CN111846184A - Marine public area air conditioner and control method thereof - Google Patents

Marine public area air conditioner and control method thereof Download PDF

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Publication number
CN111846184A
CN111846184A CN202010777523.2A CN202010777523A CN111846184A CN 111846184 A CN111846184 A CN 111846184A CN 202010777523 A CN202010777523 A CN 202010777523A CN 111846184 A CN111846184 A CN 111846184A
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CN
China
Prior art keywords
air
public area
air conditioner
brake
sensor
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.)
Pending
Application number
CN202010777523.2A
Other languages
Chinese (zh)
Inventor
谢旭晨
张朝霞
刘芳
李嘉宁
于延玲
张堂德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Waigaoqiao Shipbuilding Co Ltd
Original Assignee
Shanghai Waigaoqiao Shipbuilding Co Ltd
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Filing date
Publication date
Application filed by Shanghai Waigaoqiao Shipbuilding Co Ltd filed Critical Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority to CN202010777523.2A priority Critical patent/CN111846184A/en
Publication of CN111846184A publication Critical patent/CN111846184A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/02—Ventilation; Air-conditioning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J2/00—Arrangements of ventilation, heating, cooling, or air-conditioning
    • B63J2/12—Heating; Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/70—Carbon dioxide

Abstract

The invention discloses a common area air conditioner for a ship and a control method thereof, wherein the common area air conditioner for the ship comprises the following components: the fresh air pipeline sequentially passes through the first air brake, the air feeder and the second air brake according to the flow sequence of fresh air; the exhaust pipeline sequentially passes through a third air gate, an exhaust fan and a fourth air gate according to the exhaust flow sequence; one end of the internal circulation air brake is connected between the first air brake and the air feeder, and the other end of the internal circulation air brake is connected between the third air brake and the exhaust fan; and the air conditioning part is positioned in the fresh air pipeline behind the air outlet of the air blower. In the invention, the marine public area air conditioner has the functions of a fresh air machine and an air conditioner, and is additionally provided with an internal circulation air brake, so that three pipeline loops of external circulation, semi-internal circulation and internal circulation are formed and respectively correspond to three working states; the control method can more conveniently and automatically switch the working mode according to the indoor environment, and can more accurately meet the environmental requirement through manual adjustment.

Description

Marine public area air conditioner and control method thereof
Technical Field
The invention relates to a marine public area air conditioner and a control method thereof.
Background
At present, the air conditioner used in a public area on a ship cannot realize quick refrigeration due to the addition of a fresh air system, and particularly for the public area on a large ship, such as a movie theater, the air conditioner is required to be opened in advance for long-time refrigeration before audiences enter a room, or the workload of the air conditioner is increased in a short time for strong refrigeration. The two methods have the problem of energy waste for ships. When the environment meets the high-temperature and high-humidity outside climate environment or the air in a wharf is polluted, the existing fresh air conditioner cannot start the internal circulation of the air conditioner, and the air quality in a ship is greatly influenced. In addition, most of the existing air conditioners are manually regulated and controlled, energy cannot be saved, manual operation by crews is required, the steps are complicated, and human resources are wasted.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects that the marine fresh air conditioner cannot realize quick refrigeration, cannot start the internal circulation of the air conditioner and cannot realize intelligent regulation in the prior art, and provide a marine public area air conditioner.
The invention solves the technical problems through the following technical scheme:
a marine public area air conditioner, characterized in that it includes:
the fresh air pipeline sequentially passes through the first air brake, the air feeder and the second air brake according to the flow sequence of fresh air;
the exhaust pipeline sequentially passes through a third air gate, an exhaust fan and a fourth air gate according to the exhaust flow sequence;
one end of the internal circulation air brake is connected between the first air brake and the blower, and the other end of the internal circulation air brake is connected between the third air brake and the exhaust fan;
and the air conditioning part is positioned in the fresh air pipeline behind the air outlet of the air blower.
In the scheme, the structure is adopted, so that the marine public area air conditioner has the functions of a fresh air machine and an air conditioner, and an internal circulation air brake is added, so that three pipeline loops of external circulation, semi-internal circulation and internal circulation are formed.
Preferably, the marine public area air conditioner further comprises:
a sensor portion including a carbon dioxide sensor, a temperature sensor, and a humidity sensor;
and the control part controls the air feeder and the exhaust fan to be opened or closed according to the data obtained by the sensor part, and switches the working state of the marine public area air conditioner.
In the scheme, the structure is adopted, so that the air conditioner for the marine public area can acquire the concentration, the temperature and the humidity of carbon dioxide in the public area, and then the control part is used for automatically adjusting.
Preferably, the new trend pipeline with still have the enthalpy between the exhaust duct and retrieve the runner, the enthalpy is retrieved the runner and is set up in the air exhauster with the negative pressure side of exhaust fan.
In this scheme, adopt above-mentioned structural style, make and to carry out more efficient heat exchange between exhaust duct and the new trend pipeline, reach the purpose of preheating or precooling new trend, the energy saving.
Preferably, the marine public area air conditioner further comprises an air filter, wherein the air filter comprises a fresh air filter and a return air filter, the fresh air filter is located between the enthalpy recovery rotating wheel and the first air brake, and the return air filter is located between the enthalpy recovery rotating wheel and the third air brake.
In this scheme, adopt above-mentioned structural style, not only make inside dust particle and the foreign matter of can not getting into of marine public area air conditioner has guaranteed the cleanness of new trend simultaneously.
Preferably, all the dampers are turned on or off by a motor controlled by the control part.
In this scheme, adopt above-mentioned structural style, make the control part can direct control air brake, need not operating personnel manual regulation air brake switch.
Preferably, marine public domain air conditioner has first operating condition, second operating condition and third operating condition, is in during first operating condition, the inner loop air brake is closed, first, second, third, fourth air brake are opened, the air exhauster with the forced draught blower is opened, is in during the second operating condition, the air exhauster with the fourth air brake is closed, first, second, third, inner loop air brake with the forced draught blower is opened, is in during the third operating condition, first, fourth air brake with the air exhauster is closed, second, third, inner loop air brake with the forced draught blower is opened.
In the scheme, the structure is adopted, so that three pipeline loops of the external circulation, the semi-internal circulation and the internal circulation of the marine public area air conditioner respectively correspond to three working states, and the switching among the working states is realized by opening or closing the air brake.
Preferably, the carbon dioxide sensor is provided on a wall of a ship room, the height from the ground is 1m-2m, and the temperature sensor and the humidity sensor are provided between the third air brake and the return air filter.
In this scheme, adopt above-mentioned structural style, the carbon dioxide concentration that guarantees the sensor and gather is close with the carbon dioxide concentration that personnel in the public domain perceived, and temperature and humidity are unified uses the air that gets into exhaust duct as the reference.
Preferably, when the concentration of the carbon dioxide collected by the sensor part is higher than a preset value, the control part switches the marine public area air conditioner to a first working state; when the concentration of the carbon dioxide collected by the sensor part is not higher than a preset value but the temperature is higher than the preset value, the control part switches the marine public area air conditioner to a second working state; when the concentration and the temperature of the carbon dioxide collected by the sensor part are not higher than the preset values but the humidity is higher than the preset values, the control part switches the air conditioner in the public area for the ship to a third working state.
When the concentration of the indoor carbon dioxide is too high, the controller switches the air conditioner of the marine public area to an external circulation pipeline so as to meet the requirement of quick air exchange;
when the indoor temperature is too high, the controller switches the marine public area air conditioner to a semi-external circulation mode so as to meet the requirements of fresh air and quick refrigeration at the same time;
when the indoor humidity is too high, the controller switches the marine public area air conditioner to the internal circulation so as to meet the requirements of air conditioning dehumidification, refrigeration and isolation of external humid air.
Preferably, the control part further comprises a control panel for selecting automatic switching or manual switching of the working state of the marine public area air conditioner.
In the scheme, by adopting the structural form, under special conditions, a worker can control the marine public area air conditioner through manual operation to switch the working state of the marine public area air conditioner.
Preferably, the manipulation panels are distributed in an operator's room and a common area, and the manipulation panels are connected to the control part.
In the scheme, the structure is adopted, so that both workers and personnel in public places can adjust the marine public area air conditioner, and when the workers and the personnel in the public places operate at the two places, the control part preferentially executes the operation of the workers.
A control method of a marine public area air conditioner is characterized by comprising the following steps:
the fresh air pipeline sequentially passes through the first air brake, the air feeder and the second air brake according to the flow sequence of fresh air;
the exhaust pipeline sequentially passes through a third air gate, an exhaust fan and a fourth air gate according to the exhaust flow sequence;
one end of the internal circulation air brake is connected between the first air brake and the blower, and the other end of the internal circulation air brake is connected between the third air brake and the exhaust fan;
and the air conditioning part is positioned in the fresh air pipeline behind the air outlet of the air blower.
The control method comprises the following steps:
s1, closing the internal circulation air brake, opening the first air brake, the second air brake, the third air brake and the fourth air brake, and opening the exhaust fan and the blower;
s2, closing the exhaust fan and the fourth air brake, and opening the first air brake, the second air brake, the third air brake, the internal circulation air brake and the blower;
s3, closing the first air brake, the fourth air brake and the exhaust fan, and opening the second air brake, the third air brake, the internal circulation air brake and the blower;
wherein, steps S1, S2, S3 can be switched with each other.
In the scheme, the method is adopted, so that the air conditioner in the public area for the ship can be switched among three working states of external circulation, semi-internal circulation and internal circulation.
Preferably, the air conditioner for the public area of the ship further comprises a control panel, a sensor part and a control part, wherein the sensor part comprises a carbon dioxide sensor, a temperature sensor and a humidity sensor, the control part controls the on/off of each component in the air conditioner for the public area of the ship according to data collected by the sensor part, the control panel is connected with the control part, and the control method further comprises the following steps:
s0, adjusting the control panel, and selecting the working state of the air conditioner in the public area for the ship to be automatically or manually controlled;
s01, signals are inputted from the manipulation panel, and the control part performs S1 or S2 or S3 according to the inputted signals, wherein the manipulation panel in the operator' S room has the highest priority;
s02, inputting signals by the sensor, and comparing the carbon dioxide concentration, the temperature and the humidity in the public area collected by the sensor part with preset values by the control part:
when the carbon dioxide concentration is higher than the preset value, S1 is performed;
when the carbon dioxide concentration is not higher than the preset value but the temperature is higher than the preset value, S2 is performed;
when neither the carbon dioxide concentration nor the temperature is higher than the preset value but the humidity is higher than the preset value, S3 is performed.
In the scheme, the steps are adopted, so that the working state of the marine public area air conditioner can be automatically switched according to the indoor environment, or the working state of the marine public area air conditioner can be manually switched.
The positive progress effects of the invention are as follows:
in the invention, the marine public area air conditioner has the functions of a fresh air machine and an air conditioner, and is additionally provided with an internal circulation air brake, three pipeline loops of external circulation, semi-internal circulation and internal circulation are formed and respectively correspond to three working states, the switching among the working states is realized by opening or closing the air brake, and the automatic control and energy conservation are realized by arranging a sensor part and an operation part; the control method can more conveniently and automatically switch the working mode according to the indoor environment, and can more accurately meet the environmental requirement through manual adjustment.
Drawings
Fig. 1 is a schematic view of a marine public area air conditioner according to a preferred embodiment of the present invention.
Fig. 2 is a flowchart illustrating a method for controlling a marine public area air conditioner according to a preferred embodiment of the present invention.
Description of reference numerals:
new wind pipeline 1
Exhaust duct 2
First damper 31
Second damper 32
Third damper 33
The fourth damper 34
Internal circulation air brake 35
Blower 41
Suction fan 42
Cooling coil 51
Heating coil 52
Enthalpy recovery wheel 6
Fresh air filter 71
Return air filter 72
Common area 8
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
As shown in fig. 1, the present embodiment provides a marine public area air conditioner, which includes a fresh air duct 1 and an exhaust air duct 2, sequentially passing through a first damper 31, a blower 41 and a second damper 32 in order of fresh air flow, and sequentially passing through a third damper 33, an exhaust fan 42 and a fourth damper 34 in order of exhaust air flow. The air conditioning part of the marine public area air conditioner is located behind the air outlet of the blower 41 and consists of a cooling coil 51 and a heating coil 52. The above parts act together to form an air conditioning loop, which is called as external circulation in this embodiment, fresh air enters from the fresh air pipeline 1, is cooled or heated by the air conditioning part, reaches the public area 8 in the cabin, and turbid air in the public area 8 is discharged from the exhaust pipeline 2 under the action of the exhaust fan 42. When the air conditioner for the marine public area works through external circulation, the air in the public area 8 can continuously come from the outside, and the air is kept fresh.
An internal circulation damper 35 is further provided between the fresh air duct 1 and the exhaust air duct 2, and one end thereof is connected between the first damper 31 and the blower 41, and the other end thereof is connected between the third damper 33 and the suction fan 42. When the first damper 31 and the fourth damper 34 are closed, the internal circulation damper 35 cooperates with a part of the external circulation duct and the blower 41 to form a loop, which is referred to as an internal circulation in this embodiment, and the pressure difference generated by the operation of the blower 41 draws out the air in the common area 8, passes through the air conditioning part, and then returns to the common area 8. When the marine public area air conditioner works through internal circulation, the air in the public area 8 can be isolated from the outside, and external pollutants or humid air are prevented from entering the public area 8.
In order to save energy, in the present embodiment, an enthalpy recovery runner 6 is provided on the negative pressure side of the blower 41 and the blower 42. When the air conditioner works, the temperature difference exists between the return air and the fresh air, and the blades of the enthalpy recovery rotating wheel 6 are firstly contacted with the return air and then contacted with the fresh air, so that the effect of preheating or precooling the fresh air is achieved. Therefore, the heat exchange efficiency can be improved, the working load of the air conditioner is reduced, and the energy is saved. Meanwhile, in order to protect the enthalpy recovery runner 6 from working normally, an air filter is arranged inside the air conditioner in the public area for the ship, in this embodiment, a fresh air filter 71 is arranged between the enthalpy recovery runner 6 and the first air brake 31, and a return air filter 72 is arranged between the enthalpy recovery runner 6 and the third air brake 33, so that the enthalpy recovery runner 6 can be protected from being influenced by pollutants such as dust and the like to operate normally.
In addition, when the first air brake 31 is opened and the fourth air brake 34 and the exhaust fan 42 are closed, an air conditioning loop is formed, which is called as a half internal circulation in the embodiment, when the marine public area air conditioner is in a half internal circulation working state, not only can part of fresh air enter the public area 8, but also part of air in the public area 8 can flow back.
For switching between the operating states of the marine public area air conditioner, the present embodiment provides the following two ways:
the first way is manual switching, and when the working state of the air conditioner for the public area of the ship is manually switched, the air conditioner further has a control part (not shown in the figure) and a plurality of control panels (not shown in the figure) which are distributed in the public area 8 and in the control rooms (not shown in the figure), wherein the control panels of the control rooms have the highest priority. When the condition that the manual adjustment is needed is met, the working mode of the air conditioner in the public area for the ship can be adjusted in the control room or the public area 8. After the signal is manually input, the control part of the marine public area air conditioner executes the instruction, and opens or closes the corresponding part to achieve the purpose of switching the working state;
the second mode is automatic switching, and when the working state of the air conditioner for the marine public area is automatically switched, the air conditioner has a sensor part (not shown in the figure) including a carbon dioxide sensor, a temperature sensor and a humidity sensor in addition to a control part and a plurality of control panels. In this embodiment, the air conditioner for the public area of the ship has a plurality of carbon dioxide sensors, which are disposed on the wall of the ship room, and the height from the ground is 1m to 2m, and the temperature sensor and the humidity sensor are disposed between the third air brake and the return air filter. When automatic adjustment is needed, an automatic adjustment mode is opened on the control panel, the control part opens the sensor part to collect data, and the following judgment is completed:
when the concentration of the carbon dioxide is higher than a preset value, switching to an external circulation working state to meet the requirement of air freshness;
when the concentration of the carbon dioxide is not higher than a preset value but the temperature is higher than the preset value, switching to a semi-internal circulation working state to meet the requirements of energy conservation and quick refrigeration;
when the concentration and the temperature of the carbon dioxide are not higher than the preset value but the humidity is higher than the preset value, the working state is switched to the internal circulation state, so that the requirement of reducing the air humidity or isolating the external pollution is met.
Among the two modes, the first mode is more suitable for accurately controlling the working state of the air conditioner or the condition that the working state of the air conditioner needs to be manually adjusted under special conditions, and the second mode is more suitable for the condition that the environmental change is difficult to sense or the human hand is tense and cannot be monitored and adjusted in real time. The two modes have advantages and disadvantages respectively, and the two modes can be switched through the control panel in the embodiment.
As shown in fig. 2, the present embodiment further provides a control method of the marine public area air conditioner, which includes the following steps:
s1, closing the internal circulation air brake, opening the first air brake, the second air brake, the third air brake and the fourth air brake, and opening the exhaust fan and the blower;
s2, closing the exhaust fan and the fourth air brake, and opening the first air brake, the second air brake, the third air brake, the internal circulation air brake and the blower;
and S3, closing the first air brake, the fourth air brake and the exhaust fan, and opening the second air brake, the third air brake, the internal circulation air brake and the blower.
In this embodiment, through the above three steps, switching of three working states of the marine public area air conditioner can be realized.
In this embodiment, before performing step S1, the method for controlling the air conditioner in the public area for a ship further includes the following steps:
s0, adjusting the control panel, and selecting the working state of the air conditioner in the public area for the ship to be automatically or manually controlled;
s01, signals are inputted from the manipulation panel, and the control part performs S1 or S2 or S3 according to the inputted signals, wherein the manipulation panel in the operator' S room has the highest priority;
s02, inputting signals by the sensor, and comparing the carbon dioxide concentration, the temperature and the humidity in the public area collected by the sensor part with preset values by the control part:
when the carbon dioxide concentration is higher than the preset value, S1 is performed;
when the carbon dioxide concentration is not higher than the preset value but the temperature is higher than the preset value, S2 is performed;
when neither the carbon dioxide concentration nor the temperature is higher than the preset value but the humidity is higher than the preset value, S3 is performed.
In this embodiment, the following functions can be realized by combining the above control methods:
firstly, an operator selects a working mode for manually or automatically adjusting the air conditioner in the public area of the ship on the control panel. When the ship air conditioner is manually adjusted, an operator controls each component of the ship public area air conditioner through the control panel and the control part to switch the working state of the components; when the automatic adjustment is performed, the control section makes the following judgment based on the data collected by the sensor section: when the concentration of the carbon dioxide is higher than the preset value, executing step S1, corresponding to an external circulation; when the concentration of the carbon dioxide is not higher than the preset value but the temperature is higher than the preset value, executing step S2, corresponding to a half of the internal cycle; when the carbon dioxide concentration and the temperature are not higher than the preset values but the humidity is higher than the preset values, step S3 is performed, corresponding to an inner loop.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (12)

1. A marine public area air conditioner, characterized in that it includes:
the fresh air pipeline sequentially passes through the first air brake, the air feeder and the second air brake according to the flow sequence of fresh air;
the exhaust pipeline sequentially passes through a third air gate, an exhaust fan and a fourth air gate according to the exhaust flow sequence;
one end of the internal circulation air brake is connected between the first air brake and the blower, and the other end of the internal circulation air brake is connected between the third air brake and the exhaust fan;
and the air conditioning part is positioned in the fresh air pipeline behind the air outlet of the air blower.
2. The marine public area air conditioner of claim 1, further comprising:
a sensor portion including a carbon dioxide sensor, a temperature sensor, and a humidity sensor;
and the control part controls the air feeder and the exhaust fan to be opened or closed according to the data obtained by the sensor part, and switches the working state of the marine public area air conditioner.
3. Marine public area air conditioner according to claim 2, characterized in that an enthalpy recovery wheel is further provided between the fresh air duct and the exhaust air duct, the enthalpy recovery wheel being provided on the suction side of the suction fan and the exhaust fan.
4. A marine public area air conditioner as set forth in claim 3 further comprising an air filter comprising a fresh air filter and a return air filter, said fresh air filter being positioned between said enthalpy recovery wheel and said first damper and said return air filter being positioned between said enthalpy recovery wheel and said third damper.
5. The marine public area air conditioner as claimed in claim 2, wherein all the dampers are turned on or off by a motor controlled by the control part.
6. Marine public area air conditioner according to claim 2, characterized in that it has a first operating state, a second operating state and a third operating state, in which said internal circulation damper is closed, said first, second, third and fourth dampers are open, said suction fan and said blower are open, in which said suction fan and said fourth damper are closed, in which said second operating state said first, second, third and internal circulation dampers and said blower are open, in which said third operating state said first, fourth dampers and said suction fan are closed, and in which said second, third and internal circulation dampers and said blower are open.
7. The marine public area air conditioner as claimed in claim 3, wherein the carbon dioxide sensor is plural, the carbon dioxide sensor is provided on a wall of a ship room at a height of 1m-2m from the ground, and the temperature sensor and the humidity sensor are provided between the third damper and the return air filter.
8. The marine public area air conditioner according to claim 7, wherein the control part switches the marine public area air conditioner to a first operation state when the concentration of carbon dioxide collected by the sensor part is higher than a preset value; when the concentration of the carbon dioxide collected by the sensor part is not higher than a preset value but the temperature is higher than the preset value, the control part switches the marine public area air conditioner to a second working state; when the concentration and the temperature of the carbon dioxide collected by the sensor part are not higher than the preset values but the humidity is higher than the preset values, the control part switches the air conditioner in the public area for the ship to a third working state.
9. The marine public area air conditioner of claim 2, wherein the control part further comprises a manipulation panel for selecting automatic switching or manual switching of an operation state of the marine public area air conditioner.
10. A marine public area air conditioner according to claim 9, wherein the manipulation panel is distributed in the operating room of the crew and the public area, and the manipulation panel is connected to the control part.
11. A control method of a marine public area air conditioner according to claim 1, comprising the steps of:
s1, closing the internal circulation air brake, opening the first air brake, the second air brake, the third air brake and the fourth air brake, and opening the exhaust fan and the blower;
s2, closing the exhaust fan and the fourth air brake, and opening the first air brake, the second air brake, the third air brake, the internal circulation air brake and the blower;
s3, closing the first air brake, the fourth air brake and the exhaust fan, and opening the second air brake, the third air brake, the internal circulation air brake and the blower;
wherein, steps S1, S2, S3 can be switched with each other.
12. The control method of a marine public area air conditioner according to claim 11, further comprising a control panel, a sensor part and a control part, wherein the sensor part includes a carbon dioxide sensor, a temperature sensor and a humidity sensor, the control part controls the on/off of each component of the marine public area air conditioner based on data collected by the sensor part, the control panel is connected to the control part, and the control method further comprises the steps of:
s0, adjusting the control panel, and selecting the working state of the air conditioner in the public area for the ship to be automatically or manually controlled;
s01, signals are inputted from the manipulation panel, and the control part performs S1 or S2 or S3 according to the inputted signals, wherein the manipulation panel in the operator' S room has the highest priority;
s02, inputting signals by the sensor, and comparing the carbon dioxide concentration, the temperature and the humidity in the public area collected by the sensor part with preset values by the control part:
when the carbon dioxide concentration is higher than the preset value, S1 is performed;
when the carbon dioxide concentration is not higher than the preset value but the temperature is higher than the preset value, S2 is performed;
when neither the carbon dioxide concentration nor the temperature is higher than the preset value but the humidity is higher than the preset value, S3 is performed.
CN202010777523.2A 2020-08-05 2020-08-05 Marine public area air conditioner and control method thereof Pending CN111846184A (en)

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