CN101451796B - Heat exchanger, heat exchanger core body and method for manufacturing same - Google Patents
Heat exchanger, heat exchanger core body and method for manufacturing same Download PDFInfo
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- CN101451796B CN101451796B CN2007101947278A CN200710194727A CN101451796B CN 101451796 B CN101451796 B CN 101451796B CN 2007101947278 A CN2007101947278 A CN 2007101947278A CN 200710194727 A CN200710194727 A CN 200710194727A CN 101451796 B CN101451796 B CN 101451796B
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Abstract
The embodiment of the invention discloses a heat exchanger for a machine cabinet, comprising a heat exchanger core, an internal circulation fan and an external circulation fan; wherein the internal circulation fan is used for providing the internal airflow of the machine cabinet to the heat exchanger core; the external circulation fan is used for providing the external airflow of the machine cabinet to the heat exchanger core; the heat exchanger core is constituted by stacking a plurality of sheets in interval; each sheet is a lattice construction of N by N and has N layers of grids; each layer of grid is provided with N grids; wherein N is natural number; when N is an odd number, except one grid of each sheet at the center of the lattice construction, the rest grids are provided with recesses or bosses; and when N is even number, each grid is provided with recesses or bosses. The embodiment of the invention further discloses a heat management system, a heat exchanger core and a manufacturing method of the heat exchanger core and improves the heat exchanging efficiency of the heat exchanger.
Description
Technical field
The present invention relates to hot swapping, relate in particular to the manufacture method of rack with heat exchanger, heat management system, heat exchanger core and heat exchanger core body.
Background technology
At present, normally used heat exchanger comprises rack heat exchanger and conventional heat exchanger.Be introduced respectively below.
Communication apparatus often places in the communication cabinet, for protection (IP, InternationalProtect) class requirement, the heat radiation that solves communication apparatus of satisfying communication apparatus, need to use heat exchanger on the communication cabinet, this class heat exchanger is called the rack heat exchanger.Along with the communication system integrated level is more and more higher, the communication apparatus caloric value is increasing, do not changing under communication cabinet and rack the condition with the heat exchanger volume, existing rack can not satisfy the demand that heat dissipation capacity increases with heat exchanger, therefore need improve the heat exchange efficiency of rack with heat exchanger under with the condition of heat exchanger volume not increasing rack.
Referring to Fig. 1 (a), be the interior circulation flow field schematic diagram of rack in the prior art with heat exchanger, Fig. 1 (b) is the outer circulation flow field schematic diagram that rack is used heat exchanger in the prior art, circulating fan 11, outer circulation fan 13, heat exchanger core 12, housing 16 and dividing plate 17 in its rack mainly comprises with heat exchanger.
Housing 16 is used to place heat exchanger core 12, interior circulating fan 11 and outer circulation fan 13.
16 one-tenth miter angles of heat exchanger core 12 and housing are put, heat exchanger core 12 is laminated according to spacing by a plurality of sheet metals, sheet metal is packaged into isolated interior circulation air path and outer circulating air duct in the heat exchanger with specific packaged type, the exchange that the air communication in two adjacent air channels is crossed the heat conduction realization heat of metallic walls.Each sheet metal is the network that N multiply by N, and N is a natural number, the number of plies of expression network, and each grid dashes pit or boss, and usually, the boss of last layer thin slice is corresponding with the pit of following one deck thin slice.As boss 14 and the pit 15 that marks out among the figure: evenly dashing respectively on the different directions of sheet metal among the figure has 8 boss and 8 pits, and the circle of representing with blank is a boss, is pit with the circle of shadow representation, and boss and pit are separately.
Interior circulating fan 11, the interior circulation air path that is used for the rack internal gas flow is offered heat exchanger core 12 carries out heat exchange.
Outer circulation fan 13, the outer circulating air duct that is used for the rack outer gas stream is offered heat exchanger core 12 is carried out heat exchange.
The rack internal gas flow that is provided by interior circulating fan 11 outputs to rack inside after carrying out heat exchange through the interior circulation air path of heat exchanger core 12.The rack outer gas stream that is provided by outer circulation fan 13 outputs to the rack outside after carrying out heat exchanger through the outer circulating air duct of interchanger core body 12.Like this, when the rack internal gas flow passes through heat exchanger core, through behind this heat exchanger core, reduced temperature by the rack outer gas stream, thereby realized the heat exchange of rack internal gas flow and rack outer gas stream by the rack internal gas flow of heat exchanger core 12.
Dividing plate 17, the air-flow of circulation and outer circulation in being used to isolate.
During practice, conventional heat exchanger can be positioned in the ventilation shaft, at this moment, heat exchanger core becomes 45 degree with air duct wall, circulating fan and outer circulation fan in not comprising, and internal gas flow and outer gas stream offer heat exchanger core by ventilation shaft.
The inventor finds that in realizing process of the present invention existing heat exchanger causes the interior gas-flow resistance of inside and outside circulation air path big, the noise height because of the form even spaced apart of its boss and pit; And the heat exchange dead band will appear, the dash area that the air-flow shown in Fig. 1 (c) can't arrive, and this dash area is exactly the heat exchange dead band, thereby causes heat exchange efficiency low.
Summary of the invention
The embodiment of the invention provides a kind of rack heat exchanger, and this rack can improve heat exchange efficiency with heat exchanger.
The embodiment of the invention provides a kind of heat management system, and this heat management system can improve heat exchange efficiency.
The embodiment of the invention provides a kind of heat exchanger core, and this heat exchanger core can improve heat exchange efficiency.
The embodiment of the invention provides a kind of manufacture method of heat exchanger core, and this method can improve heat exchange efficiency.
A kind of rack heat exchanger comprises heat exchanger core, interior circulating fan and outer circulation fan, and described interior circulating fan is used for the rack internal gas flow is offered described heat exchanger core; Described outer circulation fan is used for described rack outer gas stream is offered described heat exchanger core; Wherein, described heat exchanger core is laminated according to spacing by a plurality of thin slices, each thin slice is the network that N multiply by N, and each thin slice is N layer grid altogether, and every layer of grid is provided with N grid, N is a natural number, when N was odd number, except that a grid at each thin slice network center, all the other grids dash pit or boss, when N was even number, each grid dashes pit or boss;
On the ground floor grid of each thin slice network, begin at this layer grid towards N-1 boss arranged from first grid of clockwise direction, the boss number successively reduces two from the ground floor grid toward interior, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
A kind of heat management system, comprise interior ventilation shaft, separate ventilation pipeline and heat exchanger core, described heat exchanger core is located in described interior ventilation shaft and the separate ventilation pipeline, wherein, described heat exchanger is laminated according to spacing by a plurality of thin slices, each thin slice is the network that N multiply by N, each thin slice is N layer grid altogether, every layer of grid is provided with N grid, and N is a natural number, when N is odd number, except that a grid at each thin slice network center, all the other grids dash pit or boss, and when N was even number, each grid dashes pit or boss; On the ground floor grid of each thin slice network, begin at this layer grid towards N-1 boss arranged from first grid of clockwise direction, the boss number successively reduces two from the ground floor grid toward interior, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
A kind of heat exchanger core, described heat exchanger core is laminated according to spacing by a plurality of thin slices, each thin slice is the network that N multiply by N, and each thin slice is N layer grid altogether, and every layer of grid is provided with N grid, N is a natural number, when N was odd number, except that a grid at each thin slice network center, all the other grids dash pit or boss, when N was even number, each grid dashes pit or boss;
On the ground floor grid of each thin slice network, begin at this layer grid towards N-1 boss arranged from first grid of clockwise direction, the boss number successively reduces two from the ground floor grid toward interior, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
A kind of manufacture method of heat exchanger core comprises:
On each thin slice of forming heat exchanger core, begin at N-1 boss of ground floor grid upper punch from clockwise first grid of the ground floor grid of network, from past interior two boss that successively reduce of ground floor grid, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point; Network on each thin slice multiply by N with N arranges, and N is a natural number, when N is odd number, except that grid at each thin slice network center and dash and have the grid of boss, all the other grids are towards pit, when N is even number, have the grid of boss except that dashing, all the other grids are towards pit;
A plurality of thin slices are stacked according to spacing;
Described a plurality of thin slices after stacked are encapsulated as isolated interior circulation air path and outer circulating air duct, constitute heat exchanger core.
From such scheme as can be seen, the embodiment of the invention concerns the direction that changes air-flow in the heat exchanger core by boss, the groove position on the thin slice that changes heat exchanger core, the interior airflow field of inside and outside circulation air path is evenly distributed, thereby, eliminate the heat exchange dead band, improved the heat exchange efficiency of heat exchange.
Description of drawings
Fig. 1 (a) is the interior circulation flow field schematic diagram that rack is used heat exchanger in the prior art;
Fig. 1 (b) is the outer circulation flow field schematic diagram that rack is used heat exchanger in the prior art;
Fig. 1 (c) is the heat exchange dead band schematic diagram that rack is used heat exchanger in the prior art;
Fig. 2 is the general shape structural representation of embodiment of the invention rack with heat exchanger;
Fig. 3 (a) constitutes one of them thin slice 4 * 4 network schematic diagram of inner cycle channel for the embodiment of the invention;
Fig. 3 (b) constitutes one of them thin slice 4 * 4 network schematic diagram of outer circulation passage for the embodiment of the invention;
Fig. 4 (a) constitutes one of them thin slice 5 * 5 network schematic diagram of inner cycle channel for the embodiment of the invention;
Fig. 4 (b) constitutes one of them thin slice 5 * 5 network schematic diagram of outer circulation passage for the embodiment of the invention;
Fig. 5 (a) constitutes one of them thin slice 6 * 6 network schematic diagram of inner cycle channel for the embodiment of the invention;
Fig. 5 (b) constitutes one of them thin slice 6 * 6 network schematic diagram of outer circulation passage for the embodiment of the invention;
Fig. 6 (a) is the interior circular flow field distribution schematic diagram of the rack of the embodiment of the invention 4 * 4 networks with heat exchanger;
Fig. 6 (b) is the outer circulation Flow Field Distribution schematic diagram of the rack of the embodiment of the invention 4 * 4 networks with heat exchanger.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in more detail.
The embodiment of the invention is improved heat exchanger core, is specially the boss that has improved on the thin slice of forming heat exchanger core, the layout of concave station, thereby improves the heat exchanger heat exchange efficiency.
Particularly, the heat exchanger of the embodiment of the invention comprises heat exchanger core at least, and this heat exchanger core is laminated according to spacing by a plurality of thin slices, and each thin slice is the network that N multiply by N, each thin slice is N layer grid altogether, every layer of grid is provided with N grid, and N is a natural number, when N is odd number, except that a grid at each thin slice network center, all the other grids dash pit or boss, and when N was even number, each grid dashes pit or boss.Usually, the boss of last layer thin slice is corresponding with the pit of following one deck thin slice, that is, the boss of last layer thin slice offsets with the pit of following one deck thin slice.Thin slice is encapsulated as isolated interior circulation air path and outer circulating air duct.Wherein, the boss of arranging on each thin slice is: begin at this layer grid towards N-1 boss arranged from first grid of clockwise direction on the ground floor grid of each thin slice network, the boss number successively reduces two from the ground floor grid toward interior, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
When being even number for N, preceding 1/2 part of described network is ground floor to the 1/2 * N layer from network, and back 1/2 part of described network is 1/2 * N+1 layer to the N layer from network.
When being odd number for N, the ground floor to 1/2 that preceding 1/2 part of described network is a network * (N-1) layer, and the 1/2nd * (N-1)+1 layer of a part of grid of going up in two parts grid that is separated by a grid at this thin slice network center; Described back 1/2 part be from grid 1/2 * (N+1)+1 layer to the N layer, and another part grid in two parts grid that is separated by a grid at this thin slice network center on the 1/2nd * (N-1)+1 layer.
Alternatively, the boss of arranging on the thin slice is: begin at this layer towards N-1 boss arranged from first grid of clockwise direction on the network ground floor of each thin slice, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network; The boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
Alternatively, the boss of arranging on the thin slice is: begin at this layer towards N-1 boss arranged from first grid of clockwise direction on the network ground floor of each thin slice, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network; The boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.The layout of the boss that this even level and odd-level dash also can improve heat and change efficient.
Can be different materials according to the described thin slice of concrete needs, as: can be sheet metal or plastic tab, described thin slice can also adopt the scraps of paper to realize when heat exchanger was used for air-conditioning, or the like.
Heat exchanger in the embodiment of the invention can adopt conventional heat exchanger or rack heat exchanger.When heat exchanger was conventional heat exchanger, this heat exchanger included only the heat exchanger core in the rack usefulness heat exchanger.Be example with the rack heat exchanger below, the heat exchanger of the embodiment of the invention is described.
Referring to Fig. 2, be the general shape structural representation of embodiment of the invention rack, circulating fan 11, outer circulation fan 13, housing 16, dividing plate 17, heat exchanger core 22 and fan fixed head 18 in this rack comprises with heat exchanger with heat exchanger.
Identical among wherein interior circulating fan 11, outer circulation fan 13, housing 16, dividing plate 17 and Fig. 1.This heat exchanger can also comprise fan fixed head 18, is used for the outer circulation fan is fixed in the housing.
This heat exchanger also comprises the heat exchanger core 22 that becomes miter angle to place with housing, this heat exchanger core is laminated according to spacing by a plurality of thin slices, each thin slice is the network that N multiply by N, and each thin slice is N layer grid altogether, and every layer of grid is provided with N grid, N is a natural number, when N was odd number, except that a grid at each thin slice network center, all the other grids dash pit or boss, when N was even number, each grid dashes pit or boss.Usually, the boss of last layer thin slice offsets with the pit of following one deck thin slice, and the height sum of the height of boss and pit is the spacing between the adjacent two layers thin slice.Thin slice is encapsulated as isolated interior circulation air path and outer circulating air duct.Wherein, the boss of arranging on each thin slice is: begin at this layer grid towards N-1 boss arranged from first grid of clockwise direction on the ground floor grid of each thin slice network, the boss number successively reduces two from the ground floor grid toward interior, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
Layout with Fig. 3, the 4 and 5 pairs of adjacent two thin slice convex platforms of the embodiment of the invention and pit is illustrated below, among the figure, is boss with the blank circle of representing, is pit with the circle of shadow representation.Fig. 3 is the embodiment of the invention 4 * 4 network schematic diagrames, (a) wherein is the network schematic diagram of one of them thin slice of formation inner cycle channel, (b) be the network schematic diagram of one of them thin slice of constituting the outer circulation passage, (b) thin slice shown in is that the thin slice shown in (a) turn 90 degrees the angle and places and form on the plane at thin slice place; Fig. 4 is the embodiment of the invention 5 * 5 network schematic diagrames, (a) wherein is the network schematic diagram of one of them thin slice of formation inner cycle channel, (b) be the network schematic diagram of one of them thin slice of constituting the outer circulation passage, (b) thin slice shown in is that the thin slice shown in (a) turn 90 degrees the angle and places and form on the plane at thin slice place; Fig. 5 is the embodiment of the invention 6 * 6 network schematic diagrames, (a) wherein is the network schematic diagram of one of them thin slice of formation inner cycle channel, (b) be the network schematic diagram of one of them thin slice of constituting the outer circulation passage, (b) thin slice shown in is that the thin slice shown in (a) turn 90 degrees the angle and places and form on the plane at thin slice place.Fig. 3, in 4 and 5, the boss of arranging on each thin slice is: begin at this layer towards N-1 boss arranged from first grid of clockwise direction on the network ground floor of each thin slice, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.By Fig. 3,4 and 5 as seen, the boss of thin slice upper punch even layout unlike prior art in the embodiment of the invention, but successively reduce two, form " Z " shape and distribute.
Being example with the network shown in (a) among Fig. 3 below describes the layout of thin slice convex platform, and its network is 4 * 4, and this network comprises four layers: ground floor 31, the second layer 32, the 3rd layer 33 and the 4th layers 34.Ground floor has the circle of 3 blank expressions, and 4-1=3 boss just arranged; Inwardly successively reduce by two boss from ground floor 31, because adjacent ground floor 31 is the second layer 32, be even level, therefore, on the second layer 32 along first grid of corresponding ground floor 31 boss counterclockwise, just be designated as 35 grid among (a) among Fig. 3 and begin, towards 3-2=1 boss; Dashed the boss of the ground floor 31 and the second layer 32, also just finished the boss of preceding 1/2 part of network, with the boss of back 1/2 part network, just the 3rd layer of 33 boss with the 4th layer 34 dashes to become axial symmetry to get final product with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
Being example with the network shown in (a) among Fig. 5 more below describes the layout of thin slice convex platform, and its network is 6 * 6, and this network comprises six layers: ground floor 51, the second layer 52, the 3rd layer 53, the 4th layers 54, layer 5 55 and layer 6 56.Ground floor 51 has the circle of 5 blank expressions, and 6-1=5 boss just arranged; Inwardly successively reduce by two boss from ground floor 51, because adjacent ground floor 51 is the second layer 52, be even level, therefore, on the second layer 52 along first grid of corresponding ground floor 51 boss correspondences counterclockwise, just (a) among Fig. 5 is designated as 57 grid and begins, towards 5-2=3 boss; The adjacent second layer 52 be the 3rd layer 53, be odd-level, therefore, first grid along the corresponding second layer 52 boss of counter clockwise direction on the 3rd layer 53 begins toward counterclockwise moving a beginning grid, just (a) from Fig. 5 is designated as 58 grid and begins, and dashes the 3rd layer 53 3-2=1 boss; Dashed the boss of ground floor 51, the second layer 52 and the 3rd layer 53, also just finished the boss of preceding 1/2 part of network, with the boss of back 1/2 part network, just the 4th layer 54, layer 5 55 and layer 6 56 dash to becoming spool to getting final product about the vertical straight line by this thin slice central point with the boss of preceding 1/2 part.
Network among Fig. 3 and Fig. 5 is the situation of even level, is that the layout of example thin slice convex platform when network is the odd-level situation describes with the network shown in (a) among Fig. 4 below.The network of Fig. 4 is 5 * 5, and this network comprises five layers, owing to be odd-level, a grid 43 of thin slice grid element center is not towards pit, also not towards boss.Ground floor has the circle of 4 blank expressions, and 5-1=4 boss just arranged; Inwardly successively reduce by two boss from ground floor,, be even level because adjacent ground floor is the second layer, therefore, on the second layer along first grid of corresponding ground floor boss counterclockwise towards 4-2=2 boss; Dashed the boss of the ground floor and the second layer, just finished the boss of preceding 1/2 part of network, described preceding 1/2 part just is designated as 41 the interior network of frame of broken lines among the figure, become axial symmetry to get final product about vertical straight line by this thin slice central point the boss of back 1/2 part network, described back 1/2 part network just is designated as 42 the interior network of frame of broken lines among the figure.
(a) among Fig. 6 is interior circular flow field distribution, be the interior circular flow field distribution schematic diagram of the rack of the embodiment of the invention 4 * 4 networks with heat exchanger, it is parallel with dividing plate that circulating fan offers the direction of internal gas flow main body of heat exchanger core among the figure, just become miter angle with heat exchanger core, the internal gas flow that interior circulating fan provides stops by boss, changed the direction of interior circulating current, the circulation flow field is evenly distributed in the interior circulation air path in making.In like manner, Fig. 6 (b) shows the outer circulation Flow Field Distribution of the rack of the embodiment of the invention 4 * 4 networks with heat exchanger, the outer gas stream that the outer circulation fan provides stops by boss, has changed the direction of outer circulation air-flow, and the outer circulation even flow field is distributed in the outer circulating air duct.From Fig. 6 (a) and 6 (b) as can be seen, the air-flow in the heat exchanger core of this moment in the inside and outside circulation air path all evenly distributes, and does not have the heat exchange dead band.
Here explanation a bit is installed in outdoor situation for communication cabinet, outdoorly is inconvenient to safeguard that consider from durable angle, the thin slice of its heat exchanger core should adopt the sheet metal realization because the rack that uses places for a long time with heat exchanger.
The heat exchanger of the embodiment of the invention becomes the characteristics of miter angle according to the air-supply main body of interior circulating fan and outer circulation fan with heat exchanger core, described air-supply main body just in circulating fan and outer circulation fan send the major part of the wind of heat exchanger to.On the ground floor grid of each thin slice network, begin at this layer grid towards N-1 boss arranged from first grid of clockwise direction, the boss number successively reduces two from the ground floor grid toward interior, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.The boss of Bu Zhiing has changed the direction of air-flow in the inside and outside circulation air path like this, airflow field is evenly distributed in the inside and outside circulation air path in the heat exchanger core, eliminated the heat exchange dead band, reduced airstream vibration, reduced noise, increase the air output of heat exchanger, improved the heat exchange efficiency of heat exchange.
Conventional heat exchanger can place in the ventilating duct during practice, and this ventilating duct can be any ventilating duct that internal gas flow and outer gas stream can be exchanged.Conventional heat exchanger is identical with the heat exchanger core of heat exchanger with rack, repeats no more here.The air intake main body becomes miter angle with conventional heat exchanger, with rack with heat exchanger similarly, airflow field is evenly distributed in the inside and outside circulation air path in the heat exchanger core, eliminated the heat exchange dead band, reduced airstream vibration, reduce noise, increased the air output of heat exchanger, improved the heat exchange efficiency of heat exchange.
The embodiment of the invention also provides a kind of heat management system, comprise interior ventilation shaft, separate ventilation pipeline and heat exchanger core, described heat exchanger core is located in described interior ventilation shaft and the separate ventilation pipeline, wherein, described heat exchanger is laminated according to spacing by a plurality of thin slices, each thin slice is the network that N multiply by N, each thin slice is N layer grid altogether, every layer of grid is provided with N grid, and N is a natural number, when N is odd number, except that a grid at each thin slice network center, all the other grids dash pit or boss, and when N was even number, each grid dashes pit or boss; On the ground floor grid of each thin slice network, begin at this layer grid towards N-1 boss arranged from first grid of clockwise direction, the boss number successively reduces two from the ground floor grid toward interior, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
Alternatively, described on the ground floor of each thin slice network, begin to dash at this layer from first grid of clockwise direction N-1 boss arranged, the boss number inwardly successively reduces two from ground floor, the preceding 1/2 part place up to network comprises:
On the network ground floor of each thin slice, begin at this layer towards N-1 boss arranged from first grid of clockwise direction, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network.
Alternatively, described on the ground floor of each thin slice network, begin to dash at this layer from first grid of clockwise direction N-1 boss arranged, the boss number inwardly successively reduces two from ground floor, the preceding 1/2 part place up to network comprises:
On the network ground floor of each thin slice, begin at this layer towards N-1 boss arranged from first grid of clockwise direction, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network.
The embodiment of the invention also provides a kind of manufacture method of heat exchanger core, and this method comprises:
On each thin slice of forming heat exchanger core, begin at N-1 boss of ground floor grid upper punch from clockwise first grid of the ground floor grid of network, from past interior two boss that successively reduce of ground floor grid, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point; Network on each thin slice multiply by N with N arranges, and N is a natural number, when N is odd number, except that grid at each thin slice network center and dash and have the grid of boss, all the other grids are towards pit, when N is even number, have the grid of boss except that dashing, all the other grids are towards pit;
A plurality of thin slices are stacked according to spacing;
Described a plurality of thin slices after stacked are encapsulated as isolated interior circulation air path and outer circulating air duct, constitute heat exchanger core.
Described on each thin slice of forming heat exchanger core, begin at N-1 boss of ground floor grid upper punch from clockwise first grid of the ground floor grid of network, from past interior two boss that successively reduce of ground floor grid, the preceding 1/2 part place up to network can comprise:
On each thin slice of forming heat exchanger core, begin at N-1 boss of ground floor grid upper punch from clockwise first grid of the ground floor grid of network, from ground floor on interior even level, first grid along the corresponding last layer boss of counter clockwise direction begins, dash at this even level grid and to lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash at this odd-level grid and to lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network.
Described on each thin slice of forming heat exchanger core, begin at N-1 boss of ground floor grid upper punch from clockwise first grid of the ground floor grid of network, from past interior two boss that successively reduce of ground floor grid, preceding 1/2 part place up to network also can comprise:
On each thin slice of forming heat exchanger core, begin at N-1 boss of ground floor grid upper punch from clockwise first grid of the ground floor grid of network, from ground floor on interior even level, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash at this even level grid and to lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash at this odd-level grid and to lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network.
The heat exchanger scheme of the embodiment of the invention becomes the boss of the characteristics layout of miter angle with heat exchanger core according to the air-supply main body of interior circulating fan and outer circulation fan, changed the direction of air-flow in the inside and outside circulation air path, airflow field is evenly distributed in the inside and outside circulation air path in the heat exchanger core, eliminated the heat exchange dead band, reduced airstream vibration, reduce noise, increased the air output of heat exchanger, improved the heat exchange efficiency of heat exchange.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a rack heat exchanger is characterized in that, described rack comprises heat exchanger core, interior circulating fan and outer circulation fan with heat exchanger, and described interior circulating fan is used for the rack internal gas flow is offered described heat exchanger core; Described outer circulation fan is used for described rack outer gas stream is offered described heat exchanger core; Wherein, described heat exchanger core is laminated according to spacing by a plurality of thin slices, each thin slice is the network that N multiply by N, and each thin slice is N layer grid altogether, and every layer of grid is provided with N grid, N is a natural number, when N was odd number, except that a grid at each thin slice network center, all the other grids dash pit or boss, when N was even number, each grid dashes pit or boss;
On the ground floor grid of each thin slice network, begin at this layer grid towards N-1 boss arranged from first grid of clockwise direction, the boss number successively reduces two from the ground floor grid toward interior, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
2. heat exchanger as claimed in claim 1, it is characterized in that, described on the ground floor grid of each thin slice network, begin to dash at this layer grid from first grid of clockwise direction N-1 boss arranged, the boss number successively reduces two from the ground floor grid toward interior, preceding 1/2 part place up to network comprises:
On the network ground floor of each thin slice, begin at this layer towards N-1 boss arranged from first grid of clockwise direction, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network.
3. heat exchanger as claimed in claim 1, it is characterized in that, described on the ground floor grid of each thin slice network, begin to dash at this layer grid from first grid of clockwise direction N-1 boss arranged, the boss number successively reduces two from the ground floor grid toward interior, preceding 1/2 part place up to network comprises:
On the network ground floor of each thin slice, begin at this layer towards N-1 boss arranged from first grid of clockwise direction, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network.
4. heat exchanger as claimed in claim 1 is characterized in that, the preceding 1/2 part place of described network is:
When N was even number, preceding 1/2 part of described network was ground floor to the 1/2 * N layer from network;
When N is odd number, the ground floor to 1/2 that preceding 1/2 part of described network is a network * (N-1) layer, and the 1/2nd * (N-1)+1 layer of a part of grid of going up in two parts grid that is separated by a grid at this thin slice network center.
5. heat management system, it is characterized in that, described heat management system comprises interior ventilation shaft, separate ventilation pipeline and heat exchanger core, described heat exchanger core is located in described interior ventilation shaft and the separate ventilation pipeline, wherein, described heat exchanger is laminated according to spacing by a plurality of thin slices, each thin slice is the network that N multiply by N, and each thin slice is N layer grid altogether, and every layer of grid is provided with N grid, N is a natural number, when N was odd number, except that a grid at each thin slice network center, all the other grids dash pit or boss, when N was even number, each grid dashes pit or boss; On the ground floor grid of each thin slice network, begin at this layer grid towards N-1 boss arranged from first grid of clockwise direction, the boss number successively reduces two from the ground floor grid toward interior, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
6. system as claimed in claim 5, it is characterized in that, described on the ground floor grid of each thin slice network, begin to dash at this layer grid from first grid of clockwise direction N-1 boss arranged, the boss number successively reduces two from the ground floor grid toward interior, preceding 1/2 part place up to network comprises:
On the network ground floor of each thin slice, begin at this layer towards N-1 boss arranged from first grid of clockwise direction, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network.
7. system as claimed in claim 5, it is characterized in that, described on the ground floor grid of each thin slice network, begin to dash at this layer grid from first grid of clockwise direction N-1 boss arranged, the boss number successively reduces two from the ground floor grid toward interior, preceding 1/2 part place up to network comprises:
On the network ground floor of each thin slice, begin at this layer towards N-1 boss arranged from first grid of clockwise direction, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network.
8. heat exchanger core, it is characterized in that described heat exchanger core is laminated according to spacing by a plurality of thin slices, each thin slice is the network that N multiply by N, each thin slice is N layer grid altogether, every layer of grid is provided with N grid, and N is a natural number, when N is odd number, except that a grid at each thin slice network center, all the other grids dash pit or boss, and when N was even number, each grid dashes pit or boss;
On the ground floor grid of each thin slice network, begin at this layer grid towards N-1 boss arranged from first grid of clockwise direction, the boss number successively reduces two from the ground floor grid toward interior, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point.
9. heat exchanger core as claimed in claim 8, it is characterized in that, described on the ground floor grid of each thin slice network, begin to dash at this layer grid from first grid of clockwise direction N-1 boss arranged, the boss number successively reduces two from the ground floor grid toward interior, preceding 1/2 part place up to network comprises:
On the network ground floor of each thin slice, begin at this layer towards N-1 boss arranged from first grid of clockwise direction, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network.
10. heat exchanger core as claimed in claim 8, it is characterized in that, described on the ground floor grid of each thin slice network, begin to dash at this layer grid from first grid of clockwise direction N-1 boss arranged, the boss number successively reduces two from the ground floor grid toward interior, preceding 1/2 part place up to network comprises:
On the network ground floor of each thin slice, begin at this layer towards N-1 boss arranged from first grid of clockwise direction, on the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash to have at this even level grid and lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash to have at this odd-level grid and lack two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network.
11. the manufacture method of a heat exchanger core is characterized in that, this method comprises:
On each thin slice of forming heat exchanger core, begin at N-1 boss of ground floor grid upper punch from clockwise first grid of the ground floor grid of network, from past interior two boss that successively reduce of ground floor grid, up to the preceding 1/2 part place of network, the boss of back 1/2 part becomes axial symmetry with the boss of preceding 1/2 part about vertical straight line by this thin slice central point; Network on each thin slice multiply by N with N arranges, and N is a natural number, when N is odd number, except that grid at each thin slice network center and dash and have the grid of boss, all the other grids are towards pit, when N is even number, have the grid of boss except that dashing, all the other grids are towards pit;
A plurality of thin slices are stacked according to spacing;
Described a plurality of thin slices after stacked are encapsulated as isolated interior circulation air path and outer circulating air duct, constitute heat exchanger core.
12. method as claimed in claim 11 is characterized in that, described from past interior two boss that successively reduce of ground floor grid, the preceding 1/2 part place up to network comprises:
On the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, dash at this even level grid and to lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, towards lacking two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network at this odd-level grid.
13. method as claimed in claim 11 is characterized in that, described from past interior two boss that successively reduce of ground floor grid, the preceding 1/2 part place up to network comprises:
On the even level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins toward counterclockwise moving a grid, dash at this even level grid and to lack two boss than last layer, on the odd-level from ground floor toward interior order, first grid along the corresponding last layer boss of counter clockwise direction begins, towards lacking two boss than last layer, described odd-level does not comprise ground floor, up to the preceding 1/2 part place of network at this odd-level grid.
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| CN2007101947278A CN101451796B (en) | 2007-11-29 | 2007-11-29 | Heat exchanger, heat exchanger core body and method for manufacturing same |
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| CN2007101947278A CN101451796B (en) | 2007-11-29 | 2007-11-29 | Heat exchanger, heat exchanger core body and method for manufacturing same |
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| CN101451796B true CN101451796B (en) | 2010-08-18 |
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| CN102076202B (en) * | 2009-11-24 | 2015-07-22 | 台达电子工业股份有限公司 | Heat exchange device and closed electrical equipment using same |
| CN101938893A (en) * | 2010-08-26 | 2011-01-05 | 靖江酷尔比特液压换热器有限公司 | Radiator for electrical cabinet |
| CN114700690B (en) * | 2022-03-30 | 2023-01-20 | 大族激光科技产业集团股份有限公司 | Method for machining workpiece with steps |
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| CN2809566Y (en) * | 2005-06-20 | 2006-08-23 | 张延丰 | Corrugated board cluster with straight flow channel to realize medium crossflow |
| JP2006242563A (en) * | 2005-03-04 | 2006-09-14 | Methanol Casale Sa | Manufacturing method of plate-type heat exchanger and related apparatus |
| CN1836473A (en) * | 2004-04-26 | 2006-09-20 | 克奴尔股份公司 | Cooling system for equipment and wiring cabinets and method for cooling equipment and wiring cabinets |
| CN200976724Y (en) * | 2006-12-07 | 2007-11-14 | 深圳市华阳通科技发展有限公司 | Heat converter of communication rack |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836473A (en) * | 2004-04-26 | 2006-09-20 | 克奴尔股份公司 | Cooling system for equipment and wiring cabinets and method for cooling equipment and wiring cabinets |
| JP2006242563A (en) * | 2005-03-04 | 2006-09-14 | Methanol Casale Sa | Manufacturing method of plate-type heat exchanger and related apparatus |
| CN2809566Y (en) * | 2005-06-20 | 2006-08-23 | 张延丰 | Corrugated board cluster with straight flow channel to realize medium crossflow |
| CN200976724Y (en) * | 2006-12-07 | 2007-11-14 | 深圳市华阳通科技发展有限公司 | Heat converter of communication rack |
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Owner name: SHENZHEN HUAWEI ANJIEXIN ELECTRIC CO., LTD. Free format text: FORMER OWNER: HUAWEI TECHNOLOGY CO LTD Effective date: 20120222 |
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Effective date of registration: 20120222 Address after: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee after: Shenzhen Huawei Anjiexin Electrical Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: Huawei Technologies Co., Ltd. |
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