CN207395242U - Chiasma type finned heat exchanger and dual system heat pump unit - Google Patents
Chiasma type finned heat exchanger and dual system heat pump unit Download PDFInfo
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- CN207395242U CN207395242U CN201721213579.5U CN201721213579U CN207395242U CN 207395242 U CN207395242 U CN 207395242U CN 201721213579 U CN201721213579 U CN 201721213579U CN 207395242 U CN207395242 U CN 207395242U
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Abstract
The utility model is related to a kind of chiasma type finned heat exchangers, with inlet side and air side, chiasma type finned heat exchanger includes the two groups of evaporator assemblies set along inlet side to outlet air side direction, every group of evaporator assemblies include the first heat exchanging pipe and the second heat exchanging pipe, and the first heat exchanging pipe and the second heat exchanging pipe of two groups of evaporator assemblies intersect setting in inlet side to outlet air side direction.First heat exchanging pipe is communicated in the first system heat pump unit as evaporator, second heat exchanging pipe is communicated in second system heat pump unit as evaporator, when only there are one during heat pump unit operation, since the first heat exchanging pipe and the second heat exchanging pipe intersect setting in inlet side to outlet air side direction, although only the first heat exchanging pipe or the work of the second heat exchanging pipe, but all fins all play the role of heat exchange, and the air-flow to circulate in entire chiasma type finned heat exchanger all plays the role of accelerating heat exchange.Therefore, fin utilization rate is added, improves the ability of heat pump unit.
Description
Technical field
The utility model is related to technical field of heat exchange equipment, more particularly to a kind of chiasma type finned heat exchanger and dual system
Heat pump unit.
Background technology
Since finned heat exchanger has the advantages of heat dissipation area is big, and radiating efficiency is high, it is widely used in as evaporator
In dual system heat pump unit.
But traditional dual system heat pump unit with finned heat exchanger has only run the wing when single system is run
A part for piece heat exchanger, so as to which the finned heat exchanger for causing the part do not run is wasted, so as to reduce fin profit
With rate, the ability of heat pump unit is reduced.
Utility model content
Based on this, it is necessary to which for when single system is run, some is wasted traditional finned heat exchanger, and fin utilizes
Rate is not high, the problem of reducing heat pump unit ability, provides a kind of raising fin utilization rate, promotes the intersection of heat pump unit ability
Type finned heat exchanger and dual system heat pump unit.
Chiasma type finned heat exchanger, have inlet side and air side, the chiasma type finned heat exchanger include along it is described into
Two groups of evaporator assemblies that wind side to the outlet air side direction is set, every group of the evaporator assemblies include the first heat exchanging pipe
And second heat exchanging pipe, first heat exchanging pipe and second heat exchanging pipe of two groups of evaporator assemblies are in the inlet side
It intersects setting to the outlet air side direction.
Above-mentioned chiasma type finned heat exchanger, first heat exchanging pipe are communicated in the first system heat pump machine as evaporator
Group, second heat exchanging pipe are communicated in second system heat pump unit as evaporator, when only being run there are one heat pump unit,
Since first heat exchanging pipe and second heat exchanging pipe intersect setting in inlet side to outlet air side direction, described
One heat exchanging pipe or second heat exchanging pipe work, all fins all play the role of heat exchange, the entire chiasma type wing
The air-flow of circulation all plays the role of accelerating heat exchange in piece heat exchanger, realizes air quantity and shares.Therefore, fin profit is added
With rate, the ability of heat pump unit is improved.
In one embodiment, first heat exchanging pipe and second heat exchanging pipe perpendicular to the inlet side extremely
Intersect on the cross section of the outlet air side direction in X-shaped and lay.
In one embodiment, the chiasma type finned heat exchanger includes more heat exchanger tubes, and the more heat exchanger tubes are in extremely
The air side is directed toward in few two rows of arrangements, airflow direction by the inlet side, and perpendicular to the institute at least two rows of arrangements
State the row face of heat exchanger tube；
Wherein, the more heat exchanger tubes are by the first plane perpendicular to the airflow direction and parallel to the air-flow
Second plane of circulating direction is divided into four parts, is followed successively by first portion, second portion, Part III and Part IV, described
The heat exchanger tube of first portion and the Part III forms the first heat exchanging pipe, the second portion and the Part IV
The heat exchanger tube formed the second heat exchanging pipe.
In one embodiment, the chiasma type finned heat exchanger includes the n rows heat exchanger tube, often arranges the heat exchanger tube bag
M roots are included, and n and m are all higher than or equal to 2；
When n and m is even number, the of heat exchanger tube described in 1~m/2 roots of 1~n/2 rows and (n/2+1)~n rows
(m/2+1)~heat exchanger tube described in m roots forms first heat exchanging pipe；The heat exchanger tube of rest part forms described second and changes
Pipe line；
When n and m is odd number, the 1st~(m ± 1)/2 piece heat exchanger tube of the 1st~(n ± 1)/2 row and the [(n ± 1)/
2+1]~n row [(m ± 1)/2+1]~heat exchanger tube described in m roots form first heat exchanging pipe；The described of rest part is changed
Heat pipe forms second heat exchanging pipe.
In one embodiment, first heat exchanging pipe includes multichannel, forms the described of first heat exchanging pipe and changes
Heat pipe is divided at least two parts, and the heat exchanger tube per part forms first heat exchanging pipe all the way；
Second heat exchanging pipe includes multichannel, and the heat exchanger tube for forming second heat exchanging pipe is divided at least two
Part, the heat exchanger tube per part form second heat exchanging pipe all the way.
In one embodiment, the chiasma type finned heat exchanger further includes bend pipe, and the bend pipe is sequentially communicated described change
The head and the tail both ends of heat pipe form S-shaped first heat exchanging pipe and second heat exchanging pipe.
Dual system heat pump unit, including the first system heat pump unit, second system heat pump unit and as above any described
Chiasma type finned heat exchanger, first heat exchanging pipe access the first system heat pump unit, and second heat exchanging pipe connects
Enter the second system heat pump unit.
Above-mentioned dual system heat pump unit, when single system is run, due to first heat exchanging pipe and second heat exchange
Pipeline intersects setting in inlet side to outlet air side direction, first heat exchanging pipe or second heat exchanging pipe work,
All fins all play the role of heat exchange, and the air-flow of circulation all plays acceleration heat in the entire chiasma type finned heat exchanger
The effect of exchange realizes air quantity and shares.Therefore, fin utilization rate is added, improves the ability of heat pump unit.
In one embodiment, one end per the first heat exchanging pipe described all the way is connected with the first separating tube, and the other end connects
The first gas collecting tube is connected to, the first system heat pump unit includes the first compressor and connected with first compressor first
Condenser, first separating tube of the chiasma type finned heat exchanger are communicated in first condenser, the chiasma type wing
First gas collecting tube of piece heat exchanger is communicated in first compressor, to form the refrigerant of the first system heat pump unit
Flow cycle；
One end per the second heat exchanging pipe described all the way is connected with the second separating tube, and the other end is connected with the second gas collecting tube,
The second system heat pump unit includes the second compressor and the second condenser connected with second compressor, the intersection
Second separating tube of type finned heat exchanger is communicated in second condenser, and described the of the chiasma type finned heat exchanger
Two gas collecting tubes are communicated in second compressor, to form the refrigerant flow cycle of the second system heat pump unit.
Description of the drawings
Fig. 1 is the schematic diagram of the chiasma type finned heat exchanger in one embodiment of the utility model；
Fig. 2 is the schematic diagram of the chiasma type finned heat exchanger of two rows of heat exchanger tubes in one embodiment of the utility model；
Fig. 3 is the schematic diagram of the chiasma type finned heat exchanger of three comb heat pipes in one embodiment of the utility model.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments makes to the utility model
The understanding of disclosure more thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more relevant Listed Items.
As shown in Figure 1, the chiasma type finned heat exchanger 100 in one embodiment of the utility model, has inlet side and outlet air
Side, the chiasma type finned heat exchanger 100 include the two groups of evaporator assemblies set along inlet side to outlet air side direction, every group of steaming
Sending out device assembly includes the first heat exchanging pipe 120 and the second heat exchanging pipe 110, the first heat exchanging pipe 120 of two groups of evaporator assemblies
It intersects with the second heat exchanging pipe 110 in inlet side to outlet air side direction setting.
Above-mentioned chiasma type finned heat exchanger 100, the first heat exchanging pipe 120 are communicated in the first system heat pump as evaporator
Unit, the second heat exchanging pipe 110 are communicated in second system heat pump unit as evaporator, to be run when only there are one heat pump units
When, since the first heat exchanging pipe 120 and the second heat exchanging pipe 110 intersect setting in inlet side to outlet air side direction, first
120 or second heat exchanging pipe 110 of heat exchanging pipe works, and all fins all play the role of heat exchange, and entire chiasma type fin changes
The air-flow of circulation all plays the role of accelerating heat exchange in hot device.Therefore, air leakage phenomena is avoided, adds fin utilization
Rate improves the ability of heat pump unit.
In one embodiment, the first heat exchanging pipe 120 and the second heat exchanging pipe 110 are perpendicular to inlet side to air side
Intersect on the cross section in direction in X-shaped and lay.That is, the heat exchanger tube 101 of the first heat exchanging pipe 120 is formed with forming second
101 cross-distribution of heat exchanger tube of heat exchange manifold 110 so that be laid with the first heat exchanging pipe in inlet side to outlet air side direction
120 and second heat exchanging pipe 110.
In one embodiment, chiasma type finned heat exchanger 100 includes more heat exchanger tubes 101, and more heat exchanger tubes 101 are in extremely
Few two rows of arrangements, airflow direction A are directed toward air side by inlet side, and perpendicular to the heat exchanger tube 101 at least two rows of arrangements
Row face.
Wherein, more heat exchanger tubes 101 are by the first plane a perpendicular to airflow direction A and parallel to airflow side
It is four parts to the second plane b points of A, is followed successively by first portion 1001, second portion 1002, Part III 1003 and the 4th
Divide 1004, first portion 1001 and the heat exchanger tube 101 of Part III 1003 form the first heat exchanging pipe 120, second portion 1002
The second heat exchanging pipe 110 is formed with the heat exchanger tube 101 of Part IV 1004.
In one embodiment, the first plane a and the second plane b is average or on a rough average be divided by more heat exchanger tubes 101
The heat exchanger tube that four parts, i.e. first portion 1001, second portion 1002, Part III 1003 and Part IV 1004 respectively contain
101 numbers are same or similar.
It is understood that when more heat exchanger tubes 101 are even number and are in even rows arrangement, the first plane a and second is flat
More heat exchanger tubes 101 are equally divided into four parts, i.e. first portion 1001, second portion 1002, Part III 1003 and by face b
101 number of heat exchanger tube that four parts 1004 include is identical.When more heat exchanger tubes 101 are for odd number or in the row's arrangement of odd number number, the
One plane a and the second plane b is divided into four parts, i.e. first portion 1001, second portion by more heat exchanger tubes 101 are on a rough average
1002nd, 101 number of heat exchanger tube that Part III 1003 and Part IV 1004 respectively contain is close.In this way, form the first heat exchange
Pipeline 120 and 101 number of heat exchanger tube for forming the second heat exchanging pipe 110 are same or similar so that even being run in single system
When (only there are one heat pump units to run), entire chiasma type finned heat exchanger 100 all exchanges heat, and preferably realizes that air quantity is total to
It enjoys, further promotes fin utilization rate.
In one embodiment, rib heat exchanging pipe 100 further includes heat exchanger main body (not shown) and multi-disc fin (is schemed not
Show), which is arranged in heat exchanger main body, and fin offers several pores, more heat exchanger tubes with heat exchanger main body
It extends through and is set in pore.
In one embodiment, chiasma type finned heat exchanger 100 includes n row's heat exchanger tubes 101, and often arranging heat exchanger tube 101 includes m
Root, and n and m are all higher than or equal to 2.
Wherein, when n and m is even number, the heat exchanger tube 101 of 1~m/2 roots of 1~n/2 rows and (n/2+1)~n rows
(m/2+1)~m roots heat exchanger tube 101 formed the first heat exchanging pipe 120；The heat exchanger tube of rest part forms the second heat exchanger tube
Road 110.
When n and m is odd number, the heat exchanger tube 101 of the 1st~(m ± 1)/2 piece of the 1st~(n ± 1)/2 row and the [(n ±
1)/2+1]~n row [(m ± 1)/2+1]~m roots heat exchanger tube 101 formed the first heat exchanging pipe 120；Rest part changes
Heat pipe forms the second heat exchanging pipe 110.
In one embodiment, the first heat exchanging pipe 120 includes multichannel, forms the heat exchanger tube 101 of the first heat exchanging pipe 120
At least two parts are divided into, the heat exchanger tube 101 per part forms the first heat exchanging pipe 120 all the way.
Second heat exchanging pipe 110 includes multichannel, and the heat exchanger tube 101 for forming the second heat exchanging pipe 110 is divided at least two
Point, the heat exchanger tube 101 per part forms the second heat exchanging pipe 110 all the way.
Specifically, chiasma type finned heat exchanger 100 further includes bend pipe 102, and bend pipe 102 is sequentially communicated the head of heat exchanger tube 101
Tail both ends form S-shaped the first heat exchanging pipe 120 and the second heat exchanging pipe 110.
In one embodiment, chiasma type finned heat exchanger 100 further includes fan (not shown), to certain driving air-flow along into
Wind side to outlet air side direction (i.e. airflow direction A) circulates, and promotes the heat exchange efficiency of chiasma type finned heat exchanger 100.It is optional
Ground, fan are arranged at the inlet side of chiasma type finned heat exchanger, dry to chiasma type finned heat exchanger 100.
Further, the multichannel pipeline of above-mentioned first heat exchanging pipe 120 accesses the first system by the way of in parallel behind interflow
System heat pump unit.The multichannel pipeline of above-mentioned second heat exchanging pipe 110 accesses second system heat pump by the way of in parallel behind interflow
Unit.
In one embodiment, the heat exchanger tube 101 of the first heat exchanging pipe 120 or the second heat exchanging pipe 110 is formed as two rows
When, S-shaped connection positioned at the heat exchanger tube 101 of same row, and passes through bend pipe 102 and will be located therein the one of a row bend pipe 102 successively
The heat exchanger tube 101 of end end is connected with the heat exchanger tube 101 of the same end end of another row.
Fig. 2 is referred to, chiasma type finned heat exchanger 200 in the embodiment shown in Figure 2 includes two rows of heat exchanger tubes 101,
Often arranging heat exchanger tube 101 includes 32.
Wherein, the 17th~32 heat exchanger tube 101 of the 1st~16 101 and the 2nd row of heat exchanger tube of the 1st row forms first and changes
Pipe line 220.The 1st~16 of 17th~32 101 and the 2nd row of heat exchanger tube of the heat exchanger tube 101 of rest part, i.e. the 1st row
Heat exchanger tube 101 forms the second heat exchanging pipe 210.
Specifically, the first heat exchanging pipe 220 is formed with forming the heat exchanger tube 101 of the second heat exchanging pipe 210 respectively by curved
Head and the tail connection forms S-shaped pipeline to pipe 102 successively.That is, using bend pipe 102 by the 1st~16 heat exchanger tube 101 of the 1st row
And the 2nd row the 17th~32 heat exchanger tube 101 successively head and the tail connection formed the first heat exchanging pipe 220；Using bend pipe by the 1st row's
Head and the tail connection forms the second heat exchanging pipe to the 1st~16 heat exchanger tube 101 of 17th~32 101 and the 2nd row of heat exchanger tube successively
210。
In the embodiment shown in Figure 2, the heat exchanger tube 101 for forming the first heat exchanging pipe 220 is divided into four parts, i.e., and the
1, which arranges the 1st~8 heat exchanger tube the 101, the 1st, arranges the 9th~16 heat exchanger tube the 101, the 2nd and arranges the 17th~24 101 and the 2nd row of heat exchanger tube
25th~32 heat exchanger tube 101.The tetrameric heat exchanger tube 101 forms four pipes by bend pipe 102 successively head and the tail connection respectively
Road, at this point, the first heat exchanging pipe 220 includes four pipelines.Four road pipelines of first heat exchanging pipe 220 are using parallel connection
Mode accesses the first system heat pump unit behind interflow.
The heat exchanger tube 101 for forming the second heat exchanging pipe 210 is divided into four parts, i.e., the 2nd arranges the 1st~8 heat exchanger tube
101st, the 2nd arrange the 9th~16 heat exchanger tube the 101, the 1st and arrange the 17th~24 heat exchanger tube 101 and the 1st and arrange the 25th~32 heat exchanger tube
101.The tetrameric heat exchanger tube 101 forms four pipelines by bend pipe 102 successively head and the tail connection respectively, at this point, the second heat exchange
Pipeline 210 includes four pipelines.Four road pipelines of second heat exchanging pipe 210 are accessed by the way of in parallel behind interflow
Second system heat pump unit.
Fig. 3 is referred to, chiasma type finned heat exchanger 300 in the embodiment shown in fig. 3 includes 3 row's heat exchanger tubes 101, often
Arranging heat exchanger tube 101 includes 12.
Wherein, the 7th~12 heat exchanger tube 101 of the 1st~6 101 and the 3rd row of heat exchanger tube of the 1st~2 row forms first and changes
Pipe line 320.The 1st~6 of 7th~12 101 and the 3rd row of heat exchanger tube of the heat exchanger tube 101 of rest part, i.e. the 1st~2 row
Heat exchanger tube 101 forms the second heat exchanging pipe 310.
Specifically, the first heat exchanging pipe 320 is formed with forming the heat exchanger tube 101 of the second heat exchanging pipe 310 respectively by curved
Head and the tail connection forms S-shaped pipeline to pipe 102 successively.That is, using bend pipe 102 by the 1st~6 heat exchanger tube of the 1st~2 row
Head and the tail connection forms the first heat exchanging pipe 320 to the 7th~12 heat exchanger tube 101 of 101 and the 3rd row successively；Using bend pipe by the 1st~
Head and the tail connection forms the second heat exchanging pipe to the 1st~6 heat exchanger tube 101 of the 7th~12 101 and the 3rd row of heat exchanger tube of 2 rows successively
310。
In the embodiment shown in fig. 3, the heat exchanger tube 101 for forming the first heat exchanging pipe 320 is divided into two parts, i.e., and the
1~2, which arranges the 1st~6 heat exchanger tube 101 and the 3rd, arranges the 7th~12 heat exchanger tube 101.The two-part heat exchanger tube 101 passes through respectively
Head and the tail connection forms two pipelines to bend pipe 102 successively, at this point, the first heat exchanging pipe 320 includes two pipelines.First heat exchange
The two-way pipeline of pipeline 320 accesses the first system heat pump unit by the way of in parallel behind interflow.
The heat exchanger tube 101 for forming the second heat exchanging pipe 310 is divided into two parts, i.e., the 3rd arranges the 1st~6 heat exchanger tube 101
And the 1st arrange the 7th~12 heat exchanger tube 101.The two-part heat exchanger tube 101 is formed respectively by bend pipe 102 successively head and the tail connection
Two pipelines, at this point, the second heat exchanging pipe 310 includes two pipelines.The two-way pipeline of second heat exchanging pipe 310 is using simultaneously
The mode of connection accesses second system heat pump unit behind interflow.
First heat exchanging pipe of above-mentioned chiasma type finned heat exchanger 100 (200 or 300), inlet side and air side and
The length of two heat exchanging pipes and the area of distribution are same or similar, and are distributed in the row of entire chiasma type finned heat exchanger
Face so that at single system operation (i.e. the first heat exchanging pipe or the operation of the second heat exchanging pipe), can also use entire chiasma type
Finned heat exchanger exchanges heat, and increases heat exchange area during single system operation, realizes that air quantity is shared, effectively prevents existing skill
The phenomenon that chiasma type finned heat exchanger bottom is leaked out when single system is run in art is conducive to improve unit capacity.
Based on above-mentioned chiasma type finned heat exchanger, the utility model also provides a kind of dual system heat pump unit, the dual system
Heat pump unit includes the first system heat pump unit (not shown), second system heat pump unit (not shown) and as above any described
Chiasma type finned heat exchanger.First heat exchanging pipe accesses the first system heat pump unit, the second heat exchanging pipe access second system heat
Pump assembly.
It is understood that the first heat exchanging pipe of access the first system heat pump unit exists as the first system heat pump unit
The evaporator of heating mode；Second heat exchanging pipe of access second system heat pump unit is being heated as second system heat pump unit
The evaporator of pattern.
In one embodiment, the first separating tube 111, other end connection are connected with per one end of the first heat exchanging pipe all the way
There are the first gas collecting tube 113, the first condensation that the first system heat pump unit includes the first compressor and connected with first compressor
Device, the first separating tube 111 of chiasma type finned heat exchanger are communicated in the first condenser, the first gas collection of chiasma type finned heat exchanger
Pipe 113 is communicated in the first compressor, to form the refrigerant flow cycle of the first system heat pump unit.
It is understood that when the first heat exchanging pipe only has all the way, the first separating tube 111 and the first gas collecting tube 113 are
There are one only, the both ends of the first heat exchanging pipe are connected to.When the first heat exchanging pipe includes multichannel, the first separating tube 111
Also include with the first gas collecting tube 113 multiple, the both ends per the first heat exchanging pipe all the way respectively connect that there are one first point
Liquid pipe 111 and first gas collecting tube 113, the first heat exchanging pipe of multichannel access the first system heat pump unit in parallel.
The second separating tube 211 is connected with per one end of the second heat exchanging pipe all the way, the other end is connected with the second gas collecting tube
213, second system heat pump unit includes the second compressor and the second condenser connected with second compressor, chiasma type fin
Second separating tube 211 of heat exchanger is communicated in the second condenser, and the second gas collecting tube 213 of chiasma type finned heat exchanger is communicated in
Two compressors, to form the refrigerant flow cycle of second system heat pump unit.
It is understood that when the second heat exchanging pipe only has all the way, the second separating tube 111 and the second gas collecting tube 113 are
There are one only, the both ends of the second heat exchanging pipe are connected to.When the second heat exchanging pipe includes multichannel, the second separating tube 111
Also include with the second gas collecting tube 113 multiple, the both ends per the second heat exchanging pipe all the way respectively connect that there are one second point
Liquid pipe 111 and second gas collecting tube 113, the second heat exchanging pipe of multichannel access second system heat pump unit in parallel.
In order to be better understood from the principle of the utility model, below by the operation principle of dual system heat pump unit into
Row description：
When dual system heat pump unit is in heating mode：The liquid refrigerants of low-temp low-pressure enters from the first separating tube 111 to be handed over
Forked type finned heat exchanger, liquid refrigerants evaporation after formed low-temp low-pressure gaseous coolant, gaseous coolant through the first gas collecting tube 113 into
Enter after the first compressor is compressed and enter back into the first condenser；And/or the liquid refrigerants of low-temp low-pressure is from the second separating tube
211 enter chiasma type finned heat exchanger, the gaseous coolant of low-temp low-pressure are formed after liquid refrigerants evaporation, gaseous coolant is through the second collection
Tracheae 213 enters back into the second condenser after being compressed into the second compressor.
When dual system heat pump unit is in defrosting mode：The gaseous coolant of the high temperature and pressure of first compressor discharge passes through the
One gas collecting tube 113 enters chiasma type finned heat exchanger, is flowed after condensation as the liquid refrigerants of low-temp low-pressure from the first separating tube 111
Go out, the first compressor is entered back by the first condenser；And/or second the gaseous coolant of high temperature and pressure of compressor discharge lead to
Cross the second gas collecting tube 213 and enter chiasma type finned heat exchanger, after condensation as low-temp low-pressure liquid refrigerants from the second separating tube
211 outflows, the second compressor is entered back by the second condenser.
Above-mentioned dual system heat pump unit, when single system is run, the inlet side of chiasma type finned heat exchanger and air side
First heat exchanging pipe 120 (or 220,320) is identical with the length of the second heat exchanging pipe 110 (or 210,310) and distribution or phase
Closely, and in inlet side to outlet air side direction the first heat exchanging pipe 120 (or 220,320) and the second heat exchanging pipe 110 are distributed with
(or 210,310) so that even only First Heat Exchanger or the second heat exchanger work, can also use entire chiasma type wing
Piece heat exchanger exchanges heat, and increases heat exchange area during single system operation, realizes that air quantity is shared, effectively prevents the prior art
The phenomenon that chiasma type finned heat exchanger bottom is leaked out during middle single system operation improves the ability of dual system heat pump unit.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (8)
1. chiasma type finned heat exchanger has inlet side and air side, which is characterized in that the chiasma type finned heat exchanger includes
The two groups of evaporator assemblies set along the inlet side to the outlet air side direction, every group of the evaporator assemblies include first
Heat exchanging pipe and the second heat exchanging pipe, first heat exchanging pipe and second heat exchanging pipe of two groups of evaporator assemblies are in institute
Inlet side to the outlet air side direction is stated to intersect setting.
2. chiasma type finned heat exchanger according to claim 1, which is characterized in that first heat exchanging pipe and described the
Two heat exchanging pipes are being in that X-shaped intersects laying on the inlet side to the cross section of the outlet air side direction.
3. chiasma type finned heat exchanger according to claim 2, which is characterized in that the chiasma type finned heat exchanger includes
More heat exchanger tubes, for the more heat exchanger tubes at least two rows of arrangements, the outlet air is directed toward in airflow direction by the inlet side
Side, and perpendicular to the row face of the heat exchanger tube at least two rows of arrangements；
Wherein, the more heat exchanger tubes are by the first plane perpendicular to the airflow direction and parallel to the airflow
Second plane in direction is divided into four parts, is followed successively by first portion, second portion, Part III and Part IV, and described first
The heat exchanger tube of part and the Part III forms the first heat exchanging pipe, the institute of the second portion and the Part IV
It states heat exchanger tube and forms the second heat exchanging pipe.
4. chiasma type finned heat exchanger according to claim 2, which is characterized in that the chiasma type finned heat exchanger includes
N arranges heat exchanger tube, and often arranging the heat exchanger tube includes m roots, and n and m are all higher than or equal to 2；
When n and m is even number, heat exchanger tube described in 1~m/2 roots of 1~n/2 rows and the (m/2+ of (n/2+1)~n rows
1)~heat exchanger tube described in m roots forms first heat exchanging pipe；The heat exchanger tube of rest part forms second heat exchanger tube
Road；
When n and m is odd number, the 1st~(m ± 1)/2 piece heat exchanger tube and [(n ± 1)/2+1] of the 1st~(n ± 1)/2 row
[(m ± 1)/2+1]~heat exchanger tube described in m roots of~n rows forms first heat exchanging pipe；The heat exchanger tube of rest part
Form second heat exchanging pipe.
5. the chiasma type finned heat exchanger according to claim 3 or 4, which is characterized in that first heat exchanging pipe includes
Multichannel, the heat exchanger tube for forming first heat exchanging pipe are divided at least two parts, and the heat exchanger tube per part is formed
First heat exchanging pipe all the way；
Second heat exchanging pipe includes multichannel, and the heat exchanger tube for forming second heat exchanging pipe is divided at least two
Point, the heat exchanger tube per part forms second heat exchanging pipe all the way.
6. chiasma type finned heat exchanger according to claim 5, which is characterized in that the chiasma type finned heat exchanger also wraps
Include bend pipe, the head and the tail both ends that the bend pipe is sequentially communicated the heat exchanger tube form S-shaped first heat exchanging pipe and described
Second heat exchanging pipe.
7. dual system heat pump unit, which is characterized in that including the first system heat pump unit, second system heat pump unit and such as right
It is required that the chiasma type finned heat exchanger any one of 1-6, first heat exchanging pipe accesses the first system heat pump machine
Group, second heat exchanging pipe access the second system heat pump unit.
8. dual system heat pump unit according to claim 7, which is characterized in that one per the first heat exchanging pipe described all the way
End is connected with the first separating tube, and the other end is connected with the first gas collecting tube, and the first system heat pump unit includes the first compressor
And the first condenser connected with first compressor, first separating tube of the chiasma type finned heat exchanger are communicated in
First condenser, first gas collecting tube of the chiasma type finned heat exchanger is communicated in first compressor, with shape
Into the refrigerant flow cycle of the first system heat pump unit；
One end per the second heat exchanging pipe described all the way is connected with the second separating tube, and the other end is connected with the second gas collecting tube, described
Second system heat pump unit includes the second compressor and the second condenser connected with second compressor, the chiasma type wing
Second separating tube of piece heat exchanger is communicated in second condenser, second collection of the chiasma type finned heat exchanger
Tracheae is communicated in second compressor, to form the refrigerant flow cycle of the second system heat pump unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721213579.5U CN207395242U (en) | 2017-09-20 | 2017-09-20 | Chiasma type finned heat exchanger and dual system heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721213579.5U CN207395242U (en) | 2017-09-20 | 2017-09-20 | Chiasma type finned heat exchanger and dual system heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207395242U true CN207395242U (en) | 2018-05-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107631520A (en) * | 2017-09-20 | 2018-01-26 | 广东芬尼能源技术有限公司 | Chiasma type finned heat exchanger, dual system source pump and its Defrost method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631520A (en) * | 2017-09-20 | 2018-01-26 | 广东芬尼能源技术有限公司 | Chiasma type finned heat exchanger, dual system source pump and its Defrost method |
| CN107631520B (en) * | 2017-09-20 | 2023-08-29 | 广东芬尼能源技术有限公司 | Cross-type fin heat exchanger, dual-system heat pump unit and defrosting method thereof |
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