Air heat-exchanging device
Technical field
The relevant heat-exchanger rig of the utility model, especially relevant a kind of air heat-exchanging device.
Background technology
Various occasions such as communication base station room and various other machine rooms, office building, hotel, cinema, house are all used air-conditioning equipment and are regulated air themperature, have brought huge energy pressure.Reduce energy resource consumption that air-conditioning equipment brought and become the problem that air-conditioning equipment producer and user face jointly.
In the air-conditioning equipment running, the working link that topmost energy resource consumption occurs in refrigeration or heats.Avoid as much as possible using refrigeration or heat-production functions, just become the key that air-conditioning equipment reduces energy resource consumption.Extensively with adopting air heat-exchanging device, utilize indoor and outdoor surroundings to have the natural energy that enriches of the big temperature difference at present, make outdoor air and room air carry out heat exchange, can effectively reduce the use of air-conditioning equipment, effectively cut down the consumption of energy refrigeration or heat-production functions.Can expect that air heat-exchanging device also can not depend on air-conditioning equipment and use separately, can carry out to a certain degree adjusting indoor temperature.
As shown in Figure 1, the isolated counter-flow air heat exchanger of a kind of intelligence of utility model patent document illustration of application number 200820108865.X is provided with current divider 4, heat exchange core body 1 and following current divider 5 on middle body frame 100.Last current divider 4, heat exchange core body 1 and following current divider 5 are connected and constitute the first gas channel AB and the second gas channel CD.The air outlet of the left surface of last current divider 4 is communicated with blower fan 40, and the air outlet of the right flank of following current divider 5 is connected with blower fan 50.Exist two bursts of air-flow reverse flows of the temperature difference can carry out heat exchange through heat exchange core body 1, two strands of air-flows all turned to 180 degree after heat exchange was finished.
The blower fan 40,50 of this air heat exchanger is located at the left surface of current divider 4 and the right flank of following current divider 5 respectively, protrude from the side of heat exchange core body 1, taken heat exchange core body 1 floor projection plane space in addition, floor space is big, be unfavorable for the miniaturization of machine volume, also be unfavorable for forming all-in-one with air-conditioning equipment with refrigerant.
In addition, the blower fan 40,50 of Cai Yonging is an axial fan here, and blast is little, and deficiency in draught influences heat exchange efficiency.
The utility model content
Technical problem to be solved in the utility model provides a kind of air heat-exchanging device, and its blower fan does not take the floor projection space of equipment, helps the miniaturization of machine volume, also is convenient to constitute all-in-one with the refrigerant type indoor machine of air conditioning unit is arranged.
A kind of air heat-exchanging device that the utility model provides, comprise current divider, heat exchange core body and following current divider, be communicated with a blower fan respectively on current divider and the following current divider on described, described two blower fans are located at the top of current divider and the below of following current divider respectively.
In the utility model, described two blower fans are centrifugal fan, and the floor projection of described two blower fans drops in the floor projection scope of heat exchange core body.
In the utility model, describedly go up current divider, heat exchange core body, current divider has respectively and is arranged alternately and corresponding first gas channel and second gas channel down, one of them blower fan is connected with first gas channel of last current divider, heat exchange core body, following current divider and constitutes first air channel, another blower fan is connected with second gas channel of following current divider, heat exchange core body, last current divider and constitutes second air channel, and described first air channel and second air channel all are turns through 180 degree.
In the utility model, the air inlet of described upward first gas channel of current divider is in the left side, and the gas outlet is in the lower end, and first gas channel of last current divider is 90 degree turning paths; The air inlet of second gas channel is in the lower end, and the gas outlet is in the upper end, and second gas channel of last current divider is up and down vertically path.
In the utility model, the air inlet of first gas channel of described heat exchange core body is in the upper end, and the gas outlet is in the lower end; The air inlet of second gas channel is in the lower end, and the gas outlet is in the upper end; First gas channel of heat exchange core body and second gas channel all are up and down vertically path.
In the utility model, the air inlet of described first gas channel of current divider down is in the upper end, and the gas outlet is in the lower end, and first gas channel of following current divider is up and down vertically path; The air inlet of second gas channel of following current divider is on the right side, and the gas outlet is in the upper end, and second gas channel of following current divider is 90 degree turning paths.
In the utility model, described heat exchange core body comprises a plurality of heat exchanger fins of stacked on top of one another, each heat exchanger fin is spliced along being parallel to length direction mutually by a plurality of heat exchange bars, described each heat exchange bar is connected in series mutually by the sub-bar of the heat exchange more than two sections and forms, and the sub-bar of each heat exchange comprises main muscle and is located at a plurality of fins of main muscle both sides.
In the utility model, the end of the fin that keeps at a certain distance away along main muscle length direction in a plurality of fins of the sub-bar of described each heat exchange is extended with the butt joint boss, and the butt joint boss of the corresponding fin of the adjacent sub-bar of heat exchange connects.
In the utility model, the described current divider of going up comprises a plurality of separator units that are connected with group respectively with following current divider, and described each separator unit forms by high molecular polymer is integrally moulded.
In the utility model, described preceding frame that current divider and following current divider also comprise fastening described a plurality of separator units respectively, two side frames and the back plate gone up, described back plate is provided with a plurality of slots, and each separator unit sheet is plugged in the slot of correspondence.
According to such scheme, this effect with respect to existing structure is significant: air heat-exchanging device of the present utility model, its blower fan is located at the top of current divider and the below of following current divider respectively, adopt centrifugal blower air-flow can be changed 90 directions, help the major part of two blower fans is controlled in the floor projection scope of heat exchange core body, blower fan does not take the floor projection space beyond the heat exchange core body, help whole volume miniaturization, and be convenient to and have the refrigerant type indoor machine of air conditioning unit to constitute all-in-one, be suitable for the installation requirement in multiple different commercial Application place.Constitute relative unobstructed and short path and go up current divider, heat exchange core body and following current divider, directly extracted out by centrifugal blower afterwards, windage is minimum in the air current flow process, and heat exchange efficiency improves.In addition, the big air quantity foot of centrifugal fan blast can improve heat exchange efficiency.
Description of drawings
Fig. 1 is the schematic diagram of existing air heat exchanger.
Fig. 2 is the principle schematic of air heat-exchanging device of the present utility model.
Fig. 3 is the schematic diagram of the heat exchanger fin of heat exchange core body of the present utility model.
Fig. 4 is the stereogram of current divider of the present utility model.
Fig. 5 is the front view of current divider of the present utility model.
Fig. 6 is the side view of the separator unit of the utility model current divider.
Fig. 7 is the upward view of the separator unit of the utility model current divider.
Fig. 8 is the front view of the back plate of the utility model current divider.
The specific embodiment
As shown in Figure 2, the utility model provides a kind of air heat-exchanging device, comprise current divider 4, heat exchange core body 1 and following current divider 5, be communicated with a blower fan 40 respectively on current divider 4 and the following current divider 5 on described, 50, improvements of the present utility model are: two blower fans 40,50 are located at the top of current divider 4 and the below of following current divider 5 respectively, thereby can make two blower fans 40,50 floor projection major part drops on current divider 4, in the floor projection scope of heat exchange core body 1 and following current divider 5, the outer floor projection space of occupying volume does not help whole volume miniaturization.
The air inlet 411 of first gas channel 41 of last current divider 4 is in the left side, and gas outlet 412 is in the lower end, and first gas channel 41 is 90 degree turning paths; The air inlet 421 of second gas channel 42 is in the lower end, and gas outlet 422 is in the upper end, and second gas channel 42 is up and down vertically path.The air inlet 111 of first gas channel 11 of heat exchange core body 1 is in the upper end, and gas outlet 112 is in the lower end; The air inlet 121 of second gas channel 12 is in the lower end, and gas outlet 122 is in the upper end, and first gas channel 11 and second gas channel 12 all are up and down vertically path.The air inlet 511 of first gas channel 51 of following current divider 5 is in the upper end, and gas outlet 512 is in the lower end, and first gas channel 51 is up and down vertically path; The air inlet 521 of second gas channel 52 is on the right side, and gas outlet 522 is in the upper end, and second gas channel 52 is 90 degree turning paths.
Two blower fans 40,50 are centrifugal fan, and air flow path is 90 degree turnings during work, and the big air quantity foot of centrifugal fan blast can improve heat exchange efficiency.First gas channel 41 of upward current divider 4 of the present utility model and second gas channel 52 of following current divider 5 have 90 degree turning paths, cooperate centrifugal fan 40,50 again with 90 degree turning paths, blower fan 40,50 is located at the top of current divider 4 and the below of following current divider 5 like this, just can make the first air channel AB and the second air channel CD that form two halfturns.The air outlet 422 of second gas channel 42 of last current divider 4 can directly be communicated with the evaporimeter of the air-conditioning equipment with refrigerant, is convenient to constitute all-in-one with indoor machine of air conditioning unit.
When there was the temperature difference in the air in two environment, two strands of air-flows entered the first air channel AB and the second air channel CD respectively in the opposite direction by stream, can make the temperature difference maximization of two strands of air-flows like this, and heat exchange amount increases greatly.After heat exchange, the heat of having taken away high temperature gas flow of low-temperature airflow maximum is given the cooling of high temperature gas flow abundance, and itself has obtained heating up to greatest extent.When they return the environment at place separately, also changed the temperature of place environment thereupon.
As shown in Figure 3, heat exchange core body 1 of the present utility model is made of a plurality of heat exchanger fins 2 of stacked on top of one another and forms a plurality of first gas channels 11 that are arranged alternately and second gas channel 12, each heat exchanger fin 2 is spliced along being parallel to length direction mutually by a plurality of heat exchange bars 3, each heat exchange bar 3 is connected in series mutually by the sub-bar 8 of the heat exchange more than two sections and forms, and the sub-bar 8 of described each heat exchange comprises main muscle 81 and is located at a plurality of fins 82 of main muscle 81 both sides.As showing among Fig. 2 that each heat exchange bar 3 comprises four sections sub-bars 8 of heat exchange, obviously the sub-bar 8 of heat exchange that comprised of each heat exchange bar 3 can be two sections, three sections, five sections or multistage more.Can determine the quantity of the sub-bar 8 of heat exchange that each heat exchange bar 3 comprises according to specific requirement.The main muscle 81 of the sub-bar 8 of each heat exchange is all shorter and smaller like this, good rigidly, it is extremely thin that main muscle 81 can push, thermal resistance is minimum, the contact heat-exchanging area in cold and hot air channel increases simultaneously, heat exchange efficiency improves greatly, also helps realizing simultaneously the miniaturization and the lightness design requirement of air heat-exchanging device complete machine.
Be extended with butt joint boss 83 along the keep at a certain distance away end of fin 82 of (three fins 82 of for example being separated by) of main muscle 81 length directions in a plurality of fins 82 of the sub-bar 8 of each heat exchange, the butt joint boss 83 of the corresponding fin 82 of the sub-bar 8 of adjacent heat exchange connects, help supporting the sub-bar 8 of adjacent heat exchange, guarantee the rigidity and the assembling accuracy of the sub-bar 8 of heat exchange.
The sub-bar 8 of each heat exchange is extended with docking section 84 along the two ends one of main muscle 81 length directions.Wherein be positioned at the sub-bar 8 of heat exchange at heat exchanger fin 2 edges, its docking section 84 comprises splicing flange and the butt strip of being located at main muscle 81 two ends, splicing flange and main muscle 81 are vertical and be provided with and dock recess 85, supply the splicing flange splicing location of the sub-bar 8 of heat exchange of contiguous concatenation, and can be affixed herein by securing member, butt strip and main muscle 81 are parallel but depart from main muscle 81, are convenient to guarantee with the butt strip overlap joint of the sub-bar 8 of the heat exchange that is connected in series the time linearity of whole heat exchange bar 3.And for the sub-bar 8 of heat exchange in the middle of heat exchange bar 3, the docking section 84 at its two ends is parallel with main muscle 81 but departs from the butt strip of main muscle 81, the butt strip at the sub-bar of heat exchange 8 two ends departs to the different both sides of main muscle 81 respectively, in the linearity when the butt strip overlap joint of the sub-bar 8 of heat exchange that guarantees serial connection, can make the stress equalization of the butt strip at the sub-bar of heat exchange 8 two ends.
Shown in Fig. 4,5, in preferred implementation of the present utility model, current divider 4,5 up and down of the present utility model is made up of a plurality of separator units 6 that are connected with group respectively.Each separator unit 6 is made by nonmetallic materials. Current divider 4,5 also can comprise the preceding frame 71 of fastening a plurality of separator unit 6, two side frames 72 and back plate 73 respectively up and down, and whole like this current divider can form modular assembly, is convenient to be assembled in the various heat-exchanger rig.Frame 71 before each, two side frames 72 and back plate 73 are also made by nonmetallic materials.Nonmetal polymer class material in the preferred nonmetallic materials of the utility model, and in nonmetal polymerizable material, first-selected again high molecular polymer.Preferably go out separator unit 6, preceding frame 71, two side frames 72 and back plates 73 by the integrally moulded moulding of mould by high molecular polymer.By four sections of moulds, can large batch of moldedization production, needn't machined, effectively improve working (machining) efficiency, the cost of material is low, and the production cost of whole current divider significantly reduces, and weight of equipment alleviates.
High molecular polymer can be plastics, rubber and fiber.Wherein organic plastics can be nylon, polystyrene etc.Rubber can be tyre rubber.Fiber can be glass fibre or carbon fiber etc.Certainly except these high molecular polymers, the utility model can also select for use any nonmetallic materials that can be molded and shaped such as ballistic materials, composite wood board, pottery, artificial stone, safety glass to come molded and shaped separator unit 6.
Shown in Fig. 6,7, separator unit 6 comprises two spacers 61 and is connected in brace 62 between two spacers 61.Be connected with respectively on two spacers 61 with perpendicular 63, two the winding sheets 63 of winding sheet of spacer 61 and extend towards the different both sides of separator unit 6, winding sheet 63 is used for that winding sheet 63 with adjacent separator unit 6 is connected with group and for the riveting component riveted joint.As shown in Figure 8, back plate 73 is provided with a plurality of slots 74, and the spacer 61 of each separator unit 6 is plugged in the corresponding slot 74.
The above only is the specific embodiment of the present invention, can not limit the scope that the utility model is implemented with this certainly, and all equivalent variations and modifications of doing according to content of the present utility model all should belong to protection domain of the present utility model.