CN220670290U - Multisystem heat exchanger with shunt tubes structure - Google Patents

Abstract

The utility model belongs to the technical field of heat exchangers, and particularly relates to a multi-system heat exchanger with a split-flow pipe structure, which solves the problem that the heat exchange efficiency adjustment effect is limited. This multisystem heat exchanger with shunt tubes structure, including left pressure manifold, right pressure manifold and flat pipe, left pressure manifold and right pressure manifold connect respectively in the both ends of flat pipe, left pressure manifold include first left pressure manifold and second left pressure manifold at least, right pressure manifold and left pressure manifold corresponding, including first right pressure manifold and second right pressure manifold at least, first left pressure manifold pass through flat pipe and first right pressure manifold to be connected and form first heat transfer system, second left pressure manifold pass through flat pipe and second right pressure manifold to be connected and form second heat transfer system, first heat transfer system and second heat transfer system can independently operate, left pressure manifold and right pressure manifold and flat pipe between be equipped with the shunt tubes structure. The heat exchange efficiency can be efficiently adjusted, and the heat exchange cost is reasonably utilized.

Description

Multisystem heat exchanger with shunt tubes structure

Technical Field

The utility model belongs to the technical field of heat exchangers, and particularly relates to a multi-system heat exchanger with a shunt tube structure.

Background

The micro-channel heat exchanger flows in a heat exchange channel formed by connecting the collecting pipe and the flat pipe through refrigerant, heat exchange is realized by heat dissipation through contact of the flat pipe and air and assisted heat dissipation of fins, and when the heat exchange efficiency needs to be adjusted, the micro-channel heat exchanger is realized by changing the air quantity of a fan, but the control effect is relatively limited.

The heat exchanger of the multi-system can well solve the problem that the effect of adjusting the heat exchange efficiency is limited in the face of different use scenes and use time, the single or multiple heat exchange systems are opened to realize the hierarchical adjustment of the heat exchange efficiency, and meanwhile, different types of refrigerants can be independently used for each independent heat exchange system, so that the effect of efficiently adjusting the heat exchange efficiency is further realized, and the reasonable and efficient utilization of the heat exchange cost is facilitated.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a multi-system heat exchanger with a split pipe structure, wherein the heat exchange efficiency of the multi-system heat exchanger can be efficiently adjusted.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a multisystem heat exchanger with shunt tubes structure, includes left pressure manifold, right pressure manifold and flat pipe, left pressure manifold and right pressure manifold connect respectively in the both ends of flat pipe, left pressure manifold include first left pressure manifold and second left pressure manifold at least, right pressure manifold and left pressure manifold corresponding, at least including first right pressure manifold and second right pressure manifold, first left pressure manifold pass through flat pipe and first right pressure manifold and be connected and form first heat transfer system, second left pressure manifold pass through flat pipe and second right pressure manifold and be connected and form second heat transfer system, first heat transfer system and second heat transfer system can independent operation work, left pressure manifold and right pressure manifold and flat pipe between be equipped with the shunt tubes structure.

The left collecting pipe and the right collecting pipe are connected to two ends of the flat pipe, refrigerant circulates between the collecting pipe and the flat pipe, the number of the left collecting pipe and the number of the right collecting pipe are corresponding, at least two groups are arranged, the first left collecting pipe and the first right collecting pipe are correspondingly connected through the flat pipe, the second left collecting pipe and the second right collecting pipe are correspondingly connected through the flat pipe, an independent first heat exchange system is formed among the first left collecting pipe, the flat pipe and the first right collecting pipe, an independent second heat exchange system is formed among the second left collecting pipe, the flat pipe and the second right collecting pipe, the first heat exchange system and the second heat exchange system are mutually independent and can be independently controlled to operate, the type of internal refrigerant can be independently adjusted and set, one or more heat exchange systems are opened, independent refrigerant type control is carried out on the corresponding heat exchange systems, and efficient control and adjustment of the overall heat exchange efficiency can be realized. The shunt tube structure is arranged between the left collecting pipe and the flat pipe and is used for enabling part of the flat pipe to be communicated with the first left collecting pipe, enabling other flat pipes to be communicated with the second left collecting pipe, separating independent flow paths of the first heat exchange system and the second heat exchange system, and arranging the shunt tube structure between the right collecting pipe and the flat pipe.

In the multi-system heat exchanger with the shunt tube structure, the flat tubes comprise a first flat tube and a second flat tube, the first flat tube is connected with the first left collecting tube and the first right collecting tube through the shunt tube structure, and the second flat tube is connected with the second left collecting tube and the second right collecting tube through the shunt tube structure.

The first left collecting pipe and the first right collecting pipe are connected through a first flat pipe, and the second left collecting pipe and the second right collecting pipe are connected through a second flat pipe and are mutually independent.

In the multi-system heat exchanger with the split-tube structure, the split-tube structure comprises a left split-tube and a right split-tube;

the left shunt tube is fixedly connected between the first left collecting pipe and the second left collecting pipe and is communicated with the flat tube;

the right shunt tube is fixedly connected between the first right collecting pipe and the second right collecting pipe and is communicated with the flat pipe.

The left flow dividing pipe is arranged between the left flow collecting pipes and used for dividing and conveying the refrigerant conveyed by the flat pipe into the first left flow collecting pipe or the second left flow collecting pipe, and the right flow dividing pipe is arranged between the right flow collecting pipes and used for dividing and conveying the refrigerant conveyed by the flat pipe into the first right flow collecting pipe or the second right flow collecting pipe.

In the multi-system heat exchanger with the split pipe structure, the left split pipe is divided into a plurality of first left split areas and second left split areas which are sequentially distributed at intervals through the first spacer, the first left split areas are communicated with the first left collecting pipe, and the second left split areas are communicated with the second left collecting pipe;

the right shunt tube is divided into a plurality of first right shunt areas and second right shunt areas which are sequentially distributed at intervals through a first spacer, the first right shunt areas are communicated with a first right collecting pipe, and the second right shunt areas are communicated with a second left collecting pipe;

the first left shunting area corresponds to the first right shunting area, and the second left shunting area corresponds to the second right shunting area.

The left collecting pipe is divided into a plurality of distribution areas through a first spacer, the first left distribution area and the second left distribution area are distributed at intervals and are respectively communicated with the first left collecting pipe and the second left collecting pipe, the right collecting pipe liquid is also arranged, a first heat exchange system is formed among the first left collecting pipe, the first left distribution area, the flat pipe, the first right distribution area and the first right collecting pipe, a second heat exchange system is formed among the second left collecting pipe, the second left distribution area, the flat pipe, the second right distribution area and the second right collecting pipe, the first heat exchange system and the second heat exchange system are mutually staggered, but can independently operate, and efficient heat exchange efficiency adjustment can be realized through switching a single heat exchange system or a plurality of heat exchange systems.

In the multi-system heat exchanger with the split pipe structure, two ends of the first flat pipe are respectively connected to the first left split area and the first right split area and communicated with the first left collecting pipe and the first right collecting pipe, and two ends of the second flat pipe are respectively connected to the second left split area and the second right split area and communicated with the second left collecting pipe and the second right collecting pipe.

The first flat pipe and the second flat pipe are respectively connected to the first heat exchange system and the second heat exchange system, so that independent circulation work is realized.

In the multi-system heat exchanger with the shunt pipe structure, the first left collecting pipe is divided into a first left inlet area, a first left reflux area and a first left outlet area through the second spacer, the first left inlet area is connected with a first inlet pipe, and the first left outlet area is connected with a first outlet pipe;

the second left collecting pipe is separated into a second left inlet area, a second left reflux area and a second left outlet area through a second spacer, a second inlet pipe is connected to the second left inlet area, and a second outlet pipe is connected to the second left outlet area;

the first right collecting pipe is separated into a first right backflow area and a second right backflow area through a second spacer, and the second right collecting pipe is separated into a third right backflow area and a fourth right backflow area through the second spacer.

The second spacer separates the first left collecting pipe into a plurality of intervals, separates the first right collecting pipe into a plurality of intervals, connects first import pipe on first left import district for the input circulation of input refrigerant and through the first flat pipe of connection, this first flat pipe intercommunication is on first right reflux district, and the refrigerant flows in first right reflux district and flows out through other first flat pipes of first right reflux district, and this first flat pipe connection is in first left reflux district, and the refrigerant flows in first left reflux district and flows out from other first flat pipes of first left reflux district, and this first flat pipe connection is on second right reflux district, and the refrigerant flows in second right reflux district and flows out to in the first left exit district through other first flat pipes of first right reflux district, carries out the output of refrigerant through the first exit pipe of connection on the first left exit district, accomplishes the circulation work of refrigerant in first heat transfer system, and the refrigerant circulation is smooth and easy, and heat exchange efficiency is high. The second left collecting pipe, the second right collecting pipe and the second flat pipe are arranged in the same way, and of course, the second inlet pipe and the second outlet pipe can be arranged on the same side as the first inlet pipe and the second outlet pipe or on different sides.

In the multi-system heat exchanger with the shunt tube structure, the first right reflux zone is communicated with the first left inlet zone and the first left reflux zone through the first right shunt zone and the first flat tube, the first left reflux zone is also communicated with the second right reflux zone through the first left shunt zone and the first flat tube, and the second right reflux zone is also communicated with the first left outlet zone through the first right shunt zone and the first flat tube;

the third right reflux zone is communicated with the second left inlet zone and the second left reflux zone through the second right split zone and the second flat pipe respectively, the second left reflux zone is also communicated with the fourth right reflux zone through the second left split zone and the second flat pipe, and the fourth right reflux zone is also communicated with the second left outlet zone through the second right split zone and the second flat pipe.

For the first heat exchange system, after entering the first left inlet area, the refrigerant sequentially flows through the first left flow dividing area, the first flat pipe, the first right flow dividing area, the first right backflow area, the first right flow dividing area, the first flat pipe, the first left flow dividing area, the first left backflow area, the first left flow dividing area, the first flat pipe, the first right flow dividing area, the second right flow dividing area, the first flat pipe, the first left flow dividing area and the first left outlet area to complete heat exchange circulation.

For the second heat exchange system, after entering the second left inlet area, the refrigerant flows through the second left flow dividing area, the second flat tube, the second right flow dividing area, the third right reflux area, the second right flow dividing area, the second flat tube, the second left flow dividing area, the second left reflux area, the second left flow dividing area, the second flat tube, the second right flow dividing area, the fourth right flow dividing area, the second flat tube, the second left flow dividing area and the second left outlet area in sequence, so that heat exchange circulation is completed.

In the multi-system heat exchanger with the split-tube structure, the left collecting pipe is fixedly provided with the adapter seat, and the first inlet pipe, the first outlet pipe, the second inlet pipe and the second outlet pipe are respectively detachably connected to the adapter seat and communicated with the corresponding left collecting pipe.

The adapter is fixed on the collecting pipe, and first inlet pipe, first outlet pipe, second inlet pipe and second outlet pipe can be dismantled and connect on the adapter, be convenient for install and dismantle, first inlet pipe, first outlet pipe, second inlet pipe and second outlet pipe and the left collecting pipe intercommunication that corresponds.

In the multi-system heat exchanger with the split pipe structure, the first left collecting pipe, the left split pipe and the second left collecting pipe are mutually parallel and distributed in a straight line or in a triangle;

the first right collecting pipe, the right shunt pipe and the second right collecting pipe are mutually parallel and distributed in a straight line or in a triangle.

The first left collecting pipe, the left shunt pipe and the second left collecting pipe are distributed in parallel, and are in alignment or in triangular distribution in terms of cross section, and can be selectively arranged according to specific use scenes. The first right collecting pipe, the right shunt pipe and the second right collecting pipe are arranged in the same way.

In the multi-system heat exchanger with the split-flow pipe structure, fins are arranged between the flat pipes and are in contact with the side walls of the flat pipes in a sticking mode.

The fins are arranged between the flat tubes in a contact manner, so that heat of the flat tubes can be transferred to exchange heat with air, and the heat exchange efficiency is improved.

Compared with the prior art, the utility model has the following advantages:

1. the left collecting pipe and the right collecting pipe are connected to two ends of the flat pipe, refrigerant circulates between the collecting pipe and the flat pipe, the number of the left collecting pipe and the number of the right collecting pipe are corresponding, at least two groups are arranged, the first left collecting pipe and the first right collecting pipe are correspondingly connected through the flat pipe, the second left collecting pipe and the second right collecting pipe are correspondingly connected through the flat pipe, an independent first heat exchange system is formed among the first left collecting pipe, the flat pipe and the first right collecting pipe, an independent second heat exchange system is formed among the second left collecting pipe, the flat pipe and the second right collecting pipe, the first heat exchange system and the second heat exchange system are mutually independent and can be independently controlled to operate, the type of internal refrigerant can be independently adjusted and set, one or more heat exchange systems are opened, independent refrigerant type control is carried out on the corresponding heat exchange systems, and efficient control and adjustment of the overall heat exchange efficiency can be realized. The shunt tube structure is arranged between the left collecting pipe and the flat pipe and is used for enabling part of the flat pipe to be communicated with the first left collecting pipe, enabling other flat pipes to be communicated with the second left collecting pipe, separating independent flow paths of the first heat exchange system and the second heat exchange system, and arranging the shunt tube structure between the right collecting pipe and the flat pipe.

2. The left collecting pipe is divided into a plurality of distribution areas through a first spacer, the first left distribution area and the second left distribution area are distributed at intervals and are respectively communicated with the first left collecting pipe and the second left collecting pipe, the right collecting pipe liquid is also arranged, a first heat exchange system is formed among the first left collecting pipe, the first left distribution area, the flat pipe, the first right distribution area and the first right collecting pipe, a second heat exchange system is formed among the second left collecting pipe, the second left distribution area, the flat pipe, the second right distribution area and the second right collecting pipe, the first heat exchange system and the second heat exchange system are mutually staggered, but can independently operate, and efficient heat exchange efficiency adjustment can be realized through switching a single heat exchange system or a plurality of heat exchange systems.

3. The first left collecting pipe, the left shunt pipe and the second left collecting pipe are distributed in parallel, and are in alignment or in triangular distribution in terms of cross section, and can be selectively arranged according to specific use scenes. The first right collecting pipe, the right shunt pipe and the second right collecting pipe are arranged in the same way.

4. The fins are arranged between the flat tubes in a contact manner, so that heat of the flat tubes can be transferred to exchange heat with air, and the heat exchange efficiency is improved.

5. The adapter is fixed on the collecting pipe, and first inlet pipe, first outlet pipe, second inlet pipe and second outlet pipe can be dismantled and connect on the adapter, be convenient for install and dismantle, first inlet pipe, first outlet pipe, second inlet pipe and second outlet pipe and the left collecting pipe intercommunication that corresponds.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1 provided by the present utility model;

FIG. 2 is a schematic top view of example 1 provided by the present utility model;

FIG. 3 is a schematic front view of example 1 provided by the present utility model;

FIG. 4 is a schematic cross-sectional view of A-A of FIG. 2;

FIG. 5 is a schematic cross-sectional view of B-B of FIG. 2;

fig. 6 is a schematic view of the left header and left shunt tube connection of example 2 provided by the present utility model.

In the figure, a left header 1, a first left header 11, a first left inlet area 12, a first left return area 13, a first left outlet area 14, a second left header 15, a second left inlet area 16, a second left return area 17, a second left outlet area 18, a right header 2, a first right header 21, a first right return area 22, a second right return area 23, a second right header 24, a third right return area 25, a fourth right return area 26, flat tubes 3, first flat tubes 31, second flat tubes 34, a shunt tube structure 4, a left shunt tube 5, a first left shunt area 51, a second left shunt area 52, a right shunt tube 6, a first right shunt area 61, a second right shunt area 62, a first spacer 71, a second spacer 72, a first inlet tube 81, a first outlet tube 82, a second inlet tube 83, a second outlet tube 84, and a changeover seat 9 are shown.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

Specific embodiments are shown in fig. 1-5, the multi-system heat exchanger with the split-tube structure comprises a left collecting tube 1, a right collecting tube 2 and a flat tube 3, wherein the left collecting tube 1 and the right collecting tube 2 are respectively connected to two ends of the flat tube 3, the left collecting tube 1 comprises a first left collecting tube 11 and a second left collecting tube 15, the right collecting tube 2 corresponds to the left collecting tube 1 and at least comprises a first right collecting tube 21 and a second right collecting tube 24, the first left collecting tube 11 is connected with the first right collecting tube 21 through the flat tube 3 to form a first heat exchange system, the second left collecting tube 15 is connected with the second right collecting tube 24 through the flat tube 3 to form a second heat exchange system, and the first heat exchange system and the second heat exchange system can independently work and operate. And a shunt pipe structure 4 is arranged between the left collecting pipe 1, the right collecting pipe 2 and the flat pipe 3.

Specifically, the left collecting pipe 1 and the right collecting pipe 2 are connected to two ends of the flat pipe 3, the refrigerant circulates between the collecting pipe and the flat pipe 3, the number of the left collecting pipe 1 and the right collecting pipe 2 is corresponding, at least two groups are arranged, the first left collecting pipe 11 and the first right collecting pipe 21 are correspondingly connected through the flat pipe 3, the second left collecting pipe 15 and the second right collecting pipe 24 are correspondingly connected through the flat pipe 3, an independent first heat exchange system is formed among the first left collecting pipe 11, the flat pipe 3 and the first right collecting pipe 21, an independent second heat exchange system is formed among the second left collecting pipe 15, the flat pipe 3 and the second right collecting pipe 24, the first heat exchange system and the second heat exchange system are mutually independent, operation can be independently controlled, and the type of internal refrigerant can be independently controlled, and the high-efficiency control and adjustment of the overall heat exchange efficiency can be realized by opening one or more heat exchange systems and controlling the type of independent refrigerant. The shunt tube structure 4 is arranged between the left collecting pipe 1 and the flat pipe 3, and is used for enabling part of the flat pipe 3 to be communicated with the first left collecting pipe 11, enabling the rest of the flat pipe 3 to be communicated with the second left collecting pipe 15, separating independent circulation paths of the first heat exchange system and the second heat exchange system, and arranging the shunt tube structure 4 between the right collecting pipe 2 and the flat pipe 3.

As shown in fig. 1, 4 and 5, the flat tube 3 includes a first flat tube 31 and a second flat tube 34, the first flat tube 31 connects the first left collecting tube 11 and the first right collecting tube 21, and the second flat tube 34 connects the second left collecting tube 15 and the second right collecting tube 24. A left shunt pipe 5 is fixedly arranged between the first left collecting pipe 11 and the second left collecting pipe 15, the left shunt pipe 5 is divided into a plurality of first left shunt areas 51 and second left shunt areas 52 which are sequentially distributed at intervals through a first spacer 71, the first left shunt areas 51 are communicated with the first left collecting pipe 11, and the second left shunt areas 52 are communicated with the second left collecting pipe 15; a right shunt tube 6 is fixedly arranged between the first right collecting pipe 21 and the second right collecting pipe 24, the right shunt tube 6 is divided into a plurality of first right shunt areas 61 and second right shunt areas 62 which are sequentially distributed at intervals through a first spacer 71, the first right shunt areas 61 are communicated with the first right collecting pipe 21, and the second right shunt areas 62 are communicated with the second left collecting pipe 15; the first left split area 51 corresponds to the first right split area 61, and the second left split area 52 corresponds to the second right split area 62. The two ends of the first flat tube 31 are respectively connected to the first left diversion area 51 and the first right diversion area 61, and the two ends of the second flat tube 34 are respectively connected to the second left diversion area 52 and the second right diversion area 62.

Specifically, a left shunt tube 5 is disposed between the left collecting tubes 1, and is used for shunting and conveying the refrigerant conveyed by the flat tube 3 to the first left collecting tube 11 or the second left collecting tube 15, the left collecting tube 1 is separated into a plurality of shunting areas by the first spacer 71, the first left shunting area 51 and the second left shunting area 52 are distributed at intervals and are respectively communicated with the first left collecting tube 11 and the second left collecting tube 15, the right collecting tube 2 is also disposed in a similar manner, a first heat exchange system is formed between the first left collecting tube 11, the first left shunting area 51, the flat tube 3, the first right shunting area 61 and the first right collecting tube 21, a second heat exchange system is formed between the second left collecting tube 15, the second left shunting area 52, the flat tube 3, the second right shunting area 62 and the second right collecting tube 24, and the first heat exchange system and the second heat exchange system are mutually staggered, but can independently operate, and efficient heat exchange efficiency adjustment can be realized by switching a single heat exchange system or a plurality of heat exchange systems. The first flat tube 31 and the second flat tube 34 are respectively connected to the first heat exchange system and the second heat exchange system, so that independent circulation work is realized.

As shown in fig. 4 and 5, the first left collecting pipe 11 is divided into a first left inlet area 12, a first left reflux area 13 and a first left outlet area 14 by a second spacer 72, a first inlet pipe 81 is connected to the first left inlet area 12, and a first outlet pipe 82 is connected to the first left outlet area 14; the second left collecting pipe 15 is divided into a second left inlet area 16, a second left reflux area 17 and a second left outlet area 18 by a second spacer 72, a second inlet pipe 83 is connected to the second left inlet area 16, and a second outlet pipe 84 is connected to the second left outlet area 18; the first right header 21 is partitioned into a first right return area 22 and a second right return area 23 by a second partition 72, and the second right header 24 is partitioned into a third right return area 25 and a fourth right return area 26 by a second partition 72.

Specifically, the second separator 72 divides the first left header 11 into a plurality of sections, divides the first right header 21 into a plurality of sections, connects the first inlet pipe 81 to the first left inlet section 12, and allows the refrigerant to flow through the connected first flat pipe 31, the first flat pipe 31 being connected to the first right return section 22, the refrigerant flowing into the first right return section 22 and flowing out through the other first flat pipes 31 of the first right return section 22, the first flat pipe 31 being connected to the first left return section 13, the refrigerant flowing into the first left return section 13 and flowing out from the other first flat pipes 31 of the first left return section 13, the first flat pipe 31 being connected to the second right return section 23, the refrigerant flowing into the second right return section 23 and flowing out into the first left outlet section 14 through the other first flat pipes 31 of the first right return section 22, and allowing the refrigerant to flow out through the first outlet pipes 82 connected to the first left outlet section 14, thereby achieving smooth operation of the refrigerant flow through the first heat exchange system, and achieving a high heat exchange efficiency. The second left collecting pipe 15, the second right collecting pipe 24 and the second flat pipe 34 are arranged in the same way, and the second inlet pipe 83 and the second outlet pipe 84 are arranged on the same side as the first inlet pipe 81 and the second outlet pipe 84.

As an optimization, the first right backflow zone 22 is respectively communicated with the first left inlet zone 12 and the first left backflow zone 13 through the first right diversion zone 61 and the first flat pipe 31, the first left backflow zone 13 is also communicated with the second right backflow zone 23 through the first left diversion zone 51 and the first flat pipe 31, and the second right backflow zone 23 is also communicated with the first left outlet zone 14 through the first right diversion zone 61 and the first flat pipe 31;

the third right recirculation zone 25 communicates with the second left inlet zone 16 and the second left recirculation zone 17 through the second right branching zone 62 and the second flat tube 34, respectively, the second left recirculation zone 17 also communicates with the fourth right recirculation zone 26 through the second left branching zone 52 and the second flat tube 34, and the fourth right recirculation zone 26 also communicates with the second left outlet zone 18 through the second right branching zone 62 and the second flat tube 34.

In other words, in the first heat exchange system, after entering the first left inlet zone 12, the refrigerant flows through the first left split zone 51, the first flat tube 31, the first right split zone 61, the first right return zone 22, the first right split zone 61, the first flat tube 31, the first left split zone 51, the first left return zone 13, the first left split zone 51, the first flat tube 31, the first right split zone 61, the second right return zone 23, the first right split zone 61, the first flat tube 31, the first left split zone 51, and the first left outlet zone 14 in this order, thereby completing the heat exchange flow.

In the case of the second heat exchange system, after entering the second left inlet zone 16, the refrigerant flows through the second left split zone 52, the second flat tube 34, the second right split zone 62, the third right return zone 25, the second right split zone 62, the second flat tube 34, the second left split zone 52, the second left return zone 17, the second left split zone 52, the second flat tube 34, the second right split zone 62, the fourth right return zone 26, the second right split zone 62, the second flat tube 34, the second left split zone 52, and the second left outlet zone 18 in this order, completing the heat exchange flow.

As an optimization of this embodiment, the number of the flat tubes 3 connected to each group of the first left split area 51, the second left split area 52, the first right split area 61 and the second right split area 62 is 4, and the total number of the flat tubes 3 is 44. In addition, in the present embodiment, the first left inlet area 12 communicates with 1 set of the first left split areas 51, the first left return area 13 communicates with 3 sets of the first left split areas 51, the first left outlet area 14 communicates with 2 sets of the first left split areas 51, the first right return area 22 communicates with 2 sets of the first right split areas 61, and the second right return area 23 communicates with 4 sets of the first right split areas 61; the second left inlet zone 16 communicates with 1 set of second left split zones 52, the second left return zone 17 communicates with 2 sets of second left split zones 52, the second left outlet zone 18 communicates with 2 sets of second left split zones 52, the third right return zone 25 communicates with 2 sets of second right split zones 62, and the fourth right return zone 26 communicates with 4 sets of second right split zones 62.

In this embodiment, the first left collecting pipe 11, the left shunt pipe 5 and the second left collecting pipe 15 are on the same vertical straight line, and the second left collecting pipe 15, the right shunt pipe 6 and the second right collecting pipe 24 may be arranged in the same way.

As an optimization, fins (not specifically shown in the figure) are arranged between the flat tubes 3, and the fins are in contact with the side walls of the flat tubes 3. The fins are arranged between the flat tubes 3 in a contact manner, so that heat of the flat tubes 3 can be transferred to exchange heat with air, and the heat exchange efficiency is improved.

As shown in fig. 1, the left collecting pipe 1 is fixedly provided with a adapting seat 9, and the first inlet pipe 81, the first outlet pipe 82, the second inlet pipe 83 and the second outlet pipe 84 are detachably connected to the adapting seat 9 respectively and are communicated with the corresponding left collecting pipe 1.

Specifically, the adaptor 9 is fixed on the collecting pipe, the first inlet pipe 81, the first outlet pipe 82, the second inlet pipe 83 and the second outlet pipe 84 are detachably connected to the adaptor 9, so that the mounting and the dismounting are facilitated, and the first inlet pipe 81, the first outlet pipe 82, the second inlet pipe 83 and the second outlet pipe 84 are communicated with the corresponding left collecting pipe 1 to realize circulation and transportation of the refrigerant.

The specific working principle is as follows: for the first heat exchange system, the refrigerant flows from the first inlet pipe 81 into the first left inlet area 12, flows out to the first right return area 22 through the first flat pipe 31, flows out to the first left return area 13 through other first flat pipes 31 connected in the first right return area 22, flows out to the second right return area 23 through other first flat pipes 31 connected in the first left return area 13, flows out to the first outlet area through other first flat pipes 31 connected in the second right return area 23, and flows out through the first outlet pipe 82, thereby completing the circulation of the refrigerant in the first heat exchange system; in the first flat tube 31, the refrigerant is heat-exchanged with the first flat tube 31, and the first flat tube 31 is heat-exchanged with air directly on the one hand, and is heat-exchanged with the fins and with the air by the fins to realize heat exchange. The second heat exchange system is the same. When the heat exchange device is particularly used, the first heat exchange system or the second heat exchange system is independently opened, so that low-efficiency heat exchange can be realized; simultaneously, the first heat exchange system and the second heat exchange system are opened to realize high-efficiency heat exchange; and further heat exchange efficiency adjustment can be performed by specifically adjusting the kind of the refrigerant.

Example 2

The specific working principle of this embodiment is basically the same as that of embodiment 1, except for the position distribution of the header and the shunt tubes.

In the embodiment shown in fig. 6, the first left collecting pipe 11, the left shunt pipe 5 and the second left collecting pipe 15 are parallel to each other and distributed in a triangle shape; the first right collecting pipe 21, the right shunt pipe 6 and the second right collecting pipe 24 are parallel to each other and distributed in a triangle.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (10)

1. The utility model provides a multisystem heat exchanger with shunt tubes structure, includes left pressure manifold (1), right pressure manifold (2) and flat pipe (3), left pressure manifold (1) and right pressure manifold (2) connect respectively in the both ends of flat pipe (3), its characterized in that, left pressure manifold (1) include first left pressure manifold (11) and second left pressure manifold (15) at least, right pressure manifold (2) and left pressure manifold (1) corresponding, including first right pressure manifold (21) and second right pressure manifold (24) at least, first left pressure manifold (11) be connected with first right pressure manifold (21) through flat pipe (3) and form first heat transfer system, second left pressure manifold (15) be connected through flat pipe (3) and second right pressure manifold (24) and form second heat transfer system, first heat transfer system and second heat transfer system can independently operate, left side (1) and right pressure manifold (2) and flat pipe (3) between be equipped with shunt tubes structure (4).

2. The multi-system heat exchanger with the shunt tube structure according to claim 1, wherein the flat tube (3) comprises a first flat tube (31) and a second flat tube (34), the first flat tube (31) is connected with the first left collecting tube (11) and the first right collecting tube (21) through the shunt tube structure, and the second flat tube (34) is connected with the second left collecting tube (15) and the second right collecting tube (24) through the shunt tube structure.

3. The multi-system heat exchanger with the shunt tube structure according to claim 2, characterized in that the shunt tube structure (4) comprises a left shunt tube (5) and a right shunt tube (6);

the left shunt tube (5) is fixedly connected between the first left collecting tube (11) and the second left collecting tube (15) and is communicated with the flat tube (3);

the right shunt tube (6) is fixedly connected between the first right collecting tube (21) and the second right collecting tube (24) and is communicated with the flat tube (3).

4. A multi-system heat exchanger with a shunt tube structure according to claim 3, wherein the left shunt tube (5) is divided into a plurality of first left shunt areas (51) and second left shunt areas (52) which are sequentially and alternately distributed by a first spacer (71), the first left shunt areas (51) are communicated with the first left collecting pipe (11), and the second left shunt areas (52) are communicated with the second left collecting pipe (15);

the right shunt tube (6) is divided into a plurality of first right shunt areas (61) and second right shunt areas (62) which are sequentially distributed at intervals through a first spacer (71), the first right shunt areas (61) are communicated with the first right collecting tube (21), and the second right shunt areas (62) are communicated with the second left collecting tube (15);

the first left diversion area (51) corresponds to the first right diversion area (61), and the second left diversion area (52) corresponds to the second right diversion area (62).

5. The multi-system heat exchanger with the split-tube structure according to claim 4, wherein two ends of the first flat tube (31) are respectively connected to the first left split-tube region (51) and the first right split-tube region (61) and are communicated with the first left collecting tube and the first right collecting tube, and two ends of the second flat tube (34) are respectively connected to the second left split-tube region (52) and the second right split-tube region (62) and are communicated with the second left collecting tube and the second right collecting tube.

6. The multi-system heat exchanger with the shunt tube structure according to claim 5, wherein the first left collecting pipe (11) is divided into a first left inlet area (12), a first left reflux area (13) and a first left outlet area (14) by a second spacer (72), the first left inlet area (12) is connected with a first inlet pipe (81), and the first left outlet area (14) is connected with a first outlet pipe (82);

the second left collecting pipe (15) is divided into a second left inlet area (16), a second left reflux area (17) and a second left outlet area (18) through a second spacer (72), a second inlet pipe (83) is connected to the second left inlet area (16), and a second outlet pipe (84) is connected to the second left outlet area (18);

the first right collecting pipe (21) is divided into a first right backflow area (22) and a second right backflow area (23) through a second spacer (72), and the second right collecting pipe (24) is divided into a third right backflow area (25) and a fourth right backflow area (26) through the second spacer (72).

7. The multi-system heat exchanger with a split-tube structure according to claim 6, wherein the first right return zone (22) is in communication with the first left inlet zone (12) and the first left return zone (13) through the first right split-tube zone (61) and the first flat tube (31), the first left return zone (13) is in communication with the second right return zone (23) through the first left split-tube zone (51) and the first flat tube (31), and the second right return zone (23) is in communication with the first left outlet zone (14) through the first right split-tube zone (61) and the first flat tube (31);

the third right reflux zone (25) is communicated with the second left inlet zone (16) and the second left reflux zone (17) through a second right split zone (62) and a second flat pipe (34), the second left reflux zone (17) is also communicated with a fourth right reflux zone (26) through a second left split zone (52) and a second flat pipe (34), and the fourth right reflux zone (26) is also communicated with a second left outlet zone (18) through a second right split zone (62) and a second flat pipe (34).

8. The multi-system heat exchanger with the split-tube structure according to claim 6 or 7, wherein the adapter seat (9) is fixedly arranged on the left collecting pipe, and the first inlet tube (81), the first outlet tube (82), the second inlet tube (83) and the second outlet tube (84) are respectively detachably connected to the adapter seat (9) and communicated with the corresponding left collecting pipe (1).

9. The multi-system heat exchanger with a split-tube structure according to any one of claims 3-7, wherein the first left header (11), the left split-tube (5) and the second left header (15) are parallel to each other and distributed in a straight line or in a triangle;

the first right collecting pipe (21), the right shunt pipe (6) and the second right collecting pipe (24) are mutually parallel and distributed in a straight line or in a triangle.

10. The multi-system heat exchanger with the shunt tube structure according to any one of claims 1 to 7, wherein fins are arranged between the flat tubes (3), and the fins are in contact with the side walls of the flat tubes (3).