CN212753032U - Annular LED ionic wind heat abstractor - Google Patents
Annular LED ionic wind heat abstractor Download PDFInfo
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- CN212753032U CN212753032U CN202021779139.8U CN202021779139U CN212753032U CN 212753032 U CN212753032 U CN 212753032U CN 202021779139 U CN202021779139 U CN 202021779139U CN 212753032 U CN212753032 U CN 212753032U
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Abstract
The utility model discloses an annular LED ionic wind heat abstractor, including arc transmitting electrode, arc transmitting electrode and high-pressure power supply source fixed connection, the bottom in high-pressure power supply source and the up end fixed connection of annular plate-shaped collector electrode, arc transmitting electrode with annular plate-shaped collector electrode sets up with the axle center. The arc emitter electrode is at a high voltage and the annular plate collector electrode is grounded via the arc emitter electrode and the annular plate collector electrode. When the voltage applied between the emitting electrode and the collecting electrode is high enough, a corona discharge phenomenon is generated in the ion wind device, ions generated by a corona effect are accelerated under the action of an electric field and collide with neutral molecules in the air to exchange momentum and energy, and ion wind moving directionally is formed.
Description
Technical Field
The utility model belongs to the technical field of the electron device heat dissipation technique and specifically relates to a ring LED ionic wind heat abstractor is related to.
Background
Electronic devices generate a large amount of heat during operation, and due to the rapid development of electronic technologies, electronic products are increasingly miniaturized, so that the power density of the electronic devices is higher and higher, and higher requirements on the performance of heat dissipation devices are met. For example, the main wavelength is shifted due to the high temperature generated by the self-luminous property of the LED during operation, the luminous efficiency is reduced, and the service life is shortened.
The existing heat dissipation modes aiming at the LED heat source are mostly natural convection mode, air cooling mode and the like. But the space required by natural convection is large and the heat dissipation efficiency is low; the air-cooled type needs a fan, so that the noise is high; the thermoelectric refrigeration type is too costly. At present, a novel heat dissipation method is urgently needed to overcome the defects of the traditional LED heat source heat dissipation method.
At present, the generation and the use of ion wind are researched at home and abroad, and the heat dissipation mode of an LED heat source through the ion wind heat dissipation technology has the characteristics of small volume, good heat dissipation effect, energy conservation, silence, simple structure and no need of moving parts. However, the existing ion wind heat dissipation devices are complex in structure, and no ion wind heat dissipation device for heating the annular LED heat source is found.
SUMMERY OF THE UTILITY MODEL
The ion wind heat dissipation device comprises a heat dissipation plate, a heat pipe and a heat pipe.
To achieve the purpose, the utility model adopts the following technical proposal: the annular LED ion wind heat dissipation device is characterized by comprising an arc-shaped emission electrode, wherein the arc-shaped emission electrode is fixedly connected with a high-voltage power supply source, the bottom of the high-voltage power supply source is fixedly connected with the upper end face of an annular plate-shaped collector electrode, and the arc-shaped emission electrode and the annular plate-shaped collector electrode are coaxially arranged.
Optionally, the arc emitter electrode is disposed at a center of the annular plate collector electrode.
Optionally, a vertical distance between the arc emitter electrode and the annular plate-shaped collector electrode is 8mm to 15 mm.
Optionally, the voltage between the arc emitter electrode and the annular plate collector electrode is ± 5kV to ± 10 kV.
Optionally, the surface of the arc-shaped emission electrode is coated with a graphene coating.
Optionally, the upper end surface of the annular plate-shaped collector electrode is fixedly connected with the housing, and the bottom of the annular plate-shaped collector electrode is fixedly connected with the LED heat source; the shell is hollow ring shape, arc emitter electrode with high voltage power supply all locates in the shell, be equipped with a plurality of ventilation holes on the shell, the ventilation hole is followed the circumferencial direction align to grid of shell.
Optionally, the vent hole includes an upper vent hole disposed on the upper end surface of the housing and a side vent hole disposed on the side surface of the housing.
Optionally, the vent hole is coated with manganese dioxide MnO2A catalyst layer of said manganese dioxide MnO2The catalyst layer is used to remove ozone.
Optionally, the shell is made of an insulating heat-conducting material, and the annular plate-shaped collector is made of an aluminum alloy.
Optionally, a heat-conducting silicone grease coating is coated between the annular plate-shaped collector and the LED heat source.
The utility model has the advantages that: the utility model discloses annular LED ionic wind heat abstractor, including arc transmitting electrode, arc transmitting electrode and high-pressure power supply fixed connection, the bottom in high-pressure power supply and the up end fixed connection of the platelike collecting electrode of annular, arc transmitting electrode with the platelike collecting electrode of annular sets up with the axle center very. The arc emitter electrode is high voltage and the annular plate collector electrode is grounded through the arc emitter electrode and the annular plate collector electrode. When the voltage applied between the emitting electrode and the collecting electrode is high enough, the corona discharge phenomenon is generated in the ion wind device, ions generated by the corona effect are accelerated under the action of an electric field and collide with neutral molecules in the air to exchange momentum and energy, so that ion wind moving directionally is formed, and uniform ion wind can be effectively generated due to the arc-shaped emitting electrode, so that the effect of heat dissipation of an LED heat source is realized, the structure of the ion wind heat dissipation device is simplified, and the heat dissipation efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is an exploded view of an annular LED ion wind heat dissipation device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an arc-shaped emitter electrode of an annular LED ion wind heat dissipation device according to an embodiment of the present invention;
fig. 3 is a perspective view of an annular LED ion wind heat dissipation device according to an embodiment of the present invention.
In the figure: 1. an arc-shaped emitter electrode; 2. a high voltage power supply; 3. an annular plate-shaped collector; 4. a housing; 40. a vent hole; 401. an upper vent; 402. side vent holes.
Detailed Description
The embodiment of the utility model provides an annular LED ionic wind heat abstractor for simplify traditional ionic wind heat abstractor's structure, improve the radiating efficiency.
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in fig. 1, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Please refer to fig. 1, fig. 1 is a view of an annular LED ion wind heat dissipation device according to an embodiment of the present invention, which includes an arc-shaped emitter electrode 1, the arc-shaped emitter electrode 1 is fixedly connected to a high-voltage power supply 2, the bottom of the high-voltage power supply 2 is fixedly connected to an upper end surface of an annular plate-shaped collector electrode 3, and the arc-shaped emitter electrode 1 and the annular plate-shaped collector electrode 3 are coaxially disposed.
Specifically, after high voltage is connected to the arc-shaped emitter electrode 1 and the annular plate-shaped collector electrode 3, a corona discharge phenomenon can be generated, and then ion wind is formed. The arc-shaped emitting electrode 1 is fixedly connected with the high-voltage power supply 2, the bottom of the high-voltage power supply 2 is fixedly connected with the upper end face of the annular plate-shaped collector electrode 3, and the fixing method can be that the arc-shaped emitting electrode and the high-voltage power supply are fixedly connected in an adhesion mode, a mechanical locking mode and the like.
The arc-shaped emitting electrode 1 and the annular plate-shaped collector electrode 3 are coaxially arranged to ensure that the ion wind device can generate ion wind which is scattered along the plate surface and is uniform all around, so that the heat dissipation efficiency is improved, and the heat dissipation problem of the annular LED heat source is solved.
The working principle is as follows: the arc emitter electrode is high voltage and the annular plate collector electrode is grounded through the arc emitter electrode and the annular plate collector electrode. When the voltage applied between the emitting electrode and the collecting electrode is high enough, the corona discharge phenomenon is generated in the ion wind device, ions generated by the corona effect are accelerated under the action of an electric field and collide with neutral molecules in the air to exchange momentum and energy, and ion wind moving directionally is formed.
Further, the arc emitter electrode 1 is disposed at a central position of the annular plate-shaped collector electrode 3.
Specifically, the arc-shaped emitting electrode 1 and the annular plate-shaped collector electrode 3 are coaxial, and the arc-shaped emitting electrode 1 is installed at the central position of the annular plate-shaped collector electrode 3, so that the ion wind device can generate uniform ion wind around the plate surface, the heat dissipation efficiency is improved, and the heat dissipation problem of the annular LED heat source is solved.
Further, the vertical distance between the arc-shaped emitter electrode 1 and the annular plate-shaped collector electrode 3 is 8mm-15 mm.
Specifically, in order to secure the effect of generating the ion wind, it is preferable here that the relative position between the arc-shaped emitter electrode 1 and the annular plate-shaped collector electrode 3 and the distance between the arc-shaped emitter electrode 1 and the annular plate-shaped collector electrode 3, which perform corona discharge, be between 8mm and 15 mm.
Further, the voltage between the arc emitter electrode 1 and the annular plate-shaped collector electrode 3 is ± 5kV to ± 10 kV.
Specifically, in order to ensure the effect of generating the ion wind, the relative position between the arc-shaped emitter electrode 1 and the annular plate-shaped collector electrode 3 for performing corona discharge is preferably set, and the voltage difference therebetween is ± 5kV to ± 10 kV.
Further, the surface of the arc-shaped emitter electrode 1 is coated with a graphene coating.
Specifically, in order to enhance the ion wind and reduce the amount of ozone generated by the corona discharge process, it is preferable that the surface of the arc-shaped emitter electrode 1 is coated with a graphene coating. Due to the fact that the graphene layer has good field emission characteristics and a high aspect ratio, the ionic wind speed can be effectively improved, and the corona voltage can be effectively reduced. And experiments show that the amount of ozone generated by the ion wind device coated with the graphene coating is obviously reduced.
Further, the upper end surface of the annular plate-shaped collector 3 is fixedly connected with the housing 4, and the bottom of the annular plate-shaped collector 3 is fixedly connected with the LED heat source 5; the shell 4 is hollow ring shape, arc emitting electrode 1 with high voltage power supply 2 all locates in the shell 4, be equipped with a plurality of ventilation holes 40 on the shell 4, ventilation hole 40 is followed the circumferencial direction align to grid of shell 4.
Specifically, for the sake of appearance and protection of the arc emitter electrode 1 and the high voltage power supply 2 that generate ion wind and the annular plate collector electrode 3, the housing 4 is attached to the upper end face of the annular plate collector electrode 3, and for the sake of ensuring the fluidity of the gas in the housing, the housing 4 having a vent hole in the housing is preferably provided here.
Further, the vent holes 40 include an upper vent hole 401 formed on an upper end surface of the housing 4 and a side vent hole 402 formed on a side surface of the housing 4.
Specifically, in order to ensure the heat dissipation effect, the upper vent holes 401 and the side vent holes 402 are uniformly distributed along the circumference. The shape of the vent hole can be selected to be a square hole or a round hole, and the vent hole can also be a vent hole with other suitable shapes.
Further, manganese dioxide MnO is coated at the vent hole 402A catalyst layer of said manganese dioxide MnO2The catalyst layer is used to remove ozone.
Specifically, in order to reduce the influence of ozone generated by the ion wind device in the corona discharge process on the normal use, the upper vent hole 401 and the side vent holes 402 are coated with manganese dioxide MnO2And the catalyst layer is used for reducing ozone in the ozone-carrying ion wind by the catalyst when the ozone-carrying ion wind flows through the catalyst layer, so that the ozone is removed.
Further, the housing 4 is made of an insulating and heat conducting material, and the annular plate-shaped collector 3 is made of an aluminum alloy.
Specifically, in order to ensure that the ion wind device continues the efficient radiating effect under the high voltage working condition, the shell 4 is made of an insulating heat-conducting material, for example, a heat-conducting insulating silica gel plate or an insulating heat-conducting material with the same characteristics.
Meanwhile, in order to ensure that the heat generated by the LED heat source can be efficiently conducted into the housing and carried away by the ion wind, and effectively enhance the ion wind generated by the ion wind device, the annular plate-shaped collector 3 is preferred here, and the material is preferably an aluminum alloy material having excellent thermal conductivity and electrical conductivity.
Further, a heat-conducting silicone grease coating is coated between the annular plate-shaped collector 3 and the LED heat source 5.
Specifically, in order to ensure that heat generated by the LED heat source can be efficiently conducted into the shell and carried away by the ion wind, and effectively enhance the ion wind generated by the ion wind device, a layer of heat-conducting silicone grease is coated between the annular plate-shaped collector and the LED heat source.
To sum up, the embodiment of the utility model provides a pair of annular LED ionic wind heat abstractor, including arc transmitting electrode, arc transmitting electrode and high-voltage power supply source fixed connection, the bottom in high-voltage power supply source and the up end fixed connection of the platelike collecting electrode of annular, arc transmitting electrode with the platelike collecting electrode of annular sets up with the axle center. Through the setting of arc emitter electrode and annular platelike collector electrode, the arc emitter electrode is high voltage, and annular platelike collector electrode ground connection. When the voltage applied between the emitting electrode and the collecting electrode is high enough, the corona discharge phenomenon is generated in the ion wind device, ions generated by the corona effect are accelerated under the action of an electric field and collide with neutral molecules in the air to exchange momentum and energy, and ion wind moving directionally is formed, so that the heat dissipation effect of an LED heat source is realized, and uniform ion wind can be effectively generated due to the arc-shaped emitting electrode. The ion wind device composed of the arc-shaped emitting electrode and the annular plate-shaped collector electrode is easy to be combined with annular LED electronic devices on the market, the occupied size is small, the annular plate-shaped collector electrode is made of aluminum alloy materials with excellent heat conductivity and electric conductivity, and heat generated by an LED heat source can be effectively conducted to the ion wind device and timely removed by generated ion wind. And the graphene coating coated on the surface of the arc-shaped emission electrode has good field emission characteristic and corrosion resistance, so that the ionic wind can be effectively enhanced, and the generation of ozone in the corona discharge process is reduced. In conclusion, the annular LED ion wind heat dissipation device can effectively solve the heat dissipation problem of the annular LED heat source, simplify the structure, reduce the noise, improve the heat dissipation efficiency of the LED and enable the LED to work continuously and stably.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The annular LED ion wind heat dissipation device is characterized by comprising an arc-shaped emission electrode (1), wherein the arc-shaped emission electrode (1) is fixedly connected with a high-voltage power supply source (2), the bottom of the high-voltage power supply source (2) is fixedly connected with the upper end face of an annular plate-shaped collector electrode (3), and the arc-shaped emission electrode (1) and the annular plate-shaped collector electrode (3) are coaxially arranged.
2. The annular LED ion wind heat sink according to claim 1, wherein the arc-shaped emitter electrode (1) is disposed at a center position of the annular plate-shaped collector electrode (3).
3. The annular LED ion wind heat sink according to claim 1, wherein the vertical distance between the arc-shaped emitter electrode (1) and the annular plate-shaped collector electrode (3) is 8-15 mm.
4. The annular LED ion wind heat sink according to claim 1, wherein the voltage between the arc-shaped emitter electrode (1) and the annular plate-shaped collector electrode (3) is ± 5kV to ± 10 kV.
5. The annular LED ion wind heat sink according to claim 1, wherein the surface of the arc-shaped emitter electrode (1) is coated with a graphene coating.
6. The annular LED ion wind heat dissipation device according to claim 1, wherein the upper end face of the annular plate-shaped collector electrode (3) is fixedly connected with the housing (4), and the bottom of the annular plate-shaped collector electrode (3) is fixedly connected with the LED heat source (5); the shell (4) is hollow ring shape, arc emitting electrode (1) with high voltage power supply (2) all locate in shell (4), be equipped with a plurality of ventilation holes (40) on shell (4), ventilation hole (40) are followed the circumferencial direction align to grid of shell (4).
7. The annular LED ion wind heat sink according to claim 6, wherein the ventilation holes (40) comprise an upper ventilation hole (401) disposed on the upper end face of the housing (4) and a side ventilation hole (402) disposed on the side face of the housing (4).
8. The annular LED ion wind heat sink according to claim 6, wherein the vent holes (40) are coated with MnO2A catalyst layer of said manganese dioxide MnO2The catalyst layer is used to remove ozone.
9. The annular LED ion wind heat dissipation device according to claim 6, wherein the housing (4) is made of an insulating and heat conducting material, and the annular plate-shaped collector electrode (3) is made of an aluminum alloy.
10. The annular LED ion wind heat sink according to claim 6, wherein a thermally conductive silicone grease coating is applied between the annular plate-like collector (3) and the LED heat source (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021779139.8U CN212753032U (en) | 2020-08-24 | 2020-08-24 | Annular LED ionic wind heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021779139.8U CN212753032U (en) | 2020-08-24 | 2020-08-24 | Annular LED ionic wind heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212753032U true CN212753032U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021779139.8U Expired - Fee Related CN212753032U (en) | 2020-08-24 | 2020-08-24 | Annular LED ionic wind heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212753032U (en) |
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2020
- 2020-08-24 CN CN202021779139.8U patent/CN212753032U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210319 Termination date: 20210824 |