CN207438948U - Heat exchanger, indoor unit and air conditioner - Google Patents
Heat exchanger, indoor unit and air conditioner Download PDFInfo
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- CN207438948U CN207438948U CN201721587230.8U CN201721587230U CN207438948U CN 207438948 U CN207438948 U CN 207438948U CN 201721587230 U CN201721587230 U CN 201721587230U CN 207438948 U CN207438948 U CN 207438948U
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Abstract
The utility model discloses a kind of heat exchanger, indoor unit and air conditioners, the heat exchanger includes preceding heat-exchanging component and rear heat-exchanging component, preceding heat-exchanging component includes being sequentially communicated, and respectively by multiple preceding set of heat exchange tubes into the first set of heat exchange tubes, the second set of heat exchange tubes and the 3rd set of heat exchange tubes of refrigerant flow pipe；First set of heat exchange tubes and the 3rd set of heat exchange tubes are located at the top of preceding heat-exchanging component, and the first set of heat exchange tubes is located at the windward side of the 3rd set of heat exchange tubes, and the second set of heat exchange tubes is located at the lower part of preceding heat-exchanging component；Heat-exchanging component includes the 4th set of heat exchange tubes by multiple rear set of heat exchange tubes into refrigerant flow pipe afterwards, and the refrigerant inlet of the 4th set of heat exchange tubes is connected with the first set of heat exchange tubes, and refrigerant exit is connected with the 3rd set of heat exchange tubes；The refrigerant general import of heat exchanger is located on the preceding heat exchanger tube in the first set of heat exchange tubes, and refrigerant general export is located on the preceding heat exchanger tube in the 3rd set of heat exchange tubes.The utility model improves the structure of heat exchanger, improves the overall heat exchange efficiency of heat exchanger.
Description
Technical field
The utility model is related to a kind of air conditioner technical field more particularly to heat exchanger, air conditioner room unit and air conditioners.
Background technology
In the prior art, the evaporator of air conditioner room unit include multiple interconnected heat exchanger tubes, when air conditioner into
During row refrigeration, the refrigerant in heat exchanger tube is by evaporation endothermic, to reduce the air themperature for flowing through heat exchanger, so as to reach refrigeration
Purpose.
But the evaporation characteristic according to refrigerant in heat exchanger tube, it is in a part of heat exchanger tube nearer apart from refrigerant inlet
Liquid refrigerants is gaseous coolant in a part of heat exchanger tube of refrigerant inlet farther out, in intermediate a part of heat exchanger tube
It is then gas-liquid two-phase refrigerant, wherein, the coefficient of heat transfer of gas-liquid two-phase refrigerant is higher than the coefficient of heat transfer and gaseous coolant of liquid refrigerants
The coefficient of heat transfer.Therefore, the heat exchange efficiency of the heat exchanger tube with gas-liquid two-phase refrigerant is higher, has liquid refrigerants or gaseous coolant
Heat exchanger tube heat exchange efficiency it is relatively low, can cause the heat exchange of heat exchanger everywhere not uniform enough as a result, so as to influence the whole of heat exchanger
Body heat exchange efficiency.
Utility model content
The main purpose of the utility model is that provide a kind of heat exchanger, it is intended to improve the overall heat exchange efficiency of heat exchanger.
To achieve the above object, the utility model proposes a kind of heat exchanger, the preceding heat exchange group including being in inverted " v " shape setting
Part and rear heat-exchanging component,
The preceding heat-exchanging component has the top being connected with the rear heat-exchanging component and the lower part away from the top, before described
Heat-exchanging component is included respectively by multiple preceding set of heat exchange tubes into the first set of heat exchange tubes of refrigerant flow pipe, the second set of heat exchange tubes and the
Three set of heat exchange tubes, first set of heat exchange tubes, second set of heat exchange tubes and the 3rd set of heat exchange tubes are sequentially communicated；Described
One set of heat exchange tubes and the 3rd set of heat exchange tubes are located at the top of the preceding heat-exchanging component, and first set of heat exchange tubes is located at described
The windward side of 3rd set of heat exchange tubes, second set of heat exchange tubes are located at the lower part of the preceding heat-exchanging component；
Heat-exchanging component includes the 4th set of heat exchange tubes into refrigerant flow pipe by set of heat exchange tubes after multiple after described, and described the
The refrigerant inlet of four set of heat exchange tubes is connected with the refrigerant exit of first set of heat exchange tubes, and the refrigerant of the 4th set of heat exchange tubes goes out
Mouth is connected with the 3rd set of heat exchange tubes；
The refrigerant general import of the heat exchanger is located on the preceding heat exchanger tube for forming first set of heat exchange tubes, the heat exchanger
Refrigerant general export be located on the preceding heat exchanger tube for forming the 3rd set of heat exchange tubes.
Preferably, the preceding heat exchanger tube on the preceding heat-exchanging component is divided into interior from the leeward side of the preceding heat-exchanging component to windward side
Outer two rows, and arrange the preceding heat exchanger tube outside and be sequentially communicated from top to the lower part of the preceding heat-exchanging component, preceding heat exchange described in interior row
Pipe is sequentially communicated from top to the lower part of the preceding heat-exchanging component；
The lower part of the preceding heat-exchanging component has the lower end away from its upper part, is located at institute in the inside and outside two rows preceding heat exchanger tube
The two preceding heat exchanger tubes of the lower end of heat-exchanging component communicate with each other before stating；
Set of heat exchange tubes is into first set of heat exchange tubes before the outer row on the preceding heat-exchanging component top, changes before described
Set of heat exchange tubes is into the 3rd set of heat exchange tubes before the interior row on hot component top, the inside and outside two rows positioned at the preceding heat-exchanging component lower part
The preceding set of heat exchange tubes is into second set of heat exchange tubes.
Preferably, the rear heat-exchanging component has under the upper end being connected with the preceding heat-exchanging component and the separate upper end
It holds, the rear heat exchanger tube on the rear heat-exchanging component is divided into inside and outside two rows, outer row from the leeward side of the rear heat-exchanging component to windward side
Heat exchanger tube is sequentially communicated upper end to the lower end of heat-exchanging component after described after described, described in interior row after heat exchanger tube heat exchange after described
The upper end of component to lower end is sequentially communicated, and is located at two institutes of the rear heat-exchanging component lower end in the inside and outside two rows rear heat exchanger tube
It states rear heat exchanger tube to communicate with each other, to form the 4th set of heat exchange tubes；
It is located at the rear heat exchanger tube of the rear heat-exchanging component upper end and first set of heat exchange tubes after described in outer row in heat exchanger tube
Refrigerant exit connection；The rear heat exchanger tube for being located at the rear heat-exchanging component upper end after described in interior row in heat exchanger tube is changed with the described 3rd
The refrigerant inlet connection of heat pipe heat.
Preferably, refrigerant inlet and a refrigerant general export there are two the 3rd set of heat exchange tubes tools, the described 3rd
One of refrigerant inlet of set of heat exchange tubes is connected with the refrigerant exit of second set of heat exchange tubes, the 3rd set of heat exchange tubes
Other in which refrigerant inlet is connected with the refrigerant exit of the 4th set of heat exchange tubes, and the refrigerant general export is located at described in composition
In 3rd set of heat exchange tubes between the two adjacent preceding heat exchanger tubes.
Preferably, the length for often arranging the adjacent two preceding heat exchanger tube connection center line in the preceding heat exchanger tube is L1, often arranges institute
State in rear heat exchanger tube adjacent two it is described after the length of heat exchanger tubes connection center lines be L2, be located in two rows of preceding heat exchanger tubes it is described before
The length of the two preceding heat exchanger tubes connection center lines of heat-exchanging component lower end is L3, it is two rows of it is described after be located in heat exchanger tubes it is described after change
The length of the two rear heat exchanger tube connection center lines of hot component lower end is L4, wherein, L1=L2=L3=L4, and 14mm≤L1≤
17mm。
Preferably, the caliber for forming the preceding heat exchanger tube of first set of heat exchange tubes is D1, forms second set of heat exchange tubes
Preceding heat exchanger tube caliber for D2, the caliber for forming the preceding heat exchanger tube of the 3rd set of heat exchange tubes is D3, and composition the described 4th changes
The caliber of the rear heat exchanger tube of heat pipe heat is D4, wherein, D1 and D3 are all higher than D2 and D4.
Preferably, the D1 and D2 meets：1.1≤D1/D2≤1.3；
The D1 and D4 meets：1.1≤D1/D4≤1.3；
The D2 and D3 meets：1.1≤D3/D2≤1.3；
The D3 and D4 meets：1.1≤D3/D4≤1.3.
Preferably, the D1=D3, the D2=D4.
Preferably, the quantity for forming the preceding heat exchanger tube of first set of heat exchange tubes is 6, forms second set of heat exchange tubes
Preceding heat exchanger tube quantity for 12, the quantity for forming the preceding heat exchanger tube of the 3rd set of heat exchange tubes is 4, composition the described 4th
The quantity of heat exchanger tube is 6 after the inside and outside two rows of set of heat exchange tubes.
Preferably, the quantity for forming the preceding heat exchanger tube of first set of heat exchange tubes is 6, forms second set of heat exchange tubes
Preceding heat exchanger tube quantity for 10, the quantity for forming the preceding heat exchanger tube of the 3rd set of heat exchange tubes is 6, composition the described 4th
The quantity of heat exchanger tube is 6 after the inside and outside row of set of heat exchange tubes；
The caliber for being located at the two rear heat exchanger tubes of the rear heat-exchanging component upper end after described in interior row in heat exchanger tube is D5, and
And the D5=D3.
The utility model also proposes a kind of indoor unit, and the indoor unit includes heat exchanger as described above, the heat exchanger bag
The preceding heat-exchanging component set in inverted " v " shape and rear heat-exchanging component are included,
The preceding heat-exchanging component has the top being connected with the rear heat-exchanging component and the lower part away from the top, before described
Heat-exchanging component is included respectively by multiple preceding set of heat exchange tubes into the first set of heat exchange tubes of refrigerant flow pipe, the second set of heat exchange tubes and the
Three set of heat exchange tubes, first set of heat exchange tubes, second set of heat exchange tubes and the 3rd set of heat exchange tubes are sequentially communicated；Described
One set of heat exchange tubes and the 3rd set of heat exchange tubes are located at the top of the preceding heat-exchanging component, and first set of heat exchange tubes is located at described
The windward side of 3rd set of heat exchange tubes, second set of heat exchange tubes are located at the lower part of the preceding heat-exchanging component；
Heat-exchanging component includes the 4th set of heat exchange tubes into refrigerant flow pipe by set of heat exchange tubes after multiple after described, and described the
The refrigerant inlet of four set of heat exchange tubes is connected with the refrigerant exit of first set of heat exchange tubes, and the refrigerant of the 4th set of heat exchange tubes goes out
Mouth is connected with the 3rd set of heat exchange tubes；
The refrigerant general import of the heat exchanger is located on the preceding heat exchanger tube for forming first set of heat exchange tubes, the heat exchanger
Refrigerant general export be located on the preceding heat exchanger tube for forming the 3rd set of heat exchange tubes.
The utility model also proposes a kind of air conditioner, which includes outdoor unit and indoor unit as described above.
The utility model is by making the first set of heat exchange tubes with refrigerant general import and the with refrigerant general export the 3rd
Set of heat exchange tubes is distributed on the top of preceding heat-exchanging component along air-flow direction, will be connected respectively with the refrigerant exit of the first set of heat exchange tubes
Logical the second set of heat exchange tubes and the 4th set of heat exchange tubes is separately positioned on the lower part and rear heat-exchanging component of preceding heat-exchanging component, and by
The refrigerant exit of two set of heat exchange tubes and the refrigerant exit of the 4th set of heat exchange tubes connect respectively with the 3rd set of heat exchange tubes.Work as sky as a result,
Device is adjusted when being freezed, the first set of heat exchange tubes with liquid refrigerants and the 3rd set of heat exchange tubes with gaseous coolant and flow velocity compared with
Fast air carries out heat exchange, the second set of heat exchange tubes and the 4th set of heat exchange tubes and the slower sky of flow velocity with gas-liquid two-phase refrigerant
Gas carries out heat exchange, and then makes the heat exchange of heat exchanger everywhere more uniform, overall heat exchange efficiency higher.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of one embodiment of the utility model heat exchanger；
Fig. 2 is the structure diagram of another embodiment of the utility model heat exchanger.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the creative labor premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description in " first ", " second " etc. involved in the utility model is only used for description purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or can not realize when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain within.
The utility model proposes a kind of heat exchangers.
With reference to Fig. 1, in one embodiment, the utility model proposes heat exchanger include changing before setting in inverted " v " shape
Hot component 20 and rear heat-exchanging component 30, preceding heat-exchanging component 20 have the top that be connected with rear heat-exchanging component 30 and the separate top
Lower part, also, preceding heat-exchanging component 20 further includes the first heat exchanger tube for being made of refrigerant flow pipe multiple preceding heat exchanger tubes 22 respectively
The 23, second set of heat exchange tubes 24 of group and the 3rd set of heat exchange tubes 25, the first set of heat exchange tubes 23, the second set of heat exchange tubes 24 and the 3rd heat exchanger tube
Group 25 is sequentially communicated.
Wherein, the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25 are located at the top of preceding heat-exchanging component 20, the first heat exchanger tube
Group 23 is located at the windward side of the 3rd set of heat exchange tubes 25, and the second set of heat exchange tubes 24 is located at the lower part of preceding heat-exchanging component 20.Also, it exchanges heat
The refrigerant general import 26 of device is located on the preceding heat exchanger tube 22 of the first set of heat exchange tubes 23 of composition, and the refrigerant general export 27 of heat exchanger is located at
On the preceding heat exchanger tube 22 for forming the 3rd set of heat exchange tubes 25.
In addition, rear heat-exchanging component 30 includes being made of the 4th set of heat exchange tubes of refrigerant flow pipe multiple rear heat exchanger tubes 32
33, the refrigerant inlet of the 4th set of heat exchange tubes 33 is connected with the refrigerant exit of the first set of heat exchange tubes 23, the 4th set of heat exchange tubes 33 it is cold
Matchmaker outlet is connected with the 3rd set of heat exchange tubes 25.
It is understood that after multiple on multiple preceding heat exchanger tubes 22 and rear heat-exchanging component 30 on current heat-exchanging component 20
After heat exchanger tube 32 is distributed in the manner described above, in air conditioner in process of refrigerastion is carried out, refrigerant can be from the refrigerant of heat exchanger
General import 26 is flowed into the first set of heat exchange tubes 23, is then separately flowed into the second set of heat exchange tubes 24 and the 4th set of heat exchange tubes 33
In, finally converge in the 3rd set of heat exchange tubes 25 and the refrigerant general export 27 through heat exchanger flows out.According to refrigerant in heat exchanger tube
Evaporation characteristic, at this point, substantially liquid refrigerant in the first set of heat exchange tubes 23, the second set of heat exchange tubes 24 and the 4th set of heat exchange tubes 33
In essentially gas-liquid two-phase refrigerant, in the 3rd set of heat exchange tubes 25 in essentially gaseous coolant, therefore, the second set of heat exchange tubes 24
The refrigerant coefficient of heat transfer with the 4th set of heat exchange tubes 33 is higher than the refrigerant heat exchange in the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25
Coefficient.
It should be noted that the heat exchanger of the present embodiment is mainly used for indoor unit, when in for indoor unit, it is subject to interior
The influence of machine structure, in the running, air is from preceding heat-exchanging component 20 and the windward side of rear heat-exchanging component 30 for the wind wheel 10 of indoor unit
(preceding heat-exchanging component 20 and rear heat-exchanging component 30 are away from the one side of wind wheel 10), the preceding heat-exchanging component 20 of flow direction and rear heat-exchanging component 30
Leeward side (preceding heat-exchanging component 20 and rear heat-exchanging component 30 towards the one side of wind wheel 10), and air flows through the wind speed on heat exchanger top
More than the wind speed for flowing through heat exchanger lower part, that is, air flow through the speed of the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25 compared with
Height so as to improve the heat exchange efficiency of refrigerant in the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25, changes each several part of heat exchanger
Heat is more uniform, to improve the overall heat exchange efficiency of heat exchanger.
It should be noted that when air conditioner is heated, flow direction of the refrigerant in heat exchanger is carried out with air conditioner
During refrigeration, flow direction of the refrigerant in heat exchanger on the contrary, its that each several part of heat exchanger can equally be made to exchange heat is more uniform, with
The overall heat exchange efficiency of heat exchanger is improved, details are not described herein again.
In the present embodiment, as shown in Figure 1, preceding heat exchanger tube 22 before can making on heat-exchanging component 20 is from the preceding heat-exchanging component 20
Leeward side to windward side be divided into inside and outside two rows, wherein, before outer row heat exchanger tube 22 from top to the lower part of preceding heat-exchanging component 20 according to
Secondary connection, heat exchanger tube 22 is also sequentially communicated from top to the lower part of preceding heat-exchanging component 20 before interior row, also, it is inside and outside it is two rows of before heat exchange
Heat exchanger tube 22 communicates with each other before the two of the lower end of preceding heat-exchanging component 20 in pipe 22.
It is then possible to the heat exchanger tube 22 before the outer row on preceding 20 top of heat-exchanging component is made to form the first set of heat exchange tubes 23, position
Heat exchanger tube 22 forms the 3rd set of heat exchange tubes 25 before the interior row on preceding 20 top of heat-exchanging component, in preceding 20 lower part of heat-exchanging component
Heat exchanger tube 22 forms the second set of heat exchange tubes 24 before outer two rows, so that the first set of heat exchange tubes 23, the second set of heat exchange tubes 24 and the 3rd
The refrigerant flow pipe distribution that multiple preceding heat exchanger tubes 22 in set of heat exchange tubes 25 are formed is more reasonable, heat-exchanging component 20 before making
Heat exchange efficiency higher.
In addition, rear heat-exchanging component 30 has the upper end being connected with preceding heat-exchanging component 20 and the lower end away from its upper part, this reality
It applies in example, as shown in Figure 1, rear heat exchanger tube 32 on rear heat-exchanging component 30 can be made from the leeward side of the rear heat-exchanging component 30 to meeting
Wind side is divided into inside and outside two rows, wherein, heat exchanger tube 32 is sequentially communicated from upper end to the lower end of rear heat-exchanging component 30 after outer row, after interior row
Heat exchanger tube 32 is also sequentially communicated from upper end to the lower end of rear heat-exchanging component 30, and is exchanged heat after being located at after inside and outside two rows in heat exchanger tube 32
Heat exchanger tube 32 communicates with each other after the two of 30 lower end of component, to form the 4th set of heat exchange tubes 33.Thereby, it is possible to make the 4th set of heat exchange tubes
The refrigerant flow pipe distribution that multiple rear heat exchanger tubes 32 in 33 are formed is more reasonable, makes the heat exchange efficiency of rear heat-exchanging component 30
Higher.
Wherein it is possible to the rear heat exchanger tube 32 and first after outer row in heat exchanger tube 32 positioned at rear 30 upper end of heat-exchanging component is made to exchange heat
The refrigerant exit connection of pipe group 23 makes the rear heat exchanger tube 32 and the 3rd for being located at rear 30 upper end of heat-exchanging component after outer row in heat exchanger tube 32
The refrigerant inlet connection that 25 groups of heat exchanger tube is exchanged heat the 4th set of heat exchange tubes 33 with reducing with the first set of heat exchange tubes 23 and the 3rd respectively
Extension group 25 connects required connection length of tube, reduces the manufacturing cost of heat exchanger.
It should be noted that multiple preceding heat exchanger tubes 22 before can individually making in heat exchange tube assemblies 20 are carried out according to upper type
Arrangement can also individually make multiple rear heat exchanger tubes 32 in rear heat exchange tube assemblies 30 arrange according to upper type, alternatively, may be used also
So that heat exchanger tubes 32 are pressed simultaneously after multiple on multiple preceding heat exchanger tubes 22 and rear heat exchange tube assemblies 30 in preceding heat exchange tube assemblies 20
It arranges according to upper type.Certainly, on the multiple preceding heat exchanger tubes 22 and rear heat exchange tube assemblies 30 in current heat exchange tube assemblies 20
Heat exchanger tube 32 is arranged simultaneously according to upper type after multiple, the overall heat exchange efficiency higher of heat exchanger.
In the present embodiment, as shown in Figure 1, can make the 3rd set of heat exchange tubes 25 tool, there are two refrigerant inlet and a refrigerant are total
Outlet 27, one of refrigerant inlet of the 3rd set of heat exchange tubes 25 is connected with the refrigerant exit of the second set of heat exchange tubes 24, and the 3rd changes
The other in which refrigerant inlet of heat pipe heat 25 is connected with the refrigerant exit of the 4th set of heat exchange tubes 33, so as to reduce by the 3rd heat exchanger tube
Group 25 is connected required connecting tube total length with the second set of heat exchange tubes 24 and the 4th set of heat exchange tubes 33 respectively.
Wherein it is possible to make refrigerant general export 27 be located at adjacent two in the 3rd set of heat exchange tubes 25 of composition before heat exchanger tube 22 it
Between, so that gaseous refrigerant is flashed to from the second set of heat exchange tubes 24 and the 4th set of heat exchange tubes 33 can be flowed into the 3rd heat exchange
In pipe group 25, and heat exchange is carried out on the top of preceding heat-exchanging component 20 and air.
It is of course also possible to make the 3rd set of heat exchange tubes 25 tool there are one refrigerant inlet and a refrigerant general export 27, then second
The same refrigerant of the refrigerant exit of set of heat exchange tubes 24 and the refrigerant exit of the 4th set of heat exchange tubes 33 with the 3rd set of heat exchange tubes 25
Inlet communication.
When multiple preceding heat exchanger tubes 22, Yi Ji in the first set of heat exchange tubes 23, the second set of heat exchange tubes 24, the 3rd set of heat exchange tubes 25
When multiple rear heat exchanger tubes 32 in four set of heat exchange tubes 33 are distributed simultaneously using aforesaid way, as shown in Figure 1, often heat exchange before row
Heat exchanger tube 22 connects the length of center line as L1 before adjacent two in pipe 22, after often arranging adjacent two in heat exchanger tube 32 after heat exchanger tube 32 connect
The length of center line is L2, and heat exchanger tube 22 connects center line before being located at the two of preceding 20 lower end of heat exchange tube assemblies before two rows of in heat exchanger tube 22
Length is L3, and the length that heat exchanger tube 32 connects center line after the two of rear 30 lower end of heat exchange tube assemblies in heat exchanger tube 32 after two rows is
L4.In the present embodiment, L1=L2=L3=L4 can be made, and make 14mm≤L1≤17mm, so that more on preceding heat-exchanging component 20
Multiple rear heat exchanger tubes 32 on a preceding heat exchanger tube 22 and rear heat-exchanging component 30 are distributed more uniformly, to improve the whole of heat exchanger
Body heat exchange efficiency.
Certainly, multiple preceding heat exchanger tubes 22 in the first set of heat exchange tubes 23, the second set of heat exchange tubes 24 and the 3rd set of heat exchange tubes 25,
And the 4th heat exchanger tubes 32 after multiple in set of heat exchange tubes 33 can also according to other distributions, specifically can according to can before heat-exchanging component
20 and rear heat-exchanging component 30 structure depending on.Such as：It can make multiple preceding heat exchanger tubes 22, Huo Zhe in the first set of heat exchange tubes 23
Leeward side to the windward side of multiple preceding heat exchanger tube 22 from preceding heat-exchanging components 20 in three set of heat exchange tubes 25 is divided into inside and outside two rows, and makes
Heat exchanger tube 22 is interconnected before the inside and outside two rows.
On the basis of above-mentioned any one embodiment, as shown in Figure 1, the preceding heat exchanger tube 22 of the first set of heat exchange tubes 23 of composition
Caliber is D1, and the caliber for forming the preceding heat exchanger tube 22 of the second set of heat exchange tubes 24 is D2, forms the preceding heat exchange of the 3rd set of heat exchange tubes 25
The caliber of pipe 22 is D3, and the caliber for forming the rear heat exchanger tube 32 of the 4th set of heat exchange tubes 33 is D4.In the present embodiment, D1 can be increased
And D3, D1 and D3 is made to be all higher than D2 and D4, so as to the system that exchanges heat to the refrigerant in the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25
Number is strengthened, to improve the heat exchange efficiency of the first set of heat exchange tubes 23 and the 3rd set of heat exchange tubes 25.
Wherein, D1 can be according to 22 quantity of preceding heat exchanger tube, each set of heat exchange tubes on preceding heat-exchanging component 20 with the increased degree of D3
Depending on situations such as wind speed that place flows through.Such as：D1 can be made to increase to D1 and D2 to meet：1.1≤D1/D2≤1.3, and D1 and
D4 meets：1.1≤D1/D4≤1.3；And D3 is made to increase to D2 and D3 and is met：1.1≤D3/D2≤1.3, and D3 and D4 meets：
1.1≤D3/D4≤1.3, so that the reinforcing of the first set of heat exchange tubes 23 and the refrigerant coefficient of heat transfer in the 3rd set of heat exchange tubes 25 is more
Adduction is managed, and is avoided the reinforcing of the first set of heat exchange tubes 23 and the refrigerant coefficient of heat transfer in the 3rd set of heat exchange tubes 25 excessively high or is just led
Heat exchanger is caused to exchange heat everywhere uneven, cause the reduction of heat exchanger overall heat exchange efficiency.
It should be noted that D1=D3 can be made, and D2=D4, D1 and D3 can also be made different, alternatively, making D2 and D4 not
Together.Certainly, work as D1=D3, and during D2=D4, the structure of preceding heat-exchanging component 20 and rear heat-exchanging component 30 can be simplified, improve heat exchange
The whole of device manufactures efficiency.
It should be noted that heat exchanger tube 22 before the caliber and adjacent two of multiple preceding heat exchanger tubes 22 on current heat-exchanging component 20
Connect center line length and, heat exchanger tube 32 connects after the calibers and adjacent two of heat exchanger tubes 32 after multiple on rear heat-exchanging component 30
When connecing the length of center line and meeting above-mentioned requirements simultaneously, the promotion of heat exchanger overall heat exchange efficiency is more preferable.Such as：Work as L1=L2=L3
During=L4=17mm, D1=D3, D2=D4, and D1/D2=1.1, heat exchanger has better overall heat exchange efficiency.
In the present embodiment, the preceding heat exchanger tube 22 in the first set of heat exchange tubes 23, the second set of heat exchange tubes 24, the 3rd set of heat exchange tubes 25
Quantity can be depending on the structure of preceding heat-exchanging component 20, the quantity of the rear heat exchanger tube 32 in the 4th set of heat exchange tubes 33 can be after
Depending on the structure of heat-exchanging component 30.Such as shown in Fig. 1, the quantity that can make the preceding heat exchanger tube 22 of the first set of heat exchange tubes of composition 23 is
6, the quantity for forming the preceding heat exchanger tube 22 of the second set of heat exchange tubes 24 is 12, forms the preceding heat exchanger tube 22 of the 3rd set of heat exchange tubes 25
Quantity for 4, the quantity of heat exchanger tube 32 is 6 after often the arranging of the 4th set of heat exchange tubes 33 of composition.
Alternatively, as shown in Fig. 2, the quantity of the preceding heat exchanger tube 22 of the first set of heat exchange tubes of composition 23 can also be made to be formed for 6
The quantity of the preceding heat exchanger tube 22 of second set of heat exchange tubes 24 is 10, and the quantity for forming the preceding heat exchanger tube 22 of the 3rd set of heat exchange tubes 25 is
6, composition the 4th set of heat exchange tubes 33 often arrange after heat exchanger tube 32 quantity be 6.Wherein it is possible to increase heat exchanger tube 32 after interior row
In be located at rear 30 upper end of heat-exchanging component two after heat exchanger tube 32 caliber D5, make D5 be more than D4, to strengthen the 4th set of heat exchange tubes 33
The coefficient of heat transfer of refrigerant in afterbody improves heat exchange efficiency.Wherein, D5 can be equal with D3, can also be unequal with D3, certainly,
As D3=D5, the overall structure of heat exchanger is simpler, and processing is more convenient.
On the basis of above-mentioned any one embodiment, as shown in Figures 1 and 2, preceding heat-exchanging component 20 can also be included side by side
The multiple preceding fins 21 set, multiple preceding heat exchanger tubes 22 are arranged on multiple preceding fins 21, so as to further improve preceding heat exchange group
The heat exchange efficiency of part 20.Heat-exchanging component 30 can also include the multiple rear fins 31 being arranged side by side afterwards, and multiple rear heat exchanger tubes 32 are worn
On multiple rear fins 31, so as to further improve the heat exchange efficiency of rear heat-exchanging component 30.
Wherein, preceding fin 21 and rear fin 31 can arc-shaped, strip set etc., specifically can be according to the structure of heat exchanger
Depending on.Certainly, current 21 arc-shaped setting of fin, and during rear 31 elongated setting of fin, the cooperation of heat exchanger and wind wheel 10
It is compacter, the volume of air conditioner room unit can be reduced.
In addition, it is necessary to illustrate, the preceding heat exchanger tube 22 or rear heat exchanger tube 32 on heat exchanger can be straight tube structure, also may be used
Think U pipe structures, the present embodiment is not restricted.Wherein, when the preceding heat exchanger tube 22 on heat exchanger or after heat exchanger tube 32 be U pipe structures
When, every U pipe is with two preceding heat exchanger tubes 22 or rear heat exchanger tube 32.
The utility model also proposes a kind of indoor unit and a kind of air conditioner with outdoor unit and the indoor unit, wherein, room
Interior machine includes all schemes of all embodiments of above-mentioned heat exchanger, and details are not described herein again.It is understood that due to this practicality
The air conditioner and air conditioner room unit of new proposition include all schemes of all embodiments of above-mentioned heat exchanger, therefore, at least
With the technique effect identical with the heat exchanger, do not illustrate one by one herein.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Conversion or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (12)
1. a kind of heat exchanger, including the preceding heat-exchanging component for being in inverted " v " shape setting and rear heat-exchanging component, which is characterized in that
The preceding heat-exchanging component has the top being connected with the rear heat-exchanging component and the lower part away from the top, exchanges heat before described
Component includes being changed by the first set of heat exchange tubes, the second set of heat exchange tubes and the 3rd of multiple preceding set of heat exchange tubes into refrigerant flow pipe respectively
Heat pipe heat, first set of heat exchange tubes, second set of heat exchange tubes and the 3rd set of heat exchange tubes are sequentially communicated；Described first changes
Heat pipe heat and the 3rd set of heat exchange tubes are located at the top of the preceding heat-exchanging component, and first set of heat exchange tubes is located at the described 3rd
The windward side of set of heat exchange tubes, second set of heat exchange tubes are located at the lower part of the preceding heat-exchanging component；
Heat-exchanging component is included by multiple rear set of heat exchange tubes into the 4th set of heat exchange tubes of refrigerant flow pipe after described, and the described 4th changes
The refrigerant inlet of heat pipe heat is connected with the refrigerant exit of first set of heat exchange tubes, the refrigerant exit of the 4th set of heat exchange tubes with
The 3rd set of heat exchange tubes connection；
The refrigerant general import of the heat exchanger is located on the preceding heat exchanger tube for forming first set of heat exchange tubes, the heat exchanger it is cold
Matchmaker's general export is located on the preceding heat exchanger tube for forming the 3rd set of heat exchange tubes.
2. heat exchanger as described in claim 1, which is characterized in that preceding heat exchanger tube on the preceding heat-exchanging component is from the preceding heat exchange
The leeward side of component to windward side is divided into inside and outside two rows, and arranges the preceding heat exchanger tube outside from the top of the preceding heat-exchanging component under
Portion is sequentially communicated, and preceding heat exchanger tube described in interior row is sequentially communicated from top to the lower part of the preceding heat-exchanging component；
The lower part of the preceding heat-exchanging component has the lower end away from its upper part, in the inside and outside two rows preceding heat exchanger tube before described
The two preceding heat exchanger tubes of the lower end of heat-exchanging component communicate with each other；
Set of heat exchange tubes is into first set of heat exchange tubes before the outer row on the preceding heat-exchanging component top, positioned at the preceding heat exchange group
Set of heat exchange tubes is into the 3rd set of heat exchange tubes before the interior row on part top, described in the inside and outside two rows positioned at the preceding heat-exchanging component lower part
Preceding set of heat exchange tubes is into second set of heat exchange tubes.
3. heat exchanger as claimed in claim 2, which is characterized in that heat-exchanging component has after described connects with the preceding heat-exchanging component
The upper end that connects and the lower end away from the upper end, it is described after rear heat exchanger tube on heat-exchanging component from the leeward side of the rear heat-exchanging component extremely
Windward side is divided into inside and outside two rows, and rear heat exchanger tube is sequentially communicated from upper end to the lower end of the rear heat-exchanging component described in outer row, interior row
Heat exchanger tube is sequentially communicated from upper end to the lower end of the rear heat-exchanging component after described, and is located in the inside and outside two rows rear heat exchanger tube
The two of the heat-exchanging component lower end rear heat exchanger tubes communicate with each other after described, to form the 4th set of heat exchange tubes；
Be located at after described in outer row in heat exchanger tube it is described after heat-exchanging component upper end rear heat exchanger tube and first set of heat exchange tubes it is cold
Matchmaker's outlet；It is located at the rear heat exchanger tube of the rear heat-exchanging component upper end and the 3rd heat exchanger tube after described in interior row in heat exchanger tube
The refrigerant inlet connection of group.
4. heat exchanger as claimed in claim 3, which is characterized in that there are two refrigerant inlet and one for the 3rd set of heat exchange tubes tool
A refrigerant general export, the refrigerant of the one of refrigerant inlet and second set of heat exchange tubes of the 3rd set of heat exchange tubes go out
Mouth connection, the other in which refrigerant inlet of the 3rd set of heat exchange tubes are connected with the refrigerant exit of the 4th set of heat exchange tubes,
The refrigerant general export is located between the two preceding heat exchanger tubes adjacent in composition the 3rd set of heat exchange tubes.
5. heat exchanger as claimed in claim 3, which is characterized in that often arrange the adjacent two preceding heat exchanger tube in the preceding heat exchanger tube
The length of center line is connected as L1, the adjacent two rear heat exchanger tubes in the rear heat exchanger tube is often arranged and connects the length of center lines as L2, two
The length for arranging the two preceding heat exchanger tube connection center lines in the preceding heat exchanger tube positioned at the preceding heat-exchanging component lower end is L3, two rows of
The length for being located at the two rear heat exchanger tubes connection center lines of the rear heat-exchanging component lower end after described in heat exchanger tube is L4, wherein,
L1=L2=L3=L4, and 14mm≤L1≤17mm.
6. the heat exchanger as described in claim 1 to 5 any one, which is characterized in that before composition first set of heat exchange tubes
The caliber of heat exchanger tube is D1, and the caliber for forming the preceding heat exchanger tube of second set of heat exchange tubes is D2, forms the 3rd heat exchanger tube
The caliber of the preceding heat exchanger tube of group is D3, and the caliber for forming the rear heat exchanger tube of the 4th set of heat exchange tubes is D4, wherein, D1 and D3 are equal
More than D2 and D4.
7. heat exchanger as claimed in claim 6, which is characterized in that
The D1 and D2 meets：1.1≤D1/D2≤1.3；
The D1 and D4 meets：1.1≤D1/D4≤1.3；
The D2 and D3 meets：1.1≤D3/D2≤1.3；
The D3 and D4 meets：1.1≤D3/D4≤1.3.
8. heat exchanger as claimed in claim 7, which is characterized in that the D1=D3, the D2=D4.
9. heat exchanger as claimed in claim 6, which is characterized in that the quantity of the preceding heat exchanger tube of composition first set of heat exchange tubes
For 6, the quantity for forming the preceding heat exchanger tube of second set of heat exchange tubes is 12, forms the preceding heat exchange of the 3rd set of heat exchange tubes
The quantity of pipe is 4, and the quantity of heat exchanger tube is 6 after the inside and outside two rows of composition the 4th set of heat exchange tubes.
10. heat exchanger as claimed in claim 6, which is characterized in that the number of the preceding heat exchanger tube of composition first set of heat exchange tubes
It measures as 6, the quantity for forming the preceding heat exchanger tube of second set of heat exchange tubes is 10, is changed before forming the 3rd set of heat exchange tubes
The quantity of heat pipe is 6, and the quantity of heat exchanger tube is 6 after the inside and outside row of composition the 4th set of heat exchange tubes；
The caliber for being located at the two rear heat exchanger tubes of the rear heat-exchanging component upper end after described in interior row in heat exchanger tube is D5, also,
The D5=D3.
11. a kind of indoor unit, which is characterized in that the indoor unit includes the heat exchange as described in claims 1 to 10 any one
Device.
12. a kind of air conditioner, which is characterized in that the air conditioner includes outdoor unit and indoor unit as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721587230.8U CN207438948U (en) | 2017-11-22 | 2017-11-22 | Heat exchanger, indoor unit and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721587230.8U CN207438948U (en) | 2017-11-22 | 2017-11-22 | Heat exchanger, indoor unit and air conditioner |
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| CN207438948U true CN207438948U (en) | 2018-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830658A (en) * | 2017-11-22 | 2018-03-23 | 广东美的制冷设备有限公司 | Heat exchanger, indoor set and air conditioner |
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2017
- 2017-11-22 CN CN201721587230.8U patent/CN207438948U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830658A (en) * | 2017-11-22 | 2018-03-23 | 广东美的制冷设备有限公司 | Heat exchanger, indoor set and air conditioner |
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