CN108981431A - A kind of liquid collecting tube assembly and heat exchanger - Google Patents
A kind of liquid collecting tube assembly and heat exchanger Download PDFInfo
- Publication number
- CN108981431A CN108981431A CN201811124058.1A CN201811124058A CN108981431A CN 108981431 A CN108981431 A CN 108981431A CN 201811124058 A CN201811124058 A CN 201811124058A CN 108981431 A CN108981431 A CN 108981431A
- Authority
- CN
- China
- Prior art keywords
- tube
- collector
- heat exchanger
- liquid collecting
- curved portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
Abstract
The invention belongs to technical field of heat exchangers, a kind of liquid collecting tube assembly and heat exchanger are disclosed.Including two the first collector tubes and connector.Two the first collector tubes are round tube, opposite to offer connecting hole；Connector includes the curved portion and protrusion being connected, and runs through in curved portion and protrusion and offer through-hole, protrusion is plugged in the connecting hole of one of them the first collector tube, curved portion is connected to the outer wall of another first collector tube to be connected to two the first collector tubes, and curved portion and protrusion are respectively by soldering connection in two the first collector tubes.The present invention is plugged in the connecting hole of one of them the first collector tube by the protrusion on connector, connector can be positioned and be limited, prevent connector or the first collector tube from shifting in assembly and brazing process, and the Welding area of the protrusion on connector and curved portion respectively between two the first collector tubes is larger, brazing quality is good, bonding strength is high, so that liquid collecting tube assembly is able to bear higher pressure.
Description
Technical field
The present invention relates to technical field of heat exchangers more particularly to a kind of liquid collecting tube assembly and heat exchangers.
Background technique
Heat exchanger is the equipment that heat transfer is realized between a kind of medium at two or more different temperatures, such as vapour
Common parallel-flow heat exchanger in vehicle air-conditioning can be good at because it has the characteristics that high cooling efficiency, small in size, light-weight
Meet the requirement in market.
Parallel-flow heat exchanger is mainly made of micro-channel flat, radiating fin and collector tube, at the both ends of micro-channel flat
Collector tube is set, for distributing and collecting refrigerant.But with environment-friendly type natural refrigerant CO2Application, the work in heat exchanger
Make pressure than using the coolant medias such as existing R134a and R1234yf to be higher by 5-6 times, the especially wherein liquid collecting of heat exchanging device
More stringent requirements are proposed for the pressure-resistant performance of pipe.Collector tube in existing heat exchanger include heat absorption plate core structure, round tube and special-shaped etc. no
Same structure, in which: two exhausting liquid collecting pipes of circular tube structure generally by soldering connection together, since collector tube is round tube,
Although the pressure-resistant performance of single collector tube is fine, the area directly contacted between two collector tubes is small, leads to bonding area
Small, brazing quality and bonding strength are poor, therefore the compressive resistance of heat exchanger entirety is small, is easy to happen damage inactivation and causes cold
The leakage of medium influences the normal work of air-conditioning.
Summary of the invention
The purpose of the present invention is to provide a kind of liquid collecting tube assembly and heat exchanger, realize collector tube reliable and stable connection and
Soldering improves the compressive resistance of liquid collecting tube assembly.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of liquid collecting tube assembly, comprising:
First collector tube, if there are two, two first collector tubes are round tube, and on two first collector tubes
It is opposite to offer connecting hole；
Connector, including the curved portion and protrusion being connected, and it is logical through offering in the curved portion and the protrusion
Hole, the protrusion are plugged in the connecting hole of one of them first collector tube, and the curved portion is connected to another described
The outer wall of first collector tube is to be connected to two first collector tubes, and the curved portion and the protrusion are connected by soldering respectively
It is connected to corresponding first collector tube.
Preferably, offering at least two connecting holes on each first collector tube；
The connector is equipped at least one, and the even hole one of the protrusion and one of them first collector tube
One is corresponding.
Preferably, the protrusion is cylindrical structure, the curved portion and the protrusion are integrally formed.
Preferably, the outer diameter of two first collector tubes is 15-21mm, wall thickness is 1.2-2.0mm.
Preferably, opening up jagged on the both ends side wall of each first collector tube, it is plugged in the notch
End cap is to seal first collector tube.
To achieve the above object, the present embodiment additionally provides a kind of heat exchanger, including liquid collecting tube assembly described above.
Preferably, further including two the second collector tubes for being arranged side by side and offering respectively inlet and outlet, wherein one
A second collector tube and one of them described first collector tube, another second collector tube and another first liquid collecting
Several heat exchanger tubes are respectively connected between pipe.
Preferably, the heat exchanger tube is flat tube, and being provided with along its length in the flat tube will be described flat
Flat pipe is divided into the muscle of multiple chambers.
Preferably, each heat exchanger tube two sides are all connected with and are provided with fin.
Beneficial effects of the present invention:
Liquid collecting tube assembly proposed by the present invention, by being arranged through the curved portion and protrusion for offering through-hole, raised grafting
In in the connecting hole of first collector tube, connector can be positioned and be limited, prevent connector or the first collector tube
It is shifted in assembly and brazing process, and the Welding area of protrusion and this first collector tube is big, brazing quality is good, even
Intensity height is connect, and the outside wall surface of curved portion and another the first collector tube matches so that Welding area is larger, soldering
High-quality, bonding strength is high, so that the liquid collecting tube assembly that two the first collector tubes and connector are constituted is able to bear higher pressure
Power.
Heat exchanger proposed by the present invention, stable structure is reliable, and compressive resistance is higher, and technological feasibility is good.
Detailed description of the invention
Fig. 1 is the explosive view for the liquid collecting tube assembly that the embodiment of the present invention one provides；
Fig. 2 is the cross-sectional view for the liquid collecting tube assembly that the embodiment of the present invention one provides；
Fig. 3 is the structural schematic diagram for the heat exchanger that the embodiment of the present invention one provides；
Fig. 4 is the structural schematic diagram for the heat exchanger tube that the embodiment of the present invention one provides；
Fig. 5 is the explosive view of liquid collecting tube assembly provided by Embodiment 2 of the present invention.
In figure:
1, the first collector tube；11, connecting hole；12, notch；13, the first spliced eye；
21, curved portion；22, raised；201, through-hole；
3, the second collector tube；4, heat exchanger tube；41, muscle；42, chamber；
5, fin；6, import pressing plate；61, the first intercommunicating pore；7, output clamping；71, the second intercommunicating pore；8, side plate；9, it holds
Lid.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
As shown in Figs. 1-2, a kind of liquid collecting tube assembly, including the first collector tube 1 and connector are present embodiments provided.Its
In, there are two the settings of the first collector tube 1, and offers connecting hole 11 on two the first collector tubes 1 relatively.In the present embodiment,
The structure of two the first collector tubes 1 is identical, is round tube, and the outer diameter of round tube is 12-21mm, wall thickness 1.2-2.0mm.Connector
Including the curved portion 21 and protrusion 22 being connected, and runs through in curved portion 21 and protrusion 22 and offer through-hole 201, raised 22 grafting
In the connecting hole 11 of one of them the first collector tube 1, curved portion 21 is connected to the outer wall of another the first collector tube 1 to be connected to two
A first collector tube 1, and curved portion 21 and protrusion 22 are respectively by soldering connection in two the first collector tubes 1.In the present embodiment
In, protrusion 22 is cylindrical structure, and curved portion 21 and protrusion 22 are integrally formed by plate stamping.
By being arranged through the curved portion 21 and protrusion 22 for offering through-hole 201, protrusion 22 is plugged in first liquid collecting
In the connecting hole 11 of pipe 1, connector can be positioned and be limited, prevent connector or the first collector tube 1 in brazing process
Middle displacement, and the Welding area of protrusion 22 and this first collector tube 1 is big, and bonding strength is high, and 21 He of curved portion
The outside wall surface of another the first collector tube 1 matches so that Welding area is larger, and solder is evenly distributed, and bonding strength is high,
So that the liquid collecting tube assembly that two the first collector tubes 1 and connector are constituted is able to bear higher pressure.
In addition, in the present embodiment, arcuately the length extending direction in portion 21 is provided with eight in the curved portion 21 of connector
A raised 22, the distance between two protrusions 22 are equal or unequal.Correspondingly, offered on each first collector tube 1 to
A few connecting hole 11 specially offers eight, and connecting hole 11 is circle, eight protrusions 22 and each first collector tube 1
Eight connecting holes 11 correspond.Certainly in other embodiments, connecting hole 11 on protrusion 22 and each first collector tube 1
Number can be configured according to actual needs.
Before the brazing, it is right in eight connecting holes 11 of the first collector tube 1 eight protrusions 22 to be inserted in one of respectively
Connector is limited and is positioned, and can be avoided the first collector tube 1 or connector shifts.
In addition, in the present embodiment, the circumferential lengths of curved portion 21 can be adjusted according to actual needs, it can not only be real
The connection of existing two the first collector tubes 1, and curved portion 21 can be mentioned as the stiffening plate of correspondingly the first collector tube 1
The compressive resistance and structural stability of this high the first collector tube 1.
As shown in figure 3, the present embodiment additionally provides a kind of heat exchanger, which includes above-mentioned liquid collecting tube assembly, separately
It outside further include two the second collector tubes 3 for being arranged side by side and offering respectively inlet and outlet, one of them 3 He of the second collector tube
Several heat exchange are respectively connected between one of them first collector tube 1, another second collector tube 3 and another first collector tube 1
Pipe 4.Specifically, several first spliced eyes 13 are offered on the side wall of one of them the first collector tube 1 in the axial direction, with
This first collector tube 1 accordingly offers several the second spliced eyes on the side wall of the second collector tube 3 in the axial direction, and first
Spliced eye 13 and the second spliced eye correspond, and the both ends of heat exchanger tube 4 are plugged in first spliced eye 13 and one the respectively
The first collector tube 1 of connection and the second collector tube 3 in two spliced eyes, and the both ends of heat exchanger tube 4 are connected to by Welding
First collector tube 1 and the second collector tube 3.The stable connection of two the first collector tubes 1 of the heat exchanger, intensity is big, and exchanges heat
Device is made of aluminum alloy materials, is integrally brazed after all parts assembly, stable structure, so that the heat exchanger in the present embodiment
Heat exchanger in compared with the prior art has higher compressive resistance.
In addition, in the present embodiment, the second collector tube 3 is identical with the structure of the first collector tube 1, the core of each collector tube
Material is three line aluminium alloys or six line aluminium alloys, and outside wall surface contains the solder alloy layer of 5%-10%, and each collector tube
Jagged 12 are opened up on the side wall of both ends, and one end lid 9 is plugged in the two neighboring notch 12 of two the first collector tubes 1, and
End cap 9 is connected to two the first collector tubes 1 by Welding to seal the end of two the first collector tubes 1.Correspondingly, two
One end lid 9 is plugged in the two neighboring notch 12 of second collector tube 3, and end cap 9 is connected to two by Welding
Two collector tubes 3 seal the ends of two the second collector tubes 3.
As shown in figure 3, improving heat exchange efficiency, the two sides up and down of each heat exchanger tube 4, which are all connected with, to be set to increase heat exchange area
Be equipped with fin 5, in the present embodiment, fin 5 be it is Wavelike finned, upper and lower two sides are connected to two heat exchanger tubes 4, not only
Heat exchange area can be increased, and heat pipe 4 can be exchanged, support is provided, enhance the stability of heat exchanger.In addition, in order to enhance most
The connective stability on upper layer and lowest level fin 5, the heat exchanger are provided with side plate 8 in upper and lower two sides, and two side plates 8 connect respectively
It is connected to and is located at top layer and undermost fin 5.
In addition, the heat exchanger further includes import pressing plate 6 and output clamping 7, opened respectively on import pressing plate 6 and output clamping 7
Equipped with the first intercommunicating pore 61 and the second intercommunicating pore 71, import pressing plate 6 is by soldering connection in the second collector tube for offering import
3, and the first intercommunicating pore 61 is connected to form the medium entrance of heat exchanger with import.Output clamping 7 is by soldering connection in opening
The second collector tube 3 equipped with outlet, and the second intercommunicating pore 71 is connected to form the media outlet of heat exchanger with outlet.
As shown in figure 4, in the present embodiment, heat exchanger tube 4 is flat tube, and being provided with along its length in flat tube will be flat
Flat pipe is divided into the muscle 41 of multiple chambers 42, and in the present embodiment, muscle 41 is provided with 13, and flat tube is divided into 14
Chamber 42 enables coolant media adequately to contact with the inner wall of flat tube to exchange heat, improves heat exchange efficiency, exist certainly
In other embodiments, the number of muscle 41 can be configured according to actual needs.
Embodiment two
As shown in figure 5, the liquid collecting tube assembly in the present embodiment and the liquid collecting tube assembly in embodiment one are essentially identical, it is different
Place is: there are two connector settings, and each connector includes the curved portion 21 being connected and protrusion 22, two connectors
The sum of 22 quantity of protrusion be equal to the quantity of the connecting hole 11 on the first collector tube 1.Certainly, in other embodiments, Ke Yigen
According to the needs that heat transferring medium distribution is adjusted, the quantity of connector may be arranged as two or more, but connector
Quantity is less than or equal to the quantity of connecting hole 11 on the first collector tube 1.In addition, two neighboring raised the distance between 22 is equal or not
It is equal, it also can according to need and be adjusted.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (9)
1. a kind of liquid collecting tube assembly characterized by comprising
First collector tube (1), if there are two, two first collector tubes (1) are round tube, and two first collector tubes
(1) opposite on to offer connecting hole (11)；
Connector, including the curved portion (21) and protrusion (22) being connected, and in the curved portion (21) and raised (22)
Through offering through-hole (201), the protrusion (22) is plugged in the connecting hole of one of them first collector tube (1)
(11), the curved portion (21) is connected to the outer wall of another first collector tube (1) to be connected to two first collector tubes
(1), and the curved portion (21) and raised (22) are respectively by soldering connection in corresponding first collector tube
(1)。
2. liquid collecting tube assembly according to claim 1, which is characterized in that opened up on each first collector tube (1)
There are at least two connecting holes (11)；
The connector is equipped at least one, and the company of raised (22) and one of them first collector tube (1)
Connect hole (11) one-to-one correspondence.
3. liquid collecting tube assembly according to claim 1, which is characterized in that the protrusion (22) is cylindrical structure, and institute
It states curved portion (21) and described raised (22) is integrally formed.
4. liquid collecting tube assembly according to claim 1, which is characterized in that the outer diameter of two first collector tubes (1) is equal
For 15-21mm, wall thickness is 1.2-2.0mm.
5. liquid collecting tube assembly according to claim 1, which is characterized in that two end sides of each first collector tube (1)
It is opened up on wall jagged (12), is plugged with end cap (9) in the notch (12) to seal first collector tube (1).
6. a kind of heat exchanger, which is characterized in that including liquid collecting tube assembly as described in any one in claim 1-5.
7. heat exchanger according to claim 6, which is characterized in that further include being arranged side by side and offering respectively import and go out
Mouthful two the second collector tubes (3), one of them described second collector tube (3) and one of them described first collector tube (1), separately
Several heat exchanger tubes (4) are respectively connected between one second collector tube (3) and another first collector tube (1).
8. heat exchanger according to claim 7, which is characterized in that the heat exchanger tube (4) is flat tube, and the flat tube
It is inside provided with the muscle (41) that the flat tube is divided into multiple chambers (42) along its length.
9. heat exchanger according to claim 7, which is characterized in that each heat exchanger tube (4) two sides, which are all connected with, to be provided with
Fin (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811124058.1A CN108981431A (en) | 2018-09-26 | 2018-09-26 | A kind of liquid collecting tube assembly and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811124058.1A CN108981431A (en) | 2018-09-26 | 2018-09-26 | A kind of liquid collecting tube assembly and heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108981431A true CN108981431A (en) | 2018-12-11 |
Family
ID=64542884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811124058.1A Pending CN108981431A (en) | 2018-09-26 | 2018-09-26 | A kind of liquid collecting tube assembly and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108981431A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110228348A (en) * | 2019-06-11 | 2019-09-13 | 上海加冷松芝汽车空调股份有限公司 | A kind of heat exchanger and automotive air-conditioning system |
| CN111721149A (en) * | 2019-03-20 | 2020-09-29 | 杭州三花研究院有限公司 | Heat exchanger |
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