CN104967019A - Air blower electric control cabinet - Google Patents
Air blower electric control cabinet Download PDFInfo
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- CN104967019A CN104967019A CN201510340854.9A CN201510340854A CN104967019A CN 104967019 A CN104967019 A CN 104967019A CN 201510340854 A CN201510340854 A CN 201510340854A CN 104967019 A CN104967019 A CN 104967019A
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- electric capacity
- heat dissipation
- reactor
- wind channel
- dissipation wind
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Abstract
The invention discloses an air blower electric control cabinet which comprises a cabinet body, a frequency converter element, a passive filter element, a DC reactor, an air switch and a power supply controller, wherein the frequency converter element, the passive filter element, the DC reactor, the air switch and the power supply controller are arranged in the cabinet body. The input end of the frequency converter element is connected with the passive filter element, and the output end is connected with the DC reactor; the corresponding end of the passive filter element is connected with the air switch; and a centrifugal fan in the frequency converter element is connected with the power supply controller. The input end of the frequency converter element is added with the passive filter element (electric reactor and filter), and the direct current side of the frequency converter element after inversion is added with the DC reactor for power quality control, thereby reducing harmonic pollution and the like of the air blower electric control cabinet to a power grid and suppressing interference of grid fluctuation on the air blower electric control cabinet.
Description
Technical field:
The present invention relates to a kind of air blast electrical control cubicles, it belongs to air blast technical field.
Background technology:
Transducer element in 300KW magnetic suspension air blower belongs to high-power (300KW) (600Hz) frequency converter at a high speed, and it needs to consider in structured design process: the heat radiation (temperature of power device directly affects its life and reliability) of (1) power device; (2) the connection stress (stress can directly cause power device mortality to be damaged) of power device; (3) distributed capacitance and stray inductance (affecting electric property and the operational efficiency of equipment); (4) handled easilies such as the installation of each components and parts, fixing, wiring and maintenance.
Summary of the invention:
The present invention provides a kind of air blast electrical control cubicles to solve above-mentioned prior art Problems existing.
The technical solution adopted in the present invention has: a kind of air blast electrical control cubicles, it comprises cabinet and opens and power-supply controller of electric with the transducer element be arranged in cabinet, passive filter elements, direct current reactor, sky, the input of described transducer element is connected with passive filter elements, output is connected with direct current reactor, and passive filter elements corresponding end is opened with sky and is connected;
Described transducer element comprises IPM module, busbar and electric capacity, centrifugal fan, mounting panel and heat dissipation wind channel, described IPM power model, busbar and electric capacity are fixedly connected on heat dissipation wind channel respectively, and electric capacity, IPM power model are corresponding with busbar respectively connects, heat dissipation wind channel and centrifugal fan are fixedly connected on the both ends of the surface up and down of mounting panel respectively, and the air outlet of centrifugal fan is connected with the lower port of heat dissipation wind channel, mounting panel is fixedly connected on the inwall of cabinet, described centrifugal fan is connected with power-supply controller of electric, and direct current reactor is connected with busbar;
Described passive filter elements comprises reactor and filter, and described reactor is connected with the terminals of IPM power model, and filter is connected with reactor, and sky is opened and is connected with filter.
Further, the busbar in described transducer element be provided with the expansion joint the two be connected between direct current reactor.
Further, described heat dissipation wind channel is fixedly connected with electric capacity mounting box and fixed block, the terminals of described IPM power model are fixedly connected on fixed block, and the radiating end of IPM power model stretches in heat dissipation wind channel through heat dissipation wind channel sidewall, and described electric capacity is arranged in electric capacity mounting box.
Further, in described electric capacity mounting box, layering is provided with some dividing plates, and the inner chamber of electric capacity mounting box is separated to form some mounting grooves by described dividing plate, and electric capacity is arranged in mounting groove.
Further, the top of described cabinet is provided with louvre, and described louvre is connected with the upper port of heat dissipation wind channel.
Further, arc-shaped baffle is provided with above described louvre.
The present invention has following beneficial effect:
(1) the present invention increases passive filter elements (reactor and filter) at the input of transducer element, DC side after the inversion of transducer element increases direct current reactor, for power quality controlling, reduce air blast electrical control cubicles to the harmonic pollution of electrical network etc. with suppression power network fluctuation to the interference of air blast electrical control cubicles;
(2) direct current reactor is arranged on the top of the right cavity of rack by the present invention, reduce the distance between direct current reactor and transducer element, thus the distributed inductance in the middle of reducing, be connected by expansion joint between direct current reactor with transducer element and reduce to connect stress between copper bar, thus the IPM power model in protection transducer element;
(3) cabinet in the present invention has dustproof effect, is sealed with guarantee, good heat dissipation effect, and cabinet integral air duct direction is that the right side is entered a left side and gone out, and runner is long, guarantees the heat radiation of each operation element.
Accompanying drawing illustrates:
Fig. 1 is the structure chart of air blast electrical control cubicles of the present invention.
Fig. 2 is another structure chart of air blast electrical control cubicles of the present invention.
Fig. 3 is transducer element structure chart in air blast electrical control cubicles of the present invention.
Fig. 4 is IPM module, busbar and electric capacity mounting box structure chart in Fig. 3 transducer element.
Fig. 5 is electric capacity mounting box structure chart.
Fig. 6 is cabinet top heat dissipation pore structure figure in the present invention.
Wherein:
1-cabinet; 2-transducer element; 3-passive filter elements; 4-direct current reactor; 5-sky is opened; 6-power-supply controller of electric; 7-expansion joint; 11-dividing plate; The left cavity of 12-; The right cavity of 13-; 14-louvre; 15-baffle plate; 16-screen pack; 21-IPM module; 22-centrifugal fan; 23-mounting panel; 24-heat dissipation wind channel; 25-busbar; 26-electric capacity; 27-electric capacity mounting box; 28-connecting plate; 29-fixed block; 31-reactor; 32-filter; 270-dividing plate; 271-mounting groove.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Please refer to Fig. 1 and Fig. 2, air blast electrical control cubicles of the present invention comprises rectangular-shaped cabinet 1, is provided with dividing plate 11 in cabinet 1, and the inner chamber of cabinet 1 is separated into left cavity 12 and right cavity 13 by this dividing plate 11.
Transducer element 2 is provided with in the left cavity 12 of cabinet, in right cavity 13, layering is provided with direct current reactor 4, power-supply controller of electric 6, sky open 5 and passive filter elements 3, the input of transducer element 2 is connected with passive filter elements 3, and the output of transducer element 2 is connected with direct current reactor 4.Passive filter elements 3 in the present invention comprises reactor 31 and filter 32, and filter 32 is connected with reactor 31, and sky is opened 5 and is connected with filter 32.
As Fig. 3 and Fig. 4, transducer element 2 comprises IPM power model 21, busbar 25, electric capacity 26, centrifugal fan 22, mounting panel 23 and heat dissipation wind channel 24, IPM power model 21, busbar 25 and electric capacity 26 are fixedly connected on heat dissipation wind channel 24 respectively, and IPM power model 21 and electric capacity 26 are corresponding with busbar 25 is respectively connected.Heat dissipation wind channel 24 and centrifugal fan 22 are fixedly connected on the both ends of the surface up and down of mounting panel 23 respectively, and the air outlet of centrifugal fan 22 is connected with the lower port of heat dissipation wind channel 24.Centrifugal fan 22 is connected with power-supply controller of electric 6, and direct current reactor 4 is connected with busbar 25; Mounting panel 23 is fixedly connected on the inwall of the left cavity 12 of cabinet.
In the present invention, busbar 25 and electric capacity 26 are arranged on the position near IPM power model 21, for convenience of installing electric capacity 26, heat dissipation wind channel 24 sidewall is being fixedly connected with electric capacity mounting box 27, electric capacity mounting box 27 is fixedly connected with heat dissipation wind channel 24 by connecting plate 28, and leaves assemblage gap between electric capacity mounting box 27 and connecting plate 28.In electric capacity mounting box 27, layering is provided with some dividing plates 270, electric capacity mounting box 27 is separated to form some mounting grooves 271 by dividing plate 270, electric capacity 26 is placed in mounting groove 271, the contact of electric capacity 26 is corresponding with busbar 25 to be connected, busbar 25 is placed in the assemblage gap between heat dissipation wind channel 24 and electric capacity mounting box 27, and one end of busbar 25 is fixedly connected with the upper surface of electric capacity mounting box 27.Busbar 25, electric capacity 26 and IPM power model 21 are fixedly mounted by overlapped way, compact conformation, can effectively reduce the stray electrical sensibility reciprocal in circuit, reduce to connect the stray inductance caused between IPM power model, busbar and electric capacity.
Busbar 25 in transducer element 2 of the present invention is connected by expansion joint 7 with between direct current reactor 4, reduces to connect stress between copper bar, thus IPM power model in protection transducer element 2.
Composition graphs 5, the present invention is in order to increase the radiating effect of cabinet 1, and be provided with several louvres 14 in the upper surface of the left cavity 12 of cabinet, this louvre 14 is connected with the upper port of heat dissipation wind channel 24.For preventing dust from entering in the inner chamber of cabinet by this louvre 14, above each louvre 14, be provided with arc-shaped baffle 15, this arc-shaped baffle 15 neither affects louvre 14 ventilation effect, can effectively stop again extraneous dust to enter in the inner chamber of cabinet body.
For increasing the radiating effect of cabinet 1 further, cabinet 1 its right end face being provided with the radiator window connected with right cavity 13, for preventing dust from entering the inner chamber of cabinet body by this radiator window, radiator window having screen pack 16.The present invention's thermal current that conveniently cabinet 1 produces due to each operation element work is discharged outside cabinet by louvre 14 and radiator window, and the left cavity 12 of cabinet and the inwall of right cavity 13 are equipped with exhausting duct (not shown in FIG.).Open connection external power cord for convenience of sky, cabinet 1 its right end face is provided with winding displacement hole.Cabinet in the present invention has dustproof effect, is sealed with guarantee, good heat dissipation effect.Cabinet integral air duct direction is that the right side is entered a left side and gone out, and runner is long, guarantees the heat radiation of each operation element.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, can also make some improvement under the premise without departing from the principles of the invention, and these improvement also should be considered as protection scope of the present invention.
Claims (6)
1. an air blast electrical control cubicles, it is characterized in that: comprise cabinet (1) and be arranged on transducer element (2) in cabinet (1), passive filter elements (3), direct current reactor (4), sky open (5) and power-supply controller of electric (6), the input of described transducer element (2) is connected with passive filter elements (3), output is connected with direct current reactor (4), and passive filter elements (3) corresponding end is opened (5) and is connected with sky;
Described transducer element (2) comprises IPM module (21), busbar (25) and electric capacity (26), centrifugal fan (22), mounting panel (23) and heat dissipation wind channel (24), described IPM power model (21), busbar (25) and electric capacity (26) are fixedly connected on heat dissipation wind channel (24) respectively, and electric capacity (26), IPM power model (21) is corresponding with busbar (25) respectively to be connected, heat dissipation wind channel (24) and centrifugal fan (22) are fixedly connected on the both ends of the surface up and down of mounting panel (23) respectively, and the air outlet of centrifugal fan (22) is connected with the lower port of heat dissipation wind channel (24), mounting panel (23) is fixedly connected on the inwall of cabinet (1), described centrifugal fan (22) is connected with power-supply controller of electric (6), direct current reactor (4) is connected with busbar (25),
Described passive filter elements (3) comprises reactor (31) and filter (32), described reactor (31) is connected with the terminals of IPM power model (21), filter (32) is connected with reactor (31), and sky is opened (5) is connected with filter (32).
2. air blast electrical control cubicles as claimed in claim 1, is characterized in that: the busbar (25) in described transducer element (2) be provided with the expansion joint (7) the two be connected between direct current reactor (4).
3. air blast electrical control cubicles as claimed in claim 1, it is characterized in that: described heat dissipation wind channel (24) is fixedly connected with electric capacity mounting box (27) and fixed block (29), the terminals of described IPM power model (21) are fixedly connected on fixed block (29), and the radiating end of IPM power model (21) stretches in heat dissipation wind channel through heat dissipation wind channel sidewall, described electric capacity (26) is arranged in electric capacity mounting box (27).
4. air blast electrical control cubicles as claimed in claim 3, it is characterized in that: the interior layering of described electric capacity mounting box (27) is provided with some dividing plates (270), the inner chamber of electric capacity mounting box (27) is separated to form some mounting grooves (271) by described dividing plate (270), and electric capacity (26) is arranged in mounting groove (271).
5. air blast electrical control cubicles as claimed in claim 1, is characterized in that: the top of described cabinet (1) is provided with louvre (14), and described louvre (14) is connected with the upper port of heat dissipation wind channel (24).
6. air blast electrical control cubicles as claimed in claim 5, is characterized in that: described louvre (14) top is provided with arc-shaped baffle (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340854.9A CN104967019A (en) | 2015-06-18 | 2015-06-18 | Air blower electric control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510340854.9A CN104967019A (en) | 2015-06-18 | 2015-06-18 | Air blower electric control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104967019A true CN104967019A (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510340854.9A Pending CN104967019A (en) | 2015-06-18 | 2015-06-18 | Air blower electric control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104967019A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736435A (en) * | 2016-04-27 | 2016-07-06 | 南京磁谷科技有限公司 | Integrally designed electrical control assembly in maglev centrifugal blower |
| CN106025837A (en) * | 2016-07-18 | 2016-10-12 | 南京磁谷科技有限公司 | 300kW magnetic suspension refrigeration compressor high voltage cabinet |
| CN106488691A (en) * | 2016-12-08 | 2017-03-08 | 广东欧科空调制冷有限公司 | Synchronous radiator structure inside and outside electric cabinet |
| CN112217400A (en) * | 2019-07-12 | 2021-01-12 | 株洲中车时代电气股份有限公司 | Frequency converter device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013045691A (en) * | 2011-08-25 | 2013-03-04 | Makita Corp | Power supply device |
| CN203775051U (en) * | 2014-04-11 | 2014-08-13 | 辽宁电能发展股份有限公司 | IGBT power module structure used for photovoltaic inversion |
| CN204290687U (en) * | 2014-12-16 | 2015-04-22 | 苏州伟创电气设备技术有限公司 | Frequency converter |
| CN204793739U (en) * | 2015-06-18 | 2015-11-18 | 南京磁谷科技有限公司 | Automatically controlled cabinet of air -blower |
-
2015
- 2015-06-18 CN CN201510340854.9A patent/CN104967019A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013045691A (en) * | 2011-08-25 | 2013-03-04 | Makita Corp | Power supply device |
| CN203775051U (en) * | 2014-04-11 | 2014-08-13 | 辽宁电能发展股份有限公司 | IGBT power module structure used for photovoltaic inversion |
| CN204290687U (en) * | 2014-12-16 | 2015-04-22 | 苏州伟创电气设备技术有限公司 | Frequency converter |
| CN204793739U (en) * | 2015-06-18 | 2015-11-18 | 南京磁谷科技有限公司 | Automatically controlled cabinet of air -blower |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736435A (en) * | 2016-04-27 | 2016-07-06 | 南京磁谷科技有限公司 | Integrally designed electrical control assembly in maglev centrifugal blower |
| CN106025837A (en) * | 2016-07-18 | 2016-10-12 | 南京磁谷科技有限公司 | 300kW magnetic suspension refrigeration compressor high voltage cabinet |
| CN106488691A (en) * | 2016-12-08 | 2017-03-08 | 广东欧科空调制冷有限公司 | Synchronous radiator structure inside and outside electric cabinet |
| CN106488691B (en) * | 2016-12-08 | 2019-03-29 | 广东欧科空调制冷有限公司 | Synchronous radiator structure inside and outside electric cabinet |
| CN112217400A (en) * | 2019-07-12 | 2021-01-12 | 株洲中车时代电气股份有限公司 | Frequency converter device |
| CN112217400B (en) * | 2019-07-12 | 2022-03-22 | 株洲中车时代电气股份有限公司 | Frequency converter device |
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Application publication date: 20151007 |
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