WO2019054052A1 - Plaque de canal d'écoulement, élément d'échange de chaleur, et procédé de fabrication de plaque de canal d'écoulement - Google Patents

Plaque de canal d'écoulement, élément d'échange de chaleur, et procédé de fabrication de plaque de canal d'écoulement Download PDF

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Publication number
WO2019054052A1
WO2019054052A1 PCT/JP2018/027312 JP2018027312W WO2019054052A1 WO 2019054052 A1 WO2019054052 A1 WO 2019054052A1 JP 2018027312 W JP2018027312 W JP 2018027312W WO 2019054052 A1 WO2019054052 A1 WO 2019054052A1
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WO
WIPO (PCT)
Prior art keywords
flow path
plate
substrate
flow
peak
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Application number
PCT/JP2018/027312
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English (en)
Japanese (ja)
Inventor
義浩 細川
晋介 中畑
慎也 守川
彰則 清水
一 外川
隆裕 川崎
Original Assignee
三菱電機株式会社
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2019541936A priority Critical patent/JP6785979B2/ja
Publication of WO2019054052A1 publication Critical patent/WO2019054052A1/fr

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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
    • 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
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning

Definitions

  • the present invention relates to a flow passage plate, a heat exchange element, and a method of manufacturing the flow passage plate.
  • a counterflow heat exchange element as a heat exchange element that exchanges heat by flowing an air supply flow and an exhaust flow with a substrate interposed therebetween.
  • the counterflow heat exchange element is manufactured in the same manner as an opposing flow path portion formed by alternately laminating two or more flow path plates cut from a corrugated sheet, A first separation channel joined to the opposite flow channel, and a second separation flow channel similarly manufactured and joined to the other end of the opposite flow channel.
  • the heat exchange element is desired to reduce the pressure loss in the flow path.
  • produces with a heat exchange element small, as shown to patent document 2, there exists a heat exchange element which formed the dot-like rise part in the sheet-like base material.
  • the present invention has been made to solve the above-described problems, and provides a flow path plate, a heat exchange element, and a flow path plate manufacturing method that can reduce pressure loss in the flow path and is easy to manufacture.
  • the purpose is to
  • the flow passage plate of the heat exchange element comprises a first substrate, and two or more peaks and valleys in which the respective tops extend in parallel. And a first flow path forming plate in which the top of the valley portion is bonded to the first substrate to form a first flow path, and among two or more peak portions of the first flow path forming plate,
  • the at least one peak portion comprises a cutting portion provided with at least a top cut shape.
  • the pressure loss of a flow path can be made small, and the manufacturing method of the flow-path plate which is easy to manufacture, a heat exchange element, and a flow-path plate can be provided.
  • FIG. 1 An exploded perspective view in which a portion of the heat exchange element according to the first embodiment of the present invention is disassembled in the vertical direction
  • FIG. 1 An exploded perspective view in which a conventional heat exchange element is disassembled in a first intersecting flow passage, an opposing flow passage, and a second intersecting flow passage.
  • FIG. 5A is a cross-sectional view of a first flow path plate after cutting a peak portion with a dashed line shown in FIG. 5A
  • the figure which shows the modification of the 1st flow path plate The figure which shows the state which cut out the flow-path board from the corrugated roll used in order to manufacture the flow-path board which concerns on Embodiment 1, and a corrugated roll.
  • Front view and side view of a cutter blade used to manufacture a flow channel plate according to Embodiment 1 A diagram showing an example of use of the cutter blade of FIG.
  • FIG. 8A Diagram showing the appearance of other cutter blades An exploded view of the other cutter blade The figure which shows the change of the length of the blade part of other cutter blade Figure showing an example of using another cutter blade
  • FIG. 18 is a perspective view showing a seventh flow path plate according to Embodiment 1; A cutaway view of the heat exchange element of FIG. 1 taken along line A-A '
  • Sectional drawing before cutting off the peak part of the flow-path plate which concerns on Embodiment 2 of this invention Cross-sectional view after cutting out the peak portion of the flow path plate according to the second embodiment
  • the perspective view which shows the heat exchange element which concerns on Embodiment 3 of this invention The perspective view showing the heat exchange element concerning the modification
  • Top view of the heat exchange element according to the fifth embodiment of the present invention Top view of heat exchange element according to the sixth embodiment of the present invention
  • Top view of the heat exchange element according to the seventh embodiment of the present invention The figure which shows the heat exchange ventilator containing the heat exchange element which concerns on Embodiment 1-7.
  • XYZ coordinates are set such that the width direction of the heat exchange element is the X axis, the depth direction is the Y axis, and the height direction is the Z axis, and this coordinate is appropriately referred to.
  • the heat exchange element according to the present embodiment is a member in which flow path plates in which a plurality of flow paths are formed are alternately stacked, and heat exchange is performed between the charge air flow and the exhaust flow through the flow path plates. .
  • the heat exchange element is used in a heat exchange ventilator that exchanges heat between a charge air flow for supplying outdoor air into the room and an exhaust flow for exhausting room air to the outside.
  • FIG. 1 is an exploded perspective view in which a part of a heat exchange element 100 according to Embodiment 1 of the present invention is disassembled in the Z-axis direction.
  • a second cross flow passage 400 joined.
  • the opposite flow passage portion 200 is a flow passage member in which the air supply flow and the exhaust flow flow in parallel and in opposite directions with the substrate interposed therebetween, and exchanges heat between the air supply flow and the exhaust flow through the substrate.
  • the first intersecting flow path portion 300 and the second intersecting flow path portion 400 are members which flow so as to intersect the air supply flow and the exhaust flow with the substrate interposed therebetween, and exchange heat via the substrate.
  • a feature of the present embodiment is that the first flow passage plate is provided in a part of the flow passage plate of the first intersecting flow passage portion 300 and the second intersecting flow passage portion 400.
  • the first flow path plate will be described with reference to FIGS. 4, 5A to 5C, and 6, and then, the conventional heat exchange element without the first flow path plate will be described with reference to FIG. After that, referring to FIG. 1, the heat exchange element 100 provided with the first flow path plate of the present embodiment will be described.
  • FIG. 5A is a cross-sectional view of the corrugated sheet 1101 shown in FIG. 4 before the peak is cut out
  • FIG. 5B is a cross-sectional view of the first flow path plate
  • FIG. 6 is a portion of the peak It is a figure which shows the corrugated roll which wound the corrugated sheet
  • the first flow path plate is manufactured using a corrugated sheet obtained by cutting the top of the ridge from the corrugated roll 1100 shown in FIG. As shown in FIG. 5A, from the corrugated sheet 1101 provided with a plurality of peak portions 1130a shown in FIG. 4, the top portions of the peak portions 1130a are cut every other portion as shown by a dashed dotted line, and the corrugated sheet 1201 shown in FIG. Is acquired.
  • the corrugated sheet 1201 is wound and stored as a corrugated roll 1200.
  • the first flow path plate 10 is obtained by pulling out the corrugated sheet 1201 from the corrugated roll 1200 and cutting out the drawn out corrugated sheet 1201 with a desired length and width along the line DD ′ and the line EE ′. Be done.
  • the first flow path plate 10 includes a first substrate 11 and a first flow path forming plate 12 bonded to one surface of the first substrate 11.
  • the first flow path forming plate 12 includes a peak 13a and a valley 13b whose tops extend parallel to each other, and the peak of the valley 13b is adhered to the first substrate 11 by an adhesive.
  • the first flow path plate 10 includes eight peak portions 13 a as many as the peak portions 213 a of the second flow path plate 210 described later.
  • the ridges 13a are alternately provided with cut-outs 13c in which the tops of the ridges 13a are cut away.
  • the cutout 13c is formed continuously from one end to the other end of the ridge 13a along the extending direction of the ridge 13a.
  • the remaining portion 13 aa left after the top portion of the peak portion 13 a is cut away remains in a shape that is erected from the first substrate 11.
  • the first flow path 14a is formed between the peak portion 13a in which the cutaway portion 13c is not formed and the first substrate 11, and a pair of cutaway portions 13c including the space in which the cutaway portion 13c is formed is formed.
  • the first flow path 14b is formed in the space between the non-peak portions 13a.
  • the 1st flow path 14b containing the peak part 13a in which the cutting part 13c was formed is the 1st formed by the peak part 13a which is not provided with the cutting part 13c by providing the cutting part 13c.
  • the cross-sectional area of the flow path is larger than that of the flow path 14a, and the pressure loss can be reduced.
  • the cut-out portion 13c is continuously formed from one end to the other end of the peak 13a along the extending direction of the peak 13a.
  • the first flow path 14 b is a flow path flowing in the direction from one end of the ridge 13 a to the other end or in the opposite direction.
  • the cross-sectional area of the first flow path 14b does not change discontinuously in the extending direction of the peak portion 13a because the cut portion 13c is continuously formed. Therefore, the pressure loss of the first flow passage 14b can be reduced, as compared with the flow passage in which the cutaway portion 13c is formed discontinuously along the extending direction of the peak portion 13a.
  • the cut-off portion 13c shown in FIG. 5B is formed by cutting the top of the peak portion 13a, but since the entire peak portion 13a is not cut off, the remaining portion 13aa standing from the first substrate 11 remains. Due to the presence of the remaining portion 13aa, air resistance occurs in the first flow passage 14b, and the pressure loss increases. Therefore, the entire ridge 13a including the top may be cut without leaving the remaining portion 13aa.
  • FIG. 5C shows a modified example in which the entire ridge portion 13a including the top portion is cut away.
  • a plurality of peak portions 1130a of the corrugated sheet 1101 shown in FIG. 5A are cut out every other one to obtain the first flow path plate 10 shown in FIG. 5C.
  • the first flow path forming plate 12 of the first flow path plate 10 is formed by alternately arranging the peak portions 13 a and the cut-out portions 13 c.
  • the cutout portion 13c is formed from one end to the other end of the ridge 13a along the extending direction of the ridge 13a.
  • the first flow path 14a is formed in a space between the peak portion 13a in which the cutaway portion 13c is not formed and the first substrate 11, and the first flow path 14b is a peak portion in which the cutaway portion 13c is formed. It forms in the space between the peak parts 13a in which a pair of cutting part 13c is not formed including 13a.
  • the first flow path 14b is formed by the first flow path 14a formed by the peak portion 13a not provided with the cut-out portion 13c. Or the cross-sectional area of a flow path becomes large from the 1st flow path 14b formed of the peak part 13a which has remainder 13aa, and a pressure loss can be reduced.
  • FIG. 5A shows an example in which the remaining portion 13aa remaining after cutting the top portion is left in a shape rising from the first substrate 11, the remaining portion 13aa is not left as it is in the cut off state.
  • the remaining portion 13 aa can be curved toward the first substrate 11 by applying a pressing force in the direction of the substrate 11, to be close to the substrate surface of the first substrate 11.
  • FIG. 7A and 7B show a modification in which the remaining portion 13aa is brought close to the substrate surface of the first substrate 11.
  • FIG. FIG. 7A is an enlarged view showing a state in which the valley portion 13b of the first flow path forming plate 12 is attached to the first substrate 11 with the adhesive 13ab, and the top of the peak portion 13a is cut away. As illustrated, the top portion of the ridge portion 13a of the first flow path forming plate 12 is cut away, and the remaining portion 13aa remains.
  • the remaining portion 13aa is a portion that forms the mountain portion 13a, and is curved upward.
  • the remaining portion 13aa is bent downward and disposed close to the substrate surface of the first substrate 11.
  • the remaining portion 13aa brought into close proximity to the substrate surface of the first substrate 11 may have the adhesive 13ab interposed between the first substrate 11 and the remaining portion 13aa, and be adhered to the first substrate 11, or the adhesive It is not necessary to use 13ab.
  • the first flow path 14 a is formed in a space between the peak portion 13 a where the cutout portion 13 c is not formed and the first substrate 11.
  • the first flow path 14b is formed in the space between the ridges 13a in which the pair of cut-outs 13c including the cut-outs 13c is not formed. Since the remaining portion 13aa is pressed against the substrate surface of the first substrate 11 and brought close to the first substrate 11, the remaining portion 13aa is different from the flow path formed in a state of being curved in the upward direction, There are no obstacles in the first flow path 14b, and the pressure loss can be reduced.
  • the first flow path plate 10 includes a fourth flow path plate 310 and a fifth flow path plate 320 that constitute the first intersecting flow path portion 300, and a sixth that forms the second intersecting flow path portion 400.
  • the flow passage plate 410 and the seventh flow passage plate 420 are used in place of any one of the flow passage plates.
  • a cutter device is used to cut out the top of the mountain portion 13a to form the cut portion 13c.
  • a cutter blade used for a cutter apparatus a disk-like cutter blade is used which cuts a peak along the extending direction of the top of the peak.
  • the cutter blade 80 is formed, for example, in a disk shape as shown in FIGS. 8A and 8B, and an axial hole 80a penetrating in the thickness direction is formed in the central portion thereof.
  • a rotating shaft which will be described later, is inserted into the shaft hole 80a, and the cutter blade 80 is also rotated by the rotation of the rotating shaft.
  • a blade portion 80b is formed on the outer peripheral portion of the cutter blade 80, and the crest portion 13a is cut by rotating the cutter blade 80 and bringing the blade portion 80b into contact with the crest portion of the crest portion 13a.
  • the cutter blade 80 is formed of, for example, a clad steel formed by bonding a plurality of metals.
  • the method for cutting the top of the ridge portion using the cutter blade 80 will be specifically described.
  • the rotating shaft 80c is inserted in each axial hole 80a of a pair of cutter blade 80, and the rotating shaft 80c is supported by the support member which is not shown in figure.
  • the pair of cutter blades 80 is disposed at a predetermined distance m1.
  • the predetermined distance m1 is set smaller than the distance m2 between the apexes of the pair of valleys 13b adjacent to the ridges 13a.
  • the cutter blade 80 is disposed such that the direction in which the top of the ridge 13a extends is parallel to the surface of the disk.
  • the cutter blade 80 is rotated about the rotation shaft 80c, and the first flow path plate 10 is in the same direction as the extending direction of the top of the peak 13a while bringing the blade 80b into contact with the peak 13a.
  • the ridge 13a is cut by moving relative to the The ridge 13a is continuously cut from one end to the other end of the ridge 13a along the extending direction of the top of the ridge 13a. By cutting the mountain portion 13a, the cut portion 13c and the remaining portion 13aa are formed.
  • the cutting of the mountain portion 13a uses a method of so-called half cut processing in which only the mountain portion 13a is cut and the first substrate 11 is not cut.
  • Half cut processing is realized by adjusting the distance H1 between the rotation axis 80c and the first substrate 11.
  • the distance H1 between the rotating shaft 80c and the substrate surface of the first substrate 11 is determined, and the blade edge of the blade 80b contacts the ridge 13a but contacts the first substrate 11 Do not set in the range.
  • the user changes the position of the rotating shaft 80c in accordance with the set range.
  • it may be set so as not to be larger than the radius H 2 of the cutter blade 80.
  • the distance H1 between the rotation shaft 80c and the first substrate 11 is increased, and when it is desired to leave a small amount of remaining portion 13aa in the ridge portion 13a. Reduce the distance H1. Further, when changing the distance H1, the distance m1 between the pair of cutter blades 80 is also changed to adjust so that the blade portion 80b of the cutter blade 80 abuts on the peak portion 13a.
  • the cut portion 13 c can be easily formed. Further, by adapting the cutting method by half cutting, only the peak portion 13 a can be cut without cutting the first substrate 11.
  • FIG. 9A shows the appearance of a knife-shaped cutter blade 90.
  • the cutter blade 90 is comprised from the holder 90a and the blade part 90b so that it may show in figure.
  • the cutter blade 90 is disposed above the peak 13a by a support member (not shown).
  • the holder 90a is comprised from a pair of main-body part 90aa as shown to the exploded view of FIG. 9B, and each main-body part 90aa is provided with the recessed part 90ab which accommodates the blade part 90b. Moreover, as a shape of the blade of the blade part 90b, a single blade may be used, and a double blade may be used.
  • the blade edge of the blade portion 90b abuts on the ridge 13a of the first flow path forming plate 12, and the relative movement of the ridge 13a in the extending direction of the ridge 13a causes the apex of the ridge 13a to The cut portion 13c and the remaining portion 13aa are formed.
  • Half cutting is realized by adjusting the distance D1 which protrudes from the end of the holder 90a of the blade 90b housed in the holder 90a, as shown in FIG. 9D.
  • the distance D1 is adjusted in a range in which the blade edge of the blade portion 90b abuts on the ridge portion 13a but does not contact the first substrate 11.
  • the distance D2 from the end of the holder 90a to the first substrate 11 is set so as not to be larger than the distance D1 so that the cutting edge of the blade portion 90b does not contact the first substrate 11. Specifically, as shown in FIG.
  • the accommodation position of the blade portion 90b accommodated in the recess 90ab of the holder 90a is changed, and the amount of projection from the end of the holder 90a is changed.
  • the tip end of the blade portion 90b of the cutter blade 90 can cut only the peak portion 13a without cutting the first substrate 11.
  • the distance D1 is decreased.
  • the distance D1 is increased.
  • the distance n between the pair of cutter blades 90 is also changed.
  • FIG. 2 is a perspective view in which the conventional heat exchange element 110 is disassembled into the opposing flow passage portion 200, the first intersecting flow passage portion 300, and the second intersecting flow passage portion 400. Similar to the heat exchange element 100, the heat exchange element 110 includes an opposing flow passage portion 200, a first intersecting flow passage portion 300, and a second intersecting flow passage portion 400.
  • the flow path plate used for the opposing flow path portion 200, the first intersecting flow path portion 300, and the second intersecting flow path portion 400 is a flow formed by cutting the corrugated sheet drawn from the corrugated roll. It is a road board.
  • a corrugated sheet refers to a flat sheet member having a wave-shaped flow path forming member whose cross section is formed by peaks and valleys, in which a valley or a peak of a peak is adhered, and a corrugated sheet The member wound with the sheet is referred to as a corrugated roll.
  • the sheet member is formed of a material having heat conductivity and moisture permeability, or a material having only heat conductivity.
  • the flow path forming member is formed of at least a non-breathable material.
  • a pulp material is used as a material of the sheet member.
  • a raw material of a flow-path formation board a metal raw material, a resin raw material, and a carbon raw material are used, for example.
  • the opposite flow passage portion 200 is formed by alternately laminating a rectangular second flow passage plate 210 and a rectangular third flow passage plate 220.
  • the second flow path plate 210 and the third flow path plate 220 draw the corrugated sheet 1101 from the corrugated roll 1100 shown in FIG. 4, and the BB ′ line parallel to the width direction of the corrugated sheet 1101 and the width direction Is taken at a line perpendicular to the CC 'line.
  • the corrugated sheet 1101 includes a plate-like sheet member 1120 and a flow path forming member 1130 adhered to one surface of the sheet member 1120.
  • the flow path forming member 1130 is alternately formed with peak portions 1130 a and valley portions 1130 b whose apexes extend parallel to the width direction of the corrugated sheet 1101.
  • the corrugated sheet 1101 is different from the corrugated sheet 1101 for manufacturing the first flow path plate 10 in the diameter of the flow path.
  • the second flow passage plate 210 includes a second substrate 211 and a second flow passage forming plate 212 bonded to one surface of the second substrate 211.
  • the second flow path forming plate 212 includes peak portions 213 a and valley portions 213 b alternately arranged in parallel to one side of the second substrate 211.
  • the peaks 213a and the valleys 213b are arranged such that their tops extend in parallel.
  • the tops of the valleys 213 b are bonded to the second substrate 211 with an adhesive, and a second flow path 214 is formed between the second substrate 211 and the second substrate 211.
  • the second flow path plate 210 includes eight peak portions 213a.
  • the third flow path plate 220 has the same structure as the second flow path plate 210, and is bonded to the third substrate 221 and one surface of the third substrate 221 as shown in FIG. 3A. And a third flow path forming plate 222.
  • the third flow path forming plate 222 includes peak portions 223 a and valley portions 223 b alternately arranged in parallel to one side of the third substrate 221.
  • the peaks 223 a and the valleys 223 b are disposed such that their tops extend in parallel with each other.
  • the tops of the valleys 223 b are bonded to the third substrate 221 with an adhesive, and a third flow path 224 is formed between the third substrate 221 and the third substrate 221.
  • the third flow path plate 220 includes eight peak portions 223 a as many as the peak portions 213 a of the second flow path plate 210.
  • the first intersecting flow path portion 300 is formed by alternately stacking a triangular-shaped fourth flow path plate 310 and a triangular-shaped fifth flow path plate 320.
  • the fourth flow path plate 310 is cut out of the corrugated sheet different from the corrugated roll 1100 shown in FIG. 4 at an angle ⁇ with respect to the flow path
  • the fifth flow path plate 320 is
  • the channel plate is cut out at an angle ⁇ with respect to the channel.
  • the angle ⁇ is an obtuse angle
  • the angle ⁇ is an acute angle.
  • the diameters of the holes opened in the cut surfaces of the fourth flow path plate 310 and the fifth flow path plate 320 are the same as the diameters of the second flow path plate 210 and the third flow path plate 220.
  • the fourth flow path plate 310 includes a fourth substrate 311 having a triangular shape, and a fourth flow path forming plate 312 bonded to one surface of the fourth substrate 311.
  • the fourth flow path forming plate 312 includes a ridge 313 a and a valley 313 b extending in parallel from the side orthogonal to the triangular flow path of the fourth substrate 311 to the side cut at an angle ⁇ .
  • the tops of the valleys 313 b are adhered to the fourth substrate 311 with an adhesive, and a fourth flow path 314 is formed between the fourth substrate 311 and the fourth substrate 311.
  • the fourth flow path plate 310 includes eight peak portions 313 a as many as the peak portions 213 a of the second flow path plate 210.
  • the fifth flow path plate 320 includes a fifth substrate 321 having a triangular shape, and a fifth flow path forming plate 322 bonded to one surface of the fifth substrate 321.
  • the fifth flow path forming plate 322 includes peak portions 323 a and valley portions 323 b extending in parallel toward the side cut at an angle ⁇ from the side orthogonal to the triangular flow path of the fifth substrate 321.
  • the top of the valley portion 323 b is adhered to the fifth substrate 321 with an adhesive, and the fifth flow path 324 is formed between the fifth substrate 321 and the fifth substrate 321.
  • the fifth flow path plate 320 includes eight peak portions 323 a as many as the peak portions 213 a of the second flow path plate 210.
  • the fourth flow path plate 310 and the fifth flow path plate 320 are arranged alternately so that the fourth flow path 314 and the fifth flow path 324 intersect with each other, and the triangular prism shape shown in FIG. A first intersecting flow passage portion 300 is formed.
  • the first intersecting flow path portion 300 has a third surface 330 facing the first surface 230, a fourth surface 340 facing in a direction different from the third surface 330, a third surface 330, and a fourth surface 330. And a fifth surface 350 facing in a direction different from the surface 340 of the The third surface 330, the fourth surface 340, and the fifth surface 350 form the side surfaces of the triangular prism of the first intersecting flow channel portion 300. Then, the fourth flow passage 314 penetrates from the third surface 330 to the fourth surface 340, and the fifth flow passage 324 penetrates from the third surface 330 to the fifth surface 350. Do. In the third surface 330, one of the openings of the fourth channel 314 and the fifth channel 324 opens.
  • the first surface 230 and the third surface 330 face each other and abut each other, whereby the second flow path plate 210 and the fourth flow path plate 310, and the third flow path plate 220 and the fifth The flow path plates 320 are abutted against each other. Further, the second flow path 214 and the fourth flow path 314 are in communication, and the third flow path 224 and the fifth flow path 324 are in communication.
  • the fourth flow path plate 310 is a member cut out at an angle of ⁇ from the corrugated sheet
  • the fifth flow path plate 320 is a member cut out at an angle of ⁇ .
  • the flow path and the flow path of the first intersecting flow path portion 300 are arranged to be bent at the junction as shown in FIG. Thus, a large pressure drop occurs at the joint.
  • the other opening of the fourth flow channel 314 is open to the fourth surface 340, and the other opening of the fifth flow channel 324 is open to the fifth surface 350.
  • the fourth flow passage 314 and the fifth flow passage 324 are in communication with the flow passage continuing indoors or outdoors via the openings formed in the fourth surface 340 and the fifth surface 350.
  • the second intersecting flow path portion 400 is formed by alternately stacking a triangular-shaped sixth flow path plate 410 and a triangular-shaped seventh flow path plate 420.
  • the sixth flow path plate 410 is cut out from the corrugated sheet different from the corrugated roll 1100 shown in FIG. 4 at an angle ⁇ to the flow path, as shown in FIG. 3D
  • the seventh flow path plate 420 is As shown in FIG. 3E, it is a flow path plate cut out at an angle ⁇ with respect to the flow path.
  • the angle ⁇ is an acute angle
  • the angle ⁇ is an obtuse angle.
  • the diameters of the holes opened in the cut surfaces of the sixth flow path plate 410 and the seventh flow path plate 420 are the same as the diameters of the second flow path plate 210 and the third flow path plate 220.
  • the sixth flow path plate 410 includes a sixth substrate 411 having a triangular shape and a sixth flow path forming plate 412 bonded to one surface of the sixth substrate 411.
  • the sixth flow path forming plate 412 has a peak 413 a and a valley 413 b extending in parallel toward the side cut at an angle ⁇ from the side orthogonal to the triangular flow path of the sixth substrate 411, and the valley The top of the portion 413 b is adhered to the sixth substrate 411 with an adhesive, and a sixth flow path 414 is formed between the sixth substrate 411 and the sixth substrate 411.
  • the sixth flow path plate 410 includes eight peak portions 413 a as many as the peak portions 213 a of the second flow path plate 210.
  • the seventh flow passage plate 420 includes a seventh substrate 421 having a triangular shape, and a seventh flow passage forming plate 422 bonded to one surface of the seventh substrate 421.
  • the seventh flow path forming plate 422 includes a peak portion 423a and a valley portion 423b extending in parallel toward the side cut at an angle ⁇ from the side orthogonal to the triangular flow path of the seventh substrate 421.
  • the top of the valley portion 423 b is adhered to the seventh substrate 421 with an adhesive, and the seventh flow path 424 is formed between the seventh substrate 421 and the seventh substrate 421.
  • the seventh flow path plate 420 includes eight peak portions 423 a as many as the peak portions 213 a of the second flow path plate 210.
  • the sixth flow path plate 410 and the seventh flow path plate 420 are arranged such that the sixth flow path 414 and the seventh flow path 424 intersect with each other, and are alternately stacked.
  • the second cross flow passage 400 is formed.
  • the second intersecting flow path portion 400 has a sixth surface 430 facing the second surface 240, a seventh surface 440 facing in a direction different from the sixth surface 430, a sixth surface 430, and a seventh surface 430. And an eighth surface 450 facing in a direction different from the surface 440 of The sixth surface 430, the seventh surface 440, and the eighth surface 450 form the side surfaces of the triangular prism of the second intersecting flow channel portion 400.
  • the sixth flow passage 414 penetrates from the sixth surface 430 to the seventh surface 440, and the seventh flow passage 424 penetrates from the sixth surface 430 to the eighth surface 450. In the sixth surface 430, one of the openings of the sixth channel 414 and the seventh channel 424 opens.
  • the second surface 240 and the sixth surface 430 are abutted against each other.
  • the second flow path plate 210 and the sixth flow path plate 410, and the third flow path plate 220 and the seventh flow path plate 420 are opposed and in contact with each other.
  • the second flow channel 214 and the sixth flow channel 414 are in communication
  • the third flow channel 224 and the seventh flow channel 424 are in communication.
  • the sixth flow path plate 410 is a member cut out from the corrugated sheet at an angle of ⁇
  • the seventh flow path plate 420 is a member cut out at an angle of ⁇ .
  • the flow path and the flow path of the second intersecting flow path portion 400 are arranged to be bent at the joint portion. Thus, a large pressure drop occurs at the joint.
  • the other of the sixth flow channels 414 is open, and in the eighth surface 450, the other of the seventh flow channels 424 is open.
  • the sixth flow path 414 and the seventh flow path 424 are in communication with the flow path continuing indoors or outdoors via the openings formed in the seventh surface 440 and the eighth surface 450.
  • the heat exchange element 100 including the first flow path plate is the same as the heat exchange element 110 in the opposite flow path portion 200, the first cross flow path portion 300, and the second cross flow And a road portion 400.
  • the opposing flow passage portion 200 is formed by alternately laminating a rectangular second flow passage plate 210 and a rectangular third flow passage plate 220.
  • the opposite flow passage portion 200 has the same structure as the opposite flow passage portion 200 described in the heat exchange element 110.
  • the first intersecting flow path portion 300 is formed by alternately stacking a triangular-shaped fourth flow path plate 310 and a triangular-shaped fifth flow path plate 320. Unlike the heat exchange element 110, the fourth flow path plate 310 and the fifth flow path plate 320 have a structure replaced with the first flow path plate 10.
  • the second intersecting flow path portion 400 is formed by alternately stacking a triangular-shaped sixth flow path plate 410 and a triangular-shaped seventh flow path plate 420. Unlike the heat exchange element 110, the sixth flow path plate 410 and the seventh flow path plate 420 have a structure replaced with the first flow path plate 10.
  • FIGS. 10A-D The perspective view at the time of replacing each of the 4th channel plate 310, the 5th channel plate 320, the 6th channel plate 410, and the 7th channel plate 420 with the 1st channel plate 10.
  • FIGS. 10A-D 10A shows a fourth flow path plate 310
  • FIG. 10B shows a fifth flow path plate 320
  • FIG. 10C shows a sixth flow path plate 410
  • FIG. 10D shows a seventh flow path plate 420
  • the fourth flow path plate 310 using the first flow path plate 10 is referred to as a fourth flow path plate 310, and the fifth flow path plate 320 using the first flow path plate 10 is ,
  • the sixth flow path plate 410 using the first flow path plate 10 is described as the sixth flow path plate 410, and the first flow path plate 10 is described.
  • the seventh flow path plate 420 used will be described as the seventh flow path plate 420.
  • the fourth flow path plate 310, the fifth flow path plate 320, the sixth flow path plate 410, and the seventh flow path plate 420 each have the first substrate 11; And a first flow path forming plate 12 bonded to one surface of the first substrate 11.
  • the first flow path forming plate 12 includes, in the first substrate 11, a peak portion 13a whose top extends in parallel.
  • the ridges 13a are alternately provided with cut-off portions 13c whose tops are cut off.
  • the mountain portion 13a is displayed as having a cut-out portion 13c in which all of the mountain portion 13a including the top portion is cut away, and four mountain portions 13a are displayed in the drawing.
  • the opposite flow path unit 200 includes the first surface 230 and the second surface 240, and the first intersecting flow path unit 300 includes the heat exchange element 110, as shown in FIG.
  • the second intersecting flow path portion 400 includes the third surface 330, the fourth surface 340, and the fifth surface 350. , Seventh surface 440 and eighth surface 450.
  • the first surface 230 and the third surface 330 of the opposite flow channel portion 200 are in contact with each other while being in contact with each other, and the second surface 240 of the opposite flow channel portion 200 and the sixth surface 430 are opposite to each other Be abutted.
  • the second flow path plate 210 and the fourth flow path plate 310, and the second flow path plate 210 and the sixth flow path plate 410 are coated with an adhesive on the facing surface, and a contact portion in the X-axis direction Is bonded by bonding the bonding tape 500.
  • the third flow path plate 220 and the fifth flow path plate 320, and the third flow path plate 220 and the seventh flow path plate 420 are coated with an adhesive on the facing surface, and the contact portion in the X-axis direction Is bonded by bonding the bonding tape 600 to the
  • a reinforcing tape 700 is attached to the junction of the first intersecting channel 300 and the opposing channel 200 in the Z-axis direction, and the second intersecting channel 400 and the opposing channel 200 in the Z-axis direction.
  • a reinforcing tape 700 is also attached to the contact portion to prevent the exhaust flow and the air supply flow from leaking out of the heat exchange element 100.
  • the heat exchange element 100 to which the first flow path plate 10 is applied as the flow path plate of the first cross flow path portion 300 and the second cross flow path portion 400, Since the expanded flow path is formed by the cutaway portion 13c and the adjacent peak portion 13a, the heat exchange element 100 with a small pressure loss can be provided.
  • FIG. 12 shows the relationship between the pressure loss and the air volume of the first flow path plate 10 formed with every other cut-out portion 13 c and the flow path plate without the cut-out portion.
  • the vertical axis of FIG. 12 indicates the pressure drop (Pa), and the horizontal axis indicates the CMH (Cubic Meter per Hour) which is the air volume. CMH indicates how many cubic meters (m 3 ) of air can be sent per hour.
  • ⁇ indicates the value of the flow path plate not having the cutaway portion
  • ⁇ indicates the value of the first flow path plate 10 in which the cutaway portions 13c are alternately formed.
  • the first flow path plate 10 having the cut-out portions 13 c every other one exhibits lower pressure loss than the flow path plate having no cut-out portion.
  • wire of FIG. 1 is shown in FIG.
  • the opposing flow passage 200 shown in FIG. 11 shows the flow of fluid when the first intersecting flow passage 300 and the second intersecting flow passage 400 are not connected.
  • the opposing flow path portion 200 is formed by alternately laminating a second flow path plate 210 including the second flow path 214 and a third flow path plate 220 including the third flow path 224.
  • the double circle marks shown mean that the air flow flows in the direction from the back side of the paper to the surface penetration.
  • a mark indicated by a cross in the ⁇ means that the air flow flows in a direction penetrating from the front side to the back side of the paper surface.
  • the air flow is supplied to one flow path, and the exhaust flow is flowed to the other flow path, and heat exchange is performed via the second substrate 211 and the third substrate 221.
  • One of the air flow flowing in the second flow path 214 and the air flow flowing in the third flow path 224 are the air supply flow and the other is the exhaust flow.
  • the charge air flow and the exhaust gas flow oppositely, as indicated by arrows in FIG. 1, and are totally exchanged through the second substrate 211 and the third substrate 221.
  • the charge flow and the exhaust flow flow in parallel with each other, so the pressure loss is also small.
  • the first cross flow passage portion 300 and the opposite flow passage portion 200, and the second cross flow passage portion 400 and the opposite flow passage portion 200 are connected by bending the flow passages, so that the pressure loss is large. Further, the ratio of the total length (L 1) of the flow paths of the first intersecting flow path portion 300 and the second cross flow path portion 400 to the flow path length (L 2) of the opposing flow path portion 200 As (L1 / L2) increases, the volume occupied by the first intersecting flow passage portion 300 and the second intersecting flow passage portion 400 increases.
  • the heat exchange rates of the charge air flow and the exhaust flow in the intersecting flow paths are lower than the heat exchange rates in the flow paths parallel to each other. Therefore, it is necessary to reduce the volume occupied by the first intersecting flow passage portion 300 and the second intersecting flow passage portion 400, and to make the flow passage length (L2) of the opposing flow passage portion 200 as long as possible.
  • the entire apparatus becomes large, and it becomes difficult to form a sufficient intersecting flow passage in the first intersecting flow passage portion 300 and the second intersecting flow passage portion 400.
  • a flow path in which the two flow paths are mixed is formed by the cut-out portion 13c and the adjacent ridge portion 13a.
  • the fluid also flows to the outside of the flow path shown in FIG.
  • the ridge portion 13a in which the cutaway portion 13c is not formed, and the cutaway portion are formed. Unconnected peak portions 223a are connected. Then, as in the case where the fluid flows from the fourth flow path plate 310 to the sixth flow path plate 410 through the second flow path plate 210, the fluid flows between the flow path plates.
  • the heat exchange element 100 has an air supply flow that flows from one direction as a whole between the first intersecting flow passage portion 300, the opposing flow passage portion 200, and the second intersecting flow passage portion 400, and is opposite to the one flow direction. Exhaust flow in the direction flows.
  • the present embodiment instead of lengthening the flow path of the opposing flow path portion 200 or shortening the flow path of the first intersecting flow path portion 300 and the second intersecting flow path portion 400 to reduce pressure loss.
  • the pressure loss is reduced by using the first flow path plate 10 having the cutaway portion 13 c as the flow path plate of the first intersecting flow path portion 300 and the second intersecting flow path portion 400.
  • the first flow path plate 10 is used as the flow path plate of the first intersecting flow path portion 300 and the second intersecting flow path portion 400. Since the first flow path plate 10 includes the cutaway portion 13c obtained by cutting the top of the peak portion 13a, a flow path having a larger cross-sectional area than the flow path not including the cutaway portion 13c is formed, and pressure loss can be reduced.
  • the first intersecting flow passage portion 300 either the exhaust flow or the charge air flow from the fourth flow passage plate 310 toward the second flow passage plate 210, and the third flow Either the exhaust flow or the charge air flow from the passage plate 220 toward the fifth flow passage plate 320, and the exhaust flow and supply between the fourth flow passage plate 310 and the fifth flow passage plate 320.
  • the air flows crosswise.
  • the exhaust flow and the charge flow cross and flow between the sixth flow path plate 410 and the fifth flow path plate 320.
  • the cross flow of the charge flow and the exhaust flow causes heat exchange through the substrate.
  • the heat exchange rate of the intersecting air streams is lower than the heat exchange rate of the opposing air streams, but the first stream as the flow path plate of the first intersecting flow path portion 300 and the second intersecting flow path portion 400
  • the passage plate 10 By using the passage plate 10, the contact area between the substrate and the air flow is increased, and the heat exchange rate is also improved.
  • Second Embodiment In the first embodiment, the case has been described in which the crests 13a having the cut-outs 13c and the crests 13a not having the cut-outs 13c are alternately arranged. There are various variations in the number and intervals of arranging the ridges 13a including the cutouts 13c. For example, as shown to FIG. 13B, you may use the 1st flow-path plate 20 by which the two peak parts 23a provided with the cutting part 23c, and the peak parts 23a which do not have the cutting part 23c alternately are arrange
  • the first flow path plate 20 is a corrugated sheet obtained by cutting the top of the peak 1130a from the corrugated sheet 1101 shown in FIG. 4 from two continuous peaks 1130a as indicated by a dashed dotted line. Manufactured from sheets.
  • the first flow path plate 20 is obtained by cutting a desired length and width from a corrugated sheet obtained by cutting out two consecutive peak portions 1130a.
  • the first flow path plate 20 includes a first substrate 21 and a first flow path forming plate 22 bonded to one surface of the first substrate 21.
  • the first flow path forming plate 22 includes a peak 23 a and a valley 23 b whose tops extend in parallel to the first substrate 21, and the top of the valley 23 b is adhesively bonded to the first substrate 21. Bonded to form a first flow path 24 with the first substrate 21.
  • the first flow path forming plate 22 includes eight peak portions 23 a as many as the peak portions 213 a of the second flow path forming plate 212.
  • the mountain portion 23a includes a cut-out portion 23c in which the top portion of the mountain portion 1130a is cut. And two peak parts 23a provided with cut-out part 23c and peak parts 23a which are not provided with cut-out part 23c are arranged by turns.
  • the first flow path 24 is formed between the peak portion 23a in which the cutaway portion 23c is not formed and the first substrate 21 and between the peak portion 23a in which the cutaway portion 23c is formed and the first substrate 21. It is formed.
  • the first flow path 24 formed between the ridge portion 23a in which the cut-out portion 23c is formed and the first substrate 21 has a large flow path cross-sectional area due to the cut-out portion 23c, and the pressure loss is reduced.
  • the flow passage cross-sectional area can be larger than that of the first flow passage plate 10, and the pressure loss can be smaller than that of the first flow passage plate 10.
  • FIG. 14 shows the relationship between the pressure loss and the flow rate of the first flow path plate 20 provided with two consecutive cut-out portions 23c and the first flow path plate 10 provided with cut-out portions 13c every other one.
  • ⁇ indicates the value of the first flow path plate 10 in which the cutaway portions 13c are formed alternately
  • ⁇ indicates the first flow path plate in which two cutaway portions 23c are formed. Indicates a value of 20.
  • the first flow path plate 20 including two consecutive cut portions 23 c exhibits lower pressure loss than the first flow path plate 10 including every other cut portion 13 c. .
  • the first flow path plate 20 forms a fourth flow path plate 310 and a fifth flow path plate 320 that form the first intersecting flow path portion 300, and a sixth that forms the second intersecting flow path portion 400. And the seventh flow path plate 420. Then, by combining the first intersecting flow path portion 300 using the first flow path plate 20 and the second intersecting flow path portion 400 using the first flow path plate 20 with the opposing flow path portion 200 The heat exchange element 100 is formed.
  • the other configuration of the heat exchange element 100 is the same as that of the first embodiment.
  • the cutaway portion 23c is provided as the flow path plate of the fourth flow path plate 310, the fifth flow path plate 320, the sixth flow path plate 410, and the seventh flow path plate 420.
  • the first flow path plate 20 in which two ridges 23a are arranged the pressure loss of the air flow or the exhaust flow flowing through the flow path can be reduced.
  • Embodiments 1 and 2 an example in which the first flow path plates 10 and 20 are used as the flow path plates of the first intersecting flow path portion 300 and the second intersecting flow path portion 400 has been described.
  • the present invention is not limited to such an example of use, and any one of the flow path plates constituting the first cross flow path portion 300 and the second cross flow path portion 400 may be the first flow path plate.
  • the flow path plate 10 or the first flow path plate 20 may be used.
  • the present embodiment is an example in which the first flow path plate 10 including the alternately cut out portions 13 c is used as a part of the flow path plate forming the first intersecting flow path portion 300.
  • the heat exchange element 100 includes a first intersecting flow passage portion 300, an opposing flow passage portion 200, and a second intersecting flow passage portion 400.
  • the structure of the opposite flow passage portion 200 is the same as that of the first and second embodiments.
  • the first intersecting flow passage portion 300 includes a fourth flow passage plate 310 and a fifth flow passage plate 320, and is formed by laminating the fourth flow passage plate 310 and the fifth flow passage plate 320. Ru.
  • the first intersecting flow path portion 300 is formed by alternately arranging the one in which the fourth flow path plate 310 is replaced with the first flow path plate 10 and the flow path plate not replacing it.
  • the fifth flow path plate 320 may or may not be replaced with the first flow path plate 10.
  • the sixth flow path plate 410 and the seventh flow path plate 420 of the second intersecting flow path portion 400 may or may not be replaced with the first flow path plate 10.
  • the pressure loss can be reduced by replacing a part of the fourth flow path plate 310 of the first intersecting flow path portion 300 with the first flow path plate 10, and the flow to be replaced By making the road plate a part, the strength of the first intersecting flow passage portion 300 can be maintained.
  • the first flow passage plate 10 and the first flow passage plate 20 may be used in combination as a flow passage plate of the first intersecting flow passage portion 300 or the second intersecting flow passage portion 400.
  • the heat exchange element 100 includes a first intersecting flow passage portion 300, an opposing flow passage portion 200, and a second intersecting flow passage portion 400.
  • the structure of the opposite flow passage portion 200 is the same as that of the first embodiment.
  • the first intersecting flow passage portion 300 includes a fourth flow passage plate 310 and a fifth flow passage plate 320, and is formed by laminating the fourth flow passage plate 310 and the fifth flow passage plate 320. Ru.
  • the first intersecting flow path portion 300 is formed by alternately arranging the fourth flow path plate 310 replaced with the first flow path plate 10 and the one replaced with the first flow path plate 20. Be done.
  • the fifth flow path plate 320 may or may not be replaced with the first flow path plate 10 or the first flow path plate 20.
  • the sixth flow path plate 410 and the seventh flow path plate 420 of the second intersecting flow path portion 400 may or may not be replaced by the first flow path plate 10 or the first flow path plate 20. It is also good.
  • the pressure loss is reduced by replacing the fourth flow path plate 310 of the first intersecting flow path portion 300 with the first flow path plate 10 and the first flow path plate 20. be able to. Further, as compared with the case where only the first flow path plate 10 is applied to the first intersecting flow path portion 300, by using the first flow path plate 20 in which two cutting portions 23c are continuously arranged in combination, Pressure loss can be reduced.
  • the heat exchange element 100 can be provided according to the tendency of the pressure loss of the heat exchange element 100 or the strength characteristic of the heat exchange element 100.
  • the mountain portion 1130a is cut from the corrugated sheet 1101, and the corrugated sheet 1101 from which the mountain portion 1130a is cut is cut to a desired length and width to form the first flow path plate 10, 20 were manufactured.
  • the first flow path plate can also be manufactured using another corrugated sheet without using the corrugated sheet 1101.
  • the first flow path plate 30 is manufactured using a corrugated sheet 1301 in which the tops of the valleys are not bonded with an adhesive.
  • FIGS. 17A-17C illustrate a method of making a corrugated sheet where the tops of some of the valleys are not bonded
  • FIG. 18 shows a wound corrugated sheet where the tops of some of the valleys are not bonded
  • FIGS. 19A and 19B are diagrams showing a method of manufacturing a first flow path plate by cutting a part of a peak from the corrugated roll shown in FIG.
  • a flow path forming member 1305 including a peak portion 1303 and a valley portion 1304 is supplied. And as shown to FIG. 17A, the flow-path formation member 1305 is moved to the direction orthogonal to the direction in which the peak part of the peak part 1303 and the valley part 1304 was formed. At the same time, the adhesive member 70 is moved to advance and retract toward the valley portion 1304. When the bonding member 70 is moved toward the valley and the bonding member 70 contacts the top of the valley 1304, the adhesive 71 is applied to the top of the valley 1304. When the adhesive member 70 is separated from the valley 1304, the adhesive 71 is not applied. By moving the bonding member 70 back and forth, the adhesive 71 is applied to every other top of the valleys 1304.
  • the sheet member 1302 is supplied, and the flow path forming member 1305 to which the adhesive 71 is applied is attached to the sheet member 1302.
  • the valley portion 1304 to which the adhesive 71 is not applied is not adhered to the sheet member 1302, and the top of the valley portion 1304 is The corrugated sheet 1301 which is not adhered to the sheet member 1302 is obtained.
  • the corrugated sheet 1301 includes a sheet member 1302, a peak portion 1303 and a valley portion 1304 whose tops extend in parallel, and the valley portion 1304 is adhered to one surface of the sheet member 1303 with an adhesive. And a flow path forming member 1305.
  • the valley portion 1304 includes a valley portion 1304 a adhered to the sheet member 1302 and a valley portion 1304 b to which the top portion is not adhered. Specifically, valleys 1304 a with two continuous tops attached and valleys 1304 b not attached are alternately arranged and arranged in the sheet member 1302. By the valleys 1304b not to be bonded, the normal ridges 1303 and the combined ridges 1306 in which two ridges 1303 are united by the valleys 1304b not being bonded are alternately arranged in the corrugated sheet 1301. The corrugated sheet 1301 is wound and stored as a corrugated roll 1300 as shown in FIG.
  • the corrugated sheet 1301 is drawn out from the corrugated roll 1300 shown in FIG. 18 and cut into a desired length or width. And as shown to FIG. 19A, the top part of the united mountain part 1306 is cut out with the dashed-dotted line shown to a figure from the corrugated sheet 1301, and the 1st flow-path plate 30 shown to FIG. 19B is acquired.
  • the first flow path plate 30 includes a first substrate 31 and a first flow path forming plate 32 including a peak portion 32a and a valley portion 32b.
  • the valley portion 32b is bonded to the surface on one side.
  • a cutaway portion 33c formed by cutting the top of the united ridge 1306 of the corrugated sheet 1301 is formed.
  • the first flow path 34a is formed between the first substrate 31 and the ridge portion 32a, and the first flow path 34b is formed between the first substrate 31 and the cutout portion 33c.
  • the first flow path 34 b is a flow path combined with the cutout portion 33 c and the valley portion 32 b adjacent to the cut portion 33 c.
  • the first flow path plate 30 is manufactured from the corrugated sheet 1301 to which the tops of some of the valleys are not adhered.
  • the first flow path plate 30 does not cut out the two peak portions 32 a like the first flow path plate 20 of the second embodiment, but only cuts out one combined peak portion 1306 to form two peak portions. It is possible to provide a cut equivalent to cutting 32a. Therefore, the excision operation can be simplified.
  • the tops of the valleys of the first flow path plate 30 do not remain as remaining portions between the peak portions. The pressure loss can be reduced by the fact that the remainder of the valley does not remain.
  • the air flow flowing through the first flow passage 34 b has an area in contact with the first substrate 31 larger than that of the first flow passage 34 a, so that the heat exchange efficiency is also improved.
  • the cutout 13c may not be disposed in the entire flow channel plate, and may be formed in a partial region of the flow channel plate.
  • the first flow path plate 40 is used as the flow path plate of the fifth flow path plate 320 and the seventh flow path plate 420.
  • the fifth flow path plate 320 using the first flow path plate 40 is referred to as a fifth flow path plate 320
  • the seventh flow path plate 420 using the first flow path plate 40 is ,
  • the seventh flow path plate 420 will be described.
  • a portion shown by a solid line is a mountain portion where a cutaway portion is not formed
  • a portion shown by a dotted line is a mountain portion where a cutaway portion is formed.
  • the fifth flow path plate 320 includes a mountain portion 43a in which the cut-out portion 43c is formed, and a mountain portion 43a in which the cut-out portion 43c is not formed.
  • the cutout portion 43 c is formed in the first region 44 in which the long peak portion 43 a of the fifth flow channel plate 320 is formed.
  • the seventh flow path plate 420 includes a mountain portion 43a in which the cutaway portion 43c is formed, and a mountain portion 43a in which the cutaway portion 43c is not formed.
  • the cutout portion 43 c is formed in the second region 45 in which the long peak portion 43 a of the seventh flow channel plate 420 is formed.
  • the first area 44 and the second area 45 are disposed in a point-symmetrical position in the heat exchange element 100.
  • the first area 44 and the second area 45 in which the cut-out portion 43c is formed are arranged in a point-symmetrical position, cutting is performed at a position where an equivalent pressure loss occurs.
  • the part 43c is to be arranged.
  • the cut-out portion 43c is formed at a position where an equal pressure loss occurs, the pressure loss can be kept small and the pressure loss can be reduced.
  • the cutaway portion 43c is formed only in a partial region of the fifth flow path plate 320 and the seventh flow path plate 420, the strength of the heat exchange element 100 can be maintained.
  • the cutaway portions 13c and 23c are formed from one end to the other end of the ridges 13a and 23a along the extending direction of the ridges 13a and 23a.
  • the cut-off portion in the present invention is not limited to the case where it is continuously formed from one end to the other end of the peak.
  • the cut out portions may be formed at intervals along the extending direction of the ridges.
  • a first flow path plate 50 in which cutaway portions 53c are formed at an interval For example, as shown in FIG. 21, as a flow path plate of the first intersecting flow path portion 300 and the second intersecting flow path portion 400, a first flow path plate 50 in which cutaway portions 53c are formed at an interval. Apply. In the drawing, the peak portion 53a of the first flow path plate 50 is shown by a straight line, and the cut portion 53c is shown by a blank.
  • the fifth flow path plate 320 using the first flow path plate 50 is referred to as a fifth flow path plate 320, and the seventh flow path plate 420 using the first flow path plate 50 is , And the seventh flow path plate 420 will be described.
  • the fifth flow path plate 320 includes cut-out portions 53c formed at intervals along the extension direction of the peak portion 53a, and the seventh flow path plate 420 is similarly extended in the extension direction of the peak portion 53a. Along with the cut-out part 53c formed at intervals.
  • the cut-out portion 53c may be formed in at least one peak portion, may be formed in all the peak portions 53a, or may be formed in every other peak portion 53a or two consecutive peak portions 53a. Good.
  • the cut portion is formed along the extending direction of the peak portion.
  • the cut-off portion in the present invention is any one peak portion of the portion where the first surface and the third surface are joined, or any one peak portion of the portion where the second surface and the fourth surface are joined. , May be formed.
  • the first flow path plate 60 in which the cutaway portion 63c is formed is applied as a flow path plate of the first intersecting flow path portion 300 and the second intersecting flow path portion 400.
  • the peak portion 63a of the first flow path plate 60 is indicated by a straight line
  • the cut portion 53c is indicated by a blank.
  • the fifth flow path plate 320 using the first flow path plate 50 is referred to as a fifth flow path plate 320
  • the seventh flow path plate 420 using the first flow path plate 50 is , And the seventh flow path plate 420 will be described.
  • the third flow path plate 220 and the fifth flow path plate 320 are joined at opposing ends by joining the first surface 230 and the third surface 330, as shown in FIG. Ru.
  • the fifth flow path plate 320 is provided with a cut-out portion 63 c obtained by cutting the top portion of the peak portion 63 a in a portion joined to the third flow path plate 220.
  • the third flow path plate 220 and the seventh flow path plate 420 are joined at opposing ends by joining the second face 240 and the sixth face 430, as shown in FIG. Ru.
  • the seventh flow path plate 420 includes a cut-out portion 63 c obtained by cutting the top of the peak portion 63 a in a portion joined to the third flow path plate 220.
  • the cutaway portion 63c may be formed at least in the continuous ridge portion 63a of the joint.
  • the cutaway portion 63c formed in the fifth flow path plate 320 and the seventh flow path plate 420 may be formed in at least one peak portion 63a, or may be formed in all the peak portions 63a, It may be formed on every other peak portion 63a or two consecutive peak portions 63a.
  • the cutaway portion 63c is continuously formed at the position where the third flow path plate 220 and the fifth flow path plate 320 or the seventh flow path plate 420 are joined. Can reduce pressure loss. Further, since only the vicinity of the joint portion of the peak portion 63a is cut off, the strength of the heat exchange element can be maintained. In addition, a cutaway portion may be formed in the ridge portion of the joint portion of the third flow path plate 220.
  • the heat exchange element 100 described in the first to seventh embodiments is applied to a heat exchange ventilator 800 shown in FIG.
  • the heat exchange ventilator 800 includes a heat exchange element 100, an exhaust fan 801, and an air supply fan 802.
  • the outdoor air OA is operated by the air supply fan 802, supplied to the air supply fan 802 via the heat exchange element 100, and introduced into the room as the air supply SA.
  • the indoor air RA is exhausted by the exhaust fan 801 via the heat exchange element 100 by operating the exhaust fan 801, and is exhausted to the outside as exhaust EA. Since the charge air flow and the exhaust gas flow are air flows facing each other in the opposite flow path portion of the heat exchange element 100, total heat exchange is performed, and heat exchange can be performed efficiently.
  • the first flow path plate 10 is provided every other cut-out portion 13c, and in the second and fourth embodiments, the first flow path plate 20 has two continuous cut-out portions 23c. Case has been described. The present invention is not limited to such a case in which the cut portion is formed. In consideration of the rigidity of the flow path plate, three or more cut portions may be formed continuously.
  • the peak portion There may be at least two, and can be applied to various heat exchange elements.
  • the distance between the cutter blade 90 and the first substrate 11 is adjusted by changing the distance D1 of the blade portion 90b protruding from the end of the holder 90a, the holder 90a is supported
  • the support member may be adjusted up and down.
  • the pair of cutter blades 80 and 90 are used when cutting the mountain portion 13a, but one cutter blade 80 or 90 may be used.
  • the cutter blades 80 and 90 are used to form the cutting portion 13c, but in the second to seventh embodiments, to form the cutting portions 23c, 33c, 43c, 53c, and 63c, The cutter blade 80 or the cutter blade 90 may be used.
  • Embodiments 1 and 2 when all the flow path plates of the first intersecting flow path portion 300 and the second intersecting flow path portion 400 are replaced with the first flow path plate 10 or the first flow path plate 20. Although described, only some flow path plates may be replaced.
  • the first substrate 31 is manufactured using the corrugated sheet 1301 obtained by applying an adhesive to every top of the valley.
  • the present invention is not limited to the application of an adhesive to every other top of the valley, for example, an adhesive may be applied to every second of the top of the valley to cut out three coalesced peaks. It is also possible to form an excision.
  • the present invention is not limited to such a method of application, and for example, the bonding member may be advanced and retracted while the flow path forming plate is wound around a cylindrical member.
  • the cutaway portion 43c is formed in the first area 44 and the second area 45.
  • the cutouts 43c may be formed on every other peak as described in the first embodiment, or may be formed on two consecutive peaks as described in the second embodiment. Furthermore, as described in the sixth embodiment, they may be formed at intervals along the direction in which the crests of the ridges extend.
  • the fourth flow path plate 310 The first flow path plate 40 may be used as the sixth flow path plate 410.
  • the cutaway portion 53c and the cutaway portion 63c are formed in the fifth flow path plate 320 and the seventh flow path plate 420, but the fourth flow path plate 310 and the sixth flow path plate Similarly, the cut-out portion 53 c and the cut-out portion 63 c may be formed on the flow path plate 410 of FIG.
  • the first flow path plate is described as being used for the first intersecting flow path portion 300 or the second intersecting flow path portion 400, but may be used for the opposing flow path portion 200.
  • the present invention can be suitably used for a flow path plate, a heat exchange element, and a method of manufacturing the flow path plate.
  • first flow passage plate 11, 21, 31 first substrate, 12 first flow passage forming plate, 13a, 23a, 32a, 43a, 53a, 63a peak portion, 13aa Remaining part, 13ab adhesive, 13b, 23b, 32b valley part, 13c, 23c, 33c, 43c, 53c, 53c, 63c cutout part, 14a, 14b first channel, 34a, 34b first channel, 44 first Area 45 second area 70 adhesive member 71 adhesive 80 cutter blade 80a axial hole 80b blade 80c rotary shaft 90 cutter blade 90a holder 90aa main body 90ab concave 90b blade 100, 110 heat exchange element, 111 first substrate, 112 first channel forming plate, 112a peak portion, 112b valley portion, 114 first channel, 00 Opposite flow passage portion, 210 second flow passage plate, 211 second substrate, 212 second flow passage forming plate, 213a peak portion, 213b valley portion, 214 second flow passage, 220 third flow passage Plate, 221 third substrate,

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

La présente invention concerne une plaque de canal d'écoulement utilisée dans un élément d'échange de chaleur (100) et comprenant : des premières plaques de base ; et des premières plaques de formation de canal d'écoulement équipées d'au moins deux sections crêtes (13a) et sections vallées dont les sommets s'étendent en parallèle, les sommets des sections vallées étant liés aux premières plaques de base et formant des premiers canaux d'écoulement (14). Une ou plusieurs des sections crêtes (13a) parmi les au moins deux sections crêtes (13a) des premières plaques de formation de canal d'écoulement sont équipées d'une partie encoche ayant une forme dans laquelle au moins le sommet a été découpé.
PCT/JP2018/027312 2017-09-13 2018-07-20 Plaque de canal d'écoulement, élément d'échange de chaleur, et procédé de fabrication de plaque de canal d'écoulement WO2019054052A1 (fr)

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JP2019541936A JP6785979B2 (ja) 2017-09-13 2018-07-20 流路板及び流路板の製造方法

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KR102223356B1 (ko) * 2020-07-13 2021-03-05 송길섭 대향류 전열교환기의 제조방법

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GB1576441A (en) * 1976-05-06 1980-10-08 Chausson Usines Sa Method for the manufacture of heat exchanger cores of the type comprising tubes and secondary exchange element and aheat exchanger core obtaining by this method
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JPH10160375A (ja) * 1996-11-25 1998-06-19 Denso Corp 熱交換器
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JP2006064345A (ja) * 2004-08-30 2006-03-09 T Rad Co Ltd 伝熱フィン
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US20100000722A1 (en) * 2008-07-03 2010-01-07 Arun Muley heat exchanger fin containing notches
WO2011158371A1 (fr) * 2010-06-18 2011-12-22 トヨタ自動車株式会社 Refroidisseur
EP3034978A1 (fr) * 2014-12-15 2016-06-22 Korea Institute of Energy Research Échangeur de chaleur de type plaque, à plaque découpée
WO2016147359A1 (fr) * 2015-03-18 2016-09-22 三菱電機株式会社 Élément de transfert de chaleur et procédé de fabrication d'élément de transfert de chaleur

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2656158A (en) * 1948-07-23 1953-10-20 Air Preheater Plate type heat exchanger and method of manufacturing same
GB1576441A (en) * 1976-05-06 1980-10-08 Chausson Usines Sa Method for the manufacture of heat exchanger cores of the type comprising tubes and secondary exchange element and aheat exchanger core obtaining by this method
JPH0517368U (ja) * 1991-04-12 1993-03-05 大同紙工業株式会社 熱交換型換気装置
JPH09296989A (ja) * 1996-05-02 1997-11-18 Toyo Radiator Co Ltd 熱交換器用フィンおよびその製造方法並びに熱交換器
JPH10160375A (ja) * 1996-11-25 1998-06-19 Denso Corp 熱交換器
JP2003139481A (ja) * 2001-11-01 2003-05-14 Mitsubishi Electric Corp 熱交換器及び熱交換器の製造方法
JP2006064345A (ja) * 2004-08-30 2006-03-09 T Rad Co Ltd 伝熱フィン
JP2009524000A (ja) * 2006-01-19 2009-06-25 モーディーン・マニュファクチャリング・カンパニー フラットチューブ、フラットチューブ型熱交換器及びその製造方法
WO2008155810A1 (fr) * 2007-06-18 2008-12-24 Mitsubishi Electric Corporation Élément d'échange de chaleur, procédé de fabrication de l'élément de chaleur, échangeur de chaleur et dispositif d'échange de chaleur et de ventilation
US20100000722A1 (en) * 2008-07-03 2010-01-07 Arun Muley heat exchanger fin containing notches
WO2011158371A1 (fr) * 2010-06-18 2011-12-22 トヨタ自動車株式会社 Refroidisseur
EP3034978A1 (fr) * 2014-12-15 2016-06-22 Korea Institute of Energy Research Échangeur de chaleur de type plaque, à plaque découpée
WO2016147359A1 (fr) * 2015-03-18 2016-09-22 三菱電機株式会社 Élément de transfert de chaleur et procédé de fabrication d'élément de transfert de chaleur

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102223356B1 (ko) * 2020-07-13 2021-03-05 송길섭 대향류 전열교환기의 제조방법
WO2022014779A1 (fr) * 2020-07-13 2022-01-20 (주)가온테크 Procédé de fabrication d'échangeur de chaleur totale à contre-courant

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