阅读说明：本技术 一种抽屉式开关柜 (Drawer type switch cabinet ) 是由 刘响荣 刘昕栩 陈环 于 2021-08-13 设计创作，主要内容包括：本发明提供一种抽屉式开关柜,抽屉包括：抽屉本体；塑壳断路器,包括断路器本体,以及设于断路器本体出线端一侧的多个第二导电件,断路器本体的长度延伸方向与抽屉的抽出方向相同；多个第三导电件,适于连接对应的第二导电件与插接组件；多个插接组件,沿抽屉本体的高度方向错位分布,适于与母排配合插接。由于多个插接组件沿抽屉本体的高度方向错位分布,与现有技术相比,这样实现了空间的错位,使得在相同电气间隙和爬电距离的情况下,多个插接组件沿抽屉本体长度方向的间距会更小,从而减小与插接组件相连的第三导电件的长度,进而使得抽屉本体长度减小,这样不仅降低了第三导电件和抽屉本体的生产成本,也降低了温升。(The invention provides a drawer type switch cabinet, the drawer includes: a drawer body; the molded case circuit breaker comprises a circuit breaker body and a plurality of second conductive pieces arranged on one side of a line outlet end of the circuit breaker body, wherein the length extending direction of the circuit breaker body is the same as the drawing direction of the drawer; the third conductive pieces are suitable for connecting the corresponding second conductive pieces and the plug-in components; and the plurality of inserting components are distributed along the height direction of the drawer body in a staggered manner and are suitable for being matched and inserted with the busbar. Because the direction of height dislocation of a plurality of grafting subassemblies along the drawer body distributes, compare with prior art, the dislocation in space has been realized like this, make under the condition of same electric clearance and creepage distance, the interval of a plurality of grafting subassemblies along drawer body length direction can be littleer, thereby reduce the electrically conductive length of third that links to each other with the grafting subassembly, and then make drawer body length reduce, so not only reduced the electrically conductive and drawer body's of third manufacturing cost, also reduced the temperature rise.)

1. The utility model provides a drawer type switch cabinet, includes the cabinet body, and locates the internal drawer of cabinet, its characterized in that, the drawer includes:

a drawer body (30);

the molded case circuit breaker is arranged in the drawer body (30) and comprises a circuit breaker body (1) and a plurality of second conductive pieces (40) arranged on one side of a wire outlet end of the circuit breaker body (1), the circuit breaker body (1) is laterally placed and fixed on the drawer body (30), and the length extending direction of the circuit breaker body is the same as the drawing direction of the drawer;

a plurality of third conductive members (41) distributed at intervals along the height direction of the drawer body (30) and suitable for connecting the corresponding second conductive members (40) with the plug-in components;

the plug-in components extend out of the drawer body (30) and are distributed along the height direction of the drawer body (30) in a staggered mode, and the plug-in components are suitable for being matched with the outgoing line busbar in a plug-in mode.

2. The drawer-type switchgear cabinet as claimed in claim 1, wherein a plurality of the plug-in modules and the corresponding third conductive members (41) are all at the same height.

3. The drawer-type switchgear cabinet according to claim 1 or 2, wherein the third conductive member (41) comprises:

a fifth connecting plate (42) extending along the length direction of the drawer body;

and the sixth connecting plate (43) and the seventh connecting plate (44) are respectively arranged at two ends of the fifth connecting plate (42), the sixth connecting plate (43) is suitable for being connected with the second conductive piece (40), and the seventh connecting plate (44) is suitable for being connected with the plug-in assembly.

4. The drawer-type switch cabinet according to claim 3, wherein the sixth connecting plate (43) extends along the width direction of the drawer body (30), the second conductive member (40) comprises an eighth connecting plate (45) extending along the length direction of the drawer body (30), and a ninth connecting plate (46) extending along the width direction of the drawer body (30), and the ninth connecting plate (46) is connected with the sixth connecting plate (43) through a fastening assembly.

5. The drawer-type switchgear cabinet as claimed in claim 4, wherein the eighth connecting plate (45) is integrally bent and connected with the ninth connecting plate (46).

6. The drawer-type switch cabinet according to claim 3, wherein the seventh connecting plate (44) further has a tenth connecting plate (53) bent and connected thereto, and the tenth connecting plate (53) extends along the width direction of the drawer body (30) and is adapted to be connected to the plug assembly.

7. A drawer-type switchgear cabinet according to claim 3, characterized in that the fifth connecting plates (42) of a plurality of the third conductors (41) are located in the same vertical plane.

8. The drawer-type switchgear cabinet according to any of claims 3-7, characterized in that it further comprises a transformer module (47), said transformer module (47) integrating a plurality of transformers, said transformers being shaped with a first perforation for said fifth connecting plate (42) to pass through.

9. The drawer-type switchgear cabinet according to claim 6, further comprising a mounting seat (48) adapted to mount the third conductive member (41), wherein the mounting seat (48) is formed with a third slot (49) adapted to mount the seventh connecting plate (44) and the tenth connecting plate (53), and a second through hole for the fifth connecting plate (42) to pass through.

10. The switchgear cabinet according to claim 9, wherein the mounting seat (48) is disposed adjacent to the circuit breaker body (1) and a heat dissipating channel (50) is disposed between the mounting seat and the circuit breaker body (1).

11. The drawer-type switch cabinet according to claim 1, characterized in that a first partition (51) and/or a second partition (52) are provided between two adjacent plug-in modules, the first partition (51) extends along the height direction of the drawer body (30), and the second partition (52) extends along the length direction of the drawer body (30).

12. The drawer switch cabinet as claimed in claim 1, wherein the plug assembly comprises:

the plug connector (15) is provided with a plug main body (16) and two fourth connecting plates (17) connected with the plug main body (16), and the two fourth connecting plates (17) are opposite to form a first slot (7) for an outgoing line busbar to be inserted into;

the elastic piece (19) is arranged on the plug connector (15), and the elastic piece (19) exerts an elastic acting force which is abutted against the outgoing line busbar towards the fourth connecting plate (17).

13. A drawer-type switchgear cabinet according to claim 11, characterized in that the elastic member (19) is a split ring having a notch, and the two sides of the notch of the split ring are respectively provided with an elastic arm (20) elastically abutting against the corresponding fourth connecting plate (17).

Technical Field

The invention relates to the technical field of switch cabinets, in particular to a drawer type switch cabinet.

Background

The drawer type switch cabinet is a closed shell made of steel plates, electrical components of the incoming and outgoing line loop are all installed in the drawer capable of being pulled out, the drawer type switch cabinet is used as a centralized control power distribution center, has high reliability, safety and interchangeability, and is widely applied to industrial and mining enterprises and high-rise buildings with high requirements on power supply reliability.

An existing drawer type switch cabinet comprises a cabinet body and a drawer capable of being drawn out from the cabinet body, as shown in fig. 12-14, the drawer comprises a drawer body 100, a first panel 101 and a second panel 102 which are respectively arranged on the front side and the rear side of the drawer body 100, an operating handle 103 is arranged on the first panel 101, adapters 104 which extend out of the drawer body 100 and are correspondingly connected with incoming (outgoing) line busbars are arranged on the left side and the right side of the second panel 102, a molded case circuit breaker 105 is arranged in the middle of an installation cavity of the drawer body 100, during assembly, an operating panel 108 where a breaker handle 106 of the molded case circuit breaker 105 is located is arranged towards the first panel 101, and a plurality of wiring terminals on the left side and the right side of the molded case circuit breaker are connected with the corresponding adapters 104 through a switching copper bar 107. The defects of the scheme are as follows: 1) taking the outlet end of the circuit breaker as an example, because the plurality of adapters 104 of the outlet end are all located in the same horizontal plane, the adapter copper bar 107 needs to be set into a first connecting bar 109 extending along the width direction (X-axis direction) of the drawer body, a second connecting bar 110 extending along the height direction (Z-axis direction) of the drawer body, and a third connecting bar 111 extending along the length direction (Y-axis direction) of the drawer body, the first connecting bar 109, the second connecting bar 110 and the third connecting bar 111 are connected in sequence, the lengths of the plurality of connecting bars are longer, the copper consumption is larger, the production cost is increased, and the temperature rise is also increased; 2) the plurality of third connecting rows 111 are distributed at intervals along the width direction (X-axis direction) of the drawer body 100, and a mutual inductor 112 is installed on each third connecting row 111, so that the cabinet space is occupied, and the length of the whole drawer body is increased by considering the electric gap and creepage distance between two adjacent third connecting rows 111; because the wiring terminal, the first connecting bar 109, the second connecting bar 110, the third connecting bar 111 and the adjacent two components of the adapter 104 are fixedly connected through bolts, the number of bolt connection points is more, and the temperature rise in the drawer body is further improved; 3) because the length direction of the circuit breaker is the same as the extension direction of the first panel 101, and the positions and creepage distances for connecting the switching copper bars 107 at the two ends of the incoming and outgoing line are reserved, the length and the width of the drawer body are greatly increased, and the production cost of the drawer type switch cabinet is greatly increased; 4) the power distribution room is generally provided with several or even dozens of drawer-type switch cabinets, and the existing drawer-type switch cabinets occupy large land areas of the power distribution room, so that the construction cost of the power distribution room is greatly increased.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defects of high temperature rise and high production cost of the drawer type switch cabinet in the prior art, so that the drawer type switch cabinet with low temperature rise and low production cost is provided.

Therefore, the invention provides a drawer type switch cabinet which comprises a cabinet body and a drawer arranged in the cabinet body, wherein the drawer comprises a drawer body, a molded case circuit breaker, a third conductive piece and an inserting assembly, the molded case circuit breaker is arranged in the drawer body and comprises a circuit breaker body and a plurality of second conductive pieces arranged on one side of a wire outlet end of the circuit breaker body, the circuit breaker body is laterally placed and fixed on the drawer body, and the length extending direction of the circuit breaker body is the same as the drawing direction of the drawer; the third conductive pieces are distributed at intervals along the height direction of the drawer body and are suitable for connecting the corresponding second conductive pieces and the corresponding plug-in components; the plurality of inserting components extend out of the drawer body and are distributed along the height direction of the drawer body in a staggered mode, and the inserting components are suitable for being matched with the outgoing line busbar in inserting mode.

The plurality of plug-in components and the corresponding third conductive pieces are all located at the same height.

The third conductive piece comprises a fifth connecting plate, a sixth connecting plate and a seventh connecting plate. The fifth connecting plate extends along the length direction of the drawer body; and the sixth connecting plate and the seventh connecting plate are respectively arranged at two ends of the fifth connecting plate, the sixth connecting plate is suitable for being connected with the second conductive piece, and the seventh connecting plate is suitable for being connected with the plug-in assembly.

The sixth connecting plate extends along the width direction of the drawer body, the second conductive piece comprises an eighth connecting plate extending along the length direction of the drawer body and a ninth connecting plate extending along the width direction of the drawer body, and the ninth connecting plate is connected with the sixth connecting plate through a fastening assembly.

The eighth connecting plate and the ninth connecting plate are integrally connected in a bending mode.

The seventh connecting plate is also provided with a tenth connecting plate which is connected with the seventh connecting plate in a bending mode, and the tenth connecting plate extends along the width direction of the drawer body and is suitable for being connected with the plug-in assembly.

The fifth connecting plates of the third conductive pieces are located in the same vertical plane.

Still include the mutual-inductor module, the mutual-inductor module integration has a plurality of mutual-inductors, the mutual-inductor shaping has the confession the first perforation that the fifth connecting plate wore to establish.

The mounting seat is suitable for mounting the third conductive piece, and a third slot suitable for mounting the seventh connecting plate and the tenth connecting plate and a second through hole for the fifth connecting plate to penetrate through are formed in the mounting seat.

The mounting seat is adjacent to the breaker body, and a heat dissipation channel is arranged between the mounting seat and the breaker body.

A first partition plate and/or a second partition plate are/is arranged between every two adjacent plug-in components, the first partition plate extends along the height direction of the drawer body, and the second partition plate extends along the length direction of the drawer body.

The plug-in component comprises a plug-in connector and an elastic piece, the plug-in connector is provided with a plug-in main body and two fourth connecting plates connected with the plug-in main body, and the two fourth connecting plates oppositely form a first slot for inserting the outgoing line busbar; and the elastic piece is arranged on the plug connector, and the elastic piece exerts an elastic acting force which is abutted against the outgoing line busbar towards the fourth connecting plate.

The elastic part is a split ring with a notch, and two sides of the notch of the split ring are respectively provided with an elastic arm which elastically abuts against the corresponding fourth connecting plate.

The technical scheme of the invention has the following advantages:

1. according to the drawer type switch cabinet provided by the invention, as the plurality of inserting components are distributed along the height direction of the drawer body in a staggered manner, compared with the mode that a plurality of adapters are positioned on the same horizontal plane in the prior art, the dislocation of space is realized, so that under the condition of the same electrical clearance and creepage distance, the distance between the plurality of inserting components along the length direction of the drawer body is smaller, the length of a third conductive piece connected with the inserting components is reduced, the length of the drawer body is further reduced, the production cost of the third conductive piece and the drawer body is reduced, and the temperature rise is also reduced; in addition, because the circuit breaker body is installed in the drawer body according to the direction that the length direction of the circuit breaker body is the same as the drawing direction of the drawer, the width of the drawer and the width of the cabinet body are greatly reduced, the sheet metal material for manufacturing the drawer and the cabinet body are saved, the temperature rise in the drawer is reduced, the production cost is also reduced, and meanwhile, the floor area of a power distribution room for placing the cabinet body is greatly reduced.

2. According to the drawer type switch cabinet provided by the invention, the plurality of inserting components and the corresponding third conductive parts are all positioned at the same height, so that a second connecting row in the prior art is omitted, and the production cost and the temperature rise of the third conductive parts are further reduced.

3. The drawer type switch cabinet provided by the invention has the advantages that the second conductive piece comprises an eighth connecting plate extending along the length direction of the drawer body and a ninth connecting plate extending along the width direction of the drawer body, the ninth connecting plate is connected with the sixth connecting plate through the fastening assembly, the eighth connecting plate and the ninth connecting plate are integrally connected in a bending mode, and the second conductive piece is simple in structure and rapid and convenient to install.

4. According to the drawer type switch cabinet provided by the invention, the fifth connecting plates of the plurality of third conductive pieces are positioned in the same vertical plane, and compared with the prior art, the layout is more compact, so that more space reserved in the drawer body can be used for installing other modules.

5. According to the drawer type switch cabinet provided by the invention, as the plurality of mutual inductors are integrated in one mutual inductor module, the structure is more compact, the occupied space is small, the length of the drawer body can be reduced, and the production cost of the drawer body is reduced.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of a single drawer in the drawer-type switch cabinet of the present invention;

FIG. 2 is a perspective view of the drawer of FIG. 1 at another angle;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a perspective view of FIG. 1 with a portion of the assembly removed;

fig. 5 is an assembly schematic view of a molded case circuit breaker, a second electrically conductive member, a third electrically conductive member, and a first embodiment of a plug assembly;

fig. 6 is an exploded view of the molded case circuit breaker, the second conductive member and the third conductive member;

FIG. 7 is an assembly view of a molded case circuit breaker, a second conductive member, a third conductive member and a second embodiment of a plug assembly

FIG. 8 is a schematic view of the mounting socket assembled with the third conductive member;

FIG. 9 is a perspective view of the drawer type switchgear of the present invention;

FIG. 10 is a perspective view of the plug assembly;

FIG. 11 is a front view of the plug assembly;

FIG. 12 is a perspective view of a prior art drawer type switchgear;

FIG. 13 is a front view of FIG. 10;

fig. 14 is a perspective view of the switching copper bar.

Description of reference numerals: 1. a circuit breaker body; 7. a first slot; 15. a plug-in unit; 16. a plug-in main body; 17. a fourth connecting plate; 19. an elastic member; 20. a resilient arm; 30. a drawer body; 31. a mounting cavity; 32. a second panel; 33. a third panel; 34. a fourth panel; 35. a base plate; 36. a circuit breaker handle; 37. an operation panel; 40. a second conductive member; 41. a third conductive member; 42. a fifth connecting plate; 43. a sixth connecting plate; 44. a seventh connecting plate; 45. an eighth connecting plate; 46. a ninth connecting plate; 47. a transformer module; 48. a mounting seat; 49. a third slot; 50. a heat dissipation channel; 51. a first separator; 52. a second separator; 53. a tenth connecting plate;

100. a drawer body; 101. a first panel; 102. a second panel; 103. an operating handle; 104. an adapter; 105. a molded case circuit breaker; 106. a circuit breaker handle; 107. transferring copper bars; 108. an operation panel; 109. a first connecting row; 110. a second connecting row; 111. a third connecting row; 112. a transformer.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Examples

The present embodiment provides a drawer type switch cabinet, as shown in fig. 9, including a cabinet body and a plurality of drawers disposed in the cabinet body, as shown in fig. 1 to 4, the drawers include a drawer body 30, a molded case circuit breaker, a third conductive component 41, a transformer module 47, and a plug assembly.

And a drawer body 30 having a mounting cavity 31 adapted to mount the molded case circuit breaker. As shown in fig. 1 and 3, the drawer body 30 has a bottom plate 35, a second panel 32 and a third panel 33 respectively disposed at the front and rear sides of the bottom plate, and two fourth panels 34 respectively disposed at the left and right sides of the bottom plate, the second panel 32, the third panel 33 and the two fourth panels 34 enclose to form an installation cavity 31, and the third panel 33 is formed with an opening through which the plug-in module can extend out of the installation cavity. The drawer body 30 extends in the longitudinal direction along the Y axis, in the width direction along the X axis, and in the height direction along the Z axis.

The molded case circuit breaker is installed in the drawer body 30, and as shown in fig. 4-6, the molded case circuit breaker comprises a circuit breaker body 1 and a plurality of second conductive pieces 40 arranged on one side of a wire outlet end of the circuit breaker body 1, wherein the circuit breaker body 1 is laterally placed and fixed on the drawer body 30, and the length extending direction of the circuit breaker body is the same as the drawing direction of the drawer. The second conductive component 40 includes an eighth connecting plate 45 extending along the length direction of the drawer body 30, and a ninth connecting plate 46 extending along the width direction of the drawer body 30, where the ninth connecting plate 46 is fixedly connected to the third conductive component 41 through a fastening component, and in this embodiment, the eighth connecting plate 45 and the ninth connecting plate 46 are integrally bent and connected.

And three third conductive members 41, three of the third conductive members 41 being spaced apart from each other along the height direction of the drawer body 30, and adapted to connect the corresponding second conductive member 40 with the plug-in assembly. The third conductive member 41 includes: a fifth connecting plate 42 extending in a longitudinal direction of the drawer body; and a sixth connecting plate 43 and a seventh connecting plate 44 respectively disposed at two ends of the fifth connecting plate 42, wherein the sixth connecting plate 43 is adapted to be connected to the second conductive member 40, and the seventh connecting plate 44 is adapted to be connected to the plug assembly. In this embodiment, the fifth connecting plates 42 of the three third conductive members 41 are located in the same vertical plane.

As an alternative embodiment, as shown in fig. 7, the seventh connecting plate 44 further has a tenth connecting plate 53 connected to it in a bent manner, and the tenth connecting plate 53 extends in the width direction of the drawer body 30 and is adapted to be connected to the plug assembly.

The third conductive member 41 is further provided with a mounting seat 48, as shown in fig. 8, the mounting seat 48 is formed with a third slot 49 adapted to mount the seventh connecting plate 44 and the tenth connecting plate 53, and a second through hole for the fifth connecting plate 42 to pass through. The mounting seat 48 is disposed adjacent to the circuit breaker body 1, and a heat dissipation channel 50 is disposed between the mounting seat and the circuit breaker body 1.

And the mutual inductor module 47 is integrated with a plurality of mutual inductors, and the mutual inductors are formed with first through holes for the fifth connecting plate 42 to penetrate through.

The number of the inserting components is three, the inserting components extend out of the drawer body 30 and are distributed along the height direction of the drawer body 30 in a staggered mode, and the inserting components are suitable for being matched with the outgoing line busbar in inserting mode. In this embodiment, the three plug-in components and the corresponding third conductive members 41 are all located at the same height. As shown in fig. 10 and 11, the plug assembly includes: the plug connector 15 is provided with a plug main body 16 and two fourth connecting plates 17 connected with the plug main body 16, and the two fourth connecting plates 17 are opposite to form a first slot 7 for inserting an outgoing line busbar; and the elastic piece 19 is arranged on the plug connector 15, and the elastic piece 19 exerts an elastic acting force which is abutted against the outgoing line busbar towards the fourth connecting plate 17. The elastic part 19 is a split ring with a gap, and two sides of the gap of the split ring are respectively provided with an elastic arm 20 which elastically abuts against the corresponding fourth connecting plate 17. As shown in fig. 2 and 9, a first partition plate 51 and a second partition plate 52 are disposed between two adjacent plug assemblies, the first partition plate 51 extends along the height direction of the drawer body 30, and the second partition plate 52 extends along the length direction of the drawer body 30.

It should be noted that only the first partition plate 51 may be provided between two adjacent plug modules, or only the second partition plate 52 may be provided.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.