CN108317702A - Air-conditioning and its air conditioner load control method and device - Google Patents
Air-conditioning and its air conditioner load control method and device Download PDFInfo
- Publication number
- CN108317702A CN108317702A CN201810114158.XA CN201810114158A CN108317702A CN 108317702 A CN108317702 A CN 108317702A CN 201810114158 A CN201810114158 A CN 201810114158A CN 108317702 A CN108317702 A CN 108317702A
- Authority
- CN
- China
- Prior art keywords
- load
- temperature
- outlet air
- current
- difference
- 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
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The present invention discloses a kind of air-conditioning and its air conditioner load control method and device.This method includes：Receive target wind pushing temperature input by user；Obtain current outlet air dry-bulb temperature and current outlet air wet-bulb temperature；Current unit load is adjusted according to target wind pushing temperature, current outlet air dry-bulb temperature and current outlet air wet-bulb temperature.The present invention is controlled by using wet-bulb temperature and dry-bulb temperature combination misalignment, can be accurately determined the relationship of wind pushing temperature and reality output load；User demand is set to be in a benign corresponding relationship with actual set load, to make unit operation more stablize.
Description
Technical field
The present invention relates to airconditioning control field, more particularly to a kind of air-conditioning and its air conditioner load control method and device.
Background technology
Current High cooling power frequency conversion commercialization Water cooling cold air blower group market largely occurs, for spatial load forecasting, mostly
Several control programs is all fairly simple, and face single control targe is done, in this case for unit manufactures and designs direction
Really many time can be saved, but are not special for other side, that is, for user experience, control sensitivity
It is good.
Such as the wind pushing temperature deviation control that current many units use, it is controlled directly against wind pushing temperature target, this
It is of course possible to use, pattern is simple, directly controls output load for kind of control model, there is problems in that air be different from water this
The single-phase body of kind, there are humidity and mass dryness fraction two indices, the two indexs determine enthalpy and load output simultaneously.
Invention content
In view of the above technical problem, the present invention provides a kind of air-conditioning and its air conditioner load control method and devices, use
Wet-bulb temperature and the control of dry-bulb temperature combination misalignment, can be accurately determined the relationship of wind pushing temperature and reality output load.
According to an aspect of the present invention, a kind of air conditioner load control method is provided, including：
Receive target wind pushing temperature input by user；
Obtain current outlet air dry-bulb temperature and current outlet air wet-bulb temperature；
Current unit load is carried out according to target wind pushing temperature, current outlet air dry-bulb temperature and current outlet air wet-bulb temperature
Adjustment.
In one embodiment of the invention, described to go out according to target wind pushing temperature, current outlet air dry-bulb temperature and currently
Wind wet-bulb temperature to current unit load be adjusted including：
Determine that wind-warm syndrome is poor according to target wind pushing temperature and current outlet air dry-bulb temperature；
Determine that humiture is poor according to current outlet air dry-bulb temperature and current outlet air wet-bulb temperature；
According to the outlet air wet-bulb temperature temperature change rate before current outlet air wet-bulb temperature and predetermined time interval；
Current unit load is adjusted according to the outlet air temperature difference, humiture difference and rate of temperature change.
In one embodiment of the invention, it is described according to the outlet air temperature difference, humiture difference and rate of temperature change to current machine
Group load be adjusted including：
Judge that wind-warm syndrome is poor, whether humiture difference and the sum of rate of temperature change are more than or equal to first predetermined value；
If the sum of the outlet air temperature difference, humiture difference and rate of temperature change are more than or equal to first predetermined value, increase current unit
Load.
In one embodiment of the invention, it is described according to the outlet air temperature difference, humiture difference and rate of temperature change to current machine
Group load, which is adjusted, further includes：
If the sum of the outlet air temperature difference, humiture difference and rate of temperature change are less than first predetermined value, judge that wind-warm syndrome is poor, warm and humid
Whether the sum of degree difference and rate of temperature change are more than or equal to second predetermined value, and wherein second predetermined value is less than first predetermined value；
If the sum of the outlet air temperature difference, humiture difference and rate of temperature change are more than or equal to second predetermined value, current unit is kept
Load is constant；
If the sum of the outlet air temperature difference, humiture difference and rate of temperature change are less than second predetermined value, current unit load is reduced.
In one embodiment of the invention, the current unit load of increase includes：
Load variations amount is determined according to the outlet air temperature difference, humiture difference and rate of temperature change；
Current unit load is increased into the load variations amount.
In one embodiment of the invention, the current unit load of reduction includes：
Load variations amount is determined according to the outlet air temperature difference, humiture difference and rate of temperature change；
Current unit load is reduced into the load variations amount.
In one embodiment of the invention, the method further includes：
Judge whether current unit load reaches maximum load；
If current unit load reaches maximum load, existing load operation is kept.
In one embodiment of the invention, the method further includes：
Judge whether current unit load reaches minimum load；
If current unit load reaches minimum load, after being kept for the minimum load operation predetermined time, judge wind-warm syndrome it is poor,
Whether the sum of humiture difference and rate of temperature change are less than or equal to third predetermined value, and wherein third predetermined value is less than second predetermined value；
If the sum of the outlet air temperature difference, humiture difference and rate of temperature change are less than or equal to third predetermined value, unit is closed.
According to another aspect of the present invention, a kind of air conditioner load control device is provided, including：
Wind pushing temperature receiving module, for receiving target wind pushing temperature input by user；
Current Temperatures acquisition module, for obtaining current outlet air dry-bulb temperature and current outlet air wet-bulb temperature；
Load adjustment module, for according to target wind pushing temperature, current outlet air dry-bulb temperature and current outlet air wet-bulb temperature
Current unit load is adjusted.
In one embodiment of the invention, load adjustment module includes：
Outlet air temperature difference determination unit, for determining that wind-warm syndrome is poor according to target wind pushing temperature and current outlet air dry-bulb temperature；
Humiture difference determination unit, for determining humiture according to current outlet air dry-bulb temperature and current outlet air wet-bulb temperature
Difference；
Rate of temperature change determination unit, for going out rheumatism according to before current outlet air wet-bulb temperature and predetermined time interval
Ball temperature temperature change rate；
Load adjustment unit, for being carried out to current unit load according to the outlet air temperature difference, humiture difference and rate of temperature change
Adjustment.
In one embodiment of the invention, load adjustment unit includes：
First judging submodule, for judging that wind-warm syndrome is poor, whether humiture difference and the sum of rate of temperature change are more than or equal to
First predetermined value；
First load adjustment submodule, for being determined in the first judging submodule, wind-warm syndrome is poor, humiture difference and temperature become
In the case that the sum of rate is more than or equal to first predetermined value, increase current unit load.
In one embodiment of the invention, load adjustment unit further includes：
Second judgment submodule, for being determined in the first judging submodule, wind-warm syndrome is poor, humiture is poor and rate of temperature change
The sum of be less than first predetermined value in the case of, judge that wind-warm syndrome is poor, humiture is poor and whether the sum of rate of temperature change be more than or equal to
Second predetermined value, wherein second predetermined value are less than first predetermined value；
Second load adjustment submodule, for being determined in second judgment submodule, wind-warm syndrome is poor, humiture difference and temperature become
In the case that the sum of rate is more than or equal to second predetermined value, keep current unit load constant；
Third load adjustment submodule, for being determined in second judgment submodule, wind-warm syndrome is poor, humiture difference and temperature become
In the case that the sum of rate is less than second predetermined value, current unit load is reduced.
In one embodiment of the invention, the first load adjustment submodule be used for according to the outlet air temperature difference, humiture difference and
Rate of temperature change determines load variations amount；Current unit load is increased into the load variations amount.
In one embodiment of the invention, third load adjustment submodule be used for according to the outlet air temperature difference, humiture difference and
Rate of temperature change determines load variations amount；Current unit load is reduced into the load variations amount.
In one embodiment of the invention, load adjustment module further includes：
Maximum load judging unit, for judging whether current unit load reaches maximum load；
Load adjustment unit is additionally operable to judge that current unit load reaches the feelings of maximum load in maximum load judging unit
Under condition, existing load operation is kept.
In one embodiment of the invention, load adjustment module further includes：
Minimum load judging unit, for judging whether current unit load reaches minimum load；
Load adjustment unit is additionally operable to judge that current unit load reaches the feelings of minimum load in minimum load judging unit
Under condition, minimum load operation is kept；
Cut-off condition judging unit, for after unit is kept for the minimum load operation predetermined time, judging that wind-warm syndrome is poor, warm
Whether the sum of psychrometric difference and rate of temperature change are less than or equal to third predetermined value, and wherein third predetermined value is less than second predetermined value；
Shut down unit, for determining that wind-warm syndrome is poor, humiture is poor and the sum of rate of temperature change in cut-off condition judging unit
In the case of less than or equal to third predetermined value, unit is closed.
According to another aspect of the present invention, a kind of air conditioner load control device, including memory, processor and storage are provided
On a memory and the computer program that can run on a processor, the processor are realized any of the above-described when executing described program
Method and step described in embodiment.
According to another aspect of the present invention, a kind of air-conditioning is provided, includes the air conditioner load as described in above-mentioned any embodiment
Control device.
According to another aspect of the present invention, a kind of computer readable storage medium, the computer-readable storage medium are provided
Matter is stored with computer instruction, realizes that air conditioner load controls as described in above-mentioned any embodiment when described instruction is executed by processor
Method.
The present invention is controlled by using wet-bulb temperature and dry-bulb temperature combination misalignment, can be accurately determined wind pushing temperature with
The relationship of reality output load；User demand is set to be in a benign corresponding relationship with actual set load, to make unit
Operation is more stablized.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram of air conditioner load control method one embodiment of the present invention.
Fig. 2 be in one embodiment of the invention according to outlet air dry-bulb temperature and outlet air wet-bulb temperature to current unit load into
The schematic diagram of row adjustment.
Fig. 3 is according to the outlet air temperature difference, humiture difference and rate of temperature change in one embodiment of the invention to current unit
The schematic diagram that load is adjusted.
Fig. 4 is the control sequential figure of air conditioner load control method one embodiment of the present invention.
Fig. 5 is that air conditioner load control method of the present invention compares signal with traditional control method to the regulating effect of wind pushing temperature
Figure.
Fig. 6 is the schematic diagram of air conditioner load control device first embodiment of the present invention.
Fig. 7 is the schematic diagram of load adjustment module in one embodiment of the invention.
Fig. 8 is the schematic diagram of load adjustment unit in one embodiment of the invention.
Fig. 9 is the schematic diagram of load adjustment module in another embodiment of the present invention.
Figure 10 is the schematic diagram of air conditioner load control device second embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the 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 restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of attached various pieces shown in the drawings is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, 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 indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Fig. 1 is the schematic diagram of air conditioner load control method one embodiment of the present invention.Preferably, the present embodiment can be by this hair
Bright air conditioner load control device executes.This approach includes the following steps：
Step 1, the target wind pushing temperature Tm of user's setting, input is received.
Step 2, current outlet air dry-bulb temperature T and current outlet air wet-bulb temperature Ts are obtained.
Step 3, according to target wind pushing temperature Tm, current outlet air dry-bulb temperature T and current outlet air wet-bulb temperature Ts to current
Unit load is adjusted, wherein the current unit load refers to the output of current compressor load, i.e. current compressor frequency
Rate.
Based on the air conditioner load control method that the above embodiment of the present invention provides, by comprehensive to wet-bulb temperature, dry-bulb temperature
Conjunction is considered, and wet-bulb temperature and dry-bulb temperature are included in unit load adjusting condition, can be accurately controlled load output, from
And stability of the unit in operation at part load is improved, the humidity in air, mass dryness fraction control can be connect in a user
Under the range received, user experience is improved.
Fig. 2 be in one embodiment of the invention according to outlet air dry-bulb temperature and outlet air wet-bulb temperature to current unit load into
The schematic diagram of row adjustment.As shown in Fig. 2, the step 3 in Fig. 1 embodiments may include：
Step 31, wind temperature difference T1=T-Tm is determined according to target wind pushing temperature Tm and current outlet air dry-bulb temperature T.
Step 32, humiture difference Δ T2=T- is determined according to current outlet air dry-bulb temperature T and current outlet air wet-bulb temperature Ts
Ts。
Step 33, according to the outlet air wet-bulb temperature before current outlet air wet-bulb temperature Ts and predetermined time interval Δ t
Ts(t-Δt)Temperature change rate Δ T3=Tst-Ts(t-Δt)。
In one embodiment of the invention, the predetermined time interval can be 10s.
Step 34, according to outlet air temperature difference T1, humiture difference Δ T2 and rate of temperature change Δ T3 to current unit load into
Row adjustment.
The above embodiment of the present invention can be controlled by using wet-bulb temperature and dry-bulb temperature combination misalignment, specifically can root
Current unit load is adjusted according to the outlet air temperature difference, humiture difference and rate of temperature change, is accurately determined wind pushing temperature and reality
The relationship of border output load makes user demand be in a benign corresponding relationship with actual set load, to make unit transport
Row is more stablized.The above embodiment of the present invention optimizes air quality, improves the usage experience of user；The above-mentioned implementation of the present invention
Example unit load output can more accurately meet the use demand of user.
Fig. 3 is according to the outlet air temperature difference, humiture difference and rate of temperature change in one embodiment of the invention to current unit
The schematic diagram that load is adjusted.As shown in figure 3, the step 34 in Fig. 2 embodiments may include：
Step 341, the sum of wind temperature difference T1, humiture difference Δ T2 and rate of temperature change Δ T3 Δs are judged with predetermined period
Whether T1+ Δ T2+ Δs T3 is more than or equal to first predetermined value.If Δ T1+ Δ T2+ Δs T3 is more than or equal to first predetermined value, execute
Step 342；Otherwise, if Δ T1+ Δ T2+ Δs T3 is less than first predetermined value, 343 are thened follow the steps.
Step 342, increase current unit load F.
In one embodiment of the invention, step 342 may include：
Step 3421, load variations amount is determined according to outlet air temperature difference T1, humiture difference Δ T2 and rate of temperature change Δ T3
ΔF。
Step 3422, current unit load F is increased into the load variations amount Δ F.
The above embodiment of the present invention can determine load incrementss according to the outlet air temperature difference, humiture difference and rate of temperature change,
Increase certain load incrementss every time, so as to more be accurately determined the relationship of wind pushing temperature and reality output load.
Step 343, judge whether Δ T1+ Δ T2+ Δs T3 is more than or equal to second predetermined value with predetermined period, wherein second is pre-
Definite value is less than first predetermined value；If Δ T1+ Δ T2+ Δs T3 is more than or equal to second predetermined value, 344 are thened follow the steps；Otherwise, if Δ
T1+ Δ T2+ Δs T3 is less than second predetermined value, thens follow the steps 345.
Step 344, keep current unit load F constant.
Step 345, current unit load F is reduced.
In one embodiment of the invention, step 345 may include：
Step 3451, load variations amount is determined according to outlet air temperature difference T1, humiture difference Δ T2 and rate of temperature change Δ T3
ΔF。
Step 3452, current unit load F is reduced into the load variations amount Δ F.
The above embodiment of the present invention can determine load reduction amount according to the outlet air temperature difference, humiture difference and rate of temperature change,
Certain load reduction amount is reduced every time, so as to more be accurately determined the relationship of wind pushing temperature and reality output load.
In one embodiment of the invention, step 3421 or step 3451 may include：According to formula Δ F=| Δ T1*
α+Δ T2* β+Δ T2* γ | determine load variations amount Δ F, wherein α is temperature difference correction factor, and β is rate of temperature change amendment system
Number, γ are humiture difference correction factor.
In one particular embodiment of the present invention, predetermined period described in Fig. 3 embodiments is 15s, and described second is predetermined
Value is -1 DEG C, and the first predetermined value is 2 DEG C.
That is, when monitoring Δ Δ Δ T3 >=2 DEG C T2+ T1+ per 15s, unit load F increases Δ F, i.e. F=F+ Δs F.
When monitoring -1≤Δ Δ Δ T3≤2 DEG C T2+ T1+ per 15s, unit load F is constant.
When monitoring T3≤- 1 DEG C of Δ T1+ Δ T2+ Δs per 15s, unit load F reduces Δ F, i.e. F=F- Δs F.
The above embodiment of the present invention can be by by the outlet air temperature difference, humiture difference and the sum of rate of temperature change and two threshold values
It is compared, it is negative with reality output so as to more be accurately determined wind pushing temperature to determine to increased or decrease unit load
The relationship of lotus.
The above embodiment of the present invention, which solves leaving air temp existing in the prior art, cannot intuitively react user demand
Technical problem controls by using wet-bulb temperature and dry-bulb temperature combination misalignment, can be accurately determined wind pushing temperature and reality
The relationship of border output load makes user demand and actual set load be in the corresponding relationship of a low error, to make unit
Operation is more stablized.
Fig. 4 is the control sequential figure of air conditioner load control method one embodiment of the present invention.As shown in figure 4, unit powers on
It is switched on after completing initialization procedure, compressor is adjusted after then stamping initial load operation 3min according to actual condition, is gradually adjusted to
100% load.
Specifically, air conditioner load control method shown in Fig. 4 may include：
First stage, unit are opened
Unit powers on, and carries out in initialization procedure, and control compressor operating is then shut off to peak load.
Second stage, unit booting
Compressor is adjusted to initial load to open, is run 2 minutes.
Phase III, unit operation stage (0~100% load stage)
In the phase III, the present invention can be according to described in any of the above-described embodiment (such as Fig. 1-Fig. 3 any embodiments)
Air conditioner load control method controls unit load.
In one embodiment of the invention, as shown in figure 4, in the phase III, the air conditioner load control method may be used also
To include：Judge whether current unit load reaches maximum load；If current unit load reaches maximum load, keep existing
Load operation.
Thus the above embodiment of the present invention can ensure that current unit load is more than maximum load, and reach maximum load
Maximum load operation is kept afterwards.
In one embodiment of the invention, in the phase III, the air conditioner load control method can also include：Judge
Whether current unit load reaches minimum load；If current unit load reaches minimum load, keep minimum load operation pre-
It fixes time after (such as 5 minutes), judges whether Δ T1+ Δ T2+ Δs T3 is less than or equal to third predetermined value, wherein third predetermined value is small
In second predetermined value；If Δ T1+ Δ T2+ Δs T3 is less than or equal to third predetermined value, unit is closed.
In one particular embodiment of the present invention, the third predetermined value can be -2 DEG C.
The above embodiment of the present invention can ensure that current unit load is not less than minimum load, and reach minimum negative in unit
It is less than or equal to third predetermined value, i.e. air conditioning exhausting after the lotus predetermined time, in the sum of the outlet air temperature difference, humiture difference and rate of temperature change
In the case that temperature meets user demand, unit is closed in time.
Fig. 5 is air conditioner load control method of the present invention and traditional control method to wind pushing temperature (i.e. current outlet air dry bulb temperature
Spend T) regulating effect contrast schematic diagram.As shown in figure 5, the regulating effect of the present invention is more stable than traditional approach more, the present invention
Above-described embodiment can accurately handle workload demand, and load can be avoided to export excessive or very few problem, to accurately
Control wind pushing temperature.
The air conditioner load control method of the above embodiment of the present invention can be adapted for large-size variable-frequency cold wind unit, in the present invention
Stating embodiment can control by using wet-bulb temperature and dry-bulb temperature combination misalignment, adjust compressor load output in real time with this
To control the operating status even running of unit.
Fig. 6 is the schematic diagram of air conditioner load control device first embodiment of the present invention.As shown in fig. 6, the air conditioner load
Control device may include wind pushing temperature receiving module 1, Current Temperatures acquisition module 2 and load adjustment module 3, wherein：
Wind pushing temperature receiving module 1, for receiving target wind pushing temperature Tm input by user.
Current Temperatures acquisition module 2, for obtaining current outlet air dry-bulb temperature T and current outlet air wet-bulb temperature Ts.
Load adjustment module 3, for according to target wind pushing temperature Tm, current outlet air dry-bulb temperature T and current outlet air wet bulb
Temperature Ts is adjusted current unit load.
Based on the air conditioner load control device that the above embodiment of the present invention provides, by comprehensive to wet-bulb temperature, dry-bulb temperature
Conjunction is considered, and wet-bulb temperature and dry-bulb temperature are included in unit load adjusting condition, can be accurately controlled load output, from
And stability of the unit in operation at part load is improved, the humidity in air, mass dryness fraction control can be connect in a user
Under the range received, user experience is improved.
Fig. 7 is the schematic diagram of load adjustment module in one embodiment of the invention.As shown in fig. 7, the load of Fig. 6 embodiments
It may include outlet air temperature difference determination unit 31, humiture difference determination unit 32,33 and of rate of temperature change determination unit to adjust module 3
Load adjustment unit 34, wherein：
Outlet air temperature difference determination unit 31, for determining outlet air according to target wind pushing temperature Tm and current outlet air dry-bulb temperature T
Temperature difference T1=T-Tm.
Humiture difference determination unit 32, for being determined according to current outlet air dry-bulb temperature T and current outlet air wet-bulb temperature Ts
Humiture difference Δ T2=T-Ts.
Rate of temperature change determination unit 33, before according to current outlet air wet-bulb temperature Ts and predetermined time interval Δ t
Outlet air wet-bulb temperature Ts(t-Δt)Temperature change rate Δ T3
In an embodiment of the invention, rate of temperature change determination unit 33 specifically can be used for according to formula Δ T3=
Tst-Ts(t-Δt)Temperature change rate Δ T3.
Load adjustment unit 34, for according to outlet air temperature difference T1, humiture difference Δ T2 and rate of temperature change Δ T3 to working as
Preceding unit load is adjusted.
The above embodiment of the present invention can be controlled by using wet-bulb temperature and dry-bulb temperature combination misalignment, specifically can root
Current unit load is adjusted according to the outlet air temperature difference, humiture difference and rate of temperature change, is accurately determined wind pushing temperature and reality
The relationship of border output load makes user demand be in a benign corresponding relationship with actual set load, to make unit transport
Row is more stablized.The above embodiment of the present invention optimizes air quality, improves the usage experience of user；The above-mentioned implementation of the present invention
Example unit load output can more accurately meet the use demand of user.
Fig. 8 is the schematic diagram of load adjustment unit in one embodiment of the invention.As shown in figure 8, the load of Fig. 7 embodiments
Adjustment unit 34 may include the first judging submodule 341 and the first load adjustment submodule 342, wherein：
First judging submodule 341, for judging that wind temperature difference T1, humiture difference Δ T2 and temperature become with predetermined period
Whether the sum of rate Δ T3 is more than or equal to first predetermined value.
First load adjustment submodule 342, for determining wind temperature difference T1, humiture in the first judging submodule 341
In the case that the sum of poor Δ T2 and rate of temperature change Δ T3 are more than or equal to first predetermined value, increase current unit load.
In one particular embodiment of the present invention, the first load adjustment submodule 342 can be used for according to the outlet air temperature difference
Δ T1, humiture difference Δ T2 and rate of temperature change Δ T3 determine load variations amount Δ F；Current unit load F is increased described negative
Lotus variation delta F.
The above embodiment of the present invention can determine load incrementss according to the outlet air temperature difference, humiture difference and rate of temperature change,
Increase certain load incrementss every time, so as to more be accurately determined the relationship of wind pushing temperature and reality output load.
In one embodiment of the invention, as shown in figure 8, load adjustment unit 34 can also judge submodule including second
Block 343, the second load adjustment submodule 344 and third load adjustment submodule 345, wherein：
Second judgment submodule 343, for determining wind temperature difference T1, humiture difference Δ in the first judging submodule 341
In the case that the sum of T2 and rate of temperature change Δ T3 are less than first predetermined value, wind temperature difference T1, warm and humid is judged with predetermined period
Spend whether difference the sum of Δ T2 and rate of temperature change Δ T3 are more than or equal to second predetermined value, wherein it is predetermined to be less than first for second predetermined value
Value.
In one particular embodiment of the present invention, predetermined period described in Fig. 3 embodiments is 15s, and described second is predetermined
Value is -1 DEG C, and the first predetermined value is 2 DEG C.
Second load adjustment submodule 344, for determining wind temperature difference T1, humiture in second judgment submodule 343
In the case that the sum of poor Δ T2 and rate of temperature change Δ T3 are more than or equal to second predetermined value, keep current unit load constant.
Third load adjustment submodule 345, for determining wind temperature difference T1, humiture in second judgment submodule 343
In the case that the sum of poor Δ T2 and rate of temperature change Δ T3 are less than second predetermined value, current unit load is reduced.
The above embodiment of the present invention can be by by the outlet air temperature difference, humiture difference and the sum of rate of temperature change and two threshold values
It is compared, it is negative with reality output so as to more be accurately determined wind pushing temperature to determine to increased or decrease unit load
The relationship of lotus.
In one particular embodiment of the present invention, third load adjustment submodule 345 specifically can be used for according to outlet air
Temperature difference T1, humiture difference Δ T2 and rate of temperature change Δ T3 determine load variations amount Δ F；Current unit load F is reduced into institute
State load variations amount Δ F.
The above embodiment of the present invention can determine load reduction amount according to the outlet air temperature difference, humiture difference and rate of temperature change,
Certain load reduction amount is reduced every time, so as to more be accurately determined the relationship of wind pushing temperature and reality output load.
In one embodiment of the invention, the first load adjustment submodule 342 or third load adjustment submodule 345 have
Body can be used for according to formula Δ F=| Δ T1* α+Δ T2* β+Δ T2* γ | determine load variations amount Δ F, wherein α is the temperature difference
Correction factor, β are rate of temperature change correction factor, and γ is humiture difference correction factor.
The above embodiment of the present invention, which solves leaving air temp existing in the prior art, cannot intuitively react user demand
Technical problem controls by using wet-bulb temperature and dry-bulb temperature combination misalignment, can be accurately determined wind pushing temperature and reality
The relationship of border output load makes user demand and actual set load be in the corresponding relationship of a low error, to make unit
Operation is more stablized.
Fig. 9 is the schematic diagram of load adjustment module in another embodiment of the present invention.Compared with Fig. 7 embodiments, implement in Fig. 9
In example, the load adjustment module of Fig. 6 embodiments can also include maximum load judging unit 35：
Maximum load judging unit 35, for judging whether current unit load reaches maximum load；
Load adjustment unit 34 is additionally operable to judge that current unit load reaches maximum load in maximum load judging unit 35
In the case of, keep existing load operation.
Thus the above embodiment of the present invention can ensure that current unit load is more than maximum load, and reach maximum load
Maximum load operation is kept afterwards.
In one embodiment of the invention, as shown in figure 9, load adjustment module, which can also include minimum load, judges list
Member 36, cut-off condition judging unit 37 and shutdown unit 38, wherein：
Minimum load judging unit 36, for judging whether current unit load reaches minimum load.
Load adjustment unit 34 is additionally operable to judge that current unit load reaches minimum load in minimum load judging unit 36
In the case of, keep minimum load operation.
Cut-off condition judging unit 37 after being kept for the minimum load operation predetermined time (such as 5 minutes) for unit, judges
Whether Δ T1+ Δ T2+ Δs T3 is less than or equal to third predetermined value, and wherein third predetermined value is less than second predetermined value.
Shut down unit 38, and for being determined in cut-off condition judging unit 37, wind-warm syndrome is poor, humiture is poor and rate of temperature change
The sum of Δ T1+ Δ T2+ Δs T3 be less than or equal to third predetermined value in the case of, unit is closed.
In one particular embodiment of the present invention, the third predetermined value can be -2 DEG C.
The above embodiment of the present invention can ensure that current unit load is not less than minimum load, and reach minimum negative in unit
It is less than or equal to third predetermined value, i.e. air conditioning exhausting after the lotus predetermined time, in the sum of the outlet air temperature difference, humiture difference and rate of temperature change
In the case that temperature meets user demand, unit is closed in time.
The regulating effect of the above embodiment of the present invention is more stable than traditional approach more, and the above embodiment of the present invention can be accurate
Workload demand is handled, load can be avoided to export excessive or very few problem, to accurately control wind pushing temperature.
The air conditioner load control method of the above embodiment of the present invention can be adapted for large-size variable-frequency cold wind unit, in the present invention
Stating embodiment can control by using wet-bulb temperature and dry-bulb temperature combination misalignment, adjust compressor load output in real time with this
To control the operating status even running of unit.
Figure 10 is the schematic diagram of air conditioner load control device second embodiment of the present invention.As shown in Figure 10, the air-conditioning is negative
Lotus control device may include memory 101, processor 102 and be stored on memory 101 and can run on the processor 102
Computer program, the processor 102 realizes method and step described in any of the above-described embodiment when executing described program.
Based on the air conditioner load control device that the above embodiment of the present invention provides, by comprehensive to wet-bulb temperature, dry-bulb temperature
Conjunction is considered, and wet-bulb temperature and dry-bulb temperature are included in unit load adjusting condition, can be accurately controlled load output, from
And stability of the unit in operation at part load is improved, the humidity in air, mass dryness fraction control can be connect in a user
Under the range received, user experience is improved.
According to another aspect of the present invention, a kind of air-conditioning is provided, includes the air conditioner load as described in above-mentioned any embodiment
Control device.
It, can be by using wet-bulb temperature and dry-bulb temperature combination misalignment based on the air-conditioning that the above embodiment of the present invention provides
Control can specifically be adjusted current unit load according to the outlet air temperature difference, humiture difference and rate of temperature change, accurately really
The relationship for determining wind pushing temperature and reality output load makes user demand be in a benign corresponding pass with actual set load
System, to make unit operation more stablize.The above embodiment of the present invention optimizes air quality, and improve user uses body
It tests；The above embodiment of the present invention unit load exports the use demand that can more accurately meet user.
According to another aspect of the present invention, a kind of computer readable storage medium, the computer-readable storage medium are provided
Matter is stored with computer instruction, realizes that air conditioner load controls as described in above-mentioned any embodiment when described instruction is executed by processor
Method.
Based on the computer readable storage medium that the above embodiment of the present invention provides, by using wet-bulb temperature and can do
Ball temperature combination misalignment control, specifically can according to the outlet air temperature difference, humiture difference and rate of temperature change to current unit load into
Row adjustment, is accurately determined the relationship of wind pushing temperature and reality output load, and user demand is made to be in one with actual set load
A benign corresponding relationship, to make unit operation more stablize.The above embodiment of the present invention optimizes air quality, improves
The usage experience of user；The above embodiment of the present invention unit load exports the use demand that can more accurately meet user.
Air conditioner load control device described above can be implemented as executing the logical of function described herein
It can with processor, programmable logic controller (PLC) (PLC), digital signal processor (DSP), application-specific integrated circuit (ASIC), scene
Program gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components
Or it is arbitrary appropriately combined.
So far, the present invention is described in detail.In order to avoid the design of the masking present invention, it is public that this field institute is not described
Some details known.Those skilled in the art as described above, can be appreciated how to implement technology disclosed herein completely
Scheme.
One of ordinary skill in the art will appreciate that realizing that all or part of step of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
Description of the invention provides for the sake of example and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
Various embodiments with various modifications of the solution present invention to design suitable for special-purpose.
Claims (19)
1. a kind of air conditioner load control method, which is characterized in that including：
Receive target wind pushing temperature input by user；
Obtain current outlet air dry-bulb temperature and current outlet air wet-bulb temperature；
Current unit load is adjusted according to target wind pushing temperature, current outlet air dry-bulb temperature and current outlet air wet-bulb temperature
It is whole.
2. according to the method described in claim 1, it is characterized in that, described according to target wind pushing temperature, current outlet air dry bulb temperature
Degree and current outlet air wet-bulb temperature to current unit load be adjusted including：
Determine that wind-warm syndrome is poor according to target wind pushing temperature and current outlet air dry-bulb temperature；
Determine that humiture is poor according to current outlet air dry-bulb temperature and current outlet air wet-bulb temperature；
According to the outlet air wet-bulb temperature temperature change rate before current outlet air wet-bulb temperature and predetermined time interval；
Current unit load is adjusted according to the outlet air temperature difference, humiture difference and rate of temperature change.
3. according to the method described in claim 2, it is characterized in that, described according to the outlet air temperature difference, humiture difference and temperature change
Rate to current unit load be adjusted including：
Judge that wind-warm syndrome is poor, whether humiture difference and the sum of rate of temperature change are more than or equal to first predetermined value；
If the sum of the outlet air temperature difference, humiture difference and rate of temperature change are more than or equal to first predetermined value, increase current unit load.
4. according to the method described in claim 3, it is characterized in that, described according to the outlet air temperature difference, humiture difference and temperature change
Rate is adjusted current unit load：
If the sum of the outlet air temperature difference, humiture difference and rate of temperature change are less than first predetermined value, judge that wind-warm syndrome is poor, humiture is poor
Whether it is more than or equal to second predetermined value with the sum of rate of temperature change, wherein second predetermined value is less than first predetermined value；
If the sum of the outlet air temperature difference, humiture difference and rate of temperature change are more than or equal to second predetermined value, current unit load is kept
It is constant；
If the sum of the outlet air temperature difference, humiture difference and rate of temperature change are less than second predetermined value, current unit load is reduced.
5. method according to claim 3 or 4, which is characterized in that described to increase current unit load and include：
Load variations amount is determined according to the outlet air temperature difference, humiture difference and rate of temperature change；
Current unit load is increased into the load variations amount.
6. according to the method described in claim 4, it is characterized in that, the current unit load of reduction includes：
Load variations amount is determined according to the outlet air temperature difference, humiture difference and rate of temperature change；
Current unit load is reduced into the load variations amount.
7. according to the described method of any one of claim 1-4, which is characterized in that further include：
Judge whether current unit load reaches maximum load；
If current unit load reaches maximum load, existing load operation is kept.
8. according to the method described in any one of claim 2-4, which is characterized in that further include：
Judge whether current unit load reaches minimum load；
If current unit load reaches minimum load, after being kept for the minimum load operation predetermined time, judge that wind-warm syndrome is poor, warm and humid
Whether the sum of degree difference and rate of temperature change are less than or equal to third predetermined value；
If the sum of the outlet air temperature difference, humiture difference and rate of temperature change are less than or equal to third predetermined value, unit is closed.
9. a kind of air conditioner load control device, which is characterized in that including：
Wind pushing temperature receiving module (1), for receiving target wind pushing temperature input by user；
Current Temperatures acquisition module (2), for obtaining current outlet air dry-bulb temperature and current outlet air wet-bulb temperature；
Load adjustment module (3), for according to target wind pushing temperature, current outlet air dry-bulb temperature and current outlet air wet-bulb temperature pair
Current unit load is adjusted.
10. device according to claim 9, which is characterized in that load adjustment module (3) includes：
Outlet air temperature difference determination unit (31), for determining that wind-warm syndrome is poor according to target wind pushing temperature and current outlet air dry-bulb temperature；
Humiture difference determination unit (32), for determining humiture according to current outlet air dry-bulb temperature and current outlet air wet-bulb temperature
Difference；
Rate of temperature change determination unit (33), for going out rheumatism according to before current outlet air wet-bulb temperature and predetermined time interval
Ball temperature temperature change rate；
Load adjustment unit (34), for being carried out to current unit load according to the outlet air temperature difference, humiture difference and rate of temperature change
Adjustment.
11. device according to claim 10, which is characterized in that load adjustment unit (34) includes：
First judging submodule (341), for judging that wind-warm syndrome is poor, whether humiture difference and the sum of rate of temperature change are more than or equal to
First predetermined value；
First load adjustment submodule (342), for determining that wind-warm syndrome is poor, humiture is poor in the first judging submodule (341) and
In the case that the sum of rate of temperature change is more than or equal to first predetermined value, increase current unit load.
12. according to the devices described in claim 11, which is characterized in that load adjustment unit (34) further includes：
Second judgment submodule (343), for being determined in the first judging submodule (341), wind-warm syndrome is poor, humiture is poor and temperature
In the case that the sum of change rate is less than first predetermined value, judge wind-warm syndrome is poor, humiture difference and the sum of rate of temperature change whether greatly
In equal to second predetermined value, wherein second predetermined value is less than first predetermined value；
Second load adjustment submodule (344), for determining that wind-warm syndrome is poor, humiture is poor in second judgment submodule (343) and
In the case that the sum of rate of temperature change is more than or equal to second predetermined value, keep current unit load constant；
Third load adjustment submodule (345), for determining that wind-warm syndrome is poor, humiture is poor in second judgment submodule (343) and
In the case that the sum of rate of temperature change is less than second predetermined value, current unit load is reduced.
13. device according to claim 11 or 12, which is characterized in that
First load adjustment submodule (342) is used to determine load variations according to the outlet air temperature difference, humiture difference and rate of temperature change
Amount；Current unit load is increased into the load variations amount.
14. device according to claim 12, which is characterized in that
Third load adjustment submodule (345) is used to determine load variations according to the outlet air temperature difference, humiture difference and rate of temperature change
Amount；Current unit load is reduced into the load variations amount.
15. according to the device described in any one of claim 9-12, which is characterized in that load adjustment module (3) further includes：
Maximum load judging unit (35), for judging whether current unit load reaches maximum load；
Load adjustment unit (34) is additionally operable to judge that current unit load reaches maximum load in maximum load judging unit (35)
In the case of, keep existing load operation.
16. according to the device described in any one of claim 10-12, which is characterized in that load adjustment module (3) further includes：
Minimum load judging unit (36), for judging whether current unit load reaches minimum load；
Load adjustment unit (34) is additionally operable to judge that current unit load reaches minimum load in minimum load judging unit (36)
In the case of, keep minimum load operation；
Cut-off condition judging unit (37), for after unit is kept for the minimum load operation predetermined time, judging that wind-warm syndrome is poor, warm
Whether the sum of psychrometric difference and rate of temperature change are less than or equal to third predetermined value；
Shut down unit (38), and for being determined in cut-off condition judging unit (37), wind-warm syndrome is poor, humiture is poor and rate of temperature change
The sum of be less than or equal to third predetermined value in the case of, unit is closed.
17. a kind of air conditioner load control device, including memory (101), processor (102) and it is stored on memory (101)
And the computer program that can be run on processor (102), which is characterized in that when the processor (102) executes described program
Realize the method and step described in any one of claim 1-8.
18. a kind of air-conditioning, which is characterized in that include the air conditioner load control device as described in any one of claim 9-17.
19. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer to refer to
It enables, the air conditioner load control method as described in any one of claim 1-8 is realized when described instruction is executed by processor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710594616X | 2017-07-20 | ||
| CN201710594616.XA CN107270490A (en) | 2017-07-20 | 2017-07-20 | Air-conditioning and its air conditioner load control method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108317702A true CN108317702A (en) | 2018-07-24 |
| CN108317702B CN108317702B (en) | 2019-12-06 |
Family
ID=60078971
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710594616.XA Pending CN107270490A (en) | 2017-07-20 | 2017-07-20 | Air-conditioning and its air conditioner load control method and device |
| CN201810112881.4A Active CN108317671B (en) | 2017-07-20 | 2018-02-05 | Air conditioner and air conditioner load control method and device thereof |
| CN201810114158.XA Active CN108317702B (en) | 2017-07-20 | 2018-02-05 | Air conditioner and air conditioner load control method and device thereof |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710594616.XA Pending CN107270490A (en) | 2017-07-20 | 2017-07-20 | Air-conditioning and its air conditioner load control method and device |
| CN201810112881.4A Active CN108317671B (en) | 2017-07-20 | 2018-02-05 | Air conditioner and air conditioner load control method and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107270490A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140667B (en) * | 2018-07-16 | 2020-10-09 | 江苏天纳节能科技股份有限公司 | Intelligent setting method for air conditioner target |
| CN109445494B (en) * | 2018-10-10 | 2020-04-28 | 珠海格力电器股份有限公司 | Enthalpy difference laboratory dry-bulb working condition automatic control method |
| CN109489209A (en) * | 2018-10-11 | 2019-03-19 | 珠海格力电器股份有限公司 | Unit allocation method and apparatus |
| CN109612759B (en) * | 2018-12-19 | 2020-07-31 | 珠海格力电器股份有限公司 | Enthalpy difference laboratory wet bulb working condition automatic control method |
| CN112212470A (en) * | 2020-10-10 | 2021-01-12 | 武汉奇威特建安工程有限公司 | Centralized management system for energy-saving control of air-conditioning heating and ventilation project |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0566045A (en) * | 1991-05-27 | 1993-03-19 | Hitachi Ltd | Controlling method for temperature of constant-temperature and constant-humidity apparatus |
| JPH05126414A (en) * | 1991-11-06 | 1993-05-21 | Hitachi Ltd | Refrigerator and apparatus for constant-temperature and constant-humidity |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2928151B2 (en) * | 1995-12-13 | 1999-08-03 | タバイエスペック株式会社 | Water vapor partial pressure conversion type humidity controller |
| JP3429141B2 (en) * | 1996-10-04 | 2003-07-22 | 株式会社大気社 | Air conditioner |
| JPH10311568A (en) * | 1997-05-12 | 1998-11-24 | Daikin Ind Ltd | Humidifier |
| CN101206063B (en) * | 2006-12-19 | 2011-11-23 | 三机工业株式会社 | Refrigeration equipment |
| JP2008249258A (en) * | 2007-03-30 | 2008-10-16 | Osaka Gas Co Ltd | Air-conditionor capacity test method and system |
| CN101290154A (en) * | 2007-04-17 | 2008-10-22 | 上海大智科技发展有限公司 | Air energy-saving system for air quantity variable air conditioner |
| CN201772574U (en) * | 2010-09-02 | 2011-03-23 | 上海盈蓝环境科技有限公司 | Energy-saving heat-recovery high-ventilation constant temperature and constant humidity laboratory |
| CN102927649B (en) * | 2012-11-29 | 2015-07-15 | 西安工程大学 | Air-conditioning system with combined operation of evaporative cooling, cold water storage and night ventilation |
| CN103453625A (en) * | 2013-08-19 | 2013-12-18 | 苏州康华净化系统工程有限公司 | Workshop constant temperature and humidity system and control method thereof |
| CN204923331U (en) * | 2015-07-06 | 2015-12-30 | 沈阳工业大学 | Terminal intelligence control system of variable blast volume air conditioner based on wireless sensor network |
| CN105042773A (en) * | 2015-07-13 | 2015-11-11 | 浪潮电子信息产业股份有限公司 | Control method for preventing condensation in air-cooled in-column air conditioner |
| CN106288045A (en) * | 2015-08-29 | 2017-01-04 | 刘雄 | Airhandling equipment and control method |
| CN106288258B (en) * | 2016-10-19 | 2018-06-22 | 珠海格力电器股份有限公司 | A kind of heat regenerator and with its air-conditioning device |
| CN106568166B (en) * | 2016-10-27 | 2019-04-30 | 珠海格力电器股份有限公司 | A kind of condensation prevention control method of assembled air-conditioner, device and assembled air-conditioner |
-
2017
- 2017-07-20 CN CN201710594616.XA patent/CN107270490A/en active Pending
-
2018
- 2018-02-05 CN CN201810112881.4A patent/CN108317671B/en active Active
- 2018-02-05 CN CN201810114158.XA patent/CN108317702B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0566045A (en) * | 1991-05-27 | 1993-03-19 | Hitachi Ltd | Controlling method for temperature of constant-temperature and constant-humidity apparatus |
| JPH05126414A (en) * | 1991-11-06 | 1993-05-21 | Hitachi Ltd | Refrigerator and apparatus for constant-temperature and constant-humidity |
Non-Patent Citations (1)
| Title |
|---|
| 李金川: "《空调运行管理手册：原理、结构、安装、维修》", 31 December 2000 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107270490A (en) | 2017-10-20 |
| CN108317671B (en) | 2019-12-06 |
| CN108317671A (en) | 2018-07-24 |
| CN108317702B (en) | 2019-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108317702A (en) | Air-conditioning and its air conditioner load control method and device | |
| CN103453616B (en) | Prevent control method and the device of air-conditioning condensation | |
| CN106123219B (en) | Air-conditioning temperature/humidity control method | |
| WO2019153888A1 (en) | Air conditioner unit control method and device, and air conditioner unit | |
| WO2017186109A1 (en) | Air conditioner control method and device | |
| CN103375868B (en) | Air-conditioner temperature dehumidification control method | |
| CN106596159B (en) | High-precision air conditioning capacity test device | |
| CN105571068A (en) | Operation control method and device for air conditioner | |
| CN105091239A (en) | Air conditioner control method and air conditioner control system | |
| CN109869871A (en) | A kind of air conditioning control method, device, air conditioner and computer readable storage medium | |
| CN105650812B (en) | Air-conditioning indoor fan control method and air-conditioning | |
| CN108302722A (en) | Air-conditioning and its air-conditioning part duty control method and device | |
| CN105605741A (en) | Air conditioner dehumidification control method and air conditioner dehumidification control device | |
| CN109114764B (en) | Control method and control device for air outlet of air conditioner, air conditioner and storage medium | |
| CN108168027A (en) | Defrosting control method, defrosting control device and air conditioner | |
| CN105066348A (en) | Air-conditioning system, and power estimation method, power estimation device and power consumption calculation method of PTC heater in air-conditioning system | |
| WO2019034124A1 (en) | Method for controlling automatic temperature-adjustment air conditioner and air conditioner | |
| CN108151231A (en) | Defrosting control method, defrosting control device and air conditioner | |
| CN106556114B (en) | The humidity control method of air conditioner, humidification control device and its air conditioner | |
| CN108444079A (en) | Air conditioner and its control method and computer readable storage medium | |
| WO2020107721A1 (en) | Control method for heat-pump water heater, and heat-pump water heater | |
| CN105091222B (en) | Power consumption quantity measuring method, device and the air conditioner of air conditioner | |
| CN105091223B (en) | Power consumption quantity measuring method, device and the air conditioner of air conditioner | |
| CN106500244B (en) | Air-conditioning electric heating controlling method and control device | |
| CN111895624B (en) | Air conditioner temperature and humidity control method and device, storage medium and air conditioner |
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 |