CN109904364B - Energy storage container - Google Patents
Energy storage container Download PDFInfo
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- CN109904364B CN109904364B CN201910129613.8A CN201910129613A CN109904364B CN 109904364 B CN109904364 B CN 109904364B CN 201910129613 A CN201910129613 A CN 201910129613A CN 109904364 B CN109904364 B CN 109904364B
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- storage container
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- 238000004146 energy storage Methods 0.000 title claims abstract description 78
- 238000010438 heat treatment Methods 0.000 claims description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an energy storage container, which comprises a container body, an integrated variable-frequency air conditioner arranged at the top of the container body, and an energy storage carrier arranged in the container body; an air supply port and an air return port are formed in a top plate of the box body, and the air supply port and the air return port are respectively communicated with an air outlet and an air inlet of the integrated variable-frequency air conditioner; an air supply cavity communicated with the air supply opening and an air return cavity communicated with the air return opening are arranged in the box body, so that the air return cavity, the integrated variable frequency air conditioner and the air supply cavity are communicated to form an air circulation loop; the energy storage carrier is positioned in the return air cavity. The energy storage container is provided with the integrated variable frequency air conditioner for intelligently controlling and adjusting the temperature in the container body, the integrated variable frequency air conditioner is externally arranged at the top of the container body, the internal space of the container body is not occupied, and meanwhile, large-area air supply can be realized, so that the temperature control requirement of an energy storage carrier in the container body is met.
Description
Technical Field
The invention relates to the technical field of energy storage, in particular to an energy storage container.
Background
Along with the high-speed development of photovoltaic and battery technologies in recent years, an energy storage carrier is developed from a storage battery to a lithium battery with high-performance charge-discharge multiplying power, and an energy storage container with the advantages of high protection and convenience in moving replaces an original fixed building structure for an energy storage carrier protection and storage platform. In order to enable the energy storage carrier lithium battery to be at a certain temperature, the current industry adopts a household split air conditioner or a large-size industrial air conditioner to be installed in an energy storage container, and a plurality of split air conditioners (an outdoor unit and an indoor unit of the split air conditioner are respectively installed on the outer side and the inner side of the energy storage container) or a large-power large-size industrial air conditioner is installed in the energy storage container to meet the temperature control requirement in the energy storage container. The split air conditioner and the industrial air conditioner occupy the space in the energy storage container, and are limited by the air supply mode and the air supply distance of the air conditioner, and the temperature of the energy storage carrier lithium battery in the energy storage container is uneven, so that the service lives of the energy storage carrier lithium batteries are inconsistent, and the integral lithium battery is scrapped to cause unnecessary waste. For the energy storage container in the remote zone, the periphery is not provided with civil power supply, so that the split air conditioner and the industrial air conditioner cannot operate, and the photovoltaic energy storage container cannot be built in the remote zone.
Chinese patent CN201720419487.6 discloses a battery container air conditioner, which comprises a box body, an air conditioner and a battery rack for storing batteries, wherein the battery rack and the air conditioner are arranged in the box body, and a cold air duct and a hot air duct are arranged in the box body. The air outlet of the evaporator of the air conditioner is communicated with the cold air duct, the air inlet of the evaporator of the air conditioner is communicated with the hot air duct, one side of the battery rack is communicated with the cold air duct necklace, the other side of the battery rack is communicated with the hot air duct necklace, the air passing through the evaporator of the air conditioner sequentially passes through the cold air duct and the battery rack, and after the temperature of the battery on the battery rack is reduced, the air enters the hot air duct and then returns to the evaporator of the air conditioner, so that the circulation is realized. On the one hand, the arrangement mode in the patent increases the installation space of the cold air channel, the hot air channel and the air conditioner in the box body, occupies larger space in the box body, and meanwhile, the conventional air conditioner in the market cannot meet the large-area air supply lift, so that the temperature control requirement of the energy storage carrier battery in the container cannot be really met.
Disclosure of Invention
The invention aims to solve the technical problem of providing an energy storage container with an improved temperature control effect.
The technical scheme adopted for solving the technical problems is as follows: the energy storage container comprises a container body, an integrated variable frequency air conditioner arranged at the top of the container body, and an energy storage carrier arranged in the container body; an air supply port and an air return port are formed in a top plate of the box body, and the air supply port and the air return port are respectively communicated with an air outlet and an air inlet of the integrated variable-frequency air conditioner;
an air supply cavity communicated with the air supply opening and an air return cavity communicated with the air return opening are arranged in the box body, so that the air return cavity, the integrated variable frequency air conditioner and the air supply cavity are communicated to form an air circulation loop; the energy storage carrier is positioned in the return air cavity;
air in the return air cavity enters the integrated variable-frequency air conditioner through the return air inlet and the air inlet, and then passes through the air outlet and the air supply outlet after being refrigerated or heated to enter the air supply cavity, and is sent into the return air cavity through the air supply cavity to cool or heat the energy storage carrier.
Preferably, the energy storage container further comprises an air supply plate, and the air supply plate divides the internal space of the container body into the air supply chamber and the air return chamber; and a plurality of air supply holes communicated with the air supply chamber and the air return chamber are distributed on the air supply plate.
Preferably, the air supply port and the air return port are arranged on the top plate of the box body side by side; the top of the air supply plate is positioned between the air supply opening and the air return opening and is connected with the top plate of the box body, and the bottom of the air supply plate is connected with the bottom plate of the box body.
Preferably, the return air chamber is located at the middle part in the box body, and the air supply chamber is located between the air supply plate and the box wall of the box body.
Preferably, the energy storage carrier is a lithium battery module.
Preferably, the energy storage container further comprises at least one emergency fan which is arranged on the wall of the container body and communicated with the air supply cavity; the integrated variable-frequency air conditioner is electrically connected with the emergency fan and controls the start and stop of the emergency fan.
Preferably, the integrated variable frequency air conditioner comprises a base, a cold source circulation system, a fan system, an auxiliary heating system and an electric control system which are arranged on the base, and a top cover covered on the base;
the cold source circulation system, the fan system and the auxiliary heating system are electrically connected with the electric control system; the air outlet and the air inlet are arranged on the base and correspond to the fan system.
Preferably, two air outlets are arranged and are positioned on two opposite sides of the air inlet;
the fan system comprises a first fan set arranged at the air inlet and two groups of second fan sets respectively arranged at the two air outlets.
Preferably, the auxiliary heating system is disposed between the first fan set and the second fan set.
Preferably, the electric control system is provided with an alternating current unit, a direct current unit or a mixed alternating current-direct current unit.
Preferably, the electric control system is provided with a remote monitoring unit in communication connection with a command platform or a management center, and the command platform or the management center monitors the running state of the integrated variable-frequency air conditioner and the temperature condition in the box body in real time through the remote monitoring unit.
According to the energy storage container, the integrated variable frequency air conditioner is arranged to intelligently control and regulate the temperature in the container body, and is externally arranged at the top of the container body, so that the space in the container body is not occupied, large-area air supply can be realized, and the temperature control requirement of the energy storage carrier in the container body is met.
In addition, an alternating current unit, a direct current unit or a mixed alternating current-direct current unit is arranged through an electric control system in the integrated variable frequency air conditioner, so that the integrated variable frequency air conditioner can not only adopt industrial power supply, but also take power from an energy storage carrier, and further the construction of an energy storage container in a remote zone is realized.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic illustration of the structure of an energy storage container in accordance with an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the energy storage container of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the inverter air conditioner of the energy storage container of FIG. 2;
fig. 4 is a schematic view of a base structure of the inverter air conditioner shown in fig. 2;
fig. 5 is a schematic view of a partially enlarged construction of a wind deflector in the energy storage container of fig. 2.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 and 2, the energy storage container according to an embodiment of the present invention includes a case 10, an integrated variable frequency air conditioner 20 installed at the top of the case 10, and an energy storage carrier 30 installed in the case 10.
An air supply port 101 and an air return port 102 are arranged on the top plate 11 of the box body 10, and the air supply port 101 and the air return port 102 are respectively communicated with an air outlet 201 and an air inlet 202 of the integrated variable frequency air conditioner 20. An air supply chamber 103 and a return air chamber 104 are arranged in the box body 10, and the energy storage carrier 30 is positioned in the return air chamber 104. The air supply chamber 103 is communicated with the air supply port 101, and the return air chamber 104 is communicated with the return air port 102, so that the return air chamber 104, the integrated variable frequency air conditioner 20 and the air supply chamber 103 are communicated to form an air circulation loop, and air circulates in the air circulation loop. Wherein, the air in the return air chamber 104 enters the integrated variable frequency air conditioner 20 through the return air inlet 102 and the air inlet 202, and then enters the air supply chamber 103 through the air outlet 201 and the air supply outlet 101 after being refrigerated or heated, and is sent into the return air chamber 104 through the air supply chamber 103 to cool or heat the energy storage carrier 30, and the heat generated by the energy storage carrier 30 in the charging and discharging processes is taken away, thereby realizing the uniformity of the overall temperature of the energy storage carrier 30.
The integrated variable frequency air conditioner 20 is specifically arranged on the outer side of the top plate 12 of the box body 10, does not occupy the space in the box body 10, and meets the requirement of large-area air supply; compared with a split variable frequency air conditioner, the split variable frequency air conditioner omits pipeline connection and installation space between split machines. The integrated variable frequency air conditioner 20 can automatically adjust the output of refrigerating or heating capacity according to the temperature load in the box 10 or the energy storage carrier 20, thereby realizing the energy saving of the air conditioner.
As shown in fig. 2 to 4, the integrated variable frequency air conditioner 20 may include a base 21, a top cover 22, a cold source circulation system 23, a fan system 24, an auxiliary heating system 25, and an electric control system 26; the cold source circulation system 23, the fan system 24 and the auxiliary heating system 25 are all electrically connected with the electric control system 26. The cold source circulation system 23, the fan system 24, the auxiliary heating system 25 and the electric control system 26 are sequentially installed on the base 21. The top cover 22 is covered on the base 21 to form a shell of the integrated variable frequency air conditioner 20, and the cold source circulation system 23, the fan system 24, the auxiliary heating system 25 and the electric control system 26 are enclosed in the shell.
The air outlet 201 and the air inlet 202 are disposed on the base 21 and correspond to the fan system 24. The fan system 24 includes a first fan set 241 disposed at the air intake 202, and a second fan set 241 disposed at the air outlet 201. The first fan set 241 further includes a plurality of first fans, and draws air from the air intake 202 and the air return 102 connected to the air intake 202, so as to suck the air in the air return chamber 104 into the integrated variable frequency air conditioner for cooling or heating. The second fan set 242 may include a plurality of second fans to send the cooled or heated air into the air supply chamber 103 through the air outlet 201 and the air supply port 101.
In this embodiment, as shown in fig. 4, two air outlets 201 are disposed on the base 21 and are respectively located at two opposite sides of the air inlet 202, so as to form a left air inlet and a right air inlet. Correspondingly, the fan system 24 includes two sets of second fan sets 242 respectively disposed at the two air outlets 201.
As shown in fig. 2, two air outlets 201 are correspondingly arranged on the top plate 11 of the box body 10, and two air outlets 101 are respectively in butt joint communication with the two air outlets 201. The return air inlet 102 is located between the two air supply outlets 101 and is in butt joint communication with the air inlet 202.
The base 21 may be divided into two regions, a first region of greater area and a second region of lesser area. The cold source circulation system 23 is used for refrigerating air and may be installed adjacent to the electronic control system 26 on the second area of the base 21. The air outlet 201 and the air inlet 202 are disposed on a first area, and the fan system 24 is correspondingly mounted on the first area. The auxiliary heating system 25 is used for heating the air and is arranged between the first fan set and the second fan set. The auxiliary heating system 25 may include a PTC auxiliary heater.
The electric control system 26 is provided with an alternating current unit, a direct current unit or a mixed alternating current/direct current unit, so that the integrated variable frequency air conditioner 20 can adopt an industrial power supply mode and an energy storage carrier power supply mode, and further the construction of the energy storage container in a remote zone is realized. Under the condition that the zone where the energy storage container is located does not provide an alternating current working power supply, the electric control system 26 can directly provide a direct current working power supply after processing the output power supply of the energy storage carrier 30, and the integrated variable frequency air conditioner 20 can normally refrigerate or heat.
Further, the electronic control system 26 is also provided with a remote monitoring unit, which is in communication connection with the command platform or the management center, so that the operation state of the integrated variable frequency air conditioner 20 and the temperature condition inside the box 10 can be monitored in real time on the command platform or the management center.
The energy storage carrier 30 may be a lithium battery module.
Further, as shown in fig. 2 and 5, the energy storage container of the present invention further includes an air blast plate 40, and the air blast plate 40 partitions the interior space of the container body 10 into an air blast chamber 103 and an air return chamber 104. The air supply plate 40 is provided with a plurality of air supply holes 41 which are communicated with the air supply chamber 103 and the air return chamber 104, so that air in the air supply chamber 103 uniformly enters the air return chamber 104 through the air supply holes 41 and is blown to the energy storage carrier 30.
The supply port 101 and the return port 102 are arranged side by side on the top plate 11 of the case 10. The top of the air supply plate 40 is positioned between the air supply port 101 and the air return port 102 and is connected with the top plate 11 of the box body 10, and the bottom of the air supply plate 40 is connected with the bottom plate 12 of the box body 10.
Specifically, as shown in fig. 2, the air supply plate 40 includes two air return chambers 104 disposed at opposite sides of the energy storage carrier 30 in the case 10, such that a space between the two air supply plates 40 forms the air return chamber 104, and the air return chamber 104 is located at the middle inside the case 10. The air supply chamber 103 is located between the air supply plate 40 and the wall of the case 10. The air supply port 101 is correspondingly arranged above and communicated with the air supply chamber 103 on the top plate 11, and the air return port 102 is correspondingly arranged above and communicated with the air return chamber 104.
Further, the energy storage container of the present invention further comprises at least one emergency fan 50 mounted on the wall 13 of the housing 10. The emergency fan 50 is communicated with the air supply cavity 103, and heat in the box 10 can be discharged into the external environment through the operation of the emergency fan 50, so that the overall power consumption of the integrated variable frequency air conditioner 20 can be reduced.
The integrated variable frequency air conditioner 20 is electrically connected with the emergency fan 50 and controls the start and stop of the emergency fan 50. When the integrated variable frequency air conditioner 20 detects that the air entering from the air return port 102 of the box body 10 needs to be treated, the integrated variable frequency air conditioner 20 sends out an instruction to the emergency fan 50 to control the emergency fan 50 to start to operate, controls the continuous operation time, synchronously detects the air quality in the box body 10 again until the air quality meets the requirement, and sends out an instruction to the emergency fan 50 to control the emergency fan 108 to stop operating.
When the integrated variable frequency air conditioner 20 of the energy storage container works, the integrated variable frequency air conditioner 20 can be intelligently controlled according to the internal temperature of the box body 10 or the temperature of the energy storage carrier 30. When the temperature inside the box 10 or the temperature of the energy storage carrier 30 is too high (exceeds a preset first temperature), the integrated variable frequency air conditioner 20 starts a refrigeration mode to provide cold for the inside of the box 10 until the temperature inside the box 10 or the temperature of the energy storage carrier 30 is reduced to a set temperature; when the temperature inside the cabinet 10 or the energy storage carrier 30 is too low (lower than the preset second temperature) (the energy storage carrier 30 cannot be charged), the integrated variable frequency air conditioner 20 starts the heating mode to supply heat to the inside of the cabinet 10 until the temperature inside the cabinet 10 or the energy storage carrier 30 rises to the set temperature. When the temperature inside the box 10 or the temperature of the energy storage carrier 30 is higher than the temperature of the air outside the box 10 by a set range, the integrated variable frequency air conditioner 20 controls the emergency fan 50 to start to operate, and the emergency fan 50 discharges the heat inside the box 10 to the external environment, so that the overall power consumption of the integrated variable frequency air conditioner 20 can be reduced.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (8)
1. The energy storage container is characterized by comprising a container body (10), an integrated variable-frequency air conditioner (20) arranged at the top of the container body (10), and an energy storage carrier (30) arranged in the container body (10); an air supply port (101) and an air return port (102) are arranged on a top plate (11) of the box body (10), and the air supply port (101) and the air return port (102) are respectively communicated with an air outlet (201) and an air inlet (202) of the integrated variable-frequency air conditioner (20);
an air supply cavity (103) communicated with the air supply port (101) and an air return cavity (104) communicated with the air return port (102) are arranged in the box body (10), so that the air return cavity (104), the integrated variable-frequency air conditioner (20) and the air supply cavity (103) are communicated to form an air circulation loop; the energy storage carrier (30) is positioned in the return air chamber (104);
air in the return air chamber (104) enters the integrated variable-frequency air conditioner (20) through the return air inlet (102) and the air inlet (202), is cooled or heated, then enters the air supply chamber (103) through the air outlet (201) and the air supply opening (101), is sent into the return air chamber (104) through the air supply chamber (103), and cools or heats the energy storage carrier (30);
the energy storage container further comprises an air supply plate (40), and the air supply plate (40) divides the internal space of the box body (10) into an air supply cavity (103) and an air return cavity (104); a plurality of air supply holes (41) communicated with the air supply chamber (103) and the air return chamber (104) are distributed on the air supply plate (40);
the energy storage container also comprises at least one emergency fan (50) which is arranged on the wall of the container body (10) and is communicated with the air supply cavity (103); the integrated variable-frequency air conditioner (20) is electrically connected with the emergency fan (50) and controls the starting and stopping of the emergency fan (50).
2. The energy storage container according to claim 1, characterized in that the supply and return air openings (101, 102) are arranged side by side on the roof (11) of the container body (10); the top of the air supply plate (40) is positioned between the air supply opening (101) and the air return opening (102) and is connected with the top plate of the box body (10), and the bottom of the air supply plate (40) is connected with the bottom plate (12) of the box body (10).
3. The energy storage container according to claim 1, characterized in that the return air chamber (104) is located in the middle inside the housing (10), and the air supply chamber (103) is located between the air supply plate (40) and the walls (13) of the housing (10).
4. The energy storage container according to claim 1, characterized in that the energy storage carrier (30) is a lithium battery module.
5. The energy storage container according to any one of claims 1-4, wherein the integrated variable frequency air conditioner (20) comprises a base (21), a cold source circulation system (23), a fan system (24), an auxiliary heating system (25) and an electric control system (26) which are arranged on the base (21), and a top cover (22) which covers the base (21);
the cold source circulation system (23), the fan system (24) and the auxiliary heating system (25) are electrically connected with the electric control system (26); the air outlet (201) and the air inlet (202) are arranged on the base (21) and correspond to the fan system (24).
6. The energy storage container according to claim 5, wherein the air outlets (201) are provided in two, on opposite sides of the air inlet (202);
the fan system (24) comprises a first fan set (241) arranged at the air inlet (202) and two groups of second fan sets (242) respectively arranged at the two air outlets (201).
7. The energy storage container according to claim 6, characterized in that the auxiliary heating system (25) is arranged between the first and second fan sets (241, 242).
8. The energy storage container according to claim 5, characterized in that the electrical control system (26) is provided with an ac unit, a dc unit or a hybrid ac-dc unit; and/or the number of the groups of groups,
the electronic control system (26) is provided with a remote monitoring unit in communication connection with a command platform or a management center, and the command platform or the management center monitors the running state of the integrated variable-frequency air conditioner (20) and the internal temperature condition of the box body (10) in real time through the remote monitoring unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129613.8A CN109904364B (en) | 2019-02-21 | 2019-02-21 | Energy storage container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910129613.8A CN109904364B (en) | 2019-02-21 | 2019-02-21 | Energy storage container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109904364A CN109904364A (en) | 2019-06-18 |
| CN109904364B true CN109904364B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910129613.8A Active CN109904364B (en) | 2019-02-21 | 2019-02-21 | Energy storage container |
Country Status (1)
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425671A (en) * | 2019-08-14 | 2019-11-08 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its control method with energy storage device |
| CN111987388B (en) * | 2020-09-02 | 2021-09-24 | 江苏工程职业技术学院 | Temperature control device for energy storage system |
| CN113056146A (en) * | 2021-04-25 | 2021-06-29 | 阳光电源股份有限公司 | Air-cooled energy storage container, wind power energy storage system and multi-energy complementary energy station |
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| Publication number | Publication date |
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| CN109904364A (en) | 2019-06-18 |
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