CN111355221B - Rectifier cabinet arc light protection device - Google Patents

Rectifier cabinet arc light protection device Download PDF

Info

Publication number
CN111355221B
CN111355221B CN201811581344.0A CN201811581344A CN111355221B CN 111355221 B CN111355221 B CN 111355221B CN 201811581344 A CN201811581344 A CN 201811581344A CN 111355221 B CN111355221 B CN 111355221B
Authority
CN
China
Prior art keywords
rectifier cabinet
cabinet body
air inlet
inlet pipeline
blind
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811581344.0A
Other languages
Chinese (zh)
Other versions
CN111355221A (en
Inventor
徐玉尧
程以明
音邦熙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Xunda Electrical Appliances Co ltd
Original Assignee
Hefei Xunda Electrical Appliances Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Xunda Electrical Appliances Co ltd filed Critical Hefei Xunda Electrical Appliances Co ltd
Priority to CN201811581344.0A priority Critical patent/CN111355221B/en
Publication of CN111355221A publication Critical patent/CN111355221A/en
Application granted granted Critical
Publication of CN111355221B publication Critical patent/CN111355221B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/125Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for rectifiers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/003Constructional details, e.g. physical layout, assembly, wiring or busbar connections
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0213Venting apertures; Constructional details thereof
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909Forced ventilation, e.g. on heat dissipaters coupled to components

Abstract

The invention discloses an arc light protection device of a rectifier cabinet, and particularly relates to the technical field of power equipment. The air blown by the first fan and the air blown by the second fan form a circulation passage, so that the heat dissipation efficiency of the rectifier cabinet in the working process can be greatly improved, the working stability of equipment is improved, and the air in a containing cavity formed between the vacuum chuck and the ground can be pumped out by the vacuum pump to form a negative pressure space, so that the rectifier cabinet body is firmly fixed on the ground, the rectifier cabinet body is prevented from being knocked down, and the placing and using stability of the rectifier cabinet body is improved.

Description

Rectifier cabinet arc light protection device
Technical Field
The invention relates to the technical field of power equipment, in particular to an arc light protection device of a rectifier cabinet.
Background
An arc is a phenomenon that occurs during the discharge process, which occurs when the voltage between two points exceeds its power frequency dielectric strength limit, and when appropriate conditions occur, a plasma carrying current is generated, which does not disappear until the protection device on the power supply side is disconnected.
The invention patent of patent application publication No. CN 101141061A discloses a rectifier cabinet arc light protection device, in the technical scheme, the rectifier equipment can be ensured to rapidly and selectively disconnect a fault unit or an incoming line breaker when arc light fault occurs, the duration time of the fault arc is fundamentally limited, various personnel and equipment hazards caused by arc short circuit are eliminated, and meanwhile, the great economic loss caused by accident enlargement is reduced.
However, in practical use, there are still many disadvantages, such as that the rectifier cabinet generates a large amount of heat during the over-stroke of operation, which easily affects the operation stability of the rectifier cabinet, and in the using process, the rectifier cabinet is easily touched to break the internal components.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide an arc light protection device for a rectifier cabinet, in which a circulation path is formed by using wind blown by a first fan and a second fan, so that the heat dissipation efficiency of the rectifier cabinet during operation can be greatly increased, the stability of the operation of the device can be improved, and a vacuum pump can be used to pump out gas in a cavity formed between a vacuum chuck and the ground to form a negative pressure space, so that the rectifier cabinet body is firmly fixed on the ground during placement and use, thereby avoiding being knocked down, and improving the stability of the placement and use, thereby solving the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an arc light protection device of a rectifier cabinet comprises a rectifier cabinet body, wherein supporting legs are arranged at four corners of the bottom of the rectifier cabinet body, vacuum suckers are fixedly arranged on the inner sides of the supporting legs, a vacuum pump is fixedly arranged at the bottom of the rectifier cabinet body and is communicated with the vacuum suckers through a connecting pipe, an air cavity is arranged at the center of the top of the rectifier cabinet body and is communicated with the rectifier cabinet body, a first fan is arranged at the joint of the air cavity and the rectifier cabinet body in a matched mode, an air inlet pipeline is arranged on the outer wall of the circumferential side of the air cavity and is communicated with the air cavity, a drying screen plate is fixedly arranged inside the circumferential side of the air inlet pipeline, the drying screen plate is arranged in a hollow mode and filled with drying agents, a first dust screen is arranged at one end of the air inlet pipeline, and the air inlet pipeline is in threaded connection with the first dust screen, first dust screen one end central point puts fixedly connected with and changes the handle, rectifier cabinet body both sides all run through and are equipped with logical groove, it is equipped with the blind to lead to the cooperation of inslot portion, it is equipped with the second fan to lead to the cooperation of groove one end, it is provided with the second dust screen to lead to groove and second fan junction, the curtain leaf one end top of blind runs through and is equipped with the through-hole, the fixed cover of through-hole inside is equipped with the axis of rotation, axis of rotation one end fixedly connected with drive gear, the blind comprises a plurality of curtain leaves, be provided with drive chain between the drive gear of a plurality of curtain leaf tip of blind, and connect through the drive chain transmission, a plurality of curtain leaf surfaces of blind all fix and are equipped with the handle.
In a preferred embodiment, the leg has an L-shaped axial cross-section, and the bottom end surface of the leg is disposed coplanar with the bottom end surface of the vacuum chuck.
In a preferred embodiment, the number of the drying screen plates on the inner wall of the circumferential side of the air inlet pipeline is provided with a plurality of drying screen plates, the drying screen plates are distributed in the air inlet pipeline at equal intervals, and the two adjacent drying screen plates are arranged in a staggered manner.
In a preferred embodiment, a hydraulic cylinder is arranged at the central position of the bottom of the rectifier cabinet body, a disc is fixedly connected to the bottom end of a piston rod at the end of the hydraulic cylinder, two cut grooves are formed in two sides of the disc in a penetrating manner, a first coupling shaft is fixedly connected to the inner parts of the two cut grooves, a first ear plate frame is correspondingly arranged on one side of each of the four vacuum chucks, a cross rod is arranged between the two adjacent first ear plate frames vertically arranged in a collinear manner, two ends of the cross rod respectively extend to the outer side end faces of the first ear plate frames at the corresponding ends, two ends of the cross rod are movably connected with the first ear plate frames through bearings, a second ear plate frame is fixedly arranged in the middle of one side of the cross rod, the first ear plate frame and the second ear plate frame are respectively composed of two ear plates arranged in parallel, a second coupling shaft is fixedly arranged between the two ear plates of the second ear plate frame, a movable connecting rod is arranged between the first coupling shaft and the second coupling shaft, the movable connecting rod is characterized in that shaft sleeves are fixedly arranged at two ends of the movable connecting rod, the first coupling and the second coupling are respectively arranged inside the shaft sleeves corresponding to the ends and movably connected with the shaft sleeves, a fixed connecting rod is arranged on one side of each of two ends of the transverse rod, and a universal wheel is arranged at one end of each fixed connecting rod.
In a preferred embodiment, the diameter of the fixed link is equal to the distance between the two ear plates of the first ear plate holder.
In a preferred embodiment, the universal wheel is a self-locking universal wheel.
The invention has the technical effects and advantages that:
1. the invention pumps the gas in the external environment from the air inlet pipeline to the interior of the rectifier cabinet body through the first fan, because the drying screen plates are fixedly arranged at the interior of the circumferential side of the air inlet pipeline, the number of the drying screen plates at the inner wall of the circumferential side of the air inlet pipeline is multiple, the multiple drying screen plates are distributed at equal intervals in the air inlet pipeline, and the adjacent two drying screen plates are arranged in a staggered manner, the sucked air is favorably and fully dried, the phenomenon that the moisture enters the interior of the rectifier cabinet body to influence the working stability of the internal elements is avoided, in addition, the first dust screen is connected with one end of the air inlet pipeline in a threaded manner, the dust and other impurities in the external environment can be prevented from being sucked into the rectifier cabinet body, meanwhile, the first dust screen is conveniently detached for cleaning through the rotating handle, and the hot air in the rectifier cabinet body is outwards discharged by the second fan when the first fan works, the heat dissipation efficiency of the rectifier cabinet in the working process can be greatly improved, the working stability of the rectifier cabinet is improved, in the working process, the opening size of the blind curtain can be adjusted according to the temperature of the external environment, the heat dissipation stability of the rectifier cabinet in the working process is ensured, in addition, for the rectifier cabinet in the non-use state, the blind curtain can be completely closed through the pull handle on the surface of the blind blade, the dust, the steam and the like in the external environment are prevented from entering the interior of the rectifier cabinet body, in the rectifier cabinet in the use state, because the bottom end surfaces of the supporting legs and the bottom end surfaces of the vacuum chucks are arranged in a coplanar manner, the bottom end surfaces of the vacuum chucks can be completely contacted with the ground, the gas in a containing cavity formed between the vacuum chucks and the ground is pumped out by utilizing the vacuum pump, a negative pressure space is formed, and the rectifier cabinet body is firmly fixed on the ground in the placing and using process, the utility model can avoid being knocked down, and improve the stability of the placement and use;
2. the hydraulic cylinder drives the disc to move downwards, so that the movable connecting rod in an inclined state is changed into a horizontal state, the fixed connecting rod is changed into a vertical state from the inclined state, the rectifying cabinet body is supported by the universal wheels to be convenient to move, otherwise, the disc is driven by the hydraulic cylinder to retract, the universal wheels can be hidden, the supporting legs are in contact with the ground, and the position of the rectifying cabinet body is fixed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall bottom view of the present invention;
FIG. 3 is a schematic view of the blind structure of the present invention;
FIG. 4 is a front view of a blind blade of the blind of the present invention;
the reference signs are: the device comprises a rectifier cabinet body 1, supporting legs 2, a vacuum sucker 3, a vacuum pump 4, an air cavity 5, a first fan 6, an air inlet pipeline 7, a drying screen plate 8, a first dustproof net 9, a rotating handle 10, a through groove 11, a blind 12, a second dustproof net 13, a second fan 14, a rotating shaft 15, a transmission gear 16, a transmission chain 17, a handle 18, a hydraulic cylinder 19, a disc 20, a movable connecting rod 21, a first lug plate frame 22, a fixed connecting rod 23, a cross rod 24, a second lug plate frame 25 and a universal wheel 26.
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.
Example 1
The invention provides a rectifier cabinet arc light protection device as shown in figures 1-4, which comprises a rectifier cabinet body 1, wherein four corners of the bottom of the rectifier cabinet body 1 are respectively provided with a support leg 2, a vacuum chuck 3 is fixedly arranged on the inner side of each support leg 2, a vacuum pump 4 is fixedly arranged on the bottom of the rectifier cabinet body 1, the vacuum pump 4 is communicated with the vacuum chuck 3 through a connecting pipe, an air cavity 5 is arranged at the center of the top of the rectifier cabinet body 1, the air cavity 5 is communicated with the rectifier cabinet body 1, a first fan 6 is arranged at the joint of the air cavity 5 and the rectifier cabinet body 1 in a matching manner, an air inlet pipeline 7 is arranged on the outer wall of the circumferential side of the air cavity 5, the air inlet pipeline 7 is communicated with the air cavity 5, a drying screen plate 8 is fixedly arranged inside the circumferential side of the air inlet pipeline 7, and a plurality of drying screen plates 8 are arranged on the inner wall of the circumferential side of the air inlet pipeline 7, the drying screen plates 8 are distributed in the air inlet pipeline 7 at equal intervals, and the two adjacent drying screen plates 8 are arranged in a staggered manner, so that the sucked air can be dried sufficiently, the phenomenon that water and air enter the interior of the rectifier cabinet body 1 to influence the working stability of internal elements of the rectifier cabinet body is avoided, the drying screen plates 8 are arranged in a hollow manner, drying agents are filled in the drying screen plates, a first dust screen 9 is arranged at one end of the air inlet pipeline 7, the air inlet pipeline 7 is in threaded connection with the first dust screen 9, a rotating handle 10 is fixedly connected to the central position of one end of the first dust screen 9, through grooves 11 are formed in the two sides of the rectifier cabinet body 1 in a penetrating manner, a blind 12 is arranged in the through grooves 11 in a matching manner, a second fan 14 is arranged at one end of each through groove 11 in a matching manner, a second dust screen 13 is arranged at the joint of each through groove 11 and the second fan 14, and through holes are formed in the tops of one ends of blind leaves of the blind 12 in a penetrating manner, the fixed cover of through-hole inside is equipped with axis of rotation 15, 15 one end fixedly connected with drive gear 16 of axis of rotation, blind 12 comprises a plurality of curtain leaf, be provided with drive chain 17 between the drive gear of a plurality of curtain leaf tip of blind 12, and through drive chain 17 transmission connection, a plurality of curtain leaf surfaces of blind 12 all fix and are equipped with handle 18.
From the above embodiment, it can be seen that: according to the invention, gas in an external environment is sucked into the interior of the rectifying cabinet body 1 from the air inlet pipeline 7 through the first fan 6, as the drying screen plates 8 are fixedly arranged at the circumferential side interior of the air inlet pipeline 7, a plurality of drying screen plates 8 are arranged at the circumferential side inner wall of the air inlet pipeline 7, the plurality of drying screen plates 8 are distributed in the air inlet pipeline 7 at equal intervals, and the adjacent two drying screen plates 8 are arranged in a staggered manner, the sucked air is favorably and fully dried, the phenomenon that water gas enters the interior of the rectifying cabinet body 1 to influence the working stability of internal elements is avoided, and the first dust screen 9 is connected with one end of the air inlet pipeline 7 in a threaded manner, so that dust and other impurities in the external environment can be prevented from being sucked into the rectifying cabinet body 1, meanwhile, the first dust screen 9 is conveniently detached through the rotary handle 10 to be cleaned, and when the first fan 6 works, the second fan 14 discharges the hot air in the rectifier cabinet body 1, which can greatly improve the heat dissipation efficiency of the rectifier cabinet in the working process, thereby improving the working stability of the rectifier cabinet, and in the working process, the opening size of the blind 12 can be adjusted according to the temperature of the external environment, so as to ensure the heat dissipation stability of the rectifier cabinet in the working process, and for the rectifier cabinet in the non-use state, the blind 12 can be completely closed through the pull handle 18 on the surface of the blind, so as to prevent the dust, the water vapor and the like in the external environment from entering the rectifier cabinet body 1, and for the rectifier cabinet in the use state, because the bottom end surfaces of the supporting legs 2 and the vacuum chuck 3 are arranged in the same plane, the bottom end surface of the vacuum chuck 3 can be completely contacted with the ground, so that the vacuum pump 4 is used to pump out the air in the cavity formed between the vacuum chuck 3 and the ground, so as to form a negative pressure space, make the rectifier cabinet body 1 firmly fixed subaerial placing the in-process of using, avoid being knocked over, improve its stability of placing the use.
Example 2
Furthermore, the shaft section of the landing leg 2 is L-shaped, and the bottom end face of the landing leg 2 and the bottom end face of the vacuum chuck 3 are arranged in a coplanar manner, so that the bottom end face of the vacuum chuck 3 is in full contact with the ground, and therefore, the gas in the cavity formed between the vacuum chuck 3 and the ground is pumped out by the vacuum pump 4 to form a negative pressure space, so that the rectifier cabinet body 1 is firmly fixed on the ground in the process of placing and using, and the rectifier cabinet body is prevented from being knocked over.
Further, a hydraulic cylinder 19 is arranged at the center of the bottom of the rectifier cabinet body 1, a disc 20 is fixedly connected to the bottom end of a piston rod at the end of the hydraulic cylinder 19, two cut grooves are formed in two sides of the disc 20 in a penetrating manner, a first coupling shaft is fixedly connected to the inner portions of the two cut grooves, a first ear plate frame 22 is correspondingly arranged on one side of each of the four vacuum chucks 3, a cross rod 24 is arranged between the two adjacent first ear plate frames 22 which are vertically arranged in a collinear manner, two ends of the cross rod 24 respectively extend to the outer side end faces of the first ear plate frames 22 at the corresponding ends, two ends of the cross rod 24 are movably connected with the first ear plate frames 22 through bearings, a second ear plate frame 25 is fixedly arranged in the middle of one side of the cross rod 24, each of the first ear plate frame 22 and the second ear plate frame 25 is composed of two ear plates which are arranged in parallel, a second coupling shaft is fixedly arranged between the two ear plates of the second ear plate frame 25, a movable connecting rod 21 is arranged between the first coupling and the second coupling, shaft sleeves are fixedly arranged at both ends of the movable connecting rod 21, the first coupling and the second coupling are respectively arranged in the shaft sleeves at the corresponding ends, and is movably connected with the shaft sleeve, one side of two ends of the cross bar 24 is provided with a fixed connecting rod 23, one end of the fixed connecting rod 23 is provided with a universal wheel 26 which is beneficial to driving the disc 20 to move downwards through the hydraulic cylinder 19, so that the movable link 21 in the inclined state becomes the horizontal state, and the fixed link 23 becomes the vertical state from the inclined state, so as to support the rectifier cabinet body 1 by using the universal wheels 26, which is convenient for moving the rectifier cabinet body 1, and vice versa, the hydraulic cylinder 19 drives the disc 20 to retract back, so that the universal wheels 26 can be hidden, the supporting legs 2 are in contact with the ground, and the position of the rectifier cabinet body 1 is fixed.
Further, the diameter of the fixed connecting rod 23 is equal to the distance between the two ear plates of the first ear plate frame 22, so that the supporting and putting-down stability of the fixed connecting rod 23 can be greatly improved.
Furthermore, the universal wheel 26 is a self-locking universal wheel, which is favorable for temporarily fixing the rectifying cabinet body 1 in the moving process of the rectifying cabinet body, and is convenient and fast.
The working principle of the invention is as follows:
referring to the attached drawings 1-4 of the specification, in the using process, the air in the external environment is sucked into the interior of the rectifier cabinet body 1 from the air inlet pipeline 7 through the first fan 6, because the drying screen plates 8 are fixedly arranged in the circumferential side of the air inlet pipeline 7, a plurality of drying screen plates 8 are arranged on the inner wall of the circumferential side of the air inlet pipeline 7, the plurality of drying screen plates 8 are distributed in the air inlet pipeline 7 at equal intervals, and the adjacent two drying screen plates 8 are arranged in a staggered manner, the sucked air is favorably dried fully, the phenomenon that water gas enters the interior of the rectifier cabinet body 1 to influence the working stability of internal elements is avoided, the first dustproof net 9 is connected with one end of the air inlet pipeline 7 in a threaded manner, dust and other impurities in the external environment can be prevented from being sucked into the rectifier cabinet body 1, and meanwhile, the first dustproof net 9 is convenient to be detached through the rotating handle 10 for cleaning, while the first fan 6 works, the second fan 14 discharges the hot air in the rectifier cabinet body 1, so as to greatly improve the heat dissipation efficiency of the rectifier cabinet in the working process, thereby improving the working stability of the rectifier cabinet, and in the working process, the opening size of the blind 12 can be adjusted according to the temperature of the external environment, so as to ensure the heat dissipation stability of the rectifier cabinet in the working process, and for the rectifier cabinet in the non-use state, the blind 12 can be completely closed through the pull handle 18 on the surface of the blind blade, so as to prevent dust, water vapor and the like in the external environment from entering the rectifier cabinet body 1, and for the rectifier cabinet in the use state, because the bottom end surfaces of the support legs 2 and the vacuum chuck 3 are arranged in a coplanar manner, the bottom end surface of the vacuum chuck 3 can be completely contacted with the ground, so that the vacuum pump 4 is used to pump out the air in the cavity formed between the vacuum chuck 3 and the ground, so as to form a negative pressure space, so that the rectifier cabinet body 1 is firmly fixed on the ground in the process of placing and using, and is prevented from being knocked over;
referring to the attached drawings 1-2 of the specification, in the using process, as the bottom center of the rectifier cabinet body 1 is provided with the hydraulic cylinder 19, the bottom end of the piston rod at the end of the hydraulic cylinder 19 is fixedly connected with the disc 20, both sides of the disc 20 are respectively provided with a notch groove, the inner parts of the two notch grooves are respectively fixedly connected with the first coupling shaft, one side of each of the four vacuum chucks 3 is correspondingly provided with the first ear plate frame 22, the cross rod 24 is arranged between the two adjacent first ear plate frames 22 which are vertically arranged in a collinear way, both ends of the cross rod 24 respectively extend to the outer side end face of the first ear plate frame 22 at the corresponding end, both ends of the cross rod 24 are movably connected with the first ear plate frame 22 through bearings, the middle part at one side of the cross rod 24 is fixedly provided with the second ear plate frame 25, each of the first ear plate frame 22 and the second ear plate frame 25 is composed of two ear plates which are arranged in parallel, and the second coupling shaft is fixedly arranged between the two ear plates of the second ear plate frame 25, be provided with movable connecting rod 21 between first shaft coupling and the second shaft coupling, movable connecting rod 21 both ends are all fixed and are equipped with the axle sleeve, first shaft coupling and second shaft coupling set up respectively inside the axle sleeve that corresponds the end, and with swing joint between the axle sleeve, horizontal pole 24 both ends one side all is provided with fixed connecting rod 23, fixed connecting rod 23 one end is provided with universal wheel 26, be favorable to driving disc 20 downstream through pneumatic cylinder 19, thereby make the movable connecting rod 21 of tilt state become the horizontal state, and fixed connecting rod 23 then becomes vertical state by the tilt state, in order to utilize universal wheel 26 to prop up rectifier cabinet body 1, be convenient for remove rectifier cabinet body 1, otherwise, then drive disc 20 through pneumatic cylinder 19 and go back to contract, can realize hiding universal wheel 26, make landing leg 2 and ground contact, thereby fix rectifier cabinet body 1's position.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (6)

1. The utility model provides a rectifier cabinet arc light protection device, includes rectifier cabinet body (1), its characterized in that: the bottom four corners of the rectifier cabinet body (1) are respectively provided with a support leg (2), the inner side of each support leg (2) is fixedly provided with a vacuum chuck (3), the bottom of the rectifier cabinet body (1) is fixedly provided with a vacuum pump (4), the vacuum pump (4) is communicated with the vacuum chuck (3) through a connecting pipe, the top center of the rectifier cabinet body (1) is provided with an air chamber (5), the air chamber (5) is communicated with the rectifier cabinet body (1), the joint of the air chamber (5) and the rectifier cabinet body (1) is provided with a first fan (6) in a matching manner, the outer wall of the circumferential side of the air chamber (5) is provided with an air inlet pipeline (7), the air inlet pipeline (7) is communicated with the air chamber (5), the inner part of the circumferential side of the air inlet pipeline (7) is fixedly provided with a drying screen plate (8), and the inner part of the drying screen plate (8) is arranged in a hollow manner, the drying agent is filled in the air inlet pipeline, a first dust screen (9) is arranged at one end of the air inlet pipeline (7), the air inlet pipeline (7) is in threaded connection with the first dust screen (9), a rotating handle (10) is fixedly connected at the center of one end of the first dust screen (9), through grooves (11) are formed in the two sides of the rectifier cabinet body (1) in a penetrating mode, blind curtains (12) are arranged in the through grooves (11) in a matching mode, a second fan (14) is arranged at one end of each through groove (11) in a matching mode, a second dust screen (13) is arranged at the joint of each through groove (11) and the second fan (14), through holes are formed in the tops of one ends of blind leaves of the blind curtains (12) in a penetrating mode, a rotating shaft (15) is fixedly sleeved in each through hole, a transmission gear (16) is fixedly connected at one end of the rotating shaft (15), and the blind curtains (12) are composed of a plurality of blind leaves, transmission chains (17) are arranged among transmission gears at the end parts of a plurality of blind leaves of the blind (12) and are in transmission connection through the transmission chains (17), and handles (18) are fixedly arranged on the surfaces of the blind leaves of the blind (12).
2. The rectifier cabinet arc light protection device of claim 1, wherein: the axial section of the supporting leg (2) is L-shaped, and the bottom end face of the supporting leg (2) and the bottom end face of the vacuum chuck (3) are arranged in a coplanar manner.
3. The rectifier cabinet arc light protection device of claim 1, wherein: the drying screen plates (8) on the inner wall of the circumferential side of the air inlet pipeline (7) are arranged in a plurality of numbers, the drying screen plates (8) are distributed inside the air inlet pipeline (7) at equal intervals, and the two adjacent drying screen plates (8) are arranged in a staggered mode.
4. The rectifier cabinet arc light protection device of claim 1, wherein: the rectifier cabinet body (1) is provided with a hydraulic cylinder (19) at the bottom central position, a disc (20) is fixedly connected to the bottom end of a piston rod at the end part of the hydraulic cylinder (19), two notch grooves are formed in two sides of the disc (20) in a penetrating manner, a first coupling shaft is fixedly connected in each notch groove, four vacuum chucks (3) are correspondingly arranged on one side of each vacuum chuck (3), a cross rod (24) is arranged between the first ear plate frames (22) in two adjacent vertical collinear settings, two ends of the cross rod (24) respectively extend to the outer side end faces of the first ear plate frames (22) corresponding to the ends, two ends of the cross rod (24) are movably connected with the first ear plate frames (22) through bearings, a second ear plate frame (25) is fixedly arranged in the middle part of one side of the cross rod (24), and the first ear plate frames (22) and the second ear plate frames (25) are formed by two ear plates which are arranged in parallel, the fixed second shaft coupling that is equipped with between two otic placodes of second otic placode frame (25), be provided with movable connecting rod (21) between first shaft coupling and the second shaft coupling, movable connecting rod (21) both ends are all fixed and are equipped with the axle sleeve, first shaft coupling and second shaft coupling set up respectively inside the axle sleeve that corresponds the end, and with the axle sleeve between swing joint, horizontal pole (24) both ends one side all is provided with fixed connecting rod (23), fixed connecting rod (23) one end is provided with universal wheel (26).
5. The rectifier cabinet arc light protection device of claim 4, wherein: the diameter of the fixed connecting rod (23) is equal to the distance between the two ear plates of the first ear plate frame (22).
6. The rectifier cabinet arc light protection device of claim 4, wherein: the universal wheel (26) is a self-locking universal wheel.
CN201811581344.0A 2018-12-24 2018-12-24 Rectifier cabinet arc light protection device Active CN111355221B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811581344.0A CN111355221B (en) 2018-12-24 2018-12-24 Rectifier cabinet arc light protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811581344.0A CN111355221B (en) 2018-12-24 2018-12-24 Rectifier cabinet arc light protection device

Publications (2)

Publication Number Publication Date
CN111355221A CN111355221A (en) 2020-06-30
CN111355221B true CN111355221B (en) 2022-04-29

Family

ID=71193758

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811581344.0A Active CN111355221B (en) 2018-12-24 2018-12-24 Rectifier cabinet arc light protection device

Country Status (1)

Country Link
CN (1) CN111355221B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113741637B (en) * 2021-09-14 2022-08-30 深圳市卡联科技股份有限公司 AI human-computer interaction terminal all-in-one
CN114654065A (en) * 2022-04-29 2022-06-24 温岭阿凡达机电有限公司 Double-voltage plasma cutting and air compressing integrated machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205944761U (en) * 2016-08-26 2017-02-08 安徽施耐德成套电气有限公司 It is outdoor with dustproof heat dissipation high voltage distribution cabinet
CN106972382A (en) * 2017-05-17 2017-07-21 长沙金定信息技术有限公司 A kind of electric type power equipment power distribution cabinet of dust-proof radiating
CN206386056U (en) * 2016-12-01 2017-08-08 徐州鑫友工控科技发展有限公司 A kind of photovoltaic shutter window of energy automatic open-close
CN107787143A (en) * 2017-10-17 2018-03-09 西安奇搜网络科技有限公司 A kind of electrical control cabinet
CN107940332A (en) * 2017-12-27 2018-04-20 孝感天创信息科技有限公司 A kind of office's LED illumination lamp with fan functionality
CN207282080U (en) * 2017-09-20 2018-04-27 池州市柏悦文化传媒有限公司 A kind of Internet of Things can be with moving advertising frame

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090273151A1 (en) * 2008-03-18 2009-11-05 Mary Young Toy chest and wagon
CN203326426U (en) * 2013-06-24 2013-12-04 吴江市利达上光制品有限公司 Low-pressure switch cabinet
CN203553669U (en) * 2013-11-25 2014-04-16 国家电网公司 Switch cabinet with radiating function
CN207884152U (en) * 2018-01-24 2018-09-18 刘雨 A kind of power distribution cabinet with strong radiator structure

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205944761U (en) * 2016-08-26 2017-02-08 安徽施耐德成套电气有限公司 It is outdoor with dustproof heat dissipation high voltage distribution cabinet
CN206386056U (en) * 2016-12-01 2017-08-08 徐州鑫友工控科技发展有限公司 A kind of photovoltaic shutter window of energy automatic open-close
CN106972382A (en) * 2017-05-17 2017-07-21 长沙金定信息技术有限公司 A kind of electric type power equipment power distribution cabinet of dust-proof radiating
CN207282080U (en) * 2017-09-20 2018-04-27 池州市柏悦文化传媒有限公司 A kind of Internet of Things can be with moving advertising frame
CN107787143A (en) * 2017-10-17 2018-03-09 西安奇搜网络科技有限公司 A kind of electrical control cabinet
CN107940332A (en) * 2017-12-27 2018-04-20 孝感天创信息科技有限公司 A kind of office's LED illumination lamp with fan functionality

Also Published As

Publication number Publication date
CN111355221A (en) 2020-06-30

Similar Documents

Publication Publication Date Title
CN111355221B (en) Rectifier cabinet arc light protection device
CN108799975B (en) City L ED street lamp belt cleaning device
CN210517394U (en) Building electrical control cabinet that radiating effect is good
CN111081817A (en) Solar panel assembly lamination laying device
CN105149262A (en) Electric power helmet cleaning device
CN211507315U (en) Anti-collision device for power transformer
CN212652265U (en) Automobile parts cleaning equipment that removes dust
CN210838644U (en) Switch board that radiating effect is good
CN210087634U (en) Axial flow fan with fan blades convenient to detach and clean
CN106949726A (en) A kind of drying baker for expanding drying amount
CN113800473A (en) Industrial oxygen generator using compressed air
CN213497004U (en) Spark machine for electric spark machining
CN110739623A (en) high-voltage ring net metal closed switch cabinet with moving mechanism
CN212850447U (en) Low input power consumption type voltage drive optical relay
CN220290767U (en) Silicon wafer cleaning mechanism
CN213368314U (en) Frequency conversion cabinet convenient to move
CN217558217U (en) Hollow shutter glass with high light transmission
CN219775916U (en) Green ventilation heat abstractor for building
CN215221314U (en) High-voltage power distribution cabinet with dustproof explosion-proof device
CN211321920U (en) SMT paster machine that can paste many sizes of components is with pasting dress head
CN110802927A (en) Wall decoration lithography apparatus
CN220874834U (en) Cabinet body protector of converter
CN104729247A (en) Electric rotary dryer
CN218040253U (en) Cooling type box-type substation
CN219053984U (en) Cell-phone shell surface polishing equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant