CN114050352A - Box-type power supply non-contact liquid cooling system and control method - Google Patents
Box-type power supply non-contact liquid cooling system and control method Download PDFInfo
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- CN114050352A CN114050352A CN202111473485.2A CN202111473485A CN114050352A CN 114050352 A CN114050352 A CN 114050352A CN 202111473485 A CN202111473485 A CN 202111473485A CN 114050352 A CN114050352 A CN 114050352A
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- 239000007788 liquid Substances 0.000 title claims abstract description 194
- 238000001816 cooling Methods 0.000 title claims abstract description 146
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000110 cooling liquid Substances 0.000 claims description 61
- 238000005192 partition Methods 0.000 claims description 11
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 41
- 238000005057 refrigeration Methods 0.000 description 22
- 239000002826 coolant Substances 0.000 description 9
- 230000008859 change Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention belongs to the technical field of batteries and discloses a box-type power supply non-contact type liquid cooling system and a control method thereof. The box-type power supply non-contact liquid cooling system and the control method provided by the invention have the advantages of high safety performance and energy conservation.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a box type power supply non-contact type liquid cooling system and a control method.
Background
At present, box power heat dissipation mainly adopts forced air cooling and liquid cooling two kinds of modes, and the radiating purpose is realized mainly through air convection to the forced air cooling heat dissipation, and the radiating efficiency is slow, and the forced air cooling heat dissipation mainly adopts powerful fan and exhaust fan convection to blow and cause the temperature to reduce, consumes a large amount of energy, and when box power external environment high temperature, the convection current of air can't make the temperature reduce. The liquid cooling heat dissipation mainly adopts the liquid cooling mode of direct contact to cool and dispel the heat, directly submerges the battery package of box power in the coolant liquid, and the security performance is low.
Disclosure of Invention
The invention aims to provide a box type power supply non-contact liquid cooling system which is high in safety performance and energy-saving.
In order to achieve the purpose, the invention adopts the following technical scheme:
a box power non-contact liquid cooling system includes:
a standard box;
the battery pack is arranged in the standard box;
the liquid cooling plate group is arranged on the battery pack;
the refrigerating device is arranged in the standard box, cooling liquid is contained in the refrigerating device, the liquid cooling plate group is communicated with the refrigerating device to form a circulating pipeline, and the refrigerating device can reduce the temperature of the cooling liquid;
the temperature sensor is used for detecting the temperature of the battery pack and is electrically connected with the refrigerating device, and the refrigerating device can receive the temperature information of the temperature sensor and adjust the flow of the cooling liquid in the refrigerating device flowing into the circulating pipeline according to the temperature information.
Optionally, the battery pack is provided with a plurality of batteries at intervals along a first horizontal direction, the battery pack includes a plurality of battery clusters provided at intervals along a second horizontal direction, each battery cluster includes a plurality of battery packs, each battery pack in each battery cluster is provided with a plurality of columns along the second horizontal direction, and each column is provided with a plurality of columns along a vertical direction.
Optionally, the liquid cooling plate group is provided with a plurality of liquid cooling plates, and the liquid cooling plates and the battery packs are arranged in a one-to-one correspondence manner.
Optionally, the battery cluster further comprises:
the battery pack comprises a frame body, wherein a plurality of supporting plates are arranged on the frame body, a liquid cooling plate is arranged on one side of each supporting plate, and a battery pack is arranged on the other side of each supporting plate;
and the high-voltage box is arranged on the frame body and is electrically connected with the battery pack, and when the battery pack is short-circuited or the battery pack is out of control due to high temperature, the high-voltage box can cut off the current of the battery pack.
Optionally, be provided with the liquid runner in the liquid cooling board, the liquid runner includes inlet and liquid outlet, and the liquid runner of the liquid cooling board that every row of battery package corresponds communicates in proper order, and the inlet of the liquid cooling board that every row of battery package of the top corresponds and the liquid outlet of the liquid cooling board that every row of battery package of the bottom corresponds all communicate with refrigerating plant.
Optionally, a plurality of liquid flow channels are arranged in the liquid cooling plate, and the flow directions of the cooling liquid in adjacent liquid flow channels are opposite.
Optionally, the liquid channel is serpentine in shape, the liquid inlet and the liquid outlet of the liquid channel are both disposed at two ends of one side of the liquid cooling plate, and the liquid inlet and the liquid outlet of the liquid channel are alternately disposed.
Optionally, a partition plate is arranged in the standard box, and the refrigerating device and the battery pack are arranged on two sides of the partition plate.
The invention also provides a control method which is suitable for the box type power supply non-contact liquid cooling system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a control method using the box type power supply non-contact type liquid cooling system comprises the following steps:
s100, detecting temperature information of the battery pack by a temperature sensor;
and S200, the refrigerating device receives the temperature information and adjusts the flow of the cooling liquid in the refrigerating device flowing into the circulating pipeline according to the temperature information.
S200 specifically comprises the following steps:
s210, when the temperature information received by the refrigerating device is less than A ℃, the refrigerating device does not work;
s220, when the temperature information received by the refrigerating device is between A ℃ and B ℃, the refrigerating device adjusts the flow rate of the cooling liquid flowing into the circulating pipeline to be 3L/min-8L/min, and the refrigerating device does not work until the temperature information received by the refrigerating device is less than 30 ℃;
s230, when the temperature information received by the refrigerating device is between B ℃ and C ℃, the refrigerating device adjusts the flow rate of the cooling liquid flowing into the circulating pipeline to be 8L/min-10L/min, and the refrigerating device does not work until the temperature information received by the refrigerating device is less than 30 ℃;
s240, when the temperature information received by the refrigerating device is higher than C ℃, the refrigerating device adjusts the flow of the cooling liquid flowing into the circulating pipeline to be higher than 10L/min, and the refrigerating device does not work until the temperature information received by the refrigerating device is lower than 30 ℃;
wherein, the value of A is any value from 33 to 37, the value of B is any value from 40 to 42, and the value of C is any value from 44 to 46.
Has the advantages that:
according to the box-type power supply non-contact type liquid cooling system and the control method, the temperature of the cooling liquid is reduced by the refrigerating device and flows into the circulating pipeline, so that the temperature of the cooling liquid in the liquid cooling plate group is reduced, the temperature of the liquid cooling plate group is reduced, the cooling liquid exchanges heat with the battery pack, the heat of the battery pack is taken away by the cooling liquid in the liquid cooling plate group and flows back to the refrigerating device, the purpose of cooling the battery pack is achieved, the temperature of the battery pack is reduced by the liquid cooling plate group, the box-type power supply non-contact type liquid cooling system is superior to a direct contact type liquid cooling mode, and even if liquid leakage occurs in the liquid cooling plate group, the basic function of the battery pack cannot be influenced. The refrigerating device adjusts the flow rate of cooling liquid in the refrigerating device flowing into the circulating pipeline according to the received temperature information of the battery pack detected by the temperature sensor so as to change the flow rate of the cooling liquid in the liquid cooling plate group, further change the heat exchange efficiency of the liquid cooling plate group and the battery pack, and save energy while keeping the normal working temperature of the battery pack.
Drawings
Fig. 1 is a non-contact liquid cooling system with a box-type power supply according to a first embodiment of the invention;
FIG. 2 is a top view of a refrigeration device according to an embodiment of the present invention;
FIG. 3 is a front view of a refrigeration unit according to an embodiment of the present invention;
FIG. 4 is a side view of a refrigeration unit construction provided in accordance with one embodiment of the present invention;
fig. 5 is a schematic view illustrating a flow direction of a coolant between a battery cluster and a refrigeration device according to a first embodiment of the present invention;
FIG. 6 is a schematic diagram illustrating the flow direction of coolant between the liquid cooling plates of a single battery cluster according to an embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating a flow direction of cooling liquid in the liquid cooling plate according to an embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating a position relationship between a liquid cooling plate and a supporting plate according to an embodiment of the present invention;
FIG. 9 is an enlarged view of FIG. 8 at D according to one embodiment of the present invention;
FIG. 10 is a flowchart of a control method according to a second embodiment of the present invention;
fig. 11 is a specific flowchart of step S200 in the control method according to the second embodiment of the present invention.
In the figure:
100. a standard box; 110. a partition plate;
200. a battery pack; 210. a battery cluster; 211. a battery pack; 212. a frame body; 213. a support plate; 214. a high pressure tank;
300. a liquid-cooled plate; 310. a liquid flow passage; 311. a liquid inlet; 312. a liquid outlet;
400. a refrigeration device; 410. a box body; 411. a cooling tube; 412. a water return pipe; 413. a vent hole; 420. a water tank; 430. a fan;
500. a control device; 600. a first conduit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
Referring to fig. 1, the embodiment provides a box-type power supply non-contact liquid cooling system, which includes a standard box 100, a battery pack 200, a liquid cooling plate set, a refrigeration apparatus 400, and a temperature sensor (the liquid cooling plate set and the temperature sensor are not shown in fig. 1), where the battery pack 200 is disposed in the standard box 100, the liquid cooling plate set is mounted on the battery pack 200, the refrigeration apparatus 400 is disposed in the standard box 100, a cooling liquid is contained in the refrigeration apparatus 400, the liquid cooling plate set is communicated with the refrigeration apparatus 400 to form a circulation pipeline, and the refrigeration apparatus 400 can reduce the temperature of the cooling liquid; the temperature sensor is used for detecting the temperature of the battery pack 200, and the temperature sensor is electrically connected to the cooling device 400, and the cooling device 400 can receive the temperature information of the temperature sensor and adjust the flow rate of the cooling liquid in the cooling device 400 flowing into the circulation pipe according to the temperature information.
In this embodiment, the cooling device 400 reduces the temperature of the cooling liquid and flows into the circulating pipeline, so that the temperature of the cooling liquid in the liquid cooling plate group is reduced, and then the temperature of the liquid cooling plate group is reduced to exchange heat with the battery pack 200, the cooling liquid in the liquid cooling plate group takes away the heat of the battery pack 200 and flows back to the cooling device 400, thereby achieving the purpose of cooling the battery pack 200, and the cooling of the battery pack 200 by the liquid cooling plate group is superior to the direct contact type liquid cooling mode, and even if the liquid cooling plate group leaks, the basic function of the battery pack 200 is not affected. The cooling device 400 adjusts the flow rate of the cooling liquid in the cooling device 400 flowing into the circulating pipeline according to the received temperature information of the battery pack 200 detected by the temperature sensor, so as to change the flow rate of the cooling liquid in the liquid cooling plate group, further change the heat exchange efficiency of the liquid cooling plate group and the battery pack 200, and save energy while keeping the normal working temperature of the battery pack 200.
Further, the cooling liquid may be purified water, a mixture of organic alcohols, or seawater, which is used after impurities are filtered, or other liquid media, which is not described in detail herein.
In this embodiment, this box power non-contact liquid cooling system still includes fire control controlling means, and fire control controlling means is including setting up in a plurality of fire control shower nozzles at box 410 top, and when the conflagration breaing out, the fire control shower nozzle can automatic in time spray insulating coolant liquid and put out a fire, and when group battery 200 was on fire, supplementary existing fire-fighting equipment was put out a fire, promotes the security. Specifically, the fire-fighting control device is the prior art and will not be described in detail herein.
Further, the box-type power supply non-contact liquid cooling system further comprises a control device 500, the battery pack 200 is electrically connected with the control device 500, the battery pack 200 supplies power to the external electrical device through the control device 500, and the control device 500 can adjust the power supply amount of the battery pack 200 to the external electrical device.
Further, a partition 110 is provided in the standard box 100, and the refrigeration apparatus 400 and the battery pack 200 are provided on both sides of the partition 110, thereby improving safety. Further, the cooling device 400 and the control device 500 are disposed on the same side of the partition 110. Preferably, the partition 110 is made of a fireproof material so that the cooling device 400 and the control device 500 are not damaged even if the battery pack 200 is burned.
Further, referring to fig. 2 to 4, the refrigeration apparatus 400 includes a box 410, a water pump, a heat exchanger, and a condenser (the water pump, the heat exchanger, and the condenser are not shown in the figure), a cooling pipe 411 and a water return pipe 412 which are communicated with the liquid cooling plate group are disposed on the box 410, the water pump, the heat exchanger, and the condenser are disposed in the box 410, the water pump is mounted on the cooling pipe 411, a circulation pipeline and the condenser are both communicated with the heat exchanger, cooling liquid in the circulation pipeline exchanges heat with the condenser in the heat exchanger to reduce the temperature of the cooling liquid, and a connection manner between the circulation pipeline and the heat exchanger and a connection manner between the condenser and the heat exchanger are prior art and will not be described in detail herein.
Further, the water pump may also be installed at other positions of the circulation pipeline, which is not described in detail herein.
Further, the condenser may be an air-cooled condenser, or may be other types of condensers, which are not described in detail herein.
Further, a controller (not shown) is disposed in the refrigeration apparatus 400, the temperature sensor, the water pump and the condenser are electrically connected to the controller, the controller receives the temperature information of the battery pack 200 detected by the temperature sensor, and controls the water pump to adjust the flow rate of the cooling liquid flowing into the circulation pipeline according to the temperature information, and the controller can control the on/off of the condenser.
Further, a cooling pipe 411 and a return pipe 412 are provided at the bottom of one side of the case 410. Specifically, a water tank 420 is provided in the case 410, and the cooling pipe 411 and the return pipe 412 are both communicated with the water tank 420. In this embodiment, the coolant in the water tank 420 flows out from the cooling pipe 411 through the action of the water pump, and flows through the circulating pipe and then flows into the water tank 420 again through the water return pipe 412, and in this process, the coolant exchanges heat with the condenser in the heat exchanger to reduce the temperature of the coolant, so that the temperature of the liquid cooling plate group is reduced to exchange heat with the battery pack 200, and the purpose of cooling the battery pack 200 is achieved.
Further, the refrigeration device 400 further includes a fan 430 disposed on the top of the box 410 and a vent 413 disposed on one side of the box 410, and the refrigeration device 400 forms an airflow inside the box 410 through the fan 430 and the vent 413, thereby cooling the electric appliance inside the refrigeration device 400.
In this embodiment, referring to fig. 5 to 6, the battery pack 200 is disposed at intervals along the first horizontal direction, the battery pack 200 includes a plurality of battery clusters 210 disposed at intervals along the second horizontal direction, the battery clusters 210 include a plurality of battery packs 211, the battery packs 211 in each battery cluster 210 are disposed in a plurality of rows along the second horizontal direction, and each row is disposed in a plurality of rows along the vertical direction. Specifically, the first horizontal orientation is the width direction of the standard box 100, the second horizontal direction is the width direction of the standard box 100, and the vertical direction is the height direction of the standard box 100. In this embodiment, the battery pack 211 is regularly arranged in the standard box 100, which is beneficial to heat dissipation and convenient for maintenance. Preferably, the battery pack 200 is provided with 2 batteries at intervals along the first horizontal direction, the battery pack 200 includes 6 battery clusters 210 at intervals along the second horizontal direction, and the battery packs 211 in each battery cluster 210 are provided with 2 rows along the second horizontal direction.
Further, the temperature sensor can detect the temperature of all the battery packs 211, and the controller receives the temperature information of all the battery packs 211 detected by the temperature sensor and controls the water pump to adjust the flow rate of the cooling fluid in the water tank 420 flowing into the circulation pipe according to the highest value of the temperature information.
Further, the liquid cooling plate group is provided with a plurality of liquid cooling plates 300, and the liquid cooling plates 300 and the battery package 211 one-to-one set up, can effectually increase the heat radiating area that the liquid cooling plate 300 acts on the battery package 211, improves the heat exchange efficiency of battery package 211 and liquid cooling plate 300, and is more effectual dispels the heat to the battery package 211.
Further, the battery cluster 210 further comprises a frame body 212 and a high-voltage box 214, the frame body 212 is provided with a plurality of supporting plates 213, one side of each supporting plate 213 is provided with a liquid cooling plate 300, the other side of each supporting plate 213 is provided with a battery pack 211, the high-voltage box 214 is arranged on the frame body 212 and electrically connected with the battery pack 211, and when the battery pack 211 is short-circuited or the battery pack 211 is out of control due to high temperature, the high-voltage box 214 can cut off the current of the battery pack 211 to prevent accidents. Specifically, a high pressure tank 214 is mounted at the bottom of the frame body 212. Preferably, the number of the first row of battery packs 211 of the battery cluster 210 is 7 in the vertical direction, the number of the second row of battery packs 211 of the battery cluster 210 is 8 in the vertical direction, and the high-voltage box 214 is installed at a position of the frame body 212 below the first row of battery packs 211.
In this embodiment, a liquid flow channel 310 is disposed in the liquid cooling plate 300, the liquid flow channel 310 includes a liquid inlet 311 and a liquid outlet 312, the liquid flow channels 310 of the liquid cooling plate 300 corresponding to each row of battery packs 211 are sequentially communicated, and the liquid inlet 311 of the liquid cooling plate 300 corresponding to the uppermost battery pack 211 of each row and the liquid outlet 312 of the liquid cooling plate 300 corresponding to the lowermost battery pack 211 of each row are both communicated with the refrigeration apparatus 400. In this embodiment, the cooling liquid in the refrigeration apparatus 400 flows in from the liquid inlet 311 of the liquid cooling plate 300 corresponding to the uppermost battery pack 211 in each row, sequentially flows through the liquid flow channel 310 of each liquid cooling plate 300 from top to bottom, and then flows out from the liquid outlet 312 of the liquid cooling plate 300 corresponding to the lowermost battery pack 211 in each row and flows back to the refrigeration apparatus 400.
Further, the cooling pipe 411 is in communication with the liquid inlet 311 of the liquid flow passage 310, and the water return pipe 412 is in communication with the liquid outlet 312 of the liquid flow passage 310.
Specifically, the liquid inlet 311 of the liquid cooling plate 300 corresponding to the uppermost battery pack 211 in each column of each battery pack 200 is communicated with the refrigerating device 400 through the first pipeline 600. Specifically, the first pipeline 600 is provided with a plurality of first branch pipes, and the refrigeration device 400 is communicated with the liquid inlet 311 of the liquid cooling plate 300 corresponding to the battery pack 211 at the uppermost end of each row through the first branch pipes. Further, the first pipes 600 corresponding to all the battery packs 200 are communicated with the second pipes through the first multi-way pipe joints, and the second pipes penetrate through the partition plates 110 to be communicated with the cooling pipes 411. In the embodiment, the pipeline design is economical and orderly, and the cost is saved. Further, the first multi-way pipe joint is a fireproof joint. Preferably, the first conduit 600 and the second conduit are both conduits of 1 inch or more.
Further, the liquid outlet 312 of the liquid cooling plate 300 corresponding to the battery pack 211 at the lowermost end of each column in each battery pack 200 is communicated with the refrigerating device 400 through a third pipeline. Specifically, the third pipeline is provided with a plurality of second branch pipes, and the refrigeration device 400 is communicated with the liquid outlet 312 of the liquid cooling plate 300 corresponding to the battery pack 211 at the lowermost end of each row through the second branch pipes. Further, the third pipes corresponding to all the battery packs 200 are communicated with a fourth pipe through a second multi-way pipe joint, and the fourth pipe penetrates through the partition plate 110 to be communicated with the water return pipe 412. In the embodiment, the pipeline design is economical and orderly, and the cost is saved. Further, the second multi-way pipe joint is a fire joint. Preferably, the third and fourth conduits are each 1 inch or more.
Further, the liquid channels 310 of the liquid cooling plate 300 are communicated with each other through a fifth pipeline, and the fifth pipeline is fixed along the edge of the battery rack through a buckle. Preferably, the fifth pipeline is a pipeline of 4 minutes or more.
In order to avoid the situation that the heat exchange of the single liquid flow channel 310 is not uniform, in the embodiment, referring to fig. 7 to 9, a plurality of liquid flow channels 310 are disposed in the liquid cooling plate 300, and the flow directions of the cooling liquid in the adjacent liquid flow channels 310 are opposite, so that the heat exchange between the liquid cooling plate 300 and the battery pack 211 is more uniform.
Specifically, the liquid flow channel 310 is serpentine, the liquid inlet 311 and the liquid outlet 312 of the liquid flow channel 310 are both disposed at two ends of one side of the liquid cooling plate 300, and the liquid inlet 311 and the liquid outlet 312 of the liquid flow channel 310 are alternately disposed, so that the liquid flow channels 310 between adjacent liquid cooling plates 300 are conveniently communicated. Preferably, two liquid flow channels 310 are disposed in the liquid cooling plate 300, and the same liquid flow channel 310 of each row of liquid cooling plate 300 is sequentially communicated, so that the arrangement of the fifth pipeline is regular, and the communication between the fifth pipeline and the liquid flow channel 310 is facilitated, and the order of communicating the liquid flow channels 310 between each row of liquid cooling plates 300 is not limited thereto, and is not described in detail herein.
In this embodiment, a temperature value is preset in the controller, the controller receives temperature information of each battery pack 211 detected by the temperature sensor, when the controller receives the temperature information detected by the temperature sensor, wherein the highest temperature value is greater than the preset temperature value, the controller controls the condenser to be started, the cooling liquid in the circulating pipeline exchanges heat with the condenser in the heat exchanger, meanwhile, the controller controls the water pump to adjust the flow rate of the coolant in the water tank 420 flowing into the circulation pipe, through which the coolant flows through the liquid flow channel 310 of each liquid-cooled plate 300, and after heat exchange with the corresponding battery pack 211 at the liquid cooling plate 300, the liquid flows back to the water tank 420, in this process, the temperature of the battery pack 211 is reduced until the controller receives the temperature information detected by the temperature sensor, and the highest temperature value is smaller than the preset temperature value, the controller turns off the condenser and the water pump. The box-type power supply non-contact type liquid cooling system changes the flow of the cooling liquid in the liquid flow channel 310 in the liquid cooling plate 300 by adjusting the flow of the cooling liquid in the refrigerating device 400 flowing into the circulating pipeline, so that the heat exchange efficiency of the liquid cooling plate 300 and the battery pack 200 is improved, and the energy is effectively saved.
Example two
The control method of the box-type power supply non-contact liquid cooling system in the first embodiment can be used, and as shown in fig. 10, the control method includes the following steps:
s100, the temperature sensor detects temperature information of the battery pack 200.
And S200, the refrigerating device 400 receives the temperature information and adjusts the flow rate of the cooling liquid in the refrigerating device 400 flowing into the circulating pipeline according to the temperature information.
In this embodiment, the cooling device 400 adjusts the flow rate of the cooling liquid in the cooling device 400 flowing into the circulation pipeline according to the temperature information of the battery pack 200 detected by the received temperature sensor, so as to change the flow rate of the cooling liquid in the liquid flow channel 310 in the liquid cooling plate 300, thereby improving the heat exchange efficiency between the liquid cooling plate 300 and the battery pack 200, and saving energy while maintaining the normal working temperature of the battery pack 200.
Specifically, referring to fig. 11, S200 includes the steps of:
s210, when the temperature information received by the refrigerating device 400 is less than A ℃, the refrigerating device 400 does not work.
Specifically, when the temperature information of all the battery packs 211 detected by the temperature sensors and received by the controller is less than a ℃, the water pump and the condenser do not work.
S220, when the temperature information received by the refrigerating device 400 is between A ℃ and B ℃, the refrigerating device 400 adjusts the flow rate of the cooling liquid flowing into the circulating pipeline to be 3L/min-8L/min, and the refrigerating device 400 does not work until the temperature information received by the refrigerating device 400 is less than 30 ℃.
Specifically, when the controller receives the temperature information of all the battery packs 211 detected by the temperature sensors, the highest value of the temperature is between a ℃ and B ℃, the controller controls the condenser to be started, and the cooling liquid in the circulating pipeline exchanges heat with the condenser in the heat exchanger. Further, the controller controls the water pump to pump the cooling liquid in the water tank 420, so that the cooling liquid flows in the circulation pipeline, controls the water pump to make the flow rate of the cooling liquid flowing out of the cooling pipe 411 be 3L/min to 8L/min, and makes the cooling liquid enter the circulation pipeline, flow through the liquid flow channel 310 of each liquid cooling plate 300 through the circulation pipeline, and flow back into the water tank 420 after the liquid cooling plates 300 exchange heat with the corresponding battery pack 211 at the position of the liquid cooling plate 300, and in the process, the temperature of the battery pack 211 is reduced until the controller receives the temperature information of all the battery packs 211 detected by the temperature sensor, and closes the condenser and the water pump when the highest temperature value is less than 30 ℃.
S230, when the temperature information received by the refrigerating device 400 is between B ℃ and C ℃, the refrigerating device 400 adjusts the flow rate of the cooling liquid flowing into the circulating pipeline to be 8L/min-10L/min, and the refrigerating device 400 does not work until the temperature information received by the refrigerating device 400 is less than 30 ℃.
Specifically, when the controller receives the temperature information of all the battery packs 211 detected by the temperature sensors, the highest value of the temperature is between B ℃ and C ℃, the controller controls the condenser to be kept in the open state, and the cooling liquid in the circulating pipeline exchanges heat with the condenser in the heat exchanger. Further, the controller controls the water pump to pump the cooling liquid in the water tank 420, so that the cooling liquid flows in the circulation pipeline, controls the water pump to make the flow rate of the cooling liquid flowing out of the cooling pipe 411 be 8L/min to 10L/min, and makes the cooling liquid enter the circulation pipeline, flow through the liquid flow channel 310 of each liquid cooling plate 300 through the circulation pipeline, and flow back into the water tank 420 after the liquid cooling plates 300 exchange heat with the corresponding battery pack 211 at the position of the liquid cooling plate 300, and in the process, the temperature of the battery pack 211 is reduced until the controller receives the temperature information of all the battery packs 211 detected by the temperature sensor, and closes the condenser and the water pump when the highest temperature value is less than 30 ℃.
S240, when the temperature information received by the refrigerating device 400 is higher than C ℃, the refrigerating device 400 adjusts the flow rate of the cooling liquid flowing into the circulating pipeline to be higher than 10L/min, and the refrigerating device 400 does not work until the temperature information received by the refrigerating device 400 is lower than 30 ℃.
Specifically, when the controller receives the temperature information of all the battery packs 211 detected by the temperature sensors, the highest value of the temperature is greater than C ℃, the controller controls the condenser to be kept in the open state, and the cooling liquid in the circulating pipeline exchanges heat with the condenser in the heat exchanger. Further, the controller controls the water pump to pump the cooling liquid in the water tank 420, so that the cooling liquid flows in the circulation pipeline; and the controller makes the flow of the cooling liquid flowing out from the cooling pipe 411 be more than 10L/min by controlling the water pump, the cooling liquid enters the circulating pipeline, flows through the liquid flow channel 310 of each liquid cooling plate 300 through the circulating pipeline, exchanges heat with the corresponding battery pack 211 at the liquid cooling plate 300, and then flows back to the water tank 420, in the process, the temperature of the battery pack 211 is reduced, and the controller closes the condenser and the water pump until the highest temperature value in the temperature information of all the battery packs 211 detected by the temperature sensor is less than 30 ℃ received by the controller.
Further, when the temperature information received by the refrigeration apparatus 400 is greater than C ℃, the controller sends alarm information to notify a manager to monitor the battery pack 200, and the manager limits the use power of the battery pack 200 through the control device 500, and reduces the charge-discharge rate of the battery pack 200 until the highest value of the temperatures in the temperature information of all the battery packs 211 detected by the temperature sensors received by the controller is less than 30 ℃.
Wherein, the value of A is any value from 33 to 37, the value of B is any value from 40 to 42, and the value of C is any value from 44 to 46. Preferably, B has a value of 41 or 42, A has a value of 33, 34, 36 or 37, and C has a value of 45.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a box power non-contact liquid cooling system which characterized in that includes:
a standard box (100);
a battery pack (200) provided in the standard case (100);
a liquid cooling plate group mounted on the battery pack (200);
the refrigerating device (400) is arranged in the standard box (100), cooling liquid is contained in the refrigerating device (400), the liquid cooling plate group is communicated with the refrigerating device (400) to form a circulating pipeline, and the refrigerating device (400) can reduce the temperature of the cooling liquid;
the temperature sensor is used for detecting the temperature of the battery pack (200), the temperature sensor is electrically connected with the refrigerating device (400), and the refrigerating device (400) can receive the temperature information of the temperature sensor and adjust the flow rate of the cooling liquid in the refrigerating device (400) flowing into the circulating pipeline according to the temperature information.
2. The box-type power supply non-contact liquid cooling system according to claim 1, wherein the battery pack (200) is arranged in a plurality of rows at intervals along a first horizontal direction, the battery pack (200) comprises a plurality of battery clusters (210) arranged in an interval along a second horizontal direction, the battery clusters (210) comprise a plurality of battery packs (211), the battery packs (211) in each battery cluster (210) are arranged in a plurality of rows along the second horizontal direction, and each row is arranged in a plurality of rows along a vertical direction.
3. The box-type power supply non-contact liquid cooling system according to claim 2, wherein the liquid cooling plate group is provided with a plurality of liquid cooling plates (300), and the liquid cooling plates (300) are arranged in one-to-one correspondence with the battery packs (211).
4. The box-type power supply non-contact liquid cooling system according to claim 3, wherein the battery cluster (210) further comprises:
the battery pack comprises a frame body (212), wherein a plurality of supporting plates (213) are installed on the frame body (212), the liquid cooling plate (300) is installed on one side of each supporting plate (213), and the battery pack (211) is installed on the other side of each supporting plate (213);
the high-voltage box (214) is installed on the frame body (212) and electrically connected with the battery pack (211), and when the battery pack (211) is short-circuited or the battery pack (211) is out of control at high temperature, the high-voltage box (214) can cut off the current of the battery pack (211).
5. The box-type power supply non-contact liquid cooling system according to claim 3, wherein a liquid flow channel (310) is disposed in the liquid cooling plate (300), the liquid flow channel (310) includes a liquid inlet (311) and a liquid outlet (312), the liquid flow channel (310) of the liquid cooling plate (300) corresponding to each row of the battery packs (211) is sequentially communicated, and the liquid inlet (311) of the liquid cooling plate (300) corresponding to the uppermost battery pack (211) of each row and the liquid outlet (312) of the liquid cooling plate (300) corresponding to the lowermost battery pack (211) of each row are both communicated with the refrigerating apparatus (400).
6. The box-type power supply non-contact liquid cooling system according to claim 5, wherein a plurality of liquid flow passages (310) are formed in the liquid cooling plate (300), and the flow directions of the cooling liquid in adjacent liquid flow passages (310) are opposite.
7. The box-type power supply non-contact liquid cooling system according to claim 6, wherein the liquid flow channel (310) is serpentine in shape, the liquid inlet (311) and the liquid outlet (312) of the liquid flow channel (310) are disposed at two ends of one side of the liquid cooling plate (300), and the liquid inlet (311) and the liquid outlet (312) of the liquid flow channel (310) are alternately disposed.
8. The box-type power supply non-contact liquid cooling system according to claim 1, wherein a partition (110) is provided in the standard box (100), and the refrigerating device (400) and the battery pack (200) are provided on both sides of the partition (110).
9. A control method using the box-type power supply non-contact liquid cooling system according to any one of claims 1 to 8, comprising the steps of:
s100, the temperature sensor detects temperature information of the battery pack (200);
s200, the refrigerating device (400) receives the temperature information, and adjusts the flow rate of the cooling liquid in the refrigerating device (400) flowing into the circulating pipeline according to the temperature information.
10. The control method according to claim 9, wherein the S200 specifically includes the steps of:
s210, when the temperature information received by the refrigerating device (400) is less than A ℃, the refrigerating device (400) does not work;
s220, when the temperature information received by the refrigerating device (400) is between A ℃ and B ℃, the refrigerating device (400) adjusts the flow rate of the cooling liquid flowing into the circulating pipeline to be 3L/min-8L/min until the temperature information received by the refrigerating device (400) is less than 30 ℃, and the refrigerating device (400) does not work;
s230, when the temperature information received by the refrigerating device (400) is between B ℃ and C ℃, the refrigerating device (400) adjusts the flow rate of the cooling liquid flowing into the circulating pipeline to be 8L/min-10L/min until the temperature information received by the refrigerating device (400) is less than 30 ℃, and the refrigerating device (400) does not work;
s240, when the temperature information received by the refrigerating device (400) is higher than C ℃, the refrigerating device (400) adjusts the flow rate of the cooling liquid flowing into the circulating pipeline to be higher than 10L/min, and the refrigerating device (400) does not work until the temperature information received by the refrigerating device (400) is lower than 30 ℃;
wherein, the value of A is any value from 33 to 37, the value of B is any value from 40 to 42, and the value of C is any value from 44 to 46.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115623740A (en) * | 2022-09-30 | 2023-01-17 | 湖北文理学院 | High-temperature cooling system and method based on soft starting cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115623740A (en) * | 2022-09-30 | 2023-01-17 | 湖北文理学院 | High-temperature cooling system and method based on soft starting cabinet |
| CN115623740B (en) * | 2022-09-30 | 2023-06-02 | 湖北文理学院 | High-temperature cooling system and method based on soft start cabinet |
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