CN105571214A - Air conditioner and parallel flow heat exchanger thereof - Google Patents
Air conditioner and parallel flow heat exchanger thereof Download PDFInfo
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- CN105571214A CN105571214A CN201610109037.7A CN201610109037A CN105571214A CN 105571214 A CN105571214 A CN 105571214A CN 201610109037 A CN201610109037 A CN 201610109037A CN 105571214 A CN105571214 A CN 105571214A
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- heat exchanger
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- channel flat
- header
- multichannel
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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
- F25B39/04—Condensers
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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
- F24F1/42—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of the condensate, e.g. for enhanced cooling
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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
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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
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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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)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the technical field of air conditioners and provides an air conditioner and a parallel flow heat exchanger. The parallel flow heat exchanger comprises a main heat exchanger body and an auxiliary heat exchanger body. Both the main heat exchanger body and the auxiliary heat exchanger body comprise left flow collecting pipes, right flow collecting pipes, micro-channel flat pipes and fins, and the left flow collecting pipes are parallel to the corresponding right flow collecting pipes. The micro-channel flat pipes of the main heat exchanger body abut against the micro-channel flat pipes of the auxiliary heat exchanger body in an attached mode. A refrigerating agent flows in the main heat exchanger body. Cooling water or hot water flows in the auxiliary heat exchanger body. According to the air conditioner and the parallel flow heat exchanger, during refrigeration, condensed water is gathered in the multiple paths of micro-channel flat pipes of the auxiliary heat exchanger body after being collected, and the condensed water in the multiple paths of micro-channel flat pipes of the auxiliary heat exchanger body can effectively conduct heat exchange with the main heat exchanger body, so that the heat exchange efficiency of the whole parallel flow heat exchanger is improved and the condensed water is effectively utilized. During low-temperature heating operation, frost on the surface of the heat exchanger is thawed through heat exchange of the auxiliary heat exchanger body and the main heat exchanger body, so that heat exchange amount and comfort of the air conditioner under the low-temperature working condition are improved.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly, relate to a kind of air-conditioner and parallel flow heat exchanger thereof.
Background technology
At present, common window air conditioner or mobile air conditioner are all fetched water function, and the condensed water produced by air-conditioner self is sprayed onto further cooler condenser on condenser, can effectively promote air-conditioner heat exchange amount and heat exchange efficiency.If but condenser used is full aluminium parallel-flow heat exchanger, then direct condensed water is sprayed onto condenser surface, corrosion risk will increase greatly.And the condensed water that the detachable air conditioner evaporimeter that Application comparison is many at present produces directly is discharged to drainpipe especially, directly do not utilize.
And domestic heat pump air conditioning device all adopts cross valve to control defrost, because defrost is comparatively frequent, defrost process cross valve can send sound, and defrost process air-conditioning cannot to indoor transfer heat, on the contrary to indoor absorption heat.Parallel-flow heat exchanger is as pump type heat outdoor heat exchanger, and because its frosting velocity is very fast, the slow characteristic of defrost, defrost can be more frequent, and heat exchange amount can be lower, cause air-conditioning to have the sound, and comfortableness is poor.
Summary of the invention
The object of the present invention is to provide a kind of air-conditioner and parallel flow heat exchanger thereof, to be intended to solve in prior art condensed water in air-conditioner and effectively cannot to utilize and adopt cross valve defrost, have the sound, defrost speed slowly, the problem of comfortableness difference.
For solving the problems of the technologies described above, technical scheme of the present invention is: provide a kind of parallel flow heat exchanger, it is characterized in that: comprise main heat exchanger and supplementary heat exchanger, described main heat exchanger comprises the first left header of be arrangeding in parallel is communicated with described first left header and described first right header multichannel first micro-channel flat with the first right header, level and the first fin be located in the first micro-channel flat described in each road, described supplementary heat exchanger comprises the second left header and the second right header that be arranged in parallel, multichannel second micro-channel flat that level is communicated with described second left header and described second right header and the second fin be located in various described second micro-channel flat, first micro-channel flat described in multichannel and multiple described second micro-channel flat recline, the first right clapboard that it is divided at least two the first right chambers by is up and down provided with in described first right header, the the first right chamber being positioned at the top has condenser input pipe, the the first right chamber being positioned at bottom has condenser efferent duct, the second right clapboard that it is divided at least two the second right chambers by is up and down provided with in described second right header, the the second right chamber being positioned at bottom has can the input pipe that enters of Cooling Water or hot water, the efferent duct that the second right chamber being positioned at the top has cooling water or hot water to export.
Alternatively, the structure of multichannel first micro-channel flat of described main heat exchanger is different from the structure of multichannel second micro-channel flat of described supplementary heat exchanger.
Alternatively, the hydraulic diameter of multichannel first micro-channel flat of described main heat exchanger is less than the hydraulic diameter of multichannel second micro-channel flat of described supplementary heat exchanger.
Alternatively, establish multiple microchannel pore in the first micro-channel flat described in each road, be provided with multiple microchannel pore in the second micro-channel flat described in each road, the microchannel pore quantity in described first micro-channel flat is more than the microchannel pore quantity of described second micro-channel flat.
Alternatively, described first left clapboard and/or described first right clapboard are provided with spray-hole.
Alternatively, described first fin and described second fin independently, and are individually fixed on the second microchannel described in the first micro-channel flat described in each road and each road.
Alternatively, described first fin and described second fin one-body molded become wing band, described wing band is provided with flat tube groove, and described first micro-channel flat and described second micro-channel flat recline and be placed in described flat tube groove.
Alternatively, multichannel first micro-channel flat of described main heat exchanger and multichannel second micro-channel flat of described supplementary heat exchanger are fixed by Welding.
Alternatively, the first right clapboard in described first right header is at least two, the the first right chamber be separated to form up and down by described first right clapboard is at least three, the the first right chamber being positioned at the top has condenser input pipe, the the first right chamber being positioned at bottom has condenser efferent duct, be provided with the first left clapboard that at least one can be divided at least two the first left chamber in described first left header, the quantity of described first left chamber is less than the quantity of described first right chamber; The second right clapboard in described second right header is at least two, the the second right chamber be separated to form up and down by described second right clapboard is at least three, the the second right chamber being positioned at bottom has can the input pipe that enters of Cooling Water or hot water, the efferent duct that the second right chamber being positioned at the top has cooling water or hot water to export, be provided with the second left clapboard that it is divided at least two the second left chamber by up and down in described second left header, the quantity of described second left chamber is less than the quantity of described second right chamber.
Present invention also offers a kind of air-conditioner, in it, be provided with above-mentioned parallel flow heat exchanger.
In the present invention, heat exchanger is set to main heat exchanger and supplementary heat exchanger, the multichannel microchannel flat tube of main heat exchanger and the multichannel microchannel flat tube of supplementary heat exchanger are reclined simultaneously, when refrigerating operaton, import in the multichannel microchannel flat tube of supplementary heat exchanger after condensation water collection, in the multichannel microchannel flat tube of supplementary heat exchanger, condensate temperature is lower than refrigerant temperature in main heat exchanger and condensation side air themperature, can effectively and main heat exchanger carry out heat exchange, condensed water and supplementary heat exchanger is utilized to promote the heat exchange efficiency of whole concurrent flow heat exchanger like this, condensed water is effectively utilized, and in low-temperature heating running, heat exchanger surface frosting, now by introducing hot water or other high-temperature mediums in supplementary heat exchanger, and utilize supplementary heat exchanger and main heat exchanger to carry out the frost that heat exchanger surface is melted in heat exchange, the shortcoming that the different sound avoiding like this utilizing the tangential defrost of cross valve to bring and the tangential defrost process of cross valve cannot heat, promotes heat exchange amount and comfortableness under air-conditioner worst cold case.
Accompanying drawing explanation
Fig. 1 is the structural representation of the parallel flow heat exchanger that the embodiment of the present invention one provides;
Fig. 2 is the front view of parallel flow heat exchanger in the embodiment of the present invention one;
Fig. 3 is the rearview of parallel flow heat exchanger in the embodiment of the present invention one;
Fig. 4 is the top view of the first right clapboard in the embodiment of the present invention one;
Fig. 5 is the front view of the parallel flow heat exchanger that the embodiment of the present invention two provides;
Fig. 6 is the schematic diagram of wing band in the embodiment of the present invention two;
Fig. 7 is the top view of the first left clapboard in the embodiment of the present invention two;
10-main heat exchanger; The left header of 11-first;
The right header of 12-first; 13-multichannel first micro-channel flat;
14-first fin; 15-first right clapboard;
The right chamber of 16-first; 17-condenser input pipe;
18-condenser efferent duct; 19-first left clapboard;
191-spray-hole; 110-first left chamber;
20-supplementary heat exchanger; The left header of 21-second;
The right header of 22-second; 23-multichannel second micro-channel flat;
24-second right clapboard; The right chamber of 25-second;
26-input pipe; 27-efferent duct;
28-second left clapboard; 29-second left chamber;
30-wing band; 31-flat tube groove.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is called as " being connected to " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
The invention provides a kind of parallel flow heat exchanger, comprise main heat exchanger and supplementary heat exchanger, described main heat exchanger comprises the first left header of be arrangeding in parallel is communicated with described first left header and described first right header multichannel first micro-channel flat with the first right header, level and the first fin be located in the first micro-channel flat described in each road, described supplementary heat exchanger comprises the second left header and the second right header that be arranged in parallel, multichannel second micro-channel flat that level is communicated with described second left header and described second right header and the second fin be located in various described second micro-channel flat, first micro-channel flat described in multichannel and multiple described second micro-channel flat recline, the first right clapboard that it is divided at least two the first right chambers by is up and down provided with in described first right header, the the first right chamber being positioned at the top has condenser input pipe, the the first right chamber being positioned at bottom has condenser efferent duct, the second right clapboard that it is divided at least two the second right chambers by is up and down provided with in described second right header, the the second right chamber being positioned at bottom has can the input pipe that enters of Cooling Water or hot water, the efferent duct that the second right chamber being positioned at the top has cooling water or hot water to export.
In the present invention, heat exchanger is set to main heat exchanger and supplementary heat exchanger, the multichannel microchannel flat tube of main heat exchanger and the multichannel microchannel flat tube of supplementary heat exchanger are reclined simultaneously, when refrigerating operaton, import in the multichannel microchannel flat tube of supplementary heat exchanger after condensation water collection, in the multichannel microchannel flat tube of supplementary heat exchanger, condensate temperature is lower than refrigerant temperature in main heat exchanger and condensation side air themperature, can effectively and main heat exchanger carry out heat exchange, condensed water and supplementary heat exchanger is utilized to promote the heat exchange efficiency of whole concurrent flow heat exchanger like this, condensed water is effectively utilized, and in low-temperature heating running, heat exchanger surface frosting, now by introducing hot water or other high-temperature mediums in supplementary heat exchanger, and utilize supplementary heat exchanger and main heat exchanger to carry out the frost that heat exchanger surface is melted in heat exchange, the shortcoming that the different sound avoiding like this utilizing the tangential defrost of cross valve to bring and the tangential defrost process of cross valve cannot heat, promotes heat exchange amount and comfortableness under air-conditioner worst cold case.
In the present invention, refrigerant flow direction in main heat exchanger is from top to bottom, the first right chamber of the first right header the top is entered by condenser input pipe, the first left header is entered through multichannel first micro-channel flat, flowed into the first right chamber of below in the first right header again by the first left header through multichannel first micro-channel flat, and flowed out by condenser efferent duct; And cooling water in supplementary heat exchanger or hot water flow to interior with main heat exchanger contrary, from the bottom to top, entered by the input pipe of the second right chamber with bottom, the second left chamber is entered through multichannel second micro-channel flat, entered the second right chamber of the top again by the second left chamber through multichannel second micro-channel flat, and flowed out by efferent duct.It should be noted that, in first right header first right chamber quantity is at least two, also can be three, four or more, when the first right chamber quantity be three, four or more time, the the first left header being positioned at left side also needs to be divided at least two by dividing plate, first left chamber of three or more.
Be described in detail below in conjunction with accompanying drawing and different embodiments.
Embodiment one
With reference to Fig. 1, Fig. 2, in the present embodiment, parallel flow heat exchanger comprises main heat exchanger 10 and supplementary heat exchanger 20.Main heat exchanger 10 comprises the first left header 11 be arranged in parallel is communicated with the first left header 11 and the first right header 12 multichannel first micro-channel flat 13 with the first right header 12, level and the first fin 14 be located in each road first micro-channel flat 13.In figure, part first fin 14 is only shown.Wherein, two the first right clapboards 15 are provided with in first right header 12, first right header about 12 is divided into three the first right chambers 16 by two the first right clapboards 15, the the first right chamber 16 being positioned at the top is communicated with condenser input pipe 17, and the first right chamber 16 being positioned at bottom is communicated with condenser efferent duct 18.And be provided with one first left clapboard 19, the first left clapboard 19 in the first left header 11 first left header 11 is divided into two the first left chamber 110.In the present embodiment, the quantity of the first left chamber 110 is less than the quantity of the first right chamber 16.
With reference to Fig. 1, Fig. 3, supplementary heat exchanger 20 comprises the second left header 21 be arranged in parallel is communicated with the second left header 21 and the second right header 22 multichannel second micro-channel flat 23 with the second right header 22, level and the second fin be located in various second micro-channel flat 23.Wherein, three the second right clapboards 24 are provided with in second right header 22, second right header about 22 is divided into four the second right chambers 25 by three the second right clapboards 24, the the second right chamber 25 being positioned at bottom is communicated with can the input pipe 26 that enters of Cooling Water or hot water, and the second right chamber 25 being positioned at the top is communicated with the efferent duct 27 that cooling water or hot water export.Correspondingly, be provided with two the second left clapboards, 28, two the second left clapboards 28 in the second left header 21 and second left header 21 is separated to form three the second left chamber 29.Same, in the present embodiment, the quantity of the second left chamber 29 is less than the quantity of the second right chamber 25.
Multichannel first micro-channel flat 13 of main heat exchanger 10 reclines with multichannel second micro-channel flat 23 of supplementary heat exchanger 20, thus ensures contact heat-exchanging good between main heat exchanger 10 and supplementary heat exchanger 20.
Further, for ensureing the uniformity of heat exchanger entirety, multichannel first micro-channel flat 13 and multichannel second micro-channel flat 23 are fixed by Welding.Because soldering almost produces without thermal resistance, the cold-producing medium of multichannel first micro-channel flat 13 inside is except carrying out except heat exchange condensation with the first fin 14, also can carry out heat exchange with multichannel second micro-channel flat 23, because the cooling water temperature in multichannel second micro-channel flat 23 is well below air-side temperature, heat transfer effect is higher than simple air side heat exchange, can significantly promote condenser heat exchange efficiency.
In the present embodiment, cold-producing medium due to what flow through in multichannel first micro-channel flat 13 of main heat exchanger 10, internal pressure is higher, and what flow through in multiple second micro-channel flat of supplementary heat exchanger 20 is condensed water or hot water, pressure is lower, the structure of multichannel first micro-channel flat 13 of main heat exchanger 10 is different from the vibrational power flow of multichannel second micro-channel flat 23 of supplementary heat exchanger 20, heat exchanger heat exchanger efficiency can be promoted further and reduce heat exchanger materials cost.
Such as, the hydraulic diameter of multichannel first micro-channel flat 13 of main heat exchanger 10 is different from the hydraulic diameter of multichannel second micro-channel flat 23 of supplementary heat exchanger 20.Particularly, the hydraulic diameter of multichannel first micro-channel flat 13 of main heat exchanger 10 is less than the hydraulic diameter of multichannel second micro-channel flat 23 of supplementary heat exchanger 20.
Multiple microchannel pore is provided with in each road first micro-channel flat 13, also be provided with multiple microchannel pore in each road second micro-channel flat 23, the microchannel pore quantity be provided with in each road first micro-channel flat 13 of main heat exchanger 10 is more than the microchannel pore quantity of each road second micro-channel flat 23 of supplementary heat exchanger 20.
With reference to Fig. 4, in the present embodiment, the first left clapboard 19 is identical with the first right clapboard 15 structure, and its cross section is roughly rounded, is placed in respectively in the first left header 11 and the first right header 12.
In the present embodiment, the first fin 14 and the second fin are integrated, and the second fin can regard a part for the first fin 14 as, and the first fin 14 is positioned at outside each road first micro-channel flat 13 and each road second micro-channel flat 23 simultaneously, plays thermolysis simultaneously.Certainly, the first fin and the second fin also can be independent setting, are individually fixed in outside each road first micro-channel flat 13 and each road second micro-channel flat 23.
With reference to Fig. 2, in the present embodiment, the level height of the first left clapboard 19 is between two first right clapboards 15.When air-conditioner is in refrigerating operaton process, cold-producing medium out enters into the condenser input pipe 2617 of main heat exchanger 10 afterwards from air-conditioner throttle part, then flow into the first right chamber 16 of the top of the first right header 12, and after import the first left chamber 110 above the first left header 11 through multichannel first micro-channel flat 13, then under the effect of the first left clapboard 19, cold-producing medium condenses to along multichannel first micro-channel flat 13 the first right chamber 16 that first right header 12 is positioned at centre again, equally under the first right clapboard 15 acts on, cold-producing medium condenses to the first left chamber 110 of the below of the first left header 11 again along multichannel first micro-channel flat 13, then multichannel first micro-channel flat 13 condenses to the first right chamber 16 of the below of the first right header 12 again, flow out finally by condenser efferent duct 2718, flow to next parts of air-conditioner.
With reference to Fig. 3, in the present embodiment, two the second left clapboards 28 also lay respectively between two second right clapboards 24.When air-conditioner is in refrigerating operaton process, the condensed water formed inside air conditioner chamber out enters into the input pipe 26 below supplementary heat exchanger 20 afterwards from drainpipe, then flow into the second right chamber 25 of the second right header 22 bottom, cooling water flow is to contrary with refrigerant flow direction, inside multichannel second micro-channel flat 23, finally flow to the second right chamber 25 of the second right header 22 the top from bottom to top through six loops, then discharged by efferent duct 27.
When cold-producing medium flows in main heat exchanger 10, cold-producing medium not only carries out heat exchange condensation with the first fin 14, also carry out heat exchange with the supplementary heat exchanger 20 of cooling water flow warp, because cooling water temperature is well below air-side temperature, heat transfer effect is higher than simple air side heat exchange, can significantly promote condenser heat exchange efficiency; Same, in low-temperature heating running, heat exchanger surface frosting, now by introducing hot water or other high-temperature mediums in supplementary heat exchanger 20, and utilize supplementary heat exchanger 20 and main heat exchanger 10 to carry out the frost that heat exchanger surface is melted in heat exchange, the shortcoming that the different sound avoiding like this utilizing the tangential defrost of cross valve to bring and the tangential defrost process of cross valve cannot heat, promotes heat exchange amount and comfortableness under air-conditioner worst cold case.
Embodiment two
With reference to Fig. 5 to Fig. 7, the present embodiment is from the different of embodiment one, and the first left clapboard 19 in the first left header 11 is two, and the first left clapboard 19 is provided with spray-hole 191.The first left clapboard 19 being positioned at the top is concordant with the first right clapboard 15 of the first right header 12 the top, certainly, and also can higher than the first right clapboard 15 of the top.In the first left clapboard 19, spray-hole 191 is set, ensure that air-conditioner is at process of refrigerastion, cold-producing medium can flow through from spray-hole 191, air-conditioner is at heating operations simultaneously, cold-producing medium again can under spray-hole 191 acts on accelerating jetting to the first left chamber 110 top of the first left header 11, make cold-producing medium distribute more all use, promote heat exchanger heat exchange efficiency.Certainly, also spray-hole can be set on each first right clapboard 15.
In the present embodiment, the first fin 14 and the one-body molded wing band 30 forming entirety of the second fin, wing band 30 is provided with flat tube groove 31.Multichannel first micro-channel flat 13 and multichannel second micro-channel flat 23 recline and are placed in flat tube groove 31, respectively the first left header 11, first right header 12, second left header 21 and the second right header 22 are installed again, fix finally by Welding.
In the present embodiment, parallel flow heat exchanger has technique effect as identical in embodiment one, when cold-producing medium flows in main heat exchanger 10, cold-producing medium not only carries out heat exchange condensation with the first fin 14, also carry out heat exchange with the supplementary heat exchanger 20 of cooling water flow warp, because cooling water temperature is well below air-side temperature, heat transfer effect is higher than simple air side heat exchange, can significantly promote condenser heat exchange efficiency; Same, in low-temperature heating running, heat exchanger surface frosting, now by introducing hot water or other high-temperature mediums in supplementary heat exchanger 20, and utilize supplementary heat exchanger 20 and main heat exchanger 10 to carry out the frost that heat exchanger surface is melted in heat exchange, the shortcoming that the different sound avoiding like this utilizing the tangential defrost of cross valve to bring and the tangential defrost process of cross valve cannot heat, promotes heat exchange amount and comfortableness under air-conditioner worst cold case.
Present invention also offers a kind of air-conditioner (not shown), in it, be provided with above-mentioned parallel flow heat exchanger.Above-mentioned parallel flow heat exchanger is set, improves the heat exchange efficiency of heat exchanger, and effectively utilize condensed water, and, also heat exchange amount and comfortableness when raising air-conditioning muting function and low temperature.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a parallel flow heat exchanger, it is characterized in that: comprise main heat exchanger and supplementary heat exchanger, described main heat exchanger comprises the first left header of be arrangeding in parallel is communicated with described first left header and described first right header multichannel first micro-channel flat with the first right header, level and the first fin be located in the first micro-channel flat described in each road, described supplementary heat exchanger comprises the second left header and the second right header that be arranged in parallel, multichannel second micro-channel flat that level is communicated with described second left header and described second right header and the second fin be located in various described second micro-channel flat, first micro-channel flat described in multichannel and multiple described second micro-channel flat recline, the first right clapboard that it is divided at least two the first right chambers by is up and down provided with in described first right header, the the first right chamber being positioned at the top has condenser input pipe, the the first right chamber being positioned at bottom has condenser efferent duct, the second right clapboard that it is divided at least two the second right chambers by is up and down provided with in described second right header, the the second right chamber being positioned at bottom has can the input pipe that enters of Cooling Water or hot water, the efferent duct that the second right chamber being positioned at the top has cooling water or hot water to export.
2. parallel flow heat exchanger as claimed in claim 1, is characterized in that: the structure of multichannel first micro-channel flat of described main heat exchanger is different from the structure of multichannel second micro-channel flat of described supplementary heat exchanger.
3. parallel flow heat exchanger as claimed in claim 2, is characterized in that: the hydraulic diameter of multichannel first micro-channel flat of described main heat exchanger is less than the hydraulic diameter of multichannel second micro-channel flat of described supplementary heat exchanger.
4. parallel flow heat exchanger as claimed in claim 1, it is characterized in that: in the first micro-channel flat described in each road, establish multiple microchannel pore, be provided with multiple microchannel pore in second micro-channel flat described in each road, the microchannel pore quantity in described first micro-channel flat is more than the microchannel pore quantity of described second micro-channel flat.
5. parallel flow heat exchanger as claimed in claim 1, is characterized in that: described first left clapboard and/or described first right clapboard are provided with spray-hole.
6. parallel flow heat exchanger as claimed in claim 1, is characterized in that: described first fin and described second fin are independently arranged, and are individually fixed on the second microchannel described in the first micro-channel flat described in each road and each road.
7. parallel flow heat exchanger as claimed in claim 1, it is characterized in that: described first fin and described second fin one-body molded become wing band, described wing band is provided with flat tube groove, and described first micro-channel flat and described second micro-channel flat recline and be placed in described flat tube groove.
8. parallel flow heat exchanger as claimed in claim 1, is characterized in that: multichannel first micro-channel flat of described main heat exchanger and multichannel second micro-channel flat of described supplementary heat exchanger are fixed by Welding.
9. the parallel flow heat exchanger according to any one of claim 1 to 8, it is characterized in that: the first right clapboard in described first right header is at least two, the the first right chamber be separated to form up and down by described first right clapboard is at least three, the the first right chamber being positioned at the top has condenser input pipe, the the first right chamber being positioned at bottom has condenser efferent duct, the first left clapboard that at least one can be divided at least two the first left chamber is provided with in described first left header, the quantity of described first left chamber is less than the quantity of described first right chamber, the second right clapboard in described second right header is at least two, the the second right chamber be separated to form up and down by described second right clapboard is at least three, the the second right chamber being positioned at bottom has can the input pipe that enters of Cooling Water or hot water, the efferent duct that the second right chamber being positioned at the top has cooling water or hot water to export, be provided with the second left clapboard that it is divided at least two the second left chamber by up and down in described second left header, the quantity of described second left chamber is less than the quantity of described second right chamber.
10. an air-conditioner, is characterized in that: be provided with parallel flow heat exchanger as claimed in any one of claims 1-9 wherein in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610109037.7A CN105571214A (en) | 2016-02-25 | 2016-02-25 | Air conditioner and parallel flow heat exchanger thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610109037.7A CN105571214A (en) | 2016-02-25 | 2016-02-25 | Air conditioner and parallel flow heat exchanger thereof |
Publications (1)
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| CN106969551A (en) * | 2017-04-28 | 2017-07-21 | 青岛易图令科技有限公司 | Multiple rows of pipe type parallel-flow heat exchanger |
| CN107514842A (en) * | 2016-06-17 | 2017-12-26 | 杭州三花家电热管理系统有限公司 | A kind of heat exchanger |
| CN107543336A (en) * | 2016-06-23 | 2018-01-05 | 杭州三花家电热管理系统有限公司 | Header and the heat exchanger with the header |
| CN109579253A (en) * | 2018-12-12 | 2019-04-05 | 南京天加环境科技有限公司 | A kind of energy conserving system and its control method of air conditioner condensate water recycling |
| CN110260561A (en) * | 2019-07-15 | 2019-09-20 | 珠海格力电器股份有限公司 | Double-row micro-channel heat exchange system and air conditioner |
| CN111595192A (en) * | 2020-05-25 | 2020-08-28 | 广东美的制冷设备有限公司 | Heat exchanger and air conditioner |
| CN113370744A (en) * | 2021-05-18 | 2021-09-10 | 武汉路特斯汽车有限公司 | Integrated heat exchange system and vehicle |
| CN113558437A (en) * | 2021-07-30 | 2021-10-29 | 郑州轻工业大学 | Refrigerated display cabinet control method without temperature fluctuation |
| CN114126332A (en) * | 2020-08-26 | 2022-03-01 | 广东美的暖通设备有限公司 | Air conditioning system |
| WO2022042456A1 (en) * | 2020-08-26 | 2022-03-03 | 广东美的暖通设备有限公司 | Heat exchanger, electric control box and air conditioning system |
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| CN111595192A (en) * | 2020-05-25 | 2020-08-28 | 广东美的制冷设备有限公司 | Heat exchanger and air conditioner |
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Application publication date: 20160511 |