CN216413532U

CN216413532U - Novel modularized active filter

Info

Publication number: CN216413532U
Application number: CN202123289814.6U
Authority: CN
Inventors: 张凤雏; 王雄; 陈东华; 沈雷明; 马皓扬
Original assignee: Jiangyin Sfere Electric Co ltd
Current assignee: Jiangyin Sfere Electric Co ltd
Priority date: 2021-12-25
Filing date: 2021-12-25
Publication date: 2022-04-29
Anticipated expiration: 2031-12-25

Abstract

The modular active filter of the present invention comprises: the left side casing is fixed to the left end of the main casing body, the right side casing is fixed to the right end, the top lid establishes the upper cover, is equipped with operating panel functional area and louvre on the casing of left side, and the internal rational arrangement of main casing has the part: the power strip fixed plate, the fin fixed plate, electric capacity shock attenuation support bar, the net gape fixed plate, the installing support, the fan fixed bolster, a handle, the fin, the fan, the power strip insulation board, the power strip, the IGBT board, the electric capacity board insulation board, the electric capacity board, the inductance board, the control panel, the sampling board, the net gape board, A looks, B looks and C looks advance the electric copper bar, the main electricity terminal that advances, N looks copper bar and inductance overlap joint row, the bottom is the fin in the module, the inductance board, the sampling board, the middle level is the IGBT board, the net gape board, the top layer is the electric capacity board, the side is erect power strip and control panel, well-arranged structural design, make in the module arrange regularly, beautifully and can greatly reduce area occupied, the overall arrangement of messenger is reasonable safety more.

Description

Novel modularized active filter

Technical Field

The utility model relates to the technical field of active filters, in particular to a novel modularized active filter.

Background

Most of the active filter modules in the market are in the form of cabinets, the cabinets are high in cost, large in size and difficult to carry and install, and the independent modular active filters become the development trend.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems and the defects in the prior art, the utility model provides a novel modularized active filter.

The utility model solves the technical problems through the following technical scheme:

the utility model provides a novel modularized active filter which is characterized by comprising a main shell, wherein the left end of the main shell is fixed with a left shell, the right end of the main shell is fixed with a right shell, and a top cover is arranged on a top end cover;

a power panel fixing plate is fixed on the left side face of the front end inside the main shell, a power panel insulating plate and a power panel are sequentially fixed on the power panel fixing plate, the power panel insulating plate and the power panel are vertically arranged, two radiating fin fixing plates are fixed between the upper portions of the two side faces of the left side of the main shell, a plurality of radiating fins which are longitudinally arranged at intervals are hung at the bottoms of the two radiating fin fixing plates, a plurality of capacitance damping supporting bars which are longitudinally arranged at intervals are fixed at the bottom in the left side of the main shell, the capacitance damping supporting bars and the radiating fins are arranged in a staggered manner, a fan fixing support is fixed between the tops of the two side faces of the left end of the main shell, a plurality of fans are fixed on the fan fixing support, the fans are sequentially arranged in a cavity which is enclosed by the main shell and the fan fixing support, and are positioned on the left sides of the radiating fins, an IGBT plate is fixed at the middle position of the top of each radiating fin, a capacitor plate insulating plate is fixed at the top of each radiating fin except the middle position, a capacitor plate is fixed on each capacitor plate insulating plate, and each capacitor plate is positioned above the corresponding IGBT plate;

a control panel and a net port fixing plate are fixed on the right side face of the front end inside the main shell, a net port plate is fixed on the net port fixing plate, an insulating plate is fixed on the right side of the inner bottom of the main shell, a sampling plate is fixed at the front end of the insulating plate, an inductance plate is fixed at the rear end of the insulating plate, the control panel and the net port plate are both electrically connected with the sampling plate, and communication terminals and net port terminals on the sampling plate and the net port plate are both embedded on the right side shell;

the right-hand member of insulation board is fixed with A and advances electric copper bar mutually, B advances electric copper bar mutually and C advances electric copper bar mutually, the rear end of insulation board is fixed with N looks copper bar, it advances electric terminal to inlay on the casing of right side and is equipped with the owner, main one side that advances electric terminal is located the main casing, the opposite side is located outside the main casing, A advances electric copper bar mutually one end and is connected with the inductance board, the other end and advances one side of electric terminal to be connected, B advances electric copper bar mutually one end and inductance board one end and is connected, the other end and main one side of advancing electric terminal are connected with the inductance board, the other end and main one side of advancing electric terminal of C advancing electric copper bar mutually are connected, the one end and the main electric terminal of advancing of N looks copper bar are connected, the other end and capacitance board are connected, the one end and the capacitance board that inductance overlap joint was arranged are connected, the other end and inductance board are connected.

Preferably, an operation panel is adhered to the function area of the operation panel, and the heat dissipation holes in the left shell are honeycomb-shaped and are distributed in an octagonal shape.

Preferably, a first press riveting stud with the length of 6mm is fixed at the bottom in the main shell, a second press riveting stud with the length of 19.9mm is fixed at the inner side surface, and long-strip-shaped heat dissipation holes on the side edges are formed in the opposite sides of the main shell.

Preferably, an insulating plate is fixed on the right side of the inner bottom of the main shell through a first press riveting stud, and a control plate is fixed on the right side of the front end of the inner part of the main shell through a second press riveting stud.

Preferably, the heat dissipation holes formed in the right side shell are rhombic, the right side shell is provided with a grounding terminal, and the grounding terminal is externally grounded.

Preferably, the rivet pressing studs at the four corners of the power board fixing plate are connected with the side through holes of the main shell, and the rivet pressing studs at the four corners of the power board insulating plate are connected with the through holes of the power board.

Preferably, the heat sink is composed of a horizontal fixing plate and a rack-type heat sink positioned below the horizontal fixing plate, and the horizontal fixing plate is fixed to the bottoms of the two heat sink fixing plates by bolts.

Preferably, the top of the horizontal fixing plate is fixed with the corresponding IGBT board by screw connection, and four corners of each horizontal fixing plate are fixed with the capacitor board by copper studs.

Preferably, the capacitance shock absorption support bar comprises a capacitance shock absorption support bar mounting plate and a 3M self-adhesive pad adhered on the capacitance shock absorption support bar mounting plate.

Preferably, mounting brackets are fixed to two ends of the outer side surface of the main housing, and handles are fixed to two ends of the outer side surface of the left housing.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the utility model.

The positive progress effects of the utility model are as follows:

this kind of novel active filter of modularization design, inside utilizes the pressure to rivet various circuit boards of double-screw bolt and fix with screw, and the bottom is the fin, the inductance board, the sampling board, and the middle level is IGBT board, net gape board, and the top layer is the electric capacity board, and the side is erect and is electric power board and control panel, this kind of well-defined structural design in level, especially electric capacity board flip-chip, and electric power board and control panel are erected and are adorned for arrange regularly in the module, pleasing to the eye and can greatly reduce area occupied, the overall arrangement of messenger is reasonable safety more. The shell is externally provided with a mounting bracket which can be used for independent mounting, and the mounting modes of horizontal mounting and vertical mounting can allow customers to have more choices.

Drawings

FIG. 1 is a schematic view of a left side housing;

FIG. 2 is a schematic view of the main housing;

FIG. 3 is a schematic view of the structure of the upper cover;

FIG. 4 is a schematic view of the right side housing;

FIG. 5 is a schematic view of the installation of the power board fixing plate, the power board insulating plate and the power board;

FIG. 6 is a schematic view of the mounting of the heat sink mounting plate and heat sink;

FIG. 7 is a schematic view of the installation of the capacitive shock absorbing brace;

FIG. 8 is a schematic view of the mounting of the fan mounting bracket and fan;

FIG. 9 is a schematic view of the installation of an IGBT board;

FIG. 10 is a schematic view of the installation of the capacitor plate insulating plate and capacitor plate;

FIG. 11 is a schematic view of the structural installation of a control board, a port board and a sampling board;

FIG. 12 is a schematic view of the installation of the phase A, B, C, N and inductor lap bars;

fig. 13 is a schematic view of the installation of the main power feeding terminal;

FIG. 14 is a schematic view of a module assembly;

FIG. 15(a) is a schematic view showing a rack mounting manner, and FIG. 15(b) is a schematic view showing a rack mounting manner;

FIG. 16 is a schematic view of a module body, human-machine interface HMI, and patch cord;

fig. 17 is an exploded view of the novel modular active filter.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1, an operation panel functional area 1a is arranged on the left casing 1, a heat dissipation hole 1b is formed in the left casing 1, an operation panel 12 is pasted on the operation panel functional area 1a, the heat dissipation hole 1b is mostly cellular and is distributed in an octagonal shape, and a display lamp and a button are arranged on the operation panel 12.

As shown in fig. 2, a 6mm long press riveting stud 2a is fixed at the bottom in the main housing 2, a 19.9mm long press riveting stud 2b is fixed at the inner side surface, and strip-shaped heat dissipation holes 2d on the side edges are formed in the opposite sides of the main housing 2, so that the heat dissipation inside the module is increased to the maximum extent. The rivet pressing stud 2a is used for fixing the insulating plate 19, the rivet pressing stud 2b is used for fixing the control plate 22, and the left side shell 1 is fixed at the left end of the main shell 2.

As shown in fig. 3, the upper cover 3 is designed to be a single cover plate, so that the upper cover 3 can be conveniently disassembled, assembled and replaced, and the main shell 2 is covered by the upper cover 3.

As shown in fig. 4, the right casing 4 is used for the rear end connection communication of the active filter module, a main power input terminal connection part 4a is formed on the right casing 4, and the main power input terminal connection part 4a is used for installing a main power input terminal; a net port communication connection part 4b is formed on the right shell 4, and the net port communication connection part 4b is internally connected with a net port, a communication terminal, an external connecting net wire and a communication cable on the sampling plate 23 and the net port plate 24; the heat dissipation holes 4c formed in the right side shell 4 are rhombic, and heat dissipation holes are fully distributed at the air outlet to the maximum extent, so that the heat dissipation of the internal module is maximum; be equipped with ground terminal 4d on the right side casing 4, ground terminal 4d is outside ground connection, makes things convenient for outside wiring and operator safety of operation, and the right-hand member of main casing body 2 is fixed with right side casing 4.

As shown in fig. 5, a power panel fixing plate 5 is fixed on the left side surface of the front end inside the main housing 2, a power panel insulating plate 15 and a power panel 16 are sequentially fixed on the power panel fixing plate 5, the power panel insulating plate 15 and the power panel 16 are all vertically arranged, the rivet pressing studs 5a at the four corners of the power panel fixing plate 5 are connected with the side through holes of the main housing 2, the rivet pressing studs 5b at the four corners of the power panel insulating plate 15 are connected with the through holes of the power panel 16, and thus the power panel is fixed inside the main housing through a specific fixing structure.

As shown in fig. 6, two fin fixing plates 6 are fixed between upper portions of both left side surfaces of the main casing 2, a plurality of fins 13 are hung from bottom portions of the two fin fixing plates 6 at intervals in the longitudinal direction, the fins 13 are composed of a horizontal surface fixing plate 13a and rack-shaped fins 13b located below the horizontal surface fixing plate 13a, and the horizontal surface fixing plate 13a is fixed to bottom portions of the two fin fixing plates 6 by bolts 6 a.

As shown in fig. 7, the bottom is fixed with the electric capacity shock attenuation support bar 7 that a plurality of vertical intervals set up in the left side of main casing body 2, and electric capacity shock attenuation support bar 7 and fin 13 are crisscross to be set up, and electric capacity shock attenuation support bar 7 includes electric capacity shock attenuation support bar mounting panel 7b and bonds 3M from the sticky pad 7a on electric capacity shock attenuation support bar mounting panel 7b, and 3M is from sticky pad 7a and is used for the shock attenuation anticollision.

As shown in fig. 8, a fan fixing support 10 is fixed between the tops of the two side surfaces of the left end of the main casing 2, a plurality of fans 14 are fixed on the fan fixing support 10, the fans 14 are sequentially arranged in a cavity enclosed by the main casing 2 and the fan fixing support 10, the fans 14 are located on the left side of the heat dissipation fins 13, and the fans 14 can achieve the purpose of dissipating heat inside the main casing 2.

As shown in fig. 9, an IGBT board 17 is fixed at the middle position of the top of each horizontal fixing board 13a, the IGBT board 17 is fixed to the corresponding horizontal fixing board 13a by screws 17a, heat dissipation silicone grease is applied to the back surface before the IGBT board is fixed, a capacitor board insulating board 18 is fixed at the top of each horizontal fixing board 13a except the middle position, copper studs 20a are fixed at four corners of the capacitor board insulating board 18, and the copper studs 20a are used for supporting the capacitor board 20.

As shown in fig. 10, the four corners of each capacitor plate insulating plate fixedly support capacitor plates 20 by copper studs 20a, and capacitor plates 20 are located above corresponding IGBT plates 17.

As shown in fig. 11 and 17, a control board 22 is fixed on the right side of the front end inside the main housing 2 by a rivet pressing stud 2b, a net mouth fixing board 8 is fixed on the right side of the front end inside the main housing 2 by a bolt, a net mouth board 24 is fixed on the net mouth fixing board 8, the net mouth fixing board 8 is located on the right side of the control board 22, an insulating board 19 is fixed on the right side of the bottom inside the main housing 2 by a rivet pressing stud 2a, a sampling board 23 is fixed on the insulating board 19, an inductance board 21 is fixed on the front end, the control board 22 and the net mouth board 24 are both electrically connected with the sampling board 23, the sampling board 23 is provided with a communication terminal 23a and a net mouth terminal 23b, the net mouth board 24 is provided with a communication terminal 24a and a net mouth terminal 24b, the communication terminal 23a, the net mouth terminal 23b, the communication terminal 24a and the net mouth terminal 24b are all installed in cooperation with the net mouth communication connection 4b on the right housing 4, thereby constitute main casing 2 interior bottom be fin, inductance board, sampling board, the middle level be IGBT board, net gape board, the top layer is the electric capacity board.

As shown in fig. 12, 13 and 17, the right end of the insulating plate 19 is fixed with an a-phase power copper bar 25, a B-phase power copper bar 26 and a C-phase power copper bar 27, the rear end of the insulating plate 19 is fixed with an N-phase copper bar 29, a main power terminal 28 is embedded on the main power terminal connection portion 4a of the right casing 4, one side 28a of the main power terminal 28 is located inside the main casing 2, the other side 28B is located outside the main casing 2, one end 25a of the a-phase power copper bar 25 is connected with the inductance plate 21, the other end 25B is connected with one side 28a of the main power terminal 28, one end 26a of the B-phase power copper bar 26 is connected with the inductance plate 21, the other end 26B is connected with one side 28a of the main power terminal 28, one end 27a of the C-phase power copper bar 27 is connected with the inductance plate 21, the other end 27B is connected with one side 28a of the main power terminal 28, one end 29a of the N-phase copper bar 29 is connected with the capacitance plate 20, and the other end 29a is connected with the capacitance plate 20, The other end 29b is connected to one side 28a of main power input terminal 28, and one end 30a of inductor overlapping row 30 is connected to capacitor plate 20 and the other end 30b is connected to inductor plate 21. The other side 28b of the main incoming terminal 28 is used for customer outside wiring.

As shown in fig. 14, fig. 15(a) is a rack mounting manner, and fig. 15(b) is a wall mounting manner, and the two mounting manners can meet different mounting requirements of customers.

As shown in fig. 16, in the case of field wiring communication connection of the module, the novel modular active filter 101 is connected to a communication line 102 dedicated to the active filter, and the communication line 102 is connected to the human-machine interface HMI 103.

As shown in fig. 17, mounting brackets 9 are fixed to both ends of the outer side surface of the main housing, and handles 11 are fixed to both ends of the outer side surface of the left housing.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.

Claims

1. A novel modularized active filter is characterized by comprising a main shell, wherein a left shell is fixed at the left end of the main shell, a right shell is fixed at the right end of the main shell, an upper cover is arranged at the top end of the main shell, an operation panel functional area with an operation panel is arranged on the left shell, and heat dissipation holes are formed in the left shell;

2. The novel modular active filter as claimed in claim 1, wherein the operation panel is adhered to the operation panel functional area, and the heat dissipation holes on the left housing are honeycomb-shaped and distributed in an octagonal shape.

3. The novel modular active filter of claim 1, wherein a first press-riveting stud with a length of 6mm is fixed at the bottom of the main housing, a second press-riveting stud with a length of 19.9mm is fixed at the inner side surface of the main housing, and side strip-shaped heat dissipation holes are formed in opposite sides of the main housing.

4. The novel modular active filter as claimed in claim 3, wherein the insulating plate is fixed on the right side of the inner bottom of the main housing by a first rivet pressing stud, and the control board is fixed on the right side of the inner front end of the main housing by a second rivet pressing stud.

5. The novel modular active filter as claimed in claim 1, wherein the heat dissipation holes formed on the right side housing are diamond-shaped, and the right side housing is provided with a grounding terminal, and the grounding terminal is externally grounded.

6. The novel modular active filter as claimed in claim 1, wherein the rivet-pressing studs at the four corners of the power board fixing plate are connected with the side through holes of the main housing, and the rivet-pressing studs at the four corners of the power board insulating plate are connected with the through holes of the power board.

7. The novel modular active filter as claimed in claim 1, wherein the heat sink is comprised of a horizontal plane fixing plate and a rack-type heat sink located below the horizontal plane fixing plate, the horizontal plane fixing plate being fixed to the bottom of the two heat sink fixing plates by means of bolts.

8. The novel modular active filter as claimed in claim 7, wherein the top of the horizontal plane fixing plate is fixed with the corresponding IGBT plate by screw threads, and four corners of each horizontal plane fixing plate are fixed with copper studs to support the capacitor plates.

9. The novel modular active filter of claim 1, wherein the capacitive shock absorbing support strip comprises a capacitive shock absorbing support strip mounting plate and a 3M self-adhesive pad adhered to the capacitive shock absorbing support strip mounting plate.

10. The novel modular active filter of claim 1, wherein mounting brackets are fixed to both ends of the outer side of the main housing, and handles are fixed to both ends of the outer side of the left housing.