CN210793600U - Open cooling system applied to pod propeller propulsion motor - Google Patents
Open cooling system applied to pod propeller propulsion motor Download PDFInfo
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- CN210793600U CN210793600U CN201921015338.9U CN201921015338U CN210793600U CN 210793600 U CN210793600 U CN 210793600U CN 201921015338 U CN201921015338 U CN 201921015338U CN 210793600 U CN210793600 U CN 210793600U
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- water
- water tank
- cooling
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- seawater
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Abstract
An object of the utility model is to provide an open cooling system who is applied to nacelle propeller propulsion motor, comprising a water tank, sea water pump, cooling water pump, heat exchanger, propulsion motor, the sea water passes through sea water valve intercommunication sea water pump, sea water pump loops through the sea water filter, water tank inlet valve connects the water tank, the water tank passes through water tank outlet valve and connects cooling water pump, cooling water pump connects heat exchanger, heat exchanger installs the outside at propulsion motor, sea water valve is connected respectively to the controller, sea water pump, water tank inlet valve, water tank outlet valve, cooling water pump, heat exchanger connects drainage pipe. The utility model discloses use the bigger water of thermal capacity to replace the air as cooling medium, improve nacelle propulsion motor's cooling effect, reduce the heat load of motor, improve the reliability of motor, still can be according to the different operating mode adjustment cooling effect of propeller, make propulsion motor work all the time on the best temperature.
Description
Technical Field
The utility model relates to a cooling system, specifically speaking are cooling system of propeller.
Background
The pod type propeller arranges the propelling motor outside the cabin, is directly connected with the propeller, and can horizontally rotate within 360 degrees to realize vector propulsion. Generally, the device mainly comprises a built-in driving motor module, a propeller module, a horizontal rotating mechanism and a cooling device. Due to the narrow nacelle space, the propulsion motor has a high requirement on the cooling system, and the cooling system is not easy to arrange. If the temperature in the motor is too high, the winding insulation material of the motor can be aged gradually, the insulation performance and the mechanical strength are reduced gradually, and the service life of the motor can be greatly shortened. Therefore, the method for improving the heat dissipation condition of the motor stator and trying to reduce the temperature of the motor is an effective method for improving the overload capacity of the motor and prolonging the service life of the motor.
For the cooling of the propulsion motor, an air cooling system is generally adopted for cooling, and the air cooling system mainly comprises a fan, a cooler and an air filtering device, wherein the air filtering device is mainly used for filtering moisture and dust, the cooling system directly introduces air into the motor to cool the motor, although the structure of the device is simple, the heat exchange area of the generator is limited, only the part of the stator core in contact with the air gap carries out convective heat exchange with cooling air, the heat inside the stator core needs to be transferred to the position in contact with the air gap in a heat conduction process, the temperature gradient in the process is small, the thermal resistance is large, the heat transfer speed is slow, and the cooling effect is limited.
The air cooling system has a good cooling effect on the motor rotor, but the cooling effect on the stator is limited, so that heat accumulation inside a stator iron core is easily caused, and the service life of the motor is influenced.
Disclosure of Invention
An object of the utility model is to provide a can make propulsion motor work all the time and be applied to nacelle propeller propulsion motor's open cooling system on the best temperature.
The purpose of the utility model is realized like this:
the utility model discloses be applied to nacelle propeller propulsion motor's open cooling system, characterized by: the seawater cooling device comprises a water tank, a seawater pump, a cooling water pump, a heat exchanger and a propulsion motor, wherein seawater is communicated with the seawater pump through a seawater valve, the seawater pump is sequentially connected with the water tank through a seawater filter and a water tank inlet valve, the water tank is connected with the cooling water pump through a water tank outlet valve, the cooling water pump is connected with the heat exchanger, the heat exchanger is arranged outside the propulsion motor, a controller is respectively connected with the seawater valve, the seawater pump, the water tank inlet valve, the water tank outlet valve and the cooling water pump, and the heat exchanger.
The utility model discloses be applied to open cooling system of nacelle propeller propulsion motor can also include:
1. the propulsion motor comprises a motor shell as a stator, radiating fins are arranged outside the motor shell, the heat exchanger comprises a water inlet main pipe, water inlet manifolds, a water outlet main pipe and water outlet manifolds, the water inlet main pipe is communicated with the water inlet manifolds, the water outlet main pipe is communicated with the water outlet manifolds, each water inlet manifold is communicated with the corresponding water outlet manifold through a connector, and the water inlet manifolds and the water outlet manifolds are respectively inserted into gaps of the radiating fins.
2. The water tank is provided with a water tank level sensor, the propulsion motor is connected with a motor temperature sensor, the drainage pipeline is provided with a drainage temperature sensor, and the water tank level sensor, the motor temperature sensor and the water temperature sensor are all connected with the controller.
The utility model has the advantages that: the utility model discloses use the bigger water of thermal capacity to replace the air as cooling medium, improve nacelle propulsion motor's cooling effect, reduce the heat load of motor, improve the reliability of motor, still can be according to the different operating mode adjustment cooling effect of propeller, make propulsion motor work all the time on the best temperature. The utility model discloses need not to make big change to the motor, can make the motor obtain better cooling effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the heat exchanger of the present invention.
Detailed Description
The invention will be described in more detail below by way of example with reference to the accompanying drawings:
combine fig. 1, the utility model discloses be applied to open cooling system of boats and ships nacelle propeller propulsion motor, including cooling water route and control scheme two parts, the cooling water route includes sea water inlet channel 13, sea water valve 14, sea water pump 12, sea water filter 15, water tank inlet valve 16, water tank 1, water tank outlet valve 2, cooling water pump 3, heat exchanger 4, drainage pipe 5, and control scheme includes drainage temperature sensor 7, propulsion motor 8, motor temperature sensor 9, controller 10, signal line 6 and control signal line 11. The inlet 12 of the seawater pump is connected with a seawater valve 14, and the seawater valve 14 is connected with seawater outside the hanging cabin through a seawater pipeline 13. The outlet of the seawater pump 12 is connected with a seawater filter 15, and the seawater filter 15 is connected with the water tank 1 through a water tank inlet valve 16 and a pipeline. The sea water pump 12 extracts the sea water outside the nacelle, the sea water enters the sea water filter 15 after passing through the sea water valve 14 and the pipeline, the sea water enters the water tank inlet valve 16 after being filtered by the sea water filter 15, then the sea water enters the water tank 1 for storage, the outlet of the water tank 1 is connected with the water tank outlet valve 2 through the pipeline, the cooling water pump 3 is connected with the water tank 1 through the water tank outlet valve 2, the cooling water is extracted from the water tank 1, and the cooling water is pumped into the heat exchanger 4. The heat exchanger 4 is composed of a water inlet manifold 18, a water inlet manifold 24, a water outlet manifold 21, a water outlet manifold 20, a connector 23, a motor shell 19 and radiating fins 22, cooling water pumped by the cooling water pump 3 enters the heat exchanger 4 through the water inlet manifold 18, the water inlet manifold 18 is divided into a plurality of water inlet manifolds 24, the water outlet manifold 21 is also divided into a plurality of water outlet manifolds 20, the radiating fins 22 are installed on the motor shell 19 of the propulsion motor 8, the water inlet manifolds 24 and the water outlet manifolds 20 are inserted into gaps of the radiating fins 22 and are connected through the connector 23, the cooling water can enter the heat exchanger 4 from the water inlet manifold 18, flow through the water inlet manifolds 24 and the water outlet manifolds 20, enter the water outlet manifold 21 and then flow out of the. The cooling water heated by the heat emitted by the propulsion motor 8 exits the heat exchanger 4 and exits the pod through the drain line 5.
The water temperature in the drainage pipeline 5 is detected by a drainage temperature sensor 7 in a control circuit, the temperature of a stator of a propulsion motor 8 is detected by a motor temperature sensor 9, temperature signals detected by the two temperature sensors are transmitted to a controller 10 through a signal line 6, the controller 10 is connected with a seawater valve 14, a seawater pump 12, a water tank inlet valve 16, a water tank outlet valve 2 and a cooling water pump 3 through a control signal line 11, and according to temperature data detected by the drainage temperature sensor 7 and the motor temperature sensor 9, the controller 10 outputs proper adjusting signals to adjust the opening degree of the water tank outlet valve 2 and the output power of the cooling water pump 3, so that the flow rate and the flow rate of cooling water in a cooling water channel are adjusted, and the cooling efficiency of a cooling system is controlled. When the water level in the water tank 1 is too high or too low, the water tank level sensor 17 sends a signal to the controller 10, the controller 10 sends a control signal to the seawater valve 14, the seawater pump 12 and the water tank inlet valve 16 through the control signal line 11, and the output power of the seawater pump 12 and the opening degrees of the seawater valve 14 and the water tank inlet valve 16 are adjusted, so that the water entering the water tank 1 is adjusted, and the water tank level 1 is maintained within an appropriate range.
The utility model discloses the theory of operation: seawater is pumped by a seawater pump 12, passes through a seawater valve 14, a seawater inlet pipeline 13, the seawater pump 12 and a seawater filter 15, and then enters a water tank 1, cooling water pumped by a cooling water pump 3 enters a heat exchanger 4 through a water inlet main pipe 18, the water inlet main pipe 18 is divided into a plurality of water inlet manifolds 24, a water outlet main pipe 21 is also divided into a plurality of water outlet manifolds 20, a motor shell 19 of a propulsion motor 8 is provided with heat dissipation fins 22, the water inlet manifolds 24 and the water outlet manifolds 20 are inserted into gaps of the heat dissipation fins 22 and connected through a connector 23, the cooling water can enter the heat exchanger 4 from the water inlet main pipe 18, flow through the water inlet manifolds 24 and the water outlet manifolds 20, enter the water outlet main pipe 21 and then. The cooling water heated by the heat emitted by the propulsion motor 8 exits the heat exchanger 4 and exits the pod through the drain line 5. When the output power of the propulsion motor 8 is increased, the heat productivity of the stator of the propulsion motor 8 is increased, the heat quantity of the cooling water emitted into the heat exchanger 4 is increased, the temperature of the water discharged from the water discharge pipeline 5 is increased, the temperature readings detected by the water discharge temperature sensor 7 and the motor temperature sensor 9 are increased, when the temperature data read by the controller 10 is higher than the set upper limit of the optimal working temperature range of the propulsion motor 8, the controller 10 sends signals to the cooling water pump 3 and the water outlet valve 2 of the water tank through the control signal line 11, so that the opening of the water outlet valve 2 of the water tank is increased, the rotating speed of the cooling water pump 3 is increased, thereby increasing the flow rate and flow velocity of the cooling water flowing in the heat exchanger 4, increasing the heat absorbed by the cooling water in the heat exchanger 4, increasing the heat dissipation speed of the propulsion motor 8, and reducing the temperature of the propulsion motor 8 until the temperature of the propulsion motor 8 is reduced below the upper limit of the optimal working temperature range. When the output power of the propulsion motor 8 is reduced, the heat productivity of the stator of the propulsion motor 8 is reduced, the heat quantity of the cooling water emitted into the heat exchanger 4 is reduced, the temperature of the water discharged from the water discharge pipeline 5 is reduced, the temperature readings detected by the water discharge temperature sensor 7 and the motor temperature sensor 9 are reduced, when the temperature data read by the controller 10 is lower than the set lower limit of the optimal working temperature range of the propulsion motor 8, the controller 10 sends signals to the cooling water pump 3 and the water tank outlet valve 2 through the control signal line 11, so that the opening of the water tank outlet valve 2 is increased and decreased, the rotating speed of the cooling water pump 3 is reduced, thereby reducing the flow rate and flow velocity of the cooling water flowing in the heat exchanger 4, reducing the heat absorbed by the cooling water in the heat exchanger 4, slowing down the heat dissipation speed of the propulsion motor 8, and raising the temperature of the propulsion motor 8 until the temperature of the propulsion motor 8 is reduced to above the upper limit of the optimal working temperature range. When the water level in the water tank 1 is too high or too low, the water tank level sensor 17 sends a signal to the controller 10, the controller 10 sends a control signal to the seawater valve 14, the seawater pump 12 and the water tank inlet valve 16 through the control signal line 11, and the output power of the seawater pump 12 and the opening degrees of the seawater valve 14 and the water tank inlet valve 16 are adjusted, so that the water entering the water tank 1 is adjusted, and the water level of the water tank 1 is maintained within an appropriate range.
Claims (3)
1. Open cooling system for nacelle propeller propulsion motor, characterized by: the seawater cooling device comprises a water tank, a seawater pump, a cooling water pump, a heat exchanger and a propulsion motor, wherein seawater is communicated with the seawater pump through a seawater valve, the seawater pump is sequentially connected with the water tank through a seawater filter and a water tank inlet valve, the water tank is connected with the cooling water pump through a water tank outlet valve, the cooling water pump is connected with the heat exchanger, the heat exchanger is arranged outside the propulsion motor, a controller is respectively connected with the seawater valve, the seawater pump, the water tank inlet valve, the water tank outlet valve and the cooling water pump, and the heat exchanger.
2. The open cooling system for pod propeller propulsion motors of claim 1, wherein: the propulsion motor comprises a motor shell as a stator, radiating fins are arranged outside the motor shell, the heat exchanger comprises a water inlet main pipe, water inlet manifolds, a water outlet main pipe and water outlet manifolds, the water inlet main pipe is communicated with the water inlet manifolds, the water outlet main pipe is communicated with the water outlet manifolds, each water inlet manifold is communicated with the corresponding water outlet manifold through a connector, and the water inlet manifolds and the water outlet manifolds are respectively inserted into gaps of the radiating fins.
3. The open cooling system for pod propeller propulsion motors according to claim 1 or 2, characterized by: the water tank is provided with a water tank level sensor, the propulsion motor is connected with a motor temperature sensor, the drainage pipeline is provided with a drainage temperature sensor, and the water tank level sensor, the motor temperature sensor and the water temperature sensor are all connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015338.9U CN210793600U (en) | 2019-07-02 | 2019-07-02 | Open cooling system applied to pod propeller propulsion motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921015338.9U CN210793600U (en) | 2019-07-02 | 2019-07-02 | Open cooling system applied to pod propeller propulsion motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210793600U true CN210793600U (en) | 2020-06-19 |
Family
ID=71247408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921015338.9U Withdrawn - After Issue CN210793600U (en) | 2019-07-02 | 2019-07-02 | Open cooling system applied to pod propeller propulsion motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210793600U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907681A (en) * | 2020-07-27 | 2020-11-10 | 湖南洣水游艇制造有限公司 | Dynamic rubber dinghy propeller structure |
| CN113823859A (en) * | 2021-08-28 | 2021-12-21 | 西北工业大学 | Underwater vehicle battery module cooling system capable of self-adapting to navigational speed |
-
2019
- 2019-07-02 CN CN201921015338.9U patent/CN210793600U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111907681A (en) * | 2020-07-27 | 2020-11-10 | 湖南洣水游艇制造有限公司 | Dynamic rubber dinghy propeller structure |
| CN113823859A (en) * | 2021-08-28 | 2021-12-21 | 西北工业大学 | Underwater vehicle battery module cooling system capable of self-adapting to navigational speed |
| CN113823859B (en) * | 2021-08-28 | 2024-02-02 | 西北工业大学 | Underwater vehicle battery module cooling system with self-adaptive navigational speed |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200619 Effective date of abandoning: 20210423 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200619 Effective date of abandoning: 20210423 |