CN105783328A - Mixed cold source hybrid power refrigerating system and control method thereof - Google Patents
Mixed cold source hybrid power refrigerating system and control method thereof Download PDFInfo
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- CN105783328A CN105783328A CN201610278126.4A CN201610278126A CN105783328A CN 105783328 A CN105783328 A CN 105783328A CN 201610278126 A CN201610278126 A CN 201610278126A CN 105783328 A CN105783328 A CN 105783328A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/027—Condenser control arrangements
Abstract
The invention discloses a mixed cold source hybrid power refrigerating system and a control method thereof. The system comprises an indoor control module arranged indoors, and an outdoor control module arranged outdoors. The indoor control module comprises an indoor evaporator, a compressor connected with an outlet of the indoor evaporator, a flow control valve connected with an inlet of the indoor evaporator, an indoor draught fan used in cooperation with the indoor evaporator, and a first control part. The outdoor control module comprises a first outdoor condenser, a second outdoor condenser, an outdoor draught fan, a second control part and a refrigerant pump, wherein the first outdoor condenser and the second outdoor condenser are connected with the indoor control module, the outdoor draught fan is used in cooperation with the second outdoor evaporator, and the second control part is connected with the first outdoor condenser and the second outdoor condenser. The first control part is in communication connection with the second control part. According to the mixed cold source hybrid power refrigerating system and the control method thereof, different cooling manners can be automatically selected under different environment temperatures to enhance the energy saving effect of the system, and meanwhile the application requirements of areas under different weather conditions can be met.
Description
[technical field]
The present invention relates to refrigerating field, particularly relate to a kind of hybrid power refrigeration system mixing low-temperature receiver and control method thereof.
[background technology]
Currently, in many hybrid power refrigeration systems, relate only to the single type of cooling, such as air-cooled condensing mode or water-cooled condensing mode, and control method corresponding to its system be also only suitable for corresponding condensing mode.It is disadvantageous in that, the single type of cooling cannot meet zones of different requirement, such as: individually adopt the hybrid power refrigeration system of air-cooled condensing mode cannot play energy-conserving action under the temperature ambient temperature higher than 20 degrees Celsius, therefore this kind of hybrid power refrigeration system is mainly used in the North of Huai River area, the Qinling Mountains of regional；And individually adopt water-cooled condensing mode hybrid power refrigeration system cannot temperature lower than 0 degree Celsius when normally use, therefore this kind of hybrid power refrigeration system is mainly used in Huaihe River, the Qinling Mountains areas to the south of regional.Therefore, the poor universality of single type of cooling hybrid power refrigeration system, and the energy-saving effect of system is not good.
[summary of the invention]
The technical problem to be solved in the present invention is in that, for the defect of prior art, it is provided that a kind of hybrid power refrigeration system mixing low-temperature receiver and control method thereof.
First aspect according to embodiments of the present invention, solves the hybrid power refrigeration system of the mixing low-temperature receiver that its technical problem adopts, including being arranged at the indoor control module of indoor and being arranged at the outdoor control module of outdoor；
Compressor, the flow control valve being connected with described indoor evaporator entrance and the described indoor evaporator that described indoor control module includes indoor evaporator, be connected with the outlet of described indoor evaporator with the use of indoor fan and the first control portion；
Described outdoor control module include the first outdoor condenser of being connected with described indoor control module and the second outdoor condenser, with the described second outdoor condenser with the use of outdoor fan, the second control portion and refrigerated medium pump of being all connected with the described first outdoor condenser and described second outdoor condenser；The outlet of described refrigerated medium pump is connected with described flow control valve, and described first control portion and described second control portion are connected by communication；
Described first control portion is connected with described compressor, described flow control valve and described indoor fan, for controlling the variable of the target superheat degree preset according to indoor refrigeration demand；Outlet superheat degree according to described indoor evaporator (10) controls the aperture of described flow control valve；Start and stop and/or the volume output of described compressor is controlled according to indoor refrigeration demand；
Described second control portion is connected with described outdoor fan and described refrigerated medium pump, for controlling the described first outdoor condenser and the start and stop of the described second outdoor condenser according to outdoor environment temperature；Outlet pressure according to the described first outdoor condenser and/or the described second outdoor condenser controls the described first outdoor condenser and the output of the described second outdoor condenser；Aperture according to described flow control valve controls the volume output of described refrigerated medium pump.
Preferably, the described first outdoor condenser is connected with the described second outdoor condenser, and the refrigerant inlet end after both series connection is connected with described compressor outlet, and refrigerant exit end is connected with described refrigerated medium pump entrance.
Preferably, the described first outdoor condenser is shell-tube type water-cooled condenser, and the described second outdoor condenser is air-cooled condenser；
Described second control portion realizes start and stop and the output of the outdoor condenser of control described first by the flow of the cooling water in the heat-transfer pipe pipe of the outdoor condenser of control described first or outside pipe；
Described second control portion realizes controlling start and stop and the output of the described second outdoor condenser by the start and stop or rotating speed controlling outdoor fan.
Preferably, the hybrid power refrigeration system of described mixing low-temperature receiver also includes the one-way conduction valve that is arranged in parallel with described compressor and/or described refrigerated medium pump.
Preferably, the hybrid power refrigeration system of described mixing low-temperature receiver also includes the by-pass line that is arranged in parallel with described first outdoor condenser.
Second aspect according to embodiments of the present invention, also provides for the control method of a kind of hybrid power refrigeration system mixing low-temperature receiver, including:
The following steps that first control portion performs:
S101: obtain indoor refrigeration demand, and control the variable of the target superheat degree preset according to described indoor refrigeration demand；
S102: obtain the outlet superheat degree of indoor evaporator the aperture of the outlet superheat degree described flow control valve of control according to described indoor evaporator；
S103: control start and stop and/or the volume output of compressor according to described indoor refrigeration demand；
Also include the following steps that the second control portion performs:
S201: obtain outdoor environment temperature, and control the first outdoor condenser and the start and stop of the second outdoor condenser according to described outdoor environment temperature；
S202: obtain the described first outdoor condenser and/or the outlet pressure of the described second outdoor condenser, and the outlet pressure according to the described first outdoor condenser and/or the described second outdoor condenser controls the described first outdoor condenser and the output of the described second outdoor condenser；
S203: obtain the aperture of flow control valve the volume output of the aperture described refrigerated medium pump of control according to described flow control valve.
Preferably, the described first outdoor condenser is shell-tube type water-cooled condenser, and the described second outdoor condenser is air-cooled condenser；
Described second control portion realizes start and stop and/or the output of the outdoor condenser of control described first by the flow of the cooling water in the heat-transfer pipe pipe of the outdoor condenser of control described first or outside pipe；
Described second control portion realizes controlling start and stop and/or the output of the described second outdoor condenser by the start and stop or rotating speed controlling outdoor fan.
Preferably, described step S201 includes: obtains outdoor environment temperature, and judges that whether described outdoor environment temperature is beyond presetting ambient temperature range；If described outdoor environment temperature is not out described default ambient temperature range, then control described first outdoor condenser startup work, and control the described second outdoor condenser and quit work；If described outdoor environment temperature is higher than the maximum of described default ambient temperature range, then controls the described first outdoor condenser and the described second outdoor condenser starts simultaneously and works；If described outdoor environment temperature is lower than the minima of described default ambient temperature range, then control described second outdoor condenser startup work, and control the described first outdoor condenser and quit work.
Preferably, described step S202 includes: obtain the described first outdoor condenser and/or the outlet pressure of the described second outdoor condenser, and judge that whether the outlet pressure of described first outdoor condenser and/or the described second outdoor condenser is beyond the pressure threshold scope preset: if the outlet pressure of the described first outdoor condenser and/or the described second outdoor condenser is not out described default pressure threshold scope, then maintain that the flow of inlet water of the cooling water of the described first outdoor condenser is constant and/or to maintain the rotating speed of described outdoor fan constant；If the outlet pressure of the described first outdoor condenser and/or the described second outdoor condenser is more than the maximum of described default pressure threshold scope, then increases the flow of inlet water of the cooling water of the described first outdoor condenser and/or increase the rotating speed of described outdoor fan；If the outlet pressure of the described first outdoor condenser and/or the described second outdoor condenser is less than the minima of described default pressure threshold scope, then reduces the flow of inlet water of the cooling water of the described first outdoor condenser and/or reduce the rotating speed of described outdoor fan；
And/or
Described step S203 includes: obtain the aperture of flow control valve, and judge whether the aperture of described flow control valve exceeds the aperture threshold range preset: if the aperture of described flow control valve is not out described aperture threshold range, then maintain the volume output of described refrigerated medium pump；If the aperture of described flow control valve is more than the maximum of described aperture threshold range, then increase the volume output of described refrigerated medium pump；If the aperture of described flow control valve is less than the minima of described aperture threshold range, then reduce the volume output of described refrigerated medium pump.
Preferably, described step S101 includes: obtains indoor environment temperature, and described indoor environment temperature and default cryogenic temperature value is compared, and calculates both temperature gaps to determine described indoor refrigeration demand；Judge that whether described indoor refrigeration demand is beyond the refrigeration threshold range preset: if described indoor refrigeration demand is within described refrigeration threshold range, then the target superheat degree maintaining current preset is constant；If described indoor refrigeration demand is more than the maximum of described refrigeration threshold range, then reduce the target superheat degree of current preset；If described indoor refrigeration demand is less than the minima of described refrigeration threshold range, then improve the target superheat degree of current preset；
And/or
Described step S102 includes: obtains the first outlet temperature and/or first outlet pressure of indoor evaporator outlet, calculates the outlet superheat degree to determine described indoor evaporator；Judge that whether the outlet superheat degree of described indoor evaporator is beyond the degree of superheat threshold range preset: if the outlet superheat degree of described indoor evaporator is within described degree of superheat threshold range, then the aperture maintaining described flow control valve is constant；If the outlet superheat degree of described indoor evaporator is more than described degree of superheat threshold range maximum, then increase the aperture of described flow control valve；If the outlet superheat degree of described indoor evaporator is less than the minima of described degree of superheat threshold range, then turn down the aperture of described flow control valve；
And/or
Described step S103 includes: judge that whether described indoor refrigeration demand is beyond the refrigeration threshold range preset: if described indoor refrigeration demand is within described refrigeration threshold range, then maintain the volume output of described compressor；If described indoor refrigeration demand is more than the maximum of described refrigeration threshold range, then controls described compressor start or increase the volume output of described compressor；If described indoor refrigeration demand is less than the minima of described refrigeration threshold range, then control the volume output that described compressor quits work or reduces variable conpacitance compressor.
The technical scheme that the embodiment of the present invention provides can produce following beneficial effect: implements the present invention, the different types of cooling can be utilized to realize the refrigeration under different situations, such as, the different type of cooling (such as the refrigeration mode of the single or mixing of the types of cooling such as air-cooled condensation or water-cooled condensation) is selected according to outdoor ambient temperature, and then realize under different ambient temperatures, automatically selecting the different types of cooling to promote the energy-saving effect of system, also can meet the application requirement in the region of Different climate condition simultaneously.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention.The purpose of the present invention and other advantages can be realized by structure specifically noted in the description write, claims and accompanying drawing and be obtained.
Below by drawings and Examples, technical scheme is described in further detail.
[accompanying drawing explanation]
Fig. 1 is a structural representation of the hybrid power refrigeration system mixing low-temperature receiver in the embodiment of the present invention 1.
Fig. 2 is another structural representation of the hybrid power refrigeration system mixing low-temperature receiver in the embodiment of the present invention 1.
Fig. 3 is another structural representation of the hybrid power refrigeration system mixing low-temperature receiver in the embodiment of the present invention 1.
Fig. 4 is another structural representation of the hybrid power refrigeration system mixing low-temperature receiver in the embodiment of the present invention 1.
Fig. 5 is another structural representation of the hybrid power refrigeration system mixing low-temperature receiver in the embodiment of the present invention 1.
Fig. 6 is another structural representation of the hybrid power refrigeration system mixing low-temperature receiver in the embodiment of the present invention 1.
Fig. 7 is another structural representation of the hybrid power refrigeration system mixing low-temperature receiver in the embodiment of the present invention 1.
Fig. 8 is the flow chart of the control method of the hybrid power refrigeration system mixing low-temperature receiver in the embodiment of the present invention 2.
In figure: 1, indoor control module；2, outdoor control module；10, indoor evaporator；11, compressor；12, flow control valve；13, indoor fan；14, the first control portion；15, the second control portion；16, the first outdoor condenser；17, the second outdoor condenser；18, outdoor fan；19, refrigerated medium pump；20, one-way conduction valve；21, by-pass line；22, water pump；23, cooling tower.
[detailed description of the invention]
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Embodiment 1
Fig. 1 to Fig. 7 illustrates the hybrid power refrigeration system of the mixing low-temperature receiver in the present embodiment.The hybrid power refrigeration system of this mixing low-temperature receiver includes the indoor control module 1 being arranged at indoor and the outdoor control module 2 being arranged at outdoor；Compressor 11, the flow control valve 12 being connected with indoor evaporator 10 entrance and the indoor evaporator 10 that indoor control module 1 includes indoor evaporator 10, be connected with indoor evaporator 10 outlet with the use of indoor fan 13 and the first control portion 14.It is to be appreciated that the first control portion 14 adopts PID control method or P control method；Compressor 11 can be constant volume compressor 11 or variable conpacitance compressor 11.Described refrigerated medium pump 19 is varying capacity refrigerated medium pump.Specifically, the first control portion 14 is connected with compressor 11, flow control valve 12 and indoor fan 13, for controlling the variable of the target superheat degree preset according to indoor refrigeration demand；Outlet superheat degree according to indoor evaporator 10 controls the aperture of flow control valve 12；Start and stop and/or the volume output of compressor 11 is controlled according to indoor refrigeration demand.Outdoor control module 2 include the first outdoor condenser 16 of being connected with indoor control module 1 and the second outdoor condenser 17, with the second outdoor condenser 17 with the use of outdoor fan 18, the second control portion 15 being all connected with the first outdoor condenser 16 and the second outdoor condenser 17 and refrigerated medium pump 19；Refrigerated medium pump 19 exports and is connected with flow control valve 12, and the first control portion 14 and the second control portion 15 are connected by communication；Specifically, the second control portion 15 is connected with outdoor fan 18 and refrigerated medium pump 19, for controlling the start and stop of the first outdoor condenser 16 and the second outdoor condenser 17 according to outdoor environment temperature；Outlet pressure according to the first outdoor condenser 16 and/or the second outdoor condenser 17 controls the output of the first outdoor condenser 16 and the second outdoor condenser 17；Aperture according to flow control valve 12 controls the volume output of refrigerated medium pump 19.It is to be appreciated that the second control portion 15 adopts PID control method or P control method.Refrigerated medium pump 19, as the power exporting to indoor evaporator 10 entrance of the first outdoor condenser 16 and the second outdoor condenser 17, coordinates flow control valve 12 with the flow of balanced system cooling system, i.e. indoor refrigeration demand；When flow control valve 12 aperture is close to or up time maximum, refrigeration system can not meet refrigeration system necessary flow, controls the volume output of refrigerated medium pump 19 according to the aperture of flow control valve 12, to reach energy-saving effect.
In certain embodiments, as shown in Figures 1 to 5, the first outdoor condenser 16 is connected with the second outdoor condenser 17, and the refrigerant inlet end after both series connection is connected with compressor 11 outlet, and refrigerant exit end is connected with refrigerated medium pump 19 entrance.Intelligible, the order that the first outdoor condenser 16 and the second outdoor condenser 17 are connected in series can be exchanged as required；As it is shown in figure 1, the refrigerant inlet end of the first outdoor condenser 16 is connected with compressor 11 outlet after both series connection, and the refrigerant exit end of the second outdoor condenser 17 is connected with refrigerated medium pump 19 entrance.And in fig. 2, after both series connection, the refrigerant inlet end of the second outdoor condenser 17 is connected with compressor 11 outlet, and the refrigerant exit end of the first outdoor condenser 16 is connected with refrigerated medium pump 19 entrance.As preferably, the first outdoor condenser 16 is shell-tube type water-cooled condenser, and the second outdoor condenser 17 is air-cooled condenser；Second control portion 14 realizes start and stop and the output of the outdoor condenser 16 of control first by the flow of the cooling water in the heat-transfer pipe pipe of the outdoor condenser 16 of control first or outside pipe；Second control portion 14 realizes controlling start and stop and the output of the second outdoor condenser 17 by the start and stop or rotating speed controlling outdoor fan 18.In certain embodiments, as shown in Figures 1 to 5, when the first outdoor condenser 16 be shell-tube type water-cooled condenser, coolant circulate in the pipe of heat exchanger tube or pipe outward, as long as the effect of heat exchange can be reached.
And in certain embodiments, as shown in FIG. 6 and 7, first outdoor condenser 16 can be connected to indoor control module 1 with the second outdoor condenser 17 after in parallel, and in indoor control module 1, correspondence can adjust the quantity of indoor evaporator 10, compressor 11, flow control valve 12, indoor fan 13 as required, and be controlled by the first control portion 14；Correspondence can also adjust the quantity of the first outdoor outdoor condenser 17 of condenser 16, second, outdoor fan 18, refrigerated medium pump 19 as required in outdoor control module 2 simultaneously, and be controlled by the second control portion 15；And in the process, the first outdoor condenser 16 can also be adjusted according to demand with the use of quantity and the connected mode thereof of water pump 22 with cooling tower 23 to control cooling water flow.
In certain embodiments, as shown in Figures 4 and 5, the hybrid power refrigeration system mixing low-temperature receiver also includes the one-way conduction valve 20 that is arranged in parallel with compressor 11 and/or refrigerated medium pump 19.Understandably, the setting of one-way conduction valve 20 can the conducting when system is without using compressor 11 and/or refrigerated medium pump 19, making coolant either directly through one-way conduction valve 20 thus being avoided by compressor 11 and/or refrigerated medium pump 19, causing that resistance increases, and then causing energy waste.
In certain embodiments, as shown in Figure 6, the by-pass line 21 that the hybrid power refrigeration system of low-temperature receiver also includes being arranged in parallel is mixed with the first outdoor condenser 16.It is to be appreciated that by-pass line 21 can the utilization rate of the first outdoor condenser 16 in systems reach certain predetermined threshold value (such as 30%-50%) below time conducting；The conducting of by-pass line 21 makes the major part in coolant circulate either directly through by-pass line 21 thus being avoided by the first outdoor condenser 16, causes that resistance increases, and then causes energy waste.In certain embodiments, the circulation area of the caliber of by-pass line 21 is preferably the 10%-30% of the circulation area of main drive tube.
Implement the present invention, the different types of cooling can be utilized to realize the refrigeration under different situations, such as, the different types of cooling can be selected according to outdoor ambient temperature, as: the refrigeration mode of the single or mixing of the types of cooling such as air-cooled condensation or water-cooled condensation, and then realize under different ambient temperatures, automatically selecting the different types of cooling to promote the energy-saving effect of system, also can meet the application requirement in the region of Different climate condition simultaneously.
Embodiment 2
Fig. 8 illustrates the control method of the hybrid power refrigeration system of the mixing low-temperature receiver in the present embodiment.The control method of the hybrid power refrigeration system of this mixing low-temperature receiver is corresponding to the hybrid power refrigeration system of the mixing low-temperature receiver in above example 1, and the control method of the hybrid power refrigeration system of this mixing low-temperature receiver includes:
The following steps that first control portion 14 performs:
S101: obtain indoor refrigeration demand CFr, and control the variable of the target superheat degree SHset preset according to indoor refrigeration demand CFr.
In certain embodiments, step S101 includes: obtains indoor environment temperature T1, and is compared by indoor environment temperature T1 and default cryogenic temperature value Tset1, calculates both temperature gaps to determine indoor refrigeration demand CFr.Judge that whether indoor refrigeration demand CFr is beyond the refrigeration threshold range (Cfset ± error) preset again: if indoor refrigeration demand CFr is within refrigeration threshold range, namely, as Cfset+error >=CFr >=Cfset-error, then the target superheat degree SHset maintaining current preset is constant；If indoor refrigeration demand CFr is more than the maximum of refrigeration threshold range, that is, as CFr > Cfset+error, then reduce the target superheat degree SHset of current preset；If indoor refrigeration demand CFr is less than the minima of refrigeration threshold range, that is, as CFr < Cfset-error, then improve the target superheat degree SHset of current preset.
S102: obtain the outlet superheat degree SHr of indoor evaporator 10 aperture of the outlet superheat degree SHr control flow control valve 12 according to indoor evaporator 10.
Step S102 includes: obtains the first outlet temperature T2 and/or the first outlet pressure P1 of indoor evaporator 10 outlet, calculates the outlet superheat degree SHr to determine indoor evaporator 10；That is, the first control portion 14 gathers the first outlet temperature T2 and/or the first outlet pressure P1 of indoor evaporator 10 outlet, calculate the outlet superheat degree SHr to determine indoor evaporator 10 according to degree of superheat computing formula.Specifically, export the first outlet temperature T2 of 2 or the first outlet pressure P1 of 2 by gathering indoor evaporator 10 or gather the first outlet temperature T2 and/or the first outlet pressure P1 of any point in the middle part of vaporizer simultaneously, all can calculate the outlet superheat degree SHr obtaining indoor evaporator 10.Judge that whether the outlet superheat degree SHr of indoor evaporator 10 is beyond the degree of superheat threshold range (SHset ± error) preset: if the outlet superheat degree SHr of indoor evaporator 10 is within degree of superheat threshold range, as SHset+error >=SHr >=SHset-error, then the aperture maintaining flow control valve 12 is constant；If the outlet superheat degree SHr of indoor evaporator 10 is more than degree of superheat threshold range maximum, that is, as SHr > SHset+error, then augmented flow controls the aperture of valve 12；If the outlet superheat degree SHr of indoor evaporator 10 is less than the minima of degree of superheat threshold range, that is, as SHr < SHset-error, then close the aperture of control valve for small flows 12.
S103: control start and stop and/or the volume output of compressor 11 according to indoor refrigeration demand CFr；Compressor 11 can be constant volume compressor 11 or variable conpacitance compressor 11.Step S103 includes: judge that whether indoor refrigeration demand CFr is beyond the refrigeration threshold range (Cfset ± error) preset: if indoor refrigeration demand CFr is within refrigeration threshold range, namely, as Cfset+error >=CFr >=Cfset-error, then maintain the volume output of compressor 11；If indoor refrigeration demand CFr is more than the maximum of refrigeration threshold range, that is, as CFr > Cfset+error, then control compressor 11 and start or increase the volume output of compressor 11；If indoor refrigeration demand CFr is less than the minima of refrigeration threshold range, that is, as CFr < Cfset-error, then control compressor 11 and quit work or reduce the volume output of variable conpacitance compressor 11.The present embodiment also includes the following steps that the second control portion 15 performs:
S201: obtain outdoor environment temperature T3, and control the start and stop of the first outdoor condenser 16 and the second outdoor condenser 17 according to outdoor environment temperature T3.As preferably, described outdoor environment temperature T3 can in the entrance measurement of the first outdoor condenser 16 and/or the second outdoor condenser 17.
In certain embodiments, step S201 includes: obtains outdoor environment temperature T3, and judges that whether outdoor environment temperature T3 is beyond presetting ambient temperature range (Tset2 ± error)；If outdoor environment temperature T3 is not out presetting ambient temperature range, that is, as Tset2+error >=T3 >=Tset2-error, then control the first outdoor condenser 16 and start work, and the outdoor condenser 17 of control second quits work；If outdoor environment temperature is higher than the maximum presetting ambient temperature range (as preferably, the maximum that can preset ambient temperature range is 25～30 degrees Celsius), namely, as T3 > Tset2+error, then control the first outdoor condenser 16 and the second outdoor condenser 17 starts simultaneously and works；If outdoor environment temperature lower than the minima of default ambient temperature range (as preferably, the minima that can preset ambient temperature range is 0～5 degree Celsius), namely, as T3 < Tset2-error, then control the second outdoor condenser 17 and start work, and the outdoor condenser 16 of control first quits work.
S202: obtain the outlet pressure P2 of the first outdoor condenser 16 and/or the second outdoor condenser 17, and the output of the first outdoor condenser 16 and the second outdoor condenser 17 is controlled according to the outlet pressure P2 of the first outdoor condenser 16 and/or the second outdoor condenser 17.
In certain embodiments, step S202 includes: obtain the outlet pressure P2 of the first outdoor condenser 16 and/or the second outdoor condenser 17, and judge whether the outlet pressure P2 of the first outdoor condenser 16 and/or the second outdoor condenser 17 exceeds the pressure threshold scope (Pset ± error) preset: if the outlet pressure P2 of the first outdoor condenser 16 and/or the second outdoor condenser 17 is not out the pressure threshold scope preset, namely, as Pset+error >=P2 >=Pset-error, constant and/or maintenance outdoor fan 18 the rotating speed of flow of inlet water then maintaining the cooling water of the first outdoor condenser 16 is constant；If the outlet pressure P2 of the first outdoor condenser 16 and/or the second outdoor condenser 17 is more than the maximum of default pressure threshold scope, namely, as P2 > Pset+error, then increase the flow of inlet water of the cooling water of the first outdoor condenser 16 and/or increase the rotating speed of outdoor fan 18；If the outlet pressure P2 of the first outdoor condenser 16 and/or the second outdoor condenser 17 is less than the minima of default pressure threshold scope, namely, as P2 < Pset-error, then reduce the flow of inlet water of the cooling water of the first outdoor condenser 16 and/or reduce the rotating speed of outdoor fan 18.
S203: obtain the aperture of flow control valve 12 volume output of the aperture Xr control refrigerated medium pump 19 according to flow control valve 12.
In certain embodiments, step S203 includes: obtain the aperture Xr of flow control valve 12, and judge whether the aperture Xr of flow control valve 12 exceeds the aperture threshold range (Xset ± error) preset: if the aperture Xr of flow control valve 12 is not out aperture threshold range, namely, as Pset+error >=Xr >=Xset-error, then maintain the volume output of refrigerated medium pump 19；If the aperture Xr of flow control valve 12 is more than the maximum of aperture threshold range, that is, as Xr > Xset+error, then increase the volume output of refrigerated medium pump 19；If the aperture Xr of flow control valve 12 is less than the minima of aperture threshold range, that is, as Xr < Xset-error, then reduce the volume output of refrigerated medium pump 19.Preferably, described refrigerated medium pump 19 is varying capacity refrigerated medium pump.
As preferably, the first outdoor condenser 16 is shell-tube type water-cooled condenser, and the second outdoor condenser 17 is air-cooled condenser；Second control portion 14 realizes start and stop and/or the output of the outdoor condenser 16 of control first by the flow of the cooling water in the heat-transfer pipe pipe of the outdoor condenser 16 of control first or outside pipe；Second control portion 14 realizes controlling start and stop and/or the output of the second outdoor condenser 17 by the start and stop or rotating speed controlling outdoor fan 18.In certain embodiments, as shown in Figures 1 to 5, when the first outdoor condenser 16 be shell-tube type water-cooled condenser, coolant circulate in the pipe of heat exchanger tube or pipe outward, as long as the effect of heat exchange can be reached.
And in certain embodiments, as shown in FIG. 6 and 7, first outdoor condenser 16 can be connected to indoor control module 1 with the second outdoor condenser 17 after in parallel, and in indoor control module 1, correspondence can adjust the quantity of indoor evaporator 10, compressor 11, flow control valve 12, indoor fan 13 as required, and be controlled by the first control portion 14；Correspondence can also adjust the quantity of the first outdoor outdoor condenser 17 of condenser 16, second, outdoor fan 18, refrigerated medium pump 19 as required in outdoor control module 2 simultaneously, and be controlled by the second control portion 15；And in the process, the first outdoor condenser 16 can also be adjusted according to demand with the use of quantity and the connected mode thereof of water pump 22 with cooling tower 23 to control cooling water flow.
Understandably, first control portion 14 adopts PID control method or P control method to adopt PID control method or P control method that the control of the first outdoor outdoor condenser 17 of condenser 16, second, outdoor fan 18 and refrigerated medium pump 19 is independent of each other in control and the second control portion 15 of indoor fan 13, compressor 11 or flow control valve 12, namely each other without sequencing, control according to respective control conditional sampling, without carrying out pattern switching, thus without therefore causing that refrigerating capacity fluctuates.
The said method that the embodiment of the present invention provides, the different types of cooling can be utilized to realize the refrigeration under different situations, such as, the different types of cooling can be selected according to outdoor ambient temperature, as: the refrigeration mode of the single or mixing of the types of cooling such as air-cooled condensation or water-cooled condensation, and then realize under different ambient temperatures, automatically selecting the different types of cooling to promote the energy-saving effect of system, also can meet the application requirement in the region of Different climate condition simultaneously.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent replacement and improvement etc. made within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (10)
1. the hybrid power refrigeration system mixing low-temperature receiver, it is characterised in that include indoor control module (1) being arranged at indoor and outdoor control module (2) being arranged at outdoor；
Described indoor control module (1) include flow control valve (12) that the compressor (11) that indoor evaporator (10) is connected with described indoor evaporator (10) outlet is connected with described indoor evaporator (10) entrance and described indoor evaporator (10) with the use of indoor fan (13) and the first control portion (14)；
Described outdoor control module (2) include the first outdoor condenser (16) of being connected with described indoor control module (1) and the second outdoor condenser (17) and the described second outdoor condenser (17) with the use of the second control portion (15) of being all connected with the described first outdoor condenser (16) and described second outdoor condenser (17) of outdoor fan (18) and refrigerated medium pump (19)；Described refrigerated medium pump (19) outlet is connected with described flow control valve (12), and described first control portion (14) and described second control portion (15) are connected by communication；
Described first control portion (14) is connected with described compressor (11), described flow control valve (12) and described indoor fan (13), for controlling the variable of the target superheat degree preset according to indoor refrigeration demand；Outlet superheat degree according to described indoor evaporator (10) controls the aperture of described flow control valve (12)；Start and stop and/or the volume output of described compressor (11) is controlled according to indoor refrigeration demand；
Described second control portion (15) is connected with described outdoor fan (18) and described refrigerated medium pump (19), for controlling the described first outdoor condenser (16) and the start and stop of the described second outdoor condenser (17) according to outdoor environment temperature；Outlet pressure according to the described first outdoor condenser (16) and/or the described second outdoor condenser (17) controls the described first outdoor condenser (16) and the output of the described second outdoor condenser (17)；Aperture according to described flow control valve (12) controls the volume output of described refrigerated medium pump (19).
2. the hybrid power refrigeration system mixing low-temperature receiver as claimed in claim 1, it is characterized in that, described first outdoor condenser (16) is connected with the described second outdoor condenser (17), and the refrigerant inlet end after both series connection is connected with described compressor (11) outlet, refrigerant exit end is connected with described refrigerated medium pump (19) entrance.
3. the hybrid power refrigeration system mixing low-temperature receiver as claimed in claim 1 or 2, it is characterised in that the described first outdoor condenser (16) is shell-tube type water-cooled condenser, the described second outdoor condenser (17) is air-cooled condenser；
Described second control portion (14) realizes start and stop and the output of the outdoor condenser (16) of control described first by the flow of the cooling water in the heat-transfer pipe pipe of the outdoor condenser (16) of control described first or outside pipe；
Described second control portion (14) realizes controlling start and stop and the output of the described second outdoor condenser (17) by the start and stop or rotating speed controlling outdoor fan (18).
4. the hybrid power refrigeration system mixing low-temperature receiver as claimed in claim 3, it is characterized in that, the hybrid power refrigeration system of described mixing low-temperature receiver also includes the one-way conduction valve (20) being arranged in parallel with described compressor (11) and/or described refrigerated medium pump (19).
5. the hybrid power refrigeration system mixing low-temperature receiver as claimed in claim 3, it is characterised in that the hybrid power refrigeration system of described mixing low-temperature receiver also includes the by-pass line (21) being arranged in parallel with the described first outdoor condenser (16).
6. the control method of the hybrid power refrigeration system of the mixing low-temperature receiver described in any one of claim 1 to 5, it is characterised in that including:
The following steps that first control portion (14) performs:
S101: obtain indoor refrigeration demand, and control the variable of the target superheat degree preset according to described indoor refrigeration demand；
S102: obtain the outlet superheat degree of indoor evaporator (10) the aperture of the outlet superheat degree described flow control valve of control (12) according to described indoor evaporator (10)；
S103: control start and stop and/or the volume output of compressor (11) according to described indoor refrigeration demand；
Also include the following steps that the second control portion (15) performs:
S201: obtain outdoor environment temperature, and control the first outdoor condenser (16) and the start and stop of the second outdoor condenser (17) according to described outdoor environment temperature；
S202: obtain the described first outdoor condenser (16) and/or the outlet pressure of the described second outdoor condenser (17), and the outlet pressure according to the described first outdoor condenser (16) and/or the described second outdoor condenser (17) controls the described first outdoor condenser (16) and the output of the described second outdoor condenser (17)；
S203: obtain the aperture of flow control valve (12) the volume output of the aperture described refrigerated medium pump of control (19) according to described flow control valve (12).
7. the control method of the hybrid power refrigeration system mixing low-temperature receiver as claimed in claim 6, it is characterised in that
Described first outdoor condenser (16) is shell-tube type water-cooled condenser, and the described second outdoor condenser (17) is air-cooled condenser；
Described second control portion (14) realizes start and stop and/or the output of the outdoor condenser (16) of control described first by the flow of the cooling water in the heat-transfer pipe pipe of the outdoor condenser (16) of control described first or outside pipe；
Described second control portion (14) realizes controlling start and stop and/or the output of the described second outdoor condenser (17) by the start and stop or rotating speed controlling outdoor fan (18).
8. the control method of the hybrid power refrigeration system mixing low-temperature receiver as claimed in claim 7, it is characterised in that described step S201 includes: obtain outdoor environment temperature, and judge that whether described outdoor environment temperature is beyond presetting ambient temperature range；If described outdoor environment temperature is not out described default ambient temperature range, then controls described first outdoor condenser (16) and start work, and control the described second outdoor condenser (17) and quit work；If described outdoor environment temperature is higher than the maximum of described default ambient temperature range, then controls the described first outdoor condenser (16) and the described second outdoor condenser (17) starts simultaneously and works；If described outdoor environment temperature is lower than the minima of described default ambient temperature range, then controls described second outdoor condenser (17) and start work, and control the described first outdoor condenser (16) and quit work.
9. the control method of the hybrid power refrigeration system mixing low-temperature receiver as claimed in claim 8, it is characterised in that
Described step S202 includes: obtain the described first outdoor condenser (16) and/or the outlet pressure of the described second outdoor condenser (17), and judge that whether the outlet pressure of described first outdoor condenser (16) and/or the described second outdoor condenser (17) is beyond the pressure threshold scope preset: if the outlet pressure of the described first outdoor condenser (16) and/or the described second outdoor condenser (17) is not out described default pressure threshold scope, then maintain that the flow of inlet water of the cooling water of the described first outdoor condenser (16) is constant and/or to maintain the rotating speed of described outdoor fan (18) constant；If the outlet pressure of the described first outdoor condenser (16) and/or the described second outdoor condenser (17) is more than the maximum of described default pressure threshold scope, then increases the flow of inlet water of the cooling water of the described first outdoor condenser (16) and/or increase the rotating speed of described outdoor fan (18)；If the outlet pressure of the described first outdoor condenser (16) and/or the described second outdoor condenser (17) is less than the minima of described default pressure threshold scope, then reduces the flow of inlet water of the cooling water of the described first outdoor condenser (16) and/or reduce the rotating speed of described outdoor fan (18)；
And/or
Described step S203 includes: obtain the aperture of flow control valve (12), and judge whether the aperture of described flow control valve (12) exceeds the aperture threshold range preset: if the aperture of described flow control valve (12) is not out described aperture threshold range, then maintain the volume output of described refrigerated medium pump (19)；If the aperture of described flow control valve (12) is more than the maximum of described aperture threshold range, then increase the volume output of described refrigerated medium pump (19)；If the aperture of described flow control valve (12) is less than the minima of described aperture threshold range, then reduce the volume output of described refrigerated medium pump (19).
10. the control method of the hybrid power refrigeration system of the mixing low-temperature receiver as described in any one of claim 6 to 9, it is characterised in that
Described step S101 includes: obtains indoor environment temperature, and described indoor environment temperature and default cryogenic temperature value is compared, and calculates both temperature gaps to determine described indoor refrigeration demand；Judge that whether described indoor refrigeration demand is beyond the refrigeration threshold range preset: if described indoor refrigeration demand is within described refrigeration threshold range, then the target superheat degree maintaining current preset is constant；If described indoor refrigeration demand is more than the maximum of described refrigeration threshold range, then reduce the target superheat degree of current preset；If described indoor refrigeration demand is less than the minima of described refrigeration threshold range, then improve the target superheat degree of current preset；
And/or
Described step S102 includes: obtains the first outlet temperature and/or the first outlet pressure that indoor evaporator (10) exports, calculates the outlet superheat degree to determine described indoor evaporator (10)；Judge that whether the outlet superheat degree of described indoor evaporator (10) is beyond the degree of superheat threshold range preset: if the outlet superheat degree of described indoor evaporator (10) is within described degree of superheat threshold range, then the aperture maintaining described flow control valve (12) is constant；If the outlet superheat degree of described indoor evaporator (10) is more than described degree of superheat threshold range maximum, then increase the aperture of described flow control valve (12)；If the outlet superheat degree of described indoor evaporator (10) is less than the minima of described degree of superheat threshold range, then turn down the aperture of described flow control valve (12)；
And/or
Described step S103 includes: judge that whether described indoor refrigeration demand is beyond the refrigeration threshold range preset: if described indoor refrigeration demand is within described refrigeration threshold range, then maintain the volume output of described compressor (11)；If described indoor refrigeration demand is more than the maximum of described refrigeration threshold range, then controls described compressor (11) and start or increase the volume output of described compressor (11)；If described indoor refrigeration demand is less than the minima of described refrigeration threshold range, then controls described compressor (11) and quit work or reduce the volume output of variable conpacitance compressor (11).
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062668A (en) * | 2017-03-09 | 2017-08-18 | 深圳市艾特网能技术有限公司 | Cooling cycle system and its refrigerating method |
| WO2017185298A1 (en) * | 2016-04-28 | 2017-11-02 | 深圳市艾特网能技术有限公司 | Hybrid power refrigerating system of mixed cold source and control method therefor |
| CN110254161A (en) * | 2018-05-18 | 2019-09-20 | 蔚来汽车有限公司 | For maximizing the purposes of the internal condensation device of total heat system performance |
| CN111609497A (en) * | 2020-05-26 | 2020-09-01 | 深圳市艾特网能技术有限公司 | Control method and control device for natural cooling machine room air conditioner and natural cooling machine room air conditioner |
| CN114322344A (en) * | 2021-12-20 | 2022-04-12 | 珠海格力电器股份有限公司 | Air conditioning system, and control method and control device for refrigeration of air conditioning system |
| CN114508786A (en) * | 2022-02-17 | 2022-05-17 | 珠海格力电器股份有限公司 | Air conditioning system, control method and control device of air conditioning system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1151523A (en) * | 1997-08-01 | 1999-02-26 | Sanyo Electric Co Ltd | Ice making machine |
| CN2674364Y (en) * | 2003-10-13 | 2005-01-26 | 仵崇哲 | Air conditioner refrigerating system |
| EP2084464A2 (en) * | 2006-11-13 | 2009-08-05 | LG Electronics Inc. | Controlling method of air conditioner |
| CN101688699A (en) * | 2007-06-29 | 2010-03-31 | 大金工业株式会社 | Freezing apparatus |
| JP2010127600A (en) * | 2008-12-01 | 2010-06-10 | Tokyo Electron Ltd | Cooling device and cooling method |
| CN102466304A (en) * | 2010-11-16 | 2012-05-23 | 力博特公司 | Air-conditioning system and control method of condensation fan thereof |
| CN102829571A (en) * | 2011-06-15 | 2012-12-19 | 李思模 | Air conditioner with double condensers |
| CN104776633A (en) * | 2015-03-10 | 2015-07-15 | 深圳市艾特网能有限公司 | Hybrid power refrigeration system and control method thereof |
| CN205606950U (en) * | 2016-04-28 | 2016-09-28 | 深圳市艾特网能技术有限公司 | Hybrid refrigerating system who mixes cold source |
-
2016
- 2016-04-28 CN CN201610278126.4A patent/CN105783328A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1151523A (en) * | 1997-08-01 | 1999-02-26 | Sanyo Electric Co Ltd | Ice making machine |
| CN2674364Y (en) * | 2003-10-13 | 2005-01-26 | 仵崇哲 | Air conditioner refrigerating system |
| EP2084464A2 (en) * | 2006-11-13 | 2009-08-05 | LG Electronics Inc. | Controlling method of air conditioner |
| CN101688699A (en) * | 2007-06-29 | 2010-03-31 | 大金工业株式会社 | Freezing apparatus |
| JP2010127600A (en) * | 2008-12-01 | 2010-06-10 | Tokyo Electron Ltd | Cooling device and cooling method |
| CN102466304A (en) * | 2010-11-16 | 2012-05-23 | 力博特公司 | Air-conditioning system and control method of condensation fan thereof |
| CN102829571A (en) * | 2011-06-15 | 2012-12-19 | 李思模 | Air conditioner with double condensers |
| CN104776633A (en) * | 2015-03-10 | 2015-07-15 | 深圳市艾特网能有限公司 | Hybrid power refrigeration system and control method thereof |
| CN205606950U (en) * | 2016-04-28 | 2016-09-28 | 深圳市艾特网能技术有限公司 | Hybrid refrigerating system who mixes cold source |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185298A1 (en) * | 2016-04-28 | 2017-11-02 | 深圳市艾特网能技术有限公司 | Hybrid power refrigerating system of mixed cold source and control method therefor |
| CN107062668A (en) * | 2017-03-09 | 2017-08-18 | 深圳市艾特网能技术有限公司 | Cooling cycle system and its refrigerating method |
| CN107062668B (en) * | 2017-03-09 | 2022-06-07 | 深圳市艾特网能技术有限公司 | Refrigeration cycle system and refrigeration method thereof |
| CN110254161A (en) * | 2018-05-18 | 2019-09-20 | 蔚来汽车有限公司 | For maximizing the purposes of the internal condensation device of total heat system performance |
| CN111609497A (en) * | 2020-05-26 | 2020-09-01 | 深圳市艾特网能技术有限公司 | Control method and control device for natural cooling machine room air conditioner and natural cooling machine room air conditioner |
| CN114322344A (en) * | 2021-12-20 | 2022-04-12 | 珠海格力电器股份有限公司 | Air conditioning system, and control method and control device for refrigeration of air conditioning system |
| CN114508786A (en) * | 2022-02-17 | 2022-05-17 | 珠海格力电器股份有限公司 | Air conditioning system, control method and control device of air conditioning system |
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