TWI400420B - Spiral heat exchanger - Google Patents

Description

Spiral heat exchanger

The present invention relates to a heat exchanger, in particular to a heat exchange between spiral groups to effectively increase the heat exchange flow path, and to use a rotating centrifugal force to guide the flow field of the cold and hot fluid to the heat exchanger without using Fans and fins used in conventional fan fin cooling modules have spiral heat exchangers that eliminate fan noise and prevent heat sink fins from being dirty.

With the advancement of electronic information technology, the use of electronic devices (such as computers, notebook computers, communication chassis, home appliances, industrial electronic devices, etc.) is becoming more popular and widely used; however, when electronic devices are operating at high speeds The electronic components therein generate waste heat. If the waste heat is not discharged out of the electronic equipment in time, it is easy to accumulate the waste heat in the electronic equipment, so that the temperature of the electronic components inside and inside the electronic device continuously rises, thereby causing the electronic components. Due to overheating, failure, damage, or reduced operational efficiency, heat sinks and heat exchangers are used for heat dissipation and heat removal.

A heat exchanger is a device that is capable of transferring thermal energy from one space to another. The heat transfer process is generally divided into three modes, namely conduction, convection and radiation. The heat transfer of general heat exchangers often exists in three ways, but depending on the occasion, it is often dominated by one of the methods, and the heat used in the industry. The heat transfer of the exchanger is mainly from the heat sink area through the conduction or heat transfer tube to transfer heat energy to the cold fin area, both heat convection heat transfer and heat transfer heat transfer, which is the basic theory of heat transfer heat exchanger.

The heat exchanger basically removes the heat of high-temperature liquid or gas through the medium, and the most easily obtained is water and air. Therefore, most of the two media are used. When air is used, the medium is cooled by air. A cold heat exchanger of the type, and a general plate heat exchanger, as shown in Fig. 1, is mainly provided with an inlet 11 and an outlet 12 in the heat exchanger 1, and a plurality of partitions in the heat exchanger 1 The plate 13 and the flow passages 14 are provided between the two partitions 13 for the liquid (such as cold coal, water, air, etc.) to enter through the inlet 11 , and the fluid has been distributed by the flow passage 14 in the heat exchanger 1 And flowing out through the outlet 12, thereby achieving the efficiency of temperature distribution and temperature exchange.

However, although the heat exchanger 1 can diffuse the fluid in the flow channel 14, when the fluid is diffused and distributed, the pressure is easily dispersed by the flow channel 14, resulting in uneven fluid distribution, and the heat exchanger 1 performs heat exchange. The area is limited and only a plurality of unidirectional flow channels 14 are set up, which results in an overall poor heat exchange efficiency and heat transfer effect, and the relative heat dissipation effect is less than ideal. Another type of conventional air heat exchanger uses a fan and a heat sink fin module to increase the heat transfer area by the fin module, and the convection field provided by the fan is transmitted through the heat flux of the fin module. The heat exchange is performed; therefore, the noise generated by the rotation of the fan blades and the dirt generated by the fin modules after long-term use cannot be avoided.

As described above, the prior art has the following disadvantages:

1. The length of the heat exchange channel is limited, resulting in poor heat transfer effect;

2. Uneven distribution causes poor heat transfer;

3. The heat exchange efficiency is not good;

4. The heat dissipation effect is not good;

5. The fan blade rotates to generate noise;

6. The fin module is dirty after long-term use.

The reason is that, in view of the shortcomings derived from the above-mentioned products, the inventor of this case exhausted his mind, engaged in the industry's many years of experience, researched and innovated and improved, and finally successfully completed the "spiral heat exchanger" case. It is actually an invention with enhanced efficacy.

Accordingly, in order to solve the above-mentioned shortcomings of the prior art, the main object of the present invention is to provide a spiral heat exchanger with a spiral group for improving heat transfer capability and lengthening a heat exchange flow path, and using the centrifugal force to guide cold and heat. The flow field of the fluid in the heat exchanger can eliminate the problem of fan noise and heat sink fins generated by the fan and fin of the conventional fan fin heat dissipation module.

A secondary object of the present invention is to provide a driving unit for driving rotation, and under the action of centrifugal force, each of the hot and cold gases is disposed along various types of heat transfer enhancement surfaces (such as surface ribs, dimples, A spiral group of pin-fins, Helical wire, Twisted tape, etc., which flows from the inside to the outside to heat-transfer the spiral heat exchanger by utilizing hot and cold gas for heat exchange.

A secondary object of the present invention is to provide a spiral heat exchanger in which hot and cold gases pass through a spiral group and heat exchange is generated via a spiral group.

A secondary object of the present invention is to provide a spiral heat exchanger that utilizes a first spoiler unit and a second spoiler unit to generate a vortex of hot and cold gas to effectively increase the heat exchange efficiency of the hot and cold gas in the spiral group.

A secondary object of the present invention is to provide a spiral heat exchanger that utilizes a first spoiler unit and a second spoiler unit to isolate dust entrained by hot and cold gases.

In order to achieve the above object, the present invention provides a spiral heat exchanger, which mainly includes a first cover body, a second cover body, a spiral group and a driving unit, and the first cover body has at least one a first inlet, at least one first outlet, and at least one first spoiler unit, the first inlet is disposed at a central position of the first cover, and the first outlet is transparent to the first cover The second cover system is opposite to the first cover body and defines a chamber between the first cover body, and the second cover body has at least one second inlet, at least one a second outlet and at least one second spoiler unit, the second inlet is disposed at a central position of the second cover, and the second outlet is disposed at a position outside the second cover; a spiral assembly is disposed in the chamber, and the spiral assembly includes a first spiral body and a second spiral body, the first spiral body extending radially from the first inlet toward the outside of the first inlet to the first At the exit position, and forming a first flow path to connect the first An inlet and a first outlet, and the second spiral extends radially outward from the second inlet toward the outer side of the second inlet to the second outlet position and forms a second flow passage connecting the second inlet and the second inlet a second outlet, the first flow passage is adjacent to the second flow passage; and the drive unit has a shaft, the shaft is connected with a connecting member, and the driving unit is coupled to the first cover and the first through the connecting member One of the two covers is configured to drive the first cover and the second cover to rotate together, and the first airflow and the second airflow around the spiral heat exchanger can enter the first spiral and the second through the rotation Heat exchange is performed in the spiral heat exchanger at the same time, and the first air flow and the second air flow can generate eddy current through the first spoiler unit and the second spoiler unit, thereby greatly improving the spiral heat The heat transfer capability of the exchange and the lengthening of the heat exchange flow path, and at the same time, the effect of heat exchange efficiency can be effectively improved.

The above object of the present invention, as well as its structural and functional features, will be described in accordance with the preferred embodiments of the drawings.

Referring to FIGS. 2A, 2B to 5, the present invention is a spiral heat exchanger. In a preferred embodiment of the present invention, a first cover 3, a second cover 4, and a spiral are included. The first cover 3 has at least one first inlet 31, at least one first outlet 32 and a first inner surface 33, and the first inlet 31 is transparent to the first The first outlet 32 of the cover body 3 is disposed at a position outside the first cover body 3, and the second cover body 4 is coupled to the first cover body 3, and the first cover body 3 defines a chamber 34, and the second cover 4 has at least one second inlet 41, at least one second outlet 42 and a second inner surface 43. The second inlet 41 is transparently disposed in the second cover. At the central position of the body 4, the second outlet 42 is disposed at a position outside the second cover 4, and the first inner surface 33 of the first cover 3 corresponds to the second cover 4, and the second The second inner surface 43 of the cover 4 corresponds to the first cover 3; the spiral set 5 is disposed in the chamber 34, and the spiral set 5 can be combined with the first cover 3 and the second cover 4. Separate settings, can also be extended One of the first cover body 3 or the second cover body 4 is disposed separately from each other in the embodiment, and the spiral group 5 includes a first spiral body 51 and a second spiral body 52. The first spiral body 51 extends from the first inlet 31 to a position radially extending from the outer side of the first inlet 31 to the first outlet 32, and forms a first flow path 511 communicating with the first inlet 31 and the first outlet 32. And the second spiral body 52 extends from the second inlet 41 to a position radially extending outward from the outer side of the second inlet 41 to the second outlet 42 and forms a second flow passage 521 that communicates with the second inlet 41 and the second outlet. 42. The first spiral 511 is interposed between the first spiral body 52 and the outer side of the first spiral body 51. Radially adjacent to the second flow path 521, wherein the first spiral body 51 and the second spiral body 52 can be provided with surface ribs, dimples, pin-fins, and spirals ( One of various types of heat transfer enhancement devices, such as Helical wire) and Twisted tape, and in the present embodiment, a plane is used as an embodiment; the drive unit 6 has a shaft 61, which One end of the shaft 61 is connected with a connecting member 62, and is connected to the first cover 3 and the second cover 4 via the connecting member 62, and the connecting member 62 has at least one through hole 621 communicating with the first portion. One of the inlet 31 and the second inlet 41 (as the connecting member 62 is connected to the first cover 3 or the second cover 4).

Further, the spiral group 5 includes the first spiral body 51 and the second spiral body 52, wherein the first spiral body 51 is formed from a side of the first cover body 3 opposite to the second cover body 4, and the second spiral body 52 is formed. Formed from a side of the second cover 4 opposite to the first cover 3 (as shown in FIG. 2B, the first cover 3 in the drawing is a perspective view), which is the first in this embodiment. The spiral body 51 and the first cover body 3 are embodiments in which the second spiral body 52 and the second cover body 4 are separated from each other.

Referring to FIGS. 2A, 2B, 6A, and 6B, in the present embodiment, the shaft 61 of the driving unit 6 is coupled to the first cover 3 via the connecting member 62, and the plurality of the connecting members 62 are perforated. The 621 is connected to the first inlet 31, so that when the driving unit 6 is in operation, the driving unit 6 drives the shaft 61 and the connecting member 62 to rotate, and when the shaft 61 and the connecting member 62 rotate, simultaneously drives the shaft 61 The first cover 3 and the second cover 4 combined with the first cover 3 are rotated. At this time, the first airflow 71 of the first environment around the spiral heat exchanger 2 is rotated by the centrifugal force. Entering through the through hole 621 of the connecting member 62 and simultaneously entering the first spiral body 51 through the first inlet 31 of the first cover body 3 and flowing through the first flow path 511, and the second air flow in the surrounding second environment The second inlet 41 of the second cover 4 enters the second spiral 52 and flows through the second flow path 521, and the first environment and the second environment are respectively a cold environment and a thermal environment in the embodiment. Therefore, the first airflow 71 and the second airflow 72 are respectively a cold airflow and a hot airflow; and when the driving unit 6 continues to operate, the first airflow 71 and the second airflow 72 continue to enter the first through the centrifugal force. The spiral body 51 and the first flow path 511 and the second spiral body 52 and the second flow path 521, and the first air flow 71 and the second air flow 72 are along the first spiral body 51 and the first flow path 511 and the second spiral body 52 and the second The flow passage 521 flows outward from the center, and during the flow, the first airflow 71 and the second airflow 72 in the spiral group 5 are outwardly swung from the center of the spiral along the spiral groove group 5 by the centrifugal force generated by the rotation. , the flow field in the first spiral groove 51 and the second spiral groove 52 is established, and the temperatures of the first air flow 71 and the second air flow 72 are simultaneously via the first spiral 51 and the second spiral 52 and the first flow path adjacent to each other 511 exchanges heat with the second flow path 521, and after the heat exchange An air flow 71 and a second air flow 72 respectively flow out through the first outlet 32 of the first cover 3 and the second outlet 42 of the second cover 4, and therefore, a spiral path through the first spiral 51 and the second spiral 52 thereof The design can further lengthen the heat exchange flow path, so that the heat exchange between the cold and hot fluids can be performed without using the conventional fan and the heat sink fin module, and the heat exchange area and the heat transfer capacity can be effectively increased. efficacy.

Please also refer to the preferred embodiments of the present invention, which are substantially the same as the previous preferred embodiment, and are not described herein again. The first inner surface 33 of the first cover 3 corresponds to the second cover 4 and the spiral set 5, and the first inner surface 33 corresponds to the first spiral 51 and the first flow path 511 and the second spiral 52 and the second flow channel 521 have a plurality of first spoiler units The second inner surface 43 of the second cover 4 corresponds to the first cover 3 and the spiral set 5, and the second inner surface 43 corresponds to the first spiral 51 and the first flow path 511 and the second The spiral body 52 and the second flow channel 521 have a plurality of second spoiler units 431, and the first air flow 71 and the second air flow 72 enter the first spiral body 51 and the first flow path 511 via the first inlet 31 and the second inlet 41, respectively. And the second spiral body 52 and the second flow path 521, and respectively flow from the center to the first outlet 32 and the second outlet 42 along the first spiral body 51 and the second spiral body 52, respectively, the first air flow 71 and the first The two air flows 72 respectively flow through the first spoiler unit 331 and the second spoiler unit 431, and generate a eddy current having a reverse rotation direction via the first spoiler unit 331 and the second spoiler unit 431, and therefore, the first The airflow 71 and the second airflow 72 are affected by the eddy current to enhance the mixing of the airflow to effectively increase the heat exchange efficiency between the first airflow 71 and the second airflow 72 in the first spiral 51 and the second spiral 52, thereby improving heat transfer. Capability, and at the same time, can be separated from the second spoiler unit 431 via its first spoiler unit 331 The first airflow 71 and the second airflow 72 are respectively entrained in the first spiral body 51 and the second spiral body 52; as shown in FIG. 10, wherein the first cover body 3 and the second cover body 4 respectively have phases Corresponding plurality of fixing holes 35, 44, the corresponding fixing holes 35, 44 are respectively penetrated by a fixing member 8 to combine the first cover body 3 and the second cover body 4 to make the spiral heat exchange thereof When the device 2 (see FIG. 2) is rotated, the relative positions of the first cover 3, the second cover 4, and the spiral group 5 can be effectively stabilized.

In summary, the present invention is a spiral heat exchanger having the following advantages: 1. lengthening the heat exchange flow path to effectively increase the heat exchange area; 2. uniformly distributing the air flow to increase the heat exchange effect; 3. passing the eddy current Produced to improve heat exchange efficiency; 4. Effectively isolate dust; 5. No need to use a fan to avoid the noise generated by the rotation of the fan blade; 6. It is not necessary to use the heat sink fin group to avoid the problem of dirt generated by the fin group; 7. The eddy current field in the rotating spiral group has the ability to self-clean.

It is to be understood that the above-described methods, shapes, configurations, and devices of the present invention are intended to be included within the scope of the present invention.

2‧‧‧ spiral heat exchanger

3‧‧‧First cover

31‧‧‧ first import

32‧‧‧First exit

33‧‧‧ first inside

331‧‧‧First spoiler unit

34‧‧‧ chamber

35‧‧‧Fixed holes

4‧‧‧Second cover

41‧‧‧second import

42‧‧‧second exit

43‧‧‧Second inside

431‧‧‧Second spoiler unit

44‧‧‧Fixed holes

5‧‧‧Spiral group

51‧‧‧First spiral

511‧‧‧First runner

52‧‧‧Secondary

521‧‧‧Second runner

6‧‧‧Drive unit

61‧‧‧ shaft

62‧‧‧Connecting parts

621‧‧‧Perforation

71‧‧‧First airflow

72‧‧‧second airflow

8‧‧‧Fixed parts

1 is a schematic view of a heat exchanger according to a preferred embodiment of the present invention; FIG. 2B is a perspective exploded view of a preferred embodiment of the present invention; FIG. 2B is a perspective exploded view of a preferred embodiment of the present invention; 3 is a perspective view of a preferred embodiment of the present invention; FIG. 5 is a schematic cross-sectional view of a preferred embodiment of the present invention; and FIG. 6A is a schematic view of a preferred embodiment of the present invention A flow diagram of a flow of air; FIG. 6B is a schematic view of a flow of a second airflow according to a preferred embodiment of the present invention; FIG. 7 is a perspective exploded view of another preferred embodiment of the present invention; and FIG. 8 is another preferred embodiment of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 9 is a schematic view showing a flow of a gas flow according to another preferred embodiment of the present invention; and FIG. 10 is a schematic view showing the implementation of another preferred embodiment of the present invention.

2. . . Spiral heat exchanger

3. . . First cover

31. . . First import

32. . . First exit

34. . . Chamber

4. . . Second cover

41. . . Second import

42. . . Second exit

43. . . Second inner surface

5. . . Spiral group

51. . . First spiral

511. . . First runner

52. . . Second spiral

521. . . Second flow path

6. . . Drive unit

61. . . Shaft

62. . . Connector

621. . . perforation

Claims (13)

A spiral heat exchanger comprising: a first cover having at least one first inlet and at least one first outlet, the first inlet being transparently disposed at a central position of the first cover, and the first outlet is Transmissively disposed at a position outside the first cover; a second cover oppositely coupled to the first cover and defining a cavity between the first cover and the second cover, and the second cover Having at least one second inlet and at least one second outlet, the second inlet is disposed at a central position of the second cover, and the second outlet is transparently disposed at an outer position of the second cover; And a first spiral body and a second spiral body, the first spiral body extends radially from the first inlet toward the first outlet opposite to the first inlet, and forms a The first flow passage communicates with the first inlet and the first outlet, and the second spiral extends from the second inlet toward the second outlet opposite to the second inlet and forms a second flow passage to communicate with the second The inlet and the second outlet, the first flow channel is radially adjacent a second flow path, and the first cover body has a first inner facing second cover body, and the first inner facing body should have a first spiral body and the second spiral body has a plurality of first spoiler units, The first spoiler unit is radially disposed along the first spiral body and the second spiral body, and the two ends are in contact with the first spiral body and the second spiral body, so that the fluid generates eddy currents having opposite directions of rotation; and a driving The unit has a shaft, and the shaft is connected with a connecting member, and is connected to the first cover and the second cover via the connecting member to drive the first The cover and the second cover rotate together. The spiral heat exchanger of claim 1, wherein the second inner facing body has a plurality of second spoiler units at the first spiral body and the second spiral body. The spiral heat exchanger of claim 1, wherein the connecting member has at least one perforation communicating with any of the first inlet and the second inlet. The spiral heat exchanger according to claim 1, wherein the first cover integrally extends with the aforementioned spiral group. The spiral heat exchanger according to claim 1, wherein the second cover integrally extends with the aforementioned spiral group. The spiral heat exchanger according to claim 1, wherein the first cover and the second cover respectively have corresponding plurality of fixing holes. The spiral heat exchanger according to claim 6, wherein the corresponding fixing holes are respectively penetrated by a fixing member to combine the first cover and the second cover. The spiral heat exchanger according to claim 1, wherein the first spiral body has a first air flow, and the second spiral body has a second air flow. The spiral heat exchanger of claim 8, wherein the first air flow is any one of a cold air flow and a hot air flow, and the second air flow is the other of the hot air flow and the cold air flow. The spiral heat exchanger according to claim 2, wherein the first spiral body and the second spiral body are provided with surface ribs, dimples, pin-fins, and spirals. (Helical wire) and twisting One of various types of heat transfer enhancement devices such as Twisted tape. The spiral heat exchanger according to claim 1, wherein the first spiral body is formed to extend from a side of the first cover body opposite to the second cover body. The spiral heat exchanger according to claim 11, wherein the second spiral body is formed to extend from a side of the second cover opposite to the first cover. The spiral heat exchanger according to claim 1, wherein the first flow passage is radially adjacent to the second flow passage via the second spiral body and the outer side of the first flow passage.