CN111741621B - Reactive power control device - Google Patents

Reactive power control device Download PDF

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Publication number
CN111741621B
CN111741621B CN202010631165.4A CN202010631165A CN111741621B CN 111741621 B CN111741621 B CN 111741621B CN 202010631165 A CN202010631165 A CN 202010631165A CN 111741621 B CN111741621 B CN 111741621B
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Prior art keywords
dust
shell
net
rotating shaft
wall
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CN202010631165.4A
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Chinese (zh)
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CN111741621A (en
Inventor
刘凤侠
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Beijing Ruimai Sanhe Technology Co ltd
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Beijing Ruimai Sanhe Technology Co ltd
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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
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
    • B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
    • 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
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • 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
    • 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
    • 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
    • H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
    • H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
    • 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
    • Y02E40/30—Reactive power compensation

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention discloses a reactive power control device, which comprises a shell, wherein a display panel is arranged above the shell, four corners of the upper surface of the display panel are respectively provided with a rubber pad, a first spring is arranged inside the rubber pad, the left side and the right side inside the shell are respectively provided with a heat absorption box, a ventilation net is arranged below the inside of the shell, a radiating fan is arranged below the ventilation net, the left side and the right side outside the shell are respectively provided with a limiting groove, a limiting screw hole is formed inside the limiting groove, a screw is arranged inside the limiting screw hole, a positioning block is connected to the outer side of the screw, a positioning hole is formed in the surface of the positioning block, radiating nets are arranged on the upper side and the lower side of the limiting groove, an anti-abrasion sheet is arranged behind the shell, and a waterproof pad. This reactive power controlling means sets up the rubber pad in display panel four corners, can play the cushioning protection effect to display panel, prevents to place the in-process at the transport and takes place to collide with and cause display panel to damage.

Description

Reactive power control device
Technical Field
The invention relates to the technical field of controllers, in particular to a reactive power control device.
Background
The reactive power control device is the control of the exchange of reactive power between a converter or a high-voltage direct-current converter station and an alternating-current power grid connected with the converter or the high-voltage direct-current converter station, and the converter or the high-voltage direct-current converter station can convert and transmit energy by establishing an alternating magnetic field. The electrical power required to establish the alternating magnetic field and the induced magnetic flux is called reactive power.
The display panel corner of the existing reactive power control device is unprotected, and the display panel is damaged due to collision in the carrying and placing process, so that the use of the device is influenced.
Disclosure of Invention
The invention aims to provide a reactive power control device, which aims to solve the problems that the corners of a display panel of the conventional reactive power control device in the background art are not protected, and the display panel is damaged due to collision in the carrying and placing process, so that the use of the device is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: reactive power control device, including casing and abrasionproof piece, the top of casing is provided with display panel, and display panel's upper surface four corners all is provided with the rubber pad, the inside of rubber pad is provided with first spring, the inside left and right sides of casing all is provided with the heat absorption box, the inside below of casing is provided with ventilative net, and ventilative net's below is provided with the gas fan that looses, the outside left and right sides of casing all is provided with the spacing groove, and the inside of spacing groove has seted up spacing screw, the inside of spacing screw is provided with the screw, and the outside of screw is connected with the locating piece, the locating hole has been seted up on the surface of locating piece, the upper and lower both sides of spacing groove all are provided with the radiator-grid, the abrasionproof piece sets up in the rear of casing.
Preferably, the rubber pad and the display panel are in adhesive connection, and the rubber pad and the first spring are in elastic connection.
Preferably, the heat absorbing boxes are fixedly connected with the shell, and the number of the heat absorbing boxes is two.
Preferably, the air dispersing fan forms a communicating structure with the shell through the air permeable net, and the air permeable net is a hollow net structure.
Preferably, the positioning block is in threaded connection with the limiting screw hole through a screw, and a communicating structure is formed between the positioning hole and the positioning block.
Preferably, the wear-proof pieces are symmetrical about the horizontal center of the shell, and the number of the wear-proof pieces is four.
Preferably, the waterproof pad is matched with the inner size of the anti-wear sheet, and the waterproof pad is connected with the anti-wear sheet in a face-to-face mode.
Preferably, a dust removing device is arranged in the housing, and the dust removing device includes:
one end of the first rotating shaft is fixedly connected with a rotating shaft of the air-dispersing fan through a coupler, and the other end of the first rotating shaft is provided with a first bevel gear;
the two second rotating shafts are symmetrically arranged on the left side and the right side of the first rotating shaft, one end, close to the air dispersing fan, of each second rotating shaft is fixedly connected with the inner wall of the shell through a first bearing, the other end of each second rotating shaft is provided with a cylinder, and the outer wall of each cylinder is provided with an annular wave groove;
a second bevel gear arranged on the second rotating shaft, the second bevel gear being positioned between the cylinder and the first bearing, the second bevel gear being engaged with the first bevel gear;
the fixed plate is arranged between the second rotating shaft and the inner wall of the shell and is parallel to the second rotating shaft, the front side wall and the rear side wall of the fixed plate are fixedly connected with the front inner wall and the rear inner wall of the shell, and a sliding groove is formed in the fixed plate close to the upper end;
the sliding rod is arranged in the sliding groove, one end of the sliding rod is connected with the annular wavy groove in a sliding mode, the other end of the sliding rod extends to the outside of the sliding groove and is connected with a connecting rod in a hinged mode, a through hole is formed in the sliding rod, and the sliding rod can slide up and down in the sliding groove;
the guide rod penetrates through the through hole and is arranged in the sliding groove, two ends of the guide rod are fixedly connected with the inner walls of the upper end and the lower end of the sliding groove respectively, a second spring is sleeved on the guide rod, one end of the second spring is fixedly connected with the inner wall of the upper end of the sliding groove, and the other end of the second spring is fixedly connected with the upper surface of the sliding rod;
the swing rod is arranged on one side, away from the second rotating shaft, of the fixing plate, one end of the swing rod is hinged to the side wall of the lower end of the fixing plate, the other end of the swing rod is provided with the ash removal hammer, and the middle of the swing rod is hinged to the connecting rod.
Preferably, still set up dust collector in the casing, dust collector includes:
the dust remover is arranged on the inner wall of the shell and can send compressed air to remove dust attached to the breathable net;
the dust sensor is arranged on the surface of the breathable net and used for detecting the concentration of dust attached to the surface of the breathable net;
the ultrasonic sensor is arranged on the inner wall of the shell and positioned above the breathable net and used for detecting the thickness of dust on the surface of the breathable net;
the controller is arranged on the inner wall of the shell and is respectively and electrically connected with the dust remover, the dust sensor and the ultrasonic sensor;
the controller controls the dust remover to work based on the dust sensor and the ultrasonic sensor, and adjusts the air flow output by the dust remover, and the method comprises the following steps:
step 1: when the dust thickness detected by the ultrasonic sensor is equal to a first preset dust thickness, the controller controls the dust remover to be started and remove dust, and when the dust thickness detected by the ultrasonic sensor is equal to a preset target dust thickness, the controller controls the dust remover to be closed and stops removing dust;
calculating the dust removal efficiency when the dust thickness on the surface of the air-permeable net reaches a first preset dust thickness and is removed to a preset target dust thickness through a dust remover according to a formula (1):
Figure BDA0002564957950000031
wherein mu is the dust removal efficiency; rho2When the dust thickness detected by the ultrasonic sensor is equal to a first preset dust thickness, the dust sensor detects the dust concentration on the surface of the breathable net; rho1To preset dust concentration, h2Is a first predetermined dust thickness, h1Presetting a target dust thickness;
step 2: based on the dust removal efficiency calculated by the formula (1), a target air flow rate output from the dust remover is calculated according to the formula (2), and then the controller adjusts the air flow rate output from the dust remover to the target air flow rate:
Figure BDA0002564957950000041
wherein Q is1The target air flow output by the dust remover is represented by l, r, n and S, wherein l is the length of the air-permeable net, r is the width of the air-permeable net, n is the number of air holes in the air-permeable net, and0is the area of the vent hole, t1The working time is preset for the dust remover.
Compared with the prior art, the invention has the following beneficial effects:
1. the four corners of the display panel are provided with the rubber pads, so that the display panel can be buffered and protected, the display panel is prevented from being damaged due to collision in the carrying and placing processes, the use effect is prevented from being influenced, the corners of the display panel are prevented from injuring carrying workers, the heat absorption box is arranged, hot air generated in the shell due to work can be absorbed, the shell is prevented from being damaged due to overhigh heat, and the service life is further prevented from being influenced;
2. the air-dispersing fan is arranged to discharge air in the shell through the air-permeable net, and meanwhile, air in the external environment can enter the air-dispersing fan, so that air exchange can be realized, and the air is prevented from influencing the shell in the shell for a long time;
3. the anti-abrasion piece is arranged to prevent the shell from directly contacting with the ground to cause abrasion, and the waterproof pad is arranged to prevent water vapor on the ground from entering the shell through the anti-abrasion piece to damage equipment inside the shell;
4. by arranging the dust removing device, the sliding rod is controlled to reciprocate up and down in the sliding groove, so that the dust removing hammer is driven to intermittently knock the heat dissipation net, dust attached to the heat dissipation net falls, and dust removal of the heat dissipation net is realized;
5. through setting up dust collector, can open the dust remover work according to ventilative net surface adnexed dust thickness is automatic, carry out dust removal work to ventilative net surface, avoid influencing the inside and outside gas circulation of casing because of ventilative net blocks up, can change the air mass flow of dust remover output simultaneously according to the dust concentration that detects, make the dust remover accomplish the dust removal work to ventilative net in predetermineeing the operating duration, improved work efficiency.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic view of the screw joint structure of the present invention;
FIG. 5 is a schematic view of the ash removal device of the present invention;
FIG. 6 is an enlarged view of the invention at A.
In the figure: 1. a housing; 2. a display panel; 3. a heat absorption box; 4. a breathable net; 5. a ventilation fan; 6. a rubber pad; 7. a first spring; 8. a heat-dissipating web; 9. a limiting screw hole; 10. a limiting groove; 11. a screw; 12. positioning blocks; 13. an anti-wear sheet; 14. a waterproof pad; 15. positioning holes; 16. a first rotating shaft; 17. a coupling; 18. a rotating shaft; 19. a first bevel gear; 20. a second rotating shaft; 21. a first bearing; 22. a barrel; 23. an annular wave groove; 24. a second bevel gear; 25. a fixing plate; 26. a chute; 27. a slide bar; 28. a connecting rod; 29. a through hole; 30. a guide bar; 31. a second spring; 32. a swing rod; 33. and (5) a deashing hammer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the reactive power control device comprises a shell 1 and an anti-abrasion sheet 13, wherein a display panel 2 is arranged above the shell 1, rubber pads 6 are arranged at four corners of the upper surface of the display panel 2, a first spring 7 is arranged inside the rubber pads 6, the rubber pads 6 are in adhesive connection with the display panel 2, the rubber pads 6 are in elastic connection with the first springs 7, the rubber pads 6 are arranged to prevent the display panel 2 from colliding during the carrying and placing processes to cause damage to the display panel 2 and influence the use effect of the display panel 2, meanwhile, the corners of the display panel 2 are prevented from causing injury to carrying workers, heat absorption boxes 3 are arranged at the left side and the right side of the interior of the shell 1, the heat absorption boxes 3 are fixedly connected with the shell 1, the number of the heat absorption boxes 3 is two, and the heat absorption boxes 3 can absorb hot air generated by work in the shell 1, the damage to the interior of the shell 1 caused by overhigh heat is prevented, so that the service life is influenced;
the ventilation net 4 is arranged below the inner part of the shell 1, the air-dispersing fan 5 is arranged below the ventilation net 4, the air-dispersing fan 5 forms a communicating structure with the shell 1 through the ventilation net 4, the ventilation net 4 is a hollow net structure, the air-dispersing fan 5 can discharge the air in the shell 1 through the ventilation net 4, and can simultaneously allow the air in the external environment to enter, thereby realizing the exchange of the air, preventing the air from influencing the shell 1 in the shell 1 for a long time, the left side and the right side of the outer part of the shell 1 are both provided with the limiting grooves 10, the limiting grooves 10 are internally provided with the limiting screw holes 9, the screws 11 are arranged in the limiting screw holes 9, the outer sides of the screws 11 are connected with the positioning blocks 12, the surface of the positioning blocks 12 is provided with the positioning holes 15, the positioning blocks 12 are in threaded connection with the limiting screw holes 9 through the screws 11, and the communicating structure is, the surface of the limiting groove 10 is provided with a limiting screw hole 9, the position of the positioning block 12 can be adjusted according to the requirement of the installation environment, and the positioning hole 15 can realize the fixation of the shell 1;
the upper and lower both sides of spacing groove 10 all are provided with radiator-grid 8, wear sheet 13 sets up in casing 1's rear, wear sheet 13 is symmetrical about casing 1's horizontal direction central point, and wear sheet 13's quantity is provided with four, it can prevent casing 1 direct and ground contact to be provided with wear sheet 13, cause wearing and tearing, wear sheet 13's inside is provided with waterproof pad 14, waterproof pad 14 is identical with wear sheet 13's inside size, and waterproof pad 14 is connected with wear sheet 13 between the bonding, it prevents that the aqueous vapor on ground from entering into casing 1 inside to be provided with waterproof pad 14 through wear sheet 13, cause the damage to casing 1 internal plant.
Other structures of the reactive power control device are all located in the shell, and the structure and the working principle of the reactive power control device are the prior art, and are not described herein again.
The working principle is as follows: when the reactive power control device is used, firstly, the shell 1 is placed at a proper position, the rubber pad 6 on the display panel 2 can prevent workers from colliding in the carrying process of the shell 1, the first spring 7 plays a certain buffering role during placement, collision of the display panel 2 is further reduced, the wear-resisting sheet 13 prevents the contact surface from causing abrasion to the shell 1, the waterproof pad 14 prevents water and air on the contact surface from entering the shell 1, after the shell 1 is placed, a proper fixed position is selected, the screw 11 is rotated to enter the corresponding limiting screw hole 9 to be fastened, the limiting screw hole 9 is arranged inside the limiting groove 10, then the shell 1 is fixed according to the positioning hole 15 on the surface of the positioning block 12, so that the shell 1 can be fixed, after the shell 1 is fixed, a part of hot air generated in the working process is absorbed by the heat absorption box 3, and a part of the hot air is emitted through the heat dissipation net 8, the ventilation fan 5 can work by electrifying to diffuse part of the gas in the shell 1 through the ventilation net 4, and the working principle of the reactive power control device is the same. And the protection effect through above-mentioned rubber pad and inside first spring is in order to reduce colliding with in the handling, has solved current reactive power controlling means's display panel corner and has not been protected, takes place to collide with and can cause display panel's damage in the handling placing process, influences the problem that the device used.
In one embodiment, as shown in fig. 5 and 6, a dust removing device is disposed in the housing, and the dust removing device includes:
one end of the first rotating shaft 16 is fixedly connected with a rotating shaft 18 of the air-dispersing fan 5 through a coupler 17, and the other end of the first rotating shaft 16 is provided with a first bevel gear 19;
the two second rotating shafts 20 are symmetrically arranged on the left side and the right side of the first rotating shaft 16, one end, close to the air dispersing fan 5, of each second rotating shaft 20 is fixedly connected with the inner wall of the shell 1 through a first bearing 21, the other end of each second rotating shaft 20 is provided with a cylinder 22, and the outer wall of each cylinder 22 is provided with an annular wave groove 23;
a second bevel gear 24, the second bevel gear 24 being disposed on the second rotating shaft 20, the second bevel gear 24 being located between the cylinder 22 and the first bearing 21, the second bevel gear 24 being engaged with the first bevel gear 19;
the fixed plate 25 is arranged between the second rotating shaft 20 and the inner wall of the shell 1, the fixed plate 25 is parallel to the second rotating shaft 20, the front and rear side walls of the fixed plate 25 are fixedly connected with the front and rear inner walls of the shell 1, and a sliding groove 26 is arranged in the fixed plate 25 near the upper end;
a sliding rod 27, the sliding rod 27 is arranged in the sliding groove 26, one end of the sliding rod 27 is slidably connected with the annular wavy groove 23, the other end of the sliding rod 27 extends to the outside of the sliding groove 26 and is hinged with a connecting rod 28, a through hole 29 is arranged in the sliding rod 27, and the sliding rod 27 can slide up and down in the sliding groove 26;
the guide rod 30 penetrates through the through hole 29 and is arranged in the sliding groove 26, two ends of the guide rod 30 are fixedly connected with the inner walls of the upper end and the lower end of the sliding groove 26 respectively, a second spring 31 is sleeved on the guide rod 30, one end of the second spring 31 is fixedly connected with the inner wall of the upper end of the sliding groove 26, and the other end of the second spring 31 is fixedly connected with the upper surface of the sliding rod 27;
the swing rod 32 is arranged on one side, far away from the second rotating shaft 20, of the fixed plate 25, one end of the swing rod 32 is hinged to the side wall of the lower end of the fixed plate 25, the other end of the swing rod 32 is provided with the ash removal hammer 33, and the middle of the swing rod 32 is hinged to the connecting rod 28.
The working principle and the beneficial effects of the technical scheme are as follows: when the air-dispersing fan 5 rotates, the rotating shaft 18 of the air-dispersing fan 5 rotates, and drives the first rotating shaft 16 to rotate through the coupling 17, the first rotating shaft 16 rotates to drive the first bevel gear 19 to rotate, the first bevel gear 19 rotates to drive the second bevel gears 24 on both sides to rotate, the second bevel gears 24 drive the second rotating shaft 20 to rotate in the first bearing 21, and the second rotating shaft 20 drives the cylinder 22 to rotate, the outer wall of the cylinder 22 is provided with the annular wave groove 23, one end of the sliding rod 27 is slidably connected with the annular wave groove 23, and under the rotation of the annular wave groove 23, the sliding rod 27 reciprocates up and down along the annular wave groove 23, meanwhile, the second spring 31 and the guide rod 30 can guide the sliding rod 27, so that the sliding rod 27 slides up and down along the guide rod 30 in the sliding groove 26, when the sliding rod 27 moves down in the sliding groove 26, the sliding rod 27 drives the swing rod 32 to gradually approach the heat-dispersing net 8 through the, when slide bar 27 removed spout 26 bottom, deashing hammer 33 surface on the pendulum rod 32 contacts with radiator-grid 8, and to radiator-grid 8 striking, strike radiator-grid 8 adnexed dust, accomplish the deashing to radiator-grid 8, when slide bar 27 continued from down up moving, slide bar 27 drives pendulum rod 32 through connecting rod 28 and keeps away from radiator-grid 8 gradually, through setting up the ash removal device, control slide bar 27 carries out reciprocating motion from top to bottom in spout 26, thereby it is interrupted to strike radiator-grid 8 to drive deashing hammer 33, make the dust of attaching to radiator-grid 8 descend, the realization is to the deashing of radiator-grid 8.
In one embodiment, a dust removing device is further disposed in the housing 1, and the dust removing device includes:
the dust remover is arranged on the inner wall of the shell 1 and can send compressed air to remove dust attached to the breathable net 4;
the dust sensor is arranged on the surface of the breathable net 4 and used for detecting the dust concentration attached to the surface of the breathable net 4;
the ultrasonic sensor is arranged on the inner wall of the shell 1 and positioned above the breathable net 4, and the ultrasonic sensor is used for detecting the thickness of dust on the surface of the breathable net 4;
the controller is arranged on the inner wall of the shell 1 and is respectively and electrically connected with the dust remover, the dust sensor and the ultrasonic sensor;
the controller controls the dust remover to work based on the dust sensor and the ultrasonic sensor, and adjusts the air flow output by the dust remover, and the method comprises the following steps:
step 1: when the dust thickness detected by the ultrasonic sensor is equal to a first preset dust thickness, the controller controls the dust remover to be started and remove dust, and when the dust thickness detected by the ultrasonic sensor is equal to a preset target dust thickness, the controller controls the dust remover to be closed and stops removing dust;
calculating the dust removal efficiency when the dust thickness on the surface of the breathable net 4 reaches a first preset dust thickness and is removed to a preset target dust thickness through a dust remover according to a formula (1):
Figure BDA0002564957950000091
wherein mu is the dust removal efficiency; rho2When the dust thickness detected by the ultrasonic sensor is equal to a first preset dust thickness, the dust sensor detects the dust concentration on the surface of the breathable net 4; rho1To preset dust concentration, h2Is a first predetermined dust thickness, h1Presetting a target dust thickness;
step 2: based on the dust removal efficiency calculated by the formula (1), a target air flow rate output from the dust remover is calculated according to the formula (2), and then the controller adjusts the air flow rate output from the dust remover to the target air flow rate:
Figure BDA0002564957950000101
wherein Q is1The target air flow output by the dust remover is represented by l, the length of the air-permeable net 4, r, the width of the air-permeable net 4, n, the number of air holes in the air-permeable net 4 and S0Is the area of the vent hole, t1The working time is preset for the dust remover.
The working principle and the beneficial effects of the technical scheme are as follows: still be provided with dust collector in casing 1, wherein, ultrasonic sensor can detect the dust thickness on ventilative net 4 surfaces, when the dust thickness that ultrasonic sensor detected equals first preset dust thickness, the controller control dust remover opens, the dust remover carries out the deashing dust removal to ventilative net 4 surfaces through the air that blows off, when the dust thickness that ultrasonic sensor detected equals to predetermine target dust thickness, the controller control dust remover closes, stop dust removal, the dust collection efficiency of dust remover can be calculated through formula (1), wherein, dust concentration is greater than preset dust concentration all the time before the dust removal, because the difference of dust concentration before the dust removal, dust collection efficiency also can be different, when dust concentration is high before the dust removal, dust collection efficiency is higher, when dust concentration is low before the dust removal, dust collection efficiency is lower, therefore, when the dust remover opens, can calculate the dust remover according to different dust concentration before the dust removal and different dust collection efficiency through formula (2) and in advance In the working time period, the target air flow required to be achieved is set, then the air flow output by the dust remover is adjusted to the target air flow calculated by the formula (2) through the controller, so that the dust remover efficiently removes dust on the breathable net 4, the dust remover can be automatically started to work according to the thickness of dust attached to the surface of the breathable net 4 by setting the dust removing device, the dust removing work is performed on the surface of the breathable net 4, the influence on the gas circulation inside and outside the shell 1 due to the blockage of the breathable net 4 is avoided, meanwhile, the air flow output by the dust remover can be changed according to the detected dust concentration, so that the dust removing work of the breathable net 4 is completed by the dust remover in the preset working time period, and the working.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. Reactive power controlling means, including casing (1) and abrasionproof piece (13), its characterized in that: a display panel (2) is arranged above the shell (1), four corners of the upper surface of the display panel (2) are respectively provided with a rubber pad (6), a first spring (7) is arranged inside the rubber pad (6), the left side and the right side of the interior of the shell (1) are respectively provided with a heat absorption box (3), a breathable net (4) is arranged below the interior of the shell (1), a gas dissipation fan (5) is arranged below the breathable net (4), the left side and the right side of the exterior of the shell (1) are respectively provided with a limiting groove (10), a limiting screw hole (9) is arranged inside the limiting groove (10), a screw (11) is arranged inside the limiting screw hole (9), the outer side of the screw (11) is connected with a positioning block (12), the surface of the positioning block (12) is provided with a positioning hole (15), and the upper side and the lower side of the limiting groove (10) are respectively provided, the anti-abrasion sheet (13) is arranged at the rear of the shell (1), and a waterproof pad (14) is arranged inside the anti-abrasion sheet (13);
set up ash removal device in casing (1), ash removal device includes:
one end of the first rotating shaft (16) is fixedly connected with a rotating shaft (18) of the air-dispersing fan (5) through a coupler (17), and the other end of the first rotating shaft (16) is provided with a first bevel gear (19);
the two second rotating shafts (20) are symmetrically arranged on the left side and the right side of the first rotating shaft (16), one end, close to the air dispersing fan (5), of each second rotating shaft (20) is fixedly connected with the inner wall of the shell (1) through a first bearing (21), the other end of each second rotating shaft (20) is provided with a cylinder (22), and the outer wall of each cylinder (22) is provided with an annular wave groove (23);
a second bevel gear (24), the second bevel gear (24) being disposed on the second rotating shaft (20), the second bevel gear (24) being located between the cylinder (22) and the first bearing (21), the second bevel gear (24) being engaged with the first bevel gear (19);
the fixing plate (25) is arranged between the second rotating shaft (20) and the inner wall of the shell (1), the fixing plate (25) is parallel to the second rotating shaft (20), the front side wall and the rear side wall of the fixing plate (25) are fixedly connected with the front inner wall and the rear inner wall of the shell (1), and a sliding groove (26) is formed in the fixing plate (25) and close to the upper end;
the sliding rod (27) is arranged in the sliding groove (26), one end of the sliding rod (27) is connected with the annular wave groove (23) in a sliding mode, the other end of the sliding rod (27) extends to the outside of the sliding groove (26) and is connected with a connecting rod (28) in a hinged mode, a through hole (29) is formed in the sliding rod (27), and the sliding rod (27) can slide up and down in the sliding groove (26);
the guide rod (30) penetrates through the through hole (29) and is arranged in the sliding groove (26), two ends of the guide rod (30) are fixedly connected with the inner walls of the upper end and the lower end of the sliding groove (26) respectively, a second spring (31) is sleeved on the guide rod (30), one end of the second spring (31) is fixedly connected with the inner wall of the upper end of the sliding groove (26), and the other end of the second spring (31) is fixedly connected with the upper surface of the sliding rod (27);
the swing rod (32), swing rod (32) set up fixed plate (25) are kept away from second pivot (20) one side, swing rod (32) one end with fixed plate (25) lower extreme lateral wall is articulated to be connected, the swing rod (32) other end sets up deashing hammer (33), swing rod (32) middle part with connecting rod (28) are articulated to be connected.
2. The reactive power control apparatus of claim 1, wherein: the rubber pad (6) is in adhesive connection with the display panel (2), and the rubber pad (6) is in elastic connection with the first spring (7).
3. The reactive power control apparatus of claim 1, wherein: the heat absorption boxes (3) are fixedly connected with the shell (1), and the number of the heat absorption boxes (3) is two.
4. The reactive power control apparatus of claim 1, wherein: the air dissipation fan (5) is communicated with the shell (1) through the air permeable net (4), and the air permeable net (4) is of a hollow net structure.
5. The reactive power control apparatus of claim 1, wherein: the positioning block (12) is in threaded connection with the limiting screw hole (9) through a screw (11), and a communicating structure is formed between the positioning hole (15) and the positioning block (12).
6. The reactive power control apparatus of claim 1, wherein: the wear-proof sheets (13) are symmetrical about the center of the shell (1) in the horizontal direction, and the number of the wear-proof sheets (13) is four.
7. The reactive power control apparatus of claim 1, wherein: the waterproof pad (14) is matched with the inner size of the anti-abrasion sheet (13), and the waterproof pad (14) is in adhesive connection with the anti-abrasion sheet (13).
8. The reactive power control apparatus of claim 1, wherein: still set up dust collector in casing (1), dust collector includes:
the dust remover is arranged on the inner wall of the shell (1), and can send compressed air to remove dust attached to the breathable net (4);
the dust sensor is arranged on the surface of the breathable net (4) and is used for detecting the dust concentration attached to the surface of the breathable net (4);
the ultrasonic sensor is arranged on the inner wall of the shell (1), is positioned above the breathable net (4) and is used for detecting the thickness of dust on the surface of the breathable net (4);
the controller is arranged on the inner wall of the shell (1), and is respectively and electrically connected with the dust remover, the dust sensor and the ultrasonic sensor;
the controller controls the dust remover to work based on the dust sensor and the ultrasonic sensor, and adjusts the air flow output by the dust remover, and the method comprises the following steps:
step 1: when the dust thickness detected by the ultrasonic sensor is equal to a first preset dust thickness, the controller controls the dust remover to be started and remove dust, and when the dust thickness detected by the ultrasonic sensor is equal to a preset target dust thickness, the controller controls the dust remover to be closed and stops removing dust;
calculating the dust removal efficiency when the dust thickness on the surface of the breathable net (4) reaches a first preset dust thickness and is removed to a preset target dust thickness through a dust remover according to a formula (1):
Figure FDA0002838029400000031
wherein mu is the dust removal efficiency; rho2When the dust thickness detected by the ultrasonic sensor is equal to a first preset dust thickness, the dust sensor detects the dust concentration on the surface of the breathable net (4); rho1To preset dust concentration, h2Is a first predetermined dust thickness, h1Presetting a target dust thickness;
step 2: based on the dust removal efficiency calculated by the formula (1), a target air flow rate output from the dust remover is calculated according to the formula (2), and then the controller adjusts the air flow rate output from the dust remover to the target air flow rate:
Figure FDA0002838029400000041
wherein Q is1The target air flow output by the dust remover is represented by l, the length of the air permeable net (4), r, the width of the air permeable net (4), n, the number of the air holes in the air permeable net (4), and S0Is the area of the vent hole, t1The working time is preset for the dust remover.
CN202010631165.4A 2020-07-01 2020-07-01 Reactive power control device Expired - Fee Related CN111741621B (en)

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CN103869902A (en) * 2012-12-13 2014-06-18 鸿富锦精密工业（深圳）有限公司 Server case
CN208623132U (en) * 2018-06-15 2019-03-19 江苏邦泰电气有限公司 A kind of high-voltage switch gear control cabinet with radiating dustproof
CN210040912U (en) * 2019-08-20 2020-02-07 江苏欣法电气有限公司 Low-voltage reactive power automatic compensation controller

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CN110275573A (en) * 2019-04-25 2019-09-24 武汉佳聚信电脑有限公司 A kind of Dust-proof computer display

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Publication number Priority date Publication date Assignee Title
CN103869902A (en) * 2012-12-13 2014-06-18 鸿富锦精密工业（深圳）有限公司 Server case
CN208623132U (en) * 2018-06-15 2019-03-19 江苏邦泰电气有限公司 A kind of high-voltage switch gear control cabinet with radiating dustproof
CN210040912U (en) * 2019-08-20 2020-02-07 江苏欣法电气有限公司 Low-voltage reactive power automatic compensation controller

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