CN202188698U - Combined heat exchanger - Google Patents
Combined heat exchanger Download PDFInfo
- Publication number
- CN202188698U CN202188698U CN2011202943488U CN201120294348U CN202188698U CN 202188698 U CN202188698 U CN 202188698U CN 2011202943488 U CN2011202943488 U CN 2011202943488U CN 201120294348 U CN201120294348 U CN 201120294348U CN 202188698 U CN202188698 U CN 202188698U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- exchanger
- heat
- unitized
- working medium
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides a combined heat exchanger, which comprises a first heat exchanger; a second heat exchanger which has longitudinal fins and is combined with the first heat exchanger, wherein the longitudinal fins have contact with the surface of the first heat exchanger. The combined heat exchanger has the main advantages of: adopting a technical scheme of the combined heat exchanger, keeping the original advantages of a micro-passage heat exchanger and a thermal tube heat exchanger or heat exchangers with similar characteristics, and widening the application range of these heat exchangers by overcoming the shortcoming that the accumulated condensed water is hard to be discharged.
Description
Technical field
The utility model relates to the field of heat exchangers of electrical equipment such as air-conditioning, particularly a kind of unitized exchanger.
Background technology
Advantages such as microchannel (concurrent flow) heat exchanger has coefficient of heat transfer height, compact conformation, cost is low, the cooling medium charging amount is little; Its range of application is enlarging gradually, and its structure comprises that mainly hollow header, parallel interval arrangement are installed in the flat heat exchange tube (harmonica-shaped tube) between two headers and are installed in the fin between the flat heat exchange tube.Because the micro-channel heat exchanger processing technology is an integral solder, fin can't use hydrophilic aluminium foil, and the aluminium foil after the welding is easy to generate dropwise condensation water and form " water bridge ".And the version of flat heat exchange tube (harmonica-shaped tube) own is horizontal plate, because water has tension force, if when occurring when condensate is arranged, can't in time drain smoothly, and this has limited its scope of application, can't use as evaporimeter.
In order to address this problem, part prior art scheme is attempted adopting through gradient that changes the micro-channel heat exchanger harmonica-shaped tube or the version that changes fin and is reached the purpose of improving drainage performance.Part prior art scheme is also arranged through the purpose that the certain installation gradient of heat exchanger reaches the smooth and easy draining of heat exchanger ability is set; But only solved the local problem of condensation flow, still can't solve the queueing problem of whole heat exchanger condensed water fully from flat tube or fin.
Same on other heat exchanger of same structure type, as also there being similar problem in the use of heat exchange of heat pipe.Because the distinctive strong thermal conduction characteristic of heat exchange of heat pipe, use very extensively in the heat exchange field, wherein gravity assisted heat pipe is because of structure and the technology manufacturing is simple uses at most.But in order to guarantee that heat-exchange working medium can reliably circulate in the gravity assisted heat pipe, certain inclination angle need vertically placed or keep to heat pipe in the use.If when heat pipe increases fin with enhanced heat exchange; Because heat exchanger tube needs vertical the layout; Fin just becomes to be arranged horizontally, and this will cause when having condensed water on fin, to condense in the air, and condensed water will be difficult to flow away from fin; The problem that condensed water draining difficulty occurs will cause the evaporator surface frosting to be frozen when serious.
The utility model content
To above problem, the utility model provides a kind of unitized exchanger, makes full use of the advantage of micro-channel heat exchanger and heat exchange of heat pipe on the one hand, reaches the characteristics of optimizing draining on the one hand.
The utility model is realized through following technical scheme: a kind of unitized exchanger comprises: first heat exchanger; Second heat exchanger has longitudinal fin, lumps together with first heat exchanger package; Wherein, longitudinal fin contacts with the surface of first heat exchanger.
Further, first heat exchanger places the side of facining the wind of unitized exchanger, and second heat exchanger places a leeward side of unitized exchanger, and the windward side of the lee face of first heat exchanger and second heat exchanger joins.
Further, first heat exchanger is a micro-channel heat exchanger.
Further, first heat exchanger is a heat exchange of heat pipe.
Further, longitudinal fin adopts water wetted material to process.
Further, the working medium streaming system of the working medium streaming system of first heat exchanger and second heat exchanger series connection.
Further, the working medium streaming system of the working medium streaming system of first heat exchanger and second heat exchanger parallel connection.
Further, the working medium streaming system of the working medium streaming system of first heat exchanger and second heat exchanger is independent mutually.
Further, has throttle mechanism at least one the working medium streaming system in the working medium streaming system of the working medium streaming system of first heat exchanger and second heat exchanger.
Pass through technique scheme; The major advantage of the utility model is; The heat exchanger original advantages that has kept micro-channel heat exchanger and heat exchange of heat pipe or similar characteristics through the technical scheme that adopts unitized exchanger; And be difficult to get rid of through solution and gather the scope of application that this shortcoming of condensed water has enlarged these heat exchangers, for example make it can be used as evaporimeter and use.
Description of drawings
The accompanying drawing that constitutes the part of the utility model is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 shows the schematic top plan view of first embodiment of the unitized exchanger of the utility model;
Fig. 2 shows the sketch map of first embodiment of the unitized exchanger of the utility model;
Fig. 3 shows the schematic top plan view of second embodiment of the unitized exchanger of the utility model;
Fig. 4 shows the sketch map of second embodiment of the unitized exchanger of the utility model;
Fig. 5 shows the sketch map of embodiment of a train of the unitized exchanger of the utility model;
Fig. 6 shows the sketch map of embodiment of a parallel system of the unitized exchanger of the utility model; And
Fig. 7 shows one of unitized exchanger of the utility model sketch map of the embodiment of autonomous system separately.
The specific embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
The unitized exchanger of the utility model lumps together two heat exchanger package, particularly, micro-channel heat exchanger or heat exchange of heat pipe or the similar heat exchanger that is difficult to automatic draining type is positioned over the windward side of unitized exchanger; The heat exchanger that will have longitudinal fin is positioned over the lee face of combination exchanger; Preferably; This heat exchanger can adopt the strong material of hydrophily as longitudinal fin; The micro-channel heat exchanger of the adjacent contact of this longitudinal fin windward side or heat exchange of heat pipe surface, these longitudinal fins form the passage that guiding is deposited in the condensed water discharging on micro-channel heat exchanger or heat exchange of heat pipe surface.Thereby the condensed water that makes micro-channel heat exchanger or heat exchange of heat pipe surface is under the effect of head on blast and gravity, along the smooth and easy downward outflow of longitudinal fin.
The unitized exchanger of first embodiment of the utility model has been shown among Fig. 1 and Fig. 2, with arrow airflow direction has been shown among the figure.Micro-channel heat exchanger 11 is positioned over the air-flow windward side, and second heat exchanger 2 that has vertical longitudinal fin is positioned over the air-flow lee face, and the cold-producing medium in the micro-channel heat exchanger 11 is collector 13 microchannel in the flat tube 14 of flowing through from the right side, comes together in left side collector 16.Cold-producing medium flows through from heat exchanger tube 21 in the vertical longitudinal fin heat exchanger 2.The air of need handling micro-channel heat exchanger 11 coolings of at first flowing through are again through vertical longitudinal fin heat exchanger 2 further cool-down dehumidifications.If have condensed water to be condensed on the fin 15 on the micro-channel heat exchanger 11 or 14 last times of flat tube; Condensed water will flow to micro-channel heat exchanger 11 back sides under the effect of air-flow; And then the flow direction is close to the hydrophilic fin 22 in the vertical longitudinal fin heat exchanger 2 that contacts micro-channel heat exchanger 11; Condensed water under the effect of gravity and air-flow blast along vertical vertical hydrophilic fin 22 toward dirty, thereby discharge whole heat exchanger.
The unitized exchanger of second embodiment of the utility model has been shown among Fig. 3 and Fig. 4, with arrow airflow direction has been shown among the figure.The heat exchange of heat pipe 12 that has the horizontal fin 17 of enhanced heat exchange is positioned over the windward side of air-flow; Have vertical longitudinal fin heat exchanger 2 adjacent heat exchange of heat pipes 12 and be positioned over lee face; The working medium Tube Sheet of Heat Exchanger 18 of flowing through in the heat exchange of heat pipe, the working medium in the vertical longitudinal fin heat exchanger 2 heat exchanger tube 21 of flowing through.The air of need handling heat exchange of heat pipe 12 coolings of at first flowing through are again through vertical longitudinal fin heat exchanger 2 further cool-down dehumidifications.If there is on the heat exchange of heat pipe 12 condensed water to be condensed in 17 last times of horizontal fin; Condensed water will flow to heat exchange of heat pipe 12 back sides under the effect of air-flow; And then the flow direction is close to the vertical longitudinal fin 22 of contact thermal heat exchange of heat pipe 12; Condensed water under the effect of gravity and air-flow blast along vertical longitudinal fin 22 toward dirty, thereby discharge whole heat exchanger.
The longitudinal fin heat exchanger of lee face can be arranged as cascaded structure or parallel-connection structure with the working medium streaming system of micro-channel heat exchanger or heat exchange of heat pipe by design requirement; And can make up in the distribution of whole system heat and the ratio of air handling process sensible heat and latent heat; The heat exchanger of realization drainability difference is mainly born system's sensible heat load; The heat exchanger that drainability is strong is born system's latent heat load, gives full play to the heat exchange advantage of heat exchanger separately, reduces the shortcoming of heat exchanger separately simultaneously as far as possible.
Referring to shown in Figure 5: first heat exchanger 1 that is difficult to draining like the heat exchange of heat pipe of micro-channel heat exchanger or band enhanced heat exchange with on the working medium streaming system, taking the series connection form with second heat exchanger 2 of vertical longitudinal fin.Can adjust the evaporating pressure of refrigeration working medium in first heat exchanger 1 through first throttle mechanism 3; Thereby realize the work evaporating temperature in control first heat exchanger 1; Can be further regulate, avoid too many condensed water to be condensed on first heat exchanger 1 through the flow through air dew point temperature of this heat exchanger of judgement.Can adjust refrigeration working medium evaporating pressure in second heat exchanger 2 through second throttle mechanism 4 simultaneously, thereby the air of handling is carried out cool-down dehumidification.
Shown in Figure 6 is combination exchanger parallel system form, wherein adopts first throttle mechanism 5 to adjust the evaporating pressure of two refrigeration working mediums in the heat exchanger simultaneously, adjusts refrigeration working medium evaporating pressure in second heat exchanger 2 with second throttle mechanism 4.Shown in Figure 7 is combination exchanger system form independently separately.Above-mentioned two kinds of connected mode functions and control method are similar to aforementioned cascaded structure, repeat no more at this.
According to the unitized exchanger of the utility model, have following beneficial effect:
At first; The heat exchanger original advantages that has kept micro-channel heat exchanger and heat exchange of heat pipe or similar characteristics through the technical scheme that adopts unitized exchanger; And be difficult to get rid of through solution and gather the scope of application that this shortcoming of condensed water has enlarged these heat exchangers, for example make it can be used as evaporimeter and use.
Next through series connection (Fig. 5) or parallel connection (Fig. 6) or separately independently system's design of (Fig. 7) of optimal design unitized exchanger, can optimize heat exchange, improves the effect of heat exchange system ability.
Once more, through the heat exchange ratio optimization complete machine heat exchange effect separately of each heat exchanger in the optimal design unitized exchanger, thus the heat exchange that improves machine system.
At last; Heat through adjusting two heat exchangers reaches the refrigerant evaporation pressure of heat exchanger separately; The air setting water that can realize letting needs to handle concentrates on the heat exchanger that is easy to draining and condenses, and mainly as the latent heat heat exchange, and the heat exchanger that is not easy to draining is mainly as sensible heat transfer.The air latent heat sensible heat of heat exchanger is separately handled thereby realization is flowed through.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (9)
1. a unitized exchanger is characterized in that, comprising:
First heat exchanger (1);
Second heat exchanger (2) has longitudinal fin, combines with said first heat exchanger (1);
Wherein, said longitudinal fin contacts with the surface of said first heat exchanger (1).
2. unitized exchanger according to claim 1; It is characterized in that; Said first heat exchanger (1) places the side of facining the wind of said unitized exchanger; Said second heat exchanger (2) places a leeward side of said unitized exchanger, and the windward side of the lee face of said first heat exchanger (1) and said second heat exchanger (2) joins.
3. unitized exchanger according to claim 1 is characterized in that, said first heat exchanger (1) is micro-channel heat exchanger (11).
4. unitized exchanger according to claim 1 is characterized in that, said first heat exchanger (1) is heat exchange of heat pipe (12).
5. unitized exchanger according to claim 1 is characterized in that, said longitudinal fin adopts water wetted material to process.
6. unitized exchanger according to claim 1 is characterized in that, the working medium streaming system series connection of the working medium streaming system of said first heat exchanger (1) and said second heat exchanger (2).
7. unitized exchanger according to claim 1 is characterized in that, the working medium streaming system parallel connection of the working medium streaming system of said first heat exchanger (1) and said second heat exchanger (2).
8. unitized exchanger according to claim 1 is characterized in that, the working medium streaming system of the working medium streaming system of said first heat exchanger (1) and said second heat exchanger (2) is independent mutually.
9. according to claim 6,7 or 8 described unitized exchangers, it is characterized in that having throttle mechanism at least one the said working medium streaming system in the working medium streaming system of the working medium streaming system of said first heat exchanger (1) and said second heat exchanger (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202943488U CN202188698U (en) | 2011-08-12 | 2011-08-12 | Combined heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202943488U CN202188698U (en) | 2011-08-12 | 2011-08-12 | Combined heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188698U true CN202188698U (en) | 2012-04-11 |
Family
ID=45920144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202943488U Expired - Lifetime CN202188698U (en) | 2011-08-12 | 2011-08-12 | Combined heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188698U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927719A (en) * | 2011-08-12 | 2013-02-13 | 珠海格力电器股份有限公司 | Combined heat exchanger |
| CN107131683A (en) * | 2017-06-14 | 2017-09-05 | 四川依米康环境科技股份有限公司 | A kind of double low-temperature receiver composite heat-exchange coil pipes of monoblock type |
| CN114623719A (en) * | 2022-01-26 | 2022-06-14 | 南京航空航天大学 | Fin and flat tube heat exchanger comprising same |
-
2011
- 2011-08-12 CN CN2011202943488U patent/CN202188698U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927719A (en) * | 2011-08-12 | 2013-02-13 | 珠海格力电器股份有限公司 | Combined heat exchanger |
| CN107131683A (en) * | 2017-06-14 | 2017-09-05 | 四川依米康环境科技股份有限公司 | A kind of double low-temperature receiver composite heat-exchange coil pipes of monoblock type |
| CN114623719A (en) * | 2022-01-26 | 2022-06-14 | 南京航空航天大学 | Fin and flat tube heat exchanger comprising same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102927719A (en) | Combined heat exchanger | |
| EP4279850A3 (en) | Outdoor unit of air-conditioning apparatus and air-conditioning apparatus | |
| CN104566681B (en) | A kind of air-conditioner outdoor unit and its method for reducing filling quantity of refrigerant | |
| CN105737631A (en) | Heat tube type water-saving device used for cross-flow cooling tower | |
| CN105864888A (en) | Microchannel heat exchanger and air conditioner | |
| CN202188698U (en) | Combined heat exchanger | |
| CN205300044U (en) | Heat exchanger and air conditioning system | |
| CN206459330U (en) | A kind of heat exchanger and use its air-conditioning | |
| CN202757502U (en) | Hot medium self-circulating heat exchanger with adjustable load | |
| CN203848558U (en) | Evaporator core | |
| CN203053291U (en) | Micro-channel flat tube used for parallel current evaporator | |
| CN105823353A (en) | High-efficiency condenser | |
| CN102455086A (en) | Heat exchanger structure | |
| CN213455027U (en) | Flat pipe for heat exchange and heat exchanger | |
| WO2018040037A1 (en) | Micro-channel heat exchanger and air-cooled refrigerator | |
| JP5404571B2 (en) | Heat exchanger and equipment | |
| CN105300161A (en) | Heat exchanger and cooling fin thereof | |
| WO2018040036A1 (en) | Micro-channel heat exchanger and air-cooled refrigerator | |
| CN208901683U (en) | Air source heat pump system | |
| CN202511384U (en) | Top air conditioner for passenger vehicle | |
| CN205425534U (en) | Concurrent flow heat exchanger and air conditioning system | |
| CN202328932U (en) | Condenser and air conditioner with same | |
| CN110094901B (en) | Micro-channel heat exchanger | |
| CN202835741U (en) | Heat pump air-conditioner and outdoor heat exchanger thereof | |
| CN207146986U (en) | A kind of fin-tube heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
|
| CX01 | Expiry of patent term |