Partitioned low-voltage switch cabinet body

Abstract

The utility model provides a partitioned low-voltage switch cabinet body which comprises a frame body, the outer side of the frame body is covered with an outer shell, the front side in the outer shell is provided with a drawer rest stand, the drawer rest stand is provided with a plurality of drawer structures capable of being drawn out in a height mode, the rear side in the outer shell is provided with a vertical cabinet area, and the vertical cabinet area is provided with a vertical back plate and a rear cabinet door capable of being opened. A plurality of air inlet holes are formed in the position, close to the bottom end, of the outer shell, a heat dissipation top is arranged at the top end of the outer shell, a plurality of air outlet holes are formed in the heat dissipation top, a plurality of first heat dissipation holes are formed in the bottom end and the two sides of the drawer structure, and the problems that the low-voltage switch cabinet is low in space utilization rate and low in heat dissipation efficiency are solved.

Description

Technical Field

[0001] The utility model relates to the field of low-voltage switch cabinets, in particular to a partitioned low-voltage switch cabinet body. Background Art

[0002] As an indispensable part of the power system, low-voltage switchgear generally adopts an integral structure, that is, all electrical components are fixedly installed in a cabinet, which has a simple structure, stable and low cost. However, the integral low-voltage switchgear also has the disadvantages of messy layout of electrical components and low space utilization. In addition, due to the staggered components in the cabinet and the wiring tied together, it is also troublesome to replace some components separately.

[0003] In addition, since the components are mainly installed on a fixed backplane, the heat generation area is concentrated and the heat dissipation efficiency is low. When working for a long time, heat accumulation is likely to occur, resulting in greater mutual influence between components. Utility Model Content

[0004] The utility model provides a partitioned low-voltage switch cabinet body, which solves the problems of low space utilization and low heat dissipation efficiency of the low-voltage switch cabinet.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a partitioned low-voltage switch cabinet body, including a frame body, an outer shell covered on the outside of the frame body, a drawer shelf is provided on the front side of the outer shell body, and a plurality of withdrawable drawer structures are provided at the upper edge of the drawer shelf in a height manner, a vertical cabinet area is provided on the rear side of the outer shell body, the vertical cabinet area is provided with a vertical back panel and an openable rear cabinet door, a plurality of air inlets are provided near the bottom end of the outer shell body, a heat dissipation top is provided on the top end of the outer shell body, the heat dissipation top is provided with a plurality of air outlets, and a plurality of first heat dissipation holes are provided at the bottom and both sides of the drawer structure.

[0006] In the preferred embodiment, the frame body includes a bent vertical plate with a Z-shaped cross-section, which is arranged vertically. One end of the bent vertical plate is connected to the inner wall of the outer shell, and a spacing space is provided between the other end of the bent vertical plate and the inner wall of the outer shell. A plurality of connecting horizontal plates are provided along the height direction on the side of the horizontal plate mounting hole away from the outer shell.

[0007] In a preferred solution, a plurality of horizontal plate mounting holes are provided in the height direction of the upper edge of the bent vertical plate, horizontal plate mounting screws are provided at both ends of the connecting horizontal plate, and the horizontal plate mounting screws are threadedly connected to the horizontal plate mounting holes.

[0008] In a preferred solution, the heat dissipation top includes a top plate and side plates connected to the top plate, the air outlets are arranged on the side plates, and an outwardly extending and concave retaining edge is arranged on the outer edge of the top plate.

[0009] In the preferred embodiment, the side panel is composed of a plurality of bending parts arranged in a ring shape, a third bending portion is provided at one end of the bending part, a first bending portion is provided at the other end of the bending part, a second bending portion is provided at the end of the first bending portion, the third bending portion is connected to the top plate, a fourth bending portion is provided at the upper end of the outer shell, the end of the fourth bending portion is attached to the outer wall of the second bending portion, and an L-shaped plate is also provided, the two ends of the L-shaped plate are respectively connected to the outer shell and the first bending portion of the bending part.

[0010] In a preferred solution, a hollow grille frame is provided at the upper end of the outer shell, a screw nut is provided on the L-shaped plate, both ends of the grille frame are installed at the screw nut by screws, and a plurality of upward air-discharging guide fans are provided at the grille frame.

[0011] In a preferred solution, guide strips are provided on both sides of the drawer structure, rotatable rollers are provided at both ends of the guide strips, and the drawer shelf is provided with a plurality of transversely arranged guide groove plates along the height direction, and the guide strips are inserted into the guide groove plates.

[0012] The beneficial effects of the utility model are as follows: the cabinet body is designed to be partitioned, with multiple drawer structures adopted on the front side and an integral vertical cabinet structure adopted on the rear end, with high space utilization and compact structure; components belonging to the same circuit can be arranged in the same drawer structure, and once a circuit fails, the drawer can be quickly replaced without affecting the normal operation of other drawers, and maintenance and repair are easy; each drawer can be operated and maintained separately, reducing safety risks during operation; the cabinet body, namely the drawer, adopts a heat dissipation hole structure in multiple places, and adopts a design of bottom air inlet and top air outlet, which has a good heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 It is a front schematic diagram of the utility model.

[0015] Figure 2 It is a back side schematic diagram of the utility model.

[0016] Figure 3 It is a structural diagram of the frame body of the utility model.

[0017] Figure 4 It is a schematic diagram of the drawer structure of the utility model.

[0018] Figure 5 It is a schematic diagram of the connection between the frame body and the outer shell of the utility model.

[0019] Figure 6 It is an internal schematic diagram of the heat dissipation top of the utility model.

[0020] Figure 7 This is a sheet metal structure diagram of the heat dissipation top of the utility model.

[0021] In the figure: outer shell 1; air inlet 101; fourth bending portion 102; frame body 2; bent vertical plate 201; connecting horizontal plate 202; spacing space 203; horizontal plate mounting hole 204; horizontal plate mounting screw 205; drawer structure 3; first heat dissipation hole 301; guide strip 302; roller 303; handle 304; drawer shelf 4; guide groove plate 401; vertical cabinet area 5; vertical back plate 501; rear cabinet door 502; second heat dissipation hole 503; heat dissipation top 6; air outlet 601; baffle 602; side plate 603; top plate 604; first bending portion 605; second bending portion 606; third bending portion 607; bending piece 608; grille frame 7; guide fan 8; filling strip 9; L-shaped plate 10; screw nut 1001. DETAILED DESCRIPTION

[0022] like Figure 1-7 A partitioned low-voltage switch cabinet body is provided, including a frame body 2, an outer shell body 1 is covered on the outer side of the frame body 2, a drawer shelf 4 is provided on the front side of the outer shell body 1, a plurality of withdrawable drawer structures 3 are provided on the upper edge of the drawer shelf 4, a vertical cabinet area 5 is provided on the rear side of the inner shell body 1, the vertical cabinet area 5 is provided with a vertical back plate 501 and an openable rear cabinet door 502, a plurality of air inlet holes 101 are provided near the bottom end of the outer shell body 1, a heat dissipation top 6 is provided on the top end of the outer shell body 1, the heat dissipation top 6 is provided with a plurality of air outlet holes 601, and a plurality of first heat dissipation holes 301 are provided on the bottom and both sides of the drawer structure 3.

[0023] The drawer structure 3 is an isolated space. Since each circuit is independent of a drawer, once a circuit fails, the drawer can be quickly replaced without affecting the normal operation of other drawers. The drawer design allows maintenance personnel to easily pull out the problematic drawer for inspection or replacement, greatly reducing power outage time and improving power supply continuity.

[0024] The rear vertical cabinet area 5 can be used to install other public electrical components and some larger components.

[0025] A handle 304 is provided at the front end of the drawer structure 3 for easy pulling.

[0026] Although the drawer structure 3 is closed, it is provided with many first heat dissipation holes 301, and the top of the vertical cabinet area 5 is provided with second heat dissipation holes 503, so as to improve the heat dissipation efficiency.

[0027] The two space partition designs improve the utilization efficiency of the overall space and make the structure more compact.

[0028] In the preferred embodiment, the frame body 2 includes a bent vertical plate 201 with a Z-shaped cross-section. The bent vertical plate 201 is arranged vertically, one end of the bent vertical plate 201 is connected to the inner wall of the outer shell 1, and a spacing space 203 is provided between the other end of the bent vertical plate 201 and the inner wall of the outer shell 1. A plurality of connecting horizontal plates 202 are provided along the height direction on the side away from the outer shell 1 through the horizontal plate mounting hole 204.

[0029] The bent vertical plate 201 can be used as a vertical rib of the outer shell 1 to enhance the overall structural strength of the outer shell 1 .

[0030] The Z-shaped bent vertical plate 201 allows a distance between one side end of the bent vertical plate 201 and the inner wall of the outer shell 1, so that the horizontal plate mounting screws 205 will not hit the inner wall of the outer shell 1 during installation, and the connecting horizontal plate 202 is also installed on the inner side. In this way, a vertical hollow space is formed between the frame body 2 and the inner wall of the outer shell 1, which facilitates heat dissipation upwards.

[0031] In a preferred solution, a plurality of horizontal plate mounting holes 204 are provided on the bent vertical plate 201 along the height direction, and horizontal plate mounting screws 205 are provided at both ends of the connecting horizontal plate 202 , and the horizontal plate mounting screws 205 are threadedly connected to the horizontal plate mounting holes 204 .

[0032] The number of the horizontal plate mounting holes 204 is specifically determined according to design and installation requirements, so as to facilitate the free selection of the installation height of the connecting horizontal plate 202 .

[0033] In a preferred solution, the heat dissipation top 6 includes a top plate 604 and a side plate 603 connected to the top plate 604 , the air outlet 601 is provided on the side plate 603 , and an outer edge of the top plate 604 is provided with an outwardly extending and concave retaining edge 602 .

[0034] The edge retaining portion 602 serves to prevent dust and water ingress, but does not affect heat dissipation.

[0035] In the preferred embodiment, the side panel 603 is composed of a plurality of bending parts 608 arranged in a ring shape, a third bending portion 607 is provided at one end of the bending part 608, a first bending portion 605 is provided at the other end of the bending part 608, a second bending portion 606 is provided at the end of the first bending portion 605, the third bending portion 607 is connected to the top plate 604, a fourth bending portion 102 is provided at the upper end of the outer shell 1, the end of the fourth bending portion 102 is attached to the outer wall of the second bending portion 606, and an L-shaped plate 10 is also provided, the two ends of the L-shaped plate 10 are respectively connected to the outer shell 1 and the first bending portion 605 of the bending part 608.

[0036] The various sheet metal parts can be connected together by welding.

[0037] The third bending portion 607 is mainly used to facilitate connection with the top plate 604, the first bending portion 605 is mainly used to align the fourth bending portion 102 and facilitate docking through the L-shaped plate 10, and the second bending portion 606 is vertical to improve the structural strength of the top.

[0038] In the preferred solution, a hollow grille frame 7 is provided at the upper end of the outer shell 1, and a screw nut 1001 is provided on the L-shaped plate 10. Both ends of the grille frame 7 are installed at the screw nut 1001 by screws, and a plurality of guide fans 8 for upward air outlet are provided at the grille frame 7.

[0039] A filling strip 9 can be bonded to the lower side of the outer edge of the grid frame 7 . The filling strip 9 is provided with an inclined portion to guide the airflow at the corners to move toward the guide fan 8 .

[0040] The guide fan 8 is disposed at the upper end of the outer shell 1 to guide the hot air to move upward and be discharged from the air outlet 601, thereby improving the heat dissipation efficiency.

[0041] In the preferred solution, guide strips 302 are provided on both sides of the drawer structure 3 , rotatable rollers 303 are provided at both ends of the guide strips 302 , and the drawer shelf 4 is provided with a plurality of transversely arranged guide groove plates 401 along the height direction, and the guide strips 302 are inserted into the guide groove plates 401 .

[0042] The roller 303 abuts against the U-shaped groove of the guide groove plate 401, making the pulling and drawing smoother.

[0043] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A partitioned low-voltage switch cabinet, characterized by: The invention comprises a frame body (2), wherein the outer side of the frame body (2) is covered with an outer shell (1), a drawer shelf (4) is provided on the inner front side of the outer shell (1), a plurality of drawer structures (3) are provided on the upper side of the drawer shelf (4) in a height manner, a vertical cabinet area (5) is provided on the inner rear side of the outer shell (1), the vertical cabinet area (5) is provided with a vertical back plate (501) and an openable rear cabinet door (502), a plurality of air inlet holes (101) are provided near the bottom end of the outer shell (1), a heat dissipation top (6) is provided on the top end of the outer shell (1), the heat dissipation top (6) is provided with a plurality of air outlet holes (601), and a plurality of first heat dissipation holes (301) are provided on the bottom end and both sides of the drawer structure (3).

2. According to claim 1, the partitioned low-voltage switch cabinet body is characterized in that: The frame body (2) comprises a bent vertical plate (201) having a Z-shaped cross section, the bent vertical plate (201) being arranged vertically, one end of the bent vertical plate (201) being connected to the inner wall of the outer shell (1), a spacing space (203) being provided between the other end of the bent vertical plate (201) and the inner wall of the outer shell (1), and a plurality of connecting horizontal plates (202) being provided along the height direction on a side of the horizontal plate mounting hole (204) away from the outer shell (1).

3. According to claim 2, the partitioned low-voltage switch cabinet body is characterized in that: A plurality of horizontal plate mounting holes (204) are provided on the vertical plate (201) along the height direction, and horizontal plate mounting screws (205) are provided at both ends of the horizontal plate (202), and the horizontal plate mounting screws (205) are threadedly connected to the horizontal plate mounting holes (204).

4. According to claim 1, the partitioned low-voltage switch cabinet body is characterized in that: The heat dissipation top (6) comprises a top plate (604) and a side plate (603) connected to the top plate (604); the air outlet (601) is provided on the side plate (603); and the outer edge of the top plate (604) is provided with an outwardly extending and concave retaining edge portion (602).

5. According to claim 4, the partitioned low-voltage switch cabinet body is characterized in that: The side plate (603) is composed of a plurality of bending parts (608) arranged in a ring shape. A third bending portion (607) is provided at one end of the bending part (608), a first bending portion (605) is provided at the other end of the bending part (608), a second bending portion (606) is provided at the end of the first bending portion (605), the third bending portion (607) is connected to the top plate (604), a fourth bending portion (102) is provided at the upper end of the outer shell (1), the end of the fourth bending portion (102) is in contact with the outer wall of the second bending portion (606), and an L-shaped plate (10) is also provided, the two ends of the L-shaped plate (10) are respectively connected to the outer shell (1) and the first bending portion (605) of the bending part (608).

6. According to claim 5, the partitioned low-voltage switch cabinet body is characterized in that: A hollow grille frame (7) is provided at the upper end of the outer shell (1); a screw nut (1001) is provided on the L-shaped plate (10); two ends of the grille frame (7) are mounted on the screw nut (1001) by means of screws; and a plurality of upward air-discharging guide fans (8) are provided on the grille frame (7).

7. According to claim 1, the partitioned low-voltage switch cabinet body is characterized in that: Guide strips (302) are provided on both sides of the structure (3), and rotatable rollers (303) are provided at both ends of the guide strips (302). The drawer shelf (4) is provided with a plurality of transversely arranged guide groove plates (401) along the height direction, and the guide strips (302) are inserted into the guide groove plates (401).

Images