100kW-215kWh liquid cooling and energy storage all-in-one machine

Abstract

The utility model discloses a 100kW-215kWh liquid cooling energy storage all-in-one machine which comprises a rack, the interior of the rack is divided into an upper chamber and a lower chamber, a liquid cooling unit is arranged at the top of the upper chamber, a high-voltage box is arranged at the bottom of the liquid cooling unit, an energy storage converter is arranged at the bottom of the high-voltage box, and the lower chamber comprises a battery box group. The two sides of the rack are provided with shells, and the positions, corresponding to the upper chamber, of the tops of the shells are provided with filter screens, indicator lamps and emergency stop switches. According to the utility model, the system loss is reduced, the energy utilization rate is improved, the occupied area is small, and the system is suitable for various application scenes, such as grid-connected power generation, off-grid power supply, micro-grid and the like, and meets the energy requirements of different users.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage all-in-one machine technical field, concretely relates to 100kW 215kWh liquid cooling energy storage all-in-one machine. BACKGROUND

[0002] Energy storage all-in-one machine is a kind of energy storage technology, it converts the excess electric energy in power system into electric energy, and realizes the peak-valley power peak shaving, fault-tolerant power supply, standby power supply etc. to power grid system through a series of storage and release device. It can be applied to various power systems, reduces the transient of power grid, improves the electric energy utilization rate, makes up the problem of unbalanced power supply and demand, ensures the smooth power supply of power grid, so as to realize the energy saving, environmental protection of electric energy, greatly improves the development of domestic electric power industry and the quality of electrical equipment.

[0003] The existing energy storage all-in-one machine has two technical problems, ① the overall size is large, occupies the site layout greatly;② air conditioner air duct is above the machine, layout is not beautiful, and the battery cooling effect does not reach the best. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem to provide a kind of 100kW 215kWh liquid cooling energy storage all-in-one machine, reduces system loss, improves energy utilization rate, and the floor area is small, it is suitable for multiple application scenarios simultaneously, including grid-connected power generation, off-grid power supply and microgrid etc., meet the energy needs of different users.

[0005] In order to solve the above technical problems, the utility model provides a kind of 100kW 215kWh liquid cooling energy storage all-in-one machine, including rack, the upper chamber and lower chamber are formed in the rack, the upper chamber top is provided with liquid cooling unit, the liquid cooling unit bottom is provided with high pressure box, the high pressure box bottom is provided with energy storage converter, the lower chamber includes battery box group;The shell of the both sides of the rack is provided with filter screen, indicating lamp and emergency stop switch in the position corresponding to the upper chamber top.

[0006] Further, the surge protector is provided in the side of the energy storage converter in the upper chamber.

[0007] Further, including molded case circuit breaker and microcircuit breaker, all are set up in the upper chamber.

[0008] Further, the battery box group includes 5 interval arranged battery packs, each battery pack is using lithium iron phosphate battery, using 1P48S mode is formed, single cell is 3.2V, 280Ah, and each battery pack is composed of 1P48S module and 1 battery management unit.

[0009] Further, the energy storage converter adopts three-phase four-wire system, and the rated ac power is 100kW.

[0010] Further, the liquid cooling unit is composed of a compressor, a condenser, a throttling element, an evaporator, a water pump, an expansion tank, a PTC liquid heater and a control component.

[0011] Further, a touch screen is arranged on the shell at a position corresponding to the lower chamber.

[0012] The utility model discloses the beneficial effects are: 1) All-in-one design supports the quick construction installation on the spot,

[0013] 2) Long-life, high-safety battery, good consistency, long system life,

[0014] 3) Modular design, flexible matching different power application scenarios,

[0015] 4) Support multiple parallel machine expansion, can configure larger capacity demand,

[0016] 5) Multiple operating modes, increase investment income,

[0017] 6) Liquid cooling design, temperature difference is less than or equal to 3 DEG C. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the internal structure schematic diagram of the utility model.

[0019] Fig. 2 It is the external structure schematic diagram of the utility model.

[0020] Mark number explanation in drawing: 1, liquid cooling unit;2, high pressure box;3, energy storage converter;4, battery box group;5, surge protector;6, molded case circuit breaker;7, miniature circuit breaker;8, touch screen;9, pilot lamp;10, emergency stop switch;11, rack;12, upper chamber;13, lower chamber;14, shell;15, filter screen. DETAILED DESCRIPTION

[0021] The utility model is further explained in connection with the drawings and specific embodiment, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0022] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0023] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0024] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0026] It is to be understood that when an element such as a layer, region or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. It will be understood that, when a part is referred to as being "on" or "connected to" another part, it can be directly on or connected to the other part or intervening parts can be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0027] Referring to Figs. 1-2 As shown in the figure, an embodiment of the utility model discloses a 100kW-215kWh liquid cooling energy storage all-in-one machine, including frame 11, the frame 11 is divided into upper chamber 12 and lower chamber 13 in the portion, the upper chamber 12 top is provided with liquid cooling unit 1, the liquid cooling unit 1 bottom is provided with high pressure tank 2, the high pressure tank 2 bottom is provided with energy storage converter 3, the lower chamber 13 includes battery box group 4, the frame 11 both sides are provided with shell 14, the shell 14 top is provided with filter screen 15, indicating lamp 9 and emergency stop switch 10 in the position corresponding the upper chamber 12, the upper chamber 12 is provided with surge protector 5 in the side of energy storage converter 3, including molded case circuit breaker 6 and miniature circuit breaker 7, all are provided in the upper chamber 12, the shell 14 is provided with touch screen 8 in the position corresponding the lower chamber 13.

[0028] The lithium iron phosphate battery selected by the battery system is composed of 1P48S mode, the single battery cell is 3.2V280Ah, and the battery system is composed of five battery packs and one direct current control box.

[0029] The energy storage converter 3 (DC / AC) is three-phase four-wire system, and the rated AC power is 100kW, has bidirectional charge-discharge function, has over / under voltage protection, overcurrent protection, high temperature protection.

[0030] It also includes a fire extinguishing system, and the fire extinguishing system adopts a temperature-sensitive automatic fire extinguishing snout pipe filled with perfluorohexone medium.

[0031] The PCS and battery pack adopt liquid cooling unit 1 to radiate heat, and the liquid cooling unit 1 mainly comprises a compressor, a condenser, a throttling element, an evaporator, a water pump, an expansion tank, a PTC liquid heater and necessary control components.

[0032] Overall, the utility model adopts distributed layout, and the distributed energy storage all-in-one machine is a system integrated with energy storage converter 3 (PCS), battery, BMS, EMS, thermal management, power distribution and fire fighting and the like. Single cluster design is adopted. The air-cooled energy storage all-in-one machine integrates reactive power compensation and three-phase imbalance treatment, and simultaneously has application scenarios such as peak load shifting, demand management, transformer area expansion, virtual power plant and the like. Multiple groups of cabinets can be directly connected in parallel to realize energy storage system expansion and plug-and-play.

[0033] The above-described embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by technicians in the technical field on the basis of the utility model are within the protection scope of the utility model. The protection scope of the utility model is subject to the claims.

Claims

1. A 100kW-215kWh liquid-cooled energy storage integrated machine, characterized in that, Includes a frame (11), the frame (11) is divided into an upper chamber (12) and a lower chamber (13), the upper chamber (12) is equipped with a liquid cooling unit (1) at the top, the liquid cooling unit (1) is equipped with a high-voltage box (2) at the bottom, the high-voltage box (2) is equipped with an energy storage converter (3) at the bottom, and the lower chamber (13) includes a battery box group (4); The frame (11) is provided with a housing (14) on both sides. The top of the housing (14) is provided with a filter (15), an indicator light (9) and an emergency stop switch (10) corresponding to the position of the upper chamber (12).

2. The 100kW-215kWh liquid-cooled energy storage integrated machine as described in claim 1, characterized in that, A surge protector (5) is installed on the side of the energy storage converter (3) inside the upper chamber (12).

3. The 100kW-215kWh liquid-cooled energy storage integrated machine as described in claim 1, characterized in that, Both the molded case circuit breaker (6) and the miniature circuit breaker (7) are installed in the upper chamber (12).

4. The 100kW-215kWh liquid-cooled energy storage integrated machine as described in claim 1, characterized in that, The battery pack (4) includes five battery packs spaced apart. Each battery pack uses lithium iron phosphate batteries and is composed of 1P48S batteries. Each cell is 3.2V and 280Ah. Each battery pack consists of one 1P48S module and one battery management unit.

5. The 100kW-215kWh liquid-cooled energy storage integrated machine as described in claim 1, characterized in that, The energy storage converter (3) adopts a three-phase four-wire system with a rated AC power of 100kW.

6. The 100kW-215kWh liquid-cooled energy storage integrated machine as described in claim 1, characterized in that, The liquid cooling unit (1) consists of a compressor, condenser, throttling element, evaporator, water pump, expansion tank, PTC liquid heater and control components.

7. The 100kW-215kWh liquid-cooled energy storage integrated machine as described in claim 1, characterized in that, A touch screen (8) is provided on the outer casing (14) at a position corresponding to the lower chamber (13).

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