CN214960705U - Explosion-proof shell for frequency converter - Google Patents
Explosion-proof shell for frequency converter Download PDFInfo
- Publication number
- CN214960705U CN214960705U CN202120986069.1U CN202120986069U CN214960705U CN 214960705 U CN214960705 U CN 214960705U CN 202120986069 U CN202120986069 U CN 202120986069U CN 214960705 U CN214960705 U CN 214960705U
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- China
- Prior art keywords
- explosion
- proof
- heat dissipation
- shell body
- converter
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- Expired - Fee Related
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Abstract
The utility model discloses an explosion-proof shell for converter, including explosion-proof housing body, demountable installation at the explosion-proof top cap of explosion-proof housing body top surface and install the explosion-proof steel sheet inside casing in explosion-proof housing body inner chamber, the side symmetry of explosion-proof housing body is provided with the wiring sleeve pipe that is used for the connecting cable, is provided with the heat dissipation net bars that are used for ventilating heat dissipation between two wiring sleeve pipes and on being located the side of explosion-proof housing body, the explosion-proof steel sheet inside casing is hugged closely and is installed on the inner chamber lateral wall of explosion-proof housing body, a side cutting process of explosion-proof steel sheet inside casing towards the heat dissipation net bars has the installation to lead to the groove, is provided with the explosion-proof subassembly that is used for converter overload protection in the installation to lead to the inslot, the top surface of explosion-proof top cap is provided with radiator unit. This explosion-proof shell for converter not only is convenient for consolidate the casing, and has the overload protection effect of converter, improves the explosion-proof performance of converter casing.
Description
Technical Field
The utility model belongs to the technical field of the converter, concretely relates to explosion-proof housing for converter.
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, a filtering unit, an inverting unit, a braking unit, a driving unit, a detecting 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 the internal IGBT, and provides the required power supply voltage according to the actual requirement of the motor, thereby achieving the purposes of energy conservation and speed regulation.
The ordinary metal casing of generally adopting when the converter on the market installs now, because this kind of casing lacks explosion-proof structure, lead to the converter can produce a large amount of heats when the operation, this heat if not in time exhaust can influence the life of converter and electric elements on every side, and can take place the short circuit under the long-time condition of operation of converter of transshipping use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof shell for converter 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:
the utility model provides an explosion-proof shell for converter, includes explosion-proof shell body, demountable installation at the explosion-proof top cap of explosion-proof shell body top surface and installs the explosion-proof steel sheet inside casing in explosion-proof shell body inner chamber, the side symmetry of explosion-proof shell body is provided with the wiring sleeve pipe that is used for the connecting cable, is provided with the heat dissipation net bars that are used for ventilation cooling between two wiring sleeve pipes and is located the side of explosion-proof shell body, the explosion-proof steel sheet inside casing is hugged closely and is installed on the inner chamber lateral wall of explosion-proof shell body, the side cutting processing of explosion-proof steel sheet inside casing towards the heat dissipation net bars has the installation to lead to the groove, is provided with the explosion-proof assembly who is used for transformer overload protection in the installation to lead to the inslot, the top surface of explosion-proof top cap is provided with radiator assembly.
Preferably, explosion-proof subassembly is including installing the mounting box that leads to the inslot in the installation and the overload protection ware that is located the mounting box inner wall, the wind-discharging electronic fan is installed towards one side of heat dissipation net bars to the mounting box, the wind-discharging electronic fan is located the position between heat dissipation net bars and the overload protection ware.
Preferably, the side of mounting box orientation heat dissipation net bars inlays and is equipped with the dust filter screen, the inner chamber diapire of explosion-proof steel sheet inside casing is provided with the heat dissipation net, and the heat dissipation net extends to the bottom surface of explosion-proof shell body.
Preferably, the heat dissipation assembly comprises a plurality of heat dissipation inserting groove symmetrically formed in the top surface of the explosion-proof top cover and heat dissipation fin strips inserted in the heat dissipation inserting grooves.
Preferably, a limiting heat-conducting plate is arranged in the middle of the top surface of the plurality of radiating fin strips, and the limiting heat-conducting plate is made of aluminum heat-conducting materials.
Preferably, L connection bases are symmetrically welded on two sides of the bottom surface of the explosion-proof shell body, and threaded holes are tapped on the top surfaces of the two connection bases.
Preferably, the edge of the inner wall of the explosion-proof top cover is bonded with a rubber sealing ring, and the rubber sealing ring abuts against the top surface of the inner frame of the explosion-proof steel plate.
The utility model discloses a technological effect and advantage:
compared with the existing frequency converter shell structure, the anti-explosion shell is convenient for shell reinforcement, has the overload protection effect of the frequency converter, and improves the explosion-proof performance of the frequency converter shell;
through setting up heat dissipation cutting groove, heat dissipation fin strip, spacing heat-conducting plate, heat dissipation net and heat dissipation net bars, spacing heat-conducting plate installs on many heat dissipation fin strips, pegs graft many heat dissipation fin strips in heat dissipation cutting groove, under the effect of heat dissipation fin strip, heat dissipation net and heat dissipation net bars, just there is the inside heat of converter casing to discharge, improves ventilation cooling's efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, 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 without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the disassembled structure of the explosion-proof housing body and the explosion-proof top cover of the present invention;
fig. 3 is a sectional view of the explosion-proof assembly of the present invention.
In the figure: 1. an explosion-proof housing body; 2. an explosion-proof top cover; 3. l is connected with the base; 4. a heat dissipation grid; 5. a wiring sleeve; 6. an explosion-proof steel plate inner frame; 7. a heat dissipation grid; 8. an explosion-proof assembly; 9. a heat dissipating component; 10. a heat dissipating fin strip; 11. a limiting heat conducting plate; 12. a heat dissipation inserting groove; 13. mounting a box; 14. a dust filter screen; 15. an exhaust electronic fan; 16. an overload protector.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to the attached drawing 1, L-shaped connecting bases 3 are symmetrically welded to two sides of the bottom surface of the explosion-proof shell body 1, threaded holes are respectively formed in the top surfaces of the two connecting bases 3, rubber sealing rings are bonded to the edge of the inner wall of the explosion-proof top cover 2 and abut against the top surface of an explosion-proof steel plate inner frame 6, a space is reserved between the two L-shaped connecting bases 3, heat can be conveniently discharged, and meanwhile the L-shaped connecting bases 3 are convenient for installation of the explosion-proof shell body 1.
Referring to the attached drawings 1 and 3, an explosion-proof shell for a frequency converter comprises an explosion-proof shell body 1, an explosion-proof top cover 2 detachably mounted on the top surface of the explosion-proof shell body 1 and an explosion-proof steel plate inner frame 6 mounted in an inner cavity of the explosion-proof shell body 1, wherein wiring sleeves 5 for connecting cables are symmetrically arranged on the side surface of the explosion-proof shell body 1, a heat dissipation grid 4 for ventilation and heat dissipation is arranged between the two wiring sleeves 5 and on the side surface of the explosion-proof shell body 1, the explosion-proof steel plate inner frame 6 is closely mounted on the side wall of the inner cavity of the explosion-proof shell body 1, a mounting through groove is cut on one side surface of the explosion-proof steel plate inner frame 6 facing the heat dissipation grid 4, an explosion-proof component 8 for overload protection of a transformer is arranged in the mounting through groove, a heat dissipation component 9 is arranged on the top surface of the explosion-proof top cover 2, the explosion-proof component 8 comprises a mounting box 13 mounted in the mounting through groove and an overload protector 16 positioned on the inner wall of the mounting box 13, exhaust electronic fan 15 is installed towards one side of heat dissipation grid 4 to mounting box 13, exhaust electronic fan 15 is located the position between heat dissipation grid 4 and overload protection ware 16, and overload protection ware 16 is connected with the converter, carries out overload protection to the converter, and exhaust electronic fan 15 operation simultaneously discharges from heat dissipation grid 4 to the heat that converter and overload protection ware 16 operation produced.
Referring to fig. 2 and 3, a dust filter screen 14 is embedded in one side surface of the mounting box 13 facing the heat dissipation grid 4, a heat dissipation grid 7 is arranged on the bottom wall of an inner cavity of the explosion-proof steel plate inner frame 6, the heat dissipation grid 7 extends to the bottom surface of the explosion-proof shell body 1, the heat dissipation assembly 9 comprises a plurality of heat dissipation strip slots 12 symmetrically formed in the top surface of the explosion-proof top cover 2 and heat dissipation fin strips 10 inserted in the heat dissipation strip slots 12, a limiting heat conduction plate 11 is arranged in the middle of the top surface of the plurality of heat dissipation fin strips 10, the limiting heat conduction plate 11 is made of aluminum heat conduction material, the limiting heat conduction plate 11 is mounted on the plurality of heat dissipation fin strips 10, the plurality of heat dissipation fin strips 10 are inserted in the heat dissipation strip slots 12, and the limiting heat conduction plate 11 fixes the heat dissipation fin strips 10 and conducts heat dissipation treatment.
The theory of operation, this explosion-proof shell for converter, explosion-proof steel sheet inside casing 6 is installed in explosion-proof shell body 1, consolidate explosion-proof shell body 1, explosion-proof subassembly 8 carries out overload protection to the converter in explosion-proof steel sheet inside casing 6, radiating component 9 discharges the heat that the converter produced, overload protector 16 is connected with the converter, overload protection is carried out to the converter, exhaust electronics fan 15 operation simultaneously, the heat that produces converter and overload protector 16 operation is discharged from heat dissipation grid 4, spacing heat-conducting plate 11 is installed on many heat dissipation fin strips 10, peg graft many heat dissipation fin strips 10 in heat dissipation inserting strip groove 12, under the effect of heat dissipation fin strip 10, heat dissipation net 7 and heat dissipation grid 4, there is the inside heat of converter casing to discharge.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides an explosion-proof shell for converter, includes explosion-proof shell body (1), demountable installation at explosion-proof top cap (2) of explosion-proof shell body (1) top surface and install explosion-proof steel sheet inside casing (6) in explosion-proof shell body (1) inner chamber, its characterized in that: the side symmetry of explosion-proof shell body (1) is provided with wiring sleeve (5) that are used for the connecting cable, is provided with on the side that just is located explosion-proof shell body (1) between two wiring sleeve (5) and is used for ventilation cooling's heat dissipation net bars (4), explosion-proof steel sheet inside casing (6) are hugged closely and are installed on the inner chamber lateral wall of explosion-proof shell body (1), explosion-proof steel sheet inside casing (6) have the installation to lead to groove towards a side cutting process of heat dissipation net bars (4), lead to inslot at the installation and are provided with explosion-proof assembly (8) that are used for converter overload protection, the top surface of explosion-proof top cap (2) is provided with radiator unit (9).
2. The explosion-proof enclosure for the frequency converter according to claim 1, characterized in that: explosion-proof subassembly (8) are including installing mounting box (13) that lead to the inslot in the installation and overload protection ware (16) that are located mounting box (13) inner wall, wind exhaust electron fan (15) are installed towards one side of heat dissipation grid (4) in mounting box (13), wind exhaust electron fan (15) are located heat dissipation grid (4) and overload protection ware (16) position between.
3. The explosion-proof enclosure for the frequency converter according to claim 2, characterized in that: the mounting box (13) is embedded with a dust filter screen (14) towards one side of the heat dissipation mesh grid (4), the inner cavity bottom wall of the inner frame (6) of the explosion-proof steel plate is provided with heat dissipation meshes (7), and the heat dissipation meshes (7) extend to the bottom surface of the explosion-proof shell body (1).
4. The explosion-proof enclosure for the frequency converter according to claim 1, characterized in that: the heat dissipation assembly (9) comprises a plurality of heat dissipation inserting bar grooves (12) symmetrically formed in the top surface of the explosion-proof top cover (2) and heat dissipation fin bars (10) inserted in the heat dissipation inserting bar grooves (12).
5. The explosion-proof enclosure for the frequency converter according to claim 4, wherein: many the top surface intermediate position of heat dissipation fin strip (10) is provided with spacing heat-conducting plate (11), spacing heat-conducting plate (11) are aluminium heat-conducting material.
6. The explosion-proof enclosure for the frequency converter according to claim 1, characterized in that: the anti-explosion shell is characterized in that L connecting bases (3) are symmetrically welded on two sides of the bottom surface of the anti-explosion shell body (1), and threaded holes are tapped on the top surface of each connecting base (3).
7. The explosion-proof enclosure for the frequency converter according to claim 1, characterized in that: the edge of the inner wall of the explosion-proof top cover (2) is bonded with a rubber sealing ring, and the rubber sealing ring is abutted against the top surface of the explosion-proof steel plate inner frame (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120986069.1U CN214960705U (en) | 2021-05-10 | 2021-05-10 | Explosion-proof shell for frequency converter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120986069.1U CN214960705U (en) | 2021-05-10 | 2021-05-10 | Explosion-proof shell for frequency converter |
Publications (1)
Publication Number | Publication Date |
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CN214960705U true CN214960705U (en) | 2021-11-30 |
Family
ID=79063400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120986069.1U Expired - Fee Related CN214960705U (en) | 2021-05-10 | 2021-05-10 | Explosion-proof shell for frequency converter |
Country Status (1)
Country | Link |
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CN (1) | CN214960705U (en) |
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2021
- 2021-05-10 CN CN202120986069.1U patent/CN214960705U/en not_active Expired - Fee Related
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |