CN213341988U

CN213341988U - Maintainable frequency converter

Info

Publication number: CN213341988U
Application number: CN202022449332.1U
Authority: CN
Inventors: 崔海现; 张斌; 刘国鹰
Original assignee: Jiaxing Dannahe Electronic Technology Co ltd
Current assignee: Jiaxing Dannahe Electronic Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-01
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a converter that can maintain relates to converter technical field. The utility model discloses a bottom plate, casing bottom seted up with the corresponding first breach of bottom plate, bottom plate one end is located first breach, and casing one side normal running fit has the revolving door, and revolving door one side is equipped with the backup pad, and the revolving door is close to backup pad one side and has seted up the ring channel. The utility model discloses a set up the first breach corresponding with the bottom plate in the casing bottom, bottom plate one end is located first breach, be convenient for demolish the casing, and then be convenient for maintain the converter, through being close to backup pad one side at the revolving door and having seted up the ring channel, the first notch with the ring channel intercommunication is seted up to the revolving door bottom, the side cover is equipped with the sealing strip in backup pad week, reduce the rainwater in the same direction as the crack probability that flows in the casing, and then strengthen converter internals's life, through at radiator unit, be convenient for guide casing internal steam gathering, be convenient for improve the radiating efficiency and the degree of consistency of dispelling the.

Description

Maintainable frequency converter

Technical Field

The utility model belongs to the technical field of the converter, especially, relate to a converter that can maintain.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor.

The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal I GBT, and provides the required power supply voltage according to the actual requirement of the motor, so that the aims of energy conservation and speed regulation are fulfilled. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.

When the existing frequency converter is maintained, the shell is not easy to disassemble, and some parts are inconvenient to adjust and maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a converter that can maintain, through set up the first breach corresponding with the bottom plate in the casing bottom, bottom plate one end is located first breach, be convenient for demolish the casing, and then be convenient for maintain the converter, through being close to backup pad one side at the revolving door and seted up the ring channel, the first notch with the ring channel intercommunication is seted up to the revolving door bottom, the side cover is equipped with the sealing strip all around the backup pad, reduce the rainwater in the same direction as the probability in the crack inflow casing, and then strengthen converter internals's life, through at radiator unit, be convenient for guide the interior steam gathering of casing, be convenient for improve the radiating efficiency and the degree of consistency of heat dissipation, the problem that exists among the above-mentioned prior.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a maintainable frequency converter comprises a bottom plate and a shell, wherein the bottom end of the shell is provided with a first notch corresponding to the bottom plate, one end of the bottom plate is positioned in the first notch, one side of the shell is rotatably matched with a revolving door, a supporting plate is arranged on one side of the revolving door, an annular groove is formed in one side of the revolving door close to the supporting plate, the bottom end of the revolving door is provided with a first notch communicated with the annular groove, and a sealing strip is sleeved on the periphery of the supporting plate;

the inner wall of the upper end of the shell is provided with a heat dissipation assembly, the heat dissipation assembly comprises a plate body, a spherical groove is formed in the bottom end of the plate body, second notches corresponding to the inner wall of the shell are formed in the periphery of the plate body, a cavity is formed in the plate body, a plurality of air holes communicated with the cavity are uniformly formed in the bottom end of the plate body, heat dissipation holes are formed in the upper end of the shell, the cavity is communicated with the heat dissipation holes.

Optionally, two first threaded holes are formed between the bottom end of the shell and the bottom plate, and threaded positioning rods are matched with the first threaded holes in an internal thread mode.

Optionally, an air inlet hole is formed in one side of the shell, the cross section of the air inlet hole is L-shaped, and one end of the air inlet hole is located above the bottom plate.

Optionally, the bottom plate is a quadrangular frustum pyramid structure, and the bottom end of the shell is higher than the bottom end of the bottom plate.

Optionally, the upper end of the shell is provided with a water retaining ring which is of a hollow round table structure, and the heat dissipation holes are formed in the water retaining ring.

Optionally, the upper end of the shell is provided with a water blocking block, the water blocking block is conical, and one end of the water blocking block is located in the water blocking ring.

Optionally, four support rods are arranged between the water retaining ring and the water retaining block, and the four support rods are arranged in a pairwise corresponding manner.

Optionally, the upper end of the water blocking block is provided with a water blocking plate, and the diameter of the water blocking plate is larger than that of the water blocking block.

Optionally, the outer side of the water retaining ring is tangent to the upper end sideline of the shell.

Optionally, a circular ring is arranged at the bottom end of the water baffle, the cross section of the circular ring is semicircular, and the outer side of the circular ring is attached to the outer side of the water baffle.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment is through seting up the first breach corresponding with the bottom plate in the casing bottom, bottom plate one end is located first breach, be convenient for demolish the casing, and then be convenient for maintain the converter, through being close to backup pad one side at the revolving door and having seted up the ring channel, the first notch with the ring channel intercommunication is seted up to the revolving door bottom, the side cover is equipped with the sealing strip around the backup pad, reduce the probability that the rainwater flowed into in the casing along the crack, and then strengthen converter internals's life, through at radiator unit, be convenient for guide the interior steam gathering of casing, be convenient for improve the radiating efficiency and the degree of consistency of dispelling the.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

fig. 3 is a cross-sectional view of a threaded positioning rod according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

the novel water-cooling fan comprises a bottom plate 1, a shell 2, a first notch 3, a revolving door 4, a supporting plate 5, an annular groove 6, a first notch 7, a sealing strip 8, a plate body 9, a spherical groove 10, a cavity 11, a heat dissipation hole 12, a fan 13, a thread positioning rod 14, an air inlet 15, a water retaining ring 16, a water retaining block 17, a supporting rod 18, a water retaining plate 19 and a circular ring 20.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1-3, in the present embodiment, a maintainable frequency converter is provided, including: the bottom plate comprises a bottom plate 1 and a shell 2, wherein a first notch 3 corresponding to the bottom plate 1 is formed in the bottom end of the shell 2, one end of the bottom plate 1 is positioned in the first notch 3, a revolving door 4 is rotatably matched on one side of the shell 2, a supporting plate 5 is arranged on one side of the revolving door 4, an annular groove 6 is formed in one side of the revolving door 4 close to the supporting plate 5, a first notch 7 communicated with the annular groove 6 is formed in the bottom end of the revolving door 4, and a sealing strip 8 is sleeved on the;

the inner wall of the upper end of the shell 2 is provided with a heat dissipation assembly, the heat dissipation assembly comprises a plate body 9, a spherical groove 10 is formed in the bottom end of the plate body 9, a second notch corresponding to the inner wall of the shell 2 is formed in the periphery of the plate body 9, a cavity 11 is formed in the plate body 9, a plurality of air holes communicated with the cavity 11 are uniformly formed in the bottom end of the plate body 9, a heat dissipation hole 12 is formed in the upper end of the shell 2, the cavity 11 is communicated with the heat dissipation hole 12.

The application of one aspect of the embodiment is as follows: during maintenance at ordinary times, the revolving door 4 can be opened for maintenance, if the view is not clear, the shell 2 is taken away, and when raining, rainwater flows downwards along the revolving door 4 and the shell 2, flows into the annular groove 6 and then flows out of the revolving door 4 through the first notch 7;

when heat is dissipated, the fan 13 is turned on, and hot air in the shell 2 is blown out of the shell 2 through the air holes, the cavity 11 and the fan 13. It should be noted that the fan 13 referred to in this application may be powered by a battery or an external power source.

Through set up the first breach 3 corresponding with bottom plate 1 in 2 bottoms of casing, 1 one end of bottom plate is located first breach 3, be convenient for demolish casing 2, and then be convenient for maintain the converter, through having seted up ring channel 6 near backup pad 5 one side at revolving door 4, the first notch 7 with ring channel 6 intercommunication is seted up to revolving door 4 bottom, 5 week side covers of backup pad are equipped with sealing strip 8, reduce the probability that the rainwater flowed into in casing 2 along the crack, and then strengthen converter internals's life, through at radiator unit, be convenient for guide casing 2 hot gas gathering, be convenient for improve the radiating efficiency and the heat dissipation degree of consistency.

Two first screw holes have been seted up between 2 bottoms of casing and the bottom plate 1 of this embodiment, and first screw hole thread fit has screw thread locating lever 14, is convenient for fixed casing 2 and bottom plate 1.

The inlet opening 15 has been seted up to casing 2 one side of this embodiment, and the inlet opening 15 cross-section is the L type, and inlet opening 15 one end is located bottom plate 1 top, is convenient for reduce the probability that the rainwater passes through inlet opening 15 and gets into in the casing 2.

The bottom plate 1 of this embodiment is four prismatic table structures, and 2 bottoms of casing are higher than 1 bottoms of bottom plate, are convenient for reduce the probability that the rainwater got into in the casing 2 through fresh air inlet 15.

The upper end of the housing 2 of this embodiment is provided with a water retaining ring 16, the water retaining ring 16 is a hollow circular truncated cone structure, and the heat dissipation holes 12 are located in the water retaining ring 16, so that rainwater can flow away along the outer side of the water retaining ring 16.

The water blocking block 17 is installed at the upper end of the shell 2 in the embodiment, the water blocking block 17 is conical, and one end of the water blocking block 17 is located in the water blocking ring 16, so that the probability that rainwater falls into the shell 2 is reduced conveniently.

Four support rods 18 are arranged between the water retaining ring 16 and the water retaining block 17, and the four support rods 18 are arranged correspondingly in pairs.

The upper end of the water blocking block 17 of the embodiment is provided with the water blocking plate 19, and the diameter of the water blocking plate 19 is larger than that of the water blocking block 17, so that the probability that rainwater falls into the shell 2 is reduced conveniently.

The outer side of the water retaining ring 16 of the embodiment is tangent to the upper end edge line of the shell 2.

The bottom end of the water baffle 19 of the embodiment is provided with the circular ring 20, the cross section of the circular ring 20 is semicircular, and the outer side of the circular ring 20 is attached to the outer side of the water baffle 19, so that the probability that rainwater on the water baffle 19 flows into the shell 2 along the surface of the water baffle 19 is reduced.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. A serviceable frequency converter, comprising: the sealing device comprises a bottom plate (1) and a shell (2), wherein a first notch (3) corresponding to the bottom plate (1) is formed in the bottom end of the shell (2), one end of the bottom plate (1) is located in the first notch (3), a revolving door (4) is rotatably matched on one side of the shell (2), a supporting plate (5) is arranged on one side of the revolving door (4), an annular groove (6) is formed in one side, close to the supporting plate (5), of the revolving door (4), a first notch (7) communicated with the annular groove (6) is formed in the bottom end of the revolving door (4), and sealing strips (8) are sleeved on the periphery;

the inner wall of the upper end of the shell (2) is provided with a heat dissipation assembly, the heat dissipation assembly comprises a plate body (9), a spherical groove (10) is formed in the bottom end of the plate body (9), a second notch corresponding to the inner wall of the shell (2) is formed in the peripheral side of the plate body (9), a cavity (11) is formed in the plate body (9), a plurality of air holes communicated with the cavity (11) are uniformly formed in the bottom end of the plate body (9), heat dissipation holes (12) are formed in the upper end of the shell (2), the cavity (11) is communicated with the heat dissipation holes (12), and fans (13).

2. A serviceable frequency converter according to claim 1, characterized in that two first threaded holes are provided between the bottom end of the housing (2) and the bottom plate (1), the first threaded holes being internally threaded with threaded positioning rods (14).

3. A serviceable frequency converter according to claim 2, wherein the housing (2) has an air inlet opening (15) formed in one side thereof, the air inlet opening (15) having an L-shaped cross-section, one end of the air inlet opening (15) being positioned above the base plate (1).

4. A serviceable frequency converter according to claim 3, characterized in that the bottom plate (1) is of rectangular-pyramid configuration, the bottom end of the housing (2) being higher than the bottom end of the bottom plate (1).

5. A serviceable frequency converter according to claim 4, wherein the housing (2) has a water retaining ring (16) mounted at an upper end thereof, the water retaining ring (16) is of a hollow circular truncated cone structure, and the heat dissipating holes (12) are formed in the water retaining ring (16).

6. A serviceable frequency converter according to claim 5, characterized in that the housing (2) is provided at its upper end with a water deflector (17), the water deflector (17) being conical and one end of the water deflector (17) being located in the water deflector ring (16).

7. A serviceable frequency converter according to claim 6, characterized in that four support rods (18) are provided between the water deflector ring (16) and the water deflector block (17), and the four support rods (18) are arranged in pairs.

8. A serviceable frequency converter according to claim 7, characterized in that the water deflector (19) is arranged at the upper end of the water deflector (17), and the diameter of the water deflector (19) is greater than the diameter of the water deflector (17).

9. A serviceable frequency converter according to claim 8, characterized in that the outer side of the water deflector ring (16) is tangent to the upper end edge of the housing (2).

10. A serviceable frequency converter according to claim 9, characterized in that the bottom of the splash plate (19) is provided with a ring (20), and the ring (20) has a semicircular cross-section, and the outer side of the ring (20) is attached to the outer side of the splash plate (19).