CN220754098U - Medium-voltage frequency converter control cabinet - Google Patents

Abstract

The utility model discloses a medium-voltage frequency converter control cabinet, which comprises: the cabinet body comprises a main body part and a protruding part, wherein the protruding part is arranged at the rear side of the main body part and protrudes out of the main body part; the laminated veneer area is arranged in the cabinet body and is provided with a first veneer component; the user wiring area and the laminated veneer area are adjacently arranged together in the height direction of the cabinet body; the power device area is adjacent to the laminated veneer area in the width direction and is arranged together; and the selected EMC region and the power device region are adjacently arranged together in the height direction of the cabinet body. The top view of the cabinet body is L-shaped through the main body and the protrusions, the laminated veneer regions are arranged on the protrusions, and the first veneer assemblies are arranged in the laminated veneer regions, so that the protruding depth assembly space in the cabinet body can be fully utilized, and the front view area of the cabinet body can be reduced by 2/3 compared with the front view area of the cabinet body in the prior art.

Description

Medium-voltage frequency converter control cabinet

Technical Field

The utility model belongs to the field of control cabinets, and particularly relates to a medium-voltage frequency converter control cabinet.

Background

The medium-voltage frequency converter comprises a control cabinet and a transformer cabinet, wherein the control cabinet is positioned on the right side of the transformer cabinet and is installed in an embedded mode. The prior art has unreasonable internal layout of the control cabinet, and can cause the situation that the control cabinet is free of competitive size, complicated internal wiring, non-compliance with wiring specifications and high cost, thereby also causing the situation that the overall medium-voltage frequency converter cabinet is free of competitive size, high in cost and losing market competitive advantage. In order to make the voltage converter cabinet have advantages in the constraint factors, the internal layout of the control cabinet needs to be optimally designed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a medium-voltage frequency converter control cabinet which is reasonable in internal layout and small in cabinet height and width.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

a medium voltage inverter control cabinet comprising:

the cabinet body comprises a main body part and a protruding part, wherein the protruding part is arranged at the rear side of the main body part and protrudes out of the main body part; is arranged inside the cabinet body

The laminated veneer area is arranged on the protruding part, and a first veneer component is arranged in the laminated veneer area;

the user wiring area and the laminated veneer area are adjacently arranged together in the height direction of the cabinet body;

the power device area is adjacently arranged with the laminated veneer area in the width direction;

and the selected EMC region and the power device region are adjacently arranged together in the height direction of the cabinet body.

Further, the laminated veneer area is arranged above the user wiring area, and the power device area is arranged above the selected EMC area.

Further, the first veneer assembly comprises a plurality of veneers stacked together, the width direction of the veneers extends along the depth direction of the cabinet body, and the thickness direction of the veneers extends along the width direction of the cabinet body.

Further, the first veneer assembly comprises a plurality of auxiliary power boards, EMC boards, a main control board, a signal conditioning expansion board and an optional veneer.

Further, a second veneer is also installed in the laminated veneer area, and the second veneer is installed on the inner side wall of the cabinet body.

Further, the second single board is the rest single boards which do not belong to the first single board assembly in the auxiliary power board, EMC board, main control board, signal conditioning expansion board and optional single board.

Further, the power device region is provided with any one or more components of a contactor, a relay, a fuse, an input open, and a terminal row.

Further, the selected EMC area is provided with a magnetic ring, a surge protector, an EMC single board, a first output space, a wiring terminal row and a second output space, and the magnetic ring, the surge protector, the EMC single board, the first output space, the wiring terminal row and the second output space are arranged in two rows in the height direction of the cabinet body.

Further, the magnetic ring, the EMC single board and the second output open are arranged in a first row, and the surge protector, the first output open and the wiring terminal row are arranged in a second row.

Further, the optional EMC region is also provided with an uninterruptible power supply.

Further, the subscriber connection area is provided with an interface board and a subscriber connection terminal.

Further, the user connection area is further provided with a user incoming line hole, and the user incoming line Kong Kaishe is arranged at the bottom of the cabinet body.

Further, a strong-current wire slot assembly and a weak-current wire slot assembly are further arranged in the cabinet body, the strong-current wire slot assembly is installed close to the power device area, and the weak-current wire slot assembly is installed between the laminated veneer area and the power device area and between the laminated veneer area and the selected EMC area.

Further, the strong-electric wire slot assembly comprises a first strong-electric wire slot, a second strong-electric wire slot and a third strong-electric wire slot, wherein the first strong-electric wire slot extends along the height direction of the cabinet body and is arranged at one side of the cabinet body, which is close to the power device area and far away from the laminated veneer area; the second strong-current wire groove is arranged in the power device region; the third heavy-current wire groove is arranged between the power device region and the selected EMC region.

Further, the weak electric wire groove assembly comprises a first weak electric wire groove, a second weak electric wire groove, a third weak electric wire groove, a fourth weak electric wire groove and a fifth weak electric wire groove, wherein the first weak electric wire groove extends along the width direction of the cabinet body and is arranged above the power device area; the second weak-current wire groove extends along the height direction of the cabinet body and is arranged between the laminated veneer area and the power device area; the third weak-current wire groove extends along the width direction of the cabinet body and is arranged above the user wiring area; the fourth weak-current wire groove extends along the height direction of the cabinet body and is arranged at one side of the cabinet body, which is close to the user wiring area and far away from the selected EMC area; the fifth weak current wire groove is installed in the subscriber connection area.

Further, at least one user wire inlet hole is formed in the cabinet body close to the user wiring area.

Further, at least one air outlet is formed in the top of the cabinet body.

The utility model has the beneficial effects that:

the top view of the cabinet body is L-shaped through the main body and the protrusions, the laminated veneer regions are arranged on the protrusions, and the first veneer assemblies are arranged in the laminated veneer regions, so that the protruding depth assembly space in the cabinet body can be fully utilized, and the front view area of the cabinet body can be reduced by 2/3 compared with the front view area of the cabinet body in the prior art.

Drawings

FIG. 1 is a schematic perspective view of a medium voltage inverter control cabinet according to an embodiment of the present utility model;

FIG. 2 is a front view of a medium voltage inverter control cabinet of the present utility model in one embodiment;

FIG. 3 is a schematic diagram of a strong and weak current layout of a medium voltage inverter control cabinet according to an embodiment of the present utility model;

fig. 4 is a top view of a medium voltage inverter control cabinet of the present utility model in one embodiment.

The reference numerals include:

100-cabinet 110-high-power-electric-wire slot assembly 111-first high-power-electric-wire slot

112-second strong-electric wire groove 113-third strong-electric wire groove 120-weak-electric wire groove assembly

121-first weak current wire groove 122-second weak current wire groove 123-third weak current wire groove

124-fourth weak current wire groove 125-fifth weak current wire groove 130-main body portion

140-bulge 150-air outlet 200-laminated veneer area

210-first board assembly 220-second board 300-power device region

310-contactor 320-relay 330-fuse

340-input open 350-terminal block 400-optional EMC region

410-uninterruptible power supply 430-magnetic ring 440-surge protector

450-EMC single board 460-first output air switch 470-wiring terminal strip

480-second output air switch 500-subscriber line area 510-interface board

520-subscriber terminal 530-subscriber line hole

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1, a control cabinet for a medium voltage inverter according to a preferred embodiment of the present utility model includes: the cabinet 100 includes a main body 130 and a protrusion 140 disposed at a rear side of the main body 130 and protruding from the main body 130; and a laminated veneer area 200 disposed inside the cabinet body 100, wherein the laminated veneer area 200 is disposed on the protruding portion 140, and a first veneer assembly 210 is installed in the laminated veneer area 200; the user wiring area 500 is adjacent to the laminated veneer area 200 in the height direction of the cabinet body 100; a power device region 300 disposed adjacent to the laminated veneer region 200 in the width direction; the selected EMC area 400 is adjacent to the power device area 300 in the height direction of the cabinet 100.

As shown in fig. 1, the main body 130 and the protruding portion 140 make the top view of the cabinet 100 be "L" shape, the laminated veneer area 200 is disposed in the protruding portion 140, and the first veneer assembly 210 is installed in the laminated veneer area 200, so that the depth assembly space of the protruding portion 140 in the inner cabinet 100 can be fully utilized, and compared with the prior art, the front view area of the cabinet can be reduced by 2/3. The above components are each described in further detail below.

The medium-voltage frequency converter control cabinet mainly comprises a cabinet body 100 and various components arranged in the internal space of the cabinet body 100. Structurally, the medium voltage inverter control cabinet includes a main body portion 130 and a protruding portion 140. The main body 130 has a rectangular box shape as a whole. The protrusion 140 is disposed at the rear side of the main body 130 and protrudes from the main body 130, and the main body 130 and the protrusion 140 form an L-shape in a plan view of the cabinet 100.

As shown in fig. 1 and 2, the internal space of the cabinet 100 is used for installing a plurality of components, and in this application, the space in the cabinet 100 is divided into a laminated veneer area 200, a power device area 300, an optional EMC area 400 and a user wiring area 500.

The laminated veneer area 200 is arranged above the user wiring area 500, and the power device area 300 is arranged above the selected EMC area 400. Namely, the laminated veneer area 200 and the power device area 300 are disposed at the upper half of the cabinet 100, and the mating EMC area 400 and the user wiring area 500 are disposed at the lower half of the cabinet 100. The power device region 300 and the mating EMC region 400 may be disposed at the left half of the cabinet 100, and the laminated veneer region 200 and the subscriber wiring region 500 may be disposed at the right half of the cabinet 100. It will be understood, of course, that the power device region 300 and the mating EMC region 400 may be disposed on the right half of the cabinet 100, while the laminated veneer region 200 and the customer wiring region 500 are disposed on the left half of the cabinet 100.

The laminated veneer area 200 is internally provided with a first veneer assembly 210 and a second veneer 220. The first veneer assembly 210 includes a plurality of veneers stacked together, wherein a width direction of the veneers extends along a depth direction of the cabinet 100, and a thickness direction of the veneers extends along the width direction of the cabinet 100, that is, the veneers are stacked together along the width direction of the cabinet 100. The first board assembly 210 includes a plurality of auxiliary power boards, EMC boards, main control boards, signal conditioning expansion boards, and optional boards. As shown in fig. 2, the second single board 220 is mounted on the inner sidewall of the cabinet 100. The second board 220 is the rest of the auxiliary power board, EMC board, main control board, signal conditioning expansion board, and optional board, which do not belong to the first board assembly 210. For example, in one embodiment of the present application, the first board assembly 210 includes an auxiliary power board, an EMC board, a main control board, a signal conditioning board, and a signal conditioning expansion board, and the second board 220 is an optional board.

As shown in fig. 2, the power device region 300 is provided with any one or more components of a contactor 310, a relay 320, a fuse 330, an input air switch 340, and a terminal block 350. For example, the contactor 310, the relay 320, the fuse 330, and the terminal strip 350 are disposed in the same row and are sequentially arranged from left to right. The input air switch 340 is disposed under the contactor 310, the relay 320, the fuse 330, and the terminal block 350.

As shown in fig. 2, the optional EMC area 400 is provided with an uninterruptible power supply 410, a magnetic ring 430, a surge protector 440, an EMC board 450, a first output air gap 460, a connection terminal row 470, and a second output air gap 480, and the magnetic ring 430, the surge protector 440, the EMC board 450, the first output air gap 460, the connection terminal row 470, and the second output air gap 480 are arranged in two rows in the height direction of the cabinet 100. Specifically, the magnetic ring 430, the EMC board 450, and the second output air switch 480 are disposed in a first row, and the uninterruptible power supply 410, the surge protector 440, the first output air switch 460, and the connection terminal block 470 are disposed in a second row. After the cables enter the cabinet body 100, the cables enter from the bottom of the wiring terminal row 470, three outgoing lines at the upper end enter the upper end of the adjacent first output air switch 460, N lines enter the upper end of the adjacent surge protector 440, three cables enter the lower end of the surge protector 440 after being outgoing lines from the lower end of Q, the lower end of the surge protector 440 enters into one magnetic ring 430 at the upper end by adopting a Kai Wen Jiefa, then enters the EMC single board 450, goes to the other magnetic ring 430 after being outgoing lines, and is output to the second output air switch 480. The arrangement can avoid the influence of the front end of the surge protector 440 on the rear end, the cable is prevented from crossing after being routed, the electromagnetic interference is greatly reduced, the occupied space is greatly reduced, and the EMC routing requirement is met.

As shown in fig. 2, the subscriber connection area 500 is provided with an interface board 510 and a subscriber connection terminal 520, and the subscriber connection terminal 520 is installed under the interface board 510. The subscriber connection area 500 is further provided with at least one subscriber line hole 530, and the subscriber line hole 530 is formed at the bottom of the cabinet 100. The subscriber cable enters from the subscriber line hole 530 and is connected to the subscriber terminal 520, so that the shortest connection path is set, and the operation is convenient and the connection is convenient.

As shown in fig. 3, the strong-current wire groove assembly 110 and the weak-current wire groove assembly 120 are further disposed in the cabinet 100, the strong-current wire groove assembly 110 is installed near the power device region 300, and the weak-current wire groove assembly 120 is installed between the laminated veneer lumber region 200 and the power device region 300 and between the laminated veneer lumber region 200 and the selected EMC region 400. By the arrangement, strong and weak electricity in the medium-voltage frequency converter control cabinet can be separated, and influence of the strong electricity on a signal line is reduced.

Specifically, the strong-electric wire slot assembly 110 includes a first strong-electric wire slot 111, a second strong-electric wire slot 112, and a third strong-electric wire slot 113, wherein the first strong-electric wire slot 111 extends along the height direction of the cabinet body 100, and is disposed at a side of the cabinet body 100, which is close to the power device region 300 and is far from the laminated veneer region 200; the second strong-current wire groove 112 is disposed in the power device region 300; the third heavy-current wire groove 113 is disposed between the power device region 300 and the mating EMC region 400.

The weak wire groove assembly 120 includes a first weak wire groove 121, a second weak wire groove 122, a third weak wire groove 123, a fourth weak wire groove 124, and a fifth weak wire groove 125, wherein the first weak wire groove 121 extends in a width direction of the cabinet body 100, and is installed above the power device region 300; the second weak-current wire groove 122 extends along the height direction of the cabinet 100 and is installed between the laminated veneer area 200 and the power device area 300; the third weak current wire groove 123 extends along the width direction of the cabinet 100 and is installed above the user connection area 500; the fourth weak-current wire groove 124 extends along the height direction of the cabinet 100, and is disposed at a side of the cabinet 100, which is close to the user wiring area 500 and far from the matching EMC area 400; the fifth weak current wire groove 125 is installed in the user connection area 500.

As shown in fig. 4, at least one air outlet 150 is provided at the top of the cabinet 100. An independent air channel is formed in the medium-voltage frequency converter control cabinet, so that heat dissipation is effectively guaranteed, and the IP protection level is guaranteed.

The foregoing is merely exemplary of the present utility model, and many variations may be made in the specific embodiments and application scope of the utility model by those skilled in the art based on the spirit of the utility model, as long as the variations do not depart from the gist of the utility model.

Claims (14)

1. A medium voltage inverter control cabinet, comprising:

a cabinet body (100) comprising a main body (130) and a protruding part (140) arranged at the rear side of the main body (130) and protruding from the main body (130); the laminated veneer area (200) is arranged in the cabinet body (100), the laminated veneer area (200) is arranged on the protruding part (140), and a first veneer component (210) is arranged in the laminated veneer area (200);

a user wiring area (500) adjacent to the laminated veneer area (200) in the height direction of the cabinet body (100);

a power device region (300) arranged adjacent to the laminated veneer region (200) in the width direction;

and the selected EMC region (400) and the power device region (300) are adjacently arranged together in the height direction of the cabinet body (100).

2. Medium voltage frequency converter control cabinet according to claim 1, characterized in that the laminated veneer area (200) is arranged above the subscriber line area (500) and the power device area (300) is arranged above the mating EMC area (400).

3. The medium voltage frequency converter control cabinet according to claim 1 or 2, characterized in that the first veneer assembly (210) comprises a plurality of veneers stacked together, the width direction of the veneers extending in the depth direction of the cabinet (100), the thickness direction of the veneers extending in the width direction of the cabinet (100).

4. A medium voltage frequency converter control cabinet according to claim 3, characterized in that the first veneer assembly (210) comprises a plurality of auxiliary power boards, EMC boards, main control boards, signal conditioning expansion boards, optional veneers.

5. The medium voltage frequency converter control cabinet of claim 4, wherein a second veneer (220) is further installed in the laminated veneer lumber (200), the second veneer (220) being installed on an inner sidewall of the cabinet body (100).

6. The medium voltage frequency converter control cabinet of claim 5, wherein the second board (220) is a remaining board of the auxiliary power board, EMC board, main control board, signal conditioning expansion board, optional board, which is not part of the first board assembly (210).

7. The medium voltage inverter control cabinet of claim 1, wherein the power device region (300) is provided with any one or more of a contactor (310), a relay (320), a fuse (330), an input air switch (340), a terminal block (350).

8. The medium voltage frequency converter control cabinet according to claim 1, characterized in that the selected EMC area (400) is provided with a magnetic ring (430), a surge protector (440), an EMC veneer (450), a first output void (460), a connection terminal block (470), a second output void (480), the magnetic ring (430), the surge protector (440), the EMC veneer (450), the first output void (460), the connection terminal block (470), the second output void (480) being arranged in two rows in the height direction of the cabinet body (100).

9. The medium voltage frequency converter control cabinet of claim 8, wherein the magnetic ring (430), EMC board (450), second output void (480) are arranged in a first row, and the surge protector (440), first output void (460), and terminal block (470) are arranged in a second row.

10. Medium voltage frequency converter control cabinet according to claim 9, characterized in that the mating EMC area (400) is further provided with an uninterruptible power supply (410).

11. Medium voltage frequency converter control cabinet according to claim 1, characterized in that the subscriber connection area (500) is provided with an interface board (510), a subscriber connection terminal (520) and

the user incoming hole (530), user incoming hole (530) are offered in the bottom of cabinet body (100).

12. The medium voltage frequency converter control cabinet according to claim 1, characterized in that a strong-current wire slot assembly (110) and a weak-current wire slot assembly (120) are also arranged in the cabinet body (100), the strong-current wire slot assembly (110) being mounted close to the power device area (300), the weak-current wire slot assembly (120) being mounted between the laminated veneer area (200) and the power device area (300) and between the laminated veneer area (200) and the mating EMC area (400).

13. The medium voltage frequency converter control cabinet of claim 12, wherein the heavy-duty wire chase assembly (110) comprises a first heavy-duty wire chase (111), a second heavy-duty wire chase (112), and a third heavy-duty wire chase (113), wherein the first heavy-duty wire chase (111) extends along a height direction of the cabinet body (100), is disposed within the cabinet body (100) on a side proximate to the power device region (300) and distal from the laminated veneer region (200); the second heavy-current wire groove (112) is arranged in the power device region (300); the third heavy-current wire groove (113) is arranged between the power device region (300) and the selected EMC region (400);

the weak electric wire groove assembly (120) comprises a first weak electric wire groove (121), a second weak electric wire groove (122), a third weak electric wire groove (123), a fourth weak electric wire groove (124) and a fifth weak electric wire groove (125), wherein the first weak electric wire groove (121) extends along the width direction of the cabinet body (100) and is arranged above the power device area (300); the second weak-current wire groove (122) extends along the height direction of the cabinet body (100) and is arranged between the laminated veneer region (200) and the power device region (300); the third weak current wire groove (123) extends along the width direction of the cabinet body (100) and is arranged above the user wiring area (500); the fourth weak-current wire groove (124) extends along the height direction of the cabinet body (100) and is arranged at one side, close to the user wiring area (500), of the cabinet body (100) and far away from the matching EMC area (400); the fifth weak current wire groove (125) is mounted within the subscriber connection area (500).

14. The medium voltage frequency converter control cabinet according to claim 1, characterized in that at least one user feed hole (530) is provided in the cabinet body (100) close to the user connection area (500); at least one air outlet (150) is arranged at the top of the cabinet body (100).