CN107328026A - Blower control method and device, air-conditioner outdoor unit - Google Patents
Blower control method and device, air-conditioner outdoor unit Download PDFInfo
- Publication number
- CN107328026A CN107328026A CN201710637708.1A CN201710637708A CN107328026A CN 107328026 A CN107328026 A CN 107328026A CN 201710637708 A CN201710637708 A CN 201710637708A CN 107328026 A CN107328026 A CN 107328026A
- Authority
- CN
- China
- Prior art keywords
- temperature
- heat exchanger
- fan
- outlet temperature
- exchanger outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention discloses a kind of blower control method and device, air-conditioner outdoor unit.The blower control method includes：Obtain air-conditioning system pressure and external environment temperature；Air-conditioning system pressure and external environment temperature is caused to meet predetermined condition by adjusting the first fan operation frequency；Make it that First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal by adjusting the second fan operation frequency.By the present invention in that the upper and lower heat exchanger of outdoor unit has identical heat transfer effect, the heat transfer effect of outdoor unit heat exchanger is improved；The invention enables heat exchanger uniform heat exchange, the invalid wasted work of motor is reduced, allows blower fan more to save.
Description
Technical field
The present invention relates to airconditioning control field, more particularly to a kind of blower control method and device, air-conditioner outdoor unit.
Background technology
Side air-out two fans heat pump outdoor unit, the corresponding condenser of fan be upper condenser, lower blower fan is corresponding be under
Condenser, refrigerant is when condenser radiates, due to Action of Gravity Field, and the cold medium flux on condenser top is than bottom under refrigeration mode
Flow is big, and heating mode is then opposite.
When unit load is relatively low, the difference in flow condensed up and down then seems all the more obvious.The difference of flow makes heat exchanger profit
Substantially reduced with rate.
The content of the invention
In view of above technical problem, the invention provides a kind of blower control method and device, air-conditioner outdoor unit, makes outdoor
The upper and lower heat exchanger of machine has identical heat transfer effect, improves the heat transfer effect of outdoor unit heat exchanger.
According to an aspect of the present invention there is provided a kind of blower control method, including：
Obtain air-conditioning system pressure and external environment temperature；
Air-conditioning system pressure and external environment temperature is caused to meet predetermined condition by adjusting the first fan operation frequency；
Cause First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature phase by adjusting the second fan operation frequency
Deng.
In one embodiment of the invention, it is described by adjust the first fan operation frequency cause air-conditioning system pressure and
External environment temperature, which meets predetermined condition, to be included：
It is determined that the saturation temperature corresponding with the absolute pressure value of the air-conditioning system pressure；
The saturation temperature and external environment temperature difference is caused to be in preset range by adjusting the first fan operation frequency
It is interior.
In one embodiment of the invention, it is described by adjusting the second fan operation frequency First Heat Exchanger to be exported
Temperature and the second heat exchanger outlet temperature it is equal including：
First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are obtained with predetermined time interval；
The second fan operation frequency is adjusted according to First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature.
In one embodiment of the invention, it is described by adjusting the second fan operation frequency First Heat Exchanger to be exported
Temperature and the second heat exchanger outlet temperature is equal also includes：
Second fan operation frequency initial value is set to preset frequency value, the first fan operation frequency initial value, adjustment
Any one of first fan operation frequency afterwards, perform afterwards with predetermined time interval obtain First Heat Exchanger outlet temperature and
The step of second heat exchanger outlet temperature.
In one embodiment of the invention, it is described according to First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature
Second fan operation frequency is adjusted including：
Judge whether First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal；
If First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are unequal, temperature is exported according to First Heat Exchanger
The difference of degree and the second heat exchanger outlet temperature determines corresponding second blower fan frequency adjustment, and is adjusted according to the second blower fan frequency
Whole amount is adjusted to the second fan operation frequency；
If First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal, the second fan operation frequency is kept not
Become.
In one embodiment of the invention, in the case where air-conditioning is in refrigeration mode, the air-conditioning system pressure is
Air-conditioning system high pressure, first blower fan is fan, and second blower fan is lower blower fan, the First Heat Exchanger outlet temperature
For upper condensator outlet temperature, second heat exchanger outlet temperature is lower condensator outlet temperature.
In one embodiment of the invention, it is described by adjust the first fan operation frequency cause air-conditioning system pressure and
External environment temperature, which meets predetermined condition, to be included：
It is determined that the condensation saturation temperature corresponding with the absolute pressure value of the air-conditioning system high pressure；
By adjusting fan running frequency condensation saturation temperature and external environment temperature difference are in preset range.
In one embodiment of the invention, it is described to cause condensation saturation temperature and outer by adjusting fan running frequency
The difference of environment temperature, which is in preset range, to be included：
If condensing saturation temperature and external environment temperature difference being less than first predetermined value, fan running frequency is reduced；
If condensing saturation temperature and external environment temperature difference being more than second predetermined value, fan running frequency is lifted；
If condensing saturation temperature and external environment temperature difference being between first predetermined value and second predetermined value, in holding
Fan operation frequency is constant.
In one embodiment of the invention, in the case where air-conditioning is in heating mode, the air-conditioning system pressure is
Air-conditioning system low pressure, first blower fan is lower blower fan, and second blower fan is fan, the First Heat Exchanger outlet temperature
For upper evaporator outlet temperature, second heat exchanger outlet temperature is lower evaporator outlet temperature.
In one embodiment of the invention, it is described by adjust the first fan operation frequency cause air-conditioning system pressure and
External environment temperature, which meets predetermined condition, to be included：
It is determined that the evaporation saturation temperature corresponding with the absolute pressure value of the air-conditioning system low pressure；
By adjustment lower blower fan running frequency evaporation saturation temperature and external environment temperature difference are in preset range.
In one embodiment of the invention, it is described that evaporation saturation temperature is caused and outer by the lower blower fan running frequency of adjustment
The difference of environment temperature, which is in preset range, to be included：
If the difference of external environment temperature and evaporation saturation temperature is less than the first temperature predetermined value, the lower fan operation frequency of lifting
Rate；
If the difference of external environment temperature and evaporation saturation temperature is more than second temperature predetermined value, the lower fan operation frequency of reduction
Rate；
If the difference of external environment temperature and evaporation saturation temperature is between the first temperature predetermined value and second temperature predetermined value,
Then keep lower blower fan running frequency constant.
According to another aspect of the present invention there is provided a kind of fan controller, including：
Pressure sensor, for obtaining air-conditioning system pressure；
First temperature sensor, for obtaining external environment temperature；
Controller, for causing air-conditioning system pressure and external environment temperature to meet pre- by adjusting the first fan operation frequency
Fixed condition；And cause First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature phase by adjusting the second fan operation frequency
Deng.
In one embodiment of the invention, controller is used to determine the absolute pressure value phase with the air-conditioning system pressure
Corresponding saturation temperature；Cause the saturation temperature and external environment temperature difference are in pre- by adjusting the first fan operation frequency
Determine in scope.
In one embodiment of the invention, the fan controller also includes：
Second temperature sensor, for obtaining First Heat Exchanger outlet temperature with predetermined time interval；
Three-temperature sensor, for obtaining the second heat exchanger outlet temperature with predetermined time interval；
Controller is used for according to First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature to the second fan operation frequency
Rate is adjusted.
In one embodiment of the invention, controller is used to the second fan operation frequency initial value being set to predetermined frequency
Any one of first fan operation frequency after rate value, the first fan operation frequency initial value, adjustment, indicates the second temperature afterwards
Spend sensor and three-temperature sensor performs and obtains First Heat Exchanger outlet temperature and the second heat exchanger with predetermined time interval
The operation of outlet temperature.
In one embodiment of the invention, controller is used to judge that First Heat Exchanger outlet temperature and the second heat exchanger go out
Whether mouth temperature is equal；In the case of First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are unequal, according to
The difference of one heat exchanger outlet temperature and the second heat exchanger outlet temperature determines corresponding second blower fan frequency adjustment, and according to
Second blower fan frequency adjustment is adjusted to the second fan operation frequency；In First Heat Exchanger outlet temperature and the second heat exchanger
In the case that outlet temperature is equal, keep the second fan operation frequency constant.
In one embodiment of the invention, in the case where air-conditioning is in refrigeration mode,
The air-conditioning system pressure is air-conditioning system high pressure；The pressure sensor is high pressure sensor, for obtaining sky
Adjusting system high pressure；
First blower fan is fan, and second blower fan is lower blower fan；
The second temperature sensor includes upper condensator outlet temperature sensor, for being obtained with predetermined time interval
Condensator outlet temperature；The First Heat Exchanger outlet temperature is upper condensator outlet temperature；
The three-temperature sensor includes lower condensator outlet temperature sensor, for being obtained down with predetermined time interval
Condensator outlet temperature；Second heat exchanger outlet temperature is lower condensator outlet temperature.
In one embodiment of the invention, the controller is used to determine the absolute pressure with the air-conditioning system high pressure
The corresponding condensation saturation temperature of value；And by adjust fan running frequency cause condensation saturation temperature and external environment temperature it
Difference is in preset range.
In one embodiment of the invention, the controller is used for small in condensation saturation temperature and external environment temperature difference
In the case of first predetermined value, fan running frequency is reduced；It is more than the in condensation saturation temperature and external environment temperature difference
In the case of two predetermined values, fan running frequency is lifted；It is pre- that first is in condensation saturation temperature and external environment temperature difference
In the case of between definite value and second predetermined value, keep fan running frequency constant.
In one embodiment of the invention, in the case where air-conditioning is in heating mode,
The air-conditioning system pressure is air-conditioning system low pressure, and the pressure sensor is low pressure sensor, for obtaining sky
Adjusting system low pressure；
First blower fan is lower blower fan, and second blower fan is fan；
The second temperature sensor includes upper evaporator outlet temperature sensor, for being obtained with predetermined time interval
Evaporator outlet temperature；The First Heat Exchanger outlet temperature is upper evaporator outlet temperature；
The three-temperature sensor includes lower evaporator outlet temperature sensor, for being obtained down with predetermined time interval
Evaporator outlet temperature；Second heat exchanger outlet temperature is lower evaporator outlet temperature.
In one embodiment of the invention, the controller is used to determine the absolute pressure with the air-conditioning system low pressure
The corresponding evaporation saturation temperature of value；And by the lower blower fan running frequency of adjustment cause evaporation saturation temperature and external environment temperature it
Difference is in preset range.
In one embodiment of the invention, the controller is used for small in outer environment temperature and the difference for evaporating saturation temperature
In the case of the first temperature predetermined value, the lower blower fan running frequency of lifting；It is big in the difference of outer environment temperature and evaporation saturation temperature
In the case of second temperature predetermined value, the lower blower fan running frequency of reduction；At the difference of outer environment temperature and evaporation saturation temperature
In the case of between the first temperature predetermined value and second temperature predetermined value, keep lower blower fan running frequency constant.
According to another aspect of the present invention there is provided a kind of fan controller, the fan controller is used to perform
State the method and step described in any embodiment.
According to another aspect of the present invention there is provided a kind of air-conditioner outdoor unit, including the blower fan described in any of the above-described embodiment
Control device.
By the present invention in that the upper and lower heat exchanger of outdoor unit has identical heat transfer effect, changing for outdoor unit heat exchanger is improved
Thermal effect；The invention enables heat exchanger uniform heat exchange, the invalid wasted work of motor is reduced, allows blower fan more to save.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of outer machine heat exchanger one embodiment of air-conditioner outdoor unit of the present invention.
Fig. 2 is the schematic diagram of blower control method first embodiment of the present invention.
Fig. 3 is the schematic diagram of blower control method second embodiment of the present invention.
Fig. 4 is the schematic diagram of blower control method 3rd embodiment of the present invention.
Fig. 5 is the schematic diagram of the embodiment of blower control method the 5th of the present invention.
Fig. 6 is the schematic diagram of fan controller first embodiment of the present invention.
Fig. 7 is the schematic diagram of fan controller second embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any limitation.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Unless specifically stated otherwise, the part and positioned opposite, the digital table of step otherwise illustrated in these embodiments
Do not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing a part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain item exists
It is defined, then it need not be further discussed in subsequent accompanying drawing in one accompanying drawing.
Fig. 1 is the schematic diagram of outer machine heat exchanger one embodiment of air-conditioner outdoor unit of the present invention.It is in a chiller mode below
Example, the problem of cold medium flux of heat exchanger up and down of external machine heat exchanger is different illustrate.
In refrigeration mode, outer machine heat exchanger is exchanged heat as condenser, and refrigerant flow direction is from tracheae to liquid pipe stream
It is dynamic.Heat exchanger is exchanged heat as upper condenser on outer machine, and heat exchanger is exchanged heat as lower condenser under outer machine.
As shown in figure 1, due to Action of Gravity Field, upper condensator outlet pressure P1, lower condensator outlet pressure P2 meet formula
(1)。
P2-P1=ρ gh=(P0-P1)-(P0-P2) ＞ 0 (1)
Wherein, ρ is refrigerant density, and g is acceleration of gravity, and h is the difference in height of upper condensator outlet and lower condensator outlet,
P0For upper condenser inlet and the pressure of lower condenser inlet.
Due to lower condensator outlet pressure P2More than upper condensator outlet pressure P1, then lower condensator outlet pressure is more than
Upper condensator outlet pressure, therefore, lower condensator outlet are more than resistance of the upper condensator outlet to refrigerant to the resistance of refrigerant, from
And cause the flow of upper condenser to be more than the flow of lower condenser.
If the rotating speed of fan (upper condenser fan), lower blower fan (lower condenser fan) is identical, then, small cold of flow
The outlet port temperature T of condenser (lower condenser)2The outlet port temperature T of the condenser (upper condenser) big compared with flow1Height, i.e.,
T1＜ T2.Illustrate that upper and lower condenser heat exchange is uneven, superheating phenomenon occurs in lower condenser.
Therefore, can be by by the lower rotation speed of fan of reduction, making T the invention provides a kind of blower control method and device1
=T2。
The blower control method and device of the present invention are illustrated below by specific embodiment.
Fig. 2 is the schematic diagram of blower control method first embodiment of the present invention.It is preferred that, the present embodiment can be by wind of the present invention
Machine control device is performed.This method comprises the following steps：
Step 21, air-conditioning system pressure and external environment temperature are obtained.
Step 22, air-conditioning system pressure and external environment temperature is caused to meet predetermined bar by adjusting the first fan operation frequency
Part.
In one embodiment of the invention, step 22 can include：Step 221, it is determined that with the air-conditioning system pressure
The corresponding saturation temperature of absolute pressure value.Step 222, the saturation temperature is caused by adjusting the first fan operation frequency
It is in external environment temperature difference in preset range.How the above embodiment of the present invention specifically determines suitable first wind if giving
The method of machine running frequency, in order to subsequently adjust the second fan operation frequency according to the first fan operation frequency.
Step 23, First Heat Exchanger outlet temperature and the second heat exchanger exit are caused by adjusting the second fan operation frequency
Temperature is equal.
In one embodiment of the invention, step 23 can include：
Step 231, the second fan operation frequency initial value is determined.
In one embodiment of the invention, step 231 can include：Second fan operation frequency initial value is set to
Any one of first fan operation frequency after preset frequency value, the first fan operation frequency initial value, adjustment.
Step 232, First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are obtained with predetermined time interval.
Step 233, according to First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature to the second fan operation frequency
It is adjusted.The above embodiment of the present invention give it is specific how first fan operation frequency the first fan operation frequency base
On plinth, the second fan operation frequency is adjusted so that First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature phase
Deng.
In one embodiment of the invention, step 233 can include：
Step 2331, judge whether First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal.
Step 2332, if First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are unequal, changed according to first
Hot device outlet temperature and the difference of the second heat exchanger outlet temperature determine corresponding second blower fan frequency adjustment, and according to second
Blower fan frequency adjustment is adjusted to the second fan operation frequency.
Step 2333, if First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal, the second blower fan is kept
Running frequency is constant.
The above embodiment of the present invention is changed on the basis of first fan operation frequency the first fan operation frequency according to first
Hot device outlet temperature and the difference of the second heat exchanger outlet temperature determine adjustment amount, and the second fan operation frequency is adjusted,
So that First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal.
The blower control method provided based on the above embodiment of the present invention, can be by adjusting the operation of upper and lower blower fan frequently
Rate, to adjust upper and lower rotation speed of fan, so that the upper and lower heat exchanger of outdoor unit has identical heat transfer effect, improves outdoor unit and changes
The heat transfer effect of hot device.The above embodiment of the present invention causes heat exchanger uniform heat exchange, reduces the invalid wasted work of motor, allows blower fan
More save.
Fig. 3 is the schematic diagram of blower control method second embodiment of the present invention.It is preferred that, the present embodiment can be by wind of the present invention
Machine control device is performed.This method comprises the following steps：
Step 31, judge that air-conditioning is in refrigeration mode or heating mode.
Step 32, if air-conditioning is in refrigeration mode, corresponding air-blower control is carried out according to Fig. 2 embodiments.Wherein, it is described
Air-conditioning system pressure is air-conditioning system high pressure, and first blower fan is fan, and second blower fan is lower blower fan, such as Fig. 1 institutes
Show, the First Heat Exchanger outlet temperature is upper condensator outlet temperature T1, second heat exchanger outlet temperature is lower condensation
Device outlet temperature T2。
Step 33, if air-conditioning is in heating mode, corresponding air-blower control is carried out according to Fig. 2 embodiments.Wherein, it is described
Air-conditioning system pressure is air-conditioning system low pressure, and first blower fan is lower blower fan, and second blower fan is fan, such as Fig. 1 institutes
Show, the First Heat Exchanger outlet temperature is upper evaporator outlet temperature T01, second heat exchanger outlet temperature is lower evaporation
Device outlet temperature T02。
The above embodiment of the present invention can realize the control to air conditioner rotation speed of fan, air-conditioning be in refrigeration mode or
, can be by adjusting the running frequency of upper and lower blower fan, to adjust upper and lower rotation speed of fan, so that outdoor unit under heating mode
Upper and lower heat exchanger has identical heat transfer effect, improves the heat transfer effect of outdoor unit heat exchanger.The above embodiment of the present invention causes
Heat exchanger uniform heat exchange, reduces the invalid wasted work of motor, allows blower fan more to save.
Fig. 4 is the schematic diagram of blower control method 3rd embodiment of the present invention.It is preferred that, the present embodiment can be by wind of the present invention
Machine control device is performed.As shown in figure 4, the step 32 of Fig. 3 embodiments specifically may comprise steps of：
Step 321, in the case where air-conditioning is in refrigeration mode, air-conditioning system high pressure (that is, pressure at expulsion, condensation are obtained
Pressure) and external environment temperature t.
Step 322, it is determined that the condensation saturation temperature G corresponding with the absolute pressure value of the air-conditioning system high pressure.
Step 323, to condense at saturation temperature G and external environment temperature t difference by adjusting fan running frequency S1
In in preset range.
In one particular embodiment of the present invention, step 323 can include：
Step 3231, if condensation saturation temperature G and external environment temperature t difference is less than first predetermined value t1, i.e. G-t ＜ t1,
Then reduce fan running frequency S1.
Step 3232, if condensation saturation temperature G and external environment temperature t difference is more than second predetermined value t2, i.e. G-t>T2,
Fan running frequency S1 is then lifted, wherein, it is according to experimental test that second predetermined value t2, which is more than first predetermined value t1, t1, t2,
Efficiency (for example efficiency is more than 3) is obtained.
Step 3233, if condensation saturation temperature G and external environment temperature t difference is in first predetermined value t1 and second predetermined value
Between t2, i.e. t1 ＜ G-t ＜ t2, then keep fan running frequency S1 constant.
Step 324, upper condensator outlet temperature T is caused by the lower blower fan running frequency S2 of adjustment1With lower condensator outlet
Temperature T2It is equal.
In one particular embodiment of the present invention, step 324 can include：
Step 3241, by lower blower fan running frequency S2 be set to preset frequency value, fan running frequency S1 initial value,
Any one of fan running frequency S1 after adjustment.
Step 3242, upper condensator outlet temperature T is obtained with predetermined time interval1With lower condensator outlet temperature T2。
In a preferred embodiment of the invention, predetermined time interval is Z minutes.
Step 3243, condensator outlet temperature T in judgement1With lower condensator outlet temperature T2It is whether equal.
Step 3244, if upper condensator outlet temperature T1With lower condensator outlet temperature T2It is unequal, then according to lower condenser
Outlet temperature T2With upper condensator outlet temperature T1Difference DELTA T determine corresponding leeward unit frequency adjustment amount, and according to lower blower fan
Frequency adjustment is adjusted to lower blower fan running frequency S2, and step 3242 is performed afterwards.
In a preferred embodiment of the invention, the difference DELTA currently calculated can be utilized with look-up table in step 3244
T, inquires about predetermined Δ T and leeward unit frequency adjustment amount mapping table, it is determined that under corresponding to the difference DELTA T currently calculated
Blower fan frequency adjustment.
Step 3245, if upper condensator outlet temperature T1With lower condensator outlet temperature T2It is equal, then keep lower fan operation
Frequency S2 is constant.
The above embodiment of the present invention can realize the control to single cold rotating speed of air conditioner fan, can also realize to air conditioner
The control of rotation speed of fan during in refrigeration mode, specifically can be upper and lower to adjust by adjusting the running frequency of upper and lower blower fan
Rotation speed of fan, so that the upper and lower heat exchanger of outdoor unit has identical heat transfer effect, improves the heat exchange effect of outdoor unit heat exchanger
Really.The above embodiment of the present invention causes heat exchanger uniform heat exchange, reduces the invalid wasted work of motor, allows blower fan more to save.
Fig. 5 is the schematic diagram of the embodiment of blower control method the 5th of the present invention.It is preferred that, the present embodiment can be by wind of the present invention
Machine control device is performed.The above embodiment of the present invention can realize the control to single hot rotating speed of air conditioner fan, can also realize pair
Air conditioner is in the control of rotation speed of fan under heating mode.
As shown in figure 1, in heating mode, outer machine heat exchanger is exchanged heat as evaporator, refrigerant flow direction is from liquid
Pipe flows to tracheae.Heat exchanger is exchanged heat as upper evaporator on outer machine, and heat exchanger is changed as lower evaporator under outer machine
Heat.
As shown in figure 1, due to Action of Gravity Field, upper evaporator inlet pressure P1, lower evaporator inlet pressure P2 meet formula
(1)。
P2-P1=ρ gh=(P0-P1)-(P0-P2) ＞ 0 (1)
Wherein, ρ is refrigerant density, and g is acceleration of gravity, and h is the difference in height of upper evaporator inlet and lower evaporator inlet,
P0For upper evaporator outlet and the pressure of lower evaporator outlet.
Due to lower evaporator inlet pressure P2More than upper evaporator inlet pressure P1, then lower evaporator inlet pressure is more than
Upper evaporator inlet pressure, therefore, lower evaporator inlet are more than power of the upper evaporator inlet to refrigerant to the power of refrigerant, from
And cause the flow of lower evaporator to be more than the flow of upper evaporator.
If the rotating speed of fan (upper evaporator fan), lower blower fan (lower evaporator fan) is identical, then, small cold of flow
The outlet port temperature T of condenser (upper evaporator)01The outlet port temperature T of the condenser (lower evaporator) big compared with flow02Height,
That is T02＜ T01.Illustrate that upper and lower evaporator heat exchange is uneven, superheating phenomenon occurs in upper evaporator.
Therefore the present invention can reduce fan rotating speed, make T by step 3302=T01。
In one embodiment of the invention, as shown in figure 5, the step 33 of Fig. 3 embodiments can specifically include following step
Suddenly：
Step 331, in the case where air-conditioning is in heating mode, air-conditioning system low pressure (that is, pressure of inspiration(Pi), evaporation are obtained
Pressure) and external environment temperature t.
Step 332, it is determined that the evaporation saturation temperature D corresponding with the absolute pressure value of the air-conditioning system low pressure.
Step 333, caused by the lower blower fan running frequency S2 of adjustment at external environment temperature t and evaporation saturation temperature D difference
In in preset range.
In one particular embodiment of the present invention, step 333 can include：
Step 3331, if external environment temperature t and evaporation saturation temperature D difference are less than the first temperature predetermined value t3, i.e. t-D
＜ t3, then lift lower blower fan running frequency S2.
Step 3332, if external environment temperature t and evaporation saturation temperature D difference are more than second temperature predetermined value t4, i.e. t-D>
T4, then lift lower blower fan running frequency S2, wherein, second temperature predetermined value t4 is more than the first temperature predetermined value t3, and t3, t4 are roots
Obtained according to experimental test efficiency (such as efficiency is more than 3).
Step 3333, if external environment temperature t and evaporation saturation temperature D difference are in the temperature of the first temperature predetermined value t3 and second
Spend between predetermined value t4, i.e. t3 ＜ t-D ＜ t4, then keep lower blower fan running frequency S2 constant.
Step 334, upper evaporator outlet temperature T is caused by adjusting fan running frequency S101With lower evaporator outlet
Temperature T02It is equal.
In one particular embodiment of the present invention, step 334 can include：
Step 3341, by fan running frequency S1 be set to preset frequency value, lower blower fan running frequency S2 initial value,
Any one of lower blower fan running frequency S2 after adjustment.
Step 3342, upper evaporator outlet temperature T is obtained with predetermined time interval01With lower evaporator outlet temperature T02。
In a preferred embodiment of the invention, predetermined time interval is Z minutes.
Step 3343, evaporator outlet temperature T in judgement01With lower evaporator outlet temperature T02It is whether equal.
Step 3344, if upper evaporator outlet temperature T01With lower evaporator outlet temperature T02It is unequal, then according to upper evaporation
Device outlet temperature T01With lower evaporator outlet temperature T02Difference DELTA T0Corresponding fan frequency adjustment is determined, and according to upper
Blower fan frequency adjustment is adjusted to fan running frequency S1, and step 3342 is performed afterwards.
In a preferred embodiment of the invention, the difference DELTA currently calculated can be utilized with look-up table in step 3344
T0, inquire about predetermined Δ T0With the mapping table of fan frequency adjustment, it is determined that the difference DELTA T currently calculated0Corresponding
Fan frequency adjustment.
Step 3345, if upper condensator outlet temperature T1With lower condensator outlet temperature T2It is equal, then keep fan operation
Frequency S1 is constant.
The present invention can realize the control to single hot rotating speed of air conditioner fan, can also realize to be in air conditioner and heat mould
The control of rotation speed of fan during formula, specifically can by adjusting the running frequency of upper and lower blower fan, to adjust upper and lower rotation speed of fan, from
And the upper and lower heat exchanger of outdoor unit is had identical heat transfer effect, improve the heat transfer effect of outdoor unit heat exchanger.The present invention is above-mentioned
Embodiment causes heat exchanger uniform heat exchange, reduces the invalid wasted work of motor, allows blower fan more to save.
Fig. 6 is the schematic diagram of fan controller first embodiment of the present invention.As shown in fig. 6, the fan controller
Including pressure sensor 61, the first temperature sensor 62 and controller 63, wherein：
Pressure sensor 61, for obtaining air-conditioning system pressure.
First temperature sensor 62, for obtaining external environment temperature t.
Controller 63, for make it that air-conditioning system pressure and external environment temperature t are full by adjusting the first fan operation frequency
Sufficient predetermined condition；And cause First Heat Exchanger outlet temperature and the second heat exchanger exit temperature by adjusting the second fan operation frequency
Degree is equal.
In one embodiment of the invention, controller 63 is specifically for determining the absolute pressure with the air-conditioning system pressure
The corresponding saturation temperature of force value；By adjust the first fan operation frequency cause the saturation temperature and external environment temperature t it
Difference is in preset range.
The fan controller provided based on the above embodiment of the present invention, can be by adjusting the operation of upper and lower blower fan frequently
Rate, to adjust upper and lower rotation speed of fan, so that the upper and lower heat exchanger of outdoor unit has identical heat transfer effect, improves outdoor unit and changes
The heat transfer effect of hot device.The above embodiment of the present invention causes heat exchanger uniform heat exchange, reduces the invalid wasted work of motor, allows blower fan
More save.
Fig. 7 is the schematic diagram of fan controller second embodiment of the present invention.Compared with embodiment illustrated in fig. 6, in Fig. 7 institutes
Show in embodiment, the fan controller can also include second temperature sensor 64 and three-temperature sensor 65, wherein：
Second temperature sensor 64, for obtaining First Heat Exchanger outlet temperature with predetermined time interval.
Three-temperature sensor 65, for obtaining the second heat exchanger outlet temperature with predetermined time interval.
Controller 63 is used for according to First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature to the second fan operation
Frequency is adjusted.
In one embodiment of the invention, controller 63 specifically can be used for setting the second fan operation frequency initial value
Any one of first fan operation frequency being set to after preset frequency value, the first fan operation frequency initial value, adjustment, afterwards
Indicate that second temperature sensor 64 and three-temperature sensor 65 are performed and First Heat Exchanger outlet temperature is obtained with predetermined time interval
The operation of degree and the second heat exchanger outlet temperature.
In one embodiment of the invention, controller 63 is specific can be used for judging First Heat Exchanger outlet temperature and the
Whether two heat exchanger outlet temperatures are equal；In First Heat Exchanger outlet temperature and the unequal situation of the second heat exchanger outlet temperature
Under, determine that corresponding second blower fan frequency is adjusted according to the difference of First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature
Amount, and the second fan operation frequency is adjusted according to the second blower fan frequency adjustment；In First Heat Exchanger outlet temperature and
In the case that second heat exchanger outlet temperature is equal, keep the second fan operation frequency constant.
First specific example
In the case where air-conditioning is in refrigeration mode, the air-conditioning system pressure is air-conditioning system high pressure；The pressure is passed
Sensor 61 is high pressure sensor, for obtaining air-conditioning system high pressure.
First blower fan is fan, and second blower fan is lower blower fan.
As shown in figure 1, the second temperature sensor 64 includes upper condensator outlet temperature sensor, for pre- timing
Between condensator outlet temperature T in interval acquiring1；The First Heat Exchanger outlet temperature is upper condensator outlet temperature.
The three-temperature sensor 65 includes lower condensator outlet temperature sensor, for being obtained with predetermined time interval
Lower condensator outlet temperature T2；Second heat exchanger outlet temperature is lower condensator outlet temperature.
In one embodiment of the invention, the controller 63 is used to determine the absolute pressure with the air-conditioning system high pressure
The corresponding condensation saturation temperature G of force value；And cause condensation saturation temperature G and external environment by adjusting fan running frequency S1
Temperature t difference is in preset range.
In one embodiment of the invention, the controller 63 be used for condensation saturation temperature G and external environment temperature t it
In the case that difference is less than first predetermined value t1, fan running frequency S1 is reduced；In condensation saturation temperature G and external environment temperature t
Difference be more than second predetermined value t2 in the case of, lift fan running frequency S1；In condensation saturation temperature G and external environment temperature
In the case that t difference is between first predetermined value t1 and second predetermined value t2, keep fan running frequency S1 constant.
The above embodiment of the present invention can realize the control to single cold rotating speed of air conditioner fan, can also realize to air conditioner
The control of rotation speed of fan during in refrigeration mode, specifically can be upper and lower to adjust by adjusting the running frequency of upper and lower blower fan
Rotation speed of fan, so that the upper and lower heat exchanger of outdoor unit has identical heat transfer effect, improves the heat exchange effect of outdoor unit heat exchanger
Really.The above embodiment of the present invention causes heat exchanger uniform heat exchange, reduces the invalid wasted work of motor, allows blower fan more to save.
Second specific example
In the case where air-conditioning is in heating mode, the air-conditioning system pressure is air-conditioning system low pressure, and the pressure is passed
Sensor 61 is low pressure sensor, for obtaining air-conditioning system low pressure.
First blower fan is lower blower fan, and second blower fan is fan.
The second temperature sensor 64 includes upper evaporator outlet temperature sensor, for being obtained with predetermined time interval
Upper evaporator outlet temperature；The First Heat Exchanger outlet temperature is upper evaporator outlet temperature.
The three-temperature sensor 65 includes lower evaporator outlet temperature sensor, for being obtained with predetermined time interval
Lower evaporator outlet temperature；Second heat exchanger outlet temperature is lower evaporator outlet temperature.
In one embodiment of the invention, the controller 63 is used to determine the absolute pressure with the air-conditioning system low pressure
The corresponding evaporation saturation temperature of force value；And evaporation saturation temperature and external environment temperature are caused by the lower blower fan running frequency of adjustment
T difference is in preset range.
In one embodiment of the invention, the controller 63 be used for outer environment temperature t and evaporation saturation temperature it
In the case that difference is less than the first temperature predetermined value t3, the lower blower fan running frequency of lifting；In outer environment temperature t and evaporation saturation temperature
Difference be more than second temperature predetermined value in the case of, the lower blower fan running frequency of reduction；In outer environment temperature t and evaporation saturation temperature
Difference be between the first temperature predetermined value t3 and second temperature predetermined value in the case of, keep lower blower fan running frequency constant.
The present invention can realize the control to single hot rotating speed of air conditioner fan, can also realize to be in air conditioner and heat mould
The control of rotation speed of fan during formula, specifically can by adjusting the running frequency of upper and lower blower fan, to adjust upper and lower rotation speed of fan, from
And the upper and lower heat exchanger of outdoor unit is had identical heat transfer effect, improve the heat transfer effect of outdoor unit heat exchanger.The present invention is above-mentioned
Embodiment causes heat exchanger uniform heat exchange, reduces the invalid wasted work of motor, allows blower fan more to save.
According to another aspect of the present invention there is provided a kind of fan controller, the fan controller is used to perform
State the method and step described in any embodiment.
The fan controller provided based on the above embodiment of the present invention, can be by adjusting the operation of upper and lower blower fan frequently
Rate, to adjust upper and lower rotation speed of fan, so that the upper and lower heat exchanger of outdoor unit has identical heat transfer effect, improves outdoor unit and changes
The heat transfer effect of hot device.The above embodiment of the present invention causes heat exchanger uniform heat exchange, reduces the invalid wasted work of motor, allows blower fan
More save.
According to another aspect of the present invention there is provided a kind of air-conditioner outdoor unit, including the blower fan described in any of the above-described embodiment
Control device.
The outdoor unit provided based on the above embodiment of the present invention, can adjust upper and lower blower fan by fan controller
Running frequency, to adjust upper and lower rotation speed of fan, so that the upper and lower heat exchanger of outdoor unit has identical heat transfer effect, improves room
The heat transfer effect of outer machine heat exchanger.The above embodiment of the present invention causes heat exchanger uniform heat exchange, reduces the invalid wasted work of motor,
Blower fan is allowed more to save.
Controller described above can be implemented as perform function described herein general processor, can
Programmed logic controller (PLC), digital signal processor (DSP), application specific integrated circuit (ASIC), field programmable gate array
Or other PLDs, discrete gate or transistor logic, discrete hardware components or its is any (FPGA)
It is appropriately combined.
So far, the present invention is described in detail.In order to avoid the design of the masking present invention, this area institute is not described public
Some details known.Those skilled in the art can be appreciated how to implement technology disclosed herein as described above, completely
Scheme.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can be by hardware
To complete, the hardware of correlation can also be instructed to complete by program, described program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
Description of the invention is provided for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch
State embodiment and be more preferably to illustrate the principle and practical application of the present invention, and one of ordinary skill in the art is managed
The solution present invention is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (24)
1. a kind of blower control method, it is characterised in that including：
Obtain air-conditioning system pressure and external environment temperature；
Air-conditioning system pressure and external environment temperature is caused to meet predetermined condition by adjusting the first fan operation frequency；
Make it that First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal by adjusting the second fan operation frequency.
2. blower control method according to claim 1, it is characterised in that described by adjusting the first fan operation frequency
So that air-conditioning system pressure and external environment temperature meet predetermined condition and included：
It is determined that the saturation temperature corresponding with the absolute pressure value of the air-conditioning system pressure；
By adjusting the first fan operation frequency the saturation temperature and external environment temperature difference are in preset range.
3. blower control method according to claim 1, it is characterised in that described by adjusting the second fan operation frequency
So that First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature it is equal including：
First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are obtained with predetermined time interval；
The second fan operation frequency is adjusted according to First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature.
4. blower control method according to claim 3, it is characterised in that described by adjusting the second fan operation frequency
So that First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature is equal also includes：
Second fan operation frequency initial value is set to after preset frequency value, the first fan operation frequency initial value, adjustment
Any one of first fan operation frequency, performs obtain First Heat Exchanger outlet temperature and second with predetermined time interval afterwards
The step of heat exchanger outlet temperature.
5. blower control method according to claim 3, it is characterised in that it is described according to First Heat Exchanger outlet temperature and
Second heat exchanger outlet temperature the second fan operation frequency is adjusted including：
Judge whether First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal；
If First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are unequal, according to First Heat Exchanger outlet temperature and
The difference of second heat exchanger outlet temperature determines corresponding second blower fan frequency adjustment, and according to the second blower fan frequency adjustment
Second fan operation frequency is adjusted；
If First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal, keep the second fan operation frequency constant.
6. the blower control method according to any one of claim 1-5, it is characterised in that
In the case where air-conditioning is in refrigeration mode, the air-conditioning system pressure is air-conditioning system high pressure, and first blower fan is
Fan, second blower fan is lower blower fan, and the First Heat Exchanger outlet temperature is upper condensator outlet temperature, described second
Heat exchanger outlet temperature is lower condensator outlet temperature.
7. blower control method according to claim 6, it is characterised in that described by adjusting the first fan operation frequency
So that air-conditioning system pressure and external environment temperature meet predetermined condition and included：
It is determined that the condensation saturation temperature corresponding with the absolute pressure value of the air-conditioning system high pressure；
By adjusting fan running frequency condensation saturation temperature and external environment temperature difference are in preset range.
8. blower control method according to claim 7, it is characterised in that described to be made by adjusting fan running frequency
Saturation temperature and external environment temperature difference must be condensed to be included in preset range：
If condensing saturation temperature and external environment temperature difference being less than first predetermined value, fan running frequency is reduced；
If condensing saturation temperature and external environment temperature difference being more than second predetermined value, fan running frequency is lifted；
If condensing saturation temperature and external environment temperature difference being between first predetermined value and second predetermined value, fan is kept
Running frequency is constant.
9. the blower control method according to any one of claim 1-5, it is characterised in that
In the case where air-conditioning is in heating mode, the air-conditioning system pressure is air-conditioning system low pressure, and first blower fan is
Lower blower fan, second blower fan is fan, and the First Heat Exchanger outlet temperature is upper evaporator outlet temperature, described second
Heat exchanger outlet temperature is lower evaporator outlet temperature.
10. blower control method according to claim 9, it is characterised in that described by adjusting the first fan operation frequency
Rate causes air-conditioning system pressure and external environment temperature to meet predetermined condition and include：
It is determined that the evaporation saturation temperature corresponding with the absolute pressure value of the air-conditioning system low pressure；
By adjustment lower blower fan running frequency evaporation saturation temperature and external environment temperature difference are in preset range.
11. blower control method according to claim 10, it is characterised in that described to pass through the lower blower fan running frequency of adjustment
Include so that evaporation saturation temperature and external environment temperature difference are in preset range：
If the difference of external environment temperature and evaporation saturation temperature is less than the first temperature predetermined value, the lower blower fan running frequency of lifting；
If the difference of external environment temperature and evaporation saturation temperature is more than second temperature predetermined value, the lower blower fan running frequency of reduction；
If the difference of external environment temperature and evaporation saturation temperature is between the first temperature predetermined value and second temperature predetermined value, protect
Hold lower blower fan running frequency constant.
12. a kind of fan controller, it is characterised in that including：
Pressure sensor, for obtaining air-conditioning system pressure；
First temperature sensor, for obtaining external environment temperature；
Controller, for causing air-conditioning system pressure and external environment temperature to meet predetermined bar by adjusting the first fan operation frequency
Part；And make it that First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal by adjusting the second fan operation frequency.
13. fan controller according to claim 12, it is characterised in that
Controller is used to determine the saturation temperature corresponding with the absolute pressure value of the air-conditioning system pressure；Pass through adjustment first
Fan operation frequency causes the saturation temperature and external environment temperature difference to be in preset range.
14. fan controller according to claim 12, it is characterised in that also include：
Second temperature sensor, for obtaining First Heat Exchanger outlet temperature with predetermined time interval；
Three-temperature sensor, for obtaining the second heat exchanger outlet temperature with predetermined time interval；
Controller is used to enter the second fan operation frequency according to First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature
Row adjustment.
15. fan controller according to claim 14, it is characterised in that
Controller is initial for the second fan operation frequency initial value to be set into preset frequency value, the first fan operation frequency
Any one of first fan operation frequency after value, adjustment, indicates second temperature sensor and three-temperature sensor afterwards
Perform the operation that First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are obtained with predetermined time interval.
16. fan controller according to claim 14, it is characterised in that
Controller is used to judge whether First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal；In First Heat Exchanger
In the case of outlet temperature and the second heat exchanger outlet temperature are unequal, according to First Heat Exchanger outlet temperature and the second heat exchanger
The difference of outlet temperature determines corresponding second blower fan frequency adjustment, and according to the second blower fan frequency adjustment to the second blower fan
Running frequency is adjusted；In the case where First Heat Exchanger outlet temperature and the second heat exchanger outlet temperature are equal, the is kept
Two fan operation frequencies are constant.
17. the fan controller according to any one of claim 12-16, it is characterised in that be in refrigeration in air-conditioning
In the case of pattern,
The air-conditioning system pressure is air-conditioning system high pressure；The pressure sensor is high pressure sensor, for obtaining air-conditioning system
System high pressure；
First blower fan is fan, and second blower fan is lower blower fan；
The second temperature sensor includes upper condensator outlet temperature sensor, for obtaining condensation with predetermined time interval
Device outlet temperature；The First Heat Exchanger outlet temperature is upper condensator outlet temperature；
The three-temperature sensor includes lower condensator outlet temperature sensor, for obtaining lower condense with predetermined time interval
Device outlet temperature；Second heat exchanger outlet temperature is lower condensator outlet temperature.
18. fan controller according to claim 17, it is characterised in that
The controller is used to determine the condensation saturation temperature corresponding with the absolute pressure value of the air-conditioning system high pressure；And lead to
Crossing adjustment fan running frequency causes condensation saturation temperature and external environment temperature difference to be in preset range.
19. fan controller according to claim 18, it is characterised in that
The controller is used in the case where condensation saturation temperature and external environment temperature difference are less than first predetermined value, in reduction
Fan operation frequency；In the case where condensation saturation temperature and external environment temperature difference are more than second predetermined value, fan is lifted
Running frequency；The situation between first predetermined value and second predetermined value is in condensation saturation temperature and external environment temperature difference
Under, keep fan running frequency constant.
20. the fan controller according to any one of claim 12-16, it is characterised in that be in and heat in air-conditioning
In the case of pattern,
The air-conditioning system pressure is air-conditioning system low pressure, and the pressure sensor is low pressure sensor, for obtaining air-conditioning system
System low pressure；
First blower fan is lower blower fan, and second blower fan is fan；
The second temperature sensor includes upper evaporator outlet temperature sensor, for obtaining evaporation with predetermined time interval
Device outlet temperature；The First Heat Exchanger outlet temperature is upper evaporator outlet temperature；
The three-temperature sensor includes lower evaporator outlet temperature sensor, for obtaining lower evaporate with predetermined time interval
Device outlet temperature；Second heat exchanger outlet temperature is lower evaporator outlet temperature.
21. fan controller according to claim 20, it is characterised in that
The controller is used to determine the evaporation saturation temperature corresponding with the absolute pressure value of the air-conditioning system low pressure；And lead to
Crossing adjustment leeward machine running frequency causes evaporation saturation temperature and external environment temperature difference to be in preset range.
22. fan controller according to claim 21, it is characterised in that
The controller is used to, in the case where the difference of outer environment temperature and evaporation saturation temperature is less than the first temperature predetermined value, carry
Rise lower blower fan running frequency；In the case where the difference of outer environment temperature and evaporation saturation temperature is more than second temperature predetermined value, drop
Low fan operation frequency；It is pre- in the first temperature predetermined value and second temperature in outer environment temperature and the difference for evaporating saturation temperature
In the case of between definite value, keep lower blower fan running frequency constant.
23. a kind of fan controller, it is characterised in that the fan controller is used for perform claim and requires any in 1-11
Method and step described in.
24. a kind of air-conditioner outdoor unit, it is characterised in that including the fan controller any one of claim 12-23.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637708.1A CN107328026B (en) | 2017-07-31 | 2017-07-31 | Blower control method and device, air-conditioner outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637708.1A CN107328026B (en) | 2017-07-31 | 2017-07-31 | Blower control method and device, air-conditioner outdoor unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107328026A true CN107328026A (en) | 2017-11-07 |
| CN107328026B CN107328026B (en) | 2019-06-25 |
Family
ID=60199498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710637708.1A Active CN107328026B (en) | 2017-07-31 | 2017-07-31 | Blower control method and device, air-conditioner outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107328026B (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210675A (en) * | 2018-08-01 | 2019-01-15 | 珠海格力电器股份有限公司 | Control method, device, equipment and the air-conditioning of outdoor fan of air-conditioner |
| CN109654675A (en) * | 2018-12-17 | 2019-04-19 | 珠海格力电器股份有限公司 | Blower control method, air-conditioning system, ducting system and computer readable storage medium |
| CN110836491A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836489A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836497A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836499A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836501A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836496A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836469A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836461A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836490A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836465A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836487A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836488A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836462A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836495A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN114909312A (en) * | 2021-12-23 | 2022-08-16 | 国网宁夏电力有限公司超高压公司 | Fan control method and system of air cooling system and electronic equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000055119A (en) * | 1999-02-03 | 2000-09-05 | 구자홍 | method for control outdoor fan of multi-air conditioner |
| CN1542355A (en) * | 2003-04-30 | 2004-11-03 | 乐金电子(天津)电器有限公司 | Apparatus for controlling operation of outdoor unit and its method |
| CN101400955A (en) * | 2006-03-23 | 2009-04-01 | 大金工业株式会社 | Refrigeration system, and analyzer of refrigeration system |
| CN102121741A (en) * | 2011-03-14 | 2011-07-13 | 广东美的电器股份有限公司 | Multi-connection air conditioning unit and control method thereof during small-load refrigeration running |
| JP2012198007A (en) * | 2011-03-23 | 2012-10-18 | Mitsubishi Electric Corp | Air conditioning system |
| KR20140143895A (en) * | 2013-06-10 | 2014-12-18 | 삼성전자주식회사 | Air conditional and method for controlling the same |
| CN104879950A (en) * | 2015-05-26 | 2015-09-02 | 珠海格力电器股份有限公司 | Air conditioner all-in-one machine system and control method thereof |
| JP6052488B2 (en) * | 2012-07-09 | 2016-12-27 | 株式会社富士通ゼネラル | Air conditioner |
-
2017
- 2017-07-31 CN CN201710637708.1A patent/CN107328026B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000055119A (en) * | 1999-02-03 | 2000-09-05 | 구자홍 | method for control outdoor fan of multi-air conditioner |
| CN1542355A (en) * | 2003-04-30 | 2004-11-03 | 乐金电子(天津)电器有限公司 | Apparatus for controlling operation of outdoor unit and its method |
| CN101400955A (en) * | 2006-03-23 | 2009-04-01 | 大金工业株式会社 | Refrigeration system, and analyzer of refrigeration system |
| CN102121741A (en) * | 2011-03-14 | 2011-07-13 | 广东美的电器股份有限公司 | Multi-connection air conditioning unit and control method thereof during small-load refrigeration running |
| JP2012198007A (en) * | 2011-03-23 | 2012-10-18 | Mitsubishi Electric Corp | Air conditioning system |
| JP6052488B2 (en) * | 2012-07-09 | 2016-12-27 | 株式会社富士通ゼネラル | Air conditioner |
| KR20140143895A (en) * | 2013-06-10 | 2014-12-18 | 삼성전자주식회사 | Air conditional and method for controlling the same |
| CN104879950A (en) * | 2015-05-26 | 2015-09-02 | 珠海格力电器股份有限公司 | Air conditioner all-in-one machine system and control method thereof |
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210675A (en) * | 2018-08-01 | 2019-01-15 | 珠海格力电器股份有限公司 | Control method, device, equipment and the air-conditioning of outdoor fan of air-conditioner |
| CN110836462A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836489A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836501B (en) * | 2018-08-17 | 2021-07-23 | 郑州海尔空调器有限公司 | Defrosting control method for air conditioner |
| CN110836497A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836499A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836501A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836496A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836469A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836461A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836490A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836465A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836487A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836488A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836495A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836489B (en) * | 2018-08-17 | 2021-10-29 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836491A (en) * | 2018-08-17 | 2020-02-25 | 青岛海尔空调器有限总公司 | Defrosting control method for air conditioner |
| CN110836490B (en) * | 2018-08-17 | 2021-07-23 | 重庆海尔空调器有限公司 | Defrosting control method for air conditioner |
| CN110836469B (en) * | 2018-08-17 | 2021-07-23 | 郑州海尔空调器有限公司 | Defrosting control method for air conditioner |
| CN110836488B (en) * | 2018-08-17 | 2021-07-23 | 郑州海尔空调器有限公司 | Defrosting control method for air conditioner |
| CN110836465B (en) * | 2018-08-17 | 2021-07-23 | 重庆海尔空调器有限公司 | Defrosting control method for air conditioner |
| CN110836491B (en) * | 2018-08-17 | 2021-07-23 | 郑州海尔空调器有限公司 | Defrosting control method for air conditioner |
| CN110836462B (en) * | 2018-08-17 | 2021-09-21 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836497B (en) * | 2018-08-17 | 2021-09-21 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836461B (en) * | 2018-08-17 | 2021-09-21 | 重庆海尔空调器有限公司 | Air conditioner frosting control method |
| CN110836496B (en) * | 2018-08-17 | 2021-09-21 | 重庆海尔空调器有限公司 | Air conditioner frosting control method |
| CN110836487B (en) * | 2018-08-17 | 2021-09-24 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN110836495B (en) * | 2018-08-17 | 2021-10-29 | 青岛海尔空调器有限总公司 | Air conditioner frosting control method |
| CN109654675A (en) * | 2018-12-17 | 2019-04-19 | 珠海格力电器股份有限公司 | Blower control method, air-conditioning system, ducting system and computer readable storage medium |
| CN114909312B (en) * | 2021-12-23 | 2023-09-15 | 国网宁夏电力有限公司超高压公司 | Fan control method and system of air cooling system and electronic equipment |
| CN114909312A (en) * | 2021-12-23 | 2022-08-16 | 国网宁夏电力有限公司超高压公司 | Fan control method and system of air cooling system and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107328026B (en) | 2019-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107328026A (en) | Blower control method and device, air-conditioner outdoor unit | |
| US10775062B2 (en) | Method for cleaning air conditioner indoor unit and outdoor unit | |
| CN106247552B (en) | It is a kind of for the control method of air-conditioning, device and air-conditioning | |
| Choi et al. | Capacity modulation of an inverter-driven multi-air conditioner using electronic expansion valves | |
| JP2015203563A (en) | Refrigerant circulation path | |
| CN107143994A (en) | Air-conditioning condensation prevention control method and indoor apparatus of air conditioner | |
| CN106196495A (en) | Control device, control method and the multi-gang air-conditioner of a kind of multi-gang air-conditioner | |
| CN106322679A (en) | Control method for outdoor fan of air conditioner | |
| CN104764143B (en) | The constant temperature dehumidification control method and control system of air conditioner | |
| JP2004218879A (en) | Air conditioner and its control method | |
| CN106610082A (en) | Air-conditioning mode switching method and device | |
| CN106642511A (en) | Window type air conditioner and control method and device thereof | |
| JP2016090098A (en) | Air conditioner | |
| JP2016085016A (en) | Air conditioner | |
| WO2017109906A1 (en) | Air conditioner | |
| JP3993015B2 (en) | Air conditioner | |
| KR100826932B1 (en) | A control method of an air conditioner | |
| CN105066327B (en) | Indoor fan control method and device | |
| JP3194652B2 (en) | Air conditioner | |
| CN109458709A (en) | A kind of air humidity adjusting device and control method | |
| CN206648355U (en) | A kind of heat exchanger and air conditioner | |
| JP5504211B2 (en) | ENVIRONMENT CONTROL DEVICE AND ENVIRONMENT CONTROL METHOD | |
| JP2018071893A (en) | Air conditioner | |
| JPH08276720A (en) | Air conditioner for vehicle | |
| JPH07151419A (en) | Heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |