CN111634405B - Modularization cabin cleanliness control system - Google Patents
Modularization cabin cleanliness control system Download PDFInfo
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- CN111634405B CN111634405B CN202010521853.5A CN202010521853A CN111634405B CN 111634405 B CN111634405 B CN 111634405B CN 202010521853 A CN202010521853 A CN 202010521853A CN 111634405 B CN111634405 B CN 111634405B
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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
- B63J2/04—Ventilation; Air-conditioning of living spaces
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Abstract
The invention provides a modular cabin cleanliness control system which is characterized by comprising a control module; a man-machine exchange module; n air conditioner air supply tail ends and M air conditioner air return tail ends which are arranged in the cabin; a purification air conditioning module; a cabin pressure difference adjusting module; and a cabin pressure difference detection module. The system provided by the invention has a compact structure, adopts a modular design, can be designed and adjusted according to the equipment arrangement space and the overall arrangement of the clean cabins, can realize independent refrigeration/heating or switch to central air-conditioning refrigeration/heating, meets the requirements of any season, is provided with a PLC (programmable logic controller) control system, can be set according to the cleanliness and positive pressure of the cabins, and can meet the requirements of different cleanliness and positive pressure of the cabins and the environmental control requirements of the cabins by automatically adjusting the purification air-conditioning module.
Description
Technical Field
The invention relates to a cabin cleanliness control system, and belongs to the field of ship manufacturing.
Background
In the field of ships, certain cabin cleanliness requirements need to be met in some special cabins such as operating rooms, general clean laboratories, chemical clean laboratories, biochemical laboratories and the like.
The central air-conditioning system of a common ship needs to serve the whole ship living place, and the effective environmental control cannot be realized for cabins with special cleanliness requirements. The purification air-conditioning system which can meet the requirement of the cabin cleanliness has high requirement, the air conditioner has special filtration requirement, and also has high filtration requirement on the tail end of the cabin, the cabin needs to meet certain ventilation times to reach corresponding clean grade, and meanwhile, the cabin positive pressure must be ensured to prevent external polluted gas from entering.
Different cabins have different cleanliness class requirements, such as: general clean laboratories generally require cleanliness requirements of one hundred thousand to ten thousand grades; the requirement of a chemical clean laboratory reaches the requirement of cleanliness of more than thousand grades; the biochemical laboratory requires that the cleanliness requirement reaches ten-thousand to thousand grades; operating rooms are required to reach the requirement of hundred grades of cleanliness in an operating area. The environmental requirements for cleanliness control are high for the particular cabin.
Disclosure of Invention
The purpose of the invention is: the environment control system is convenient to install and implement on a ship, is modularized, and can accurately control the cleanliness of the cabin, and different requirements can be met according to different cleanliness requirements of the set cabin.
In order to achieve the above object, the present invention provides a modular cabin cleanliness control system, comprising:
a control module;
the man-machine exchange module is connected with the control module, and a user sets the cleanliness grade of the cabin through the man-machine exchange module;
n air conditioner air supply tail ends and M air conditioner air return tail ends are arranged in the cabin, and N is more than or equal to 1,M is more than or equal to 1;
the air inlet of the purification air-conditioning module is communicated with M air-conditioning return air terminals and an external fresh air inlet, the air outlet of the purification air-conditioning module is communicated with N air-conditioning air supply terminals, external fresh air and air-conditioning return air are mixed in the purification air-conditioning module to form mixed fresh air, the mixed fresh air is filtered, refrigerated or heated in the purification air-conditioning module and then is sent to the N air-conditioning air supply terminals, and the control module controls the air quantity sent to the N air-conditioning air supply terminals by the purification air-conditioning module according to the cleanliness grade of a cabin set by a user;
the cabin pressure difference adjusting module is used for ensuring positive pressure in the cabin under the control of the control module;
and the cabin pressure difference detection module is used for feeding back a pressure difference signal to the control module, the control module adjusts air conditioner return air, external fresh air inlet air and air conditioner air supply of the purifying air conditioner module according to the received pressure difference signal, and meanwhile, the cabin pressure difference detection module is matched with the cabin pressure difference adjustment module to control the cabin pressure difference adjustment module, so that the cabin positive pressure meets the set positive pressure requirement of the cabin.
Preferably, each air supply end of the air conditioner is provided with a high-efficiency filter.
Preferably, the control module adopts a PLC control unit; the man-machine exchange module adopts a touch display screen; the cabin differential pressure detection module adopts a cabin differential pressure sensor; and the cabin pressure difference adjusting module adopts a residual pressure control valve.
Preferably, the purification air-conditioning module uses cold/hot water provided by an existing central air-conditioning system of the ship to refrigerate/heat the mixed fresh air.
Preferably, the system also comprises a water power module and a water source heat pump unit module which are used as a standby of the central air-conditioning cold/hot medium water system, wherein:
the hydraulic module is used for providing cold/hot medium water to the water source heat pump unit module and receiving the cold/hot medium water returned from the purification air-conditioning module;
the water source heat pump unit module utilizes the heat exchange medium to refrigerate/heat cold/hot medium water, and then provides the cold/hot medium water for the purification air-conditioning module to refrigerate/heat the mixed fresh air.
Preferably, the heat exchange medium is provided to the water source heat pump unit module through a heat exchange medium inlet, and the heat exchange medium after heat exchange from the water source heat pump unit module is recovered through a heat exchange medium outlet.
Preferably, the heat exchange medium is water.
Preferably, the hydro module is replenished with the cooling/heating medium water through a replenishment port.
Preferably, the hydraulic module comprises a cooling/heating medium water pump, an expansion tank and a drain valve, wherein:
the outlet of the cold/heat medium water pump is communicated with the water source heat pump unit module; and the inlet of the cold/hot medium water pump is communicated with the water replenishing port, receives the cold/hot medium water returning from the purification air-conditioning module and is communicated with the expansion tank, the expansion tank is communicated with the water replenishing port and receives the cold/hot medium water returning from the purification air-conditioning module, and when the pressure of the cold/hot medium water of the system is insufficient, the water is replenished by the water replenishing port.
Preferably, the purification air-conditioning module includes:
the fresh air/return air mixing section is used for mixing the external fresh air and the air-conditioning return air to form the mixed fresh air;
the G4-level coarse filtration section is used for carrying out G4-level coarse filtration on the mixed fresh air;
the F7-level medium-efficiency filtering section is used for carrying out F7-level medium-efficiency filtering on the mixed fresh air;
the refrigerating/heating section is used for refrigerating/heating the filtered mixed fresh air;
the humidifying section is used for humidifying the refrigerated/heated mixed fresh air;
and the variable-frequency fan section is used for sending the humidified mixed fresh air into the N air supply tail ends of the air conditioners according to a certain air volume under the control of the control module.
The invention provides an environment control system which is convenient for ship installation and implementation, is modularized and can accurately control the cleanliness of a cabin based on the environment control requirements of different cleannesses and positive pressures of ship cabins and the design experience of clean cabins with different cleanliness requirements such as a general clean laboratory, a chemical clean laboratory, a biochemical laboratory and the like of a multi-type comprehensive scientific research ship. The system provided by the invention consists of a water source heat pump unit module, a hydraulic module, a purification air-conditioning module, a cabin air return tail end and a PLC control unit.
The system provided by the invention has a compact structure, adopts a modular design, can be designed and adjusted according to the equipment arrangement space and the overall arrangement of the clean cabin, can realize independent refrigeration/heating or switch to central air-conditioning refrigeration/heating, meets the requirements of any season, is provided with a PLC control system, can be set according to the cleanliness and the positive pressure of the cabin, and can meet the requirements of different cleannesses and positive pressures of the cabin and the environmental control requirements of the cabin by automatically adjusting the purification air-conditioning module.
The invention has the beneficial effects that:
1) The modularized cabin cleanliness control system is designed, the system is designed in a modularized mode, the system is composed of a water source heat pump unit module, a hydraulic module, a purification air-conditioning module, a cabin air return end and a PLC control unit, and the pipeline is connected and installed conveniently. Corresponding modules can be selected or cancelled according to needs, such as a water source heat pump unit module and a hydraulic module can be cancelled without considering season switching and system standby, and a central air-conditioning cold/heat medium water system is directly adopted for refrigerating/heating.
2) The whole system is controlled by a PLC (programmable logic controller), is automatically adjusted, is simple to operate, and can set different cleanliness environment levels according to the use requirements of the cabin.
3) The system provided by the invention is an independent system and is very suitable for ships with tense arrangement space. The cleanliness of the cabin can be set to be hundreds, thousands, tens of thousands or hundreds of thousands according to the use requirement, so that the cabin is multipurpose, and is particularly important for ships with tight arrangement space.
Drawings
Fig. 1 is a schematic diagram of a system provided by the present invention, in which a symbol corresponding to a serial number 9 represents a Y-type filter, a symbol corresponding to a serial number 10 represents a stop valve, a symbol corresponding to a serial number 11 represents an electromagnetic valve for controlling automatic water replenishment, and a symbol corresponding to a serial number 12 represents an electric three-way valve;
FIG. 2 is a schematic view of the arrangement of the system provided by the present invention in a cabin;
FIG. 3 is a schematic view of a clean air conditioning module according to the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
As shown in fig. 1 and 2, the present invention provides a modular cabin cleanliness control system that can achieve different cleanliness requirements in the same cabin. The invention adopts modular design and composition, and comprises a water source heat pump unit module, a hydraulic module, a purification air-conditioning module, 4 air-conditioning air supply tail ends 1, 4 air-conditioning return air tail ends 2 and a PLC control unit.
4 terminal 1 of air conditioner air supply and 4 terminal 2 of air conditioner return air arrange in the cabin, and every air conditioner air supply is terminal 1 to be provided with high efficiency filter.
And a differential pressure sensor 3, a residual pressure control valve 4 and a touch liquid crystal display panel 5 for realizing human-computer interaction with the PLC control unit are also arranged in the cabin.
The user sets a required cleanliness level through the touch type liquid crystal display panel 5 according to environmental requirements of different cleannesses of the cabins. The PLC control unit adjusts the fresh air volume of the purification air-conditioning module which is sent into the cabin through the 4 air-conditioning air supply tail ends 1 according to the set cleanliness grade so as to meet the air volume requirement of the cabin under different cleanliness grades. Meanwhile, the differential pressure sensor 3 feeds back a differential pressure signal to the PLC control unit, and the PLC control unit adjusts the fresh air and the return air fed into the air conditioning module according to the differential pressure signal fed back (for example, adjusts by using an electric air valve) so as to increase the pressure of the cabin. The PLC control unit can also open the residual pressure control valve 4 according to the feedback differential pressure signal to release the pressure in the cabin. The pressure of the system provided by the invention reaches the preset positive pressure requirement. The positive pressure always keeps a constant value for the cabin with the cleanliness requirement in order to ensure that external polluted gas does not enter the cabin. The user can set the cabin positive pressure value through the touch type liquid crystal display panel 5, or the cabin positive pressure value can be preset in software operated by the PLC control unit.
In this embodiment, as shown in fig. 3, the clean air conditioning module includes a fresh/return air mixing section, a G4-grade coarse-filtering section, an F7-grade middle-efficiency filtering section, a refrigerating/heating section, a humidifying section, and a variable frequency fan section, wherein:
the new/return air mixing section is communicated with 4 air-conditioning return air terminals 2, and meanwhile, external fresh air is also sent into the new/return air mixing section. The return air of the air conditioner and the external fresh air are mixed in the fresh air/return air mixing section to form mixed fresh air.
And the G4-level coarse filtration section is used for carrying out G4-level coarse filtration on the mixed fresh air.
The F7-level medium-effect filtering section is used for performing F7-level medium-effect filtering on the mixed fresh air subjected to coarse-effect filtering.
The refrigerating/heating section is used for refrigerating/heating the mixed fresh air which is subjected to coarse filtration and medium-effect filtration. As shown in fig. 1, the system provided by the invention can be independent of other air conditioning systems, has two-way cooling/heating supply, and can be switched according to needs to meet the use requirements in any season.
When the existing central air-conditioning system of the ship is started in winter and summer, cold/hot medium water of the central air-conditioning system can be sent into a refrigerating/heating section to refrigerate/heat the mixed fresh air.
And when the central air-conditioning system is closed in spring and autumn, the water source heat pump unit module and the water power module can be started to refrigerate/heat the mixed fresh air. In this embodiment, the hydraulic module includes an expansion tank 6, a coolant pump 7, and a drain valve 8. The outlet of the refrigerant water pump 7 is communicated with the water source heat pump unit module. An inlet of the refrigerant water pump 7 is communicated with the water replenishing port, receives the cooling/heating medium water returned from the cooling/heating section and is communicated with the expansion tank 6. The expansion tank 6 is communicated with the water replenishing port and receives the cooling/heating medium water returning from the cooling/heating section. When the pressure of the cold/hot medium water of the system is insufficient, the water is supplemented by the water supplementing opening, the cold/hot medium water is provided for the water source heat pump unit module through the cold medium water pump 7, and the normal supply of the cold/hot medium water of the system is ensured. The drain valve 8 is used for cleaning and maintaining the system or draining water when the pressure is too high.
The water source heat pump unit module is communicated with the cooling water outlet and the cooling water inlet, and the cooling water is used for exchanging heat for the cold/hot medium water provided by the water power module and then is provided for the refrigerating/heating section of the purifying air-conditioning module so as to refrigerate/heat the mixed fresh air.
The central air conditioning system, the water source heat pump unit module and the water power module can be switched to operate at any time in any season, and the refrigeration/heating supply of the purification air conditioning module is guaranteed.
The humidifying section is used for humidifying the refrigerated/heated mixed fresh air.
The frequency conversion fan section sends the humidified mixed fresh air into 4 air conditioner air supply terminals according to a certain air volume under the control of the control module, and the air volume is adjusted through the frequency conversion fan section.
The system provided by the invention adopts a modular design, has a compact structure, can be arranged in a combined way or in a dispersed way, occupies a small area and is reliable to control. The invention can realize the control of various cleanliness of one cabin and meet different use requirements.
Claims (8)
1. A modular cabin cleanliness control system, wherein corresponding modules can be selected or eliminated as desired using a modular design, comprising:
a control module;
the man-machine exchange module is connected with the control module, and a user sets the cleanliness grade of the cabin through the man-machine exchange module;
n air conditioner air supply tail ends and M air conditioner air return tail ends are arranged in the cabin, and N is more than or equal to 1,M is more than or equal to 1;
the air inlet of the purification air-conditioning module is communicated with M air-conditioning return air terminals and an external fresh air inlet, the air outlet of the purification air-conditioning module is communicated with N air-conditioning air supply terminals, external fresh air and air-conditioning return air are mixed in the purification air-conditioning module to form mixed fresh air, the mixed fresh air is filtered, refrigerated or heated in the purification air-conditioning module and then is sent to the N air-conditioning air supply terminals, and the control module controls the air quantity sent to the N air-conditioning air supply terminals by the purification air-conditioning module according to the cleanliness grade of a cabin set by a user;
the purification air-conditioning module adopts cold/hot medium water provided by the existing central air-conditioning system of the ship to refrigerate/heat the mixed fresh air;
the cabin pressure difference adjusting module is used for ensuring positive pressure in the cabin under the control of the control module;
the cabin pressure difference detection module is used for feeding back a pressure difference signal to the control module, the control module adjusts air conditioner return air, external fresh air inlet air and air conditioner supply air of the purifying air conditioner module according to the received pressure difference signal, and meanwhile, the control module is matched with the control on the cabin pressure difference adjustment module, so that the pressure reaches the set positive pressure requirement of the cabin;
water conservancy module and water source heat pump unit module, as the reserve of central air conditioning cold/hot media water system, wherein:
the hydraulic module is used for providing cold/hot medium water to the water source heat pump unit module and receiving the cold/hot medium water returned from the purification air-conditioning module; the water source heat pump unit module utilizes a heat exchange medium to refrigerate/heat cold/hot medium water, and then provides the cold/hot medium water to the purification air-conditioning module so as to refrigerate/heat the mixed fresh air;
in winter and summer, when the existing central air-conditioning system of the ship is started, cold/hot medium water of the central air-conditioning system is sent to a refrigerating/heating section to refrigerate/heat the mixed fresh air; and in spring and autumn, when the existing central air-conditioning system of the ship is closed, the water source heat pump unit module and the water power module are started to refrigerate/heat the mixed fresh air.
2. The modular cabin cleanliness control system of claim 1, wherein each of said air conditioner supply air terminations has a high efficiency filter.
3. The modular cabin cleanliness control system of claim 1, wherein the control module employs a PLC control unit; the man-machine exchange module adopts a touch display screen; the cabin differential pressure detection module adopts a cabin differential pressure sensor; and the cabin pressure difference adjusting module adopts a residual pressure control valve.
4. The modular cabin cleanliness control system of claim 1, wherein the heat exchange medium is provided to the water source heat pump bank module via a heat exchange medium inlet, and wherein heat exchanged heat exchange medium from the water source heat pump bank module is recovered by a heat exchange medium outlet.
5. The modular cabin cleanliness control system of claim 4, wherein the heat exchange medium is water.
6. The modular cabin cleanliness control system of claim 1, wherein the cooling/heating medium water is provided to the hydro module through a water replenishment port.
7. The modular cabin cleanliness control system of claim 6, wherein the hydraulic module comprises a cooling/heating medium water pump, an expansion tank, and a drain valve, wherein:
the outlet of the cold/hot medium water pump is communicated with the water source heat pump unit module; and the inlet of the cold/hot medium water pump is communicated with the water replenishing port, receives cold/hot medium water returning from the purification air-conditioning module and is communicated with an expansion tank, the expansion tank is communicated with the water replenishing port and receives cold/hot medium water returning from the purification air-conditioning module, and when the pressure of the cold/hot medium water of the system is insufficient, the water is replenished through the water replenishing port.
8. The modular cabin cleanliness control system of claim 1, wherein the clean air conditioning module comprises:
the fresh air/return air mixing section is used for mixing the external fresh air and the air-conditioning return air to form the mixed fresh air;
the G4-level coarse filtration section is used for carrying out G4-level coarse filtration on the mixed fresh air;
the F7-level medium-efficiency filtering section is used for carrying out F7-level medium-efficiency filtering on the mixed fresh air;
the refrigerating/heating section is used for refrigerating/heating the filtered mixed fresh air;
the humidifying section is used for humidifying the refrigerated/heated mixed fresh air;
and the variable-frequency fan section is used for sending the humidified mixed fresh air into the N air supply tail ends of the air conditioners according to a certain air volume under the control of the control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010521853.5A CN111634405B (en) | 2020-06-10 | 2020-06-10 | Modularization cabin cleanliness control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010521853.5A CN111634405B (en) | 2020-06-10 | 2020-06-10 | Modularization cabin cleanliness control system |
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| CN111634405A CN111634405A (en) | 2020-09-08 |
| CN111634405B true CN111634405B (en) | 2022-10-14 |
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| CN112572749B (en) * | 2020-12-09 | 2021-08-31 | 江苏海洋大学 | Self-cleaning air purification and regulation system for personnel-intensive ship |
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| CN203928213U (en) * | 2014-04-25 | 2014-11-05 | 江苏兆胜空调有限公司 | A kind of multi partition purification air-conditioning unit peculiar to vessel |
| CN209229879U (en) * | 2018-08-30 | 2019-08-09 | 中盈绿能机电股份有限公司 | A kind of operating room energy-saving clean intelligent air-conditioning system |
| CN110701692B (en) * | 2019-10-23 | 2022-01-18 | 同济大学 | Air conditioning unit for large-bay operating room and control method thereof |
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