CN114828496A - Novel converter easily dispels heat - Google Patents
Novel converter easily dispels heat Download PDFInfo
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- CN114828496A CN114828496A CN202210514635.8A CN202210514635A CN114828496A CN 114828496 A CN114828496 A CN 114828496A CN 202210514635 A CN202210514635 A CN 202210514635A CN 114828496 A CN114828496 A CN 114828496A
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- 238000007789 sealing Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 24
- 230000017525 heat dissipation Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 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
- 238000004134 energy conservation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- 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
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- 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 easy-radiating frequency converter, 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 radiating fan is arranged in the shell 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 into a group and are arranged in a splayed manner, and a connecting belt is connected between the two rotating plates in the same group; the rotating plate is provided with an adjusting assembly, and when the heat in the shell is high; when the converter is full load work, when making the inside temperature of shell higher, the connecting band is propped up to increase the air volume through first filter screen and connecting band, accelerate the heat dissipation to the converter, consequently can filter the dust of less size in the air to furthest through above-mentioned structure, avoid the inside use that gets into more dust influence converter that gets into of shell.
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 an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like, the voltage and the frequency of an output power supply are adjusted by switching on and off of an internal IGBT (insulated gate bipolar transistor), the required power supply voltage is provided according to the actual requirement of the motor, and further the purposes of energy conservation and speed regulation are achieved. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.
The Chinese invention patent 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 box body is internally provided with a heat dissipation component, the high temperature detection component is controlled and connected with the heat dissipation component, the right side of the box body is provided with heat dissipation holes, and the right side of the box body is detachably connected with a dust screen; through setting up damper, can play absorbing effect, avoid the converter body to receive the damage because of vibrations, be equipped with the high temperature test subassembly simultaneously, when the box in high temperature, the work of high temperature test subassembly control radiator unit, dispel the heat in the box, the heat that the converter body produced can be distributed away to the hot hole, the dust screen can play dirt-proof effect, avoid inside the dust gets into the box via the louvre, it can play dry effect to place the drier granule in the box, avoid interior humidity of box.
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 consider 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, can influence radiating efficiency when the size is less, often can adopt great considering hole in order to improve the radiating efficiency in the in-service use process, will lead to like this that the dust of smaller size in the air can continuously enter into the box inside and cause the influence to the converter.
Therefore, it is necessary to provide a novel frequency converter with easy heat dissipation to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a novel frequency converter easy to dissipate heat, and the novel frequency converter easy to dissipate heat is used for solving the problems that the existing equipment provided in the background technology dissipates heat of the frequency converter through a heat dissipation fan and a groove is formed in a box body, filter screen filtering holes for filtering air are relatively fixed in size, dust in the air enters the box body to influence the use of the frequency converter when the size is too large, the heat dissipation efficiency is influenced when the size is smaller, and larger filter holes are often adopted to improve the heat dissipation efficiency in the actual use process, so that the dust in the air with smaller size can continuously enter the box body to influence the frequency converter.
Based on the above thought, the invention provides the following technical scheme: the novel air conditioner comprises a shell, wherein an air inlet and an air outlet are formed in two sides of the shell respectively, 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 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 into a group and arranged in a splayed manner, 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 away from each other so as to stretch the connecting band.
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 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 is wavy and sequentially penetrates through the rotating plates and then extends into the inner cavity of the shell again.
As a further scheme of the invention: be provided with the location axle on the rotor plate, the location axle run through the rotor plate and with rotor plate fixed connection, the top and the bottom that lie in the air intake on the shell have all been seted up spacing hole, the top and the bottom of location axle all extend to spacing downthehole portion and rotate with the shell and be connected, spacing downthehole portion is provided with the wind spring, the outside of location axle is located to the wind spring cover, the one end of wind spring and the inner wall fixed connection in spacing hole, the other end of wind spring is fixed mutually with the lateral surface of location axle.
As a further scheme of the invention: the improved gear transmission mechanism is characterized in that a vertical shaft is arranged inside the shell, two ends of the pull rope, which are arranged in an inner cavity of the shell, are fixedly connected with the vertical shafts on two sides respectively, a driven bevel gear is fixedly connected to the bottom end of the vertical shaft, a drive bevel gear is meshed to the bottom end of the driven bevel gear, a drive shaft is arranged inside the shell, the drive bevel gear is fixedly sleeved on the outer side of the drive shaft, a drive motor is arranged on the side face of the shell, and the drive shaft is in transmission connection with the drive motor.
As a further scheme of the invention: the two ends of the rotating plates are fixedly connected with cushion pads, when the pull ropes are stretched straight gradually, the rotating plates in the same group are driven to rotate relatively and are finally aligned along the stretched straight lines, and therefore the rotating plates are located at the air inlets and are located on the same straight line.
As a further scheme of the invention: the air inlet guide device is characterized in that through guide grooves are formed in the rotating plates and the buffer pads, the pull rope penetrates through the buffer pads and the rotating plates through the guide grooves, when the rotating plates at the air inlet are positioned on the same straight line under the action force of the straightening pull rope, the rotating plates are aligned with the guide grooves in the buffer pads to enable the rotating plates to be mutually communicated, inclined air guide holes are formed in the outer side faces of the rotating plates, and the air guide holes are communicated with the guide grooves.
As a further scheme of the invention: the shell inboard is located the sealed frame of fixedly connected with of air inlet department, the fixed frame of the inboard fixedly connected with of sealed frame, radiator fan fixes inside this fixed frame, space in the sealed frame sets up to holding the cavity, the shell inner wall is located this and holds and has seted up the intake stack in the cavity, the intake stack sets up to the L type, intake stack one end switches on with holding the cavity mutually, the intake stack other end switches on with the air intake mutually, and when a plurality of rotor plates collineation, the rotor plate that is located the edge switches on with the intake stack mutually through the guide way.
As a further scheme of the invention: the top and the bottom of the inner side of the shell, which are positioned at the air inlet, are fixedly connected with barrier strips, and the barrier strips are arranged inside the sealing frame.
As a further scheme of the invention: the vertical shaft is rotatably connected to the top end inside the sealing frame, one end of the driving shaft is rotatably 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 in the shell is low, the adjusting assembly drives the two rotating plates in the same group to approach each other, so that the connecting belt is loosened, the air holes in the connecting belt are reduced, and dust with smaller particles in the air can be filtered; to sum up, this device is through the connecting band that sets up, when the converter normal use, when the inside temperature of shell is lower, the connecting band is in the state of loosening, can filter the less dust of size in the air, thereby inside having avoided the dust to enter into the shell, and work when the converter full load, when making the inside temperature of shell higher, the connecting band is propped up, thereby increase the air volume through first filter screen and connecting band, with higher speed the heat dissipation to the converter, consequently can filter the dust of small size in the air by furthest through above-mentioned structure, avoid the inside use that gets into more dust and influence the converter of shell.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the present invention with the rotatable plate 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 structure of the driving shaft and the vertical shaft of the present invention;
FIG. 6 is a schematic view of the connection structure of the pulling rope and the rotating plate according to 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 portion B of FIG. 3 according to the present invention;
FIG. 9 is an enlarged view of the structure of portion C of FIG. 6 according to the present invention;
FIG. 10 is a schematic view of a coil spring configuration of the present invention;
FIG. 11 is a schematic view of the arrangement 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 section E of FIG. 11 in accordance with the present invention.
In the figure: 1. a housing; 2. a drive motor; 3. a first filter screen; 4. an air inlet; 5. a drive shaft; 6. a rotating plate; 7. a connecting belt; 8. a fixing frame; 9. a sealing frame; 10. a vertical axis; 11. a second filter screen; 12. an air outlet; 13. a frequency converter body; 14. blocking strips; 15. pulling a rope; 16. a cushion pad; 17. positioning the shaft; 18. a wind 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 opened at two sides of the housing 1, a first filter screen 3 is provided at the outer side of the air inlet 4, a second filter screen 11 is provided at the outer side of the air outlet 12, the first filter screen 3 and the second filter screen 11 are respectively arranged at two sides of the housing 1 and are fixedly connected with the housing 1 through bolts, a heat dissipation fan is arranged at a position close to the air inlet 4 inside the housing 1, the heat dissipation fan comprises a fan blade 24 and a servo motor 25 driving the fan blade 24 to rotate, specifically, a transmission shaft is connected to an output shaft of the servo motor 25 in a transmission manner, the fan blade 24 is 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 in-service use process, drive the transmission shaft through servo motor 25 corotation and rotate to drive flabellum 24 corotation, outside air is inhaled inside shell 1 through first filter screen 3 and air intake 4 this moment, discharges from air exit 12 after the converter, is favorable to dispelling the heat to the converter of shell 1 inside.
As shown in fig. 3-6, when in use, because the frequency converter has different working states, the heat dissipated when it is working is different, and the first filter screen 3 at the air inlet 4 cannot adjust its aperture size according to the working state of the frequency converter, and in order to improve the heat dissipation effect, the aperture of the first filter screen 3 is often larger, so that dust with smaller size in the outside air can enter the inside of the housing 1 through the first filter screen 3 and is adsorbed on the frequency converter, and the normal use of the frequency converter is seriously affected, and in order to solve this problem, the air inlet 4 is rotatably provided with a plurality of rotating plates 6, the number of the rotating plates 6 is set as a plurality, two adjacent rotating plates 6 are set as a group and are arranged in a splayed shape, in the normal use process, the larger opening between two adjacent rotating plates 6 faces the inside of the housing 1, and the plurality of rotating plates 6 are sequentially arranged at the air inlet 4, and the adjacent two sets of rotating plates 6 are in contact with each other.
Further, a connecting belt 7 is connected between 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, and the connecting belt 7 is made of cotton, hemp or other air permeability materials, when the two rotating plates 6 in the same group approach each other, the connecting belt 7 is in a loosened state, air holes on the connecting belt are contracted to reduce the air permeability, and when the two rotating plates 6 in the same group rotate outwards and gradually get away from each other, the connecting belt 7 is unfolded, at the moment, the size of the air holes on the connecting belt 7 is increased to increase the air permeability, an adjusting component is arranged on the rotating plates 6, when the heat in the shell 1 is high, the two rotating plates 6 in the same group are driven to get away from each other through the adjusting component, so that the air volume passing between the two adjacent rotating plates 6 is increased, and at the moment, the connecting belt 7 is unfolded, so that the air holes on the connecting belt are increased, the air permeability is improved, more air flow can be driven by the rotating fan blades 24 to pass through the first filter screen 3 and the connecting belt 7 and enter the shell 1 to cool the frequency converter, and when the temperature in the shell 1 is low, the two rotating plates 6 in the same group are driven by the adjusting assembly to approach each other, so that the connecting belt 7 is loosened, air holes in the connecting belt are reduced, and dust with small particles in the air can be filtered; in conclusion, this device is through connecting band 7 that sets up, when the converter normal use, when the inside temperature of shell 1 is lower, connecting band 7 is in the state of loosening, can filter the less dust of size in the air, thereby avoided the dust to enter into inside the shell 1, and work when the converter is full load, make the inside temperature of shell 1 when higher, connecting band 7 is propped up, thereby increase the air volume through first filter screen 3 and connecting band 7, accelerate the heat dissipation to the converter, consequently can filter the dust of less size in the air to furthest through above-mentioned structure, avoid the inside use that gets into more dust and influence the converter that gets into of shell 1.
As shown in fig. 4 and 10, the adjusting assembly includes a pulling rope 15 disposed at the air inlet 4, one end of the pulling rope 15 is disposed inside the casing 1, and the other end of the pulling rope 15 enters the inside of the casing 1 and reaches the air inlet 4, and then sequentially passes through the plurality of rotating plates 6 in a wave shape to enter the casing 1 and extend into the inner cavity of the casing 1 again.
Further, be provided with location axle 17 on rotor plate 6, location axle 17 run through rotor plate 6 and with rotor plate 6 fixed connection, spacing hole 21 has all been seted up to top and the bottom that lies in air intake 4 on shell 1, and the top and the bottom of location axle 17 all extend to spacing hole 21 inside and rotate with shell 1 and be connected, be provided with wind spring 20 in spacing hole 21 inside, the outside of location axle 17 is located to wind spring 20 cover, the one end of wind spring 20 and the inner wall fixed connection of spacing hole 21, the other end of wind spring 20 is fixed mutually with the lateral surface of location axle 17, during normal use, through local ann's high spacing to location axle 17, make two rotor plates 6 of the same group be the splayed dress.
When the connecting belt 7 is used, the pull rope 15 penetrates through the plurality of rotating plates 6, and therefore the pull rope 15 is gradually in a linear state after being straightened, the pull rope 15 can generate extrusion force on the rotating plates 6, 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 move away from each other, the connecting belt 7 is unfolded, 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 rotate reversely under the action force of the coil springs 20 to reset, so that the connecting belt 7 is enabled 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 air inlet 4, a vertical shaft 10 is rotatably arranged on the inner top wall of the sealing frame 9, the vertical shaft 10 is symmetrically arranged relative to the air inlet 4, specifically, in order to improve the stability of rotation 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 rotatably connected with the sleeve, two ends of the pull rope 15 arranged in the inner cavity of the shell 1 are respectively fixed on the vertical shafts 10 at two sides, the pull rope 15 can be wound or loosened when the vertical shafts 10 at two sides rotate relatively, a driven bevel gear is fixedly connected to the bottom end of the vertical shaft 10, a driving bevel gear is meshed with the bottom end of the driven bevel gear, a driving shaft 5 is arranged inside the sealing frame 9, the driving bevel gear is fixedly arranged outside the driving shaft 5, one end of the driving shaft 5 is rotatably connected with the inner wall of the sealing frame 9, the other end of the driving shaft penetrates through the sealing frame 9 and the shell 1 and extends to the outer side of the shell 1, one end of the driving shaft 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 face of the shell 1, specifically, the driving shaft 5 is rotatably connected with the sealing frame 9 and the shell 1, and the output shaft of the driving motor 2 is rotatably connected with the driving shaft 5.
When the vertical shaft type automatic rotating device is used specifically, the driving shaft 5 is driven to rotate through the driving motor 2, 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, so that the rotating plate 6 is driven to rotate outwards, and when the vertical shaft 10 rotates reversely to loosen the pull rope 15, the rotating plate 6 is driven to reset under the action force of the coil spring 20.
As shown in fig. 3, 5-9, and 11-13, cushions 16 are fixedly connected to both ends of the rotating plates 6, the cushions 16 are made of rubber or latex, and when the pulling rope 15 is stretched straight gradually, the two rotating plates 6 in the same group can be driven to rotate relatively and finally be aligned along the stretched straight line, and at this time, the two rotating plates 6 in the same group are located on the same straight line, so that the rotating plates 6 are further located on the same straight line at the air inlet 4.
Furthermore, through guide grooves 19 are formed in the rotating plate 6 and the buffer pad 16, the pull rope 15 passes through the buffer pad 16 and the rotating plate 6 through the guide grooves 19, and when the rotating plates 6 at the air inlet 4 are in the same straight line under the action of the straightening pull rope 15, the rotating plates 6 are aligned with the guide grooves 19 in the buffer pad 16, so that the rotating plates 6 are mutually communicated.
Furthermore, an air guide hole 18 is formed on the outer side surface of the rotating plate 6, and the air guide hole 18 is communicated with the guide groove 19, so that the air entering the guide groove 19 can be discharged through the air guide hole 18.
Here, the positioning shafts 17 on the rotating plates 6 in the same group are arranged on the outer sides opposite to each other, so that the positioning shafts 17 between the adjacent groups are close to each other, at this time, when the pulling rope 15 is tightened to drive the rotating plates 6 to rotate, the two rotating plates 6 in the same group are close to each other, at this time, the ends, close to each other, of the two rotating plates 6 in the same group are in contact with each other and press the cushion 16, and finally, the cushion 16 is in a collinear state, at this point, through the cushion 16, two rigid presses are avoided when the rotating plates 6 are close to each other, through the deformation of the cushion 16, on one hand, the two rotating plates 6 can be rotated to the collinear state to avoid interference, on the other hand, through the two cushions 16 in contact with each other and pressed, so that the air flow can be stably between the two adjacent rotating plates 6, and on the same hand, through the cushion 16 arranged on the rotating plates 6 between the two adjacent groups of rotating plates 6, also can extrude each other and improve the leakproofness of connecting, and because blotter 16's existence, rotate to the collinear in-process when adjacent two sets of rotor plates 6, originally be in extruded blotter 16 and prolong the expansion gradually, thereby rotor plates 6 with between each group dock and switch on, and rotor plates 6 that are located air intake 4 front and back edge are at the pivoted in-process, blotter 16 on it contacts and extrudes with the front and back both sides wall of air intake 4, thereby seal air intake 4, to this end, can seal air intake 4 when stay cord 15 straightens and drives a plurality of rotor plates 6 and be in the collinear state.
When the air cooler is in practical use, the fixing frame 8 is fixedly connected to the inner side of the sealing frame 9, the cooling fan is fixed inside the fixing frame 8, the space inside the sealing frame 9 is set to be the accommodating chamber 23, the inner wall of the shell 1 is located in the accommodating chamber 23 and is provided with the air inlet slot 22, the air inlet slot 22 is in an L shape, one end of the air inlet slot is communicated with the accommodating chamber 23, the other end of the air inlet slot is communicated with the air inlet 4, when the plurality of rotating plates 6 are collinear, the rotating plates 6 located at the edges are communicated with the air inlet slot 22 through the guide slots 19, and therefore air inside the accommodating chamber 23 can enter the rotating plates 6 through the air inlet slot 22.
When the first filter screen 3 needs to be cleaned in practical use, the stay cord 15 can be tightened to drive the plurality of rotating plates 6 to be collinear, the air inlet 4 can be sealed through the collinear rotating plates 6, so far, only the cooling fan is conducted in the accommodating chamber 23 on the inner side of the whole sealing frame 9, the fan blade 24 is driven to rotate reversely through the servo motor 25, air flow flows into the accommodating chamber 23 and then flows to the guide groove 19 on the rotating plate 6 through the air inlet groove 22, the plurality of rotating plates 6 are conducted with each other through the guide groove 19, so that the air flow quickly fills 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 that the pulling rope 15 is tightened to drive the rotating plates 6 to be collinear, the fan blades 24 reversely rotate to blow the connecting belt 7, so that the connecting belt 7 is arranged on the outer side of the rotating plates 6, the guide holes formed in the rotating plates 6 are in an inclined state and incline towards the connecting belt 7 arranged on the outer side of the rotating plates 6, therefore, when air currents discharged through the guide grooves 19 and the guide blocks are also blown on the connecting belt 7, the connecting belt 7 is blown to swing and contact with the first filter screen 3, dust attached to the first filter screen 3 can be removed favorably by the movement of the connecting belt 7 on the side surface of the first filter screen 3, the raised dust can be blown away by the air currents discharged from the guide holes, so that the first filter screen 3 can be cleaned, a good cleaning effect can be achieved on the first filter screen 3 through the matching of the connecting belt 7 and the guide holes, and the air inlet 4 is sealed by the plurality of rotating plates 6 which are collinear during the cleaning process, consequently, the dust of raising can not enter into inside the shell 1 to protect the inside converter of shell 1, wind-force through adjusting flabellum 24 production in the in-service use process adjusts and beats the effort on connecting band 7 through the guide block discharge, thereby can drive connecting band 7 and swing on first filter screen 3, is favorable to further improving the clearance effect to first filter screen 3.
In conclusion, the air inlet 4 is sealed by the collinear rotating plate 6 in the process of cleaning the first filter screen 3, so that dust is prevented from entering the shell 1, and 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 strips 14 on the inner side of the shell 1, the barrier strips 14 are arranged inside the sealing frame 9, when the fan blades 24 rotate to drive the air in the external environment to enter the shell 1 through the connecting band 7, the connecting band 7 is opened, the barrier strips 14 are arranged at the top and the bottom of the connecting band 7 at the moment, the air flow can be prevented from entering the shell 1 through the gap between the top end and the bottom end of the connecting band 7, and the efficiency and the practicability of the filtering are improved.
Can be provided with temperature sensor here in that shell 1 is 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, in-service use, driving motor 2 and servo motor 25 can also inlay establishes wireless transmitter, so that staff remote control driving motor 2 and servo motor 25, thereby convenient to use and operation.
Claims (9)
1. The utility model provides a novel easily dispel heat converter, includes the shell, and 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 air intake department of being close to of shell is provided with radiator fan, shell internally mounted has converter main part, its characterized in that: a plurality of rotating plates are rotatably arranged at the air inlet, two adjacent rotating plates are arranged into 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, and 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 stretch the connecting band.
2. The novel frequency converter easy to dissipate heat according to claim 1, characterized in that: 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 is wavy and sequentially penetrates through the rotating plates and then extends into the inner cavity of the shell again.
3. The novel frequency converter easy to dissipate heat according to claim 1, characterized in that: be provided with the location axle on the rotor plate, the location axle run through the rotor plate and with rotor plate fixed connection, the top and the bottom that lie in the air intake on the shell have all been seted up spacing hole, the top and the bottom of location axle all extend to spacing downthehole portion and rotate with the shell and be connected, spacing downthehole portion is provided with the wind spring, the outside of location axle is located to the wind spring cover, the one end of wind spring and the inner wall fixed connection in spacing hole, the other end of wind spring is fixed mutually with the lateral surface of location axle.
4. The novel frequency converter easy to dissipate heat according to claim 2, characterized in that: the improved gear transmission mechanism is characterized in that a vertical shaft is arranged inside the shell, two ends of the pull rope, which are arranged in an inner cavity of the shell, are fixedly connected with the vertical shafts on two sides respectively, a driven bevel gear is fixedly connected to the bottom end of the vertical shaft, a drive bevel gear is meshed to the bottom end of the driven bevel gear, a drive shaft is arranged inside the shell, the drive bevel gear is fixedly sleeved on the outer side of the drive shaft, a drive motor is arranged on the side face of the shell, and the drive shaft is in transmission connection with the drive motor.
5. The novel frequency converter easy to dissipate heat according to claim 4, characterized in that: the two ends of the rotating plates are fixedly connected with cushion pads, when the pull ropes are stretched straight gradually, the rotating plates in the same group are driven to rotate relatively and are finally aligned along the stretched straight lines, and therefore the rotating plates are located at the air inlets and are located on the same straight line.
6. The novel frequency converter easy to dissipate heat according to claim 5, characterized in that: the air inlet guide device is characterized in that through guide grooves are formed in the rotating plates and the buffer pads, the pull rope penetrates through the buffer pads and the rotating plates through the guide grooves, when the rotating plates at the air inlet are positioned on the same straight line under the action force of the straightening pull rope, the rotating plates are aligned with the guide grooves in the buffer pads to enable the rotating plates to be mutually communicated, inclined air guide holes are formed in the outer side faces of the rotating plates, and the air guide holes are communicated with the guide grooves.
7. The novel frequency converter easy to dissipate heat according to claim 6, characterized in that: the shell inboard is located the sealed frame of fixedly connected with of air inlet department, the fixed frame of the inboard fixedly connected with of sealed frame, radiator fan fixes inside this fixed frame, space in the sealed frame sets up to holding the cavity, the shell inner wall is located this and holds and has seted up the intake stack in the cavity, the intake stack sets up to the L type, intake stack one end switches on with holding the cavity mutually, the intake stack other end switches on with the air intake mutually, and when a plurality of rotor plates collineation, the rotor plate that is located the edge switches on with the intake stack mutually through the guide way.
8. The novel frequency converter easy to dissipate heat according to claim 7, characterized in that: the top and the bottom of the inner side of the shell, which are positioned at the air inlet, are fixedly connected with barrier strips, and the barrier strips are arranged inside the sealing frame.
9. The novel frequency converter easy to dissipate heat according to claim 7, characterized in that: the vertical shaft is rotatably connected to the top end inside the sealing frame, one end of the driving shaft is rotatably 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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| CN202210514635.8A CN114828496B (en) | 2022-05-12 | 2022-05-12 | Novel easy heat dissipation converter |
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| CN202210514635.8A CN114828496B (en) | 2022-05-12 | 2022-05-12 | Novel easy heat dissipation converter |
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| CN117479508A (en) * | 2023-12-26 | 2024-01-30 | 唐山智诚电气（集团）有限公司 | Boost inverter for direct-current wide-voltage input |
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| CN118555812A (en) * | 2024-07-30 | 2024-08-27 | 南通扬宇电子有限公司 | Strain frequency converter for high-temperature environment |
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