A tube busbar for combining switch cabinets, a switch cabinet combining device, and a switch cabinet combining method

Abstract

The present invention discloses a tube busbar for combining cabinets, a switch cabinet combining device and a cabinet combining method. The key points of the technical solution include a busbar body, a conductive copper core and an insulating layer are arranged in the busbar body, and a conductive rubber is arranged between the conductive copper core and the insulating layer; it also includes a cabinet body, a base is provided at the bottom of the cabinet body, a moving plate, a rotating plate rotatably arranged on the moving plate and a driving mechanism are provided on the base, the driving mechanism is used to control the lateral and longitudinal movement of the moving plate, and the driving mechanism also controls the rotation of the rotating plate, the rotating plate is fixedly connected to the cabinet body, one side of the cabinet body is provided with a plurality of retractable positioning pins, and the other side is provided with a plurality of jacks, the positioning pins on the plurality of cabinets cooperate with the plurality of jacks on the other cabinet; it also includes a cabinet combining method using the above-mentioned tube busbar and switch cabinet. The present invention can make the cabinet combining operation more convenient, does not require manual repeated fine-tuning, and the busbar connection is safe and reliable after the cabinets are combined.

Description

Technical Field

[0001] The present invention relates to the technical field of switch cabinets, and more particularly to a tube busbar for combining switch cabinets, a switch cabinet combining device and a switch cabinet combining method. Background Art

[0002] In daily use, since the space of a switch cabinet is limited and cannot meet the needs of work, multiple switch cabinets are often needed to be used together. When merging cabinets, multiple switch cabinets are generally set side by side, and they are required to be neatly arranged side by side. No movement is allowed to avoid misalignment of the interfaces. The existing alignment method of merging cabinets is generally through manual alignment, and the switch cabinets are heavy, and it is difficult to make fine adjustments manually. It often requires repeated fine-tuning, which takes a lot of time in the merging process. After the merging is completed, the switch cabinets must be connected by bus cables. When using cables in the prior art, they often need to be bent multiple times to achieve the connection effect, or extended cables are used to overcome the difficulty of bending. After the cables are bent, the bending parts are subjected to bending pressure, and the integrity of the pipelines is damaged. Frequent and long-term high-voltage currents pass through between high-voltage switch cabinets, especially at the bending parts, which can easily cause electrical risk hazards, including cable bulging and bursting. Summary of the Invention

[0003] In view of the shortcomings of the existing technology, the present invention provides a tube busbar, a switch cabinet combining device and a cabinet combining method to solve the shortcomings of the existing technology, making the cabinet combining operation more convenient, eliminating the need for manual repeated fine-tuning, and the busbar connection after combining the cabinets is safe and reliable.

[0004] To achieve the above objectives, the present invention provides the following technical solutions: a tubular busbar for cabinet merging, comprising a busbar body, wherein a conductive copper core and an insulating layer are arranged in the busbar body, and conductive rubber is arranged between the conductive copper core and the insulating layer.

[0005] The present invention is further configured as follows: the busbar body further includes a bending portion and a middle portion, and the bending portion and the middle portion are integrally formed.

[0006] The present invention is further configured such that: T-shaped connectors are provided at both ends of the busbar body.

[0007] The present invention is further configured such that: the insulating layer is made of a rigid material.

[0008] A switch cabinet, wherein the switch cabinets are electrically connected by the above-mentioned busbar; it also includes a cabinet body, a base is provided at the bottom of the cabinet body, a movable plate, a rotating plate rotatably arranged on the movable plate and a driving mechanism are provided on the base, the driving mechanism is used to control the lateral and longitudinal movement of the movable plate, and the driving mechanism also controls the rotation of the rotating plate, the rotating plate is fixedly connected to the cabinet body, one side of the cabinet body is provided with a plurality of retractable positioning pins, and the other side is provided with a plurality of sockets, and the positioning pins on the cabinet bodies cooperate with the plurality of sockets on the other cabinet body.

[0009] The present invention is further configured as follows: the driving mechanism includes a transverse screw, a longitudinal screw and a rotating shaft, a first slider that can slide laterally and a second slider that can slide longitudinally are provided in the shift plate, the first slider is threadedly engaged with the longitudinal screw, and the second slider is threadedly engaged with the transverse screw; a toothed ring is provided on the lower bottom surface of the rotating plate, and a gear meshing with the toothed ring is provided on the rotating shaft; three operating shafts are respectively connected to the transverse screw, the longitudinal screw and the rotating shaft, and three grooves are provided on the side wall of the base, and the three operating shafts are inside, and the ends of the operating shafts are flush with the side walls of the base.

[0010] The present invention is further configured as follows: the groove is configured as a square structure, the operating shaft is configured as a hexagonal structure, and further includes a locking sleeve that is sleeved with the groove, the inner surface of the locking sleeve is provided with a rubber layer and cooperates with the operating shaft, and the outer surface of the locking sleeve is configured as a square and cooperates with the groove.

[0011] The present invention is further configured as follows: fixing holes are provided on the peripheral side of the cabinet, and the fixing holes on the cabinet are connected to the fixing holes on another cabinet by bolts.

[0012] A method for combining cabinets, comprising the above-mentioned tubular busbar and switch cabinet, comprises the following steps:

[0013] A. Measure and calculate the busbar connection size required between the two switch cabinets after merging, and make the busbar;

[0014] B. Select one switchgear as the reference switchgear and keep it stationary. Place the other switchgear as the matching switchgear close to the reference switchgear so that they are roughly aligned and ready for merging.

[0015] C. Adjust the base of the mating switch cabinet and the position of the mating switch cabinet until the positioning pin on the mating switch cabinet is just inserted into the socket of the reference switch cabinet, and then insert the locking sleeve into the groove;

[0016] D. Remove the side panels of the two switch cabinets that are close to each other, and install bolts in the fixing holes on the sides of the two switch cabinets to fix them;

[0017] E. Connect the T-connectors at both ends of the busbar produced in step A to the two switch cabinets to complete the cabinet connection.

[0018] In summary, the present invention has the following beneficial effects:

[0019] 1. The tubular busbar of the present invention adopts a design of conductive copper core and outer insulation layer through pre-measured connection size, and a conductive rubber is set in the middle layer for shielding insulation, which has an electromagnetic shielding effect that the existing cables do not have. In addition, the cables of the existing technology cannot achieve large-angle bending, and it is necessary to extend the cable length to reduce the bending radius. The tubular busbar of the present invention reduces the bending length required by the cables of the existing technology, which not only saves space but also reduces the intermediate length of current transmission. The connecting pipeline of the entire hard busbar is concentrically arranged, and the middle section and the bending part are integrally formed with high consistency in thickness, so that the electricity is stable and more in line with the electrical connection requirements. Secondly, with the customization of the standardized cabinet type of the State Grid, the cabinet width The degree is limited. After the cabinet space size is standardized, the cable cannot be flexibly installed in the narrow switch cable compartment after cable connection. The bending radius of the cable after cable connection is limited, resulting in the long-term mechanical stress distortion of the epoxy bushing of the switch cabinet's inlet and outlet lines, which can easily lead to bushing cracking and other phenomena; if the tubular busbar technical solution of the present invention is adopted: 1. The copper tube can be bent according to the cabinet center distance provided by the customer or pre-measured; 2. The insulation part of the busbar adopts an extrusion process, and the busbar tube adopts internal shielding to effectively disperse the electric field; the overall structure is small and compact, and all bending angles can be consistent, which beautifies the switch cabinet and enhances the overall cabinet installation line space; the overall structure is fully insulated, fully sealed, and fully shielded, safe and reliable.

[0020] 2. The present invention further provides a base on the switch cabinet, a movable plate is provided on the base, and a rotating plate is also provided on the movable plate. By operating different operating axes on the base, the transverse screw rod, longitudinal screw rod and rotating axis in the base can be controlled, so that the switch cabinet can be adjusted or rotated in the corresponding transverse and longitudinal directions to adjust the two switch cabinets to be aligned; at the same time, the present invention also provides an elastic and retractable positioning pin. When the two cabinets are not completely aligned, the positioning pin is against the side wall of the other switch cabinet and cannot be fully extended. When the two cabinets are completely aligned, the positioning pin is also aligned with the socket on the other switch cabinet. The positioning pin pops out quickly and makes a sound to remind the operator that the cabinets are completely aligned and limit the two cabinets to prevent the operator from misoperating and causing the aligned switch cabinets to shift. Then, a locking sleeve is inserted into the groove to further constrain the operating axis. Finally, after alignment, the fixing holes on the peripheral side can be connected with bolts. The above structure can conveniently align the two switch cabinets so that the two switch cabinets are neatly side by side without displacement and the interface will not be misaligned. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the overall structure of this embodiment;

[0022] Figure 2 This is a schematic diagram of the side structure of this embodiment;

[0023] Figure 3 Schematic diagram of the tube busbar structure of this embodiment;

[0024] Figure 4 1 is a schematic diagram of the overall structure of the base platform of this embodiment;

[0025] Figure 5 This is a schematic diagram of the structure of the longitudinal and transverse screw rods inside the base of this embodiment;

[0026] Figure 6 This is a bottom view of the shift plate structure of this embodiment;

[0027] Figure 7 This is a structural diagram of the rotating plate of this embodiment;

[0028] Figure 8 This is a partial enlarged schematic diagram of the positioning pin and the socket of this embodiment;

[0029] Figure 9 Schematic diagram of the internal structure of the tube busbar in this embodiment;

[0030] Figure 10 It is a schematic diagram of the locking sleeve structure of this embodiment.

[0031] Figure numerals: 1. cabinet; 2. base; 3. moving plate; 4. driving mechanism; 401. transverse moving screw; 402. longitudinal moving screw; 5. first slider; 6. second slider; 7. positioning pin; 8. socket; 9. busbar body; 901. conductive copper core; 902. insulating layer; 903. conductive rubber; 10. bending part; 11. middle part; 13. rotating plate; 1301. toothed ring; 14. rotating shaft; 1401. gear; 15. fixing hole; 18. T-type connector; 20. groove; 21. operating shaft; 22. locking sleeve; 2201. rubber layer. DETAILED DESCRIPTION

[0032] The present invention will be further described in detail below with reference to the accompanying drawings.

[0033] This embodiment discloses a tube busbar for cabinet connection, such as Figure 1-Figure 3 and Figure 9As shown, the busbar body 9 includes a conductive copper core 901 and an insulating layer 902, with a conductive rubber 903 disposed between the conductive copper core 901 and the insulating layer 902. The busbar body 9 also includes a bend 10 and a middle portion 11, which are integrally formed. The conductive copper core 901 is directly cast through a prepared mold, and the bend 10 and the middle portion 11 are directly integrally formed during production. The advantage of this is that the conductive copper core can have a larger bending radius and the thickness of the bend portion is uniform, saving space while ensuring the quality of the electrical connection. The insulating layer 902 is made of rigid plastic, and the middle portion and the bend portion are integrally formed using an extrusion process. The conductive rubber 903 located in the middle can act as an electrostatic shield to shield external electrical interference. T-type connectors 18 are provided at both ends of the busbar body 9. The T-type connector 18 is plugged into the socket in the cabinet 1, and a lightning arrester is installed on the other end of the T-type connector 18 for protection.

[0034] Furthermore, this embodiment also discloses a switch cabinet, wherein the switch cabinets are electrically connected by the above-mentioned busbar for connecting the cabinets; please refer to Figure 1-Figure 2 as well as Figure 4-Figure 8 The switch cabinet includes a cabinet body 1, a base 2 is provided at the bottom of the cabinet body 1, a moving plate 3, a rotating plate 13 rotatably arranged on the moving plate 3, and a driving mechanism 4 are provided on the base 2. The driving mechanism 4 includes a transverse screw rod 401, a longitudinal screw rod 402 and a rotating shaft 14. A first slider 5 that can slide transversely and a second slider 6 that can slide longitudinally are provided in the moving plate 3. The first slider 5 is threadedly matched with the longitudinal screw rod 402, and the second slider 6 is threadedly matched with the transverse screw rod 401. Through the above structure, when the longitudinal screw rod 402 rotates, it will drive the first slider 5 to move in the longitudinal direction, thereby driving the moving plate 3 to move longitudinally; when the transverse screw rod 401 rotates, the transverse screw rod 401 will drive the second slider 6 thereon The cam 13 is connected to the shift plate 3 by the gear 1301 and the gear 1401 is meshed with the gear 1401 when the cam 13 is in engagement with the shift plate 3. When the cam 13 is in engagement with the shift plate 3, the gear 1401 is driven to rotate ...

[0035] Furthermore, a plurality of retractable positioning pins 7 are provided on one side of the cabinet 1, and a plurality of sockets 8 are provided on the other side. The positioning pins 7 on a plurality of cabinets cooperate with a plurality of sockets 8 on the other cabinet. Through the above structure, when the two switch cabinets are not aligned, the positioning pins 7 are pressed against the outer wall of the other switch cabinet and retracted into the cabinet 1. The internal spring is in an energy storage state. When the operator adjusts the position of the switch cabinet through the base 2 and aligns it, the positioning pins 7 are just aligned with the sockets 8, and the positioning pins 7 are extended under the action of the spring and inserted into the sockets 8. The operator is prompted by the collision sound when the positioning pins 7 are extended. Knowing that the two switch cabinets have been aligned, the operator does not need to perform repeated visual comparisons, and the positioning pin 7 acts as a limit after being extended, and the switch cabinet can no longer be rotated or adjusted longitudinally, to prevent the operator from misoperating and re-distorting the aligned switch cabinet. A number of fixing holes 15 are also provided on the peripheral side of the cabinet body 1. The fixing holes 15 on the cabinet body are connected to the fixing holes 15 on the other cabinet body by bolts. After the cabinets are combined, the side walls of the cabinet bodies that are adjacent to each other need to be removed. After removal, the two cabinets are connected, and the fixing holes 15 on the cabinet body frames have been aligned. The connection of the two switch cabinets can be completed by installing bolts in the fixing holes 15.

[0036] Furthermore, three operating shafts 21 are connected to the transverse screw rod 401, the longitudinal screw rod 402 and the rotating shaft 14 respectively. Three grooves 20 are provided on the side wall of the base 2. The ends of the three operating shafts 21 are respectively located in the three grooves 20, and the ends of the operating shafts 21 are flush with the side wall of the base 2. The grooves 20 are set to a square structure, and the operating shafts 21 are set to a hexagonal structure. A locking sleeve 22 is also included that is sleeved with the grooves 20. The inner surface of the locking sleeve 22 is provided with a rubber layer 2201. And it cooperates with the operating shaft 21, and the outer surface of the locking sleeve 22 is set to be square and cooperates with the groove 20. Through the above structure, during normal adjustment, due to the large size of the square groove 20, the operating shaft 21 can be conveniently rotated using a hexagonal socket wrench. After the adjustment is completed, when the operating shaft 21 needs to be locked, it is only necessary to insert the locking sleeve 22 between the operating shaft 21 and the groove 20, and lock the operating shaft 21 through the friction force of the rubber layer 2201, thereby achieving the locking of the operating shaft 21.

[0037] Furthermore, this embodiment also discloses a cabinet combining method, comprising the tubular busbar according to any one of claims 1 to 4, and the switch cabinet according to any one of claims 5 to 8, further comprising the following steps:

[0038] A. Measure and calculate the required busbar connection size between the two switch cabinets after merging, and make the busbar; refer to Figure 1-2For detailed explanation, use a tape measure or other measuring tool to measure the distance between the sockets in the two switch cabinets. The required middle length of the busbar is the above distance. The bending angle of the tubular busbar is 90 degrees, and there are three tubular busbars. In this case, the tubular busbars need to be staggered. Based on the above requirements, calculate the required length of the bending part and use the above data to make the tubular busbar.

[0039] B. Select one switchgear as the reference switchgear and keep it fixed. Place the other switchgear as the matching switchgear close to the reference switchgear so that the two are roughly aligned and ready for merging. Figure 1 , Figure 1 The switchgear on the left side of the center is used as the reference switchgear, and the switchgear on the right side is used as the matching switchgear. Use a crane or a cart to move the matching switchgear next to the reference switchgear, and then roughly align them.

[0040] C. Adjust the base of the mating switchgear and the position of the mating switchgear until the locating pin on the mating switchgear fits neatly into the socket of the reference switchgear. Then insert the locking sleeve into the groove. First visually inspect the deviation between the two switchgears, then select the corresponding operating shaft and rotate it to adjust the position of the switchgear. When the locating pin fits into the socket, a knocking sound is heard, indicating that the alignment is complete. At this time, insert the locking sleeve into the groove to restrict the rotation of the operating shaft.

[0041] D. Remove the side panels of the two switch cabinets and install bolts in the fixing holes around the two switch cabinets to fix them; using bolts to fix them is more secure;

[0042] E. Connect the T-connectors at both ends of the tubular busbar produced in step A to the two switch cabinets to complete the cabinet connection. Plug the tubular busbar into the switch cabinet for quick installation. Since the tubular busbar is pre-measured and produced, no bending or adjustment is required during installation, making installation faster.

[0043] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the design concept of the present invention should be included in the scope of protection of the present invention.

Claims

1. A switch cabinet merging device, characterized in that: The cabinet (1) comprises a cabinet body (1), wherein a base (2) is provided at the bottom of the cabinet body (1), a shift plate (3), a rotating plate (13) rotatably provided on the shift plate (3), and a driving mechanism (4) are provided on the base (2), wherein the driving mechanism (4) is used to control the lateral and longitudinal movement of the shift plate (3), and the driving mechanism (4) also controls the rotation of the rotating plate (13), wherein the rotating plate (13) is fixedly connected to the cabinet body (1), wherein one side of the cabinet body (1) is provided with a plurality of retractable positioning pins (7), and the other side is provided with a plurality of sockets (8), wherein the positioning pins (7) on the cabinet body cooperate with the plurality of sockets (8) on the other cabinet body; The driving mechanism (4) includes a transverse screw rod (401), a longitudinal screw rod (402) and a rotating shaft (14); a first slider (5) capable of sliding transversely and a second slider (6) capable of sliding longitudinally are provided in the shift plate (3); the first slider (5) is threadedly engaged with the longitudinal screw rod (402), and the second slider (6) is threadedly engaged with the transverse screw rod (401); a toothed ring (1301) is provided on the lower bottom surface of the rotating plate (13); a gear (1401) meshing with the toothed ring (1301) is provided on the rotating shaft (14); three operating shafts (21) are respectively connected to the transverse screw rod (401), the longitudinal screw rod (402) and the rotating shaft (14); three grooves (20) are provided on the side wall of the base (2); the ends of the three operating shafts (21) are respectively located in the three grooves (20), and the ends of the operating shafts (21) are flush with the side wall of the base (2); The switch cabinets are electrically connected by a tubular busbar; the tubular busbar comprises a busbar body (9), a conductive copper core (901) and an insulating layer (902) are provided in the busbar body (9), and a conductive rubber (903) is provided between the conductive copper core (901) and the insulating layer (902); the busbar body (9) further comprises a bending portion (10) and a middle portion (11), and the bending portion (10) and the middle portion (11) are integrally formed.

2. The switch cabinet combining device according to claim 1, characterized in that: The groove (20) is configured as a square structure, the operating shaft (21) is configured as a hexagonal structure, and further comprises a locking sleeve (22) sleeved with the groove (20), the inner surface of the locking sleeve (22) being provided with a rubber layer (2201) and being matched with the operating shaft (21), and the outer surface of the locking sleeve (22) being configured as a square and being matched with the groove (20).

3. The switch cabinet combining device according to claim 2, characterized in that: The cabinet body (1) is provided with fixing holes (15) on its circumference, and the fixing holes (15) on the cabinet body are connected to the fixing holes (15) on another cabinet body via bolts.

4. The switch cabinet combining device according to claim 3, characterized in that: T-shaped connectors (18) are provided at both ends of the busbar body (9).

5. The switch cabinet combining device according to claim 4, characterized in that: The insulating layer (902) is made of a rigid material.

6. A cabinet merging method, characterized in that: The switch cabinet combining device according to claim 5 comprises the following steps: A. Measure and calculate the busbar connection size required between the two switch cabinets after merging, and make the busbar; B. Select one switchgear as the reference switchgear and keep it stationary. Place the other switchgear as the matching switchgear close to the reference switchgear so that they are roughly aligned and ready for merging. C. Adjust the base of the mating switch cabinet and the position of the mating switch cabinet until the positioning pin on the mating switch cabinet is just inserted into the socket of the reference switch cabinet, and then insert the locking sleeve into the groove; D. Remove the side panels of the two switch cabinets that are close to each other, and install bolts in the fixing holes on the sides of the two switch cabinets to fix them; E. Connect the T-connectors at both ends of the busbar produced in step A to the two switch cabinets to complete the cabinet connection.

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