Energy storage device

Abstract

The utility model provides an energy storage device which comprises a cabinet body, a first heat exchange assembly, at least one battery box and a cabinet door, the cabinet body comprises a cavity, the cavity comprises a battery bin and a first electrical bin which are communicated with each other in the first direction, the first heat exchange assembly is located in the first electrical bin, and the battery box is located in the battery bin. The cabinet door is movably mounted on the cabinet body; the cabinet door and the first heat exchange assembly are oppositely arranged in the first direction. The cabinet door directly faces the first electrical bin, so that an operator can open the cabinet door to directly overhaul and maintain the first heat exchange assembly in the first electrical bin; according to the embodiment of the invention, when an operator overhauls and maintains the first heat exchange assembly in the first electrical bin, the operator is not interfered by other parts in the cabinet body, and the operation space is relatively large, so that the operator can overhauls and maintain the first heat exchange assembly in the cabinet body easily.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage battery technical field, concretely relates to an energy storage device. BACKGROUND

[0002] Energy storage cabinet will produce a large amount of heat in the use process, in the related technology, through the liquid cooling unit in the energy storage cabinet is arranged to the battery temperature control, the liquid cooling unit in the energy storage cabinet is usually installed to the independent chamber, and in order to improve the space utilization rate in the energy storage cabinet, the chamber volume that contains the liquid cooling unit is usually designed to be relatively small, so setting, it is inconvenient for the operator to overhaul and maintain the liquid cooling unit. SUMMARY

[0003] The embodiment of the utility model provides a kind of energy storage device, can improve the technical problem that liquid cooling unit in energy storage cabinet is not easy to overhaul and maintain.

[0004] First, the embodiment of the utility model provides an energy storage device, comprising:

[0005] Cabinet, cabinet includes a cavity, cavity includes battery compartment and first electrical compartment in the first direction and communicate with each other;

[0006] First heat exchange component and at least one battery box, first heat exchange component is located in first electrical compartment, and battery box is located in battery compartment;

[0007] Cabinet door, cabinet door is movably installed on cabinet;

[0008] Wherein, cabinet door and first heat exchange component are oppositely arranged in the first direction.

[0009] In some embodiments, cabinet further includes second electrical compartment, second electrical compartment is located in the side of cavity in the second direction, and the first direction and the second direction intersect;

[0010] Energy storage device further includes energy storage converter, and energy storage converter is located in second electrical compartment.

[0011] In some embodiments, cabinet further has support end in the second direction;

[0012] Second electrical compartment is located between cavity and support end.

[0013] In some embodiments, cabinet is provided with pressure relief port, and pressure relief port is located at the end of cabinet away from support end, and pressure relief port communicates with battery compartment.

[0014] In some embodiments, second electrical compartment includes first sub-cavity and second sub-cavity, and first sub-cavity and second sub-cavity are arranged in the third direction, and the third direction is perpendicular to the first direction and the second direction respectively.

[0015] The energy storage device further comprises a second heat exchange assembly, and the energy storage converter is located in the first sub-cavity, and the second heat exchange assembly is located in the second sub-cavity.

[0016] In some embodiments, at least one first air inlet and at least one first air outlet are arranged on the cabinet body, and the first air inlet and the first air outlet are both in communication with the second sub-cavity.

[0017] In some embodiments, the cabinet body further comprises a partition, which is located in the battery compartment and separates the battery compartment into installation cavities arranged in the third direction, the installation cavities extend along the second direction, and the two installation cavities are both in communication with the first electrical compartment, and the battery box is located in the installation cavities.

[0018] The first direction intersects the second direction, and the third direction is perpendicular to the first direction and the second direction.

[0019] In some embodiments, at least one second air inlet and at least one second air outlet are arranged on the cabinet door, and the second air inlet and the second air outlet are both in communication with the first electrical compartment.

[0020] In some embodiments, at least one supporting rib is arranged in the cavity and connected with the inner wall of the cavity.

[0021] In some embodiments, the energy storage device further comprises at least one supporting part arranged on the inner wall of the battery compartment to support the battery box; and / or

[0022] The energy storage device further comprises at least one guiding part arranged on the inner wall of the battery compartment to guide the installation of the battery box into the battery compartment.

[0023] The embodiments of the utility model have the advantages of:

[0024] In the embodiments of the utility model, the energy storage device comprises a cabinet body, a first heat exchange assembly, at least one battery box, and a cabinet door, the cabinet body comprises a cavity, the cavity comprises a battery compartment and a first electrical compartment in communication with each other in the first direction, the first heat exchange assembly is located in the first electrical compartment, the battery box is located in the battery compartment, and the cabinet door is movably installed on the cabinet body; wherein the cabinet door and the first heat exchange assembly are oppositely arranged in the first direction; by arranging the cabinet door opposite to the first electrical compartment, the operator can open the cabinet door to directly maintain and repair the first heat exchange assembly located in the first electrical compartment; compared with the liquid cooling unit for temperature control and management of the battery installed in the compact cavity in the related art, when the operator maintains and repairs the first heat exchange assembly located in the first electrical compartment in the embodiments of the application, the operator is not interfered by other parts in the cabinet body, and the operation space is large, so that the operator can easily maintain and repair the first heat exchange assembly in the cabinet body. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0026] Figure 1 is a perspective view of the energy storage device provided by the embodiment of the present application;

[0027] Figure 2 is a perspective view of the energy storage device provided by the embodiment of the present application;

[0028] Figure 3 is Figure 2 the enlarged view of A in FIG.

[0029] Explanation of reference signs:

[0030] 100, energy storage device; 1, cabinet body; 101, partition; 2, cavity; 21, battery compartment; 211, mounting cavity; 22, first electrical compartment; 3, cabinet door; 4, second electrical compartment; 41, first sub-cavity; 42, second sub-cavity; 5, support end; 6, pressure relief port; 7, first air inlet; 8, first air outlet; 10, second air inlet; 11, second air outlet; 12, support rib; 13, support part; 14, guide part. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without any creative effort belong to the scope of protection of the present application. In addition, it should be understood that the specific embodiments described herein are only used to illustrate and explain the present application, not to limit the present application. In the present application, the orientation words such as "upper" and "lower" generally refer to the upper and lower of the device in the actual use or working state, and the specific direction is the direction of the drawing surface in the drawings; and "inner" and "outer" refer to the contour of the device.

[0032] The energy storage cabinet will generate a large amount of heat during use. In the related art, a liquid cooling unit is arranged in the energy storage cabinet to control the temperature of the battery. The liquid cooling unit in the energy storage cabinet is usually installed in a separate cavity, and in order to improve the space utilization rate in the energy storage cabinet, the volume of the cavity accommodating the liquid cooling unit is usually designed to be relatively small. With such arrangement, it is inconvenient for the operator to maintain and repair the liquid cooling unit.

[0033] In view of this, the present application provides an energy storage device, Figures 1 to 3 For some embodiments of the present application. As shown in the drawings, the Y direction is the first direction, the Z direction is the second direction, and the X direction is the third direction. The first direction intersects the second direction, and the third direction is perpendicular to the first direction and the second direction. In the following embodiments, the angle between the first direction Y, the second direction Z and the third direction X is 90°. It should be emphasized that the angle between the first direction Y, the second direction Z and the third direction X is 90° does not constitute a limitation on the following embodiments of the present application.

[0034] Please refer to Figures 1 to 2 In some embodiments of the present application, the energy storage device 100 includes a cabinet 1 and a cabinet door 3. The cabinet 1 includes a cavity 2, which includes a battery compartment 21 and a first electrical compartment 22 that are in communication with each other in the first direction Y. The cabinet door 3 is movably mounted on the cabinet 1. That is, in this embodiment, the operator can cover the cavity 2 or expose the cavity 2 by moving the cabinet door 3.

[0035] In some embodiments of the present application, the energy storage device 100 further includes a first heat exchange assembly and at least one battery box. The first heat exchange assembly is located in the first electrical compartment 22, and the battery box is located in the battery compartment 21. The first heat exchange assembly located in the first electrical compartment 22 can control and manage the temperature of the battery box in the battery compartment 21 to avoid safety hazards caused by high temperature in the cabinet 1.

[0036] In some embodiments of the present application, the first heat exchange assembly can also warm up the battery box in the battery compartment 21 to avoid the influence of low external environment temperature on the normal operation of the energy storage device 100.

[0037] In some embodiments of the present application, the cabinet door 3 and the first heat exchange assembly are arranged opposite to each other in the first direction Y. That is, in this embodiment, the operator can open the cabinet door 3 to overhaul the parts inside the cavity 2, and the first electrical compartment 22 is opposite to the cabinet door 3, that is, the first heat exchange assembly located in the first electrical compartment 22 will not be blocked by other parts in the cabinet 1.

[0038] In the technical solution of the present application, the cabinet door 3 is opposite to the first electrical bin 22, so that the operator can open the cabinet door 3 to directly maintain and repair the first heat exchange assembly in the first electrical bin 22. Compared with the related art in which the liquid cooling unit for temperature control and management of the battery is installed in the compact chamber, in the embodiment of the present application, when the operator maintains and repairs the first heat exchange assembly in the first electrical bin 22, the operator is not interfered by other components in the cabinet 1, and the operation space is large, so that the operator can easily maintain and repair the first heat exchange assembly in the cabinet 1.

[0039] It can be understood that when the battery box and the first heat exchange assembly are installed in the cavity 2, the battery box can be first installed in the battery bin 21, and then the first heat exchange assembly is installed in the first electrical bin 22. The first heat exchange assembly in the first electrical bin 22 can also shield the battery bin 21 in the first direction Y to protect the battery box in the battery bin 21.

[0040] That is, the first heat exchange assembly and the cabinet 1 can jointly protect the battery box in the battery bin 21.

[0041] In addition, in addition to the first heat exchange assembly, other electrical elements in the energy storage device 100 can also be installed in the first electrical bin 22 to improve the utilization rate of the space in the cabinet 1.

[0042] In some embodiments of the present application, the cabinet 1 further comprises a second electrical bin 4, the second electrical bin 4 is located on one side of the cavity 2 in the second direction Z, and the second electrical bin 4 is configured to accommodate an energy storage converter; wherein the second electrical bin 4 is arranged on one side of the cavity 2 in the second direction Z to reduce the occupied area of the cabinet 1 in the first direction Y and the third direction X.

[0043] The energy storage converter in the second electrical bin 4 mainly controls the charging and discharging process of the energy storage device 100, thereby realizing direct alternating current conversion of electric energy; that is, the energy storage converter can convert direct current in the energy storage device 100 into alternating current to supply the power grid or alternating complex use; at the same time, the energy storage converter can also rectify alternating current of the power grid into direct current to charge the energy storage device 100.

[0044] Since the cavity 2 has two sides in the second direction Z, that is, the second electrical bin 4 can be located on any one side of the two sides of the cavity 2 in the second direction Z; this is not limited. Taking the second direction Z as the up-down direction, the second electrical bin 4 can be arranged on the upper side of the cavity 2, or on the lower side of the cavity 2.

[0045] In some embodiments of the present application, a partition is arranged in the cabinet 1, which divides the internal space of the cabinet 1 to form the second electrical bin 4 and the cavity 2.

[0046] In some embodiments of the present application, the cabinet body 1 also has a support end 5 in the second direction Z, and the second electrical bin 4 is located between the cavity 2 and the support end 5; wherein the support end 5 of the cabinet body 1 is configured to be placed on the installation plane of the cabinet body 1, and the second direction Z is taken as the up-down direction, that is, the support end 5 is located at the lower end of the cabinet body 1, and the second electrical bin 4 is also located on the lower side of the cavity 2.

[0047] In some embodiments of the present application, the cabinet body 1 is provided with a pressure relief port 6, which is located at one end of the cabinet body 1 away from the support end 5, and the pressure relief port 6 is in communication with the battery bin 21; wherein when the battery box in the battery bin 21 appears thermal runaway, the high-pressure gas in the cabinet body 1 can be discharged from the pressure relief port 6 to avoid the explosion of the cabinet body 1 due to the excessive internal gas pressure.

[0048] In addition, the pressure relief direction of the pressure relief port 6 is away from the support end 5, that is, away from the second electrical bin 4, so as to avoid the pressure relief direction of the pressure relief port 6 being towards the second electrical bin 4 when the battery box in the battery bin 21 appears thermal runaway, thereby damaging the energy storage alternator in the second electrical bin 4.

[0049] In some embodiments of the present application, the pressure relief direction of the pressure relief port 6 is in the second direction Z away from the support end 5, and there are no other components of the energy storage device 100 in the direction away from the support end 5 in the second direction Z, so as to avoid damaging other components of the energy storage device 100 during pressure relief.

[0050] In some embodiments of the present application, the pressure relief port 6 is in a closed state when the energy storage device 100 is in a normal state and the battery box in the battery bin 21 does not appear thermal runaway, so as to avoid impurities or liquids entering the inside of the cabinet body 1 and causing damage to the components inside the cabinet body 1.

[0051] In some embodiments of the present application, the second electrical bin 4 includes a first sub-cavity 41 and a second sub-cavity 42, which are arranged in the third direction X; wherein the first sub-cavity 41 is configured to accommodate the energy storage converter, and the second sub-cavity 42 is configured to accommodate the second heat exchange assembly; wherein the second heat exchange assembly can be provided to control and manage the temperature of the energy storage converter.

[0052] In some embodiments of the present application, a support is arranged between the first sub-cavity 41 and the second sub-cavity 42, thereby supporting the partition plate and further improving the structural strength of the cabinet body 1.

[0053] In some embodiments of the present application, at least one first air inlet 7 and at least one first air outlet 8 are arranged on the cabinet body 1, and the first air inlet 7 and the first air outlet 8 are both in communication with the second sub-cavity 42. By arranging the first air inlet 7 and the first air outlet 8, the air in the second sub-cavity 42 can circulate, thereby dissipating heat from the second heat exchange assembly in the second sub-cavity 42.

[0054] In some embodiments of the present application, the first air inlet 7 and the first air outlet 8 are both louvered air inlets.

[0055] In some embodiments of the present application, the cabinet body 1 further comprises a partition 101 located in the battery compartment 21 to divide the battery compartment 21 into two mounting cavities 211 arranged in the third direction X, and the mounting cavities 211 extend along the second direction Z. Both of the mounting cavities 211 are in communication with the first electrical compartment 22, and the battery boxes are located in the mounting cavities 211. In this embodiment, part of the battery boxes in the battery compartment 21 are arranged in one mounting cavity 211, and the other part of the battery boxes are arranged in the other mounting cavity 211, so as to reduce the size of the cabinet body 1 in the first direction Z, that is, to reduce the height of the cabinet body 1 in the up-down direction, thereby improving the stability of the cabinet body 1.

[0056] In some embodiments of the present application, two cabinet doors 3 are arranged, and both of the cabinet doors 3 are rotatably installed on the cabinet body 1. An operator can open the cabinet door 3 to expose the first electrical compartment 22, thereby facilitating the maintenance and repair of the first heat exchange assembly in the first electrical compartment 22.

[0057] In some embodiments of the present application, at least one second air inlet 10 and at least one second air outlet 11 are arranged on the cabinet door 3, and the second air inlet 10 and the second air outlet 11 are both in communication with the first electrical compartment 22. That is, in this embodiment, the cabinet door 3 is in communication with the first electrical compartment 22, and therefore the second air inlet 10 and the second air outlet 11 are arranged on the cabinet door 3 to enable the air in the first electrical compartment 22 to circulate, thereby dissipating heat from the first heat exchange assembly in the first electrical compartment 22.

[0058] In some embodiments of the present application, at least part of the cabinet door 3 is opposite to the second sub-cavity 42, and the cabinet door 3 is further provided with the first air inlet 7 at the position opposite to the second sub-cavity 42, thereby improving the air circulation capacity in the second sub-cavity 42.

[0059] In some embodiments of the present application, the energy storage device 100 further comprises at least one supporting rib 12 arranged in the cavity 2 and connected with the inner wall of the cavity 2. The supporting rib 12 serves to support the strength of the cabinet body 1.

[0060] In some embodiments of the present application, the support ribs 12 are provided with two, one of which extends along the third direction X and the other of which extends along the second direction Z, and the two support ribs 12 intersect with each other to support the inside of the cabinet body 1.

[0061] In some embodiments of the present application, the two support ribs 12 are both arranged between the battery compartment 21 and the first electrical compartment 22.

[0062] Please refer to Figures 2 to 3 In some embodiments of the present application, the energy storage device 100 further comprises at least one support part 13 arranged on the inner wall of the battery compartment 21 to support the battery box. By providing the support part 13, an installation position is provided for the installation of the battery box, so that the battery box can be assembled in the cabinet body 1.

[0063] In some embodiments of the present application, the mounting cavity 211 is provided with a support part 13 on the inner wall on both sides of the third direction X, and the two support parts 13 on the inner wall on both sides of the third direction X of the mounting cavity 211 are oppositely arranged in the third direction X.

[0064] In some embodiments of the present application, the plurality of support parts 13 arranged in the mounting cavity 211 are arranged in the second direction Z, so that a plurality of battery boxes arranged in the second direction Z can be installed in one mounting cavity 211.

[0065] In some embodiments of the present application, the energy storage device 100 further comprises at least one guide part 14 arranged on the inner wall of the battery compartment 21 to guide the installation of the battery box into the battery compartment 21. By providing the guide part 14, the installation of the battery box into the battery compartment 21 can be guided, which facilitates the assembly of the energy storage device 100 by the operator or the operator.

[0066] The energy storage device 100 provided in the application comprises at least the following working processes or principles: the energy storage device 100 comprises a cabinet body 1 and a cabinet door 3, the cabinet body 1 comprises a cavity 2, the cavity 2 comprises a battery compartment 21 and a first electrical compartment 22 which are communicated with each other in a first direction Y, and the cabinet door 3 is movably installed on the cabinet body 1; that is, in this embodiment, an operator can cover the cavity 2 or expose the cavity 2 by moving the cabinet door 3, the energy storage device 100 further comprises a first heat exchange assembly and at least one battery box, the first heat exchange assembly is located in the first electrical compartment 22, and the battery box is located in the battery compartment 21; wherein the first heat exchange assembly located in the first electrical compartment 22 can perform temperature control management on the battery box in the battery compartment 21, so as to avoid safety hazards caused by excessively high temperature in the cabinet body 1, and the first heat exchange assembly can also perform temperature rising operation on the battery box in the battery compartment 21, so as to avoid that excessively low external environment temperature affects normal operation of the energy storage device 100, and the cabinet door 3 and the first heat exchange assembly are oppositely arranged in the first direction Y; that is, in this embodiment, the operator can open the cabinet door 3 to perform maintenance on parts inside the cavity 2, and the first electrical compartment 22 is opposite to the cabinet door 3, that is, the first heat exchange assembly located in the first electrical compartment 22 is not blocked by other parts in the cabinet body 1, by arranging that the cabinet door 3 is opposite to the first electrical compartment 22, the operator can open the cabinet door 3 to directly perform maintenance on the first heat exchange assembly located in the first electrical compartment 22; compared with the liquid cooling unit for performing temperature control management on the battery which is installed in a compact cavity in the related art, in the embodiment of the application, when the operator performs maintenance on the first heat exchange assembly located in the first electrical compartment 22, the operator is not interfered by other parts in the cabinet body 1, and the operation space is relatively large, so that the operator can easily perform maintenance on the first heat exchange assembly in the cabinet body 1.

[0067] The above detailed description of the embodiments of the present application is provided, and the principles and implementation modes of the present application are described by applying specific examples; the above embodiment description is only used to help understand the method of the present application and its core idea; meanwhile, for those skilled in the art, according to the idea of the present application, the specific implementation modes and application ranges will be changed, and the above description should not be understood as a limitation of the present application.

Claims

1. An energy storage device, characterized in that, include: The cabinet includes a cavity, which includes a battery compartment and a first electrical compartment that are interconnected in a first direction; A first heat exchange component and at least one battery box, wherein the first heat exchange component is located in the first electrical compartment and the battery box is located inside the battery compartment; Cabinet doors, which are movably installed on the cabinet body; The cabinet door and the first heat exchange component are arranged opposite each other in the first direction; The cabinet also includes a second electrical compartment, which is located on one side of the cavity in a second direction, where the first direction intersects the second direction; The energy storage device also includes an energy storage converter, which is located inside the second electrical compartment; The cabinet also has a support end in the second direction; The second electrical compartment is located between the cavity and the support end; The cabinet is provided with a pressure relief port, which is located at the end of the cabinet away from the support end and is connected to the battery compartment.

2. The energy storage device according to claim 1, characterized in that, The second electrical compartment includes a first sub-cavity and a second sub-cavity, which are arranged in a third direction, and the third direction is perpendicular to the first direction and the second direction, respectively. The energy storage device further includes a second heat exchange component, the energy storage converter is located in the first sub-cavity, and the second heat exchange component is located in the second sub-cavity.

3. The energy storage device according to claim 2, characterized in that, The cabinet is provided with at least one first air inlet and at least one first air outlet, both of which are connected to the second sub-cavity.

4. The energy storage device according to any one of claims 1 to 3, characterized in that, The cabinet also includes a partition located inside the battery compartment to divide the battery compartment into mounting cavities arranged in a third direction. The mounting cavities extend along a second direction, and both mounting cavities are connected to the first electrical compartment. The battery box is located inside the mounting cavity. Wherein, the first direction intersects with the second direction, and the third direction is perpendicular to both the first direction and the second direction.

5. The energy storage device according to any one of claims 1 to 3, characterized in that, The cabinet door is provided with at least one second air inlet and at least one second air outlet, both of which are connected to the first electrical compartment.

6. The energy storage device according to any one of claims 1 to 3, characterized in that, It also includes at least one support rib, which is disposed in the cavity and connected to the inner wall of the cavity.

7. The energy storage device according to any one of claims 1 to 3, characterized in that, The energy storage device further includes at least one support portion disposed on the inner wall of the battery compartment to support the battery box; and / or The energy storage device further includes at least one guide section disposed on the inner wall of the battery compartment to guide the battery box to be installed into the battery compartment.

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