CN219798055U - Fin flow guide heat pipe - Google Patents
Fin flow guide heat pipe Download PDFInfo
- Publication number
- CN219798055U CN219798055U CN202320905739.1U CN202320905739U CN219798055U CN 219798055 U CN219798055 U CN 219798055U CN 202320905739 U CN202320905739 U CN 202320905739U CN 219798055 U CN219798055 U CN 219798055U
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- refrigerant
- fin
- pipe
- sleeve
- spiral
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- 239000003507 refrigerant Substances 0.000 claims abstract description 140
- 230000008676 import Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a fin flow guide heat pipe which comprises a pipe body, a refrigerant sleeve, a refrigerant cavity, a refrigerant inlet connecting pipe, a refrigerant outlet connecting pipe, a spiral flow guide fin, a spiral fin, a sealing plug and a filling emptying end socket, wherein the upper end of the pipe body is provided with the refrigerant sleeve, the upper end and the lower end of the refrigerant sleeve are respectively provided with the refrigerant inlet connecting pipe and the refrigerant outlet connecting pipe, the refrigerant cavity is formed between the refrigerant sleeve and the pipe body, the spiral flow guide fin is arranged in the refrigerant cavity, the spiral fin is arranged at the lower end of the pipe body, the upper end port of the pipe body is provided with the filling emptying end socket, and the lower end port of the pipe body is provided with the sealing plug. The spiral guide fins are arranged between the refrigerant sleeve and the pipe body, so that the guide effect on the refrigerant can be achieved, the formation of dead zones in the cavity is effectively avoided, and the actual heat exchange area is increased.
Description
[ field of technology ]
The utility model relates to the technical field of fin diversion heat pipes, in particular to the technical field of fin diversion heat pipes.
[ background Art ]
When the heat pipe is used as a heat transfer element and is vertically placed, the evaporation section is arranged below, the condensation section is arranged above, and continuous phase change evaporation and condensation of working medium inside the totally-enclosed vacuum pipe are utilized to finish continuous heat transfer. The existing heat pipe is provided with a section of refrigerant sleeve pipe sealed with the pipe body outside the pipe body of the condensation section, so that a refrigerant chamber is formed between the pipe body and the refrigerant sleeve pipe, an outlet pipeline is connected to the upper part of the sleeve pipe, an inlet pipeline is connected to the bottom of the sleeve pipe, and the refrigerant flows in the refrigerant chamber through an inlet and an outlet of the refrigerant sleeve pipe to exchange heat with the steam working medium in the pipe body.
In the refrigerant chamber formed by the heat pipe body and the refrigerant sleeve, the refrigerant passes through the refrigerant chamber according to the shortest path, a dead zone exists in the flow of the refrigerant in the chamber, the heat exchange surface is not fully utilized, and the heat transfer efficiency is low. At present, the heat exchange tube is in modularized design, the tube diameter of the tube and the tube diameter of the heat exchange tube are not easy to change, and the flow speed of the refrigerant in the cavity cannot be effectively adjusted, so that the heat exchange coefficient cannot be increased by improving the flow speed, the heat exchange speed is used for guaranteeing the sufficient heat exchange effect by arranging the lengthened refrigerant tube, and the cost of the heat exchange tube is increased.
To this end, application number 202120890343.5 discloses a heat pipe comprising: the body, its characterized in that: the upper portion cover at the body is equipped with the refrigerant sleeve pipe, and refrigerant sleeve pipe's upper and lower both ends are all sealed mutually with the outer wall of body, make and form the refrigerant cavity between refrigerant sleeve pipe and the body, are provided with refrigerant import and the refrigerant export of intercommunication refrigerant cavity on refrigerant sleeve pipe's outer wall respectively, install spiral tooth fin along its length direction on the lower part outer wall of body, are provided with the sealing plug that is used for shutoff body lower nozzle at the lower extreme of body, are provided with the material filling evacuation head that can open or shutoff body upper nozzle at the upper end of body.
Although the heat pipe disclosed in application number 202120890343.5 has greatly improved heat exchange efficiency by providing spiral notched fins outside the heat pipe, the following drawbacks still exist; in the refrigerant chamber formed by the heat pipe body and the refrigerant sleeve, the refrigerant passes through the refrigerant chamber according to the shortest path, a dead zone exists in the flow of the refrigerant in the chamber, the heat exchange surface is not fully utilized, and the heat transfer efficiency is low.
Therefore, in order to solve the above-mentioned problems, it is necessary to propose a fin heat pipe.
[ utility model ]
The utility model aims to solve the problems in the prior art, and provides a fin flow guide heat pipe which can guide a refrigerant by arranging spiral flow guide fins between a refrigerant sleeve and a pipe body, thereby effectively avoiding the formation of dead zones in a cavity and increasing the actual heat exchange area.
In order to achieve the above purpose, the utility model provides a fin guide heat pipe which comprises a pipe body, a refrigerant sleeve, a refrigerant chamber, a refrigerant inlet connecting pipe, a refrigerant outlet connecting pipe, a spiral guide fin, a spiral fin, a sealing plug and a filling emptying end socket, wherein the refrigerant sleeve is arranged at the upper end of the pipe body, the refrigerant inlet connecting pipe and the refrigerant outlet connecting pipe are respectively arranged at the upper end and the lower end of the refrigerant sleeve, the refrigerant chamber is formed between the refrigerant sleeve and the pipe body, the spiral guide fin is arranged in the refrigerant chamber, the spiral fin is arranged at the lower end of the pipe body, the filling emptying end socket is arranged at the upper end port of the pipe body, and the sealing plug is arranged at the lower end port of the pipe body.
Preferably, the refrigerant sleeve is sleeved at the upper end of the pipe body, the upper port and the lower port of the refrigerant sleeve are connected with the outer wall of the pipe body, and a refrigerant chamber is formed between the inner hole of the refrigerant sleeve and the outer wall of the pipe body.
Preferably, the tube body, the refrigerant sleeve, the refrigerant chamber and the spiral guide fins are coaxial.
Preferably, the spiral guide fin is arranged between the refrigerant inlet connecting pipe and the refrigerant outlet connecting pipe.
Preferably, the refrigerant inlet connecting pipe is arranged at the right end of the refrigerant sleeve, and the refrigerant outlet connecting pipe is arranged at the left end of the refrigerant sleeve.
Preferably, the root of the spiral guide fin is welded with the outer wall of the pipe body, and the fin tip of the spiral guide fin is in negative tolerance fit with the inner hole of the refrigerant sleeve.
Preferably, the spiral fin is disposed below the refrigerant jacket.
Preferably, the spiral fin and the tube body are coaxial.
Preferably, the spiral fin is arranged on the outer wall of the tube body.
The utility model has the beneficial effects that: the spiral guide fins are arranged between the refrigerant sleeve and the pipe body, so that a guide effect can be achieved on the refrigerant, the formation of dead zones in the cavity is effectively avoided, the actual heat exchange area is increased, the refrigerant is guided by the spiral guide fins, the heat conduction and heat exchange speed in the refrigerant cavity is increased, and the heat conduction and heat exchange efficiency is improved; the spiral guide fins welded with the condensation section pipe body not only increase the heat exchange area of the refrigerant, but also effectively transfer the heat of the working medium in the pipe body and improve the heat exchange efficiency; compared with the prior art, the fin guide heat pipe can adjust the flow velocity of the refrigerant in the refrigerant chamber by changing the pitch of the spiral guide fins when in design, thereby ensuring the heat exchange efficiency; compared with the prior art, the length of the refrigerant sleeve of the fin heat conduction pipe can be set shorter, the weight is lighter, and the cost is lower.
The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a fin heat pipe of the present utility model.
[ detailed description ] of the utility model
Referring to fig. 1, the fin heat pipe of the utility model comprises a pipe body 1, a refrigerant sleeve 2, a refrigerant chamber 20, a refrigerant inlet connecting pipe 21, a refrigerant outlet connecting pipe 22, a spiral guide fin 3, a spiral fin 4, a sealing plug 5 and a charge emptying seal head 6, wherein the upper end of the pipe body 1 is provided with the refrigerant sleeve 2, the upper end and the lower end of the refrigerant sleeve 2 are respectively provided with the refrigerant inlet connecting pipe 21 and the refrigerant outlet connecting pipe 22, the refrigerant chamber 20 is formed between the refrigerant sleeve 2 and the pipe body 1, the spiral guide fin 3 is arranged in the refrigerant chamber 20, the spiral fin 4 is arranged at the lower end of the pipe body 1, the upper port of the pipe body 1 is provided with the charge emptying seal head 6, and the lower port of the pipe body 1 is provided with the sealing plug 5.
The refrigerant sleeve 2 is sleeved at the upper end of the pipe body 1, an upper port and a lower port of the refrigerant sleeve 2 are connected with the outer wall of the pipe body 1, and a refrigerant chamber 20 is formed between an inner hole of the refrigerant sleeve 2 and the outer wall of the pipe body 1.
Wherein, the tube body 1, the refrigerant sleeve 2, the refrigerant chamber 20 and the spiral guide fins 3 are coaxial.
Wherein, the spiral guide fin 3 is arranged between the refrigerant inlet connecting pipe 21 and the refrigerant outlet connecting pipe 22.
Wherein, the refrigerant inlet connecting pipe 21 is arranged at the right end of the refrigerant sleeve 2, and the refrigerant outlet connecting pipe 22 is arranged at the left end of the refrigerant sleeve 2.
The root of the spiral guide fin 3 is welded with the outer wall of the pipe body 1, and the fin tip of the spiral guide fin 3 is in negative tolerance fit with the inner hole of the refrigerant sleeve 2.
Wherein the spiral fin 4 is arranged below the refrigerant sleeve 2.
Wherein the spiral fin 4 and the tube body 1 are coaxial.
Wherein the spiral fins 4 are arranged on the outer wall of the tube body 1.
The working process of the utility model comprises the following steps:
in the working process of the fin flow guide heat pipe, a refrigerant enters the refrigerant chamber 20 through the refrigerant inlet connecting pipe 21 of the refrigerant sleeve 2, flows through the refrigerant chamber 20 through the spiral flow guide fin 3 in a set path, exchanges heat with steam working medium in the condensation section of the pipe body 1, the temperature of the refrigerant becomes high after heat exchange, flows out from the refrigerant outlet connecting pipe 22 of the refrigerant sleeve, and steam in the condensation section of the pipe body 1 is condensed into liquid again after heat exchange and flows back to the evaporation section at the lower part of the pipe body.
The spiral guide fins 3 are arranged between the refrigerant sleeve 2 and the pipe body 1, so that a guide effect can be achieved on the refrigerant, the formation of dead zones in a cavity is effectively avoided, the actual heat exchange area is increased, the refrigerant is guided by the spiral guide fins 3, the heat conduction and heat exchange speed in the refrigerant cavity 20 is increased, and the heat conduction and heat exchange efficiency is improved; the spiral guide fins 3 welded with the condensation section pipe body 1 not only increase the heat exchange area of the refrigerant, but also effectively transfer the heat of the working medium in the pipe body and improve the heat exchange efficiency; compared with the prior art, the fin guide heat pipe can adjust the flow velocity of the refrigerant in the refrigerant chamber 20 by changing the pitch of the spiral guide fins 3 during design, thereby ensuring the heat exchange efficiency; compared with the prior art, the length of the refrigerant sleeve of the fin heat conduction pipe can be set shorter, the weight is lighter, and the cost is lower.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (9)
1. The fin water conservancy diversion heat pipe, its characterized in that: including body (1), refrigerant sleeve pipe (2), refrigerant cavity (20), refrigerant import takeover (21), refrigerant export takeover (22), heliciform guide fin (3), helical fin (4), sealed end cap (5), filling matter evacuation head (6), body (1) upper end is equipped with refrigerant sleeve pipe (2), refrigerant sleeve pipe (2) upper end, the lower extreme is equipped with refrigerant import takeover (21) respectively, refrigerant export takeover (22), form refrigerant cavity (20) between refrigerant sleeve pipe (2), body (1), be equipped with heliciform guide fin (3) in refrigerant cavity (20), body (1) lower extreme is equipped with helical fin (4), body (1) upper port is equipped with filling matter evacuation head (6), body (1) lower port is equipped with sealed end cap (5).
2. The fin heat transfer tube of claim 1, wherein: the refrigerant sleeve (2) is sleeved at the upper end of the pipe body (1), the upper port and the lower port of the refrigerant sleeve (2) are connected with the outer wall of the pipe body (1), and a refrigerant chamber (20) is formed between the inner hole of the refrigerant sleeve (2) and the outer wall of the pipe body (1).
3. The fin heat transfer tube of claim 1, wherein: the tube body (1), the refrigerant sleeve (2), the refrigerant chamber (20) and the spiral guide fins (3) are coaxial.
4. The fin heat transfer tube of claim 1, wherein: the spiral guide fin (3) is arranged between the refrigerant inlet connecting pipe (21) and the refrigerant outlet connecting pipe (22).
5. The fin heat transfer tube of claim 1, wherein: the refrigerant inlet connecting pipe (21) is arranged at the right end of the refrigerant sleeve (2), and the refrigerant outlet connecting pipe (22) is arranged at the left end of the refrigerant sleeve (2).
6. The fin heat transfer tube of claim 1, wherein: the root of the spiral guide fin (3) is welded with the outer wall of the pipe body (1), and the fin tip of the spiral guide fin (3) is in negative tolerance fit with the inner hole of the refrigerant sleeve (2).
7. The fin heat transfer tube of claim 1, wherein: the spiral fin (4) is arranged below the refrigerant sleeve (2).
8. The fin heat transfer tube of claim 1, wherein: the spiral fins (4) and the tube body (1) are coaxial.
9. The fin heat transfer tube of claim 1, wherein: the spiral fins (4) are arranged on the outer wall of the tube body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320905739.1U CN219798055U (en) | 2023-04-21 | 2023-04-21 | Fin flow guide heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320905739.1U CN219798055U (en) | 2023-04-21 | 2023-04-21 | Fin flow guide heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219798055U true CN219798055U (en) | 2023-10-03 |
Family
ID=88187398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320905739.1U Active CN219798055U (en) | 2023-04-21 | 2023-04-21 | Fin flow guide heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219798055U (en) |
-
2023
- 2023-04-21 CN CN202320905739.1U patent/CN219798055U/en active Active
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