CN211076306U - Energy-saving ship cabin low-temperature fresh water cooling control device - Google Patents
Energy-saving ship cabin low-temperature fresh water cooling control device Download PDFInfo
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- CN211076306U CN211076306U CN201921263969.2U CN201921263969U CN211076306U CN 211076306 U CN211076306 U CN 211076306U CN 201921263969 U CN201921263969 U CN 201921263969U CN 211076306 U CN211076306 U CN 211076306U
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Abstract
The utility model discloses an energy-saving ship cabin low-temperature fresh water cooling control device, which comprises a seawater cooling pump, a seawater cooling pump starter, a cabin monitoring alarm device and a central cooler; the seawater inlet of the seawater cooling pump is connected to a low-level seawater tank and a high-level seawater tank arranged on the ship body, the seawater outlet of the seawater cooling pump is connected to the central cooler, and the central cooler discharges seawater out of the ship after heat exchange. The device controls the seawater cooling pump to be started through the seawater cooling pump starter, seawater in the seawater tank is sent into the central cooler to exchange heat with low-temperature cooling water so as to reduce the temperature of low-temperature fresh water, the low-temperature fresh water with the reduced temperature is sent out from the low-temperature fresh water outlet, and the heat-exchanged seawater is discharged to the outboard of the ship; the device can realize the automatic cooling process of low-temperature fresh water, does not need manual operation and control, and is very convenient and energy-saving.
Description
Technical Field
The utility model relates to a boats and ships water cooling technical equipment field, an energy-saving boats and ships cabin low temperature fresh water cooling controlling means specifically says so.
Background
The energy-saving marine engine room seawater cooling control system is rarely applied to the existing marine engine room seawater cooling system. Along with the increasingly fierce competition of the international shipping market, the demand of reducing shipping cost and obtaining more profits is more and more strong, the consumption of a ship system is reduced, the research and development for improving economy are more and more, fresh water cooling in a ship in the prior art is usually carried out through seawater cooling, but the energy consumption required by the prior art is more, high automatic control cannot be realized, the regulation and control cooling cannot be carried out according to the temperature required by low-temperature fresh water, different working condition requirements cannot be met, and resources are wasted.
The system is designed based on the existing marine engine room seawater cooling system and fully considers the fact that the temperatures of low-temperature fresh water under different working conditions are different, and is more energy-saving and better in economical efficiency than the traditional engine room seawater cooling control system.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an energy-saving type ship cabin low-temperature fresh water cooling control device aiming at the defects of the prior art; the technical scheme is as follows:
an energy-saving ship cabin low-temperature fresh water cooling control device comprises a seawater cooling pump, a seawater cooling pump starter, a cabin monitoring alarm device and a central cooler; the seawater inlet of the seawater cooling pump is connected to a low-level seawater tank and a high-level seawater tank arranged on the ship body, the seawater outlet of the seawater cooling pump is connected to the central cooler, and the central cooler discharges seawater out of the ship after heat exchange; the central cooler is also provided with a low-temperature fresh water inlet and a low-temperature fresh water outlet, the low-temperature fresh water entering the central cooler exchanges heat with seawater to achieve a cooling effect, the low-temperature fresh water inlet is also provided with a temperature sensor, the temperature sensor is connected with an engine room monitoring alarm device and can transmit a temperature signal to the engine room monitoring alarm device, the engine room monitoring alarm device is connected with a seawater cooling pump starter, and the seawater cooling pump starter is connected with the seawater cooling pump and can correspondingly control the seawater cooling pump to be started and closed.
Preferably, the seawater cooling pump is a variable-frequency pump body; the seawater cooling pump starter can control the on and off of the seawater cooling pump and correspondingly control the running frequency of the seawater cooling pump.
Preferably, the seawater cooling pumps are provided with three sets, and the corresponding seawater cooling pump starters are correspondingly provided with three sets; and a seawater cooling pump starter is correspondingly connected with a seawater cooling pump.
Preferably, the low-temperature fresh water entering at the low-temperature fresh water inlet is 36-46 degrees; the output signal of the temperature sensor is correspondingly set to be 4-20mA, and three temperature signals are set and respectively transmitted to three seawater cooling pump starters.
Preferably, pressure sensors are respectively arranged at the seawater inlet and the seawater outlet of the seawater cooling pump, the seawater inlet and the seawater outlet of the central cooler and the low-temperature fresh water inlet and the low-temperature fresh water outlet.
Preferably, valves are further installed at the seawater inlet and the seawater outlet of the seawater cooling pump, and valves are also installed at the seawater outlet of the central cooler.
Has the advantages that: the utility model discloses following beneficial effect has:
(1) the temperature sensor at the low-temperature fresh water inlet in the device can sense the temperature of low-temperature fresh water entering the central cooler, the temperature output signal is transmitted to the cabin monitoring alarm device, the seawater cooling pump starter controls the seawater cooling pump to be started, seawater in the seawater tank is sent into the central cooler to exchange heat with low-temperature cooling water so as to reduce the temperature of the low-temperature fresh water, the low-temperature fresh water with the reduced temperature is sent out from the low-temperature fresh water outlet, and the heat-exchanged seawater is discharged to the outboard of a ship; the device can realize the automatic cooling process of low-temperature fresh water, does not need manual operation and control, and is very convenient and energy-saving;
(2) the sea water cooling pump and the sea water cooling pump starter in the device are of variable frequency structures, the temperature of low-temperature fresh water which needs to be cooled is 36-46 degrees, the output signal of the temperature sensor is correspondingly set to be 4-20mA, according to the specific temperature value of the low-temperature fresh water which enters, the temperature sensor outputs a specific signal value, the sea water cooling pump starter controls the rotating speed of the variable frequency sea water cooling pump according to the specific signal value, the rotating speed of the sea water cooling pump is automatically adjusted, the sea water cooling pump cannot rotate at full speed all the time, energy waste is caused, meanwhile, the low speed cannot be too low, the cooling requirement cannot be met, and therefore the energy-saving effect is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing the structure of a temperature sensor;
FIG. 3 is a diagram of a pressure sensor configuration;
fig. 4 is a structure diagram of a starter of the seawater cooling pump.
Detailed Description
The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1 to 4, an energy-saving ship cabin low-temperature fresh water cooling control device comprises a seawater cooling pump 1, a seawater cooling pump starter 2, a cabin monitoring alarm device 3 and a central cooler 4; the sea water inlet of the sea water cooling pump 1 is connected to a low-level sea water tank 5 and a high-level sea water tank 6 arranged on a ship body, the sea water outlet of the sea water cooling pump 1 is connected to a central cooler 4, and the central cooler 4 discharges the sea water out of the ship after heat exchange; the central cooler 4 is also provided with a low-temperature fresh water inlet 7 and a low-temperature fresh water outlet 8, the low-temperature fresh water entering the central cooler 4 exchanges heat with seawater to achieve a cooling effect, the low-temperature fresh water inlet 8 is also provided with a temperature sensor 9, the temperature sensor 9 is connected with the cabin monitoring alarm device 3 and can transmit a temperature signal to the cabin monitoring alarm device 3, the cabin monitoring alarm device 3 is connected with the seawater cooling pump starter 2, the seawater cooling pump starter 2 is connected with the seawater cooling pump 1 and can correspondingly control the seawater cooling pump 1 to be opened and closed.
The seawater cooling pump 1 is a variable-frequency pump body; the seawater cooling pump starter 2 is internally and correspondingly provided with a frequency converter, and the seawater cooling pump starter 2 can not only control the opening and closing of the seawater cooling pump 1, but also correspondingly control the running frequency of the seawater cooling pump 1; the seawater cooling pump 1 is provided with three sets, and the corresponding seawater cooling pump starter 2 is correspondingly provided with three sets; a seawater cooling pump starter 2 is correspondingly connected with a seawater cooling pump 1.
The low-temperature fresh water entering from the low-temperature fresh water inlet 8 is 36-46 degrees; the output signal of the temperature sensor 9 is correspondingly set to be 4-20mA, and three temperature signals are set and respectively transmitted to the three seawater cooling pump starters 2.
Pressure sensors are arranged at the seawater inlet and outlet of the seawater cooling pump 1, the seawater inlet and outlet of the central cooler 4 and the low-temperature fresh water inlet and outlet; the seawater inlet and outlet of the seawater cooling pump 1 are also provided with valves 10, and the seawater outlet of the central cooler 4 is also provided with a valve 10.
The temperature sensor at the low-temperature fresh water inlet in the device can sense the temperature of low-temperature fresh water entering the central cooler, the temperature output signal is transmitted to the cabin monitoring alarm device, the seawater cooling pump starter controls the seawater cooling pump to be started, seawater in the seawater tank is sent into the central cooler to exchange heat with low-temperature cooling water so as to reduce the temperature of the low-temperature fresh water, the low-temperature fresh water with the reduced temperature is sent out from the low-temperature fresh water outlet, and the heat-exchanged seawater is discharged to the outboard of a ship; the device can realize the automatic cooling process of low-temperature fresh water, does not need manual operation and control, and is very convenient and energy-saving.
The sea water cooling pump and the sea water cooling pump starter in the device are of variable frequency structures, the temperature of low-temperature fresh water which needs to be cooled is 36-46 degrees, the output signal of the temperature sensor is correspondingly set to be 4-20mA, according to the specific temperature value of the low-temperature fresh water which enters, the temperature sensor outputs a specific signal value, the sea water cooling pump starter controls the rotating speed of the variable frequency sea water cooling pump according to the specific signal value, the rotating speed of the sea water cooling pump is automatically adjusted, the sea water cooling pump cannot rotate at full speed all the time, energy waste is caused, meanwhile, the low speed cannot be too low, the cooling requirement cannot be met, and therefore the energy-saving effect is achieved.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made according to the claims should be included in the scope of the present invention.
Claims (6)
1. An energy-saving ship cabin low-temperature fresh water cooling control device is characterized in that: the system comprises a seawater cooling pump (1), a seawater cooling pump starter (2), an engine room monitoring alarm device (3) and a central cooler (4); the seawater inlet of the seawater cooling pump (1) is connected to a low-level seawater tank (5) and a high-level seawater tank (6) arranged on the ship body, the seawater outlet of the seawater cooling pump (1) is connected to a central cooler (4), and the central cooler (4) discharges seawater out of the ship board after heat exchange; the central cooler (4) is also provided with a low-temperature fresh water inlet (7) and a low-temperature fresh water outlet (8), the low-temperature fresh water entering the central cooler (4) exchanges heat with seawater to achieve a cooling effect, the low-temperature fresh water inlet (7) is also provided with a temperature sensor (9), the temperature sensor (9) is connected with the cabin monitoring alarm device (3) and can transmit a temperature signal to the cabin monitoring alarm device (3), the cabin monitoring alarm device (3) is connected with the seawater cooling pump starter (2), the seawater cooling pump starter (2) is connected with the seawater cooling pump (1), and the seawater cooling pump (1) can be correspondingly controlled to be opened and closed.
2. The low-temperature fresh water cooling control device for the energy-saving ship cabin according to claim 1, wherein: the seawater cooling pump (1) is a variable-frequency pump body; the seawater cooling pump starter (2) is internally and correspondingly provided with a frequency converter, and the seawater cooling pump starter (2) can control the opening and closing of the seawater cooling pump (1) and correspondingly control the running frequency of the seawater cooling pump (1).
3. The low-temperature fresh water cooling control device for the energy-saving ship cabin according to claim 1, wherein: the seawater cooling pumps (1) are provided with three sets, and the corresponding seawater cooling pump starters (2) are correspondingly provided with three sets; a seawater cooling pump starter (2) is correspondingly connected with a seawater cooling pump (1).
4. The low-temperature fresh water cooling control device for the energy-saving ship cabin according to claim 3, wherein: the low-temperature fresh water entering from the low-temperature fresh water inlet (7) is 36-46 degrees; the output signal of the temperature sensor (9) is correspondingly set to be 4-20mA, and three temperature signals are set and respectively transmitted to three seawater cooling pump starters (2).
5. The low-temperature fresh water cooling control device for the energy-saving ship cabin according to claim 4, wherein: pressure sensors are arranged at the seawater inlet and outlet of the seawater cooling pump (1), the seawater inlet and outlet of the central cooler (4) and the low-temperature fresh water inlet and outlet.
6. The low-temperature fresh water cooling control device for the energy-saving ship cabin according to claim 1, wherein: the seawater cooling pump is characterized in that valves (10) are further mounted at the seawater inlet and the seawater outlet of the seawater cooling pump (1), and the valves (10) are also mounted at the seawater outlet of the central cooler (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921263969.2U CN211076306U (en) | 2019-08-06 | 2019-08-06 | Energy-saving ship cabin low-temperature fresh water cooling control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921263969.2U CN211076306U (en) | 2019-08-06 | 2019-08-06 | Energy-saving ship cabin low-temperature fresh water cooling control device |
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| CN211076306U true CN211076306U (en) | 2020-07-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572752A (en) * | 2020-11-27 | 2021-03-30 | 沪东中华造船(集团)有限公司 | Frequency conversion energy-saving method for marine seawater cooling pump |
| CN113104191A (en) * | 2021-05-13 | 2021-07-13 | 江南造船(集团)有限责任公司 | Marine generator set seawater cooling system |
| CN114132474A (en) * | 2021-11-26 | 2022-03-04 | 江苏海事职业技术学院 | Ship power cabin cooling system for cooling by seawater series flow |
-
2019
- 2019-08-06 CN CN201921263969.2U patent/CN211076306U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572752A (en) * | 2020-11-27 | 2021-03-30 | 沪东中华造船(集团)有限公司 | Frequency conversion energy-saving method for marine seawater cooling pump |
| CN113104191A (en) * | 2021-05-13 | 2021-07-13 | 江南造船(集团)有限责任公司 | Marine generator set seawater cooling system |
| CN114132474A (en) * | 2021-11-26 | 2022-03-04 | 江苏海事职业技术学院 | Ship power cabin cooling system for cooling by seawater series flow |
| CN114132474B (en) * | 2021-11-26 | 2023-10-10 | 江苏海事职业技术学院 | Ship power cabin cooling system for cooling by utilizing seawater serial flow |
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