CN108954989A - A kind of current divider and refrigeration system - Google Patents

A kind of current divider and refrigeration system Download PDF

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Publication number
CN108954989A
CN108954989A CN201810959757.1A CN201810959757A CN108954989A CN 108954989 A CN108954989 A CN 108954989A CN 201810959757 A CN201810959757 A CN 201810959757A CN 108954989 A CN108954989 A CN 108954989A
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CN
China
Prior art keywords
mixing chamber
current divider
movable vane
refrigerant
supervisor
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.)
Pending
Application number
CN201810959757.1A
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Chinese (zh)
Inventor
刘家豪
卫广穹
李庆
杨虹
李福良
杜之初
朱武云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201810959757.1A priority Critical patent/CN108954989A/en
Publication of CN108954989A publication Critical patent/CN108954989A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The present invention provides a kind of current divider and refrigeration systems, are related to fluid machinery technical field, solve existing coolant distribution device and shunt non-uniform technical problem.Current divider includes a plurality of branch for shunting supervisor and communicating therewith, it shunts in the mixing chamber of supervisor and is provided with movable vane mechanism, when refrigerant passes through movable vane mechanism, the pressure that the flowing of refrigerant generates rotates movable vane mechanism, and movable vane mechanism also drives refrigerant helical flow in rotation, and have passed through strike and the water conservancy diversion of movable vane mechanism, so that the liquid phase etc. that all directions branch is got, it is uneven to solve the problems, such as that current divider shunts.

Description

A kind of current divider and refrigeration system
Technical field
The present invention relates to fluid machinery technical fields, more particularly, to a kind of current divider and refrigeration system.
Background technique
A current divider is usually arranged in the entrance of the evaporator of air-conditioning, the refrigerant after throttling is divided into several processes It is assigned in evaporator and completes evaporation.The performance of current divider directly affects the cold medium flux into each process of evaporator.It shunts If the performance of device is poor, the flow that will lead to evaporator some processes is too small, and the process is caused seriously to overheat, heat exchanger wave Take;The flow of other processes is bigger than normal simultaneously, and refrigerant evaporation is insufficient, influences condensation performance.
The shunt type now generally used currently on the market is venturi type current divider, cardinal principle are as follows: refrigerant warp After crossing laval nozzle, flow velocity is improved, and gas-liquid two-phase is uniformly mixed, to achieve the effect that finally to evenly distribute.
Applicants have discovered that at least there is following technical problem in the prior art:
The flowing of refrigerant in venturi type current divider, due to the effect of centrifugal force, vapour-liquid can generate separation, often result in liquid Body and the non-uniform mixing of steam, so that final distribution is uneven.In order to solve this problem, outlet of the someone in current divider A mixing chamber is arranged in the upstream on road, and water conservancy diversion gasket is arranged in mixing chamber, and water conservancy diversion gasket changes the flow direction of refrigerant, makes Refrigerant transfers to achieve the purpose that mixing in mixing chamber inward turning.But this mode water conservancy diversion gasket be it is fixed, gas-liquid mixed is one quiet The balance of state reaches basic just constant after some mean value, even shunting uneven, will not further be mixed with, because This still has by the refrigerant of setting-up piece and shunts non-uniform problem.
Summary of the invention
The purpose of the present invention is to provide a kind of current divider and refrigeration systems, to solve refrigerant existing in the prior art point It flows device and shunts non-uniform technical problem.Optimal technical scheme in many technical solutions provided by the invention can be generated all More technical effect elaborations as detailed below.
To achieve the above object, the present invention provides following technical schemes:
A kind of current divider provided by the invention, including a plurality of branch for shunting supervisor and communicating therewith, the shunting supervisor Mixing chamber in be provided with movable vane mechanism, the movable vane mechanism can rotate under the impact of refrigerant, and refrigerant is equably divided It is assigned in a plurality of branch.
Optionally, the movable vane mechanism includes at least one blade group, and the blade group can be in the impact lower edge of refrigerant It is described to shunt rotating in a circumferential direction for supervisor.
Optionally, the mixing chamber for shunting supervisor includes the first mixing chamber and the second mixing chamber being connected, and described the One mixing chamber is located at the upstream of second mixing chamber.
Optionally, the movable vane mechanism is located in second mixing chamber.
Optionally, taper guide groove is axially offered between first mixing chamber and second mixing chamber, and described The vertex of a cone of taper guide groove is far from second mixing chamber.
Optionally, second mixing chamber has arc buffering band, and the arc buffering band is located at second mixing chamber Far from first mixing chamber end.
Optionally, the mixing chamber for shunting supervisor further includes third mixing chamber, the third mixing chamber and described second Mixing chamber is connected, and is located at the downstream of second mixing chamber.
Optionally, the downstream of the third mixing chamber is provided with the 4th mixing chamber, the third mixing chamber and the described 4th Taper guide groove is axially offered between mixing chamber, and the vertex of a cone of the taper guide groove is far from the third mixing chamber.
Optionally, the downstream of the 4th mixing chamber is provided with the 5th mixing chamber, is provided with cone in the 5th mixing chamber Shape guide part.
Optionally, the movable vane mechanism is installed on the inner wall for shunting supervisor by bracket.
Optionally, current divider further includes liquid separation disk, and the shunting supervisor passes through the liquid separation disk and a plurality of branch phase Connection.
A kind of refrigeration system provided by the invention, including any of the above current divider.
Optionally, the current divider is vertically-mounted.
A kind of current divider provided by the invention and refrigeration system work as refrigerant by shunting setting movable vane mechanism in supervisor When by movable vane mechanism, the pressure that the flowing of refrigerant generates rotates movable vane mechanism, and movable vane mechanism also drives cold in rotation Matchmaker's helical flow, and have passed through strike and the water conservancy diversion of movable vane mechanism, so that the liquid phase etc. that all directions branch is got, solves Shunt uneven problem.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of the section structure of movable vane formula current divider built in a kind of specific embodiment of current divider of the present invention;
Fig. 2 is a kind of bottom view of specific embodiment of movable vane mechanism;
Fig. 3 is a kind of structural schematic diagram of specific embodiment of movable vane bracket;
Fig. 4 is a kind of structural schematic diagram of specific embodiment of liquid separation disk;
Arrow gives the substantially flow direction of refrigerant in built-in movable vane formula current divider in Fig. 5.
1 in figure, shunt supervisor;2, branch;3, movable vane mechanism;31, movable vane;4, the first mixing chamber;5, the second mixing chamber;6, Third mixing chamber;7, the 4th mixing chamber;8, the 5th mixing chamber;9, taper guide groove;10, taper guide part;11, bracket;111, Fan shape hole;12, liquid separating port.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work Other embodiment belongs to the range that the present invention is protected.
The present invention provides a kind of current dividers to shunt supervisor's 1 including a plurality of branch 2 for shunting supervisor 1 and communicating therewith 31 mechanism 3 of movable vane is provided in mixing chamber, 31 mechanism 3 of movable vane can rotate under the impact of refrigerant, and refrigerant is equably divided It is assigned in a plurality of branch 2.
By shunting setting 31 mechanism 3 of movable vane in supervisor 1, when refrigerant passes through 31 mechanism 3 of movable vane, the flowing of refrigerant is produced Raw pressure rotates 31 mechanism 3 of movable vane, and 31 mechanism 3 of movable vane also drives refrigerant helical flow in rotation, and have passed through The strike of 31 mechanism 3 of movable vane and water conservancy diversion, so that the liquid phase etc. that all directions branch 2 is divided, solves the problems, such as to shunt uneven.
By making the balanced mixing of refrigerant air-liquid two-phase, the refrigerant for realizing gas-liquid two-phase is uniformly equally assigned to Each branch 2 of evaporator, due to the effect of 31 mechanism 3 of movable vane, refrigerant is mixed to form a dynamic equilibrium, in some time The possible liquid separation of point is uneven, as soon as but from the point of view of the period, evenly distributing for each branch 2 can be reached.The present invention is compared to text Formula current divider can preferably carry out flow path distribution in mound, realize that evaporator carries out uniform heat exchange, system energy efficiency 8% can be improved Left and right.
Optionally embodiment, 31 mechanism 3 of movable vane include at least one blade group, and blade group being capable of rushing in refrigerant It hits lower edge and shunts rotating in a circumferential direction for supervisor 1.
Fig. 2 gives a kind of bottom view of specific embodiment of 31 mechanism of movable vane 3, and blade group includes five movable vanes 31.
31 mechanism 3 of movable vane uses vane type fluid structure, by the design of vane foil, preferably controls the flowing of refrigerant Direction forms it into specific helical flow state.
Optionally embodiment, the mixing chamber for shunting supervisor 1 include the first mixing chamber 4 being connected and the second mixing Room 5, the first mixing chamber 4 are located at the upstream of the second mixing chamber 5.
Refrigerant enters back into the mixing of the second mixing chamber 5 after the first mixing chamber 4 carries out preliminary mixing, and mixing is more evenly.
Optionally embodiment, 31 mechanism 3 of movable vane are located in the second mixing chamber 5.
The second mixing chamber 5 that refrigerant enters back into setting 31 mechanism 3 of movable vane after the first mixing chamber 4 carries out preliminary mixing is mixed It closes, the refrigerant through tentatively mixing passes through 31 mechanism 3 of movable vane again and carries out dynamic mixing, and refrigerant mixing is more uniform.
As shown in Figure 1, refrigerant initially enters the first mixing chamber 4, because the cross section of pipeline changes, refrigerant can be Preliminary mixing is carried out in one mixing chamber 4.Mixed fluid enters the second mixing chamber 5, and the section of the second mixing chamber 5 is gradual change , the flow direction of fluid is also changing always, until the position of movable vane 31.When refrigerant passes through movable vane 31, the flowing of refrigerant is generated Pressure cause movable vane 31 to be oriented rotation, and movable vane 31 is split and hits to refrigerant in rotation, this process can will The more liquid phase refrigerant in certain is directed to the indoor all directions of mixing, and makes refrigerant helical flow, the refrigerant of liquid phase Due to the effect of centrifugal force, it can be biased to the outside of mixing chamber, gas phase refrigerant is biased to inside, the refrigerant edge partially hit by movable vane 31 Opposite direction flowing, and mixed with subsequent refrigerant through movable vane 31.
Optionally embodiment axially offers taper guide groove 9 between the first mixing chamber 4 and the second mixing chamber 5, And the vertex of a cone of taper guide groove 9 is far from the second mixing chamber 5.
Taper guide groove 9 is set between first mixing chamber 4 and the second mixing chamber 5, and the vertex of a cone of taper guide groove 9 is far from the Two mixing chambers 5 make refrigerant along preset road to form a transition guide section between the first mixing chamber 4 and the second mixing chamber 5 Diameter movement, reduces energy loss, improves efficiency.
Optionally embodiment, the second mixing chamber 5 have arc buffering band, and arc buffering band is located at the second mixing chamber 5 end far from the first mixing chamber 4.
Second mixing chamber 5 has an arc buffering band to bracket 11, because of the effect of buffer strip, is assigned to outside originally Liquid phase refrigerant will be directed to inside, uniformly mix with gaseous refrigerant.
Optionally embodiment, the mixing chamber for shunting supervisor 1 further includes third mixing chamber 6, third mixing chamber 6 and the Two mixing chambers 5 are connected, and are located at the downstream of the second mixing chamber 5.
There are a dynamic blending space and time via the refrigerant of 31 mechanism of movable vane, 3 rear screw flowing to allow, it is mixed second The downstream for closing room 5 is also provided with third mixing chamber 6.
Optionally embodiment, the downstream of third mixing chamber 6 are provided with the 4th mixing chamber 7, third mixing chamber 6 and Taper guide groove 9 is axially offered between four mixing chambers 7.
Axially offer taper guide groove 9 between third mixing chamber 6 and the 4th mixing chamber 7, thus third mixing chamber 6 with A transition guide section is formed between 4th mixing chamber 7, moves refrigerant along preset path, is reduced energy loss, is improved efficiency.
The circulation area of 4th mixing chamber 7 is greater than the circulation area of third mixing chamber 6, and the vertex of a cone of taper guide groove 9 is separate Third mixing chamber 6, refrigerant can more swimmingly flow to the 4th mixing chamber 7, and energy loss is few.
Optionally embodiment, the downstream of the 4th mixing chamber 7 are provided with the 5th mixing chamber 8, set in the 5th mixing chamber 8 It is equipped with taper guide part 10.
The downstream of 4th mixing chamber 7 is provided with the 5th mixing chamber 8, so that uniformly mixed refrigerant is oriented to each branch 2, Meet fluid dynamics.
Fig. 5 gives the substantially flow direction of refrigerant in 31 formula current divider of built-in movable vane, and flow direction is as shown by arrows in figure.
Optionally embodiment, 31 mechanism 3 of movable vane are installed on the inner wall for shunting supervisor 1 by bracket 11.Bracket 11 specific structure is referring to Fig. 3.Refrigerant by 31 mechanism 3 of movable vane will flow to by four fan shape holes 111 on bracket 11 Three mixing chambers 6.
Optionally embodiment, current divider further include liquid separation disk, and the structure of shunting disk referring to fig. 4, it is logical to shunt supervisor 1 Liquid separation disk is crossed to be connected with a plurality of branch 2.
The refrigerant of gas-liquid mixed equilibrium passes through the liquid separating port 12 on liquid separation disk again and enters in branch 2, and a plurality of branch 2 will Refrigerant is oriented in each evaporator branch.
A kind of refrigeration system provided by the invention, including any of the above current divider.
Refrigerant is by becoming vehicle repair major fluid after throttling.After refrigeration system starting, the refrigerant of gas-liquid two-phase first leads to Current divider is crossed, coolant distribution is directed in each branch of evaporator by current divider again.The current divider of built-in movable vane 31 is by vapour-liquid two The refrigerant of phase more fully mixes, by refrigerant uniform divided flows to evaporator.
Optionally embodiment, current divider are vertically-mounted.
Current divider is vertically-mounted, can guarantee the system of the contacted gas-liquid two-phase state of entrance of every branch 2 of evaporator The equiprobability of cryogen incoming flow can thus make each tributary branch 2 of evaporator realize the uniform of gas-liquid two-phase state refrigerant Distribution, can guarantee that evaporator branch 2 uniformly adequately exchanges heat, and optimization refrigeration effect is more obvious, improves heat-exchange performance Can, to save efficiency.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.

Claims (13)

1. a kind of current divider, including a plurality of branch for shunting supervisor and communicating therewith, which is characterized in that described to shunt the mixed of supervisor Close it is intracavitary be provided with movable vane mechanism, the movable vane mechanism can rotate under the impact of refrigerant, and refrigerant is uniformly distributed to In a plurality of branch.
2. current divider according to claim 1, which is characterized in that the movable vane mechanism includes at least one blade group, institute Rotating in a circumferential direction for supervisor can be shunted described in the impact lower edge of refrigerant by stating blade group.
3. current divider according to claim 1, which is characterized in that the mixing chamber for shunting supervisor includes the to be connected One mixing chamber and the second mixing chamber, first mixing chamber are located at the upstream of second mixing chamber.
4. current divider according to claim 3, which is characterized in that the movable vane mechanism is located in second mixing chamber.
5. current divider according to claim 3, which is characterized in that between first mixing chamber and second mixing chamber Taper guide groove axially is offered, and the vertex of a cone of the taper guide groove is far from second mixing chamber.
6. current divider according to claim 3, which is characterized in that second mixing chamber has arc buffering band, described Arc buffering band is located at the end far from first mixing chamber of second mixing chamber.
7. current divider according to claim 3, which is characterized in that the mixing chamber for shunting supervisor further includes third mixing Room, the third mixing chamber are connected with second mixing chamber, and are located at the downstream of second mixing chamber.
8. current divider according to claim 7, which is characterized in that the downstream of the third mixing chamber is provided with the 4th mixing Room, axially offers taper guide groove between the third mixing chamber and the 4th mixing chamber, and the taper guide groove The vertex of a cone is far from the third mixing chamber.
9. current divider according to claim 8, which is characterized in that the downstream of the 4th mixing chamber is provided with the 5th mixing Room is provided with taper guide part in the 5th mixing chamber.
10. current divider according to claim 1, which is characterized in that the movable vane mechanism is installed on described point by bracket On the inner wall for flowing supervisor.
11. -10 any current divider according to claim 1, which is characterized in that it further include liquid separation disk, the shunting supervisor It is connected by the liquid separation disk with a plurality of branch.
12. a kind of refrigeration system, which is characterized in that including any current divider of claim 1-11.
13. refrigeration system according to claim 12, which is characterized in that the current divider is vertically-mounted.
CN201810959757.1A 2018-08-21 2018-08-21 A kind of current divider and refrigeration system Pending CN108954989A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810959757.1A CN108954989A (en) 2018-08-21 2018-08-21 A kind of current divider and refrigeration system

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Application Number Priority Date Filing Date Title
CN201810959757.1A CN108954989A (en) 2018-08-21 2018-08-21 A kind of current divider and refrigeration system

Publications (1)

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CN108954989A true CN108954989A (en) 2018-12-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110057143A (en) * 2019-04-08 2019-07-26 北京安通伟业工程设备有限公司 A kind of residential central air conditioning branch pipe
CN115479414A (en) * 2022-09-27 2022-12-16 中南大学 Fluid distribution device capable of distributing fluid evenly

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001116397A (en) * 1999-10-19 2001-04-27 Mitsubishi Electric Corp Refrigerant distributor
JP2010038416A (en) * 2008-08-04 2010-02-18 Daikin Ind Ltd Refrigerant flow dividing device
CN202521968U (en) * 2011-09-28 2012-11-07 广州奥太制冷设备有限公司 Air conditioner flow divider
CN102901275A (en) * 2011-07-25 2013-01-30 沈红如 Refrigerant distribution device
CN204254940U (en) * 2014-11-21 2015-04-08 新昌县丰亿电器有限公司 A kind of air conditioner coolant flow quantity distributor
CN106546036A (en) * 2016-11-21 2017-03-29 珠海格力电器股份有限公司 Shunt head and air-conditioner, the control method of air-conditioner
CN207635661U (en) * 2017-11-22 2018-07-20 新昌县华亿机械有限公司 Welded-type impeller distributor
CN208952477U (en) * 2018-08-21 2019-06-07 珠海格力电器股份有限公司 A kind of current divider and refrigeration system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001116397A (en) * 1999-10-19 2001-04-27 Mitsubishi Electric Corp Refrigerant distributor
JP2010038416A (en) * 2008-08-04 2010-02-18 Daikin Ind Ltd Refrigerant flow dividing device
CN102901275A (en) * 2011-07-25 2013-01-30 沈红如 Refrigerant distribution device
CN202521968U (en) * 2011-09-28 2012-11-07 广州奥太制冷设备有限公司 Air conditioner flow divider
CN204254940U (en) * 2014-11-21 2015-04-08 新昌县丰亿电器有限公司 A kind of air conditioner coolant flow quantity distributor
CN106546036A (en) * 2016-11-21 2017-03-29 珠海格力电器股份有限公司 Shunt head and air-conditioner, the control method of air-conditioner
CN207635661U (en) * 2017-11-22 2018-07-20 新昌县华亿机械有限公司 Welded-type impeller distributor
CN208952477U (en) * 2018-08-21 2019-06-07 珠海格力电器股份有限公司 A kind of current divider and refrigeration system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110057143A (en) * 2019-04-08 2019-07-26 北京安通伟业工程设备有限公司 A kind of residential central air conditioning branch pipe
CN110057143B (en) * 2019-04-08 2024-04-30 北京安通伟业工程设备有限公司 Household central air conditioner branch pipe
CN115479414A (en) * 2022-09-27 2022-12-16 中南大学 Fluid distribution device capable of distributing fluid evenly

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