CN110345612A - The frost protection of fresh air host mixes wind power-economizing method - Google Patents
The frost protection of fresh air host mixes wind power-economizing method Download PDFInfo
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- CN110345612A CN110345612A CN201910527368.6A CN201910527368A CN110345612A CN 110345612 A CN110345612 A CN 110345612A CN 201910527368 A CN201910527368 A CN 201910527368A CN 110345612 A CN110345612 A CN 110345612A
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F2110/12—Temperature of the outside air
-
- 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
- F24F2110/22—Humidity of the outside air
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- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
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Abstract
The invention discloses a kind of frost protections of fresh air host to mix wind power-economizing method, includes the following steps: to detect outdoor air Current Temperatures by Temperature Humidity Sensor；Outer circulation mode: when outdoor temperature is preference temperature, open outer circulation mode, air-valve state: air-valve is opened at the second fresh wind port, and air-valve is closed at the second return air inlet, and fresh-air fan and exhaust fan are opened；Mixed wind mode: when outdoor temperature is lower temperature, open mixed wind mode, air-valve state: air-valve is opened at the second fresh wind port, and air-valve is opened at the second return air inlet, and fresh-air fan and exhaust fan are opened；Interior circulation pattern: when outdoor temperature is unusual chilling temperatures or when very hot temperature, circulation pattern in opening, air-valve state: air-valve is closed at the second fresh wind port, air-valve is opened at second return air inlet, fresh-air fan is opened, and exhaust fan is closed, and the present invention changes operating mode in real time, so that fresh air host is prevented frost, and guarantees that indoor air temperature is comfortable.
Description
Technical field
The invention belongs to the fresh air supply method field of fresh air host, more specifically to a kind of frost prevention of fresh air host
Freeze mixed wind power-economizing method.
Background technique
Fresh air host currently on the market includes chassis shell body, Total heat exchange core, control device, fresh-air fan, air draft
Blower, fresh wind port, exhaust outlet, return air inlet and air outlet, such as application No. is 2018203884671 to disclose a kind of Total heat exchange
Machine device, Total heat exchange core are set in chassis shell body, and chassis shell body is divided into four regions by Total heat exchange core, full heat
Four exchange sides of exchange core are respectively communicated with a region；Fresh wind port and exhaust outlet are set to the side of chassis shell body, return
Air port and air outlet are set to the other side of chassis shell body；Fresh wind port, exhaust outlet, return air inlet and air outlet respectively correspond four
Region；Exhaust fan is connected to exhaust outlet, and fresh-air fan is connected to air outlet；Control device is set in chassis shell body, no matter indoor
Air discharge or outdoor air enter the room by Total heat exchange core, to realize heat exchange here, so that into room
Interior fresh air is capable of the heat of receiving portion discharge air.
But it in the northern areas of severe cold, is run at 0 DEG C or less, outdoor fresh air, which is directly entered in host, to condense, Er Qiehui
Fresh air host is set to freeze, to damage host.Also many fresh air producers increase antifreeze behave in Xingfeng capsule program, such as
Increase outdoor temperature detection, when outdoor temperature is lower than 0 DEG C, directly closes fresh air.But it is several in 0 DEG C of northern areas of winter or less
It is normality, if directly closing fresh air, that just loses the meaning of installation fresh-air fan.It is damp and hot in summer height simultaneously
Under environment, when outdoor temperature is higher than 36 DEG C or humidity is higher than 85%, if always on fresh air, indoor temperature can be made
Degree and humidity are higher and higher, and excessively high humidity can also make indoor furniture generate mildew.
Summary of the invention
In view of the deficiencies of the prior art, fresh air master is adjusted according to outdoor temperature and humidity in time the present invention provides a kind of
The working condition of machine works so that fresh air host is in always under normal temperature condition, avoids its inner icing, and guarantee
To the suitable fresh air of indoor offer.
To achieve the above object, the present invention provides the following technical scheme that a kind of frost protection of fresh air host mixes wind energy conservation
Method includes the following steps:
Outdoor air Current Temperatures are detected by Temperature Humidity Sensor, the operating mode of fresh air host is selected according to outdoor temperature；
1) when outdoor temperature is preference temperature, outer circulation mode, air-valve state: at the second fresh wind port outer circulation mode: are opened
Air-valve is opened, and air-valve is closed at the second return air inlet, and fresh-air fan and exhaust fan are opened；
2) it mixes wind mode: when outdoor temperature is lower temperature, opening mixed wind mode, air-valve state: air-valve at the second fresh wind port
It opens, air-valve is opened at the second return air inlet, and fresh-air fan and exhaust fan are opened；
3) circulation pattern in: when circulation pattern in outdoor temperature is unusual chilling temperatures or when very hot temperature, opens, air-valve shape
State: air-valve is closed at the second fresh wind port, and air-valve is opened at the second return air inlet, and fresh-air fan is opened, and exhaust fan is closed.
The further preference temperature is Wen Du≤36 DEG C outside 0 DEG C < room；Lower temperature is -15 DEG C≤outdoor temperature
≦0℃；Very chilling temperatures are < -15 DEG C；Very hot temperature is > 36 DEG C.
The operating mode that fresh air host is further selected according to outside humidity, works as outside humidity > 85%, opens mixed wind mould
Formula.
Further in mixed wind mode, pressed according to air-valve at the second return air inlet of outdoor temperature with air-valve at the second fresh wind port
Following ratio is opened:
1) outside -3 DEG C≤room when Wen Du≤0 DEG C, air-valve is opened in 5:5 ratio at air-valve and the second fresh wind port at the second return air inlet；
2) when -6 DEG C≤outdoor temperature < -3 DEG C, air-valve is opened in 6:4 ratio at air-valve and the second fresh wind port at the second return air inlet；
3) when -9 DEG C≤outdoor temperature < -6 DEG C, air-valve is opened in 7:3 ratio at air-valve and the second fresh wind port at the second return air inlet；
4) when -12 DEG C≤outdoor temperature < -9 DEG C, air-valve is opened in 8:2 ratio at air-valve and the second fresh wind port at the second return air inlet；
5) when -15 DEG C≤outdoor temperature < -12 DEG C, air-valve is beaten in 9:1 ratio at air-valve and the second fresh wind port at the second return air inlet
It opens.
Further in mixed wind mode, pressed according to air-valve at the second return air inlet of outside humidity with air-valve at the second fresh wind port
Following ratio is opened: when outside humidity > 85%, air-valve is beaten in 9:2 ratio at air-valve and the second fresh wind port at the second return air inlet
It opens.
Further in interior circulation pattern, interior circulation is opened 1 hour, is opened at the second fresh wind port air-valve 5 minutes.
Compared with prior art, the beneficial effects of the present invention are: at -15 DEG C~-0 DEG C, at the second fresh wind port air-valve with
Air-valve is opened according to a certain percentage at second return air inlet, the indoor return air of the outdoor fresh air and high temperature of low temperature is entered mixed
It closes, it is ensured that into the new air temperature in fresh air host at 0 DEG C or more, thus fresh air host can be made -15 DEG C~-0
DEG C when can operate normally.At -15 DEG C or less or 36 DEG C or more, interior circulation pattern is opened, interior circulation is opened 1 hour, can be certainly
It is dynamic to open at the second fresh wind port air-valve 5 minutes, to guarantee the oxygen content of room air, while the heat exchanger effectiveness of host is improved,
The load in family using air-conditioning is reduced, energy-efficient effect is reached.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the frost protection air mixing device for the fresh air host that the present invention uses；
Fig. 2 is the top view of the frost protection air mixing device for the fresh air host that the present invention uses；
Fig. 3 is structural schematic diagram seperated before the fresh air host that the present invention uses cooperates with frost protection air mixing device；
Fig. 4 is air-supply and air draft wind path when outdoor temperature is more suitable for；
It blows and air draft wind path when Fig. 5 is lower for outdoor temperature or when humidity is larger；
Fig. 6 is air-supply and air draft wind path when outdoor temperature is too low or excessively high.
Appended drawing reference: 1, air mixing device；10, second shell；101, air draft chamber；102, wind chamber is mixed；103, cover board；11,
Two fresh wind ports；12, the second exhaust outlet；13, the second air draft interface；14, the second fresh air interface；15, wind fan is mixed；16, second time
Air port；17, air-valve；18, skirt；19, Temperature Humidity Sensor；2, fresh air host；21, the first fresh wind port；22, the first exhaust outlet；
23, the first air outlet；24, the first return air inlet；25, Total heat exchange core；3, absorb water strainer.
Specific embodiment
The embodiment for mixing wind power-economizing method referring to figs. 1 to frost protection of the Fig. 6 to fresh air host of the present invention is described further.
In the description of the present invention, it should be noted that " laterally (X) ", " vertical if any term " center " for the noun of locality
To (Y) ", " vertical (Z) ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The indicating positions such as "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship is based on attached drawing institutes
The orientation or positional relationship shown is merely for convenience of the narration present invention and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and be operated with particular orientation, should not be understood as limiting specific guarantor of the invention
Protect range.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include
One or more this feature, in the present description, " several ", " several " are meant that two or more, unless separately
There is clearly specific restriction.
As shown in Figure 1 to Figure 3, frost protection air mixing device, including second shell 10 are provided with partition in second shell 10,
10 inside division of second shell is in air-inlet cavity and air draft chamber 101 by partition, and the second shell 10 corresponds on the side wall of air-inlet cavity
It is provided with the second fresh wind port 11, the second fresh air interface 14 and the second return air inlet 16, the corresponding air draft chamber 101 of the second shell 10
It is provided with the second exhaust outlet 12 and the second air draft interface 13 on side wall, is all provided on second fresh wind port 11 and the second return air inlet 16
It is equipped with air-valve 17, the second shell 10 corresponds to and is provided with Temperature Humidity Sensor 19 at the second fresh wind port 11, outside real-time detection room
The temperature and humidity of air.
For convenience of the present invention is understood, distinguished with the name structure of the application, by 2 structure of fresh air host in the prior art
It is respectively designated as first shell, Total heat exchange core 25, control device, fresh-air fan, exhaust fan, the first fresh wind port 21,
One exhaust outlet 22, the first return air inlet 24 and the first air outlet 23.
Air mixing device 1 is connect with fresh air host 2 when use, a new fresh air host 2, specific connection type is integrally formed
Are as follows: the second fresh air interface 14 is connect with the first fresh wind port 21, the second air draft interface 13 is connect with the first exhaust outlet 22, and makes
Two return air inlets 16 are connected to interior.
During installation, air mixing device 1 can both be directly connected to installation indoors with fresh air host 2, at this time the second fresh wind port
11 and second exhaust outlet 12 outdoor is connected to by pipeline；Air mixing device 1 can also be arranged in outdoor, at this time the second return air inlet
16 are connected to interior by pipeline.
Water suction strainer 3 is provided in air-inlet cavity at corresponding second fresh air interface 14, absorb water strainer and the second fresh wind port 11, the
Two return air inlets 16 surround a mixed wind chamber 102；It is provided with mixed wind fan 15 in the corresponding mixed wind chamber 102 of the shell, mixes wind fan 15
It can accelerate being uniformly mixed for fresh air and return air.
The second fresh air interface 14 and the second air draft interface 13 are located at the same side of second shell 10, and second shell 10
This corresponding side is provided with the skirt 18 connecting with fresh air host 2, and skirt 18 is connect with 2 screw of fresh air host.
Water suction strainer is detachably connected with second shell 10, is offered and is taken at corresponding water suction strainer in the second shell 10
Mouth is decontroled, 10 internal stretch of second shell is provided with slideway along opening is picked and placed, water suction strainer 3 is installed in slideway, second
The corresponding opening that picks and places of shell is provided with cover board 103.
As shown in Figures 4 to 6, a kind of frost protection of fresh air host 2 mixes wind power-economizing method, includes the following steps:
Outdoor air Current Temperatures are detected by Temperature Humidity Sensor 19, the Working mould of fresh air host 2 is selected according to outdoor temperature
Formula；
1) when outdoor temperature is preference temperature, outer circulation mode, 17 state of air-valve: the second fresh wind port outer circulation mode: are opened
Air-valve 17 is opened at 11, and air-valve 17 is closed at the second return air inlet 16, and fresh-air fan and exhaust fan are opened, as shown in Figure 4, this
Shi Xinfeng is entered the room through wind path a, and indoor air is discharged through wind path b；
2) it mixes wind mode: when outdoor temperature is lower temperature, opening mixed wind mode, 17 state of air-valve: at the second fresh wind port 11
Air-valve 17 is opened, and air-valve 17 is opened at the second return air inlet 16, and fresh-air fan and exhaust fan are opened, as shown in figure 5, outdoor fresh air
By the second fresh wind port 11 enter air-inlet cavity, while indoor partial air through the second return air inlet 16(wind path c) enter air-inlet cavity with
Wind path a merges, and finally enters the room through wind path a, indoor partial air is discharged through wind path b；
3) circulation pattern in: when circulation pattern in outdoor temperature is unusual chilling temperatures or when very hot temperature, opens, air-valve 17
State: air-valve 17 is closed at the second fresh wind port 11, and air-valve 17 is opened at the second return air inlet 16, and fresh-air fan is opened, exhaust fan
It closes, merges as shown in fig. 6, indoor air enters air-inlet cavity through the second return air inlet 16(wind path c) with wind path a, finally through wind
Road a is entered the room, and stops air draft.
Preferably the preference temperature is the present embodiment, Wen Du≤36 DEG C outside 0 DEG C < room；Lower temperature is -15 DEG C≤room
Outer Wen Du≤0 DEG C；Very chilling temperatures are < -15 DEG C；Very hot temperature is > 36 DEG C, this temperature range range can be finely adjusted,
It floats up and down 2-3 DEG C.
The present embodiment preferably selects the operating mode of fresh air host 2 according to outside humidity, works as outside humidity > 85%, opens
Mixed wind mode.
The present embodiment is preferably in mixed wind mode, according to air-valve 17 and the second fresh air at the second return air inlet of outdoor temperature 16
Air-valve 17 is opened in following ratio at mouth 11:
1) outside -3 DEG C≤room when Wen Du≤0 DEG C, air-valve 17 presses 5:5 ratio at air-valve 17 and the second fresh wind port 11 at the second return air inlet 16
Example is opened；
2) when -6 DEG C≤outdoor temperature < -3 DEG C, air-valve 17 presses 6:4 ratio at air-valve 17 and the second fresh wind port 11 at the second return air inlet 16
Example is opened；
3) when -9 DEG C≤outdoor temperature < -6 DEG C, air-valve 17 presses 7:3 ratio at air-valve 17 and the second fresh wind port 11 at the second return air inlet 16
Example is opened；
4) when -12 DEG C≤outdoor temperature < -9 DEG C, air-valve 17 presses 8:2 at air-valve 17 and the second fresh wind port 11 at the second return air inlet 16
Ratio is opened；
5) when -15 DEG C≤outdoor temperature < -12 DEG C, air-valve 17 presses 9:1 at air-valve 17 and the second fresh wind port 11 at the second return air inlet 16
Ratio is opened.
The present embodiment is preferably in mixed wind mode, according to air-valve 17 and the second fresh air at the second return air inlet of outside humidity 16
Air-valve 17 is by following ratio opening at mouthfuls 11: when outside humidity > 85%, air-valve 17 and the second fresh wind port at the second return air inlet 16
Air-valve 17 is opened in 9:2 ratio at 11.
The present embodiment preferably in interior circulation pattern, open 1 hour by interior circulation, opens air-valve at the second fresh wind port 11
175 minutes to indoor supplement oxygen content.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of frost protection of fresh air host mixes wind power-economizing method, which comprises the steps of:
Outdoor air Current Temperatures are detected by Temperature Humidity Sensor, the operating mode of fresh air host is selected according to outdoor temperature；
1) when outdoor temperature is preference temperature, outer circulation mode, air-valve state: at the second fresh wind port outer circulation mode: are opened
Air-valve is opened, and air-valve is closed at the second return air inlet, and fresh-air fan and exhaust fan are opened；
2) it mixes wind mode: when outdoor temperature is lower temperature, opening mixed wind mode, air-valve state: air-valve at the second fresh wind port
It opens, air-valve is opened at the second return air inlet, and fresh-air fan and exhaust fan are opened；
3) circulation pattern in: when circulation pattern in outdoor temperature is unusual chilling temperatures or when very hot temperature, opens, air-valve shape
State: air-valve is closed at the second fresh wind port, and air-valve is opened at the second return air inlet, and fresh-air fan is opened, and exhaust fan is closed.
2. the frost protection of fresh air host according to claim 1 mixes wind power-economizing method, it is characterised in that: the preference temperature
For Wen Du≤36 DEG C outside 0 DEG C < room；Lower temperature is Wen Du≤0 DEG C outside -15 DEG C≤room；Very chilling temperatures are < -15 DEG C；It is non-
Normal hot temperature is > 36 DEG C.
3. the frost protection of fresh air host according to claim 2 mixes wind power-economizing method, it is characterised in that: according to outside humidity
The operating mode for selecting fresh air host works as outside humidity > 85%, opens mixed wind mode.
4. the frost protection of fresh air host according to claim 3 mixes wind power-economizing method, it is characterised in that: in mixed wind mode
In, it is opened according to air-valve at air-valve at the second return air inlet of outdoor temperature and the second fresh wind port in following ratio:
1) outside -3 DEG C≤room when Wen Du≤0 DEG C, air-valve is opened in 5:5 ratio at air-valve and the second fresh wind port at the second return air inlet；
2) when -6 DEG C≤outdoor temperature < -3 DEG C, air-valve is opened in 6:4 ratio at air-valve and the second fresh wind port at the second return air inlet；
3) when -9 DEG C≤outdoor temperature < -6 DEG C, air-valve is opened in 7:3 ratio at air-valve and the second fresh wind port at the second return air inlet；
4) when -12 DEG C≤outdoor temperature < -9 DEG C, air-valve is opened in 8:2 ratio at air-valve and the second fresh wind port at the second return air inlet；
5) when -15 DEG C≤outdoor temperature < -12 DEG C, air-valve is beaten in 9:1 ratio at air-valve and the second fresh wind port at the second return air inlet
It opens.
5. the frost protection of fresh air host according to claim 4 mixes wind power-economizing method, it is characterised in that: in mixed wind mode
In, opened according to air-valve at air-valve at the second return air inlet of outside humidity and the second fresh wind port in following ratio: work as outside humidity >
When 85%, air-valve is opened in 9:2 ratio at air-valve and the second fresh wind port at the second return air inlet.
6. the frost protection of fresh air host according to claim 5 mixes wind power-economizing method, it is characterised in that: in interior circulation pattern
In, interior circulation is opened 1 hour, is opened at the second fresh wind port air-valve 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910527368.6A CN110345612B (en) | 2019-06-18 | 2019-06-18 | Frost-prevention air-mixing energy-saving method for fresh air main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910527368.6A CN110345612B (en) | 2019-06-18 | 2019-06-18 | Frost-prevention air-mixing energy-saving method for fresh air main unit |
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| CN110345612A true CN110345612A (en) | 2019-10-18 |
| CN110345612B CN110345612B (en) | 2020-11-13 |
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| CN113418252A (en) * | 2021-06-30 | 2021-09-21 | 深圳市英维克科技股份有限公司 | Indoor environment temperature adjusting device, control method thereof, computer device, and medium |
| CN113418253A (en) * | 2021-06-30 | 2021-09-21 | 深圳市英维克科技股份有限公司 | Indoor environment temperature adjusting device, control method, computer device and medium |
| CN113587530A (en) * | 2021-08-12 | 2021-11-02 | 澳蓝（福建）实业有限公司 | Defrosting method for indirect evaporation heat exchange core of data center |
| CN114484836A (en) * | 2022-03-02 | 2022-05-13 | 青岛海信日立空调系统有限公司 | Total heat exchanger |
| CN114576767A (en) * | 2022-01-27 | 2022-06-03 | 赫为科技有限公司 | Indoor environment control device and control system |
| CN112797493B (en) * | 2021-01-13 | 2023-12-22 | 青岛海信日立空调系统有限公司 | Fresh air conditioner and control method thereof |
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| CN112797493B (en) * | 2021-01-13 | 2023-12-22 | 青岛海信日立空调系统有限公司 | Fresh air conditioner and control method thereof |
| CN113418252A (en) * | 2021-06-30 | 2021-09-21 | 深圳市英维克科技股份有限公司 | Indoor environment temperature adjusting device, control method thereof, computer device, and medium |
| CN113418253A (en) * | 2021-06-30 | 2021-09-21 | 深圳市英维克科技股份有限公司 | Indoor environment temperature adjusting device, control method, computer device and medium |
| CN113418253B (en) * | 2021-06-30 | 2023-02-24 | 深圳市英维克科技股份有限公司 | Indoor environment temperature adjusting device, control method, computer device and medium |
| CN113587530A (en) * | 2021-08-12 | 2021-11-02 | 澳蓝（福建）实业有限公司 | Defrosting method for indirect evaporation heat exchange core of data center |
| CN114576767A (en) * | 2022-01-27 | 2022-06-03 | 赫为科技有限公司 | Indoor environment control device and control system |
| CN114484836A (en) * | 2022-03-02 | 2022-05-13 | 青岛海信日立空调系统有限公司 | Total heat exchanger |
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