CN103913017A - Heat exchanging device - Google Patents
Heat exchanging device Download PDFInfo
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- CN103913017A CN103913017A CN201410111190.4A CN201410111190A CN103913017A CN 103913017 A CN103913017 A CN 103913017A CN 201410111190 A CN201410111190 A CN 201410111190A CN 103913017 A CN103913017 A CN 103913017A
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Abstract
A heat exchanging device comprises a first heat exchanger, a second exchanger and an air guide member. The upper end of the first heat exchanger is connected tot the upper end of the second exchanger, the lower end of the first heat exchanger is separated from the lower end of the second heat exchanger. The lower end of the first heat exchanger is provided with a refrigerant inlet, and the lower end of the second heat exchanger is provided with a refrigerant outlet. The first heat exchanger and the second heat exchanger are formed by single planar bent heat exchangers or two independent planar heat exchanger. The air guide member is located between the first heat exchanger and the second heat exchanger and is closer to the second heat exchanger as compared with the first heat exchanger. According to a large V-shaped heat exchanger of an embodiment, the air guide member is arranged between the first heat exchanger and the second heat exchanger, distribution of air quantity can be optimized through the air guide member, the distribution of the air quantity matches with changes of heat exchanging parameters of the refrigerant, and heat exchanging capacity is improved.
Description
Technical field
The present invention relates to refrigeration technology field, especially relate to a kind of heat-exchanger rig.
Background technology
Heat-exchanger rig tool has been widely used, for example, be used in air-conditioning.Traditional heat-exchanger rig is generally tabular.But in some application scenario, need to be by heat-exchanger rig bending to heat-exchanger rig be divided into First Heat Exchanger part and the second heat exchanger part (be commonly referred to A needle recuperator, the space between First Heat Exchanger part and the second heat exchanging part is commonly referred to the cavity of heat-exchanger rig) each other in predetermined angular.In use, heat-exchanger rig is placed in casing, and wind upwards flows below heat-exchanger rig, and the cold-producing medium during by the first and second heat exchangers and in heat exchanger tube carries out heat exchange.In order to improve heat exchange property, conventionally in the cavity of A needle recuperator, wind guide component is set, still, still there is improved demand for the raising of heat exchange property in traditional wind guide component.
Summary of the invention
The present invention is based on that present inventor makes the discovery of the following fact and problem: for bendable heat-exchanger rig, wind speed (or air quantity) has significant impact at the heat exchange property of the distribution heat exchanging device on heat-exchanger rig surface.Traditionally, by making wind speed (air quantity) be evenly distributed to improve the exchange capability of heat of heat-exchanger rig on heat-exchanger rig, in the cavity of heat-exchanger rig, wind guide component is set for this reason.But, present inventor finds by a large amount of research and experiment, cold-producing medium is in the coefficient of heat transfer difference of the zones of different of heat-exchanger rig, thereby in the exchange capability of heat difference of zones of different, for example, cold-producing medium flows to refrigerant outlet from the refrigerant inlet of heat-exchanger rig, and temperature can gradually change, thereby causes the coefficient of heat transfer difference of the zones of different of heat-exchanger rig.For the strong region of exchange capability of heat, need more air quantity (, higher wind speed), thereby improve the exchange capability of heat of whole heat-exchanger rig.Thereby traditional wind-guiding encapsulation cannot meet above-mentioned requirements.
For this reason, one object of the present invention is to propose a kind of heat-exchanger rig, and this heat-exchanger rig has improved air quantity and distributed on heat-exchanger rig, has improved exchange capability of heat.
For achieving the above object, embodiments of the invention propose a kind of heat-exchanger rig, described heat-exchanger rig comprises: First Heat Exchanger and the second heat exchanger, the upper end of described First Heat Exchanger is connected with the upper end of described the second heat exchanger, the lower end of the lower end of described First Heat Exchanger and described the second heat exchanger is spaced apart, described First Heat Exchanger becomes predetermined angle theta with the second heat exchanger, wherein θ is greater than 0 degree and is less than 180 degree, the lower end of described First Heat Exchanger is provided with refrigerant inlet, the lower end of described the second heat exchanger is provided with refrigerant outlet, described First Heat Exchanger and the second heat exchanger are by forming single flat plate heat exchanger bending or be made up of two flat plate heat exchangers independent of each other, and wind guide component, described wind guide component more approaches described the second heat exchanger between described First Heat Exchanger and described the second heat exchanger and compared with the described First Heat Exchanger of distance.
According to the cardinal principle inverted V-shaped heat-exchanger rig of the embodiment of the present invention, between First Heat Exchanger and the second heat exchanger, be provided with wind guide component, and wind guide component is compared more contiguous the second heat exchanger of First Heat Exchanger, wind guide component can improve the distribution of air quantity (wind speed) like this, the distribution of air quantity is mated with the variation of cold-producing medium heat exchange parameter, improved exchange capability of heat.
According to one embodiment of present invention, described wind guide component arranges obliquely with respect to horizontal direction.
According to one embodiment of present invention, described wind guide component is positioned at the presumptive area of contiguous described refrigerant outlet, and in horizontal plane, the projection of described wind guide component is positioned at the projection of described the second heat exchanger completely.
According to one embodiment of present invention, described wind guide component is dull and stereotyped, corrugated board or arc.
According to one embodiment of present invention, the lower end of described wind guide component is connected with the lower end of described the second heat exchanger, between the lower end of the lower end of described First Heat Exchanger and described the second heat exchanger, distance is in the horizontal direction L, the length of described wind guide component is L2, angle between described wind guide component and described the second heat exchanger is γ, wherein: 0<L2/L≤1/3; 0 ° of < γ≤90 °-(θ/2).
According to one embodiment of present invention, angle between described wind guide component and horizontal direction is β, between the upper end of described wind guide component and the lower end of described wind guide component, the distance of in the vertical direction is H2, between the lower end of the lower end of described wind guide component and described the second heat exchanger, distance is in the horizontal direction L1, between line between the lower end of the lower end of described First Heat Exchanger and described the second heat exchanger and the lower end of described wind guide component, the distance of in the vertical direction is H1, wherein: 0.2≤(H1+H2)/H<1; 0≤L1/L<0.5; 0 °≤β≤90 °-θ/2.
According to one embodiment of present invention, described wind guide component is V shaped slab, described V shaped slab comprises the first plate limb and the second plate limb, and the lower end of the lower end of described the first plate limb and the second plate limb is connected with each other, and described the second plate limb is than more close described the second heat exchanger of described the first plate limb.
According to one embodiment of present invention, angle between described the first plate limb and described the second plate limb is α, angle between described the first plate limb and horizontal direction is β, between the lower end of the upper end of described the second plate limb and described the second plate limb, the distance of in the vertical direction is H2, between the lower end of the lower end of described the first and second plate limbs and described the second heat exchanger, distance is in the horizontal direction L1, between the lower end of the line between the lower end of the lower end of described First Heat Exchanger and described the second heat exchanger and described the first and second plate limbs, the distance of in the vertical direction is H1, wherein: 0.2≤[H1+H2]/H<1, 0<L1/L<0.5, 0 ° of < alpha+beta≤135 ° and β <90 °.
According to one embodiment of present invention, described the first plate limb tilts with respect to horizontal direction, and described the second plate limb vertically extends or tilts with respect to horizontal direction.
According to one embodiment of present invention, the lower end of described First Heat Exchanger is concordant with the lower end of described the second heat exchanger.
According to one embodiment of present invention, described the first plate limb is arc, and described the second plate limb is dull and stereotyped and vertically extension, and described the first plate limb tilts with respect to horizontal direction and protrudes towards or away from the direction of described the second plate limb; Or described the first plate limb and described the second plate limb are the arc protruding towards described the second heat exchanger or described First Heat Exchanger; Or described the second plate limb is arc, described the first plate limb is made up of the first segmental arc and the second segmental arc, and the protrusion direction of described the first segmental arc and the second segmental arc is contrary.
According to one embodiment of present invention, described the second plate limb is the flat board vertically extending, described the first plate limb comprises the first flat plate section and the second flat plate section, described the second flat plate section is connected with described the second plate limb, described the first flat plate section is towards described the second plate limb bending, angle between described the first flat plate section and described the second flat plate section is δ, wherein 90 °≤δ <180 °.
According to one embodiment of present invention, each in described the first plate limb and described the second plate limb includes the first flat plate section and the second flat plate section, the first flat plate section of described the first plate limb is towards described the second plate limb bending, the first flat plate section of described the second plate limb is towards described the first plate limb bending, and the second flat plate section of described the second plate limb is vertically extended.
According to embodiments of the invention, a kind of heat-exchanger rig is proposed, described heat-exchanger rig comprises: First Heat Exchanger and the second heat exchanger, the upper end of described First Heat Exchanger is connected with the upper end of described the second heat exchanger, the lower end of the lower end of described First Heat Exchanger and described the second heat exchanger is spaced apart, described First Heat Exchanger becomes predetermined angle theta with the second heat exchanger, wherein θ is greater than 0 degree and is less than 180 degree, the lower end of described First Heat Exchanger is provided with refrigerant inlet, and the lower end of described the second heat exchanger is provided with refrigerant outlet; And wind guide component, described wind guide component is between described First Heat Exchanger and described the second heat exchanger, and described wind guide component directs on described the second heat exchanger air quantity in the presumptive area of contiguous described refrigerant outlet and is less than air quantity and the described wind guide component that described wind guide component directs into other region on described the second heat exchanger and directs into the air quantity on described First Heat Exchanger.
According to the cardinal principle inverted V-shaped heat-exchanger rig of the embodiment of the present invention, wind guide component can, by the stronger region of exchange capability of heat of more wind guiding First Heat Exchanger and the second heat exchanger, improve the distribution of air quantity (wind speed), has improved exchange capability of heat.
According to one embodiment of present invention, described First Heat Exchanger is divided into the first top heat exchanging segment and the first bottom heat exchanging segment, described the second heat exchanger is divided into the second top heat exchanging segment and the second bottom heat exchanging segment, and wherein said wind guide component directs into air quantity F1, described wind guide component on described the first bottom heat exchanging segment and directs into air quantity F2, described wind guide component on described the first top heat exchanging segment and direct into air quantity F3 on described the second top heat exchanging segment and be all greater than described wind guide component and direct into the air quantity F4 on described the second bottom heat exchanging segment.
Accompanying drawing explanation
Fig. 1 is according to the schematic diagram of the heat-exchanger rig of the embodiment of the present invention.
Fig. 2 is the schematic diagram of the heat-exchanger rig of the first optional embodiment according to the present invention.
Fig. 3 is the schematic perspective view of the heat-exchanger rig of the first optional embodiment according to the present invention.
Fig. 4 is the flow through curve comparison figure of wind speed of the two kinds of heat-exchanger rigs of wind speed and tradition of flowing through of the heat-exchanger rig of the first optional embodiment according to the present invention.
Fig. 5 is exchange capability of heat and the wind field blast and the tradition exchange capability of heat of two kinds of heat-exchanger rigs and the column comparison diagram of wind field blast of the heat-exchanger rig of the first optional embodiment according to the present invention.
Fig. 6 is the schematic diagram of the heat-exchanger rig of the second optional embodiment according to the present invention.
Fig. 7 is the schematic diagram of the heat-exchanger rig of the 3rd optional embodiment according to the present invention.
Fig. 8 is the schematic diagram of the heat-exchanger rig of the 4th optional embodiment according to the present invention.
Fig. 9 is the schematic diagram of the heat-exchanger rig of the 5th optional embodiment according to the present invention.
Figure 10 is the schematic diagram of the heat-exchanger rig of the 6th optional embodiment according to the present invention.
Figure 11 is the schematic diagram of the heat-exchanger rig of the 7th optional embodiment according to the present invention.
Figure 12 is the schematic diagram of the heat-exchanger rig of the 8th optional embodiment according to the present invention.
Figure 13 is the schematic diagram of the heat-exchanger rig of the 9th optional embodiment according to the present invention.
Figure 14 is the schematic diagram of the heat-exchanger rig of the tenth optional embodiment according to the present invention.
Figure 15 is the schematic diagram of the heat-exchanger rig of the 11 optional embodiment according to the present invention.
Figure 16 is the schematic diagram of the heat-exchanger rig of the 12 optional embodiment according to the present invention.
Reference numeral: heat exchanging segment III in heat exchanging segment II on heat-exchanger rig 1, First Heat Exchanger 100, refrigerant inlet 110, first, first time heat exchanging segment I, the second heat exchanger 200, refrigerant outlet 210, second, second time heat exchanging segment IV, wind guide component 300, the first plate limb 310, the first segmental arc 311, the second segmental arc 312, the first flat plate section 313, the second flat plate section 314, the second plate limb 320.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
Wind speed (air quantity) has remarkable impact at the heat exchange property of the distributing homogeneity heat exchanging device on heat-exchanger rig surface.Traditionally, for the heat-exchanger rig of cardinal principle inverted V-shaped, and in the inside of heat-exchanger rig, wind guide component is set, wind speed is uniformly distributed on heat-exchanger rig.But present inventor finds, because cold-producing medium is in the coefficient of heat transfer difference of the zones of different of heat exchanger, causes the exchange capability of heat difference of the cold-producing medium in heat exchanger zones of different.Therefore, air quantity is uniformly distributed on heat-exchanger rig, can cause region that exchange capability of heat is strong there is no enough air quantity couplings, and the weak region air quantity of exchange capability of heat is too much, affects the exchange capability of heat of heat-exchanger rig.Based on above-mentioned discovery, applicant proposes a kind of heat-exchanger rig, and the exchange capability of heat of this heat-exchanger rig improves.
Describe according to the heat-exchanger rig 1 of the embodiment of the present invention below with reference to Fig. 1-Figure 16.
As shown in Fig. 1-Figure 16, comprise First Heat Exchanger 100, the second heat exchanger 200 and wind guide component 300 according to the heat-exchanger rig 1 of the embodiment of the present invention.
The upper end of First Heat Exchanger 100 is connected with the upper end of the second heat exchanger 200, the lower end of the lower end of First Heat Exchanger 100 and the second heat exchanger 200 is spaced apart on longitudinal X, First Heat Exchanger 100 and the second heat exchanger 200 form predetermined angle theta, wherein 180 ° of 0 < θ <, thus First Heat Exchanger 100 and the second heat exchanger 200 form the heat-exchanger rig 1 of inverted V-shaped substantially.
The inner surface (right lateral surface of First Heat Exchanger 100 in Fig. 1) of First Heat Exchanger 100 and the inner surface (left-hand face of the second heat exchanger 200 in Fig. 1) of the second heat exchanger 200 are toward each other.The lower end that the lower end of First Heat Exchanger 100 is provided with refrigerant inlet 110, the second heat exchangers 200 is provided with refrigerant outlet 210.First Heat Exchanger 100 and the second heat exchanger 200 and can be called the inner chamber of heat-exchanger rig with the space that the plane of the lower end by First Heat Exchanger 100 and the second heat exchanger 200 limits.
First Heat Exchanger 100 and the second heat exchanger 200 can, by single flat plate heat exchanger bending is formed, also can be formed by connecting by two flat plate heat exchangers independent of each other.
In the time that First Heat Exchanger 100 and the second heat exchanger 200 are two flat plate heat exchangers independent of each other, the upper end of First Heat Exchanger 100 is connected with the upper end of the second heat exchanger 200, here be connected and should make broad understanding, as long as the upper end of First Heat Exchanger 100 and the second heat exchanger 200 is close to and communicates with each other and form inverted V-shaped heat-exchanger rig substantially.For example, the upper end of First Heat Exchanger 100 can directly be connected or be connected by connector with the upper end of the second heat exchanger 200, and for another example, the upper end of the upper end of First Heat Exchanger 100 and the second heat exchanger 200 can share a header.
Wind guide component 300 between First Heat Exchanger 100 and the second heat exchanger 200 and with compared with First Heat Exchanger 100, more approach the second heat exchanger 200.In other words, wind guide component 300 can be arranged between the inner surface of First Heat Exchanger 100 and the inner surface of the second heat exchanger 200 (being located in the inner chamber of heat-exchanger rig 1), and wind guide component 300 inner surface relative and First Heat Exchanger 100 is close to the inner surface of the second heat exchanger 200 more.In order to understand better, for example, by heat-exchanger rig 1 Open Side Down ground arrange, in horizontal plane, the overlapping region of projection of the projection of wind guide component 300 and the second heat exchanger 200, is greater than the overlapping region of the projection of wind guide component 300 and the projection of First Heat Exchanger 100.
Wind guide component 300 is set as described above, can regulate the distribution of air quantity on First Heat Exchanger 100 and the second heat exchanger 200, the air quantity and the wind speed that arrive the region that the coefficient of heat transfer of heat-exchanger rig is large are large, the air quantity and the wind speed that arrive the region that the coefficient of heat transfer of heat-exchanger rig is little are little, thereby improve the exchange capability of heat of heat-exchanger rig, improve heat exchange efficiency.In other words, the exchange capability of heat of air quantity and cold-producing medium is matched, make wind more pass through quickly the strong region of exchange capability of heat, wind still less passes through the weak region of exchange capability of heat more slowly, thereby can significantly improve the exchange capability of heat of heat-exchanger rig 1.
Fig. 4 shows by change the curve comparison figure changing with the wind speed by two kinds of traditional heat-exchanger rigs according to the wind speed of the heat-exchanger rig 1 of the embodiment of the present invention, wherein two kinds of traditional heat-exchanger rigs, for a heat-exchanger rig for wind guide component is not set, another kind is the symmetrically arranged heat-exchanger rig of wind guide component.As can be seen from Figure 4, the heat-exchanger rig of wind guide component is not set, heat-exchanger rig middle part (top of the inner chamber of inverted V-shaped heat-exchanger rig) wind speed maximum.Be symmetrical arranged the heat-exchanger rig of wind guide component, the two ends place wind speed of heat-exchanger rig is less, and middle part wind speed evenly and larger.According to the heat-exchanger rig 1 of the embodiment of the present invention, wind guide component 300 departs from center and arranges near the second heat exchanger 200, along in the direction from refrigerant inlet to refrigerant outlet, the upstream region of heat-exchanger rig (near the region of refrigerant inlet 110) wind speed evenly and larger, the wind speed of downstream area (near the region of refrigerant outlet 210) is less, wind speed can mate with the exchange capability of heat of the regional of First Heat Exchanger 100 and the second heat exchanger 200 thus, has improved the overall heat exchange ability of heat-exchanger rig 1.
Fig. 5 shows according to the column comparison diagram of the exchange capability of heat of the heat-exchanger rig 1 of the embodiment of the present invention and two kind of traditional heat-exchanger rig and wind field blast.Wherein two kinds of traditional heat-exchanger rigs, a kind of for the heat-exchanger rig of wind guide component is not set, another kind is the symmetrically arranged heat-exchanger rig of wind guide component.As can be seen from Figure 5, according to the heat-exchanger rig 1 of the embodiment of the present invention, depart from center, near the second heat exchanger 200, wind guide component 300 is set, can make the main heat exchange region of heat-exchanger rig fully carry out heat exchange, improved significantly the exchange capability of heat Q of heat-exchanger rig 1.Meanwhile, place wind guide component 300 in the off-centered position of heat-exchanger rig, the perturbation action that air-flow is produced is less than the wind guide component of traditional heat-exchanger rig to the disturbance of air-flow, and the wind field pressure drop Δ P therefore producing is less.
Be understandably, can form substantially inverted V-shaped shape by First Heat Exchanger 100 and the second heat exchanger 200 according to the heat-exchanger rig 1 of the embodiment of the present invention, can also be by the repeatedly bending and form other shapes that comprise inverted V-shaped shape of multiple flat plate heat exchangers or flat plate heat exchanger.For example, according to the heat-exchanger rig 1 of the embodiment of the present invention can by 3 flat plate heat exchangers be connected or twice bending of a flat plate heat exchanger to form substantially N shape, again for example, heat-exchanger rig 1 can by 4 flat plate heat exchangers be connected or three bendings of a flat plate heat exchanger to form substantially M or W shape.
In some embodiments of the invention, the lower end of First Heat Exchanger 100 is concordant with the lower end of the second heat exchanger 200.For example, First Heat Exchanger 100 and the second heat exchanger 200 can be with respect to the equidistant point symmetries between First Heat Exchanger 100 and the second heat exchanger 200.
In some embodiments of the invention, wind guide component 300 can be arranged in the presumptive area of contiguous refrigerant outlet 210.For example, in horizontal plane, the projection of wind guide component 300 can be positioned at the projection of the second heat exchanger 200 completely.That is to say, take the angular bisector of the angle theta between First Heat Exchanger 100 and the second heat exchanger 200 as line of demarcation, wind guide component 300 can be located at a side of contiguous the second heat exchanger 200 of this angular bisector.Can utilize like this wind guide component 300 to stop the air quantity at refrigerant outlet 210 places, air quantity is blowed more to other region.
Describe according to the heat-exchanger rig 1 of the specific embodiment of the invention below with reference to accompanying drawing.
In the description of embodiment below, for convenience of description, First Heat Exchanger 100 is divided into two sections, and wherein contiguous refrigerant inlet 110 is first time heat exchanging segment I, and other one section is heat exchanging segment II on first.Similarly, the second heat exchanger 200 is divided into two sections, and wherein contiguous refrigerant outlet 210 is second time heat exchanging segment IV, and other one section be heat exchanging segment III on second.
As shown in Figure 1, according to the present invention, the heat-exchanger rig 1 of this embodiment comprises First Heat Exchanger 100, the second heat exchanger 200 and wind guide component 300, and wind guide component 300 is dull and stereotyped, and arranges obliquely with respect to horizontal direction.First Heat Exchanger 100 and the second heat exchanger 200 are formed by a flat plate heat exchanger bending, and the lower end that the lower end of First Heat Exchanger 100 is provided with refrigerant inlet 110, the second heat exchangers 200 is provided with refrigerant outlet 210.
As shown in Figure 1, angle between wind guide component 300 and horizontal direction is β, between the lower end of the upper end of wind guide component 300 and wind guide component 300, the distance of in the vertical direction is H2, the lower end of the lower end of wind guide component 300 and the second heat exchanger 200 distance is in the horizontal direction L1, the distance of the lower end in the vertical direction of the line between the lower end of the lower end of First Heat Exchanger 100 and the second heat exchanger 200 and wind guide component 300 is H1, wherein, 0.2≤(H1+H2)/H<1, 0≤L1/L<0.5, 0 °≤β≤90 °-θ/2.
As shown in Figure 7, alternatively, wind guide component 300 is corrugated board, and the cross section of wind guide component 300 is made up of multistage arc.Wind guide component 300 is inclined between First Heat Exchanger 100 and the second heat exchanger 200 and more contiguous the second heat exchanger 200, i.e. more contiguous the second heat exchanger 200 in the upper end of the relative wind guide component 300 in the lower end of wind guide component 300.Wind guide component 300 adopts corrugated board, can repeatedly guide air-flow to blow to First Heat Exchanger 100.
As shown in Figure 8, in an optional example, wind guide component 300 is arc, and contiguous the second heat exchanger 200 arranges obliquely, and the middle part of wind guide component 300 can be protruded towards First Heat Exchanger 100.In this embodiment, the front face area of arc wind guide component 300 is little again, can reduce thus the wind field pressure drop producing.
As shown in Figure 6, in another concrete enforcement of the present invention, wind guide component 300 can be the flat board being obliquely installed, and is connected with the lower end of the second heat exchanger 200.Particularly, the lower end of wind guide component 300 can be connected on the header that forms refrigerant outlet 210.Between the lower end of the lower end of First Heat Exchanger 100 and the second heat exchanger 200, distance is in the horizontal direction L, the length of wind guide component 300 is L2, angle between wind guide component 300 and the second heat exchanger 200 is γ, wherein, 0<L2/L≤1/3,0 ° of < γ≤90 °-(θ/2).
In this example, because wind guide component 300 is connected with the second heat exchanger 200 at refrigerant outlet 210 places, can reduce the wind field pressure drop producing.In addition, at the common comparatively dense of fin in second time heat exchanging segment IV region, the condensed water forming on the fin in this region is more, and wind guide component 300 is arranged on this region can stop that condensing drip falls in airduct.
In specific embodiments more of the present invention, wind guide component 300 can be also V shaped slab, as shown in Fig. 2 and Fig. 9-Figure 16, flat plate heat exchanger bending forms First Heat Exchanger 100 and the second heat exchanger 200, angle between First Heat Exchanger 100 and the second heat exchanger 200 is acute angle, the lower end of First Heat Exchanger 100 is provided with refrigerant inlet 110, the lower end of the second heat exchanger 200 is provided with refrigerant outlet 210, and wind guide component 300 is arranged between First Heat Exchanger 100 and the second heat exchanger 200 and contiguous the second heat exchanger 200.
Wind guide component 300 comprises that the first plate limb 310 and second lower end of plate limb 320, the first plate limbs 310 and the lower end of the second plate limb 320 are connected with each other, and V shaped slab is opening up, more close the second heat exchanger 200 of the second plate limb 320 to the first plate limbs 310.Thus, air quantity can be divided into two strands of air-flows by the bottom of V shaped slab, upwards flows respectively along the both sides of V shaped slab.
Angle between the first plate limb 310 and the second plate limb 320 is α, angle between the first plate limb 310 and horizontal direction is β, between the lower end of the upper end of the second plate limb 320 and the second plate limb 320, the distance of in the vertical direction is H2, between the lower end of the first plate limb 310 and the second plate limb 320 and the lower end of the second heat exchanger 200, distance is in the horizontal direction L1, and between the line between the lower end of First Heat Exchanger 100 and the lower end of the second heat exchanger 200 and the first plate limb 310 and the lower end of the second plate limb 320, the distance of in the vertical direction is H1.Wherein, 0.2≤[H1+H2]/H<1,0<L1/L<0.5,0 ° of < alpha+beta≤135 ° and β <90 °.
As shown in Figure 2, wind guide component 300 can be formed by a dull and stereotyped bending, also can be formed by connecting by two independent dull and stereotyped lower ends, and the first plate limb 310 and the second plate limb 320 are flat board, the second plate limb 320 vertically extends, and the first plate limb 310 tilts with respect to horizontal direction.Particularly, the first plate limb 310 can upwards and to First Heat Exchanger 100 extend from the lower end of the second plate limb 320.As shown in Figure 2, can blow to heat exchanging segment II on first heat exchanging segment I and first from the wind of wind guide component 300 left side processes, and can blow to heat exchanging segment III second from the wind of wind guide component 300 right side processes.
In another embodiment of the present invention, as shown in Figure 9, wind guide component 300 is formed by a dull and stereotyped bending, and the first plate limb 310 and the second plate limb 320 are flat board and all tilt with respect to horizontal direction.For example, be as the criterion with the left and right directions in Fig. 9, the upper end that the second plate limb 320 is compared in the lower end of the second plate limb 320 is tilted to the right, and the first plate limb 310 extends left and upwards from the lower end of the second plate limb 320.Air quantity is under the guiding of wind guide component 300 like this, can more intensively blow in first time heat exchanging segment I, first three regions of heat exchanging segment III in heat exchanging segment II and second, is beneficial to the exchange capability of heat that improves heat-exchanger rig 1.
In some embodiments of the invention, the first plate limb 310 and the second plate limb 320 also can adopt arc.For example, as shown in figure 10, the first plate limb 310 is arc, and the second plate limb 320 is dull and stereotyped and vertically extension, and the first plate limb 310 tilts with respect to horizontal direction and protrudes towards the direction of the second plate limb 320.Wind guide component 300 is by heat exchanging segment II and second in first time heat exchanging segment I of air flow guide, first when heat exchanging segment III, and in these three regions, air quantity can concentrate on first time heat exchanging segment I that exchange capability of heat is the strongest more.
Certainly, the first plate limb 310 also can protrude towards the direction of First Heat Exchanger 100, as shown in figure 11, the wind guide component 300 heat exchanging segment III in heat exchanging segment II and second that wind can be led on the one hand in first time heat exchanging segment I, first, first arcuate structure of plate limb 310 and the streamline of air-flow approach on the other hand, and the wind field pressure drop therefore producing is less.
The first plate limb 310 and the second plate limb 320 also can all adopt arc, as shown in figure 12, the first plate limb 310 and the second plate limb 320 all protrude towards the direction of the second heat exchanger 200, the first plate limb 310 can guide air-flow to blow to heat exchanging segment I first time, and second structure of plate limb 320 and the streamline of air-flow approach, can make wind field produce less wind field pressure drop.
As shown in figure 13, the first plate limb 310 and the second plate limb 320 also can all protrude towards the direction of First Heat Exchanger 100, the second plate limb 320 heat exchanging segment III on second that air-flow can be led, and the first plate limb 310 heat exchanging segment II on first time heat exchanging segment I and first that air-flow can be led, and the wind field pressure drop producing is less.
In the first plate limb 310 and the second plate limb 320 one can adopt arc and another can adopt the arc being made up of multistage arc.For example, as shown in figure 14, the second plate limb 320 can be arc, and the first plate limb 310 can be made up of the first segmental arc 311 and the second segmental arc 312, and the protrusion direction of the first segmental arc 311 and the second segmental arc 312 is contrary.Particularly, protrude towards the second heat exchanger 200 at the middle part of the second plate limb 320, the lower end of the second segmental arc 312 is connected with the lower end of the second plate limb 320, and the second segmental arc 312 protrudes towards the second plate limb 320, the lower end of the first segmental arc 311 is connected and curve transition with the upper end of the second segmental arc 312, and the second segmental arc 312 protrudes towards First Heat Exchanger 100.
In specific embodiments more of the present invention, as shown in Figure 15 and Figure 16, heat-exchanger rig 1 comprises First Heat Exchanger 100, the second heat exchanger 200 and wind guide component 300, First Heat Exchanger 100 and the second heat exchanger 200 by flat plate heat exchanger bending to form downward opening inverted V-shaped shape, the lower end of First Heat Exchanger 100 is provided with refrigerant inlet 110, the lower end of the second heat exchanger 200 is provided with refrigerant outlet 210, wind guide component 300 is located between First Heat Exchanger 100 and the second heat exchanger 200 and more contiguous the second heat exchanger 200, the first plate limb 310 and the second plate limb 320 that wind guide component 300 is connected by lower end form.
As shown in figure 15, the second plate limb 320 is the flat board vertically extending, the first plate limb 310 comprises the first flat plate section 313 and the second flat plate section 314, the lower end of the second flat plate section 314 is connected with the lower end of the second plate limb 320, the lower end of the first flat plate section 313 is connected with the upper end of the second flat plate section 314 and bends towards the second plate limb 320, angle between the first flat plate section 313 and the second flat plate section 314 is δ, 90 °≤δ <180 °.
Alternatively, the first plate limb 310 and the second plate limb 320 also can be the flat board of bending.For example, as shown in figure 16, each in the first plate limb 310 and the second plate limb 320 includes the first flat plate section 313 and the second flat plate section 314, the first flat plate section 313 of the second plate limb 320 is vertically extended, the first flat plate section 313 of the second plate limb 320 upwards and towards the first plate limb 310 bends from the second flat plate section 314 of the second plate limb 320, the second flat plate section 314 of the first plate limb 310 upwards and towards First Heat Exchanger 100 is extended from the second flat plate section 314 of the second plate limb 320, the first flat plate section 313 of the first plate limb 310 from the second flat plate section 314 of the first plate limb 310 upwards and towards the second plate limb 320 bendings.In other words, the relative bending of the first flat plate section 313 of the first flat plate section 313 of the first plate limb 310 and the second plate limb 320.
Below with reference to Fig. 1-Figure 16, heat-exchanger rig 1 is according to another embodiment of the present invention described.
As shown in Fig. 1-Figure 16, comprise First Heat Exchanger 100, the second heat exchanger 200 and wind guide component 300 according to the heat-exchanger rig 1 of the embodiment of the present invention.
The upper end of First Heat Exchanger 100 is connected with the upper end of the second heat exchanger 200, the lower end of the lower end of First Heat Exchanger 100 and the second heat exchanger 200 is spaced apart on longitudinal X, First Heat Exchanger 100 and the second heat exchanger 200 form predetermined angle theta, wherein 180 ° of 0 < θ <, thus First Heat Exchanger 100 and the second heat exchanger 200 form the heat-exchanger rig 1 of inverted V-shaped substantially.
The inner surface (right lateral surface of First Heat Exchanger 100 in Fig. 1) of First Heat Exchanger 100 and the inner surface (left-hand face of the second heat exchanger 200 in Fig. 1) of the second heat exchanger 200 are toward each other.The lower end that the lower end of First Heat Exchanger 100 is provided with refrigerant inlet 110, the second heat exchangers 200 is provided with refrigerant outlet 210.First Heat Exchanger 100 and the second heat exchanger 200 and can be called the inner chamber of heat-exchanger rig with the space that the plane of the lower end by First Heat Exchanger 100 and the second heat exchanger 200 limits.
Wind guide component 300 is between First Heat Exchanger 100 and the second heat exchanger 200, and wind guide component 300 directs on the second heat exchanger 200 air quantity in the presumptive area of contiguous refrigerant outlet 210 and is less than air quantity and the wind guide component 300 that wind guide component 300 directs into other region on the second heat exchanger 200 and directs into the air quantity on First Heat Exchanger 100.In other words, wind guide component 300 can be by the flow direction of guiding wind to improve the distribution of air quantity on First Heat Exchanger 100 and the second heat exchanger 200 regionals.Particularly, wind is after wind guide component 300 guidings, air quantity on the second heat exchanger 200 in the presumptive area of contiguous refrigerant outlet 210 is less than the air quantity in other region on the second heat exchanger 200, and on the second heat exchanger 200, the air quantity in the presumptive area of contiguous refrigerant outlet 210 is less than the air quantity on First Heat Exchanger 100.
Because cold-producing medium flows to refrigerant outlet 210 from refrigerant inlet 110 through First Heat Exchangers 100 and the second heat exchanger 200, temperature can gradually change, thus be positioned at refrigerant outlet 210 places cold-producing medium exchange capability of heat relatively a little less than.By wind guide component 300 is set, utilize wind guide component 300 to improve the distribution of air quantity on First Heat Exchanger 100 and the second heat exchanger 200, make the air quantity at refrigerant outlet 210 places on the second heat exchanger 200 be less than the air quantity on air quantity and the First Heat Exchanger 100 in other region on the second heat exchanger 200, can make thus the exchange capability of heat of air quantity and cold-producing medium match, improve the exchange capability of heat of heat-exchanger rig 1.
In a specific embodiment of the present invention, as shown in Figure 1, the flat board of wind guide component 300 for arranging obliquely with respect to horizontal direction, and wind guide component 300 is with respect to more close the second heat exchanger 200 of First Heat Exchanger 100.
Wind guide component 300 directs into first time air quantity F1, wind guide component 300 in heat exchanging segment I and directs on first the air quantity F2 in heat exchanging segment II, wind guide component 300 and direct on second the air quantity F3 in heat exchanging segment III and be all greater than wind guide component 300 and direct into the air quantity F4 in heat exchanging segment IV second time, and on the air quantity F1, first at first time heat exchanging segment I place, on the air quantity F2, second at heat exchanging segment II place, the air quantity F3 at heat exchanging segment III place is all greater than the air quantity F4 at second time heat exchanging segment IV place.Because cold-producing medium is all greater than the exchange capability of heat of cold-producing medium second time heat exchanging segment IV at the exchange capability of heat of first time heat exchanging segment I, the exchange capability of heat of cold-producing medium heat exchanging segment II on first, the exchange capability of heat of cold-producing medium heat exchanging segment III on second, three stronger regions of exchange capability of heat of heat exchanging segment III in heat exchanging segment II and second in the first time heat exchanging segment I, first that air quantity can be led as far as possible like this, are conducive to improve the exchange capability of heat of heat-exchanger rig 1.
According to embodiments of the invention, place wind guide component 300 in inverted V-shaped heat-exchanger rig internal deviation center and near refrigerant outlet 210 regions, guiding blows to the air-flow of inverted V-shaped heat-exchanger rig, makes in first time heat exchanging segment I, first heat exchanging segment III in heat exchanging segment II and second obtain larger wind speed.
According to the cardinal principle inverted V-shaped heat-exchanger rig 1 of the embodiment of the present invention, between First Heat Exchanger 100 and the second heat exchanger 200, be provided with the wind guide component 300 that departs from center (for example departing from the equidistant point between First Heat Exchanger 100 and the second heat exchanger 200) setting, the wind guide component 300 stronger region of exchange capability of heat on First Heat Exchanger 100 and the second heat exchanger 200 of wind can being led, improve the distribution of air quantity, the distribution of air quantity is mated with the variation of cold-producing medium heat exchange parameter, improved exchange capability of heat.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of indications such as " circumferentially " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, First Characteristic Second Characteristic " on ", " top " and " above " but First Characteristic directly over Second Characteristic or oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " can be First Characteristic under Second Characteristic or tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, specific features, structure, material or the feature of description can one or more embodiment in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiment that describe in this description or example and different embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, modification, replacement and modification.
Claims (15)
1. a heat-exchanger rig, is characterized in that, comprising:
First Heat Exchanger and the second heat exchanger, the upper end of described First Heat Exchanger is connected with the upper end of described the second heat exchanger, the lower end of the lower end of described First Heat Exchanger and described the second heat exchanger is spaced apart, described First Heat Exchanger becomes predetermined angle theta with the second heat exchanger, wherein θ is greater than 0 degree and is less than 180 degree, the lower end of described First Heat Exchanger is provided with refrigerant inlet, the lower end of described the second heat exchanger is provided with refrigerant outlet, and described First Heat Exchanger and the second heat exchanger are by forming single flat plate heat exchanger bending or be made up of two flat plate heat exchangers independent of each other; With
Wind guide component, described wind guide component more approaches described the second heat exchanger between described First Heat Exchanger and described the second heat exchanger and compared with the described First Heat Exchanger of distance.
2. heat-exchanger rig according to claim 1, is characterized in that, described wind guide component arranges obliquely with respect to horizontal direction.
3. heat-exchanger rig according to claim 1 and 2, is characterized in that, described wind guide component is positioned at the presumptive area of contiguous described refrigerant outlet, and in horizontal plane, the projection of described wind guide component is positioned at the projection of described the second heat exchanger completely.
4. according to the heat-exchanger rig described in any one in claim 1-3, it is characterized in that, described wind guide component is flat board, corrugated board or arc.
5. heat-exchanger rig according to claim 4, it is characterized in that, the lower end of described wind guide component is connected with the lower end of described the second heat exchanger, between the lower end of the lower end of described First Heat Exchanger and described the second heat exchanger, distance is in the horizontal direction L, the length of described wind guide component is L2, angle between described wind guide component and described the second heat exchanger is γ, wherein:
0<L2/L≤1/3；
0°<γ≤90°-（θ/2）。
6. heat-exchanger rig according to claim 4, it is characterized in that, angle between described wind guide component and horizontal direction is β, between the upper end of described wind guide component and the lower end of described wind guide component, the distance of in the vertical direction is H2, between the lower end of the lower end of described wind guide component and described the second heat exchanger, distance is in the horizontal direction L1, between line between the lower end of the lower end of described First Heat Exchanger and described the second heat exchanger and the lower end of described wind guide component, the distance of in the vertical direction is H1, wherein:
0.2≤（H1+H2）/H<1；
0≤L1/L<0.5；
0°≤β≤90°-θ/2。
7. according to the heat-exchanger rig described in any one in claim 1-3, it is characterized in that, described wind guide component is V shaped slab, described V shaped slab comprises the first plate limb and the second plate limb, the lower end of the lower end of described the first plate limb and the second plate limb is connected with each other, and described the second plate limb is than more close described the second heat exchanger of described the first plate limb.
8. heat-exchanger rig according to claim 7, it is characterized in that, angle between described the first plate limb and described the second plate limb is α, angle between described the first plate limb and horizontal direction is β, between the lower end of the upper end of described the second plate limb and described the second plate limb, the distance of in the vertical direction is H2, between the lower end of the lower end of described the first and second plate limbs and described the second heat exchanger, distance is in the horizontal direction L1, between the lower end of the line between the lower end of the lower end of described First Heat Exchanger and described the second heat exchanger and described the first and second plate limbs, the distance of in the vertical direction is H1, wherein:
0.2≤[H1+H2]/H<1；
0<L1/L<0.5；
0 ° of < alpha+beta≤135 ° and β <90 °.
9. heat-exchanger rig according to claim 8, is characterized in that, described the first plate limb tilts with respect to horizontal direction, and described the second plate limb vertically extends or tilts with respect to horizontal direction.
10. according to the heat-exchanger rig described in any one in claim 5,6 and 8, it is characterized in that, the lower end of described First Heat Exchanger is concordant with the lower end of described the second heat exchanger.
11. according to the heat-exchanger rig described in claim 7 or 8, it is characterized in that, described the first plate limb is arc, and described the second plate limb is dull and stereotyped and vertically extension, and described the first plate limb tilts with respect to horizontal direction and protrudes towards or away from the direction of described the second plate limb; Or described the first plate limb and described the second plate limb are the arc protruding towards described the second heat exchanger or described First Heat Exchanger; Or described the second plate limb is arc, described the first plate limb is made up of the first segmental arc and the second segmental arc, and the protrusion direction of described the first segmental arc and the second segmental arc is contrary.
12. according to the heat-exchanger rig described in claim 7 or 8, it is characterized in that, described the second plate limb is the flat board vertically extending, described the first plate limb comprises the first flat plate section and the second flat plate section, described the second flat plate section is connected with described the second plate limb, described the first flat plate section is towards described the second plate limb bending, and the angle between described the first flat plate section and described the second flat plate section is δ, wherein: 90 °≤δ <180 °.
13. according to the heat-exchanger rig described in claim 7 or 8, it is characterized in that, each in described the first plate limb and described the second plate limb includes the first flat plate section and the second flat plate section, the first flat plate section of described the first plate limb is towards described the second plate limb bending, the first flat plate section of described the second plate limb is towards described the first plate limb bending, and the second flat plate section of described the second plate limb is vertically extended.
14. 1 kinds of heat-exchanger rigs, is characterized in that, comprising:
First Heat Exchanger and the second heat exchanger, the upper end of described First Heat Exchanger is connected with the upper end of described the second heat exchanger, the lower end of the lower end of described First Heat Exchanger and described the second heat exchanger is spaced apart, described First Heat Exchanger becomes predetermined angle theta with the second heat exchanger, wherein θ is greater than 0 degree and is less than 180 degree, the lower end of described First Heat Exchanger is provided with refrigerant inlet, and the lower end of described the second heat exchanger is provided with refrigerant outlet; With
Wind guide component, described wind guide component is between described First Heat Exchanger and described the second heat exchanger, and described wind guide component directs on described the second heat exchanger air quantity in the presumptive area of contiguous described refrigerant outlet and is less than air quantity and the described wind guide component that described wind guide component directs into other region on described the second heat exchanger and directs into the air quantity on described First Heat Exchanger.
15. heat-exchanger rigs according to claim 14, it is characterized in that, described First Heat Exchanger is divided into the first top heat exchanging segment and the first bottom heat exchanging segment, described the second heat exchanger is divided into the second top heat exchanging segment and the second bottom heat exchanging segment, and wherein said wind guide component directs into air quantity F1, described wind guide component on described the first bottom heat exchanging segment and directs into air quantity F2, described wind guide component on described the first top heat exchanging segment and direct into air quantity F3 on described the second top heat exchanging segment and be all greater than described wind guide component and direct into the air quantity F4 on described the second bottom heat exchanging segment.
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| CN201410111190.4A CN103913017B (en) | 2014-03-24 | 2014-03-24 | Heat-exchanger rig |
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| CN107676906A (en) * | 2017-11-25 | 2018-02-09 | 郭祥 | X heat exchange type machine room water-cooling unit air-conditioner units |
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| CN103913017B (en) | 2016-11-09 |
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Effective date of registration: 20221229 Address after: 310000 Floor 2, No. 289-1, No. 12 Avenue, Baiyang Street, Qiantang District, Hangzhou, Zhejiang Patentee after: Sanhua New Energy Thermal Management Technology (Hangzhou) Co.,Ltd. Address before: No.289, No.12 street, Hangzhou Economic and Technological Development Zone, Hangzhou City, Zhejiang Province, 310018 Patentee before: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. |
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