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

Abstract

The invention 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, the PCS cabin and the transformer cabin are provided with a first air inlet and a second air inlet respectively, and a PCS, a transformer and an alternating-current and direct-current power distribution cabin of the all-in-one machine body are arranged in the box body. And the heat dissipation fan is arranged on the outer side of the box body and is connected with an air outlet of the 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 finally discharged from an air outlet of the high-voltage cabin 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 externally arranged, and the maintenance convenience of the heat dissipation fan is improved.

Description

Technical Field

[0001] The embodiments of the present invention relate to the technical field of energy storage systems, and in particular to an integrated energy storage, current conversion and voltage boosting machine. Background Art

[0002] In electrochemical energy storage systems, the integrated energy storage converter and booster is an important component of the energy storage system. The integrated energy storage converter and booster realizes the functions of AC / DC conversion and voltage boosting of electric energy and is widely used.

[0003] The energy storage converter and booster unit includes: PCS (Power Conversion System, energy storage converter), transformer, low-voltage distribution cabinet, high-voltage components, and related connection accessories. The PCS and transformer are respectively arranged in the PCS room and the transformer room. The high and low voltage distribution components are placed separately outside the box and then connected to the PCS and transformer through related connection accessories.

[0004] The inventors of the present application have discovered that the current integrated energy storage converter and booster requires a large number of through-box terminals when cables enter and exit distribution boxes and cabinets, which increases the complexity of installation and reduces the environmental adaptability of the system; and the exposed components are easily corroded and polluted by the environment, affecting the safe operation and service life of the product. Summary of the invention

[0005] The purpose of the present invention is to provide an integrated energy storage, current conversion and voltage boosting device to solve the problems in the above-mentioned background technology.

[0006] The embodiment of the present invention provides an integrated energy storage, current conversion and voltage boosting machine, comprising: an integrated machine body, a box body, a heat dissipation duct and a heat dissipation fan;

[0007] The box is in a closed square shape and includes: a PCS compartment, a transformer compartment, a low-voltage distribution compartment and a high-voltage compartment;

[0008] The PCS cabin is located on one side of the transformer cabin and is isolated 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 isolated from the transformer cabin by a second partition, the high-voltage cabin is isolated from the transformer cabin by a third partition, and the low-voltage distribution cabin is isolated 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 respectively arranged in the PCS cabin, the transformer cabin, the low-voltage distribution cabin and the high-voltage cabin;

[0011] The PCS cabin and the transformer cabin are respectively provided with a first air inlet and a second air inlet for supplying cooling air;

[0012] The first partition plate, the second partition plate and the fourth partition plate are all provided with a first heat dissipation vent, 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 duct;

[0013] The hyperbaric chamber is provided with an exhaust port;

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

[0015] Based on the above scheme, it can be known that the energy storage, current conversion and boosting integrated machine of the present invention is provided with an integrated machine body, a box body, a heat dissipation duct and a heat dissipation fan. The box body includes: a PCS cabin, a transformer cabin, a low-voltage distribution cabin and a high-voltage cabin. The PCS cabin and the transformer cabin are isolated by a first partition, the low-voltage distribution cabin and the transformer cabin are isolated by a second partition, the high-voltage cabin and the transformer cabin are isolated by a third partition, and the low-voltage distribution cabin and the high-voltage cabin are isolated 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 distribution cabinet and high-voltage switchgear of the integrated machine body are respectively arranged in the PCS cabin, the transformer cabin, the low-voltage distribution cabin and the high-voltage cabin. The first partition, the second partition and the fourth partition are all provided with a first heat dissipation outlet to form a heat dissipation duct. The high-voltage cabin is provided with an exhaust outlet, and the heat dissipation fan is connected to the exhaust outlet. The energy storage, conversion and boosting integrated machine of the present invention has PCS, transformer, low-voltage distribution cabinet and high-voltage switchgear and other components of the integrated machine body arranged together in the PCS cabin, transformer cabin, low-voltage distribution cabin and high-voltage cabin of the closed box, which are not affected by the external environment, and improve the protection ability and environmental adaptability of the energy storage system; the integrated machine has a compact structure and a reasonable layout, which can effectively control the size of the integrated machine (box), facilitate product transportation to reduce transportation costs; the PCS cabin, transformer cabin, low-voltage distribution cabin and high-voltage cabin of the box are connected through the first heat dissipation vent, forming a heat dissipation duct in the box, so that the PCS cabin, transformer cabin, low-voltage distribution cabin and high-voltage cabin are both independent and interconnected. Cold air enters the PCS cabin and the transformer cabin from the air inlet, and under the action of the heat dissipation fan, the cold air in the PCS cabin enters the transformer cabin again, and then the cold air in the transformer cabin passes through the low-voltage distribution cabin and the high-voltage cabin in turn, and finally the hot air is uniformly discharged from the exhaust port of the high-voltage cabin. The layout of the box itself constitutes a heat dissipation duct, and the heat dissipation fan is externally placed to improve the convenience of heat dissipation fan maintenance.

[0016] In a feasible solution, it also includes: 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 to the liquid flow channel of the PCS through a circulation pipeline, and is used to cool the PCS through liquid.

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

[0020] In a feasible solution, the third partition is provided with a second heat dissipation vent so that the high-voltage compartment is connected to the transformer compartment.

[0021] In a feasible solution, shutters are provided at both the first air inlet and the second air inlet.

[0022] In a feasible solution, a filter net or filter cotton is provided at the first air inlet and the second air inlet.

[0023] In a feasible solution, the three side walls and the bottom wall of the PCS cabin are provided with the first air inlet.

[0024] In a feasible solution, the second air inlet is provided on the front and rear side walls and the bottom wall of the transformer compartment.

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

[0026] In a feasible solution, a lifting lug is provided on the top of the box.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. The PCS, transformer, AC / DC power distribution and other components of the all-in-one machine are arranged together in a closed box, which can improve the system's protection capability and environmental adaptability.

[0029] 2. The PCS compartment, transformer compartment, low-voltage distribution compartment and high-voltage compartment of the box are both independent and interconnected, making the structure of the all-in-one machine compact and the layout reasonable, which can effectively control the width of the all-in-one machine (box), facilitate product transportation and reduce transportation costs.

[0030] 3. The PCS compartment and transformer compartment of the box body take in air, and then the cold air passes through the PCS compartment, transformer compartment, low-voltage distribution compartment and high-voltage compartment in turn along the heat dissipation channel, and then the hot air is uniformly discharged from the high-voltage compartment to achieve heat dissipation and cooling of the integrated machine body. The box body's own structural layout constitutes a heat dissipation duct, and the heat dissipation fan is externally placed to improve the convenience of fan maintenance.

[0031] 4. The PCS of the all-in-one machine adopts liquid-cooled PCS. The PCS dissipates heat independently through a liquid cooling unit, and the liquid cooling unit is placed on the top, which can save the space occupied by the all-in-one machine and improve the reusability of the PCS. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0033] Figure 1 It is a schematic diagram of the layout of the energy storage, current conversion and boosting integrated machine in an embodiment of the present invention;

[0034] Figure 2 It is a schematic front view of an integrated energy storage, current conversion and boosting device in an embodiment of the present invention;

[0035] Figure 3 The figure is a schematic diagram of the heat dissipation duct of the energy storage, current conversion and boosting integrated machine in an embodiment of the present invention.

[0036] Numbers in the figure:

[0037] 1. Box body; 111. PCS cabin; 1111. First air inlet; 112. Transformer cabin; 1121. Second air inlet; 113. Low-voltage distribution cabin; 114. High-voltage cabin; 1201. First heat dissipation air outlet; 1202. Second heat dissipation air outlet; 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 solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] The technical solution of the present invention is described in detail with specific embodiments below. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0042] As described in the background technology of this application, the energy storage, conversion and boosting integrated machine includes: PCS (Power Conversion System, energy storage converter), transformer, low-voltage distribution cabinet, high-voltage components, and related connection accessories, etc. The PCS and transformer are respectively arranged in the PCS room and the transformer room, and the AC and DC distribution cabinet is placed separately outside the box, and then connected to the PCS and the transformer through related connection accessories.

[0043] The inventors of the present application have discovered that the current integrated energy storage converter and booster requires a large number of through-box terminals when cables enter and exit distribution boxes and cabinets, which increases the complexity of installation and reduces the environmental adaptability of the system; and the exposed components are easily corroded and polluted by the environment, affecting the safe operation and service life of the product.

[0044] In order to solve the above problems, the inventor of the present application proposed the technical solution of the present application, and the specific embodiments are as follows:

[0045] Figure 1 is a schematic diagram of the layout of the energy storage, current conversion and boosting integrated machine in an embodiment of the present invention, Figure 2 is a schematic front view of an integrated energy storage, current conversion and boosting device in an embodiment of the present invention, Figure 3 The figure is a schematic diagram of the heat dissipation duct of the energy storage, current conversion and boosting integrated machine in an embodiment of the present invention.

[0046] like Figures 1 to 3 As shown, the energy storage, current conversion and boosting integrated machine of this embodiment includes: an integrated machine body, a box body 1, a heat dissipation duct and a heat dissipation fan 2.

[0047] The box body 1 is in a closed rectangular parallelepiped shape and has a sealing and protective function.

[0048] The interior of the box body 1 includes: a PCS compartment 111 , a transformer compartment 112 , a low-voltage distribution compartment 113 and a high-voltage compartment 114 .

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

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

[0051] The integrated machine body (not shown) includes: PCS, transformer, low-voltage distribution cabinet, high-voltage switchgear and related connection accessories.

[0052] The PCS, transformer, low-voltage distribution cabinet, and high-voltage switchgear of the integrated machine body are respectively arranged in the PCS compartment 111, transformer compartment 112, low-voltage distribution compartment 113 and high-voltage compartment 114 of the box body 1, and the components of the integrated machine body are connected through relevant accessories.

[0053] The box body 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 to the outside through the first air inlet 1111. The box body 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 to the outside through the second air inlet 1121. External cold air enters the PCS cabin 111 and the transformer cabin 112 from 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 body 1 are all provided with a first heat dissipation vent 1201 that penetrates therethrough, and the PCS cabin 111, the transformer cabin 112, the low-voltage distribution cabin 113 and the high-voltage cabin 114 are connected in sequence through the first heat dissipation vent 1201 to form the heat dissipation duct in the box body 1.

[0055] The side wall of the hyperbaric chamber 114 is provided with an exhaust port.

[0056] The heat dissipation fan 2 is arranged on the outside of the box body 1 , and the air intake port of the heat dissipation fan 2 is connected and communicated with the air exhaust port of the high-pressure chamber 114 for sucking out the hot air (heat) in the high-pressure chamber 114 .

[0057] In the energy storage, current conversion and boosting integrated machine of this embodiment, PCS, transformer and high and low voltage AC and DC power distribution components are arranged together in a closed box. The internal structural layout of the box constitutes a heat dissipation duct, through which the heat dissipation of the integrated machine body is cooled and there is no need to exhaust air from the front and back of the transformer cabin. The exhaust and heat dissipation structure is more compact, which can effectively control the size of the integrated machine.

[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, the low-voltage distribution cabin and the high-voltage cabin in sequence along the heat dissipation air duct, and then the hot air is discharged 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 distribution cabin and the high-voltage cabin in sequence along the heat dissipation air duct, and then the hot air is discharged from the high-voltage cabin.

[0060] It is not difficult to find from the above content that the energy storage, current conversion and boosting integrated machine of this embodiment is provided with an integrated machine body, a box body, a heat dissipation duct and a heat dissipation fan. The box body includes: a PCS cabin, a transformer cabin, a low-voltage distribution cabin and a high-voltage cabin. The PCS cabin and the transformer cabin are isolated by a first partition, the low-voltage distribution cabin and the transformer cabin are isolated by a second partition, the high-voltage cabin and the transformer cabin are isolated by a third partition, and the low-voltage distribution cabin and the high-voltage cabin are isolated 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 distribution cabinet and high-voltage switchgear of the integrated machine body are respectively arranged in the PCS cabin, the transformer cabin, the low-voltage distribution cabin and the high-voltage cabin. The first partition, the second partition and the fourth partition are all provided with a first heat dissipation outlet to form a heat dissipation duct. The high-voltage cabin is provided with an exhaust outlet, and the heat dissipation fan is connected to the exhaust outlet. In the energy storage, current conversion and boosting integrated machine of this embodiment, the PCS, transformer, low-voltage distribution cabinet and high-voltage switchgear of the integrated machine body are arranged together in the PCS cabin, transformer cabin, low-voltage distribution cabin and high-voltage cabin of the closed box, which are not affected by the external environment, and the protection ability and environmental adaptability of the energy storage system are improved; the integrated machine has a compact structure and a reasonable layout, which can effectively control the size of the integrated machine (box), facilitate product transportation to reduce transportation costs; the PCS cabin, transformer cabin, low-voltage distribution cabin and high-voltage cabin of the box are connected through the first heat dissipation vent, forming a heat dissipation duct in the box, so that the PCS cabin, transformer cabin, low-voltage distribution cabin and high-voltage cabin are both independent and interconnected. Cold air enters the PCS cabin and the transformer cabin from the air inlet. Under the action of the heat dissipation fan, the cold air in the PCS cabin enters the transformer cabin again, and then the cold air in the transformer cabin passes through the low-voltage distribution cabin and the high-voltage cabin in turn, and finally the hot air is uniformly discharged from the exhaust port of the high-voltage cabin. The layout of the box itself constitutes a heat dissipation duct, and the heat dissipation fan is externalized to improve the convenience of heat dissipation fan maintenance.

[0061] Optionally, the energy storage, current conversion and boosting integrated machine in this embodiment further includes: a liquid cooling unit 3.

[0062] The PCS of the integrated machine body is a liquid-cooled PCS, and a liquid flow channel is provided inside the PCS.

[0063] The liquid cooling unit 3 is arranged outside the box 1, and is connected and communicated with the liquid flow channel of the PCS through a circulation pipeline, so that the PCS of the integrated machine body is cooled by external cold air and the circulating liquid of the liquid cooling unit 3 is cooled and dissipated, thereby ensuring the cooling effect of the PCS. The use of a liquid-cooled PCS can improve the reusability of the PCS, improve the power density of the PCS, and at the same time improve the protection performance of the system and the adaptability to the environment.

[0064] Furthermore, in the energy storage converter and booster in this embodiment, the liquid cooling unit 3 is arranged on the top plate of the box body 1, above the PCS cabin 111.

[0065] The liquid cooling unit 3 is arranged on the top of the box body 1, which can save the space occupied by the all-in-one machine and facilitate the installation of the all-in-one machine.

[0066] Optionally, in the integrated energy storage, current conversion and boosting machine of this embodiment, the third partition plate 123 in the box body 1 is provided with a second heat dissipation vent 1202 , and the second heat dissipation vent 1202 connects the high-voltage cabin 114 with the transformer cabin 112 .

[0067] In this embodiment, part of 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 enters the low-voltage distribution cabin from the first heat dissipation outlet of the second partition and is then discharged through the exhaust outlet of the high-voltage cabin; part of the cold air directly enters the high-voltage cabin from the second heat dissipation outlet of the third partition and is then discharged through the exhaust outlet of the high-voltage cabin, thereby accelerating the discharge of heat from the transformer cabin.

[0068] Optionally, in the energy storage, current conversion and boosting integrated machine in this embodiment, shutters are provided 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 of the box body 1 to improve the safety of the integrated machine.

[0069] Furthermore, in the energy storage, current conversion and boosting integrated machine in this embodiment, the box body 1 is provided with filter nets or filter cotton at the first air inlet 1111 and the second air inlet 1121 to prevent dust and other debris from entering the box body 1.

[0070] Furthermore, in the integrated energy storage, current conversion and boosting machine in this embodiment, the box body 1 is provided with a first air inlet 1111 on the front side wall, rear side wall, right side wall and bottom wall of the PCS cabin 111, and each side wall of the PCS cabin 111 may be provided with multiple first air inlets 1111 to ensure the air intake of the PCS cabin 111 and better cool the PCS in the PCS cabin.

[0071] Furthermore, in the energy storage, current conversion and boosting integrated machine in this embodiment, the box body 1 is provided with a second air inlet 1121 on the front side wall, rear side wall, and bottom wall of the transformer compartment 112, and the box body 1 is provided with multiple second air inlets 1121 on the front and rear side walls, and bottom wall of the transformer compartment 112, to ensure the air intake of the transformer compartment 112 and to ensure that the transformer in the transformer compartment 112 is better cooled.

[0072] Optionally, in the integrated energy storage, current conversion and boosting machine in this embodiment, the high-voltage switchgear of the integrated body is a high-voltage distribution cabinet or a high-voltage switch.

[0073] Furthermore, in the energy storage, current conversion and boosting integrated machine of the present embodiment, the box body 1 is provided with lifting ears (not shown in the figure) at the four top corners of the top to facilitate the lifting and transportation of the box body 1.

[0074] In the present invention, unless otherwise clearly specified and limited, a first feature being “on” or “under” a second feature may mean that the first feature and the second feature are in direct contact, or the first feature and the second feature are in indirect contact via an intermediate medium.

[0075] Moreover, the first feature being “above”, “above”, and “above” the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being “below”, “below”, and “below” the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0076] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0077] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An integrated energy storage, current conversion and voltage boosting machine, characterized in that: include: All-in-one machine body, box, heat dissipation duct and heat dissipation fan; The box is in a closed square shape and includes: a PCS compartment, a transformer compartment, a low-voltage distribution compartment and a high-voltage compartment; The PCS cabin is located on one side of the transformer cabin and is isolated from the transformer cabin by a first partition; 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 isolated from the transformer cabin by a second partition, the high-voltage cabin is isolated from the transformer cabin by a third partition, and the low-voltage distribution cabin is isolated from the high-voltage cabin by a fourth partition; The PCS, transformer, low-voltage distribution cabinet and high-voltage switchgear of the integrated machine body are respectively arranged in the PCS cabin, the transformer cabin, the low-voltage distribution cabin and the high-voltage cabin; The PCS cabin and the transformer cabin are respectively provided with a first air inlet and a second air inlet for supplying cooling air; The first partition plate, the second partition plate and the fourth partition plate are all provided with a first heat dissipation vent, 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 duct; The hyperbaric chamber is provided with an exhaust port; The heat dissipation fan is arranged on the outside of the box body, and the air suction port of the heat dissipation fan is connected with the air discharge port for sucking out hot air.

2. The integrated energy storage, current conversion and voltage boosting device according to claim 1, characterized in that: Also includes: 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 circulation pipeline, and is used to cool the PCS through liquid.

3. The integrated energy storage, current conversion and voltage boosting device according to claim 2, characterized in that: The liquid cooling unit is arranged on the top plate of the box body.

4. The integrated energy storage, current conversion and voltage boosting device according to claim 1, characterized in that: The third partition plate is provided with a second heat dissipation vent, so that the high-voltage compartment is connected with the transformer compartment.

5. The integrated energy storage, current conversion and voltage boosting device according to claim 1, characterized in that: Shutters are provided at the first air inlet and the second air inlet.

6. The integrated energy storage, current conversion and voltage boosting device according to claim 5, characterized in that: The first air inlet and the second air inlet are both provided with a filter net or filter cotton.

7. The integrated energy storage, current conversion and voltage boosting device according to claim 1, characterized in that: The three side walls and the bottom wall of the PCS cabin are all provided with the first air inlet.

8. The integrated energy storage, current conversion and voltage boosting device according to claim 1, characterized in that: The front and rear side walls and the bottom wall of the transformer compartment are both provided with the second air inlet.

9. The integrated energy storage, current conversion and voltage boosting device according to claim 1, characterized in that: The high-voltage switchgear is a high-voltage distribution cabinet or a high-voltage switch.

10. The integrated energy storage, current conversion and voltage boosting device according to any one of claims 1 to 9, characterized in that: A lifting lug is arranged on the top of the box body.

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