CN204693905U - Shunt, heat exchanger and air conditioner - Google Patents
Shunt, heat exchanger and air conditioner Download PDFInfo
- Publication number
- CN204693905U CN204693905U CN201520177100.1U CN201520177100U CN204693905U CN 204693905 U CN204693905 U CN 204693905U CN 201520177100 U CN201520177100 U CN 201520177100U CN 204693905 U CN204693905 U CN 204693905U
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- flow
- spiral
- liquid
- heat exchanger
- mixed flow
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- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 38
- 239000012530 fluid Substances 0.000 abstract description 13
- 230000005484 gravity Effects 0.000 abstract description 9
- 239000012071 phase Substances 0.000 description 30
- 239000000203 mixture Substances 0.000 description 16
- 239000003507 refrigerant Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 238000004378 air conditioning Methods 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
本实用新型提供了一种分流器、换热器及空调器。根据本实用新型的分流器，包括进气管和分流头，分流头上设置有多个分流支管，进气管和分流头密封连接并在二者内部形成混流腔，混流腔内部具有混流的螺旋混流装置。本实用新型通过在混流腔内部设置螺旋混流装置，气液两相混合流体在流经螺旋混流装置过程中，能够产生强烈旋转流动，使气液两相混合更均匀；同时，气相、液相流体的在离心力的作用下，能够有效减弱重力对气液两相流体的影响，提高了分流器的分流均匀性和稳定性。
The utility model provides a flow divider, a heat exchanger and an air conditioner. The flow divider according to the utility model includes an air intake pipe and a flow distribution head, and a plurality of flow branch pipes are arranged on the flow distribution head. The air intake pipe and the flow distribution head are sealed and connected to form a mixed flow cavity inside the flow flow chamber. . The utility model arranges a spiral mixed flow device inside the mixed flow chamber, and the gas-liquid two-phase mixed fluid can generate a strong rotating flow when flowing through the spiral mixed flow device, so that the gas-liquid two-phase mixing is more uniform; at the same time, the gas-liquid two-phase fluid Under the action of centrifugal force, it can effectively weaken the influence of gravity on the gas-liquid two-phase fluid, and improve the flow uniformity and stability of the flow divider.
Description
Technical field
The utility model relates to field of air conditioning, in particular to a kind of current divider, heat exchanger and air-conditioner.
Background technology
In current divider, the flow regime of gas-liquid two-phase fluid has material impact to separatory uniformity.Because cold-producing medium is after throttling arrangement, tube refrigerant is gas-liquid mixture, flow than single phase gas or single-phase liquid complicated; Simultaneously under the condition impacts such as gravity, mass dryness fraction, speed, gas-liquid two-phase presents different flow regimes, and the allocation performance of existing current divider technology to biphase gas and liquid flow is poor, mainly there is following problem:
1) poor to gas-liquid two-phase cold-producing medium distributing uniformity, time particularly under convertible frequency air-conditioner, fixed variable parameter operation, part load condition frequently, cause evaporimeter each pipeline heat exchange efficiency difference comparatively large, overall heat exchange efficiency is low;
2), when distributing under less stable, particularly convertible frequency air-conditioner, fixed variable parameter operation, part load condition frequently gas-liquid two-phase cold-producing medium, cause the evaporimeter thermal efficiency unstable, air conditioning capacity and performance inconsistency larger.
3) more responsive to setting angle, when namely setting angle is different, the separatory uniformity of current divider and stability have comparatively significant difference, heat exchanger efficiency and less stable, and heat pump performance fluctuation is larger.
Utility model content
The utility model aims to provide and a kind ofly improves shunting uniformity and the current divider of stability, heat exchanger and air-conditioner.
The utility model provides a kind of current divider, comprises air inlet pipe and shunt head, shunt head is provided with multiple shunt pipe, and air inlet pipe and shunt head are tightly connected and in the two inner formation mixed flow chamber, inside, mixed flow chamber has the spiral flow mixing device of mixed flow.
Further, spiral flow mixing device is conveyor screw, and conveyor screw is arranged in mixed flow chamber; Spirochetal outer peripheral face is provided with spiral mixed flow groove, the axis of spiral mixed flow groove extends along the airintake direction of air inlet pipe.
Further, conveyor screw is provided with flow-guiding structure towards the end of air inlet pipe.
Further, spiral flow mixing device is the spiral mixed flow groove be arranged on air inlet pipe and/or shunt head inner peripheral surface, and the axis of spiral mixed flow groove extends along the airintake direction of air inlet pipe.
Further, spiral mixed flow groove is multi-head spiral groove.
Further, the lead angle of spiral mixed flow groove is α, wherein 10 °≤α≤45 °.
Further, spirochetal grooved section amasss as A, and the volume flow of current divider is Q, wherein, and 5m/s<Q/A<15m/s.
Further, diffluence room is formed between the spirochetal end towards shunt pipe and the arrival end of shunt pipe.
Further, the length of diffluence room is L, and the diameter in mixed flow chamber is D, wherein, and 1/2D<L<2D.
Further, inlet plenum is formed between the spirochetal end towards air inlet pipe and the port of export of air inlet pipe.
The utility model additionally provides a kind of heat exchanger, comprises aforesaid current divider.
The utility model additionally provides a kind of air-conditioner, comprises aforesaid heat exchanger.
According to current divider of the present utility model, heat exchanger and air-conditioner, by arranging spiral flow mixing device in inside, mixed flow chamber, gas-liquid two-phase fluid-mixing, flowing through in spiral flow mixing device process, can produce strong rotational flow, make gas-liquid two-phase mix evenly; Meanwhile, gas phase, liquid phase fluid under the influence of centrifugal force, effectively can weaken the impact of gravity on gas-liquid two-phase fluid, improve shunting uniformity and the stability of current divider.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the decomposition texture schematic diagram according to current divider of the present utility model;
Fig. 2 is the axial sectional structure schematic diagram according to current divider of the present utility model;
Fig. 3 looks up structural representation according to current divider of the present utility model;
Fig. 4 a is the perspective view according to spirochetal first embodiment of the present utility model;
Fig. 4 b is the main TV structure schematic diagram according to spirochetal first embodiment of the present utility model;
Fig. 5 a is the perspective view according to spirochetal second embodiment of the present utility model;
Fig. 5 b is the main TV structure schematic diagram according to spirochetal second embodiment of the present utility model.
Description of reference numerals:
10, air inlet pipe; 11, inlet plenum; 20, conveyor screw; 21, spiral mixed flow groove; 30, shunt head; 31, diffluence room; 32, shunt pipe.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figures 1 to 3, according to current divider of the present utility model, comprise air inlet pipe 10 and shunt head 30, shunt head 30 is provided with multiple shunt pipe 32, air inlet pipe 10 and shunt head 30 are tightly connected and in the two inner formation mixed flow chamber, inside, mixed flow chamber has the spiral flow mixing device of mixed flow.The utility model is by arranging spiral flow mixing device in inside, mixed flow chamber, and gas-liquid two-phase fluid-mixing, flowing through in spiral flow mixing device process, can produce strong rotational flow, make gas-liquid two-phase mix evenly; Meanwhile, gas phase, liquid phase fluid under the influence of centrifugal force, effectively can weaken the impact of gravity on gas-liquid two-phase fluid, improve shunting uniformity and the stability of current divider.
Shown in composition graphs 1 to 3, in the first embodiment of the present utility model, spiral flow mixing device is conveyor screw 20, conveyor screw 20 is arranged in mixed flow chamber, and making conveyor screw 20 form inlet plenum 11 towards between one end and air inlet pipe 10 of air inlet pipe 10, conveyor screw 20 forms diffluence room 31 towards between one end and shunt head 30 of shunt head 30.The outer peripheral face of conveyor screw 20 is provided with spiral mixed flow groove 21, the axis direction of spiral mixed flow groove 21 is along the airintake direction of air inlet pipe 10.In a first embodiment, conveyor screw 20 assembly technology is simple, does not need welding, can with air inlet pipe 10 and shunt head 30 matched in clearance, interference fit, interference fits etc.
Shown in composition graphs 2, the distance between the bottom of conveyor screw 20 and the arrival end of shunt pipe 32 is L, and the diameter in mixed flow chamber is D, and namely the diameter of diffluence room 31 is D, and length is L.Preferably, 1/2D<L<2D, diffluence room 31 in the vertical direction has sufficient space, to make from spiral mixed flow groove 21 gas phase of ejection, liquid phase fluid fully can mix in diffluence room 31, ensure mixture homogeneity.
According to different needs, the flute profile of spiral mixed flow groove 21 can be rectangle, also can be arc, certainly, as required, can also be set to other shapes, as wedge shape, trapezoidal etc.In figs. 4 a and 4b, the flute profile of spiral mixed flow groove 21 is arc, in figs. 5 a and 5b, and the rectangle of spiral mixed flow groove 21.According to different needs, spiral mixed flow groove 21 can be right hand helix groove, also can be left-turn spiral groove.
Preferably, spiral mixed flow groove 21 can be multi-head spiral groove, be set to multi-head spiral groove, multiple spiral flow circulation passage can be formed, thus further improve mixed flow effect, make gas-liquid two-phase circulate mixing evenly, in certain degree, be set to multi-head spiral groove, can also circulation area be increased.
Shown in composition graphs 4a, 4b and Fig. 5 a, 5b, the angle of the lead angle α of spiral mixed flow groove 21 is less, and eddy flow effect is better, but to a certain extent, lead angle α is too small, and flow velocity can be caused to reduce, and pressure drop increases.Consider eddy flow effect and flow velocity, lead angle α preferably scope is 10 °≤α≤45 °.
Composition graphs 1 to 5b illustrates the operation principle of the current divider of the first embodiment of the present utility model:
Cold-producing medium in system is after throttling arrangement, tube refrigerant becomes gas-liquid two-phase admixture, gas-liquid two-phase mix refrigerant enters inlet plenum 11 by air inlet pipe 10, again by spiral mixed flow groove 21, fluid is made to produce rotational flow, in order to reduce the impact of fluid to conveyor screw 20, at conveyor screw 20, the end of air inlet pipe 10 can be provided with flow-guiding structure, namely by flow-guiding structure, the cold-producing medium entering inlet plenum 11 from air inlet pipe 10 being imported in spiral mixed flow groove 21.Flow-guiding structure can be set to the structure that deflection cone, guide curve surface, water conservancy diversion inclined-plane etc. can reduce to impact.
Gas-liquid two-phase mix refrigerant produces rotational flow through spiral mixed flow groove 21, strengthen the centrifugal action of gas phase, liquid phase, weaken the impact of gravity on gas-liquid two-phase mix refrigerant, make gas-liquid two-phase centrifugal action issue estranged from, liquid refrigerant is separated to excircle.Rotating gas-liquid two-phase mixtures cold-producing medium enters diffluence room 31, and continue under centrifugal action, liquid refrigerant is evenly separated to peripheral wall surface, thus reduces gas-liquid lamination.Then gas-liquid two-phase mix refrigerant enters multithread road evaporimeter through each shunt pipe 32.Current divider of the present utility model, owing to strengthening centrifugal action, reduces the impact of gravity on biphase gas and liquid flow, decreases the lamination of gas-liquid two-phase mix refrigerant bottom diffluence room 31, thus improves shunting uniformity and the stability of current divider.
The strong eddy flow that current divider of the present utility model produces, reduce the impact of gravity on biphase gas and liquid flow, avoid refrigerant liquid drop in enter diffluence room 31 after due to flow velocity reduce and there is sedimentation, reduce liquid accumulation in diffluence room 31 bottom wall and cause shunting uneven.Make current divider of the present utility model solve the uneven technical problem of existing conventional shunt device shunting, reach the effect improving shunting uniformity.
The strong eddy flow that current divider of the present utility model produces, because centrifugal action mainly affects by circumference tangential velocity.For current divider of the present utility model, according to velocity magnitude=volume flow/circulation area, system bulk flow is larger, the grooved section of conveyor screw 20 is long-pending less, then speed is larger; The lead angle of conveyor screw 20 is less, and tangential speed component is larger, and eddy flow is stronger and centrifugal action is larger, and gravitate is more weak.Thus affect less by current divider or heat exchanger or air-conditioning setting angle, reduce the impact of gravity on biphase gas and liquid flow.Preferably, consider conveyor screw 20 flow velocity, pressure drop, the grooved section of conveyor screw 20 amasss A (unit: m
2), the volume flow of current divider is Q (unit: m
3/ s), enable Q/A meet scope 5m/s<Q/A<15m/s and effectively avoid larger pressure drop, ensure flow velocity and centrifugal force, make current divider of the present utility model solve the unstable technical problem of existing conventional shunt device shunting, reach the effect improving shunting stability.
In sum, current divider of the present utility model improves shunting uniformity and stability, improves the overall heat exchange efficiency of heat exchanger generally; Reduce the fluctuation of heat exchanger heat exchange efficiency comparatively large, air conditioning capacity and performance inconsistency compared with problem.Time particularly under convertible frequency air-conditioner, fixed variable parameter operation, part load condition frequently, distributing uniformity and the stability of current divider have better effects; And the allocation performance of current divider changes at setting angle, distributing uniformity and stability better.
In the second embodiment of the present utility model, spiral flow mixing device also can for being arranged on the spiral mixed flow groove 21 on air inlet pipe 10 and/or shunt head 30 inner peripheral surface, the axis direction of spiral mixed flow groove 21 is along the airintake direction of air inlet pipe 10, namely on the inner peripheral surface of air inlet pipe 10 and/or shunt head 30, spiral mixed flow groove 21 is directly processed, the effect making gas-liquid two-phase circulation produce strong eddy flow can be reached equally, thus improve shunting uniformity and stability.In a second embodiment, setting and first embodiment of spiral mixed flow groove 21 are similar, repeat no more.
The utility model additionally provides a kind of heat exchanger, comprises aforesaid current divider, by improving shunting uniformity and stability, effectively can improve the overall heat exchange efficiency of heat exchanger.
The utility model additionally provides a kind of air-conditioner, comprises aforesaid heat exchanger, by improving the overall heat exchange efficiency of heat exchanger, effectively can improve the efficiency of air-conditioner.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
According to current divider of the present utility model, heat exchanger and air-conditioner, by arranging spiral flow mixing device in inside, mixed flow chamber, gas-liquid two-phase fluid-mixing, flowing through in spiral flow mixing device process, can produce strong rotational flow, make gas-liquid two-phase mix evenly; Meanwhile, gas phase, liquid phase fluid under the influence of centrifugal force, effectively can weaken the impact of gravity on gas-liquid two-phase fluid, improve shunting uniformity and the stability of current divider.Improve the overall heat exchange efficiency of heat exchanger; Reduce the fluctuation of heat exchanger heat exchange efficiency comparatively large, air conditioning capacity and the larger problem of performance inconsistency.Time particularly under convertible frequency air-conditioner, fixed variable parameter operation, part load condition frequently, distributing uniformity and the stability of current divider have better effects; And the allocation performance of current divider changes at setting angle, distributing uniformity and stability better.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (12)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520177100.1U CN204693905U (en) | 2015-03-26 | 2015-03-26 | Shunt, heat exchanger and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520177100.1U CN204693905U (en) | 2015-03-26 | 2015-03-26 | Shunt, heat exchanger and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204693905U true CN204693905U (en) | 2015-10-07 |
Family
ID=54234186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520177100.1U Expired - Lifetime CN204693905U (en) | 2015-03-26 | 2015-03-26 | Shunt, heat exchanger and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204693905U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776654A (en) * | 2015-03-26 | 2015-07-15 | 珠海格力电器股份有限公司 | Shunt, heat exchanger and air conditioner |
| CN105783349A (en) * | 2016-03-25 | 2016-07-20 | 青岛海尔空调器有限总公司 | Refrigerant pipeline distributor |
| 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 |
| WO2023040442A1 (en) * | 2021-09-20 | 2023-03-23 | 青岛海尔空调器有限总公司 | Liquid separator, check valve, heat exchanger, refrigeration cycle system, and air conditioner |
| WO2023040440A1 (en) * | 2021-09-19 | 2023-03-23 | 青岛海尔空调器有限总公司 | Liquid distributor, one-way valve, heat exchanger, refrigeration circulating system, and air conditioner |
-
2015
- 2015-03-26 CN CN201520177100.1U patent/CN204693905U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776654A (en) * | 2015-03-26 | 2015-07-15 | 珠海格力电器股份有限公司 | Shunt, heat exchanger and air conditioner |
| CN104776654B (en) * | 2015-03-26 | 2018-04-13 | 珠海格力电器股份有限公司 | Shunt, heat exchanger and air conditioner |
| CN105783349A (en) * | 2016-03-25 | 2016-07-20 | 青岛海尔空调器有限总公司 | Refrigerant pipeline distributor |
| 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 |
| WO2023040440A1 (en) * | 2021-09-19 | 2023-03-23 | 青岛海尔空调器有限总公司 | Liquid distributor, one-way valve, heat exchanger, refrigeration circulating system, and air conditioner |
| WO2023040442A1 (en) * | 2021-09-20 | 2023-03-23 | 青岛海尔空调器有限总公司 | Liquid separator, check valve, heat exchanger, refrigeration cycle system, and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20151007 |