CN111181417A - Frequency converter cabinet - Google Patents
Frequency converter cabinet Download PDFInfo
- Publication number
- CN111181417A CN111181417A CN202010090800.2A CN202010090800A CN111181417A CN 111181417 A CN111181417 A CN 111181417A CN 202010090800 A CN202010090800 A CN 202010090800A CN 111181417 A CN111181417 A CN 111181417A
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- China
- Prior art keywords
- frequency converter
- converter cabinet
- supporting
- inverter
- fixing frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a frequency converter cabinet, which comprises a supporting outer frame positioned in a frequency converter cabinet body, a supporting table connected to the supporting outer frame, and a ventilation mechanism arranged on the frequency converter cabinet body, wherein the supporting table is spliced with a fixing frame for mounting an inverter assembly; a sliding groove is formed in the supporting table, and a protruding sliding block matched with the sliding groove in the supporting table is arranged on the inverter assembly fixing frame; has the advantages that: the contravariant subassembly is convenient with female dismantlement of arranging of circuit, and the contravariant subassembly is more even with female heat dissipation of arranging of the circuit of contravariant subassembly mutually supporting, and the radiating effect is good, and converter job stabilization improves work efficiency, and the air-out is effectual, and adjacent blowing mouth is mutually noninterference, has improved the life of automatically controlled component in the frequency conversion cabinet.
Description
Technical Field
The invention belongs to the field of high-voltage frequency converters, and particularly relates to a frequency converter cabinet.
Background
The frequency converter is an electric energy control device which converts a power frequency power supply into another frequency by utilizing the on-off action of a power semiconductor device, and an electric control component in the frequency converter comprises a circuit bus bar which is matched with an inversion component; the electric control component realizes various functions when the frequency converter operates, and guarantees stable, reliable and safe operation of the frequency converter.
The traditional converter cabinet body generally is equipped with accepts the board for place the contravariant subassembly, has in the prior art in the contravariant subassembly is connected and is connecting inconvenient problem, and the contravariant subassembly is wasted time and energy with the female assembly of being connected of circuit, and the contravariant subassembly also has inconvenient problem with the female row of circuit when dismantling.
The female row of circuit of mutually supporting of converter cabinet body internally mounted contravariant subassembly and contravariant subassembly, contravariant subassembly and the female row of circuit of mutually supporting with the contravariant subassembly have the inhomogeneous problem of heat dissipation among the prior art, and long-term work leads to the radiating effect poor, and converter work is unstable, influences work efficiency.
The top of the traditional converter cabinet body is equipped with the air-out structure, and traditional air-out structure, the air-out effect is poor, and mutual interference between the adjacent mouth of blowing leads to the air-out effect poor, influences the inside ventilation efficiency of inverter cabinet, has reduced the life of automatically controlled component in the inverter cabinet.
In view of this, the present patent application is presented.
Disclosure of Invention
The invention provides a frequency converter cabinet aiming at the technical problems.
In order to achieve the purpose, the invention adopts the technical scheme that:
a frequency converter cabinet comprises an outer supporting frame positioned inside a frequency converter cabinet body, a supporting table connected to the outer supporting frame, and a ventilation mechanism arranged on the frequency converter cabinet body, wherein an inverter assembly fixing frame is inserted and connected onto the supporting table; the inverter assembly fixing frame is provided with a plurality of protruding sliding blocks matched with the sliding grooves on the supporting table, the ventilation mechanism comprises a ventilation pipeline and a fan, the fan is communicated with the ventilation pipeline inside the frequency converter cabinet body, and the ventilation pipeline is provided with a plurality of air inlets; the rear of contravariant subassembly mount is provided with the backplate, and the backplate separates the inverter subassembly in both sides with air pipe, and it has a plurality of vents to open on the backplate, and air intake of air pipe is located the rear of vent.
The upper and lower surface of brace table all is provided with the spout, and the both ends of brace table all are equipped with the installation foot, are equipped with the screw hole on the installation foot.
The upper surface and the lower surface of the inverter component fixing frame are provided with protruding sliding blocks matched with the sliding grooves.
The spout includes direction spout and location spout, location spout and direction spout intercrossing.
The dustproof wind scooper is characterized in that a dustproof wind scooper with a sealed top is installed on the periphery of the fan, the dustproof wind scooper is of a cuboid structure, and except for the top seal, the opposite side of the fan is also of a sealed structure.
And a windward grille is arranged on one side of the fixing frame of the inversion component.
Two longitudinal inner supporting columns are respectively arranged on two side vertical surfaces of the supporting outer frame; a transverse bottom beam is respectively arranged between the two inner supporting columns at the front side and the two inner supporting columns at the rear side, and an inner top plate is arranged between the four inner supporting columns; a plurality of longitudinal installation beams are arranged between the front-side transverse bottom beam and the inner top plate, a back plate is arranged between the rear-side transverse bottom beam and the inner top plate, and a plurality of supporting tables for arranging inverter components are arranged between the longitudinal installation beams and the back plate.
The positioning sliding grooves are arranged in a plurality of parallel.
The upper surface and the lower surface of the inverter component fixing frame are provided with protruding sliding blocks matched with the plurality of positioning sliding grooves.
The inverter assembly fixing frame is provided with an inverter assembly and a circuit busbar, the circuit busbar comprises a large busbar and a small busbar, the large busbar is horizontally arranged at the top of the outer supporting frame, the large busbar is provided with a downward extension hole, the small busbar is vertically connected to the extension hole of the large busbar, and the extension quantity of the small busbar is 3-5.
Compared with the prior art, the invention has the advantages and positive effects that:
the invention provides a frequency converter cabinet, wherein the front side and the back side of a supporting table are symmetrically provided with a guide chute and a positioning chute, the bottom and the top of an inverter component fixing frame are provided with convex sliding blocks matched with the guide chute and the positioning chute, the convex sliding blocks firstly vertically slide in along the guide chute, and then the inverter component enters an assembly position to be assembled with a circuit bus bar after entering the positioning chute for matching, so that the combination and assembly of the inverter component and the circuit bus bar are facilitated; the inverter assembly on the inverter assembly fixing frame and the circuit bus bar on the back of the inverter assembly fixing frame are assembled through the dual-purpose screws, so that the assembly is simple, the problem that the assembly part occupies space is reduced, and the assembly space is saved; the assembly stability is ensured by arranging a plurality of groups of positioning chutes, one group of positioning chutes is connected to the middle position of the guide chute, and the other group of positioning chutes is connected to the tail part of the guide chute; the two groups of positioning chutes are distributed in parallel, and the distance between the two protruding sliding blocks arranged at the bottom and the top of the inverter assembly fixing frame is equal to the distance between the two groups of positioning chutes, so that the protruding sliding blocks are conveniently clamped in the positioning chutes, and the assembly efficiency and stability are improved;
the plurality of fan air outlets are respectively provided with the dustproof air guide covers, and the side surfaces of the adjacent dustproof air guide covers are provided with the baffle plates, so that the air outlet among the dustproof air guide covers is ensured not to interfere, the air outlet effect is good, and the heat dissipation effect is higher; the ventilation opening at the rear end of the windward grating is connected with the air inlet of the ventilating duct, so that the smoothness of the air inlet and outlet channel is ensured, the air inlet and outlet efficiency is improved, the heat generated in the frequency converter cabinet can be conveniently discharged in time, the windward gratings are not mutually interfered, the air outlet effect is improved, and the air inlet and outlet stability is ensured;
through setting up inner support post, horizontal floorbar, roof inside board, brace table for the structure of converter is more compact, and the space availability factor is higher, is convenient for set up ventilation cooling device in other spaces moreover, makes the operation safety of product obtain the guarantee.
Drawings
FIG. 1 is an overall structural view of a frequency converter cabinet according to the present invention;
FIG. 2 is a schematic view of the structure of the support frame;
FIG. 3 is a schematic structural view of an inverter module holder;
FIG. 4 is a schematic view of the structure of part A in FIG. 1;
FIG. 5 is a schematic view of a support table;
FIG. 6 is a schematic structural view of an upwind grille;
FIG. 7 is a schematic structural view of the dustproof wind scooper;
FIG. 8 is a schematic view of a connection structure of a large busbar and a small busbar;
in the above figures: the device comprises a frequency converter cabinet body 1, a supporting table 2, an inverter component fixing frame 3, a sliding groove 4, a protruding sliding block 5, a back plate 6, a ventilation opening 7, a supporting outer frame 8, a ventilation pipeline 9, a fan 10, a guide sliding groove 11, a positioning sliding groove 12, a dustproof wind scooper 13, an inner supporting column 14, a transverse bottom beam 15, a windward grid 16, an inner top plate 17, a longitudinal mounting beam 18, an inverter component 19, a circuit busbar 20, a large busbar 21, a small busbar 22, mounting feet 23 and an air inlet 24.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A frequency converter cabinet comprises a supporting outer frame 8 positioned inside a frequency converter cabinet body 1, a supporting table 2 connected to the supporting outer frame 8 and a ventilation mechanism arranged on the frequency converter cabinet body 1, wherein an inverter assembly fixing frame 3 is inserted and connected onto the supporting table 2; the inverter assembly fixing frame 3 is provided with a raised sliding block 5 which is matched with the sliding groove 4 on the supporting table 2, the ventilation mechanism comprises a ventilation pipeline 9 and a fan 10, the fan 10 is communicated with the ventilation pipeline 9 in the frequency converter cabinet body 1, and the ventilation pipeline 9 is provided with a plurality of air inlets 24; a back plate 6 is arranged behind the inverter component fixing frame 3, the back plate 6 separates the inverter component 2 and the ventilation pipeline 9 at two sides, a plurality of ventilation openings 7 are arranged on the back plate 6, an air inlet 24 of the ventilation pipeline 4 is positioned behind the ventilation openings 7, sliding grooves 4 are arranged on the upper surface and the lower surface of the supporting platform 2, mounting feet 23 are arranged at two ends of the supporting platform 2, threaded holes are arranged on the mounting feet 23, protruding sliding blocks 5 matched with the sliding grooves 4 are arranged on the upper surface and the lower surface of the inverter component fixing frame 3, the sliding grooves 4 comprise guide sliding grooves 11 and positioning sliding grooves 12, the positioning sliding grooves 12 and the guide sliding grooves 11 are mutually crossed, a plurality of the positioning sliding grooves 12 are arranged and are parallel to each other, the protruding sliding blocks 5 matched with the plurality of positioning sliding grooves 6 are arranged on the upper surface and the lower surface of the inverter component fixing frame 3, a, except that the top is closed, the opposite side of the fan 10 is also of a closed structure, one side of the fixing frame 3 of the inverter assembly is provided with a windward grille 16, the windward grille 16 is of a hollow structure with the front end and the rear end communicated, the front end of the windward grille 16 is an air inlet channel, and the rear end of the windward grille 16 is a ventilation opening 7.
Wherein, two longitudinal inner supporting columns 14 are respectively arranged on two side vertical surfaces of the supporting outer frame 8; a transverse bottom beam 15 is respectively arranged between the two inner supporting columns 14 at the front side and the two inner supporting columns 14 at the rear side, and an inner top plate 17 is arranged between the four inner supporting columns; a plurality of longitudinal installation beams 18 are arranged between the front-side transverse bottom beam 15 and the inner top plate 17, a back plate 6 is arranged between the rear-side transverse bottom beam 15 and the inner top plate 17, and a plurality of support tables 2 for arranging inverter components are arranged between the longitudinal installation beams 18 and the back plate 6.
The inverter assembly fixing frame 3 is provided with an inverter assembly 19 and a circuit busbar 20, the circuit busbar 20 comprises a large busbar 21 and a small busbar 22, the large busbar 21 is horizontally arranged at the top of the outer support frame 8, the large busbar 21 is provided with a downward expansion hole, the small busbar 22 is vertically connected to the expansion hole of the large busbar 21, and the expansion quantity of the small busbar 22 is 3-5.
The working principle is as follows: in the assembling and using process, the guide sliding grooves 11 and the positioning sliding grooves 12 are symmetrically arranged on the front side and the back side of the supporting platform 3, the protruding sliding blocks 5 matched with the guide sliding grooves 11 and the positioning sliding grooves 12 are arranged at the bottom and the top of the inverter component fixing frame 3, the protruding sliding blocks 5 firstly vertically slide in along the guide sliding grooves 11, then the inverter component 19 enters the assembling position to be assembled with the circuit bus bar 20 after entering the positioning sliding grooves 12 for matching, the circuit bus bar 20 is positioned on the supporting outer frame 8 and opposite to the inverter component 19, and the inverter component on the inverter component fixing frame 3 and the circuit bus bar 20 on the back side of the inverter component fixing frame are assembled through dual-purpose screws, so that the assembling is simple, the problem of occupied space of assembling parts is reduced, and; by arranging two groups of positioning chutes 12, the first group of positioning chutes 12 are connected to the middle position of the guide chute 11, and the second group of positioning chutes 12 are connected to the tail part of the guide chute 11, so that the stability of assembly is ensured; the distribution positions of the two groups of positioning chutes 12 are parallel to each other, the distance between two protruding sliding blocks 5 arranged at the bottom and the top of the inverter component fixing frame 3 is equal to the distance between the two groups of positioning chutes 12, so that the protruding sliding blocks 5 are conveniently clamped inside the positioning chutes 12, the assembly efficiency and stability are improved, a dustproof wind guide cover 13 is arranged outside the fan 10, the dustproof wind guide cover 13 is of a cubic structure, three of four side surfaces of the dustproof wind guide cover 13 are of a hollow structure, the other side surface of the dustproof wind guide cover is provided with a baffle, the baffle is arranged on the side surface of the adjacent dustproof wind guide cover 13, the air outlet between the dustproof wind guide covers 13 is ensured not to be interfered, the;
a windward grille 16 is arranged on one side of the inverter component fixing frame 3, the windward grille 16 is of a hollow structure with the front end and the rear end communicated with each other, an air inlet channel is arranged at the front end of the windward grille 16, a vent 7 is arranged at the rear end of the windward grille 16, a fan 10 at the top of the frequency converter cabinet body 1 is communicated with a ventilation pipeline 9 in the frequency converter cabinet body 1, and a plurality of air inlets 24 are arranged on the ventilation pipeline 9; the rear of contravariant subassembly mount 3 is provided with backplate 6, backplate 6 separates inverter subassembly 2 and air pipe 9 in both sides, it has a plurality of vents 7 to open on the backplate 6, the vent 7 of windward grid 16 rear end is connected with air pipe 9's air intake 24, it is unblocked to ensure business turn over wind channel, improve business turn over wind efficiency, through setting up windward grid 16, the heat that has made things convenient for the inside production of converter cabinet can in time be discharged, mutual noninterference between the windward grid 16, the air-out effect has been improved.
The air passes through the hollow structure in the windward grille 16, absorbs heat generated by the inverter assembly 19 and the circuit busbar 20 on one side of the windward grille 16, enters the ventilation pipeline 9, and is discharged through the fan 11 on the top, so that circulation of heat dissipation air is realized, and the heat dissipation effect is improved; each group of inversion components and the circuit busbar 20 are respectively connected with the windward grilles 16, so that mutual influence of heat generated between the adjacent inversion components 19 and the circuit busbar 20 is avoided, the heat dissipation effect of each group of inversion components 19 and the circuit busbar 20 is improved, the heat dissipation uniformity is ensured, the stable operation of the frequency converter is ensured, and the working efficiency is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (10)
1. A converter cabinet which characterized in that: the frequency converter comprises a supporting outer frame (8) positioned inside a frequency converter cabinet body (1), a supporting table (2) connected to the supporting outer frame (8), and a ventilation mechanism arranged on the frequency converter cabinet body (1), wherein an inverter assembly fixing frame (3) is inserted and installed on the supporting table (2); the inverter assembly is characterized in that a sliding groove (4) is formed in the supporting table (2), a protruding sliding block (5) matched with the sliding groove (4) in the supporting table (2) is arranged on the inverter assembly fixing frame (3), the ventilation mechanism comprises a ventilation pipeline (9) and a fan (10), the fan (10) is communicated with the ventilation pipeline (9) in the frequency converter cabinet body (1), and a plurality of air inlets (24) are formed in the ventilation pipeline (9); the rear of contravariant subassembly mount (3) is provided with backplate (6), and backplate (6) are separated inverter subassembly (2) and air pipe (9) in both sides, and it has a plurality of vents (7) to open on backplate (6), and air intake (24) of air pipe (4) are located the rear of vent (7).
2. A frequency converter cabinet according to claim 1, characterized in that: the upper surface and the lower surface of the supporting table (2) are provided with sliding grooves (4), the two ends of the supporting table (2) are provided with mounting feet (23), and threaded holes are formed in the mounting feet (23).
3. A frequency converter cabinet according to claim 1, characterized in that: the upper surface and the lower surface of the inverter component fixing frame (3) are provided with convex sliding blocks (5) which are matched with the sliding grooves (4).
4. A frequency converter cabinet according to claim 2, characterized in that: the sliding chute (4) comprises a guide sliding chute (11) and a positioning sliding chute (12), and the positioning sliding chute (12) and the guide sliding chute (11) are mutually crossed.
5. A frequency converter cabinet according to claim 1, characterized in that: the dustproof wind scooper is characterized in that a dustproof wind scooper (13) with a sealed top is installed on the periphery of the fan (10), the dustproof wind scooper (13) is of a cuboid structure, and except for the top seal, the opposite side of the fan (10) is also of a sealed structure.
6. A frequency converter cabinet according to claim 1, characterized in that: and a windward grille (16) is arranged on one side of the fixing frame (3) of the inversion component.
7. A frequency converter cabinet according to claim 1, characterized in that: two longitudinal inner supporting columns (14) are respectively arranged on two side vertical surfaces of the supporting outer frame (8); a transverse bottom beam (15) is respectively arranged between the two inner supporting columns (14) at the front side and the two inner supporting columns (14) at the rear side, and an inner top plate (17) is arranged between the four inner supporting columns; a plurality of longitudinal installation beams (18) are arranged between the front-side transverse bottom beam (15) and the inner top plate (17), a back plate (6) is arranged between the rear-side transverse bottom beam (15) and the inner top plate (17), and a plurality of support tables (2) provided with inverter components are arranged between the longitudinal installation beams (18) and the back plate (6).
8. A frequency converter cabinet according to claim 4, characterized in that: the positioning sliding grooves (12) are arranged in a plurality and are parallel to each other.
9. A frequency converter cabinet according to claim 8, characterized in that: the upper surface and the lower surface of the inverter component fixing frame (3) are provided with protruding sliding blocks (5) matched with the positioning sliding grooves (12).
10. A frequency converter cabinet according to claim 1, characterized in that: install contravariant subassembly (19) and female (20) of circuit on contravariant subassembly mount (3), female arranging (20) of circuit including big female arranging (21) and little female arranging (22), big female arranging (21) horizontal installation at the top of supporting outer frame (8), big female arranging (21) are equipped with decurrent extension hole, little female arranging (22) connect perpendicularly on the extension hole of big female arranging (21), little female arranging (22) extension quantity be 3-5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010070433 | 2020-01-21 | ||
| CN202010070433X | 2020-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111181417A true CN111181417A (en) | 2020-05-19 |
Family
ID=70653022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010090800.2A Pending CN111181417A (en) | 2020-01-21 | 2020-02-13 | Frequency converter cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111181417A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112423562A (en) * | 2020-12-03 | 2021-02-26 | 青岛中加特电气股份有限公司 | Frequency conversion cabinet for electric fracturing truck pump |
| CN112510971A (en) * | 2020-12-10 | 2021-03-16 | 芜湖金太阳机电设备有限公司 | Ventilation dust protected inverter cabinet |
-
2020
- 2020-02-13 CN CN202010090800.2A patent/CN111181417A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112423562A (en) * | 2020-12-03 | 2021-02-26 | 青岛中加特电气股份有限公司 | Frequency conversion cabinet for electric fracturing truck pump |
| CN112510971A (en) * | 2020-12-10 | 2021-03-16 | 芜湖金太阳机电设备有限公司 | Ventilation dust protected inverter cabinet |
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