CN106802051A - Refrigerating device and its condensation prevention control method - Google Patents
Refrigerating device and its condensation prevention control method Download PDFInfo
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- CN106802051A CN106802051A CN201710067069.XA CN201710067069A CN106802051A CN 106802051 A CN106802051 A CN 106802051A CN 201710067069 A CN201710067069 A CN 201710067069A CN 106802051 A CN106802051 A CN 106802051A
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- Prior art keywords
- condensation
- pipe
- refrigerating device
- temperature
- refrigerant
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Classifications
-
- 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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/02—Detecting the presence of frost or condensate
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
-
- 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
Abstract
The invention provides a kind of refrigerating device and its condensation prevention control method, wherein refrigerating device includes：Casing, defines storing compartment in it；Door body, is arranged on casing, is configured to be opened and closed storing compartment；Refrigeration system, constitutes compression-type refrigeration and circulates, and be configured to provide cold to storing compartment using compressor, condenser, throttling arrangement and evaporator；Anti-condensation pipe, is arranged between condenser and throttling arrangement, and is configured to；Bypass pipe, is arranged in parallel with anti-condensation pipe；And anti-condensation switching device, it is configured to the refrigerant of refrigeration system is flowed through anti-condensation pipe or bypass pipe according to the running status of refrigerating device.The program is in anti-condensation pipe two ends parallel connection bypass pipe, anti-condensation heating is carried out when refrigerant flows through anti-condensation pipe, refrigerant is flowed through bypass pipe when that need not heat so that the start and stop of anti-condensation pipe are controllable, eliminate the influence that anti-condensation pipe continuous heating brings to refrigeration system.
Description
Technical field
The present invention relates to refrigeration plant, more particularly to refrigerating device and its condensation prevention control method.
Background technology
Condensation be due to high temperature, high humidity gas when cryogenic object is run into, when reach dew-point temperature and in its surface liquid
The phenomenon of gas is turned to, because internal temperature of refrigerator is far below ambient temperature, the cold in casing passes through heat insulation layer and door
Strip of paper used for sealing is to casing external diffusion, therefore dew condensation phenomenon easily occurs in the seam crossing of casing and door body.
The dew condensation phenomenon of refrigerator is more common in the larger area of humidity, and it not only influences the outward appearance of refrigerator, can also adsorb
Dust and debris in air, prolonged condensation can cause metal parts rust corrosion, and plastic part is smelly mouldy, reduce ice
Life-span and the experience of user that case is used.The both sides of casing chamber door, crossbeam, at the vertical beam of clamshell doors it is that dew condensation phenomenon occurs
Main positions.
For this problem, the main solution taken in the prior art is to be susceptible to the position that condensation manifests above-mentioned
Heater strip or anti-condensation pipe are installed, above-mentioned position is heated, it is ensured that the temperature of above-mentioned condensation position is higher than dew point temperature
Degree, to prevent condensation.
But heater strip needs to expend extra electric power, causes electric loss of energy.Anti-condensation pipe is using refrigeration system
The heat that disengages of condensation is heated, carry out the characteristics of so as to make use of refrigeration system it is anti-condensation, however, anti-condensation pipe follows system
Cooling system starts, it is impossible to actively close, even if causing environmental drying, it is not easy to occur still being generated heat during condensation, may cause one
Partial heat enters storing compartment, increases cooling load, influences storing environment.
The content of the invention
It is an object of the present invention to provide a kind of anti-condensation effect the good refrigerating dress on refrigeration performance without influence
Put and its condensation prevention control method.
Especially, the invention provides a kind of refrigerating device, it includes：Casing, defines storing compartment in it；Door
Body, is arranged on casing, is configured to be opened and closed storing compartment；Refrigeration system, using compressor, condenser, throttling arrangement and evaporation
Device constitutes compression-type refrigeration circulation, and is configured to provide cold to storing compartment；Anti-condensation pipe, is arranged at condenser and is filled with throttling
Between putting, and it is configured to；Bypass pipe, is arranged in parallel with anti-condensation pipe；And anti-condensation switching device, it is configured to according to cold
The running status for hiding refrigerating plant makes the refrigerant of refrigeration system flow through anti-condensation pipe or bypass pipe.
Alternatively, above-mentioned refrigerating device also includes：Environment humidity sensor, is configured to measure refrigerating device
The environment temperature and ambient humidity of place environment；And anti-condensation switching device, is configured to according to environment temperature and ring
Border humidity makes the refrigerant of refrigeration system flow through anti-condensation pipe or bypass pipe.
Alternatively, anti-condensation switching device is configured to：Read default anti-condensation graph of operation cycle, anti-condensation operation week
Contact area occurs without refrigerant process needed for dew condensation phenomenon under phase table has pre-saved varying environment temperature and environmental damp condition
The ratio of anti-condensation pipe, ratio is designated as anti-condensation taking up rate；Inquiry and environment temperature and ring in anti-condensation graph of operation cycle
The anti-condensation of the matching of border humidity takes up rate, and according to anti-condensation ratio of the control refrigerant by anti-condensation pipe that take up rate for inquiring
Rate.
Alternatively, above-mentioned refrigerating device also includes：Condensation temperature sensor, is arranged at the contact zone of casing and door body
Domain, and it is configured to detect the temperature of contact area, and anti-condensation switching device is configured to：Determine environment temperature and environment
Dew-point temperature under damp condition, by controlling refrigerant by anti-condensation pipe so that the temperature of contact area is more than or equal to dew point
Temperature.
Alternatively, anti-condensation switching device is configured to：Default condensation thermometer is read, condensation thermometer is pre-saved
There is the dew-point temperature of varying environment temperature and environmental damp condition；Ring where refrigerating device is inquired from condensation thermometer
The dew-point temperature in border.
According to another aspect of the present invention, a kind of condensation prevention control method of refrigerating device is additionally provided, this is cold
Hiding refrigerating plant includes：The casing of storing compartment is limited, the door body of storing compartment is opened and closed, using compressor, condenser, throttling dress
Put and constitute the refrigeration system that compression-type refrigeration is circulated with evaporator, be arranged at the anti-condensation pipe between condenser and throttling arrangement,
The bypass pipe being arranged in parallel with anti-condensation pipe, and condensation prevention control method includes：Detect the operation of refrigerating device
State；The refrigerant of refrigeration system is set to flow through anti-condensation pipe or bypass pipe according to running status, and it is anti-condensation to flow through refrigerant
Contact area during dew pipe to casing and door body is heated, and condensation occurs to prevent contact area.
Alternatively, the running status of refrigerating device includes the environment temperature and ring of environment where refrigerating device
Border humidity.
Alternatively, the step of making the refrigerant of refrigeration system flow through anti-condensation pipe or bypass pipe according to running status wraps
Include：Default anti-condensation graph of operation cycle is read, anti-condensation graph of operation cycle has pre-saved varying environment temperature and environmental wet
Contact area occurs without ratio of the refrigerant needed for dew condensation phenomenon by anti-condensation pipe under the conditions of degree, and ratio is designated as anti-condensation open-minded
Rate；And in anti-condensation graph of operation cycle inquiry and environment temperature and ambient humidity match it is anti-condensation take up rate, and
According to anti-condensation ratio of the control refrigerant by anti-condensation pipe that take up rate for inquiring.
Alternatively, the step of making the refrigerant of refrigeration system flow through anti-condensation pipe or bypass pipe according to running status wraps
Include：Detect the temperature of contact area；Determine the dew-point temperature under environment temperature and environmental damp condition；Passed through by controlling refrigerant
Cross anti-condensation pipe and cause that the temperature of contact area is more than or equal to dew-point temperature.
Optionally it is determined that the step of dew-point temperature under environment temperature and environmental damp condition includes：Read default
Condensation thermometer, condensation thermometer pre-saves the dew-point temperature of varying environment temperature and environmental damp condition；From condensation temperature
The dew-point temperature of environment where refrigerating device is inquired in degree table.
Refrigerating device of the invention and its condensation prevention control method, in anti-condensation pipe two ends parallel connection bypass pipe,
The refrigerant of refrigeration system can be made to flow through anti-condensation pipe or bypass pipe according to the running status of refrigerating device, cold
Matchmaker carries out anti-condensation heating when flowing through anti-condensation pipe, refrigerant is flowed through bypass pipe when that need not heat so that anti-condensation pipe
Start and stop it is controllable, eliminate the influence that anti-condensation pipe continuous heating brings to refrigeration system.
Further, refrigerating device of the invention and its condensation prevention control method, can be according to refrigerating device
Running status refrigerant was switched before anti-condensation pipe and bypass pipe, on the premise of condensation is prevented as far as possible reduce it is anti-condensation
Reveal the use of pipe.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter
Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the schematic elevational view of refrigerating device according to an embodiment of the invention；
Fig. 2 is the functional block diagram of refrigerating device according to an embodiment of the invention；
Fig. 3 is the schematic block of the refrigeration system of refrigerating device refrigerating device according to an embodiment of the invention
Figure；
Fig. 4 is the schematic block diagram of refrigerating device refrigerating device according to another embodiment of the present invention；
Fig. 5 is the schematic block diagram of the refrigerating device refrigerating device according to further embodiment of this invention；
Fig. 6 is the schematic diagram of the condensation prevention control method of refrigerating device according to an embodiment of the invention；And
Fig. 7 is the schematic flow sheet of the condensation prevention control method of refrigerating device according to an embodiment of the invention.
Specific embodiment
Fig. 1 is the schematic elevational view of refrigerating device 10 according to an embodiment of the invention, and Fig. 2 is according to this hair
The functional block diagram of the refrigerating device 10 of bright one embodiment.The refrigerating device 10 of the present embodiment is comprising system
A kind of article-storage device of cooling system 200, its form is refrigerator.Refrigeration system 200 can be common compression refrigerating system, and it passes through
For example direct-cooled and/or air-cooled form provides cold to storing compartment 130, so that storing compartment has desired preservation temperature.Should
Refrigerating device 10 can be refrigerator or other household refrigeration freezing equipments.It is therein in the description of the embodiment of the present invention
Orientation is described according to the use state that user likes, and " preceding " of such as indicating position refers to being provided with the refrigerating dress
Install and be equipped with door body 120 and towards the side of user.
The refrigerating device 10 in general manner include casing 110, door body 120, refrigeration system 200, anti-condensation pipe 221,
Bypass pipe 222, anti-condensation switching device 220.
The unlimited storing compartment 130 at least one front side is defined in casing 110, usually multiple, such as refrigerating chamber, freezing
Room, temperature-changing chamber etc..The quantity and function of specific storing compartment 130 can be configured according to advance demand, at some
In embodiment, the preservation temperature of refrigerating chamber can be 2~9 DEG C, or can be 4~7 DEG C；The preservation temperature of refrigerating chamber can for -22~-
14 DEG C, or can be -20~16 DEG C.Refrigerating chamber is arranged at the lower section of refrigerating chamber, temperature-changing chamber be arranged at refrigerating chamber and refrigerating chamber it
Between.Temperature range in refrigerating chamber is general at -14 DEG C to -22 DEG C.Temperature-changing chamber can be adjusted according to demand, suitable to store
Food, or as antistaling storing room.
Door body 120, is arranged at the front side of casing 110, for being opened and closed storing compartment 130.For example door body 120 can be by being hinged
Mode the side of the front portion of casing 110 is set, by being pivotably opened and closed storing compartment 130, the quantity of door body 120 can be with
The quantity Matching of storing compartment 130, such that it is able to storing compartment 130 is individually opened one by one.For example can be refrigerating chamber, freezing
Room, temperature-changing chamber are respectively provided with refrigerating chamber door body, refrigerating chamber door body, temperature-changing chamber door body.In some alternative embodiments, door body 120
Can also be using forms such as vertical hinged door, clamshell doors, side sliding door, sliding doors.
Fig. 3 is the schematic block diagram of the refrigeration system 200 of refrigerating device 10 according to an embodiment of the invention, refrigeration
System 200 can be the kind of refrigeration cycle system being made up of compressor 210, condenser 211, throttling arrangement 212 and throttling arrangement 212 etc.
System.Throttling arrangement 212 is configured to directly or indirectly to providing cold in storing compartment 130.For example, working as the refrigerating device
10 be family expenses compression direct cooling refrigerator when, throttling arrangement 212 may be disposed at inner container of icebox rear surface outside or inner side.When this is cold
When hiding refrigerating plant 10 for family expenses compression wind cooling refrigerator, also there is evaporator room in casing, evaporator room passes through air path system
Connected with storing compartment 130, and throttling arrangement 212 is set in evaporator room, exit is provided with blower fan, with to storing compartment
130 are circulated refrigeration.
Compressor 210 is the power of kind of refrigeration cycle, its pressure and temperature that refrigerant vapor is improved by compression, is created
By the heat of refrigerant vapor outwardly surrounding medium transfer condition, will low-temp low-pressure refrigerant vapor be compressed to HTHP shape
State, so that refrigerant vapor can be condensed as cooling medium with the air of normal temperature or water.
Condenser 211 is a heat-exchange apparatus, using environment by the HTHP refrigerant vapor from compressor 210
Heat is taken away, and HTHP refrigerant vapor is cooled down, be condensed into the refrigerant liquid of normal pressure and temperature high.
The refrigerant liquid of normal pressure and temperature high is turned into low-temp low-pressure refrigerant by throttling arrangement 212, the pressure of refrigerant liquid is reduced
Power, and reduce the temperature of refrigerant liquid.
Throttling arrangement 212 is also a heat-exchange apparatus.Low-temp low-pressure refrigerant liquid evaporation (boiling in it after throttling
Rise) it is changed into steam, the heat in storing compartment 130 is absorbed, make its temperature drop, reach the purpose of freezing, chilled food.
In the refrigerating device 10 of the present embodiment, anti-condensation pipe is provided between condenser 211 and throttling arrangement 212
221, the effect of the anti-condensation pipe 221 is consistent with condenser 211, discharges the heat of refrigerant, to connecing for casing 110 and door body 120
Tactile region is heated, and condensation occurs to prevent contact area.Anti-condensation pipe 221 can be arranged in casing 110 with the phase of door body 120
The intra-zone of contact, particular location can be configured according to condensation situation, such as inside of the front frame of casing 110, vertical beam
Inside etc..
Bypass pipe 222 is arranged in parallel with anti-condensation pipe 221.Anti-condensation switching device 220 is configured to cold according to refrigerating
The running status for freezing device 10 makes the refrigerant of refrigeration system 200 flow through anti-condensation pipe 221 or bypass pipe 222.Bypass connects
Siphunculus 222 can avoid it from being posted by inner container of icebox, prevent its heating influence refrigeration performance.Anti-condensation switching device 220 can be with
The stream of anti-condensation pipe 221 or bypass pipe 222 is flowed through using electromagnetism Vavle switching refrigerant.
A kind of specific alternative construction of refrigerant circulation stream is：It is compressor 210, throttling arrangement 212, throttling arrangement 212, dry
Dry filter, anti-condensation pipe 221, condenser 211 finish up be connected successively, the first end of connecting tube and the first of anti-condensation pipe 221
End is respectively communicated to device for drying and filtering, and the second end of connecting tube and the second end of anti-condensation pipe 221 connect anti-condensation switching respectively
The first end of device 220 and the second end, the 3rd end of anti-condensation switching device 220 are communicated to condenser 211.In some embodiments
In, anti-condensation switching device 220 can use two-position three-way valve, its in the first state condenser 211 connect with anti-condensation pipe 221
Logical, refrigerant carries out anti-condensation heating by anti-condensation pipe 221；Condenser 211 in the second condition of anti-condensation switching device 220
Connected with bypass pipe 222, refrigerant passes through bypass pipe 222.Wherein device for drying and filtering is used to filter refrigerant, has
Moisture content in effect ground adsorption refrigerating agent, so as to avoid icing.
The running status of refrigerating device 10 mainly includes hiding the environment temperature and environment of environment where refrigerating plant
Humidity.Fig. 4 is the schematic block diagram of refrigerating device 10 according to another embodiment of the present invention, and refrigerating device 10 also sets up
There is environment humidity sensor 310.The environment humidity sensor 310 can be configured to the place ring of measurement refrigerating device 10
The environment temperature and ambient humidity in border.Because the major influence factors of condensation are the environment of the place environment of refrigerating device 10
Temperature and ambient humidity.Anti-condensation switching device 220 can make refrigeration system 200 according to environment temperature and ambient humidity
Refrigerant flows through anti-condensation pipe 221 or bypass pipe 222.
A kind of course of work of anti-condensation switching device 220 is：Read default anti-condensation graph of operation cycle, anti-condensation fortune
Contact area occurs without refrigerant needed for dew condensation phenomenon under line period table has pre-saved varying environment temperature and environmental damp condition
By the ratio of anti-condensation pipe 221, ratio is designated as anti-condensation taking up rate；Inquiry and environment temperature in anti-condensation graph of operation cycle
And the anti-condensation of the matching of ambient humidity takes up rate, and according to the anti-condensation control refrigerant that takes up rate for inquiring by anti-condensation
The ratio of pipe 221.For example can be directed to certain type refrigerator, in advance to model machine carry out test summary draw, varying environment temperature with
And in the case of ambient humidity, the operating time needed for anti-condensation pipe 221, so as to draw anti-condensation graph of operation cycle, for this
Type refrigerator is used.
Fig. 5 is the schematic block diagram of the refrigerating device 10 according to further embodiment of this invention, and the refrigeration of the embodiment is cold
Freeze device 10 and be additionally provided with condensation temperature sensor 320.The condensation temperature sensor 320 is arranged at casing 110 and door body 120
Contact area, and it is configured to detect the temperature of contact area.Anti-condensation switching device 220 can be entered according to the temperature of contact area
Row regulation, for example, can determine the dew-point temperature under environment temperature and environmental damp condition, by controlling refrigerant by anti-condensation
Dew pipe 221 causes that the temperature of contact area is more than or equal to dew-point temperature.Anti-condensation switching device 220 can be in the following manner
Determine dew-point temperature：Default condensation thermometer is read, condensation thermometer has pre-saved varying environment temperature and ambient humidity
The dew-point temperature of condition；The dew-point temperature of the place environment of refrigerating device 10 is inquired from condensation thermometer.Dew-point temperature
Refer to that air under the conditions of moisture content and air pressure are all immovable, is cooled to temperature during saturation, in advance can be by measuring
Go out.
The analysis and treatment of above-mentioned data, can be realized by the master control borad of refrigerating device 10.
The present embodiment additionally provides a kind of condensation prevention control method of refrigerating device, and the condensation prevention control method can be with
Performed by the refrigerating device 10 of any of the above-described embodiment, anti-condensation effect is improved in the case where reducing on refrigeration performance influence
Really.Fig. 6 is the schematic diagram of the condensation prevention control method of refrigerating device according to an embodiment of the invention.The refrigerating
The condensation prevention control method of device can include in general manner：
Step S602, the running status of detection refrigerating device 10；
Step S604, makes the refrigerant of refrigeration system 200 flow through anti-condensation pipe 221 or bypass pipe according to running status
222, and contact area when making refrigerant flow through anti-condensation pipe 221 to casing 110 and door body 120 heats, to prevent contact
There is condensation in region.
The running status of above-mentioned refrigerating device 10 can include the environment temperature of the place environment of refrigerating device 10
And ambient humidity.
A kind of optional mode of step S604 is：Read default anti-condensation graph of operation cycle, anti-condensation graph of operation cycle
Refrigerant needed for contact area under varying environment temperature and environmental damp condition occurs without dew condensation phenomenon has been pre-saved by anti-condensation
Reveal the ratio of pipe 221, ratio is designated as anti-condensation taking up rate；And in anti-condensation graph of operation cycle inquiry with environment temperature and
The anti-condensation of the matching of ambient humidity takes up rate, and according to the anti-condensation control refrigerant that takes up rate for inquiring by anti-condensation pipe
221 ratio.For example after the startup of refrigeration system 200, anti-condensation switching device 220 can take up rate according to the anti-condensation of matching
Refrigerant is set to alternately pass through anti-condensation pipe 221 or bypass pipe 222.
Another optional mode of step S604 is：Detect the temperature of contact area；Determine environment temperature and environmental wet
Dew-point temperature under the conditions of degree；By controlling refrigerant by anti-condensation pipe 221 so that the temperature of contact area is more than or equal to dew
Point temperature.The step of wherein determining the dew-point temperature under environment temperature and environmental damp condition includes：Read default condensation
Thermometer, condensation thermometer pre-saves the dew-point temperature of varying environment temperature and environmental damp condition；From condensation thermometer
In inquire the dew-point temperature of the place environment of refrigerating device 10.
Fig. 7 is the schematic flow sheet of the condensation prevention control method of refrigerating device according to an embodiment of the invention,
The duration for making refrigerant flow into anti-condensation pipe 221 can be judged with the temperature of contact area in the flow, specific steps can be wrapped
Include：
Step S702, the environment temperature and ambient humidity of the place environment of detection refrigerating device 10；
Step S704, inquires the dew-point temperature of the place environment of refrigerating device 10；
Step S706, it is determined that the temperature upper limit Tmax and temperature upper limit value Tmin that are matched with dew-point temperature, wherein temperature
Lower limit Tmin can be dew-point temperature or a little higher than dew-point temperature, width temperature upper limit Tmax certain more than dew-point temperature
Value；
Step S708, detects the temperature t in anti-condensation region；
Whether step S710, judge t less than or equal to Tmin；
Step S712, if t is less than or equal to Tmin, makes refrigerant by anti-condensation pipe 221, and condensation position is added
Heat；
Whether step S714, judge t more than or equal to Tmax；
Step S716, in the case where t is more than or equal to Tmax, makes refrigerant pass through bypass pipe 222.
The temperature that can ensure condensation position by above-mentioned steps is consistently higher than dew-point temperature, occurs coagulating so as to avoid
Dew.
The refrigerating device 10 and its condensation prevention control method of the present embodiment, in the bypass in parallel of the two ends of anti-condensation pipe 221
Communicating pipe 222, the refrigerant of refrigeration system 200 can be made to flow through anti-condensation pipe 221 according to the running status of refrigerating device 10
Or bypass pipe 222, anti-condensation heating is carried out when refrigerant flows through anti-condensation pipe 221, refrigerant stream is made when that need not heat
Through bypass pipe 222 so that the start and stop of anti-condensation pipe 221 are controllable, the continuous heating of anti-condensation pipe 221 is eliminated to refrigeration system
200 influences for bringing.And refrigerant can be connected in anti-condensation pipe 221 and bypass according to the running status of refrigerating device 10
Switch before siphunculus 222, reduce the use of anti-condensation pipe 221 as far as possible on the premise of condensation is prevented.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show
Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure
It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers all these other variations or modifications.
Claims (10)
1. a kind of refrigerating device, including：
Casing, defines storing compartment in it；
Door body, is arranged on the casing, is configured to be opened and closed the storing compartment；
Refrigeration system, using compressor, condenser, throttling arrangement and evaporator constitute compression-type refrigeration circulate, and be configured to
The storing compartment provides cold；
Anti-condensation pipe, is arranged between the condenser and the throttling arrangement, and is configured to the casing and the door body
Contact area heated, there is condensation to prevent the contact area；
Bypass pipe, is arranged in parallel with the anti-condensation pipe；And
Anti-condensation switching device, is configured to make the refrigerant stream of the refrigeration system according to the running status of the refrigerating device
Through the anti-condensation pipe or the bypass pipe.
2. refrigerating device according to claim 1, wherein also including：
Environment humidity sensor, is configured to measure the environment temperature and environmental wet of environment where the refrigerating device
Degree；And
The anti-condensation switching device, is configured to make the refrigeration system according to the environment temperature and the ambient humidity
Refrigerant flow through the anti-condensation pipe or the bypass pipe.
3. refrigerating device according to claim 2, wherein the anti-condensation switching device is configured to：
Default anti-condensation graph of operation cycle is read, the anti-condensation graph of operation cycle has pre-saved varying environment temperature and ring
The contact area occurs without ratio of the refrigerant needed for dew condensation phenomenon by the anti-condensation pipe under the damp condition of border, described
Ratio is designated as anti-condensation taking up rate；
Inquired about in the anti-condensation graph of operation cycle with the environment temperature and the ambient humidity match it is anti-condensation
Take up rate, and according to described anti-condensation ratio of the control refrigerant by the anti-condensation pipe that take up rate for inquiring.
4. refrigerating device according to claim 2, also includes：
Condensation temperature sensor, is arranged at the contact area of the casing and the door body, and is configured to detect the contact zone
The temperature in domain, and
The anti-condensation switching device is configured to：
The dew-point temperature under the environment temperature and the environmental damp condition is determined, by controlling the refrigerant by described
Anti-condensation pipe causes that the temperature of the contact area is more than or equal to the dew-point temperature.
5. refrigerating device according to claim 4, wherein the anti-condensation switching device is configured to：
Read default condensation thermometer, the condensation thermometer pre-saves varying environment temperature and environmental damp condition
Dew-point temperature；
The dew-point temperature of environment where the refrigerating device is inquired from the condensation thermometer.
6. a kind of condensation prevention control method of refrigerating device, the refrigerating device includes：Limit the case of storing compartment
Body, is opened and closed the door body of the storing compartment, and constituting compression-type refrigeration using compressor, condenser, throttling arrangement and evaporator follows
The refrigeration system of ring, is arranged at the anti-condensation pipe between the condenser and the throttling arrangement, in parallel with the anti-condensation pipe
The bypass pipe of setting, and the condensation prevention control method includes：
Detect the running status of the refrigerating device；
The refrigerant of the refrigeration system is set to flow through the anti-condensation pipe or the bypass pipe according to the running status, and
Contact area when making the refrigerant flow through the anti-condensation pipe to the casing and the door body is heated, described to prevent
There is condensation in contact area.
7. method according to claim 6, wherein,
The running status of the refrigerating device includes the environment temperature and environment of environment where the refrigerating device
Humidity.
8. method according to claim 7, wherein, the refrigerant of the refrigeration system is flowed through institute according to the running status
The step of stating anti-condensation pipe or the bypass pipe includes：
Default anti-condensation graph of operation cycle is read, the anti-condensation graph of operation cycle has pre-saved varying environment temperature and ring
The contact area occurs without ratio of the refrigerant needed for dew condensation phenomenon by the anti-condensation pipe under the damp condition of border, described
Ratio is designated as anti-condensation taking up rate；And
Inquired about in the anti-condensation graph of operation cycle with the environment temperature and the ambient humidity match it is anti-condensation
Take up rate, and according to described anti-condensation ratio of the control refrigerant by the anti-condensation pipe that take up rate for inquiring.
9. method according to claim 8, wherein, the refrigerant of the refrigeration system is flowed through institute according to the running status
The step of stating anti-condensation pipe or the bypass pipe includes：
Detect the temperature of the contact area；
Determine the dew-point temperature under the environment temperature and the environmental damp condition；
By controlling the refrigerant by the anti-condensation pipe so that the temperature of the contact area is more than or equal to the dew point
Temperature.
10. method according to claim 9, wherein it is determined that under the environment temperature and the environmental damp condition
The step of dew-point temperature, includes：
Read default condensation thermometer, the condensation thermometer pre-saves varying environment temperature and environmental damp condition
Dew-point temperature；
The dew-point temperature of environment where the refrigerating device is inquired from the condensation thermometer.
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