CN111043698A - Modularization new trend preprocessing equipment - Google Patents
Modularization new trend preprocessing equipment Download PDFInfo
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- CN111043698A CN111043698A CN201911315113.XA CN201911315113A CN111043698A CN 111043698 A CN111043698 A CN 111043698A CN 201911315113 A CN201911315113 A CN 201911315113A CN 111043698 A CN111043698 A CN 111043698A
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- 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
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- 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
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- 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
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- 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
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- 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
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- 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
- F24F2110/40—Pressure, e.g. wind pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A modularized fresh air pretreatment device adopts an integrated structure and mainly comprises a filter assembly, a fan assembly, a surface cooler assembly, a corresponding temperature and humidity and pressure measuring instrument, an operation main controller and a main controller; the modular surface cooler has a compact structure and small occupied space, can be integrally installed and is convenient to disassemble; the surface cooler assembly consists of at least 2 surface cooling units which are separated by unit partition plates, and each surface cooling unit is provided with an independent refrigerant water coil and a control valve, so that the surface cooler assembly can independently operate and is convenient for parameter control, disassembly and maintenance; the precise control of fresh air supply parameters can be realized through the matching operation of the measuring instrument, the logic control device, the fan assembly and the surface cooler assembly, and the energy consumption is correspondingly saved; the invention can provide a solution for the problems of complex installation, building space waste, high maintenance cost, overlarge energy consumption and the like in the installation and use processes of the traditional fresh air and air conditioning system.
Description
Technical Field
The invention relates to a modular surface air cooler for fresh air pretreatment, and belongs to the technical field of design and manufacture of air conditioning system equipment.
Background
In the past, a fresh air system is an independent air processing system consisting of an air supply system and an air exhaust system, and the fresh air system purifies outdoor air and introduces the outdoor air into a room through a fresh air fan, and exhausts the indoor air through a pipeline or other modes, so that the purposes of keeping the cleanliness and ventilation of the indoor air of a building are achieved.
Along with the development of air conditioning technology, in order to improve the comfort level that the room internal body felt, when carrying out the new trend and changing, still need adjust the temperature, the humidity of new trend. Therefore, the fresh air system is usually used by being matched with various comprehensive air conditioning systems (such as a primary air return system), and when the air conditioning system meets the indoor load treatment, the fresh air system independently completes the temperature and humidity treatment of outdoor fresh air. However, in this way, the fresh air system and the air conditioning system need to be installed in the building at the same time, so that the installation operation is complex and complicated, more internal space of the building needs to be required, and the building is difficult to reform after the project is completed.
On the other hand, in a fresh air unit or system with a temperature and humidity adjusting function, a surface cooler is generally adopted to cool, condense and dehumidify fresh air. The surface cooler in the current fresh air handling unit is mostly a whole, in case damage has appeared in a refrigerant return circuit, can only wholly change the surface cooler, and it is big to dismantle the degree of difficulty, and is with high costs. Meanwhile, because an integral structure is adopted, the flow of the refrigerant water is controlled by only arranging a regulating valve on the surface cooler generally, and the accurate control of the temperature and the humidity of fresh air is not facilitated. For example, when the operating mode dehumidifies in summer, the new trend is probably cooled down comparatively seriously after the surface cooler dehumidification, needs make the temperature resume to the setting value through reheating, especially when wet load is lower, the new trend is after the surface cooler dehumidification, and the cooling is especially serious, often needs reheat, causes the energy waste. Therefore, the surface cooler structure of the fresh air handling unit and the control strategy of the fresh air parameters need to be further improved.
In conclusion, how to provide a fresh air system which can accurately control fresh air supply parameters, has a compact structure, is easy to install and modify and has low maintenance cost, is used for solving the problems of complex installation, building space waste, high maintenance cost, excessive energy consumption and the like caused by independent installation of the traditional fresh air system and the air conditioning system, and becomes a problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a modularized fresh air pretreatment device, which is used for pretreating the temperature and the humidity of fresh air of an air conditioning system; this modularization surface cooler compact structure, easily installation and dismantlement, control new trend temperature and humidity that can be accurate can solve current new trend system installation loaded down with trivial details, occupation space is big, the maintenance cost is high, the too big scheduling problem of energy consumption.
The technical scheme is as follows: the invention relates to modular fresh air pretreatment equipment which comprises a modular surface air cooler, a filtering assembly, a fan assembly, a surface air cooler assembly, a corresponding temperature, humidity and pressure tester, an operation controller and a main controller. Wherein, the filter component is used for filtering fresh air; the fan assembly is used for adjusting the fresh air volume; the surface cooler component is used for regulating and controlling the temperature and the humidity of fresh air; the temperature, humidity and pressure test instrument is used for collecting fresh air data; the operation and logic control device is used for dynamic operation control of the system.
Furthermore, in the modular fresh air preprocessing device, an air inlet temperature and humidity sensor group is arranged at a fresh air inlet of the modular surface air cooler and used for collecting the inlet temperature and humidity of fresh air, and the air inlet temperature and humidity sensor group transmits collected temperature and humidity data to a main controller through a signal transmission line; the fresh air outlet of the modular surface cooler is provided with an air outlet temperature and humidity sensor group for collecting the outlet temperature and humidity of the fresh air, and the collected temperature and humidity data are transmitted to the main controller through a signal transmission line by the air outlet temperature and humidity sensor group.
Furthermore, in the modular fresh air pretreatment device, the filter assembly is arranged at the fresh air inlet of the modular surface air cooler and is positioned behind the inlet air temperature and humidity sensor group and used for filtering fresh air.
Furthermore, in the modular fresh air pretreatment equipment, a fan assembly is arranged behind the filter assembly, and a signal transmission line is arranged in the fan assembly and is connected to the main controller; a surface cooler assembly is arranged behind the fan assembly, and a signal transmission line is arranged between the surface cooler assembly and the main controller; the front end and the rear end of the surface cooler assembly are respectively provided with a first pressure sensor and a second pressure heat transmitter, signal transmission lines of the first pressure sensor and the second pressure sensor are connected to a differential pressure measuring sensor, and the differential pressure measuring sensor is connected to the main controller through the signal transmission lines.
Furthermore, in the modular fresh air pretreatment device, the fan assembly is composed of a plurality of independent fan units, and each fan unit is internally provided with a plurality of fans. And each fan unit controller is connected with the main controller through a signal transmission line. The main controller sends signals to the fan unit controllers, the frequency of the fans in the fan units can be changed, so that the fresh air quantity can be controlled, and the adjustment of the fresh air quantity can help the system to accurately control the temperature and humidity parameters, particularly the humidity parameters, of the fresh air outlet, so that the accurate control of the fresh air dehumidification capacity is realized.
Furthermore, in the modular fresh air preprocessing device, the first pressure sensor and the second pressure sensor feed back the front pressure and the rear pressure of the surface cooler assembly to the differential pressure measuring sensor, and the differential pressure measuring sensor transmits data signals to the main controller and then obtains fresh air volume data through calculation, so that the accurate control of the fresh air volume is realized; the corresponding relation between the pressure difference change before and after the fresh air of the surface cooler assembly and the fresh air volume change needs to be additionally calibrated and tested, and the pressure difference data before and after the surface cooler assembly can correspond to the fresh air volume data after the calibration and test, so that the main controller can calculate the corresponding fresh air volume according to the data of the pressure difference measuring sensor.
Furthermore, in the modular fresh air pretreatment equipment, the surface cooler assembly consists of a plurality of surface cooling units, each surface cooling unit is internally provided with an independent refrigerant water coil pipe, and fins are wound on the coil pipe; be provided with the unit baffle between the cold unit of table, the new trend that gets into in every cold unit of table is through the dehumidification cooling of refrigerant water coil pipe, and the operating mode between each unit does not influence each other, does not have the flow interference of the back comdenstion water that dehumidifies yet. The refrigerant water inlet and outlet pipelines of each meter cooling unit adopt a parallel connection mode, and the refrigerant water inlet pipeline of each meter cooling unit is correspondingly provided with an electric branch valve for adjusting the flow of refrigerant water entering the meter cooling units. And the refrigerant water inlet main pipe of the surface cooler assembly is provided with an electric main valve which is used for controlling the total flow of refrigerant water entering the surface cooler assembly. The electric main valve on the surface cooler assembly refrigerant water inlet main pipe and each electric branch valve on the refrigerant water branch pipe entering the surface cooling unit are connected through a signal transmission line, and the signal transmission line is simultaneously connected to the main controller. The main controller sends signals to the electric main valve and the electric branch valves to adjust the opening degree of the electric main valve and the electric branch valves, controls the total amount of refrigerant water entering the surface cooler assembly and the amount of refrigerant water entering each surface cooling unit, controls the cooling and dehumidifying capacity of fresh air passing through the surface cooler assembly, and adjusts the fresh air volume through the fan assembly to realize the accurate control of the temperature and the humidity of the fresh air supply.
Furthermore, in the modular fresh air pretreatment equipment, the surface cooler assembly is integrally installed in the modular surface cooler and consists of a plurality of surface cooling units, when a certain unit is damaged, the corresponding electric branch valve can be closed, the surface cooling units can be detached and maintained, and the maintenance cost and the influence on the normal work of the surface cooler assembly are reduced.
Furthermore, the modular fresh air pretreatment equipment is mainly used for being matched with an existing air conditioner main system in a building to provide fresh air with specific parameters; the modular surface air cooler can be directly connected with an air conditioning main system, and the air conditioning main system is mainly a primary return air conditioning system and can also be other types of air conditioning systems needing fresh air.
Has the advantages that: compared with the prior art, the invention has the following advantages:
(1) compared with the existing fresh air system, the invention adopts the modularized surface air cooler, integrates all the devices for measuring and processing the temperature and the humidity of the fresh air, is convenient for installation and modification, occupies small space, and is suitable for new construction or modification projects of an air conditioning system;
(2) the fresh air supply quantity can be accurately controlled, the temperature and the humidity of the supplied fresh air can be accurately adjusted, and compared with a traditional fresh air system using a surface cooler, a large amount of energy consumption can be saved particularly in the humidity adjusting process of the fresh air;
(3) in the modular surface air cooler, a surface air cooler assembly is divided into a plurality of non-interfering surface cooling units through partition plates, each unit is provided with an independent refrigerant water coil pipe and a control valve, and the refrigerant water flow can be flexibly adjusted and fresh air supply parameters can be controlled according to load changes; meanwhile, each meter cooling unit operates independently, is convenient to disassemble and is low in maintenance cost.
Drawings
FIG. 1 is a schematic view of the overall construction of a modular surface air cooler of the present invention;
FIG. 2 is a schematic view of the surface cooler assembly of the present invention;
FIG. 3 is a schematic structural view of a fan assembly of the present invention;
FIG. 4 is a schematic view of the modular surface air cooler of the present invention connected within an air conditioning system;
in the figure: 1. the system comprises a modular surface cooler, 2, an inlet air temperature and humidity sensor group, 3, a filter component, 4, a fan component, 5, a surface cooler component, 6, a first pressure sensor, 7, a second pressure sensor, 8, a differential pressure measuring sensor, 9, an outlet air temperature and humidity sensor group, 10, a main controller, 11, a surface cooling unit, 12, a unit partition board, 13, an electric main valve, 14, an electric branch valve, 15, a fan unit, 16, a fan, 17, a fan unit controller, 18 and an air conditioning main system,
19. refrigerant water coil pipe, 20, refrigerant water inlet main pipe, 21, refrigerant water inlet pipeline, 22 and refrigerant water outlet pipeline.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings 1-4.
As shown in fig. 1, in the modular fresh air preprocessing device of the present invention, an inlet air temperature and humidity sensor group 2 is disposed at a fresh air inlet of a modular surface air cooler 1, and is configured to collect inlet temperature and humidity of fresh air; the signal transmission line of the air inlet temperature and humidity sensor group 2 is connected to the main controller 10, and temperature and humidity data are transmitted to the main controller 10 through the signal transmission line. The new trend exit of modularization surface cooler 1 sets up air-out temperature and humidity sensor group 9 for gather the export temperature, the humidity of new trend, air-out temperature and humidity sensor group 9 signal transmission line is connected to main control unit 10, and the air-out temperature, the humidity data that will collect convey to main control unit 10 through signal transmission line.
In the modularization surface cooler 1, the rear of air inlet temperature and humidity sensor group 2 sets up filtering component 3 for the filtration of new trend purifies. What filter component 3's rear set up is fan subassembly 4, and fan subassembly 4 is equipped with signal transmission line and is connected to main control unit 10 for the fresh air volume when the governing system operation. What set up behind fan subassembly 4 is surface cooler subassembly 5 for cool down the dehumidification to the new trend, be equipped with signal transmission line simultaneously between surface cooler subassembly 5 and the main control unit 10. The front end and the rear end of the surface cooler assembly 5 are respectively provided with a first pressure sensor 6 and a second pressure sensor 7, signal transmission lines of the first pressure sensor 6 and the second pressure sensor 7 are connected to a differential pressure measuring sensor 8, the differential pressure measuring sensor 8 judges fresh air volume by collecting pressure signals of the first pressure sensor 6 and the second pressure sensor 7, and the differential pressure measuring sensor 8 is connected to a main controller 10 through the signal transmission lines.
As shown in fig. 2, in the modular fresh air preprocessing device of the present invention, the surface cooler assembly 5 is composed of a plurality of surface cooling units 11, each surface cooling unit 11 is provided with an independent chilled water coil 19, and the coil is wound with fins. Be provided with unit baffle 12 between two adjacent table cold units 11, the new trend that gets into in every table cold unit 11 is through the cooling coil 19 dehumidification cooling, and the operating mode between each unit does not influence each other, does not have the flow interference of the back comdenstion water that dehumidifies yet. The refrigerant water inlet pipeline 21 and the refrigerant water outlet pipeline 22 of each meter cooling unit 11 are connected in parallel, and the refrigerant water inlet pipeline 21 of each meter cooling unit 11 is correspondingly provided with an electric shunt valve 14 for regulating the flow of refrigerant water entering the meter cooling unit 11. An electric main valve 13 is arranged on a refrigerant water inlet main pipe 20 of the surface cooler assembly 5 and is used for controlling the total flow of refrigerant water entering the surface cooler assembly 5. The electric main valve 13 on the refrigerant water inlet main pipe 20 of the surface cooler assembly 5 and each electric branch valve 14 on the refrigerant water inlet pipeline 21 entering the surface cooler unit 11 are connected through signal transmission lines, and the signal transmission lines are simultaneously connected to the main controller 10.
The specific operation scheme corresponding to the surface cooler assembly 5 is as follows: when the air inlet parameters of the fresh air change, the main controller 10 sends signals to the electric main valve 13 and the electric branch valves 14 according to the fresh air parameters collected by the air inlet temperature and humidity sensor group 2 and the air outlet temperature and humidity sensor group 9 to adjust the opening degree of the electric main valve and the electric branch valves, controls the total amount of refrigerant water entering the surface cooler assembly 5 and the amount of refrigerant water entering each surface cooling unit 11, controls the cooling and dehumidifying capacity of the fresh air passing through the surface cooler assembly 5, and adjusts the fresh air volume through the fan assembly 4 at the same time, so that the temperature and humidity of the fresh air supply are accurately controlled. Further, surface cooler subassembly 5 is whole to be installed in modularization surface cooler 1, when certain surface cooling unit 11 appears damaging, can close corresponding electronic minute valve 14, carries out the dismantlement and the maintenance of surface cooling unit 11, reduces the maintenance cost and to the influence of surface cooler subassembly 5 normal work.
As shown in fig. 3, in the modular fresh air preprocessing device of the present invention, the fan assembly 4 is composed of a plurality of individual fan units 15, and each fan unit 15 is provided with a plurality of fans 16 therein. Each fan unit 15 is provided with a corresponding fan unit controller 17, and the fan unit controllers 17 are connected to the main controller 10 through signal transmission lines.
The specific operation scheme corresponding to the fan assembly 4 is as follows: when the system is in operation, when the air volume needs to be changed, the main controller 10 sends signals to the fan unit controllers 17 to change the frequency of each fan 16 in each fan unit 15, meanwhile, the first pressure sensor 6 and the second pressure sensor 7 feed back the front and back pressure of the surface cooler assembly 5 to the differential pressure measuring sensor 8, and the differential pressure measuring sensor 8 transmits data signals to the main controller 10 to obtain the fresh air volume data through calculation, so that the accurate control of the fresh air volume is realized. The corresponding relation between the pressure difference change before and after the fresh air of the surface cooler assembly 5 and the fresh air volume change needs to be additionally calibrated and tested, and after the calibration and test, the pressure difference data before and after the surface cooler assembly 5 can correspond to the fresh air volume data, so that the main controller 10 can calculate the corresponding fresh air volume according to the data of the pressure difference measuring sensor 8. On the other hand, the fan assembly 4 can adjust the fan unit controller 17 to change the frequency of the fans 16 in each fan unit 15 after being analyzed by the main controller 10 according to the fresh air outlet data measured by the outlet air temperature and humidity sensor, so that the fresh air volume is adjusted, the system is helped to accurately control the temperature and humidity parameters, particularly the humidity parameters, of the fresh air outlet, and the fresh air dehumidification capacity is accurately controlled.
As shown in fig. 4, a modular fresh air preprocessing device of the present invention is mainly used to cooperate with an existing air conditioning system 18 in a building to provide fresh air with specific parameters; the modular surface air cooler 1 can be directly connected to an air conditioning system 18, and the air conditioning system 18 is mainly a primary return air conditioning system and can also be other types of air conditioning systems requiring fresh air.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, and equivalents including technical features of the claims, i.e., equivalent modifications within the scope of the present invention.
Claims (10)
1. The utility model provides a modularization new trend pre treatment facility which characterized in that: the modular surface air cooler comprises a modular surface air cooler (1) and a main controller (10), wherein the modular surface air cooler (1) comprises an air inlet and an air outlet, and an air inlet temperature and humidity sensor group (2), a filter component (3), a fan component (4), a surface air cooler component (5) and an air outlet temperature and humidity sensor group (9) are sequentially arranged in the modular surface air cooler (1) along an air inlet direction; the air inlet temperature and humidity sensor group (2), the fan assembly (4) and the air outlet temperature and humidity sensor group (9) of the surface air cooler assembly (5) are all connected with the main controller (10).
2. The modular fresh air pretreatment device of claim 1, wherein: the device also comprises a differential pressure measurer (8), wherein the differential pressure measurer (8) is connected with the main controller (10); be equipped with first pressure sensor (6) between fan subassembly (4), surface cooler subassembly (5), be equipped with second pressure sensor (7) between surface cooler subassembly (5) and air-out humiture sensor group (9), first pressure sensor (6), second pressure sensor (7) all link to each other with differential pressure caliber (8).
3. The modular fresh air pretreatment device of claim 1, wherein: the surface cooler assembly (5) comprises a refrigerant water inlet header pipe (20), a refrigerant water inlet pipeline (21), a refrigerant water outlet pipeline (22) and at least 2 surface cooling units (11), one end of each surface cooling unit (11) is connected with the refrigerant water inlet pipeline (21), the other end of each surface cooling unit is connected with the refrigerant water outlet pipeline (22), and each refrigerant water inlet pipeline (21) is connected with the refrigerant water inlet header pipe (20).
4. The modular fresh air pretreatment device of claim 3, wherein: the refrigerant water inlet pipeline (21) and the refrigerant water outlet pipeline (22) of each surface cooling unit (11) are connected in parallel.
5. The modular fresh air pretreatment device of claim 3, wherein: an electric branch valve (14) is arranged on a refrigerant water inlet pipeline (21) of each surface cooling unit (11), and the electric branch valves (14) are connected with a main controller (10).
6. The modular fresh air pretreatment device of claim 3, wherein: an electric main valve (13) is arranged on the refrigerant water inlet main pipe (20), and the electric main valve (13) is connected with the main controller (10).
7. The modular fresh air pretreatment device of claim 3, wherein: a unit partition plate (12) is arranged between each surface cooling unit (11).
8. The modular fresh air pretreatment device of claim 3, wherein: each surface cooling unit (11) comprises at least 2 refrigerant water coil pipes (19), and fins are arranged on the refrigerant water coil pipes (19).
9. The modular fresh air pretreatment device of claim 1, wherein: the fan assembly (4) comprises at least 2 fan units (15); at least 2 fans (16) are arranged in each fan unit (15).
10. The modular fresh air pretreatment device of claim 9, wherein: each fan unit (15) is provided with a fan unit controller (17), and the fan unit controllers (17) are connected with the main controller (10).
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| CN201911315113.XA CN111043698B (en) | 2019-12-19 | 2019-12-19 | Modularization new trend preprocessing equipment |
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| CN112240581A (en) * | 2020-09-04 | 2021-01-19 | 宁波方太厨具有限公司 | Kitchen air conditioning system and control method thereof |
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| CN201531960U (en) * | 2009-08-03 | 2010-07-21 | 广州海呈空调技术有限公司 | Constant temperature and constant humidity air conditioning die set with fresh air pre-processing structure |
| CN203323256U (en) * | 2013-06-14 | 2013-12-04 | 华东建筑设计研究院有限公司 | Air conditioner box capable of resetting constant fresh air volume |
| CN107218654A (en) * | 2017-06-05 | 2017-09-29 | 中铁第四勘察设计院集团有限公司 | The control method and air-conditioning system of air-conditioning system |
| CN207584920U (en) * | 2017-11-24 | 2018-07-06 | 西安必思恩能源科技有限公司 | For air-conditioning between the refrigerating capacity extendible capacity modularization row of micromodule data center machine room |
| CN109838879A (en) * | 2017-11-28 | 2019-06-04 | 山西彩云归科技有限公司 | The method of air quantity and the fresh air system of adjusting air inlet amount are adjusted for fresh air system |
| CN108050618A (en) * | 2017-12-25 | 2018-05-18 | 苏州海派特热能设备有限公司 | A kind of constant temperature and humidity air treatment system and processing method |
| CN209263317U (en) * | 2018-09-30 | 2019-08-16 | 郑州市轨道交通有限公司运营分公司 | A kind of modularization surface air cooler |
| CN109654675A (en) * | 2018-12-17 | 2019-04-19 | 珠海格力电器股份有限公司 | Blower control method, air-conditioning system, ducting system and computer readable storage medium |
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| CN112240581A (en) * | 2020-09-04 | 2021-01-19 | 宁波方太厨具有限公司 | Kitchen air conditioning system and control method thereof |
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