CN220775641U

CN220775641U - Full-sealed frequency converter shell structure

Info

Publication number: CN220775641U
Application number: CN202322520024.7U
Authority: CN
Inventors: 包宇明
Original assignee: Wuxi MFar Automation Industry Co ltd
Current assignee: Wuxi MFar Automation Industry Co ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-04-12
Anticipated expiration: 2033-09-15

Abstract

The utility model discloses a full-sealed frequency converter shell structure, which comprises a box body and an upper cover, wherein a sealing chamber for accommodating electronic components is arranged in the box body; the upper cover is matched with the box body and seals the sealing chamber, the periphery of the upper cover is provided with bulges extending towards the box body, the bulges are attached to the outer wall of the box body, and the upper cover and the mounting plate are fixedly sealed through sponge rubber strips; according to the frequency converter keyboard, the separation cavity is adopted, the upper cover is matched with the box body to seal the separation cavity, meanwhile, the cable hole is sealed through the cable connector, the terminal groove is sealed through the glass cement, the tightness of the sealing chamber is further improved, and heat generated by the operation of electronic components in the sealing chamber can be dissipated to the outside air through the arrangement of the heat dissipation chamber, the fan and the grille, so that the overhigh temperature in the sealing chamber is avoided.

Description

Full-sealed frequency converter shell structure

Technical Field

The utility model relates to the technology of frequency converters, in particular to a full-sealed frequency converter shell structure.

Background

A frequency converter, also known as a variable frequency drive or drive controller, may be interpreted as an Inverter (in the same english language as an Inverter). The frequency converter is one of speed-adjustable driving systems, and is an alternating current/alternating current converter which uses a frequency-variable driving technology to change the frequency and the amplitude of the working voltage of an alternating current motor so as to smoothly control the speed and the torque of the alternating current motor, and most commonly, the input and the output are both alternating current;

the sealing performance of the existing frequency converter shell is poor, but a large number of electronic components can be arranged in the frequency converter, so that the frequency converter is extremely sensitive to substances which are easy to cause short circuit of the electronic components, such as water, oil and dust in the use environment, and therefore, the existing frequency converter is required to be independently provided with a sealing structure for sealing protection in the use environment, and time and labor are wasted.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a full-sealed frequency converter shell structure which has strong sealing performance and can adapt to severe use environments.

In order to achieve the technical purpose, the utility model adopts the following technical scheme: the utility model provides a totally enclosed converter shell structure, includes box and upper cover, is equipped with the sealed chamber that holds electronic components in the box, is equipped with the compartment between sealed chamber and the box outer wall, is fixed with the mounting panel on the compartment, and the box bottom is equipped with the bottom plate, is equipped with the cable hole and the terminal groove of installation binding post that are convenient for the cable to pass on the bottom plate, is equipped with sealed cable coupling between cable and the cable hole, all is equipped with seal assembly between terminal groove and the binding post; the upper cover is matched with the box body and seals the sealing chamber, the periphery of the upper cover is provided with a bulge extending towards the box body, the bulge is attached to the outer wall of the box body, and the upper cover and the mounting plate are fixedly sealed through a sponge adhesive tape.

Preferably, the sealing assembly comprises a glass frit.

Preferably, the top of the box body is fixed with an upper supporting plate, and hanging holes are formed in two sides of the upper supporting plate.

Preferably, the bottom of the box body is fixed with a lower supporting plate, and both sides of the lower supporting plate are provided with limit grooves.

Preferably, the upper cover is provided with a plurality of through holes, the mounting plate is provided with bolt holes matched with the through holes, the bolt holes and the through holes are in threaded fit with fastening bolts, and the mounting plate and the upper cover are fixed through the fastening bolts.

Preferably, the side wall of the sealing chamber is provided with a locating piece and a fixing seat, and the locating piece and the fixing seat are used for fixing the electronic components.

Preferably, the upper cover is provided with a keyboard.

Preferably, a heat dissipation chamber is further arranged in the box body, the heat dissipation chamber is located on one side of the sealing chamber relative to the upper cover, and the heat dissipation chamber is separated from the sealing chamber through a partition plate.

Preferably, the top and the bottom of the heat dissipation chamber are both provided with grids, and the bottom of the heat dissipation chamber is provided with a fan.

Preferably, the grids are provided with dustproof filter screens.

In summary, the present utility model achieves the following technical effects:

1. according to the full-sealed frequency converter shell structure, the sealing chamber is sealed by adopting the separation chamber and matching the upper cover and the box body through the sponge rubber strip, meanwhile, the cable hole is sealed through the cable pipe joint, the terminal groove is sealed through the glass cement, and the tightness of the sealing chamber is further improved.

2. According to the full-sealed frequency converter shell structure, through the arrangement of the heat dissipation chamber, the fan and the grille, heat generated by the operation of electronic components in the sealed chamber can be dissipated into the outside air, and the temperature in the sealed chamber is prevented from being too high.

Drawings

FIG. 1 is a schematic diagram of the structure of a case of the fully sealed inverter housing structure of the present utility model;

FIG. 2 is a side view of the case of the hermetically sealed inverter enclosure structure of the present utility model;

FIG. 3 is a schematic view of the structure of the bottom plate of the hermetically sealed inverter enclosure structure of the present utility model;

FIG. 4 is a schematic view of the structure of the upper cover of the hermetically sealed inverter casing structure of the present utility model;

description of the specification reference numerals: 1. a sealed chamber; 2. a compartment; 3. a bottom plate; 4. an upper support plate; 5. a lower support plate; 6. a hanging hole; 7. a limit groove; 8. bolt holes; 9. a positioning sheet; 10. a fixing seat; 11. a heat dissipation chamber; 12. a partition plate; 13. a cable hole; 14. a terminal groove; 15. a grille; 16. a fan; 17. an upper cover; 18. a through hole; 19. and a keyboard.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Embodiment one:

as shown in fig. 1 and 4, a full-sealed frequency converter shell structure comprises a box body and an upper cover 17, wherein a sealing chamber 1 for accommodating electronic components is arranged in the box body, a separation chamber 2 is arranged between the sealing chamber 1 and the outer wall of the box body, a mounting plate is fixed on the separation chamber 2, a bottom plate 3 is arranged at the bottom of the box body, a cable hole 13 for facilitating a cable to pass through and a terminal slot 14 for mounting a wiring terminal are arranged on the bottom plate 3, a sealed cable pipe joint is arranged between the cable and the cable hole 13, glass cement is coated between the terminal slot 14 and the wiring terminal, the upper cover 17 is matched with the box body and seals the sealing chamber 1, bulges extending towards the box body are arranged around the upper cover 17, the bulges are attached to the outer wall of the box body, and the upper cover 17 and the mounting plate are fixedly sealed through sponge rubber strips; the upper cover 17 is provided with a keyboard 19 for controlling the operation of the electronic components.

The sealed cable pipe joint can seal a gap between the cable and the cable hole 13 by screwing the cable after penetrating into the cable hole 13, and glass cement is coated between the bulge and the outer wall of the box body, so that the tightness of the sealing chamber 1 is further improved.

In order to facilitate the hanging or placing of the box body, an upper supporting plate 4 is fixed at the top of the box body, and hanging holes 6 are arranged at two sides of the upper supporting plate 4; the bottom of the box body is fixed with a lower supporting plate 5, and limiting grooves 7 are formed in two sides of the lower supporting plate 5.

In order to improve the fastness that upper cover 17 and box equipment are fixed, make upper cover 17 and box compress tightly the sponge adhesive tape simultaneously, avoid appearing the space to promote sealed chamber 1 airtight, be equipped with a plurality of through-holes 18 on the upper cover 17, be equipped with on the mounting panel with through-hole 18 complex bolt hole 8, screw-thread fit has fastening bolt on bolt hole 8 and the through-hole 18, mounting panel and upper cover 17 are fixed through fastening bolt.

The side wall of the sealing chamber 1 is provided with a locating piece 9 and a fixing seat 10, and the locating piece 9 and the fixing seat 10 are used for fixing electronic components.

As shown in fig. 2-3, a heat dissipation chamber 11 is further provided in the case, the heat dissipation chamber 11 is located at one side of the sealing chamber 1 opposite to the upper cover 17, and the heat dissipation chamber 11 is separated from the sealing chamber 1 by a partition 12.

In order to facilitate the external cold air to enter the heat dissipation chamber 11 and the hot air in the heat dissipation chamber 11 to be discharged, the top and the bottom of the heat dissipation chamber 11 are provided with grids 15, and the bottom in the heat dissipation chamber 11 is provided with a fan 16; wherein, a plurality of fins are arranged on one side of the baffle 12 facing the heat dissipation chamber 11, and heat conduction silicone grease is coated between the baffle 12 and the electronic components in the sealing chamber 1, so that heat generated by the electronic components in the sealing chamber 1 is quickly conducted into the heat dissipation chamber 11, and the heat is dissipated through air cooling.

In order to prevent dust from accumulating in the heat dissipation chamber 11 and blocking the heat dissipation chamber 11, the heat dissipation efficiency of the heat dissipation chamber 11 is affected, and the grids 15 are all provided with dustproof filter screens.

The full-sealed transducer shell structure of this embodiment adopts and separates chamber 2 and cooperates between upper cover 17 and the box through the sponge adhesive tape seal, realizes that seal chamber 1 is airtight, and cable hole 13 passes through the cable union joint to be sealed simultaneously, carries out the space seal through the glass cement on the terminal groove 14, further promotes seal chamber 1's seal, and through the setting of heat dissipation room 11, fan 16 and grid 15, can distribute the heat that the work of the interior electronic components of seal chamber 1 produced to outside air in addition, avoids seal chamber 1 internal temperature too high.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical solutions of the present utility model.

Claims

1. A full-sealed frequency converter shell structure is characterized by comprising

The box body is internally provided with a sealing chamber for accommodating electronic components, a separation chamber is arranged between the sealing chamber and the outer wall of the box body, a mounting plate is fixed on the separation chamber, the bottom of the box body is provided with a bottom plate, a cable hole convenient for a cable to pass through and a terminal groove for mounting a wiring terminal are arranged on the bottom plate, a sealing type cable pipe joint is arranged between the cable and the cable hole, and a sealing component is arranged between the terminal groove and the wiring terminal;

the upper cover is matched with the box body and seals the sealing chamber tightly, the periphery of the upper cover is provided with bulges extending towards the box body, the bulges are attached to the outer wall of the box body, and the upper cover and the mounting plate are fixedly sealed through sponge rubber strips.

2. The hermetically sealed converter construction of claim 1 wherein the seal assembly comprises a glass frit.

3. The full-sealed frequency converter shell structure according to claim 1, wherein an upper supporting plate is fixed on the top of the box body, and hanging holes are formed in two sides of the upper supporting plate.

4. The full-sealed frequency converter shell structure according to claim 1, wherein a lower supporting plate is fixed at the bottom of the box body, and limiting grooves are formed in two sides of the lower supporting plate.

5. The full-sealed frequency converter shell structure according to claim 1, wherein the upper cover is provided with a plurality of through holes, the mounting plate is provided with bolt holes matched with the through holes, the bolt holes and the through holes are in threaded fit with fastening bolts, and the mounting plate and the upper cover are fixed through the fastening bolts.

6. The fully sealed inverter casing structure of claim 1, wherein a positioning piece and a fixing seat are arranged on the side wall of the sealing chamber, and the positioning piece and the fixing seat are used for fixing electronic components.

7. The hermetically sealed inverter casing structure of claim 1, wherein the upper cover is provided with a keypad.

8. The fully sealed inverter enclosure structure of claim 1, wherein a heat dissipation chamber is further provided in the case, the heat dissipation chamber being located at a side of the sealing chamber opposite to the upper cover, the heat dissipation chamber being separated from the sealing chamber by a partition.

9. The hermetically sealed inverter enclosure structure of claim 8, wherein the top and bottom of the heat dissipation chamber are provided with grilles and the bottom of the heat dissipation chamber is provided with a fan.

10. The fully sealed inverter casing structure of claim 9, wherein the gratings are each provided with a dust-proof filter.