CN107940680B - The mode switching method of air-conditioning system and air-conditioning system - Google Patents
The mode switching method of air-conditioning system and air-conditioning system Download PDFInfo
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- CN107940680B CN107940680B CN201711080496.8A CN201711080496A CN107940680B CN 107940680 B CN107940680 B CN 107940680B CN 201711080496 A CN201711080496 A CN 201711080496A CN 107940680 B CN107940680 B CN 107940680B
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Abstract
The invention discloses the mode switching method of a kind of air-conditioning system and air-conditioning system, air-conditioning system includes the indoor unit and line control machine communicated, and the line control machine receives the switching command of user；The line control machine obtains the set temperature of the present mode when determining the switching command is to switch to automatic mode from present mode；The line control machine obtains the return air temperature of the air-conditioning system；The line control machine obtains the refrigeration setting temperature and heating setting temperature of the automatic mode according to the set temperature and the return air temperature of the present mode, and the refrigeration of automatic mode setting temperature and heating setting temperature are sent to the indoor unit；Temperature is arranged according to the refrigeration of the automatic mode for the indoor unit and heating setting temperature carries out pattern switching control.So as to double setting node temperatures of the operational mode setting automatic mode before, indoor unit frequent switching operational mode due to user operation time difference is prevented.
Description
Technical field
The present invention relates to air conditioner technical field, in particular to a kind of air-conditioning system and a kind of mode of air-conditioning system are cut
Change method.
Background technique
In the related technology, heat-reclamation multi-compressors system can realize simultaneously refrigeration and heating in a set of coolant system.Heat is returned
Receiving multi-line system has automatic mode, and in automatic mode, indoor unit (freezes according to double setting node temperatures of automatic mode
Temperature and heating setting temperature are set) realization is freezed and the automatic switchover of heating mode.
But the relevant technologies the problem is that, usual automatic mode presets a double setting node temperature, but this
Sample line control machine when switching to automatic mode can directly transmit operational order, and to indoor unit, (i.e. automatic mode switches give birth to immediately for the first time
Effect), and if double setting node temperatures are adjusted in user at this time, in operation between under the influence of difference, will cause indoor unit and exist
Multiple pattern switching is carried out in short time, influences the comfort of user.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of air-conditioning system, can prevent indoor unit frequent switching operation mould due to user operation time difference
Formula.
It is another object of the present invention to the mode switching methods for proposing a kind of air-conditioning system.
In order to achieve the above objectives, a kind of air-conditioning system that one aspect of the present invention embodiment proposes, the air-conditioning system include
Indoor unit and line control machine, the indoor unit are communicated with the line control machine, wherein the switching that the line control machine receives user refers to
It enables；The line control machine obtains the present mode when determining the switching command is to switch to automatic mode from present mode
Set temperature；The line control machine also obtains the return air temperature of the air-conditioning system；The line control machine is according to the present mode
Set temperature and the return air temperature obtain the refrigeration setting temperature and heating setting temperature of the automatic mode, and will be described
The refrigeration setting temperature and heating setting temperature of automatic mode are sent to the indoor unit；The indoor unit is according to the automatic mold
The refrigeration setting temperature and heating setting temperature of formula carry out pattern switching control.
The air-conditioning system proposed according to embodiments of the present invention, line control machine receive the switching command of user, and line control machine is in determination
When switching command switches to automatic mode from present mode, the set temperature of present mode, also time of acquisition air-conditioning system are obtained
Then air temperature obtains the refrigeration setting temperature of automatic mode according to the set temperature of present mode and return air temperature and heating is set
Temperature is set, and the refrigeration of automatic mode setting temperature and heating setting temperature are sent to indoor unit, indoor unit is according to automatic mold
The refrigeration setting temperature and heating setting temperature of formula carry out pattern switching control.The air-conditioning system energy of the embodiment of the present invention as a result,
Double setting node temperatures of automatic mode are enough set by present mode of operation, so that having the setting temperature on line control machine can
Retrospective, can be before the complete double setting node temperatures of user setting, it is ensured that indoor unit still keep before operational mode, prevent
Indoor unit frequent switching operational mode due to user operation time difference, and then prevent indoor unit frequent switching from causing system unnecessary
Fluctuation.
According to one embodiment of present invention, when the present mode is refrigeration mode, the line control machine can be also used to:
Judge whether the set temperature of the refrigeration mode is less than the return air temperature；If the set temperature of the refrigeration mode is less than
Then temperature is arranged in the refrigeration that the set temperature of the refrigeration mode is set as the automatic mode by the return air temperature, and will
The set temperature of the refrigeration mode and the difference of first threshold are set as the heating setting temperature of the automatic mode；If institute
The set temperature for stating refrigeration mode is more than or equal to the return air temperature, then sets described for the set temperature of the refrigeration mode
Temperature is arranged in the refrigeration of automatic mode, and sets the difference of the return air temperature and second threshold to the system of the automatic mode
Heat setting temperature.
According to one embodiment of present invention, when the present mode is heating mode, the line control machine can be also used to:
Judge whether the set temperature of the heating mode is greater than the return air temperature；If the set temperature of the heating mode is greater than
Then temperature is arranged in the heating that the set temperature of the heating mode is set as the automatic mode by the return air temperature, and will
The sum of set temperature and third threshold value of the heating mode are set as the refrigeration setting temperature of the automatic mode；If described
The set temperature of heating mode is less than or equal to the return air temperature, then by the set temperature of the heating mode be set as it is described from
Temperature is arranged in the heating of dynamic model formula, and the refrigeration that the sum of the return air temperature and the 4th threshold value are set as the automatic mode is set
Set temperature.
According to one embodiment of present invention, when the present mode is air supply pattern, the line control machine can be also used to:
Temperature is arranged in the refrigeration that the sum of the return air temperature and the 5th threshold value are set as the automatic mode, and by the return air temperature
And the difference of the 5th threshold value is set as the heating setting temperature of the automatic mode.
According to one embodiment of present invention, the line control machine can be also used to: determine that the switching command is from automatic
It is institute by the refrigeration setting temperature setting of the automatic mode when pattern switching is refrigeration mode or dehumidification mode or air supply pattern
State the setting temperature of refrigeration mode or dehumidification mode or air supply pattern；Determining that the switching command is to be from automatic pattern switching
It is the setting temperature of the heating mode by the heating setting temperature setting of the automatic mode when heating mode.
In order to achieve the above objectives, a kind of mode switching method for air-conditioning system that another aspect of the present invention embodiment proposes,
The following steps are included: receiving the switching command of user by the line control machine of the air-conditioning system；Determining that the switching command is
When switching to automatic mode from present mode, the set temperature of the present mode is obtained；Obtain the return air of the air-conditioning system
Temperature；According to the set temperature of the present mode and the return air temperature obtain the automatic mode refrigeration setting temperature and
Heating setting temperature, wherein temperature is arranged according to the refrigeration of the automatic mode for the indoor unit of the air-conditioning system and heating is set
It sets temperature and carries out pattern switching control.
The mode switching method of air-conditioning system according to an embodiment of the present invention receives user by the line control machine of air-conditioning system
Switching command, determine switching command be switch to automatic mode from present mode when, obtain the set temperature of present mode,
And the return air temperature of air-conditioning system is obtained, the system of automatic mode is then obtained according to the set temperature of present mode and return air temperature
Cold setting temperature and heating setting temperature, wherein temperature and system is arranged according to the refrigeration of automatic mode in the indoor unit of air-conditioning system
Heat setting temperature carries out pattern switching control.The mode switching method of the embodiment of the present invention can be by currently running mould as a result,
Double setting node temperatures of automatic mode are arranged in formula, to make setting temperature on line control machine with trackability, can with
Before family sets up double setting node temperatures, it is ensured that indoor unit still keeps before operational mode, prevent indoor unit because of user behaviour
Make the time difference and frequent switching operational mode, and then prevents indoor unit frequent switching from causing the unnecessary fluctuation of system.
According to one embodiment of present invention, described according to the current mould when the present mode is refrigeration mode
The set temperature of formula and the return air temperature obtain the refrigeration setting temperature and heating setting temperature of the automatic mode, can wrap
It includes: judging whether the set temperature of the refrigeration mode is less than the return air temperature；If the set temperature of the refrigeration mode
Less than the return air temperature, then temperature is arranged in the refrigeration that the set temperature of the refrigeration mode is set as the automatic mode,
And temperature is arranged in the heating that the difference of the set temperature of the refrigeration mode and first threshold is set as the automatic mode；Such as
The set temperature of refrigeration mode described in fruit is more than or equal to the return air temperature, then sets the set temperature of the refrigeration mode to
Temperature is arranged in the refrigeration of the automatic mode, and sets the automatic mode for the difference of the return air temperature and second threshold
Heating be arranged temperature.
According to one embodiment of present invention, described according to the current mould when the present mode is heating mode
The set temperature of formula and the return air temperature obtain the refrigeration setting temperature and heating setting temperature of the automatic mode, can wrap
It includes: judging whether the set temperature of the heating mode is greater than the return air temperature；If the set temperature of the heating mode
Greater than the return air temperature, then temperature is arranged in the heating that the set temperature of the heating mode is set as the automatic mode,
And temperature is arranged in the refrigeration that the sum of the set temperature of the heating mode and third threshold value are set as the automatic mode；If
The set temperature of the heating mode is less than or equal to the return air temperature, then sets institute for the set temperature of the heating mode
The heating setting temperature of automatic mode is stated, and sets the sum of the return air temperature and the 4th threshold value to the system of the automatic mode
Cold setting temperature.
According to one embodiment of present invention, described according to the current mould when the present mode is air supply pattern
The set temperature of formula and the return air temperature obtain the refrigeration setting temperature and heating setting temperature of the automatic mode, can wrap
It includes: temperature is arranged in the refrigeration that the sum of the return air temperature and the 5th threshold value are set as the automatic mode, and by the return air
The difference of temperature and the 5th threshold value is set as the heating setting temperature of the automatic mode.
According to one embodiment of present invention, the mode switching method of air-conditioning system can further include: when determining the switching
When instruction is is refrigeration mode or dehumidification mode or air supply pattern from automatic pattern switching, the refrigeration of the automatic mode is arranged
Temperature setting is the setting temperature of the refrigeration mode or dehumidification mode or air supply pattern；When determine the switching command be from from
It is the setting temperature of the heating mode by the heating setting temperature setting of the automatic mode when dynamic model formula is switched to heating mode
Degree.
Detailed description of the invention
Fig. 1 is the block diagram according to the air-conditioning system of the embodiment of the present invention；
Fig. 2 is the control principle drawing according to the air-conditioning system automatic mode of one embodiment of the invention；
Fig. 3 is the interface schematic diagram according to the air-conditioning system line control machine of one embodiment of the invention；
Fig. 4 is the flow chart according to the mode switching method of the air-conditioning system of the embodiment of the present invention；
Fig. 5 is the flow chart according to the mode switching method of the air-conditioning system of one embodiment of the invention；And
Fig. 6 is the flow chart according to the mode switching method of the air-conditioning system of another embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the air-conditioning system of the embodiment of the present invention and the mode switching method of air-conditioning system described.
Fig. 1 is the block diagram according to the air-conditioning system of the embodiment of the present invention.As shown in Figure 1, air-conditioning system 100 includes
Indoor unit 10 and line control machine 20, indoor unit 10 are communicated with line control machine 20.Wherein, indoor unit 10 can be one or more.
Wherein, line control machine 20 receives the switching command of user, and line control machine 20 is determining switching command for present mode switching
When to automatic mode, the set temperature of present mode is obtained；Line control machine 20 also obtains the return air temperature of air-conditioning system；Line control machine 20
The refrigeration setting temperature and heating setting temperature of automatic mode are obtained according to the set temperature of present mode and return air temperature, and will
The refrigeration setting temperature and heating setting temperature of automatic mode are sent to indoor unit 10, wherein line control machine 20 can be existed by setting
The temperature sensor of 10 return air inlet of indoor unit detects return air temperature, or can be by the temperature sensor that is arranged on line control machine 20
Room temperature is detected to obtain return air temperature, specifically, user may be selected to pass by the temperature that 10 return air inlet of machine indoors is arranged
Sensor detects return air temperature, or the temperature sensor being alternatively positioned on line control machine 20 detects room temperature and obtains return air temperature
Degree, wherein default using the temperature sensor detection room temperature on line control machine 20 and obtains return air when air-conditioning system 100 is dispatched from the factory
Temperature；Temperature is arranged according to the refrigeration of automatic mode for indoor unit 10 and heating setting temperature controls air-conditioning system operation.
It should be noted that air-conditioning system 100 can have refrigeration mode, heating mode, dehumidification mode, air supply pattern and from
Dynamic model formula etc., user can carry out the switching of various modes, the mould for example, user can will freeze by line control machine 20 by line control machine 20
Formula or dehumidification mode or air supply pattern are switched to automatic mode, and heating mode can also be switched to automatic mode, can also will be automatic
Pattern switching is refrigeration mode or dehumidification mode or air supply pattern or heating mode.
Specifically, passing through double settings of automatic mode as shown in Fig. 2, automatic mode can have double setting node temperatures
Node temperature can control indoor unit 10, wherein double setting node temperatures may include that refrigeration setting temperature Tc and heating are set
Set temperature Th, refrigeration setting temperature Tc is that automatic mode freezes standby temperature, refrigeration setting temperature Tc and preset temperature Δ T1 it
With for automatic mode freeze turn-on temperature, i.e., when room temperature drop to refrigeration setting temperature Tc when, indoor unit 10 enter refrigeration
Standby mode, so that room temperature is maintained at refrigeration setting temperature Tc, when room temperature rises to refrigeration setting temperature Tc and pre-
If when the sum of temperature Δ T1, the refrigeration booting of indoor unit 10 carries out refrigerating operaton, so that room temperature reaches refrigeration setting temperature
Tc；It is automatic mode heating standby temperature that temperature Th, which is arranged, in heating, and the difference of heating setting temperature Th and preset temperature Δ T3 is certainly
Dynamic model formula heats turn-on temperature, i.e., when room temperature rises to heating setting temperature Th, indoor unit 10 enters heating standby shape
State, so that room temperature is maintained at heating setting temperature Th, when room temperature drops to heating setting temperature Tc and preset temperature
When the difference of Δ T3, the heating booting of indoor unit 10 carries out heating operation, so that room temperature reaches heating setting temperature Th.
That is, line control machine 20 after receiving the switching command of user, first judges whether switching command is from working as
Premode switches to automatic mode, if it is, obtaining the set temperature of present mode, and obtains the return air of air-conditioning system 100
Temperature T1；Temperature Tc is arranged according to the refrigeration that the set temperature and return air temperature T1 of present mode obtain automatic mode in line control machine 20
Temperature Th is set with heating, and the refrigeration of automatic mode setting temperature Tc and heating setting temperature Th are sent to indoor unit 10,
Temperature Tc is arranged according to the refrigeration of automatic mode for indoor unit 10 and heating setting temperature Th carries out pattern switching control.
According to one embodiment of present invention, when present mode is refrigeration mode, line control machine 20 is also used to: judgement refrigeration
Whether the set temperature Tc0 of mode is less than return air temperature T1；If the set temperature Tc0 of refrigeration mode is less than return air temperature T1,
Temperature Tc then is arranged in the set temperature Tc0 of the refrigeration mode refrigeration for being set as automatic mode, and by the setting temperature of refrigeration mode
The difference of degree Tc0 and first threshold A is set as the heating setting temperature Th of automatic mode；If the set temperature of refrigeration mode
Tc0 is more than or equal to return air temperature T1, then temperature is arranged in the set temperature Tc0 of the refrigeration mode refrigeration for being set as automatic mode
Tc, and temperature Th is arranged in the heating that the difference of return air temperature T1 and second threshold B is set as automatic mode.
That is, line control machine 20 receives the automatic pattern switching instruction of user, if present mode is refrigeration mode,
Automatic mode then is switched to from refrigeration mode, line control machine 20 judges whether the set temperature Tc0 of refrigeration mode is less than return air temperature
T1 illustrates that the current state of indoor unit 10 is if the set temperature Tc0 of refrigeration mode is less than return air temperature T1, i.e. Tc0 < T1
Refrigeration booting, then temperature Tc, i.e. Tc is arranged in the set temperature Tc0 of the refrigeration mode refrigeration for being set as automatic mode by line control machine 20
=Tc0, so that the operational mode of indoor unit 10 is able to maintain as refrigeration mode, and by the set temperature Tc0 of refrigeration mode and
The difference of one threshold value A is set as heating setting temperature Th, the i.e. Th=Tc0-A of automatic mode, so that indoor unit 10 can be with system
Cold mode operation for a period of time, and then avoids running mode switching before the complete double setting node temperatures of user setting；If freezing mould
The set temperature Tc0 of formula is more than or equal to return air temperature, i.e. Tc0 >=T1, it is standby to freeze to illustrate the current state of indoor unit 10, then
Temperature Tc, i.e. Tc=Tc0 is arranged in the set temperature Tc0 of the refrigeration mode refrigeration for being set as automatic mode by line control machine 20, so that
Indoor unit 10 continues to keep refrigeration standby mode, and sets automatic mode for the difference of return air temperature T1 and second threshold B
Heating setting temperature Th, i.e. Th=T1-B, so that indoor unit 10 is able to maintain that refrigeration standby a period of time, and then avoid user from setting
Double system running mode switchings before node temperatures are set are set.Wherein, first threshold A and second threshold B can preset in advance it is online
It controls in device 20, first threshold A and second threshold B can be arbitrary integer in 3-5.In other words, when present mode is refrigeration mode
When, when user's manipulation line control machine 20 switches to automatic mode, the refrigeration setting temperature Tc of automatic mode and current refrigeration mode
Set temperature Tc0 be consistent, and heat set temperature Tc0 that setting temperature Th is return air temperature T1 or refrigeration mode and pre-
If the difference of threshold value, specifically, when first threshold A is identical with second threshold B and be X when, heating setting temperature Th can be Min
(Tc0, T1)-X, to guarantee before the complete double setting node temperatures of user setting, indoor unit still keep before operational mode,
Such as refrigeration is switched on or freezes standby.
According to one embodiment of present invention, when present mode be dehumidification mode when, the control method of line control machine 20 with work as
Premode is identical when being refrigeration mode.
According to one embodiment of present invention, when present mode is heating mode, line control machine 20 is also used to: judgement heating
Whether the set temperature Th0 of mode is greater than return air temperature T1；If the set temperature Th0 of heating mode is greater than return air temperature T1,
Temperature Th then is arranged in the set temperature Th0 of the heating mode heating for being set as automatic mode, and by the setting temperature of heating mode
Degree the sum of Th0 and third threshold value C are set as the refrigeration setting temperature Tc of automatic mode；If the set temperature Th0 of heating mode
Less than or equal to return air temperature T1, then temperature Th is arranged in the set temperature Th0 of the heating mode heating for being set as automatic mode, and
Temperature Tc is arranged in the sum of return air temperature T1 and the 4th threshold value the D refrigeration for being set as automatic mode.
That is, line control machine 20 receives the automatic pattern switching instruction of user, if present mode is heating mode,
Automatic mode then is switched to from heating mode, line control machine 20 judges whether the set temperature Th0 of heating mode is greater than return air temperature
T1；If the set temperature Th0 of heating mode is greater than return air temperature T1, i.e. Th0 > T1, illustrate that the current state of indoor unit 10 is
Heating booting, then line control machine 20 sets the set temperature Th0 of heating mode to heating the temperature Th, i.e. Th=of automatic mode
Th0, so that the operational mode of indoor unit 10 is able to maintain as heating mode, and by the set temperature Th0 and third of heating mode
The sum of threshold value C is set as refrigeration setting temperature Tc, the i.e. Tc=Th0+C of automatic mode, so that indoor unit 10 can be to heat mould
Formula operation a period of time, and then avoid running mode switching before the complete double setting node temperatures of user setting；If heating mode
Set temperature Th0 is less than or equal to return air temperature T1, i.e. Th0≤T1, illustrates that the current state of indoor unit 10 is heating standby, then line
Temperature Th is arranged in the set temperature Th0 of the heating mode heating for being set as automatic mode by control device 20, so that indoor unit 10 continues
Heating standby state, i.e. Th=Th0 are kept, and sets the sum of return air temperature T1 and the 4th threshold value D to the refrigeration of automatic mode
Temperature Tc, i.e. Tc=T1+D are set, so that indoor unit 10 can run a period of time with heating mode, and then avoid user setting
System running mode switching before complete double setting node temperatures.Wherein, third threshold value C and the 4th threshold value D can preset in advance in line traffic control
In device 20, wherein third threshold value C and the 4th threshold value D can be the integer of 3-5.
In other words, when present mode is heating mode, when user's manipulation line control machine 20 switches to automatic mode, automatic mold
The heating setting temperature Th and set temperature Th0 of current heating mode of formula is consistent, and the setting temperature Tc that freezes is back
The sum of the set temperature Th0 and preset threshold of air temperature T1 or heating mode, specifically, as third threshold value C and the 4th threshold value D phase
With and when being Y, refrigeration setting temperature Tc can be Max (Th0, T1)+Y, to guarantee in the complete double setting node temperatures of user setting
Before, indoor unit still keep before operational mode, such as heating booting and heating standby.
According to one embodiment of present invention, when present mode is air supply pattern, line control machine 20 is also used to: by return air temperature
Degree the sum of T1 and the 5th threshold value E are set as refrigeration setting temperature Tc, the i.e. Tc=T1+E of automatic mode, and by return air temperature T1 and
The difference of 5th threshold value E is set as heating setting the temperature Th, i.e. Th=T1-E of automatic mode.
That is, making the operational mode of indoor unit 10 enter heating standby when switching to automatic mode from air supply pattern
Mode or refrigeration standby mode, return air temperature T1 temperature, which is increased to enter refrigeration when the sum of return air temperature T1 and the 5th threshold value E, to be opened
Machine or return air temperature T1 enter heating booting when being reduced to the difference of return air temperature T1 and the 5th threshold value E, and then make in user setting
Before complete double setting node temperatures, indoor unit keeps standby mode, wherein the 5th threshold value E can be 2.
According to one embodiment of present invention, line control machine 20 is also used to: determining that switching command is from automatic pattern switching
When for refrigeration mode or dehumidification mode or air supply pattern, refrigeration mode is set by the refrigeration setting temperature Tc of automatic mode or is removed
The setting temperature Tc0 of wet model or air supply pattern；It, will be certainly when determining switching command to be heating mode from automatic pattern switching
The heating setting temperature Th of dynamic model formula is set as the setting temperature Th0 of heating mode.
That is, when switching command is is refrigeration mode or dehumidification mode or air supply pattern from automatic pattern switching,
Set the refrigeration setting temperature Tc of automatic mode to the setting temperature Tc0 of refrigeration mode or dehumidification mode or air supply pattern, with
Make the operation operational mode of indoor unit 10 in the setting temperature of user setting complete new refrigeration mode or dehumidification mode or air supply pattern
Refrigeration booting or refrigeration standby mode are kept before spending Tc0；It similarly, is to heat mould from automatic pattern switching determining that switching command is
When formula, the heating setting temperature Th of automatic mode is set to the setting temperature Th0 of heating mode, so that the operation of indoor unit 10
Operational mode keeps heating booting or heating standby state before the complete new heating mode setting temperature Th0 of user setting.
A specific embodiment according to the present invention, user can be carried out by 20 operation and control interface of line control machine as shown in Figure 3
Switching between various modes.For example, line control machine 20 receives oneself of user when automatic keying in user's touch control operation interface
Dynamic model formula switching command, indoor unit 10 switches to automatic mode from present mode, and temperature is arranged according to heating in indoor unit 10
Th and refrigeration setting temperature Tc are freezed or are heated.
In conclusion the air-conditioning system proposed according to embodiments of the present invention, line control machine receives the switching command of user, line traffic control
Device obtains the set temperature of present mode when determining that switching command switches to automatic mode from present mode, also acquisition air-conditioning
Then temperature is arranged according to the refrigeration that the set temperature of present mode and return air temperature obtain automatic mode in the return air temperature of system
Temperature is set with heating, and the refrigeration of automatic mode setting temperature and heating setting temperature are sent to indoor unit, indoor unit root
Pattern switching control is carried out according to the refrigeration setting temperature and heating setting temperature of automatic mode.The sky of the embodiment of the present invention as a result,
Double setting node temperatures of automatic mode can be arranged in adjusting system by present mode of operation, to make the setting temperature on line control machine
Degree has trackability, can be before the complete double setting node temperatures of user setting, it is ensured that indoor unit still keep before operation
Mode prevents indoor unit frequent switching operational mode due to user operation time difference, and then prevents indoor unit frequent switching from causing
The unnecessary fluctuation of system.
Fig. 4 is the flow chart according to the mode switching method of the air-conditioning system of the embodiment of the present invention.As shown in figure 4, this hair
The mode switching method of the air-conditioning system of bright embodiment, comprising the following steps:
S1: the switching command of user is received by the line control machine of air-conditioning system.
S2: when determining switching command is to switch to automatic mode from present mode, the set temperature of present mode is obtained.
S3: the return air temperature T1 of air-conditioning system is obtained.It wherein, can be by the way that the temperature sensing of 10 return air inlet of machine indoors be arranged
Device detects return air temperature.
S4: the refrigeration setting temperature Tc and system of automatic mode are obtained according to the set temperature of present mode and return air temperature T1
Heat setting temperature Th, wherein temperature Tc and heating setting temperature is arranged according to the refrigeration of automatic mode in the indoor unit of air-conditioning system
Th carries out pattern switching control.
It should be noted that air-conditioning system can have refrigeration mode, heating mode, dehumidification mode, air supply pattern and automatic
Mode etc., user can carry out the switching of various modes by line control machine, for example, user by refrigeration mode or can be removed by line control machine
Wet model or air supply pattern are switched to automatic mode, and heating mode can also be switched to automatic mode, can also cut automatic mode
It is changed to refrigeration mode or dehumidification mode or air supply pattern or heating mode.
Specifically, passing through double settings of automatic mode as shown in Fig. 2, automatic mode can have double setting node temperatures
Node temperature can control indoor unit, wherein double setting node temperatures may include refrigeration setting temperature Tc and heating setting
Temperature Th, refrigeration setting temperature Tc are automatic mode refrigeration standby temperature, refrigeration setting the sum of temperature Tc and preset temperature Δ T1
For automatic mode refrigeration turn-on temperature, i.e., when room temperature drops to refrigeration setting temperature Tc, it is standby that indoor unit enters refrigeration
State, so that room temperature is maintained at refrigeration setting temperature Tc, when room temperature rises to refrigeration setting temperature Tc and default temperature
When spending the sum of Δ T1, indoor mechanism cold booting carries out refrigerating operaton, so that room temperature reaches refrigeration setting temperature Tc；Heating
Setting temperature Th is automatic mode heating standby temperature, and the difference of heating setting temperature Th and preset temperature Δ T3 is automatic mode system
Hot turn-on temperature, i.e., when room temperature rises to heating setting temperature Th, indoor unit enters heating standby state, so that indoor
Temperature is maintained at heating setting temperature Th, when room temperature drops to the difference of heating setting temperature Th and preset temperature Δ T3,
Indoor unit heating booting, carries out heating operation, so that room temperature reaches heating setting temperature Th.
That is, line control machine after receiving the switching command of user, first judges whether switching command is from current
Pattern switching if it is, obtaining the set temperature of present mode, and obtains the return air temperature of air-conditioning system to automatic mode
T1；The refrigeration setting temperature Tc and heating setting temperature of automatic mode are obtained according to the set temperature of present mode and return air temperature T1
Th is spent, and the refrigeration of automatic mode setting temperature Tc and heating setting temperature Th are sent to indoor unit, indoor unit is according to automatic
The refrigeration setting temperature Tc and heating setting temperature Th of mode carry out pattern switching control.
According to one embodiment of present invention, as shown in figure 5, when present mode is refrigeration mode, according to present mode
Set temperature and return air temperature T1 obtain automatic mode refrigeration setting temperature Tc and heating setting temperature Th, comprising:
S101: judge whether the set temperature Tc0 of refrigeration mode is less than return air temperature T1.
S102: if the set temperature Tc0 of refrigeration mode is less than return air temperature T1, by the set temperature of refrigeration mode
Tc0 is set as the refrigeration setting temperature Tc of automatic mode, and by the difference of the set temperature Tc0 of refrigeration mode and first threshold A
Tc0-A is set as the heating setting temperature Th of automatic mode.
S103: if the set temperature Tc0 of refrigeration mode is more than or equal to return air temperature T1, by the setting temperature of refrigeration mode
Degree Tc0 is set as the refrigeration setting temperature Tc of automatic mode, and sets the difference T1-B of return air temperature T1 and second threshold B to
Temperature Th is arranged in the heating of automatic mode.
That is, line control machine receives the automatic pattern switching instruction of user, if present mode is refrigeration mode,
Automatic mode is switched to from refrigeration mode, judges whether the set temperature Tc0 of refrigeration mode is less than return air temperature T1, if refrigeration
The set temperature Tc0 of mode is less than return air temperature T1, i.e. Tc0 < T1, illustrates that the current state of indoor unit for refrigeration booting, then will
The set temperature Tc0 of refrigeration mode is set as refrigeration setting temperature Tc, the i.e. Tc=Tc0 of automatic mode, so that the fortune of indoor unit
Row mode is able to maintain as refrigeration mode, and sets automatic for the difference of the set temperature Tc0 of refrigeration mode and first threshold A
Temperature Th, i.e. Th=Tc0-A is arranged in the heating of mode, so that indoor unit can run a period of time in a chiller mode, and then keeps away
Exempt from the complete double running mode switchings before node temperatures are set of user setting；If the set temperature Tc0 of refrigeration mode is more than or equal to back
Air temperature, i.e. Tc0 >=T1, it is standby to freeze to illustrate the current state of indoor unit, then the set temperature Tc0 of refrigeration mode is arranged
Temperature Tc, i.e. Tc=Tc0 are set for the refrigeration of automatic mode, so that indoor unit continues to keep refrigeration standby mode, and by return air
The difference of temperature T1 and second threshold B is set as heating setting temperature Th, the i.e. Th=T1-B of automatic mode, so that indoor function
Enough operations in a chiller mode continue standby a period of time of freezing, and then system before the complete double setting node temperatures of user setting is avoided to cut
Change operational mode.Wherein, first threshold A and second threshold B can preset in advance in line control machine, first threshold A and second threshold B
It can be arbitrary integer in 3-5.
In other words, when present mode is refrigeration mode, when user's manipulation line control machine switches to automatic mode, automatic mode
Refrigeration setting temperature Tc and the set temperature Tc0 of current refrigeration mode be consistent, and heat setting temperature Th as return air
The difference of the set temperature Tc0 and preset threshold of temperature T1 or refrigeration mode, specifically, when first threshold A is identical with second threshold B
And when being X, heating setting temperature Th can be Min (Tc0, T1)-X, thus guarantee before the complete double setting node temperatures of user setting,
Indoor unit still keep before operational mode, such as refrigeration booting or freeze standby.
According to one embodiment of present invention, when present mode is dehumidification mode, control method and present mode are system
It is identical when cold mode.
According to one embodiment of present invention, as shown in fig. 6, when present mode is heating mode, according to present mode
Set temperature and return air temperature T1 obtain automatic mode refrigeration setting temperature Tc and heating setting temperature Th, comprising:
S201: judge whether the set temperature Th0 of heating mode is greater than return air temperature T1.
S202: if the set temperature Th0 of heating mode is greater than return air temperature T1, by the set temperature of heating mode
Th0 is set as the heating setting temperature Th of automatic mode, and by the sum of the set temperature Th0 of heating mode and third threshold value C Th0
+ C is set as the refrigeration setting temperature Tc of automatic mode.
S203: if the set temperature Th0 of heating mode is less than or equal to return air temperature T1, by the setting temperature of heating mode
Degree Th0 is set as the heating setting temperature Th of automatic mode, and sets the sum of return air temperature T1 and the 4th threshold value D T1+D to certainly
Temperature Tc is arranged in the refrigeration of dynamic model formula.
That is, line control machine receives the automatic pattern switching instruction of user, if present mode is heating mode,
Automatic mode is switched to from heating mode, judges whether the set temperature Th0 of heating mode is greater than return air temperature T1；If heating
The set temperature Th0 of mode is greater than return air temperature T1, i.e. Th0 > T1, illustrates that when the current state of indoor unit be heating booting, then
Line control machine 20 sets the set temperature Th0 of heating mode to heating temperature Th, the i.e. Th=Th0 of automatic mode, so that indoor
The operational mode of machine is able to maintain as heating mode, and sets the sum of the set temperature Th0 of heating mode and third threshold value C to
Temperature Tc, i.e. Tc=Th0+C is arranged in the refrigeration of automatic mode, so that indoor unit can run a period of time with heating mode, into
And avoid running mode switching before the complete double setting node temperatures of user setting；If the set temperature Th0 of heating mode be less than etc.
In return air temperature T1, i.e. Th0≤T1, illustrate that the current state of indoor unit 10 is heating standby, then by the setting temperature of heating mode
Degree Th0 be set as automatic mode heating setting temperature Th so that indoor unit continue keep heating standby state, i.e. Th=Th0,
And temperature Tc, i.e. Tc=T1+D is arranged in the sum of return air temperature T1 and the 4th threshold value the D refrigeration for being set as automatic mode, so that room
Interior machine can run a period of time with heating mode, and then avoid system switchover operation before the complete double setting node temperatures of user setting
Mode.Wherein, third threshold value C and the 4th threshold value D can preset in advance in line control machine, wherein third threshold value C and the 4th threshold value D
It can be the integer of 3-5.
In other words, when present mode is heating mode, when user's manipulation line control machine 20 switches to automatic mode, automatic mold
The heating setting temperature Th and set temperature Th0 of current heating mode of formula is consistent, and the setting temperature Tc that freezes is back
The sum of the set temperature Th0 and preset threshold of air temperature T1 or heating mode, specifically, as third threshold value C and the 4th threshold value D phase
With and when being Y, refrigeration setting temperature Tc can be Max (Th0, T1)+Y, to guarantee in the complete double setting node temperatures of user setting
Before, indoor unit still keep before operational mode, such as heating booting and heating standby.
According to one embodiment of present invention, when present mode is air supply pattern, according to the set temperature of present mode
With return air temperature T1 obtain automatic mode refrigeration setting temperature Tc and heating setting temperature Th, comprising: by return air temperature T1 with
The sum of 5th threshold value E T1+E is set as the refrigeration setting temperature Tc of automatic mode, and by the difference of return air temperature T1 and the 5th threshold value E
T1-E is set as the heating setting temperature Th of automatic mode.
That is, making the operational mode of indoor unit enter the standby mould of refrigeration when switching to automatic mode from air supply pattern
Formula or heating standby mode, return air temperature T1 temperature are increased to enter refrigeration booting when the sum of return air temperature T1 and the 5th threshold value E
Or return air temperature T1 enters heating booting when being reduced to the difference of return air temperature T1 and the 5th threshold value E, and then makes complete in user setting
Before double setting node temperatures, indoor unit keeps standby mode, wherein the 5th threshold value E can be 2.
According to one embodiment of present invention, the mode switching method of air-conditioning system further include: when determining that switching command is
When from automatic pattern switching being refrigeration mode or dehumidification mode or air supply pattern, the refrigeration setting temperature Tc of automatic mode is arranged
For refrigeration mode or the setting temperature Tc0 of dehumidification mode or air supply pattern；When determining that switching command is to be from automatic pattern switching
When heating mode, it sets the heating setting temperature Th of automatic mode to the setting temperature Th0 of heating mode.
That is, when switching command is is refrigeration mode or dehumidification mode or air supply pattern from automatic pattern switching,
Set the refrigeration setting temperature Tc of automatic mode to the setting temperature Tc0 of refrigeration mode or dehumidification mode or air supply pattern, with
Make the operation operational mode of indoor unit in the setting temperature of user setting complete new refrigeration mode or dehumidification mode or air supply pattern
Refrigeration booting or refrigeration standby mode are kept before Tc0；Similarly, determine switching command be from automatic pattern switching be heating mode
When, the heating setting temperature Th of automatic mode is set to the setting temperature Th0 of heating mode, so that the operation of indoor unit is run
Mode keeps heating booting or heating standby state before the complete new heating mode setting temperature Th0 of user setting, and then avoids
Indoor unit frequent switching causes the unnecessary fluctuation of system.
In conclusion the mode switching method of air-conditioning system according to an embodiment of the present invention, passes through the line traffic control of air-conditioning system
Device receives the switching command of user, when determining switching command is to switch to automatic mode from present mode, obtains present mode
Set temperature, and obtain the return air temperature of air-conditioning system, then obtained according to the set temperature of present mode and return air temperature
The refrigeration setting temperature and heating setting temperature of automatic mode, wherein the indoor unit of air-conditioning system is according to the refrigeration of automatic mode
Temperature is set and heating setting temperature carries out pattern switching control.The mode switching method of the embodiment of the present invention can lead to as a result,
Double setting node temperatures of present mode of operation setting automatic mode are crossed, so that it is traceable to have the setting temperature on line control machine
Property, can be before the complete double setting node temperatures of user setting, it is ensured that indoor unit still keep before operational mode, prevent interior
Machine frequent switching operational mode due to user operation time difference, and then prevent indoor unit frequent switching from causing the unnecessary wave of system
It is dynamic.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
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 (8)
1. a kind of air-conditioning system, which is characterized in that the air-conditioning system includes indoor unit and line control machine, the indoor unit with it is described
Line control machine is communicated, wherein
The line control machine receives the switching command of user；
The line control machine obtains the present mode when determining the switching command is to switch to automatic mode from present mode
Set temperature；
The line control machine also obtains the return air temperature of the air-conditioning system；
The line control machine obtains the refrigeration of the automatic mode according to the set temperature and the return air temperature of the present mode
Temperature and heating setting temperature are set, and the refrigeration of automatic mode setting temperature and heating setting temperature is sent to described
Indoor unit；
Temperature is arranged according to the refrigeration of the automatic mode for the indoor unit and heating setting temperature carries out pattern switching control；
The line control machine is also used to:
Judge whether the set temperature of the refrigeration mode is less than the return air temperature；
If the set temperature of the refrigeration mode is less than the return air temperature, the set temperature of the refrigeration mode is arranged
Temperature is set for the refrigeration of the automatic mode, and sets the difference of the set temperature of the refrigeration mode and first threshold to
Temperature is arranged in the heating of the automatic mode；
If the set temperature of the refrigeration mode is more than or equal to the return air temperature, by the set temperature of the refrigeration mode
Be set as the refrigeration setting temperature of the automatic mode, and by the difference of the return air temperature and second threshold be set as it is described from
Temperature is arranged in the heating of dynamic model formula.
2. air-conditioning system according to claim 1, which is characterized in that described when the present mode is heating mode
Line control machine is also used to:
Judge whether the set temperature of the heating mode is greater than the return air temperature；
If the set temperature of the heating mode is greater than the return air temperature, the set temperature of the heating mode is arranged
Temperature is set for the heating of the automatic mode, and sets institute for the sum of the set temperature of the heating mode and third threshold value
State the refrigeration setting temperature of automatic mode；
If the set temperature of the heating mode is less than or equal to the return air temperature, by the set temperature of the heating mode
It is set as the heating setting temperature of the automatic mode, and sets described automatic for the sum of the return air temperature and the 4th threshold value
Temperature is arranged in the refrigeration of mode.
3. air-conditioning system according to claim 1, which is characterized in that described when the present mode is air supply pattern
Line control machine is also used to:
Temperature is arranged in the refrigeration that the sum of the return air temperature and the 5th threshold value are set as the automatic mode, and by the return air
The difference of temperature and the 5th threshold value is set as the heating setting temperature of the automatic mode.
4. the mode switching method of air-conditioning system according to claim 1, which is characterized in that the line control machine is also used to:
It, will be described when determining the switching command to be refrigeration mode or dehumidification mode or air supply pattern from automatic pattern switching
The refrigeration setting temperature setting of automatic mode is the setting temperature of the refrigeration mode or dehumidification mode or air supply pattern；
When determining the switching command to be heating mode from automatic pattern switching, temperature is arranged in the heating of the automatic mode
Degree is set as the setting temperature of the heating mode.
5. a kind of mode switching method of air-conditioning system, which comprises the following steps:
The switching command of user is received by the line control machine of the air-conditioning system；
When determining the switching command is to switch to automatic mode from present mode, the setting temperature of the present mode is obtained
Degree；
Obtain the return air temperature of the air-conditioning system；
According to the set temperature of the present mode and the return air temperature obtain the automatic mode refrigeration setting temperature and
Heating setting temperature, wherein temperature is arranged according to the refrigeration of the automatic mode for the indoor unit of the air-conditioning system and heating is set
It sets temperature and carries out pattern switching control；
It is described to be obtained according to the set temperature and the return air temperature of the present mode when the present mode is refrigeration mode
Take the refrigeration of the automatic mode that temperature and heating setting temperature are set, comprising:
Judge whether the set temperature of the refrigeration mode is less than the return air temperature；
If the set temperature of the refrigeration mode is less than the return air temperature, the set temperature of the refrigeration mode is arranged
Temperature is set for the refrigeration of the automatic mode, and sets the difference of the set temperature of the refrigeration mode and first threshold to
Temperature is arranged in the heating of the automatic mode；
If the set temperature of the refrigeration mode is more than or equal to the return air temperature, by the set temperature of the refrigeration mode
Be set as the refrigeration setting temperature of the automatic mode, and by the difference of the return air temperature and second threshold be set as it is described from
Temperature is arranged in the heating of dynamic model formula.
6. the mode switching method of air-conditioning system according to claim 5, which is characterized in that when the present mode is system
When heat pattern, the refrigeration that the set temperature and the return air temperature according to the present mode obtains the automatic mode is set
Set temperature and heating setting temperature, comprising:
Judge whether the set temperature of the heating mode is greater than the return air temperature；
If the set temperature of the heating mode is greater than the return air temperature, the set temperature of the heating mode is arranged
Temperature is set for the heating of the automatic mode, and sets institute for the sum of the set temperature of the heating mode and third threshold value
State the refrigeration setting temperature of automatic mode；
If the set temperature of the heating mode is less than or equal to the return air temperature, by the set temperature of the heating mode
It is set as the heating setting temperature of the automatic mode, and sets described automatic for the sum of the return air temperature and the 4th threshold value
Temperature is arranged in the refrigeration of mode.
7. the mode switching method of air-conditioning system according to claim 5, which is characterized in that when the present mode is to send
When wind mode, the refrigeration that the set temperature and the return air temperature according to the present mode obtains the automatic mode is set
Set temperature and heating setting temperature, comprising:
Temperature is arranged in the refrigeration that the sum of the return air temperature and the 5th threshold value are set as the automatic mode, and by the return air
The difference of temperature and the 5th threshold value is set as the heating setting temperature of the automatic mode.
8. the mode switching method of air-conditioning system according to claim 5, which is characterized in that further include:
It, will be described when determining the switching command to be refrigeration mode or dehumidification mode or air supply pattern from automatic pattern switching
The refrigeration setting temperature setting of automatic mode is the setting temperature of the refrigeration mode or dehumidification mode or air supply pattern；
When determining the switching command to be heating mode from automatic pattern switching, temperature is arranged in the heating of the automatic mode
Degree is set as the setting temperature of the heating mode.
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| CN109458709B (en) * | 2018-10-31 | 2020-11-03 | 壹格建筑科技(上海)有限公司 | Air humidity adjusting device and control method |
| CN109458715A (en) * | 2018-10-31 | 2019-03-12 | 壹格建筑科技(上海)有限公司 | A kind of control method of air humidity adjusting device |
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| US9551501B2 (en) * | 2013-03-15 | 2017-01-24 | Honeywell International Inc. | Multi-mode auto changeover system |
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| CN103994539A (en) * | 2013-02-19 | 2014-08-20 | 广东美的暖通设备有限公司 | Heating and ventilation device with work mode automatically switched and control method thereof |
| CN104236008A (en) * | 2013-06-21 | 2014-12-24 | 海尔集团公司 | Air conditioner and automatic control method for operational mode thereof |
| CN104374055A (en) * | 2014-11-26 | 2015-02-25 | 珠海格力电器股份有限公司 | Control method and system for air conditioner unit |
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