CN205718634U - A kind of micro-channel heat exchanger of single header - Google Patents
A kind of micro-channel heat exchanger of single header Download PDFInfo
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- CN205718634U CN205718634U CN201620319184.2U CN201620319184U CN205718634U CN 205718634 U CN205718634 U CN 205718634U CN 201620319184 U CN201620319184 U CN 201620319184U CN 205718634 U CN205718634 U CN 205718634U
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- flat tube
- header
- cavity
- collecting chamber
- heat exchanger
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Abstract
This utility model relates to the micro-channel heat exchanger of a kind of single header, including, one header and Duo Gen flat tube, at least provided with not connected distribution cavity and collecting chamber in header, described flat tube is connected with header, and connect distribution cavity and collecting chamber, and it being provided with the first dividing plate in described header, described first dividing plate will be divided into distribution cavity and collecting chamber inside header；Being provided with second partition in described distribution cavity and collecting chamber, distribution cavity is cut off the cavity portion for connecting with flat tube and independent chamber portion respectively by described second partition with collecting chamber.
Description
Technical field
This utility model relates to a kind of heat exchanger, the micro-channel heat exchanger of a kind of single header.
Background technology
At present, the double header of the many employings of structure of existing micro-channel heat exchanger, centre is micro-channel flat.Application No.
201310532316.0 Chinese invention patent disclose a kind of micro-channel heat exchanger, including header and heat transfer zone, described
Heat transfer zone includes that flat tube, the inner space of described header include distribution cavity and collecting chamber, the institute of least one set pairing setting
State distribution cavity and described collecting chamber is positioned at the same side, described heat transfer zone, described distribution cavity and described collecting chamber along described header
Arrange before and after the direction of interior fluid flowing；Described flat tube makes the two ends of described flat tube arrange with pairing respectively after bending
One group of distribution cavity connects with collecting chamber；Use said structure make flat tube two ends respectively with the afflux being arranged at heat exchanger the same side
The distribution cavity of pipe and collecting chamber connect, and omit a header and can reduce manufacturing cost.Although this invention reduces afflux
The usage quantity of pipe, owing to coolant is when afflux Bottomhole pressure, does not play the effect of heat exchange, therefore, when a large amount of coolant
When being present in header, the loading of coolant will be increased, and be unfavorable for the quick flowing of coolant, reduce microchannel
Heat exchange efficiency.
Given this this utility model is proposed.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of coolant that can reduce in heat exchanger is deposited
Amount, improves the micro-channel heat exchanger of single header of heat exchange efficiency.
In order to realize this purpose, this utility model adopts the following technical scheme that
A kind of micro-channel heat exchanger of single header, including, a header and Duo Gen flat tube, in header at least provided with
Not connected distribution cavity and collecting chamber, described flat tube is connected with header, and connects distribution cavity and collecting chamber, described collection
Being provided with the first dividing plate in flow tube, described first dividing plate will at least be divided into distribution cavity and collecting chamber inside header；Described point
Being provided with second partition in joining chamber and collecting chamber, distribution cavity is divided into collecting chamber and connects with flat tube by described second partition respectively
Cavity portion and independent chamber portion.
Further, described flat tube is U-shaped, and two ends are connected with header, and equidistantly arrange, and is provided with microchannel inside flat tube,
And the size of the microchannel in peripherally located flat tube is more than the microchannel in internally positioned flat tube.
Further, between described distribution cavity and collecting chamber, be additionally provided with an intermediate cavity, described intermediate cavity be respectively arranged at two ends with
One dividing plate separates with distribution cavity and collecting chamber, and described flat tube is two groups, and one of which connects distribution cavity and intermediate cavity, another
Group connects intermediate cavity and collecting chamber.
Further, also being provided with second partition in described intermediate cavity, intermediate cavity is divided into and connects with flat tube by described second partition
Cavity portion and independent chamber portion.
Further, described flat tube is provided with a panel beating support away from the side of header, the U of described panel beating support and flat tube
Shape bending place is fixing to be connected.
Further, described panel beating support is installed with the U-shaped bracket with flat tube wall contacts, described U-shaped bracket
One end weld with panel beating support, the other end extends to the bottom of outermost flat tube, and equal with the outer wall of outermost flat tube
Go and contact.
Further, being additionally provided with heat exchange fin between described adjacent two flat tubes, described heat exchange fin is fixing with flat tube to be connected.
After using technical scheme described in the utility model, bring following beneficial effect:
This utility model uses the structure of single header, and is provided with the second of reduction header inner space in header
Dividing plate so that in header, the space for allowing coolant to pass through is the least, effectively reduces the filling quantity of system coolant, reduces
Coolant storage in heat exchanger, plays reduction internal volume, coordinates the purpose of shunting.
Accompanying drawing explanation
Fig. 1: the structural representation of this utility model embodiment one；
Fig. 2: the structural representation of this utility model embodiment two；
Wherein: 1, header 2, flat tube 3, panel beating support 4, U-shaped bracket 5, air inlet 6, liquid outlet
7, the first dividing plate 8, second partition 11, distribution cavity 12, collecting chamber 13, intermediate cavity.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in further detail.
Embodiment one
As it is shown in figure 1, the micro-channel heat exchanger of a kind of single header, including a, header 1 be connected to header 1
The many flat tubes 2 of the same side, the medium position at header 1 is provided with one first dividing plate 7, and described first dividing plate 7 will collection
Flow tube 1 is internal is separated into not connected distribution cavity 11 and collecting chamber 12, is provided with air inlet 5 in described distribution cavity 11,
Described collecting chamber 12 is provided with liquid outlet 6.Described flat tube 2 connects distribution cavity 11 and collecting chamber 12, and coolant is from air inlet
After 5 enter distribution cavity 11, uniform distribution at most root flat tube 2, after completing heat exchange in flat tube 2, flow into collecting chamber
In 12, and finally discharge from liquid outlet 6.For reducing the internal volume of header 1, described distribution cavity 11 and collecting chamber 12
Inside being respectively provided with a second partition 8, what described second partition 8 tilted is arranged in distribution cavity 11 and collecting chamber 12, will divide
Join chamber 11 and collecting chamber 12 and cut off for two parts respectively, including the cavity portion directly connected with flat tube 2 and independent sky
Cavity segment, circulates without coolant in chamber portion, wherein, and the cavity portion connected with flat tube 2 and independent chamber portion two
The volume of person is close so that the volume of distribution cavity 11 and collecting chamber 12 only half can store coolant, effectively reduces
The loading of coolant.
Described flat tube 2 is U-shaped, and two ends are connected with header 1, and flat tube 2 is internal is provided with microchannel, at header 1
On many flat tubes 2 are installed, and equidistantly arrange, wherein, peripheral flat tube 2 length more than internal flat tube 2 length,
Internal flat tube 2 uses the flat tube than the peripheral less microchannel of flat tube 2, the most peripherally located microchannel in flat tube 2
Size more than the microchannel in internally positioned flat tube 2, and flat tube width is constant, long due to inside and outside flat tube 2 with balance
The flow path resistance that degree difference is brought, Shi Ge road flat tube 2 shunts uniformly, improves the coefficient of heat transfer, reduces flat tube 2 material simultaneously
Cost.Being additionally provided with heat exchange fin between adjacent two flat tubes 2, heat exchange fin welds together with flat tube 2, changes to increase
Hot side amasss, and improves heat exchange efficiency.
Preferably, described flat tube 2 is provided with a panel beating support 3 away from the side of header 1, described panel beating support 3 with
The U-shaped bending place of the flat tube 2 of outermost is fixing to be connected.For strengthening bonding strength, the most fixing on described panel beating support 3
Being provided with and the U-shaped bracket 4 of flat tube 2 wall contacts, one end of described U-shaped bracket 4 is welded with panel beating support 3, separately
One end extends to the bottom of outermost flat tube 2 along the direction being perpendicular to panel beating support 3, and with the outer wall of outermost flat tube 2
Parallel and contact, play support and the effect of fixing flat tube 2.
Embodiment two
As in figure 2 it is shown, the difference of the present embodiment and embodiment one is, in the header 1 of the present embodiment, it is provided with two piece
One dividing plate 7, the inside of header 1 is divided into not connected distribution cavity 11, intermediate cavity 13 by two piece of first dividing plate 7
With collecting chamber 12, wherein, intermediate cavity 13 is between distribution cavity 11 and collecting chamber 12, i.e. the two ends of intermediate cavity 13 are divided
It is not provided with the first dividing plate 7 to separate with distribution cavity 11 and collecting chamber 12.
Preferably, also being provided with second partition 8 in described intermediate cavity 13, intermediate cavity 13 is divided into by described second partition 8
The cavity portion directly connected with flat tube 2 and independent chamber portion, and the cavity portion that connects with flat tube 2 and independent
The volume of both chamber portion is close so that the volume of intermediate cavity 13 only half can store coolant, reduces further
The loading of coolant.
Described flat tube 2 is two groups, and one of which connects distribution cavity 11 and intermediate cavity 13, and another group connects intermediate cavity 13
With collecting chamber 12, coolant first passes through flat tube 2 from distribution cavity 11 and enters in intermediate cavity 13, then enters along another group flat tube 2
In collecting chamber 12, the setting of intermediate cavity 13 adds the total kilometres that coolant flows in flat tube 2, makes coolant obtain fully
Utilize, improve efficiency of heat exchanger.
The above is embodiment of the present utility model, it is noted that for the ordinary skill in the art,
Without departing under this utility model principle premise, it is also possible to make various deformation and improvement, it is new that this also should be considered as this practicality
The protection domain of type.
Claims (7)
1. the micro-channel heat exchanger of a single header, including, one header and Duo Gen flat tube, at least provided with not connected distribution cavity and collecting chamber in header, described flat tube is connected with header, and connect distribution cavity and collecting chamber, it is characterised in that: being provided with the first dividing plate in described header, described first dividing plate will at least be divided into distribution cavity and collecting chamber inside header；Being provided with second partition in described distribution cavity and collecting chamber, distribution cavity is divided into the cavity portion connected with flat tube and independent chamber portion respectively by described second partition with collecting chamber.
The micro-channel heat exchanger of a kind of single header the most according to claim 1, it is characterized in that: described flat tube is U-shaped, two ends are connected with header, and equidistantly arrange, the size of the microchannel being provided with inside flat tube in microchannel, and peripherally located flat tube is more than the microchannel in internally positioned flat tube.
The micro-channel heat exchanger of a kind of single header the most according to claim 2, it is characterized in that: between described distribution cavity and collecting chamber, be additionally provided with an intermediate cavity, first dividing plate that is respectively arranged at two ends with of described intermediate cavity separates with distribution cavity and collecting chamber, described flat tube is two groups, one of which connects distribution cavity and intermediate cavity, and another group connects intermediate cavity and collecting chamber.
The micro-channel heat exchanger of a kind of single header the most according to claim 3, it is characterised in that: also being provided with second partition in described intermediate cavity, intermediate cavity is divided into the cavity portion connected with flat tube and independent chamber portion by described second partition.
5. according to the micro-channel heat exchanger of a kind of single header described in any one of claim 24, it is characterised in that: described flat tube is provided with a panel beating support away from the side of header, and described panel beating support is fixing with the U-shaped bending place of flat tube to be connected.
The micro-channel heat exchanger of a kind of single header the most according to claim 5, it is characterized in that: on described panel beating support, be installed with the U-shaped bracket with flat tube wall contacts, one end of described U-shaped bracket is welded with panel beating support, the other end extends to the bottom of outermost flat tube, and parallel with the outer wall of outermost flat tube and contact.
The micro-channel heat exchanger of a kind of single header the most according to claim 1, it is characterised in that: being additionally provided with heat exchange fin between adjacent two flat tubes, described heat exchange fin is fixing with flat tube to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620319184.2U CN205718634U (en) | 2016-04-15 | 2016-04-15 | A kind of micro-channel heat exchanger of single header |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620319184.2U CN205718634U (en) | 2016-04-15 | 2016-04-15 | A kind of micro-channel heat exchanger of single header |
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| Publication Number | Publication Date |
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| CN205718634U true CN205718634U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620319184.2U Active CN205718634U (en) | 2016-04-15 | 2016-04-15 | A kind of micro-channel heat exchanger of single header |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022063182A1 (en) * | 2020-09-23 | 2022-03-31 | 杭州三花微通道换热器有限公司 | Heat exchanger and air conditioning unit having multiple refrigeration systems |
-
2016
- 2016-04-15 CN CN201620319184.2U patent/CN205718634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022063182A1 (en) * | 2020-09-23 | 2022-03-31 | 杭州三花微通道换热器有限公司 | Heat exchanger and air conditioning unit having multiple refrigeration systems |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |