CN103727712B - Two-way device for drying and filtering - Google Patents
Two-way device for drying and filtering Download PDFInfo
- Publication number
- CN103727712B CN103727712B CN201210387840.9A CN201210387840A CN103727712B CN 103727712 B CN103727712 B CN 103727712B CN 201210387840 A CN201210387840 A CN 201210387840A CN 103727712 B CN103727712 B CN 103727712B
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- China
- Prior art keywords
- drying
- cylindrical shell
- end cap
- filtering
- flange
- 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.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 67
- 238000001035 drying Methods 0.000 title claims abstract description 59
- 238000005057 refrigeration Methods 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims abstract description 7
- 230000013011 mating Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical group [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 description 8
- 239000003507 refrigerant Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002274 desiccant Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
Abstract
The present invention discloses a kind of two-way device for drying and filtering, for being made by impurity screening and removal moisture, the cold-producing medium circulated in refrigeration systems filters, drying, described device for drying and filtering comprises the cylindrical shell for placing drier and is arranged at the screen pack at described cylindrical shell two ends, also comprise at least one and filter dictyosome, described filtration dictyosome to be arranged in described cylindrical shell and between described drier and screen pack.Device for drying and filtering adopts symmetrical design, can be bi-directional filtered; Device for drying and filtering adds filtration dictyosome, and device for drying and filtering relatively in the past adds the function of impurity screening.
Description
Technical field
The present invention relates to refrigerating field, particularly the two-way device for drying and filtering of one.
Background technology
After domestic air conditioning Long-Time Service, there is system ice and block up and dirty stifled problem, cause complete machine poor refrigerating efficiency maybe cannot start shooting running phenomenon.In current after-sales service process, device for drying and filtering docking system can be adopted to carry out dry filter for domestic air conditioning ice is stifled, filter used often arranges screen pack respectively at import and export, drier is folded up between two filter screens, import department adopts flange seal, employing bolt is fixed, exit structure due to device for drying and filtering is bowl-shape, screen pack mostly is monoblock construction, for increasing filter area, often the screen pack in the exit of device for drying and filtering also can be done camber bowl-shape, for the filter screen of bowl structure, refrigerant can not enter filter from arc outboard end, otherwise easily cause screen pack to break, and for straight-plate-type screen pack, because screen pack is insecure with coordinating of filter cylinder, so refrigerant can only be entered by flange, therefore adopt existing filter often can only unidirectionally to filter, in actual application, there is anti-loaded possibility.
Existing device for drying and filtering is in the process of access refrigeration system work, and it is saturated whether internal desiccant has filtered, needs user to take end cap apart and check, just can observe, and therefore uses extremely inconvenient.
In addition, for the dirty stifled situation of domestic air-conditioning system, current after-sales service generally adopts the mode of discharge refrigerant, takes out condenser and then adopts the method for high pressure nitrogen blast-cold condenser dirty stifled to get rid of, keep in repair very inconvenient.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides that a kind of structure is simple, easy accessibility, can filter the two-way device for drying and filtering of impurity in air-conditioning system by dry air-conditioning system moisture simultaneously, the present invention realizes the technical scheme that above-mentioned purpose adopts and is:
A kind of two-way device for drying and filtering, for being made by impurity screening and removal moisture, the cold-producing medium circulated in refrigeration systems filters, drying, described device for drying and filtering comprises the cylindrical shell for placing drier and is arranged at the screen pack at described cylindrical shell two ends, also comprise at least one and filter dictyosome, described filtration dictyosome to be arranged in described cylindrical shell and between described drier and screen pack.
More preferably, described filtration dictyosome is the cylindrical filtrating screen body with continuous folding;
The aperture of described filtration dictyosome is less than the aperture of described screen pack.
More preferably, described two-way device for drying and filtering also comprises the flange end cap sealing described cylindrical shell, and is arranged on flange end and covers hoop component for fixing described flange end cap and described cylindrical shell;
Described flange end covers the through hole being provided with bell mouth shape, and described through hole is used as the circulation passage of cold-producing medium;
Each described hoop component comprises clip and the securing member for fixing described clip.
More preferably, all sides at described cylindrical shell two ends are respectively arranged with flange, the end of described cylindrical shell is exposed to described flange outer sides, the end exposed part of described cylindrical shell embeds in the inner concave of described flange end cap, the end of described cylindrical shell and the inner concave of described flange end cap are sealed and matched, and described flange end cap and described cylindrical shell are fixed by described hoop component.
More preferably, the outer face of described flange end cap arranges protruding end face, the external diameter of described protruding end face is less than the external diameter of described flange end cap, and described protruding end face is provided with breach, and described breach is used for positioning when installing described clip.
More preferably, the first mating surface of described clip coordinates with the first end contact of described flange, and the second mating surface of described clip coordinates with the second end contact of described flange end cap;
First end face of described flange is the conical surface that tapering is identical with the second end face of described flange end cap; First mating surface, second mating surface of described clip are the conical surface that tapering is identical with the first end face of described flange.
More preferably, each described flange end covers and is provided with two described hoop components, and the described clip in described hoop component is semicircle, and the described clip in two described hoop components joins end to end and to be fixed on described cylindrical shell by described flange end cap.
More preferably, described two-way device for drying and filtering also comprises elastic device;
Be fixed by elastic device between described flange end cap and described screen pack.
More preferably, described two-way device for drying and filtering also comprises drier, and described drier is molecular sieve or silica gel.
More preferably, described cylindrical shell is also provided with the transparent mirror for the agent that sees drying.
The invention has the beneficial effects as follows: device for drying and filtering adopts symmetrical design, can be bi-directional filtered; Add filtration dictyosome, device for drying and filtering relatively in the past adds the function of impurity screening; Devise transparent mirror in filter cylinder, the color change of cylindrical shell internal desiccant can be observed, be convenient to change drier in time; Filter adopts both sides flange to fix, and changes tradition and seals the fixing form of flange, eliminate the direction type of import and export; The form that filter flange is fixed fixedly changes clip into by traditional bolt and fixes, and clip contact surface adopts conical surface design, ensures sealing, simultaneously easy accessibility.
Accompanying drawing explanation
The front view of Fig. 1 device for drying and filtering one of the present invention embodiment;
Fig. 2 is the left view of device for drying and filtering shown in Fig. 1;
The A portion partial enlarged drawing that Fig. 3 is device for drying and filtering shown in Fig. 1;
The O-ring seal front view that Fig. 4 is device for drying and filtering shown in Fig. 1;
Fig. 5 is the top view of O-ring seal shown in Fig. 4;
Fig. 6 is the sectional view of device for drying and filtering shown in Fig. 1;
Fig. 7 is the schematic front view of the cylindrical shell of device for drying and filtering shown in Fig. 1;
Fig. 8 is the schematic top plan view of cylindrical shell shown in Fig. 7;
The schematic front view of the filtration dictyosome that Fig. 9 is device for drying and filtering shown in Fig. 1;
Figure 10 is the schematic top plan view of filtering dictyosome shown in Fig. 9;
The schematic front view of the flange end cap that Figure 11 is device for drying and filtering shown in Fig. 1;
Figure 12 is the schematic top plan view of the end cap of flange shown in Figure 11;
The hoop component that Figure 13 is device for drying and filtering shown in Fig. 1 and flange end cap coordinate schematic top plan view;
The hoop component that Figure 14 is the device for drying and filtering shown in Figure 13 and flange end cap coordinate schematic front view;
Two hoop components that Figure 15 is device for drying and filtering shown in Fig. 1 and a flange end cap coordinate schematic top plan view;
The hoop component assembling process schematic diagram that Figure 16 is device for drying and filtering shown in Figure 15;
Figure 17 is the device for drying and filtering decomposing schematic representation shown in Fig. 1;
Figure 18 is applied in the schematic diagram of air-conditioning refrigeration system one embodiment for device for drying and filtering shown in Fig. 1.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, two-way device for drying and filtering of the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Referring to figs. 1 through Figure 17, the cold-producing medium that two-way device for drying and filtering one embodiment of the present invention is used for being made by impurity screening and removal moisture to circulate in refrigeration systems filters, drying, described device for drying and filtering comprises cylindrical shell 5, be positioned at the drier 8 of described cylindrical shell 5 inside and be arranged at the screen pack 10 at described cylindrical shell 5 two ends, and described drier 8 is molecular sieve or silica gel.In described cylindrical shell 5 and between described drier 8 and screen pack 10, be also provided with at least one filter dictyosome 4, preferably, the often end of cylindrical shell 5 arranges one and filters dictyosome 4, described filtration dictyosome 4 is for having the cylindrical filtrating screen body of continuous folding, and the aperture of described filtration dictyosome 4 is less than the aperture of described screen pack 10; Filter in dictyosome and the filtration such as filter core and drier, dry matter can be set.
Preferably, as a kind of embodiment, the two ends of described cylindrical shell 5 are respectively arranged with flange 51 and the flange end cap 2 for sealing described cylindrical shell 5, and for fixing the hoop component 6 of described flange end cap 2 and described cylindrical shell 5, the end of described cylindrical shell 5 is exposed to outside described flange 51, the end exposed part of described cylindrical shell 5 embeds (namely the recession plane of flange end cap 2 tip inside is interior) in the inner concave of described flange end cap 3, O-ring seal 3 is provided with between the end of described cylindrical shell 5 and the inner concave of described flange end cap 2, make both be sealed and matched, described flange end cap 2 and described cylindrical shell 5 are fixed by described hoop component 6, flange end cap 2 is provided with pipe joint 1 in connecting line, each described hoop component 6 comprises clip 61 and the securing member 62 for fixing described clip 61, clip 61 is arc, securing member 62 is screw bolt and nut, described flange end cap 2 is fixed together with the flange 51 of described cylindrical shell 5 by described hoop component 6, and hoop component 6 can be fixed on flange end cap 2 with pin.
Preferably, the outer face of described flange end cap 2 arranges protruding end face 23, the external diameter of described protruding end face 23 is less than the external diameter of described flange end cap 2, and described protruding end face 23 is provided with breach 21, positions when described breach 21 is for installing described clip 61.
Further, the first mating surface of described clip 61 coordinates with the first end contact of described flange 51, and the second mating surface of described clip 61 coordinates with the second end contact of described flange end cap 2;
First end face of described flange 51 is the conical surface that tapering is identical with the second end face of described flange end cap 2; First mating surface, second mating surface of described clip 61 are also the conical surface that tapering is identical with the first end face of described flange 51.
Preferably, described flange end cap 2 is provided with the through hole 22 of bell mouth shape, described through hole 22 is used as the circulation passage of cold-producing medium, through hole 22 is connected with the tube connector of nipple 1, be fixed by elastic device between described flange end cap 2 and described screen pack 10, described elastic device is spring 8 or shell fragment, and it is trapezoidal groove that the inner face of flange end cap 2 is provided with a cross section, one end of spring 9 embeds in described groove, thus spring 9 can not be ejected described groove.
Preferably, each described flange end cap 2 is provided with two described hoop components 6, described hoop component 6 comprises two described clips 61 and two described securing members 62, described clip 61 is semicircle, two described clips 61 join end to end, thus flange end cap 2 is fixed together with the flange 51 of cylindrical shell 5.
Preferably, as a kind of embodiment, described cylindrical shell is also provided with the transparent mirror 7 for observing described drier 8.
Two-way device for drying and filtering above-described embodiment of the present invention should in air-conditioning refrigeration system one embodiment, as shown in figure 18, air-conditioning system comprises indoor set 1 ' and off-premises station 4 ', indoor set 1 ' is connected to form refrigeration cycle with off-premises station 4 ' by high-voltage tube 2 ' and low-voltage tube 7 ', device for drying and filtering 6 ' is connected in series in low-voltage tube 7 ', upper series connection first valve 3 ' of high-voltage tube 2 ', series connection the second valve 5 ' in low-voltage tube 7 ', when indoor set 1 ' freezes, refrigerant enters indoor set 1 ' by high-voltage tube 2 ', off-premises station 4 ' is got back to after flowing out indoor set 1 ' drying filter 6 ' dry filter by low-voltage tube 7 ', when indoor set 1 ' heats, refrigerant flows to contrary with during its refrigeration.
The device for drying and filtering of the present embodiment adopts symmetrical design, can be bi-directional filtered; Add filtration dictyosome, device for drying and filtering relatively in the past adds the function of impurity screening; Devise transparent mirror in filter cylinder, the color change of cylindrical shell internal desiccant can be observed, be convenient to change drier in time; Filter adopts both sides flange to fix, and changes tradition and seals the fixing form of flange, eliminate the direction type of import and export; The form that filter flange is fixed fixedly changes clip into by traditional bolt and fixes, and clip contact surface adopts conical surface design, ensures sealing, simultaneously easy accessibility.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a two-way device for drying and filtering, for being made by impurity screening and removal moisture, the cold-producing medium circulated in refrigeration systems filters, drying, described device for drying and filtering comprises the cylindrical shell for placing drier and is arranged at the screen pack at described cylindrical shell two ends, it is characterized in that:
Also comprise at least one and filter dictyosome, described filtration dictyosome to be arranged in described cylindrical shell and between described drier and screen pack;
The two ends of described cylindrical shell are respectively arranged with flange and the flange end cap for sealing described cylindrical shell, and for fixing the hoop component of described flange end cap and described cylindrical shell, the end of described cylindrical shell is exposed to described flange outer sides, and the end exposed part of described cylindrical shell embeds in the inner concave of described flange end cap.
2. two-way device for drying and filtering according to claim 1, is characterized in that:
Described filtration dictyosome is the cylindrical filtrating screen body with continuous folding;
The aperture of described filtration dictyosome is less than the aperture of described screen pack.
3. two-way device for drying and filtering according to claim 1, is characterized in that:
Described flange end covers the through hole being provided with bell mouth shape, and described through hole is used as the circulation passage of cold-producing medium;
Each described hoop component comprises clip and the securing member for fixing described clip.
4. two-way device for drying and filtering according to claim 3, is characterized in that:
The end of described cylindrical shell and the inner concave of described flange end cap are sealed and matched, and described flange end cap and described cylindrical shell are fixed by described hoop component.
5. two-way device for drying and filtering according to claim 1, is characterized in that:
The outer face of described flange end cap arranges protruding end face, and the external diameter of described protruding end face is less than the external diameter of described flange end cap, and described protruding end face is provided with breach, and described breach is used for positioning when installing the clip of described hoop component.
6. two-way device for drying and filtering according to claim 1, is characterized in that:
First mating surface of the clip of described hoop component coordinates with the first end contact of described flange, and the second mating surface of the clip of described hoop component coordinates with the second end contact of described flange end cap;
First end face of described flange is the conical surface that tapering is identical with the second end face of described flange end cap;
First mating surface, second mating surface of the clip of described hoop component are the conical surface that tapering is identical with the first end face of described flange.
7. the two-way device for drying and filtering according to any one of claim 1-6, is characterized in that:
Each described flange end covers and is provided with two described hoop components, and the clip of described hoop component is semicircle, and the clip of two described hoop components joins end to end and to be fixed on described cylindrical shell by described flange end cap.
8. the two-way device for drying and filtering according to any one of claim 1-6, is characterized in that:
Also comprise elastic device;
Be fixed by elastic device between described flange end cap and described screen pack.
9. the two-way device for drying and filtering according to any one of claim 1-6, is characterized in that:
Also comprise drier, described drier is molecular sieve or silica gel.
10. the two-way device for drying and filtering according to any one of claim 1-6, is characterized in that:
Described cylindrical shell is also provided with the transparent mirror for the agent that sees drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210387840.9A CN103727712B (en) | 2012-10-12 | 2012-10-12 | Two-way device for drying and filtering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210387840.9A CN103727712B (en) | 2012-10-12 | 2012-10-12 | Two-way device for drying and filtering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103727712A CN103727712A (en) | 2014-04-16 |
| CN103727712B true CN103727712B (en) | 2016-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210387840.9A Expired - Fee Related CN103727712B (en) | 2012-10-12 | 2012-10-12 | Two-way device for drying and filtering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103727712B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359259B (en) * | 2014-10-08 | 2017-01-11 | 新昌县宏宇制冷有限公司 | Two-way dry filter |
| CN106196768B (en) * | 2016-08-23 | 2019-06-18 | 重庆超力高科技股份有限公司 | A kind of liquid storage dryer with backheating function and commutation function |
| CN106196770B (en) * | 2016-08-25 | 2019-06-18 | 重庆超力高科技股份有限公司 | A kind of liquid storage dryer with four-way commutation function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5110330A (en) * | 1990-02-08 | 1992-05-05 | Arrow Pneumatics, Inc. | Filter dryer |
| US5440898A (en) * | 1994-01-21 | 1995-08-15 | Sporlan Valve Company | Filter-dryer unit |
| CN2749555Y (en) * | 2001-11-06 | 2006-01-04 | 帕克-汉尼芬公司 | Filter element |
| CN2809529Y (en) * | 2005-06-29 | 2006-08-23 | 邱宗尧 | Drying drum structure |
| CN201101914Y (en) * | 2007-09-12 | 2008-08-20 | 深圳市比克电池有限公司 | Double-layer filter |
| CN102650482A (en) * | 2011-02-28 | 2012-08-29 | 浙江三花制冷集团有限公司 | Bidirectional drying filter |
| CN202835959U (en) * | 2012-10-12 | 2013-03-27 | 珠海格力电器股份有限公司 | Bidirectional drying filter |
-
2012
- 2012-10-12 CN CN201210387840.9A patent/CN103727712B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5110330A (en) * | 1990-02-08 | 1992-05-05 | Arrow Pneumatics, Inc. | Filter dryer |
| US5440898A (en) * | 1994-01-21 | 1995-08-15 | Sporlan Valve Company | Filter-dryer unit |
| CN2749555Y (en) * | 2001-11-06 | 2006-01-04 | 帕克-汉尼芬公司 | Filter element |
| CN2809529Y (en) * | 2005-06-29 | 2006-08-23 | 邱宗尧 | Drying drum structure |
| CN201101914Y (en) * | 2007-09-12 | 2008-08-20 | 深圳市比克电池有限公司 | Double-layer filter |
| CN102650482A (en) * | 2011-02-28 | 2012-08-29 | 浙江三花制冷集团有限公司 | Bidirectional drying filter |
| CN202835959U (en) * | 2012-10-12 | 2013-03-27 | 珠海格力电器股份有限公司 | Bidirectional drying filter |
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| Publication number | Publication date |
|---|---|
| CN103727712A (en) | 2014-04-16 |
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Granted publication date: 20160413 |