CN109405370B - Throttling device and air conditioner - Google Patents
Throttling device and air conditioner Download PDFInfo
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- CN109405370B CN109405370B CN201811088794.6A CN201811088794A CN109405370B CN 109405370 B CN109405370 B CN 109405370B CN 201811088794 A CN201811088794 A CN 201811088794A CN 109405370 B CN109405370 B CN 109405370B
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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
- F25B41/30—Expansion means; Dispositions thereof
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Abstract
The invention discloses a throttling device and an air conditioner, belonging to the field of air conditioners, wherein the throttling device comprises a valve body, a first valve core, a second valve core and an elastic element; the valve body comprises a first chamber, a second chamber and a third chamber which are arranged in sequence, and the first valve core and the second valve core are respectively arranged in the second chamber in a sliding manner; the elastic element is positioned between the first valve core and the second valve core, through holes are respectively formed in the first valve core and the second valve core, a refrigerant channel is arranged between the two through holes, a bypass pipeline is arranged outside the valve body and is used for communicating the first cavity and the third cavity, and when the first valve core and the second valve core are positioned at initial positions, the bypass pipeline is in a closed state; when the pressure difference between the pressures of the first chamber and the third chamber is equal to a preset value, the first valve core moves downwards or the second valve core moves upwards, the elastic element is in a compressed state, and the bypass pipeline is in an open state. The scheme solves the defect that the flow of the capillary tube and the throttle valve can not be adjusted.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a throttling device and an air conditioner.
Background
At present, in the prior art, a throttling device between an evaporator and a condenser of an air conditioner is generally an invariable flow throttling element, such as a capillary tube and a throttling valve, the two throttling modes only can provide a throttling effect and cannot adjust the throttling effect according to the flow and the pressure change at two sides, in an air conditioning system with the throttling valve as the throttling device, the throttling direction of the throttling valve is changed by the conversion of the high pressure and the low pressure of the system, and the phenomenon of valve core clamping in the throttling valve frequently occurs in the actual use, so that the normal operation of the air conditioner is influenced.
Disclosure of Invention
The embodiment of the invention provides a throttling device and an air conditioner, and at least solves one of the technical problems in the prior art. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to a first aspect of embodiments of the present invention, there is provided a throttling device;
in some optional embodiments, the throttling device can be used in an air conditioner and comprises a valve body, a first valve core, a second valve core and an elastic element;
the valve body is of a hollow structure and comprises a first chamber, a second chamber and a third chamber which are sequentially arranged, and the first valve core and the second valve core are respectively arranged in the second chamber in a sliding manner;
the elastic element is positioned between the first valve core and the second valve core, through holes are respectively formed in the first valve core and the second valve core, a refrigerant channel is arranged between the two through holes, and the refrigerant channel is used for communicating the first cavity and the third cavity;
a bypass pipeline is arranged on the outer side of the valve body and is used for communicating the first chamber and the third chamber, and when the first valve core and the second valve core are at initial positions, the bypass pipeline is in a closed state; when the pressure difference between the pressure in the first chamber and the pressure in the third chamber is larger than or equal to a preset value, the first valve core is pressed to move downwards, the elastic element is in a compressed state, or the second valve core is pressed to move upwards, the elastic element is in a compressed state, and the bypass pipeline is in an open state.
In some optional embodiments, the refrigerant channel is a hollow tube, an upper end of the hollow tube is fixedly connected to the through hole of the first valve core, a lower end of the hollow tube is disposed through the through hole of the second valve core, and the hollow tube can slide in the through hole of the second valve core.
In some optional embodiments, the refrigerant channel is a hollow tube, an upper end of the hollow tube is disposed through the through hole of the first valve core, the hollow tube is capable of sliding in the through hole of the first valve core, and a lower end of the hollow tube is fixedly connected to the through hole of the second valve core.
In some optional embodiments, further, the refrigerant channel is a hollow tube, two ends of the hollow tube are respectively disposed through the through holes of the first valve core and the second valve core, and the hollow tube can slide in the through holes.
In some optional embodiments, further, the elastic element is a spring, and two ends of the spring are respectively connected with the first valve core and the second valve core; the spring is sleeved outside the hollow pipe.
In some optional embodiments, further, the elastic element is a spring, and a plurality of springs are arranged between the first valve core and the second valve core at intervals.
In some optional embodiments, the refrigerant channel is a flexible hose, and two ends of the flexible hose are respectively and fixedly connected to the through holes of the first valve core and the second valve core.
In some optional embodiments, further, the elastic element is a spring, and two ends of the spring are respectively connected with the first valve core and the second valve core.
In some optional embodiments, further, the elastic element is a spring, and the spring is sleeved outside the flexible hose.
In some optional embodiments, further, the elastic element is a spring, and the spring is wound in the tube body of the extension hose.
In some optional embodiments, further, the elastic element is a spring, and a plurality of springs are arranged between the first valve core and the second valve core at intervals.
In some optional embodiments, further, a stop ring is disposed at a junction between the second chamber and the first chamber, and a stop ring is also disposed at a junction between the second chamber and the third chamber, and the stop ring is configured to limit the spool from sliding into the first chamber and the third chamber.
In some optional embodiments, further, the diameter of the second chamber is larger than the diameters of the first and third chambers, respectively, such that the second chamber forms an annular stepped groove in which the first and second spools are located.
In some optional embodiments, the bypass line further comprises a first bypass capillary line and a second bypass capillary line, an upper end of the first bypass capillary line is communicated with the second chamber, a lower end of the first bypass capillary line is communicated with the third chamber, and the initial position of the first valve core is to block the communication between the upper end of the first bypass capillary line and the second chamber;
the upper end of the second bypass capillary pipeline is communicated with the first cavity, the lower end of the second bypass capillary pipeline is communicated with the second cavity, and the initial position of the second valve core is a position for blocking the communication between the lower end of the second bypass capillary pipeline and the second cavity.
In some optional embodiments, further, the length and the diameter of the bypass line are set according to a preset refrigerant flow rate pressure difference.
According to a second aspect of embodiments of the present invention, there is provided an air conditioner;
in some optional embodiments, the air conditioner comprises a condenser and an evaporator, and further comprises a throttling device according to any one of the optional embodiments, wherein the throttling device is arranged between the condenser and the evaporator in series.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the first valve core and the second valve core are two-way valve cores, the moving reaction speed of the valve cores is improved when the refrigeration and heating are reversed, when the fluid flows through the surface of the valve core during the reversing, larger pressure is generated, so that the valve core moves rapidly, the reliability of the reaction of the valve core is further improved during the reversing, when the fluid flows through the bypass pipeline during reversing, the pipeline and the channel in the valve core play a role in throttling, the phenomenon of poor throttling effect caused by the clamping of the valve core is reduced, and simultaneously, the throttling device utilizes the valve body to assist the bypass pipeline to adjust the flow change of the system according to the high-low pressure change of the refrigeration system when the air conditioner operates, overcomes the defect that the flow can not be adjusted by a capillary tube, a throttle valve and the like, meanwhile, the throttling device reduces the manufacturing cost, improves the reversing efficiency of the throttling valve group, enhances the reversing reliability of the throttling valve core, and solves the problem that the common valve core throttling device is easy to be blocked in a low-temperature environment.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic cross-sectional view of a flow restriction device according to an exemplary embodiment;
FIG. 2 is a schematic cross-sectional illustration of a first valve spool downshifted state of a throttling device in accordance with an exemplary embodiment;
FIG. 3 is a schematic cross-sectional view of a second spool move-up condition of a flow restriction device in accordance with an exemplary embodiment;
FIG. 4 is a schematic cross-sectional structural view of a second spool move-up condition of a flow restriction device in accordance with another exemplary embodiment;
FIG. 5 is a schematic cross-sectional view of a flow restriction device according to yet another exemplary embodiment;
FIG. 6 is a schematic cross-sectional illustration of a second spool move-up condition of a flow restriction device in accordance with yet another exemplary embodiment;
FIG. 7 is a cross-sectional structural schematic view of a flow restriction device according to yet another exemplary embodiment;
FIG. 8 is a cross-sectional structural schematic view of an embodiment of a resilient member of a flow restriction device, according to an exemplary embodiment.
Reference numerals:
10-a valve body; 11-a first chamber; 12-a second chamber; 121-an annular stepped groove; 13-a third chamber; 14-a first valve spool; 15-a second valve spool; 16-a refrigerant channel; 161-hollow tube; 17-a resilient element; 18-a first bypass capillary channel; 19-a second bypass capillary line; 20-baffle ring.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the methods, products and the like disclosed by the embodiments, the description is simple because the methods correspond to the method parts disclosed by the embodiments, and the related parts can be referred to the method parts for description.
According to a first aspect of embodiments of the present invention, there is provided a throttling device;
as shown in fig. 1-8, in some alternative embodiments, the throttling device, which can be used in an air conditioner and is connected in series between a condenser and an evaporator, is used for throttling and adjusting the flow rate of a refrigerant in a refrigeration system and a heating system of the air conditioner, and comprises a valve body 10, a first valve core 14, a second valve core 15 and an elastic element 17;
the valve body 10 is of a hollow structure and comprises a first chamber 11, a second chamber 12 and a third chamber 13 which are sequentially arranged, and the first valve core 14 and the second valve core 15 are respectively and slidably arranged in the second chamber 12;
the elastic element 17 is located between the first valve core 14 and the second valve core 15, through holes are respectively formed in the first valve core 14 and the second valve core 15, a refrigerant channel 16 is arranged between the two through holes, and the refrigerant channel 16 is used for communicating the first cavity 11 and the third cavity 13;
a bypass pipeline is arranged on the outer side of the valve body 10 and is used for communicating the first chamber 11 with the third chamber 13, and when the first valve core 14 and the second valve core 15 are in the initial positions, the bypass pipeline is in a closed state; when the pressure difference between the pressure in the first chamber 11 and the pressure in the third chamber 13 is greater than or equal to a preset value, the first valve spool 14 is subjected to the pressure to move downwards, the elastic element 17 is in a compressed state, or the second valve spool 15 is subjected to the pressure to move upwards, the elastic element 17 is in a compressed state, and the bypass pipeline is in an open state.
In this embodiment, as shown in fig. 1, 5, 7 and 8, when the pressure difference between the first chamber 11 and the third chamber 13 is lower than the preset value, the elastic deformation of the elastic element 17 changes little or no, and the first valve spool 14 and the second valve spool 15 block the inlet of the bypass line, so that the bypass line is in a closed state;
as shown in fig. 2, when the pressure in the first chamber 11 is greater than the pressure in the third chamber 13 and the pressure difference is greater than or equal to the predetermined value, the first valve core 14 moves downward to compress the elastic element 17, at this time, the first valve core 14 opens the inlet of the bypass line, the refrigerant flows into the third chamber 13 from the refrigerant channel 16 and the bypass line, the refrigerant flow rate is increased, and after the pressure difference is recovered, the first valve core 14 returns to its original position under the action of the elastic element 17;
as shown in fig. 3, 4 and 6, when the pressure in the third chamber 13 is greater than the pressure in the first chamber 11 and the differential pressure is greater than or equal to the predetermined value, the second valve spool 15 moves upward to compress the elastic element 17, at this time, the second valve spool 15 opens the inlet of the bypass line, the refrigerant flows into the first chamber 11 from the refrigerant channel 16 and the bypass line, the refrigerant flow is increased, and after the differential pressure is restored, the second valve spool 15 returns under the action of the elastic element 17. The flow regulating valve overcomes the defect that the flow of a capillary tube, a throttle valve and the like can not be regulated, improves the valve core reversing efficiency of the throttling device, enhances the reversing reliability of the valve core, and solves the problem that the common valve core throttling device is easy to be blocked in a low-temperature environment.
In some optional embodiments, as shown in fig. 3, 7 and 8, the refrigerant channel is a hollow tube 161, an upper end of the hollow tube 161 is fixedly connected to the through hole of the first valve core 14, a lower end of the hollow tube 161 is disposed through the through hole of the second valve core 15, and the hollow tube 161 is capable of sliding in the through hole of the second valve core 15.
In this embodiment, when the first valve core 14 moves downwards, the hollow tube 161 and the first valve core 14 move downwards together, and the lower end of the hollow tube 161 passes through the through hole of the second valve core 15 to move, whereas when the second valve core 15 moves upwards, the first valve core 14 is not moved, and the second valve core 15 moves on the lower end of the hollow tube 161, so that the structure is simple, and the movement of the valve cores is stable and reliable.
In other optional embodiments, as shown in fig. 4, optionally, the refrigerant channel is a hollow tube 161, an upper end of the hollow tube 161 is disposed through the through hole of the first valve core 14, the hollow tube 161 can slide in the through hole of the first valve core 14, and a lower end of the hollow tube 161 is fixedly connected to the through hole of the second valve core 15, and the operation principle is the same.
In some optional embodiments, as shown in fig. 5 and 6, the refrigerant channel is a hollow tube 161, two ends of the hollow tube 161 are respectively disposed through the through holes of the first valve core 14 and the second valve core 15, two ends of the hollow tube 161 are respectively provided with a limiting portion, so as to prevent the first valve core 14 and the second valve core 15 from being disengaged, and the hollow tube 161 can slide in the through hole.
In this embodiment, when the first valve element 14 and the second valve element 15 move, the first valve element 14 moves at the upper end portion of the hollow tube 161 when the first valve element 14 moves downward, and the second valve element 15 moves at the lower end portion of the hollow tube 161 when the second valve element 15 moves upward.
In some alternative embodiments, further, as shown in fig. 1 to 7, the elastic element 17 is a spring, and two ends of the spring are respectively connected with the first valve spool 14 and the second valve spool 15; the spring is sleeved outside the hollow tube 161.
In the technical scheme of the hollow tube 161, the spring is sleeved outside the hollow tube 161 and is a spiral spring, so that the structure is simple and the cost is low.
In some alternative embodiments, as further shown in fig. 8, the elastic element 17 is a spring, and a plurality of springs are arranged between the first valve spool 14 and the second valve spool 15 at intervals.
In this embodiment, a spring may be supported between the first valve element 14 and the second valve element 15, and may be a coil spring, a bent leaf spring, or other elastic deformation element.
In other optional embodiments, the refrigerant channel is a flexible hose, and two ends of the flexible hose are fixedly connected to the through holes of the first valve core 14 and the second valve core 15, respectively. The arrangement is such that the first valve spool 14 and the second valve spool 15 compress the flexible hose when moving, and then return to the initial position again under the action of the resilient member 17.
In some optional embodiments, further, the elastic element 17 is a spring, and two ends of the spring are respectively connected with the first valve spool 14 and the second valve spool 15.
In this embodiment, a spring may be supported between the first valve element 14 and the second valve element 15, and may be a coil spring, a bent leaf spring, or other elastic deformation element.
In some optional embodiments, further, the elastic element 17 is a spring, and the spring is sleeved on the outer side of the flexible hose.
In some optional embodiments, further, the elastic element 17 is a spring, and the spring is wound in the tube body of the flexible hose. Namely, the spring and the flexible hose are made into an integral structure, and the flexible hose has an elastic deformation function under the configuration of the spring.
In some optional embodiments, further, the elastic element 17 is a spring, and a plurality of springs are arranged between the first valve spool 14 and the second valve spool 15 at intervals.
In some optional embodiments, as shown in fig. 1 to 6, a stop ring 20 is disposed at the junction between the second chamber 12 and the first chamber 11, and a stop ring 20 is also disposed at the junction between the second chamber 12 and the third chamber 13, where the stop ring 20 is used to limit the spool from sliding into the first chamber 11 and the third chamber 13.
In this embodiment, the retainer ring 20 is provided to simplify the structure and facilitate the position restriction of the first valve element 14 and the second valve element 15.
In yet other alternative embodiments, as further shown in fig. 7 and 8, the diameter of the second chamber 12 is larger than the diameters of the first chamber 11 and the third chamber 13, respectively, so that the second chamber 12 forms an annular stepped groove 121, and the first valve spool 14 and the second valve spool 15 are located in the annular stepped groove 121.
For the restriction of the retainer 20, the second chamber 12 may be configured such that the diameter of the second chamber 12 is larger than the diameter of the first chamber 11 and the third chamber 13, thereby restricting the first spool 14 and the second spool 15 from moving in the annular stepped groove 121.
In some optional embodiments, further, as shown in fig. 1 to 8, the bypass line includes a first bypass capillary line 18 and a second bypass capillary line, an upper end of the first bypass capillary line 18 communicates with the second chamber 12, a lower end of the first bypass capillary line communicates with the third chamber 13, and the initial position of the first valve element 14 is a position where the upper end of the first bypass capillary line 18 is blocked from communicating with the second chamber 12;
the upper end of the second bypass capillary line 19 is communicated with the first chamber 11, the lower end of the second bypass capillary line is communicated with the second chamber 12, and the initial position of the second valve core 15 is a position blocking the communication between the lower end of the second bypass capillary line 19 and the second chamber 12.
In this embodiment, when the pressure in the first chamber 11 is greater than the pressure in the third chamber 13 and the pressure difference is greater than or equal to the predetermined value, the first valve core 14 moves downward to compress the elastic element 17, at this time, the first valve core 14 opens the inlet of the first bypass capillary tube 18, the refrigerant flows from the refrigerant passage 16 and the first bypass capillary tube 18 into the third chamber 13, the refrigerant flow rate is increased, after the pressure difference is recovered, the first valve core 14 returns to its original position under the action of the elastic element 17, when the pressure in the third chamber 13 is greater than the pressure in the first chamber 11 and the pressure difference is greater than or equal to the predetermined value, the second valve core 15 moves upward to compress the elastic element 17, at this time, the first valve core 14 opens the inlet of the second bypass capillary tube 19, the refrigerant flows from the refrigerant passage 16 and the second bypass capillary tube 19 into the third chamber 13, the refrigerant flow rate is increased, and after the pressure difference is recovered, under the action of the elastic element 17, the second spool 15 is returned.
It should be noted that the length and the diameter of the bypass line are set according to a preset refrigerant flow rate pressure difference. That is, the specific size, length, diameter, etc. of the bypass line may be determined according to the flow rate and the pressure difference of the refrigerant.
According to a second aspect of the present invention, there is provided an air conditioner;
in some optional embodiments, the air conditioner comprises a condenser and an evaporator, and further comprises a throttling device according to any one of the optional embodiments, wherein the throttling device is arranged between the condenser and the evaporator in series.
The air conditioner provided by the second aspect of the present invention has the throttling device provided by the first aspect, so that all the beneficial effects of the throttling device provided by the first aspect are achieved, and details are not repeated herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Claims (9)
1. A throttling device can be used in an air conditioner and is characterized by comprising a valve body, a first valve core, a second valve core and an elastic element;
the valve body is of a hollow structure and comprises a first chamber, a second chamber and a third chamber which are sequentially arranged, and the first valve core and the second valve core are respectively arranged in the second chamber in a sliding manner;
the elastic element is positioned between the first valve core and the second valve core, through holes are respectively formed in the first valve core and the second valve core, a refrigerant channel is arranged between the two through holes, and the refrigerant channel is used for communicating the first cavity and the third cavity;
a bypass pipeline is arranged on the outer side of the valve body and is used for communicating the first chamber and the third chamber, and when the first valve core and the second valve core are at initial positions, the bypass pipeline is in a closed state; when the pressure difference between the pressure in the first chamber and the pressure in the third chamber is larger than or equal to a preset value, the first valve core is subjected to downward pressure to move, the elastic element is in a compressed state, or the second valve core is subjected to upward pressure to move, the elastic element is in a compressed state, and the bypass pipeline is in an open state;
the bypass pipeline comprises a first bypass capillary pipeline and a second bypass capillary pipeline, the upper end of the first bypass capillary pipeline is communicated with the second chamber, the lower end of the first bypass capillary pipeline is communicated with the third chamber, and the initial position of the first valve core is a position blocking the communication between the upper end of the first bypass capillary pipeline and the second chamber;
the upper end of the second bypass capillary pipeline is communicated with the first cavity, the lower end of the second bypass capillary pipeline is communicated with the second cavity, and the initial position of the second valve core is a position for blocking the communication between the lower end of the second bypass capillary pipeline and the second cavity.
2. The throttle device of claim 1,
the refrigerant channel is a hollow pipe, the upper end of the hollow pipe is fixedly connected with the through hole of the first valve core, the lower end of the hollow pipe penetrates through the through hole of the second valve core, and the hollow pipe can slide in the through hole of the second valve core; or
The upper end of the hollow pipe penetrates through the through hole of the first valve core and can slide in the through hole of the first valve core, and the lower end of the hollow pipe is fixedly connected with the through hole of the second valve core; or
Two ends of the hollow pipe respectively penetrate through the through holes of the first valve core and the second valve core, and the hollow pipe can slide in the through holes.
3. Throttling device according to claim 2,
the elastic element is a spring, and two ends of the spring are respectively connected with the first valve core and the second valve core;
the spring is sleeved outside the hollow pipe; or
The plurality of springs are disposed in spaced relation between the first and second spools.
4. The throttle device of claim 1,
the refrigerant channel is a flexible hose, and two ends of the flexible hose are fixedly connected with the through holes of the first valve core and the second valve core respectively.
5. The throttle device of claim 1,
the elastic element is a spring, and two ends of the spring are respectively connected with the first valve core and the second valve core;
the spring is sleeved outside the telescopic hose; or
The spring is wound in the tube body of the telescopic hose; or
The plurality of springs are disposed in spaced relation between the first and second spools.
6. The throttle device of claim 1,
and a baffle ring is arranged at the junction of the second chamber and the first chamber, a baffle ring is also arranged at the junction of the second chamber and the third chamber, and the baffle ring is used for limiting the valve core to slide into the first chamber and the third chamber.
7. The throttle device of claim 1,
the diameter of the second chamber is respectively larger than the diameters of the first chamber and the third chamber, so that the second chamber forms an annular stepped groove, and the first valve core and the second valve core are located in the annular stepped groove.
8. The throttle device of claim 1,
the length and the diameter of the bypass pipeline are set according to the flow pressure difference of a preset refrigerant.
9. An air conditioner comprising a condenser and an evaporator, further comprising a throttling device according to any one of claims 1 to 8, said throttling device being arranged in series between said condenser and said evaporator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088794.6A CN109405370B (en) | 2018-09-18 | 2018-09-18 | Throttling device and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811088794.6A CN109405370B (en) | 2018-09-18 | 2018-09-18 | Throttling device and air conditioner |
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| CN109405370A CN109405370A (en) | 2019-03-01 |
| CN109405370B true CN109405370B (en) | 2020-12-25 |
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| CN203869389U (en) * | 2014-05-08 | 2014-10-08 | 美的集团股份有限公司 | Short-pipe throttle valve and air conditioner |
| CN206280558U (en) * | 2016-11-29 | 2017-06-27 | 广州华凌制冷设备有限公司 | A kind of adaptive throttling valve, air-conditioning system |
| CN107514847A (en) * | 2017-08-28 | 2017-12-26 | 青岛海尔空调器有限总公司 | The method that short-tube restrictor device, air conditioner vacuumized and filled refrigerant |
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| CN109405370A (en) | 2019-03-01 |
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Effective date of registration: 20201130 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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