CN114520507A - Safe and reliable's smart power grids active power filter - Google Patents

Safe and reliable's smart power grids active power filter Download PDF

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Publication number
CN114520507A
CN114520507A CN202210251191.3A CN202210251191A CN114520507A CN 114520507 A CN114520507 A CN 114520507A CN 202210251191 A CN202210251191 A CN 202210251191A CN 114520507 A CN114520507 A CN 114520507A
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CN
China
Prior art keywords
fixedly connected
wall
box
heat dissipation
filter device
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Pending
Application number
CN202210251191.3A
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Chinese (zh)
Inventor
董桂玲
王杰
周荔丹
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Nanjing Yueyuan Electric Power Research Institute Co ltd
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Nanjing Yueyuan Electric Power Research Institute Co ltd
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Priority to CN202210251191.3A priority Critical patent/CN114520507A/en
Publication of CN114520507A publication Critical patent/CN114520507A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/01Arrangements for reducing harmonics or ripples
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/303Bases or feet
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/52Mobile units, e.g. for work sites
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/54Anti-seismic devices or installations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/20Active power filtering [APF]

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a safe and reliable active power filter device of a smart grid, which comprises a protective box, wherein a supporting mechanism is fixedly connected between the front part of the lower end and the rear part of the lower end of the protective box, a fixing mechanism is fixedly connected between four corners of the lower box wall of the protective box, a filter device body is clamped in the fixing mechanism, ventilation openings are formed in the upper part and the lower part of the left box wall and the upper part and the lower part of the right box wall of the protective box, dust screens are fixedly connected between the front opening walls and the rear opening walls of the four ventilation openings, baffles are fixedly connected to the upper part and the lower part of the left end and the upper part and the lower part of the right end of the protective box, and support rods are fixedly connected to the four corners of the upper end of the protective box. According to the safe and reliable active power filter device for the smart grid, the whole active power filter device is high in stability, convenient and fast to move, good in heat dissipation effect on the filter device and suitable for wide application.

Description

Safe and reliable's smart power grids active power filter
Technical Field
The invention relates to the technical field of smart power grids, in particular to a safe and reliable active power filter device for a smart power grid.
Background
The active power filter is a novel power electronic device for dynamically inhibiting harmonic waves and compensating reactive power, can quickly track and compensate the harmonic waves with different sizes and frequencies, is called as active, and is relative to a passive LC filter, only can passively absorb the harmonic waves with fixed frequency and size, APF can sample load current and separate each harmonic wave from reactive power, control and actively output the size, frequency and phase of the current, quickly respond, offset corresponding current in the load, realize dynamic tracking compensation, and can compensate the harmonic waves and the reactive power and unbalance; injecting current with the same amplitude and the opposite phase with the harmonic source current into the power grid by using a controllable power semiconductor to enable the total harmonic current of the power supply to be zero so as to achieve the purpose of compensating the harmonic current in real time;
the inventor finds that at least the following problems in the prior art are not solved: 1. the existing filtering device has poor stability, and the stability of the device is easily influenced by accidental collision, so that the device is damaged, the normal use of the device is influenced, and the device is fixed and is not convenient to move; 2. when the existing filtering device is used, the device is complex to install and disassemble, so that the device is troublesome to maintain and replace, the practicability of the device is reduced, the heat dissipation effect of the device is poor, dust is easy to enter, and the service life of the device is influenced; therefore, a safe and reliable active power filter device of the smart grid is provided.
Disclosure of Invention
The invention mainly aims to provide a safe and reliable active power filter device for a smart grid, which can effectively solve the problems in the background art.
In order to realize the purpose, the invention adopts the technical scheme that:
a safe and reliable active power filter device of an intelligent power grid comprises a protective box, wherein a supporting mechanism is fixedly connected between the front part of the lower end of the protective box and the rear part of the lower end of the protective box, a fixing mechanism is fixedly connected between the four corners of the lower box wall of the protective box, a filter device body is clamped in the fixing mechanism, vent holes are formed in the upper part and the lower part of the left box wall and the upper part and the lower part of the right box wall of the protective box, dust screens are fixedly connected between the front opening wall and the rear opening wall of the four vent holes, baffles are fixedly connected with the upper part and the lower part of the left end and the upper part and the lower part of the right end of the protective box, are respectively arranged above the four corresponding vent holes in a downward inclination mode, supporting rods are fixedly connected with the four corners of the upper end of the protective box, and a protection plate is fixedly connected between the upper ends of the four supporting rods, the protection plate is arranged to be of an inverted-v-shaped structure, the middle of the upper box wall of the protection box is fixedly connected with a heat dissipation mechanism in an inserting mode, the front end of the protection box is movably connected with a box door through a hinge, the right part of the front end of the box door is fixedly connected with a controller, and the middle of the front end of the box door is fixedly connected with an observation window in an inserting mode;
The supporting mechanism includes the backup pad, the equal fixedly connected with buffer gear of upper end left part and the upper end right part of backup pad, the upper end four corners of backup pad all alternates fixedly connected with moving mechanism, the upper end front portion and the equal fixedly connected with a plurality of support section of thick bamboo, a plurality of support section of thick bamboo's surface all cup joints damping spring, a plurality of support section of thick bamboo's upper end all with the lower extreme fixed connection of guard box.
As a further improvement of the above scheme, buffer gear includes the dead lever, the equal fixedly connected with fixed plate of left end and right-hand member of dead lever, buffer spring has been cup jointed at the surface left part of dead lever, the surface right part of dead lever alternates swing joint and has the slider, there is the buffer beam upper end of slider through connecting seat swing joint, and the lower extreme swing joint of connecting seat and guard box, two is passed through to the upper end of buffer beam the lower extreme of fixed plate all with the upper end fixed connection of backup pad.
As a further improvement of the above scheme, the moving mechanism includes a fixed cylinder, a multi-stage telescopic rod is fixedly connected to the middle of the upper cylinder wall of the fixed cylinder, an extrusion spring is sleeved on the outer surface of the multi-stage telescopic rod, a limiting plate is fixedly connected to the lower end of the multi-stage telescopic rod, a moving wheel is fixedly connected to the middle of the lower end of the limiting plate, limiting grooves are formed in the middle of the left cylinder wall and the middle of the right cylinder wall of the fixed cylinder, and the lower end of the fixed cylinder is fixedly connected to the upper end of the supporting plate in an inserting manner.
As the further improvement of above-mentioned scheme, fixed establishment includes fixed frame, the equal fixedly connected with support column in lower extreme four corners of fixed frame, and the lower extreme of four support columns all with the lower wall fixed connection of protective housing, two on the left side equal fixedly connected with moisture absorption plate between the opposite face middle part of support column and between the opposite face middle part of two support columns on right side, the lower wall of fixed frame is opened has a plurality of radiating grooves, and between the left cell wall of radiating groove at the middle and the right cell wall common swing joint have fixture, the left end of fixed frame and right-hand member respectively with the left tank wall and the right tank wall fixed connection of protective housing.
As a further improvement of the scheme, the clamping mechanism comprises a driver, the output end of the driver is sequentially fixed on the right tank wall of the protection box and the right tank wall of the heat dissipation groove and is fixedly connected with a positive lead screw and a negative lead screw, the left part and the right part of the outer surface of the positive lead screw and the negative lead screw are respectively and movably connected with moving blocks in an inserting way, the upper ends of the two moving blocks are respectively and fixedly connected with clamping plates, the front parts and the rear parts of the lower ends of the two clamping plates are respectively and fixedly connected with a limiting block, the middle parts of the opposite surfaces of the two clamping plates are respectively and fixedly connected with a plurality of heat dissipation plates, one ends of the plurality of heat dissipation plates, far away from the clamping plates, are respectively and movably connected with the left tank wall and the right tank wall of the protection box in an inserting way, the upper parts of the opposite surfaces of the two clamping plates are respectively and fixedly connected with a plurality of compression springs, one ends of the compression springs, far away from the clamping plates, are respectively and fixedly connected with the left tank wall and the right tank wall of the protection box, the left end and the right end of the positive and negative screw rod are respectively movably connected with the left groove wall and the right groove wall of the heat dissipation groove at the middle through bearings.
As a further improvement of the above scheme, the heat dissipation mechanism includes a heat dissipation cylinder, a heat dissipation fan is fixedly connected to the middle of the inner cylinder wall of the heat dissipation cylinder, an isolation net is fixedly connected to the upper end of the heat dissipation cylinder, two drainage plates are fixedly connected to the middle of the upper end of the isolation net, a plurality of heat dissipation fins are fixedly connected to the upper portion of the outer surface of the heat dissipation cylinder in an inserting manner, and the lower end of the heat dissipation cylinder is fixedly connected to the upper end of the protection box in an inserting manner.
As the further improvement of the scheme, the lower end face of the fixed cylinder is flush with the lower end face of the supporting plate, the left end middle part and the right end middle part of the limiting plate are provided with the protruding blocks, the limiting plate is connected with the two limiting grooves in a sliding mode through the protruding blocks, the lower end face of the sliding block is in contact with the upper end face of the supporting plate, and the supporting cylinder is of an elastic telescopic structure.
As the further improvement of above-mentioned scheme, the diameter length of just reversing the screw is less than the degree of depth of radiating groove, and the degree of depth of radiating groove is unanimous with the thickness of fixed frame lower frame wall, the up end of splint flushes with the up end of filter equipment body, and the length of splint equals the preceding frame wall of fixed frame to the distance between the back frame wall.
As the further improvement of above-mentioned scheme, two the tilt up structure that the drainage plate set up to front and back symmetric distribution, and the up end of two drainage plates all is less than terminal surface under the guard plate, cooling fan, driver, multi-stage telescopic link all with controller electric connection.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the supporting mechanism, the buffering mechanism and the moving mechanism are arranged, the fixed cylinder and the supporting cylinder are limited, and the damping spring and the elasticity of the buffering spring are matched, so that the whole device can be damped and buffered, the device is more stable in use, the stability of the device is effectively improved, the influence on the stability of the device due to accidental collision is avoided, the normal use of the device is ensured, and the moving wheel is pushed to be in contact with the ground by the extension of the multistage telescopic rod, so that the mobility of the device can be realized, and the whole device is convenient to move and carry.
2. According to the invention, the fixing mechanism and the clamping mechanism are arranged, the driver drives the positive screw and the negative screw to rotate, the two clamping plates move in the same direction and clamp and fix the filtering device, the elasticity of the compression spring and the limitation of the heating panel are utilized to enhance the fixing effect of the filtering device, and the installation and the fixation of the device are facilitated, so that the installation and the disassembly of the filtering device are very convenient and fast, the device is convenient to maintain and replace, and the practicability of the device is effectively improved.
3. According to the invention, the heat dissipation effect of the device is enhanced by arranging the heat dissipation mechanism, the heat dissipation of the heat dissipation fan and the heat dissipation of the plurality of heat dissipation fins, the heat dissipation speed of the filter device is accelerated by utilizing the principle that hot air rises, and the dustproof effect can be achieved by the dustproof net and the isolation net, so that dust can be prevented from entering the protective box, and the service life of the device is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of the overall structure of a safe and reliable smart grid active power filter device according to the present invention;
fig. 2 is a schematic diagram of the overall structure of a safe and reliable smart grid active power filter device according to the present invention;
fig. 3 is a schematic structural diagram of a supporting mechanism of a safe and reliable smart grid active power filter device according to the present invention;
FIG. 4 is a schematic structural diagram of a buffering mechanism of a safe and reliable smart grid active power filter device according to the present invention;
Fig. 5 is a schematic structural diagram of a moving mechanism of a safe and reliable smart grid active power filter device according to the present invention;
fig. 6 is a schematic structural diagram of a fixing mechanism of a safe and reliable smart grid active power filter device according to the present invention;
fig. 7 is a schematic structural diagram of a clamping mechanism of a safe and reliable smart grid active power filter device according to the present invention;
fig. 8 is a schematic structural diagram of a heat dissipation mechanism of a safe and reliable smart grid active power filter device according to the present invention.
In the figure: 1. a protective box; 2. a support mechanism; 3. a fixing mechanism; 4. a filter device body; 5. a vent; 6. a dust screen; 7. a baffle plate; 8. a support bar; 9. a heat dissipation mechanism; 10. a protection plate; 11. a box door; 12. a controller; 13. an observation window; 21. a support plate; 22. a buffer mechanism; 23. a moving mechanism; 24. a support cylinder; 25. a damping spring; 221. fixing the rod; 222. a fixing plate; 223. a buffer spring; 224. a slider; 225. a buffer rod; 231. a fixed cylinder; 232. a multi-stage telescopic rod; 233. a compression spring; 234. a limiting plate; 235. a moving wheel; 236. a limiting groove; 31. a fixing frame; 32. a support pillar; 33. a moisture absorption plate; 34. a clamping mechanism; 35. a heat sink; 341. a driver; 342. a positive and negative screw rod; 343. a moving block; 344. a limiting block; 345. a splint; 346. a heat dissipation plate; 347. a compression spring; 91. a heat-dissipating cylinder; 92. a heat radiation fan; 93. an isolation net; 94. a heat sink; 95. a drainage plate.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical scheme of the invention is further explained by combining the attached drawings.
As shown in figures 1-8, a safe and reliable active power filter device of a smart grid comprises a protective box 1, a supporting mechanism 2 is fixedly connected between the front part of the lower end and the rear part of the lower end of the protective box 1, a fixing mechanism 3 is fixedly connected between four corners of the lower box wall of the protective box 1, a filter device body 4 is clamped in the fixing mechanism 3, ventilation openings 5 are formed in the upper part and the lower part of the left box wall of the protective box 1 and the upper part and the lower part of the right box wall of the left box wall and the lower part of the right box wall, a dust-proof net 6 is fixedly connected between the front opening walls and the rear opening walls of the four ventilation openings 5, baffles 7 are fixedly connected to the upper part and the lower part of the left end and the upper part and the lower part of the right end of the protective box 1, the four baffles 7 are respectively arranged above the four corresponding ventilation openings 5 and inclined downwards, supporting rods 8 are fixedly connected to the four corners of the upper end of the protective box 1, the upper ends of the four support rods 8 are fixedly connected with a protection plate 10 together, the protection plate 10 is set to be of an inverted-v-shaped structure, the middle of the upper box wall of the protection box 1 is fixedly connected with a heat dissipation mechanism 9 in an inserting mode, the front end of the protection box 1 is movably connected with a box door 11 through a hinge, the right part of the front end of the box door 11 is fixedly connected with a controller 12, and the middle of the front end of the box door 11 is fixedly connected with an observation window 13 in an inserting mode;
Supporting mechanism 2 includes backup pad 21, the equal fixedly connected with buffer gear 22 of the upper end left part and the upper end right part of backup pad 21, and fixedly connected with moving mechanism 23 all alternates in the upper end four corners of backup pad 21, and the upper end front portion and the equal fixedly connected with a plurality of in upper end rear portion of backup pad 21 support a section of thick bamboo 24, and damping spring 25 is all cup jointed to the surface that a plurality of supported a section of thick bamboo 24, and a plurality of supports the upper end of a section of thick bamboo 24 all with the lower extreme fixed connection of guard box 1.
The buffer mechanism 22 comprises a fixed rod 221, the left end and the right end of the fixed rod 221 are fixedly connected with fixed plates 222, the left part of the outer surface of the fixed rod 221 is sleeved with a buffer spring 223, the right part of the outer surface of the fixed rod 221 is movably connected with a sliding block 224 in a penetrating manner, the upper end of the sliding block 224 is movably connected with a buffer rod 225 through a connecting seat, the upper end of the buffer rod 225 is movably connected with the lower end of the protective box 1 through the connecting seat, and the lower ends of the two fixed plates 222 are fixedly connected with the upper end of the supporting plate 21; the lower end face of the sliding block 224 is in contact with the upper end face of the supporting plate 21, the sliding block 224 can be guided and limited, the sliding block 224 can only move left and right, the stability of the sliding block 224 is also improved, and the supporting cylinder 24 is of an elastic telescopic structure, so that the supporting cylinder 24 can play a role in supporting and limiting.
The moving mechanism 23 comprises a fixed barrel 231, the middle part of the upper barrel wall of the fixed barrel 231 is fixedly connected with a multi-stage telescopic rod 232, the outer surface of the multi-stage telescopic rod 232 is sleeved with an extrusion spring 233, the lower end of the multi-stage telescopic rod 232 is fixedly connected with a limiting plate 234, the middle part of the lower end of the limiting plate 234 is fixedly connected with a moving wheel 235, the middle parts of the left barrel wall and the right barrel wall of the fixed barrel 231 are both provided with limiting grooves 236, and the lower end of the fixed barrel 231 is fixedly connected with the upper end of the supporting plate 21 in a penetrating manner; the lower terminal surface of a fixed section of thick bamboo 231 flushes with the lower terminal surface of backup pad 21, be favorable to removing wheel 235 and stretch out from a fixed section of thick bamboo 231, the left end middle part and the right-hand member middle part of limiting plate 234 all are provided with the lug, and limiting plate 234 passes through lug and two spacing groove 236 sliding connection, can play limiting displacement to limiting plate 234, the stability of limiting plate 234 has been improved, the left end face and the right-hand member face contact of respectively with protective housing 1 are equallyd divide to the right-hand member face of two fixed sections of thick bamboos 231 in the left side and the left end face of two fixed sections of thick bamboos 231 in the right side, can play spacing usefulness to protective housing 1.
Fixing mechanism 3 includes fixed frame 31, the equal fixedly connected with support column 32 in lower extreme four corners of fixed frame 31, and the lower extreme of four support columns 32 all with the lower wall fixed connection of protective housing 1, equal common fixedly connected with moisture absorption plate 33 between the opposite face middle part of two support columns 32 on the left side and between the opposite face middle part of two support columns 32 on the right side, when air enters into protective housing 1 through two vents 5 of downside, can play the adsorbed function of isolation to the moisture in the air through moisture absorption plate 33, the lower wall of fixed frame 31 is opened has a plurality of radiating grooves 35, and common swing joint has fixture 34 between the left cell wall of radiating groove 35 at the middle and the right cell wall, the left end of fixed frame 31 and right-hand member respectively with the left tank wall and the right tank wall fixed connection of protective housing 1.
The clamping mechanism 34 comprises a driver 341, the output end of the driver 341 sequentially fixes the right box wall of the protection box 1 and the right slot wall of the heat dissipation groove 35 and is fixedly connected with a positive lead screw 342 and a negative lead screw 342, the left part and the right part of the outer surface of the positive lead screw 342 are both movably connected with moving blocks 343 in an inserting manner, the upper ends of the two moving blocks 343 are both fixedly connected with clamping plates 345, the front parts and the rear parts of the lower ends of the two clamping plates 345 are both fixedly connected with limit blocks 344, the middle parts of the opposite surfaces of the two clamping plates 345 are both fixedly connected with a plurality of heat dissipation plates 346, one ends of the plurality of heat dissipation plates 346, which are far away from the clamping plates 345, are respectively movably connected with the left box wall and the right box wall of the protection box 1 in an inserting manner, the upper parts of the opposite surfaces of the two clamping plates 345 are both fixedly connected with a plurality of compression springs 347, one ends of the plurality of compression springs 347, which are far away from the clamping plates 345, are respectively fixedly connected with the left box wall and the right box wall of the protection box 1, the left end and the right box wall of the positive lead screw 342 are respectively, and the right slot wall of the left slot wall of the heat dissipation groove 35, which are far away from the middle through bearings, and the right end of the positive lead screw 342 are respectively Connecting; the diameter length of positive and negative lead screw 342 is less than the degree of depth of radiating groove 35, make the upper end of positive and negative lead screw 342 not contact with the lower extreme of filter device body 4, do not influence the rotation of positive and negative lead screw 342, and the degree of depth of radiating groove 35 is unanimous with the thickness of fixed frame 31 lower frame wall, can realize the circulation of the inside air of protective housing 1 through radiating groove 35, the up end of splint 345 flushes with the up end of filter device body 4, the material of splint 345 sets up to copper, can play the heat conduction effect, thereby make two splint 345 respectively with the left end and the right-hand member full contact of filter device body 4, the heat conduction efficiency of splint 345 has been improved, and the length of splint 345 equals the distance between the preceding frame wall of fixed frame 31 to the back frame wall, make the surface lower part of splint 345 just be located fixed frame 31, be favorable to fixed frame 31 spacing to splint 345.
The heat dissipation mechanism 9 comprises a heat dissipation cylinder 91, a heat dissipation fan 92 is fixedly connected to the middle of the inner cylinder wall of the heat dissipation cylinder 91, an isolation net 93 is fixedly connected to the upper end of the heat dissipation cylinder 91, two drainage plates 95 are fixedly connected to the middle of the upper end of the isolation net 93, a plurality of heat dissipation fins 94 are fixedly connected to the upper portion of the outer surface of the heat dissipation cylinder 91 in an inserting manner, and the lower end of the heat dissipation cylinder 91 is fixedly connected to the upper end of the protection box 1 in an inserting manner; two drainage plate 95 set up to the tilt up structure of front and back symmetric distribution, and two drainage plate 95's up end all is less than terminal surface under the guard plate 10, are favorable to drainage plate 95 with steam from the front side and the rear side effluvium of guard plate 10, cooling fan 92, driver 341, multi-stage telescopic rod 232 all with controller 12 electric connection, are favorable to controlling whole device comprehensively through controller 12, make the device more intelligent.
In summary, in the use process of the present invention, the box door 11 is opened first, then the filter device body 4 is placed in the fixed frame 31, and the controller 12 controls the driver 341 to start, so that the driver 341 drives the positive and negative lead screws 342 to rotate, the two moving blocks 343 can respectively drive the two clamping plates 345 to move towards the middle, and the two clamping plates 345 can slide in the heat dissipation grooves 35 for limiting through the limiting blocks 344, so as to clamp and fix the filter device body 4 together and stably, and then the fixing effect of the clamping plates 345 on the filter device body 4 is effectively enhanced by the elasticity of the plurality of compression springs 347 in cooperation with the limiting of the plurality of heat dissipation plates 346, thereby facilitating the stable installation of the filter device body 4, and simultaneously, the installation and disassembly of the filter device body 4 are very convenient, the subsequent maintenance and replacement of the filter device body 4 are facilitated, and the practicability of the device is effectively improved, when the protective box 1 is collided, the primary shock absorption and buffering can be carried out on the shock through the telescopic limit of the supporting cylinder 24 and the elasticity of the shock absorption spring 25, meanwhile, the shock enables the buffer rod 225 to push the sliding block 224 to slide, the buffer spring 223 is extruded, then the buffer spring 223 is reset under the resilience force, the shock can be buffered and buffered again, so that the whole device can be buffered and buffered, the device is more stable when in use, the stability of the device is effectively improved, the problem that the stability of the device is influenced due to the collision is avoided, the normal use of the device is ensured, when the device needs to be moved, the controller 12 controls the multistage telescopic rod 232 to extend, the moving wheel 235 can be pushed to move downwards to be in contact with the ground, the supporting plate 21 is supported to be far away from the ground, then the whole device can be moved and carried through the moving wheel 235, the mobility of the device can be realized, when the filtering device body 4 works and generates a large amount of heat, the heat in the protective box 1 can be pumped into the heat dissipation cylinder 91 through the heat conduction of the clamping plate 345 and the heat dissipation of the heat dissipation plates 346, the heat can be dissipated out of the protective box 1 through the heat dissipation of the heat dissipation plates 94 and the drainage of the drainage plates 95, and a large amount of heat can be dissipated from the front side and the rear side of the protective plate 10 by controlling the starting of the heat dissipation fan 92 through the controller 12, the heat dissipation speed of the device is effectively accelerated by utilizing the principle of hot gas rising, meanwhile, the circulation of air in the protective box 1 can be realized through the vent 5 and the heat dissipation grooves 35, so that the heat dissipation effect on the device is enhanced, the heat dissipation efficiency is improved, and the dustproof effect can be realized through the dustproof net 6 and the isolation net 93, the dust can be prevented from entering the protective box 1, and therefore the service life of the filtering device body 4 is prolonged.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a safe and reliable's smart power grids active power filter device, includes protective housing (1), its characterized in that: a supporting mechanism (2) is fixedly connected between the front part of the lower end and the rear part of the lower end of the protection box (1), a fixing mechanism (3) is fixedly connected between four corners of the lower box wall of the protection box (1), a filtering device body (4) is clamped in the fixing mechanism (3), ventilation openings (5) are formed in the upper part and the lower part of the left box wall and the upper part and the lower part of the right box wall of the protection box (1), dust screens (6) are fixedly connected between the front opening wall and the rear opening wall of the four ventilation openings (5), baffles (7) are fixedly connected to the upper part and the lower part of the left end and the upper part and the lower part of the right end of the protection box (1), the four baffles (7) are respectively arranged above the four corresponding ventilation openings (5) and inclined downwards, supporting rods (8) are fixedly connected to the four corners of the upper end of the protection box (1), protection plates (10) are fixedly connected between the upper ends of the four support rods (8) together, the protection plates (10) are arranged to be of an inverted-v-shaped structure, a heat dissipation mechanism (9) is fixedly connected to the middle of the upper box wall of the protection box (1) in an inserting mode, the front end of the protection box (1) is movably connected with a box door (11) through a hinge, a controller (12) is fixedly connected to the right of the front end of the box door (11), and an observation window (13) is fixedly connected to the middle of the front end of the box door (11) in an inserting mode;
Supporting mechanism (2) are including backup pad (21), the upper end left part and the equal fixedly connected with buffer gear (22) of upper end right part of backup pad (21), the upper end four corners of backup pad (21) all alternates fixedly connected with moving mechanism (23), the upper end front portion and the equal fixedly connected with a plurality of in upper end rear portion of backup pad (21) support a section of thick bamboo (24), a plurality of damping spring (25), a plurality of are all cup jointed to the surface that supports a section of thick bamboo (24) the upper end that supports a section of thick bamboo (24) all with the lower extreme fixed connection of protective housing (1).
2. The safe and reliable smart grid active power filter device according to claim 1, wherein: buffer gear (22) include dead lever (221), the left end and the equal fixedly connected with fixed plate of right-hand member (222) of dead lever (221), buffer spring (223) have been cup jointed to the surface left part of dead lever (221), the surface right part interlude swing joint of dead lever (221) has slider (224), there is buffer beam (225) upper end of slider (224) through connecting seat swing joint, and the lower extreme swing joint of connecting seat and guard box (1), two is passed through to the upper end of buffer beam (225) the lower extreme of fixed plate (222) all with the upper end fixed connection of backup pad (21).
3. The safe and reliable smart grid active power filter device according to claim 2, wherein: the moving mechanism (23) comprises a fixed barrel (231), a multistage telescopic rod (232) is fixedly connected to the middle of the upper barrel wall of the fixed barrel (231), an extrusion spring (233) is sleeved on the outer surface of the multistage telescopic rod (232), a limiting plate (234) is fixedly connected to the lower end of the multistage telescopic rod (232), a moving wheel (235) is fixedly connected to the middle of the lower end of the limiting plate (234), limiting grooves (236) are formed in the middle of the left barrel wall and the middle of the right barrel wall of the fixed barrel (231), and the lower end of the fixed barrel (231) is fixedly connected with the upper end of the supporting plate (21) in an inserting mode.
4. The safe and reliable smart grid active power filter device according to claim 1, wherein: fixing mechanism (3) are including fixed frame (31), the equal fixedly connected with support column (32) in lower extreme four corners of fixed frame (31), and the lower extreme of four support column (32) all with the lower box wall fixed connection of protective housing (1), two on the left side equal common fixedly connected with moisture absorption plate (33) between the opposite face middle part of support column (32) and between the opposite face middle part of two support columns (32) on the right side, the lower frame wall of fixed frame (31) is opened has a plurality of radiating groove (35), and between the left cell wall of radiating groove (35) at the middle and the right cell wall common swing joint have fixture (34), the left end and the right-hand member of fixed frame (31) respectively with the left tank wall and the right tank wall fixed connection of protective housing (1).
5. The safe and reliable smart grid active power filter device according to claim 4, wherein: the clamping mechanism (34) comprises a driver (341), the output end of the driver (341) sequentially fixes the right box wall of the protective box (1) and the right groove wall of the heat dissipation groove (35) and is fixedly connected with a positive and negative screw rod (342), the left part and the right part of the outer surface of the positive and negative screw rod (342) are respectively and movably connected with moving blocks (343) in an inserting way, the upper ends of the two moving blocks (343) are respectively and fixedly connected with a clamping plate (345), the front part and the rear part of the lower end of the two clamping plates (345) are respectively and fixedly connected with a limiting block (344), the middle parts of opposite surfaces of the two clamping plates (345) are respectively and fixedly connected with a plurality of heat dissipation plates (346), one ends of the plurality of heat dissipation plates (346) far away from the clamping plate (345) are respectively and movably connected with the left box wall and the right box wall of the protective box (1) in an inserting way, and the upper parts of the opposite surfaces of the two clamping plates (345) are respectively and fixedly connected with a plurality of compression springs (347), one ends of the compression springs (347) far away from the clamping plate (345) are respectively and fixedly connected with the left box wall and the right box wall of the protective box (1), and the left end and the right end of the positive and negative screw rods (342) are respectively and movably connected with the left groove wall and the right groove wall of the heat dissipation groove (35) at the middle through bearings.
6. The safe and reliable smart grid active power filter device according to claim 1, wherein: the heat dissipation mechanism (9) comprises a heat dissipation cylinder (91), a heat dissipation fan (92) is fixedly connected to the middle of the inner cylinder wall of the heat dissipation cylinder (91), an isolation net (93) is fixedly connected to the upper end of the heat dissipation cylinder (91), two drainage plates (95) are fixedly connected to the middle of the upper end of the isolation net (93), a plurality of heat dissipation fins (94) are fixedly connected to the upper portion of the outer surface of the heat dissipation cylinder (91) in an inserting mode, and the lower end of the heat dissipation cylinder (91) is fixedly connected to the upper end of the protection box (1) in an inserting mode.
7. A safe and reliable smart grid active power filter device according to claim 3, wherein: the lower terminal surface of a fixed section of thick bamboo (231) flushes with the lower terminal surface of backup pad (21), the left end middle part and the right-hand member middle part of limiting plate (234) all are provided with the lug, and limiting plate (234) pass through lug and two spacing grooves (236) sliding connection, the lower terminal surface of slider (224) and the up end contact of backup pad (21), but a support section of thick bamboo (24) set up to elastic telescopic structure.
8. The safe and reliable smart grid active power filter device according to claim 5, wherein: the diameter length of positive and negative lead screw (342) is less than the degree of depth of radiating groove (35), and the degree of depth of radiating groove (35) is unanimous with the thickness of fixed frame (31) lower frame wall, the up end of splint (345) flushes with the up end of filter device body (4), and the length of splint (345) equals the preceding frame wall of fixed frame (31) to the distance between the back frame wall.
9. The safe and reliable smart grid active power filter device according to claim 6, wherein: two drainage plate (95) set up to the tilt up structure of front and back symmetric distribution, and the up end of two drainage plates (95) all is less than terminal surface under guard plate (10), cooling fan (92), driver (341), multi-stage telescopic link (232) all with controller (12) electric connection.
CN202210251191.3A 2022-03-15 2022-03-15 Safe and reliable's smart power grids active power filter Pending CN114520507A (en)

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CN202210251191.3A CN114520507A (en) 2022-03-15 2022-03-15 Safe and reliable's smart power grids active power filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210251191.3A CN114520507A (en) 2022-03-15 2022-03-15 Safe and reliable's smart power grids active power filter

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117254374A (en) * 2023-11-06 2023-12-19 国网安徽省电力有限公司枞阳县供电公司 Automatic control scheduler for power dispatching

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117254374A (en) * 2023-11-06 2023-12-19 国网安徽省电力有限公司枞阳县供电公司 Automatic control scheduler for power dispatching
CN117254374B (en) * 2023-11-06 2024-02-09 国网安徽省电力有限公司枞阳县供电公司 Automatic control scheduler for power dispatching

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