CN106288543A - 5 way valve and air conditioning system - Google Patents
5 way valve and air conditioning system Download PDFInfo
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- CN106288543A CN106288543A CN201510239638.5A CN201510239638A CN106288543A CN 106288543 A CN106288543 A CN 106288543A CN 201510239638 A CN201510239638 A CN 201510239638A CN 106288543 A CN106288543 A CN 106288543A
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Abstract
The present invention provides a kind of 5 way valve and air conditioning system.5 way valve includes valve body, valve body has valve pocket, valve seat it is fixedly installed in valve pocket, sliding on valve seat and be provided with guiding valve, 5 way valve includes the first import, the second import, first interface, the second interface and the 3rd interface, and guiding valve has first isolated with valve pocket and connects chamber and the second connection chamber, when guiding valve is positioned at the first station, first import connects with valve pocket, and first interface and the second interface are connected by the first connection chamber, and the 3rd interface and the second import are connected by the second connection chamber；When guiding valve is positioned at the second station, the first import is connected with first interface by valve pocket, and the second interface and the 3rd interface are connected by the first connection chamber, the second inlet communication to second connection chamber.According to the 5 way valve of the present invention, simple in construction, controlling difficulty low, cost is relatively low.
Description
Technical field
The present invention relates to fluid reversing and control technical field, in particular to a kind of 5 way valve and sky
Adjusting system.
Background technology
Air-conditioning products is improving energy efficiency at present, increases supplementary heat exchanger in high-pressure side, and during refrigeration, coolant flows through auxiliary
Help heat exchanger, be used for cooling down overheated high pressure gaseous coolant, increase condensation side heat exchange area, improve system energy
Effect；And when heating, needed for system, cold-producing medium is few, it is desirable to High Temperature High Pressure coolant does not flows in supplementary heat exchanger,
Supplementary heat exchanger is for storing unnecessary cold-producing medium.Therefore, when freezing and heating conversion, need auxiliary is changed
The refrigerant flow of hot device switches over.
Existing four-way change-over valve structure is as it is shown in figure 1, include import D, first interface E, the second interface S
With the 3rd interface C, when guiding valve is positioned at the first station, first interface E and the second interface S connection, import
D and the 3rd interface C connection, when guiding valve is positioned at the second station, import D connects with first interface E, the
Two interface S and the 3rd interface C connection.
For solving the problems referred to above, being usually on the basis of existing cross valve and increase a high-pressure pipe, two are entered
Trachea respectively connects an electromagnetic valve, and wherein an air inlet pipe is connected with supplementary heat exchanger outlet, another root air inlet pipe
Connect supplementary heat exchanger import, by controlling electromagnetic valve coil and cross valve pilot valve coil power on/off, realize refrigeration
Time coolant flow through supplementary heat exchanger, when heating, coolant does not circulates in supplementary heat exchanger.
In conjunction with seeing shown in Fig. 2 and Fig. 3, the work being applied to during air conditioning system for this four-way change-over valve 2 is former
Reason figure.It can be seen that the first import D1 of four-way change-over valve 2 is connected to the outlet of compressor 1,
The import of supplementary heat exchanger 3 is connected to the outlet of compressor 1, and the outlet of supplementary heat exchanger 3 is connected to second
Import D2, first interface E are connected to the second port of indoor heat exchanger 5, and the second interface S is connected to pressure
The import of contracting machine 1, the 3rd interface is connected to the first port of outdoor heat exchanger 4, the of outdoor heat exchanger 4
Throttling arrangement 6 it is provided with on pipeline between Two-port netwerk and the first port of indoor heat exchanger 5.
In conjunction with shown in Figure 2, when air conditioning system is in refrigerating state, guiding valve is in the first operating position,
Electromagnetic valve at first import D1 disconnects, and the electromagnetic valve connection at the second import D2, cold-producing medium changes through auxiliary
Outdoor heat exchanger 4 is entered, it is possible to increase the refrigerating efficiency of air conditioning system after hot device 3 is supercool.
In conjunction with shown in Figure 3, when air conditioning system is in and heats state, guiding valve is in the second operating position,
Electromagnetic valve connection at first import D1, the electromagnetic valve at the second import D2 disconnects, and cold-producing medium enters auxiliary
Heat exchanger 3, is stored unnecessary cold-producing medium by supplementary heat exchanger 3.
But such scheme exists relatively costly simultaneously, need two electromagnetic valves, and increase automatically controlled program complexity
Problem.
Summary of the invention
The technical purpose of the present invention is that the defect solving above-mentioned prior art, it is provided that a kind of simple in construction,
Control difficulty low, lower-cost 5 way valve and air conditioning system.
For reaching the technical purpose of the present invention, the invention provides a kind of 5 way valve, including valve body, valve
Body has valve pocket, is fixedly installed valve seat in valve pocket, and valve seat slides is provided with guiding valve, 5 way valve bag
Include the first import, the second import, first interface, the second interface and the 3rd interface, guiding valve have with valve pocket every
From first connection chamber connect chamber with second, when guiding valve is positioned at the first station, the first import connects with valve pocket,
First interface and the second interface are connected by the first connection chamber, and the 3rd interface and the second import are by the second connection
Chamber connects；When guiding valve is positioned at the second station, the first import is connected with first interface by valve pocket, and second connects
Mouth connects chamber with the 3rd interface by first and connects, the second inlet communication to second connection chamber.
In 5 way valve provided by the present invention, 5 way valve includes two imports and three interfaces,
In the two import, only one of which can be matched by guiding valve and three interfaces, forms two circulation passages, real
Now refrigeration and the switching of heating condition.So, when by between this 5 way valve and supplementary heat exchanger
When realizing connecting, it is possible to realize supplementary heat exchanger circulation when refrigeration, system by the position of change-over pilot valve
Cut off and store cold-producing medium during heat, and remain that supplementary heat exchanger is positioned at high-pressure side, and only need to pass through
The position of spool control valve can conveniently realize, can be cost-effective, reduces simultaneously and controls difficulty.
Accompanying drawing explanation
Fig. 1 is the structural representation of cross valve of the prior art；
Fig. 2 is the air conditioning system of the prior art fundamental diagram when being in refrigerating state；
Fig. 3 is the fundamental diagram that air conditioning system of the prior art is in when heating state；
Fig. 4 is the structural representation of the five-way valve of the embodiment of the present invention；
Fig. 5 is the air conditioning system of embodiment of the present invention fundamental diagram when being in refrigerating state；
Fig. 6 is that the air conditioning system of the embodiment of the present invention is in fundamental diagram when heating state.
Description of reference numerals: 1, compressor；2,5 way valve；3, supplementary heat exchanger；4, outdoor is changed
Hot device；5, indoor heat exchanger；6, throttling arrangement；10, valve body；20, valve pocket；30, valve seat；40、
Guiding valve；50, the first connection chamber；60, the second connection chamber；70, piston；80, pilot valve；90, conduit.
Detailed description of the invention
Hereinafter embodiments of the invention are described in detail, but the present invention can be defined by the claims and
The multitude of different ways covered is implemented.
In figure, the direction of arrow is the flow direction of cold-producing medium.
Shown in Figure 4, the invention provides a kind of 5 way valve, including valve body 10, valve body 10 has
Having valve pocket 20, be fixedly installed valve seat 30 in valve pocket 20, valve seat 30 slides is provided with guiding valve 40, and five
Logical reversal valve includes that the first import D1, the second import D2, first interface E, the second interface S and the 3rd connect
Mouth C, guiding valve 40 has first isolated with valve pocket 20 and connects chamber 50 and the second connection chamber 60, works as guiding valve
40 when being positioned at the first station, and the first import D1 connects with valve pocket 20, first interface E and the second interface S
Being connected by the first connection chamber 50, the 3rd interface C and the second import D2 is connected by the second connection chamber 60；
When guiding valve 40 is positioned at the second station, the first import D1 is connected with first interface E by valve pocket 20, the
Two interface S and the 3rd interface C are connected by the first connection chamber 50, and the second import D2 is communicated to the second connection
Chamber 60.
In the present embodiment, the first import D1, the second import D2, first interface E, the second interface S and
3rd interface C is respectively positioned on the inwall of valve body 10, valve seat 30 is provided with the second import D2,
The through hole that one interface E, the second interface S and the 3rd interface C are connected, in order to the second import D2, first connect
Mouth E, the second interface S and the 3rd interface C can mutually be directly realized by connection or connect between valve pocket 20.
Can also arrange on valve seat 30 with the first import D1, the second import D2, first interface E, second connect
Mouth S and the 3rd corresponding through hole of interface C, now in order to have the installing space of the first import D1, valve body
The length of 10 needs to lengthen.In such cases, the first import D1, the second import D2, first interface E,
Second interface S and the 3rd interface C is arranged side by side along the glide direction of guiding valve 40.
In the present embodiment as a example by 5 way valve is applied in air conditioning system to the structure of 5 way valve in addition
Explanation.When using the work of this 5 way valve, owing to two imports of 5 way valve only have a job,
By the switching to the two import step state, it is possible to achieve air conditioning system refrigeration and the switching of heating condition,
Therefore the import of one of them import of 5 way valve Yu supplementary heat exchanger together can be connected to compressor,
Another import is connected to the outlet of supplementary heat exchanger, by the position of spool control valve, it is possible to make easily
Cold-producing medium flows through supplementary heat exchanger, makes supplementary heat exchanger participate in kind of refrigeration cycle, or makes refriger-ant section enter
Supplementary heat exchanger stores, and subparticipation heats circulation, and supplementary heat exchanger is not involved in circulation.This kind of knot
Structure has only to the position of spool control valve and can conveniently realize the duty of supplementary heat exchanger and adjust, and can begin
Supplementary heat exchanger is made to be positioned at high-pressure side eventually, therefore can be cost-effective, and 5 way valve can be reduced
Control difficulty.
Certainly, the traffic organising of fluid in this 5 way valve can be used for other system.
Preferably, when guiding valve 40 is positioned at the second station, the edge of valve seat 30 exceeds the edge of guiding valve 40,
And slipper seal coordinates between the sliding surface of valve seat 30 and the sliding surface of guiding valve 40., when guiding valve 40 is positioned at
During two stations, it is in the leftmost side of valve seat 30, now owing to the edge of valve seat 30 is still beyond guiding valve 40
Edge, therefore can ensure that the second connection chamber 60 of guiding valve 40 remain by valve seat 30 and valve pocket 20 it
Between realize isolation, the most now the second import D2 only connect chamber 60 and realizes connecting with second, and connects with other
Do not connect between mouth and valve pocket 20.
The two ends of guiding valve 40 are provided with piston 70, and piston 70 is connected with guiding valve 40, and band movable pulley 40 arrives
Reaching the first station or the second station, when guiding valve 40 is positioned at the first station, the edge of valve seat 30 extends to lean on
The inner face of the piston 70 of nearly second import D2.The edge of valve seat 30 extends close to the second import D2's
The inner face of piston 70, it is ensured that it is close that valve seat 30 has that enough length ensures between guiding valve 40
Envelope coordinates, and prevents again valve seat 30 from the motion of piston 70 is caused obstruction, it is ensured that guiding valve 40 position smooth
Adjust.
Preferably, the first import D1 is positioned at the first side of valve body 10, the second import D2, first interface E,
Second interface S and the 3rd interface C is positioned at second side relative with the first side of valve body 10.Owing to first enters
There is no direct matching relationship between mouth D1 and guiding valve 40, therefore the first import D1 is arranged on valve body 10
The first side, and other four mouths between the position of guiding valve 40 with direct relation are arranged at should
The second side that first side is relative, on the one hand can make full use of the structure of valve body 10, on the other hand can avoid
Enough dodge space in order to stay to the first import D1 and need to design the problem of longer valve body, reduce
The design difficulty of valve body 10, also reduces the materials of valve body 10, reduces cost.
5 way valve also includes that pilot valve 80, pilot valve 80 are connected to valve body 10 by conduit 90, pass through
Pressure differential, promotes the residing station of piston 70 spool control valve 40.
It is arcs of recesses that first connection chamber 50 connects chamber 60 away from a side bottom of valve seat 30 with second.This concave arc
Shape can enter at cold-producing medium and forms buffering after the first connection chamber 50 connects with second in chamber 60 and guide,
Cold-producing medium is avoided caused by the impact of cold-producing medium with the second diapire connecting chamber 60 in first connection chamber 50
Impact wear, improves the service life of guiding valve 40.
This 5 way valve can be solenoid directional control valve, it is also possible to for pilot operated directional control valve etc..
In conjunction with seeing shown in Fig. 5 and Fig. 6, according to embodiments of the invention, air conditioning system include compressor 1,
Supplementary heat exchanger 3, reversal valve, outdoor heat exchanger 4, indoor heat exchanger 5 and throttling arrangement 6, reversal valve is
Above-mentioned 5 way valve 2, the outlet of compressor 1 is respectively connecting to the first import D1 of 5 way valve 2
With the import of supplementary heat exchanger 3, the outlet of supplementary heat exchanger 3 is connected to the second import of 5 way valve 2
D2, the first interface E of 5 way valve 2 are connected to the second port of indoor heat exchanger 5,5 way valve
The second interface S of 2 is connected to the import of compressor 1, and the 3rd interface C of 5 way valve 2 is connected to room
First port of external heat exchanger 4, throttling arrangement 6 is disposed in the outdoor the second port of heat exchanger 4 and changes with indoor
On pipeline between first port of hot device 5.
Throttling arrangement 6 for example, electric expansion valve.
In conjunction with shown in Figure 5, when air conditioning system is in refrigerating state, 5 way valve 2 is positioned at first
Station, the now outlet of compressor 1 connects logical first import D1 and the import of supplementary heat exchanger 3 respectively,
Second import D2 of 5 way valve 2 is communicated to the outlet of supplementary heat exchanger 3, the of 5 way valve 2
One interface E is communicated to the second port of indoor heat exchanger 5, and the second interface S of 5 way valve 2 is communicated to
The import of compressor 1, by the first connection between the first interface E and the second interface S of 5 way valve 2
Chamber 50 connects, and the 3rd interface C of 5 way valve 2 is communicated to the first port of outdoor heat exchanger 4, and five
Connected by the second connection chamber 60 between second import D2 and the 3rd interface C of logical reversal valve.
After cold-producing medium flows out in compressor 1, a part enters in valve pocket 20 by the first import D1,
Owing to valve pocket 20 is closed, in therefore this some refrigerant is trapped in valve pocket 20；Another part cold-producing medium flows through
After supplementary heat exchanger 3 is supercool, after the second import D2 and the 3rd interface C, enters into outdoor heat exchanger 4 enter
Row heat exchange, carries out heat exchange in entering into indoor heat exchanger 5 afterwards after throttling arrangement 6 throttling expansion,
Cold-producing medium after heat exchange enters into compressor after the first interface E and the second interface S of 5 way valve 2
In 1, continue to participate in circularly cooling.Now supplementary heat exchanger 3 can increase the heat exchange area of air conditioning system,
Improve the heat transfer effect of air conditioning system.
In conjunction with shown in Figure 6, when air conditioning system is in and heats state, 5 way valve 2 is positioned at second
Station, the now outlet of compressor 1 connects logical first import D1 and the import of supplementary heat exchanger 3 respectively,
Second import D2 of 5 way valve 2 is communicated to the outlet of supplementary heat exchanger 3, the of 5 way valve 2
One interface E is communicated to the second port of indoor heat exchanger 5, the first interface E and first of 5 way valve 2
Being connected by valve pocket 20 between import D1, the second interface S of 5 way valve 2 is communicated to compressor 1
Import, the 3rd interface C of 5 way valve 2 is communicated to the first port of outdoor heat exchanger 4, and five-way commutates
Connected by the first connection chamber 50 between second interface S and the 3rd interface C of valve 2,5 way valve 2
Second import D2 enter second connection chamber 60 after sealed by guiding valve 40.
After cold-producing medium flows out in compressor 1, a part enters in valve pocket 20 by the first import D1,
Indoor heat exchanger 5 is entered through first interface E afterwards, then after throttling arrangement 6 throttles by valve pocket 20
Carry out heat exchange in entering into outdoor heat exchanger 4, after flow back into compression through the 3rd interface C and the second interface S
In machine 1, continue to participate in circulation.The cold-producing medium that another part flows out in compressor 1 enters into auxiliary heat-exchanging
In device 3, owing to the outlet of supplementary heat exchanger 3 is blocked by guiding valve 40, therefore this some refrigerant enters into auxiliary
Storing in helping heat exchanger 3, now supplementary heat exchanger 3 is not engaged in the heat transfer process of air conditioning system,
Simply play the effect of temporary cold-producing medium.
Above-mentioned control structure directly can conveniently be realized by the position adjustment of guiding valve 40, therefore simple in construction,
Control cost relatively low.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for ability
For the technical staff in territory, the present invention can have various modifications and variations.All in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvement etc. made, should be included in protection scope of the present invention it
In.
Claims (8)
1. a 5 way valve, including valve body (10), described valve body (10) has valve pocket (20), described valve
Being fixedly installed valve seat (30) in chamber (20), the upper slip of described valve seat (30) is provided with guiding valve (40),
It is characterized in that, described 5 way valve includes the first import, the second import, first interface, second connects
Mouth and the 3rd interface, described guiding valve (40) has first isolated with described valve pocket (20) and connects chamber (50)
Chamber (60) is connected with second,
When described guiding valve (40) is positioned at the first station, described first import is with described valve pocket (20) even
Logical, described first interface and described second interface connect chamber (50) connection by described first, and described the
Three interfaces connect chamber (60) with described second import by described second and connect；
When described guiding valve (40) is positioned at the second station, described valve pocket (20) is passed through in described first import
Connecting with described first interface, described second interface connects chamber with described 3rd interface by described first
(50) connection, described second inlet communication is to described second connection chamber (60).
5 way valve the most according to claim 1, it is characterised in that when described guiding valve (40) is positioned at
During two stations, the edge of described valve seat (30) is beyond the edge of described guiding valve (40), and described valve seat
(30) between sliding surface and the sliding surface of described guiding valve (40), slipper seal coordinates.
5 way valve the most according to claim 2, it is characterised in that the two ends of described guiding valve (40) are even
Being connected to piston (70), described piston (70) drives described guiding valve (40) to arrive the first station or second
Station, when described guiding valve (40) is positioned at the first station, the edge of described valve seat (30) extends to lean on
The inner face of the described piston (70) of the most described second import.
5 way valve the most according to any one of claim 1 to 3, it is characterised in that described first enters
Mouth is positioned at the first side of described valve body (10), described second import, described first interface, described second
Interface is positioned at second side relative with the first side of described valve body (10) with described 3rd interface.
5 way valve the most according to any one of claim 1 to 3, it is characterised in that described five-way changes
Also include pilot valve (80) to valve, described pilot valve (80) is connected to described valve by conduit (90)
Body (10), by pressure differential, promotes described piston (70) to control the residing station of described guiding valve (40).
5 way valve the most according to any one of claim 1 to 3, it is characterised in that described first even
It is concave arc that cavity (50) connects chamber (60) away from a side bottom of described valve seat (30) with described second
Shape.
7. an air conditioning system, including compressor (1), supplementary heat exchanger (3), reversal valve, outdoor heat exchanger (4),
Indoor heat exchanger (5) and throttling arrangement (6), it is characterised in that described reversal valve is claim 1
To the 5 way valve (2) according to any one of 6, the outlet of described compressor (1) is respectively connecting to
First import of described 5 way valve (2) and the import of described supplementary heat exchanger (3), described auxiliary
The outlet of heat exchanger (3) is connected to the second import of described 5 way valve (2), and described five-way commutates
The first interface of valve (2) is connected to the second port of described indoor heat exchanger (5), and described five-way commutates
Second interface of valve (2) is connected to the import of described compressor (1), described 5 way valve (2)
The 3rd interface be connected to the first port of described outdoor heat exchanger (4), described throttling arrangement (6) sets
Put described outdoor heat exchanger (4) the second port and described indoor heat exchanger (5) the first port it
Between pipeline on.
Air conditioning system the most according to claim 7, it is characterised in that described throttling arrangement (6) is electronics
Expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239638.5A CN106288543B (en) | 2015-05-11 | 2015-05-11 | Five-way reversing valve and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510239638.5A CN106288543B (en) | 2015-05-11 | 2015-05-11 | Five-way reversing valve and air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106288543A true CN106288543A (en) | 2017-01-04 |
| CN106288543B CN106288543B (en) | 2020-09-08 |
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ID=57630730
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510239638.5A Active CN106288543B (en) | 2015-05-11 | 2015-05-11 | Five-way reversing valve and air conditioning system |
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| CN (1) | CN106288543B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883552A (en) * | 2017-12-12 | 2018-04-06 | 珠海格力电器股份有限公司 | Five-way valve, air conditioning unit and control method |
| CN110027387A (en) * | 2018-01-12 | 2019-07-19 | 法雷奥热***公司 | Air-conditioning system, module and corresponding method with five-way valve |
| CN115031444A (en) * | 2021-03-05 | 2022-09-09 | 约克广州空调冷冻设备有限公司 | Heat pump system |
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| CN101762129A (en) * | 2008-12-26 | 2010-06-30 | 浙江三花股份有限公司 | Flow passage switching valve and heat pump type air conditioner |
| CN201651430U (en) * | 2010-02-05 | 2010-11-24 | 清华大学 | Five-way valve for switching over natural cooling mode, refrigerating mode and heating mode |
| CN201934721U (en) * | 2010-07-07 | 2011-08-17 | 雷宜东 | Reversing valve of five-way heat pump hot-water air conditioner |
| CN102235522A (en) * | 2010-04-30 | 2011-11-09 | 浙江三花制冷集团有限公司 | Heat exchange equipment and reversing valve thereof |
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| JPH04177067A (en) * | 1990-11-09 | 1992-06-24 | Saginomiya Seisakusho Inc | Defrosting method in reversible refrigeration cycle, and five-way reversing valve with defrosting valve |
| CN101762129A (en) * | 2008-12-26 | 2010-06-30 | 浙江三花股份有限公司 | Flow passage switching valve and heat pump type air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107883552A (en) * | 2017-12-12 | 2018-04-06 | 珠海格力电器股份有限公司 | Five-way valve, air conditioning unit and control method |
| CN110027387A (en) * | 2018-01-12 | 2019-07-19 | 法雷奥热***公司 | Air-conditioning system, module and corresponding method with five-way valve |
| CN115031444A (en) * | 2021-03-05 | 2022-09-09 | 约克广州空调冷冻设备有限公司 | Heat pump system |
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| CN106288543B (en) | 2020-09-08 |
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