CN100375875C - Refrigerant distributor for heat exchanger and its assembling method - Google Patents
Refrigerant distributor for heat exchanger and its assembling method Download PDFInfo
- Publication number
- CN100375875C CN100375875C CNB2003101067852A CN200310106785A CN100375875C CN 100375875 C CN100375875 C CN 100375875C CN B2003101067852 A CNB2003101067852 A CN B2003101067852A CN 200310106785 A CN200310106785 A CN 200310106785A CN 100375875 C CN100375875 C CN 100375875C
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- distributor body
- distributor
- heat exchanger
- fixed disk
- refrigerant pipe
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Abstract
The present invention discloses a cooling medium distributor for a heat exchanger and an assembly method thereof. The cooling medium distributor comprises a distributor body, cooling medium pipes and homogenization components, wherein the distributor body is in the shape of a hollow cylinder, a cooling medium inflow opening is formed at one end of the distributor body, and a bottom surface with a plurality of through holes is formed at the other end of the distributor body in a sealed mode; the cooling medium pipes respectively pass through the through holes to be inserted into the distributor body; the homogenization components are arranged in a center position in the distributor body along the length direction of the distributor body. The homogenization components comprise a disk-shaped fixed disk and a flow guide column, wherein the disk-shaped fixed disk is fixed on the inner wall of the tail end of the distributor body at which the through holes are formed, and annular through grooves in which the cooling medium pipes can be inserted are formed on the disk-shaped fixed disk; one end of the flow guide column is fixed in the center of the disk-shaped fixed disk, and the other end of the flow guide column points to the cooling medium inflow opening. The present invention has the advantages that an assembly process is simple, cooling media can be favorably and uniformly led to all the cooling medium pipes, and noise generated by a vortex can be furthest lowered.
Description
Technical field
The present invention relates to a kind of heat exchanger, particularly relate to a kind of heat exchanger coolant distributor and assembly method thereof.
Background technology
In general, household electrical appliance such as air-conditioner and refrigerator produce cold air by heat exchanger or wet is realized its refrigeration or pyrogenicity function, be formed with several refrigerant pipes of carrying refrigerants on the heat exchanger and attached to the several cooling fins of refrigerant pipe, Guan Yuyi coolant distributor of each refrigerant of heat exchanger is connected, and receives refrigerant by coolant distributor.
As depicted in figs. 1 and 2, the structure of the coolant distributor of existing heat exchanger is: main body is that an end of columnar distributor body 1 is formed with refrigerant inflow entrance 2, the other end is formed with several through holes 3, and each through hole 3 is inserted with a refrigerant pipe 5 respectively; The inside of distributor 1 is formed with the mesh type filter 4 that is used for filtering foreign matter in the refrigerant.
From the refrigerant that the inflow entrance 2 of distributor body 1 flows into, when flowing through mesh type filter 4, the foreign matter that mixes in the refrigerant is filtered, and the refrigerant after the filtration enters heat exchanger by the refrigerant pipe 5 that is inserted in each through hole 3.
Above-mentioned existing heat exchanger with the shortcoming of coolant distributor is: when refrigerant is flowed through the mesh type filter 4 of distributor body 1 inside, be subjected to the obstruction of filter and produce eddy current in the place ahead of mesh type filter 4, not only can produce bigger noise, and refrigerant can not distribute to each refrigerant pipe equably, reduced heat exchanger effectiveness.
In addition, when making coolant distributor, do not insert refrigerant pipe 5 in each through hole 3, refrigerant pipe 5 inserts each through hole 3 when coolant distributor is installed, be difficult to during on-the-spot the installation guarantee that the refrigerant pipe 5 that inserts vertically inserts each through hole 3 with refrigerant pipe 5, therefore can't guarantee the installation quality of coolant distributor.
Specifically, when above-mentioned existing coolant distributor is installed, at first the end of each refrigerant pipe 5 is inserted after the through hole 3 of body 1, then with each refrigerant pipe 5 welding and fixing, but in welding process, be difficult to make the refrigerant pipe 5 of insertion to keep plumbness, the refrigerant pipe 5 after the welding tends to be in heeling condition as shown in Figure 2; If each refrigerant pipe 5 is mounted obliquely within on the distributor, can produce eddy current behind the end of the refrigerant pipe 5 that the refrigerant arrival of the mesh type of flowing through filter 4 is tilted, the generation of this eddy current is the further maximum noise of coolant distributor can not be distributed to refrigerant each refrigerant pipe 5 simultaneously equably.
Summary of the invention
Technical problem to be solved by this invention is, overcome the shortcoming of above-mentioned existing heat exchanger coolant distributor, the heat exchanger that provides a kind of the eddy current of inner skeleton is minimized, reduces noise, refrigerant is evenly supplied with to each refrigerant pipe is with coolant distributor and assembly method thereof.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: heat exchanger coolant distributor of the present invention comprises: distributor body, refrigerant pipe and homogenising parts; Described distributor body is the hollow cylinder shape, and the one end is formed with the refrigerant inflow entrance, and other end sealing forms the bottom surface that has several through holes; Described refrigerant pipe inserts the inside of distributor body respectively by through hole; Described homogenising parts are arranged on the central interior position of distributor body along the length direction of distributor body.
Described homogenising parts comprise: discoidal fixed disk and diversion column; Described discoidal fixed disk is fixed on the inwall of end of the distributor body that is formed with through hole, is formed with on the fixed disk and can inserts refrigerant pipe ring shape through slot; One end of described diversion column is positioned at the central authorities of fixed disk, and the other end points to inflow entrance.
Described discoidal fixed disk and diversion column are into a single integrated structure, are fixed on the bottom surface inwall of the distributor body that is formed with through hole.
Described refrigerant pipe passes through hole respectively and the annular pass-through groove inserts coolant distributor, with the outer peripheral face keeping parallelism of diversion column; Described diversion column is the semi-round ball shape towards the end of inflow entrance, thereby can lead each refrigerant pipe refrigerant is smooth and easy, equably.
The invention has the beneficial effects as follows: flow into the intrinsic refrigerant of coolant distributor, after running near the semicircle bulbous end of diversion column of the homogenising parts the inflow entrance, will flow along the outer peripheral face of diversion column, so smooth and easy, flow in each the refrigerant pipe that is arranged on the diversion column outside equably.During the diversion column of homogenising parts terminal, also can produce some eddy current though refrigerant is flowed through, the semicircle bulbous end of diversion column belongs to streamlined, and is very little to the resistance of refrigerant, and therefore the eddy current that produces is reduced to bottom line.
In addition, with in the assembling process of coolant distributor, except the operation of the through hole that the refrigerant pipe is fixed on distributor body, other operations all need not to use welding processing, have simplified assembly technology greatly at heat exchanger of the present invention.
In addition, because the diversion column of homogenising parts is arranged between each refrigerant pipe, so the refrigerant pipe is being inserted in the body and fixedly the time, diversion column has played the effect of guiding refrigerant pipe, so each refrigerant pipe is when welding fixedly, can the run-off the straight phenomenon, further reduce the generation of eddy current, thereby reduced the overall noise of heat exchanger.
Description of drawings
Fig. 1 is the longitudinal sectional view of existing heat exchanger with coolant distributor;
Fig. 2 is the inner refrigerant flow regime schematic diagram that takes place of existing coolant distributor;
Fig. 3 is the structural representation of heat exchanger of the present invention with coolant distributor embodiment 1;
Fig. 4 is the cutaway view of heat exchanger of the present invention with coolant distributor embodiment 1;
Fig. 5 is the stereogram of the homogenising parts of coolant distributor among Fig. 3;
Fig. 6 is the stereogram of heat exchanger of the present invention with the diversion column of homogenising parts among the coolant distributor embodiment 2;
Fig. 7 is the stereogram of heat exchanger of the present invention with the diversion column of homogenising parts among the coolant distributor embodiment 3;
Fig. 8 is the cutaway view of heat exchanger of the present invention with the diversion column of homogenising parts among the coolant distributor embodiment 4;
Fig. 9 is the assemble sequence figure of heat exchanger of the present invention with coolant distributor.
Among the figure:
11: distributor body 12: inflow entrance
13: through hole 15: the refrigerant pipe
20: homogenising parts 21: fixed disk
22: diversion column
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Embodiment 1
As Fig. 3, Fig. 4 and shown in Figure 5, heat exchanger of the present invention comprises with coolant distributor: distributor body 11, refrigerant pipe 15 and homogenising parts 20; Described distributor body 11 is the hollow cylinder shape, and the one end is formed with refrigerant inflow entrance 12, and other end sealing forms the bottom surface that has several through holes 13; Described refrigerant pipe inserts the inside of distributor body respectively by through hole; Described homogenising parts 20 are arranged on the central interior position of distributor body 11 along the length direction of distributor body 11.
Described homogenising parts 20 comprise: discoidal fixed disk 21 and diversion column 22; Described discoidal fixed disk 21 is fixed on the bottom surface inwall of the body 11 that is formed with through hole 13, is formed with on the fixed disk 21 to insert refrigerant pipe 15 annular pass-through groove 21a; The central authorities of one end fixed disk 21 of described diversion column 22, the other end points to inflow entrance 12.
Described refrigerant pipe 15 passes through hole 13 respectively and annular pass-through groove 21a inserts coolant distributor, with the outer peripheral face keeping parallelism of diversion column 22; Described diversion column 22 is the semi-round ball shape towards the end of inflow entrance 12, thereby can will make smooth and easy, each refrigerant pipe 15 that leads equably of refrigerant.
As shown in Figure 6, described diversion column 122 is a cylindrical shape, alongst is formed with several refrigerant pipe gathering sills 123 on its outer peripheral face.
As shown in Figure 7, described diversion column 222 is a truncated conical shape, and its diameter longshore current inlet 12 to through hole 13 directions increase gradually.
Embodiment 4
As shown in Figure 8, described discoidal fixed disk 321 is into a single integrated structure with diversion column 322, makes described homogenising parts 320 to form by the punch process to sheet material, has simplified manufacturing process.
It is worthy of note, though the homogenising parts all are the ends that is fixed on distributor body 11 by a disc fixed disk in the various embodiments described above, but also can not use fixed disk, directly diversion column is fixed on the bottom surface inwall of distributor body with the one form.
Below with reference to the coolant distributor of Fig. 4, the course of work of heat exchanger of the present invention with coolant distributor is illustrated:
Flow into the refrigerant of distributor body 11 from inflow entrance 12, after running near the semicircle bulbous end of diversion column 22 of the homogenising parts 20 the inflow entrance 12, will flow along the outer peripheral face of diversion column 22, so smooth and easy, flow into and be arranged in each refrigerant pipe 15 in diversion column 22 outsides equably.
During the diversion column 22 of homogenising parts 20 terminal, also can produce some eddy current though refrigerant is flowed through, the semicircle bulbous end of diversion column 22 belongs to streamlined, and is very little to the resistance of refrigerant, and therefore the eddy current that produces is reduced to bottom line.
Below with reference to Fig. 9 the assembly method of heat exchanger of the present invention with coolant distributor is illustrated:
Step 1: at first make distributor body 11 semi-finished product, distributor body 11 semi-finished product are cylindrical, the one end opening, and other end enclosed shape becomes the bottom surface of distributor body 11, is formed with several through holes 13 on the bottom surface; Then homogenising parts 20 are inserted from distributor body 11 half-finished openings.
Step 2: in mould, utilize drawing process that distributor body 11 half-finished openends are processed the gradually little inflow entrance of diameter 12, form complete distributor body 11.
Step 3: the bottom surface of the fixed disk 21 of homogenising parts 20 is contacted with the bottom surface of distributor body 11, form tight fit between the inner peripheral surface of the outer peripheral face of fixed disk 21 and distributor body 11.
Step 4: by the annular pass-through groove 21a on each through hole 13 and the fixed disk 21, each refrigerant pipe 15 is inserted distributor body 11, then it is weldingly fixed on each through hole 13 and each through hole 13 is sealed, coolant distributor assembling so far finishes.
With in the assembling process of coolant distributor, except the operation of the through hole 13 that refrigerant pipe 15 is fixed on distributor body 11, other operations all need not to use welding processing, have simplified assembly technology greatly at heat exchanger of the present invention.
In addition, because the diversion column 22 of homogenising parts 20 is arranged between each refrigerant pipe 15, so when refrigerant pipe 15 being inserted in the bodies 11 also fixedly, diversion column 22 has played the effect of guiding refrigerant pipe 15, so each refrigerant pipe can the run-off the straight phenomenon when welding fixedly.
Claims (7)
1. a heat exchanger coolant distributor comprises: distributor body and refrigerant pipe; Described distributor body is the hollow cylinder shape, and the one end is formed with the refrigerant inflow entrance, and other end sealing forms the bottom surface that has several through holes; Described refrigerant pipe inserts the inside of distributor body respectively by through hole; It is characterized in that: also comprise homogenising parts (20), described homogenising parts (20) are arranged on the central interior position of distributor body (11) along the length direction of distributor body (11); Described homogenising parts (20) comprising: discoidal fixed disk (21) and diversion column (22); Described discoidal fixed disk (21) is fixed on the bottom surface inwall of the distributor body (11) that is formed with through hole (13), is formed with on the fixed disk (21) and can inserts refrigerant pipe (15) annular pass-through groove (21a); One end of described diversion column (22) is positioned at the central authorities of fixed disk (21), and the other end points to inflow entrance (12).
2. heat exchanger coolant distributor according to claim 1 is characterized in that: described discoidal fixed disk (321) is into a single integrated structure with diversion column (322).
3. heat exchanger coolant distributor according to claim 2 is characterized in that: described diversion column (22) is the semi-round ball shape towards the end of inflow entrance (12), thereby can lead each refrigerant pipe (15) refrigerant is smooth and easy, equably.
4. heat exchanger coolant distributor according to claim 1 is characterized in that: described diversion column (222) is a truncated conical shape, and its diameter longshore current inlet (12) to through hole (13) direction increases gradually.
5. heat exchanger coolant distributor according to claim 1 is characterized in that: described diversion column (122) is a cylindrical shape, alongst is formed with several refrigerant pipe gathering sills (123) on its outer peripheral face.
6. heat exchanger coolant distributor according to claim 5 is characterized in that: the end of described diversion column (122) is a circular flat.
7. the heat exchanger according to claim 1 assembly method of coolant distributor is characterized in that: comprising:
Step 1: at first make distributor body (11) semi-finished product, distributor body (11) semi-finished product are cylindrical, the one end opening, and other end enclosed shape becomes the bottom surface of distributor body (11), is formed with several through holes (13) on the bottom surface; Then homogenising parts (20) are inserted from the half-finished opening of distributor body (11);
Step 2: in mould, utilize drawing process that the half-finished openend of distributor body (11) is processed the gradually little inflow entrance of diameter (12), form complete distributor body (11):
Step 3: the bottom surface of the fixed disk (21) of homogenising parts (20) is contacted with the bottom surface of distributor body (11), form tight fit between the inner peripheral surface of the outer peripheral face of fixed disk (21) and distributor body (11);
Step 4: by the annular pass-through groove (21a) on each through hole (13) and the fixed disk (21), each refrigerant pipe (15) is inserted distributor body (11), then it is weldingly fixed on each through hole (13) and each through hole (13) is sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101067852A CN100375875C (en) | 2003-10-30 | 2003-10-30 | Refrigerant distributor for heat exchanger and its assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101067852A CN100375875C (en) | 2003-10-30 | 2003-10-30 | Refrigerant distributor for heat exchanger and its assembling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1611872A CN1611872A (en) | 2005-05-04 |
| CN100375875C true CN100375875C (en) | 2008-03-19 |
Family
ID=34757756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101067852A Expired - Fee Related CN100375875C (en) | 2003-10-30 | 2003-10-30 | Refrigerant distributor for heat exchanger and its assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100375875C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1922127A1 (en) * | 2005-08-09 | 2008-05-21 | Eestech, Inc. | A distributor for a flowable medium |
| JP4294680B2 (en) * | 2006-11-14 | 2009-07-15 | 日立アプライアンス株式会社 | Refrigerant distributor and air conditioner equipped with refrigerant distributor |
| CN109567928A (en) * | 2018-11-09 | 2019-04-05 | 湖南爱芷生医疗科技有限公司 | A kind of superconduction deep-frozen cutter head system |
| CN112880250A (en) * | 2021-03-25 | 2021-06-01 | 珠海格力电器股份有限公司 | Flow dividing device and air conditioner |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6479555A (en) * | 1987-09-18 | 1989-03-24 | Matsushita Refrigeration | Refrigerant flow diverter |
| JPH01123963A (en) * | 1987-11-09 | 1989-05-16 | Matsushita Refrig Co Ltd | Refrigerant diverter |
| JPH09159320A (en) * | 1995-12-05 | 1997-06-20 | Matsushita Electric Ind Co Ltd | Refrigerant distributor |
| CN1188885A (en) * | 1997-01-20 | 1998-07-29 | 三星电子株式会社 | Refrigerant distributor of heat exchanger for air-conditioner |
| JPH10246535A (en) * | 1997-03-05 | 1998-09-14 | Daikin Ind Ltd | Refrigerant distributor |
| JPH11257801A (en) * | 1998-03-16 | 1999-09-24 | Daikin Ind Ltd | Refrigerant distributor |
| CN2569008Y (en) * | 2001-07-30 | 2003-08-27 | 大金工业株式会社 | Shunt muffle and air conditioner using same |
-
2003
- 2003-10-30 CN CNB2003101067852A patent/CN100375875C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6479555A (en) * | 1987-09-18 | 1989-03-24 | Matsushita Refrigeration | Refrigerant flow diverter |
| JPH01123963A (en) * | 1987-11-09 | 1989-05-16 | Matsushita Refrig Co Ltd | Refrigerant diverter |
| JPH09159320A (en) * | 1995-12-05 | 1997-06-20 | Matsushita Electric Ind Co Ltd | Refrigerant distributor |
| CN1188885A (en) * | 1997-01-20 | 1998-07-29 | 三星电子株式会社 | Refrigerant distributor of heat exchanger for air-conditioner |
| JPH10246535A (en) * | 1997-03-05 | 1998-09-14 | Daikin Ind Ltd | Refrigerant distributor |
| JPH11257801A (en) * | 1998-03-16 | 1999-09-24 | Daikin Ind Ltd | Refrigerant distributor |
| CN2569008Y (en) * | 2001-07-30 | 2003-08-27 | 大金工业株式会社 | Shunt muffle and air conditioner using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1611872A (en) | 2005-05-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20101030 |