CN103282727A - Cooling device and air conditioner provided therewith - Google Patents
Cooling device and air conditioner provided therewith Download PDFInfo
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- CN103282727A CN103282727A CN2010800650705A CN201080065070A CN103282727A CN 103282727 A CN103282727 A CN 103282727A CN 2010800650705 A CN2010800650705 A CN 2010800650705A CN 201080065070 A CN201080065070 A CN 201080065070A CN 103282727 A CN103282727 A CN 103282727A
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- control cabinet
- cooling device
- control
- air conditioner
- cooling unit
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- 238000001816 cooling Methods 0.000 title claims abstract description 108
- 239000000463 material Substances 0.000 claims description 20
- 239000012774 insulation material Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 abstract description 27
- 239000000758 substrate Substances 0.000 description 28
- 230000000694 effects Effects 0.000 description 7
- 238000009736 wetting Methods 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 4
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Images
Classifications
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/81—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/46—Component arrangements in separate outdoor units
-
- 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
- F24F13/20—Casings or covers
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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
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/006—Thermal coupling structure or interface
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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
-
- 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
- F28F1/14—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 longitudinally
- F28F1/22—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 longitudinally the means having portions engaging further tubular elements
-
- 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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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/202—Air circulating in closed loop within enclosure wherein heat is removed through heat-exchangers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20309—Evaporators
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Geometry (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Disclosed is a cooling device which cools a control component (30) housed in a control box (32) of an air conditioner (10) having a compressor (12), an outdoor heat exchanger (14), a decompressor (16), an indoor heat exchanger (18), and tubes (20-26) which connect these and which circulate a refrigerant. The disclosed cooling device has a cooling unit (34) which is arranged in a state separated from the control component (30) and either in a position in the control box (32) below said control component (30), or in a position in the control box (32) in the horizontal direction from said control component (30), and cools the air in the control box (32) by means of heat exchange with the refrigerant.
Description
Technical field
The present invention relates to the control assembly cooling device that cools off and the air conditioner with this cooling device to air conditioner.
Background technology
In the prior art; have in the air conditioner of the pipe arrangement of cold-producing medium having compressor, outdoor heat converter, decompressor, indoor heat converter and connect them and flow, control assemblies such as control substrate are accommodated in the control cabinet that for example can protect its infringement that is not subjected to dust and water etc.
Under situation about control assembly being accommodated in the control cabinet, in order to guarantee the operating stably of control assembly, need to consider the cooling of control assembly.For example in the air conditioner of patent documentation 1 record, control assembly (substrate with heater element) is incorporated in the control cabinet (electronic unit case), is provided with the cooling-part (radiator) that the air in the electronic unit case is cooled off in the electronic unit case.
The air conditioner of this patent documentation 1 record, specifically, by utilizing free convection, with the indirect cooling heating element of radiator.In in the electronic unit case, radiator is positioned at the position of the top of leaving heater element, and the air that is cooled off by radiator descends towards heater element.On the other hand, the air that is heated by heater element rises towards radiator.Thus, produce free convection in the electronic unit case, the radiator that heater element is positioned at its top cools off indirectly.
The look-ahead technique document
Patent documentation
Patent documentation 1: TOHKEMY 2010-2120 communique
Summary of the invention
The problem that invention will solve
But under the situation of the air conditioner of Zai Te Xu document 1 record, radiator is positioned at the top of heater element, so produce dew on the surface of radiator because of environment for use, there is to cause heater element wetted owing to this dew drips the possibility that heater element is short-circuited.Therefore, this air conditioner shortcoming reliability.
So problem of the present invention is, provides control assembly with air conditioner to be accommodated in to protect in the control cabinet and cool off, and suppress control assembly because dew and wetting problem, the air conditioner with high reliability.
Be used for solving the method for problem
In order to solve above-mentioned problem, according to the 1st aspect of the present invention, a kind of cooling device is provided, this cooling device cooling is accommodated in the interior control assembly of control cabinet of air conditioner, wherein, this air conditioner has compressor, outdoor heat converter, decompressor, indoor heat converter, with being connected them and flowing the pipe arrangement of cold-producing medium is arranged, cooling device comprises cooling unit, under the state that leaves mutually with control assembly, be disposed in the control cabinet of below of this control assembly the position or with respect to the position in the control cabinet of this control assembly horizontal direction, by with the heat exchange of cold-producing medium, the air in the control cabinet is cooled off.
According to the 2nd aspect of the present invention, the cooling device of the 1st aspect record is provided, wherein, this cooling device has cooling unit, and this cooling unit has: pipe arrangement in the control cabinet, being configured in the control cabinet and flowing has cold-producing medium; With the fin structure body, have a plurality of fins and be installed on pipe arrangement in the control cabinet.
According to the 3rd aspect of the present invention, the cooling device of the 2nd aspect record is provided, wherein, pipe arrangement is the part of the pipe arrangement of connection decompressor and indoor heat converter in the control cabinet of cooling unit.
According to the 4th aspect of the present invention, the cooling device of either side record in the 1st to the 3rd aspect is provided, wherein, below cooling unit, have the drip tray (water receiving ware) that receives dew.
According to the 5th aspect of the present invention, the cooling device of the record of either side in the 1st to the 4th aspect is provided, it has heat insulation heat-barrier material is carried out in the inner space of control cabinet.
According to the 6th aspect of the present invention, the cooling device of the 5th aspect record is provided, wherein, heat-barrier material is vacuum heat insulation material.
According to the 7th aspect of the present invention, wherein, provide a kind of air conditioner, it has the cooling device of either side record in the 1st to the 6th aspect.
The invention effect
According to the present invention, the cooling unit of the air of cooling in the control cabinet, under the state that leaves mutually with control assembly, be configured in the control cabinet of below of this control assembly the position or with respect to the position in the control cabinet on this control assembly horizontal direction.Thus, can suppress control assembly because the dew that produces on the surface of cooling unit and temperature wetting and that suppress control assembly rises the air conditioner that can realize having high reliability.
Description of drawings
The feature of these aspects of the present invention is according to becoming clear and definite with relevant following the stating preferred embodiment of the accompanying drawing of enclosing.In this accompanying drawing,
Fig. 1 is the structure chart of summary of the air conditioner of embodiments of the present invention,
Fig. 2 is the structure chart of summary of the inside of expression control cabinet shown in Figure 1,
Fig. 3 is the stereogram of cooling unit shown in Figure 1,
Fig. 4 is expression other the structure chart of summary of inside of control cabinet of air conditioner of embodiment of the present invention.
The specific embodiment
The 1st invention is a kind of cooling device, this cooling device cooling is accommodated in the interior control assembly of control cabinet of air conditioner, wherein, this air conditioner has compressor, outdoor heat converter, decompressor, indoor heat converter, with being connected them and flowing the pipe arrangement of cold-producing medium is arranged, this cooling device comprises cooling unit, under the state that leaves mutually with control assembly, be disposed in the control cabinet of below of this control assembly the position or with respect to the position in the control cabinet of this control assembly horizontal direction, by with the heat exchange of cold-producing medium, the air in the control cabinet is cooled off.
According to this structure, the cooling unit of the air of cooling in the control cabinet, under the state that leaves mutually with control assembly, be disposed in the control cabinet of below of this control assembly the position or with respect to the position in the control cabinet on this control assembly horizontal direction.Thus, control assembly is because the dew that produces on the surface of cooling unit and wetting problem is suppressed.
The cooling device of the 2nd invention, cooling unit have to be disposed in the control cabinet and to flow pipe arrangement in the control cabinet of cold-producing medium; And have a plurality of fins and be installed on the fin structure body of pipe arrangement in the control cabinet.Thus, carry out heat exchange between the mobile cold-producing medium of air and pipe arrangement in control cabinet in the control cabinet effectively.
Pipe arrangement is a part that connects the pipe arrangement of decompressor and indoor heat converter in the cooling device of the 3rd invention, the control cabinet of cooling unit.Pipe arrangement by effective utilization connection decompressor and indoor heat converter need not only for the cooling of the air in the control cabinet new pipe arrangement to be set.
The cooling device of the 4th invention has the drip tray of accepting dew below cooling unit.Thus, can prevent from being positioned at the inscape of air conditioner of below of cooling unit because the dew that produces on the surface of cooling unit and wetting problem.
The cooling device of the 5th invention has heat insulation heat-barrier material is carried out in the inner space of control cabinet.Thus, the movement of heat in from the outside to control cabinet is suppressed.Consequently, the cooling effect to control assembly of cooling unit is compared raising with the situation that does not have heat-barrier material.
The cooling device of the 6th invention, heat-barrier material is vacuum heat insulation material.Because vacuum heat insulation material, the movement of heat in from the outside to control cabinet compared with heat-barrier material and further to be suppressed.Consequently, the cooling effect to control assembly of cooling unit further improves.
The 7th invention is the air conditioner with cooling device of the 1st～the 6th invention.Thus, can realize having the air conditioner of high reliability.
Fig. 1 is the figure that schematically represents the formation of air conditioner of the present invention.In addition, Fig. 2 is the figure of internal structure that schematically represents the control cabinet of embodiments of the present invention.
As shown in Figure 1, air conditioner 10 refrigerant piping 20～26 that has compressor 12, outdoor heat converter 14, decompressor 16, indoor heat converter 18 and connect them.Can adopt as expansion valve or capillary capillaceous made of copper (capilary tube) as decompressor 16.Wherein, air conditioner 10 is divided into the off-premises station of taking in compressor 12, outdoor heat converter 14 and decompressor 16 and the indoor set of taking in indoor heat converter 18.
In kind of refrigeration cycle, after cold-producing medium is compressed by compressor 12, mobile refrigerant piping 20 in towards outdoor heat converter 14 with gas phase state.Then, cold-producing medium because of with captured heat via the heat exchange of the outdoor air of outdoor heat converter 14 and become liquid phase state, flow in refrigerant piping 22 towards decompressor 16.Then, cold-producing medium expands and the pressure reduction by decompressor 16, flows in refrigerant piping 24 towards indoor heat converter 18.And cold-producing medium becomes gas phase state because capturing heat via indoor heat converter 18 from room air, flows in refrigerant piping 26 towards compressor 12.
In addition, air conditioner 10 has the control substrate (being control assembly) 30 of control kind of refrigeration cycle and the control cabinet 32 of protection control substrate 30.Wherein, control cabinet 32 is arranged at off-premises station.
At this, said among the present invention " control assembly " is the parts for the control of air conditioner 10, for example control the output of compressor 12 and as the electronic unit of the regulated quantity of the expansion valve of decompressor 16, being not limited to be equipped with the control substrate of a plurality of electronic units, is for part or whole heating and cool off required parts.
Particularly, as shown in Figure 1, the part of refrigerant piping 24 is by in the control cabinet 32, and as shown in Figure 2, the part of the refrigerant piping 24 in control cabinet 32 is equipped with the fin structure body 36 of a plurality of fin 36a with plate shape.Cooling unit 34 by via fin structure body 36 in control cabinet 32 air and the cold-producing medium that in refrigerant piping 24, flows between carry out heat exchange, the air in the control cabinet 32 are cooled off.Utilize this cooling unit 34, control substrate 30 is cooled via air.
In addition, the refrigerant piping of the part of formation cooling unit 34 is preferably the refrigerant piping 24 that connects decompressor 16 and indoor heat converter 18.By effectively utilizing refrigerant piping 24, need not only to arrange in addition by also flowing in the control cabinet 32 in order to cool off the air in the control cabinet 32 has the pipe arrangement of cold-producing medium.
In addition, refrigerant piping 24 flows the cold-producing medium that becomes low pressure because of decompressor 16, so compare with the refrigerant piping 20,22,26 of shown in Figure 1 other, the pressure of effect and the vibration of generation are little.Therefore, refrigerant piping 24 is configured in the control cabinet 32, with dispose other refrigerant piping 20,22,26 situation is compared, and can suppress vibration.In addition, as its result, can make to the pipe arrangement thin-walled property of control cabinet 32 interior configurations, have the less important advantage that the material that can reduce use can suppress cost.And then as other reason, the cold-producing medium that flows at refrigerant piping 24 is exactly low pressure originally, so cause the influence of (lengthization causes) pressure loss little via control cabinet 32.
The fin structure body 36 of cooling unit 34 for example, as shown in Figure 3, is formed by the metal of aluminium etc.A plurality of fin 36a of plate shape separate uniformly-spaced in parallel to each other on the surface of the main part 36b of fin structure body 36 and are set up in parallel.In addition, fin structure body 36 has a plurality of groove 36c that engage with the part of the refrigerant piping 24 of the shape ground moulding of crawling on the surface with the surface opposite side that is provided with fin 36a.
As shown in Figure 3, a plurality of groove 36c of fin structure body 36 form and are extending with the also direction of column direction quadrature of a plurality of fin 36a.Thus, can make fin structure body 36 by drawing moulding or extrusion modling, compare with other preparation method (for example machining), can make at an easy rate.
In addition, cooling unit 34, as shown in Figure 2, with the state that leaves mutually of control substrate 30 under, and be disposed at the below of this control substrate 30.This is because control substrate 30 is not because of at the dew of the surface (specifically, on the surface of fin structure body 36 and the surface of refrigerant piping 24) of cooling unit 34 generation and wetting.In addition, as shown in Figure 4, also can make cooling unit 34 with the state that leaves mutually of control substrate 30 under, and be configured in respect to the position on control substrate 30 horizontal directions.
Under the situation that the dew that produces on the surface of cooling unit 34 drips, the drip tray 38 that preferably will receive the disk shape of dew is arranged on the below of cooling unit 34.Thus, it is wetting because of dew to prevent from being positioned at the inscape of air conditioner 10 of below of cooling unit 34.
In addition, shown in Fig. 2 (or Fig. 4), also can be used in the drainpipe 40 that the dew in the drip tray 38 is discharged to the outside of control cabinet 32 and be connected with the end of drip tray 38.
Except cooling unit 34, other the mechanism that is used for cooling control substrate 30 can be set also.
Also the fin structure body 42 of other different with the fin structure body 36 of cooling unit 34 directly can be installed to the part (for example heater element) that control substrate 30 is particularly controlled the high heat of generation of substrate 30.This fin structure body 42 constitutes between the air outside of control substrate 30 and control cabinet 32 and carries out heat exchange.
Particularly, fin structure body 42 is identical with the fin structure body 36 of cooling unit 34, for example by making such as aluminium, has a plurality of fin 42a.The fin 42a of fin structure body 42 constitutes the outside that is exposed to control cabinet 32.In addition, fin 42a is set to be positioned at the position for the leeward of the fan (not shown) that outdoor heat converter 14 ambient airs are discharged to the outside of off-premises station.By via this fin structure body 42, control substrate 30 is cooled by the fan (not shown) of off-premises station.
The fan 44 of the air of mandatory stirring control cabinet 32 also can be set in control cabinet 32 in addition.This fan 44 makes the uniformity of temperature profile in this control cabinet 32 by the air in the mandatory stirring control cabinet 32, plays the effect of the cooling effectiveness that improves control substrate 30.
In addition, fan 44 is by the air in the mandatory stirring control cabinet 32, and the surface that can be suppressed at cooling unit 34 produces dew.Specify, the air of cooling unit 34 peripheries moves because of fan 44, so compare with the situation that does not have fan 44, is difficult to produce dew on the surface of cooling unit 34, also is difficult to grow up even produce dew in addition.
In addition, fan 44, shown in Fig. 2 (or Fig. 4), preferred disposition is fin structure body 36 air-supplies towards cooling unit 34.Utilize fan 44 towards 36 air-supplies of fin structure body, the whole diffusion in control cabinet 32 of the air of unit 34 coolings that are cooled.In addition, mobile the accelerating of cooling unit 34 ambient airs is difficult to produce dew more on the surface of cooling unit 34.
And then, to move from the outside to the inside of control cabinet 32 in order to suppress heat, the inner space of preferred control cabinet 32 is heat insulation by heat-barrier material 46.Heat-barrier material 46 is arranged on the outer surface of control cabinet 32 for example as shown in Figure 2.Utilize this heat-barrier material 46, the cooling effect of 34 pairs of control substrates 30 of cooling unit improves than the cooling effect of the situation that does not have heat-barrier material 46.Wherein, the aspect of effective utilization in the space in the control cabinet 32, preferred heat-barrier material 46 is arranged at the outer surface of control cabinet 32, but also can be arranged on the inner surface of control cabinet 32.
In addition, foaming kind heat-barrier material, vacuum heat insulation materials etc. such as fiber-like heat-barrier material, polyurethane foam such as mineral wool can have been enumerated as heat-barrier material.The preferred heat-proof quality vacuum heat insulation material higher than heat-barrier material that use.For example can enumerate useful laminated film (Laminate film) packing glass fibre as vacuum heat insulation material, the material that its internal pressure is reduced pressure and forms.
According to present embodiment, the cooling unit 34 that air in the control cabinet 32 are cooled off, with the state that leaves mutually of control substrate 30 under, be disposed in the control cabinet 32 of below of this control substrate 30 the position or with respect to the interior position of this control substrate 30 control cabinet 32 in the horizontal direction.Thus, can realize suppressing controlling substrate 30 because the dew that produces on the surface of cooling unit 34 and wetted problem, the air conditioner 10 with high reliability.
More than, enumerate above-mentioned embodiment and describe the present invention, but the present invention is not limited to above-mentioned embodiment.
For example under the situation of above-mentioned embodiment, in control cabinet 32, dispose fan 44 for the air in the mandatory stirring control cabinet 32, but the cooling abundance of 34 pairs of control substrates 30 of cooling unit also can be omitted fan 44.
In addition, in above-mentioned, the air conditioner 10 that cold-producing medium is flowed with the order of compressor 12, outdoor heat converter 14, decompressor 16, indoor heat converter 18, the air conditioner 10 of namely carrying out the cooling running are illustrated, but the invention is not restricted to this.The air conditioner 10 that flows with the order of compressor 12, indoor heat converter 18, decompressor 16, outdoor heat converter 14 for cold-producing medium, namely carry out the air conditioner 10 of warming operation, the present invention also can be suitable for.
And then under the situation of above-mentioned embodiment, cooling unit 34 constitutes, and the cold-producing medium that utilization is flowed in refrigerant piping 24 all cools off the air in the control cabinet 32, but the invention is not restricted to this.The cooling of the air in the control cabinet 32 also can utilize the part of the cold-producing medium that flows in any one of refrigerant piping 22～26.
For example also can arrange near the part branch of the refrigerant piping 24 the downstream side of decompressor 16, in control cabinet 32, arrive near the pipe arrangement of bypass of the part of the refrigerant piping 24 the upstream side of indoor heat converter 18 then, at this bypass pipe arrangement the fin structure body is installed, is constituted cooling unit.In this case, compare with above-mentioned embodiment, though the cooling capacity of control substrate 30 is reduced, the cooling ability of air conditioner 10 improves.
About preferred embodiment fully putting down in writing, but for the skilled people of this technology, various changes and modifications are tangible with reference to accompanying drawing in the present invention.Be appreciated that those distortion and modification, only otherwise break away from the scope of the present invention of the scope of additional application, just be contained in wherein.
Utilize possibility on the industry
The member that the present invention is to use cold-producing medium that the air in the control cabinet is cooled off, thus be not limited to air conditioner, for example so long as adopt the cold-producing medium of freezer etc. just can be suitable for.
The reference numeral explanation
10 air conditioners
12 compressors
14 outdoor heat converters
16 decompressors
18 indoor heat converters
30 control assemblies (control substrate)
32 control cabinets
34 cooling units
Claims (7)
1. cooling device is characterized in that:
Described cooling device cooling is accommodated in the interior control assembly of control cabinet of air conditioner, and described air conditioner has compressor, outdoor heat converter, decompressor, indoor heat converter and connects them and flow the pipe arrangement of cold-producing medium,
Described cooling device has cooling unit, this cooling unit with the state configuration left with control assembly in the control cabinet of the below of this control assembly the position or with respect to the position in this control assembly control cabinet in the horizontal direction, by with the heat exchange of cold-producing medium, the air in the control cabinet is cooled off.
2. cooling device as claimed in claim 1 is characterized in that:
Cooling unit has:
Pipe arrangement in the control cabinet, it is configured in the control cabinet and flows cold-producing medium; With
The fin structure body, it has a plurality of fins and is installed on pipe arrangement in the control cabinet.
3. cooling device as claimed in claim 2 is characterized in that:
Pipe arrangement is a part that connects the pipe arrangement of decompressor and indoor heat converter in the control cabinet of cooling unit.
4. as each described cooling device in the claim 1 ~ 3, it is characterized in that:
Below cooling unit, has the drip tray of accepting dew.
5. as each described cooling device in the claim 1 ~ 4, it is characterized in that:
Have heat insulation heat-barrier material is carried out in the inner space of control cabinet.
6. cooling device as claimed in claim 5 is characterized in that:
Heat-barrier material is vacuum heat insulation material.
7. air conditioner is characterized in that:
Has each described cooling device in the claim 1 ~ 6.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2010/007310 WO2012081055A1 (en) | 2010-12-16 | 2010-12-16 | Cooling device and air conditioner provided therewith |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103282727A true CN103282727A (en) | 2013-09-04 |
Family
ID=46244192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800650705A Pending CN103282727A (en) | 2010-12-16 | 2010-12-16 | Cooling device and air conditioner provided therewith |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR20130138081A (en) |
| CN (1) | CN103282727A (en) |
| WO (1) | WO2012081055A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776163A (en) * | 2014-02-20 | 2014-05-07 | 广东志高暖通设备股份有限公司 | Heat pump water heater |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR112013001929A2 (en) * | 2011-06-29 | 2016-05-24 | Panasonic Corp | cooling device and air conditioner including the same |
| JP2017203575A (en) * | 2016-05-10 | 2017-11-16 | 三菱重工サーマルシステムズ株式会社 | Electrical component cooling device, outdoor unit of air conditioning system comprising the same |
| JP6778664B2 (en) * | 2017-08-09 | 2020-11-04 | ダイキン工業株式会社 | Outdoor unit of refrigeration equipment |
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| JPH0648299Y2 (en) * | 1990-06-14 | 1994-12-12 | ジーエーシ株式会社 | Drain mechanism of control panel cooling device |
| JPH09138044A (en) * | 1995-11-17 | 1997-05-27 | Hitachi Ltd | Sealed box and humidity control method therefor |
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| JP4133184B2 (en) * | 2002-10-02 | 2008-08-13 | シャープ株式会社 | Air conditioner outdoor unit |
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| JP2010084948A (en) * | 2008-09-29 | 2010-04-15 | Daikin Ind Ltd | Air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2765365B2 (en) * | 1992-05-26 | 1998-06-11 | 三菱電機株式会社 | Air conditioner |
-
2010
- 2010-12-16 CN CN2010800650705A patent/CN103282727A/en active Pending
- 2010-12-16 WO PCT/JP2010/007310 patent/WO2012081055A1/en active Application Filing
- 2010-12-16 KR KR1020127022776A patent/KR20130138081A/en not_active Application Discontinuation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0648299Y2 (en) * | 1990-06-14 | 1994-12-12 | ジーエーシ株式会社 | Drain mechanism of control panel cooling device |
| JPH09138044A (en) * | 1995-11-17 | 1997-05-27 | Hitachi Ltd | Sealed box and humidity control method therefor |
| JPH1123075A (en) * | 1997-07-08 | 1999-01-26 | Denso Corp | Heat generating body cooling device |
| CN2497209Y (en) * | 2001-07-09 | 2002-06-26 | 广东科龙电器股份有限公司 | Air conditioner having heat-absorpting device in electric appliance box |
| JP4133184B2 (en) * | 2002-10-02 | 2008-08-13 | シャープ株式会社 | Air conditioner outdoor unit |
| CN101294727A (en) * | 2007-04-26 | 2008-10-29 | 乐金电子(天津)电器有限公司 | Cooling by-pass structure of electric appliance control box of frequency conversion type air conditioner outdoor unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776163A (en) * | 2014-02-20 | 2014-05-07 | 广东志高暖通设备股份有限公司 | Heat pump water heater |
| CN103776163B (en) * | 2014-02-20 | 2016-09-07 | 广东志高暖通设备股份有限公司 | Teat pump boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012081055A1 (en) | 2012-06-21 |
| KR20130138081A (en) | 2013-12-18 |
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Application publication date: 20130904 |