CN218982556U

CN218982556U - Adjusting and protecting device in intermediate frequency power supply

Info

Publication number: CN218982556U
Application number: CN202222563528.2U
Authority: CN
Inventors: 董绪; 朱文慧; 董建武
Original assignee: Yanshan Xintai Yongheng Medium Frequency Power Supply Equipment Co ltd
Current assignee: Yanshan Xintai Yongheng Medium Frequency Power Supply Equipment Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-09
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to an adjusting and protecting device in an intermediate frequency power supply, which comprises a shell and an intermediate frequency power supply body, wherein the intermediate frequency power supply body is positioned in the shell, a fixing plate is fixed on the inner cavity wall of the shell, a circuit board is fixed on the upper surface of the fixing plate, a cover plate is abutted to the upper surface of the shell, a mounting mechanism is arranged in the shell, and a dust collection mechanism is arranged on the upper surface of the fixing plate. This regulation protection device in intermediate frequency power supply, through the dust absorption mechanism who sets up, the fan work, inhale first dust box and second dust box with the dust through first straw, the dust in the first dust box can get into in the second dust box through the connecting pipe to in getting into the collecting box through the second straw, the dust stays in the collecting box under the effect of filter screen, the air can be discharged through third straw and play tuber pipe, can absorb the dust in the casing, prevent that the dust from influencing the normal work of intermediate frequency power supply body and circuit board.

Description

Adjusting and protecting device in intermediate frequency power supply

Technical Field

The utility model relates to the technical field of intermediate frequency power supplies, in particular to an adjusting and protecting device in an intermediate frequency power supply.

Background

The medium frequency power supply is a static frequency conversion device, which converts a three-phase power frequency power supply into a single-phase power supply, has strong adaptability to various loads and wide application range, and is mainly applied to smelting, heat preservation, sintering, welding, quenching, tempering, diathermy, metal liquid purification, heat treatment, pipe bending, crystal growth and the like of various metals.

For example, chinese patent (publication number: CN 216390784U) discloses an adjusting and protecting device in an intermediate frequency power supply, by adding an ash blocking plate, when dust enters from a gap between an outer shell and a top cover of the intermediate frequency power supply, the dust can fall on the ash blocking plate, so as to prevent the dust from adhering to a circuit board, and ensure a heat dissipation function of the circuit board itself, wherein the first ash receiving slot and the second ash receiving slot can effectively collect the dust, and when ash is removed, the dust can be more conveniently and rapidly blocked only by the ash blocking plate, and the dust is stored in the ash receiving slot, so that the ash preventing effect is poor, and once the dust is too much, the dust still adheres to the circuit board, and heat dissipation is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the adjusting and protecting device in the intermediate frequency power supply, which has the advantages of good dustproof effect and the like, and solves the problem of poor dustproof effect of the adjusting and protecting device in the conventional intermediate frequency power supply.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an adjust protection device in intermediate frequency power supply, includes casing and intermediate frequency power supply body, intermediate frequency power supply body is located the inside of casing, the inner chamber wall of casing is fixed with the fixed plate, the upper surface of fixed plate is fixed with the circuit board, the upper surface mounting of casing has the apron, the inside of casing is equipped with installation mechanism, the upper surface of fixed plate is equipped with dust absorption mechanism;

the dust collection mechanism comprises a collection box fixed on the upper surface of a fixed plate, a second dust collection box is fixed on the right side of the collection box, the dust collection mechanism further comprises a first dust collection box fixed on the right side of an inner cavity of the shell, a connecting pipe is fixed between the first dust collection box and the second dust collection box, a plurality of first suction pipes are fixed on one opposite sides of the first dust collection box and the second dust collection box, a second suction pipe is fixed on the lower surface of the second dust collection box, a fan is fixed on the upper surface of the collection box, a third suction pipe is fixed at the input end of the fan, and an air outlet pipe penetrating through and extending to the outer portion of the shell is fixed at the output end of the fan.

Further, the suction hoods are fixed on the opposite sides of the left and right groups of the first suction pipes, the second suction pipes and the third suction pipes are L-shaped, and the left side of the second suction pipes is fixed on the right side of the collecting box.

Further, the lower surface of the third suction pipe is fixed on the upper surface of the collecting box, and a filter screen is fixed inside the third suction pipe.

Further, the installation mechanism is including being fixed in the motor of fixed plate lower surface, the output shaft of motor is fixed with first awl tooth, the installation mechanism still includes the threaded rod of rotating through the bearing frame between the left and right sides of casing inner chamber, the surface mounting of threaded rod has the second awl tooth that meshes with first awl tooth, the surface threaded connection of threaded rod has two movable blocks, the installation mechanism is still including being fixed in intermediate frequency power supply body lower surface and running through and extending to two bottom blocks of fixed plate below, the slide hole has been seted up in the left side of bottom block, two the opposite one side of movable block all is fixed with the card pole of sliding in the slide hole inside.

Further, the screw thread of threaded rod is two sections, and two sections screw thread opposite directions, intermediate frequency power supply body butt in the upper surface of fixed plate.

Further, two baffles are fixed on the lower surface of the fixed plate, and sliding rods are fixed on one sides of the two baffles, which are opposite to each other.

Further, the round hole has been seted up to the left side of movable block, the movable block passes through round hole sliding connection in the surface of slide bar.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this regulation protection device in intermediate frequency power supply, through the dust absorption mechanism who sets up, the fan work, inhale first dust box and second dust box with the dust through first straw, the dust in the first dust box can get into in the second dust box through the connecting pipe to in getting into the collecting box through the second straw, the dust stays in the collecting box under the effect of filter screen, the air can be discharged through third straw and play tuber pipe, can absorb the dust in the casing, prevent that the dust from influencing the normal work of intermediate frequency power supply body and circuit board.

2. This regulation protection device in intermediate frequency power supply, through the installation mechanism that sets up, the motor drives second awl tooth and threaded rod through first awl tooth and rotates altogether to drive two movable blocks and move in opposite directions, and make the card pole card go into the inside of slide opening, accomplish the installation, easy operation can install intermediate frequency power supply body in the inside of casing fast, improves the protection to intermediate frequency power supply body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a dust-absorbing mechanism according to the present utility model;

fig. 3 is a schematic structural view of the mounting mechanism of the present utility model.

In the figure: 1 casing, 2 fixed plates, 3 intermediate frequency power supply body, 4 apron, 5 dust absorption mechanism, 501 first suction box, 502 first straw, 503 connecting pipe, 504 second suction box, 505 third straw, 506 fan, 507 tuber pipe, 508 collecting box, 509 second straw, 6 installation mechanism, 601 motor, 602 first awl tooth, 603 threaded rod, 604 second awl tooth, 605 movable block, 606 bottom block, 607 slide hole, 608 clamping rod, 7 circuit boards.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, an adjusting and protecting device in an intermediate frequency power supply in this embodiment includes a housing 1 and an intermediate frequency power supply body 3, the intermediate frequency power supply body 3 is located inside the housing 1, a fixing plate 2 is fixed on an inner cavity wall of the housing 1, the intermediate frequency power supply body 3 is abutted to an upper surface of the fixing plate 2, the intermediate frequency power supply body 3 is protected by the housing 1, a circuit board 7 is fixed on an upper surface of the fixing plate 2, a cover plate 4 is mounted on an upper surface of the housing 1 for protecting the intermediate frequency power supply body 3, a mounting mechanism 6 is arranged inside the housing 1, the intermediate frequency power supply body 3 is conveniently mounted and dismounted, a dust suction mechanism 5 is arranged on an upper surface of the fixing plate 2 for absorbing dust in the housing 1, and the intermediate frequency power supply body 3 and the circuit board 7 are prevented from being affected.

Referring to fig. 2, in order to prevent dust from affecting the intermediate frequency power supply body 3, the dust collection mechanism 5 in this embodiment includes a collection box 508 fixed on the upper surface of the fixing plate 2 for collecting dust, a second dust collection box 504 is fixed on the right side of the collection box 508, the dust collection mechanism 5 further includes a first dust collection box 501 fixed on the right side of the inner cavity of the housing 1, a connection pipe 503 is fixed between the first dust collection box 501 and the second dust collection box 504, so that dust in the first dust collection box 501 enters into the second dust collection box 504, a plurality of first suction pipes 502 are fixed on opposite sides of the first dust collection box 501 and the second dust collection box 504, so that dust is conveniently absorbed, a second suction pipe 509 is fixed on the lower surface of the second dust collection box 504, a fan 506 is fixed on the upper surface of the collection box 508 for sucking dust, a third fan 505 is fixed on the input end of the fan 506 for sucking air inside the collection box 508, and an air outlet pipe 507 extending through the output end of the fan 506 to the housing 1 is fixed for discharging redundant air.

Wherein, the suction hoods are fixed on the opposite sides of the left and right groups of first suction pipes 502, the absorption area is increased, the second suction pipes 509 and the third suction pipes 505 are L-shaped, the left sides of the second suction pipes 509 are fixed on the right side of the collecting box 508, the second suction pipes 509 convey dust in the second dust collecting box 504 into the collecting box 508, the lower surface of the third suction pipes 505 are fixed on the upper surface of the collecting box 508, the filter screen is fixed in the third suction pipes 505, and the dust is prevented from entering the fan 506.

In the dust collection mechanism 5 in the embodiment, the fan 506 works to suck dust into the first dust collection box 501 and the second dust collection box 504 through the first suction pipe 502, the dust in the first dust collection box 501 enters the second dust collection box 504 through the connecting pipe 503 and enters the collection box 508 through the second suction pipe 509, the dust stays in the collection box 508 under the action of the filter screen, and the air is discharged through the third suction pipe 505 and the air outlet pipe 507.

Referring to fig. 3, in order to facilitate installation of the intermediate frequency power supply body 3, the installation mechanism 6 in this embodiment includes a motor 601 fixed on the lower surface of the fixed plate 2, a first bevel 602 is fixed on an output shaft of the motor 601, the installation mechanism 6 further includes a threaded rod 603 rotatably connected between the left and right sides of the inner cavity of the casing 1 through a bearing seat, the threaded rod 603 has two sections with opposite threads, a second bevel 604 meshed with the first bevel 602 is fixed on an outer surface of the threaded rod 603, the second bevel 604 and the threaded rod 603 are driven to rotate through the rotation of the first bevel 602, two moving blocks 605 are driven to move relatively or reversely simultaneously through the rotation of the threaded rod 603, the installation mechanism 6 further includes two bottom blocks 606 fixed on the lower surface of the intermediate frequency power supply body 3 and penetrating and extending to the lower side of the fixed plate 2, sliding holes 607 are provided on left sides of the bottom blocks 606, and clamping rods 608 sliding inside the sliding holes are fixed on opposite sides of the two moving blocks 605 for limiting 607 of the bottom blocks 606.

Wherein, fixed plate 2's lower surface is fixed with two baffles, and one side that two baffles are opposite to each other is all fixed with the slide bar, and the round hole has been seted up in the left side of movable block 605, and movable block 605 passes through round hole sliding connection in the surface of slide bar, increases the stability when movable block 605 removes, prevents that movable block 605 from following threaded rod 603 rotation.

In the installation mechanism 6 in this embodiment, the motor 601 drives the second bevel gear 604 and the threaded rod 603 to rotate together through the first bevel gear 602, and drives the two moving blocks 605 to move in opposite directions, and the clamping rod 608 is clamped into the sliding hole 607, so that the installation is completed.

The working principle of the embodiment is as follows:

(1) The fan 506 is started, the fan 506 works, dust in the shell 1 is sucked into the first dust suction box 501 and the second dust suction box 504 through the first suction pipe 502, dust entering the first dust suction box 501 enters the second dust suction box 504 through the connecting pipe 503, dust in the second dust suction box 504 enters the inside of the collecting box 508 through the second suction pipe 509, the dust stays in the inside of the collecting box 508 under the action of the filter screen, and air enters the inside of the fan 506 through the third suction pipe 505 and is discharged through the air outlet pipe 507.

(2) The bottom block 606 at the bottom of the medium-frequency power supply body 3 is inserted into the lower part of the fixed plate 2, the motor 601 is started, the motor 601 drives the first conical teeth 602 to rotate, the second conical teeth 604 are driven to rotate together in the process of the rotation of the first conical teeth 602, the second conical teeth 604 simultaneously drive the threaded rod 603 to rotate, as the threads at the two ends of the threaded rod 603 are opposite in direction, the threaded rod 603 can drive the two moving blocks 605 to move back to back, the moving blocks 605 can slide on the outer surface of the sliding rod, the stability of the moving blocks 605 in moving is improved, the clamping rods 608 are driven to move together when the moving blocks 605 move, the clamping rods 608 are driven to be clamped into the sliding holes 607, and the installation of the medium-frequency power supply body 3 is completed.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides an adjust protection device in intermediate frequency power, includes casing (1) and intermediate frequency power body (3), intermediate frequency power body (3) are located the inside of casing (1), its characterized in that: the dust collection device is characterized in that a fixing plate (2) is fixed on the inner cavity wall of the shell (1), a circuit board (7) is fixed on the upper surface of the fixing plate (2), a cover plate (4) is mounted on the upper surface of the shell (1), a mounting mechanism (6) is arranged in the shell (1), and a dust collection mechanism (5) is arranged on the upper surface of the fixing plate (2);

the dust absorption mechanism (5) is including being fixed in collecting box (508) of fixed plate (2) upper surface, the right side of collecting box (508) is fixed with second suction box (504), dust absorption mechanism (5) is still including being fixed in first suction box (501) on casing (1) inner chamber right side, be fixed with connecting pipe (503) between first suction box (501) and second suction box (504), one side that first suction box (501) and second suction box (504) are relative all is fixed with a plurality of first straws (502), the lower surface of second suction box (504) is fixed with second straw (509), the upper surface of collecting box (508) is fixed with fan (506), the input of fan (506) is fixed with third straw (505), the output of fan (506) is fixed with and runs through and extends to outside play tuber pipe (507) of casing (1).

2. The regulation protection device in an intermediate frequency power supply according to claim 1, wherein: the dust suction hoods are fixed on the opposite sides of the left and right groups of first suction pipes (502), the second suction pipes (509) and the third suction pipes (505) are L-shaped, and the left side of the second suction pipes (509) is fixed on the right side of the collecting box (508).

3. The regulation protection device in an intermediate frequency power supply according to claim 1, wherein: the lower surface of the third suction pipe (505) is fixed on the upper surface of the collecting box (508), and a filter screen is fixed inside the third suction pipe (505).

4. The regulation protection device in an intermediate frequency power supply according to claim 1, wherein: the utility model provides a mounting mechanism (6) is including being fixed in motor (601) of fixed plate (2) lower surface, the output shaft of motor (601) is fixed with first awl tooth (602), mounting mechanism (6) still including rotating threaded rod (603) of being connected between casing (1) inner chamber left and right sides through the bearing frame, the surface mounting of threaded rod (603) has second awl tooth (604) with first awl tooth (602) engaged with, the surface threaded connection of threaded rod (603) has two movable blocks (605), mounting mechanism (6) still include be fixed in intermediate frequency power supply body (3) lower surface and run through and extend to two bottom blocks (606) of fixed plate (2) below, slide hole (607) have been seted up in the left side of bottom block (606), two opposite one side of movable block (605) all is fixed with card pole (608) of sliding in slide hole (607) inside.

5. The apparatus of claim 4, wherein: the screw thread of threaded rod (603) is two sections, and two sections screw thread opposite directions, intermediate frequency power supply body (3) butt in the upper surface of fixed plate (2).

6. The apparatus of claim 4, wherein: two baffles are fixed on the lower surface of the fixed plate (2), and sliding rods are fixed on one sides of the two baffles, which are opposite to each other.

7. The apparatus of claim 6, wherein: the left side of movable block (605) has seted up the round hole, movable block (605) is connected in the surface of slide bar through round hole sliding.