CN-122000534-A - Energy storage cabinet and control method thereof

Abstract

The application discloses an energy storage cabinet and a control method thereof.A first air channel, a second air channel and a mounting cavity are arranged in a cabinet body, an air inlet of the cabinet body is communicated with the mounting cavity through the first air channel and the second air channel respectively, and the mounting cavity is communicated with an air outlet of the cabinet body; the energy storage module is arranged in the mounting cavity, the phase change module is arranged in the first air channel, at least part of the fresh air component is arranged in the second air channel, the air exhaust component is arranged on the airflow path of the mounting cavity and the air outlet, the airflow entering from the air inlet is sequentially discharged through the second air channel, the mounting cavity and the air outlet when both the fresh air component and the air exhaust component are in an open state, the airflow entering from the air inlet is sequentially discharged through the first air channel, the mounting cavity and the air outlet when the air exhaust component is in an open state, and the airflow entering from the air inlet is circulated among the second air channel, the mounting cavity and the first air channel when the air exhaust component is in a closed state and the fresh air component is in an open state.

Inventors

• ZHAO XIAODAN
• HE QIAN
• CHE CHEN
• LI BIN
• LI CAN
• WANG WEI
• LIU BAOCHANG
• LI YUSHENG
• SONG XIAOWEI
• GUO YUYAO
• ZHAO HEPENG
• ZHU LIN
• ZHU JIAYI

Assignees

• 中移能源科技(北京)有限公司
• 中国移动通信集团设计院有限公司
• 中国移动通信集团有限公司
• 中国移动通信集团四川有限公司
• 中国移动通信集团云南有限公司

Dates

Publication Date

20260508

Application Date

20251222

Claims (10)

1. 1. The energy storage cabinet is characterized by comprising a cabinet body, an energy storage module, a phase change module, a fresh air component and an exhaust component; the cabinet body is provided with an air inlet and an air outlet, a first air channel, a second air channel and a mounting cavity are formed in the cabinet body, the air inlet is communicated with the mounting cavity through the first air channel and the second air channel respectively, and the mounting cavity is communicated with the air outlet; The energy storage module is arranged in the installation cavity, the phase change module is arranged in the first air duct, at least part of the fresh air component is arranged in the second air duct, and the exhaust component is positioned on the airflow paths of the installation cavity and the exhaust outlet; The air flow entering from the air inlet is sequentially discharged through the second air channel, the mounting cavity and the air outlet when the fresh air component and the air exhaust component are in an opening state, the air flow entering from the air inlet is sequentially discharged through the first air channel, the mounting cavity and the air outlet when the air exhaust component is in an opening state and the fresh air component is in a closing state, and the air flow entering from the air inlet circulates among the second air channel, the mounting cavity and the first air channel when the air exhaust component is in a closing state and the fresh air component is in an opening state.
2. 2. The energy storage cabinet of claim 1, wherein the phase change module comprises a plurality of sub-modules, the plurality of sub-modules are respectively positioned and installed in the first air duct, an air flow channel is arranged between every two adjacent sub-modules, and the air inlet is communicated with the installation cavity through the air flow channel.
3. 3. The energy storage cabinet according to claim 1, wherein a first partition plate and a second partition plate are arranged in the cabinet body, the first partition plate divides the interior of the cabinet body into the installation cavity and the air channel space, and the second partition plate is arranged in the air channel space and forms a preset included angle with the first partition plate so as to divide the air channel space into the first air channel and the second air channel; The air conditioner comprises a first air duct, a second air duct, a first partition plate, a second partition plate, a fresh air component, a first installation hole, a second installation hole and a fresh air component, wherein a plurality of ventilation holes are formed in the area, opposite to the first air duct, of the first partition plate, the ventilation holes are communicated with the first air duct and the installation cavity, a first installation hole is formed in the area, opposite to the second air duct, of the first partition plate, the first installation hole is communicated with the second air duct and the installation cavity, and at least part of the fresh air component is arranged in the first installation hole.
4. 4. The energy storage cabinet of claim 1, wherein a flow homogenizing plate is arranged between the air inlet and the first air duct and between the air inlet and the second air duct, the flow homogenizing plate is provided with a plurality of meshes, and the air inlet is respectively communicated with the first air duct and the second air duct through a plurality of the meshes.
5. 5. The energy storage cabinet according to claim 1, wherein the cabinet body comprises a bottom plate, a top cover and a plurality of side plates, wherein the bottom plate is arranged opposite to the top plate and is connected with the side plates; the top plate is provided with a second mounting hole which is communicated with the mounting cavity and the overflow space, and at least part of the air exhaust assembly is arranged in the second mounting hole so that air in the mounting cavity flows through the air exhaust assembly, the overflow space and the air exhaust opening to be exhausted.
6. 6. The energy storage cabinet according to claim 1, wherein the fresh air component and the exhaust component have the same structure and each comprise a fan and a damper, and the damper is installed in an internal channel of the fan and used for controlling the opening or closing of the internal channel; the fan of new trend subassembly is located in the second wind channel, the fan of exhaust subassembly is located the installation cavity with on the air current path of air exit.
7. 7. The energy storage cabinet according to claim 1, wherein the energy storage module comprises a mounting frame and a plurality of energy storage batteries, the mounting frame is positioned and mounted in the cabinet body, the mounting frame is provided with a plurality of mounting positions which are arranged in a stacked manner, and the plurality of energy storage batteries are correspondingly placed on the mounting positions; the energy storage cabinet further comprises a controller, and the controller is respectively and electrically connected with the fresh air component, the exhaust component and the temperature sensor.
8. 8. A control method of an energy storage cabinet, applied to the energy storage cabinet of any one of claims 1 to 7, characterized in that the control method comprises: judging whether the current moment is in a preset period; When the current moment is in the preset period, controlling the fresh air component and the exhaust component to be in an open state so that air flow entering from the air inlet is sequentially exhausted through the second air duct, the mounting cavity and the exhaust outlet; judging whether the ambient temperature is smaller than the critical temperature of the phase change module, and controlling the energy storage module to be in a charging state under the condition that the ambient temperature is smaller than the critical temperature; judging whether the working temperature of the energy storage module is smaller than the working upper limit temperature, and controlling the energy storage module to stop charging under the condition that the working temperature is not smaller than the working upper limit temperature; After the energy storage module finishes charging, the air exhaust assembly is controlled to be in an open state, and the fresh air assembly is controlled to be in a closed state, so that air flow entering from the air inlet is sequentially discharged through the first air duct, the mounting cavity and the air outlet.
9. 9. The control method of an energy storage cabinet according to claim 8, wherein after said determining whether the current time is within a preset period of time, the control method further comprises: Judging whether the ambient temperature is less than the critical temperature of the phase change module or not under the condition that the current time is not in the preset period, and controlling the energy storage module to be in a discharge state under the condition that the ambient temperature is less than the critical temperature; Judging whether the working temperature of the energy storage module is smaller than the upper limit temperature of working or not; When the working temperature is smaller than the upper limit temperature, controlling the fresh air component and the exhaust component to be in an open state; And under the condition that the working temperature is not less than the upper limit temperature of the working, controlling the fresh air component to be in an open state and the exhaust component to be in a closed state so as to enable the air flow entering the air inlet to circulate among the second air channel, the mounting cavity and the first air channel.
10. 10. The method of claim 9, wherein after determining whether the ambient temperature is less than the critical temperature of the phase change module, the method further comprises: Judging whether the working temperature of the energy storage module is smaller than the working upper limit temperature or not under the condition that the ambient temperature is not smaller than the critical temperature; When the working temperature is smaller than the upper limit temperature, controlling the fresh air component and the exhaust component to be in an open state; And under the condition that the working temperature is not less than the upper limit temperature, controlling the fresh air component to be in an open state and controlling the exhaust component to be in a closed state.

Description

Energy storage cabinet and control method thereof Technical Field The application relates to the technical field of energy storage equipment, in particular to an energy storage cabinet and a control method thereof. Background With the development of new energy technology, the energy storage cabinet is used as core equipment for electric energy storage and scheduling, and is widely applied to the scenes of household energy storage, industrial energy storage, power grid energy storage and the like. The inside a large amount of energy storage batteries that integrate generally of energy storage cabinet can continuously produce the heat at charge and discharge in-process, if the heat can't in time give off, can lead to energy storage battery temperature to rise, not only can reduce energy storage battery's charge and discharge efficiency, still probably initiate potential safety hazards such as battery bulge, fire, seriously influence energy storage cabinet's job stabilization nature and life. In the related art, the heat dissipation mode of the energy storage cabinet is mostly single fresh air heat dissipation or air conditioner heat dissipation. The fresh air heat dissipation depends on the ambient temperature, when the ambient temperature is higher, the heat dissipation effect is greatly reduced, and the air conditioner heat dissipation needs to operate the compressor for a long time, so that the energy consumption is higher. Accordingly, there is a need to provide a solution that can guarantee heat dissipation efficiency at lower power consumption. Disclosure of Invention The application discloses an energy storage cabinet and a control method thereof, which are used for solving the problems of poor heat dissipation effect or higher energy consumption in a heat dissipation mode of the energy storage cabinet in the related art. In order to solve the technical problems, the application is realized as follows: In a first aspect, an embodiment of the application discloses an energy storage cabinet, which comprises a cabinet body, an energy storage module, a phase change module, a fresh air component and an exhaust component; the cabinet body is provided with an air inlet and an air outlet, a first air channel, a second air channel and a mounting cavity are formed in the cabinet body, the air inlet is communicated with the mounting cavity through the first air channel and the second air channel respectively, and the mounting cavity is communicated with the air outlet; The energy storage module is arranged in the installation cavity, the phase change module is arranged in the first air duct, at least part of the fresh air component is arranged in the second air duct, and the exhaust component is positioned on the airflow paths of the installation cavity and the exhaust outlet; The air flow entering from the air inlet is sequentially discharged through the second air channel, the mounting cavity and the air outlet when the fresh air component and the air exhaust component are in an opening state, the air flow entering from the air inlet is sequentially discharged through the first air channel, the mounting cavity and the air outlet when the air exhaust component is in an opening state and the fresh air component is in a closing state, and the air flow entering from the air inlet circulates among the second air channel, the mounting cavity and the first air channel when the air exhaust component is in a closing state and the fresh air component is in an opening state. Optionally, the phase change module includes a plurality of submodules, a plurality of submodules respectively the location install in the first wind channel, and adjacent have the air current passageway between the submodule, the air intake passes through the air current passageway with the installation cavity intercommunication. Optionally, a first partition board and a second partition board are arranged in the cabinet body, the first partition board divides the interior of the cabinet body into the installation cavity and the air channel space, and the second partition board is arranged in the air channel space and forms a preset included angle with the first partition board so as to divide the air channel space into the first air channel and the second air channel; The air conditioner comprises a first air duct, a second air duct, a first partition plate, a second partition plate, a fresh air component, a first installation hole, a second installation hole and a fresh air component, wherein a plurality of ventilation holes are formed in the area, opposite to the first air duct, of the first partition plate, the ventilation holes are communicated with the first air duct and the installation cavity, a first installation hole is formed in the area, opposite to the second air duct, of the first partition plate, the first installation hole is communicated with the second air duct and the installation cavity, and at least part of the fresh air componen