WO2022078210A1 - 蒸发装置及其控制方法、制冷陈列柜 - Google Patents
蒸发装置及其控制方法、制冷陈列柜 Download PDFInfo
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- WO2022078210A1 WO2022078210A1 PCT/CN2021/121517 CN2021121517W WO2022078210A1 WO 2022078210 A1 WO2022078210 A1 WO 2022078210A1 CN 2021121517 W CN2021121517 W CN 2021121517W WO 2022078210 A1 WO2022078210 A1 WO 2022078210A1
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- WIPO (PCT)
- Prior art keywords
- heat exchange
- channel
- area
- dehumidification
- evaporation device
- Prior art date
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- 238000001704 evaporation Methods 0.000 title claims abstract description 73
- 230000008020 evaporation Effects 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000005057 refrigeration Methods 0.000 claims abstract description 99
- 238000007791 dehumidification Methods 0.000 claims abstract description 93
- 239000003507 refrigerant Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims description 61
- 239000007788 liquid Substances 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 230000002209 hydrophobic effect Effects 0.000 claims description 7
- 230000002596 correlated effect Effects 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 1
- 239000003570 air Substances 0.000 description 92
- 230000000694 effects Effects 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000012080 ambient air Substances 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Images
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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0439—Cases or cabinets of the open type
- A47F3/0443—Cases or cabinets of the open type with forced air circulation
- A47F3/0447—Cases or cabinets of the open type with forced air circulation with air curtains
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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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
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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
- F25D21/04—Preventing the formation of frost or 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D25/00—Charging, supporting, and discharging the articles to be cooled
- F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
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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
- 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
- F28D1/053—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 straight
- F28D1/0535—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 straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
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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
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/006—Preventing deposits of ice
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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
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
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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
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21175—Temperatures of an evaporator of the refrigerant at the outlet of the evaporator
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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
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/04—Treating air flowing to refrigeration compartments
- F25D2317/041—Treating air flowing to refrigeration compartments by purification
- F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification
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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
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2210/00—Heat exchange conduits
- F28F2210/04—Arrangements of conduits common to different heat exchange sections, the conduits having channels for different circuits
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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
- F28F2210/00—Heat exchange conduits
- F28F2210/08—Assemblies of conduits having different features
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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
- F28F2245/00—Coatings; Surface treatments
- F28F2245/04—Coatings; Surface treatments hydrophobic
Definitions
- the heat exchange main body sequentially includes a dehumidification area and an anti-frost refrigeration area along the first direction, and the dehumidification area is located on the air inlet side along the first direction;
- the density of the first passage section in the anti-frost refrigeration area is smaller than the density of the first passage section in the enhanced refrigeration area.
- the liquid supply pipe and the air outlet pipe are respectively communicated with the inlet and the outlet at both ends of the heat exchange channel, and the liquid supply pipe is provided with a throttling element;
- the heat exchange device further includes:
- the fan is arranged in the first air duct and is configured to deliver cold air to the first air duct, and the cold air passes through the first air duct and the second air duct in sequence to form a cold air curtain on the front side of the cabinet;
- the temperature of the liquid supply pipe is detected by the second temperature detection part
- the temperature of the air pipe is detected by the third temperature detection component, and the air outlet pipe is communicated with the outlet of the heat exchange channel;
- FIG. 1 is a schematic structural diagram of two end faces in the xz plane of some embodiments of the disclosed evaporation device
- an element when an element is referred to as being “on” another element, it can be directly on the other element or be indirectly on the other element with one or more intervening therebetween. more intermediate elements. Also, when an element is referred to as being “connected to” another element, it can be directly connected to the another element or be indirectly connected to the another element with one or more intervening elements therebetween an intermediate element. In the following, the same reference numerals refer to the same elements.
- the evaporation device 10 includes: a heat exchange main body 1, and the heat exchange main body 1 sequentially includes a dehumidification area A and an anti-frost refrigeration area B along the airflow direction, the dehumidification area A is located on the air intake side, and the anti-frost refrigeration area B is located downstream of dehumidification zone A.
- the second direction y of the first direction x extends, the first direction x is parallel to the airflow direction, and the second channel segment connects the same ends of the adjacent first channel segments in the heat exchange channel where it is located.
- the first channel segment may be a straight segment, and the second channel segment may be U-shaped, arc-shaped or other curved shapes.
- the heat exchange main body 1 includes: a base body 1 ′; and a heat exchange tube 2 , which is installed on the base body 1 ′, and a heat exchange channel is formed inside the heat exchange tube 2 , and the heat exchange tube 2 includes a plurality of A first pipe section 21 and a plurality of second pipe sections 22 , a first channel section is formed inside the first pipe section 21 , and a second channel section is formed inside the second pipe section 22 .
- the heat exchange tube 2 includes a plurality of first tube sections 21 and a plurality of second tube sections 22.
- the plurality of first tube sections 21 are arranged at intervals along a first direction x parallel to the airflow direction, and along a second tube section perpendicular to the first direction x. Extending in the direction y, the second pipe section 22 connects the same ends of the adjacent first pipe sections 21 in the heat exchange channel.
- the heat exchange channel can also be directly opened on the heat exchange main body 1 .
- the distance between adjacent first channel segments in the anti-frost refrigeration area B is greater than the distance between adjacent first channel segments in the dehumidification area A.
- the number of first channel segments in the enhanced refrigeration region C is configured to make the overall heat exchange amount of the heat exchange body 1 meet the demand. Since the distance between the first passage sections is increased in the anti-frost refrigeration area B, although frost formation can be prevented, the heat exchange performance will be weakened. By strengthening the refrigeration area C, the heat exchange can be further enhanced through the denser first passage sections performance to ensure the overall heat exchange demand of the heat exchange body 1.
- a plurality of heat exchange channels are provided along the third direction z (that is, the thickness direction of the heat exchange body 1 ), and the plurality of heat exchange channels introduce refrigerants from respective first ends along the first direction x, and The refrigerant is drawn out from the respective second ends, and the third direction z is perpendicular to the first direction x and the second direction y.
- the plurality of heat exchange channels at least include a group of adjacent and intersecting heat exchange channels, and the second channel segments located at the same end of the first channel segment among the two intersecting heat exchange channels are intersected.
- the evaporation device 10 is used to refrigerate a display case.
- the temperature of the pipe can be detected in real time.
- the number of steps of the electronic expansion valve is adjusted by the temperature difference between the gas outlet pipe 5 and the liquid supply pipe 4 to control the superheat degree of the evaporation device 10 .
- the temperature of the dehumidification area A is detected.
- the controller controls the opening of the electronic expansion valve to increase to reduce the degree of superheat; when the temperature is less than -2°C, the controller controls the electronic expansion valve.
- the valve opening is reduced to increase superheat.
- the refrigerated display case further includes: a cabinet body 20 and a fan 70 .
- the cabinet body 20 is provided with a first air duct 30 and a second air duct 40 , the first air duct 30 extends along the front and rear directions of the cabinet body 20 and is disposed at the lower part of the cabinet body 20 , and the second air duct 40 runs along the cabinet body 20 .
- the bottom of the second air duct 40 communicates with the rear of the first air duct 30 and extends in the up and down direction of the cabinet body 20 .
- the fan 70 is arranged in the first air duct 30 and is configured to deliver cold air to the first air duct 30 .
- the refrigeration display case of the present disclosure further includes: a baffle 80 , which is provided between the first air duct 30 and the second air duct 40 , and the baffle 80 can be located on the side of the evaporation device 10 .
- the dehumidification area A is located below the baffle 80
- the anti-frost refrigeration area B and the enhanced refrigeration area C are located above the baffle 80
- the windward surface S of the heat exchange main body 1 includes the surface and bottom of the dehumidification area A facing the return air.
- the temperature of the liquid supply pipe 4 is detected by the second temperature detection component 6;
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Freezers Or Refrigerated Showcases (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
Description
Claims (19)
- 一种蒸发装置(10),包括:换热主体(1),所述换热主体(1)沿着第一方向依次包括除湿区域(A)和抗结霜制冷区域(B),所述除湿区域(A)沿所述第一方向位于进风侧;所述换热主体(1)具有供冷媒流动的换热通道,所述换热通道包括多个第一通道段和多个第二通道段,所述多个第一通道段沿着与所述第一方向间隔设置,且沿垂直于所述第一方向的第二方向延伸,所述第二通道段将所在换热通道中相邻所述第一通道段的同端连通;其中,所述抗结霜制冷区域(B)中相邻所述第一通道段的密度小于所述除湿区域(A)中所述第一通道段的密度。
- 根据权利要求1所述的蒸发装置(10),其中,所述换热主体(1)沿着所述第一方向还包括位于所述抗结霜制冷区域(B)下游的加强制冷区域(C);其中,所述抗结霜制冷区域(B)中所述第一通道段的密度小于所述加强制冷区域(C)中所述第一通道段的密度。
- 根据权利要求1或2所述的蒸发装置(10),其中,在所述第一方向上,所述抗结霜制冷区域(B)中相邻所述第一通道段的间距大于所述除湿区域(A)中相邻所述第一通道段的间距。
- 根据权利要求1~3任一项所述的蒸发装置(10),其中,所述换热主体(1)沿着所述第一方向还包括位于所述抗结霜制冷区域(B)下游的加强制冷区域(C);其中,在所述第一方向上,所述抗结霜制冷区域(B)中相邻所述第一通道段的间距大于所述加强制冷区域(C)中相邻所述第一通道段的间距。
- 根据权利要求2或4所述的蒸发装置(10),其中,对于同一所述换热通道,所述抗结霜制冷区域(B)中所述第一通道段的数量大于所述除湿区域(A)中所述第一通道段的数量;和/或所述除湿区域(A)中所述第一通道段的数量大于所述加强制冷区域(C)中所述第一通道段的数量。
- 根据权利要求2或4所述的蒸发装置(10),其中,对于同一所述换热通道,所述除湿区域(A)中所述第一通道段的数量被构造为不发生结霜的所述第一通道段的数量;所述抗结霜制冷区域(B)中所述第一通道段的数量被构造为使所述除湿区域(A) 和所述抗结霜制冷区域(B)共同去除气流中预设百分含量的湿度以及到达预设换热量;和/或所述加强制冷区域(C)中所述第一通道段的数量被构造为使所述换热主体(1)的总体换热量满足需求。
- 根据权利要求1~6任一项所述的蒸发装置(10),其中,所述换热主体(1)包括:基体(1’);和换热管(2),安装于所述基体(1’),所述换热管(2)内部形成所述换热通道,所述换热管(2)包括多个第一管段(21)和多个第二管段(22),所述第一管段(21)内部形成所述第一通道段,所述第二管段(22)内部形成所述第二通道段。
- 根据权利要求1~7任一项所述的蒸发装置(10),其中,所述换热通道沿第三方向设有多个,多个所述换热通道均沿所述第一方向从各自的第一端引入冷媒,并从各自的第二端引出冷媒,所述第三方向垂直于所述第一方向和所述第二方向;其中,多个所述换热通道至少包括一组相邻且交叉设置的所述换热通道,交叉设置的两个换热通道中各自位于所述第一通道段同端的所述第二通道段交叉设置。
- 根据权利要求8所述的蒸发装置(10),其中,交叉设置的两个换热通道位于所述换热主体(1)沿所述第三方向的至少一侧。
- 根据权利要求1~9任一项所述的蒸发装置(10),其中,所述换热主体(1)的迎风面(S)包括:所述除湿区域(A)垂直于第三方向且朝向进风的表面,以及所述除湿区域(A)垂直于所述第一方向的表面,其中,所述第三方向垂直于所述第一方向和所述第二方向。
- 根据权利要求1~10任一项所述的蒸发装置(10),其中,所述换热主体(1)表面涂覆疏水涂层。
- 根据权利要求1~11任一项所述的蒸发装置(10),还包括:供液管(4)和出气管(5),分别与所述换热通道两端的进口(23)和出口(24)连通,所述供液管(4)上设有节流元件(8);和第一温度检测部件(3),被配置为检测所述换热主体(1)位于所述除湿区域(A)的温度;其中,所述节流元件(8)的开度被配置为在所述第一温度检测部件(3)的检测值超过预设温度值时增大,并在所述第一温度检测部件(3)的检测值不超过所述预 设温度值时减小。
- 根据权利要求12所述的蒸发装置(10),还包括:第二温度检测部件(6),被配置为检测所述供液管(4)的温度;和第三温度检测部件(7),被配置为检测所述出气管(5)的温度;其中,所述节流元件(8)的开度被配置为根据所述第三温度检测部件(7)和所述第二温度检测部件(6)的检测值之差确定,且所述节流元件(8)的开度与所述检测值之差正相关。
- 根据权利要求7所述的蒸发装置(10),其中,所述换热管(2)的直径范围为6mm~13mm。
- 一种制冷陈列柜,包括权利要求1~14任一所述的蒸发装置(10)。
- 根据权利要求15所述的制冷陈列柜,还包括:柜体(20),所述柜体(20)内设有第一风道(30)和第二风道(40),所述第一风道(30)沿所述柜体(20)的前后方向延伸且设在所述柜体(20)下部;所述第二风道(40)沿所述柜体(20)的上下方向延伸且设在所述柜体(20)的后部,所述第二风道(40)的下部与所述第一风道(30)的后部连通;风机(70),设在所述第一风道(30)内,被配置为向所述第一风道(30)输送冷风,所述冷风依次经过所述第一风道(30)和所述第二风道(40)后在所述柜体(20)的前侧面形成冷风幕;其中,所述蒸发装置(10)设在所述第二风道(40)的下方区域,且所述第一方向与上下方向一致。
- 根据权利要求16所述的制冷陈列柜,还包括:挡板(80),设在所述第一风道(30)和所述第二风道(40)之间;其中,所述除湿区域(A)位于所述挡板(80)以下,所述抗结霜制冷区域(B)和加强制冷区域(C)位于所述挡板(80)以上,所述换热主体(1)的迎风面(S)包括所述除湿区域(A)正对回风的表面和底面。
- 一种基于权利要求1~14任一所述蒸发装置(10)的控制方法,包括:通过第一温度检测部件(3)检测所述换热主体(1)位于所述除湿区域(A)的温度;判断所述第一温度检测部件(3)的检测值是否超过预设温度值,如果超过所述预设温度值则增大节流元件(8)的开度,如果不超过所述预设温度值则减小所述节 流元件(8)的开度;其中,所述节流元件(8)设在蒸发装置(10)的供液管(4)上,所述供液管(4)与所述换热通道的进口(23)连通。
- 根据权利要求18所述的控制方法,其中,在需要调节所述节流元件(8)的开度时,所述控制方法还包括:通过第二温度检测部件(6)检测所述供液管(4)的温度;通过第三温度检测部件(7)检测出气管(5)的温度,所述出气管(5)与所述换热通道的出口(24)连通;根据所述第三温度检测部件(7)和所述第二温度检测部件(6)的检测值之差确定所述节流元件(8)的开度,且所述节流元件(8)的开度与所述检测值之差正相关。
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