CN107532833B

CN107532833B - Condenser

Info

Publication number: CN107532833B
Application number: CN201680027535.5A
Authority: CN
Inventors: 内藤寿久; 冲之谷刚
Original assignee: Denso Corp
Current assignee: Denso Corp
Priority date: 2015-05-26
Filing date: 2016-05-25
Publication date: 2019-10-01
Anticipated expiration: 2036-05-25
Also published as: CN107532833A; WO2016190352A1; JPWO2016190352A1; DE112016002362T5; JP6428934B2

Abstract

The liquid receiver (10) of condenser (1) has to be extended along the length direction of pipe (2a), and the second liquid receiving unit (12) being connected in the header tank of a side (5) side with the first liquid-receivable section (11).Second liquid receiving unit (12) is connect with such as lower portion: the position is configured at the connecting portion connecting with refrigerant introduction part (112a) in the outside of the header tank (5) of a side and ratio the first liquid-receivable section (11) closer to upper side.Also, the lower end (131) of second liquid receiving unit (12) side of the Liquid acquisition interconnecting piece (13) of the first liquid-receivable section of connection (11) and second liquid receiving unit (12) in liquid receiver (10) is located at following position in the up-down direction: the position is compared to the central location (CL) on the stacking direction of the pipe (2a) of the inside of second liquid receiving unit (12) and closer to side bottom (BL) on the stacking direction of the pipe (2a) of the inside of second liquid receiving unit (12).

Description

Condenser

Related application it is cross-referenced

The application is helped herein based on Japanese patent application filed on May 26th, 2015 the 2015-106667th Draw its documented content.

Technical field

The present invention relates to a kind of condensers for having liquid receiver.

Background technique

In recent years, in the market, there are the heat dissipation performance for being able to maintain that previous condenser and mountability preferably slim cold The demand of condenser.For such demand, propose that there are many following structures (for example, referring to patent document 1,2): in addition to configuration Except the longitudinal liquid-receivable section in heat exchange department, that is, core side portion of condenser, it is also equipped with the upper side along core With the structure for the horizontal liquid-receivable section that the posture of accumbency configures.

Condenser disclosed in patent document 1 is formed as the knot that will be connected between each liquid-receivable section via connection piping Structure, so that longitudinal liquid-receivable section is connected to horizontal liquid-receivable section in inside.In addition, horizontal liquid-receivable section configures In on side plate.

In addition, condenser disclosed Patent Document 2 is formed as the inner space via header tank for each liquid-receivable section It is connected to each other, so that longitudinal liquid-receivable section is connected to horizontal liquid-receivable section in inside.In addition, horizontal Liquid acquisition Portion is configured on the outer fin of the upper end of core.

Existing technical literature

Patent document

Patent document 1: Korean granted speciallys permit 11-0799551 bulletin

Patent document 2: Japanese Unexamined Patent Publication 2012-67939 bulletin

However, liquid receiver plays the delay except the intention for preventing the liquid phase refrigerant in core within the condenser (that is, hydrops) and adjust refrigerant in core internal circulating load function.

But condenser disclosed in patent document 1 is connected with connection piping in the upper side of horizontal liquid-receivable section. In such a configuration, once when liquid phase refrigerant lodges in the interconnecting piece of the connection piping of the ratio in horizontal liquid-receivable section more When close to lower side, will lead to cannot make the liquid phase refrigerant be moved to longitudinal liquid-receivable section side.This is that liquid is hindered to connect The main reason for receiving the adjustment of the internal circulating load of the refrigerant in device, and it is undesirable.

Also, such as condenser disclosed Patent Document 2, each Liquid acquisition is being connected via the inner space of header tank In the structure in portion, due to can also accumulate liquid phase refrigerant in the inner space of header tank, the refrigeration between each liquid-receivable section The movement of agent is obstructed.The main reason for this is the adjustment of the internal circulating load of the refrigerant in obstruction liquid receiver, and it is undesirable.

Summary of the invention

The purpose of the present invention is to provide a kind of condensers, can be realized whole miniaturization and can play Liquid acquisition The adjustment function of the internal circulating load of refrigerant in device.

A viewpoint according to the present invention makes refrigerant and external fluid carry out heat exchange and makes the condensation of refrigerant condensation Device has core, the core be will for refrigerant circulate multiple pipes it is stacked on top of one another and constitute component, by with flow through pipe The heat exchange of the external fluid in outside makes refrigerant radiate.

Also, condenser has a pair of of header tank, which extends along the stacking direction of pipe and and core In pipe length direction both ends connection.

In addition, condenser has: liquid receiver, the liquid receiver make the header tank of the side from a pair of of header tank The refrigerant of outflow is separated into liquid phase refrigerant and vapor phase refrigerant and stores liquid phase refrigerant；And refrigerant introduction part, it should The refrigerant that refrigerant introduction part will be stored in the inside of the header tank of a side is guided to the inside of liquid receiver.

In order to achieve the above objectives, the liquid receiver of condenser has the first liquid-receivable section, first Liquid acquisition Portion extends along the stacking direction of pipe, and adjacently configures with the header tank of a side, via refrigerant introduction part with a side Header tank connection.In addition, liquid receiver have second liquid receiving unit, the second liquid receiving unit along pipe length side The header tank side of the side Xiang Congyi extends to the header tank side of another party, and in the header tank side of a side and the first liquid-receivable section Connection.

Second liquid receiving unit is configured at the outside of the header tank of a side.Also, second liquid receiving unit and the first liquid In receiving unit as lower portion connect: the position is more leaned on than the connecting portion that the first liquid-receivable section is connect with refrigerant introduction part Close over side.

Also, the Liquid acquisition of the first liquid-receivable section of connection and second liquid receiving unit in liquid receiver connects The lower end of the second liquid receiving unit side in portion is located at following position in the up-down direction: the position is compared to close to second liquid Central location and the stacking of the pipe closer to the inside of second liquid receiving unit on the stacking direction of the pipe of the inside of receiving unit Bottom side on direction.

Liquid receiver is formed to have the first liquid-receivable section of the stacking direction extension along pipe and along the length of pipe as a result, The structure for the second liquid receiving unit that direction extends is spent, therefore, not making the first liquid-receivable section enlargement can fully really Protect the volume of the whole storage refrigerant of liquid receiver.As a result, can be realized the miniaturization of condenser entirety.

Especially, in condenser of the invention, be formed as the second liquid that will be configured at the outside of the header tank of a side The structure that receiving unit is connect with the first liquid-receivable section.Therefore, as connected the structure of each liquid-receivable section, liquid via header tank Phase refrigerant will not be stranded in header tank.

In addition, the Liquid acquisition interconnecting piece for connecting each liquid-receivable section is formed as the lower end of second liquid receiving unit side It is located at the structure of the bottom side of the inside of second liquid receiving unit in the up-down direction.Thereby, it is possible to inhibit second liquid to receive The delay of liquid phase refrigerant in portion, therefore movement is easy in each liquid-receivable section inner refrigerant.As a result, being able to suppress The delay of liquid phase refrigerant in two liquid-receivable sections etc. and the circulation that refrigerant can be fully adjusted using liquid receiver Amount.

Therefore, it can be realized the whole miniaturization of condenser and reasonably play the circulation of the refrigerant in liquid receiver The adjustment function of amount.

Here, " adjoining " refers not only to the state directly contacted between component, also locate comprising keeping specified interval between component In the meaning of the state of neighbouring relations.

Detailed description of the invention

Fig. 1 is the perspective view for indicating condenser involved in first embodiment.

Fig. 2 is the schematic elevational view of condenser involved in first embodiment.

Fig. 3 is the enlarged drawing in the portion III of Fig. 2.

Fig. 4 is the schematic diagram for indicating to be provided with the condenser of the comparative example of single liquid receiver in the side of core.

Fig. 5 is the schematic diagram for indicating condenser involved in first embodiment.

Fig. 6 is for the first liquid-receivable section of condenser involved in first embodiment and the condenser of comparative example Liquid receiver the main portion sectional view that is illustrated of difference in size.

Fig. 7 is the curve being illustrated for the filling characteristic of the refrigerant to condenser involved in first embodiment Figure.

Fig. 8 is the schematic elevational view of condenser involved in second embodiment.

Fig. 9 is the side view of the condenser on the direction of arrow IX shown in Fig. 8.

Figure 10 is the tectosome for indicating the second liquid receiving unit and vehicle of condenser involved in second embodiment The side view of configuration relation.

Figure 11 is the second liquid receiving unit and other heat exchangers for indicating condenser involved in second embodiment The side view of configuration relation.

Figure 12 is the schematic elevational view of condenser involved in third embodiment.

Figure 13 is the enlarged drawing in the portion XIII of Figure 12.

Figure 14 is the top view of the condenser on the direction arrow XIV shown in Figure 13.

Figure 15 is to indicate that the part of the variation 1 of the connection type of each liquid-receivable section involved in third embodiment is main View.

Figure 16 is the top view of the condenser on the direction of arrow XVI shown in figure 15.

Figure 17 is to indicate that the part of the variation 2 of the connection type of each liquid-receivable section involved in third embodiment is main View.

Figure 18 is the top view of the condenser on the direction of arrow XVIII shown in Figure 17.

Figure 19 is to indicate that the part of the variation 3 of the connection type of each liquid-receivable section involved in third embodiment is main View.

Figure 20 is the top view of the condenser on the direction of arrow XX shown in Figure 19.

Figure 21 is to indicate that the part of the variation 4 of the connection type of each liquid-receivable section involved in third embodiment is main View.

Figure 22 is the top view of the condenser on the direction of arrow XXII shown in Figure 21.

Figure 23 is the schematic elevational view of condenser involved in the 4th embodiment.

The enlarged drawing in the portion XXIV of Figure 24 Figure 23.

Figure 25 is the top view of the condenser on the direction of arrow XXV shown in Figure 24.

Figure 26 is the schematic elevational view of condenser involved in the 5th embodiment.

Figure 27 is the enlarged drawing in the portion XXVII of Figure 26.

Figure 28 is the schematic elevational view of condenser involved in sixth embodiment.

Figure 29 is the schematic elevational view for indicating the variation of condenser involved in sixth embodiment.

Figure 30 is the schematic elevational view of condenser involved in the 7th embodiment.

Figure 31 is the schematic elevational view of condenser involved in the 8th embodiment.

Figure 32 is the schematic elevational view of condenser involved in the 9th embodiment.

Figure 33 is the schematic elevational view of condenser involved in the tenth embodiment.

Figure 34 is the enlarged drawing in the portion XXXIV of Figure 33.

Figure 35 is the schematic elevational view for indicating the variation 1 of condenser involved in the tenth embodiment.

Figure 36 is the enlarged drawing in the portion XXXVI of Figure 35.

Figure 37 is the schematic elevational view for indicating the variation 2 of condenser involved in the tenth embodiment.

Figure 38 is the schematic elevational view of condenser involved in the 11st embodiment.

Figure 39 is the enlarged drawing in the portion XXXIX of Figure 38.

Figure 40 is the XL-XL cross-sectional view of Figure 39.

Figure 41 is the XLI-XLI cross-sectional view of Figure 39.

Figure 42 is the arrow view on the direction of the arrow XLII of Figure 39.

Figure 43 is the deformation for indicating to change the configuration mode of the filter in condenser involved in the 11st embodiment The schematic main portion sectional view of example 1.

Figure 44 is the deformation for indicating to change the configuration mode of the filter in condenser involved in the 11st embodiment The schematic main portion sectional view of example 2.

Figure 45 is the deformation for indicating to change the configuration mode of the filter in condenser involved in the 11st embodiment The schematic main portion sectional view of example 3.

Figure 46 is the XLVI-XLVI cross-sectional view of Figure 45.

Figure 47 is the schematic elevational view of condenser involved in the 12nd embodiment.

Figure 48 is the XLVIII-XLVIII cross-sectional view of Figure 47.

Figure 49 is the schematic elevational view of condenser involved in the 13rd embodiment.

Figure 50 is the side view of the condenser on the direction of arrow L shown in Figure 49.

Figure 51 is the enlarged drawing in the portion LI of Figure 50.

Figure 52 is the LII-LII cross-sectional view of Figure 51.

Specific embodiment

Hereinafter, the embodiments of the present invention will be described with reference to the drawings.In addition, in each of the following embodiments, it is right The part identical or equivalent as the item illustrated in first embodiment adds identical reference marks sometimes and omits it Explanation.

Also, in various embodiments, in the case where being only illustrated to a part of constituent element, constituent element Other parts can be applied to the constituent element illustrated in first embodiment.

As long as the following embodiments and the accompanying drawings is not in the range of generating special hinder to combination, even then not bright In the case where really indicating, also will can partially it be combined between each embodiment.

(first embodiment)

Condenser 1 involved in present embodiment is the system for constituting the steam compression type for being applied to for motor vehicle air-conditioning device The heat exchanger of SAPMAC method.Refrigeration cycle is configured to successively be piped compressor, condenser 1, the mechanism of decompressor, evaporator etc. The loop of connection.The refrigeration cycle of present embodiment is used by the power-actuated engine-driven pressure from engine Contracting machine is as compressor.In addition, compressor can also be using by the power-actuated motor compressor from motor.

Condenser 1 makes outside the vapor phase refrigerant and external fluid i.e. car room for the high temperature and pressure that compressor (not shown) is discharged Air carries out heat exchange and condenses.Condenser 1 make in internal chilled refrigerant through the not shown mechanism of decompressor and to making The vaporizer side (not shown) export of refrigerant evaporation.

The configuration of condenser 1 is in the engine room of internal combustion engine (for example, engine) for being provided with driving vehicle.Condenser 1 Such as configuration is in the importing access for the traveling wind for being formed in the indoor forefront of engine.

Firstly, being illustrated referring to Fig.1 to the overall structure of the condenser of present embodiment 1.Here, indicating that Fig. 1's is upper Under, left and right, front and back each arrow indicate up and down direction under vehicle loading state, left and right directions, front-rear direction.This is in Fig. 1 It is also identical in attached drawing in addition.

In the condenser 1 of present embodiment, have as main constituent element: core 2, a pair of side plates 3,4, one To header tank 5,6, a pair of connectors 7,8 and liquid receiver (that is, adjuster) 10.

The main component for constituting condenser 1 is made of the aluminum metal material of aluminium, aluminium alloy etc..Condenser 1 is will be by gold In the state of belonging to each component assembling that material is constituted, it is brazed and is connect and being pre-set at the wlding at necessary position of each component It closes.

Core 2 is multiple pipe 2a for will circulating in inside for refrigerant laminated body stacked on top of one another.The composition of core 2 makes in pipe The refrigerant of 2a flowing carries out heat exchange and the heat exchange department that radiates with the external fluid, that is, air flowed in the outside of pipe 2a.

Core 2 is provided with the fin 2b for promoting the heat exchange of refrigerant and air between adjacent pipe 2a.This embodiment party The fin 2b of formula includes to be bent rugose corrugated fin.In addition, fin 2b is not limited to corrugated fin, plate also may include Shape fin etc..

Each pipe 2a of present embodiment includes single hole or porous pipe with flat section.Each pipe 2a is separated from each other rule Determine compartment of terrain stacking, between adjacent pipe 2a for air circulation.

There is the core 2 of present embodiment the condensation part 21 for condensing refrigerant and cooling to flow from the first liquid-receivable section 11 The supercooling portion (that is, auxiliary cooler) 22 of liquid phase refrigerant out.The core 2 of present embodiment is formed as 22, supercooling portion In the structure of the lower side of condensation part 21.In addition, in the present embodiment, the thick chain-dotted line DL's positioned at Fig. 1 in core 2 The position of upper side constitutes condensation part 21, and the position positioned at the lower side of the thick chain-dotted line DL of Fig. 1 constitutes supercooling portion 22.

A pair of side plates 3,4 is the strengthening part reinforced core 2.The side plate 3,4 of present embodiment is configured at core 2 Pipe 2a stacking direction (that is, up and down direction of Fig. 1) both ends.

Upper end side plate 3 in a pair of side plates 3,4 is engaged with the fin 2b for the upper end for being located at core 2.Also, a pair of side plates 3, Lower end side plate 4 in 4 is engaged with the fin 2b for the lower end for being located at core 2.

A pair of of header tank 5,6 is played as the function of carrying out in set/distribution case of each pipe 2a refrigerant flowed.One Header tank 5,6 is connect with the length direction both ends of pipe 2a.That is, one end of the length direction of the header tank 5 of a side and pipe 2a Side connection, the header tank 6 of another party are connect with the another side of the length direction of pipe 2a.

Specifically, the first header tank 5 shown in the left side of Fig. 1 along pipe 2a stacking direction extend, and in core 2 Pipe 2a length direction one end connection.Also, the second header tank 6 shown in the right side of Fig. 1 is along the stacking side of pipe 2a It is connect to extension, and with the another side of the length direction of the pipe 2a in core 2.

Each header tank 5,6 includes the hollow part of the tubular extended along the stacking direction of pipe 2a.Each header tank 5,6 is at it Inside is formed with the inner space being connected to the inside of each pipe 2a.

A pair of connectors 7,8 plays the function of the entrance as the refrigerant in condenser 1.A pair of connectors 7,8 with The engagement of second header tank 6.

The entrance side-connector 7 of the inlet portion of composition refrigerant in a pair of connectors 7,8 is engaged in the second header tank 6 In close upper end side position.The outside circulated for the refrigerant being discharged from compressor is connected in entrance side-connector 7 to match Pipe.

Also, the outlet side-connector 8 of the outlet portion of the composition refrigerant in a pair of connectors 7,8 is engaged in the second collection The position of close lower end side in water tank 6.Outlet side-connector 8, which is bonded to, will pass through the refrigerant of condenser 1 to negative booster Outside pipe arrangement derived from structure side.

Liquid receiver 10 is that the refrigerant flowed out from the condensation part of core 2 21 is separated into liquid phase refrigerant and gas phase system Cryogen and the case for temporarily storing liquid phase refrigerant.The refrigerant of storage liquid phase refrigerant is formed in the inside of liquid receiver 10 Memory space.Liquid receiver 10 is used for the load change according to refrigeration cycle and adjusts the refrigerant recycled in circulation Internal circulating load.

Liquid receiver 10 is configured to include the first liquid-receivable section 11 of the stacking direction extension along pipe 2a；Along The second liquid receiving unit 12 that the length direction of pipe 2a extends；And the Liquid acquisition of each liquid-receivable section 11,12 of connection connects Socket part 13.

The liquid receiver 10 of present embodiment includes the single piping for bending to L-shaped.The first of present embodiment Liquid-receivable section 11, second liquid receiving unit 12 and Liquid acquisition are integrally formed with interconnecting piece 13 by single piping.At this In embodiment, the position that the stacking direction along pipe 2a in single piping extends constitutes the first liquid-receivable section 11, single The position that the length direction along pipe 2a in one piping extends constitutes second liquid receiving unit 12.Also, in this embodiment party In formula, the curved position of the length direction of stacking direction to the pipe 2a of the slave pipe 2a in single piping constitutes Liquid acquisition and connects Socket part 13.

First liquid-receivable section 11 is adjacently configured with the first header tank 5.First liquid-receivable section 11 is via aftermentioned system Cryogen introduction part 112a, refrigerant leading-out portion 112b and be connected to the inside of the first header tank 5.

Second liquid receiving unit 12 extends along the length direction of pipe 2a from 5 side of the first header tank to 6 side of the second header tank. Second liquid receiving unit 12 from the first header tank 5 separate in the state of, via Liquid acquisition with interconnecting piece 13 and with the first liquid The aftermentioned refrigerant introduction part 112a of ratio in body receiving unit 11 is connected closer to the position of upper side.That is, second liquid receives Portion 12 is configured at the outside of the first header tank 5.Also, second liquid receiving unit 12 is in 5 side of the first header tank via Liquid acquisition It is connected to interconnecting piece 13 with the first liquid-receivable section 11.

Columned space is formed in the inside of each liquid-receivable section 11,12.In view of resistance to pressure, each liquid-receivable section 11,12 the section shape of inner wall is preferably designed as circle.

Liquid acquisition interconnecting piece 13 is that the position for the upper end side for connecting the first liquid-receivable section 11 and second liquid receive The interconnecting piece at the position of 5 side of the first header tank in portion 12.The Liquid acquisition of present embodiment has with interconnecting piece 13 from pipe 2a's Stacking direction is bent the shape of the length direction to pipe 2a.

Then, it is illustrated referring to the details of Fig. 2, Fig. 3 to the condenser 1 of present embodiment.Fig. 2 is condenser 1 Schematic elevational view.Fig. 3 is the enlarged drawing for amplifying major part of Fig. 2.In addition, for convenience of description, in Fig. 2, Fig. 3 In, omit the diagram for constituting the pipe 2a and fin 2b of core 2.This is also identical in attached drawing later.

As shown in Figure 2 and Figure 3, in the first header tank 5 of present embodiment, as point for separating inner space up and down Separator 5a, 5b there are two being arranged every component.The inside of first header tank 5 is divided by two separators 5a, 5b Three inner space 51a~51c.

In three inner space 51a~51c of the first header tank 5, the inner space 51a of top and the inner space in center 51b is connected to the condensation part 21 of core 2, and the inner space 51c of lower section is connected to the supercooling portion 22 of core 2.

The inner space 51a of top in first header tank 5 is to turn to the flow direction of the refrigerant in condensation part 21 Space.

The inner space 51b in the center in the first header tank 5 is the space for making to have passed through the refrigerant set of condensation part 21. Present embodiment center inner space 51b via the refrigerant introduction part 112a in aftermentioned liquid receiver 10 and and liquid The refrigerant memory space of body receiver 10 is connected to.Therefore, the refrigerant of condensation part 21 has been passed through via in the first header tank 5 The inner space 51b and refrigerant introduction part 112a of centre and the inside for being directed to liquid receiver 10.

The inner space 51c of lower section in first header tank 5 is the allocation space that refrigerant is distributed to supercooling portion 22.This The inner space 51c of the lower section of embodiment connects via the refrigerant leading-out portion 112b of aftermentioned liquid receiver 10 with liquid Receive the refrigerant memory space connection of device 10.Therefore, the liquid phase refrigerant of the inside of liquid receiver 10 is via aftermentioned refrigeration The inner space 51c of the lower section of agent leading-out portion 112b and the first header tank 5 and exported to supercooling portion 22.

Then, in the second header tank 6 of present embodiment, it is arranged as by the partition member separated above and below inner space There are two separator 6a, 6b.Each separator 6a, 6b are become with describing S word with the flowing of the refrigerant in the condensation part 21 of core 2 The mode of flowing is set.

Specifically, the separator 6a of the second header tank 6 is configured in the up-down direction in the separator than the first header tank 5 Position of the 5a closer to top.The separator 6b of second header tank 6 is configured in the up-down direction in the separation with the first header tank 5 The corresponding position part 5b.

In the inside of the second header tank 6, three inner space 61a~61c are marked off by two separators 6a, 6b. In each inner space 61a~61c, the condensation part 21 of the inner space 61a of top and the inner space 61b in center and core 2 Connection, the inner space 61c of lower section are connected to the supercooling portion 22 of core 2.

The inner space 61a of top in second header tank 6 is the space that refrigerant is distributed to condensation part 21.Second catchments Inner space of the inner space 61a of the top of case 6 via the pipe 2a for constituting condensation part 21 and with the top of the first header tank 5 51a connection.

The inner space 61b in the center in the second header tank 6 is to turn to the flow direction of the refrigerant in condensation part 21 Space.Second header tank 6 center inner space 61b via constitute condensation part 21 pipe 2a and with the first header tank 5 The inner space 51a of top and the inner space 51b connection in center.

The inner space 61c of lower section in second header tank 6 is the sky for making to have passed through the refrigerant set in supercooling portion 22 Between.The inner space 61c of the lower section of second header tank 6 via constitute supercooling portion 22 pipe 2a and under the first header tank 5 The inner space 51c connection of side.

Here, the position of the inner space 61a above composition is connected with entrance side-connector in the second header tank 6 7.Also, in the second header tank 6, the position of the inner space 61c below composition is connected with outlet side-connector 8.

Then, the liquid receiver of present embodiment 10 is illustrated.First liquid-receivable section of liquid receiver 10 11 extend along the first header tank 5, and second liquid receiving unit 12 prolongs in the upper side of upper end side plate 3 along upper end side plate 3 It stretches.

The Liquid acquisition of the interconnecting piece of each liquid-receivable section 11,12 of composition of liquid receiver 10 is with interconnecting piece 13 upper and lower Positioned at the upper end of each header tank 5,6 and than upper end side plate 3 closer to upper side on direction.Also, liquid receiver 10 is upper Lower section configures in such a way that second liquid receiving unit 12 is overlapped with core 2 upwards.

Then, the feature about liquid receiver 10 is illustrated each constituent element.First liquid-receivable section 11 tool There are the cylindric cylindrical portion 111 of the stacking direction extension along pipe 2a, the tubular reinforced to the end of cylindrical portion 111 Supporting part 112, the case lid 113 that closed screw-type is carried out to the end of supporting part 112.

The outer diameter of the cylindrical portion 111 of first liquid-receivable section 11 is phase with the size of the first header tank 5 in the longitudinal direction With the size of degree.The cylindrical portion 111 of first liquid-receivable section 11 in the lateral direction in the first header tank 5 and condensation part The position relative configuration of 21 connections.

Supporting part 112 is oppositely disposed with the position connecting with supercooling portion 22 in the first header tank 5 in left and right directions.

In supporting part 112, position corresponding with the inner space 51b in center of the first header tank 5 is provided with refrigeration Agent introduction part 112a, the refrigerant introduction part 112a deposit refrigerant from inner space 51b to the refrigerant of liquid receiver 10 Space is stored up to import.Refrigerant introduction part 112a is engaged with the position of the inner space 51b in the center for constituting the first header tank 5.

Also, in supporting part 112, it is provided at position corresponding with the inner space 51c of lower section of the first header tank 5 Refrigerant leading-out portion 112b, the refrigerant leading-out portion 112b are by liquid phase refrigerant from the refrigerant memory space of liquid receiver 10 Internally space 51c is exported.The position of the inner space 51c of the lower section of the first header tank 5 of refrigerant leading-out portion 112b and composition Engagement.

Also, filter 14 and desiccant part 15 are configured in the inside of the first liquid-receivable section 11 of present embodiment. Filter 14 is the component for capturing the foreign matter in refrigeration cycle.The filter 14 of present embodiment is configured at the top of case lid 113. Filter 14 is for example comprising cylindric reticulate body.

Desiccant part 15 is the component adsorbed to the water for being mixed into refrigeration cycle.The desiccant part 15 of present embodiment It is configured in the mode in the inside of the first liquid-receivable section 11 and below liquid level that its at least part is in refrigerant.

Desiccant part 15 be for refrigerant by the inside of sack-like element accommodate granular desiccant and constitute.Make For granular desiccant, for example, can be using in the case that moisture concentration in the refrigerant be low there is excellent absorption Silica gel, the zeolite of performance.

Case lid 113 is configured to detachable relative to the cylindrical portion 111 of the first liquid-receivable section 11.Case lid 113, which is constituted, to be kept The holding member of filter 14.First liquid-receivable section 11 can be replaced and assembling and disassembling case lid 113 from cylindrical portion 111 and is contained in Filter 14, desiccant part 15 inside first liquid-receivable section 11.

Then, second liquid receiving unit 12 has the cylindric cylindrical portion 121 extended along the length direction of pipe 2a, incites somebody to action The closed cover 122 in 6 side of the second header tank of cylindrical portion 121.

6 side of the second header tank of the cylindrical portion 121 of second liquid receiving unit 12 is closed by cover 122,5 side of the first header tank It is connect with interconnecting piece 13 with the upper end side of the first liquid-receivable section 11 via Liquid acquisition.

The outer diameter of the cylindrical portion 121 of second liquid receiving unit 12 is phase with the size of each header tank 5,6 in the longitudinal direction With the size of degree.The cylindrical portion 121 of second liquid receiving unit 12 is oppositely disposed with upper end side plate 3 in above-below direction.Second liquid The cylindrical portion 121 of body receiving unit 12 be configured in a manner of not contacted with each header tank 5,6 and upper end side plate 3 with each header tank 5, 6 and upper end side plate 3 compare closer to the position of upper side.

Then, Liquid acquisition interconnecting piece 13 has the shape for bending to L-shaped.Liquid acquisition interconnecting piece 13 is formed as Following shape: with second liquid receiving unit 12 inside bottom BL junction, do not generate the first Liquid acquisition substantially 11 side of portion is higher than the difference of height of 12 side of second liquid receiving unit.

Specifically, as shown in figure 3, Liquid acquisition interconnecting piece 13 is formed as following shape: second liquid receiving unit 12 The lower end 131 of side is located at the central position compared to the up and down direction inside second liquid receiving unit 12 in the up-down direction Set CL and closer to the position of the bottom side BL inside second liquid receiving unit 12.

The liquid receiver 10 of present embodiment constitutes each liquid-receivable section 11,12 and Liquid acquisition using single piping With interconnecting piece 13.Therefore, in the liquid receiver of present embodiment 10, the second liquid of Liquid acquisition interconnecting piece 13 is received The lower end 131 of 12 side of portion and the bottom BL inside second liquid receiving unit 12 are formed as the even shape of no difference of height.That is, With in interconnecting piece 13, the position of the lower end 131 of 12 side of second liquid receiving unit in the up-down direction is and second Liquid acquisition The roughly the same position in the position of bottom BL in the up-down direction inside liquid-receivable section 12.

Then, the type of flow of the refrigerant in the condenser 1 constituted as described above is illustrated.In engine work When making, when the operating switch for opening air-conditioning starts the operating of air-conditioning device, compressor is by the power drive from engine. Compressor compresses and discharging refrigerant as a result,.Then, the vapor phase refrigerant for the high temperature and pressure being discharged from compressor is via entrance side The inner space 61a of the top of connector 7 and the second header tank 6 of inflow.

As indicated by the arrows of fig. 2, the refrigerant for flowing into inner space 61a is assigned to the pipe of the upper side in condensation part 21 2a, and carry out heat exchange with air when through pipe 2a and cool down, the inner space of the top of the first header tank 5 is flowed into later 51a。

The refrigerant for flowing into inner space 51a is assigned to the pipe 2a near the middle section in condensation part 21, is passing through the pipe Heat exchange is carried out with air when 2a and is cooled down, and flows into the inner space 61b in the center of the second header tank 6 later.

The refrigerant for flowing into inner space 61b is assigned to the pipe 2a of the lower side in condenser 1, when passing through pipe 2a Heat exchange is carried out with air and is cooled down, and flows into the inner space 51b in the center of the first header tank 5 later.It is flowed in inner space 51b Entering has the saturation liquid phase refrigerant comprising a part of vapor phase refrigerant or the supercooling liquid phase with a degree of degree of subcooling Refrigerant.

The refrigerant of inflow inner space 51b influent receiver 10 via refrigerant introduction part 112a, and in liquid The inside of body receiver 10 is separated into vapor phase refrigerant and liquid phase refrigerant by the difference in specific gravity of refrigerant.In liquid receiver 10 inside, the lighter vapor phase refrigerant of specific gravity are gathered in upper side, the heavier liquid phase refrigeration of specific gravity compared with vapor phase refrigerant Agent is aggregated and stored in lower side.

Be stored in a part of the liquid phase refrigerant of the inside of liquid receiver 10 by 15 adsorption moisture of desiccant part it Afterwards, the inner space 51c of the lower section of the first header tank 5 is flowed into via filter 14 and refrigerant leading-out portion 112b.

The liquid phase refrigerant for flowing into inner space 51c is assigned to the pipe 2a for constituting supercooling portion 22, is passing through pipe 2a When with air carry out heat exchange and supercooling, flow into the inner space 61c of the second header tank 6 later.Then, inner space is flowed into The liquid phase refrigerant with degree of subcooling of 61c is flowed out via outlet side-connector 8 to mechanism of decompressor side.

Here, Fig. 4 is the condenser CP in the comparative example of the side setting liquid receiver MT of the left and right directions of core MC Schematic diagram.Fig. 5 is the schematic diagram of condenser 1 involved in present embodiment.Also, Fig. 6 is for condensation shown in Fig. 4 First liquid-receivable section 11 of the liquid receiver 10 of condenser 1 involved in the liquid receiver MT and present embodiment of device CP The main portion sectional view that is illustrated of difference in size.Fig. 6 is indicated first comprising liquid receiver 10 in condenser 1 The cutting plane of the major part of liquid-receivable section 11 cutting in left-right direction.

As shown in fig. 6, in the case where the condenser CP of comparative example, in order to store the tune of load change in refrigeration cycle Refrigeration dose required for whole, liquid receiver MT need to make the diameter of liquid receiver MT to be greater than the first header tank 5.Therefore, In the condenser CP of comparative example, liquid receiver MT relative to the first header tank 5 forwards and right prominent size A, B Amount.The main reason for this is the generation wasted space around condenser CP, and it is undesirable.

It in contrast, can also other than the first liquid-receivable section 11 in the case where the condenser of present embodiment 1 Liquid phase refrigerant is stored in second liquid receiving unit 12.Therefore, the diameter of the first liquid-receivable section 11 can be made to connect less than liquid Receive the diameter of device MT.That is, the diameter of the first liquid-receivable section 11 can be made close to core 2 in the condenser 1 of present embodiment Anteroposterior dimension, close to the anteroposterior dimension of the first header tank 5.

Then, special referring to filling of the Fig. 7 to the refrigerant in the condenser CP of comparative example and the condenser 1 of present embodiment Property is illustrated.

Fig. 7 is to indicate when operating refrigeration cycle with defined refrigerant charge, in the system of the outlet side of condenser 1 The curve graph of the measurement result of the degree of subcooling of cryogen.In addition, horizontal axis indicates refrigerant charge in the curve graph of Fig. 7, indulge Axis indicates the degree of subcooling in the refrigerant of the outlet side of condenser 1.

In Fig. 7, solid line indicates the measurement result of the condenser 1 of present embodiment.Also, in Fig. 7, chain-dotted line is indicated The measurement result of the condenser CP of comparative example.In addition, Fig. 7 is the area of the core in each condenser and liquid receiver is whole The volume settings of body are measurement result under the same conditions.

The filling characteristic of refrigerant is to indicate to make the total amount of the refrigerant recycled in refrigeration cycle entirety (that is, refrigeration Agent loading) variation when from condenser 1 outlet side-connector 8 flow out refrigerant degree of subcooling variation characteristic.And And played to stablize the heat dissipation performance of condenser 1, even if the filling characteristic of refrigerant preferably refrigerant charge changes, The range in degree of subcooling also indeclinable stable region is wider.The opinion of inventors according to the present invention is it is found that supercooling Spending stable region has the tendency that expanding and narrowing with the diminution of volume with the increase of the volume of liquid receiver 10.

As shown in fig. 7, when making the refrigerant charge increase of refrigeration cycle, in the condenser 1 and ratio of present embodiment Compared in the condenser CP of example, as a result, degree of subcooling, which is stablized, to exist in the range of refrigerant charge is in about 480g~650g About 9 DEG C.That is, for no matter how refrigerant charge changes, degree of subcooling all stable region, the condensation of present embodiment Device 1 is identical as the condenser CP of comparative example.

According to the measurement result it is found that the condenser 1 of present embodiment is not by the figure compared with the condenser CP of comparative example Small influence can play the stable heat dissipation performance of the condenser CP no less than comparative example.

The liquid receiver 10 of the condenser 1 of present embodiment described above is formed as in addition to having the layer along pipe 2a Also have except the first liquid-receivable section 11 that folded direction (that is, up and down direction) extends along the length direction of pipe 2a (that is, left and right Direction) extend second liquid receiving unit 12 structure.Do not make the first liquid-receivable section 11 of liquid receiver 10 large-scale as a result, Change the volume that can fully ensure that liquid receiver 10 is whole.

Especially, in the condenser of present embodiment 1, be formed as that the second of the outside of the first header tank 5 will be configured at Liquid-receivable section 12 is connected to the structure of the first liquid-receivable section 11.Therefore, it is connect as connected each liquid via each header tank 5,6 The structure in receipts portion 11,12, liquid phase refrigerant will not be stranded in header tank.

Further, in the present embodiment, be formed as such as flowering structure: connecting the Liquid acquisition of each liquid-receivable section 11,12 It is located in second liquid receiving unit 12 in the up-down direction with the lower end of 12 side of second liquid receiving unit in interconnecting piece 13 The position of the bottom side in portion.Specifically, in the liquid receiver 10 of present embodiment, the of Liquid acquisition interconnecting piece 13 The lower end 131 of two liquid-receivable sections, 12 side is formed as the flat of no difference of height with the bottom BL inside second liquid receiving unit 12 Shape.

Thereby, it is possible to inhibit the delay of the liquid phase refrigerant in second liquid receiving unit 12, therefore in each liquid-receivable section 11,12 inner refrigerants are easy movement.As a result, the internal circulating load of refrigerant can fully be adjusted using liquid receiver 10.

Therefore, it can be realized the whole miniaturization of condenser 1 and make the internal circulating load of the refrigerant in liquid receiver 10 Adjustment function reasonably plays.

Also, in the present embodiment, Liquid acquisition, which has with interconnecting piece 13 from the stacking direction of pipe 2a, bends to pipe 2a Length direction shape, second liquid receiving unit 12 configures in a manner of being overlapped with core 2 in the up-down direction.In this way, logical Crossing makes second liquid receiving unit 12 be formed as the configuration structure being overlapped along the vertical direction with core 2, can be realized in condenser 1 The miniaturization (that is, slimming) of the volume of thickness direction (that is, front-rear direction).

Further, in the present embodiment, be formed as second liquid receiving unit 12 and be connected with the of entrance side-connector 7 The discontiguous configuration structure of two header tank 6.Thereby, it is possible to inhibit refrigerant and the second header tank in second liquid receiving unit 12 Unnecessary heat transmitting between refrigerant in 6.

Here, in the present embodiment, instantiating second liquid receiving unit 12 and the discontiguous configuration of the first header tank 5 being tied Structure, but not limited thereto.For example, it is also possible to be formed as the configuration structure that second liquid receiving unit 12 is contacted with the first header tank 5. This is also identical in embodiment later.

(second embodiment)

Then, second embodiment is illustrated referring to Fig. 8~Figure 11.In the present embodiment, with the first embodiment party Formula the difference lies in that being formed as the configuration structure for being overlapped second liquid receiving unit 12 with core 2 in the up-down direction.

As shown in Figure 8, Figure 9, the liquid receiver 10 of present embodiment with second liquid receiving unit 12 in the up-down direction The mode not being overlapped with core 2 is formed as the configuration structure that second liquid receiving unit 12 is configured to the front side of core 2.Second Liquid-receivable section 12 is configured at the front side of core 2 in the state of from the first header tank 5 and separate core 2.

In order to which second liquid receiving unit 12 to be configured to the front side of core 2, the Liquid acquisition connection of present embodiment Portion 13 has the shape extended along the flow direction of air, that is, front-rear direction.Specifically, Liquid acquisition interconnecting piece 13 has First liquid-receivable section, 11 side be bent from the stacking direction of pipe 2a to the flow direction of air and 12 side of second liquid receiving unit from The flow direction of air is bent the shape of the length direction to pipe 2a.

Also, as shown in figure 9, Liquid acquisition interconnecting piece 13 is formed as following shape: 12 side of second liquid receiving unit Lower end 131 is located at the central location CL compared to the up and down direction inside second liquid receiving unit 12 in the up-down direction And closer to the position of the bottom side BL inside second liquid receiving unit 12.

Other structures of present embodiment are identical with first embodiment.In the present embodiment, liquid receiver 10 It is formed to have the structure of the first, second liquid-receivable section 11,12, therefore identical with first embodiment, does not make Liquid acquisition 11 enlargement of the first liquid-receivable section of device 10 can fully ensure the whole volume of liquid receiver 10.

Also, in the condenser of present embodiment 1, be formed as such as flowering structure: in Liquid acquisition interconnecting piece 13 The lower end of two liquid-receivable sections, 12 side is located at the position of the bottom side of the inside of second liquid receiving unit 12 in the up-down direction. Therefore, it is able to suppress the delay of the liquid phase refrigerant in second liquid receiving unit 12, and can be abundant using liquid receiver 10 The internal circulating load of ground adjustment refrigerant.

Especially, in the present embodiment, Liquid acquisition has the shape extended along the flow direction of air with interconnecting piece 13 Shape, second liquid receiving unit 12 are configured in a manner of not being overlapped with core 2 in the up-down direction.In this way, by making second liquid Receiving unit 12 is formed as the configuration structure not being overlapped along the vertical direction with core 2, can be realized the up and down direction in condenser 1 The miniaturization of volume.

As shown in Figure 10, the advantage point of the configuration structure of present embodiment is, when the front side in core 2 is configured with guarantor When the tectosome CB of the vehicle of dangerous thick stick reinforcer etc., can efficiently use the wasted space formed by tectosome CB is the second liquid The configuration space of body receiving unit 12.

Also, as shown in figure 11, the advantage point of the configuration structure of present embodiment is, when the front side in core 2 is matched When being equipped with other heat exchangers IC of cooler etc., can be by the wasted space formed by other heat exchangers IC effective use The configuration space of second liquid receiving unit 12.

Here, in the present embodiment, being carried out to the example for the front side that second liquid receiving unit 12 is configured to core 2 Explanation, but not limited to this.For example, when the rear side in core 2 is configured with tectosome CB, other heat exchangers IC, it can also Second liquid receiving unit 12 to be configured to the rear side of core 2.

(third embodiment)

Then, 2~Figure 14 is illustrated third embodiment referring to Fig.1.In the present embodiment, with the first embodiment party Formula the difference lies in that constituting the first liquid-receivable section 11 and second liquid receiving unit 12 using seperated component.

As shown in figure 12, each liquid-receivable section 11,12 of the liquid receiver 10 of present embodiment is made of seperated component. The upper end side for the cylindrical portion 111 that the stacking direction along pipe 2a of first liquid-receivable section 11 of present embodiment extends is by cover 114 closings.

The second liquid receiving unit 12 of present embodiment is connected to the first liquid in a manner of not contacting with the first header tank 5 The upper end of the first header tank of ratio 5 in receiving unit 11 is closer to the side position of upper side.Specifically, as shown in figure 13, The second liquid receiving unit 12 of present embodiment is located at the inside of the first liquid-receivable section 11 with the end of 5 side of the first header tank Mode is connected to the first liquid-receivable section 11.The outer diameter L2 of the second liquid receiving unit 12 of present embodiment connects less than the first liquid The outer diameter L1 in receipts portion 11.

Also, the lower end 131 of 12 side of second liquid receiving unit of the Liquid acquisition of present embodiment interconnecting piece 13 exists Be located at the central location CL compared to the up and down direction inside the second liquid receiving unit 12 in up and down direction and closer to the The position of the bottom side BL inside two liquid-receivable sections 12.Also, the Liquid acquisition of present embodiment is with interconnecting piece 13 upper and lower Size on direction is roughly the same with the size of second liquid receiving unit 12 in the up-down direction.

Other structures of present embodiment are identical with first embodiment.It is identical with first embodiment, according to this reality The structure of mode is applied, also can be realized the whole miniaturization of condenser 1 and makes the internal circulating load of the refrigerant in liquid receiver 10 Adjustment function reasonably play.

Here, in the case where constituting each liquid-receivable section 11,12 using single bending piping, in the inner sidewall of piping Thickness increases.In this way, when the wall thickness of piping inside increases, it is possible to lead to Liquid acquisition interconnecting piece 13 unintentionally upwards Protuberance.

In contrast, in the present embodiment, the first liquid-receivable section 11 is constituted using seperated component and second liquid connects Receipts portion 12, and be formed as the structure that second liquid receiving unit 12 is connected to the first liquid-receivable section 11.Therefore, according to this implementation The structure of mode, Liquid acquisition will not unintentionally be swelled upwards with interconnecting piece 13.That is, in the present embodiment, can incite somebody to action The lower end 131 of 12 side of second liquid receiving unit of Liquid acquisition interconnecting piece 13 position in the up-down direction and second liquid The position of bottom BL in the up-down direction inside receiving unit 12 is set in roughly the same position.

(variation of third embodiment)

In above-mentioned third embodiment, to merely by the end of second liquid receiving unit 12 and the first liquid-receivable section The example of 11 connections is illustrated, but not limited to this, it is also possible to connection status shown in Figure 15~Figure 22.In addition, Figure 15, Figure 17, Figure 19, Figure 21 are corresponding with above-mentioned Figure 13 of third embodiment.Also, Figure 16, Figure 18, Figure 20, Figure 22 and above-mentioned Figure 14 of third embodiment is corresponding.

(variation 1)

As shown in Figure 15, Figure 16, liquid receiver 10 can also be formed as such as flowering structure: by by second liquid receiving unit The end of the connecting side connecting with the first liquid-receivable section 11 in 12 zooms into horn-like, and Liquid acquisition is in interconnecting piece 13 The size of portion in the up-down direction is amplified compared with other positions.

The space in the interconnecting piece connecting with the first liquid-receivable section 11 in second liquid receiving unit 12 is vertically as a result, Extension.Therefore, can make the position of the lower end 131 of Liquid acquisition interconnecting piece 13 far from second liquid receiving unit 12 inside The central location CL of up and down direction.According to this structure, the movement of the refrigerant between each liquid-receivable section 11,12 becomes suitable Freely.This is conducive to make the adjustment function of the internal circulating load of the refrigerant in liquid receiver 10 reasonably to play.

(variation 2)

As shown in Figure 17, Figure 18, liquid receiver 10 can also be formed as such as flowering structure: by by second liquid receiving unit It compresses and vertically amplifies, Liquid acquisition along the longitudinal direction in the end of the connecting side being connect with the first liquid-receivable section 11 in 12 It is amplified compared with other positions with the size of the inside of interconnecting piece 13 in the up-down direction.

Specifically, as shown in figure 18, the Liquid acquisition for constituting the end of the second liquid receiving unit 12 of this variation is used The size L3 of interconnecting piece 13 in the longitudinal direction is less than the position other than the end of second liquid receiving unit 12 in the longitudinal direction Size L2 (L3 < L2).Also, position other than the end of the second liquid receiving unit 12 of this variation is in the longitudinal direction Outer diameter L1 (L2 < L1) of the size L2 again smaller than the first liquid-receivable section 11.

The space in the interconnecting piece connecting with the first liquid-receivable section 11 in second liquid receiving unit 12 is also upper and lower as a result, Extension, thus it is identical as above-mentioned variation 1, and the movement of the refrigerant between each liquid-receivable section 11,12 becomes smooth.

(variation 3)

As shown in Figure 19, Figure 20, liquid receiver 10 can also be formed as such as flowering structure: Liquid acquisition interconnecting piece 13 by It is constituted in the block that inside is formed with the through hole of L-shaped, each liquid-receivable section 11,12 passes through Liquid acquisition interconnecting piece 13 Connection.

The lower end 131 of 12 side of second liquid receiving unit of the Liquid acquisition of this variation interconnecting piece 13 is in above-below direction It is upper to be located at the central location CL compared to the up and down direction inside second liquid receiving unit 12 and connect closer to second liquid The position of the bottom side BL inside receipts portion 12.

In this way, even if each liquid-receivable section 11,12 is formed as each liquid-receivable section 11,12 by the block by seperated component The structure that the Liquid acquisition of composition is connected with interconnecting piece 13, can also obtain effect identical with above-mentioned third embodiment Fruit.

(variation 4)

As shown in Figure 21, Figure 22, liquid receiver 10 can also be formed as such as flowering structure: Liquid acquisition interconnecting piece 13 by Piping is constituted, and each liquid-receivable section 11,12 is connected by Liquid acquisition interconnecting piece 13.The Liquid acquisition of this variation connects The lower end 131 of 12 side of second liquid receiving unit of socket part 13 is located in the up-down direction compared to close to second liquid receiving unit The central location CL of up and down direction inside 12 and closer to the position of the bottom side BL inside second liquid receiving unit 12.

Also, as shown in figure 22, the Liquid acquisition of this variation is less than with the size L3 of interconnecting piece 13 in the longitudinal direction The size L2 (L3 < L2) of second liquid receiving unit 12 in the longitudinal direction.Also, second liquid receiving unit 12 is in the longitudinal direction Size L2 again smaller than the first liquid-receivable section 11 outer diameter L1 (L2 < L1).

In this way, even if each liquid-receivable section 11,12 is formed as each liquid-receivable section 11,12 by the piping by seperated component The structure that the Liquid acquisition of composition is connected with interconnecting piece 13, can also obtain effect identical with above-mentioned third embodiment Fruit.

(the 4th embodiment)

Then, the 4th embodiment is illustrated referring to Figure 23~Figure 25.In the present embodiment, with the first embodiment party Formula the difference lies in that constituting each liquid-receivable section 11,12 and Liquid acquisition interconnecting piece 13 using seperated component.

As shown in figure 23, the liquid receiver 10 of present embodiment constitutes each liquid-receivable section 11,12 using seperated component And Liquid acquisition interconnecting piece 13.Hereinafter, being illustrated to each component of the liquid receiver 10 of present embodiment.

First liquid-receivable section 11 has the cylindric cylindrical portion 111 extended along the stacking direction of pipe 2a.First liquid The cylindrical portion 111 of body receiving unit 11 is open by upper end and the closed cylindrical body with the end in lower end is constituted.First Liquid acquisition The cylindrical portion 111 in portion 11 has following size: upper-end part of driving is in the upper end than the first header tank 5 closer to the position of upper side It sets.Liquid acquisition interconnecting piece 13 is connected in the upper end of cylindrical portion 111.

Also, the cylindrical portion 111 of the first liquid-receivable section 11 in the lateral direction in the first header tank 5 and condensation part 21 and supercooling portion 22 connect position relative configuration.

It is set at the position corresponding with the inner space 51b in center of the first header tank 5 of the cylindrical portion 111 of present embodiment It is equipped with refrigerant introduction part 111a, the refrigerant introduction part 111a is by refrigerant from inner space 51b to liquid receiver 10 Refrigerant memory space imports.The position of the inner space 51b in the center of the first header tank 5 of refrigerant introduction part 111a and composition Engagement.

Also, in the corresponding with the inner space 51c of lower section of the first header tank 5 of the cylindrical portion of present embodiment 111 Position is provided with refrigerant leading-out portion 111b, and the refrigerant leading-out portion 111b is by liquid phase refrigerant from the refrigeration of liquid receiver 10 Internally space 51c is exported agent memory space.The inner space of the lower section of the first header tank 5 of refrigerant leading-out portion 111b and composition The position of 51c engages.

Then, second liquid receiving unit 12 have the cylindric cylindrical portion 121 extended along the length direction of pipe 2a and Closed cover 122 is carried out to 6 side of the second header tank of cylindrical portion 121.

The cylindrical portion 121 of second liquid receiving unit 12 is made of the cylindrical body that both ends are open.Second liquid receiving unit 12 6 side of the second header tank of cylindrical portion 121 closed by cover 122, and 5 side of the first header tank and Liquid acquisition are connected with interconnecting piece 13 It connects.

Then, Liquid acquisition interconnecting piece 13 is the component for connecting each liquid-receivable section 11,12.The liquid of present embodiment First in the upper end and second liquid receiving unit 12 of composition the first liquid-receivable section 11 of connection of reception interconnecting piece 13 catchments The connecting component of the end of 5 side of case.

As shown in figure 24, the Liquid acquisition of present embodiment is made of with interconnecting piece 13 block, and the block is by vertically The hole with the end of the through hole of extension and to the right side opening and form T-shaped internal path.Liquid acquisition 13 shape of interconnecting piece As following shape: the lower end 131 of 12 side of second liquid receiving unit is located in the up-down direction compared to close to second liquid Position of the central location CL of up and down direction inside receiving unit 12 closer to the bottom side BL inside second liquid receiving unit 12.

The Liquid acquisition interconnecting piece 13 of present embodiment is formed as phase with the lower end 131 of 12 side of second liquid receiving unit Second liquid receiving unit is connected to for the mode of even shape of the bottom BL without difference of height inside second liquid receiving unit 12 12。

Also, as shown in figure 25, the opening portion of the upper side in the internal path of Liquid acquisition interconnecting piece 13 is by case lid 132 closings.Case lid 132 is configured to detachable relative to Liquid acquisition interconnecting piece 13.

Case lid 132 constitutes the holding member for keeping filter 14.First liquid-receivable section 11 by by case lid 132 from liquid Reception interconnecting piece 13 is assembled and disassembled and can replace filter 14, desiccant part 15.

Other structures of present embodiment are identical with first embodiment.Structure according to the present embodiment, with first Embodiment is identical, also can be realized the whole miniaturization of condenser 1 and makes the internal circulating load of the refrigerant in liquid receiver 10 Adjustment function reasonably play.

Especially, in the present embodiment, be formed as the case lid 132 in the upper end for being connected to the first liquid-receivable section 11 The structure of filter 14 is set.As a result, by assembly and disassembly case lid 132, filter 14, desiccant part 15 can be easily replaced.

(the 5th embodiment)

Then, the 5th embodiment is illustrated referring to Figure 26, Figure 27.In the present embodiment, with the first embodiment party Formula the difference lies in that the connecting pipings seperated with each liquid-receivable section 11,12 is utilized to constitute Liquid acquisition interconnecting piece 13.

As shown in figure 26, the liquid receiver 10 of present embodiment be made of seperated component each liquid-receivable section 11,12 and Liquid acquisition interconnecting piece 13.Hereinafter, being illustrated to each component of the liquid receiver 10 of present embodiment.

First liquid-receivable section 11 has the cylindric cylindrical portion 111 extended along the stacking direction of pipe 2a.First liquid The cylindrical portion 111 of body receiving unit 11 is made of the cylindrical body that both ends are open.The formation of cylindrical portion 111 of first liquid-receivable section 11 For following size: upper-end part of driving is in the upper end than the first header tank 5 closer to the position of lower side.

The upper end of cylindrical portion 111 is closed by cover 114 and lower end is closed by case lid 113.In the first liquid-receivable section 11 cover 114 is connected with the end for the Liquid acquisition interconnecting piece 13 being made of connecting pipings.

In the cylindrical portion 111 of present embodiment, in portion corresponding with the inner space 51b in center of the first header tank 5 Position is provided with refrigerant introduction part 111a, and the refrigerant introduction part 111a is by refrigerant from inner space 51b to liquid receiver 10 refrigerant memory space imports.Also, in the cylindrical portion of present embodiment 111, in the lower section with the first header tank 5 The corresponding position inner space 51c is provided with refrigerant leading-out portion 111b, the refrigerant leading-out portion 111b by liquid phase refrigerant from Internally space 51c is exported the refrigerant memory space of liquid receiver 10.

Then, second liquid receiving unit 12 has the cylindric cylindrical portion 121 extended along the length direction of pipe 2a, right 6 side of the second header tank of cylindrical portion 121 carries out closed cover 122 and seals to 5 side of the first header tank of cylindrical portion 121 The cover 123 closed.

The cylindrical portion 121 of second liquid receiving unit 12 is made of the cylindrical body that both ends are open.Second liquid receiving unit 12 6 side of the second header tank of cylindrical portion 121 closed by cover 122, and 5 side of the first header tank is connected to Liquid acquisition interconnecting piece 13.The end for the Liquid acquisition interconnecting piece 13 being made of connecting pipings is connected in the cover 123 of second liquid receiving unit 12.

Then, Liquid acquisition interconnecting piece 13 is the component for connecting each liquid-receivable section 11,12.The liquid of present embodiment Reception interconnecting piece 13 is constituted the first header tank 5 in the upper end of the first liquid-receivable section 11 and second liquid receiving unit 12 The connecting pipings of the end connection of side.

The Liquid acquisition interconnecting piece 13 of present embodiment is made of the piping for bending to L-shaped.In order to avoid with first The interference of the upper end of header tank 5, the Liquid acquisition of present embodiment with interconnecting piece 13 by outer diameter be less than each liquid-receivable section 11, The piping of 12 respective outer diameters is constituted.

As shown in figure 27, the Liquid acquisition of present embodiment is with interconnecting piece 13 with the lower end of 12 side of second liquid receiving unit 131 are located at the central location CL compared to the up and down direction inside second liquid receiving unit 12 in the up-down direction and more lean on The mode of the position of the bottom side BL inside nearly second liquid receiving unit 12 is connect with second liquid receiving unit 12.

More specifically, the Liquid acquisition of present embodiment is with interconnecting piece 13 with the lower end of 12 side of second liquid receiving unit 131 be located at than bottom BL second liquid receiving unit 12 inside closer to lower section position mode and second liquid receiving unit 12 Connection.

Especially, in the present embodiment, it is less than the outer diameter for constituting the Liquid acquisition interconnecting piece 13 of connecting pipings each The outer diameter of liquid-receivable section 11,12.It is extra to set between the first liquid-receivable section 11 and the first header tank 5 thereby, it is possible to not Gap be just capable of forming the configuration structure that liquid receiver 10 and the first header tank 5 are not interfered.This is advantageously implemented condenser 1 Miniaturization.

(sixth embodiment)

Then, sixth embodiment is illustrated referring to Figure 28.In the present embodiment, not with the 5th embodiment It is with point, constitutes Liquid acquisition interconnecting piece 13 and second liquid using the connecting pipings seperated with the first liquid-receivable section 11 Receiving unit 12.

As shown in figure 28, the liquid receiver 10 of present embodiment constitutes each liquid-receivable section 11,12 using seperated component And Liquid acquisition interconnecting piece 13.Hereinafter, being illustrated to each component of the liquid receiver 10 of present embodiment.

As shown in figure 28, second liquid receiving unit 12 and Liquid acquisition interconnecting piece 13 are by bending to the single of L-shaped Piping is constituted.Also, in order to avoid the interference of the upper end with the first header tank 5, second liquid receiving unit 12 and Liquid acquisition Piping with interconnecting piece 13 by outer diameter less than the outer diameter of the first liquid-receivable section 11 is constituted.

The lower end 131 of 12 side of second liquid receiving unit of the Liquid acquisition of present embodiment interconnecting piece 13 is in upper and lower Be located at the central location CL compared to the up and down direction inside the second liquid receiving unit 12 upwards and closer to second liquid The position of the bottom side BL inside receiving unit 12.

The liquid receiver 10 of present embodiment constitutes second liquid receiving unit 12 and Liquid acquisition using single piping With interconnecting piece 13.Therefore, in the liquid receiver of present embodiment 10, the second liquid of Liquid acquisition interconnecting piece 13 is received The lower end 131 of 12 side of portion and the bottom BL inside second liquid receiving unit 12 are formed as the even shape of no difference of height.

Other structures of present embodiment are identical as the 5th embodiment.In the present embodiment, connect second liquid Outer diameter of the outer diameter of the Liquid acquisition interconnecting piece 13 of receipts portion 12 and composition connecting pipings less than the first liquid-receivable section 11.Cause This, structure according to the present embodiment also can be realized effect identical with the 5th embodiment.

(variation of sixth embodiment)

In the above-described embodiment, instantiate using 11 pairs of composition second liquid receiving units 12 of the first liquid-receivable section and The liquid receiver 10 that the single piping of Liquid acquisition interconnecting piece 13 is supported, but not limited thereto.

Such as shown in Figure 29, liquid receiver 10 can also be formed as such as flowering structure: constitute second liquid receiving unit 12 and The single piping of Liquid acquisition interconnecting piece 13 is supported by the first liquid-receivable section 11 and the second header tank 6.In this case, It is preferred that insulation is arranged between the end of 6 side of the second header tank of second liquid receiving unit 12 and the upper end of the second header tank 6 Component 60, and the end of 6 side of the second header tank of second liquid receiving unit 12 is engaged in second via the heat insulating member 60 Header tank 6.In addition, heat insulating member 60 is made of the material (for example, resin) with thermal insulation.

Thereby, it is possible to utilize 6 pairs of composition second liquid receiving units 12 of the first liquid-receivable section 11 and the second header tank and liquid The single piping of body reception interconnecting piece 13 is supported, therefore can be realized the raising of vibration resistance.Also, pass through insulation Component 60, the unnecessary heat transmitting between second liquid receiving unit 12 and the second header tank 6 is suppressed, therefore can also ensure that The heat dissipation performance of condenser 1.

In addition, though it is not shown, but can also be formed as such as flowering structure: second in second liquid receiving unit 12 is catchmented The end of 6 side of case is directly joined the second header tank 6, and constitutes the using the first liquid-receivable section 11 and 6 pairs of the second header tank The single piping of two liquid-receivable sections 12 and Liquid acquisition interconnecting piece 13 is supported.

(the 7th embodiment)

Then, the 7th embodiment is illustrated referring to Figure 30.In the present embodiment, not with first embodiment It is with putting, the first header tank 5 is made to be formed as the structure comprising two case portions 50a, 50b.

First header tank 5 of present embodiment has top sidepod portion 50a, lower section sidepod portion 50b and case interconnecting piece 50c, Each case portion 50a, 50b of case interconnecting piece 50c connection.Each case portion 50a, 50b is made of the cylindrical body of the stacking direction extension along pipe 2a. Also, case interconnecting piece 50c is made of the cylindrical body of the length direction extension along pipe 2a.

Inner space 61a of the top sidepod portion 50a via the pipe 2a for constituting condensation part 21 and with the top of the second header tank 6 Connection.The inner space 51d of top sidepod portion 50a is the refrigerant collection made in the pipe 2a flowing for constituting the upper section side of condensation part 21 The space of conjunction.

In lower section sidepod portion 50b, as the partition member separated above and below inner space is arranged there are two separator 5a, 5b.The inside of first header tank 5 is divided into three inner space 51a~51c by two separators 5a, 5b.

Also, in the sidepod portion 50b of lower section, refrigerant is bonded at the position for the inner space 51b for constituting center and is imported Portion 112a, and the position of the inner space 51c below composition is bonded to refrigerant leading-out portion 112b.

The position of the upper side at the position and lower section sidepod portion 50b of the lower side of case interconnecting piece 50c and top sidepod portion 50a Connection, so that the inner space 51d of top sidepod portion 50a is connected to the inner space 51a of the top of lower section sidepod portion 50b.

In order to avoid the interference of top sidepod portion 50a and Liquid acquisition interconnecting piece 13, top sidepod portion 50a be connected to The lower section sidepod portion 50b of refrigerant introduction part 112a is compared, and is configured on the length direction of pipe 2a further from the first liquid and is connect The position in receipts portion 11.

In this way, the first header tank 5 of present embodiment is formed as such as flowering structure: connecting compared to refrigerant introduction part 112a The connecting portion connect, with connect the Liquid acquisition of each liquid-receivable section 11,12 with the close position of interconnecting piece 13 pipe 2a length It spends on direction further from the first liquid-receivable section 11.

Although also, the liquid receiver 10 of present embodiment constitutes each liquid-receivable section 11,12 using single piping And Liquid acquisition interconnecting piece 13, but the bend mode of the interconnecting piece 13 of the Liquid acquisition between each liquid-receivable section 11,12 and the The liquid receiver 10 of one embodiment is gentle compared to more.

Especially, the first header tank 5 of present embodiment is formed as such as flowering structure: compared to refrigerant introduction part 112a The connecting portion of connection, in the first header tank 5 with Liquid acquisition with the close position of interconnecting piece 13 pipe 2a length direction On further from the first liquid-receivable section 11.

Even if the Liquid acquisition as a result, between each liquid-receivable section 11,12 is gentle with the bend mode of interconnecting piece 13, also can Avoid the interference of Liquid acquisition interconnecting piece 13 and the first header tank 5.This is advantageously implemented the miniaturization of condenser 1.

(the 8th embodiment)

Then, the 8th embodiment is illustrated referring to Figure 31.In the present embodiment, not with first embodiment It is with putting, sets the both ends of upper end side plate 3 to the shape being recessed to the lower side, and by the first header tank 5 with the upper end Portion configures compared with the upper end of core closer to the mode of lower side.

As shown in figure 31, each header tank 5 of the upper end side plate 3 of present embodiment, the both ends of 6 sides are formed as to the lower side The step shape of recess.Gap between the both ends for being formed in upper end side plate 3 is configured with the fin 2b of core 2.

Also, the first header tank 5 of present embodiment is with the top side of end thereon and the upper end for being constituted core 2 The mode that fin 2b compares positioned at the position of side further below configures.The first header tank 5 of present embodiment is formed as in pipe as a result, From the configuration structure that Liquid acquisition is isolated with interconnecting piece 13 on the stacking direction of 2a.

Also, it is identical as the 7th embodiment, in the liquid receiver 10 of present embodiment, each liquid-receivable section 11, The bend mode of Liquid acquisition interconnecting piece 13 between 12 is gentler compared with the liquid receiver 10 of first embodiment.

Especially, the first header tank 5 of present embodiment is formed as such as flowering structure: in the first header tank 5 close to liquid The position of reception interconnecting piece 13 separates on the stacking direction of pipe 2a from Liquid acquisition interconnecting piece 13.

(the 9th embodiment)

Then, the 9th embodiment is illustrated referring to Figure 32.In the present embodiment, not with the 7th embodiment It is with point, liquid receiver 10 is made to be configured to detachable relative to the component parts 16 for constituting refrigerant introduction part 161.

Figure 32 is the schematic elevational view of condenser 1 involved in present embodiment.In addition, for convenience of description, In Figure 32, illustrated to by liquid receiver 10 from the state that the component parts 16 of refrigerant introduction part 161 unloads.

As shown in figure 32, the liquid receiver 10 of present embodiment is led via composition refrigerant introduction part 161 and refrigerant Out the component parts 16 in portion 162 and connect with the first header tank 5.Component parts 16 is formed with refrigerant introduction part 161 and refrigeration It agent leading-out portion 162 and is engaged with the first header tank 5.

The liquid receiver 10 of present embodiment contains filter 14 and desiccant part 15 inside it.Present embodiment Liquid receiver 10 lower end of first liquid-receivable section 11 is provided with fitting portion 115, filter can be being contained 14 and desiccant part 15 in the state of carry out with the assembly and disassembly of component parts 16, fitting portion 115 be formed in the embedding of component parts 16 It is chimeric to close insertion section 163.

Also, the liquid receiver 10 of present embodiment is fastened by the connection parts 17 of bolt etc. with component parts 16 Connection, to maintain for fitting portion 115 to be fitted to the state of the chimeric insertion section 163 of component parts 16.

Other structures of present embodiment are identical as the 7th embodiment.Structure according to the present embodiment, also can Realize effect identical with the 7th embodiment.Especially, be formed as in the present embodiment such as flowering structure: liquid receiver 10 It is detachable relative to the component parts 16 for constituting refrigerant introduction part 161.Pass through assembly and disassembly liquid receiver 10, Neng Gourong as a result, It changes places and replaces filter 14, desiccant part 15.

Here, in the present embodiment, accommodating filter 14 and 15 liang of desiccant part in the inside of liquid receiver 10 The example of person is illustrated, but not limited to this, for example, it is also possible to be formed as containing the one of filter 14 and desiccant part 15 The structure of side.

(the tenth embodiment)

Then, the tenth embodiment is illustrated referring to Figure 33, Figure 34.In the present embodiment, with the first embodiment party Formula the difference lies in that multiple protrusions 31 outstanding upwards are arranged to upper end side plate 3.

As shown in Figure 33, Figure 34, in the upper end side plate 3 of present embodiment, in the whole region of the length direction of pipe 2a It is formed with multiple sides upward protrusion 31 outstanding.In the upper end side plate 3 of present embodiment, its lower end side with it is each The corresponding position of protrusion 31 is formed with the notch 32 for the V-shaped being recessed upwards.Each protrusion 31 is located at its top The mode of position than the upper end of each header tank 5,6 closer to upper side is prominent.

Also, in the lower end side plate 4 of present embodiment, multiple courts are formed in the whole region of the length direction of pipe 2a Protrusion 41 outstanding to the lower side.In the lower end side plate 4 of present embodiment, corresponding with each protrusion 41 of end side thereon Position be formed with the notch 42 of the V-shaped being recessed to the lower side.Each protrusion 41 is located at its top than each header tank 5,6 Lower end closer to the position of lower side mode it is prominent.

The top of each protrusion 31 of the bottom side and upper end side plate 3 of the second liquid receiving unit 12 of present embodiment connects It closes.In other words, the top of each protrusion 31 of upper end side plate 3 is engaged with the bottom of second liquid receiving unit 12.

Especially, in the present embodiment, be formed as each protrusion 31 for making upper end side plate 3 and second liquid receiving unit 12 The structure of engagement.Thereby, it is possible to make second liquid receiving unit 12 also play reinforced core 2 upper end side strengthening part function Energy.As a result, the rigidity of core 2 can be fully ensured.

Also, due to be formed as engaging second liquid receiving unit 12 with the top of each protrusion 31 of upper end side plate 3 Structure, therefore it is able to suppress the unnecessary heat exchange of the refrigerant and second liquid receiving unit 12 that flow in core 2.In addition, Due to the structure for being formed as upper end side plate 3 being arranged notch 32, the refrigerant flowed in core 2 can be further suppressed With the unnecessary heat exchange of second liquid receiving unit 12.

However, fin 2b being configured between each pipe 2a and each plate 3,4 being configured on the stacking direction of pipe 2a In the state of end, the core 2 of condenser 1 is assembled by the fixture of metal wire etc., and later by heating the group in furnace Fill body and soldered joint.

The condenser 1 of present embodiment has the following advantages: due to be formed between each protrusion 31 of upper end side plate 3 from The isolated gap of second liquid receiving unit 12, thus can using the gap as in the assembling of core 2 supply used metal Line by space utilize.

Here, in the present embodiment, the example that protrusion 41 and notch 42 just is arranged to lower end side plate 4 is said Bright, but not limited thereto.Also the protrusion 41 and notch 42 of lower end side plate 4 be can be omitted.

Also, the structure for upper end side plate 3 being arranged protrusion 31 and notch 32 in the present embodiment, is instantiated, but It is without being limited thereto.Upper end side plate 3 can also for example be formed as being provided only with protrusion 31 and the structure that is not provided with notch 32.This Also identical in variation later.

(variation of the tenth embodiment)

In the tenth above-mentioned embodiment, the whole region of the length direction of the pipe 2a in upper end side plate 3 is arranged prominent The example for playing portion 31 is illustrated, and but not limited thereto.It, can also be in the pipe of upper end side plate 3 such as shown in Figure 35~Figure 37 A part setting protrusion 31 of the length direction of 2a.

(variation 1)

In condenser 1, the position for being easiest to become high temperature is the entrance side company for importing the refrigerant being discharged from compressor It connects near device 7.

Therefore, as shown in Figure 35, Figure 36, condenser 1 can also be formed as such as flowering structure: set to protrusion 31,41 deviations It is placed in 6 side of the second header tank for being connected with entrance side-connector 7 in each plate 3,4.

Also, in 5 side of the first header tank of core 2, flowing has the refrigeration that temperature is low compared with 7 side of entrance side-connector Agent.Therefore, for 5 side of the first header tank of each plate 3,4, the flat part 33,43 of no protrusion 31,41 can also be formed, and will The upper surface side of the flat part 33 of upper end side plate 3 is engaged in the bottom of second liquid receiving unit 12.

Thereby, it is possible to fully ensure the engagement engaged with second liquid receiving unit 12 in the flat part of upper end side plate 3 33 Area, therefore the unnecessary heat exchange one of the refrigerant and second liquid receiving unit 12 that flow in core 2 can be inhibited on one side While fully ensuring the rigidity of core 2.

(variation 2)

Also, as shown in figure 37, the type of flow of the refrigerant in the condensation part of core 2 21 is the knot of U-shaped flowing In structure, entrance side-connector 7 is connect with the first header tank 5.In such a configuration, can also be formed as such as flowering structure: upper 5 side of the first header tank setting protrusion 31 for being connected with entrance side-connector 7 in end side plate 3, in the second opposite header tank 6 The flat part 33 without protrusion 31 is arranged in side.Thereby, it is possible to fully ensure to connect with second liquid receiving unit 12 in flat part 33 The bonding area of conjunction, therefore the unnecessary of the refrigerant and the second liquid receiving unit 12 that flow in core 2 can be inhibited on one side Heat exchange fully ensures the rigidity of core 2 on one side.

(the 11st embodiment)

Then, the 11st embodiment is illustrated referring to Figure 38~Figure 42.In the present embodiment, implement with first Mode the difference lies in that supercooling portion 22 to be configured to the upper side of condensation part 21.

Firstly, being carried out briefly to the reasons why supercooling portion 22 is configured at the upper side of condensation part 21 in condenser 1 It is bright.In the idling of vehicle, the dynamic pressure of the air as caused by traveling wind does not act on condenser 1 etc., it produces sometimes It is raw by condenser 1, the high temperature of the radiator of engine cool (not shown) air via condenser 1 lower side The phenomenon that being involved in condenser 1 again.When such high temperature air is when being involved in generation, the cooling of the lower side of condenser 1 is interfered.

Therefore, in the condenser of present embodiment 1, in order to inhibit the cooling in supercooling portion 22 caused by high temperature air The reduction of performance, as shown in figure 38, using the structure in the upper side configuration supercooling portion 22 in condensation part 21.

In the first header tank 5 of present embodiment, it is provided with as by the partition member separated above and below inner space Two separators 5a, 5b.It is internal empty that the inside of first header tank 5 of present embodiment is divided into three be connected to core 2 Between 51e~51g.

The inner space 51e of top in three inner space 51e~51g is the sky that refrigerant is distributed to supercooling portion 22 Between.The inner space 51e of top via the refrigerant leading-out portion 13a for being formed in Liquid acquisition interconnecting piece 13 and with the first liquid The inner space of receiving unit 11 is connected to.Therefore, the liquid phase refrigerant of the inside of the first liquid-receivable section 11 is exported via refrigerant The portion 13a and inner space 51e of top and be imported into supercooling portion 22.

The inner space 51f in center is the space for turning to the flow direction of the refrigerant in condensation part 21.Lower section it is interior Portion space 51g is the space for making to have passed through the refrigerant set of condensation part 21.The inner space 51g of lower section connects via the first liquid Refrigerant introduction part 111a in receipts portion 11 and be connected to the inner space of the first liquid-receivable section 11.Therefore, condensation has been passed through The refrigerant in portion 21 is imported into the first liquid-receivable section 11 via the inner space 51g and refrigerant introduction part 111a of lower section It is internal.

Then, it in the second header tank 6 of present embodiment, is set as by the partition member separated above and below inner space Separator 6a, 6b there are two setting.The inside of second header tank 6 of present embodiment is divided into three be connected to core 2 Portion space 61e~61g.

The inner space 61e of top in three inner space 61e~61g is the refrigerant for making to have passed through supercooling portion 22 The space of set.The inner space 61f in center is the space that refrigerant is distributed to condensation part 21.The inner space 61g of lower section is The space for turning to the flow direction of the refrigerant in condensation part 21.

In the second header tank 6 of present embodiment, the position of the inner space 61e above composition is connected with outlet side Connector 8.Also, in the second header tank 6 of present embodiment, it is connected at the position for the inner space 61f for constituting center Entrance side-connector 7.

Then, the liquid receiver of present embodiment 10 is illustrated.The liquid receiver 10 of present embodiment utilizes Seperated component constitutes each liquid-receivable section 11,12 and Liquid acquisition interconnecting piece 13.Hereinafter, to the Liquid acquisition of present embodiment The each component of device 10 is illustrated.

First liquid-receivable section 11 has the cylindric cylindrical portion 111 extended along the stacking direction of pipe 2a.First liquid The cylindrical portion 111 of body receiving unit 11 is open by upper end and the closed cylindrical body with the end in lower end is constituted.First Liquid acquisition End is connected with Liquid acquisition interconnecting piece 13 to the cylindrical portion 111 in portion 11 on it.

Also, the cylindrical portion 111 of the first liquid-receivable section 11 in the lateral direction in the first header tank 5 and condensation part The position relative configuration of 21 connections.In the cylindrical portion 111 of present embodiment, the inside in the lower section with the first header tank 5 is empty Between the corresponding position 51g be provided with refrigerant introduction part 111a, the refrigerant introduction part 111a is by refrigerant from inner space 51g It is imported to the refrigerant memory space of liquid receiver 10.The lower section of the first header tank 5 of refrigerant introduction part 111a and composition The position of inner space 51g engages.

Then, second liquid receiving unit 12 have the cylindric cylindrical portion 121 that extends along the length direction of pipe 2a with And the cover 122 of 6 side of the second header tank of closing cylindrical portion 121.The cylindrical portion 121 of second liquid receiving unit 12 is opened by both ends The cylindrical body of mouth is constituted.6 side of the second header tank of the cylindrical portion 121 of second liquid receiving unit 12 is closed by cover 122, and first 5 side of header tank is connected to Liquid acquisition interconnecting piece 13.

Then, Liquid acquisition interconnecting piece 13 is the component for connecting each liquid-receivable section 11,12.The liquid of present embodiment Reception interconnecting piece 13 is constituted the first header tank 5 in the upper end of the first liquid-receivable section 11 and second liquid receiving unit 12 The connecting component of the end connection of side.The Liquid acquisition of present embodiment is made of with interconnecting piece 13 block, which passes through upper The hole with the end of the through hole of lower extension and to the right side opening and the internal path for forming L-shaped.

Also, in the Liquid acquisition of present embodiment in interconnecting piece 13, the inside in the top with the first header tank 5 is empty Between the corresponding position 51e be provided with refrigerant leading-out portion 13a, the refrigerant leading-out portion 13a is by liquid phase refrigerant from Liquid acquisition Internally space 51e is exported the refrigerant memory space of device 10.Refrigerant leading-out portion 13a and the top for constituting the first header tank 5 Inner space 51e position engagement.

Also, the opening portion of the upper side in the internal path of Liquid acquisition interconnecting piece 13 is closed by case lid 132.Case lid 132 are configured to detachable relative to Liquid acquisition interconnecting piece 13.

As shown in figure 39, the liquid receiver 10 of present embodiment makes each Liquid acquisition in being internally provided with for case lid 132 The Liquid acquisition side interconnecting part 132a and the supercooling for being connected to the first liquid-receivable section 11 with supercooling portion 22 that portion 11,12 is connected to Side interconnecting part 132b.

As shown in Figure 39, Figure 40, Figure 41, Figure 42, Liquid acquisition side interconnecting part 132a include be formed in case lid 132 along upper The through hole of the through hole that lower direction extends and the upper side for being formed in case lid 132 extended in left-right direction.Liquid acquisition side The lower side of interconnecting part 132a is connected to the first liquid-receivable section 11 and upper side is via being formed in Liquid acquisition interconnecting piece 13 Internal path and be connected to second liquid receiving unit 12.

As shown in figure 39, the Liquid acquisition interconnecting piece 13 of present embodiment is formed as following shape: second liquid receives The lower end 131 of 12 side of portion is located in the up-down direction compared in the up and down direction inside second liquid receiving unit 12 Entreat position CL and closer to the position of the bottom side BL inside second liquid receiving unit 12.The Liquid acquisition side of present embodiment connects Logical portion 132a is formed as with the lower end 131 of 12 side of second liquid receiving unit relative to the bottom inside second liquid receiving unit 12 The mode of even shape of the BL without difference of height is connect with second liquid receiving unit 12.

Then, as shown in Figure 39, Figure 41, Figure 42, supercooling side interconnecting part 132b includes to be formed in case lid 132 vertically The through hole that the right direction of the through hole that direction extends and the center side for being formed in case lid 132 extends.

The lower side of supercooling side interconnecting part 132b via it is aftermentioned draw piping 18 and with the first liquid-receivable section 11 connect It is logical, and upper side is connected to via refrigerant leading-out portion 13a with the inner space 51e of the top of the first header tank 5.

In the supercooling side interconnecting part 132b of present embodiment, in the whole of side corresponding with refrigerant leading-out portion 13a A region is configured with netted filter 14.Filter 14 is fixed on the side of case lid 132 by welding etc..

Also, as shown in figure 38, in supercooling side, interconnecting part 132b, which is connected with, draws piping 18, this draws piping 18 and will accumulate The liquid phase refrigerant for being stored in the bottom side of the first liquid-receivable section 11 is drawn onto supercooling side interconnecting part 132b.First liquid-receivable section 11 inner space is connected to via 18 and supercooling side interconnecting part 132b of piping is drawn with refrigerant leading-out portion 13a.

It is only stored in the liquid phase refrigerant of liquid receiver 10 as a result, via drawing piping 18 and refrigerant leading-out portion 13a flow to the inner space 51e of the top of the first header tank 5.Then, the inner space of the top of the first header tank 5 is flowed into The liquid phase refrigerant of 51e flows through supercooling portion 22 and is over cooled.

Here, the outside of case lid 132, which is provided with multiple be used as, to prevent from case lid 132 and Liquid acquisition interconnecting piece 13 Gap refrigerant External leakage and each interconnecting part 132a, 132b between internal leakage O-ring as a seal part 133。

Other structures of present embodiment are identical with first embodiment.Structure according to the present embodiment, with first Embodiment is identical, also can be realized the whole miniaturization of condenser 1 and makes the internal circulating load of the refrigerant in liquid receiver 10 Adjustment function reasonably play.Also, as present embodiment, supercooling portion 22 is configured to the top of condensation part 21 The structure of side is suitble to high temperature air to be easy environment of the side around condenser 1 from below.

(variation of the 11st embodiment)

In the 11st above-mentioned embodiment, to by filter 14 be configured in the interconnecting part 132b of supercooling side with system The example of the whole region of the corresponding side cryogen leading-out portion 13a is illustrated, and but not limited thereto.For example, it is also possible to Position the configurating filtered device 14 shown in Figure 43~Figure 46.

(variation 1)

As shown in figure 43, filter 14 can also be formed as to surround the side of the lower end and lower end of drawing piping 18 The structure that configures of mode.In this case, filter 14 is fixed on by welding etc. draws piping 18.

(variation 2)

As shown in figure 44, filter 14 can also be formed as the knot configured in a manner of surrounding the upper end for drawing piping 18 Structure.In this case, filter 14 is fixed on also by welding etc. and draws piping 18.

(variation 3)

As shown in Figure 45, Figure 46, filter 14 can also be formed as only in the interconnecting part 132b of supercooling side with refrigeration The structure of the corresponding position configuration of agent leading-out portion 13a.In this case, filter 14 is fixed on case lid 132 by welding etc. Side.

(the 12nd embodiment)

Then, the 12nd embodiment is illustrated referring to Figure 47, Figure 48.In the present embodiment, implement with second Mode the difference lies in that constituting the first liquid-receivable section 11 and second liquid receiving unit 12 using seperated component.

As shown in figure 47, each liquid-receivable section 11,12 of the liquid receiver 10 of present embodiment is made of seperated component. Second liquid receiving unit 12 and Liquid acquisition interconnecting piece 13 are integrally formed by single piping.

The upper end for the cylindrical portion 111 that the stacking direction along pipe 2a of first liquid-receivable section 11 of present embodiment extends It is closed by cover 114 side.As shown in figure 48, in the first liquid-receivable section 11, the side shape in the front at the position of side above At there is engagement hole portion 11a, which constitutes second liquid receiving unit 12 and Liquid acquisition connection for engaging with hole portion 11a The piping in portion 13.

The second liquid receiving unit 12 of present embodiment is configured at core in a manner of not being overlapped in the up-down direction with core 2 The front side in portion 2.The second liquid receiving unit 12 of present embodiment is matched in the state of from the first header tank 5 and separate core 2 It is placed in the front side of core.

With interconnecting piece 13, side is inserted into and is formed in the first liquid-receivable section 11 Liquid acquisition of present embodiment at one end Engagement is engaged in the state of hole portion 11a with the first liquid-receivable section 11.In order to which second liquid receiving unit 12 is configured at core 2 Front side, the Liquid acquisition of present embodiment has the shape extended along the flow direction of air, that is, front-rear direction with interconnecting piece 13 Shape.Specifically, Liquid acquisition is with the flow direction extension along air and curved from the flow direction of air with interconnecting piece 13 The shape of the length direction of Qu Xiangguan 2a.

Also, the lower end 131 of 12 side of second liquid receiving unit of the Liquid acquisition of present embodiment interconnecting piece 13 exists Be located at the central location CL compared to the up and down direction inside the second liquid receiving unit 12 in up and down direction and closer to the The position of the bottom side BL inside two liquid-receivable sections 12.

The liquid receiver 10 of present embodiment constitutes second liquid receiving unit 12 and Liquid acquisition using single piping With interconnecting piece 13.Therefore, the second liquid receiving unit of the Liquid acquisition interconnecting piece 13 of the liquid receiver 10 of present embodiment The lower end 131 of 12 sides and the bottom BL inside second liquid receiving unit 12 are formed as the even shape of no difference of height.

Other structures of present embodiment are identical as second embodiment.Structure according to the present embodiment, with second Embodiment is identical, also can be realized the whole miniaturization of condenser 1 and makes the internal circulating load of the refrigerant in liquid receiver 10 Adjustment function reasonably play.

Especially, in the present embodiment, Liquid acquisition has the shape extended along the flow direction of air with interconnecting piece 13 Shape, and second liquid receiving unit 12 is configured in a manner of not being overlapped in the up-down direction with core 2.In this way, by making the second liquid Body receiving unit 12 is formed as the configuration structure not being overlapped in above-below direction with core 2, can be realized condenser 1 in the up-down direction Volume miniaturization.

(the 13rd embodiment)

Then, the 13rd embodiment is illustrated referring to Figure 49, Figure 50.In the present embodiment, real with the 12nd Apply mode the difference lies in that by the appearance of the end of 6 side of the second header tank of second liquid receiving unit 12 and the second header tank 6 Face bonding.

As shown in Figure 49, Figure 50, the second liquid receiving unit 12 of present embodiment has in 6 side of the second header tank to air The curved pars convoluta 124 in flow direction.Pars convoluta 124 constitutes the end of 6 side of the second header tank in second liquid receiving unit 12.Pars convoluta 124 are engaged in the outer of the second header tank 6 in such a way that the position of 6 side of the second header tank is not connected to the inside of the second header tank 6 Surface.

Other structures of present embodiment are identical as the 12nd embodiment.Structure according to the present embodiment, can Realize effect identical with the 12nd embodiment.Especially, in the present embodiment, by the second of second liquid receiving unit 12 The appearance face bonding of the end of 6 side of header tank and the second header tank 6.Second liquid receiving unit 12 is by the first Liquid acquisition as a result, Portion 11 and this two side of the second header tank 6 bearing, therefore can be improved the rigidity of liquid receiver 10, and can be realized Liquid acquisition The raising of the vibration resistance of device 10.

Here, in the present embodiment, constituting second liquid receiving unit 12 and Liquid acquisition use to using single piping The example of interconnecting piece 13 is illustrated, and but not limited thereto.For example, second liquid receiving unit 12 and Liquid acquisition interconnecting piece 13 can also be made of seperated component.

(variation of the 13rd embodiment)

As shown in figure 51, the second liquid receiving unit 12 of the 13rd above-mentioned embodiment can also be formed as in pars convoluta 124 inside is configured with the structure of heat insulating member 125.It as shown in figure 52, in this case, can also be in the inside of pars convoluta 124 The multiple protrusion 124a protruded inwardly are set, and pass through the fixed heat insulating member 125 of protrusion 124a.In addition, heat insulating member 125 It is preferred that being made of the excellent material of the temperature tolerance of ceramics etc..

In this way, by pars convoluta 124 configure heat insulating member 125, be able to suppress with engagement second liquid receiving unit 12 with Unnecessary heat transmitting caused by second header tank 6 between second liquid receiving unit 12 and the second header tank 6.

(other embodiments)

More than, embodiments of the present invention are illustrated, but the present invention is not limited to above-mentioned embodiment, it can It carries out being suitable for change.For example, being able to carry out following various deformations.

(1) in above-mentioned each embodiment, core 2 is configured to by the first liquid-receivable section 11 of liquid receiver 10 The example in left side be illustrated, but not limited thereto.For example, it is also possible to by the first liquid-receivable section of liquid receiver 10 11 are configured at the right side of core 2.

(2) such as above-mentioned each embodiment, fin 2b is configured preferably between adjacent pipe 2a, however, not limited to this, Also it can be omitted fin 2b.

(3) excellent such as above-mentioned each embodiment in view of ensuring the volume for storing refrigerant in liquid receiver 10 Form slection is not limited at the structure until second liquid receiving unit 12 is extended to the second header tank 6 from the first header tank 5 This.For example, it is also possible to be formed as the knot until second liquid receiving unit 12 is extended in the lateral direction in front of the second header tank 6 Structure.

(4) it in above-mentioned each embodiment, is fitted to the condenser invented 1 is applied to for motor vehicle air-conditioning device The example of the condenser of refrigeration cycle is illustrated, and but not limited thereto.Condenser 1 of the invention can also for example be made It is used for the condenser of fixed air-conditioning device.

(5) it is clear that in the above-described embodiment, in addition to explicitly indicate that be necessary and principle on necessary situation Deng it is not essential for constituting the element of embodiment.

(6) in the above-described embodiment, in the number for the constituent element for referring to embodiment, numerical value, amount, range etc. In the case where numerical value, in addition to explicitly indicate that be necessary and principle on be defined as situation about specifically counting, be not limited to this Specific number.

(7) in the above-described embodiment, in shape, the positional relationship etc. for referring to constituent element etc., in addition to especially bright It is defined as the situation of specific shape, positional relationship etc. in true expression and principle, is not limited to the shape, positional relationship.

Claims

1. a kind of condenser makes refrigerant carry out heat exchange with external fluid and condense refrigerant, which is characterized in that have:

Core (2), the core be will for refrigerant circulate multiple pipes (2a) it is stacked on top of one another and constitute component, by with flow through The heat exchange of the external fluid in the outside of the pipe makes refrigerant radiate；

A pair of of header tank (5,6), a pair of header tank along the pipe stacking direction extend and with the institute in the core State the length direction both ends connection of pipe；

Liquid receiver (10), the system which flow out the header tank (5) of the side from the pair of header tank Cryogen is separated into liquid phase refrigerant and vapor phase refrigerant and stores liquid phase refrigerant；And

Refrigerant introduction part (111a, 112a, 161), the refrigerant introduction part will be stored in the inside of the header tank of the party Refrigerant to the inside of the liquid receiver guide,

The liquid receiver includes

First liquid-receivable section (11), first liquid-receivable section extend along the stacking direction of the pipe, and with described one The header tank of side is adjacent to configuration, is connected to via the refrigerant introduction part with the header tank of the party；And

Second liquid receiving unit (12), the second liquid receiving unit is along the length direction of the pipe from the header tank of the party The header tank side of lateral another party extends, and is connected in the header tank side of the party with first liquid-receivable section,

The second liquid receiving unit is configured at the outside of the header tank of the party, and in first liquid-receivable section As lower portion connect: the position is more leaned on than the connecting portion that first liquid-receivable section is connect with the refrigerant introduction part Close over side,

The Liquid acquisition use for connecting first liquid-receivable section and the second liquid receiving unit in the liquid receiver The lower end (131) of the second liquid receiving unit side of interconnecting piece (13) is located at following position: the position in the up-down direction Compared to close to the second liquid receiving unit inside the pipe stacking direction on central location (CL) and closer to Bottom (BL) on the stacking direction of the pipe of the inside of the second liquid receiving unit.

2. condenser according to claim 1, which is characterized in that

The Liquid acquisition use for connecting first liquid-receivable section and the second liquid receiving unit in the liquid receiver Interconnecting piece, which has, to be bent from the stacking direction of the pipe to the shape of the length direction of the pipe,

The second liquid receiving unit is connected in a manner of being overlapped in the up-down direction with the core via the Liquid acquisition Socket part is connect with first liquid-receivable section.

3. condenser according to claim 1, which is characterized in that

The multiple pipe is laminated with being spaced apart specified gap, so that the external fluid circulates between the adjacent pipe,

The Liquid acquisition use for connecting first liquid-receivable section and the second liquid receiving unit in the liquid receiver Interconnecting piece has the shape extended along the flow direction of the external fluid,

The second liquid receiving unit is used in a manner of not being overlapped with the core in the up-down direction via the Liquid acquisition Interconnecting piece is connect with first liquid-receivable section.

4. condenser described in any one of claim 1 to 3, which is characterized in that

The second liquid receiving unit and first liquid-receivable section are made of different components,

The upper and lower of the inside of the end for the connecting side of the second liquid receiving unit being connect with first liquid-receivable section Upward size is greater than the size in the up and down direction of the inside at other positions of the second liquid receiving unit.

5. condenser according to claim 1 or 2, which is characterized in that

The liquid receiver have connecting component (13), the connecting component connect first liquid-receivable section upper end and The end of the header tank side of the party in the second liquid receiving unit,

The connecting component, first liquid-receivable section and the second liquid receiving unit are made of different components,

The holding member (132) for keeping filter (14) is provided in the connecting component, contained by the filters trap refrigerant Some foreign matters,

The holding member is dismantledly connected relative to the connecting component.

6. condenser described in any one of claim 1 to 3, which is characterized in that

The liquid receiver is configured to detachable relative to the component parts (16) for constituting the refrigerant introduction part (161),

At least one party of filter (14) and desiccant part (15) is contained in the inside of the liquid receiver, which catches The foreign matter contained by refrigerant is caught, the moisture in the desiccant part adsorption refrigerating agent.

7. condenser described in any one of claim 1 to 3, which is characterized in that

The liquid receiver have connecting pipings (13), the connecting pipings connect first liquid-receivable section upper end and The end of the header tank side of the party in the second liquid receiving unit,

First liquid-receivable section and the second liquid receiving unit are made of the component of tubular,

The outer diameter of the connecting pipings is less than the outer diameter of first liquid-receivable section.

8. condenser according to claim 7, which is characterized in that

The connecting pipings is constituted with first liquid-receivable section and the second liquid receiving part body,

The outer diameter of the connecting pipings is less than first liquid-receivable section and the respective outer diameter of second liquid receiving unit.

9. condenser according to claim 7, which is characterized in that

The second liquid receiving unit and the connecting pipings are made of single piping,

The outer diameter of the second liquid receiving unit and the connecting pipings is less than the outer diameter of first liquid-receivable section.

10. condenser according to claim 2, which is characterized in that

Compare institute on the length direction of the pipe in the position (50a) close to Liquid acquisition interconnecting piece of the header tank of the party The connecting portion (50b) connecting with the refrigerant introduction part of the header tank of a side is stated further from first Liquid acquisition Portion, the Liquid acquisition connect first liquid-receivable section and the second liquid in the liquid receiver with interconnecting piece Receiving unit.

11. condenser according to claim 2, which is characterized in that

The header tank of the party configures in such a way that upper end of the upper end than the core is closer to lower side.

12. condenser according to claim 2, which is characterized in that

Have upper end side plate (3), which extends along the length direction of the pipe and the upper end with the core Engagement,

In the upper end side plate, at least part on the length direction of the pipe is provided with protrusion outstanding upwards Portion (31),

The second liquid receiving unit is engaged with the protrusion.

13. condenser according to claim 12, which is characterized in that

The protrusion is at least set to the position close to such as lower condensate sump in the upper end side plate: the header tank is described one The header tank of the entrance side-connector (7) of inlet portion of refrigerant is constituted to being connected in header tank.

14. condenser described in any one of claim 1 to 3, which is characterized in that

The core includes

Condensation part (21), the condensation part keep the refrigerant to circulate in the pipe cold by the heat exchange with the external fluid It is solidifying；And

Supercooling portion (22), the supercooling portion are configured at the upper side of the condensation part, and make to be stored in the liquid receiver Liquid phase refrigerant supercooling and the heat exchange with the external fluid,

It is provided in the liquid receiver

Liquid acquisition side interconnecting part (132a), the Liquid acquisition side interconnecting part make first liquid-receivable section and second liquid The connection of body receiving unit；And

Supercooling side interconnecting part (132b), the supercooling side interconnecting part connect first liquid-receivable section and the supercooling portion It is logical.

15. condenser described in any one of claim 1 to 3, which is characterized in that

It is provided with inner space (61a) in the header tank (6) of described another party, refrigerant is via the inlet portion for constituting refrigerant Entrance side-connector (7) flows into the inner space,

The second liquid receiving unit and the header tank of described another party are formed as the configuration structure not contacted each other.