CN216819685U

CN216819685U - Frequency converter capable of protecting clutch during continuous load

Info

Publication number: CN216819685U
Application number: CN202123191192.3U
Authority: CN
Inventors: 欧阳明凤
Original assignee: Shenzhen Xinyueyang New Energy Co ltd
Current assignee: Shenzhen Xinyueyang New Energy Co ltd
Priority date: 2021-12-18
Filing date: 2021-12-18
Publication date: 2022-06-24
Anticipated expiration: 2031-12-18

Abstract

The utility model belongs to the technical field of frequency converters, and discloses a frequency converter capable of protecting a clutch when the clutch is continuously loaded. According to the utility model, through the design of the brush plate, the pneumatic cylinder, the movable block and the connecting rod, due to the design of the pneumatic cylinder, when the pneumatic cylinder runs, the movable block is pushed upwards, so that the movable block moves upwards, and through the transmission action of the connecting rod, a rightward force is applied to the brush plate, so that the brush plate drives the brush to move rightwards together, thereby cleaning dust attached to the surface of the heat dissipation hole, preventing the dust in the air from attaching to the surface of the heat dissipation hole due to long-time operation, facilitating the timely heat dissipation and improving the heat dissipation effect.

Description

Frequency converter capable of protecting clutch during continuous load

Technical Field

The utility model belongs to the technical field of frequency converters, and particularly relates to a frequency converter capable of protecting a clutch during continuous loading.

Background

The frequency converter is an electric control device which controls an alternating current motor by applying a frequency conversion technology and a microelectronic technology and changing the frequency of a working power supply of the motor, the frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of an electric semiconductor device, the currently used frequency converter mainly adopts vector control frequency conversion, firstly converts the power frequency alternating current power supply into a direct current power supply through a rectifier, and then converts the direct current power supply into an alternating current power supply with controllable frequency and voltage to supply to the motor.

At present, the staff is in order to protect when can be to clutch continuous load operation, change the electric current size through can using the converter, thereby play the effect of protection to the clutch, the louvre has all been seted up to the surface of general converter, dispel the heat to the heat of its inside production, nevertheless because long-time operation, dust in the air can be attached to the surface of louvre, thereby it is relatively poor to make the radiating effect of louvre, lead to the heat can't in time effluvium, part to converter inside causes the damage.

Inside general converter has a large amount of electric capacity subassemblies usually, and electric capacity subassembly adopts fixed mode to install under the normal conditions, and the converter inner space is comparatively narrow and small, when the condenser takes place to damage for the staff is not convenient for maintain or change the operation to the electric capacity subassembly of converter inside, has reduced staff's operating efficiency, consequently needs to improve and optimize it.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a frequency converter capable of protecting a clutch under continuous load, which has the advantages of convenience in dust removal and maintenance and replacement.

In order to achieve the purpose, the utility model provides the following technical scheme: a frequency converter capable of protecting a clutch during continuous loading comprises a frequency converter, wherein a radiating hole is formed in the right end of the frequency converter, fixed plates located inside the frequency converter are fixedly mounted at the front top and the bottom of the radiating hole, the number of the fixed plates is two, a brush plate is movably mounted between the two fixed plates, a brush is fixedly mounted at the back of the brush plate, a movable block is movably mounted at the front of the frequency converter, a first groove located at the back of the movable block is formed in the frequency converter, a first movable block located inside the first groove is fixedly mounted at the back of the movable block, a pneumatic cylinder is fixedly mounted at the bottom of the movable block, a connecting rod located at the front of the fixed plates is hinged between the movable block and the brush plate, and due to the design of the pneumatic cylinder, when the pneumatic cylinder runs, the movable block is pushed upwards to move upwards, through the transmission effect of connecting rod, will exert the power of rightwards to the brush board for the brush board drives the brush and moves right together, thereby cleans the adnexed dust in louvre surface, improves the radiating effect.

As a preferred technical scheme of the utility model, the moving plate is movably mounted inside the frequency converter, the capacitor assembly is fixedly mounted at the top of the moving plate, the second grooves located at two sides of the moving plate are formed inside the frequency converter, and due to the design of the second grooves, the moving plate can be well limited, so that the moving plate is more stable and smooth in the moving process, and a worker can conveniently maintain or replace the capacitor assembly.

As a preferred technical scheme of the utility model, the two sides of the moving plate are fixedly provided with second moving blocks positioned in the second grooves, the inside of the second grooves is clamped with first springs elastically supported at the right ends of the second moving blocks, due to the design of the first springs, the first springs are in an elastic stretching state, and a worker rotates the movable door, so that after the movable door is opened, due to the elastic recovery effect of the first springs, a rightward pulling force is applied to the moving plate, and the moving plate drives the capacitor assembly to move rightward.

According to the preferable technical scheme, the right end of the frequency converter is hinged with the movable door, the limiting plate is fixedly mounted at the left end of the front face of the movable door, and due to the design of the limiting plate, a worker can conveniently pull the limiting plate to enable the movable door to rotate and open, and meanwhile, the movable rod can conveniently enter the limiting plate, so that the movable door is well fixed.

As a preferred technical scheme of the utility model, the left end of the front surface of the frequency converter is fixedly provided with a shell positioned at the left end of the limiting plate, a movable plate is movably sleeved in the shell, a movable rod is movably arranged in the shell, the right end of the moving rod penetrates through the moving plate and the shell in sequence and extends into the limiting plate, the left end of the moving rod penetrates through the shell, the outer surface of the moving rod is movably sleeved with a second spring which is elastically supported in the shell, a worker pulls the moving rod leftwards, the movable door is characterized in that the movable rod and the movable plate move leftwards together, the right end of the movable rod is separated from the limiting plate, the second spring is extruded to be in an elastic compression state, the movable rod is loosened, and at the moment, due to the elastic recovery effect of the second spring, a rightward force is applied to the movable plate to enable the movable plate to drive the movable rod to move rightwards to the inside of the limiting plate to fix the movable door.

According to the preferred technical scheme, the number of the movable doors is three, the three movable doors correspond to the height positions of the three moving plates, due to the design of the movable doors, a worker can open the corresponding movable doors according to the specific positions of the moving plates, the capacitor assemblies damaged by the specific positions can be conveniently maintained by the worker, and other normally-working capacitor assemblies are prevented from being accidentally damaged in the maintenance process.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the design of the brush plate, the pneumatic cylinder, the movable block and the connecting rod, due to the design of the pneumatic cylinder, when the pneumatic cylinder runs, the movable block is pushed upwards, so that the movable block moves upwards, and a rightward force is applied to the brush plate through the transmission effect of the connecting rod, so that the brush plate drives the brush to move rightwards together, thereby cleaning dust attached to the surface of the heat dissipation hole, preventing the dust in the air from attaching to the surface of the heat dissipation hole due to long-time operation, facilitating the timely heat dissipation and improving the heat dissipation effect.

2. According to the utility model, through the arrangement of the first spring, the movable door, the movable rod and the second spring, a worker pulls the movable rod leftwards to enable the movable rod and the movable plate to move leftwards together, at the moment, the right end of the movable rod is separated from the limiting plate, the second spring is extruded to be in an elastic compression state, the worker rotates the movable door, after the movable door is opened, a rightward pulling force is applied to the movable plate due to the elastic force recovery action of the first spring, so that the movable plate drives the capacitor assembly to move rightwards, the phenomenon that the capacitor assembly in the frequency converter is inconvenient to maintain or replace due to the narrow inner space is prevented, and the operation efficiency of the worker is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

FIG. 3 is a schematic diagram of the internal structure of the frequency converter of the present invention;

FIG. 4 is a schematic view of the internal structure of the sports board of the present invention;

FIG. 5 is a schematic diagram of the internal structure of the first groove according to the present invention.

In the figure: 1. a frequency converter; 2. heat dissipation holes; 3. a fixing plate; 4. brushing the board; 5. a brush; 6. a movable block; 7. a first groove; 8. a first motion block; 9. a pneumatic cylinder; 10. a connecting rod; 11. a motion plate; 12. A capacitive component; 13. a second groove; 14. a second motion block; 15. a first spring; 16. a movable door; 17. a housing; 18. moving the plate; 19. a travel bar; 20. a second spring; 21. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a frequency converter capable of protecting a clutch during continuous loading, which comprises a frequency converter 1, wherein a heat dissipation hole 2 is formed at the right end of the frequency converter 1, fixed plates 3 positioned inside the frequency converter 1 are fixedly installed at the top and the bottom of the front surface of the heat dissipation hole 2, the number of the fixed plates 3 is two, a brush plate 4 is movably installed between the two fixed plates 3, a brush 5 is fixedly installed at the back surface of the brush plate 4, a movable block 6 is movably installed at the front surface of the frequency converter 1, a first groove 7 positioned at the back surface of the movable block 6 is formed inside the frequency converter 1, a first movable block 8 positioned inside the first groove 7 is fixedly installed at the back surface of the movable block 6, a pneumatic cylinder 9 is fixedly installed at the bottom end of the movable block 6, a connecting rod 10 positioned at the front surface of the fixed plate 3 is hinged between the movable block 6 and the brush plate 4, due to the design of the pneumatic cylinder 9, when pneumatic cylinder 9 moves, will upwards promote movable block 6 for movable block 6 upward movement, through the transmission of connecting rod 10, will exert the power of rightwards to brush board 4, make brush board 4 drive brush 5 together move rightwards, thereby clean 2 surperficial adnexed dusts of louvre, improve the radiating effect.

Wherein, the inside movable mounting of converter 1 has motion board 11, and the top fixed mounting of motion board 11 has electric capacity subassembly 12, and the second recess 13 that is located motion board 11 both sides is seted up to the inside of converter 1, because the design of second recess 13, can play good limiting displacement to motion board 11 for motion board 11 is more stable and smooth at the in-process of motion, and the staff of being convenient for maintains or changes the operation to electric capacity subassembly 12.

Wherein, the equal fixed mounting in both sides of motion board 11 has the second motion piece 14 that is located second recess 13 inside, the inside card of second recess 13 is equipped with elastic support in the first spring 15 of second motion piece 14 right-hand member, because the design of first spring 15, first spring 15 is in elasticity tensile state this moment, the staff rotates dodge gate 16, make dodge gate 16 open the back, because the elasticity recovery effect of first spring 15, will exert a right pulling force to motion board 11, make motion board 11 drive capacitor assembly 12 move right.

Wherein, the right-hand member of converter 1 articulates there is dodge gate 16, and the positive left end fixed mounting of dodge gate 16 has limiting plate 21, because limiting plate 21's design, when the staff that can be convenient for stimulate limiting plate 21 and make dodge gate 16 rotate and open, the carriage release lever 19 of also being convenient for enters into limiting plate 21's inside, plays good fixed action to dodge gate 16.

Wherein, the left end of the front surface of the frequency converter 1 is fixedly provided with a shell 17 positioned at the left end of a limit plate 21, the interior of the shell 17 is movably sleeved with a movable plate 18, the interior of the shell 17 is movably provided with a movable rod 19, the right end of the movable rod 19 sequentially penetrates through the movable plate 18 and the shell 17 and extends to the interior of the limit plate 21, the left end of the movable rod 19 penetrates through the shell 17, the outer surface of the movable rod 19 is movably sleeved with a second spring 20 which is elastically supported in the shell 17, a worker pulls the movable rod 19 leftwards, the moving rod 19 and the moving plate 18 move leftwards together, at this time, the right end of the moving rod 19 is separated from the limit plate 21, the second spring 20 is pressed to be in an elastic compression state, the moving rod 19 is loosened, and at this time, due to the elastic force recovery effect of the second spring 20, a rightward force is applied to the moving plate 18, so that the moving plate 18 drives the moving rod 19 to move rightwards to the inside of the limit plate 21, and the movable door 16 is fixed.

Wherein, the quantity of dodge gate 16 is three, and three dodge gate 16 corresponds each other with three motion board 11 high position, because the design of dodge gate 16, the staff can be to opening according to the specific position of motion board 11 to the dodge gate 16 that corresponds, and the staff of being convenient for maintains to the electric capacity subassembly 12 of concrete position damage, prevents to cause unexpected damage to the electric capacity subassembly 12 of other normal work at the in-process of maintenance.

The working principle and the using process of the utility model are as follows:

firstly, after long-time operation, the surface of the heat dissipation hole 2 is blocked, so that heat inside the frequency converter 1 cannot be dissipated in time, at the moment, a worker starts the pneumatic cylinder 9, the movable block 6 is pushed upwards due to the operation of the pneumatic cylinder 9, the movable block 6 moves upwards, and a rightward force is applied to the brush plate 4 through the transmission action of the connecting rod 10, so that the brush plate 4 drives the brush 5 to move rightwards together, so that dust attached to the surface of the heat dissipation hole 2 is cleaned, the dust in the air is prevented from being attached to the surface of the heat dissipation hole 2 due to long-time operation, and the heat is dissipated in time;

when the capacitor assembly 12 is in failure and needs to be maintained or replaced, a worker pulls the moving rod 19 leftwards to detect a specific position where the capacitor assembly 12 is damaged through an instrument, the worker moves the moving rod 19 and the moving plate 18 leftwards together, the right end of the moving rod 19 is separated from the limiting plate 21 at the moment, the second spring 20 is extruded to be in an elastic compression state, the worker rotates the movable door 16, after the movable door 16 is opened, a rightward pulling force is applied to the moving plate 11 due to the elastic recovery action of the first spring 15, the moving plate 11 drives the capacitor assembly 12 to move rightwards, and therefore the capacitor assembly 12 is maintained or replaced;

after the capacitor assembly 12 is repaired or replaced by a worker, the moving plate 11 is pushed, so that the moving plate 11 drives the capacitor assembly 12 to enter the inside of the frequency converter 1, the first spring 15 is in an elastic stretching state due to the tensile force, the movable door 16 is rotated, the movable door 16 is closed, the moving rod 19 is loosened, and at this time, due to the elastic recovery effect of the second spring 20, a rightward force is applied to the moving plate 18, so that the moving plate 18 drives the moving rod 19 to move rightward to the inside of the limiting plate 21, and the movable door 16 is fixed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Frequency converter capable of protection when the clutch is continuously loaded, comprising a frequency converter (1), characterized in that: the right end of the frequency converter (1) is provided with a heat dissipation hole (2), the top and the bottom of the front surface of the heat dissipation hole (2) are fixedly provided with a fixing plate (3) positioned inside the frequency converter (1), the number of the fixing plates (3) is two, a brush plate (4) is movably arranged between the two fixing plates (3), the back of the brush plate (4) is fixedly provided with a brush (5), the front of the frequency converter (1) is movably provided with a movable block (6), a first groove (7) positioned at the back of the movable block (6) is arranged in the frequency converter (1), a first moving block (8) positioned in the first groove (7) is fixedly arranged on the back surface of the moving block (6), the bottom fixed mounting of movable block (6) has pneumatic cylinder (9), it has connecting rod (10) that are located fixed plate (3) front to articulate between movable block (6) and brush board (4).

2. A frequency converter capable of protection when the clutch is continuously loaded according to claim 1, wherein: the frequency converter is characterized in that a moving plate (11) is movably mounted inside the frequency converter (1), a capacitor assembly (12) is fixedly mounted at the top of the moving plate (11), and second grooves (13) located on two sides of the moving plate (11) are formed in the frequency converter (1).

3. A frequency converter capable of protection when the clutch is continuously loaded according to claim 2, characterized in that: the two sides of the moving plate (11) are fixedly provided with second moving blocks (14) located in second grooves (13), and first springs (15) which are elastically supported at the right ends of the second moving blocks (14) are clamped in the second grooves (13).

4. A frequency converter capable of protection when the clutch is continuously loaded according to claim 1, wherein: the right-hand member of converter (1) articulates there is dodge gate (16), the positive left end fixed mounting of dodge gate (16) has limiting plate (21).

5. A frequency converter capable of protection when the clutch is continuously loaded according to claim 1, wherein: frequency converter (1) positive left end fixed mounting has shell (17) that is located limiting plate (21) left end, movable plate (18) have been cup jointed in the inside activity of shell (17), the inside movable mounting of shell (17) has carriage release lever (19), the right-hand member of carriage release lever (19) runs through movable plate (18) and shell (17) in proper order and extends to the inside of limiting plate (21), shell (17) is run through to the left end of carriage release lever (19), the surface activity of carriage release lever (19) is cup jointed to have elasticity to accept in shell (17) inside second spring (20).

6. A frequency converter capable of protection when the clutch is continuously loaded according to claim 4, characterized in that: the number of the movable doors (16) is three, and the three movable doors (16) correspond to the height positions of the three moving plates (11).