CN107830658A - Heat exchanger, indoor set and air conditioner - Google Patents
Heat exchanger, indoor set and air conditioner Download PDFInfo
- Publication number
- CN107830658A CN107830658A CN201711177936.1A CN201711177936A CN107830658A CN 107830658 A CN107830658 A CN 107830658A CN 201711177936 A CN201711177936 A CN 201711177936A CN 107830658 A CN107830658 A CN 107830658A
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- heat
- heat exchange
- exchange tubes
- heat exchanger
- exchanger tube
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- 239000003507 refrigerant Substances 0.000 claims abstract description 100
- 230000008676 import Effects 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 description 10
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 239000002826 coolant Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
-
- 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
-
- 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
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
-
- 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
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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 discloses a kind of heat exchanger, indoor set and air conditioner, the heat exchanger includes preceding heat-exchanging component and rear heat-exchanging component, preceding heat-exchanging component includes being sequentially communicated, and the first set of heat exchange tubes, the second set of heat exchange tubes and the 3rd set of heat exchange tubes by multiple preceding set of heat exchange tubes into refrigerant flow pipe respectively；First set of heat exchange tubes and the 3rd set of heat exchange tubes are located at the top of preceding heat-exchanging component, and the first set of heat exchange tubes is located at the windward side of the 3rd set of heat exchange tubes, and the second set of heat exchange tubes is located at the bottom of preceding heat-exchanging component；Heat-exchanging component includes the 4th set of heat exchange tubes by multiple rear set of heat exchange tubes into refrigerant flow pipe afterwards, and the refrigerant inlet of the 4th set of heat exchange tubes connects with the first set of heat exchange tubes, and its refrigerant exit connects with the 3rd set of heat exchange tubes；The refrigerant general import of heat exchanger is located on the preceding heat exchanger tube in the first set of heat exchange tubes, and its refrigerant general export is located on the preceding heat exchanger tube in the 3rd set of heat exchange tubes.Present invention improves over the structure of heat exchanger, the overall heat exchange efficiency of heat exchanger is improved.
Description
Technical field
The present invention relates to air conditioner technical field, more particularly to a kind of heat exchanger, air conditioner room unit and air conditioner.
Background technology
In the prior art, the evaporator of air conditioner room unit includes multiple interconnected heat exchanger tubes, when air conditioner is entering
During row refrigeration, the refrigerant in heat exchanger tube is by evaporation endothermic, to reduce the air themperature for flowing through heat exchanger, so as to reach refrigeration
Purpose.
But the evaporation characteristic according to refrigerant in heat exchanger tube, it is in a part of heat exchanger tube nearer apart from refrigerant import
Liquid refrigerants, it is gaseous coolant in a part of heat exchanger tube of refrigerant import farther out, in a part of heat exchanger tube in centre
It is then gas-liquid two-phase refrigerant, wherein, the coefficient of heat transfer of gas-liquid two-phase refrigerant is higher than the coefficient of heat transfer and gaseous coolant of liquid refrigerants
The coefficient of heat transfer.Therefore, the heat exchange efficiency of the heat exchanger tube with gas-liquid two-phase refrigerant is higher, has liquid refrigerants or gaseous coolant
Heat exchanger tube heat exchange efficiency it is relatively low, thus, the heat exchange of heat exchanger everywhere can be caused not uniform enough, so as to influence the whole of heat exchanger
Body heat exchange efficiency.
The content of the invention
It is a primary object of the present invention to provide a kind of heat exchanger, it is intended to improve the overall heat exchange efficiency of heat exchanger.
To achieve the above object, the present invention proposes a kind of heat exchanger, including the preceding heat-exchanging component that is set in inverted " v " shape and
Heat-exchanging component afterwards,
The preceding heat-exchanging component has the top being connected with the rear heat-exchanging component and the bottom away from the top, before described
Heat-exchanging component is included respectively by multiple preceding set of heat exchange tubes into the first set of heat exchange tubes of refrigerant flow pipe, the second set of heat exchange tubes and the
Three set of heat exchange tubes, first set of heat exchange tubes, second set of heat exchange tubes and the 3rd set of heat exchange tubes are sequentially communicated；Described
One set of heat exchange tubes and the 3rd set of heat exchange tubes are located at the top of the preceding heat-exchanging component, and first set of heat exchange tubes is positioned at described
The windward side of 3rd set of heat exchange tubes, second set of heat exchange tubes are located at the bottom of the preceding heat-exchanging component；
Heat-exchanging component includes the 4th set of heat exchange tubes into refrigerant flow pipe by set of heat exchange tubes after multiple after described, and described the
The refrigerant inlet of four set of heat exchange tubes connects with the refrigerant exit of first set of heat exchange tubes, and the refrigerant of the 4th set of heat exchange tubes goes out
Mouth connects with the 3rd set of heat exchange tubes；
The refrigerant general import of the heat exchanger is on the preceding heat exchanger tube for forming first set of heat exchange tubes, the heat exchanger
Refrigerant general export on the preceding heat exchanger tube for forming the 3rd set of heat exchange tubes.
Preferably, the preceding heat exchanger tube on the preceding heat-exchanging component is divided into interior from the leeward side of the preceding heat-exchanging component to windward side
Outer two row, and arrange the preceding heat exchanger tube outside and be sequentially communicated from top to the bottom of the preceding heat-exchanging component, preceding heat exchange described in interior row
Pipe is sequentially communicated from top to the bottom of the preceding heat-exchanging component；
The bottom of the preceding heat-exchanging component has the lower end away from its top, is located at institute in preceding heat exchanger tube described in inside and outside two row
The two preceding heat exchanger tubes of the lower end of heat-exchanging component communicate with each other before stating；
Set of heat exchange tubes is into first set of heat exchange tubes before the outer row on the preceding heat-exchanging component top, changes before described
Set of heat exchange tubes is into the 3rd set of heat exchange tubes before the interior row on hot component top, two rows inside and outside the preceding heat-exchanging component bottom
The preceding set of heat exchange tubes is into second set of heat exchange tubes.
Preferably, the rear heat-exchanging component has under the upper end being connected with the preceding heat-exchanging component and the remote upper end
Hold, the rear heat exchanger tube on the rear heat-exchanging component is divided into inside and outside two rows, outer row from the leeward side of the rear heat-exchanging component to windward side
Heat exchanger tube is sequentially communicated upper end to the lower end of heat-exchanging component after described after described, described in interior row after heat exchanger tube exchange heat after described
The upper end of component to lower end is sequentially communicated, and positioned at two institutes of the rear heat-exchanging component lower end in rear heat exchanger tube described in inside and outside two row
State rear heat exchanger tube to communicate with each other, to form the 4th set of heat exchange tubes；
Rear heat exchanger tube in heat exchanger tube positioned at the rear heat-exchanging component upper end and first set of heat exchange tubes after described in outer row
Refrigerant exit connection；Rear heat exchanger tube after described in interior row in heat exchanger tube positioned at the rear heat-exchanging component upper end changes with the described 3rd
The refrigerant import connection of heat pipe heat.
Preferably, the 3rd set of heat exchange tubes has two refrigerant imports and a refrigerant general export, and the described 3rd
One of refrigerant import of set of heat exchange tubes connects with the refrigerant exit of second set of heat exchange tubes, the 3rd set of heat exchange tubes
Other in which refrigerant import connects with the refrigerant exit of the 4th set of heat exchange tubes, and the refrigerant general export is positioned at described in composition
In 3rd set of heat exchange tubes between the two adjacent preceding heat exchanger tubes.
Preferably, the length for often arranging the adjacent two preceding heat exchanger tube connection center line in the preceding heat exchanger tube is L1, often arranges institute
State in rear heat exchanger tube adjacent two it is described after the length of heat exchanger tubes connection center lines be L2, be located in preceding heat exchanger tube described in two rows it is described before
The length of the two preceding heat exchanger tubes connection center lines of heat-exchanging component lower end be L3, described in two rows after be located in heat exchanger tube it is described after change
The length of the two rear heat exchanger tube connection center lines of hot component lower end is L4, wherein, L1=L2=L3=L4, and 14mm≤L1≤
17mm。
Preferably, the caliber for forming the preceding heat exchanger tube of first set of heat exchange tubes is D1, forms second set of heat exchange tubes
The caliber of preceding heat exchanger tube be D2, the caliber for forming the preceding heat exchanger tube of the 3rd set of heat exchange tubes be D3, forms the described 4th and changes
The caliber of the rear heat exchanger tube of heat pipe heat is D4, wherein, D1 and D3 are all higher than D2 and D4.
Preferably, the D1 and D2 meet：1.1≤D1/D2≤1.3；
The D1 and D4 meet：1.1≤D1/D4≤1.3；
The D2 and D3 meet：1.1≤D3/D2≤1.3；
The D3 and D4 meet：1.1≤D3/D4≤1.3.
Preferably, the D1=D3, the D2=D4.
Preferably, the quantity for forming the preceding heat exchanger tube of first set of heat exchange tubes is 6, forms second set of heat exchange tubes
The quantity of preceding heat exchanger tube be 12, the quantity for forming the preceding heat exchanger tube of the 3rd set of heat exchange tubes is 4, composition the described 4th
The quantity of heat exchanger tube is 6 after inside and outside two row of set of heat exchange tubes.
Preferably, the quantity for forming the preceding heat exchanger tube of first set of heat exchange tubes is 6, forms second set of heat exchange tubes
The quantity of preceding heat exchanger tube be 10, the quantity for forming the preceding heat exchanger tube of the 3rd set of heat exchange tubes is 6, composition the described 4th
The quantity of heat exchanger tube is 6 after the inside and outside row of set of heat exchange tubes；
The caliber of the two rear heat exchanger tubes after described in interior row in heat exchanger tube positioned at the rear heat-exchanging component upper end is D5, and
And the D5=D3.
The present invention also proposes a kind of indoor set, and the indoor set includes heat exchanger as described above, and the heat exchanger is including being in
The preceding heat-exchanging component and rear heat-exchanging component that inverted " v " shape is set,
The preceding heat-exchanging component has the top being connected with the rear heat-exchanging component and the bottom away from the top, before described
Heat-exchanging component is included respectively by multiple preceding set of heat exchange tubes into the first set of heat exchange tubes of refrigerant flow pipe, the second set of heat exchange tubes and the
Three set of heat exchange tubes, first set of heat exchange tubes, second set of heat exchange tubes and the 3rd set of heat exchange tubes are sequentially communicated；Described
One set of heat exchange tubes and the 3rd set of heat exchange tubes are located at the top of the preceding heat-exchanging component, and first set of heat exchange tubes is positioned at described
The windward side of 3rd set of heat exchange tubes, second set of heat exchange tubes are located at the bottom of the preceding heat-exchanging component；
Heat-exchanging component includes the 4th set of heat exchange tubes into refrigerant flow pipe by set of heat exchange tubes after multiple after described, and described the
The refrigerant inlet of four set of heat exchange tubes connects with the refrigerant exit of first set of heat exchange tubes, and the refrigerant of the 4th set of heat exchange tubes goes out
Mouth connects with the 3rd set of heat exchange tubes；
The refrigerant general import of the heat exchanger is on the preceding heat exchanger tube for forming first set of heat exchange tubes, the heat exchanger
Refrigerant general export on the preceding heat exchanger tube for forming the 3rd set of heat exchange tubes.
The present invention also proposes a kind of air conditioner, and the air conditioner includes outdoor unit, and indoor set as described above.
The present invention is by making the first set of heat exchange tubes with refrigerant general import and the 3rd heat exchange with refrigerant general export
Pipe group is distributed on the top of preceding heat-exchanging component along air-flow direction, by what is connected respectively with the refrigerant exit of the first set of heat exchange tubes
Second set of heat exchange tubes and the 4th set of heat exchange tubes are separately positioned on the bottom and rear heat-exchanging component of preceding heat-exchanging component, and second is changed
The refrigerant exit of heat pipe heat and the refrigerant exit of the 4th set of heat exchange tubes connect with the 3rd set of heat exchange tubes respectively.Thus, air conditioner is worked as
When being freezed, the first set of heat exchange tubes with liquid refrigerants and the 3rd set of heat exchange tubes with gaseous coolant and flow velocity are faster
Air carries out heat exchange, and the second set of heat exchange tubes and the 4th set of heat exchange tubes with gas-liquid two-phase the refrigerant air slower with flow velocity enter
Row heat exchange, and then make that the heat exchange of heat exchanger everywhere is more uniform, and overall heat exchange efficiency is higher.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of present invention heat exchanger one；
Fig. 2 is the structural representation of another embodiment of present invention heat exchanger.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 10 | Wind wheel | 26 | Refrigerant general import |
| 20 | Preceding heat-exchanging component | 27 | Refrigerant general export |
| 21 | Preceding fin | 30 | Heat-exchanging component afterwards |
| 22 | Preceding heat exchanger tube | 31 | Fin afterwards |
| 23 | First set of heat exchange tubes | 32 | Heat exchanger tube afterwards |
| 24 | Second set of heat exchange tubes | 33 | 4th set of heat exchange tubes |
| 25 | 3rd set of heat exchange tubes |
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not paid it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should
When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, the description for being related to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that referring to
Show or imply its relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, " first ", " are defined
At least one this feature can be expressed or be implicitly included to two " feature.In addition, the technical scheme between each embodiment can
To be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme occurs
It is conflicting or will be understood that the combination of this technical scheme is not present when can not realize, also not in the protection model of application claims
Within enclosing.
The present invention proposes a kind of heat exchanger.
Reference picture 1, in one embodiment, heat exchanger proposed by the present invention include the preceding heat exchange group set in inverted " v " shape
Part 20 and rear heat-exchanging component 30, preceding heat-exchanging component 20 have under the top being connected with rear heat-exchanging component 30 and the remote top
Portion, also, also the first set of heat exchange tubes including being made up of refrigerant flow pipe multiple preceding heat exchanger tubes 22 respectively of preceding heat-exchanging component 20
23rd, the second set of heat exchange tubes 24 and the 3rd set of heat exchange tubes 25, the first set of heat exchange tubes 23, the second set of heat exchange tubes 24 and the 3rd set of heat exchange tubes
25 are sequentially communicated.
Wherein, the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25 are located at the top of preceding heat-exchanging component 20, the first heat exchanger tube
Group 23 is located at the windward side of the 3rd set of heat exchange tubes 25, and the second set of heat exchange tubes 24 is located at the bottom of preceding heat-exchanging component 20.Also, exchange heat
On the preceding heat exchanger tube 22 of the first set of heat exchange tubes 23 of composition, the refrigerant general export 27 of heat exchanger is located at the refrigerant general import 26 of device
On the preceding heat exchanger tube 22 for forming the 3rd set of heat exchange tubes 25.
In addition, rear heat-exchanging component 30 includes being made up of the 4th set of heat exchange tubes of refrigerant flow pipe multiple rear heat exchanger tubes 32
33, the refrigerant inlet of the 4th set of heat exchange tubes 33 connects with the refrigerant exit of the first set of heat exchange tubes 23, the 4th set of heat exchange tubes 33 it is cold
Matchmaker outlet connects with the 3rd set of heat exchange tubes 25.
It is understood that after multiple on multiple preceding heat exchanger tubes 22 and rear heat-exchanging component 30 on current heat-exchanging component 20
After heat exchanger tube 32 is distributed in the manner described above, in air conditioner in process of refrigerastion is carried out, refrigerant can be from the refrigerant of heat exchanger
General import 26 is flowed into the first set of heat exchange tubes 23, is then separately flowed into the second set of heat exchange tubes 24 and the 4th set of heat exchange tubes 33
In, finally converge in the 3rd set of heat exchange tubes 25 and the refrigerant general export 27 through heat exchanger flows out.According to refrigerant in heat exchanger tube
Evaporation characteristic, now, substantially liquid refrigerant in the first set of heat exchange tubes 23, the second set of heat exchange tubes 24 and the 4th set of heat exchange tubes 33
In essentially gas-liquid two-phase refrigerant, in the 3rd set of heat exchange tubes 25 in essentially gaseous coolant, therefore, the second set of heat exchange tubes 24
The refrigerant coefficient of heat transfer with the 4th set of heat exchange tubes 33 is higher than the refrigerant heat exchange in the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25
Coefficient.
It should be noted that the heat exchanger of the present embodiment is mainly used in indoor set, when in for indoor set, by interior
The influence of machine structure, in the running, air is from preceding heat-exchanging component 20 and the windward side of rear heat-exchanging component 30 for the wind wheel 10 of indoor set
(preceding heat-exchanging component 20 and rear heat-exchanging component 30 deviate from the side of wind wheel 10), the preceding heat-exchanging component 20 of flow direction and rear heat-exchanging component 30
Leeward side (preceding heat-exchanging component 20 and rear heat-exchanging component 30 towards the side of wind wheel 10), and air flows through the wind speed on heat exchanger top
More than the wind speed for flowing through heat exchanger bottom, that is, air flow through the speed of the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25 compared with
Height, so as to improve the heat exchange efficiency of refrigerant in the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25, change each several part of heat exchanger
Heat is more uniform, to improve the overall heat exchange efficiency of heat exchanger.
It should be noted that when air conditioner is heated, flow direction of the refrigerant in heat exchanger, carried out with air conditioner
During refrigeration, flow direction of the refrigerant in heat exchanger on the contrary, its each several part of heat exchanger is exchanged heat more uniform, with
The overall heat exchange efficiency of heat exchanger is improved, here is omitted.
In the present embodiment, as shown in figure 1, preceding heat exchanger tube 22 before can making on heat-exchanging component 20 is from the preceding heat-exchanging component 20
Leeward side to windward side be divided into inside and outside two rows, wherein, before outer row heat exchanger tube 22 from top to the bottom of preceding heat-exchanging component 20 according to
Secondary connection, heat exchanger tube 22 is also sequentially communicated from top to the bottom of preceding heat-exchanging component 20 before interior row, also, is exchanged heat before inside and outside two row
Heat exchanger tube 22 communicates with each other before the two of the lower end of preceding heat-exchanging component 20 in pipe 22.
It is then possible to the heat exchanger tube 22 before the outer row on the preceding top of heat-exchanging component 20 is set to form the first set of heat exchange tubes 23, position
Heat exchanger tube 22 forms the 3rd set of heat exchange tubes 25 before the interior row on the preceding top of heat-exchanging component 20, in the preceding bottom of heat-exchanging component 20
Heat exchanger tube 22 forms the second set of heat exchange tubes 24 before outer two row, so that the first set of heat exchange tubes 23, the second set of heat exchange tubes 24 and the 3rd
The refrigerant flow pipe distribution that multiple preceding heat exchanger tubes 22 in set of heat exchange tubes 25 are formed is more reasonable, heat-exchanging component 20 before making
Heat exchange efficiency is higher.
In addition, rear heat-exchanging component 30 has the upper end being connected with preceding heat-exchanging component 20 and the lower end away from its top, this reality
Apply in example, as shown in figure 1, rear heat exchanger tube 32 on rear heat-exchanging component 30 can be made from the leeward side of the rear heat-exchanging component 30 to meeting
Wind side is divided into inside and outside two rows, wherein, heat exchanger tube 32 is sequentially communicated from upper end to the lower end of rear heat-exchanging component 30 after outer row, after interior row
Heat exchanger tube 32 is also sequentially communicated from upper end to the lower end of rear heat-exchanging component 30, and is exchanged heat after being located at after inside and outside two row in heat exchanger tube 32
Heat exchanger tube 32 communicates with each other after the two of the lower end of component 30, to form the 4th set of heat exchange tubes 33.Thereby, it is possible to make the 4th set of heat exchange tubes
The refrigerant flow pipe distribution that multiple rear heat exchanger tubes 32 in 33 are formed is more reasonable, makes the heat exchange efficiency of rear heat-exchanging component 30
It is higher.
Wherein it is possible to the rear heat exchanger tube 32 and first after outer row in heat exchanger tube 32 positioned at the rear upper end of heat-exchanging component 30 is set to exchange heat
The refrigerant exit connection of pipe group 23, make the rear heat exchanger tube 32 and the 3rd for being located at the rear upper end of heat-exchanging component 30 after outer row in heat exchanger tube 32
The refrigerant import connection that 25 groups of heat exchanger tube, the 4th set of heat exchange tubes 33 is exchanged heat with the first set of heat exchange tubes 23 and the 3rd respectively with reducing
Extension group 25 connects required connection length of tube, reduces the manufacturing cost of heat exchanger.
It should be noted that multiple preceding heat exchanger tubes 22 before can individually making in heat exchange tube assemblies 20 are carried out according to upper type
Arrangement, multiple rear heat exchanger tubes 32 in rear heat exchange tube assemblies 30 can also be individually made to be arranged according to upper type, or, may be used also
So that heat exchanger tubes 32 are pressed simultaneously after multiple on multiple preceding heat exchanger tubes 22 and rear heat exchange tube assemblies 30 in preceding heat exchange tube assemblies 20
Arranged according to upper type.Certainly, on the multiple preceding heat exchanger tubes 22 and rear heat exchange tube assemblies 30 in current heat exchange tube assemblies 20
Heat exchanger tube 32 is arranged according to upper type simultaneously after multiple, and the overall heat exchange efficiency of heat exchanger is higher.
In the present embodiment, as shown in figure 1, the 3rd set of heat exchange tubes 25 can be made to have two refrigerant imports and a refrigerant total
Outlet 27, one of refrigerant import of the 3rd set of heat exchange tubes 25 connects with the refrigerant exit of the second set of heat exchange tubes 24, and the 3rd changes
The other in which refrigerant import of heat pipe heat 25 connects with the refrigerant exit of the 4th set of heat exchange tubes 33, so as to reduce by the 3rd heat exchanger tube
Group 25 is connected required connecting tube total length with the second set of heat exchange tubes 24 and the 4th set of heat exchange tubes 33 respectively.
Wherein it is possible to make refrigerant general export 27 before in the 3rd set of heat exchange tubes 25 of composition adjacent two heat exchanger tube 22 it
Between, so that gaseous refrigerant is flashed to from the second set of heat exchange tubes 24 and the 4th set of heat exchange tubes 33 can be flowed into the 3rd heat exchange
In pipe group 25, and heat exchange is carried out on the top of preceding heat-exchanging component 20 and air.
It is of course also possible to make the 3rd set of heat exchange tubes 25 that there is a refrigerant import and a refrigerant general export 27, then second
The same refrigerant of the refrigerant exit of set of heat exchange tubes 24 and the refrigerant exit of the 4th set of heat exchange tubes 33 with the 3rd set of heat exchange tubes 25
Inlet communication.
When multiple preceding heat exchanger tubes 22, Yi Ji in the first set of heat exchange tubes 23, the second set of heat exchange tubes 24, the 3rd set of heat exchange tubes 25
Multiple rear heat exchanger tubes 32 in four set of heat exchange tubes 33 are distributed using aforesaid way simultaneously when, as shown in figure 1, often being exchanged heat before row
The length that heat exchanger tube 22 connects center line before adjacent two in pipe 22 be L1, often after row adjacent two in heat exchanger tube 32 after heat exchanger tube 32 connect
The length of center line is L2, and heat exchanger tube 22 connects center line before the two of the preceding lower end of heat exchange tube assemblies 20 in heat exchanger tube 22 before two rows
Length is L3, and the length that heat exchanger tube 32 connects center line after the two of the rear lower end of heat exchange tube assemblies 30 in heat exchanger tube 32 after two rows is
L4.In the present embodiment, L1=L2=L3=L4 can be made, and make 14mm≤L1≤17mm, so that more on preceding heat-exchanging component 20
Multiple rear heat exchanger tubes 32 on individual preceding heat exchanger tube 22, and rear heat-exchanging component 30 are distributed more uniformly, to improve the whole of heat exchanger
Body heat exchange efficiency.
Certainly, multiple preceding heat exchanger tubes 22 in the first set of heat exchange tubes 23, the second set of heat exchange tubes 24 and the 3rd set of heat exchange tubes 25,
And the 4th heat exchanger tubes 32 after multiple in set of heat exchange tubes 33 can also according to other distributions, specifically can according to can before heat-exchanging component
20 and rear heat-exchanging component 30 structure depending on.Such as：Multiple preceding heat exchanger tubes 22, Huo Zhe in the first set of heat exchange tubes 23 can be made
Leeward side to the windward side of multiple preceding heat exchanger tube 22 from preceding heat-exchanging components 20 in three set of heat exchange tubes 25 is divided into inside and outside two rows, and makes
Heat exchanger tube 22 is interconnected before inside and outside two row.
On the basis of above-mentioned any one embodiment, as shown in figure 1, the preceding heat exchanger tube 22 of the first set of heat exchange tubes 23 of composition
Caliber is D1, and the caliber for forming the preceding heat exchanger tube 22 of the second set of heat exchange tubes 24 is D2, forms the preceding heat exchange of the 3rd set of heat exchange tubes 25
The caliber of pipe 22 is D3, and the caliber for forming the rear heat exchanger tube 32 of the 4th set of heat exchange tubes 33 is D4.In the present embodiment, D1 can be increased
And D3, D1 and D3 is all higher than D2 and D4, so as to the system that exchanged heat to the refrigerant in the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25
Number is strengthened, to improve the heat exchange efficiency of the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25.
Wherein, the degree of D1 and D3 increases can be according to the quantity of preceding heat exchanger tube 22, each set of heat exchange tubes on preceding heat-exchanging component 20
Depending on situations such as wind speed that place flows through.Such as：D1 can be made to increase to D1 and D2 to meet：1.1≤D1/D2≤1.3, and D1 and
D4 meets：1.1≤D1/D4≤1.3；And D3 is increased to D2 and D3 and meet：1.1≤D3/D2≤1.3, and D3 and D4 meets：
1.1≤D3/D4≤1.3, so that the reinforcing of the first set of heat exchange tubes 23 and the refrigerant coefficient of heat transfer in the 3rd set of heat exchange tubes 25 is more
Adduction is managed, and is avoided the reinforcing of the first set of heat exchange tubes 23 and the refrigerant coefficient of heat transfer in the 3rd set of heat exchange tubes 25 too high or is just led
Cause heat exchanger to exchange heat everywhere uneven, cause the reduction of heat exchanger overall heat exchange efficiency.
It should be noted that D1=D3 can be made, and D2=D4, D1 and D3 can also be made different, or, make D2 and D4 not
Together.Certainly, work as D1=D3, and during D2=D4, the structure of preceding heat-exchanging component 20 and rear heat-exchanging component 30 can be simplified, improve heat exchange
The overall of device manufactures efficiency.
It should be noted that heat exchanger tube 22 before the caliber and adjacent two of multiple preceding heat exchanger tubes 22 on current heat-exchanging component 20
The length of center line is connected, and, heat exchanger tube 32 connects after the caliber and adjacent two of multiple rear heat exchanger tubes 32 on rear heat-exchanging component 30
When connecing the length of center line while meeting above-mentioned requirements, the lifting of heat exchanger overall heat exchange efficiency is more preferable.Such as：Work as L1=L2=L3
During=L4=17mm, D1=D3, D2=D4, and D1/D2=1.1, heat exchanger has more preferable overall heat exchange efficiency.
In the present embodiment, the preceding heat exchanger tube 22 in the first set of heat exchange tubes 23, the second set of heat exchange tubes 24, the 3rd set of heat exchange tubes 25
Quantity can be depending on the structure of preceding heat-exchanging component 20, the quantity of the rear heat exchanger tube 32 in the 4th set of heat exchange tubes 33 can be after
Depending on the structure of heat-exchanging component 30.Such as shown in Fig. 1, the quantity that can make the preceding heat exchanger tube 22 of the first set of heat exchange tubes of composition 23 is
6, the quantity for forming the preceding heat exchanger tube 22 of the second set of heat exchange tubes 24 is 12, forms the preceding heat exchanger tube 22 of the 3rd set of heat exchange tubes 25
Quantity be 4, composition the 4th set of heat exchange tubes 33 often arrange after heat exchanger tube 32 quantity be 6.
Or as shown in Fig. 2 can also make the preceding heat exchanger tube 22 of the first set of heat exchange tubes of composition 23 quantity be 6, composition
The quantity of the preceding heat exchanger tube 22 of second set of heat exchange tubes 24 is 10, and the quantity for forming the preceding heat exchanger tube 22 of the 3rd set of heat exchange tubes 25 is
6, composition the 4th set of heat exchange tubes 33 often arrange after heat exchanger tube 32 quantity be 6.Wherein it is possible to increase heat exchanger tube 32 after interior row
In positioned at the rear upper end of heat-exchanging component 30 two after heat exchanger tube 32 caliber D5, D5 is more than D4, to strengthen the 4th set of heat exchange tubes 33
The coefficient of heat transfer of refrigerant in afterbody, improve heat exchange efficiency.Wherein, D5 can be equal with D3, can also be unequal with D3, certainly,
As D3=D5, the overall structure of heat exchanger is simpler, and processing is more convenient.
On the basis of above-mentioned any one embodiment, as shown in Figures 1 and 2, preceding heat-exchanging component 20 can also be included side by side
The multiple preceding fins 21 set, multiple preceding heat exchanger tubes 22 are arranged on multiple preceding fins 21, so that heat exchange group before further improving
The heat exchange efficiency of part 20.Heat-exchanging component 30 can also include the multiple rear fins 31 being arranged side by side afterwards, and multiple rear heat exchanger tubes 32 are worn
After multiple on fins 31, so as to the heat exchange efficiency of heat-exchanging component 30 after further improving.
Wherein, preceding fin 21 and rear fin 31 can be with curved, strip settings etc., specifically can be according to the structure of heat exchanger
Depending on.Certainly, current 21 curved setting of fin, and during rear 31 elongated setting of fin, the cooperation of heat exchanger and wind wheel 10
It is compacter, the volume of air conditioner room unit can be reduced.
In addition, it is necessary to illustrate, the preceding heat exchanger tube 22 or rear heat exchanger tube 32 on heat exchanger can be straight tube structure, also may be used
Think U tubular constructions, the present embodiment is not restricted.Wherein, when the preceding heat exchanger tube 22 on heat exchanger or after heat exchanger tube 32 be U tubular constructions
When, every U pipe is with two preceding heat exchanger tubes 22 or rear heat exchanger tube 32.
The present invention also proposes a kind of indoor set and a kind of air conditioner with outdoor unit and the indoor set, wherein, indoor set
All schemes of all embodiments including above-mentioned heat exchanger, here is omitted.It is understood that because the present invention proposes
Air conditioner and air conditioner room unit including above-mentioned heat exchanger all embodiments all schemes, therefore, at least have and institute
Heat exchanger identical technique effect is stated, is not illustrated one by one herein.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (12)
1. a kind of heat exchanger, including the preceding heat-exchanging component set in inverted " v " shape and rear heat-exchanging component, it is characterised in that
The preceding heat-exchanging component has the top being connected with the rear heat-exchanging component and the bottom away from the top, is exchanged heat before described
Component includes being changed into the first set of heat exchange tubes, the second set of heat exchange tubes and the 3rd of refrigerant flow pipe by multiple preceding set of heat exchange tubes respectively
Heat pipe heat, first set of heat exchange tubes, second set of heat exchange tubes and the 3rd set of heat exchange tubes are sequentially communicated；Described first changes
Heat pipe heat and the 3rd set of heat exchange tubes are located at the top of the preceding heat-exchanging component, and first set of heat exchange tubes is located at the described 3rd
The windward side of set of heat exchange tubes, second set of heat exchange tubes are located at the bottom of the preceding heat-exchanging component；
Heat-exchanging component is included by multiple rear set of heat exchange tubes into the 4th set of heat exchange tubes of refrigerant flow pipe after described, and the described 4th changes
The refrigerant inlet of heat pipe heat connects with the refrigerant exit of first set of heat exchange tubes, the refrigerant exit of the 4th set of heat exchange tubes with
The 3rd set of heat exchange tubes connection；
The refrigerant general import of the heat exchanger on the preceding heat exchanger tube for forming first set of heat exchange tubes, the heat exchanger it is cold
Matchmaker's general export is on the preceding heat exchanger tube for forming the 3rd set of heat exchange tubes.
2. heat exchanger as claimed in claim 1, it is characterised in that preceding heat exchanger tube on the preceding heat-exchanging component is from the preceding heat exchange
The leeward side of component to windward side is divided into inside and outside two rows, and arranges the preceding heat exchanger tube outside from the top of the preceding heat-exchanging component under
Portion is sequentially communicated, and preceding heat exchanger tube described in interior row is sequentially communicated from top to the bottom of the preceding heat-exchanging component；
The bottom of the preceding heat-exchanging component has the lower end away from its top, in preceding heat exchanger tube described in inside and outside two row before described
The two preceding heat exchanger tubes of the lower end of heat-exchanging component communicate with each other；
Set of heat exchange tubes is into first set of heat exchange tubes before the outer row on the preceding heat-exchanging component top, positioned at the preceding heat exchange group
Set of heat exchange tubes is into the 3rd set of heat exchange tubes before the interior row on part top, positioned at described in two rows inside and outside the preceding heat-exchanging component bottom
Preceding set of heat exchange tubes is into second set of heat exchange tubes.
3. heat exchanger as claimed in claim 2, it is characterised in that heat-exchanging component has after described connects with the preceding heat-exchanging component
The upper end that connects and the lower end away from the upper end, it is described after rear heat exchanger tube on heat-exchanging component from the leeward side of the rear heat-exchanging component extremely
Windward side is divided into inside and outside two rows, and rear heat exchanger tube is sequentially communicated from upper end to the lower end of the rear heat-exchanging component described in outer row, interior row
Heat exchanger tube is sequentially communicated from upper end to the lower end of the rear heat-exchanging component after described, and is located in rear heat exchanger tube described in inside and outside two row
The two of the heat-exchanging component lower end rear heat exchanger tubes communicate with each other after described, to form the 4th set of heat exchange tubes；
After described in outer row in heat exchanger tube after described the rear heat exchanger tube of heat-exchanging component upper end and first set of heat exchange tubes it is cold
Matchmaker's outlet；Rear heat exchanger tube in heat exchanger tube positioned at the rear heat-exchanging component upper end and the 3rd heat exchanger tube after described in interior row
The refrigerant import connection of group.
4. heat exchanger as claimed in claim 3, it is characterised in that the 3rd set of heat exchange tubes has two refrigerant imports and one
The individual refrigerant general export, the refrigerant of the one of refrigerant import and second set of heat exchange tubes of the 3rd set of heat exchange tubes go out
Mouth connection, the other in which refrigerant import of the 3rd set of heat exchange tubes connect with the refrigerant exit of the 4th set of heat exchange tubes,
Between the refrigerant general export two preceding heat exchanger tubes adjacent in composition the 3rd set of heat exchange tubes.
5. heat exchanger as claimed in claim 3, it is characterised in that often arrange the adjacent two preceding heat exchanger tube in the preceding heat exchanger tube
The length for connecting center line be L1, often arrange it is described after in heat exchanger tube adjacent two it is described after the length of heat exchanger tubes connection center lines be L2, two
The length arranged in the preceding heat exchanger tube positioned at the two preceding heat exchanger tubes connection center lines of the preceding heat-exchanging component lower end is L3, two rows
The length of the two rear heat exchanger tubes connection center lines after described in heat exchanger tube positioned at the rear heat-exchanging component lower end is L4, wherein,
L1=L2=L3=L4, and 14mm≤L1≤17mm.
6. the heat exchanger as described in claim 1 to 5 any one, it is characterised in that before composition first set of heat exchange tubes
The caliber of heat exchanger tube is D1, and the caliber for forming the preceding heat exchanger tube of second set of heat exchange tubes is D2, forms the 3rd heat exchanger tube
The caliber of the preceding heat exchanger tube of group is D3, and the caliber for forming the rear heat exchanger tube of the 4th set of heat exchange tubes is D4, wherein, D1 and D3 are equal
More than D2 and D4.
7. heat exchanger as claimed in claim 6, it is characterised in that
The D1 and D2 meet：1.1≤D1/D2≤1.3；
The D1 and D4 meet：1.1≤D1/D4≤1.3；
The D2 and D3 meet：1.1≤D3/D2≤1.3；
The D3 and D4 meet：1.1≤D3/D4≤1.3.
8. heat exchanger as claimed in claim 7, it is characterised in that the D1=D3, the D2=D4.
9. heat exchanger as claimed in claim 6, it is characterised in that the quantity of the preceding heat exchanger tube of composition first set of heat exchange tubes
For 6, the quantity for forming the preceding heat exchanger tube of second set of heat exchange tubes is 12, forms the preceding heat exchange of the 3rd set of heat exchange tubes
The quantity of pipe is 4, and the quantity of heat exchanger tube is 6 after inside and outside two row of composition the 4th set of heat exchange tubes.
10. heat exchanger as claimed in claim 6, it is characterised in that the number of the preceding heat exchanger tube of composition first set of heat exchange tubes
Measure as 6, the quantity for forming the preceding heat exchanger tube of second set of heat exchange tubes is 10, is changed before forming the 3rd set of heat exchange tubes
The quantity of heat pipe is 6, and the quantity of heat exchanger tube is 6 after the inside and outside row of composition the 4th set of heat exchange tubes；
The caliber of the two rear heat exchanger tubes after described in interior row in heat exchanger tube positioned at the rear heat-exchanging component upper end is D5, also,
The D5=D3.
11. a kind of indoor set, it is characterised in that the indoor set includes the heat exchange as described in claim 1 to 10 any one
Device.
12. a kind of air conditioner, it is characterised in that the air conditioner includes outdoor unit and indoor set as claimed in claim 11.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711177936.1A CN107830658B (en) | 2017-11-22 | 2017-11-22 | Heat exchanger, indoor unit and air conditioner |
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| CN201711177936.1A CN107830658B (en) | 2017-11-22 | 2017-11-22 | Heat exchanger, indoor unit and air conditioner |
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| CN107830658B CN107830658B (en) | 2024-05-28 |
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| CN109269071A (en) * | 2018-09-03 | 2019-01-25 | 广东美的制冷设备有限公司 | Heat exchanger assembly and air conditioner indoor unit |
| CN109282482A (en) * | 2018-09-03 | 2019-01-29 | 广东美的制冷设备有限公司 | Heat exchanger assembly and air conditioner indoor unit |
| WO2020047927A1 (en) * | 2018-09-03 | 2020-03-12 | 广东美的制冷设备有限公司 | Heat exchanger assembly and air conditioner indoor unit |
| WO2024093167A1 (en) * | 2022-10-31 | 2024-05-10 | 邯郸美的制冷设备有限公司 | Heat exchange device and indoor air-conditioning unit |
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|---|---|
| CN107830658B (en) | 2024-05-28 |
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