CN110220296A - A kind of heat exchanger and air conditioner - Google Patents
A kind of heat exchanger and air conditioner Download PDFInfo
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- CN110220296A CN110220296A CN201910168190.0A CN201910168190A CN110220296A CN 110220296 A CN110220296 A CN 110220296A CN 201910168190 A CN201910168190 A CN 201910168190A CN 110220296 A CN110220296 A CN 110220296A
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- heat exchanger
- flow path
- exchanger tube
- heat
- tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
The invention discloses a kind of heat exchanger and air conditioners, are related to technical field of heat exchangers.Exchange capability of heat to solve the problems, such as heat exchanger in the related technology is lower and invents.The heat exchanger, fin component and the set of heat exchange tubes being arranged across fin component, set of heat exchange tubes includes the first heat exchanger tube row and the second heat exchanger tube row, first heat exchanger tube row includes multiple first heat exchanger tubes, and multiple first heat exchanger tubes connect the second flow path of the first flow path to form multiple parallel connections and multiple parallel connections;Second heat exchanger tube row includes multiple second heat exchanger tubes, multiple second heat exchanger tubes connect to form third flow path and the 4th flow path, third flow path and the 4th flow path are separated by setting, and the first port of third flow path and the first port of the 4th flow path are located at third flow path, the 4th flow path one end relative to each other or opposite;The second port of third flow path is connected with multiple first flow path, and the second port of the 4th flow path is connected with multiple second flow paths.The present invention can be used in air conditioner.
Description
Technical field
The present invention relates to technical field of heat exchangers more particularly to a kind of heat exchangers and air conditioner.
Background technique
Heat exchanger is the core component of air-conditioning equipment and air heat-exchange, can be used as evaporator and condenser, can effectively be controlled
The temperature of indoor environment processed.Heat exchanger is usually to constitute by fin and across the set of heat exchange tubes of fin, wherein in set of heat exchange tubes
Connection type between multiple heat exchanger tubes is directly related to the heat exchange property of heat exchanger.
One of the relevant technologies heat exchanger, including fin and both pass through fin setting multiple set of heat exchange tubes 01, such as
Shown in Fig. 1, which includes two the first heat exchanger tube rows 02 and the second heat exchanger tube row 03, each first heat exchange
Pipe row 02 includes eight the first heat exchanger tubes 021, and the first heat exchanger tube 021 connection in two the first heat exchanger tube rows 02 forms two
First flow path 04 and two second flow paths 05 in parallel in parallel;Second heat exchanger tube row 03 includes eight the second heat exchanger tubes 031,
In four the second heat exchanger tubes 031 concatenation form third flow path 06, the concatenation of the second heat exchanger tube of four additional 031 forms the 4th flow path
07, third flow path 06 is connected with two first flow path 04, and the 4th flow path 07 is connected with two second flow paths 05.
In the heat exchanger, the second heat exchanger tube 031a of third flow path 06 and the second heat exchanger tube 031b of the 4th flow path 07
It is adjacent, when passing through the second heat exchanger tube 031a by refrigerant not with the transfer path length by being passed through when the second heat exchanger tube 031b
Equally, so that there are the biggish temperature difference between the refrigerant in the second heat exchanger tube 031a and the second heat exchanger tube 031b, such as when
When heat exchanger is condenser, refrigerant flows to liquid side from gas side, and the temperature of the refrigerant in the second heat exchanger tube 031a will be changed lower than second
Refrigerant in heat pipe 031b, then by fin heat will occur for the refrigerant in the second heat exchanger tube 031a and the second heat exchanger tube 031b
Exchange, thus greatly reduces the overall heat exchange ability of heat exchanger.
Summary of the invention
The embodiment of the present invention provides a kind of heat exchanger and air conditioner, is able to solve the heat exchange of heat exchanger in the related technology
The lower problem of ability.
In order to achieve the above objectives, in a first aspect, the embodiment provides a kind of heat exchanger, including heat exchanger sheet
Body, the heat exchanger body include fin component and the set of heat exchange tubes across fin component setting, the set of heat exchange tubes
The first heat exchanger tube row and the second heat exchanger tube row including the thickness direction arrangement along the heat exchanger body, first heat exchanger tube
Row includes multiple first heat exchanger tubes arranged along the short transverse of the heat exchanger body, and multiple first heat exchanger tubes connect shape
At the first flow path of multiple parallel connections and the second flow path of multiple parallel connections;The second heat exchanger tube row includes along the heat exchanger sheet
Multiple second heat exchanger tubes of the short transverse arrangement of body, multiple second heat exchanger tubes connect to form third flow path and the 4th stream
Road, the third flow path and the 4th flow path include at least two be sequentially connected in series together with second heat exchanger tube, edge
The short transverse of the heat exchanger body, the third flow path and the 4th flow path are separated by setting, and the third flow path
First port and the 4th flow path first port be located at the third flow path, the 4th flow path opposite to each other or
The opposite one end of person;The second port of the third flow path is connected with multiple first flow path, so that the third stream
Road and multiple first flow path form the first branch, and the second port and multiple second flow paths of the 4th flow path are homogeneous
Connection, so that the 4th flow path and multiple second flow paths form second branch, the first branch and second described
Road is in parallel.
Second aspect, the embodiment of the invention also provides a kind of air conditioners, including heat exchanger described in first aspect.
Heat exchanger and air conditioner provided in an embodiment of the present invention, due in the short transverse of heat exchanger body, third stream
The first port on road and the first port of the 4th flow path are located at relative to each other or opposite one of third flow path, the 4th flow path
End, when flowing through two the second heat exchanger tubes adjacent between third flow path and the 4th flow path, refrigerant is flowed through such refrigerant
Transfer path similar length, then the temperature difference of the refrigerant in two the second heat exchanger tubes adjacent on third flow path, the 4th flow path
Value also just compares smaller, thus refrigerant in two adjacent the second heat exchanger tubes can be avoided to pass through fin to a certain extent and sent out
Heat exchange (effect for especially reducing generation heat exchange when heat exchanger is condenser becomes apparent), is changed so as to improve
The overall heat exchange ability of hot device.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the flow path schematic diagram of one of existing the relevant technologies heat exchanger;
Fig. 2 is the flow path schematic diagram (upper and lower two into one arrangements) of the heat exchanger in some embodiments of the invention;
Fig. 3 is the partial enlarged view of Fig. 2;
Fig. 4 is the flow path schematic diagram of the heat exchanger in some embodiments of the invention (there are four in first flow path, third flow path
First heat exchanger tube);
Fig. 5 be some embodiments of the invention in heat exchanger flow path schematic diagram (left and right two into one arrangement, first flow path with
And there are four the first heat exchanger tubes for second flow path);
Fig. 6 is the flow path schematic diagram of the heat exchanger in some embodiments of the invention (the second heat exchanger tube number of rows mesh is two);
Fig. 7 is the schematic shapes (G type) of heat exchanger in some embodiments of the invention;
Fig. 8 is the side view of Fig. 6;
Fig. 9 is the structural schematic diagram (straight tube insertion fin) of heat exchanger in some embodiments of the invention;
Figure 10 is the structural schematic diagram of the first heat exchanger tube or the second heat exchanger tube in some embodiments of the invention;
Figure 11 is the structural schematic diagram (U-tube oblique cutting) of heat exchanger in some embodiments of the invention;
Figure 12 is the structural schematic diagram of some embodiments of the invention U-tube;
Figure 13 is the B-B cross section view of Figure 11;
Figure 14 is the A-A cross section view of Figure 11;
Figure 15 is flow path schematic diagram (two into one arrangement of left and right, the first flow path of the heat exchanger in some embodiments of the invention
And there are two the first heat exchanger tubes for second flow path).
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It is right
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
In a first aspect, the embodiment of the invention provides a kind of heat exchanger, as shown in fig. 7, comprises heat exchanger body 10, heat exchange
Device ontology 10 includes fin component 1 and the set of heat exchange tubes 2 across the setting of fin component 1;
As shown in Fig. 2, set of heat exchange tubes 2 includes arranging 21 Hes along the first heat exchanger tube that the thickness direction of heat exchanger body 10 arranges
Second heat exchanger tube row 22, the first heat exchanger tube row 21 include multiple first heat exchanger tubes arranged along the short transverse of heat exchanger body 10
211, multiple connections of first heat exchanger tube 211 form the first flow path 23 of multiple parallel connections and the second flow path 24 of multiple parallel connections;The
Two heat exchanger tubes row 22 includes multiple second heat exchanger tubes 221 arranged along the short transverse of heat exchanger body 10, multiple second heat exchange
The connection of pipe 221 forms third flow path 25 and the 4th flow path 26, and third flow path 25 and the 4th flow path 26 include two and (be also possible to
It is more than two) it is sequentially connected in series the second heat exchanger tube 221 together;
As shown in figure 3, third flow path 25 and the 4th flow path 26 are separated by setting along the short transverse of heat exchanger body 10, and
And the first port O of third flow path 25 and the first port P of the 4th flow path 26 be located at third flow path 25, the 4th flow path 26 that
This opposite one end;The second port T of third flow path 25 is connected with multiple first flow path 23, so that 25 He of third flow path
Multiple first flow path 23 form the first branch 27, and the second port R of the 4th flow path 26 is connected with multiple second flow paths 24,
So that the 4th flow path 26 and multiple second flow paths 24 form second branch 28, the first branch 27 and second branch 28 are in parallel.
It should be understood that the heat exchanger can be long tube pipeline heat exchanger (the first heat exchanger tube 211 or the second heat exchanger tube
221 pipe range is 1.5~4m), or short tube pipeline heat exchanger is not specifically limited herein;The heat exchanger can not only be used
On air conditioner, it can also be used in other heat exchange equipments;The thickness direction of heat exchanger body 10 is parallel to heat exchange air-flow
The direction of flow direction, such as X-direction shown in Fig. 2;The short transverse of heat exchanger body 10 refers to the thickness with heat exchanger body 10
Spend the perpendicular direction of extending direction in direction, the first heat exchanger tube 211 (the second heat exchanger tube 221), such as Z-direction shown in Fig. 2;
For the heat exchanger of 10 bending of heat exchanger body, the extending direction of the first heat exchanger tube 211 (the second heat exchanger tube 221) refers to
The extending direction of first heat exchanger tube 211 (the second heat exchanger tube 221) before 10 bending of heat exchanger body, such as Y-direction shown in Fig. 9.
As shown in Figures 2 and 3, when the heat exchanger makees condenser, refrigerant flows to liquid side from the gas side of heat exchanger: one is cold
Matchmaker imports third flow path 25 through multiple first flow path 23, is then flowed out by the first port O of third flow path 25, one refrigerant is through more
A second flow path 24 imports the 4th flow path 26, is then flowed out by the first port P of the 4th flow path 26;When the heat exchanger makees evaporator
When, refrigerant is from the liquid effluent of heat exchanger to gas side: one refrigerant flows into third flow path 25 through the first port O of third flow path 25,
Be then tapped off into multiple first flow path 23, finally flowed out by multiple first flow path 23, one refrigerant through the 4th flow path 26
Single port P flows into the 4th flow path 26, is then tapped off into multiple second flow paths 24, is finally flowed out by multiple second flow paths 24.
Heat exchanger provided in an embodiment of the present invention, due in the short transverse of heat exchanger body 10, third flow path 25
The first port P of first port O and the 4th flow path 26 is located at third flow path 25, the 4th flow path 26 one end relative to each other,
Refrigerant is flowing through adjacent two the second heat exchanger tubes 221 between third flow path 25 and the 4th flow path 26 (such as shown in Fig. 3 in this way
The second heat exchanger tube 221a and the second heat exchanger tube 221b) when, the transfer path similar length of refrigerant flowed through, then third stream
The temperature gap of refrigerant on road 25, the 4th flow path 26 in two adjacent the second heat exchanger tubes 221 also just compare it is smaller, thus can
With avoid to a certain extent the refrigerant in two adjacent the second heat exchanger tubes 221 by fin occur heat exchange (especially when
The effect for reducing generation heat exchange when heat exchanger is condenser becomes apparent), reduce the heat loss of heat exchanger, so as to mention
The overall heat exchange ability (2.5% can be promoted by the refrigerating capacity that the heat exchanger is tested in experiment) of high heat exchanger.
Heat exchanger provided in an embodiment of the present invention, as shown in figure 4, the first port O and the 4th flow path 26 of third flow path 25
First port P can also be located at third flow path 25, the 4th flow path 26 one end away from one another, acquired effect with it is upper
Rheme effect acquired when third flow path 25, the 4th flow path 26 one end relative to each other is identical, and details are not described herein.
In the above-described embodiments, as shown in figure 3, in third flow path 25 second heat exchanger tube 221 number a and the 4th flow path
The number b of second heat exchanger tube 221 can be equal in 26;In addition, in third flow path 25 second heat exchanger tube 221 number a and the 4th
The number b of second heat exchanger tube 221 can also be unequal in flow path 26.It is not equal to b compared to a, when a is equal to b, when refrigerant flows through
The equal length flowed through when two adjacent the second heat exchanger tubes 221 between third flow path 25, the 4th flow path 26, so that third stream
The temperature difference of refrigerant between road 25, the 4th flow path 26 in two adjacent the second heat exchanger tubes 221 is smaller, so as to avoid
By fin heat exchange occurs for the refrigerant between three flow paths 25, the 4th flow path 26 in two adjacent the second heat exchanger tubes 221, in turn
It can be further improved the overall heat exchange ability of heat exchanger.
Wherein, as shown in figure 3, the number a of the second heat exchanger tube 221 in third flow path 25, the second heat exchange in the 4th flow path 26
The number b of pipe 221 can be two;In addition, as shown in figure 4, the number a of the second heat exchanger tube 221, in third flow path 25
The number b of second heat exchanger tube 221 can be three or more (than four as shown in Figure 4) in four flow paths 26.Compared to a and b
It is three or more embodiments, a and b are two embodiments, and it can shorten the process of refrigerant, reduce the crushing of refrigerant,
So as to which so that refrigerant specific volume tends to be constant, compressor air suction mass flow tends to be constant, and then guarantee changing for coolant system
Thermal energy power is maintained in the range of requirement, meanwhile, when heat exchanger makees evaporator, the crushing for reducing refrigerant can also be to avoid refrigerant
Evaporating temperature reduces, and the heat transfer temperature difference for guaranteeing refrigerant between the air-flow that exchanges heat guarantees in default range, to guarantee heat exchanger
Exchange capability of heat in the range of requiring;It is flowed in addition, the process for shortening refrigerant also can reduce refrigerant in third flow path the 25, the 4th
Temperature difference on road 26, so that guaranteeing that the temperature difference to exchange heat between air-flow and refrigerant is smaller (arranges 22 in same second heat exchanger tube
On, with the increase of heat exchange process, refrigerant is gradually changed along its flow direction temperature, and exchanging air stream second is changed by this
Temperature when heat pipe row 22 is constant, so that refrigerant and heat exchange air-flow part have certain temperature difference), heat exchange loss is reduced,
Be conducive to improve heat exchanger unit volume heat exchange amount.
In set of heat exchange tubes 2, the number of the first heat exchanger tube row 21 can be one, in addition, as shown in figure 3, the first heat exchange
The number of pipe row 21 may be it is multiple, multiple first heat exchanger tubes row 21 arranges along the thickness direction of heat exchanger body 10, and position
The first heat exchanger tube 211 connection in the same side of the second heat exchanger tube row 22, multiple first heat exchanger tube rows 21 forms multiple first
Flow path 23.The embodiment that number compared to the first heat exchanger tube row 21 is one, the number of the first heat exchanger tube row 21 are multiple realities
Example is applied, in one timing of total heat exchange area of heat exchanger, multiple first heat exchanger tube rows 21, which are arranged, can reduce heat exchanger body 10
Highly, so as to reduce size of the heat exchanger in 10 short transverse of heat exchanger body, and then be conducive to heat exchanger in air-conditioning
In preferred arrangement.
It is multiple first flow path 23 and multiple seconds in multiple embodiments in the number of the first heat exchanger tube row 21
The arrangement mode on road 24 is not unique, for example, as shown in figure 3, multiple first flow path 23 and multiple second flow paths 24 can be equal
It is separated by arrangement along the short transverse of heat exchanger body 10, and along the short transverse of heat exchanger body 10, multiple first flow path 23
It is respectively positioned on the same side of each second flow path 24.
In addition, as shown in figure 5, multiple first flow path 23 and multiple second flow paths 24 can also be along heat exchanger bodies 10
Thickness direction be separated by arrangement, and along the short transverse of heat exchanger body 10, multiple first flow path 23 are respectively positioned on each second
The same side of flow path 24.Compared to multiple first flow path 23 and multiple second flow paths 24 along the thickness direction of heat exchanger body 10
It is separated by the embodiment of arrangement, multiple first flow path 23 and multiple second flow paths 24 are along the short transverse phase of heat exchanger body 10
Every in the embodiment of arrangement, the heat exchange efficiency of heat exchanger is higher, this is because exchanging air stream passes through multiple first heat exchanger tubes row 21
When temperature be it is different, if multiple first flow path 23 and multiple second flow paths 24 are along the thickness direction of heat exchanger body 10
Be separated by arrangement (as shown in Figure 5), then the refrigerant in two adjacent first flow path 23 and two neighboring second flow path 24 with
The temperature difference of heat exchange air-flow is different, and is will lead between multiple first flow path 23 and heat exchange air-flow in this way, multiple second flow paths
Heat exchange between 24 and heat exchange air-flow is uneven, such as shown in Fig. 5, and when heat exchanger makees evaporator, the air-flow that exchanges heat is by heat exchanger
For the liquid effluent of ontology 10 to gas side, the temperature when air-flow that exchanges heat flows through first flow path 23 (second flow path 24) in left side is higher than stream
Temperature when first flow path 23 (second flow path 24) through right side, so that being located at the 23 (second flow path of first flow path of the left and right sides
24) in refrigerant from heat exchange the temperature difference of air-flow it is different, so as to cause heat exchange unevenly so that the outlet of multiple first flow path 23 it
Between the degree of superheat and multiple second flow paths 24 outlet between the degree of superheat differ greatly, to be unfavorable for heat exchange efficiency
It improves;(namely refrigerant and heat exchange air flow direction is on the contrary, when heat exchanger counterflow heat exchange), exchanging air when heat exchanger makees condenser
Temperature when stream flows through first flow path 23 (second flow path 24) in left side is lower than the 23 (second flow path of first flow path for flowing through right side
24) temperature when, so that the heat transfer temperature difference of refrigerant and heat exchange air-flow in the first flow path 23 (second flow path 24) in left side, than the right side
The heat transfer temperature difference of refrigerant in the first flow path 23 (second flow path 24) of side and heat exchange air-flow is big, exchange heat in this way air-flow and left side
The counterflow heat exchange loss of the refrigerant of first flow path 23 (second flow path 24) is big, and heat exchange efficiency is low.And multiple first flow path 23 with
And multiple second flow paths 24 are along the embodiment (as shown in Figure 3) that the short transverse of heat exchanger body 10 is separated by arrangement, then not
There are the above problems, thus heat exchange efficiency is high.
It is separated by arrangement along the short transverse of heat exchanger body 10 in multiple first flow path 23 and multiple second flow paths 24
Embodiment in, the first heat exchanger tube row 21 in multiple first heat exchanger tubes 211 in multiple first flow path 23 and multiple seconds
Distribution mode on road 24 is not also unique, for example can arrange in the following manner, as shown in figure 3, each first heat exchanger tube row 21
In multiple first heat exchanger tubes 211 correspond and be distributed in multiple first flow path 23 and multiple second flow paths 24, also
Be: in a first flow path 23 be located at same first heat exchanger tube row 21 in the first heat exchanger tube 211 only one, a second
On road 24 be located at same first heat exchanger tube row 21 in the first heat exchanger tube 211 only one.
Furthermore it is also possible to arrange in the following manner: as shown in figure 4, being located at same first heat exchange in a first flow path 23
There are two the first heat exchanger tubes 211 in pipe row 21, first be located in same first heat exchanger tube row 21 in a second flow path 24
There are two heat exchanger tubes 211.Compared to embodiment shown in Fig. 4, the heat exchange efficiency of heat exchanger is higher in embodiment shown in Fig. 3, this
It is since in the embodiment shown in fig. 4, there are two the first heat exchanger tubes 211 positioned at same in each first heat exchanger tube row 21
It is first-class in same first heat exchanger tube row 21 in heat exchange in first flow path 23 and in the same second flow path 24
Along the flow direction of refrigerant on road 23, second flow path 24, the temperature of refrigerant is gradually changed, and exchanging air stream by this first
The temperature of heat exchanger tube row 21 is certain, so that refrigerant and the air heat-exchange temperature difference become in same first heat exchanger tube row 21
Change big, heat exchange loss is big, be especially as condenser in heat exchanger become apparent (when namely heat exchanger counterflow heat exchange), thus
So that heat exchanger unit volume heat exchange amount reduces.And embodiment shown in Fig. 3, each first heat exchanger tube, which is arranged in 21, one
First heat exchanger tube 211 is located in the same first flow path 23 and in the same second flow path 24, then the above problem is not present, because
And heat exchange efficiency is high, heat exchanger unit volume heat exchange amount is larger, and in one timing of heat exchange amount, the volume of heat exchanger is smaller, so that changing
Hot device property more compact is conducive to save making material, reduces heat exchanger cost;Meanwhile in each first heat exchanger tube row 21
There is first heat exchanger tube 211 to be located in the same first flow path 23 and can also further contract in the same second flow path 24
The process of short refrigerant further decreases the crushing of refrigerant, so as to so that refrigerant specific volume, evaporator refrigerant temperature tend to be constant,
To guarantee the exchange capability of heat of heat exchanger in the range of requiring;In addition, in embodiment shown in Fig. 3, due to first flow path 23,
Only one first heat exchanger tube 211 of position that each first heat exchanger tube row 21 is corresponded in second flow path 24, reduces each in this way
The difference in height of first flow path 23, second flow path 24, in this way when heat exchanger is as condenser, that is, refrigerant flows to liquid from gas side
When side, the influence of flow of the gravity to coolant distribution into multiple first flow path 23, multiple second flow paths 24 can reduce, guarantee
Cold medium flux in multiple first flow path 23, multiple second flow paths 24 is equal, thus guarantee heat exchanger heat exchange uniformly, Jin Erti
The exchange capability of heat of high heat exchanger.
Heat exchanger provided in an embodiment of the present invention, as shown in Figure 3 and Figure 4, adjacent two in each first heat exchanger tube row 21
Spacing between a first heat exchanger tube 211 is equal and for d, wherein d be designed should as far as possible small, in this way in heat exchanger conduct
When condenser, the shadow of flow of the gravity to coolant distribution into multiple first flow path 23, multiple second flow paths 24 also can reduce
It rings.
In set of heat exchange tubes 2, the number m of first flow path 23 can be equal to the number n (as shown in Figure 3) of second flow path 24,
In addition, the number m of first flow path 23 can also be not equal to the number n of second flow path 24.Number m compared to first flow path 23 is differed
In the embodiment of the number n of second flow path 24, the number m of first flow path 23 is equal to the embodiment of the number n of second flow path 24,
When heat exchanger makees evaporator, that is, refrigerant branches in multiple first flow path 23 from third flow path 25, from the 4th flow path 26
It branches in multiple second flow paths 24, enters third flow path 25 at this time, the cold medium flux of the 4th flow path 26 is equal or approximate
Equal, the number n setting of the number m of first flow path 23, second flow path 24 is equal, it is ensured that each first flow path 23,
The cold medium flux shunted in second flow path 24 is approximately equal, to guarantee that heat exchanger heat exchange is more uniform, and then is conducive to improve
The heat exchange efficiency of heat exchanger.
Wherein, the number m of first flow path 23, the number n of second flow path 24 can be two (as shown in Figure 3), in addition,
The number m of first flow path 23, the number n of second flow path 24 can also be three or three or more.Compared to first flow path 23
Number m, second flow path 24 number n be the embodiment of three or three or more, the number m of first flow path 23, second flow path
24 number n is in two embodiments, and third flow path 25, the 4th flow path 26 can be realized and two by tee tube respectively
The connection of a 23, two second flow paths 24 of first flow path, it is cheap since tee tube is commonplace, it advantageously reduces in this way
The totle drilling cost of the heat exchanger.
In heat exchanger provided in an embodiment of the present invention, heat exchanger body 10 can not be bent, that is, heat exchanger body 10
For tabular;In addition, heat exchanger body 10 can also be bent, as shown in Figure 7 and Figure 8, heat exchanger body 10 is bent to form multiple
Heat exchanger section 101, multiple heat exchanger sections 101 are along the extending direction of the first heat exchanger tube 211 or the second heat exchanger tube 221 successively phase
It connects.It is flat embodiment, the embodiment that heat exchanger body 10 is bent, in the heat-transfer surface of heat exchanger compared to heat exchanger body 10
One timing of product, can reduce the size of heat exchanger, by bending heat exchanger body 10 so as to reduce the occupancy of heat exchanger
Space;Heat exchanger body 10 is bent to form multiple heat exchanger sections 101 simultaneously, it is also ensured that blower is blown out towards different directions
Heat exchange air-flow passes through heat exchanger body 10, to be conducive to be promoted the heat exchange efficiency of heat exchanger.
Wherein, the shape of heat exchanger body 10 is not also unique, for example, as shown in fig. 7, heat exchanger body 10 can be " G "
Type, that is, heat exchanger body 10 include four heat exchanger sections 101, and four heat exchanger sections 101 connect in " G " type.In addition, heat exchange
Device ontology 10 or " L " type, that is, heat exchanger body 10 include two heat exchanger sections 101, two 101 phases of heat exchanger section
It connects L-shaped.In addition to this, heat exchanger body 10 can also be bent into other shapes, such as U-typed, specifically can be according to reality
Depending on the situation of border.
In the embodiment that heat exchanger body 10 is bent into multistage, in order to guarantee heat exchanger body 10 in the first heat exchanger tube
What the both ends of 211 extending direction were generally flush with, then along the thickness direction of heat exchanger body 10, by outside to inside, Duo Paihuan
The length of heat pipe is gradually successively decreased, such as shown in Fig. 9, the length of the second heat exchanger tube 221 > on the outside of the first heat exchanger tube 211
Length > on the inside of the first heat exchanger tube 211 length.
In existing heat exchanger, heat exchanger body 10 is that the first heat exchanger tube the 21, second heat exchanger tube of row row 22 is inserted into respectively
It is formed into multiple rows of fin of fin component 1, each first heat exchanger tube arranges the 21, second heat exchanger tube row 22 and passes through row's fin.
In the actual production process, heat exchanger body 10 mainly wears the thickness being inserted into along heat exchanger body 10 by multiple U-tubes
It is formed in multiple rows of fin of direction arrangement, that is: two the first heat exchanger tubes 211 connect to form one one with a bend loss
The U-tube of body structure, two the second heat exchanger tubes 221 connect the U-tube to form an integral structure with a bend loss;U-tube
Inserted mode be broadly divided into plug flat and oblique cutting, plug flat, which refers to, is inserted into U-tube on same row's fin;Oblique cutting refers to will be U-shaped
Pipe is inserted on the fin of different rows.
In the embodiment that multiple first flow path 23, multiple second flow paths 24 are arranged along the short transverse of heat exchanger body 10
In, heat exchanger body 10 can be made using U-tube by the process that plug flat and oblique cutting combine, such as Fig. 3 and Figure 11
Shown, the second heat exchanger tube row 22 is formed in such a way that U-tube is using plug flat, and multiple first heat exchanger tube rows 21 pass through U type pipe
It is formed by the way of oblique cutting.Due to jack of the U-tube using oblique cutting mode during insertion on the fin of different rows
It is easy to misplace, to make that the insertion of U-tube is difficult, consuming time is long for insertion, and the scrappage of U-tube is high, fin is easy
It lodges, not only affects the quality of production of heat exchanger, and also affect the production efficiency of heat exchanger, can not be suitble to big
Batch production.
In order to solve the technical problems such as heat exchanger tube insertion difficulty, low efficiency, the embodiment of the invention provides two kinds of solution party
Case: one is solved by way of be inserted into straight tube:
As shown in Figure 9 and Figure 10, every row's fin is inserted into using straight tube, that is: multiple first heat exchanger tubes are arranged 21, the
Two heat exchanger tubes row 22 is inserted respectively into multiple rows of fin, and the end of multiple first heat exchanger tubes 211, multiple second heat exchanger tubes 221
Portion passes through elbow welding and forms flow path.This scheme is inserted by straight tube, and it is wrong to avoid the jack for entering different row's fins across socket
Position causes insertion difficult and is inserted into time-consuming problem.
Another kind is solved in such a way that single row fin and multiple rows of fin engage:
As shown in Figure 11, Figure 13 and Figure 14, fin component 1 includes end plate 14, the first fin component 11, the second fin component
12 and multiple third fin components 13, the first fin component 11 includes multiple first fins 111, and each first fin 111 is equal
It is structure as a whole, the second fin component 12 includes multiple second fins 121, and each third fin component 13 includes multiple thirds
Fin 131;Multiple first heat exchanger tubes row 21 corresponds with multiple third fin components 13, each first heat exchanger tube row 21 according to
Secondary multiple first fins 111 passed through in the first fin component 11, end plate 14, multiple in corresponding third fin component 13
The setting of three fins 131, the second heat exchanger tube row 22 sequentially pass through multiple first fins 111, end plate in the first fin component 11
14, multiple second fins 121 setting in the second fin component 12;
For multiple first heat exchanger tubes 211 of each first flow path 23 and each second flow path 24, along the flowing of refrigerant
Direction, at least a pair of first heat exchanger tube 211 is located in adjacent two the first heat exchanger tubes row 21 and the knot that is connected to form one
The U-tube of structure;The first heat exchanger tube of a pair such as shown in Fig. 3 and Figure 12, in each first flow path 23 and second flow path 24
211 are all connected with the U-tube to form integral structure.
The program passes through single row fin (namely the second fin 121 and third fin 131) and multiple rows of fin (namely the
One fin 111) combine method, so that oblique cutting U-tube insertion a part of fin (the first fin 1) be integral structure,
Due to the spacing of the jack on the first fin 111 be it is constant, during such U-tube is inserted into the first fin 111 it is avoided that
There is the case where hole dislocation, not only reduce the insertion difficulty of oblique cutting U-tube, saves the insertion time, but also make fin
It is less likely to occur to lodge, reduces the scrappage of U-tube.
Above two scheme is able to solve technical problem caused by U-tube oblique cutting, but compared to the insertion of straight tube shown in Fig. 9
Scheme, scheme of the single row fin in conjunction with multiple rows of fin shown in Figure 11, due to can be by the way of U-tube oblique cutting, this
Sample can reduce the welding capacity of elbow, can save a large amount of time, so as to improve production efficiency.
In order to further decrease the insertion difficulty of oblique cutting U-tube, as shown in figure 11, end plate 14 is close to the first heat exchanger tube 211
First end setting, the first end of the first heat exchanger tube 211 is the first heat exchanger tube 211 close to one end of third fin component 13;Or
Person's end plate 14 is arranged close to the first end of the second heat exchanger tube 221, and the first end of the second heat exchanger tube 221 is that the second heat exchanger tube 221 leans on
One end of nearly second fin component 12.By above-mentioned setting, so that most fins (the first fin of oblique cutting U-tube insertion
1) it is integral structure, the insertion difficulty of oblique cutting U-tube can be further reduced in this way, saves the insertion time, but also make
Fin is more difficult to lodge, and further reduced the scrappage of U-tube.
Wherein, as shown in figure 11, the distance between first end of end plate 14 and the second heat exchanger tube 221 can for 10~
100mm。
In the embodiment that multiple first flow path 23, multiple second flow paths 24 are arranged along the thickness direction of heat exchanger body 10
In, as shown in figure 5, multiple first heat exchanger tubes row 21 and the second heat exchanger tube row 22 are formed by way of U-tube plug flat.
Due to the problem of plug flat technics comparing is mature, and jack of U-tube during insertion on fin is not in dislocation, therefore,
In the embodiment insertion of U-tube be easier to, the scrappage of U-tube it is low, the insertion process in U-tube can be avoided to greatest extent
Middle fin lodges, and can be suitble to produce in enormous quantities;In addition, as shown in figure 5, due to multiple first flow path 23 and multiple
Two flow paths 24 are arranged along the thickness direction along heat exchanger body 10, so that multiple first flow path 23 and multiple the
The difference in height of two flow paths 24 is smaller, greatly reduces the influence that gravity distributes refrigerant in this way, so that multiple first flow path
The flow of each in each of 23 flows equal (either close to equal) and multiple second flow paths 24 is equal (or to be connect
It is close equal).
In the embodiment that multiple first flow path 23, multiple second flow paths 24 are arranged along the thickness direction of heat exchanger body 10
In, as shown in figure 15, set 211 numbers of the first heat exchanger tube are permissible in each first flow path 23 and each second flow path 24
It is two, that is: the first heat exchanger tubes 211 of each first flow path 23 and each second flow path 24 including two concatenations;
In addition, as shown in figure 5,211 numbers of the first heat exchanger tube set in each first flow path 23 and each second flow path 24
It can be at least three, such as four, that is: each first flow path 23 and each second flow path 24 include at least three
First heat exchanger tube 211 of concatenation.Compared to the first heat exchanger tube set in each first flow path 23 and each second flow path 24
The embodiment that 211 numbers are at least three, the first set heat exchange in each first flow path 23 and each second flow path 24
The embodiment that 211 numbers of pipe are two, can shorten the process of refrigerant, reduce the crushing of refrigerant, when heat exchanger makees evaporator,
The crushing for reducing refrigerant can also reduce to avoid evaporator refrigerant temperature, and the heat transfer temperature difference for guaranteeing refrigerant between the air-flow that exchanges heat guarantees
In default range, to guarantee the exchange capability of heat of heat exchanger in the range of requiring;In addition, the process for shortening refrigerant can also be with
Reduce temperature difference of the refrigerant in first flow path 23, second flow path 24, to guarantee the temperature difference to exchange heat between air-flow and refrigerant
It is smaller that (on same first heat exchanger tube row 21, with the increase of heat exchange process, refrigerant is gradually to become along its flow direction temperature
Change, and exchanging air stream by first heat exchanger tube row 21 when temperature be constant, so that refrigerant with exchange heat air-flow part
With certain temperature difference), heat exchange loss is reduced, is conducive to improve heat exchanger unit volume heat exchange amount.
In heat exchanger provided in an embodiment of the present invention, the number of set of heat exchange tubes 2 can be one, in addition, as shown in Fig. 2,
The number of set of heat exchange tubes 2 be or it is multiple, multiple set of heat exchange tubes 2 along heat exchanger body 10 short transverse arrange.It compares
One set of heat exchange tubes 2 is set, and multiple set of heat exchange tubes 2, which are arranged, can be improved the heat exchange area of heat exchanger, change so as to improve this
The exchange capability of heat of hot device.
In set of heat exchange tubes 2, as shown in figure 3, the number of the second heat exchanger tube row 22 can be one, in addition, such as Fig. 6 institute
Show, the number of the second heat exchanger tube row 22 may be it is multiple, multiple second heat exchanger tubes row 22 is along the thickness side of heat exchanger body 10
To arrangement, and it is respectively positioned on the same side of each first heat exchanger tube row 21, each second heat exchanger tube row 22 includes changing along described
Multiple second heat exchanger tubes 221 of the short transverse arrangement of hot device ontology 10, and often ranked second in heat exchanger tube row 22 multiple the
The connection of two heat exchanger tubes 221 forms third subflow road 251 and the 4th subflow for being separated by setting along the short transverse of heat exchanger body 10
Road 261, multiple third subflows road 251 are sequentially connected in series, and to form third flow path 25, multiple 4th subflow roads 261 are sequentially connected in series, with
Form the 4th flow path 26;In outermost second heat exchanger tube row 22, along the short transverse of heat exchanger body 10, third subflow road
One end port on 251 close to the 4th subflow road 261 is the first port O of third flow path 25, on the 4th subflow road 261
One end port close to third subflow road 251 is the first port P of the 4th flow path 26;Or it is carried on the back on third subflow road 251
One end port from the 4th subflow road 261 is the first port of third flow path 25, is deviated from the 4th subflow road 261 described
One end port on third subflow road 251 is the first port of the 4th flow path 26.Compared to multiple second heat exchanger tube rows 22 are arranged, it is arranged
One the second heat exchanger tube row 22, can further shorten the process of refrigerant, further decrease the crushing of refrigerant, so as to so that system
Cryogen specific volume, evaporator refrigerant temperature tend to be constant, to guarantee the exchange capability of heat of heat exchanger in the range of requiring.
Second aspect, the embodiment of the invention provides a kind of air conditioners, including heat exchanger described in first aspect.
Wherein, which can be the heat exchanger of air-conditioner outdoor unit, be also possible to the heat exchanger of air conditioner indoor unit, herein
It is not specifically limited.
The technical effect of the technical issues of air conditioner provided in an embodiment of the present invention is solved and generation, and first party
The technical effect of the technical issues of heat exchanger in face is solved and generation is identical, and details are not described herein.
In addition, working as the heat exchanger applications in air-conditioner outdoor unit and in winter in use, the heat exchanger can also be improved
The uniformity of frosting, in this way under defrosting operating condition, heat exchanger is more easier to defrost, to reduce defrosting time, and defrosting time
It reduces, then can reduce the time that air conditioner indoor unit stops blowing warm wind, avoid room temperature decline too many, so as to promote use
The experience at family.
Known to those skilled in the art as the other structures of air conditioner, details are not described herein.
In the description of this specification, particular features, structures, materials, or characteristics can be real in any one or more
Applying can be combined in any suitable manner in example or example.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (15)
1. a kind of heat exchanger, including heat exchanger body, the heat exchanger body includes fin component and passes through the fins set
The set of heat exchange tubes of part setting, which is characterized in that
The set of heat exchange tubes includes the first heat exchanger tube row arranged along the thickness direction of the heat exchanger body and the second heat exchanger tube
Row, the first heat exchanger tube row include multiple first heat exchanger tubes arranged along the short transverse of the heat exchanger body, Duo Gesuo
State the second flow path that the first heat exchanger tube connects the first flow path to form multiple parallel connections and multiple parallel connections;The second heat exchanger tube row
Multiple second heat exchanger tubes including the short transverse arrangement along the heat exchanger body, multiple second heat exchanger tubes connect to be formed
Third flow path and the 4th flow path, the third flow path and the 4th flow path include at least two be sequentially connected in series together with institute
The second heat exchanger tube is stated,
Along the short transverse of the heat exchanger body, the third flow path and the 4th flow path are separated by setting, and described the
The first port of three flow paths and the first port of the 4th flow path are located at the third flow path, the 4th flow path each other
Opposite or opposite one end, the second port of the third flow path is connected with multiple first flow path, so that described
Third flow path and multiple first flow path form the first branch, the second port of the 4th flow path and multiple seconds
Road is connected, so that the 4th flow path and multiple second flow paths form second branch, the first branch and described
Second branch is in parallel.
2. heat exchanger according to claim 1, which is characterized in that the number of the second heat exchanger tube described in the third flow path
For a, the number of the second heat exchanger tube described in the 4th flow path is b, a and b satisfaction: a=b.
3. heat exchanger according to claim 2, which is characterized in that a=b=2.
4. heat exchanger described in any one of claim 1 to 3, which is characterized in that the number of the first heat exchanger tube row
To be multiple, multiple first heat exchanger tube rows arrange along the thickness direction of the heat exchanger body, and are respectively positioned on described second and change
The same side of heat pipe row, first heat exchanger tube in multiple first heat exchanger tubes rows connect to be formed it is multiple described first-class
Road.
5. heat exchanger according to claim 4, which is characterized in that multiple first flow path and multiple seconds
Road is separated by arrangement along the short transverse of the heat exchanger body, and along the short transverse of the heat exchanger body, Duo Gesuo
State the same side that first flow path is respectively positioned on each second flow path.
6. heat exchanger according to claim 5, which is characterized in that multiple described the in each first heat exchanger tube row
One heat exchanger tube, which corresponds, to be distributed in multiple first flow path and multiple second flow paths.
7. heat exchanger according to claim 5, which is characterized in that the fin component include end plate, the first fin component,
Second fin component and multiple third fin components, first fin component include multiple first fins, and each described
One fin is structure as a whole, and second fin component includes multiple second fins, and each third fin component wraps
Include multiple third fins;
Multiple first heat exchanger tube rows correspond with multiple third fin components, and each first heat exchanger tube row is equal
Sequentially pass through multiple first fins, the end plate, the corresponding third fin component in first fin component
In multiple third fins settings, the second heat exchanger tube row sequentially passes through multiple described in first fin component
First fin, the end plate, multiple second fins settings in second fin component;
For multiple first heat exchanger tubes in each first flow path and each second flow path, along the stream of refrigerant
Dynamic direction, at least a pair of first heat exchanger tube is located in the first heat exchanger tube row of adjacent two, and connects and to be formed
The U-tube of integral structure.
8. heat exchanger according to claim 7, which is characterized in that first end of the end plate close to first heat exchanger tube
Setting, the first end of first heat exchanger tube are first heat exchanger tube close to one end of the third fin component;
Or the end plate is arranged close to the first end of second heat exchanger tube, the first end of second heat exchanger tube is described the
Two heat exchanger tubes are close to one end of second fin component.
9. heat exchanger according to claim 4, which is characterized in that multiple first flow path and multiple seconds
Road is separated by arrangement along the thickness direction of the heat exchanger body, and along the short transverse of the heat exchanger body, Duo Gesuo
State the same side that first flow path is respectively positioned on each second flow path.
10. heat exchanger according to claim 9, which is characterized in that each first flow path and each described second
Flow path includes first heat exchanger tube of two concatenations.
11. heat exchanger described in any one of claim 1 to 3, which is characterized in that the number of the first flow path is m,
The number of the second flow path is n, m and n satisfaction: m=n.
12. heat exchanger according to claim 11, which is characterized in that m=n=2.
13. heat exchanger described in any one of claim 1 to 3, which is characterized in that the heat exchanger body is bent to form
Multiple heat exchanger sections, multiple heat exchanger sections along the extending direction of first heat exchanger tube or second heat exchanger tube successively
Connect.
14. heat exchanger described in any one of claim 1 to 3, which is characterized in that the number of the set of heat exchange tubes is more
A, multiple set of heat exchange tubes are arranged along the short transverse of the heat exchanger body.
15. a kind of air conditioner, which is characterized in that including heat exchanger described in any one of claim 1~14.
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