CN205481963U - A microchannel regenerator structure for cooler air -conditioner system - Google Patents
A microchannel regenerator structure for cooler air -conditioner system Download PDFInfo
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- CN205481963U CN205481963U CN201620237537.4U CN201620237537U CN205481963U CN 205481963 U CN205481963 U CN 205481963U CN 201620237537 U CN201620237537 U CN 201620237537U CN 205481963 U CN205481963 U CN 205481963U
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- regenerator
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Abstract
The utility model provides a microchannel regenerator structure for cooler air -conditioner system, is including setting up the end plate in the casing, the apron of lid on the end plate, and the perpendicular a plurality of baffles that fall into the regenerator a plurality of shell sides between the end plate that set up a plurality of flat pipe in the middle of the shell side, still including the last lateral cavity who has an air inlet who sets up on regenerator casing same side upper portion, the lower lateral cavity who has a gas outlet of lower part, adjacent baffle looks spaced and last lateral cavity or lateral cavity intercommunication down in a plurality of baffles, the baffle that does not feed through with lateral cavity down lie in down lateral cavity's part and open and have the oil drain hole to be used for the removal of lubricant, this regenerator compact structure can strengthen heat exchange efficiency, and increase heat transfer effective area improves the compressor super -heated rate of breathing in, reduces the refrigerant simultaneously and fills the fluence, and have the stock solution function.
Description
Technical field
This utility model relates to refrigeration technology field, is specifically related to a kind of microchannel regenerator structure for air-conditioning refrigeration system.
Background technology
In air-conditioning refrigeration system, in order to improve the refrigerating capacity of system and the properly functioning of safeguards system, it is sometimes equipped with regenerator.Regenerator makes the subcooled liquid of condenser and the superheated vapor carrying out flash-pot carry out heat exchange.The result of exchange is that refrigerant liquid degree of supercooling increases, and in muffler, the degree of superheat of air-conditioning steam increases, and makes the refrigerant gas temperature of entrance compressor improve.So, not only can increase specific refrigerating effect with strengthen evaporator heat exchange efficiency, and can reduce invalid overheated.For some carbon-hydrogen type coolant, such as R290, improve the suction temperature of compressor and the operating temperature of lubricating oil by increasing regenerator, cold-producing medium dissolubility in lubricating oil bath can be reduced, improve lubricating oil minimal viscosity, thus improve the reliability of compressor.Therefore, in steam compression type refrigerating circulates, a regenerator is installed the most in systems and guarantees that refrigeration system is properly functioning.
The existing regenerator being applied to Small Refrigerating Equipment mainly has sticking type and bushing type two types.For two kinds of above-mentioned regenerators, there are disadvantages that and not enough, the effective area being mainly manifested in heat exchange is little, and heat transfer effect is bad, and structure is complicated, and size is relatively big, the compactest.Increasing of regenerator is bigger by being greatly improved the charging amount of cold-producing medium in refrigeration system.
Micro-channel heat exchanger technology comes across in the heat dissipation technology of electronic applications electronic component the earliest, and micropore heat transfer is greatly improved heat transfer and mass-transfer efficiency.The nineties in last century, this technology is extended to field of automobile air conditioner, and its light weight, coefficient of heat transfer feature high, corrosion resistant just meets the air conditioning for automobiles demand for high performance heat exchanger.By microchannel, new regenerator structure can be proposed, solve some shortcoming and defect that above-mentioned tradition regenerator exists.
Summary of the invention:
For the problem overcoming above-mentioned prior art to exist, the utility model proposes a kind of microchannel regenerator structure for air-conditioning refrigeration system, this regenerator structure is compact, heat exchange efficiency can be strengthened, increase heat exchange effective area, improve the compressor air suction degree of superheat, reduce refrigerant charge simultaneously, and there is liquid storage function.
In order to achieve the above object, this utility model adopts the following technical scheme that
A kind of microchannel regenerator structure for air-conditioning refrigeration system, including being separately positioned on the bottom plate 03a and upper head plate 03b of top and bottom in housing, cover at the lower cover 04a outside bottom plate 03a and upper head plate 03b and upper cover plate 04b respectively, it is vertically set on multiple baffle plates 09 that between bottom plate 03a and upper head plate 03b, regenerator is divided into some shell sides, being arranged on the one or more flat tubes 10 in the middle of shell side, flat tube 10 two ends are each passed through bottom plate 03a and upper head plate 03b；In first shell side in the right, the upper notch of flat tube connects with the flow channel for liquids on upper cover plate 04b, and connect with the liquid outlet tube 02 at upper cover plate 04b top, in first shell side in the right, the bottom notch of flat tube is connected by lower cover 04a bottom liquid outlet pipe 02 with the bottom notch of flat tube in second right shell side, by that analogy, in Far Left shell side, the bottom notch of flat tube connects with the flow channel for liquids on lower cover 04a, and connects with the liquid inlet duct 01 bottom lower cover 04a；Also include the upper side chamber 07 with air inlet 05 being arranged on top, regenerator housing same side, the lower side chamber 08 with gas outlet 06 of bottom；Adjacent screen connecting with upper side chamber 07 or lower side chamber 08 separately in the plurality of baffle plate 09, the baffle plate 09 not connected with lower side chamber 08 is positioned at the part of lower side chamber 08 and has outage 11 for removal of lubricant.
The upper surface of described upper side chamber 07 is concordant with the upper plane of upper head plate 03b, and lower side chamber 08 lower plane is concordant with the upper plane of bottom plate 03a.
The both sides of described flat tube 10 are provided with foam metal or metal fin.
Described foam metal material is copper, and the organic silica gel using heat conductivity good is fixed on flat tube 10.
Described metal fin is plain fin or saw tooth fin, and thickness is 0.2 to 0.3 millimeter, and material is aluminium alloy.
When for odd number shell side, air inlet 05 and gas outlet 06 and liquid inlet duct 01 and liquid outlet tube 02 are respectively at the two ends of regenerator, and air inlet 05 and gas outlet 06 are in different side chamber；When for even number shell side, air inlet 05 and gas outlet 06 and liquid inlet duct 01 and liquid outlet tube 02 are in same side chamber in same one end of regenerator, i.e. air inlet 05 and gas outlet 06.
Described shell side is three, and accordingly, the quantity of multiple baffle plates 09 is two, the respectively first baffle plate 09a and second baffle 09b.
The most relatively, this utility model possesses following advantage:
First, regenerator described in the utility model have employed micro-channel flat and foam metal or metal fin, which increases the effective heat exchange area of regenerator, makes heat transfer effect be remarkably reinforced, and improves the compressor air suction degree of superheat.And after employing MCA, the charging amount of cold-producing medium can be made to reduce, and regenerator structure is compact, loss of refrigeration capacity can reduce.
Second, regenerator shell side described in the utility model is filled with the foam metal with copper as material or metal fin, which further enhances the heat exchange of regenerator internal gas liquid, make heat transfer effect further enhance.
3rd, at regenerator described in the utility model beyond last shell side, a certain amount of refrigerant liquid can be stored bottom other shell sides, prevent the generation of compressor liquid hammer, so the reservoir can cast out in domestic air-conditioning system, save reservoir manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the appearance schematic diagram of regenerator described in the utility model.
Fig. 2 is the sectional view (rearview) of regenerator described in the utility model, and view direction is the A direction shown in Fig. 1.
Fig. 3 is sectional view A A (upward view) of regenerator described in the utility model, and view direction is the B direction shown in Fig. 1.
Fig. 4 is cross-sectional views B B (upward view) of regenerator described in the utility model, and view direction is the B direction shown in Fig. 1.
Fig. 5 is sectional view C C (upward view) of regenerator described in the utility model, and view direction is the B direction shown in Fig. 1.
Fig. 6 is sectional view D D (upward view) of regenerator described in the utility model, and view direction is the B direction shown in Fig. 1.
Detailed description of the invention:
With specific embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
During work, high-temp liquid cold-producing medium flows in the micro-channel flat 10 of regenerator.Low temperature refrigerant gas then flows in each shell side (the most 2. and 3.) of regenerator, with the refrigerant liquid generation heat exchange in flat tube 10, high-temp liquid refrigerant liquid heat release in flat tube 10 is the most supercool, and the low temperature refrigerant gas in shell side is then the most overheated because absorbing the heat of liquid.Liquid refrigerant and gas refrigerant countercurrent flow.
Fig. 1 is the appearance schematic diagram of this microchannel regenerator embodiment, Fig. 2 is its internal structure sectional view, direction is A direction (see Fig. 1), this regenerator embodiment is the structure of three shell sides, wherein flat tube 10 number is three (10a, 10b and 10c), and baffle plate 09 number is two (09a and 09b).The most 2. and 3. as it is shown in figure 1, regenerator is divided into three shell sides by baffle plate 09.Flat tube 10 (see Fig. 2) it is provided with in each shell side.Liquid refrigerant is in flat tube 10 internal flow, and gas refrigerant flows (i.e. inside shell side) outside flat tube 10.As in figure 2 it is shown, flat tube 10 two ends are inserted respectively on bottom plate 03a and upper head plate 03b, bottom plate 03a and upper head plate 03b is stamped lower cover 04a and upper cover plate 04b respectively.The groove at side surface at flat tube 10 two, can coordinate with the flow channel for liquids on lower cover 04a and upper cover plate 04b respectively, makes liquid refrigerant according to flow passage designed on cover plate.
Liquid flow line: Fig. 2 is its internal structure sectional view, and its view direction is A direction (see Fig. 1).Fig. 3 and Fig. 4 is respectively regenerator sectional view on A-A and section B-B (see Fig. 2), and its direction is B direction (see Fig. 1).As shown in Figure 2, the high-temp liquid that condenser flows out flows into regenerator from liquid inlet duct 01, runner on lower cover 04a flows into the first flat tube 10a (see Fig. 3), upper cover plate 04b is flowed upwardly into by the first flat tube 10a, the second flat tube 10b (see Fig. 4) is flowed into from the first flat tube 10a after the runner lane-change in cover plate 04b, lower cover 04a is flowed downwardly into by flat tube the 2nd 10b, the 3rd flat tube 10c (see Fig. 3) is flowed into from the second flat tube 10b after the runner lane-change in lower cover 04a, the most repeatedly, finally flowed out by the liquid outlet tube 02 on cover plate 04b.
Gas flow path: Fig. 5 and Fig. 6 is respectively regenerator sectional view on C-C and D-D cross section (see Fig. 2), and its direction is B direction (see Fig. 1).As it is shown in figure 1, due to the first baffle plate 09a and the effect of second baffle 09b, not connecting between the of upper side chamber 07 1. shell side and the 2. shell side, 2. the connect between shell side and the 3. shell side.Connecting between the of lower side chamber 08 1. shell side and the 2. shell side, 2. the do not connect between shell side and the 3. shell side.Gas flows into 1. shell side flow downward (see Fig. 2 and Fig. 5) from the air inlet 05 of upper side chamber 07, after and through chamber, downside 08 by the 1. shell side flow into the 2. shell side flow up (see Fig. 2 and Fig. 6), after again through upper side chamber 07 by the 2. shell side flow into the 3. shell side flow up (see Fig. 2 and Fig. 5), the most repeatedly, finally (see Fig. 6) is flowed out by the gas outlet 06 of lower side chamber 08.
In above-mentioned lower side chamber 08,2. do not connect between shell side and 3. shell side, but has outage 11 in second baffle 09b for removal of lubricant (see Fig. 1).
The upper surface of above-mentioned upper side chamber 07 is concordant with upper head plate 03b (see Fig. 2).
Above-mentioned lower side chamber 08 is concordant with the upper plane of bottom plate 03a (see Fig. 2).A certain amount of refrigerant liquid can be stored bottom 1. shell side and 2. shell side, prevent liquid refrigerant to be directly entered compressor, cause liquid hammer to occur.
Scheme described above only has three shell sides, can according to demand and heat transfer effect changes shell side number.When for odd number shell side, air inlet 05 and gas outlet 06 and liquid inlet duct 01 and liquid outlet tube 02 are respectively at the two ends of regenerator, and air inlet 05 and gas outlet 06 are in different side chamber；When for even number shell side, air inlet 05 and gas outlet 06 and liquid inlet duct 01 and liquid outlet tube 02 are in same side chamber in same one end of regenerator, i.e. air inlet 05 and gas outlet 06.
When scheme described above only has a shell side, in order to reach the function of liquid storage, air inlet can be installed on side chamber under regenerator, air vent is installed on upper side chamber, and bottom regenerator, installs back oil pipe, it is ensured that lubricating oil flows back to compressor smoothly.
Flat tube number in a shell side recited above can as required and heat transfer effect determines to install one or more, for convenience, and explanation as a example by installing in the present embodiment.
As preferred implementation of the present utility model, described foam metal material is copper or other metals.Foam metal filled in the both sides of flat tube 10, and be fixed on flat tube 10 and baffle plate 09 with the organic silica gel that heat conductivity is good, for improving the heat exchange efficiency of gas side.
As preferred implementation of the present utility model, described fin is plain fin or saw tooth fin, and thickness is 0.2 to 0.3 millimeter, and material is aluminium alloy or other metals.
Claims (7)
1. the microchannel regenerator structure for air-conditioning refrigeration system, it is characterised in that: include setting respectively
Put bottom plate (03a) and the upper head plate (03b) of top and bottom in housing, cover respectively at bottom plate (03a)
The lower cover (04a) outside with upper head plate (03b) and upper cover plate (04b), be vertically set on bottom plate (03a)
And between upper head plate (03b), regenerator is divided into multiple baffle plates (09) of some shell sides, it is arranged in the middle of shell side
One or more flat tubes (10), flat tube (10) two ends are each passed through bottom plate (03a) and upper head plate (03b)；
In first shell side in the right, the upper notch of flat tube connects with the flow channel for liquids on upper cover plate (04b), and with upper
Liquid outlet tube (02) connection at cover plate (04b) top, the bottom notch of flat tube in the shell side of first, the right
With the bottom notch of flat tube in second right shell side by lower cover (04a) bottom liquid outlet pipe (02)
Connection, by that analogy, the bottom notch of flat tube and the flow channel for liquids on lower cover (04a) in Far Left shell side
Connection, and connect with the liquid inlet duct (01) of lower cover (04a) bottom；Also include being arranged on regenerator
The upper side chamber (07) with air inlet (05) on top, housing same side, bottom with gas outlet (06)
Lower side chamber (08)；In the plurality of baffle plate (09) adjacent screen separately with upper side chamber (07) or under
Side chamber (08) connects, and the baffle plate (09) not connected with lower side chamber (08) is positioned at lower side chamber (08)
Part has outage (11) for removal of lubricant.
Microchannel regenerator structure for air-conditioning refrigeration system the most according to claim 1, its feature
It is: the upper surface of described upper side chamber (07) is concordant with the upper plane of upper head plate (03b), lower side chamber (08)
Lower plane is concordant with the upper plane of bottom plate (03a).
Microchannel regenerator structure for air-conditioning refrigeration system the most according to claim 1, its feature
It is: the both sides of described flat tube (10) are provided with foam metal or metal fin.
Microchannel regenerator structure for air-conditioning refrigeration system the most according to claim 3, its feature
Being: described foam metal material is copper, the organic silica gel using heat conductivity good is fixed on flat tube (10).
Microchannel regenerator structure for air-conditioning refrigeration system the most according to claim 3, its feature
Being: described metal fin is plain fin or saw tooth fin, thickness is 0.2 to 0.3 millimeter, and material is
Aluminium alloy；The broken line of fin is identical with gas flow direction.
Microchannel regenerator structure for air-conditioning refrigeration system the most according to claim 1, its feature
It is: when for odd number shell side, air inlet (05) and gas outlet (06) and liquid inlet duct (01)
With liquid outlet tube (02) respectively at the two ends of regenerator, air inlet (05) and gas outlet (06) are in
Different side chamber；When for even number shell side, air inlet (05) and gas outlet (06) and liquid inlet
Pipe (01) and liquid outlet tube (02) in same one end of regenerator, i.e. air inlet (05) and gas outlet (06)
It is in same side chamber.
Microchannel regenerator structure for air-conditioning refrigeration system the most according to claim 1, its feature
Being: described shell side is three, accordingly, the quantity of multiple baffle plates (09) is two, respectively first
Baffle plate (09a) and second baffle (09b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620237537.4U CN205481963U (en) | 2016-03-24 | 2016-03-24 | A microchannel regenerator structure for cooler air -conditioner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620237537.4U CN205481963U (en) | 2016-03-24 | 2016-03-24 | A microchannel regenerator structure for cooler air -conditioner system |
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| Publication Number | Publication Date |
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| CN205481963U true CN205481963U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620237537.4U Expired - Fee Related CN205481963U (en) | 2016-03-24 | 2016-03-24 | A microchannel regenerator structure for cooler air -conditioner system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650951A (en) * | 2016-03-24 | 2016-06-08 | 西安交通大学 | Micro-channel heat regenerator used for air conditioner refrigerating system |
| CN107830751A (en) * | 2017-10-19 | 2018-03-23 | 天津商业大学 | A kind of efficient CO2Gas cooler |
| CN108317774A (en) * | 2018-01-31 | 2018-07-24 | 天津商业大学 | A kind of CO based on foam metal2Cooling evaporator |
| CN109827796A (en) * | 2019-03-29 | 2019-05-31 | 北京航空航天大学 | A kind of experimental bench for the test of Microturbine Recuperators unit performance |
-
2016
- 2016-03-24 CN CN201620237537.4U patent/CN205481963U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105650951A (en) * | 2016-03-24 | 2016-06-08 | 西安交通大学 | Micro-channel heat regenerator used for air conditioner refrigerating system |
| CN107830751A (en) * | 2017-10-19 | 2018-03-23 | 天津商业大学 | A kind of efficient CO2Gas cooler |
| CN108317774A (en) * | 2018-01-31 | 2018-07-24 | 天津商业大学 | A kind of CO based on foam metal2Cooling evaporator |
| CN109827796A (en) * | 2019-03-29 | 2019-05-31 | 北京航空航天大学 | A kind of experimental bench for the test of Microturbine Recuperators unit performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20190324 |
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| CF01 | Termination of patent right due to non-payment of annual fee |