CN215003144U - Distributor for plate heat exchanger and plate heat exchanger - Google Patents
Distributor for plate heat exchanger and plate heat exchanger Download PDFInfo
- Publication number
- CN215003144U CN215003144U CN202022939568.3U CN202022939568U CN215003144U CN 215003144 U CN215003144 U CN 215003144U CN 202022939568 U CN202022939568 U CN 202022939568U CN 215003144 U CN215003144 U CN 215003144U
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- flange
- positioning
- heat exchanger
- distributor
- heat transfer
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Abstract
The utility model discloses a distributor and a plate heat exchanger for plate heat exchanger. The dispenser includes: a barrel having a barrel wall and having a first end and a second end; a first flange formed at the first end; and a communicating projection. The communication projection projects from the cylinder wall of the cylinder in a direction away from the axis of the cylinder and projects from the first flange inside the outer edge of the first flange in a direction toward the second end of the cylinder, the communication projection having a communication projection wall with an axial communication projection wall facing the axial direction of the cylinder away from the first flange, the axial communication projection wall being between the first end and the second end of the cylinder and having at least one through hole. According to the utility model discloses a distributor and plate heat exchanger can reduce the manufacturing degree of difficulty, when guaranteeing good distribution performance, also can avoid the through-hole to be stopped up by the solder when brazing the risk.
Description
Technical Field
The embodiment of the utility model provides a distributor and a plate heat exchanger for plate heat exchanger is related to.
Background
A heat exchange space is formed between two adjacent heat transfer plates of the plate heat exchanger. The fluid flows into the heat exchange space of the heat exchanger through the adapter tube, the channel formed in the heat transfer plate, and the distributor. The function of the dispenser is to control the dispensing properties of the fluid through one or more through-holes.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a distributor and a plate heat exchanger for plate heat exchanger, reduce the manufacturing degree of difficulty of distributor and plate heat exchanger from this.
According to the utility model discloses an embodiment provides a distributor for plate heat exchanger, include: a barrel having a barrel wall and having a first end and a second end, the barrel defining a barrel cavity therein; a first flange formed at the first end, the first flange extending from the first end in a direction away from an axis of the barrel, the first flange having an outer edge away from the barrel; and a communicating projection projecting from the cylinder wall of the cylinder portion in a direction away from the axis of the cylinder portion and projecting from the first flange inside an outer edge of the first flange in a direction toward the second end of the cylinder portion, the communicating projection having a communicating projection wall defining a communicating projection cavity therein, the communicating projection cavity communicating with the cylinder portion cavity, the communicating projection wall having an axial communicating projection wall facing in an axial direction of the cylinder portion away from the first flange, the axial communicating projection wall being between the first end and the second end of the cylinder portion and having at least one through hole.
According to an embodiment of the invention, the axial communication projection wall is between 1/3 and 2/3 of the distance between the first end and the second end of the barrel portion.
According to an embodiment of the invention, the distance between the outer edge of the axially communicating convex wall and the edge of the through hole is between 1 and 10 millimeters.
According to an embodiment of the invention, the width of the first flange is between 1 and 10 mm.
According to the utility model discloses an embodiment, a distributor for plate heat exchanger still include: positioning structure for positioning the distributor relative to a heat transfer plate of a plate heat exchanger.
According to an embodiment of the invention, the positioning structure is a positioning protrusion protruding from the first flange in a direction towards the second end of the barrel portion, inside the outer edge of the first flange.
According to the utility model discloses an embodiment, the location is protruding to be stretched out in the direction of keeping away from the axis of section of thick bamboo portion from the section of thick bamboo wall of section of thick bamboo portion, and the inboard of the outward flange of first flange is followed first flange stretches out in the direction towards the second end of section of thick bamboo portion, the location is protruding to have the protruding wall in location the protruding inner chamber in limited location in the wall in location, the protruding inner chamber in location communicates with section of thick bamboo portion inner chamber.
According to an embodiment of the invention, the positioning structure is a positioning tab extending from an inner edge of the second flange.
According to an embodiment of the invention, the positioning structure is a positioning tab extending from an outer edge of the first flange.
According to the utility model discloses an embodiment, a distributor for plate heat exchanger still include: a second flange formed at the second end of the barrel portion, the second flange extending from the second end of the barrel portion in a direction toward the axis of the barrel portion.
According to an embodiment of the invention, the first flange and the second flange are perpendicular to the axis of the barrel portion.
According to an embodiment of the invention, the dispenser is stamped and formed from a sheet of plate.
According to an embodiment of the invention, the barrel portion is a truncated cone shaped barrel portion, the diameter of the first end being larger than the diameter of the second end; the first flange extending outwardly in a radial direction from the first end; and the second flange extends inwardly in a radial direction from the second end.
According to the utility model discloses an embodiment provides a plate heat exchanger, include: a plurality of heat transfer plates; a heat exchange space formed between adjacent heat transfer plates of the plurality of heat transfer plates; a channel formed in the heat transfer plates, the channel being used for a heat exchange medium to flow into or out of the heat exchanger, the openings of the plurality of heat transfer plates constituting the channel; and the distributor is arranged in at least one channel.
According to an embodiment of the invention, the dispenser further comprises: positioning structure for positioning the distributor relative to a heat transfer plate of a plate heat exchanger.
According to an embodiment of the invention, the positioning structure is a positioning projection protruding from the first flange in a direction towards the second end of the drum part, inside the outer edge of the first flange, and the heat transfer plate comprises a positioning projection engaging into a positioning projection of the distributor.
According to an embodiment of the invention, the positioning structure is a positioning tab extending from the inner edge of the second flange, and the heat transfer plate comprises a positioning notch, the positioning notch of the heat transfer plate extends from the edge of the opening towards the direction away from the opening, the positioning tab of the dispenser being joined into the positioning notch of the heat transfer plate by bending.
According to an embodiment of the invention, the positioning structure is a positioning tab extending from an outer edge of the first flange, and the heat transfer plate comprises a positioning through hole, the positioning through hole of the heat transfer plate penetrates the heat transfer plate, the positioning tab of the distributor is joined into the positioning through hole of the heat transfer plate by bending.
According to an embodiment of the invention, the distributor is pre-fixed to the heat transfer plates by welding or gluing, positioning the distributor relative to the heat transfer plates.
According to the utility model discloses a distributor and plate heat exchanger can reduce the manufacturing degree of difficulty of distributor and plate heat exchanger.
Drawings
Fig. 1 is a schematic top view of a plate heat exchanger according to an embodiment of the present invention;
fig. 2 is a schematic view of the plate heat exchanger shown in fig. 1, looking diagonally upwards from the lower left corner, with the port in the lower left corner cut away;
fig. 3 is a schematic enlarged sectional view of part a of the plate heat exchanger shown in fig. 1;
fig. 4 is a schematic perspective view of a distributor for a plate heat exchanger according to an embodiment of the present invention;
fig. 5 is a schematic top view of a plate heat exchanger according to an embodiment of the present invention;
fig. 6 is a schematic partially enlarged cross-sectional view of a plate heat exchanger according to an embodiment of the present invention; and
fig. 7 is a schematic top view of a distributor for a plate heat exchanger according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 7, a plate heat exchanger 100 according to an embodiment of the present invention comprises a plurality of heat transfer plates 10; a heat exchanging space formed between adjacent heat transfer plates 10 of the plurality of heat transfer plates 10; a channel 11 formed in the heat transfer plate 10, the channel 11 being used for a heat exchange medium (e.g., refrigerant) to flow into or out of the heat exchanger 100, the openings 13 of the plurality of heat transfer plates 10 constituting the channel 11; and a distributor 30 disposed in at least one of said channels 11. The heat exchanger 100 may be a single circuit heat exchanger such as shown in fig. 1 or a dual circuit heat exchanger such as shown in fig. 5.
As shown in fig. 4 and 6, a distributor 30 for a plate heat exchanger according to an embodiment of the present invention includes: a barrel 31, the barrel 31 having a barrel wall 310 and having a first end 311 and a second end 312, a barrel cavity defined within the barrel 31; a first flange 321 formed at the first end 311, the first flange 321 extending from the first end 311 in a direction away from the axis of the barrel 31, the first flange 321 having an outer edge 3210 away from the barrel 31; and a communication projection 33 projecting from the cylinder wall 310 of the cylinder 31 in a direction away from the axis of the cylinder 31 and projecting from the first flange 321 inside the outer edge 3210 of the first flange 321 in a direction toward the second end 312 of the cylinder 31, the communication projection 33 having a communication projection wall 330 defining a communication projection cavity therein, the communication projection cavity communicating with the cylinder cavity, the communication projection wall 330 having an axial communication projection wall 3301 facing in the axial direction of the cylinder 31 away from the first flange 321, the axial communication projection wall 3301 being between the first end 311 and the second end 312 of the cylinder 31 and having at least one through hole 331. The number of the through holes 331 may be one, two or more, and the shape of the through holes 331 may be circular or any other suitable shape. The number of the communicating projections 33 may be one, two or more, and the communicating projections 33 may have any suitable shape, for example, substantially circular or rectangular.
As shown in fig. 4 and 6, in the embodiment of the present invention, the dispenser 30 further includes: a second flange 322 formed at the second end 312 of the barrel 31, the second flange 322 extending from the second end 312 of the barrel 31 in a direction toward the axis of the barrel 31. The first flange 321 and the second flange 322 may be perpendicular to the axis of the barrel 31. The dispenser 30 may be stamped and formed from a sheet of plate material. According to an example of the present invention, the cylindrical portion 31 may be a truncated cone-shaped cylindrical portion 31, the diameter of the first end 311 being larger than the diameter of the second end 312; the first flange 321 extends outwardly in a radial direction from the first end 311; and the second flange 322 extends inwardly in a radial direction from the second end 312. The first flange 321 and the second flange 322 have an annular shape, and have openings therein.
As shown in fig. 3, a distributor 30 is provided at the channel 11 between the adjacent heat transfer plates 10 for communicating the heat exchanging space between the channel 11 and the adjacent heat transfer plates 10. The first flange 321 is connected to one of said adjacent heat transfer plates 10 and the second flange 322 is connected to the other of said adjacent heat transfer plates 10. The distributor 30 is generally provided at a passage as a refrigerant inlet.
As shown in fig. 4, 6 and 7, in an embodiment of the present invention, the axial communication lobe wall 3301 may be between 1/3 and 2/3 of the distance between the first end 311 and the second end 312 of the barrel 31, e.g., may be approximately at a midpoint between the first end 311 and the second end 312. The distance between the outer edge of the axial communication convex wall 3301 and the edge of the through hole 331 may be between 1 and 10 mm. The width of the first flange 321 (i.e., the width in the radial direction) is between 1 and 10 mm.
Referring to fig. 5 to 7, in the embodiment of the present invention, the dispenser 30 further includes: positioning structure for positioning the distributor 30 in relation to the heat transfer plates 10 of the plate heat exchanger 100. The positioning structure may be a positioning projection 35 protruding from the first flange 321 in a direction toward the second end 312 of the barrel 31 inside the outer edge 3210 of the first flange 321. According to an example of the present invention, the positioning projection 35 protrudes from the cylinder wall 310 of the cylinder 31 in a direction away from the axis of the cylinder 31 and protrudes from the first flange 321 inside the outer edge 3210 of the first flange 321 in a direction towards the second end 312 of the cylinder 31, the positioning projection 35 having a positioning projection wall 350 defining a positioning projection cavity within the positioning projection wall 350, the positioning projection cavity communicating with the cylinder cavity. According to the present invention, the heat transfer plate 10 of the heat exchanger 100 has the positioning protrusion 15, and the positioning protrusion 15 of the heat transfer plate 10 may be a protrusion pressed out of the heat transfer plate 10, or may be a portion of the heat transfer plate 10 that is cut and turned up. Referring to fig. 6, the positioning projections 15 of the heat transfer plate 10 extend (e.g., radially extend) from the edge of the opening 13 toward a direction away from the opening and extend from the heat transfer plate 10 toward a side of the heat transfer plate 10 (a side in the stacking direction of the heat transfer plates 10). The positioning projections 15 of the heat transfer plate 10 engage into the positioning projections 35 of the distributor 30 in order to position the distributor 30 with respect to the heat transfer plate 10. The number of the positioning projections 35 may be one, two or more. Thereby, the angle α between the line connecting the through hole 331 and the center line of the distributor 30 and the horizontal plane passing through the center line of the distributor 30 is fixed. When the heat exchanger is placed according to the use requirement, the through hole 331 is below the horizontal plane. That is to say an angle α of between 0 ° and 180 °, preferably between 30 ° and 90 °. The specific form and number of the positioning structures are not limited, and the positioning structures can be in shape positioning or slot positioning. For example, two positioning projections may be formed on the bottom surface of the distributor, or two matching positioning projections may be formed on the same position on the plate below the distributor, with a portion of the heat transfer plate cut and turned up. According to an example of the present invention, the positioning structure is a positioning piece protruding from an inner edge of the second flange 322, the heat transfer plate 10 comprises a positioning notch, the positioning notch of the heat transfer plate 10 extends from the edge of the opening 13 towards a direction away from the opening 13, the positioning piece of the distributor 30 is engaged into the positioning notch of the heat transfer plate 10 by bending, thereby bending a portion of the positioning piece onto the surface of the heat transfer plate 10 to lock the distributor 30. According to another example of the present invention, the positioning structure is a positioning piece protruding from an outer edge 3210 of the first flange 321, the heat transfer plate 10 includes a positioning through hole, the positioning through hole of the heat transfer plate 10 penetrates the heat transfer plate 10, and the positioning piece of the distributor 30 is engaged into the positioning through hole of the heat transfer plate 10 by bending, thereby bending a portion of the positioning piece onto the surface of the heat transfer plate 10 to lock the distributor 30. According to yet another example of the present invention, the distributor 30 is pre-fixed to the heat transfer plate 10 by welding or gluing, such that the distributor 30 is positioned relative to the heat transfer plate 10.
Referring to fig. 5 and 7, in the embodiment of the present invention, the dispenser 30 further includes: a protruding piece 36 protruding from the outer edge 3210 of the first flange 321 in a direction away from the axis of the cylinder 31, or a recessed portion recessed from the outer edge 3210 of the first flange 321 in a direction toward the axis of the cylinder 31, for automatically identifying the front and back sides of the dispenser 30 on a line.
According to an embodiment of the invention, the height of the distributor 30 may be substantially equal to the spacing between the portions of the heat transfer plates 10 around the channels 11.
According to the utility model discloses an embodiment, the distributor utilizes the board only need the stamping forming and two course of processes that punch a hole, can reduce the manufacturing degree of difficulty. The design of the communicating protrusion 33 and the through hole 3301 can also avoid the risk of the through hole 3301 being blocked by solder, such as copper foil, at the time of soldering while ensuring excellent dispensing performance.
Claims (19)
1. Distributor for a plate heat exchanger, characterized in that it comprises:
a barrel having a barrel wall and having a first end and a second end, the barrel defining a barrel cavity therein;
a first flange formed at the first end, the first flange extending from the first end in a direction away from an axis of the barrel, the first flange having an outer edge away from the barrel; and
a communication projection projecting from a cylinder wall of the cylinder portion in a direction away from an axis of the cylinder portion and projecting from the first flange inside an outer edge of the first flange in a direction toward a second end of the cylinder portion, the communication projection having a communication projection wall defining a communication projection cavity therein, the communication projection cavity communicating with the cylinder portion cavity, the communication projection wall having an axial communication projection wall facing an axial direction of the cylinder portion away from the first flange, the axial communication projection wall being between the first end and the second end of the cylinder portion and having at least one through hole.
2. Distributor for a plate heat exchanger according to claim 1, characterized in that:
the axial communication projection wall is between 1/3 and 2/3 of the distance between the first end and the second end of the barrel portion.
3. Distributor for a plate heat exchanger according to claim 1, characterized in that:
the distance between the outer edge of the axially communicating convex wall and the edge of the through hole is between 1 and 10 mm.
4. Distributor for a plate heat exchanger according to claim 1, characterized in that:
the width of the first flange is between 1 and 10 millimeters.
5. The distributor for a plate heat exchanger according to claim 1, further comprising:
positioning structure for positioning the distributor relative to a heat transfer plate of a plate heat exchanger.
6. Distributor for a plate heat exchanger according to claim 5, characterized in that:
the positioning structure is a positioning projection projecting from the first flange in a direction toward the second end of the barrel portion inside the outer edge of the first flange.
7. Distributor for a plate heat exchanger according to claim 6, characterized in that:
the positioning projection extends from the barrel wall of the barrel portion in a direction away from the axis of the barrel portion and extends from the first flange inward of the outer edge of the first flange in a direction toward the second end of the barrel portion, the positioning projection having a positioning projection wall defining a positioning projection cavity therein, the positioning projection cavity communicating with the barrel portion cavity.
8. Distributor for a plate heat exchanger according to claim 5, characterized in that:
the dispenser further includes a second flange formed at the second end of the barrel portion, the second flange extending from the second end of the barrel portion in a direction toward the axis of the barrel portion, and
the locating feature is a locating tab extending from an inner edge of the second flange.
9. Distributor for a plate heat exchanger according to claim 5, characterized in that:
the locating structure is a locating tab extending from an outer edge of the first flange.
10. The distributor for a plate heat exchanger according to claim 1, further comprising:
a second flange formed at the second end of the barrel portion, the second flange extending from the second end of the barrel portion in a direction toward the axis of the barrel portion.
11. Distributor for a plate heat exchanger according to claim 10, characterized in that:
the first flange and the second flange are perpendicular to an axis of the barrel portion.
12. Distributor for a plate heat exchanger according to claim 1, characterized in that:
the dispenser is stamped and formed from a sheet of plate material.
13. Distributor for a plate heat exchanger according to claim 10, characterized in that:
the cylinder part is a cone frustum-shaped cylinder part, and the diameter of the first end is larger than that of the second end;
the first flange extending outwardly in a radial direction from the first end; and
the second flange extends inwardly in a radial direction from the second end.
14. A plate heat exchanger, characterized by comprising:
a plurality of heat transfer plates;
a heat exchange space formed between adjacent heat transfer plates of the plurality of heat transfer plates;
a channel formed in the heat transfer plates, the channel being used for a heat exchange medium to flow into or out of the heat exchanger, the openings of the plurality of heat transfer plates constituting the channel; and
the dispenser of claim 1 disposed in at least one of the channels.
15. A plate heat exchanger according to claim 14, wherein:
the dispenser further comprises: positioning structure for positioning the distributor relative to a heat transfer plate of a plate heat exchanger.
16. A plate heat exchanger according to claim 15, wherein:
the positioning structure is a positioning projection projecting from the first flange in a direction toward the second end of the cylindrical portion inside the outer edge of the first flange, and
the heat transfer plate includes positioning bosses, and the positioning bosses of the heat transfer plate are engaged into the positioning bosses of the distributor.
17. A plate heat exchanger according to claim 15, wherein:
the dispenser further includes a second flange formed at the second end of the barrel portion, the second flange extending from the second end of the barrel portion in a direction toward the axis of the barrel portion, and
the positioning structure is a positioning tab extending from an inner edge of the second flange, and
the heat transfer plate comprises a positioning notch, the positioning notch of the heat transfer plate extends from the edge of the opening to the direction far away from the opening, and the positioning sheet of the distributor is jointed into the positioning notch of the heat transfer plate through bending.
18. A plate heat exchanger according to claim 15, wherein:
the locating structure is a locating tab extending from an outer edge of the first flange, and
the heat transfer plate comprises a positioning through hole, the positioning through hole of the heat transfer plate penetrates through the heat transfer plate, and the positioning piece of the distributor is connected into the positioning through hole of the heat transfer plate through bending.
19. A plate heat exchanger according to claim 14, wherein:
the distributor is pre-fixed to the heat transfer plates by welding or gluing, positioning the distributor relative to the heat transfer plates.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022939568.3U CN215003144U (en) | 2020-12-10 | 2020-12-10 | Distributor for plate heat exchanger and plate heat exchanger |
| US17/542,598 US11920876B2 (en) | 2020-12-10 | 2021-12-06 | Distributor for plate heat exchanger and plate heat exchanger |
| EP21213035.5A EP4012323A1 (en) | 2020-12-10 | 2021-12-08 | Distributor for plate heat exchanger, and plate heat exchanger |
| MX2021015194A MX2021015194A (en) | 2020-12-10 | 2021-12-09 | Distributor for plate heat exchanger and plate heat exchanger. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022939568.3U CN215003144U (en) | 2020-12-10 | 2020-12-10 | Distributor for plate heat exchanger and plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215003144U true CN215003144U (en) | 2021-12-03 |
Family
ID=79083264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022939568.3U Active CN215003144U (en) | 2020-12-10 | 2020-12-10 | Distributor for plate heat exchanger and plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215003144U (en) |
-
2020
- 2020-12-10 CN CN202022939568.3U patent/CN215003144U/en active Active
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