CN203501556U - Parallel flow heat exchanger - Google Patents
Parallel flow heat exchanger Download PDFInfo
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- CN203501556U CN203501556U CN201320575134.7U CN201320575134U CN203501556U CN 203501556 U CN203501556 U CN 203501556U CN 201320575134 U CN201320575134 U CN 201320575134U CN 203501556 U CN203501556 U CN 203501556U
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- header
- heat exchanger
- communicated
- right header
- parallel
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- 238000009421 internal insulation Methods 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 description 33
- 239000007788 liquid Substances 0.000 description 13
- 239000002826 coolant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a parallel flow heat exchanger including a left collecting pipe, a right collecting pipe, a left separator, a right separator, a first guide pipe, a second guide pipe, and a connecting pipe. a plurality of heat exchanging pipes are arranged between the left collecting pipe and the right collecting pipe, the left separator is arranged in the left collecting pipe and separates the inside of the left collecting pipe into a left collecting pipe upper cavity and a left collecting pipe lower cavity, the right separator is arranged in the right collecting pipe and separates the inside of the right collecting pipe into a right collecting pipe upper cavity and a right collecting pipe lower cavity, the right separator is provided with a jet hole for communicating the right collecting pipe upper cavity and the right collecting pipe lower cavity, the first guide pipe is communicated with the left collecting pipe upper cavity, the second guide pipe is communicated with the left collecting pipe lower cavity, and the connecting pipe is respectively communicated with the right collecting pipe upper cavity and the right collecting pipe lower cavity. The parallel flow heat exchanger provided can improve the integral heat exchange efficiency.
Description
Technical field
The utility model relates to air-conditioning technical field, especially relates to a kind of parallel-flow heat exchanger.
Background technology
Parallel-flow heat exchanger is because heat exchange efficiency is high, compact conformation, and lightweight, the more common copper pipe fin type heat exchanger of cost has more advantage, as single cooler condenser, is widely used in field of air conditioning.But, existing parallel-flow heat exchanger is vertically placed header conventionally, when being used as air conditioner condenser, the parallel-flow heat exchanger of this structure there will be following problem: refrigerant, owing to being affected by gravity, gas-liquid separation can occur in header, wherein gaseous coolant is easy to flow to upper space because density is little, liquid refrigerants is because density is easy to greatly flow to lower space, make refrigerant can not by header compared be transported to equably the top heat exchange unit that causes heat exchanger in each flat tube because of refrigerant under-supply seriously overheated, to supply excessive evaporation incomplete because of refrigerant for the bottom heat exchange unit of heat exchanger, thereby affect the overall heat exchange efficiency of heat exchanger.
Utility model content
The utility model is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.
For this reason, an object of the present utility model is to propose a kind of parallel-flow heat exchanger, and this parallel-flow heat exchanger can improve refrigerant cannot evenly be transported to the problem in heat exchanger tube owing to being affected by gravity, thereby improves the overall heat exchange efficiency of parallel-flow heat exchanger.
According to parallel-flow heat exchanger of the present utility model, comprising: left header and right header, described left header and described right header separate between left and right and all along vertical, arrange, and between described left header and described right header, are provided with a plurality of heat exchanger tubes; Left separator and right separator, described left separator is located in described left header and described left header internal insulation is become to left header upper chamber and left header lower chamber, described right separator is located in described right header and described right header internal insulation is become to right header upper chamber and right header lower chamber, is provided with for being communicated with the spray-hole of described right header upper chamber and described right header lower chamber on described right separator; The first conduit and the second conduit, described the first conduit and described the second conduit are separately fixed on described left header, and described the first conduit is communicated with described left header upper chamber, and described the second conduit is communicated with described left header lower chamber; And tube connector, described tube connector is fixed on described right header and described tube connector is communicated with respectively described right header upper chamber and described right header lower chamber.
According to the parallel-flow heat exchanger of the utility model embodiment, be applicable to air-conditioner, at air-conditioner during in heating operation, can greatly improve the gas-liquid separation phenomenon of refrigerant, refrigerant can be transported in each heat exchanger tube more equably, thereby improve the overall heat exchange efficiency of parallel-flow heat exchanger.
In addition, according to parallel-flow heat exchanger of the present utility model, can also there is following additional technical feature:
The distance of the described right header of described spray-hole distance bottom is 1/4th of described right header height.
Like this, can improve the heat exchange efficiency of parallel-flow heat exchanger.
The hydraulic diameter of described spray-hole is not less than the internal diameter of described tube connector.
Thus, can guarantee the uniformity that refrigerant distributes.
Described the first conduit is communicated with the middle part of described left header upper chamber.
Thus, can guarantee the uniformity that refrigerant distributes.
Described the second conduit is communicated with the top of described left header lower chamber.
Thus, can guarantee the uniformity that refrigerant distributes.
Described tube connector is a pipe, and the lower end that the upper end of described tube connector is communicated with described right header upper chamber and described tube connector is communicated with described right header lower chamber.
Thus, make the structure of parallel-flow heat exchanger compacter, simple.
Described tube connector comprises: supervisor and a plurality of isocon, one end of described supervisor is communicated with described right header lower chamber, described supervisor's the other end is communicated with one end of isocon described in each respectively, and described in each, the other end of isocon is communicated with described right header upper chamber respectively.
Thus, can increase gaseous coolant and the liquid refrigerants mixed effect in right header upper chamber, make the more even of refrigerant mixing, improve the overall heat exchange efficiency of parallel-flow heat exchanger.
Described parallel-flow heat exchanger also comprises: current divider, described current divider is connected between described a plurality of isocon and described supervisor.
One end that described a plurality of isocon is communicated with described right header upper chamber described right header axially on be spaced apart from each other and be uniformly distributed.
Described isocon is two, and one of them is communicated with the top of described right header upper chamber, and another is communicated with the middle part of described right header upper chamber.
Accompanying drawing explanation
Fig. 1 is according to the schematic diagram of the parallel-flow heat exchanger of an embodiment of the utility model;
Fig. 2 and Fig. 3 are that the parallel-flow heat exchanger shown in Fig. 1 is along the cutaway view of two different examples of A-A;
Fig. 4 is according to the schematic diagram of the parallel-flow heat exchanger of another embodiment of the utility model.
Reference numeral:
Fin 3;
The first conduit 5;
The second conduit 6;
Left header upper chamber 81, right header upper chamber 82, left header lower chamber 83, right header lower chamber 84;
Spray-hole 9;
Current divider 10.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
Below with reference to Fig. 1-Fig. 4, describe in detail according to the parallel-flow heat exchanger of the utility model embodiment, this parallel-flow heat exchanger is suitable for but is not limited to air-conditioner.
According to the parallel-flow heat exchanger of an embodiment of the utility model, can comprise left header 11, right header 12, a plurality of heat exchanger tube 2, left separator 41, right separator 42, the first conduit 5, the second conduit 6 and tube connector 7.
As shown in Figure 1 and Figure 4, left header 11 and right header 12 separate between left and right, and left header 11 can be arranged in parallel and preferably be in same perpendicular with right header 12.Left header 11 and right header 12 all arrange along vertical, and in other words, the axis of left header 11 and right header 12 is vertically directed.Between left header 11 and right header 12, be provided with a plurality of heat exchanger tubes 2, one end of each heat exchanger tube 2 is connected with left header 11 as left end, the other end of each heat exchanger tube 2 is connected with right header 12 as right-hand member, and the two ends of each heat exchanger tube 2 are communicated with the inside of left header 11 and right header 12.
Particularly, one end of each heat exchanger tube 2 can extend in the sidewall of left header 11 and be integrally welded with this sidewall, the other end of each heat exchanger tube 2 can extend in the sidewall of right header 12 and be integrally welded with this sidewall, and the open at both ends of each heat exchanger tube 2 is to be communicated with corresponding header.But, should be understood that, the utility model is not limited to this.
Between adjacent heat exchanger tube 2, fin 3 can be set, fin 3 can be fixed between adjacent heat exchanger tube 2 by the mode of welding, so not only fixed, and is beneficial to transferring heat between fin 3 and heat exchanger tube 2, improves heat exchange efficiency.Alternatively, heat exchanger tube 2 is flat tube, and particularly, heat exchanger tube 2 is porous flat pipe.
As shown in Figure 1 and Figure 4, left separator 41 is located in left header 11 and left header 11 internal insulation is become to left header upper chamber 81 and left header lower chamber 83.For example, left separator 41 can flatly be arranged in left header 11, and left separator 41 can be configured to laminated structure.
As shown in Figure 1 and Figure 4, right separator 42 is located in right header 12 and right header 12 internal insulation is become to right header upper chamber 82 and right header lower chamber 84.For example, right separator 42 can flatly be arranged in right header 12, and right separator 42 can be configured to laminated structure.On right separator 42, be provided with for being communicated with the spray-hole 9 of right header upper chamber 82 and right header lower chamber 84.
Alternatively, spray-hole 9 can be circular, as shown in Figure 2.Further alternatively, spray-hole 9 can be rectangle, as shown in Figure 3.But, should be appreciated that according to the shape of the spray-hole 9 of the utility model embodiment and be not limited to circle or rectangle.
As shown in Figure 1 and Figure 4, the first conduit 5 and the second conduit 6 are separately fixed on left header 11, and the first conduit 5, the second conduit 6 can be welded and fixed with left header 11, or the first conduit 5, the second conduit 6 and left header 11 can be one-body molded.The first conduit 5 is communicated with left header upper chamber 81, the second conduits 6 and is communicated with left header lower chamber 83.When air conditioner refrigerating moves, the first conduit 5 can be input pipe, and the second conduit 6 can be efferent duct.When air-conditioning heating moves, the first conduit 5 can be efferent duct, and the second conduit 6 can be input pipe.
As shown in Figure 1 and Figure 4, tube connector 7 is fixed on right header 12 and is positioned at right header 12 outsides, and tube connector 7 is communicated with respectively right header upper chamber 82 and right header lower chamber 84.Alternatively, tube connector 7 can be aluminum pipe or aluminium-alloy pipe.
According to the parallel-flow heat exchanger of the utility model embodiment, can be applicable to air conditioner.
Particularly, when air-conditioner is during in refrigerating operaton, gaseous coolant enters left header upper chamber 81 by the first conduit 5, condensing heat-exchange in the heat exchanging part being formed by heat exchanger tube 2 and fin 3, enter right header upper chamber 82, then the spray-hole 9 by tube connector 7 and right separator 42 enters right header lower chamber 84 again, and refrigerant continues condensing heat-exchange, become liquid condition and enter left header lower chamber 83, by the second conduit 6, flow out parallel-flow heat exchanger.
When air-conditioner is during in heating operation, refrigerant flow direction is contrary during with above-mentioned refrigerating operaton.The refrigerant of gas-liquid two-phase enters left header lower chamber 83 from the second conduit 6, in the heat exchanging part of heat exchanger tube 2 and fin 3 compositions, after evaporation and heat-exchange, enter right header lower chamber 84, the part mass dryness fraction refrigerant of large (being that liquid content is less) is upwards sprayed and is carried refrigerant by the spray-hole 9 on right separator 42, the refrigerant of another part mass dryness fraction less (being that liquid content is more) is transported to right header upper chamber 82 by tube connector 7, the mixing that two parts refrigerant occurs to a certain degree in right header upper chamber 82 simultaneously, thereby reduce the gas-liquid separation of refrigerant, refrigerant can be transported in each heat exchanger tube 2 more equably, refrigerant continues evaporation and heat-exchange and becomes gaseous state and enter left header upper chamber 81 in heat exchanger, by the first conduit 5, flow out parallel-flow heat exchanger again.
Thus, according to the parallel-flow heat exchanger of the utility model embodiment, be applicable to air-conditioner, at air-conditioner during in heating operation, can greatly improve the gas-liquid separation phenomenon of refrigerant, refrigerant can be transported in each heat exchanger tube 2 more equably, thereby improve the overall heat exchange efficiency of parallel-flow heat exchanger.
Shown in Fig. 1 and Fig. 4, according to embodiment more of the present utility model, the distance of spray-hole 9 distance right header 12 bottoms is 1/4th of right header 12 height.Like this, can improve the heat exchange efficiency of parallel-flow heat exchanger.Preferably, the hydraulic diameter of spray-hole 9 is not less than the internal diameter of tube connector 7, thus, can guarantee the uniformity that refrigerant distributes.
According to embodiment more of the present utility model, as shown in Figure 1 and Figure 4, the first conduit 5 is communicated with the middle part of left header upper chamber 81, thus, can guarantee the uniformity that refrigerant distributes.The second conduit 6 is communicated with the top of left header lower chamber 83.Thus, can guarantee the uniformity that refrigerant distributes.
Shown in Fig. 1, tube connector 7 is a pipe, and the lower end that the upper end of tube connector 7 is communicated with right header upper chamber 82 and tube connector 7 is communicated with right header lower chamber 84.Alternatively, the upper end of tube connector 7 is communicated with the top of right header upper chamber 82, and the lower end of tube connector 7 is communicated with the bottom of right header lower chamber 84.Thus, make the structure of parallel-flow heat exchanger compacter, simple.
But, the utility model is not limited to this, in another embodiment of the present utility model, as shown in Figure 4, tube connector 7 comprises supervisor 71 and a plurality of isocon 72, supervisor one end of 71 is communicated with right header lower chamber 84 as lower end, is responsible for 71 the other end and is communicated with one end of each isocon 72 respectively as upper end, and the other end of each isocon 72 is communicated with right header upper chamber 82 respectively.Thus, can increase gaseous coolant and the liquid refrigerants mixed effect in right header upper chamber 82, make the more even of refrigerant mixing, improve the overall heat exchange efficiency of parallel-flow heat exchanger.
Further, as shown in Figure 4, parallel-flow heat exchanger also comprises current divider 10, and current divider 10 is connected between a plurality of isocons 72 and supervisor 71.Current divider 10 is for shunting, and the amount that makes to distribute to the gaseous coolant in each isocon 72 is more even, thereby improves the mixed effect of gas-liquid refrigerant in right header upper chamber 82.
Preferably, one end that a plurality of isocons 72 are communicated with right header upper chamber 82 right header 12 axially on be spaced apart from each other and be uniformly distributed.Thus, be conducive to improve the mixed effect of the interior gas-liquid refrigerant of right header upper chamber 82.
For example, isocon 72 can be two, and one of them isocon 72 can be communicated with the top of right header upper chamber 82, and another isocon 72 can be communicated with the middle part of right header upper chamber 82.
Generally speaking, according to the parallel-flow heat exchanger of the utility model embodiment, can improve refrigerant and cannot evenly be transported to the problem in heat exchanger tube 2 owing to being affected by gravity, thus the overall heat exchange efficiency of raising parallel-flow heat exchanger.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.In addition, those skilled in the art can engage the different embodiment that describe in this description or example and combine.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, modification, replacement and modification.
Claims (10)
1. a parallel-flow heat exchanger, is characterized in that, comprising:
Left header and right header, described left header and described right header separate between left and right and all along vertical, arrange, and between described left header and described right header, are provided with a plurality of heat exchanger tubes;
Left separator and right separator, described left separator is located in described left header and described left header internal insulation is become to left header upper chamber and left header lower chamber, described right separator is located in described right header and described right header internal insulation is become to right header upper chamber and right header lower chamber, is provided with for being communicated with the spray-hole of described right header upper chamber and described right header lower chamber on described right separator;
The first conduit and the second conduit, described the first conduit and described the second conduit are separately fixed on described left header, and described the first conduit is communicated with described left header upper chamber, and described the second conduit is communicated with described left header lower chamber; And
Tube connector, described tube connector is fixed on described right header and described tube connector is communicated with respectively described right header upper chamber and described right header lower chamber.
2. parallel-flow heat exchanger according to claim 1, is characterized in that, the distance of the described right header of described spray-hole distance bottom is 1/4th of described right header height.
3. parallel-flow heat exchanger according to claim 1, is characterized in that, the hydraulic diameter of described spray-hole is not less than the internal diameter of described tube connector.
4. parallel-flow heat exchanger according to claim 1, is characterized in that, described the first conduit is communicated with the middle part of described left header upper chamber.
5. parallel-flow heat exchanger according to claim 1, is characterized in that, described the second conduit is communicated with the top of described left header lower chamber.
6. parallel-flow heat exchanger according to claim 1, is characterized in that, described tube connector is a pipe, and the lower end that the upper end of described tube connector is communicated with described right header upper chamber and described tube connector is communicated with described right header lower chamber.
7. parallel-flow heat exchanger according to claim 1, it is characterized in that, described tube connector comprises: supervisor and a plurality of isocon, one end of described supervisor is communicated with described right header lower chamber, described supervisor's the other end is communicated with one end of isocon described in each respectively, and described in each, the other end of isocon is communicated with described right header upper chamber respectively.
8. parallel-flow heat exchanger according to claim 7, is characterized in that, also comprises: current divider, described current divider is connected between described a plurality of isocon and described supervisor.
9. parallel-flow heat exchanger according to claim 7, is characterized in that, one end that described a plurality of isocons are communicated with described right header upper chamber described right header axially on be spaced apart from each other and be uniformly distributed.
10. parallel-flow heat exchanger according to claim 7, is characterized in that, described isocon is two, and one of them is communicated with the top of described right header upper chamber, and another is communicated with the middle part of described right header upper chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320575134.7U CN203501556U (en) | 2013-09-16 | 2013-09-16 | Parallel flow heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320575134.7U CN203501556U (en) | 2013-09-16 | 2013-09-16 | Parallel flow heat exchanger |
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| Publication Number | Publication Date |
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| CN203501556U true CN203501556U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320575134.7U Expired - Lifetime CN203501556U (en) | 2013-09-16 | 2013-09-16 | Parallel flow heat exchanger |
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| CN (1) | CN203501556U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105180518A (en) * | 2015-09-15 | 2015-12-23 | 珠海格力电器股份有限公司 | Collecting pipe, micro-channel heat exchanger with collecting pipe and air conditioning system |
| CN106574809A (en) * | 2014-08-20 | 2017-04-19 | 黄利华 | Air conditioning system with evaporative cooling system |
| CN111928538A (en) * | 2020-08-10 | 2020-11-13 | 珠海格力电器股份有限公司 | Microchannel heat exchanger, air conditioner and heat pump system |
-
2013
- 2013-09-16 CN CN201320575134.7U patent/CN203501556U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106574809A (en) * | 2014-08-20 | 2017-04-19 | 黄利华 | Air conditioning system with evaporative cooling system |
| CN106574809B (en) * | 2014-08-20 | 2019-10-25 | 黄利华 | Air conditioning system and evaporative cooling system |
| CN105180518A (en) * | 2015-09-15 | 2015-12-23 | 珠海格力电器股份有限公司 | Collecting pipe, micro-channel heat exchanger with collecting pipe and air conditioning system |
| CN105180518B (en) * | 2015-09-15 | 2018-09-18 | 珠海格力电器股份有限公司 | Collecting pipe, micro-channel heat exchanger with collecting pipe and air conditioning system |
| CN111928538A (en) * | 2020-08-10 | 2020-11-13 | 珠海格力电器股份有限公司 | Microchannel heat exchanger, air conditioner and heat pump system |
| CN111928538B (en) * | 2020-08-10 | 2025-06-24 | 珠海格力电器股份有限公司 | Microchannel heat exchanger, air conditioner, heat pump system |
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Granted publication date: 20140326 |