CN2540306Y

CN2540306Y - Plate of vehicle air conditioner evaporimeter

Info

Publication number: CN2540306Y
Application number: CN 02216657
Authority: CN
Inventors: 杨秉惠
Original assignee: LUO QIANGMIAN
Current assignee: LUO QIANGMIAN
Priority date: 2002-04-06
Filing date: 2002-04-06
Publication date: 2003-03-19
Anticipated expiration: 2012-04-06

Abstract

The utility model relates to a box sheet plate of vehicle air-conditioner evaporator, belonging to air-conditioner technical field, for resolving the problems of prior vehicle air-conditioner evaporator as low heat exchange efficiency and large volume. The box sheet plate is rectangle sheet which inner side s arranged with a protruded edge, two ends of the plate are respectively arranged with an air room, the inner side of the plate is arranged with a plurality of protruded bars longitudinally, two ends of the plate are respectively arranged with two air rooms independently, two air rooms on at least one end are arranged with a channel between. When uses the box sheet plate to form evaporator, user first clamps the inner sides of two plates together, and welds the protruded edges of the plates into one unit, then laminates all units to form an evaporator. The utility model can form different types to improve heat exchange efficiency of evaporator, which arranges protruded bars on plate, to pass coolant through whole box sheet plate, to avoid heat exchange blind area on the box sheet plate.

Description

The box sheet plate of automobile air-conditioning evaporator

Technical field

The utility model belongs to the A/C technical field, the evaporator in particularly a kind of motorcar air conditioner.

Background technology

In motorcar air conditioner, its evaporator adopts the structure of pipe type or corrugated tube type usually." the incorgruous superimposed band-tube evaporator " that provides as Chinese patent 99252301X is exactly wherein a kind of.Every group of flat tube two ends of this evaporator all have collector tube exit end and collector tube entrance point; Two groups of flat tubes adopt vertical front and back superimposed; The collector tube exit end of one group of flat tube is communicated with another group collector tube exit end by freeing pipe; The collector tube entrance point of one group of flat tube is communicated with the collector tube entrance point of another group by feed tube.In fact, no matter be to adopt the corrugated tube type or the structure of pipe type, the heat exchange efficiency of its evaporator is all very low, and volume is big, poor refrigerating capability.

At present, the stacked structure of evaporator employing is a kind of advanced mode.In the evaporator of this structure, whole evaporator is to form by some film magazine sheet flaggies are folded.In use, refrigerant enters in the evaporator after atomizing, carries out interchange of heat with the air in the evaporator outside.Obviously, the heat exchange efficiency of the evaporator of this structure will be higher than corrugated tube type or pipe type evaporator.But existing laminated evaporator still exists many weak points in use, mainly shows:

1, because box sheet plate has only on one side gas dome is arranged, another side does not have, and causes refrigerant to form bias current in evaporator, makes several regions form the heat exchange blind area;

2, two film magazine sheet plates fasten the welding manner that adopts the point-like projection, and air side flowing water is not smooth, form the water bridge, influence heat exchange;

3, box chip architecture complexity, product function is single, and productive costs is risen significantly.

These defectives not only make the heat exchange effect of evaporator not give full play to, and have directly influenced the refrigerating capacity of air-conditioning, and the cost of product height, influence it and apply.

Summary of the invention

The purpose of this utility model is at present existing the problems referred to above of used for automobile air conditioning evaporator, and a kind of box sheet plate of structure improved automobile air-conditioning evaporator is provided, make it have simple in structure, heat exchange efficiency is high, prevent that advantages such as bias current from appearring in refrigerant.

For achieving the above object, the utility model has adopted following technical proposal: the schistose texture that the plate body of the box sheet plate of this automobile air-conditioning evaporator is rectangle, there is the convex edge of a protrusion at the medial surface edge of plate body, all there is gas dome at the both ends of plate body, and the medial surface of plate body longitudinally is provided with some convex tendons.

In above-mentioned box sheet plate, respectively there are two independently gas domes at the two ends of plate body, and have at least between two gas domes of an end passage is arranged.

When adopting this box sheet plate to constitute evaporator, at first be that the medial surface of two film magazine sheet plates snaps together in opposite directions, become one unit by soldering at the place, convex edge of plate body; Then, each unit is superimposed, and just constitutes an evaporator.

In evaporator, the gas dome at plate body two ends can communicate.Refrigerant enters in the gas dome after atomizing.The entrance and exit of refrigerant both can plate body same end, also can be in the two ends of lamellar body respectively.

When two film magazine sheet plates snapped together, the convex edge at plate body edge was in contact with one another, be superimposed together, and the then alternate setting of the convex tendon of plate body medial surface, the gap of passing through for refrigerant is left in the centre.Refrigerant carries out interchange of heat by the gap between convex tendon and with the air in the box sheet plate outside.

In above-mentioned box sheet plate, the convex edge the height on the plate body be convex tendon on plate body the height half.Like this, when two film magazine sheet plates snapped together, the edge of plate body and convex tendon place can be in sealing state simultaneously.

In above-mentioned box sheet plate, the centre of plate body longitudinally is provided with a raised line consistent with the convex edge height.Can be at the raised line place by soldering, with mechanical strength and the reliability that increases whole evaporator.

In above-mentioned box sheet plate, there is the lateral surface place of two gas domes that the connection socket is arranged in four gas domes.Be exactly to connect socket by these to connect together between each box sheet plate unit, and play sealing function.

In above-mentioned box sheet plate, four gas domes can all be conductings both, also can be to have one to four to be the structure of not conducting.This has constituted box sheet plate and has had multiple pattern.

Because this box sheet plate has multiple pattern, so the evaporator that adopts this box sheet plate to make can constitute multiple flow pattern.Adopt the structure of a not conducting of the end conducting other end as gas dome in the box sheet plate, after refrigerant flow to other end gas dome by a gas dome of an end of box sheet plate unit, because the not conducting of gas dome of the other end, return another gas dome of box sheet plate outflow end after making refrigerant by the passage between two gas domes, enter again in the next box sheet plate unit.The evaporator that this sharp structure constituted belongs to and builds up the lamination type evaporator, and its formed liquid form is a U type flow pattern.Also having a kind of mode is that two gas domes of box sheet plate one end in a box sheet plate unit are conducting structure not, and two gas domes of the other end of another box sheet plate also are conducting structure not, and other gas dome is conducting structure.This, after refrigerant is entered by an end gas dome of box sheet plate unit, behind the gap between convex tendon, directly enter next box sheet plate unit by the other end.The evaporator that this structure constituted belongs to stacked evaporator, and its formed liquid form is an I type flow pattern.

Compare with traditional structure, the automobile air-conditioning evaporator that the box sheet plate that adopts the utility model to provide constitutes has following advantage:

1, because box sheet plate can arbitrary combination, constitute various flow pattern, implementation structure optimization, the flow process that can prolong refrigerant improves the heat exchange efficiency of evaporator.

2, in this box sheet plate, plate body is the convex tendon that bar shaped longitudinally is set, and refrigerant is passed through by the gap between convex tendon, so refrigerant will can not form bias current by whole box sheet plate in use, makes box sheet plate not have the heat exchange blind area.

3, utilize the structural change combination of gas dome conducting in the box sheet plate or not conducting, just can constitute multi-form evaporator, realize different flow patterns, to satisfy the needs of different air conditioning for automobiles structures, therefore solved traditional box chip architecture complexity, product function is single and defect of high cost, makes that this box sheet plate structure is simple, cost of product is low.

Description of drawings

Fig. 1 is the medial surface front view of the box sheet plate that provides of the utility model.

Fig. 2 is the local section enlarged drawing of Fig. 1 along A-A.

Fig. 3 is the local section enlarged drawing of Fig. 1 along B-B.

Fig. 4 is the local section enlarged drawing of Fig. 1 along C-C.

Fig. 5 is the local section enlarged drawing of Fig. 1 along D-D.

Fig. 6 is the lateral surface front view of the box sheet plate that provides of the utility model.

Fig. 7 is the lateral surface front view of the box sheet plate of the another kind of pattern that provides of the utility model.

Fig. 8 is the lateral surface front view of the box sheet plate of another pattern of providing of the utility model.

Fig. 9 is the structural representation of the automobile air-conditioning evaporator that constitutes of the box sheet plate that adopts the utility model to provide.

Among the figure, 1, plate body; 2, convex edge; 3, convex tendon; 4, gas dome; 5, passage; 6, raised line; 7, connect socket.

The specific embodiment

As shown in Figure 1, the box sheet plate that provides of the utility model comprises plate body 1 and gas dome 4.Plate body 1 is rectangular schistose texture, and there is convex edge 2 at its edge.In the present embodiment, it is that material is made that plate body 1 adopts aluminum alloy.

Plate body 1 medial surface longitudinally is provided with some convex tendons 3.The centre of plate body 1 medial surface is a raised line 6.As shown in Figure 1, convex tendon 3 quantity of raised line 6 both sides are identical, and distribute with the spacing that equates, in the two piece convex tendons 3 adjacent with raised line 6, the distance of convex tendon 3 and raised line 6 equals the spacing of 3 of above-mentioned convex tendons, and the distance of another root convex tendon 3 and raised line 6 is 3 spacings of above-mentioned convex tendon half.In the present embodiment, each side of raised line 6 all has three convex tendons 3.After adopting such structure, when two box sheet plates snapped together, the convex tendon 3 of plate body 1 medial surface will alternately be provided with, and the centre is left identical gap and passed through for refrigerant.

As shown in Figure 2, on plate body 1, the height of convex edge 2 and raised line 6 is half of convex tendon 3 height.Because when two box sheet plates snap together, convex edge 2 and raised line 6 on two box sheet plates are superimposed together mutually, convex tendon 3 is then separately staggered, so can make two box sheet plates in the convex edge 2, raised line 6 and convex tendon 3 places closed contact simultaneously, after soldering, be in sealing state, thus can effluent or leakage when refrigerant is passed through.

As shown in Figure 1, respectively there are two gas domes 4 at the two ends of box sheet plate plate body 1.In the present embodiment, the shape approximation of gas dome 4 endoporus is oval.In four gas domes 4, there is the lateral surface of two gas domes 4 that the socket 7 of connection is arranged usually, see Fig. 3 and shown in Figure 6; And the lateral surface of two gas domes 4 does not connect socket 7 in addition, sees shown in Figure 4.In the present embodiment, these two have the two ends that the gas dome 4 that connects socket 7 is in box sheet plate plate body 1.In addition, these two to have the same end that the gas dome 4 that connects socket 7 is in box sheet plate plate body 1 also be feasible.Connection between the box sheet plate unit realizes by these being connected in the pairing gas dome 4 of socket 7 insertions.

In this box sheet plate, four gas domes 4 can be all conductings fully, see shown in Figure 6; Also can be that a structure to four not conductings is arranged.As shown in Figure 7, two not conductings are arranged on the box sheet plate; As shown in Figure 8, four gas dome 4 all not conductings on the box sheet plate.Four gas domes 4 all box sheet plate of not conducting are the end positions that is used for evaporator.

By the conducting whether variation of gas dome 4 in the box sheet plate, make box sheet plate have multiple pattern.The box sheet plate of different types can make evaporator constitute multiple flow pattern by combination mutually.As the U type flow pattern of lamination type evaporator and the I type flow pattern of stacked evaporator.As Fig. 1 and shown in Figure 5, in the lamination type evaporator of U type flow pattern, refrigerant is by the passage 5 between two gas domes 4 of box sheet plate plate body 1 one ends, is back to another gas dome 4 of outflow end.

As shown in Figure 9, when adopting this box sheet plate to constitute evaporator, at first be that per two box sheet plates fasten in opposite directions, become a box sheet plate unit by soldering; Each box sheet plate unit connects together by connecting socket 7 then, becomes complete A/C evaporator.The evaporator that the box sheet plate that adopts the utility model to provide is made can be used in the A/C of various types of motorcar air conditioners and other walking machine.

Claims

1, a kind of box sheet plate of automobile air-conditioning evaporator, the schistose texture that its plate body (1) is rectangle, there is the convex edge (2) of a protrusion at the medial surface edge of plate body (1), all there is gas dome (4) at the both ends that it is characterized in that described plate body (1), and the medial surface of plate body (1) longitudinally is provided with some convex tendons (3).

2, the box sheet plate of automobile air-conditioning evaporator according to claim 1 is characterized in that respectively there are two independently gas domes (4) at the two ends of described plate body (1), and has at least between two gas domes (4) of an end passage (5) is arranged.

3, the box sheet plate of automobile air-conditioning evaporator according to claim 2 is characterized in that the height of described convex edge (2) on plate body (1) is that convex tendon (3) is gone up half of height at plate body (1).

4, the box sheet plate of automobile air-conditioning evaporator according to claim 3, the centre that it is characterized in that described plate body (1) longitudinally be provided with one with convex edge (2) highly consistent raised line (6).

5,, it is characterized in that having in described four gas domes (4) the lateral surface place of two gas domes (4) that connection socket (7) is arranged according to the box sheet plate of claim 2,3 or 4 described automobile air-conditioning evaporators.

6, according to the box sheet plate of claim 2,3 or 4 described automobile air-conditioning evaporators, it is characterized in that described four gas domes (4) can all be conductings both, also can be has one to four to be the structure of not conducting.

7, the box sheet plate of automobile air-conditioning evaporator according to claim 4, convex tendon (3) quantity that it is characterized in that described raised line (6) both sides is identical, and distribute with the spacing that equates, in the two piece convex tendons (3) adjacent with raised line (6), the distance of a convex tendon (3) and raised line (6) equals the spacing between above-mentioned convex tendon (3), and the distance of another root convex tendon (3) and raised line (6) is half of spacing between above-mentioned convex tendon (3).

8, according to the box sheet plate of claim 2,3 or 4 described automobile air-conditioning evaporators, the shape approximation that it is characterized in that described gas dome (4) endoporus is for oval.

9, the box sheet plate of automobile air-conditioning evaporator according to claim 5 is characterized in that described two have the two ends that the gas dome (4) that connects socket (7) is in box sheet plate plate body (1).

10, the box sheet plate of automobile air-conditioning evaporator according to claim 5 is characterized in that described two have the same end that the gas dome 4 that connects socket (7) is in box sheet plate plate body (1).