CN219553732U - Immersed battery energy storage system - Google Patents
Immersed battery energy storage system Download PDFInfo
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- CN219553732U CN219553732U CN202320286522.7U CN202320286522U CN219553732U CN 219553732 U CN219553732 U CN 219553732U CN 202320286522 U CN202320286522 U CN 202320286522U CN 219553732 U CN219553732 U CN 219553732U
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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
Abstract
The utility model provides an immersed battery energy storage system. Comprising the following steps: the battery module comprises a battery module case and a battery pack; the battery thermal management system comprises a control module, a temperature control liquid storage container and a power pump, wherein the power pump injects temperature control liquid in the temperature control liquid storage container into a battery module case, the battery pack is completely immersed in the temperature control liquid, and the battery module case is connected with the temperature control liquid storage container; the fire-fighting system is connected with the battery module case, and the fire-fighting system, the temperature sensor inside the cabinet and the power pump are respectively and electrically connected with the control module. According to the utility model, the temperature control liquid is injected into the case of the battery template, the battery pack is completely immersed in the temperature control liquid to provide the immersed battery energy storage system, the fire protection system and the battery module are respectively connected with the battery thermal management system, and the safety of the battery energy storage system is improved.
Description
Technical Field
The utility model relates to the technical field of battery thermal management, in particular to an immersed battery energy storage system.
Background
At present, liquid cooling is generally classified into two types, namely direct contact cooling and indirect contact cooling, because of the advantages of high heat dissipation efficiency, small structural volume, good temperature uniformity and the like, and the liquid cooling becomes a mainstream battery heat management mode. The indirect contact type liquid cooling needs to arrange a cooling pipeline around or at the bottom of the battery, so that the cooling liquid circularly flows in the pipeline to take away heat generated when the battery works; compared with indirect cooling, the direct contact liquid cooling is used for placing the battery in a cooling medium, cooling liquid is directly contacted with the battery module, the heat dissipation effect is better, the temperature uniformity of the battery module is better, as in the patent of the utility model with the application number of 202110727496.2, a liquid cooling mode of direct contact with the battery module is adopted, compared with a common liquid cooling plate which is an indirect contact mode, the heat exchange effect is enhanced, the temperature uniformity of the battery module is improved, but the scheme is that an injection liquid pipe is arranged between gaps of the battery module, a nozzle of the injection liquid pipe is upwards arranged, and the heat exchange efficiency is improved by contacting liquid which falls when the cooling liquid is injected upwards with the battery module again, but the cooling liquid in the mode can only continuously exchange heat on the surface of the battery module in the heat exchange process from the injection to the falling, so that the heat exchange efficiency is not high.
Disclosure of Invention
In view of the above, the utility model provides an immersed battery energy storage system, which solves the problem of low heat exchange efficiency in the prior art, enables the battery to be completely immersed in temperature control liquid and always keep working at a good temperature, and improves the use safety of the energy storage battery. The specific scheme is as follows:
an immersion battery energy storage system comprising:
the cabinet comprises: as a protective shell for bearing each functional module, the cabinet is internally provided with a cabinet internal temperature sensor for detecting the temperature in the cabinet in real time;
a battery module: the battery module comprises a battery module case and a battery pack arranged in the battery module case;
battery thermal management system: the temperature control liquid storage device comprises a control module, a temperature control liquid storage container, a power pump and a plurality of infusion pipelines, wherein the power pump is connected with a battery module case through a first infusion pipeline, the power pump is connected with the temperature control liquid storage container through a second infusion pipeline, and the power pump injects temperature control liquid in the temperature control liquid storage container into the battery module case through the first infusion pipeline or pumps the temperature control liquid in the battery module case back into the temperature control liquid storage container through the second infusion pipeline;
the fire-fighting system is connected with the battery module case through a fire-fighting pipeline;
the fire protection system, the temperature sensor inside the cabinet and the power pump are respectively and electrically connected with the control module.
Preferably, the battery thermal management system further comprises a cooler and a heater,
the temperature reducer and the heater are respectively and electrically connected with the control module, and the output ends of the temperature reducer and the heater are respectively connected with the temperature control liquid storage container.
Preferably, a first temperature sensor, a first pressure sensor and a flowmeter are arranged on the first infusion pipeline;
a second temperature sensor and a second pressure sensor are arranged on the second infusion pipeline;
the first temperature sensor, the second temperature sensor, the first pressure sensor, the second pressure sensor and the flowmeter are respectively and electrically connected with the control module.
Preferably, the battery module is provided in several,
and the battery modules are respectively connected with the thermal management system, and are also respectively connected with a battery management module and an energy storage converter module.
Preferably, the battery module, the battery management module and the energy storage converter module are respectively provided with a third temperature sensor,
the third temperature sensors are respectively and electrically connected with the control module.
Preferably, the fire-fighting cooling liquid and the temperature control liquid are the same medium.
Preferably, the medium is a fluorinated liquid.
Preferably, a third valve is arranged on the fire-fighting pipeline;
a first valve is arranged on the first infusion pipeline;
a second valve is arranged on the second infusion pipeline;
the first valve, the second valve and the third valve are respectively connected with the control module.
Preferably, the power pump is any one of a pressure pump, a magnetic pump and a shielding pump.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the temperature control liquid is injected into the case of the battery template, so that the battery pack is completely immersed in the temperature control liquid, a submerged battery energy storage system is provided, meanwhile, a fire protection system is arranged in the cabinet of the battery energy storage system, and the fire protection system and the battery module are respectively connected with the battery thermal management system, so that the safety of the battery energy storage system is improved;
through setting the cooling liquid and the temperature control liquid as same medium, realize cooling, heating and fire control function integration to the battery handle, make the battery can remain good operational environment all the time.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of an immersion battery energy storage system according to an embodiment of the present utility model;
the device comprises a 1-temperature control liquid storage container, a 2-power pump, a 3-cooler, a 4-heater, a 5-control module, a 6-first valve, a 7-second valve, an 8-first pressure sensor, a 9-first temperature sensor, a 10-second temperature sensor, an 11-second pressure sensor, a 12-flowmeter, a 13-battery management module, a 14-energy storage converter module, a 15-fire protection system, a 16-cabinet and a 17-cabinet internal temperature sensor.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
A submerged battery energy storage system according to the description of fig. 1, comprising:
cabinet 16: as a protection shell for carrying each functional module, an internal temperature sensor 17 is arranged in the cabinet 16, and is used for detecting the internal temperature of the cabinet 16 in real time;
a battery module: the battery module comprises a battery module case and a battery pack arranged in the battery module case;
battery thermal management system: the temperature control liquid storage device comprises a control module 5, a temperature control liquid storage container 1, a power pump 2 and a plurality of infusion pipelines, wherein the power pump 2 is connected with a battery module case through a first infusion pipeline, the power pump 2 is connected with the temperature control liquid storage container 1 through a second infusion pipeline, and the power pump 2 injects temperature control liquid in the temperature control liquid storage container 1 into the battery module case through the first infusion pipeline or pumps the temperature control liquid in the battery module case back into the temperature control liquid storage container 1 through the second infusion pipeline;
the fire protection system 15, the cabinet internal temperature sensor 17 and the power pump 2 are respectively and electrically connected with the control module 5.
The fire protection system 15, the cabinet internal temperature sensor 17 and the power pump 2 are respectively and electrically connected with the control module 5.
Further, the battery thermal management system also comprises a cooler 3 and a heater 4,
the temperature reducer 3 and the heater 4 are respectively and electrically connected with the control module 5, and the output ends of the temperature reducer 3 and the heater 4 are respectively connected with the temperature control liquid storage container 1.
Further, a first temperature sensor 9, a first pressure sensor 8 and a flowmeter 12 are arranged on the first infusion pipeline;
a second temperature sensor 10 and a second pressure sensor 11 are arranged on the second infusion pipeline;
the first temperature sensor 9, the second temperature sensor 10, the first pressure sensor 8, the second pressure sensor 11, and the flowmeter 12 are connected to the control module 5, respectively.
Further, the battery modules are provided in a plurality,
the battery modules are respectively connected with the thermal management system, and the battery modules are also respectively connected with a battery management module 13 and an energy storage converter module 14.
Further, the battery module, the battery management module 13 and the energy storage converter module 14 are respectively provided with a third temperature sensor,
the third temperature sensors are respectively and electrically connected with the control module 5.
Further, the fire-fighting cooling liquid and the temperature control liquid are the same medium.
Further, the medium is a fluorinated liquid.
Further, a third valve is arranged on the fire-fighting pipeline;
a first valve 6 is arranged on the first infusion pipeline;
a second valve 7 is arranged on the second infusion pipeline;
the first valve 6, the second valve 7 and the third valve are respectively connected with the control module 5.
Further, the power pump 2 is any one of a pressure pump, a magnetic pump and a shielding pump.
It should be noted that:
in the utility model, the battery management module 13 and the energy storage converter module 14 are the BMS and the PCS shown in the figure 1, and the battery management module 13 and the energy storage converter module 14 are conventional modules in the industry;
in the utility model, a temperature control liquid storage container 1 is connected with a battery module through a first infusion pipeline and a second infusion pipeline, the temperature control liquid storage container 1 injects part of temperature control liquid into a case of the battery module, a battery pack is completely immersed in the temperature control liquid, the temperature control liquid storage container 1 is respectively connected with a cooler 3 and a heater 4 for temperature control liquid circulation, and an immersed liquid cooling-heating dual-function battery energy storage system is realized; the temperature control liquid in the temperature control liquid storage container 1 is cooled or heated by the temperature control device 3 or the heater 4 which is opened through the control module 5, so that the effect of cooling or heating the battery under different environment temperatures is achieved, and the battery works under a good temperature condition; meanwhile, a cabinet internal temperature sensor 17 is arranged in the cabinet 16, and the fire protection system 15 is respectively connected with the control module and the battery module;
in order to improve the safety of the working environment of the battery module, a cabinet internal temperature sensor 17 and a fire protection system 15 are arranged in a cabinet 16 and are respectively and electrically connected with a control module 5, the fire protection system 15 is communicated with a battery module case through a fire protection pipeline, the cabinet internal temperature sensor 17 collects the internal environment temperature of the cabinet 16 and feeds the collected temperature back to the control module 5, the control module 5 opens a heater of a cooler 3 or 4 according to the received temperature data to adjust the temperature in the cabinet 16, and when the received temperature value exceeds a safety value or the temperature in the cabinet 16 is abnormal, the temperature control system, namely other loop valves in the battery thermal management system disclosed by the utility model, are closed, and the fire protection pipeline valves are opened to spray fire protection; in case of fire, the control module 5 controls the fire protection system 15 to spray fire protection cooling liquid into the cabinet 16; thereby ensuring safety within the cabinet 16;
in one embodiment of the present utility model, the fire protection system 15 includes a fire protection cooling liquid storage container, wherein the fire protection cooling liquid storage container stores fire protection cooling liquid, the fire protection cooling liquid and the temperature control liquid are the same medium, a switch valve is arranged on the fire protection cooling liquid storage container, the switch valve is electrically connected with the control module 5, and the fire protection cooling liquid storage container is communicated with the battery module case through a fire protection pipeline;
in the utility model, the battery modules, namely B1 and B2, BN shown in the figure 1 are provided with a plurality of battery modules which are connected in parallel, each connecting pipe is correspondingly provided with a valve, and in one embodiment of the utility model, at least one group of battery modules is provided, so that electric energy can be stored and discharged outwards;
the battery modules are respectively connected in parallel with the battery management module 13, namely the BMS and the energy storage converter module 14 shown in the figure 1, namely the PCS shown in the figure 1, the battery management module 13, the energy storage converter module 14 and the battery modules are all positioned in the cabinet 16, the battery management module 13 and the energy storage converter module 14 are also connected with an external power supply, the external power supply charges the battery modules through the battery management module 13 and the energy storage converter module 14, and when electricity is required from the outside, the battery modules are discharged outwards through the battery management module 13 and the energy storage converter module 14;
in order to ensure that the working temperature of the battery modules is constant, a third temperature sensor, namely X1 and X2. shown in fig. 1, is arranged in each battery module and the BMS and PCS, and when the energy storage system works, the third temperature sensor respectively acquires temperatures and transmits the temperatures to the control module 5, and the control module 5 correspondingly opens the cooler 3 or the heater 4 according to the received temperature data to adjust the temperature in the battery modules;
in the utility model, the power pump 2 is a bidirectional pump, the power pump 2 can adopt any one of a pressure pump, a magnetic pump or a shielding pump, the liquid inlet end of the power pump 2 is positioned in the temperature control liquid storage container 1, the output end of the power pump 2 is connected with the first infusion pipeline to provide power for the whole thermal management system, the operation frequency is provided according to actual needs, and the flow of the immersed temperature control liquid is controlled so as to accurately control the temperature of the battery during operation;
according to the utility model, the cooling liquid and the immersed temperature control liquid are used as the same medium, so that the functions of cooling, heating and fire fighting of the battery are fused to the battery thermal management system, and the use safety of the energy storage battery is improved while the battery can always keep working at a good temperature;
in the utility model, a first valve 6 and a second valve 7 are respectively arranged on a first infusion pipeline and a second infusion pipeline, the first valve 6 and the second valve 7 are control valves, and the control valves are respectively connected with a control module 5, so that the control module 5 can control the opening, closing and flow of each path;
in the utility model, the cooling principle is as follows: when the temperature of the battery in the battery module is higher than a temperature set value t1, the cooler 3 works with increased power, the immersed temperature control liquid is cooled, the power pump 2 increases the circulation flow to cool the battery, when the temperature of the battery continues to exceed the set value t2, the system strengthens the power operation to further cool the battery, the battery works in a good temperature state, and when the temperature values acquired by temperature sensors arranged on the BMS and the PCS exceed the set value t3, the control module 5 cools the battery by adopting the same cooling step;
when the energy storage system starts to work from a shutdown state to power on, an internal cabinet temperature sensor 17 in the cabinet 16 collects the ambient temperature in the cabinet 16, and when the collected temperature is lower than a set value t4, the control module 5 controls the heater 4 to start to work, meanwhile, the X1 and X2 valves are closed, the battery is heated, and meanwhile, the over-temperature work of components in the BMS and the PCS is prevented, so that the battery works in a good temperature state;
in the working process of the energy storage system, when the temperature sensor 17 in the cabinet 16 collects that the temperature exceeds the temperature set value t5, the fire protection system 15 is opened, fire protection cooling liquid is sprayed into the cabinet 16, and the rest valves are closed;
in the utility model, the control module 5 is a controller, and the model of the control module is CPU224XP226CN;
in the utility model, the models of the first temperature sensor 9, the second temperature sensor 10, the third temperature sensor and the internal sensor 17 of the cabinet 16 are DS18B20TO-92;
the flowmeter 12 is an electromagnetic flowmeter, and the model is LDG-SUP-DN5;
the model numbers of the first pressure sensor 8 and the second pressure sensor 11 are YB2088 (0-1.0 MPa) V1-B1-C1-J3.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. An immersion battery energy storage system, comprising:
cabinet (16): as a protective shell for bearing each functional module, the cabinet (16) is internally provided with a cabinet internal temperature sensor (17) for detecting the temperature in the cabinet (16) in real time;
a battery module: the battery module comprises a battery module case and a battery pack arranged in the battery module case;
battery thermal management system: the temperature control liquid storage device comprises a control module (5), a temperature control liquid storage container (1), a power pump (2) and a plurality of infusion pipelines, wherein the power pump (2) is connected with a battery module case through a first infusion pipeline, the power pump (2) is connected with the temperature control liquid storage container (1) through a second infusion pipeline, and the power pump (2) injects temperature control liquid in the temperature control liquid storage container (1) into the battery module case through the first infusion pipeline or pumps the temperature control liquid in the battery module case back into the temperature control liquid storage container (1) through the second infusion pipeline;
the fire-fighting system (15) is connected with the battery module case through a fire-fighting pipeline;
the fire protection system (15), the cabinet internal temperature sensor (17) and the power pump (2) are respectively and electrically connected with the control module (5).
2. An immersion battery energy storage system according to claim 1, wherein the battery thermal management system further comprises a temperature reducer (3) and a heater (4);
the temperature reducer (3) and the heater (4) are respectively and electrically connected with the control module (5), and the output ends of the temperature reducer (3) and the heater (4) are respectively connected with the temperature control liquid storage container (1).
3. An immersion battery energy storage system according to claim 1, characterized in that the first infusion line is provided with a first temperature sensor (9), a first pressure sensor (8) and a flow meter (12);
a second temperature sensor (10) and a second pressure sensor (11) are arranged on the second infusion pipeline;
the first temperature sensor (9), the second temperature sensor (10), the first pressure sensor (8), the second pressure sensor (11) and the flowmeter (12) are respectively and electrically connected with the control module (5).
4. An immersion battery energy storage system as claimed in claim 1, wherein said battery modules are provided in a plurality,
the battery modules are respectively connected with the thermal management system, and the battery modules are also respectively connected with a battery management module (13) and an energy storage converter module (14).
5. An immersion battery energy storage system according to claim 4, wherein a third temperature sensor is provided on each of the battery module, the battery management module (13) and the energy storage converter module (14),
the third temperature sensors are respectively and electrically connected with the control module (5).
6. The submerged battery energy storage system of claim 1, wherein the fire fighting coolant and the temperature control fluid are the same medium.
7. An immersion battery energy storage system as claimed in claim 6, wherein said medium is a fluorinated liquid.
8. The submerged battery energy storage system of claim 1, wherein a third valve is provided on the fire protection line;
a first valve (6) is arranged on the first infusion pipeline;
a second valve (7) is arranged on the second infusion pipeline;
the first valve (6), the second valve (7) and the third valve are respectively connected with the control module (5).
9. An immersion battery energy storage system according to claim 1, characterized in that the power pump (2) is any one of a pressure pump, a magnetic pump and a canned motor pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320286522.7U CN219553732U (en) | 2023-02-22 | 2023-02-22 | Immersed battery energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320286522.7U CN219553732U (en) | 2023-02-22 | 2023-02-22 | Immersed battery energy storage system |
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| Publication Number | Publication Date |
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| CN219553732U true CN219553732U (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320286522.7U Active CN219553732U (en) | 2023-02-22 | 2023-02-22 | Immersed battery energy storage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117096497A (en) * | 2023-09-22 | 2023-11-21 | 中科开创（广州）智能科技发展有限公司 | Energy storage cooling system based on immersed non-flowing liquid cold and heat management technology |
-
2023
- 2023-02-22 CN CN202320286522.7U patent/CN219553732U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117096497A (en) * | 2023-09-22 | 2023-11-21 | 中科开创（广州）智能科技发展有限公司 | Energy storage cooling system based on immersed non-flowing liquid cold and heat management technology |
| CN117096497B (en) * | 2023-09-22 | 2024-02-02 | 中科开创（广州）智能科技发展有限公司 | Energy storage cooling system based on immersed non-flowing liquid cold and heat management technology |
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