CN219498040U

CN219498040U - Battery compartment thermal management system of energy storage power station

Info

Publication number: CN219498040U
Application number: CN202320510143.1U
Authority: CN
Inventors: 史成宇; 王鹏飞; 马杰; 赵珈卉; 朱勇; 张斌; 刘明义; 王建星; 刘承皓; 郝晓伟; 杨超然; 平小凡; 白盼星; 段召容; 成前; 王娅宁; 周敬伦
Original assignee: Huaneng Clean Energy Research Institute; Huaneng New Energy Co Ltd Shanxi Branch
Current assignee: Huaneng Clean Energy Research Institute; Huaneng New Energy Co Ltd Shanxi Branch
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2023-08-08
Anticipated expiration: 2033-03-14

Abstract

The utility model provides a thermal management system of a battery compartment of an energy storage power station, which comprises the following components: the cabinet body is divided into two areas through the division board: the working room and the isolation room are respectively provided with an inlet and an outlet; a first battery cluster is placed in a working room, and a plurality of energy storage converters PCS are placed in the working room; a plurality of groups of second battery clusters which are arranged in series are arranged in the isolation room; the top of the cabinet body is provided with a cabinet body air channel, the surface of the cabinet body air channel facing the battery cluster is provided with a plurality of air conditioners and a plurality of illumination lamps at intervals, and an air outlet of the cabinet body air channel is provided with an exhaust fan; the first battery cluster and the plurality of groups of second battery clusters are provided with sensors for monitoring environmental information in the cabinet body in an attached mode. By the aid of the method, the air duct, the air path and the equipment in the battery compartment can be designed in an omnibearing and refined mode, so that the maximum heat dissipation potential and the maximum cooling potential are explored, and the heat management efficiency is improved.

Description

Battery compartment thermal management system of energy storage power station

Technical Field

The utility model belongs to the technical field of energy management, and relates to a battery compartment thermal management system of an energy storage power station.

Background

Under the background of building a novel power system taking new energy as a main body, an energy storage power station is gradually popularized and built as an important mode for promoting new energy consumption. Batteries are widely used in energy storage power station construction as an energy carrier with high energy density. However, the battery undergoes a complex process of physical and chemical interleaving during charge and discharge due to its own material characteristics, so that the battery energy storage power station runs at the risk of thermal runaway and even combustion explosion which are difficult to avoid, and the design of the battery thermal management system of the energy storage power station is of great importance. In an actual scene, the space in the battery compartment of the energy storage power station is limited, a plurality of heat dissipation cooling devices cannot be placed, and the heat management effect of the limited heat dissipation devices on the battery compartment is limited.

Disclosure of Invention

The utility model aims to provide a battery compartment thermal management system of an energy storage power station, which aims to carry out omnibearing fine design on an air duct, an air path and equipment placement in the battery compartment so as to discover the maximum heat dissipation and cooling potential and improve the thermal management efficiency.

To this end, the utility model proposes a thermal management system for a battery compartment of an energy storage power station, comprising: the cabinet body is divided into two areas through the division board: the working room and the isolation room are respectively provided with an inlet and an outlet;

a first battery cluster is placed in a working room, and a plurality of energy storage converters PCS are placed in the working room; a plurality of groups of second battery clusters which are arranged in series are arranged in the isolation room;

the top of the cabinet body is provided with a cabinet body air channel, the surface of the cabinet body air channel facing the battery cluster is provided with a plurality of air conditioners and a plurality of illumination lamps at intervals, and an air outlet of the cabinet body air channel is provided with an exhaust fan;

the first battery cluster and the plurality of groups of second battery clusters are provided with sensors for monitoring environmental information in the cabinet body in an attached mode.

Wherein the sensor comprises at least: temperature and humidity sensor, smoke sensor, water logging sensor and combustible gas sensor.

Cameras are respectively arranged in the working room and the isolation room to monitor the internal conditions of the working room and the isolation room.

The DN65 flange pipes are connected side by side through bolts to obtain the inner part of the outer wall of the cabinet body; and welding plate type flat welding flange plates on the inner side and the outer side of the outer wall of the cabinet body for fixation to obtain the outer wall of the cabinet body.

Wherein, a fire-fighting compartment is arranged in the isolation room and is arranged at one corner of the isolation room; a fire control panel and fire-fighting equipment are arranged in the fire-fighting compartment to extinguish fire when a fire is on.

Unlike the prior art, the thermal management system for the battery compartment of the energy storage power station provided by the utility model comprises: the cabinet body is divided into two areas through the division board: the working room and the isolation room are respectively provided with an inlet and an outlet; a first battery cluster is placed in a working room, and a plurality of energy storage converters PCS are placed in the working room; a plurality of groups of second battery clusters which are arranged in series are arranged in the isolation room; the top of the cabinet body is provided with a cabinet body air channel, the surface of the cabinet body air channel facing the battery cluster is provided with a plurality of air conditioners and a plurality of illumination lamps at intervals, and an air outlet of the cabinet body air channel is provided with an exhaust fan; the first battery cluster and the plurality of groups of second battery clusters are provided with sensors for monitoring environmental information in the cabinet body in an attached mode. By the aid of the method, the air duct, the air path and the equipment in the battery compartment can be designed in an omnibearing and refined mode, so that the maximum heat dissipation potential and the maximum cooling potential are explored, and the heat management efficiency is improved.

Drawings

The utility model and/or additional aspects and advantages will be apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a thermal management system for a battery compartment of an energy storage power station according to the present utility model.

Fig. 2 is a schematic structural diagram of a cabinet air duct in the thermal management system of the battery compartment of the energy storage power station.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Fig. 1 is a schematic diagram of a thermal management system for a battery compartment of an energy storage power station according to an embodiment of the present utility model. Comprising the following steps: the cabinet body 1, the cabinet body 1 is divided into two regions through the division board 2: a working room 11 and an isolation room 12, wherein the working room 11 and the isolation room 12 are respectively provided with an inlet and an outlet;

wherein, a first battery cluster 3 is arranged in a working room 11, and a plurality of energy storage converters 4 are arranged; a plurality of groups of second battery clusters 5 which are arranged in series are arranged in the isolation room 12; each energy storage converter 4 is connected with the first battery cluster 3 and the second battery cluster 5 according to the performance of the energy storage converter and the requirements of the battery clusters in the battery compartment so as to perform energy storage conversion control.

The top of the cabinet 1 is provided with a cabinet air channel 6, the surface of the cabinet air channel 6 facing the battery clusters is provided with a plurality of air conditioners 7 and a plurality of illuminating lamps 8 at intervals, and an air outlet of the cabinet air channel 6 is provided with an exhaust fan; the cabinet air duct 6 has a structure as shown in fig. 2, and includes two sets of first air duct pipes 61 and second air duct pipes 62 which are fixed on the top of the cabinet 1 in parallel, and a connecting pipe 63 for connecting the two. The air duct guide plate arranged in the cabinet air duct 6 adopts a multi-section structural design, so that the air quantity of each air opening is distributed more uniformly. A cold air compensation port is opened at the top end of the battery cluster, so that the temperature balance among the plug boxes is ensured.

The air outlets of the cabinet air duct 6 are positioned at the inlet and outlet positions of the two ends of the cabinet 1 and used for the working room 11 and the isolation room 12; the surface of the isolation plate 2 is provided with a through air outlet, and cold air exhausted by the air conditioner 7 arranged in the isolation room 12 passes through the air outlet and enters the working room 11. The cabinet air duct 6 adopts the design of an arc air duct and a parallel air duct, and the relative positions of the industrial air conditioner and the battery clusters are reasonably configured, so that the temperature uniformity among the battery clusters is ensured. The air conditioner 7 is an industrial air conditioner, has heating and refrigerating functions, and can adjust the temperature conditions in the cabinet body under different temperature conditions. The top of the cabinet body 1 is provided with the integral air duct and is provided with the fan, so that the temperature distribution at the top of the cabinet body 1 is uniform, the flow and the flow velocity of cold air can be improved, and the convection heat transfer coefficient is increased.

The first battery cluster 3 and the plurality of groups of second battery clusters 5 are provided with sensors for monitoring the environmental information in the cabinet body in an attached mode.

Further, the battery cluster supports and fixes the module through the bottom girder lifting structure, so that the contact area between the surface of the module and cooling air is effectively increased while weight reduction is realized, and the heat management performance is improved; the guiding structure is added at the air port to effectively control the cooling air quantity and the air direction, so that the air quantity of each electric core inside the module is ensured to be uniform. And determining the heat productivity of the battery according to the equivalent charge-discharge multiplying power, determining the heat load demand by considering the heat of devices such as a fan, an auxiliary power supply and the like and the heat exchange demand with the external environment, and selecting 4 20kW integrated variable-frequency air conditioners.

As shown in fig. 1, two temperature and humidity sensors 101 and 102 are disposed on the surface of the second battery cluster 5 in the isolation room 12 to monitor the temperature and humidity conditions at different positions in the isolation room 12; in addition, a temperature and humidity sensor 103 is also provided in the workroom 11 to monitor the temperature and humidity conditions in the workroom.

At the same time, three smoke sensors 201, 202 and 203 are provided on the surface of the second battery cluster 5 in the compartment 102 to monitor smoke conditions at different locations in the compartment 12.

A water sensor 301 is provided in the isolation room 12 at a position close to the floor of the isolation board 2 to monitor the water level in the isolation room 12.

The combustible gas sensor includes CO combustible gas sensor 401 and H ₂ The combustible gas sensors 402 are all arranged on the surface of the second battery cluster 5 to monitor the CO combustible gas and H in the isolation room 12 ₂ The concentration of the combustible gas.

The first camera 501 and the second camera 502 are respectively arranged in the working room 11 and the isolation room 12 to monitor the internal conditions of the working room and the isolation room.

The DN65 flange pipes are connected side by side through bolts to obtain the inner part of the outer wall of the cabinet body 1; and welding plate type flat welding flange plates on the inner side and the outer side of the outer wall of the cabinet body 1 to fix the flat welding flange plates, thereby obtaining the outer wall of the cabinet body 1. The cabinet body 1 has good heat preservation performance, effectively reduces heat exchange with the outside, ensures the thermal performance of the system and obviously reduces the energy consumption of the system.

Wherein, a fire-fighting compartment 121 is arranged in the isolation room 12 and is arranged at one corner of the isolation room 12; a fire control panel and fire equipment are provided in the fire compartment 121 to extinguish the fire upon a fire.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and additional implementations are included within the scope of the preferred embodiment of the present utility model in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order from that shown or discussed, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present utility model.

Although embodiments of the present utility model have been shown and described above, it will be understood that the embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. An energy storage power station battery compartment thermal management system, comprising:

the cabinet body, the cabinet body is divided into two regions through the division board: the device comprises a working room and an isolation room, wherein the working room and the isolation room are respectively provided with an inlet and an outlet;

a first battery cluster is placed in the workshop, and a plurality of energy storage converters PCS are placed in the workshop; a plurality of groups of second battery clusters which are arranged in series are arranged in the isolation room;

and sensors for monitoring the internal environment information of the cabinet body are attached to the first battery cluster and the plurality of groups of second battery clusters.

2. The energy storage power station cell compartment thermal management system of claim 1, wherein the sensor types include at least: temperature and humidity sensor, smoke sensor, water logging sensor and combustible gas sensor.

3. The thermal management system of the battery compartment of the energy storage power station of claim 1, wherein cameras are respectively disposed in the working room and the isolation room to monitor the internal conditions of the working room and the isolation room.

4. The thermal management system of the battery compartment of the energy storage power station of claim 1, wherein DN65 flanged pipes are connected side by bolts to obtain the interior of the outer wall of the cabinet; and welding plate type flat welding flanges on the inner side and the inner side of the outer wall of the cabinet body to fix the flat welding flanges, so as to obtain the outer wall of the cabinet body.

5. The thermal management system of the battery compartment of the energy storage power station of claim 1, wherein a fire compartment is disposed within the compartment and positioned at a corner of the compartment; the fire control panel and the fire-fighting equipment are arranged in the fire-fighting compartment so as to perform fire-fighting and fire-extinguishing when a fire is started.