CN109578635A - Check-valves and air-conditioning system - Google Patents
Check-valves and air-conditioning system Download PDFInfo
- Publication number
- CN109578635A CN109578635A CN201811595219.5A CN201811595219A CN109578635A CN 109578635 A CN109578635 A CN 109578635A CN 201811595219 A CN201811595219 A CN 201811595219A CN 109578635 A CN109578635 A CN 109578635A
- Authority
- CN
- China
- Prior art keywords
- sealing element
- check
- connecting line
- valves
- state
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 70
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Check Valves (AREA)
Abstract
The present invention provides a kind of check-valves and air-conditioning system.Check-valves, including connecting line and sealing element, one end of the sealing element is articulated on the connecting line, and the second state that the sealing element has the first state for closing the connecting line and enables flow through the connecting line, and in second state, the axis of plane locating for the sealing element and the connecting line has angle.Check-valves provided by the invention and air-conditioning system, by the way that sealing element is hinged on the inner wall of connecting line, so that the sealing element process that angle is gradually increased in opening process, and segment fluid flow is only needed to keep the aperture of sealing element when opening to appropriate location, and other fluids directly pass through, to effectively reduce crushing, overcome the problem of conventional check valves need the pressure extrusion spring by fluid and keep it turned on, and sealing element is in the second state, there is no vibrating back and forth, to avoid the problem that generating noise because of vibration.
Description
Technical field
The present invention relates to air conditioner technical field, especially a kind of check-valves and air-conditioning system.
Background technique
Within air-conditioning systems, the difference forced due to pressure at expulsion and pressure of inspiration(Pi) is larger, is easy when air-conditioning system is shut down
The phenomenon that existing reverse flowing of air flows, i.e., the high pressure gas in condenser is redirected back into exhaust outlet of compressor, leads to the impeller of compressor
By greater impact, when serious impeller is inverted, can so reduce the service life of impeller, influence air-conditioning system can
By property.Therefore, technically check-valves can be configured on the exhaust pipe assembly of such unit, to prevent reverse flowing of air flows.Market at present
On have many miscellaneous check-valves, can be divided into according to the reset form of valve plate has spring reset type, gravity reduction type etc.,
However existing check-valves can generate biggish crushing in switching, and can shake because of the dynamic resistance of fluid flowing
It is dynamic, and then there is the problem of biggish noise.
Summary of the invention
Check-valves crushing is excessive and the excessive technical problem of noise in order to solve, and provides that a kind of crushing is small and noise is small
Check-valves and air-conditioning system.
A kind of check-valves, including connecting line and sealing element, one end of the sealing element are articulated on the connecting line,
And the second state that the sealing element has the first state for closing the connecting line and enables flow through the connecting line,
And in second state, the axis of plane locating for the sealing element and the connecting line has the folder of angle at an acute angle
Angle.
The check-valves further includes articulation piece, and the articulation piece is fixedly installed on the inner wall of the connecting line, and institute
The edge of the free end and the sealing element of stating articulation piece is fixedly installed.
Position limiting structure is provided between the sealing element and the first end of the connecting line, and in the first state
When, the sealing element is connected on the position limiting structure.
Protrusion is formed on the inner wall of the connecting line, it is described to convex to form the position limiting structure.
It is described protrusion be annular projection, and the annular projection backwards to the first end first side and the sealing element
Corresponding end surface sealed set.
It is formed and is recessed to the first end in the first side, and be provided on the sealing element and protrude into the recess
Seal convexity.
The edge of the seal convexity is provided with rounded corner, and is provided in the recess corresponding with the rounded corner
Arc structure.
In the first state, the angle of the angle α of the axis of plane locating for the sealing element and the connecting line
It is 90 °, and/or in second state, the angle α angle of the axis of plane locating for the sealing element and the connecting line
Range is 90 ° of 60 °≤α <.
The sealing element is provided with fitting on the side of the position limiting structure, and at α=60 °, the abutting
Part is connected to the inner wall of the connecting line far from one end of the sealing element.
The cross section of the connecting line is annular, and the sealing element is and the matched disc-shaped structure of the circular phase.
The first end of the connecting line forms the entrance of the check-valves.
A kind of air-conditioning system, including above-mentioned check-valves.
The air-conditioning system further includes compressor and condenser, the entrance of the exhaust outlet of the compressor and the check-valves
Connection, and the outlet of the check-valves is connected to the entrance of condenser.
The condenser is shell and tube condenser.
The condenser has two entrances, and outlet of the two entrances with the check-valves.
One entrance is in the first end of the condenser, and another entrance is in the second of the condenser
End.
The axis of the check-valves is arranged along the horizontal plane.
Check-valves provided by the invention and air-conditioning system, by the way that sealing element is hinged on the inner wall of connecting line, so that
The sealing element process that angle is gradually increased in opening process, and only need segment fluid flow to sealing when opening to appropriate location
The aperture of part is kept, and other fluids directly pass through, to effectively reduce crushing, overcome conventional check valves need according to
By fluid pressure extrusion spring and the problem of keep it turned on, and sealing element, in the second state, there is no shake back and forth
Dynamic problem, to avoid the problem that generating noise because of vibration.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the check-valves of the embodiment of check-valves provided by the invention and air-conditioning system；
Fig. 2 is the structural schematic diagram of the air-conditioning system of the embodiment of check-valves provided by the invention and air-conditioning system；
In figure:
1, connecting line；2, sealing element；3, articulation piece；4, position limiting structure；5, fitting；6, compressor；7, condenser.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments
The present invention is further elaborated.It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, not
For limiting the present invention.
Check-valves as depicted in figs. 1 and 2, including connecting line 1 and sealing element 2, one end of the sealing element 2 are articulated with
On the connecting line 1, and the sealing element 2 has the first state for closing the connecting line 1 and enables flow through described
Second state of connecting line 1, and in second state, the axis of plane locating for the sealing element 2 and the connecting line 1
Line has the angle of angle at an acute angle, namely in sealing element 2 in first state and the switching of the second state, is to utilize hinged rotation
Mode switch over, make sealing element 2 formed door body, connecting line 1 formed doorframe structure so that sealing element 2 was being opened
The process that angle is gradually increased when journey, and aperture progress of the segment fluid flow to sealing element 2 is only needed when opening to appropriate location
It keeps, and other fluids directly pass through, to effectively reduce crushing, overcome the pressure that conventional check valves need to rely on fluid
The problem of squeezing spring and keeping it turned on.
The check-valves further includes articulation piece 3, and the articulation piece 3 is fixedly installed on the inner wall of the connecting line 1, and
The free end of the articulation piece 3 and the fixed setting of the edge of the sealing element 2 namely articulation piece 3 play the role of folding, thus
Guarantee the effective switching of sealing element 2 between the first state and a second state, the special articulation piece 3 includes articulated shaft, institute
Articulated shaft is stated to be connected to through the connecting line 1 with outside in the case where guaranteeing that connecting line 1 is sealed, thus convenient for users to
By the aperture or replacement articulated shaft of external control sealing element 2.
Position limiting structure 4 is provided between the sealing element 2 and the first end of the connecting line 1, and in first shape
When state, the sealing element 2 is connected on the position limiting structure 4, the angle that can prevent sealing element 2 from rotating using position limiting structure 4
It is excessive and connecting line 1 can not be fully sealed.
Protrusion is formed on the inner wall of the connecting line 1, it is described to convex to form the position limiting structure 4.
It is described protrusion be annular projection, and the annular projection backwards to the first end first side and the sealing element
2 corresponding end surface sealed set guarantees effectively close connecting line 1 when sealing element 2 is bonded with annular projection.
It is formed and is recessed to the first end in the first side, and be provided on the sealing element 2 and protrude into the recess
Seal convexity, protrude into partial seal 2 in recess, increase sealing effect.
The edge of the seal convexity is provided with rounded corner, and is provided in the recess corresponding with the rounded corner
Arc structure, facilitate seal convexity enter or abjection recess.
In the first state, the angle of the angle α of the axis of plane locating for the sealing element 2 and the connecting line 1
Degree is 90 °, and/or in second state, the angle α of the axis of plane locating for the sealing element 2 and the connecting line 1
Angular range is 90 ° of 60 °≤α < namely the maximum opening angle of sealing element 2 is 60 °, makes fluid in reverse flow, can
Sealing element 2 is effectively pressure bonded to first state, thus realize effectively sealing, and when opening angle is greater than 60 °, fluid is given
For the component that sealing element 2 switches to first state to be unable to satisfy to the movement of sealing element 2 in the power of sealing element 2, to seal
The maximum opening angle of part 2 must not drop below 60 °.
The sealing element 2 is provided with fitting 5 on the side of the position limiting structure 4, and at α=60 °, described to support
Fitting 5 is connected to the inner wall of the connecting line 1 far from one end of the sealing element 2, prevents the aperture of sealing element 2 excessive and makes
The problem of first state can not be switched at sealing element 2.
The cross section of the connecting line 1 is annular, and the sealing element 2 is and the matched discoid knot of the circular phase
Structure.
The first end of the connecting line 1 forms the entrance of the check-valves, and the second end of the connecting line 1 forms institute
State the outlet of check-valves.
A kind of air-conditioning system, including above-mentioned check-valves.
The air-conditioning system further includes compressor 6 and condenser 7, exhaust outlet and the check-valves of the compressor 6
Entrance connection, and the outlet of the check-valves is connected to the entrance of condenser 7.
The condenser 7 is shell and tube condenser 7.
The condenser 7 has two entrances, and outlet of the two entrances with the check-valves, and air-flow passes through two
The distribution of a entrance, so that the refrigerant of carrying lubricating oil is before contact flush system filter, distribution is more uniform, is conducive to uniform high-efficiency
Using all strainer sieving actoions, experiments have shown that single entry structure is compared, the built-in oil separating condenser 7 of same area strainer,
Double entrance structure oil filter effects are higher.
One entrance is in the first end of the condenser 7, and another entrance is in the second of the condenser 7
End.
The axis of the check-valves is arranged along the horizontal plane, so that articulation piece is not necessarily to overcome valve check-valves during the shutdown process
Gravity, to increase the degree of regulation of check-valves.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (12)
1. a kind of check-valves, it is characterised in that: including connecting line (1) and sealing element (2), one end of the sealing element (2) is cut with scissors
It is connected on the connecting line (1), and the sealing element (2) has the first state for closing the connecting line (1) and makes to flow
Body is by the second state of the connecting line (1), and in second state, plane and institute locating for the sealing element (2)
The axis for stating connecting line (1) has the angle of angle at an acute angle.
2. check-valves according to claim 1, it is characterised in that: the check-valves further includes articulation piece (3), described hinged
Part (3) is fixedly installed on the inner wall of the connecting line (1), and the free end of the articulation piece (3) and the sealing element (2)
Edge fixed setting.
3. check-valves according to claim 1, it is characterised in that: the of the sealing element (2) and the connecting line (1)
Position limiting structure (4) are provided between one end, and in the first state, the sealing element (2) is connected to the position limiting structure
(4) on.
4. check-valves according to claim 3, it is characterised in that: it is formed with protrusion on the inner wall of the connecting line (1),
It is described to convex to form the position limiting structure (4).
5. check-valves according to claim 3, it is characterised in that: in the first state, the sealing element (2) is locating
The angle of the angle α of the axis of plane and the connecting line (1) is 90 °, and/or in second state, the sealing
The angle α angular range of the axis of plane locating for part (2) and the connecting line (1) is 90 ° of 60 °≤α <.
6. check-valves according to claim 3, it is characterised in that: the sealing element (2) is away from the position limiting structure (4)
Fitting (5) are provided on side, and at α=60 °, the fitting (5) is connected to far from the one end of the sealing element (2)
The inner wall of the connecting line (1).
7. check-valves according to claim 1, it is characterised in that: the cross section of the connecting line (1) is annular, described
Sealing element (2) be and the matched disc-shaped structure of the circular phase.
8. check-valves according to claim 3, it is characterised in that: the first end of the connecting line (1) forms described stop
Return the entrance of valve.
9. a kind of air-conditioning system, it is characterised in that: including check-valves described in any item of the claim 1 to 8.
10. air-conditioning system according to claim 9, it is characterised in that: the air-conditioning system further includes compressor (6) and cold
The exhaust outlet of condenser (7), the compressor (6) is connected to the entrance of the check-valves, and the outlet and condensation of the check-valves
The entrance of device (7) is connected to.
11. air-conditioning system according to claim 10, it is characterised in that: the condenser (7) has two entrances, and two
Outlet of a entrance with the check-valves.
12. air-conditioning system according to claim 9, it is characterised in that: the axis of the check-valves is arranged along the horizontal plane.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811595219.5A CN109578635A (en) | 2018-12-25 | 2018-12-25 | Check-valves and air-conditioning system |
| PCT/CN2019/112393 WO2020134406A1 (en) | 2018-12-25 | 2019-10-22 | Check valve and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811595219.5A CN109578635A (en) | 2018-12-25 | 2018-12-25 | Check-valves and air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109578635A true CN109578635A (en) | 2019-04-05 |
Family
ID=65931782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811595219.5A Withdrawn CN109578635A (en) | 2018-12-25 | 2018-12-25 | Check-valves and air-conditioning system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109578635A (en) |
| WO (1) | WO2020134406A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134406A1 (en) * | 2018-12-25 | 2020-07-02 | 珠海格力电器股份有限公司 | Check valve and air conditioning system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106220A (en) * | 1961-09-13 | 1963-10-08 | Atwood & Morrill Co Inc | Check valve, with dashpot |
| KR790001595Y1 (en) * | 1978-07-24 | 1979-09-15 | 김열문 | Check valve |
| US6237621B1 (en) * | 1996-07-19 | 2001-05-29 | Robert B. Chaffee | Valve for inflatable objects |
| CN204345003U (en) * | 2014-12-10 | 2015-05-20 | 福建雪人股份有限公司 | A kind of single flap valve |
| CN106931194A (en) * | 2015-12-31 | 2017-07-07 | 中国核动力研究设计院 | A kind of check-valves that valve flap structure is opened with low voltage difference |
| CN107763255A (en) * | 2017-11-17 | 2018-03-06 | 珠海格力电器股份有限公司 | A kind of convertible check-valves, compressor and air-conditioning equipment |
| CN209430810U (en) * | 2018-12-25 | 2019-09-24 | 珠海格力电器股份有限公司 | Check-valves and air-conditioning system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2335714B (en) * | 1998-03-24 | 2002-10-09 | Universal Master Products Ltd | Method and apparatus for refrigerant sealing |
| JP2001159472A (en) * | 1999-12-01 | 2001-06-12 | Fuji Koki Corp | Electrically operated flow control valve |
| CN207500552U (en) * | 2017-11-17 | 2018-06-15 | 珠海格力电器股份有限公司 | A kind of convertible check-valves, compressor and air-conditioning equipment |
| CN109578635A (en) * | 2018-12-25 | 2019-04-05 | 珠海格力电器股份有限公司 | Check-valves and air-conditioning system |
-
2018
- 2018-12-25 CN CN201811595219.5A patent/CN109578635A/en not_active Withdrawn
-
2019
- 2019-10-22 WO PCT/CN2019/112393 patent/WO2020134406A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3106220A (en) * | 1961-09-13 | 1963-10-08 | Atwood & Morrill Co Inc | Check valve, with dashpot |
| KR790001595Y1 (en) * | 1978-07-24 | 1979-09-15 | 김열문 | Check valve |
| US6237621B1 (en) * | 1996-07-19 | 2001-05-29 | Robert B. Chaffee | Valve for inflatable objects |
| CN204345003U (en) * | 2014-12-10 | 2015-05-20 | 福建雪人股份有限公司 | A kind of single flap valve |
| CN106931194A (en) * | 2015-12-31 | 2017-07-07 | 中国核动力研究设计院 | A kind of check-valves that valve flap structure is opened with low voltage difference |
| CN107763255A (en) * | 2017-11-17 | 2018-03-06 | 珠海格力电器股份有限公司 | A kind of convertible check-valves, compressor and air-conditioning equipment |
| CN209430810U (en) * | 2018-12-25 | 2019-09-24 | 珠海格力电器股份有限公司 | Check-valves and air-conditioning system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134406A1 (en) * | 2018-12-25 | 2020-07-02 | 珠海格力电器股份有限公司 | Check valve and air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020134406A1 (en) | 2020-07-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190405 |
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| WW01 | Invention patent application withdrawn after publication |