CN104335000B - Heat exchanger and heat change method - Google Patents
Heat exchanger and heat change method Download PDFInfo
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- CN104335000B CN104335000B CN201280073357.1A CN201280073357A CN104335000B CN 104335000 B CN104335000 B CN 104335000B CN 201280073357 A CN201280073357 A CN 201280073357A CN 104335000 B CN104335000 B CN 104335000B
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- heat
- heat exchange
- lower header
- functional surfaces
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
-
- 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
- F25B39/028—Evaporators having distributing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0417—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with particular circuits for the same heat exchange medium, e.g. with the heat exchange medium flowing through sections having different heat exchange capacities or for heating/cooling the heat exchange medium at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/12—Inflammable refrigerants
- F25B2400/121—Inflammable refrigerants using R1234
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
- F28F9/0273—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes with multiple holes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
Heat exchanger (1) has multiple heat exchange functional surfaces and can suppress the gravity impact on cold-producing medium, and the reduction at the heat exchange performance of each can be suppressed, there is multiple heat exchange functional surfaces (3), each heat exchange functional surfaces has upper header (5) and lower header (7) and the multiple heat-exchange tubes (9) being arranged between these upper and lower a pair collectors, multiple heat exchange functional surfaces are in annexation arranged side by side, and multiple lower header are connected with bottom collecting tubule (19) through shunting adjustment portion (17).
Description
Technical field
The present invention relates to heat exchanger and heat change method.
Background technology
As a mode of heat exchanger, there is parallel flow heat exchanger.This heat exchanger possesses a pair collector
And the multiple flat tubes being arranged between these collectors, flow into the fluid of a collector by multiple flat
After pipe flow is dynamic, flow out to another collector.
This parallel flow heat exchanger in the case of a pair collector is configured with towards vertical above-below direction, because of
The impact of gravity, the liquid refrigerant in gas-liquid two-phase cold-producing medium is easily to being located opposite from the flat of lower section
Flat pipe flow moves, and it is difficult for making cold-producing medium circulate to multiple flat tubes equably.
Therefore, in the structure of parallel flow heat exchanger, following mode, i.e. flatly configure
A pair collector, multiple flat tubes be difficult to each other affected by gravity.
On the other hand, in the existing off-premises station of air conditioner, exist and heat-exchange surface is arranged in
Structure on multiple of the framework of off-premises station.Here, above-mentioned a pair collector flatly it is configured with making
Parallel flow heat exchanger on multiple of the framework of off-premises station in the case of function, it is necessary to make each
Collector is along multiple bendings.But, making collector bend to such as L-shaped, U-shaped can apply
, there is larger-scale unit and the problem of cost increase in excessive loading.
With this problem explicitly, such as, there is patent documentation 1 disclosed invention.At patent literary composition
Offer in heat exchanger disclosed in 1, a pair collector is prepared on multiple each dividually.
Prior art literature
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2010-107103 publication
Summary of the invention
The problem that invention is to be solved
But, in heat exchanger disclosed in above-mentioned patent documentation 1, use such a way, i.e.
In certain one side (the first face), by the cold-producing medium set of flowing in multiple flat tubes to this face (first
Face) outflow side collector after, guide the collector of the inflow side of lower one side (the second face) from there,
Make its multiple flat tubes in this face (the second face) circulate, with the quantity in face the most successively in the same manner as
Guide lower one side.
Thus, between multiple heat exchange functional surfaces, produce upstream, the relation in downstream, the most downstream
The face of side, heat exchanger effectiveness is the lowest.It addition, repeatedly implement branch to multiple flat tubes and afterwards
, therefore there is the cold-producing medium after can not making heat exchange after second the most suitably to multiple in set
The probability of flat tube branch.
The present invention makes in view of the foregoing, its objective is to provide heat exchanger etc., and it has many
Individual heat exchange functional surfaces and the gravity impact on cold-producing medium can be suppressed, and can suppress on each
The reduction of heat exchange performance.
For solving the technical scheme of problem
The heat exchanger of the present invention realizing above-mentioned purpose has multiple heat exchange functional surfaces, in each this heat
On function of exchange face, have upper header and lower header and be arranged on these upper and lower a pair collectors it
Between multiple heat-exchange tubes, the plurality of heat exchange functional surfaces is in annexation arranged side by side, multiple described
Lower header is connected with bottom collecting tubule through shunting adjustment portion.
And, it is achieved the heat change method of the present invention of this purpose carries out heat exchange on multiple
Heat change method, wherein, on each multiple heat exchange functional surfaces, prepares upper header and bottom collection
Pipe and the multiple heat-exchange tubes being arranged between these upper and lower a pair collectors, connect described many side by side
Individual heat exchange functional surfaces, multiple described lower header are connected with bottom collecting tubule through shunting adjustment portion, make
Cold-producing medium in the collecting tubule of described bottom in described shunting adjustment portion with the plurality of heat exchange function
Face shunts side by side, carries out heat exchange on each the plurality of heat exchange functional surfaces, and from multiple institutes
State upper header to flow out, collaborate to upper side collecting tubule.
Invention effect
According to the present invention, there is multiple heat exchange functional surfaces and the gravity shadow to cold-producing medium can be suppressed
Ring, and the reduction of heat exchange performance on each can be suppressed.
Accompanying drawing explanation
Fig. 1 is the figure of the structure of the heat exchanger representing embodiments of the present invention 1.
Fig. 2 is the axonometric chart of the lower header for antipriming pipe is described.
Fig. 3 is the figure of the liquid distribution characteristics of the lower header being denoted as comparative example.
Fig. 4 is that the liquid of the lower header representing the antipriming pipe internally-arranged type relevant to present embodiment 1 divides
Join the figure of characteristic.
Fig. 5 is outward appearance and the plane representing the mansion multi-connected air conditioner outdoor unit relevant to embodiment 1
Figure.
Fig. 6 is to represent box air-conditioning (the パ ッ ケ ジ エ ア U Application relevant to embodiment 2；
Package air conditioner) outward appearance of off-premises station and the figure of plane.
Detailed description of the invention
Hereinafter, the heat exchanger of the present invention and the embodiment of heat change method thereof are said based on accompanying drawing
Bright.Additionally, in figure, same reference represents same or corresponding part.
Embodiment 1
Fig. 1 is the figure of the structure of the heat exchanger representing present embodiment 1.The heat exchanger of present embodiment
As being installed to object space and carrying out the off-premises station function of air conditioner of cooling and warming.
Therefore, it is following parallel flow heat exchanger, i.e. when refrigeration, in the situation as condenser action
Under, cold-producing medium flows as shown in the dotted arrow in Fig. 1 from the top down, when heating, in conduct
In the case of vaporizer action, cold-producing medium flows as shown in the solid arrow in Fig. 1 from bottom to top.
Heat exchanger 1 has multiple heat exchange functional surfaces 3.Additionally, Fig. 1 shows heat exchange functional surfaces
3 is the example of the situation of 3.It addition, in the example in fig 1, adjacent heat exchange functional surfaces 3
It is configured to point to orthogonal direction.
Each heat exchange functional surfaces 3 is provided with upper header 5, lower header 7 and is arranged on this
Multiple heat-exchange tubes 9 between the most upper and lower a pair collector 5,7.Heat-exchange tube 9 is specifically used flat
Pipe.Fin 11 (corrugated fin specifically) it is provided with between heat-exchange tube 9.
One end of top connecting tube 13 is connected with each upper header 5.Another of top connecting tube 13
Side is connected with top collecting tubule 15.Each lower header 7 through shunting adjustment portion described later 17 with under
Portion's collecting tubule 19 is connected.So, multiple heat exchange functional surfaces 3 are arranged in annexation arranged side by side
Between portion's collecting tubule 15 and bottom collecting tubule 19.Although additionally, omit diagram, but adjacent pair
By occlusive parts such as metallic plates in the way of not bypassed by the fluid of heat exchange between heat exchange functional surfaces 3
Part covers.
Shunting adjustment portion 17 for adjust aridity from the cold-producing medium to the supply of multiple lower header 7 and
Flow.Although additionally, be an example, but present embodiment uses following structure to illustrate, and is heating
Time, when cold-producing medium flows from bottom to top, by gas-liquid two-phase cold-producing medium with impartial aridity and flow
It is supplied to multiple heat exchange functional surfaces 3.
As an example of the structure of the equalization realizing this aridity and flow, shunting adjustment portion 17 wraps
Include allotter 21 and at least one (being 2 in diagram) flow adjustment portion 23.Allotter 21
End side is connected to bottom collecting tubule 19, and it is right that multiple connectors of another side are respectively connected to
The one end of the lower connection pipe 25 answered.It addition, the other end of lower connection pipe 25 is respectively connected to
The set side gateway 7a of corresponding lower header 7.The allotter 21 so connected is done with impartial
Cold-producing medium is supplied to multiple lower connection pipe 25 by dry degree.
In an example of diagram, flow adjustment portion 23 uses capillary tube.Flow adjustment portion 23 is set
Between the lower header 7 of allotter 21 and correspondence, i.e. be arranged on lower connection pipe 25,
But not necessarily it is arranged on whole lower connection pipe 25.
On each heat exchange functional surfaces 3, the set side gateway 7a of lower header 7 and upper-part centralized
Set gateway, the side 5a of pipe 5 is positioned at mutually opposite direction on the direction that collector extends.Change speech
It, set gateway, the side 7a of lower header 7 is arranged on the end side of this lower header 7, on
Set gateway, the side 5a of portion's collector 5 is arranged on another side of upper header 5.That is, set
Even if gateway, side 5a and set gateway, side 7a between refrigerant circulation path be designed to via
Arbitrary heat-exchange tube 9, flow path length is the most roughly equal.
In the respective inside of lower header 7, as in figure 2 it is shown, be provided with antipriming pipe 27.Fig. 2
It is the axonometric chart of lower header for antipriming pipe is described, should be at top multiple of lower header 7
Heat-exchange tube 9 and the intercommunicating pore connected with this heat-exchange tube 9 eliminate diagram.
Antipriming pipe 27 is block or the parts of tubulose, the substantial middle in the space in lower header 7,
Arrange with the state that the inner surface from lower header 7 floats.It addition, be provided with in antipriming pipe 27
Substantial amounts of dispensing orifice 29.Although an example, but dispensing orifice 29 is configured in antipriming pipe 27 substantially
Bottom.
By this antipriming pipe 27 and the combination of lower header 7, it is possible to obtain dual tube construction.Therefore,
Such as, if when heating, in lower connection pipe 25, the cold-producing medium of flowing is flowing temporarily into antipriming pipe
After in 27, impartial along depth direction (left and right directions of Fig. 2 paper) from substantial amounts of dispensing orifice 29
Ground flows out outside antipriming pipe 27, and, it is distributed to equably in lower header 7, and from bottom collection
The intercommunicating pore omitting diagram of the upper surface of pipe 7 is supplied to multiple heat-exchange tube 9 equably.
Hereinafter, the effect of above-mentioned antipriming pipe is illustrated.Fig. 3 is to represent horizontal arrangement and in inside
Not having the figure of the liquid distribution characteristics of the lower header as comparative example of antipriming pipe, Fig. 4 is to represent
The liquid distribution spy of the lower header of the antipriming pipe internally-arranged type relevant to the present embodiment of horizontal arrangement
The figure of property.
It addition, in the curved portion of Fig. 3 and Fig. 4, transverse axis represents path number, i.e. along bottom collection
The stream number of the heat-exchange tube that the depth direction of pipe is arranged side by side (is perpendicularly inserted lower header upper surface
Article 28, the stream of flat tube), the longitudinal axis represents the liquid distribution ratio of each of these path number.
It addition, about comparative example and the lower header of present embodiment, respectively illustrate and change cold-producing medium stream
The experimental result of 3 cases 1,2,3 of amount Gr [kg/hour] and entrance aridity X.
First, in the comparative example shown in Fig. 3, refrigerant flow Gr is 90 [kg/hour],
In the case 1,3 that entrance aridity X is different, cold-producing medium keep with lower header 7 ' in portion connect
The state touched, does not show the impact rebounded, directly flows out to heat-exchange tube 9, it follows that
More tending to downstream area (path number 23～28), liquid allotment ratio is the biggest.It addition, than
In the case 2 of the flow 180 [kg/hour] that the flow of case 1,3 is many, show because of galore by
The existence of liquid refrigerant of supply, the effect rebounded by portion in lower header 7 ', sinuous flow
Effect, the tendency that inclined liquid characteristic is alleviated with certain degree.But, it is known that arbitrary case is all left
The scope of the example of the equal distribution line illustrated abreast with transverse axis.
On the other hand, in the lower header of the antipriming pipe internally-arranged type of the present embodiment shown in Fig. 4,
No matter refrigerant flow, entrance aridity how, in 3 cases 1,2,3, all obtain substantially
Good liquid distribution characteristics along equal distribution line.This is by antipriming pipe 27 is inserted bottom
In collector 7, this dispensing orifice 29 is arranged in the downwardly direction of antipriming pipe 27, thus be in by under
The liquid film of the cold-producing medium of the annular section that the inner surface of portion's collector 7 and the outer surface of antipriming pipe 27 surround
The effect of the bubble agitation by spraying from the bottom of antipriming pipe 27 can obtain as scheduled regardless of entering xerostomia
How are dry degree, flow, hereby it is achieved that the impartial distribution of cold-producing medium.
Then, the concrete Application Example of the above-mentioned heat exchanger shown in Fig. 1 is illustrated.Present embodiment
Exemplified with multiple heat exchange functional surfaces 3 being adjusted equably cold-producing medium aridity and refrigerant flow
Mode, but as concrete Application Example, the example being applicable to mansion multi-connected air conditioner outdoor unit can be enumerated
Son.Fig. 5 is the figure of outward appearance and the plane representing mansion multi-connected air conditioner outdoor unit.The multi-joint sky in mansion
Off-premises station is adjusted to be used as than general home-use large-scale and format high throughput device.
As it is shown in figure 5, heat exchange functional surfaces 3 is respectively allocated by mansion multi-connected air conditioner outdoor unit 101
To three faces of framework 103, during vertical view, propeller fan 105 is arranged in these heat exchange functional surfaces
The central authorities of 3.And, the most as denoted by the arrow 107 air is inhaled from 3 sides of framework 103
Enter in framework 103, each heat exchange functional surfaces 3 carries out heat exchange, is arranged at framework from being formed at
Blow-off outlet on the fan guard 109 of the upper surface of 103, discharges (overhead stream formula) as indicated by the arrow 111.
Hereinafter, the heat exchanger of present embodiment and the effect of heat change method to so constituting are said
Bright.When heating operating, off-premises station i.e. heat exchanger 1 carries out action as vaporizer, enters allotter
Become the spray flow of homogenizing when the gas-liquid two-phase cold-producing medium of 21 is by not shown throttle orifice, and supplied
It is given to each lower connection pipe 25, adjusts flow by each flow adjustment portion 23, flow into corresponding heat friendship
Change the lower header 7 of functional surfaces 3.The refrigeration flowed into from set gateway, the side 7a of lower header 7
Agent sprays from the dispensing orifice 29 of antipriming pipe 27, and is equally distributed to a large each heat-exchange tube 9.Many
In hole pipe 27, in the case of aridity is big, small drop sprays from aperture, little in aridity
In the case of, bubble sprays to the liquid portion accumulating in annulus such that it is able to be independent of aridity, stream
Amount ground realizes equalization distribution.When cold-producing medium is by each heat-exchange tube 9, with not shown air heat exchange
Afterwards, flow into upper header 5, and become contrary from the set side gateway 7a with lower header 7
The set side gateway 5a of side flows out.The cold-producing medium flowed out from each set side gateway 5a passes through correspondence
Top connecting tube 13, in top collecting tubule 15 collaborate.Additionally, when cooling operation, heat exchange
Device 1 becomes contrary as condenser action, the flowing of cold-producing medium.
As it has been described above, according to the heat exchanger of the present invention and consequent heat change method, it is possible to obtain
Advantages below.First, on each heat exchange functional surfaces, collector points to horizontal direction such that it is able to
The impact that cold-producing medium is circulated by suppression gravity, it is possible to equably to multiple heat-exchange tube assignment system cryogens.
And, although horizontal arrangement collector like this, but also can make multiple play heat exchange functions without
Hindered by the difficult such practical situation that is bent to form of collector.And, multiple are carried out respectively
Heat exchange, and make the circulation of cold-producing medium shunt side by side with multiple heat exchange functional surfaces, thus many
Individual heat exchange functional surfaces mutual, will not produce the relation in upstream, downstream, at heat exchange functional surfaces
On can maintain good heat exchanger effectiveness respectively.The most in the present embodiment, the allocated device and
Aridity and the flow of cold-producing medium are correspondingly adjusted by flow adjustment portion with the condition of each heat exchange functional surfaces
Be made into desired after, distribute and be supplied to this heat exchange functional surfaces, thus in whole heat exchanges
The best heat exchange performance can be obtained on functional surfaces.It addition, from heat exchanger on the whole,
Not there is following stream, i.e. once gathered in multiple heat-exchange tubes, carried out the system of heat exchange
Cryogen, and then again shunt to multiple heat-exchange tubes, therefore, also will not produce can not be equal by cold-producing medium
Etc. ground be supplied to the such problem of multiple heat-exchange tube.Like this, according to the heat exchanger of present embodiment
And heat change method, even if having multiple heat exchange functional surfaces, it is also possible to suppression gravity is to cold-producing medium
Impact and suppress the reduction of heat exchange performance on each.
It addition, in each heat exchange functional surfaces, the gateway of lower header and the gateway of upper header
Be configured in opposition side, even if thus cold-producing medium is by arbitrary heat-exchange tube, the pressure loss is the most substantially
Equal, i.e. to be capable of the uniform distribution of gas-liquid two-phase flow.It addition, by antipriming pipe is arranged on
In lower header, fine droplet, bubble are injected into the annulus of double-layer structural from dispensing orifice, thus,
Also the uniform distribution of gas-liquid two-phase cold-producing medium is promoted.And, in the present embodiment, increase thermotropism and hand over
Change the distribution number of pipe and distribution number of times suppressed low (in the above example, distribution number is the most once),
So, although the heat-exchange tube extremely large number in order to prepare the use of multiple heat exchange functional surfaces, but relatively
Bar number in this heat-exchange tube, it is also possible to refrigerant pressure loss is suppressed low.Therefore, especially
Can also effectively utilize low pressure refrigerant (cold-producing medium etc. that cold-producing medium crushing is big) such as
HFO1234yf, HFO1234ze or R134a.
Embodiment 2
Based on Fig. 6, embodiments of the present invention 2 are described.In above-mentioned embodiment 1, exemplified with right
Multiple heat exchange functional surfaces adjust equably cold-producing medium aridity and with on each heat exchange functional surfaces not
Refrigerant flow is correspondingly changed in same heat load (depend on heat exchange department passes through wind speed)
Mode, but the invention is not restricted to this.That is, present invention additionally comprises will system on multiple heat exchange functional surfaces
Cryogen aridity and/or refrigerant flow are adjusted to different modes.As concrete Application Example, can
To enumerate the example being applicable to box air-conditioner outdoor unit.Fig. 6 is the outward appearance representing box air-conditioner outdoor unit
And the figure of plane.
As shown in Figure 6, heat exchange functional surfaces 3 is separately dispensed into framework by box air-conditioner outdoor unit 201
The side of 203 and the back side.By the rotation of propeller fan 205, respectively from the side of framework 203
And the back side draws air in framework 203 as illustrated with arrow 207, at each heat exchange functional surfaces 3
On carry out heat exchange, discharge as shown by arrows 211 from the blow-off outlet in the front being arranged at framework 203.
According to such present embodiment 2, also in the same manner as embodiment 1, even if having multiple heat
Function of exchange face, it is also possible to suppression gravity affecting and suppressing the heat exchange on each cold-producing medium
The reduction of performance.
Above, with reference to preferred embodiment illustrating present disclosure, but based on the present invention
Basic technological thought and enlightenment, to those skilled in the art, use the various change mode to be
Obviously.
Such as, in above-mentioned antipriming pipe, the structure using substantial amounts of dispensing orifice downward is illustrated,
But the generation type of dispensing orifice is not limited to this, the orientation of dispensing orifice, quantity, hole shape can be suitably
It is changed.It addition, a structure the most only example in above-mentioned shunting adjustment portion, it is possible to suitably carry out
Change.Such as, additionally it is possible to make multiple outlet sides of Y word branched pipe, low pressure loss allotter etc.
The height and position of branch path is mutually different, because the impact of gravity makes the ratio of the shunting of liquid phase change, with
Time ground adjust the shunting adjustment portion of mode of aridity and flow.
The explanation of reference
1 heat exchanger, 3 heat exchange functional surfaces, 5 upper header, 7 lower header, 5a, 7a gather
Gateway, side, 9 heat-exchange tubes, 17 shunting adjustment portions, 19 bottom collecting tubules, 21 allotters, 23
Flow adjustment portion, 25 lower connection pipe, 27 antipriming pipes, 29 dispensing orifices.
Claims (7)
1. a heat exchanger, it is characterised in that
Possessing multiple heat exchange functional surfaces, each heat exchange functional surfaces has upper header and bottom collection
Pipe and the multiple heat-exchange tubes being arranged between these upper and lower a pair collectors,
The plurality of heat exchange functional surfaces is in annexation arranged side by side,
Multiple described lower header are connected with bottom collecting tubule through shunting adjustment portion,
Described shunting adjustment portion includes allotter and at least one flow adjustment portion,
Described allotter is arranged between described bottom collecting tubule and the plurality of lower header, makes supply
To the aridity equalization of the cold-producing medium of the plurality of lower header,
At least one flow adjustment portion described is arranged in described allotter and corresponding described lower header
Between,
Multiple described lower header have antipriming pipe the most therein, and this antipriming pipe has in bottom point
Distribution.
2. heat exchanger as claimed in claim 1, it is characterised in that
On heat exchange functional surfaces each described, the set side setup of entrances and exits of described lower header is at this
The end side of lower header, another in this upper header of the set side setup of entrances and exits of described upper header
End side.
3. heat exchanger as claimed in claim 1, it is characterised in that
Use HFO1234yf, HFO1234ze or R134a as low pressure refrigerant.
4. a freezing cycle device, it is characterised in that include described in claim 1 is described
Heat exchanger.
5. an air conditioner, it is characterised in that include changing described in described in claim 1
Hot device.
6. a heat change method, it is the heat change method carrying out heat exchange on multiple, its
It is characterised by,
In each of multiple heat exchange functional surfaces, prepare upper header and lower header and arrange
Multiple heat-exchange tubes between these upper and lower a pair collectors,
Multiple described lower header have antipriming pipe the most therein, and this antipriming pipe has in bottom point
Distribution,
Connecting the plurality of heat exchange functional surfaces side by side, multiple described lower header are through shunting adjustment portion
It is connected with bottom collecting tubule,
Described shunting adjustment portion includes allotter and at least one flow adjustment portion,
At least one flow adjustment portion described is arranged in described allotter and corresponding described lower header
Between,
The cold-producing medium in the collecting tubule of described bottom is made to hand over the plurality of heat in described shunting adjustment portion
Change functional surfaces to shunt side by side, each the plurality of heat exchange functional surfaces carries out heat exchange, and from
Multiple described upper header flow out, and collaborate to upper side collecting tubule,
Described allotter is arranged between described bottom collecting tubule and the plurality of lower header, makes supply
Aridity equalization to the cold-producing medium of the plurality of lower header.
7. heat change method as claimed in claim 6, it is characterised in that
Use HFO1234yf, HFO1234ze or R134a as low pressure refrigerant.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2012/061232 WO2013161038A1 (en) | 2012-04-26 | 2012-04-26 | Heat exchanger and heat exchange method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104335000A CN104335000A (en) | 2015-02-04 |
| CN104335000B true CN104335000B (en) | 2016-09-14 |
Family
ID=49482407
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280073357.1A Active CN104335000B (en) | 2012-04-26 | 2012-04-26 | Heat exchanger and heat change method |
| CN2013202178156U Expired - Lifetime CN203323459U (en) | 2012-04-26 | 2013-04-26 | Heat exchanger |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202178156U Expired - Lifetime CN203323459U (en) | 2012-04-26 | 2013-04-26 | Heat exchanger |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20150083383A1 (en) |
| EP (1) | EP2863161B1 (en) |
| JP (1) | JP6104893B2 (en) |
| CN (2) | CN104335000B (en) |
| ES (1) | ES2702291T3 (en) |
| WO (1) | WO2013161038A1 (en) |
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| FR2951114B1 (en) * | 2009-10-13 | 2011-11-04 | Peugeot Citroen Automobiles Sa | COOLING DEVICE FOR A HYBRID VEHICLE |
| WO2015162689A1 (en) | 2014-04-22 | 2015-10-29 | 三菱電機株式会社 | Air conditioner |
| WO2016181509A1 (en) * | 2015-05-12 | 2016-11-17 | 三菱電機株式会社 | Corrugated fin-type heat exchanger, refrigeration cycle device, device for producing corrugated fins, and method for producing corrugated fin-type heat exchanger |
| EP3348937B1 (en) * | 2015-09-09 | 2019-10-23 | Mitsubishi Electric Corporation | Air conditioner |
| JP6650752B2 (en) * | 2015-12-24 | 2020-02-19 | 株式会社前川製作所 | Air-cooled heat exchange unit and cooler unit |
| KR200486092Y1 (en) | 2016-08-11 | 2018-04-03 | 삼성중공업 주식회사 | Cathodic Protection Apparatus |
| JP2018109455A (en) * | 2016-12-28 | 2018-07-12 | 株式会社前川製作所 | Air-cooled type heat exchange unit and cooler unit |
| JP6827542B2 (en) * | 2017-07-04 | 2021-02-10 | 三菱電機株式会社 | Refrigeration cycle equipment |
| JP2019152367A (en) * | 2018-03-02 | 2019-09-12 | パナソニックＩｐマネジメント株式会社 | Heat exchange unit and air conditioner using the same |
| WO2019239445A1 (en) * | 2018-06-11 | 2019-12-19 | 三菱電機株式会社 | Refrigerant distributor, heat exchanger, and air conditioner |
| WO2020100897A1 (en) * | 2018-11-12 | 2020-05-22 | 三菱電機株式会社 | Heat exchanger and heat exchanger manufacturing method |
| CN112066602A (en) * | 2020-09-14 | 2020-12-11 | 珠海格力电器股份有限公司 | Heat exchanger, air conditioner and air conditioner control method and device |
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- 2012-04-26 EP EP12875231.8A patent/EP2863161B1/en active Active
- 2012-04-26 CN CN201280073357.1A patent/CN104335000B/en active Active
- 2012-04-26 JP JP2014512239A patent/JP6104893B2/en active Active
- 2012-04-26 US US14/391,466 patent/US20150083383A1/en not_active Abandoned
- 2012-04-26 WO PCT/JP2012/061232 patent/WO2013161038A1/en active Application Filing
- 2012-04-26 ES ES12875231T patent/ES2702291T3/en active Active
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2013
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| EP0838641A2 (en) * | 1996-10-24 | 1998-04-29 | Showa Aluminum Corporation | Evaporator |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2863161A1 (en) | 2015-04-22 |
| EP2863161A4 (en) | 2016-03-23 |
| ES2702291T3 (en) | 2019-02-28 |
| US20150083383A1 (en) | 2015-03-26 |
| JPWO2013161038A1 (en) | 2015-12-21 |
| JP6104893B2 (en) | 2017-03-29 |
| CN203323459U (en) | 2013-12-04 |
| WO2013161038A1 (en) | 2013-10-31 |
| CN104335000A (en) | 2015-02-04 |
| EP2863161B1 (en) | 2018-11-14 |
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