CN109269037A - control method and device of air conditioning system - Google Patents
control method and device of air conditioning system Download PDFInfo
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- CN109269037A CN109269037A CN201811175593.XA CN201811175593A CN109269037A CN 109269037 A CN109269037 A CN 109269037A CN 201811175593 A CN201811175593 A CN 201811175593A CN 109269037 A CN109269037 A CN 109269037A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000012360 testing method Methods 0.000 claims description 7
- 230000000052 comparative effect Effects 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000013507 mapping Methods 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 230000000630 rising effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
-
- 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
- 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
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application relates to a control method and a device of an air conditioning system; the method comprises the following steps: acquiring a water temperature parameter of an air conditioning system; acquiring a preset value; and comparing the water temperature parameter with the preset value, and controlling the operation of an outdoor unit of the air conditioning system according to the comparison result. The method and the system have the advantages that the monitoring of the water temperature parameter is added into the modularized air conditioning system, and when the water temperature parameter is higher than a preset value, the normal operation mode is switched to the high water temperature operation mode, so that the system can trigger more outdoor units to participate in the operation more easily, and the area of an outdoor heat exchanger is increased; by adopting the measures, on one hand, the rising of the condensing pressure during heat exchange can be effectively inhibited, and the overhigh high pressure is avoided, and on the other hand, the circulation volume of the refrigerant can be effectively increased because more outdoor units participate in the system circulation, so that the air outlet temperature of the indoor unit can be quickly reduced.
Description
Technical field
This application involves the control technology fields of air-conditioning system, and in particular to a kind of control method and dress of air-conditioning system
It sets.
Background technique
When water source multi-line system is freezed in the case where high inflow temperature, the more high then corresponding system of inflow temperature
Condensing pressure is also higher.When condensing pressure is increased to a certain extent, can have an adverse effect to system.Condensing pressure refers to cold
Refrigerant pressure in condenser pipeline subtracts compressor air-discharging to the pressure loss of condenser and cold by Compressor Discharge Pressure
The drag losses of condenser obtain;General system only detects pressure at expulsion, but since the above-mentioned pressure loss is little, can will condense
Pressure is approximately equal to Compressor Discharge Pressure.
In the related technology, in the booting operation phase, the heat exchanger to exchange heat in order to prevent with water (refers to the heat of outdoor unit
Exchanger, current art generally use double-tube heat exchanger or heat-exchangers of the plate type) condensing pressure it is higher, generally by compressor frequency
Control can reduce condensing pressure in a relatively low frequency in this way.But while condensing pressure reduction, the temperature of condensation
It also reduces, so the heat transfer temperature difference of condensation temperature and water is caused to reduce, in the case where other conditions do not change, and then causes
Heat exchange amount is relatively low;External manifestation be exactly freeze leaving air temp for a long time maintain a higher temperature, this reduces visitors
Family satisfaction.
Summary of the invention
When reducing condensing pressure, cause heat exchange amount inclined to be overcome at least to a certain extent by reducing compressor frequency
Problem low, leaving air temp is high, the application provide the control method and device of a kind of air-conditioning system.
According to the embodiment of the present application in a first aspect, providing a kind of control method of air-conditioning system, comprising:
Obtain the water temperature parameters of air-conditioning system;
Obtain preset value;
Compare the water temperature parameters and the preset value, the operation of the outdoor unit of air-conditioning system is controlled according to comparison result.
Further, the water temperature parameters include: system inflow temperature, alternatively, system leaving water temperature.
Further, the acquisition preset value includes:
Determine the current working phase of air-conditioning system;
Preset value is obtained according to the current working phase.
It is further, described that preset value is obtained according to the current working phase, comprising:
If current working phase is the starting preparation stage, the first preset value is obtained;
If current working phase is the operation phase, the second preset value is obtained;
Wherein, first preset value is less than or equal to second preset value.
Further, the preset value is that pre- first pass through tests test determination, and the preset value is the cold of air-conditioning system
Solidifying pressure is in water temperature value corresponding when high pressure limit value.
Further, the water temperature parameters and the preset value control the outdoor of air-conditioning according to comparison result
The operation of machine, comprising:
If the water temperature parameters are greater than the preset value, the unlatching quantity of outdoor unit is revised, so that revised open
Open the unlatching quantity that quantity is greater than or equal to before revision;Alternatively,
If the water temperature is less than or equal to the preset value, keep the unlatching quantity of outdoor unit constant.
Further, the unlatching quantity of the revision outdoor unit, comprising:
It is revised according to the water temperature parameters comparative example coefficient;
The unlatching quantity of outdoor unit is determined according to revised proportionality coefficient.
Further, the unlatching quantity that outdoor unit is determined according to revised proportionality coefficient, comprising:
Read the mapping table between preset booting quantity and proportionality coefficient;
Booting quantity corresponding to proportionality coefficient after query revision;
The unlatching quantity of outdoor unit is determined according to the booting quantity inquired.
Further, the booting quantity is determined according to proportionality coefficient, environmental parameter and operating parameter;
The environmental parameter includes at least: indoor environment temperature;
The operating parameter includes at least one in following item: the booting total capacity of indoor unit, target temperature, outdoor unit
Total capacity.
According to the second aspect of the embodiment of the present application, a kind of control device of air-conditioning system is provided, comprising:
First obtains module, for obtaining the water temperature parameters of air-conditioning system;
Second obtains module, for obtaining preset value;
Comparison module is used for the water temperature parameters and the preset value;
Control module, the operation of the outdoor unit for controlling air-conditioning system according to comparison result.
According to the third aspect of the embodiment of the present application, a kind of air-conditioning system is provided, comprising:
Memory, for storing executable computer program;
Processor, for executing the program stored in the memory, to execute any one above-mentioned air-conditioning system
Control method.
Further, the air-conditioning system is water source multi-line system.
The technical solution that embodiments herein provides can include the following benefits:
The monitoring to water temperature parameters is added in the application in modular air conditioner system, when water temperature parameters are higher than preset value
When, normal operation mode is switched to high water temperature operational mode, system is made to be easier to trigger more outdoor units participation operations, with
Increase the area of outdoor heat exchanger;By taking this measure, the raising of condensing pressure, is kept away when heat exchange on the one hand can be effectively suppressed
It is excessively high to exempt from high pressure, on the other hand since greater number of outdoor unit participates in system circulation, can effectively promote refrigerant circulation, into
And quickly reduce the leaving air temp of indoor unit.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
Fig. 1 is a kind of flow chart of the control method of air-conditioning system shown according to an exemplary embodiment.
Fig. 2 is a kind of starting preparation stage inflow temperature shown according to an exemplary embodiment and operation decision box.
Fig. 3 is a kind of operation phase inflow temperature shown according to an exemplary embodiment and operation decision box.
Fig. 4 is a kind of circuit block diagram of the control device of air-conditioning system shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
Fig. 1 is a kind of control method of air-conditioning system shown according to an exemplary embodiment, as shown, this method packet
It includes:
Step 101: obtaining the water temperature parameters of air-conditioning system;
Step 102: obtaining preset value;
Step 103: the water temperature parameters and the preset value control the outdoor unit of air-conditioning system according to comparison result
Operation.
The monitoring to water temperature parameters is added in the application in modular air conditioner system, when water temperature parameters are higher than preset value
When, normal operation mode is switched to high water temperature operational mode, by turning down ratio relevant to distribution is overflowed in control program
Coefficient makes system be easier to trigger more outdoor units and participates in operation, with increase start more outdoor heat exchangers area can
It can property;By taking this measure, the raising of condensing pressure when heat exchange on the one hand can be effectively suppressed avoids high pressure excessively high and is vented
The protection such as high temperature can effectively promote refrigerant circulation on the other hand since greater number of outdoor unit participates in system circulation, into
And quickly reduce the leaving air temp of indoor unit.
In some embodiments, the water temperature parameters include: system inflow temperature, alternatively, system leaving water temperature.It is readily appreciated that
, corresponding preset value when using system inflow temperature, corresponding preset value, the two when with using system leaving water temperature
It is different.But no matter use system inflow temperature or use system leaving water temperature, the control logic in the case of two kinds is
It is identical.
The principle of the application is: by the monitoring to inflow temperature or leaving water temperature, starting greater number (or whole numbers
Amount) outdoor unit participate in operation, effectively limit the promotion of high pressure, avoid the excessively high protection of high pressure, and then promote refrigerant circulation, fastly
Speed reduces the leaving air temp of indoor unit.
After multi-connected machine carries out modularization, the outdoor unit quantity N (namely the quantity for needing to open) for participating in system circulation is general
It is to be determined according to proportionality coefficient α.The meaning of proportionality coefficient α is: by the indoor unit booting ginseng such as total capacity and indoor environment load
Obtained ∑ Ai after number is converted, then carry out a ratiometric conversion with the capacity ∑ Bi of outer machine and (such as hold ∑ Ai and outer machine
Amount ∑ Bi carries out size comparison or ∑ Ai ÷ ∑ Bi) after obtained coefficient.
Proportionality coefficient α, quantity N, ∑ Ai, the relationship between ∑ Bi see the table below.
Table 1:
It should be noted that proportionality coefficient α has an initial value.If inflow temperature is not high, proportionality coefficient α takes initial value
To determine N value.If inflow temperature is excessively high, need to open more outdoor units, then comparative example factor alpha is modified, tool
It is exactly the value for reducing proportionality coefficient α for body, the value of revised proportionality coefficient α is then taken to determine N value.Because can by upper table
Know, the value of proportionality coefficient α is smaller, and N value is easier to increase, that is to say, that more easily trigger multi-machine parallel connection operation.
In some embodiments, the water temperature parameters and the preset value control air-conditioning according to comparison result
The operation of outdoor unit, comprising:
If the water temperature parameters are greater than the preset value, the unlatching quantity of outdoor unit is revised, so that revised open
Open the unlatching quantity that quantity is greater than or equal to before revision;Alternatively,
If the water temperature is less than or equal to the preset value, keep the unlatching quantity of outdoor unit constant.
In some embodiments, the unlatching quantity of the revision outdoor unit, comprising:
It is revised according to the water temperature parameters comparative example coefficient;
The unlatching quantity of outdoor unit is determined according to revised proportionality coefficient.
In some embodiments, the unlatching quantity that outdoor unit is determined according to revised proportionality coefficient, comprising:
Read the mapping table between preset booting quantity and proportionality coefficient;
Booting quantity corresponding to proportionality coefficient after query revision;
The unlatching quantity of outdoor unit is determined according to the booting quantity inquired.
In some embodiments, table 1 is the mapping table being switched between quantity and proportionality coefficient.
According to table 1, in some embodiments, the booting quantity is according to proportionality coefficient, environmental parameter and operating parameter
Determining;
The environmental parameter includes at least: indoor environment temperature;
The operating parameter includes at least one in following item: the booting total capacity of indoor unit, target temperature, outdoor unit
Total capacity.
In table 1, ∑ Ai is that the total capacity that is switched on according to indoor unit is determined with indoor environment load, and indoor environment load
It needs to be determined according to indoor environment temperature and target temperature.∑ Bi is outdoor unit total capacity.∑ Ai and ∑ Bi is to determine outdoor
Data necessary to the unlatching quantity N of machine.
In outdoor unit exploitation, by testing in the lab, obtain under high inflow temperature, " condensing pressure and water inlet
The corresponding relationship of water temperature T i " determines that inflow temperature Ti is how many when, will cause condensing pressure and the water temperature temperature difference too small, in turn
There is the danger of heat transfer effect difference, it is hereby achieved that preset value Tp and Tp ' (since start-up phase system is unstable, are easy to appear
System condensing pressure rises quickly phenomenon, therefore Tp≤Tp ').During the experiment, when inflow temperature Ti is increased, correspondence system is cold
Solidifying pressure will also increase, and when condensing pressure, which is increased to, generates the pressure of harm to system, set inflow temperature Ti's at this time
Value is preset value Tp (or Tp ').
As shown in Fig. 2, starting preparation stage, the system inflow temperature Ti of monitoring, when Ti subtracts preset value Tp less than or equal to 0
When, meaning inflow temperature is not high;At this temperature, the temperature of condensing pressure corresponding the refrigerant saturation temperature and water temperature of system operation
Difference is larger, therefore outdoor heat exchange works well, and participates in the outer machine module of system circulation according to normal operation, i.e. not comparative example
Factor alpha is revised.
Start the preparation stage, the system inflow temperature Ti of monitoring means inflow temperature when Ti subtracts preset value Tp greater than 0
It is high;At this temperature, the corresponding refrigerant saturation temperature of condensing pressure and the water temperature temperature difference of system operation are smaller, will lead to outdoor and change
Thermal effect is poor, then makes a very bad impression (such as high pressure is excessively high, and compressor exhaust temperature is excessively high) to system, it is therefore desirable to increase
Add outdoor heat exchange area, that is, increase the outer machine module number for participating in system circulation, proportionality coefficient α is revised, to make system at this
In the case of be easier to trigger more outer machines and participate in running.
As shown in figure 3, normal operating phase, the system inflow temperature Ti of monitoring, when Ti subtracts preset value Tp ' less than or equal to 0
When, meaning inflow temperature is not high;At this temperature, the corresponding refrigerant saturation temperature of condensing pressure and the water temperature temperature difference of system operation
It is larger, therefore outdoor heat exchange works well, participate in the outer machine module of system circulation according to normal operation, i.e. not comparative example system
Number α is revised.
Normal operating phase, the system inflow temperature Ti of monitoring mean inflow temperature when Ti subtracts preset value Tp ' greater than 0
It is high;At this temperature, the corresponding refrigerant saturation temperature of condensing pressure and the water temperature temperature difference of system operation are smaller, will lead to outdoor and change
Thermal effect is poor, then makes a very bad impression (such as high pressure is excessively high, and compressor exhaust temperature is excessively high) to system, it is therefore desirable to increase
Add outdoor heat exchange area, that is, increase the outer machine module number for participating in system circulation, proportionality coefficient α is revised, to make system at this
In the case of be easier to trigger more outer machines and participate in running.
Example 1: in some three outer machine parallel system, Tp=43 DEG C of preset value corresponding to the system, during startup
It Ti=45 DEG C of inflow temperature, then needs to revise proportionality coefficient α (value for reducing proportionality coefficient α), corresponding N value is enabled to be easier to increase
Greatly, that is, it is easier triggering multi-machine parallel connection operation.
Example 2: in some three outer machine parallel system, inflow temperature Ti is increased to 45 DEG C from 40 DEG C in the process of running, should
Preset value Tp '=43 DEG C corresponding to system then need to revise proportionality coefficient α (value for reducing proportionality coefficient α), enable corresponding
N value is easier to increase, that is, is easier triggering multi-machine parallel connection operation.
In some embodiments, the acquisition preset value includes:
Determine the current working phase of air-conditioning system;
Preset value is obtained according to the current working phase.
It is described that preset value is obtained according to the current working phase in some embodiments, comprising:
If current working phase is the starting preparation stage, the first preset value is obtained;
If current working phase is the operation phase, the second preset value is obtained;
Wherein, first preset value is less than or equal to second preset value.
In some embodiments, the preset value is that pre- first pass through tests test determination, and the preset value is air-conditioning system
Condensing pressure be in water temperature value corresponding when high pressure limit value.
Fig. 4 is a kind of circuit block diagram of the control device of air-conditioning system shown according to an exemplary embodiment.Referring to figure
4, which includes the first acquisition module 401, and second obtains module 402, comparison module 403 and control module 404.
First acquisition module 401 is used to obtain the water temperature parameters of air-conditioning system;
Second acquisition module 402 is for obtaining preset value;
Comparison module 403 is used for the water temperature parameters and the preset value;
Control module 404 is used to control the operation of the outdoor unit of air-conditioning system according to comparison result.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
The application also provides following embodiment:
A kind of air-conditioning system, comprising:
Memory, for storing executable computer program;
Processor, for executing the program stored in the memory, to execute any one above-mentioned air-conditioning system
Control method.
In some embodiments, the air-conditioning system is water source multi-line system.
It is understood that same or similar part can mutually refer in the various embodiments described above, in some embodiments
Unspecified content may refer to the same or similar content in other embodiments.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present application, without
It can be interpreted as indication or suggestion relative importance.In addition, in the description of the present application, unless otherwise indicated, the meaning of " multiple "
Refer at least two.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the application includes other realization, wherein can not press shown or discussed suitable
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be by the application
Embodiment person of ordinary skill in the field understood.
It should be appreciated that each section of the application can be realized with hardware, software, firmware or their combination.Above-mentioned
In embodiment, software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of column technology or their combination are realized: having a logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
It, can also be in addition, can integrate in a processing module in each functional unit in each embodiment of the application
It is that each unit physically exists alone, can also be integrated in two or more units in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized and when sold or used as an independent product in the form of software function module, also can store in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
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 contained at least one embodiment or example of the application.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (12)
1. a kind of control method of air-conditioning system characterized by comprising
Obtain the water temperature parameters of air-conditioning system;
Obtain preset value;
Compare the water temperature parameters and the preset value, the operation of the outdoor unit of air-conditioning system is controlled according to comparison result.
2. the method according to claim 1, wherein the water temperature parameters include: system inflow temperature, alternatively,
System leaving water temperature.
3. the method according to claim 1, wherein the acquisition preset value includes:
Determine the current working phase of air-conditioning system;
Preset value is obtained according to the current working phase.
4. according to the method described in claim 3, it is characterized in that, it is described according to the current working phase obtain preset value,
Include:
If current working phase is the starting preparation stage, the first preset value is obtained;
If current working phase is the operation phase, the second preset value is obtained;
Wherein, first preset value is less than or equal to second preset value.
5. method according to claim 1-4, which is characterized in that the preset value is that pre- first pass through tests test
Determining, the preset value is that the condensing pressure of air-conditioning system is in water temperature value corresponding when high pressure limit value.
6. method according to claim 1-4, which is characterized in that water temperature parameters and described pre-
If value controls the operation of the outdoor unit of air-conditioning according to comparison result, comprising:
If the water temperature parameters are greater than the preset value, the unlatching quantity of outdoor unit is revised, so that revised unlatching number
Amount is greater than or equal to the unlatching quantity before revision;Alternatively,
If the water temperature is less than or equal to the preset value, keep the unlatching quantity of outdoor unit constant.
7. according to the method described in claim 6, it is characterized in that, the unlatching quantity of the revision outdoor unit, comprising:
It is revised according to the water temperature parameters comparative example coefficient;
The unlatching quantity of outdoor unit is determined according to revised proportionality coefficient.
8. the method according to the description of claim 7 is characterized in that described determine outdoor unit according to revised proportionality coefficient
Open quantity, comprising:
Read the mapping table between preset booting quantity and proportionality coefficient;
Booting quantity corresponding to proportionality coefficient after query revision;
The unlatching quantity of outdoor unit is determined according to the booting quantity inquired.
9. according to the method described in claim 8, it is characterized in that, the booting quantity is according to proportionality coefficient, environmental parameter
It is determined with operating parameter;
The environmental parameter includes at least: indoor environment temperature;
The operating parameter includes at least one in following item: the booting total capacity of indoor unit, target temperature, outdoor unit always hold
Amount.
10. a kind of control device of air-conditioning system characterized by comprising
First obtains module, for obtaining the water temperature parameters of air-conditioning system;
Second obtains module, for obtaining preset value;
Comparison module is used for the water temperature parameters and the preset value;
Control module, the operation of the outdoor unit for controlling air-conditioning system according to comparison result.
11. a kind of air-conditioning system characterized by comprising
Memory, for storing executable computer program;
Processor, for executing the program stored in the memory, to execute such as the described in any item sides of claim 1-9
Method.
12. air-conditioning system according to claim 11, which is characterized in that the air-conditioning system is water source multi-line system.
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110486914A (en) * | 2019-08-21 | 2019-11-22 | 珠海格力电器股份有限公司 | A kind of control method of Hot water units, device and Hot water units |
CN114265647A (en) * | 2020-09-15 | 2022-04-01 | 广东美的制冷设备有限公司 | Interactive interface display method, control terminal, air conditioner and medium |
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CN114265647A (en) * | 2020-09-15 | 2022-04-01 | 广东美的制冷设备有限公司 | Interactive interface display method, control terminal, air conditioner and medium |
CN115451493A (en) * | 2022-09-01 | 2022-12-09 | 珠海格力电器股份有限公司 | Fresh air system, control method and device thereof, and storage medium |
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