CN1914465A - Condenser - Google Patents
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- CN1914465A CN1914465A CN 200580003286 CN200580003286A CN1914465A CN 1914465 A CN1914465 A CN 1914465A CN 200580003286 CN200580003286 CN 200580003286 CN 200580003286 A CN200580003286 A CN 200580003286A CN 1914465 A CN1914465 A CN 1914465A
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Abstract
A condenser comprises an inlet header 5 and an outlet header 6 spaced apart from each other and extending vertically, a plurality of flat refrigerant tubes 7 arranged one above another in parallel at a spacing between the two headers 5, 6 and jointed at opposite ends thereof to the respective headers 5, 6, and fins 8 provided between respective adjacent pairs of refrigerant tubes 7. The inlet header 5 has a refrigerant inlet for admitting a refrigerant into interior thereof therethrough, and the outlet header 6 has a refrigerant outlet for causing the refrigerant to flow out therethrough. The refrigerant as admitted into the inlet header 5 through the inlet being flows through the refrigerant tubes 7 toward the outlet header 6. The number of refrigerant tubes 7 positioned below the center of the refrigerant inlet with respect to the vertical direction is up to 21, preferably up to 16, more preferably up to 7. The condenser can be prevented from becoming impaired in condensation performance when the refrigerant has a compressor lubricant incorporated therein.
Description
The cross reference of related application
The application proposes according to 35U.S.C. § 111 (a), and requires the provisional application No.60/540 according to 35U.S.C. § 111 (b) submission on February 2nd, 2004,335 applying date interests according to 35U.S.C. § 119 (e) (1).
Technical field
The present invention relates to for example be used for the condenser of motor vehicle air conditioners, this motor vehicle air conditioners is the kind of refrigeration cycle that will be installed in the motor vehicles.
In this specification and claims, the upside of accompanying drawing and downside and left-hand side and right-hand side be called as respectively " on ", D score, " left side " and " right side ".
Background technology
The kind of refrigeration cycle that forms motor vehicle air conditioners has compressor, condenser, pressure reducer (expansion valve) and evaporimeter.To have high temperature and high pressure and be condensed into liquid refrigerant by condenser, and by expansion valve this liquid refrigerant be expanded under the pressure that reduces then, after this make the cold-producing medium evaporation by evaporimeter by the gaseous refrigerant that compressor compresses.In order to make kind of refrigeration cycle more efficient, use subcooler in recent years in practice, to be used for that the liquid refrigerant supercooling of the device condensation that is condensed is arrived about 15 ℃ temperature to hang down about 5 ℃ than condensation temperature.
Known such condenser, this condenser comprise space and vertically extending a pair of collector, between this is to collector one of compartment of terrain on another, be arranged in parallel and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes.Collector has the cold-producing medium of permission and enters the refrigerant inlet of this collector inside by it, and another collector has and is used to make cold-producing medium to pass through the refrigerant outlet of its outflow.The cold-producing medium that enters an above-mentioned collector by refrigerant inlet flows through all refrigerator pipes (seeing for example communique JP-A No.2001-33121) towards another collector.This communique discloses a kind of heat exchanger, this heat exchanger comprises condenser and is arranged on subcooler under the condenser, this subcooler comprises space and vertically extending a pair of collector, between this is to collector one of compartment of terrain on another parallel be provided with and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes.Two collectors of this of condenser join on corresponding two collectors of subcooler, and are plugged with separator between each is to the collector that engages.In attaching on the collector with refrigerant outlet of condenser and on subcooler and collector that this collector engages the receiver case is arranged, thereby flow into the collector of subcooler from the cold-producing medium that the outlet of condenser is flowed out by the receiver case.
In the compressor of kind of refrigeration cycle, make with lubricator so that lubricated slipper.Therefore, arrive the compressor lubricant of about 10 quality % in the cold-producing medium inevitably in conjunction with the 3 quality % that have an appointment.To such an extent as to exist compressor lubricant can bring infringement condensation performance to reduce the problem of the refrigerating efficiency of kind of refrigeration cycle in the cold-producing medium.Especially obvious under the situation of the impaired condenser in the disclosed type of above-mentioned communique of condensation performance, this condenser comprises space and vertically extending a pair of collector, between this is to collector one of compartment of terrain on another parallel be provided with and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes, a collector has the cold-producing medium of permission and enters the refrigerant inlet of collector inside by it, and another collector has and is used to make cold-producing medium to pass through the refrigerant outlet of its outflow, and the cold-producing medium that enters an above-mentioned collector by refrigerant inlet flows through all refrigerator pipes towards another collector.
A target of the present invention is to address the above problem and provide a kind of condenser, even be combined with in cold-producing medium can be not impaired under the situation of compressor lubricant yet for the condensation performance of this condenser.
Summary of the invention
In order to address the above problem, the applicant has carried out extensive studies and has found for disclosed condenser in the above-mentioned communique, be mixed with in cold-producing medium under the situation of compressor lubricant, the quantity that is positioned at the refrigerator pipes under the center vertically of refrigerant inlet can influence the weakening of condensation performance.More specifically, if the quantity of refrigerator pipes is too much, then thereby compressor lubricant is deposited to the main refrigerator pipes that is arranged in the bottom that flows in bottom of inlet header, therefore can reduce the amount of the cold-producing medium that flows through the pipe in this bottom, and reduces to help the quantity of the refrigerator pipes of condensation.
The present invention includes following pattern based on what this discovery was finished.
1) a kind of condenser, this condenser comprises along left and right directions and being spaced from each other and vertically extending inlet header and outlet header, between these two collectors one of compartment of terrain on another parallel be provided with and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes, this inlet header has refrigerant inlet so that allow cold-producing medium to enter this inlet header inside by this inlet, this outlet header has refrigerant outlet and flows out so that make cold-producing medium pass through this outlet, the cold-producing medium that enters this inlet header by inlet can flow through all refrigerator pipes towards this outlet header, and the quantity that is positioned at the refrigerator pipes under the center vertically of this refrigerant inlet is in 21.
2) according to paragraph 1) condenser, the quantity that wherein is positioned at the refrigerator pipes under the center vertically of this refrigerant inlet is in 7.
3) according to paragraph 1) condenser, wherein this condenser has 22 to 70 refrigerator pipes altogether.
4) according to paragraph 1) condenser, wherein the height seen from the front of this condenser be 150mm to 500mm, the width of the left and right directions of refrigerator pipes be 200mm to 800mm, highly for 0.8mm to 3mm, be spaced apart 4.5mm to 12mm between every pair of adjacent refrigerator pipes.
5) according to paragraph 1) condenser, be mixed with the compressor lubricant of 3 quality % in the cold-producing medium wherein to be used to 10 quality %.
6) a kind of condenser, this condenser comprises along left and right directions and being spaced from each other and vertically extending two collectors, between these two collectors one of compartment of terrain on another parallel be provided with and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes, this condenser comprises parallel a plurality of pipe groups that are provided with on another, each pipe group includes some refrigerator pipes in parallel refrigerator pipes that is provided with on another of adjoining land, cold-producing medium can flow through all refrigerator pipes that constitute each pipe group along same direction, the flow direction difference of the cold-producing medium of adjacent every couple of Guan Zuzhong, a collector has refrigerant inlet at the height place corresponding to the pipe group that is positioned at the upper end so that allow cold-producing medium to enter this collector inside by this inlet, a described collector has this refrigerant inlet, perhaps another collector has refrigerant outlet at the height place corresponding to the pipe group that is positioned at the lower end so that cold-producing medium flows out by this outlet, the cold-producing medium that enters by this inlet can flow through the refrigerator pipes of all pipe groups so that discharge by this outlet, is included in the interior and quantity that is positioned at the refrigerator pipes under the center vertically of this refrigerant inlet of this upper pipes group in 21.
7) according to paragraph 6) condenser, wherein be included in this upper pipes group and the quantity that is positioned at the refrigerator pipes under the center vertically of this refrigerant inlet in 7.
8) according to paragraph 6) condenser, wherein this upper pipes group has 22 to 70 refrigerator pipes altogether.
9) according to paragraph 6) condenser, wherein the width of the left and right directions of this refrigerator pipes be 200mm to 800mm, highly for 0.8mm to 3mm, be spaced apart 4.5mm to 12mm between every pair of adjacent refrigerator pipes, the height that this upper pipes group is seen from the front is that 150mm is to 500mm.
10) according to paragraph 6) condenser, refrigerant mixed wherein to be used has the compressor lubricant of 3 quality % to 10 quality %.
11) a kind of heat exchanger, this heat exchanger have comprise according to paragraph 1) condenser condenser portion and be arranged on subcooler part under this condenser portion, this subcooler partly comprises along left and right directions and being spaced from each other and vertically extending a pair of collector, between these two collectors one of compartment of terrain on another parallel be provided with and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes, the outlet header of this condenser portion is provided with and is plugged with separator with a collector of this subcooler part between them, the inlet header of this condenser portion is provided with and is plugged with separator with another collector of this subcooler part between them, attaching has the receiver case on a described collector of the outlet header of this condenser portion and this subcooler part, and the cold-producing medium of discharging from the refrigerant outlet of this condenser portion can flow into a described collector of this subcooler part by this receiver case.
12) a kind of heat exchanger, this heat exchanger have comprise according to paragraph 6) condenser condenser portion and be arranged on subcooler part under this condenser portion, this subcooler partly comprises along left and right directions and being spaced from each other and vertically extending a pair of collector, between these two collectors one of compartment of terrain on another parallel be provided with and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes, a collector that has refrigerant outlet and be included in this condenser portion is provided with and is plugged with separator with this subcooler collector partly between them, another collector of this condenser portion is provided with and is plugged with separator with another collector of this subcooler part between them, described have refrigerant outlet and be included in collector in the condenser portion and a described collector of this subcooler part on attaching the receiver case is arranged, the cold-producing medium of discharging from the refrigerant outlet of this condenser portion can flow into a described collector of this subcooler part by this receiver case.
13) according to paragraph 11) or 12) condenser, be mixed with the compressor lubricant of 3 quality % in the cold-producing medium wherein to be used to 10 quality %.
14) a kind ofly have compressor, according to paragraph 1) or 6) the kind of refrigeration cycle of condenser, pressure reducer and evaporimeter, this kind of refrigeration cycle is suitable for using and wherein is mixed with the cold-producing medium of 3 quality % to the compressor lubricant of 10 quality %.
15) kind of refrigeration cycle a kind of comprising according to paragraph 14) is as the vehicle of conditioner.
16) a kind ofly have compressor, according to paragraph 11) or 12) the kind of refrigeration cycle of heat exchanger, pressure reducer and evaporimeter, this kind of refrigeration cycle is suitable for using and wherein is mixed with the cold-producing medium of 3 quality % to the compressor lubricant of 10 quality %.
17) kind of refrigeration cycle a kind of comprising according to paragraph 16) is as the vehicle of conditioner.
Paragraph 1) described condenser portion has 21 with interior refrigerator pipes under the center vertically of refrigerant inlet, thereby even cold-producing medium contains lubricant, this cold-producing medium still can easily flow into the refrigerator pipes that is positioned at the bottom.Therefore, the refrigerator pipes of larger amt helps condensation to alleviate the weakening to the condensation performance.
According to paragraph 2) condenser more effectively reduced weakening to the condensation performance.
When as paragraph 3) as described in refrigerator pipes add up to 22 to 70 the time, according to paragraph 1) the condenser effect remarkable.
When as paragraph 5) as described in cold-producing medium when containing 3 quality %, according to paragraph 1 to the compressor lubricant of 10 quality %) the condenser effect remarkable.
For paragraph 6) interior described condenser, the upper pipes group has 21 with interior refrigerator pipes under the center vertically of refrigerant inlet, even thereby cold-producing medium contains lubricant, this cold-producing medium still can easily flow into the refrigerator pipes of the bottom that is positioned at the upper pipes group, and the quantity that therefore increases the pipe that helps condensation is to reduce the weakening to the condensation performance.
According to paragraph 7) condenser make the upper pipes group can more effectively suppress weakening to the condensation performance.
When as paragraph 8) as described in formation upper pipes group refrigerator pipes add up to 22 to 70 the time, according to paragraph 6) the condenser effect remarkable.
When as paragraph 10) as described in cold-producing medium when containing 3 quality %, according to paragraph 6 to the compressor lubricant of 10 quality %) the condenser effect remarkable.
Description of drawings
Fig. 1 is the general front view that comprises the heat exchanger embodiment of condenser of the present invention;
Fig. 2 is the cutaway view of amplification of the refrigerant inlet spare part of condenser in the heat exchanger of Fig. 1;
Fig. 3 is the general front view of heat exchanger embodiment 2;
Fig. 4 is the general front view of the heat exchanger of comparative example;
Fig. 5 is the general front view of another embodiment of the present invention.
The specific embodiment
Embodiments of the invention hereinafter are described with reference to the accompanying drawings.In the accompanying drawings, will indicate same parts with same numeral, and will be no longer to its repeat specification.
According to first embodiment, the present invention shows as a kind of heat exchanger, and this heat exchanger comprises condenser and the subcooler that is assembled into a unit.In the explanation hereinafter, term " aluminium " also comprises aluminium alloy except fine aluminium.
Fig. 1 illustrates the total structure of the heat exchanger with the condenser portion that comprises condenser of the present invention, and Fig. 2 illustrates the structure of the major part of heat exchanger.
With reference to Fig. 1, heat exchanger 1 comprises condenser portion 2 and the subcooler part 3 that is arranged in the vertical plane, and wherein subcooler part 3 is placed under the condenser portion 2.Attaching has receiver case 4 on condenser portion 2 and subcooler part 3.
Subcooler part 3 comprise be spaced from each other and vertically extending aluminum first collector 11 and aluminum second collector 12, in compartment of terrain between these two collectors 11,12 one on another parallel be provided with and its two ends join a plurality of aluminum flat refrigerant tube 13 on the respective headers 11,12 to and be arranged on adjacent each to refrigerator pipes 13 between and soldering waveform aluminum fin 14 thereon.Under the refrigerator pipes 13 of the lower end that is positioned at pipe unit, be provided with aluminum side plate 15 with being spaced from.Between this side plate 15 and this end pipe 13, also soldering is set also waveform aluminum fin 14 is arranged.
Although not shown, the refrigerator pipes 7,13 of condenser portion 2 and subcooler part 3 all has the coolant channel with non-circular cross sections of a plurality of parallel formation.The hydraulic diameter Dh of refrigerator pipes 7,13 is preferably 0.2mm to 1.6mm.When the refrigerator pipes 7 or 13 that will have a plurality of non-circular cross sections coolant channels was used as the pipe with single passage, the equivalent diameter of this passage was called hydraulic diameter Dh, and this hydraulic diameter is limited by following equation:
Dh＝4m
Wherein m is Ac/Pi, and Ac is total cross-sectional area of coolant channel, and Pi is the inner circumferential length of the cross section of coolant channel.
The collector of condenser portion 2 to 5,6 and the collector of subcooler part 3 provide by a pair of left and right box 16 11,12, this vertically extends, is provided with separator 17 so that separate its inside in closed at both ends and in the bottom part left and right box 16.The part on separator 17 of right case 16 is as the inlet header 5 of condenser portion 2, and the case under separator 17 partly is used as second collector 12 of subcooler part 3.The part on separator 17 of left side case 16 is as the outlet header 6 of condenser portion 2, and the case under separator 17 partly is used as first collector 11 of subcooler part 3.
Engaging on the inlet header 5 of condenser portion 2 has refrigerant inlet spare 18, so that allow cold-producing medium to enter collector by this entrance member.Engaging on the outlet header 6 has refrigerant outlet spare 19, flows out collector inside and flows into receiver case 4 so that make cold-producing medium pass through this outlet member.As shown in Figure 2, the entrance member 18 of condenser 2 has the insertion portion 18a in the refrigerant inlet 23 that will be inserted in the perisporium that is formed on inlet header 5, and provide refrigerant passage 18b, this path has an openend at the inner end place of insertion portion 18a, and has another openend at the place, end that is positioned at inlet header 5 outsides of entrance member 18.
Engaging on first collector 11 of subcooler part 3 has refrigerant inlet spare 21, so that allow cold-producing medium to enter collector by this entrance member from receiver case 4.Engaging on second collector 12 has refrigerant outlet spare 22, flows out collector so that make cold-producing medium pass through this outlet member.
Although not shown, the outlet member 22 of subcooler part 3 has and described entrance member 18 identical construction, and with these entrance member 18 the same joints the refrigerant outlet (not shown) that is formed in second collector 12 is arranged.The outlet member 19 of condenser portion 2 joins on outlet header 6 and the receiver case 4, so that the refrigerant outlet (not shown) that is formed in the lower end of outlet header 6 is connected with the refrigerant inlet (not shown) of receiver case 4.The entrance member 21 of subcooler part 3 joins on first collector 11 and the receiver case 4, so that the refrigerant outlet (not shown) of receiver case 4 is connected with refrigerant inlet (not shown) in being formed on first collector 11.
Have high temperature and high pressure and entered inlet header 5 by entrance member 18 by the gaseous refrigerant that compressor compresses, pass through the inlet 23 of condenser portion 2 then, this cold-producing medium condenses, flows into outlet header 16, flows into receiver case 4 by outlet and outlet member 19 then when flowing through all refrigerator pipes 7 left, remove impurity and water in the cold-producing medium in this receiver case.After this, cold-producing medium by entrance member 21 flow into first collector 11 of cooler parts 3, when flowing through all refrigerator pipes 13 to the right by supercooling to 5 ℃ to 15 ℃, flow into outlet header 12 and be sent to evaporimeter via outlet member 22 and expansion valve.
The height H that condenser portion 2 is seen from the front for example is that 150mm is to 500mm, refrigerator pipes 7 along length (about) width W of direction be 200mm to 800mm and highly for 0.8mm to 3mm, 12mm is arrived for 4.5mm in the interval (fin height) between adjacent every pair of refrigerator pipes 7.Refrigerator pipes 7 in the condenser portion 2 add up to 22 to 70.Under the center O (see figure 2) with respect to vertical direction of the refrigerant inlet 23 of the inlet header 5 of condenser portion 2, this condenser portion 2 has maximum 21 refrigerator pipes 7.The quantity with respect to the refrigerator pipes under the center O of vertical direction 7 that is positioned at inlet 23 preferably mostly is most 16, more preferably maximum 7.
Described heat exchanger 1 is suitable for wherein making with lubricator condenser, pressure reducer (expansion valve) and evaporimeter form kind of refrigeration cycle.Therefore, be combined with the compressor lubricant of 3 quality % in the cold-producing medium that will in this kind of refrigeration cycle, circulate to 10 quality %.This kind of refrigeration cycle is as the conditioner in motor vehicles or the similar vehicles.
Hereinafter provide comparative example and specific example of the present invention, in specific example, use heat exchanger with above-mentioned structure.
Example 1
In this example, use heat exchanger 1, this heat exchanger comprises condenser portion 2 and subcooler part 3, the total height of their combination is 360mm and total left and right sides width is 600mm, and the height H of condenser portion 2 is 300mm, refrigerator pipes 7 in the condenser portion 2 add up to 43, refrigerator pipes 13 in the subcooler part 3 add up to 7, and the quantity with respect to the refrigerator pipes under the center O of vertical direction 7 that is positioned at the refrigerant inlet 23 of condenser portion 2 is 21 (see figure 1)s.
Example 2
Use heat exchanger 1A in this example, except condenser portion 2 has under the center O with respect to vertical direction of refrigerant inlet 23 7 refrigerator pipes 7 (see figure 3)s, the structure of heat exchanger 1A is identical with example 1.
Comparative example
Use heat exchanger 1B in this example, except condenser portion 2 has under the center O with respect to vertical direction of refrigerant inlet 23 40 refrigerator pipes 7 (see figure 4)s, the structure of heat exchanger 1B is identical with example 1.
Evaluation test
Use these heat exchangers 1,1A, 1B and compressor, expansion valve and evaporimeter to be assembled into kind of refrigeration cycle, and at should circulation corresponding to the operational testing under the simulation driving conditions of the speed of a motor vehicle of 40km/h.The temperature one of waiting to introduce the air in the space between 7 pairs of the adjacent refrigerator pipes of condenser portion 2 is that intake air temperature-T is 40 ℃, and flow velocity is 2m/s.
Measure average adiabatic condensation temperature Tc, and calculate the poor Tx between average adiabatic condensation temperature Tc and the intake air temperature T.Table 1 illustrates this result.Calculate 1/Tx in addition, the value calculated is compared with the value as the 1/Tx of 100 comparative example.Table 1 illustrates this result.The value of 1/Tx is big more, and then performance is good more.
Table 1
| Intake air temperature (℃) | Average adiabatic condensation temperature Tc (℃) | Difference Tx (℃) | 1/Tx | |
| Example 1 | 40 | 56.95 | 16.95 | 109 |
| Example 2 | 40 | 56.78 | 16.78 | 110 |
| Comparative example | 40 | 58.53 | 18.53 | 100 |
The order that the result who provides in the table 1 illustrates the difference between average adiabatic condensation temperature Tc and the intake air temperature T is example 2＜example 1＜comparative example.The performance of the condenser portion 2 of the heat exchanger 1A of this illustrated example 2 is best.
At the aforesaid operations duration of test, use heat tracer to measure the temperature in the zone of condenser portion 2.In the condenser portion 2 of the heat exchanger of example 1, to find by the temperature than zonule X of the indication of the chain-dotted line among Fig. 1 lowly, a large amount of cold-producing medium of this explanation fails to flow through the refrigerator pipes 7 in this regional X.The heat exchanger 1A of example 2 does not have low-temperature region, and this explanation cold-producing medium flows through all refrigerator pipes 7 substantially equably.Under the situation of the heat exchanger 1B of comparative example, the temperature by the regional Y of chain-dotted line indication that the situation than example 1 found is big is low.The a large amount of cold-producing medium of this explanation is failed by the refrigerator pipes 7 in this zone.
Fig. 5 illustrates another embodiment of the present invention.
Heat exchanger 30 shown in Figure 5 has condenser portion 31, this condenser portion comprises condenser of the present invention, and has a collector that is not divided into inlet header and outlet header, therefore, the right collector of the condenser portion 1 of heat exchanger 1 (inlet header 5) will be called first collector 5 among Fig. 1, and left collector (outlet header 6) will be called second collector 6.
The condenser portion 31 of heat exchanger 30 has the first aluminum separator 32 and the second aluminum separator 33, this first aluminum separator 32 is in the position higher than the middle part of first collector 5 is arranged on this first collector 5, and this second aluminum separator 33 is in the position higher than the middle part of second collector 6 is arranged on this second collector 6.Condenser portion 31 has the part place that is separately positioned on first separator 32, be arranged on the part place between two separators 32,33 and be arranged on the group 34,35 and 36 of the refrigerator pipes 7 at the part place under second separator 33, and one of the refrigerator pipes adjoining land of each group is arranged on another.The quantity that constitutes the refrigerator pipes 7 of pipe group 34,35,36 reduces from top to bottom successively.Cold-producing medium flows through each group all pipes 7 in 34,35 or 36, the flow direction difference of the cold-producing medium in adjacent every pair of pipe group 34,35 (35,36) along same direction.
Be arranged at the similar refrigerant inlet 23 of refrigerant inlet in the condenser portion 2 with heat exchanger 1 shown in Figure 1 on first separator 32 of first collector 5 and corresponding to the height place of the bottom part of upper pipes group 34, engaging on this inlet 23 has refrigerant inlet spare 18.Upper pipes group 34 has 21 with interior refrigerator pipes 7 under the center O with respect to vertical direction of refrigerant inlet 23.Comprise in the upper pipes group 34 and be positioned at refrigerant inlet 23 with respect to the quantity of the refrigerator pipes under the center O of vertical direction 7 preferably in 16, more preferably in 7.
Be provided with the similar refrigerant outlet of refrigerant outlet in the condenser portion 2 with heat exchanger 1 shown in Figure 1 under second separator 33 of second collector 6 and corresponding to the height place at the middle part of lower end pipe group 36, this outlet goes up to engage refrigerant outlet spare 19.
Attaching on part under second separator 33 and first collector 11 in subcooler part 3 at second collector 6 of condenser portion 31 has receiver case 4.
The gaseous refrigerant that has high temperature and high pressure and compressed by compressor by entrance member 18 then the inlet 23 by condenser portion 2 enter first collector 5 at the part place that is higher than first separator 32 of first collector 5, condensed, flow into then the part that is lower than second separator 33 of second collector 6 at 34,35,36 o'clock, and flow out outlet by outlet member 19 and flow into receiver casees 4, in this receiver case, remove impurity and water in the cold-producing medium becoming zigzag to flow through pipe group in the condenser portion 31.After this, cold-producing medium by entrance member 21 flow into first collector 11 of subcooler parts 3, when flowing through all refrigerator pipes 13 to the right by supercooling to 5 ℃ to 15 ℃, flow into second collector 12, be sent to evaporimeter via outlet member 22 and expansion valve then.
The refrigerator pipes 7 of condenser portion 31 along length (about) aspect the sum of the interval (fin height) between the width of direction, the height of refrigerator pipes 7, adjacent every pair of refrigerator pipes 7, the refrigerator pipes 7 in the condenser portion 31 and the hydraulic diameter Dh of refrigerator pipes 7, heat exchanger 30 is identical with heat exchanger 1 shown in Figure 1.The height H 1 that upper pipes group 34 is seen from the front is preferably 150mm to 500mm.In addition, the structure of heat exchanger 30 is identical with the interchanger 1 shown in Fig. 1 is interior.
For heat exchanger shown in Figure 1 30, the quantity of pipe group can suitably change in being no less than two scope.Change the quantity of pipe group by the quantity that suitably changes the quantity to be arranged on the separator in first collector 5 and will be arranged on the separator in second collector 6.If the quantity of pipe group is odd number, then first collector 5 corresponding to the part of upper pipes group on engage refrigerant inlet spare with refrigerant inlet; And if the quantity of pipe group is even number, then second collector 6 corresponding to the part of upper pipes group on engage refrigerant inlet spare with refrigerant inlet.
Although above with reference to wherein subcooler and the situation that the condenser portion that comprises condenser of the present invention is assembled into heat exchanger having been illustrated two embodiment, condenser of the present invention also can be used as the single condenser that separates with subcooler certainly.
Industrial applicibility
The invention provides a kind of condenser that for example is used for motor vehicle air conditioners, this motor vehicle air conditioners is the kind of refrigeration cycle that is mounted in the motor vehicles. Condenser of the present invention can prevent from weakening the condensation performance when being combined with compressor lubricant in the cold-producing medium.
Claims (17)
1. condenser, this condenser comprises along left and right directions and being spaced from each other and vertically extending inlet header and outlet header, between these two collectors one of compartment of terrain on another parallel be provided with and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes, this inlet header has refrigerant inlet so that allow cold-producing medium to enter this inlet header inside by this inlet, this outlet header has refrigerant outlet and flows out so that make cold-producing medium pass through this outlet, the cold-producing medium that enters this inlet header by inlet can flow through all refrigerator pipes towards this outlet header, and the quantity that is positioned at the refrigerator pipes under the center vertically of this refrigerant inlet is in 21.
2. according to the condenser of claim 1, it is characterized in that the quantity that is positioned at the refrigerator pipes under the center vertically of this refrigerant inlet is in 7.
3. according to the condenser of claim 1, it is characterized in that this condenser has 22 to 70 refrigerator pipes altogether.
4. according to the condenser of claim 1, it is characterized in that, the height that this condenser is seen from the front be 150mm to 500mm, the width of the left and right directions of refrigerator pipes be 200mm to 800mm, highly for 0.8mm to 3mm, be spaced apart 4.5mm to 12mm between every pair of adjacent refrigerator pipes.
5. according to the condenser of claim 1, it is characterized in that, be mixed with the compressor lubricant of 3 quality % in the cold-producing medium to be used to 10 quality %.
6. condenser, this condenser comprises along left and right directions and being spaced from each other and vertically extending two collectors, between these two collectors one of compartment of terrain on another parallel be provided with and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes, this condenser comprises parallel a plurality of pipe groups that are provided with on another, each pipe group comprises some refrigerator pipes in parallel refrigerator pipes that is provided with on another of adjoining land, cold-producing medium can flow through all refrigerator pipes that constitute each pipe group along same direction, the flow direction difference of the cold-producing medium of adjacent every couple of Guan Zuzhong, a collector has refrigerant inlet at the height place corresponding to the upper pipes group so that allow cold-producing medium to enter this collector inside by this inlet, a described collector has this refrigerant inlet, perhaps another collector has refrigerant outlet at the height place corresponding to lower end pipe group so that cold-producing medium flows out by this outlet, the cold-producing medium that enters by this inlet can flow through the refrigerator pipes of all pipe groups so that discharge by this outlet, is included in the interior and quantity that is positioned at the refrigerator pipes under the center vertically of this refrigerant inlet of this upper pipes group in 21.
7. according to the condenser of claim 6, it is characterized in that, be included in this upper pipes group and the quantity that is positioned at the refrigerator pipes under the center vertically of this refrigerant inlet in 7.
8. according to the condenser of claim 6, it is characterized in that this upper pipes group has 22 to 70 refrigerator pipes altogether.
9. according to the condenser of claim 6, it is characterized in that, the width of the left and right directions of refrigerator pipes be 200mm to 800mm, highly for 0.8mm to 3mm, be spaced apart 4.5mm to 12mm between every pair of adjacent refrigerator pipes, the height that the upper pipes group is seen from the front is that 150mm is to 500mm.
10. according to the condenser of claim 6, it is characterized in that, be mixed with the compressor lubricant of 3 quality % in the cold-producing medium to be used to 10 quality %.
11. heat exchanger, this heat exchanger has the condenser portion and the subcooler part that is arranged under this condenser portion that comprises according to the condenser of claim 1, this subcooler partly comprises along left and right directions and being spaced from each other and vertically extending a pair of collector, between these two collectors one of compartment of terrain on another parallel be provided with and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes, the outlet header of this condenser portion is provided with and is plugged with separator with a collector of this subcooler part between them, the inlet header of this condenser portion is provided with and is plugged with separator with another collector of this subcooler part between them, attaching has the receiver case on a described collector of the outlet header of this condenser portion and this subcooler part, and the cold-producing medium of discharging from the refrigerant outlet of this condenser portion can flow into a described collector of this subcooler part by this receiver case.
12. heat exchanger, this heat exchanger has the condenser portion and the subcooler part that is arranged under this condenser portion that comprises according to the condenser of claim 6, this subcooler partly comprises along left and right directions and being spaced from each other and vertically extending a pair of collector, between these two collectors one of compartment of terrain on another parallel be provided with and its two ends join a plurality of flat refrigerant tube on the respective headers to and be arranged on adjacent each to the fin between the refrigerator pipes, a collector that has refrigerant outlet and be included in this condenser portion is provided with and is plugged with separator with this subcooler collector partly between them, another collector of this condenser portion is provided with and is plugged with separator with another collector of this subcooler part between them, described have refrigerant outlet and be included in collector in this condenser portion and a described collector of this subcooler part on attaching the receiver case is arranged, the cold-producing medium of discharging from the refrigerant outlet of this condenser portion can flow into a described collector of this subcooler part by this receiver case.
13. the heat exchanger according to claim 11 or 12 is characterized in that, is mixed with the compressor lubricant of 3 quality % to 10 quality % in the cold-producing medium to be used.
14. being suitable for using, the kind of refrigeration cycle with compressor, the condenser according to claim 1 or 6, pressure reducer and evaporimeter, this kind of refrigeration cycle wherein be mixed with the cold-producing medium of 3 quality % to the compressor lubricant of 10 quality %.
15. one kind comprises according to the kind of refrigeration cycle of claim 14 vehicle as conditioner.
16. being suitable for using, the kind of refrigeration cycle with compressor, the heat exchanger according to claim 11 or 12, pressure reducer and evaporimeter, this kind of refrigeration cycle wherein be mixed with the cold-producing medium of 3 quality % to the compressor lubricant of 10 quality %.
17. one kind comprises according to the kind of refrigeration cycle of claim 16 vehicle as conditioner.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP018412/2004 | 2004-01-27 | ||
| JP2004018412 | 2004-01-27 | ||
| US60/540,335 | 2004-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1914465A true CN1914465A (en) | 2007-02-14 |
Family
ID=37722613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200580003286 Pending CN1914465A (en) | 2004-01-27 | 2005-01-25 | Condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1914465A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673667A (en) * | 2012-09-21 | 2014-03-26 | 贵阳铝镁设计研究院有限公司 | Heat transfer oil cooling device |
| CN104246414A (en) * | 2012-04-05 | 2014-12-24 | 大金工业株式会社 | Heat exchanger |
-
2005
- 2005-01-25 CN CN 200580003286 patent/CN1914465A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104246414A (en) * | 2012-04-05 | 2014-12-24 | 大金工业株式会社 | Heat exchanger |
| CN104246414B (en) * | 2012-04-05 | 2016-08-17 | 大金工业株式会社 | Heat exchanger |
| CN103673667A (en) * | 2012-09-21 | 2014-03-26 | 贵阳铝镁设计研究院有限公司 | Heat transfer oil cooling device |
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Open date: 20070214 |