CN104764145B - The constant temperature dehumidification control method and control system of air conditioner - Google Patents
The constant temperature dehumidification control method and control system of air conditioner Download PDFInfo
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- CN104764145B CN104764145B CN201510129193.5A CN201510129193A CN104764145B CN 104764145 B CN104764145 B CN 104764145B CN 201510129193 A CN201510129193 A CN 201510129193A CN 104764145 B CN104764145 B CN 104764145B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0008—Control or safety arrangements for air-humidification
Abstract
The invention belongs to the control field of air conditioner, more particularly to a kind of constant temperature dehumidification control method and system that need not increase cost.Specifically, the constant temperature dehumidification control method and control system of the air conditioner are after constant-temperature dehumidifying function unlatching, either from refrigeration or heating mode, constant temperature dehumidification pattern can be entered, indoor humidity load of removing can be determined according to indoor/outdoor temperature-difference size in real time, control air conditioner is by the frequency operation set.In the process of running further according to the change of temperature, the frequency change and wind speed change of Intelligent adjustment cooler compressor, so as to reach the effect of constant indoor temperature in dehumidification process, meet the comfortableness demand of user.
Description
Technical field
The invention belongs to the control field of air conditioner, more particularly to a kind of constant temperature dehumidification control method of air conditioner and control
System.
Background technology
Generally, in air conditioner dehumidifying running it is inevitable while also to be freezed.Therefore, it is outer warm indoors
When difference is larger, refrigeration duty is larger, the dual-use function of refrigeration and dehumidifying is realized by common Dehumidification controlling can, but works as room
When internal-external temperature difference is smaller, room environment humidity is again higher, refrigeration duty will cause room temperature with regard to very little by commonly dehumidifying
Rapid decrease, when room temperature reaches it is relatively low when, user would generally feel cold, i.e., what air conditioner can not be set according to user relaxes
Thermophilic degree runs and dehumidified.
At present it is known that constant temperature dehumidification method be to be carried out by increasing dehumidifying valve system on indoor heat exchanger for air conditioner
Dehumidifying, its concrete operating principle is：During constant temperature dehumidification, dehumidification valve is closed, and the throttling arrangement of system is opened, dehumidification valve
Throttling action, an evaporator when part for indoor heat exchanger is as dehumidifying are played, another part connects warp with outdoor heat exchanger
Cross the refrigerant of HTHP；It is a part of heated, a part of cooled in air channel indoors to flow through the air-flow of indoor heat exchanger,
Blown out after mixing from indoor air outlet, so as to realize constant temperature dehumidification.
But above-mentioned constant temperature dehumidification method sets up a dehumidification valve, indoor heat exchange indoors due to needing on heat exchanger
Flow path designs in device are also more complicated, and cost increase is more, is difficult to carry out extensive promotion and application at present.
The content of the invention
In view of this, the purpose of the present invention is that providing a kind of constant temperature dehumidification control method of air conditioner and control is
System, to solve the high technical problem of the complex designing of existing scheme, cost.
On the one hand, the constant temperature dehumidification control method of air conditioner provided by the invention comprises the following steps：
The design temperature Ts of user is obtained, and detects current indoor real time temperature T1；
Air conditioner refrigerating operaton or heating operation are controlled, until indoor real time temperature T1 reaches the attached of the design temperature Ts
Closely；
If in cooling mode, controlled wind speed is reduced to default minimum windscreen and starts to dehumidify；If in a heating mode,
Shutdown continues after the second preset duration t2 controlled wind speed again and is reduced to default minimum windscreen to start to dehumidify.
Further, it is further comprising the steps of after dehumidifying is started：
Outdoor environment temperature T4 is detected, calculates real-time indoor/outdoor temperature-difference △ T；
The initial launch frequency F0 of default corresponding compressor is obtained according to the indoor/outdoor temperature-difference △ T；
Control air conditioner is run according to the initial launch frequency F0.
On the other hand, the constant temperature dehumidification control system of air conditioner provided by the invention is included with lower unit：
Design temperature acquiring unit, for obtaining the design temperature Ts of user；
Indoor temperature detection unit, for detecting current indoor real time temperature T1；
First control unit, for controlling air conditioner refrigerating operaton or heating operation, until indoor real time temperature T1 is reached
Near the design temperature Ts；
Blast velocity control unit, in cooling mode, controlled wind speed to be reduced to default minimum windscreen and starts to dehumidify；Making
Under heat pattern, shutdown continues after the second preset duration t2 controlled wind speed again and is reduced to default minimum windscreen to start to dehumidify.
Further, the control system can also include：
Outdoor temperature calculates unit, for detecting outdoor environment temperature T4, and calculates real-time indoor/outdoor temperature-difference △ T；
Frequency control unit, for obtaining default corresponding compressor according to the indoor/outdoor temperature-difference △ T
Initial launch frequency F0, and control air conditioner to be run according to the initial launch frequency F0.
The constant temperature dehumidification control method and control system of air conditioner provided by the invention, it is the constant temperature that need not increase cost
Dehumidification control method and system.Specifically, air conditioner enters dehumidifying either under heating mode or under refrigeration mode
State, indoor humidity load of removing can be determined according to indoor/outdoor temperature-difference size in real time, control air conditioner is by the frequency fortune set
OK.The frequency change further according to the change Intelligent adjustment compressor of temperature changes with wind speed in the process of running, so as to dehumidify
During reach the effect of constant indoor temperature, meet the comfortableness demand of user.
Brief description of the drawings
Fig. 1 is the implementation process figure of the constant temperature dehumidification control method for the air conditioner that one embodiment of the invention provides；
Fig. 2 is the implementation example figure of step S20 in Fig. 1；
Fig. 3 is the implementation process figure of the constant temperature dehumidification control method for the air conditioner that another preferred embodiment of the present invention provides；
Fig. 4 is the structured flowchart of the constant temperature dehumidification control system for the air conditioner that one embodiment of the invention provides；
Fig. 5 is the structured flowchart of the constant temperature dehumidification control system for the air conditioner that another preferred embodiment of the present invention provides.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples,
The present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention,
It is not intended to limit the present invention.
Fig. 1 is the implementation process figure of the constant temperature dehumidification control method for the air conditioner that first embodiment of the invention provides；In order to
It is easy to illustrate, illustrate only part related to the present embodiment, as shown in the figure：
After the constant-temperature dehumidifying function for opening air conditioner：
In step s 110, the design temperature Ts of user is obtained, and detects current indoor real time temperature T1.
In the step s 120, air conditioner refrigerating operaton or heating operation are controlled, until described in indoor real time temperature T1 arrival
Near design temperature Ts.
In step s 130, if in cooling mode, controlled wind speed is reduced to default minimum windscreen and starts to dehumidify；If
In a heating mode, shut down and continue after the second preset duration t2 controlled wind speed again and be reduced to default minimum windscreen to start to dehumidify.
The constant temperature dehumidification control method of the air conditioner provided according to the present embodiment, it is first real-time according to design temperature Ts and interior
Temperature T1 difference control air conditioner freezes or heating operation, and temperature reaches design temperature Ts and then controlled wind speed indoors
Default minimum windscreen is reduced to start to dehumidify., can be automatically into dehumidification function either under heating or refrigeration situation.
Unique difference is that if air conditioner is run in cooling mode, then direct controlled wind speed is reduced to default minimum
Windscreen starts to dehumidify；If run in a heating mode before, then shutdown is needed to reduce wind again after continuing the second preset duration t2
Speed starts to dehumidify.For example, the second preset duration t2 can be set to 3 minutes, but it is not limited thereto.
As a preferred embodiment of the present invention, as shown in figure 1, further comprising the steps of after dehumidifying is started：
In step S140, outdoor environment temperature T4 is detected, calculates real-time indoor/outdoor temperature-difference △ T.
In step S150, the initial of default corresponding compressor is obtained according to the indoor/outdoor temperature-difference △ T
Running frequency F0.
In step S160, control air conditioner is run according to the initial launch frequency F0.
In the present embodiment, after starting dehumidifying, it is also necessary to the step of perform detection outdoor environment temperature T4, and according to inspection
The generation external environment temperature measured calculates real-time indoor/outdoor temperature-difference △ T, is obtained further according to the temperature difference default corresponding
The initial launch frequency F0 of compressor, then air conditioner is controlled to be run according to initial launch frequency F0.In specific implementation, initially
Running frequency F0 and indoor/outdoor temperature-difference △ T relation can be with as shown in table 1 below, but its corresponding relation set is not limited to this,
Substantially the principle that initial launch frequency F0 increases with indoor/outdoor temperature-difference △ T increase is followed.
Table 1
| △ T=T4-T1 (DEG C) | ≥8 | 7 | 6 | 5 | 4 | ≤3 |
| F0(Hz) | 30 | 25 | 20 | 18 | 15 | 10 |
In specific implementation process, as shown in Fig. 2 above-mentioned steps S120 " control air conditioner refrigerating operaton or heating operation,
Until indoor real time temperature T1 is reached near the design temperature Ts " can be specially：
In step S121, if Ts≤T1, air conditioner refrigerating operaton is controlled, and in the indoor real time temperature T1 ＜
The first preset duration of continuous service t1 after Ts+N.
In step S122, if Ts ＞ T1, control air conditioner heat-production operation, and the indoor real time temperature T1 >=
The first preset duration of continuous service t1 after Ts+N.
In above-mentioned implementation process, if design temperature Ts is less than or equal to indoor real time temperature T1, control air conditioner enters
Refrigerating state, and real time temperature T1 is less than after Ts+N indoors, the first preset duration of continuous service t1；If setting temperature
Degree Ts is more than indoor real time temperature T1, then controls air conditioner to enter heating state, and real time temperature T1 reaches Ts+N indoors
Afterwards, the first preset duration of continuous service t1.Here, N is default positive number, such as it is 1 or other numerical value that can take its value.
First preset duration t1 can be set to 5 minutes, but be not limited thereto.
Further, Fig. 3 shows the constant temperature dehumidification control method for the air conditioner that another preferred embodiment of the present invention provides
Implementation process figure；Likewise, for convenience of description, it illustrate only part related to the present embodiment.Referring to Fig. 3：
After the constant-temperature dehumidifying function for opening air conditioner：
In step S310, the design temperature Ts of user is obtained, and detect current indoor real time temperature T1.
In this step, get after design temperature Ts and indoor real time temperature T1 it is necessary to comparing design temperature Ts
With indoor real time temperature T1 size.Step S321 or step S322 is entered according to both magnitude relationships.
In step S321, if Ts≤T1, air conditioner refrigerating operaton is controlled, and in the indoor real time temperature T1 ＜ Ts
The first preset duration of continuous service t1 after+N.
In step S322, if Ts ＞ T1, control air conditioner heat-production operation, and the indoor real time temperature T1 >=
The first preset duration of continuous service t1 after Ts+N.
In step S330, if in cooling mode, controlled wind speed is reduced to default minimum windscreen and starts to dehumidify；If
In a heating mode, shut down and continue after the second preset duration t2 controlled wind speed again and be reduced to default minimum windscreen to start to dehumidify.
In step S340, outdoor environment temperature T4 is detected, calculates real-time indoor/outdoor temperature-difference △ T.
In step S350, the initial of default corresponding compressor is obtained according to the indoor/outdoor temperature-difference △ T
Running frequency F0.
In step S360, control air conditioner runs the 3rd preset duration t3 according to the initial launch frequency F0.
In step S370, the indoor real time temperature T1 detected is made comparisons with the design temperature Ts；According to interior
Real time temperature T1 and design temperature Ts magnitude relationship performs following steps respectively：
In step S371, as T1 ＞ Ts+M, the step of controlling air conditioner refrigerating operaton is returned to.
In step S372, as Ts+N ＜ T1≤Ts+M, the default unit value of control running frequency rise, and return to step
S370。
In step S373, as Ts-M≤T1≤Ts-N, control running frequency reduces the default unit value, and returns
Step S370.
In step S374, as T1 ＜ Ts-M, shutdown returns to control air conditioner heat-production after continuing the second preset duration t2
The step of operation.
Further, as a more excellent embodiment, " by the indoor real time temperature T1 detected and the design temperature Ts
Make comparisons " step S370 after, the control method also includes step S375：
As Ts-N ＜ T1≤Ts+N, the coil temperature T2 of indoor heat exchanger is further detected.
Step S376：The coil temperature T2 of the indoor heat exchanger is made comparisons with dew-point temperature TL.
Step S377：As T2≤TL, it is constant to remain on frequency, and return to step S370.
Step S378：As T2 ＞ TL, control running frequency raises the default unit value, and return to step S370.
In the present embodiment, when indoor real time temperature T1 and design temperature Ts gap very little, i.e., as Ts-N ＜
During T1≤Ts+N, further detect indoor heat exchanger coil temperature T2, and by the coil temperature T2 of the indoor heat exchanger with
Dew-point temperature TL is compared.In general, dew-point temperature TL and indoor real time temperature T1 is one-to-one relation.For example,
During specific implementation, dew-point temperature TL and indoor real time temperature T1 relation can be represented with table 2 below：
Table 2
| T1℃ | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 |
| TL℃ | 18.48 | 17.56 | 16.63 | 15.71 | 14.8 | 13.88 | 12.96 | 12.05 | 11.13 | 10.22 | 9.31 | 8.4 | 7.5 | 6.59 |
As shown in Table 2, indoor real time temperature T1 is higher, and its corresponding dew-point temperature TL is also relative to be uprised.Therefore, exist
After getting the coil temperature T2 of indoor heat exchanger, itself and dew-point temperature TL are contrasted, if T2≤TL, illustrated at present
Air conditioner is dehumidified, and is maintained for that current running frequency is constant, and return the indoor real time temperature T1 that will detect with
The step S370 that design temperature Ts makes comparisons；If T2 ＞ TL, illustrate that air conditioner runs frequency currently without effect on moisture extraction, then control
A bit (typically having a default unit value, e.g. 2Hz) improves dehumidifying effect for rate rise, and also to return again to detect afterwards
To the step S370 that are made comparisons with design temperature Ts of indoor real time temperature T1.
In specific implementation process, N, M in above-mentioned steps are positive number, and N ＜ M.For example, N takes its value to take it for 1, M
It is worth and all may be used for 3.In fact, the embodiment more excellent as one, is performing step S370 " the indoor real time temperature T1 that will be detected
Made comparisons with the design temperature Ts " during, no matter indoor real time temperature T1 and design temperature Ts relation, no matter
Followed by performing any one of step S371- steps S375, control air conditioner refrigerating operaton or heating operation are being returned
Before step, first ensuring the running status of air conditioner, to be continued above the 4th preset duration t4 constant；Or in control running frequency
After the step of default unit value is raised and lowered, return it is described by the indoor real time temperature T1 detected and the setting
Before the step of temperature Ts makes comparisons, the preset duration t4 of control air conditioner continuous service the 4th.That is, in step S371, T1 is worked as
During ＞ Ts+M, the state is first judged either with or without the 4th preset duration t4 is continued above, if being continued above the 4th preset duration t4,
The step of returning again to control air conditioner refrigerating operaton；In step S372, as Ts+N ＜ T1≤Ts+M, running frequency liter is controlled
The default unit value of height, according to returning again to step S370 after the preset duration t4 of frequency continuous service the 4th after rise；In step
In S373, as Ts-M≤T1≤Ts-N, control running frequency reduces the default unit value, continues according to the frequency after reduction
Run return to step S370 after the 4th preset duration t4；In step S374, as T1 ＜ Ts-M, first judge the state either with or without
The 4th preset duration t4 is continued above, if the 4th preset duration t4 is continued above, then after shutting down lasting second preset duration t2
The step of returning to control air conditioner heat-production operation.Further, in step S377, as T2≤TL, the constant perseverance of keep frequency
Surely after running more than the 4th preset duration t4, step S370 is returned again to；In step S378, as T2 ＞ TL, control operation frequency
Rate raises the default unit value, and according to returning again to step after the preset duration t4 of frequency continuous service the 4th after rise
S370.Thus, it is possible to ensure the stabilization of running state of air conditioner, the comfortableness impression of user can also be improved.Likewise, herein
4th preset duration t4 can be also set to 5 minutes, but be not limited thereto.
On the other hand, the present invention also provides a kind of constant temperature dehumidification control system of air conditioner.Fig. 4 is that the present invention one is implemented
The structured flowchart of the constant temperature dehumidification control system for the air conditioner that example provides；Likewise, for convenience of description, it illustrate only and this reality
The related part of example is applied, as shown in Figure 4：
A kind of constant temperature dehumidification control system of air conditioner, including：
Design temperature acquiring unit 410, for obtaining the design temperature Ts of user；
Indoor temperature detection unit 420, for detecting current indoor real time temperature T1；
First control unit 430, for controlling air conditioner refrigerating operaton or heating operation, until indoor real time temperature T1 is arrived
Up near the design temperature Ts；
Blast velocity control unit 440, in cooling mode, controlled wind speed to be reduced to default minimum windscreen and starts to dehumidify；
In a heating mode, shut down and continue after the second preset duration t2 controlled wind speed again and be reduced to default minimum windscreen to start to dehumidify.
Further, can also include as a preferred embodiment, the control system：
Outdoor temperature calculates unit 450, for detecting outdoor environment temperature T4, and calculates real-time indoor/outdoor temperature-difference △
T；
Frequency control unit 460, for obtaining default corresponding compressor according to the indoor/outdoor temperature-difference △ T
Initial launch frequency F0, and control air conditioner to be run according to the initial launch frequency F0.
Fig. 5 is the structured flowchart of the constant temperature dehumidification control system for the air conditioner that another preferred embodiment of the present invention provides.Should
Control system is in addition to each modular unit in including Fig. 4, in addition to one the 4th control unit 470.4th control unit
470 are used to make comparisons the indoor real time temperature T1 detected with the design temperature Ts；
As T1 ＞ Ts+M, the step of controlling air conditioner refrigerating operaton is returned；
As Ts+N ＜ T1≤Ts+M, the default unit value of control running frequency rise, and return to the room that will be detected
The step of interior real time temperature T1 makes comparisons with the design temperature Ts；
As Ts-M≤T1≤Ts-N, control running frequency reduces the default unit value, and returns and described will detect
Indoor real time temperature T1 the step of being made comparisons with the design temperature Ts；
As T1 ＜ Ts-M, shutdown returns to the step of control air conditioner heat-production is run after continuing the second preset duration t2；
Further, the 4th control unit 470 is additionally operable to：
As Ts-N ＜ T1≤Ts+N, the coil temperature T2 of indoor heat exchanger is detected；
The coil temperature T2 of the indoor heat exchanger is made comparisons with dew-point temperature TL, the dew-point temperature TL and the room
Interior real time temperature T1 is into one-to-one relationship；
As T2≤TL, remain on that frequency is constant, and return it is described by the indoor real time temperature T1 detected with it is described
The step of design temperature Ts makes comparisons；
As T2 ＞ TL, control running frequency raises the default unit value, and returns described that the interior detected is real
The step of Shi Wendu T1 make comparisons with the design temperature Ts.
In summary, the constant temperature dehumidification control method and control system of air conditioner provided by the invention, it is to increase
The constant temperature dehumidification control method and system of cost.Specifically, air conditioner is either under heating mode or from refrigeration mode
It is lower to enter dehumidified state, indoor humidity load of remove can be determined according to indoor/outdoor temperature-difference size in real time, controls air conditioner by setting
Fixed frequency operation.The frequency change further according to the change Intelligent adjustment compressor of temperature changes with wind speed in the process of running,
So as to reach the effect of constant indoor temperature in dehumidification process, meet the comfortableness demand of user.
It is worth noting that, in above-described embodiment, included unit is simply divided according to function logic,
But above-mentioned division is not limited to, as long as corresponding function can be realized；In addition, the specific name of each functional unit
Only to facilitate mutually distinguish, the protection domain being not intended to limit the invention.
In addition, one of ordinary skill in the art will appreciate that realize all or part of step in the various embodiments described above method
It is that by program the hardware of correlation can be instructed to complete, corresponding program can be stored in a computer-readable storage and be situated between
In matter, described storage medium, such as ROM/RAM, disk or CD.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention has been carried out relatively to be described in detail, for those skilled in the art, it still can be to foregoing each reality
The technical scheme described in example is applied to modify or carry out equivalent substitution to which part technical characteristic.It is all the present invention
All any modification, equivalent and improvement made within spirit and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of constant temperature dehumidification control method of air conditioner, it is characterised in that the control method comprises the following steps：
The design temperature Ts of user is obtained, and detects current indoor real time temperature T1；
Air conditioner refrigerating operaton or heating operation are controlled, until indoor real time temperature T1 is reached near the design temperature Ts；
If in cooling mode, controlled wind speed is reduced to default minimum windscreen and starts to dehumidify；If in a heating mode, shut down
Continue after the second preset duration t2 controlled wind speed again and be reduced to default minimum windscreen to start to dehumidify.
2. the constant temperature dehumidification control method of air conditioner as claimed in claim 1, it is characterised in that also wrapped after dehumidifying is started
Include following steps：
Outdoor environment temperature T4 is detected, calculates real-time indoor/outdoor temperature-difference △ T；
The initial launch frequency F0 of default corresponding compressor is obtained according to the indoor/outdoor temperature-difference △ T；
Control air conditioner is run according to the initial launch frequency F0.
3. the constant temperature dehumidification control method of air conditioner as claimed in claim 1 or 2, it is characterised in that the control air conditioner
Refrigerating operaton or heating operation, it is specially the step of indoor real time temperature T1 is reached near the design temperature Ts：
If Ts≤T1, air conditioner refrigerating operaton, and the continuous service the after the indoor real time temperature T1 ＜ Ts+N are controlled
One preset duration t1；
If Ts ＞ T1, control air conditioner heat-production operation, and the continuous service the after the indoor real time temperature T1 >=Ts+N
One preset duration t1；
Wherein, N is positive number.
4. the constant temperature dehumidification control method of air conditioner as claimed in claim 3, it is characterised in that in control air conditioner according to institute
After stating the 3rd preset duration t3 of initial launch frequency F0 operations, the control method is further comprising the steps of：
The indoor real time temperature T1 detected is made comparisons with the design temperature Ts；
As T1 ＞ Ts+M, the step of controlling air conditioner refrigerating operaton is returned；
As Ts+N ＜ T1≤Ts+M, the default unit value of control running frequency rise, and return described that the interior detected is real
The step of Shi Wendu T1 make comparisons with the design temperature Ts；
As Ts-M≤T1≤Ts-N, control running frequency reduces the default unit value, and returns to the room that will be detected
The step of interior real time temperature T1 makes comparisons with the design temperature Ts；
As T1 ＜ Ts-M, shut down and return to the step of control air conditioner heat-production is run after continuing the second preset duration t2；
Wherein, N, M are positive number, and N ＜ M.
5. the constant temperature dehumidification control method of air conditioner as claimed in claim 4, it is characterised in that the control method also includes
Following steps：
As Ts-N ＜ T1≤Ts+N, the coil temperature T2 of indoor heat exchanger is detected；
The coil temperature T2 of the indoor heat exchanger is made comparisons with dew-point temperature TL, the dew-point temperature TL and the interior are real
Shi Wendu T1 are into one-to-one relationship；
As T2≤TL, remain on that frequency is constant, and return described by the indoor real time temperature T1 detected and the setting
The step of temperature Ts makes comparisons；
As T2 ＞ TL, control running frequency raises the default unit value, and returns described that the interior detected is warm in real time
The step of degree T1 makes comparisons with the design temperature Ts.
6. the constant temperature dehumidification control method of the air conditioner as described in claim 4 or 5, it is characterised in that the control method bag
Include：
When T1 ＞ Ts+M and duration are more than the 4th preset duration t4, the step of returning to control air conditioner refrigerating operaton；
When T1 ＜ Ts-M and duration are more than the 4th preset duration t4, shut down and return to control after continuing the second preset duration t2
The step of air conditioner heat-production operation processed；
As Ts+N ＜ T1≤Ts+M, Ts-M≤T1≤Ts-N or Ts-N ＜ T1≤Ts+N, in the rise of control running frequency or
After the step of reducing the default unit value, return it is described by the indoor real time temperature T1 detected and the design temperature Ts
Before the step of making comparisons, the preset duration t4 of control air conditioner continuous service the 4th.
7. the constant temperature dehumidification control system of a kind of air conditioner, it is characterised in that the control system includes：
Design temperature acquiring unit, for obtaining the design temperature Ts of user；
Indoor temperature detection unit, for detecting current indoor real time temperature T1；
First control unit, for controlling air conditioner refrigerating operaton or heating operation, until described in indoor real time temperature T1 arrival
Near design temperature Ts；
Blast velocity control unit, in cooling mode, controlled wind speed to be reduced to default minimum windscreen and starts to dehumidify；In heating mould
Under formula, shutdown continues after the second preset duration t2 controlled wind speed again and is reduced to default minimum windscreen to start to dehumidify.
8. the constant temperature dehumidification control system of air conditioner as claimed in claim 7, it is characterised in that the control system is also wrapped
Include：
Outdoor temperature calculates unit, for detecting outdoor environment temperature T4, and calculates real-time indoor/outdoor temperature-difference △ T；
Frequency control unit, for obtaining the initial of default corresponding compressor according to the indoor/outdoor temperature-difference △ T
Running frequency F0, and control air conditioner to be run according to the initial launch frequency F0.
9. the constant temperature dehumidification control system of air conditioner as claimed in claim 8, it is characterised in that the control system is also wrapped
Include：
4th control unit, for the indoor real time temperature T1 detected to be made comparisons with the design temperature Ts；
As T1 ＞ Ts+M, the step of controlling air conditioner refrigerating operaton is returned；
As Ts+N ＜ T1≤Ts+M, the default unit value of control running frequency rise, and return described that the interior detected is real
The step of Shi Wendu T1 make comparisons with the design temperature Ts；
As Ts-M≤T1≤Ts-N, control running frequency reduces the default unit value, and returns to the room that will be detected
The step of interior real time temperature T1 makes comparisons with the design temperature Ts；
As T1 ＜ Ts-M, shutdown returns to the step of control air conditioner heat-production is run after continuing the second preset duration t2；
Wherein, N, M are positive number, and N ＜ M.
10. the constant temperature dehumidification control system of air conditioner as claimed in claim 9, it is characterised in that the 4th control unit
It is additionally operable to：
As Ts-N ＜ T1≤Ts+N, the coil temperature T2 of indoor heat exchanger is detected；
The coil temperature T2 of the indoor heat exchanger is made comparisons with dew-point temperature TL, the dew-point temperature TL and the interior are real
Shi Wendu T1 are into one-to-one relationship；
As T2≤TL, remain on that frequency is constant, and return described by the indoor real time temperature T1 detected and the setting
The step of temperature Ts makes comparisons；
As T2 ＞ TL, control running frequency raises the default unit value, and returns described that the interior detected is warm in real time
The step of degree T1 makes comparisons with the design temperature Ts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129193.5A CN104764145B (en) | 2015-03-23 | 2015-03-23 | The constant temperature dehumidification control method and control system of air conditioner |
Applications Claiming Priority (1)
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| JP2004233045A (en) * | 2003-01-30 | 2004-08-19 | Lg Electronics Inc | Healthy dehumidification operating method for air conditioner |
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