CN111614002B - Multi-fan self-rotation heat dissipation type electric power cabinet - Google Patents
Multi-fan self-rotation heat dissipation type electric power cabinet Download PDFInfo
- Publication number
- CN111614002B CN111614002B CN202010571141.4A CN202010571141A CN111614002B CN 111614002 B CN111614002 B CN 111614002B CN 202010571141 A CN202010571141 A CN 202010571141A CN 111614002 B CN111614002 B CN 111614002B
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- cabinet body
- conducting strip
- bevel gear
- cabinet
- heat dissipation
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a multi-fan self-rotating heat dissipation type electric power cabinet which comprises a cabinet body, wherein a sliding cavity is formed in the side wall of the lower end of the cabinet body, a first conducting strip is connected in the sliding cavity in a sealing and sliding mode, a closed cavity, located at the end part of the first conducting strip and the sliding cavity, in the sliding cavity is filled with thermal evaporation liquid, and the other end of the sliding cavity is fixedly connected with a second conducting strip coupled with a circuit in the cabinet body. According to the invention, by arranging the first conducting strip, the second conducting strip, the wind cups, the heat dissipation fans, the driving mechanism and the transmission mechanism, high temperature in the electric power cabinet can be used as driving force, so that a circuit where the springs are located is conducted, the springs are electrified and shaken, the elastic air bags spray air flow to the wind cups, and the wind cups are used as intermediaries to drive the heat dissipation fans to rotate, so that the purposes of heat dissipation and temperature reduction of the electric power cabinet are achieved, the electric elements in the cabinet body are effectively protected, the service life of the electric elements is prolonged, and impurities or water stains can be effectively prevented from entering the cabinet body.
Description
Technical Field
The invention relates to the field of electric power cabinets, in particular to a multi-fan self-rotating heat dissipation type electric power cabinet.
Background
The power cabinet is one of the most common and important devices in the field of infrastructure, and is used for installing circuits and power components, and a large number of power components are installed inside the power cabinet. Inside each item circuit component structure of electric power cabinet is comparatively complicated, and electrical components when in the switch board is in high load operating condition, can produce a large amount of heats, if not in time with these heats go, then can cause the damage to electrical components in the cabinet to light then lead to the unable normal use of electrical apparatus that the electric power cabinet supplied with, heavy then causes the power consumption incident.
The heat abstractor of current electric power cabinet generally sets up the radiating groove at the lateral wall of electric power cabinet, ventilates the heat dissipation through the radiating groove, nevertheless in order to prevent debris or water stain entering cabinet, the radiating groove area is generally very little, this just leads to the ventilation effect not good, and current radiator fan generally needs operating personnel hand switch, not only wastes time and trouble, in case operating personnel does not in time open radiator fan slightly carelessly, just can lead to the electric power cabinet to dispel the heat untimely, thereby cause not good consequence.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a multi-fan self-rotating heat dissipation type electric power cabinet.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-fan self-rotation heat dissipation type electric power cabinet comprises a cabinet body, wherein a sliding cavity is formed in the side wall of the lower end of the cabinet body, a first conducting strip is connected in the sliding cavity in a sealing and sliding mode, a heat evaporation liquid is filled in a sealed cavity at the end part of the first conducting strip and the sliding cavity in the sliding cavity, a second conducting strip coupled with a circuit in the cabinet body is fixedly connected at the other end of the sliding cavity, a heat conducting plate in contact with the heat evaporation liquid is embedded at the bottom in the cabinet body, a rectangular groove is formed in the side wall of the upper end of the cabinet body, a wind cup is rotatably connected in the rectangular groove through a rotating shaft, a device cavity is formed in the side wall of the upper end of the cabinet body, an elastic air bag is fixedly connected at the top in the device cavity, a driving mechanism for driving the wind cup to rotate is installed in the elastic air bag, the lower end of the rotating shaft extends into the cabinet body, circular heat dissipation grooves are formed in the side wall of the cabinet body, the outer end opening part fixedly connected with dust screen of radiating groove, be connected with radiator fan through the fixed axle rotation on the dust screen, install in the pivot and be used for driving radiator fan pivoted drive mechanism.
Preferably, actuating mechanism includes the equipartition at the inside spring of elasticity gasbag, spring fixed connection is between the interior top and the interior bottom of elasticity gasbag, the both ends of spring respectively with first conducting strip and second conducting strip coupling, the upper end of elasticity gasbag passes through intake pipe and external intercommunication, install the check valve in the intake pipe, the side of elasticity gasbag passes through outlet duct and rectangular channel intercommunication, install the check valve in the outlet duct.
The invention has the following beneficial effects:
1. by arranging the first conducting strip, the second conducting strip, the wind cup, the driving mechanism and the transmission mechanism, when the temperature in the cabinet body is higher due to the work of an electric element, the heat conducting plate transfers the temperature to the heat evaporation liquid, the heat evaporation liquid is heated and evaporated, thereby pushing the first conducting strip to slide and contact with the second conducting strip, and conducting a circuit, the circuit in the cabinet body starts to supply pulse current to the spring, and the spring can generate continuous shaking after being introduced with the pulse current, thereby driving the continuous contraction and recovery of the elastic airbags, so that the plurality of elastic airbags jointly supply air to the rectangular groove, the wind cup and the rotating shaft are driven by airflow to rotate, the rotating shaft enables each radiating fan to start rotating through the meshing action between the first bevel gear and the second bevel gear, thereby extracting the high-temperature gas in the cabinet body to achieve the purpose of radiating and cooling the electric cabinet, and effectively protecting the electric element in the cabinet body, the service life of the electrical appliance element is prolonged;
2. through the radiator fan who sets up multiple self-rotation formula, can oneself rotate when the internal high temperature of cabinet, need not operating personnel manual switch, it is comparatively convenient, avoided radiator fan to open untimely problem, radiator fan sets up in the radiating groove simultaneously, can rotate the in-process and form the negative pressure, and the radiating groove is located the internal partial atmospheric pressure of cabinet and is higher than outside atmospheric pressure, and it is internal effectively to prevent debris or water stain entering cabinet.
Drawings
Fig. 1 is a schematic structural diagram of a multi-fan self-rotating heat dissipation type electric power cabinet according to the present invention;
fig. 2 is a sectional view taken at a-a of fig. 1.
In the figure: the device comprises a cabinet body 1, a sliding cavity 2, a heat conducting plate 3, a first conducting plate 4, a second conducting plate 5, a device cavity 6, an elastic air bag 7, a spring 8, an air inlet pipe 9, an air outlet pipe 10, an air cup 11, a rotating shaft 12, a rectangular groove 13, a heat radiating groove 14, a dust screen 15, a heat radiating fan 16, a first bevel gear 17 and a second bevel gear 18.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-2, a multi-fan self-rotation heat dissipation type electric power cabinet comprises a cabinet body 1, a sliding cavity 2 is formed in the side wall of the lower end of the cabinet body 1, a first conducting strip 4 is connected in the sliding cavity 2 in a sealing and sliding mode, a closed cavity at the end part of the first conducting strip 4 and the sliding cavity 2 in the sliding cavity 2 is filled with heat evaporation liquid, a second conducting strip 5 coupled with a circuit in the cabinet body is fixedly connected to the other end of the sliding cavity 2, a heat conducting plate 3 in contact with the heat evaporation liquid is embedded in the bottom in the cabinet body 1, a rectangular groove 13 is formed in the side wall of the upper end of the cabinet body 1, a wind cup 11 is rotatably connected in the rectangular groove 13 through a rotating shaft 12, a device cavity 6 is formed in the side wall of the upper end of the cabinet body 1, and an elastic air bag 7 is fixedly connected to the top in the device cavity 6.
Furthermore, the second conducting strip 5 is externally connected with a pulse current converter when being coupled with a circuit in the cabinet body 1, and when the second conducting strip 5 is connected with the circuit, pulse current can be supplied to a subsequent electric appliance; and the sliding cavity 2 is positioned at the end part of the second conducting strip 5 and communicated with the outside, and the sliding of the first conducting strip 4 is not hindered by air pressure.
Furthermore, the thermal evaporation liquid adopts trichloromethane, the boiling temperature of the trichloromethane is 61-62 ℃, and the normal working temperature of electrical elements in the electric power cabinet is-20-60 ℃, so when the temperature in the cabinet body 1 is too high, close to or even exceeds 60 ℃, the evaporation liquid starts to evaporate.
Install in the elasticity gasbag 7 and be used for driving 11 pivoted actuating mechanism of cup, actuating mechanism includes the equipartition at the inside spring 8 of elasticity gasbag 7, spring 8 fixed connection is between the interior top and the interior bottom of elasticity gasbag 7, spring 8's both ends respectively with first conducting strip 4 and the coupling of second conducting strip 5, the upper end of elasticity gasbag 7 is passed through intake pipe 9 and external intercommunication, install the check valve that only allows the air to flow to elasticity gasbag 7 from the external world in the intake pipe 9, the side of elasticity gasbag 7 passes through outlet duct 10 and rectangular channel 13 intercommunication, install the check valve that only allows the air to flow to rectangular channel 13 from elasticity gasbag 7 in the outlet duct 10.
It should be noted that, when current is applied to the two ends of the spring 8, the single turns of the spring 8 are not in contact with or insulated from each other, so when the spring 8 is energized, each turn of the spring is used as an energized solenoid, wherein a circular current exists, and since the current direction in each turn of the spring 8 is the same, the unlike magnetic poles of the energized solenoids are opposite to each other and the turns of the spring 8 are attracted to each other according to the ampere law, so that the spring 8 is shrunk as a whole, and the spring 8 is shrunk no matter the result of the energization of the alternating current or the direct current is the same.
The lower extreme of pivot 12 extends to in the cabinet body 1, all is equipped with circular shape radiating groove 14 on the lateral wall of the cabinet body 1, and the outer end opening part fixedly connected with dust screen 15 of radiating groove 14 is connected with radiator fan 16 through the fixed axle rotation on the dust screen 15, installs the drive mechanism who is used for driving radiator fan 16 pivoted on the pivot 12.
The transmission mechanism comprises a first bevel gear 17 and a second bevel gear 18, the first bevel gear 17 is coaxially and fixedly connected to the rotating shaft 12, the second bevel gear is coaxially and fixedly connected to the fixed shaft, and the first bevel gear 17 is meshed with the second bevel gear 18.
In the invention, when the temperature in the cabinet body 1 is higher due to the operation of electrical components, the heat conducting plate 3 transmits the temperature to the heat evaporation liquid, the heat evaporation liquid is heated and evaporated, the air pressure in the cavity in which the heat evaporation liquid is positioned is increased, so that the first conducting plate 4 is pushed to slide, the first conducting plate 4 is contacted with the second conducting plate 5, the circuit is conducted, the circuit in the cabinet body 1 starts to supply pulse current to the spring 8, the spring 8 generates continuous shaking phenomenon after being introduced with the pulse current, the elastic air bags 7 are driven to be continuously contracted and recovered, air is injected into the rectangular groove 13 through the air outlet pipe 10, so that the plurality of elastic air bags 7 supply air to the rectangular groove 13 together, the air flow drives the air cups 11 and the rotating shaft 12 to rotate, the rotating shaft 12 enables the heat dissipation fans 16 to rotate through the meshing action between the first bevel gear 17 and the second bevel gear 18, and accordingly high-temperature air in the cabinet body 1 is pumped out, the purpose of cooling the electric power cabinet by heat dissipation is achieved, the electric appliance elements in the cabinet body 1 are effectively protected, and the service life of the electric appliance elements is prolonged.
According to the invention, by arranging the multiple self-rotating type radiating fans 16, when the temperature in the cabinet body 1 is too high, the self-rotating type radiating fans can rotate by themselves without manual opening and closing of an operator, so that the operation is more convenient, the problem that the radiating fans 16 are not opened timely is avoided, meanwhile, the radiating fans 16 are arranged in the radiating grooves 14, negative pressure can be formed in the rotating process, the air pressure of the part, located in the cabinet body 1, of the radiating grooves 14 is higher than the external air pressure, and sundries or water stains can be effectively prevented from entering the cabinet body 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The utility model provides a many fans self-rotation heat dissipation formula electric power cabinet, includes the cabinet body (1), its characterized in that, smooth chamber (2) have been seted up in the lower extreme lateral wall of the cabinet body (1), smooth chamber (2) internal seal sliding connection has first conducting strip (4), it has hot evaporating liquid to fill in the airtight cavity of first conducting strip (4) and smooth chamber (2) tip in smooth chamber (2), the other end fixedly connected with of smooth chamber (2) and the second conducting strip (5) of cabinet internal circuit coupling, heat-conducting plate (3) with the contact of hot evaporating liquid are inlayed to the bottom in the cabinet body (1), cabinet body (1) upper end lateral wall has seted up rectangular channel (13), rotate through pivot (12) in rectangular channel (13) and are connected with wind cup (11), seted up device chamber (6) in the upper end lateral wall of the cabinet body (1), the top is fixed connection elasticity gasbag (7) in device chamber (6), install in elasticity gasbag (7) and be used for driving wind cup (11) pivoted actuating mechanism, actuating mechanism includes spring (8) of equipartition in elasticity gasbag (7) inside, spring (8) fixed connection is between the interior top and the interior bottom of elasticity gasbag (7), the both ends of spring (8) respectively with first conducting strip (4) and second conducting strip (5) coupling, the upper end of elasticity gasbag (7) is through intake pipe (9) and external intercommunication, install the check valve in intake pipe (9), the side of elasticity gasbag (7) passes through outlet duct (10) and rectangular channel (13) intercommunication, install the check valve in outlet duct (10), the lower extreme of pivot (12) extends to in the cabinet body (1), all be equipped with circular shape radiating groove (14) on the lateral wall of the cabinet body (1), the opening part fixedly connected with dust screen (15) in radiating groove (14), the dustproof net (15) is rotatably connected with a radiating fan (16) through a fixed shaft, a transmission mechanism for driving the radiating fan (16) to rotate is installed on the rotating shaft (12), the transmission mechanism comprises a first bevel gear (17) and a second bevel gear (18), the first bevel gear (17) is coaxially and fixedly connected to the rotating shaft (12), the second bevel gear is coaxially and fixedly connected to the fixed shaft, the first bevel gear (17) is meshed with the second bevel gear (18), when the temperature is higher due to the operation of an electrical component in the cabinet body (1), the heat conduction plate (3) transfers the temperature to heat evaporation liquid, the heat evaporation liquid is heated and evaporated, the pressure in a cavity in which the heat evaporation liquid is positioned is increased, so that the first conductive plate (4) is pushed to slide, the first conductive plate (4) is contacted with the second conductive plate (5), a circuit is conducted, and a circuit in the cabinet body (1) starts to supply pulse current to the spring (8), spring (8) let in and can produce lasting shake phenomenon behind the pulse current, thereby can drive the continuous shrink of elasticity gasbag (7), resume, and then jet-propelled in rectangular channel (13) through outlet duct (10), thereby a plurality of elasticity gasbags (7) are jointly to rectangular channel (13) internal gas feed, air current drive wind cup (11) and pivot (12) rotate, pivot (12) are through the meshing effect between first bevel gear (17) and second bevel gear (18), make each radiator fan (16) begin to rotate, thereby take out the high temperature gas in the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010571141.4A CN111614002B (en) | 2020-06-22 | 2020-06-22 | Multi-fan self-rotation heat dissipation type electric power cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010571141.4A CN111614002B (en) | 2020-06-22 | 2020-06-22 | Multi-fan self-rotation heat dissipation type electric power cabinet |
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| Publication Number | Publication Date |
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| CN111614002A CN111614002A (en) | 2020-09-01 |
| CN111614002B true CN111614002B (en) | 2021-12-10 |
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| CN202010571141.4A Active CN111614002B (en) | 2020-06-22 | 2020-06-22 | Multi-fan self-rotation heat dissipation type electric power cabinet |
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| DE102009006924B3 (en) * | 2009-02-02 | 2010-08-05 | Knürr AG | Operating method and arrangement for cooling electrical and electronic components and modular units in equipment cabinets |
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| CN111614002A (en) | 2020-09-01 |
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Effective date of registration: 20211124 Address after: 212200 No. 65 Sanxing Road, Yangzhong Economic Development Zone, Zhenjiang City, Jiangsu Province Applicant after: ZHENJIANG MINGCHI ELECTRICAL Co.,Ltd. Address before: 430056 Huading Industrial Park, Wuhan Economic and Technological Development Zone, Hubei Province Applicant before: Yang Wei |
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