Air return device of energy storage cabinet body

Abstract

The utility model discloses an energy storage cabinet air return device which comprises a drainage assembly used for conducting drainage on heat, a flow guide assembly used for guiding the heat is arranged on the drainage assembly, and a confluence assembly used for conducting confluence on the heat is arranged on the side, away from the drainage assembly, of the flow guide assembly. Through cooperative use of the drainage assembly, the diversion assembly and the confluence assembly, when the energy storage cabinet operates, heat generated by the battery pack directly enters the drainage assembly after being exhausted by the induced draft fan, and the heat is timely taken away and exhausted out of the energy storage cabinet body through the diversion assembly and the confluence assembly; the consistency and uniformity of the temperature of each battery pack on the energy storage cabinet body frame are effectively controlled, so that the service life of the energy storage cabinet and the system safety are effectively ensured; the air-cooled energy storage cabinet is simple in overall structure, remarkable in heat source discharging effect and suitable for air-cooled energy storage cabinets.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of energy storage cabinet, specifically relates to an energy storage cabinet body air return device. BACKGROUND

[0002] The energy storage cabinet is the basic unit of the energy storage equipment, and a plurality of battery packs 2 are placed on the energy storage cabinet body frame 1 during the operation of the energy storage cabinet. The batteries in the battery packs 2 generate a large amount of heat in the battery packs 2 according to the charge-discharge rate requirement. A pair of air guide fans are installed on the upper and lower positions of the panel in the structural design of the battery pack 2, and the temperature in the battery pack 2 is transferred through the air guide fans.

[0003] However, the heat generated in the battery pack 2 is sucked out through the fans installed on the panel and directly discharged in the energy storage cabinet. The door plate 3 is installed on the energy storage cabinet, so that the temperature of the battery pack 2 in the energy storage cabinet is relatively high, thereby affecting the service life and system safety of the energy storage cabinet. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an energy storage cabinet body air return device to solve the technical defects of the existing energy storage cabinet that the heat dissipation affects the service life and system safety of the energy storage cabinet.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] An energy storage cabinet body air return device comprises a flow guide assembly for guiding heat flow, a flow guide assembly for guiding heat flow is arranged on the flow guide assembly, and a flow convergence assembly for converging heat flow is arranged on the side of the flow guide assembly away from the flow guide assembly;

[0007] The flow guide assembly is arranged on one side of the door plate, the flow guide assembly is in contact with the battery pack in the energy storage cabinet body frame, the flow guide assembly is arranged on the top of the energy storage cabinet body frame, and the flow convergence assembly is arranged on the outer side of the energy storage cabinet body.

[0008] The flow guide assembly comprises a support plate arranged on the side of the door plate facing the energy storage cabinet body frame, a plurality of air return shells are fixedly connected to one side of the support plate, each air return shell is arranged in one-to-one correspondence with each battery pack, a plurality of guide nozzles are arranged on the side of the air return shell facing the battery pack, each group of guide nozzles is arranged in one-to-one correspondence with each battery pack, each group of guide nozzles is arranged in an upper and lower manner, each guide nozzle is arranged in one-to-one correspondence with the fan exhaust port of the battery pack, and the top end of each air return shell is communicated with a first connecting pipe connected with the flow convergence assembly.

[0009] As a preferred scheme of the utility model, a sealing element is bonded to the surface of the air return shell and located at the guide nozzle, and the sealing element is connected to the fan exhaust port of the battery pack.

[0010] As the preferred scheme of the utility model, the flow guide assembly includes a support, the support is embedded with the same number of air ducts as the first connecting pipe, the air ducts are fixedly connected to the top of the energy storage cabinet frame, the end of the air ducts away from the support is communicated with the second connecting pipe, the second connecting pipe is arranged in one-to-one correspondence with the first connecting pipe, and the port of the second connecting pipe is sealingly connected to the port of the first connecting pipe.

[0011] As the further scheme of the utility model, the current collection assembly includes a current collection pipe fixedly connected to the support, the center of the top of the current collection pipe is communicated with an air outlet seat, and the current collection pipe is provided with a through hole for the air duct to pass through.

[0012] As the further scheme of the utility model, the heat flow circulation channel is formed between the guide nozzle, the air return shell, the first connecting pipe, the second connecting pipe, the air duct, the current collection pipe and the air outlet seat.

[0013] As the further scheme of the utility model, the air outlet fan is installed on the air outlet seat, and the air inlet end of the air outlet fan is communicated with the heat flow circulation channel.

[0014] As the further scheme of the utility model, the top of the current collection pipe is fixedly connected with a baffle of an M-shaped structure, and the air outlet seat and the air outlet fan are located in the inner cavity of the baffle.

[0015] Compared with the prior art, the energy storage cabinet air return device provided by the utility model has the following beneficial effects: the energy storage cabinet air return device can, through the cooperation of the drainage assembly, the flow guide assembly and the current collection assembly, directly take the heat generated by the battery pack into the drainage assembly after the heat is discharged by the air guide fan when the energy storage cabinet is running, and timely take away and discharge the heat from the energy storage cabinet body through the flow guide assembly and the current collection assembly, thereby effectively controlling the consistency and uniformity of the temperature of each battery pack on the energy storage cabinet frame, ensuring the service life and system safety of the energy storage cabinet; the utility model has a simple overall structure, the heat source discharge effect is remarkable, and is suitable for air-cooled energy storage cabinet process technology. 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 embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only the embodiment cases of the utility model, and other drawings can also be obtained by those skilled in the art without creative labor on the premise of the drawings.

[0017] Figure 1 It is the structure assembly schematic view of the embodiment of the utility model;

[0018] Figure 2 It is the door plate assembly structure schematic of the embodiment of the utility model Figure 1 ;

[0019] Figure 3For the door plate assembly structure schematic of the embodiment of the utility model Figure 2 ;

[0020] Figure 4 For the structure schematic of the flow guide assembly in the embodiment of the utility model

[0021] Figure 5 For the partial structure schematic of the flow collection assembly in the embodiment of the utility model

[0022] Figure 6 For the battery pack structure schematic in the prior art.

[0023] Reference signs:

[0024] 1, energy storage cabinet frame;2, battery pack;3, door plate;

[0025] 100, drainage assembly;110, support plate;120, return air shell;130, guide nozzle;140, first connecting pipe;150, sealing element;

[0026] 200, flow guide assembly;210, support;220, air guide pipe;230, second connecting pipe;

[0027] 300, flow collection assembly;310, flow collection pipe;311, through hole;320, exhaust seat;330, exhaust fan;340, baffle. Specific embodiments

[0028] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model more clear and obvious, the following will be further described in detail with the help of the drawings and the embodiment of the utility model. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0029] In the description of the embodiment of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the embodiment of the utility model and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiment of the utility model.

[0030] In the description of the embodiments of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "mount", "connect", "connection" should be understood in broad sense, for example, it can be fixed connection, integral connection, also can be detachable connection, it can be the intercommunication of two elements, it can be direct connection, also can be indirect connection through intermediate medium, for the ordinary skill in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to specific conditions.

[0031] Referring to the drawings Figures 1-6 The utility model discloses an energy storage cabinet back air device, including the drainage assembly 100 for the heat is drained, it is equipped with the flow guide assembly 200 for the heat is guided on it, the flow guide assembly 200 is equipped with the confluence assembly 300 for the heat is confluenced on the side away from the drainage assembly 100.

[0032] The drainage assembly 100 is located at one side of the door plate 3, the drainage assembly 100 is in contact with the battery pack 2 in the energy storage cabinet frame 1, the flow guide assembly 200 is located at the top of the energy storage cabinet frame 1, and the confluence assembly 300 is located at the outside of the energy storage cabinet.

[0033] Referring to the drawings Figure 2 The drainage assembly 100 includes a support plate 110 mounted on one side of the door plate 3 facing the energy storage cabinet frame 1, one side of the support plate 110 is fixedly connected with a plurality of rows of back air shells 120 arranged at equal intervals, each row of back air shells 120 is arranged in one-to-one correspondence with each row of battery packs 2, and one side of the back air shell 120 facing the battery pack 2 is provided with a plurality of groups of guide nozzles 130 arranged at equal intervals, each group of guide nozzles 130 is arranged in one-to-one correspondence with each battery pack 2, each group of guide nozzles 130 is arranged in an upper and lower manner and has two, each guide nozzle 130 is arranged in one-to-one correspondence with the fan exhaust port of the battery pack 2, and the top end of each back air shell 120 is communicated with a first connecting pipe 140 connected with the confluence assembly 300.

[0034] When the above technical solution is used, the heat generated by the battery pack 2 is discharged into the back air shell 120 through the guide nozzles 130 by the air inlet fan, the exhaust fan 330 is started, the exhaust fan 330 increases the air flow rate in the heat flow passage, the heat in the back air shell 120 sequentially passes through the first connecting pipe 140, the second connecting pipe 230, the air guide pipe 220, the confluence pipe 310 and the exhaust seat 320, and is finally discharged through the exhaust end of the exhaust fan 330, so that the heat of the battery pack 2 can be discharged and released in time.

[0035] In order to avoid the air intake component 100 from bumping against the exhaust port of the battery pack 2 when the door panel 3 is opened and closed, and to ensure the sealing between the guide nozzle 130 and the exhaust port of the battery pack 2, a sealing element 150 is bonded to the surface of the return air shell 120 at the guide nozzle 130. The sealing element 150 is connected to the exhaust port of the battery pack 2 and is made of foam.

[0036] See Figure 3 , 4 As shown, in order to achieve heat guiding operation, the flow guiding component 200 includes a bracket 210. The bracket 210 is fitted with the same number of air guide pipes 220 as the first connecting pipe 140. The air guide pipes 220 are fixedly connected to the top of the energy storage cabinet frame 1. The air guide pipes 220 and the return air shell 120 are arranged perpendicular to each other. The end of the air guide pipe 220 away from the bracket 210 is connected to a second connecting pipe 230. The second connecting pipe 230 and the first connecting pipe 140 are arranged in a one-to-one correspondence, and the port of the second connecting pipe 230 is sealed and connected to the port of the first connecting pipe 140.

[0037] See Figure 3 , 5 As shown, in order to carry the heat out of the energy storage cabinet from the diversion component 100 and the flow guiding component 200, the flow combining component 300 includes a flow combining pipe 310 fixedly connected to the bracket 210. The center of the top of the flow combining pipe 310 is connected to an exhaust seat 320. A through hole 311 is provided on the flow combining pipe 310 for the air guiding pipe 220 to pass through.

[0038] Specifically, in this embodiment of the utility model, a heat flow channel is formed between the guide nozzle 130, the return air shell 120, the first connecting pipe 140, the second connecting pipe 230, the air duct 220, the manifold 310, and the exhaust seat 320.

[0039] In order to improve the temperature transfer efficiency of battery pack 2, an exhaust fan 330 is installed on the exhaust seat 320. The air inlet of the exhaust fan 330 is connected to the heat flow channel. The exhaust fan 330 can increase the air flow rate in the heat flow channel.

[0040] In order to both shield and protect the exhaust fan 330 and ensure its safe operation, and to ensure air circulation, in this embodiment, a U-shaped baffle 340 is fixedly connected to the top of the manifold 310, and the exhaust seat 320 and the exhaust fan 330 are both located in the inner cavity of the baffle 340.

[0041] In conclusion, the energy storage cabinet body air return device, through the cooperation of the flow guide assembly 100, the flow guide assembly 200 and the flow guide assembly 300, when the energy storage cabinet is running, the heat generated by the battery pack 2 is directly introduced into the flow guide assembly 100 after being discharged by the air guide fan, and the heat is timely taken away and discharged from the energy storage cabinet body through the flow guide assembly 200 and the flow guide assembly 300, thereby effectively controlling the consistency and uniformity of the temperature of each battery pack 2 on the energy storage cabinet body frame 1, thereby effectively guaranteeing the service life and system safety of the energy storage cabinet; the overall structure is simple, the heat source discharge effect is remarkable, and is suitable for air-cooled energy storage cabinet process technology.

[0042] The basic principles of the present application are shown and described above, and the above is only the preferred embodiment of the present application, and does not limit the present application, and the above embodiment and the description in the specification only illustrate the principles of the present application, and any modification, equivalent replacement and improvement within the spirit and scope of the present application should be included in the protection scope of the present application.

Claims

1. An energy storage cabinet back air return device, characterized in that: The application relates to a heat flow guiding device, which comprises a heat flow guiding component (100) provided with a heat flow collecting component (200) on the side away from the heat flow guiding component (100). The heat flow guiding component (100) is arranged on one side of a door plate (3) and is in contact with a battery pack (2) in an energy storage cabinet frame (1), the heat flow collecting component (200) is arranged on the top of the energy storage cabinet frame (1), and the heat flow collecting component (300) is arranged outside the energy storage cabinet. The heat flow guiding component (100) comprises a supporting plate (110) arranged on the side of the door plate (3) facing the energy storage cabinet frame (1), a plurality of rows of air return shells (120) are fixedly connected to one side of the supporting plate (110), each row of the air return shells (120) is arranged in one-to-one correspondence with each row of the battery packs (2), a plurality of groups of guide nozzles (130) are formed in the side of each air return shell (120) facing the battery pack (2), each group of the guide nozzles (130) is arranged in one-to-one correspondence with each battery pack (2), each group of the guide nozzles (130) is arranged in an upper and lower mode, each guide nozzle (130) is arranged in one-to-one correspondence with a fan exhaust port of the battery pack (2), and the top end of each air return shell (120) is communicated with a first connecting pipe (140) which is connected to the heat flow collecting component (300).

2. The energy storage tank body air return device of claim 1, wherein: A sealing element (150) is arranged on the surface of the air return shell (120) and located at the guide nozzle (130), and the sealing element (150) is connected to the fan exhaust port of the battery pack (2).

3. The energy storage tank body air return device of claim 1, wherein: The heat flow guiding component (200) comprises a support (210), a plurality of air guide pipes (220) which are the same in number as the first connecting pipes (140) are embedded on the support (210), the air guide pipes (220) are fixedly connected to the top of the energy storage cabinet frame (1), one end of the air guide pipe (220) away from the support (210) is communicated with a second connecting pipe (230), the second connecting pipe (230) is arranged in one-to-one correspondence with the first connecting pipe (140), and the port of the second connecting pipe (230) is sealingly connected to the port of the first connecting pipe (140).

4. The energy storage tank body air return device of claim 3, wherein: The heat flow collecting component (300) comprises a heat flow collecting pipe (310) fixedly connected to the support (210), a fan exhaust seat (320) is arranged at the center of the top of the heat flow collecting pipe (310), and a penetrating hole (311) is formed in the heat flow collecting pipe (310) for the air guide pipe (220) to pass through.

5. The energy storage tank body air return device of claim 4, wherein: The heat flow guiding nozzles (130), the air return shells (120), the first connecting pipes (140), the second connecting pipes (230), the air guide pipes (220), the heat flow collecting pipes (310) and the fan exhaust seats (320) form a heat flow circulation channel.

6. The energy storage tank body air return device of claim 5, wherein: A fan (330) is arranged on the fan exhaust seat (320), and the air inlet end of the fan (330) is communicated with the heat flow circulation channel.

7. The energy storage tank body air return device of claim 6, wherein: The top of the heat flow collecting pipe (310) is fixedly connected with a baffle (340) in the shape of an M, and the fan exhaust seat (320) and the fan (330) are arranged in the inner cavity of the baffle (340).

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