, guide rail assembly 5, supporting vertical plate 6, shielding plate 7, slider 8, slide groove 9, extension plate 10.

[0029] Embodiment 1

[0030] Large capacity energy storage converters, such as Figure 1 and Figure 3 As shown: it includes a shell 1 with a storage cavity to accommodate an energy storage inverter device 2, the shell 1 is in a rectangular shape, a photovoltaic component 3 is installed on the top of the shell 1, and a baffle plate 7 is connected to the top end of the shell 1 through a welded support vertical plate 6, that is, the bottom end of the support vertical plate 6 is welded to the top end of the shell 1, and the baffle plate 7 is welded to the top end of the support vertical plate 6.

[0031] like Figure 2As shown, the photovoltaic assembly 3 includes a guide rail assembly 5, a drive assembly and a photovoltaic panel. The guide rail assembly 5 is connected to the top surface of the housing 1 and extends to the bottom of the shielding plate 7. The shielding plate 7 divides the top portion of the housing 1 into a shielding area 31 and a non-shielding area 32. The size of the shielding plate 7 is larger than that of the photovoltaic panel, and the photovoltaic panel can be completely located in the shielding area 31 or the non-shielding area 32. The photovoltaic panel is connected to the guide rail assembly 5, and the drive assembly is connected to the guide rail assembly 5, and drives the guide rail assembly 5 to drive the photovoltaic panel to move under the shielding plate 7 or move out from under the shielding plate 7. The shielding plate 7 is located at one end of the photovoltaic panel that moves out of the shielding area 31, and bristles that contact the top of the photovoltaic panel are bonded.

[0032] A plurality of photovoltaic units are installed on the photovoltaic panel. The photovoltaic units are existing photovoltaic devices. The photovoltaic units are electrically connected to form a photovoltaic array. The specific structure adopts the existing ones and will not be described in detail here.

[0033] The guide rail assembly 5 includes a first guide rail and a second guide rail, the first guide rail and the second guide rail are parallel to each other, and the lengths of the first guide rail and the second guide rail extend along the length direction of the top end of the housing 1, that is, the first guide rail and the second guide rail extend the entire shielding area 31 and the non-shielding area 32. The radial cross-sections of the first guide rail and the second guide rail are concave, and the concave side walls of the first guide rail and the second guide rail are smooth wall surfaces.

[0034] The driving assembly includes a motor and a plurality of roller components. In specific implementation, the motor can be an existing stepper motor, the motor is connected to the roller component, and the motor drives the roller component to move in the guide rail in an existing installation method. The roller component is an existing roller and its related installation accessories. The roller component is tightly matched in the first guide rail and the second guide rail respectively. The roller component is connected to the support vertical plate 6 through a mounting seat, that is, the roller is installed on the bottom end of the support vertical plate 6, and the photovoltaic panel is fixedly installed on the top end of the support vertical plate 6.

[0035] like Figure 4 As shown, a through slot is provided on the housing 1, and a transparent liquid crystal display panel 4 is fixedly installed in the through slot by screws and sealant. The liquid crystal display panel 4 can be an existing product and can be selected according to actual needs. A backlight source is fixedly installed by screws at a position of the liquid crystal display panel 4 facing the inner wall of the storage cavity. The backlight source can use LED lamp beads as the light source.

[0036] The transparent LCD panel 4 can be used to view the working status, power information, fault prompts and other important data of the energy storage converter in real time. The transparent LCD panel 4 can also be used to see the situation in the storage cavity. In order to ensure the display effect of the LCD panel 4 under different lighting conditions, a backlight source is arranged at a position corresponding to the LCD panel 4 inside the storage cavity. The backlight source provides uniform background lighting for the LCD panel 4, ensuring that it can clearly display information in various environments.

[0037] The movable photovoltaic panel design enables the photovoltaic panel to be flexibly moved between the shielding area 31 and the non-shielding area 32 through the guide rail components and the driving components to adapt to different weather conditions.

[0038] Embodiment 2

[0039] The large-capacity energy storage inverter is different from the first embodiment in that there is a hollow cavity between the inner wall of the outer shell 1 and the energy storage inverter, and the hollow cavity is filled with an insulation layer, and the insulation layer is made of high-efficiency insulation materials, such as rock wool, polyurethane foam, etc. The insulation material has the advantages of low thermal conductivity, low density, and good fire resistance, and can effectively prevent the transfer of heat. By filling the middle layer of the outer shell 1 with insulation material, the internal heat loss to the outside can be significantly reduced, and the internal temperature of the energy storage inverter can be kept stable. A cooling component is installed in the storage cavity, and the cooling component can be an existing air conditioner.

[0040] Embodiment 3

[0041] The large-capacity energy storage converter is different from the first embodiment in that Figure 5 As shown, a fastener is welded on the side wall of the housing 1 parallel to the first guide rail. The specific height position of the fastener is set according to the actual situation. The fastener includes a fastening plate welded on the side wall of the housing 1. The fastening plate is provided with a through hole for bolts to be inserted and fastened. The two housings 1 can be connected into a whole at the two joints through the fastener, which is convenient for expansion and use.

[0042] Embodiment 4

[0043] The large-capacity energy storage converter is different from the first embodiment in that Figure 6 and Figure 7 As shown, a slide groove 9 is opened on the side wall of the baffle plate 7 facing the shell 1, and the radial cross-section of the slide groove 9 is T-shaped. A slider 8 is slidably connected in the slide groove 9. The slider 8 and the slide groove 9 are matched with each other. A return spring is connected between the slider 8 and the inner wall of the slide groove 9. The return spring is located at one end of the slide groove 9 facing the non-shielding area 32. An extension plate 10 is welded on the slider 8, which can be pushed out from under the baffle plate 7 by the photovoltaic panel, and the extension plate 10 is flush with the photovoltaic panel.

[0044] When the photovoltaic panel moves from the non-shielded area 32 to the shielded area 31, the photovoltaic panel pushes the extension plate 10 to extend out of the shielding plate 7, thereby increasing the shielding area 31 of the shielding plate 7, thereby improving the shielding effect under different weather conditions and keeping the photovoltaic assembly 3 from being affected by environmental conditions. The movement of the extension plate 10 does not require additional power, and the overall structure is simple and energy-saving.

[0045] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A large-capacity energy storage converter, comprising a housing with a storage cavity for accommodating an energy storage converter device, wherein a photovoltaic module is disposed on the top of the housing; characterized in that: A shielding plate is connected to the top end of the housing; The photovoltaic assembly includes a guide rail assembly, a drive assembly and a photovoltaic panel, wherein the guide rail assembly is connected to the top surface of the housing and extends to below the shielding plate, and the size of the shielding plate is larger than the size of the photovoltaic panel; The photovoltaic panel is connected to the guide rail assembly, and the driving assembly is connected to the guide rail assembly and drives the photovoltaic panel to move into or out from under the shielding plate.

2. A large-capacity energy storage converter according to claim 1, characterized in that: The photovoltaic panel is provided with a plurality of photovoltaic units, and the photovoltaic units are electrically connected to form a photovoltaic array.

3. A large-capacity energy storage converter according to claim 1, characterized in that: The guide rail assembly includes a first guide rail and a second guide rail, the first guide rail and the second guide rail are parallel to each other, and the lengths of the first guide rail and the second guide rail extend along the length direction of the top end of the shell.

4. A large-capacity energy storage converter according to claim 3, characterized in that: The radial cross-sections of the first guide rail and the second guide rail are concave, and the concave side walls of the first guide rail and the second guide rail are smooth wall surfaces.

5. A large-capacity energy storage converter according to claim 4, characterized in that: The driving assembly comprises a motor and a plurality of roller components, wherein the motor is connected to the roller components, and the roller components are respectively tightly fitted in the first guide rail and the second guide rail.

6. A large-capacity energy storage converter according to claim 5, characterized in that: A connecting rod is fixed on the roller component, and the photovoltaic panel is fixed on the top end of the connecting rod.

7. A large-capacity energy storage converter according to claim 1, characterized in that: A hollow cavity is provided between the inner wall of the shell and the energy storage converter, the hollow cavity is filled with a heat preservation layer, and a cooling component is provided in the storage cavity.

8. A large-capacity energy storage converter according to claim 1, characterized in that: A fastener is fixedly arranged on the side wall of the shell parallel to the first guide rail. The fastener comprises a fastening sheet fixedly arranged on the side wall of the shell. The fastening sheet is provided with a through hole for bolts to be inserted and fastened.

9. A large-capacity energy storage converter according to claim 1, characterized in that: The shell is provided with a through slot, a transparent liquid crystal display panel is fixedly arranged in the through slot, and a backlight source is fixedly arranged at a position of the liquid crystal display panel facing the inner wall of the storage cavity.

10. A large-capacity energy storage converter according to claim 1, characterized in that: The shielding plate is provided with a sliding groove on the side wall facing the shell, a slider is slidably connected in the sliding groove, a return spring is connected between the slider and the inner wall of the sliding groove, an extension plate that can be pushed out by the photovoltaic panel is fixed on the slider, and the extension plate is flush with the photovoltaic panel.

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