CN103982988B - Prevent a method and device for dragging many air-conditionings excessively to heat - Google Patents
Prevent a method and device for dragging many air-conditionings excessively to heat Download PDFInfo
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Abstract
One is prevented to drag the excessive method for heating of many air-conditionings the invention provides a kind of, including：When any indoor set in multiple indoor sets during described drags many air-conditionings receives the instruction of temperature setting in a heating mode, the opening value of the corresponding electric expansion valve of other indoor sets in multiple indoor sets is set to default opening value；The corresponding indoor environment temperature of each indoor set in described other indoor sets is obtained, and the evaporator coil temperature of each indoor set is compared with the corresponding indoor environment temperature；The opening value of the corresponding electric expansion valve of each indoor set according to comparative result regulation.Correspondingly, a device for dragging many air-conditionings excessively to heat is prevented the invention allows for a kind of.By technical scheme, the electric expansion valve of the temperature change control indoor set according to evaporator coil opens different opening values, while refrigerant proper flow is ensured so that air-conditioning can radiate to greatest extent, it is effectively prevented from excessively heating situation generation.
Description
Technical field
The present invention relates to split-type air conditioner technical field, one is prevented to drag what many air-conditionings were excessively heated in particular to a kind of
Method and a kind of one is prevented to drag many air-conditionings excessively device for heating.
Background technology
One drags the branch that many air-conditionings are split-type air conditioners, and in general, one drags many air-conditionings with multiple indoor sets, can use
In multiple rooms, but these indoor sets share an outdoor unit, so, purchase a set of one drag many air-conditioning ratios purchase it is many set it is general
Logical air-conditioning price is low, and one drags the noise of many air-conditionings also smaller than common air-conditioning, and eliminates many troubles of outdoor unit of installation.
However, existing one to drag many air-conditionings be all to be connected to outdoor unit after the series connection of many indoor sets, its indoor set with it is outdoor
A set of pipeline is shared between machine, when user sets and only opens an indoor set heating operation, to ensure that refrigerant is normal in system
Flow without hydrops, it is necessary to the corresponding electric expansion valve of indoor set that remaining does not receive start-up command is opened into certain aperture,
But this can cause heat to be assembled, i.e., excessively heat, the usage comfort of user is influenceed.
Therefore, one how is prevented to drag many air-conditionings excessively to heat, as technical problem urgently to be resolved hurrily at present.
The content of the invention
Present invention seek to address that the problem for dragging many air-conditionings excessively to heat that prior art is present.
Therefore, a kind of preventing one to drag many air-conditionings excessively method for heating it is an object of the present invention to propose.
A kind of one is prevented to drag many air-conditionings excessively device for heating it is another object of the present invention to propose.
To achieve the above object, embodiment according to the first aspect of the invention, it is proposed that one kind prevents to drag many air-conditionings
The method for excessively heating, including：In a heating mode, any indoor set in dragging many air-conditionings when described in multiple indoor sets connects
When receiving the instruction of temperature setting, the opening value of the corresponding electric expansion valve of other indoor sets in the multiple indoor set is set
To preset opening value；The corresponding indoor environment temperature of each indoor set in described other indoor sets is obtained, and will described each room
The evaporator coil temperature of interior machine is compared with the corresponding indoor environment temperature；According to comparative result regulation described in each
The opening value of the corresponding electric expansion valve of indoor set.
A method for dragging many air-conditionings excessively to heat is prevented according to an embodiment of the invention, in order to ensure refrigerant proper flow
And not hydrops, it is necessary to the corresponding electric expansion valve of each indoor set is opened into certain aperture, and changeless aperture can be led
Situation about excessively heating is caused to occur, so, evaporator coil temperature and corresponding indoor ring of the present invention according to each indoor set
The comparative result of border temperature adjusts the opening value of the corresponding electric expansion valve of each indoor set, so according to evaporator coil
The electric expansion valve of temperature change control indoor set open different opening values, indoor set is radiated in time, and
And the occurrence of excessively heating is efficiently avoid, so as to improve the comfort level of user.
According to one embodiment of present invention, the evaporator coil temperature for calculating each indoor set is corresponding with described
The difference of indoor environment temperature.
A method for dragging many air-conditionings excessively to heat is prevented according to an embodiment of the invention, by calculating each indoor set
The difference of the corresponding indoor environment temperature of evaporator coil temperature, can aid in the journey of the heat accumulation for understanding indoor set
Degree, for the opening value for adjusting the corresponding electric expansion valve of each indoor set provides foundation.
According to one embodiment of present invention, according to the setting command for receiving, set and saved differences scope and with
The corresponding opening value of the difference range.
Specifically, according to the difference range and corresponding opening value of storage, the goal discrepancy belonging to the difference is determined
Value scope, and the corresponding target opening value of the difference is determined according to the target difference scope, and by the electricity of the indoor set
The opening value of sub- expansion valve is adjusted to the target opening value.
A method for dragging many air-conditionings excessively to heat is prevented according to an embodiment of the invention, and user or manufacturer can be according to need
Evaporator coil temperature multiple difference ranges corresponding with indoor environment temperature of other indoor sets are set, and are different differences
Value scope sets different opening values, such as, set when evaporator coil temperature is 10 with the difference range of indoor environment temperature
DEG C~15 DEG C when, corresponding opening value be 10-20P (step), when difference range be more than 15 DEG C when, corresponding opening value be 0, this
Sample, when other indoor sets evaporator coil temperature higher than indoor environment temperature more than 10 DEG C but when being less than 15 DEG C, by its room
The corresponding electronic expansion valve opening of interior machine is reduced to (10~20P), and preferential is reduced to 15P by aperture, when other indoor sets
Evaporator coil temperature higher than indoor environment temperature more than 15 DEG C when, the corresponding electronic expansion valve opening of other indoor sets is closed
(i.e. opening value is 0).So, difference range and the corresponding opening value of difference range is set to cause to the regulation of opening value more
Accurately, radiating in time is contributed to, while it also avoid causing refrigerant hydrops because of too big to the regulating degree of opening value.
According to one embodiment of present invention, also include：The electricity of any indoor set in described other indoor sets are detected
When the opening value of sub- expansion valve is reduced to zero, the wind guide strip of any indoor set is opened, and by the air outlet angle of the wind guide strip
Adjust to maximum.
A method for dragging many air-conditionings excessively to heat is prevented according to an embodiment of the invention, and opening wind guide strip can accelerate radiating
Speed, the air outlet angle of wind guide strip is adjusted to maximum so that air-conditioning can radiate to greatest extent, is effectively prevented from excessively system
Enthusiasm condition occurs.
Embodiment according to a second aspect of the present invention, it is proposed that a kind of to prevent a device for dragging many air-conditionings excessively to heat, bag
Include：Setting unit, any indoor set in dragging many air-conditionings when described in multiple indoor sets receives temperature in a heating mode
During the instruction of setting, the opening value of the corresponding electric expansion valve of other indoor sets in the multiple indoor set is set to default opening
Angle value；Comparing unit, obtains the corresponding indoor environment temperature of each indoor set in described other indoor sets, and will described each room
The evaporator coil temperature of interior machine is compared with the corresponding indoor environment temperature；Adjustment unit, adjusts according to comparative result
The opening value of the section corresponding electric expansion valve of described each indoor set.
A device for dragging many air-conditionings excessively to heat is prevented according to an embodiment of the invention, in order to ensure refrigerant proper flow
And not hydrops, it is necessary to the corresponding electric expansion valve of each indoor set is opened into certain aperture, and changeless aperture can be led
Situation about excessively heating is caused to occur, so, the evaporator coil temperature of each indoor set that the present invention is provided according to comparing unit
With the comparative result of corresponding indoor environment temperature, opening for the corresponding electric expansion valve of each indoor set is adjusted by adjustment unit
Angle value, the electric expansion valve of the temperature change control indoor set so according to evaporator coil opens different opening values, not only
Indoor set is radiated in time, and efficiently avoid the occurrence of excessively heating, so as to improve the comfortable of user
Degree.
According to one embodiment of present invention, the comparing unit is specific includes：Computing unit, it is described every for calculating
The difference of the evaporator coil temperature of individual indoor set and the corresponding indoor environment temperature.
A device for dragging many air-conditionings excessively to heat is prevented according to an embodiment of the invention, and each is calculated by computing unit
The evaporator coil temperature of indoor set and the difference of corresponding indoor environment temperature, can aid in the journey for understanding heat accumulation
Degree, for the opening value for adjusting the corresponding electric expansion valve of each indoor set provides foundation.
According to one embodiment of present invention, also include：Initial setting up unit, according to the setting command for receiving, is set
And saved differences scope and opening value corresponding with the difference range.
According to one embodiment of present invention, the adjustment unit specifically for：According to storage the difference range and
Corresponding opening value, determines the target difference scope belonging to the difference, and determine the difference according to the target difference scope
It is worth corresponding target opening value, and the opening value of the electric expansion valve of the indoor set is adjusted to the target opening value.
A method for dragging many air-conditionings excessively to heat is prevented according to an embodiment of the invention, and user or manufacturer can be according to need
Evaporator coil temperature multiple difference ranges corresponding with indoor environment temperature of other indoor sets are set, and are different differences
Value scope sets different opening values, such as, set when evaporator coil temperature is 10 with the difference range of indoor environment temperature
DEG C~15 DEG C when, corresponding opening value be 10-20P, when difference range be more than 15 DEG C when, corresponding opening value be 0, so, when
The evaporator coil temperature of other indoor sets higher than indoor environment temperature more than 10 DEG C but when being less than 15 DEG C, by its indoor set pair
The electronic expansion valve opening answered is reduced to (10~20P), and preferential is reduced to 15P by aperture, when the evaporator of other indoor sets
Coil temperature higher than indoor environment temperature more than 15 DEG C when, the corresponding electronic expansion valve opening of other indoor sets is closed and (is opened
0) angle value is.So, difference range is set and the corresponding opening value of difference range causes that the regulation to opening value is more accurate,
Contribute to radiating in time, while it also avoid causing refrigerant hydrops because of too big to the regulating degree of opening value.
According to one embodiment of present invention, also include：Opening unit, any room in described other indoor sets are detected
When the opening value of the electric expansion valve of interior machine is reduced to zero, the wind guide strip of any indoor set is opened, and by the wind guide strip
Air outlet angle is adjusted to maximum.
A device for dragging many air-conditionings excessively to heat is prevented according to an embodiment of the invention, and opening wind guide strip can accelerate radiating
Speed, the air outlet angle of wind guide strip is adjusted to maximum so that air-conditioning can radiate to greatest extent, is effectively prevented from excessively system
Enthusiasm condition occurs.
By technical scheme, the electric expansion valve of the temperature change control indoor set according to evaporator coil is beaten
Different opening values are opened, while refrigerant proper flow is ensured so that air-conditioning can radiate to greatest extent, be effectively prevented from
Excessively heat situation generation.
Brief description of the drawings
Above-mentioned advantage of the invention will be apparent and be readily appreciated that from description of the accompanying drawings below to embodiment is combined, its
In：
Fig. 1 shows the exemplary flow for preventing a method for dragging many air-conditionings excessively to heat according to an embodiment of the invention
Figure；
Fig. 2 shows the schematic block diagram for preventing a device for dragging many air-conditionings excessively to heat according to an embodiment of the invention；
Fig. 3 shows the idiographic flow for preventing a method for dragging many air-conditionings excessively to heat according to an embodiment of the invention
Figure.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the exemplary flow for preventing a method for dragging many air-conditionings excessively to heat according to an embodiment of the invention
Figure.
As shown in figure 1, of the invention prevent a method for dragging many air-conditionings excessively to heat, its flow is as follows：
Step 102, any indoor set in dragging many air-conditionings when described in multiple indoor sets is received in a heating mode
During the instruction of temperature setting, the opening value of the corresponding electric expansion valve of other indoor sets in the multiple indoor set is set to pre-
If opening value；
Step 104, obtains the corresponding indoor environment temperature of each indoor set in described other indoor sets, and will it is described each
The evaporator coil temperature of indoor set is compared with the corresponding indoor environment temperature；
Step 106, the opening value of the corresponding electric expansion valve of each indoor set according to comparative result regulation.
In order to ensure refrigerant proper flow and not hydrops, it is necessary to which the corresponding electric expansion valve of each indoor set is opened into certain
Aperture, and changeless aperture can cause excessively situation about heating to occur, so, the present invention is drawn often by step 104
The evaporator coil temperature of individual indoor set and the comparative result of corresponding indoor environment temperature, each room is adjusted through step 106
The opening value of the corresponding electric expansion valve of interior machine, can so radiate in time, efficiently avoid the occurrence of excessively heating,
So as to improve the comfort level of user.
Wherein, step 104 is specifically included：Calculate the evaporator coil temperature of each indoor set and the corresponding room
The difference of interior environment temperature.By the difference of the corresponding indoor environment temperature of the evaporator coil temperature for calculating each indoor set
Value, can aid in the degree of the heat accumulation for understanding indoor set, to adjust opening for the corresponding electric expansion valve of each indoor set
Angle value provides foundation.
According to one embodiment of present invention, also include：According to the setting command for receiving, set and saved differences scope
And opening value corresponding with the difference range.
Specifically, according to the difference range and corresponding opening value of storage, the target difference model belonging to difference is determined
Enclose, and the corresponding target opening value of difference is determined according to target difference scope, and by the opening value of the electric expansion valve of indoor set
Adjust to target opening value.
User or manufacturer can be arranged as required to the evaporator coil temperature and indoor environment temperature pair of other indoor sets
The multiple difference ranges answered, and for different difference ranges sets different opening values, such as, evaporator coil temperature is worked as in setting
When difference range with indoor environment temperature is 10 DEG C~15 DEG C, corresponding opening value is 10-20P, when difference range is more than 15
DEG C when, corresponding opening value be 0, so, when other indoor sets evaporator coil temperature higher than indoor environment temperature more than 10
DEG C but when being less than 15 DEG C, the corresponding electronic expansion valve opening of its indoor set is reduced to (10~20P), preferential drops aperture
As little as 15P, when other indoor sets evaporator coil temperature higher than indoor environment temperature more than 15 DEG C when, by other indoor sets pair
The electronic expansion valve opening answered is closed (i.e. opening value is 0).So, difference range and the corresponding opening value of difference range are set
So that the regulation to opening value is more accurate, contribute to radiating in time, while it also avoid because to the regulating degree of opening value
Cause refrigerant hydrops greatly very much.
More specifically, the opening value of the electric expansion valve of any indoor set is reduced to zero in other indoor sets are detected
When, the wind guide strip of any indoor set is opened, and the air outlet angle of wind guide strip is adjusted to maximum.Wherein, opening wind guide strip can add
Fast radiating rate, the air outlet angle of wind guide strip is adjusted to maximum so that air-conditioning can radiate to greatest extent, be effectively prevented from
Excessively heat situation generation.
Fig. 2 shows the schematic block diagram for preventing a device for dragging many air-conditionings excessively to heat according to an embodiment of the invention.
As shown in Fig. 2 a device 200 for dragging many air-conditionings excessively to heat is prevented according to an embodiment of the invention, including：If
Unit 202 is put, any indoor set in dragging many air-conditionings when described in multiple indoor sets receives temperature and sets in a heating mode
During the instruction put, the opening value of the corresponding electric expansion valve of other indoor sets in the multiple indoor set is set to default aperture
Value；Comparing unit 204, obtains the corresponding indoor environment temperature of each indoor set in described other indoor sets, and will it is described each
The evaporator coil temperature of indoor set is compared with the corresponding indoor environment temperature；Adjustment unit 206, according to comparing knot
Fruit adjusts the opening value of the corresponding electric expansion valve of described each indoor set.
Evaporator coil temperature and the comparative result of corresponding indoor environment temperature according to each indoor set, adjust each
The opening value of the corresponding electric expansion valve of indoor set, so, can radiate in time, efficiently avoid the hair for excessively heating situation
It is raw, so as to improve the comfort level of user.
In the above-mentioned technical solutions, it is preferable that comparing unit 204 is specifically included：Computing unit 2042, calculates each indoor
The difference of the evaporator coil temperature of machine and the corresponding indoor environment temperature.
After heating mode unlatching, because the corresponding electric expansion valve of each indoor set opens certain aperture, heat meeting
More poly- more, therefore the evaporator coil temperature of each indoor set can rise, and described each room is calculated by computing unit
The evaporator coil temperature of interior machine and the difference of the corresponding indoor environment temperature, can aid in the journey for understanding heat accumulation
Degree, for the opening value for adjusting the corresponding electric expansion valve of each indoor set provides foundation.
In the above-mentioned technical solutions, it is preferable that also include：Initial setting up unit 208, for according to the setting life for receiving
Order, is set and saved differences scope and opening value corresponding with the difference range.
Wherein, adjustment unit 206 specifically for：According to the difference range and corresponding opening value of storage, the difference is determined
Target difference scope belonging to value, and the corresponding target opening value of the difference is determined according to the target difference scope, and will
The opening value of the electric expansion valve of the indoor set is adjusted to the target opening value.User or manufacturer can be arranged as required to
The evaporator coil temperature of other indoor sets multiple difference ranges corresponding with indoor environment temperature, and be different difference ranges
Different opening values are set, such as, are set when evaporator coil temperature is 10 DEG C~15 with the difference range of indoor environment temperature
DEG C when, corresponding opening value be 10-20P, when difference range be more than 15 DEG C when, corresponding opening value be 0, so, when other rooms
The evaporator coil temperature of interior machine higher than indoor environment temperature more than 10 DEG C but when being less than 15 DEG C, by the corresponding electricity of its indoor set
Sub- expansion valve opening is reduced to (10~20P), and preferential is reduced to 15P by aperture, when the evaporator coil temperature of other indoor sets
Degree higher than indoor environment temperature more than 15 DEG C when, the corresponding electronic expansion valve opening of other indoor sets closed (i.e. opening value is
0).So, difference range is set and the corresponding opening value of difference range causes that the regulation to opening value is more accurate, contribute to
Radiating in time, while it also avoid causing refrigerant hydrops because of too big to the regulating degree of opening value.
In the above-mentioned technical solutions, it is preferable that also include：Opening unit 210, appoints in described other indoor sets are detected
When the opening value of the electric expansion valve of one indoor set is reduced to zero, the wind guide strip of any indoor set is opened, and by the wind-guiding
The air outlet angle of bar is adjusted to maximum.Opening wind guide strip can accelerate radiating rate, and the air outlet angle of wind guide strip is adjusted to maximum,
Allow that air-conditioning radiates to greatest extent, be effectively prevented from excessively heating situation generation.
Technical scheme is described in detail with reference to Fig. 3.
As shown in figure 3, preventing the idiographic flow of a method for dragging many air-conditionings excessively to heat according to an embodiment of the invention
It is as follows：
Step 302, difference range, and the corresponding opening value of difference range are set by initial setting up unit 208.User
Or manufacturer can be arranged as required to evaporator coil temperature multiple differences corresponding with indoor environment temperature of other indoor sets
Scope, and for different difference ranges sets different opening values, such as, set when evaporator coil temperature and indoor environment temperature
When the difference range of degree is 10 DEG C~15 DEG C, corresponding opening value is 10-20P, corresponding to open when difference range is more than 15 DEG C
Angle value is 0.
Step 304, described one drags any indoor set in many air-conditionings in multiple indoor sets to receive temperature in a heating mode
Spend the instruction for setting；
Step 306, setting unit 202 sets the opening value of the corresponding electric expansion valve of other indoor sets in multiple indoor sets
It is set to default opening value.Preferably, the default opening value of the corresponding electric expansion valve of other indoor sets can be set to 20-
50, preferentially it is set to 30.
Step 308, comparing unit 204 obtains the corresponding indoor environment temperature of each indoor set in described other indoor sets；
Step 310, computing unit 2042 calculates the evaporator coil temperature and corresponding indoor environment temperature of each indoor set
The difference of degree；
Step 312, adjustment unit 206 is opened according to comparative result adjusts the corresponding electric expansion valve of each indoor set
Angle value.Difference range and corresponding opening value according to setting carry out the aperture regulation of electric expansion valve, i.e., when other indoor sets
Evaporator coil temperature higher than indoor environment temperature more than 10 DEG C but when being less than 15 DEG C, the corresponding electronics of its indoor set is swollen
Swollen valve opening is reduced to (10~20P), and preferential is reduced to 15P by aperture, when the evaporator coil temperature of other indoor sets is high
When indoor environment temperature is more than 15 DEG C, the corresponding electronic expansion valve opening of other indoor sets is closed (i.e. opening value is 0).This
Sample, sets difference range and the corresponding opening value of difference range causes that the regulation to opening value is more accurate, contributes in time
Radiating, while it also avoid causing refrigerant hydrops because of too big to the regulating degree of opening value.
Step 314, the opening value of the electric expansion valve of any indoor set is reduced to zero in described other indoor sets are detected
When, opening unit 210 opens the wind guide strip of any indoor set, and the air outlet angle of the wind guide strip is adjusted to maximum.
In addition, when a more than indoor set receives the instruction of temperature setting in a heating mode simultaneously, such as, and A, B
Indoor set receives the instruction of temperature setting, and the opening value of corresponding electric expansion valve in other indoor sets C, D etc. is set to
20-50P, is preferentially set to 30P, and calculate the evaporator coil temperature and corresponding indoor environment temperature of the indoor sets such as C, D
The difference of degree；When the indoor sets such as C, D evaporator coil temperature higher than indoor environment temperature more than 10 DEG C but when being less than 15 DEG C,
The corresponding electronic expansion valve opening of the indoor sets such as C, D is reduced to (10~20P), preferential is reduced to 15P by aperture, as C, D
Deng indoor set evaporator coil temperature higher than indoor environment temperature more than 15 DEG C when, the corresponding electronics of the indoor sets such as C, D is swollen
Swollen valve opening is closed (i.e. opening value is 0).So contribute to radiating in time, while it also avoid because to the regulation journey of opening value
Degree causes refrigerant hydrops very much greatly.When detecting the opening value of electric expansion valve of the indoor sets such as C, D and being reduced to zero, C, D are opened
Deng indoor set wind guide strip air outlet angle to maximum.
By technical scheme, the electric expansion valve of the temperature change control indoor set according to evaporator coil is beaten
Different opening values are opened, while refrigerant proper flow is ensured so that air-conditioning can radiate to greatest extent, makes the indoor set can
To radiate in time, the occurrence of excessively heating is efficiently avoid, so as to improve the comfort level of user.
Embodiments of the invention are the foregoing is only, is not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made,
Equivalent, improvement etc., should be included within the scope of the present invention.
Claims (4)
1. it is a kind of to prevent a method for dragging many air-conditionings excessively to heat, it is characterised in that including：
Setting steps, any indoor set in dragging many air-conditionings when described in multiple indoor sets receives temperature in a heating mode
During the instruction of setting, the opening value of the corresponding electric expansion valve of other indoor sets in the multiple indoor set is set to default opening
Angle value；
Comparison step, obtains the corresponding indoor environment temperature of each indoor set in described other indoor sets, and will described each room
The evaporator coil temperature of interior machine is compared with the corresponding indoor environment temperature；
Regulating step, the opening value of the corresponding electric expansion valve of each indoor set according to comparative result regulation；
Wherein, the comparison step is specifically included：
Calculate the evaporator coil temperature of each indoor set and the difference of the corresponding indoor environment temperature；
It is described to prevent a method for dragging many air-conditionings excessively to heat, also include：
Initial setup procedure, according to the setting command for receiving, set and saved differences scope and with the difference range pair
The opening value answered；
The regulating step is specifically included：
According to the difference range and corresponding opening value of storage, the target difference scope belonging to the difference, and root are determined
Determine the corresponding target opening value of the difference, and opening the electric expansion valve of the indoor set according to the target difference scope
Angle value is adjusted to the target opening value.
2. it is according to claim 1 to prevent a method for dragging many air-conditionings excessively to heat, it is characterised in that also to include：
Step is opened, when the opening value of the electric expansion valve of any indoor set in detecting described other indoor sets is reduced to zero,
The wind guide strip of any indoor set is opened, and the air outlet angle of the wind guide strip is adjusted to maximum.
3. it is a kind of to prevent a device for dragging many air-conditionings excessively to heat, it is characterised in that including：
Setting unit, any indoor set in dragging many air-conditionings when described in multiple indoor sets receives temperature in a heating mode
During the instruction of setting, the opening value of the corresponding electric expansion valve of other indoor sets in the multiple indoor set is set to default opening
Angle value；
Comparing unit, obtains the corresponding indoor environment temperature of each indoor set in described other indoor sets, and will described each room
The evaporator coil temperature of interior machine is compared with the corresponding indoor environment temperature；
Adjustment unit, the opening value of the corresponding electric expansion valve of each indoor set according to comparative result regulation；
Wherein, the comparing unit is specifically included：
Computing unit, calculates the evaporator coil temperature of each indoor set and the difference of the corresponding indoor environment temperature
Value；
It is described to prevent a device for dragging many air-conditionings excessively to heat, also include：
Initial setting up unit, according to the setting command for receiving, set and saved differences scope and with the difference range pair
The opening value answered；
The adjustment unit is specifically included：
According to the difference range and corresponding opening value of storage, the target difference scope belonging to the difference, and root are determined
Determine the corresponding target opening value of the difference, and opening the electric expansion valve of the indoor set according to the target difference scope
Angle value is adjusted to the target opening value.
4. it is according to claim 3 to prevent a device for dragging many air-conditionings excessively to heat, it is characterised in that also to include：
Opening unit, when the opening value of the electric expansion valve of any indoor set in detecting described other indoor sets is reduced to zero,
The wind guide strip of any indoor set is opened, and the air outlet angle of the wind guide strip is adjusted to maximum.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410193889.XA CN103982988B (en) | 2014-05-08 | 2014-05-08 | Prevent a method and device for dragging many air-conditionings excessively to heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410193889.XA CN103982988B (en) | 2014-05-08 | 2014-05-08 | Prevent a method and device for dragging many air-conditionings excessively to heat |
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| CN103982988A CN103982988A (en) | 2014-08-13 |
| CN103982988B true CN103982988B (en) | 2017-06-09 |
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| CN109442690B (en) * | 2018-10-29 | 2020-05-19 | 珠海格力电器股份有限公司 | Air conditioner control method and device, storage medium and air conditioner |
| CN109945434B (en) * | 2019-03-20 | 2020-05-05 | 珠海格力电器股份有限公司 | Air conditioner control method and device and air conditioner |
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| JP3322464B2 (en) * | 1993-11-24 | 2002-09-09 | 三洋電機株式会社 | Air conditioner |
| CN101539322B (en) * | 2009-03-31 | 2011-06-01 | 宁波奥克斯电气有限公司 | Method for controlling electronic expansion valve of heating standby indoor unit |
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| CN103206750A (en) * | 2013-04-12 | 2013-07-17 | 浙江大学 | Multi-split air conditioning system and status switching control method therefor |
| CN103512152B (en) * | 2013-05-31 | 2016-01-06 | 广东美芝精密制造有限公司 | The control method of air-conditioning system and the coolant quantity for it |
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