CN111613986A - Magnetomotive windproof method for power distribution cabinet - Google Patents
Magnetomotive windproof method for power distribution cabinet Download PDFInfo
- Publication number
- CN111613986A CN111613986A CN202010571089.2A CN202010571089A CN111613986A CN 111613986 A CN111613986 A CN 111613986A CN 202010571089 A CN202010571089 A CN 202010571089A CN 111613986 A CN111613986 A CN 111613986A
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- China
- Prior art keywords
- power distribution
- cabinet
- distribution cabinet
- cabinet door
- rotating
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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
- 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
- H02B1/38—Hinged covers or doors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/56—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by magnetic or electromagnetic attraction or operated by electric or electromagnetic means
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F5/00—Braking devices, e.g. checks; Stops; Buffers
- E05F5/06—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops
- E05F5/08—Buffers or stops limiting opening of swinging wings, e.g. floor or wall stops with springs
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a magnetic wind-proof method for a power distribution cabinet, which relates to the technical field of power distribution cabinets and comprises a power distribution cabinet and two cabinet doors rotatably connected to the power distribution cabinet, wherein one adjacent side of each cabinet door is provided with a padlock, the heat dissipation windows are arranged on two sides of the power distribution cabinet, the sliding grooves are arranged on two sides of the top and the bottom in the power distribution cabinet, the rotating shafts are fixedly connected to one sides of the two cabinet doors away from the padlock, the sliding blocks are rotatably connected to two ends of the two rotating shafts, the rotating grooves are arranged in two ends of the two sliding blocks, when the power distribution cabinet is overhauled, after the lock on the cabinet door is opened, the two cabinet doors are rotated and opened until the cabinet doors are parallel to the two sides of the power distribution cabinet, the cabinet doors are pushed into the power distribution cabinet along the sliding grooves, thereby can avoid the cabinet door to receive outside wind-force to blow the maintenance operation that influences the staff completely and harm staff's arm even.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a magnetic windproof method of a power distribution cabinet.
Background
Road traffic lights, shooting device, shooting flash light and street lamp all are generally furnished with the switch board to the general direct mount of switch board is on the lamp pole. When the cabinet door is closed, the cabinet door can vibrate under the blowing of wind power, so that shearing force is generated between the cabinet door and the padlock, the aging of the padlock on the cabinet door is accelerated, and the closing effect of the cabinet door is influenced; when the cabinet door is opened, when the staff overhauls, the cabinet door is easily by wind-force drive striking staff's arm, and traditional solution is to increase damping device between cabinet door and switch board, and this kind of mode makes the cabinet door be difficult for rotating under wind-force, but has increased the degree of difficulty of rotating the cabinet door, and the cabinet door easily takes place to distort the surface paint layer that harms the cabinet door under wind-force strikes simultaneously, influences the life of cabinet door.
Disclosure of Invention
The invention provides a magnetic windproof method for a power distribution cabinet, and aims to solve the problems that a damping device is additionally arranged between a cabinet door and the power distribution cabinet in the traditional technology, the difficulty of rotating the cabinet door is increased, and meanwhile, the cabinet door is easy to distort and damage a surface paint layer of the cabinet door under the impact of wind power, so that the service life of the cabinet door is influenced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a magnetic windproof method of a power distribution cabinet comprises the following specific steps:
s1, when the cabinet door is opened by rotation during maintenance, the first permanent magnet and the second permanent magnet increase the viscosity of magnetorheological fluid in the first elastic diaphragm and the second elastic diaphragm to form flow obstruction, so that the cabinet door is prevented from being impacted by wind and rotating quickly;
s2, rotating the cabinet door until the cabinet door is parallel to the two sides of the power distribution cabinet, pushing the cabinet door into the power distribution cabinet, and completely preventing the cabinet door from being blown by wind;
s3, after the cabinet door rotates, the first permanent magnet block and the second permanent magnet block are opposite to each other and attract each other, and under the elastic force action of the buffer spring, the two cabinet doors form integral buffer, so that the padlock is prevented from vibrating in the shearing direction;
the magnetomotive windproof method of the power distribution cabinet also relates to a windproof structure, wherein the windproof structure comprises a power distribution cabinet and two cabinet doors rotatably connected to the power distribution cabinet, buckling locks are arranged on one adjacent sides of the two cabinet doors, heat dissipation windows are arranged on two sides of the power distribution cabinet, sliding grooves are formed in two sides of the top and the bottom of the power distribution cabinet, rotating shafts are fixedly connected to one sides of the two cabinet doors away from the buckling locks, sliding blocks are rotatably connected to two ends of the two rotating shafts, rotating grooves are formed in two ends of the two sliding blocks, the four rotating grooves are respectively and rotatably connected with the tops and the bottoms of the two rotating shafts in a sealing manner, and magnetorheological fluid is filled in the four rotating grooves;
two sliding block both ends are sliding connection respectively in four spouts, four the equal fixedly connected with buffer spring in spout bottom, four buffer spring keeps away from the equal fixedly connected with second permanent magnetism piece of spout one end, four second permanent magnetism piece one-to-one sliding connection is in four spouts, two equal fixedly connected with first permanent magnetism piece in axis of rotation top and the bottom, four first permanent magnetism piece one-to-one attracts mutually with four second permanent magnetism piece magnetism, two axis of rotation top and bottom are close to the first elastic diaphragm of second permanent magnetism piece one side fixedly connected with, four rotate the groove and be close to one side fixedly connected with second elastic diaphragm in the second permanent magnetism piece, first elastic diaphragm and second elastic diaphragm all fill there is magnetic force to become liquid.
Preferably, the cross section of the power distribution cabinet is rectangular, the length of the rectangle is less than twice of the width of the rectangle, and the heat dissipation window can be completely shielded by the cabinet door.
Preferably, top and bottom are close to cabinet door one side fixedly connected with spacing piece in the switch board, two spacing piece all has elasticity and both ends slope and stretch to the cabinet door.
Preferably, the distance between the middle part of the limiting piece and the cabinet door is equal to the maximum elongation of the buffer spring.
Compared with the prior art, the invention has the following beneficial effects:
1. when the power distribution cabinet is overhauled, after the lock on the cabinet door is opened, the two cabinet doors are rotated and opened until the cabinet doors are parallel to the two sides of the power distribution cabinet, the cabinet doors are pushed into the power distribution cabinet along the sliding grooves, so that the condition that the overhaul operation of workers is influenced and the arms of the workers are even damaged due to the fact that the cabinet doors are blown by external wind power can be completely avoided; simultaneously, the cabinet door can form to shelter from the heat dissipation window of switch board both sides after pushing the switch board to avoid external wind to blow in from the heat dissipation window and influence the staff and overhaul the operation.
2. In the process that the rotating cabinet door is pushed into the power distribution cabinet, the magnetorheological fluid in the first elastic diaphragm and the second elastic diaphragm increases in viscosity under the action of the magnetic fields of the first permanent magnet and the second permanent magnet, so that when the cabinet door is suddenly impacted by wind power, the first elastic diaphragm rotates towards the second elastic diaphragm, the magnetorheological fluid in the rotating groove is blocked from flowing, the rotating resistance of the first permanent magnet is increased, the impact force of the cabinet door under the action of the wind power is relieved, and the cabinet door and workers are protected; and when the rotating speed is lower, the mobility of the magnetorheological fluid is less hindered, and further the rotating difficulty of the magnetorheological fluid is lower compared with that of the traditional damping device.
3. When the cabinet door on the power distribution cabinet is closed, the first permanent magnet blocks on the rotating shaft of the cabinet door rotate and then face the second permanent magnet blocks, the first permanent magnet blocks and the second permanent magnet blocks are magnetically attracted, and at the moment, when the two locked cabinet doors are impacted by wind power, integral buffering is formed under the action of the elastic force of the buffer spring, and the two cabinet doors are kept static relatively, so that the possibility that the lock catch is opened accidentally due to vibration can be effectively reduced.
4. According to the invention, the limiting piece is arranged in the power distribution cabinet, so that the situation that the cabinet door slides too deeply along the sliding groove to impact elements in the power distribution cabinet when being impacted by strong wind is avoided, and meanwhile, the limiting piece has elasticity and pushes the cabinet door to return along the sliding groove after the strong wind impacts, so as to cope with the next wind impact.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 3 is a partial schematic view of the cabinet door rotation process of the present invention;
FIG. 4 is a schematic view of a portion of the cabinet door push-in power distribution cabinet of the present invention;
fig. 5 is a schematic view of the whole buffering part of the cabinet door of the present invention.
In the figure: 1 power distribution cabinet, 11 heat dissipation windows, 12 sliding grooves, 13 limiting sheets, 2 cabinet doors, 21 buckles, 3 rotating shafts, 31 first permanent magnets, 4 sliding blocks, 41 rotating grooves, 42 first elastic diaphragms, 43 second elastic diaphragms, 5 buffer springs and 6 second permanent magnets.
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.
Referring to fig. 1-5, a magnetic wind prevention method for a power distribution cabinet specifically comprises the following steps:
s1, in the process of overhauling, when the cabinet door 2 is opened by rotating, the first permanent magnet 31 and the second permanent magnet 6 increase the viscosity of magnetorheological fluid in the first elastic diaphragm 42 and the second elastic diaphragm 43 to form a flow obstruction, so that the cabinet door 2 is prevented from being impacted by wind force to rotate quickly;
s2, rotating the cabinet door 2 until the cabinet door 2 is parallel to the two sides of the power distribution cabinet 1, and pushing the cabinet door 2 into the power distribution cabinet 1 to completely prevent the cabinet door 2 from being blown by wind;
s3, after the cabinet door 2 rotates, the first permanent magnet 31 and the second permanent magnet 6 are opposite to each other and attract each other, and under the elastic force action of the buffer spring 5, the two cabinet doors 2 form integral buffer, so that the padlock 21 is prevented from vibrating in the shearing direction;
the magnetomotive windproof method of the power distribution cabinet also relates to a windproof structure, the windproof structure comprises the power distribution cabinet 1 and two cabinet doors 2 which are rotatably connected to the power distribution cabinet 1, a buckling lock 21 is installed on one adjacent side of each of the two cabinet doors 2, the buckling lock 21 adopts a traditional buckling pin and buckling frame matching mode, namely, the lock core is rotated to enable the buckling pin which is coaxially and fixedly connected with the lock core to rotate, fall down and be clamped into the buckling frame.
Heat dissipation window 11 has all been seted up to 1 both sides of switch board, and the rectangle is personally submitted to 1 transversal of switch board, and rectangle length is less than the twice of width, and heat dissipation window 11 can be sheltered from completely by cabinet door 2, makes things convenient for cabinet door 2 can take in switch board 1.
The two ends of the two sliding blocks 4 are respectively provided with a rotating groove 41, the four rotating grooves 41 are respectively connected with the top and the bottom of the two rotating shafts 3 in a sealing and rotating mode, magnetorheological fluid is filled in each rotating groove 41, the magnetorheological fluid is a suspension formed by mixing small soft magnetic particles with high magnetic conductivity and low magnetic hysteresis and non-magnetic conductive liquid, and the viscosity is increased under the action of a magnetic field with certain strength.
Two sliders 4 both ends are sliding connection respectively in four spout 12, and slider 4 can make cabinet door 2 remove along spout 12.
The bottom parts of the four sliding grooves 12 are fixedly connected with buffer springs 5, one ends, far away from the sliding grooves 12, of the four buffer springs 5 are fixedly connected with second permanent magnets 6, the four second permanent magnets 6 are correspondingly and slidably connected into the four sliding grooves 12 one by one, the top parts and the bottom parts of the two rotating shafts 3 are fixedly connected with first permanent magnets 31, the four first permanent magnets 31 are correspondingly and magnetically attracted with the four second permanent magnets 6 one by one, and when the first permanent magnets 31 and the second permanent magnets 6 are aligned, under the action of the elastic force of the buffer springs 5, the rotating shafts 3 on the sliding blocks 4 are buffered; after the first permanent magnet 31 rotates, the magnetic attraction between the two is reduced.
The top and the bottom of the two rotating shafts 3 are fixedly connected with a first elastic diaphragm 42 close to one side of the second permanent magnet 6, the four rotating grooves 41 are fixedly connected with a second elastic diaphragm 43 close to one side of the second permanent magnet 6, the first elastic diaphragm 42 and the first elastic diaphragm 43 are filled with magnetic rheological fluid, the magnetic rheological fluid in the first elastic diaphragm 42 and the second elastic diaphragm 43 increases the viscosity under the magnetic field action of the first permanent magnet 31 and the second permanent magnet 6, so that when the rotating shafts 3 rotate suddenly, the first elastic diaphragm 42 rotates towards the second elastic diaphragm 43, the magnetic rheological fluid in the rotating grooves 41 is blocked from flowing, and the rotating resistance of the magnetic rheological fluid is increased.
Top and bottom are close to the spacing piece 13 of cabinet door 2 one side fixedly connected with in switch board 1, and two spacing pieces 13 all have elasticity and both ends slope and stretch to cabinet door 2, and spacing piece 13 middle part equals the 5 biggest elongations of buffer spring with 2 intervals of cabinet door, move in switch board 1 to cabinet door 2 and form spacing and further buffering.
The principles of the present invention are now described as follows:
as shown in fig. 4, when the power distribution cabinet 1 is overhauled, after the latches 21 on the two cabinet doors 2 are opened, the two cabinet doors 2 rotate on the sliders 4 around the rotating shafts 3 until the cabinet doors 2 are parallel to the two sides of the power distribution cabinet 1, the cabinet doors 2 are pushed into the power distribution cabinet 1 along the sliding grooves 12 through the sliders 4, so that the cabinet doors 2 are completely prevented from being blown by external wind to affect the overhauling operation of workers and even damage the arms of the workers; meanwhile, after the cabinet door 2 is pushed into the power distribution cabinet 1, the heat dissipation windows 11 on two sides of the power distribution cabinet 1 can be shielded, so that external wind is prevented from being blown in from the heat dissipation windows 11 to influence the overhauling operation of workers;
as shown in fig. 3, in the process of pushing the rotating cabinet door 2 into the power distribution cabinet 1, the magnetorheological fluids in the first elastic diaphragm 42 and the second elastic diaphragm 43 increase in viscosity under the magnetic field effect of the first permanent magnet 31 and the second permanent magnet 6, so that when the cabinet door 2 is suddenly impacted by wind, the first elastic diaphragm 42 rotates towards the second elastic diaphragm 43, the magnetorheological fluids in the rotating groove 41 are blocked from flowing, the resistance to rotation of the first permanent magnet 31 is increased, the impact force of the cabinet door 2 under the wind action is relieved, and the cabinet door 2 and workers are protected; when the rotating speed is low, the mobility of the magnetorheological fluid is less hindered, and the rotating difficulty of the magnetorheological fluid is lower compared with that of a traditional damping device;
as shown in fig. 2 and 5, when the cabinet door 2 on the power distribution cabinet 1 is closed, the first permanent magnet 31 on the rotating shaft 3 rotates and then faces the second permanent magnet 6, the first permanent magnet and the second permanent magnet are magnetically attracted, and at this time, when the two locked cabinet doors 2 are impacted by wind, an integral buffer is formed under the action of the elastic force of the buffer spring 5, and the two cabinet doors 2 are kept relatively static, so that the possibility that the lock 21 is accidentally opened by vibration can be effectively reduced;
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 (4)
1. A magnetic windproof method of a power distribution cabinet is characterized by comprising the following specific steps:
s1, in the process of overhauling, when the cabinet door (2) is opened by rotating, the first permanent magnet (31) and the second permanent magnet (6) increase the viscosity of magnetorheological fluid in the first elastic diaphragm (42) and the second elastic diaphragm (43) to form a flow obstruction, so that the cabinet door (2) is prevented from being impacted by wind force to rotate quickly;
s2, rotating the cabinet door (2) until the cabinet door is parallel to the two sides of the power distribution cabinet (1), pushing the cabinet door (2) into the power distribution cabinet (1), and completely preventing the cabinet door (2) from being blown by wind;
s3, after the cabinet door (2) rotates, the first permanent magnet block (31) and the second permanent magnet block (6) are opposite to each other and attract each other, and under the elastic action of the buffer spring (5), the two cabinet doors (2) form integral buffer, so that the padlock (21) is prevented from vibrating in the shearing direction;
the magnetomotive windproof method of the power distribution cabinet also relates to a windproof structure, the windproof structure comprises the power distribution cabinet (1) and two cabinet doors (2) which are rotatably connected on the power distribution cabinet (1), one adjacent side of the two cabinet doors (2) is provided with a padlock (21), the heat dissipation windows (11) are respectively arranged on two sides of the power distribution cabinet (1), sliding grooves (12) are respectively arranged on two sides of the top and the bottom in the power distribution cabinet (1), rotating shafts (3) are fixedly connected to one sides, away from the padlock (21), of the two cabinet doors (2), sliding blocks (4) are respectively rotatably connected to two ends of the two rotating shafts (3), rotating grooves (41) are respectively formed in two ends of the two sliding blocks (4), the four rotating grooves (41) are respectively and rotatably connected with the top and the bottom of the two rotating shafts (3) in a sealing mode, and magnetorheological fluid is filled in the four rotating grooves (41);
two sliding blocks (4) are respectively connected with the two ends of each sliding groove (12) in a sliding manner, the bottoms of the four sliding grooves (12) are fixedly connected with buffer springs (5), one ends, far away from the sliding grooves (12), of the four buffer springs (5) are fixedly connected with second permanent magnets (6), the four second permanent magnets (6) are correspondingly connected with the four sliding grooves (12) in a one-to-one manner, the tops and the bottoms of the two rotating shafts (3) are fixedly connected with first permanent magnets (31), the four first permanent magnets (31) are correspondingly and magnetically attracted with the four second permanent magnets (6), one sides, close to the second permanent magnets (6), of the tops and the bottoms of the two rotating shafts (3) are fixedly connected with first elastic diaphragms (42), and one sides, close to the second permanent magnets (6), of the four rotating grooves (41) are fixedly connected with second elastic diaphragms (43), and magnetic rheological fluid is filled in the first elastic diaphragm (42) and the second elastic diaphragm (43).
2. Magnetomotive wind-proofing method for a power distribution cabinet according to claim 1, characterized in that the cross-section of the power distribution cabinet (1) is rectangular, the length of the rectangle is less than twice the width, and the heat dissipation window (11) can be completely covered by the cabinet door (2).
3. The magnetomotive windproof method for the power distribution cabinet according to claim 1 is characterized in that limiting pieces (13) are fixedly connected to one side, close to the cabinet door (2), of the top and the bottom of the power distribution cabinet (1), and both the limiting pieces (13) have elasticity and two ends extend towards the cabinet door (2) in an inclined mode.
4. Magnetomotive wind-proof method for a switch board according to claim 3, characterized in that the distance between the middle part of the limiting piece (13) and the cabinet door (2) is equal to the maximum elongation of the buffer spring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010571089.2A CN111613986A (en) | 2020-06-22 | 2020-06-22 | Magnetomotive windproof method for power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010571089.2A CN111613986A (en) | 2020-06-22 | 2020-06-22 | Magnetomotive windproof method for power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111613986A true CN111613986A (en) | 2020-09-01 |
Family
ID=72196658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010571089.2A Withdrawn CN111613986A (en) | 2020-06-22 | 2020-06-22 | Magnetomotive windproof method for power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111613986A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203867356U (en) * | 2014-03-17 | 2014-10-08 | 浙江师范大学 | Door closer based on magnetorheological fluid |
| CN204012236U (en) * | 2014-01-14 | 2014-12-10 | 万电电气股份有限公司 | Switch cabinet body structure |
| CN106894695A (en) * | 2017-04-07 | 2017-06-27 | 浙江师范大学 | A kind of mobile cushioning door based on magnetic rheology effect |
| CN110656851A (en) * | 2019-04-29 | 2020-01-07 | 顾海明 | Wind-proof movable door body |
| CN210111366U (en) * | 2019-08-22 | 2020-02-21 | 郑州华森电气有限公司 | Electrical cabinet |
-
2020
- 2020-06-22 CN CN202010571089.2A patent/CN111613986A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204012236U (en) * | 2014-01-14 | 2014-12-10 | 万电电气股份有限公司 | Switch cabinet body structure |
| CN203867356U (en) * | 2014-03-17 | 2014-10-08 | 浙江师范大学 | Door closer based on magnetorheological fluid |
| CN106894695A (en) * | 2017-04-07 | 2017-06-27 | 浙江师范大学 | A kind of mobile cushioning door based on magnetic rheology effect |
| CN110656851A (en) * | 2019-04-29 | 2020-01-07 | 顾海明 | Wind-proof movable door body |
| CN210111366U (en) * | 2019-08-22 | 2020-02-21 | 郑州华森电气有限公司 | Electrical cabinet |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20200901 |