CN201340146Y - Tube-fin type variable flow cross-section heat exchanger and air conditioner device thereof - Google Patents
Tube-fin type variable flow cross-section heat exchanger and air conditioner device thereof Download PDFInfo
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- CN201340146Y CN201340146Y CNU2008202328557U CN200820232855U CN201340146Y CN 201340146 Y CN201340146 Y CN 201340146Y CN U2008202328557 U CNU2008202328557 U CN U2008202328557U CN 200820232855 U CN200820232855 U CN 200820232855U CN 201340146 Y CN201340146 Y CN 201340146Y
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Abstract
The utility model relates to a heat exchanging device, in particular to a tube-fin type variable flow cross-section heat exchanger and an air conditioner device thereof employing the heat exchanger, which comprises a heat exchanger body. Besides, the heat exchanger body consists of a plurality of heat exchanging units in series connection, and total flow cross-sectional area of each heat exchanging unit sequentially reduces or increases orderly. The utility model has the advantages of having simple structure, ensuring stable flow speed of refrigerants inside the heat exchanger to the maximum extent, greatly decreasing system energy consumption and simultaneously saving raw materials of the heat exchanger.
Description
Technical field:
The utility model relates to a kind of heat-exchange device, and especially a kind of pipe type unsteady flow is led to the cross section heat exchanger and used the aircondition of this heat exchanger.
Background technology:
Existing heat exchanger is conventional uiform section heat exchanger, and duty is divided into the m road earlier for entering unit volume refrigerant of heat exchanger, and flow 1/m unit volume refrigerant is got on every road, and the unit volume refrigerant enters from the import of 1 core pipe and covers whole logical journey.All refrigerants are in heat exchanger in the flow process, constantly produce heat exchange with the external world, temperature also changes thereupon, according to the characteristic of expanding with heat and contract with cold, the volume that refrigerant occupied is also changing thereupon, and constant flow area can not satisfy the refrigerant Volume Changes, will cause the flow velocity of refrigerant in heat exchanger very unstable like this, cause expending a large amount of merits, increased energy consumption.
At present, the actual internal area design of the evaporimeter of automotive air-conditioning system commonly used and the interior pipe type heat exchanger of condenser assembly both at home and abroad is equivalent, be provided with like this and have the problem that the refrigerant flow rate fluctuation is big, heat exchange efficiency is low, can cause compressor power consumption height, cause whole air-conditioning system Energy Efficiency Ratio lower.
The utility model content:
The utility model provides logical cross section heat exchanger of a kind of pipe type unsteady flow and aircondition thereof, it is simple in structure, guaranteed the flow speed stability of refrigerant in heat exchanger to greatest extent, greatly reduce system energy consumption, simultaneously also save heat exchanger raw material consumptive material, solved problems of the prior art.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be: the logical cross section of a kind of pipe type unsteady flow heat exchanger, comprise heat exchanger body, described heat exchanger body comprises the heat exchange unit of several series connection, and total actual internal area of each heat exchange unit reduces successively in order or increases.
A kind of aircondition that uses above-mentioned heat exchanger, comprise the compressor, condensing heat exchanger, liquid storage drier, expansion valve and the evaporating heat exchanger that connect successively, described condensing heat exchanger comprises the condensing heat-exchange unit of several series connection, and total actual internal area of each condensing heat-exchange unit reduces in order successively; Described evaporating heat exchanger comprises the evaporation and heat-exchange unit of several series connection, and total actual internal area of each evaporation and heat-exchange unit increases in order successively.
The utility model adopts said structure, the actual internal area that makes each heat exchange unit in the heat exchanger changes with the Volume Changes of refrigerant, guaranteed that to greatest extent the flow velocity of refrigerant in heat exchanger is relatively stable, can reduce the energy consumption of system so greatly, also saved heat exchanger raw material consumptive material simultaneously.
Description of drawings:
Fig. 1 is the theory structure schematic diagram of the utility model heat exchanger.
Fig. 2 uses the theory structure schematic diagram of the aircondition of this heat exchanger for the utility model.
Among the figure, 1, heat exchanger tube; 2, manifold trunk; 3, compressor; 4, first manifold trunk; 5, condensing heat exchanger; 6, second manifold trunk; 7, heat exchanger tube; 8, the 3rd manifold trunk; 9, the 4th manifold trunk; 10, liquid storage drier; 11, expansion valve; 12, the 5th manifold trunk; 13, evaporating heat exchanger; 14, heat exchanger tube; 15, the 6th manifold trunk; 16, the 7th manifold trunk; 17, the 8th manifold trunk.
The specific embodiment:
For clearly demonstrating the technical characterstic of this programme, below by the specific embodiment, and in conjunction with its accompanying drawing, the utility model is elaborated.
As shown in Figure 1, be the structural representation of the utility model heat exchanger.It comprises heat exchanger body, described heat exchanger body comprises the heat exchange unit of three series connection, each heat exchange unit is made up of some heat exchanger tubes 1, by refrigerant flow through the order each heat exchange unit heat exchanger tube 1 quantity successively decrease successively, total actual internal area of having realized each heat exchange unit reduces in order successively, flow between each heat exchange unit for the ease of refrigerant, each heat exchange unit is connected by manifold trunk 2.Require total actual internal area of each heat exchange unit also can increase successively in order according to different heat exchange.Actual internal area in the heat exchanger becomes staged condensation variation to adapt with the refrigerant physical characteristic, thereby guaranteed that the flow velocity of refrigerant in heat exchanger is relatively stable, so just greatly reduce the energy consumption of system, but also can reduce the raw material consumptive material of heat exchanger, reduce cost.
As shown in Figure 2, be the theory structure schematic diagram of the automotive air-conditioning system that uses above-mentioned heat exchanger.It comprises compressor 3, condensing heat exchanger 5, liquid storage drier 10, expansion valve 11 and evaporating heat exchanger 13.
7 one-tenth 4 row of the heat exchanger tube of pipe type condensing heat exchanger 5 * 16 row are evenly arranged, and by a: b: c=7: be divided into three condensing heat-exchange unit at 5: 4, total actual internal area of each heat exchange unit becomes staged condensation variation to adapt with the refrigerant physical characteristic.
Be provided with the first condensing heat-exchange unit that comprises 28 heat exchanger tubes 7 on condensing heat exchanger 5, the refrigerant of the first condensing heat-exchange unit imports end and is communicated with first manifold trunk 4, and refrigerant is derived end and is communicated with second manifold trunk 6; Be provided with the second condensing heat-exchange unit that comprises 20 heat exchanger tubes 7, the refrigerant of the second condensing heat-exchange unit imports end and is communicated with second manifold trunk 6, and refrigerant is derived end and is communicated with the 3rd manifold trunk 8; Be provided with the 3rd condensing heat-exchange unit that comprises 16 heat exchanger tubes 7, the refrigerant of the 3rd condensing heat-exchange unit imports end and is communicated with the 3rd manifold trunk 8, and refrigerant is derived end and is communicated with the 4th manifold trunk 9.The 4th manifold trunk 9 is communicated with liquid storage drier 10.
14 one-tenth 7 row of the heat exchanger tube of pipe type evaporating heat exchanger 13 * 6 row are evenly arranged, and by e: f: g=3: be divided into three evaporation and heat-exchange unit at 7: 11, total actual internal area of each heat exchange unit becomes staged condensation variation to adapt with the refrigerant physical characteristic.
Be provided with the first evaporation and heat-exchange unit that comprises 6 heat exchanger tubes 14 on evaporating heat exchanger 13, the refrigerant of the first evaporation and heat-exchange unit imports end and is communicated with the 5th manifold trunk 12, and refrigerant is derived end and is communicated with the 6th manifold trunk 15; Be provided with the second evaporation and heat-exchange unit that comprises 14 heat exchanger tubes 14, the refrigerant of the second evaporation and heat-exchange unit imports end and is communicated with the 6th manifold trunk 15, and refrigerant is derived end and is communicated with the 7th manifold trunk 16; Be provided with the 3rd evaporation and heat-exchange unit that comprises 22 heat exchanger tubes 14, the refrigerant of the 3rd evaporation and heat-exchange unit imports end and is communicated with the 7th manifold trunk 16, and refrigerant is derived end and is communicated with the 8th manifold trunk 17.The 8th manifold trunk 17 is communicated with compressor 3.
During system works, the HTHP gaseous coolant that compressor 3 provides enters the first condensing heat-exchange unit of condensing heat exchanger 5 through first manifold trunk 4, and cooling becomes medium temperature and medium pressure gaseous coolant volume and reduces; Import the second condensing heat-exchange unit after second manifold trunk 6 compiles, the temperature and pressure of refrigerant further reduces; Import the 3rd condensing heat-exchange unit after the 3rd manifold trunk 8 compiles, cooling becomes the liquid refrigerants of lower temperature low pressure; Import liquid storage drier 10 filtration treatment and flow to expansion valve 11 throttlings again after the 4th manifold trunk 9 compiles, the refrigerant volume becomes big suddenly and step-down becomes the vaporific refrigerant of low-temp low-pressure; Enter the first evaporation and heat-exchange unit of evaporating heat exchanger 13 through the 5th manifold trunk 12 separatory, refrigerant absorbs external heat evaporation section refrigerant, and temperature rising volume increases; Import the second evaporation and heat-exchange unit after the 6th manifold trunk 15 compiles, refrigerant further evaporates, and volume continues to increase; After the 7th manifold trunk 16 compiles, import the 3rd evaporation and heat-exchange unit, become and evaporate gaseous coolant completely; Be sucked after the 8th manifold trunk 17 compiles again and enter compressor 3, the compressed HTHP gaseous coolant that becomes is sent to condensing heat exchanger 5 once more, thereby finishes a therrmodynamic system circulation.Know that thus the flow through circulation area of condensing heat exchanger 5 of refrigerant follows the refrigerant volume contraction to diminish synchronously, and the circulation area of the evaporating heat exchanger 13 of flowing through follows the refrigerant volumetric expansion to become big synchronously.The actual internal area of heat exchanger becomes staged condensation variation to adapt with the refrigerant physical characteristic, thereby guaranteed that the flow velocity of refrigerant in heat exchanger is relatively stable, so just greatly reduce the energy consumption of air-conditioning system, but also can reduce the raw material consumptive material of heat exchanger, reduce cost.Finally reached the purpose that reduces compressor 3 power consumptions.
The above-mentioned specific embodiment can not be as the restriction to the utility model protection domain, and for those skilled in the art, any alternate modification or conversion that the utility model embodiment is made all drop in the protection domain of the present utility model.
The utility model does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (2)
1, the logical cross section of a kind of pipe type unsteady flow heat exchanger comprises heat exchanger body, and it is characterized in that: described heat exchanger body comprises the heat exchange unit of several series connection, and total actual internal area of each heat exchange unit reduces successively in order or increases.
2, a kind of aircondition that uses the described heat exchanger of claim 1, comprise the compressor, condensing heat exchanger, liquid storage drier, expansion valve and the evaporating heat exchanger that connect successively, it is characterized in that: described condensing heat exchanger comprises the condensing heat-exchange unit of several series connection, and total actual internal area of each condensing heat-exchange unit reduces in order successively; Described evaporating heat exchanger comprises the evaporation and heat-exchange unit of several series connection, and total actual internal area of each evaporation and heat-exchange unit increases in order successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202328557U CN201340146Y (en) | 2008-12-25 | 2008-12-25 | Tube-fin type variable flow cross-section heat exchanger and air conditioner device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202328557U CN201340146Y (en) | 2008-12-25 | 2008-12-25 | Tube-fin type variable flow cross-section heat exchanger and air conditioner device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201340146Y true CN201340146Y (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202328557U Expired - Lifetime CN201340146Y (en) | 2008-12-25 | 2008-12-25 | Tube-fin type variable flow cross-section heat exchanger and air conditioner device thereof |
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| Country | Link |
|---|---|
| CN (1) | CN201340146Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858672A (en) * | 2010-06-29 | 2010-10-13 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchanger with improved heat exchange property |
| CN102230692A (en) * | 2010-06-29 | 2011-11-02 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchanger with improved heat exchange performance |
| CN103267390A (en) * | 2013-05-06 | 2013-08-28 | 广东美的制冷设备有限公司 | Concurrent flow heat exchanger and air conditioner |
| CN105716331A (en) * | 2014-12-02 | 2016-06-29 | 东南大学 | Variable flow channel type heat exchanger capable of improving organic Rankine cycle efficiency |
-
2008
- 2008-12-25 CN CNU2008202328557U patent/CN201340146Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101858672A (en) * | 2010-06-29 | 2010-10-13 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchanger with improved heat exchange property |
| CN102230692A (en) * | 2010-06-29 | 2011-11-02 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchanger with improved heat exchange performance |
| CN102230692B (en) * | 2010-06-29 | 2012-11-14 | 三花控股集团有限公司 | Heat exchanger with improved heat exchange performance |
| CN103267390A (en) * | 2013-05-06 | 2013-08-28 | 广东美的制冷设备有限公司 | Concurrent flow heat exchanger and air conditioner |
| CN103267390B (en) * | 2013-05-06 | 2016-03-02 | 广东美的制冷设备有限公司 | Parallel-flow heat exchanger and air-conditioner |
| CN105716331A (en) * | 2014-12-02 | 2016-06-29 | 东南大学 | Variable flow channel type heat exchanger capable of improving organic Rankine cycle efficiency |
| CN105716331B (en) * | 2014-12-02 | 2019-01-22 | 东南大学 | A kind of variable flow channel type heat exchanger improving Organic Rankine Cycle efficiency |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091104 |