CN111130001B - Indoor AC metal armoured movable switch equipment - Google Patents
Indoor AC metal armoured movable switch equipment Download PDFInfo
- Publication number
- CN111130001B CN111130001B CN202010056225.4A CN202010056225A CN111130001B CN 111130001 B CN111130001 B CN 111130001B CN 202010056225 A CN202010056225 A CN 202010056225A CN 111130001 B CN111130001 B CN 111130001B
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- China
- Prior art keywords
- pipe
- cabinet body
- air
- air outlet
- air inlet
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Classifications
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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
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
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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
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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
Abstract
The invention relates to an indoor alternating current metal armored withdrawable switch device which comprises a cabinet body, wherein an exhaust pipe is arranged in the cabinet body, the exhaust pipe is spirally arranged along the inner peripheral surface of the cabinet body, the outer peripheral surface of the exhaust pipe is provided with a plurality of exhaust holes which are arranged along the axis of the exhaust pipe in a penetrating way, and one end of the exhaust pipe, which is positioned below the cabinet body, extends out of the cabinet body and is communicated with an air outlet pipe which is arranged upwards; the cabinet body is also communicated with an air inlet pipe, the air inlet pipe is vertically arranged and is collinear with the axis of the air outlet pipe, and drying devices are arranged in the air inlet pipe and the air outlet pipe; the fan blade type air inlet pipe is characterized by further comprising a rotating shaft penetrating through the air inlet pipe and the air outlet pipe, the rotating shaft is coaxially rotated in the air inlet pipe and the air outlet pipe and is provided with fan blades, and the rotating shaft is driven by the driving device. Through adopting above-mentioned technical scheme, carry out dry preliminary treatment to the internal air that gets into the cabinet to air to in giving vent to anger carries out the drying, reduces the moisture backward flow, thereby be favorable to keeping the internal drying of cabinet, play through gas circulation and carry out radiating effect to the interior portion of putting the cabinet.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to an indoor alternating current metal armored removable switch device.
Background
At present, the metal armored middle-arranged withdrawable switch equipment is also called a middle-arranged cabinet for short. The indoor complete set of distribution equipment belongs to a high-voltage distribution equipment, the highest working voltage of which is 3.6/7.2/12kV, and is a three-phase alternating-current 50Hz single-bus segmented system or double-bus segmented system. The device is used for receiving and distributing network electric energy of 3.6-12kV, and carrying out control protection, monitoring and measurement on a power circuit. The central switch cabinet is mainly used for power plant, power transmission of small and medium-sized generators, power receiving and power transmission of secondary substation of power system, power distribution of industrial and mining enterprises and institutions, starting of large-scale high-voltage motors and the like.
Put the cabinet in current as a distribution device, when overcast and rainy weather, inside air can be excessively moist, then corrodes in light the inside metal accessories of cabinet in, then causes the internal circuit short circuit heavily, adopts among the prior art to filter the drying with inside air cycle more to guarantee the drying of inner member.
The above prior art solutions have the following drawbacks: electrical components in the centrally installed switchgear can generate a large amount of heat energy in the working process, and the circulating airflow cannot effectively dissipate internal heat, so that the internal heat is accumulated, and the use of electrical equipment is influenced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an indoor alternating current metal armored movable switch device which has the effect of dehumidifying and radiating the interior of a centrally installed switchgear through gas circulation.
The above object of the present invention is achieved by the following technical solutions:
an indoor alternating-current metal-armored withdrawable switch device comprises a cabinet body, wherein an exhaust pipe is arranged in the cabinet body, the exhaust pipe is spirally arranged along the inner circumferential surface of the cabinet body, the outer circumferential surface of the exhaust pipe is provided with a plurality of exhaust holes which are arranged along the axis of the exhaust pipe in a penetrating manner, and one end of the exhaust pipe, which is positioned below the cabinet body, extends out of the cabinet body and is communicated with an air outlet pipe which is arranged upwards; the cabinet body is also communicated with an air inlet pipe, the air inlet pipe is vertically arranged and is collinear with the axis of the air outlet pipe, and drying devices are arranged in the air inlet pipe and the air outlet pipe; the air inlet pipe is connected with the air outlet pipe through a rotating shaft, the rotating shaft penetrates through the air inlet pipe and the air outlet pipe, the rotating shaft is provided with fan blades in the air inlet pipe and the air outlet pipe in a coaxial rotating mode, and the rotating shaft is driven through a driving device.
Through adopting above-mentioned technical scheme, through all being provided with in outlet duct and the inlet tube with the coaxial pivoted flabellum of pivot to under the effect of flabellum, form the negative pressure in outlet duct department, form the malleation in inlet tube department, thereby form the negative pressure to the exhaust tube, make the internal gas of cabinet move to the aspirating hole of exhaust tube and take out from the exhaust tube, the internal gas of cabinet then supplements through the inlet tube, maintains the internal atmospheric pressure balance of cabinet. Wherein the exhaust tube of spiral setting is favorable to becoming the internal air flow direction of cabinet to flowing all around from the center, compare the current no matter the extraction opening is placed in the cabinet body top or the middle cabinet of below, the electrical components quantity that the moisture flowed through in proper order in the cabinet body has been reduced, because put the interior voltage of cabinet higher in, the air that is the compound function vapor of certain flow direction leads to ionization phenomenon easily, lead to dangerous condition such as air breakdown even, consequently compare air flow direction from bottom to top or top-down put the cabinet and have higher factor of safety, the probability of electrical components damage and the loss to personnel's life and property have been reduced. Another advantage lies in through same pivot and drive arrangement drive outlet duct and the flabellum in the inlet tube rotate simultaneously, when keeping the internal air pressure balance of cabinet, has reduced drive arrangement's use, has reduced the manufacturing cost of this cabinet body. Wherein all be provided with drying device in intake pipe and the outlet pipe, carry out dry preliminary treatment to the internal air that gets into the cabinet to air to in the outlet pipe carries out the drying, reduces the moisture backward flow, thereby be favorable to keeping the internal drying of cabinet, play through gas circulation and carry out radiating effect to the interior portion of putting the cabinet in.
The present invention in a preferred example may be further configured to: the air inlet pipe and the air outlet pipe are far away from the end parts of the cabinet body and are provided with arc sections, and the arc sections of the air inlet pipe and the air outlet pipe are arranged towards opposite directions.
Through adopting above-mentioned technical scheme, all be provided with the circular arc section with the end that the cabinet body was kept away from to intake pipe and outlet duct, make the gas outlet of intake pipe and outlet duct set up towards the box to reduce the condition that gets into from the intake pipe again from outlet duct exhaust moisture, be favorable to further improving the internal drying degree of cabinet.
The present invention in a preferred example may be further configured to: the drying device in the air inlet pipe comprises a plurality of independent drying bags, and heating wires are arranged between the adjacent drying bags.
Through adopting above-mentioned technical scheme, set up drying device into independent drying bag, can fill in the drying bag has the drier commonly used such as quick lime, calcium chloride, and wherein the setting of heater strip is used for heating moist drying bag, makes vapor discharge from the air inlet of intake pipe, reduces to reside in drying bag, keeps the intake pipe circulation of air smooth and easy.
The present invention in a preferred example may be further configured to: the drying device in the air outlet pipe comprises a plurality of independent drying bags.
Through adopting above-mentioned technical scheme, be provided with the drying bag in the outlet duct, absorb the moisture of the internal extraction of cabinet, reduce the palirrhea condition of moisture.
The present invention in a preferred example may be further configured to: and one end of the exhaust pipe, which is far away from the air outlet pipe, is plugged.
By adopting the technical scheme, the air exhaust pipe is blocked at the end part far away from the air outlet pipe, so that negative pressure formed by each air exhaust hole is the same, the air in the cabinet at the same level is kept extracted, and uniform dehumidification of each area in the cabinet body is facilitated.
The present invention in a preferred example may be further configured to: the air inlet pipe is communicated with the top end of the cabinet body, and the air outlet pipe is communicated with the bottom end of the cabinet body.
Through adopting above-mentioned technical scheme, communicate the intake pipe in the top of the cabinet body, the outlet duct communicates in the bottom of the cabinet body, because the moisture in the air often is because of the transpiration effect on ground, make the moisture diffuse from bottom to top, through setting up the bottom at the cabinet body with the outlet duct, be favorable to making the gaseous flow direction in the exhaust tube opposite with the transpiration flow direction of moisture, thereby make the moisture successive layer reduce, and in put the female arranging of cabinet generally set up in the top, voltage is higher, above-mentioned setting is favorable to reducing the damage to the internal electrical components of cabinet.
The present invention in a preferred example may be further configured to: the driving device is a motor fixed with the cabinet body, and an output shaft of the motor rotates coaxially with the rotating shaft.
Through adopting above-mentioned technical scheme, rotate through motor drive pivot to can form respectively to intake pipe and outlet duct through single drive arrangement and evaporate pressure and negative pressure, be favorable to reducing drive arrangement's use, reduction in production cost.
The present invention in a preferred example may be further configured to: the outlet of the arc section of the air outlet pipe is vertically arranged downwards, and the drying bag in the air outlet pipe is arranged at the part of the arc section of the air outlet pipe, which is arranged downwards.
Through adopting above-mentioned technical scheme, set up the export of the circular arc section of outlet duct vertically down to set up the drying bag in the part that sets up down of outlet duct, thereby wash when the drying bag and receive the wet gas after, the liquid water that the absorbing vapor in the drying bag formed can flow down and get rid of automatically along the circular arc section under the effect of gravity.
In conclusion, the invention has the following beneficial effects:
1. the air exhaust pipes are spirally arranged along the inner periphery of the cabinet body, and the air exhaust pipes are provided with a plurality of air exhaust holes extending along the axis, so that the air flow direction in the cabinet body is changed into a flow mode flowing from the center to the periphery by the air exhaust pipes arranged spirally, and compared with the existing middle-placed cabinet with an air exhaust opening arranged above or below the cabinet body, the number of electrical equipment elements through which moisture sequentially flows in the cabinet body is reduced, the phenomenon of ionization of air in the cabinet body is avoided, and the corrosion or short circuit of water vapor to the electrical equipment elements is reduced as much as possible;
2. the same rotating shaft is arranged in the air inlet pipe and the air outlet pipe in a penetrating manner, and the rotating shaft coaxially rotates the fan blades in the air inlet pipe and the air outlet pipe, so that the state of negative pressure formed by positive pressure in the air inlet pipe and in the air outlet pipe can be changed through a group of driving devices, moisture in the cabinet body can be pumped out, the stability of air pressure in the cabinet body is maintained, the use of the driving devices is reduced, and the cost is reduced;
3. through be provided with independent drying bag each other in intake pipe and outlet duct, absorb the vapor through intake pipe and outlet duct through drying bag to the drying bag in the intake pipe is heated in the setting of cooperation heating wire, under the state that drive arrangement stopped, can be with the moisture evaporation of the drying bag absorption in the intake pipe and discharge from the air inlet.
Drawings
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a schematic structural view of another angle in the present embodiment;
fig. 3 is a sectional view of the present embodiment.
Reference numerals: 1. a cabinet body; 2. an air exhaust pipe; 21. an air exhaust hole; 3. an air outlet pipe; 4. an air inlet pipe; 5. drying the bag; 51. heating wires; 6. a rotating shaft; 61. a fan blade; 62. a motor; 7. a circular arc segment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 2, the indoor ac metal armored withdrawable switchgear disclosed by the present invention includes a rectangular cabinet body 1, the side surface of the cabinet body 1 far from the cabinet door is respectively communicated with an air inlet pipe 4 and an air outlet pipe 3, wherein the air inlet pipe 4 is communicated with the top end of the cabinet body 1, and the air outlet pipe 3 is communicated with the bottom end of the cabinet body 1.
As shown in fig. 2 to 3, the internal exhaust tube 2 that is fixed with of cabinet 1, exhaust tube 2 along the internal peripheral surface spiral setting of the cabinet body 1, the vertical setting of helix, the outer peripheral face of exhaust tube 2 link up and sets up a plurality of aspirating holes 21 that extend 2 axis ranges of exhaust tube, 2 lower extremes of exhaust tube and 3 intercommunications of outlet duct, the tip shutoff setting of outlet duct 3 is kept away from to exhaust tube 2.
As shown in fig. 2 to 3, wherein the air inlet pipe 4 and the air outlet pipe 3 are vertically arranged at the outer part of the cabinet body 1, and the axes of the air inlet pipe 4 and the air outlet pipe 3 are collinear, the cabinet body 1 is fixed with a motor 62 below the air outlet pipe 3, a rotating shaft 6 is installed on an output shaft of the motor 62, the rotating shaft 6 penetrates through the air outlet pipe 2 and the air inlet pipe 4, a sealing bearing is installed at the position connected with the air inlet pipe 4 and the air outlet pipe 2 for sealing, the rotating shaft 6 is installed with a fan blade 61 rotating coaxially with the rotating shaft 6 in the air inlet pipe 4 and the air outlet pipe 2, the fan blade 61 forms positive pressure in the air inlet pipe 4 under the driving of the motor 62, and negative pressure is formed in the air outlet pipe 3. Therefore, the air in the cabinet body 1 is extracted by the air extraction pipe 2 and is supplemented by the air inlet pipe 4, the stability of the air pressure in the cabinet body 1 is maintained, the use of a driving device is reduced, and the cost is reduced.
As shown in fig. 2 to 3, the end portions of the air inlet pipe 4 and the air outlet pipe 3 away from the cabinet body 1 are communicated with a pipeline having an arc section 7, the arc sections 7 of the air inlet pipe 4 and the air outlet pipe 3 are arranged towards each other, the air inlet of the air inlet pipe 4 is arranged upwards, and the air outlet of the air outlet pipe 3 is arranged downwards, so that the moisture discharged from the air inlet pipe 4 is reduced, and the cabinet body 1 is filled with the moisture. All be provided with drying device in intake pipe 4 and the outlet duct 3, drying device in the intake pipe 4 includes a plurality of independent drying bags 5, installs electric drive's heater strip 51 between the adjacent drying bag 5, and drying device in the outlet duct 3 includes a plurality of independent drying bags 5, can select for use drier such as calcium oxide or calcium chloride for use in the drying bag 5. Wherein the drying bag 5 in the intake pipe 4 sets up in the ascending part of arc segment 7, and electric heating wire 51 heats drying bag 5, and when making motor 62 not work, steam can be discharged from the air inlet of intake pipe 4. The outlet of the circular arc section 7 of the air outlet pipe 3 is vertically arranged downwards, and the drying bag 5 in the air outlet pipe 3 is arranged on the part of the circular arc section 7 of the air outlet pipe 3 arranged downwards, so that the drying bag 5 can automatically flow out under the action of gravity when the moisture is too much.
The implementation principle of the embodiment is as follows:
when using this indoor interchange metal armor to remove formula switchgear, the exhaust tube 2 of spiral setting is favorable to becoming the air flow direction in the cabinet body 1 to flow all around from the center, compare and present no matter the extraction opening places at cabinet body 1 top or the middle cabinet of below, the electrical components quantity that the moisture flowed through in proper order in the cabinet body 1 has been reduced, because put the cabinet internal voltage higher in, the air that is the reply steam of certain flow direction leads to ionization phenomenon easily, lead to dangerous condition such as air breakdown even, consequently, it has higher factor of safety to compare the air flow direction from bottom to top or the middle cabinet of top-down, the probability of electrical components damage and the loss to personnel's lives and properties have been reduced.
Another advantage lies in through same pivot 6 and drive arrangement drive outlet duct 3 and the flabellum 61 in the intake pipe 4 rotates simultaneously, when keeping the air pressure balance in the cabinet body 1, has reduced drive arrangement's use, has reduced the manufacturing cost of this cabinet body 1. Wherein all be provided with drying device in intake pipe 4 and the outlet duct 3, carry out drying pretreatment to the air that gets into the cabinet body 1 to air to in the outlet duct 3 carries out the drying, reduces the moisture backward flow, thereby be favorable to keeping the drying of the internal 1 of cabinet, play through gas circulation and carry out radiating effect to the internal portion of putting the cabinet.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides an indoor interchange metal armor withdrawable switchgear, includes the cabinet body (1), characterized by: an air exhaust pipe (2) is arranged in the cabinet body (1), the air exhaust pipe (2) is spirally arranged along the inner circumferential surface of the cabinet body (1), the outer circumferential surface of the air exhaust pipe (2) is provided with a plurality of air exhaust holes (21) which are arranged along the axial line of the air exhaust pipe in a penetrating way, and one end of the air exhaust pipe (2) positioned below the cabinet body (1) extends out of the cabinet body (1) and is communicated with an air outlet pipe (3) which is arranged upwards; the cabinet body (1) is also communicated with an air inlet pipe (4), the air inlet pipe (4) is vertically arranged and is collinear with the axis of the air outlet pipe (3), and drying devices are arranged in the air inlet pipe (4) and the air outlet pipe (3); still including running through pivot (6) of intake pipe (4) and outlet duct (3), sealed bearing is installed in the position of being connected with intake pipe (4) and exhaust tube (2) in pivot (6) and seals, pivot (6) are in equal coaxial rotation has flabellum (61) in intake pipe (4) and outlet duct (3), pivot (6) are through the drive arrangement drive.
2. An indoor ac metal armored withdrawable switchgear as claimed in claim 1, wherein: the air inlet pipe (4) and the air outlet pipe (3) are far away from the end part of the cabinet body (1) and are provided with arc sections (7), and the arc sections (7) of the air inlet pipe (4) and the air outlet pipe (3) are arranged towards each other.
3. An indoor ac metal armored withdrawable switchgear as claimed in claim 1, wherein: the drying device in the air inlet pipe (4) comprises a plurality of independent drying bags (5), and heating wires (51) are arranged between every two adjacent drying bags (5).
4. An indoor ac metal armored withdrawable switchgear as claimed in claim 2, wherein: the drying device in the air outlet pipe (3) comprises a plurality of independent drying bags (5).
5. An indoor ac metal armored withdrawable switchgear as claimed in claim 2, wherein: and one end of the exhaust tube (2) far away from the air outlet tube (3) is plugged.
6. An indoor ac metal armored withdrawable switchgear as claimed in claim 1, wherein: the air inlet pipe (4) is communicated with the top end of the cabinet body (1), and the air outlet pipe (3) is communicated with the bottom end of the cabinet body (1).
7. An indoor ac metal armored withdrawable switchgear as claimed in claim 1, wherein: the driving device is a motor (62) fixed with the cabinet body (1), and an output shaft of the motor (62) and the rotating shaft (6) rotate coaxially.
8. An indoor ac metal armored withdrawable switchgear as claimed in claim 5, wherein: the outlet of the arc section (7) of the air outlet pipe (3) is vertically arranged downwards, and the drying bag (5) in the air outlet pipe (3) is arranged at the part arranged downwards of the arc section (7) of the air outlet pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056225.4A CN111130001B (en) | 2020-01-18 | 2020-01-18 | Indoor AC metal armoured movable switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056225.4A CN111130001B (en) | 2020-01-18 | 2020-01-18 | Indoor AC metal armoured movable switch equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111130001A CN111130001A (en) | 2020-05-08 |
| CN111130001B true CN111130001B (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010056225.4A Active CN111130001B (en) | 2020-01-18 | 2020-01-18 | Indoor AC metal armoured movable switch equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN111130001B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239597A (en) * | 2023-09-21 | 2023-12-15 | 辽宁捷圣泰建设工程有限公司 | Outdoor power distribution cabinet |
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| CN107425448A (en) * | 2017-07-13 | 2017-12-01 | 宁波智正伟盈信息科技有限公司 | A kind of durable type power distribution automation cabinet |
| CN107689589A (en) * | 2017-08-06 | 2018-02-13 | 赵海萍 | A kind of intelligent heat dissipation method of High-low voltage switch cabinet |
| CN208820328U (en) * | 2018-12-17 | 2019-05-03 | 江苏信实电气科技有限公司 | A kind of AC metal closed switch-box of armored withdraw type automation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207651885U (en) * | 2017-12-21 | 2018-07-24 | 江苏超宇电气有限公司 | A kind of distribution box with effect on moisture extraction |
| CN208015174U (en) * | 2018-02-28 | 2018-10-26 | 安徽埃菲科电气设备制造有限公司 | A kind of moisture-proof switch board of ventilation |
| CN208241145U (en) * | 2018-04-08 | 2018-12-14 | 湖北华耀达电气有限公司 | A kind of closed high voltage power distributing cabinet of high efficiency and heat radiation |
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| Publication number | Publication date |
|---|---|
| CN111130001A (en) | 2020-05-08 |
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