CN105841403A - Cooling device - Google Patents

Abstract

The invention provides a cooling device. The cooling device includes an inlet pipe, an outlet pipe, at least two collecting pipes, and a plurality of flat tubes which communicate with the collecting pipes; fins are arranged between adjacent flat pipes; and the collecting pipe and the flat pipe form a fluid connection between the inlet pipe and the outlet pipe. The cooling device further includes a baffle plate, the baffle plate and the collecting tubes are assembled together in a relative fixed manner, and the baffle plate has no through holes; and the baffle plate can effectively suppress a layering phenomenon of a gas-liquid two-phase refrigerant in the collecting tubes, and then the refrigerant is evenly distributed to the plurality of flat tubes from the collecting tube, and an excellent heat exchange effect can be achieved.

Description

Chiller

Technical field

The present invention relates to a kind of chiller, belong to field of air conditioning.

Background technology

Chiller generally comprises at least two header and multiple flat tube being connected between two headers, The plurality of flat tube is arranged in parallel, and the inside of flat tube is provided with the microchannel connected with header, adjacent flat tube Between be provided with fin.When heat exchanger works, the cold-producing medium of fluid state is existed by the microchannel in flat tube Flow between two headers, and by flat tube and fin and extraneous heat-shift.

Cold-producing medium by flat tube during a header flows to another header, in order to obtain Preferably heat exchange efficiency, it should be ensured that cold-producing medium can be more equally distributed between two headers Multiple flat tubes in.But in existing most chillers, cold-producing medium is usually gas-liquid two-phase, And the cold-producing medium of gas-liquid two-phase easily occurs lamination in header, i.e. gaseous refrigerant and liquid system Cryogen is gathered into whole or most gaseous refrigerant oxidant layer for gaseous state respectively The liquid refrigeration oxidant layer of liquid.This lamination can hinder cold-producing medium to be assigned to multiple flat tube fifty-fifty In, cause the heat exchange property of heat exchanger to reduce.

Therefore, it is necessary to existing technology is improved, to solve above technical problem.

Summary of the invention

It is an object of the invention to provide one be possible to prevent cold-producing medium to occur in header gas-liquid two-phase divides Layer phenomenon, thus obtain the chiller of more preferable cooling performance.

For achieving the above object, a technical scheme of the present invention provides a kind of chiller, including entrance The flat tube that pipe, outlet, at least two header and multiple and described header connect is adjacent Being provided with fin between described flat tube, described header and flat tube form described inlet tube and described outlet Between fluidly connect；It is characterized in that: described chiller also includes baffle plate, and described baffle plate is with described Header fits together with being relatively fixed, and does not offers through hole on described baffle plate；Described baffle plate includes putting down The main part of tabular, described main part is located at inside described header, relative to the axis of described header Direction is arranged obliquely, and forms more than 10 degree with the axis direction of described header, less than 70 degree Angle.

Another technical scheme of the present invention provides a kind of chiller, including inlet tube, outlet, extremely The flat tube that few two headers and multiple and described header connect, sets between adjacent described flat tube Being equipped with fin, described header and flat tube form fluidly connecting between described inlet tube and described outlet； It is characterized in that: described chiller also includes that baffle plate, described baffle plate and described header are relatively fixed ground Fit together, and do not offer through hole on described baffle plate；Described baffle plate includes main part, described main part It is located at inside described header, and includes at least two sections of laths being sequentially connected with or being connected, described plate Bar is tabular, constitutes more than 100 degree between adjacent lath, and the angle of less than 160 degree is positioned at institute The lath of an end stating main part constitutes more than 10 degree with the axis direction of described header, 70 degree Following angle.

Another technical scheme of the present invention provides a kind of chiller, including inlet tube, outlet, extremely The flat tube that few two headers and multiple and described header connect, sets between adjacent described flat tube Being equipped with fin, described header and flat tube form fluidly connecting between described inlet tube and described outlet； It is characterized in that: described chiller also includes that baffle plate, described baffle plate and described header are relatively fixed ground Fit together, and do not offer through hole on described baffle plate；Described baffle plate includes main part, described main part Shape be the bending tabular of arc, including recessed curved surfaces and the curved surfaces of protrusion and described The tangent line of the point at least some of region of the curved surfaces protruded is constituted with the axis direction of header More than 10 degree, the angle of less than 70 degree.

Described baffle plate also includes the location division installed with being relatively fixed with described header, and described location division is The planar portion bent relative to other parts of described main part by a part for described main part and formed Point, it is positioned at one end of described main part.

The side of described header offers multiple connecting hole, and a part for described location division is inserted and fixed In a connecting hole in the plurality of connecting hole；Described flat tube inserts in remaining described connecting hole, Connect with described header via described connecting hole.

Described chiller also includes that end cap, described end cap are arranged on one end of described header and by described One end being provided with described end cap of header is closed；The other end of described header is not provided with described end cap, Described baffle plate is arranged adjacent to one end being not provided with described end cap of described header, and by described header Part space interior separates with extraneous.

Described chiller also includes that end cap, the quantity of described end cap are two, and said two end cap is respectively It is arranged on the two ends of described header and respectively by the closed at both ends of described header, the one of described location division Part is fixed on in said two end cap.

Described chiller also includes that auxiliary location structure, described auxiliary location structure include projection and pit, Described location division and the one in the described end cap fixing described location division are provided with described projection, another Person is provided with described pit, and described projection is inserted and secured in described pit.

Described chiller also includes that end cap, the quantity of described end cap are two, and said two end cap is respectively It is arranged on the two ends of described header and respectively by the closed at both ends of described header, of described baffle plate Divide on be fixed in said two end cap.

Described baffle plate is relatively near apart from one end of described header, apart from described header the other end farther out； Described chiller also includes that end cap, described end cap are arranged on baffle plate described in the distance of described header farther out One end and this end seal is closed；The nearer one end of baffle plate described in the distance of described header is not provided with described end Lid, described baffle plate is arranged adjacent to one end being not provided with described end cap of described header, and by described afflux The part space interior of pipe separates with extraneous.

In the chiller that the present invention discloses, in header, it is provided with the baffle plate with certain angle of inclination, When the cold-producing medium of fluid state flows in header, its flow direction can be changed by baffle plate so that refrigeration The flow regime of agent becomes more disorderly.Thus can make the cold-producing medium of gas-liquid two-phase in flow process Mix more abundant, be effectively prevented cold-producing medium and gas-liquid two-phase lamination occurs in header, have It is beneficial to cold-producing medium mean allocation in multiple flat tubes, it is thus achieved that preferably heat transfer effect.

Accompanying drawing explanation

Fig. 1 is the structural representation of the chiller of first better embodiment offer of the present invention.

Fig. 2 is the cross-sectional schematic of the chiller shown in Fig. 1.

Fig. 3 is the structural representation of the baffle plate of the chiller shown in Fig. 1.

Fig. 4 is the schematic perspective view that the baffle plate of the chiller shown in Fig. 1 is arranged in header.

Fig. 5 is the cross-sectional schematic of the chiller of second better embodiment offer of the present invention.

Fig. 6 is the partial schematic sectional view of the chiller of the 3rd the better embodiment offer of the present invention.

Fig. 7 is the partial schematic sectional view of the chiller of the 4th the better embodiment offer of the present invention.

Fig. 8 is the partial schematic sectional view of the chiller of the 5th the better embodiment offer of the present invention.

Fig. 9 is the partial schematic sectional view of the chiller of the 6th the better embodiment offer of the present invention.

Detailed description of the invention

Referring to Fig. 1, first better embodiment of the present invention provides a kind of chiller 100, and it can To apply in refrigeration system (such as air-conditioning) as vaporizer.This chiller 100 includes four shapes Shape is straight tube-like and the header 3 being parallel to each other, 4,5,6, multiple flat tube 7, multiple fin 8 and limit Plate 9.The concrete shape of header 3,4,5,6 can be cylindrical straight pipe, prismatic straight tube etc., Present embodiment is preferably the straight tube of four prism type；Wherein header 3,5 is arranged close to each other, afflux Pipe 4,6 is arranged close to each other.Connecting between header 3 and 4 has one group to be parallel to each other and equally spacedly The flat tube 7 of arrangement, connect between header 5 and 6 and have another group to be parallel to each other and arrange equally spacedly Flat tube 7.The concrete grammar being connected to by flat tube 7 on the header of correspondence is: in the same side of header Multiple connecting hole corresponding with the shape of flat tube 7 is formed, such as Fig. 2 by perforate means such as such as punching presses Shown connecting hole 44.The length direction of such connecting hole 44 is all vertical with the length direction of header, And such connecting hole 44 arranges equally spacedly along the length direction of header；Corresponding with this header Multiple flat tubes 7 in, one end of each flat tube 7 is inserted on this header in a corresponding connecting hole, And the length direction of each flat tube 7 is all vertical with the axis direction of this header.Flat tube 7 is provided with right The header connection answered, for the microchannel of cold-producing medium circulation, in each layer of this heat exchanger 100 The fin 10 being provided with shutter shape between adjacent flat tube 7 is (more simple and clear, only here for making diagram Show part fin 10), it is used for improving heat exchange efficiency.So, header 3 and 4 and therebetween Flat tube 7 and fin 8 form the ground floor of this chiller 100, header 5 and 6 and therebetween Flat tube 7 and fin 8 form the second layer of this chiller 100.

This chiller 100 also includes that inlet tube 1, outlet the 2, first shim 33 and second separate Sheet 53.Wherein the first shim 33 is arranged on the middle part of header 3, and header 3 is separated into two The pipeline section 31 and 32 being the most directly interconnected.In the present invention, " be the most directly interconnected " specifically contains Justice refers to two adjacent pipeline section parts of header and is completely isolated out in the structure of header self Come, it is impossible to realize being interconnected by any a part of inner space of header；To make fluid exist Circulate between the pipeline section part that the two is adjacent, can only be by arranging and the two pipe outside header The outside currency structure that section is respectively communicated with realizes, and can not be come real by any structure of header self Existing.Second shim 53 is arranged on the middle part of header 5, and header 5 is separated into two not direct phases Intercommunicated pipeline section 51 and 52.Wherein pipeline section 31 and pipeline section 52 are arranged in parallel to each other, pipeline section 32 He Pipeline section 51 is arranged in parallel to each other, and pipeline section 32 and pipeline section 51 are interconnected.Pipeline section 32 and pipeline section 51 Concrete mode of communicating can be the prior art of field of heat exchangers, such as pipeline section 32 and pipeline section 51 that Intercommunicating pore is offered to be interconnected, here without repeating on this relative side.Inlet tube 1 is arranged on pipe Section 31 ends, outlet 2 is arranged on pipeline section 52 end.Inlet tube 1 and outlet 2 can be aluminums Bend pipe, its concrete shape can be adjusted according to the specifically used environment of chiller 100.

According to above-mentioned assembling mode, altogether can be with shape in the ground floor of this chiller 100 and the second layer Become four for the flow process allowing cold-producing medium circulate.Concrete flow process structure is, in ground floor, pipeline section 31, Flat tube 7 between pipeline section 31 and a part of body of header 4 and this part body of header 4 Constitute the first pass of chiller 100, another part body of header 4, header 4 this is another Flat tube 7 and pipeline section 32 between a part of body and pipeline section 32 constitute the second of chiller 100 Flow process；In the second layer, flat tube 7 between pipeline section 51, pipeline section 51 and a part of body of header 6, And this part body of header 6 constitutes the 3rd flow process of chiller 100, another of header 6 Part body, header 6 this another part body and pipeline section 52 between flat tube 7 and pipeline section 52 Constitute the 4th flow process of chiller 100.Above-mentioned first pass correspond to cooling to the order of the 4th flow process Device 100 work schedule cryogen flows through the order of these four flow processs.When using this chiller 100, Inlet tube 1 is connected with the throttle part (such as expansion valve) of refrigeration system (such as air conditioning system), Outlet 2 is connected with liquid reservoir or the compressor of refrigeration system.It is in the cold-producing medium of fluid state through celebrating a festival After stream unit regulation flow, flow into from inlet tube 1, flow successively through above-mentioned first to fourth flow process, finally Flowing out from outlet 2, the liquid reservoir of entrance refrigeration system or compressor are to be circulated.When cold-producing medium is every During once-through flat tube 7, the heat in the external world can be absorbed by flat tube 7 and fin 8.

(wherein Fig. 2 is the section view made along the line B-B shown in Fig. 1 to see also Fig. 2 to Fig. 4 Schematic diagram), chiller 100 also includes being arranged in its header, for preventing the refrigeration in header There is the baffle plate 43 of gas-liquid two-phase lamination in agent.This baffle plate 43 be arranged on chiller 100 not by Shim is separated in the header of the pipeline section being the most directly interconnected, say, that may be mounted at afflux In pipe 4 and/or header 6.Hereinafter architectural feature, assembling mode and the actual functional capability of baffle plate 43 is done Concrete introduction.

As it is shown on figure 3, described baffle plate 43 includes main part 431 and location division 432.Main part 431 is Generally rectangular flat board, has two shorter edge 431a being parallel to each other and 431c and two Bar be parallel to each other and with above-mentioned shorter edge 431a, longer edges 431b vertical for 431c.This embodiment party In formula, in order to coordinate with the header 4 of four prism type (the most square), shorter edge 431a, 431c It is arranged to straight with longer edges 431b；If being appreciated that, header 4 uses other shapes round Pipe, then can also be the part edge of baffle plate 43 such as shorter edge 431a and/or longer edges 431b It is arranged to other shapes such as arc, in order to the most corresponding with the inner wall shape of header 4, makes baffle plate 43 Can stably, seamlessly be arranged in header 4.The width of main part 431 and header 4 Width is the most corresponding, such as, can be slightly less than the width of header 4, therefore can be loaded by baffle plate 43 Header 4 is internal, makes the width of baffle plate 43 keep vertical with the length direction of header 4 simultaneously, Shorter edge 431a of main part 431,431c is namely made to keep vertical with the length direction of header 4. Location division 432 is by a part of phase neighbouring for one end with its shorter edge 431c place of main part 431 The flat panel like portion that other parts for main part 431 bend certain angle and formed.This embodiment party In formula, the scope of the angle that location division 432 is bent relative to main part 431 is 20 degree to 80 degree, It is to say, the model of the angle b (as shown in Figure 3) formed between location division 432 and main part 431 Enclose is 100 degree to 160 degree.Simple and clear, by shorter edge 431a of main part 431 infra for narration The one end (namely not forming one end of location division 432) at place is referred to as the first end of main part 431, The one end (the namely end of location division 432) at the shorter edge 431c place of main part 431 is referred to as The second end of main part 431.Here " first " and " second " is only the difference in name, and Do not represent the order or priority formed or assemble.It addition, the main part of the baffle plate 43 in present embodiment 431 and location division 432 on the most do not offer any through hole.

Refer to Fig. 2 and Fig. 4, when baffle plate 43 is arranged on header 4 inside, be by main part 431 First end insert header 4 inside.In insertion process, it should be ensured that the second of main part 431 End is towards the side for connecting flat tube 7 of header 4, such as header 4 in Fig. 2 and Fig. 4 Offer the upside of connecting hole 44, and the first end of main part 431 towards header 4 with for even Connect the downside of header 4 in the opposite side that the side of flat tube 7 is relative, such as Fig. 2 and Fig. 4.Obviously, According to such inserted mode, the first end of main part 431 than main part 431 the second end more Penetrate deeply into the inside of header 4.In the present embodiment, in order to provide just to this insertion process Profit, the intersection of shorter edge 431a of baffle plate 43 and the two of baffle plate longer edges 431b all uses circle Curved edge carries out transition connection, say, that the one end at the shorter edge 431a place of baffle plate 43 Two corners are all fillets, so help avoid baffle plate 43 insert during header 4 with afflux Pipe 4 impacted inside or friction.

Fully enter header 4 at whole baffle plate 43, but all connecting holes 44 of header 4 all go back position When the same side of location division 432 (such as, shown in Fig. 2, all connections inserted for flat tube 7 Hole 44 is all located at the left side of location division 432), location division 432 is vertically placed, namely makes location division 432 is vertical with the axis of header 4；Now, constitute above-mentioned due to main part 431 with location division 432 Angle b, and location division 432 is vertical with the axis of header 4, therefore main part 431 and header 4 Axis and inwall all structures of header 4 at a certain angle.Due to header 4 in present embodiment Being the square tube of four prism type, its sidewall is axially in parallel with it, therefore main part 431 and header 4 The angle that constitutes of axis and main part 431 and header 4 on the downside of the angle that constitutes of inwall be identical, Present embodiment all represents with a, as shown in Figure 4.Corresponding to the above-mentioned concrete structure of baffle plate 43, It is appreciated that this angle a is in the range of 10 degree to 70 degree.Obviously, according to such modes of emplacement, this Time main part 431 the side offering connecting hole 44 of the second end neighbor set flow tube 4, main part The first end of 431 is then away from the side offering connecting hole 44 of header 4；The of main part 431 One end more penetrates deeply into the inside of header 4 than the second end of main part 431.

On the premise of the above-mentioned modes of emplacement keeping baffle plate 43, by end and the header of location division 432 The inner surface of the side for connecting flat tube 7 of 4 mutually supports or close to each other, and main part 431 is relatively The one end (the most above-mentioned first end) at short edge 431a place and header 4 be used for being connected flat tube 7 The inner surface of the relative opposite side in side mutually support or close to each other, two of main part 431 are longer Inner surface (the such as header 4 shown in Fig. 4 of two other sidewall of edge 431b and header 4 The inwall of the left and right sides) closely support or close to each other.Afterwards, baffle plate 43 is fixed on header 4 Internal.Concrete fixed form can be welding (such as soldering), bonding etc..Baffle plate 43 is being fixed While header 4 inside or afterwards, can be by all or part of edge of baffle plate 43 and header The gap seals formed between 4 inwalls gets up；The inwall at edge Yu header 4 by utilizing baffle plate 43 Between closely support and between all or part of edge of baffle plate 43 and the inwall of header 4 formed Sealing structure, it is possible to use the internal one end near headers 4 of 43 headers 4 of baffle plate is (according to figure 4 right-hand members showing header 4) position block completely, the inner space of header 4 is separated into Two parts being the most directly interconnected, such as, be positioned on the left of baffle plate 43 shown in Fig. 2, with The throughput 41 of each flat tube 7 connection and be positioned on the right side of baffle plate 43, not non-with what any flat tube 7 connected Throughput 42；Concrete seal means can be welding, bonding etc., is preferably soldering in present embodiment. After fixed dam 43, load onto end cap 46 at header 4 two ends, by the closed at both ends of header 4.For More stably fixed dam 43, it is also possible to end cap 46 and the baffle plate 43 of neighbouring baffle plate 43 Location division 432 by welding or bonding way interfix.

After loading onto end cap 46, header 4 is only capable of being connected through hole 44 and is in communication with the outside, afterwards Assemble according to the above-mentioned miscellaneous part of existing assembling mode with chiller 100, constitute complete cold Radiator cooler 100.Obviously, in the chiller 100 being completed, the second end of main part 431 The connection of neighbor set flow tube 4 have flat tube 7 side (the most above-mentioned header 4 offer connecting hole 44 Side), the then connection away from header 4 of the first end of main part 431 has the side of flat tube 7；Main The first end of body 431 more penetrates deeply in header 4 than the second end of main part 431 Portion.So, shown in Fig. 2, main part 431 be first end on the downside of neighbor set flow tube 4 to The second end on the upside of neighbor set flow tube 4 is gradually increasing.It addition, connect with header 4 is all flat The pipe 7 opening in header 4 is all located at the same side of location division 432 and (show location according to Fig. 2 The left side in portion 432), so make all flat tubes 7 connected with header 4 all connect with throughput 41, Flat tube 7 is not had to be communicated to be not involved in the non-negotiable portion 42 of refrigerant cycle, the therefore dress of this baffle plate 43 Enter to be not result in that the quantity of the flat tube 7 that can use reduces, also would not affect the allocative efficiency of header 4.

During use, (usually gas-liquid two-phase) cold-producing medium of fluid state enters cooling from inlet tube 1 After device 100, shown in the arrow A1 in figure, through pipeline section 31 and be connected to pipeline section 31 And between a part of body (showing half section of the left side body of header 4 according to Fig. 2) of header 4 Flat tube 7 enters header 4, and another part body being then passed through header 4 (show according to Fig. 2 Half section of the right side of header 4 body) enter the flat tube 7 being connected between header 4 and pipeline section 32 and enter Pipeline section 32.When cold-producing medium flows in header 4 and touches the main part 431 of baffle plate 43, by Relative to the axis of header 4, there is above-mentioned angle of inclination in main part 431, therefore when the system of flowing When cryogen touches main part 431, its flow direction can change (example because of the obstruction of main part 431 As shown in the arrow A2 in Fig. 2), and correspondingly produce backflow and/or eddy current.Such backflow and/or whirlpool Stream can allow and is closer to cold-producing medium on the downside of header 4 and is closer to the cold-producing medium on the upside of header 4 It is mutually mixed, prevents cold-producing medium from obvious lamination occurring.On the other hand, baffle plate 43 is by header 4 Inner space be separated into above-mentioned throughput 41 and non-negotiable portion 42, only throughput 41 and be available for cold-producing medium Flowing, cold-producing medium can not enter non-negotiable portion 42, thus reduces and is available for cold-producing medium stream in header 4 Dynamic space, this pressure and mixing homogeneity of being also beneficial to increase the cold-producing medium in header 4, enters one The layering tendency of step suppression cold-producing medium.Owing to baffle plate 43 can be effectively prevented from the cold-producing medium in header 4 Obvious lamination occur, such cold-producing medium just can be assigned to second from header 4 the most equably In multiple flat tubes 7 of flow process, it is thus achieved that preferably cooling effect.It addition, experiment is it has been proved that main part The 431 above-mentioned range of tilt angles formed relative to the axis of header 4 not only facilitate suppression refrigeration The layering tendency of agent, and the preferable flow velocity of cold-producing medium will not be affected significantly.

It is appreciated that because all spaces formed between baffle plate 43 and header 4 inwall are passed through Welding or the means such as bonding all seal, therefore in some other embodiment, it is also possible to cancel neighbouring The end cap 46 that above-mentioned baffle plate 43 is arranged, only uses baffle plate 43 and is arranged on header 4 away from this gear Another end cap 46 of one end of plate 43 can be by header 4 closed at both ends.According to above-mentioned operation principle, Such embodiment remains able to reach the technology of the suppression cold-producing medium layering tendency of above-mentioned chiller 100 Effect.In other embodiments, dividing plate 43 can also only include completely in flat main part 431, it is not necessary to bend main part 431 and form location division 432.Can be by the of main part 431 during assembling Two ends are directly welded or are bonded on the inwall offering connecting hole 44 of header 4, or are welded on On neighbouring end cap 46, it is also possible to obtain the technique effect of same suppression cold-producing medium layering tendency.At collection Flow tube 6 can also arrange the baffle plate similar to above-mentioned baffle plate 43, for suppressing the cold-producing medium of gas-liquid two-phase Layering tendency in header 6.The architectural feature of this baffle plate and assemble method all can refer to baffle plate 43 And the assemble method in header 4, therefore without repeating to repeat.

Referring to Fig. 5, second better embodiment of the present invention provides a kind of chiller, and it is big Partial Feature all can refer to above-mentioned chiller 100, and the difference with chiller 100 is then, In the chiller that second better embodiment of the present invention provides, except being provided with in header 4 State outside baffle plate 43, also in its header 3, be provided with baffle plate 34.The architectural feature of baffle plate 34 can be joined According to baffle plate 43, its main part (non-label) is fixed on the inwall of header 3, and its location division (is not marked Number) be fixed on the first shim 33, the angle of the axis of the main part of baffle plate 34 and header 3 Scope is also 10 degree to 70 degree.Pipeline section 31 is separated into throughput (non-label) and non-streaming by baffle plate 34 Logical portion's (non-label), all flat tubes 7 connected with pipeline section 31 are all opened in throughput, the most not There will be idle flat tube 7, the allocative efficiency of cold-producing medium will not be reduced.Gas-liquid two-phase cold-producing medium from When inlet tube 1 flows into header 3, baffle plate 34 is favorably improved the cold-producing medium of gas-liquid two-phase in pipeline section 31 Mixing homogeneity, suppression cold-producing medium lamination occurs, its action principle is identical with above-mentioned baffle plate 43. It is appreciated that in other embodiments, it is also possible to cancel the first shim 33, by determining of baffle plate 34 Position portion is also directly anchored on the inwall of header 3, thus merely with baffle plate 34 by pipeline section 31 and pipeline section 32 separate.

Referring to Fig. 6, the 3rd better embodiment of the present invention provides a kind of chiller.This is cold Most of feature of radiator cooler all can refer to above-mentioned chiller 100, therefore illustrate only this in Fig. 5 The partial schematic sectional view of chiller, wherein includes this chiller and above-mentioned chiller 100 Difference part.Specifically, this chiller that the 3rd better embodiment of the present invention provides is with upper State the mounting means that the difference of chiller 100 is the location division 432 of baffle plate 43.In present embodiment In, location division 432 from the internal one end inserted near header 4 of header 4 (shown in Fig. 5 Right-hand member for header 4) a connecting hole 44 in, and be fixed in this connecting hole 44, concrete Fixed form can be interference fit, welding, bonding etc..Other connecting holes 44 on header 4 Then it is all located at the same side (showing the left side of location division 432 according to Fig. 5) of location division 432, is all used for Grafting flat tube 7.The working method of the chiller that present embodiment provides and above-mentioned chiller 100 phase With.It is appreciated that owing to the location division 432 in present embodiment is to be plugged in a connecting hole 44, Its both sides, by the position-limiting action of connecting hole 44, therefore can be mounted so as to more stable.

Referring to Fig. 7, the 4th better embodiment of the present invention provides a kind of chiller.This is cold Most of feature of radiator cooler all can refer to above-mentioned chiller 100, therefore illustrate only this in Fig. 6 The partial schematic sectional view of chiller, wherein includes this chiller and above-mentioned chiller 100 Difference part.Specifically, this chiller that the 4th better embodiment of the present invention provides is with upper The difference stating chiller 100 is: in the present embodiment, location division 432 and neighbouring with baffle plate 43 End cap 46 be provided with auxiliary location structure, be used for making dividing plate 43 be mounted so as to more stable.Specifically, Location division 432 in present embodiment is provided with protruding 433 towards the surface of neighbouring end cap 46, and with Neighbouring end cap 46 be provided with and protruding 433 corresponding pits 461 towards the surface of location division 432. During assembling, except welding or adhesion means is by location division 432 according to similar with above-mentioned chiller 100 Outside interfixing with neighbouring end cap 46, the most also projection 433 is inserted and secured on pit 461 In, concrete fixed form can be interference fit, welding, bonding etc..Present embodiment provides The working method of chiller is identical with above-mentioned chiller 100.It is appreciated that above-mentioned auxiliary positioning is tied Structure contributes to making location division 432 and adjacent end cap 46 more firmly and stably fit together； In other embodiments, it is also possible to be arranged on the end cap 46 neighbouring with location division 432 by protruding 433 On the surface of location division 432, and pit 461 is arranged on location division 432 towards neighbouring end cap On the surface of 46.

Referring to Fig. 8, the 5th better embodiment of the present invention provides a kind of chiller.This is cold Most of feature of radiator cooler all can refer to above-mentioned chiller 100, therefore illustrate only this in Fig. 8 The partial schematic sectional view of chiller, wherein includes this chiller and above-mentioned chiller 100 Difference part.Specifically, this chiller that the 5th better embodiment of the present invention provides is with upper The difference stating chiller 100 is: in the present embodiment, and main part 431 shape of baffle plate 43 is also Non-planar base, but the group of slats being sequentially connected with by least two sections (in such as present embodiment being three sections) Become, or by being the flat main part (master in the most above-mentioned chiller 100 by original shape Body 431) it is bent into the means of at least two sections of laths being connected and is formed.Wherein every section of lath in Tabular, adjacent lath structure is at a certain angle.In the present embodiment, the plate that any two is adjacent The scope of the angle that bar is constituted is more than 100 degree, less than 160 degree.The first end institute of main part 431 The angle that formed of the axis direction of lath and header 4 (i.e. angle c's) shown in Fig. 8 Scope is more than 10 degree, less than 70 degree.

Referring to Fig. 9, the 6th better embodiment of the present invention provides a kind of chiller.This is cold Most of feature of radiator cooler all can refer to above-mentioned chiller 100, therefore illustrate only this in Fig. 9 The partial schematic sectional view of chiller, wherein includes this chiller and above-mentioned chiller 100 Difference part.Specifically, this chiller that the 6th better embodiment of the present invention provides is with upper The difference stating chiller 100 is: in the present embodiment, and main part 431 shape of dividing plate 43 is also Non-planar base, but the bending tabular of arc；In the arc platy structure of this main part 431, recessed Curved surfaces 431d connect towards header 4 and have the side of flat tube 7, the curved surfaces 431e of protrusion Header 4 connects the side having flat tube 7 dorsad.It addition, at least one of the curved surfaces 431e protruded The scope of the angle that the tangent line of the point on subregion and the axis direction of header 4 are constituted be all 10 degree with On, less than 70 degree.

In the chiller that above-mentioned 3rd to the 6th better embodiment provides, baffle plate 43 can act as The effect similar to the baffle plate 43 in the chiller 100 of above-mentioned first better embodiment, i.e. suppresses gas Liquid biphase cold-producing medium layering tendency in header 4, makes cold-producing medium distribute more in flat tube 7 Uniformly, cooling effect is improved.It is appreciated that the cooling in above-mentioned 3rd to the 6th better embodiment Device also can be made the chiller with first and second better embodiment above-mentioned be similarly modified, The location division such as cancelling baffle plate, the package assembly changing the arrangement of end cap and end cap and baffle plate, Other headers (such as header 3) outside header 4 are also provided with baffle plate etc..It addition, it is above-mentioned The various baffle plates and the package assembly thereof that there is provided in each better embodiment can also be applied same cold simultaneously In radiator cooler.

It is appreciated that baffle plate 43 that each embodiment above-mentioned provides and/or baffle plate 34 are not limited in making It is used in the double-deck multipaths chiller described in each embodiment above-mentioned, it is possible to use cold at monolayer Radiator cooler (the most only comprise header 3,4 and be connected to flat tube 7 therebetween and fin 8, and not Comprise the chiller of header 5,6) in, or in the more chiller of the number of plies.

Compared with chiller existing with majority, chiller (each reality the most above-mentioned that the present invention provides Execute the chiller described in mode) owing to restrained effectively the cold-producing medium of gas-liquid two-phase in header Lamination, therefore so that cold-producing medium distributes being assigned in multiple flat tube from header when Obtain more uniform, thus obtain preferably cooling effect.

It should be understood that above example is merely to illustrate the present invention and and unrestricted described in the invention Technical scheme, above with respect to " on ", D score, the description in the orientation such as "left", "right" be intended merely to just In understanding present disclosure, not limitation of the invention.Although this specification is with reference to above-mentioned enforcement Example to present invention has been detailed description, but, it will be understood by those within the art that, The present invention still can be modified or equivalent by person of ordinary skill in the field, and all Without departing from technical scheme and the improvement thereof of the spirit and scope of the present invention, the right in the present invention all should be contained In claimed range.

Claims (10)

1. a chiller, including inlet tube, outlet, at least two header and multiple with The flat tube of described header connection, is provided with fin between adjacent described flat tube, described header and flat Pipe forms fluidly connecting between described inlet tube and described outlet；It is characterized in that: described cooling dress Putting and also include baffle plate, described baffle plate fits together with described header with being relatively fixed, and described baffle plate On do not offer through hole；Described baffle plate includes that flat main part, described main part are located at described header Inside, is arranged obliquely relative to the axis direction of described header, and with the axis of described header Direction forms more than 10 degree, the angle of less than 70 degree.

2. a chiller, including inlet tube, outlet, at least two header and multiple with The flat tube of described header connection, is provided with fin between adjacent described flat tube, described header and flat Pipe forms fluidly connecting between described inlet tube and described outlet；It is characterized in that: described cooling dress Putting and also include baffle plate, described baffle plate fits together with described header with being relatively fixed, and described baffle plate On do not offer through hole；Described baffle plate includes that main part, described main part are located at inside described header, and The lath being sequentially connected with including at least two sections or be connected, described lath is tabular, adjacent lath Between constitute more than 100 degree, the angle of less than 160 degree, be positioned at the plate of an end of described main part Bar constitutes more than 10 degree with the axis direction of described header, the angle of less than 70 degree.

3. a chiller, including inlet tube, outlet, at least two header and multiple with The flat tube of described header connection, is provided with fin between adjacent described flat tube, described header and flat Pipe forms fluidly connecting between described inlet tube and described outlet；It is characterized in that: described cooling dress Putting and also include baffle plate, described baffle plate fits together with described header with being relatively fixed, and described baffle plate On do not offer through hole；Described baffle plate includes that main part, the shape of described main part are the bending tabulars of arc, Including recessed curved surfaces and the curved surfaces of protrusion, and at least one of the curved surfaces of described protrusion The tangent line of the point on subregion constitutes more than 10 degree with the axis direction of header, the angle of less than 70 degree.

4. the chiller as described in any one in claim 1-3, it is characterised in that: described baffle plate Also including the location division installed with being relatively fixed with described header, described location division is by described main part A part bend and the flat panel like portion that formed relative to other parts of described main part, be positioned at described One end of main part.

5. chiller as claimed in claim 4, it is characterised in that: the side of described header is offered Have that multiple connecting hole, a part for described location division are inserted and secured in the plurality of connecting hole one In connecting hole；Described flat tube inserts in remaining described connecting hole, via described connecting hole and described afflux Pipe connects.

6. the chiller as described in claim 4 or 5, it is characterised in that: described chiller also wraps Including end cap, described end cap is arranged on one end of described header and described header is provided with described end One end of lid is closed；The other end of described header is not provided with described end cap, and described baffle plate is adjacent to described collection One end being not provided with described end cap of flow tube is arranged, and by the part space interior of described header with extraneous Separate.

7. the chiller as described in claim 4 or 5, it is characterised in that: described chiller also wraps Including end cap, the quantity of described end cap is two, and said two end cap is separately positioned on the two of described header Holding and respectively by the closed at both ends of described header, a part for described location division is fixed on said two end On in lid one.

8. chiller as claimed in claim 7, it is characterised in that: described chiller also includes auxiliary Location structure, described auxiliary location structure is helped to include projection and pit, described location division and be used for fixing institute The one stated in the described end cap of location division is provided with described projection, and another one is provided with described pit, described convex Rise and be inserted and secured in described pit.

9. the chiller as described in any one in claim 1-3, it is characterised in that: described cooling Device also includes that end cap, the quantity of described end cap are two, and said two end cap is separately positioned on described collection The two ends of flow tube respectively by the closed at both ends of described header, a part for described baffle plate is fixed on described On in two end caps one.

10. the chiller as described in any one in claim 1-3, it is characterised in that: described gear Plate is relatively near apart from one end of described header, apart from described header the other end farther out；Described cooling dress Putting and also include end cap, described end cap is arranged on one end farther out of baffle plate described in the distance of described header will This end seal is closed；The nearer one end of baffle plate described in the distance of described header is not provided with described end cap, described gear Plate is arranged adjacent to one end being not provided with described end cap of described header, and by the part of described header Space, portion separates with extraneous.