CN113844615A - Ship frequency conversion energy-saving control system - Google Patents
Ship frequency conversion energy-saving control system Download PDFInfo
- Publication number
- CN113844615A CN113844615A CN202111150137.1A CN202111150137A CN113844615A CN 113844615 A CN113844615 A CN 113844615A CN 202111150137 A CN202111150137 A CN 202111150137A CN 113844615 A CN113844615 A CN 113844615A
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- fresh water
- seawater
- cabin
- cooler
- temperature sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B79/00—Monitoring properties or operating parameters of vessels in operation
- B63B79/10—Monitoring properties or operating parameters of vessels in operation using sensors, e.g. pressure sensors, strain gauges or accelerometers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of ship energy conservation, and discloses a ship frequency conversion energy-saving control system which comprises a frequency conversion main controller, and a seawater pump set, a fresh water pump set, an engine room fan, a cabin fan, a seawater pump frequency converter, a fresh water pump frequency converter, an engine room fan frequency converter, a cabin fan frequency converter, a seawater cooling system pipeline detector, a fresh water cooling system pipeline detector, an engine room ventilation detector and a cabin ventilation detector which are respectively connected with the frequency conversion main controller; the seawater pump set is connected with a seawater pump frequency converter, the fresh water pump set is connected with a fresh water pump frequency converter, the cabin fan is connected with a cabin fan frequency converter, and the cabin fan is connected with a cabin fan frequency converter. The invention can carry out accurate frequency conversion control on the seawater pump set, the fresh water pump set, the cabin fan and the cabin fan, can carry out accurate regulation and control according to the actual operation condition, not only effectively saves energy, but also greatly reduces the ship operation cost.
Description
Technical Field
The invention relates to the technical field of ship energy conservation, in particular to a ship frequency conversion energy-saving control system.
Background
With the rapid development of shipping industry, energy conservation and emission reduction become one of the important subjects of the shipping industry, and in a new shipbuilding project, the application of an energy-saving technology is more and more emphasized by a shipowner, and the shipowner puts higher requirements on the aspects of initial investment and operation cost of ships in a scheme design stage. In the sailing process of the ship, the constant-speed sea water pump, the constant-speed fresh water pump and the constant-speed fan run for a long time under the power exceeding the actual demand, so that the problem of high energy consumption is caused.
Disclosure of Invention
The invention aims to solve the problem of providing a ship frequency conversion energy-saving control system, which can carry out accurate frequency conversion control on a seawater pump set, a fresh water pump set, an engine room fan and a cabin fan, can carry out accurate regulation and control according to actual operation conditions, not only effectively saves energy, but also greatly reduces the ship operation cost.
In order to solve the technical problems, the invention provides a ship frequency conversion energy-saving control system, which comprises a frequency conversion main controller, and a seawater pump set, a fresh water pump set, a cabin fan, a seawater pump frequency converter, a fresh water pump frequency converter, a cabin fan frequency converter, a seawater cooling system pipeline detector, a fresh water cooling system pipeline detector, a cabin ventilation detector and a cabin ventilation detector which are respectively connected with the frequency conversion main controller;
the seawater pump set is connected with the seawater pump frequency converter, the fresh water pump set is connected with the fresh water pump frequency converter, the cabin fan is connected with the cabin fan frequency converter, and the cabin fan is connected with the cabin fan frequency converter;
the seawater cooling system pipeline detector comprises a first seawater pressure sensor, a second seawater pressure sensor, a first seawater temperature sensor and a second seawater temperature sensor, wherein the first seawater pressure sensor and the first seawater temperature sensor are arranged on a seawater input end merging port of the central cooler, and the second seawater pressure sensor and the second seawater temperature sensor are arranged on a seawater output end merging port of the central cooler;
the pipeline detector of the fresh water cooling system comprises a first fresh water pressure sensor, a second fresh water pressure sensor, a first fresh water temperature sensor and a second fresh water temperature sensor, wherein the first fresh water pressure sensor is arranged at an input end converging port of the fresh water pump set, the second fresh water pressure sensor is arranged at an output end converging port of the fresh water pump set, the first fresh water temperature sensor is arranged at a fresh water input end converging port of a central cooler, the second fresh water temperature sensor is arranged at a fresh water output end converging port of the central cooler, the fresh water output end converging port of the central cooler is connected with a first cooling branch pipe and a second cooling branch pipe, a first temperature control valve is arranged at the inlet end of the first cooling branch pipe, the first temperature control valve is set to be 10 ℃,
and a second temperature control valve is arranged at the inlet end of the second cooling branch pipe, and the set temperature of the second temperature control valve is 36 ℃.
As a preferable scheme of the present invention, an outlet end of the first cooling branch pipe is connected to a customer premises cooler, an outlet end of the second cooling branch pipe is provided with a host cylinder liner cooler, a host lubricating oil cooler, a host air cooler, and a generator cooler, which are respectively connected thereto, an outlet end of the host cylinder liner cooler is provided with a first cooler temperature sensor, an outlet end of the host lubricating oil cooler is provided with a second cooler temperature sensor, an outlet end of the host air cooler is provided with a third cooler temperature sensor, and an outlet end of the generator cooler is provided with a fourth cooler temperature sensor.
As a preferable scheme of the present invention, a third fresh water temperature sensor is disposed on the first cooling branch pipe, and a fourth fresh water temperature sensor is disposed on the second cooling branch pipe.
In a preferred embodiment of the present invention, the cabin ventilation detector includes a cabin temperature sensor and a cabin blower differential pressure sensor.
In a preferred embodiment of the present invention, the cabin ventilation detector includes a cabin temperature sensor and a cabin blower differential pressure sensor.
As a preferable scheme of the present invention, the seawater pump set comprises at least one working seawater pump and at least one standby seawater pump, and the working seawater pump and the standby seawater pump are both provided with automatic switching pressure switches.
As a preferable scheme of the invention, the fresh water pump group comprises at least one working fresh water pump and at least one standby fresh water pump, and the working fresh water pump and the standby fresh water pump are both provided with automatic switching pressure switches.
In a preferred embodiment of the present invention, two central coolers are provided.
Compared with the prior art, the ship frequency conversion energy-saving control system has the beneficial effects that:
the frequency conversion main controller collects seawater cooling system data, fresh water cooling system data, engine room ventilation data and engine room ventilation data through the seawater cooling system pipeline detector, the fresh water cooling system pipeline detector, the engine room ventilation detector and the engine room ventilation detector, and then feeds the collected data back to the corresponding frequency converter, so that the frequency converter can accurately control the frequency conversion of the controlled seawater pump set, the fresh water pump set, the engine room fan and the engine room fan, the accurate regulation and control can be performed according to the actual operation condition, energy is effectively saved, and the ship operation cost is greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of a ship variable-frequency energy-saving control system provided by the invention;
FIG. 2 is a piping diagram of a seawater cooling system provided by the present invention;
FIG. 3 is a piping diagram of the fresh water cooling system provided by the present invention;
in the figure, 1 is a frequency conversion main controller; 2 is a seawater pump set; 3 is a fresh water pump set; 4 is a cabin fan; 5 is a cabin fan; 6 is a seawater pump frequency converter; 7 is a fresh water pump frequency converter; 8 is a frequency converter of the engine room fan; 9 is a cabin fan frequency converter; 10 is a seawater cooling system pipeline detector; 101 is a first seawater pressure sensor; 102 is a second seawater pressure sensor; 103 is a first seawater temperature sensor; 104 is a second seawater temperature sensor; 105 is an automatic switching pressure switch; 11 is a fresh water cooling system pipeline detector; 111 is a first fresh water pressure sensor; 112 is a second fresh water pressure sensor; 113 is a first fresh water temperature sensor; 114 is a second fresh water temperature sensor; 115 is an automatic switching pressure switch; 12 is a cabin ventilation detector; 121 is a cabin temperature sensor; 122 is a cabin fan differential pressure sensor; 13 is a cabin ventilation detector; 131 is a cabin temperature sensor; 132 is a cabin blower differential pressure sensor; 14 is a central cooler; 141 is a first cooling branch; 142 is a first temperature control valve; 143 is a second cooling branch; 144 is a second thermostatic valve; 145 is a third fresh water temperature sensor; 146 is a fourth fresh water temperature sensor; a user side cooler 15; 161 is a main engine cylinder liner cooler; 162 is a main engine oil cooler; 163 is the host air cooler; 164 is a generator cooler; 165 is a first cooler temperature sensor; reference numeral 166 denotes a second cooler temperature sensor; reference numeral 167 denotes a third cooler temperature sensor; 168 is a fourth cooler temperature sensor; and 17 is a distribution board.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 to fig. 3, a ship frequency conversion energy-saving control system according to a preferred embodiment of the present invention includes a frequency conversion master controller 1, and a seawater pump set 2, a fresh water pump set 3, a cabin fan 4, a cabin fan 5, a seawater pump frequency converter 6, a fresh water pump frequency converter 7, a cabin fan frequency converter 8, a cabin fan frequency converter 9, a seawater cooling system pipeline detector 10, a fresh water cooling system pipeline detector 11, a cabin ventilation detector 12, and a cabin ventilation detector 13, which are respectively connected to the frequency conversion master controller 1; the above-mentioned devices are powered through the switchboard 17;
the seawater pump set 2 is used for conveying seawater in the ship seawater cooling system, and the seawater cooling system pipeline detector 10 is used for monitoring the temperature and pressure of the seawater cooled in the ship seawater cooling system pipeline; the fresh water pump group 3 is used for conveying fresh water in a ship fresh water cooling system, and the fresh water cooling system pipeline detector 11 is used for monitoring the temperature and pressure conditions of a fresh water cooling system pipeline; the cabin fan 4 is used for ventilation and air draft of a ship cabin, the cabin ventilation detector 12 comprises a cabin temperature sensor 121 and a cabin fan differential pressure sensor 122, and the cabin ventilation detector 12 is used for monitoring the temperature and the fan differential pressure of the cabin; the cabin fan 5 is used for ventilation and draft of the ship cabin, the cabin ventilation detector 13 comprises a cabin temperature sensor 131 and a cabin fan differential pressure sensor 132, and the cabin ventilation detector 13 is used for monitoring the temperature of the cabin and the fan differential pressure;
the seawater pump set 2 is connected with the seawater pump frequency converter 6, the fresh water pump set 3 is connected with the fresh water pump frequency converter 7, the cabin fan 4 is connected with the cabin fan frequency converter 8, and the cabin fan 5 is connected with the cabin fan frequency converter 9;
the seawater cooling system pipeline detector 10 comprises a first seawater pressure sensor 101, a second seawater pressure sensor 102, a first seawater temperature sensor 103 and a second seawater temperature sensor 104, wherein the first seawater pressure sensor 101 and the first seawater temperature sensor 103 are arranged on a seawater input end merging port of the central cooler 14, and the second seawater pressure sensor 102 and the second seawater temperature sensor 104 are arranged on a seawater output end merging port of the central cooler 14;
the fresh water cooling system pipeline detector 11 comprises a first fresh water pressure sensor 111, a second fresh water pressure sensor 112, a first fresh water temperature sensor 113 and a second fresh water temperature sensor 114, wherein the first fresh water pressure sensor 111 is arranged on the input end junction of the fresh water pump group 3, the second fresh water pressure sensor 112 is arranged on the output end junction of the fresh water pump group 3, the first fresh water temperature sensor 113 is arranged on the fresh water input end junction of the central cooler 14, the second fresh water temperature sensor 114 is arranged on the fresh water output end junction of the central cooler 14,
the fresh water output end of the central cooler 14 is connected with a first cooling branch pipe 141 and a second cooling branch pipe 143, specifically, the central cooler 14 is provided with two, the inlet end of the first cooling branch pipe 141 is provided with a first temperature control valve 142, the temperature of the first temperature control valve 142 is set to be 10 ℃, the inlet end of the second cooling branch pipe 143 is provided with a second temperature control valve 144, and the temperature of the second temperature control valve 144 is set to be 36 ℃, so that the temperature of the equipment cooler connected with the cooling branch pipes can be effectively adjusted according to the working temperatures of different equipment, and the reasonable utilization of resources can be effectively guaranteed.
Illustratively, the outlet end of the first cooling branch 141 is connected to the customer-side cooler 15, the outlet end of the second cooling branch 143 is provided with a host cylinder liner cooler 161, a host lubricating oil cooler 162, a host air cooler 163 and a generator cooler 164, the outlet end of the host cylinder liner cooler 161 is provided with a first cooler temperature sensor 165, the outlet end of the host lubricating oil cooler 162 is provided with a second cooler temperature sensor 166, the outlet end of the host air cooler 163 is provided with a third cooler temperature sensor 167, the outlet end of the generator cooler 164 is provided with a fourth cooler temperature sensor 168, the output end of the host lubricating oil cooler 162 is conveniently fed back to the frequency conversion master controller 1 through the cooler temperature sensors, and the frequency converter is adjusted to perform precise regulation and control according to the actual equipment cooler temperature, so as to reduce energy consumption.
Illustratively, a third fresh water temperature sensor 145 is arranged on the first cooling branch pipe 141, a fourth fresh water temperature sensor 146 is arranged on the second cooling branch pipe 143, the third fresh water temperature sensor 145 is set to 10 ℃, and the fourth fresh water temperature sensor 146 is set to 36 ℃, so that the outlet water temperature conditions of the first temperature control valve 142 and the second temperature control valve 144 can be monitored in real time, and when the first temperature control valve 142 and the second temperature control valve 144 are abnormal, the feedback can be timely carried out.
Illustratively, the seawater pump group 2 comprises at least one working seawater pump and at least one standby seawater pump, the working seawater pump and the standby seawater pump are both provided with an automatic switching pressure switch 105, the automatic switching pressure switch 105 is used for switching between the seawater pumps, when the working seawater pump fails, the standby seawater pump can be switched to be used immediately, and the normal operation of the whole seawater cooling system is ensured.
Illustratively, the fresh water pump group 3 comprises at least one working fresh water pump and at least one standby fresh water pump, the working fresh water pump and the standby fresh water pump are both provided with an automatic switching pressure switch 115, the automatic switching pressure switch 115 is used for switching between the fresh water pumps, when the working fresh water pump fails, the standby fresh water pump can be immediately switched to use, and the normal operation of the whole fresh water cooling system is ensured.
In summary, the frequency conversion master controller 1 in the present invention collects seawater cooling system data, fresh water cooling system data, cabin ventilation data, and cabin ventilation data through the seawater cooling system pipeline detector 10, the fresh water cooling system pipeline detector 11, the cabin ventilation detector 12, and the cabin ventilation detector 13, and then feeds back the collected data to the corresponding frequency converter, so as to realize accurate frequency conversion control of the frequency converter on the controlled seawater pump set 2, fresh water pump set 3, cabin fan 4, and cabin fan 5, and can perform accurate regulation and control according to actual operation conditions, thereby not only effectively saving energy, but also greatly reducing ship operation cost.
In summary, in the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. A ship frequency conversion energy-saving control system is characterized by comprising a frequency conversion main controller, and a seawater pump set, a fresh water pump set, a cabin fan, a seawater pump frequency converter, a fresh water pump frequency converter, a cabin fan frequency converter, a seawater cooling system pipeline detector, a fresh water cooling system pipeline detector, a cabin ventilation detector and a cabin ventilation detector which are respectively connected with the frequency conversion main controller;
the seawater pump set is connected with the seawater pump frequency converter, the fresh water pump set is connected with the fresh water pump frequency converter, the cabin fan is connected with the cabin fan frequency converter, and the cabin fan is connected with the cabin fan frequency converter;
the seawater cooling system pipeline detector comprises a first seawater pressure sensor, a second seawater pressure sensor, a first seawater temperature sensor and a second seawater temperature sensor, wherein the first seawater pressure sensor and the first seawater temperature sensor are arranged on a seawater input end merging port of the central cooler, and the second seawater pressure sensor and the second seawater temperature sensor are arranged on a seawater output end merging port of the central cooler;
the fresh water cooling system pipeline detector comprises a first fresh water pressure sensor, a second fresh water pressure sensor, a first fresh water temperature sensor and a second fresh water temperature sensor, wherein the first fresh water pressure sensor is arranged on an input end converging port of the fresh water pump set, the second fresh water pressure sensor is arranged on an output end converging port of the fresh water pump set, the first fresh water temperature sensor is arranged on a fresh water input end converging port of a central cooler, the second fresh water temperature sensor is arranged on a fresh water output end converging port of the central cooler, the fresh water output end converging port of the central cooler is connected with a first cooling branch pipe and a second cooling branch pipe, a first temperature control valve is arranged at the inlet end of the first cooling branch pipe, the setting temperature of the first temperature control valve is 10 ℃, and a second temperature control valve is arranged at the inlet end of the second cooling branch pipe, the set temperature of the second temperature control valve is 36 ℃.
2. The ship frequency-conversion energy-saving control system according to claim 1, wherein an outlet end of the first cooling branch pipe is connected with a user side cooler, an outlet end of the second cooling branch pipe is provided with a main engine cylinder sleeve cooler, a main engine lubricating oil cooler, a main engine air cooler and a generator cooler, which are respectively connected, an outlet end of the main engine cylinder sleeve cooler is provided with a first cooler temperature sensor, an outlet end of the main engine lubricating oil cooler is provided with a second cooler temperature sensor, an outlet end of the main engine air cooler is provided with a third cooler temperature sensor, and an outlet end of the generator cooler is provided with a fourth cooler temperature sensor.
3. The ship variable-frequency energy-saving control system according to claim 2, wherein a third fresh water temperature sensor is arranged on the first cooling branch pipe, and a fourth fresh water temperature sensor is arranged on the second cooling branch pipe.
4. The variable frequency energy-saving control system for ships according to claim 1, wherein the cabin ventilation detector comprises a cabin temperature sensor and a cabin fan differential pressure sensor.
5. The variable frequency energy saving control system of claim 1, wherein the cabin ventilation detector comprises a cabin temperature sensor and a cabin blower differential pressure sensor.
6. The ship variable-frequency energy-saving control system according to claim 1, wherein the seawater pump set comprises at least one working seawater pump and at least one standby seawater pump, and the working seawater pump and the standby seawater pump are both provided with automatic switching pressure switches.
7. The ship variable-frequency energy-saving control system according to claim 1, wherein the fresh water pump group comprises at least one working fresh water pump and at least one standby fresh water pump, and the working fresh water pump and the standby fresh water pump are both provided with automatic switching pressure switches.
8. The variable frequency energy-saving control system for ships according to claim 1, wherein there are two central coolers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111150137.1A CN113844615A (en) | 2021-09-29 | 2021-09-29 | Ship frequency conversion energy-saving control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111150137.1A CN113844615A (en) | 2021-09-29 | 2021-09-29 | Ship frequency conversion energy-saving control system |
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| CN113844615A true CN113844615A (en) | 2021-12-28 |
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| CN202111150137.1A Pending CN113844615A (en) | 2021-09-29 | 2021-09-29 | Ship frequency conversion energy-saving control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195986A (en) * | 2022-05-20 | 2022-10-18 | 江苏科技大学 | Cabin heat dissipation and ventilation system of hydrogen fuel cell ship |
| CN115195987A (en) * | 2022-06-29 | 2022-10-18 | 中船邮轮科技发展有限公司 | Passenger ship cabin ventilation system and passenger ship |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1760777A (en) * | 2005-11-03 | 2006-04-19 | 上海交通大学 | Central control system in signals chip for cooling shipping |
| US8934246B1 (en) * | 2013-01-04 | 2015-01-13 | James Nelson Keig | Modular motor control unit for marine use |
| CN106275358A (en) * | 2016-09-27 | 2017-01-04 | 上海斯达瑞船舶海洋工程服务有限公司 | A kind of salt water cooling system method for controlling frequency conversion peculiar to vessel and system |
| CN205955965U (en) * | 2016-08-30 | 2017-02-15 | 河南光彩电器有限公司 | Marine engine room fan and profit pump energy -saving control system |
| CN207742545U (en) * | 2017-11-30 | 2018-08-17 | 镇江赛尔尼柯自动化有限公司 | Ship centralization wind turbine and seawater energy conserving system |
| CN110764456A (en) * | 2019-11-14 | 2020-02-07 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Frequency conversion control system and method and electronic equipment |
-
2021
- 2021-09-29 CN CN202111150137.1A patent/CN113844615A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1760777A (en) * | 2005-11-03 | 2006-04-19 | 上海交通大学 | Central control system in signals chip for cooling shipping |
| US8934246B1 (en) * | 2013-01-04 | 2015-01-13 | James Nelson Keig | Modular motor control unit for marine use |
| CN205955965U (en) * | 2016-08-30 | 2017-02-15 | 河南光彩电器有限公司 | Marine engine room fan and profit pump energy -saving control system |
| CN106275358A (en) * | 2016-09-27 | 2017-01-04 | 上海斯达瑞船舶海洋工程服务有限公司 | A kind of salt water cooling system method for controlling frequency conversion peculiar to vessel and system |
| CN207742545U (en) * | 2017-11-30 | 2018-08-17 | 镇江赛尔尼柯自动化有限公司 | Ship centralization wind turbine and seawater energy conserving system |
| CN110764456A (en) * | 2019-11-14 | 2020-02-07 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Frequency conversion control system and method and electronic equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115195986A (en) * | 2022-05-20 | 2022-10-18 | 江苏科技大学 | Cabin heat dissipation and ventilation system of hydrogen fuel cell ship |
| CN115195986B (en) * | 2022-05-20 | 2023-12-22 | 江苏科技大学 | Cabin heat dissipation and ventilation system of hydrogen fuel cell ship |
| CN115195987A (en) * | 2022-06-29 | 2022-10-18 | 中船邮轮科技发展有限公司 | Passenger ship cabin ventilation system and passenger ship |
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