CN109297164A - Air conditioner energy-saving system and parameter setting method - Google Patents
Air conditioner energy-saving system and parameter setting method Download PDFInfo
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- CN109297164A CN109297164A CN201811321348.5A CN201811321348A CN109297164A CN 109297164 A CN109297164 A CN 109297164A CN 201811321348 A CN201811321348 A CN 201811321348A CN 109297164 A CN109297164 A CN 109297164A
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- heat pipe
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
-
- 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
- F24F11/89—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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of air conditioner energy-saving system and parameter setting methods, including fresh air inlet section, primary retirn air mixing unit, dehumidification portion, secondary return air mixing unit, blower, medium air filtration portion, auxiliary reheating humidifying part and outlet section；The dehumidification portion is made of surface air cooler and U-shaped dehumidifying heat-pipe apparatus, the U-shaped dehumidifying heat-pipe apparatus is provided with the U-shaped sub- heat pipe of multiple groups, the installation site of the sub- heat pipe of each group is arranged side by side from top to bottom along the vertical direction, and solenoid valve is also equipped on the sub- heat pipe in part, the solenoid valve can control sub- heat pipe on-off.The present invention has effectively expanded the use scope of U-shaped dehumidifying heat pipe, and U-shaped dehumidifying heat pipe poor controllability and the shortcomings that low precision and deficiency in routine use is avoided while playing its power savings advantages.Simultaneously the present invention also provides based on secondary return air system in conjunction with the U-shaped heat pipe that dehumidifies after the wet computation model of enthalpy, commonly used for the power-saving technology provide strong design considerations.
Description
Technical field
The present invention relates to a kind of air handling system, especially a kind of air conditioner energy-saving system with obvious energy saving effect and
Parameter setting method.
Background technique
Currently, in constant-temperature constant-humidity air-conditioner energy-saving field, either in air-cooled or water cooling constant temperature and humidity air-conditioning system,
The power save mode that end section, that is, Indoor Thermal wet process unit generallys use is secondary return air system.For constant-temperature constant-humidity air-conditioner system
System, it is energy-saving although secondary return air system can reduce system overall refrigerating effect, again heat and operating cost to a certain extent
Task it is still arduous.
Cryo Heat Tube technology, the not high factor of examined, the wet dyscalculia of enthalpy, degree of regulation influences, in constant temperature and humidity sky
The application and popularization in tune field are very slow.Wherein U-shaped dehumidifying heat-pipe apparatus is in the not high all-fresh air of degree of regulation and primary time
It is applied on wind constant-temperature constant-humidity air-conditioner.Since in constant temperature and humidity system, the heat exchanging process of U-shaped dehumidifying heat pipe belongs to sensible heat
Exchange, heating and cooling equity.It is larger by the temperature difference before and after U-shaped dehumidifying heat pipe for all-fresh air constant temperature and humidity air-conditioning system,
Thus energy-saving effect is fairly obvious, but the market demand and few, such as experimental animal room, the laboratory P2 ~ P4, therefore macroscopic view energy conservation
Total amount is limited；For the constant temperature and humidity air-conditioning system of primary retirn air, the market demand is more, such as pharmaceutical factory, hospital, laboratory, electronics
The clean air conditioner of industry, archive office, measuring room, constant-temperature constant-humidity air-conditioner of precision manufactureing industry etc., because of the air inlet of U-shaped dehumidifying heat pipe
(new, return air admixture) temperature is lower, causes the Air Temperature Difference of the front and back by U-shaped dehumidifying heat pipe to reduce, energy-saving effect is not
It is too obvious, it is influenced by cost of investment height and return rate are low, promotes relative difficulty again.
Summary of the invention
In view of the deficiencies of the prior art, degree of regulation, reduction cost of investment and expansion can be improved the present invention provides a kind of
Air conditioner energy-saving system and parameter setting method based on U-shaped dehumidifying hot pipe technique application space.
The technical solution adopted by the invention is as follows: a kind of air conditioner energy-saving system, including fresh air inlet section, primary retirn air mixing
Portion, dehumidification portion, secondary return air mixing unit, blower, medium air filtration portion, auxiliary reheating humidifying part and outlet section；The fresh air into
Wind portion is provided with fresh air air inlet, and the air-out passage of the fresh air inlet section and the air inlet of the primary retirn air mixing unit are logical
Road connection, is additionally provided with primary retirn air air inlet in the primary retirn air mixing unit, in the fresh air inlet section and described primary
Primarily efficient filter portion is additionally provided between return air mixing unit；The air-out passage of the primary retirn air mixing unit and the dehumidification portion into
The connection of wind channel, the dehumidification portion are made of surface air cooler and U-shaped dehumidifying heat-pipe apparatus, and U-shaped dehumidifying heat-pipe apparatus is installed on insulation
In air-conditioning box, the U-shaped dehumidifying heat-pipe apparatus is provided with the U-shaped sub- heat pipe of multiple groups, and the installation site of the sub- heat pipe of each group is along vertical side
To being arranged side by side from top to bottom, and solenoid valve is also equipped on the sub- heat pipe in part, the solenoid valve can control sub- heat pipe on-off；
The air-out passage of the dehumidification portion is connected to the air intake passage of the secondary return air mixing unit, the secondary return air mixing unit setting
There is secondary return air air inlet；The air-out passage of the secondary return air mixing unit is connected to the air inlet of the blower；The blower
Air outlet be connected to the air intake passage in the medium air filtration portion；The air-out passage in the medium air filtration portion and the auxiliary reheating
The air intake passage of humidifying part is connected to；The air-out passage of the auxiliary reheating humidifying part is connected to the air intake passage of the outlet section,
Air outlet is additionally provided in the outlet section.
Preferably, the sub- heat pipe quantity that solenoid valve is installed in the U-shaped dehumidifying heat-pipe apparatus accounts for the ratio of sub- heat pipe total quantity
Example is 20%-40%.
Preferably, it is additionally provided with system controller in the system, the system controller can control opening for solenoid valve
Close work.
Preferably, auxiliary reheating humidifying part is provided with thermal compensation device.
Preferably, it is additionally provided with the first volume damper in primary retirn air mixing unit, is additionally provided in secondary return air mixing unit
Two volume dampers.
Preferably, the thermal compensation device is air energy thermal pump assembly or electric heater unit.
Preferably, first volume damper and the second volume damper are permanent wind adjustable valve or motorized adjustment wind
Valve.
The parameter setting method of air conditioner energy-saving system, the system parameter setting method include the following steps:
The relevant weather environmental parameter for the object that S1, check will be adjusted determines the controlled plant if appropriate for described in use
Air conditioner energy-saving system；
If controlled plant described in S2, step S1 is suitble to using the air conditioner energy-saving system, basis and the air conditioner energy saving
The corresponding psychrometric chart computation model of system calculates the psychrometric chart parameter of the air conditioner energy-saving system；
S3, energy-saving type air conditioner unit hardware is arranged according to the system requirements of the air conditioner energy-saving system；
S4, the psychrometric chart parameter that step S2 is obtained is used to join the air conditioner energy-saving system that energy-saving type air conditioner unit hardware forms
Number configuration.
Preferably, the calculation method of the psychrometric chart parameter in psychrometric chart computation model described in step S2 includes following step
It is rapid:
S21, in psychrometric chart computation model, if Q point be the practical admixture point of secondary return air, if R point be secondary return air it is virtual
Admixture point, if N ' point is air-conditioning state point, if N point is air state point in air conditioning chamber, if M point is again Warm status
Point, if L point is apparatus dew point, if P point is pre-cold state point, if O point is primary retirn air air conditioner admixture point, if W point is
Air-conditioning outdoor air conditions point；
S22, data and live air conditioning requirements mark W point, N point, R in psychrometric chart computation model depending on the site environment first
Then the position of point and N ' point was made the wet lines such as R point in psychrometric chart and was intersected with N ' point thermoisopleth is crossed, the intersection point of two lines intersection
As Q point；
S23, connection N point and Q point, obtain triangle NQR, the position of label L point in psychrometric chart computation model, according to triangle
Deng than principle, make in figure the extended line of NQ with cross L point etc. wet line intersect, the intersection point that two lines intersect is M point；
S24, O point determined by the line of W point and N point in psychrometric chart computation model, according to geometric expression formula OP=ML, schemed
Middle cross in the wet lines such as O point can determine that P point.
Air conditioner energy-saving system and parameter setting method of the present invention, given full play to U-shaped dehumidifying heat pipe do not consume energy and
The advantage sensitive to the temperature difference devises a kind of air conditioner energy-saving system for being more suitable for U-shaped dehumidifying heat pipe.The present invention has effectively expanded U
Type dehumidifies the use scope of heat pipe, and U-shaped dehumidifying heat pipe in routine use scarce is avoided while playing its power savings advantages
Point and deficiency.The present invention organically combines two kinds of power-saving technologies of secondary return air system and U-shaped dehumidifying heat pipe simultaneously, not only mentions significantly
The high energy-saving effect of system, the wet computation model of enthalpy after additionally providing based on secondary return air system in conjunction with the U-shaped heat pipe that dehumidifies,
Commonly used for the power-saving technology provides strong design considerations.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of arrangement combinations formula air-conditioner set in air conditioner energy-saving system embodiment of the present invention；
Fig. 2 is the combination installation diagram of U-shaped dehumidifying heat-pipe apparatus and surface air cooler in air conditioner energy-saving system embodiment of the present invention；
Fig. 3 is psychrometric chart computation model signal of the air conditioner energy-saving system parameter setting method embodiment of the present invention in summer operating mode
Figure；
1 fresh air inlet section in figure, 2 fresh air air inlets, 3 primary retirn air mixing unit, 4 primary retirn air air inlets, 5 just imitated
Filter portion, 6 dehumidification portion, 61 U-shaped dehumidifying heat-pipe apparatus, 62 surface air coolers, 63 sub- heat pipes, 64 solenoid valves, 65 evaporation and heat-exchange portions,
66 condensing heat-exchange portions, 7 secondary return air mixing unit, 8 secondary return air air inlets, 9 blowers, 10 medium air filtration portions, 11 auxiliary
Reheating humidifying part, 12 outlet sections, 13 air outlets.
Specific embodiment
Embodiment:
Air conditioner energy-saving system of the present invention and parameter setting method are made further specifically combined with specific embodiments below
It is bright.
As shown in Figure 1, a kind of air conditioner energy-saving system, including fresh air inlet section 1, primary retirn air mixing unit 3, dehumidification portion
6, secondary return air mixing unit 7, blower 9, medium air filtration portion 10, auxiliary reheating humidifying part 11 and outlet section 12.Described new
Wind inlet section 1 is provided with fresh air air inlet 2, and the air-out passage of the fresh air inlet section 1 is mixed with the primary retirn air
The air intake passage in portion 3 is connected to, and primary retirn air air inlet 4 is additionally provided in the primary retirn air mixing unit 3, in the fresh air
Primarily efficient filter portion 5 is additionally provided between inlet section 1 and the primary retirn air mixing unit 3；The primary retirn air mixing unit 3
Air-out passage is connected to the air intake passage of the dehumidification portion 6, and the dehumidification portion 6 is by surface air cooler 62 and U-shaped dehumidifying heat-pipe apparatus
61 compositions, U-shaped dehumidifying heat-pipe apparatus 61 are installed in insulation air-conditioning box, and the U-shaped dehumidifying heat-pipe apparatus 61 is provided with multiple groups U
The installation site of type heat pipe 63, the sub- heat pipe 63 of each group is arranged side by side from top to bottom along the vertical direction, and in part son heat
Solenoid valve 64 is also equipped on pipe 63, the solenoid valve 64 can control sub- 63 on-off of heat pipe；According to the practical adjustments width of system
Degree, 63 quantity of sub- heat pipe for setting installation solenoid valve 64 in U-shaped dehumidifying heat-pipe apparatus 61 account for the ratio of sub- 63 total quantity of heat pipe
Example is 20%-40%.The air-out passage of the dehumidification portion 6 is connected to the air intake passage of the secondary return air mixing unit 7, and described two
Secondary return air mixing unit 7 is provided with secondary return air air inlet 8；The air-out passage and the blower of the secondary return air mixing unit 7
9 air inlet connection；The air outlet of the blower 9 is connected to the air intake passage in the medium air filtration portion 10；It was imitated in described
The air-out passage in filter portion 10 is connected to the air intake passage of the auxiliary reheating humidifying part 11；The auxiliary reheating humidifying part 11
Air-out passage be connected to the air intake passage of the outlet section 12, be additionally provided with air outlet 13 in the outlet section 12.
As shown in Figure 2, in the present embodiment, the U-shaped dehumidifying heat-pipe apparatus 61 includes the sub- heat pipe 63 of multiple groups, every group of sub- heat pipe
Refrigerant in 63 drives the loop jump energy in heat pipe by the temperature difference, forms independent small-sized dehumidifying hot-pipe system, while institute
The sub- heat pipe 63 having has been grouped together into the evaporation and heat-exchange portion 65 and condensing heat-exchange portion of U-shaped dehumidifying heat-pipe apparatus 61
66.Arrow is airflow direction in figure, and evaporation and heat-exchange portion 65 is located at the inlet side of U-shaped dehumidifying heat-pipe apparatus 61, condensing heat-exchange portion
66 are located at the air side of U-shaped dehumidifying heat-pipe apparatus 61, are surface air cooler 62 between evaporation and heat-exchange portion 65 and condensing heat-exchange portion 66,
Pre-cooling and reheating without energy consumption can be carried out to air by the thermal cycle principle of heat pipe, reduce the energy consumption of air-conditioning equipment.In order to
The hot-cast socket precision for effectively controlling U-shaped dehumidifying heat-pipe apparatus 61, is equipped with electromagnetism on the pipeline section of sub- 63 side of heat pipe in part
Valve 64 enables the sub- heat pipe 63 of installation solenoid valve 64 to control sub- heat pipe 63 by controlling the on-off of solenoid valve 64
Whether on-off and work.It can be seen that can be realized to the operating mode of U-shaped dehumidifying heat pipe by the way of installing solenoid valve 64
Preferably there is grade to adjust and control the precision of heat exchanging process, and in order to control the manufacturing cost of equipment and simplify installation production
Program, the present embodiment only installs and uses solenoid valve 64 on a part of sub- heat pipe 63, at the same in order to improve working efficiency and
Further control system degree of regulation, is additionally provided with system controller, the system controller in the air conditioner energy-saving system
The detection data real-time control electromagnetism that can be passed back in system operation according to the operating parameter of user's setting and sensor
The switch work of valve 64 is completed to realize automatic control to sub- 63 on-off of heat pipe and working condition.
In the design installation process of system hardware, we hold U-shaped dehumidifying heat-pipe apparatus 61 needed for adjusting in work
The 120% of heat-carrying load total amount is as the safety factor for selecting U-shaped dehumidifying heat-pipe apparatus 61；According to the safety factor, U-shaped
The sub- heat pipe 63 that selection accounts for sub- 63 total quantity 40% of heat pipe in dehumidifying heat-pipe apparatus 61 installs solenoid valve 64 additional with control system tune
Save precision, at the same guarantee the installation site of the sub- heat pipe 63 of each group in U-shaped dehumidifying heat-pipe apparatus 61 along the vertical direction from upper and
Under be arranged side by side.
The quantity of the sub- heat pipe 63 of actual installation solenoid valve 64 reference also should be made to the manufacture of 63 hardware of system neutron heat pipe
Technique and detection accuracy, the manufacturing process and detection accuracy of sub- heat pipe 63 are higher, and safety factor and the amplitude of accommodation can reduce,
Otherwise bigger, the minimum ratio that 63 quantity of sub- heat pipe of installation solenoid valve 64 accounts for sub- 63 total quantity of heat pipe is 20%, and quantity is too
It is not achieved effective regulating effect less, and quantity then increased costs too much.In the actual motion of system, system controller answers root
Preferentially guarantee that the heat again of U-shaped dehumidifying heat-pipe apparatus 61 approaches but not higher than actually required heat again according to the operating parameter of setting
This condition, and in running order 63 quantity of sub- heat pipe is controlled according to this condition, and the fine tuning of temperature can be by additional
Heat source compensate and adjust.
When summer operating mode is run, U-shaped dehumidifying heat-pipe apparatus 61 drives the air conditioner energy-saving system by the temperature difference, secondary
On the basis of air return system is energy-efficient, the refrigerating capacity and heat again of system further reduced；And excessively the season operating condition temperature difference is smaller
When, U-shaped 61 energy-saving effect of dehumidifying heat-pipe apparatus is deteriorated, the refrigeration requirement of system and little under the operating condition, but the reheating dimension of system
The heat held and need additional compensation heat, and compensate should be equal to actually required reheating amount and deduct system in the small temperature difference
The recuperation of heat amount of U-shaped dehumidifying heat-pipe apparatus 61, until the temperature difference is 0 degree Celsius.It is reduced when U-shaped dehumidifying heat-pipe apparatus 61 acts on
When, maximum heat again needed for maximum heat compensation should be equal to system can be arranged at this time in the auxiliary reheating humidifying part 11 of system
Thermal compensation device, the thermal compensation device can be using air energy thermal pump assembly, electric heater unit, steam or hot water etc., if energy
Waste heat is recycled using air energy thermal pump assembly, then the energy-saving effect of the system is by almost Perfect.In order to preferably control energy conservation
Effect is additionally provided with the first volume damper in the primary retirn air mixing unit 3, is additionally provided in secondary return air mixing unit 7
Second volume damper；First volume damper and the second volume damper can use permanent wind adjustable valve or motorized adjustment wind
Valve, user can require to determine the adjusting valve-type used according to the cost control of system.
In the present embodiment, the allocation of the amount of air that returns of entire air conditioner energy-saving system is allocated according to the ratio of 1:2, i.e., and first
Secondary return air accounts for the 1/3 of total volume of return air, and second of return air accounts for the 2/3 of total volume of return air；It is whole in this way in the identical situation of total air output
By the air quantity of U-shaped dehumidifying heat-pipe apparatus 61 by than using the air quantity of crossing when primary-air recirculating system to be greatly decreased, this makes a system
Equipment investment cost declines to a great extent.When system is run, when the fresh air into fresh air inlet section 1 is mixed with first time return air, fresh air
Air quantity is bigger, so that the temperature of admixture point is higher after the mixing of first time return air, before U-shaped dehumidifying heat-pipe apparatus 61
The temperature difference afterwards is larger, and U-shaped 61 pairs of first times of dehumidifying heat-pipe apparatus mixed air-conditioner wind pre-cooling acts on more obvious, surface air cooler
62 refrigerating capacity is smaller, and refrigeration duty installed capacity is also smaller, realizes energy-saving effect.
Due to the meter of the U-shaped dehumidifying heat-pipe apparatus 61 in air conditioner energy-saving system of the present invention heat and pre- cooling capacity again
It is relative complex, so whole system uses retrospectively calculate method in the calculating process that operating parameter is arranged, i.e., first according to the
Secondary return air state point and the wet computation model figure of enthalpy obtain the heat again of U-shaped heat pipe, then calculate first time return air and fresh air again
It is mixed U-shaped except the damp and hot pre- cooling capacity of pipe；It is last to be insulated in air-conditioning box because U-shaped dehumidifying heat-pipe apparatus 61 is installed on, according to
Energy conservation principle, the mixed U-shaped dehumidifying pre- cooling capacity of heat-pipe apparatus 61 of first time return air are equal to the heat again of its recycling.
Here, by taking summer operating mode as an example, by psychrometric chart computation model to the parameter of air conditioner energy-saving system of the present invention
Setting method is described in detail.9 temperature rise of blower is not considered in this psychrometric chart computation model, and this psychrometric chart calculates mould
Type is designed premised on the meteorologic parameter in high-temperature high-humidity area and universal temperature and humidity and required precision, low temperature and low humidity
Area has the area of special temperature and humidity and required precision that need to cautiously be used according to actual conditions.
The parameter setting method of the air conditioner energy-saving system includes the following steps:
The relevant weather environmental parameter for the object that S1, check will be adjusted determines the controlled plant if appropriate for described in use
Air conditioner energy-saving system；
If controlled plant described in S2, step S1 is suitble to using the air conditioner energy-saving system, basis and the air conditioner energy saving
The corresponding psychrometric chart computation model of system calculates the psychrometric chart parameter of the air conditioner energy-saving system；
S3, energy-saving type air conditioner unit hardware is arranged according to the system requirements of the air conditioner energy-saving system；
S4, the psychrometric chart parameter that step S2 is obtained is used to join the air conditioner energy-saving system that energy-saving type air conditioner unit hardware forms
Number configuration.
As shown in Figure 3, it includes as follows that the calculation method of parameter is wherein arranged in psychrometric chart computation model described in step S2
Step:
S21, in psychrometric chart computation model, if Q point be the practical admixture point of secondary return air, if R point be secondary return air it is virtual
Admixture point, if N ' point is air-conditioning state point, if N point is air state point in air conditioning chamber, if M point is again Warm status
Point, if L point is apparatus dew point, if P point is pre-cold state point, if O point is primary retirn air air conditioner admixture point, if W point is
Air-conditioning outdoor air conditions point；Wherein W point and L point gain of parameter, N point can be set according to user demand depending on the site environment
Fixed, R point is set according to the ratio that secondary returning air quantity accounts for total volume of return air, and N ' point is determined according to the supply air temperature difference of air-conditioning；
S22, data and live air conditioning requirements mark W point, N point, R in psychrometric chart computation model depending on the site environment first
Then the position of point and N ' point was made the wet lines such as R point in psychrometric chart and was intersected with N ' point thermoisopleth is crossed, the intersection point of two lines intersection
As Q point；
S23, connection N point and Q point, obtain triangle NQR, the position of label L point in psychrometric chart computation model, according to triangle
Deng than principle, make in figure the extended line of NQ with cross L point etc. wet line intersect, the intersection point that two lines intersect is M point；
S24, O point determined by the line of W point and N point in psychrometric chart computation model, according to geometric expression formula OP=ML, schemed
Middle cross in the wet lines such as O point can determine that P point.
In conclusion the sequence for drawing state point in the psychrometric chart computation model is R point → Q point → M point → O point
→ P point.Meanwhile the OP sections of pre-cooling sections for U-shaped dehumidifying heat-pipe apparatus 61 in figure, LM sections are U-shaped dehumidifying heat-pipe apparatus 61
Reheating section, PL sections for refrigeration section.And in actually calculating, it should be noted that with U-shaped dehumidifying heat-pipe apparatus in excessive season
The temperature difference of 61 front and backs is gradually reduced, and the pre-cooling of U-shaped dehumidifying heat-pipe apparatus 61 also reduces synchronous with heat again, is able to satisfy at this time
The cold source of summer operating mode cooling capacity is also able to maintain that the cooling capacity in excessive season, and the constant needs of heat pass through additional thermal compensation again
Device compensates.And the no suitable use of the environment parament air conditioner energy-saving system of the present invention of controlled plant can be according to enthalpy
System running state figure in wet figure computation model judges, if point N is substantially equal to point L, i.e. figure in thermoisopleth direction
In triangle MLN in NL be substantially equal to while with ML when be overlapped, then it is not recommended that user is using of the present invention
Air conditioner energy-saving system the temperature and humidity of controlled plant is adjusted.
Air conditioner energy-saving system and parameter setting method of the present invention, given full play to U-shaped dehumidifying heat pipe do not consume energy and
The advantage sensitive to the temperature difference devises a kind of air conditioner energy-saving system for being more suitable for U-shaped dehumidifying heat pipe or Cryo Heat Tube.The present invention has
Effect has expanded the use scope of U-shaped dehumidifying heat pipe, and U-shaped dehumidifying heat pipe is avoided while playing its power savings advantages to be made routinely
With the shortcomings that middle poor controllability and low precision and deficiency.The present invention saves secondary return air system with U-shaped two kinds of dehumidifying heat pipe simultaneously
Energy technology organically combines, and not only substantially increases the energy-saving effect of system, additionally provides based on secondary return air system and U-shaped dehumidifying
The wet computation model of enthalpy after heat pipe combination, commonly used for the power-saving technology provide strong design considerations.
Appeal embodiment of the invention is only example to illustrate the invention, and is not to implementation of the invention
The restriction of mode.For those of ordinary skill in the art, other can also be made not on the basis of the above description
With the variation and variation of form.Here can not all embodiments be exhaustive.It is all to belong to technical solution of the present invention institute
The obvious changes or variations amplified out are still in the scope of protection of the present invention.
Claims (9)
1. a kind of air conditioner energy-saving system, which is characterized in that including fresh air inlet section, primary retirn air mixing unit, dehumidification portion, secondary returning
Wind mixing unit, blower, medium air filtration portion, auxiliary reheating humidifying part and outlet section；The fresh air inlet section be provided with fresh air into
Air port, and the air-out passage of the fresh air inlet section is connected to the air intake passage of the primary retirn air mixing unit, described one
Secondary return air mixing unit is additionally provided with primary retirn air air inlet, between the fresh air inlet section and the primary retirn air mixing unit also
It is provided with primarily efficient filter portion；The air-out passage of the primary retirn air mixing unit is connected to the air intake passage of the dehumidification portion, described
Dehumidification portion is made of surface air cooler and U-shaped dehumidifying heat-pipe apparatus, and U-shaped dehumidifying heat-pipe apparatus is installed in insulation air-conditioning box, described U-shaped
Dehumidifying heat-pipe apparatus is provided with the U-shaped sub- heat pipe of multiple groups, and the installation site of the sub- heat pipe of each group is arranged side by side from top to bottom along the vertical direction
Column, and solenoid valve is also equipped on the sub- heat pipe in part, the solenoid valve can control sub- heat pipe on-off；The outlet air of the dehumidification portion
Channel is connected to the air intake passage of the secondary return air mixing unit, and the secondary return air mixing unit is provided with secondary return air air inlet
Mouthful；The air-out passage of the secondary return air mixing unit is connected to the air inlet of the blower；The air outlet of the blower with it is described
The air intake passage in medium air filtration portion is connected to；The air inlet of the air-out passage in the medium air filtration portion and the auxiliary reheating humidifying part is logical
Road connection；It is described auxiliary reheating humidifying part air-out passage be connected to the air intake passage of the outlet section, the outlet section also
It is provided with air outlet.
2. air conditioner energy-saving system according to claim 1, which is characterized in that install electricity in the U-shaped dehumidifying heat-pipe apparatus
The ratio that the sub- heat pipe quantity of magnet valve accounts for sub- heat pipe total quantity is 20%-40%.
3. air conditioner energy-saving system according to claim 1 or 2, which is characterized in that be additionally provided with system in the system
Controller, the system controller can control the switch work of solenoid valve.
4. air conditioner energy-saving system according to claim 3, which is characterized in that auxiliary reheating humidifying part is provided with thermal compensation
Device.
5. air conditioner energy-saving system according to claim 4, which is characterized in that be additionally provided with first in primary retirn air mixing unit
Volume damper is additionally provided with the second volume damper in secondary return air mixing unit.
6. air conditioner energy-saving system according to claim 5, which is characterized in that the thermal compensation device is air energy thermal pump machine
Group or electric heater unit.
7. air conditioner energy-saving system according to claim 6, which is characterized in that first volume damper and the second air quantity
Regulating valve is permanent wind adjustable valve or motorized adjustment air-valve.
8. the parameter setting method of the air conditioner energy-saving system according to any one of claim 5 to 8, which is characterized in that institute
System parameter setting method is stated to include the following steps:
The relevant weather environmental parameter for the object that S1, check will be adjusted determines the controlled plant if appropriate for described in use
Air conditioner energy-saving system；
If controlled plant described in S2, step S1 is suitble to using the air conditioner energy-saving system, basis and the air conditioner energy saving
The corresponding psychrometric chart computation model of system calculates the psychrometric chart parameter of the air conditioner energy-saving system；
S3, energy-saving type air conditioner unit hardware is arranged according to the system requirements of the air conditioner energy-saving system；
S4, the psychrometric chart parameter that step S2 is obtained is used to join the air conditioner energy-saving system that energy-saving type air conditioner unit hardware forms
Number configuration.
9. the parameter setting method of air conditioner energy-saving system according to claim 8, which is characterized in that enthalpy described in step S2
The calculation method of psychrometric chart parameter in wet figure computation model includes the following steps:
S21, in psychrometric chart computation model, if Q point be the practical admixture point of secondary return air, if R point be secondary return air it is virtual
Admixture point, if N ' point is air-conditioning state point, if N point is air state point in air conditioning chamber, if M point is again Warm status
Point, if L point is apparatus dew point, if P point is pre-cold state point, if O point is primary retirn air air conditioner admixture point, if W point is
Air-conditioning outdoor air conditions point；
S22, data and live air conditioning requirements mark W point, N point, R in psychrometric chart computation model depending on the site environment first
Then the position of point and N ' point was made the wet lines such as R point in psychrometric chart and was intersected with N ' point thermoisopleth is crossed, the intersection point of two lines intersection
As Q point；
S23, connection N point and Q point, obtain triangle NQR, the position of label L point in psychrometric chart computation model, according to triangle
Deng than principle, make in figure the extended line of NQ with cross L point etc. wet line intersect, the intersection point that two lines intersect is M point；
S24, O point determined by the line of W point and N point in psychrometric chart computation model, according to geometric expression formula OP=ML, schemed
Middle cross in the wet lines such as O point can determine that P point.
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| CN201811321348.5A CN109297164A (en) | 2018-11-08 | 2018-11-08 | Air conditioner energy-saving system and parameter setting method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097375A (en) * | 2020-09-29 | 2020-12-18 | 上汽通用五菱汽车股份有限公司 | Energy-saving control method and control system of air conditioner |
| CN112470940A (en) * | 2020-10-15 | 2021-03-12 | 浙江理工大学 | Low-resistance energy-saving air conditioning device for laboratory animal house |
-
2018
- 2018-11-08 CN CN201811321348.5A patent/CN109297164A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097375A (en) * | 2020-09-29 | 2020-12-18 | 上汽通用五菱汽车股份有限公司 | Energy-saving control method and control system of air conditioner |
| CN112470940A (en) * | 2020-10-15 | 2021-03-12 | 浙江理工大学 | Low-resistance energy-saving air conditioning device for laboratory animal house |
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