CN102155826A - One-way movable throttle valve and air-conditioning outdoor unit using same - Google Patents
One-way movable throttle valve and air-conditioning outdoor unit using same Download PDFInfo
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- CN102155826A CN102155826A CN 201010587759 CN201010587759A CN102155826A CN 102155826 A CN102155826 A CN 102155826A CN 201010587759 CN201010587759 CN 201010587759 CN 201010587759 A CN201010587759 A CN 201010587759A CN 102155826 A CN102155826 A CN 102155826A
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Abstract
The invention discloses a one-way movable throttle valve and an air-conditioning outdoor unit using same. The one-way movable throttle valve comprises a tubular valve body in which a valve seat and a filter net are arranged, wherein a circulating hole and a sliding way communicated with each other are arranged in the valve seat; a movable valve core with small axial holes is arranged in the sliding way; the valve core is in transitional fit with a cavity of the sliding way; a plurality of flow guide holes are arranged on a side wall of one end of the sliding way close to the circulating hole; and a clearance communicated with the flow guide holes is reserved between an outer wall of the valve seat of the sliding way and an inner wall of the valve body. Through using brand new designs of the sliding way and the valve core, the invention has the advantages of simple structure, convenience for machining and low cost and is beneficial for miniaturizations of the valve core and the valve body. A throttling device used by the air-conditioning outdoor unit is the one-way movable throttle valve; and because the one-way movable throttle valve is introduced, the outdoor unit can be directly vacuumized and filled with a refrigerant through high and low pressure valves in the production process.
Description
Technical field
The present invention relates to a kind of choke valve, relate in particular to a kind of unidirectional movable choke valve and use its air-conditioner outdoor unit.
Background technology
In the prior art, the structure of air-conditioning composition mainly contains compressor, condensing unit, throttle part and evaporimeter and forms.In air-conditioning system, throttle part is the critical piece of decision heat pump performance.Traditional restricting element great majority adopt the capillary module throttling, and the mode that is to use single capillary to add filter in single cold air conditioning system is carried out, and in air conditioner, some is the installation of coming of main capillary and assisted capillary check valve assembly branch.Capillary is to produce according to the processing technology of tubing, and capillary production and processing link need be considered following fluctuating factor: internal diameter, inner wall roughness, length, cleannes, wall thickness, port shape size, capillary cylindricity, the coiling number of turns etc.
Capillary artificial link in process is many, the processing technology complexity, capillary is to realize different restriction effects by changing length capillaceous with the aperture simultaneously, but difference along with air-conditioning system, capillary pipe length, aperture are ever-changing, are unfavorable for the standardization mass production, simultaneously because the capillary module copper consumption is big, along with rising steadily of copper valency, Air-conditioning Enterprise is more and more stronger by the demand that cost falls in minimizing air-conditioning copper consumption.But therefore increasing Air-conditioning Enterprise adopts the choke valve of standardized production to replace capillary module.
CN200940727Y discloses a kind of one-way throttle valve that is used for heat pump air conditioner, comprise the one-way throttle valve body, body comprises valve body, and sealing and fixing has valve seat in the valve body, valve seat is made up of valve opening and slideway, be provided with slidably spool in the slideway, spool is provided with axial pore, and slideway one end is communicated with valve opening, the other end is provided with reticulum, be fixedly connected with filter screen on the reticulum port, valve body and valve base sealing are fixed, and spool and valve seat adopt the sphere linear sealing.Though a kind of one-way throttle valve that is used for heat pump air conditioner of above-mentioned utility model can substitute capillary module, but spool has three rib pieces outward, have the boss that matches with valve base inner wall on the rib piece, complex structure, processing difficulties, owing to the introducing of triangular block, the choke valve external diameter is bigger, the cost height simultaneously.
As shown in Figure 7 and Figure 8, the capillary 75 that existing air-conditioner outdoor unit generally comprises outdoor heat exchanger 72, compressor 71, high pressure valve 74, low pressure valve 73 and connects high pressure valve 74 and outdoor heat exchanger 72, capillary is used for the cold-producing medium expenditure and pressure.Usually when producing air-conditioner outdoor unit, because the capillary aperture is too little, outdoor heat exchanger 71 is vacuumized by vavuum pump 77 or when filling cold-producing medium by refrigerant tank 78, at first on pipeline between high pressure valve and the outdoor heat exchanger, add a process duct 76, be used to vacuumize or annotate cold-producing medium, again with the flat soldering and sealing of technology pipe clamp, operate very not convenient after finishing.
Summary of the invention
The invention provides a kind of unidirectional movable choke valve, solved that one-way fashion choke valve structural design was unreasonable in the past, processing difficulties, the problem of sealing difference between spool and opening.
A kind of unidirectional movable choke valve, the valve body that comprises tubulose, be provided with valve seat and screen pack in the valve body, be provided with the opening and the slideway of connection in the valve seat, be provided with movably tape spool in the slideway to the spool of aperture, described spool and slideway inner chamber interference fits, slideway is provided with some pod apertures near the sidewall of opening one end, leaves the gap that is communicated with pod apertures between the valve seat outer wall at slideway place and the valve interior wall.
Spool is connected opening with slideway a end cooperates by sphere or conical surface seal, makes the better tightness between spool and slideway, prevents that fluid from flowing out from the space between spool and slideway inner chamber.
Slideway is away from the radially reducing of an end of opening, spool carried out spacing, prevents that spool from deviating from slideway, and easy to process.
Screen pack and slideway radially necking end are close, can perhaps be fixed on separately on the valve body by being welded and fused between screen pack and the valve body, prevent that foreign matter from flowing into the obstruction choke valve.
The spool two ends are provided with chamfering, by chamfering guiding fluid, change the noise that causes because of violent sectional area when the minimizing fluid flows through.
In order to make spool processing simpler, the spool profile can be chosen as cylindrical.
The present invention also provides a kind of air-conditioner outdoor unit, comprises compressor, outdoor heat exchanger, high pressure valve and the throttling arrangement that connects high pressure valve and outdoor heat exchanger, and described throttling arrangement is above-mentioned unidirectional movable choke valve.
The present invention also provides the method for vacuumizing of a kind of above-mentioned air-conditioner outdoor unit and filled cold-producing medium, comprise: vavuum pump is connected high pressure valve and low pressure valve, outdoor heat exchanger is bled, and being evacuated to vacuum is below the 30Pa, then by high pressure valve outdoor heat exchanger is filled cold-producing medium.
The present invention has improved sealing by being sealed and matched of slideway and spool, and simple in structure, and is easy to process with low cost, helps the miniaturization of spool and valve body simultaneously.
The Ben Mingfa air-conditioner outdoor unit is realized the expenditure and pressure of air-conditioning refrigerant by unidirectional movable choke valve, in the off-premises station manufacture process, not needing to establish in addition a process duct is used for off-premises station is vacuumized and injects cold-producing medium, and directly fill by high pressure valve, reduced the production technology that the process duct in the production process fills, improve manufacturing efficient, reduced production cost.
Description of drawings
Fig. 1 is the explosive view of choke valve of the present invention;
Fig. 2 is the axial section of choke valve of the present invention;
Fig. 3 is a choke valve partial structurtes schematic diagram of the present invention;
Fig. 4 is the axial section of part throttle valve base shown in Figure 3 and spool;
Fig. 5 is a choke valve fluid shown in Figure 2 structural representation when flowing into;
Fig. 6 is a choke valve fluid shown in Figure 2 structural representation when flowing out;
Structural representation when Fig. 7 vacuumizes for existing air-conditioner outdoor unit;
Fig. 8 fills the structural representation of cold-producing medium for existing air-conditioner outdoor unit.
Structural representation when Fig. 9 vacuumizes for air-conditioner outdoor unit of the present invention;
Figure 10 fills the structural representation of cold-producing medium for air-conditioner outdoor unit of the present invention.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of unidirectional movable choke valve, the valve body 100 that comprises tubulose, be provided with valve seat 111 in the valve body 100, the opening 115 and the slideway 114 that have dead in line on the valve seat 111 and be interconnected are provided with movably tape spool to the spool 112 of aperture 116 in the slideway 114, spool 112 and slideway 114 inner chamber interference fits, and an end sphere fitted seal that is connected opening 115 with slideway 114 can certainly be that the linear sealing of other shape cooperates, as the conical surface etc.Slideway 114 is provided with pod apertures 118 near the sidewall of openings 115, leaves the gap that is communicated with pod apertures 118 between valve seat 111 outer walls at slideway 114 places and the valve interior wall.Slideway 114 is away from the radially reducing of an end of opening 115, spool 112 carried out spacing, prevents that it from deviating from.
The operation principle of above-mentioned choke valve is as follows:
As shown in Figure 5, when fluid when an end flows into valve body 100, at first pass through screen pack 117, after fluid fully mixes, because the effect of pressure, promoting spool 112 moves to opening 115, its end that is connected opening 115 with slideway 114 is sealed and matched, and fluid can only flow out valve seat 111 from axial aperture 116, opening 115 successively, and this moment, axial aperture 116 convection cells carried out throttling, by the aperture of axial aperture 116 is set, can accurately control the fluid flow of throttling.
As shown in Figure 6, when fluid when the other end flows into valve body 100, at first pass through opening 115, promotion spool 112 deviates from opening 115 and moves, stop motion after spool 112 is spacing by the necking end of slideway 114, the pod apertures 118 that fluid is opened from slideway 114 flows out, this moment axial aperture 116 not convection cell carry out throttling.
As shown in Figures 9 and 10, a kind of air-conditioner outdoor unit, form by compressor 81, outdoor heat exchanger 82, low pressure valve 83, high pressure valve 84 and unidirectional movable choke valve 85, when needs vacuumize by 84 pairs of outdoor heat exchangers 81 of high pressure valve, vavuum pump 86 connects high pressure valve 84 and low pressure valve 83, when bleeding, spool 112 will move to the side near opening 115, and air flows through from the axial aperture 116 of spool 112.
When (reaching production requirement) below the vacuum 30Pa in the outdoor heat exchanger, inject cold-producing medium by 84 pairs of outdoor heat exchangers of high pressure valve 82, high pressure valve 84 connects refrigerant tanks 87 at this moment, when filling, spool moves to an end of slideway 114 reducings, cold-producing medium passes through from the gap between pod apertures 118, valve seat and the valve body, cold-producing medium can be fed in the outdoor heat exchanger 82 fast.
Claims (7)
1. unidirectional movable choke valve, the valve body (100) that comprises tubulose, be provided with valve seat (111) and screen pack (117) in the valve body (100), be provided with the opening (115) and the slideway (114) of connection in the valve seat (111), be provided with movably tape spool in the slideway (114) to the spool (112) of aperture (116), it is characterized in that: described spool (112) and slideway (114) inner chamber interference fits, slideway (114) is provided with some pod apertures (118) near the sidewall of opening (115) one ends, leaves the gap that is communicated with pod apertures (118) between valve seat (111) outer wall at slideway (114) place and the valve interior wall.
2. unidirectional movable choke valve according to claim 1 is characterized in that: described spool (112) is connected opening (115) with slideway (114) a end cooperates by sphere or conical surface seal.
3. unidirectional movable choke valve according to claim 1 is characterized in that: described slideway (114) carries out spacing away from the radially reducing of an end of opening (115) to spool (112).
4. unidirectional movable choke valve according to claim 1 is characterized in that: described spool (112) two ends are provided with chamfering.
5. unidirectional movable choke valve according to claim 1 is characterized in that: described spool (112) is for cylindrical.
6. an air-conditioner outdoor unit comprises compressor, outdoor heat exchanger, high pressure valve and the throttling arrangement that connects high pressure valve and outdoor heat exchanger, and it is characterized in that: described throttling arrangement is the described unidirectional movable choke valve of claim 1.
7. the described air-conditioner outdoor unit of claim 6 vacuumizes and the method for filled cold-producing medium, comprise: vavuum pump is connected high pressure valve and low pressure valve, outdoor heat exchanger is bled, and being evacuated to vacuum is below the 30Pa, then by high pressure valve outdoor heat exchanger is filled cold-producing medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010587759 CN102155826A (en) | 2010-12-15 | 2010-12-15 | One-way movable throttle valve and air-conditioning outdoor unit using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010587759 CN102155826A (en) | 2010-12-15 | 2010-12-15 | One-way movable throttle valve and air-conditioning outdoor unit using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102155826A true CN102155826A (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010587759 Pending CN102155826A (en) | 2010-12-15 | 2010-12-15 | One-way movable throttle valve and air-conditioning outdoor unit using same |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537412A (en) * | 2010-12-31 | 2012-07-04 | 珠海格力电器股份有限公司 | One-way movable throttle valve, outdoor unit of air conditioner and filling and operating method of air conditioner |
| CN103363742A (en) * | 2012-03-28 | 2013-10-23 | 特灵国际有限公司 | Charge port for microchannel heat exchanger systems |
| CN103743172A (en) * | 2013-12-30 | 2014-04-23 | 西安邮电大学 | Air conditioner refrigerant anti-reflux safe injecting device |
| CN104266418A (en) * | 2014-10-21 | 2015-01-07 | 成都市翻鑫家科技有限公司 | One-way throttling valve with conveniently-dismounted filter screen and used for air conditioner |
| CN105627611A (en) * | 2014-10-28 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner |
| CN106247004A (en) * | 2016-08-26 | 2016-12-21 | 珠海格力电器股份有限公司 | Throttling arrangement and air-conditioner |
| CN108007023A (en) * | 2017-12-22 | 2018-05-08 | 珠海格力电器股份有限公司 | A kind of throttle current divider and air conditioner |
| CN108061412A (en) * | 2017-12-06 | 2018-05-22 | 珠海格力电器股份有限公司 | Cooling medium charging equipment and its control method |
| CN108151380A (en) * | 2018-01-05 | 2018-06-12 | 珠海格力电器股份有限公司 | A kind of throttle current divider and with its air conditioner |
| CN109612167A (en) * | 2018-12-05 | 2019-04-12 | 新昌县华亿机械有限公司 | A kind of mute throttle valve of shake-proof type |
| CN114135714A (en) * | 2020-09-03 | 2022-03-04 | 浙江盾安人工环境股份有限公司 | Throttle valve |
| CN114791184A (en) * | 2022-03-16 | 2022-07-26 | 青岛海尔空调器有限总公司 | Throttling device, air conditioner and method for vacuumizing and filling refrigerant into air conditioner |
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| CN2438964Y (en) * | 2000-06-28 | 2001-07-11 | 广东美的集团股份有限公司 | Outdoor unit of air conditioner |
| CN2898729Y (en) * | 2006-04-28 | 2007-05-09 | 赵敏 | One-way valve for hot-pump air conditioner |
| CN200940727Y (en) * | 2006-04-28 | 2007-08-29 | 赵敏 | One-way throttle valve for heat pump type air conditioner |
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| CN201373631Y (en) * | 2008-09-29 | 2009-12-30 | 浙江同星制冷有限公司 | Twin connection structure for air conditioning indoor unit and outdoor unit |
| CN201532062U (en) * | 2009-11-17 | 2010-07-21 | 海信（山东）空调有限公司 | One-way movable type throttle valve and air conditioner installed with same |
| CN201917152U (en) * | 2010-12-15 | 2011-08-03 | 赵敏 | Unidirectional moving type throttle valve and air-conditioning outdoor machine employing same |
-
2010
- 2010-12-15 CN CN 201010587759 patent/CN102155826A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2438964Y (en) * | 2000-06-28 | 2001-07-11 | 广东美的集团股份有限公司 | Outdoor unit of air conditioner |
| CN2898729Y (en) * | 2006-04-28 | 2007-05-09 | 赵敏 | One-way valve for hot-pump air conditioner |
| CN200940727Y (en) * | 2006-04-28 | 2007-08-29 | 赵敏 | One-way throttle valve for heat pump type air conditioner |
| CN201221880Y (en) * | 2008-06-02 | 2009-04-15 | 广东恒基金属制品实业有限公司 | Detachable one-way throttle valve |
| CN201373631Y (en) * | 2008-09-29 | 2009-12-30 | 浙江同星制冷有限公司 | Twin connection structure for air conditioning indoor unit and outdoor unit |
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| CN201917152U (en) * | 2010-12-15 | 2011-08-03 | 赵敏 | Unidirectional moving type throttle valve and air-conditioning outdoor machine employing same |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537412A (en) * | 2010-12-31 | 2012-07-04 | 珠海格力电器股份有限公司 | One-way movable throttle valve, outdoor unit of air conditioner and filling and operating method of air conditioner |
| CN103363742A (en) * | 2012-03-28 | 2013-10-23 | 特灵国际有限公司 | Charge port for microchannel heat exchanger systems |
| CN103363742B (en) * | 2012-03-28 | 2016-05-04 | 特灵国际有限公司 | Low capacity vapor compression air conditioning system |
| CN103743172A (en) * | 2013-12-30 | 2014-04-23 | 西安邮电大学 | Air conditioner refrigerant anti-reflux safe injecting device |
| CN103743172B (en) * | 2013-12-30 | 2016-08-17 | 西安邮电大学 | Air-conditioning refrigerant counterflow-preventing rushes safely dispensing device |
| CN104266418A (en) * | 2014-10-21 | 2015-01-07 | 成都市翻鑫家科技有限公司 | One-way throttling valve with conveniently-dismounted filter screen and used for air conditioner |
| CN105627611A (en) * | 2014-10-28 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner |
| CN106247004A (en) * | 2016-08-26 | 2016-12-21 | 珠海格力电器股份有限公司 | Throttling arrangement and air-conditioner |
| CN108061412A (en) * | 2017-12-06 | 2018-05-22 | 珠海格力电器股份有限公司 | Cooling medium charging equipment and its control method |
| CN108007023A (en) * | 2017-12-22 | 2018-05-08 | 珠海格力电器股份有限公司 | A kind of throttle current divider and air conditioner |
| CN108007023B (en) * | 2017-12-22 | 2023-07-04 | 珠海格力电器股份有限公司 | Throttle shunt and air conditioner |
| CN108151380A (en) * | 2018-01-05 | 2018-06-12 | 珠海格力电器股份有限公司 | A kind of throttle current divider and with its air conditioner |
| CN108151380B (en) * | 2018-01-05 | 2023-12-26 | 珠海格力电器股份有限公司 | Throttle shunt and air conditioner with same |
| CN109612167A (en) * | 2018-12-05 | 2019-04-12 | 新昌县华亿机械有限公司 | A kind of mute throttle valve of shake-proof type |
| CN114135714A (en) * | 2020-09-03 | 2022-03-04 | 浙江盾安人工环境股份有限公司 | Throttle valve |
| CN114135714B (en) * | 2020-09-03 | 2024-04-02 | 浙江盾安人工环境股份有限公司 | Throttle valve |
| CN114791184A (en) * | 2022-03-16 | 2022-07-26 | 青岛海尔空调器有限总公司 | Throttling device, air conditioner and method for vacuumizing and filling refrigerant into air conditioner |
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Application publication date: 20110817 |