CN217979964U - Heat exchanger - Google Patents

Abstract

The utility model relates to a refrigerating system field especially relates to heat exchanger. A heat exchanger comprises a bag and a heat radiation body, wherein one side of the heat radiation body is contacted with a heating source to exchange heat with the heating source, and the heat radiation body is provided with an inlet and an outlet for a medium to flow in and out; the radiator comprises a plurality of radiating modules, sub-channels for medium circulation are formed in the radiating modules, the radiating modules are spliced to form the radiator, so that the sub-channels are communicated with each other to form a channel, and two ends of the channel are communicated with the inlet and the outlet respectively. The heat exchanger has the advantages that the splicing mode of the plurality of heat dissipation modules can be adjusted according to the working environment, and when the working environment needs a smaller heat exchange area, the number of the heat dissipation modules can be reduced, so that the material consumption is reduced, and the energy consumption is reduced; when the working environment needs a larger heat exchange area, the number of the heat dissipation modules can be increased by the heat exchanger so as to adapt to the working environment with high power consumption requirement.

Description

Heat exchanger

Technical Field

The utility model relates to a refrigerating system field especially relates to heat exchanger.

Background

The heat exchanger is used as a core component of a refrigeration system and plays an important role in heat exchange with the outside, a channel for medium flowing is arranged in the heat exchanger, and the medium can absorb or release heat, so that the surface of the heat exchanger also has corresponding effects.

The inside of the existing heat exchanger is a radiator, when the working environment of the heat exchanger is changed or some extreme working conditions occur, the radiator can not adapt to the refrigeration systems with different loads, and the heat exchange efficiency can not be ensured.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a heat exchanger to above-mentioned technical problem, technical scheme as follows:

a heat exchanger comprises a heat radiation body, wherein one side of the heat radiation body is in contact with a heating source to exchange heat with the heating source, and an inlet and an outlet are formed in the heat radiation body to allow a medium to flow in and out;

the radiator comprises a plurality of radiating modules, sub-channels for medium circulation are formed in the radiating modules, the radiating modules are spliced to form the radiator, so that the sub-channels are mutually communicated to form a channel, and two ends of the channel are respectively communicated with the inlet and the outlet.

So set up, the heat exchanger is inside to be constituteed by a plurality of thermal module, and a plurality of thermal module can adjust the concatenation mode according to operational environment to make the heat transfer area adaptation of heat exchanger in operating mode. When the working environment needs a smaller heat exchange area, the heat exchanger can reduce the number of the heat dissipation modules, thereby reducing the material consumption and reducing the energy consumption; when the working environment needs a larger heat exchange area, the heat exchanger can increase the number of the heat dissipation modules so as to adapt to the working environment with high power consumption requirements.

In one embodiment, at least two sub-channels are disposed inside the heat dissipation module.

So set up, many sub-flow channels can provide more medium flow path to adapt to more operating modes, and import and export can be located the homonymy, and the medium can two heat exchanges in the in-process that flows in and flows out, also is higher to the utilization ratio of medium.

In one embodiment, two ends of at least two of the sub-flow channels respectively penetrate two side surfaces of the heat dissipation module, and the at least two sub-flow channels are isolated from each other in the heat dissipation module.

By the arrangement, the sub-runners are prevented from being influenced mutually.

In one embodiment, one end of each of the at least two sub-flow channels penetrates through one side of the heat dissipation module, and the other ends of the at least two sub-flow channels are communicated with each other inside the heat dissipation module.

So set up, the medium can turn to in the thermal module.

In one embodiment, a communication cavity is formed in the heat dissipation module, at least two of the sub-runners are communicated through the communication cavity, a cover plate is arranged on the outer side face of the heat dissipation module, the communication cavity faces the wall face of the cover plate, the wall face of the cover plate is a first face, and the cover plate covers an orthographic projection of the first face on one side, facing the cover plate, of the heat dissipation module.

So set up, the apron can strengthen the intensity of intercommunication chamber wall, prevents to leak.

In one embodiment, the heat dissipation module is square.

So set up, the concatenation of a plurality of heat dissipation module of being convenient for.

In one embodiment, two ends of at least two of the sub-runners respectively penetrate two side surfaces of the heat dissipation module, and the at least two sub-runners are mutually separated in the heat dissipation module to form a first heat dissipation module; or the like, or, alternatively,

one end of each sub-flow passage penetrates through one side of the heat dissipation module, and the other ends of the sub-flow passages are communicated with each other in the heat dissipation module to form a second heat dissipation module; or

Four sub-runners are arranged inside the heat dissipation module, each sub-runner penetrates through two side faces of the heat dissipation module respectively, and each sub-runner is mutually separated inside the heat dissipation module to form a third heat dissipation module;

the heat dissipation module is provided with three sub-runners, wherein one sub-runner penetrates through two side faces of the heat dissipation module, and the other two sub-runners are mutually isolated and respectively penetrate through two side faces of the heat dissipation module to form a fourth heat dissipation module.

One or any combination of the first heat dissipation module, the second heat dissipation module, the third heat dissipation module and the fourth heat dissipation module is used for forming the heat dissipation body.

So set up, heat dissipation module has the form of multiple concatenation, can make corresponding adjustment according to operational environment's change.

In one embodiment, a connecting piece is arranged between two adjacent heat dissipation modules, and the two adjacent heat dissipation modules are connected through the connecting piece.

So set up, can improve the joint strength between two adjacent thermal module.

In one embodiment, the outer side surfaces of the heat dissipation modules are provided with protrusions, the outer side surfaces of adjacent heat dissipation modules are provided with grooves, and the protrusions and the grooves are matched with each other to enable the heat dissipation modules to be connected in an inserted manner.

So set up, the grafting cooperation can promote the joint strength between two adjacent radiating module.

In one embodiment, an inlet pipe and an outlet pipe are arranged on the heat radiator, the inlet pipe is communicated with the inlet, the outlet pipe is communicated with the outlet, and the flow areas of the inlet pipe and the outlet pipe are smaller than the flow area of the sub-flow passage.

So set up, prevent that the flow is too big, produce too big stress to subchannel and heat dissipation module, influence life.

Compared with the prior art, the heat exchanger provided by the utility model has the advantages that through the arrangement of the plurality of heat dissipation modules, the splicing mode of the plurality of heat dissipation modules can be adjusted according to the working environment, so that the heat exchange area of the heat exchanger is adapted to the working condition, and when the working environment needs a smaller heat exchange area, the number of the heat dissipation modules can be reduced, so that the consumed materials are reduced, and the energy consumption is reduced; when the working environment needs a larger heat exchange area, the heat exchanger can increase the number of the heat dissipation modules so as to adapt to the working environment with high power consumption requirements.

Drawings

Fig. 1 is a front cross-sectional view of a heat exchanger according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a heat exchanger according to a first embodiment of the present invention;

fig. 3 is a front sectional view of a heat exchanger according to a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a heat exchanger according to a second embodiment of the present invention;

fig. 5 is a front sectional view of a heat exchanger according to a third embodiment of the present invention;

fig. 6 is a schematic structural diagram of a heat exchanger according to a third embodiment of the present invention;

fig. 7 is a schematic view of a connection manner of the heat dissipation module according to one embodiment of the present invention.

The symbols in the figures represent the following:

100. a heat exchanger; 10. a heat dissipation module; 11. a sub-channel; 12. a communicating cavity; 13. a cover plate; 14. a first heat dissipation module; 15. a second heat dissipation module; 151. a first side; 16. a third heat dissipation module; 106. a fourth heat dissipation module; 17. a connecting member; 18. a groove; 19. a protrusion; 21. an inlet; 22. feeding a pipe; 23. an outlet; 24. and (6) discharging the pipe.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used in the description of the present application are for illustrative purposes only and do not represent the only embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or may simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the description of the present application, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-2, the present invention provides a heat exchanger 100, which is applied in a refrigeration system for supplying a medium to flow, thereby exchanging heat with the outside.

A heat exchanger 100 comprises a heat radiation body, wherein one side of the heat radiation body is in contact with a heating source to exchange heat with the heating source, and an inlet 21 and an outlet 23 are formed in the heat radiation body to allow a medium to flow in and out;

the heat radiator is provided with an inlet pipe 22 and an outlet pipe 24, the inlet pipe 22 is communicated with the inlet 21, the outlet pipe 24 is communicated with the outlet 23, and the flow area of the inlet pipe 22 and the flow area of the outlet pipe 24 are smaller than that of the flow channel, so that the phenomenon that the flow is too large, too large stress is generated on the sub-flow channel 11 and the heat radiating module 10, and the service life is influenced is prevented.

The radiator comprises a plurality of radiating modules 10, sub-runners 11 for medium circulation are formed in the radiating modules 10, the radiating modules 10 are spliced to form the radiator, the sub-runners 11 are communicated with each other to form a channel, and two ends of the channel are communicated with an inlet 21 and an outlet 23 respectively.

The heat radiation body is composed of a plurality of heat radiation modules 10, the splicing mode of the plurality of heat radiation modules 10 can be adjusted according to the working environment, so that the heat exchange area of the heat exchanger 100 is adaptive to the working condition, when the working environment needs a smaller heat exchange area, the number of the heat radiation modules 10 can be reduced by the heat exchanger 100, thereby reducing the consumable material and reducing the energy consumption; when the working environment requires a larger heat exchange area, the heat exchanger 100 may increase the number of the heat dissipation modules 10 to adapt to the working environment with high power consumption requirement.

Specifically, at least two sub-channels 11 are arranged inside the heat dissipation module 10, the plurality of sub-channels 11 can provide more medium flow paths to adapt to more working conditions, the inlet 21 and the outlet 23 can be located on the same side, the medium can exchange heat twice in the processes of flowing in and flowing out, and the utilization rate of the medium is also higher.

It can be understood that three or four sub-channels 11 can be added to the interior of the heat dissipation module 10, so as to provide a greater combination of heat dissipation modules 10.

There are many arrangements of the sub-channels 11 of the heat dissipation module 10.

Setting mode one

Two ends of at least two sub-runners 11 respectively penetrate two side faces of the heat dissipation module 10, so that the medium can directly and rapidly flow out of the heat dissipation module 10 from the sub-runners 11. At least two sub-runners 11 are separated from each other inside the heat dissipation module 10 to form a first heat dissipation module 14, and the sub-runners 11 are separated from each other to avoid mutual influence.

Setting mode two

One end of each of the two sub-channels 11 penetrates one side of the heat dissipation module 10, and the other ends of the two sub-channels are communicated with each other inside the heat dissipation module 10. Thereby enabling the media to be diverted in the heat dissipation module 10. This arrangement forms the second heat dissipation module 15.

The heat dissipation module 10 is provided with a communication cavity 12 communicated with at least two sub-runners 11, the at least two sub-runners 11 are communicated through the communication cavity 12, a cover plate 13 is arranged on the outer side surface of the heat dissipation module 10 with the communication cavity 12, the wall surface of the communication cavity 12 facing the cover plate 13 is a first surface 151, and the cover plate 13 covers the orthographic projection of the first surface 151 on the side of the heat dissipation module 10 facing the cover plate 13. The cover plate 13 can reinforce the strength of the wall surface of the communication chamber 12 to prevent leakage.

Setting mode three

Four sub-runners 11 are arranged inside the heat dissipation module 10, each sub-runner 11 respectively penetrates through two side faces of the heat dissipation module 10, and the sub-runners 11 are mutually separated inside the heat dissipation module 10 to form a third heat dissipation module 16.

Setting mode four

Three sub-runners 11 are disposed inside the heat dissipation module 10, wherein one sub-runner 11 penetrates through two side surfaces of the heat dissipation module 10, and the other two sub-runners 11 are isolated from each other and respectively penetrate through two adjacent side surfaces of the heat dissipation module 10 to form a fourth heat dissipation module 106.

The heat sink is combined by one or more of the first heat dissipation module 14, the second heat dissipation module 15, the third heat dissipation module 16 and the fourth heat dissipation module 106, and during the working process of the heat exchanger, the refrigerant enters from the inlet 21 and gradually fills the sub-channels 11 of the plurality of heat dissipation modules 10, and flows out from the outlet 23, so that the refrigerant reaches a dynamic balance state inside the sub-channels 11 of the heat sink. With such an arrangement, the heat dissipation module 10 has a plurality of splicing forms, and can be adjusted accordingly according to the change of the working environment.

Preferably, the heat dissipation module 10 is square, and in the first heat dissipation module 14, two sub-runners 11 penetrate through two opposite sides of the first heat dissipation module 14; in the second heat dissipation module 15, one end of each of the two sub-runners 11 penetrates through one side of the second heat dissipation module 15, and the other ends of the two sub-runners are communicated with each other inside the second heat dissipation module 15; in the third heat dissipation module 16, four sub-runners 11 are formed inside the third heat dissipation module 16, each sub-runner 11 respectively penetrates through two side faces of the third heat dissipation module 16, and the sub-runners 11 are mutually separated inside the third heat dissipation module 16; in the fourth heat dissipation module 106, three sub-flow channels 11 are arranged inside the fourth heat dissipation module 106, wherein one sub-flow channel 11 penetrates through two opposite side surfaces of the fourth heat dissipation module 106, and the other two sub-flow channels 11 are isolated from each other and respectively penetrate through two adjacent side surfaces of the fourth heat dissipation module 106; by such arrangement, the first heat dissipation module 14, the second heat dissipation module 15, the third heat dissipation module 16 and the fourth heat dissipation module 106 can be easily spliced. In other embodiments, the shape of the heat dissipation module 10 may also be a triangle, a pentagon, a hexagon, or the like.

Example one

Referring to fig. 1-2, the heat sink includes a first heat dissipation module 14, three second heat dissipation modules 15, and a third heat dissipation module 16, and the heat dissipation modules 10 are square. One side of the third heat dissipation module 16 is provided with an inlet 21 and an outlet 23, two adjacent sides of the third heat dissipation module 16 are respectively connected with the two second heat dissipation modules 15, the opposite side of the third heat dissipation module 16 provided with the inlet 21 and the outlet 23 is connected with the first heat dissipation module 14, one side of the first heat dissipation module 14 far away from the third heat dissipation module 16 is connected with the second heat dissipation module 15, and the sub-flow channels 11 in the heat dissipation module 10 are all communicated with each other. The medium enters from the inlet 21, flows into the second heat dissipation module 15 after passing through one sub-flow channel 11 of the third heat dissipation module 16, is reversed in the second heat dissipation module 15, flows back to the third heat dissipation module 16, flows into the first heat dissipation module 14 after passing through the other sub-flow channel 11 of the third heat dissipation module 16, flows into the other second heat dissipation module 15 after passing through one sub-flow channel 11 of the first heat dissipation module 14, is reversed in the second heat dissipation module 15, flows to the outlet 23, the outflow path of the medium is mirror-symmetrical to the inflow path, and finally flows out of the heat exchanger 100 from the outlet 23 of the third heat dissipation module 16.

Example two

Referring to fig. 3-4, the heat sink includes a fourth heat dissipation module 106 and two second heat dissipation modules 15, one side of the fourth heat dissipation module 106 is provided with an inlet 21 and an outlet 23, the adjacent side and the opposite side of the fourth heat dissipation module 106 and the side are connected to the second heat dissipation modules 15, and the sub-channels 11 in the fourth heat dissipation module 106 and the second heat dissipation module 15 are communicated with each other. The medium enters from the inlet 21, flows into the second heat dissipation module 15 through one sub-flow channel 11 in the fourth heat dissipation module 106, flows back to the other sub-flow channel 11 of the fourth heat dissipation module 106 after being reversed in the second heat dissipation module 15, flows into the other second heat dissipation module 15, and flows out of the heat exchanger 100 through the sub-flow channels 11 penetrating through the two sides in the fourth heat dissipation module 106 after being reversed.

EXAMPLE III

Referring to fig. 5-6, the heat dissipation body includes a first heat dissipation module 14 and a second heat dissipation module 15, an inlet 21 and an outlet 23 are formed on one side of the first heat dissipation module 14, the second heat dissipation module 15 is connected to the opposite side of the first heat dissipation module 14, and the sub-channels 11 in the first heat dissipation module 14 and the second heat dissipation module 15 are communicated with each other. The medium flows into the second heat dissipation module 15 through one sub-flow channel 11 in the first heat dissipation module 14, is reversed through two flow channels in the second heat dissipation module 15, and finally flows out of the heat exchanger 100 through the other sub-flow channel 11 of the first heat dissipation module 14.

The arrangement of the heat dissipation module 10 in the heat dissipation body can be adjusted in various ways according to the working environment, and is not limited to the three embodiments described above.

Further, a connecting member 17 is disposed between two adjacent heat dissipation modules 10, and the two adjacent heat dissipation modules 10 are connected by the connecting member 17, so that the connection strength between the two adjacent heat dissipation modules 10 is improved. The connecting member 17 is a pin, a screw, a bolt, or the like.

Referring to fig. 7, in an embodiment, the outer side of each heat dissipation module 10 is provided with a protrusion 19, the outer side of each adjacent heat dissipation module 10 is provided with a groove 18, and the protrusion 19 and the groove 18 are mutually matched to enable a plurality of heat dissipation modules 10 to be connected in an inserting manner, so that the connection strength between two adjacent heat dissipation modules 10 can be enhanced.

The projections 19 and the grooves 18 are connected by welding after being inserted, and the arrangement of the projections 19 and the grooves 18 can increase the contact area between adjacent heat dissipation modules 10, thereby enhancing the welding strength.

An inlet pipe 22 and an outlet pipe 24 are arranged on the heat radiation body, the inlet pipe 22 is communicated with the inlet 21, the outlet pipe 24 is communicated with the outlet 23, and the flow area of the inlet pipe 22 and the flow area of the outlet pipe 24 are smaller than that of the sub-flow passage 11.

Compared with the prior art, the heat exchanger 100 provided by the utility model, by arranging the plurality of heat dissipation modules 10, the plurality of heat dissipation modules 10 can adjust the splicing mode according to the working environment, so that the heat exchange area of the heat exchanger 100 is adapted to the working condition, and when the working environment needs a smaller heat exchange area, the heat exchanger 100 can reduce the number of the heat dissipation modules 10, thereby reducing the material consumption and the energy consumption; when the working environment requires a larger heat exchange area, the heat exchanger 100 may increase the number of the heat dissipation modules 10 to adapt to the working environment with high power consumption requirement.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A heat exchanger comprises a heat radiation body, wherein one side of the heat radiation body is in contact with a heating source to exchange heat with the heating source, and the heat radiation body is provided with an inlet (21) and an outlet (23) for a medium to flow in and out;

the heat dissipation body is characterized by comprising a plurality of heat dissipation modules (10), sub-runners (11) for medium circulation are formed in the heat dissipation modules (10), the heat dissipation modules (10) are spliced to form the heat dissipation body, so that the sub-runners (11) are mutually communicated to form a channel, and two ends of the channel are respectively communicated with the inlet (21) and the outlet (23).

2. The heat exchanger according to claim 1, characterized in that the interior of the heat dissipation module (10) is provided with at least two of the sub-channels (11).

3. The heat exchanger according to claim 2, characterized in that two ends of at least two of the sub-flow channels (11) respectively penetrate two sides of the heat dissipation module (10), and at least two of the sub-flow channels (11) are isolated from each other inside the heat dissipation module (10).

4. The heat exchanger according to claim 2, characterized in that at least two of the sub-flow channels (11) have one end extending through one side of the heat dissipation module (10) and the other end communicating with each other inside the heat dissipation module (10).

5. The heat exchanger according to claim 4, characterized in that a communication cavity (12) is provided in the heat dissipation module (10), at least two of the sub-flow channels (11) are communicated through the communication cavity (12), a cover plate (13) is provided on an outer side of the heat dissipation module (10) having the communication cavity (12), a wall surface of the communication cavity (12) facing the cover plate (13) is a first surface (151), and the cover plate (13) covers an orthographic projection of the first surface (151) on a side of the heat dissipation module (10) facing the cover plate (13).

6. The heat exchanger according to claim 1, characterized in that the heat dissipating module (10) is square.

7. The heat exchanger according to claim 1, characterized in that two ends of at least two of the sub-flow channels (11) respectively penetrate two side faces of the heat dissipation module (10), and at least two of the sub-flow channels (11) are isolated from each other inside the heat dissipation module (10) to form a first heat dissipation module (14); or the like, or a combination thereof,

one end of each of the two sub-flow passages (11) penetrates through one side of the heat dissipation module (10), and the other ends of the two sub-flow passages are communicated with each other in the heat dissipation module (10) to form a second heat dissipation module (15); or

Four sub-runners (11) are arranged inside the heat dissipation module (10), each sub-runner (11) penetrates through two side faces of the heat dissipation module (10), and each sub-runner (11) is mutually separated inside the heat dissipation module (10) to form a third heat dissipation module (16);

three sub-runners (11) are arranged in the heat dissipation module (10), wherein one sub-runner (11) penetrates through two side faces of the heat dissipation module (10), and the other two sub-runners (11) are mutually isolated and respectively penetrate through two side faces of the heat dissipation module (10) to form a fourth heat dissipation module (106);

one or any combination of a plurality of the first heat dissipation module (14), the second heat dissipation module (15), the third heat dissipation module (16) and the fourth heat dissipation module (106) is used for forming the heat dissipation body.

8. The heat exchanger according to claim 1, wherein a connecting member (17) is provided between two adjacent heat dissipation modules (10), and the two adjacent heat dissipation modules (10) are connected by the connecting member (17).

9. The heat exchanger according to claim 1, characterized in that the outer side of the heat dissipating modules (10) is provided with protrusions (19), the outer side of the adjacent heat dissipating module (10) is provided with grooves (18), and the protrusions (19) and the grooves (18) are mutually matched to enable the plurality of heat dissipating modules (10) to be connected in a plug-in manner.

10. The heat exchanger according to claim 1, wherein an inlet pipe (22) and an outlet pipe (24) are arranged on the heat radiating body, the inlet pipe (22) is communicated with the inlet (21), the outlet pipe (24) is communicated with the outlet (23), and the flow areas of the inlet pipe (22) and the outlet pipe (24) are smaller than the flow area of the sub-flow passage (11).

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