CN107289795A - Parallel-flow heat exchanger, water tank and air-source water heater - Google Patents
Parallel-flow heat exchanger, water tank and air-source water heater Download PDFInfo
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- CN107289795A CN107289795A CN201710548652.2A CN201710548652A CN107289795A CN 107289795 A CN107289795 A CN 107289795A CN 201710548652 A CN201710548652 A CN 201710548652A CN 107289795 A CN107289795 A CN 107289795A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000003507 refrigerant Substances 0.000 claims abstract description 151
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- 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
- F28D1/05308—Assemblies of conduits connected side by side or with individual headers, e.g. section type radiators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
- F24H4/04—Storage heaters
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention discloses a kind of parallel-flow heat exchanger, water tank and air-source water heater, wherein, parallel-flow heat exchanger includes：The first header and the second header being oppositely arranged；Some spaced heat exchanger tubes, the two ends of each heat exchanger tube are connected with the first header and the second header respectively；Two refrigerant input pipes, one refrigerant input pipe connects the first header or the second header, another refrigerant input pipe connects the first header or the second header, and parallel-flow heat exchanger has the two ends arranged along some heat exchanger tube orientations, and two refrigerant input pipes are located at the two ends of parallel-flow heat exchanger respectively；One refrigerant efferent duct, refrigerant efferent duct is communicated in the first header or the second header, and middle part of the refrigerant efferent duct between the two ends of parallel-flow heat exchanger is respectively formed a refrigerant flow between refrigerant efferent duct and each refrigerant input pipe.The present invention can shorten refrigerant flow, reduce refrigerant circulating resistance, improving heat exchanging efficiency and efficiency so that the temperature difference of water body reduces up and down in inner bag.
Description
Technical field
The present invention relates to air-source water heater technical field, more particularly to a kind of parallel-flow heat exchanger, using the concurrent flow
The air-source water heater of the water tank and application of the heat exchanger water tank.
Background technology
At present, for the air-source water heater of in the market, its water tank is put down using the outer surface coiling in inner bag mostly
The mode of row stream heat exchanger realizes heating.But, the refrigerant flow overwhelming majority of parallel-flow heat exchanger instantly use by
Single circulation style under up to.Obviously, there is the defect that refrigerant flow is long, circulating resistance is larger in such mode, so that
It is easily caused that water body upper and lower temperature difference in inner bag is big, air-source water heater high energy consumption situation occurs.
The content of the invention
The main object of the present invention is to provide a kind of parallel-flow heat exchanger, it is intended to shorten refrigerant flow, reduction refrigerant circulation
Resistance, improving heat exchanging efficiency and efficiency, while so that the temperature difference of water body reduces up and down in inner bag.
To achieve the above object, parallel-flow heat exchanger proposed by the present invention, including：
First header；
Second header, second header is oppositely arranged with first header；
Some heat exchanger tubes, one end of the heat exchanger tube is connected with first header, the other end and second afflux
Pipe is connected, and some heat exchanger tubes are spaced；
The parallel-flow heat exchanger also includes：
Two refrigerant input pipes, refrigerant input pipe described in one is communicated in first header or second header, separately
Refrigerant input pipe described in one is communicated in first header or second header, and the parallel-flow heat exchanger has edge
The two ends of some heat exchanger tube orientation arrangements, two refrigerant input pipes are located at the two ends of the parallel-flow heat exchanger respectively；
One refrigerant efferent duct, the refrigerant efferent duct is communicated in first header or second header, and institute
State middle part of the refrigerant efferent duct between the two ends of the parallel-flow heat exchanger, the refrigerant efferent duct and each refrigerant
A refrigerant flow is respectively formed between input pipe.
Alternatively, the parallel-flow heat exchanger also include an at least baffle plate, the baffle plate located at first header and/
Or in second header, first header and/or second header are separated into multistage pipeline section, the refrigerant
Input pipe, the pipeline section, the heat exchanger tube and the refrigerant efferent duct are collectively forming refrigerant flow described in two, and each refrigerant is defeated
Enter pipe and connect the pipeline section that corresponding header is located at its end.
Alternatively, the baffle number in first header is identical with the baffle number in second header, and two
Refrigerant input pipe is respectively communicated with first header and second header.
Alternatively, the baffle number in first header is more than the baffle number in second header, and two is cold
Matchmaker's input pipe is respectively communicated with two pipeline sections positioned at its two ends of first header.
Alternatively, the baffle number in first header is one more than the baffle number in second header, institute
State refrigerant efferent duct and connect second header.
Alternatively, the baffle number in first header is two more than the baffle number in second header, institute
State the pipeline section being located between its two ends that refrigerant efferent duct connects first header.
Alternatively, orientation of the refrigerant flow described in two relative to some heat exchanger tubes is symmetrical arranged.
The present invention also proposes a kind of water tank, and the water tank includes inner bag and parallel-flow heat exchanger, the parallel-flow heat exchanger bag
Include：
First header；
Second header, second header is oppositely arranged with first header；
Some heat exchanger tubes, one end of the heat exchanger tube is connected with first header, the other end and second afflux
Pipe is connected, and some heat exchanger tubes are spaced；
The parallel-flow heat exchanger also includes：
Two refrigerant input pipes, refrigerant input pipe described in one is communicated in first header or second header, separately
Refrigerant input pipe described in one is communicated in first header or second header, and the parallel-flow heat exchanger has edge
The two ends of some heat exchanger tube orientation arrangements, two refrigerant input pipes are located at the two ends of the parallel-flow heat exchanger respectively；
One refrigerant efferent duct, the refrigerant efferent duct is communicated in first header or second header, and institute
State middle part of the refrigerant efferent duct between the two ends of the parallel-flow heat exchanger, the refrigerant efferent duct and each refrigerant
A refrigerant flow is respectively formed between input pipe；
The heat exchanger tube of the parallel-flow heat exchanger is abutted against with the inner bag.
Alternatively, the first header and the second header of the parallel-flow heat exchanger are along the short transverse of the inner bag
It is extended.
The present invention also propose a kind of air-source water heater, the air-source water heater include water tank, the water tank include inner bag and
Parallel-flow heat exchanger, the parallel-flow heat exchanger includes：
First header；
Second header, second header is oppositely arranged with first header；
Some heat exchanger tubes, one end of the heat exchanger tube is connected with first header, the other end and second afflux
Pipe is connected, and some heat exchanger tubes are spaced；
The parallel-flow heat exchanger also includes：
Two refrigerant input pipes, refrigerant input pipe described in one is communicated in first header or second header, separately
Refrigerant input pipe described in one is communicated in first header or second header, and the parallel-flow heat exchanger has edge
The two ends of some heat exchanger tube orientation arrangements, two refrigerant input pipes are located at the two ends of the parallel-flow heat exchanger respectively；
One refrigerant efferent duct, the refrigerant efferent duct is communicated in first header or second header, and institute
State middle part of the refrigerant efferent duct between the two ends of the parallel-flow heat exchanger, the refrigerant efferent duct and each refrigerant
A refrigerant flow is respectively formed between input pipe；
The heat exchanger tube of the parallel-flow heat exchanger is abutted against with the inner bag.
Technical scheme, by setting two refrigerant input pipes in parallel-flow heat exchanger, and inputs two refrigerants
Pipe is located at two ends of the parallel-flow heat exchanger along some heat exchanger tube orientations respectively, and it is parallel that refrigerant efferent duct is arranged at into this
The middle part between the two ends of heat exchanger is flowed, two refrigerant flows can be formed in the parallel-flow heat exchanger so that refrigerant can be distinguished
By the parallel-flow heat exchanger two ends enter, after be circulated to middle part and discharge, so as to shorten refrigerant flow, reduce refrigerant stream
Logical resistance, and then the operation power and energy consumption of compressor are reduced, efficiency is improved, meanwhile, two-part heat exchange can also be carried effectively
Rise heat exchange efficiency, further improving energy efficiency.Also, due to the presence of two refrigerant flows, it also may be such that parallel-flow heat exchanger
The temperature difference at two ends is reduced, so that the temperature difference of water body is reduced up and down in inner bag so that can use hot water amount in inner bag
It is increased, and then improves an output of inner bag, improves the utilization rate of inner bag.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of parallel-flow heat exchanger first embodiment of the present invention；
Fig. 2 is the structural representation of parallel-flow heat exchanger second embodiment of the present invention；
Fig. 3 is the structural representation of parallel-flow heat exchanger 3rd embodiment of the present invention.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Parallel-flow heat exchanger | 30 | Heat exchanger tube |
| 10a | First header | 50 | Refrigerant input pipe |
| 10b | Second header | 70 | Refrigerant efferent duct |
| 11 | Baffle plate |
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that institute is directional in the embodiment of the present invention indicates that (such as up, down, left, right, before and after ...) is only used
In explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each part etc., if should
When particular pose changes, then directionality indicates also correspondingly therewith to change.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for describe purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly,
For example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can be mechanically connect or
Electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be the connection or two of two element internals
The interaction relationship of individual element, unless otherwise clear and definite restriction.For the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the technical scheme between each embodiment of the invention can be combined with each other, but must be general with this area
Logical technical staff can be implemented as basis, when the combination appearance of technical scheme is conflicting or can not realize it will be understood that this
The combination of technical scheme is not present, also not within the protection domain of application claims.
The present invention proposes a kind of parallel-flow heat exchanger 100, and it is mainly used in the water tank of air-source water heater, its coil in
The outer surface of inner water tank, by way of heat transfer to inner bag and its in water body heat.
The concrete structure for putting up with parallel-flow heat exchanger 100 of the present invention below is described, as shown in figure 1, flat in the present invention
In the first embodiment of row stream heat exchanger 100, the parallel-flow heat exchanger 100 includes：
First header 10a；
Second header 10b, the second header 10b is oppositely arranged with the first header 10a；
Some heat exchanger tubes 30, one end of the heat exchanger tube 30 is connected with the first header 10a, the other end and described the
Two header 10b are connected, and some heat exchanger tubes 30 are spaced；
The parallel-flow heat exchanger 100 also includes：
Two refrigerant input pipes 50, refrigerant input pipe 50 described in one is communicated in the first header 10a or described second and collected
Flow tube 10b, another refrigerant input pipe 50 is communicated in second headers of the first header 10a or described 10b, and described
Parallel-flow heat exchanger 100 has along the two ends of some orientation of heat exchanger tube 30 arrangements, two refrigerant input pipes 50 difference position
In the two ends of the parallel-flow heat exchanger 100；
One refrigerant efferent duct 70, the refrigerant efferent duct 70 is communicated in the affluxs of the first header 10a or described second
Pipe 10b, and middle part of the refrigerant efferent duct 70 between the two ends of the parallel-flow heat exchanger 100, the refrigerant output
A refrigerant flow is respectively formed between pipe 70 and each refrigerant input pipe 50.
In the present embodiment, the first header 10a and the second header 10b are parallel to each other, and the first header 10a and second
Header 10b is vertically extended.Some heat exchanger tubes 30 are parallel to each other, and some heat exchanger tubes 30 vertically by
Under up to (or from the bottom to top) arrangement, i.e., extension side of some heat exchanger tubes 30 along the first header 10a (or second header 10b)
To arrangement.Each heat exchanger tube 30 it is horizontally extending set, and each heat exchanger tube 30 two ends respectively with the first header
10a and the second header 10b connections.
Further, two refrigerant input pipes 50 are communicated in the first header 10a, and two refrigerant input pipes 50 are located at respectively
First header 10a two ends.Simultaneously, refrigerant efferent duct 70 is communicated in the second header 10b, and the refrigerant efferent duct 70
In the vertical direction is located between two refrigerant input pipes 50.In this way, two refrigerant streams can be formed in the parallel-flow heat exchanger 100
Road, one of them is that refrigerant enters parallel-flow heat exchanger 100 by refrigerant input pipe 50 above, through in the first header
Circulation in 10a, heat exchanger tube 30, the second header 10b, reaches the refrigerant efferent duct 70 positioned at middle part and discharges the concurrent flow and change
Hot device 100, so as to complete the heat exchanging process (refrigerant circulates from top to bottom) with the top of the parallel-flow heat exchanger 100, now, puts down
Counter-flow arrangement state is presented with water body in inner bag in refrigerant in row stream heat exchanger 100 top, can effectively increase heat exchange efficiency；Wherein
It is another that parallel-flow heat exchanger 100 is entered by underlying refrigerant input pipe 50 for refrigerant, through in the first header 10a, heat exchange
Circulation in pipe 30, the second header 10b, reaches the refrigerant efferent duct 70 positioned at middle part and discharges the parallel-flow heat exchanger 100,
So as to complete the heat exchanging process (refrigerant circulates from bottom to top) with the bottom of the parallel-flow heat exchanger 100, now, concurrent flow heat exchange
The bottom of device 100 is exchanged heat with the low temperature water body in inner bag positioned at bottom, and heat transfer temperature difference is big, and heat exchange efficiency is high, can make water body
Bigger density contrast is formed, so as to increase the flowing and disturbance of water body in inner bag, destruction or the laminar boundary layer for reducing heat exchange are carried
High heat exchange efficiency.
Accordingly, it is to be understood that, technical scheme, by setting two refrigerants defeated in parallel-flow heat exchanger 100
Enter pipe 50, and two refrigerant input pipes 50 is located at the parallel-flow heat exchanger 100 respectively along the two of some orientations of heat exchanger tube 30
Hold, and refrigerant efferent duct 70 is arranged at the middle part between the two ends of the parallel-flow heat exchanger 100, can be in the parallel-flow heat exchanger
Two refrigerant flows are formed in 100 so that refrigerant can enter by the two ends of the parallel-flow heat exchanger 100 respectively, after be circulated to
Portion and discharge, so as to shorten refrigerant flow, reduce refrigerant circulating resistance, and then reduce the operation power and energy of compressor
Consumption, improves efficiency, meanwhile, two-part heat exchange can also effectively improving heat exchanging efficiency, further improving energy efficiency.Also, due to two
The presence of bar refrigerant flow, also may be such that the temperature difference at the two ends of parallel-flow heat exchanger 100 is reduced, so that in inner bag
The temperature difference of lower water body is reduced so that can be increased in inner bag with hot water amount, and then improves an output of inner bag,
Improve the utilization rate of inner bag.
Further referring to Fig. 1, the parallel-flow heat exchanger 100 also includes an at least baffle plate 11, and the baffle plate 11 is located at
In the first header 10a and/or the second header 10b, by the first header 10a and/or second collection
Flow tube 10b is separated into multistage pipeline section, the refrigerant input pipe 50, the pipeline section, the heat exchanger tube 30 and the refrigerant efferent duct
70 are collectively forming refrigerant flow described in two, and each refrigerant input pipe 50 connects the pipeline section that corresponding header is located at its end.
In the present embodiment, five baffle plates 11 are provided with the first header 10a, the first header 10a is separated into by correspondence
Six pipeline sections, simultaneously, are provided with four baffle plates 11, the second header 10b is separated into by correspondence in the second header 10b
Five pipeline sections.Connected between first header 10a pipeline section and the second header 10b pipeline section by some heat exchanger tubes 30,
Also, two pipeline sections and two refrigerant input pipes 50 positioned at the first header 10a two ends correspond connection, with two above and below formation
Refrigerant flow.Two refrigerant flows due to each baffle plate 11 guide effect each in the parallel-flow heat exchanger 100 circulation and in
Middle part is converged, and meet is communicated with refrigerant efferent duct 70.
So, it may be such that heat exchanging process of the refrigerant in parallel-flow heat exchanger 100 carries out more abundant, so that effectively
Improve heat exchange efficiency, it is to avoid thermal loss, improve efficiency.Meanwhile, it can also be effectively increased changing for parallel-flow heat exchanger 100
Hot area, further improving heat exchanging efficiency.
In some embodiments of parallel-flow heat exchanger 100 of the present invention, the quantity of baffle plate 11 in the first header 10a
More than the quantity of baffle plate 11 in the second header 10b, two refrigerant input pipes 50 are respectively communicated with the first header 10a's
Two pipeline sections positioned at its two ends.Also,
When the quantity of baffle plate 11 in the first header 10a is more than the quantity of baffle plate 11 in the second header 10b
For the moment, the refrigerant efferent duct 70 connects the second header 10b.
Specifically, as shown in figure 1, in the first embodiment of parallel-flow heat exchanger 100 of the present invention, the first header 10a
In be provided with five baffle plates 11, the first header 10a has been separated into six pipeline sections by correspondence, simultaneously, the second header 10b
In be provided with four baffle plates 11, the second header 10b has been separated into five pipeline sections by correspondence.First header 10a pipeline section with
Connected between second header 10b pipeline section by some heat exchanger tubes 30, also, positioned at two pipes at the first header 10a two ends
Section is corresponded with two refrigerant input pipes 50 and connected, with two refrigerant flows above and below formation.Two refrigerant flows are due to each baffle plate
11 guide effect is each circulated in the parallel-flow heat exchanger 100, and is converged in the pipeline section in the middle part of the second header 10b
Close, refrigerant efferent duct 70 is connected with the pipeline section, i.e., refrigerant efferent duct 70 connects the second header 10b.
When the quantity of baffle plate 11 in the first header 10a is more than the quantity of baffle plate 11 in the second header 10b
When two, the refrigerant efferent duct 70 connects the pipeline section being located between its two ends of the first header 10a.
Specifically, as shown in Fig. 2 in the second embodiment of parallel-flow heat exchanger 100 of the present invention, the first header 10a
In be provided with four baffle plates 11, the first header 10a has been separated into five pipeline sections by correspondence, simultaneously, the second header 10b
In be provided with two baffle plates 11, the second header 10b has been separated into three pipeline sections by correspondence.First header 10a pipeline section with
Connected between second header 10b pipeline section by some heat exchanger tubes 30, also, positioned at two pipes at the first header 10a two ends
Section is corresponded with two refrigerant input pipes 50 and connected, with two refrigerant flows above and below formation.Two refrigerant flows are due to each baffle plate
11 guide effect is each circulated in the parallel-flow heat exchanger 100, and is converged in the pipeline section in the middle part of the first header 10a
Close, refrigerant efferent duct 70 is connected with the pipeline section, i.e. first header 10a's of the connection of refrigerant efferent duct 70 is located between its two ends
Pipeline section.
In other embodiments of parallel-flow heat exchanger 100 of the present invention, the baffle plate 11 in the first header 10a is counted
Amount is identical with the quantity of baffle plate 11 in the second header 10b, and two refrigerant input pipes 50 are respectively communicated with first header
10a and the second header 10b.
Specifically, as shown in figure 3, in the 3rd embodiment of parallel-flow heat exchanger 100 of the present invention, the first header 10a
In be provided with two baffle plates 11, the first header 10a has been separated into three pipeline sections by correspondence, simultaneously, the second header 10b
In be provided with two baffle plates 11, the second header 10b has been separated into three pipeline sections by correspondence.One refrigerant input pipe 50 with positioned at the
The pipeline section connection of one header 10a upper ends, another refrigerant input pipe 50 is connected with the pipeline section positioned at the second header 10b lower ends,
Also, refrigerant efferent duct 70 connect that (or refrigerant efferent duct 70 positioned at second with collecting with the pipeline section in the middle part of the first header 10a
Pipeline section connection in the middle part of flow tube 10b).Two refrigerant flows are because the guide effect of each baffle plate 11 is each in the parallel-flow heat exchanger
In 100 circulate, and in the pipeline section in the middle part of the first header 10a (or second header 10b) converge and by refrigerant efferent duct
70 discharges.
In this way, may be such that the pipeline of parallel-flow heat exchanger 100 sets form more flexible, changeable, so as to preferably full
Full border installation requirements and pipeline arrangement demand, and then effectively lift the practicality of parallel-flow heat exchanger 100.
Preferably, orientation of the refrigerant flow described in two relative to some heat exchanger tubes 30 is symmetrical arranged.That is, it is described
Bearing of trend of the parallel-flow heat exchanger 100 along second headers of the first header 10a or described 10b is symmetrical arranged.So,
The length of two refrigerant flows is identical above and below may be such that, circulating resistance is identical, so as to may be such that the heat exchange effect of two refrigerant flows
Rate is equal so that equal to the output pressure of two refrigerant input pipes 50, and then the heat exchange efficiency of parallel-flow heat exchanger 100 is obtained
To improve, being set and controlled for refrigerant flow be simpler, conveniently, and practicality is higher.
The present invention also proposes a kind of water tank, and the water tank includes inner bag and foregoing parallel-flow heat exchanger 100, and this is parallel
Flow heat exchanger 100 concrete structure with reference to the foregoing embodiments, because this water tank employs whole technologies of foregoing all embodiments
Scheme, therefore all beneficial effects that at least technical scheme with previous embodiment is brought, this is no longer going to repeat them.Its
In, heat exchanger tube 30 and the inner bag of parallel-flow heat exchanger 100 are abutted against.
Preferably, the first header 10a and the second header 10b of the parallel-flow heat exchanger 100 are along the inner bag
Short transverse be extended.
Specifically, the first header 10a is located at the outer surface of inner bag, and is set along the outer surface of inner bag in vertical direction extension
Put, the second header 10b is also located at the outer surface of inner bag, and is be arranged in parallel with the first header 10a.Each heat exchanger tube 30 is all provided with
It is extended in horizontal direction in the outer surface of inner bag, and along the outer surface of inner bag.The two ends of each heat exchanger tube 30 respectively connect
Pass through the first header 10a and the second header 10b.Also, some heat exchanger tubes 30 are parallel and are arranged at intervals.
It should be noted that when inner bag is in cylinder, heat exchanger tube 30 may be configured as arc, preferably to fit in inner bag
Outer surface, realize higher heat exchange efficiency.Also, heat exchanger tube 30 can use micro-channel flat, further to increase heat-transfer surface
Product (heat exchange area of refrigerant and the heat exchange area and heat exchanger tube 30 and inner bag of heat exchanger tube 30), so as to further improve heat exchange
Efficiency.Furthermore, it is to be understood that, when inner bag is in prismatic, heat exchanger tube 30 can also be provided accordingly to multistage straight tube and connect two-by-two
Logical form.
In this way, using the process of circulation of two refrigerant flows in parallel-flow heat exchanger 100 up and down, may be such that inner bag along height
The temperature difference in degree direction is effectively reduced, so that the upper and lower temperature difference of water body is reduced in inner bag, one time output is increased,
The utilization rate of inner bag is improved.
The present invention also proposes a kind of air-source water heater, and the air-source water heater includes foregoing water tank, the water tank
Concrete structure with reference to the foregoing embodiments, because this air-source water heater employs whole technical sides of foregoing all embodiments
Case, therefore all beneficial effects that at least technical scheme with previous embodiment is brought, this is no longer going to repeat them.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical fields in the scope of patent protection of the present invention.
Claims (10)
1. a kind of parallel-flow heat exchanger, applied to the water tank of air-source water heater, including：
First header；
Second header, second header is oppositely arranged with first header；
Some heat exchanger tubes, one end of the heat exchanger tube is connected with first header, and the other end connects with second header
Logical, some heat exchanger tubes are spaced；Characterized in that,
The parallel-flow heat exchanger also includes：
Two refrigerant input pipes, refrigerant input pipe described in one is communicated in first header or second header, Ling Yisuo
State refrigerant input pipe and be communicated in first header or second header, and the parallel-flow heat exchanger has along some
The two ends of the heat exchanger tube orientation arrangement, two refrigerant input pipes are located at the two ends of the parallel-flow heat exchanger respectively；
One refrigerant efferent duct, the refrigerant efferent duct is communicated in first header or second header, and described cold
Middle part of matchmaker's efferent duct between the two ends of the parallel-flow heat exchanger, the refrigerant efferent duct is inputted with each refrigerant
A refrigerant flow is respectively formed between pipe.
2. parallel-flow heat exchanger as claimed in claim 1, it is characterised in that the parallel-flow heat exchanger is also including at least one gear
Plate, the baffle plate is in first header and/or second header, by first header and/or described
Second header is separated into multistage pipeline section, the refrigerant input pipe, the pipeline section, the heat exchanger tube and the refrigerant efferent duct
Refrigerant flow described in two is collectively forming, each refrigerant input pipe connects the pipeline section that corresponding header is located at its end.
3. parallel-flow heat exchanger as claimed in claim 2, it is characterised in that baffle number and institute in first header
The baffle number stated in the second header is identical, and two refrigerant input pipes are respectively communicated with first header and second afflux
Pipe.
4. parallel-flow heat exchanger as claimed in claim 2, it is characterised in that the baffle number in first header compares institute
The baffle number stated in the second header is more, two refrigerant input pipes be respectively communicated with first header positioned at the two of its two ends
Pipeline section.
5. parallel-flow heat exchanger as claimed in claim 4, it is characterised in that the baffle number in first header compares institute
The baffle number many one in the second header is stated, the refrigerant efferent duct connects second header.
6. parallel-flow heat exchanger as claimed in claim 4, it is characterised in that the baffle number in first header compares institute
State baffle number in the second header many two, the refrigerant efferent duct connects being located between its two ends of first header
Pipeline section.
7. the parallel-flow heat exchanger as described in claim any one of 4-6, it is characterised in that if refrigerant flow described in two relative to
The orientation for doing the heat exchanger tube is symmetrical arranged.
8. a kind of water tank, it is characterised in that the parallel-flow heat exchanger including inner bag and as described in claim any one of 1-7, institute
The heat exchanger tube and the inner bag for stating parallel-flow heat exchanger are abutted against.
9. water tank as claimed in claim 8, it is characterised in that the first header and the second afflux of the parallel-flow heat exchanger
Short transverses of the Guan Jun along the inner bag is extended.
10. a kind of air-source water heater, it is characterised in that including water tank as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548652.2A CN107289795A (en) | 2017-07-06 | 2017-07-06 | Parallel-flow heat exchanger, water tank and air-source water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710548652.2A CN107289795A (en) | 2017-07-06 | 2017-07-06 | Parallel-flow heat exchanger, water tank and air-source water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107289795A true CN107289795A (en) | 2017-10-24 |
Family
ID=60100043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710548652.2A Pending CN107289795A (en) | 2017-07-06 | 2017-07-06 | Parallel-flow heat exchanger, water tank and air-source water heater |
Country Status (1)
| Country | Link |
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| CN (1) | CN107289795A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637773A (en) * | 2020-04-26 | 2020-09-08 | 青岛海尔新能源电器有限公司 | Heat exchanger and heat pump water heater |
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| CN102109253A (en) * | 2011-01-26 | 2011-06-29 | 广东美的电器股份有限公司 | Parallel flow heat exchanger |
| CN203454474U (en) * | 2013-06-24 | 2014-02-26 | 广东美的制冷设备有限公司 | Micro-channel heat exchanging device and air conditioner |
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| US20140366571A1 (en) * | 2010-06-21 | 2014-12-18 | Danfoss A/S | Heat exchanger |
| CN102109253A (en) * | 2011-01-26 | 2011-06-29 | 广东美的电器股份有限公司 | Parallel flow heat exchanger |
| CN203454474U (en) * | 2013-06-24 | 2014-02-26 | 广东美的制冷设备有限公司 | Micro-channel heat exchanging device and air conditioner |
| CN206919707U (en) * | 2017-07-06 | 2018-01-23 | 合肥美的暖通设备有限公司 | Parallel-flow heat exchanger, water tank and air-source water heater |
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| CN111637773A (en) * | 2020-04-26 | 2020-09-08 | 青岛海尔新能源电器有限公司 | Heat exchanger and heat pump water heater |
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Application publication date: 20171024 |