CN108007023B - Throttle shunt and air conditioner - Google Patents

Throttle shunt and air conditioner Download PDF

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Publication number
CN108007023B
CN108007023B CN201711408819.1A CN201711408819A CN108007023B CN 108007023 B CN108007023 B CN 108007023B CN 201711408819 A CN201711408819 A CN 201711408819A CN 108007023 B CN108007023 B CN 108007023B
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Prior art keywords
throttling
throttle
shunt
sliding cavity
pipe
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CN108007023A (en
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李啸宇
彭光前
吴俊鸿
于博
车雯
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • 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
    • F25B41/40Fluid line arrangements
    • 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
    • F25B41/30Expansion means; Dispositions thereof
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention provides a throttle diverter and an air conditioner, wherein the throttle diverter comprises: a throttle unit (100) for throttling the refrigerant; a flow dividing part (200) for dividing or converging the refrigerant; the throttle unit (100) and the flow dividing unit (200) are integrally configured and provided in an air conditioning indoor unit. The invention can realize the lag throttling of the air conditioner with the throttling shunt in the refrigerating process, avoid the refrigerant after throttling to absorb excessive ineffective heat in the pipeline, reduce the energy loss of the pipeline, provide the refrigerating efficiency of the air conditioner, throttle in advance in the heating process, and help to improve the heat absorption capacity of the system due to the heat absorption process of the pipeline after throttling.

Description

Throttle shunt and air conditioner
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to a throttling shunt and an air conditioner.
Background
The throttling device is one of main components of the air conditioning system and can play a role in throttling and reducing pressure on the refrigerant. In the refrigerating process, the refrigerant enters the indoor heat exchanger through the small pipe to complete the heat absorption process, and then enters the heat exchanger of the external machine through the large pipe to dissipate heat; in the heating process, the refrigerant enters the heat exchanger of the inner machine through the big pipe to dissipate heat, and then enters the heat exchanger of the outer machine through the small pipe to absorb heat.
The existing throttling device is welded in an outer machine, the current divider is welded in an inner machine, the current divider and the current divider are respectively independent components and parts and are connected in a system, the number of welding spots is large, the working procedures are more, and the manufacturing cost is high. In the refrigeration process, the throttled refrigerant needs to reach the evaporator through a longer connecting pipe, and ineffective heat can be absorbed during the period, so that the air conditioning efficiency is affected.
In the prior art, in the refrigerating process of the air conditioner, the throttled refrigerant needs to reach the evaporator through a longer connecting pipe, and the technical problem that the efficiency of the air conditioner is affected due to the fact that invalid heat is absorbed in the period exists, so that the invention designs the throttle diverter and the air conditioner.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the efficiency of the air conditioner is affected by the fact that the refrigerant after throttling needs to reach the evaporator through a longer connecting pipe in the refrigerating process of the air conditioner in the prior art and invalid heat is absorbed in the period, so that the throttling shunt and the air conditioner are provided.
The present invention provides a throttle diverter comprising:
a throttling part for throttling the refrigerant;
the flow dividing part is used for dividing or converging the refrigerant;
the throttling part and the flow dividing part are of an integrated structure and are arranged in the air conditioner indoor unit.
Preferably, the method comprises the steps of,
the throttling part comprises a throttling inner core and a sliding cavity, the throttling inner core is arranged in the sliding cavity and can slide in the sliding cavity, and throttling micropores are formed in the throttling inner core in a penetrating mode along the axial direction of the throttling inner core.
Preferably, the method comprises the steps of,
one end face of the throttling inner core is a first plane, and one inner end face of the sliding cavity is a second plane matched with the first plane; the other end face of the throttling inner core is a first cambered surface, and the other inner end face of the sliding cavity is a second cambered surface matched with the first cambered surface.
Preferably, the method comprises the steps of,
the outer peripheral wall of the throttling inner core is provided with a guide rail, and the inner peripheral wall of the sliding cavity is correspondingly provided with a guide groove along the axial direction, and the guide rail can be embedded into the guide groove and slide along the guide groove.
Preferably, the method comprises the steps of,
the guide groove is formed in the inner peripheral wall of the sliding cavity in the axial direction of the sliding cavity in a whole or in a part.
Preferably, the method comprises the steps of,
the sliding cavity is also provided with a diversion hole which can allow the refrigerant to flow through the throttling part except the part in the throttling micropore.
Preferably, the method comprises the steps of,
the shunt part comprises a main flow pipe and a shunt pipe, the shunt pipe comprises more than two shunt holes, and the main flow pipe is communicated with the shunt pipe.
Preferably, the method comprises the steps of,
the throttle part is arranged in the main flow pipe:
the sliding cavity is of a cylindrical structure and is attached to the inner wall of the main flow pipe; or the sliding cavity is of a stepped section cylindrical structure and comprises a large-diameter section and a small-diameter section, and the large-diameter section is attached to the inner wall of the main flow pipe.
Preferably, the method comprises the steps of,
when a deflector aperture is included:
when the sliding cavity is of a cylindrical structure, the flow guide hole is arranged at one end of the sliding cavity and penetrates through the sliding cavity along the axial direction; or when the sliding cavity is of a stepped section cylindrical structure, the flow guide hole is arranged on the small-diameter section of the sliding cavity, is formed in the radial direction and penetrates through the inner wall and the outer wall of the small-diameter section.
Preferably, the method comprises the steps of,
the throttling shunt further comprises a front filter screen and/or a rear filter screen, wherein the front filter screen is arranged in the main flow pipe and is positioned at one end of the throttling part and one side far away from the shunt pipe; the rear filter screen is arranged in the main flow pipe and is positioned at the position where the main flow pipe is connected with the shunt pipe.
Preferably, the method comprises the steps of,
the inner wall of the main flow pipe is also provided with a first stepped shaft which can be used for fixing the rear filter screen, and the inner wall of the main flow pipe is also provided with a second stepped shaft which can be used for fixing the throttling part; the throttling shunt further comprises an external connection pipe, and the external connection pipe is connected and communicated with one end, far away from the shunt pipe, of the main flow pipe.
Preferably, the method comprises the steps of,
the throttling shunt further comprises a silencing device arranged on the periphery of the main flow pipe and/or the shunt pipe.
The invention also provides an air conditioner, which comprises an indoor unit and an outdoor unit, wherein the air conditioner comprises the throttling shunt according to any one of the previous claims, and the throttling shunt is arranged inside the indoor unit.
The throttling shunt and the air conditioner provided by the invention have the following beneficial effects:
1. according to the throttling shunt and the air conditioner, the throttling part and the shunt part are arranged into the integrated structure and are arranged in the air conditioner indoor unit, so that the air conditioner with the throttling shunt can realize lagging throttling in the refrigerating process, excessive invalid heat is prevented from being absorbed by a throttled refrigerant in a pipeline, the energy loss of the pipeline is reduced, the refrigerating efficiency of the air conditioner is improved, throttling is advanced in the heating process, and the heat absorption of a system is improved due to the heat absorption process of the pipeline after throttling. The improvement mode not only can improve the performance of the air conditioner and save the cost, but also can save the internal space of the external machine;
2. the throttle diverter and the air conditioner provided by the invention combine the throttle device with the diverter for use, are arranged on the heat exchanger of the internal machine to achieve the dual purposes of throttling and diverting, solve the defect of multiple and high cost of the split structure procedures in the prior art, and prevent the occurrence of the condition that excessive pipeline energy loss exists on a pipeline after outdoor throttling in the refrigeration process.
Drawings
FIG. 1 is a schematic view of an exploded construction of embodiment 1 of the flow restrictor of the present invention;
FIG. 2 is a side elevational view of the throttle core of FIG. 1;
FIG. 3 is a schematic view of the structure of section A-A of FIG. 2;
FIG. 4 is a schematic view of the structure of section B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view of the throttle section of embodiment 1 of the present invention along the section A-A;
FIG. 6 is an enlarged schematic view of the throttle portion of FIG. 4;
FIG. 7 is a schematic view of the structure of embodiment 2 of the flow restrictor of the present invention taken along section A-A;
FIG. 8 is a schematic view of the structure of embodiment 2 of the flow restrictor of the present invention taken along section B-B;
FIG. 9 is an enlarged schematic view of the throttle portion of FIG. 8;
FIG. 10 is a schematic view of the structure of embodiment 3 of the flow restrictor of the present invention taken along section A-A;
FIG. 11 is an enlarged schematic view of the throttle section portion of embodiment 3 of the throttle diverter of the present invention taken along section B-B;
fig. 12 is a schematic perspective view of a flow dividing portion of the flow dividing device of the present invention.
The reference numerals in the drawings are as follows:
100. a throttle unit; 200. a split flow section; 1. a shunt; 2. a sliding cavity; 3. a throttle core; 4. an outer connecting pipe; 5. a rear filter screen; 6. a front filter screen; 7. throttling the micropores; 8. a chamber; 9. a deflector aperture; 10. a diversion aperture; 11. a main flow tube; 12. a guide groove; 13. and a guide rail.
Detailed Description
Example 1
Referring to fig. 1-6, the present invention provides a flow restrictor comprising:
a throttle unit 100 for throttling the refrigerant;
a flow dividing portion 200 for dividing or converging the refrigerant;
the throttle unit 100 and the flow dividing unit 200 are integrally formed and provided in the air conditioning indoor unit.
Through setting up throttle part and reposition of redundant personnel portion as an organic whole structure, and set up in the air conditioning indoor unit, can make the air conditioner that has this throttle reposition of redundant personnel ware realize lagging throttle in the refrigeration process, avoid the refrigerant after the throttle to inhale too much invalid heat in the pipeline, reduce pipeline energy loss, provide air conditioner refrigeration efficiency, in the heating process, throttle in advance, because the heat absorption process of pipeline helps improving the heat absorption capacity of system after the throttle. The improvement mode not only can improve the performance of the air conditioner and save the cost, but also can save the internal space of the external machine; the throttle device is combined with the flow divider to be installed on the heat exchanger of the internal machine to achieve the dual purposes of throttle and flow division, thereby solving the defects of multiple and high cost of split structure procedures in the prior art and preventing the occurrence of the condition that excessive pipeline energy loss exists on a pipeline after the outdoor throttle in the refrigeration process.
Preferably, the method comprises the steps of,
the throttle part 100 comprises a throttle inner core 3 and a sliding cavity 2, wherein the throttle inner core 3 is arranged inside the sliding cavity 2 and can slide inside the sliding cavity 2, and throttle micropores 7 are formed inside the throttle inner core 3 in a penetrating manner along the axial direction of the throttle inner core.
The throttle part is a preferable specific structural form of the throttle part, and the refrigerant flowing through the throttle part can enter throttle micropores and is throttled and depressurized through the left and right sliding of the throttle inner core arranged in the sliding cavity, wherein the flow direction of the refrigerant determines the sliding direction of the throttle inner core 3, so that the requirements of refrigeration and heating on throttling are met. Further preferably, as shown in fig. 5, the throttle state is a heating mode, the throttle effect is maximum (because the refrigerant can only flow through the throttle micropores 7 of the throttle core), and the throttle effect is adjusted to the maximum if enough indoor temperature is to be ensured because the indoor and outdoor temperature difference is large during heating; as shown in fig. 6, the air conditioner is in a throttling state in a refrigeration mode, at the moment, the throttling effect is minimum (because the refrigerant can flow through the throttling micropores 7 of the throttling inner core and can also flow through the diversion holes 9 at the left end), and the indoor and outdoor temperature difference is small during heating, so that enough indoor temperature is ensured, and the requirement can be met by only regulating the throttling effect to the minimum; therefore, the adjustment of the throttle expansion opening degree can be realized through the sliding of the throttle inner core.
Preferably, the method comprises the steps of,
one end face of the throttling inner core 3 is a first plane, and one inner end face of the sliding cavity 2 is a second plane matched with the first plane; the other end face of the throttling inner core 3 is a first cambered surface, and the other inner end face of the sliding cavity 2 is a second cambered surface matched with the first cambered surface. The throttle inner core and the sliding cavity are in specific structural shapes, and a gap between the throttle inner core and the sliding cavity can be formed, so that a refrigerant can flow through the gap and then flow out through the diversion hole. The two end surfaces of the throttling inner core 3 are respectively a plane and an arc surface, and the end surface of the cavity 8 in the sliding cavity 2 is respectively a plane and an arc surface, which correspond to the end surface of the throttling inner core 3.
Preferably, the method comprises the steps of,
the outer peripheral wall of the throttle core 3 is provided with a guide rail 13, and correspondingly, the inner peripheral wall of the sliding cavity 2 is also provided with a guide groove 12 along the axial direction, and the guide rail 13 can be embedded into the guide groove 12 and slide along the guide groove 12. Through the setting of mutual matching of guide rail and guide slot, can make the throttle inner core carry out the slip effect in the inside cavity of smooth cavity to produce the change regulation to throttle aperture size.
The throttling inner core 3 is matched with the guide groove 12 of the sliding cavity 2 through the guide rail 13 on the surface of the throttling inner core 3, the throttling inner core 3 slides in the sliding cavity 2 under the pushing of the pressure of the refrigerant, and the sliding direction of the throttling inner core 3 is determined by the flow direction of the refrigerant, so that the requirement of refrigeration and heating on throttling is met.
The guide rail 13 of the throttle core 3 is matched with the guide groove 12 of the sliding cavity 2 to guide and position the throttle core 13. A gap is reserved between the throttling inner core 3 and the inner wall of the sliding cavity 2, so that the control of refrigerant throttling is realized. The guide rail 13 and the guide groove 12 are not limited to one pair, and may be plural pairs.
Preferably, the method comprises the steps of,
the guide groove 12 is formed on the inner peripheral wall of the sliding cavity 2 along the axial direction of the sliding cavity 2. This is a preferred way of opening the guide slot in embodiment 1 of the present invention, as shown in fig. 6, which is opened in all the left and right directions of the sliding cavity, so that the throttle core can slide from the left end to the right end of the sliding cavity in the left and right directions, that is, the second plane can be attached to the first plane at the end face position of the first plane.
Preferably, the method comprises the steps of,
the sliding chamber 2 is further provided with a flow guiding hole 9 which can allow the refrigerant to flow through the throttle 100 without passing through the throttle micro holes 7. By arranging the flow guide holes, the flow guide holes can play a role in the flow guide flow direction of the refrigerant, and mainly the refrigerant does not flow through the flow guide holes, so that the refrigerant is not throttled when flowing through the flow guide holes, the throttle degree of the throttle part is controlled, if the throttle degree is large, namely the throttle opening degree is large, the refrigerant flows through the flow guide holes at the maximum flow rate and does not flow through the flow guide holes, and if the throttle degree is small, namely the throttle opening degree is small, the refrigerant flows through the flow guide holes at the minimum flow rate and flows through the flow guide holes at the small flow rate.
Preferably, the method comprises the steps of,
the shunt part 200 comprises a main flow pipe 11 and a shunt pipe 1, the shunt pipe 1 comprises more than two shunt holes 10, and the main flow pipe 11 is communicated with the shunt pipe 1. This is a preferred specific configuration of the flow dividing portion of the present invention, and can function as a flow dividing and converging function for the refrigerant.
Preferably, the method comprises the steps of,
the throttle 100 is provided inside the main flow pipe 11:
the sliding cavity 2 is of a cylindrical structure and is attached to the inner wall of the main flow pipe 11; this is a mode of engagement between the throttle portion and the flow dividing portion and a specific structure of the slide chamber according to embodiment 1 of the present invention, and the refrigerant can flow through the slide chamber when flowing through the main flow pipe provided with the throttle portion, thereby generating a throttle effect.
Preferably, the method comprises the steps of,
when the deflector hole 9 is included:
and when the sliding cavity 2 is of a cylindrical structure, the flow guide hole 9 is arranged at one end of the sliding cavity (2) and is formed by penetrating in the axial direction.
This is a preferred opening position and opening manner of the diversion hole of embodiment 1 of the present invention, as shown in fig. 5 and 6, capable of generating a diversion effect on the refrigerant, so that the refrigerant directly flows into the diversion hole without flowing through the throttling micropores, and further generating a control effect on the throttling effect of the refrigerant. The number of the diversion holes 9 is not limited to one pair, but may be multiple pairs, and the diversion holes in pairs are located in symmetrical positions to ensure the uniformity of diversion.
Preferably, the method comprises the steps of,
the throttling shunt further comprises a front filter screen 6 and/or a rear filter screen 5, wherein the front filter screen 6 is arranged inside the main flow pipe 11 and is positioned at one end of the throttling part and at one side far away from the shunt pipe 1; the rear filter screen 5 is arranged inside the main flow pipe 11 and is positioned at the position where the main flow pipe 11 is connected with the shunt pipe 1. The filter screen can filter the refrigerant through the front and back filter screen that sets up.
Preferably, the method comprises the steps of,
the inner wall of the main flow pipe 11 is also provided with a first stepped shaft which can be used for fixing the rear filter screen 5, and the inner wall of the main flow pipe 11 is also provided with a second stepped shaft which can be used for fixing the throttling part 100; the throttling shunt also comprises an external connection pipe 4, and the external connection pipe 4 is connected and communicated with one end of the main flow pipe 11, which is far away from the shunt pipe 1. The inner wall of the main flow hole 11 of the flow divider is provided with a stepped shaft, and the rear filter screen 5 and the sliding cavity 2 are limited by the stepped shaft. The external connecting pipe 4 is welded with the shunt 1 to play a role in compacting the front filter screen 6 and the sliding cavity.
Preferably, the method comprises the steps of,
the throttling shunt further comprises a silencing device arranged on the periphery of the main flow pipe 11 and/or the shunt pipe 1. The silencing device is arranged to perform silencing and noise reduction effects on the throttle diverter.
As shown in example 1 of fig. 3-6:
in the refrigerating process, the refrigerant enters from the direction of the main flow hole 11, and enters the cavity 8 of the sliding cavity 2 after being filtered by the front filter screen 6, wherein the throttle inner core 3 moves towards the direction of the rear filter screen 5 under the pushing of the pressure of the refrigerant until the flat end surface of the throttle inner core end 3 clings to the flat end surface of the cavity 8 (as shown in fig. 2). Part of the refrigerant in the chamber 8 is throttled and depressurized through the throttling micropore 7, and the other part of the refrigerant flows out through the gap between the throttling inner core 3 and the sliding cavity 2 and the diversion hole 9.
In the heating process, the refrigerant enters from the direction of the flow dividing hole 10, and enters into the cavity 8 of the sliding cavity after being filtered by the rear filter screen 5, wherein the throttle inner core 3 moves towards the direction of the front filter screen 6 under the pushing of the pressure of the refrigerant until the arc end face of the throttle inner core end 3 clings to the arc end face of the cavity 8 (as shown in fig. 4). The refrigerant in the chamber 8 can only flow out through the throttle micro holes 7.
In the air conditioning system adopting the novel throttling shunt, during the refrigeration process, the throttling is delayed, and the throttled refrigerant is prevented from absorbing invalid heat in a pipeline; in the heating process, the throttle is advanced, and the heat absorption process of the pipeline is helpful for improving the heat absorption capacity of the system after the throttle.
Example 2
As shown in fig. 7-9, example 2: in this embodiment, on the basis of embodiment 1, the opening manner of the guide rail is changed and replaced, the guide groove 12 is formed on the inner peripheral wall of the sliding cavity 2 along the axial portion of the sliding cavity 2, after being positioned by the guide groove of the guide rail, the flat end surface of the throttle core 3 is kept at a certain distance from the flat end surface of the cavity 8, and no guide hole 9 is provided. As shown in fig. 9.
Example 3
As shown in fig. 10-11, example 3: the embodiment changes and replaces the structural mode of the sliding cavity on the basis of embodiment 1, the sliding cavity 2 is of a stepped section cylindrical structure and comprises a large-diameter section and a small-diameter section, and the large-diameter section is attached to the inner wall of the main flow pipe 11. Or when the sliding cavity 2 is of a stepped section cylindrical structure, the flow guide hole 9 is arranged on the small-diameter section of the sliding cavity 2, is formed in the radial direction, and penetrates through the inner wall and the outer wall of the small-diameter section.
The position of the deflector hole 9 is different from that of the embodiment 1 and is on the wall surface of the chamber 8. The number of the deflector holes is not limited to one pair, and may be plural pairs.
The throttling inner core 3 is attached to the inner wall of the cavity 8 of the sliding cavity 2, and no gap exists.
A gap is formed between the outer wall of the sliding cavity 2 and the flow divider 1, the refrigerant flowing through the diversion hole 9 in the refrigerating process flows out of the throttling device through the gap, the diversion hole 9 is blocked by the throttling inner core 3 in the heating process, and the refrigerant can only flow out through the throttling micropores 7.
The invention also provides an air conditioner, which comprises an indoor unit and an outdoor unit, wherein the air conditioner comprises the throttling shunt according to any one of the previous claims, and the throttling shunt is arranged inside the indoor unit. The novel throttling shunt is connected with a pipeline at the refrigerant inlet of the heat exchanger of the internal machine in a welding mode, and plays a role in throttling and shunting. Through including foretell throttle shunt, and set up in indoor set inside, can make the air conditioner that has this throttle shunt realize lagging throttle in the refrigeration process, avoid the refrigerant after the throttle to inhale too much invalid heat in the pipeline, in the heating process, throttle in advance, because the heat absorption process of pipeline helps improving the heat absorption of system after the throttle. The improvement mode not only can improve the performance of the air conditioner and save the cost, but also can save the internal space of the external machine; the throttle device is combined with the flow divider to be installed on the heat exchanger of the internal machine to achieve the dual purposes of throttle and flow division, thereby solving the defects of multiple and high cost of split structure procedures in the prior art and preventing the occurrence of the condition that excessive pipeline energy loss exists on a pipeline after the outdoor throttle in the refrigeration process.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (5)

1. A flow restrictor, characterized by: comprising the following steps:
a throttle unit (100) for throttling the refrigerant;
a flow dividing part (200) for dividing or converging the refrigerant;
the throttling part (100) and the flow dividing part (200) are of an integrated structure and are arranged in the air conditioner indoor unit;
the throttling part (100) comprises a throttling inner core (3) and a sliding cavity (2), the throttling inner core (3) is arranged inside the sliding cavity (2) and can slide inside the sliding cavity (2), and throttling micropores (7) are formed inside the throttling inner core (3) in a penetrating manner along the axial direction of the throttling inner core;
one end face of the throttling inner core (3) is a first plane, and one inner end face of the sliding cavity (2) is a second plane matched with the first plane; the other end face of the throttling inner core (3) is a first cambered surface, and the other inner end face of the sliding cavity (2) is a second cambered surface matched with the first cambered surface;
a guide rail (13) is arranged on the outer peripheral wall of the throttling inner core (3), a guide groove (12) is correspondingly arranged on the inner peripheral wall of the sliding cavity (2) along the axial direction, and the guide rail (13) can be embedded into the guide groove (12) and slide along the guide groove (12); the guide groove (12) is formed in the inner peripheral wall of the sliding cavity (2) along the axial direction of the sliding cavity (2) completely or partially; a diversion hole (9) is also formed in the sliding cavity (2), and the diversion hole (9) can also allow the refrigerant to flow through the throttling part (100);
the shunt part (200) comprises a main flow pipe (11) and a shunt pipe (1), the shunt pipe (1) comprises more than two shunt holes (10), and the main flow pipe (11) is communicated with the shunt pipe (1); the throttle section (100) is provided inside the main flow pipe (11): the sliding cavity (2) is of a stepped section cylindrical structure and comprises a large-diameter section and a small-diameter section, and the large-diameter section is connected with the inner wall of the main flow pipe (11) in a fitting manner; the flow guide hole (9) is arranged on the small-diameter section of the sliding cavity (2) and is formed in the radial direction and penetrates through the inner wall and the outer wall of the small-diameter section.
2. The throttle diverter of claim 1, wherein:
the throttling shunt further comprises a front filter screen (6) and/or a rear filter screen (5), wherein the front filter screen (6) is arranged in the main flow pipe (11) and is positioned at one end of the throttling part and is far away from one side of the shunt pipe (1); the rear filter screen (5) is arranged in the main flow pipe (11) and is positioned at the position where the main flow pipe (11) is connected with the shunt pipe (1).
3. The throttle diverter of claim 2, wherein:
the inner wall of the main flow pipe (11) is also provided with a first stepped shaft which can be used for fixing the rear filter screen (5), and the inner wall of the main flow pipe (11) is also provided with a second stepped shaft which can be used for fixing the throttling part (100); the throttling shunt further comprises an outer connecting pipe (4), and the outer connecting pipe (4) is connected and communicated with one end, far away from the shunt pipe (1), of the main flow pipe (11).
4. The throttle diverter of claim 1, wherein:
the throttling shunt further comprises a silencing device arranged on the periphery of the main flow pipe (11) and/or the shunt pipe (1).
5. An air conditioner, includes indoor set and off-premises station, its characterized in that: comprising the throttle diverter of any one of claims 1-4, and the throttle diverter is disposed inside the indoor unit.
CN201711408819.1A 2017-12-22 2017-12-22 Throttle shunt and air conditioner Active CN108007023B (en)

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Publication number Priority date Publication date Assignee Title
CN101458023A (en) * 2007-12-10 2009-06-17 广东恒基金属制品实业有限公司 Three-edge throttle current divider for air conditioner
CN102155826A (en) * 2010-12-15 2011-08-17 赵敏 One-way movable throttle valve and air-conditioning outdoor unit using same
CN102829587A (en) * 2012-08-06 2012-12-19 海信科龙电器股份有限公司 Refrigeration equipment for air conditioner and air conditioner comprising same
CN204254942U (en) * 2014-11-28 2015-04-08 新昌县丰亿电器有限公司 A kind of throttling distributor assembly
CN104729164A (en) * 2013-12-20 2015-06-24 广东科龙空调器有限公司 Throttle-shunt device and air conditioner
CN207963239U (en) * 2017-12-22 2018-10-12 珠海格力电器股份有限公司 A kind of throttle current divider and air conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101458023A (en) * 2007-12-10 2009-06-17 广东恒基金属制品实业有限公司 Three-edge throttle current divider for air conditioner
CN102155826A (en) * 2010-12-15 2011-08-17 赵敏 One-way movable throttle valve and air-conditioning outdoor unit using same
CN102829587A (en) * 2012-08-06 2012-12-19 海信科龙电器股份有限公司 Refrigeration equipment for air conditioner and air conditioner comprising same
CN104729164A (en) * 2013-12-20 2015-06-24 广东科龙空调器有限公司 Throttle-shunt device and air conditioner
CN204254942U (en) * 2014-11-28 2015-04-08 新昌县丰亿电器有限公司 A kind of throttling distributor assembly
CN207963239U (en) * 2017-12-22 2018-10-12 珠海格力电器股份有限公司 A kind of throttle current divider and air conditioner

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