Energy storage, conversion and boosting all-in-one machine

Abstract

The utility model relates to the technical field of energy storage systems, and discloses an energy storage, conversion and boosting all-in-one machine. The energy storage, conversion and boosting all-in-one machine comprises an all-in-one machine body, a box body, a heat dissipation air duct and a heat dissipation fan, the box body comprises a PCS cabin, a transformer cabin, a low-voltage power distribution cabin and a high-voltage cabin, the heat dissipation air duct is arranged in the box body, and the PCS cabin and the transformer cabin are provided with a first air inlet and a second air inlet respectively. A PCS, a transformer and an AC / DC power distribution device of the all-in-one machine body are arranged in a box body, and a cooling fan is arranged outside the box body and connected with an air outlet of a hyperbaric cabin. The energy storage, conversion and boosting all-in-one machine is arranged in the closed box body, so that the protection capability and the environmental adaptability of an energy storage system are improved; air enters the PCS cabin and the transformer cabin, then cold air passes through the low-voltage power distribution cabin and the high-voltage cabin and is discharged from the high-voltage cabin exhaust outlet in a unified mode, the box body is arranged to form a heat dissipation air channel, the structure is compact, a heat dissipation fan is arranged externally, and the maintenance convenience of the heat dissipation fan is improved.

Description

TECHNICAL FIELD

[0001] The utility model embodiment relates to energy storage system technical field, concretely relates to a kind of energy storage converter step-up integrated machine. BACKGROUND

[0002] In electrochemical energy storage system, energy storage converter step-up integrated machine is an important component of energy storage system, realizes the function of AC-DC conversion and step-up of electric energy by energy storage converter step-up integrated machine, and is widely used.

[0003] Energy storage converter step-up integrated machine includes: PCS (Power Conversion System, energy storage converter), transformer, low-voltage distribution cabinet, high-voltage component and related connecting accessories, and PCS and transformer are respectively arranged in PCS chamber and transformer chamber, and high and low voltage distribution components are separately placed outside the box body, and then connected with PCS and transformer through related connecting accessories.

[0004] The present inventor finds that the current energy storage converter step-up integrated machine needs to use a large number of through-box terminals when cables enter and exit the distribution box and cabinet, which increases the complexity of installation and reduces the environmental adaptability of the system; and the exposed components are easily corroded and contaminated by the environment, affecting the safe operation and service life of the product. UTILITY MODEL CONTENT

[0005] The utility model aims to provide an energy storage converter step-up integrated machine to solve the problems in the above background.

[0006] The utility model embodiment provides an energy storage converter step-up integrated machine, which comprises an integrated machine body, a box, a heat dissipation air duct and a heat dissipation fan.

[0007] The box is in the form of a closed square and comprises a PCS cabin, a transformer cabin, a low-voltage distribution cabin and a high-voltage cabin.

[0008] The PCS cabin is located on one side of the transformer cabin and is separated from the transformer cabin by a first partition.

[0009] The low-voltage distribution cabin and the high-voltage cabin are arranged side by side on the other side of the transformer cabin and are arranged opposite to the PCS cabin, the low-voltage distribution cabin is separated from the transformer cabin by a second partition, the high-voltage cabin is separated from the transformer cabin by a third partition, and the low-voltage distribution cabin is separated from the high-voltage cabin by a fourth partition.

[0010] The PCS, transformer, low-voltage distribution cabinet and high-voltage switchgear of the integrated machine body are arranged in the PCS cabin, transformer cabin, low-voltage distribution cabin and high-voltage cabin respectively.

[0011] The PCS cabin and the transformer cabin are respectively provided with first air inlets and second air inlets for cold air to enter;

[0012] The first partition plate, the second partition plate and the fourth partition plate are all provided with first heat dissipation air inlets, so that the PCS cabin, the transformer cabin, the low-voltage power distribution cabin and the high-voltage cabin are sequentially communicated to form the heat dissipation air duct;

[0013] The high-voltage cabin is provided with an air outlet;

[0014] The heat dissipation fan is arranged outside the box body, and an air suction port of the heat dissipation fan is connected with the air outlet for sucking out hot air.

[0015] According to the above scheme, the energy storage, current conversion and voltage boosting integrated machine has the following advantages: the PCS, the transformer, the low-voltage power distribution cabinet and the high-voltage switch equipment of the integrated machine body are arranged in the PCS cabin, the transformer cabin, the low-voltage power distribution cabin and the high-voltage cabin of the closed box body, and are not affected by the external environment, so that the protection capability and the environmental adaptability of the energy storage system are improved; the integrated machine structure is compact and reasonable in layout, the size of the integrated machine (the box body) can be effectively controlled, and the product transportation is facilitated to reduce the transportation cost; the PCS cabin, the transformer cabin, the low-voltage power distribution cabin and the high-voltage cabin of the box body are communicated through the first heat dissipation air inlets to form the heat dissipation air duct, so that the PCS cabin, the transformer cabin, the low-voltage power distribution cabin and the high-voltage cabin are both independent and communicated with each other; the cold air enters the PCS cabin and the transformer cabin from the air inlets, the cold air in the PCS cabin enters the transformer cabin under the action of the heat dissipation fan, then the cold air in the transformer cabin sequentially passes through the low-voltage power distribution cabin and the high-voltage cabin, and finally the hot air is uniformly discharged from the air outlet of the high-voltage cabin; the box body itself constitutes the heat dissipation air duct, and the heat dissipation fan is arranged outside, so that the convenience of maintenance of the heat dissipation fan is improved.

[0016] In a feasible scheme, the energy storage, current conversion and voltage boosting integrated machine further comprises a liquid cooling unit;

[0017] The PCS of the integrated machine body is provided with a liquid flow channel;

[0018] The liquid cooling unit is connected with the liquid flow channel of the PCS through a circulating pipeline, and is used for cooling the PCS by liquid.

[0019] In a possible solution, the liquid cooling unit is arranged on the top plate of the box body.

[0020] In a possible solution, the third partition plate is provided with a second heat dissipation air outlet, so that the high-voltage cabin is in communication with the transformer cabin.

[0021] In a possible solution, the first air inlet and the second air inlet are both provided with louvers.

[0022] In a possible solution, the first air inlet and the second air inlet are both provided with filter screens or filter cotton.

[0023] In a possible solution, the first air inlets are arranged on the three side walls and the bottom wall of the PCS cabin.

[0024] In a possible solution, the second air inlets are arranged on the front and rear side walls and the bottom wall of the transformer cabin.

[0025] In a possible solution, the high-voltage switchgear is a high-voltage power distribution cabinet or a high-voltage switch.

[0026] In a possible solution, the top of the box body is provided with lifting lugs.

[0027] Compared with the prior art, the utility model has the following beneficial effects:

[0028] 1. The PCS, transformer and AC / DC power distribution components of the all-in-one machine are arranged in the closed box body, so that the protection capability and environmental adaptability of the system can be improved.

[0029] 2. The PCS cabin, transformer cabin, low-voltage power distribution cabin and high-voltage cabin of the box body are independent of each other and connected with each other, so that the structure of the all-in-one machine is compact and the layout is reasonable, the width size of the all-in-one machine (box body) can be effectively controlled, and the product transportation and transportation cost can be reduced.

[0030] 3. The PCS cabin and the transformer cabin of the box body are air inlets, then the cold air passes through the PCS cabin, the transformer cabin, the low-voltage power distribution cabin and the high-voltage cabin along the heat dissipation channel in turn, and then the hot air is uniformly discharged from the high-voltage cabin, so that the heat dissipation and cooling of the all-in-one machine body are realized. The structure and layout of the box body constitute a heat dissipation air duct, and the heat dissipation fan is externally arranged, so that the convenience of fan maintenance is improved.

[0031] 4. The PCS of the all-in-one machine adopts a liquid-cooled PCS, the PCS is cooled by a liquid cooling unit, and the liquid cooling unit is arranged on top, so that the land occupation of the all-in-one machine can be saved, and the reusability of the PCS is improved. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0033] Fig. 1 The layout schematic diagram of the energy storage and variable current and voltage boosting integrated machine in the embodiments of the present application is shown in the figure.

[0034] Fig. 2 The front view schematic diagram of the energy storage and variable current and voltage boosting integrated machine in the embodiments of the present application is shown in the figure.

[0035] Fig. 3 The heat dissipation air duct schematic diagram of the energy storage and variable current and voltage boosting integrated machine in the embodiments of the present application is shown in the figure.

[0036] Reference numerals in the figure:

[0037] 1, box body; 111, PCS cabin; 1111, first air inlet; 112, transformer cabin; 1121, second air inlet; 113, low-voltage power distribution cabin; 114, high-voltage cabin; 1201, first heat dissipation air inlet; 1202, second heat dissipation air inlet; 121, first partition; 122, second partition; 123, third partition; 124, fourth partition; 2, heat dissipation fan; 3, liquid cooling unit. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0039] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0040] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "connect", "fix" and so on should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, also can be integrated;Can be mechanical connection, also can be electrical connection, also can be communication connection;It can be direct connection, also can be indirect connection through intermediate medium, can be the intercommunication of two elements or the interaction of two elements, unless another explicit limitation.For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0041] The technical scheme of the utility model will be described in detail below with specific examples.The following several specific examples can be combined, and the same or similar concepts or processes can not be described in some examples.

[0042] As described in the background art of the present application, the energy storage and conversion integrated machine includes: PCS (Power Conversion System, energy storage converter), transformer, low-voltage power distribution cabinet, high-voltage components, and related connecting accessories, etc., the PCS and the transformer are arranged in the PCS room and the transformer room respectively, and the AC / DC power distribution cabinet is placed separately outside the cabinet, and then connected with the PCS and the transformer through the related connecting accessories.

[0043] The inventors of the present application found that the current energy storage and conversion integrated machine requires a large number of through-box terminals when the cable enters and exits the power distribution cabinet, which increases the complexity of installation and reduces the environmental adaptability of the system; and the exposed components are easily corroded and contaminated by the environment, affecting the safe operation and service life of the product.

[0044] To solve the above problems, the present application provides a technical scheme, and the specific implementation is as follows:

[0045] Fig. 1 The layout diagram of the energy storage and conversion integrated machine in the embodiment of the utility model, Fig. 2 The front view schematic diagram of the energy storage and conversion integrated machine in the embodiment of the utility model, Fig. 3 The heat dissipation air duct schematic diagram of the energy storage and conversion integrated machine in the embodiment of the utility model.

[0046] As shown in Figs. 1 to 3 The energy storage and conversion integrated machine of the embodiment includes: an integrated machine body, a cabinet 1, a heat dissipation air duct and a heat dissipation fan 2.

[0047] The cabinet 1 is a closed rectangular parallelepiped, and the cabinet 1 has a sealing protection function.

[0048] The interior of the box 1 comprises a PCS cabin 111, a transformer cabin 112, a low-voltage power distribution cabin 113 and a high-voltage cabin 114.

[0049] The PCS cabin 111 is adjacent to the transformer cabin 112, and the PCS cabin 111 is arranged on one side (the right side) of the transformer cabin 112, and the PCS cabin 111 and the transformer cabin 112 are isolated by a first partition 121.

[0050] The low-voltage power distribution cabin 113 and the high-voltage cabin 114 are both arranged adjacent to the transformer cabin 112, and are arranged side by side on the other side (the left side) of the transformer cabin 112, and are arranged opposite to the PCS cabin 111. The low-voltage power distribution cabin 113 and the transformer cabin 112 are isolated by a second partition 122, the high-voltage cabin 114 and the transformer cabin 112 are isolated by a third partition 123, and the low-voltage power distribution cabin 113 and the high-voltage cabin 114 are isolated by a fourth partition 124.

[0051] The all-in-one machine body (not shown in the figure) comprises a PCS, a transformer, a low-voltage power distribution cabinet, a high-voltage switch device and related connecting accessories.

[0052] The PCS, the transformer, the low-voltage power distribution cabinet and the high-voltage switch device of the all-in-one machine body are arranged in the PCS cabin 111, the transformer cabin 112, the low-voltage power distribution cabin 113 and the high-voltage cabin 114 of the box 1 respectively, and the components of the all-in-one machine body are connected through related accessories.

[0053] The box 1 is provided with a first air inlet 1111 on the side wall of the PCS cabin 111, and the PCS cabin 111 is connected with the outside through the first air inlet 1111. The box 1 is provided with a second air inlet 1121 on the side wall of the transformer cabin 112, and the transformer cabin 112 is connected with the outside through the second air inlet 1121. The cold air from the outside enters the PCS cabin 111 and the transformer cabin 112 through the first air inlet 1111 and the second air inlet 1112 respectively.

[0054] The first partition 121, the second partition 122 and the fourth partition 124 in the box 1 are all provided with a first heat dissipation air inlet 1201, and the PCS cabin 111, the transformer cabin 112, the low-voltage power distribution cabin 113 and the high-voltage cabin 114 are sequentially connected through the first heat dissipation air inlet 1201, thereby forming a heat dissipation air duct in the box 1.

[0055] The side wall of the high-voltage cabin 114 is provided with an air outlet.

[0056] The heat dissipation fan 2 is arranged outside the box 1, the suction port of the heat dissipation fan 2 is connected with and communicated with the air outlet of the high-voltage cabin 114, and is used for sucking out the hot air (heat) in the high-voltage cabin 114.

[0057] The energy storage, converter, and voltage boosting all-in-one machine of the embodiment has the PCS, transformer, and high and low voltage AC and DC power distribution components arranged together in a closed box, the internal structure of the box forms a heat dissipation air duct, the all-in-one machine body is cooled through the heat dissipation air duct, and the front and rear air exhausts of the transformer cabin are not needed, the air exhaust and heat dissipation structure is more compact, and the size of the all-in-one machine can be effectively controlled.

[0058] The external cold air enters the PCS cabin from the first air inlet of the PCS cabin, under the action of the heat dissipation fan, the cold air passes through the transformer cabin, low voltage power distribution cabin, and high voltage cabin in sequence along the heat dissipation air duct, and then the hot air is exhausted from the high voltage cabin.

[0059] Correspondingly, the external cold air enters the transformer cabin from the second air inlet of the transformer cabin, under the action of the heat dissipation fan, the cold air passes through the low voltage power distribution cabin and high voltage cabin in sequence along the heat dissipation air duct, and then the hot air is exhausted from the high voltage cabin.

[0060] As can be seen from the above, the energy storage, converter, and voltage boosting all-in-one machine of the embodiment has the all-in-one machine body, box, heat dissipation air duct, and heat dissipation fan, the box includes the PCS cabin, transformer cabin, low voltage power distribution cabin, and high voltage cabin, the PCS cabin is separated from the transformer cabin by a first partition, the low voltage power distribution cabin is separated from the transformer cabin by a second partition, the high voltage cabin is separated from the transformer cabin by a third partition, and the low voltage power distribution cabin is separated from the high voltage cabin by a fourth partition, the PCS cabin and the transformer cabin are respectively provided with a first air inlet and a second air inlet, the PCS, transformer, low voltage power distribution cabinet, and high voltage switch device of the all-in-one machine body are respectively arranged in the PCS cabin, transformer cabin, low voltage power distribution cabin, and high voltage cabin, the first partition, second partition, and fourth partition are all provided with a first heat dissipation air inlet to form a heat dissipation air duct, the high voltage cabin is provided with an air exhaust, and the heat dissipation fan is connected with the air exhaust. The energy storage, converter, and voltage boosting all-in-one machine of the embodiment has the PCS, transformer, low voltage power distribution cabinet, and high voltage switch device of the all-in-one machine body arranged together in the closed box PCS cabin, transformer cabin, low voltage power distribution cabin, and high voltage cabin, is not affected by the external environment, and improves the protection capability and environmental adaptability of the energy storage system; the all-in-one machine structure is compact and reasonable in layout, the size of the all-in-one machine (box) can be effectively controlled, and product transportation is facilitated to reduce transportation costs; the PCS cabin, transformer cabin, low voltage power distribution cabin, and high voltage cabin of the box are connected through the first heat dissipation air inlet to form a heat dissipation air duct in the box, so that the PCS cabin, transformer cabin, low voltage power distribution cabin, and high voltage cabin are both independent and connected with each other. The PCS cabin and the transformer cabin enter cold air from the air inlet, under the action of the heat dissipation fan, the cold air in the PCS cabin enters the transformer cabin, then the cold air in the transformer cabin passes through the low voltage power distribution cabin and high voltage cabin in sequence, and finally the hot air is uniformly exhausted from the air exhaust of the high voltage cabin. The box itself is arranged to form a heat dissipation air duct, and the heat dissipation fan is externally arranged to improve the convenience of heat dissipation fan maintenance.

[0061] Optionally, the energy storage, conversion, and voltage boosting all-in-one machine in the embodiment further comprises a liquid cooling unit 3.

[0062] The PCS of the all-in-one machine body is a liquid-cooled PCS, and the PCS is internally provided with a liquid flow channel.

[0063] The liquid cooling unit 3 is arranged outside the cabinet 1 and is connected and communicated with the liquid flow channel of the PCS through a circulating pipeline, so that the PCS of the all-in-one machine body is cooled by external cold air and the circulating liquid of the liquid cooling unit 3, thereby ensuring the cooling effect of the PCS. The use of the liquid-cooled PCS can improve the reusability of the PCS, improve the power density of the PCS, and improve the protection performance of the system and the environmental adaptability.

[0064] Further, in the energy storage, conversion, and voltage boosting all-in-one machine in the embodiment, the liquid cooling unit 3 is arranged on the top plate of the cabinet 1 and located above the PCS cabin 111.

[0065] Arranging the liquid cooling unit 3 on the top of the cabinet 1 can save the floor space of the all-in-one machine, thereby facilitating the installation of the all-in-one machine.

[0066] Optionally, in the energy storage, conversion, and voltage boosting all-in-one machine in the embodiment, the third partition plate 123 in the cabinet 1 is provided with a second heat dissipation air inlet 1202, and the second heat dissipation air inlet 1202 communicates the high-voltage cabin 114 with the transformer cabin 112.

[0067] In the embodiment, the cold air entering the transformer cabin from the PCS cabin and the cold air entering the transformer cabin from the second air inlet of the transformer cabin are partially discharged from the exhaust port of the high-voltage cabin after entering the low-voltage power distribution cabin from the first heat dissipation air inlet of the second partition plate, and partially directly enter the high-voltage cabin from the second heat dissipation air inlet of the third partition plate and are then discharged from the exhaust port of the high-voltage cabin, thereby accelerating the heat dissipation in the transformer cabin.

[0068] Optionally, in the energy storage, conversion, and voltage boosting all-in-one machine in the embodiment, the cabinet 1 is provided with a louver at the first air inlet 1111 of the side wall of the PCS cabin 111 and at the second air inlet 1121 of the side wall of the transformer cabin 112, thereby improving the safety of the all-in-one machine.

[0069] Further, in the energy storage, conversion, and voltage boosting all-in-one machine in the embodiment, the cabinet 1 is provided with a filter screen or filter cotton at the first air inlet 1111 and the second air inlet 1121, thereby preventing dust and other sundries from entering the cabinet 1.

[0070] Further, the energy storage converter and booster integrated machine in the embodiment is provided with the first air inlet 1111 at the front side wall, the rear side wall, the right side wall and the bottom wall of the PCS cabin 111, and a plurality of first air inlets 1111 can be arranged on each side wall of the PCS cabin 111, so that the air inlet amount of the PCS cabin 111 is ensured, and the PCS in the PCS cabin is better cooled.

[0071] Further, the energy storage converter and booster integrated machine in the embodiment is provided with the second air inlet 1121 at the front side wall, the rear side wall and the bottom wall of the transformer cabin 112, and a plurality of second air inlets 1121 are arranged at the front side wall, the rear side wall and the bottom wall of the transformer cabin 112, so that the air inlet amount of the transformer cabin 112 is ensured, and the transformer in the transformer cabin 112 is better cooled.

[0072] Optionally, the high-voltage switch device of the energy storage converter and booster integrated machine in the embodiment is one of a high-voltage power distribution cabinet and a high-voltage switch.

[0073] Further, the energy storage converter and booster integrated machine in the embodiment is provided with the first air inlet 1111 at the front side wall, the rear side wall, the right side wall and the bottom wall of the PCS cabin 111, and a plurality of first air inlets 1111 can be arranged on each side wall of the PCS cabin 111, so that the air inlet amount of the PCS cabin 111 is ensured, and the PCS in the PCS cabin is better cooled.

[0074] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first feature and the second feature, or indirect contact between the first feature and the second feature through an intermediate medium.

[0075] Moreover, the first feature can be directly above or obliquely above the second feature, or only indicates that the first feature is higher than the second feature in horizontal height. The first feature can be directly below or obliquely below the second feature, or only indicates that the first feature is lower than the second feature in horizontal height.

[0076] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "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 application, 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. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present application and the features of the different embodiments or examples without contradiction.

[0077] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A storage energy conversion and voltage boosting integrated machine, characterized in that, The utility model relates to an integrated machine, which comprises: an integrated machine body, a box, a heat dissipation air duct and a heat dissipation fan; the box is in the form of a closed square and comprises a PCS cabin, a transformer cabin, a low-voltage power distribution cabin and a high-voltage cabin; the PCS cabin is located on one side of the transformer cabin and is separated from the transformer cabin by a first partition plate; the low-voltage power distribution cabin and the high-voltage cabin are arranged side by side on the other side of the transformer cabin, opposite the PCS cabin, the low-voltage power distribution cabin is separated from the transformer cabin by a second partition plate, the high-voltage cabin is separated from the transformer cabin by a third partition plate, and the low-voltage power distribution cabin is separated from the high-voltage cabin by a fourth partition plate; the PCS, the transformer, the low-voltage power distribution cabinet and the high-voltage switchgear of the integrated machine body are arranged in the PCS cabin, the transformer cabin, the low-voltage power distribution cabin and the high-voltage cabin respectively; the PCS cabin and the transformer cabin are respectively provided with a first air inlet and a second air inlet for cold air to enter; the first partition plate, the second partition plate and the fourth partition plate are all provided with a first heat dissipation air inlet, so that the PCS cabin, the transformer cabin, the low-voltage power distribution cabin and the high-voltage cabin are sequentially connected to form the heat dissipation air duct; the high-voltage cabin is provided with an air outlet; the heat dissipation fan is arranged on the outside of the box, the air suction port of the heat dissipation fan is connected to the air outlet, and the heat dissipation fan is used for sucking out hot air.

2. The energy storage converter booster all-in-one machine of claim 1, wherein, Further comprising: a liquid cooling unit; the PCS of the integrated machine body is provided with a liquid flow channel; the liquid cooling unit is connected to the liquid flow channel of the PCS through a circulating pipeline, so that the PCS is cooled by liquid.

3. The energy storage converter and booster all-in-one machine of claim 2, wherein, The liquid cooling unit is arranged on the top plate of the box.

4. The energy storage converter boost integrated machine of claim 1, wherein, The third partition plate is provided with a second heat dissipation air inlet, so that the high-voltage cabin and the transformer cabin are connected.

5. The energy storage converter boost integrated machine of claim 1, wherein, Both the first air inlet and the second air inlet are provided with louvers.

6. The energy storage converter boost integrated machine of claim 5, wherein, Both the first air inlet and the second air inlet are provided with a filter screen or filter cotton.

7. The energy storage converter boost integrated machine of claim 1, wherein, The first air inlet is arranged on three side walls and a bottom wall of the PCS cabin.

8. The energy storage converter boost integrated machine of claim 1, wherein, The second air inlet is arranged on the front and rear side walls and the bottom wall of the transformer cabin.

9. The energy storage converter boost integrated machine of claim 1, wherein, The high-voltage switchgear is a high-voltage power distribution cabinet or a high-voltage switch.

10. The energy storage converter boost integrated machine of any one of claims 1 to 9, wherein, The top of the box is provided with lifting lugs.

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