CN109405370A - Throttling set and air conditioner - Google Patents
Throttling set and air conditioner Download PDFInfo
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- CN109405370A CN109405370A CN201811088794.6A CN201811088794A CN109405370A CN 109405370 A CN109405370 A CN 109405370A CN 201811088794 A CN201811088794 A CN 201811088794A CN 109405370 A CN109405370 A CN 109405370A
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- spool
- chamber
- throttling set
- hollow pipe
- bypass line
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Temperature-Responsive Valves (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of throttling set and air conditioners, belong to field of air conditioning, and throttling set includes valve body, the first spool, the second spool and elastic element;Valve body includes the first chamber set gradually, second chamber and third chamber, and the first spool and the second spool are slidably arranged in second chamber respectively;Elastic element is between the first spool and the second spool, and first is respectively arranged with through-hole on spool and the second spool, refrigerant passage is provided between two through-holes, valve body is externally provided with bypass line, bypass line is for being connected to first chamber and third chamber, when the first spool and the second spool are in initial position, bypass line is in close state;When the pressure difference between first chamber and the pressure of third chamber is equal to preset value greatly, the first spool is moved down or the second spool moves up, and elastic element is in compressive state, and bypass line is in the open state.This programme solves the drawbacks of capillary, throttle valve unadjustable flow.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of throttling set and air conditioner.
Background technique
Currently, in the prior art, the throttling set between the evaporator and condenser of air conditioner generally can not variable-flow
Throttle original part, such as capillary and two kinds of throttle valve, both throttle styles can only provide a restriction effect, cannot be according to stream
It measures size and pressure at both sides variation adjusts restriction effect, in air-conditioning system of the throttle valve as throttling set, throttle valve is relied on
The conversion of system high-low pressure and convert throttling direction, often occur spool stuck phenomenon in throttle valve in actual use, influence
Air-conditioning operates normally.
Summary of the invention
The embodiment of the invention provides a kind of throttling set and air conditioners, at least to solve technology existing in the prior art
One of problem.In order to which some aspects of the embodiment to disclosure have a basic understanding, simple summary is shown below.It should
Summarized section is not extensive overview, nor to determine key/critical component or describe the protection scope of these embodiments.
Its sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
According to a first aspect of the embodiments of the present invention, a kind of throttling set is provided;
In some optional embodiments, the throttling set, can be used in air conditioner, including valve body, the first spool,
Two spools and elastic element;
The valve body is hollow structure, and the first chamber including setting gradually, second chamber and third chamber, described the
One spool and the second spool are slidably arranged in respectively in the second chamber;
The elastic element is between first spool and the second spool, and on first spool and the second spool
It is respectively arranged with through-hole, refrigerant passage is provided between two through-holes, the refrigerant passage is for being connected to first chamber
Room and third chamber;
Bypass line is provided on the outside of the valve body, the bypass line is for being connected to the first chamber and third chamber
Room, when first spool and the second spool are in initial position, the bypass line is in close state;When described first
When pressure difference between the indoor pressure of chamber and the pressure of the third chamber is more than or equal to preset value, first spool is pressed
Power moves down, and the elastic element is in compressive state or second spool is under pressure and moves up, the elasticity member
Part is in compressive state, and the bypass line is in the open state.
In some optional embodiments, further, the refrigerant pipe is hollow pipe, the upper end of the hollow pipe and institute
The through-hole for stating the first spool is mutually fixedly connected, and the through-hole that the lower end of the hollow pipe passes through second spool is arranged, and described
Hollow pipe can slide in the through-hole of second spool.
In some optional embodiments, further, the refrigerant pipe is hollow pipe, and the upper end of the hollow pipe passes through
The through-hole of first spool is arranged, and the hollow pipe can slide in the through-hole of first spool, the hollow pipe
Lower end be mutually fixedly connected with the through-hole of second spool.
In some optional embodiments, further, the refrigerant pipe is hollow pipe, and the both ends of the hollow pipe are distinguished
It is arranged across the through-hole of first spool and the second spool, and the hollow pipe can slide in the through-hole.
In some optional embodiments, further, the elastic element be spring, the both ends of the spring respectively with institute
It states the first spool and the second spool is connected;The spring is set in outside the hollow pipe.
In some optional embodiments, further, the elastic element is spring, and multiple springs are set at intervals
It sets between first spool and the second spool.
In some optional embodiments, further, the refrigerant pipe is bellows, the both ends of the bellows
It is mutually fixedly connected with the through hole of first spool and the second spool respectively.
In some optional embodiments, further, the elastic element be spring, the both ends of the spring respectively with institute
It states the first spool and the second spool is connected.
In some optional embodiments, further, the elastic element is spring, and the spring is set in described flexible
On the outside of hose.
In some optional embodiments, further, the elastic element is spring, and the spring wrap is described flexible
In the tube body of hose.
In some optional embodiments, further, the elastic element is spring, and multiple springs are set at intervals
It sets between first spool and the second spool.
In some optional embodiments, further, the intersection of the second chamber and the first chamber is provided with
The intersection of baffle ring, the second chamber and the third chamber is also equipped with baffle ring, and the baffle ring is slided to for limiting spool
In the first chamber and third chamber.
In some optional embodiments, further, the diameter of the second chamber be respectively smaller than the first chamber and
The diameter of third chamber, so that the second chamber forms ring ladder slot, first spool and the second spool are located at described
In ring ladder slot.
In some optional embodiments, further, the bypass line includes by the first bypass capillary road and second
Logical capillary pipeline, the upper end on first bypass capillary road are connected with the second chamber, first bypass line
Lower end is connected with the third chamber, and the initial position of first spool is the upper of blocking first bypass capillary road
End and the second chamber connectivity part;
The upper end on second bypass capillary road is connected with the first chamber, the lower end of second bypass line
Be connected with the second chamber, the initial position of second spool be block second bypass capillary road lower end with
The second chamber connectivity part.
In some optional embodiments, further, the length of the bypass line, diameter are according to the flow for presetting refrigerant
Pressure differential resetting.
According to a second aspect of the embodiments of the present invention, a kind of air conditioner is provided;
In some optional embodiments, the air conditioner includes condenser and evaporator, further includes aforementioned any optional reality
The throttling set is applied, the throttling set is arranged in series between the condenser and evaporator.
Technical solution provided in an embodiment of the present invention can include the following benefits:
First spool and the second spool are two-way spool, improve spool mobile response speed in cooling and warming commutation,
Larger pressure is generated when fluid flows through spool face when commutation, fast moves spool, the reliability of spool reaction when commutation
It is further promoted, in commutation, fluid flows through bypass line, and throttling is played the role of in channel in pipeline and spool at this time, subtracts
The phenomenon of restriction effect difference caused by few spool blocks, meanwhile, the throttling set is using valve body auxiliary bypass line according to air-conditioning
The high-low pressure of refrigeration system changes regulating system changes in flow rate when operation, solves the non-adjustable throttling such as capillary, throttle valve
The drawbacks of amount, while the throttling set reduces manufacturing cost, improves throttling valve group commutation efficiency, enhancing throttling valve core commutation can
By property, the problem of common spool throttling set is easily stuck in low temperature environment is overcome.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of schematic cross-sectional view of throttling set shown according to an exemplary embodiment;
Fig. 2 be a kind of throttling set shown according to an exemplary embodiment the first spool under shifting state sectional structure
Schematic diagram;
Fig. 3 is a kind of sectional structure of the second spool raised state of throttling set shown according to an exemplary embodiment
Schematic diagram;
Fig. 4 is a kind of section view knot of the second spool raised state of the throttling set shown according to another exemplary embodiment
Structure schematic diagram schematic diagram;
Fig. 5 is a kind of schematic cross-sectional view of the throttling set shown according to a further exemplary embodiment;
Fig. 6 is a kind of section view knot of the second spool raised state of the throttling set shown according to a further exemplary embodiment
Structure schematic diagram;
Fig. 7 is a kind of schematic cross-sectional view of throttling set shown according to another exemplary embodiment;
Fig. 8 is a kind of section view of an embodiment of the elastic element of throttling set shown according to an exemplary embodiment
Structural schematic diagram.
Appended drawing reference:
10- valve body;11- first chamber;12- second chamber;121- ring ladder slot;13- third chamber;The first valve of 14-
Core;The second spool of 15-;16- refrigerant passage;161- hollow pipe;17- elastic element;The first bypass capillary of 18- road;19- second
Bypass capillary road;20- baffle ring.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, each embodiment individually or can be indicated generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the range for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any actual relationships between these entities or operation
Or sequence.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, thus
So that process, method or equipment including a series of elements not only include those elements, but also including being not explicitly listed
Other element, or further include for this process, method or the intrinsic element of equipment.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in process, method or equipment including the element
In there is also other identical elements.Each embodiment herein is described in a progressive manner, and each embodiment stresses
Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For implementing
For method, product etc. disclosed in example, since it is corresponding with method part disclosed in embodiment, so the comparison of description is simple
Single, reference may be made to the description of the method.
According to a first aspect of the embodiments of the present invention, a kind of throttling set is provided;
As Figure 1-Figure 8, in some optional embodiments, the throttling set, can be used in air conditioner, be connected on
Between condenser and evaporator, to the flow flow restriction control of refrigerant when for air-conditioner refrigerating system and heating system, including
Valve body 10, the first spool 14, the second spool 15 and elastic element 17;
The valve body 10 is hollow structure, and first chamber 11, second chamber 12 and third chamber including setting gradually
13, first spool 14 and the second spool 15 are slidably arranged in respectively in the second chamber 12;
The elastic element 17 is between first spool 14 and the second spool 15, and first spool 14 and
It is respectively arranged with through-hole on two spools 15, refrigerant passage 16 is provided between two through-holes, the refrigerant passage 16 is used for
It is connected to the first chamber 11 and third chamber 13;
The outside of the valve body 10 is provided with bypass line, and the bypass line is for being connected to the first chamber 11 and the
Three chambers 13, when first spool 14 and the second spool 15 are in initial position, the bypass line is in close state;
It is described when the pressure difference between the pressure of pressure and the third chamber 13 in the first chamber 11 is more than or equal to preset value
First spool 14, which is under pressure, to be moved down, and the elastic element 17 is in compressive state or second spool 15 is pressed
Power moves up, and the elastic element 17 is in compressive state, and the bypass line is in the open state.
In this embodiment, the pressure difference as shown in Fig. 1, Fig. 5 Fig. 7 and Fig. 8, between first chamber 11 and third chamber 13
When lower than preset value, the elastic deformation variation of elastic element 17 is smaller or constant, and the first spool 14 and the second spool 15 are clogging
The entrance of bypass line, is in close state bypass line;
As shown in Fig. 2, when the pressure in first chamber 11 is greater than the pressure of third chamber 13, and pressure difference is greater than or equal in advance
If the first spool 14 moves down compression elastic element 17 when value, at this point, the first spool 14 opens the entrance of bypass line,
Refrigerant flows in third chamber 13 from refrigerant passage 16 and bypass line, increases cold medium flux, after pressure difference restores, in elastic member
Under the action of part 17, the playback of the first spool 14;
As shown in Fig. 3, Fig. 4 and Fig. 6, when pressure of the pressure in third chamber 13 greater than first chamber 11, and pressure difference is big
In or when being equal to preset value, the second spool 15 moves up compression elastic element 17, at this point, the first spool 14 is by bypass line
Entrance is opened, and refrigerant flows in third chamber 13 from refrigerant passage 16 and bypass line, increases cold medium flux, when pressure difference restores
Afterwards, under the action of elastic element 17, the playback of the second spool 15.Solves the disadvantage of the unadjustable flow such as capillary, throttle valve
End, improves the spool commutation efficiency of throttling set, and enhancing spool commutation reliability overcomes common spool throttling set in low temperature
The problem of being easily stuck in environment.
In some optional embodiments, further, as shown in Fig. 3, Fig. 7 and Fig. 8, the refrigerant pipe is hollow pipe
161, the upper end of the hollow pipe 161 is mutually fixedly connected with the through-hole of first spool 14, and the lower end of the hollow pipe 161 is worn
The through-hole setting of second spool 15 is crossed, and the hollow pipe 161 can slide in the through-hole of second spool 15.
In this embodiment, when the first spool 14 moves down, hollow pipe 161 and the first spool 14 move downwardly together,
The through-hole that the lower end of hollow pipe 161 passes through the second spool 15 is mobile, conversely, when the second spool 15 moves up, the first spool
14 is motionless, and the second spool 15 moves on the lower end of hollow pipe 161, and structure is simple, and the movement of spool is reliable and stable.
In other alternative embodiments, optionally, as shown in figure 4, the refrigerant pipe is hollow pipe 161, the sky
The through-hole that the upper end of heart pipe 161 passes through first spool 14 is arranged, and the hollow pipe 161 can be in first spool 14
Through-hole in sliding, the lower end of the hollow pipe 161 is mutually fixedly connected with the through-hole of second spool 15, and operating principle is same
On.
In some optional embodiments, optionally, as shown in Figure 5 and Figure 6, the refrigerant pipe is hollow pipe 161, described
The both ends of hollow pipe 161 are each passed through the through-hole setting of first spool 14 and the second spool 15, the both ends point of hollow pipe 161
Limiting section is not installed, avoids the first spool 14 and the second spool 15 from deviating from, and the hollow pipe 161 can be in the through-hole
Sliding.
In this embodiment, when the first spool 14 and the second spool 15 move, when the first spool 14 moves down, the first valve
Core 14 is mobile in the upper end of hollow pipe 161, and when the second spool 15 moves up, the second spool 15 is in the lower end of hollow pipe 161
Portion is mobile.
In some optional embodiments, further, as shown in Fig. 1-Fig. 7, the elastic element 17 is spring, the bullet
The both ends of spring are connected with first spool 14 and the second spool 15 respectively;The spring is set in outside the hollow pipe 161.
In the technical solution of above-mentioned hollow pipe 161, spring, which is set in outside the hollow pipe 161, to be arranged, and spring is spiral
Spring, structure is simple, at low cost.
In some optional embodiments, further, as shown in figure 8, the elastic element 17 is spring, multiple bullets
Spring is arranged at intervals between first spool 14 and the second spool 15.
In this embodiment, spring can also be supported between the first spool 14 and the second spool 15 and be arranged, and can be spiral shell
Revolve spring, bending leaf spring or other elastic deformation components etc..
In other alternative embodiments, further, the refrigerant pipe be bellows, the two of the bellows
End is mutually fixedly connected with the through hole of first spool 14 and the second spool 15 respectively.Such setting makes the first spool 14
When moving with the second spool 15, bellows is compressed, is then restored again under the action of elastic element 17 to initial
Position.
In some optional embodiments, further, the elastic element 17 be spring, the both ends of the spring respectively with
First spool 14 is connected with the second spool 15.
In this embodiment, spring can also be supported between the first spool 14 and the second spool 15 and be arranged, and can be spiral shell
Revolve spring, bending leaf spring or other elastic deformation components etc..
In some optional embodiments, further, the elastic element 17 is spring, and the spring is set in described stretch
On the outside of contracting hose.
In some optional embodiments, further, the elastic element 17 is spring, and the spring wrap is stretched described
In the tube body of contracting hose.Namely spring and bellows are made of one structure, and bellows has bullet under the configuration of spring
Property deformation function.
In some optional embodiments, further, the elastic element 17 is spring, and multiple springs are at intervals
It is arranged between first spool 14 and the second spool 15.
In some optional embodiments, further, as shown in figs 1 to 6, the second chamber 12 and first chamber
The intersection of room 11 is provided with baffle ring 20, and the second chamber 12 and the intersection of the third chamber 13 are also equipped with baffle ring
20, the baffle ring 20 slides in the first chamber 11 and third chamber 13 for limiting spool.
In this embodiment, the setting of baffle ring 20, structure is simple, the convenient position to the first spool 14 and the second spool 15
It is limited.
In other alternative embodiments, further, as shown in Figure 7 and Figure 8, the diameter of the second chamber 12 is distinguished
Less than the diameter of the first chamber 11 and third chamber 13, so that the second chamber 12 forms ring ladder slot 121, it is described
First spool 14 and the second spool 15 are located in the ring ladder slot 121.
For the restricted version of baffle ring 20, second chamber 12, that is, the diameter of second chamber 12 can also be set in this way
It is all larger than the diameter of first chamber 11 and third chamber 13, the first spool 14 and the second spool 15 are limited in ring ladder slot
It is moved in 121.
In some optional embodiments, further, as Figure 1-Figure 8, the bypass line includes the first bypass hair
Tubule road 18 and the second bypass capillary road, the upper end on first bypass capillary road 18 are connected with the second chamber 12
Logical, the lower end of first bypass line is connected with the third chamber 13, and the initial position of first spool 14 is stifled
Fill in first bypass capillary road 18 upper end and 12 connectivity part of second chamber;
The upper end on second bypass capillary road 19 is connected with the first chamber 11, second bypass line
Lower end is connected with the second chamber 12, and the initial position of second spool 15 is blocking second bypass capillary road
19 lower end and 12 connectivity part of second chamber.
In this embodiment, when pressure of the pressure in first chamber 11 greater than third chamber 13, and pressure difference is greater than or waits
When preset value, the first spool 14 moves down compression elastic element 17, at this point, the first spool 14 is by the first bypass capillary road
18 entrance is opened, and refrigerant flows in third chamber 13 from refrigerant passage 16 and the first bypass capillary road 18, increases refrigerant stream
Amount, after pressure difference restores, under the action of elastic element 17, the first spool 14 playback, when the pressure in third chamber 13 is greater than
The pressure of first chamber 11, and pressure difference be greater than or equal to preset value when, the second spool 15 moves up compression elastic element 17, this
When, the first spool 14 opens the entrance on the second bypass capillary road 19, and refrigerant is from refrigerant passage 16 and the second bypass capillary
Road 19 flows in third chamber 13, increases cold medium flux, after pressure difference restores, under the action of elastic element 17, and the second spool
15 playback.
It should be noted that the length of the bypass line, diameter are set according to the flow pressure-difference of default refrigerant.Also
It is the specific size of bypass line, length, diameter etc. can determine specific size according to the flow and pressure difference of refrigerant.
According to a second aspect of the present invention, a kind of air conditioner is provided;
In some optional embodiments, the air conditioner includes condenser and evaporator, further includes aforementioned any optional reality
The throttling set is applied, the throttling set is arranged in series between the condenser and evaporator.
The throttling set that there is the air conditioner that second aspect of the present invention provides first aspect to provide, therefore there is first aspect
Whole beneficial effects of the throttling set of offer, just do not repeat one by one herein.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other implementations
Certain features rather than other feature included by example, but the combination of the feature of different embodiments means in the present invention
Within the scope of and form different embodiments.For example, in claims above, embodiment claimed
It is one of any can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen pair
The understanding of general background technology of the invention, and be not construed as recognizing or implying in any form that information composition has been this
The prior art well known to the technical staff of field.
Claims (10)
1. a kind of throttling set, can be used in air conditioner, which is characterized in that including valve body, the first spool, the second spool and bullet
Property element;
The valve body is hollow structure, and the first chamber including setting gradually, second chamber and third chamber, first valve
Core and the second spool are slidably arranged in respectively in the second chamber;
The elastic element is distinguished between first spool and the second spool, and on first spool and the second spool
Be provided with through-hole, be provided with refrigerant passage between two through-holes, the refrigerant passage for be connected to the first chamber and
Third chamber;
Bypass line is provided on the outside of the valve body, the bypass line is used to be connected to the first chamber and third chamber,
When first spool and the second spool are in initial position, the bypass line is in close state;When first chamber
When pressure difference between indoor pressure and the pressure of the third chamber is more than or equal to preset value, first spool is under pressure
It moves down, the elastic element is in compressive state or second spool is under pressure and moves up, the elastic element
In compressive state, the bypass line is in the open state.
2. throttling set according to claim 1, which is characterized in that
The refrigerant pipe is hollow pipe, and the upper end of the hollow pipe is mutually fixedly connected with the through-hole of first spool, described
The through-hole that the lower end of hollow pipe passes through second spool is arranged, and the hollow pipe can be in the through-hole of second spool
Sliding;Or
The through-hole that the upper end of the hollow pipe passes through first spool is arranged, and the hollow pipe can be in first spool
Through-hole in sliding, the lower end of the hollow pipe is mutually fixedly connected with the through-hole of second spool;Or
The both ends of the hollow pipe are each passed through the through-hole setting of first spool and the second spool, and the hollow pipe can
It is slided in the through-hole.
3. throttling set according to claim 2, which is characterized in that
The elastic element is spring, and the both ends of the spring are connected with first spool and the second spool respectively;
The spring is set in outside the hollow pipe;Or
Multiple springs are arranged at intervals between first spool and the second spool.
4. throttling set according to claim 1, which is characterized in that
The refrigerant pipe is bellows, and the both ends of the bellows are logical with first spool and the second spool respectively
It is mutually fixedly connected at hole.
5. throttling set according to claim 1, which is characterized in that
The elastic element is spring, and the both ends of the spring are connected with first spool and the second spool respectively;
The spring is set on the outside of the bellows;Or
The spring wrap is in the tube body of the bellows;Or
Multiple springs are arranged at intervals between first spool and the second spool.
6. throttling set according to claim 1, which is characterized in that
The intersection of the second chamber and the first chamber is provided with baffle ring, the second chamber and the third chamber
Intersection is also equipped with baffle ring, and the baffle ring slides in the first chamber and third chamber for limiting spool.
7. throttling set according to claim 1, which is characterized in that
The diameter of the second chamber is respectively smaller than the diameter of the first chamber and third chamber, so that the second chamber shape
Stepped groove is circularized, first spool and the second spool are located in the ring ladder slot.
8. throttling set according to claim 1, which is characterized in that
The bypass line includes the first bypass capillary road and the second bypass capillary road, first bypass capillary road
Upper end is connected with the second chamber, and the lower end of first bypass line is connected with the third chamber, and described first
The initial position of spool is the upper end for blocking first bypass capillary road and the second chamber connectivity part;
The upper end on second bypass capillary road is connected with the first chamber, the lower end of second bypass line and institute
Second chamber is stated to be connected, the initial position of second spool be block second bypass capillary road lower end with it is described
Second chamber connectivity part.
9. throttling set according to claim 1, which is characterized in that
The length of the bypass line, diameter are set according to the flow pressure-difference of default refrigerant.
10. a kind of air conditioner, including condenser and evaporator, which is characterized in that further include described in any one of claim 1-9
Throttling set, the throttling set is arranged in series between the condenser and evaporator.
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CN201811088794.6A CN109405370B (en) | 2018-09-18 | 2018-09-18 | Throttling device and air conditioner |
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CN201811088794.6A CN109405370B (en) | 2018-09-18 | 2018-09-18 | Throttling device and air conditioner |
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CN109405370B CN109405370B (en) | 2020-12-25 |
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CN102242817A (en) * | 2011-06-23 | 2011-11-16 | 清华大学 | Refrigerant natural circulation combined type bypass throttle valve for special machine of machine room |
CN102967092A (en) * | 2012-11-30 | 2013-03-13 | Tcl空调器(中山)有限公司 | Pressure maintaining assembly and energy-saving air conditioner with same |
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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