CN112332278B - Switch cabinet cooling fan and high-current gas insulation switch cabinet thereof - Google Patents
Switch cabinet cooling fan and high-current gas insulation switch cabinet thereof Download PDFInfo
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- CN112332278B CN112332278B CN202011245390.0A CN202011245390A CN112332278B CN 112332278 B CN112332278 B CN 112332278B CN 202011245390 A CN202011245390 A CN 202011245390A CN 112332278 B CN112332278 B CN 112332278B
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- groove
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- fixedly connected
- rotary table
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
Abstract
The invention discloses a switch cabinet cooling fan and a large-current gas insulation switch cabinet thereof, which comprise a rotary table and a control ring, wherein the side surface of the rotary table is fixedly connected with a plurality of cooling blades, one end of an extrusion rod extending into an extrusion groove is fixedly connected with a push plate, two sides of a rod body of the extrusion rod extending into the extrusion groove are respectively and fixedly connected with an extrusion plate, a porous elastic plate is movably arranged in a dehumidification groove, the extrusion plates are matched with the porous elastic plates, one end of the extrusion rod extending out of the open groove is fixedly connected with a magnetic column, and the inner side wall of the control ring is fixedly connected with a plurality of electromagnets. Achieving the dehumidification effect.
Description
Technical Field
The invention relates to the technical field of switch cabinet heat dissipation, in particular to a switch cabinet heat dissipation fan and a large-current gas insulation switch cabinet thereof.
Background
In order to improve heat dissipation performance, the existing switch cabinet generally adopts methods such as forming heat dissipation holes, installing a heat dissipation fan or adopting a refrigerator for refrigeration, but the methods all have respective defects, such as: the heat dissipation holes are in a natural convection heat dissipation mode, and the heat dissipation capacity is poor; the heat dissipation fan is a forced convection heat dissipation mode, the heat dissipation performance depends on the external temperature, and if the difference between the external temperature and the internal temperature of the switch cabinet is not large, the heat dissipation capacity is poor; the refrigeration and heat dissipation of the refrigerator lead the water vapor in the switch cabinet to be condensed into liquid, which causes harm to electronic elements.
Among the prior art, the high-low voltage switch cabinet of application number "201810525100.4" for automatically improving heat dispersion's, including the cubical switchboard body, the louvre has been seted up to cubical switchboard body both sides, and cubical switchboard body both sides are provided with cooling fan, still is provided with temperature sensor and controller in the cubical switchboard body, adjusts cooling fan's switch through the controller, realizes the inside temperature regulation of cubical switchboard.
However, the prior art still has more defects, such as: when the outside temperature is not big with the inside temperature of cubical switchboard difference like under the condition of insolate summer, exchange the heat transfer through radiator fan to the inside and outside air of cubical switchboard, the radiating efficiency is low, can't reduce the inside temperature of cubical switchboard.
Disclosure of Invention
The present invention provides a heat dissipation fan for a switch cabinet and a high current gas insulated switch cabinet thereof, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a radiating fan of a switch cabinet comprises a rotary table and a control ring, wherein a plurality of radiating blades are fixedly connected to the side surface of the rotary table, and the radiating blades are positioned between the rotary table and the control ring;
an extension groove is formed in one side, close to the control ring, of each radiating blade, an extrusion groove is communicated with the middle of one end, close to the rotary table, of each extension groove, a plurality of injection holes are connected to one end, close to the rotary table, of each extrusion groove, an evaporation cavity is connected to one end, close to the rotary table, of each injection hole, and a coolant is filled in each evaporation cavity;
both sides of one end, close to the rotary table, of the extending groove are respectively connected with a dehumidification groove, one side, far away from the extrusion groove, of each dehumidification groove is connected with an open groove, one end, close to the rotary table, of each dehumidification groove is connected with a plurality of drainage grooves, and one end, far away from the dehumidification grooves, of each drainage groove is connected with a water storage groove;
an extrusion rod movably penetrates through the extension groove, one end of the extrusion rod, which is close to the rotary table, movably extends into the extrusion groove, one end of the extrusion rod, which extends into the extrusion groove, is fixedly connected with a push plate, two sides of a rod body of the extrusion rod, which extends into the extension groove, are respectively and fixedly connected with an extrusion plate, a porous elastic plate is movably arranged in the dehumidification groove, and the extrusion plates are matched with the porous elastic plates;
one end of the extrusion rod, which is close to the control ring, movably extends out of the extension groove, one end of the extrusion rod, which extends out of the extension groove, is fixedly connected with a magnetic column, and the inner side wall of the control ring is fixedly connected with a plurality of electromagnets;
a condensation reflux groove is formed in the rotary table, a coolant channel is connected between the condensation reflux groove and the evaporation cavity, and the condensation reflux groove is connected with a condensation box.
Preferably, one end of the porous elastic plate close to the turntable is fixedly connected to the inner wall of the dehumidification groove, and one end of the porous elastic plate close to the control ring is fixedly connected with the extrusion plate.
Preferably, the magnetic column and the electromagnet have the same magnetism at the end close to each other.
Preferably, the condenser box is fixedly arranged above the rotary table, a rotary shaft is fixedly connected below the rotary table, and the rotary shaft is fixedly arranged on the driving motor.
A high-current gas insulation switch cabinet comprises a switch cabinet main body and the switch cabinet cooling fan.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat dissipation blades of the device are driven by the rotary disc to rotate to perform forced convection heat transfer, meanwhile, the coolant in the evaporation cavity evaporates and absorbs heat to reduce the temperature of the heat dissipation blades, and the heat dissipation blades are contacted with air in the rotating process, so that the temperature in the switch cabinet main body is reduced, the cooling effect is achieved, compared with the method of simply utilizing the outside air to exchange heat with the air in the switch cabinet, the heat exchange efficiency is improved, and the problem of low heat exchange efficiency when the temperature difference between the inside and the outside of the switch cabinet is not large is solved;
2. the device enables the coolant in the extrusion groove to be injected into the evaporation cavity through the injection hole through the matching of the electromagnet and the magnetic column, so that the pressure of the coolant is reduced, the flowing low-pressure coolant is easier to evaporate and absorb heat, and the refrigeration performance of the radiating blade is improved;
3. this device is provided with porous elastic plate to moisture in the absorption air through stretching of porous elastic plate, and the compression through porous elastic plate is discharged absorbent moisture into the aqua storage tank, has solved the inside dehumidification problem of cubical switchboard, and the restoration of resetting through stretching of porous elastic plate also drives the restoration of extrusion pole, has strengthened the linkage nature and the stability of whole device.
According to the switch cabinet cooling fan and the high-current gas insulation switch cabinet thereof, the heat dissipation and cooling performance is improved by evaporating and absorbing heat of the coolant in the evaporation cavity, the coolant in the extrusion groove is injected into the evaporation cavity through the injection hole through the matching of the electromagnet and the magnetic column, the heat dissipation and cooling performance is further improved, the moisture in the air is adsorbed by the porous elastic plate, the dehumidification effect is achieved, the use is convenient and reliable, and the switch cabinet cooling fan is very worthy of popularization.
Drawings
FIG. 1 is a top view of a heat dissipation fan of the present invention;
FIG. 2 is a schematic diagram of the movement of the magnetic column driving the extrusion rod according to the present invention;
FIG. 3 is an enlarged view of the structure of area A in FIG. 2;
FIG. 4 is a schematic view of the present invention showing the multi-hole elastic plate pushing the pressing plate to return;
FIG. 5 is an enlarged view of the structure of the area B in FIG. 4;
FIG. 6 is a front view of the heat dissipation fan of the present invention;
FIG. 7 is a side view of a cooling fin of the present invention;
fig. 8 is a schematic cross-sectional view of the overall structure of the present invention.
In the figure: 1 rotary table, 101 condensation return groove, 2 heat radiation blade, 21 extending groove, 22 extruding groove, 23 jet hole, 24 evaporating cavity, 25 dehumidifying groove, 26 open groove, 27 drain groove, 28 water storage groove, 29 coolant channel, 3 control ring, 4 extruding rod, 41 extruding plate, 5 pushing plate, 6 porous elastic plate, 7 magnetic column, 8 electromagnet, 9 condensation box, 10 rotating shaft, 11 driving motor, 12 switch cabinet main body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution:
a switch cabinet cooling fan comprises a rotary table 1 and a control ring 3, wherein a plurality of cooling blades 2 are fixedly connected to the side surface of the rotary table 1, the cooling blades 2 are driven by the rotary table 1 to rotate to perform forced convection heat exchange, and the cooling blades 2 are positioned between the rotary table 1 and the control ring 3;
an extension groove 21 is formed in one side, close to the control ring 3, of each radiating blade 2, an extrusion groove 22 is communicated with the middle of one end, close to the rotary table 1, of the extension groove 21, a plurality of jet holes 23 are connected to one end, close to the rotary table 1, of the extrusion groove 22, an evaporation cavity 24 is connected to one end, close to the rotary table 1, of the jet holes 23, a coolant is filled in the evaporation cavity 24, the coolant evaporates and absorbs heat, the temperature of the radiating blades 2 is reduced, the radiating blades 2 are in contact with air in the rotating process, therefore, the temperature inside the switch cabinet main body 12 is reduced, the cooling effect is achieved, and the coolant enters the extrusion groove 22 through the jet holes 23 under the centrifugal force effect in the rotating process of the radiating blades 2;
both sides of one end of the extension groove 21 close to the rotary table 1 are respectively connected with a dehumidification groove 25, one side of the dehumidification groove 25 far away from the extrusion groove 22 is connected with an open groove 26, one end of the dehumidification groove 25 close to the rotary table 1 is connected with a plurality of drainage grooves 27, and one end of the drainage groove 27 far away from the dehumidification groove 25 is connected with a water storage groove 28;
the extrusion rod 4 movably penetrates through the extension groove 21, one end of the extrusion rod 4, which is close to the rotary table 1, movably extends into the extrusion groove 22, one end of the extrusion rod 4, which extends into the extrusion groove 22, is fixedly connected with a push plate 5, two sides of a rod body of the extrusion rod 4, which extends into the extension groove 21, are respectively and fixedly connected with extrusion plates 41, a porous elastic plate 6 is movably arranged in the dehumidification groove 25, the extrusion plates 41 are matched with the porous elastic plate 6, when the extrusion rod 4 moves towards the direction close to the rotary table 1, the extrusion rod 4 pushes the push plate 5, so that a coolant in the extrusion groove 22 is injected into the evaporation cavity 23 through the injection holes 24, the pressure of the coolant is reduced, the flowing low-pressure coolant is easier to evaporate and absorb heat, the refrigeration performance of the radiating blades 2 is improved, the extrusion rod 4 drives the extrusion plates 41 to move towards the direction close to the rotary table 1, the extrusion plates 41 extrude the porous elastic plate 6, so that water in the porous elastic plate 6 is extruded and enters the water storage groove 28 through the drainage groove 27, air in the porous elastic plate 6 is extruded and exhausted, the porous elastic plate 6 moves towards the direction close to the control circular ring 3 under the action of the elasticity of the porous elastic plate 6, the extrusion rod 4 is driven to reset through the extrusion plate 41, in the process that the porous elastic plate 6 is stretched, the air enters the porous elastic plate 6 through the open slot 26, and water in the air is attached to the inside of the porous elastic plate 6, so that the dehumidification effect is achieved;
when the magnetic column 7 moves to a position close to the electromagnet 8, the magnetic column 7 moves towards a direction far away from the electromagnet 8 under the action of repulsion force, so that the magnetic column 7 drives the extrusion rod 4 to move towards a direction close to the turntable 1;
the inside condensation backward flow groove 101 of having seted up of carousel 1, be connected with coolant passage 29 between condensation backward flow groove 101 and evaporation chamber 24, gaseous state coolant after the evaporation passes through coolant passage 29 and gets into condensation backward flow groove 101, condensation backward flow groove 101 is connected with condensing box 9, gaseous state coolant in condensation backward flow groove 101 is recondensed into liquid under the effect of condensing box 9, and under the centrifugal force effect of radiator vane 2 pivoted, liquid coolant passes through coolant passage 29 and gets into evaporation chamber 24 once more.
Specifically, one end of the porous elastic plate 6 close to the turntable 1 is fixedly connected to the inner wall of the dehumidification groove 25, and one end of the porous elastic plate 6 close to the control ring 3 is fixedly connected to the extrusion plate 41, so that when the extrusion plate 41 moves towards the direction close to the dehumidification groove 25, the porous elastic plate 6 is compressed, and when the extrusion plate 41 moves towards the direction away from the dehumidification groove 25, the porous elastic plate 6 is stretched.
Specifically, the magnetism of the end of the magnetic column 7 close to the electromagnet 8 is the same as that of the end of the electromagnet 8 close to the magnetic column 7, so that when the magnetic column 7 moves to the position close to the electromagnet 8, the electromagnet 8 repels the magnetic column 7, and the magnetic column 7 moves in the direction away from the electromagnet 8.
Specifically, the condenser box 9 is fixedly arranged above the turntable 1, a rotating shaft 10 is fixedly connected below the turntable 1, the rotating shaft 10 is fixedly arranged on a driving motor 11, and the driving motor 11 provides power for the rotation of the turntable 1.
A high-current gas insulation switch cabinet comprises a switch cabinet main body 12 and the switch cabinet cooling fan, wherein the switch cabinet cooling fan is located inside the switch cabinet main body 12 and used for cooling and radiating the inside of the switch cabinet main body 12.
The working principle is as follows: the radiating blades 2 are driven by the rotary table 1 to rotate, forced convection heat exchange is carried out, the coolant in the evaporation cavity 24 evaporates and absorbs heat, the temperature of the radiating blades 2 is reduced, and the coolant enters the extrusion groove 22 through the injection holes 23 under the action of centrifugal force in the rotating process of the radiating blades 2;
when the magnetic column 7 moves to a position close to the electromagnet 8, the magnetic column 7 moves in a direction far away from the electromagnet 8 under the action of repulsive force, the magnetic column 7 drives the extrusion rod 4 to move in a direction close to the turntable 1, the extrusion rod 4 pushes the push plate 5, and the coolant in the extrusion groove 22 is injected into the evaporation cavity 23 through the injection hole 24, so that the refrigerating performance of the radiating blade 2 is improved;
the extrusion rod 4 drives the extrusion plate 41 to move towards the direction close to the turntable 1, the extrusion plate 41 extrudes the porous elastic plate 6, so that water in the porous elastic plate 6 is extruded out and enters the water storage tank 28 through the drainage tank 27, and air in the porous elastic plate 6 is extruded and exhausted;
when the magnetic column 7 leaves the electromagnet 8, the porous elastic plate 6 moves towards the direction close to the control ring 3 under the action of the elasticity of the porous elastic plate, the extrusion rod 4 is driven to reset through the extrusion plate 41, air enters the porous elastic plate 6 through the open slot 25 in the process of stretching the porous elastic plate 6, and moisture in the air is adhered to the inside of the porous elastic plate 6;
the vaporized gaseous coolant enters the condensate return tank 101 through the coolant passage 29, and the gaseous coolant in the condensate return tank 101 is re-condensed into liquid by the condenser tank 9 and re-enters the evaporation chamber 24 through the coolant passage 29 by centrifugal force.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a cubical switchboard radiator fan which characterized in that: the cooling device comprises a rotary table (1) and a control ring (3), wherein a plurality of radiating blades (2) are fixedly connected to the side surface of the rotary table (1), and the radiating blades (2) are positioned between the rotary table (1) and the control ring (3);
one side, close to the control ring (3), of each radiating blade (2) is provided with an extending groove (21), the middle part of one end, close to the rotary table (1), of each extending groove (21) is communicated with an extrusion groove (22), one end, close to the rotary table (1), of each extrusion groove (22) is connected with a plurality of injection holes (23), one end, close to the rotary table (1), of each injection hole (23) is connected with an evaporation cavity (24), and the evaporation cavities (24) are filled with a coolant;
both sides of one end, close to the turntable (1), of each extending groove (21) are respectively connected with a dehumidifying groove (25), one side, far away from the extrusion groove (22), of each dehumidifying groove (25) is connected with an open groove (26), one end, close to the turntable (1), of each dehumidifying groove (25) is connected with a plurality of water draining grooves (27), and one end, far away from the dehumidifying grooves (25), of each water draining groove (27) is connected with a water storage groove (28);
an extrusion rod (4) movably penetrates through the extending groove (21), one end, close to the rotary table (1), of the extrusion rod (4) movably extends into the extrusion groove (22), a push plate (5) is fixedly connected with one end, extending into the extrusion groove (22), of the extrusion rod (4), extrusion plates (41) are fixedly connected with two sides of a rod body, extending into the extending groove (21), of the extrusion rod (4), porous elastic plates (6) are movably arranged in the dehumidification groove (25), and the extrusion plates (41) are matched with the porous elastic plates (6);
one end, close to the control circular ring (3), of the extrusion rod (4) movably extends out of the extension groove (21), one end, extending out of the extension groove (21), of the extrusion rod (4) is fixedly connected with a magnetic column (7), and the inner side wall of the control circular ring (3) is fixedly connected with a plurality of electromagnets (8);
the rotary disc (1) is internally provided with a condensation reflux groove (101), a coolant channel (29) is connected between the condensation reflux groove (101) and the evaporation cavity (24), and the condensation reflux groove (101) is connected with a condensation box (9).
2. The heat dissipation fan for switch cabinets of claim 1, wherein: one end of the porous elastic plate (6) close to the turntable (1) is fixedly connected to the inner wall of the dehumidification groove (25), and one end of the porous elastic plate (6) close to the control ring (3) is fixedly connected with the extrusion plate (41).
3. The heat dissipation fan for switch cabinets of claim 1, wherein: the magnetism of one end of the magnetic column (7) close to the electromagnet (8) is the same.
4. The heat dissipation fan for switch cabinet as claimed in claim 1, wherein: the condensing box (9) is fixedly arranged above the turntable (1), a rotating shaft (10) is fixedly connected below the turntable (1), and the rotating shaft (10) is fixedly arranged on the driving motor (11).
5. A high-current gas-insulated switchgear, comprising a switchgear body (12), characterized in that: the switch cabinet heat dissipation fan as recited in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011245390.0A CN112332278B (en) | 2020-11-10 | 2020-11-10 | Switch cabinet cooling fan and high-current gas insulation switch cabinet thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011245390.0A CN112332278B (en) | 2020-11-10 | 2020-11-10 | Switch cabinet cooling fan and high-current gas insulation switch cabinet thereof |
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| Publication Number | Publication Date |
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| CN112332278A CN112332278A (en) | 2021-02-05 |
| CN112332278B true CN112332278B (en) | 2022-07-08 |
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| CN202011245390.0A Active CN112332278B (en) | 2020-11-10 | 2020-11-10 | Switch cabinet cooling fan and high-current gas insulation switch cabinet thereof |
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| CN115036817B (en) * | 2021-11-30 | 2023-03-10 | 江苏电子信息职业学院 | Radiating 10kV cubical switchboard of inner loop |
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| US5660149A (en) * | 1995-12-21 | 1997-08-26 | Siemens Electric Limited | Total cooling assembly for I.C. engine-powered vehicles |
| DE19753373A1 (en) * | 1996-12-10 | 1998-06-25 | Papst Motoren Gmbh & Co Kg | Housing for axial cooling fan for EMC-screened apparatus, such as CPU |
| US10280935B2 (en) * | 2016-04-26 | 2019-05-07 | Parker-Hannifin Corporation | Integral fan and airflow guide |
| CN206931853U (en) * | 2017-04-28 | 2018-01-26 | 宿迁学院 | A kind of constant temperature High-low voltage switch cabinet |
| CN207409896U (en) * | 2017-11-29 | 2018-05-25 | 澳盛电气（深圳）有限公司 | A kind of dehumidifying heat dissipation type low-voltage distribution cabinet |
| CN209658161U (en) * | 2019-04-26 | 2019-11-19 | 杨中秋 | A kind of computer chip water cooling plant |
| CN110475461B (en) * | 2019-08-07 | 2020-06-26 | 东莞市宇湖电子科技有限公司 | Portable solar energy storage charger baby |
| CN210829463U (en) * | 2019-11-15 | 2020-06-23 | 麦登(房县)汽车附件有限公司 | Engine cooling fan with changeable angle |
| CN210669237U (en) * | 2019-12-09 | 2020-06-02 | 重庆重开电气有限公司 | Dehumidification device for switch cabinet |
| CN211790287U (en) * | 2020-01-06 | 2020-10-27 | 山东光韵智能科技有限公司 | Heat dissipation device for switch cabinet |
| CN111615304A (en) * | 2020-05-28 | 2020-09-01 | 梁仕华 | Big data server is with intelligent ventilation governing system |
| CN111799672A (en) * | 2020-07-17 | 2020-10-20 | 刘晓芳 | Switch board with from function of putting out a fire |
| CN111900807B (en) * | 2020-07-21 | 2023-11-17 | 福建清诚科技有限公司 | Intelligent wearing equipment |
| CN111817147B (en) * | 2020-08-13 | 2021-03-19 | 牡丹江鸿鑫设备制造有限公司 | Outdoor rainproof type electric power cabinet |
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