CN105758073A - Refrigeration device and quick cooling control method thereof - Google Patents
Refrigeration device and quick cooling control method thereof Download PDFInfo
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- CN105758073A CN105758073A CN201610119727.0A CN201610119727A CN105758073A CN 105758073 A CN105758073 A CN 105758073A CN 201610119727 A CN201610119727 A CN 201610119727A CN 105758073 A CN105758073 A CN 105758073A
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- air door
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- preservation air
- choke valve
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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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
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
- F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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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
- F25B2600/00—Control issues
- F25B2600/05—Refrigerant levels
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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
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
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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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/28—Quick cooling
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a quick cooling control method for a refrigeration device. The quick cooling control method comprises the following steps: when the refrigeration device enters a quick cooling mode, detecting environment temperature and acquiring a target openness of a throttle valve according to the environment temperature; acquiring a target rotating speed of a fan according to the target opening and acquiring the longest opening time and the shortest closing time of a refrigeration door corresponding to the fan according to the target openness and the target rotating speed of the fan; controlling the throttle valve according to the target openness of the throttle valve and controlling the fan according to the target rotating speed of the fan so as to adjust the refrigerating capacity entering a refrigerating chamber; controlling the refrigeration door according to the longest opening time and the shortest closing time, thereby controlling the refrigeration running time of the refrigeration device. According to the quick cooling control method, the refrigerating capacity entering the refrigerating chamber can be maximally controlled on the basis of exerting the adjusting function of the throttle valve, the refrigeration running time of the refrigeration device can be controlled and the food in the refrigerating chamber under a quick cooling mode is prevented from being damaged by coldness. The invention also discloses the refrigeration device.
Description
Technical field
The present invention relates to refrigeration technology field, particularly to quickly cooling control method and a kind of refrigeration plant of a kind of refrigeration plant.
Background technology
At present, refrigerator industry develops towards directions such as big volume, intellectualities, and most of refrigerator still adopts the most original capillary tube as throttling arrangement.The blood pressure lowering throttle part that capillary tube is commonly used in the refrigeration system of below 10kW as the refrigerating capacity such as refrigerator, domestic air conditioner, the advantages such as it has simple in construction, with low cost, cold-producing medium difficulty leakage, but its regulating power when variable working condition is weak, cooling system agent flux can only be done small adjustment.When system loading changes greatly, arise that temperature of refrigerating chamber does not reach design temperature and then the quality of impact storage food for a long time.
But, when electric expansion valve is applied in refrigerator, although electric expansion valve can regulate cooling system agent flux, can realize in casing, providing substantial amounts of cold in the short time, but there is the risk of cold injury food, particularly under quickly cooling pattern, being greatly improved of Temperature drop in refrigerator speed easilys lead to food frost bitten.
Summary of the invention
It is contemplated that one of technical problem solved at least to a certain extent in above-mentioned technology.For this, it is an object of the present invention to propose the quickly cooling control method of a kind of refrigeration plant, the refrigerating capacity controlling to enter cold room on the basis of throttle valve adjustment function to greatest extent can played, and the cold preservation controlling refrigeration plant runs the time, it is prevented that the food of cold injury cold room under quickly cooling pattern.
Further object is that a kind of refrigeration plant of proposition.
For reaching above-mentioned purpose, one aspect of the present invention embodiment proposes the quickly cooling control method of a kind of refrigeration plant, wherein, described refrigeration plant includes compressor, the condenser that outlet with described compressor is connected, the vaporizer being connected with the entrance of described compressor, it is arranged on the choke valve between outlet and the entrance of described vaporizer of described condenser, the blower fan being correspondingly arranged with described vaporizer, said method comprising the steps of: when described refrigeration plant enters quickly cooling mode operation, detection ambient temperature, and the target aperture of described choke valve is obtained according to described ambient temperature；Target aperture according to described choke valve obtains the rotating speed of target of described blower fan, and obtains the longest opening time of cold preservation air door corresponding to described blower fan and the shortest shut-in time with the rotating speed of target of described blower fan according to the target aperture of described choke valve；Described choke valve is controlled and is controlled regulating the refrigerating capacity entering cold room to described blower fan according to the rotating speed of target of described blower fan by the target aperture according to described choke valve, and according to the longest opening time of described cold preservation air door and the shortest shut-in time, described cold preservation air door is controlled controlling the cold preservation operation time of described refrigeration plant.
nullThe quickly cooling control method of refrigeration plant according to embodiments of the present invention，When refrigeration plant enters quickly cooling mode operation，By detecting ambient temperature to obtain the target aperture of choke valve，And the rotating speed of target of the target aperture acquisition blower fan according to choke valve，And obtain the longest opening time of cold preservation air door corresponding to blower fan and the shortest shut-in time with the rotating speed of target of blower fan according to the target aperture of choke valve，Then according to the target aperture of choke valve choke valve is controlled and blower fan is controlled by rotating speed of target according to blower fan，Refrigerant flow is associated with air quantity，Thus regulating the refrigerating capacity entering cold room，Meet refrigeration plant refrigeration capacity requirement under quickly cooling pattern，The cold preservation that cold preservation air door is controlled controlling refrigeration plant finally according to the longest opening time of cold preservation air door and the shortest shut-in time runs the time，It is thus possible to prevent cold preservation long operational time and cause the phenomenon of cold injury food，And it can be avoided that the phenomenon that air door frequently switches on occurs.
According to one embodiment of present invention, obtain the target aperture of described choke valve according to described ambient temperature, including: judge the temperature range residing for described ambient temperature；Temperature range residing for described ambient temperature obtains the target aperture of described choke valve.
According to one embodiment of present invention, described choke valve can be electric expansion valve.
According to one embodiment of present invention, described cold preservation air door is controlled by the longest opening time and the shortest shut-in time according to described cold preservation air door, including: described in reaching when the opening time of described cold preservation air door the longest opening time time, control described cold preservation air door to close, and when the shut-in time of described cold preservation air door more than the described the shortest shut-in time time, control described cold preservation air door and be again turned on.
According to one embodiment of present invention, when described cold preservation air door is controlled, the quickly cooling control method of described refrigeration plant also includes: detect the temperature in described cold room；When the temperature in described cold room reaches the air door closing temperature preset, control described cold preservation air door and close, and when the temperature in described cold room reaches the door opening temperature preset, control described cold preservation air door and be again turned on.
For reaching above-mentioned purpose, a kind of refrigeration plant that another aspect of the present invention embodiment proposes, including: compressor；The condenser that outlet with described compressor is connected；The vaporizer being connected with the entrance of described compressor；It is arranged on the choke valve between outlet and the entrance of described vaporizer of described condenser；The blower fan being correspondingly arranged with described vaporizer；The cold preservation air door being correspondingly arranged with described blower fan；First temperature detecting module, described first temperature detecting module is used for detecting ambient temperature；Control module, described control module for obtaining the target aperture of described choke valve when described refrigeration plant enters quickly cooling mode operation according to described ambient temperature, and the rotating speed of target of the target aperture described blower fan of acquisition according to described choke valve, and obtain the longest opening time of described cold preservation air door and the shortest shut-in time according to the target aperture of described choke valve and the rotating speed of target of described blower fan, wherein, described choke valve is controlled by described control module always according to the target aperture of described choke valve and described blower fan is controlled regulating the refrigerating capacity entering cold room by rotating speed of target according to described blower fan, and according to the longest opening time of described cold preservation air door and the shortest shut-in time, described cold preservation air door is controlled controlling the cold preservation of described refrigeration plant and runs the time.
nullRefrigeration plant according to embodiments of the present invention，When entering quickly cooling mode operation，Control module by the first temperature detecting module detection ambient temperature to obtain the target aperture of choke valve，And the rotating speed of target of the target aperture acquisition blower fan according to choke valve，And obtain the longest opening time of cold preservation air door corresponding to blower fan and the shortest shut-in time with the rotating speed of target of blower fan according to the target aperture of choke valve，Then according to the target aperture of choke valve choke valve is controlled and blower fan is controlled by rotating speed of target according to blower fan，Refrigerant flow is associated with air quantity，Thus regulating the refrigerating capacity entering cold room，Meet refrigeration plant refrigeration capacity requirement under quickly cooling pattern，The cold preservation that cold preservation air door is controlled controlling refrigeration plant finally according to the longest opening time of cold preservation air door and the shortest shut-in time runs the time，It is thus possible to prevent cold preservation long operational time and cause the phenomenon of cold injury food，And it can be avoided that the phenomenon that air door frequently switches on occurs.
According to one embodiment of present invention, when described control module obtains the target aperture of described choke valve according to described ambient temperature, judge the temperature range residing for described ambient temperature, and the temperature range residing for described ambient temperature obtains the target aperture of described choke valve.
According to one embodiment of present invention, described choke valve can be electric expansion valve.
According to one embodiment of present invention, when described cold preservation air door is controlled by described control module according to the longest opening time of described cold preservation air door and the shortest shut-in time, wherein, described in reaching when the opening time of described cold preservation air door the longest opening time time, described control module controls described cold preservation air door and closes, and when the shut-in time of described cold preservation air door more than the described the shortest shut-in time time, described control module controls described cold preservation air door and is again turned on.
According to one embodiment of present invention, described refrigeration plant also includes: the second temperature detecting module, described second temperature detecting module is for detecting the temperature in described cold room when described cold preservation air door is controlled, wherein, when the temperature in described cold room reaches the air door closing temperature preset, described control module controls described cold preservation air door and closes, and when the temperature in described cold room reaches the door opening temperature preset, described control module controls described cold preservation air door and is again turned on.
Accompanying drawing explanation
Fig. 1 is the structural representation of refrigeration plant according to an embodiment of the invention；
Fig. 2 is the flow chart of the quickly cooling control method of refrigeration plant according to embodiments of the present invention.
Detailed description of the invention
Being 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 the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Quickly cooling control method and the refrigeration plant of the refrigeration plant proposed according to embodiments of the present invention are described with reference to the accompanying drawings.
First, as it is shown in figure 1, the blower fan 50 that refrigeration plant includes the choke valve 40 between vaporizer 30, the outlet being arranged on condenser 20 and the entrance of vaporizer 30 that the condenser 20 that compressor 10 is connected is connected with the entrance of compressor with the outlet of compressor 10 and vaporizer 30 is correspondingly arranged according to an embodiment of the invention.
Wherein, blower fan 50 can be variable rotating speed fan, and choke valve 40 can be electric expansion valve.Further, as it is shown in figure 1, be additionally provided with capillary tube 60 between electric expansion valve and condenser, capillary tube 60 and electric expansion valve constitute the throttling arrangement of this refrigeration plant.
That is, in the present embodiment, this refrigeration plant is a kind of refrigerator using electric expansion valve, the feature of this refrigerator is that electric expansion valve is connected as the throttling arrangement of system with capillary tube, cold-producing medium is introduced into capillary tube after flowing out from condenser, pass through electric expansion valve afterwards, finally flow into vaporizer.Wherein electronic expansion valve regulation flow principle is, electronic controller is by sending pulse signal to coil, control the rotation of rotor part, transmission by screw mandrel and nut, being that needle moves linearly vertically by the convert rotational motion of rotor part, thus regulating the flow area of valve port, and then regulating the flow of cold-producing medium, stop dog part is moved up and down by slip ring and controls valve needle movements stroke simultaneously, thus ensureing valve motion in the pulse of regulation all the time.Such as when valve pulse is from 0 to 350 pulse change, refrigerant flow changes to M (setting flow value) from 0, and the two is non-linear variation certainly.
Secondly, as in figure 2 it is shown, the quickly cooling control method of the refrigeration plant of the embodiment of the present invention comprises the following steps:
S1, when refrigeration plant enters quickly cooling mode operation, detects ambient temperature, and obtains the target aperture of choke valve according to ambient temperature.
Wherein, the local environment temperature of refrigeration plant such as refrigerator can be detected by temperature sensor.
According to one embodiment of present invention, in step S1, obtain the target aperture of described choke valve according to described ambient temperature, including: judge the temperature range residing for described ambient temperature；Temperature range residing for described ambient temperature obtains the target aperture of described choke valve.
Specifically, when choke valve is electric expansion valve, valve body aperture is primarily referred to as the valve opening umber of pulse of electric expansion valve, under quickly cooling pattern, the valve opening pulse of electric expansion valve is mainly determined by ambient temperature, such as can preset three electric expansion valve valve opening umber of pulse A, B and C with suitable in varying environment temperature range, it may be assumed that A is applicable to ambient temperature less than or equal to 20 DEG C, wherein 280≤A≤300；B is applicable to ambient temperature less than or equal to 30 DEG C and more than 20 DEG C, wherein 200≤B≤220；C is applicable to ambient temperature more than 30 DEG C, wherein 150≤C≤160.
S2, obtains the rotating speed of target of blower fan according to the target aperture of choke valve, and obtains the longest opening time of cold preservation air door corresponding to blower fan and the shortest shut-in time with the rotating speed of target of blower fan according to the target aperture of choke valve.
According to one embodiment of present invention, the rotating speed of blower fan is corresponding with the voltage of blower fan, so, the corresponding relation between the aperture of the corresponding relation between the aperture of electric expansion valve and the voltage of blower fan and electric expansion valve and the voltage of blower fan and the longest opening time of cold preservation air door, the shortest shut-in time can be preset, aperture thereby through electric expansion valve can obtain corresponding blower voltage, and the aperture and corresponding blower voltage by electric expansion valve can obtain the longest opening time of cold preservation air door and the shortest shut-in time.Such as, under the quickly cooling pattern of varying environment temperature, the aperture of electric expansion valve, the voltage of blower fan and the relation between the longest opening time and the shortest shut-in time of cold preservation air door are as shown in table 1 below.
Table 1
| Ambient temperature≤20 | 20 < ambient temperature≤30 | 30 < ambient temperatures | |
| Valve body aperture | A | B | C |
| The voltage of blower fan | V1 | V2 | V3 |
| The longest opening time | Ton1 | Ton2 | Ton3 |
| The shortest shut-in time | Toff1 | Toff2 | Toff3 |
In table 1, the longest opening time T of the voltage V1 of blower fan at respective environment temperature, V2 and V3, cold preservation air door can be set according to experimental dataon1、Ton2And Ton3And the shortest shut-in time T of cold preservation air dooroff1、Toff2And Toff3, wherein, 8V < V1 < V2 < V3 < 11.5V, 30min < Ton1< Ton2< Ton3, 15min Toff1Toff2Toff3。
S3, choke valve is controlled and is controlled regulating the refrigerating capacity entering cold room to blower fan according to the rotating speed of target of blower fan by the target aperture according to choke valve, and according to the longest opening time of cold preservation air door and the shortest shut-in time, cold preservation air door is controlled controlling the cold preservation operation time of refrigeration plant.
Therefore say, in an embodiment of the present invention, store on the probability of food frost bitten and the basis of spin manifold temperature reduction speed at balanced cold room, can pass through to regulate the open and close time of the aperture of electric expansion valve, the rotating speed of blower fan and cold preservation air door, reach can fast cooling, the purpose of chilled food frost bitten can be prevented again.
Wherein, in step s3, described cold preservation air door is controlled by the longest opening time and the shortest shut-in time according to described cold preservation air door, including: described in reaching when the opening time of described cold preservation air door the longest opening time time, control described cold preservation air door to close, and when the shut-in time of described cold preservation air door more than the described the shortest shut-in time time, control described cold preservation air door and be again turned on.
Further, when cold preservation air door is controlled, the quickly cooling control method of above-mentioned refrigeration plant also includes: the temperature in detection cold room；When the temperature in described cold room reaches the air door closing temperature preset, control described cold preservation air door and close, and when the temperature in described cold room reaches the door opening temperature preset, control described cold preservation air door and be again turned on.Wherein, the temperature in cold room can be detected by temperature-sensing element.
Specifically, according to the present invention example, when ambient temperature is 25 DEG C, if refrigeration plant such as Double-door air-cooling refrigerator enters quickly cooling mode operation, the aperture pulse then controlling electric expansion valve is B pulse, and the change in voltage of blower fan is V2 simultaneously, reaches T whenever the opening time of cold preservation air dooron2Or temperature-sensing element is when the air door closing temperature that the temperature in cold room reaches to preset being detected, then closing cold preservation air door, the temperature detected in cold room when temperature-sensing element reaches the shut-in time of door opening temperature or the cold preservation air door preset more than Toff2Time, then it is again turned on cold preservation air door, until refrigeration plant exits quickly cooling pattern.
In sum, in an embodiment of the present invention, first, electric expansion valve is introduced refrigerator and can realize system refrigerant Flow-rate adjustment, it is achieved various load can efficiently be tackled by refrigerator, it is to avoid the problems such as Temperature drop in refrigerator speed is slow occur under high load working condition.Secondly, adjust the aperture of electric expansion valve and the rotating speed of blower fan simultaneously, make cooling system agent flux and air quantity be associated, increase the refrigerating capacity of quickly cooling pattern lower unit interval entrance cold room, meet refrigerator refrigeration capacity requirement under quickly cooling pattern under each ring temperature.Finally; the cold preservation being controlled refrigerator under quickly cooling pattern by the longest unlatching and the shortest shut-in time setting cold preservation air door runs the time; prevent cold preservation long operational time and cause that cold injury stores the phenomenon of food, and by controlling cold preservation downtime to prevent the phenomenon that cold preservation air door frequently switches on.
nullThe quickly cooling control method of refrigeration plant according to embodiments of the present invention，When refrigeration plant enters quickly cooling mode operation，By detecting ambient temperature to obtain the target aperture of choke valve，And the rotating speed of target of the target aperture acquisition blower fan according to choke valve，And obtain the longest opening time of cold preservation air door corresponding to blower fan and the shortest shut-in time with the rotating speed of target of blower fan according to the target aperture of choke valve，Then according to the target aperture of choke valve choke valve is controlled and blower fan is controlled by rotating speed of target according to blower fan，Refrigerant flow is associated with air quantity，Thus regulating the refrigerating capacity entering cold room，Meet refrigeration plant refrigeration capacity requirement under quickly cooling pattern，The cold preservation that cold preservation air door is controlled controlling refrigeration plant finally according to the longest opening time of cold preservation air door and the shortest shut-in time runs the time，It is thus possible to prevent cold preservation long operational time and cause the phenomenon of cold injury food，And it can be avoided that the phenomenon that air door frequently switches on occurs.
In addition, embodiments of the invention also proposed a kind of refrigeration plant, and it includes blower fan that vaporizer, the choke valve being arranged between the outlet of condenser and the entrance of vaporizer and the vaporizer that the condenser that compressor is connected with the outlet of compressor is connected with the entrance of compressor be correspondingly arranged and cold preservation air door, the such as temperature sensor of the first temperature detecting module that blower fan is correspondingly arranged and controls module.
First temperature detecting module is used for detecting ambient temperature, control module for obtaining the target aperture of described choke valve according to described ambient temperature when described refrigeration plant enters quickly cooling mode operation, and the rotating speed of target of the target aperture described blower fan of acquisition according to described choke valve, and obtain the longest opening time of described cold preservation air door and the shortest shut-in time according to the target aperture of described choke valve and the rotating speed of target of described blower fan, wherein, described choke valve is controlled by described control module always according to the target aperture of described choke valve and described blower fan is controlled regulating the refrigerating capacity entering cold room by rotating speed of target according to described blower fan, and according to the longest opening time of described cold preservation air door and the shortest shut-in time, described cold preservation air door is controlled controlling the cold preservation of described refrigeration plant and runs the time.
According to one embodiment of present invention, when controlling the target aperture that module obtains choke valve according to ambient temperature, it is judged that the temperature range residing for ambient temperature, and the temperature range residing for ambient temperature obtains the target aperture of choke valve.
Wherein, choke valve can be electric expansion valve, and refrigeration plant can be refrigerator such as Double-door air-cooling refrigerator, refrigerator-freezer etc..
Specifically, when choke valve is electric expansion valve, the aperture of choke valve is primarily referred to as the valve opening umber of pulse of electric expansion valve, under quickly cooling pattern, the valve opening pulse of electric expansion valve is mainly determined by ambient temperature, such as can preset three electric expansion valve valve opening umber of pulse A, B and C with suitable in varying environment temperature range, it may be assumed that A is applicable to ambient temperature less than or equal to 20 DEG C, wherein 280≤A≤300；B is applicable to ambient temperature less than or equal to 30 DEG C and more than 20 DEG C, wherein 200≤B≤220；C is applicable to ambient temperature more than 30 DEG C, wherein 150≤C≤160.
According to one embodiment of present invention, when described cold preservation air door is controlled by described control module according to the longest opening time of described cold preservation air door and the shortest shut-in time, wherein, described in reaching when the opening time of described cold preservation air door the longest opening time time, described control module controls described cold preservation air door and closes, and when the shut-in time of described cold preservation air door more than the described the shortest shut-in time time, described control module controls described cold preservation air door and is again turned on.
And, above-mentioned refrigeration plant also includes the second temperature detecting module such as temperature-sensing element, described second temperature detecting module is for detecting the temperature in described cold room when described cold preservation air door is controlled, wherein, when the temperature in described cold room reaches the air door closing temperature preset, described control module controls described cold preservation air door and closes, and when the temperature in described cold room reaches the door opening temperature preset, described control module controls described cold preservation air door and is again turned on.
That is, the refrigeration plant of the embodiment of the present invention is when entering quickly cooling mode operation, electric expansion valve and blower fan set different apertures and voltage (corresponding rotating speed) according to ambient temperature, cooling system agent flux and rotation speed of fan is made to be associated, realize in the unit interval, entering refrigerating capacity in casing to maximize, on this basis in order to prevent cold injury chilled food, specially the longest opening time of cold preservation air door and the shortest shut-in time are set, by regulating cold preservation operation and the dwell time of refrigeration plant, it is to avoid cold injury stores food and blower fan frequently switches on.
nullRefrigeration plant according to embodiments of the present invention，When entering quickly cooling mode operation，Control module by the first temperature detecting module detection ambient temperature to obtain the target aperture of choke valve，And the rotating speed of target of the target aperture acquisition blower fan according to choke valve，And obtain the longest opening time of cold preservation air door corresponding to blower fan and the shortest shut-in time with the rotating speed of target of blower fan according to the target aperture of choke valve，Then according to the target aperture of choke valve choke valve is controlled and blower fan is controlled by rotating speed of target according to blower fan，Refrigerant flow is associated with air quantity，Thus regulating the refrigerating capacity entering cold room，Meet refrigeration plant refrigeration capacity requirement under quickly cooling pattern，The cold preservation that cold preservation air door is controlled controlling refrigeration plant finally according to the longest opening time of cold preservation air door and the shortest shut-in time runs the time，It is thus possible to prevent cold preservation long operational time and cause the phenomenon of cold injury food，And it can be avoided that the phenomenon that air door frequently switches on occurs.
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 ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, for instance 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, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
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 be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (10)
1. the quickly cooling control method of a refrigeration plant, it is characterized in that, described refrigeration plant includes the blower fan that vaporizer, the choke valve being arranged between the outlet of described condenser and the entrance of described vaporizer and the described vaporizer that the condenser that compressor is connected is connected with the entrance of described compressor is correspondingly arranged with the outlet of described compressor, said method comprising the steps of:
When described refrigeration plant enters quickly cooling mode operation, detect ambient temperature, and obtain the target aperture of described choke valve according to described ambient temperature；
Target aperture according to described choke valve obtains the rotating speed of target of described blower fan, and obtains the longest opening time of cold preservation air door corresponding to described blower fan and the shortest shut-in time with the rotating speed of target of described blower fan according to the target aperture of described choke valve；
Described choke valve is controlled and is controlled regulating the refrigerating capacity entering cold room to described blower fan according to the rotating speed of target of described blower fan by the target aperture according to described choke valve, and according to the longest opening time of described cold preservation air door and the shortest shut-in time, described cold preservation air door is controlled controlling the cold preservation operation time of described refrigeration plant.
2. the quickly cooling control method of the refrigeration plant according to right 1, it is characterised in that obtain the target aperture of described choke valve according to described ambient temperature, including:
Judge the temperature range residing for described ambient temperature；
Temperature range residing for described ambient temperature obtains the target aperture of described choke valve.
3. the quickly cooling control method of the refrigeration plant according to right 1 or 2, it is characterised in that described choke valve is electric expansion valve.
4. the quickly cooling control method of the refrigeration plant according to right 1, it is characterised in that described cold preservation air door is controlled according to the longest opening time of described cold preservation air door and the shortest shut-in time, including:
Described in reaching when the opening time of described cold preservation air door the longest opening time time, control described cold preservation air door and close, and when the shut-in time of described cold preservation air door more than the described the shortest shut-in time time, control described cold preservation air door and be again turned on.
5. the quickly cooling control method of the refrigeration plant according to right 4, it is characterised in that when described cold preservation air door is controlled, also include:
Detect the temperature in described cold room；
When the temperature in described cold room reaches the air door closing temperature preset, control described cold preservation air door and close, and when the temperature in described cold room reaches the door opening temperature preset, control described cold preservation air door and be again turned on.
6. a refrigeration plant, it is characterised in that including:
Compressor；
The condenser that outlet with described compressor is connected；
The vaporizer being connected with the entrance of described compressor；
It is arranged on the choke valve between outlet and the entrance of described vaporizer of described condenser；
The blower fan being correspondingly arranged with described vaporizer；
The cold preservation air door being correspondingly arranged with described blower fan；
First temperature detecting module, described first temperature detecting module is used for detecting ambient temperature；
Control module, described control module for obtaining the target aperture of described choke valve when described refrigeration plant enters quickly cooling mode operation according to described ambient temperature, and the rotating speed of target of the target aperture described blower fan of acquisition according to described choke valve, and obtain the longest opening time of described cold preservation air door and the shortest shut-in time according to the target aperture of described choke valve and the rotating speed of target of described blower fan, wherein, described choke valve is controlled by described control module always according to the target aperture of described choke valve and described blower fan is controlled regulating the refrigerating capacity entering cold room by rotating speed of target according to described blower fan, and according to the longest opening time of described cold preservation air door and the shortest shut-in time, described cold preservation air door is controlled controlling the cold preservation of described refrigeration plant and runs the time.
7. refrigeration plant according to claim 6, it is characterized in that, when described control module obtains the target aperture of described choke valve according to described ambient temperature, judge the temperature range residing for described ambient temperature, and the temperature range residing for described ambient temperature obtains the target aperture of described choke valve.
8. the refrigeration plant according to claim 6 or 7, it is characterised in that described choke valve is electric expansion valve.
9. refrigeration plant according to claim 6, it is characterised in that when described cold preservation air door is controlled by described control module according to the longest opening time of described cold preservation air door and the shortest shut-in time, wherein,
Described in reaching when the opening time of described cold preservation air door the longest opening time time, described control module controls described cold preservation air door and closes, and when the shut-in time of described cold preservation air door more than the described the shortest shut-in time time, described control module controls described cold preservation air door and is again turned on.
10. refrigeration plant according to claim 9, it is characterised in that also include:
Second temperature detecting module, described second temperature detecting module is for detecting the temperature in described cold room when described cold preservation air door is controlled, wherein, when the temperature in described cold room reaches the air door closing temperature preset, described control module controls described cold preservation air door and closes, and when the temperature in described cold room reaches the door opening temperature preset, described control module controls described cold preservation air door and is again turned on.
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| CN201610119727.0A CN105758073B (en) | 2016-03-02 | 2016-03-02 | Refrigeration plant and its quickly cooling control method |
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| CN201610119727.0A CN105758073B (en) | 2016-03-02 | 2016-03-02 | Refrigeration plant and its quickly cooling control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766535A (en) * | 2016-12-29 | 2017-05-31 | 青岛海尔股份有限公司 | A kind of control method of refrigerator |
| CN106766299A (en) * | 2016-12-29 | 2017-05-31 | 青岛海尔股份有限公司 | The control method of refrigerating plant, the refrigerator with the refrigerating plant and refrigerator |
| CN107490233A (en) * | 2017-08-04 | 2017-12-19 | 南京创维家用电器有限公司 | A kind of control method, storage medium and the refrigerator that prevent refrigerating chamber from freezing |
| CN114719477A (en) * | 2020-12-28 | 2022-07-08 | 江苏拓米洛环境试验设备有限公司 | Control method and device for refrigerant flow and refrigeration equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759053A (en) * | 1971-12-15 | 1973-09-18 | Westinghouse Electric Corp | Air control for fresh food compartment quick chill operation |
| JP2005201517A (en) * | 2004-01-15 | 2005-07-28 | Matsushita Electric Ind Co Ltd | Refrigerator |
| CN1743775A (en) * | 2005-09-23 | 2006-03-08 | 海信集团有限公司 | Air-cooled variable frequency refrigerator and its control method |
| CN103363622A (en) * | 2013-07-01 | 2013-10-23 | 广东美的制冷设备有限公司 | Air conditioner with power tap positions and air conditioner power control method |
| CN104534803A (en) * | 2014-12-18 | 2015-04-22 | 合肥美的电冰箱有限公司 | Refrigerator and air capacity control method and device thereof |
| CN104728930A (en) * | 2013-12-23 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
-
2016
- 2016-03-02 CN CN201610119727.0A patent/CN105758073B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759053A (en) * | 1971-12-15 | 1973-09-18 | Westinghouse Electric Corp | Air control for fresh food compartment quick chill operation |
| JP2005201517A (en) * | 2004-01-15 | 2005-07-28 | Matsushita Electric Ind Co Ltd | Refrigerator |
| CN1743775A (en) * | 2005-09-23 | 2006-03-08 | 海信集团有限公司 | Air-cooled variable frequency refrigerator and its control method |
| CN103363622A (en) * | 2013-07-01 | 2013-10-23 | 广东美的制冷设备有限公司 | Air conditioner with power tap positions and air conditioner power control method |
| CN104728930A (en) * | 2013-12-23 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN104534803A (en) * | 2014-12-18 | 2015-04-22 | 合肥美的电冰箱有限公司 | Refrigerator and air capacity control method and device thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766535A (en) * | 2016-12-29 | 2017-05-31 | 青岛海尔股份有限公司 | A kind of control method of refrigerator |
| CN106766299A (en) * | 2016-12-29 | 2017-05-31 | 青岛海尔股份有限公司 | The control method of refrigerating plant, the refrigerator with the refrigerating plant and refrigerator |
| CN106766535B (en) * | 2016-12-29 | 2019-05-31 | 青岛海尔股份有限公司 | A kind of control method of refrigerator |
| CN107490233A (en) * | 2017-08-04 | 2017-12-19 | 南京创维家用电器有限公司 | A kind of control method, storage medium and the refrigerator that prevent refrigerating chamber from freezing |
| CN107490233B (en) * | 2017-08-04 | 2020-04-07 | 南京创维家用电器有限公司 | Control method for preventing refrigerating chamber from freezing, storage medium and refrigerator |
| CN114719477A (en) * | 2020-12-28 | 2022-07-08 | 江苏拓米洛环境试验设备有限公司 | Control method and device for refrigerant flow and refrigeration equipment |
| CN114719477B (en) * | 2020-12-28 | 2023-01-10 | 江苏拓米洛环境试验设备有限公司 | Control method and device for refrigerant flow and refrigeration equipment |
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|---|---|
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