CN106568136B - Adaptive shutdown aperture control method, system and air conditioner when a kind of multi-split air conditioner heats - Google Patents
Adaptive shutdown aperture control method, system and air conditioner when a kind of multi-split air conditioner heats Download PDFInfo
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- CN106568136B CN106568136B CN201610971073.4A CN201610971073A CN106568136B CN 106568136 B CN106568136 B CN 106568136B CN 201610971073 A CN201610971073 A CN 201610971073A CN 106568136 B CN106568136 B CN 106568136B
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
Abstract
Adaptive shutdown aperture control method, system and air conditioner when a kind of multi-split air conditioner heats are related to air conditioner and shut down aperture control field.The problem of shutdown aperture when by heating optimizes, and adjusts shutdown aperture according to the inlet and outlet temperature difference of the refrigerant in different abilities in machine, prevents aperture is unreasonable from single machine heating performance being caused to decay, and influences room heating comfort.It receives indoor unit signal and judges whether air-conditioning is in heating mode, if it is not, then circulation judges whether air-conditioning is in heating mode；If so, adjustment does not open interior machine aperture to P1；According to not opening, interior machine imports and exports temperature difference and the nominal refrigerating capacity of interior machine is adjusted interior machine aperture.The present invention is suitable for shutting down aperture control when air conditioner heat-production.
Description
Technical field
The present invention relates to air conditioners to shut down aperture control field.
Background technique
During multi-split air conditioner list opens heating, the aperture that machine corresponds to electric expansion valve in shutdown cannot be in complete
Closed state, it will usually which control guarantees that refrigerant can circulate in systems in certain aperture, shuts down aperture and affects list
The heating performance of machine, especially in the interior machine for different ability sections of arranging in pairs or groups, the control for shutting down aperture is even more important.
Summary of the invention
The present invention provides adaptive shutdown aperture control method, system and the air-conditioning when a kind of heating of multi-split air conditioner
Device, shutdown aperture when by heating are optimized, are adjusted according to the inlet and outlet temperature difference of the refrigerant in different abilities in machine
The problem of whole shutdown aperture prevents aperture is unreasonable from single machine heating performance being caused to decay, and influences room heating comfort.
The technical scheme to solve the above technical problems is that
A kind of adaptive shutdown aperture control method when multi-split air conditioner heats, which comprises
S1, reception indoor unit signal judge whether air-conditioning is in heating mode, if so, S2 is thened follow the steps, if it is not, then following
Ring judges whether air-conditioning is in heating mode；
S2, adjustment do not open interior machine aperture to P1；
S3, according to not opening, interior machine imports and exports temperature difference and the nominal refrigerating capacity of interior machine is adjusted interior machine aperture.
The beneficial effects of the present invention are: shutdown aperture control method proposed by the invention, takes for multi-split air conditioner
Objective circumstances with machine operation heating in a variety of differences, accurately control machine aperture in different shutdown, prevent aperture single
Limitation causes single machine heating performance that can not perform to optimum state, and control mode is made to can be suitably used for machine in different model, promotes one
One driving multiple-unit air conditioner list opens heating performance, promotes users'comfort.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the S3 includes:
After interior machine aperture to P1 is not opened in S31, adjustment, it is spaced ts, interior machine inlet and outlet temperature difference is not opened in calculating；
S32, setting value corresponding to nominal refrigerating capacity of the interior machine inlet and outlet temperature difference with interior machine will not be opened compare
Compared with；If temperature difference is greater than setting value, S33 is executed；If the temperature difference is less than setting value, circulation is compared；
Machine aperture increases P2 in S33, adjustment.
Beneficial effect using above-mentioned further scheme is: shutting down the further of aperture control to current multi-split air conditioner
Optimization realizes the lower flexible control for shutting down aperture of machine collocation in difference, promotes one on this basis and drag the non-full-gear of more air-conditionings
Under heating performance.
Further, the P1 is 40.
Further, the P2 is 6.
Further, the interior machine of different nominal refrigerating capacities corresponds to different setting values, specific as follows:
Nominal refrigerating capacity setting value corresponding to 2600W interior machine below is △ T1；
Nominal refrigerating capacity setting value corresponding to 2600W to the interior machine between 3500W is △ T2；
Nominal refrigerating capacity setting value corresponding to 3500W to the interior machine between 5000W is △ T3；
Nominal refrigerating capacity setting value corresponding to the interior machine of 5000W or more is △ T4.
Beneficial effect using above-mentioned further scheme is: corresponding to different set according to the difference of the nominal refrigerating capacity of interior machine
Value is set, the shutdown aperture of air conditioner is accurately controlled after being then compared the fiducial value of temperature with setting value.
Further, it be 5.5, △ T3 be 6.5, △ T4 is 8 that the △ T1, which is 4, △ T2,.
The present invention is to solve the above-mentioned problems, it is also proposed that adaptive shutdown aperture when a kind of multi-split air conditioner heats
Control system, the system comprises:
Judgment module judges whether air-conditioning is in heating mode for receiving indoor unit signal, if so, in starting at the beginning of machine
Beginning aperture setup module, if it is not, then circulation judges whether air-conditioning is in heating mode；
Interior machine initial opening setup module does not open interior machine aperture to P1 for adjusting；
Interior machine aperture control module, for according to the nominal refrigerating capacity pair for not opening interior machine inlet and outlet temperature difference and interior machine
Interior machine aperture is adjusted.
The beneficial effects of the present invention are: shutdown opening control system proposed by the invention, takes for multi-split air conditioner
Objective circumstances with machine operation heating in a variety of differences, accurately control machine aperture in different shutdown, prevent aperture single
Limitation causes single machine heating performance that can not perform to optimum state, and control mode is made to can be suitably used for machine in different model, promotes one
One driving multiple-unit air conditioner list opens heating performance, promotes users'comfort.
Further, the interior machine aperture control module includes:
Differential thermal calculation module after not opening interior machine aperture to P1 for adjustment, is spaced ts, and interior machine inlet and outlet are not opened in calculating
Temperature difference；
Comparison module, will not open setting value corresponding to interior machine inlet and outlet temperature difference and the nominal refrigerating capacity of interior machine into
Row compares；If temperature difference is greater than setting value, starts interior machine aperture and increase module；If the temperature difference be less than setting value, recycle into
Row compares；
Interior machine aperture increases module, increases P2 for adjusting interior machine aperture.
Beneficial effect using above-mentioned further scheme is: shutting down the further of aperture control to current multi-split air conditioner
Optimization realizes the lower flexible control for shutting down aperture of machine collocation in difference, promotes one on this basis and drag the non-full-gear of more air-conditionings
Under heating performance.
Further, the P1 is 40.
Further, the P2 is 6.
Further, the interior machine of different nominal refrigerating capacities corresponds to different setting values, specific as follows:
Nominal refrigerating capacity setting value corresponding to 2600W interior machine below is △ T1；
Nominal refrigerating capacity setting value corresponding to 2600W to the interior machine between 3500W is △ T2；
Nominal refrigerating capacity setting value corresponding to 3500W to the interior machine between 5000W is △ T3；
Nominal refrigerating capacity setting value corresponding to the interior machine of 5000W or more is △ T4.
Beneficial effect using above-mentioned further scheme is: corresponding to different set according to the difference of the nominal refrigerating capacity of interior machine
Value is set, the shutdown aperture of air conditioner is accurately controlled after being then compared the fiducial value of temperature with setting value.
Further, it be 5.5, △ T3 be 6.5, △ T4 is 8 that the △ T1, which is 4, △ T2,.
The invention also provides a kind of air conditioner, the air conditioner includes adaptive shutdown aperture control system described above
System, accurately controls machine aperture in different shutdown.
Detailed description of the invention
Fig. 1 is the flow chart of adaptive shutdown aperture control method described in the embodiment of the present invention；
Fig. 2 is described in the embodiment of the present invention according to the nominal refrigerating capacity for not opening interior machine inlet and outlet temperature difference and interior machine
The flow chart that interior machine aperture is adjusted；
Fig. 3 is the schematic illustration of adaptive shutdown opening control system described in the embodiment of the present invention；
Fig. 4 is the schematic illustration of interior machine aperture control module described in the embodiment of the present invention；
Fig. 5 is the work flow diagram of adaptive shutdown opening control system described in the embodiment of the present invention.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
The aperture for not opening interior machine electric expansion valve under non-full-gear is controlled in order to realize, prevents refrigerant
It is stored in the problem that do not open and cause refrigerant flow deficiency in interior machine, promotes the heating capacity of machine in opening when heating, this reality
Adaptive shutdown aperture control method when example proposes a kind of heating of multi-split air conditioner is applied, as shown in Figure 1, the method packet
It includes:
S1, reception indoor unit signal judge whether air-conditioning is in heating mode, if so, S2 is thened follow the steps, if it is not, then following
Ring judges whether air-conditioning is in heating mode；
S2, adjustment do not open interior machine aperture to P1；
S3, according to not opening, interior machine imports and exports temperature difference and the nominal refrigerating capacity of interior machine is adjusted interior machine aperture.
Wherein, as shown in Fig. 2, the S3 includes:
After interior machine aperture to P1 is not opened in S31, adjustment, it is spaced ts, interior machine inlet and outlet temperature difference is not opened in calculating；
S32, setting value corresponding to nominal refrigerating capacity of the interior machine inlet and outlet temperature difference with interior machine will not be opened compare
Compared with；If temperature difference is greater than setting value, S33 is executed；If the temperature difference is less than setting value, circulation is compared；
Machine aperture increases P2 in S33, adjustment.
Preferably, 40 P1, P2 6, meanwhile, the interior machine of different nominal refrigerating capacities corresponds to different setting values, has
Body is as follows:
Nominal refrigerating capacity setting value corresponding to 2600W interior machine below is △ T1；
Nominal refrigerating capacity setting value corresponding to 2600W to the interior machine between 3500W is △ T2；
Nominal refrigerating capacity setting value corresponding to 3500W to the interior machine between 5000W is △ T3；
Nominal refrigerating capacity setting value corresponding to the interior machine of 5000W or more is △ T4.
Preferably, it be 5.5, △ T3 be 6.5, △ T4 is 8 that △ T1, which is 4, △ T2,.
Adaptive shutdown aperture control method described in the present embodiment is after interior machine receives heating signal, in outdoor unit chip
Whether machine is singly to open heating in judging, does not otherwise enter this shutdown aperture control program, and control does not open interior machine initial opening extremely
P1 after being spaced ts, does not open interior machine the import and export pipeline refrigerant temperature difference (T1-T2) using temperature sensor detection, judges (T1-
T2) whether > △ Ti is true, such as sets up, then the aperture for controlling the electric expansion valve of machine in corresponding increases P2, otherwise continues back at
Initial detecting state.
The present embodiment for multi-split air conditioner arrange in pairs or groups it is a variety of difference in machine operation heating objective circumstances, to different shutdown
Interior machine aperture is accurately controlled, and is prevented the single limitation of aperture from causing single machine heating performance that can not perform to optimum state, is made to control
Mode processed can be suitably used for machine in different model, promotes multi-split air conditioner list and opens heating performance, promotes users'comfort.
The present embodiment also proposed adaptive shutdown opening control system when a kind of heating of multi-split air conditioner, such as Fig. 3
It is shown, the system comprises:
Judgment module judges whether air-conditioning is in heating mode for receiving indoor unit signal, if so, in starting at the beginning of machine
Beginning aperture setup module, if it is not, then circulation judges whether air-conditioning is in heating mode；
Interior machine initial opening setup module does not open interior machine aperture to P1 for adjusting；
Interior machine aperture control module, for according to the nominal refrigerating capacity pair for not opening interior machine inlet and outlet temperature difference and interior machine
Interior machine aperture is adjusted.
Preferably, as shown in figure 4, the interior machine aperture control module includes:
Differential thermal calculation module after not opening interior machine aperture to P1 for adjustment, is spaced ts, and interior machine inlet and outlet are not opened in calculating
Temperature difference；
Comparison module, will not open setting value corresponding to interior machine inlet and outlet temperature difference and the nominal refrigerating capacity of interior machine into
Row compares；If temperature difference is greater than setting value, starts interior machine aperture and increase module；If the temperature difference be less than setting value, recycle into
Row compares；
Interior machine aperture increases module, increases P2 for adjusting interior machine aperture.
Preferably, 40 P1, P2 6, meanwhile, the interior machine of different nominal refrigerating capacities corresponds to different setting values, has
Body is as follows:
Nominal refrigerating capacity setting value corresponding to 2600W interior machine below is △ T1；
Nominal refrigerating capacity setting value corresponding to 2600W to the interior machine between 3500W is △ T2；
Nominal refrigerating capacity setting value corresponding to 3500W to the interior machine between 5000W is △ T3；
Nominal refrigerating capacity setting value corresponding to the interior machine of 5000W or more is △ T4.
Preferably, it be 5.5, △ T3 be 6.5, △ T4 is 8 that △ T1, which is 4, △ T2,.
Illustrate the specific work process of adaptive shutdown opening control system described in the present embodiment in conjunction with Fig. 5:
Whether machine is singly to open heating in judging after interior machine receives heating signal, in outdoor unit chip, does not otherwise enter and originally stops
Machine aperture controls program, and control is not opened interior machine initial opening to P1, after being spaced ts, do not opened using temperature sensor detection interior
Machine the import and export pipeline refrigerant temperature difference (T1-T2), whether judgement (T1-T2) > △ T i is true, such as sets up, then controls in corresponding
The aperture of the electric expansion valve of machine increases P2, otherwise continues back at initial detecting state.
The shutdown opening control system that the present embodiment is proposed is run for machine in a variety of differences of multi-split air conditioner collocation
The objective circumstances of heating accurately control machine aperture in different shutdown, prevent the single limitation of aperture from causing single-unit hot
Optimum state can not be performed to, control mode is made to can be suitably used for machine in different model, promoted multi-split air conditioner list and open heating
Performance promotes users'comfort.
The present embodiment also proposed a kind of air conditioner, and the air conditioner includes adaptive shutdown aperture control described above
System accurately controls machine aperture in different shutdown.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (11)
- Adaptive shutdown aperture control method when 1. a kind of multi-split air conditioner heats, which is characterized in that the described method includes:S1, reception indoor unit signal judge whether air-conditioning is in heating mode, if so, S2 is thened follow the steps, if it is not, then circulation pair Whether air-conditioning, which is in heating mode, is judged；S2, adjustment do not open interior machine aperture to P1；Interior machine inlet and outlet temperature difference is not opened in S3, interval ts, calculating, will not open the nominal of interior machine inlet and outlet temperature difference and interior machine Setting value corresponding to refrigerating capacity is compared, if temperature difference is greater than setting value, is adjusted interior machine aperture and is increased P2, if the temperature difference Value is less than setting value, then circulation is compared.
- 2. adaptive shutdown aperture control method when a kind of multi-split air conditioner according to claim 1 heats, special Sign is that the P1 is 40.
- 3. adaptive shutdown aperture control method when a kind of multi-split air conditioner according to claim 2 heats, special Sign is that the P2 is 6.
- 4. adaptive shutdown aperture control method when a kind of multi-split air conditioner according to claim 1 heats, special Sign is that the interior machine of different nominal refrigerating capacities corresponds to different setting values, specific as follows:Nominal refrigerating capacity setting value corresponding to 2600W interior machine below is △ T1；Nominal refrigerating capacity setting value corresponding to 2600W to the interior machine between 3500W is △ T2；Nominal refrigerating capacity setting value corresponding to 3500W to the interior machine between 5000W is △ T3；Nominal refrigerating capacity setting value corresponding to the interior machine of 5000W or more is △ T4.
- 5. adaptive shutdown aperture control method when a kind of multi-split air conditioner according to claim 4 heats, special Sign is, it be 5.5, △ T3 be 6.5, △ T4 is 8 that the △ T1, which is 4, △ T2,.
- Adaptive shutdown opening control system when 6. a kind of multi-split air conditioner heats, which is characterized in that the system comprises:Judgment module judges whether air-conditioning is in heating mode for receiving indoor unit signal, if so, machine is initially opened in starting Setup module is spent, if it is not, then circulation judges whether air-conditioning is in heating mode；Interior machine initial opening setup module does not open interior machine aperture to P1 for adjusting；Interior machine aperture control module does not open the nominal refrigerating capacity of interior machine inlet and outlet temperature difference and interior machine to interior machine for basis Aperture is adjusted, and is specifically included:Differential thermal calculation module after not opening interior machine aperture to P1 for adjustment, is spaced ts, and the interior machine inlet and outlet temperature difference is not opened in calculating Value；Comparison module will not opened setting value corresponding to nominal refrigerating capacity of the interior machine inlet and outlet temperature difference with interior machine and be compared Compared with；If temperature difference is greater than setting value, starts interior machine aperture and increase module；If temperature difference is less than setting value, circulation is compared Compared with；Interior machine aperture increases module, increases P2 for adjusting interior machine aperture.
- 7. adaptive shutdown opening control system when a kind of multi-split air conditioner according to claim 6 heats, special Sign is that the P1 is 40.
- 8. adaptive shutdown opening control system when a kind of multi-split air conditioner according to claim 7 heats, special Sign is that the P2 is 6.
- 9. adaptive shutdown opening control system when a kind of multi-split air conditioner according to claim 6 heats, special Sign is that the interior machine of different nominal refrigerating capacities corresponds to different setting values, specific as follows:Nominal refrigerating capacity setting value corresponding to 2600W interior machine below is △ T1；Nominal refrigerating capacity setting value corresponding to 2600W to the interior machine between 3500W is △ T2；Nominal refrigerating capacity setting value corresponding to 3500W to the interior machine between 5000W is △ T3；Nominal refrigerating capacity setting value corresponding to the interior machine of 5000W or more is △ T4.
- 10. adaptive shutdown opening control system when a kind of multi-split air conditioner according to claim 9 heats, special Sign is, it be 5.5, △ T3 be 6.5, △ T4 is 8 that the △ T1, which is 4, △ T2,.
- 11. a kind of air conditioner, which is characterized in that the air conditioner, which includes that claim 6 to 10 is described in any item, adaptively to stop Machine opening control system.
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| CN108224739B (en) * | 2017-12-01 | 2020-08-18 | 青岛海尔空调电子有限公司 | Noise control method of multi-connected air conditioning system |
| CN108800479B (en) * | 2018-06-12 | 2020-12-11 | 广东美的制冷设备有限公司 | Control method and device for multi-split air conditioner and computer readable storage medium |
| CN110553339A (en) * | 2019-09-19 | 2019-12-10 | 宁波奥克斯电气股份有限公司 | Heat accumulation prevention control method and device for multi-split air conditioner and air conditioner |
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