Supporting device and energy storage device

Abstract

The utility model provides a supporting device and an energy storage device, the supporting device is used for the energy storage device, the energy storage device comprises a battery pack, the supporting device is used for supporting and installing the battery pack, the supporting device comprises a frame body, the frame body comprises at least one connecting piece, and a fire-fighting medium flow channel is arranged in the at least one connecting piece; the fire-fighting medium inlet is formed in the frame body and communicates with the fire-fighting medium flow channel; and the at least one fire-fighting medium outlet is formed in the frame body and communicated with the fire-fighting medium flow channel. According to the structure, transmission of the fire-fighting medium is achieved through the supporting device, and fire-fighting pipelines do not need to be additionally arranged outside, so that the structural complexity and cost of the energy storage device can be greatly reduced, the fire-fighting effect is improved, and the problem that the fire-fighting pipelines are arranged in disorder is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of energy storage, in particular to a supporting device and an energy storage device. BACKGROUND

[0002] With the continuous development of the new energy industry, the application prospect of lithium battery energy storage system is becoming more and more broad. The safety design of lithium battery energy storage is more and more valued by the industry. However, in the related scheme, the fire-fighting pipeline structure of the battery energy storage device is complex and the cost is high.

[0003] Therefore, how to simplify the fire-fighting pipeline of the battery energy storage device and reduce the cost of the battery energy storage device has become a problem to be solved at present. CONTENT OF THE INVENTION

[0004] The present application aims to at least solve the problems of complex fire-fighting pipeline structure and high cost of the battery energy storage device in the prior art or related art.

[0005] To this end, a first aspect of the present application provides a supporting device.

[0006] A second aspect of the present application provides an energy storage device.

[0007] The first aspect of the present application provides a supporting device for an energy storage device, the energy storage device comprising a battery pack, the supporting device being used for supporting and installing the battery pack, and the supporting device comprising: a frame body, the frame body comprising at least one connecting piece, an inside of the at least one connecting piece being provided with a fire-fighting medium flow channel; a fire-fighting medium inlet being provided on the frame body and being in communication with the fire-fighting medium flow channel; and at least one fire-fighting medium outlet being provided on the frame body and being in communication with the fire-fighting medium flow channel.

[0008] The supporting device provided by the present application is specifically used for the energy storage device to support the battery pack in the energy storage device. The supporting device comprises a frame body which is composed of different connecting pieces. The inside of each connecting piece is provided with a fire-fighting medium flow channel which is in communication with each other. Meanwhile, the frame body is further provided with a fire-fighting medium inlet for inputting fire-fighting medium into the inside of the connecting piece and a fire-fighting medium outlet for outputting the fire-fighting medium in the inside of the connecting piece. When the energy storage device catches fire or the like, the fire-fighting medium can be transported from the fire-fighting medium inlet to the inside of the connecting piece so that the fire-fighting medium can flow to each area along the fire-fighting medium flow channel and then be discharged from the fire-fighting medium outlet to achieve fire extinguishing and cooling. This structure realizes the transmission of the fire-fighting medium through the supporting device, without the need of additionally arranging fire-fighting pipelines outside, so as to greatly reduce the structural complexity and cost of the energy storage device, improve the fire-fighting effect, and solve the problem of disorderly arrangement of fire-fighting pipelines in the energy storage device in the prior art.

[0009] In any of the above embodiments, optionally, the interior of the connecting piece is hollow, and the interior of at least one connecting piece forms a fire-fighting medium flow channel.

[0010] In this embodiment, the interior of the connecting piece can be configured as a hollow structure, so that a fire-fighting medium flow channel can be formed through the hollow structure, i.e., the fire-fighting medium can be directly transported through the hollow structure in the interior of the connecting piece. This kind of arrangement can reduce the weight of the connecting piece and reduce the amount of material used for the connecting piece, thereby reducing the cost of the product. Of course, in other embodiments, the connecting piece can also be configured as a solid structure, and a fire-fighting pipe can be pre-buried in the interior of the connecting piece to transport the fire-fighting medium.

[0011] In any of the above embodiments, optionally, the frame body comprises a vertical connecting piece, at least part of a fire-fighting medium flow channel is arranged in the vertical connecting piece, and the fire-fighting medium inlet and at least part of the fire-fighting medium outlet are arranged on the vertical connecting piece.

[0012] In this embodiment, the frame body comprises a vertical connecting piece, which can be a vertical connecting plate or a vertically arranged support column, etc. At least part of the fire-fighting medium flow channel is arranged in the vertical connecting piece, and the fire-fighting medium inlet and the fire-fighting medium outlet are arranged on the vertical connecting piece. In this way, the vertical connecting piece can form a vertically arranged fire-fighting medium flow channel, so that the fire-fighting medium can be transported in the height direction, thereby enabling the fire-fighting medium to be transported to different heights, thereby facilitating fire extinguishing at different heights.

[0013] In any of the above embodiments, optionally, the frame body can further comprise a horizontal connecting piece, and the fire-fighting medium inlet and the fire-fighting medium outlet can also be arranged on the horizontal connecting piece. Of course, when the fire-fighting medium inlet is multiple, the multiple fire-fighting medium inlets can be partially arranged on the horizontal connecting piece or partially arranged on the vertical connecting piece. When the fire-fighting medium outlet is multiple, the multiple fire-fighting medium outlets can be partially arranged on the horizontal connecting piece or partially arranged on the vertical connecting piece. In any of the above embodiments, optionally, the number of fire-fighting medium outlets is multiple, and at least part of the multiple fire-fighting medium outlets are arranged in sequence and spaced apart along the height direction of the support device.

[0014] In this embodiment, the number and position of the fire-fighting medium outlets can be arranged as needed, but in order to improve the fire-fighting effect, multiple fire-fighting medium outlets can be arranged along the height direction of the support device.

[0015] In any of the above embodiments, optionally, the support device further comprises at least one medium output pipe mounted on the frame body and connected with the at least one fire-fighting medium outlet.

[0016] In this embodiment, in order to more accurately deliver the fire-fighting medium to a specific location, a medium output pipe can be installed on the frame body and connected with the fire-fighting medium outlet, so that the fire-fighting medium output by the fire-fighting medium outlet can be delivered to each specific area along the medium output pipe to achieve fire protection for some specific areas.

[0017] In any of the above embodiments, optionally, the support device further comprises: at least one medium spray head installed at one end of the medium output pipe away from the fire-fighting medium outlet.

[0018] In this embodiment, the medium spray head can be installed at the outlet of the medium output pipe, and the fire-fighting medium can be dispersed more widely when output through the medium spray head, thereby improving the fire extinguishing and cooling effect.

[0019] In any of the above embodiments, optionally, the support device further comprises: a valve installed on the medium output pipe or the fire-fighting medium outlet for opening or closing the fire-fighting medium outlet.

[0020] In this embodiment, the valve can be installed on the medium output pipe or the fire-fighting medium outlet, so that the on-off of the fire-fighting medium outlet can be controlled through the valve. When fire extinguishing and cooling is needed, it can be determined according to actual needs which valves to open and which valves to close, so that the delivery position of the fire-fighting medium is more flexible.

[0021] In any of the above embodiments, optionally, the frame body is provided with a plurality of battery positions for accommodating battery packs; at least one battery position is provided with at least one fire-fighting medium outlet.

[0022] In this embodiment, the frame body is provided with different battery positions, and each battery position can accommodate one or more battery packs. Some or all of the battery positions are provided with fire-fighting medium outlets, so that the safety level of the corresponding battery position can be improved and the safety hazard of the battery position can be reduced. The battery pack is a part with high safety hazard, and by providing fire-fighting medium outlets for each battery position, the fire-fighting level of the entire device can be improved.

[0023] Each battery position is provided with at least one fire-fighting medium outlet, so that the fire-fighting level of the entire device can be improved.

[0024] In any of the above embodiments, optionally, the frame body comprises a first accommodating cavity and a second accommodating cavity spaced apart in the height direction, the first accommodating cavity is provided with a plurality of battery positions, and the second accommodating cavity is used to accommodate electric control components; the number of fire-fighting medium outlets is multiple, and a part of the multiple fire-fighting medium outlets are in communication with the first accommodating cavity, and a part of the multiple fire-fighting medium outlets are in communication with the second accommodating cavity.

[0025] In the embodiment, the rack body is divided into two spaces in the height direction, the upper space can be used to place high-voltage boxes, liquid cooling machines, energy storage converters and the like, and the lower space is mainly used to place battery packs, distribution boxes, fire control boxes and the like. At the same time, fire-fighting medium outlets are arranged in the upper space and the lower space, so that the fire-fighting medium can be transported to the lower space to extinguish fire and cool the battery pack, the distribution box, the fire control box and the like, and can also be transported to the upper space to extinguish fire and cool the high-voltage box, the liquid cooling machine, the energy storage converter and the like.

[0026] The technical solution of the second aspect of the application provides an energy storage device, comprising: a battery pack: the support device provided in any of the technical solutions of the first aspect, the battery pack being installed on the support device.

[0027] The energy storage device provided by the technical solution of the application has all the beneficial effects of the support device provided in any of the technical solutions of the first aspect, because it comprises the support device provided in any of the technical solutions of the first aspect. Here, the battery pack is the main energy storage element.

[0028] In any of the above embodiments, optionally, the energy storage device further comprises an internal element, the internal element comprising the battery pack, and the support device further comprises: at least one medium output pipe installed on the rack body and connected with the at least one fire-fighting medium outlet, an end of the medium output pipe away from the fire-fighting medium outlet being located in the internal element, and / or the end of the medium output pipe away from the fire-fighting medium outlet corresponding to an outer surface of the internal element being provided.

[0029] In the embodiment, in order to more accurately transport the fire-fighting medium to a specific position, a medium output pipe can be installed on the rack body and connected with the fire-fighting medium outlet, so that the fire-fighting medium output by the fire-fighting medium outlet can be transported along the medium output pipe to each specific area, achieving fire protection of certain specific areas. The medium output pipe can be directly provided corresponding to the surface of the internal element, or can be partially provided inside the internal element, so as to more quickly extinguish fire and cool.

[0030] In any of the above embodiments, optionally, the energy storage device further comprises a high-voltage box, a liquid cooling machine, an energy storage converter, a distribution box, a fire control box and the like.

[0031] Additional aspects and advantages of the application will become apparent in the light of the following description and by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0032] The above and / or additional aspects and advantages of the application will become apparent and be readily understood by practice of the application, as embodied in the description and drawings below, in which:

[0033] Figure 1The structural schematic view of the support device of one embodiment of the utility model is shown.

[0034] Figure 2 The structural schematic view of the energy storage device of one embodiment of the utility model is shown.

[0035] Figure 3 The structural schematic view of the energy storage device of one embodiment of the utility model is shown.

[0036] Figure 4 The structural schematic view of the connecting piece of the energy storage device of one embodiment of the utility model is shown.

[0037] Figure 5 The structural schematic view of the energy storage device of one embodiment of the utility model is shown.

[0038] Reference signs:

[0039] 100 support device, 1 frame body, 10 fire-fighting medium flow channel, 11 connecting piece, 112 vertical connecting piece, 2 fire-fighting medium inlet, 3 fire-fighting medium outlet, 4 medium output pipe, 5 medium spray head, 6 first containing cavity, 7 second containing cavity, 8 valve, 200 energy storage device, 210 battery pack, 220 internal element, 230 high-voltage box, 240 liquid cooling machine, 250 fire-fighting control box, 260 energy storage converter, 270 air inlet, 280 air duct partition, 290 liquid cooling pipeline. DETAILED DESCRIPTION

[0040] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the present application will be further described in detail below in combination with the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0041] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.

[0042] The support device 100 and the energy storage device 200 provided according to some embodiments of the present application will be described below with reference to Figures 1 to 5 .

[0043] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the first aspect of the present application provides a support device 100 for an energy storage device 200, the energy storage device 200 comprising a battery pack 210, and the support device 100 is used for supporting the installation of the battery pack 210. The support device 100 comprises a frame body 1, a fire-fighting medium inlet 2, and at least one fire-fighting medium outlet 3. The frame body 1 comprises at least one connecting piece 11, and the inside of the at least one connecting piece 11 is provided with a fire-fighting medium flow channel 10. The fire-fighting medium inlet 2 is arranged on the frame body 1 and is in communication with the fire-fighting medium flow channel 10. The at least one fire-fighting medium outlet 3 is arranged on the frame body 1 and is in communication with the fire-fighting medium flow channel 10.

[0044] According to the support device 100 provided by the present application, it is specifically used for the energy storage device 200 to support the battery pack 210 in the energy storage device 200. The support device 100 comprises a frame body 1 which is composed of different connecting pieces 11. The inside of the different connecting pieces 11 is provided with fire-fighting medium flow channels 10 which are in communication with each other. At the same time, the frame body 1 is also provided with a fire-fighting medium inlet 2 which inputs fire-fighting medium into the inside of the connecting piece 11, and a fire-fighting medium outlet 3 which outputs the fire-fighting medium in the inside of the connecting piece 11. When the energy storage device 200 is on fire or the like, the fire-fighting medium can be transported from the fire-fighting medium inlet 2 to the inside of the connecting piece 11, so that the fire-fighting medium can flow along the fire-fighting medium flow channel 10 to each area, and then be discharged from the fire-fighting medium outlet 3, so as to achieve fire extinguishing and cooling. Through the support device 100, the transmission of the fire-fighting medium is realized, and it is not necessary to additionally arrange fire-fighting pipelines outside, so as to greatly reduce the structural complexity and cost of the energy storage device 200, improve the fire-fighting effect, and solve the problem of disorderly arrangement of the fire-fighting pipelines of the energy storage device 200 in the prior art.

[0045] In the drawings, Figure 4 The arrow in the drawing indicates the flow path of the fire-fighting medium.

[0046] In any of the above embodiments, optionally, as shown in Figure 4 The inside of the connecting piece 11 is a hollow structure, and the inside of the at least one connecting piece 11 forms the fire-fighting medium flow channel 10.

[0047] In this embodiment, the inside of the connecting piece 11 can be arranged as a hollow structure, so as to form the fire-fighting medium flow channel 10 through the hollow structure, that is, the fire-fighting medium can be directly transported through the hollow structure in the inside of the connecting piece 11. Through this arrangement, the weight of the connecting piece 11 can be reduced, and the material consumption of the connecting piece 11 can be reduced, so as to reduce the cost of the product. Of course, in other embodiments, the connecting piece 11 can also be arranged as a solid structure, and a fire-fighting pipeline is pre-buried in the inside of the connecting piece 11 to transport the fire-fighting medium.

[0048] In any of the above embodiments, optionally, as shown in Figure 1 ,Figure 2 and Figure 3 As shown, the frame 1 includes a vertical connector 112, and at least a portion of the fire-fighting medium flow channel 10 is provided in the vertical connector 112. The fire-fighting medium inlet 2 and at least a portion of the fire-fighting medium outlet 3 are provided on the vertical connector 112.

[0049] In this embodiment, the frame 1 includes a vertical connector 112, which can be a vertical connecting plate or a vertically installed support column, etc. At least a portion of the fire-fighting medium channel is provided within the vertical connector 112, with both the fire-fighting medium inlet 2 and the fire-fighting medium outlet 3 located on the vertical connector 112. This vertical connector 112 forms a vertically arranged fire-fighting medium channel, enabling the fire-fighting medium to be transported along the height direction, thus allowing the fire-fighting medium to be delivered to different heights, facilitating fire extinguishing at different height locations.

[0050] Optionally, the frame 1 may also include horizontal connectors, and the fire-fighting medium outlet 3 and the fire-fighting medium outlet 3 may also be located on the horizontal connectors. Of course, when there are multiple fire-fighting medium inlets 2, the multiple fire-fighting medium inlets 2 may be partially located on the horizontal connectors or partially located on the vertical connectors 112. When there are multiple fire-fighting medium outlets 3, the multiple fire-fighting medium outlets 3 may be partially located on the horizontal connectors or partially located on the vertical connectors 112.

[0051] In any of the above embodiments, optionally, as Figure 2 , Figure 3 and Figure 4 As shown, there are multiple fire-fighting medium outlets 3, and some or all of the multiple fire-fighting medium outlets 3 are arranged sequentially at intervals along the height direction of the support device 100.

[0052] In this embodiment, the number and location of the fire-fighting medium outlets 3 can be set as needed. However, in order to improve the fire-fighting effect, multiple fire-fighting medium outlets 3 can be set along the height direction of the support device 100.

[0053] In any of the above embodiments, optionally, as Figure 2 , Figure 3 and Figure 4 As shown, the support device 100 also includes at least one medium output pipe 4, which is installed on the frame 1 and connected to at least one fire medium outlet 3.

[0054] In this embodiment, in order to deliver the fire-fighting medium more accurately to specific locations, a medium output pipe 4 can be installed on the frame 1 and connected to the fire-fighting medium outlet 3. In this way, the fire-fighting medium output from the fire-fighting medium outlet 3 can be delivered to various specific areas along the medium output pipe 4 to achieve fire protection for certain specific areas.

[0055] In any of the above embodiments, optionally, as shown in Figure 2 The support device 100 further comprises at least one medium spray head 5 installed at the end of the medium output pipe 4 away from the fire-fighting medium outlet 3.

[0056] In this embodiment, the medium spray head 5 can be installed at the outlet of the medium output pipe 4, and the fire-fighting medium can be dispersed more widely when being output through the medium spray head 5, so as to improve the fire extinguishing and cooling effect.

[0057] In any of the above embodiments, optionally, as shown in Figure 4 The support device 100 further comprises a valve 8 installed at the medium output pipe 4 or the fire-fighting medium outlet 3 for opening or closing the fire-fighting medium outlet 3.

[0058] In this embodiment, the valve 8 can be installed at the medium output pipe 4 or the fire-fighting medium outlet 3, so that the opening and closing of the fire-fighting medium outlet 3 can be controlled through the valve 8. When fire extinguishing and cooling is needed, the valves 8 to be opened and closed can be determined according to actual needs, so that the delivery position of the fire-fighting medium is more flexible.

[0059] In any of the above embodiments, optionally, as shown in Figure 2 and Figure 3 The rack 1 is provided with a plurality of battery positions for accommodating the battery pack 210, and each battery position is provided with at least one fire-fighting medium outlet 3.

[0060] In this embodiment, the rack 1 is provided with different battery positions, and each battery position can be installed with one or more battery packs 210. Each battery position is provided with a fire-fighting medium outlet 3, so as to improve the safety level of each battery position and reduce the safety hazards of the battery position. The battery pack 210 is a part with high safety hazards, and by providing a fire-fighting medium outlet 3 for each battery position, the fire-fighting level of the entire device can be improved.

[0061] In any of the above embodiments, optionally, as shown in Figure 2 The rack 1 comprises a first accommodating cavity 6 and a second accommodating cavity 7 spaced apart in the height direction, the first accommodating cavity 6 is provided with a plurality of battery positions, and the second accommodating cavity 7 is used to accommodate electric control components; the number of fire-fighting medium outlets 3 is multiple, and a part of the multiple fire-fighting medium outlets 3 are in communication with the first accommodating cavity 6 (i.e. battery compartment), and a part of the multiple fire-fighting medium outlets 3 are in communication with the second accommodating cavity 7 (generally an electric appliance compartment).

[0062] In this embodiment, the rack body 1 is divided into two spaces in the height direction, the upper space can be used to place high-voltage boxes 230, liquid cooling machines 240, energy storage converters 260 and other components, and the lower space is mainly used to place battery packs 210, distribution boxes, fire control boxes 250, etc. The fire control box 250 is a fire integrated control box. At the same time, fire extinguishing medium outlets 3 are arranged in the upper space and the lower space, so that the fire extinguishing medium can be transported to the lower space to extinguish the fire and cool the battery pack 210, the distribution box, the fire control box 250, etc., and can also be transported to the upper space to extinguish the fire and cool the high-voltage box 230, the liquid cooling machine 240, the energy storage converter 260, etc.

[0063] As shown in Figures 1 to 5 , the embodiment of the second aspect of the application proposes an energy storage device 200, comprising: a battery pack 210; the support device 100 provided by any one of the embodiments of the first aspect, and the battery pack 210 is installed on the support device 100.

[0064] The energy storage device 200 according to the embodiments of the application has all the beneficial effects of the support device 100 provided by any one of the embodiments of the first aspect, because it comprises the support device 100 provided by any one of the embodiments of the first aspect. Here, it is not repeated. The battery pack 210 is the main energy storage element.

[0065] In any of the above embodiments, optionally, as shown in Figures 1 to 5 , the energy storage device 200 further comprises an internal element 220, the internal element 220 comprises the battery pack 210, and the support device 100 further comprises: at least one medium output pipe 4 installed on the rack body 1 and connected with the at least one fire extinguishing medium outlet 3, one end of the medium output pipe 4 away from the fire extinguishing medium outlet 3 is located in the internal element 220, and / or the one end of the medium output pipe 4 away from the fire extinguishing medium outlet 3 is provided corresponding to the outer surface of the internal element 220.

[0066] In this embodiment, in order to more accurately transport the fire extinguishing medium to a specific position, the medium output pipe 4 can be installed on the rack body 1 and connected with the fire extinguishing medium outlet 3, so that the fire extinguishing medium output by the fire extinguishing medium outlet 3 can be transported to each specific area along the medium output pipe 4, realizing fire protection of some specific areas. The medium output pipe 4 can be directly provided corresponding to the surface of the internal element 220, or can be partially provided inside the internal element 220, so as to more quickly extinguish the fire and cool.

[0067] In any of the above embodiments, optionally, as shown in Figure 5 , the energy storage device 200 further comprises a high-voltage box 230, a liquid cooling machine 240, an energy storage converter 260, a distribution box, a fire control box 250, etc. In addition, as shown in Figure 5As shown, the energy storage device 200 further comprises an air inlet 270, an air duct partition 280, and a liquid cooling pipe 290. Air entering from the air inlet 270 can be used to air cool the upper space. The liquid cooling pipe 290 is connected to the liquid cooling machine 240, and is used to liquid cool the lower space.

[0068] Further, the bottommost part of the energy storage device 200 is provided with a base. The internal components can specifically be the high-voltage box 230, the liquid cooling machine 240, the energy storage converter 260, a power distribution box, a fire control box 250, and the like.

[0069] A specific energy storage device 200 is described below to solve the problems of complex fire control pipe structure and high cost of the energy storage device 200. The specific structure is as shown in Figures 1 to 5

[0070] The energy storage device 200 of the embodiment can greatly reduce the complexity and cost of the device and improve the fire control effect by borrowing the frame body structure to realize the transmission of the fire control medium and finally achieve the effect of fire control, fire extinguishing, and cooling of the energy storage device 200.

[0071] The energy storage device 200 of the embodiment comprises a bearing structure (specifically, the support device 100), a high-voltage box 230, a power distribution box, a fire control box 250, a battery module (also referred to as a battery pack 210), a liquid cooling machine 240, an energy storage converter 260, an exhaust and explosion relief device, and the like.

[0072] The energy storage device 200 is composed of a hollow profile frame, the hollow profiles are connected to each other to meet the requirements of transportation, bearing, and shock resistance, and an external fire control medium inlet is connected to the hollow profile frame through a connecting pipe. The fire control medium is transmitted to each region in the device through the inside of the profile. In regions where precise fire control is required, a fire control medium outlet can be designed to achieve the purpose of precise fire control. The fire control medium outlet can also be designed to be in communication with the inside of the corresponding system equipment components, so that the fire control medium can directly enter the inside of the components, significantly improving the fire control effect. An electromagnetic valve can also be arranged at the fire control outlet to precisely control the output of the fire control medium.

[0073] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0074] ​While the embodiments of the application have been shown and described, it is to be understood that the embodiments can be varied, modified, substituted and changed by those skilled in the art without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A support device, characterized in that, A support device for supporting a battery pack of an energy storage device, the support device comprising: a rack body comprising at least one connecting member, an inner portion of the at least one connecting member being provided with a fire-fighting medium flow channel; a fire-fighting medium inlet provided on the rack body and in communication with the fire-fighting medium flow channel; at least one fire-fighting medium outlet provided on the rack body and in communication with the fire-fighting medium flow channel.

2. The support device according to claim 1, wherein the inner portion of the connecting member is a hollow structure, and the inner portion of the at least one connecting member forms the fire-fighting medium flow channel.

3. The support device according to claim 1, wherein the rack body comprises a vertical connecting member, at least part of the fire-fighting medium flow channel is provided in the vertical connecting member, and the fire-fighting medium inlet and at least part of the fire-fighting medium outlets are provided on the vertical connecting member.

4. The support device according to claim 1, wherein the number of the fire-fighting medium outlets is plural, and at least part of the plural fire-fighting medium outlets are sequentially and spacedly arranged along a height direction of the support device.

5. The support apparatus of claim 4, wherein further comprising: at least one medium output pipe mounted on the rack body and connected with the at least one fire-fighting medium outlet.

6. The support apparatus of claim 5, wherein further comprising: at least one medium spray head mounted on an end of the medium output pipe away from the fire-fighting medium outlet; and / or a valve mounted on the medium output pipe or the fire-fighting medium outlet for opening or closing the fire-fighting medium outlet.

7. The support apparatus of claim 4, wherein the rack body is provided with a plurality of battery positions, and the plurality of battery positions are sequentially arranged along the height direction of the support device, the battery positions being used for accommodating the battery pack; at least one of the battery positions is provided with at least one of the fire-fighting medium outlets.

8. The support device of claim 7, wherein, the rack body comprises a first accommodating cavity and a second accommodating cavity spacedly arranged along the height direction, the first accommodating cavity is provided with a plurality of the battery positions, and the second accommodating cavity is used for accommodating an electric control component; the number of the fire-fighting medium outlets is plural, and part of the plural fire-fighting medium outlets are in communication with the first accommodating cavity, and part of the plural fire-fighting medium outlets are in communication with the second accommodating cavity.

9. An energy storage device, characterized by, comprising: a battery pack: the support device according to any one of claims 1 to 8, the battery pack being mounted on the support device.

10. The energy storage device of claim 9, wherein, the energy storage device further comprises an internal element, the internal element comprising the battery pack, and the support device further comprises: at least one medium output pipe mounted on the rack body and connected with the at least one fire-fighting medium outlet, an end of the medium output pipe away from the fire-fighting medium outlet being located in the internal element, and / or the end of the medium output pipe away from the fire-fighting medium outlet is provided corresponding to an outer surface of the internal element.

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