CN-121035445-B - Battery cooling system for ship and control method thereof

CN121035445BCN 121035445 BCN121035445 BCN 121035445BCN-121035445-B

Abstract

The invention relates to the technical field of power battery liquid cooling, and discloses a battery cooling system for ships and a control method thereof, wherein the battery cooling system comprises the following components: the invention discloses a solar energy ship battery cooling system, which comprises a compressor, a condenser, a condensing fan, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first water pump and a second water pump, wherein the condensing fan is arranged opposite to the condenser, the compressor, the condenser and the first heat exchanger are communicated and combined with the condensing fan to form a compressor refrigeration circulating system, the first heat exchanger, the second heat exchanger and the compressor are communicated to form a sea water refrigeration circulating system, the third heat exchanger and the second water pump are communicated to form a sea water cooling circulating system, the first heat exchanger, the third heat exchanger and the first water pump are communicated to form a cooling circulating system, and the working mode of the ship battery cooling system comprises a wind source refrigerating mode, a sea water source refrigerating mode and a sea water source water cooling mode.

Inventors

YAN XIAOQIAN
WANG XIAOYONG
WANG YANG
DENG SHAODONG
JIANG ZHENTAO
LIU DINGXI
CHEN JUAN
HUANG HAITING

Assignees

东莞市硅翔绝缘材料有限公司

Dates

Publication Date: 20260508
Application Date: 20251029

Claims (8)

1. A control method of a battery cooling system for a ship is used for controlling the battery cooling system for the ship, and is characterized by comprising a compressor (101), a condenser (102), a condensing fan (104), a first heat exchanger (103), a second heat exchanger (201), a third heat exchanger (301), a first water pump (401) and a second water pump (501); The condenser fan (104) is arranged opposite to the condenser (102), the compressor (101), the condenser (102), the first heat exchanger (103) are communicated and combined with the condenser fan (104) to form a compressor refrigeration cycle system (100), the first heat exchanger (103), the second heat exchanger (201) and the compressor (101) are communicated to form a seawater refrigeration cycle system (200), the seawater refrigeration cycle system (200) is provided with a seawater inlet, the seawater refrigeration cycle system (200) comprises a first valve (303) arranged close to the seawater inlet, the third heat exchanger (301) and the second water pump (501) are communicated to form a seawater water cooling cycle system (300), and the first heat exchanger (103), the third heat exchanger (301) and the first water pump (401) are communicated to form a cooling cycle system (400); the working modes of the battery cooling system for the ship comprise a wind source refrigerating mode, a seawater source refrigerating mode and a seawater source water cooling mode, when the battery cooling system for the ship is in the wind source refrigerating mode, the compressor refrigerating circulation system (100) is started to exchange heat with the cooling circulation system (400), when the battery cooling system for the ship is in the seawater source refrigerating mode, the seawater refrigerating circulation system (200) is started to exchange heat with the cooling circulation system (400), and when the battery cooling system for the ship is in the seawater source water cooling mode, the seawater water cooling circulation system (300) is started to exchange heat with the cooling circulation system (400); the control method of the battery cooling system for the ship comprises the following steps: -acquiring an inlet temperature of the condenser (102), an outlet temperature of the third heat exchanger (301) and an outlet temperature of the first valve (303); -controlling the marine battery cooling system for mode selection based on the inlet temperature of the condenser (102), the outlet temperature of the third heat exchanger (301) and the outlet temperature of the first valve (303), the steps comprising: When the inlet temperature of the condenser (102) is less than T2 and the outlet temperature of the third heat exchanger (301) is more than or equal to T1, the compressor refrigeration cycle system (100) is operated to exchange heat for the cooling cycle system (400), wherein T1 is the outlet temperature of the cooling cycle system (400) set according to the requirement of a user, and T2 is the ambient temperature of the inlet of the condenser (102); When the inlet temperature of the condenser (102) is more than or equal to T2, the outlet temperature of the first valve (303) is more than or equal to T3, and the outlet temperature of the third heat exchanger (301) is more than or equal to T1, operating the seawater source refrigeration mode to exchange heat for the cooling circulation system (400), wherein T3 is the outlet temperature threshold value of the first valve (303) set by a user; when the inlet temperature of the condenser (102) is more than or equal to T2, the outlet temperature of the first valve (303) is less than T3, and the outlet temperature of the third heat exchanger (301) is more than or equal to T1, the operation seawater source water cooling mode is the heat exchange of the cooling circulation system (400).
2. The control method of the marine battery cooling system according to claim 1, wherein the second water pump (501), the second heat exchanger (201), and the third heat exchanger (301) are communicated to form a cleaning circulation system (500); The working mode of the battery cooling system for the ship further comprises a cleaning mode, and when the battery cooling system for the ship is in the cleaning mode, the cleaning circulation system (500) is started to clean the seawater refrigeration circulation system (200) and the seawater water cooling circulation system (300).
3. The method for controlling a battery cooling system for a ship according to claim 2, wherein the compressor refrigeration cycle system (100) includes a compressor refrigeration cycle line (105), and the compressor (101), the condenser (102), and the first heat exchanger (103) are provided in the compressor refrigeration cycle line (105).
4. A control method of a marine battery cooling system according to claim 3, wherein the seawater refrigeration cycle system (200) further comprises a seawater refrigeration cycle line (202), the seawater refrigeration cycle line (202) is in communication with the compressor refrigeration cycle line (105), the second heat exchanger (201) is provided to the seawater refrigeration cycle line (202), and the second heat exchanger (201) is connected in parallel with the condenser (102).
5. The method according to claim 4, wherein the seawater refrigeration cycle system (200) includes a first seawater circulation line (203) and a third valve (304), the first valve (303), the third valve (304), and the second heat exchanger (201) are provided in the first seawater circulation line (203), the seawater inlet is formed in the first seawater circulation line (203), the first seawater circulation line (203) further has a seawater outlet, the third valve (304) is provided near the seawater outlet, and the first seawater circulation line (203) exchanges heat with the seawater refrigeration cycle line (202) through the second heat exchanger (201).
6. The method according to claim 5, wherein the seawater cooling system (300) comprises a second seawater circulation line (302) and a fourth valve (305), the third heat exchanger (301), and the second water pump (501) are disposed in the second seawater circulation line (302), the second seawater circulation line (302) is in communication with the first seawater circulation line (203), the second heat exchanger (201) is connected in parallel with the third heat exchanger (301), and the first seawater circulation line (203) is further provided with a second valve (204).
7. The method according to claim 6, wherein the cleaning circulation system (500) includes a cleaning inlet branch (502), a cleaning outlet branch (503), a fifth valve (504), and a sixth valve (505), the cleaning inlet branch (502) and the cleaning outlet branch (503) are each provided in communication with the first seawater circulation line (203), the fifth valve (504) is provided to the cleaning inlet branch (502), and the sixth valve (505) is provided to the cleaning outlet branch (503); The communication position of the cleaning inlet branch (502) and the first seawater circulating pipeline (203) is located between the first valve (303) and the second heat exchanger (201), and the communication position of the cleaning outlet branch (503) and the first seawater circulating pipeline (203) is located between the second heat exchanger (201) and the third valve (304).
8. The control method of a marine battery cooling system according to any one of claims 1 to 7, wherein the cooling circulation system (400) includes a cooling circulation line (408), the first water pump (401), the first heat exchanger (103), and the third heat exchanger (301) are provided in the cooling circulation line (408), and at least two first water pumps (401) are provided in parallel.

Description

Battery cooling system for ship and control method thereof Technical Field The invention relates to the technical field of power battery liquid cooling, in particular to a battery cooling system for ships and a control method thereof. Background The ship is taken as a historically important transportation tool and a production tool for human beings, the importance of the ship is penetrated in a plurality of core fields such as global economy, international trade, civil security, technological development and the like, the ship is a key tie for connecting land, sea and global system, the ship running power is a key for ensuring the normal navigation of the ship, the current ship running power still mainly uses diesel oil, and the ship cooling system is mainly used for cooling ships between refrigerating rooms, air conditioners, data centers and the like, so the cooling field of power batteries of electric ships still has more blank, and the power batteries of the electric ships lack corresponding high-efficiency cooling systems. Disclosure of Invention In view of the above, the present invention provides a battery cooling system for a ship and a control method thereof, so as to solve the problem of heat dissipation of a power battery of the ship. In a first aspect, the invention provides a battery cooling system for a ship, which comprises a compressor, a condenser, a condensing fan, a first heat exchanger, a second heat exchanger, a third heat exchanger, a first water pump and a second water pump, wherein the condensing fan is arranged opposite to the condenser, the compressor, the condenser and the first heat exchanger are communicated and combined with the condensing fan to form a compressor refrigeration cycle system, the first heat exchanger, the second heat exchanger and the compressor are communicated to form a sea water refrigeration cycle system, the sea water refrigeration cycle system is provided with a sea water inlet, the sea water refrigeration cycle system comprises a first valve arranged close to the sea water inlet, the third heat exchanger and the second water pump are communicated to form a sea water cooling cycle system, the working mode of the battery cooling system for the ship comprises a wind source refrigeration mode, a sea water source refrigeration mode and a sea water source water cooling mode, when the wind source refrigeration cycle system is in the wind source refrigeration mode, the sea water cooling cycle system is in the sea water source refrigeration cycle system is in the sea water cooling cycle system, and when the sea water cooling cycle system is in the sea water source refrigeration cycle system is in the sea water cooling cycle mode, the sea water cooling cycle system is in the sea water source refrigeration cycle system is in the sea water cooling cycle system is started, and when the sea water cycle system is in the sea water cooling cycle system is in the sea water source refrigeration cycle mode. Optionally, the second water pump, the second heat exchanger and the third heat exchanger are communicated to form a cleaning circulation system, the working mode of the battery cooling system for the ship further comprises a cleaning mode, and when the battery cooling system for the ship is in the cleaning mode, the cleaning circulation system is started to clean the seawater refrigeration circulation system and the seawater water cooling circulation system. Optionally, the compressor circulation refrigeration system includes a compressor refrigeration circulation pipeline, and the compressor, the condenser and the first heat exchanger are arranged in the compressor refrigeration circulation pipeline. Optionally, the seawater refrigeration cycle system further comprises a seawater refrigeration cycle pipeline, the seawater refrigeration cycle pipeline is communicated with the compressor refrigeration cycle pipeline, the second heat exchanger is arranged on the seawater refrigeration cycle pipeline, and the second heat exchanger is connected with the condenser in parallel. Optionally, the seawater refrigeration cycle system comprises a first seawater cycle pipeline and a third valve, the first valve, the third valve and the second heat exchanger are arranged in the first seawater cycle pipeline, the seawater inlet is formed in the first seawater cycle pipeline, the first seawater cycle pipeline is further provided with a seawater outlet, the third valve is arranged close to the seawater outlet, and the first seawater cycle pipeline exchanges heat with the seawater refrigeration cycle pipeline through the second heat exchanger. Optionally, the seawater water cooling circulation system comprises a second seawater circulation pipeline and a fourth valve, the third heat exchanger and the second water pump are arranged on the second seawater circulation pipeline, the second seawater circulation pipeline is communicated with the first seawater circulation pipeline, the second h