CN105626924A - Openness control method of throttle valve, openness control device of throttle valve and air conditioner - Google Patents
Openness control method of throttle valve, openness control device of throttle valve and air conditioner Download PDFInfo
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- CN105626924A CN105626924A CN201410629653.6A CN201410629653A CN105626924A CN 105626924 A CN105626924 A CN 105626924A CN 201410629653 A CN201410629653 A CN 201410629653A CN 105626924 A CN105626924 A CN 105626924A
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Abstract
The invention proposes an openness control method of a throttle valve, an openness control device of the throttle valve and an air conditioner. The openness control method of the throttle valve comprises the steps of: detecting present environment parameters of the air conditioner; and controlling a real-time openness of the throttle valve of the air conditioner according to the present environment parameters and/or different preset working condition parameters. The openness control method of the throttle valve can preferably control the openness of the throttle valve of the air conditioner, so that the air conditioner exerts optimal capacity and energy efficiency, and can stably and reliably operate under a higher environmental temperature to satisfy the requirements of users on ultrahigh energy efficiency and a ultrahigh pressure system.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to the control method of a kind of throttle valve opening, the control device of a kind of throttle valve opening and a kind of air-conditioner.
Background technology
Enhancing gradually along with whole world energy-conserving and environment-protective consciousness, air-conditioning products is proposed more high energy efficiency requirement by increasing area and country, as air-conditioning products efficiency 7 asterisk accurate (requiring to meet T1 and T3 efficiency) is released in T3 operating mode Saudi Arabia area 2015 simultaneously, and switch to R410a new cooling media, when the time comes, just requiring the system of ultrahigh energy efficiency and hyperpressure, air-conditioning manufacturer is undoubtedly huge challenge by this; And the throttle style of traditional fixed length capillary tube, cannot meet user's requirement to ultrahigh energy efficiency and hyperpressure system.
Therefore, how to better control over the aperture of air-conditioner choke valve, so that the ability efficiency of optimum given play to by air-conditioner, enable air-conditioner reliable and stable operation under higher ambient temperature, thus meeting user's requirement to ultrahigh energy efficiency and hyperpressure system, become problem demanding prompt solution.
Summary of the invention
It is contemplated that at least solve one of technical problem of existence in prior art or correlation technique.
For this, it is an object of the present invention to propose the control method of a kind of throttle valve opening.
Further object is that the control device proposing a kind of throttle valve opening.
Another purpose of the present invention is in that to propose a kind of air-conditioner.
For achieving the above object, embodiment according to the first aspect of the invention, it is proposed that the control method of a kind of throttle valve opening, including: the current environment parameter of detection air-conditioner; The real-time aperture of the choke valve of described air-conditioner is controlled according to described current environment parameter and/or different default duty parameters.
The control method of throttle valve opening according to an embodiment of the invention, by can better control over the real-time aperture of the choke valve of air-conditioner according to current environment parameter and/or different default duty parameters, the real-time aperture making choke valve can change along with the change of current environment parameter and/or different default duty parameters, so that air-conditioner can give play to better ability efficiency under identical working condition, and then enable air-conditioner reliable and stable operation under higher ambient temperature, to meet user's requirement to ultrahigh energy efficiency and hyperpressure system.
According to one embodiment of present invention, described current environment parameter includes: the current outside dry-bulb temperature of described air-conditioner, described default duty parameter includes: preset throttle opening value, and the real-time aperture of the described choke valve controlling described air-conditioner according to described current environment parameter and/or different default duty parameters, specifically include: control the real-time aperture of described choke valve according to described current outside dry-bulb temperature and/or described preset throttle opening value.
The control method of throttle valve opening according to an embodiment of the invention, by can better control over the real-time aperture of choke valve according to current outside dry-bulb temperature and/or preset throttle opening value, so that air-conditioner can give play to better ability efficiency under identical working condition, and then enable air-conditioner reliable and stable operation under higher ambient temperature. Certainly, current environment parameter includes but not limited to current outside dry-bulb temperature, it is also possible to the ambient parameters such as current outdoor humidity, current medial dry-bulb temperature or current indoor humidity, and default duty parameter also includes but not limited to: preset throttle opening value.
According to one embodiment of present invention, the described real-time aperture controlling described choke valve according to described current outside dry-bulb temperature and/or described preset throttle opening value, specifically also include: control formula according to the real-time aperture of default choke valve, control the real-time aperture of described choke valve, and the real-time aperture of described default choke valve controls formula and includes: when Tx < 25 DEG C, Lx=L1;
When 25 DEG C��Tx < 35 DEG C, Lx=L1+ (L2-L1) (Tx-25 DEG C)/(35 DEG C-25 DEG C);
When 35 DEG C��Tx < 45 DEG C, Lx=L2+ (L3-L2) (Tx-25 DEG C)/(45 DEG C-35 DEG C);
When 45 DEG C��Tx < 54 DEG C, Lx=L3+ (L4-L3) (Tx-25 DEG C)/(54 DEG C-45 DEG C);
As Tx >=54 DEG C, Lx=L4, wherein, described Tx represents described current outside dry-bulb temperature, described Lx represents the real-time aperture of described choke valve, described L1 represents that working condition be outside dry-bulb temperature be 25 DEG C/outside wet bulb temperature is 20 DEG C, inner side dry-bulb temperature is 24 DEG C/inner side wet bulb temperature is the preset throttle opening value at 17 DEG C, L2 represents that working condition be outside dry-bulb temperature be 35 DEG C/outside wet bulb temperature is 24 DEG C, inner side dry-bulb temperature is 27 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C, L3 represents that working condition be outside dry-bulb temperature be 45 DEG C/outside wet bulb temperature is 24 DEG C, inner side dry-bulb temperature is 29 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C, L4 represents that working condition be outside dry-bulb temperature be 54 DEG C/outside wet bulb temperature is 32 DEG C, inner side dry-bulb temperature is 32 DEG C/inner side wet bulb temperature is the preset throttle opening value at 23 DEG C.
The control method of throttle valve opening according to an embodiment of the invention, by controlling formula according to the real-time aperture of the preset throttle opening value under different operating modes with the choke valve preset under the dry-bulb temperature of difference current outside, air-conditioner different throttle valve openings at different ambient temperatures can be more precisely controlled, so that air-conditioner can give play to better ability efficiency under identical working condition (such as identical temperature), this reliable and stable operation can provide the antecedent basis of necessity for air-conditioner under higher ambient temperature, wherein, L1, L2, L3 and L4 is the typical condition under T3 operating mode area, the determination of L2 and L3 must is fulfilled for the T1 in T3 operating mode area, T3 ability Energy Efficiency Standard, efficiency is paid the utmost attention in the determination of L1, ability is paid the utmost attention in the determination of L4, certainly, in order to more precisely control air-conditioner different throttle valve openings at different ambient temperatures further, can by the temperature range Further Division of current outside dry-bulb temperature, and the real-time aperture control formula of the choke valve under different temperatures interval is refined further.
According to one embodiment of present invention, described current environment parameter also includes: the real-time pressure of the pressure switch of described air-conditioner; Described method also includes: regulate the real-time aperture of described choke valve according to the real-time pressure of described pressure switch.
The control method of throttle valve opening according to an embodiment of the invention, when the real-time aperture according to above-mentioned default choke valve controls the real-time aperture that formula controls choke valve, by regulating the real-time aperture of choke valve in real time according to the real-time pressure of the on high-tension side pressure switch of air-conditioner, be possible to prevent maximum pressure that the real-time pressure overpressure of pressure switch switchs (as: 4.2MPa), and then guarantee that air-conditioner can give play to better ability efficiency under identical working condition.
According to one embodiment of present invention, the described real-time pressure according to described pressure switch regulates the real-time aperture of described choke valve, specifically include: when the real-time pressure of described pressure switch is more than preset pressure, increase the real-time aperture of described adjustment valve, to reduce the real-time pressure of described pressure switch, make described real-time pressure less than or equal to described preset pressure, and when the real-time aperture of described adjustment valve increases to the maximum opening of described adjustment valve, control the real-time aperture of described choke valve equal to described maximum opening.
The control method of throttle valve opening according to an embodiment of the invention, when pressure switch real-time pressure more than preset pressure (as: time 3.8MPa), by increasing the real-time aperture regulating valve, can in time to reduce the real-time pressure of pressure switch, make real-time pressure less than or equal to this preset pressure, certainly, when the aperture regulating valve is gradually increased to maximum opening, if the real-time pressure of pressure switch is still above preset pressure, then can control to adjust the aperture of valve equal to its maximum opening, so that it is guaranteed that air-conditioner can give play to better ability efficiency under identical working condition, and can reliable and stable operation under higher ambient temperature.
Embodiment according to the second aspect of the invention, it is proposed that the control device of a kind of throttle valve opening, including: detection unit, the current environment parameter of detection air-conditioner; Control unit, controls the real-time aperture of the choke valve of described air-conditioner according to described current environment parameter and/or different default duty parameters.
The control device of throttle valve opening according to an embodiment of the invention, by can better control over the real-time aperture of the choke valve of air-conditioner according to current environment parameter and/or different default duty parameters, the real-time aperture making choke valve can change along with the change of current environment parameter and/or different default duty parameters, so that air-conditioner can give play to better ability efficiency under identical working condition, and then enable air-conditioner reliable and stable operation under higher ambient temperature, to meet user's requirement to ultrahigh energy efficiency and hyperpressure system.
According to one embodiment of present invention, described current environment parameter includes: the current outside dry-bulb temperature of described air-conditioner, described default duty parameter includes: preset throttle opening value, and described control unit specifically for: control the real-time aperture of described choke valve according to described current outside dry-bulb temperature and/or described preset throttle opening value.
The control device of throttle valve opening according to an embodiment of the invention, by can better control over the real-time aperture of choke valve according to current outside dry-bulb temperature and/or preset throttle opening value, so that air-conditioner can give play to better ability efficiency under identical working condition, and then enable air-conditioner reliable and stable operation under higher ambient temperature. Certainly, current environment parameter includes but not limited to current outside dry-bulb temperature, it is also possible to the ambient parameters such as current outdoor humidity, current medial dry-bulb temperature or current indoor humidity, and default duty parameter also includes but not limited to: preset throttle opening value.
According to one embodiment of present invention, described control unit is specifically additionally operable to: control formula according to the real-time aperture of default choke valve, control the real-time aperture of described choke valve, and the real-time aperture of described default choke valve controls formula and includes: when Tx<25 DEG C, Lx=L1, when 25 DEG C��Tx<35 DEG C, Lx=L1+ (L2-L1) (Tx-25 DEG C)/(35 DEG C-25 DEG C), when 35 DEG C��Tx<45 DEG C, Lx=L2+ (L3-L2) (Tx-25 DEG C)/(45 DEG C-35 DEG C), when 45 DEG C��Tx<54 DEG C, Lx=L3+ (L4-L3) (Tx-25 DEG C)/(54 DEG C-45 DEG C), as Tx>=54 DEG C, Lx=L4, wherein, described Tx represents described current outside dry-bulb temperature, described Lx represents the real-time aperture of described choke valve, described L1 represents that working condition be outside dry-bulb temperature be 25 DEG C/outside wet bulb temperature is 20 DEG C, inner side dry-bulb temperature is 24 DEG C/inner side wet bulb temperature is the preset throttle opening value at 17 DEG C, L2 represents that working condition be outside dry-bulb temperature be 35 DEG C/outside wet bulb temperature is 24 DEG C, inner side dry-bulb temperature is 27 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C, L3 represents that working condition be outside dry-bulb temperature be 45 DEG C/outside wet bulb temperature is 24 DEG C, inner side dry-bulb temperature is 29 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C, L4 represents that working condition be outside dry-bulb temperature be 54 DEG C/outside wet bulb temperature is 32 DEG C, inner side dry-bulb temperature is 32 DEG C/inner side wet bulb temperature is the preset throttle opening value at 23 DEG C.
The control device of throttle valve opening according to an embodiment of the invention, by controlling formula according to the real-time aperture of the preset throttle opening value under different operating modes with the choke valve preset under the dry-bulb temperature of difference current outside, air-conditioner different throttle valve openings at different ambient temperatures can be more precisely controlled, so that air-conditioner can give play to better ability efficiency under identical working condition (such as identical temperature), this reliable and stable operation can provide the antecedent basis of necessity for air-conditioner under higher ambient temperature, wherein, L1, L2, L3 and L4 is the typical condition under T3 operating mode area, the determination of L2 and L3 must is fulfilled for the T1 in T3 operating mode area, T3 ability Energy Efficiency Standard, efficiency is paid the utmost attention in the determination of L1, ability is paid the utmost attention in the determination of L4, certainly, in order to more precisely control air-conditioner different throttle valve openings at different ambient temperatures further, can by the temperature range Further Division of current outside dry-bulb temperature, and the real-time aperture control formula of the choke valve under different temperatures interval is refined further.
According to one embodiment of present invention, described current environment parameter also includes: the real-time pressure of the pressure switch of described air-conditioner; Described device also includes: regulon, regulates the real-time aperture of described choke valve according to the real-time pressure of described pressure switch.
The control device of throttle valve opening according to an embodiment of the invention, when the real-time aperture according to above-mentioned default choke valve controls the real-time aperture that formula controls choke valve, by regulating the real-time aperture of choke valve in real time according to the real-time pressure of the on high-tension side pressure switch of air-conditioner, be possible to prevent maximum pressure that the real-time pressure overpressure of pressure switch switchs (as: 4.2MPa), and then guarantee that air-conditioner can give play to better ability efficiency under identical working condition.
According to one embodiment of present invention, described regulon specifically for: when the real-time pressure of described pressure switch is more than preset pressure, increase the real-time aperture of described adjustment valve, to reduce the real-time pressure of described pressure switch, make described real-time pressure less than or equal to described preset pressure, and when the real-time aperture of described adjustment valve increases to the maximum opening of described adjustment valve, control the real-time aperture of described choke valve equal to described maximum opening.
The control device of throttle valve opening according to an embodiment of the invention, when pressure switch real-time pressure more than preset pressure (as: time 3.8MPa), by increasing the real-time aperture regulating valve, can in time to reduce the real-time pressure of pressure switch, make real-time pressure less than or equal to this preset pressure, certainly, when the aperture regulating valve is gradually increased to maximum opening, if the real-time pressure of pressure switch is still above preset pressure, then can control to adjust the aperture of valve equal to its maximum opening, so that it is guaranteed that air-conditioner can give play to better ability efficiency under identical working condition, and can reliable and stable operation under higher ambient temperature.
Embodiment according to the third aspect of the invention we, it is proposed that a kind of air-conditioner, including: the control device of throttle valve opening as according to any one of technique scheme.
Air-conditioner according to an embodiment of the invention, by arranging the control device of throttle valve opening on air-conditioner, the aperture of air-conditioner choke valve can be better controled over, air-conditioner is made to have given play to the ability efficiency of optimum, and enable air-conditioner reliable and stable operation under higher ambient temperature, thus meet user's requirement to ultrahigh energy efficiency and hyperpressure system.
Pass through technical scheme, the aperture of air-conditioner choke valve can be better controled over, make air-conditioner give play to the ability efficiency of optimum, and enable air-conditioner reliable and stable operation under higher ambient temperature, thus meeting user's requirement to ultrahigh energy efficiency and hyperpressure system.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 illustrates the schematic flow sheet of the control method of throttle valve opening according to an embodiment of the invention;
Fig. 2 illustrates the structural representation controlling device of throttle valve opening according to an embodiment of the invention;
Fig. 3 illustrates the structural representation of air-conditioner according to an embodiment of the invention.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail. It should be noted that when not conflicting, embodiments herein and the feature in embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention; but; the present invention can also adopt other to be different from other modes described here to implement, and therefore, protection scope of the present invention is by the restriction of following public specific embodiment.
Fig. 1 illustrates the schematic flow sheet of the control method of throttle valve opening according to an embodiment of the invention.
As it is shown in figure 1, the control method of throttle valve opening according to an embodiment of the invention, including: step 102, the current environment parameter of detection air-conditioner; Step 104, controls the real-time aperture of the choke valve of described air-conditioner according to described current environment parameter and/or different default duty parameters.
The control method of throttle valve opening according to an embodiment of the invention, by can better control over the real-time aperture of the choke valve of air-conditioner according to current environment parameter and/or different default duty parameters, the real-time aperture making choke valve can change along with the change of current environment parameter and/or different default duty parameters, so that air-conditioner can give play to better ability efficiency under identical working condition, and then enable air-conditioner reliable and stable operation under higher ambient temperature, to meet user's requirement to ultrahigh energy efficiency and hyperpressure system.
According to one embodiment of present invention, described current environment parameter includes: the current outside dry-bulb temperature of described air-conditioner, described default duty parameter includes: preset throttle opening value, and the real-time aperture of the described choke valve controlling described air-conditioner according to described current environment parameter and/or different default duty parameters, specifically include: control the real-time aperture of described choke valve according to described current outside dry-bulb temperature and/or described preset throttle opening value.
The control method of throttle valve opening according to an embodiment of the invention, by can better control over the real-time aperture of choke valve according to current outside dry-bulb temperature and/or preset throttle opening value, so that air-conditioner can give play to better ability efficiency under identical working condition, and then enable air-conditioner reliable and stable operation under higher ambient temperature. Certainly, current environment parameter includes but not limited to current outside dry-bulb temperature, it is also possible to the ambient parameters such as current outdoor humidity, current medial dry-bulb temperature or current indoor humidity, and default duty parameter also includes but not limited to: preset throttle opening value.
According to one embodiment of present invention, the described real-time aperture controlling described choke valve according to described current outside dry-bulb temperature and/or described preset throttle opening value, specifically also include: control formula according to the real-time aperture of default choke valve, control the real-time aperture of described choke valve, and the real-time aperture of described default choke valve controls formula and includes: when Tx < 25 DEG C, Lx=L1;
When 25 DEG C��Tx < 35 DEG C, Lx=L1+ (L2-L1) (Tx-25 DEG C)/(35 DEG C-25 DEG C);
When 35 DEG C��Tx < 45 DEG C, Lx=L2+ (L3-L2) (Tx-25 DEG C)/(45 DEG C-35 DEG C);
When 45 DEG C��Tx < 54 DEG C, Lx=L3+ (L4-L3) (Tx-25 DEG C)/(54 DEG C-45 DEG C);
As Tx >=54 DEG C, Lx=L4, wherein, described Tx represents described current outside dry-bulb temperature, described Lx represents the real-time aperture of described choke valve, described L1 represents that working condition be outside dry-bulb temperature be 25 DEG C/outside wet bulb temperature is 20 DEG C, inner side dry-bulb temperature is 24 DEG C/inner side wet bulb temperature is the preset throttle opening value at 17 DEG C, L2 represents that working condition be outside dry-bulb temperature be 35 DEG C/outside wet bulb temperature is 24 DEG C, inner side dry-bulb temperature is 27 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C, L3 represents that working condition be outside dry-bulb temperature be 45 DEG C/outside wet bulb temperature is 24 DEG C, inner side dry-bulb temperature is 29 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C, L4 represents that working condition be outside dry-bulb temperature be 54 DEG C/outside wet bulb temperature is 32 DEG C, inner side dry-bulb temperature is 32 DEG C/inner side wet bulb temperature is the preset throttle opening value at 23 DEG C.
The control method of throttle valve opening according to an embodiment of the invention, by controlling formula according to the real-time aperture of the preset throttle opening value under different operating modes with the choke valve preset under the dry-bulb temperature of difference current outside, air-conditioner different throttle valve openings at different ambient temperatures can be more precisely controlled, so that air-conditioner can give play to better ability efficiency under identical working condition (such as identical temperature), this reliable and stable operation can provide the antecedent basis of necessity for air-conditioner under higher ambient temperature, wherein, L1, L2, L3 and L4 is the typical condition under T3 operating mode area, the determination of L2 and L3 must is fulfilled for the T1 in T3 operating mode area, T3 ability Energy Efficiency Standard, efficiency is paid the utmost attention in the determination of L1, ability is paid the utmost attention in the determination of L4, certainly, in order to more precisely control air-conditioner different throttle valve openings at different ambient temperatures further, can by the temperature range Further Division of current outside dry-bulb temperature, and the real-time aperture control formula of the choke valve under different temperatures interval is refined further.
According to one embodiment of present invention, described current environment parameter also includes: the real-time pressure of the pressure switch of described air-conditioner; Described method also includes: regulate the real-time aperture of described choke valve according to the real-time pressure of described pressure switch.
The control method of throttle valve opening according to an embodiment of the invention, when the real-time aperture according to above-mentioned default choke valve controls the real-time aperture that formula controls choke valve, by regulating the real-time aperture of choke valve in real time according to the real-time pressure of the on high-tension side pressure switch of air-conditioner, be possible to prevent maximum pressure that the real-time pressure overpressure of pressure switch switchs (as: 4.2MPa), and then guarantee that air-conditioner can give play to better ability efficiency under identical working condition.
According to one embodiment of present invention, the described real-time pressure according to described pressure switch regulates the real-time aperture of described choke valve, specifically include: when the real-time pressure of described pressure switch is more than preset pressure, increase the real-time aperture of described adjustment valve, to reduce the real-time pressure of described pressure switch, make described real-time pressure less than or equal to described preset pressure, and when the real-time aperture of described adjustment valve increases to the maximum opening of described adjustment valve, control the real-time aperture of described choke valve equal to described maximum opening.
The control method of throttle valve opening according to an embodiment of the invention, when pressure switch real-time pressure more than preset pressure (as: time 3.8MPa), by increasing the real-time aperture regulating valve, can in time to reduce the real-time pressure of pressure switch, make real-time pressure less than or equal to this preset pressure, certainly, when the aperture regulating valve is gradually increased to maximum opening, if the real-time pressure of pressure switch is still above preset pressure, then can control to adjust the aperture of valve equal to its maximum opening, so that it is guaranteed that air-conditioner can give play to better ability efficiency under identical working condition, and can reliable and stable operation under higher ambient temperature.
Fig. 2 illustrates the structural representation controlling device of throttle valve opening according to an embodiment of the invention.
As in figure 2 it is shown, the control device 200 of throttle valve opening according to an embodiment of the invention, including: detection unit 202, the current environment parameter of detection air-conditioner; Control unit 204, controls the real-time aperture of the choke valve of described air-conditioner according to described current environment parameter and/or different default duty parameters.
The control device 200 of throttle valve opening according to an embodiment of the invention, by can better control over the real-time aperture of the choke valve of air-conditioner according to current environment parameter and/or different default duty parameters, the real-time aperture making choke valve can change along with the change of current environment parameter and/or different default duty parameters, so that air-conditioner can give play to better ability efficiency under identical working condition, and then enable air-conditioner reliable and stable operation under higher ambient temperature, to meet user's requirement to ultrahigh energy efficiency and hyperpressure system.
According to one embodiment of present invention, described current environment parameter includes: the current outside dry-bulb temperature of described air-conditioner, described default duty parameter includes: preset throttle opening value, and described control unit 204 specifically for: control the real-time aperture of described choke valve according to described current outside dry-bulb temperature and/or described preset throttle opening value.
The control device 200 of throttle valve opening according to an embodiment of the invention, by can better control over the real-time aperture of choke valve according to current outside dry-bulb temperature and/or preset throttle opening value, so that air-conditioner can give play to better ability efficiency under identical working condition, and then enable air-conditioner reliable and stable operation under higher ambient temperature. Certainly, current environment parameter includes but not limited to current outside dry-bulb temperature, it is also possible to the ambient parameters such as current outdoor humidity, current medial dry-bulb temperature or current indoor humidity, and default duty parameter also includes but not limited to: preset throttle opening value.
According to one embodiment of present invention, described control unit 204 is specifically additionally operable to: control formula according to the real-time aperture of default choke valve, control the real-time aperture of described choke valve, and the real-time aperture of described default choke valve controls formula and includes: when Tx<25 DEG C, Lx=L1, when 25 DEG C��Tx<35 DEG C, Lx=L1+ (L2-L1) (Tx-25 DEG C)/(35 DEG C-25 DEG C), when 35 DEG C��Tx<45 DEG C, Lx=L2+ (L3-L2) (Tx-25 DEG C)/(45 DEG C-35 DEG C), when 45 DEG C��Tx<54 DEG C, Lx=L3+ (L4-L3) (Tx-25 DEG C)/(54 DEG C-45 DEG C), as Tx>=54 DEG C, Lx=L4, wherein, described Tx represents described current outside dry-bulb temperature, described Lx represents the real-time aperture of described choke valve, described L1 represents that working condition be outside dry-bulb temperature be 25 DEG C/outside wet bulb temperature is 20 DEG C, inner side dry-bulb temperature is 24 DEG C/inner side wet bulb temperature is the preset throttle opening value at 17 DEG C, L2 represents that working condition be outside dry-bulb temperature be 35 DEG C/outside wet bulb temperature is 24 DEG C, inner side dry-bulb temperature is 27 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C, L3 represents that working condition be outside dry-bulb temperature be 45 DEG C/outside wet bulb temperature is 24 DEG C, inner side dry-bulb temperature is 29 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C, L4 represents that working condition be outside dry-bulb temperature be 54 DEG C/outside wet bulb temperature is 32 DEG C, inner side dry-bulb temperature is 32 DEG C/inner side wet bulb temperature is the preset throttle opening value at 23 DEG C.
The control device 200 of throttle valve opening according to an embodiment of the invention, by controlling formula according to the real-time aperture of the preset throttle opening value under different operating modes with the choke valve preset under the dry-bulb temperature of difference current outside, air-conditioner different throttle valve openings at different ambient temperatures can be more precisely controlled, so that air-conditioner can give play to better ability efficiency under identical working condition (such as identical temperature), this reliable and stable operation can provide the antecedent basis of necessity for air-conditioner under higher ambient temperature, wherein, L1, L2, L3 and L4 is the typical condition under T3 operating mode area, the determination of L2 and L3 must is fulfilled for the T1 in T3 operating mode area, T3 ability Energy Efficiency Standard, efficiency is paid the utmost attention in the determination of L1, ability is paid the utmost attention in the determination of L4, certainly, in order to more precisely control air-conditioner different throttle valve openings at different ambient temperatures further, can by the temperature range Further Division of current outside dry-bulb temperature, and the real-time aperture control formula of the choke valve under different temperatures interval is refined further.
According to one embodiment of present invention, described current environment parameter also includes: the real-time pressure of the pressure switch of described air-conditioner; Described device also includes: regulon 206, regulates the real-time aperture of described choke valve according to the real-time pressure of described pressure switch.
The control device 200 of throttle valve opening according to an embodiment of the invention, when the real-time aperture according to above-mentioned default choke valve controls the real-time aperture that formula controls choke valve, by regulating the real-time aperture of choke valve in real time according to the real-time pressure of the on high-tension side pressure switch of air-conditioner, be possible to prevent maximum pressure that the real-time pressure overpressure of pressure switch switchs (as: 4.2MPa), and then guarantee that air-conditioner can give play to better ability efficiency under identical working condition.
According to one embodiment of present invention, described regulon 206 specifically for: when the real-time pressure of described pressure switch is more than preset pressure, increase the real-time aperture of described adjustment valve, to reduce the real-time pressure of described pressure switch, make described real-time pressure less than or equal to described preset pressure, and when the real-time aperture of described adjustment valve increases to the maximum opening of described adjustment valve, control the real-time aperture of described choke valve equal to described maximum opening.
The control device 200 of throttle valve opening according to an embodiment of the invention, when pressure switch real-time pressure more than preset pressure (as: time 3.8MPa), by increasing the real-time aperture regulating valve, can in time to reduce the real-time pressure of pressure switch, make real-time pressure less than or equal to this preset pressure, certainly, when the aperture regulating valve is gradually increased to maximum opening, if the real-time pressure of pressure switch is still above preset pressure, then can control to adjust the aperture of valve equal to its maximum opening, so that it is guaranteed that air-conditioner can give play to better ability efficiency under identical working condition, and can reliable and stable operation under higher ambient temperature.
Fig. 3 illustrates the structural representation of air-conditioner according to an embodiment of the invention.
As it is shown on figure 3, air-conditioner 300 according to an embodiment of the invention, including: the control device 200 of throttle valve opening as according to any one of technique scheme.
Air-conditioner 300 according to an embodiment of the invention, by arranging the control device 200 of throttle valve opening on air-conditioner 300, the aperture of air-conditioner choke valve can be better controled over, air-conditioner is made to have given play to the ability efficiency of optimum, and enable air-conditioner reliable and stable operation under higher ambient temperature, thus meet user's requirement to ultrahigh energy efficiency and hyperpressure system.
Technical scheme is described in detail above in association with accompanying drawing, pass through technical scheme, the aperture of air-conditioner choke valve can be better controled over, air-conditioner is made to have given play to the ability efficiency of optimum, and enable air-conditioner reliable and stable operation under higher ambient temperature, thus meet user's requirement to ultrahigh energy efficiency and hyperpressure system.
In the present invention, term " first ", " second " only for descriptive purposes, and it is not intended that instruction or hint relative importance. For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (11)
1. the control method of a throttle valve opening, it is characterised in that including:
The current environment parameter of detection air-conditioner;
The real-time aperture of the choke valve of described air-conditioner is controlled according to described current environment parameter and/or different default duty parameters.
2. the control method of throttle valve opening according to claim 1, it is characterised in that
Described current environment parameter includes: the current outside dry-bulb temperature of described air-conditioner, and described default duty parameter includes: preset throttle opening value, and
The real-time aperture of the described choke valve controlling described air-conditioner according to described current environment parameter and/or different default duty parameters, specifically includes:
The real-time aperture of described choke valve is controlled according to described current outside dry-bulb temperature and/or described preset throttle opening value.
3. the control method of throttle valve opening according to claim 2, it is characterised in that
The described real-time aperture controlling described choke valve according to described current outside dry-bulb temperature and/or described preset throttle opening value, specifically also includes:
Real-time aperture according to default choke valve controls formula, controls the real-time aperture of described choke valve, and the real-time aperture of described default choke valve controls formula and includes:
When Tx < 25 DEG C, Lx=L1;
When 25 DEG C��Tx < 35 DEG C, Lx=L1+ (L2-L1) (Tx-25 DEG C)/(35 DEG C-25 DEG C);
When 35 DEG C��Tx < 45 DEG C, Lx=L2+ (L3-L2) (Tx-25 DEG C)/(45 DEG C-35 DEG C);
When 45 DEG C��Tx < 54 DEG C, Lx=L3+ (L4-L3) (Tx-25 DEG C)/(54 DEG C-45 DEG C);
As Tx >=54 DEG C, Lx=L4; Wherein, described Tx represents described current outside dry-bulb temperature, and described Lx represents the real-time aperture of described choke valve,
Described L1 represents that working condition be outside dry-bulb temperature be 25 DEG C/outside wet bulb temperature is 20 DEG C, and inner side dry-bulb temperature is 24 DEG C/inner side wet bulb temperature is the preset throttle opening value at 17 DEG C,
L2 represents that working condition be outside dry-bulb temperature be 35 DEG C/outside wet bulb temperature is 24 DEG C, and inner side dry-bulb temperature is 27 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C,
L3 represents that working condition be outside dry-bulb temperature be 45 DEG C/outside wet bulb temperature is 24 DEG C, and inner side dry-bulb temperature is 29 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C,
L4 represents that working condition be outside dry-bulb temperature be 54 DEG C/outside wet bulb temperature is 32 DEG C, and inner side dry-bulb temperature is 32 DEG C/inner side wet bulb temperature is the preset throttle opening value at 23 DEG C.
4. the control method of throttle valve opening according to any one of claim 1 to 3, it is characterised in that
Described current environment parameter also includes: the real-time pressure of the pressure switch of described air-conditioner;
Described method also includes:
Real-time pressure according to described pressure switch regulates the real-time aperture of described choke valve.
5. the control method of throttle valve opening according to claim 4, it is characterised in that
The described real-time pressure according to described pressure switch regulates the real-time aperture of described choke valve, specifically includes:
When the real-time pressure of described pressure switch is more than preset pressure, increase the real-time aperture of described adjustment valve, to reduce the real-time pressure of described pressure switch, make described real-time pressure less than or equal to described preset pressure, and when the real-time aperture of described adjustment valve increases to the maximum opening of described adjustment valve, control the real-time aperture of described choke valve equal to described maximum opening.
6. the control device of a throttle valve opening, it is characterised in that including:
Detection unit, the current environment parameter of detection air-conditioner;
Control unit, controls the real-time aperture of the choke valve of described air-conditioner according to described current environment parameter and/or different default duty parameters.
7. the control device of throttle valve opening according to claim 6, it is characterised in that
Described current environment parameter includes: the current outside dry-bulb temperature of described air-conditioner, and described default duty parameter includes: preset throttle opening value, and
Described control unit specifically for:
The real-time aperture of described choke valve is controlled according to described current outside dry-bulb temperature and/or described preset throttle opening value.
8. the control device of throttle valve opening according to claim 7, it is characterised in that
Described control unit is specifically additionally operable to:
Real-time aperture according to default choke valve controls formula, controls the real-time aperture of described choke valve, and the real-time aperture of described default choke valve controls formula and includes:
When Tx < 25 DEG C, Lx=L1;
When 25 DEG C��Tx < 35 DEG C, Lx=L1+ (L2-L1) (Tx-25 DEG C)/(35 DEG C-25 DEG C);
When 35 DEG C��Tx < 45 DEG C, Lx=L2+ (L3-L2) (Tx-25 DEG C)/(45 DEG C-35 DEG C);
When 45 DEG C��Tx < 54 DEG C, Lx=L3+ (L4-L3) (Tx-25 DEG C)/(54 DEG C-45 DEG C);
As Tx >=54 DEG C, Lx=L4; Wherein, described Tx represents described current outside dry-bulb temperature, and described Lx represents the real-time aperture of described choke valve,
Described L1 represents that working condition be outside dry-bulb temperature be 25 DEG C/outside wet bulb temperature is 20 DEG C, and inner side dry-bulb temperature is 24 DEG C/inner side wet bulb temperature is the preset throttle opening value at 17 DEG C,
L2 represents that working condition be outside dry-bulb temperature be 35 DEG C/outside wet bulb temperature is 24 DEG C, and inner side dry-bulb temperature is 27 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C,
L3 represents that working condition be outside dry-bulb temperature be 45 DEG C/outside wet bulb temperature is 24 DEG C, and inner side dry-bulb temperature is 29 DEG C/inner side wet bulb temperature is the preset throttle opening value at 19 DEG C,
L4 represents that working condition be outside dry-bulb temperature be 54 DEG C/outside wet bulb temperature is 32 DEG C, and inner side dry-bulb temperature is 32 DEG C/inner side wet bulb temperature is the preset throttle opening value at 23 DEG C.
9. the control device of the throttle valve opening according to any one of claim 6 to 8, it is characterised in that
Described current environment parameter also includes: the real-time pressure of the pressure switch of described air-conditioner;
Described device also includes:
Regulon, regulates the real-time aperture of described choke valve according to the real-time pressure of described pressure switch.
10. the control device of throttle valve opening according to claim 9, it is characterised in that
Described regulon specifically for:
When the real-time pressure of described pressure switch is more than preset pressure, increase the real-time aperture of described adjustment valve, to reduce the real-time pressure of described pressure switch, make described real-time pressure less than or equal to described preset pressure, and when the real-time aperture of described adjustment valve increases to the maximum opening of described adjustment valve, control the real-time aperture of described choke valve equal to described maximum opening.
11. an air-conditioner, it is characterised in that including: the control device of throttle valve opening as according to any one of claim 6 to 10.
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| CN201410629653.6A CN105626924B (en) | 2014-11-07 | 2014-11-07 | The control method of throttle valve opening, the control device of throttle valve opening and air conditioner |
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| CN201410629653.6A CN105626924B (en) | 2014-11-07 | 2014-11-07 | The control method of throttle valve opening, the control device of throttle valve opening and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106440443A (en) * | 2016-11-25 | 2017-02-22 | 广州华凌制冷设备有限公司 | Air conditioner system suitable for high-temperature refrigerating and control method |
| CN106765927A (en) * | 2016-12-13 | 2017-05-31 | 青岛海尔空调器有限总公司 | The control method of air-conditioning expansion valve |
| CN116447518A (en) * | 2023-04-03 | 2023-07-18 | 广东港能新能源科技有限公司 | Natural gas conveying pipeline pressure regulating device |
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| CN103344069A (en) * | 2013-06-26 | 2013-10-09 | 广东美的制冷设备有限公司 | Method and device for controlling electronic expansion valve |
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| JPH0355452A (en) * | 1989-07-25 | 1991-03-11 | Taisei Corp | Control method for air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106440443A (en) * | 2016-11-25 | 2017-02-22 | 广州华凌制冷设备有限公司 | Air conditioner system suitable for high-temperature refrigerating and control method |
| CN106765927A (en) * | 2016-12-13 | 2017-05-31 | 青岛海尔空调器有限总公司 | The control method of air-conditioning expansion valve |
| CN106765927B (en) * | 2016-12-13 | 2019-07-23 | 青岛海尔空调器有限总公司 | The control method of air-conditioning expansion valve |
| CN116447518A (en) * | 2023-04-03 | 2023-07-18 | 广东港能新能源科技有限公司 | Natural gas conveying pipeline pressure regulating device |
| CN116447518B (en) * | 2023-04-03 | 2023-11-10 | 广东港能新能源科技有限公司 | Natural gas conveying pipeline pressure regulating device |
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| CN105626924B (en) | 2018-02-06 |
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