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CN-224232737-U - Energy storage cabinet

CN224232737UCN 224232737 UCN224232737 UCN 224232737UCN-224232737-U

Abstract

The application relates to the technical field of energy storage, in particular to an energy storage cabinet. The energy storage cabinet comprises a cabinet body, a battery and an air inlet dustproof structure, wherein the cabinet body comprises an air inlet and an air outlet, the battery is accommodated in an accommodating cavity of the cabinet body, the air inlet dustproof structure comprises a front air inlet bin and a rear air inlet bin, the rear air inlet bin is fixed to the air inlet of the cabinet body, the rear air inlet bin comprises a mounting surface exposing the air inlet, the rear air inlet bin comprises a second inlet and a second outlet, the second inlet is located on the mounting surface and is communicated with the accommodating cavity of the cabinet body, the front air inlet bin is detachably arranged on the mounting surface and comprises a first inlet and a first outlet, the first inlet is arranged on the surface of the front air inlet bin, facing the bottom surface of the cabinet body, the first outlet is communicated with the second inlet, the first inlet is provided with an air inlet filtering structure, and the second outlet is provided with an air outlet filtering structure. This energy storage cabinet has still compromise good dustproof effect when guaranteeing the intake.

Inventors

  • CHEN LEI
  • QU YUAN

Assignees

  • 华为技术有限公司

Dates

Publication Date
20260512
Application Date
20250226

Claims (11)

  1. 1. The energy storage cabinet is characterized by comprising a box body, a battery and an air inlet dustproof structure; the box body comprises an air inlet and an air outlet, and the battery is accommodated in the accommodating cavity of the box body; The air inlet dustproof structure comprises a front air inlet bin and a rear air inlet bin, the rear air inlet bin is fixed at the air inlet of the box body, the rear air inlet bin comprises a mounting surface exposing the air inlet, the rear air inlet bin comprises a second inlet and a second outlet, the second inlet is positioned on the mounting surface, and the second outlet is positioned in the box body and communicated with the accommodating cavity of the box body; The front air inlet bin is detachably arranged on the mounting surface, the front air inlet bin comprises a first inlet and a first outlet, the first inlet is arranged on the surface of the front air inlet bin, which faces the bottom surface of the box body, and the first outlet is communicated with the second inlet; the first inlet is provided with an air inlet filtering structure, and the second outlet is provided with an air outlet filtering structure.
  2. 2. The energy storage cabinet of claim 1, wherein the inlet air filter structure comprises a first inlet air honeycomb layer and a second inlet air honeycomb layer arranged in a stacked manner along the air flow direction of the first inlet, and wherein the aperture of the first inlet air honeycomb layer is larger than the aperture of the second inlet air honeycomb layer.
  3. 3. The energy storage cabinet of claim 2, wherein the air intake filter structure further comprises air intake filter cotton, the air intake filter cotton is disposed on an air outlet side of the second air intake honeycomb layer, and the aperture of the air intake filter cotton is smaller than the aperture of the second air intake honeycomb layer; the rigidity of the air inlet filter cotton is smaller than that of the first air inlet honeycomb layer and that of the second air inlet honeycomb layer.
  4. 4. The energy storage cabinet of claim 2, wherein the thickness of the first air intake honeycomb layer is greater than the thickness of the second air intake honeycomb layer.
  5. 5. The energy storage cabinet of claim 1, wherein the first inlet is spaced from the ground less than the first outlet and the second outlet is spaced from the ground more than the second inlet in a first direction, the first direction being a direction of gravity.
  6. 6. The energy storage cabinet of claim 5, wherein the rear air inlet bin comprises an air deflector, the top end of the air deflector is fixed on the inner wall of the rear air inlet bin along the first direction, and a gap exists between the bottom end of the air deflector and the inner wall of the rear air inlet bin; A first channel is formed between the surface of the air deflector facing the front air inlet bin and the inner wall of the rear air inlet bin, and the first channel is communicated with the second inlet of the rear air inlet bin and the gap; A second channel is formed between the surface of the air deflector, which is away from the front air inlet bin, and the inner wall of the rear air inlet bin, and the second channel is communicated with the second outlet of the rear air inlet bin and the gap.
  7. 7. The energy storage cabinet of claim 6, wherein a surface of the air deflector facing the front air inlet bin comprises an air guiding plane and an air guiding inclined plane, and a distance between the air guiding plane and a bottom surface of the box body is greater than a distance between the air guiding inclined plane and the bottom surface of the box body along the first direction; the air guide inclined plane is inclined relative to the air guide plane to the side far away from the front air inlet bin.
  8. 8. The energy storage cabinet of claim 5, wherein said second outlet is located at least one of a top of said rear air intake compartment remote from said bottom surface of said cabinet and a side wall of said air intake compartment remote from said front air intake compartment.
  9. 9. The energy storage cabinet of claim 1, wherein the air-out filtering structure comprises air-out honeycomb layers and air-out filter cotton which are arranged in a stacked manner along the air flow direction of the second outlet, the aperture of the air-out honeycomb layers is larger than that of the air-out filter cotton, and the rigidity of the air-out filter cotton is smaller than that of the air-out honeycomb layers.
  10. 10. The energy storage cabinet of claim 1, wherein at least one of the first outlet and the second inlet is provided with an intermediate filter structure covering either the first outlet or the second inlet.
  11. 11. The energy storage cabinet of any one of claims 1-10, wherein a distance between the air inlet and the air outlet is greater than a dimension of the space within the cabinet in a first direction, a second direction, and a third direction, the first direction, the second direction, and the third direction being perpendicular to each other, the first direction being a direction of gravity; along the first direction, the distance between the air inlet and the bottom surface of the box body is smaller than the distance between the air outlet and the bottom surface of the box body.

Description

Energy storage cabinet Technical Field The application relates to the technical field of energy storage, in particular to an energy storage cabinet. Background In recent years, global climate change is widely focused by all human beings, and the reduction of carbon emission and the search for new energy are important development points in the current energy field. The effective utilization of renewable energy sources such as traditional wind energy, solar energy and the like can improve the effectiveness and the persistence of new energy sources, and an energy storage system is an important one. Lithium ion batteries are widely used in large energy storage systems because of their advantages of cleanliness, high cycle times, no memory effect, and the like. The lithium battery is in thermal runaway, a large amount of combustible gas is generated, and the combustible gas is easy to cause explosion risk due to volume aggregation. The energy storage cabinet for loading the lithium ion battery needs to be provided with a smoke discharging and ventilation channel so as to reduce the risk of the lithium ion battery out of control. Because the container is generally arranged outdoors and even in a scene with a severe environment such as a desert, the smoke exhaust ventilation channel ensures smooth air flow and simultaneously needs to have dustproof effect. Disclosure of utility model The application provides an energy storage cabinet, which ensures the air inlet quantity of the energy storage cabinet and has good dustproof effect. The application provides an energy storage cabinet which comprises a box body, a battery and an air inlet dustproof structure, wherein the box body comprises an air inlet and an air outlet, the battery is accommodated in an accommodating cavity of the box body, the air inlet dustproof structure comprises a front air inlet bin and a rear air inlet bin, the rear air inlet bin is fixed to the air inlet of the box body, the rear air inlet bin comprises a mounting surface exposing the air inlet, the rear air inlet bin comprises a second inlet and a second outlet, the second inlet is arranged on the mounting surface, the second outlet is arranged in the box body and is communicated with the accommodating cavity of the box body, the front air inlet bin is detachably arranged on the mounting surface, the front air inlet bin comprises a first inlet and a first outlet, the first inlet is arranged on the surface of the front air inlet bin, which faces the bottom surface of the box body, the first outlet is communicated with the second inlet, the first inlet is provided with an air inlet filtering structure, and the second outlet is provided with an air outlet filtering structure. Above-mentioned energy storage cabinet, the front air inlet storehouse and the back air inlet storehouse of air inlet dustproof construction can form the air current passageway in the battery compartment that supplies external air to get into the box. The air inlet filtration that preceding air inlet storehouse comprised can carry out impurity filtration to the air that gets into air inlet dustproof construction, and the air outlet filtration that back air inlet storehouse comprised can carry out impurity filtration to the air of discharge air inlet dustproof construction, can reach better dustproof filter effect through this twice filtration. The front air inlet bin and the rear air inlet bin are detachably connected, and when one of the front air inlet bin and the rear air inlet bin has a failure in the filtering structure, the other filtering structure can continuously play a role in dustproof filtering. Meanwhile, the front air inlet bin and the rear air inlet bin are detachably connected, and the detachable air inlet device has the advantage of convenience in installation and maintenance. In one embodiment, the air inlet filter structure includes a first air inlet honeycomb layer and a second air inlet honeycomb layer arranged in a stack along an air flow direction of the first inlet, wherein an aperture of the first air inlet honeycomb layer is larger than an aperture of the second air inlet honeycomb layer. Each honeycomb layer can disperse airflow, so that circulation efficiency is guaranteed, and impurities are screened and filtered through pores of the honeycomb layer. The air inlet filter structure screens and filters impurities in the air through two honeycomb layers with different pore sizes, so that the probability that the impurities in the outside air enter the front air inlet bin can be reduced, and the dustproof effect is improved. In one embodiment, the air inlet filter structure comprises air inlet filter cotton, the air inlet filter cotton is arranged on the air outlet side of the second air inlet honeycomb layer, and the aperture of the air inlet filter cotton is smaller than that of the second air inlet honeycomb layer. The rigidity of air inlet filter cotton is less than the rigidity of first air in