CN104567118A - Evaporator system having flexible adjusting function - Google Patents
Evaporator system having flexible adjusting function Download PDFInfo
- Publication number
- CN104567118A CN104567118A CN201510018740.2A CN201510018740A CN104567118A CN 104567118 A CN104567118 A CN 104567118A CN 201510018740 A CN201510018740 A CN 201510018740A CN 104567118 A CN104567118 A CN 104567118A
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- Prior art keywords
- expansion valve
- electric expansion
- collecting pipe
- export
- port
- Prior art date
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- 238000001704 evaporation Methods 0.000 claims abstract description 32
- 239000003507 refrigerant Substances 0.000 claims abstract description 11
- 230000008020 evaporation Effects 0.000 claims abstract description 7
- 238000004378 air conditioning Methods 0.000 description 18
- 230000006870 function Effects 0.000 description 10
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/02—Details of evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/02—Humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2117—Temperatures of an evaporator
- F25B2700/21175—Temperatures of an evaporator of the refrigerant at the outlet of the evaporator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an evaporator system having a flexible adjusting function. The evaporator system comprises a main electronic expansion valve, an auxiliary electronic expansion valve, a distributor, a distribution pipe cluster, an evaporator, an evaporation fan, a large collecting pipe, a small collecting pipe and a mixer, wherein the inlet end of the main electronic expansion valve and the inlet of the auxiliary electronic expansion valve are connected in parallel and then are led out to form a refrigerant inlet end, the output end of the main electronic expansion valve is sequentially connected with the distributor, the distribution pipe cluster, the evaporator and the large collecting pipe and then is connected with the inlet end of the mixer, the output end of the auxiliary electronic expansion valve is sequentially connected with the evaporator and the small collecting pipe and then is connected with the inlet end of the mixer, and the outlet end of the mixer serves as a refrigerant outlet end. The evaporator system is compact in structure, achieves effective control on evaporation temperature or returned air temperature and has the advantage of high in operation reliability.
Description
Technical field
The present invention relates to field of Refrigeration and Air-conditioning, be specifically applicable to the evaporator system of a kind of soft readjustment function of each class of electronic devices air-conditioning.
Background technology
In recent years, along with the fast development of electronic equipment, heat flow density constantly promotes, and refrigeration air-conditioner supporting with it also occurs new demand thereupon.At present, such refrigeration air-conditioner is different with the indoor type of cooling by outside, is divided into air-cooled, water-cooled, cold water formula, the economic cooled of ethylene glycol and two cold source types etc.Wherein, indoor directly uses the mode of cold-producing medium to occupy key player, namely refrigerant liquid absorbs the heat in electronics rack in evaporator coil, after completing phase transformation, gets back to compressor in a gaseous form, and compressor is by after this gas compressor, being sent to outside utilizes air-cooled, water-cooled or glycol-cooled etc. to cool, and after completing phase transformation, gets back to again evaporimeter in liquid form, so constantly circulation, thus reach the object of continuous cooling.But this kind of air-conditioning, vehicle-mounted at some, carrier-borne or fixing military electronic field of radiating, requires higher control ability, wider office work scope and stronger environmental suitability usually.Such as, usual device air conditioner room outdoor temperature is-35 DEG C ~ 50 DEG C, indoor temperature is 17 DEG C ~ 28 DEG C, and vehicle electronic device air conditioner room outdoor temperature is-45 DEG C ~ 55 DEG C, indoor temperature is 15 DEG C ~ 40 DEG C, vehicle electronic device thermic load is relatively high simultaneously, does not also have the relatively large interior space as buffering, so require higher to the Temperature and Humidity Control of air-conditioning itself.Meanwhile, because the sensible heat ratio of electronic equipment air-conditioning is higher, reach 0.9, the disengagement area of evaporimeter certainly will be caused much larger than common air-conditioning.When running under this full working scope, unavoidably can run into following situation: 1. under high environment, indoor high load capacity, large disengagement area more easily cause evaporating temperature and suction temperature too high, thus cause overload of compressor to protect; 2. when only needing to dehumidify on a small quantity, and when now evaporator fin does not arrive dew-point temperature or dehumidifies very little, usually only have the evaporating temperature of integrally-regulated evaporimeter to realize, causing leaving air temp to fluctuate increases; 3. high wind pushing temperature and humid control is sometimes needed, send again after the cold air through evaporimeter can be adopted to mix with the hot-air without evaporimeter, will certainly increase bypass air-valve and bypass air channel etc. like that, increase bulk, some occasion just cannot use.
In the face of the cooling of electronic equipment, also good humid control is needed, usual relative humidity requires to control about 40% ~ 60%, the cold air be simultaneously delivered to should have larger face velocity support, in the relatively independent cyclic space, absolute humidity can be more and more less, and this just requires that this kind of air-conditioning has stronger control and to wet ability.When relative humidity in limited time, also can carry out adding wet process with humidifier lower than requiring down usually.And then also there will be a kind of situation, when namely compressor cooling opened by air-conditioning, if evaporimeter dehumidifying effect does not mate or changes too little, the input of humidifier and the fluctuation of humidity can be strengthened undoubtedly.
Summary of the invention
The object of the invention is to solve prior art Problems existing, a kind of evaporator system of soft readjustment function is provided, realizes effective control of evaporating temperature or suction temperature, there is high reliability operation characteristic.
Technical scheme of the present invention is as follows:
A kind of evaporator system of soft readjustment function, it is characterized in that: include main electric expansion valve, auxiliary electric expansion valve, distributor, distribute tube bundle, evaporimeter, evaporation fan, large collecting pipe, little collecting pipe and blender, draw after the entrance point of described main electric expansion valve and the entrance point of auxiliary electric expansion valve are in parallel, form refrigerant inlet end, the port of export of described main electric expansion valve connects described distributor successively, distribute tube bundle, evaporimeter be connected (being main road) after large collecting pipe with the entrance point of described blender, the port of export of described auxiliary electric expansion valve connects described evaporimeter successively and is connected (being bypass) after little collecting pipe with the entrance point of described blender, the port of export of described blender forms refrigerant outlet end, utilize bypass and the adjustment portion cold-producing medium of bypass, thus make the efficient performance of evaporimeter under special operation condition.
At present, electronic equipment air-conditioning all adopts the mode of the little enthalpy difference of Wind Volume to work.Such as, 25kW electronic equipment Air-conditioning Cycle air quantity is 6600m3/h, and common air-conditioning air circulation is about 3600m3/h, and phase person differs a lot of.If with dry-bulb temperature 24 DEG C, wet-bulb temperature 17 DEG C, relative humidity 50%, enthalpy 48.08kJ/kg, dry air specific volume 0.842 m3/kg are air conditioning chamber's inner inlet port air condition, design evaporating temperature 7 DEG C.Now, the amount of air circulation of electronic equipment air-conditioning is about 7838 kg/h, enthalpy difference △ I=25 × 3600/7838=11.48 kJ/kg, then air-out enthalpy is 36.60kJ/kg, the temperature difference about 7.5 DEG C (relative humidity about 67%); And the amount of air circulation of common air-conditioning is about 4276 kg/h, enthalpy difference △ I=25 × 3600/4276=21.05 kJ/kg, then air-out enthalpy is 27.03kJ/kg, the temperature difference about 14 DEG C (relative humidity about 88%).Here can find out, the little enthalpy difference of Wind Volume is more conducive to the cooling of electronic equipment.Be not more than 60% to realize air-out humidity, then compensated by mode of heating again, no longer describe in detail here.
Below enumerate several duty, set forth further:
1) electronic equipment air-conditioning is under worst hot case (as indoor 40 DEG C, 50%, outdoor 55 DEG C), and indoor exchange capability of heat increases, and easily causing evaporating temperature and suction temperature to exceed permitting of compressor can scope.If leaving air temp 32 DEG C, relative humidity 67%, then evaporation side heat exchange amount increases by more than 40%, and condensation side meets high temperature again, causes overload of compressor to protect.Now; utilize bypass and the adjustment portion cold-producing medium of bypass; it is allowed to flow through short tube bunch; to reduce evaporation and heat-exchange; make the evaporating temperature of bypass and suction temperature on the low side; and then mix with long tube overheated gas bunch out, reach overall suction temperature and evaporating pressure meets safe operation requirement, thus avoid compressor protection.
2) when electronic equipment air-conditioning EAT 33 DEG C, relative humidity 40%, after air conditioner refrigerating, if leaving air temp is 24 DEG C, relative humidity 63%, now, relative humidity exceeds standard 3%, relative humidity controls within 60% by usual employing again mode of heating, and this evaporator system, still can utilize bypass and the regulating action of bypass, reduce the evaporating temperature of short tube bunch, increase local dehumidification function, the air absolute humidity flowed through herein is reduced, mixes with the air flowing through evaporimeter upper part more afterwards and reach the regulatory function that locally dehumidifies.
3) when electronic equipment air conditioning exhausting temperature and humidity reaches requirement, by regulating auxiliary electric expansion valve, the suction temperature of the short tube of evaporimeter bunch and long tube bunch also can be made to be consistent, thus maximum possible play the potentiality of evaporimeter; Certain auxiliary electric expansion valve also can safety shutdown, and now cold-producing medium all flows to long tube bunch.
Further, described evaporimeter is finned heat exchanger, and its inner tube bundle is triangle fork row, and be divided into upper and lower two parts on the whole, i.e. long tube bunch and short tube bunch, fin shares; Described long tube bunch is the main body of evaporimeter, is made up of some roads long tube bunch, and described short tube bunch for soft readjustment, is made up of some short out tube bundles; Long and short tube bundle refers to the length of runner in evaporimeter, and the flow channel length of described short tube bunch is 30% ~ 60% of long tube bunch flow channel length, but is not limited thereto; The entrance point of described long tube bunch is corresponding with the port of export of described distribution tube bundle to be connected, the port of export of long tube bunch is connected with described large collecting pipe, the entrance point of described short tube bunch is connected with the port of export of described auxiliary electric expansion valve, and the port of export of described short tube bunch is connected with described little collecting pipe.
Further, described auxiliary electric expansion valve is used for the flow of bypass and adjustment portion cold-producing medium, and to control evaporating pressure and the evaporating temperature of evaporimeter short tube bunch, its numerical value is all lower than evaporating pressure and the evaporating temperature of evaporimeter long tube bunch; The arrival end of auxiliary electric expansion valve can have two kinds of positions, and a kind of and main electric expansion valve arrival end is in parallel, and another kind separates a branch from the main electric expansion valve port of export, and at this moment, the function of auxiliary electric expansion valve changes diverter function into from reducing pressure by regulating flow.
Further, described main electric expansion valve, for controlling evaporating pressure and the evaporating temperature of long tube bunch, is not got rid of here and is substituted with heating power expansion valve; The port of export of main electric expansion valve is connected with distributor entrance point, the entrance point of main electric expansion valve, and the subcooled liquid provided carrys out condenser.
Further, two parts cold-producing medium of described blender flash-pot in future mixes, and the needs of foundation evaporating pressure or evaporating temperature, can adopt various ways, as similar injector principle mixes; Or evaporating pressure regulating valve is increased after large collecting pipe; Or be the most simply directly mixed by Y-pipe.
Further, described main electric expansion valve and auxiliary electric expansion valve, be electric expansion valve.
Further, the connection of described evaporator system adopts the modes such as gas welding to complete usually.
Beneficial effect of the present invention:
1, the present invention is when effectively controlling high-temperature high-load, and the evaporating temperature of evaporimeter and suction temperature, ensure that compressor nonoverload.
2 the present invention utilize the local dehumidifying effect of evaporimeter controlled, within the specific limits, achieve humid control.
3, compact conformation of the present invention, avoids by the form such as bypass air-valve and bypass air channel, takes up space hardly.
4, the present invention runs more economical, to decrease heating or humidifier input amount, and system is more stable.
5, the present invention realizes easily, cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention, and in figure, arrow points is refrigerant flow direction.
Detailed description of the invention
See Fig. 1, a kind of evaporator system of soft readjustment function, include main electric expansion valve 1, auxiliary electric expansion valve 9, distributor 2, distribute tube bundle 3, evaporimeter 4, evaporation fan 5, large collecting pipe 6, little collecting pipe 8 and blender 7, draw after the entrance point of main electric expansion valve 1 and the entrance point of auxiliary electric expansion valve 9 are in parallel, form refrigerant inlet end, the port of export of main electric expansion valve 1 connects distributor 2 successively, distribute tube bundle 3, evaporimeter 4 is connected with the entrance point of blender 7 with after large collecting pipe 6, the port of export of auxiliary electric expansion valve 9 connects evaporimeter 4 successively and is connected with the entrance point of blender 7 with after little collecting pipe 8, the port of export of blender 7 forms refrigerant outlet end.
In the present invention, evaporimeter 4 is finned heat exchanger, and its inner tube bundle is triangle fork row, is divided into upper and lower two parts on the whole, i.e. long tube bunches 4.1 and short tube bunches 4.2, and fin shares; Long tube bunches 4.1 is the main body of evaporimeter 4, is made up of some roads long tube bunch, and short tube bunches 4.2, for soft readjustment, is made up of some short out tube bundles; Long and short tube bundle 4.1,4.2 refers to the length of runner in evaporimeter 4, wherein long tube bunches 4.1 divides way by mass velocity reasonable distribution in normal refrigerant flow and pipe, pipe range is then rationally determined with heat exchange area, the flow channel length of short tube bunches 4.2 is 30% ~ 60% of long tube bunch 4.1 flow channel lengths, but be not limited thereto, it is usual that according to specific product, to design total heat exchange area should be two-part sum, the difference of evaporating temperature and evaporating pressure should be considered in the design, and the difference of the factors such as the heat transfer temperature difference brought.
The entrance point of long tube bunches 4.1 is corresponding with the port of export distributing tube bundle 3 to be connected, the port of export of long tube bunches 4.1 is connected with large collecting pipe 6, the entrance point of short tube bunches 4.2 is connected with the port of export of auxiliary electric expansion valve 9, and the port of export of short tube bunches 4.2 is connected with little collecting pipe 8.
Main electric expansion valve 1 and auxiliary electric expansion valve 9 are electric expansion valve.
In evaporimeter 4, the phase transition process parallel connection of cold-producing medium is divided into 2 tunnels:
1st tunnel: main electric expansion valve 1 → distributor 2 → distribution tube bundle 3 → evaporimeter 4(4.1 long tube bunch part) → large collecting pipe 6 → blender 7.
2nd tunnel: auxiliary electric expansion valve 9 → evaporimeter 4(4.2-short tube bunch part) → little collecting pipe 8 → blender 7.
After air conditioner compressed mechanism cold is opened, the 1st road that main electric expansion valve 1 controls first works, and then the 2nd tunnel work utilizing auxiliary electric expansion valve 9 to control, period by the bypass of auxiliary electric expansion valve 9 and adjustment portion cold-producing medium, thus makes the efficient performance of evaporimeter 4 under special operation condition.
Main electric expansion valve 1, for controlling evaporating pressure and the evaporating temperature of long tube bunch part 4.1, not getting rid of here and substituting with heating power expansion valve; The port of export of main electric expansion valve 1 is connected with distributor 2 entrance point, and the entrance point of main electric expansion valve 1, the subcooled liquid provided carrys out condenser.
Auxiliary electric expansion valve 9, for the flow of bypass and adjustment portion cold-producing medium, to control evaporating pressure and the evaporating temperature of short tube bunch 4.2 parts.In concrete enforcement, also can separate 1 branch from the port of export of main electric expansion valve 1, connect auxiliary electric expansion valve 9 entrance point.At this moment, the function of auxiliary electric expansion valve 9 changes diverter function into from reducing pressure by regulating flow, and both distinguish to some extent in control and regulation amount, but all obtains the best open amount under different operating mode by match test.
Blender 7, in concrete enforcement, can adopt various ways.Good method: mix as adopted similar injector principle, namely two imports are had, one of them main import is connected with large collecting pipe 6 port of export, certain injection is formed during work, another auxiliary import forms negative relative, and be connected with little collecting pipe 8 port of export, can better condition be formed in short tube bunch part 4.2 like this; Secondly after large collecting pipe 6, increase evaporating pressure regulating valve, then be connected with little collecting pipe 8 port of export; The most simply directly mixed by Y-pipe.
Main electric expansion valve 1 and auxiliary electric expansion valve 9, all belong to electric expansion valve.
Evaporator system is the important part of electronic equipment air-conditioning, usually adopts the modes such as gas welding to complete with the connection of other system.
Claims (3)
1. the evaporator system of a soft readjustment function, it is characterized in that: include main electric expansion valve, auxiliary electric expansion valve, distributor, distribute tube bundle, evaporimeter, evaporation fan, large collecting pipe, little collecting pipe and blender, draw after the entrance point of described main electric expansion valve and the entrance point of auxiliary electric expansion valve are in parallel, form refrigerant inlet end, the port of export of described main electric expansion valve connects described distributor successively, distribute tube bundle, evaporimeter is connected with the entrance point of described blender with after large collecting pipe, the port of export of described auxiliary electric expansion valve connects described evaporimeter successively and is connected with the entrance point of described blender with after little collecting pipe, the port of export of described blender forms refrigerant outlet end.
2. the evaporator system of soft readjustment function according to claim 1, is characterized in that: described evaporimeter is finned heat exchanger, and its inner tube bundle is triangle fork row, and be divided into upper and lower two parts on the whole, i.e. long tube bunch and short tube bunch, fin shares; Described long tube bunch is the main body of evaporimeter, is made up of some roads long tube bunch, and described short tube bunch for soft readjustment, is made up of some short out tube bundles; The flow channel length of described short tube bunch is 30% ~ 60% of long tube bunch flow channel length; The entrance point of described long tube bunch is corresponding with the port of export of described distribution tube bundle to be connected, the port of export of long tube bunch is connected with described large collecting pipe, the entrance point of described short tube bunch is connected with the port of export of described auxiliary electric expansion valve, and the port of export of described short tube bunch is connected with described little collecting pipe.
3. the evaporator system of soft readjustment function according to claim 1, is characterized in that: described main electric expansion valve and auxiliary electric expansion valve are electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018740.2A CN104567118B (en) | 2015-01-14 | 2015-01-14 | Evaporator system having flexible adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018740.2A CN104567118B (en) | 2015-01-14 | 2015-01-14 | Evaporator system having flexible adjusting function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104567118A true CN104567118A (en) | 2015-04-29 |
| CN104567118B CN104567118B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510018740.2A Active CN104567118B (en) | 2015-01-14 | 2015-01-14 | Evaporator system having flexible adjusting function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03177761A (en) * | 1989-12-06 | 1991-08-01 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| JPH05340649A (en) * | 1992-06-10 | 1993-12-21 | Mitsubishi Electric Corp | Pefrigerant distributor and heat exchanger |
| CN201233136Y (en) * | 2008-06-13 | 2009-05-06 | Tcl集团股份有限公司 | Parallel flow evaporator |
| CN102242988A (en) * | 2011-07-04 | 2011-11-16 | 贾凤华 | Spliced aluminum alloy fin calandria evaporator |
| CN204555435U (en) * | 2015-01-14 | 2015-08-12 | 合肥天鹅制冷科技有限公司 | The evaporator system of soft readjustment function |
-
2015
- 2015-01-14 CN CN201510018740.2A patent/CN104567118B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03177761A (en) * | 1989-12-06 | 1991-08-01 | Matsushita Electric Ind Co Ltd | Heat exchanger |
| JPH05340649A (en) * | 1992-06-10 | 1993-12-21 | Mitsubishi Electric Corp | Pefrigerant distributor and heat exchanger |
| CN201233136Y (en) * | 2008-06-13 | 2009-05-06 | Tcl集团股份有限公司 | Parallel flow evaporator |
| CN102242988A (en) * | 2011-07-04 | 2011-11-16 | 贾凤华 | Spliced aluminum alloy fin calandria evaporator |
| CN204555435U (en) * | 2015-01-14 | 2015-08-12 | 合肥天鹅制冷科技有限公司 | The evaporator system of soft readjustment function |
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| Publication number | Publication date |
|---|---|
| CN104567118B (en) | 2017-01-18 |
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