CN110530063A

CN110530063A - A kind of heat management system

Info

Publication number: CN110530063A
Application number: CN201810498123.0A
Authority: CN
Inventors: 不公告发明人
Original assignee: Sanhua Holding Group Co Ltd
Current assignee: Sanhua Holding Group Co Ltd
Priority date: 2018-05-23
Filing date: 2018-05-23
Publication date: 2019-12-03
Anticipated expiration: 2038-05-23
Also published as: CN110530063B

Abstract

The invention discloses a kind of heat management systems, heat management system includes Intermediate Heat Exchanger, valve cell, throttling unit, Intermediate Heat Exchanger includes the first heat exchanging part and the second heat exchanging part, second heat exchanging part includes first port, second port and third port, the first port of second heat exchanging part is led to repeatedly by the first port of the second heat exchanger of throttling unit, the second port of second heat exchanging part is connected to by valve cell with the first port of the second heat exchanger, the refrigerant for flowing through the second heat exchanging part can be with some refrigerant heat exchange that flows through the first heat exchanging part, the present invention is conducive to improve the performance of heat management system.

Description

A kind of heat management system

[technical field]

The present invention relates to the technical fields of heat management system.

[background technique]

In general, heat management system setting Intermediate Heat Exchanger can be improved the performance of heat management system, however, heat management system The heat exchange amount of required Intermediate Heat Exchanger is not identical when heating and refrigeration, therefore, it is necessary to existing technology is improved, with Be conducive to improve the performance of heat management system.

[summary of the invention]

The purpose of the present invention is to provide a kind of heat management system, be conducive to the performance for improving heat management system.

A kind of heat management system, including compressor, First Heat Exchanger, the second heat exchanger, third heat exchanger and intermediate heat exchange Device, the Intermediate Heat Exchanger include the first heat exchanging part and the second heat exchanging part, first heat exchanging part at least can with described in part Second heat exchanging part heat exchange, the first port of first heat exchanging part and the inlet communication of the compressor, first heat exchange The second port in portion can be connected to the refrigerant outlet of second heat exchanger and/or the second end with the third heat exchanger The first port of mouth connection, second heat exchanging part can be connected to the refrigerant outlet of the First Heat Exchanger or logical and institute State the refrigerant inlet connection of the second heat exchanger；The heat management system further includes volume control device, the flow control dress It sets including throttling unit and valve cell, the first port of the third heat exchanger can be changed by the valve cell with described second The third port in hot portion is connected to, and the second port of second heat exchanging part can be exchanged heat by the throttling unit and the third The first port of device is connected to；

In at least one operating mode of the heat management system, the throttling unit opens the of the third heat exchanger Access or the throttling unit and the valve cell between Single port and the second port of second heat exchanging part open institute The access between the first port of third heat exchanger and the second port of second heat exchanging part is stated, the valve cell makes described Access between the first port of three heat exchangers and the third port of second heat exchanging part is not turned on, and flows through second heat exchange The refrigerant in portion and the refrigerant for flowing through part first heat exchanging part being capable of heat exchanges.

Intermediate Heat Exchanger is arranged in heat management system, and the first heat exchanging part of Intermediate Heat Exchanger includes first port, second port And third port, when heat management system heats, the refrigerant for flowing through the second heat exchanging part freezes with the part for flowing through the first heat exchanging part Agent heat exchange, when heat management system heats in other words, using the part heat exchange amount of Intermediate Heat Exchanger, to meet heat management system pair The demand of the heat exchange amount of Intermediate Heat Exchanger, and then be conducive to improve the performance of heat management system.

[Detailed description of the invention]

Fig. 1 is a kind of structural schematic diagram of the Intermediate Heat Exchanger of technical solution of the present invention；

Fig. 2 is the side structure schematic view of Fig. 1 Intermediate Heat Exchanger；

Fig. 3 is Fig. 1 Intermediate Heat Exchanger present invention looks up structural representation；

Fig. 4 is a kind of structural schematic diagram of the heat-exchanging component of technical solution of the present invention；

Fig. 5 is a kind of structural schematic diagram of first flat pipe of technical solution of the present invention；

Fig. 6 is a kind of structural schematic diagram of second flat pipe of technical solution of the present invention；

Fig. 7 is the structural schematic diagram of the Intermediate Heat Exchanger of another technical solution of the present invention；

Fig. 8 is a kind of schematic diagram of the heat management system of technical solution of the present invention；

Fig. 9 is schematic diagram of the heat management system in heating mode in Fig. 8；

Figure 10 is schematic diagram of the heat management system in refrigeration mode in Fig. 8；

Figure 11 is schematic diagram of the heat management system in dehumidification mode in Fig. 8；

Figure 12 is the schematic diagram of the heat management system of another technical solution of the present invention；

Figure 13 is schematic diagram of the heat management system in heating mode in Figure 12；

Figure 14 is schematic diagram of the heat management system in refrigeration mode in Figure 12；

Figure 15 is schematic diagram of the heat management system in dehumidification mode in Figure 12；

Figure 16 is the schematic diagram of the first fluid switching device of heat management system shown in Fig. 8；

Figure 17 is the second fluid switching device of heat management system and the connection schematic diagram of the first valve member；

Figure 18 is a kind of connection schematic diagram of Intermediate Heat Exchanger, valve cell and throttling unit.

[specific embodiment]

The heat management system of technical solution of the present invention can be there are many embodiment, and wherein at least one embodiment can System is managed to be applied to vehicular hot pipe, at least one embodiment can be applied to heat management system or commercial heat management system etc. Other heat management systems are described with reference to the drawings by taking a kind of specific vehicular hot pipe reason system as an example below.

Fig. 8-18 is please referred to, heat management system includes compressor 10, First Heat Exchanger 101, the second heat exchanger 102, third Heat exchanger 103, first throttling device 202 and Intermediate Heat Exchanger 203, wherein the outlet of compressor 10 and First Heat Exchanger 101 Refrigerant inlet connection, first throttling device 202 are set to the refrigerant inlet of the second heat exchanger 102, enter second with throttling The refrigerant of heat exchanger 102.Intermediate Heat Exchanger 203 includes the first heat exchanging part and the second heat exchanging part, and the first heat exchanging part and second is changed Hot portion includes coolant channel, and the refrigerant for flowing through the first heat exchanging part and the refrigerant for flowing through the second heat exchanging part are able to carry out heat Exchange, specifically, referring to Fig. 1, the second heat exchanging part includes first port 25, second port 21 and third port 22, and refrigerant exists When coolant channel between the first port 25 of second heat exchanging part and the second port 21 of the second heat exchanging part flows, refrigerant is only Flow through some refrigerant runner of the second heat exchanging part, thus flow through the second heat exchanging part refrigerant and the first heat exchanging part of part in Refrigerant is able to carry out heat exchange, refrigerant the second heat exchanging part first port 25 and the second heat exchanging part third port 22 it Between coolant channel flowing when, at this point, refrigerant flows through whole refrigerant flow paths of the second heat exchanging part, flow through the second heat exchanging part Refrigerant with flow through the first heat exchanging part refrigerant carry out heat exchange.The third port of second heat exchanging part can exchange heat with third The first port of device 103 is connected to, and the second port of the second heat exchanging part can be also connected to the first port of third heat exchanger 103, The first port of second heat exchanging part can be connected to the refrigerant outlet of First Heat Exchanger 101.The first port of first heat exchanging part 23 with the inlet communication of compressor 10, the second port 24 of the first heat exchanging part can be with the refrigerant outlet of the second heat exchanger 102 It is connected to and/or can be connected to the second port of third heat exchanger 103.

Specifically, Intermediate Heat Exchanger 203 can be plate heat exchanger, is also possible to micro-channel heat exchanger or tubular type is changed Hot device introduces Intermediate Heat Exchanger 203 by taking micro-channel heat exchanger as an example below.Fig. 1-Fig. 7 is please referred to, Intermediate Heat Exchanger 203 includes First header 11, the second header 12, third header 13, the 4th header 14 and heat-exchanging component 3, the first header 11 It is located at phase the same end of heat-exchanging component 3 with third header 13, the second header 12 and the 4th header 14 are located at heat-exchanging component 3 Opposite other end, heat-exchanging component 3 include the first flat pipe 31 and the second flat pipe 32；Intermediate Heat Exchanger 203 is changed including first Hot portion and the second heat exchanging part, wherein the second heat exchanging part includes the first header 11, the second header 12 and the first flat pipe 31, the first heat exchanging part includes third header 13, the 4th header 14 and the second flat pipe 32.First header 11 includes the The chamber and second port 21 of one header, the chamber of the first header are connected to second port 21, specifically, the first header 11 packet Longitudinally long tube-shaped main body portion is included, the both ends of the main part of the first header 11 are closed by end cap, the master of the first header 11 Body portion and end cap surround the chamber to form the first header 11.Second port 21 is set to the main part or end cap of the first header 11 Or the communicating pipe being connected to the first header 11, the main part of the first header 11, which is additionally provided with, to be parallel to each other and through first Several slots of the main part tube wall of header 11.Second header 12 includes first port 25, third port 22 and the second collection The chamber of flow tube, the second header 12 include longitudinally long tube-shaped main body portion, and the both ends of the main part of the second header 12 pass through end Lid closing, the main part and end cap of the second header 12 surround the chamber (not shown) to form the second header, and first port 25 is set Be placed in the main part of the second header 12 one end or positioned at the second header 12 main part respective end end cap or with The communicating pipe of two headers connection, third port 22 are set to the other end of the main part of the second header 12 or are located at the second collection The end cap of 12 main part respective end of flow tube or the communicating pipe being connected to the second header.The main part of second header 12 is also set It is equipped with several slots (not shown) for the main part tube wall being parallel to each other and through the second header 12.Referring to Fig. 1, second changes Hot portion includes partition 121, and partition 121 and the second header 12 are fixedly installed, in the present embodiment, partition 121 and the second header 12 are welded and fixed, and the chamber of the second header is divided into the relatively disconnected first sub- chamber 1201 and the second sub- chamber 1202 by partition 121, Wherein, the first sub- chamber 1201 is connected to the first port 25 of the second heat exchanging part, the third of the second sub- chamber 1202 and the second heat exchanging part Port 22 is connected to, and along the axial direction of the second header, the distance of partition to both ends end cap can be equal or differs, partition Position depend on the heat exchange amount with Intermediate Heat Exchanger needed for system.It is recognised that the first port of the second heat exchanging part and second is changed The third port in hot portion is located at the two sides of partition 121.In other embodiment, the second header also may include first son pipe and Second son pipe, the first son pipe include the first sub- chamber, and the second son pipe includes the second sub- chamber, and the first son pipe and the second sub- pipe can be fixed Setting can also be not fixed setting.

Referring to Fig. 1 and 2, the second heat exchanging part includes the first flat pipe 31, and the first heat exchanging part includes the second flat pipe 32, and first Flat pipe includes the first communicating passage, and the first flat pipe includes first end and the second end, the first end of the first flat pipe 31 Portion and the slot of the first header 11 are welded and fixed, and the port of first end is connected to the chamber of the first header 11, the first connection Channel is connected to the chamber of the first header 11, and the slot of the second end and the second header 12 is welded and fixed, specifically, Ruo Gan One flat pipe includes the first sub-portion 3101 and the second sub-portion 3102, and in other words, the first sub-portion includes the part the of the second heat exchanging part One flat pipe, the second sub-portion include another part the first flat pipe of the second heat exchanging part, are set to the second end of the first sub-portion Port be connected to the first sub- chamber, the port for being set to the second end of the second sub-portion is connected to the second sub- chamber, therefore, first collection The chamber of flow tube 11 can be connected to by the channel of the first sub-portion 3101 with the first sub- chamber, and the chamber of the first header can also pass through The channel of two sub-portions 3102 is connected to the second sub- chamber.It is recognised that the first sub- chamber and the second sub- chamber are not connected to relatively, refer to the first son Chamber can be connected to by the channel in the channel of the first sub-portion, the chamber of the second header and the second sub-portion with the second sub- chamber.Second Flat pipe 32 includes the second communicating passage, and the second flat pipe 32 includes third end and the 4th end, third end and third collection The slot of flow tube 13 is welded and fixed, and the port of third end is connected to the chamber of third header, the second communicating passage and third collection The chamber of flow tube is connected to, and the 4th end and the slot of the 4th header 14 are welded and fixed, the port of the 4th end and the 4th header 14 chamber connection, the second communicating passage are connected to the chamber of third header 13, and the chamber of third header 13 can connect by second Circulation passage is connected to the chamber of the 4th header 14.It is not connected to it is recognised that the first communicating passage is opposite with the second communicating passage, on The main part for stating corresponding header can be with round tube, square tube or Else Rule pipe or irregular pipe.

Please refer to Fig. 2-7, part the first flat pipe 31 and part the second flat pipe 32 directly contacts or mediate contact flows through The refrigerant of first flat pipe 31 and the refrigerant for flowing through the second flat pipe 32 can flow in other words in the heat exchange of the two joint place Refrigerant through the first heat exchanging part can be in the heat exchange of the two joint place with the refrigerant for flowing through the second heat exchanging part.First flat pipe 31 include the first sticking part 313, the first bending part 312 and first connecting portion 311, the first sticking part 313 and first connecting portion 311 Positioned at the two sides of the first bending part 312, the refrigerant for flowing through the first sticking part 313 enters the first connection through the first bending part 312 Portion 311 then enters the chamber of the second header 12.First flat pipe is longitudinally long flat pipe, along its longitudinal direction formed to Flat tube is separated into several the first parallel communicating passages by few spaced walls, the spaced walls, and the first communicating passage can be Channel including several spaced circular channels or other shapes.First connecting portion 311 includes the of the first flat pipe 31 The second end of two ends the first flat pipe 31 in other words is set to first connecting portion 311.Define the second of the first flat pipe 31 End: it is extended less than from the port of first end along the first communicating passage or the part equal to 3mm connects along first in other words The length in circulation passage direction, first end is less than or equal to 3mm, defines the first end of the first flat pipe 31 in the same way Portion, the third end of the second flat pipe, the second flat pipe the 4th end.First sticking part 313, first connecting portion 311 and One bending part 312 can be integrally formed, and be also possible to separate structure, and three is welded as a whole, wherein the first flat pipe 31 can be with Hollow flat bend pipe, be also possible to include multiple channels flat bend pipe.It is recognised that the radius bend of the first bending part 312 Less than the half of distance between adjacent heat exchange component, to guarantee that adjacent heat exchange component is set side by side.

First sticking part 313 includes the first face 3131 and the first binding face 3133, the first face 3131 and the first binding face 3133 are set to the opposite sides of the first sticking part, and the first binding face is directly contacted with part the second flat pipe or mediate contact, Wherein, directly contact or mediate contact refer to that the first binding face directly contacts or mediate contact with the adjacent surface of the second flat pipe 32, Wherein, mediate contact refers to that the first binding face is contacted by intermediary with the second flat pipe, and intermediary is usually heat conductor, to guarantee The refrigerant of first flat pipe can with the refrigerant heat exchange of the second flat pipe, as intermediary be aluminium foil, the first binding face with Aluminium foil is contacted and is fixed, and then aluminium foil is that the contact of the second flat pipe is fixed, and fixed form can be welding, bonding etc..It is intermediate Object can also be bonded with the adjacent surface of the second flat type pipe by heat-conducting silicone grease with heat-conducting silicone grease, the first binding face.Under general scenario, in Between object do not include air.Convenient for subsequent descriptions, the neutrality line 3132 in the first face is defined as follows: the width direction along the first face, The two edges in 3132 to the first face of neutrality line in the first face are equidistant；The second face and the first bending are defined in an identical manner The neutrality line in face, similarly, the second flat type pipe also have identical definition, are not described in detail.First bending part 312 includes the first folding Bent face 3121, first connecting portion 311 include the second face 3111, and the first folding surface 3121 rises from the side in the first face 3131 to second Face 3111, the first face 3131 and the second face 3111 are generally planar, the first folding surface 3121 substantially cambered surface, the first folding surface phase The bending of first face and/or the first folding surface are bent with respect to the second face, the first bending part is bent with respect to the first sticking part in other words And/or first bending part with respect to first connecting portion be bent, the first bending part is from the first sticking part to first connecting portion, part second Face 3111 and portion first face 3131 are oppositely arranged, the neutrality line in opposite first face of the neutrality line 3122 of the first folding surface 3121 The neutrality line 3122 of 3132 inclinations and/or the first folding surface is tilted with respect to the neutrality line 3112 in the second face.In technology of the invention Scheme, inclination described here refer to the angle of two neutrality lines greater than 0 ° and less than 90 °.To guarantee first connecting portion and the second collection The slot of flow tube is welded and fixed, the normal direction along first face, the projection of the second end of the first flat pipe in the first face Projection with the first sticking part in the first face is non-intersecting；It is recognised that the axis of the second header 12 is vertical with the first face, Normal direction on one side, the projection that projects with first sticking part in first face of second header in the first face are non-intersecting.In this way, The end of first connecting portion protrudes from heat-exchanging component, and the end of first connecting portion is goed deep into the slot of the second header 12 and welded therewith Fixation is connect, the first communicating passage is connected to the chamber of the second header 12.

First flat pipe 31 includes the second bending part 314 and second connecting portion 315, and the first sticking part 313 is connect with second Portion 315 is located at the two sides of the second bending part 314, and the communicating passage of the first sticking part 313 is logical by the connection of the second bending part 315 Road is connected to the communicating passage of second connecting portion 311, flows through the fluid of the first sticking part 313 in other words through the second bending part 314 Into second connecting portion 315, then enter the chamber of the first header 11.The structure of second bending part 314 and the first bending part 312 Structure it is roughly the same, the structure of second connecting portion 315 and the structure of first connecting portion 311 are roughly the same, are not described in detail. Second bending part includes the second folding surface 3141, and second connecting portion includes third face 3151, the second folding surface 3141 opposite first Face 3131 and/or third face 3151 are bent, and the second bending part is bent and/or the second bending part phase with respect to the first sticking part in other words Second connecting portion is bent, in other words neutrality line 3131 of the neutrality line of the second folding surface with respect to the first face and/or third face Neutrality line 3152 is obliquely installed, and the second folding surface rises from the other side in the first face to third face, and the second bending part, which rises from first, to be connected The other side of socket part to second connecting portion, part third face is oppositely arranged with portion first face, part second connecting portion and part First sticking part is oppositely arranged.First flat pipe 31 also may include the first bending section (not shown), and the of the first flat pipe 31 One end is set to the first bending section, and the first bending section extends from the first sticking part 313 and opposite first sticking part is bent, and first Bending section includes the first flexure plane, and the first flexure plane rises from the neutrality line that the first face extends simultaneously opposite first face and is bent, in other words The neutrality line of first flexure plane is curve, and the first flexure plane and the first face 3131 are substantially in same plane.Likewise, to guarantee the The end of the end of two interconnecting pieces or the first bending section and the slot of the first header 11 are welded and fixed, the method in first face Line direction, the first end of the first flat pipe 31 the first face projection and the first sticking part 313 the first face projection not phase It hands over；It is recognised that the axis of the first header 11 is vertical with the first face, the normal direction in the first face, the first header 11 exists Projection of the projection in the first face with the first sticking part 313 in the first face is non-intersecting.In this way, the first end of the first flat pipe 31 is convex Go deep into the slot of the first header with heat-exchanging component, the first end of the first flat pipe 31 out and be welded and fixed therewith.It can know The first end in road, the first flat pipe is set to second connecting portion or is set to the first bending section.

Second flat pipe 32 includes the port of third end, the port of the 4th end and at least one communicating passage, third The port of end is connected to the port of the 4th end by the communicating passage of the second flat pipe.Second flat pipe includes the second fitting Portion 323, the flat structure that the second sticking part is substantially longitudinally grown, the second sticking part include the second binding face and fourth face 3231, Second binding face is directly contacted with the first binding face or mediate contact, and fourth face and the second binding face are set to the second flat pipe Opposite sides.Second flat pipe includes third interconnecting piece 322, and the port of the third end of the second flat pipe is set to third connection Portion, along fourth face neutrality line direction, third connecting portion is in the side of the second sticking part, wherein the longitudinal axis of third interconnecting piece The longitudinal axis of line and the second sticking part is substantially in same straight line.Alternatively, the second flat pipe also may include third bending part and Third interconnecting piece, the port of the third end of the second flat pipe 32 are set to third interconnecting piece, and the second sticking part is connected with third Portion is located at the two sides of third bending part, and third bending part includes third folding surface, and third interconnecting piece includes the 5th face, third bending Face is risen from the side of fourth face to the 5th face, and in other words, third bending part rises from the side of second connecting portion to third interconnecting piece, Part fourth face is oppositely arranged with the 5th face of part, and third folding surface is bent with respect to fourth face and/or third folding surface opposite the The bending of five faces；In other words, third bending part is bent with respect to the second sticking part and/or third bending part is curved with respect to third interconnecting piece It is bent；In other words, the second sticking part of part is oppositely arranged with part third interconnecting piece, the neutrality line of third folding surface or third bending The neutrality line in face is tilted with respect to the neutrality line of fourth face；In other embodiments, the second flat pipe 32 includes the second bending section 324, The port of the third end of second flat pipe is set to the second bending section 324, and the second bending section 324 includes the second flexure plane 3241, the second flexure plane 3241 is located at phase the same side of the second flat pipe 32 with fourth face 3231, and the second flexure plane 3241 is from The side at four sides extends, and in other words, the second bending section is risen from the side of the second sticking part, and the neutrality line of the second flexure plane is with respect to the The neutrality line at four sides is bent, and the second flexure plane and fourth face are substantially in same plane.Likewise, for guarantee the second flat pipe the Three ends and the slot of third header are welded and fixed, the normal direction in second face, the third end of the second flat pipe 32 The projection that projects with first sticking part in first face of the portion in the first face is non-intersecting；It is recognised that the axis of third header with First face is vertical, the normal direction in the first face, and third header is in the projection in the first face and the second sticking part in the first face It projects non-intersecting.In this way, the third end of the second flat pipe protrudes from heat-exchanging component, the third end of the second flat pipe 32 is goed deep into The slot of third header 13 is simultaneously welded and fixed therewith.

Second flat pipe 32 further includes the 4th interconnecting piece 321, and the 4th end of the second flat pipe is set to the 4th interconnecting piece, 4th connecting portion is in the other side of the second sticking part, wherein the longitudinal axis of the 4th interconnecting piece and the longitudinal direction of the second sticking part Axis is substantially in same straight line.Second flat pipe 32 also may include the 4th bending part and the 4th interconnecting piece, the end of the 4th end Mouth is set to the 4th interconnecting piece, the second sticking part and the 4th connecting portion in the two sides of the 4th bending part, and the 4th bending part includes 4th folding surface, the 4th interconnecting piece include the 6th face, and the 4th folding surface rises from the other side of fourth face to the 6th face, part the 4th Face is oppositely arranged with the 6th face of part, and the 4th folding surface is bent with respect to fourth face and/or the 4th folding surface is bent with respect to the 6th face； In other words, the neutrality line of the 4th folding surface is obliquely installed with respect to the neutrality line of fourth face；In other words, the 4th bending part rises from second The other side of sticking part to the 4th interconnecting piece, the second sticking part of part is oppositely arranged with the 4th interconnecting piece of part, the 4th bending part Opposite second sticking part bending and/or the 4th bending part are bent with respect to the 4th interconnecting piece.In other embodiments, the second flat pipe 32 Including third bending section 325, the 4th end of the second flat pipe 32 is set to third bending section 325, and third bending section includes the Three flexure planes 3251, third flexure plane extend from the side of fourth face, and third bending section is risen from the another of the second sticking part in other words The neutrality line of side, third flexure plane is bent with respect to the neutrality line of fourth face, and third flexure plane and fourth face are substantially same flat Face.Likewise, being welded and fixed for the 4th end of the second flat pipe of guarantee and the slot of the second header, in first face The projection that projects with first sticking part in first face of 4th end of normal direction the second flat pipe in the first face is non-intersecting；It can To know, the axis of the second header is vertical with the first face, the normal direction in the first face, and the second header 12 is in the first face The projection projected with the first sticking part in the first face is non-intersecting.In this way, the 4th end protrusion and heat exchange group of the second flat pipe 32 Part, the 4th end of the second flat pipe 32 are inserted into the slot of the 4th header 14 and are welded and fixed therewith.First sticking part and portion Point the second flat pipe directly contact or mediate contact, and the first flat pipe 31 the first bending part of setting, the first bending part is with respect to first Sticking part bending, first connecting portion is opposite to be protruded from heat-exchanging component and is connected to the chamber of the first header, the throwing of the first header The projection of shadow and the first sticking part is non-intersecting, and the first flat pipe 31 of the heat-exchanger rig includes a bending part, and structure is relatively simple It is single.

Referring to Fig. 8-18 and Fig. 1, heat management system includes volume control device, and volume control device includes first interface (not shown), second interface (not shown) and third interface (not shown), the first port of first interface and third heat exchanger 103 Connection, second interface are connected to the second port 21 of the second heat exchanging part, and the third port 22 of third interface and the second heat exchanging part connects It is logical；Specifically, volume control device includes throttling unit 205 and valve cell 206, and first interface and second interface are single by throttling Member 205 is connected to, and first interface is connected to third interface by valve cell 206.In other words, throttling unit 205 is set to second and changes Between the second port in hot portion and the first port of third heat exchanger 103, to the refrigerant for entering third heat exchanger that throttles；Valve Unit 206 and 205 split settings of throttling unit, valve cell 206 may include two ports, specifically, the first of valve cell 206 Port and third orifice, the first port of throttling unit 205 are connected to second interface, the second port of throttling unit 205 It is connected to first interface with the second port of valve cell 206, wherein valve cell can be shut-off valve or two-way flow rate is adjusted Valve.In other embodiments, valve cell 206 includes three ports, and the first port of valve cell is connected to the first interface, valve The second port and third orifice of unit 206, the third port of valve cell are connected to the second port of throttling unit 205, The first port of throttling unit is connected to second interface；Wherein, valve cell can be triple valve or three-way flow regulating valve.Valve Unit 206 can also be wholely set with throttling unit 205, and volume control device includes valve body, wherein first interface, second connect Mouth and third interface are set to valve body, and volume control device also includes the spool and valve port being correspondingly arranged, and is not described in detail.In Other embodiments, valve cell are also possible to check valve, wherein the entrance of check valve is connected to first interface, and check valve goes out Mouth and third orifice.In addition, connection described in this specification or connection, can be and be directly connected to or be connected to, such as two Also can be assembled between component together, in this way can should not connecting line, and system is more compact, is also possible to indirectly connect Or connection, it such as by pipeline connection, or is connected to after a certain component, no longer illustrates one by one herein again；Of the invention Technical solution opens throttling unit and refers to that the aperture of throttling unit is maximum, closes throttling unit and refer to that the aperture of throttling unit is zero, open It opens throttling unit and refers to the state between opening and closing, in other words the throttle of throttling unit.

Heat management system further includes the first valve gear, the outlet of the refrigerant inlet and compressor 10 of First Heat Exchanger 101 Connection, the refrigerant outlet of First Heat Exchanger 101 are connected to the first valve gear, and the refrigerant outlet of First Heat Exchanger 101 can It is connected to by the first valve gear with the second port of third heat exchanger 103, First Heat Exchanger 101 can also pass through the first valve gear It is connected to first throttling device 202 and/or the first port of the second heat exchanging part is connected to, the refrigerant outlet of the second heat exchanger 102 Also it can be connected to the second port of the first heat exchanging part or be connected to through gas-liquid separator 207 with the second port of the first heat exchanging part. Specifically, the first valve gear includes the first communication port, the second communication port, third connecting mouth and the 4th communication port, the first communication port It is connected to the refrigerant outlet of First Heat Exchanger 101, the 4th communication port can be connected to or lead to the second port of the first heat exchanging part Gas-liquid separator 207 is crossed to be connected to the second port of the first heat exchanging part, the second communication port can by first throttling device 202 with The refrigerant inlet of second heat exchanger 102 is connected to and/or can be connected to the first port of the second heat exchanging part, third connecting mouth and The second port of third heat exchanger 103 is connected to, and the first valve gear includes at least the first working condition and the second working condition, the First communication port of the first working condition of one valve gear, the first valve gear is connected with third connecting mouth, the 4th communication port and the Communicating passage between two communication ports is not turned on relatively, and in the second working condition of the first valve gear, the first valve gear makes first Communicating passage between communication port and the second communication port is connected, and keeps the connection between the third connecting mouth and the 4th communication port logical Road conducting.Specifically, the first valve gear of heat management system can be first fluid switching device 201, first fluid switching dress Setting 201 includes that the first valve opening 2011, the second valve opening 2012, third valve opening 2013 and the first import 2014 or first fluid switch Device 201 further includes the first communicating pipe being connected to the first valve opening, the second communicating pipe being connected to the second valve opening and third valve opening The third connecting pipe of connection and the 4th communicating pipe being connected to the first import 2014, referring specifically to Figure 16, wherein the first import 2014 are connected to the first communication port, and the first valve opening 2011 is connected to third connecting mouth, and the second valve opening 2012 and the 4th communication port connect Logical, third valve opening 2013 is connected to the second communication port, in the first working condition of the first valve gear, first fluid switching device 201 can be such that the first import 2014 and the communicating passage of the first valve opening 2011 is connected, and can close third valve opening 2013 and second The communicating passage of valve opening 2012；In the second working condition of the first valve gear, first fluid switching device 201 can make the first valve Hole 2011 is connected with the communicating passage of the second valve opening 2012, while making the communicating passage of third valve opening 2013 and the first import 2014 Conducting.

First valve gear also may include second fluid switching device 201 ' and the first valve member 209, referring specifically to Figure 17, Wherein second fluid switching device 201 ' includes the second import 2014 ', the 4th valve opening 2011 ', the 5th valve opening 2012 ' and the 6th valve Hole 2013 ', similarly, second fluid switching device 201 ' also may include the 5th communicating pipe being connected to the 4th valve opening, with the The 6th communicating pipe, the 7th communicating pipe being connected to the 6th valve opening and the 8th company being connected to the second import 2014 of five valve openings connection Siphunculus, two ports of the first valve member 209 are connected to the 6th valve opening 2013 ' and the second communication port respectively, the second import 2014 ' It being connected to the first communication port, the 4th valve opening 2011 ' is connected to third connecting hole, and the 5th valve opening 2012 ' is connected to the 4th communication port, In the first working condition of the first valve gear, second fluid switching device 201 ' makes the second import 2014 ' and the 4th valve opening 2011 ' Communicating passage conducting, the 6th valve opening 2013 ' can be made to be connected with the communicating passage of the 5th valve opening 2012 ', closing the first valve member 209；In the second working condition of the first valve gear, second fluid switching device 201 ' can make the 4th valve opening 2011 ' and the 5th The communicating passage of valve opening 2012 ' is connected, and the 6th valve opening 2013 ' can be made to be connected with the communicating passage of the second import 2014 ', simultaneously The first valve member 209 is connected.First valve member 209 can be shut-off valve, flow control valve or check valve, wherein the first valve member 209 When for check valve, refrigerant flows into the direction check valve cut-off of the 6th valve opening 2013 ', and refrigerant flows out 2013 ' side of the 6th valve opening To check valve conducting.

Figure 12-Figure 15 is please referred to, heat management system also may include the first valve module 4011, the second valve module 4012 and Three valve modules 4013, the first valve module 4011, the second valve module 4012 and third valve module 4013 can be shut-off valve or two-way The first port of flow control valve, the first port of the first valve module 4011 and the second valve module 4012 with compressor 10 go out Mouth connection, the second port of the first valve module 4011 are connected to the refrigerant inlet of First Heat Exchanger 101, the second valve module 4012 Second port be connected to the second port of third heat exchanger 103, the second port of third valve module 4013 and the first heat exchanging part Second port connection or be connected to by gas-liquid separator 207 with the second port of the first heat exchanging part, third valve module 4013 First port is connected to the second port of third heat exchanger 103, the refrigerant outlet of the second heat exchanger 102 and the first heat exchanging part Second port is connected to or is connected to by gas-liquid separator 207 with the second port of the first heat exchanging part.In other skills of the present embodiment Art scheme, the first valve module 4011 and the second valve module 4012 can replace (not shown), specifically, first with the first triple valve First connector of triple valve and the outlet of compressor 10, the second connector and First Heat Exchanger 101 of the first triple valve Refrigerant inlet connection, the third interface of the first triple valve is connected to the second port of third heat exchanger 103.Alternatively, second Valve module and third valve module can also be replaced with the second triple valve, specifically, the second connector, the first valve of the second triple valve The of the outlet of the first port of module and compressor 10, the first connector of the second triple valve and third heat exchanger 103 Two-port netwerk connection, the third connector of the second triple valve and the second port of the second heat exchanging part or passes through gas-liquid separator and the The second port of two heat exchanging part is connected to.Throttling unit 205 and first throttling device 202 can be heating power expansion valve or electronics is swollen Swollen valve or capillary etc. can be with the devices of throttling refrigerant；Valve cell 206 can be the shut-off valve with on-off control function Or flow control valve is also possible to a side as long as can be realized the circulation and shutdown that can control the flow path of refrigerant The check valve ended to circulation, other direction；Valve cell or valve module can also be integrated with heat exchanger, form sub-assembly, structure It is more compact, as first throttling device 202 and the second heat exchanger 102 it is integrated made of sub-assembly.

Heat management system further includes air-conditioning box (not labeled), and air-conditioning box includes air conditioning box body, and air conditioning box body is provided with several It is connected in air duct (not shown) and vehicle chamber, air duct is provided with the grid (not shown) of adjustable air duct size.In air conditioning box body The side of air inlet be provided with interior circulating air opening, outer circulation air port, in adjusting circulating air opening and outer circulation air port size circulated air Door 301 and the motor for driving cycle throttle 301.It is connected in interior circulating air opening and vehicle chamber, the indoor air of vehicle passes through interior Circulating air opening enters air conditioning box body and then reenters in vehicle chamber through air duct, forms interior circulation；Outer circulation air port and vehicle chamber Outer connection, the air outside vehicle chamber enter air conditioning box body by outer circulation air port, enter in vehicle chamber by air duct.Cycle throttle 301 are arranged between interior circulating air opening and outer circulation air port, and controller can control cycle throttle 301 by motor, Interior circulating air opening can be closed when cycle throttle 301 switches to interior circulating air opening, outer circulation be formed, when cycle throttle 301 Outer circulation air port can be closed when switching to outer circulation air port, form interior circulation, the position for adjusting cycle throttle 301 can be with The size of circulating air opening and outer circulation air port in adjusting, to adjust empty into air outside vehicle in the air of air conditioning box body and car The ratio of gas.In addition, the side of third heat exchanger 103 also sets up blower 303, the wind for flowing through third heat exchanger 103 can speed up Speed.First Heat Exchanger 101 is set to air conditioning box body, is arranged in air conditioning box body close to the position in interior circulating air opening and outer circulation air port There is an air blower 304.Temperature damper 302, First Heat Exchanger 101 and are additionally provided in the weather side of First Heat Exchanger 101 Two heat exchangers 102 spaced apart can be set to air conditioning box body, and temperature damper 302 is set to First Heat Exchanger 101 in other words And second between heat exchanger 102, and when which opens, the air that is blown into from interior circulating air opening or outer circulation air port The subsequent First Heat Exchanger 101 of temperature damper 302 can be passed through, when which closes, from interior circulating air opening or outside The air that circulating air opening is blown into can not flow through First Heat Exchanger 101, and air is flowed through from the channel of 302 two sides of temperature damper, then Enter in vehicle chamber by air duct.

Heat management system includes heating mode, refrigeration mode, dehumidification mode, separately below to heat management system under several modes The working condition of system is illustrated.When environment temperature is low, when passenger compartment needs heat to improve comfort of passenger, heat management system Into heating mode, Fig. 9 and Figure 13 is please referred to.It is specifically introduced by taking Fig. 9 as an example, in heating mode, first fluid switching dress 201 are set in the second working condition, opens throttling unit 205, the refrigerant of heat management system is compressed by compressor 10, by low The refrigerant compression of warm low pressure is at the refrigerant of high temperature and pressure, and refrigerant is from 10 outlet end of compressor by First Heat Exchanger 101 Refrigerant inlet enter First Heat Exchanger 101, at this moment temperature damper 302 open, the refrigerant of First Heat Exchanger 101 is in air duct Air around interior and First Heat Exchanger 101 carries out heat exchange, and the refrigerant of First Heat Exchanger 101 discharges heat to surrounding air Amount, becomes the liquid refrigerant of cryogenic high pressure, the refrigerant outlet of First Heat Exchanger 101 leads to the first port of the second heat exchanging part Flow path conducting, the flow path for leading to the second heat exchanger 102 is not turned on, into the first flat pipe refrigerant and enter the second flat The refrigerant of pipe is in the refrigerant heat exchange of the two joint place, at this moment, flows through the refrigerant corresponding with flowing through second of the first sub-portion At this moment the refrigerant heat exchange of flat pipe flows through the refrigerant heat exchange of the first sub-portion the second flat pipe corresponding to flowing through, here " the corresponding second flat pipe " refers to the second flat pipe being bonded with the first flat pipe in the first sub-portion.In heat management system When controlling heat, flows only through some refrigerant of the second flat pipe and flow through the refrigerant heat exchange of the first sub-portion, specifically, refrigerant Enter the first sub- chamber through first port 25, the first intracavitary refrigerant of son through the first sub-portion enter the chamber of the first header and after pass through Second port 21 flows out the second heat exchanging part, and the first flat pipe of only the first sub-portion and the second flat pipe of corresponding position participate in heat Exchange.Correspondingly, refrigerant enters third heat exchanger 103, the liquid refrigeration of low-temp low-pressure after 205 reducing pressure by regulating flow of throttling unit Air of the agent around third heat exchanger 103 and heat exchanger carries out heat exchange, absorbs the heat of air.Wherein, throttling unit 205 Open the access or throttling unit 205 and valve cell of the second port of the second heat exchanging part and the first port of third heat exchanger 206 open the access of the first port of the second port of the second heat exchanging part and third heat exchanger, and valve cell 206 makes the second heat exchanging part The access of third port and the first port of third heat exchanger 103 be not turned on, the blower that third heat exchanger 103 is nearby arranged 303 air blown around third heat exchanger 103 form air stream, accelerate the heat exchange of third heat exchanger 103 and surrounding air, The heat absorbed in air becomes gas-liquid mixed state cold-producing medium；The refrigerant of third heat exchanger 103 is through first fluid switching device 201 enter the first heat exchanging part, and the refrigerant heat exchange of the refrigerant of the first heat exchanging part and the second heat exchanging part becomes more low-temp low-pressure Gaseous refrigerant and enter compressor.Intermediate Heat Exchanger 203 is arranged in heat management system, when heat management system heats, refrigerant First Heat Exchanger heat exchange sufficiently, the refrigerant temperature of First Heat Exchanger outlet is relatively low, in other words the of the second heat exchanging part The refrigerant temperature of Single port is relatively low, and the heat exchange amount of required Intermediate Heat Exchanger is relatively small, therefore, flows through the second heat exchanging part Refrigerant can be met the requirements with some refrigerant heat exchange for flowing through the first heat exchanging part；In addition, when heating, Intermediate Heat Exchanger 203 heat exchange amount is relatively small, can increase the refrigerant density of compressor inlet to increase the conveying capacity of compressor refrigerant. When refrigerant may be liquid or gas-liquid two-phase, gas-liquid separator can be set before the second port of the first heat exchanging part, by gas The separation of liquid/gas separator 207, the refrigerant of liquid is stored in gas-liquid separator, and the gaseous refrigerant of low-temp low-pressure enters first Then enter compressor after heat exchanging part, with the second heat exchanging part inner refrigerant heat exchange, it is high by 10 boil down to high temperature of compressor again The refrigerant of pressure, such cycle operation；In addition, gas can be not provided in the case where compressor can bear liquid refrigerant Liquid/gas separator 207, in addition gas-liquid separator 207 can also be substituted with liquid reservoir.And the case where refrigerant is not two phase flow It can be not provided with gas-liquid separator.

When temperature is higher in passenger compartment, needs to reduce passenger compartment temperature to improve comfort level, heat management system enters system Cold mode please refers to Figure 10 and Figure 14, is specifically introduced by taking Figure 10 as an example, and refrigerant becomes after the compression of compressor 10 The refrigerant of high temperature and pressure, the refrigerant that compressor 10 is discharged enter First Heat Exchanger 101, at this time the temperature wind of First Heat Exchanger Door 302 is closed, airflow bypass First Heat Exchanger 101, and First Heat Exchanger 101 is not involved in heat exchange substantially, and First Heat Exchanger 101 is system The circulation passage of cryogen, control first fluid switching device 201 are in the first working condition, the system that First Heat Exchanger 101 is discharged Cryogen, which passes through, enters the second port of third heat exchanger 103 through the first valve gear, refrigerant third heat exchanger 103 with around and Atmospheric heat exchange discharges heat to surrounding air, becomes the refrigerant of relative low temperature high pressure, cools down by third heat exchanger 103 Refrigerant by valve cell 206 enter the second heat exchanging part third port, from the first port of the second heat exchanging part be discharged phase The refrigerant of cryogenic high pressure is entered through and enters the second heat exchanger 102 after 202 reducing pressure by regulating flow of first throttling device, at this time second The refrigerant outlet of heat exchanger is connected to the first port of the second heat exchanging part, closes throttling unit 205 and/or valve cell 206, the The heat of the refrigerant suction air-flow of two heat exchangers 102, air of the refrigerant around 102 pairs of the second heat exchanger is cold in other words But, the refrigerant for the gas-liquid mixture phase being discharged from the refrigerant outlet of the second heat exchanger enters the first heat exchanging part.It is changed in centre Hot device 203, into the refrigerant of the first flat pipe and the second flat pipe in the refrigerant heat exchange of the two joint place, that is, flowing through The refrigerant heat exchange of the refrigerant of first sub-portion the second flat pipe corresponding with flowing through, flows through the refrigerant and stream of the second sub-portion Refrigerant heat exchange through corresponding second flat pipe, the refrigerant being discharged from the second heat exchanging part become the liquid of more cryogenic high pressure Refrigerant, " corresponding second flat pipe " described here refer to the second flat pipe being bonded with the first flat pipe in the first sub-portion Or " corresponding second flat pipe " refers to the second flat pipe being bonded with the first flat pipe in the second sub-portion.Heat management system system When cold, environment temperature is generally higher, and refrigerant is in relatively insufficient, the refrigerant of third heat exchanger exit of third heat exchanger heat exchange Temperature is relatively high, and the refrigerant temperature of the third port of the second heat exchanging part is relatively high in other words, and refrigerant is needed second Heat exchanging part further cools down, therefore the refrigerant for flowing through the second heat exchanging part is handed over the whole refrigerant heat for flowing through the first heat exchanging part It changes, and then improves refrigerant in the refrigerating capacity of the second heat exchanger, to be conducive to improve the performance of heat management system.

When vehicle's passenger compartment relative humidity is larger, the vapor in air, which is easy to condense in glass for vehicle window, influences the visual field, Form security risk, it is therefore desirable to dehumidify to passenger cabin air, i.e. the dehumidification mode of heat management system, including the first dehumidifying Mode and the second dehumidification mode.When temperature is low, demand for heat is larger, using the first dehumidification mode, please refer to Figure 11 and Figure 15 introduces the first dehumidification mode by taking Figure 11 as an example below, in the first dehumidification mode, opening temperature air door 302, and control first Valve gear is in the second working condition, and the refrigerant outlet of First Heat Exchanger 101 passes through first fluid switching device 201 and second First throttling device connection before heat exchanger 102, the first port of the refrigerant outlet of First Heat Exchanger 101 and the second heat exchanging part Connection；Open throttling unit 205 and open first throttling device 202, close valve cell with the third port of the second heat exchanging part with Communicating passage between the first port of second heat exchanger；Refrigerant becomes the gas of high temperature and pressure after the compression of compressor 10 Body, the refrigerant that compressor 10 is discharged enter First Heat Exchanger 101, and temperature damper 302 is opened at this time, the refrigerant of high temperature and pressure Air around First Heat Exchanger 101 and First Heat Exchanger 101 carries out heat exchange, to the air release around First Heat Exchanger Heat；Some refrigerant enters first throttling device 202, and it is low that refrigerant by 202 reducing pressure by regulating flow of first throttling device becomes low temperature The refrigerant of the medium of pressure, low-temp low-pressure carries out heat exchange with surrounding air in the second heat exchanger 102, absorbs the heat of surrounding air Amount, since the humidity on 102 surface of the second heat exchanger is lower, air can condensation, air is by cool-down dehumidification, and refrigerant First port through the second heat exchanger enters the first heat exchanging part；Similarly, refrigerant enters the first sub-portion, and changes with flowing through first The some refrigerant heat exchange in hot portion, " corresponding second flat pipe " described here refer to and the first flat pipe in the first sub-portion Second flat pipe of fitting.In heat management system heating, flows only through some refrigerant of the second flat pipe and flow through the first son The refrigerant heat exchange in portion, specifically, refrigerant enter the first sub- chamber 1201, the intracavitary refrigerant warp of the first son through first port 25 First sub-portion enter the chamber of the first header and after through second port 21 flow out the second heat exchanging part, only the first of the first sub-portion be flat Shape pipe and the second flat pipe of corresponding position participate in heat exchange.Then refrigerant enters throttling from the second port of the second heat exchanging part Unit 205, refrigerant are throttled after unit 205 throttles and are depressurized the medium for becoming low-temp low-pressure, and the refrigerant of low-temp low-pressure exists Second heat exchanger 102 carries out heat exchange with surrounding air, absorbs the heat of surrounding air, becomes the refrigerant of low-temp low-pressure, so Enter the first heat exchanging part and the refrigerant heat exchange with the second heat exchanging part afterwards.It is recognised that flowing through first in the first dehumidification mode The some refrigerant of heat exchanging part and the refrigerant heat exchange for flowing through the second heat exchanging part, that is, flowing through the first flat of the first sub-portion The refrigerant of the refrigerant of pipe the second flat pipe corresponding to flowing through being capable of heat exchange.Similarly, heat management system setting is intermediate changes Hot device 203, for heat management system in the first dehumidification mode, refrigerant is abundant in First Heat Exchanger heat exchange, First Heat Exchanger outlet Refrigerant temperature it is relatively low, the refrigerant temperature of the first port of the second heat exchanging part is relatively low in other words, required centre The heat exchange amount of heat exchanger is relatively small, and therefore, the refrigerant for flowing through the second heat exchanging part freezes with the part for flowing through the first heat exchanging part Agent heat exchange can be met the requirements；In addition, the heat exchange amount of Intermediate Heat Exchanger 203 is relatively small, can increase compressor when heating The refrigerant density of import is to increase the conveying capacity of compressor refrigerant.

When demand for heat is little, the second dehumidification mode can be used.Is introduced below with heat management system shown in Fig. 8 Two dehumidification modes control the first valve gear at this time and are in the first working condition, the refrigerant outlet and third of First Heat Exchanger 101 The second port of heat exchanger 103 is connected to, and valve cell 206 makes the first port of third heat exchanger 103 and the third of the second heat exchanging part Access conducting between port, the refrigerant into the second heat exchanging part enter first throttle by the first port of the second heat exchanging part Device 202, opens first throttling device 202, and refrigerant becomes the gas of high temperature and pressure, compression after the compression of compressor 10 Machine 10 be discharged refrigerant enter First Heat Exchanger 101, at this time open temperature damper 302, refrigerant First Heat Exchanger 101 with Surrounding air heat exchange, surrounding air absorb the heat of 101 inner refrigerant of First Heat Exchanger and heat up, and refrigerant is by first-class Body switching device 201 enters third heat exchanger 103, refrigerant around third heat exchanger 103 with air heat exchange, to empty around Gas heat release becomes the refrigerant of cryogenic high pressure, enters first through valve cell 206 by the refrigerant that third heat exchanger 103 cools down Flat pipe, namely enter refrigerant and the corresponding second flat pipe of the first flat pipe in the refrigerant heat exchange of the two joint place, In Intermediate Heat Exchanger 203, into the refrigerant of the first flat pipe and the second flat pipe in the refrigerant heat exchange of the two joint place, That is, the refrigerant heat exchange of the refrigerant for flowing through the first sub-portion the second flat pipe corresponding with flowing through, flows through the system of the second sub-portion The refrigerant heat exchange of cryogen the second flat pipe corresponding with flowing through, the refrigerant being discharged from the second heat exchanging part become more low temperature height The liquid refrigerant of pressure, " corresponding second flat pipe " described here refer to be bonded with the first flat pipe in the first sub-portion Two flat pipes or " corresponding second flat pipe " refer to the second flat pipe being bonded with the first flat pipe in the second sub-portion.Then Refrigerant enters the second heat exchanger through first throttling device again, and refrigerant is handed in the second heat exchanger 102 with surrounding air heat at this time It changes, absorbs surrounding air heat, cooling and dehumidifying is carried out to the air around the second heat exchanger 102, the water vapour in air is encountered For condensation to achieve the purpose that dehumidifying, refrigerant enters the first heat exchanging part after the discharge of the second heat exchanger 102 when low temperature, with The refrigerant heat exchange of second heat exchanging part.The temperature damper 302 in 101 front of First Heat Exchanger of air conditioning box body is beaten completely at this time It opens, air-flow first passes through the second heat exchanger 102 by cool-down dehumidification, becomes the air-flow of low temperature and low humidity, then using First Heat Exchanger 101 are heated to form the air stream of low humidity, and the air stream being heated enters car room by grid, realize and dehumidify to car room Function.In the second dehumidification mode, although refrigerant carries out heat release in third heat exchanger, then refrigerant exists heat management system The heat exchange of third heat exchanger, but since environment temperature and air-conditioning the temperature inside the box are higher, refrigerant and air-flow heat exchange are relatively insufficient, the The refrigerant temperature of three heat exchanger exits is relatively high, and the refrigerant temperature of the third port of the second heat exchanging part is relatively in other words Height, refrigerant needs further cool down in the second heat exchanging part, therefore flow through the refrigerant of the second heat exchanging part and flow through the first heat exchange Whole refrigerant heat exchanges in portion, and then refrigerant is improved in the refrigerating capacity of the second heat exchanger, to be conducive to improve heat management system The performance of system.

Intermediate Heat Exchanger is arranged in heat management system, and the second heat exchanging part of Intermediate Heat Exchanger includes first port, second port And third port, when heat management system heats, channel of the refrigerant between the first port and third port of the second heat exchanging part Flowing, the whole refrigerants for flowing through the first heat exchanging part carry out heat exchange with the refrigerant for flowing through the second heat exchanging part；Heat management system When refrigeration, channel flowing of the refrigerant between the second port and first port of the second heat exchanging part flows through the first heat exchanging part Some refrigerant carries out heat exchange with the refrigerant for flowing through the second heat exchanging part, and Intermediate Heat Exchanger freezes and heats in heat management system When, heat management system accordingly has adjusted the heat exchange amount of Intermediate Heat Exchanger, to meet the work requirements of heat management system, to be conducive to Improve the performance of heat management system.

It should be understood that above embodiments are merely to illustrate the present invention and not limit technical side described in the invention Case, such as "front", "rear", "left", "right", "upper", "lower" isotropy are defined, although this specification is referring to above-mentioned reality Applying example, the present invention has been described in detail, still, those skilled in the art should understand that, technical field Technical staff still the present invention can be combined with each other, be modified or equivalent replacement, and all do not depart from it is of the invention The technical solution and its improvement of spirit and scope, should all cover in scope of the presently claimed invention.

Claims

1. a kind of heat management system, including compressor, First Heat Exchanger, the second heat exchanger, third heat exchanger and Intermediate Heat Exchanger, The Intermediate Heat Exchanger includes the first heat exchanging part and the second heat exchanging part, and first heat exchanging part at least can be with part described second Heat exchanging part heat exchange, the first port of first heat exchanging part and the inlet communication of the compressor, first heat exchanging part Second port can be connected to the refrigerant outlet of second heat exchanger and/or connect with the second port of the third heat exchanger Logical, the first port of second heat exchanging part can be connected to or logical and described the with the refrigerant outlet of the First Heat Exchanger The refrigerant inlet of two heat exchangers is connected to；The heat management system further includes volume control device, the volume control device packet Throttling unit and valve cell are included, the first port of the third heat exchanger can pass through the valve cell and second heat exchanging part Third port connection, the second port of second heat exchanging part can pass through the throttling unit and the third heat exchanger First port connection；

In at least one operating mode of the heat management system, the throttling unit opens the first end of the third heat exchanger Access or the throttling unit and the valve cell mouthful between the second port of second heat exchanging part open described the Access between the first port of three heat exchangers and the second port of second heat exchanging part, the valve cell change the third Access between the first port of hot device and the third port of second heat exchanging part is not turned on, and flows through second heat exchanging part Refrigerant and the refrigerant for flowing through part first heat exchanging part being capable of heat exchanges.

2. heat management system according to claim 1, which is characterized in that in the heating mode, the compressor goes out Mouth is connected to the refrigerant inlet of the First Heat Exchanger, first port and the First Heat Exchanger of second heat exchanging part Refrigerant outlet connection, the refrigerant for flowing through the First Heat Exchanger discharge heat in the First Heat Exchanger, and described first changes The second port in hot portion is connected to by the throttling unit with the first port of the third heat exchanger, and the throttling unit is opened It opens, the refrigerant for flowing through the third heat exchanger can absorb heat in the third heat exchanger；

And/or the heat management system includes first throttling device, the first throttling device is set to second heat exchanger Refrigerant inlet；In the first dehumidification mode of the heat management system, the outlet of the compressor and the First Heat Exchanger Refrigerant inlet connection, flow through the First Heat Exchanger refrigerant can the First Heat Exchanger discharge heat；It is described The refrigerant inlet of second heat exchanger is connected to by the first throttling device with the refrigerant outlet of the First Heat Exchanger, institute The first port for stating the second heat exchanging part is connected to the refrigerant outlet of the First Heat Exchanger, the second end of second heat exchanging part Mouth is connected to by the throttling unit with the first port of the third heat exchanger；The refrigerant outlet of second heat exchanger with The second port of first heat exchanging part is connected to, and the second port of the second port of the third heat exchanger and first heat exchanging part connects Logical, the throttling unit and the first throttling device are opened, and the refrigerant for flowing through second heat exchanger can be described Second heat exchanger absorbs heat, and the refrigerant for flowing through the third heat exchanger is enough in third heat exchanger absorption thermal discharge.

3. heat management system according to claim 1 or 2, which is characterized in that the volume control device connects including first Mouth, second interface and third interface, the first interface are connected to the first port of the third heat exchanger, the second interface It is connected to the second port of second heat exchanging part, the third interface is connected to the third port of second heat exchanging part；Institute It states first interface and is connected to the second interface by the throttling unit, the first interface and the third interface pass through institute State valve cell connection.

4. heat management system according to claim 3, which is characterized in that the valve cell and the throttling unit fission are set It sets；The valve cell includes two ports, the first port of the valve cell and the third orifice, the throttling unit First port be connected to the second interface, the second port of the second port of the throttling unit and the valve cell with The first interface connection；Or the valve cell includes three, the first port of the valve cell and the first interface connect It is logical, the second port of the valve cell and the third orifice, the third port of the valve cell and the throttling unit Second port connection, the first port of the throttling unit is connected to the second interface；

Alternatively, the valve cell and the throttling unit are wholely set, the volume control device includes valve body, and described first connects Mouth, the second interface and the third interface are set to the valve body.

5. heat management system according to claim 4, which is characterized in that the heat management system further includes gas-liquid separation The outlet of device, the gas-liquid separator is connected to the second port of first heat exchanging part, the intake energy of the gas-liquid separator It is enough connected to the second port of the third heat exchanger and/or the refrigerant outlet of second heat exchanger is connected to.

6. -5 any heat management system according to claim 1, which is characterized in that the heat management system further includes first Valve gear, first valve gear include the first communication port, the second communication port, third connecting mouth and the 4th communication port, and described the One communication port is connected to the refrigerant outlet of the First Heat Exchanger, and the second of the 4th communication port and first heat exchanging part Port is connected to or is connected to by the gas-liquid separator with the second port of first heat exchanging part, and second communication port can It is connected to by the first throttling device with the refrigerant inlet of the second heat exchanger, second communication port can be with described second The first port of heat exchanging part is connected to, and the third connecting mouth is connected to the second port of the third heat exchanger,

First valve gear includes the first working condition and the second working condition, in the first work shape of first valve gear State, the conducting of first communication port and the third connecting mouth, between the 4th communication port and second communication port Communicating passage is opposite to be not turned on, and in the second working condition of first valve gear, described the first of first valve gear connects Port is connected with second communication port, and the third connecting mouth is connected with the 4th communication port.

7. heat management system according to claim 6, which is characterized in that first valve gear includes first fluid switching Device, the first fluid switching device include the first import, the first valve opening, the second valve opening and third valve opening, described first into It mouthful is connected to first communication port, first valve opening is connected to the third connecting mouth, second valve opening and described the The connection of four communication ports, the third valve opening is connected to second communication port, in the first working condition of first valve gear, First import of the first fluid switching device is connected with the communicating passage between first valve opening, second valve Communicating passage between hole and the third valve opening is opposite to be not turned on, described in the second working condition of first valve gear First import of first fluid switching device is connected with the communicating passage between the third valve opening, first valve opening with Communicating passage conducting between second valve opening.

8. heat management system according to claim 6, which is characterized in that first valve gear includes second fluid switching Device and the first valve member, the second fluid switching device include the second import, the 4th valve opening, the 5th valve opening and the 6th valve opening, Two ports of first valve member are connected to the 6th valve opening and second communication port respectively, the 5th valve opening and institute The connection of the 4th communication port is stated, the 4th valve opening is connected to the third connecting mouth, and second import is connected to described first Mouth connection, in the first working condition of first valve gear, second import of the second fluid switching device and institute The communicating passage conducting of the 4th valve opening is stated, the 5th valve opening is connected with the communicating passage of the 6th valve opening, first valve Device closes first valve member, in the second working condition of first valve gear, the institute of the second fluid switching device It states the second import to be connected with the communicating passage of the 6th valve opening, the communicating passage of the 4th valve opening and the 5th valve opening is led Logical, first valve gear opens first valve member.

9. -5 any heat management system according to claim 1, which is characterized in that the heat management system includes first segment Device is flowed, the first throttling device is set to the refrigerant inlet of second heat exchanger；The heat management system includes the Bivalve device, second valve gear include the first valve module, the second valve module and third valve module, first valve module The outlet of first port and the compressor, the first port of second valve module and the outlet of the compressor connect Logical, the second port of first valve module is connected to the refrigerant inlet of the First Heat Exchanger, second valve module Second port is connected to the second port of third heat exchanger, the first port of the third valve module and the third heat exchanger Second port connection, the second port of the third valve module are connected to the second port of second heat exchanging part；

Or second valve gear includes the first triple valve and the third valve module, the first connection of first triple valve The outlet of mouth and the compressor, the refrigerant of the second connector and the First Heat Exchanger of first triple valve enter Mouthful connection, the third connector of first triple valve is connected to the second port of third heat exchanger, the third connector and The first port of the third valve module is connected to, the refrigerant of the second port of the third valve module and second heat exchanger Outlet, the second port of the third valve module are connected to the second port of second heat exchanging part；

Or second valve gear includes the second triple valve and first valve module, the second connection of second triple valve Mouthful, the outlet of the first port of first valve module and the compressor, the second port of first valve module with The refrigerant inlet of the First Heat Exchanger is connected to, and the of the first connector of second triple valve and the third heat exchanger Two-port netwerk connection, the third connector of second triple valve is connected to the refrigerant outlet of second heat exchanger, and described the The third connector of two triple valves is connected to the refrigerant outlet of second heat exchanging part, the third connection of second triple valve Mouth is connected to the second port of second heat exchanging part.

10. according to any heat management system of claim 6-9, which is characterized in that the heat management system further includes system Cold mode,

It is connected in the outlet of the refrigeration mode of the heat management system, the compressor with the second port of the third heat exchanger Or be connected to by the First Heat Exchanger with the second port of the third heat exchanger, flow through the refrigerant of the third heat exchanger Heat is discharged in the third heat exchanger, the valve cell makes the first port and second heat exchanging part of the third heat exchanger Third port between access be not turned on, the valve cell and/or the throttling unit make the first of the third heat exchanger Access between port and the second port of second heat exchanging part is not turned on, and the first port of second heat exchanging part passes through institute First throttling device to be stated to be connected to the refrigerant inlet of second heat exchanger, the first throttling device is opened, and described second The refrigerant outlet of heat exchanger is connected to the second port of the first heat exchanging part, and the refrigerant for flowing through second heat exchanger can be Second heat exchanger absorbs heat.