CN202650742U - Novel brake resistance box - Google Patents
Novel brake resistance box Download PDFInfo
- Publication number
- CN202650742U CN202650742U CN 201220313114 CN201220313114U CN202650742U CN 202650742 U CN202650742 U CN 202650742U CN 201220313114 CN201220313114 CN 201220313114 CN 201220313114 U CN201220313114 U CN 201220313114U CN 202650742 U CN202650742 U CN 202650742U
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- CN
- China
- Prior art keywords
- casing
- resistance
- novel brake
- resistance box
- brake resistance
- Prior art date
- 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.)
- Expired - Fee Related
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model belongs to the technical field of electrification control, and provides a novel brake resistance box which comprises a box body (4) and resistors (10). A back portion, a left side and a right side of the box body (2)are all provided with a shutter structure with a plurality of holes of the shutter (1); horizontally disposed strips (9) are installed inside the box body and a plurality of the strips (9) are arranged up and down in parallel, one ends of the horizontally disposed strips (9) are connected with a left side pillar (5) and the other ends of the horizontally disposed strips (9) are connected with a right side pillar (5). An insulator (11) and a terminal (12) are installed on a lowest placed strip (9), wherein the insulator (11) and the terminal are used for incoming and outgoing of lines. The resistors (10) are vertically arranged and have a plurality of columns, and the plurality of columns of the resistors (10) vertically arranged are installed respectively between two adjacent strips (9). The novel brake resistance box enables heat dissipation of the resistance box to be easier and enables dusts entering to be less easily. The novel brake resistance box has the advantages of being simple in structure, convenient to install, good in ventilation, and easy to dissipate heat; moreover, the novel brake resistance box reduces working intensity for workers.
Description
Technical field
The utility model belongs to electrified control technology field, relates generally to a kind of Novel brake resistance box.
Background technology
As everyone knows, frequency converter is the critical piece in the electrical control, in the frequency converter braking procedure, the generation of pump up voltage can cause the voltage on the dc bus to raise, and frequency converter can be controlled brake units and by brake resistance the mode of the voltage that raises with heat energy consumed this moment; Braking method roughly has three kinds at present: dynamic braking, DC injection braking, feedback (regeneration) braking, wherein the most commonly utilize brake resistance to carry out dynamic braking, selecting now more on the engineering is two kinds of ripple resistance and aluminium alloy resistance: ripple resistance adopts surperficial vertical ripple to be conducive to heat radiation to lower the stray inductance amount, and select the high flame retardant inorganic coating, effectively the protective resistance silk is not aging, increase the service life, cost performance is high, but the volume ratio of this resistance is large, caloric value is large, and its installation question is bad solution always; Some enterprises are installed in resistance in the control cubicle with other element, but the gas permeability of this mounting structure is bad; In order to address the above problem, (described resistor network case is the structure of bottom base openings to have designed a kind of resistor network case, the front and rear panel of resistor network case inserted by the bottom base openings and with the top interlocking of resistor network case, and at front and rear panel shutter is installed, in the resistor network case, be provided with the resistance of multilayer horizontally set) have a gas permeability, the characteristics that thermal diffusivity is good, but can only be from bottom incoming, use comparatively inconvenience, and front and rear panel is inserted by the bottom base openings and the top interlocking of resistor network case, entire plate need to be taken away during the switched resistor network case, increase workman's labour intensity.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to propose a kind of Novel brake resistance box.
The utility model adopts following technical scheme for finishing above-mentioned purpose:
A kind of Novel brake resistance box, described resistance box include casing and are arranged on the interior resistance of casing; The rear portion of described casing and the left and right sides are the shutter with some blinds hole; Have horizontally disposed frame and described frame in the described casing and be some of be arrangeding in parallel up and down; The two ends of some described framves setting up and down are connected on the column of the left and right sides, at insulator and the terminal of a bar frame installation that is positioned at lowermost end in order to line; Described resistance is the vertical multiple row that arranges, and the described resistance of multiple row is between adjacent up and down two bar framves.
Described casing is provided with symmetrically arranged two fan doors at front end frame; Described two fan doors are installed in before the casing on the end frame by the door-hinge symmetry respectively; Has some blinds hole on the described door of two fans.
The bottom of described casing is welded on the base, and the bottom of described casing is hatch frame; The side of described base has some entrance holes, and described entrance hole is communicated with box house.
Has the metal screen window on the inwall around the described casing.
Described resistance between adjacent up and down two bar framves, the spacing between the adjacent two row resistance is 150～200mm.
Described resistance between adjacent up and down two bar framves is 150～200mm near resistance and the spacing between the cabinet wall of casing both sides inwall.
Described resistance between adjacent up and down two bar framves, and the spacing between the casing rear portion, door is 80-120mm.
Be provided with the suspension ring that lift in order to convenient at the top of casing.
A kind of Novel brake resistance box that the utility model proposes, the four sides of casing all has blinds hole and metal screen window, has namely made things convenient for the heat radiation of resistance box, is difficult for again into ash; Side at resistance box has entrance hole, has made things convenient for inlet wire; Resistance vertically is arranged on the bar frame with respect to former transversely arranged structure, has reduced processing technology cost and material cost, and the characteristics that have simple in structure, easy for installation, well-ventilated, are easy to dispel the heat; The double door hinged with framework is set, when switch, do not need entire plate is taken away, reduced workman's labour intensity.
Description of drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is end view of the present utility model.
Fig. 3 is rearview of the present utility model.
Fig. 4 is vertical view of the present utility model.
Fig. 5 is the A-A profile of Fig. 4.
Fig. 6 is the B-B profile of Fig. 5.
Among the figure: 1, blinds hole, 2, base, 3, suspension ring, 4, casing, 5, column, 7, entrance hole, 8, door, 9, the bar frame, 10, resistance, 11, insulator, 12, terminal, 13, door lock.
Embodiment
With specific embodiment the utility model is illustrated by reference to the accompanying drawings:
Shown in Fig. 1-6, a kind of Novel brake resistance box, described resistance box include casing 4 and the resistance 10 that is arranged in the casing 4; The rear portion of described casing 2 and the left and right sides are the shutter with some blinds hole 1; Column 5 is welded respectively in the left and right sides in the described casing 4, between two root posts 5 bar frame 9 is set; Described frame 9 is horizontally disposed three, and three described framves 9 are parallel, and vertical with column 5; At insulator 11 and the terminal 12 of a bar frame installation that is positioned at lowermost end in order to line; Described resistance 10 is vertical four row that arrange, and between the described resistance 10 superposed two bar framves of four row, described resistance 10 is parallel to column 2 and arranges perpendicular to bar frame 9; Described casing is provided with symmetrically arranged two fan doors 8 at front end frame; Described two fan doors are installed in before the casing on the end frame by the door-hinge symmetry respectively; Has some blinds hole on the described door of two fans.The bottom of described casing is welded on the base 2, and the bottom of described casing is hatch frame; The side of described base 2 has two entrance holes 7, and described entrance hole 7 is connected with the PG joint and is communicated with box house.
Has the metal screen window on the inwall of described casing.
Spacing between the adjacent two row resistance is 150～200mm.
Described resistance between adjacent up and down two bar framves is 150～200mm near resistance and the spacing between the cabinet wall of casing both sides inwall.
Described resistance between adjacent up and down two bar framves, and the spacing between the casing rear portion, door is 80-120mm.
Be provided with the suspension ring 3 that lift in order to convenient at the top of casing 4.
The utility model not detailed description is existing technology in the prior art.
Claims (8)
1. Novel brake resistance box, described resistance box include casing (4) and are arranged on resistance (10) in the casing (4); It is characterized in that: the rear portion of described casing (2) and the left and right sides are the shutter with some blinds hole (1); Have horizontally disposed frame (9) and described frame in the described casing and be some of be arrangeding in parallel up and down; The two ends of some described frame (9) setting up and down are connected on the column (5) of the left and right sides, at insulator (11) and the terminal (12) of a bar frame (9) installation that is positioned at lowermost end in order to line; Described resistance (10) is the vertical multiple row that arranges, and the described resistance of multiple row (10) is positioned at adjacent up and down between two bar framves (9).
2. a kind of Novel brake resistance box according to claim 1 is characterized in that: described casing (4) is provided with symmetrically arranged two fan doors (8) at front end frame; Described two fan doors are installed in before the casing on the end frame by the door-hinge symmetry respectively; Has some blinds hole on the described door of two fans.
3. a kind of Novel brake resistance box according to claim 1, it is characterized in that: the bottom of described casing (4) is welded on the base (2), and the bottom of described casing is hatch frame; The side of described base (2) has some entrance holes, and described entrance hole is communicated with box house.
4. a kind of Novel brake resistance box according to claim 1 is characterized in that: have the metal screen window on the inwall around the described casing.
5. a kind of Novel brake resistance box according to claim 1 is characterized in that: described resistance (10) between adjacent up and down two bar framves, the spacing between the adjacent two row resistance is 150～200mm.
6. a kind of Novel brake resistance box according to claim 1 is characterized in that: described resistance (10) between adjacent up and down two bar framves is 150～200mm near resistance and the spacing between the cabinet wall of casing both sides inwall.
7. a kind of Novel brake resistance box according to claim 1 is characterized in that: described resistance (10) between adjacent up and down two bar framves, and the spacing between the casing rear portion, door is 80-120mm.
8. a kind of Novel brake resistance box according to claim 1 is characterized in that: be provided with the suspension ring (3) in order to convenient lifting at the top of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313114 CN202650742U (en) | 2012-06-21 | 2012-06-21 | Novel brake resistance box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220313114 CN202650742U (en) | 2012-06-21 | 2012-06-21 | Novel brake resistance box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202650742U true CN202650742U (en) | 2013-01-02 |
Family
ID=47419809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220313114 Expired - Fee Related CN202650742U (en) | 2012-06-21 | 2012-06-21 | Novel brake resistance box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202650742U (en) |
-
2012
- 2012-06-21 CN CN 201220313114 patent/CN202650742U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20130621 |