CN109253564A - Shunt assembly, heat exchanger assembly and heat pump hot water unit - Google Patents
Shunt assembly, heat exchanger assembly and heat pump hot water unit Download PDFInfo
- Publication number
- CN109253564A CN109253564A CN201811244208.2A CN201811244208A CN109253564A CN 109253564 A CN109253564 A CN 109253564A CN 201811244208 A CN201811244208 A CN 201811244208A CN 109253564 A CN109253564 A CN 109253564A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- diverter assembly
- assembly
- mixed flow
- mixing device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 8
- 239000003507 refrigerant Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a flow divider assembly, a heat exchanger assembly and a heat pump hot water unit, wherein the flow divider assembly comprises: the refrigerant is sent into the flow mixer by the inlet pipe, and the mixed flow outlet of the flow mixer and the flow dividing inlet of the flow divider are connected by the outlet pipe. The invention has the advantages of uniform refrigerant distribution, increased heat exchange quantity of the heat exchanger, improved unit reliability and the like.
Description
Technical field
The present invention relates to technical field of heat exchangers more particularly to a kind of diverter assemblies, heat exchanger assembly and heat-pump hot-water
Unit.
Background technique
In the design of heat exchanger, in order to improve the performance and efficiency of heat exchanger, and reduce the pressure loss of refrigerant, usually
Current divider can be increased before heat exchanger, the heat exchanger branch in heat exchanger is connected on the tap hole of current divider by separating tube,
Multitube line structure parallel with one another is formed between heat exchanger and current divider, makes coolant distribution.But due to the flow velocity for entering current divider
Quickly, the distribution condition of refrigerant will receive the influence that the inlet refrigerant dynamics of inlet tube is distributed after shunting, cause refrigerant point
Cloth is uneven, and temperature, the pressure for eventually leading to each heat exchanger branch outflow refrigerant are different, and the heat transfer effect of heat exchanger is poor.
Therefore, how to design a kind of diverter assembly for making refrigerant be more evenly distributed is that industry technology urgently to be resolved is asked
Topic.
Summary of the invention
In order to solve to exist in the prior art the defect that refrigerant is unevenly distributed, the present invention proposes a kind of diverter assembly, changes
Hot device assembly and heat-pump hot-water unit.
The technical solution adopted by the present invention is that designing a kind of diverter assembly, comprising: current divider, inlet tube, flow mixing device and
Refrigerant is sent into flow mixing device by outlet, inlet tube, and outlet connects the split entry of the mixed flow outlet and current divider of flow mixing device.
Preferably, outlet is straight tube.
Preferably, current divider, flow mixing device and outlet are vertically-mounted, and refrigerant flows into current divider from flow mixing device from the bottom to top
In.
Preferably, the inner cavity of flow mixing device is mixed flow chamber, and the mixed flow import of flow mixing device is equipped with inlet tube, one end of inlet tube with
Inlet tube connection, the other end protrude into mixed flow chamber.
Preferably, mixed flow chamber, inlet tube and mixed flow outlet coaxial arrangement.
Preferably, it is active section that the pipeline section in mixed flow chamber is located on inlet tube, and the endcapped of active section is arranged, active section
Side be equipped with several drainage through-hole.
Preferably, drainage through-hole is uniformly arranged around the axis of active section.
Preferably, the axis and liquid for draining through-hole, which enter, is equipped with angle between the flow direction in active section, angle
Range is 120 ° ~ 150 °.
Preferably, the length of active section is the 1/4 ~ 1/2 of the length of mixed flow chamber.
Preferably, the ratio range of the sectional area in the middle part of mixed flow chamber and the sectional area of active section inner circle is 9 ~ 20.
Preferably, the inner wall smooth of flow mixing device or uneven.
Preferably, the position on flow mixing device close to mixed flow outlet is equipped with tapered mouth, what the size of tapered mouth was exported along mixed flow
Liquid outflow direction is gradually reduced.
Preferably, one end of current divider is equipped with split entry, the other end is equipped with several shuntings being connected to split entry
Hole, split entry inside are equipped with spreader, the liquid inflow direction of the tip face split entry of spreader.
Preferably, spreader and split entry are coaxially disposed.
Preferably, angle, separate split entry on tap hole are equipped between the axis of tap hole and the axis of split entry
One end be inclined outwardly.
Preferably, tap hole is uniformly arranged around the axis of split entry.
The invention also provides a kind of heat exchanger assemblies, comprising: above-mentioned diverter assembly, heat exchanger, connection current divider and
Several separating tubes of heat exchanger.
Preferably, heat exchanger includes: gas collecting tube, several heat exchanger branches in parallel, and current divider is equipped with several shuntings
Hole, one end of each heat exchanger branch is connected on tap hole by separating tube, the other end is connected on gas collecting tube.
Preferably, separating tube is copper pipe or capillary.
The invention also provides a kind of heat-pump hot-water units, including above-mentioned heat exchanger assembly.
Compared with prior art, the present invention increases flow mixing device between current divider and inlet tube, refrigerant by inlet tube into
Enter flow mixing device, be uniformly mixed gas-liquid two-phase by flow mixing device, then enter back into current divider, keeps the refrigerant distribution before shunting more equal
It is even, the stability of shunting is increased, the entrance refrigerant state and dynamics that inlet tube can be greatly reduced are distributed to shunting effect
It influences.
Detailed description of the invention
Below with reference to embodiment and attached drawing, the present invention is described in detail, in which:
Fig. 1 is the outside schematic diagram of diverter assembly in the present invention；
Fig. 2 is the schematic diagram of internal structure of diverter assembly in the present invention；
Fig. 3 is the schematic diagram of internal structure of current divider in the present invention；
Fig. 4 is the connection schematic diagram of heat exchanger assembly in the present invention.
Specific embodiment
As shown in Figure 1, 2, diverter assembly proposed by the present invention, comprising: current divider 1, inlet tube 2, flow mixing device 3 and outlet
Pipe 4, refrigerant by electric expansion valve or supercooling tube throttling after flow in inlet tube 2, then from inlet tube 2 enter flow mixing device 3 in into
Row mixing, outlet 4 connect the mixed flow outlet 32 and the split entry 11 of current divider 1 of flow mixing device 3, and mixed refrigerant is by going out
Mouth pipe 4 is sent into current divider 1.In a preferred embodiment, outlet 4 is straight tube, to guarantee that power distribution will not influence shunting effect,
Current divider 1, flow mixing device 3 and the axis of outlet 4 are vertically-mounted, and refrigerant flows into current divider 1 from flow mixing device 3 from the bottom to top,
Uneven, guarantee shunting effect stable and uniform is shunted caused by avoiding due to gravity.
As shown in Fig. 2, the structure of flow mixing device 3 is as follows, the inner cavity of flow mixing device 3 is mixed flow chamber 33, mixed flow chamber 33, mixed flow import
31 and 32 coaxial arrangement of mixed flow outlet, mixed flow import 31 be equipped with inlet tube 35, the outer wall of inlet tube 35 is interior with mixed flow import 31
Wall is tightly connected, and one end of inlet tube 35 is connect with inlet tube 2, and the other end of inlet tube 35 protrudes into mixed flow chamber 33.Inlet tube
The pipeline section for being located in mixed flow chamber 33 on 35 is active section 36, and the length of active section 36 is the 1/4 ~ 1/2 of the length of mixed flow chamber 33, work
Make the endcapped setting of section 36, the side of active section 36 is equipped with several drainage through-holes 37, and refrigerant enters from drainage through-hole 37
It is mixed in mixed flow chamber 33, drainage through-hole 37 is uniformly arranged around the axis of active section 36, so that radial direction of the refrigerant from active section 36
On even into mixed flow chamber 33, the axis and liquid for draining through-hole 37, which enter, is equipped with folder between the flow direction in active section 36
Angle, the range of angle are 120 ° ~ 150 °, and drainage through-hole 37 oliquely downward draws refrigerant, to reinforce the mixed flow effect of mixed flow chamber 33
Fruit.The internal diameter at 33 middle part of mixed flow chamber is greater than the internal diameter of active section 36, the sectional area and 36 inner circle of active section at 33 middle part of mixed flow chamber
The ratio range of sectional area is 9 ~ 20, and to guarantee that refrigerant sufficiently slows down in mixed flow chamber 33, gas-liquid two-phase is uniformly mixed.
Further, the top of flow mixing device 3 is equipped with tapered mouth 34, and tapered mouth 34 connects the middle part of flow mixing device 3 and mixed flow goes out
The size of mouth 32, tapered mouth 34 is gradually reduced along the liquid outflow direction of mixed flow outlet 32, to improve aerodynamic quality, mixed flow
The inner wall smooth of device 3 is uneven, and light pipe, bellows, screwed pipe or other casts can be used.
As shown in figure 3, the structure of current divider 1 is as follows, one end of current divider 1 is equipped with split entry 11, current divider 1 it is another
End is equipped with several tap holes 12 being connected to split entry 11, is equipped with spreader 13 inside split entry 11, spreader 13
The liquid inflow direction of tip face split entry 11, spreader 13 and split entry 11 are coaxially disposed, and tap hole 12, which is surround, to be divided
The axis arrangement for flowing device 1 is equipped with angle, separate shunting on tap hole 12 between the axis of tap hole 12 and the axis of current divider 1
One end of entrance 11 is inclined outwardly, and refrigerant is by being assigned in each tap hole 12 more evenly of spreader 13.
As shown in figure 4, the invention also provides a kind of heat exchanger assemblies, comprising: above-mentioned diverter assembly, heat exchanger, company
Connect several separating tubes 5 of current divider 1 and heat exchanger.Wherein, heat exchanger includes: gas collecting tube 6 and several heat exchangers in parallel
One end of branch 7, each heat exchanger branch 7 is connected on tap hole 12 by separating tube 5, and the other end of heat exchanger branch 7 connects
It connects on gas collecting tube 6, separating tube 5 can be general copper pipe, be also possible to the capillary of variable diameter, can be to each heat exchanger of entrance
The coolant quantity of branch 7 is finely adjusted.Refrigerant is sufficiently exchanged heat in heat exchanger branch 7 with heat source, completes to exchange heat with heat exchanger
Refrigerant converge in gas collecting tube 6, by the effect of diverter assembly uniform divided flows, make each 7 exit refrigerant of heat exchanger branch
Temperature, pressure reach unanimity, increase the heat exchange amount of heat exchanger, improve heat exchange efficiency, and it is a variety of to can be suitably used for heat exchanger
Different operating conditions, unit reliability improve.
The invention also provides a kind of heat-pump hot-water units, including above-mentioned heat exchanger assembly.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (21)
1. a kind of diverter assembly, comprising: current divider (1) and inlet tube (2), which is characterized in that further include: flow mixing device (3) and
Refrigerant is sent into the flow mixing device (3) by outlet (4), the inlet tube (2), and the outlet (4) connects the flow mixing device
(3) split entry (11) of mixed flow outlet (32) and the current divider (1).
2. diverter assembly as described in claim 1, which is characterized in that the outlet (4) is straight tube.
3. diverter assembly as claimed in claim 2, which is characterized in that the current divider (1), the flow mixing device (3) and institute
It is vertically-mounted to state outlet (4), refrigerant flows into the current divider (1) from the flow mixing device (3) from the bottom to top.
4. diverter assembly as described in any one of claims 1 to 3, which is characterized in that the inner cavity of the flow mixing device (3) is mixed
Flow chamber (33), the mixed flow import (31) of the flow mixing device is equipped with inlet tube (35), one end of the inlet tube (35) with it is described enter
Mouth pipe (2) connection, the other end protrude into the mixed flow chamber (33).
5. diverter assembly as claimed in claim 4, which is characterized in that the mixed flow chamber (33), the inlet tube (35) and
Mixed flow outlet (32) coaxial arrangement.
6. diverter assembly as claimed in claim 4, which is characterized in that be located at the mixed flow chamber on the inlet tube (35)
(33) pipeline section in is active section (36), and the endcapped of the active section (36) is arranged, and the side of the active section (36) is set
There are several to drain through-hole (37).
7. diverter assembly as claimed in claim 6, which is characterized in that the drainage through-hole (37) is around the active section
(36) axis is uniformly arranged.
8. diverter assembly as claimed in claim 6, which is characterized in that the axis and liquid of drainage through-hole (37) enter
Angle is equipped between flow direction in the active section (36), the range of the angle is 120 ° ~ 150 °.
9. diverter assembly as claimed in claim 6, which is characterized in that the length of the active section (36) is the mixed flow chamber
(33) the 1/4 ~ 1/2 of length.
10. diverter assembly as claimed in claim 6, which is characterized in that sectional area and institute in the middle part of the mixed flow chamber (33)
The ratio range for stating the sectional area of active section (36) inner circle is 9 ~ 20.
11. diverter assembly as described in claim 1, which is characterized in that the inner wall smooth or bumps of the flow mixing device (3) are not
It is flat.
12. diverter assembly as described in claim 1, which is characterized in that exported on the flow mixing device (3) close to the mixed flow
(32) position is equipped with tapered mouth (34), and the size of the tapered mouth (34) flows out direction along the liquid that the mixed flow exports (32)
It is gradually reduced.
13. diverter assembly as described in claim 1, which is characterized in that one end of the current divider (1) is equipped with the shunting
Entrance (11), the other end are equipped with several tap holes (12) being connected to the split entry (11), the split entry (11)
Inside is equipped with spreader (13), the liquid inflow direction of split entry (11) described in the tip face of the spreader (13).
14. diverter assembly as claimed in claim 13, which is characterized in that the spreader (13) and the split entry
(11) it is coaxially disposed.
15. diverter assembly as claimed in claim 13, which is characterized in that the axis of the tap hole (12) and the shunting
Angle is equipped between the axis of entrance (11), one end far from the split entry (11) leans outward on the tap hole (12)
Tiltedly.
16. the diverter assembly as described in any one of claim 13 to 15, which is characterized in that the tap hole (12) is around described
The axis of split entry (11) is uniformly arranged.
17. a kind of heat exchanger assembly characterized by comprising such as the described in any item diverter assemblies of claim 1 to 16.
18. heat exchanger assembly as claimed in claim 17, which is characterized in that further include: heat exchanger, the connection current divider
(1) and several separating tubes (5) of the heat exchanger.
19. heat exchanger assembly as claimed in claim 18, which is characterized in that the heat exchanger includes: gas collecting tube (6), several
The heat exchanger branch (7) of a parallel connection, the current divider (1) are equipped with several tap holes (12), each heat exchanger branch (7)
One end connect the gas collecting tube (6), the other end and connect the tap hole (12) by the separating tube (5).
20. heat exchanger assembly as claimed in claim 18, which is characterized in that the separating tube (5) is copper pipe or capillary.
21. a kind of heat-pump hot-water unit characterized by comprising such as the described in any item heat exchanger groups of claim 17 to 20
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811244208.2A CN109253564A (en) | 2018-10-24 | 2018-10-24 | Shunt assembly, heat exchanger assembly and heat pump hot water unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811244208.2A CN109253564A (en) | 2018-10-24 | 2018-10-24 | Shunt assembly, heat exchanger assembly and heat pump hot water unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109253564A true CN109253564A (en) | 2019-01-22 |
Family
ID=65045780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811244208.2A Withdrawn CN109253564A (en) | 2018-10-24 | 2018-10-24 | Shunt assembly, heat exchanger assembly and heat pump hot water unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109253564A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0331267U (en) * | 1989-08-02 | 1991-03-27 | ||
| JP2006112668A (en) * | 2004-10-12 | 2006-04-27 | Fujitsu General Ltd | Outdoor unit for multi-chamber type air conditioner |
| JP2006349238A (en) * | 2005-06-15 | 2006-12-28 | Daikin Ind Ltd | Refrigerant flow divider |
| JP2007064489A (en) * | 2005-08-29 | 2007-03-15 | Sanyo Electric Co Ltd | Air conditioner |
| CN200943980Y (en) * | 2006-03-07 | 2007-09-05 | 浙江盾安精工集团有限公司 | Gas-liquid fog-like flow distributor |
| CN103604257A (en) * | 2013-11-27 | 2014-02-26 | 宁波昌华铜制品有限公司 | Dispenser |
| JP2017032244A (en) * | 2015-08-05 | 2017-02-09 | 東芝キヤリア株式会社 | Refrigeration cycle device |
| CN207163031U (en) * | 2017-09-04 | 2018-03-30 | 钱美霞 | A kind of current divider with conical flow guiding piece |
| CN207365518U (en) * | 2017-06-13 | 2018-05-15 | 珠海格力电器股份有限公司 | Knockout inlet tube, diverging device and air conditioner |
| CN209013534U (en) * | 2018-10-24 | 2019-06-21 | 珠海格力电器股份有限公司 | Shunt assembly, heat exchanger assembly and heat pump hot water unit |
-
2018
- 2018-10-24 CN CN201811244208.2A patent/CN109253564A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0331267U (en) * | 1989-08-02 | 1991-03-27 | ||
| JP2006112668A (en) * | 2004-10-12 | 2006-04-27 | Fujitsu General Ltd | Outdoor unit for multi-chamber type air conditioner |
| JP2006349238A (en) * | 2005-06-15 | 2006-12-28 | Daikin Ind Ltd | Refrigerant flow divider |
| JP2007064489A (en) * | 2005-08-29 | 2007-03-15 | Sanyo Electric Co Ltd | Air conditioner |
| CN200943980Y (en) * | 2006-03-07 | 2007-09-05 | 浙江盾安精工集团有限公司 | Gas-liquid fog-like flow distributor |
| CN103604257A (en) * | 2013-11-27 | 2014-02-26 | 宁波昌华铜制品有限公司 | Dispenser |
| JP2017032244A (en) * | 2015-08-05 | 2017-02-09 | 東芝キヤリア株式会社 | Refrigeration cycle device |
| CN207365518U (en) * | 2017-06-13 | 2018-05-15 | 珠海格力电器股份有限公司 | Knockout inlet tube, diverging device and air conditioner |
| CN207163031U (en) * | 2017-09-04 | 2018-03-30 | 钱美霞 | A kind of current divider with conical flow guiding piece |
| CN209013534U (en) * | 2018-10-24 | 2019-06-21 | 珠海格力电器股份有限公司 | Shunt assembly, heat exchanger assembly and heat pump hot water unit |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190122 |