CN214250195U

CN214250195U - Refrigeration module

Info

Publication number: CN214250195U
Application number: CN202120094266.2U
Authority: CN
Inventors: 周永琢; 陈秀娟; 毛鹏; 杜国楹
Original assignee: Beijing Xiao Guan Tea Co ltd
Current assignee: Beijing Xiao Guan Tea Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-09-21
Anticipated expiration: 2031-01-14

Abstract

The utility model provides a refrigeration module, include: the curling pipe structure is provided with a pressing block and a curling pipeline positioned in the pressing block, and two ends of the curling pipeline extend out of the pressing block; the refrigeration structure is arranged around the periphery of the spiral pipe structure and used for refrigerating the spiral pipe; and the heat dissipation structure is connected with the refrigeration structure and used for dissipating the heat of the refrigeration structure to the outside of the refrigeration module. The utility model discloses a refrigeration module can refrigerate the heat dissipation to the medium in the pipeline, and has the advantage of small in size.

Description

Refrigeration module

Technical Field

The utility model relates to a refrigeration heat dissipation technical field especially relates to a refrigeration module.

Background

At present, the electronic refrigerating sheet, namely the semiconductor refrigerating sheet, is generally applied to the fields of portable refrigerating boxes, small-sized air conditioners and electronic device heat dissipation. The electronic refrigerating sheet is mainly applied to occasions with limited space, high reliability requirement and no refrigerant pollution.

The electronic refrigeration piece is usually a sheet-shaped body, and the outer surface of the electronic refrigeration piece is a ceramic piece, so that the electronic refrigeration piece is difficult to install when being applied to refrigeration of a pipeline, and the ceramic piece is often damaged due to insufficient hardness, so that the refrigeration effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a refrigeration module can refrigerate the heat dissipation to the medium in the pipeline, and has the advantage of small in size.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a refrigeration module, refrigeration module includes:

the curling pipe structure is provided with a pressing block and a curling pipeline positioned in the pressing block, and two ends of the curling pipeline extend out of the pressing block;

the refrigeration structure is arranged around the periphery of the spiral pipe structure and used for refrigerating the spiral pipe;

and the heat dissipation structure is connected with the refrigeration structure and used for dissipating the heat of the refrigeration structure to the outside of the refrigeration module.

The utility model discloses an in the embodiment, heat radiation structure includes the fin radiating piece, and it has base and a plurality of fin, and is a plurality of the fin interval is connected on the base, the base with refrigeration structure contacts.

In an embodiment of the present invention, the heat dissipation structure further includes a fan, and the fan is connected to a plurality of fins of the fin heat dissipation member.

The utility model discloses an in the embodiment, the cover is equipped with the dustcoat on the fin radiating piece, be equipped with the trompil on the dustcoat, fan fixed connection be in on the dustcoat and with the trompil is relative.

In an embodiment of the present invention, the outer surface of the pressed block is provided with a receiving portion in which the refrigeration structure can be installed.

The utility model discloses an in the embodiment, the accommodating part includes at least one recess, refrigeration structure includes a plurality of electronic type refrigeration pieces, each be equipped with one in the recess respectively the electronic type refrigeration piece.

The utility model discloses an in the embodiment, two terminal surfaces of the relative setting of briquetting are equipped with a recess respectively, refrigeration structure includes two electronic type refrigeration pieces, two the electronic type refrigeration piece sets up respectively the relative both sides of briquetting.

The utility model discloses an in the embodiment electronic type refrigeration piece with be equipped with heat conduction silicone grease layer between the diapire of recess.

The utility model discloses an in the embodiment refrigeration structure with be equipped with heat conduction silica gel piece between the heat radiation structure.

The utility model discloses an in the embodiment, the pipe of curling is the copper pipe, the material of briquetting is the aluminum alloy, the structure of curling is by copper pipe and after the melting the aluminum alloy is formed at the internal pressure of casting mould.

The utility model discloses a characteristics and advantage are: the refrigeration module can achieve the purpose of rapidly cooling the medium in the pipeline in a short time, and meanwhile, the refrigeration module also has the advantage of small size.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of the refrigeration module of the present invention.

Fig. 2 is a cross-sectional view of the refrigeration module of the present invention.

Fig. 3 is a perspective view of the coiled pipe structure of the present invention.

Fig. 4 is a schematic structural diagram of the fin heat sink of the present invention.

Fig. 5 is a schematic structural view of the outer cover covering the fin heat sink according to the present invention.

Fig. 6 is the cooling curve of the cooling module with no load.

Fig. 7 is the utility model discloses a cooling curve graph of refrigeration module load.

Reference numerals and description:

1. a coiled pipe structure; 11. a water inlet end; 12. a water outlet end; 13. pressing blocks; 14. a convoluted conduit; 15. a groove; 2. a refrigeration structure; 3. a heat dissipation structure; 31. a fin heat sink; 311. a base; 3111. mounting holes; 312. a fin; 313. mounting holes; 314. a screw; 315. a housing; 3151. opening a hole; 3152. mounting holes; 3153. screw holes; 3154. a space; 32. a fan; 321. a screw; 4. a heat-conducting silica gel sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the utility model provides a refrigeration module, this refrigeration module includes coiled pipe structure 1, refrigeration structure 2 and heat radiation structure 3. Wherein: the coiling pipe structure 1 is provided with a pressing block 13 and a coiling pipeline 14 positioned in the pressing block 13, and two ends of the coiling pipeline 14 extend out of the pressing block 13; the refrigeration structure 2 is arranged around the periphery of the spiral pipe structure 1 and used for refrigerating the spiral pipeline 14; the heat dissipation structure 3 is connected to the refrigeration structure 2 and is configured to dissipate heat of the refrigeration structure 2 to the outside of the refrigeration module.

The utility model discloses a refrigeration module can reach the purpose of the medium in the short-time quick cooling pipeline, and simultaneously, this refrigeration module still has the advantage of volume miniaturization.

Specifically, the coiling pipe structure 1 is a die casting formed by a pressing block 13 and a coiling pipeline 14, wherein the coiling pipeline 14 can be a copper pipe, the pressing block 13 is made of aluminum alloy material, and the shape of the coiling pipe structure is a regular cuboid. The copper pipe coiling is embedded in the pressing block 13, the copper pipe is placed in the casting mold in advance when molten aluminum alloy is filled into the casting mold, and the copper pipe and the aluminum alloy are crystallized and solidified together under high pressure to form the coiling pipe structure 1. In the utility model, the winding pipeline 14 is a water passing pipeline, and the water inlet end 11 and the water outlet end 12 of the winding pipeline respectively extend out of the side wall of the pressing block 13 so as to be connected with an external pipeline; the length of the serpentine pipe 14 determines the stroke of water cooling, and the cooling time of the injected water in the refrigeration module can be adjusted by adjusting the length of the serpentine pipe 14 and the flow rate of the water therein. Of course, in other embodiments, the convoluted duct 14 may be a vent pipe, and is not limited herein.

According to an embodiment of the present invention, the outer surface of the compact 13 is provided with a receiving portion in which the refrigeration structure 2 can be mounted. In this embodiment, please refer to fig. 3, the accommodating portion includes at least one groove 15, the refrigeration structure 2 includes a plurality of electronic refrigeration sheets, and each groove 15 is provided with one electronic refrigeration sheet.

In one embodiment, a recess 15 is provided in one of the surfaces of the compact 13, and an electronic refrigeration plate is disposed within the recess 15.

In another embodiment, a groove 15 is respectively formed on the opposite upper end surface and the lower end surface of the pressing block 13, the refrigeration structure 2 comprises two electronic refrigeration sheets, and one electronic refrigeration sheet is respectively arranged in the two grooves 15 so as to refrigerate the coiled pipe structure 1.

Of course, the utility model discloses not use this as the limit, still can all be equipped with recess 15 at the whole surface of coiled bent pipe structure 1, for example still can be around coiled bent pipe structure 1 terminal surface and/or control terminal surface etc. respectively be equipped with an electronic type refrigeration piece in every recess 15, realize carrying out refrigerated purpose to coiled bent pipe structure 1 from the multi-angle, improve cooling efficiency.

The electronic refrigeration piece, namely the semiconductor refrigeration piece, adopts the Peltier effect to refrigerate, and the refrigeration capacity specification of each semiconductor refrigeration piece can be selected according to the water quantity or the gas quantity introduced into the coiling pipeline 14. In the utility model, the external dimension of the electronic refrigeration piece is matched with the dimension of the groove 15; a heat-conducting silicone grease layer is coated between the cold end of the electronic refrigeration piece and the contact surface of the groove 15, so that on one hand, a shockproof effect is achieved, the ceramic outer surface of the electronic refrigeration piece is prevented from being damaged by hard contact with the groove 15 of the coiled pipe structure 1, and on the other hand, the electronic refrigeration piece plays a role in sealing and heat transfer media, and cold of the electronic refrigeration piece is seamlessly transferred to the coiled pipe structure 1; furthermore, a heat-conducting silica gel sheet 4 is arranged at the hot end close to the electronic refrigeration sheet, the heat-conducting silica gel sheet 4 is a sheet-shaped body, the external dimension of the electronic refrigerating sheet is matched with the dimension of the groove 15, the electronic refrigerating sheet is used for leading out heat released from the hot end when the electronic refrigerating sheet works in time, one surface of the heat-conducting silica gel sheet 4 is tightly attached to the hot end surface of the electronic refrigerating sheet, the other surface is tightly attached to the heat dissipation structure 3, this heat conduction silica gel piece 4 has certain compressive capacity, heat radiation structure 3 tightly presses heat conduction silica gel piece 4 on the hot terminal surface of electronic type refrigeration piece, on the one hand, heat conduction silica gel piece 4 possesses elasticity, can the shock attenuation sealed, prevent that heat radiation structure 3 from bumping hard contact with the ceramic surface of electronic type refrigeration piece and causing the device damage, on the other hand, heat conduction silica gel piece 4 plays sealed, the heat conduction effect, make the heat in the hot junction of electronic type refrigeration piece concentrate on heat conduction silica gel piece 4 and conduct to heat radiation structure 3 effluvium.

The heat dissipation structure 3 is tightly attached to the heat-conducting silica gel sheet 4 and used for timely conducting heat out of the heat-conducting silica gel sheet 4. The utility model discloses in, a heat radiation structure 3 is installed respectively in the refrigeration structure 2's that is located the last section of coiled pipe structure 1 and terminal surface down the outside.

In a possible embodiment of the present invention, the heat dissipation structure 3 includes a fin heat dissipation member 31, as shown in fig. 4 and fig. 5, the fin heat dissipation member 31 has a base 311 and a plurality of fins 312, the plurality of fins 312 are connected to the base 311 at intervals, the base 311 contacts with the refrigeration structure 2, that is, the base 311 contacts with the hot end surface of the electronic refrigeration sheet.

Specifically, the fins 312 and the base 311 are an integral structure, and the fins 312 are a plurality of rectangular sheet-shaped structures arranged in parallel and are located on one side of the base 311. The other side of the base 311 is mounted pressed against the heat-conducting silicone sheet 4. The size of this base 311 and the terminal surface size phase-match of convoluted tubular construction 1, the bight of base 311 is equipped with mounting hole 3111, and this base 311 accessible screw 314 wears to establish in mounting hole 3111 and fixed mounting is in the terminal surface of convoluted tubular construction 1 to the realization is with the purpose of refrigeration structure 2 and heat conduction silica gel piece 4 seal in the recess 15 of convoluted tubular construction 1.

Further, the heat dissipation structure further includes a fan 32, and the fan 32 is connected to the plurality of fins 312 of the fin heat sink 31. In the present embodiment, an outer cover 315 is covered outside the plurality of fins 312, as shown in fig. 5, the outer cover 315 is an aluminum plate structure bent in a shape like a Chinese character ji, a space 3154 for accommodating the plurality of fins 312 is formed in the middle of the outer cover 315, and mounting holes 3152 are respectively formed at each end corner of the outer cover 315, so that the outer cover 315 and the fin heat sink 31 are jointly fixed to the end surface of the serpentine structure 1 by screws 314 penetrating the mounting holes 3152 of the outer cover 315 and the mounting holes 3111 of the base 311.

Furthermore, the outer cover 315 is provided with an opening 3151 facing the plurality of fins 312, and the fan 32 is fixedly connected to the screw holes 3153 of the outer cover 315 through screws 321 positioned at the corners of the fan and is opposite to the opening 3151 of the outer cover 315, so as to blow off heat emitted by the plurality of fins 312 in time. In this embodiment, the top plane of the housing 315 is not less than 10mm perpendicular to the top of the fins 312.

In order to ensure that the medium in the external pipeline is rapidly cooled, such as liquid or gas, the refrigeration module needs to be precooled first and then cooled, that is, the refrigeration module is precooled for 10min first and then liquid or gas is injected. In an embodiment of the present invention, when cooling liquid is passed through the refrigeration module, on the premise of precooling the refrigeration module for 10min, the single-chip refrigerating capacity of the electronic refrigeration sheet is greater than 200w, the flow rate range of the injected liquid is 3 ml/s-5 ml/s, and the flow time range in the coil pipe 14 is 8 s-13 s, so that the injected liquid can be reduced to 2-8 ℃ from 25 ℃. The refrigeration module can realize rapid cooling.

In order to more clearly reflect the refrigeration effect of the refrigeration module, the following description is given by a graph analysis of two sets of refrigeration modules:

the cooling module no-load cooling curve is given as figure 6. The temperature measuring points are the ambient temperature and the water outlet temperature. As can be seen from fig. 6, the temperature in the serpentine pipeline 14 of the refrigeration module is significantly reduced with the passage of time, and when the data acquisition time is 505s, i.e., the refrigeration module is cooled for 8 minutes, the temperature of the water outlet is reduced from 25 ℃ at room temperature to a stable state, and is kept fluctuating within the range of 1.2 ℃ to 3.8 ℃. At the moment, the refrigerating module reaches the target precooling temperature and meets the requirement of precooling the machine within 10 min.

Figure 7 shows a cooling down diagram for the refrigeration module load. The temperature measuring points are a water inlet end 11 and a water outlet end 12 of the refrigeration module. After the refrigeration modules are cooled in an idle load mode, load inflow refrigeration is carried out, the flow rate of injected water is 5ml/s, when the external pipeline is provided with two refrigeration modules in parallel, each refrigeration module adopts two electronic refrigeration pieces, the cold production capacity of each electronic refrigeration piece is 268w, the stroke of the injected water in the coiling pipeline 14 is designed to be 13s, namely the cooling time is 13 s. As can be seen from FIG. 7, comparing the water outlet temperature and the water inlet temperature of the convoluted duct 14, the temperature of the water outlet was decreased from 25 ℃ to about 5 ℃ under the above conditions, and the abnormal protrusion temperature point was removed, and the water outlet temperature fluctuated within the range of 5.26 to 7.95 ℃.

The above are only a few embodiments of the present invention, and those skilled in the art can make various changes or modifications to the embodiments of the present invention according to the disclosure of the application document without departing from the spirit and scope of the present invention.

Claims

1. A refrigeration module, characterized in that the refrigeration module comprises:

2. A refrigeration module as recited in claim 1 wherein said heat dissipation structure comprises a finned heat sink having a base and a plurality of fins, said plurality of fins being attached to said base at spaced intervals, said base being in contact with said refrigeration structure.

3. A refrigeration module as recited in claim 2 wherein said heat dissipation structure further comprises a fan attached to a plurality of said fins of said finned heat sink.

4. A refrigeration module as recited in claim 3 wherein said finned heat sink is sleeved with an outer cover, said outer cover having an opening therein, said fan being fixedly attached to said outer cover opposite said opening.

5. A refrigeration module as recited in claim 1 wherein the outer surface of the compact is provided with a receiving portion to which the refrigeration structure can be mounted.

6. A refrigeration module as recited in claim 5, wherein said receptacle includes at least one recess, and said refrigeration structure includes a plurality of electronic refrigeration fins, one of said electronic refrigeration fins being disposed in each of said recesses.

7. A refrigeration module as recited in claim 5 wherein each of said two oppositely disposed end surfaces of said compact defines a recess, said refrigeration structure including two electronic refrigeration pieces disposed on opposite sides of said compact.

8. A refrigeration module as recited in claim 7 wherein a layer of thermally conductive silicone is disposed between said electronic refrigeration sheet and the bottom wall of said recess.

9. A refrigeration module as recited in claim 1 wherein a thermally conductive silicone sheet is disposed between said refrigeration structure and said heat dissipation structure.

10. A refrigeration module as recited in claim 1 wherein said serpentine conduit is a copper tube, said compact is formed of an aluminum alloy, and said serpentine conduit is formed from said copper tube and said aluminum alloy after melting by compression in a casting mold.