CN113865153A - Heat exchanger and heat pump air conditioning unit - Google Patents
Heat exchanger and heat pump air conditioning unit Download PDFInfo
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- CN113865153A CN113865153A CN202111107978.4A CN202111107978A CN113865153A CN 113865153 A CN113865153 A CN 113865153A CN 202111107978 A CN202111107978 A CN 202111107978A CN 113865153 A CN113865153 A CN 113865153A
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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
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
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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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of 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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
- F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit
Abstract
The invention relates to the technical field of air conditioning devices, in particular to a heat exchanger and a heat pump air conditioning unit. The heat pump air conditioning unit comprises a heat exchanger, the heat exchanger comprises a heat exchange main body and a flow guide component, a cavity capable of allowing a heat exchange medium to flow is formed in the heat exchange main body, the heat exchange main body is further provided with an inlet and an outlet communicated with the cavity, the flow guide component is located in the cavity and separates the cavity into a first cavity and a second cavity, the first cavity is communicated with the inlet, the second cavity is communicated with the outlet, the flow guide component is used for guiding the heat exchange medium in the cavity, and a plurality of flow guide holes communicated with the first cavity and the second cavity are formed in the flow guide component at intervals. Above-mentioned heat exchanger, not only effective heat transfer area increase, energy utilization is higher, has effectively strengthened the heat transfer effect, and heat transfer capacity increases more than 15% under the equal heat transfer area condition, does not have the phenomenon that the fin warp or fall the piece in addition, and is whole firmer, stronger to the adaptability of environment, and the maintenance is maintained the management and is also more convenient.
Description
Technical Field
The invention relates to the technical field of air conditioning devices, in particular to a heat exchanger and a heat pump air conditioning unit.
Background
The heat pump technology is a clean and environment-friendly technology for utilizing renewable resources by using solar energy resources stored in surface soil and water as cold and heat sources, and the heat pump air conditioning unit realizes refrigeration and heating by using the heat pump technology and is novel high-efficiency air conditioning equipment.
Generally, heat pump air conditioning unit is including the heat exchanger that is used for carrying on heat exchange, and at present, heat exchanger for heat pump air conditioning unit mainly adopts copper pipe aluminium fin form, however, has some more obvious problems to the heat exchanger of copper pipe aluminium fin form, and the heat transfer effect of such a heat exchanger is not ideal enough, and the aluminium fin of heat exchanger receives the phenomenon that the touching takes place deformation or fall the piece very easily moreover, and then influences the heat transfer effect of heat exchanger.
Disclosure of Invention
The main purposes of the invention are: the utility model provides a heat exchanger and heat pump air conditioning unit, aims at solving the relatively poor and fin of heat exchanger of current heat pump air conditioning unit heat transfer effect and the easy deformation of heat exchanger or fall the piece and influence the problem of heat transfer effect.
In order to achieve the technical problem, the invention provides a heat exchanger which comprises a heat exchange main body and a flow guide component, wherein a cavity for heat exchange media to flow is formed in the heat exchange main body, the heat exchange main body is also provided with an inlet and an outlet which are communicated with the cavity, the flow guide component is positioned in the cavity and divides the cavity into a first cavity and a second cavity, the first cavity is communicated with the inlet, the second cavity is communicated with the outlet, the flow guide component is used for guiding the heat exchange media in the cavity, and a plurality of flow guide holes which are communicated with the first cavity and the second cavity are arranged on the flow guide component at intervals.
Optionally, the inlet is disposed opposite to the flow guide component, and the outlet and the inlet are disposed on two opposite sides of the heat exchange main body.
Optionally, the flow guide component includes a first flow guide section and a second flow guide section connected to each other, and the second flow guide section and the first flow guide section are symmetrically arranged in a V shape with respect to the axis of the inlet.
Optionally, the flow guide part extends from the inner wall of one end of the heat exchange main body to the inner wall of the other end of the heat exchange main body in the cavity.
Optionally, the heat exchange main body is provided with two outlets, and the two outlets are respectively and correspondingly communicated with the diversion holes in the first diversion section and the second diversion section.
Optionally, the heat exchange body is rectangular;
the flow guide part is plate-shaped.
Optionally, the width of the heat exchange body in the direction perpendicular to the axis of the inlet is greater than or equal to the caliber of the inlet.
Optionally, the heat exchange body has internal threads formed on an inner wall thereof.
Optionally, the heat exchanger further comprises an inlet pipe, an outlet pipe branch pipe and an outlet pipe header pipe, the inlet pipe is communicated with the inlet, one end of the outlet pipe branch pipe is communicated with the outlet, and the other end of the outlet pipe branch pipes is communicated with the outlet pipe header pipe.
In addition, the invention also provides a heat pump air conditioning unit, which comprises the heat exchanger.
Optionally, the heat exchanger is provided in plurality, and the plurality of heat exchangers are connected in series.
Optionally, a plurality of the heat exchangers are arranged in a ring shape; or
The heat exchangers are arranged in a linear manner.
The invention has the beneficial effects that: the heat exchanger comprises a heat exchange main body, a guide component, a first cavity, a second cavity, a guide hole and a heat exchange medium, wherein the heat exchange main body is internally hollow to form a cavity for the heat exchange medium to flow, the guide component divides the cavity into the first cavity and the second cavity, an inlet formed in the heat exchange main body is communicated with the first cavity, an outlet formed in the heat exchange main body is communicated with the second cavity, and the guide hole formed in the guide component is communicated with the first cavity and the second cavity. This heat exchanger provides a brand-new heat transfer form, realize the direct heat transfer with heat transfer medium promptly through the inside water conservancy diversion part of heat transfer main part and heat transfer main part, effective heat transfer area increases not only, energy utilization is higher, the heat transfer effect has effectively been strengthened, compare in current copper pipe aluminium fin heat exchanger, the heat transfer effect is showing and is improving, heat transfer capacity increases more than 15% under the equal heat transfer area condition, and because of not having the fin, there is not the phenomenon that the fin warp or fall the piece, it is whole firmer, adaptability to the environment is stronger, it is also more convenient to maintain the management.
In addition, the heat exchanger is structurally innovated, the industrial development is promoted, and a new way is opened up for the industrial development.
Drawings
The advantages of the above and/or additional aspects of the present invention will become apparent and readily appreciated from the following description of the embodiments taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of the heat exchanger of the present invention;
FIG. 2 is a schematic view of a portion of the heat exchanger of FIG. 1;
FIG. 3 is a schematic view of the internal structure of the heat exchanger of FIG. 2;
FIG. 4 is a schematic view of one connection of a plurality of the heat exchangers of FIG. 1;
FIG. 5 is a schematic view of another connection of a plurality of the heat exchangers of FIG. 1;
wherein the correspondence between the reference numbers and the names of the components in fig. 1 to 5 is:
100. a heat exchanger;
10. a heat exchange body; 11. a first cavity; 12. a second cavity; 13. an inlet; 14. an outlet;
20. a flow guide member; 21. a flow guide hole; 22. a first flow guide section; 23. a second flow guide section;
30. feeding a pipe;
40. pipe branch pipes are discharged;
50. and (7) discharging a pipe header.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the prior art, the heat exchanger for the heat pump air-conditioning unit mainly takes a copper pipe aluminum fin form as a main part, the heat exchanger with the structure is applied to the heat pump air-conditioning unit for many years, the heat exchanger has the advantages of mature technology and process, slow structure innovation, great obstruction to the development of the industry due to structure solidification, enhanced heat exchange effect of the heat exchanger, and easy deformation or inversion of the aluminum fin under touch to further influence the heat exchange effect.
Therefore, an embodiment of the present invention provides a novel heat exchanger 100, and the heat exchanger 100 may be used for heat exchange of a heat pump air conditioning unit, and may also be used in other places requiring heat exchange, such as a central heating user side. As shown in fig. 1 to 3, the heat exchanger 100 includes a heat exchange main body 10 and a flow guide member 20, the heat exchange main body 10 is used as a main body part of the heat exchanger 100 for heat exchange, a heat exchange medium can flow through the inside of the heat exchange main body 10 to meet a heat exchange requirement, wherein the heat exchange medium can be water or a refrigerant, and the flow guide member 20 is used for guiding the heat exchange medium entering the inside of the heat exchange main body 10 inside the heat exchange main body 10, so that the heat exchange main body 10 can fully participate in heat exchange.
In a specific embodiment, a cavity for flowing a heat exchange medium is formed in the heat exchange main body 10, and the heat exchange main body 10 is further provided with an inlet 13 and an outlet 14 communicated with the cavity, so that the heat exchange medium can enter from the inlet 13, and after sufficient heat exchange in the cavity, the heat exchange medium finally flows out from the outlet 14, thereby completing a heat exchange process of the heat exchanger 100. The flow guide component 20 is positioned in the cavity and divides the cavity into a first cavity 11 and a second cavity 12, the first cavity 11 is communicated with the inlet 13, the second cavity 12 is communicated with the outlet 14, the flow guide component 20 is used for guiding the heat exchange medium in the cavity, a plurality of flow guide holes 21 communicated with the first cavity 11 and the second cavity 12 are formed in the flow guide component 20 at intervals, the heat exchange medium entering from the inlet 13 and sprayed onto the flow guide component 20 through the first cavity 11 can be guided through the flow guide component 20, heat exchange is more sufficient, and then the heat exchange medium passes through the flow guide holes 21 and flows out from the outlet 14 through the second cavity 12.
In the heat exchanger 100, the heat exchange main body 10 is hollow to form a cavity for a heat exchange medium to flow, the flow guide member 20 divides the cavity into the first cavity 11 and the second cavity 12, the inlet 13 formed in the heat exchange main body 10 is communicated with the first cavity 11, the outlet 14 formed in the heat exchange main body 10 is communicated with the second cavity 12, and the flow guide hole 21 formed in the flow guide member 20 is communicated with the first cavity 11 and the second cavity 12, so that, when the heat exchanger 100 is used for heat exchange, the heat exchange medium can enter the first cavity 11 from the inlet 13 and is sprayed onto the flow guide member 20, the heat exchange medium is uniformly distributed after being guided by the flow guide member 20, then passes through the flow guide hole 21 to enter the second cavity 12, and finally flows out from the outlet 14, thereby completing a heat exchange process of the heat exchanger 100. This heat exchanger 100 provides a brand-new heat transfer form, realize the direct heat transfer with heat transfer medium promptly through heat transfer main part 10 and the inside water conservancy diversion part 20 of heat transfer main part 10, not only effective heat transfer area increases, energy utilization is higher, the heat transfer effect has effectively been strengthened, compare in current copper pipe aluminium fin heat exchanger, the heat transfer effect is showing and is improving, heat transfer capacity increases more than 15% under the equal heat transfer area condition, and because of not having the fin, there is not the phenomenon that the fin warp or fall the piece, it is whole firmer, adaptability to the environment is stronger, it is also more convenient that the management is maintained in the maintenance, furthermore, this heat exchanger 100 has structurally carried out the innovation, promote the trade development, a new road has been opened up for the development of trade.
In this embodiment, the inlet 13 is disposed opposite to the flow guide member 20, and the outlet 14 and the inlet 13 are disposed at opposite sides of the heat exchange body 10. Because the inlet 13 and the outlet 14 of the heat exchanger 100 are oppositely arranged on two opposite side walls of the heat exchanger 100, and the inlet 13 is opposite to the flow guide part 20, when the heat exchanger 100 is used for heat exchange, a heat exchange medium can enter from the inlet 13 and directly spray onto the flow guide part 20, and the flow guide of the heat exchange medium is realized through the flow guide part 20, so that the heat exchange medium uniformly flows through the plurality of flow guide holes 21, the heat exchanger 100 can fully participate in heat exchange, and the whole structure is quite reasonable in arrangement.
Further, in the present embodiment, the flow guiding component 20 includes a first flow guiding section 22 and a second flow guiding section 23 connected to each other, and the second flow guiding section 23 and the first flow guiding section 22 are symmetrically arranged in a V shape with respect to the axis of the inlet 13. That is, for the heat exchanger 100, the flow guiding component 20 is a bent structure, a V-shaped opening of the bent structure faces to one side of the inlet 13, and the inlet 13 is over against the connection position of the first flow guiding section 22 and the second flow guiding section 23, that is, the inlet 13 is over against the bent position of the flow guiding component 20. Therefore, when the heat exchanger 100 is used for heat exchange, a heat exchange medium enters from the inlet 13, is directly injected to the connecting position of the first guide section 22 and the second guide section 23 in the cavity, namely, the bent position in the middle of the guide part 20, and is guided to the first guide section 22 and the second guide section 23 on the two sides to be partially scattered under the action of the guide part 20, then passes through the guide hole 21, and flows out from the outlet 14, so that a primary heat exchange process of the heat exchanger 100 is completed. This water conservancy diversion part 20's structure and position reasonable in design for the heat transfer medium that gets into the cavity by import 13 can spray earlier in the middle of the department of bending and then dispel to both sides, aims at realizing getting into the heat transfer medium evenly distributed in the cavity through water conservancy diversion part 20, and then realizes the heat transfer area increase, and the heat transfer effect is stronger.
In this embodiment, the flow guide member 20 extends from the inner wall of one end of the heat exchange body 10 to the inner wall of the other end of the heat exchange body 10 in the cavity. Specifically, in this embodiment, the heat exchange body 10 is rectangular parallelepiped, the flow guiding member 20 is V-shaped plate, the surface of the heat exchange body 10 on which the inlet 13 is formed is defined as the left surface of the heat exchange body 10, the inlet 13 is formed at the middle position of the left surface of the heat exchange body 10, the right surface of the heat exchange body 10 is formed with the outlet 14, one end of the V-shaped plate-shaped flow guiding member 20 is located at the edge where the left surface intersects with the bottom surface, the other end of the V-shaped plate-shaped flow guiding member 20 is located at the edge where the left surface intersects with the top surface, the middle bent part of the V-shaped plate-shaped flow guiding member 20 is located at the middle position of the right surface, the plate width of the V-shaped plate-shaped flow guiding member 20 is equal to the edge length of the edge where the left surface intersects with the bottom surface or the top surface, that is, the width of the V-shaped plate-shaped flow guiding member 20 is equal to the width of the heat exchange body 10, the flow guiding holes 21 are formed in a plurality of strips at intervals on the flow guiding member 20, the plurality of strip-shaped diversion holes 21 are used for the heat exchange medium to flow in a shunting way. So, to this heat exchanger 100, on the length direction of heat transfer main part 10, width direction and direction of height, the equal seamless connection of inner wall at each end of water conservancy diversion part 20 and heat transfer main part 10 to separate the cavity for a first cavity 11 and two second cavities 12, realize the make full use of to cavity inner space, the heat transfer effect is also more abundant, and overall structure sets up more rationally. This heat exchanger 100's cuboid valve body design and the water conservancy diversion design of inside novelty, make heat exchanger 100 whole all can participate in the heat transfer, and all be with the direct heat transfer of heat transfer medium, therefore, heat exchanger 100 effective heat transfer area increases, energy utilization is higher, the heat transfer effect is stronger, compare with the copper pipe aluminium fin heat exchanger that heat pump air conditioning unit was used commonly, this heat exchanger 100 effective heat transfer area obviously increases, heat transfer capacity increases more than 15% under the equal heat transfer area condition, in addition, because of heat exchanger 100's appearance is the cuboid form, for taking finned heat exchanger 100, it is whole firmer, adaptability to the environment is stronger, it is more convenient to maintain the maintenance management. In addition, because heat transfer main part 10 is the cuboid, and water conservancy diversion part 20 is the guide plate of V style of calligraphy, and a plurality of bar holes are seted up at the interval on the guide plate, and a plurality of bar holes are used for heat transfer medium reposition of redundant personnel to pass through as water conservancy diversion hole 21, and the abundant water conservancy diversion of heat transfer medium can be realized to the guide plate through the V style of calligraphy, and heat exchanger 100 overall structure is also fairly simple moreover, easily production and processing. Of course, in other embodiments, the specific shape of the heat exchange body 10 is not limited, and may be a column shape or the like.
Further, in this embodiment, the heat exchange body 10 is provided with two outlets 14, and the two outlets 14 are respectively and correspondingly communicated with the diversion holes 21 on the first diversion section 22 and the second diversion section 23. This V style of calligraphy structural design's water conservancy diversion part 20 separates the cavity for three chamber, through import 13 with outside intercommunication be first cavity 11, all the other two are second cavity 12, correspond two second cavities 12 and be provided with the export 14 that corresponds the intercommunication respectively, make two second cavities 12 respectively through two exports 14 that correspond and outside intercommunication, structural design like this does benefit to the water conservancy diversion to first water conservancy diversion section 22 and the heat transfer medium of second water conservancy diversion section 23 pass the water conservancy diversion hole 21 that sets up above, finally can flow smoothly by the export 14 that corresponds respectively, guarantee smooth heat transfer.
In the present embodiment, an internal thread is formed on the inner wall of the heat exchange body 10. Because the heat exchange main body 10 adopts an internal thread form, a spiral channel can be formed in the cavity, so that the heat exchange medium entering the cavity from the inlet 13 can flow in the spiral channel. So, because the heat transfer of heat exchanger 100 mainly concentrates on heat transfer main part 10 inside part, through the internal thread that forms on the heat transfer main part 10 inner wall, lengthened the route that heat transfer medium flows in the cavity, heat transfer effect of heat exchanger 100 is better, and wherein, the material of heat transfer main part 10 specifically can select metals such as copper, aluminium.
In this embodiment, the heat exchanger 100 further includes an inlet pipe 30, an outlet pipe branch 40, and an outlet manifold 50, wherein the inlet pipe 30 is communicated with the inlet 13, one end of the outlet pipe branch 40 is communicated with the outlet 14, and the other ends of the plurality of outlet pipe branches 40 are communicated with the outlet manifold 50. Advance pipe 30 through setting up, make heat transfer medium during the heat transfer advance pipe 30 by import 13 get into inside heat transfer main part 10, through setting up exit tube branch pipe 40, make heat transfer medium after the heat transfer flow out through exit tube branch pipe 40 by export 14, wherein, exit tube branch pipe 40 sets up two, two exit tube branch pipes 40 correspond the intercommunication with two exports 14 respectively, two exit tube branch pipes 40 are connected to exit tube house steward 50, make heat transfer medium after the heat transfer finally after through exit tube house steward 50 after, accomplish a heat transfer process of a heat exchanger 100 this moment promptly. In addition, in the present embodiment, the inlet pipe 30 and the outlet pipe branch 40 may be welded to the heat exchange body 10 by welding.
In this embodiment, the width of the heat exchange body 10 in the direction perpendicular to the axis of the inlet 13 is equal to or greater than the caliber of the inlet 13. That is to this heat exchanger 100, the width of heat transfer main part 10 should be greater than the diameter of advancing pipe 30, and the width of heat transfer main part 10 slightly is greater than advance the pipe diameter of pipe 30 can, because if the width of heat transfer main part 10 is less than the diameter of advancing pipe 30, then can lead to extravagant partial heat transfer medium, partial heat transfer medium does not participate in the heat transfer, and also difficult operation on the welding, so the width that designs heat transfer main part 10 is slightly bigger some than the diameter of advancing pipe 30, like this, the heat transfer medium that gets into in the cavity directly spouts the whole department of bending of water conservancy diversion part 20, guarantee that heat exchanger 100 is whole all participated in the heat transfer, reinforcing heat transfer effect. In addition, in this embodiment, the relationship between the width of the heat exchange body 10 and the diameter of the outlet pipe header 50 is not specifically required, if the heat exchanger 100 is a condenser, the diameter of the inlet pipe 30 is greater than the diameter of the outlet pipe header 50, and if the heat exchanger 100 is an evaporator, the diameter of the inlet pipe 30 is smaller than the diameter of the outlet pipe header 50.
When the heat exchanger 100 is used for a heat pump air conditioning unit, the heat exchanger 100 is provided with a plurality of heat exchangers 100, heat exchange media are sequentially exchanged through a plurality of heat exchanger 100 monomers, the whole heat exchange process is completed by utilizing the plurality of monomer heat exchangers 100, and the requirement for sufficient heat exchange of the heat pump air conditioning unit is met. In the present embodiment, as shown in fig. 4 or 5, a plurality of heat exchangers 100 are connected in series, the inlet pipe 30 of the heat exchanger 100 disposed at the head serves as a main inlet pipe, and the outlet pipe header 50 of the heat exchanger 100 disposed at the tail serves as a main outlet pipe. Therefore, the heat exchange medium entering through the main inlet pipe sequentially passes through the plurality of heat exchangers 100 connected in series to perform a plurality of heat exchange processes of the plurality of heat exchangers 100, and finally flows out through the main outlet pipe to complete the heat exchange process of the whole heat pump air conditioning unit, so that the heat exchange requirement of the heat pump air conditioning unit is met.
Further, in the present embodiment, as shown in fig. 4, the plurality of heat exchangers 100 are arranged in a ring shape, and specifically, the plurality of heat exchangers 100 may be arranged in a ring shape or in other ring-shaped arrangements. The connection mode of circular arrangement can be used for a ceiling type heat pump air conditioning unit, namely the connection mode can be matched with a centrifugal fan for use. Alternatively, in another embodiment, as shown in FIG. 5, a plurality of heat exchangers 100 are arranged in a linear fashion. The connection mode of linear arrangement can be matched with a centrifugal fan or an axial flow fan for use. The two combination modes of the heat exchangers 100 are designed according to specific use requirements of the heat pump air conditioning unit, the main consideration factors include fan characteristics, heat exchange capacity, heat pump air conditioning unit structure and the like, and the design of the heat exchangers 100 is required to meet the requirements of the whole heat pump air conditioning unit 100 due to different requirements of different heat pump air conditioning unit models on the heat exchangers 100, which is similar to the shape selection design of the common copper pipe aluminum fin heat exchanger 100. Of course, in other embodiments, one heat exchanger 100 is used as a single body, and a plurality of heat exchangers 100 may have various other connection combinations, which are used in different situations and can be flexibly combined according to specific needs.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (12)
1. A heat exchanger, comprising:
the heat exchanger comprises a heat exchange main body (10), wherein a cavity for a heat exchange medium to flow is formed in the heat exchange main body (10), and the heat exchange main body (10) is also provided with an inlet (13) and an outlet (14) which are communicated with the cavity; and
the flow guide component (20) is located in the cavity and divides the cavity into a first cavity (11) and a second cavity (12), the first cavity (11) is communicated with the inlet (13), the second cavity (12) is communicated with the outlet (14), the flow guide component (20) is used for guiding heat exchange media in the cavity, and a plurality of flow guide holes (21) communicated with the first cavity (11) and the second cavity (12) are formed in the flow guide component (20) in a spaced mode.
2. The heat exchanger according to claim 1, characterized in that the inlet (13) is arranged opposite to the flow guide member (20), and the outlet (14) and the inlet (13) are arranged on opposite sides of the heat exchange body (10).
3. The heat exchanger according to claim 2, characterized in that the flow guiding member (20) comprises a first flow guiding section (22) and a second flow guiding section (23) connected to each other, and the second flow guiding section (23) and the first flow guiding section (22) are arranged symmetrically in a V-shape with respect to the axis of the inlet (13).
4. A heat exchanger according to claim 3 wherein the flow guide member (20) extends within the cavity from an inner wall at one end of the heat exchange body (10) to an inner wall at the other end of the heat exchange body (10).
5. The heat exchanger according to claim 4, characterized in that the heat exchange body (10) is provided with two outlets (14), and the two outlets (14) are respectively communicated with the diversion holes (21) on the first diversion section (22) and the second diversion section (23).
6. The heat exchanger according to claim 1, characterized in that the heat exchange body (10) is cuboid-shaped;
the flow guide member (20) is plate-shaped.
7. The heat exchanger according to claim 1, characterized in that the width of the heat exchange body (10) in the direction perpendicular to the axis of the inlet (13) is greater than or equal to the caliber of the inlet (13).
8. The heat exchanger according to claim 1, characterized in that the inner wall of the heat exchange body (10) is formed with an internal thread.
9. The heat exchanger according to claim 1, wherein the heat exchanger (100) further comprises an inlet pipe (30), an outlet pipe branch (40) and an outlet pipe header (50), the inlet pipe (30) is communicated with the inlet (13), one end of the outlet pipe branch (40) is communicated with the outlet (14), and the other ends of the outlet pipe branches (40) are communicated with the outlet pipe header (50).
10. A heat pump air conditioning unit, characterized in that it comprises a heat exchanger (100) according to any one of claims 1 to 9.
11. The heat pump air conditioning unit according to claim 10, wherein the heat exchanger (100) is provided in plurality, and the plurality of heat exchangers (100) are connected in series.
12. Heat pump air conditioning unit according to claim 11, characterized in that a plurality of said heat exchangers (100) are arranged in a ring; or
The heat exchangers (100) are arranged in a linear manner.
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| CN202111107978.4A CN113865153A (en) | 2021-09-22 | 2021-09-22 | Heat exchanger and heat pump air conditioning unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111107978.4A CN113865153A (en) | 2021-09-22 | 2021-09-22 | Heat exchanger and heat pump air conditioning unit |
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