CN220041981U - Water-cooling control system for battery prefabricated cabin - Google Patents
Water-cooling control system for battery prefabricated cabin Download PDFInfo
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- CN220041981U CN220041981U CN202321141685.2U CN202321141685U CN220041981U CN 220041981 U CN220041981 U CN 220041981U CN 202321141685 U CN202321141685 U CN 202321141685U CN 220041981 U CN220041981 U CN 220041981U
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- 238000001816 cooling Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 127
- 239000003507 refrigerant Substances 0.000 claims abstract description 63
- 239000000110 cooling liquid Substances 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000002826 coolant Substances 0.000 claims description 21
- 238000012544 monitoring process Methods 0.000 claims description 17
- 239000000498 cooling water Substances 0.000 claims description 15
- 238000004146 energy storage Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000007726 management method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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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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Abstract
The utility model provides a battery prefabricated cabin water cooling control system, which comprises a prefabricated cabin and a refrigerant unit, wherein the prefabricated cabin is connected with the refrigerant unit; the prefabricated cabin is provided with a heat exchanger, a cooling liquid transmission assembly and a battery assembly, and a first water outlet of the heat exchanger is communicated with a first end of the cooling liquid transmission assembly through a pipeline; the water outlet of the refrigerant unit is communicated with the second water inlet of the heat exchanger through a pipeline, and the water inlet of the refrigerant unit is communicated with the second water outlet of the heat exchanger through a pipeline; the second water outlet and the second water inlet of the heat exchanger are provided with a first sensor and a flow control valve, the first sensor is used for acquiring the flow rate or the temperature of the refrigerant, and the flow control valve is used for controlling the flow rate of the refrigerant entering and exiting the heat exchanger.
Description
Technical Field
The utility model relates to the technical field of battery cabins, in particular to a battery prefabricated cabin water cooling control system.
Background
Along with the wide application of batteries in the energy storage field, container type battery prefabricated cabins gradually become targets for research and application of various large energy storage factories and related technicians, and temperature control and safety control of the batteries are critical to an energy storage system, and the temperature control is related to the use safety and long-term reliability of the energy storage system.
In the prior art, a distributed air cooling system and a distributed water cooling system are generally adopted in a battery prefabricated cabin to control the temperature in the prefabricated cabin, and the heat dissipation systems and corresponding components occupy most of space in the prefabricated cabin, so that the system electric quantity in the prefabricated cabin is reduced, and the temperature uniformity of the battery in the prefabricated cabin is poor due to the fact that the air cooling system and the water cooling system are matched with the pipelines.
Therefore, the problem of poor temperature control effect on the battery prefabricated cabin exists in the prior art.
Disclosure of Invention
The embodiment of the utility model provides a battery prefabricated cabin water cooling control system, which aims to solve the problem of poor temperature control effect on a battery prefabricated cabin in the prior art.
In order to achieve the above object, an embodiment of the present utility model provides a battery prefabricated cabin water cooling control system, including: the system comprises a prefabricated cabin and a refrigerant unit;
the prefabricated cabin is provided with a heat exchanger, a cooling liquid transmission assembly and a battery assembly, and a first water outlet of the heat exchanger is communicated with a first end of the cooling liquid transmission assembly through a pipeline;
the water outlet of the refrigerant unit is communicated with the second water inlet of the heat exchanger through a pipeline, and the water inlet of the refrigerant unit is communicated with the second water outlet of the heat exchanger through a pipeline;
the second water outlet and the second water inlet of the heat exchanger are provided with a first sensor and a flow control valve, the first sensor is used for acquiring the flow rate or the temperature of the refrigerant, and the flow control valve is used for controlling the flow rate of the refrigerant entering and exiting the heat exchanger;
the battery assembly comprises a first main pipeline, a second main pipeline and K groups of batteries, wherein K is a positive integer;
the first main pipeline is communicated with the second end of the cooling liquid transmission assembly, K first branch pipelines are arranged on the first main pipeline, and the K first branch pipelines are communicated with the first main pipeline;
the second main pipeline is communicated with the first water inlet of the heat exchanger, K second branch pipelines are arranged on the second main pipeline, and the K second branch pipelines are communicated with the second main pipeline;
the K group of batteries are arranged at K positions between the K first branch pipelines and the K second branch pipelines.
Optionally, the K groups of cells are sequentially arranged at K positions between the K first branch pipelines and the K second branch pipelines;
and K positions between the K first branch pipelines and the K second branch pipelines are in one-to-one correspondence with the K groups of batteries.
Optionally, the K groups of cells are arranged in parallel with each other.
Optionally, the K first branch pipes are equidistantly and parallelly arranged in the first main pipe; and/or
The K second branch pipelines are equidistantly and parallelly arranged in the second main pipeline.
Optionally, the lengths of the K first branch pipelines are consistent;
the diameters of the K first branch pipelines are sequentially increased from two sides to the middle;
the lengths of the K second branch pipelines are consistent;
the pipeline diameters of the K second branch pipelines are sequentially increased from two sides to the middle.
Optionally, a first control valve group and a first flow monitoring component are arranged at the connection part of the first main pipeline and the K first branch pipelines; and/or
And the connection parts of the second main pipeline and the K second branch pipelines are provided with a second control valve group and a second flow monitoring part.
Optionally, the coolant delivery assembly includes a first water pump, a second sensor, and a third control valve group;
the first end of the first water pump is communicated with the first water outlet of the heat exchanger through a pipeline, and the second end of the first water pump is communicated with the first end of the second sensor through a pipeline;
the second end of the second sensor is communicated with the first end of the battery assembly through a pipeline and the third control valve group;
the second sensor is used for acquiring the flow or the temperature of the cooling liquid.
Optionally, the refrigerant unit comprises a second water pump, a third sensor and a fourth control valve group;
the first end of the second water pump is communicated with the refrigerant component through a pipeline, the second end of the second water pump is communicated with the first end of the third sensor through a pipeline, and the refrigerant component is used for storing cooling water;
and the second end of the third sensor is communicated with the second water inlet of the heat exchanger through a pipeline and the fourth control valve group.
Optionally, the flow control valve is of a bidirectional stop valve type structure;
the valves in the first control valve group, the second control valve group, the third control valve group and the fourth control valve group are of a two-way stop valve type structure.
Optionally, the first water pump is an electromagnetic water pump;
the second water pump is an electromagnetic water pump.
Optionally, the heat exchanger is a plate heat exchanger.
In the embodiment of the utility model, the battery prefabricated cabin water cooling control system comprises a prefabricated cabin and a refrigerant unit, wherein the prefabricated cabin is provided with a heat exchanger, a cooling liquid transmission assembly and a battery assembly, the refrigerant unit pumps cooling water from a water inlet to the heat exchanger through a second water inlet of the heat exchanger, so that cooling liquid is used for exchanging heat in the heat exchanger, the cooling liquid after heat exchange is conveyed to the cooling liquid transmission assembly through a pipeline, the cooling liquid is conveyed to the battery assembly through the cooling liquid transmission assembly to exchange heat for cooling the battery, the cooling liquid flows back to the heat exchanger after cooling the battery is completed, and naturally, the cooling water flows back to the refrigerant unit again after exchanging heat for the cooling liquid, wherein the battery assembly is provided with a first main pipeline, a second main pipeline and K groups of batteries, K first branch pipelines are arranged on the first main pipeline, K second branch pipelines are arranged on the second main pipeline, and the cooling liquid flows back to the heat exchanger after cooling the batteries through the first main pipeline and the first branch pipelines. Through the setting of this structure, reduced the setting of prefabricated intra-cabin water-cooling unit to carry out the same journey to the K group battery in the battery pack and handle, and then realize reducing the purpose of each battery difference in temperature in the battery pack, thereby improved the homogeneity of battery temperature in the prefabricated cabin.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the utility model or to delineate the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings used in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a water cooling control system for a battery prefabricated cabin according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a battery assembly in a battery prefabricated cabin water cooling control system according to an embodiment of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The terms "first," "second," and the like in embodiments of the present utility model are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment of the utility model provides a battery prefabricated cabin water cooling control system, as shown in fig. 1 to 2, which comprises: a prefabricated cabin 10 and a refrigerant unit 20;
the prefabricated cabin 10 is provided with a heat exchanger 11, a cooling liquid transmission assembly 12 and a battery assembly 13, wherein a first water outlet of the heat exchanger 11 is communicated with a first end of the cooling liquid transmission assembly 12 through a pipeline;
the water outlet of the refrigerant unit 20 is communicated with the second water inlet of the heat exchanger 11 through a pipeline, and the water inlet of the refrigerant unit 20 is communicated with the second water outlet of the heat exchanger 11 through a pipeline;
the second water outlet and the second water inlet of the heat exchanger 11 are provided with a first sensor 111 and a flow control valve 112, the first sensor 111 is used for acquiring the flow rate or the temperature of the refrigerant, and the flow control valve 112 is used for controlling the flow rate of the refrigerant entering and exiting the heat exchanger 11;
wherein the battery assembly 13 includes a first main pipe 131, a second main pipe 132, and K groups of batteries, K being a positive integer;
the first main pipe 131 communicates with the second end of the coolant conveying assembly 12, the first main pipe 131 being provided with K first branch pipes 1311, the K first branch pipes 1311 communicating with the first main pipe 131;
the second main pipe 132 is communicated with the first water inlet of the heat exchanger 11, the second main pipe 132 is provided with K second branch pipes 1321, and the K second branch pipes 1321 are communicated with the second main pipe 132;
the K groups of cells are disposed at K locations between K first branch pipes 1311 and K second branch pipes 1321.
In this embodiment, the battery prefabricated cabin water cooling control system includes a prefabricated cabin 10 and a refrigerant unit 20, the prefabricated cabin 10 is provided with a heat exchanger 11, a cooling liquid transmission component 12 and a battery component 13, the refrigerant unit 20 pumps cooling water from a water inlet to the heat exchanger 11 through a second water inlet of the heat exchanger 11, thereby exchanging heat with cooling water in the heat exchanger 11, the cooling liquid after heat exchange is led to the cooling liquid transmission component 12 through a pipeline, a first water outlet of the heat exchanger 11 is led to the cooling liquid transmission component 12, the cooling liquid is led to the battery component 13 through the cooling liquid transmission component 12, so as to exchange heat and cool the battery, after cooling the battery is completed, the cooling liquid is led back to the heat exchanger 11 again, of course, the cooling water is led back to the refrigerant unit 20 again after exchanging heat with the cooling liquid, wherein the battery component 13 is provided with a first main pipeline 131, a second main pipeline 132 and K groups of batteries, the first main pipeline 131 is provided with K first branch pipelines 1311, the second main pipeline 132 is provided with K second branch pipelines 1321, and the cooling liquid is led back to the heat exchanger 132 through the first main pipeline 131 and the first main pipeline 1311. Through the setting of this structure, reduced the setting of prefabricated intra-cabin water-cooling unit to carry out the same journey to the K group battery in the battery pack and handle, and then realize reducing the purpose of each battery difference in temperature in the battery pack, thereby improved the homogeneity of battery temperature in the prefabricated cabin.
It should be noted that, the refrigerant unit 20 may be connected to a plurality of prefabricated cabins, that is, it may be understood that a plurality of energy storage prefabricated cabins share one refrigerant unit 20, for example: the two energy storage prefabricated cabins share one refrigerant unit, and then the refrigerant unit can be respectively communicated with the heat exchangers of the two energy storage prefabricated cabins, namely, the refrigerant unit is provided with two groups of water inlets (two water inlets and two water outlets) which respectively correspond to the two energy storage prefabricated cabins. Embodiments of the present utility model are not limited in terms of the number of prefabricated cabins.
The refrigerant unit 20 controls each energy storage prefabricated cabin separately, and if the battery assembly 13 includes a plurality of batteries in different areas, the refrigerant unit 20 can also control the temperature of the batteries in different areas, so as to reduce the temperature difference between the batteries in different areas.
In some alternative embodiments, the refrigerant unit 20 transmits a refrigerant (cooling water) to the heat exchanger 11, exchanges heat with the cooling liquid in the prefabricated cabin 10, the refrigerant (cooling water) after the cooling liquid exchanges heat can flow back to the refrigerant unit 20 again, the cooling liquid after the cooling by the heat exchange of the refrigerant (cooling water) flows through the cooling liquid transmission component 12, and exchanges heat with the batteries in the battery component 13 through the pipeline, wherein the battery component 13 can be understood as a plurality of battery clusters, the cooling liquid is transmitted to the battery pack cooling plate of each battery cluster, so as to exchange heat with the batteries, and finally, the cooling liquid after the heat exchange can be transmitted back to the heat exchanger 11 again for orderly circulation heat exchange.
It should be noted that in the above embodiment, the same-pass processing may be performed on the pipes in the individual battery clusters, so as to achieve the purpose of reducing the temperature difference of the battery packs in the clusters.
In order to achieve the purpose of the same-pass processing, considering that the K battery packs are disposed at K positions between the K first branch pipes 1311 and the K second branch pipes 1321, the K first branch pipes 1311 may be disposed as pipes with the same size, so as to ensure that the amounts of the cooling liquid transferred to the K battery packs are uniform, that is, flow deviation in the battery packs may be greatly reduced, and temperature uniformity of the battery packs may be improved.
In addition, the coolant delivery assembly 12 may be provided with a water pump for enhancing the power of the coolant in the pipe and a valve for controlling the coolant to enter the battery assembly 13, and in order to improve the monitoring of the amount of coolant in the prefabricated cabin, a monitor or a sensor may be provided in the coolant delivery assembly 12 to monitor the amount of coolant delivered to the battery assembly 13.
In another alternative embodiment, each inlet and outlet pipeline of the prefabricated cabin 10 may be provided with a flow sensor and a refrigerant temperature sensor, and a battery management system (Battery Management System, BMS) is further configured in the battery prefabricated cabin water cooling control system, the BMS is matched with the prefabricated cabin 10, and a flow control valve controlled by the BMS is correspondingly arranged in each inlet and outlet pipeline of the prefabricated cabin 10, the BMS can acquire temperature information, flow information and the like, and then the energy management system (Energy Management System, EMS) processes the information and issues commands to an actuator (the actuator can comprise all valves in the prefabricated cabin 10 and in the refrigerant unit 20), so that the flow and the temperature of the battery prefabricated cabin water cooling control system are controlled.
Continuing with the above examples for illustration: the prefabricated pod 10 may transmit the acquired temperature data to the EMS, which processes the temperature data, for example: the EMS screens the highest temperature (Tmax) and the lowest temperature (Tmin), and under the condition that the Tmax-Tmin is more than or equal to 2 ℃, the EMS can send out an adjusting instruction to a water pump or a valve of a battery partition where the Tmax and the Tmin are positioned, so that the flow of cooling liquid is adjusted, and the temperature difference of the battery in the prefabricated cabin 10 is reduced.
It should be understood that, under the condition that the plurality of energy storage prefabricated cabins share one refrigerant unit, the EMS may aggregate the battery temperature data in the plurality of energy storage prefabricated cabins, process to obtain a mean value (Tmean) of the battery temperatures in each energy storage prefabricated cabin, screen a maximum average temperature (TmeanMAX) and a minimum average temperature (TmeanMIN) in TmeanMAX-TmeanMIN, and adjust the refrigerant temperature and the refrigerant flow of the energy storage prefabricated cabin where TmeanMAX and TmeanMIN are located when TmeanMAX-TmeanMIN are greater than 2 ℃, so as to reduce the temperature difference between each energy storage prefabricated cabin and improve the temperature uniformity.
It should be noted that, the arrangement of the refrigerant unit 20 may reduce the arrangement of the water cooling unit in the prefabricated cabin 10, so that the battery pack may be placed in space, and the battery capacity and space utilization rate of the prefabricated cabin 10 may be improved.
Optionally, the K groups of cells are sequentially disposed at K positions between K first branch pipes 1311 and K second branch pipes 1321;
k positions between the K first branch pipes 1311 and the K second branch pipes 1321 are in one-to-one correspondence with the K sets of batteries.
In this embodiment, an individual battery is disposed at each position between the K first branch pipes 1311 and the K second branch pipes 1321, so that the K positions between the K first branch pipes 1311 and the K second branch pipes 1321 are in one-to-one correspondence with the K groups of batteries, and by the arrangement of this structure, the above-mentioned battery compartment water cooling control system can perform individual control on cooling of each battery, and control effect of the above-mentioned battery compartment water cooling control system is improved.
It can be understood that when one of the K groups of batteries needs to exchange heat, the water cooling control system of the battery pre-fabricated cabin can independently control the heat exchange of the battery groups, when two of the K groups of batteries need to exchange heat, the two battery groups can also be independently controlled to exchange heat, and when the plurality of groups of batteries need to exchange heat, the heat exchange is completed according to the above flow, which is not described again.
Optionally, the K groups of cells are arranged in parallel with each other.
In this embodiment, the K battery packs are parallel to each other, and under the condition that no influence is caused on the battery structure, the temperature of the K battery packs can be controlled independently, so that the temperature of the battery can be controlled by related staff according to actual conditions, and the control effect of the battery prefabricated cabin water cooling control system is greatly improved.
Optionally, K first branch pipes 1311 are equidistantly and parallel arranged on the first main pipe 131; and/or
The K second branch pipes 1321 are equidistantly and parallel arranged in the second main pipe 132.
In this embodiment, the K first branch pipes 1311 are parallel to each other and are disposed at the first main pipe 131 at a fixed interval, and the K second branch pipes 1321 are likewise parallel to each other and are disposed at the second main pipe 132 at a fixed interval, so that the path lengths of the cooling liquid respectively transmitted to the K battery packs are the same through the arrangement of the structure, and after heat exchange is performed on the battery packs, the outflow path lengths of the cooling liquid are also identical, thereby greatly reducing the deviation of the cooling liquid flow in the battery packs, and being beneficial to improving the temperature uniformity between the battery packs.
It should be understood that the number of the K first branch pipes 1311 may be set according to the number of the batteries, and the pitch of the K first branch pipes 1311 may be set according to the length of the first main pipe 131, and in summary, the setting of the lengths of these components is not limited, and similarly, the setting of the lengths and pitches of the K second branch pipes 1321 and the second main pipe 132 is consistent with the setting of the K first branch pipes 1311 and the first main pipe 131, which is not described herein.
Optionally, the K first branch pipes 1311 are uniform in length;
the pipe diameters of the K first branch pipes 1311 are sequentially increased from both sides to the middle;
the K second branch lines 1321 are uniform in length;
the pipe diameters of the K second branch pipes 1321 increase sequentially from both sides to the middle.
In this embodiment, the lengths of the K first branch pipes 1311 are identical, and the lengths of the K second branch pipes 1321 are identical, by the arrangement of this structure, the errors of the flowing distances of the cooling liquid in the different branch pipes are further reduced, so that the path lengths of the cooling liquid respectively transmitted to the K groups of cells are identical, and after the heat exchange is performed on the cells, the outflow path lengths of the cooling liquid are also identical, thereby greatly reducing the deviation of the flow of the cooling liquid in the battery packs, and being beneficial to improving the temperature uniformity among the battery packs.
On the other hand, in consideration that the temperature of the cells located at the middle position is higher than the temperature of the cells located at both sides of the edge, the more the cooling liquid is required for the middle cells, the tube diameters of the K first branch tubes 1311 may be set to be sequentially increased from both sides to the middle, and similarly, the K second branch tubes 1321 may be set to correspond to the K first branch tubes 1311, and the tube diameters of the K second branch tubes 1321 may be set to be sequentially increased from both sides to the middle.
Optionally, a first control valve group and a first flow monitoring component are provided at the junction of the first main pipe 131 and the K first branch pipes 1311; and/or
The junction of the second main conduit 132 and the K second branch conduits 1321 is provided with a second control valve group and a second flow monitoring component.
In this embodiment, a first control valve group and a first flow monitoring part may be provided at the junction of the first main pipe 131 and the K first branch pipes 1311, and a second control valve group and a second flow monitoring part may also be provided at the junction of the second main pipe 132 and the K second branch pipes 1321, where the first control valve group, the first flow monitoring part, the second control valve group and the second flow monitoring part may be provided to improve the temperature control capability of the K-group battery, the first control valve group and the second control valve group may control the amount of the coolant, and the first flow monitoring part and the second flow monitoring part may be used to monitor the amount of the coolant, and may select an appropriate amount of the coolant in case the battery needs to be cooled, thereby improving the temperature control effect on the battery, and further improving the uniformity of the temperature of the battery in the prefabricated cabin.
The first control valve group, the first flow monitoring component, the second control valve group and the second flow monitoring component can be controlled by the EMS, namely, the first control valve group, the first flow monitoring component, the second control valve group and the second flow monitoring component can be understood as an execution unit matched with the EMS, so that the flow of the cooling liquid is managed, and the temperature of the K groups of batteries is managed.
It should be noted that the valve types of the first control valve group and the second control valve group may be selected by a person skilled in the art, which is not limited to the embodiment of the present utility model.
Optionally, the coolant delivery assembly 12 includes a first water pump 121, a second sensor 122, and a third control valve group 123;
a first end of the first water pump 121 is communicated with a first water outlet of the heat exchanger 11 through a pipeline, and a second end of the first water pump 121 is communicated with a first end of the second sensor 122 through a pipeline;
a second end of the second sensor 122 is in communication with a first end of the battery assembly 13 via a conduit through a third control valve group 123;
wherein the second sensor 122 is used to obtain the flow rate or temperature of the cooling liquid.
In this embodiment, the coolant delivery assembly 12 is provided with a first water pump 121, the first water pump 121 is used for pumping coolant to the battery assembly 13, a second sensor 122 and a third control valve group 123 are further provided between the first water pump 121 and the battery assembly 13, the second sensor 122 mainly records the amount of coolant delivered from the heat exchanger 11 to the battery assembly 13, the third control valve group 123 mainly controls the amount of coolant delivered from the heat exchanger 11 to the battery assembly 13, if the coolant delivered to the battery assembly 13 meets the cooling requirement, the third control valve group 123 can be set to be in a closed state, preventing excessive coolant from being delivered to the battery assembly 13, by the arrangement of this structure, the control of the amount of coolant is realized between the heat exchanger 11 and the battery assembly 13, and the temperature control effect on the battery in the prefabricated cabin 10 is improved.
The first water pump 121, the second sensor 122, and the third control valve group 123 may be controlled by the EMS, that is, the first water pump 121, the second sensor 122, and the third control valve group 123 may be understood as an execution unit matched with the EMS, so as to perform flow management on the cooling liquid, and further perform temperature management on the K groups of batteries.
It should be noted that the valve type of the third control valve group 123 may be selected by a person skilled in the art, and the embodiment of the present utility model is not limited thereto.
Optionally, the refrigerant unit 20 includes a second water pump 21, a third sensor 22, and a fourth control valve group 23;
the first end of the second water pump 21 is communicated with the refrigerant component 24 through a pipeline, the second end of the second water pump 21 is communicated with the first end of the third sensor 22 through a pipeline, and the refrigerant component 24 is used for storing cooling water;
the second end of the third sensor 22 is in communication with a second water inlet of the heat exchanger 11 via a fourth control valve group 23 via a pipe.
In this embodiment, the refrigerant unit 20 may be correspondingly provided with a second water pump 21, a third sensor 22 and a fourth control valve group 23, wherein the second water pump 21 is used for pumping the refrigerant (cooling water) to one side of the prefabricated cabin 10, the third sensor 22 is used for recording the amount of the refrigerant (cooling water) transmitted to the prefabricated cabin 10 by the refrigerant unit 20, the fourth control valve group 23 mainly controls the amount of the refrigerant (cooling water) transmitted to the prefabricated cabin 10 by the refrigerant unit 20, and by the arrangement of the structure, the control of the amount of the refrigerant (cooling water) is realized between the prefabricated cabin 10 and the refrigerant unit 20, so that the heat exchange effect of the cooling liquid is controlled, and the temperature control effect of the battery in the prefabricated cabin 10 is further improved.
It should be noted that the second water pump 21, the third sensor 22 and the fourth control valve set 23 may be controlled by the EMS as well, and the number of the second water pump 21, the third sensor 22 and the fourth control valve set 23 corresponds to the number of the prefabricated energy storage tanks, so as to ensure that each prefabricated energy storage tank has a corresponding water pump, sensor and control valve set.
Optionally, the flow control valve 112 is of a two-way shut-off valve type construction;
the valves in the first control valve group, the second control valve group, the third control valve group 123 and the fourth control valve group 23 are of a two-way stop valve type structure.
In this embodiment, the valves in the flow control valve 112, the first control valve group, the second control valve group, the third control valve group 123 and the fourth control valve group 23 may all be of a two-way shut-off valve type structure, by which the safety and the rapid turnover of maintenance and repair procedures can be improved, and in addition, the structure has high sealability, thereby preventing leakage of a refrigerant or a coolant.
In addition, the bidirectional stop valve structure has the capabilities of vibration resistance and pressure change resistance, has the functions of static electricity resistance and explosion resistance, and is beneficial to the overall stability and safety of the battery prefabricated cabin water cooling control system.
It will be appreciated that the bi-directional shut-off valve structure may reduce the installation of the bracket, may understand a single installation unit, and may be installed to the pipe using screws or bolts, improving the convenience of installation.
Alternatively, the first water pump 121 is an electromagnetic water pump;
the second water pump 21 is an electromagnetic water pump.
In this embodiment, the electromagnetic water pump can be adopted by both the first water pump 121 and the second water pump 21, through the arrangement of this structure, on the one hand, the use of the first water pump 121 and the second water pump 21 can be safer and more stable, on the other hand, the electromagnetic water pump has a fine driving mode, the running requirement of low flow and low pressure can be satisfied by fewer moving parts of the electromagnetic water pump when the electromagnetic water pump is used, and when the pressure of the electromagnetic water pump generates a slight change, the electromagnetic water pump can be used for quick inspection and reaction, namely, the working state of low flow and low pressure can be more stable.
Alternatively, the heat exchanger 11 is a plate heat exchanger.
In this embodiment, the plate heat exchanger has the advantages of high heat transfer coefficient, high adaptability and the like, and is particularly suitable for liquid-liquid heat exchange in the embodiment of the utility model, and on the other hand, the plate heat exchanger has a compact structure and a smaller volume, and can make more space for the prefabricated cabin 10.
In addition, the plate heat exchanger has small fouling coefficient, because the fouling is not easy to deposit due to large disturbance of liquid flow, and the used plate material is good and has little corrosion, and the fouling coefficient is small.
The plate heat exchanger mainly uses metal plates, so that the raw material price is lower than that of the same metal pipe, and the cost is reduced.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present utility model is not limited to performing the functions in the order discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.
Claims (11)
1. A battery compartment water cooling control system, comprising: the system comprises a prefabricated cabin and a refrigerant unit;
the prefabricated cabin is provided with a heat exchanger, a cooling liquid transmission assembly and a battery assembly, and a first water outlet of the heat exchanger is communicated with a first end of the cooling liquid transmission assembly through a pipeline;
the water outlet of the refrigerant unit is communicated with the second water inlet of the heat exchanger through a pipeline, and the water inlet of the refrigerant unit is communicated with the second water outlet of the heat exchanger through a pipeline;
the second water outlet and the second water inlet of the heat exchanger are provided with a first sensor and a flow control valve, the first sensor is used for acquiring the flow rate or the temperature of the refrigerant, and the flow control valve is used for controlling the flow rate of the refrigerant entering and exiting the heat exchanger;
the battery assembly comprises a first main pipeline, a second main pipeline and K groups of batteries, wherein K is a positive integer;
the first main pipeline is communicated with the second end of the cooling liquid transmission assembly, K first branch pipelines are arranged on the first main pipeline, and the K first branch pipelines are communicated with the first main pipeline;
the second main pipeline is communicated with the first water inlet of the heat exchanger, K second branch pipelines are arranged on the second main pipeline, and the K second branch pipelines are communicated with the second main pipeline;
the K group of batteries are arranged at K positions between the K first branch pipelines and the K second branch pipelines.
2. The battery compartment water cooling control system of claim 1, wherein the K groups of batteries are sequentially disposed at K locations between the K first branch pipes and the K second branch pipes;
and K positions between the K first branch pipelines and the K second branch pipelines are in one-to-one correspondence with the K groups of batteries.
3. The battery compartment water cooling control system of claim 1, wherein the K sets of batteries are arranged in parallel with each other.
4. The battery compartment water cooling control system of claim 1, wherein the K first branch pipes are equidistantly disposed in parallel with the first main pipe; and/or
The K second branch pipelines are equidistantly and parallelly arranged in the second main pipeline.
5. The battery compartment water cooling control system of claim 4, wherein the K first branch pipes are uniform in length;
the diameters of the K first branch pipelines are sequentially increased from two sides to the middle;
the lengths of the K second branch pipelines are consistent;
the pipeline diameters of the K second branch pipelines are sequentially increased from two sides to the middle.
6. The battery compartment water cooling control system of claim 1, wherein a first control valve group and a first flow monitoring component are provided at the junction of the first main pipe and the K first branch pipes; and/or
And the connection parts of the second main pipeline and the K second branch pipelines are provided with a second control valve group and a second flow monitoring part.
7. The battery compartment water cooling control system of claim 6, wherein the coolant delivery assembly includes a first water pump, a second sensor, and a third control valve bank;
the first end of the first water pump is communicated with the first water outlet of the heat exchanger through a pipeline, and the second end of the first water pump is communicated with the first end of the second sensor through a pipeline;
the second end of the second sensor is communicated with the first end of the battery assembly through a pipeline and the third control valve group;
the second sensor is used for acquiring the flow or the temperature of the cooling liquid.
8. The battery compartment water cooling control system of claim 7, wherein the refrigerant unit includes a second water pump, a third sensor, and a fourth control valve group;
the first end of the second water pump is communicated with the refrigerant component through a pipeline, the second end of the second water pump is communicated with the first end of the third sensor through a pipeline, and the refrigerant component is used for storing cooling water;
and the second end of the third sensor is communicated with the second water inlet of the heat exchanger through a pipeline and the fourth control valve group.
9. The battery compartment water cooling control system of claim 8, wherein the flow control valve is of a two-way shut-off valve configuration;
the valves in the first control valve group, the second control valve group, the third control valve group and the fourth control valve group are of a two-way stop valve type structure.
10. The battery compartment water cooling control system of claim 8, wherein the first water pump is an electromagnetic water pump;
the second water pump is an electromagnetic water pump.
11. The battery compartment water cooling control system of claim 1, wherein the heat exchanger is a plate heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321141685.2U CN220041981U (en) | 2023-05-10 | 2023-05-10 | Water-cooling control system for battery prefabricated cabin |
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| CN202321141685.2U CN220041981U (en) | 2023-05-10 | 2023-05-10 | Water-cooling control system for battery prefabricated cabin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117393924A (en) * | 2023-12-11 | 2024-01-12 | 江苏为恒智能科技有限公司 | Energy storage battery module temperature management system, method and energy storage system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117393924A (en) * | 2023-12-11 | 2024-01-12 | 江苏为恒智能科技有限公司 | Energy storage battery module temperature management system, method and energy storage system |
| CN117393924B (en) * | 2023-12-11 | 2024-03-26 | 江苏为恒智能科技有限公司 | Energy storage battery module temperature management system, method and energy storage system |
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