CN105783345A

CN105783345A - Condenser

Info

Publication number: CN105783345A
Application number: CN201610255688.7A
Authority: CN
Inventors: 周林森; 唐晨凌; 黎燕; 邓智洪; 张强; 黄丽颖
Original assignee: Chongqing Chaoli Hi Tech Co Ltd
Current assignee: Chongqing Chaoli Hi Tech Co Ltd
Priority date: 2016-04-20
Filing date: 2016-04-20
Publication date: 2016-07-20

Abstract

The invention discloses a condenser, and belongs to the field of heat exchange devices. The condenser comprises a first collecting pipe, a second collecting pipe, a filter, a flat pipe and wavy fins, wherein the flat pipe is 14 to 18 mm in width and 1.3 to 1.5 mm in thickness; the wave length of the fins is 6.0 to 7.4 mm; and the pitch of waves of the fins is 2.0 to 2.8 mm. According to the condenser, through adopting the manner that the plat pipe and the fins with optimal sizes are utilized on the basis of a conventional condenser technology, the heat exchange amount of the condenser in unit weight is maximized, so that a condenser product with low cost and high performance is obtained, and the defect that the cost-performance ratio is low of a conventional condenser is effectively solved.

Description

Condenser

Technical field

The present invention relates to field of heat exchange equipment, in particular to a kind of condenser.

Background technology

Condenser is the parts of the refrigeration system of air conditioning for automobiles, belongs to the one of heat exchanger, energy Gas or the steam of high temperature are transformed into liquid, by the heat in pipeline, in the way of quickly, Pass in the air of Near Pipelines.

Heat exchange amount under Unit Weight is one of important parameter weighing condenser working performance. But, at present, existing condenser is by selecting the preferable material of heat conductivity mostly Improving above-mentioned parameter, this results in the high expensive of whole condenser, and cost performance is the most inclined Low.

Summary of the invention

It is an object of the invention to provide a kind of condenser, it can be effectively improved Unit Weight Under heat exchange amount, to reduce cost, improve heat transfer effect.

Embodiments of the invention are achieved in that

A kind of condenser, it includes the first header, the second header, flat tube and wave The fin of shape, is provided with the first dividing plate in the first header, the first dividing plate is by the first header Inner chamber be divided into the first chamber and the second chamber, the first header is provided with inlet union And outlet connection, inlet union and the first chamber, outlet connection and the second chamber, Flat tube and fin all have multiple and are alternately disposed between the first header and the second header, Being provided with fluid passage in each flat tube, multiple flat tubes are divided into two groups and respectively first group With second group, the two ends of first group of flat tube respectively with the first chamber and the inner chamber of the second header Connection, the two ends of second group of flat tube respectively with the second chamber and the inner space of the second header, The width of flat tube is 14-18mm, and thickness is 1.3-1.5mm, and the wave height of fin is 6.0-7.4mm, the pitch of waves is 2.0-2.8mm.

In preferred embodiment of the present invention, the width of above-mentioned flat tube is 16mm, and thickness is 1.4mm, the wave height of fin is 6.6mm, and the pitch of waves is 2.2mm.

In preferred embodiment of the present invention, in the second header, it is provided with second partition, the The inner chamber of the second header is divided into the 3rd chamber and the 4th chamber by two dividing plates, and first group flat The two ends of pipe respectively with the first chamber and the 3rd chamber, the two ends of second group of flat tube are respectively With the second chamber and the 4th chamber, condenser also includes being arranged on the second header Filter, filter includes filtered inlet and filtering outlet, and the 3rd chamber is with filtered inlet even Logical, the 4th chamber connects with filtering outlet.

In preferred embodiment of the present invention, filter includes that filtration barrel body, filtration barrel body set It is placed on the outer wall of the second header, in filtration barrel body, is provided with the dry of multiple built-in desiccant Dry bag, filtered inlet and filtering outlet are respectively arranged on the sidewall of filtration barrel body.

In preferred embodiment of the present invention, filtration barrel body includes a body and cover, and cylinder is originally Being provided with opening on body, cover is removably connected on a body and blocks opening.

In preferred embodiment of the present invention, dry bag uses non-woven fabrics sewing to form.

In preferred embodiment of the present invention, in every flat tube, it is provided with multiple fluid passage, Multiple fluid passages are spaced setting along the width of flat tube.

In preferred embodiment of the present invention, the cross section of each fluid passage is all rectangle.

In preferred embodiment of the present invention, the outer wall of each flat tube and fin is provided with The groove of multiple arcs.

In preferred embodiment of the present invention, the quantity of first group of flat tube is second group of flat tube 3-9 times of quantity.

The embodiment of the present invention provides the benefit that:

This condenser uses the flat tube of optimum size of arranging in pairs or groups on the basis of existing condenser technology With the heat exchange amount under the Unit Weight that the mode of fin improves whole condenser, wherein, flat The width of pipe is 14-18mm, and thickness is 1.3-1.5mm, and the wave height of fin is 6.0-7.4mm, The pitch of waves is 2.0-2.8mm, by flat tube and the cooperation of fin of above-mentioned size, so that this Heat exchange amount under condenser Unit Weight maximizes, thus obtains low-cost and high-performance (high property Valency than) condenser product, effectively make up the defect that existing condenser cost performance is low.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to embodiment The accompanying drawing used required in is briefly described, it will be appreciated that the following drawings illustrate only Certain embodiments of the present invention, is therefore not construed as the restriction to scope, for ability From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to according to These accompanying drawings obtain the accompanying drawing that other are relevant.

The front view of the condenser that Fig. 1 provides for first embodiment of the invention；

The top view of the condenser that Fig. 2 provides for first embodiment of the invention；

The sectional view in the width direction of the flat tube that Fig. 3 provides for first embodiment of the invention；

The flat tube that Fig. 4 provides for first embodiment of the invention and the annexation figure of fin.

In figure:

First header 100；Inlet union 110；

Outlet connection 120；First dividing plate 130；

Second header 200；Second partition 210；

Flat tube 300；Fluid passage 310；Fin 400；

Filter 500.

Detailed description of the invention

For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will In conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly Chu, it is fully described by, it is clear that described embodiment is a part of embodiment of the present invention, Rather than whole embodiments.Generally implement with the present invention illustrated described in accompanying drawing herein The assembly of example can be arranged with various different configurations and design.

Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings not It is intended to limit the scope of claimed invention, but is merely representative of the selected reality of the present invention Execute example.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound The every other embodiment obtained under the property made work premise, broadly falls into the model of present invention protection Enclose.

It should also be noted that similar label and letter represent similar terms in following accompanying drawing, because of This, be defined in the most a certain Xiang Yi accompanying drawing, then it is right to need not in accompanying drawing subsequently It defines further and explains.

In describing the invention, it should be noted that term " on ", D score, " laterally ", " vertical To ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position Relation, or the orientation usually put or position relationship when this invention product uses, be only For the ease of describe the present invention and simplify describe rather than instruction or hint indication device or Element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage Solve as limitation of the present invention.Additionally, term " first ", " second ", " the 3rd ", " the 4th " etc. are only used Describe in distinguishing, and it is not intended that indicate or hint relative importance.

In describing the invention, in addition it is also necessary to explanation, unless otherwise clear and definite regulation and Limiting, term " is arranged ", " installation ", " being connected ", " connection " should be interpreted broadly, such as, It can be fixing connection, it is also possible to be to removably connect, or be integrally connected；It can be machine Tool connects, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to pass through intermediary It is indirectly connected to, can be the connection of two element internals.Ordinary skill people for this area For Yuan, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.

First embodiment:

Refer to Fig. 1-2, the present embodiment provides a kind of condenser, and it includes the first header 100, the second header 200, flat tube 300 and wavy fin 400.

Wherein, the first header 100 is respectively adopted circular piece sealing for cylindrical tube and two ends, Two circular piece are respectively by being welded to connect in the two ends of the first header 100.First afflux Pipe 100 be internally provided with the first dividing plate 130, the first dividing plate 130 is in the form of annular discs and edge weldering Being connected on the inwall of the first header 100, the center of circle of the first dividing plate 130 is positioned at the first afflux On the axial line of pipe 100.The inner chamber of the first header 100 is divided into by the first dividing plate 130 Two disconnected chambers of independence, the i.e. first chamber and the second chamber, wherein, the first chamber Length and volume more than the second chamber.

The inlet union 110 with the first chamber it is provided with on the outer wall of the first header 100 And with the outlet connection 120 of the second chamber, inlet union 110 and outlet connection 120 are equal Being circular L-shaped pipeline for cross section, two L-shaped pipelines all include being sequentially communicated and mutually Vertical transverse pipe and longitudinal pipe, the transverse pipe of two L-shaped pipelines is each perpendicular to the first afflux Pipe 100 and the one end away from longitudinal pipe are all welded on the outer wall of the first header 100, and two The longitudinal pipe of individual L-shaped pipeline is each parallel to the first header 100.

Global shape and first header 100 of the second header 200 are identical, all in cylinder Shape and two ends use circular piece sealing.Second header 200 is parallel with the first header 100 Arranging, both concrete spacing determine according to practical situation.

Meanwhile, the position of corresponding first dividing plate 130 in the inside of the second header 200 is provided with Second partition 210, second partition 210 is the most in the form of annular discs and edge is welded in the second header On the inwall of 200.The inner chamber of the second header 200 is divided into two solely by second partition 210 Vertical disconnected chamber, the i.e. the 3rd chamber and the 4th chamber, wherein, the length of the 3rd chamber With volume more than the 4th chamber.

Further, the outer wall of the second header 200 is welded with filter 500.Filter 500 include that filtration barrel body, filtration barrel body include the cylinder body of cylinder and discoid cover, One end of cylinder body is provided with opening, and cover is removably connected on a body and shelters from State opening.The mode removably connected has a lot, such as clamping or threaded, this reality Executing in example, the threaded mode of preferential selection assembles a body and cover.Specifically, Being provided with external screw thread on the sidewall of cover, the inwall of cylinder body is provided with near the part of opening Female thread, female thread mates with external screw thread, and so, cover just can be by external screw thread and interior It is threadedly connected on a body.

Multiple dry bag being built-in with desiccant it is provided with in filtration barrel body.Wherein, desiccant Can be calcium sulfate, calcium chloride or activated alumina etc., above-mentioned substance can effectively go Except the moisture in fluid, it is ensured that the degree of purity after filtering flow.Dry bag uses non-woven fabrics seam System forms, and non-woven fabrics, also known as adhesive-bonded fabric, is to be made up of that orient or random fiber, is A new generation's environment-friendly materials, it has protection against the tide, ventilative, pliable and tough, light weight, the most combustion-supporting, easy Decomposition, nontoxic nonirritant, the feature such as use again cheap, capable of circulation, be especially suitable for using Make the raw material of above-mentioned dry bag.

It is provided with filtered inlet and filtering outlet, filtered inlet and filtering outlet on cylinder body to divide It is not arranged at the two ends of a body.Wherein, filtered inlet and the 3rd chamber, filter out Mouth and the 4th chamber.

In the present embodiment, flat tube 300 and fin 400 all have multiple, multiple flat tube 300 Hes Multiple fins 400 are alternately disposed between the first header 100 and the second header 200. It is welded to connect between adjacent flat tube 300 and fin 400, to ensure bonding strength, and then Ensure the structural stability of whole condenser.

Further, the outer wall of each flat tube 300 and fin 400 is provided with multiple arc The groove of shape, multiple grooves are distributed in multiple flat tube 300 and the outer wall of fin 400, to increase The outer wall of big flat tube 300 and fin 400 and the contact area of surrounding air, improve heat Release efficiency, is effectively improved the heat exchange property of this condenser.

The inside of each flat tube 300 is provided with multiple linear fluid passage 310, multiple Fluid passage 310 is spaced setting, multiple fluid passages 310 along the width of flat tube 300 All one end from flat tube 300 extend to the other end, i.e. the length direction along flat tube 300 runs through Whole flat tube 300.For single fluid passage 310, multiple fluid passages 310 The contact area that can effectively increase fluid passage 310 with flat tube 300 is set, thus have Effect improves high temperature fluid radiating effect in flat tube 300.

Meanwhile, the cross section of each fluid passage 310 is all rectangle, and above-mentioned cross section refers to The plane being perpendicular to fluid passage 310 length direction.Rectangle is used to lead to as fluid The purpose of the shape of cross section in road 310 is: for the shapes such as circle, rectangle On the one hand so that the distance between multiple fluid passage 310 and multiple fluid passage 310 And distance between the outer wall of flat tube 300 is of substantially equal, thus optimize flat tube 300 entirety On the other hand mechanical property, can increase connecing of fluid passage 310 and flat tube 300 as far as possible Contacting surface is amassed, thus improves the heat dispersion of this flat tube 300 further.

Multiple flat tubes 300 are divided into two groups, are respectively designated as first group and second group, first group The quantity of flat tube 300 is 3-9 times of the quantity of second group of flat tube 300.Wherein, first group flat The two ends of pipe 300 are respectively protruding in the first chamber and the 3rd chamber, and correspondingly, first group flat The two ends of the fluid passage 310 of pipe 300 respectively with the first chamber and the 3rd chamber.The The two ends of two groups of flat tubes 300 be respectively protruding into in the second chamber and the 4th chamber, correspondingly, The two ends of the fluid passage 310 of second group of flat tube 300 respectively with the second chamber and the 4th chamber Connection.

With reference to Fig. 3 and 4, in the present embodiment, the width W of flat tube 300 is 14-18mm, Thickness D is 1.3-1.5mm, and wave height H of fin 400 is 6.0-7.4mm, and pitch of waves L is 2.0-2.8mm.The flat tube 300 and the fin 400 that use above-mentioned size range are arranged in pairs or groups, can With the heat exchange amount being effectively improved under condenser Unit Weight.Further, so that this is cold Heat exchange amount optimum under condenser Unit Weight maximizes, and in above-mentioned size range, preferentially selects Being 16mm with width W, thickness D is the flat tube 300 of 1.4mm and wave height H is 6.6mm, Pitch of waves L is the fin 400 of 2.2mm.

This condenser is mainly used in air conditioning for automobiles, and its operation principle and process are so: first First, the fluid of high temperature stretches into the first chamber of the first header 100 from inlet union 110, Then the one end from the flat tube 300 stretching into the first chamber enters the multiple of first group of flat tube 300 In fluid passage 310, and flow along above-mentioned fluid passage 310 to the second header 200, High temperature fluid is during flowing in above-mentioned fluid passage 310, according to the second law of thermodynamics, The heat contained in high temperature fluid can be delivered on flat tube 300, is delivered to the heat of flat tube 300 An amount part can be directly emitted in the air of surrounding, and another part is the most first delivered to surrounding Being dispersed in the air of surrounding in fin 400, the temperature of such high temperature fluid will be gradually again Reduce, thus realize first heat exchange condensation, it is thus achieved that the fluid of relative low temperature.

After the fluid of above-mentioned relative low temperature passes first group of flat tube 300, the second collection will be entered 3rd chamber of flow tube 200, enters in filter 500 by filtered inlet, when upper afterwards Stating fluid when filter 500, its moisture contained can be by being dried in filter 500 Agent is removed, thus obtains relatively pure fluid, and the most above-mentioned relatively pure fluid can lead to Cross filtering outlet and enter the 4th chamber of the second header 200, afterwards from stretching into the 4th chamber One end of flat tube 300 enter in the fluid passage 310 of second group of flat tube 300, and along Above-mentioned fluid passage 310 is to the second chamber, and high temperature fluid is in second group of flat tube 300 During flowing, secondary heat exchange condensation can be carried out, thus the cryogen needed for obtaining. The most above-mentioned cryogen can enter in the 4th chamber of the first header 100, finally by Outlet connection 120 flows out.

Ultimate principle based on heat exchange, existing condenser is by using heat conductivity mostly High material manufactures flat tube 300 and fin 400, improves the heat exchange under condenser Unit Weight Amount, although this mode has certain effect, but frequently results in the life of condenser product Producing high expensive, cost performance is on the low side.

And applicant of the present invention chances in long-term actual production process, different chis Very little flat tube 300 and (overall weight is identical) during fin 400 cooperating, condenser unit Can there are some gaps and in some size range in the heat exchange amount under weight, above-mentioned gap meeting Highly significant.Above-mentioned accidental discovery makes applicants have appreciated that, except using high thermal conductivity coefficient Material, arrange in pairs or groups various sizes of flat tube 300 and fin 400 can also improve condenser list Heat exchange amount under the weight of position.

For above-mentioned situation, applicant carried out substantial amounts of experiment, be finally obtained optimal The width W of flat tube 300 and the arranging scheme of fin 400, i.e. flat tube 300 is 16mm, Thickness D is 1.4mm, and wave height H of fin 400 is 6.6mm, and pitch of waves L is 2.2mm. By flat tube 300 and the cooperation of fin 400 of above-mentioned optimum size, so that this condensation Heat exchange amount under device Unit Weight maximizes, thus obtains low-cost and high-performance (high performance-price ratio) Condenser product.

Second embodiment:

The present embodiment provide the basic structure of condenser, principle and acquirement technique effect with First embodiment is identical, and difference is, the flat tube 300 width W of the present embodiment is 14mm, thickness D are 1.3mm, and wave height H of fin 400 is 6mm, and pitch of waves L is 2mm.

3rd embodiment:

The present embodiment provide the basic structure of condenser, principle and acquirement technique effect with First embodiment is identical, and difference is, the flat tube 300 width W of the present embodiment is 18mm, thickness D are 1.5mm, and wave height H of fin 400 is 7.4mm, and pitch of waves L is 2.8mm。

4th embodiment:

The present embodiment provide the basic structure of condenser, principle and acquirement technique effect with First embodiment is identical, and difference is, the flat tube 300 width W of the present embodiment is 15mm, thickness D are 1.35mm, and wave height H of fin 400 is 6.3mm, and pitch of waves L is 2.1mm。

5th embodiment:

The present embodiment provide the basic structure of condenser, principle and acquirement technique effect with First embodiment is identical, and difference is, the flat tube 300 width W of the present embodiment is 17mm, thickness D are 1.45mm, and wave height H of fin 400 is 7mm, and pitch of waves L is 2.6mm。

5th embodiment:

The present embodiment provide the basic structure of condenser, principle and acquirement technique effect with First embodiment is identical, and difference is, on the basis of first embodiment, and this enforcement Being additionally provided with the 3rd dividing plate in the first header 100 in example, the 3rd dividing plate is by the first chamber Being divided into the first sub-chamber and the second sub-chamber, the second sub-chamber is positioned at the first sub-chamber and Between two chambers, inlet union 110 connects with the first sub-chamber.Described second header 200 Inside being provided with the 4th dividing plate, the 3rd chamber is divided into the 3rd sub-chamber and the 4th by the 4th dividing plate Sub-chamber, the 4th sub-chamber is between the 3rd sub-chamber and the 4th chamber.First group of flat tube 300 are divided into three to be grouped and the respectively first packet, the second packet and the 3rd packet, and first The two ends of packet flat tube 300 connect with the first sub-chamber and the 3rd sub-chamber respectively, second point The two ends of group flat tube 300 connect with the second sub-chamber and the 3rd sub-chamber respectively, the 3rd packet The two ends of flat tube 300 connect with the second sub-chamber and the 4th sub-chamber respectively, the 4th sub-chamber Connect with filtered inlet.

The purpose arranging the 3rd dividing plate and the 4th dividing plate is to extend high temperature fluid at this condenser In flow path, thus improve the heat exchange condensation effect of this condenser.

These are only the preferred embodiments of the present invention, be not limited to the present invention, right For those skilled in the art, the present invention can have various modifications and variations.All at this Within the spirit of invention and principle, any modification, equivalent substitution and improvement etc. made, all Within protection scope of the present invention should being included in.

Claims

1. a condenser, it is characterised in that include the first header, the second header, Flat tube and wavy fin, be provided with the first dividing plate in described first header, described The inner chamber of described first header is divided into the first chamber and the second chamber, institute by the first dividing plate Stating and be provided with inlet union and outlet connection on the first header, described inlet union is with described First chamber, described outlet connection and the second chamber, described flat tube and fin are equal Have multiple and be alternately disposed between described first header and described second header, each Being provided with fluid passage in described flat tube, multiple flat tubes are divided into two groups and respectively first group With second group, the two ends of flat tube described in first group respectively with described first chamber and described second The inner space of header, the two ends of flat tube described in second group respectively with the second chamber and described The inner space of the second header, the width of described flat tube is 14-18mm, and thickness is 1.3-1.5mm, the wave height of described fin is 6.0-7.4mm, and the pitch of waves is 2.0-2.8mm.

Condenser the most according to claim 1, it is characterised in that the width of described flat tube For 16mm, thickness is 1.4mm, and the wave height of described fin is 6.6mm, and the pitch of waves is 2.2mm.

Condenser the most according to claim 1, it is characterised in that described second header Inside being provided with second partition, the inner chamber of described second header is divided into by described second partition 3rd chamber and the 4th chamber, the two ends of flat tube described in first group respectively with the first chamber and Three chamber, the two ends of flat tube described in second group respectively with described second chamber and the 4th chamber Room connects, and condenser also includes the filter being arranged on described second header, described mistake Filter includes that filtered inlet and filtering outlet, described 3rd chamber connect with described filtered inlet, Described 4th chamber connects with described filtering outlet.

Condenser the most according to claim 3, it is characterised in that described filter includes Filtration barrel body, described filtration barrel body is arranged on the outer wall of described second header, described mistake Multiple dry bag being built-in with desiccant, described filtered inlet and filtration it is provided with in filter cylinder body Outlet is respectively arranged on the sidewall of described filtration barrel body.

Condenser the most according to claim 4, it is characterised in that described filtration barrel body bag Including a body and cover, described cylinder body is provided with opening, described cover removably connects On described cylinder body and block described opening.

Condenser the most according to claim 4, it is characterised in that described dry bag uses Non-woven fabrics sewing forms.

Condenser the most according to claim 1, it is characterised in that in every described flat tube Being provided with multiple fluid passage, the plurality of fluid passage is along the width of described flat tube Interval is arranged.

Condenser the most according to claim 7, it is characterised in that each fluid passage Cross section is all rectangle.

Condenser the most according to claim 1, it is characterised in that each described flat tube and The groove of multiple arc it is provided with on the outer wall of fin.

Condenser the most according to claim 1, it is characterised in that flat described in first group The quantity of pipe is described in second group 3-9 times of the quantity of flat tube.