A 35kV top-in and top-out ring network cabinet

Abstract

The present invention provides a 35kV top-in and top-out ring network cabinet, including a cabinet and a connecting wire to be installed, a vertical channel for placing the connecting wire is provided on one side of the cabinet, a base is fixedly installed at the bottom of the cabinet, two circular grooves are provided inside the vertical channel, and elastic mechanisms for fixing the connecting wires are provided inside the two circular grooves, a wiring seat is fixedly installed at the bottom of the cabinet, and a clamping mechanism for fixing the connecting wires is provided inside the wiring seat. The present invention adopts a cabinet-in-ditch installation method, where the connecting wire enters from the upper bridge frame, is connected to the incoming wire terminal through the vertical channel and the base, and the upper incoming wire is realized, and the busbar between the cabinets reaches the outgoing wire terminal, and in the same way is connected to the upper bridge frame through the base and the vertical channel, and the upper outgoing wire is realized.

Description

Technical Field

[0001] The invention relates to the technical field of ring network cabinets, and in particular to a 35kV top-input and top-output ring network cabinet. Background Art

[0002] The ring main unit is a group of electrical equipment for transmission and distribution (high-voltage switchgear) installed in a metal or non-metallic insulating cabinet or made into an assembled interval ring main unit. Its core part adopts load switches and fuses, which has the advantages of simple structure, small size, low price, improved power supply parameters and performance, and power supply safety. It is widely used in distribution stations and box-type substations in load centers such as urban residential areas, high-rise buildings, large public buildings, factories and enterprises. 35kV ring main units are generally installed in distribution rooms with cable trenches. However, depending on the usage scenario, there are often no cable trenches in the construction of distribution rooms. For example, if the distribution room is in a building with more than two floors, the upper incoming line and upper outgoing line installation method is often adopted, which brings great inconvenience to the installation of the line. Summary of the invention

[0003] In order to overcome the defects of the prior art, a 35kV top-in and top-out ring main unit is provided to solve the problem that there is no cable trench in the construction of the distribution room in many cases. For example, the distribution room is in a building with more than two floors, and the installation method of upper incoming and upper outgoing lines is mostly adopted, which brings great inconvenience to the installation of the line.

[0004] A 35kV top-in and top-out ring network cabinet comprises a cabinet body and connecting wires to be installed, wherein a vertical channel for placing the connecting wires is provided on one side of the interior of the cabinet body, a base is fixedly installed on the bottom of the cabinet body, two circular grooves are provided inside the vertical channel, elastic mechanisms for fixing the connecting wires are provided inside the two circular grooves, a wiring seat is fixedly installed on the bottom of the cabinet body, and a clamping mechanism for fixing the connecting wires is provided inside the wiring seat.

[0005] Preferably, the elastic mechanism includes a slide plate slidably mounted inside the circular groove, one side of the slide plate is elastically connected to the inner wall of the circular groove via a first spring, a connecting plate is fixedly mounted on the other side of the slide plate, a baffle is fixedly mounted on one end of the connecting plate, and a rotating rod is rotatably mounted on the side wall of the slide plate.

[0006] Preferably, a clamping block is fixedly mounted on one end of the rotating rod, and the bottom of the rotating rod is elastically connected to the connecting plate via a second spring.

[0007] Preferably, the locking mechanism comprises a socket provided inside the wiring seat, the inner wall of the socket is provided with a plurality of slots at equal intervals in the circumferential direction, and one end of the connecting line is fixedly provided with a plurality of pins cooperating with the slots at equal intervals in the circumferential direction.

[0008] Preferably, a plurality of device cavities are provided at equal intervals in the internal circumferential direction of the connecting seat, a limit plate is slidably installed inside each of the device cavities, a sliding rod is fixedly installed inside the limit plate, a third spring is sleeved on the outside of the sliding rod, and one side of the limit plate is elastically connected to the inner wall of the device cavity through the third spring.

[0009] Preferably, a ring is rotatably mounted on the outside of the terminal block, a plurality of arc grooves are circumferentially and evenly spaced inside the ring, one end of the slide rod passes through the device cavity and extends to the inside of the arc groove, a slot is provided inside the pin, and the other end of the slide rod passes through the device cavity and extends to the inside of the slot.

[0010] Preferably, a threaded hole is provided inside the collar, and a bolt for fixing the collar is provided inside the threaded hole.

[0011] Preferably, a connection terminal that cooperates with the connecting wire is fixedly installed inside the socket.

[0012] Preferably, one end of the sliding rod is in a smooth arc shape.

[0013] The beneficial effects of the present invention are:

[0014] 1. By installing a base at the bottom of the 35kV ring network cabinet and installing a vertical cable channel at the rear, the cabinet-to-cabinet installation method can be realized. After the connecting line enters from the upper bridge, it is connected to the incoming terminal through the vertical channel and the base to realize the upper incoming line, and then to the outgoing terminal through the inter-cabinet busbar. In the same way, it is connected to the upper bridge through the base and the vertical channel to realize the upper outgoing line.

[0015] 2. When fixing the connecting wire, you can pull the baffle, and then the baffle will pull the slide plate to move through the connecting plate, and then due to the elastic force of the second spring, after the slide plate slides, the second spring will push the rotating rod to rotate, and then the rotating rod will be clamped in the opening of the circular groove through the clamping block, so that the slide plate and the baffle are clamped, and the baffle and the connecting plate will limit the connecting wire, so as to fix the connecting wire. When the connecting wire needs to be moved, just pull the connecting wire out from between the baffle and the cabinet, and then press the rotating rod to rotate, and then the slide plate and the limiting plate will be retracted under the elastic force of the first spring.

[0016] 3. When connecting the connecting wire, insert the end with the bayonet into the socket, and then the bayonet will be inserted into the slot, and then rotate the connecting wire to fix it. After rotating the connecting wire, rotate the ring, and then the arc groove inside the ring will press the slide bar to move, and then the slide bar will overcome the elastic force of the third spring and move, and insert into the slot inside the bayonet, thereby fixing the connecting wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the external structure diagram of the present invention.

[0018] Figure 2 It is the internal structure diagram of the present invention.

[0019] Figure 3 It is the internal structure diagram of the circular groove of the present invention.

[0020] Figure 4 It is a three-dimensional structural diagram of the wiring socket of the present invention.

[0021] Figure 5 It is the internal structure diagram of the wiring socket of the present invention.

[0022] Figure 6 for Figure 5 A magnified view of the structure at A.

[0023] In the figure: 1, vertical channel; 2, base; 3, cabinet; 4, round groove; 5, terminal block; 6, slide plate; 7, first spring; 8, connecting plate; 9, baffle; 10, rotating rod; 11, block; 12, second spring; 13, ring; 14, connecting line; 15, socket; 16, slot; 17, arc groove; 18, device cavity; 19, limit plate; 20, slide rod; 21, third spring; 22, latch; 23, slot. DETAILED DESCRIPTION

[0024] The following describes the embodiments of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0025] Reference Figure 1-6 A 35kV top-in and top-out ring network cabinet comprises a cabinet body 3 and a connecting wire 14 to be installed. A vertical channel 1 for placing the connecting wire 14 is provided on one side of the interior of the cabinet body 3. A base 2 is fixedly installed at the bottom of the cabinet body 3, so that the cabinet-in-place-ditch installation method can be realized. After the connecting wire 14 enters from the upper bridge frame, it is connected to the incoming terminal through the vertical channel 1 and the base 2 to realize the upper incoming line, and then reaches the outgoing line terminal through the inter-cabinet busbar. In the same way, it is connected to the upper bridge frame through the base and the vertical channel to realize the upper outgoing line. Two circular grooves 4 are provided inside the vertical channel 1, and elastic mechanisms for fixing the connecting wire 14 are provided inside the two circular grooves 4. A terminal block 5 is fixedly installed at the bottom of the cabinet body 3, and a clamping mechanism for fixing the connecting wire 14 is provided inside the terminal block 5.

[0026] Specifically, the elastic mechanism includes a slide plate 6 slidably installed inside the circular groove 4, one side of the slide plate 6 is elastically connected to the inner wall of the circular groove 4 through a first spring 7, a connecting plate 8 is fixedly installed on the other side of the slide plate 6, a baffle 9 is fixedly installed on one end of the connecting plate 8, a rotating rod 10 is rotatably installed on the side wall of the slide plate 6, a block 11 is fixedly installed on one end of the rotating rod 10, and the bottom of the rotating rod 10 is elastically connected to the connecting plate 8 through a second spring 12.

[0027] When fixing the connecting wire 14, the baffle 9 can be pulled, and then the baffle 9 will pull the slide plate 6 to move through the connecting plate 8, and then due to the elastic force of the second spring 12, after the slide plate 6 slides, the second spring 12 will push the rotating rod 10 to rotate, and then the rotating rod 10 will be clamped at the opening of the circular groove 4 through the clamping block 11, thereby clamping the slide plate 6 and the baffle 9, and the baffle 9 and the connecting plate 8 will limit the connecting wire 14, thereby fixing the connecting wire 14, when the connecting wire 14 needs to be moved, directly pull the connecting wire 14 out from between the baffle 9 and the cabinet 3, and then press the rotating rod 10 to rotate, and then the slide plate 6 and the baffle 9 will be retracted under the elastic force of the first spring 7.

[0028] Specifically, the locking mechanism includes a socket 15 opened inside the terminal block 5, and a plurality of slots 16 are opened on the inner wall of the socket 15 at equal intervals in the circumferential direction. A plurality of latch pins 22 cooperating with the slots 16 are fixedly installed at equal intervals in the circumferential direction on one end of the connecting line 14. A plurality of device cavities 18 are opened on the inside of the terminal block 5 at equal intervals in the circumferential direction. A limit plate 19 is slidably installed inside each device cavity 18, and a slide rod 20 is fixedly installed inside the limit plate 19. A third spring 21 is sleeved on the outside of the slide rod 20, and one side of the limit plate 19 is elastically connected to the inner wall of the device cavity 18 through the third spring 21.

[0029] When connecting the connecting wire 14, the end with the bayonet 22 is inserted into the inside of the socket 15, and then the bayonet 22 is inserted into the inside of the slot 16, and then the connecting wire 14 is rotated to fix the connecting wire 14.

[0030] Specifically, a ring 13 is rotatably mounted on the outside of the terminal block 5, and a plurality of arc grooves 17 are circumferentially and evenly spaced inside the ring 13. One end of the slide rod 20 passes through the device cavity 18 and extends to the inside of the arc groove 17. A slot 23 is provided inside the latch 22, and the other end of the slide rod 20 passes through the device cavity 18 and extends to the inside of the slot 23.

[0031] After rotating the connecting wire 14 , the collar 13 is rotated, and then the arc groove 17 inside the collar 13 will press the slide bar 20 to move, and then the slide bar 20 will overcome the elastic force of the third spring 21 and move, and insert into the slot 23 inside the bayonet 22, so as to fix the connecting wire 14 .

[0032] Specifically, a threaded hole is provided inside the collar 13 , and a bolt for fixing the collar 13 is provided inside the threaded hole.

[0033] After the connecting wire 14 is fixed, the bolts are tightened to fix the collar 13 .

[0034] Specifically, a connection terminal matched with the connection line 14 is fixedly installed inside the socket 15, and one end of the slide rod 20 is in a smooth arc shape.

[0035] When the present invention is used, when fixing the connecting wire 14, the baffle plate 9 can be pulled, and then the baffle plate 9 will pull the slide plate 6 to move through the connecting plate 8, and then due to the elastic force of the second spring 12, after the slide plate 6 slides, the second spring 12 will push the rotating rod 10 to rotate, and then the rotating rod 10 is clamped at the opening of the circular groove 4 through the clamping block 11, so that the slide plate 6 and the baffle plate 9 are clamped, and the baffle plate 9 and the connecting plate 8 will limit the connecting wire 14, so that the connecting wire 14 is fixed, and when the connecting wire 14 needs to be moved, the connecting wire 14 can be directly pulled out from between the baffle plate 9 and the cabinet body 3, and then the rotating rod is pressed. 10 is rotated, and then the slide plate 6 and the baffle plate 9 are retracted under the elastic force of the first spring 7. When the connecting line 14 is connected, the end with the bayonet 22 is inserted into the inside of the socket 15, and then the bayonet 22 is inserted into the inside of the slot 16, and then the connecting line 14 is rotated to fix the connecting line 14. After rotating the connecting line 14, the ring 13 is rotated again, and then the arc groove 17 inside the ring 13 will press the slide bar 20 to move, and then the slide bar 20 will overcome the elastic force of the third spring 21 and move, and be inserted into the slot 23 inside the bayonet 22, so as to fix the connecting line 14.

[0036] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0037] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, some details in the embodiments should not be construed as limiting the present invention, and the present invention shall be protected by the scope defined by the attached claims.

Claims

1. A 35 kV top-in and top-out ring main unit, comprising a cabinet body (3) and connecting wires (14) to be installed, characterized in that: A vertical channel (1) for placing a connecting wire (14) is provided on one side of the interior of the cabinet (3); a base (2) is fixedly installed at the bottom of the cabinet (3); two circular grooves (4) are provided inside the vertical channel (1); elastic mechanisms for fixing the connecting wire (14) are provided inside the two circular grooves (4); a wiring seat (5) is fixedly installed at the bottom of the cabinet (3); a clamping mechanism for fixing the connecting wire (14) is provided inside the wiring seat (5); The elastic mechanism comprises a slide plate (6) slidably mounted inside the circular groove (4); one side of the slide plate (6) is elastically connected to the inner wall of the circular groove (4) via a first spring (7); a connecting plate (8) is fixedly mounted on the other side of the slide plate (6); a baffle plate (9) is fixedly mounted on one end of the connecting plate (8); and a rotating rod (10) is rotatably mounted on the side wall of the slide plate (6); A clamping block (11) is fixedly mounted on one end of the rotating rod (10), and the bottom of the rotating rod (10) is elastically connected to the connecting plate (8) via a second spring (12); The locking mechanism comprises a socket (15) provided inside the wiring seat (5), a plurality of locking grooves (16) being provided on the inner wall of the socket (15) at equal intervals in the circumferential direction, and a plurality of locking pins (22) cooperating with the locking grooves (16) being fixedly mounted at one end of the connecting wire (14) at equal intervals in the circumferential direction; A plurality of device cavities (18) are provided at equal intervals in the circumferential direction inside the wiring seat (5), a limit plate (19) is slidably mounted inside each of the device cavities (18), and a slide rod (20) is fixedly mounted inside the limit plate (19); A third spring (21) is sleeved on the outside of the sliding rod (20), and one side of the limiting plate (19) is elastically connected to the inner wall of the device cavity (18) via the third spring (21).

2. A 35kV top-in and top-out ring main unit according to claim 1, characterized in that: A collar (13) is rotatably mounted on the outside of the wiring seat (5), and a plurality of arc grooves (17) are circumferentially and evenly spaced inside the collar (13). One end of the slide rod (20) passes through the device cavity (18) and extends to the inside of the arc groove (17). A slot (23) is formed inside the latch (22), and the other end of the slide rod (20) passes through the device cavity (18) and extends to the inside of the slot (23).

3. A 35kV top-in and top-out ring main unit according to claim 2, characterized in that: A threaded hole is provided inside the collar (13), and a bolt for fixing the collar (13) is provided inside the threaded hole.

4. A 35kV top-in and top-out ring main unit according to claim 1, characterized in that: A connection terminal that matches the connection line (14) is fixedly installed inside the socket (15).

5. The 35kV top-in and top-out ring main unit according to claim 2, characterized in that: One end of the sliding rod (20) is in a smooth arc shape.

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