Energy storage all-in-one machine

Abstract

The utility model discloses an energy storage all-in-one machine, and relates to the technical field of energy storage equipment. The energy storage all-in-one machine comprises PCS modules and a confluence cabinet, the PCS modules comprise the first PCS module and the second PCS module, the first PCS module is located above the confluence cabinet, and the second PCS module is located on one side of the confluence cabinet; a direct current side and an alternating current side are arranged in the confluence cabinet, and the alternating current side is located on the front side of the direct current side. According to the energy storage all-in-one machine provided by the utility model, spatial layout is fully and reasonably utilized, a plurality of devices with different functions in the cabinet body are integrated in one confluence cabinet body, and the problems of heat concentration and overhigh cost in the confluence cabinet are solved. According to the energy storage all-in-one machine, the function requirement is met, the space utilization rate is reasonably improved, the overall size is reduced, and the cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage equipment technical field especially relates to a kind of energy storage integrated machine. BACKGROUND

[0002] The layout of existing energy storage integrated machine is generally that multiple PCS modules (PCS: Power Conversion System, power conversion system) are arranged in a line on the upper layer, and multiple cabinets with different functions are distributed on the lower layer, which has the disadvantages of multiple types of cabinets, scattered device layout, low power density, high heat dissipation cost and large overall size. In the process of field application, it increases operation and maintenance cost. UTILITARIAN CONTENT

[0003] To solve the above technical problems, the utility model aims at providing an energy storage integrated machine, which fully and reasonably utilizes space layout, integrates multiple devices in cabinets with different functions in a bus cabinet, and is located on the lower layer. The PCS modules are distributed in part of the space on the upper layer and the lower layer. The devices in the bus cabinet are in a reasonable position. The utility model makes full use of space and solves the problems of heat concentration and high cost in the bus cabinet. Under the premise of meeting the functional requirements, the utility model reasonably improves the space utilization and reduces the overall size, thereby greatly reducing the cost.

[0004] The utility model aims at realizing the following technical scheme:

[0005] An energy storage integrated machine is provided, which comprises a PCS module and a bus cabinet. The PCS module comprises a first PCS module and a second PCS module. The first PCS module is located above the bus cabinet, and the second PCS module is located on one side of the bus cabinet. The bus cabinet is provided with a DC side and an AC side. The AC side is located on the front side of the DC side.

[0006] Further, the energy storage integrated machine further comprises a heat dissipation assembly and a power distribution assembly. The heat dissipation assembly and the power distribution assembly are arranged on the same side wall of the bus cabinet.

[0007] Further, the bus cabinet is further provided with a bus cabinet external outgoing line end. The bus cabinet external outgoing line end is arranged below the AC side.

[0008] Further, the bus cabinet external outgoing line end comprises a side-out external output end and a back-out external output end. One end of the side-out external output end is connected to the side wall of the bus cabinet. One end of the back-out external output end is connected to the side wall of the bus cabinet.

[0009] Further, the DC side comprises a fuse assembly and a DC small switch. The fuse assembly and the DC small switch are connected.

[0010] Further, the energy storage integrated machine further comprises a conductor, and the fuse assembly and the DC small switch are connected through the conductor.

[0011] Further, one end of the fuse assembly is connected with the DC small switch through a conductor, and the other end of the fuse assembly is connected with the first PCS module and the second PCS module.

[0012] Preferably, the fuse assembly comprises a first fuse assembly and a second fuse assembly.

[0013] Preferably, the first fuse assembly is connected with the positive pole of the DC end of the first PCS module.

[0014] Preferably, the second fuse assembly is connected with the positive pole of the DC end of the second PCS module.

[0015] Further, the AC side comprises an AC small switch and a frame circuit breaker, one end of the AC small switch is connected with the frame circuit breaker, and the other end of the AC small switch is connected with the first PCS module and the second PCS module.

[0016] Preferably, the AC small switch comprises a first AC small switch and a second AC small switch.

[0017] Preferably, the first AC small switch is connected with the three-phase AC end of the first PCS module, and the second AC small switch is connected with the three-phase AC end of the second PCS module.

[0018] Further, the frame circuit breaker is connected with a side outgoing external output end or a back outgoing external output end.

[0019] Preferably, the busbar cabinet is provided with an air duct, and the DC side and the AC side are connected through the air duct.

[0020] Further, the energy storage integrated machine further comprises an external rack, and the PCS module and the busbar cabinet are arranged in the external rack.

[0021] Compared with the prior art, the beneficial effects are as follows:

[0022] 1. The same number of PCS modules are assembled, the overall size is small, and the cost is low;

[0023] 2. The busbar cabinet has high power density, low cost, and improved overall machine profit;

[0024] 3. The devices in the busbar cabinet are reasonably distributed, the heat dissipation and ventilation effect is good, the device operating environment is good, and the operation and maintenance cost of the overall machine is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor.

[0026] Figure 1 It is a structural schematic diagram of the energy storage integrated machine of the present application embodiment 1.

[0027] Figure 2 It is a structural schematic diagram of the energy storage integrated machine of the present application embodiment 1.

[0028] Figure 3 It is a front view of the busbar cabinet of the energy storage integrated machine of the present application embodiment 1.

[0029] Figure 4 It is a side view of the busbar cabinet of the energy storage integrated machine of the present application embodiment 1.

[0030] Figure 5 It is a rear view of the busbar cabinet of the energy storage integrated machine of the present application embodiment 1.

[0031] Figure 6 It is a side view of the busbar cabinet of the energy storage integrated machine of the present application embodiment 1.

[0032] Figure 7 It is a top view of the busbar cabinet of the energy storage integrated machine of the present application embodiment 1.

[0033] Explanation of the figure:

[0034] 1-busbar cabinet; 2-external rack; 3-first PCS module; 4-second PCS module; 5-direct current side; 6-alternating current side; 7-heat dissipation assembly; 8-power distribution assembly; 9-side out external output end; 10-back out external output end; 11-fuse assembly; 12-direct current small switch; 13-alternating current small switch; 14-frame circuit breaker. DETAILED DESCRIPTION

[0035] The technical solutions of the present application embodiments will be described clearly and completely below in combination with the drawings of the present application embodiments. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0036] It should be understood that the terms "comprise" and "comprising" when used in this specification and the claims indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0037] It should also be understood that the terms used in the specification and the appended claims are intended to describe particular embodiments and do not limit the present application unless other wise explicitly defined by the context.

[0038] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the application is usually placed, and are only for the convenience of describing the application and simplifying the description, and do not 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 limiting the application.

[0039] The terms "parallel", "vertical", and the like do not mean that the components must be absolutely parallel or vertical, but can be slightly inclined. For example, "parallel" only means that its direction is relatively more parallel than "vertical", and does not mean that the structure must be completely parallel, but can be slightly inclined.

[0040] In the description of the present application, it should also be noted that unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Example 1

[0042] Please refer to Figures 1-7The energy storage integrated machine shown includes a PCS module, a busbar cabinet 1 and an external rack 2, and the PCS module and the busbar cabinet 1 are arranged in the external rack 2. The PCS module includes a first PCS module 3 and a second PCS module 4, the first PCS module 3 is located above the busbar cabinet 1, and the second PCS module 4 is located on one side of the busbar cabinet 1. The first PCS module 3 is composed of six PCS module groups, and the second PCS module 4 is composed of one PCS module group. The busbar cabinet 1 is provided with a DC side 5 and an AC side 6, and the AC side 6 is located in front of the DC side 5. The energy storage integrated machine further includes a heat dissipation assembly 7 and a power distribution assembly 8, and the heat dissipation assembly 7 and the power distribution assembly 8 are arranged on the same side wall of the busbar cabinet 1. The busbar cabinet 1 is further provided with a busbar cabinet external outgoing line end, and the busbar cabinet external outgoing line end is arranged below the AC side 6. The busbar cabinet external outgoing line end includes a side-out external output end 9 and a back-out external output end 10, one end of the side-out external output end 9 is connected to the side wall of the busbar cabinet 1, and one end of the back-out external output end 10 is connected to the side wall of the busbar cabinet 1. The DC side 5 includes a fuse assembly 11 and a DC small switch 12, and the fuse assembly 11 is connected to the DC small switch 12. The busbar cabinet 1 is further provided with an external incoming line end, and the external incoming line end is connected to the DC small switch 12. The energy storage integrated machine further includes a conductor, and the fuse assembly 11 and the DC small switch 12 are connected through the conductor. One end of the fuse assembly 11 is connected to the DC small switch 12 through the conductor, and the other end of the fuse assembly 11 is connected to the first PCS module 3 and the second PCS module 4. In this embodiment, the fuse assembly 11 includes a first fuse assembly and a second fuse assembly. The first fuse assembly is connected to the positive electrode of the DC end of the first PCS module 3, and the second fuse assembly is connected to the positive electrode of the DC end of the second PCS module 4. The AC side 6 includes an AC small switch 13 and a frame circuit breaker 14, one end of the AC small switch 13 is connected to the frame circuit breaker 14, and the other end of the AC small switch 13 is connected to the first PCS module 3 and the second PCS module 4. In this embodiment, the AC small switch 13 includes a first AC small switch and a second AC small switch. The first AC small switch is connected to the three-phase AC end of the first PCS module 3, and the second AC small switch is connected to the three-phase AC end of the second PCS module 4. The frame circuit breaker 14 is connected to the side-out external output end 9 or the back-out external output end 10. In this embodiment, the frame circuit breaker 14 is connected to the side-out external output end 9. The busbar cabinet 1 is provided with an air duct, and the DC side 5 and the AC side 6 are connected through the air duct.

[0043] The line path of the energy storage integrated machine is as follows: entering from the external incoming line end, the external incoming line end is connected with the direct current small switch 12, the direct current small switch 12 is connected with one end of the fuse assembly 11, the other end of the fuse assembly 11 is connected with the first PCS module 3 and the second PCS module 4, and the fuse assembly 11 comprises a first fuse assembly and a second fuse assembly. The first fuse assembly is connected with the direct current positive pole of the first PCS module 3, and the second fuse assembly is connected with the direct current positive pole of the second PCS module 4. One end of the alternating current small switch 13 is connected with the first PCS module 3 and the second PCS module 4. In the embodiment, the alternating current small switch 13 comprises a first alternating current small switch and a second alternating current small switch. The first alternating current small switch is connected with the alternating current three-phase end of the first PCS module 3, and the second alternating current small switch is connected with the alternating current three-phase end of the second PCS module 4. The other end of the alternating current small switch 13 is connected with the frame circuit breaker 14, and the frame circuit breaker 14 is connected with the side out external output end 9. The main air duct path is as follows: the gas enters the busbar cabinet 1 through the heat dissipation assembly 7, enters the direct current side 5 in the busbar cabinet 1, then enters the alternating current side 6, and is finally extracted through the heat dissipation assembly 7.

[0044] Example 2

[0045] The difference between Example 2 and Example 1 is that the first PCS module in Example 2 is composed of five PCS module groups, and the rest of the conditions are the same.

[0046] Example 3

[0047] The difference between Example 3 and Example 1 is that the alternating current side of Example 3 is located at the rear side of the direct current side, and the rest of the conditions are the same.

[0048] Example 4

[0049] The difference between Example 4 and Example 1 is that the frame circuit breaker of Example 4 is connected with the back out external output end, and the rest of the conditions are the same.

[0050] The utility model provides a kind of energy storage integrated machine, and space layout is fully and reasonably utilized, and the devices in the cabinet body of multiple different functions are integrated in one busbar cabinet body.The device in the busbar cabinet is in reasonable position.The energy storage integrated machine makes full use of space, and also solves the problem of heat concentration in the busbar cabinet and high cost.

[0051] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, and anyone skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the utility model, and these modifications or replacements should be covered in the protection scope of the utility model.Therefore, the protection scope of the utility model should be subject to the protection scope of claim.

Claims

1. An energy storage all-in-one machine, characterized in that, The PCS module comprises a first PCS module and a second PCS module, the first PCS module is located above the busbar cabinet, and the second PCS module is located on one side of the busbar cabinet.

2. The energy storage all-in-one machine of claim 1, wherein, The heat dissipation assembly and the power distribution assembly are arranged on the same side wall of the busbar cabinet.

3. The energy storage all-in-one machine of claim 2, wherein, The busbar cabinet further comprises a busbar cabinet external outgoing terminal, which is arranged below the alternating current side.

4. The energy storage all-in-one machine of claim 3, wherein, The busbar cabinet external outgoing terminal comprises a side outgoing external output terminal and a back outgoing external output terminal, one end of the side outgoing external output terminal is connected to the side wall of the busbar cabinet, and one end of the back outgoing external output terminal is connected to the side wall of the busbar cabinet.

5. The energy storage all-in-one machine of claim 4, wherein, The direct current side comprises a fuse assembly and a direct current small switch, and the fuse assembly is connected to the direct current small switch.

6. The energy storage all-in-one machine of claim 5, wherein, The fuse assembly and the direct current small switch are connected through a conductor.

7. The energy storage all-in-one machine of claim 6, wherein, One end of the fuse assembly is connected to the direct current small switch through the conductor, and the other end of the fuse assembly is connected to the first PCS module and the second PCS module.

8. The energy storage all-in-one machine of claim 7, wherein, The alternating current side comprises an alternating current small switch and a frame circuit breaker, one end of the alternating current small switch is connected to the frame circuit breaker, and the other end of the alternating current small switch is connected to the first PCS module and the second PCS module.

9. The energy storage all-in-one machine of claim 8, wherein, The frame circuit breaker is connected to the side outgoing external output terminal or the back outgoing external output terminal.

10. The energy storage all-in-one machine of claim 1, wherein, The PCS module and the busbar cabinet are arranged in the external rack.

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