CN104154685A - Flow equalizing device and air conditioner with same - Google Patents
Flow equalizing device and air conditioner with same Download PDFInfo
- Publication number
- CN104154685A CN104154685A CN201410432656.0A CN201410432656A CN104154685A CN 104154685 A CN104154685 A CN 104154685A CN 201410432656 A CN201410432656 A CN 201410432656A CN 104154685 A CN104154685 A CN 104154685A
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- Prior art keywords
- current equalizer
- fluid
- current
- shell
- fluid inlet
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
The invention provides a flow equalizing device and an air conditioner with the flow equalizing device. The flow equalizing device comprises a pre-treating portion and a flow equalizing portion. The pre-treating portion is provided with a tube shell. The tube shell is provided with a fluid inlet and a fluid outlet. A containing cavity is arranged in the tube shell. A bubble breaking structure which is used for breaking bubbles is arranged in the containing cavity. The bubble breaking structure is located between the fluid inlet and the fluid outlet. The flow equalizing portion is communicated with the pre-treating portion and is located on the downstream portion of the pre-treating portion. By the adoption of the flow equalizing device, the good flow equalizing effect can be achieved.
Description
Technical field
The present invention relates to air-conditioning equipment accessory field, in particular to a kind of current equalizer and there is its air-conditioner.
Background technology
When existing diversion mechanism air-conditioner is exported at full capacity, refrigerant flow velocity in this diversion mechanism is very fast, and its shunting uniformity coefficient is poor, and current-sharing effect can not meet instructions for use.Existing current equalizer is shunted refrigerant, in order to ensure that shunting evenly, has strict demand to the setting angle of current divider, if setting angle deviation can make the poor phenomenon of properties of product uniformity.In a word, existing current equalizer to technological requirement strict and current-sharing weak effect.
Summary of the invention
The present invention aims to provide a kind of current equalizer and has its air-conditioner, to solve the problem of current equalizer current-sharing weak effect of the prior art.
To achieve these goals, according to an aspect of the present invention, a kind of current equalizer is provided, this current equalizer comprises: pretreatment portion, pretreatment portion has shell, is provided with fluid inlet and fluid issuing on shell, and in shell, has container cavity, in container cavity, be provided with the bubble breaking structure of breaing up bubble, bubble breaking structure is between fluid inlet and fluid issuing; Current-sharing portion, current-sharing portion is communicated with pretreatment portion, and is positioned at pretreatment portion downstream.
Further, pretreatment portion also comprises that fluid inlet tube and fluid go out pipe, and fluid inlet tube is fixedly installed on shell, and be communicated with container cavity by fluid inlet, fluid goes out pipe and is fixedly installed on shell, and is communicated with container cavity by fluid issuing, and current-sharing portion is connected to fluid and goes out on pipe.
Further, the caliber of shell is greater than the caliber of fluid inlet tube.
Further, bubble breaking structure is screen pack, and screen pack is fixedly installed in container cavity.
Further, be also fixedly installed filter screen bracket in container cavity, screen pack comprises wire side and skeleton, and skeleton is fixedly connected with filter screen bracket, and wire side is located at outside skeleton.
Further, skeleton is spirality, and increases gradually along the sectional area of the flow direction skeleton of fluid, between adjacent two spirals of skeleton, has gap.
Further, bubble breaking structure comprises substrate and the passage that runs through substrate, and substrate is fixedly installed in shell.
Further, be also provided with spacing preiection on shell, spacing preiection is towards the axis projection of shell, and spacing preiection lays respectively at the two ends along fluid flow direction of filter screen bracket.
According to a further aspect in the invention, provide a kind of air-conditioner, comprised First Heat Exchanger, the second heat exchanger and current equalizer, current equalizer is connected between First Heat Exchanger and the second heat exchanger, and current equalizer is above-mentioned current equalizer.
Further, the fluid inlet of current equalizer is communicated with the outlet of First Heat Exchanger, and the separatory capillary of the current-sharing portion of current equalizer is communicated with the entrance of the second heat exchanger, and the fluid inlet of the pretreatment portion of current equalizer and fluid issuing are straight down.
Apply technical scheme of the present invention, the larger bubble being mingled with in liquid refrigerants can be divided into less bubble by the screen pack being arranged in shell, and minute bubbles more easily flow with liquid refrigerants, so just avoid the existence of air pocket, and then avoided the phenomenon of refrigerant layering, having ensured can have good current-sharing effect after refrigerant enters current-sharing portion.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the current equalizer of embodiments of the invention;
Fig. 2 shows the cutaway view of the shell of the current equalizer of embodiments of the invention;
Fig. 3 shows the top view of the shell of the current equalizer of embodiments of the invention; And
Fig. 4 shows the front view of the shell of the current equalizer of embodiments of the invention.
Description of reference numerals: 1, fluid inlet tube; 2, shell; 21, fluid inlet; 22, fluid issuing; 24, spacing preiection; 31, filter screen bracket; 32, wire side; 33, skeleton; 5, fluid goes out pipe; 6, current-sharing portion; 7, separatory capillary.
Detailed description of the invention
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
As shown in Figures 1 to 4, according to embodiments of the invention, current equalizer comprises pretreatment portion and current-sharing portion 6.Pretreatment portion has shell 2, is provided with fluid inlet 21 and fluid issuing 22 on shell 2, and has container cavity in shell 2, is provided with the bubble breaking structure of breaing up bubble in container cavity, and bubble breaking structure is between fluid inlet 21 and fluid issuing 22.Current-sharing portion 6 is communicated with pretreatment portion, and is positioned at pretreatment portion downstream.Pretreatment portion is processed the refrigerant that enters current-sharing portion 6, ensures the uniformity of the refrigerant that enters current-sharing portion 6, and then ensures the current-sharing effect of current-sharing portion 6.Wherein, by bubble breaking structure, the larger gaseous coolant bubble in liquid refrigerants is smashed, refrigerant bubble volume is reduced, less refrigerant bubble is more easily by liquid refrigerants wrapped folder, more be conducive in flow process, be distributed in liquid refrigerants, so just can ensure the uniformity of the refrigerant that enters current-sharing portion 6, and then ensure the current-sharing effect of current-sharing portion 6.
In the present embodiment, pretreatment portion also comprises that fluid inlet tube 1 and fluid go out pipe 5, fluid inlet tube 1 is fixedly installed on shell 2, and be communicated with container cavity by fluid inlet 21, fluid goes out pipe 5 and is fixedly installed on shell 2, and be communicated with container cavity by fluid issuing 22, current-sharing portion 6 is connected to fluid and goes out on pipe 5.Current equalizer is communicated with upstream components by fluid inlet tube 1, ensures that refrigerant flow is unobstructed.Fluid goes out pipe 5 for being communicated with the container cavity of current-sharing portion 6 and shell 2, ensures that refrigerant can enter in current-sharing portion 6 swimmingly.Shell 2, fluid inlet tube 1 and fluid go out pipe 5 and form distributor.
Preferably, more even for what refrigerant bubble was distributed in liquid refrigerants, the caliber of shell 2 is greater than fluid inlet tube 1 caliber.In the time that refrigerant enters the container cavity of shell 2 from fluid inlet tube 1, because caliber becomes large, refrigerant flow rate reduces, and has reduced thus the effect of the gaseous coolant layerings that cause different from liquid refrigerants viscosity, ensures that gaseous coolant is evenly distributed in liquid refrigerants like this.
Preferably, bubble breaking structure is screen pack, and screen pack is fixedly installed in container cavity.Screen pack descended effective as bubble breaking structure, and cost is low.In the present embodiment, be also fixedly installed filter screen bracket 31 in container cavity, screen pack comprises wire side 32 and skeleton 33, and skeleton 33 is fixedly connected with filter screen bracket 31, and wire side 32 is located at outside skeleton 33.Cut air pocket by screen pack, make air pocket be divided into multiple minute bubbles, simple in structure, part is set few, easy to process, and current-sharing is effective.
In the present embodiment, skeleton 33 is spirality, and increases gradually along the sectional area of the flow direction skeleton 33 of fluid, between adjacent two spirals of skeleton 33, has gap.Spirality skeleton can form excellent support to wire side 32, ensures that screen pack can stably work under hydraulic shock, ensures filter screen structure intensity, improves screen pack service life simultaneously.32 one-tenth taper types of wire side, the effectively impulsive force of dispersing liquid, improves service life, optimizes force structure.
Preferably, firm in order to ensure filter screen bracket 31, prevent from moving at hydraulic shock lower filter screen support 31, on shell 2, be also provided with spacing preiection 24, spacing preiection 24 is towards the axis projection of shell 2, spacing preiection 24 lay respectively at filter screen bracket 31 along the two ends on fluid flow direction.
In other embodiments, bubble breaking structure comprises substrate and the passage that runs through substrate, and substrate is fixedly installed in shell 2.Bubble breaking structure can be other structure, as long as can ensure to smash air pocket.
In the present embodiment, current-sharing portion 6 is positioned at pretreatment portion below, and current-sharing portion 6 is current equalizer, and the entrance of current equalizer is communicated with pretreatment portion with fluid issuing 22.
According to a further aspect in the invention, air-conditioner comprises First Heat Exchanger, the second heat exchanger and current equalizer, and current equalizer is connected between First Heat Exchanger and the second heat exchanger, and current equalizer is above-mentioned current equalizer.
In the present embodiment, the fluid inlet 21 of current equalizer is communicated with the outlet of First Heat Exchanger, and the separatory capillary 7 of current-sharing portion is communicated with the entrance of the second heat exchanger, and the fluid inlet 21 of pretreatment portion and fluid issuing 22 are straight down.
Air-conditioning is under refrigeration mode, refrigerant is after electric expansion valve throttling, entered in shell 2 by fluid inlet tube 1, after the interior buffering of shell 2, the screen pack of flowing through, screen pack is broken up air pocket, minute bubbles continue to flow to fluid issuing 22 with liquid coolant, go forward side by side and go out pipe 5 into fluid, finally enter separatory capillary 7 by current-sharing portion 6, carry out heat exchange with the second heat exchanger that enters indoor set.
Preferably, the setting angle of current equalizer requires fluid inlet 21 and fluid issuing 22 straight down.
Gas-liquid two-phase refrigerant after throttling flows to the container cavity into shell 2, because the caliber of shell 2 is greater than the caliber of fluid inlet tube 1, the flow velocity of gas-liquid two-phase refrigerant stream reduces, and under screen pack effect, the air pocket of the gas phase part of gas-liquid two-phase refrigerant stream is divided into minute bubbles, minute bubbles more easily by liquid phase unordered flow sweep along, thereby avoided gas-liquid two-phase in container cavity, to occur layering.Refrigerant does not form obvious continuity main flow area in the flow process of container cavity, owing to having distance between the end of shell 2 and fluid issuing 22, this is apart from having produced cushioning effect, further weaken the centrifugal action forming by flowing to sudden change, just at fluid issuing 22 because flow section reduces suddenly, flow velocity speeds.In the case of fluid go out pipe 5 flow development length less, can ensure evenly to mix before refrigerant enters current divider.
Fluid inlet 21 and fluid issuing 22 are straight down, be current equalizer straight down, can make like this gas-liquid two-phase refrigerant stream after the screen pack of the container cavity of shell 2, under gravity effect, bubble phase is to being distributed in the upside of shell 2, and fluid issuing 22 is at downside, the gas phase refrigerant of fluid issuing 22 surroundings can be sucked uniformly fluid and gone out pipe 5 like this, is conducive to stream uniformity.
Fluid inlet tube 1 and fluid go out pipe 5 caliber all for example, much smaller than the caliber of shell 2: the caliber that fluid inlet tube 1 and fluid go out pipe 5 is φ 9.52mm, and the caliber of shell 2 is φ 25mm.
In traditional structure, refrigerant can produce flow segregation through L-type pipe under centrifugal action.By reducing centrifugal action compared with the shell of the circular cross-section of Large Diameter Pipeline 2, in the time that refrigerant enters container cavity, its flow velocity reduces, and through the buffering of stagnation region, refrigerant can be comparatively even in the flow distribution of fluid issuing 22.
The refrigerant that enters container cavity belongs to gas-liquid two-phase refrigerant stream, and due to gravity and viscous force effect, two-phase refrigerant flows easy layering and gas phase flow velocity is very fast, liquid phase flow rate is slower, easily causes separatory inequality.Increasing gaseous coolant that screen pack can make to enter container cavity is difficult for adhesion and becomes air pocket, and being subject to fluid liquid, minute bubbles sweep along, so more easily make two phase flow fully mix through stagnation region, only have two phase flow fully to mix, just can not form the spot segregation of flow velocity.
In a word, two-phase refrigerant stream fully can be mixed, weakens centrifugal effect by this current equalizer, confirm through experiment, this current equalizer meets performance requirement completely.
From above description, can find out, the above embodiments of the present invention have realized following technique effect: avoided causing the poor phenomenon of properties of product uniformity by current equalizer setting angle deviation by this current equalizer, before can making current equalizer, refrigerant distributes comparatively even, in coupling, get rid of the inhomogeneous impact on separatory capillary pipe length of coolant quantity before current equalizer along separate routes at evaporimeter, can improve development efficiency.Current equalizer can reduce the dependence of evaporimeter heat exchange efficiency for current equalizer setting angle, through experimental verification, current equalizer rotates the impact of performance in 3%, change pipeline or part before this current equalizer, on evaporimeter shunt heat transfer effect, impact reduces, and can improve development efficiency, and screen pack is set in shell, optimize biphase gas and liquid flow fluidised form, do not increasing solving practical problems under pipe component quantity.Distributor with current-sharing effect can effectively ensure the uniformity of properties of product.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a current equalizer, is characterized in that, comprising:
Pretreatment portion, described pretreatment portion has shell (2), on described shell (2), be provided with fluid inlet (21) and fluid issuing (22), and described shell has container cavity in (2), in described container cavity, be provided with the bubble breaking structure of breaing up bubble, described bubble breaking structure is positioned between described fluid inlet (21) and described fluid issuing (22);
Current-sharing portion (6), described current-sharing portion (6) is communicated with described pretreatment portion, and is positioned at described pretreatment portion downstream.
2. current equalizer according to claim 1, it is characterized in that, described pretreatment portion also comprises that fluid inlet tube (1) and fluid go out pipe (5), described fluid inlet tube (1) is fixedly installed on described shell (2), and be communicated with described container cavity by described fluid inlet (21), described fluid goes out pipe (5) and is fixedly installed on described shell (2), and be communicated with described container cavity by described fluid issuing (22), described current-sharing portion (6) is connected to described fluid and goes out on pipe (5).
3. current equalizer according to claim 2, is characterized in that, the caliber of described shell (2) is greater than the caliber of described fluid inlet tube (1).
4. current equalizer according to claim 1, is characterized in that, described bubble breaking structure is screen pack, and described screen pack is fixedly installed in described container cavity.
5. current equalizer according to claim 4, it is characterized in that, in described container cavity, be also fixedly installed filter screen bracket (31), described screen pack comprises wire side (32) and skeleton (33), described skeleton (33) is fixedly connected with described filter screen bracket (31), and described wire side (32) is located at outside described skeleton (33).
6. current equalizer according to claim 5, it is characterized in that, described skeleton (33) is spirality, and increases gradually along the sectional area of skeleton (33) described in the flow direction of fluid, between adjacent two spirals of described skeleton (33), has gap.
7. current equalizer according to claim 1, is characterized in that, described bubble breaking structure comprises substrate and the passage that runs through described substrate, and described substrate is fixedly installed in described shell (2).
8. current equalizer according to claim 5, it is characterized in that, on described shell (2), be also provided with spacing preiection (24), described spacing preiection (24) is towards the axis projection of described shell (2), and described spacing preiection (24) lays respectively at the two ends along described fluid flow direction of described filter screen bracket (31).
9. an air-conditioner, comprise First Heat Exchanger, the second heat exchanger and current equalizer, described current equalizer is connected between described First Heat Exchanger and described the second heat exchanger, it is characterized in that, described current equalizer is the current equalizer described in any one in claim 1 to 8.
10. air-conditioner according to claim 9, it is characterized in that, the fluid inlet (21) of described current equalizer is communicated with the outlet of First Heat Exchanger, the separatory capillary (7) of the current-sharing portion (6) of described current equalizer is communicated with the entrance of described the second heat exchanger, and the fluid inlet (21) of the pretreatment portion of described current equalizer and fluid issuing (22) are straight down.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432656.0A CN104154685A (en) | 2014-08-28 | 2014-08-28 | Flow equalizing device and air conditioner with same |
| PCT/CN2014/095188 WO2016029608A1 (en) | 2014-08-28 | 2014-12-26 | Fluid equalizing device and air conditioner having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432656.0A CN104154685A (en) | 2014-08-28 | 2014-08-28 | Flow equalizing device and air conditioner with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104154685A true CN104154685A (en) | 2014-11-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410432656.0A Pending CN104154685A (en) | 2014-08-28 | 2014-08-28 | Flow equalizing device and air conditioner with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104154685A (en) |
| WO (1) | WO2016029608A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016029608A1 (en) * | 2014-08-28 | 2016-03-03 | 珠海格力电器股份有限公司 | Fluid equalizing device and air conditioner having same |
| CN110645742A (en) * | 2019-09-09 | 2020-01-03 | 珠海格力电器股份有限公司 | Air conditioner shunt and air conditioner |
| CN113310173A (en) * | 2020-02-26 | 2021-08-27 | 青岛海尔空调电子有限公司 | Air cooling unit and control system and control method thereof |
| CN114542555A (en) * | 2022-01-27 | 2022-05-27 | 约克广州空调冷冻设备有限公司 | Current equalizing device and current dividing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945555A (en) * | 2019-04-16 | 2019-06-28 | 青岛海尔空调器有限总公司 | The dispenser of air conditioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2016029608A1 (en) | 2016-03-03 |
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Application publication date: 20141119 |