CN207635921U - Micro-channel flat, micro-channel heat exchanger and air conditioner - Google Patents

Micro-channel flat, micro-channel heat exchanger and air conditioner Download PDF

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Publication number
CN207635921U
CN207635921U CN201721779939.8U CN201721779939U CN207635921U CN 207635921 U CN207635921 U CN 207635921U CN 201721779939 U CN201721779939 U CN 201721779939U CN 207635921 U CN207635921 U CN 207635921U
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China
Prior art keywords
flat tube
micro
flat
channel
tube section
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CN201721779939.8U
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Chinese (zh)
Inventor
车雯
彭光前
于博
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model provides a kind of micro-channel flat, micro-channel heat exchanger and air conditioner, micro-channel flat:Flat tube ontology is provided with microchannel through-hole on flat tube ontology;Wherein, flat tube ontology is bending tube.The micro-channel flat of the utility model solves the problems, such as that micro-channel flat heat exchange property in the prior art is poor.

Description

Micro-channel flat, micro-channel heat exchanger and air conditioner
Technical field
The utility model is related to air-conditioner fields, in particular to a kind of micro-channel flat, micro-channel heat exchanger and sky Adjust device.
Background technology
With the development of air-conditioning heat exchanger technology, micro-channel heat exchanger due to its heat transfer efficiency it is high, it is small, light-weight, The advantages that cooling medium charging amount is few, compact-sized becomes the hot spot of industry high-performance heat exchanger research and concern.Microchannel is changed simultaneously Hot device is used as outer machine heat exchanger, in outer machine defrost, due to micro-channel heat exchanger fin be closely present in two flat tubes it Between, prevent defrosting water from smoothly flowing down from fin, to make defrosting water accumulate on micro-channel heat exchanger, enables frosting situation Deteriorate, influences micro-channel heat exchanger heat exchange property.
In addition, the micro-channel flat on micro-channel heat exchanger is due to the limitation of its structure, the heat exchange of existing micro-channel flat Performance is poor, generally requires to improve heat exchange property in conjunction with micro-channel heat exchanger fin, the cost is relatively high, and can causing White water accumulates on micro-channel heat exchanger, and frosting is enabled to be worse off, and influences micro-channel heat exchanger heat exchange property.
Utility model content
The main purpose of the utility model is to provide a kind of micro-channel flat, micro-channel heat exchanger and air conditioners, with solution The poor problem of micro-channel flat heat exchange property certainly in the prior art.
To achieve the goals above, the first aspect according to the present utility model provides a kind of micro-channel flat, packet It includes:Flat tube ontology is provided with microchannel through-hole on flat tube ontology;Wherein, flat tube ontology is bending tube.
Further, flat tube ontology is bent along the width direction of flat tube ontology.
Further, flat tube ontology includes:First flat tube section, the first flat tube section extend along the length direction of flat tube ontology; Second flat tube section, the second flat tube section extend along the length direction of flat tube ontology, the first side and the first flat tube section of the second flat tube section It is connected;Wherein, it is obtuse angle to have the first default angle a, the first default angle a between the second flat tube section and the first flat tube section.
Further, a >=150 °.
Further, flat tube ontology further includes:Third flat tube section, third flat tube section are prolonged along the length direction of flat tube ontology It stretches, the first side of third flat tube section is connected with the second side of the second flat tube section;Wherein, third flat tube section and the second flat tube section it Between have the second default angle c, the second default angle c be obtuse angle, the opening direction of the second default angle and the first default angle Opening direction it is opposite.
Further, flat tube ontology further includes:4th flat tube section, the 4th flat tube section are prolonged along the length direction of flat tube ontology It stretches, the 4th flat tube section is connected with the second side of third flat tube section;Wherein, have the between the 4th flat tube section and third flat tube section Three default angle b, it is obtuse angle that third, which presets angle b, and third presets the opening side of the opening direction and the second default angle of angle To opposite.
Further, b >=150 °.
Further, a >=b >=150 °.
The second aspect according to the present utility model provides a kind of micro-channel heat exchanger, including micro-channel flat, micro- logical Road flat tube is above-mentioned micro-channel flat.
Further, micro-channel heat exchanger further includes:
There is afflux tube passage, micro-channel flat to be threaded through on header for header, header, and the micro- of micro-channel flat is led to Road through-hole is connected with afflux tube passage.
Further, header is arranged in pairs, and micro-channel flat is multiple, length of multiple micro-channel flats along header Direction interval is arranged, and multiple micro-channel flats are folded between two opposite headers.
In terms of third according to the present utility model, a kind of air conditioner, including micro-channel heat exchanger are provided, microchannel is changed Hot device is above-mentioned micro-channel heat exchanger.
The micro-channel flat of the utility model is by setting flat tube ontology to bending tube, so as to increase flat tube ontology Flow-disturbing intensity, enhanced heat exchange.Wherein, microchannel through-hole is provided on flat tube ontology, microchannel through-hole for refrigerant for passing through. In use, since flat tube ontology is that bending tube is enhanced to increase the flow-disturbing intensity by its fluid with this Heat exchange, to solve the problems, such as that micro-channel flat heat exchange property in the prior art is poor.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model. In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of micro-channel flat according to the present utility model;
Fig. 2 shows the side views of the micro-channel flat in Fig. 1;
Fig. 3 shows the structural schematic diagram of the embodiment of micro-channel heat exchanger according to the present utility model;
Fig. 4 shows the structural schematic diagram of the header of micro-channel heat exchanger according to the present utility model.
Wherein, above-mentioned attached drawing includes the following drawings label:
10, flat tube ontology;11, the first flat tube section;12, the second flat tube section;13, third flat tube section;14, the 4th flat tube section; 15, microchannel through-hole;20, header;21, afflux tube passage.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
The utility model provides a kind of micro-channel flat, please refers to Fig.1 and Fig. 2, micro-channel flat include:Flat tube ontology 10, microchannel through-hole 15 is provided on flat tube ontology 10;Wherein, flat tube ontology 10 is bending tube.
The micro-channel flat of the utility model is by setting flat tube ontology 10 to bending tube, so as to increase flat tube sheet The flow-disturbing intensity of body 10, enhanced heat exchange.Wherein, microchannel through-hole 15 is provided on flat tube ontology 10, microchannel through-hole 15 is used for Pass through for refrigerant.In use, strong by the flow-disturbing of its fluid to increase since flat tube ontology 10 is bending tube Degree, enhances heat exchange, to solve the problems, such as that micro-channel flat heat exchange property in the prior art is poor with this.
For the specific bending form that flat tube ontology 10 is bending tube, width direction of the flat tube ontology 10 along flat tube ontology 10 Bending.
In the present embodiment, flat tube ontology 10 is bent along the width direction of flat tube ontology 10, and specifically, flat tube ontology 10 exists The section of width direction is bending side.
In the present embodiment, flat tube ontology 10 is bent along the width direction of flat tube ontology 10, and microchannel through-hole 15 is along flat tube The length direction of ontology 10 extends, i.e., microchannel through-hole 15 is straight hole, width direction of the flat tube ontology 10 along flat tube ontology 10 Bending does not influence the trend of microchannel through-hole 15.
In the present embodiment, the microchannel through-hole 15 of micro-channel flat is multiple, and multiple microchannel through-holes 15 are along flat tube sheet The width direction interval of body 10 is arranged.
For the concrete structure of flat tube ontology 10, as shown in Fig. 2, flat tube ontology 10 includes:First flat tube section 11, first is flat Pipeline section 11 extends along the length direction of flat tube ontology 10;Second flat tube section 12, length of second flat tube section 12 along flat tube ontology 10 Direction extends, and the first side of the second flat tube section 12 is connected with the first flat tube section 11;Wherein, the second flat tube section 12 and the first flat tube It is obtuse angle to have the first default angle a, the first default angle a between section 11.
In the present embodiment, flat tube ontology 10 includes the first flat tube section 11 and the second flat tube section 12, wherein the first flat tube section 11 along flat tube ontology 10 length direction extend, the second flat tube section 12 along flat tube ontology 10 length direction extend, the second flat tube First side of section 12 is connected with the first flat tube section 11.
In the present embodiment, there is the first default angle a, by by the between the second flat tube section 12 and the first flat tube section 11 One default angle a is set as obtuse angle, so as to increase the flow-disturbing of the fluid by the second flat tube section 12 and the first flat tube section 11 Intensity enhances heat exchange with this.
Preferably, a >=150 °.
In order to further strengthen the exchange capability of heat of micro-channel flat, as shown in Fig. 2, flat tube ontology 10 further includes:Third is flat Pipeline section 13, third flat tube section 13 extend along the length direction of flat tube ontology 10, the first side and the second flat tube of third flat tube section 13 The second side of section 12 is connected;Wherein, between third flat tube section 13 and the second flat tube section 12 have the second default angle c, second Default angle c is obtuse angle, and the opening direction of the second default angle is opposite with the opening direction of the first default angle.
In the present embodiment, by being arranged by third flat tube section 13 on flat tube ontology 10, wherein 13 edge of third flat tube section The length direction of flat tube ontology 10 extends, and the first side of third flat tube section 13 is connected with the second side of the second flat tube section 12.
In the present embodiment, there is the second default angle c, by by the between third flat tube section 13 and the second flat tube section 12 Two default angle c are set as obtuse angle, so as to increase the flow-disturbing of the fluid by third flat tube section 13 and the second flat tube section 12 Intensity enhances heat exchange with this.
In this embodiment, it is preferred that the opening direction phase of the opening direction of the second default angle and the first default angle Instead.
For the concrete structure of flat tube ontology 10, as shown in Fig. 2, flat tube ontology 10 further includes:4th flat tube section 14, the 4th Flat tube section 14 extends along the length direction of flat tube ontology 10, and the 4th flat tube section 14 is connected with the second side of third flat tube section 13; Wherein, there is third to preset angle b, it is obtuse angle, third that third, which presets angle b, between the 4th flat tube section 14 and third flat tube section 13 The opening direction of default angle is opposite with the opening direction of the second default angle.
In the present embodiment, flat tube ontology 10 further includes the 4th flat tube section 14, wherein the 4th flat tube section 14 is along flat tube ontology 10 length direction extends, and the 4th flat tube section 14 is connected with the second side of third flat tube section 13.
In the present embodiment, between the 4th flat tube section 14 and third flat tube section 13 there is third to preset angle b, by by the Three default angle b are set as obtuse angle, so as to increase the flow-disturbing by the 4th flat tube section 14 and the fluid of third flat tube section 13 Intensity enhances heat exchange with this.
In the present embodiment, the opening direction of the default angle of third is opposite with the opening direction of the second default angle.
Preferably, b >=150 °.
Preferably, a >=b >=150 °.
By being provided with a >=b >=150 °, flow disturbance degree is enhanced, enhanced heat exchange while reduces the stream of air Dynamic resistance enables air to fully exchange heat with flat tube.
The utility model additionally provides a kind of micro-channel heat exchanger, including micro-channel flat, and micro-channel flat is above-mentioned Micro-channel flat.
Preferably, as shown in Figure 3 and Figure 4, micro-channel heat exchanger further includes:Header 20, header 20 have header Channel 21, micro-channel flat are threaded through on header 20, and the microchannel through-hole 15 of micro-channel flat is connected with afflux tube passage 21 It is logical.
Afflux tube passage 21 is refrigerant circulation passage, and refrigerant is flowed by it in flat tube, is carried out by flat tube and air Heat exchange.
Preferably, header 20 is arranged in pairs, and micro-channel flat is multiple, length of multiple micro-channel flats along header 20 The setting of direction interval is spent, multiple micro-channel flats are folded between two opposite headers 20.
Micro-channel heat exchanger as outer machine heat exchanger in use, outer machine carry out defrost when, due to micro-channel heat exchanger Fin compact design prevents defrosting water from smoothly flowing down from fin between two flat tubes, to accumulate on fin, enables Frosting is worse off, and then reduces the heat exchange property of micro-channel heat exchanger.
The micro-channel heat exchanger of the utility model is as outer machine heat exchanger in use, occupation mode is that header 20 is upper and lower Arrangement, micro-channel flat is arranged vertically between two headers 20, and in order to exclude to accumulate in the change of micro-channel heat exchanger White water.The micro-channel heat exchanger of the utility model does not include fin, and flat tube (flat tube ontology 10) is designed corrugated form, Increase flow disturbance degree, enhanced heat exchange.Simultaneously in order to coordinate the micro-channel flat of this form, by the header side of being designed to Pipe is convenient for the fixation of micro-channel flat and header.
The flat tube of the micro-channel heat exchanger of the utility model is vertically fixed on upper and lower two affluxs by the hole on header Between pipe.
The header 20 of the micro-channel heat exchanger of the utility model is designed to that square form, side are plane form, just It is fixedly connected in the flat tube with corrugated form.
It should be noted that the micro-channel heat exchanger form in the program is unrestricted, can be single according to design requirement Or it is multiple rows of.
It should be noted that the form of header is unrestricted in the program, rectangular can be square, can also be square Shape.
It should be noted that the micro-channel heat exchanger that flat tube corrugated designs in the program is not limited only to exchange heat as outer machine Device uses, while can also be used as air-conditioning internal machine heat exchanger according to design requirement and using.
The utility model additionally provides a kind of air conditioner, including micro-channel heat exchanger, and micro-channel heat exchanger is above-mentioned micro- Channel heat exchanger.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects:
The micro-channel flat of the utility model is by setting flat tube ontology 10 to bending tube, so as to increase flat tube sheet The flow-disturbing intensity of body 10, enhanced heat exchange.Wherein, microchannel through-hole 15 is provided on flat tube ontology 10, microchannel through-hole 15 is used for Pass through for refrigerant.In use, strong by the flow-disturbing of its fluid to increase since flat tube ontology 10 is bending tube Degree, enhances heat exchange, to solve the problems, such as that micro-channel flat heat exchange property in the prior art is poor with this.
The micro-channel heat exchanger of the utility model is as outer machine heat exchanger in use, occupation mode is the upper and lower cloth of header It sets, flat pipes of micro-channel heat exchangers is arranged vertically between two headers, and in order to exclude to accumulate in micro-channel heat exchanger Defrosting water.The micro-channel heat exchanger of the utility model does not include fin, and flat tube is designed corrugated form, increases fluid and disturbs Traverse degree, enhanced heat exchange;Simultaneously in order to coordinate the micro-channel flat of this form, header is designed to square tube, convenient for micro- logical The fixation of road flat tube and header.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, " Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way Data can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to herein Sequence other than those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not Those of be necessarily limited to clearly to list step or unit, but may include not listing clearly or for these processes, side The intrinsic other steps of method, product or equipment or unit.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and And respective explanations are made to the opposite description in space used herein above.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (12)

1. a kind of micro-channel flat, which is characterized in that including:
Flat tube ontology (10) is provided with microchannel through-hole (15) on the flat tube ontology (10);
Wherein, the flat tube ontology (10) is bending tube.
2. micro-channel flat according to claim 1, which is characterized in that the flat tube ontology (10) is along the flat tube ontology (10) width direction bending.
3. micro-channel flat according to claim 1, which is characterized in that the flat tube ontology (10) includes:
First flat tube section (11), first flat tube section (11) extend along the length direction of the flat tube ontology (10);
Second flat tube section (12), second flat tube section (12) extend along the length direction of the flat tube ontology (10), and described the First side of two flat tube sections (12) is connected with first flat tube section (11);
Wherein, between second flat tube section (12) and first flat tube section (11) have the first default angle a, described first Default angle a is obtuse angle.
4. micro-channel flat according to claim 3, which is characterized in that a >=150 °.
5. micro-channel flat according to claim 3, which is characterized in that the flat tube ontology (10) further includes:
Third flat tube section (13), the third flat tube section (13) extend along the length direction of the flat tube ontology (10), and described the First side of three flat tube sections (13) is connected with the second side of second flat tube section (12);
Wherein, between the third flat tube section (13) and second flat tube section (12) have the second default angle c, described second Default angle c is obtuse angle, and the opening direction of the second default angle is opposite with the opening direction of the described first default angle.
6. micro-channel flat according to claim 5, which is characterized in that the flat tube ontology (10) further includes:
4th flat tube section (14), the 4th flat tube section (14) extend along the length direction of the flat tube ontology (10), and described the Four flat tube sections (14) are connected with the second side of the third flat tube section (13);
Wherein, between the 4th flat tube section (14) and the third flat tube section (13) there is third to preset angle b, the third Default angle b is obtuse angle, and the opening direction that the third presets angle is opposite with the opening direction of the described second default angle.
7. micro-channel flat according to claim 6, which is characterized in that b >=150 °.
8. micro-channel flat according to claim 6, which is characterized in that a >=b >=150 °.
9. a kind of micro-channel heat exchanger, including micro-channel flat, which is characterized in that the micro-channel flat is claim 1 to 8 Any one of described in micro-channel flat.
10. micro-channel heat exchanger according to claim 9, which is characterized in that the micro-channel heat exchanger further includes:
There is afflux tube passage (21), the micro-channel flat to be threaded through the afflux for header (20), the header (20) It manages on (20), the microchannel through-hole (15) of the micro-channel flat is connected with the afflux tube passage (21).
11. micro-channel heat exchanger according to claim 10, which is characterized in that the header (20) is arranged in pairs, micro- Channel flat tube is multiple, and multiple micro-channel flats are arranged along the length direction interval of the header (20), multiple described Micro-channel flat is folded between the header (20) of opposite two.
12. a kind of air conditioner, including micro-channel heat exchanger, which is characterized in that the micro-channel heat exchanger is claim 9 to 11 Any one of described in micro-channel heat exchanger.
CN201721779939.8U 2017-12-15 2017-12-15 Micro-channel flat, micro-channel heat exchanger and air conditioner Active CN207635921U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721779939.8U CN207635921U (en) 2017-12-15 2017-12-15 Micro-channel flat, micro-channel heat exchanger and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721779939.8U CN207635921U (en) 2017-12-15 2017-12-15 Micro-channel flat, micro-channel heat exchanger and air conditioner

Publications (1)

Publication Number Publication Date
CN207635921U true CN207635921U (en) 2018-07-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721779939.8U Active CN207635921U (en) 2017-12-15 2017-12-15 Micro-channel flat, micro-channel heat exchanger and air conditioner

Country Status (1)

Country Link
CN (1) CN207635921U (en)

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