CN202309513U - Mining frequency converter - Google Patents
Mining frequency converter Download PDFInfo
- Publication number
- CN202309513U CN202309513U CN2011204210138U CN201120421013U CN202309513U CN 202309513 U CN202309513 U CN 202309513U CN 2011204210138 U CN2011204210138 U CN 2011204210138U CN 201120421013 U CN201120421013 U CN 201120421013U CN 202309513 U CN202309513 U CN 202309513U
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- CN
- China
- Prior art keywords
- cavity
- filter
- reactor
- contactor
- magnet ring
- 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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Abstract
The utility model relates to a mining frequency converter. A line incoming cavity, a line outgoing cavity, a main cavity, an isolating cavity and a reactor cavity are formed in a frequency converter housing, wherein a frequency converter power unit and two contactors are arranged in the main cavity; an isolating and reversing switch and a first filter are arranged in the isolating cavity; a reactor and a second filter are arranged in the reactor cavity; an electric cable passes through the line incoming cavity to be connected to the isolating and reversing switch in the isolating cavity; an electric cable passes through the line outgoing cavity to be connected to a first contactor in the main cavity; a first ultracrystalline magnetic ring is arranged in a position where an electric cable connecting both a second contactor and the reactor enters a reactor cavity body; and a second ultracrystalline magnetic ring is arranged at the connecting part of the first filter and the isolating and reversing switch. The mining frequency converter has a simple structure, has a smaller body type than a multi-housing mining frequency converter through adopting a cavity splitting technology, uses less material, has a low cost, is convenient to move and can reduce interference.
Description
Technical field
The utility model relates to a kind of frequency converter, relates in particular to a kind of mine-used frequency-converter.
Background technology
Along with the development frequency converter of society more and more widely be applied in a lot of fields, for example various weavings, machinery, illumination, computer control etc. also are applied under the coal mine in each electric equipment simultaneously.Because abominable operational environment under the coal mine will certainly be to frequency inverter capacity, power etc. have higher requirement; Common jumbo frequency converter can carry out electromagnetic disturbance even make their cisco unity malfunctions the control under the mine, protection equipment; The electromagnetic disturbance of most of mine-used frequency-converter adopt the mine-used frequency-converter of many housings in the prior art usually, but the frequency converter build is big all considerably beyond the limiting value in the GB; Many with material; Cost is high, and adopts cable connection between many housings, moves very inconvenient.
The utility model content
The purpose of the utility model is the deficiency to prior art, and a kind of mine-used frequency-converter is provided.
For achieving the above object; The technical scheme that the utility model adopts is: a kind of mine-used frequency-converter, comprise heat-pipe radiator, and heat-pipe radiator is connected on the frequency converter housing through flange; In the frequency converter housing, be provided with first contactor, transducer power unit, second contactor, reactor, first filter, second filter and isolate reversing switch; Link to each other through cable successively between said first contactor, transducer power unit, second contactor, reactor, first filter, second filter links to each other with the isolation reversing switch through cable, and first filter links to each other with second filter; Also comprise inlet wire chamber and the wire cavity that is used for wiring in the said frequency converter housing; Cable passes the inlet wire chamber and is connected to the isolation reversing switch, and cable passes wire cavity and is connected on first contactor, also is provided with main chamber, separate cavities and reactor chamber in the said frequency converter housing; In main chamber, be provided with transducer power unit and two contactors, first contactor, second contactor; In said wire connection cavity, be provided with cable, cable passes wire connection cavity and is connected on first contactor in the main chamber; In said separate cavities, be provided with and isolate the reversing switch and first filter; In said reactor chamber, be provided with the reactor and second filter; The cable entering reactor cavity place that is connected with reactor at second contactor is provided with the first ultracrystallite magnet ring, is provided with the second ultramicro-crystal magnet ring in first filter and isolation reversing switch junction.
As a kind of improvement of the utility model, the said first ultracrystallite magnet ring is arranged on the inwall in reactor chamber.
As a kind of improvement of the utility model, the said second ultramicro-crystal magnet ring is arranged at the end near first filter.
As a kind of improvement of the utility model, the first ultracrystallite magnet ring that is provided with at the cable entering reactor cavity place that second contactor is connected with reactor is provided with 10.
As a kind of improvement of the utility model, be provided with 10 at first filter and the second ultramicro-crystal magnet ring of isolating the setting of reversing switch junction.
As a kind of improvement of the utility model, outside the first ultracrystallite magnet ring, be provided with the first irony radome.
As a kind of improvement of the utility model, outside the second ultracrystallite magnet ring, be provided with the second irony radome.
The utility model arrives following beneficial effect through above the setting: the utility model is simple in structure, and through adopting the chamber technology of dividing, the mine-used frequency-converter build of housing is small and exquisite than manying; Few with material, cost is low, and does not have the cable connection between many housings; Conveniently moving, and, have only conduction interference between three chambeies through adopting branch chamber technology; And the emission harassing and wrecking are masked mutually by cavity, when the electromagnetic disturbance of frequency converter gets into each cavity, with the filtering of ultracrystallite magnet ring; Filter major part to the electromagnetic disturbance of frequency converter, add the irony radome through the ultracrystallite magnet ring again and make the cable emission before the filtering disturb and in cavity, to propagate, reduced interference.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the partial sectional view of the utility model;
Each parts is among the figure:
1, first contactor 2, wire cavity 3, main chamber 4, transducer power unit 5, second contactor
6, isolate reversing switch 7, the second irony radome 8, the second ultracrystallite magnet ring 9, first filter
10, second filter 11, reactor chamber 12, reactor 13, separate cavities 14, the first ultracrystallite magnet ring 15, the first irony radome 22, wire connection cavity.
Embodiment
Below in conjunction with embodiment and with reference to accompanying drawing the utility model is further described.
Like the described a kind of mine-used frequency-converter of Fig. 1; Comprise heat-pipe radiator; Heat-pipe radiator is connected on the frequency converter housing through flange, in the frequency converter housing, is provided with first contactor 1, transducer power unit 4, second contactor 5, reactor 12, first filter 9, second filter 10 and isolates reversing switch 6, links to each other through cable successively between said first contactor 1, transducer power unit 4, second contactor 5, reactor 12, first filter 9; Second filter 10 links to each other with isolation reversing switch 6 through cable; First filter 9 links to each other with second filter 10, also comprises the inlet wire chamber 22 and wire cavity 2 that are used for wiring in the said frequency converter housing, and cable passes inlet wire chamber 22 and is connected to isolation reversing switch 6; Cable passes wire cavity 2 and is connected on first contactor 1; Also be provided with main chamber 3, separate cavities 13 and reactor chamber 11 in the said frequency converter housing, 3 are provided with transducer power unit 4 and two contactors in main chamber, first contactor 1, second contactor 5; In said wire connection cavity, be provided with cable, cable passes wire connection cavity 2 and is connected on first contactor 1 in the main chamber 3; In said separate cavities 13, be provided with and isolate the reversing switch 6 and first filter 9; In said reactor chamber 11, be provided with the reactor 12 and second filter 10; Cable entering reactor cavity 11 places that are connected with reactor 12 at second contactor 5 are provided with the first ultracrystallite magnet ring 14, are provided with the second ultramicro-crystal magnet ring 8 in first filter 9 and isolation reversing switch 6 junctions.
A kind of improvement of the utility model, the said first ultracrystallite magnet ring 14 is arranged on the inwall in reactor chamber 11.
A kind of improvement of the utility model, the said second ultramicro-crystal magnet ring 8 is arranged at the end near first filter 9.
A kind of improvement of the utility model, the first ultracrystallite magnet ring 14 that is provided with at cable entering reactor cavity 11 places that second contactor 5 is connected with reactor 12 is provided with 10.
A kind of improvement of the utility model is provided with 10 at first filter 9 and the second ultramicro-crystal magnet ring 8 of isolating the setting of reversing switch 6 junctions.
A kind of improvement of the utility model is provided with the first irony radome 15 outside the first ultracrystallite magnet ring 14.
A kind of improvement of the utility model is provided with the second irony radome 7 outside the second ultracrystallite magnet ring 8.
The utility model is owing to adopt the chamber technology of dividing; Electromagnetic disturbance (emission harassing and wrecking) is divided into conduction and radiation disturbance; Can cause radiation again in the conductive process, main chamber 3 has conduction interference between separate cavities 13 and 12 3 chambeies, reactor chamber; And radiation disturbance is shielded absorption mutually by each cavity, and conduction interference has carried out a series of algorithm in each inside cavity again.When the electromagnetic disturbance of frequency converter 4 gets into reactor chamber 12; With 14 filtering of the first ultracrystallite magnet ring; Filter major part to the electromagnetic disturbance of frequency converter; Cable emission in that the first ultracrystallite magnet ring 14 adds before the first irony radome 15 makes filtering is disturbed and can not reactor chamber 12 in, be propagated, and the reactor 12 part electromagnetic disturbance of also having decayed is concentrated after the filtering again through 9 another the concentrated filtering of first filter by second filter 10 then; Cable gets into separate cavities 13 backs through 8 filtering of the second ultracrystallite magnet ring; The second ultracrystallite magnet ring filtering 8 filtering and add second irony shielding 7 more once more, last removing of high frequency harassing and wrecking that gets into first filter 9, prevented radiation before and after filtering each time separate cavities 13 in mutual the harassing and wrecking.Electromagnetic disturbance three filtering when drawing housing behind the cable process isolation reversing switch 6 adds screening energy and reaches about 50dbuv, well below the requirement of GB 73dbuv.Because housing is divided into a plurality of cavitys, the iron plate area of cavity is bigger than a cavity, to launching harassing and wrecking through row shielding and absorption, so disturb also well below GB 37dbuv from the outer side test emission of housing.
The utility model is simple in structure, and through adopt dividing the chamber technology, the mine-used frequency-converter build of housing is small and exquisite than manying; Few with material, cost is low, and does not have the cable connection between many housings; Conveniently moving, and, have only conduction interference between three chambeies through adopting branch chamber technology; And the emission harassing and wrecking are masked mutually by cavity, when the electromagnetic disturbance of frequency converter gets into each cavity, with the filtering of ultracrystallite magnet ring; Filter major part to the electromagnetic disturbance of frequency converter, add the irony radome through the ultracrystallite magnet ring again and make the cable emission before the filtering disturb and in cavity, to propagate, reduced interference.
The above; It only is the preferred embodiment of the utility model; Be not to be the utility model to be done the restriction of any other form, and, still belong to the utility model scope required for protection according to any modification or equivalent variations that the technical spirit of the utility model is done.
Claims (7)
1. mine-used frequency-converter; Comprise heat-pipe radiator; Heat-pipe radiator is connected on the frequency converter housing through flange; In the frequency converter housing, be provided with first contactor (1), transducer power unit (4), second contactor (5), reactor (12), first filter (9), second filter (10) and isolate reversing switch (6); Link to each other through cable successively between said first contactor (1), transducer power unit (4), second contactor (5), reactor (12), first filter (9); Second filter (10) links to each other with isolation reversing switch (6) through cable; First filter (9) links to each other with second filter (10), also comprises the inlet wire chamber (22) and the wire cavity (2) that are used for wiring in the said frequency converter housing, and cable passes inlet wire chamber (22) and is connected to isolation reversing switch (6); Cable passes wire cavity (2) and is connected on first contactor (1); It is characterized in that: also be provided with main chamber (3), separate cavities (13) and reactor chamber (11) in the said frequency converter housing, (3) are provided with transducer power unit (4) and two contactors in main chamber, first contactor (1), second contactor (5); In said wire connection cavity, be provided with cable, cable passes wire connection cavity (2) and is connected on first contactor (1) in the main chamber (3); In said separate cavities (13), be provided with and isolate reversing switch (6) and first filter (9); In said reactor chamber (11), be provided with reactor (12) and second filter (10); Cable entering reactor cavity (11) in that second contactor (5) is connected with reactor (12) locates to be provided with the first ultracrystallite magnet ring (14), is provided with the second ultramicro-crystal magnet ring (8) in first filter (9) and isolation reversing switch (6) junction.
2. a kind of mine-used frequency-converter according to claim 1 is characterized in that: the said first ultracrystallite magnet ring (14) is arranged on the inwall of reactor chamber (11).
3. a kind of mine-used frequency-converter according to claim 1 and 2 is characterized in that: the said second ultramicro-crystal magnet ring (8) is arranged at the end near first filter (9).
4. a kind of mine-used frequency-converter according to claim 1 and 2 is characterized in that: the cable that is connected with reactor (12) at second contactor (5) gets into the first ultracrystallite magnet ring (14) that reactor cavity (11) locates to be provided with and is provided with 10.
5. a kind of mine-used frequency-converter according to claim 1 and 2 is characterized in that: be provided with 10 at first filter (9) and the second ultramicro-crystal magnet ring (8) of isolating the setting of reversing switch (6) junction.
6. a kind of mine-used frequency-converter according to claim 1 and 2 is characterized in that: outside the first ultracrystallite magnet ring (14), be provided with the first irony radome (15).
7. a kind of mine-used frequency-converter according to claim 3 is characterized in that: outside the second ultracrystallite magnet ring (8), be provided with the second irony radome (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204210138U CN202309513U (en) | 2011-10-31 | 2011-10-31 | Mining frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204210138U CN202309513U (en) | 2011-10-31 | 2011-10-31 | Mining frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202309513U true CN202309513U (en) | 2012-07-04 |
Family
ID=46378324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204210138U Expired - Fee Related CN202309513U (en) | 2011-10-31 | 2011-10-31 | Mining frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202309513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195433A (en) * | 2017-06-30 | 2017-09-22 | 广东美的制冷设备有限公司 | The Inductive component and air conditioner of air conditioner |
-
2011
- 2011-10-31 CN CN2011204210138U patent/CN202309513U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107195433A (en) * | 2017-06-30 | 2017-09-22 | 广东美的制冷设备有限公司 | The Inductive component and air conditioner of air conditioner |
| CN107195433B (en) * | 2017-06-30 | 2024-04-23 | 广东美的制冷设备有限公司 | Inductance assembly of air conditioner and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20120704 Termination date: 20171031 |