CN113782854A - High-efficient intelligent temperature control system of lithium cell energy storage cabinet - Google Patents
High-efficient intelligent temperature control system of lithium cell energy storage cabinet Download PDFInfo
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- CN113782854A CN113782854A CN202110967389.7A CN202110967389A CN113782854A CN 113782854 A CN113782854 A CN 113782854A CN 202110967389 A CN202110967389 A CN 202110967389A CN 113782854 A CN113782854 A CN 113782854A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 143
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 170
- 238000012544 monitoring process Methods 0.000 claims abstract description 42
- 239000007788 liquid Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 14
- 239000012530 fluid Substances 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
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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
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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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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
- H01M10/65—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
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- 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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- Automation & Control Theory (AREA)
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Abstract
The invention discloses a high-efficiency intelligent temperature control system of a lithium battery energy storage cabinet, which comprises an energy storage cabinet and an energy storage frame, wherein the energy storage frame is arranged in the energy storage cabinet, and the high-efficiency intelligent temperature control system also comprises a shell, a constant temperature control mechanism, a first cooling mechanism, a second cooling mechanism, a third cooling mechanism, a first temperature monitoring mechanism and a second temperature monitoring mechanism; a through hole is formed in the first side of the energy storage cabinet; the first ends of the constant temperature control mechanism, the first cooling mechanism and the second cooling mechanism are all arranged in the shell, and the second end of the second cooling mechanism is arranged in the energy storage cabinet and faces the energy storage frame; the third cooling mechanism is arranged on one side, facing the energy storage frame, of the second cooling mechanism; and the first circulating end and the second circulating end of the third cooling mechanism are respectively positioned at two sides of the energy storage cabinet so as to perform cooling circulation. The invention can realize independent heat dissipation, and the cooling effect is far greater than the direct heat dissipation of the fan.
Description
The application is a divisional application with the parent application of an invention patent with the application date of 2020, 05 and 29 and the application number of 202010474644X, and the name of the invention patent is an intelligent temperature control system of a lithium battery energy storage cabinet.
Technical Field
The invention relates to the field of communication equipment, in particular to a high-efficiency intelligent temperature control system of a lithium battery energy storage cabinet.
Background
Traditional new forms of energy storage cabinet on the market, output is big, lead to producing the heat and make the temperature of energy storage cabinet rise, energy storage cabinet all is the direct high-speed operation of built-in high rotational speed fan at present, when the temperature progressively risees, air exhaust to the energy storage cabinet outside through inside and fan heat, the noise is very big, form peripheral noise pollution, energy storage cabinet inside air vortex is uneven, lead to energy storage cabinet internal power temperature unbalance easily, unusual, energy storage cabinet output is unstable, it is difficult to charge to produce energy storage cabinet stop work even, electrical aging and energy storage cabinet life shorten, safety in production problems such as the danger of explosion on fire.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a high-efficient intelligent temperature control system of lithium cell energy storage cabinet, solves the poor and big defect of noise of energy storage cabinet radiating effect.
In order to solve the technical problems, the invention adopts the technical scheme that:
a high-efficiency intelligent temperature control system of a lithium battery energy storage cabinet comprises the energy storage cabinet and an energy storage frame, wherein the energy storage frame is arranged in the energy storage cabinet, and the high-efficiency intelligent temperature control system further comprises a shell, a constant temperature control mechanism, a first cooling mechanism, a second cooling mechanism, a third cooling mechanism, a first temperature monitoring mechanism and a second temperature monitoring mechanism;
a through hole is formed in the first side of the energy storage cabinet;
the shell is arranged on the first side of the energy storage cabinet and communicated with the through hole;
the first ends of the constant temperature control mechanism, the first cooling mechanism and the second cooling mechanism are all arranged in the shell, and the second end of the second cooling mechanism is arranged in the energy storage cabinet and faces the energy storage frame;
the third cooling mechanism is arranged on one side, facing the energy storage frame, of the second cooling mechanism;
the first circulating end and the second circulating end of the third cooling mechanism are respectively positioned at two sides of the energy storage cabinet to perform cooling circulation;
the first temperature monitoring mechanism and the second temperature monitoring mechanism are respectively arranged in the shell and the energy storage cabinet;
the constant temperature control mechanism is respectively electrically connected with the first cooling mechanism, the second cooling mechanism, the third cooling mechanism, the first temperature monitoring mechanism and the second temperature monitoring mechanism.
The invention has the beneficial effects that: the invention is provided with a first temperature monitoring mechanism and a second temperature monitoring mechanism which are respectively used for monitoring the temperature in a shell and the temperature in an energy storage cabinet; set up first cooling body, second cooling body and third cooling body, wherein first cooling body is used for cooling down to second cooling body, and be used for when the heat dissipation demand in the energy storage cabinet is lower, steerable first cooling body independently cools down, when the heat dissipation demand of the unable energy storage cabinet that satisfies of cooling effect of first cooling body, thermostatic control mechanism control second cooling body independent operation or second cooling body and third cooling body operate simultaneously, cool down fast the air in the energy storage cabinet, it is big to solve energy storage cabinet noise removal, the not good defect of radiating effect, first cooling body need not continuous operation, greatly reduced noise, and third cooling body can circulative cooling, improve the radiating effect, make energy storage cabinet can steady operation, the security is higher.
Drawings
FIG. 1 is a schematic structural diagram of an efficient intelligent temperature control system of a lithium battery energy storage cabinet according to the present invention;
FIG. 2 is a schematic structural view of a second cooling mechanism of the present invention;
FIG. 3 is a schematic structural view of a third cooling mechanism of the present invention;
FIG. 4 is a top view of FIG. 3;
fig. 5 is a cross-sectional view taken along the plane a-a in fig. 4.
Description of reference numerals:
1. an energy storage cabinet; 11. a through hole;
2. an energy storage rack;
3. a housing;
4. a constant temperature control mechanism;
5. a first cooling mechanism;
6. a second cooling mechanism; 61. a plate heat exchanger; 62. a condenser; 63. an air compressor; 64. a heat exchanging part; 611. a first inlet of the plate heat exchanger; 612. a first outlet of the plate heat exchanger; 613. a second inlet of the plate heat exchanger; 614. a second outlet of the plate heat exchanger; 621. an inlet of a condenser; 631. an inlet of an air compressor; 632. an outlet of the air compressor; 641. a heat discharge port of the heat exchanging portion; 642. a cooling port of the heat exchanging portion;
7. a third cooling mechanism; 71. a cooling plate; 72. a circulation pipe; 73. a circulating fan; 74. an air outlet pipe; 75. an air inlet pipe;
8. a first temperature monitoring mechanism;
9. a second temperature monitoring mechanism;
10. a flow divider; 101. an air intake passage; 102. a conical diverter body;
20. an arc extinguishing device.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 5, an efficient intelligent temperature control system for a lithium battery energy storage cabinet includes an energy storage cabinet and an energy storage rack, wherein the energy storage rack is installed in the energy storage cabinet, and further includes a housing, a constant temperature control mechanism, a first cooling mechanism, a second cooling mechanism, a third cooling mechanism, a first temperature monitoring mechanism and a second temperature monitoring mechanism;
a through hole is formed in the first side of the energy storage cabinet;
the shell is arranged on the first side of the energy storage cabinet and communicated with the through hole;
the first ends of the constant temperature control mechanism, the first cooling mechanism and the second cooling mechanism are all arranged in the shell, and the second end of the second cooling mechanism is arranged in the energy storage cabinet and faces the energy storage frame;
the third cooling mechanism is arranged on one side, facing the energy storage frame, of the second cooling mechanism;
the first circulating end and the second circulating end of the third cooling mechanism are respectively positioned at two sides of the energy storage cabinet to perform cooling circulation;
the first temperature monitoring mechanism and the second temperature monitoring mechanism are respectively arranged in the shell and the energy storage cabinet;
the constant temperature control mechanism is respectively electrically connected with the first cooling mechanism, the second cooling mechanism, the third cooling mechanism, the first temperature monitoring mechanism and the second temperature monitoring mechanism.
The working principle of the invention is as follows:
the first cooling mechanism is suitable for heat dissipation when the heat dissipation requirement of the energy storage cabinet is low or is used for cooling one end, located in the shell, of the second cooling mechanism when the temperature of the second cooling mechanism is too high;
the second cooling mechanism and the third cooling mechanism are used for circularly cooling air and are suitable for the energy storage cabinet when the heat dissipation requirement is high;
the first cooling mechanism and the second cooling mechanism can independently operate, the third cooling mechanism is used for operating when the second cooling mechanism operates and radiating when the heat dissipation requirement in the energy storage cabinet is too high, the third cooling mechanism and the second cooling mechanism operate simultaneously to dissipate heat, the heat dissipation effect of the second cooling mechanism is enhanced, and the purpose of quickly dissipating heat of the energy storage cabinet is achieved.
From the above description, the beneficial effects of the present invention are: the invention is provided with a first temperature monitoring mechanism and a second temperature monitoring mechanism which are respectively used for monitoring the temperature in a shell and the temperature in an energy storage cabinet; set up first cooling body, second cooling body and third cooling body, wherein first cooling body is used for cooling down to second cooling body, and be used for when the heat dissipation demand in the energy storage cabinet is lower, steerable first cooling body independently cools down, when the heat dissipation demand of the unable energy storage cabinet that satisfies of cooling effect of first cooling body, thermostatic control mechanism control second cooling body independent operation or second cooling body and third cooling body operate simultaneously, cool down fast the air in the energy storage cabinet, it is big to solve energy storage cabinet noise removal, the not good defect of radiating effect, first cooling body need not continuous operation, greatly reduced noise, and third cooling body can circulative cooling, improve the radiating effect, make energy storage cabinet can steady operation, the security is higher.
Further, the first cooling mechanism is a speed-adjustable fan.
According to the description, the output power is subjected to heat dissipation and heat exchange heat dissipation according to the current working actual state inside the energy storage cabinet, the rotating speed of the speed-adjustable fan is automatically adjusted through the constant-temperature control mechanism, energy is saved, consumption is reduced, the lithium battery in the energy storage cabinet is at the optimal working temperature, the speed-adjustable fan is outside the energy storage cabinet, echo amplification in the energy storage cabinet cannot be caused, the rotating speed is adjustable, and noise pollution generated during working of the energy storage cabinet is effectively reduced.
Further, the second cooling mechanism comprises a plate heat exchanger, a condenser, an air compressor and a heat exchange part;
the heat exchange part is positioned in the energy storage cabinet;
the heat exhaust port of the heat exchange part is communicated with the first inlet of the plate heat exchanger;
the first outlet of the plate heat exchanger is communicated with the inlet of the condenser through a thermal expansion valve;
an outlet of the condenser is communicated with an inlet of the air compressor, and an outlet of the air compressor is communicated with a second inlet of the plate heat exchanger;
a cooling port of the heat exchanging part is communicated with a second outlet of the plate heat exchanger;
and the constant temperature control mechanism is respectively electrically connected with the first cooling mechanism and the air compressor.
According to the description, the condensation cooling treatment through the condenser and the cooling treatment of the air compressor are carried out, the hot fluid is fully cooled and then becomes a cold fluid, the hot fluid enters the plate heat exchanger to exchange heat with the hot fluid, a circulation is formed between the plate heat exchanger and the condenser and the air compressor, another circulation is formed between the heat exchange portion and the plate heat exchanger, the hot fluid output by the heat exchange portion enters the plate heat exchanger to exchange heat with the cold fluid cooled by the condenser and the air compressor, the cooling of the fluid is realized, the cooling of the internal environment of the energy storage cabinet is realized in a heat exchange mode, the heat dissipation performance is good, and the safety is high.
Further, the heat exchanging part is a liquid cooling heat exchanging plate.
According to the above description, the liquid cooling heat exchange plate is adopted for exchanging heat for the air in the energy storage cabinet, and the cooling efficiency is improved.
Further, the third cooling mechanism comprises a cooling plate, a circulating pipe, a circulating fan, an air outlet pipe and an air inlet pipe;
the cooling plate is arranged on one side, facing the energy storage frame, of the second cooling mechanism;
the circulating pipe is arranged on one side, facing the energy storage rack, of the cooling plate;
the air inlet of the circulating pipe is positioned at the bottom of one side of the cooling plate, which faces the energy storage rack, and the air outlet of the circulating pipe is positioned at the top of one side of the cooling plate, which faces the energy storage rack;
the circulating fan is arranged at the bottom of the inner side of the energy storage cabinet and is positioned on one side of the energy storage rack;
the air inlet pipe is communicated with an air inlet of the circulating pipe through the circulating fan;
the air outlet pipe is positioned on the other side of the energy storage rack and is communicated with an air outlet of the circulating pipe;
and the circulating fan is electrically connected with the constant temperature control mechanism.
Furthermore, the air inlet of the circulating pipe and the air outlet of the circulating pipe are arranged diagonally.
According to the above description, the circulating fan and the circulating pipe are arranged for realizing the circulating cooling of the air in the energy storage cabinet; the cooling plate is arranged and used for transferring heat to the air in the circulating pipe, so that the cooling effect on the air in the energy storage cabinet is enhanced; the air inlet and the air outlet of the circulating pipe are diagonally arranged and are respectively positioned at two sides of the energy storage rack, wherein the density of cold air is greater than that of hot air, so that the air inlet of the circulating pipe is arranged at the bottom of the cooling plate, and the air outlet is arranged at the top of the cooling plate and is used for enabling the cold air to downwards spread from the top of the energy storage cabinet to comprehensively cover and cool the inner space of the energy storage cabinet.
Further, the device also comprises a flow divider;
the shunt is arranged at the top of the energy storage frame;
the air outlet pipe is communicated with the air inlet at the top of the flow divider;
and the air outlet of the flow divider is arranged at the top of the energy storage frame in a surrounding manner.
According to the above description, the flow divider is arranged and located at the top of the energy storage frame, so that cold air coming out of the air outlet pipe can be uniformly distributed in the energy storage cabinet through the flow divider, uniform cooling is realized, and the heat dissipation effect is improved.
Further, still include arc extinguishing device, arc extinguishing device install in the energy storage cabinet.
As can be seen from the above description, the arc extinguishing device is used to prevent a fire from occurring due to the generation of sparks in the first housing internal circuit, thereby improving safety.
The first embodiment of the invention is as follows:
referring to fig. 1 to 5, a high-efficiency intelligent temperature control system for a lithium battery energy storage cabinet includes an energy storage cabinet 1 and an energy storage rack 2, wherein the energy storage rack 2 is installed in the energy storage cabinet 1, and further includes a housing 3, a constant temperature control mechanism 4, a first cooling mechanism 5, a second cooling mechanism 6, a third cooling mechanism 7, a first temperature monitoring mechanism 8 and a second temperature monitoring mechanism 9;
a through hole 11 is formed in the first side of the energy storage cabinet 1;
the shell 3 is arranged on the first side of the energy storage cabinet 1 and communicated with the through hole 11;
the first ends of the constant temperature control mechanism 4, the first cooling mechanism 5 and the second cooling mechanism 6 are all arranged in the shell 3, and the second end of the second cooling mechanism 6 is arranged in the energy storage cabinet 1 and faces the energy storage frame 2;
the third cooling mechanism 7 is arranged on one side of the second cooling mechanism 6 facing the energy storage frame 2;
the first circulating end and the second circulating end of the third cooling mechanism 7 are respectively positioned at two sides of the energy storage cabinet 1 to perform cooling circulation;
the first temperature monitoring mechanism 8 and the second temperature monitoring mechanism 9 are respectively arranged in the shell 3 and the energy storage cabinet 1;
the constant temperature control mechanism 4 is electrically connected with the first cooling mechanism 5, the second cooling mechanism 6, the third cooling mechanism 7, the first temperature monitoring mechanism 8 and the second temperature monitoring mechanism 9 respectively.
Preferably, the constant temperature control mechanism 4 is a constant temperature independent controller;
preferably, the first temperature monitoring mechanism 8 and the second temperature monitoring mechanism 9 are temperature sensors;
preferably, the first cooling mechanism 5 is a speed adjustable fan.
Referring to fig. 1, the second cooling mechanism 6 includes a plate heat exchanger 61, a condenser 62, an air compressor 63, and a heat exchanging portion 64;
the heat exchanging part 64 is arranged in the energy storage cabinet 1;
the heat exhaust port 641 of the heat exchanging part is communicated with the first inlet 611 of the plate heat exchanger;
the first outlet 612 of the plate heat exchanger is communicated with the inlet 621 of the condenser through a thermal expansion valve 65;
the outlet 622 of the condenser is in communication with the inlet 631 of the air compressor, and the outlet 632 of the air compressor is in communication with the second inlet 613 of the plate heat exchanger;
the cooling port 642 of the heat exchanging part is communicated with the second outlet 614 of the plate heat exchanger;
the constant temperature control mechanism 4 is electrically connected with the first cooling mechanism 5 and the air compressor 63, respectively.
Preferably, the air compressor 63 is an electronic air conditioning compressor;
specifically, the plate heat exchanger 61 is respectively communicated with the heat exchange part 64, the air compressor 63 and the thermostatic expansion valve 65 through pipelines;
the thermal expansion valve 65 is communicated with the condenser 62, and the condenser 62 is communicated with the air compressor 63 through pipelines;
the pipelines of the heat exchange part 64 connected with the plate heat exchanger 61 pass through the through hole 11 to realize communication;
preferably, the heat exchanging portion 64 is a liquid-cooled heat exchanging plate, and the fluid in the heat exchanging portion 64 is a cooling liquid;
referring to fig. 3 to 5, the third cooling mechanism 7 includes a cooling plate 71, a circulation pipe 72, a circulation fan 73, an air outlet pipe 74, and an air inlet pipe 75;
the cooling plate 71 is arranged on one side of the second cooling mechanism 6 facing the energy storage frame 2;
the circulating pipe 72 is installed on one side of the cooling plate 71 facing the energy storage rack 2;
the air inlet of circulation pipe 72 is located at the bottom of the side of cooling plate 71 facing energy storage rack 2, and the air outlet of circulation pipe 72 is located at the top of the side of cooling plate 71 facing energy storage rack 2;
the circulating fan 73 is arranged at the bottom of the inner side of the energy storage cabinet 1 and is positioned at one side of the energy storage frame 2;
the air inlet pipe 75 is communicated with the air inlet of the circulation pipe 72 through the circulation fan 73;
the air outlet pipe 74 is positioned at the other side of the energy storage rack 2 and is communicated with an air outlet of the circulating pipe 72;
the circulation fan 73 is electrically connected to the thermostatic control mechanism 4.
Preferably, the circulation pipe 72 and the cooling plate 71 are integrally formed, and the material selected is copper;
specifically, the cooling plate 71 is welded to the heat exchanging portion 64;
referring to fig. 3, the air inlet of the circulation pipe 72 and the air outlet of the circulation pipe 72 are diagonally disposed.
Referring to fig. 1, a flow splitter 10 is also included;
the shunt 10 is arranged at the top of the energy storage frame 2;
the air outlet pipe 74 is communicated with an air inlet at the top of the flow divider 10;
the air outlet of the flow divider 10 is arranged at the top of the energy storage frame 2 in a surrounding manner.
Preferably, the flow divider 10 comprises an air inlet channel 101 and a conical flow divider body 102, the air inlet channel 101 is centrally arranged at the top of the conical flow divider body 102, an exhaust gap with a distance of 4 cm-6 cm is reserved between the air inlet channel 101 and the conical flow divider body 102, and the top of the air inlet channel 101 is communicated with the air outlet pipe 74;
referring to fig. 1, the energy storage cabinet further includes an arc extinguishing device 20, and the arc extinguishing device 20 is installed in the energy storage cabinet 1.
Specifically, arc extinguishing device 20 installs in energy storage cabinet 1 inner wall, for example can set up in the high-voltage apparatus position for self-starting when energy storage cabinet internal module (for example high-voltage apparatus) and power arc starting or short circuit realizes the arc extinguishing and puts out a fire, ensures the holistic security of energy storage cabinet.
The specific implementation process of the invention is as follows:
the constant temperature control mechanism is provided with five threshold values, and when the temperature monitored by the second temperature monitoring mechanism is greater than the first threshold value or the temperature monitored by the first temperature monitoring mechanism is greater than the second threshold value, the first cooling mechanism is started;
when the temperature monitored by the second temperature monitoring mechanism is higher than a third threshold value, starting the second cooling mechanism and closing the first cooling mechanism when the monitored temperature of the first temperature monitoring mechanism is lower than the second threshold value;
when the temperature monitored by the second temperature monitoring mechanism is greater than a fourth threshold value, starting the third cooling mechanism to enable the third cooling mechanism and the second cooling mechanism to operate simultaneously;
when the temperature monitored by the second temperature monitoring mechanism is lower than a fifth threshold value, the second cooling mechanism and the third cooling mechanism are closed;
wherein, the size relation of the five thresholds is as follows: the fifth threshold value < the first threshold value < the second threshold value < the third threshold value < the fourth threshold value.
In summary, in the intelligent temperature control design of the lithium battery energy storage cabinet provided by the invention, the third cooling mechanism is arranged for enhancing the cooling effect of the second cooling mechanism, and is used for circularly cooling the air in the energy storage cabinet to achieve the purpose of rapid heat dissipation, and the lithium battery in the energy storage cabinet can work at a proper temperature; the second temperature monitoring mechanism is used for monitoring the temperature in the energy storage cabinet, so that the constant temperature control mechanism can be regulated and controlled in real time, when the temperature in the energy storage cabinet is too low, the third cooling mechanism stops running, and the first cooling mechanism and the second cooling mechanism are independently regulated and controlled by the constant temperature control mechanism according to the real-time temperature. The invention can realize independent temperature control, has a cooling effect superior to that of a direct heat radiation mode of a fan, and ensures the overall safety of the energy storage cabinet.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (4)
1. The efficient intelligent temperature control system of the lithium battery energy storage cabinet comprises the energy storage cabinet and an energy storage frame, wherein the energy storage frame is arranged in the energy storage cabinet;
a through hole is formed in the first side of the energy storage cabinet;
the shell is arranged on the first side of the energy storage cabinet and communicated with the through hole;
the first temperature monitoring mechanism and the second temperature monitoring mechanism are respectively arranged in the shell and the energy storage cabinet;
the constant temperature control mechanism is electrically connected with the first cooling mechanism, the second cooling mechanism, the third cooling mechanism, the first temperature monitoring mechanism and the second temperature monitoring mechanism respectively;
the first cooling mechanism is a speed-adjustable fan;
the second cooling mechanism comprises a plate type heat exchanger, a condenser, an air compressor and a heat exchange part;
the first cooling mechanism, the plate heat exchanger, the condenser and the air compressor are all arranged in the shell, the first cooling mechanism is arranged towards the condenser, and the heat exchanging part is positioned in the energy storage cabinet;
the heat exhaust port of the heat exchange part is communicated with the first inlet of the plate heat exchanger;
the first outlet of the plate heat exchanger is communicated with the inlet of the condenser through a thermal expansion valve;
an outlet of the condenser is communicated with a second inlet of the plate heat exchanger through the air compressor;
a cooling port of the heat exchanging part is communicated with a second outlet of the plate heat exchanger;
the constant temperature control mechanism is electrically connected with the first cooling mechanism and the air compressor respectively;
the third cooling mechanism comprises a cooling plate, a circulating pipe, a circulating fan, an air outlet pipe and an air inlet pipe;
the cooling plate is arranged on one side, facing the energy storage frame, of the heat exchanging part;
the circulating pipe is arranged on one side, facing the energy storage rack, of the cooling plate;
the air inlet of the circulating pipe is positioned at the bottom of the cooling plate, and the air outlet of the circulating pipe is positioned at the top of the cooling plate;
the air inlet pipe is communicated with an air inlet of the circulating pipe through the circulating fan;
the air outlet pipe is positioned on the other side of the energy storage rack and is communicated with an air outlet of the circulating pipe;
and the circulating fan is electrically connected with the constant temperature control mechanism.
2. The efficient intelligent temperature control system for the lithium battery energy storage cabinet as claimed in claim 1, wherein the heat exchanging part is a liquid cooling heat exchanging plate.
3. The efficient intelligent temperature control system for the lithium battery energy storage cabinet as claimed in claim 1, wherein the air inlet of the circulating pipe and the air outlet of the circulating pipe are diagonally arranged.
4. The efficient intelligent temperature control system for the lithium battery energy storage cabinet is characterized by further comprising a current divider;
the shunt is arranged at the top of the energy storage frame;
the air outlet pipe is communicated with the air inlet at the top of the flow divider;
and the air outlet of the flow divider is arranged at the top of the energy storage frame in a surrounding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110967389.7A CN113782854B (en) | 2020-05-29 | 2020-05-29 | High-efficient intelligent temperature control system of lithium cell energy storage cabinet |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010474644.XA CN111540971B (en) | 2020-05-29 | 2020-05-29 | An intelligent temperature control system for lithium battery energy storage cabinet |
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| CN113782854B (en) | 2024-05-14 |
| CN113782853A (en) | 2021-12-10 |
| CN111540971B (en) | 2021-10-15 |
| CN111540971A (en) | 2020-08-14 |
| CN113782853B (en) | 2024-09-13 |
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