Energy storage all-in-one machine

Abstract

The utility model discloses an energy storage all-in-one machine, which comprises a standard cabinet and a cabinet door, the standard cabinet is divided into an upper layer cabinet and a lower layer cabinet, a battery module and a fire extinguishing system arranged above the battery module are arranged in the upper layer cabinet, the battery module comprises a plurality of electricity boxes arranged side by side, and the electricity boxes are connected with the cabinet door. The fire extinguishing system comprises perfluorohexanone fire extinguishing devices and composite detectors, the perfluorohexanone fire extinguishing devices are installed at the tops of the multiple electric boxes, the composite detectors for detecting thermal runaway data in the electric boxes are installed in the multiple electric boxes, and a main control box, a PCS system and a liquid cooling system are arranged in the lower-layer cabinet. According to the utility model, the structure is simple, the main control box, the PCS system, the liquid cooling system and the like are arranged in the lower cabinet, maintenance by maintenance personnel is facilitated, the safety of the maintenance personnel is greatly ensured, wire harnesses in the whole electric cabinet are arranged in order and combined together and are clear at a glance, and the used rapid plugging structure is convenient to install and also convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of integrated energy storage machines, in particular to an integrated energy storage machine. Background Art

[0002] With the rapid development of the new energy industry, various energy storage systems are becoming more and more numerous, and the demand is also increasing. Nowadays, the penetration rate of energy storage photovoltaics has greatly increased. At the same time, as an energy storage device that can store photovoltaic solar energy and municipal electricity for use as a backup power source, it has been widely used in the field of energy storage technology.

[0003] The photovoltaic storage system can effectively alleviate the problem of increasing grid load, and correspondingly reduce the construction costs of line transformation and replacement of large-capacity transformers; the photovoltaic storage system can store excess electricity in the energy storage battery, which can be released at night when the electricity load is high, thereby increasing additional income for users; improve user voltage instability and high voltage problems at the end of the line by charging and discharging the battery; and alleviate the impact of simultaneous power generation and shutdown of photovoltaic inverters on grid stability and impact.

[0004] At present, the battery modules of the integrated energy storage machines on the market are generally located at the bottom of the box, while the photovoltaic storage system and other systems such as BMS are located above the box. The location is high, which makes inspection and maintenance inconvenient, and the wiring is messy and prone to failure. Secondly, the battery pack is in the battery box and generates severe heat, which makes the photovoltaic energy storage system prone to failure and frequent maintenance. In addition, the overall weight is heavy, and installation and disassembly are very inconvenient. Therefore, an integrated energy storage machine is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide an integrated energy storage device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy storage integrated machine, comprising a standard cabinet and a cabinet door, the standard cabinet is divided into an upper cabinet and a lower cabinet, a battery module and a fire protection system arranged above the battery module are arranged in the upper cabinet, the battery module comprises a plurality of electrical boxes arranged side by side, the fire protection system comprises a perfluorohexanone fire extinguishing device and a composite detector installed on the top wall of the standard cabinet cavity, and a main control box, a PCS system and a liquid cooling system are arranged in the lower cabinet.

[0007] As a further solution of the utility model: the number of cabinet doors is two groups, and the two groups of cabinet doors are respectively located at the front and rear end faces of the standard cabinet. Each group of cabinet doors includes upper cabinet doors and lower cabinet doors, which are respectively located at the openings of the upper cabinet and the lower cabinet. A manual emergency stop power-off button is provided on the upper cabinet door located at the front end face.

[0008] As a further solution of the utility model: a plurality of battery cells and a CSC are arranged inside the electric box, and the CSC is responsible for collecting the voltage and temperature of the batteries inside the battery module.

[0009] As a further solution of the utility model: the liquid cooling system includes a liquid cooling pipe that runs from the lower cabinet to the upper cabinet, and the liquid cooling pipe is respectively arranged under each electric box, and the liquid cooling pipe adopts a flow channel design.

[0010] As a further solution of the utility model: a ventilation hole group is opened on the lower cabinet door, and a filter net is arranged in the ventilation hole group.

[0011] As a further solution of the utility model: a plurality of lifting rings are installed on the upper end surface of the standard cabinet.

[0012] As a further solution of the utility model: the perfluorohexanone fire extinguishing device includes a fire sprinkler and a valve, and the fire sprinkler and the valve are both installed on the top of the inner cavity of the standard cabinet.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By placing the main control box, PCS system, liquid cooling system, etc. in the lower cabinet, it is convenient for maintenance personnel to maintain and greatly ensure the safety of maintenance personnel. The wiring harnesses in the entire electric cabinet are neatly arranged and merged together, which is clear at a glance. The quick plug-in structure used is convenient for installation and maintenance.

[0015] 2. Through the setting of perfluorohexanone fire extinguishing device and composite detector, the environmental conditions inside the standard cabinet can be detected in real time. When a fire occurs inside the standard cabinet, the perfluorohexanone fire extinguishing device can respond immediately and extinguish it accurately, achieving better protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of a standard cabinet of the present utility model;

[0017] Figure 2 This is a schematic diagram of the interior of a standard cabinet of the present utility model;

[0018] Figure 3 This is a schematic diagram of the top of the inner cavity of a standard cabinet of the present utility model;

[0019] In the figure: 1. Standard cabinet; 2. Cabinet door; 3. Lifting ring; 4. Manual emergency stop power-off button; 5. Ventilation hole group; 6. Battery module; 7. Fire protection system; 8. Main control box; 9. PCS system; 10. Liquid cooling system. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 In an embodiment of the utility model, an energy storage integrated machine includes a standard cabinet 1 and a cabinet door 2, characterized in that the standard cabinet 1 is divided into an upper cabinet and a lower cabinet, a battery module 6 and a fire protection system 7 arranged above the battery module 6 are arranged in the upper cabinet, the battery module 6 includes a plurality of electric boxes arranged side by side, a plurality of battery cells and a CSC are arranged inside the electric box, the CSC is responsible for collecting the voltage and temperature of the battery inside the battery module, the fire protection system 7 includes a perfluorohexanone fire extinguishing device and a composite detector installed on the top wall of the cavity of the standard cabinet 1, the perfluorohexanone fire extinguishing device includes a fire sprinkler and a valve, the fire sprinkler and the valve are both installed on the top of the inner cavity of the standard cabinet 1, and a main control box 8, a PCS system 9 and a liquid cooling system 10 are arranged in the lower cabinet.

[0022] Specifically, the electrical box is also equipped with a perfluorohexanone fire extinguishing device and a composite detector. The composite detector is used to detect data such as CO, temperature, VOC, smoke, etc. inside the standard cabinet 1 and the electrical box, and then transmit the detected data to the perfluorohexanone fire extinguishing device. When the detected data is abnormal, the valve of the perfluorohexanone fire extinguishing device is opened and the fire sprinkler is used to extinguish the electrical box, effectively suppressing the increase of the fire. Secondly, the main control box 8, PCS system 9 and liquid cooling system 10 are arranged in the lower cabinet, which greatly ensures the safety of maintenance personnel. The wiring harness in the entire electrical cabinet is neatly arranged and merged together, which is clear at a glance. The quick plug-in structure used is convenient for installation and maintenance. The standard cabinet 1 is also equipped with an independent UPS, which can be debugged, monitored and powered in the event of a power outage.

[0023] See also Figure 1 In one embodiment, in this embodiment, preferably, the number of cabinet doors 2 is two groups, and the two groups of cabinet doors 2 are respectively located at the front and rear end surfaces of the standard cabinet 1, and each group of cabinet doors 2 includes an upper cabinet door and a lower cabinet door, which are respectively located at the openings of the upper cabinet and the lower cabinet, and a manual emergency stop power-off button 4 is provided on the upper cabinet door located at the front end surface to further ensure safety.

[0024] Specifically, in order to facilitate the assembly of devices inside the standard cabinet 1 , openings are provided at both the front and rear ends of the standard cabinet 1 . Compared with a standard cabinet 1 having an opening only at the front end, the efficiency of maintenance or assembly is higher.

[0025] See also Figure 1 In one embodiment, in this embodiment, preferably, the liquid cooling system includes a liquid cooling pipe running from the lower cabinet to the upper cabinet, and the liquid cooling pipe is respectively arranged under each electric box, and the liquid cooling pipe adopts a flow channel design. Furthermore, the liquid cooling pipe with a flow channel design can ensure that the module can be cooled evenly, which can not only avoid the battery temperature from being too high, but also prevent other situations such as battery fire, and has higher safety.

[0026] See also Figure 1 In one embodiment, in this embodiment, preferably, a ventilation hole group 5 is opened on the lower cabinet door, and a filter net is provided in the ventilation hole group 5, which greatly ensures the waterproof and moisture-proof performance.

[0027] See also Figure 1 In one embodiment, in this embodiment, preferably, a plurality of lifting rings 3 are installed on the upper end surface of the standard cabinet 1 to facilitate the lifting of the standard cabinet 1 .

[0028] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0029] Therefore, the above description is only a preferred embodiment of the present application and is not intended to limit the scope of implementation of the present application; that is, all equivalent changes made according to the scope of the claims of the present application are within the protection scope of the claims of the present application.

Claims

1. An integrated energy storage device, comprising a standard cabinet (1) and a cabinet door (2), characterized in that: The standard cabinet (1) is divided into an upper cabinet and a lower cabinet. A battery module (6) and a fire protection system (7) arranged above the battery module (6) are arranged in the upper cabinet. The battery module (6) includes a plurality of electric boxes arranged side by side. The fire protection system (7) includes a perfluorohexanone fire extinguishing device and a composite detector installed on the top wall of the cavity of the standard cabinet (1). A main control box (8), a PCS system (9) and a liquid cooling system (10) are arranged in the lower cabinet.

2. The energy storage integrated machine according to claim 1, characterized in that: The cabinet doors (2) are provided in two groups, and the two groups of cabinet doors (2) are respectively located at the front and rear end surfaces of the standard cabinet (1); each group of cabinet doors (2) comprises an upper cabinet door and a lower cabinet door, which are respectively located at the openings of the upper cabinet and the lower cabinet; a manual emergency stop power off button (4) is provided on the upper cabinet door located at the front end surface.

3. The energy storage integrated machine according to claim 1, characterized in that: The battery box is provided with a plurality of battery cells and a CSC, and the CSC is responsible for collecting the voltage and temperature of the battery inside the battery module.

4. The energy storage integrated machine according to claim 1, characterized in that: The liquid cooling system includes a liquid cooling pipe that runs from the lower cabinet to the upper cabinet, and the liquid cooling pipe is respectively arranged under each electric box, and the liquid cooling pipe adopts a flow channel design.

5. The integrated energy storage device according to claim 2, characterized in that: A ventilation hole group (5) is provided on the lower cabinet door, and a filter screen is provided inside the ventilation hole group (5).

6. The integrated energy storage device according to claim 1, characterized in that: A plurality of lifting rings (3) are installed on the upper end surface of the standard cabinet (1).

7. The integrated energy storage device according to claim 1, characterized in that: The perfluorohexanone fire extinguishing device comprises a fire sprinkler and a valve, and the fire sprinkler and the valve are both installed on the top of the inner cavity of the standard cabinet (1).

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