CN117767157A - Heat pipe type heat dissipation device and method for electrical equipment - Google Patents
Heat pipe type heat dissipation device and method for electrical equipment Download PDFInfo
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- CN117767157A CN117767157A CN202311830918.4A CN202311830918A CN117767157A CN 117767157 A CN117767157 A CN 117767157A CN 202311830918 A CN202311830918 A CN 202311830918A CN 117767157 A CN117767157 A CN 117767157A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 53
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 83
- 238000001704 evaporation Methods 0.000 claims description 72
- 230000008020 evaporation Effects 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 24
- 239000012153 distilled water Substances 0.000 claims description 22
- 239000003595 mist Substances 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 2
- 239000000779 smoke Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
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Abstract
The invention discloses a heat pipe type heat dissipation device and a heat pipe type heat dissipation method for electrical equipment, and relates to the technical field of heat dissipation of electrical equipment, wherein the heat pipe type heat dissipation device comprises a heat pipe assembly, a precooling assembly arranged in the middle section of the inside of the heat pipe assembly, and a cooling assembly arranged in the upper section of the heat pipe assembly, wherein cold flow is introduced into the precooling assembly by the cooling assembly to cool gaseous working media; the heat pipe assembly comprises a pipe body, a ball head integrally arranged above the pipe body, a capillary structure column fixedly arranged in the middle of the inside of the pipe body, a check ring fixedly arranged at an opening below the ball head, a liquid collecting pipe fixedly arranged at the upper end of the capillary structure column, and a liquid guide pipe penetrating through the check ring and the liquid collecting pipe; according to the invention, the capillary structure column is arranged in the middle of the inside of the pipe body, so that the wall thickness of the pipe body is small, the heat transfer efficiency of the heat inside the heat pipe to the outside air through the pipe body is higher, the heat dissipation of the heat pipe is faster, and the heat dissipation efficiency of the heat pipe type heat dissipation device to electric equipment is greatly improved.
Description
Technical Field
The invention relates to the technical field of heat dissipation of electrical equipment, in particular to a heat pipe type heat dissipation device and a heat pipe type heat dissipation method for electrical equipment.
Background
Electrical equipment is a generic term for equipment such as generators, transformers, and distribution boxes in an electrical power system. The electrical equipment is accompanied by its gradual heat generation during operation, resulting in higher temperatures. Therefore, the electric equipment needs to be timely cooled, and the problems of working faults and the like of the electric equipment in a high-temperature environment are prevented.
In patent document CN115332976a, a housing with a high-efficiency heat dissipation structure for an electrical device is disclosed, in which heat is dissipated by using a heat pipe, the heat pipe is in an evaporation section for heating the heat pipe, working liquid in a pipe core is heated and evaporated, and takes away heat, the heat is latent heat of evaporation of the working liquid, the steam flows from a central channel to a condensation section of the heat pipe, is condensed into liquid, and simultaneously releases the latent heat, and the liquid flows back to the evaporation section under the action of capillary force of the inner wall of the heat pipe. In this way, a closed cycle is completed, transferring a large amount of heat from the heating section to the heat dissipation section, thereby achieving a heat dissipation effect on the electrical equipment.
In the existing heat pipe structure, as the capillary structure is arranged on the inner wall of the heat pipe, the pipe wall is thicker, and the heat dissipation of the heat pipe is affected, so that the gaseous working medium in the heat pipe is not easy to complete heat exchange through the pipe wall of the heat pipe and the outside air; meanwhile, a process is needed for condensing the gaseous working medium at the condensing end of the heat pipe, so that the gaseous working medium inside the heat pipe cannot be liquefied in time after entering the condensing end of the heat pipe, the internal air pressure of the heat pipe is increased, and the boiling point of the liquid working medium at the evaporating end of the heat pipe is increased, so that the liquid working medium is not easy to evaporate.
The above problems all affect the heat dissipation effect of the heat pipe on the electrical equipment, and therefore we propose a heat pipe type heat dissipation device and method for the electrical equipment.
Disclosure of Invention
The invention aims to provide a heat pipe type heat dissipation device and a heat pipe type heat dissipation method for electrical equipment, which can effectively solve the problems in the background technology.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a heat pipe type heat radiator for electrical equipment, which comprises a heat pipe assembly, a precooling assembly arranged in the middle section of the interior of the heat pipe assembly and a cooling assembly arranged in the upper section of the heat pipe assembly, wherein cold flow is introduced into the precooling assembly by the cooling assembly to cool gaseous working media;
the heat pipe assembly comprises a pipe body, a ball head integrally arranged above the pipe body, a capillary structure column fixedly arranged in the middle of the inside of the pipe body, a check ring fixedly arranged at an opening below the ball head, a liquid collecting pipe fixedly arranged at the upper end of the capillary structure column, and a liquid guide pipe penetrating through the check ring and the liquid collecting pipe, wherein the thickness of the thin wall of the ball head is the same as that of the thin wall of the pipe body, the diameter of the ball head is larger than that of the pipe body, and a plurality of liquid guide pipes are uniformly arranged;
the cooling assembly comprises a flow inlet pipe, a collecting pipe, an evaporating pipe, an exhaust pipe, a fan and an atomizing sheet, wherein the flow inlet pipe is fixedly arranged on the side face of a pipe body, the flow inlet pipe is used for introducing cold flow into the precooling assembly, the collecting pipe is fixedly arranged on the side face of the pipe body, the atomizing sheet is fixedly arranged at one end of the collecting pipe, the collecting pipe is communicated with the evaporating pipe, the evaporating pipe is fixedly arranged at the upper end of the side face of the pipe body, the exhaust pipe is fixedly arranged at an air outlet above the evaporating pipe, the fan is fixedly arranged at an air outlet end of the exhaust pipe, a water pump is fixedly arranged at the air inlet end of the flow inlet pipe, a water storage tank is fixedly arranged at the air inlet end of the water pump, and a unidirectional pressure assembly is respectively arranged above the middle section of the flow inlet pipe and at the lower end of the side face of the evaporating pipe.
Preferably, the precooling assembly comprises a precooling pipe, a heat-conducting plate and a sleeve, wherein the precooling pipe is of a flat spiral structure, the inflow end and the outflow end of the precooling pipe penetrate through the pipe body and are fixedly connected with the pipe body, the inner side and the outer side of the precooling pipe are fixedly connected with a plurality of heat-conducting plates, the heat-conducting plate arranged on the inner side of the precooling pipe is fixedly connected with the outer wall of a capillary structure column through the sleeve, the heat-conducting plate arranged on the outer side of the precooling pipe is fixedly connected with the inner wall of the pipe body, the inflow end of the precooling pipe is communicated with the outflow end of the inflow pipe, and the outflow end and the collection pipe of the precooling pipe are communicated.
Preferably, the capillary structure column is a hollow columnar structure, and the outer wall is integrally provided with a sealing tube.
Preferably, the bottom of sealed tube is fixed and is provided with the lantern ring, the bottom of lantern ring is through a plurality of connecting rods fixedly connected with conical head, a plurality of evenly distributed between the connecting rod, the conical head is hollow structure, the side of conical head is fixed and is provided with a plurality of connecting plates, connecting plate and pipe shaft inner wall fixed connection.
Preferably, the cooling assembly further comprises a plurality of mesh plates, the mesh plates are fixedly arranged at the upper ends of the side faces of the tube body, the mesh plates are located inside the evaporation tubes, and the outer walls of the mesh plates are fixedly connected with the evaporation tubes.
Preferably, an end cover is arranged at the end part of the collecting pipe, the end cover is fixedly connected with the collecting pipe through a screw rod, and the atomizing sheet is positioned in the collecting pipe and the end cover.
Preferably, the unidirectional pressure component comprises a guide pipe, a positioning ring fixedly arranged at one end inside the guide pipe, a positioning pipe fixedly arranged in the middle inside the guide pipe through a plurality of mounting plates, a moving shaft movably arranged inside the positioning pipe, a sealing block fixedly arranged at one end of the moving shaft, a sealing ring fixedly arranged at the outer side surface of the sealing block, a retaining ring plate fixedly arranged at one side of the plurality of mounting plates, a retaining plate fixedly arranged at the other end of the moving shaft, and a spring arranged between the retaining ring plate and the retaining plate, wherein the inner wall of the positioning ring is of a circular truncated cone structure, the outer wall of the sealing ring and the inner wall of the positioning ring are pressed, and the spring is sleeved on the side surface of the positioning pipe.
Preferably, a filter screen and filter cotton are fixedly arranged in the inflow end of the flow guide pipe.
Preferably, the exhaust pipe has an L-shaped structure.
The application method of the heat pipe type heat dissipation device for the electrical equipment is characterized by comprising the following steps of:
s1, when the cooling device is used, distilled water is added into the water storage tank, and the distilled water is pumped into a precooling assembly by using the water pump to primarily cool the gaseous working medium in the middle of the pipe interior;
s2, starting the fan;
s3, after water in the precooling component enters the collecting pipe, atomizing the water after absorbing heat by using an atomizing sheet, sucking the atomized water mist into an evaporating pipe by a fan, absorbing heat on the surfaces of the pipe body and the ball head by the water mist, and evaporating the water mist to dissipate heat of the pipe body and the ball head;
s4, when the water vapor generated by the atomizing sheet is insufficient, a unidirectional pressure component at the lower end of the side surface of the evaporating pipe is opened, external cold air enters the evaporating pipe through the unidirectional pressure component, and the external cold air and the water vapor absorb heat together to cool;
the water tank is used up and not supplemented in time with distilled water, the atomizing piece stops working, two one-way pressure components above the middle section of the flow inlet pipe and at the lower end of the side face of the evaporating pipe are all opened, external cold air enters the precooling component through the one-way pressure component above the middle section of the flow inlet pipe to cool gaseous working media, then enters the evaporating pipe through the collecting pipe, and meanwhile, the one-way pressure component on the evaporating pipe is opened, and the external air dissipates heat to the pipe body and the ball head.
The invention has the following beneficial effects:
1. according to the invention, the capillary structure column is arranged in the middle of the inside of the pipe body, so that the wall thickness of the pipe body is small, the heat transfer efficiency of the heat inside the heat pipe to the outside air through the pipe body is higher, the heat dissipation of the heat pipe is faster, and the heat dissipation efficiency of the heat pipe type heat dissipation device to electric equipment is greatly improved.
2. According to the invention, the cooling component is used for introducing cold flow into the precooling component to primarily cool the gaseous working medium, so that the temperature of the gaseous working medium is gradually reduced, the temperature of the gaseous working medium after entering the bulb is obviously reduced, the gaseous working medium can be rapidly liquefied at the bulb, the structure of the bulb can increase the radiating surface of the device, the radiating efficiency of the gaseous working medium entering the bulb is further improved, and the problems that the boiling point of the liquid working medium at the evaporating end of the heat pipe is improved due to the increase of the air pressure in the pipe body and the bulb, and the liquid working medium is difficult to evaporate and absorb heat are prevented.
3. According to the invention, a groove structure is formed at the joint of the retainer ring and the ball head, liquefied working medium is collected and concentrated to enter the liquid collecting pipe through the liquid guide pipe, and the liquid working medium in the liquid collecting pipe enters the evaporation end through the capillary structure column, so that the liquid working medium is prevented from flowing to the inner wall of the pipe body and adhering to the inner wall of the pipe body, the shortage of the liquid working medium at the evaporation end is prevented, and the influence of the liquid working medium adhering to the inner wall of the pipe body on heat dissipation is prevented.
4. According to the invention, the distilled water is pumped into the precooling component to primarily cool the gaseous working medium in the middle of the interior of the pipe body, then the distilled water enters the collecting pipe to be atomized by the atomizing sheet, and the temperature of the distilled water is raised as the distilled water cools the gaseous working medium, so that the distilled water enters the evaporating pipe to further absorb heat of the pipe body and the bulb under the action of the fan after being atomized, the pipe body and the bulb can be cooled, water mist can be evaporated into water vapor, the high-temperature water vapor is rapidly dissipated in the air after being discharged through the exhaust pipe, a local moist environment is not formed, the electric equipment is prevented from being wetted, and the corrosion to the fan is reduced. Through carrying out the heat dissipation to pipe shaft and bulb to the water atomization, can save water, also conveniently supply with moisture to the device. The evaporation tube can gather water mist, so that the generated water mist can be fully used for heat dissipation of the tube body and the bulb.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for 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 that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a heat pipe type heat dissipating device and method for an electrical apparatus according to the present invention;
FIG. 2 is a perspective cross-sectional view of a heat pipe type heat dissipating device and method for an electrical apparatus according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2 showing a heat pipe type heat dissipating device and method for an electrical apparatus according to the present invention;
FIG. 4 is a perspective view of a mesh plate of a heat pipe type heat dissipating device and method for electrical devices according to the present invention;
FIG. 5 is a perspective cross-sectional view of the internal structure of the tube body and bulb of a heat pipe type heat dissipating device and method for electrical equipment according to the present invention;
FIG. 6 is a perspective view of a capillary structure column and a sealing tube of a heat pipe type heat dissipating device and method for electrical equipment according to the present invention;
fig. 7 is a perspective view of a precooling assembly of a heat pipe type heat dissipating device and method for an electrical apparatus according to the present invention;
FIG. 8 is a perspective view of the connection structures at the bottom of the capillary structure column of a heat pipe type heat dissipating device and method for electrical equipment according to the present invention;
FIG. 9 is a perspective view of an evaporating pipe of a heat pipe type heat dissipating device and method for electrical equipment according to the present invention;
fig. 10 is a perspective view showing a header pipe and a top structure thereof of a heat pipe type heat dissipating device and method for electric equipment according to the present invention;
fig. 11 is a perspective view of a unidirectional pressure assembly of a heat pipe type heat dissipating device and method for an electrical apparatus according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a water pump; 2. a water storage tank; 3. a unidirectional pressure assembly; 31. a flow guiding pipe; 32. a positioning ring; 33. a positioning tube; 34. moving a shaft; 35. sealing blocks; 36. a seal ring; 37. a retaining ring plate; 38. a retaining plate; 39. a spring; 4. a heat pipe assembly; 41. a pipe body; 42. ball head; 43. a capillary structure column; 44. a retainer ring; 45. a liquid collecting pipe; 46. a catheter; 5. a pre-cooling assembly; 51. a pre-cooling tube; 52. a heat conductive plate; 53. a sleeve; 6. a cooling component; 61. a flow inlet pipe; 62. collecting pipes; 63. an evaporation tube; 64. an exhaust pipe; 65. a fan; 66. an atomizing sheet; 67. a mesh plate; 7. sealing the tube; 8. a collar; 9. a connecting rod; 10. a conical head; 11. a connecting plate; 12. an end cap; 13. a screw; 14. a filter screen; 15. filtering cotton; 16. and (3) mounting a plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1:
referring to fig. 1-11, a heat pipe type heat dissipating device for an electrical apparatus includes a heat pipe assembly 4, a pre-cooling assembly 5 disposed in an inner middle section of the heat pipe assembly 4, and a cooling assembly 6 disposed in an upper middle section of the heat pipe assembly 4, wherein the cooling assembly 6 introduces cold flow into the pre-cooling assembly 5 to cool a gaseous working medium;
the heat pipe assembly 4 comprises a pipe body 41, a ball head 42 integrally arranged above the pipe body 41, a capillary structure column 43 fixedly arranged in the middle of the inside of the pipe body 41, a check ring 44 fixedly arranged at an opening below the ball head 42, a liquid collecting pipe 45 fixedly arranged at the upper end of the capillary structure column 43, and a liquid guide pipe 46 penetrating through the check ring 44 and the liquid collecting pipe 45, wherein the thickness of the thin wall of the ball head 42 is the same as that of the thin wall of the pipe body 41, the diameter of the ball head 42 is larger than that of the pipe body 41, and a plurality of liquid guide pipes 46 are uniformly arranged;
the heat pipe is filled with a working medium, and the liquid working medium absorbs heat and then evaporates to rise in the pipe body 41.
The heat pipe type heat dissipation device is arranged on the surface of a shell of a heat generation source of electrical equipment through a bottom mounting piece, and in the process of using a heat pipe type structure to dissipate heat of the electrical equipment, the problem that the heat pipe is affected due to thicker pipe wall caused by the capillary structure arranged on the pipe wall of the existing heat pipe is solved. Based on this design, the structure of installing capillary structure post 43 in the middle of the inside of pipe shaft 41 for the wall thickness of pipe shaft 41 is little, makes the inside heat of heat pipe carry out the efficiency of heat transfer to outside air through pipe shaft 41 higher, makes the heat pipe dispel the heat faster, and this has also improved the radiating efficiency of this heat pipe type heat abstractor to electrical equipment greatly.
The method aims at solving the problem that the internal gaseous working medium of the existing heat pipe cannot be liquefied in time after entering the condensation end of the heat pipe, so that the internal air pressure of the heat pipe is increased, and the boiling point of the liquid working medium at the evaporation end of the heat pipe is increased, and the evaporation is not easy. In this design, use cooling module 6 to let in the cold flow and carry out preliminary cooling to gaseous state working medium in the precooling module 5, reduce gaseous state working medium's temperature gradually, make gaseous state working medium get into the temperature after the bulb 42 obviously reduce, can make gaseous state working medium liquefy at bulb 42 fast, the heat radiating surface of device can be increased to the structure of bulb 42, further improved the gaseous state working medium radiating efficiency who gets into bulb 42 inside, prevent to appear that pipe shaft 41 and bulb 42 inside atmospheric pressure from increasing and make the liquid working medium boiling point of heat pipe evaporation end improve, lead to the difficult evaporation endothermic problem of liquid working medium.
In this design, retaining ring 44 and bulb 42 junction form the groove structure, collect the working medium after the liquefaction, liquid working medium concentrates and gets into liquid collecting pipe 45 through catheter 46, liquid working medium in the liquid collecting pipe 45 gets into the evaporation end through capillary structure post 43, this avoids liquid working medium to flow to the inner wall of pipe shaft 41 and adhere to the inner wall at pipe shaft 41, prevents that evaporation end liquid working medium is not enough, prevents and adheres to the liquid working medium influence heat dissipation at pipe shaft 41 inner wall.
The cooling assembly 6 comprises a flow inlet pipe 61, a collecting pipe 62, an evaporating pipe 63, an exhaust pipe 64, a fan 65 and an atomizing sheet 66, wherein the flow inlet pipe 61 is fixedly arranged on the side face of the pipe body 41, the flow inlet pipe 61 is used for introducing cold flow into the pre-cooling assembly 5, the collecting pipe 62 is fixedly arranged on the side face of the pipe body 41, the atomizing sheet 66 is fixedly arranged at one end of the collecting pipe 62, the collecting pipe 62 is communicated with the evaporating pipe 63, the evaporating pipe 63 is fixedly arranged at the upper end of the side face of the pipe body 41, the exhaust pipe 64 is fixedly arranged at the upper air outlet of the evaporating pipe 63, the fan 65 is fixedly arranged at the air outlet end of the exhaust pipe 64, the water pump 1 is fixedly arranged at the flow inlet end of the flow inlet pipe 61, the water storage tank 2 is fixedly arranged at the flow inlet end of the water pump 1, and the unidirectional pressure assembly 3 is respectively arranged above the middle section of the flow inlet pipe 61 and at the lower end of the side face of the evaporating pipe 63.
To further improve the heat dissipation efficiency to the pipe body 41 and the ball 42. In this design, distilled water is drawn into in the precooling subassembly 5 and carries out preliminary cooling to the gaseous state working medium in the middle of the pipe body 41, get into the pressure manifold 62 and atomize by atomizing piece 66 afterwards, because distilled water has carried out the cooling to gaseous state working medium, self temperature also can rise, further heat absorption pipe body 41 and bulb 42's heat in evaporating pipe 63 under fan 65 effect after being atomized, can not only dispel the heat to pipe body 41 and bulb 42, still make water smoke evaporation vapor, the high temperature vapor is dispelled in the air after discharging through blast pipe 64 fast, can not form local moist environment, avoid electrical equipment to wet, also reduced the corruption to fan 65. By radiating the heat from the pipe 41 and the ball 42 by atomizing the water, water can be saved and the water can be supplied to the device conveniently. The evaporation tube 63 can collect water mist, so that the generated water mist is fully used for heat dissipation of the tube body 41 and the ball head 42.
The pre-cooling assembly 5 includes a pre-cooling tube 51, a heat conducting plate 52, and a sleeve 53, where the pre-cooling tube 51 is in a flat spiral structure, the inflow end and the outflow end of the pre-cooling tube 51 penetrate through the tube body 41 and are fixedly connected with the tube body 41, the inner side and the outer side of the pre-cooling tube 51 are fixedly connected with the plurality of heat conducting plates 52, the heat conducting plate 52 installed on the inner side of the pre-cooling tube 51 is fixedly connected with the outer wall of the capillary structure column 43 through the sleeve 53, the heat conducting plate 52 installed on the outer side of the pre-cooling tube 51 is fixedly connected with the inner wall of the tube body 41, the inflow end of the pre-cooling tube 51 is communicated with the outflow end of the inflow tube 61, and the outflow end and the collecting tube 62 of the pre-cooling tube 51 are communicated.
In this design, the pre-cooling pipe 51 is a flat spiral structure, and the pre-cooling pipe 51 with the spiral structure can improve the circulation time of distilled water in the pipe body 41, and the heat conducting plate 52 can not be too concentrated to obstruct the rising of the gaseous working medium, so as to improve the heat absorption time of the distilled water, and the pre-cooling pipe 51 with the flat structure can enable the heat absorption surface of the distilled water passing through the pipe to be larger, so that the heat absorption is more sufficient, and the rising of the gaseous working medium can not be obstructed. The structure of the heat-conducting plate 52 can transfer the heat of the gaseous working medium to the pre-cooling pipe 51 and distilled water in the pre-cooling pipe 51 while installing and fixing the pre-cooling pipe 51, so that the temperature of the gaseous working medium is reduced more uniformly and faster.
The capillary structure column 43 is a hollow column structure, and the outer wall is integrally provided with a sealing tube 7.
In this design, the capillary structure column 43 is a hollow column structure, and under the condition that the liquid working medium in the liquid collecting tube 45 is more, the liquid working medium can flow back to the evaporation end through the hollow structure. The structure of the sealing tube 7 prevents the liquid working substance from exuding from the meshes of the capillary structure column 43, and can further fix the capillary structure column 43, preventing the capillary structure column 43 from deforming.
Wherein, the bottom of sealed tube 7 is fixed and is provided with lantern ring 8, and the bottom of lantern ring 8 is through a plurality of connecting rods 9 fixedly connected with conical head 10, evenly distributed between a plurality of connecting rods 9, conical head 10 is hollow structure, and the side of conical head 10 is fixed and is provided with a plurality of connecting plates 11, connecting plate 11 and pipe shaft 41 inner wall fixed connection.
In this design, the connection plate 11 is used for fixing the conical head 10, and the capillary structure column 43 and the sealing tube 7 are further fixed by the structures of the connection rod 9 and the collar 8. The bottom of capillary structure post 43 contradicts with conical head 10, makes things convenient for liquid working medium to get into the bottom of pipe shaft 41 through conical head 10, and connecting plate 11 is made for heat conduction material, with the liquid working medium surface of the bottom of heat transfer to pipe shaft 41, makes things convenient for liquid working medium surface part quick evaporation.
Wherein, cooling module 6 still includes a plurality of mesh plates 67, and mesh plate 67 is fixed to be set up in the side upper end of pipe shaft 41, and mesh plate 67 is located the inside of evaporating pipe 63, outer wall and evaporating pipe 63 fixed connection of mesh plate 67.
In this design, mesh board 67 is made for heat conduction material, can make water smoke and mesh board 67 fully contact to can improve the evaporation efficiency of water smoke, with this radiating efficiency to pipe shaft 41 that has improved, the flow of water smoke can also be hindered to the structure of simultaneously can also mesh board 67, make water smoke keep for a long time near pipe shaft 41, be convenient for improve the radiating efficiency to pipe shaft 41, mesh board 67 and make water smoke can fully spread everywhere in evaporating pipe 63, make the heat dissipation to pipe shaft 41 and bulb 42 more even.
The end of the collecting pipe 62 is provided with an end cover 12, the end cover 12 is fixedly connected with the collecting pipe 62 through a screw 13, and the atomizing sheet 66 is positioned inside the collecting pipe 62 and the end cover 12.
In this design, through using screw rod 13 and end cover 12 to fix atomizing piece 66 on collecting pipe 62, the convenience overhauls and maintains atomizing piece 66.
The unidirectional pressure assembly 3 comprises a flow guide pipe 31, a positioning ring 32 fixedly arranged at one end inside the flow guide pipe 31, a positioning pipe 33 fixedly arranged in the middle inside the flow guide pipe 31 through a plurality of mounting plates 16, a moving shaft 34 movably arranged inside the positioning pipe 33, a sealing block 35 fixedly arranged at one end of the moving shaft 34, a sealing ring 36 fixedly arranged on the outer side face of the sealing block 35, a baffle plate 37 fixedly arranged at one side of the plurality of mounting plates 16, a retaining plate 38 fixedly arranged at the other end of the moving shaft 34, and a spring 39 arranged between the baffle plate 37 and the retaining plate 38, wherein the inner wall of the positioning ring 32 is of a circular truncated cone structure, the outer wall of the sealing ring 36 and the inner wall of the positioning ring 32 are pressed together, and the spring 39 is sleeved on the side face of the positioning pipe 33.
In this design, when the vapor generated by the atomizing sheet 66 is insufficient, the air pressure in the evaporating tube 63 is reduced, the unidirectional pressure assembly 3 at the lower end of the side surface of the evaporating tube 63 is opened, that is, the external air pressure is large, the sealing ring 36 and the positioning ring 32 on the sealing block 35 are pushed to separate, and the external air enters the evaporating tube 63 to dissipate the heat of the cold air. When distilled water in the water storage tank 2 is used up and not supplemented in time, and when distilled water in the pre-cooling pipe 51 is completely consumed, external air enters the pre-cooling pipe 51 through the one-way pressure component 3 above the middle section of the inlet pipe 61 to cool the gaseous working medium, and the same plays a role in preliminary cooling the gaseous working medium, so that when water in the water storage tank 2 is completely consumed and water vapor generated by the atomizing sheet 66 is insufficient, heat can be dissipated to the pipe body 41 and the ball head 42.
Wherein, the filter screen 14 and the filter cotton 15 are fixedly arranged in the inflow end of the flow guide pipe 31.
Preventing external dust from entering.
Wherein the exhaust pipe 64 has an L-shaped structure.
Example 2:
the application method of the heat pipe type heat dissipation device for the electrical equipment is characterized by comprising the following steps of:
s1, when the cooling device is used, distilled water is added into the water storage tank 2, and the distilled water is pumped into the precooling assembly 5 by the water pump 1 to primarily cool the gaseous working medium in the middle of the inside of the pipe 41;
s2, starting a fan 65;
s3, after water in the pre-cooling assembly 5 enters the collecting pipe 62, atomizing the water after absorbing heat by using an atomizing sheet 66, sucking atomized water mist into the evaporating pipe 63 by a fan 65, absorbing heat on the surfaces of the pipe body 41 and the bulb 42 by the water mist, evaporating, and radiating heat on the pipe 41 and the bulb 42;
s4, when the water vapor generated by the atomizing sheet 66 is insufficient, the unidirectional pressure component 3 at the lower end of the side surface of the evaporating pipe 63 is opened, external cold air enters the evaporating pipe 63 through the unidirectional pressure component 3, and the external cold air absorbs heat together with the water vapor to reduce the temperature;
the distilled water in the water storage tank 2 is used up and is not supplemented in time, the atomizing sheet 66 stops working, the two unidirectional pressure assemblies 3 above the middle section of the inflow pipe 61 and at the lower end of the side face of the evaporating pipe 63 are all opened, external cold air enters the precooling assembly 5 through the unidirectional pressure assemblies 3 above the middle section of the inflow pipe 61 to cool gaseous working media, then enters the evaporating pipe 63 through the collecting pipe 62, and meanwhile, the unidirectional pressure assemblies 3 on the evaporating pipe 63 are opened, and the external air dissipates heat to the pipe body 41 and the ball head 42.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. A heat pipe type heat dissipation device for electrical equipment is characterized in that: the cooling device comprises a heat pipe assembly (4), a pre-cooling assembly (5) arranged in the middle section inside the heat pipe assembly (4) and a cooling assembly (6) arranged in the middle section inside the heat pipe assembly (4), wherein the cooling assembly (6) is used for cooling gaseous working media by introducing cold flow into the pre-cooling assembly (5);
the heat pipe assembly (4) comprises a pipe body (41), a bulb (42) integrally arranged above the pipe body (41), a capillary structure column (43) fixedly arranged in the middle of the inside of the pipe body (41), a check ring (44) fixedly arranged at an opening of the lower part of the bulb (42), a liquid collecting pipe (45) fixedly arranged at the upper end of the capillary structure column (43), and a liquid guide pipe (46) penetrating through the check ring (44) and the liquid collecting pipe (45), wherein the thin wall thickness of the bulb (42) is the same as the thin wall thickness of the pipe body (41), the diameter of the bulb (42) is larger than the diameter of the pipe body (41), and a plurality of liquid guide pipes (46) are uniformly arranged;
the cooling assembly (6) comprises a flow inlet pipe (61), a collecting pipe (62), an evaporation pipe (63), an exhaust pipe (64), a fan (65) and an atomization sheet (66), wherein the flow inlet pipe (61) is fixedly arranged on the side face of a pipe body (41), the flow inlet pipe (61) is used for introducing cold flow into a precooling assembly (5), the collecting pipe (62) is fixedly arranged on the side face of the pipe body (41), the atomization sheet (66) is fixedly arranged at one end of the collecting pipe (62), the collecting pipe (62) is communicated with the evaporation pipe (63), the evaporation pipe (63) is fixedly arranged at the upper air outlet of the pipe body (41), the fan (65) is fixedly arranged at the air outlet end of the exhaust pipe (64), the flow inlet end of the flow inlet pipe (61) is fixedly provided with a water pump (1), and the flow inlet end of the water pump (1) is fixedly provided with a water storage tank (3) above the flow inlet pipe (61) and at the side face of the evaporation pipe (41).
2. A heat pipe type heat dissipating device for an electric apparatus according to claim 1, wherein: precooling subassembly (5) are including precooling pipe (51), heat conduction board (52) to and sleeve pipe (53), precooling pipe (51) are flat heliciform structure, inflow end and outflow end of precooling pipe (51) all run through pipe shaft (41) and with pipe shaft (41) fixed connection, the inside and outside of precooling pipe (51) all fixed connection a plurality of heat conduction boards (52), heat conduction board (52) of the inboard installation of precooling pipe (51) pass through sleeve pipe (53) and capillary structure post (43) outer wall fixed connection, heat conduction board (52) of the outside installation of precooling pipe (51) and the inner wall fixed connection of pipe shaft (41), inflow end and outflow end intercommunication of inflow pipe (61) of precooling pipe (51), outflow end and collector tube (62) intercommunication of precooling pipe (51).
3. A heat pipe type heat dissipating device for an electric apparatus according to claim 1, wherein: the capillary structure column (43) is of a hollow columnar structure, and the outer wall of the capillary structure column is integrally provided with a sealing tube (7).
4. A heat pipe type heat dissipating apparatus for an electrical device according to claim 3, wherein: the sealing tube is characterized in that a lantern ring (8) is fixedly arranged at the bottom of the sealing tube (7), a plurality of connecting rods (9) are fixedly connected with conical heads (10) at the bottom of the lantern ring (8), the connecting rods (9) are uniformly distributed, the conical heads (10) are of hollow structures, a plurality of connecting plates (11) are fixedly arranged on the side faces of the conical heads (10), and the connecting plates (11) are fixedly connected with the inner walls of tube bodies (41).
5. A heat pipe type heat dissipating device for an electric apparatus according to claim 1, wherein: the cooling assembly (6) further comprises a plurality of mesh plates (67), the mesh plates (67) are fixedly arranged at the upper ends of the side faces of the pipe body (41), the mesh plates (67) are located inside the evaporation pipes (63), and the outer walls of the mesh plates (67) are fixedly connected with the evaporation pipes (63).
6. A heat pipe type heat dissipating device for an electric apparatus according to claim 1, wherein: the end part of the collecting pipe (62) is provided with an end cover (12), the end cover (12) is fixedly connected with the collecting pipe (62) through a screw rod (13), and the atomizing sheet (66) is positioned in the collecting pipe (62) and the end cover (12).
7. A heat pipe type heat dissipating device for an electric apparatus according to claim 1, wherein: the unidirectional pressure assembly (3) comprises a guide pipe (31), a positioning ring (32) fixedly arranged at one end inside the guide pipe (31), a positioning pipe (33) fixedly arranged in the middle inside the guide pipe (31) through a plurality of mounting plates (16), a moving shaft (34) movably arranged inside the positioning pipe (33), a sealing block (35) fixedly arranged at one end of the moving shaft (34), a sealing ring (36) fixedly arranged on the outer side surface of the sealing block (35), a baffle plate (37) fixedly arranged at one side of the plurality of mounting plates (16), a retaining plate (38) fixedly arranged at the other end of the moving shaft (34), and a spring (39) arranged between the baffle plate (37) and the retaining plate (38), wherein the inner wall of the positioning ring (32) is of a circular truncated cone-shaped structure, the outer wall of the sealing ring (36) and the inner wall of the positioning ring (32) are pressed, and the spring (39) is sleeved on the side surface of the positioning pipe (33).
8. A heat pipe type heat dissipating apparatus for an electrical device according to claim 7, wherein: a filter screen (14) and filter cotton (15) are fixedly arranged in the inflow end of the guide pipe (31).
9. A heat pipe type heat dissipating device for an electric apparatus according to claim 1, wherein: the exhaust pipe (64) is of an L-shaped structure.
10. The method of using a heat pipe type heat sink for electrical equipment according to any one of claims 1 to 9, comprising the steps of:
s1, when the cooling device is used, distilled water is added into the water storage tank (2), and the distilled water is pumped into the precooling assembly (5) by the water pump (1) to primarily cool the gaseous working medium in the middle of the inside of the pipe body (41);
s2, starting the fan (65);
s3, after water in the pre-cooling assembly (5) enters the collecting pipe (62), atomizing the heat-absorbed water by using an atomizing sheet (66), sucking the atomized water mist into an evaporating pipe (63) by a fan (65), absorbing heat on the surfaces of a pipe body (41) and a ball head (42) by the water mist, evaporating, and radiating heat on the pipe body (41) and the ball head (42);
s4, when the water vapor generated by the atomizing sheet (66) is insufficient, a unidirectional pressure component (3) at the lower end of the side surface of the evaporating pipe (63) is opened, external cold air enters the evaporating pipe (63) through the unidirectional pressure component (3), and the external cold air absorbs heat together with the water vapor to cool;
the utility model discloses a water storage tank, including evaporation pipe (63) and evaporation pipe (41) and bulb (42), including evaporation pipe (63) and evaporation pipe, the water tank (2) is used up and not in time is replenished with distilled water, atomizing piece (66) stop work, two of the middle section top of inflow pipe (61) and evaporation pipe (63) side lower extreme one-way pressure assembly (3) are all opened, and external cold air passes through in one-way pressure assembly (3) of the middle section top of inflow pipe (61) gets into precooling assembly (5) to gaseous working medium cooling, and then gets into evaporation pipe (63) through collecting pipe (62), simultaneously one-way pressure assembly (3) on evaporation pipe (63) are opened, and external air dispels the heat to pipe shaft (41) and bulb (42).
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| CN202311830918.4A CN117767157B (en) | 2023-12-28 | 2023-12-28 | Heat pipe type heat dissipation device and method for electrical equipment |
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| CN202311830918.4A CN117767157B (en) | 2023-12-28 | 2023-12-28 | Heat pipe type heat dissipation device and method for electrical equipment |
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| CN117767157B CN117767157B (en) | 2024-06-04 |
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