CN218751345U - Boats and ships motor dual cycle cooling system - Google Patents
Boats and ships motor dual cycle cooling system Download PDFInfo
- Publication number
- CN218751345U CN218751345U CN202222754718.2U CN202222754718U CN218751345U CN 218751345 U CN218751345 U CN 218751345U CN 202222754718 U CN202222754718 U CN 202222754718U CN 218751345 U CN218751345 U CN 218751345U
- Authority
- CN
- China
- Prior art keywords
- motor
- water
- heat exchanger
- seawater
- water inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a boats and ships cooling system technical field provides a two circulative cooling system of boats and ships motor. The seawater-cooled marine engine comprises a first circulating cooling loop and a second circulating cooling branch, wherein the first circulating cooling loop is formed by connecting a heat exchanger, a propulsion motor and a motor controller through pipelines, a seawater pump pumps seawater into the heat exchanger, and heat exchange is carried out between the seawater pump and the first circulating cooling loop in the heat exchanger. The utility model discloses regarding the sea water that will introduce as solitary branch road, directly following heat exchanger and discharging into the sea behind the heat exchange, the sea water does not participate in the exchange circuit of motor, controller, also need not adopt relevant equipment such as fan unit of motor to cool off, and equipment requirement is low, the installation is simple and convenient. The expansion water tank is arranged in the system, so that the water expansion amount of the system can be accommodated, the water pressure fluctuation of the system caused by the expansion of water is reduced, when the system leaks water or the system is cooled due to some reason, the liquid level of the expansion water tank is reduced, refrigerant media are supplemented for the system, and the pressure of the system is stabilized.
Description
Technical Field
The utility model relates to a boats and ships cooling system technical field, concretely relates to two circulative cooling system of boats and ships motor.
Background
The motor propulsion system of the ship needs continuous cooling heat dissipation in work to meet the requirements of the operation working conditions of the ship, and the motor is prevented from being overheated to cause instrument failure or even paralysis due to operation, so that a cooling system needs to be equipped for a diesel engine to ensure the good work of a ship power device. A common cooling system for ships pumps seawater as a refrigerant medium to a heat exchanger or a fan device of a motor for cooling, in which contaminated seawater, floating materials, silt and seawater are very likely to cause blockage or corrosion of a cooling system pipeline, thereby causing damage to the cooling equipment or overheating failure of a diesel engine, and the arrangement of the cooling system is limited by the structure of a ship body.
The method also has another cooling mode, namely the temperature difference between seawater and high-temperature cooling fresh water serving as a refrigerant medium is utilized, outboard seawater is used as a secondary refrigerant medium to carry out secondary cooling on the high-temperature cooling fresh water in the diesel engine cooling device, and the fresh water cooling part is a closed cooling system.
In the mode, the system needs to be designed in a closed loop mode, the design requirement on the cooling circuit is high, the cooling circuit is unreasonable in design, and the conditions of system pressure abnormity and cold medium leakage caused by temperature change in the cooling circuit occur occasionally, so that the normal operation of the motor propulsion system is influenced.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the background art, the utility model provides a method is simple, the cooling effect is good, easily promote the single circulation sea water cooling system who should be used for motor propulsion. The specific technical scheme is as follows
A marine electric machine dual cycle cooling system, comprising:
the heat exchanger is provided with a first heat exchanger water inlet, a first heat exchanger water outlet, a second heat exchanger water inlet and a second heat exchanger water outlet;
the propulsion motor is provided with a first motor water inlet, a first motor water outlet, a second motor water inlet and a second motor water outlet;
the motor controller is provided with a controller water inlet and a controller water outlet;
the heat exchanger, the propulsion motor and the motor controller are connected through pipelines to form a first circulating cooling loop: a second water outlet of the heat exchanger in the first cooling loop is connected with a first water inlet of the motor, the first water outlet of the motor is connected with a water inlet of the controller, a water outlet of the controller is connected with a second water inlet of the motor, and the second water outlet of the motor is connected with a second water inlet of the heat exchanger;
the expansion water tank is connected between the first water inlet of the motor and the second water inlet of the motor in parallel, and the position of the expansion water tank is higher than that of the propulsion motor and the motor controller; a refrigerant medium is stored in the expansion water tank;
still be provided with the second circulative cooling branch road, include:
the seawater inlet and the seawater pump are arranged at the front end of the first water inlet of the heat exchanger; a seawater outlet arranged at the rear end of the heat exchanger;
the seawater pump pumps seawater into the heat exchanger, and the seawater exchanges heat with the first circulating cooling loop in the heat exchanger.
Further, a circulating water pump is arranged between the first water inlet of the heat exchanger and the first water inlet of the motor.
Furthermore, a valve is arranged between the second water inlet of the motor and the expansion water tank.
Further, the installation position of expansion tank is higher than propulsion motor more than 3 meters.
Further, a seawater filter is arranged between the seawater inlet and the seawater pump and used for filtering impurities in the seawater to prevent the pipeline from being blocked.
The utility model discloses the beneficial effect who reaches does:
first, the utility model designs a cold return circuit of dual cycle, the sea water that will introduce is as solitary branch road, and the sea is directly discharged from heat exchanger after the heat exchange, and the sea water does not participate in the exchange circuit of motor, controller, also need not adopt relevant equipment such as fan unit of motor to cool off, and the equipment requirement is low, the installation is simple and convenient.
Secondly, in order to prevent the situations of leakage of cold medium caused by overhigh temperature and abnormal pressure of a cooling loop and the like, an expansion water tank is arranged in the system; the expansion water tank accommodates the water expansion amount of the system, so that the water pressure fluctuation of the system caused by the expansion of water is reduced, the air released by the water in the heating process is discharged, and the safety and the reliability of the operation of the system are improved;
the installation position of expansion tank is higher than propulsion motor 3 meters more, when the system leaked or the system cooling down because of some reason, expansion tank liquid level declined, for the system replenishment refrigerant medium, stabilized system's pressure.
And thirdly, the propulsion motor is provided with two water outlets of two water inlets, so that the heat exchange is more sufficient, and the motor controller is arranged in the cooling circulation loop, so that the whole motor propulsion system is more sufficiently cooled.
Drawings
Fig. 1 is a schematic structural diagram of a marine motor dual cycle cooling system.
Reference numbers in the figures:
1. an expansion tank; 2. a valve; 3. a propulsion motor; 4. a motor controller; 5. a circulating water pump; 6. a heat exchanger; 31. a first water inlet of the motor; 32. a first water outlet of the motor; 33. a second water inlet of the motor; 34. a second water outlet of the motor; 41. a controller water inlet; 42. a water outlet of the controller; 61. a first water inlet of the heat exchanger; 62. a first water outlet of the heat exchanger; 63. a second water outlet of the heat exchanger; 64. a second water inlet of the heat exchanger; 7. a sea water pump; 8. a seawater filter; 9. a seawater inlet; 10. and (5) a seawater outlet.
Detailed Description
To facilitate understanding of the present invention for those skilled in the art, the following description is given with reference to the accompanying drawings.
The utility model discloses a ship motor dual cycle cooling system, it includes heat exchanger 6, heat exchanger 6 is provided with heat exchanger first water inlet 61, heat exchanger first water outlet 62, heat exchanger second water inlet 64, heat exchanger second water outlet 63;
the device is characterized by further comprising a propelling motor 3, wherein the propelling motor 3 is provided with a first motor water inlet 31, a first motor water outlet 32, a second motor water inlet 33 and a second motor water outlet 34; the motor controller 4 is provided with a controller water inlet 41 and a controller water outlet 42;
the heat exchanger 6, the propulsion motor 3 and the motor controller 4 are connected through pipelines to form a first circulating cooling loop: the second water outlet 63 of the heat exchanger in the first cooling loop is connected with the first water inlet 31 of the motor, the first water outlet 32 of the motor is connected with the water inlet 41 of the controller, the water outlet 42 of the controller is connected with the second water inlet 33 of the motor, and the second water outlet 34 of the motor is connected with the second water inlet 64 of the heat exchanger;
the system is also provided with a second circulating cooling branch which comprises a seawater inlet 9 and a seawater pump 7, wherein the seawater inlet 9 and the seawater pump 7 are arranged at the front end of the first water inlet 61 of the heat exchanger; a seawater outlet 10 provided at the rear end of the heat exchanger 6; the seawater pump 7 pumps the seawater pump 7 into the heat exchanger 6, exchanges heat with the first recirculating cooling loop in the heat exchanger 6, and discharges the seawater into the sea through the seawater outlet 10. A seawater filter 8 is arranged between the seawater inlet 9 and the seawater pump 7 and is used for filtering impurities in seawater so as not to block pipelines.
The system is also provided with an expansion water tank 1, and the installation position of the expansion water tank 1 is 33 meters higher than that of the propulsion motor. When the system leaks water or the system is cooled down due to some reason, the liquid level of the expansion water tank 1 is reduced, and refrigerant medium is supplemented for the system.
The expansion water tank 1 is connected between the first water inlet 31 and the second water inlet 33 of the motor in parallel, and the position of the expansion water tank 1 is higher than that of the propulsion motor 3 and the motor controller 4.
A valve 2 is arranged between the second water inlet 33 of the motor and the expansion water tank 1. After the valve 2 is closed, refrigerant medium can be added into the expansion tank 1. The refrigerant medium can be selected from water, freon and the like.
A circulating water pump 5 is arranged between the first water inlet 61 of the heat exchanger and the first water inlet 31 of the motor, and after the circulating water pump 5 is started, a refrigerant medium circularly flows in the cooling loop; in the second circulation branch, the seawater pump 7 pumps the seawater pump 7 into the heat exchanger 6, and heat exchange is carried out between the seawater pump 7 and the first circulation cooling loop in the heat exchanger 6, so that the propulsion motor 3 and the motor controller 4 in the cooling loop can work within a normal temperature range.
The above embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. A marine engine dual cycle cooling system, comprising:
the heat exchanger is provided with a first heat exchanger water inlet, a first heat exchanger water outlet, a second heat exchanger water inlet and a second heat exchanger water outlet;
the propulsion motor is provided with a first motor water inlet, a first motor water outlet, a second motor water inlet and a second motor water outlet;
the motor controller is provided with a controller water inlet and a controller water outlet;
the heat exchanger, the propulsion motor and the motor controller are connected through pipelines to form a first circulating cooling loop: a second water outlet of the heat exchanger in the first circulating cooling loop is connected with a first water inlet of the motor, the first water outlet of the motor is connected with a water inlet of the controller, a water outlet of the controller is connected with a second water inlet of the motor, and the second water outlet of the motor is connected with a second water inlet of the heat exchanger;
the expansion water tank is connected between the first water inlet of the motor and the second water inlet of the motor in parallel, and the position of the expansion water tank is higher than that of the propulsion motor and the motor controller; a refrigerant medium is stored in the expansion water tank;
still be provided with the second circulative cooling branch road, include:
the seawater inlet and the seawater pump are arranged at the front end of the first water inlet of the heat exchanger; a seawater outlet arranged at the rear end of the heat exchanger;
the seawater pump pumps seawater into the heat exchanger, and the seawater exchanges heat with the first circulating cooling loop in the heat exchanger.
2. The marine motor dual cycle cooling system of claim 1, wherein a circulating water pump is disposed between the first water inlet of the heat exchanger and the first water inlet of the motor.
3. The marine motor dual cycle cooling system of claim 1, wherein a valve is disposed between the second water inlet of the motor and the expansion tank.
4. The marine motor dual cycle cooling system of claim 1, wherein the expansion tank is installed 3 meters above the propulsion motor.
5. The marine motor dual cycle cooling system of claim 1, wherein a seawater filter is disposed between the seawater inlet and the seawater pump.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221320712 | 2022-05-26 | ||
| CN2022213207128 | 2022-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218751345U true CN218751345U (en) | 2023-03-28 |
Family
ID=85700767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222754718.2U Active CN218751345U (en) | 2022-05-26 | 2022-10-19 | Boats and ships motor dual cycle cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218751345U (en) |
-
2022
- 2022-10-19 CN CN202222754718.2U patent/CN218751345U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5102832B2 (en) | Cooling system | |
| CN201633913U (en) | Ship engine cooling system | |
| EP0126620A2 (en) | Engine cooling system | |
| CN108826802B (en) | Cooling water system for deep sea manned platform | |
| CN109969372B (en) | Water cooling system for water surface cleaning ship suitable for different water areas by internal and external circulation switching | |
| CN101943048A (en) | Double circulation water-cooling energy saving system for ship | |
| CN218751345U (en) | Boats and ships motor dual cycle cooling system | |
| US6145480A (en) | Turbocharged engine cooling system with two two-pass radiators | |
| KR20100029418A (en) | Cooling system for a ship | |
| US3476070A (en) | Heat exchanger for boat propulsion unit | |
| CN209838517U (en) | Marine engine room cooling system | |
| CN217374876U (en) | Single-circulation seawater cooling system for motor propulsion | |
| CN114228968B (en) | Ship seawater cooling treatment device and using method thereof | |
| JP5504394B2 (en) | Fuel oil heating supply system using exhaust heat of diesel engine | |
| CN113060247B (en) | Novel anti-freezing system for ballast tank | |
| CN210269178U (en) | Marine low-speed diesel engine lubricating oil test system | |
| CN213235267U (en) | LPG ship waste heat utilization system | |
| CN114030580A (en) | Inter-board cooling system of multi-shell underwater unmanned aircraft | |
| CN212359933U (en) | Cooling device of bridging motorboat and bridging motorboat | |
| CN210265363U (en) | Hydraulic control system for ship | |
| CN211592897U (en) | Integrated water cooling device of pure electric ship power and electric control system | |
| CN217436035U (en) | Low-temperature fresh water cooling system for tug in harbor operation | |
| US20230365243A1 (en) | Split Cooling System for Marine Jet engine | |
| CN221227308U (en) | Cooling water supply and drainage system of offshore mobile platform generator set | |
| CN112576933B (en) | LNG supply system of LNG fuel power ship and control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |