CN101368802A

CN101368802A - Tank structure for heat exchanger

Info

Publication number: CN101368802A
Application number: CNA2008101618078A
Authority: CN
Inventors: 新滨正刚
Original assignee: Calsonic Kansei Corp
Current assignee: Marelli Corp
Priority date: 2005-10-05
Filing date: 2006-09-20
Publication date: 2009-02-18
Also published as: CN1945195A; KR20070038401A; US20070074860A1; CN100458352C; JP2007101088A

Abstract

The present invention provides a case structure for a heat exchanger, which can implement simplification and compact of each composition component shape and reduce of component number; when fixing by a bracket for fixing vehicle through a position limitation component, or by brazing, a relative displacement of two plates in the length direction can be limited to avoid misposition. A case structure of the heat exchanger, composed of tanks equipped with a tube plate (8), a tank plate (9), and at least two partition plates (D1-D4 (D5 to D8)), where the tube plate, the tank plate and the partition plates are integrally fixed by a brazing fixed integral case (1(2)), has a position limitation component for limiting the relative movement of the two plates (8, 9) in the length direction.

Description

The box structure of heat exchanger

The application be that September 20, application number in 2006 are 200610152222.0 the applying date, denomination of invention divides an application for the application of " box structure of heat exchanger ".

Technical field

The present invention relates to a kind of box structure of heat exchanger.

Background technology

In the past, known hot swapping had: heat exchanger has by a pair of case and a plurality of core that pipeline between this a pair of case and fin constitute (opening clear 57-38169 communique with reference to Japan is real) that is disposed at.In addition, the structure of case in recent years is for to have: pass and fix duct board that the end of each pipeline and cross section form U-shaped roughly, overlap on the duct board and the cross section forms boxboard, and at least two demarcation strips between two plates of U-shaped shape roughly to fasten shape.Constitute by this, can seek the quantity of simplicity, densification and the minimizing member of each member of formation shape.

In addition, in the box structure of this heat exchanger, installed in standard under the state of two plates and demarcation strip, be inserted into the inboard of this two plates length direction end and it after accurate fixing, is fixedly comprised this vehicle boarded whole case with carriage by soldering at carriage with vehicle boarded usefulness.

Summary of the invention

But, there are the following problems in the box structure of in the past heat exchanger: with the inboard of the vehicle boarded length direction end that is inserted into two plates with carriage and it is accurate fixedly the time, when perhaps using soldering to be fixed, two plates relatively move and produce malposition at length direction.

Therefore, though can think the position of using anchor clamps to limit two plates, this moment, loading and unloading clamp was lost time, and caused the production rate low.

The present invention proposes in order to address the above problem, its objective is the box structure that a kind of heat exchanger is provided, it is at the simplicity of seeking each member of formation shape, densification and when reducing the quantity of member, when using carriage by the accurate fixed vehicle lift-launch of position limiting part, or when using soldering to be fixed, can limit two plates and prevent to produce malposition, thereby can realize that good soldering fixes, improve the quality and the reliability of product relatively moving of length direction.

Heat exchanger box structure in the technical scheme 1 of the present invention, it has by a pair of case and a plurality ofly is disposed at the core that pipeline between this a pair of case and fin constitute; Its duct board by the end of passing and be fixed with each pipeline, with fasten shape overlap on the aforementioned tube guidance tape boxboard, and at least two demarcation strips between two plates constitute; It, is characterized in that: have the position limiting part that relatively moves that is limited in above-mentioned two plate length directions by the fixing whole case of soldering accurate the installation under the state of above-mentioned two plates and demarcation strip at least.

The box structure of the heat exchanger in the technical scheme 1 of the present invention, it has by a pair of case and a plurality ofly is disposed at the core that pipeline between this a pair of case and fin constitute; Above-mentioned case by the duct board that passes and be fixed with each pipe end, with fasten shape overlap boxboard on the aforementioned tube guidance tape, and at least two demarcation strips between above-mentioned two plates constitute; It is accurate the assembling under the state of above-mentioned two plates and demarcation strip at least, by the fixing whole case of soldering.Because it has the position limiting part that relatively moves of the above-mentioned two plate length directions of restriction, so at the simplicity of seeking each member of formation shape, densification and when reducing the quantity of member, when using carriage by the accurate fixed vehicle lift-launch of position limiting part, perhaps when using soldering to be fixed, can limit two plates relatively moving and prevent to produce malposition in the longitudinal direction, thereby can realize that good soldering fixes, improve product quality and reliability.

Description of drawings

Fig. 1 is the front view of the heat exchanger of the embodiment of the invention 1.

Fig. 2 is the cutaway view of the case inside of explanation present embodiment 1.

Fig. 3 is the exploded view of the case of present embodiment 1.

Fig. 4 is near the exploded perspective view the A scope among Fig. 1.

Fig. 5 is near the exploded perspective view the B scope among Fig. 1.

Fig. 6 is the stereogram of the case assembling of explanation present embodiment 1.

Fig. 7 is the stereogram of the case assembling of explanation present embodiment 1.

Fig. 8 is the stereogram of the case assembling of explanation present embodiment 1.

Fig. 9 is the stereogram of the case assembling of explanation present embodiment 1.

Figure 10 is the exploded perspective view of the case of present embodiment 2.

Figure 11 is the stereogram of the case assembling of explanation present embodiment 2.

Figure 12 is the cutaway view of the case inside of another embodiment of explanation.

Figure 13 is the cutaway view of the case inside of the another embodiment of explanation.

The specific embodiment

Below, embodiments of the invention are described with reference to the accompanying drawings.

Embodiment 1

Below, embodiment 1 is described.

In embodiment 1, illustrate the situation of heat exchanger applications in condenser.

Fig. 1 is the front view of the heat exchanger of the embodiment of the invention 1, Fig. 2 is the cutaway view of the case inside of explanation present embodiment 1, Fig. 3 is the exploded view of the case of present embodiment 1, Fig. 4 is near the exploded perspective view the A scope among Fig. 1, Fig. 5 is near the exploded perspective view the B scope among Fig. 1, and Fig. 6～9th illustrates the stereogram of assembling of the case of present embodiment 1.

At first, overall structure is described.

As shown in Figure 1, adopt the heat exchanger of box structure of the heat exchanger of present embodiment 1 to have a pair of

case

1,2 and be disposed at core 3 between this a pair of

case

1,2.

As shown in Figure 2, the inside of case 1 forms chamber R1, R3, R6 by separating with demarcation strip D1, D2, D3, D4.

Similarly, the inside of case 2 is by demarcation strip D5, D6, D7, D8 separation formation chamber R2, R4, R5.

In addition, in case 1, be respectively equipped with connector P1 that is communicated with chamber R1 and the connector P2 that is communicated with chamber R6.

On case 2, be fixed with the accumulator tank 12 that is communicated with chamber R4, R5 by tube connector 12a, 12b with carriage B1.

And it is vehicle boarded with carriage T1～T4 that the length direction both ends of

case

1,2 are provided with aftermentioned.

Core 3 is made of a plurality of pipeline 5 and fin 6 a plurality of and each pipeline 5 alternate configurations that pass and be fixed on the duct board 8 of

aftermentioned case

1,2, and its upper and lower end parts connects reinforcement with a pair of reinforcement 7a, the 7b that passes and be fixed on the

case

1,2.

Describe the structure of case 1 below in detail.

Shown in Fig. 3～5, case 1 is the duct board 8 of roughly U-shaped by the cross section, and the cross section is the boxboard 9 of roughly U-shaped, and tabular demarcation strip D1, D2, D3, D4 between two

plates

8,9 are vehicle boarded with carriage T1, T2, and connector P1, P2 constitute.

In addition, on duct board 8, be formed with the pipe hole 4 that a plurality of each pipeline 5 for cores pass and are fixed.

As shown in Figure 4, at the length direction both ends of case 1, duct board 8 also is formed with a pair of the 1st protuberance 8b, the 8b that is formed by a pair of notch part 8a except forming length direction is grown than boxboard 9 at its length direction both ends.

In addition, shown in Fig. 4,5, in case 2, on the position of configuration demarcation strip D1～D4, on boxboard 9, be formed with the peristome 9a that inserts the protuberance 10 of demarcation strip D1～D4 respectively with corresponding, the big I of D1～D4.

And, in the inboard of duct board 8 with paired and outstanding state, be provided with half-terete fastening stage portion 8c, this paired fastening stage portion 8c core side upper surface part of the corresponding with it demarcation strip D1～D4 of clamping and core side lower surface respectively is a part of and can be with its fastening.In addition, fastening stage portion 8c is not limited thereto shape.

In addition, be formed with manyly to claw 8e with predetermined distance in its length side, duct board 8 upper edge, this claw 8e makes pipeline pipe 8 have a pair of notch part 8d and to boxboard 9 one side-prominent forming.The shape of claw 8e, formation position and formation quantity can suitably be set.

In addition, the boxboard 9 of case 1 is provided with the intercommunicating pore (not shown) that can be communicated with the connecting hole of connector P1, P2, the boxboard 9 of case 2 be provided with can with the tube connector 12a of accumulator tank 12, the intercommunicating pore (not shown) that 12b is communicated with.

Thereby, all the structure with container-like is different for two

plates

8,9, all be provided with opening at its length direction both ends, so by die-cut notch part 8a, claw 8e, peristome 9a, and the intercommunicating pore of processing on the sheet material of aluminum in advance, and after its whole punch process become U-shaped, with specific length it is cut off such simple operations at length direction and can produce in large quantity.

Vehicle boarded is the carriage that is used for heat exchanger is fixed in the not shown radiator of vehicle side and radiator core support etc. with carriage T1, T2, its by the discoid pedestal 11a of portion, from the 11a of this pedestal portion to opposite with case 1 one side-prominent columned equipped section 11b, constitute to case 1 one side-prominent columned fixed part 11c from the 11a of this pedestal portion.

In addition, vehicle boardedly be not limited to this shape with carriage T1, T2, can be according to carrying out suitable design alteration to the shape at concrete position toward the fixing fixed structure of vehicle side.

In addition, the member of formation of the heat exchanger in the present embodiment 1 all is an aluminum, and at least one side is provided with the composite bed (reinforcement thin plate) that is made of solder in the junction surface of each member of formation.

And, when making case 1, at first shown in Fig. 6,7, demarcation strip D1～D4 is clipped under the state between two

plates

8,9, with the protuberance 10 of each demarcation strip D1～D4 insert boxboards 9, respectively with their 9a of corresponding opening portion in, and with demarcation strip D1～D4 fastening on duct board 8, corresponding fastening stage portion 8c with them, thereby make two

plates

8,9 to fasten shape overlaid (with reference to Fig. 2).

At this moment, in the length direction end of duct board 8, the

1st protuberance

8b, 8b become the state of giving prominence to length direction from the length direction both ends 9b of boxboard.

Then, as shown in Figure 8,, the 1st protuberance 8b, the 8b of duct board 8 bent to the inside at the length direction both ends of case 1, make its near or abut to the length direction end 9b of boxboard.

Then, as Fig. 8, shown in Figure 9, each claw 8e bending of duct board 8 is pressed on the outer peripheral face of a part that is fixed in boxboard 9 and after being fixed, vehicle boarded fixed part 11c with carriage T1, T2 that will be corresponding with them is inserted into the inboard of the length direction end of case 1, specifically is between two

plates

8,9 and it is accurate fixing.

At this, in invention in the past, there is such problem, promptly with the inboard of the vehicle boarded length direction end that is inserted into two plates with carriage and it is accurate fixedly the time, thereby two plates are in the length direction generation malposition that relatively moves.

But, in the box structure of the heat exchanger of present embodiment 1, owing to bending to the inside, the

1st protuberance

8b, 8b with duct board make its length direction end 9b near boxboard, so two

plates

8,9 will be when length direction relatively moves because of vehicle boarded insertion resistance with carriage T1, T2, can make length direction end 9b contact and limit its position, can prevent the malposition of two

plates

8,9 thus with the

1st protuberance

8b, 8b.

In addition,, therefore its outside that is coated at the length direction end of case 1 is compared, can be made the periphery position compacter with the shape of change fixed part 11c because vehicle boarded fixed part 11c with carriage T1, T2 is inserted into the inboard of the length direction end of case 1.

That is, in present embodiment 1, the

1st protuberance

8b, 8b become restriction two

plates

8,9 at position limiting part that length direction relatively moves.

And, the position of the fastening stage portion 8c of the peristome 9a of boxboard 9 and duct board 8 restriction demarcation strip D1～D4, its result, they play a role at position limiting part that length direction relatively moves as limiter tube guidance tape 8 and boxboard 9.

In present embodiment 1, as the position limiting part, use the combination of the

1st protuberance

8b, 8b and peristome 9a and fastening stage portion 8c simultaneously, but which side no matter uses, can be as limiter tube guidance tape 8 and boxboard 9 at position limiting part that length direction relatively moves and play a role.

In addition, the structure of case 2 and manufacturing are compared with case 1, and except the configuration difference of demarcation strip D6, D7 and be provided with the accumulator tank 12, all the other are roughly the same, so omit its explanation.

Standard is fixed with two connector P1, P2 on the case 1 of this calibration assembling, accumulator tank 12 is fixed on the case 2 by standard after, by with the pipeline 5 of core 3, fin 6, and reinforcement 7a, 7b in not shown heating furnace, heat-treated by conveyance by the state that standard fits together, thereby the junction surface of each member of formation is fixed by soldering and is formed as one.

In addition, can carry out the standard assembling of two connector P2, P3, core 3, accumulator tank 12 by suitable operation with respect to

case

1,2.

Then, heat exchanger is carried on vehicle in that vehicle boarded equipped section 11b with carriage T1～T4 is fixed under the state of not shown radiator centre carriage; Through the connecting hole of connector P1 and never illustrated compressor side flow into about about the 70 ℃ circulation medium among the chamber R1 of case 1, during flowing through each pipeline 5 corresponding of core 3 with chamber R1, R2, exercise after pressure wind that wind or fan produce carries out heat exchange by fin 6 and through the vehicle of core 3, flow into the chamber R2 of case 2.

In addition, circulation medium in the R2 of chamber flows through each pipeline 5 corresponding with chamber R2, R3 of core 3 and flow into the chamber R3 of case 1, then, circulation medium in the R3 of chamber is during flowing through each pipeline 5 corresponding with chamber R3, R4 of core 3, exercise after pressure wind that wind or fan produce carries out heat exchange by fin 6 and through the vehicle of core 3, flow into the chamber R4 of case 2.

Then, circulation medium in the R4 of chamber is through tube connector 12a carries out gas-liquid separation in accumulator tank 12 after, flow into chamber R5 through tube connector 12b, then, the circulation medium of chamber R5 is during flowing through each pipeline 5 corresponding with chamber R5, R6 of core 3, exercise after pressure wind that wind or fan produce carries out heat exchange by fin 6 and through the vehicle of core 3, be cooled to about about 45 ℃ after, flow into the chamber R6 of case 1.

At last, the circulation medium of chamber R6 is discharged to not shown evaporimeter one side from the connecting hole of connector P2, plays a role as condenser.

Below, the effect of present embodiment is described.

As mentioned above, in the box structure of the heat exchanger of present embodiment 1, have by a pair of

case

1,2 and a plurality ofly be disposed at the core 3 that pipeline 5 between this a pair of

case

1,2 and fin 6 constitute; Case 1 (2) is by the duct board 8 that passes and be fixed with each pipeline 5 end, overlap boxboard 9 on the duct board 8, and at least two demarcation strip D1～D4 (D5～D8) constitute between two

plates

8,9 to fasten shape; Two

plates

8,9 and demarcation strip D1～D4 have been assembled (under the state of D5～D8), in standard at least by the fixing whole case 1 (2) of soldering; Owing to have restriction two

plates

8,9 at position limiting part that length direction relatively moves, so can seek the quantity of simplicity, densification and the minimizing member of each member of formation shape, and when accurate fixed vehicle carries with carriage T1, T2 (T3, T4), can limit two

plates

8,9 by the position limiting part relatively moves at length direction and prevents to produce malposition, thereby can realize that good soldering fixes, improve the quality and the reliability of product.

In addition, with the position limiting part become either party length direction end from duct board 8 or boxboard 9 to length direction outstanding and it is bent to the inside and become near or be connected to the 1st protuberance 8b, the 8b that the opposing party's length direction end forms, therefore have simple structure, can prevent both malpositions.

In addition, by restriction demarcation strip D1～D4 (position of D5～D8), thereby limit two

plates

8,9 the relatively moving of length direction, can prevent that therefore (D5～D8) rock and produce malposition can limit two plates, 8,9 relatively moving at length direction simultaneously to demarcation strip D1～D4.

Embodiment 2

Below, embodiment 2 is described.

Figure 10 is that three-dimensional exploded view amplifies in the portion that wants of the case of present embodiment 2, and Figure 11 is the stereogram of same figure.

In addition, in present embodiment 2, the identical Reference numeral of member of formation mark to identical with embodiment 1 omits its explanation, and difference only is described.

As shown in figure 10, in the box structure of the water heater of present embodiment 2,, be formed with length direction length 2nd protuberance 20 longer that makes duct board 8 than the length of boxboard 9 at the length direction both ends of

case

1,2.

In addition, in couples be provided with half-terete lug boss 21 towards boxboard 9 one sides with outstanding state in the 2nd protuberance 20 inboards.In addition, lug boss 21 is not limited to semi-cylindrical.

And, as shown in figure 11, when making case 1, when with two

plates

8,9 when fastening the shape overlaid, on the length direction end of duct board 8, the 2nd protuberance 20 becomes from the length direction end 9b of boxboard to the outstanding state of length direction, and the lug boss 21 of the 2nd protuberance 20 is outstanding to the inside simultaneously, and becomes butt or be close to the state of the length direction end 9b of boxboard.

Thereby, with vehicle boarded when being inserted into the length direction both ends of case 1 (2) respectively with carriage T1, T2 (T3, T4), even two

plates

8,9 will be when the length direction generation relatively moves, by making lug boss 21 contact the position of limiting both, thereby can prevent the malposition of two

plates

8,9 with the length direction end 9b of boxboard.

That is, in present embodiment 2, the lug boss 21 of the 2nd protuberance 20 becomes restriction two

plates

8,9 at position limiting part that length direction relatively moves.

In addition, in present embodiment 2, as the position limiting part, though use the combination of lug boss 21 and the peristome 9a and the fastening stage portion 8c of the 2nd protuberance 20 simultaneously, but which side no matter uses, all as limiter tube guidance tape 8 and boxboard 9 at position limiting part that length direction relatively moves and play a role.

As mentioned above, in the present embodiment 2, with the position limiting part become from the 2nd protuberance 20 outstanding to the inside and near or be connected to the lug boss 21 of the opposing party's length direction end, the 2nd protuberance 20 is outstanding to length direction from either party length direction end of duct board 8 or boxboard 9, therefore have simple structure, can prevent the malposition of two

plates

8,9.

More than, although understand embodiment, but the present invention is not limited to the foregoing description, the design alteration etc. that does not break away from main idea scope of the present invention is included among the present invention.

For example, can suitably set concrete shape, formation position and the formation quantity of the

1st protuberance

8b, 8b, the 2nd protuberance 20, lug boss 21 etc.

In addition, in the present embodiment, the fastening stage portion 8c of duct board 8 is arranged to the case side upper surface part of clamping demarcation strip and case side lower surface is a part of and with its fastening, but more demarcation strip is set and when increasing the number of passages of circulation medium on case, as shown in figure 12, by inboard a pair of fastening stage portion 30 is set each other at two demarcation strips, perhaps as shown in figure 13, in the outside of two demarcation strips a pair of fastening stage portion 31 is set each other, but also limiter tube guidance tape 8 and boxboard 9 relatively moving thus at length direction.

In addition, in the present embodiment, be formed with the

1st protuberance

8b, 8b, the 2nd protuberance 20, reach lug boss 21 etc. in duct board 8 one sides, but also they can be arranged on boxboard 9 one sides.

And, in the present embodiment, illustrated, but also can be applicable to heat exchangers such as radiator the example of heat exchanger applications in condenser.

Claims

1. the box structure of a heat exchanger, it has a pair of case, and is disposed at the core that pipeline between this a pair of case and fin constitute by a plurality of; By pass for each pipe end and duct board that this each pipe end is fixing, with fasten shape overlap boxboard on the aforementioned tube guidance tape, and at least two demarcation strips between above-mentioned two plates constitute above-mentioned case; Under the state of accurate at least above-mentioned two plates of assembling and demarcation strip, fix whole case by soldering; It is characterized in that,

Have above-mentioned two plates of restriction at the position limiting part that length direction relatively moves,

The 2nd protuberance is that either party length direction end forms to length direction is outstanding from duct board and boxboard, above-mentioned position limiting part is become jut, this jut from above-mentioned the 2nd protuberance outstanding to the inside and near or be connected to the length direction end of the opposing party duct board and the boxboard.