CN212211664U - Frequency converter with waterproof structure - Google Patents

Abstract

The utility model discloses a converter with waterproof construction, including main part, installation piece and second vent board, the protection ejector pin is installed at the top of main part, and the inner wall of main part has seted up the through wires hole, the second vent board sets up in the outside of fixed plate, and the outer wall of second vent board is provided with the dwang, the installation piece sets up in the back wall of main part, and installs first spout in the inner wall of installation piece. This converter with waterproof construction is provided with the protection ejector pin, the protection ejector pin is connected with the top of main part through the welding, and the protection ejector pin is the symmetric distribution about the vertical center of main part, and distribute for the equidistance between the protection ejector pin, the protection ejector pin can prevent that external article from pounding the device roof to cause the damage to the device, the protection ejector pin plays the protection to the top of device, the effect of shielding, the holistic barrier propterty of device has been strengthened to a certain extent, the life of main part has been improved simultaneously.

Description

Frequency converter with waterproof structure

Technical Field

The utility model relates to a converter technical field specifically is a converter with waterproof construction.

Background

The Variable-frequency Drive (VFD) is a power control device that applies frequency conversion technology and microelectronic technology and controls an ac motor by changing the frequency of a working power supply of the motor, and is mainly composed of a rectifier (alternating current to direct current), a filter, an inverter (direct current to alternating current), a brake unit, a Drive unit, a detection unit microprocessor unit, and the like.

The converter outer wall on the market is comparatively smooth, is difficult to install with other electrical apparatus, and has great voltage in the converter use, has certain potential safety hazard, simultaneously, and there are more circuits in the converter inside, and the circuit twines each other and ties a knot and easily causes the circuit short circuit, thereby influences its normal use, for this reason, we propose such a converter with waterproof construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a converter with waterproof construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a frequency converter with a waterproof structure comprises a main body, an installation block and a second ventilating plate, wherein a protective ejector rod is installed at the top of the main body, a threading hole is formed in the inner wall of the main body, a string column is installed below the threading hole, a second sliding groove is installed inside the string column, a movable column is arranged on the inner side of the second sliding groove, a second sliding block is fixed on the outer wall of the movable column, wire grooves are formed in the outer walls of the string column and the movable column, a rubber ring is arranged on the outer side of each wire groove, a fixed plate, a spring and a limiting clamping plate are sequentially arranged below the string column from left to right, a soft layer is installed on the inner wall of the limiting clamping plate, a placing plate is arranged below the limiting clamping plate, an installation strip is arranged below the placing plate, a door leaf is installed on the outer side of the main body, a base is arranged at the bottom of the main body, and the inboard of base is settled there is the insulator spindle, the second ventilating board sets up in the outside of fixed plate, and the outer wall of second ventilating board is provided with the dwang, the connecting plate is installed to the end of dwang, settle in the outside of second ventilating board has first ventilating board, the installation piece sets up in the back wall of main part, and the inner wall of installation piece installs first spout, settle in the inboard of first spout has the fly leaf, and the outer wall of fly leaf is fixed with first slider, the mounting hole has been seted up to the inside of fly leaf.

Preferably, the movable plate is matched with the first sliding groove through the first sliding block to form a sliding structure, mounting holes are formed in the movable plate at equal intervals, and the mounting holes penetrate through the front end face and the rear end face of the movable plate respectively.

Preferably, the spring is connected with the outer wall of spacing splint and fixed plate respectively through the welding, and spacing splint pass through mutually supporting between spring and the fixed plate and constitute elastic construction, and the inner wall of spacing splint has the soft layer through adhesive connection moreover.

Preferably, the protection ejector rods are connected with the top of the main body through welding, the protection ejector rods are symmetrically distributed about the vertical center of the main body, and the protection ejector rods are distributed equidistantly.

Preferably, the movable column is matched with the second sliding groove through the second sliding block to form a sliding structure, the wire grooves are distributed on the outer walls of the wire column and the movable column at equal intervals, and the rubber rings are distributed in a one-to-one correspondence mode according to the positions of the wire grooves.

Preferably, damping spring passes through the welding respectively with the inner wall of base and the outer wall connection of main part, and damping spring is provided with two sets ofly, and damping spring is the symmetric distribution about the vertical central line of base moreover, and the inboard equidistance of base distributes simultaneously has the insulator spindle.

Preferably, be swing joint between first ventilating board and the dwang, and there is the second ventilating board bottom of dwang through welded connection, and the second ventilating board passes through to cooperate each other between dwang and the first ventilating board moreover and constitutes revolution mechanic, and the inside equidistance of first ventilating board, second ventilating board distributes simultaneously has radial bleeder vent.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the frequency converter with the waterproof structure is provided with the protection ejector rods, the protection ejector rods are connected with the top of the main body through welding, the protection ejector rods are symmetrically distributed about the vertical center of the main body, the protection ejector rods are distributed equidistantly, the protection ejector rods can prevent external objects from hitting the top wall of the device, damage to the device is avoided, the protection ejector rods play a role in protecting and shielding the top of the device, the overall protection performance of the device is enhanced to a certain degree, the service life of the main body is prolonged, a waterproof layer arranged on the outer wall of the main body plays a waterproof role, drying of the inner side of the main body is guaranteed, the first ventilation plate is movably connected with the rotating rod, the bottom end of the rotating rod is connected with the second ventilation plate through welding, the second ventilation plate is matched with the first ventilation plate through the rotating rod to form a rotating structure, and meanwhile, the first ventilation plate, Radial air holes are distributed in the second ventilating plate at equal intervals, the first ventilating plate and the second ventilating plate are well designed to dissipate heat of components in the main body, the conditions that the temperature of the inner side is high in the working process, the components are failed and the circuit is short-circuited when heat dissipation is not performed in time are avoided, and in the case that the external environment is wet, a worker can directly rotate the rotating rod to enable the positions of the air holes in the first ventilating plate and the air holes in the second ventilating plate to be deviated, so that the sealing performance of the inner side of the main body is guaranteed, and a dustproof effect is achieved;

2. the movable column is matched with the second sliding groove through the second sliding block to form a sliding structure, the wire grooves are equidistantly distributed on the outer walls of the wire column and the movable column, the rubber rings are correspondingly distributed on the positions of the wire grooves one by one, wires can be placed through the wire grooves formed in the outer walls of the wire column and the movable column respectively, the wires can be arranged in a classified mode, convenience is provided for workers to arrange and classify the wires, the use process of a main body is safer, potential safety hazards caused by winding of circuits inside the main body are eliminated, the rubber rings can bind the wires, the wires are fixed more stably, the rubber rings have insulating performance, safety in the circuit arranging process is guaranteed, meanwhile, a user can adjust the exposed length of the movable column through sliding the second sliding block according to actual conditions, the winding process of different lengths and kinds of circuits is met, the shock absorption device has strong practicability, the shock absorption springs are respectively connected with the inner wall of the base and the outer wall of the main body through welding, two groups of shock absorption springs are arranged, the shock absorption springs are symmetrically distributed about the vertical central line of the base, meanwhile, the insulating rods are equidistantly distributed on the inner side of the base, when the outer part of the main body is impacted, the shock absorption springs weaken direct impact force, the safety of the inner main body is ensured, the integral protection performance of the device is improved to a certain extent, and due to the fact that large voltage exists in the working process of the main body, the insulating rods can be designed to insulate, insulate heat and insulate fire, and the safety of the main body is ensured;

3. the movable plate is matched with the first sliding groove through the first sliding block to form a sliding structure, the mounting holes are formed in the movable plate at equal intervals and penetrate through the front end face and the rear end face of the movable plate respectively, the design facilitates the fixing process of the main body and a wall surface or other fixed objects, the stability of the main body in the using process is ensured, the movable plate slides out of the mounting blocks through sliding the first sliding block, the mounting stability of the whole main body is improved by enlarging the contact area with other fixed objects and the like, the design of the mounting holes further provides convenience for the mounting process of a user, the spring is connected with the limiting clamp plate and the outer wall of the fixed plate through welding, the limiting clamp plate is matched with the fixed plate through the spring to form an elastic structure, the inner wall of the limiting clamp plate is connected with a soft layer through bonding, and electrical components in the main body are mounted through the limiting clamp plate, the stability of electrical components in the working process is guaranteed, the design of springs also guarantees that electrical components of different sizes and models can be fixedly mounted on the inner sides of the two limiting clamping plates, the flexibility in the process of mounting an electric appliance is improved, meanwhile, the design of a soft layer avoids the limiting clamping plates from damaging the outer wall of the electrical components, and the integrity of the outer wall of the electrical components is guaranteed.

Drawings

FIG. 1 is a schematic view of the front perspective structure of the present invention;

FIG. 2 is a schematic rear sectional view of the structure of the present invention;

fig. 3 is a schematic view of a connection structure between the first ventilating plate and the main body of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the wire column of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a main body; 2. a protective ejector rod; 3. a wire post; 4. threading holes; 5. a door leaf; 6. mounting a bar; 7. a damping spring; 8. a spring; 9. a limiting clamp plate; 10. a soft layer; 11. a first vent panel; 12. a connecting plate; 13. a fixing plate; 14. placing the plate; 15. rotating the rod; 16. a base; 17. an insulating rod; 18. mounting blocks; 19. a first chute; 20. a first slider; 21. a movable plate; 22. mounting holes; 23. a second vent plate; 24. a movable post; 25. a wire slot; 26. a rubber ring; 27. a second chute; 28. and a second slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a frequency converter with a waterproof structure comprises a main body 1, an installation block 18 and a second ventilating plate 23, wherein a protective ejector rod 2 is installed at the top of the main body 1, a threading hole 4 is formed in the inner wall of the main body 1, a string post 3 is installed below the threading hole 4, a second sliding groove 27 is installed inside the string post 3, a movable post 24 is arranged on the inner side of the second sliding groove 27, a second sliding block 28 is fixed on the outer wall of the movable post 24, wire grooves 25 are formed in the outer walls of the string post 3 and the movable post 24, a rubber ring 26 is arranged on the outer side of each wire groove 25, a fixed plate 13, a spring 8 and a limiting clamp plate 9 are sequentially arranged below the string post 3 from left to right, a soft layer 10 is installed on the inner wall of the limiting clamp plate 9, a placing plate 14 is arranged below the limiting clamp plate 9, an installation strip 6 is arranged below the placing plate 14, a door leaf 5 is installed on the outer side of the main body 1, the inner wall of the base 16 is provided with a damping spring 7, the inner side of the base 16 is provided with an insulating rod 17, the second ventilating plate 23 is arranged on the outer side of the fixed plate 13, the outer wall of the second ventilating plate 23 is provided with a rotating rod 15, the tail end of the rotating rod 15 is provided with a connecting plate 12, the outer side of the second ventilating plate 23 is provided with a first ventilating plate 11, the mounting block 18 is arranged on the rear wall of the main body 1, the inner wall of the mounting block 18 is provided with a first sliding groove 19, the inner side of the first sliding groove 19 is provided with a movable plate 21, the outer wall of the movable plate 21 is fixed with a first sliding block 20, and the movable;

the movable plate 21 is matched with the first sliding groove 19 through the first sliding block 20 to form a sliding structure, the mounting holes 22 are formed in the movable plate 21 at equal intervals, the mounting holes 22 penetrate through the front end face and the rear end face of the movable plate 21 respectively, the fixing process of the main body 1 and a wall surface or other fixed objects and the like is facilitated through the design, the stability of the main body 1 in the using process is guaranteed, the movable plate 21 slides out of the mounting block 18 through sliding the first sliding block 20, the contact area with other fixed objects and the like is enlarged, the overall mounting stability of the main body 1 is improved, and the design of the mounting holes 22 further provides convenience for the mounting process of a user;

the spring 8 is respectively connected with the outer walls of the limiting clamp plate 9 and the fixing plate 13 through welding, the limiting clamp plate 9 is matched with the fixing plate 13 through the spring 8 to form an elastic structure, the inner wall of the limiting clamp plate 9 is connected with the soft layer 10 through bonding, the electric elements on the inner side of the main body 1 are installed through the limiting clamp plate 9, the stability of the electric elements in the working process is guaranteed, the design of the spring 8 also guarantees that the electric elements with different sizes and models can be fixedly installed on the inner sides of the two limiting clamp plates 9, the flexibility in installation of electric appliances is improved, meanwhile, the damage of the limiting clamp plate 9 to the outer walls of the electric elements is avoided through the design of the soft layer 10, and the integrity of the outer;

the protection ejector rods 2 are connected with the top of the main body 1 through welding, the protection ejector rods 2 are symmetrically distributed about the vertical center of the main body 1, the protection ejector rods 2 are distributed equidistantly, the protection ejector rods 2 can prevent external objects from hitting the top wall of the device, the device is damaged, and the like, the protection ejector rods 2 play a role in protecting and shielding the top of the device, the overall protection performance of the device is enhanced to a certain extent, and meanwhile the service life of the main body 1 is prolonged;

the movable column 24 is matched with the second sliding groove 27 through the second sliding block 28 to form a sliding structure, the wire grooves 25 are equidistantly distributed on the outer walls of the wire column 3 and the movable column 24, the rubber rings 26 are correspondingly distributed on the wire grooves 25 in a one-to-one manner, wires can be placed through the wire grooves 25 formed in the outer walls of the wire column 3 and the movable column 24 respectively, the wires can be arranged in a classified manner, convenience is brought to the arrangement and classification process of the wires by workers, the using process of the main body 1 is safer, potential safety hazards caused by winding of circuits inside the main body 1 are eliminated, the rubber rings 26 can bind the wires, the wires are fixed more stably, the rubber rings 26 have insulating performance, the safety in the circuit arrangement process is ensured, and meanwhile, a user can adjust the exposed length of the movable column 24 by sliding the second sliding block 28 according to actual conditions, the winding process of lines with different lengths and types is met, and the practicability is high;

the damping springs 7 are respectively connected with the inner wall of the base 16 and the outer wall of the main body 1 through welding, two groups of damping springs 7 are arranged, the damping springs 7 are symmetrically distributed about the vertical central line of the base 16, meanwhile, the insulating rods 17 are equidistantly distributed on the inner side of the base 16, when the outer part of the main body 1 is impacted, the damping springs 7 weaken direct impact force, the safety of the inner main body 1 is ensured, the integral protection performance of the device is improved to a certain extent, and the insulating rods 17 can insulate, insulate heat and insulate fire due to the fact that the main body 1 has larger voltage in the working process, and the safety of the main body 1 is ensured;

the first ventilating plate 11 is movably connected with the rotating rod 15, the bottom end of the rotating rod 15 is connected with the second ventilating plate 23 through welding, the second ventilating plate 23 is matched with the first ventilating plate 11 through the rotating rod 15 to form a rotating structure, meanwhile, radial air holes are distributed in the first ventilating plate 11 and the second ventilating plate 23 at equal intervals, the first ventilating plate 11 and the second ventilating plate 23 are well designed to finish heat dissipation of components in the main body 1, the situations of component failure, circuit short circuit and the like caused by high temperature of the inner side in the working process and untimely heat dissipation are avoided, and under the condition that the external environment is wet, a worker can directly rotate the rotating rod 15 to enable the positions of the air holes in the first ventilating plate 11 and the air holes in the second ventilating plate 23 to be deviated, so that the sealing performance of the inner side of the main body 1 is ensured, the dustproof function is achieved.

The working principle is as follows: for the frequency converter with the waterproof structure, firstly, the door leaf 5 is opened, the electric appliance element to be installed is placed on the placing plate 14, then the electric appliance element is fixed and limited by the mutual matching of the limiting clamping plates 9 and the springs 8, and is fixedly installed at the inner sides of the two limiting clamping plates 9, so that the stability of the electric appliance element in the working process is ensured, the design of the soft layer 10 avoids the damage of the limiting clamping plates 9 to the outer wall of the electric appliance element and the like, the integrity of the outer wall of the electric appliance element is ensured, the installation process can also be directly completed by the screws and the like penetrating through the installation holes 22 formed in the inner sides of the installation bars 6, the electric wires are penetrated into the main body 1 through the wire through holes 4, then the sorting cards are arranged in the wire grooves 25 formed in the outer walls of the wire columns 3 and the movable columns 24, the electric wires are bound by the rubber rings 26, the fixation of, the safety of the circuit arrangement process is ensured, meanwhile, a user can adjust the exposed length of the movable column 24 through sliding the second sliding block 28 according to the actual conditions, the winding process of different lengths and types of circuits is met, the door leaf 5 can be directly closed after the circuit is integrally completed, the positions of the air holes in the first ventilating plate 11 and the positions of the air holes in the second ventilating plate 23 are coincided through rotating the rotating rod 15, so that the heat dissipation of components in the main body 1 is realized, under the condition that the external environment is wet, a worker can directly shift the positions of the air holes in the first ventilating plate 11 and the air holes in the second ventilating plate 23 through rotating the rotating rod 15, so that the sealing performance in the working cavity is ensured, the dustproof effect is achieved, the movable plate 21 slides out from the inside of the mounting block 18 through sliding the first sliding block 20, the contact area with other fixed objects is enlarged, thereby increasing the overall installation stability of the main body 1, and the design of the installation hole 22 further provides convenience for the installation process of a user, and thus the use process of the whole frequency converter with a waterproof structure is completed.

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

Claims (7)

1. The utility model provides a converter with waterproof construction, includes main part (1), installation piece (18) and second ventilating board (23), its characterized in that: the protective ejector rod (2) is installed at the top of the main body (1), a threading hole (4) is formed in the inner wall of the main body (1), a string post (3) is installed below the threading hole (4), a second sliding groove (27) is installed inside the string post (3), a movable post (24) is arranged on the inner side of the second sliding groove (27), a second sliding block (28) is fixed on the outer wall of the movable post (24), wire grooves (25) are formed in the outer walls of the string post (3) and the movable post (24), a rubber ring (26) is arranged on the outer side of each wire groove (25), a fixed plate (13), a spring (8) and a limiting clamp plate (9) are sequentially arranged below the string post (3) from left to right, a soft layer (10) is installed on the inner wall of the limiting clamp plate (9), a placing plate (14) is arranged below the limiting clamp plate (9), and a mounting strip (6) is arranged below the placing plate (14), a door leaf (5) is arranged on the outer side of the main body (1), a base (16) is arranged at the bottom of the main body (1), a damping spring (7) is arranged on the inner wall of the base (16), and the inner side of the base (16) is provided with an insulating rod (17), the second vent plate (23) is arranged at the outer side of the fixed plate (13), a rotating rod (15) is arranged on the outer wall of the second ventilating plate (23), a connecting plate (12) is arranged at the tail end of the rotating rod (15), a first ventilating plate (11) is arranged on the outer side of the second ventilating plate (23), the mounting block (18) is arranged on the rear wall of the main body (1), and the inner wall of the mounting block (18) is provided with a first sliding chute (19), the inner side of the first sliding chute (19) is provided with a movable plate (21), and a first sliding block (20) is fixed on the outer wall of the movable plate (21), and a mounting hole (22) is formed in the movable plate (21).

2. The frequency converter with a waterproof structure according to claim 1, characterized in that: the movable plate (21) is matched with the first sliding groove (19) through the first sliding block (20) to form a sliding structure, the movable plate (21) is provided with mounting holes (22) at equal intervals inside, and the mounting holes (22) penetrate through the front end face and the rear end face of the movable plate (21) respectively.

3. The frequency converter with a waterproof structure according to claim 1, characterized in that: spring (8) are connected with the outer wall of spacing splint (9) and fixed plate (13) respectively through the welding, and spacing splint (9) mutually support through between spring (8) and fixed plate (13) and constitute elastic construction, and there is soft layer (10) through adhesive connection in the inner wall of spacing splint (9) moreover.

4. The frequency converter with a waterproof structure according to claim 1, characterized in that: the protection ejector rod (2) is connected with the top of the main body (1) through welding, the protection ejector rod (2) is symmetrically distributed about the vertical center of the main body (1), and the protection ejector rod (2) are distributed equidistantly.

5. The frequency converter with a waterproof structure according to claim 1, characterized in that: the movable column (24) is matched with the second sliding groove (27) through the second sliding block (28) to form a sliding structure, the wire grooves (25) are distributed on the outer walls of the wire column (3) and the movable column (24) at equal intervals, and the rubber rings (26) are distributed in a one-to-one correspondence mode relative to the positions of the wire grooves (25).

6. The frequency converter with a waterproof structure according to claim 1, characterized in that: damping spring (7) are through the outer wall connection of welding respectively with the inner wall of base (16) and main part (1), and damping spring (7) are provided with two sets ofly, and damping spring (7) are the symmetric distribution about the vertical central line of base (16) moreover, and the inboard equidistance of base (16) distributes simultaneously has insulator spindle (17).

7. The frequency converter with a waterproof structure according to claim 1, characterized in that: be swing joint between first ventilating board (11) and dwang (15), and there is second ventilating board (23) bottom of dwang (15) through welded connection, and second ventilating board (23) are mutually supported through dwang (15) and first ventilating board (11) and are constituted revolution mechanic moreover, and the inside equidistance of first ventilating board (11), second ventilating board (23) distributes and has radial bleeder vent simultaneously.

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