CN117410995B - Self-adaptive adjusting type active power filter - Google Patents
Self-adaptive adjusting type active power filter Download PDFInfo
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- CN117410995B CN117410995B CN202311648844.2A CN202311648844A CN117410995B CN 117410995 B CN117410995 B CN 117410995B CN 202311648844 A CN202311648844 A CN 202311648844A CN 117410995 B CN117410995 B CN 117410995B
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000005192 partition Methods 0.000 claims abstract description 24
- 230000003044 adaptive effect Effects 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims description 19
- 239000003990 capacitor Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- 238000004880 explosion Methods 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/01—Arrangements for reducing harmonics or ripples
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/20—Active power filtering [APF]
Abstract
The application relates to the technical field of power filters and provides an adaptive adjustment type active power filter, which comprises a shell, a first filter and a second filter, wherein the shell is used for fixing and accommodating various mechanisms; the novel air conditioner comprises an L-shaped exhaust pipe, wherein the bottom end of the L-shaped exhaust pipe is fixedly connected to the top end of a shell, a through hole is formed in the bottom end of the L-shaped exhaust pipe, an L-shaped partition plate is fixedly connected to the lower portion of the front end of the L-shaped exhaust pipe, a heat conducting fin is fixedly connected to the front portion of the L-shaped partition plate, a baffle is fixedly connected to the rear portion of the top end of the L-shaped exhaust pipe, a cross plate is fixedly connected to the front side of the top of the L-shaped exhaust pipe, a rotating shaft is rotatably connected to the middle of the cross plate, and an impeller is fixedly connected to the outer side of the rotating shaft. The invention divides the inside of the L-shaped exhaust funnel into a high-pressure area and a low-pressure area through the L-shaped partition plate, the heat conducting sheet and the baffle plate so as to promote air flow, and simultaneously can push the impeller to rotate, thereby further improving the suction effect and ensuring that the temperature inside the shell can be maintained within a certain range by itself.
Description
Technical Field
The invention relates to the technical field of power filters, in particular to a self-adaptive adjusting type active power filter.
Background
Along with the development of science and technology, the electric energy is more and more important in life, and is as large as high-speed rail, aircraft, small as mobile phones and bulbs, but various electric equipment is not linear load, so that certain harmonic wave can be generated more or less when various electric equipment is used, and for partial precision equipment, the current quality can be greatly influenced by the occurrence of the harmonic wave, and further the operation of the equipment can be possibly negatively influenced, so that the non-sine wave in a circuit needs to be filtered.
The filter can be divided into a passive filter and an active filter, wherein the active filter is a filter which can only work after being connected with a power supply, compared with the passive filter, the active filter is insensitive to source impedance and load impedance, signals in a passband are not only free of energy loss, but also amplified, but corresponding internal elements are increased along with the increase of functions, so that the heating problem of related electronic elements is serious, and the ageing of the elements is accelerated due to heat which cannot be timely discharged, so that the production cost is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a self-adaptive adjusting type active power filter, which solves the problems that various electronic elements in a limited space inside the active power filter are difficult to dissipate heat and heat is easy to accumulate.
In order to achieve the above purpose, the invention is realized by the following technical scheme: an adaptive-tuning active power filter, comprising:
a housing for fixing and accommodating the respective mechanisms;
the filtering mechanism is arranged at the bottom end in the shell and is used for carrying out filtering treatment on the circuit;
the fire extinguishing mechanism is arranged at the inner top end of the shell and is used for treating sparks accidentally occurring in the shell;
explosion-proof mechanisms are arranged at two sides of the interior of the shell and used for reducing the pressure of air in the interior of the shell;
the novel air conditioner comprises an L-shaped exhaust pipe, wherein the bottom end of the L-shaped exhaust pipe is fixedly connected to the top end of a shell, a through hole is formed in the bottom end of the L-shaped exhaust pipe, an L-shaped partition plate is fixedly connected to the lower portion of the front end of the L-shaped exhaust pipe, a heat conducting fin is fixedly connected to the front portion of the L-shaped partition plate, a baffle is fixedly connected to the rear portion of the top end of the L-shaped exhaust pipe, a cross plate is fixedly connected to the front side of the top of the L-shaped exhaust pipe, a rotating shaft is rotatably connected to the middle of the cross plate, and an impeller is fixedly connected to the outer side of the rotating shaft.
Preferably, the filtering mechanism comprises a first U-shaped frame, two ends of the first U-shaped frame are respectively and slidably connected to two sides of the inside of the shell, an inner bottom end of the first U-shaped frame is fixedly connected with an L-shaped mounting frame, an amplifier is fixedly connected to the upper portion of the rear end in the L-shaped mounting frame, a high-sensitivity filter capacitor is fixedly connected to the middle portion of the rear end in the L-shaped mounting frame, a control host is fixedly connected to the inner bottom end of the L-shaped mounting frame, a knife switch is fixedly connected to one side of the rear end in the L-shaped mounting frame, and the amplifier and the high-sensitivity filter capacitor are respectively and electrically connected with the control host.
Preferably, the fire extinguishing mechanism comprises a U-shaped frame II, two top fixedly connected with of U-shaped frame are in shell inner top both sides, two inner bottom fixedly connected with spacing section of thick bamboo of U-shaped frame, spacing section of thick bamboo inner bottom fixedly connected with gasbag, gasbag top butt has hollow chock plug, two bottom fixedly connected with risers of U-shaped frame, the equal fixedly connected with spring I in riser both ends, the equal fixedly connected with fixed plate of one end is kept away from mutually to spring I, the equal fixedly connected with thimble in one end middle part is kept away from mutually to the fixed plate, the equal fixedly connected with dry powder balloon in shell bottom both ends, the equal butt in one end upper portion is kept away from mutually to the fixed plate has the connecting block, both sides the equal rotation of connecting block front and back end is connected with bull stick II, a plurality of bull stick II tops all sliding connection is in two bottoms of U-shaped frame, both sides the equal rotation in connecting block top is connected with the arm-tie, the arm is close to one end respectively rotates to be connected in hollow both sides bottom, two bottom both sides of U-shaped frame all offer logical groove II.
Preferably, the explosion-proof mechanism comprises a vacuum bin, one end of the vacuum bin is kept away from each other, the two ends of the vacuum bin are respectively fixedly connected with two sides of the inside of the shell, the two sides of the vacuum bin are respectively fixedly connected with a film, one side of the vacuum bin is internally connected with a transverse plate in a sliding mode, the bottom end of the transverse plate is fixedly connected with a sliding frame, the lower portion of the sliding frame penetrates through the vacuum bin, the sliding frame is located above the knife switch, the bottom end of the transverse plate is fixedly connected with a second spring, the bottom end of the second spring is fixedly connected with the bottom end of the vacuum bin, and the second spring is wound on the outer side of the sliding frame.
Preferably, the heat conducting fin is just right to the through hole, pivot top fixedly connected with limiting disc, limiting disc bottom rotates to be connected on the cross board top, a plurality of logical groove I have been seted up to the inside cross board, the equal fixedly connected with mount in L shape aiutage both ends, mount bottom is fixed connection respectively in shell top both sides.
Preferably, a plurality of air inlets are formed in the bottoms of two sides of the shell, and a filter screen is fixedly connected inside the air inlets.
Preferably, the sliding plates are respectively abutted to two sides of the front end of the U-shaped frame, one ends of the sliding plates are mutually far away from the two sides of the inner part of the shell in a sliding mode, a plurality of first rotating rods are rotationally connected to one bottom end of the U-shaped frame, the first bottom ends of the rotating rods are respectively and slidably connected to the inner bottom end of the shell, and a plurality of ventilation grooves are formed in the first bottom end of the U-shaped frame.
Preferably, the outside sliding connection of hollow chock plug is inside spacing section of thick bamboo, hollow chock plug just is to the through-hole, both sides the equal fixedly connected with limiting plate of fixed plate front and back end, front and back side the limiting plate is close to one end mutually and is sliding connection respectively in two front and back ends both sides of U-shaped frame.
Preferably, a front cover is hinged to one side of the front end of the shell, and a transparent observation window is fixedly connected to the middle of the front cover.
Working principle: when in use, the external circuit, the amplifier, the high-sensitive filter capacitor and the control host are connected with each other through the lead, wherein the non-sinusoidal current signal is amplified through the amplifier, so that the control host can conveniently send a preset corresponding instruction according to the received signal, the non-sinusoidal signal is isolated and compensated through the characteristics of the high-sensitive filter capacitor such as isolation and direct cross connection and energy storage, the aim of removing harmonic waves in the current is achieved, the quality of the current is improved, heat generated by the amplifier, the high-sensitive filter capacitor, the control host and other related electronic components during operation can enter the L-shaped exhaust barrel from the through opening along the arc inclined plane at the inner top of the shell, at the moment, hot air can be enabled to move backwards to the inner rear part of the L-shaped exhaust barrel under the blocking of the L-shaped partition board, and because the hot air has the characteristics of higher temperature and lower pressure, the heat is transferred and lost during the backward movement of the hot air, the rear part in the L-shaped exhaust funnel relatively becomes a high-pressure area, and simultaneously, the heat from the hot air at the through hole can be transferred to the front side of the upper part of the L-shaped partition plate by utilizing the heat conducting sheet, so that the front side area of the upper part of the L-shaped partition plate becomes a low-pressure area, and the air can be accelerated to flow to the front side of the upper part of the L-shaped partition plate by utilizing the difference of the pressure of the high-pressure area and the pressure of the low-pressure area, so that the air can upwards approach the impeller along the L-shaped exhaust funnel, the suction force can be further increased when the impeller rotates under the action of air flow, so that the hot air in the shell is continuously pumped to the outside through the L-shaped exhaust funnel, the aging of various electronic components and circuits is prevented due to the fact that the temperature in the shell is too high, the corresponding pressure change and rotation are more obvious, the air flow speed is faster, the suction effect is better, and the suction speed is reduced as the temperature is reduced, the inside temperature of the shell is always maintained in a proper range, when open fire is caused by the reasons such as breakage and aging of an internal circuit of the shell, the inside temperature of the shell is rapidly increased, at the moment, the air bag is heated and expanded, and then the hollow plug head can be pushed to move upwards along the limiting cylinder, air circulation can be prevented after the hollow plug head moves to be attached to the through hole, and further the open fire development is avoided, the connecting block can be pulled by the pull plate to overcome the resistance of the first spring to be mutually close under the limit of the second U-shaped frame when the hollow plug head moves upwards, the connecting block is not limited by the second U-shaped frame when moving to the second through hole, so the hollow plug head can be driven to move upwards to pass through the second U-shaped frame, meanwhile, the first spring can be utilized to enable the fixing plate to drive the ejector pin to be close to the dry powder balloon after the connecting block cancels acting force applied to the fixing plate, after the dry powder balloon is contacted, the dry powder balloon can be broken, and then the dry powder extinguishing agent stored in the inside can fall to the surface of each electronic element to achieve the aim of self-extinguishing, when the inside temperature of the shell rises, air pressure is increased, and when the air pressure reaches a certain value, the film can be broken to enable the air pressure to enter the air chamber to rapidly, and the air chamber can be broken to enter the vacuum frame to be prevented from the high impact, and the air chamber can be broken, and the air chamber can be rapidly broken, and the air can be prevented from entering the vacuum frame to the vacuum chamber, and the vacuum chamber can be broken, and the air chamber, and the vacuum chamber, and the air chamber, and the explosion can be rapidly, and the explosion.
The invention provides an adaptive adjustment type active power filter. The beneficial effects are as follows:
1. the invention separates the lower part of the L-shaped exhaust funnel into the C-shaped cavity through the L-shaped partition plate, and the heat conduction sheet and the baffle plate can be used for heating the partial area of the C-shaped cavity, so that a high-pressure area and a low-pressure area are formed through temperature change, the purpose of promoting air flow by utilizing air pressure is realized, meanwhile, the air flow can push the impeller to rotate, the suction effect is further improved, the heat accumulation in the shell is prevented, when the temperature in the shell is lower, the rotating speed of the impeller is lower, the temperature difference between the high-pressure area and the low-pressure area is not obvious, the air flow is slow, the temperature in the shell can be automatically regulated to be maintained in a certain proper range, and each electronic element can be ensured to work normally at proper temperature.
2. According to the invention, through the arrangement of the fire extinguishing mechanism and the explosion-proof mechanism, the air circulation can be cut off when the temperature rise and even open fire are caused by the damage and aging of the circuit in the shell, so that more air is prevented from entering the shell to promote the open fire forming, and when the temperature and the air pressure in the shell reach a certain value, the pressure can be automatically released, the power is off, the dry powder extinguishing agent is sprayed, the explosion of the shell is prevented, and the larger danger caused by the fact that the explosion is not treated in time is avoided.
3. According to the invention, the non-sinusoidal electric signal generated by the load is amplified by the amplifier, so that the harmonic wave generated by partial small load is prevented from being effectively found, and then a corresponding instruction is sent to the high-sensitive filter capacitor and the related matching element according to the corresponding electric signal by a program written in the control host in advance, so that the current is isolated and directly intersected through the high-sensitive filter capacitor, the non-sinusoidal signal is removed, and the capacitor is an energy storage element, so that the current can be compensated through the high-sensitive filter capacitor, the current quality is further improved, and the influence on the use of related instruments and equipment is avoided.
Drawings
FIG. 1 is a schematic view of the front side structure of the present invention;
FIG. 2 is a schematic cross-sectional view of an airbag connection structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the mounting frame connection structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present invention;
FIG. 6 is a schematic view of a U-shaped plate connecting structure according to the present invention;
FIG. 7 is an enlarged schematic view of the structure of FIG. 6 at C in accordance with the present invention;
fig. 8 is a schematic cross-sectional view of the housing connection structure of the present invention.
Wherein, 1, the shell; 2. a filtering mechanism; 201. u-shaped frame I; 202. an L-shaped mounting rack; 203. an amplifier; 204. a high-sensitivity filter capacitor; 205. a control host; 206. a knife switch; 207. a slide plate; 208. a first rotating rod; 209. a vent groove; 3. a fire extinguishing mechanism; 301. u-shaped frame II; 302. a limiting cylinder; 303. an air bag; 304. a hollow plug; 305. a vertical plate; 306. a first spring; 307. a fixing plate; 308. a thimble; 309. a dry powder balloon; 310. a connecting block; 311. a second rotating rod; 312. pulling a plate; 313. a second through groove; 314. a limiting plate; 4. an explosion-proof mechanism; 401. a vacuum bin; 402. a film; 403. a cross plate; 404. a carriage; 405. a second spring; 5. an L-shaped exhaust pipe; 6. a through port; 7. an L-shaped partition; 8. a heat conductive sheet; 9. a baffle; 10. a cross plate; 11. a rotating shaft; 12. an impeller; 13. a limiting disc; 14. a first through groove; 15. a fixing frame; 16. an air inlet; 17. a filter screen; 18. a front cover; 19. and a transparent observation window.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
referring to fig. 1 and 3, an embodiment of the present invention provides an adaptive-tuning active power filter, including:
a housing 1 for fixing and accommodating the respective mechanisms;
the bottom end of the L-shaped exhaust tube 5,L is fixedly connected to the top end of the shell 1, a through hole 6 is formed in the bottom end of the L-shaped exhaust tube 5, an L-shaped partition 7 is fixedly connected to the lower portion of the front end in the L-shaped exhaust tube 5, a heat conducting fin 8 is fixedly connected to the front portion of the L-shaped partition 7, a baffle 9 is fixedly connected to the rear portion of the top end in the L-shaped exhaust tube 5, a cross plate 10 is fixedly connected to the front side of the top in the L-shaped exhaust tube 5, a rotating shaft 11 is rotatably connected to the middle of the cross plate 10, and an impeller 12 is fixedly connected to the outer side of the rotating shaft 11.
The shell 1 is communicated with the L-shaped exhaust pipe 5 through the through hole 6, when hot air enters the L-shaped exhaust pipe 5 and is blocked by the L-shaped partition 7 to move towards the rear part in the L-shaped exhaust pipe 5 along the L-shaped partition 7, heat is continuously transferred and lost during movement, so that the temperature of the hot air moving towards the rear part in the L-shaped exhaust pipe 5 is relatively lower than that of the hot air entering the L-shaped exhaust pipe 5 through the through hole 6, meanwhile, the heat can be transferred from the front side of the lower part of the L-shaped partition 7 to the front side of the upper part of the L-shaped partition 7 by the heat conducting sheet 8, the heat of the front side of the upper part of the L-shaped partition 7 is concentrated under the blocking of the baffle 9, the temperature is relatively higher, the front side of the upper part of the L-shaped partition 7 and the rear side area in the L-shaped exhaust pipe 5 are respectively a low pressure area and a high pressure area by utilizing the characteristic of low air temperature and the high pressure of the air, at the moment, the air can flow towards the front side of the upper part of the L-shaped partition 7 under the action of air pressure, thereby generating suction force to accelerate air to enter the L-shaped exhaust funnel 5 from the shell 1 continuously, after the air moves to the front side above the L-shaped partition 7, the air can flow to the impeller 12 along the inner wall of the L-shaped exhaust funnel 5 under the pushing of the subsequent air, the impeller 12 can rotate to generate suction force after being acted by air flow, further the suction effect is further improved, the redundant heat in the shell 1 can be rapidly discharged, in addition, after the internal temperature of the shell 1 is reduced, the hot air entering the L-shaped exhaust funnel 5 is reduced, the air flow amplitude between high and low pressure areas is reduced, the rotating speed of the impeller 12 is reduced, so the suction effect on the hot air is weakened automatically, the internal temperature of the shell 1 is always in a certain range, the working environment temperature of each electronic element is relatively stable, the effect of each electronic element is more beneficial, the purpose of self-adjusting is realized by utilizing the physical characteristics, energy saving and environmental protection, and no manual intervention is needed.
Referring to fig. 1 and 4, a filtering mechanism 2 is disposed at the bottom end in the housing 1, and is used for filtering a circuit;
the filtering mechanism 2 comprises a U-shaped frame I201, two ends of the U-shaped frame I201 are respectively and slidably connected to two sides of the inside of the shell 1, an L-shaped mounting frame 202 is fixedly connected to the inner bottom end of the U-shaped frame I201, an amplifier 203 is fixedly connected to the upper portion of the rear end in the L-shaped mounting frame 202, a high-sensitivity filtering capacitor 204 is fixedly connected to the middle portion of the rear end in the L-shaped mounting frame 202, a control host 205 is fixedly connected to the inner bottom end of the L-shaped mounting frame 202, a knife switch 206 is fixedly connected to one side of the rear end in the L-shaped mounting frame 202, and the amplifier 203 and the high-sensitivity filtering capacitor 204 are respectively and electrically connected with the control host 205.
The U-shaped frame I201 can drive the L-shaped mounting frame 202 to slide outwards, so that each electronic element arranged on the surface of the L-shaped mounting frame 202 can leave the inner area of the shell 1, workers can conveniently and regularly overhaul and replace the electronic element, potential safety hazards are prevented from being discovered in time due to the limitation of the inner space of the shell 1, in addition, harmonic circuit signals caused by nonlinear loads can be amplified by the amplifier 203, the harmonic signals can be ensured to be discovered by related detection elements, corresponding instructions can be further sent out by the control host 205 according to the detection signals, each electronic element is controlled to be matched with each other, and non-sinusoidal signals can be filtered and compensated through the high-sensitivity filter capacitor 204 and the energy storage characteristic, so that output current is smooth and stable, the influence of alternating current on the circuit is reduced, and the instrument or equipment is prevented from being interfered by harmonic waves and being unable to exert due use effects.
Referring to fig. 1, 5 and 7, a fire extinguishing mechanism 3 is disposed at the inner top end of the housing 1 for treating accidental sparks occurring inside the housing 1;
the fire extinguishing mechanism 3 comprises a second U-shaped frame 301, the top end of the second U-shaped frame 301 is fixedly connected to two sides of the inner top end of the shell 1, the inner bottom end of the second U-shaped frame 301 is fixedly connected with a limiting cylinder 302, the inner bottom end of the limiting cylinder 302 is fixedly connected with an air bag 303, the top end of the air bag 303 is in butt joint with a hollow plug 304, the bottom end of the second U-shaped frame 301 is fixedly connected with a vertical plate 305, two ends of the vertical plate 305 are fixedly connected with a first spring 306, one end of the first spring 306 is fixedly connected with a fixed plate 307, the middle of one end of the fixed plate 307 is fixedly connected with a thimble 308, two ends of the bottom of the shell 1 are fixedly connected with dry powder balloons 309, one end of the fixed plate 307 is fixedly connected with a connecting block 310 in butt joint, the front end and the rear end of each connecting block 310 are respectively connected with a second rotating rod 311, the tops of the two connecting blocks 310 are respectively connected with pulling plates 312 in a rotating mode, one end of each pulling plate 312 is close to the bottoms of the two sides of the hollow plug 304 in a rotating mode, and two ends of the bottom of the second U-shaped frame 301 are respectively provided with a through groove 313.
The limiting cylinder 302 can be fixed through the U-shaped frame II 301, when the temperature of the internal circuit or element of the shell 1 rises up and even open flame is caused by aging and damage, the internal temperature of the shell 1 rises rapidly, the air bag 303 positioned in the limiting cylinder 302 can expand along the limiting cylinder 302 at this time, the hollow plug 304 can be pushed to move upwards gradually, after the hollow plug 304 is contacted with the through hole 6, hot air can be prevented from continuously entering the L-shaped exhaust cylinder 5, the circulating air is prevented from bringing more oxygen into the shell 1 to promote open flame forming, when the hollow plug 304 moves upwards, the connecting block 310 connected with the hollow plug 304 through the pulling plate 312 can be mutually closed along the U-shaped frame II 301 under the cooperation of the rotating rod II 311, the fixed plate 307 positioned in the middle area of the connecting block 310 can overcome the elasticity of the spring 306 under the pushing of the connecting block 310, when the connecting block 310 and the rotating rod II 311 move to the position of the through groove II 313, the connecting block 310 and the rotating rod II 311 can be prevented from being limited by the rotating rod II, the connecting block 310 and the rotating rod II 311 can be pulled by the pulling plate 312 to move to the U-shaped frame II through the groove 313 to enable the connecting block II to be prevented from moving to the position of the balloon 309, and the dry powder can be prevented from being seriously broken when the dry powder is applied to the surface of the connecting block 309 and the dry powder is more contacted with the dry powder 309, and the dry powder is prevented from being severely contacting with the dry powder 309, and the dry powder is prevented from being severely broken, and the dry powder is prevented from being severely contacting the surface 309 and being contacted with the surface of the dry powder 309.
Referring to fig. 1, 4 and 6, explosion-proof mechanisms 4 are disposed at both sides of the interior of the housing 1 for depressurizing the air inside the housing 1;
the explosion-proof mechanism 4 comprises a vacuum bin 401, one ends, far away from each other, of the vacuum bin 401 are respectively fixedly connected to two sides of the inside of the shell 1, films 402 are fixedly connected to the top ends of the vacuum bins 401 on the two sides, a transverse plate 403 is fixedly connected to the bottom end of the transverse plate 403 in a sliding manner, a sliding frame 404 is fixedly connected to the bottom end of the transverse plate 403, the lower portion of the sliding frame 404 penetrates through the vacuum bin 401, the sliding frame 404 is located above the knife 206, a spring II 405 is fixedly connected to the outer bottom end of the transverse plate 403, the bottom end of the spring II 405 is fixedly connected to the inner bottom end of the vacuum bin 401, and the spring II 405 is wound on the outer side of the sliding frame 404.
The inner space of the vacuum bin 401 can be separated from the inner space of the shell 1 by the film 402, when the air pressure in the shell 1 reaches a certain value due to heating, the bearable range of the film 402 can be broken, and then the air along with the broken part of the film 402 can rapidly enter the vacuum bin 401 to relieve the inner pressure of the shell 1, so that the explosion of the shell 1 caused by the rapidly increased pressure before the fire extinguishing mechanism 3 fully plays a role is avoided, the air entering the vacuum bin 401 can exert an acting force on the transverse plate 403 under the action of the impact force, and at the moment, the transverse plate 403 which is limited by the spring II 405 and the inner channel of the vacuum bin 401 and is still in a static state can overcome the acting force of the spring II 405 to push the sliding frame 404 to move downwards along the channel, and when the sliding frame 404 moves downwards a certain distance, the sliding frame 404 can be contacted with the knife 206 to enable the knife 206 to rotate downwards, and then the inner and outer lines of the shell 1 can be disconnected, so that all electronic elements in the shell 1 are still under the action of electric force is avoided.
Referring to fig. 1 and 3, the heat conducting fin 8 is opposite to the through hole 6, the top end of the rotating shaft 11 is fixedly connected with a limiting disc 13, the bottom end of the limiting disc 13 is rotatably connected to the top end of the cross plate 10, a plurality of through grooves 14 are formed in the cross plate 10, the two ends of the l-shaped exhaust funnel 5 are fixedly connected with fixing frames 15, and the bottom ends of the fixing frames 15 are respectively and fixedly connected to two sides of the top end of the shell 1.
Because the through hole 6 is opposite to the heat conducting fin 8, most hot air can directly transfer heat to the upper part of the L-shaped partition plate 7 through the heat conducting fin 8, and the stability of the rotating shaft 11 can be improved through the limiting disc 13, so that the impeller 12 is more stable when rotating, the obstruction of the cross plate 10 to air can be reduced by utilizing the uniformly distributed through grooves 14, and in addition, the stability of the L-shaped exhaust funnel 5 can be improved through the fixing frame 15.
Referring to fig. 1 and 2, a plurality of air inlets 16 are formed at bottoms of two sides of a housing 1, and a filter screen 17 is fixedly connected inside the plurality of air inlets 16.
The air inlets 16 which are uniformly distributed can ensure that external cold air can rapidly enter the shell 1 during air exhaust, so that the heat inside the shell 1 can be continuously carried out, and in addition, dust or insects can be prevented from entering the shell 1 through the filter screen 17, so that the electronic components inside the shell 1 are prevented from being damaged due to the influence of external factors.
Referring to fig. 6 and 8,U, two sides of a front end of a first frame 201 are respectively abutted with a sliding plate 207, one end of the sliding plate 207 away from each other is respectively slidably connected to two sides of an interior of the housing 1, a plurality of first rotating rods 208 are rotatably connected to a bottom end of the first frame 201, bottom ends of the first rotating rods 208 are slidably connected to the bottom end of the interior of the housing 1, and a plurality of ventilation slots 209 are formed in the bottom end of the first frame 201.
The first U-shaped frame 201 can be limited through the sliding plate 207, the first U-shaped frame 201 is prevented from driving each electronic element to shake inside the shell 1 through the L-shaped mounting frame 202, friction force born by the first U-shaped frame 201 when the first U-shaped frame 201 moves linearly along the shell 1 can be reduced by utilizing the rotating first rotating rod 208 which is uniformly distributed, and further, workers can conveniently pull out the electronic elements out of the inner space of the shell 1.
Referring to fig. 2 and 7, the outer side of the hollow plug 304 is slidably connected inside the limiting cylinder 302, the hollow plug 304 faces the through hole 6, the front end and the rear end of the two side fixing plates 307 are fixedly connected with limiting plates 314, and the adjacent ends of the front side limiting plate 314 and the rear side limiting plate 314 are slidably connected to the front end and the rear end of the second U-shaped frame 301 respectively.
The limiting cylinder 302 can limit the movement direction of the hollow plug 304, so that the hollow plug 304 is prevented from shaking when moving and cannot normally contact with the through hole 6, in addition, the limiting plate 314 can support and limit the fixing plate 307, so that the fixing plate 307 is prevented from driving the first spring 306 to generate larger abnormal deformation under the action of gravity, the fixing plate 307 can be prevented from rotating under the action of the first spring 306, and the ejector pins 308 cannot normally contact with the dry powder balloon 309.
Referring to fig. 1, a front cover 18 is hinged to one side of the front end of the housing 1, and a transparent viewing window 19 is fixedly connected to the middle of the front cover 18.
The transparent observation window 19 is convenient for a worker to directly check the operation conditions of all parts in the shell 1, so that potential problems can be found in time.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An adaptive-tuning active power filter, comprising:
a housing (1) for fixing and accommodating the respective mechanisms;
the filtering mechanism (2) is arranged at the bottom end in the shell (1) and is used for carrying out filtering treatment on the circuit;
the explosion-proof mechanisms (4) are arranged at two sides of the interior of the shell (1) and are used for reducing the pressure of air in the interior of the shell (1);
the novel air conditioner comprises an L-shaped exhaust barrel (5), wherein the bottom end of the L-shaped exhaust barrel (5) is fixedly connected to the top end of a shell (1), a through hole (6) is formed in the bottom end of the L-shaped exhaust barrel (5), an L-shaped partition plate (7) is fixedly connected to the lower portion of the front end in the L-shaped exhaust barrel (5), a heat conducting fin (8) is fixedly connected to the front portion of the L-shaped partition plate (7), a baffle (9) is fixedly connected to the rear portion of the top end in the L-shaped exhaust barrel (5), a cross plate (10) is fixedly connected to the front side of the inner top of the L-shaped exhaust barrel (5), a rotating shaft (11) is rotationally connected to the middle of the cross plate (10), and an impeller (12) is fixedly connected to the outer side of the rotating shaft (11);
fire extinguishing mechanism (3), it sets up on the top in shell (1) for handle the unexpected spark that appears in shell (1), fire extinguishing mechanism (3) include U-shaped frame two (301), U-shaped frame two (301) top fixedly connected with top both sides in shell (1), U-shaped frame two (301) inner bottom fixedly connected with spacing section of thick bamboo (302), spacing section of thick bamboo (302) inner bottom fixedly connected with gasbag (303), gasbag (303) top butt has hollow plug head (304), U-shaped frame two (301) bottom fixedly connected with riser (305), riser (305) both ends all fixedly connected with spring one (306), one end all fixedly connected with fixed plate (307) are kept away from mutually to spring one end, one end middle part all fixedly connected with thimble (308) are kept away from mutually to fixed plate (307), one end upper portion all butt has (310) in the same bottom fixedly connected with dry powder balloon (309) of shell (1), both sides all are kept away from mutually connecting rod (311) are connected with two connecting blocks (310) two, two connecting blocks (311) are all connected with two tops in the same sliding connection, two connecting blocks (310) are all connected with two tops respectively, the pull plate (312) is close to one end and is respectively connected to the bottoms of two sides of the hollow plug head (304) in a rotating mode, through grooves (313) are formed in two sides of the bottom end of the U-shaped frame II (301), the outer side of the hollow plug head (304) is connected inside the limiting cylinder (302) in a sliding mode, and the hollow plug head (304) is opposite to the through hole (6).
2. The adaptive adjustment type active power filter according to claim 1, wherein the filtering mechanism (2) comprises a first U-shaped frame (201), two ends of the first U-shaped frame (201) are respectively and slidably connected to two sides inside the housing (1), an L-shaped mounting frame (202) is fixedly connected to the inner bottom end of the first U-shaped frame (201), an amplifier (203) is fixedly connected to the upper portion of the inner rear end of the L-shaped mounting frame (202), a high-sensitivity filtering capacitor (204) is fixedly connected to the middle portion of the inner rear end of the L-shaped mounting frame (202), a control host (205) is fixedly connected to the inner bottom end of the L-shaped mounting frame (202), and a knife switch (206) is fixedly connected to one side of the inner rear end of the L-shaped mounting frame (202), and the amplifier (203) and the high-sensitivity filtering capacitor (204) are respectively and electrically connected to the control host (205).
3. The adaptive adjustment type active power filter according to claim 2, wherein the explosion-proof mechanism (4) comprises a vacuum bin (401), one end of the vacuum bin (401) is far away from each other and is fixedly connected with two sides in the shell (1), two sides of the vacuum bin (401) are fixedly connected with films (402) respectively, one side of the vacuum bin (401) is internally and slidably connected with a transverse plate (403), the bottom end of the transverse plate (403) is fixedly connected with a sliding frame (404), the lower part of the sliding frame (404) penetrates through the vacuum bin (401), the sliding frame (404) is located above a knife switch (206), a second spring (405) is fixedly connected with the outer bottom end of the transverse plate (403), the second spring (405) is fixedly connected with the inner bottom end of the vacuum bin (401), and the second spring (405) is wound on the outer side of the sliding frame (404).
4. The adaptive adjustment type active power filter according to claim 1, wherein the heat conducting fin (8) is opposite to the through hole (6), a limiting disc (13) is fixedly connected to the top end of the rotating shaft (11), the bottom end of the limiting disc (13) is rotatably connected to the top end of the cross plate (10), a plurality of through grooves (14) are formed in the cross plate (10), fixing frames (15) are fixedly connected to two ends of the L-shaped exhaust funnel (5), and the bottom ends of the fixing frames (15) are fixedly connected to two sides of the top end of the shell (1) respectively.
5. The adaptive adjustment type active power filter according to claim 1, wherein a plurality of air inlets (16) are formed in the bottoms of two sides of the housing (1), and a filter screen (17) is fixedly connected to the inside of each air inlet (16).
6. The adaptive adjustment type active power filter according to claim 2, wherein two sides of the front end of the first U-shaped frame (201) are respectively abutted with sliding plates (207), one ends of the sliding plates (207) are far away from each other and are respectively connected with two sides of the inside of the housing (1) in a sliding mode, the bottom end of the first U-shaped frame (201) is rotationally connected with a plurality of first rotating rods (208), the bottom ends of the first rotating rods (208) are respectively connected with the bottom end of the inside of the housing (1) in a sliding mode, and a plurality of ventilation grooves (209) are formed in the bottom end of the first U-shaped frame (201).
7. The adaptive adjustment type active power filter according to claim 1, wherein the front end and the rear end of the fixing plate (307) at both sides are fixedly connected with limiting plates (314), and the front end and the rear end of the limiting plates (314) are close to one end and are respectively connected with both sides of the front end and the rear end of the U-shaped frame two (301) in a sliding manner.
8. An adaptive adjustment type active power filter according to claim 1, wherein a front cover (18) is hinged to one side of the front end of the housing (1), and a transparent observation window (19) is fixedly connected to the middle of the front cover (18).
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| CN202311648844.2A CN117410995B (en) | 2023-12-04 | 2023-12-04 | Self-adaptive adjusting type active power filter |
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| CN202311648844.2A CN117410995B (en) | 2023-12-04 | 2023-12-04 | Self-adaptive adjusting type active power filter |
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| CN117410995B true CN117410995B (en) | 2024-04-02 |
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| CN117410995A (en) | 2024-01-16 |
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