CN211509528U - Frequency converter box and variable frequency speed regulation all-in-one machine - Google Patents
Frequency converter box and variable frequency speed regulation all-in-one machine Download PDFInfo
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- CN211509528U CN211509528U CN202020144034.9U CN202020144034U CN211509528U CN 211509528 U CN211509528 U CN 211509528U CN 202020144034 U CN202020144034 U CN 202020144034U CN 211509528 U CN211509528 U CN 211509528U
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Abstract
The utility model provides a frequency converter box and frequency conversion speed regulation all-in-one machine, the frequency converter box comprises a lower box body, a C-shaped upper cover, the C-shaped upper cover is buckled with the top edge of the lower box body to form a sealing structure, at least one U-shaped fixing strip is arranged on a bottom plate in the lower box body, an n-shaped support and a mounting plate, a ring transformer and a capacitor are arranged in the lower box body, the ring transformer is positioned below the n-shaped support, an insulating plate for placing a driving unit is arranged above the capacitor, a support is arranged on a side plate for arranging a connecting port outside the lower box body, a radiator is arranged on the support, the radiator is arranged on the connecting port and is connected with the lower box body in a sealing way, an IGBT module and a rectifier module which are positioned in the lower box body are arranged on the side plate for arranging the connecting port on the lower box body, the frequency conversion speed regulation all, the frequency converter box is good in water resistance, high in protection level, good in heat dissipation performance, compact in internal arrangement of the frequency converter and capable of saving installation space.
Description
Technical Field
The utility model relates to a converter technical field especially relates to a converter box and Variable Frequency Speed Governing (VFSG) all-in-one.
Background
The frequency conversion and speed regulation integrated machine is a fusion of a frequency converter and a motor, can be applied to equipment such as a scraper conveyer, a reversed loader, a belt conveyor, an emulsion pump station, a winch, a fan and the like, solves the problems of small user space, large starting torque, large power grid impact, less electromagnetic interference, low energy consumption, high efficiency and the like, and when applied in some special environments, the frequency conversion and speed regulation integrated machine is frequently required to have the functions of small size, light weight, dust prevention, water prevention and the like, the frequency conversion part of the existing frequency conversion and speed regulation integrated machine is usually arranged above the motor, components in the frequency converter are tiled in the frequency converter, the components are connected by wires, the spacing between the components is large, the arrangement of the components is not compact, the occupied space is large, the length and the width of the frequency converter are large, the frequency converter is heavy, the requirements of small size and light weight cannot be met, need design special frock of lifting by crane to lift by crane, it is with high costs, inefficiency, components and parts installation is inconvenient in the converter, leads to installation time longer, and work efficiency is lower, and moreover, converter box waterproof nature is relatively poor, and protection level is low, can't satisfy high waterproof level operational environment's requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above technical problem, a components and parts compactness of arranging is proposed, and is small, good heat dissipation, converter box and variable frequency speed governing all-in-one that waterproof performance is good.
In order to achieve the above object, the utility model discloses a technical scheme be:
a frequency converter box body comprises a lower box body with an opening at the top,
the top of the lower box body is provided with a C-shaped upper cover, and the C-shaped upper cover is buckled with the edge of the top of the lower box body to form a sealing structure;
at least one U-shaped fixing strip for positioning components, an n-shaped support frame for placing the components and a mounting plate are arranged on a bottom plate in the lower box body, and the U-shaped fixing strip is arranged on the bottom plate in the lower box body in an inverted manner;
the lower box body is internally provided with a reactor, a contactor, an annular transformer and a capacitor which are positioned on the U-shaped fixing strip, the annular transformer is positioned below the n-shaped supporting frame, the lower box body is internally provided with a current transformer positioned on the mounting plate, and an insulating plate for placing a driving unit is arranged above the capacitor;
the radiator is arranged on the side plate of the connecting port, an IGBT module and a rectifier module are arranged on the side plate of the connecting port, and the IGBT module and the rectifier module are positioned in the lower box body.
Preferably, the top of the lower box body is provided with a vertical edge formed by bending a side plate of the lower box body, a sealing ring is arranged at the top of the vertical edge, a fixing plate positioned on the outer side of the vertical edge is arranged at the top of the lower box body, and the C-shaped upper cover is detachably and fixedly connected with the fixing plate.
Preferably, the radiator comprises at least one fan arranged at the lower part of the radiator, and at least one obliquely arranged fan is arranged below the IGBT module and the rectifier module.
Preferably, the end of the fan far away from the heat sink is higher than the end close to the heat sink.
Preferably, a junction box for incoming and outgoing lines is arranged on one side plate in the lower box body, and the junction box is adjacent to the reactor.
Preferably, the contactor is connected with the reactor through a copper bar.
Preferably, the current transformer is arranged adjacent to the IGBT module.
Preferably, a drying agent box for placing a drying agent is arranged on the inner side plate of the lower box body.
Preferably, a heat-conducting silicone grease layer is arranged between the radiator and the IGBT module and between the radiator and the rectifier module.
A frequency conversion and speed regulation integrated machine comprises a motor and a frequency converter arranged on the motor, wherein the frequency converter comprises a frequency converter box body as in any one of the above.
Compared with the prior art, the beneficial effects of the utility model reside in that:
a frequency converter box body comprises a lower box body with an opening at the top, and a C-shaped upper cover which is buckled with the top edge of the lower box body to form a sealing structure is arranged, so that the frequency converter box body has good waterproof performance and high protection level, a U-shaped fixing strip, an n-shaped supporting frame, a mounting plate and an insulating plate are arranged on a bottom plate in the lower box body and are used for mounting components, the components are extended in the height direction in the mounting process, the defects of limited width and length of the frequency converter box body are overcome, the mounting space is saved, the volume of the frequency converter is reduced, the mounting time is shortened, the working efficiency is improved, a connecting port is arranged on a side plate of the lower box body, a support is arranged on the side plate of the connecting port outside the lower box body, a radiator is arranged on the support, the radiator is arranged on the connecting port and is in sealing connection, the IGBT module and the rectifier module are arranged in the lower box body, so that the radiator can cool the IGBT module and the rectifier module with high heat productivity conveniently.
The top of the lower box body is provided with a vertical edge formed by bending a side plate of the lower box body, the top of the vertical edge is provided with a sealing ring, the top of the lower box body is provided with a fixed plate positioned on the outer side of the vertical edge, and the C-shaped upper cover is detachably and fixedly connected with the fixed plate, so that a sealing structure is formed by the C-shaped upper cover and the lower box body, and the waterproof structure is convenient and simple;
the fan is arranged at the lower part of the radiator, the IGBT module and the rectifier module are integrally radiated by utilizing the fan to blow air upwards, the fan which is obliquely arranged is arranged below the IGBT module and the rectifier module, and one end of the fan, which is far away from the radiator, is higher than one end of the fan, which is close to the radiator, so that the fan blows air obliquely towards the bottoms of the IGBT module and the rectifier module, the air flow is increased, the cooling effect of the air-cooled radiator is enhanced, and the water vapor in the air can be prevented from being condensed;
set up the terminal box that is used for business turn over line on a curb plate in the lower box, the terminal box is adjacent with the reactor, the contactor passes through the copper bar with the reactor and is connected, current transformer sets up with the IGBT module is adjacent, through rationally arranging components and parts, make the inside compactness of arranging of converter, practice thrift the space, can reduce the box volume, the wiring of being convenient for, be equipped with the drying agent box of placing the drier on the curb plate in the lower box, make the drier dry to the air, prevent the vapor condensation in the air, be equipped with heat conduction silicone grease layer between radiator and IGBT module and rectifier module, make radiator and IGBT module and rectifier module fully contact, be convenient for transfer the heat.
A frequency conversion and speed regulation integrated machine comprises a motor and a frequency converter arranged on the motor, wherein the frequency converter comprises a frequency converter box body as described above, and a C-shaped upper cover which is buckled with the top edge of a lower box body to form a sealing structure is arranged, so that the frequency converter box body has good waterproof performance and high protection grade, a U-shaped fixing strip, an n-shaped supporting frame, a mounting plate and an insulating plate are arranged on a bottom plate in the lower box body and used for mounting components, the components are extended in the height direction during mounting, the defect that the width and the length of the frequency converter box body are limited is overcome, the mounting space is saved, the size of the frequency converter is reduced, the mounting time is reduced, the working efficiency is improved, a connecting port is arranged on the lower box body, a support is arranged on a side plate on which the connecting port is arranged outside the lower box body, a radiator is arranged on the support, the side plate of the connecting port is provided with the IGBT module and the rectifier module, and the IGBT module and the rectifier module are arranged in the lower box body, so that the radiator can cool the IGBT module and the rectifier module with high heat productivity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a frequency converter box according to the present invention;
fig. 2 is a cross-sectional view of another embodiment of a frequency converter case according to the present invention;
FIG. 3 is an enlarged view of a portion of the case of the frequency converter shown in FIG. 2 at A;
fig. 4 is a partial schematic view of another embodiment of a frequency converter box according to the present invention;
fig. 5 is a partial schematic view of another embodiment of a frequency converter box according to the present invention;
fig. 6 is a partial schematic view of another embodiment of a frequency converter box according to the present invention;
fig. 7 is a schematic structural diagram of an embodiment of the reactor and the contactor according to the present invention;
fig. 8 is a schematic structural diagram of an embodiment of the IGBT module and the rectifier module according to the present invention.
In the above figures, 11, the lower box; 12. a C-shaped upper cover; 13. a vertical edge; 14. a seal ring; 15. a fixing plate; 16. a connecting port; 2. a heat sink; 21. a fan; 31. a support; 4. a junction box; 51. a reactor; 52. a contactor; 53. a toroidal transformer; 54. a capacitor; 55. a current transformer; 56. a drive unit; 57. an IGBT module; 58. a rectification module; 6. an n-shaped support frame; 61. a U-shaped fixing strip; 62. mounting a plate; 7. an insulating plate; 8. a desiccant box; 9. fan, 91, fan bracket; 10. copper bars are arranged.
Detailed Description
The present invention is specifically described 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", "left", "right", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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.
Referring to fig. 1-8, a frequency converter box body is formed by bending and welding 2.5mm metal plates and comprises a lower box body 11 with an open top.
Be equipped with at least one U-shaped fixed strip 61 that is used for components and parts location on the bottom plate in box 11 down, a n shape support frame 6 of placing components and parts, a mounting panel 62, U-shaped fixed strip 61 back-off is on box 11 bottom plate down, can be welded fastening on box 11 bottom plate down, is equipped with the through-hole on U-shaped fixed strip 61 bottom plate, and U-shaped fixed strip 61 through-hole department has set firmly the nut, can be the nut riveting in the U-shaped fixed strip.
Be provided with reactor 51 that is located on U-shaped fixed strip 61 in box 11 down, contactor 52, toroidal transformer 53, condenser 54, be provided with current transformer 55 that is located on mounting panel 62 in the box 11 down, toroidal transformer 53 is located n shape support frame 6 below, contactor 52 sets up with reactor 51 is adjacent, reactor 51 passes through copper bar 10 with contactor 52 and is connected, make two components closely arrange, the wiring is firm reliable, condenser 54 top is equipped with insulation board 7 of placing drive unit 56, can save space, set up terminal box 4 that is used for business turn over line on the box curb plate down, terminal box 4 is adjacent with reactor 51, it is continuous with reactor 51 to be convenient for the cable to pass terminal box 4.
The radiator 2 comprises at least one fan 21, the fans 21 are fixedly arranged at the bottom of the radiator, the fans can be four fans arranged in a row, the fans 21 blow air upwards, so that the radiator 2 can cool the IGBT module 57 and the rectifier module 58 conveniently, two fan supports 91 are arranged below the IGBT module 57 and the rectifier module 58, the fan supports 91 can be arranged on a bottom plate in the lower box body or on a side plate of the radiator for mounting the IGBT module 57, the fan supports are positioned in the lower box body, the fan 9 is arranged on the fan supports 91, the fan 9 is obliquely arranged, one end, away from the radiator, of the fan 9 is higher than one end, close to the radiator, of the fan 9, so that the fan 9 obliquely blows towards the bottoms of the IGBT module and the rectifier module, air flow is increased, the cooling effect of the air-cooled radiator is enhanced, the integral heat dissipation of the IGBT module and the rectifier module is facilitated, and water vapor in air can be prevented from being condensed; current transformer 55 and IGBT module 57 are adjacent to each other and set up, and the IGBT module output cable of being convenient for directly gets into below motor casing through current transformer 55 downwards, walks the line simple, and it is convenient to install, and condenser 54 sets up with rectifier module 58 is adjacent, and the wiring of being convenient for saves space.
The top of the lower box body 11 is provided with a C-shaped upper cover 12, the C-shaped upper cover 12 is buckled with the top edge of the lower box body to form a sealing structure, the top of the lower box body is provided with a vertical edge 13 formed by bending a side plate of the lower box body, the top of the vertical edge 13 is provided with a sealing ring 14, the top of the lower box body is provided with a fixing plate 15, the fixing plate 15 can be welded on the lower box body 11, the fixing plate is positioned outside the vertical edge 13, the C-shaped upper cover is detachably and fixedly connected with the fixing plate 15, the C-shaped upper cover is fixed on the lower box body 11, when the C-shaped upper cover 12 is buckled on the lower box body 11, the vertical edge 13 is positioned in the C-shaped upper cover, the top of the sealing ring 14 is in close contact with the inner wall of the C-shaped upper cover to form a sealing structure, so that the frequency converter box body has good water resistance and high protection level, the fixing plate 15 and, structural strength is high, makes upper cover lower part and lower box 11 top pass through the face contact simultaneously, prevents that the upper cover warp.
Be equipped with the desiccant box 8 of placing the drier on the box inside plate down for the drier is dried the air, can prevent the vapor condensation in the air.
The utility model also provides a frequency conversion speed regulation all-in-one machine, including the motor and set up the converter on the motor, the converter includes the converter box as above, through setting up the C shape upper cover that forms seal structure with the top edge lock of lower box, make the converter box waterproof performance good, the protection level is high, through set up U-shaped fixed strip on the bottom plate in the lower box, n-shaped support frame, the mounting panel, the insulation board, be used for installing components and parts, make components and parts install and extend in the direction of height, compensate the limited deficiency of converter box width and length, save the installation space, reduce the volume of converter, reduce installation time, improve work efficiency, through being equipped with the connector on the lower box, set up a support on the curb plate that sets up a curb plate outside the lower box outside, be equipped with the radiator on the support, the radiator is located on the connector and with lower box sealing connection, the side plate of the connecting port is provided with the IGBT module and the rectifier module, and the IGBT module and the rectifier module are arranged in the lower box body, so that the radiator can cool the IGBT module and the rectifier module with high heat productivity.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. A frequency converter box body comprises a lower box body (11) with an opening at the top, and is characterized in that,
the top of the lower box body (11) is provided with a C-shaped upper cover (12), and the C-shaped upper cover (12) is buckled with the top edge of the lower box body to form a sealing structure;
at least one U-shaped fixing strip (61) for positioning the components, an n-shaped support frame (6) for placing the components and a mounting plate (62) are arranged on the bottom plate in the lower box body, and the U-shaped fixing strip is arranged on the bottom plate in the lower box body in an inverted manner;
a reactor (51), a contactor (52), an annular transformer (53) and a capacitor (54) which are positioned on a U-shaped fixing strip (61) are arranged in the lower box body, the annular transformer is positioned below the n-shaped supporting frame (6), a current transformer (55) positioned on a mounting plate (62) is arranged in the lower box body, and an insulating plate (7) for placing a driving unit (56) is arranged above the capacitor (54);
be equipped with connector (16) on the lower box curb plate set up connector (16) outside the lower box set up a support (31) on the curb plate, be equipped with radiator (2) on support (31), radiator (2) are located on connector (16) and with lower box sealing connection, radiator (2) are located and are equipped with IGBT module (57) and rectifier module (58) on the curb plate of connector (16), IGBT module (57) and rectifier module (58) are located box (11) down.
2. The frequency converter box body according to claim 1, characterized in that the top of the lower box body is provided with a vertical edge (13) formed by bending the side plate of the lower box body, a sealing ring (14) is arranged on the top of the vertical edge (13), a fixing plate (15) is arranged on the outer side of the vertical edge (13) on the top of the lower box body, and the C-shaped upper cover (12) is detachably and fixedly connected with the fixing plate (15).
3. A frequency converter cabinet according to claim 1, characterized in that the radiator (2) comprises at least one fan (21) arranged in the lower part of the radiator, and at least one obliquely arranged fan (9) is arranged below the IGBT module (57) and the rectifier module (58).
4. A frequency converter casing according to claim 3, characterized in that the end of the fan (9) remote from the radiator (2) is higher than the end close to the radiator (2).
5. A frequency converter cabinet according to claim 1, characterized in that a junction box (4) for incoming and outgoing lines is arranged on one side plate in the lower cabinet, and the junction box is adjacent to the reactor (51).
6. A converter cabinet according to claim 1, characterized in that the contactor is connected to the reactor via copper bars (10).
7. A frequency converter cabinet according to claim 1, characterized in that the current transformer (55) is arranged adjacent to an IGBT module (57).
8. The frequency converter box body according to claim 1, wherein a desiccant box (8) for placing a desiccant is arranged on the inner side plate of the lower box body.
9. A frequency converter casing according to claim 1, characterized in that a layer of thermally conductive silicone is provided between the heat sink (2) and the IGBT (57) and rectifier (58) modules.
10. A variable frequency speed regulation all-in-one machine comprises a motor and a frequency converter arranged on the motor, and is characterized in that the frequency converter comprises a frequency converter box body as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020144034.9U CN211509528U (en) | 2020-01-22 | 2020-01-22 | Frequency converter box and variable frequency speed regulation all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020144034.9U CN211509528U (en) | 2020-01-22 | 2020-01-22 | Frequency converter box and variable frequency speed regulation all-in-one machine |
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| Publication Number | Publication Date |
|---|---|
| CN211509528U true CN211509528U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020144034.9U Active CN211509528U (en) | 2020-01-22 | 2020-01-22 | Frequency converter box and variable frequency speed regulation all-in-one machine |
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| Country | Link |
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| CN (1) | CN211509528U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467899A (en) * | 2020-11-17 | 2021-03-09 | 青岛中加特电气股份有限公司 | Motor, frequency conversion all-in-one and well cementation device |
-
2020
- 2020-01-22 CN CN202020144034.9U patent/CN211509528U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467899A (en) * | 2020-11-17 | 2021-03-09 | 青岛中加特电气股份有限公司 | Motor, frequency conversion all-in-one and well cementation device |
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