CN101663547A - Branch pipe device - Google Patents
Branch pipe device Download PDFInfo
- Publication number
- CN101663547A CN101663547A CN200880005363A CN200880005363A CN101663547A CN 101663547 A CN101663547 A CN 101663547A CN 200880005363 A CN200880005363 A CN 200880005363A CN 200880005363 A CN200880005363 A CN 200880005363A CN 101663547 A CN101663547 A CN 101663547A
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- CN
- China
- Prior art keywords
- connecting portion
- big footpath
- branch pipe
- planar portions
- main body
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/023—Y- pieces
Abstract
A branch pipe device comprises a branch pipe body (1) having a small diameter joint (3) of a circular cross-section at one end, and a large diameter joint (4) of a flat elliptic cross-section at the other end where mutually parallel plane portions (5) extending in the direction intersecting the axial direction perpendicularly and a curved surface portion (6) coupling the opposite ends of the planeportions (5) are formed, and two connection pipes (10) inserted into the large diameter joint (4) of the branch pipe body (1) under a mutually adhering state and secured in place. In the cross-section at the end of the connection pipe (10) connected with the large diameter joint (4), the portion facing the plane portion (5) of the large diameter joint (4) is a second plane portion (13), the portion where the connection pipes face each other is a first plane portion (12), and the portion facing the curved surface portion (6) of the large diameter joint (4) is formed as a curved surface portion(11). Consequently, the end shape of the connection pipe (10) being inserted thereinto can be enlarged as compared with the prior art, and pressure loss can be reduced by minimizing variation in fluid flowing area.
Description
Technical field
The present invention relates to for example to be used for a plurality of off-premises stations are communicated with the air attemperation apparatus that forms with a plurality of indoor units and constitute the improvement of branch pipe device of the part of above-mentioned refrigerant piping device with the refrigerant piping device.
Background technology
There is a kind of being provided to have a plurality of temperature and wait to regulate air attemperation apparatus in the medium-scale buildings such as the high building in place or factory.This air attemperation apparatus comprises many off-premises stations that are disposed at outside the room and is separately positioned on a plurality of temperature waits to regulate indoor unit in the place, and these off-premises stations and indoor unit are communicated with by means of the refrigerant piping device.
Above-mentioned refrigerant piping device has refrigerant pipe that is connected in each off-premises station and the main pipe arrangement that is connected with this refrigerant pipe via the connector as the pipe arrangement connector.Also have the refrigerant pipe that is connected in each indoor unit and a plurality of branch pipe devices and branch's base that this refrigerant pipe is connected with above-mentioned main pipe arrangement.
Especially, above-mentioned branch pipe device is made of the branched pipe main body that roughly is the Y font and 2 tube connectors being connected in this branched pipe main body.Branch pipe device can will be directed in 2 tube connectors of cold-producing medium shunting guiding of branched pipe main body one end, thereby by a plurality of branch pipe devices cold-producing medium is branch-like ground each indoor unit of guiding.Perhaps from indoor unit with the backflow refrigerant off-premises station that leads.
Above-mentioned branch pipe device has for example No. 3118033 disclosed formation of communique of utility model registration.Promptly, the branched pipe main body forms the large-diameter pipe shape portion of tubing size itself with the branch insertion section of an end, is processed to form the path tube and the other end is carried out constriction.The end of above-mentioned tube connector is shaped in the corresponding mode of large-diameter pipe shape portion internal diameter with the branched pipe main body, and is inserted into fixing under the state of driving fit mutually.
Yet the cross sectional shape of the path tube of disclosed branched pipe main body is circular in No. 3118033 communique of utility model registration, and the cross sectional shape of its large-diameter pipe shape portion is the circle of tubing itself.Therefore, 2 tube connectors that insert large-diameter pipe shape portion only end are processed as semi-circular cross-section through die forging processing etc., and the major part except that the end or rounded.
In branch pipe device, the cold-producing medium that is directed to the path tube of branched pipe main body is derived to each tube connector by large-diameter pipe shape portion.As the cold-producing medium circulation area, because it is end formed for semicircle to be connected in the tube connector of large-diameter pipe shape portion, so the cold-producing medium circulation area is dwindled quickly, and it is rounded to connect the tube connector end of refrigerant pipe, so the cold-producing medium circulation area increases.
Thus, the cold-producing medium circulation area is shaped in the meeting mode that great changes will take place in branch pipe device, exists the pressure loss of passing through cold-producing medium herein to increase, and influences the problem of air-conditioning ability.
Summary of the invention
Therefore, the objective of the invention is to, a kind of branch pipe device is provided, this branch pipe device is flat Long Circle by the cross section of the big footpath connecting portion of setting branched pipe main body, compare with branched pipe in the past, can enlarge the end shape of the tube connector that is inserted into, thereby Min. ground suppresses the variation of liquid communication area, reduces the pressure loss and improves reliability.
For satisfying above-mentioned purpose, branch pipe device of the present invention comprises branched pipe main body and 2 tube connectors, wherein, the branched pipe main body at one end has the cross section and is circular path connecting portion, and have the cross section at the other end is flat oblong big footpath connecting portion, should be formed with along the planar portions parallel to each other of direction extension perpendicular to axial direction and the curved face part at binding planar portions two ends by big footpath connecting portion, 2 tube connectors insert under the state of driving fit each other in the big footpath connecting portion that is fixed to the branched pipe main body, be connected in the middle of the shape in cross section of above-mentioned tube connector end of big footpath connecting portion, part and the tube connector respect to one another part relative with the planar portions of big footpath connecting portion are planar portions, and relative with the curved face part of big footpath connecting portion partially-formed be curved face part.
Description of drawings
Fig. 1 is the front view of the branch pipe device that relates to of expression the present invention the 1st embodiment.
Fig. 2 is pack into the front view of branched pipe main body of this branch pipe device of expression.
Fig. 3 A is a distolateral side view of this branched pipe main body of expression.
Fig. 3 B is another distolateral side view of this branched pipe main body of expression.
Fig. 4 has inserted the sectional view of the state of a pair of tube connector in the big footpath connecting portion of this branched pipe main body of expression.
Fig. 5 is the summary pie graph that expression has the air attemperation apparatus of this branch pipe device.
The specific embodiment
Below, for the present invention's the 1st embodiment is described with reference to the accompanying drawings, the component parts of branch pipe device S being used as the refrigerant piping device R among the air attemperation apparatus K uses.
At first, according to Fig. 5 the summary formation of air attemperation apparatus K is described.Air attemperation apparatus K shown here is preferably applied to have the medium-scale building that a plurality of air wait to regulate the place.
Air attemperation apparatus K by be disposed at many off-premises stations 100 outside the room, be installed on a plurality of indoor units 200 in the air place to be regulated (air is treated conditioning chamber) in the building, the refrigerant piping device R that each off-premises station 100 is communicated with indoor unit 200 constitutes.Usually, with 1 gas side piping system and 1 hydraulic fluid side piping system the main pipe arrangement of totally 2 systems or 2 gas side piping systems and 1 hydraulic fluid side piping system the main pipe arrangement of totally 3 systems constitute refrigerant piping device R, the main pipe arrangement with above-mentioned any 1 system among Fig. 5 is that example describes.In the part of this refrigerant piping device R the branch pipe device S that will narrate is in the back arranged.
Do not limit all above-mentioned off-premises station 100 centralized configuration in same position, but according to the situation outside the room, wherein 1 or many off-premises stations 100 are disposed at the position that separates with other off-premises stations 100 or the position of difference of height is arranged.The refrigerant pipe Pa that constitutes refrigerant piping device R is connected with these off-premises stations 100.
Main pipe arrangement Pb is connected in the end of each refrigerant pipe Pa by T-branch connector d.Above-mentioned main pipe arrangement Pb extends in the export-oriented building in room, and is connected with the 1st branched pipe Sa as branch pipe device S that is located at herein.Above-mentioned the 1st branched pipe Sa is the Y font, connects above-mentioned main pipe arrangement Pb on the distolateral connecting portion of one.
Be connected with the pipe arrangement Pc of branch respectively on distolateral 2 connecting portions of another of the 1st branched pipe Sa, a pipe arrangement Pc of branch is connected in the base end part of the base e of branch.The above-mentioned base e of branch has a plurality of connecting portions, and other connecting portions except that 1 connecting portion are communicated with indoor unit 200 by indoor unit connecting pipings Pd.
The residue connecting portion of the base e of branch is communicated with 2 indoor units 200 by connecting pipings Pd with as the 2nd branched pipe Sb of branch pipe device S.Be connected in the 3rd branched pipe Sc that connects on the pipe arrangement Pc of another branch of above-mentioned the 1st branched pipe Sa as branch pipe device S, the connecting portion of the 3rd branched pipe Sc is communicated with indoor unit 200 by indoor unit connecting pipings Pe.
Another connecting portion of the 3rd branched pipe Sc is connected with the 3rd branched pipe Sc as branch pipe device S by the pipe arrangement Pf of branch.Below same, the connecting portion of the 3rd branched pipe Sc is communicated with indoor unit 200 by indoor unit connecting pipings Pe, another connecting portion is connected with the 3rd branched pipe Sc as branch pipe device S by the 3rd pipe arrangement Sc of branch and the pipe arrangement Pf of branch.
In the 3rd final branched pipe Sc, two connecting portions connect indoor unit 200 by indoor unit pipe arrangement Pe.Thus, many off-premises stations 100 of air attemperation apparatus K and Duo Tai indoor unit 200 are connected by the refrigerant piping device R with branch pipe device S.
Next the branch pipe device S that constitutes refrigerant piping device R is described.
Fig. 1 is the pie graph of branch pipe device S, shows after the cutting-out part.
This branch pipe device S is made of 1 branched pipe main body 1 and 2 tube connectors 10.Promptly, the end of inserting branched pipe main body 1, an end of 2 tube connectors 10, for example link and be one by soldering processing.Draw the insulation D that represents to be installed on branch pipe device S in branch pipe device S double dot dash line on every side.
This insulation D is divided into two parts up and down and is mounted in the mode of clamping branch pipe device S.In addition, the length of the length direction of setting insulation D is longer than the length of branch pipe device S length direction.Thereby, can be in course of conveying branch pipe device S the end distortion that prevents branch pipe device S under the situation such as fall accidentally.
Fig. 2 is the front view that expression constitutes the branched pipe main body 1 of branch pipe device S, and Fig. 3 A is a distolateral side view of expression branched pipe main body 1, and Fig. 3 B is another distolateral side view of expression branched pipe main body 1.
Above-mentioned branched pipe main body 1 is circular path connecting portion 3 in the cross section for an end circular and that form the straight sections 2 of flat vertically has the cross section, and this path connecting portion 3 is expansion-molded to have the bigger mode of internal diameter of internal diameter than straight sections 2.The other end of above-mentioned straight sections 2 is provided with the big footpath connecting portion of narrating in the back 4, and the cross section of this big footpath connecting portion 4 is configured as flat Long Circle.
Above-mentioned big footpath connecting portion 4 is included in and extends with the axial vertical direction of straight sections 2 and planar portions 5 parallel to each other and semicircle curved face part 6 that the two ends of these planar portions 5 are linked.Above-mentioned planar portions 5 has the interval consistent with the internal diameter of straight sections 2, and the length of planar portions 5 length directions is consistent with the diameter of straight sections 2.The radius of above-mentioned curved face part 6 is configured as consistent with the radius of straight sections 2.
Therefore, by the end of straight sections 2 being carried out for example bulging processing, above-mentioned big footpath connecting portion 4 expand form two ends for the semicircle pars intermedia be the flat plane, the flat oblong shape in cross section.And, by cutting apart the middle body that can form bulge with axially vertical direction.
Especially the mid portion of the planar portions 5 in the connecting portion 4 of big footpath is integrally formed with outstanding to the inside vertically jut 7.In other words, be that planar portions 5 is cut apart on the boundary with this jut 7, each end of cutting apart side has curved face part 6.The overhang of above-mentioned jut 7 is very little to get final product, but must form mutually the same.
Insert in the big footpath connecting portion 4 of such branched pipe main body 1 end of 2 tube connectors 10.Fig. 4 is the sectional view that has inserted the state of 2 tube connector 10 ends in the connecting portion 4 of the big footpath of expression.
With axially vertical direction on, the cross sectional shape of above-mentioned tube connector 10 ends is: an end is semicircular curved face part 11, and with these curved face part 11 opposed other ends are planar portions 12.These curved face part 11 and planar portions 12 are by opposed planar portions 13 bindings in parallel with each other.In other words, planar portions 12,13 is combined as the cross section and is " コ " font, uses curved face part 11 with its open end closure.
For ease of explanation, the planar portions 12 that will be positioned at curved face part 11 opposed positions is called " the 1st planar portions ".And will be along being called " the 2nd planar portions " perpendicular to the direction setting of the 1st planar portions 12 and with the planar portions 13 that the end of curved face part 11 and the 1st planar portions 12 interlinks.Therefore, be provided with 1 pair of the 2nd planar portions 13 parallel to each other.
The cross sectional shape of above-mentioned 2 tube connector 10 1 ends as mentioned above, and the cross sectional shape of its other end separately is circular.Promptly, each tube connector 10 is circular common tube for the cross section, the one end processes as shown in Figure 4 through expander (flare) processing back formation.The big footpath connecting portion 4 of branched pipe main body 1 is inserted in these ends, and is fixed by means such as solderings.
Particularly, the 1st planar portions 12 of each tube connector 10 fluid-tight engagement each other.Under this state, each tube connector 10 becomes the flat Long Circle in cross section that is long between curved face part 11 each other.Afterwards, with the curved face part 11 of each tube connector 10 respectively with the big footpath connecting portion 4 of branched pipe main body 1 on curved face part 6 each other over against, two tube connectors, 10 ends are inserted in the connecting portion 4 of big footpath thus.
The jut 7 of being located at big footpath connecting portion planar portions 5 inserts and between the bight 14 that the 1st planar portions 12 and the 2nd planar portions 13 of each tube connector 10 forms.Therefore, under the closely relative each other state of the 1st planar portions 12 of each tube connector 10, opposed bight 14 has the gap each other, and under tube connector 10 ends were inserted into state in the big footpath connecting portion 4 mutually, there was not the gap to each other in bight 14.
The end of each tube connector 10 is inserted and remained in advance in the big footpath connecting portion 4 of branched pipe main body 1, carry out soldering processing along the end of big footpath connecting portion 4.Simultaneously on branched pipe main body 1, install and fix each tube connector 10, thereby obtain branch pipe device S.Tube connector 10 and the big directly mutual fluid-tight engagement of whole periphery of connecting portion 4 so be easy to hold solder, can carry out soldering processing effectively.
For example, under the situation that all is not single planar portions 5, produce the space between planar portions 5 and the bight 14, so need bury the space with solder on the connecting portion 4 of big footpath jut 7 being set.But, since here the bight 14 that is inserted into tube connector 10 with jut 7 to each other, so very close to each other, do not need to carry out the operation of landfill with solder.
Constitute branch pipe device S like this, install according to shown in Figure 5 again.Cold-producing medium is by from connecting the pipe arrangement guiding straight sections 2 with path connecting portion 3, and then is directed into big footpath connecting portion 4.Then, led respectively and inserted the tube connector 10 that is fixed on the big footpath connecting portion 4, and guided, thereby imported to indoor unit 200 to the refrigerant pipe that is connected with these tube connectors 10.
In addition, in branch pipe device S, the cold-producing medium circulation area that is connected in the pipe arrangement of path connecting portion 3 and straight sections 2 is mutually the same, so there is not the pressure loss herein.Cold-producing medium is directed to big footpath connecting portion 4 and divides and to flow to tube connector 10 ends from straight sections 2.The size of the cold-producing medium circulation area of each tube connector 10 ends is bigger slightly than the cold-producing medium circulation area of straight sections 2, but not big must going against accepted conventions.
Therefore, cold-producing medium during from straight sections 2 guiding tube connectors 10 ends, had only the very little pressure loss.When the cold-producing medium guiding cross section that will come out from tube connector 10 ends was the part of circle, the variation of cold-producing medium circulation area was very little, so the pressure loss is also very little.As a result, branch pipe device S can enlarge the cold-producing medium circulation area, makes the pressure loss of cold-producing medium very little and can obtain the raising of heat exchange performance and reliability.
In addition, more than cold-producing medium is illustrated to the mobile of indoor unit from off-premises station, but in fact cold-producing medium also can reflux to off-premises station 100 from indoor unit 200.Also possess branch pipe device S herein, cold-producing medium is according to circulating with above-mentioned opposite direction.In this case, the pressure loss of cold-producing medium is also very little, and can obtain the raising of heat exchange performance and reliability.
In addition,, be not limited to this, also can be arranged in the piping arrangement of other fluids of guiding though be to come the mode of cold-producing medium channeling conduct is described according in the refrigerant piping device R that constitutes air attemperation apparatus K, branch pipe device S being set.
And the present invention is not limited by above-mentioned embodiment itself, the implementation phase in, can in the scope that does not break away from theme, specifically be out of shape inscape, can pass through the disclosed a plurality of inscapes of the above-mentioned embodiment of appropriate combination, form various inventions.
Utilizability on the industry
According to the present invention, can enlarge the circulation area of fluid and reduce the pressure loss, play raising The certainty equivalence fruit.
Claims (2)
1. a branch pipe device is characterized in that, comprises branched pipe main body and 2 tube connectors,
Described branched pipe main body at one end has the cross section and is circular path connecting portion, and have the cross section at the other end is flat oblong big footpath connecting portion, and should be formed with along the planar portions parallel to each other of direction extension perpendicular to axial direction and the curved face part that links these planar portions two ends by big footpath connecting portion;
Described 2 tube connectors are inserted in the described big footpath connecting portion of described branched pipe main body under the state of driving fit each other and are fixed,
The cross sectional shape of end that is connected in the described tube connector of described big footpath connecting portion constitutes: part and the described tube connector respect to one another part relative with the planar portions of described big footpath connecting portion are planar portions, and relative with the curved face part of described big footpath connecting portion partially-formed be curved face part.
2. branch pipe device according to claim 1 is characterized in that,
Planar portions mid portion in the connecting portion of the big footpath of described branched pipe main body is provided with outstanding to the inside vertically jut.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007042420 | 2007-02-22 | ||
| JP042420/2007 | 2007-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101663547A true CN101663547A (en) | 2010-03-03 |
Family
ID=39710089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200880005363A Pending CN101663547A (en) | 2007-02-22 | 2008-02-20 | Branch pipe device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2008102815A1 (en) |
| CN (1) | CN101663547A (en) |
| WO (1) | WO2008102815A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299348A (en) * | 2015-10-14 | 2016-02-03 | 珠海格力电器股份有限公司 | Air-conditioning pipeline connecting device and air-conditioning system |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG189070A1 (en) * | 2010-10-01 | 2013-05-31 | Sharp Kk | Heat exchange device, evaporator, and refrigeration storage unit |
| JP5319639B2 (en) * | 2010-10-01 | 2013-10-16 | シャープ株式会社 | Evaporator and refrigerator using the same |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52143515A (en) * | 1976-05-25 | 1977-11-30 | Toyota Motor Corp | Tube dividing device |
| JPS54156223U (en) * | 1978-04-24 | 1979-10-30 | ||
| JPS61160512A (en) * | 1985-01-08 | 1986-07-21 | Yamaha Motor Co Ltd | Exhaust pipe manifold structure in vehicle engine |
| JPH10339521A (en) * | 1997-06-10 | 1998-12-22 | Gou Shoji Kk | Branching pipe for refrigerant |
| JP4713947B2 (en) * | 2005-05-30 | 2011-06-29 | カルソニックカンセイ株式会社 | Piping composed of a multi-hole pipe and a plurality of branch pipes, a connection structure thereof, and a method of forming the branch pipe |
| JP2008002559A (en) * | 2006-06-22 | 2008-01-10 | Kakinuma Kinzoku Seiki Kk | Pipe flow divider for refrigerant cycle |
-
2008
- 2008-02-20 CN CN200880005363A patent/CN101663547A/en active Pending
- 2008-02-20 JP JP2009500217A patent/JPWO2008102815A1/en active Pending
- 2008-02-20 WO PCT/JP2008/052882 patent/WO2008102815A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299348A (en) * | 2015-10-14 | 2016-02-03 | 珠海格力电器股份有限公司 | Air-conditioning pipeline connecting device and air-conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008102815A1 (en) | 2008-08-28 |
| JPWO2008102815A1 (en) | 2010-05-27 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100303 |