CN203859672U - Motor frequency converting device with skid-mounted structure - Google Patents
Motor frequency converting device with skid-mounted structure Download PDFInfo
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- CN203859672U CN203859672U CN201420271476.4U CN201420271476U CN203859672U CN 203859672 U CN203859672 U CN 203859672U CN 201420271476 U CN201420271476 U CN 201420271476U CN 203859672 U CN203859672 U CN 203859672U
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- frequency converter
- casing
- skid
- junction box
- conversion device
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Abstract
The utility model discloses a motor frequency converting device with a skid-mounted structure. The motor frequency converting device comprises a box body, an wire-inlet cabinet and a frequency converter, the box body is provided with a junction box unit and a box door, the wire-inlet cabinet and the frequency converter are connected with each other, the wire-inlet cabinet and the frequency converter are respectively connected with the junction box unit, the wire-inlet cabinet comprises isolation switches and medium-voltage breakers, the junction box unit comprises a medium-voltage wire-inlet box, a medium-voltage wire-outlet box, and a low-voltage junction box, input terminals of the isolation switches are connected with the medium-voltage wire-inlet box via cables, output terminals of the isolation switches are connected with an input terminal of the frequency converter via the medium-voltage breakers, an output terminal of the frequency converter is connected with the medium-voltage wire-outlet box via the cables, and control terminals of the medium-voltage breakers and a control terminal of the frequency converter are respectively connected with the low-voltage junction box via the cables. The motor frequency converting device is advantaged by repeated usage at multiple sites, simple on-site installation, compact structure, convenient transportation and lifting, rapid wiring operation, and wide application range.
Description
Technical field
The utility model relates to the converter plant of Electric Machine Control, is specifically related to a kind of motor frequency conversion device of skid-mounted type structure.
Background technology
Along with improving constantly of industrial automatization, frequency converter has also obtained application very widely at home.The mode that adopts Frequency Converter Control motor, system overload ability is strong, has super large starting and working capacity, perfect protection and control performance, and product has been widely used in all industrial transmission fields such as metallurgy, mine, chemical industry, machinery.For some important bulk loads in the projects such as mine construction, in work progress, all need to control motor with frequency converter.
In current existing technical scheme, all in power distribution room, to configure incoming line cabinet and frequency converter, by excavating cable trough, lay once, secondary cable is connected control with on-the-spot motor, has following shortcoming: 1, pass through excavation cable trough, cabling, civil engineering and equipment installation cost are high.2,, because power distribution room is generally far away apart from practice of construction scene, Electric Machine Control operation is very inconvenient.3, the frequency converter in power distribution room is irremovable, is difficult to meet the user demand of different job sites.4, when frequency converter is worked, need to be placed in clean clean air ambient, cause frequency converter performance requirement higher, and high-performance transducer be often expensive.5, when frequency converter will be reused in different job sites, need through complicated loaded down with trivial details installation and removal, installation and removal are loaded down with trivial details, and lifting and transport are all very inconvenient, cause efficiency of construction low.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of can realize frequency converter the reusing of different job sites, meet environment instructions for use out of doors, reduce the performance requirement of construction to frequency converter, can reduce construction cost and lifting construction efficiency, convenient to operation, compact conformation, lifting and the convenient transportation motor frequency conversion device of skid-mounted type structure efficiently.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of motor frequency conversion device of skid-mounted type structure, comprise the casing of enclosed construction and be located at incoming line cabinet, the frequency converter in casing, described casing is provided with junction box unit and chamber door, between described incoming line cabinet and frequency converter, interconnect, and described incoming line cabinet, frequency converter are connected with the junction box unit on casing by cable.
Preferably, described incoming line cabinet comprises isolating switch and medium voltage breaker, described junction box unit comprise be installed on casing in compress into line case, extrusion line case and low pressure junction box, the input of described isolating switch by cable with in compress into line case and be connected, the output of described isolating switch is connected with the input of frequency converter by medium voltage breaker, the output of described frequency converter is connected with middle extrusion line case by cable, and the control end of described medium voltage breaker, the control end of frequency converter are connected with low pressure junction box by cable respectively.
The front side of compressing into line case, extrusion line case and low pressure junction box in preferably, described is equipped with outer shrouding.
Preferably, be provided with multiple cable troughs in described casing, the cable of compressing into line case, extrusion line case and low pressure junction box in being connected in described casing is arranged in respectively cable trough.
Preferably, the top of described frequency converter is provided with cooling fan, the inlet side of described cooling fan is connected with the shell of frequency converter, the air draft side of described cooling fan is communicated with the air outlet being installed on casing by heat radiating air duct, on described casing, be also provided with air inlet, described air inlet and air outlet are equipped with air cleaner or filter screen.
Preferably, the upside of described air inlet and air outlet is equipped with bucker.
Preferably, in described casing, be provided with illuminating lamp and for controlling the lighting case of illuminating lamp.
Preferably, described chamber door is sliding door, and the upside of described chamber door is provided with waterproof flanging.
Preferably, described casing is made up of base, cabinet shell and top cover, and described cabinet shell lower end is connected with base, upper end is connected with top cover.
Preferably, the skeleton of described base adopts channel-section steel welding to make, and described cabinet shell adopts composite plate to make, and the duplex plating zine plate that described top cover accompanies insulation material layer by centre is made.
The motor frequency conversion device of skid-mounted type structure of the present utility model has following advantage:
1, the motor frequency conversion device of skid-mounted type structure of the present utility model comprises the casing of enclosed construction and is located at incoming line cabinet and the frequency converter in casing, casing is provided with junction box unit and chamber door, incoming line cabinet is connected with the junction box unit on casing by cable with frequency converter, therefore by by the incoming line cabinet of prior art and frequency converter integrated installation in the casing of sealing, all enters, outlet is all connected on the junction box unit on casing, do not need to excavate cable trough and build foundation of civil work etc., all cables can be connected with incoming line cabinet and frequency converter in casing easily by junction box unit, do not need through cable trough, greatly simplify the installment work at the construction field (site) of frequency converter equipment.
2, the motor frequency conversion device of skid-mounted type structure of the present utility model comprises the casing of enclosed construction and is located at incoming line cabinet and the frequency converter in casing, casing and be located at incoming line cabinet in casing and frequency converter has formed the integrated type skid-mounted formula structure of similar container, therefore can directly transport easily, lift to job site, all control operations are carried out at the scene.
3, the motor frequency conversion device of skid-mounted type structure of the present utility model comprises the casing of enclosed construction and is located at incoming line cabinet and the frequency converter in casing, casing is provided with junction box unit and chamber door, incoming line cabinet is connected with the junction box unit on casing by cable with frequency converter, connect by simple cable for junction box unit in use, get final product the installation, use and demolition of finishing equipment, can be applied to the site operation that comprises the fields such as mine, meet different job sites needs and use the requirement of frequency converter equipment.
Brief description of the drawings
Fig. 1 is the side-looking structural representation of box house in the utility model embodiment.
Fig. 2 is the circuit theory diagrams of box house in the utility model embodiment.
Fig. 3 is the side-looking structural representation of the utility model embodiment.
Fig. 4 is that sectional structure schematic diagram is amplified in the part of top cover in the utility model embodiment.
Fig. 5 is the understructure schematic diagram of casing in the utility model embodiment.
Fig. 6 is the plan structure schematic diagram of box house in the utility model embodiment.
Marginal data: 1, casing; 101, base; 102, cabinet shell; 103, top cover; 1031, duplex plating zine plate; 1032, insulation material layer; 11, junction box unit; 111, in, compress into line case; 112, middle extrusion line case; 113, low pressure junction box; 114, outer shrouding; 115, cable trough; 12, chamber door; 121, waterproof flanging; 13, air inlet; 14, air outlet; 15, bucker; 2, incoming line cabinet; 21, isolating switch; 22, medium voltage breaker; 3, frequency converter; 4, cooling fan; 41, heat radiating air duct; 5, lighting case; 51, illuminating lamp.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the motor frequency conversion device of the present embodiment skid-mounted type structure comprises the casing 1 of enclosed construction and is located at incoming line cabinet 2, the frequency converter 3 in casing 1, casing 1 is provided with junction box unit 11 and chamber door 12, between incoming line cabinet 2 and frequency converter 3, interconnect, and incoming line cabinet 2, frequency converter 3 are connected with the junction box unit 11 on casing 1 by cable.The present embodiment is similar to the skid-mounted type structure of container by incoming line cabinet 2 and frequency converter 3 being located to the interior formation of casing 1 of enclosed construction, can overcome prior art incoming line cabinet 2 and frequency converter 3 are fixedly mounted on to the variety of issue bringing in power distribution room, do not need by excavating cable trough, laying stube cable is connected with on-the-spot motor, be particularly useful for frequency converter and the roving occasion of motor needs in the projects such as mine, and the casing 1 of enclosed construction also can be protected inner frequency converter 3, make frequency converter 3 in the interior relative clean clean environment of casing 1, prevent that mine etc. is compared with the normal use of the air impact frequency converter 3 of adverse circumstances, can realize frequency converter reusing in different job sites, meet environment instructions for use out of doors, reduce the performance requirement of construction to frequency converter, can reduce construction cost and lifting construction efficiency, have how scene is reused, on-the-spot installation simply, compact conformation, transporting and hoisting is convenient, wiring is swift to operate, the advantage of applied range.
As shown in Figure 2, incoming line cabinet 2 comprises isolating switch 21 and medium voltage breaker 22, junction box unit 11 comprise be installed on casing 1 in compress into line case 111, extrusion line case 112 and low pressure junction box 113, the input of isolating switch 21 by cable with in compress into line case 111 and be connected, the output of isolating switch 21 is connected with the input of frequency converter 3 by medium voltage breaker 22, the output of frequency converter 3 is connected with middle extrusion line case 112 by cable, and the control end of medium voltage breaker 22, the control end of frequency converter 3 are connected with low pressure junction box 113 by cable respectively.In working order, in compress into line case 111 and introduce the AC power of 10KV, in the time of isolating switch 21 and medium voltage breaker 22 path, both can make frequency converter 3 export the power supply of assigned frequency and export to controlled motor by middle extrusion line case 112 by execute-in-place frequency converter 3, the control end that simultaneously can also remote control signal be passed through by host computer to low pressure junction box 113, cable input converter 3, makes frequency converter 3 under Long-distance Control, export the power supply of assigned frequency and exports to controlled motor by middle extrusion line case 112.
The front side of compressing into line case 111, extrusion line case 112 and low pressure junction box 113 as shown in Figure 3, is equipped with outer shrouding 114.In the present embodiment, the edge folding waterproof edges of outer shrouding 114, outer shrouding 114 adopts bolt to fix around, can print " Keep Clear-High Voltage " or " charged danger " printed words above; In addition, outer shrouding 114 can also adopt the mode of hinge to compress on line case 111, extrusion line case 112 and low pressure junction box 113 in being connected to as required, can also further adopt electromagnetic lock to prevent that outer shrouding 114 from arbitrarily being opened, in guaranteeing, compress into line case 111, extrusion line case 112 and low pressure junction box's 113 safety.
As shown in figures 1 and 3, the chamber door 12 of the present embodiment is sliding door, thereby can adapt to situation about using in narrow occasion, and the upside of chamber door 12 is provided with waterproof flanging 121, to meet water resistance, prevents that chamber door 12 places from leaking.In addition, chamber door 12 can also adopt folding door, single open-door or double door etc. as required.
As shown in Figure 1, Figure 3 and Figure 4, casing 1 is made up of base 101, cabinet shell 102 and top cover 103, and cabinet shell 102 lower ends are connected with base 101, upper end is connected with top cover 103.In the present embodiment, the skeleton of base 101 adopts channel-section steel welding to make, and guarantees that base 101 has stronger intensity, guarantees that casing 1 is sturdy and durable in transport and use procedure; Cabinet shell 102 adopts composite plate to make, the duplex plating zine plate 1031 that top cover 103 accompanies insulation material layer 1032 by centre is made, can guarantee that casing 1 alleviates box weight on the basis that ensures outer cover intensity, convenient transport and lifting, and the top cover 103 duplex plating zine plate that accompanies insulation material layer in the middle of adopting is made and can also in the time of operation, be prevented that the sun is exposed to the sun and cause the excess Temperature of casing 1 inside.In addition, in the present embodiment, the skeleton of base 101 adopts channel-section steel welding (specifically adopting 20# channel-section steel) to make, and the bottom of base 101 seals completely, to reach good waterproof effect.In the present embodiment, the length of casing 1 is 8000mm, and width is 3000mm.
As shown in Figure 5, be provided with multiple cable troughs 115 in casing 1, the cable of compressing into line case 111, extrusion line case 112 and low pressure junction box 113 in being connected in casing 1 is arranged in respectively cable trough 115.In the present embodiment, in casing 1, be provided with multiple cable troughs 115 and specifically comprise cable trough 115(#1 of high pressure), cable trough 115(#2 of low pressure) and linear quadratic control cable trough 115(#3), according to the functional type of compressing into line case 111, extrusion line case 112 and low pressure junction box's 113 cable in being connected in casing 1 layout of classifying, can effectively avoid the electromagnetic interference between cable.
As shown in Fig. 1 and Fig. 6, the top of frequency converter 3 is provided with cooling fan 4, the inlet side of cooling fan 4 is connected with the shell of frequency converter 3, the air draft side of cooling fan 4 is communicated with the air outlet 14 being installed on casing 1 by heat radiating air duct 41, on casing 1, be also provided with air inlet 13, air inlet 13 and air outlet 14 are equipped with air cleaner or filter screen.Because casing 1 is enclosed construction, frequency converter 3 is placed in totally enclosed casing 1, only by air inlet 13 air intakes with air cleaner or filter screen, the cooling fan 4 at frequency converter 3 tops directly outputs to hot-air outside the air outlet 14 of casing 1 by special heat radiating air duct 41, air outlet 14 places are provided with air cleaner or filter screen, thereby can guarantee that heat that frequency converter 3 produces can be discharged the outside of casing 1 in time, prevent the excess Temperature of casing 1 inside, but also can realize water proof and dust proof, can keep the interior clean clean air ambient of casing 1, ensure that frequency converter 3 can normally use under environment out of doors.In the present embodiment, the top of frequency converter 3 is provided with two cooling fans 4, and corresponding 13 and 2 air outlets 14 of 2 air inlets that are provided with, also can adjust the quantity that cooling fan 4, air inlet 13 and air outlet 14 are set in addition as required.
Referring to Fig. 1 and Fig. 3, in the present embodiment, be equipped with bucker 15 at the upside of air outlet 14 and air inlet 13.Bucker 15 can prevent in the time of operation that rainwater etc. from entering in casing 1 along air outlet 14 and air inlet 13, can effectively protect the safety of frequency converter 3.
As shown in Fig. 1, Fig. 5 and Fig. 6, in casing 1, be provided with illuminating lamp 51 and for controlling the lighting case 5 of illuminating lamp 51.In the time that the equipment in casing 1 carries out upkeep operation, can conveniently control the illuminating lamp in casing 1 by lighting case 5, make the more convenient to operate of upkeep operation.
The above is only preferred implementation of the present utility model, and protection range of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. the motor frequency conversion device of a skid-mounted type structure, it is characterized in that: comprise the casing (1) of enclosed construction and be located at incoming line cabinet (2), the frequency converter (3) in casing (1), described casing (1) is provided with junction box unit (11) and chamber door (12), between described incoming line cabinet (2) and frequency converter (3), interconnect, and described incoming line cabinet (2), frequency converter (3) are connected with the junction box unit (11) on casing (1) by cable.
2. the motor frequency conversion device of skid-mounted type structure according to claim 1, it is characterized in that: described incoming line cabinet (2) comprises isolating switch (21) and medium voltage breaker (22), described junction box unit (11) comprise be installed on casing (1) in compress into line case (111), middle extrusion line case (112) and low pressure junction box (113), the input of described isolating switch (21) by cable with in compress into line case (111) and be connected, the output of described isolating switch (21) is connected with the input of frequency converter (3) by medium voltage breaker (22), the output of described frequency converter (3) is connected with middle extrusion line case (112) by cable, the control end of described medium voltage breaker (22), the control end of frequency converter (3) is connected with low pressure junction box (113) by cable respectively.
3. the motor frequency conversion device of skid-mounted type structure according to claim 2, is characterized in that: the front side of compressing into line case (111), extrusion line case (112) and low pressure junction box (113) in described is equipped with outer shrouding (114).
4. the motor frequency conversion device of skid-mounted type structure according to claim 3, it is characterized in that: in described casing (1), be provided with multiple cable troughs (115), the cable of compressing into line case (111), extrusion line case (112) and low pressure junction box (113) in being connected in described casing (1) is arranged in respectively cable trough (115).
5. according to the motor frequency conversion device of the skid-mounted type structure described in claim 1 or 2 or 3 or 4, it is characterized in that: the top of described frequency converter (3) is provided with cooling fan (4), the inlet side of described cooling fan (4) is connected with the shell of frequency converter (3), the air draft side of described cooling fan (4) is communicated with the air outlet (14) being installed on casing (1) by heat radiating air duct (41), on described casing (1), be also provided with air inlet (13), described air inlet (13) and air outlet (14) are equipped with air cleaner or filter screen.
6. the motor frequency conversion device of skid-mounted type structure according to claim 5, is characterized in that: the upside of described air inlet (13) and air outlet (14) is equipped with bucker (15).
7. the motor frequency conversion device of skid-mounted type structure according to claim 6, is characterized in that: in described casing (1), be provided with illuminating lamp (51) and for controlling the lighting case (5) of illuminating lamp (51).
8. the motor frequency conversion device of skid-mounted type structure according to claim 7, is characterized in that: described chamber door (12) is sliding door, and the upside of described chamber door (12) is provided with waterproof flanging (121).
9. the motor frequency conversion device of skid-mounted type structure according to claim 8, it is characterized in that: described casing (1) is made up of base (101), cabinet shell (102) and top cover (103), described cabinet shell (102) lower end is connected with base (101), upper end is connected with top cover (103).
10. the motor frequency conversion device of skid-mounted type structure according to claim 9, it is characterized in that: the skeleton of described base (101) adopts channel-section steel welding to make, described cabinet shell (102) adopts composite plate to make, and the duplex plating zine plate (1031) that described top cover (103) accompanies insulation material layer (1032) by centre is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271476.4U CN203859672U (en) | 2014-05-26 | 2014-05-26 | Motor frequency converting device with skid-mounted structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271476.4U CN203859672U (en) | 2014-05-26 | 2014-05-26 | Motor frequency converting device with skid-mounted structure |
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| CN203859672U true CN203859672U (en) | 2014-10-01 |
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| CN201420271476.4U Active CN203859672U (en) | 2014-05-26 | 2014-05-26 | Motor frequency converting device with skid-mounted structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590959A (en) * | 2015-01-05 | 2015-05-06 | 洛阳中重自动化工程有限责任公司 | Integrated mobile sinking hoist variable-frequency electric control system |
| CN104837322A (en) * | 2015-05-20 | 2015-08-12 | 成都德麦科技有限公司 | Air cooling control cabinet with inlet box having drying function |
| WO2022048021A1 (en) * | 2020-09-01 | 2022-03-10 | 青岛中加特电气股份有限公司 | Vehicle-mounted inverter skid |
-
2014
- 2014-05-26 CN CN201420271476.4U patent/CN203859672U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590959A (en) * | 2015-01-05 | 2015-05-06 | 洛阳中重自动化工程有限责任公司 | Integrated mobile sinking hoist variable-frequency electric control system |
| CN104837322A (en) * | 2015-05-20 | 2015-08-12 | 成都德麦科技有限公司 | Air cooling control cabinet with inlet box having drying function |
| WO2022048021A1 (en) * | 2020-09-01 | 2022-03-10 | 青岛中加特电气股份有限公司 | Vehicle-mounted inverter skid |
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