CN102537412A - One-way movable throttle valve, air conditioner outdoor unit and air conditioner filling and operating method - Google Patents
One-way movable throttle valve, air conditioner outdoor unit and air conditioner filling and operating method Download PDFInfo
- Publication number
- CN102537412A CN102537412A CN2010106181498A CN201010618149A CN102537412A CN 102537412 A CN102537412 A CN 102537412A CN 2010106181498 A CN2010106181498 A CN 2010106181498A CN 201010618149 A CN201010618149 A CN 201010618149A CN 102537412 A CN102537412 A CN 102537412A
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- throttle valve
- valve
- spool
- throttle
- perfusion
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- 238000011017 operating method Methods 0.000 title abstract 2
- 230000010412 perfusion Effects 0.000 claims description 45
- 239000003507 refrigerant Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 13
- 238000004378 air conditioning Methods 0.000 claims description 9
- 239000006200 vaporizer Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention discloses a one-way movable throttle valve, an air conditioner outdoor unit and an air conditioner filling and operating method, wherein the one-way movable throttle valve comprises a valve body and a valve core, a sliding cavity is arranged in the valve body, the valve core is arranged in the sliding cavity of the valve body and can axially and relatively slide relative to the valve body, and the valve core has a throttling state and a filling state when axially sliding in the valve body; a throttling channel is arranged on the valve core, and a filling channel is arranged on the valve body; in a filling state, the first end of the throttle valve is communicated with the second end through the filling channel; in the throttling state, the second end of the throttling valve is communicated with the first end through the throttling channel. The invention can effectively reduce the production cost of the air conditioner outdoor unit and improve the production efficiency.
Description
Technical field
The invention belongs to field of air conditioning, be specifically related to a kind of unidirectional movable throttle valve, air conditioner outdoor machine and air-conditioning perfusion and operation method.
Background technique
When air conditioner outdoor machine is produced, capillary tube need be installed on air conditioner outdoor machine, so; When the perfusion refrigerant, can not pour into, if pour into, because there is capillary tube from valve from the valve of air conditioner outdoor machine; The speed of perfusion is very slow, badly influences manufacturing efficiency.
So; On existing air conditioner outdoor machine, need in the pipeline of air conditioner outdoor machine, increase the instillation process pipe, pour into from this instillation process pipe during perfusion; Carry out gas brazing with the instillation process channel closure by the workman then, accomplish the cooling medium charging work of air conditioner outdoor machine.This structure has caused the cost of air conditioner outdoor machine to rise, and, because the setting of process duct sealing process has also limited the raising of manufacturing efficiency to a certain extent.
For other air conditioner outdoor machine that adopts the fixation type throttle valve, also there is identical problem.
Summary of the invention
The objective of the invention is to overcome the defective of existing technology, a kind of unidirectional movable throttle valve, air conditioner outdoor machine and air-conditioning perfusion and operation method are provided, the present invention can effectively reduce the cost of production of air conditioner outdoor machine, enhances productivity.
Its technological scheme is following.
A kind of unidirectional movable throttle valve comprises valve body and spool, in valve body, is provided with sliding cavity, and spool is located in the sliding cavity of valve body and can when spool endwisely slips, be had throttle and perfusion state in valve body with respect to the axial slide relative of valve body; On spool, be provided with throttling passage, on valve body, be provided with perfusion channel; Under perfusion state, first end of throttle valve communicates with second end through perfusion channel; Under the throttle, second end of throttle valve communicates with first end through throttling passage.
Describe in the face of the further technological scheme of the present invention down.
Said valve body comprise outer tube and in the cover, in be sheathed in the outer tube, said perfusion channel is located between outer tube and the interior cover.
First end of cover is that fixed end, second end are free end in said, and interior cover is affixed through its fixed end and said overcoat.
The fixed end of cover is provided with inner via hole in said, and the free end of cover was provided with side opening at the fixed end of interior cover and the sidewall between the free end in said sliding cavity was located at; Under perfusion state, said spool inwardly cover free end near, first end of throttle valve communicates with second end through inner via hole, side opening, perfusion channel; Under throttle, said spool inwardly cover fixed end near and block said side opening, second end of throttle valve communicates with first end of throttle valve through throttling passage, inner via hole.
The end of cover second end is a through hole in said, and the end of cover second end is provided with the catch to the axle center inclination in said, and after said spool placed sliding cavity, catch blocked said spool.
Be provided with the inner sealing surface of taper at said sliding cavity near throttle valve first extreme direction, be provided with the external sealed face of taper in the same direction of said spool; Under throttle, spool slides to first extreme direction of throttle valve, and inner sealing surface cooperates with the external sealed face seal.
A kind of air conditioner outdoor machine comprises housing, outdoor heat exchanger, compressor and aforementioned throttle valve; Outdoor heat exchanger, compressor are installed in the housing, on housing, are provided with first valve and second valve, and first valve is connected with second valve through throttle valve first end, throttle valve second end, outdoor heat exchanger, compressor successively.
A kind of air-conditioning perfusion and operation method that adopts aforementioned throttle valve, this method comprises the steps: A, machine installs an air-conditioner; B, in air-conditioning, pour into refrigerant through first valve, throttle valve; Under the effect of refrigerant pressure; The spool of throttle valve slides to throttle valve second extreme direction, and refrigerant is through first valve, throttle valve first end, perfusion channel, throttle valve second end inlet chamber external heat exchanger and the compressor; After C, perfusion are accomplished; Compressor and starting, operation of air conditioner, refrigerant is under the compressor effect; Get into throttle valve second end from outdoor heat exchanger; Under the effect of refrigerant pressure, the spool of throttle valve slides to throttle valve first extreme direction, and refrigerant is successively through getting into the vaporizer circulation behind throttle valve second end, throttling passage, throttle valve first end, first valve.
Describe in the face of advantage of the present invention down.
1, because throttle valve adopts unidirectional movable structure, when pouring into, spool can be under the effect of refrigerant pressure reverse slide, thereby first end that makes throttle valve is through perfusion channel and the throttle valve second end conducting; So, no longer need in air conditioner outdoor machine, add the instillation process pipe, reduced cost, when perfusion, efficient is also higher.
2, the valve body of throttle valve comprise outer tube and in cover, first end and the outer tube of interior cover are fixed, the said perfusion channel of formation between interior cover and the outer tube, first end of throttle valve communicates through, inner via hole, side opening, perfusion channel.This structural design is simple, small and exquisite.
3, the end of interior cover second end is a through hole, and is provided with catch in the end of interior cover second end, and is behind the cover, through catch that spool is spacing again in spool places, and avoids spool to withdraw from.
4, under throttle, the inner sealing surface of valve body matches with the external sealed face of spool, because inner sealing surface and external sealed face are all tapered, has adaptation function, good sealing effect between inner sealing surface and the external sealed face.
Description of drawings
In Fig. 1 embodiment of the invention, the structural drawing of said air conditioner outdoor machine.
Fig. 2 is in the embodiment of the invention, the structural drawing of throttle valve.
Description of reference numerals: 1, housing, 2, compressor, 3, outdoor heat exchanger, 4, first valve; 5, second valve, 6, throttle valve, 7, outer tube, 8, interior cover; 9, spool, 10, inner via hole, 11, side opening, 12, perfusion channel; 13, throttling passage, 14, catch, 15, the external sealed face, 16, inner sealing surface.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated.
Like Fig. 1 and shown in Figure 2, a kind of air conditioner outdoor machine comprises housing 1, outdoor heat exchanger 3, compressor 2 and unidirectional movable throttle valve 6; Outdoor heat exchanger 3, compressor 2 are installed in the housing 1, on housing 1, are provided with first valve 4 and second valve, 5, the first valves 4 and are connected with second valve 5 through throttle valve 6 first ends, throttle valve 6 second ends, outdoor heat exchanger 3, compressor 2 successively.
Wherein, unidirectional movable throttle valve 6 comprises valve body and spool 9, in valve body, is provided with sliding cavity, and spool 9 is located in the sliding cavity of valve body and can when spool 9 endwisely slips, be had throttle and perfusion state in valve body with respect to the axial slide relative of valve body; On spool 9, be provided with throttling passage 13, on valve body, be provided with perfusion channel 12; Under perfusion state, throttle valve 6 first ends communicate with second end through perfusion channel 12; Under the throttle, throttle valve 6 second ends communicate with first end through throttling passage 13.
Said valve body comprises outer tube 7 and interior cover 8, and interior cover 8 is located in the outer tube 7, and perfusion channel 12 is located between outer tube 7 and the interior cover 8.First end of cover 8 is that fixed end, second end are free end in said, and interior cover 8 is affixed through its fixed end and overcoat.Fixed end at interior cover 8 is provided with inner via hole 10, and cover 8 free end in sliding cavity is located at is provided with side opening 11 at the fixed end and the sidewall between the free end of interior cover 8; Under perfusion state, spool 9 inwardly cover 8 free end near, throttle valve 6 first ends communicate with second end through inner via hole 10, side opening 11, perfusion channel 12; Under throttle, spool 9 inwardly cover 8 fixed end near and block side opening 11, throttle valve 6 second ends communicate with throttle valve 6 first ends through throttling passage 13, inner via hole 10.The end of interior cover 8 second ends is a through hole, is provided with the catch that tilts to the axle center in the end of interior cover 8 second ends, and after spool 9 placed sliding cavity, catch 14 blocked spool 9.Be provided with the inner sealing surface 16 of taper at sliding cavity near throttle valve 6 first extreme directions, be provided with the external sealed face 15 of taper in the same direction of spool 9; Under throttle, spool 9 slides to throttle valve 6 first extreme directions, and inner sealing surface 16 is sealed and matched with external sealed face 15.
Adopt the perfusion and the operation method of the air conditioner of aforementioned air conditioner outdoor machine, comprise the steps: A, machine installs an air-conditioner; B, in air-conditioning, pour into refrigerant through first valve 4, throttle valve 6; Under the effect of refrigerant pressure; Throttle valve 6 spools 9 slide to throttle valve 6 second extreme directions, and refrigerant is through first valve 4, throttle valve 6 first ends, side opening, perfusion channel 12, throttle valve 6 second end inlet chamber external heat exchanger 3 and compressors 2; After C, perfusion are accomplished; Compressor and starting 2, operation of air conditioner, refrigerant is under compressor 2 effects; Get into throttle valve 6 second ends from outdoor heat exchanger 3; Under the effect of refrigerant pressure, throttle valve 6 spools 9 slide to throttle valve 6 first extreme directions, and refrigerant gets into the vaporizer circulation through throttle valve 6 second ends, throttling passage 13, throttle valve 6 first ends, first valve, 4 backs successively.
Present embodiment has following advantage.
1, because throttle valve 6 adopts unidirectional movable structure, when pouring into, spool 9 can be under the effect of refrigerant pressure reverse slide, thereby make throttle valve 6 first ends through perfusion channel 12 and throttle valve 6 second end conductings; So, no longer need in air conditioner outdoor machine, add the instillation process pipe, reduced cost, when perfusion, efficient is also higher.
2, throttle valve 6 valve bodies comprise outer tube 7 and in cover 8, first end of interior cover 8 is fixing with outer tube 7, formation perfusion channel 12 between interior cover 8 and the outer tube 7, throttle valve 6 first ends communicate through, inner via hole 10, side opening 11, perfusion channel 12.This structural design is simple, small and exquisite.
3, the end of interior cover 8 second ends is a through hole, and is provided with catch 14 in the end of interior cover 8 second ends, and is behind the cover 8, through catch 14 that spool 9 is spacing again in spool 9 places, and avoids spool 9 to withdraw from.
4, under throttle, the inner sealing surface 16 of valve body matches with the external sealed face 15 of spool 9, because inner sealing surface 16 is all tapered with external sealed face 15, has adaptation function, good sealing effect between inner sealing surface 16 and the external sealed face 15.
More than be merely specific embodiment of the present invention, do not limit protection scope of the present invention with this; Any replacement and the improvement on the basis of not violating the present invention's design, done all belong to protection scope of the present invention.
Claims (8)
1. unidirectional movable throttle valve; It is characterized in that, comprise valve body and spool, in valve body, be provided with sliding cavity; Spool is located in the sliding cavity of valve body and can when spool endwisely slips, be had throttle and perfusion state in valve body with respect to the axial slide relative of valve body; On spool, be provided with throttling passage, on valve body, be provided with perfusion channel; Under perfusion state, first end of throttle valve communicates with second end through perfusion channel; Under the throttle, second end of throttle valve communicates with first end through throttling passage.
2. unidirectional according to claim 1 movable throttle valve is characterized in that, said valve body comprise outer tube and in the cover, in be sheathed in the outer tube, said perfusion channel is located between outer tube and the interior cover.
3. like the said unidirectional movable throttle valve of claim 2, it is characterized in that first end of said interior cover is that fixed end, second end are free end, interior cover is affixed through its fixed end and said overcoat.
4. like the said unidirectional movable throttle valve of claim 3, it is characterized in that the fixed end of cover is provided with inner via hole in said, the free end of cover was provided with side opening at the fixed end of interior cover and the sidewall between the free end in said sliding cavity was located at; Under perfusion state, said spool inwardly cover free end near, first end of throttle valve communicates with second end through inner via hole, side opening, perfusion channel; Under throttle, said spool inwardly cover fixed end near and block said side opening, second end of throttle valve communicates with first end of throttle valve through throttling passage, inner via hole.
5. like the said unidirectional movable throttle valve of claim 3, it is characterized in that the end of said interior cover second end is a through hole, the end of cover second end is provided with the catch to the axle center inclination in said, and after said spool placed sliding cavity, catch blocked said spool.
6. like each said unidirectional movable throttle valve in the claim 1 to 5, it is characterized in that, be provided with the inner sealing surface of taper near throttle valve first extreme direction, be provided with the external sealed face of taper in the same direction of said spool at said sliding cavity; Under throttle, spool slides to first extreme direction of throttle valve, and inner sealing surface cooperates with the external sealed face seal.
7. an air conditioner outdoor machine is characterized in that, comprises housing, outdoor heat exchanger, compressor and the said throttle valve of aforementioned each claim; Outdoor heat exchanger, compressor are installed in the housing, on housing, are provided with first valve and second valve, and first valve is connected with second valve through throttle valve first end, throttle valve second end, outdoor heat exchanger, compressor successively.
8. an air-conditioning perfusion and an operation method that adopts aforementioned throttle valve is characterized in that this method comprises the steps: A, machine installs an air-conditioner; B, in air-conditioning, pour into refrigerant through first valve, throttle valve; Under the effect of refrigerant pressure; The spool of throttle valve slides to throttle valve second extreme direction, and refrigerant is through first valve, throttle valve first end, perfusion channel, throttle valve second end inlet chamber external heat exchanger and the compressor; After C, perfusion are accomplished; Compressor and starting, operation of air conditioner, refrigerant is under the compressor effect; Get into throttle valve second end from outdoor heat exchanger; Under the effect of refrigerant pressure, the spool of throttle valve slides to throttle valve first extreme direction, and refrigerant is successively through getting into the vaporizer circulation behind throttle valve second end, throttling passage, throttle valve first end, first valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106181498A CN102537412A (en) | 2010-12-31 | 2010-12-31 | One-way movable throttle valve, air conditioner outdoor unit and air conditioner filling and operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106181498A CN102537412A (en) | 2010-12-31 | 2010-12-31 | One-way movable throttle valve, air conditioner outdoor unit and air conditioner filling and operating method |
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| Publication Number | Publication Date |
|---|---|
| CN102537412A true CN102537412A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106181498A Pending CN102537412A (en) | 2010-12-31 | 2010-12-31 | One-way movable throttle valve, air conditioner outdoor unit and air conditioner filling and operating method |
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| Country | Link |
|---|---|
| CN (1) | CN102537412A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256765A (en) * | 2012-02-20 | 2013-08-21 | 珠海格力电器股份有限公司 | Pouring gun head |
| CN105627611A (en) * | 2014-10-28 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner |
| CN108613443A (en) * | 2018-06-21 | 2018-10-02 | 吴军 | A kind of one-way throttle valve and its bidirectional throttling valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699892A (en) * | 2004-05-19 | 2005-11-23 | 乐金电子(天津)电器有限公司 | Air conditioner |
| CN2896149Y (en) * | 2006-03-20 | 2007-05-02 | 罗泳杨 | Throttling valve |
| CN200940727Y (en) * | 2006-04-28 | 2007-08-29 | 赵敏 | One-way throttle valve for heat pump type air conditioner |
| CN201103725Y (en) * | 2007-11-14 | 2008-08-20 | 浙江盾安人工环境设备股份有限公司 | One-way valve of air conditioner |
| CN201925481U (en) * | 2010-12-31 | 2011-08-10 | 珠海格力电器股份有限公司 | One-way movable throttle valve and air conditioner outdoor unit |
| CN102155826A (en) * | 2010-12-15 | 2011-08-17 | 赵敏 | One-way movable throttle valve and air-conditioning outdoor unit using same |
-
2010
- 2010-12-31 CN CN2010106181498A patent/CN102537412A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1699892A (en) * | 2004-05-19 | 2005-11-23 | 乐金电子(天津)电器有限公司 | Air conditioner |
| CN2896149Y (en) * | 2006-03-20 | 2007-05-02 | 罗泳杨 | Throttling valve |
| CN200940727Y (en) * | 2006-04-28 | 2007-08-29 | 赵敏 | One-way throttle valve for heat pump type air conditioner |
| CN201103725Y (en) * | 2007-11-14 | 2008-08-20 | 浙江盾安人工环境设备股份有限公司 | One-way valve of air conditioner |
| CN102155826A (en) * | 2010-12-15 | 2011-08-17 | 赵敏 | One-way movable throttle valve and air-conditioning outdoor unit using same |
| CN201925481U (en) * | 2010-12-31 | 2011-08-10 | 珠海格力电器股份有限公司 | One-way movable throttle valve and air conditioner outdoor unit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256765A (en) * | 2012-02-20 | 2013-08-21 | 珠海格力电器股份有限公司 | Pouring gun head |
| CN103256765B (en) * | 2012-02-20 | 2015-04-29 | 珠海格力电器股份有限公司 | Pouring gun head |
| CN105627611A (en) * | 2014-10-28 | 2016-06-01 | 广东美的制冷设备有限公司 | Air conditioner |
| CN108613443A (en) * | 2018-06-21 | 2018-10-02 | 吴军 | A kind of one-way throttle valve and its bidirectional throttling valve |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120704 |