CN114171819A - Energy storage cabinet - Google Patents

Energy storage cabinet Download PDF

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Publication number
CN114171819A
CN114171819A CN202111368727.1A CN202111368727A CN114171819A CN 114171819 A CN114171819 A CN 114171819A CN 202111368727 A CN202111368727 A CN 202111368727A CN 114171819 A CN114171819 A CN 114171819A
Authority
CN
China
Prior art keywords
cabinet
battery module
air
energy storage
cabinet body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111368727.1A
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Chinese (zh)
Inventor
景进
居志安
马坤
仇成丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shuangyili Ningbo Battery Co ltd
Original Assignee
Shuangyili Ningbo Battery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shuangyili Ningbo Battery Co ltd filed Critical Shuangyili Ningbo Battery Co ltd
Priority to CN202111368727.1A priority Critical patent/CN114171819A/en
Publication of CN114171819A publication Critical patent/CN114171819A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/617Types of temperature control for achieving uniformity or desired distribution of temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • H01M10/6563Gases with forced flow, e.g. by blowers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/258Modular batteries; Casings provided with means for assembling
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

The invention relates to the technical field of energy storage equipment, in particular to an energy storage cabinet. It includes the cabinet body, refrigerating plant and send the cold air duct, the internal portion of cabinet is provided with the battery module mounting bracket that is used for placing battery module subassembly, the bottom of battery module mounting bracket with constitute the bottom passageway between the interior bottom of the cabinet body, it is a plurality of refrigerating plant set up respectively in a lateral wall or different lateral walls of the cabinet body, refrigerating plant will internal portion of cabinet and external environment intercommunication, refrigerating plant has air intake and air outlet, send the one end of cold air duct with the air outlet is connected, send the other end of cold air duct to be located the bottom passageway has improved the radiating effect to battery module subassembly.

Description

Energy storage cabinet
Technical Field
The invention relates to the technical field of energy storage equipment, in particular to an energy storage cabinet.
Background
The energy storage cabinet is in the use, and inside can produce great heat, and the heat is detained for a long time and can cause the influence to the normal use of energy storage cabinet in the energy storage cabinet. The existing energy storage cabinet usually adopts heat dissipation devices such as an air conditioner and a fan to generate cold air in the energy storage cabinet, so that the cold air acts on a heating device in the circulation process of the energy storage cabinet to take away heat and cool the energy storage cabinet. However, in practice, the cool air may not effectively act on the heat generating device during the circulation process of the energy storage cabinet, but directly returns to the heat dissipating device and flows into the air, thereby reducing the heat dissipating effect of the energy storage cabinet.
Disclosure of Invention
The invention solves the problem of how to improve the heat dissipation effect of the energy storage cabinet.
In order to solve the problems, the invention provides an energy storage cabinet which comprises a cabinet body, refrigerating devices and a cold air supply pipeline, wherein a battery module mounting frame is arranged inside the cabinet body, a bottom channel is formed between the bottom of the battery module mounting frame and the inner bottom of the cabinet body, the refrigerating devices are respectively arranged on one side wall or different side walls of the cabinet body, the refrigerating devices are used for communicating the inside of the cabinet body with the external environment, each refrigerating device is provided with an air inlet and an air outlet, one end of the cold air supply pipeline is connected with the air outlet, and the other end of the cold air supply pipeline is located in the bottom channel.
Compared with the prior art, the energy storage cabinet provided by the invention has the following beneficial effects:
the internal space of the cabinet body can be provided with a plurality of battery module assemblies through the battery module mounting rack, the battery module mounting rack can be connected with the side wall of the cabinet body so as to form a bottom channel between the bottom of the battery module mounting rack and the internal bottom of the cabinet body, or the battery module mounting rack can also be connected with the bottom of the cabinet body, the bottom of the placed battery module assembly is provided with a gap with the internal bottom of the cabinet body, the gap is also called the bottom channel, a plurality of refrigerating devices which are communicated with the inside and the outside of the cabinet body are arranged on the side wall of the cabinet body, the air outlet of each refrigerating device is respectively connected with a cold air conveying pipeline, one end of each cold air conveying pipeline, which is far away from the air outlet, is communicated with different positions of the bottom channel, thus, after the refrigerating devices work, the external air of the external environment enters the refrigerating devices from the air inlet to be cooled to form cold air, and then the cold air enters the bottom channel from the air outlet and the cold air conveying pipeline in turn under the positive pressure blowing force of the air outlet, then the air conditioning flows through the battery module mounting bracket and fills and dispels the heat at the whole inner space of cabinet body to the battery module subassembly, and the air conditioning that different refrigerating plant produced can upwards flow to each position department of internal space of cabinet after the different position departments that send the cold air duct row to the bottom passageway from the difference, makes cold wind can dispel the heat to each battery module subassembly, and a plurality of battery module subassemblies dispel the heat evenly, dispel the heat well. Moreover, the plurality of refrigerating devices are used for cooling and radiating the internal battery module together, so that a refrigerating device (such as an air conditioner) without high power can also meet the requirement of good heat radiation of a plurality of battery module assemblies, the installation position of each refrigerating device and the installation position and the installation mode of the air supply and cooling pipeline can also be well designed, and the refrigerating device with higher power or larger volume is avoided.
Further, refrigerating plant still has the air exit, refrigerating plant is suitable for to pass through the air intake absorbs outside air, in order to incite somebody to action outside air refrigeration loops through the air outlet send the cold air duct collect behind bottom passageway and the battery module mounting bracket the air exit, the air exit is used for the exhaust steam.
Further, the cabinet body includes cabinet body and cabinet door, cabinet body is for having at least one open-ended box body structure, the cabinet door set up in the opening of cabinet body, it is a plurality of refrigerating plant set up respectively in the cabinet door.
Furthermore, the battery module mounting frame comprises a plurality of battery module frames which are arranged at intervals in the left-right direction, a battery module assembly is placed between every two adjacent battery module frames, and a first vertical channel is formed between every two adjacent battery module assemblies; when the cabinet door is closed when the opening, a plurality of refrigerating plant's arrangement direction is unanimous with a plurality of battery module frame's arrangement direction, and is a plurality of send the cold air duct to keep away from the one end of air outlet sets up at the interval in the left and right sides direction.
Further, the cabinet door comprises a left cabinet door and a right cabinet door, the left cabinet door and the right cabinet door are rotatably connected with the opening respectively, the left cabinet door and the right cabinet door are suitable for being turned in opposite directions to close or open the opening, and the left cabinet door and the right cabinet door are provided with at least one refrigerating device respectively.
Furthermore, the battery module assembly comprises a plurality of battery modules which are distributed at intervals in the vertical direction, and a horizontal channel is formed between every two adjacent battery modules; or/and in the arrangement direction of the plurality of battery module frames, a second vertical channel is formed between the battery module frames at two ends and the corresponding inner wall of the cabinet body; or/and when the cabinet door closes the front side opening, a front side channel is formed between the battery module frame and the cabinet door.
Further, the bottom in the cabinet body is provided with the bakelite box, the front side of bakelite box is provided with be suitable for with send the cold air duct to keep away from the bakelite box import of the butt joint of the one end of air outlet, the open setting of rear side of bakelite box is faced the bottom passageway.
Further, the inboard of at least one lateral wall in the left wall of cabinet body and the right wall is provided with the pencil frame, the pencil frame extends along vertical direction, at least one lateral wall in the left side of bakelite box or the right side is provided with bakelite box side export, bakelite box side export with the pencil frame sets up relatively.
Furthermore, a filtering structure is arranged at the inlet of the bakelite box, or one end, far away from the air outlet, of the cold air conveying pipeline is provided with the filtering structure.
Further, a first sealing structure is arranged between the air cooling pipeline and the air outlet, or/and a second sealing structure is arranged on the cabinet door, and the second sealing structure is used for sealing the opening when the cabinet door closes the opening.
Furthermore, one of the left wall and the right wall of the cabinet body is provided with a cabinet combining opening, the other one of the left wall and the right wall of the cabinet body is provided with a cabinet combining connecting sleeve which is suitable for being in plug-in fit with the cabinet combining opening, and the cabinet combining connecting sleeve or the cabinet combining opening is provided with a third sealing structure.
Drawings
Fig. 1 is a schematic structural diagram of an energy storage cabinet according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of an energy storage cabinet according to an embodiment of the present invention, with a cabinet door removed;
FIG. 3 is a schematic structural diagram of a refrigeration apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the distribution of two battery module racks according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of a perspective view of an electrical wooden box according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of another perspective of the bakelite box according to the embodiment of the invention;
FIG. 7 is a side cross-sectional view of an energy storage cabinet according to an embodiment of the invention;
fig. 8 is a front cross-sectional view of an energy storage cabinet with a portion of battery module assemblies mounted therein according to an embodiment of the invention.
Reference numerals:
1-cabinet, 11-cabinet door, 12-cabinet-combining adapter, 2-refrigeration device, 21-air inlet, 22-air outlet, 23-air outlet, 3-cold air supply pipeline, 4-battery module rack, 41-vertical column, 42-horizontal bracket, 5-bakelite box, 51-bakelite box inlet, 52-bakelite box side outlet, 6-battery module mounting rack, 7-wire harness rack, 8-filtering structure, 91-first sealing structure, 92-second sealing structure, 93-third sealing structure, 10-battery module, 101-first vertical channel, 102-second vertical channel, 103-bottom channel, 104-front channel, 105-horizontal channel.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
XYZ coordinate axes are provided herein wherein a forward direction of the X axis represents a forward direction, a reverse direction of the X axis represents a rearward direction, a forward direction of the Y axis represents a left direction, a reverse direction of the Y axis represents a right direction, a forward direction of the Z axis represents an upward direction, and a reverse direction of the Z axis represents a downward direction.
As shown in fig. 1 to 8, an embodiment of the invention discloses an energy storage cabinet, which includes a cabinet body 1, a refrigeration device 2 and a cold air supply duct 3, wherein a battery module mounting rack 6 is arranged inside the cabinet body 1, the bottom of the battery module mounting rack 6 and the inner bottom of the cabinet body 1 form a bottom channel 103, a plurality of refrigeration devices 2 are respectively arranged on one side wall or different side walls of the cabinet body 1, the refrigeration devices 2 communicate the inside of the cabinet body 1 with the external environment, each refrigeration device 2 has an air inlet 21 and an air outlet 22, one end of the cold air supply duct 3 is communicated with the air outlet 22, and the other end of the cold air supply duct 3 is communicated with the bottom channel 103.
In this embodiment, a plurality of battery module assemblies can be placed in the internal space of the cabinet 1 through the battery module mounting rack 40, the battery module mounting rack 6 can be connected to the side wall of the cabinet 1 so as to form a bottom channel 103 between the bottom of the battery module mounting rack and the bottom of the cabinet 1, or the battery module mounting rack 6 can also be connected to the bottom of the cabinet 1, the bottom of the placed battery module assembly has a space with the bottom of the cabinet 1, the space is also called a bottom channel 103, a plurality of refrigerating devices 2 communicating the inside and the outside of the cabinet 1 are arranged on the side wall of the cabinet 1 (such as the side wall of the cabinet 1 in the positive direction of the X axis, namely the front wall), the air outlet of each refrigerating device 2 is respectively connected to one air supply and cooling duct 3, one end of each air supply and cooling duct 3, which is far away from the air outlet 22, is communicated with different positions of the bottom channel, so that, after the refrigerating device 2 works, the external air of the external environment enters the refrigerating device 2 from the air inlet to be cooled to form cold air, then air conditioning is at air outlet 22's malleation blowing power (there can be a fan of blowing in air outlet 22, this fan of blowing is bloied to the internal portion of cabinet) down from air outlet 22 and send the cold air duct 3 to get into the bottom passageway in proper order, then air conditioning flows through battery module mounting bracket 6 and fills and dispel the heat at the 1 whole inner space of cabinet body to the battery module subassembly, the air conditioning that different refrigerating plant 2 produced can upwards flow to each position department of 1 inner space of cabinet body after the different position departments that send the cold air duct 3 row to the bottom passageway of difference, it can dispel the heat to make cold wind to each battery module subassembly, a plurality of battery module subassemblies dispel the heat evenly, it is good to dispel the heat.
Optionally, refrigerating plant 2 still has air exit 23, refrigerating plant 2 is suitable for to pass through air intake 21 absorbs the outside air, in order to incite somebody to action outside air refrigeration and loop through air outlet 22 send cold air duct 3 collect behind bottom passageway 103 and the battery module mounting bracket 6 air exit 23, air exit 23 is used for the exhaust steam.
Here, after refrigerating plant 2 worked, the outside air of external environment got into refrigerating plant 2 by the air intake and cools off and form air conditioning, then air conditioning was in the malleation of air outlet 22 blow power (there can be a blower in air outlet 22, this blower is to the internal portion of cabinet blowing) down from air outlet 22 and send cold air duct 3 to get into the bottom passageway in proper order, then air conditioning flows through battery module mounting bracket 6 and fills and dispel the heat at the whole inner space of cabinet 1 battery module subassembly. The air conditioning temperature through after with the battery module subassembly heat exchange risees gradually and becomes steam, finally converge at air exit 23 under the negative pressure suction of air exit 23, discharge via air exit 23, the air conditioning that different refrigerating plant 2 produced can be arranged to the different positions department of bottom passageway 103 from different cold air supply duct 3, can upwards flow through battery module mounting bracket 6 and fill each position department at cabinet 1 inner space, make cold wind can dispel the heat to each battery module subassembly, finally flow back to air exit 23, the gas that converges to air exit 23 department has become steam through with the battery module subassembly heat exchange, arrange steam to external environment through air exit 23, the heat dissipation is even, it is good to dispel the heat.
It should be noted that, if a refrigeration device with the same power is used, such as an air conditioner, the power is too small, the load of the air conditioner is large, the heat dissipation performance is poor, and the use requirement cannot be met; if the air conditioning power is increased, the volume of the air conditioner is increased, which may cause inconvenience in installation or increase in the overall volume of the cabinet 1. Therefore, in this embodiment, the plurality of refrigeration devices 2 are used for cooling and dissipating heat of the internal battery module together, so that a good heat dissipation effect of the plurality of battery module assemblies can be achieved without a high-power refrigeration device, and the installation position of each refrigeration device 2 and the installation position and installation mode of the air supply and cooling duct 3 can be designed well, thereby avoiding the use of a refrigeration device with higher power or larger volume.
In addition, a plurality of refrigerating plant 2 can install in different positions, can refrigerate the battery module of different positions in the battery module subassembly of different positions, improves the heat dissipation homogeneity. The refrigerating devices 2 with more quantity are matched with the cold air delivery pipelines 3 with more quantity, the pipeline design is more flexible and more variable, and the cold air can reach more positions. Moreover, each refrigerating device 2 can independently control the refrigerating intensity, such as air quantity or temperature, and can perform enhanced refrigeration on the position with local overhigh temperature.
The refrigerating device 2 may be an air conditioner or other device capable of generating cool air. When the cooling device 2 is an air conditioner, the air outlet 23 may be a part of the air conditioner. When the air conditioner works, under the action of an air outlet motor in the air outlet 22, negative pressure is generated at an air inlet to suck air in an external environment for refrigeration, under the action of the air outlet motor in the air outlet 22, cold air enters the bottom channel 103 from the air outlet 22 and the cold air supply pipeline 3, and the air outlet 23 discharges the air subjected to heat exchange in the cabinet body 1 through an air exhaust fan in the air outlet.
It can be understood that refrigerating plant 2 preferably sets up the position that is close to the top on the lateral wall of cabinet 1 (for example as shown in fig. 1 in the lateral wall department of cabinet 1 in the positive one end of X axle, also be the antetheca) upper portion, so, after 21 air intakes produced air conditioning, utilize air conditioning principle of sinking, make air conditioning send the bottom passageway through sending cold air duct 3 more easily, air conditioning after getting into the bottom passageway and then fill in at cabinet 1 inner space, the negative pressure of cooperation air exit 23, discharge after the heat dissipation to battery module subassembly more easily, not only the radiating effect is good, the radiating efficiency is also higher. Wherein, the one end that send cold air duct 3 and air outlet 22 are connected is the top of sending cold air duct 3, and the other end of sending cold air duct 3 is the bottom. In addition, the refrigeration device 2 is arranged at a position deviated to the top of the cabinet body 1, so that the operation and the installation of people are convenient, and the refrigeration device 2 is arranged at a higher position in consideration of the man-machine relationship between people and the refrigeration device 2 and is suitable for most adults to use and install.
Referring to fig. 1, optionally, the cabinet body 1 includes a cabinet body and a cabinet door 11, the cabinet body is a box structure having at least one opening, the cabinet door 11 is disposed at a front side of the cabinet body for closing or opening the opening, and the plurality of refrigeration devices 2 are respectively disposed on the cabinet door 11.
Here, realize operating cabinet body inside through opening cabinet door 11 forward, for example put and get battery module subassembly, for example at cabinet door 11 inboard installation refrigerating plant 2, send cold air duct 3 etc.. In addition, refrigerating plant 2 and send the cold air duct to can also set up on the cabinet door that other sides were opened the door, for example, the rear side of cabinet body (X axle negative direction one side) also the opening set up, and refrigerating plant 2 and send cold air duct 3 can also set up in the cabinet door inboard of rear side.
Referring to fig. 1 and 2, optionally, the cabinet body includes a cabinet body and a cabinet door 11, the cabinet body is a box structure which is formed by a left cabinet plate (a side wall on one positive Y-axis side), a right cabinet plate (a side wall on one negative Y-axis side), an upper cabinet plate (a side wall on one positive Z-axis side), a lower cabinet plate (a side wall on one negative Z-axis side), and a rear cabinet plate (a side wall on one negative X-axis side) and has a front side opening, and the cabinet door 11 is disposed on the front side of the cabinet body for closing or opening the front side opening; battery module mounting bracket 6 includes a plurality of battery module frame 4 that the interval set up in the left and right sides direction, and is adjacent be used for placing between battery module frame 4 the battery module subassembly, and adjacent form first vertical passageway 101 between the battery module subassembly, work as cabinet door 11 is closed during the front side opening, it is a plurality of refrigerating plant 2 arrange the direction with a plurality of battery module frame 4 arrange the direction unanimous, and a plurality of cold air duct 3 of sending keep away from the one end of air outlet 22 in left side cabinet board extremely the interval sets up in the direction of right side cabinet board (also be exactly the left and right sides direction that the Y axle represented).
Here, battery module assemblies are placed in the internal space of the cabinet body 1 through the battery module frames 4 arranged at a plurality of intervals, each battery module assembly can include a plurality of battery modules 10 distributed along the vertical direction, after the plurality of battery module assemblies are installed in place, an interval is formed between two adjacent battery module assemblies, namely, the first vertical channel 101, thus, after the refrigerating device 2 works, the external air of the external environment enters the refrigerating device 2 from the air inlet 21 to be cooled to form cold air, then the cold air sequentially enters the bottom channel 103 from the air outlet 22 and the cold air conveying pipeline 3, the cold air generated by different refrigerating devices 2 can flow upwards into the corresponding first vertical channel 101 after being discharged to different positions of the bottom channel 103 from different cold air conveying pipelines 3, finally flows back to the air outlet 23 to be discharged to the external environment, and the cold air passes through the first vertical channel 101 to realize the cold air of each battery module 10 in the battery module assemblies at the left and right sides of the first vertical channel 101 However, because the cold air generated by different refrigeration devices 2 can be discharged from different cold air supply pipelines 3 to different positions of the bottom channel 103 and then flows upwards to the corresponding first vertical channel 101, the multiple battery module assemblies can dissipate heat uniformly and well.
It can be understood that, since the cabinet door 11 can be opened and closed, one end (top end) of the cooling air duct 3 is fixedly or detachably connected to the air outlet 22, and the other end (bottom end) of the cooling air duct 3 is disposed at the bottom passage when the cabinet door 11 is closed.
Here, because the cabinet body is the front side opening, therefore it is corresponding with it, a plurality of battery module frame 4 are the interval setting in the left and right directions, and simultaneously, after cabinet door 11 closed, a plurality of refrigerating plant 2 also are the interval setting in the left and right directions, so, the air conditioning that every refrigerating plant 2 produced also distributes in the different positions on the left and right directions after sending the cold air duct 3 to the bottom passageway, and then carries out "subregion" heat dissipation to a plurality of battery module subassemblies of left and right directions spaced, guarantee that the heat dissipation is even, the radiating effect is good.
Referring to fig. 1, optionally, the cabinet door 11 includes a left cabinet door and a right cabinet door, the left cabinet door and the right cabinet door are respectively hinged to the opening, the left cabinet door and the right cabinet door are suitable for being turned in opposite directions to close or open the opening, and each of the left cabinet door and the right cabinet door is provided with at least one of the refrigeration devices 2. Of course, the cabinet door 11 can be a single door, in addition to the front double door, on which the plurality of refrigeration devices 2 are respectively arranged, as well as the cabinet door 11.
Here, refrigerating plant 2 of each of left cabinet door and right cabinet door, refrigerating plant 2 on the left cabinet door mainly dispels the heat to a plurality of battery module subassemblies of left part, and the refrigerating plant of right side cabinet door mainly dispels the heat to a plurality of battery module subassemblies of right part, and the convenience dispels the heat to all battery module subassemblies, has solved the problem that energy storage cabinet radiating effect is not obvious effectively.
Referring to fig. 7 and 8, alternatively, the battery module assembly includes a plurality of battery modules 10 spaced apart in a vertical direction (Z-axis direction) with horizontal channels 105 formed between adjacent battery modules in the vertical direction; or/and in the arrangement direction of the plurality of battery module assemblies (i.e. the left-right direction indicated by the Y axis), a second vertical channel 102 is formed between the battery module rack 4 at one end and the inner wall of the cabinet 1, and a second vertical channel 102 is also formed between the battery module rack at the other end and the inner wall of the cabinet 1; or/and when the cabinet door 11 closes the front opening, a front channel 104 is formed between the front side of the battery module rack and the front cabinet door 11. Wherein, the second vertical passage 102, the front side passage 104 and the first vertical passage 101 are all for upward flow of the cooling air.
Here, there is an interval between the adjacent battery modules 10 in each battery module assembly, that is, the horizontal channel 105, so, when the cold air rises in the first vertical channel 101, the cold air in the first vertical channel 101 of the rear side also diffuses to the first vertical channel 101 through the horizontal channel 105 to the front, finally converge to flow upward after the front side channel 104 and be discharged by the air outlet 23, so, the cold air is full of most space in the cabinet, can all exchange heat to each side position of the battery module 10, the heat dissipation effect is better, the heat dissipation is more even.
Referring to fig. 4, the battery module rack 4 optionally includes two vertical columns 41 and two horizontal supports 42 in tandem, the two horizontal supports 42 are respectively disposed at the left and right sides of the vertical columns 41, the space between the two horizontal supports 42 is equal to the dimension of the vertical columns in the Y axis, and the space between the two horizontal supports 42 is the first vertical channel 101.
The horizontal brackets 42 may be angle irons to support the battery modules, and one battery module is placed on two adjacent horizontal brackets 42 in the adjacent battery module rack 4 at the same height.
Referring to fig. 2, 5 and 6, optionally, an electric wooden box 5 is arranged at the bottom inside the cabinet body, an electrode copper bar (not shown) is arranged inside the electric wooden box 5, an electric wooden box inlet 51 adapted to be in butt joint with one end of the cooling air duct 3 away from the air outlet 22 is arranged at the front side of the electric wooden box 5, and the rear side of the electric wooden box 5 is open and faces the bottom channel 103.
Here, in the energy storage cabinet field, the electrode copper bar sets up the bottom in the cabinet body 1 usually, in order to avoid electrode copper bar direct exposure to the internal space of cabinet (direct exposure in the internal space of cabinet 1, there is the potential safety hazard), this embodiment is protected the electrode copper bar through setting up the bakelite box, makes it not expose, and the security is higher. Meanwhile, the cold air entering the bakelite box 5 firstly dissipates heat to the electrode copper bar.
Here, when the cabinet door was closed, the bottom of sending cold air duct 3 realized the intercommunication with bakelite case import 51 butt joint, and the bottom passageway is sent to from the uncovered of bakelite case 5 rear side to cold air.
Optionally, referring to fig. 1, 5 and 6, at least one of the left and right cabinet panels is provided with a wire harness bracket 7, the wire harness bracket 7 extends in a vertical direction, the wire harness bracket 7 is used for installing a wire harness, at least one sidewall of the left or right side of the bakelite box 5 is provided with a bakelite box side outlet 52, and the bakelite box side outlet 52 is arranged opposite to the wire harness bracket 7.
Here, by providing the bakelite box side outlet 52 on the left and right sides of the bakelite box 5, the cold air can be discharged from the bakelite box side outlet 52 into the side of the front side passage 104, and then moved upward to radiate the wire harness at the oppositely disposed harness rack 7.
Referring to fig. 5, optionally, a filtering structure 8 is disposed at an inlet 51 of the bakelite box, or the filtering structure 8 is disposed at an end of the cooling air duct 3 away from the air outlet 22.
Here, through filtration 8 for the air conditioning that enters into bakelite box 5 is through filterable, so, if there is debris to get into from refrigerating plant 2 and send cold wind pipeline 3, this filtration 8 for example dust screen can effectively reduce debris and enter into bakelite box 5 from sending cold wind pipeline 3, has reduced the contact of debris with the electrode copper bar, has ensured the normal work of electrode copper bar, has reduced the emergence of accident, has improved the security.
Optionally, a first sealing structure 91 is disposed between the cooling air duct 3 and the air outlet 22, or/and a second sealing structure 92 is disposed on the cabinet door, where the second sealing structure 92 is used for sealing the front opening when the cabinet door 11 closes the front opening.
Here, guarantee through first seal structure that air conditioning can not leak from air outlet 22 and the junction of sending cold air duct 3, guarantee that whole air conditioning can send into the bottom passageway in order to participate in subsequent heat dissipation to and guarantee through second seal structure that cabinet door 11 closes the back, the air conditioning of the cabinet body can not leak from the front side opening department of the cabinet body, further promotes the radiating effect.
Referring to fig. 1, optionally, one of the left cabinet plate and the right cabinet plate is provided with a cabinet combining port, the other is provided with a cabinet combining sleeve 12 adapted to be in plug-in fit with the cabinet combining port, and the cabinet combining sleeve 12 or the cabinet combining port is provided with a third sealing structure 93.
When two or more energy storage cabinets use side by side, the cabinet combination connecting sleeve of one cabinet body 1 is spliced with the cabinet combination opening of another cabinet body 1 to realize the communication, and meanwhile, the third sealing structure 93 is used for ensuring that the cold air cannot run off from the position, so that the cooling effect of the energy storage cabinets is greatly improved. Wherein, first seal structure 91, second seal structure 92 and third seal structure 93 can be the sealing rubber cover, and after the cabinet combining, the sealing rubber cover still enables to play certain cushioning effect between two cabinet bodies 1, has also shown the protection level that has promoted the energy storage cabinet. Of course, when no cabinet combination is carried out, the cabinet combination port and the cabinet combination connecting sleeve 12 of the cabinet body can be respectively blocked.
Optionally, the cross section of the cooling air duct 3 in the horizontal direction (XY plane) is square.
The air cooling pipeline 3 is preferably designed into a square structure, so that the production and the processing are convenient, the processing cost can be effectively reduced, and the installation efficiency is improved. Of course, the cross section of the cooling air duct 3 in the horizontal direction may also be other shapes, such as a circle, and this embodiment is not limited.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims (11)

1. The utility model provides an energy storage cabinet, its characterized in that, includes the cabinet body (1), refrigerating plant (2) and send cold air duct (3), the inside battery module mounting bracket (6) that is provided with of cabinet body (1), the bottom of battery module mounting bracket (6) with the interior bottom of the cabinet body (1) constitutes bottom passageway (103), and is a plurality of refrigerating plant (2) set up respectively in a lateral wall or different lateral walls of the cabinet body (1), refrigerating plant (2) will the inside and external environment intercommunication of the cabinet body (1), refrigerating plant (2) have air intake (21) and air outlet (22), send the one end of cold air duct (3) with air outlet (22) intercommunication, send the other end of cold air duct (3) with bottom passageway (103) intercommunication.
2. The energy storage cabinet of claim 1, wherein the refrigerating device (2) is further provided with an air outlet (23), the refrigerating device (2) is suitable for sucking external air through the air inlet (21) so as to refrigerate the external air and sequentially pass through the air outlet (22), the air supply and cooling duct (3), the bottom channel (103) and the battery module mounting frame (6) and then collect at the air outlet (23), and the air outlet (23) is used for discharging hot air.
3. The energy storage cabinet according to claim 1, wherein the cabinet body comprises a cabinet body and a cabinet door (11), the cabinet body is a box structure having at least one opening, the cabinet door (11) is disposed at the opening of the cabinet body, and the plurality of refrigeration devices (2) are disposed at the cabinet door (11).
4. The energy storage cabinet of claim 3, wherein the battery module mounting frame (6) comprises a plurality of battery module frames (4) arranged at intervals in the left-right direction, a battery module assembly is placed between the adjacent battery module frames (4), and a first vertical channel (101) is formed between the adjacent battery module assemblies; when the cabinet door (11) is closed, the arrangement direction of the plurality of refrigerating devices (2) is consistent with the arrangement direction of the plurality of battery module frames (4), and one ends of the plurality of air cooling pipelines (3) far away from the air outlet (22) are arranged at intervals in the left-right direction.
5. Energy storage cabinet according to claim 3, characterized in that the cabinet doors (11) comprise a left and a right cabinet door, which are rotatably connected with the opening, respectively, the left and right cabinet doors being adapted to be flipped in opposite directions to close or open the opening, the left and right cabinet doors each being provided with at least one of the cooling devices (2).
6. The energy storage cabinet according to claim 4, wherein the battery module assembly comprises a plurality of battery modules (10) which are distributed at intervals along the vertical direction, and horizontal channels (105) are formed between the adjacent battery modules (10); or/and in the arrangement direction of the plurality of battery module frames (4), a second vertical channel (102) is formed between the battery module frames (4) at two ends and the corresponding inner wall of the cabinet body (1); or/and a front side channel (104) is formed between the battery module rack (4) and the cabinet door (11) when the cabinet door (11) closes the opening.
7. The energy storage cabinet according to claim 4, wherein the bottom in the cabinet body is provided with an bakelite box (5), the front side of the bakelite box (5) is provided with a bakelite box inlet (51) suitable for being in butt joint with one end, away from the air outlet (22), of the air cooling duct (3), and the rear side of the bakelite box (5) is open and faces the bottom channel.
8. The energy storage cabinet of claim 7, wherein the inner side of at least one of the left wall and the right wall of the cabinet body is provided with a wire harness frame (7), the wire harness frame (7) extends in a vertical direction, at least one of the left side or the right side of the bakelite box (5) is provided with a bakelite box side outlet (52), and the bakelite box side outlet (52) is arranged opposite to the wire harness frame (7).
9. The energy storage cabinet of claim 7, wherein a filtering structure (8) is arranged at the inlet (51) of the bakelite box, or the filtering structure (8) is arranged at one end of the cooling air duct (3) far away from the air outlet (22).
10. An energy storage cabinet according to claim 3, characterized in that a first sealing structure (91) is arranged between the cool air duct (3) and the air outlet (22), or/and a second sealing structure (92) is arranged on the cabinet door (11), wherein the second sealing structure (92) is used for sealing the opening when the cabinet door (11) closes the opening.
11. The energy storage cabinet according to claim 7, characterized in that one of the left wall and the right wall of the cabinet body (1) is provided with a cabinet merging port, the other of the left wall and the right wall of the cabinet body (1) is provided with a cabinet merging sleeve (12) suitable for being in plug fit with the cabinet merging port, and the cabinet merging sleeve (12) or the cabinet merging port is provided with a third sealing structure (93).
CN202111368727.1A 2021-11-18 2021-11-18 Energy storage cabinet Pending CN114171819A (en)

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