CN1295466C - Refrigeration apparatus and refrigerator with the refrigeration apparatus - Google Patents
Refrigeration apparatus and refrigerator with the refrigeration apparatus Download PDFInfo
- Publication number
- CN1295466C CN1295466C CNB2004100421914A CN200410042191A CN1295466C CN 1295466 C CN1295466 C CN 1295466C CN B2004100421914 A CNB2004100421914 A CN B2004100421914A CN 200410042191 A CN200410042191 A CN 200410042191A CN 1295466 C CN1295466 C CN 1295466C
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- China
- Prior art keywords
- heat exchanging
- exchanging fin
- evaporimeter
- refrigerating plant
- coolant hose
- Prior art date
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Classifications
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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
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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
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
- F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
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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
- F25D2400/06—Refrigerators with a vertical mullion
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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
- F25D2500/00—Problems to be solved
- F25D2500/02—Geometry problems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/0071—Evaporators
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Geometry (AREA)
- Removal Of Water From Condensation And Defrosting (AREA)
- Defrosting Systems (AREA)
Abstract
A refrigeration apparatus generating cooling air, including an evaporator having a coolant tube with a plurality of bending parts, and heat exchange fins formed with at least one coolant tube accommodating part coupling with the coolant tube. The refrigeration apparatus also has a defrosting unit adjacent to the evaporator to remove frost formed on the evaporator, and each heat exchange fin is inclined at an inclination angle so that a longitudinal direction of the heat exchange fin forms an acute angle relative to a vertical direction to enable the water drops defrosted by the defrosting unit to flow downward to a bottom end of the heat exchange fin. Opposite sides of each heat exchange fin have rounded corner parts. As describe above, the evaporator has better performance and reduces power consumption.
Description
Technical field
The present invention relates to a kind of refrigerating plant and the refrigerator that has this refrigerating plant, more specifically, relate to a kind of refrigerating plant and the refrigerator that has this refrigerating plant, described refrigerating plant has heat exchanging fin, this heat exchanging fin has improved structure, and is arranged on the evaporimeter of refrigerating plant.
Background technology
Usually, refrigerating plant comprises: compressor is used for compressing the cooling agent of the gaseous state of high pressure, high temperature; Condenser is used for the gaseous coolant by compressor compresses is condensed into liquid state; Capillary is used for converting the cooling agent of liquid state to low pressure, low-temperature condition; And evaporimeter, it evaporates the liquid coolant that converts low pressure, low-temperature condition by capillary to by absorbing latent heat, so that the cooling ambient air.
Described refrigerating plant not only can be used in the refrigerator, also can be used in the various heat exchangers such as aircondition.
Refrigerator generally includes: main body, and it is divided into freezing chamber and refrigerating chamber; Door, it is used to cover the open front of freezing chamber and refrigerating chamber; And refrigerating plant, be used for chill chamber and refrigerating chamber.Here, freezing chamber and refrigerating chamber can be by being cooled the cooling air circulation around the evaporimeter in refrigerating chamber and refrigerating chamber, and described evaporimeter is arranged in the refrigerating plant.
Fig. 1 shows the cutaway view that is arranged on the evaporimeter in traditional refrigerating plant.As shown in the figure, the evaporimeter 120 in traditional refrigerating plant has: the coolant hose 123 that is used for circulating coolant; And heat exchanging fin 130, it improves heat exchanger effectiveness by being connected to coolant hose 123.And, owing to the surface of coolant hose 123 with from the temperature difference between the air of refrigerator (not shown) apotheca diffusion inside, make when the airborne moisture of refrigerator (not shown) apotheca diffusion inside is bonded on the surface of coolant hose 123, on the surface of coolant hose 123 and heat exchanging fin 130, form frost.Because frost reduces rate of heat exchange, so reduced the efficient of evaporimeter.Refrigerating plant comprises the defroster (not shown) such as heater, so that remove the frost that forms on evaporimeter 120.
Some heat exchanging fins 130 are arranged on the evaporimeter 120, are formed with coolant hose holding portion 131 on the surface of heat exchanging fin 130, and described coolant hose holding portion 131 links together with coolant hose 123, and holds coolant hose 123.And the coolant hose 123 agent pipe support member 125 that is cooled is supported in refrigerator.Therefore, traditional refrigerator can only improve the thermal efficiency by the area that increases coolant hose 123 and heat exchanging fin 130.
Yet,, accumulate at the water droplet that forms during the defrost operation that is undertaken by defroster on the angle part 135 of lower area of heat exchanging fin 130 because conventional evaporator 120 has the longitudinal direction vertical with vertical direction.Meanwhile, defrost operation is finished after, freezed once more during circulate coolant, thereby caused another problem of the performance of reduction evaporimeter 120 owing to accumulate in water droplet on the angle part 135 of heat exchanging fin 130.
Summary of the invention
Therefore, an aspect of of the present present invention provides a kind of refrigerating plant and has the refrigerator of this refrigerating plant, and described refrigerating plant has improved the performance of evaporimeter.
Aforementioned and/or others of the present invention can realize that described refrigerating plant comprises by a kind of refrigerating plant that produces the cooling air is provided: evaporimeter, and it has the coolant hose that has some sweeps; And heat exchanging fin, it is formed with at least one coolant hose holding portion that links to each other with coolant hose.Described refrigerating plant also comprises the defrost unit of contiguous evaporimeter, so that remove the frost that on evaporimeter, forms, each heat exchanging fin tilts with certain inclination angle, so that the longitudinal direction of heat exchanging fin forms acute angle with respect to vertical direction, so that the water droplet that is melted by defrost unit flows to the bottom of heat exchanging fin downwards, and the couple positioned opposite of each heat exchanging fin has the fillet part.
According to an aspect of the present invention, at least one bight of each heat exchanging fin is by sphering, and has the radius in about 5mm and the 20mm scope.
According to an aspect of the present invention, the scope at the inclination angle of heat exchanging fin is spent between 70 degree about 50.
Moreover heat exchanging fin has at least one to be given prominence to, and its surface from heat exchanging fin is vertical outstanding.
In another aspect of this invention, to lopsidedness, and the bottom of each heat exchanging fin is adjacent to the wall that evaporimeter is installed to heat exchanging fin with respect to vertical direction.
According to another aspect of the present invention, the coolant hose support member is arranged on the opposite side of evaporimeter, so that support coolant hose.
In addition, heat exchanging fin be shaped as rectangular slab, the coolant hose holding portion is formed on the surface of heat exchanging fin in pairs.
According to a further aspect in the invention, above-mentioned and/or others also can realize that described refrigerator comprises by a kind of refrigerator is provided: above-mentioned refrigerating plant; Main body, it has at least one apotheca, offers described apotheca by the cooling air that refrigerating plant produced; And at least one door, it covers the opening of apotheca.
According to a further aspect in the invention, above-mentioned and/or others also can realize by a kind of method of removing the frost on the evaporimeter is provided, described evaporimeter has at least one heat exchanging fin, described heat exchanging fin comprises the edge of at least one sphering and the bottom of wedge angle, described evaporimeter is installed on the evaporimeter holding portion, and described method comprises: forming frost during the kind of refrigeration cycle on evaporimeter; After each kind of refrigeration cycle, remove the frost on the evaporimeter and collect the water that on the wedge angle bottom of heat exchanging fin, forms in the defrost process; Wherein, water along the edge of described sphering and described heat exchanging fin flow along oblique length downwards and wherein, the water that is collected in the wedge angle bottom of described heat exchanging fin flows along described evaporimeter holding portion.
According to a further aspect in the invention, above-mentioned and/or others also can realize by a kind of air-conditioner is provided, and comprising: refrigerating plant, and described refrigerating plant comprises: evaporimeter, described evaporimeter has: the coolant hose that comprises at least one sweep; And at least one heat exchanging fin, described heat exchanging fin has at least one and the contacted coolant hose of described coolant hose holds parts; Defrost unit with contiguous described evaporimeter, be used to remove the frost that on evaporimeter, forms, wherein, described heat exchanging fin tilts with certain inclination angle, so that the longitudinal direction of heat exchanging fin forms acute angle with respect to vertical direction, described inclination angle makes the water droplet that is melted by defrost unit flow to the bottom of heat exchanging fin and wherein downwards, and the top and the opposite side between the bottom of described heat exchanging fin comprise the fillet part.
Others of the present invention and/or advantage part will describe in the following description, and part can obviously draw from the following description, or learn by implementing the present invention.
Description of drawings
In conjunction with the accompanying drawings, from the following description, these and/or others of the present invention and advantage will become more obviously and be easier to understand, wherein:
Fig. 1 is the partial sectional view of conventional evaporator;
Fig. 2 is the front view of refrigerator, and described refrigerator comprises the refrigerating plant according to the embodiment of the invention;
Fig. 3 is the perspective view of the refrigerator of Fig. 2;
Fig. 4 is the perspective view of the evaporimeter of the refrigerating plant among Fig. 3;
Fig. 5 is the cutaway view of V-V along the line intercepting of evaporimeter of the refrigerating plant of Fig. 3; With
Fig. 6 is the front view according to the heat exchanging fin of evaporimeter in the refrigerating plant of the embodiment of the invention.
The specific embodiment
Below will describe content of the present invention in detail, its example shown in the drawings, wherein identical label is represented identical parts in whole accompanying drawings.For the present invention is described, content of the present invention is described below with reference to the accompanying drawings.
Shown in Fig. 2 and 3, refrigerator 1 comprises according to an embodiment of the invention: main body 10, and it has the apotheca such as refrigerating chamber 13 and refrigerating chamber 14; Door 5, it covers the open front of refrigerating chamber 13 and refrigerating chamber 14; Refrigerating plant, it is arranged on the Background Region of main body 10, and disposes evaporimeter 20 and cool off refrigerating chamber 13 and refrigerating chamber 14 to produce the cooling air; And defroster 40, be used to remove the frost that on evaporimeter 20 surfaces, forms.
The refrigerating chamber 13 of main body 10 and refrigerating chamber 14 have shelf 15 and compartment 16, so that hold the article such as food.And the Background Region of main body 10 is provided with: evaporimeter holding portion 18 is used to hold evaporimeter 20; And holding portion lid 19, the front that it is arranged on evaporimeter holding portion 18 is used to cover evaporimeter holding portion 18.
As shown in Figure 4, refrigerating plant has: the compressor (not shown) is used for compressing the gaseous coolant of high pressure and high temperature; The condenser (not shown) is used for the cooling agent by the compression of compressor (not shown) is condensed into liquid; The capillary (not shown) is used for converting the cooling agent of liquid state to low pressure and low-temperature condition; Evaporimeter 20, it evaporates the liquid coolant that is converted to low pressure and low-temperature condition by capillary by absorbing latent heat, thus the cooling ambient air; And tube connector 27, be used to connect compressor, capillary and evaporimeter 20, so that cooling agent can be circulated.Therefore, refrigerating chamber 13 and refrigerating chamber 14 can be by being cooled the cooling air circulation around the evaporimeter 20 in refrigerating chamber 13 and refrigerating chamber 14.
As shown in Figure 5, evaporimeter has: the coolant hose 23 that is used for carrying cooling agent; And heat exchanging fin 30, it is formed with at least one coolant hose holding portion 31 so that link to each other with coolant hose 23.In addition, evaporimeter 20 its opposite sides are provided with coolant hose support member 25, are used to support coolant hose 23.
Coolant hose support member 25 is separately positioned on the opposite side of coolant hose 23, so that support the shape of coolant hose 23.And coolant hose support member 25 is connected on evaporimeter holding portion 18 and the screw, so that evaporimeter 20 can be connected to evaporimeter holding portion 18.
Fig. 6 shows heat exchanging fin 30, and described heat exchanging fin 30 is provided with along predetermined angle " α ", so as heat exchanging fin 30 vertically form acute angle with respect to vertical direction, make the water droplet of thawing flow to the bottom 33 of heat exchanging fin.Call by name and talk about, the vertical line " B " of vertical line of heat exchanging fin 30 " A " and water droplet drippage should form acute angle " α ".And acute angle should be between 50 degree and 75 degree.Yet, can be between 40 degree and 50 degree, so that the water droplet that forms on heat exchanging fin 30 can easily flow to bottom 33 by the angle " α " that the vertical line " A " and the vertical line " B " of heat exchanging fin 30 forms.And, can determine according to the distance between the length of heat exchanging fin 30 and the coolant hose 23 that vertically is provided with by the angle " α " that the vertical line " A " and the vertical line " B " of heat exchanging fin 30 forms.And each heat exchanging fin 30 is with respect to vertical direction and to lopsidedness, and the bottom 33 of each heat exchanging fin 30 is adjacent with the wall that evaporimeter 20 is installed.In other words, the bottom 33 of inclination heat exchanging fin 30 is so that bottom 33 is adjacent to the inwall of evaporimeter holding portion 18.Therefore, flowing to the water droplet of the bottom 33 of heat exchanging fin 30 can be along the wall of evaporimeter holding portion 18 to dirty.And the lower area of evaporimeter holding portion 18 can comprise the tap (not shown), so that eject the water from heat exchanging fin 30.Yet as selection, the lower area of evaporimeter holding portion 18 can be provided with the additional water capacity and receive the parts (not shown), so that collect water droplet.
Moreover fillet part 35 is arranged on the opposite side of heat exchanging fin 30.Although heat exchanging fin 30 be shaped as thin rectangular plate, it also can have different polygonal shapes.And the surface of heat exchanging fin 30 can have at least one and give prominence to 37 from what vertically gave prominence on the surface of heat exchanging fin 30.
The bottom 33 of heat exchanging fin 30 can contact with the wall of evaporimeter holding portion 18.Moreover the end of bottom 33 forms tip-angled shape, so that the water droplet that forms on heat exchanging fin 30 easily flows to the wall of evaporimeter holding portion 18.
Bight 35 is included in the top 32 of heat exchanging fin 30 and left side and the right side area between the bottom 33, and bight 35 can be by sphering, so that the water droplet that forms on the top area of heat exchanging fin 30 can easily flow to bottom 33.And bight 35 preferably forms semicircle, and its radius is between 5mm to 20mm.Yet according to the size of heat exchanging fin 30, this radius can be between 3mm to 5mm, or between 20mm to 50mm, or greater than 50mm so that make the water droplet that on heat exchanging fin 30 top area, forms easily flow to bottom 33.
Coolant hose holding portion 31 penetrates the surface of heat exchanging fin 30 and forms, so that hold coolant hose 23, described coolant hose holding portion 31 can be provided with in couples.Yet coolant hose holding portion 31 can be set to single or three according to the shape of coolant hose 23.
Outstanding 37 is outstanding from the surface of heat exchanging fin 30, is used to prevent that heat exchanging fin 30 is crooked easily.And outstanding 37 by making heat exchanging fin 30 air-flow formation turbulent flow on every side improve heat exchanger effectiveness.Although outstanding 37 can be provided with three on the surface of heat exchanging fin 30, also can be set to single, two or four.
Defroster comprises Defrost heater 41 and supports the heater support 43 of Defrost heater 41.And heater support 43 is installed on the bottom section of evaporimeter holding portion 18, so that Defrost heater 41 can be arranged on the downside of evaporimeter 20.Yet defroster 40 can be arranged on the front and rear of evaporimeter 20, and except Defrost heater 41, defroster 40 also can comprise different heaters.
The defrost process that below description is had the evaporimeter of said structure, described evaporimeter are arranged in the refrigerating plant of refrigerator according to an embodiment of the invention.
At first, be arranged on the compressor (not shown) shut-down operation in the refrigerating plant, give Defrost heater 41 energisings of defroster 40.When the frost on the heat exchanging fin 30 in being bonded at coolant hose 23 and evaporimeter 20 dissolves, form water droplet.And when water droplet became big, water droplet was easy to flow to bottom 33 along the surface of heat exchanging fin 30 and the edge of sphering under its gravity effect.And, the water droplet that arrives bottom 33 along the wall of evaporimeter holding portion 18 to dirty, so that easily discharge.In other words since heat exchanging fin 30 is that be set to tilt and bight 35 by sphering, the water droplet that forms on heat exchanging fin 30 can easily flow to bottom 33 and can be in the bight 35 assemble.
Therefore, according to the refrigerating plant of the embodiment of the invention by prevent water droplet and assemble and be chilled on the heat exchanging fin and coolant hose on, improved the performance of evaporimeter.And owing to improved the performance of refrigerator, the refrigerator that this refrigerating plant is installed can reduce energy consumption.
Although what embodiments of the invention were described is the refrigerating plant that is applied to refrigerator, this refrigerating plant not only may be used on refrigerator, also may be used in the various heat exchangers such as aircondition.
As mentioned above, embodiments of the invention can improve the performance that is arranged on the evaporimeter in the refrigerating plant.The refrigerator that is provided with this refrigerating plant also can reduce energy consumption.
Although some embodiments of the present invention are illustrated and describe, it will be understood to those of skill in the art that, under the situation that does not depart from principle of the present invention and essence, can carry out various variations to these aspects, its scope is limited in the appended claim and equivalent thereof.
Claims (21)
1. one kind produces the refrigerating plant that cools off air, comprising:
Evaporimeter, it comprises: the coolant hose with at least one sweep; And at least one heat exchanging fin, described heat exchanging fin has at least one and the contacted coolant hose holding portion of coolant hose; With
The defrost unit of contiguous described evaporimeter is used to remove the frost that forms on evaporimeter,
Described heat exchanging fin tilts with certain inclination angle, so that the longitudinal direction of heat exchanging fin forms acute angle with respect to vertical direction, described inclination angle makes the bottom that is flow to heat exchanging fin by the water droplet of defrost unit thawing downwards,
The top and the opposite side between the bottom of described heat exchanging fin comprise the fillet part.
2. refrigerating plant according to claim 1 is characterized in that: the fillet of described heat exchanging fin partly has the radius between 5mm and 20mm.
3. refrigerating plant according to claim 2 is characterized in that, the inclination angle of described heat exchanging fin is spent between 75 degree about 50 greatly.
4. refrigerating plant according to claim 3 is characterized in that: described heat exchanging fin comprises that at least one is outstanding, and described outstanding surface from heat exchanging fin is vertically outstanding.
5. refrigerating plant according to claim 1 is characterized in that, to lopsidedness, and the bottom of each heat exchanging fin is adjacent to the wall that evaporimeter is installed to described heat exchanging fin with respect to vertical direction.
6. refrigerating plant according to claim 1 also comprises:
Be positioned at least two coolant hose support members on the evaporimeter opposite side, be used to support coolant hose.
7. refrigerating plant according to claim 1 is characterized in that described heat exchanging fin is substantially rectangle, and described at least one coolant hose holding portion is arranged on the surface of heat exchanging fin in couples.
8. refrigerating plant according to claim 1 is characterized in that, the inclination angle of described heat exchanging fin is between 40 degree and 50 degree.
9. refrigerating plant according to claim 1 is characterized in that, sets the inclination angle of heat exchanging fin according to the ratio of the distance between the length of heat exchanging fin and a plurality of coolant hoses vertically.
10. refrigerating plant according to claim 1 is characterized in that, described heat exchanging fin is a polygonal shape.
11. refrigerating plant according to claim 1 is characterized in that, the fillet of described heat exchanging fin partly has the radius between 3mm to 5mm.
12. refrigerating plant according to claim 1 is characterized in that, the fillet of described heat exchanging fin partly has the radius greater than 50mm.
13. refrigerating plant according to claim 1 is characterized in that, described heat exchanging fin comprises at least one wedge angle.
14. a refrigerator comprises:
Refrigerating plant, it comprises:
Evaporimeter, described evaporimeter has: the coolant hose that comprises at least one sweep; And at least one heat exchanging fin, described heat exchanging fin has at least one and the contacted coolant hose holding portion of described coolant hose; With
The defrost unit of contiguous described evaporimeter, and be used to remove the frost that on evaporimeter, forms,
Main body, described main body comprises at least one apotheca, the cooling air that is produced by described refrigerating plant offers described apotheca; With
At least one door is used to cover the opening of described apotheca,
Wherein, described heat exchanging fin tilts with certain inclination angle so that the longitudinal direction of heat exchanging fin forms acute angle with respect to vertical direction, described inclination angle make the water droplet that melts by described defrost unit flow to downwards heat exchanging fin the bottom and
Wherein, the top of described heat exchanging fin and the opposite side between the bottom comprise the fillet part.
15. refrigerator according to claim 14, wherein, described heat exchanging fin comprises that at least one is outstanding, and described outstanding surface from heat exchanging fin is vertically outstanding.
16. refrigerator according to claim 14 also comprises:
Be used for handling the device of the water of the evaporimeter holding portion that comprises evaporimeter.
17. a refrigerator comprises:
Refrigerating plant, described refrigerating plant comprises:
Evaporimeter, described evaporimeter has: the coolant hose that comprises at least one sweep; And at least one heat exchanging fin, described heat exchanging fin has at least one and the contacted coolant hose holding portion of described coolant hose; With
The defrost unit of contiguous described evaporimeter, and be used to remove the frost that on evaporimeter, forms,
Main body, it comprises at least one apotheca, the cooling air that is produced by refrigerating plant offers described apotheca; With
At least one door, it covers the opening of apotheca,
Wherein, described heat exchanging fin tilts with certain inclination angle so that the longitudinal direction of heat exchanging fin forms acute angle with respect to vertical direction, described inclination angle make the water droplet that melts by defrost unit flow to downwards heat exchanging fin the bottom and
Wherein, the bottom of each heat exchanging fin is adjacent to the wall that evaporimeter is installed.
18. a method of removing the frost on the evaporimeter, described evaporimeter has at least one heat exchanging fin, and described heat exchanging fin comprises the edge of at least one sphering and the bottom of wedge angle, and described evaporimeter is installed on the evaporimeter holding portion, and described method comprises:
On evaporimeter, forming frost during the kind of refrigeration cycle;
After each kind of refrigeration cycle, remove on the evaporimeter frost and
Collect the water that on the wedge angle bottom of heat exchanging fin, forms in the defrost process;
Wherein, water along the edge of described sphering and described heat exchanging fin flow along oblique length downwards and
Wherein, the water that is collected in the wedge angle bottom of described heat exchanging fin flows along described evaporimeter holding portion.
19. method according to claim 18 also comprises:
The tap at the lower area place by being arranged on the evaporimeter holding portion is handled the water of collecting.
20. method according to claim 18 also comprises:
Utilize the water capacity of described evaporimeter holding portion bottom to receive the water that section processes collects.
21. an air-conditioner comprises:
Refrigerating plant, described refrigerating plant comprises:
Evaporimeter, described evaporimeter has: the coolant hose that comprises at least one sweep; And at least one heat exchanging fin, described heat exchanging fin has at least one and the contacted coolant hose of described coolant hose holds parts; With
The defrost unit of contiguous described evaporimeter is used to remove the frost that forms on evaporimeter,
Wherein, described heat exchanging fin tilts with certain inclination angle so that the longitudinal direction of heat exchanging fin forms acute angle with respect to vertical direction, described inclination angle make the water droplet that melts by defrost unit flow to downwards heat exchanging fin the bottom and
Wherein, the top of described heat exchanging fin and the opposite side between the bottom comprise the fillet part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0090470A KR100506610B1 (en) | 2003-12-12 | 2003-12-12 | Refrigeration apparatus and refrigerator with the refrigeration apparatus |
| KR20030090470 | 2003-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1626993A CN1626993A (en) | 2005-06-15 |
| CN1295466C true CN1295466C (en) | 2007-01-17 |
Family
ID=34511214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100421914A Expired - Fee Related CN1295466C (en) | 2003-12-12 | 2004-05-10 | Refrigeration apparatus and refrigerator with the refrigeration apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20050126197A1 (en) |
| EP (1) | EP1541946B1 (en) |
| KR (1) | KR100506610B1 (en) |
| CN (1) | CN1295466C (en) |
| DE (1) | DE602004015919D1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628658A (en) * | 2012-01-01 | 2012-08-08 | 黄华 | Method for separating ice and frost from surface of heat exchanger and application |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101055110B (en) * | 2006-09-29 | 2010-05-26 | 曹爱国 | Heat exchanger and indoor thermoelectric air conditioner possessing same |
| CN100532976C (en) * | 2006-09-29 | 2009-08-26 | 曹爱国 | Thermoelectric air conditioning unit and thermoelectric air conditioner possessing same |
| EP1914499A1 (en) * | 2006-10-16 | 2008-04-23 | Irsap Spa | Heat exchanger with inclined tubes |
| CN102519184A (en) * | 2011-12-04 | 2012-06-27 | 苏州方暨圆节能科技有限公司 | Energy-saving defrosting structure of air conditioner |
| DE102012112159A1 (en) * | 2012-12-12 | 2014-06-12 | Krones Ag | Device for treating beverages with plastic wall elements |
| EP3109572B1 (en) * | 2015-06-22 | 2019-05-01 | Lg Electronics Inc. | Refrigerator |
| JP7162471B2 (en) * | 2018-08-30 | 2022-10-28 | リンナイ株式会社 | heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160284A (en) * | 1996-11-29 | 1998-06-19 | Sanyo Electric Co Ltd | Absorption heat pump device |
| JPH10267506A (en) * | 1997-03-28 | 1998-10-09 | Sharp Corp | Cooling system |
| CN1204037A (en) * | 1997-06-30 | 1999-01-06 | 大宇电子株式会社 | Refrigerator having refrigeration system |
| CN1331790A (en) * | 1998-12-23 | 2002-01-16 | Bsh博施及西门子家用器具有限公司 | Device for mounting finned type evaporator in household refrigeration appliance having circulating air |
| WO2003081151A1 (en) * | 2002-03-22 | 2003-10-02 | Arçel K A. . | Evaporator and evaporator production method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2667041A (en) * | 1948-10-27 | 1954-01-26 | Ray M Henderson | Evaporator and drip catcher arrangement for refrigerating apparatus |
| US2728204A (en) * | 1952-08-08 | 1955-12-27 | William J Harbers | Coil pan construction |
| US3750418A (en) * | 1972-03-20 | 1973-08-07 | Borg Warner | Evaporator and condensate collector arrangement for refrigeration apparatus |
| US4041727A (en) * | 1975-09-02 | 1977-08-16 | Borg-Warner Corporation | Evaporator assembly |
| US4542786A (en) * | 1981-11-30 | 1985-09-24 | Caterpillar Tractor Co. | Heat exchanger core with varied-angle tubes |
| KR900006245B1 (en) * | 1985-04-19 | 1990-08-27 | 마쯔시다덴기산교 가부시기가이샤 | heat transmitter |
| JPH0823477B2 (en) * | 1987-08-09 | 1996-03-06 | 日本電装株式会社 | Stacked heat exchanger |
| US5499514A (en) * | 1994-09-15 | 1996-03-19 | Whirlpool Corporation | Defrost water drain system for a refrigerator |
| US5552581A (en) * | 1994-11-10 | 1996-09-03 | Wirekraft Industries Inc. | Defrost heater for cooling appliance |
| US6435265B1 (en) * | 1995-01-17 | 2002-08-20 | Ness Lakdawala | Gravity cooling unit |
| BR9906192A (en) * | 1999-12-13 | 2001-09-18 | Multibras Eletrodomesticos Sa | Automatic defrosting system and method for refrigeration equipment |
| US6439300B1 (en) * | 1999-12-21 | 2002-08-27 | Delphi Technologies, Inc. | Evaporator with enhanced condensate drainage |
-
2003
- 2003-12-12 KR KR10-2003-0090470A patent/KR100506610B1/en not_active IP Right Cessation
-
2004
- 2004-04-09 US US10/821,172 patent/US20050126197A1/en not_active Abandoned
- 2004-04-27 EP EP04101755A patent/EP1541946B1/en not_active Expired - Lifetime
- 2004-04-27 DE DE602004015919T patent/DE602004015919D1/en not_active Expired - Lifetime
- 2004-05-10 CN CNB2004100421914A patent/CN1295466C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160284A (en) * | 1996-11-29 | 1998-06-19 | Sanyo Electric Co Ltd | Absorption heat pump device |
| JPH10267506A (en) * | 1997-03-28 | 1998-10-09 | Sharp Corp | Cooling system |
| CN1204037A (en) * | 1997-06-30 | 1999-01-06 | 大宇电子株式会社 | Refrigerator having refrigeration system |
| CN1331790A (en) * | 1998-12-23 | 2002-01-16 | Bsh博施及西门子家用器具有限公司 | Device for mounting finned type evaporator in household refrigeration appliance having circulating air |
| WO2003081151A1 (en) * | 2002-03-22 | 2003-10-02 | Arçel K A. . | Evaporator and evaporator production method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628658A (en) * | 2012-01-01 | 2012-08-08 | 黄华 | Method for separating ice and frost from surface of heat exchanger and application |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1541946B1 (en) | 2008-08-20 |
| EP1541946A1 (en) | 2005-06-15 |
| DE602004015919D1 (en) | 2008-10-02 |
| KR20050058551A (en) | 2005-06-17 |
| CN1626993A (en) | 2005-06-15 |
| US20050126197A1 (en) | 2005-06-16 |
| KR100506610B1 (en) | 2005-08-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070117 Termination date: 20180510 |