CN102679643B - Liquid reservoir - Google Patents
Liquid reservoir Download PDFInfo
- Publication number
- CN102679643B CN102679643B CN201110063343.9A CN201110063343A CN102679643B CN 102679643 B CN102679643 B CN 102679643B CN 201110063343 A CN201110063343 A CN 201110063343A CN 102679643 B CN102679643 B CN 102679643B
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- Prior art keywords
- container
- reservoir
- refrigerant
- corrugated
- liquid
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- 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.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 43
- 239000003507 refrigerant Substances 0.000 claims abstract description 38
- 238000001035 drying Methods 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 239000007769 metal material Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000000605 extraction Methods 0.000 abstract 5
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 239000002274 desiccant Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to a liquid reservoir, which comprises a container, an end plate, an extraction tube and a drying part, wherein the container consists of bottom cylindrical parts; the end plate is provided with a refrigerant inlet and a refrigerant outlet; the extraction tube is kept pendent from the end plate used for blocking the upper ends of the cylindrical parts and is arranged at a slightly central position of the container; the drying part is arranged outside the extraction tube; the upper end of the extraction tube is connected with the refrigerant outlet; a liquid refrigerant retained at the bottom of the lower end of the container from the lower end of the extraction tube flows out through the refrigerant outlet; and the container consisting of the cylindrical parts comprises a corrugated part which is formed on the lower part of the container. By the liquid reservoir, the bottom of the lower end of the container is formed by the corrugated part, so automobile vibration and other load influences or impact influence brought by change of high-pressure refrigerant pressure can be absorbed through the corrugated part, and stable operation of the liquid reservoir can be maintained; and moreover, resonance of a high-pressure pipeline and squeal of an expansion valve can be avoided.
Description
Technical Field
The present invention relates to a liquid reservoir, and more particularly to a liquid reservoir for a cooling/heating system of an air conditioner for a vehicle.
Background
As shown in fig. 5 of japanese patent document 1 (full open flat 6-27232), this liquid reservoir is provided at its bottom with a support member for supporting the lower portion of the pipette, the support member being held around the bottom of the liquid reservoir, and a prescribed gap d' is maintained between the bottom of the support member and the bottom of the liquid reservoir in order to prevent the pipette from falling. Further, a disc-shaped upper plate and a disc-shaped lower plate are provided in the middle of the pipette, and a desiccant is filled between the upper and lower discs through felt F. The upper and lower circular plates are formed with a plurality of through holes as ventilation holes.
Further, as shown in fig. 1 of patent document 1, the liquid reservoir is provided with a step portion on which a disk-shaped bottom plate is placed, and a bulging locking portion formed at a lower portion of the pipette is disposed on a central through hole of the disk-shaped bottom plate, whereby the pipette is prevented from falling to the bottom of the liquid reservoir, and the nozzle of the pipette is not clogged.
Further, japanese patent document 2 (patent No. 3207584) also describes a liquid reservoir for preventing a pipette from falling down by a support member, in which a bottom surface of the liquid reservoir is composed of a flat central portion and an inclined surface facing the flat central portion, and the support member of the pipette has a mounting hole formed at an upper end thereof, as shown in fig. 1 thereof.
The lower end of the liquid suction pipe is abutted against the flat central part, and the liquid suction pipe is provided with a refrigerant suction through hole communicated with the mounting hole, and is also provided with an inclined surface formed at the lower end. Also, the through-hole is formed by a lower end groove that is open at the side.
The above conventional liquid reservoir is constituted by a container, an end plate, a liquid suction pipe, and a drying portion provided on the outer periphery of the liquid suction pipe, and is further provided with a support member for supporting the liquid suction pipe in order to prevent the liquid suction pipe from coming off due to a load caused by vibration of an automobile or the like.
However, the prior art liquid reservoir has a disadvantage in that: when the impact is generated due to the influence of the load such as the vibration of the automobile or the rapid pressure change of the high-pressure refrigerant on the high-pressure side of the cooling and heating system of the automobile air conditioner, the vibration or the impact of the high-pressure refrigerant is not considered to be absorbed.
[ patent document 1] Shikai Ping 6-27232
[ patent document 2] Japanese patent application No. 3207584
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a liquid receiver which is capable of preventing the liquid suction tube from falling off without requiring a significant structural change, by eliminating a supporting member for supporting the liquid suction tube, while preventing the liquid suction tube from being affected by a load due to vibration of an automobile or shock due to a rapid change in the pressure of the high-pressure refrigerant, on the premise of the structural condition of the conventional liquid receiver.
To achieve the above object, the liquid container of the present invention includes a container having a bottomed cylindrical member; an end plate provided with a refrigerant inlet and a refrigerant outlet; a draft tube which is disposed at a substantially central position in the container and which is suspended from the end plate for closing the upper end of the cylindrical member; and a drying section disposed outside the aspiration tube; the upper end of the draft tube is connected with the refrigerant outlet, and simultaneously, the liquid refrigerant staying at the bottom of the lower end of the container flows to the outside from the lower end of the draft tube through the refrigerant outlet; wherein the container constituted by the cylindrical member has a corrugated portion provided at a lower portion of the container.
Further, the upper half portion of the container is formed into a cylindrical portion, the corrugated portion constitutes a lower side wall of the container and is connected to the cylindrical portion, and the corrugated portion is formed integrally with a lower end bottom of the container.
The liquid reservoir as described above, wherein the cylindrical portion and the corrugated portion are integrally made of a metal material.
The liquid reservoir as described above, wherein the cylindrical portion and the corrugated portion are formed of a metal material integrally by welding.
The reservoir as described above, wherein the metal material is a copper material.
The reservoir as described above, wherein the cylindrical portion is made of aluminum material, while the corrugated portion is made of copper material. Further, the welding is friction welding.
Compared with the prior art, the invention has the characteristics and effects that: in the receiver according to the present invention, since the bottom portion of the lower end of the container, which is formed of the bottomed cylindrical member, is formed of the bellows portion, even if the receiver is affected by a load such as vibration of an automobile or an impact due to pressure fluctuation of a high-pressure refrigerant, the bellows portion absorbs and attenuates the vibration or the pressure impact. Thereby preventing the draft tube from loosening and falling from the draft tube fitted and fixed in the container on the end plate.
Therefore, even if the high pressure or flow rate of the vehicle air conditioning system fluctuates sharply, the stable operation of the accumulator can be maintained, and the resonance of the high pressure line and the squeal of the expansion valve can be avoided.
Further, since the reservoir of the present invention is formed of the corrugated portion provided continuously with the cylindrical portion forming the container, it is not necessary to make a large change in the original reservoir structure. A reservoir which is relatively simple to assemble is thus achieved. In addition, the corrugated part forms the bottom of the lower end of the container and is connected with the cylindrical part of the upper half part of the container, so that the suction of the refrigerant staying at the bottom of the lower end of the container by the suction pipe is not influenced. Thereby, a receiver capable of ensuring the suction of the refrigerant can be realized.
Further, according to the reservoir of the present invention, since the cylindrical portion is made of copper and the corrugated portion is made of copper or aluminum, the reservoir can be easily manufactured, and the manufacturing time can be reduced, thereby realizing a reservoir that can be easily assembled.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein,
figure 1 is a cross-sectional side view of one embodiment of the reservoir of the present invention.
Fig. 2 is a cross-sectional side view of another embodiment of the reservoir of the present invention.
Fig. 3 is a cross-sectional side view of another embodiment of a reservoir of the present invention having a dry portion that differs from that of fig. 1.
Fig. 4 is a cross-sectional side view of another embodiment of a reservoir of the present invention having a dry portion that differs from that of fig. 2.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
Embodiments of the present invention will be described in detail below with reference to fig. 1 to 4.
Fig. 1 is a cross-sectional side view of one embodiment of the reservoir T1 of the present invention. The basic structure of this liquid receiver T1 is the same as that shown in fig. 5 of patent document 1, except that the support member 7 in fig. 5 is not provided.
In fig. 1, a container 1 composed of a cylindrical member mainly comprises a cylindrical portion 11 constituting an upper half of the container 1 and a corrugated portion forming a side wall of a lower half of the container 1, the corrugated portion 12 of the lower half is joined to a lower end opening portion 11A of the cylindrical portion 11 of the upper half, and the corrugated portion 12 is joined to form an inclined portion 13 and a flat bottom portion 14 forming a lower end bottom portion.
Also, the cylindrical portion 11, the corrugated portion 12, the inclined portion 13, and the bottom portion 14 are integrally formed of a metal material such as a copper material, and therefore, the container 1 of the reservoir T1 can be integrally formed of a copper material in succession. Further, a substantially circular disk-shaped end plate 20 is fitted to an upper end opening portion of the container 1, i.e., an upper end 11B of the cylindrical portion 11, and the end plate 20 may be made of, for example, an aluminum material. The end plate 20 has an inlet port 201 connectable to a refrigerant inlet pipe (not shown) and an outlet port 202 connectable to a refrigerant outlet pipe (not shown), and the end plate 20 is provided with a mounting hole 204 communicating with the outlet port 202 via a communication passage 203. An opening 31 at the upper end of a draft tube 3 is fitted and fixed to the mounting hole 204, the draft tube 3 is disposed at a substantially central position in the container in a drooping shape, and a lower end opening 32 of the draft tube 3 is provided opposite to the bottom 14. Further, a drying section 4 formed of a cup-shaped container is fixed to the outer periphery of the draft tube 3. The drying agent 45 of the drying section 4 is filled in a cup-shaped container made of, for example, synthetic resin by an upper felt 43 and a lower felt 44, and is sealed by a disc-shaped upper cover member 41 and a lower cover member 42 which are in contact with the felts.
The upper and lower cover members 41 and 42 are formed with a plurality of through holes (not shown), the draft tube 3 is inserted through the central hole 46 of the upper and lower cover members 41 and 42, and the drying part 4 is supported by the swelling part 33 formed on the draft tube 3. Further, the draft tube 3 penetrates the swelling portion 33.
In the receiver T1 having this structure, the liquid refrigerant flowing from the inlet port 201 of the header 20 passes through the drying portion 4 and contacts the desiccant 45, is dried, and the dried liquid refrigerant enters the lower portion of the container 1, and the liquid refrigerant staying in the bottom portion 14 is sucked out from the lower end opening 32 thereof through the suction pipe 3, passes through the upper end opening 31 and the communication passage 203, and finally flows to the outside from the outlet port 202.
In the receiver T1 having this structure, since the bellows portion 12 is formed in the container 1, even if the receiver is affected by a load such as vibration of an automobile or by an impact of the high-pressure refrigerant flowing in, the receiver absorbs the vibration and the impact by the elastic force of the bellows portion 12 which is freely expanded and contracted, and the load is reduced. Thus, the draft tube 3 is prevented from being loosely fitted and fixed to the mounting hole 204 of the end plate 20, and the draft tube 3 is prevented from falling down in the container 1.
Therefore, even if the vehicle vibrates or is affected by the impact of the high-pressure refrigerant, the accumulator T1 can be stably operated, and durability and reliability can be ensured.
Further, since the corrugated portion 12 is integrally connected to the cylindrical portion 11 forming the container 1, it is not necessary to make a large change in the original reservoir structure.
Further, since the bellows portion 12 is formed integrally with the bottom portion 14, the refrigerant staying at the bottom portion of the lower end of the container 1 can be surely sucked out through the suction pipe 3.
Further, the cylindrical portion 11 and the corrugated portion 12 of the reservoir are integrally formed of a copper material, and therefore, processing is easy, and moreover, processing time can be saved, so that the reservoir is relatively easy to assemble.
Fig. 2 is a cross-sectional side view of another embodiment of the reservoir of the present invention.
The basic construction of the reservoir T2 of this embodiment is the same as that of the reservoir T1 shown in fig. 1, but the cylindrical portion 11 and the corrugated portion 12 and the inclined portion 13 and the bottom portion 14 constituting the reservoir T1 shown in fig. 1 are formed integrally of, for example, copper material, whereas the reservoir T2 shown in fig. 2 is formed by joining different metal materials to form the container 21 thereof, which are different from each other.
Therefore, the reservoir T2 in fig. 2 is denoted by the same reference numeral as the reservoir T1 in fig. 1, and description thereof is omitted.
In fig. 2, the reservoir T2 is composed of a cylindrical portion 22 constituting the upper half of the cylindrical member of the container 21 and a corrugated portion 23 forming the side wall of the lower half, the cylindrical portion 22 is made of, for example, aluminum as a metal material, the corrugated portion 23 is made of, for example, copper as a metal material, and the lower end opening portion 22A of the cylindrical portion 22 and the upper end opening portion 23A of the corrugated portion 23 are joined by welding, for example, friction welding.
In addition, the inclined portion 24 of the corrugated portion 23 and the flat bottom portion 25 forming the bottom of the lower end are integrally connected by a copper material.
Therefore, the container 21 of the reservoir T2 is formed integrally by joining the cylindrical portion 22 made of aluminum material and the corrugated portion 23 made of copper material, which are separate bodies, by friction welding.
Further, 23B denotes a welded portion.
In the receiver T2 having this configuration, similarly to the receiver T1 shown in fig. 1, the liquid refrigerant staying in the bottom portion 25 is sucked out through the suction pipe 3 and flows to the outside through the outflow port 202.
In the receiver T2 having this configuration, since the bellows 23 is formed in the container 21, even if the container is affected by a load such as vibration of an automobile or impact of the high-pressure refrigerant flowing into the container, the vibration and the impact are absorbed by the elastic force of the bellows 23, which can expand and contract freely, and the load is reduced. Thus, the draft tube 3 can be prevented from falling down in the container 21.
Therefore, even if vibration occurs in the automobile or the like, the stable operation of the reservoir T2 can be maintained, and the durability and reliability thereof can be ensured.
Further, since the container 21 is formed by welding the cylindrical portion 22 and the corrugated portion 23, it is not necessary to make a large change in the original reservoir structure. Therefore, ease of assembly of the reservoir 2 can be achieved.
Fig. 3 is a cross-sectional side view of another embodiment of the reservoir T3 of the present invention.
The only difference between the reservoir T3 shown in fig. 3 and the reservoir T1 shown in fig. 1 is the construction of the drying section 4 comprising the cup-shaped container shown in fig. 1, the rest being the same as in fig. 1. Therefore, the same portions as those in fig. 1 are denoted by the same reference numerals, and description thereof is omitted. The liquid receiver T3 shown in fig. 3 has a bagged drying section 5 provided outside the draft tube 3. The bagged drying section 5 has a felt bag 51 filled with a drying agent 52, for example, and the bag 51 is bound to the outside of the draft tube 3 by a binding string 53. The receiver T3 having this structure is also similar to the receiver T1 of fig. 1, and the liquid refrigerant flowing in from the inlet 201 of the header 20 passes through the desiccant 52 in the drying section 5, is dried, and then the liquid refrigerant staying in the bottom 14 is sucked out by the suction pipe 3 and flows to the outside through the outlet 202.
In the receiver T3 shown in fig. 3, since the corrugated portion 12 is formed in the container 1, even if the container is affected by a load such as vibration of an automobile or impact of a high-pressure refrigerant, the corrugated portion 12 absorbs the vibration and the like and reduces the load, so that the suction pipe 3 can be prevented from coming off or the dry portion 5 can be prevented from being broken or coming off.
Fig. 4 is a cross-sectional side view of another embodiment of the reservoir T4 of the present invention. The only difference between the reservoir T4 in fig. 4 and the reservoir T2 in fig. 2 is that the drying section 4 is constituted by a cup-shaped container, and the other configurations are the same. Therefore, the same portions as those in fig. 2 are denoted by the same reference numerals, and the description thereof is omitted. In the reservoir T4 of fig. 4, the drying section 50 is provided outside the draft tube 3, and since the structure of the drying section 50 is the same as that of the drying section 5 shown in fig. 3, the same reference numerals are used to designate the same parts of the drying section 50 as those of the drying section 5 shown in fig. 3, and the description thereof is omitted.
Therefore, the receiver T4 shown in fig. 4 can suck out the liquid refrigerant staying in the bottom portion 25 through the suction pipe 3 and flow out through the outflow port 202. Further, since the bellows portion 23 is formed in the container 21, shock due to vibration of an automobile or fluctuation of a high-pressure refrigerant can be absorbed, and thus, dropping of the draft tube 3 or damage or dropping of the drying part 50 can be avoided.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention. It should be noted that the components of the present invention are not limited to the above-mentioned overall application, but can be combined with other prior art according to actual needs, and therefore, the present invention naturally covers other combinations and specific applications related to the invention.
Claims (7)
1. A liquid reservoir includes a container composed of a bottomed cylindrical member;
an end plate provided with a refrigerant inlet and a refrigerant outlet;
a draft tube which is disposed at a substantially central position in the container and which is suspended from the end plate for closing the upper end of the cylindrical member;
and a drying section disposed outside the aspiration tube;
the upper end of the draft tube is connected with the refrigerant outlet, and simultaneously, the liquid refrigerant staying at the bottom of the lower end of the container flows to the outside from the lower end of the draft tube through the refrigerant outlet;
the container is characterized in that the container formed by the cylindrical component is provided with a corrugated part arranged at the lower part of the container.
2. The reservoir of claim 1, wherein the container upper half is formed as a cylindrical portion, the corrugated portion forms a lower sidewall of the container and is connected to the cylindrical portion, and the corrugated portion is formed integrally with a lower end bottom of the container.
3. A reservoir as defined in claim 2, wherein the cylindrical portion and the corrugated portion are integrally formed of a metallic material.
4. A reservoir as defined in claim 2, wherein the cylindrical portion and the corrugated portion are integrally formed of a metallic material by welding.
5. A reservoir as defined in claim 3, wherein the metallic material is a copper material.
6. The reservoir of claim 4, wherein the weld is a friction weld.
7. A reservoir as defined in claim 6, wherein the cylindrical portion is formed of aluminum and the corrugated portion is formed of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110063343.9A CN102679643B (en) | 2011-03-16 | 2011-03-16 | Liquid reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110063343.9A CN102679643B (en) | 2011-03-16 | 2011-03-16 | Liquid reservoir |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102679643A CN102679643A (en) | 2012-09-19 |
| CN102679643B true CN102679643B (en) | 2014-10-22 |
Family
ID=46811943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110063343.9A Active CN102679643B (en) | 2011-03-16 | 2011-03-16 | Liquid reservoir |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102679643B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201852383U (en) | 2010-11-17 | 2011-06-01 | 浙江三花汽车控制系统有限公司 | Heat exchanger and liquid storing device thereof |
| JP6068938B2 (en) * | 2012-11-08 | 2017-01-25 | 株式会社不二工機 | accumulator |
| JP6514981B2 (en) * | 2015-07-17 | 2019-05-15 | 株式会社不二工機 | accumulator |
| CN105180530B (en) * | 2015-08-28 | 2018-04-20 | 珠海格力电器股份有限公司 | Liquid separator and compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4827725A (en) * | 1988-07-05 | 1989-05-09 | Tecumseh Products Company | Suction accumulator with dirt trap |
| CN1091701A (en) * | 1993-02-26 | 1994-09-07 | 株式会社不二工机制作所 | Gas storing dryor used for air conditioner of vehicles |
| KR100527919B1 (en) * | 1998-04-24 | 2005-11-15 | 가부시기가이샤 후지고오키 | Receiver drier |
| CN201233142Y (en) * | 2008-06-30 | 2009-05-06 | 苏州新智机电工业有限公司 | Liquid storage drier |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08121910A (en) * | 1994-10-26 | 1996-05-17 | Fuji Koki Seisakusho:Kk | Receiver dryer |
-
2011
- 2011-03-16 CN CN201110063343.9A patent/CN102679643B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4827725A (en) * | 1988-07-05 | 1989-05-09 | Tecumseh Products Company | Suction accumulator with dirt trap |
| CN1091701A (en) * | 1993-02-26 | 1994-09-07 | 株式会社不二工机制作所 | Gas storing dryor used for air conditioner of vehicles |
| KR100527919B1 (en) * | 1998-04-24 | 2005-11-15 | 가부시기가이샤 후지고오키 | Receiver drier |
| CN201233142Y (en) * | 2008-06-30 | 2009-05-06 | 苏州新智机电工业有限公司 | Liquid storage drier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102679643A (en) | 2012-09-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 301 Applicant after: Zhejiang Sanhua Automobile Components Co., Ltd. Address before: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 301 Applicant before: Zhejiang Sanhua Auto Parts Co.,Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG SANHUA AUTO PARTS STOCK CO., LTD. TO: ZHEJIANG SANHUA AUTO PARTSCO., LTD. |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |