CN104791926A - Air processing unit and control method thereof - Google Patents
Air processing unit and control method thereof Download PDFInfo
- Publication number
- CN104791926A CN104791926A CN201510188061.XA CN201510188061A CN104791926A CN 104791926 A CN104791926 A CN 104791926A CN 201510188061 A CN201510188061 A CN 201510188061A CN 104791926 A CN104791926 A CN 104791926A
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- Prior art keywords
- air
- humidity
- treatment unit
- mixing channel
- channel
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- 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.)
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Classifications
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to an air processing unit which comprises a constant temperature and constant humidity assembly and a fresh air bypass assembly. The constant temperature and constant humidity assembly comprises a first shell, a first air mixing channel, a surface air cooler, a second air mixing channel, a heating device, a humidifying device and an air delivery channel. The first air mixing channel, the surface air cooler, the second air mixing channel, the heating device, the humidifying device and the air delivery channel are sequentially arranged in the first shell. The fresh air bypass assembly comprises a second shell and a fresh air channel. The fresh air channel is arranged in the second shell. The air processing unit further comprises a fresh air valve enabling the first air mixing channel and the fresh air channel to be communicated or not communicated, and further comprises an air mixing valve enabling the second air mixing channel and the fresh air channel to be communicated or not communicated. The invention further relates to a control method of the air processing unit, The air processing unit has the advantages that the energy-saving and high-efficiency effects of the whole system are achieved through heat and humidity recycling of fresh air, and the air processing unit has the advantages of being capable of saving energy, environmentally friendly, simple in structure and convenient to operate.
Description
Technical field
The present invention relates to a kind of air-treatment unit and control method thereof.
Background technology
Air-treatment unit is a kind of unit that can provide a kind of suitable, comfortable environment according to the market demand, and its demand is not only filtration traditionally, refrigeration.Different for occasion, client may need to increase different functions, as several functions combinations such as filtration, cooling and warming, noise elimination, humidification, dehumidifying, heating, sterilization, recuperation of heat, constant temperature and humidity, constant temperature dehumidification, cleanings.In high-precision requirement environment, constant temperature and humidity system plays more important role, because unit needs first the moisture in air to be removed the requirement reaching client, the moisture removed in air then needs the temperature in air to be reduced to below air dew point by the precipitation of aqueous vapor, client has the requirement of constant temperature, temperature after then reducing needs to carry out heat temperature raising and humidification compensation, to meet the requirement of constant temperature and humidity.By in above-mentioned process, can know, in the air handling process of constant temperature and humidity, some energy is for compensation temperature change, and does not have value to client, causes the waste of energy.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of air-treatment unit and control method thereof, solves the deficiencies in the prior art.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of air-treatment unit, and it comprises draws together constant temperature and humidity assembly and new wind bypass assembly; Constant temperature and humidity assembly comprises the first housing, the first air mixing channel, surface cooler, the second air mixing channel, heater, damping device and air-supply passage; First air mixing channel, surface cooler, the second air mixing channel, heater, damping device and air-supply passage are arranged in the first housing in turn; New wind bypass assembly comprises the second housing, new wind passage; New wind channel setting is in the second housing; Also comprise the new air-valve by the first air mixing channel and new wind channel connection or disconnection; Also comprise the mixer selector valve by the second air mixing channel and new wind channel connection or disconnection.
The invention has the beneficial effects as follows: because new wind is a hot and humid air, not through the process of surface cooler reducing temperature and humidity, therefore the refrigeration duty that the surface cooler of constant temperature and humidity assembly provides just can reduce; In whole constant temperature and humidity assembly, the heat of new wind and water capacity have been neutralized by the return air through reducing temperature and humidity, and the moisture that adds of the heat input and damping device that decrease heater in constant temperature and humidity assembly drops into.Fresh air treatment system, mainly utilizes the heat moisture of new wind to reclaim the effect reaching the efficient energy-saving of whole system.Whole device has energy-saving and environmental protection and the advantage of the simple convenient operation of structure.
Further: new wind bypass assembly also comprises the second filter; Second filter arranges the middle part of new wind passage, and new wind passage is divided into analog channel and rearmounted passage; New air-valve is communicated with or disconnects the first air mixing channel and analog channel; Mixer selector valve is communicated with or disconnects the second air mixing channel and rearmounted passage.
The beneficial effect of above-mentioned further scheme is: filter the new wind entering new wind bypass assembly 2, avoids the gas owing to entering air-treatment unit unclean and causes the situation of related components inefficiency or damage to occur.
Further: constant temperature and humidity assembly also comprises the first filter; First filter is arranged between the first air mixing channel and surface cooler.
The beneficial effect of above-mentioned further scheme is: in order to filter the air entering constant temperature and humidity assembly, avoids the gas owing to entering air-treatment unit unclean and causes the situation of related components inefficiency or damage to occur.
Further: the first air mixing channel, the first filter, surface cooler, the second air mixing channel, heater, damping device and air-supply passage are arranged in turn along the air-flow direction in the first casing.
The beneficial effect of above-mentioned further scheme is: the general layout of air-treatment unit is more reasonable.
Further: the first filter and the second filter are air cleaner.
The beneficial effect of above-mentioned further scheme is: structure of the present invention is simpler, manufacturing cost reduces further.
Further: heater is electric heating part.
The beneficial effect of above-mentioned further scheme is: structure of the present invention is simpler, manufacturing cost reduces further.
Further: constant temperature and humidity assembly also comprises blower fan; Blower fan is located in air-supply passage.
The beneficial effect of above-mentioned further scheme is: the air after constant temperature and humidity process enters user's usage space by air-supply passage more quickly.
Further: also to comprise controller; Controller is for controlling new air-valve, the unlatching of mixer selector valve or cut out.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of control method of air-treatment unit, and it comprises following step:
Size according to indoor humidity and setting humidity compares:
When indoor humidity is lower than setting humidity, controller controls mixer selector valve cut out, new air-valve is opened, and air-treatment unit runs; Air-treatment unit runs, and indoor humidity continues lower than setting humidity after 5 to 20 seconds, and controller controls damping device and opens humidification;
When indoor humidity is higher than setting humidity, controller controls damping device and stops humidification, and air-treatment unit runs; Air-treatment unit runs, and indoor humidity continues higher than setting humidity after 5 to 20 seconds, then controller controls that mixer selector valve is opened, new air-valve cuts out.
The invention has the beneficial effects as follows: utilize the heat moisture of new wind to reclaim the effect reaching the efficient energy-saving of whole system.There are energy-saving and environmental protection and the advantage of the simple convenient operation of structure.
Further: also to comprise the steps: to compare according to the size of Indoor Temperature and design temperature, when indoor temperature is lower than design temperature, controller controls electrical heating and opens, otherwise then controller controls electrical heating cut out.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of air-treatment unit 100, it comprises draws together constant temperature and humidity assembly 1 and new wind bypass assembly 2.
Constant temperature and humidity assembly 1 comprises the first housing 101, first air mixing channel 11, surface cooler 12, second air mixing channel 13, heater 14, damping device 15 and air-supply passage 16; First air mixing channel 11, surface cooler 12, second air mixing channel 13, heater 14, damping device 15 and air-supply passage 16 are arranged in the first housing 101 in turn.Air flows through the first air mixing channel 11 in turn in constant temperature and humidity assembly 1, surface cooler 12, second air mixing channel 13, heater 14, damping device 15 send into user's usage space finally by air-supply passage 16.
New wind bypass assembly 2 comprises the second housing 102, new wind passage; New wind channel setting is in the second housing 102.
Air-treatment unit 100 also comprises the new air-valve 103 by the first air mixing channel 11 and new wind channel connection or disconnection; Air-treatment unit 100 also comprises the mixer selector valve 104 by the second air mixing channel 13 and new wind channel connection or disconnection.
Air in first air mixing channel 11, by surface cooler 12 cool-down dehumidification, then heated by heater 14 through the second air mixing channel 13, by damping device 15 humidification after having heated, user's usage space is sent into finally by by air-supply passage 16, thus reach the object making user's usage space keep constant temperature and humidity state, meet the requirement of user.The new wind that new wind bypass assembly 2 fills into enters constant temperature and humidity assembly 1 by new air-valve 103 and mixes with the return air of the first air mixing channel 11, or the new wind that fills into of new wind bypass assembly 2 enters constant temperature and humidity assembly 1 by mixer selector valve 104 and mixes with the return air of the second air mixing channel 13.
In above-mentioned air handling process, because new wind is a hot and humid air, not through the process of surface cooler 12 reducing temperature and humidity, therefore the refrigeration duty that the surface cooler 12 of constant temperature and humidity assembly 1 provides just can reduce; In whole constant temperature and humidity assembly 1, the heat of new wind and water capacity have been neutralized by the return air through reducing temperature and humidity, and the moisture that adds of the heat input and damping device 15 that decrease heater 14 in constant temperature and humidity assembly 1 drops into.Fresh air treatment system, mainly utilizes the heat moisture of new wind to reclaim the effect reaching the efficient energy-saving of whole system.Whole device has energy-saving and environmental protection and the advantage of the simple convenient operation of structure.
The present invention can also do following improvement or preferred:
Further: heater 14 is electric heating part.Make that the structure of air-treatment unit 100 is simple, low cost of manufacture thus.
In order to filter the new wind of air and the new wind bypass assembly 2 entering constant temperature and humidity assembly 1, avoiding the gas owing to entering air-treatment unit 100 unclean and causing the situation of related components inefficiency or damage to occur.
Preferred: constant temperature and humidity assembly 1 also comprises the first filter 18; First filter 18 is arranged between the first air mixing channel 11 and surface cooler 12.
Preferred: new wind bypass assembly 2 also comprises the second filter 21; Second filter 21 arranges the middle part of new wind passage, and new wind passage is divided into analog channel 22 and rearmounted passage 23; New air-valve 103 is communicated with or disconnects the first air mixing channel 11 and analog channel 22; Mixer selector valve 104 is communicated with or disconnects the second air mixing channel 13 and rearmounted passage 23.It should be noted that the new wind in new wind bypass assembly 2 sucks from analog channel 22, then enter the first air mixing channel 11 of constant temperature and humidity assembly 1 or the second air mixing channel 13 through rearmounted passage 23, mixer selector valve 104 constant temperature and humidity assembly 1 through new air-valve 103.
Alternatively, each in the first filter 18 and the second filter 21 can be all air cleaner, thus makes that the structure of air-treatment unit 100 is simpler, manufacturing cost reduces further.
In order to make the air after constant temperature and humidity process enter user's usage space by air-supply passage 16 more quickly, constant temperature and humidity assembly 1 can also comprise blower fan 17, and blower fan 17 is located in air-supply passage 16.In like manner, also blower fan can be provided with in analog channel 22 and rearmounted passage 23.
The present invention also announces a kind of control method of air-treatment unit, and it comprises following step:
Size according to indoor humidity and setting humidity compares:
When indoor humidity is lower than setting humidity, controller control mixer selector valve 104 is closed, new air-valve 103 is opened, and air-treatment unit runs; Air-treatment unit runs, and indoor humidity continues lower than setting humidity after 5 to 20 seconds (preferably 10 seconds), and controller controls damping device 15 and opens humidification.
When indoor humidity is higher than setting humidity, controller controls damping device 15 and stops humidification, and air-treatment unit runs; Air-treatment unit runs, and indoor humidity continues higher than setting humidity after 5 to 20 seconds (preferably 10 seconds), then controller controls that mixer selector valve 104 is opened, new air-valve 103 cuts out.
A kind of control method of air-treatment unit also comprises the steps:
Size according to Indoor Temperature and design temperature compares:
When indoor temperature is lower than design temperature, controller controls electrical heating and opens, otherwise then controller controls electrical heating cut out.
Below for a concrete example, the energy-saving effect according to air-treatment unit 100 of the present invention is described:
Customer requirement parameter: return air operating mode: dry-bulb temperature: 27 DEG C, wet-bulb temperature: 19.5 DEG C, relative humidity: 50.4%; New wind operating mode: dry-bulb temperature: 35 DEG C, wet-bulb temperature: 28 DEG C; Require: air quantity is: 85000m3/h, and new wind is 10%; Margin blast pressure: 700Pa, refrigerating capacity: 561kw, electrical heating amount: 180KW, electrode adds moisture: 45kg/h.
The processing procedure of air-treatment unit 100 is as follows: operating mode after mixed wind: dry-bulb temperature: 27.8 DEG C, wet-bulb temperature: 20.5 DEG C; Operating mode after surface cooler: dry-bulb temperature: 14.7 DEG C, wet-bulb temperature: 13.9 DEG C, needs to provide 561KW cold herein; Because customer requirement arrives constant temperature and humidity effect, therefore air needs heat temperature raising process after surface cooler, so add electric heater, the heat that adds that electrical heating needs is 180KW.
Below for adding the data analysis of VMC constant temperature and humidity unit:
Customer requirement parameter: return air operating mode: dry-bulb temperature: 27 DEG C, wet-bulb temperature: 19.5 DEG C, relative humidity: 50.4%, water capacity: 11.2g/Kg; New wind operating mode: dry-bulb temperature: 35 DEG C, wet-bulb temperature: 28 DEG C, water capacity: 21.8g/Kg; Require: air quantity is: 85000m3/h, and new wind is 10%; Margin blast pressure: 700Pa, refrigerating capacity: 561kw, electrical heating amount: 180KW, electrode adds moisture: 45kg/h.
The processing procedure of air-treatment unit 100 is as follows: return air is 76500m3/h, and return air is operating mode after surface cooler process: dry-bulb temperature: 14.7 DEG C, wet-bulb temperature: 13.9 DEG C, water capacity: 9.6g/Kg, the cold herein processed is: 425KW; New wind, through filtration treatment, mixes rear operating mode: dry-bulb temperature: 16.7 DEG C, wet-bulb temperature: 15.8 DEG C, water capacity: 10.82g/Kg with return air; Because customer requirement arrives constant temperature and humidity effect, therefore air needs heat temperature raising and add wet process after surface cooler, can know by calculating: mixed air also need to increase 112KW add heat and 10.8Kg/h add moisture after could meet customer requirement.
Above data analysis can be known, the cold saving (561-425=) 136KW at the cold place of table with the constant temperature and humidity unit of fresh air treatment system drops into, the heat saving (180-112=) 68KW in bringing-up section drops into, the moisture saving (45-11=) 34Kg/h at humidifier section drops into, by calculating, the energy that can reach about about 30% is saved, therefore whole system can save larger energy loss, meets the effect of efficient energy-saving.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an air-treatment unit, is characterized in that: comprise and draw together constant temperature and humidity assembly (1) and new wind bypass assembly (2);
Described constant temperature and humidity assembly (1) comprises the first housing (101), the first air mixing channel (11), surface cooler (12), the second air mixing channel (13), heater (14), damping device (15) and air-supply passage (16); Described first air mixing channel (11), surface cooler (12), the second air mixing channel (13), heater (14), damping device (15) and air-supply passage (16) are arranged in described first housing (101) in turn;
Described new wind bypass assembly (2) comprises the second housing (102), new wind passage; Described new wind channel setting is in described second housing (102);
Also comprise the new air-valve (103) by described first air mixing channel (11) and described new wind channel connection or disconnection;
Also comprise the mixer selector valve (104) by described second air mixing channel (13) and described new wind channel connection or disconnection.
2. a kind of air-treatment unit according to claim 1, is characterized in that: described new wind bypass assembly (2) also comprises the second filter (21); Described second filter (21) arranges the middle part of described new wind passage, and described new wind passage is divided into analog channel (22) and rearmounted passage (23); Described new air-valve (103) is communicated with or disconnects described first air mixing channel (11) and analog channel (22); Described mixer selector valve (104) is communicated with or disconnects described second air mixing channel (13) and rearmounted passage (23).
3. a kind of air-treatment unit according to claim 2, is characterized in that: described constant temperature and humidity assembly (1) also comprises the first filter (18); Described first filter (18) is arranged between described first air mixing channel (11) and described surface cooler (12).
4. a kind of air-treatment unit according to claim 3, is characterized in that: described first air mixing channel (11), the first filter (18), surface cooler (12), the second air mixing channel (13), heater (14), damping device (15) and air-supply passage (16) are arranged in turn along the air-flow direction in described first casing.
5. a kind of air-treatment unit according to claim 3, is characterized in that: described first filter (18) and described second filter (21) are air cleaner.
6. a kind of air-treatment unit according to claim 3, is characterized in that: described heater (14) is electric heating part.
7. a kind of air-treatment unit according to claim 3, is characterized in that: described constant temperature and humidity assembly (1) also comprises blower fan (17); Described blower fan (17) is located in described air-supply passage (16).
8. a kind of air-treatment unit according to any one of claim 1 to 7, is characterized in that: also comprise controller; Described controller is for controlling described new air-valve (103), the unlatching of mixer selector valve (104) or cut out.
9. the control method of air-treatment unit as described in any one of claim 1 to 8, is characterized in that: the size according to indoor humidity and setting humidity compares employing following steps:
When indoor humidity is lower than setting humidity, controller controls described mixer selector valve (104) cut out, described new air-valve (103) is opened, and described air-treatment unit runs; Described air-treatment unit runs, and described indoor humidity continues lower than described setting humidity after 5 to 20 seconds, and described controller controls described damping device (15) and opens humidification;
When indoor humidity is higher than setting humidity, described controller controls described damping device (15) and stops humidification, and described air-treatment unit runs; Described air-treatment unit runs, and described indoor humidity continues higher than described setting humidity after 5 to 20 seconds, then described controller controls that described mixer selector valve (104) is opened, described new air-valve (103) cuts out.
10. the control method of a kind of air-treatment unit according to claim 9, is characterized in that: also compare employing following steps according to the size of Indoor Temperature and design temperature:
When indoor temperature is lower than design temperature, described controller controls described electrical heating and opens, otherwise then described controller controls described electrical heating cut out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188061.XA CN104791926B (en) | 2015-04-20 | 2015-04-20 | A kind of air-treatment unit and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188061.XA CN104791926B (en) | 2015-04-20 | 2015-04-20 | A kind of air-treatment unit and its control method |
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| Publication Number | Publication Date |
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| CN104791926A true CN104791926A (en) | 2015-07-22 |
| CN104791926B CN104791926B (en) | 2018-11-30 |
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| CN201510188061.XA Active CN104791926B (en) | 2015-04-20 | 2015-04-20 | A kind of air-treatment unit and its control method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180317A (en) * | 2015-08-06 | 2015-12-23 | 南京工业大学 | Fresh air energy-saving processing system and method in temperature and humidity independent processing air conditioning system |
| CN105588288A (en) * | 2016-02-28 | 2016-05-18 | 广州市设计院 | Temperature control device controlling opening degree limit of water valve according to supply air volume for fan coil |
| CN105588289A (en) * | 2016-02-28 | 2016-05-18 | 广州市设计院 | Temperature control device controlling opening degree limit of water valve according to return air temperature for air processor |
| CN105588209A (en) * | 2016-02-28 | 2016-05-18 | 广州市设计院 | Temperature control device controlling opening degree limit of water valve according to supply air volume for air processor |
| CN111380117A (en) * | 2020-03-27 | 2020-07-07 | 杭州圣瑞思电器有限公司 | Internal circulation constant humidity machine |
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| CN201740130U (en) * | 2010-07-23 | 2011-02-09 | 广州同方瑞风空调有限公司 | Temperature and humidity independent control type air-conditioning unit |
| CN202561923U (en) * | 2012-02-28 | 2012-11-28 | 广州捷达莱堡通用设备有限公司 | Improved energy-saving constant-temperature constant-humidity purifying air-conditioning set |
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| EP0294730A2 (en) * | 1987-06-08 | 1988-12-14 | HANSA VENTILATOREN UND MASCHINENBAU NEUMANN GMBH & CO. KG | Ventilation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105180317A (en) * | 2015-08-06 | 2015-12-23 | 南京工业大学 | Fresh air energy-saving processing system and method in temperature and humidity independent processing air conditioning system |
| CN105180317B (en) * | 2015-08-06 | 2017-10-17 | 南京工业大学 | Fresh air energy-saving processing system and method in temperature and humidity independent processing air conditioning system |
| CN105588288A (en) * | 2016-02-28 | 2016-05-18 | 广州市设计院 | Temperature control device controlling opening degree limit of water valve according to supply air volume for fan coil |
| CN105588289A (en) * | 2016-02-28 | 2016-05-18 | 广州市设计院 | Temperature control device controlling opening degree limit of water valve according to return air temperature for air processor |
| CN105588209A (en) * | 2016-02-28 | 2016-05-18 | 广州市设计院 | Temperature control device controlling opening degree limit of water valve according to supply air volume for air processor |
| CN111380117A (en) * | 2020-03-27 | 2020-07-07 | 杭州圣瑞思电器有限公司 | Internal circulation constant humidity machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104791926B (en) | 2018-11-30 |
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