CN114688913A - Heat exchanger and novel heat exchange plate sheet thereof - Google Patents
Heat exchanger and novel heat exchange plate sheet thereof Download PDFInfo
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- CN114688913A CN114688913A CN202210278030.3A CN202210278030A CN114688913A CN 114688913 A CN114688913 A CN 114688913A CN 202210278030 A CN202210278030 A CN 202210278030A CN 114688913 A CN114688913 A CN 114688913A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
- F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/02—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the heat-exchange media travelling at an angle to one another
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/048—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of ribs integral with the element or local variations in thickness of the element, e.g. grooves, microchannels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to the field of heat exchangers, in particular to a heat exchanger and a novel heat exchange plate sheet thereof. A novel heat exchange plate comprises a square plate body; longitudinal trailing edges bent towards the front direction of the sheet body are formed on the left edge and the right edge of the sheet body, and transverse trailing edges bent towards the back direction of the sheet body are formed on the upper edge and the lower edge; the sheet body is provided with a plurality of transverse main ribs and longitudinal main ribs which are arranged in a staggered matrix, the transverse main ribs are protruded towards the back of the sheet body, and a transverse air duct is formed between the transverse main ribs on two adjacent straight lines at the back of the sheet body; the longitudinal main ribs are protruded towards the front side of the plate body, and a longitudinal air duct is formed between the longitudinal main ribs on two adjacent straight lines on the front side of the plate body. According to the scheme, the transverse main ribs and the longitudinal main ribs are arranged on the plate body at intervals, and the air inlet end of the air flow channel is rectified through the first protrusions and the second protrusions, so that the air quantity of each air channel is uniform.
Description
Technical Field
The invention relates to the field of heat exchangers, in particular to a heat exchanger and a novel heat exchange plate sheet thereof.
Background
Plate heat exchanger plates are used for energy recovery in ventilation systems and for heat transfer between fluids in systems such as electronic cooling and preheating. The plate type heat exchange plate is used in an air heat exchanger, can be applied to a heat recovery type fresh air ventilator, can recover cold and heat energy while ventilating and ventilating places such as houses, markets, factories, data centers and the like, and reduces the energy consumption of an air conditioner; the air heat exchanger can also be applied to heat recovery and natural cooling of industrial equipment, such as drying heat pumps, coating printers and other places which need heat sources and exhaust gas, and can recover heat from the exhaust gas to reduce the energy input of the equipment.
The present air heat exchanger generally includes a frame body and a heat exchange assembly (i.e. heat exchange fins stacked in the frame body) disposed in the frame body, and specifically refers to an air heat exchanger described in the chinese utility model patent document with the publication number "CN 210570136U", which includes a frame body and a plurality of heat exchange fins vertically stacked in the frame body and having a polygonal shape, and a plurality of heat exchange fins form a cold air flow channel and a hot air flow channel alternately disposed. The convex hulls and the grooves are arranged on the heat exchange plates in a staggered and spaced mode and arranged on the heat exchange plates side by side, the convex hulls and the grooves between two adjacent layers of heat exchange plates are distributed in an up-and-down symmetrical mode or in a staggered mode so as to support and separate the two adjacent layers of heat exchange plates, a cold air flow channel or a hot air flow channel is formed between the two layers of heat exchange plates, the arrangement of the convex hulls and the grooves can increase the air contact area, and the heat exchange efficiency is improved.
Further, a heat exchanger plate exchanger is described in chinese patent publication No. CN107289798A, which relates to the field of heat exchangers, and comprises a plate exchanger including a first set of opposing peripheries, a second set of opposing peripheries, a first side, a second side, and a plurality of convex hulls including criss-cross convex hulls 6a, 6b, wherein the plurality of convex hulls 6a are arranged on the plate exchanger in a row, the direction of the row being parallel to the direction of the peripheries; a plurality of convex hulls 6b are arranged on the board in a row, the direction of the row being parallel to the peripheral direction, said convex hulls 6a being formed as convex hulls on a first side and concave hulls on a second side; the convex hulls 6b are formed as convex hulls on the second side, as concave depressions on the first side, any two adjacent rows of convex hulls 6a form channels in the same direction as the perimeter, which channels pass through the entire first side, and any two adjacent columns of convex hulls 6b form channels in the same direction as the perimeter, which channels pass through the entire second side.
Above-mentioned prior art provides the heat exchanger fin of multiple not isostructure, and different heat exchanger fins arrange the difference and produce different heat transfer effects based on unsmooth texture on its slab, and from the prior art that above-mentioned led up, current heat exchanger fin heat transfer effect is not good (including heat transfer effect inhomogeneous) to the windage is on the large side, awaits improving.
Disclosure of Invention
In order to solve the above problems, a first object of the present invention is to provide a novel heat exchange plate, in which a transverse main rib and a longitudinal main rib are arranged on a plate body at an interval, and an air inlet end of an air flow channel is rectified by a first protrusion and a second protrusion, so that air volume of each air channel is uniform.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel heat exchange plate comprises a square plate body; longitudinal trailing edges bent towards the front direction of the sheet body are formed on the left edge and the right edge of the sheet body, and transverse trailing edges bent towards the back direction of the sheet body are formed on the upper edge and the lower edge; the sheet body is provided with a plurality of transverse main ribs and longitudinal main ribs which are arranged in a staggered matrix, the transverse main ribs protrude towards the back of the sheet body, and a transverse air duct is formed between the transverse main ribs on two adjacent straight lines at the back of the sheet body; the longitudinal main ribs are protruded towards the front side of the plate body, and a longitudinal air duct is formed between the longitudinal main ribs on two adjacent straight lines on the front side of the plate body.
The invention adopts the technical scheme, and relates to a novel heat exchange plate, which comprises a square plate body, wherein the plate body is provided with a plurality of transverse main ribs and longitudinal main ribs in staggered matrix arrangement, the transverse main ribs protrude towards the back side of the plate body, and the longitudinal main ribs protrude towards the front side of the plate body. When the heat exchange assembly is constructed by the novel heat exchange plate, a plurality of novel heat exchange plates are stacked in a 90-degree staggered mode, and the vertical dragging edge and the horizontal dragging edge at the edge of the plate body are used for bearing two adjacent plate bodies for use in the process of stacking the novel heat exchange plates. Specifically, the transverse trailing edges of the upper and lower edges of the plate body abut against the longitudinal trailing edges of the plate body (below), so that the two plate bodies are stacked together, and an air flow channel penetrating in the left-right direction is formed between the two plate bodies. In the air flow channel, the transverse main rib of the plate body protrudes downwards, and the longitudinal main rib of the plate body protrudes upwards (overturned for 90 degrees) so as to partition the transverse air channel in the air flow channel and guide the air flow channel. Similarly, an air flow channel running through the up-down direction is constructed between the sheet body and the sheet body, and a longitudinal air channel is separated from the air flow channel, so that the air flow channel is guided. The two adjacent air channels are respectively a cold air channel and a hot air channel as indicated in the background technology, so that a plurality of novel heat exchange plates are staggered and stacked at 90 degrees to form the cold air channel and the hot air channel which are alternately arranged, and air heat exchange is carried out.
In a further technical scheme, the transverse main ribs and/or the longitudinal main ribs on the same straight line are arranged at intervals so as to enable two adjacent transverse air ducts and/or longitudinal air ducts to communicate with each other. According to the scheme, the transverse main ribs and the longitudinal main ribs can separate the transverse air channels and the longitudinal air channels, and the transverse main ribs and/or the longitudinal main ribs arranged at intervals can enable the two adjacent transverse air channels and/or the longitudinal air channels to mutually circulate, so that the flow of each air channel is uniform.
Preferably, each side edge of the plate body is further provided with a plurality of first bulges and second bulges at intervals, and the first bulges and the second bulges are alternately arranged at intervals; the first bulges and the second bulges are respectively bulged towards the front side direction and the back side direction of the plate body. In the technical scheme, a first bulge and a second bulge are uniformly distributed on each side edge of a plate body, and when two novel heat exchange plates are staggered and stacked at 90 degrees, the first bulge and the second bulge on the two novel heat exchange plates are abutted; the joint strength at two novel heat exchanger plate edges has been strengthened on the one hand, and on the other hand can have first arch and second arch and carry out the rectification to the air inlet end of air runner to make each wind channel amount of wind even.
Preferably, a plurality of groups of transverse reinforcing ribs and longitudinal reinforcing ribs are arranged on the plate body; the transverse reinforcing ribs and the longitudinal reinforcing ribs are respectively arranged on oblique diagonal corners at the intersection of the transverse main ribs and the longitudinal main ribs, and the transverse reinforcing ribs are arranged in the longitudinal air duct in a protruding manner towards the front direction of the plate body; the longitudinal reinforcing ribs are arranged in the transverse air duct in a protruding manner towards the back of the plate body; the protruding heights of the transverse reinforcing ribs and the longitudinal reinforcing ribs are smaller than the protruding heights of the transverse main ribs and the longitudinal main ribs; when two novel heat transfer plate pieces are 90 degrees crisscross stacks, horizontal strengthening rib and vertical strengthening rib looks butt on two novel heat transfer plate pieces.
On the basis of the scheme, the scheme is characterized in that a plurality of groups of transverse reinforcing ribs and longitudinal reinforcing ribs are further arranged on the plate body, and the transverse reinforcing ribs and the longitudinal reinforcing ribs are respectively arranged on oblique opposite angles at the intersection of the transverse main ribs and the longitudinal main ribs. When two adjacent sheet bodies 90 degrees crisscross stacks, the vertical strengthening rib of (basis) sheet body and the horizontal strengthening rib of (below) sheet body [ 90 upset ] to it to arrange in horizontal wind channel, when cold air/hot-air process horizontal wind channel, through the vortex of above-mentioned vertical strengthening rib and horizontal strengthening rib, and set up based on above-mentioned vertical strengthening rib and horizontal strengthening rib and increased heat transfer area, thereby promoted heat transfer effect.
In a further scheme, first convex ribs protruding towards the back side of the plate body are arranged between two adjacent transverse main ribs on the same straight line, and the two adjacent first convex ribs or the first convex ribs and the adjacent transverse main ribs are arranged at intervals; on same straight line, be provided with the bellied second protruding muscle of positive direction of slab body between two adjacent vertical main muscle, two adjacent second protruding muscle or the second protruding muscle sets up rather than the interval between the vertical main muscle that closes on. When two novel heat transfer slab are 90 degrees crisscross stacks, first protruding muscle and the protruding muscle looks butt of second on two novel heat transfer slab, first protruding muscle and the protruding muscle of second are circular arch or oval arch.
In this scheme, arrange the first protruding muscle and the second protruding muscle that length is shorter between two adjacent horizontal main muscle and the vertical main muscle to joint strength when guaranteeing that two novel heat transfer board pieces in this region connect, and make between two adjacent horizontal wind channels and/or the vertical wind channel the circulation bigger, even effect is better.
Preferably, the upper edge and the lower edge of the plate body are provided with transverse edge ribs protruding towards the front direction of the plate body, and the left edge and the right edge of the plate body are provided with longitudinal edge ribs protruding towards the back direction of the plate body. The protruding heights of the transverse edge ribs and the longitudinal edge ribs are smaller than the protruding heights of the transverse main ribs and the longitudinal main ribs. In this scheme, the intensity of slab body can be strengthened on the one hand in setting up of horizontal edge muscle and vertical edge muscle, and on the other hand can carry out the vortex to the air that the air inlet end of air runner flowed in, avoids concentrating the air inlet, is favorable to the air inlet even.
In a further scheme, the cross sections of the transverse main ribs and the longitudinal main ribs are both in a wave crest shape, the peak of the wave crest shape is in a circular arc shape with an opening facing the plate body, and the root of the wave crest shape is in a circular arc shape with an opening facing away from the plate body. According to the scheme, the transverse main ribs and the longitudinal main ribs are recorded to construct the transverse air duct and the longitudinal air duct, and air is guided during heat exchange. The transverse main ribs and the longitudinal main ribs of the wave crest body are adopted, so that on the basis of the functions of connecting adjacent heat exchange plates, constructing an air channel and guiding air, the curved surface length of the main ribs can be increased, meanwhile, the occupied space is reduced, and further, the air contact area and the cross-sectional area of the air channel are increased, so that the heat exchange effect is enhanced and the wind resistance is reduced.
Preferably, the outer edge of the longitudinal trailing edge or the transverse trailing edge is provided with a wrapping edge extending along the bending direction; in this scheme, when two novel heat transfer slab are 90 degrees crisscross stacks, two novel heat transfer slab vertically drag the limit and transversely drag the limit and stack together, then link together two novel heat transfer slab through bending borduring.
A heat exchanger comprises a frame and a heat exchange assembly arranged in the frame; the method is characterized in that: the heat exchange component is formed by stacking a plurality of novel heat exchange plates in a 90-degree staggered manner, and the novel heat exchange plates are the novel heat exchange plates.
To sum up, the advantage of above-mentioned novel heat exchanger plate:
(1) the structure realizes central symmetry, and the combination of a plurality of plates can be realized by rotating the plates by 90 degrees;
(2) the main rib curve line enhances the wind side heat exchange and reduces the wind resistance;
(3) the reinforcing ribs further improve heat exchange, and the innovative layout in two directions is beneficial to improving the heat exchange of the air ducts at two sides;
(4) horizontal edge muscle, vertical edge muscle, first protruding and the protruding structure of second are favorable to the air inlet even, increase slab intensity.
Drawings
Fig. 1 is a schematic front view of a novel heat exchange plate according to the invention. (to facilitate understanding of the technical solution in the figures, the figures show
And
the representative part protrudes towards the visual angle direction, namely protrudes towards the front direction of the sheet body in the corresponding text;
and
representing a protrusion in a direction away from the viewing angle, i.e., in a direction corresponding to the back of the plate body in the text).
Fig. 2 is a schematic cross-sectional view of a transverse main rib or a longitudinal main rib.
Fig. 3 is a perspective schematic view of the novel heat exchange plate according to the invention.
Fig. 4 is an enlarged view of a portion a of fig. 3.
Fig. 5 is a structural diagram of a heat exchange assembly formed by overlapping a plurality of novel heat exchange plates in a 90-degree staggered manner. (the arrows shown in the figure are the air inlet direction of the air flow channel).
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "upper and lower edges", "left and right edges", "lateral main rib 11", "longitudinal main rib 12", "lateral reinforcing rib 15", "longitudinal reinforcing rib 16", "lateral side rib 191" and "longitudinal side rib 192" are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1:
as shown in fig. 1 to 5, the present embodiment relates to a novel heat exchange plate, which includes a plate body 1 in a square shape. Longitudinal trailing edges 2 bent towards the front direction of the plate body 1 are formed on the left edge and the right edge of the plate body 1, and transverse trailing edges 3 bent towards the back direction of the plate body 1 are formed on the upper edge and the lower edge. And the outer edge of the longitudinal trailing edge 2 or the transverse trailing edge 3 is provided with a wrapping edge 21 extending along the bending direction. When two novel heat exchanger plate pieces are 90 degrees crisscross stacks, two novel heat exchanger plate pieces vertically drag limit 2 and transversely drag limit 3 and stack together, then link together two novel heat exchanger plate pieces through bending bordure 21.
The plate body 1 is provided with a plurality of transverse main ribs 11 and longitudinal main ribs 12 which are arranged in a staggered matrix, the transverse main ribs 11 are protruded towards the back of the plate body 1, and a transverse air duct 111 is formed between the transverse main ribs 11 on two adjacent straight lines at the back of the plate body 1. The longitudinal main ribs 12 protrude towards the front of the plate body 1, and a longitudinal air duct 121 is formed between the longitudinal main ribs 12 on two adjacent straight lines on the front of the plate body 1. Above-mentioned technical scheme relates to a novel heat transfer slab, including the slab body 1 of square shape, many horizontal main muscle 11 and vertical main muscle 12 of the crisscross matrix arrangement of above-mentioned slab body 1, wherein horizontal main muscle 11 is protruding to 1 back direction of slab body, and vertical main muscle 12 is protruding to 1 front direction of slab body. When the heat exchange assembly is constructed by the novel heat exchange plate, a plurality of novel heat exchange plates are stacked in a 90-degree staggered mode, and the vertical trailing edge 2 and the horizontal trailing edge 3 at the edge of the plate body 1 are used for bearing the adjacent two plate bodies 1 in the stacking process of the novel heat exchange plates. Specifically, referring to fig. 5, [ foundation ] the transverse trailing edge 3 of the upper and lower edges of the plate body 1 abuts against the longitudinal trailing edge 2 of the plate body 1 [ turned over by 90 ° ], so that the two plate bodies 1 are stacked together, and an air flow channel running through the left and right directions is formed between the two plate bodies. In the air flow channel, a transverse main rib 11 of the plate body 1 protrudes downwards, a longitudinal main rib 12 of the plate body 1 protrudes upwards (overturned by 90 degrees) and the two are abutted; thereby isolating the transverse air duct 111 in the air flow passage and guiding the air flow passage. Similarly, an air flow passage running through the up-down direction is formed between the plate body 1 and the plate body 1, and a longitudinal air duct 121 is partitioned in the air flow passage to guide the air flow passage. The two adjacent air channels are respectively a cold air channel and a hot air channel as indicated by the background technology, so that a plurality of novel heat exchange plates are staggered and stacked at 90 degrees to form the cold air channel and the hot air channel which are alternately arranged, and air heat exchange is carried out.
Further, as shown in fig. 2, the cross sections of the transverse main ribs 11 and the longitudinal main ribs 12 are both peak-shaped bodies 10, the peak portions 101 of the peak-shaped bodies 10 are configured into circular arc shapes with openings facing the plate body 1, and the root portions 102 of the peak-shaped bodies 10 are configured into circular arc shapes with openings facing away from the plate body 1. In the scheme, the transverse main ribs 11 and the longitudinal main ribs 12 form the transverse air duct 111 and the longitudinal air duct 121, and air is guided during heat exchange. The transverse main ribs 11 and the longitudinal main ribs 12 of the wave crest-shaped bodies 10 are adopted to play a role in connecting adjacent heat exchange plates, constructing an air duct and guiding air, so that the occupied space can be reduced, the air contact area and the cross-sectional area of the air duct are increased, the heat exchange effect is enhanced, and the wind resistance is reduced.
In a further preferred technical scheme, the transverse main ribs 11 and/or the longitudinal main ribs 12 on the same straight line are arranged at intervals, so that two adjacent transverse air ducts 111 and/or longitudinal air ducts 121 are communicated with each other. In the above scheme, the transverse main ribs 11 and the longitudinal main ribs 12 can separate the transverse air ducts 111 and the longitudinal air ducts 121, and the transverse main ribs 11 and/or the longitudinal main ribs 12 arranged at intervals can enable the two adjacent transverse air ducts 111 and/or the longitudinal air ducts 121 to mutually circulate, so as to ensure that the flow of each air duct is uniform. Specifically, as shown in the figure, on the same straight line, a first convex rib 13 protruding towards the back direction of the plate body 1 is arranged between two adjacent transverse main ribs 11, and two adjacent first convex ribs 13 or the first convex rib 13 and the transverse main rib 11 adjacent thereto are arranged at intervals. On same straight line, be provided with between two adjacent vertical main muscle 12 to the protruding second protruding muscle 14 of the positive direction of slab body 1, two adjacent second protruding muscle 14 or second protruding muscle 14 and its vertical main muscle 12 that closes on between the interval setting. When two novel heat transfer slab are 90 degrees crisscross stacks, first protruding muscle 13 and the 14 looks butt of second protruding muscle on two novel heat transfer slab, first protruding muscle 13 and second protruding muscle 14 are circular arch or oval arch. In this scheme, arrange the first protruding muscle 13 and the second protruding muscle 14 that length is short between two adjacent horizontal main muscle 11 and vertical main muscle 12 to joint strength when guaranteeing that two novel heat transfer board pieces in this region are connected, and make between two adjacent horizontal wind channel 111 and/or the vertical wind channel 121 the circulation bigger, even effect is better.
On the basis of the scheme, a plurality of groups of transverse reinforcing ribs 15 and longitudinal reinforcing ribs 16 are arranged on the plate body 1. Every group of horizontal strengthening rib 15 all includes many parallel arrangement's horizontal strengthening rib 15, and every group of vertical strengthening rib 16 all includes many parallel arrangement's vertical strengthening rib 16. The transverse reinforcing ribs 15 and the longitudinal reinforcing ribs 16 are respectively arranged on the oblique opposite angles at the intersection of the transverse main ribs 11 and the longitudinal main ribs 12, and the transverse reinforcing ribs 15 are arranged in the longitudinal air duct 121 in a protruding manner towards the front direction of the plate body 1. The longitudinal reinforcing ribs 16 are arranged in the transverse air duct 111 in a protruding manner towards the back of the plate body 1. And the protruding heights of the transverse reinforcing ribs 15 and the longitudinal reinforcing ribs 16 are smaller than the protruding heights of the transverse main ribs 11 and the longitudinal main ribs 12. When two adjacent slab bodies 1 are 90 degrees crisscross stacks, the vertical strengthening rib 16 of [ basis ] slab body 1 and the horizontal strengthening rib 15 of [ below ] slab body 1 [ overturn 90 to it to arrange in horizontal wind channel 111, when cold air/hot-air process horizontal wind channel 111, through the vortex of above-mentioned vertical strengthening rib 16 and horizontal strengthening rib 15, and set up based on above-mentioned vertical strengthening rib 16 and horizontal strengthening rib 15 and increased heat transfer area, thereby promoted the heat transfer effect.
Further, a plurality of first protrusions 17 and second protrusions 18 are arranged on each side edge of the plate body 1 at intervals, and the first protrusions 17 and the second protrusions 18 are alternately arranged at intervals. The first projection 17 and the second projection 18 project in the front direction and the back direction of the panel body 1, respectively. Among this technical scheme, first arch 17 and the protruding 18 of second are put to each side reason of slab body 1, and when two novel heat transfer slab were 90 degrees crisscross stacks, the protruding 18 looks butt of first arch 17 and second on the two novel heat transfer slab. The connection strength of the edges of the two novel heat exchange plates is enhanced on one hand, and the air inlet end of the air flow channel can be rectified by the first bulge 17 and the second bulge 18 on the other hand, so that the air volume of each air channel is uniform.
As shown in fig. 1 and 4, the sheet body 1 is further provided, on the upper and lower edges thereof, with a lateral bead 191 projecting in the front direction of the sheet body 1, and on the left and right edges thereof, with a longitudinal bead 192 projecting in the back direction of the sheet body 1. The projecting heights of the transverse bead 191 and the longitudinal bead 192 are smaller than the projecting heights of the transverse main bead 11 and the longitudinal main bead 12. In this scheme, horizontal edge rib 191 and vertical edge rib 192 set up the intensity that can strengthen slab body 1 on the one hand, and on the other hand can carry out the vortex to the air that the air inlet end of air runner flowed in, avoids concentrating the air inlet, is favorable to the air inlet even.
Example 2:
the embodiment relates to a heat exchanger, which comprises a frame and a heat exchange assembly arranged in the frame. As shown in fig. 5, the heat exchange assembly is formed by stacking a plurality of novel heat exchange plates in a 90-degree staggered manner, and the novel heat exchange plates are the novel heat exchange plates as described in embodiment 1.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (8)
1. A novel heat exchange plate comprises a plate body (1) in a square shape; longitudinal trailing edges (2) bent towards the front direction of the plate body (1) are formed on the left edge and the right edge of the plate body (1), and transverse trailing edges (3) bent towards the back direction of the plate body (1) are formed on the upper edge and the lower edge; the sheet body (1) is provided with a plurality of transverse main ribs (11) and longitudinal main ribs (12) which are arranged in a staggered matrix manner, the transverse main ribs (11) protrude towards the back side of the sheet body (1), and a transverse air duct (111) is formed between the transverse main ribs (11) on two adjacent straight lines on the back side of the sheet body (1); the longitudinal main ribs (12) protrude towards the front side of the plate body (1), a longitudinal air duct (121) is formed between the longitudinal main ribs (12) on two adjacent straight lines on the front side of the plate body (1), and when two novel heat exchange plates are stacked in a 90-degree staggered mode, the transverse reinforcing ribs (15) and the longitudinal reinforcing ribs (16) on the two novel heat exchange plates are abutted; the method is characterized in that: the transverse main ribs (11) and/or the longitudinal main ribs (12) on the same straight line are arranged at intervals so as to enable the two adjacent transverse air ducts (111) and/or the longitudinal air ducts (121) to communicate with each other; each side edge of the plate body (1) is also provided with a plurality of first bulges (17) and second bulges (18) at intervals, and the first bulges (17) and the second bulges (18) are alternately arranged at intervals; the first bulge (17) and the second bulge (18) are respectively bulged towards the front side direction and the back side direction of the plate body (1); when the two novel heat exchange plate sheets are stacked in a 90-degree staggered manner, the first bulges (17) and the second bulges (18) on the two novel heat exchange plate sheets are abutted.
2. The novel heat exchange plate sheet of claim 1, wherein: a plurality of groups of transverse reinforcing ribs (15) and longitudinal reinforcing ribs (16) are arranged on the plate body (1); the transverse reinforcing ribs (15) and the longitudinal reinforcing ribs (16) are respectively arranged on oblique diagonal corners at the intersection of the transverse main ribs (11) and the longitudinal main ribs (12), the transverse reinforcing ribs (15) are arranged in the longitudinal air channel (121) in a protruding mode towards the front side direction of the plate body (1), and the longitudinal reinforcing ribs (16) are arranged in the transverse air channel (111) in a protruding mode towards the back side direction of the plate body (1); the protruding heights of the transverse reinforcing ribs (15) and the longitudinal reinforcing ribs (16) are smaller than the protruding heights of the transverse main ribs (11) and the longitudinal main ribs (12).
3. The novel heat exchange plate sheet of claim 1, wherein: on the same straight line, first convex ribs (13) protruding towards the back direction of the plate body (1) are arranged between two adjacent transverse main ribs (11), and the two adjacent first convex ribs (13) or the first convex ribs (13) and the adjacent transverse main ribs (11) are arranged at intervals; on the same straight line, a second convex rib (14) protruding towards the front direction of the plate body (1) is arranged between two adjacent longitudinal main ribs (12), and the two adjacent second convex ribs (14) or the second convex ribs (14) and the adjacent longitudinal main ribs (12) are arranged at intervals; when the two novel heat exchange plate sheets are stacked in a 90-degree staggered manner, the first convex ribs (13) and the second convex ribs (14) on the two novel heat exchange plate sheets are abutted.
4. A novel heat exchange plate according to claim 3, characterized in that: the first convex rib (13) and the second convex rib (14) are circular bulges or oval bulges.
5. The novel heat exchange plate sheet of claim 1, wherein: the upper edge and the lower edge of the plate body (1) are also provided with transverse edge ribs (191) protruding towards the front direction of the plate body (1), and the left edge and the right edge are also provided with longitudinal edge ribs (192) protruding towards the back direction of the plate body (1); the protruding heights of the transverse edge bead (191) and the longitudinal edge bead (192) are smaller than the protruding heights of the transverse main bead (11) and the longitudinal main bead (12).
6. The novel heat exchange plate sheet of claim 1, wherein: the cross sections of the transverse main ribs (11) and the longitudinal main ribs (12) are both wave crest-shaped bodies (10), the peak parts (101) of the wave crest-shaped bodies (10) are constructed into arc shapes with openings facing towards the plate body (1), and the root parts (102) of the wave crest-shaped bodies (10) are arc shapes with openings facing away from the plate body (1).
7. The novel heat exchange plate sheet of claim 1, wherein: and the outer edge of the longitudinal trailing edge (2) or the transverse trailing edge (3) is provided with a wrapping edge (21) in an extending way along the bending direction.
8. A heat exchanger comprises a frame and a heat exchange assembly arranged in the frame; the method is characterized in that: the heat exchange assembly is formed by stacking a plurality of novel heat exchange plates in a 90-degree staggered manner, and the novel heat exchange plates are the novel heat exchange plates as claimed in any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210278030.3A CN114688913A (en) | 2022-03-21 | 2022-03-21 | Heat exchanger and novel heat exchange plate sheet thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210278030.3A CN114688913A (en) | 2022-03-21 | 2022-03-21 | Heat exchanger and novel heat exchange plate sheet thereof |
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| CN202210278030.3A Pending CN114688913A (en) | 2022-03-21 | 2022-03-21 | Heat exchanger and novel heat exchange plate sheet thereof |
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| CN106440915A (en) * | 2016-08-31 | 2017-02-22 | 赵弘毅 | Heat exchange plate piece |
| CN107289798A (en) * | 2017-08-08 | 2017-10-24 | 毅科热交换器（上海）有限公司 | A kind of heat exchanger plate is changed |
| CN209840760U (en) * | 2017-05-19 | 2019-12-24 | 深圳市英维克科技股份有限公司 | Plate heat exchanger |
| CN215491258U (en) * | 2021-07-26 | 2022-01-11 | 福建省江南冷却科技有限公司 | Heat exchange plate with high structural strength |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6155595A (en) * | 1984-08-27 | 1986-03-20 | Matsushita Electric Ind Co Ltd | Heat exchanger with fin |
| CN201293592Y (en) * | 2008-09-05 | 2009-08-19 | 山东北辰集团华润换热设备有限公司 | Round dot type wide flow passage whole welding type heat exchange board and heat exchanger using the same |
| CN102095328A (en) * | 2011-03-02 | 2011-06-15 | 常州大学 | M-type corrugated-plate heat exchanger plate bundle with positioning control point |
| CN202432896U (en) * | 2011-12-09 | 2012-09-12 | 沈阳汇博热能设备有限公司 | Self-supporting all-welded plate-type heat exchanger |
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| CN107289798A (en) * | 2017-08-08 | 2017-10-24 | 毅科热交换器（上海）有限公司 | A kind of heat exchanger plate is changed |
| CN215491258U (en) * | 2021-07-26 | 2022-01-11 | 福建省江南冷却科技有限公司 | Heat exchange plate with high structural strength |
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