CN216903111U - Hybrid external cooling system for energy storage battery - Google Patents
Hybrid external cooling system for energy storage battery Download PDFInfo
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- CN216903111U CN216903111U CN202220274611.5U CN202220274611U CN216903111U CN 216903111 U CN216903111 U CN 216903111U CN 202220274611 U CN202220274611 U CN 202220274611U CN 216903111 U CN216903111 U CN 216903111U
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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
本实用新型涉及一种用于储能电池的混合外冷却系统，包括并联于储能电池的电池箱出口管路与电池箱入口管路之间的冷却通路Ⅰ和冷却通路Ⅱ，且冷却通路Ⅰ的入口和冷却通路Ⅱ的入口通过电动三通阀与电池箱出口管路相连；冷却通路Ⅰ中连有空冷器，冷却通路Ⅱ中连有板式换热器。本实用新型可以根据环境温度变化以及电池箱期望的入口温度值针对性地任意一个冷却通路对电池箱进行冷却，不仅保证了冷却效果，而且能够减少能源浪费，降低成本，并利于环境的保护。
The utility model relates to a hybrid external cooling system for an energy storage battery, comprising a cooling passage I and a cooling passage II connected in parallel between a battery box outlet pipeline and a battery box inlet pipeline of the energy storage battery, and the cooling passage I The inlet of the cooling passage II and the inlet of the cooling passage II are connected with the outlet pipeline of the battery box through an electric three-way valve; an air cooler is connected in the cooling passage I, and a plate heat exchanger is connected in the cooling passage II. The utility model can cool the battery box according to the change of ambient temperature and the expected inlet temperature value of the battery box, which not only ensures the cooling effect, but also can reduce energy waste and cost, and is beneficial to the protection of the environment.
Description
Technical Field
The utility model belongs to the technical field of energy storage battery cooling, and particularly relates to a hybrid external cooling system for an energy storage battery.
Background
Along with the continuous development of lithium battery technology, its range of application is wider and wider, and current energy storage device becomes mainly to adopt the lithium cell as energy storage electricity core, and along with the capacity of lithium cell is bigger and bigger, its heat dissipation problem becomes difficult problem day by day.
The traditional cooling mode of energy storage battery is through the direct heat transfer to coolant of the compulsory convection effect of air, but when ambient temperature T0 was greater than the entry temperature Tin that the battery box was expected, only can' T satisfy the cooling requirement through heat transfer convection. And then, the heat exchanger is provided with a water cooler to cool the cooling medium, the cooling requirement of the energy storage battery is met, the compressor needs to be started when the cooling system works no matter the ambient temperature is high or low, the energy waste is easily caused, the cost is high, and the discharge of refrigerant Freon has a destructive effect on the ozone layer and is not beneficial to the environmental protection.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a hybrid external cooling system for an energy storage battery, which solves the problem that the operation energy consumption of the cooling system is high.
The utility model discloses a hybrid external cooling system for an energy storage battery, which is realized by the following steps:
a hybrid external cooling system for energy storage batteries comprises a cooling passage I and a cooling passage II which are connected in parallel between a battery box outlet pipeline and a battery box inlet pipeline of the energy storage batteries, wherein the inlet of the cooling passage I and the inlet of the cooling passage II are connected with the battery box outlet pipeline through an electric three-way valve;
and an air cooler is connected in the cooling passage I, and a plate heat exchanger is connected in the cooling passage II.
Furthermore, install temperature transmitter I on the battery box outlet pipeline, install temperature transmitter II on the battery box inlet pipeline.
Furthermore, the cooling passage II is connected to the hot side of the plate heat exchanger, and the cold side of the plate heat exchanger is connected with a cooling circulation passage.
Further, a water cooler is installed on the cooling circulation passage.
Further, a temperature transmitter III is installed at the inlet of the cooling circulation passage, and a temperature transmitter IV is installed at the outlet of the cooling circulation passage.
Furthermore, the device also comprises a temperature transmitter V for detecting the ambient temperature.
Furthermore, a magnetic pump is installed on the outlet pipeline of the battery box.
Furthermore, a pressure stabilizing tank is arranged on an outlet pipeline of the battery box.
After the technical scheme is adopted, the utility model has the beneficial effects that:
(1) according to the utility model, through the parallel connection of the cooling passage I with the air cooler and the cooling passage II with the plate heat exchanger, the battery box can be cooled by any cooling passage in a targeted manner according to the change of the environmental temperature and the expected inlet temperature value of the battery box, so that the cooling effect is ensured, the energy waste can be reduced, the cost is reduced, and the environmental protection is facilitated;
(2) according to the utility model, through the arrangement of the electric three-way valve, the structure of the whole external cooling system can be simplified while the cooling channel I and the cooling channel II can be rapidly switched.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a hybrid external cooling system for an energy storage battery in accordance with a preferred embodiment of the present invention;
in the figure: the device comprises a battery box outlet pipeline 1, a battery box inlet pipeline 2, a cooling passage I3, an air cooler inlet pipeline 3-1, an air cooler outlet pipeline 3-2, a cooling passage II 4, a heat exchanger inlet pipeline 4-1, a heat exchanger outlet pipeline 4-2, an electric three-way valve 5, an air cooler 6, a plate heat exchanger 7, a temperature transmitter I8, a temperature transmitter II 9, a valve I10, a valve II 11, a pressure transmitter I12, a pressure transmitter II 13, a cooling circulation passage 14, a cooling medium inlet pipeline 14-1, a cooling medium outlet pipeline 14-2, a water cooler 15, a temperature transmitter III 16, a temperature transmitter IV 17, a temperature transmitter V18, a magnetic pump 19, a pressure stabilizing tank 20 and a battery box 21.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, a hybrid external cooling system for an energy storage battery comprises a cooling passage i 3 and a cooling passage ii 4 which are connected in parallel between a battery box outlet pipeline 1 and a battery box inlet pipeline 2 of the energy storage battery, and an inlet of the cooling passage i 3 and an inlet of the cooling passage ii 4 are connected with the battery box outlet pipeline 1 through an electric three-way valve 5; an air cooler 6 is connected in the cooling passage I3, and a plate heat exchanger 7 is connected in the cooling passage II 4.
Specifically, the cooling path I3 comprises an air cooler inlet pipeline 3-1 connected between the outlet I of the electric three-way valve 5 and the inlet of the air cooler 6, and an air cooler outlet pipeline 3-2 connected between the outlet of the air cooler 6 and the inlet pipeline 2 of the battery box.
And the cooling passage II 4 comprises a heat exchanger inlet pipeline 4-1 connected between the outlet II of the electric three-way valve 5 and the hot side inlet of the plate heat exchanger 7 and a heat exchanger outlet pipeline 4-2 connected between the hot side outlet of the plate heat exchanger 7 and the battery box inlet pipeline 2.
The cooling liquid for cooling the battery box 21 may be a fluorinated liquid, and the cooling liquid of this embodiment may be a fluorinated liquid, for example.
A temperature transmitter I8 is installed on the battery box outlet pipeline 1, and a temperature transmitter II 9 is installed on the battery box inlet pipeline 2.
Temperature transmitter I8 set up the temperature that can real-time detection battery box export pipeline 1 in fluoridize the liquid, and temperature transmitter II 9 can real-time detection battery box entry pipeline 2 in the temperature of fluoridizing the liquid.
The battery box 21 does not comprise only one battery box 21, but the coolant outlets of a plurality of battery boxes 21 all merge into the battery box outlet line 1, while the battery box inlet line 2 is likewise connected to the coolant inlet of the respective battery box 21.
Preferably, a valve I10 is arranged on the outlet pipeline 1 of the battery box and used for controlling the on-off of the outlet pipeline 1 of the battery box, and a valve II 11 is arranged on the inlet pipeline 2 of the battery box and used for controlling the on-off of the inlet pipeline 2 of the battery box.
Wherein, valve I10 is located between temperature transmitter I8 and the coolant outlet of battery box 21, and valve II 11 is located between temperature transmitter II 9 and the coolant inlet of battery box 21.
Preferably, a pressure transmitter I12 is arranged on the outlet pipeline 1 of the battery box and used for detecting the pressure change of the fluorinated liquid in the outlet pipeline 1 of the battery box; and a pressure transmitter II 13 is arranged on the battery box inlet pipeline 2 and used for detecting the pressure change of the fluorinated liquid in the battery box inlet pipeline 2.
Wherein, pressure transmitter I12 is located the exit side of temperature transmitter I8, and pressure transmitter II 13 is located the entry side of temperature transmitter II 9.
In order to cool the coolant passing through the hot side of the plate heat exchanger 7, the cooling passage ii 4 is connected to the hot side of the plate heat exchanger 7, and the cold side of the plate heat exchanger 7 is connected to the cooling circulation passage 14.
Specifically, the cooling circulation path 14 includes a cooling medium inlet line 14-1 connected to a cold side inlet of the plate heat exchanger 7, and a cooling medium outlet line 14-2 connected to a cold side outlet of the plate heat exchanger 7.
The cooling circulation path 14 is provided with a cooling medium, such as freon, and the cooling circulation path exchanges heat with the fluorinated liquid through the freon to take away heat in the fluorinated liquid, so that the fluorinated liquid is sent into the battery box 21 again to cool the battery box.
A water chiller 15 is attached to the cooling circulation passage 14 so as to be able to cool the cooling medium.
The cooling medium discharged from the cooling medium outlet pipeline 14-2 is cooled by the water chiller 15, enters the plate heat exchanger 7 again through the cooling medium inlet pipeline 14-1, and exchanges heat with the fluorinated liquid, so that the fluorinated liquid is cooled.
The water cooler 15 adopts a variable frequency motor, so that the service life of the compressor can be prolonged, and the whole compressor is more energy-saving.
The inlet of the cooling circulation path 14 is equipped with a temperature transmitter iii 16, and the outlet is equipped with a temperature transmitter iv 17.
The temperature transmitter III 16 is installed on the cooling medium inlet pipeline 14-1 and used for detecting the temperature of the cooling medium in the cooling medium inlet pipeline 14-1, and the temperature transmitter IV 17 is installed on the cooling medium outlet pipeline 14-2 and used for detecting the temperature of the cooling medium in the cooling medium outlet pipeline 14-2.
The hybrid external cooling system also comprises a temperature transmitter v 18 for ambient temperature detection.
The temperature transmitter v 18 is used to detect the temperature of the environment.
In order to provide power for the fluorinated liquid to enter the cooling passage I3 or the cooling passage II 4 for cooling circulation, a magnetic pump 19 is arranged on the outlet pipeline 1 of the battery box.
Specifically, the magnetic pump 19 is attached to the inlet side of the electric three-way valve 5.
A pressure stabilizing tank 20 is arranged on the outlet pipeline 1 of the battery box.
The setting of surge tank 20 can provide the volume change space that produces when fluoridizing the liquid because of ambient temperature changes, reduces the water hammer effect that produces when valve I10 and the opening and closing of valve II 11, guarantees the even running of system.
The desired inlet temperature Tin of the battery box is set, the ambient temperature is T0, and the maximum design loop temperature of the air cooler 6 is T0 m.
The specific selection of cooling channels I3 and II 4 is as follows:
(1) if Tin is greater than T0 and T0 is greater than T0m, the valve position of the electric three-way valve 5 is adjusted to 90 degrees, at the moment, the external cooling system adopts a cooling passage I3, namely, the fluorinated liquid enters an air cooler 6 through an air cooler inlet pipeline 3-1, flows into a battery box inlet pipeline 2 through an air cooler outlet pipeline 3-2 and returns to the battery box 21, so that reciprocating circulation is formed, and the battery box 21 is cooled;
(2) if Tin is more than T0 and more than T0m or Tin is less than T0, the valve position of the electric three-way valve 5 is adjusted to be 0 degree, at the moment, the external cooling system adopts a cooling passage II 4, the fluorinated liquid enters the plate heat exchanger 7 through a heat exchanger inlet pipeline 4-1, and a heat exchanger outlet pipeline 4-2 flows into the battery box inlet pipeline 2 and returns to the battery box 21, so that reciprocating circulation is formed, and the battery box 21 is cooled. At the same time, the water chiller 15 on the cooling circuit 14 is started to remove the heat of the fluorinated liquid in the plate heat exchanger 7 by the refrigeration of the cooling medium such as freon.
According to the utility model, through the parallel arrangement of the two cooling passages, the cooling liquid can be selectively cooled circularly, so that the energy consumption can be reduced and the environment can be protected while the cooling effect is ensured; and the two cooling passages are automatically controlled through the electric three-way valve 5, so that the structure of the whole external cooling system is simplified, the failure probability is reduced, the maintenance cost is reduced, and the use is more convenient.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220274611.5U CN216903111U (en) | 2022-02-10 | 2022-02-10 | Hybrid external cooling system for energy storage battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220274611.5U CN216903111U (en) | 2022-02-10 | 2022-02-10 | Hybrid external cooling system for energy storage battery |
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| CN216903111U true CN216903111U (en) | 2022-07-05 |
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| CN202220274611.5U Active CN216903111U (en) | 2022-02-10 | 2022-02-10 | Hybrid external cooling system for energy storage battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420855A (en) * | 2022-08-23 | 2022-12-02 | 常州博瑞电力自动化设备有限公司 | Method for testing running compatibility of battery cell in fluorinated liquid |
| CN119521635A (en) * | 2025-01-20 | 2025-02-25 | 常州博瑞电力自动化设备有限公司 | A water cooling system and control method |
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2022
- 2022-02-10 CN CN202220274611.5U patent/CN216903111U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420855A (en) * | 2022-08-23 | 2022-12-02 | 常州博瑞电力自动化设备有限公司 | Method for testing running compatibility of battery cell in fluorinated liquid |
| CN115420855B (en) * | 2022-08-23 | 2023-07-11 | 常州博瑞电力自动化设备有限公司 | Method for testing running compatibility of battery cells in fluorinated solution |
| CN119521635A (en) * | 2025-01-20 | 2025-02-25 | 常州博瑞电力自动化设备有限公司 | A water cooling system and control method |
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