CN110425665A - A kind of air-conditioner control system and its control method - Google Patents
A kind of air-conditioner control system and its control method Download PDFInfo
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- CN110425665A CN110425665A CN201910525769.8A CN201910525769A CN110425665A CN 110425665 A CN110425665 A CN 110425665A CN 201910525769 A CN201910525769 A CN 201910525769A CN 110425665 A CN110425665 A CN 110425665A
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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
- 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
-
- 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
- F24F13/02—Ducting arrangements
- F24F13/04—Air-mixing units
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
-
- 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
- F24F7/007—Ventilation with forced flow
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air-conditioner control system and its control methods, including cabinet and the air duct, blower, control system, heat-pipe refrigerating system and the mechanical refrigeration system that are set in cabinet；It is entered the wind along fresh air to the direction of fresh air outlet air in the cabinet and is disposed with air inlet valve, filtering area, the first heat pipe heat exchanging section, the area new return air Hun Feng, the first mechanical refrigeration heat exchanging segment and blow zones；The new return air mixed zone is provided with the first air returning valve and mixer selector valve；Dew point temperature sensor and return air temperature sensor are provided on the cabinet, the dew point temperature sensor and return air temperature sensor are connected to control system；First air returning valve and mixer selector valve are connected to control system；Air-conditioner control system provided by the invention and its control method acquire environmental working condition by dew point temperature sensor and return air temperature sensor, change the operating mode of air-conditioner control system, to improve air-conditioner control system in the adaptability of different temperatures humidity environment.
Description
Technical field
The present invention relates to air conditioner technical field, in particular to a kind of air-conditioner control system and its control method.
Background technique
Currently, Evaporative Cooling Air Conditioning is widely used in industrial circle, Evaporative Cooling Air Conditioning is medium using water, to air into
Row pre-cooling cooling, energy-saving effect and economic effect are preferable.
However existing Evaporative Cooling Air Conditioning is in use, having some limitations property: 1, can not apply in full season；
2, it can not be applied in damp-heat area；3, as the wet-bulb temperature of outdoor fresh air changes, the limited, humidity load that cools down increases, can not
It realizes energy conservation and is unable to satisfy air conditioning comfortableness effect.
As it can be seen that the prior art could be improved and improve.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of air-conditioner control system and its controls
Method processed acquires environmental working condition by dew point temperature sensor and return air temperature sensor, changes the work of air-conditioner control system
Mode, to improve air-conditioner control system in the adaptability of Various Seasonal and different temperatures humidity environment.
In order to achieve the above object, this invention takes following technical schemes:
A kind of air-conditioner control system, including cabinet and the air duct being set in cabinet, blower, control system, heat-pipe refrigerating system
And mechanical refrigeration system, in the cabinet along fresh air air inlet to the direction of fresh air outlet air be disposed with air inlet valve, filtering area,
First heat pipe heat exchanging section, the area new return air Hun Feng, the first mechanical refrigeration heat exchanging segment and blow zones；The new return air mixed zone is provided with
First air returning valve and mixer selector valve for mixing indoor return air and fresh air；It is provided on the cabinet for detecting new air temperature
Dew point temperature sensor and return air temperature sensor for detecting return air temperature, the dew point temperature sensor and return air temperature
Sensor is connected to control system；First air returning valve and mixer selector valve are connected to control system.
It further include exhaust zone and the second air returning valve for being set to exhaust zone, indoor return air in the air-conditioner control system
Heat exchange is carried out in exhaust zone with the second heat pipe heat exchanging section；Second air returning valve is connected to control system；First heat pipe
Heat exchanging segment and the second heat pipe heat exchanging section pass through pipeline connection.
In the air-conditioner control system, range of atomization, the atomization are additionally provided on front side of the first heat pipe heat exchanging section
Area includes several atomizers being uniformly arranged, spray direction the first heat pipe heat exchanging section of direction of the atomizer.
In the air-conditioner control system, flowing has heat transferring medium in the pipeline, and the heat transferring medium is water or fluorine benefit
High refrigerant.
The present invention further correspondingly provides a kind of control method based on above-mentioned air-conditioner control system, comprising the following steps:
S100, control system require T0/r0 to calculate dew-point temperature required value T1, control system setting according to indoor temperature and humidity control
Dew-point temperature required precision is ± t；
S200, dew point temperature sensor and return air temperature sensor acquire environmental working condition；
S300, the dew-point temperature required value T1 for comparing dew point temperature sensor new air temperature T2 collected and being calculated；
S400, as T3 < T2 < T1+t, control system controls air inlet valve and opens, and mixer selector valve and the first air returning valve are closed, machinery system
Cooling system is closed, and fresh air is after filtering area and heat-pipe refrigerating system to indoor air-supply；At this point, air-conditioner control system is in completely new
Wind mode；
As T0 > T2 > T1+t, control system controls air inlet valve, mixer selector valve and the first air returning valve and opens, according to comparison result, control
System processed carries out aperture regulation to air inlet valve and the first air returning valve, carries out proportion adjustment to mixer selector valve；Fresh air is successively by filtering
Air-supply is realized after area, heat-pipe refrigerating system, new return air mixed zone and mechanical refrigeration system；At this point, air-conditioner control system was in
Cross season mode；
As T2 > T0, control system controls air inlet valve, mixer selector valve and the first air returning valve are opened, and control system is to air inlet valve and the
One air returning valve carries out aperture regulation, carries out proportion adjustment to mixer selector valve；Fresh air successively passes through filtering area, heat-pipe refrigerating system, new
Air-supply is realized behind return air mixed zone and mechanical refrigeration system；At this point, air-conditioner control system is in summer mode；
As T2 < T3, control system air inlet valve, mixer selector valve and the first air returning valve are opened, and control system is to air inlet valve and first time
Air-valve carries out aperture regulation, carries out proportion adjustment to mixer selector valve；Fresh air successively passes through filtering area, heat-pipe refrigerating system, new return air
Air-supply is realized behind mixed zone and mechanical refrigeration system；At this point, air-conditioner control system is in winter mode；The T3 is control system
The temperature value that the winter mode of setting is opened.
Beneficial effect
Compared with prior art, it the present invention provides a kind of air-conditioner control system and its control method, has the advantage that
(1) environmental working condition is acquired by dew point temperature sensor and return air temperature sensor, control system is collected data and carried out
Processing changes the operating mode of air-conditioner control system according to processing result, not improve air-conditioner control system in Various Seasonal and not
The adaptability of synthermal humidity environment；
It (2), can be according to the work of air-conditioner control system including heat-pipe refrigerating system and mechanical refrigeration system in air-conditioner control system
The input amount of model selection mechanical refrigeration system reduces the access times of mechanical refrigeration system, reaches energy-saving effect；In addition, hot
Control cooling system is first once cooled down to fresh air or primary heating, can reduce the workload of mechanical refrigeration system；
(3) all-fresh air mode is introduced, being cooled down without mechanical refrigeration system to fresh air or being heated can blow；And other modes
Under, new air temperature and return air temperature are compared, control system controls the input amount of mechanical refrigeration system, reduces mechanical refrigeration system
Access times and use the time, reach energy-saving effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air-conditioner control system provided by the invention；
Fig. 2 is the structural schematic diagram of winter spatiotemporal database system provided by the invention；
Fig. 3 is the logical flow chart of air conditioning control method provided by the invention.
In the accompanying drawings, each label respectively represents: 1 air inlet valve, 2 filtering areas, 3 ranges of atomization, 41 first heat pipe heat exchanging sections, 42
Two heat pipe heat exchanging sections, 5 new return air mixed zones, 51 first air returning valves, 52 mixer selector valves, 61 first mechanical refrigeration heat exchanging segments, 62 second
Mechanical refrigeration heat exchanging segment, 7 blow zones, 8 exhaust zones, 81 second air returning valves, 9 blowers.
Specific embodiment
The present invention provides a kind of air-conditioner control system and its control method, for make the purpose of the present invention, technical solution and
Effect is clearer, clear, and invention is further described in detail as follows in conjunction with drawings and embodiments.It should be understood that
It is that described herein specific examples are only used to explain the present invention, is not intended to limit the present invention.
In the description of the present invention, it is to be understood that, the orientation or positional relationship of the instructions such as term " front side " is this hair
The bright orientation or positional relationship based on attached drawing, is merely for convenience of description of the present invention and simplification of the description.In addition, term " first ",
It is special that " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of sign.
Referring to Fig. 1, the present invention provides a kind of air-conditioner control system and its control method, including cabinet and it is set to machine
Air duct, blower 9, control system, heat-pipe refrigerating system and mechanical refrigeration system in case, the cabinet is interior to be arrived along fresh air air inlet
The direction of fresh air outlet air is disposed with air inlet valve 1, filtering area 2, the first heat pipe heat exchanging section 41, the area 5 new return air Hun Feng, the first machine
Tool cooling heat exchange section 61 and blow zones 7；The new return air mixed zone 5 is provided with the first air returning valve 51 and for mixing indoor return air
With the mixer selector valve 52 of fresh air；The dew point temperature sensor (not shown) for detecting new air temperature is provided on the cabinet
With the return air temperature sensor (not shown) for detecting return air temperature, the dew point temperature sensor and return air temperature are passed
Sensor is connected to control system；First air returning valve and mixer selector valve are connected to control system.
In the present embodiment, the control system can be, but not limited to be PLC control system；The control system collects
Dew point temperature sensor and return air temperature sensor environmental working condition information collected, and it is compared processing, it obtains a result simultaneously
The control instruction performed the next step；The control system can control mixer selector valve to carry out proportion adjustment, and controllable first air returning valve
Aperture.
In addition, in the present embodiment, the filtering area includes filter screen, the filter screen is divided into three layers, including is used for
First filter screen of large dust particle and insect in air filtering, it is tiny micro- for the second filter screen of air cleaning and for filtering
The third filter screen of grain.
It, can be according to air-conditioning control including heat-pipe refrigerating system and mechanical refrigeration system in air-conditioner control system provided by the invention
The input amount of the operating mode selection mechanical refrigeration system of system processed, reduces the access times of mechanical refrigeration system, reaches energy conservation
Effect；In addition, heat-pipe refrigerating system is first once cooled down to fresh air or primary heating, the work of mechanical refrigeration system can be reduced
Amount.
Further, the air-conditioner control system further includes exhaust zone 8 and the second air returning valve 81 for being set to exhaust zone 8,
Indoor return air and the second heat pipe heat exchanging section are in exhaust zone progress heat exchange；Second air returning valve is connected to control system, described
Control system can control the aperture of the second air returning valve；The first heat pipe heat exchanging section and the second heat pipe heat exchanging section are connected by pipeline
It is logical.
Further, the front side of the first heat pipe heat exchanging section 41 is additionally provided with range of atomization 3, if the range of atomization 3 includes
The dry atomizer being uniformly arranged, spray direction the first heat pipe heat exchanging section 41 of direction of the atomizer；In the present embodiment,
The atomizer be small-power rotary low-pressure atomizer, atomizing effect is good, can be come into full contact with air, to air into
Row cools.
Further, flowing has a heat transferring medium in the pipeline, and the heat transferring medium is water or freon refrigerant, described
Freon refrigerant can be, but not limited to be R134a.
Referring to Fig. 3, the present invention further correspondingly provides a kind of control method based on above-mentioned air-conditioner control system, including with
Lower step:
S100, control system require T0/r0 to calculate dew-point temperature required value T1, control system setting according to indoor temperature and humidity control
Dew-point temperature required precision is ± t；
S200, dew point temperature sensor and return air temperature sensor acquire environmental working condition；
S300, the dew-point temperature required value T1 for comparing dew point temperature sensor new air temperature T2 collected and being calculated；
S400, as T3 < T2 < T1+t, control system controls air inlet valve and opens, and mixer selector valve and the first air returning valve are closed, machinery system
Cooling system is closed, and fresh air is after filtering area and heat-pipe refrigerating system to indoor air-supply；At this point, air-conditioner control system is in completely new
Wind mode；
As T0 > T2 > T1+t, control system controls air inlet valve, mixer selector valve and the first air returning valve and opens, according to comparison result, control
System processed carries out aperture regulation to air inlet valve and the first air returning valve, carries out proportion adjustment to mixer selector valve；Fresh air is successively by filtering
Air-supply is realized after area, heat-pipe refrigerating system, new return air mixed zone and mechanical refrigeration system；At this point, air-conditioner control system was in
Cross season mode；
As T2 > T0, control system controls air inlet valve, mixer selector valve and the first air returning valve are opened, and control system is to air inlet valve and the
One air returning valve carries out aperture regulation, carries out proportion adjustment to mixer selector valve；Fresh air successively passes through filtering area, heat-pipe refrigerating system, new
Air-supply is realized behind return air mixed zone and mechanical refrigeration system；At this point, air-conditioner control system is in summer mode；
As T2 < T3, control system air inlet valve, mixer selector valve and the first air returning valve are opened, and control system is to air inlet valve and first time
Air-valve carries out aperture regulation, carries out proportion adjustment to mixer selector valve；Fresh air successively passes through filtering area, heat-pipe refrigerating system, new return air
Air-supply is realized behind mixed zone and mechanical refrigeration system；At this point, air-conditioner control system is in winter mode；The T3 is control system
The temperature value that the winter mode of setting is opened.
Air-conditioner control system can be improved in the adaptation of Various Seasonal and different temperatures humidity environment in the setting of various modes
Property, it realizes and reaches energy-efficient effect while ideal cooling effect to a certain extent.
Further, Fig. 1 and Fig. 3 are please referred to, when air-conditioning switches to all-fresh air mode, air inlet valve open, mixer selector valve and
First air returning valve is closed, and mechanical refrigeration system is closed；At this point, T3 < T2 < T1+t；Assuming that indoor temperature and humidity control require for 26 DEG C/
55%, the temperature value that winter mode is opened is 5 DEG C, and dew-point temperature requires to be 16.7 DEG C at this time, and required precision is ± 1 DEG C, if return air
Temperature is 26 DEG C, if the temperature of outdoor fresh air is lower than 18 DEG C at this time, is higher than 5 DEG C, can close mechanical refrigeration system；Fresh air from into
Air port enters, and control system requires to carry out analog quantity coupling according to indoor relative humidity, controls air inlet valve according to coupling result
Aperture regulates and controls the inlet of fresh air；After fresh air realizes the filtering of particle and the purification of air by filtering area, with heat pipe
Interior is sent to by blower after the first heat pipe heat exchanging section (heat pipe evaporator section) progress heat exchange of refrigeration system.
All-fresh air mode is generally used for the place or outdoor fresh air dew-point temperature more demanding to indoor air quality and is lower than
The case where indoor setting value.
Further, Fig. 1 and Fig. 3 are please referred to, when air-conditioning switches to conditioning in Transition Season mode, air inlet valve, mixer selector valve and first
Air returning valve is opened, and according to comparison result, control system carries out aperture regulation to air inlet valve and the first air returning valve, is carried out to mixer selector valve
Proportion adjustment；When being in conditioning in Transition Season, the work of each system can be controlled according to temperature humidity control point；At this point, T0 > T2 > T1+t；
(according to above-mentioned example, the temperature of fresh air is 18 DEG C to 26 DEG C at this time) fresh air enters from air inlet, and control system is according to indoor phase
Humidity is required to carry out analog quantity coupling, the aperture of air inlet valve is controlled according to coupling result, the inlet of fresh air is regulated and controled；
After fresh air realizes the filtering of particle and the purification of air by filtering area, heat is carried out with the first heat pipe heat exchanging section (heat pipe evaporator section)
Exchange, since indoor air temperature is lower than outdoor fresh air, room air enters new return air mixed zone, control by the first return air inlet
System controls the aperture of the first air returning valve, regulates and controls to the inlet of return air；In addition, control system controls mixer selector valve to return air
Regulated and controled with the ratio of the inlet of fresh air and (the investment ratio of fresh air can be divided into 25%, 50% and 75% three grades)；Newly
After return air mixing, heat exchange is carried out with the first mechanical refrigeration heat exchanging segment (mechanical refrigeration evaporator section), the new return air of mixing is carried out
Further cooling, at this point, mechanical refrigeration system part is put into, specific input amount can require to carry out mould according to indoor relative humidity
Analog quantity coupling, and controlled by control system；After reducing temperature twice, the new return air of mixing is sent to interior by air outlet by blower；It can
Heat exchange is carried out by indoor return air and the second heat pipe heat exchanging section, guarantees the cycle operation of heat-pipe refrigerating system；Room air is logical
It crosses the second return air inlet and enters exhaust zone, control system controls the aperture of the second air returning valve, controls the inlet of return air, room
Outdoor is discharged after carrying out heat exchange in interior return air and the second heat pipe heat exchanging section (heat pipe condenser section).
Further, Fig. 1 and Fig. 3 are please referred to, when air-conditioning switches to summer mode, air inlet valve, mixer selector valve and first time
Air-valve is opened, and control system carries out aperture regulation to air inlet valve and the first air returning valve, carries out proportion adjustment to mixer selector valve；When being in
When summer, the temperature of outdoor fresh air is higher than T2(according to above-mentioned example, and T2 is 26 DEG C at this time), fresh air enters from air inlet, control
System controls the aperture of air inlet valve, is regulated and controled (can set most descends fresh air volume as 10% to 20%) to the inlet of fresh air；Fresh air
After realizing the filtering of particle and the purification of air by filtering area, hot friendship is carried out with the first heat pipe heat exchanging section (heat pipe evaporator section)
It changes, new air cooling realizes cooling；It can be cooled down by being set to the range of atomization on front side of the first heat pipe heat exchanging section to fresh air, be atomized
The water that nozzle is sprayed comes into full contact with air, realizes the cooling of air；It is indoor since indoor air temperature is lower than outdoor fresh air
Air enters new return air mixed zone by the first return air inlet, and control system controls the aperture of the first air returning valve, the entrance to return air
Amount is regulated and controled；In addition, control system control mixer selector valve regulates and controls the ratio of the inlet of return air and fresh air；New return air is mixed
After conjunction, heat exchange is carried out with the first mechanical refrigeration heat exchanging segment (mechanical refrigeration evaporator section), the new return air of mixing is carried out further
Cooling, at this point, mechanical refrigeration system part put into, specific input amount can according to indoor relative humidity require carry out analog quantity coupling
It closes, and is controlled by control system；After reducing temperature twice, the new return air of mixing is sent to interior by air outlet by blower；Room can be passed through
Interior return air and the second heat pipe heat exchanging section carry out heat exchange, guarantee the cycle operation of heat-pipe refrigerating system；Room air passes through second
Return air inlet enters exhaust zone, and control system controls the aperture of the second air returning valve, controls the inlet of return air, indoor return air
Outdoor is discharged after carrying out heat exchange with the second heat pipe heat exchanging section (heat pipe condenser section) of heat-pipe refrigerating system.
Further, Fig. 2 and Fig. 3 are please referred to, when air-conditioning switches to winter mode, air inlet valve, mixer selector valve and first time
Air-valve is opened, and control system carries out aperture regulation to air inlet valve and the first air returning valve, carries out proportion adjustment to mixer selector valve；When being in
When winter, the temperature of outdoor fresh air is lower than T3, and in the present embodiment, T3 is 5 degrees Celsius；Fresh air enters from air inlet, control system
The aperture of system control air inlet valve, is regulated and controled to the inlet of fresh air and (can set minimum fresh air requirmente as 10% to 20%)；Fresh air warp
After crossing the filtering of filtering area realization particle and the purification of air, heat exchange is carried out with the first heat pipe heat exchanging section (heat pipe condenser section),
Heating is realized in new air heat-exchange preheating；Since indoor air temperature is higher than outdoor fresh air, room air is entered by the first return air inlet
New return air mixed zone, control system control the aperture of the first air returning valve, regulate and control to the inlet of return air；In addition, control system
System control mixer selector valve regulates and controls the ratio of the inlet of return air and fresh air；After new return air mixing, changed with the first mechanical refrigeration
Hot arc (mechanical refrigeration condensation segment) carries out heat exchange, is further heated to the new return air of mixing, at this point, mechanical refrigeration system
The compressor of system is switched to heat pump working condition along with electric heating carries out complementary heating；After reheating, blower is by mixing
New return air is sent to interior by air outlet；Heat exchange can be carried out by indoor return air and the second heat pipe heat exchanging section, guarantee heat pipe system
The cycle operation of cooling system；Room air enters exhaust zone by the second return air inlet, and control system controls opening for the second air returning valve
Degree, controls the inlet of return air, and indoor return air and the second heat pipe heat exchanging section (heat pipe evaporator section) carry out heat exchange heel row
It is outdoor out.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these replacements or change all should belong to claims appended hereto
Protection scope in.
Claims (5)
1. a kind of air-conditioner control system, including cabinet and the air duct being set in cabinet, blower, control system, heat-pipe refrigerating system
System and mechanical refrigeration system, which is characterized in that enter the wind along fresh air to the direction of fresh air outlet air and be disposed in the cabinet
Air inlet valve, filtering area, the first heat pipe heat exchanging section, the area new return air Hun Feng, the first mechanical refrigeration heat exchanging segment and blow zones；Described new time
Wind mixed zone is provided with the first air returning valve and the mixer selector valve for mixing indoor return air and fresh air；It is provided with and is used on the cabinet
The dew point temperature sensor of new air temperature and the return air temperature sensor for detecting return air temperature are detected, the dew-point temperature passes
Sensor and return air temperature sensor are connected to control system；First air returning valve and mixer selector valve are connected to control system.
2. a kind of air-conditioner control system according to claim 1, which is characterized in that further include exhaust zone and being set to air draft
Second air returning valve in area, indoor return air and the second heat pipe heat exchanging section carry out heat exchange in exhaust zone；The second air returning valve connection
In control system；The first heat pipe heat exchanging section and the second heat pipe heat exchanging section pass through pipeline connection.
3. a kind of air-conditioner control system according to claim 1, which is characterized in that the front side of the first heat pipe heat exchanging section
It is additionally provided with range of atomization, the range of atomization includes several atomizers being uniformly arranged, the spray direction court of the atomizer
To the first heat pipe heat exchanging section.
4. a kind of air-conditioner control system according to claim 2, which is characterized in that flowing has heat exchange to be situated between in the pipeline
Matter, the heat transferring medium are water or freon refrigerant.
5. a kind of control method based on the described in any item air-conditioner control systems of claim 1-4, which is characterized in that including with
Lower step:
S100, control system require T0/r0 to calculate dew-point temperature required value T1, control system setting according to indoor temperature and humidity control
Dew-point temperature required precision is ± t；
S200, dew point temperature sensor and return air temperature sensor acquire environmental working condition；
S300, the dew-point temperature required value T1 for comparing dew point temperature sensor new air temperature T2 collected and being calculated；
S400, as T3 < T2 < T1+t, control system controls air inlet valve and opens, and mixer selector valve and the first air returning valve are closed, machinery system
Cooling system is closed, and fresh air is after filtering area and heat-pipe refrigerating system to indoor air-supply；At this point, air-conditioner control system is in completely new
Wind mode；
As T0 > T2 > T1+t, control system controls air inlet valve, mixer selector valve and the first air returning valve and opens, according to comparison result, control
System processed carries out aperture regulation to air inlet valve and the first air returning valve, carries out proportion adjustment to mixer selector valve；Fresh air is successively by filtering
Air-supply is realized after area, heat-pipe refrigerating system, new return air mixed zone and mechanical refrigeration system；At this point, air-conditioner control system was in
Cross season mode；
As T2 > T0, control system controls air inlet valve, mixer selector valve and the first air returning valve are opened, and control system is to air inlet valve and the
One air returning valve carries out aperture regulation, carries out proportion adjustment to mixer selector valve；Fresh air successively passes through filtering area, heat-pipe refrigerating system, new
Air-supply is realized behind return air mixed zone and mechanical refrigeration system；At this point, air-conditioner control system is in summer mode；
As T2 < T3, control system air inlet valve, mixer selector valve and the first air returning valve are opened, and control system is to air inlet valve and first time
Air-valve carries out aperture regulation, carries out proportion adjustment to mixer selector valve；Fresh air successively passes through filtering area, heat-pipe refrigerating system, new return air
Air-supply is realized behind mixed zone and mechanical refrigeration system；At this point, air-conditioner control system is in winter mode；The T3 is control system
The temperature value that the winter mode of setting is opened.
Priority Applications (1)
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