CN115055006B - Intelligent universal frequency converter - Google Patents
Intelligent universal frequency converter Download PDFInfo
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- CN115055006B CN115055006B CN202210668263.4A CN202210668263A CN115055006B CN 115055006 B CN115055006 B CN 115055006B CN 202210668263 A CN202210668263 A CN 202210668263A CN 115055006 B CN115055006 B CN 115055006B
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- 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
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
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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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
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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
- H05K7/20009—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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an intelligent universal frequency converter which comprises a shell, a first filter screen, an air inlet, a rotating plate and a dust collecting device, wherein the air inlet is formed in one side of the shell, the first filter screen is arranged on the outer side of the air inlet, the rotating plate is rotatably arranged at the air inlet, the dust collecting device is arranged between the rotating plate and the first filter screen, dust between the rotating plate and the first filter screen is collected when the rotating plate rotates, dust is automatically collected when the rotating plate rotates to radiate the frequency converter, and the dust guided to Kong Chuila is prevented from being accumulated between the rotating plate and the first filter screen, so that bacteria and blockage are prevented from being cleaned easily.
Description
Technical Field
The invention relates to the technical field of frequency converters, in particular to an intelligent universal frequency converter.
Background
The frequency converter is a power control device which controls the alternating current motor by changing the frequency of a working power supply of the motor by applying a frequency conversion technology and a microelectronic technology. The frequency converter mainly comprises rectification, filtering, inversion, a braking unit, a driving unit, a detecting unit and a microprocessor unit, the frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, and the required power supply voltage is provided according to the actual requirement of a motor, so that the purposes of energy saving and speed regulation are achieved. Along with the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.
Chinese patent No. CN113329594a discloses a heat dissipation frequency converter, which comprises a box body and a frequency converter body, wherein the bottom in the box body is provided with a mounting seat, the frequency converter body is mounted on the mounting seat, the bottom of the box body is provided with a damping component, the bottom of the frequency converter body is provided with a high temperature detection component, the inside of the box body is provided with a heat dissipation component, the high temperature detection component is controlled to be connected with the heat dissipation component, the right side of the box body is provided with a heat dissipation hole, and the right side of the box body is detachably connected with a dust screen; through setting up damper, can play the absorbing effect, avoid the converter body to receive the damage because of vibrations, be equipped with high temperature detection component simultaneously, when the interior temperature of box is too high, high temperature detection component control radiator unit work dispels the heat in the box, the heat that the heat hole can produce the converter body gives off away, the dust screen can play dirt-proof effect, avoid the dust to get into inside the box through the louvre, place the drier granule in the box and can play dry effect, avoid the box to be internal moist.
Above-mentioned equipment dispels the heat to the converter through radiator fan and the slotted mode on the box, and carry out filterable filter screen filtration pore size relatively fixed to the air, can lead to the dust in the air to enter into the inside use that influences the converter of box when the size is too big, and the radiating efficiency can be influenced to the size when less, often can adopt great filtration pore in order to improve radiating efficiency in the in-service use, will lead to in the air less size dust can continuously enter into the box inside and cause the influence to the converter like this.
Therefore, it is necessary to provide an intelligent universal frequency converter to solve the above technical problems.
Disclosure of Invention
The invention aims to provide an intelligent universal frequency converter, which is used for solving the problems that the prior equipment provided in the background art dissipates heat of the frequency converter through a cooling fan and a groove on a box body, the size of a filter screen filtering hole for filtering air is relatively fixed, dust in the air enters the box body to influence the use of the frequency converter when the size is too large, and the efficiency of heat dissipation is influenced when the size is smaller, and larger filter holes are often adopted in order to improve the heat dissipation efficiency in the actual use process, so that the dust with smaller size in the air can continuously enter the box body to influence the frequency converter.
Based on the thought, the invention provides the following technical scheme: including shell, first filter screen, air intake, rotor plate and dust collector, the air intake set up in one side of shell, the outside of air intake is provided with first filter screen, the rotor plate rotates to set up air intake department, the rotor plate with be equipped with between the first filter screen dust collector, dust collector is in collect when the rotor plate rotates the rotor plate with dust between the first filter screen, automatic dust collection when the rotor plate rotates for the converter heat dissipation prevents to be guided Kong Chuila's dust collection between rotor plate and first filter screen, produces bacterium and blocks up difficult clearance.
Preferably, the device comprises a shell, wherein an air inlet and an air outlet are respectively formed in two sides of the shell, a second filter screen is arranged on the outer side of the air outlet, a radiator fan is arranged in the shell and close to the air inlet, a frequency converter main body is arranged in the shell, a plurality of rotating plates are rotatably arranged at the air inlet, two adjacent rotating plates are arranged in a group and are arranged in a splayed mode, and a connecting belt is connected between the two rotating plates in the same group;
the rotating plates are provided with adjusting components, and when the heat in the shell is high, the adjusting components drive the two rotating plates in the same group to be far away from each other so as to spread the connecting belt.
Preferably, the dust collecting device comprises a first sliding block, a rotating groove, a connecting rod, a connecting block, a second sliding block, push rods, guide rods and a cleaning layer, wherein the first sliding block is arranged on the lower side of the rotating plate, the rotating groove is arranged on the lower side of the rotating plate, the first sliding block is arranged in the rotating groove in a sliding mode, the rotating groove is arranged according to the rotating path of the rotating plate, the guide rods are fixedly arranged on the lower sides of the middle of the rotating plate, the second sliding block is fixedly arranged on the upper sides of the second sliding block, the connecting blocks are fixedly arranged on the upper sides of the two adjacent first sliding blocks on the lower sides of the rotating plate, one connecting rod is respectively arranged on the first sliding block and the connecting block, one push rod is respectively arranged on the two sides of the second sliding block, and the cleaning layer is fixedly arranged on the front end face of the push rod.
Preferably, the dust collecting device further comprises a dust collecting bin and a pushing plate, the dust collecting bin is arranged at the end part of the guide rod, one surface of the dust collecting bin, which is close to the push rod, is rotationally provided with the pushing plate, the pushing plate is magnetically connected with the opening position of the dust collecting bin, the cleaning layer can push away the pushing plate when the second sliding block moves to the end part of the guide rod, the first sliding block is driven to move in the rotating groove when the rotating plate rotates, the second sliding block is driven to move back and forth by the connecting rod, dust is pushed to move forward when the second sliding block moves forward, and when the second sliding block moves to the end part of the guide rod, the cleaning layer pushes the pushing plate to send the dust into the pushing plate to collect the dust, so that the dust guided Kong Chuila is prevented from being gathered between the rotating plate and the first filter screen, bacteria are generated, and blockage is not easy to clean.
Preferably, the adjusting component comprises a pull rope arranged at the air inlet, one end of the pull rope is arranged inside the shell, the other end of the pull rope extends to the air inlet through the inside of the shell, and the pull rope sequentially penetrates through the rotating plates in a wave shape and then extends into the inner cavity of the shell again.
Preferably, the locating shaft is arranged on the rotating plate, the locating shaft penetrates through the rotating plate and is fixedly connected with the rotating plate, limiting holes are formed in the top and the bottom of the air inlet on the shell, the top end and the bottom end of the locating shaft extend to the inside of the limiting holes and are rotationally connected with the shell, a coil spring is arranged in the limiting holes, the coil spring is sleeved on the outer side of the locating shaft, one end of the coil spring is fixedly connected with the inner wall of the limiting holes, and the other end of the coil spring is fixed with the outer side face of the locating shaft.
Preferably, a vertical shaft is arranged inside the shell, two ends of the pull rope in the inner cavity of the shell are respectively fixedly connected with the vertical shafts on two sides, a driven bevel gear is fixedly connected with the bottom end of the vertical shaft, a driving bevel gear is meshed with the bottom end of the driven bevel gear, a driving shaft is arranged inside the shell, the driving bevel gear is fixedly sleeved on the outer side of the driving shaft, a driving motor is arranged on the side face of the shell, and the driving shaft is in transmission connection with the driving motor.
Preferably, the two ends of the rotating plates are fixedly connected with buffer pads, when the pull rope is gradually straightened, the two rotating plates in the same group are driven to rotate relatively and finally follow the straightened straight line to be in an aligned state, so that the rotating plates are located at the same straight line at the air inlet.
Preferably, the through guide grooves are formed in the rotating plate and the buffer pad, the pull ropes pass through the buffer pad and the rotating plate through the guide grooves, when the rotating plates at the air inlet are positioned in the same straight line under the action force of the pull ropes, the guide grooves on the rotating plates and the buffer pad are aligned so that the rotating plates are mutually communicated, the outer side surfaces of the rotating plates are provided with inclined air guide holes, and the air guide holes are communicated with the guide grooves.
Compared with the prior art, the invention has the beneficial effects that: when the temperature inside the shell is low, the same group of two rotating plates are driven to be close to each other by the adjusting component, so that the connecting belt is loosened, the ventilation holes on the connecting belt are reduced, and dust with smaller particles in the air can be filtered at the moment; to sum up, this device is through the connecting band that sets up, when the converter normal use, the inside temperature of shell is lower, the connecting band is in the state of loosening, can filter the dust of size less in the air, thereby avoided the dust to enter into the shell inside, and when the inside temperature of converter messenger shell is higher, the connecting band is propped up, thereby increase the ventilation volume through first filter screen and connecting band, accelerate the heat dissipation to the converter, consequently can furthest filter the dust of size less in the air through above-mentioned structure, avoid the inside use that gets into more dust influence converter of shell.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the rotating plate of the present invention disposed at the air inlet;
FIG. 3 is a schematic view of the internal structure of the housing of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a schematic view of the connection of the drive shaft to the vertical shaft of the present invention;
FIG. 6 is a schematic view of the connection structure of the pull rope and the rotating plate of the present invention;
FIG. 7 is an enlarged view of the portion A of FIG. 2 in accordance with the present invention;
FIG. 8 is an enlarged view of the structure of portion B of FIG. 3 in accordance with the present invention;
FIG. 9 is an enlarged view of the structure of portion C of FIG. 6 in accordance with the present invention;
FIG. 10 is a schematic view of the coil spring structure of the present invention;
FIG. 11 is a schematic view of the structure of the present invention with the rotating plates collinear;
FIG. 12 is an enlarged view of the structure of portion D of FIG. 11 in accordance with the present invention;
FIG. 13 is an enlarged view of the structure of portion E of FIG. 11 in accordance with the present invention;
FIG. 14 is a schematic view showing the main structure of the dust collecting device of the present invention;
FIG. 15 is a front cross-sectional view of a second slider of the present invention;
FIG. 16 is a side view of a first slider and a second slider of the present invention;
FIG. 17 is a front view of the putter of the present invention;
fig. 18 is a cross-sectional view of the dust bin of the present invention.
In the figure: 1. a housing; 2. a driving motor; 3. a first filter screen; 4. an air inlet; 5. a drive shaft; 6. a rotating plate; 7. a connecting belt; 8. a fixed frame; 9. a sealing frame; 10. a vertical axis; 11. a second filter screen; 12. an air outlet; 13. a transducer body; 14. a barrier strip; 15. a pull rope; 16. a cushion pad; 17. positioning a shaft; 18. an air guide hole; 19. a guide groove; 20. a coil spring; 21. a limiting hole; 22. an air inlet groove; 23. a housing chamber; 24. a fan blade; 25. a servo motor; 26. a dust collecting device; 261. a first slider; 262. a rotating groove; 263. a connecting rod; 264. a connecting block; 265. a second slider; 266. a push rod; 267. a guide rod; 268. a dust collection bin; 269. a cleaning layer; 2610. pushing the plate.
Detailed Description
As shown in fig. 1-3, an intelligent universal frequency converter comprises a housing 1, an air inlet 4 and an air outlet 12 are respectively formed in two sides of the housing 1, a first filter screen 3 is arranged on the outer side of the air inlet 4, a second filter screen 11 is arranged on the outer side of the air outlet 12, the first filter screen 3 and the second filter screen 11 are respectively arranged on two sides of the housing 1 and fixedly connected with the housing 1 through bolts, a cooling fan is arranged in the housing 1 and close to the air inlet 4, the cooling fan comprises fan blades 24 and a servo motor 25 for driving the fan blades 24 to rotate, specifically, a transmission shaft is connected to an output shaft of the servo motor 25 in a transmission manner, the fan blades 24 are fixedly connected to the outer side of the transmission shaft, and in addition, a frequency converter body 13 is arranged in the housing 1.
In the actual use process, the servo motor 25 is used for driving the transmission shaft to rotate in the forward direction, so that the fan blades 24 are driven to rotate in the forward direction, at the moment, outside air is sucked into the shell 1 through the first filter screen 3 and the air inlet 4, is discharged from the air outlet 12 after passing through the frequency converter, and is beneficial to radiating the frequency converter in the shell 1.
As shown in fig. 3-6, when in use, as the frequency converter has different working states, the heat dissipated during the working process is different, the first filter screen 3 at the air inlet 4 cannot adjust the aperture size according to the working state of the frequency converter, in order to improve the heat dissipating effect, the aperture of the first filter screen 3 is often larger, so that dust with smaller size in the external air can enter the shell 1 through the first filter screen 3 and be adsorbed on the frequency converter, the normal use of the frequency converter can be influenced when serious, in order to solve the problem, the rotating plates 6 are rotatably arranged at the air inlet 4, the number of the rotating plates 6 is multiple, two adjacent rotating plates 6 are arranged in a group and are arranged in a splayed shape, in the normal use process, the larger opening between the two adjacent rotating plates 6 faces the shell 1, the rotating plates 6 are sequentially arranged at the air inlet 4, and the two adjacent rotating plates 6 are in contact with each other.
Further, a connecting belt 7 is connected between the two rotating plates 6 in the same group, the connecting belt 7 is arranged at one end of the rotating plates 6 far away from the first filter screen 3, the connecting belt 7 is made of cotton, hemp or other air permeability materials, when the two rotating plates 6 in the same group are close to each other, the connecting belt 7 is in a loosening state, air holes on the connecting belt shrink to reduce the air permeability, when the two rotating plates 6 in the same group are rotated outwards and gradually far away, the connecting belt 7 is expanded, at the moment, the size of the connecting belt 7 is increased to increase the air permeability, and an adjusting component is arranged on the rotating plates 6, when the heat in the shell 1 is higher, the two rotating plates 6 in the same group are driven to be far away from each other by the adjusting component to increase the air quantity passing between the two adjacent rotating plates 6, and the connecting belt 7 is expanded at the moment, so that the air holes on the connecting belt 7 are increased, the air permeability is favorable to be improved, and more air flows can be driven to pass through the first filter screen 3 and the connecting belt 7 and enter the interior of the shell 1 to cool down the frequency converter through the rotating fan blades 24, and when the temperature in the shell 1 is lower, and the two rotating plates are driven to be close to each other to the air holes on the rotating plates 6 are driven to reduce the dust and the dust particles through the rotating belt; to sum up, this device is through connecting band 7 that sets up, when the converter normal use, the inside temperature of shell 1 is lower, connecting band 7 is in the state of loosening, can filter the dust of size less in the air, thereby avoid the dust to enter into shell 1 inside, and when the converter full load work, make the inside temperature of shell 1 higher, connecting band 7 is propped up, thereby increase the ventilation volume through first filter screen 3 and connecting band 7, accelerate the heat dissipation to the converter, consequently, can furthest filter the dust of less size in the air through above-mentioned structure, avoid the inside use that gets into more dust influence converter of shell 1.
As shown in fig. 4 and 10, the adjusting component includes a pull rope 15 disposed at the air inlet 4, one end of the pull rope 15 is disposed inside the housing 1, and the other end of the pull rope enters the housing 1 and reaches the air inlet 4, and then passes through the plurality of rotating plates 6 in a wave-shaped manner in turn, and then enters the housing 1 and extends into the inner cavity of the housing 1 again.
Further, a positioning shaft 17 is arranged on the rotating plate 6, the positioning shaft 17 penetrates through the rotating plate 6 and is fixedly connected with the rotating plate 6, limiting holes 21 are formed in the top and the bottom of the air inlet 4 on the shell 1, the top and the bottom of the positioning shaft 17 extend into the limiting holes 21 and are rotationally connected with the shell 1, a coil spring 20 is arranged in the limiting holes 21, the coil spring 20 is sleeved on the outer side of the positioning shaft 17, one end of the coil spring 20 is fixedly connected with the inner wall of the limiting holes 21, the other end of the coil spring 20 is fixed with the outer side face of the positioning shaft 17, and when the novel multifunctional air conditioner is normally used, the positioning shaft 17 is limited through the novel air conditioner so that two rotating plates 6 in the same group are in splayed package.
When the pull rope 15 is used, the pull rope 15 passes through the plurality of rotating plates 6, so that the pull rope 15 is in a state of being gradually in a straight line after being straightened, and therefore, the pull rope 15 can generate extrusion force on the rotating plates 6, so that the rotating plates 6 can overcome the resistance of the coil springs 20 to drive the two rotating plates 6 in the same group to rotate outwards and gradually away from each other, thereby stretching the connecting belt 7, and when the pull rope 15 is loosened, the extrusion force on the rotating plates 6 is gradually lost, and at the moment, the positioning shaft 17 and the rotating plates 6 can be driven to reversely rotate under the action force of the coil springs 20 to reset, so that the connecting belt 7 is promoted to be loosened.
In order to pull the pull rope 15, a sealing frame 9 is fixedly connected to the inner side surface of the shell 1 at the position of the air inlet 4, a vertical shaft 10 is rotationally arranged on the inner top wall of the sealing frame 9, the vertical shaft 10 is symmetrically arranged about the air inlet 4, specifically, in order to improve the rotational stability of the vertical shaft 10, a sleeve is fixedly connected to the inner top wall of the sealing frame 9, the vertical shaft 10 is rotationally connected with the sleeve, two ends of the pull rope 15 in the inner cavity of the shell 1 are respectively fixed to the vertical shafts 10 at two sides, when the vertical shafts 10 at two sides relatively rotate, the pull rope 15 can be wound or unwound, a driven bevel gear is fixedly connected to the bottom end of the vertical shaft 10, the bottom end of the driven bevel gear is meshed with a driving bevel gear, a driving shaft 5 is arranged inside the sealing frame 9, the driving bevel gear is fixedly sleeved on the outer side of the driving shaft 5, one end of the driving shaft 5 is rotationally connected with the inner wall of the sealing frame 9, the other end of the driving shaft passes through the sealing frame 9 and the shell 1 and extends to the outer side of the shell 1, one end of the driving motor 2 extending to the outer side of the shell 1 is connected with the driving motor 2, the driving motor 2 is fixedly connected to the side of the shell 1, specifically, the driving shaft 5 is rotationally connected with the driving shaft 2 and the driving shaft 5 is rotationally connected with the driving shaft 5.
When the automatic rotating device is specifically used, the driving motor 2 drives the driving shaft 5 to rotate, so that the driving bevel gear is driven to rotate, the vertical shaft 10 can be driven to rotate through the meshing of the driving bevel gear and the driven bevel gear, the pull rope 15 can be gradually straightened when the vertical shaft 10 rotates to wind the two ends of the pull rope 15, the rotating plate 6 is driven to rotate outwards, and when the vertical shaft 10 reversely rotates to loosen the pull rope 15, the rotating plate 6 is driven to reset under the acting force of the coil spring 20.
As shown in fig. 3, 5-9 and 11-13, the two ends of the rotating plates 6 are fixedly connected with a buffer pad 16, the buffer pad 16 is made of rubber or latex material, when the pull rope 15 is gradually straightened, the two rotating plates 6 in the same group can be driven to rotate relatively and finally follow the straightened straight line to be in an aligned state, at the moment, the two rotating plates 6 in the same group are in the same straight line, and further the rotating plates 6 are in the same straight line at the air inlet 4.
Further, through guide grooves 19 are formed in the rotating plate 6 and the buffer pad 16, and the pull rope 15 passes through the buffer pad 16 and the rotating plate 6 through the guide grooves 19, when the rotating plates 6 at the air inlet 4 are in the same straight line under the action force of the pull rope 15, the guide grooves 19 on the rotating plates 6 and the buffer pad 16 are aligned, so that the rotating plates 6 are mutually conducted.
Further, a wind guide hole 18 is formed on the outer side surface of the rotating plate 6, and the wind guide hole 18 is communicated with the guide groove 19, so that the gas entering the guide groove 19 can be discharged through the wind guide hole 18.
Here, the locating shaft 17 on the same group rotation board 6 sets up in the outside in relative outside for the locating shaft 17 between the adjacent each group is close to each other, at this moment when stay cord 15 is strung to drive rotation board 6 and rotates, two rotation boards 6 of same group are close to each other, the one end that is close to each other with two rotation boards 6 of same group is contact each other and extrudees blotter 16 this moment, and finally be in collinearly state, the blotter 16 through setting up here, avoid two rigidity extrusions when rotation board 6 is close to each other, deformation through the blotter 16, on the one hand, be convenient for two rotation boards 6 can rotate to collinearly state and avoid interfering, on the other hand, can improve the leakproofness that two rotation boards 6 are connected through two blotters 16 that contact each other and extrude, make the air current can stabilize and flow between two adjacent rotation boards 6, the same reason, set up 16 through rotation board 6 on the rotation board 6 of adjacent two sets of rotation boards, also can extrude each other and improve the leakproofness of connection, and because the existence of blotter 16, in the process that two sets of rotation boards 6 originally rotate to collinearly, be in the extrusion 16, avoid two rigidity extrusion, through the deformation of blotter 16, on the one side of each rotation board 6, and expansion board is in the front of two rotation boards 6 and expansion board 4 and 4, the front of the two rotation boards 4 and 4 are located in the sealed side of the front of the rotation board 4 and the back 4, the air intake opening is sealed when the two rotation board is sealed, and the front of the back 4 is sealed, and the 4.
In actual use, fixed frame 8 is fixedly connected to the inner side of sealing frame 9, and radiator fan is fixed inside fixed frame 8, space in sealing frame 9 is set to accommodating chamber 23, air inlet groove 22 is formed in accommodating chamber 23, air inlet groove 22 is set to be L-shaped, one end of air inlet groove 22 is communicated with accommodating chamber 23, the other end of air inlet groove 22 is communicated with air inlet 4, and when a plurality of rotating plates 6 are collinear, rotating plate 6 at the edge is communicated with air inlet groove 22 through guide groove 19, so that air in accommodating chamber 23 can enter into rotating plate 6 through air inlet groove 22.
In actual use, when the first filter screen 3 needs to be cleaned, the plurality of rotating plates 6 can be driven to be collinear by stretching the pull ropes 15, at the moment, the air inlet 4 can be sealed through the collinear rotating plates 6, so far, the accommodating chamber 23 at the inner side of the whole sealing frame 9 is only conducted by the cooling fan, the fan blades 24 are driven to rotate reversely by the servo motor 25, so that air flows into the accommodating chamber 23, then flows to the guide grooves 19 on the rotating plates 6 through the air inlet grooves 22, the plurality of rotating plates 6 are conducted mutually through the guide grooves 19, so that the air flows quickly fill all the rotating plates 6, and finally is discharged through the guide holes and is beaten on the first filter screen 3 to clean the first filter screen 3;
specifically, in the process of directly driving the rotating plate 6 to be collinear through the stay cord 15, the fan blade 24 reverses and blows the connecting belt 7, thereby make it arrange in the outside of the rotating plate 6, and the guiding hole of seting up on the rotating plate 6 is in the inclined state and inclines towards the connecting belt 7 of arranging in the rotating plate 6 outside, consequently, also can beat on the connecting belt 7 when the air current through guiding slot 19 and guide block exhaust, thereby blow the connecting belt 7 swing and with first filter screen 3 contact, remove at the side of first filter screen 3 through the connecting belt 7, be favorable to getting rid of the dust attached on the first filter screen 3, at this moment can blow away the dust of lifting up through the air current of following the guiding hole, thereby clear up first filter screen 3, here can play good cleaning effect to first filter screen 3 through connecting belt 7 and guiding hole cooperation, and a plurality of rotating plates 6 of air intake 4 by collineation seal in the cleaning process, therefore the dust of lifting up can not enter into shell 1 inside, thereby protect the converter in shell 1 inside, in-service, through adjusting 24 produce the side removal of dust that is stained on first filter screen 3 through adjusting the guide block, thereby can drive the connecting belt 7 through adjusting the air force that produces on the side of first filter screen 3, further improve the cleaning effect on the first filter screen 3.
In summary, the device seals the air inlet 4 by using the collinear rotating plate 6 in the process of cleaning the first filter screen 3, so as to prevent dust from entering the housing 1, and thus, the frequency converter can be well protected.
As shown in fig. 3 and 5, the top and the bottom of the air inlet 4 are fixedly connected with the barrier strip 14 inside the housing 1, the barrier strip 14 is arranged inside the sealing frame 9, when the fan blade 24 rotates to drive air in the external environment to enter the housing 1 through the connecting belt 7, the connecting belt 7 is spread, and the barrier strip 14 is arranged at the top and the bottom of the connecting belt 7, so that air flow can be prevented from entering the housing 1 through gaps between the top and the bottom of the connecting belt 7, and the efficiency and the practicability of filtering are improved.
Here can be provided with temperature sensor in shell 1 inside, temperature sensor's link electric connection has the controller, the controller can be singlechip or PLC, and controller and driving motor 2 electric connection, when temperature sensor detects the inside temperature variation of shell 1, can carry this analog signal to controller department, control driving motor 2 after analysis and the processing through the controller, during the in-service use, driving motor 2 and servo motor 25 can also inlay and establish wireless transmitter, in order to staff's remote control driving motor 2 and servo motor 25, thereby facilitate the use and operation.
Including shell 1, first filter screen 3, air intake 4, rotating plate 6 and dust collector 26, air intake 4 set up in one side of shell 1, the outside of air intake 4 is provided with first filter screen 3, rotating plate 6 rotates and sets up air intake 4 department, rotating plate 6 with be equipped with between the first filter screen 3 dust collector 26, dust collector 26 is in rotating plate 6 is collected rotating plate 6 with dust between the first filter screen 3 is automatic dust collection when the rotating plate rotates for the converter heat dissipation, prevents to be guided Kong Chuila's dust collection between rotating plate and first filter screen, produces bacterium and blocks up difficult clearance.
Preferably, the dust collecting device 26 includes a first slide 261, a rotating groove 262, a connecting rod 263, a connecting block 264, a second slide 265, a push rod 266, a guide rod 267 and a cleaning layer 269, the first slide 261 is disposed at the lower side of the rotating plate 6, the rotating groove 262 is disposed at the lower side of the rotating plate 6, the first slide 261 is slidably disposed in the rotating groove 262, the rotating groove 262 is disposed according to a rotating path of the rotating plate 6, the guide rod 267 is fixedly disposed at the lower side of the middle of two rotating plates 6, the second slide 265 is slidably disposed on the guide rod 267, the connecting block 264 is fixedly disposed at the upper side of the second slide 265, two first slide 261 and the connecting block 264 adjacent to the lower side of the rotating plate 6 are respectively provided with a connecting rod 263, two sides of the connecting rod 263 are respectively rotatably connected with the first slide 261 and the connecting block 264, two push rods 266 are respectively disposed at two sides of the second slide 265, and the cleaning layer is fixedly disposed at the front end surface of the push rod 266.
Preferably, the dust collecting device 26 further includes a dust collecting bin 268 and a pushing plate 2610, the dust collecting bin 268 is disposed at an end of the guide rod 267, the pushing plate 2610 is rotatably disposed on a surface of the dust collecting bin 268, which is close to the push rod 266, the pushing plate 2610 is magnetically connected with an opening position of the dust collecting bin 268, the cleaning layer 269 can push the pushing plate 2610 away when the second slider 265 moves to the end of the guide rod 267, the rotating plate drives the first slider to move in the rotating groove when rotating, the second slider is driven to move back and forth by the connecting rod, when the second slider moves forward, the dust is pushed to move forward, and when the second slider moves to the end of the guide rod, the cleaning layer pushes the pushing plate, and the dust is fed into the pushing plate to be collected, so that the dust guided Kong Chuila is prevented from being accumulated between the rotating plate and the first filter screen, bacteria are generated, and blockage is not easy to clean.
Claims (7)
1. An intelligent universal frequency converter, which is characterized in that: the dust collecting device is arranged between the rotating plate and the first filter screen, and the dust collecting device collects dust between the rotating plate and the first filter screen when the rotating plate rotates;
the shell is provided with an air outlet, the outer side of the air outlet is provided with a second filter screen, a radiator fan is arranged in the shell and close to the air inlet, a frequency converter main body is arranged in the shell, the air inlet is rotationally provided with a plurality of rotating plates, two adjacent rotating plates are arranged in a group and are arranged in a splayed mode, and a connecting belt is connected between the two rotating plates in the same group;
the rotating plates are provided with adjusting components, when the heat in the shell is high, the adjusting components drive the two rotating plates in the same group to be away from each other so as to prop up the connecting belt, and the connecting belt is made of cotton or hemp breathable materials;
the adjusting component comprises a pull rope arranged at the air inlet, one end of the pull rope is arranged inside the shell, the other end of the pull rope extends to the air inlet through the inside of the shell, and the pull rope sequentially penetrates through the rotating plates in a wave shape and then extends into the inner cavity of the shell again.
2. An intelligent universal frequency converter according to claim 1, wherein: the dust collecting device comprises a first sliding block, a rotating groove, a connecting rod, a connecting block, a second sliding block, push rods, guide rods and a cleaning layer, wherein the first sliding block is arranged on the lower side of the rotating plate, the rotating groove is arranged on the lower side of the rotating plate, the first sliding block is arranged in the rotating groove in a sliding mode, the rotating groove is arranged according to the rotating path of the rotating plate, the guide rods are fixedly arranged on the lower sides of the middle of the rotating plate, the second sliding blocks are fixedly arranged on the upper sides of the second sliding blocks in an embedding sliding mode, the connecting blocks are respectively arranged on the first sliding blocks on the lower sides of the two adjacent rotating plates, the connecting rods are respectively arranged on the two sides of the connecting rods and are respectively connected with the first sliding blocks in a rotating mode, the push rods are respectively arranged on the two sides of the second sliding blocks, and the cleaning layer is fixedly arranged on the front end faces of the push rods.
3. An intelligent universal frequency converter according to claim 2, characterized in that: the dust collecting device further comprises a dust collecting bin and a pushing plate, the dust collecting bin is arranged at the end part of the guide rod, the pushing plate is rotatably arranged on one surface, close to the push rod, of the dust collecting bin, the pushing plate is magnetically connected with the opening position of the dust collecting bin, and the cleaning layer can push away the pushing plate when the second sliding block moves to the end part of the guide rod.
4. An intelligent universal frequency converter according to claim 1, wherein: the locating device is characterized in that a locating shaft is arranged on the rotating plate, the locating shaft penetrates through the rotating plate and is fixedly connected with the rotating plate, limiting holes are formed in the top and the bottom of the air inlet on the shell, the top end and the bottom end of the locating shaft extend to the inside of the limiting holes and are rotationally connected with the shell, a coil spring is arranged in the limiting holes, the coil spring is sleeved on the outer side of the locating shaft, one end of the coil spring is fixedly connected with the inner wall of the limiting holes, and the other end of the coil spring is fixedly connected with the outer side face of the locating shaft.
5. An intelligent universal frequency converter according to claim 1, wherein: the inside vertical axle that is provided with of shell, the both ends that the stay cord was arranged in the shell inner chamber are respectively with the vertical axle fixed connection of both sides, the bottom fixedly connected with driven bevel gear of vertical axle, driven bevel gear's bottom meshing has drive bevel gear, the inside drive shaft that is provided with of shell, the outside of drive shaft is located to the fixed cover of drive bevel gear, be provided with driving motor on the shell side, the drive shaft is connected with driving motor transmission.
6. The intelligent universal frequency converter according to claim 5, wherein: the both ends of rotating plate all fixedly connected with blotter, when the stay cord is stretched straightly gradually, drive two rotating plates of same group relative rotation and finally follow the straight line of stretching and be in the state of alignment for a plurality of rotating plates are located air intake department and are in same straight line.
7. The intelligent universal frequency converter according to claim 6, wherein: the utility model discloses a motor vehicle, including rotation board and buffer pad, the stay cord is equipped with the guide way that link up, the stay cord passes blotter and rotation board through this guide way, a plurality of rotation boards of air intake department are in when same straight line under the effort of stretching the stay cord, and the guide way on a plurality of rotation boards and the buffer pad aligns and makes a plurality of rotation boards switch on each other, the inclined wind guiding hole has been seted up on the lateral surface of rotation board, the wind guiding hole is linked together with the guide way.
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| CN115055006A (en) | 2022-09-16 |
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