CN114828496B - Novel easy heat dissipation converter - Google Patents
Novel easy heat dissipation converter Download PDFInfo
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- CN114828496B CN114828496B CN202210514635.8A CN202210514635A CN114828496B CN 114828496 B CN114828496 B CN 114828496B CN 202210514635 A CN202210514635 A CN 202210514635A CN 114828496 B CN114828496 B CN 114828496B
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- shell
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- rotating plates
- air
- frequency converter
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 25
- 230000004888 barrier function Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 244000025254 Cannabis sativa Species 0.000 claims description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims description 2
- 235000009120 camo Nutrition 0.000 claims description 2
- 235000005607 chanvre indien Nutrition 0.000 claims description 2
- 239000011487 hemp Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 25
- 238000009423 ventilation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- 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
- 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a novel frequency converter easy to dissipate heat, which comprises a shell, wherein an air inlet and an air outlet are respectively formed in two sides of the shell, a first filter screen is arranged on the outer side of the air inlet, a second filter screen is arranged on the outer side of the air outlet, a cooling 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 shape, and a connecting belt is connected between the two rotating plates in the same group; the rotating plate is provided with an adjusting component, and when the heat in the shell is high; when the frequency converter works under full load, the connecting belt is supported up, so that the ventilation quantity through the first filter screen and the connecting belt is increased, and the heat dissipation of the frequency converter is accelerated, therefore, the dust with smaller size in the air can be filtered to the greatest extent through the structure, and the situation that the use of the frequency converter is influenced by more dust entering the interior of the housing is avoided.
Description
Technical Field
The invention relates to the technical field of frequency converters, in particular to a novel frequency converter easy to dissipate heat.
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 (alternating current-to-direct current), filtering, inversion (direct current-to-alternating current), 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 provides the required power supply voltage 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 grooved mode on the box, and carry out filterable filter screen to the air and worry hole size relatively fixed, 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 worry hole 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 a novel frequency converter easy to dissipate heat to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a novel frequency converter easy to dissipate heat, so as to solve the problems that the prior equipment provided in the background art dissipates heat of the frequency converter through a cooling fan and a slotting mode on a box body, the size of a filtering hole of a filter screen for filtering air is relatively fixed, dust in the air can enter the box body to influence the use of the frequency converter when the size is too large, the efficiency of heat dissipation can be influenced when the size is small, and larger filtering 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: the novel energy-saving air conditioner comprises a shell, wherein an air inlet and an air outlet are respectively formed in two sides of the shell, a first filter screen is arranged on the outer side of the air inlet, 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.
As a further scheme of the invention: 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.
As a further scheme of the invention: 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.
As a further scheme of the invention: 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.
As a further scheme of the invention: 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.
As a further scheme of the invention: 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.
As a further scheme of the invention: the inner side of the shell is fixedly connected with a sealing frame at the air inlet, the inner side of the sealing frame is fixedly connected with a fixing frame, the cooling fan is fixed inside the fixing frame, the space in the sealing frame is set to be a containing cavity, an air inlet groove is formed in the containing cavity and is arranged on the inner wall of the shell, the air inlet groove is L-shaped, one end of the air inlet groove is communicated with the containing cavity, the other end of the air inlet groove is communicated with the air inlet, and when a plurality of rotating plates are collinear, the rotating plates at the edge are communicated with the air inlet groove through guide grooves.
As a further scheme of the invention: the inner side of the shell is positioned at the top and the bottom of the air inlet and is fixedly connected with a barrier strip, and the barrier strip is arranged inside the sealing frame.
As a further scheme of the invention: the vertical shaft is rotationally connected to the top end inside the sealing frame, one end of the driving shaft is rotationally connected with the inner wall of the sealing frame, and the other end of the driving shaft penetrates through the sealing frame and the shell and extends to the outer side of the shell.
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 E-section structure of fig. 11 according to 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.
Detailed Description
As shown in fig. 1-3, a novel frequency converter easy to dissipate heat 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 at a position, close to the air inlet 4, inside the housing 1, 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 inside 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 breathable 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, the breathable holes on the connecting belt shrink to reduce the breathable property, 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 by the breathable holes to increase the breathable property, 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 breathable holes on the connecting belt 7 are increased, the breathable property is favorable to be improved, and more airflow 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 the frequency converter through the rotating fan blades 24, and when the temperature in the shell 1 is lower, the two groups of the air can be driven to rotate through the adjusting component to reduce the dust particles in the filter belt through the two groups to be close to each other; 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, be provided with locating shaft 17 on rotating plate 6, locating shaft 17 runs through rotating plate 6 and with rotating plate 6 fixed connection, spacing hole 21 has all been seted up to the top and the bottom that lie in air intake 4 on shell 1, and locating shaft 17's top and bottom all extend to spacing hole 21 inside and with shell 1 rotation connection, be provided with wind spring 20 in spacing hole 21 inside, the outside of locating shaft 17 is located to wind spring 20 cover, the one end and the inner wall fixed connection of spacing hole 21 of wind spring 20, the other end and the lateral surface of locating shaft 17 are fixed mutually, during normal use, spacing to locating shaft 17 through wind spring 20, make two rotating plates 6 in same group be the splayed form.
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 2 is rotationally connected with the driving shaft 2.
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.
Claims (7)
1. The utility model provides a novel easy heat dissipation converter, includes the shell, air intake and air exit have been seted up respectively to the both sides of shell, the outside of air intake is provided with first filter screen, the outside of air exit is provided with the second filter screen, the inside radiator fan that is close to air intake department of shell, shell internally mounted has the converter main part, its characterized in that: the air inlet is rotatably provided with a plurality of rotating plates, two adjacent rotating plates are arranged in a group and are arranged in a splayed shape, 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 two rotating plates in the same group are driven to be away from each other by the adjusting components so as to open the connecting belt, the air holes on the connecting belt are increased, when the temperature in the shell is low, the two rotating plates in the same group are driven to be close to each other by the adjusting components, so that the connecting belt is loosened, the air holes on the connecting belt are reduced, and the connecting belt is made of air-permeable materials of cotton or hemp;
the adjusting component comprises a pull rope arranged at the air inlet, one end of the pull rope is arranged in 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 passes through the rotating plates in a wave shape and then extends into the inner cavity of the shell again;
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.
2. The novel frequency converter easy to dissipate heat 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.
3. The novel frequency converter easy to dissipate heat according to claim 2, 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.
4. A novel frequency converter easy to dissipate heat according to claim 3, characterized in that: 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.
5. The novel frequency converter easy to dissipate heat according to claim 4, wherein: the inner side of the shell is fixedly connected with a sealing frame at the air inlet, the inner side of the sealing frame is fixedly connected with a fixing frame, the cooling fan is fixed inside the fixing frame, the space in the sealing frame is set to be a containing cavity, an air inlet groove is formed in the containing cavity and is arranged on the inner wall of the shell, the air inlet groove is L-shaped, one end of the air inlet groove is communicated with the containing cavity, the other end of the air inlet groove is communicated with the air inlet, and when a plurality of rotating plates are collinear, the rotating plates at the edge are communicated with the air inlet groove through guide grooves.
6. The novel frequency converter easy to dissipate heat according to claim 5, wherein: the inner side of the shell is positioned at the top and the bottom of the air inlet and is fixedly connected with a barrier strip, and the barrier strip is arranged inside the sealing frame.
7. The novel frequency converter easy to dissipate heat according to claim 5, wherein: the vertical shaft is rotationally connected to the top end inside the sealing frame, one end of the driving shaft is rotationally connected with the inner wall of the sealing frame, and the other end of the driving shaft penetrates through the sealing frame and the shell and extends to the outer side of the shell.
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| CN115589700B (en) * | 2022-09-08 | 2023-06-13 | 深圳市浩鑫能源有限公司 | Waterproof AC/DC bidirectional power supply |
| CN117479508B (en) * | 2023-12-26 | 2024-03-19 | 唐山智诚电气（集团）有限公司 | Boost inverter for direct-current wide-voltage input |
| CN118011306B (en) * | 2024-03-14 | 2024-06-11 | 国网黑龙江省电力有限公司 | Protection device for ammeter online diagnosis equipment and use method thereof |
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| CN114828496A (en) | 2022-07-29 |
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Effective date of registration: 20240120 Address after: 325000, Room 301, Unit 1 and Unit 2, Building 11, Tingtian Intelligent Manufacturing Industrial Park, Tingtian Street, Rui'an City, Wenzhou City, Zhejiang Province Applicant after: RUIAN CITY ANCHUAN ELECTRONICS Co.,Ltd. Country or region after: China Address before: 518000, 4th floor, Building 1, Tianxin Second Industrial Zone, Shangwu Community, Shiyan Street, Bao'an District, Shenzhen City, Guangdong Province, China Applicant before: Shenzhen julishen Electric Co.,Ltd. Country or region before: China |
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