CN213426048U

CN213426048U - Converter installation cabinet

Info

Publication number: CN213426048U
Application number: CN202022549672.1U
Authority: CN
Inventors: 王文斌; 王尊方
Original assignee: Qingdao CCS Electric Corp
Current assignee: Qingdao CCS Electric Corp
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-06-11
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a frequency converter mounting cabinet, which comprises a protective cover and a fixing part; the protective cover is a box body, and a mounting frame for mounting the frequency converter is fixedly arranged in the protective cover; the frequency converter is fixedly arranged on the mounting rack; the fixing piece is a box body which is provided with a first opening above and a switch door above the opening, and is matched with the protective cover in an installing way; the protective cover is arranged in the fixed piece; the fixing piece is fixedly arranged in the electric appliance cabinet or is independently and fixedly arranged indoors or outdoors. The utility model discloses set up safety cover, the mounting of separation. When the protective cover is disassembled, cleaned, maintained or replaced, the protective cover is directly taken out from the fixing piece. The frequency converter is disassembled, cleaned, maintained or replaced in the protective cover without position limitation, so that the operation is more convenient, the disassembling efficiency is improved, and the maintaining efficiency is improved; in addition, the frequency for cleaning the frequency converter is conveniently improved, and the service life of the frequency converter is prolonged.

Description

Converter installation cabinet

Technical Field

The utility model belongs to the technical field of the converter cabinet body, specifically speaking relates to a converter installation cabinet.

Background

The frequency converter is a control device which applies a frequency conversion technology and a microelectronic technology and controls the electric power of an alternating current motor by changing the frequency of a working power supply of the motor. Frequency converters are widely used in various fields. The general frequency converters are all arranged in the control cabinet. Due to the requirement of heat dissipation, the control cabinet needs to be a semi-open or full-open cabinet body. The frequency converter is installed in the control cabinet in an exposed mode, and no protective measures are provided, so that the wiring terminal and the body of the frequency converter are exposed outside for a long time, the influence of dust in the control cabinet and the influence of heat generated by the work of other electrical components in the control cabinet are easily caused, the heat dissipation of the frequency converter is poor, and the frequency converter is damaged.

Solve above-mentioned problem through setting up the safety cover among the prior art, nevertheless when the converter is worked a telephone switchboard or is maintained, need dismantle the safety cover and get off, accomplish and work a telephone switchboard or maintain the back and install again and go, this process is loaded down with trivial details, wastes time and energy, and frequent dismantlement all causes the damage to safety cover and switch board moreover.

Disclosure of Invention

The utility model provides a converter installation cabinet sets up safety cover and mounting through the components of a whole that can function independently, and safety cover and mounting make things convenient for dismantlement, cleanness and the maintenance of converter through placing installation fixed connection, improve maintenance efficiency and the life-span of extension converter.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a frequency converter mounting cabinet comprises a protective cover and a fixing piece;

the protective cover is a box body; a mounting rack for mounting the frequency converter is fixedly arranged in the protective cover; the frequency converter is fixedly arranged on the mounting rack;

the fixing piece is a box body, a first opening is formed in the upper portion of the fixing piece, a door is arranged above the opening, and the fixing piece is matched with the protection cover in an installing mode; the protective cover is arranged in the fixed piece; the fixing piece is fixedly arranged in the electric appliance cabinet or is independently arranged indoors or outdoors.

In one embodiment, the mounting rack comprises a plurality of limiting rods, at least one fixed connecting piece and at least one sliding connecting piece; each limiting rod tends to be vertically and parallelly fixedly arranged in the protective cover;

each fixed connecting piece is fixedly connected with each limiting rod;

each sliding connecting piece can slide up and down along each limiting rod;

the frequency converter is respectively and fixedly connected with each fixed connecting piece and each sliding connecting piece.

In one embodiment, the number of the limiting rods is two; the number of the fixed connecting pieces is one; the number of the sliding connecting pieces is one;

the fixed connecting piece is positioned at the lower end of each limiting rod;

each sliding connecting piece is provided with a through hole which is matched with each limiting rod in a sliding connection mode and is sleeved on each limiting rod;

the frequency converter is located on the same side of the fixed connecting piece and the sliding connecting piece.

In one embodiment, the dehumidifier box is fixedly arranged in the protective cover.

In one embodiment, the device further comprises a filter screen and a cooling fan; the side walls opposite to the protective cover are respectively a first side wall and a second side wall; the first side wall and the second side wall are respectively provided with a vent and a heat dissipation opening; the filter screen is detachably and fixedly arranged on the ventilation opening; the heat radiation fan is fixedly arranged on the heat radiation port.

In one embodiment, the device further comprises a heat radiation fan; the side walls opposite to the protective cover are respectively a first side wall and a second side wall; the first side wall is of a filter screen structure and is of a door opening and closing structure; a heat dissipation port is formed in the second side wall; the heat radiation fan is installed on the heat radiation port.

In one embodiment, the frequency converter is installed on one side of the fixed connecting piece and the sliding connecting piece, and the second side wall is located on the other side of the fixed connecting piece and the sliding connecting piece; each limiting rod is fixedly connected with the second side wall.

In some embodiments, a torsion spring is further included;

the fixing piece is a square box body with a second opening arranged on one side; the filter screen corresponds to the second opening;

the switch door is rotatably connected with the upper end of the second side wall; and the torsion spring is respectively connected with the switch door and the upper end of the second side wall.

In some embodiments, the elastic substance interlayer is installed and matched with the inner wall of the fixing piece and is fixedly installed in the fixing piece.

In some embodiments, a limit part is disposed on one side of the switch door corresponding to the first side wall; when the switch door is closed, the limiting piece is positioned on the outer side of the upper end of the first side wall.

Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model discloses a converter installation cabinet sets up safety cover, mounting of separation. During installation, the fixing piece is fixedly installed in the electric appliance cabinet or is separately and fixedly installed indoors or outdoors, and the protective cover is placed and installed in the fixing piece. When the protective cover is disassembled, cleaned, maintained or replaced, the protective cover is directly taken out from the fixing piece. The frequency converter is disassembled, cleaned, maintained or replaced in the protective cover without position limitation, so that the operation is more convenient, the disassembling efficiency is improved, and the maintaining efficiency is improved; in addition, the frequency for cleaning the frequency converter is conveniently improved, and the service life of the frequency converter is prolonged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a structural sectional view of an embodiment of a frequency converter mounting cabinet according to the present invention;

FIG. 2 is a schematic view of the protective cover and the internal structure;

FIG. 3 is a longitudinal sectional view of the fixing member and the opening and closing door coupling structure;

fig. 4 is a sectional view of another embodiment of the frequency converter mounting cabinet of the present invention.

In the figure, the position of the upper end of the main shaft,

1. a fixing member; 2. a protective cover; 3. opening and closing the door; 4. a mounting frame; 5. an elastomeric barrier layer; 6. a dehumidification box; 7. a torsion spring; 8. a heat radiation fan; 11. a first opening; 12. a second opening; 13. an auxiliary vent; 121. a limiting edge; 21. a first side wall; 22. a second side wall; 221. a heat dissipation port; 31. a limiting member; 41. a limiting rod; 42. fixing the connecting piece; 43. a sliding connection.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1, 2, 3 and 4, the utility model discloses a converter mounting cabinet includes mounting 1, safety cover 2.

The protective cover 2 is a box body, and a mounting rack 4 for mounting a frequency converter is fixedly arranged in the protective cover 2; the frequency converter is fixedly arranged on the mounting frame 4.

The fixing piece 1 is a box body which is provided with a first opening 11 at the upper part and a switch door 3 on the first opening 11, and is installed and matched with the protective cover 2; the protective cover 2 is arranged in the fixed part 1; the fixing part 1 is fixedly arranged in the electric appliance cabinet or is separately and fixedly arranged indoors or outdoors.

The utility model discloses a converter installation cabinet sets up safety cover 2, mounting 1 of separation. During installation, the fixing piece 1 is fixedly installed in the electric appliance cabinet or is separately and fixedly installed indoors or outdoors, and the protection cover 2 is placed and installed in the fixing piece 1. When the frequency converter is disassembled, cleaned, maintained or replaced, the protective cover 2 is directly taken out of the fixing piece 1, and the frequency converter is disassembled, cleaned, maintained or replaced in the protective cover 2 without position limitation, so that the operation is more convenient, the disassembling efficiency is improved, and the maintaining efficiency is improved; in addition, the frequency of cleaning the frequency converter can be conveniently improved, and the service life of the frequency converter is prolonged.

The following is a detailed description of the specific structure and principle of the frequency converter mounting cabinet according to the present invention through specific embodiments.

In an embodiment, referring to fig. 1, 2, 3 and 4, the mounting frame 4 includes a plurality of position-limiting rods 41, at least one fixed connector 42 and at least one sliding connector 43.

Each stopper rod 41 tends to be vertically and parallelly fixedly arranged in the protective cover 2. Each fixed connecting piece 42 is fixedly connected with each limiting rod 41; each sliding connector 43 is connected with each limiting rod 41 in a vertically sliding manner. The frequency converter is positioned on the same side of each fixed connecting piece 42 and each sliding connecting piece 43 and is fixedly connected with each fixed connecting piece 42 and each sliding connecting piece 43.

Each sliding connection piece 43 of this embodiment is used for adjusting according to the converter slide of different specifications, cooperates the same fixed connection piece 42 or different fixed connection pieces 42 in order to adapt to the size of the converter of different specifications, improves the adaptability of converter installation cabinet.

In an embodiment, referring to fig. 1, 2 and 4, two limiting rods 41 are provided; the fixed connecting piece 42 is one; the sliding connector 43 is one.

The fixed connecting piece 42 is fixedly connected with the lower end of each limiting rod 41. Each stop rod 41 is preferably a cylindrical rod-like structure; a through hole which is matched with the limiting rod 41 in a sliding connection way is formed in the sliding connecting piece 43; the through holes of the sliding connectors 43 are respectively sleeved on the limiting rods 41, so that the sliding connectors 43 can slide up and down along the limiting rods 41.

This embodiment accessible makes converter and fixed connector 42 fixed connection at first, then adjusts sliding connection 43 and converter fixed connection, makes converter fixed mounting on mounting bracket 4, and the installation effectiveness is higher, and adaptability is wide.

In one embodiment, referring to fig. 1, 2 and 4, the protection cover 2 is a square box body, which includes a first side wall 21 and a second side wall 22; the first side wall 21 is opposite to the second side wall 22; the first side wall 21 and the second side wall 22 are provided with a vent hole and a heat dissipation hole 221, respectively.

The present embodiment further includes a heat dissipation fan 8 installed on the heat dissipation opening 221, which enhances air convection between the ventilation opening and the heat dissipation opening 221 during operation, and dissipates heat from the frequency converter located in the protection cover 2.

Preferably, still include the filter screen, it can dismantle fixed the setting on the vent, and be used as the air intake, filters the convection current air that gets into safety cover 2, reduces the dust that gets into safety cover 2, the protection converter.

Preferably, the first side wall 21 is configured as a filter screen structure and is configured as a door opening and closing type, so as to facilitate operation of the frequency converter inside the protection cover 2.

In one example, referring to fig. 1, 2 and 4, each stopper rod 41 is fixedly connected to the second side wall 22, and a bend provided at an upper end of each stopper rod 41 and directed toward the second side wall 22 is fixedly connected to the second side wall 22.

Preferably, the fixing connector 42 is fixedly connected to the second sidewall 22, so that the mounting bracket 4 is more stably connected to the protection cover 2.

Accordingly, an auxiliary vent 13 for causing the vent to form a convection with the heat sink 221 is provided on the side wall of the fixing member 1 corresponding to the second side wall 22.

In an embodiment, referring to fig. 1, 2 and 4, the apparatus further includes a dehumidifying box 6 fixedly disposed in the protecting cover 2, for dehumidifying air in the protecting cover 2, so as to ensure the humidity of the operating environment of the frequency converter and prolong the service life of the frequency converter.

In some embodiments, referring to fig. 1, 3 and 4, the fixing member 1 is a square box body fitted with the protection cover 2; and correspondingly, a second opening 12 is formed on the side wall corresponding to the first side wall 21, so that the ventilation opening and the heat dissipation opening 221 form convection.

Preferably, the second opening 12 is an opening structure with an upper end communicated with the first opening 11, so that the protection cover 2 can be conveniently placed and installed in the fixing member 1; the lower end of the second opening 12 is provided with an upward limiting edge 121 for limiting the protection cover 2 placed in the fixing member 1.

In an embodiment, referring to fig. 1, 3 and 4, an elastic material isolation layer 5 is further included, which is installed to fit with the inner wall of the fixing member 1 and is fixedly installed on the inner wall of the fixing member 1. When the protective cover 2 is placed and installed in the fixing part 1, the collision and friction between the inner wall of the fixing part 1 and the protective cover 2 are prevented, and the vibration is reduced when the frequency converter operates, so that the frequency converter is protected.

Preferably, the elastomeric barrier layer 5 is a rubber barrier layer.

In some embodiments, referring to fig. 1, 3 and 4, the switch door 3 is rotatably coupled to the upper end of the second sidewall 22; a limiting piece 31 extending downwards is arranged on one side of the switch door 3 corresponding to the first side wall 21; when the opening/closing door 3 is in the closed state, the stopper 31 is located outside the upper end of the first side wall 21, and restricts the upper end of the protective cover 2.

Preferably, the limiting member 31 is a downward folded structure disposed at a side of the opening/closing door 3 corresponding to the first side wall 21.

In some embodiments, referring to fig. 4, if the fixing member 1 is separately fixedly disposed outdoors, the size of the opening and closing door 3 is larger than the size of the bottom of the fixing member 1, for shielding the fixing member 1 from rain and snow.

Preferably, the end of the switch door 3 corresponding to the first side wall 21 and the second side wall 22 is provided with a downward and outward folded edge structure for shielding the fixing member 1 from rain and snow.

In some embodiments, referring to fig. 1, 3 and 4, a torsion spring 7 is further included, and is respectively connected to an upper end of the second side wall 22 and an end of the switch door 3 corresponding to the second side wall 22. The switch door 3 has the torque that makes the switch door 3 have the trend of closing when closing and opening, makes the switch door 3 can not opened easily, perhaps forgets to close, protects the converter.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A frequency converter mounting cabinet, comprising:

the fixing piece is a box body, a first opening is formed in the upper portion of the box body, a door is arranged above the opening, and the fixing piece is matched with the protection cover in an installing mode; the protective cover is arranged in the fixed piece; the fixing piece is fixedly arranged in the electric appliance cabinet or is independently arranged indoors or outdoors.

2. The frequency converter mounting cabinet of claim 1, wherein the mounting bracket comprises a plurality of stop bars, at least one fixed connector, at least one sliding connector; each limiting rod tends to be vertically and parallelly fixedly arranged in the protective cover;

each fixed connecting piece is fixedly connected with each limiting rod;

each sliding connecting piece can slide up and down along each limiting rod;

3. The frequency converter mounting cabinet of claim 2, wherein the number of the limiting rods is two; the number of the fixed connecting pieces is one; the number of the sliding connecting pieces is one;

the fixed connecting piece is positioned at the lower end of each limiting rod;

4. The inverter mounting cabinet of claim 1, further comprising a moisture removal cartridge fixedly disposed within the protective enclosure.

5. The frequency converter mounting cabinet according to claim 3, further comprising a filter screen, a heat radiation fan; the side walls opposite to the protective cover are respectively a first side wall and a second side wall; the first side wall and the second side wall are respectively provided with a vent and a heat dissipation opening; the filter screen is detachably and fixedly arranged on the ventilation opening; the heat radiation fan is fixedly arranged on the heat radiation port.

6. The inverter mounting cabinet of claim 3, further comprising a heat dissipating fan; the side walls opposite to the protective cover are respectively a first side wall and a second side wall; the first side wall is of a filter screen structure and is of a door opening and closing structure; a heat dissipation port is formed in the second side wall; the heat radiation fan is installed on the heat radiation port.

7. The inverter mounting cabinet of claim 6, wherein the inverter is mounted on one side of the fixed connector and the sliding connector, and the second side wall is located on the other side of the fixed connector and the sliding connector; each limiting rod is fixedly connected with the second side wall.

8. A frequency converter mounting cabinet according to any one of claims 5 to 7, further comprising a torsion spring;

9. The frequency converter mounting cabinet of claim 8, further comprising an elastomeric barrier mounted in fit with and fixedly mounted within the fixture.

10. The inverter mounting cabinet according to claim 8, wherein a limiting member is disposed on a side of the switch door corresponding to the first side wall; when the switch door is closed, the limiting piece is positioned on the outer side of the upper end of the first side wall.