Double-loop switch cabinet body assembly

Abstract

The utility model discloses a double-loop switch cabinet body assembly, which comprises a switch bottom cabinet, a main cabinet door is rotatably arranged on the front surface of the switch bottom cabinet, the switch bottom cabinet is provided with an auxiliary mechanism, the auxiliary mechanism comprises a first top cabinet and a second top cabinet, the side of the first top cabinet is fixedly connected with the second top cabinet, and a maintenance mechanism is arranged at the top of the first top cabinet. The maintenance mechanism comprises a bearing plate, maintenance plates, a fixing column and a locking plate, the bearing plate is located at the tops of the first top cabinet and the second top cabinet, and the maintenance plates are slidably arranged at the tops of the first top cabinet and the second top cabinet respectively. According to the utility model, through the mutual cooperation of the first top cabinet, the second top cabinet, the bearing plate, the maintenance plate, the fixing columns and the dustproof net, the fixing columns position the installation of the bearing plate and the maintenance plate, thereby facilitating the direct opening of the tops of the first top cabinet and the second top cabinet, and achieving the rapid maintenance of the first bus and the second bus. And meanwhile, heat dissipation of the interiors of the first top cabinet and the second top cabinet is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of 35KV double - circuit switch cabinets, and particularly relates to a double - circuit switch cabinet body assembly. Background Technique

[0002] Switch cabinets are usually a kind of commonly used electrical equipment. The external lines of the switch cabinet first enter the main control switch inside the cabinet, and then enter the sub - control switch. Each branch is set according to its needs. The function of the switch cabinet is usually to generate electricity, transmit electricity, and convert electrical energy in the power system.

[0003] There are various types of switch cabinets, including 35KV switch cabinets. When a 35KV switch cabinet is in use, a busbar is usually used to supply power to multiple paths and supply power to the equipment inside the 35KV switch cabinet. However, when using a single busbar, if the busbar fails, usually only waiting for the busbar to be repaired and then continuing to use. But this method will result in a long power outage time for the 35KV switch cabinet, affecting its use. Therefore, a double - busbar connection method is usually adopted. The double - busbar connection can achieve multi - path power supply. When one busbar fails, it can continue to supply power by switching to the other busbar. The double - busbar connection can achieve on - line maintenance, that is, equipment maintenance and repair work can be carried out without interrupting power supply. The double - busbar connection can be flexibly scheduled according to power demands to achieve load balance and effective utilization of the standby busbar.

[0004] The double busbars are usually located inside two top cabinets respectively, and the top cabinets are fixed on the top of the switch bottom cabinet, so as to switch the double busbars for use. However, the top cabinets are usually assembled and connected by multiple plates. When an emergency occurs inside the top cabinet, it is usually necessary to urgently check the inside of the top cabinet. Therefore, it is necessary to first unscrew the bolts on the assembled plates to disassemble the assembled plates so that the inside of the top cabinet is exposed. But after checking, it is necessary to first position and dock the assembled plates and then use bolts to lock the assembled plates. Therefore, this method is cumbersome in operation and not convenient to directly open and check the inside of the two top cabinets, having certain limitations. Content of the Utility Model

[0005] The purpose of the present utility model is to provide a double - circuit switch cabinet body assembly to solve the problems raised in the above - mentioned background technique.

[0006] To achieve the above purpose, the present utility model provides the following technical solution: A double - circuit switch cabinet body assembly, comprising:

[0007] A switch bottom cabinet, with a main cabinet door rotatably arranged on its front.

[0008] An auxiliary mechanism is provided at the top of the switch bottom cabinet. The auxiliary mechanism includes a first top cabinet and a second top cabinet. The side of the first top cabinet is fixedly connected to the second top cabinet. An overhaul mechanism is provided at the top of the first top cabinet. The overhaul mechanism includes;

[0009] A bearing plate and an overhaul plate. The bearing plate is located at the top of the first top cabinet and the second top cabinet. The overhaul plate is slidably arranged at the top of the first top cabinet and the second top cabinet respectively;

[0010] A fixed column and a locking plate. The bottom end of the fixed column is fixedly connected to the first top cabinet and the second top cabinet. The locking plate is slidably arranged on the side of the fixed column.

[0011] Preferably, the bottom end of the bearing plate is fixedly connected to the overhaul plate. Square grooves are opened at the top ends of the first top cabinet and the second top cabinet. The overhaul plate is slidably inserted into the inner cavity of the square groove. Through grooves are opened at the top ends of the bearing plate and the overhaul plate. An assembly frame is slidably inserted into the inside of the through groove. A dust-proof net is embedded in the inner cavity of the assembly frame. Installation grooves matching with the fixed column are symmetrically opened at the bottom end of the bearing plate. A clamping groove matching with the locking plate is opened at the side of the assembly frame.

[0012] Preferably, a sliding groove matching with the locking plate is opened on the side of the fixed column. A pulling plate is fixedly connected to the side of the locking plate. A fixed frame is fixedly connected to the side of the pulling plate. An installation rod is slidably inserted into the inside of the fixed frame. Circular grooves matching with the installation rod are symmetrically opened at the top end of the bearing plate. An annular plate is fixedly connected to the top end of the installation rod. Elastic ropes are symmetrically fixedly connected to the bottom end of the annular plate. Grooves are symmetrically opened at the top end of the fixed frame. One end of the elastic rope is fixedly connected to the inner wall of the groove.

[0013] Preferably, a first busbar is arranged inside the first top cabinet, and a second busbar is arranged inside the second top cabinet. A first main disconnect switch is fixedly connected to the side of the inner wall of the first top cabinet, and a second main disconnect switch is fixedly connected to the side of the inner wall of the second top cabinet. A first busbar chamber and a second busbar chamber are respectively arranged inside the first top cabinet and the second top cabinet. The first main disconnect switch and the second main disconnect switch are respectively located inside the first busbar chamber and the second busbar chamber.

[0014] Preferably, a cable chamber is arranged inside the switch bottom cabinet. A sensor is fixedly connected inside the cable chamber. A lightning arrester is fixedly connected to the bottom end of the inner wall of the switch bottom cabinet. A current transformer is fixedly connected to the bottom of the inside of the switch bottom cabinet.

[0015] Preferably, a circuit breaker chamber and an instrument chamber are provided inside the switch bottom cabinet. A circuit breaker is fixedly connected inside the circuit breaker chamber. A cabinet board is fixedly connected to the front of the switch bottom cabinet, and a control panel is fixedly connected to the front of the cabinet board.

[0016] The technical effects and advantages of the present utility model:

[0017] By the mutual cooperation of the first top cabinet, the second top cabinet, the bearing plate, the maintenance plate, the fixing column, the locking plate, the fixing frame and the dust-proof net, the bearing plate connects and supports the two maintenance plates. The fixing column positions the installation of the bearing plate and the maintenance plate, and the locking plate limits the relative positions of the fixing column and the bearing plate. Thus, it is beneficial to directly open the tops of the first top cabinet and the second top cabinet for quickly maintaining the first busbar, the second busbar, etc. At the same time, it is beneficial to dissipate heat inside the first top cabinet and the second top cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front structural schematic diagram of the present utility model.

[0019] Figure 2 It is a side sectional structural schematic diagram of the present utility model.

[0020] Figure 3 It is a rear structural schematic diagram of the present utility model.

[0021] Figure 4 It is a front sectional structural schematic diagram of the maintenance plate of the present utility model.

[0022] In the figure: 1. Switch bottom cabinet; 2. First top cabinet; 3. Second top cabinet; 4. First busbar; 5. Second busbar; 6. Second busbar chamber; 7. First busbar chamber; 8. First busbar disconnector; 9. Second busbar disconnector; 10. Cable chamber; 11. Instrument chamber; 12. Circuit breaker chamber; 13. Circuit breaker; 14. Current transformer; 15. Lightning arrester; 16. Main cabinet door; 17. Cabinet board; 18. Control panel; 19. Maintenance mechanism; 191. Bearing plate; 192. Maintenance plate; 193. Fixing column; 194. Locking plate; 195. Pulling plate; 196. Fixing frame; 197. Installation rod; 198. Assembly frame; 199. Dust-proof net; 20. Sensor. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] The utility model provides a double - loop switch cabinet assembly as shown in Figures 1-4 Figure. The 35KV switch cabinet composed of a switch bottom cabinet 1, a first top cabinet 2 and a second top cabinet 3 complies with standards such as GB / T11022, GB3906, DL404, etc., and has a perfect five - prevention interlocking function at the same time. This switch cabinet is designed according to the metal - enclosed armored withdrawable structure. A ZN85A - 40.5 vacuum circuit breaker is equipped inside the cabinet. The cabinet body is a fully assembled structure. Each component is made of aluminized zinc plate with high oxidation resistance or ordinary steel plate, and is connected by self - piercing rivet nuts and high - strength bolts after being numerically controlled and multi - folded. The assembled size is guaranteed by the machining accuracy of the numerical control machine tool. Compared with other similar equipment, it has the advantages of high cabinet body accuracy, light weight, high mechanical strength and beautiful appearance. A main cabinet door 16 is rotatably arranged on the front surface. The main cabinet door 16 is beneficial to sealing the interior of the switch bottom cabinet 1 and is also beneficial to opening for maintenance operations on the devices inside the switch bottom cabinet 1.

[0025] Further, the side of the first top cabinet 2 is fixedly connected to the second top cabinet 3. An inspection mechanism 19 is provided on the top of the first top cabinet 2. The inspection mechanism 19 includes a bearing plate 191, an inspection plate 192, a fixing column 193, and a locking plate 194. The bearing plate 191 is beneficial for simultaneously pulling the two inspection plates 192 to move, facilitating the removal of the inspection plates 192 from the tops of the first top cabinet 2 and the second top cabinet 3 at the same time, so as to simultaneously open the interiors of the two square grooves, facilitating direct inspection of the interiors of the first top cabinet 2 and the second top cabinet 3, and being convenient for operation. The inspection plate 192 is beneficial for sealing and opening the interior of the square groove. The fixing column 193 is beneficial for connecting with the bearing plate 191, and thus is beneficial for positioning the installation of the bearing plate 191. The locking plate 194 is beneficial for limiting the relative positions of the fixing column 193 and the bearing plate 191, and thus is beneficial for installing and disassembling the bearing plate 191 to simultaneously remove the two inspection plates 192 to timely inspect the interiors of the first top cabinet 2 and the second top cabinet 3. The bearing plate 191 is located on the tops of the first top cabinet 2 and the second top cabinet 3. The inspection plates 192 are respectively slidably arranged on the tops of the first top cabinet 2 and the second top cabinet 3. The bottom end of the fixing column 193 is fixedly connected to the first top cabinet 2 and the second top cabinet 3. The locking plate 194 is slidably arranged on the side of the fixing column 193. The bottom end of the bearing plate 191 is fixedly connected to the inspection plate 192. Square grooves are opened at the tops of both the first top cabinet 2 and the second top cabinet 3, which is beneficial for inspecting the interiors of the first top cabinet 2 and the second top cabinet 3 through their interiors, and is also beneficial for dissipating heat from the interiors of the first top cabinet 2 and the second top cabinet 3. The inspection plate 192 is slidably inserted into the inner cavity of the square groove. Through grooves are opened at the tops of both the bearing plate 191 and the inspection plate 192. An assembly frame 198 is slidably inserted into the through groove, which is beneficial for slidably installing the dust-proof net 199 and is also beneficial for removing and cleaning the dust-proof net 199. The inner cavity of the assembly frame 198 is embedded with a dust-proof net 199, which is beneficial for blocking external dust and preventing dust from entering the interiors of the first top cabinet 2 and the second top cabinet 3. Installation grooves matching with the fixing column 193 are symmetrically opened at the bottom end of the bearing plate 191. A clamping groove matching with the locking plate 194 is opened at the side of the assembly frame 198. A sliding groove matching with the locking plate 194 is opened at the side of the fixing column 193. A pulling plate 195 is fixedly connected to the side of the locking plate 194, which is beneficial for pulling the locking plate 194 to facilitate the separation of the locking plate 194 from the fixing column 193. A fixing frame 196 is fixedly connected to the side of the pulling plate 195, which is beneficial for the installation rod 197 to slide thereon and is also beneficial for limiting the position of the pulling plate 195. An installation rod 197 is slidably inserted into the inner cavity of the fixing frame 196, which is beneficial for limiting the relative positions of the fixing frame 196 and the bearing plate 191 and preventing the random sliding of the bearing plate 191. Circular grooves matching with the installation rod 197 are symmetrically opened at the top of the bearing plate 191. An annular plate is fixedly connected to the top end of the installation rod 197.It is beneficial to perform a pulling operation on the mounting rod 197. Elastic ropes are symmetrically and fixedly connected to the bottom end of the annular plate. The pulling force of the elastic ropes is beneficial to pulling the annular plate to move, facilitating the annular plate and the mounting rod 197 to return to their original positions after movement, facilitating repeated operations on the mounting rod 197. Grooves are symmetrically formed at the top end of the fixed frame 196, and one end of the elastic rope is fixedly connected to the inner wall of the groove.,

[0026] Specifically, an auxiliary mechanism is provided at the top end of the switch bottom cabinet 1. The auxiliary mechanism includes a first top cabinet 2 and a second top cabinet 3. The first top cabinet 2 and the second top cabinet 3 are beneficial for separating two busbars, thereby facilitating the use of two busbars instead of one busbar. The side of the first top cabinet 2 is fixedly connected to the second top cabinet 3. A first busbar 4 is arranged inside the first top cabinet 2, and a second busbar 5 is arranged inside the second top cabinet 3. The first busbar 4 and the second busbar 5 are beneficial for realizing multi-path power supply. When one busbar fails, power supply can be continued by switching to the other busbar. The wiring of the first busbar 4 and the second busbar 5 can achieve on-line maintenance, that is, equipment maintenance and repair work can be carried out without interrupting power supply. The wiring of the first busbar 4 and the second busbar 5 can be flexibly adjusted according to power demand, realizing load balance and effective utilization of the standby busbar, improving the operation efficiency and flexibility of the power system, facilitating reduction of power outage time, being beneficial to improving the availability and maintainability of the power system, being convenient for use, and convenient for operation. A first busbar disconnector 8 is fixedly connected to the side of the inner wall of the first top cabinet 2, and a second busbar disconnector 9 is fixedly connected to the side of the inner wall of the second top cabinet 3. The first busbar disconnector 8 and the second busbar disconnector 9 are beneficial for being connected in series between two busbar segments, serving as switches for isolating them from each other, facilitating the switching use of the first busbar 4 and the second busbar 5, being convenient for operation, and thus being beneficial for realizing switched power supply and facilitating on-line maintenance at the same time.,

[0027] Specifically, a first busbar chamber 7 and a second busbar chamber 6 are respectively arranged inside the first top cabinet 2 and the second top cabinet 3. The first busbar chamber 7 and the second busbar chamber 6 are beneficial for placing the first main disconnecting switch 8 and the second main disconnecting switch 9, facilitating installation and use. The first main disconnecting switch 8 and the second main disconnecting switch 9 are respectively located inside the first busbar chamber 7 and the second busbar chamber 6. A cable chamber 10 is arranged inside the switch bottom cabinet 1, which is beneficial for laying and containing cables inside it. A sensor 20 is fixedly connected inside the cable chamber 10. The sensor 20 is beneficial for monitoring parameters such as the internal temperature, humidity, and air pressure of the cable chamber 10 to ensure the normal operation and safety of the switchgear equipment. A lightning arrester 15 is fixedly connected to the bottom end of the inner wall of the switch bottom cabinet 1, which is beneficial for protecting the switch bottom cabinet 1 from lightning. A current transformer 14 is fixedly connected to the bottom inside the switch bottom cabinet 1. The current transformer 14 is beneficial for measuring, protecting, and controlling the current. A circuit breaker chamber 12 and an instrument chamber 11 are arranged inside the switch bottom cabinet 1. The circuit breaker chamber 12 is beneficial for installing and placing the circuit breaker 13, facilitating the use of the circuit breaker 13. The circuit breaker 13 is fixedly connected inside the circuit breaker chamber 12. The circuit breaker 13 is beneficial for protecting electrical equipment and is also beneficial for breaking and connecting the circuit. A cabinet board 17 is fixedly connected to the front of the switch bottom cabinet 1. The cabinet board 17 is beneficial for supporting the control panel 18. The control panel 18 is fixedly connected to the front of the cabinet board 17. Control components are arranged on the control panel 18, which is beneficial for controlling the operation of the 35KV switchgear.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dual-circuit switch cabinet assembly, comprising: A switch base cabinet (1) having a main cabinet door (16) rotatably arranged on the front side; The invention is characterized in that an auxiliary mechanism is arranged at the top of the switch base cabinet (1), the auxiliary mechanism comprises a first top cabinet (2) and a second top cabinet (3), the side of the first top cabinet (2) is fixedly connected to the second top cabinet (3), and a maintenance mechanism (19) is arranged at the top of the first top cabinet (2), and the maintenance mechanism (19) comprises: A load-bearing plate (191) and an inspection plate (192), wherein the load-bearing plate (191) is located on the top of the first top cabinet (2) and the second top cabinet (3), and the inspection plate (192) is slidably disposed on the top of the first top cabinet (2) and the second top cabinet (3); A fixing column (193) and a locking plate (194), wherein the bottom end of the fixing column (193) is fixedly connected to the first top cabinet (2) and the second top cabinet (3), and the locking plate (194) is slidably arranged on the side of the fixing column (193).

2. A double-circuit switch cabinet assembly according to claim 1, characterized in that: The bottom end of the supporting plate (191) is fixedly connected to the inspection plate (192); the top ends of the first top cabinet (2) and the second top cabinet (3) are both provided with square grooves; the inspection plate (192) is slidably connected to the inner cavity of the square groove; the top ends of the supporting plate (191) and the inspection plate (192) are both provided with through grooves; the interior of the through grooves is slidably connected to an assembly frame (198); the inner cavity of the assembly frame (198) is embedded with a dustproof net (199); the bottom end of the supporting plate (191) is symmetrically provided with mounting grooves that match the fixing column (193); the side of the assembly frame (198) is provided with a card slot that matches the locking plate (194).

3. A double-circuit switch cabinet assembly according to claim 2, characterized in that: The side of the fixing column (193) is provided with a sliding groove that matches the locking plate (194), the side of the locking plate (194) is fixedly connected with a pulling plate (195), the side of the pulling plate (195) is fixedly connected with a fixing frame (196), the inner cavity of the fixing frame (196) is slidably connected with a mounting rod (197), the top of the supporting plate (191) is symmetrically provided with a circular groove that matches the mounting rod (197), the top of the mounting rod (197) is fixedly connected with an annular plate, the bottom end of the annular plate is symmetrically fixedly connected with an elastic rope, the top of the fixing frame (196) is symmetrically provided with a groove, and one end of the elastic rope is fixedly connected to the inner wall of the groove.

4. A double-circuit switch cabinet assembly according to claim 1, characterized in that: A first busbar (4) is arranged inside the first top cabinet (2), a second busbar (5) is arranged inside the second top cabinet (3), a first bus isolating switch (8) is fixedly connected to the side of the inner wall of the first top cabinet (2), a second bus isolating switch (9) is fixedly connected to the side of the inner wall of the second top cabinet (3), a first busbar chamber (7) and a second busbar chamber (6) are arranged inside the first top cabinet (2) and the second top cabinet (3), respectively, and the first bus isolating switch (8) and the second bus isolating switch (9) are located inside the first busbar chamber (7) and the second busbar chamber (6), respectively.

5. A double-circuit switch cabinet assembly according to claim 1, characterized in that: The switch cabinet (1) is provided with a cable chamber (10) inside, a sensor (20) is fixedly connected inside the cable chamber (10), a lightning arrester (15) is fixedly connected to the bottom end of the inner wall of the switch cabinet (1), and a current transformer (14) is fixedly connected to the bottom inside the switch cabinet (1).

6. A double-circuit switch cabinet assembly according to claim 1, characterized in that: The switch cabinet (1) is provided with a circuit breaker chamber (12) and an instrument chamber (11) inside, a circuit breaker (13) is fixedly connected inside the circuit breaker chamber (12), a cabinet panel (17) is fixedly connected to the front of the switch cabinet (1), and a control panel (18) is fixedly connected to the front of the cabinet panel (17).

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