CN105042938A - Air-cooled heat pump hot and cold water dispenser system and loading and unloading control method thereof - Google Patents
Air-cooled heat pump hot and cold water dispenser system and loading and unloading control method thereof Download PDFInfo
- Publication number
- CN105042938A CN105042938A CN201510477833.1A CN201510477833A CN105042938A CN 105042938 A CN105042938 A CN 105042938A CN 201510477833 A CN201510477833 A CN 201510477833A CN 105042938 A CN105042938 A CN 105042938A
- Authority
- CN
- China
- Prior art keywords
- temperature
- heat pump
- cooled heat
- air
- hot water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a method for loading and unloading control over an air-cooled heat pump hot and cold water dispenser system and the air-cooled heat pump hot and cold water dispenser system. The method comprises the following steps: detecting a current environment temperature and obtaining a curve of capacity output percentage variation of the air-cooled heat pump hot and cold water dispenser system with temperature during loading and unloading according to the current environment temperature and a set temperature; detecting an outlet water temperature or a return water temperature in real time; obtaining the capacity output percentage of the air-cooled heat pump hot and cold water dispenser system during loading and unloading according to the outlet water temperature/return water temperature and the curve of capacity output percentage variation of the air-cooled heat pump hot and cold water dispenser system with temperature during loading and unloading and obtaining the number of started compressors according to the capacity output percentage; and performing loading and unloading control over the air-cooled heat pump hot and cold water dispenser system according to the number of the started compressors. According to the method, the outlet water temperature can be controlled continuously and accurately, and the problem that the use experience is affected due to excessive outlet water temperature variation caused by loading and unloading delay is effectively solved.
Description
Technical field
The present invention relates to air-conditioner technical field, what particularly relate to a kind of air-cooled heat pump cold-hot water machine system adds Unloading Control method and a kind of air-cooled heat pump cold-hot water machine system.
Background technology
Air-cooled heat pump water chiller-heater units take air as the middle-size and small-size central air-conditioning of cold/heat source, and it take refrigerant as refrigerant, carries out heat exchange with water, the water after cooled/heat by secondary heat exchange for desired zone provides cold/heat.
Existing air-cooled heat pump water chiller-heater units is most of to be carried out the start and stop between control module according to entry/exit water temperature and adds unloading, therefore, the unloading relation that adds of the total water outlet of accurate assurance air-cooled heat pump water chiller-heater units/total return water temperature and intermodule effectively improves the key of each module work efficiency.
In correlation technique, always go out water temperature by detecting and judge whether it is adding in unload zone, and then carrying out adding unloading adjustment according to judged result, which cannot add unloading accurately between control module, passively can only feed back, has larger retardance.Therefore, need to improve the Unloading Control that adds of intermodule.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention be to propose a kind of can realize the air-cooled heat pump cold-hot water machine system that leaving water temperature continuously, accurately controls add Unloading Control method.
Another object of the present invention is to propose a kind of air-cooled heat pump cold-hot water machine system.
For achieving the above object, what one aspect of the present invention embodiment proposed a kind of air-cooled heat pump cold-hot water machine system adds Unloading Control method, described air-cooled heat pump cold-hot water machine system comprises multiple air-cooled heat pump cold-hot water machine, wherein, the outlet pipe of each air-cooled heat pump cold-hot water machine is connected to total outlet pipe of described air-cooled heat pump cold-hot water machine system respectively, the return pipe of each air-cooled heat pump cold-hot water machine is connected to total return pipe of described air-cooled heat pump cold-hot water machine system respectively, be connected in parallel to realize described multiple air-cooled heat pump cold-hot water machine, the described Unloading Control method that adds comprises the following steps: detect current environmental temperature, and export percentage according to described current environmental temperature and the design temperature ability obtained when described air-cooled heat pump cold-hot water machine system adds unloading and vary with temperature curve, the leaving water temperature of the described total outlet pipe of real-time detection or the return water temperature of described total return pipe, ability when adding unloading according to described leaving water temperature/return water temperature and described air-cooled heat pump cold-hot water machine system exports the ability that percentage varies with temperature when air-cooled heat pump cold-hot water machine system described in curve acquisition adds unloading and exports percentage, and exports percentage according to described ability and obtain compressor and open number, and according to described compressor unlatching number, Unloading Control is added to described air-cooled heat pump cold-hot water machine system.
Unloading Control method is added according to the air-cooled heat pump cold-hot water machine system of the embodiment of the present invention, first current environmental temperature is detected, and export percentage according to current environmental temperature and the design temperature ability obtained when air-cooled heat pump cold-hot water machine system adds unloading and vary with temperature curve, then the leaving water temperature of total outlet pipe or the return water temperature of total return pipe is detected in real time, ability when adding unloading according to leaving water temperature/return water temperature and air-cooled heat pump cold-hot water machine system exports the ability that percentage varies with temperature when curve acquisition air-cooled heat pump cold-hot water machine system adds unloading and exports percentage, and export percentage acquisition compressor unlatching number according to ability, and according to compressor unlatching number, Unloading Control is added to air-cooled heat pump cold-hot water machine system, thus realize the continuous of leaving water temperature, accurate control, namely based on leaving water temperature, determine the demand of user, and then start the quantity of corresponding air-cooled heat pump cold-hot water machine accurately, and adjust in real time, effectively prevent the leaving water temperature caused because postponing to add unloading to fluctuate, improve the experience of user.
According to one embodiment of present invention, when carrying out Loading Control to described air-cooled heat pump cold-hot water machine system, wherein, if described leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to the first preset temperature T
s+d, then export according to described ability the ability output percentage X% that percentage varies with temperature air-cooled heat pump cold-hot water machine system described in curve acquisition, number opened by described compressor is rounding of N*X%, and N is the total quantity of air-cooled heat pump cold-hot water machine; If described leaving water temperature/return water temperature is greater than described first preset temperature T
s+dand be less than the second preset temperature T
smax, then the ability output percentage obtaining described air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by described compressor is rounding of N*a%; If described leaving water temperature/return water temperature is more than or equal to described second preset temperature T
smax, then the compressor controlled in described air-cooled heat pump cold-hot water machine system all starts.
According to one embodiment of present invention, when carrying out Unloading Control to described air-cooled heat pump cold-hot water machine system, wherein, if described leaving water temperature/return water temperature is less than or equal to the second preset temperature T
smaxand be more than or equal to the 3rd preset temperature T
sf, then the compressor controlled in described air-cooled heat pump cold-hot water machine system all starts; If described leaving water temperature/return water temperature is less than described 3rd preset temperature T
sfand be greater than the first preset temperature T
s+d, then the ability output percentage obtaining described air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by described compressor is rounding of N*a%, and N is the total quantity of air-cooled heat pump cold-hot water machine; If described leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to described first preset temperature T
s+d, then export according to described ability the ability output percentage X% that percentage varies with temperature air-cooled heat pump cold-hot water machine system described in curve acquisition, number opened by described compressor is rounding of N*X%; If described leaving water temperature/return water temperature is less than described default start-up temperature T
s-dand be greater than default shutdown temperature T
off, then the ability output percentage obtaining described air-cooled heat pump cold-hot water machine system is default minimum output percentage b%, and number opened by described compressor is rounding of N*b%, b < a.
Wherein, when described leaving water temperature/return water temperature is less than or equal to described default shutdown temperature T
offtime, control the compressor Close All in described air-cooled heat pump cold-hot water machine system.
In some embodiments of the invention, by rounding only to enter when obtaining described compressor unlatching number not give up.
For achieving the above object, the present invention on the other hand embodiment proposes a kind of air-cooled heat pump cold-hot water machine system, comprise: multiple air-cooled heat pump cold-hot water machine, the outlet pipe of each air-cooled heat pump cold-hot water machine is connected to total outlet pipe of described air-cooled heat pump cold-hot water machine system respectively, the return pipe of each air-cooled heat pump cold-hot water machine is connected to total return pipe of described air-cooled heat pump cold-hot water machine system respectively, is connected in parallel to realize described multiple air-cooled heat pump cold-hot water machine, first temperature detecting module, for detecting current environmental temperature, second temperature detecting module, for the return water temperature of the leaving water temperature or described total return pipe that detect described total outlet pipe in real time, control module, export percentage for the ability obtained according to described current environmental temperature and design temperature when described air-cooled heat pump cold-hot water machine system adds unloading and vary with temperature curve, and ability when adding unloading according to described leaving water temperature/return water temperature and described air-cooled heat pump cold-hot water machine system exports the ability that percentage varies with temperature when air-cooled heat pump cold-hot water machine system described in curve acquisition adds unloading exports percentage, and export percentage acquisition compressor unlatching number according to described ability, and according to described compressor unlatching number, Unloading Control is added to described air-cooled heat pump cold-hot water machine system.
According to the air-cooled heat pump cold-hot water machine system of the embodiment of the present invention, first temperature detecting module detects current environmental temperature, second temperature detecting module detects the leaving water temperature of total outlet pipe or the return water temperature of total return pipe in real time, control module exports percentage according to current environmental temperature and the design temperature ability obtained when air-cooled heat pump cold-hot water machine system adds unloading and varies with temperature curve, and ability when adding unloading according to leaving water temperature/return water temperature and air-cooled heat pump cold-hot water machine system exports the ability that percentage varies with temperature when curve acquisition air-cooled heat pump cold-hot water machine system adds unloading exports percentage, and export percentage acquisition compressor unlatching number according to ability, and according to compressor unlatching number, Unloading Control is added to air-cooled heat pump cold-hot water machine system, thus realize the continuous of leaving water temperature, accurate control, namely based on leaving water temperature, determine the demand of user, and then start the quantity of corresponding air-cooled heat pump cold-hot water machine accurately, and adjust in real time, effectively prevent the leaving water temperature caused because postponing to add unloading to fluctuate, improve the experience of user.
According to one embodiment of present invention, when carrying out Loading Control to described air-cooled heat pump cold-hot water machine system, wherein, if described leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to the first preset temperature T
s+ddescribed control module then exports according to described ability the ability output percentage X% that percentage varies with temperature air-cooled heat pump cold-hot water machine system described in curve acquisition, number opened by described compressor is rounding of N*X%, and N is the total quantity of air-cooled heat pump cold-hot water machine; If described leaving water temperature/return water temperature is greater than described first preset temperature T
s+dand be less than the second preset temperature T
smax, the ability output percentage that described control module then obtains described air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by described compressor is rounding of N*a%; If described leaving water temperature/return water temperature is more than or equal to described second preset temperature T
smax, the compressor that described control module then controls in described air-cooled heat pump cold-hot water machine system all starts.
According to one embodiment of present invention, when carrying out Unloading Control to described air-cooled heat pump cold-hot water machine system, wherein, if described leaving water temperature/return water temperature is less than or equal to the second preset temperature T
smaxand be more than or equal to the 3rd preset temperature T
sf, the compressor that described control module then controls in described air-cooled heat pump cold-hot water machine system all starts; If described leaving water temperature/return water temperature is less than described 3rd preset temperature T
sfand be greater than the first preset temperature T
s+d, the ability output percentage that described control module then obtains described air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by described compressor is rounding of N*a%, and N is the total quantity of air-cooled heat pump cold-hot water machine; If described leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to described first preset temperature T
s+d, described control module then exports according to described ability the ability output percentage X% that percentage varies with temperature air-cooled heat pump cold-hot water machine system described in curve acquisition, and number opened by described compressor is rounding of N*X%; If described leaving water temperature/return water temperature is less than described default start-up temperature T
s-dand be greater than default shutdown temperature T
off, the ability output percentage that described control module then obtains described air-cooled heat pump cold-hot water machine system is default minimum output percentage b%, and number opened by described compressor is rounding of N*b%, b < a.
Wherein, when described leaving water temperature/return water temperature is less than or equal to described default shutdown temperature T
offtime, described control module controls the compressor Close All in described air-cooled heat pump cold-hot water machine system.
In some embodiments of the invention, by rounding only to enter when obtaining described compressor unlatching number not give up.
Accompanying drawing explanation
Fig. 1 is the flow chart adding Unloading Control method of the air-cooled heat pump cold-hot water machine system according to the embodiment of the present invention.
Fig. 2 is that ability when air-cooled heat pump cold-hot water machine system adds unloading according to an embodiment of the invention exports percentage and varies with temperature curve map.
Fig. 3 is the block diagram of the air-cooled heat pump cold-hot water machine system according to the embodiment of the present invention.
Reference numeral: multiple air-cooled heat pump cold-hot water machine 10, first temperature detecting module 20, second temperature detecting module 30 and control module 40.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
What describe the air-cooled heat pump cold-hot water machine system proposed according to the embodiment of the present invention with reference to the accompanying drawings adds Unloading Control method and air-cooled heat pump cold-hot water machine system.
Fig. 1 is the flow chart adding Unloading Control method of the air-cooled heat pump cold-hot water machine system according to the embodiment of the present invention.Wherein, air-cooled heat pump cold-hot water machine system comprises multiple air-cooled heat pump cold-hot water machine, the outlet pipe of each air-cooled heat pump cold-hot water machine is connected to total outlet pipe of air-cooled heat pump cold-hot water machine system respectively, the return pipe of each air-cooled heat pump cold-hot water machine is connected to total return pipe of air-cooled heat pump cold-hot water machine system respectively, is connected in parallel to realize multiple air-cooled heat pump cold-hot water machine.
As shown in Figure 1, the Unloading Control method that adds of this air-cooled heat pump cold-hot water machine system comprises the following steps:
S1, detects current environmental temperature, and exports percentage according to current environmental temperature and the design temperature ability obtained when air-cooled heat pump cold-hot water machine system adds unloading and vary with temperature curve.
According to a concrete example of the present invention, ability when air-cooled heat pump cold-hot water machine system adds unloading exports percentage and varies with temperature curve as shown in Figure 2, wherein, and T
offfor shutdown temperature, T
s-dfor start-up temperature, T
sfor design temperature, T
s+dbe the first preset temperature, T
sfbe the 3rd preset temperature, T
smaxbe the second preset temperature, and, shutdown temperature T
offwith start-up temperature T
s-dbetween temperature gap T
offsetfor shutting down return difference temperature, start-up temperature T
s-dwith the first preset temperature T
s+dbetween temperature gap T
2dfor temperature controlling range, the first preset temperature T
s+dwith the 3rd preset temperature T
sfbetween temperature gap t
1be between the first active region, the 3rd preset temperature T
sfwith the second preset temperature T
smaxbetween temperature gap t
2be between the second active region, a% is maximum output percentage, and b% is minimum output percentage, and the ability of Ps corresponding to design temperature Ts exports percentage.
S2, detects the leaving water temperature of total outlet pipe or the return water temperature of total return pipe in real time.
S3, ability when adding unloading according to leaving water temperature/return water temperature and air-cooled heat pump cold-hot water machine system exports the ability that percentage varies with temperature when curve acquisition air-cooled heat pump cold-hot water machine system adds unloading and exports percentage, and exports percentage according to ability and obtain compressor and open number.
S4, opens number according to compressor and adds Unloading Control to air-cooled heat pump cold-hot water machine system.
According to one embodiment of present invention, when carrying out Loading Control to air-cooled heat pump cold-hot water machine system, wherein, if leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to the first preset temperature T
s+d, then export according to ability the ability output percentage X% that percentage varies with temperature curve acquisition air-cooled heat pump cold-hot water machine system, number opened by compressor is rounding of N*X%, and N is the total quantity of air-cooled heat pump cold-hot water machine; If leaving water temperature/return water temperature is greater than the first preset temperature T
s+dand be less than the second preset temperature T
smax, then the ability output percentage obtaining air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by compressor is rounding of N*a%; If leaving water temperature/return water temperature is more than or equal to the second preset temperature T
smax, then the compressor controlled in air-cooled heat pump cold-hot water machine system all starts.
According to one embodiment of present invention, when carrying out Unloading Control to air-cooled heat pump cold-hot water machine system, wherein, if leaving water temperature/return water temperature is less than or equal to the second preset temperature T
smaxand be more than or equal to the 3rd preset temperature T
sf, then the compressor controlled in air-cooled heat pump cold-hot water machine system all starts; If leaving water temperature/return water temperature is less than the 3rd preset temperature T
sfand be greater than the first preset temperature T
s+d, then the ability output percentage obtaining air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by compressor is rounding of N*a%, and N is the total quantity of air-cooled heat pump cold-hot water machine; If leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to the first preset temperature T
s+d, then export according to ability the ability output percentage X% that percentage varies with temperature curve acquisition air-cooled heat pump cold-hot water machine system, number opened by compressor is rounding of N*X%; If leaving water temperature/return water temperature is less than default start-up temperature T
s-dand be greater than default shutdown temperature T
off, then the ability output percentage obtaining air-cooled heat pump cold-hot water machine system is default minimum output percentage b%, and number opened by compressor is rounding of N*b%, b < a.Further, when leaving water temperature/return water temperature is less than or equal to default shutdown temperature T
offtime, control the compressor Close All in air-cooled heat pump cold-hot water machine system.
In some embodiments of the invention, by rounding only to enter when obtaining compressor unlatching number not give up.
Particularly, if design temperature is T
s, the current environmental temperature of detection is T
h, be then T according to design temperature
swith current environmental temperature T
hselect t between suitable difference d, the first active region
1, t between the second active region
2, maximum output percentage a% and minimum output percentage b%, and according to difference d and design temperature T
sdetermine start-up temperature T
s-d, shut down return difference temperature T
offsetwith temperature controlling range T
2d, as shown in table 1.
Table 1
| Title | Default value | Scope is set |
| Start-up temperature T S-d | 7 | 0-15 |
| Shut down return difference temperature T offset | 2 | 2-5 |
| Temperature controlling range T 2d | 3 | 2-5 |
| T between the first active region 1 | 1 | 1-3 |
| T between the second active region 2 | 1 | 1-3 |
| Minimum output percentage b% | 20％ | 10％-30％ |
| Maximum output percentage a% | 80％ | 70％-90％ |
That is, if according to design temperature T
swith current environmental temperature T
hthe difference d=1.5 selected, t between the first active region
1t between the=1, second active region
2=1, maximum output percentage a%=80% and minimum output percentage b%=20%, then can determine shutdown temperature T
off=5, start-up temperature T
s-d=7, first preset temperature T
s+d=10, the 3rd preset temperature T
sf=11 and the second preset temperature T
smax=12, thus the ability when air-cooled heat pump cold-hot water machine system shown in Fig. 2 that obtains adds unloading exports percentage varies with temperature curve.
The leaving water temperature of the total outlet pipe of real-time detection or the return water temperature of total return pipe, if current leaving water temperature/return water temperature is less than start-up temperature T
s-d, then the whole compressors controlled in air-cooled heat pump cold-hot water machine system are in closed condition, namely control air-cooled heat pump cold-hot water machine system and do not start output; If current leaving water temperature/return water temperature is more than or equal to start-up temperature T
s-d, then control air-cooled heat pump cold-hot water machine system and start output.Thus startup control can be carried out to air-cooled heat pump cold-hot water machine system according to actual needs, avoid meaningless startup and cause electric quantity loss.
In the process controlling air-cooled heat pump cold-hot water machine system startup output, its control logic follows A → B → C → D → E → F → C → B → A → G → H → I, wherein, by the Loading Control process that A → B → C → D → E is air-cooled heat pump cold-hot water machine system, be the Unloading Control process of air-cooled heat pump cold-hot water machine system by E → F → C → B → A → G → H → I.
Specifically, suppose that current leaving water temperature/return water temperature is T
0, then carry out in Loading Control process in air-cooled heat pump cold-hot water machine system: as start-up temperature T
s-d≤ T
0≤ the first preset temperature T
s+dtime, it is X% that the ability of air-cooled heat pump cold-hot water machine system exports percentage, and number opened by compressor is rounding of N*X%; As the first preset temperature T
s+d< T
0< second preset temperature T
smaxtime, it is maximum output percentage a% that the ability of air-cooled heat pump cold-hot water machine system exports percentage, and number opened by compressor is rounding of N*a%; As the second preset temperature T
smax≤ T
0time, the compressor controlled in air-cooled heat pump cold-hot water machine system all starts, and namely the ability of air-cooled heat pump cold-hot water machine system exports is 100%.Carry out in Unloading Control process in air-cooled heat pump cold-hot water machine system: as the 3rd preset temperature T
sf≤ T
0≤ the second preset temperature T
smaxtime, the compressor controlled in air-cooled heat pump cold-hot water machine system all starts; As the first preset temperature T
s+d< T
0< the 3rd preset temperature T
sftime, it is maximum output percentage a% that the ability of air-cooled heat pump cold-hot water machine system exports percentage, and number opened by compressor is rounding of N*a%; As start-up temperature T
s-d≤ T
0≤ the first preset temperature T
s+dtime, it is X% that the ability of air-cooled heat pump cold-hot water machine system exports percentage, and number opened by compressor is rounding of N*X%; As shutdown temperature T
off< T
0< start-up temperature T
s-dtime, it is minimum output percentage b% that the ability of air-cooled heat pump cold-hot water machine system exports percentage, and number opened by compressor is rounding of N*b%.
And work as T
0≤ shutdown temperature T
offtime, control the compressor Close All in air-cooled heat pump cold-hot water machine system, namely control air-cooled heat pump cold-hot water machine system and stop exporting.Thus realize to the leaving water temperature of total outlet pipe continuous, accurately control, avoid controlling high frequent start and stop and producing loss, and control according to user's request real-time, tunable, the startup avoiding compressor meaningless and cause electric quantity loss, and it is excessive effectively to avoid leaving water temperature to fluctuate, and improves Consumer's Experience.
In sum, Unloading Control method is added according to the air-cooled heat pump cold-hot water machine system of the embodiment of the present invention, first current environmental temperature is detected, and export percentage according to current environmental temperature and the design temperature ability obtained when air-cooled heat pump cold-hot water machine system adds unloading and vary with temperature curve, then the leaving water temperature of total outlet pipe or the return water temperature of total return pipe is detected in real time, ability when adding unloading according to leaving water temperature/return water temperature and air-cooled heat pump cold-hot water machine system exports the ability that percentage varies with temperature when curve acquisition air-cooled heat pump cold-hot water machine system adds unloading and exports percentage, and export percentage acquisition compressor unlatching number according to ability, and according to compressor unlatching number, Unloading Control is added to air-cooled heat pump cold-hot water machine system, thus realize the continuous of leaving water temperature, accurate control, namely based on leaving water temperature, determine the demand of user, and then start the quantity of corresponding air-cooled heat pump cold-hot water machine accurately, and adjust in real time, effectively prevent the leaving water temperature caused because postponing to add unloading to fluctuate, improve the experience of user.
Fig. 3 is the block diagram of the air-cooled heat pump cold-hot water machine system according to the embodiment of the present invention.As shown in Figure 3, this air-cooled heat pump cold-hot water machine system comprises: multiple air-cooled heat pump cold-hot water machine 10, first temperature detecting module 20, second temperature detecting module 30 and control module 40.
Wherein, the outlet pipe of each air-cooled heat pump cold-hot water machine is connected to total outlet pipe of air-cooled heat pump cold-hot water machine system respectively, the return pipe of each air-cooled heat pump cold-hot water machine is connected to total return pipe of air-cooled heat pump cold-hot water machine system respectively, is connected in parallel to realize multiple air-cooled heat pump cold-hot water machine.First temperature detecting module 20 is for detecting current environmental temperature, second temperature detecting module 30 is for the return water temperature of the leaving water temperature or total return pipe that detect total outlet pipe in real time, control module 40 exports percentage for ability when adding unloading according to current environmental temperature and design temperature acquisition air-cooled heat pump cold-hot water machine system and varies with temperature curve, and ability when adding unloading according to leaving water temperature/return water temperature and air-cooled heat pump cold-hot water machine system exports the ability that percentage varies with temperature when curve acquisition air-cooled heat pump cold-hot water machine system adds unloading exports percentage, and export percentage acquisition compressor unlatching number according to ability, and according to compressor unlatching number, Unloading Control is added to air-cooled heat pump cold-hot water machine system.
According to a concrete example of the present invention, ability when air-cooled heat pump cold-hot water machine system adds unloading exports percentage and varies with temperature curve as shown in Figure 2, wherein, and T
offfor shutdown temperature, T
s-dfor start-up temperature, T
sfor design temperature, T
s+dbe the first preset temperature, T
sfbe the 3rd preset temperature, T
smaxbe the second preset temperature, and, shutdown temperature T
offwith start-up temperature T
s-dbetween temperature gap T
offsetfor shutting down return difference temperature, start-up temperature T
s-dwith the first preset temperature T
s+dbetween temperature gap T
2dfor temperature controlling range, the first preset temperature T
s+dwith the 3rd preset temperature T
sfbetween temperature gap t
1be between the first active region, the 3rd preset temperature T
sfwith the second preset temperature T
smaxbetween temperature gap t
2be between the second active region, a% is maximum output percentage, and b% is minimum output percentage, and the ability of Ps corresponding to design temperature Ts exports percentage.
According to one embodiment of present invention, when carrying out Loading Control to air-cooled heat pump cold-hot water machine system, wherein, if leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to the first preset temperature T
s+d, control module 40 exports according to ability the ability output percentage X% that percentage varies with temperature curve acquisition air-cooled heat pump cold-hot water machine system, and number opened by compressor is rounding of N*X%, and N is the total quantity of air-cooled heat pump cold-hot water machine; If leaving water temperature/return water temperature is greater than the first preset temperature T
s+dand be less than the second preset temperature T
smax, the ability output percentage that control module 40 obtains air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by compressor is rounding of N*a%; If leaving water temperature/return water temperature is more than or equal to the second preset temperature T
smax, the compressor that control module 40 controls in air-cooled heat pump cold-hot water machine system all starts.
According to one embodiment of present invention, when carrying out Unloading Control to air-cooled heat pump cold-hot water machine system, wherein, if leaving water temperature/return water temperature is less than or equal to the second preset temperature T
smaxand be more than or equal to the 3rd preset temperature T
sf, the compressor that control module 40 controls in air-cooled heat pump cold-hot water machine system all starts; If leaving water temperature/return water temperature is less than the 3rd preset temperature T
sfand be greater than the first preset temperature T
s+d, the ability output percentage that control module 40 obtains air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by compressor is rounding of N*a%, and N is the total quantity of air-cooled heat pump cold-hot water machine; If leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to the first preset temperature T
s+d, control module 40 exports according to ability the ability output percentage X% that percentage varies with temperature curve acquisition air-cooled heat pump cold-hot water machine system, and number opened by compressor is rounding of N*X%; If leaving water temperature/return water temperature is less than default start-up temperature T
s-dand be greater than default shutdown temperature T
off, the ability output percentage that control module 40 obtains air-cooled heat pump cold-hot water machine system is default minimum output percentage b%, and number opened by compressor is rounding of N*b%, b < a.Further, when leaving water temperature/return water temperature is less than or equal to default shutdown temperature T
offtime, control module 40 controls the compressor Close All in air-cooled heat pump cold-hot water machine system.
In some embodiments of the invention, by rounding only to enter when obtaining compressor unlatching number not give up.
Particularly, if design temperature is T
s, the current environmental temperature that the first temperature detecting module 20 detects is T
h, then control module 40 is T according to design temperature
swith current environmental temperature T
hselect t between suitable difference d, the first active region
1, t between the second active region
2, maximum output percentage a% and minimum output percentage b%, and according to difference d and design temperature T
sdetermine start-up temperature T
s-d, shut down return difference temperature T
offsetwith temperature controlling range T
2d, as shown in Table 1 above.
That is, if control module 40 is according to design temperature T
swith current environmental temperature T
hthe difference d=1.5 selected, t between the first active region
1t between the=1, second active region
2=1, maximum output percentage a%=80% and minimum output percentage b%=20%, then control module 40 can determine shutdown temperature T
off=5, start-up temperature T
s-d=7, first preset temperature T
s+d=10, the 3rd preset temperature T
sf=11 and the second preset temperature T
smax=12, thus the ability when air-cooled heat pump cold-hot water machine system shown in Fig. 2 that obtains adds unloading exports percentage varies with temperature curve.
Second temperature detecting module 30 detects the leaving water temperature of total outlet pipe or the return water temperature of total return pipe in real time, if current leaving water temperature/return water temperature is less than start-up temperature T
s-d, then whole compressors that control module 40 controls in air-cooled heat pump cold-hot water machine system are in closed condition, namely control air-cooled heat pump cold-hot water machine system and do not start output; If current leaving water temperature/return water temperature is more than or equal to start-up temperature T
s-d, then control module 40 controls air-cooled heat pump cold-hot water machine system startup output.Thus startup control can be carried out to air-cooled heat pump cold-hot water machine system according to actual needs, avoid meaningless startup and cause electric quantity loss.
Controlling air-cooled heat pump cold-hot water machine system in control module 40 starts in the process exported, its control logic follows A → B → C → D → E → F → C → B → A → G → H → I, wherein, by the Loading Control process that A → B → C → D → E is air-cooled heat pump cold-hot water machine system, be the Unloading Control process of air-cooled heat pump cold-hot water machine system by E → F → C → B → A → G → H → I.
Specifically, suppose that current leaving water temperature/return water temperature is T
0, then carry out in Loading Control process in air-cooled heat pump cold-hot water machine system: as start-up temperature T
s-d≤ T
0≤ the first preset temperature T
s+dtime, the ability output percentage that control module 40 obtains air-cooled heat pump cold-hot water machine system is X%, and number opened by compressor is rounding of N*X%; As the first preset temperature T
s+d< T
0< second preset temperature T
smaxtime, the ability output percentage that control module 40 obtains air-cooled heat pump cold-hot water machine system is maximum output percentage a%, and number opened by compressor is rounding of N*a%; As the second preset temperature T
smax≤ T
0time, the compressor that control module 40 controls in air-cooled heat pump cold-hot water machine system all starts, and namely the ability of air-cooled heat pump cold-hot water machine system exports is 100%.Carry out in Unloading Control process in air-cooled heat pump cold-hot water machine system: as the 3rd preset temperature T
sf≤ T
0≤ the second preset temperature T
smaxtime, the compressor that control module 40 controls in air-cooled heat pump cold-hot water machine system all starts; As the first preset temperature T
s+d< T
0< the 3rd preset temperature T
sftime, the ability output percentage that control module 40 obtains air-cooled heat pump cold-hot water machine system is maximum output percentage a%, and number opened by compressor is rounding of N*a%; As start-up temperature T
s-d≤ T
0≤ the first preset temperature T
s+dtime, the ability output percentage that control module 40 obtains air-cooled heat pump cold-hot water machine system is X%, and number opened by compressor is rounding of N*X%; As shutdown temperature T
off< T
0< start-up temperature T
s-dtime, the ability output percentage that control module 40 obtains air-cooled heat pump cold-hot water machine system is minimum output percentage b%, and number opened by compressor is rounding of N*b%.
And work as T
0≤ shutdown temperature T
offtime, control module 40 controls the compressor Close All in air-cooled heat pump cold-hot water machine system, namely controls air-cooled heat pump cold-hot water machine system and stops exporting.Thus realize to the leaving water temperature of total outlet pipe continuous, accurately control, avoid controlling high frequent start and stop and producing loss, and control according to user's request real-time, tunable, the startup avoiding compressor meaningless and cause electric quantity loss, and it is excessive effectively to avoid leaving water temperature to fluctuate, and improves Consumer's Experience.
According to the air-cooled heat pump cold-hot water machine system of the embodiment of the present invention, first temperature detecting module detects current environmental temperature, second temperature detecting module detects the leaving water temperature of total outlet pipe or the return water temperature of total return pipe in real time, control module exports percentage according to current environmental temperature and the design temperature ability obtained when air-cooled heat pump cold-hot water machine system adds unloading and varies with temperature curve, and ability when adding unloading according to leaving water temperature/return water temperature and air-cooled heat pump cold-hot water machine system exports the ability that percentage varies with temperature when curve acquisition air-cooled heat pump cold-hot water machine system adds unloading exports percentage, and export percentage acquisition compressor unlatching number according to ability, and according to compressor unlatching number, Unloading Control is added to air-cooled heat pump cold-hot water machine system, thus realize the continuous of leaving water temperature, accurate control, namely based on leaving water temperature, determine the demand of user, and then start the quantity of corresponding air-cooled heat pump cold-hot water machine accurately, and adjust in real time, effectively prevent the leaving water temperature caused because postponing to add unloading to fluctuate, improve the experience of user.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. an air-cooled heat pump cold-hot water machine system add Unloading Control method, it is characterized in that, described air-cooled heat pump cold-hot water machine system comprises multiple air-cooled heat pump cold-hot water machine, wherein, the outlet pipe of each air-cooled heat pump cold-hot water machine is connected to total outlet pipe of described air-cooled heat pump cold-hot water machine system respectively, the return pipe of each air-cooled heat pump cold-hot water machine is connected to total return pipe of described air-cooled heat pump cold-hot water machine system respectively, be connected in parallel to realize described multiple air-cooled heat pump cold-hot water machine, described in add Unloading Control method and comprise the following steps:
Detect current environmental temperature, and export percentage according to described current environmental temperature and the design temperature ability obtained when described air-cooled heat pump cold-hot water machine system adds unloading and vary with temperature curve;
The leaving water temperature of the described total outlet pipe of real-time detection or the return water temperature of described total return pipe;
Ability when adding unloading according to described leaving water temperature/return water temperature and described air-cooled heat pump cold-hot water machine system exports the ability that percentage varies with temperature when air-cooled heat pump cold-hot water machine system described in curve acquisition adds unloading and exports percentage, and exports percentage according to described ability and obtain compressor and open number; And
Open number according to described compressor and Unloading Control is added to described air-cooled heat pump cold-hot water machine system.
2. air-cooled heat pump cold-hot water machine system according to claim 1 add Unloading Control method, it is characterized in that, when carrying out Loading Control to described air-cooled heat pump cold-hot water machine system, wherein,
If described leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to the first preset temperature T
s+d, then export according to described ability the ability output percentage X% that percentage varies with temperature air-cooled heat pump cold-hot water machine system described in curve acquisition, number opened by described compressor is rounding of N*X%, and N is the total quantity of air-cooled heat pump cold-hot water machine;
If described leaving water temperature/return water temperature is greater than described first preset temperature T
s+dand be less than the second preset temperature T
smax, then the ability output percentage obtaining described air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by described compressor is rounding of N*a%;
If described leaving water temperature/return water temperature is more than or equal to described second preset temperature T
smax, then the compressor controlled in described air-cooled heat pump cold-hot water machine system all starts.
3. air-cooled heat pump cold-hot water machine system according to claim 1 add Unloading Control method, it is characterized in that, when carrying out Unloading Control to described air-cooled heat pump cold-hot water machine system, wherein,
If described leaving water temperature/return water temperature is less than or equal to the second preset temperature T
smaxand be more than or equal to the 3rd preset temperature T
sf, then the compressor controlled in described air-cooled heat pump cold-hot water machine system all starts;
If described leaving water temperature/return water temperature is less than described 3rd preset temperature T
sfand be greater than the first preset temperature T
s+d, then the ability output percentage obtaining described air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by described compressor is rounding of N*a%, and N is the total quantity of air-cooled heat pump cold-hot water machine;
If described leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to described first preset temperature T
s+d, then export according to described ability the ability output percentage X% that percentage varies with temperature air-cooled heat pump cold-hot water machine system described in curve acquisition, number opened by described compressor is rounding of N*X%;
If described leaving water temperature/return water temperature is less than described default start-up temperature T
s-dand be greater than default shutdown temperature T
off, then the ability output percentage obtaining described air-cooled heat pump cold-hot water machine system is default minimum output percentage b%, and number opened by described compressor is rounding of N*b%, b < a.
4. air-cooled heat pump cold-hot water machine system according to claim 3 add Unloading Control method, it is characterized in that, when described leaving water temperature/return water temperature is less than or equal to described default shutdown temperature T
offtime, control the compressor Close All in described air-cooled heat pump cold-hot water machine system.
5. the air-cooled heat pump cold-hot water machine system according to Claims 2 or 3 add Unloading Control method, it is characterized in that, only enter during by rounding to obtain described compressor and opening number and do not give up.
6. an air-cooled heat pump cold-hot water machine system, is characterized in that, comprising:
Multiple air-cooled heat pump cold-hot water machine, the outlet pipe of each air-cooled heat pump cold-hot water machine is connected to total outlet pipe of described air-cooled heat pump cold-hot water machine system respectively, the return pipe of each air-cooled heat pump cold-hot water machine is connected to total return pipe of described air-cooled heat pump cold-hot water machine system respectively, is connected in parallel to realize described multiple air-cooled heat pump cold-hot water machine;
First temperature detecting module, for detecting current environmental temperature;
Second temperature detecting module, for the return water temperature of the leaving water temperature or described total return pipe that detect described total outlet pipe in real time;
Control module, export percentage for the ability obtained according to described current environmental temperature and design temperature when described air-cooled heat pump cold-hot water machine system adds unloading and vary with temperature curve, and ability when adding unloading according to described leaving water temperature/return water temperature and described air-cooled heat pump cold-hot water machine system exports the ability that percentage varies with temperature when air-cooled heat pump cold-hot water machine system described in curve acquisition adds unloading exports percentage, and export percentage acquisition compressor unlatching number according to described ability, and according to described compressor unlatching number, Unloading Control is added to described air-cooled heat pump cold-hot water machine system.
7. air-cooled heat pump cold-hot water machine system according to claim 6, is characterized in that, when carrying out Loading Control to described air-cooled heat pump cold-hot water machine system, wherein,
If described leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to the first preset temperature T
s+ddescribed control module then exports according to described ability the ability output percentage X% that percentage varies with temperature air-cooled heat pump cold-hot water machine system described in curve acquisition, number opened by described compressor is rounding of N*X%, and N is the total quantity of air-cooled heat pump cold-hot water machine;
If described leaving water temperature/return water temperature is greater than described first preset temperature T
s+dand be less than the second preset temperature T
smax, the ability output percentage that described control module then obtains described air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by described compressor is rounding of N*a%;
If described leaving water temperature/return water temperature is more than or equal to described second preset temperature T
smax, the compressor that described control module then controls in described air-cooled heat pump cold-hot water machine system all starts.
8. air-cooled heat pump cold-hot water machine system according to claim 6, is characterized in that, when carrying out Unloading Control to described air-cooled heat pump cold-hot water machine system, wherein,
If described leaving water temperature/return water temperature is less than or equal to the second preset temperature T
smaxand be more than or equal to the 3rd preset temperature T
sf, the compressor that described control module then controls in described air-cooled heat pump cold-hot water machine system all starts;
If described leaving water temperature/return water temperature is less than described 3rd preset temperature T
sfand be greater than the first preset temperature T
s+d, the ability output percentage that described control module then obtains described air-cooled heat pump cold-hot water machine system is default maximum output percentage a%, and number opened by described compressor is rounding of N*a%, and N is the total quantity of air-cooled heat pump cold-hot water machine;
If described leaving water temperature/return water temperature is more than or equal to default start-up temperature T
s-dand be less than or equal to described first preset temperature T
s+d, described control module then exports according to described ability the ability output percentage X% that percentage varies with temperature air-cooled heat pump cold-hot water machine system described in curve acquisition, and number opened by described compressor is rounding of N*X%;
If described leaving water temperature/return water temperature is less than described default start-up temperature T
s-dand be greater than default shutdown temperature T
off, the ability output percentage that described control module then obtains described air-cooled heat pump cold-hot water machine system is default minimum output percentage b%, and number opened by described compressor is rounding of N*b%, b < a.
9. air-cooled heat pump cold-hot water machine system according to claim 8, is characterized in that, when described leaving water temperature/return water temperature is less than or equal to described default shutdown temperature T
offtime, described control module controls the compressor Close All in described air-cooled heat pump cold-hot water machine system.
10. the air-cooled heat pump cold-hot water machine system according to claim 7 or 8, is characterized in that, does not give up by rounding only to enter when obtaining described compressor unlatching number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510477833.1A CN105042938B (en) | 2015-08-06 | 2015-08-06 | Air-cooled heat pump cold-hot water machine system and its plus Unloading Control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510477833.1A CN105042938B (en) | 2015-08-06 | 2015-08-06 | Air-cooled heat pump cold-hot water machine system and its plus Unloading Control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105042938A true CN105042938A (en) | 2015-11-11 |
| CN105042938B CN105042938B (en) | 2018-01-02 |
Family
ID=54449697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510477833.1A Active CN105042938B (en) | 2015-08-06 | 2015-08-06 | Air-cooled heat pump cold-hot water machine system and its plus Unloading Control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105042938B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534394A (en) * | 2018-04-03 | 2018-09-14 | 安徽郁金香新能源科技有限公司 | A kind of earth source heat pump two-shipper group adds unloading team control optimal control method |
| CN108626923A (en) * | 2017-03-15 | 2018-10-09 | 约克广州空调冷冻设备有限公司 | A kind of control structure and control method of air-conditioning system |
| CN109489199A (en) * | 2018-11-08 | 2019-03-19 | 珠海格力电器股份有限公司 | Control method, device and system of air conditioning system and storage medium |
| CN110068107A (en) * | 2019-04-08 | 2019-07-30 | 广东纽恩泰新能源科技发展有限公司 | A kind of modularity control method |
| CN110513930A (en) * | 2019-09-05 | 2019-11-29 | 四川长虹空调有限公司 | Net for air-source heat pump units frequency-changeable compressor adding and subtracting load control method |
| CN110686381A (en) * | 2019-10-15 | 2020-01-14 | 广东美的暖通设备有限公司 | Air conditioner control method and device and computer readable storage medium |
| CN111121219A (en) * | 2019-12-28 | 2020-05-08 | 维克（天津）有限公司 | Air-cooled module machine loading and unloading control mode |
| CN117739566A (en) * | 2024-01-04 | 2024-03-22 | 宁波奥克斯电气股份有限公司 | Backup control method and device of water chilling unit and water chilling unit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1534259A (en) * | 2003-03-31 | 2004-10-06 | 上海百富勤空调设备有限公司 | Fuzzy control method of screw refrygerating compressor energy |
| CN2687557Y (en) * | 2004-02-16 | 2005-03-23 | 烟台蓝德空调工业科技有限公司 | Ambient temperature compensating control system for heat pump set |
| JP2013199251A (en) * | 2012-03-26 | 2013-10-03 | Denso Corp | Air-conditioning system for vehicle |
| CN104406339A (en) * | 2013-11-12 | 2015-03-11 | 江苏春兰动力制造有限公司 | Continuative energy regulation control method of single-screw compressor |
| CN104457069A (en) * | 2013-09-24 | 2015-03-25 | 江森自控空调冷冻设备(无锡)有限公司 | Capacity regulating method for refrigerating system |
| CN104566837A (en) * | 2015-02-02 | 2015-04-29 | 珠海格力电器股份有限公司 | Air conditioning unit loading control method and system |
| CN104748308A (en) * | 2015-03-30 | 2015-07-01 | 南京天加空调设备有限公司 | Control method for loading and load shedding of optimized module machine system |
-
2015
- 2015-08-06 CN CN201510477833.1A patent/CN105042938B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1534259A (en) * | 2003-03-31 | 2004-10-06 | 上海百富勤空调设备有限公司 | Fuzzy control method of screw refrygerating compressor energy |
| CN2687557Y (en) * | 2004-02-16 | 2005-03-23 | 烟台蓝德空调工业科技有限公司 | Ambient temperature compensating control system for heat pump set |
| JP2013199251A (en) * | 2012-03-26 | 2013-10-03 | Denso Corp | Air-conditioning system for vehicle |
| CN104457069A (en) * | 2013-09-24 | 2015-03-25 | 江森自控空调冷冻设备(无锡)有限公司 | Capacity regulating method for refrigerating system |
| CN104406339A (en) * | 2013-11-12 | 2015-03-11 | 江苏春兰动力制造有限公司 | Continuative energy regulation control method of single-screw compressor |
| CN104566837A (en) * | 2015-02-02 | 2015-04-29 | 珠海格力电器股份有限公司 | Air conditioning unit loading control method and system |
| CN104748308A (en) * | 2015-03-30 | 2015-07-01 | 南京天加空调设备有限公司 | Control method for loading and load shedding of optimized module machine system |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626923A (en) * | 2017-03-15 | 2018-10-09 | 约克广州空调冷冻设备有限公司 | A kind of control structure and control method of air-conditioning system |
| CN108626923B (en) * | 2017-03-15 | 2021-10-22 | 约克广州空调冷冻设备有限公司 | Control structure and control method of air conditioning system |
| CN108534394A (en) * | 2018-04-03 | 2018-09-14 | 安徽郁金香新能源科技有限公司 | A kind of earth source heat pump two-shipper group adds unloading team control optimal control method |
| CN109489199A (en) * | 2018-11-08 | 2019-03-19 | 珠海格力电器股份有限公司 | Control method, device and system of air conditioning system and storage medium |
| CN110068107A (en) * | 2019-04-08 | 2019-07-30 | 广东纽恩泰新能源科技发展有限公司 | A kind of modularity control method |
| CN110068107B (en) * | 2019-04-08 | 2021-04-13 | 广东纽恩泰新能源科技发展有限公司 | Modular control method |
| CN110513930A (en) * | 2019-09-05 | 2019-11-29 | 四川长虹空调有限公司 | Net for air-source heat pump units frequency-changeable compressor adding and subtracting load control method |
| CN110513930B (en) * | 2019-09-05 | 2021-07-13 | 四川长虹空调有限公司 | Loading and unloading control method for variable-frequency compressor of air source heat pump unit |
| CN110686381A (en) * | 2019-10-15 | 2020-01-14 | 广东美的暖通设备有限公司 | Air conditioner control method and device and computer readable storage medium |
| CN111121219A (en) * | 2019-12-28 | 2020-05-08 | 维克（天津）有限公司 | Air-cooled module machine loading and unloading control mode |
| CN117739566A (en) * | 2024-01-04 | 2024-03-22 | 宁波奥克斯电气股份有限公司 | Backup control method and device of water chilling unit and water chilling unit |
| CN117739566B (en) * | 2024-01-04 | 2024-09-03 | 宁波奥克斯电气股份有限公司 | Backup control method and device of water chilling unit and water chilling unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105042938B (en) | 2018-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105042938A (en) | Air-cooled heat pump hot and cold water dispenser system and loading and unloading control method thereof | |
| CN105042787A (en) | Method and system for controlling compressor in air-cooled heat pump water chilling and heating machine | |
| CN103868299B (en) | The fine adjustment control method of electric expansion valve and system | |
| CN103486689B (en) | The control method of air-conditioner and device | |
| CN204629853U (en) | Air-to-water heat pump and control device thereof | |
| CN101968249A (en) | Method for regulating normal operating frequency of DC inverter compressor | |
| CN105091204A (en) | Control method of multi-split system | |
| CN111692721A (en) | Control method for air conditioning system | |
| CN103486782B (en) | Refrigeration plant and defrosting control method thereof | |
| CN102338075A (en) | Performance test device and test method for refrigeration compressor | |
| EP3553423B1 (en) | Method for detecting refrigerant leakage of air source heat pump system and such air source heat pump system | |
| CN105509261A (en) | Air conditioner and control method for air conditioner | |
| CN103868321A (en) | Refrigerator control method and refrigerator | |
| CN103900300B (en) | Air-conditioner and control method thereof | |
| CN103982951A (en) | Multi-split air conditioning outdoor unit and control method thereof | |
| CN113062874A (en) | Automatic control system for slurry amount of wet desulphurization slurry circulating pump | |
| CN110736234A (en) | Air conditioner control method and device and air conditioner | |
| CN102207323A (en) | Automatic regulating apparatus and method of refrigerant amount of air conditioner | |
| CN103671050B (en) | Compressor liquid spraying control method and device and air conditioning system | |
| CN105299988A (en) | Air-cooled heat pump water cooling and heating machine and high voltage protection preventing method for air-cooled heat pump water cooling and heating machine | |
| CN103307710A (en) | Air conditioner starting method | |
| CN105241141A (en) | Air cooled heat pump water chiller-heater unit and defrosting control method thereof | |
| CN103574953B (en) | Many temperature heat-exchange system that a kind of single compressed machine refrigerant controls | |
| CN105571079A (en) | Control method and control system during coping with indoor unit capacity change by multi-connected outdoor unit | |
| CN107606861A (en) | Adjustable defrosting control method, control system and equipment and readable storage medium storing program for executing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |