CN213873107U

CN213873107U - Frame of total heat exchange core, total heat exchange core and new fan

Info

Publication number: CN213873107U
Application number: CN202023042607.6U
Authority: CN
Inventors: 张玉峰; 杨力
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-03
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a frame, total heat exchange core and new fan of total heat exchange core, include: be hexagonal cavity board, relative two sides link up in six sides of cavity board and form the wind channel, be equipped with many in the cavity board and separate into the separation muscle of a plurality of parallel passage with the wind channel, the surface that the cavity board pasted the exchange membrane is equipped with the through-hole that a plurality of passes the passageway perpendicularly. The utility model discloses a partition separation runner's project organization utilizes the separation muscle of cavity board to realize the sealed of layering runner in the frame in the same a slice frame, avoids the series flow to cause drag loss, and the flow of balanced core whole seal face right angle end and obtuse angle end makes the new, the flow basic balance that air exhaust corresponds the heat-transfer surface simultaneously, improves heat exchange efficiency. And meanwhile, a plurality of reinforcing rib lines which transversely penetrate through the channels are formed, so that the support in the vertical direction between the core films can be realized, and the resistance increase caused by the core body damp collapse is avoided.

Description

Frame of total heat exchange core, total heat exchange core and new fan

Technical Field

The utility model relates to a heat exchange field especially relates to a frame, total heat exchange core and new fan of total heat exchange core.

Background

The fresh air machine gradually gets into among people's the life, and in order to reduce the energy waste that the air replacement caused, the fresh air machine inside generally is provided with the total heat exchange core, comes back to retrieve the cold volume or the heat of indoor air.

In the prior art, a polygonal frame is used as a similar honeycomb structure formed by extending units in the core body, so that the disturbance of air flow in the core body is increased, and the heat exchange effect of the core body is enhanced; however, the channels are communicated with each other through the through holes, so that the wind speed at the hexagonal obtuse angle of the core body is far greater than that at the right angle, and the core body frames are alternately overlapped in a positive mode and a reverse mode, so that the flow speed of a region with high fresh air flow speed is low on the contrary at the corresponding air exhaust position, the air volume distribution is unbalanced, and the problems of high integral resistance of the core body and poor heat exchange effect are caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem of heat transfer flow imbalance among the above-mentioned prior art, provide a frame, total heat exchange core and new fan of total heat exchange core.

The utility model adopts the technical proposal that:

the utility model provides a frame of full heat exchange core, include: the air duct structure comprises a hexagonal hollow plate, wherein two opposite sides of six sides of the hollow plate are communicated to form an air duct, and the other four sides of the six sides of the hollow plate are sealed; the utility model discloses a membrane, including cavity board, air duct, air channel, hollow plate, air channel.

Furthermore, a plurality of the separating ribs are uniformly spaced and are parallel to each other.

Furthermore, two adjacent separating ribs enclose two opposite edges of the through hole.

Preferably, the connecting line of two opposite sides of the hollow plate forms a quadrangle, and the separating ribs are parallel to the other two sides of the quadrangle or form included angles within +/-5 degrees.

Furthermore, a gap between two adjacent through holes arranged along the same channel forms a reinforcing rib for supporting the exchange membrane. The reinforcing ribs are connected into a plurality of straight lines to form a plurality of reinforcing rib lines which cross the channels and are uniformly spaced.

Preferably, the included angle between the reinforcing rib and the channel ranges from 85 degrees to 95 degrees.

The utility model discloses still provide a total heat exchange core, including foretell frame and many exchange membranes, frame and exchange membrane cover in turn, and adjacent two the frame uses the exchange membrane as central mirror symmetry.

The utility model also provides a new fan, including foretell full heat exchange core.

Compared with the prior art, the utility model discloses a partition separation runner's project organization utilizes the partition muscle of cavity board to realize the sealed of layering runner in the frame in the same a slice frame, avoids series flow to cause resistance loss, and the flow of balanced core whole seal face right angle end and obtuse angle end makes the new, the flow basic balance that air exhaust corresponds the heat-transfer surface simultaneously, improves heat exchange efficiency. And meanwhile, a plurality of reinforcing rib lines which transversely penetrate through the channels are formed, so that the support in the vertical direction between the core films can be realized, and the resistance increase caused by the core body damp collapse is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram in an embodiment of the present invention;

FIG. 2 is a schematic structural view of an uncut hollow plate according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the core body in the embodiment of the present invention.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1, the utility model provides a frame of total heat exchange core, including being hexagonal well hollow plate 1, two relative sides in six sides of well hollow plate 1 link up and form the wind channel, link up between air inlet side 3 and the air-out side 5 promptly, and be equipped with many even intervals and parallel separation muscle 31 in well hollow plate 1 and separate into many parallel passageways 6 with the wind channel. And the surface that the well hollow plate pasted dress exchange membrane is equipped with a plurality of through-holes 8 (the square hole in the broken line frame is a form of through-hole, and the through-hole that is close to the side is not square), and through-hole 8 sets up along the extending direction interval of passageway, and it can carry out the heat transfer to get through to put through passageway 6 and the surface of pasting dress exchange membrane. Through the design structure of the partition separation flow channel, the same frame realizes the sealing of the layered flow channel in the frame by utilizing the partition ribs of the hollow plates, the resistance loss caused by series flow is avoided, and meanwhile, the flow of the right-angle end and the obtuse-angle end of the integral sealing surface of the core body is balanced, so that the flow of the new air exhaust corresponding heat exchange surface is basically balanced, and the heat exchange efficiency is improved.

As shown in fig. 2, the hollow plate is a square plate, the side of the hollow plate is provided with a middle through hole 32, and is provided with a plurality of separating ribs 31 which are uniformly spaced and parallel, the hollow plate is cut into a hexagon, other sides without the middle through hole 32 are sealed by sealant or other methods, and the surface of the hollow plate is punched to form the through hole to manufacture the frame.

Two adjacent separating ribs 31 enclose two opposite sides of the through hole, namely the width of the through hole is the width between the two adjacent separating ribs, a gap between the two adjacent through holes on the same channel forms a reinforcing rib for keeping the supporting strength of the exchange membrane, the direction of the reinforcing rib can be vertical to the direction of the channel or form a certain angle, and the included angle range of the reinforcing rib and the channel is 85-95 degrees. Many strengthening ribs are even into many straight lines, form many and cross a plurality of passageways and evenly spaced strengthening rib line 7, make the through-hole 8 in passageway middle part be the square hole, and the middle part on hollow plate surface is latticed. The side surface is communicated to form a channel, so that the gas flow is not hindered, the support in the vertical direction between the core films can be realized, and the resistance increase caused by the core body damp collapse is avoided.

The connecting line of two opposite sides AD and BC of hollow plate 1 constitutes quadrangle ABCD, wherein AD is the air inlet side, and BC is the air outlet side. The separating rib 31 is parallel to the other two sides AB and CD of the quadrilateral ABCD or forms an included angle within +/-5 degrees. By means of the fact that the direction of the channel is consistent with the direction of the separating ribs, no wind cross between the channels is guaranteed, and therefore the difference of wind speeds of the end D (B) and the end C (A) caused by different distances of the flow channels is avoided.

As shown in fig. 2, the utility model also provides a total heat exchange core, including above-mentioned frame and exchange membrane, total heat exchange core specifically overlaps by the frame mirror image upset of two the same hexagons and constitutes, and the exchange membrane is located between two frames. When assembling, the membrane is superposed together according to the regular hexagonal frame-exchange membrane-mirror hexagonal frame-exchange membrane. The exchange membrane is also hexagonal and has the same shape as the hexagonal frame. The assembly method is prior art and is not described in detail.

If the size of the core body needs to be changed, the mold opening and injection molding are not needed, the same flow channel form can be reproduced only by adjusting the density proportion size of the channels, and the novel air hexagonal frame is convenient to manufacture and low in cost.

The utility model also provides a new fan, including above-mentioned full heat exchange core.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A frame for a total heat exchange core, comprising: be hexagonal cavity board, relative two sides link up in six sides of cavity board and form the wind channel, be equipped with many in the cavity board and separate into the separation muscle of a plurality of parallel passage with the wind channel, the surface that the cavity board pasted the exchange membrane is equipped with the through-hole that a plurality of passageways passed perpendicularly.

2. The frame for a total heat exchange core according to claim 1, wherein a plurality of said dividing ribs are evenly spaced and parallel to each other.

3. The frame for a total heat exchange core according to claim 1, wherein two adjacent separating ribs enclose two opposite sides of the through hole.

4. The frame for a total heat exchange core according to claim 1, wherein the connecting line of two opposite sides of the hollow plate forms a quadrilateral, and the separating rib is parallel to or forms an included angle within ± 5 ° with the other two sides of the quadrilateral.

5. The frame for a total heat exchange core according to claim 1, wherein the gaps between two adjacent through holes along the same channel form reinforcing ribs for supporting the exchange membrane.

6. The frame for a total heat exchange core according to claim 5, wherein a plurality of said ribs are connected in a plurality of lines to form a plurality of evenly spaced reinforcing strands across a plurality of channels.

7. The frame for a total heat exchange core according to claim 5, wherein the ribs are angled with respect to the channels in the range of 85-95 °.

8. The frame for an all heat exchange core according to claim 1, wherein the other four sides of the six sides of the hollow plate are sealed.

9. A total heat exchange core body, comprising a plurality of frames as claimed in any one of claims 1 to 8 and a plurality of exchange membranes, wherein the frames and the exchange membranes are alternately covered, and two adjacent frames are mirror-symmetrical with the exchange membranes as centers.

10. A new fan comprising the total heat exchange core of claim 9.