CN115384750A - Control method of explosion-proof air conditioning system for ships - Google Patents
Control method of explosion-proof air conditioning system for ships Download PDFInfo
- Publication number
- CN115384750A CN115384750A CN202211318345.2A CN202211318345A CN115384750A CN 115384750 A CN115384750 A CN 115384750A CN 202211318345 A CN202211318345 A CN 202211318345A CN 115384750 A CN115384750 A CN 115384750A
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- air
- fresh air
- temperature
- 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
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000009423 ventilation Methods 0.000 claims abstract description 10
- 238000005485 electric heating Methods 0.000 claims description 43
- 230000001105 regulatory effect Effects 0.000 claims description 33
- 238000005057 refrigeration Methods 0.000 claims description 20
- 239000003507 refrigerant Substances 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 230000003068 static effect Effects 0.000 claims description 13
- 238000007791 dehumidification Methods 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 238000004880 explosion Methods 0.000 description 6
- 108010066057 cabin-1 Proteins 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to a control method of an explosion-proof air conditioning system for ships, which comprises an explosion-proof electric control box, an air conditioning box, a fresh air box and an air exhaust box, wherein the explosion-proof electric control box is connected with the air conditioning box, the air conditioning box is respectively connected with a plurality of explosion-proof cabins through a plurality of air supply pipelines, the fresh air box and the air exhaust box are also connected to each explosion-proof cabin, three working conditions of closed circulation, ventilation and mixed air supply are adopted, the closed circulation working condition meets the explosion-proof use requirement of closed temperature and humidity control under the condition of no fresh air, the temperature and humidity control explosion-proof use requirements of the fresh air in different cabins under the ventilation and air exchange working conditions are combined with the unified temperature and humidity control of return air, the independent fresh air temperature and humidity control of each cabin is added, the different explosion-proof requirements of the mixed air supply to each cabin are met, and the control has higher applicability.
Description
Technical Field
The invention relates to an explosion-proof air conditioning technology, in particular to a control method of an explosion-proof air conditioning system for ships.
Background
With the continuous development of shipbuilding industry, various ships are put into use in succession, the requirement on ship explosion-proof areas is higher and higher, and the requirement of cooling is not limited to only. Storage of materials for many specific purposes, use of electrical appliances in an electrical cabin, and personnel stay in the cabin require environments with certain temperature and humidity to ensure safe use of the cabin for refrigeration, heating and explosion prevention. The existing explosion-proof air conditioning system has the defects that return air and fresh air are supplied integrally through refrigeration and heating, and a plurality of different explosion-proof cabins are supplied after the fresh air and the temperature and humidity control of the return air are integrally mixed, so that the explosion-proof cabins with different requirements cannot be controlled independently, and the use limitation is caused.
Disclosure of Invention
The invention provides a control method of an explosion-proof air-conditioning system for ships, which can meet the explosion-proof requirements of fresh air, air exhaust and closed return air conditioners in different explosion-proof cabins.
The technical scheme adopted by the invention is as follows: a control method of an explosion-proof air conditioning system for ships is characterized by comprising the following steps: air conditioning system includes explosion-proof electric cabinet, air-conditioning box, new bellows, row's bellows, and explosion-proof electric cabinet connects the air-conditioning box, and the air-conditioning box connects a plurality of explosion-proof cabins, its characterized in that respectively through a plurality of supply-air duct: each explosion-proof cabin is also connected with a fresh air box and an exhaust box, a fresh air explosion-proof fan is arranged in the fresh air box, the fresh air explosion-proof fan is connected with a fresh air processing cavity through a fresh air explosion-proof air adjusting door, and a fresh air filter, a fresh air surface cooler, a fresh air humidifier and fresh air explosion-proof electric heating are sequentially arranged in the fresh air processing cavity; the exhaust box is connected with the exhaust explosion-proof fan through the exhaust explosion-proof air adjusting door and then is externally connected with the atmosphere; the air conditioner is characterized in that a return air box is arranged in the air conditioner box and is connected with an explosion-proof cabin through a return air anti-explosion air adjusting door by a return air pipeline, a return air anti-explosion temperature and humidity sensor is arranged in the return air box, the return air box sequentially passes through a return air filter, a return air surface cooler, a return air humidifier, a return air anti-explosion electric heater and a return air anti-explosion fan and is connected with an air supply static pressure box, a return air supply anti-explosion temperature and humidity sensor is arranged in the air supply static pressure box, and the air supply static pressure box is connected with the explosion-proof cabin through an air supply pipeline;
the operation of the device adopts two working conditions of closed circulation, ventilation and mixed air supply;
the control method of the closed cycle working condition comprises the following steps: the exhaust explosion-proof fan stops running, the exhaust explosion-proof air regulating valve is closed, the fresh air explosion-proof fan stops running, and the fresh air explosion-proof air regulating valve is closed; the return air explosion-proof fan operates, and the return air explosion-proof air adjusting door is opened; when the temperature of the explosion-proof cabin is higher than a set upper limit value, the explosion-proof flow regulating valve is opened, and the explosion-proof flow sensor and the refrigerant water inlet and outlet temperature sensor monitor that the return air surface cooler enters a refrigeration cycle; when the temperature of the explosion-proof cabin is lower than the lower limit value, the return air explosion-proof electric heating is started to carry out heating circulation; when the humidity of the explosion-proof cabin is higher than the upper limit value, the return air surface cooler enters a dehumidification working condition and performs refrigeration operation; if the temperature of the explosion-proof cabin is lower than the set lower limit value, the explosion-proof electric heating works simultaneously; when the humidity of the explosion-proof cabin is lower than the lower limit value, the humidification working condition is entered, the return air humidifier is opened to operate, and if the temperature is lower than the set lower limit value, the return air explosion-proof electric heating works at the same time; finally, a return air and supply air explosion-proof temperature and humidity sensor is monitored in the air supply static pressure box, and the temperature and humidity sent into the explosion-proof cabin are ensured to meet the explosion-proof requirement;
the control method of the ventilation working condition comprises the following steps: the fresh air explosion-proof fan operates, and the exhaust explosion-proof fan operates; meanwhile, the fresh air explosion-proof air regulating door and the exhaust explosion-proof air regulating door are opened or closed according to a set opening degree; when the temperature of the explosion-proof cabin is higher than a set value, the refrigeration cycle of the fresh air surface cooler is started, and when the temperature of the explosion-proof cabin is lower than the set value, the fresh air explosion-proof electric heater is started to ensure that the temperature of the explosion-proof cabin is within a set range; when the humidity of the explosion-proof cabin is higher than the upper limit value, the fresh air surface cooler enters a dehumidification working condition and performs refrigeration operation; if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating works simultaneously; when the humidity of the explosion-proof cabin is lower than the lower limit value, the fresh air humidifier enters a humidifying working condition to operate, and if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating works simultaneously;
the control method of the mixed air supply working condition comprises the following steps: the fresh air explosion-proof fan operates, the return air explosion-proof fan operates, and the exhaust air explosion-proof fan operates; meanwhile, the fresh air explosion-proof air regulating door, the return air explosion-proof air regulating door and the exhaust air explosion-proof air regulating door are opened or closed according to a set opening degree; when the temperature of the explosion-proof cabin is higher than a set value, monitoring according to an oxygen concentration sensor in the explosion-proof cabin, regulating and controlling the opening degrees of a fresh air explosion-proof air adjusting door and a return air explosion-proof air adjusting door, and starting the refrigeration cycle of a fresh air surface cooler and a return air surface cooler, and monitoring a fresh air temperature and humidity sensor, wherein if the temperature of fresh air is higher than the set value, the fresh air surface cooler is started, and if the temperature of fresh air is lower than the set value, only the return air surface cooler is started; when the temperature of the explosion-proof cabin is lower than a set value, the fresh air explosion-proof electric heater and the return air explosion-proof electric heater are started, the fresh air temperature and humidity sensor is monitored, if the temperature of fresh air is lower than the set value, the two heaters are simultaneously started, if the temperature of fresh air is higher than the set value, only the return air explosion-proof electric heating is started, and the temperature of the explosion-proof cabin is ensured to be within a set range; when the humidity of the explosion-proof cabin is higher than an upper limit value, the fresh air surface cooler and the return air surface cooler enter a dehumidification working condition, refrigeration operation is carried out, and a fresh air temperature and humidity sensor is monitored, wherein if the humidity of the fresh air is higher than the upper limit value, the fresh air surface cooler does not carry out dehumidification operation; if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating and the return air explosion-proof electric heating work simultaneously; when the humidity of the explosion-proof cabin is lower than the lower limit value, the fresh air humidifier and the return air humidifier enter a humidifying working condition to operate, the fresh air temperature and humidity sensor is monitored, if the humidity of the fresh air is higher than the lower limit value, the fresh air humidifier does not operate, and if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating and the return air explosion-proof electric heating work simultaneously.
The fresh air surface cooler and the return air surface cooler are connected with a refrigerant water supply system through an explosion-proof flow sensor and an explosion-proof flow regulating valve, and refrigerant water supply pipelines of the refrigerant water supply system are connected with refrigerant water inlet and outlet temperature sensors.
And the two ends of the fresh air filter and the return air filter are respectively provided with a differential pressure sensor.
The fresh air explosion-proof air adjusting door, the exhaust air explosion-proof air adjusting door and the return air explosion-proof air adjusting door adopt pneumatic explosion-proof air valves.
The pneumatic explosion-proof air valve is a copper rod copper core explosion-proof valve.
The fresh air explosion-proof electric heating and the return air explosion-proof electric heating are copper pipe electric heating.
Adopt above-mentioned technical scheme, the beneficial effect of this application is:
1. different cabins adopt an air conditioning box to intensively supply return air for filtering, surface cooling treatment and heating treatment, and the temperature and humidity of the return air inlet and the return air inlet are controlled; the fresh air box is matched with the fresh air boxes and the air exhaust boxes which are respectively arranged in different cabins, the fresh air boxes supply fresh air for filtering, surface cooling treatment and heating treatment, the air exhaust boxes are directly discharged, the temperature and humidity of the fresh air is controlled, the temperature and the humidity of the fresh air are independently adjusted in different cabins, and the high-precision explosion-proof requirements of different cabins are met.
2. Adopt three kinds of operating modes of closed circulation, ventilation and mixed air feed, the explosion-proof operation requirement of closed temperature and humidity control under the closed circulation operating mode satisfies the new trend of need not, the explosion-proof operation requirement of temperature and humidity control of the full new trend in different cabins of ventilation operating mode, mixed air feed operating mode then combines the unified temperature and humidity control of return air, in addition the solitary new trend temperature and humidity control in each cabin, the different explosion-proof requirements in each cabin of mixed supply have higher suitability.
Drawings
FIG. 1 is a block diagram of the system of the present invention.
In the figure: the air conditioner comprises an explosion-proof cabin 1, a return air pipeline 2, an air conditioner box 3, a return air explosion-proof air regulating door 4, a return air box 5, a return air explosion-proof temperature and humidity sensor 6, a return air filter 7, a pressure difference sensor 8, a return air surface cooler 9, an explosion-proof flow sensor 10, an explosion-proof flow regulating valve 11, a refrigerant water supply system 12, a refrigerant water inlet temperature sensor 13, a refrigerant water outlet temperature sensor 14, a return air humidifier 15, a return air explosion-proof electric heating 16, a return air explosion-proof fan 17, an air supply static pressure box 18, an air supply pipeline 19, a fresh air box 20, a fresh air explosion-proof fan 21, a fresh air explosion-proof air regulating door 22, a fresh air filter 23, a fresh air surface cooler 24, a fresh air humidifier 25, a fresh air explosion-proof electric heating 26, an air exhaust box 27, an exhaust explosion-proof air regulating door 28, an exhaust explosion-proof fan 29, an explosion-proof electric control box 30, a return air supply explosion-proof temperature and humidity sensor 31, an in-cabin temperature and humidity sensor 32, a fresh air temperature and humidity sensor 33 and humidity sensor 34 and an explosion-proof temperature and humidity sensor 34.
Detailed Description
The present application is further described below with reference to the accompanying drawings.
FIG. 1 shows: the utility model provides a naval vessel is with explosion-proof air conditioning system, this system is applied to the different explosion-proof requirements of a plurality of different explosion-proof cabins and uses, all establish under-deck temperature and humidity sensor 32 in every cabin, adopt an air-conditioning box 3, establish in the air-conditioning box 3 and connect a plurality of explosion-proof cabins 1 respectively by the explosion-proof air regulation door of return air 4 through a plurality of different return air pipelines 2, establish the explosion-proof temperature and humidity sensor 6 of return air in the return air box 5, return air box 5 is in proper order through return air filter 7, return air meter cooler 9, return air humidifier 15, the explosion-proof electrical heating of return air 16, the explosion-proof fan 17 of return air connects air static pressure case 18, establish the explosion-proof temperature and humidity sensor 31 of return air supply air in the air static pressure case 18, supply air static pressure case 18 connects explosion-proof cabin 1 through supply pipeline 19.
Each explosion-proof cabin 1 is provided with a fresh air box 20 and an exhaust box 27, a fresh air explosion-proof fan 21 is arranged in the fresh air box 20, the fresh air explosion-proof fan is connected with a fresh air processing cavity through a fresh air explosion-proof air adjusting door 22, a fresh air filter 23, a fresh air surface cooler 24, a fresh air humidifier 25 and a fresh air explosion-proof electric heater 26 are sequentially arranged in the fresh air processing cavity and then sent into the explosion-proof cabin, the fresh air explosion-proof air adjusting door 22 is connected with the fresh air processing cavity through a fresh air explosion-proof air adjusting door 22 of a fresh air temperature and humidity sensor 33, and the fresh air processing cavity is connected with the explosion-proof cabin through a fresh air supply explosion-proof temperature and humidity sensor 34; the exhaust box 27 is connected with an exhaust explosion-proof fan 29 through an exhaust explosion-proof air adjusting door 28 and then externally connected with the atmosphere for exhaust.
The explosion-proof electric control box 30 comprises a master control box and independent control boxes in different explosion-proof cabins, and the master control and the independent control belong to the prior art.
In this embodiment, the fresh air surface cooler and the return air surface cooler are connected to a refrigerant water supply system 12 through an explosion-proof flow sensor 10 and an explosion-proof flow control valve 11, and a refrigerant water supply pipeline of the refrigerant water supply system 12 is connected to refrigerant water inlet and outlet temperature sensors 13 and 14 for individually controlling the refrigerating capacity of each surface cooler.
In this embodiment, the both ends of new trend filter, return air filter all set up pressure differential sensor 8 for the use condition of control filter is convenient for in time change.
In this embodiment, the fresh air explosion-proof air regulating door, the exhaust air explosion-proof air regulating door and the return air explosion-proof air regulating door adopt pneumatic explosion-proof air valves.
On the basis of the embodiment, the pneumatic explosion-proof air valve is preferably a copper rod copper core explosion-proof valve. The fresh air explosion-proof electric heating and the return air explosion-proof electric heating are preferably copper pipe electric heating.
A control method of an explosion-proof air conditioning system for ships, the air conditioning system can run two working conditions of closed circulation, ventilation and mixed air supply;
(1) The control method of the closed cycle working condition comprises the following steps: the operation of the air exhaust explosion-proof air conditioning fan is stopped, the air exhaust explosion-proof air conditioning door is closed, the operation of the fresh air explosion-proof air conditioning fan is stopped, and the fresh air explosion-proof air conditioning door is closed; the return air explosion-proof fan operates, and the return air explosion-proof air adjusting door is opened; when the temperature of the explosion-proof cabin is higher than a set upper limit value, the explosion-proof flow regulating valve is opened, and the explosion-proof flow sensor and the refrigerant water inlet and outlet temperature sensor monitor that the return air surface cooler enters a refrigeration cycle; when the temperature of the explosion-proof cabin is lower than the lower limit value, the return air explosion-proof electric heating is started to perform heating circulation; when the humidity of the explosion-proof cabin is higher than the upper limit value, the return air surface cooler enters a dehumidification working condition, and the refrigeration operation is carried out; if the temperature of the explosion-proof cabin is lower than the set lower limit value, the explosion-proof electric heating works simultaneously; when the humidity of the explosion-proof cabin is lower than the lower limit value, the humidification working condition is entered, the return air humidifier is opened to operate, and if the temperature is lower than the set lower limit value, the return air explosion-proof electric heating works at the same time; finally, a return air and supply air explosion-proof temperature and humidity sensor is monitored in the air supply static pressure box, and the temperature and humidity sent into the explosion-proof cabin are ensured to meet the explosion-proof requirement;
(2) The control method of the ventilation working condition comprises the following steps: the fresh air explosion-proof fan operates, and the exhaust explosion-proof fan operates; meanwhile, the fresh air explosion-proof air regulating door and the exhaust explosion-proof air regulating door are opened or closed according to a set opening degree; when the temperature of the explosion-proof cabin is higher than a set value, the refrigeration cycle of the fresh air surface cooler is started, and when the temperature of the explosion-proof cabin is lower than the set value, the fresh air explosion-proof electric heater is started to ensure that the temperature of the explosion-proof cabin is within a set range; when the humidity of the explosion-proof cabin is higher than the upper limit value, the fresh air surface cooler enters a dehumidification working condition and performs refrigeration operation; if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating works simultaneously; when the humidity of the explosion-proof cabin is lower than the lower limit value, the fresh air humidifier enters a humidifying working condition to operate, and if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating works simultaneously;
(3) The control method of the mixed air supply working condition comprises the following steps: the fresh air explosion-proof fan operates, the return air explosion-proof fan operates, and the exhaust air explosion-proof fan operates; meanwhile, the fresh air explosion-proof air regulating door, the return air explosion-proof air regulating door and the exhaust air explosion-proof air regulating door are opened or closed according to a set opening degree; when the temperature of the explosion-proof cabin is higher than a set value, monitoring according to an oxygen concentration sensor in the explosion-proof cabin, regulating and controlling the opening degrees of a fresh air explosion-proof air adjusting door and a return air explosion-proof air adjusting door, and starting the refrigeration cycle of a fresh air surface cooler and a return air surface cooler, and monitoring a fresh air temperature and humidity sensor, wherein if the temperature of fresh air is higher than the set value, the fresh air surface cooler is started, and if the temperature of fresh air is lower than the set value, only the return air surface cooler is started; when the temperature of the explosion-proof cabin is lower than a set value, the fresh air explosion-proof electric heater and the return air explosion-proof electric heater are started, the fresh air temperature and humidity sensor is monitored, if the temperature of fresh air is lower than the set value, the two heaters are simultaneously started, if the temperature of fresh air is higher than the set value, only the return air explosion-proof electric heating is started, and the temperature of the explosion-proof cabin is ensured to be within a set range; when the humidity of the explosion-proof cabin is higher than an upper limit value, the fresh air surface cooler and the return air surface cooler enter a dehumidification working condition, the refrigeration operation is carried out, and a fresh air temperature and humidity sensor is monitored, if the humidity of the fresh air is higher than the upper limit value, the fresh air surface cooler does not carry out dehumidification operation; if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating and the return air explosion-proof electric heating work simultaneously; when the humidity of the explosion-proof cabin is lower than the lower limit value, the fresh air humidifier and the return air humidifier enter a humidification working condition to operate, the fresh air temperature and humidity sensor is monitored, if the humidity of the fresh air is higher than the lower limit value, the fresh air humidifier does not operate, and if the temperature of the fresh air is lower than the set lower limit value, the fresh air explosion-proof electric heating and the return air explosion-proof electric heating work simultaneously.
Claims (6)
1. A control method of an explosion-proof air conditioning system for ships is characterized by comprising the following steps: air conditioning system includes explosion-proof electric cabinet, air-conditioning box, new bellows, row's bellows, and explosion-proof electric cabinet connects the air-conditioning box, and the air-conditioning box connects a plurality of explosion-proof cabins, its characterized in that respectively through a plurality of supply-air duct: a fresh air box and an exhaust box are connected to each explosion-proof cabin, a fresh air explosion-proof fan is arranged in the fresh air box and connected with a fresh air processing cavity through a fresh air explosion-proof air adjusting door, and a fresh air filter, a fresh air surface cooler, a fresh air humidifier and fresh air explosion-proof electric heating are sequentially arranged in the fresh air processing cavity; the exhaust box is connected with an exhaust explosion-proof fan through an exhaust explosion-proof air adjusting door and then is externally connected with the atmosphere; the air conditioner box is internally provided with a return air box which is connected with an explosion-proof cabin through a return air pipeline and a return air explosion-proof air regulating door, the return air box is internally provided with a return air explosion-proof temperature and humidity sensor, the return air box sequentially passes through a return air filter, a return air surface cooler, a return air humidifier, a return air explosion-proof electric heater and a return air explosion-proof fan to be connected with an air supply static pressure box, the air supply static pressure box is internally provided with a return air supply explosion-proof temperature and humidity sensor, and the air supply static pressure box is connected with the explosion-proof cabin through an air supply pipeline;
the operation of the device adopts two working conditions of closed circulation, ventilation and mixed air supply;
the control method of the closed cycle working condition comprises the following steps: the operation of the air exhaust explosion-proof air conditioning fan is stopped, the air exhaust explosion-proof air conditioning door is closed, the operation of the fresh air explosion-proof air conditioning fan is stopped, and the fresh air explosion-proof air conditioning door is closed; the return air explosion-proof fan operates, and the return air explosion-proof air adjusting door is opened; when the temperature of the explosion-proof cabin is higher than a set upper limit value, the explosion-proof flow regulating valve is opened, and the explosion-proof flow sensor and the refrigerant water inlet and outlet temperature sensor monitor that the return air surface cooler enters a refrigeration cycle; when the temperature of the explosion-proof cabin is lower than the lower limit value, the return air explosion-proof electric heating is started to perform heating circulation; when the humidity of the explosion-proof cabin is higher than the upper limit value, the return air surface cooler enters a dehumidification working condition and performs refrigeration operation; if the temperature of the explosion-proof cabin is lower than the set lower limit value, the explosion-proof electric heating works simultaneously; when the humidity of the explosion-proof cabin is lower than the lower limit value, the humidification working condition is entered, the return air humidifier is opened to operate, and if the temperature is lower than the set lower limit value, the return air explosion-proof electric heating works at the same time; finally, a return air and air supply explosion-proof temperature and humidity sensor is monitored in the air supply static pressure box, and the temperature and humidity sent into the explosion-proof cabin are ensured to meet the explosion-proof requirement;
the control method of the ventilation working condition comprises the following steps: the fresh air explosion-proof fan operates, and the exhaust explosion-proof fan operates; meanwhile, the fresh air explosion-proof air regulating door and the exhaust explosion-proof air regulating door are opened or closed according to a set opening degree; when the temperature of the explosion-proof cabin is higher than a set value, the refrigeration cycle of the fresh air surface cooler is started, and when the temperature of the explosion-proof cabin is lower than the set value, the fresh air explosion-proof electric heater is started to ensure that the temperature of the explosion-proof cabin is within a set range; when the humidity of the explosion-proof cabin is higher than the upper limit value, the fresh air surface cooler enters a dehumidification working condition and performs refrigeration operation; if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating works simultaneously; when the humidity of the explosion-proof cabin is lower than the lower limit value, the fresh air humidifier enters a humidifying working condition to operate, and if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating works simultaneously;
the control method of the mixed air supply working condition comprises the following steps: the fresh air explosion-proof fan operates, the return air explosion-proof fan operates, and the exhaust air explosion-proof fan operates; meanwhile, the fresh air explosion-proof air regulating door, the return air explosion-proof air regulating door and the exhaust air explosion-proof air regulating door are opened or closed according to a set opening degree; when the temperature of the explosion-proof cabin is higher than a set value, monitoring according to an oxygen concentration sensor in the explosion-proof cabin, regulating and controlling the opening degrees of a fresh air explosion-proof air adjusting door and a return air explosion-proof air adjusting door, and starting the refrigeration cycle of a fresh air surface cooler and a return air surface cooler, and monitoring a fresh air temperature and humidity sensor, wherein if the temperature of fresh air is higher than the set value, the fresh air surface cooler is started, and if the temperature of fresh air is lower than the set value, only the return air surface cooler is started; when the temperature of the explosion-proof cabin is lower than a set value, the fresh air explosion-proof electric heater and the return air explosion-proof electric heater are started, the fresh air temperature and humidity sensor is monitored, if the temperature of fresh air is lower than the set value, the two heaters are simultaneously started, if the temperature of fresh air is higher than the set value, only the return air explosion-proof electric heating is started, and the temperature of the explosion-proof cabin is ensured to be within a set range; when the humidity of the explosion-proof cabin is higher than an upper limit value, the fresh air surface cooler and the return air surface cooler enter a dehumidification working condition, refrigeration operation is carried out, and a fresh air temperature and humidity sensor is monitored, wherein if the humidity of the fresh air is higher than the upper limit value, the fresh air surface cooler does not carry out dehumidification operation; if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating and the return air explosion-proof electric heating work simultaneously; when the humidity of the explosion-proof cabin is lower than the lower limit value, the fresh air humidifier and the return air humidifier enter a humidifying working condition to operate, the fresh air temperature and humidity sensor is monitored, if the humidity of the fresh air is higher than the lower limit value, the fresh air humidifier does not operate, and if the temperature is lower than the set lower limit value, the fresh air explosion-proof electric heating and the return air explosion-proof electric heating work simultaneously.
2. The control method of the explosion-proof air conditioning system for the ship as claimed in claim 1, wherein: the fresh air surface cooler and the return air surface cooler are connected with a refrigerant water supply system through an explosion-proof flow sensor and an explosion-proof flow regulating valve, and refrigerant water supply pipelines of the refrigerant water supply system are connected with refrigerant water inlet and outlet temperature sensors.
3. The control method of the explosion-proof air conditioning system for the ship as claimed in claim 1, wherein: and the two ends of the fresh air filter and the return air filter are respectively provided with a differential pressure sensor.
4. The control method of the explosion-proof air conditioning system for the ship as claimed in claim 1, wherein: the fresh air explosion-proof air adjusting door, the exhaust air explosion-proof air adjusting door and the return air explosion-proof air adjusting door adopt pneumatic explosion-proof air valves.
5. The control method of the explosion-proof air conditioning system for the ship as claimed in claim 4, wherein: the pneumatic explosion-proof air valve is a copper rod copper core explosion-proof valve.
6. The control method of the explosion-proof air conditioning system for the ship as claimed in claim 1, wherein: the fresh air explosion-proof electric heating and the return air explosion-proof electric heating are copper pipe electric heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211318345.2A CN115384750A (en) | 2022-10-26 | 2022-10-26 | Control method of explosion-proof air conditioning system for ships |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211318345.2A CN115384750A (en) | 2022-10-26 | 2022-10-26 | Control method of explosion-proof air conditioning system for ships |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115384750A true CN115384750A (en) | 2022-11-25 |
Family
ID=84128288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211318345.2A Pending CN115384750A (en) | 2022-10-26 | 2022-10-26 | Control method of explosion-proof air conditioning system for ships |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115384750A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116691993A (en) * | 2023-05-29 | 2023-09-05 | 中国舰船研究设计中心 | Ship cabin air treatment device and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856831A (en) * | 2017-09-15 | 2018-03-30 | 沪东中华造船(集团)有限公司 | An air-conditioning and ventilation system for explosion-proof spaces of ships and its control method |
| CN111204436A (en) * | 2018-11-21 | 2020-05-29 | 吴新亚 | Control method of air supply explosion-proof marine air conditioning system |
| CN114576767A (en) * | 2022-01-27 | 2022-06-03 | 赫为科技有限公司 | Indoor environment control device and control system |
| CN114655419A (en) * | 2022-03-30 | 2022-06-24 | 中国舰船研究设计中心 | Marine centralized air conditioning device and air supply temperature and humidity adjusting method |
| CN114802689A (en) * | 2022-04-20 | 2022-07-29 | 合肥天鹅制冷科技有限公司 | Special cabin environmental control system |
| CN217357304U (en) * | 2022-04-13 | 2022-09-02 | 宝钢空调（泰州）有限公司 | Explosion-proof air conditioner device of taking a breath |
-
2022
- 2022-10-26 CN CN202211318345.2A patent/CN115384750A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856831A (en) * | 2017-09-15 | 2018-03-30 | 沪东中华造船(集团)有限公司 | An air-conditioning and ventilation system for explosion-proof spaces of ships and its control method |
| CN108189995A (en) * | 2017-09-15 | 2018-06-22 | 沪东中华造船(集团)有限公司 | A kind of control method of air conditioner ventilating system for the explosion-proof place in naval vessel |
| CN111204436A (en) * | 2018-11-21 | 2020-05-29 | 吴新亚 | Control method of air supply explosion-proof marine air conditioning system |
| CN114576767A (en) * | 2022-01-27 | 2022-06-03 | 赫为科技有限公司 | Indoor environment control device and control system |
| CN114655419A (en) * | 2022-03-30 | 2022-06-24 | 中国舰船研究设计中心 | Marine centralized air conditioning device and air supply temperature and humidity adjusting method |
| CN217357304U (en) * | 2022-04-13 | 2022-09-02 | 宝钢空调（泰州）有限公司 | Explosion-proof air conditioner device of taking a breath |
| CN114802689A (en) * | 2022-04-20 | 2022-07-29 | 合肥天鹅制冷科技有限公司 | Special cabin environmental control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116691993A (en) * | 2023-05-29 | 2023-09-05 | 中国舰船研究设计中心 | Ship cabin air treatment device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109451701B (en) | Data center energy-saving refrigerating system capable of utilizing outdoor air all year round | |
| CN113820163B (en) | Temperature and humidity control system and method for airplane test | |
| CN109556219B (en) | Variable air volume air conditioning unit and control method thereof | |
| CN211400050U (en) | Industrial refrigeration dehumidifier capable of running in energy-saving mode | |
| CN114655419A (en) | Marine centralized air conditioning device and air supply temperature and humidity adjusting method | |
| CN114802689A (en) | Special cabin environmental control system | |
| CN111912058B (en) | A building environment and wall temperature and humidity control system | |
| CN113310142A (en) | Special cabin environmental control system | |
| CN115384750A (en) | Control method of explosion-proof air conditioning system for ships | |
| CN206637755U (en) | A kind of high-precision constant-temperature constant-moisture air-conditioner control system of optimization | |
| CN217396794U (en) | Special cabin environmental control system | |
| CN217357304U (en) | Explosion-proof air conditioner device of taking a breath | |
| CN119436327A (en) | Air conditioning purification system for clean workshop | |
| CN215295205U (en) | Special cabin environmental control system | |
| CN108800397A (en) | The energy-saving temperature and humidity control ventilating system of fully-automatic intelligent | |
| CN211167364U (en) | Marine double-air-temperature frequency conversion combined air conditioning device | |
| CN207674593U (en) | Two fans convertible frequency air-conditioner case | |
| CN219160495U (en) | Energy-saving dehumidification heat pump device | |
| CN217654040U (en) | Energy-saving central air conditioning system capable of intelligently adjusting air flow | |
| CN216346649U (en) | Fresh air equipment and multi-line air conditioning system | |
| CN215832115U (en) | Intelligent new trend system of plateau pressure boost building | |
| CN214701108U (en) | Central air-conditioning air supply system | |
| CN223484394U (en) | Air conditioner purifying system for cleaning factory building | |
| CN218993546U (en) | Novel air conditioning system architecture | |
| CN219283501U (en) | Air treatment unit and low-temperature clean room |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20221125 |