Primary and secondary fusion ring main unit

Abstract

The utility model provides a primary and secondary fusion ring main unit which comprises a ring main unit body frame which is welded with a side plate, so that the overall structural strength and stability are enhanced, and the fault and maintenance cost is reduced. The mounting key holes of the connecting cross beams facilitate accurate mounting of components, and efficiency and precision are improved. The copper bar holes and the adjusting sheets of the sliding ring slide rail ensure that the copper bars are tightly connected, and electric energy loss is reduced. And the U-shaped contact of the bus connecting sheet sliding ring and the limiting rod guarantee stable electrical connection. And the circuit breaker is matched with the station switch, so that a fault circuit can be quickly cut off, and equipment is protected. A station switch and an operation button of the cabinet door outer plate are convenient to operate, and the error risk is reduced. The whole structure is convenient to overhaul and maintain and reduces workload. The cable fireproof blocking baffle can prevent fire from spreading, the rear cover plate can prevent dust and the like from entering, the cable connector ensures safe and reliable connection, the safety and reliability of the ring main unit are improved comprehensively, and the service life of the ring main unit is prolonged comprehensively.

Description

Technical Field

[0001] The utility model relates to the field of ring network boxes, and in particular to a primary and secondary fusion ring network box. Background Art

[0002] In the power transmission and distribution network of the power system, the primary and secondary integrated ring network box is an important electrical equipment and is widely used in urban power grids, industrial parks, residential areas and other places. Its main function is to realize the distribution, control and protection of electric energy and ensure the safe and stable operation of the power system. The ring network box proposed by the Chinese utility model patent application number: CN202320986840.4 belongs to the technical field of power equipment. It includes a top cover, a shell, a base, a switch installation column and a disconnector. The top cover includes a plurality of top plates spliced ​​together, the shell includes a plurality of side plates spliced ​​together, and the base includes a plurality of bottom plates spliced ​​together. The top of the shell is detachably connected to the top cover, and the bottom of the shell is detachably connected to the base. The shell, the base and the top cover are enclosed to form a closed space. The upper and lower ends of the switch installation column are detachably connected to the top cover and the base, respectively, and the disconnector is installed on the switch installation column. It has the advantages of rust-proof and durability, more convenient workshop production, and more flexible installation of disconnectors.

[0003] However, the existing ring network boxes have some shortcomings in the process of use and still need to be improved. The existing primary and secondary fusion ring network boxes mostly adopt a fixed structure design in terms of internal electrical connection. During the manufacturing and installation process of this fixed structure, the connection position and method between various electrical components are determined at the factory. For example, for the busbar connection in the ring network box, the connection between the cable and the electrical equipment, once the installation is completed, the connection position and angle are fixed and it is difficult to adjust.

[0004] Due to the fixed connection structure, during the installation of the primary and secondary integrated ring network box, the actual installation environment on site is often complex and changeable, and problems such as deviation in the size of the reserved space and inaccurate equipment installation position may occur. However, the existing fixed connection structure cannot be flexibly adjusted according to the actual situation, resulting in a lot of time and effort required for position calibration and adaptation during the installation process, which increases the difficulty and cost of installation. Moreover, in the subsequent equipment maintenance and overhaul work, when certain electrical components need to be replaced or adjusted, the fixed connection structure limits the operating space, making it difficult for staff to disassemble and install the equipment, which prolongs the maintenance time and affects the reliability of the power supply.

[0005] With the development of the power system and the changes in user needs, the primary and secondary integrated ring network box may need to be upgraded or expanded. For example, when it is necessary to add new electrical equipment or change the connection method of the original equipment, the fixed connection structure cannot meet this flexibility requirement. This may cause the entire ring network box to need to be replaced or modified on a large scale, which not only increases the investment cost, but also has a significant impact on the normal operation of the power system.

[0006] In the primary and secondary fusion ring network box, copper busbars are important conductive components that play a key role in transmitting electrical energy. Different electrical equipment has different connection requirements for copper busbars, and in actual operation, due to factors such as temperature changes and equipment vibration, the connection status of the copper busbars may change, thus affecting the stability and safety of power transmission.

[0007] The existing primary and secondary fusion ring network box lacks effective means of adjusting the copper busbar connection. The current copper busbar connection method usually adopts fixed connection methods such as bolt tightening. Once the connection is completed, it is difficult to adjust the position, angle, tightness, etc. of the copper busbar in real time. When problems such as loose connection and poor contact occur, power outages are often required for inspection and adjustment, which not only affects the continuity of power supply, but also increases operation and maintenance costs and safety risks. Therefore, we have made improvements to this and proposed a primary and secondary fusion ring network box. Utility Model Content

[0008] The purpose of the utility model is to address the problems raised by the existing background technology. In order to achieve the above-mentioned purpose of the utility model, the utility model provides the following technical solutions: a primary and secondary fused ring network box, comprising a ring network box main frame, and ring network box side panels welded on both sides of the ring network box main frame, a ring network box cabinet is fixed to the front end of the ring network box main frame, a ring network box cabinet door is installed in the door frame of the ring network box cabinet, a work position switch is electrically installed on the outer plate of the ring network box cabinet door, a circuit breaker is electrically connected to the lower part of the work position switch, and a ring network box operation button is arranged below the circuit breaker.

[0009] As a preferred technical solution of the utility model, a connecting crossbeam is welded inside the main frame of the ring net box, and a component installation key hole is arranged on the outer surface of the connecting crossbeam.

[0010] As a preferred technical solution of the utility model, a sliding ring rail is installed on the outer surface of the connecting beam, a copper bar hole is arranged on the top plate of the sliding ring rail, and a copper bar connecting adjustment plate is arranged under the sliding ring rail.

[0011] As an optimal technical solution of the utility model, a busbar connecting piece sliding ring is slidably installed on the sliding ring slide rail slide plate, U-shaped contacts are respectively installed at the four corner ends of the busbar connecting piece sliding ring, and a sliding ring limiting rod is fixed to the bottom rod of the sliding ring slide rail.

[0012] As a preferred technical solution of the present utility model, a support frame is arranged below the sliding ring limit rod.

[0013] As a preferred technical solution of the utility model, an electrical fixing clip is provided on the bottom edge of the support frame, an L-shaped connecting piece for electric wires is connected below the electrical fixing clip, and a connecting piece hole is provided on the outer surface of the L-shaped connecting piece for electric wires.

[0014] As a preferred technical solution of the utility model, a fixing plate is provided on one side of the support frame, a cable tray is installed on the outer surface of the fixing plate, a busbar fixing clamp is provided above the cable tray, and a cable fireproof sealing baffle is provided below the cable tray.

[0015] As a preferred technical solution of the utility model, a ring network box rear cover plate is provided on the rear frame of the ring network box main frame, and a cable connector electrically installed on the top of the ring network box main frame.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: the main frame of the ring network box of the utility model is connected to the side panels of the ring network box on both sides by welding, and this connection method greatly enhances the strength and stability of the overall structure. In the long-term use process, it can effectively resist the influence of external physical impact, vibration and environmental factors, reduce the risk of structural deformation and damage, extend the service life of the ring network box, and reduce equipment failures and maintenance costs caused by structural problems. The outer surface of the connecting crossbeam of the utility model is provided with installation key holes so that components of different specifications and functions can be accurately and quickly installed and fixed, reducing the debugging time and difficulty during the installation process, improving the installation efficiency, and also ensuring the accuracy and consistency of component installation, which is conducive to the stable operation of the equipment.

[0017] The copper busbar hole on the top plate of the sliding ring slide rail of the utility model is used to install the copper busbar, which has good electrical conductivity and thermal conductivity, and can effectively reduce the resistance and loss in the process of power transmission, ensuring the stable transmission of power. At the same time, the copper busbar connection adjustment sheet can fine-tune the connection of the copper busbar, further ensuring the tightness and reliability of the connection, reducing contact resistance, and improving the efficiency of power transmission.

[0018] The U-shaped contacts at the four corners of the busbar connector sliding ring of the utility model are connected to the busbar, which can provide good electrical contact and ensure the smooth distribution and transmission of electric energy. The setting of the sliding ring limit rod limits the sliding range of the busbar connector sliding ring, preventing it from being loosened or damaged due to excessive sliding, ensuring the stability and reliability of the electrical connection, and reducing the risk of failure caused by electrical connection problems.

[0019] The circuit breaker of the utility model is electrically connected to the station switch. When an overload or short circuit occurs in the circuit, the circuit breaker can automatically trip quickly to cut off the circuit, prevent the fault from further expanding, and protect the equipment and lines from damage. This timely fault protection mechanism effectively improves the safety and reliability of the ring network box and reduces power outage time and economic losses.

[0020] The station switch and ring network box operation button installed on the outer panel of the ring network box cabinet door of the utility model facilitate the operator to control the on and off of the circuit and operate other auxiliary equipment. The three working positions of the station switch, closing, opening and grounding, are clear and distinct, and the operator can operate quickly and accurately as needed, reducing the risk of operating errors.

[0021] The overall structure of the ring network box of the utility model is convenient for the staff to carry out daily inspection and maintenance. After opening the door of the ring network box, the internal components are clearly arranged and easy to observe and operate. At the same time, the installation method and connection structure of each component are also convenient for disassembly and replacement, which reduces maintenance time and workload and improves maintenance efficiency.

[0022] The cable fireproof blocking baffle connected under the utility model cable bridge can effectively prevent the fire and smoke from spreading through the cable bridge when a fire occurs, provides reliable fireproof isolation protection for other equipment and personnel in the ring network box, reduces the losses caused by the fire, and improves the safety of the ring network box.

[0023] The installation of the rear cover of the ring network box of the utility model can effectively prevent dust, debris and water vapor from entering the ring network box, protect the internal equipment from the influence of external environmental factors, extend the service life of the equipment, and improve the reliability and stability of the equipment. At the same time, the reasonable setting of the cable connector also ensures the safety and reliability of the external cable connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the structure provided by the utility model;

[0025] Figure 2 A schematic diagram of the internal structure provided by the utility model;

[0026] Figure 3 A schematic diagram of the structure of the busbar connecting piece sliding ring provided by the utility model;

[0027] Figure 4 A schematic diagram of the cable bridge structure provided by the utility model;

[0028] Figure 5 This is a schematic diagram of the connecting sheet hole structure provided by the utility model.

[0029] Indicated in the figure:

[0030] 1. Main frame of ring network box; 2. Side panels of ring network box; 3. Cabinet of ring network box; 4. Door of ring network box; 5. Workstation switch; 6. Circuit breaker; 7. Operation button of ring network box; 8. Connecting beam; 9. Key hole for component installation; 10. Sliding ring rail; 11. Hole of copper bar; 12. Adjusting plate for copper bar connection; 13. Sliding ring of busbar connecting plate; 14. U-shaped contact; 15. Limiting rod of sliding ring; 16. Support frame; 17. Electrical fixing clip; 18. L-shaped connecting plate of wire; 19. Hole of connecting plate; 20. Fixing plate; 21. Cable tray; 22. Busbar fixing clamp; 23. Fireproof sealing baffle for cable: 24. Rear cover of ring network box; 25. Cable connector. DETAILED DESCRIPTION

[0031] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0032] Therefore, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model for which protection is sought, but merely represents some embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. It should be noted that the embodiments of the utility model and the features and technical solutions in the embodiments can be combined with each other without conflict. It should be noted that similar numbers and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0033] Example 1: Please refer to Figure 1-Figure 5A primary and secondary fusion ring network box comprises a ring network box main frame 1, and a ring network box side plate 2 welded on both sides of the ring network box main frame 1, a ring network box cabinet 3 is fixed at the front end of the ring network box main frame 1, a ring network box cabinet door 4 is installed in the door frame of the ring network box cabinet 3, a station switch 5 is electrically installed on the outer plate of the ring network box cabinet door 4, a circuit breaker 6 is electrically connected below the station switch 5, and a ring network box operation button 7 is arranged below the circuit breaker 6. A connecting crossbeam 8 is welded and connected inside the ring network box main frame 1, and a component installation key hole 9 is arranged on the outer surface of the connecting crossbeam 8. A sliding ring rail 10 is installed on the outer surface of the connecting crossbeam 8, a copper bar hole 11 is arranged on the top plate of the sliding ring rail 10, and a copper bar connection adjustment piece 12 is arranged below the sliding ring rail 10.

[0034] A busbar connecting piece sliding ring 13 is slidably mounted on the sliding ring slide rail 10 slide plate, and U-shaped contacts 14 are respectively mounted on the four corner ends of the busbar connecting piece sliding ring 13, and a sliding ring limiting rod 15 is fixed to the bottom rod of the sliding ring slide rail 10. A support frame 16 is arranged below the sliding ring limiting rod 15.

[0035] An electrical fixing clip 17 is provided on the bottom of the support frame 16, and an L-shaped connecting piece 18 for electric wires is connected below the electrical fixing clip 17, and a connecting piece hole 19 is provided on the outer surface of the L-shaped connecting piece 18 for electric wires. A fixing plate 20 is provided on one side of the support frame 16, and a cable tray 21 is installed on the outer surface of the fixing plate 20, and a busbar fixing clamp 22 is provided above the cable tray 21, and a cable fireproof blocking baffle 23 is connected below.

[0036] A ring network box rear cover plate 24 and a cable connector 25 electrically installed on the top of the ring network box main frame 1 are arranged on the rear frame of the ring network box main frame 1 .

[0037] The primary and secondary integrated ring network box is an important electrical equipment in the distribution network. It is mainly used to distribute, control and protect electric energy, realize flexible dispatch and management of power lines, and ensure the reliability and safety of power supply. It integrates the structure of primary equipment (such as switches and circuit breakers) and secondary equipment (such as control, protection and monitoring devices), improving the integration and intelligence level of the equipment.

[0038] Working principle of primary and secondary fusion ring network box:

[0039] The main frame 1 of the ring network box is the supporting skeleton of the entire ring network box, providing the installation foundation and structural support for the internal components. The side panels 2 of the ring network box welded on both sides play the role of sealing and protecting the internal equipment, preventing foreign objects, dust and water vapor from entering, and at the same time enhancing the overall strength and stability of the ring network box.

[0040] The ring network box cabinet 3 is fixed at the front end of the main frame 1, forming the operating space of the ring network box. The ring network box cabinet door 4 is installed in the door frame of the cabinet 3, which is convenient for the staff to enter the ring network box for inspection and maintenance. When the cabinet door 4 is closed, it can further protect the internal equipment.

[0041] The work switch 5 installed on the outer panel of the ring network box door 4 has three working positions, namely, closing, opening and grounding. In the closing position, the circuit is connected and the electric energy can be transmitted normally; in the opening position, the circuit is disconnected and the power supply is cut off for equipment maintenance or fault handling; the grounding position can connect the equipment to the earth to ensure the safety of the maintenance personnel. By operating the work switch 5, the on-off control of the circuit in the ring network box and the safe grounding protection can be realized.

[0042] The circuit breaker 6 is electrically connected to the station switch 5 and is located below it. When an overload or short circuit occurs in the circuit, the circuit breaker 6 can automatically detect the abnormal current and quickly cut off the circuit to prevent the fault from further expanding and protect the equipment and lines from damage. After the fault is eliminated, it can be reset manually or automatically to restore power supply.

[0043] The ring network box operation button 7 is arranged below the circuit breaker 6, and is used to control some auxiliary equipment in the ring network box or realize specific operation functions, such as starting ventilation equipment and lighting equipment, so as to facilitate the staff to operate in different working scenes.

[0044] The connecting crossbeam 8 inside the main frame 1 of the ring network box provides a mounting support structure for the internal components. Twenty component mounting key holes 9 arranged in a linear array on the outer surface of the connecting crossbeam 8 provide a standardized interface for the installation of various electrical components, facilitate accurate installation and fixation of components of different specifications and functions, and ensure the installation accuracy and stability of the equipment.

[0045] The sliding ring rail 10 is installed on the outer surface of the connecting beam 8, and the copper busbar hole 11 on the top plate is used to install the copper busbar, which is an important conductor for power transmission. The copper busbar can be used to transmit power between different electrical devices. The copper busbar connection adjustment piece 12 is located below the sliding ring rail 10, and can fine-tune the connection of the copper busbar to ensure the tightness and reliability of the copper busbar connection, reduce contact resistance, and reduce power loss.

[0046] Busbar connector sliding ring: The busbar connector sliding ring 13 is slidably mounted on the slide of the sliding ring rail 10, and the U-shaped contacts 14 at the four corners are used to connect to the busbar. The busbar is the main line for power distribution in the ring network box. The connection between the U-shaped contact 14 and the busbar realizes the distribution and transmission of power from the busbar to other electrical equipment. The sliding ring limit rod 15 is fixed to the bottom rod of the sliding ring rail 10 to limit the sliding range of the busbar connector sliding ring 13, prevent it from sliding too much and causing the connection to become loose or damaged, and ensure the stability of the electrical connection.

[0047] The support frame 16 is embedded below the sliding ring limit rod 15 to support and fix other components, thereby providing a stable support structure for electrical connection and equipment installation in the ring network box.

[0048] The electrical fixing clip 17 is arranged on the bottom edge of the support frame 16 to fix the wires, ensure the firmness and safety of the wire connection, prevent the wires from loosening or falling off during operation, and avoid electrical failures caused by poor wire connection.

[0049] The L-shaped connecting piece 18 of the electric wire is connected to the bottom of the electrical fixing clip 17, and the connecting piece hole 19 on the outer surface is used to connect with other electrical components to achieve electrical connection and power transmission between the electric wire and different devices.

[0050] The fixing plate 20 is embedded in one side of the support frame 16 to provide an installation base for the cable tray 21 components, thereby ensuring the installation stability of these components.

[0051] The cable tray 21 is installed on the outer surface of the fixing plate 20 for laying cables. It provides a safe and orderly laying channel for the cables, protects the cables from external factors, and facilitates the management and maintenance of the cables.

[0052] The busbar fixing clamp 22 is arranged above the cable bridge 21 and is used to fix the busbar to prevent the busbar from shaking or displacement during operation, thereby ensuring the stability and reliability of the busbar connection and ensuring the stable transmission of electric energy.

[0053] The cable fireproof blocking baffle 23 is connected to the bottom of the cable bridge 21. When a fire occurs, it can prevent the fire and smoke from spreading through the cable bridge, play a role in fire isolation, protect the safety of other equipment and personnel in the ring network box, and reduce the losses caused by the fire.

[0054] The rear cover plate 24 of the ring network box is installed on the rear frame of the ring network box main frame 1 to further close the ring network box, enhance the protection of the internal equipment, and prevent external factors from causing damage to the equipment.

[0055] The cable connector 25 is electrically mounted on the top of the main frame 1 of the ring mainframe, and is used to connect external cables to achieve electrical connection between the ring mainframe and the external power grid. Through the cable connector 25, electrical energy can be introduced from the external power grid into the ring mainframe, and after being distributed and controlled by internal devices, it is transmitted to various electrical devices or lines.

[0056] Workflow:

[0057] Normal power supply status: the station switch 5 is in the closed position, the circuit breaker 6 is closed, and the electric energy is introduced from the external power grid into the ring network box through the cable connector 25, and is distributed to each electrical equipment or line through the copper busbar and busbar electrical connection components to achieve normal power supply function.

[0058] Fault protection state: When an overload or short circuit occurs in the circuit, the circuit breaker 6 detects the abnormal current and trips quickly to cut off the circuit. At the same time, the station switch 5 can be switched to the open or grounded position as needed to ensure the safety of equipment and personnel. After the fault is eliminated, the staff can manually or automatically reset the circuit breaker 6 and the station switch 5 to restore power supply.

[0059] Inspection and maintenance status: When inspecting or maintaining the equipment, the staff first switches the station switch 5 to the open position, cuts off the power supply, and then switches it to the grounding position as needed to ensure reliable grounding of the equipment. Open the ring network box door 4 and enter the ring network box for inspection and maintenance operations. The auxiliary equipment, such as lighting and ventilation, can be controlled through the ring network box operation button 7 to facilitate the inspection and maintenance work.

[0060] Embodiment 2: primary and secondary fusion ring network box, the main frame 1 and the side panels 2 of the ring network box are made of high-quality carbon steel, and the thickness is determined according to the structural capacity and use environment of the ring network box, generally 3-6mm, to ensure sufficient strength and stability. The steel needs to be surface treated, such as hot-dip galvanizing, to improve corrosion resistance. The ring network box cabinet 3 and the ring network box cabinet door 4 are made of stainless steel with a thickness of 2-3mm, which has good corrosion resistance and appearance.

[0061] The station switch 5 uses a rated voltage of 10kV and a rated current of 630A, and the circuit breaker 6 also uses 25kA or 31.5kA to ensure that the circuit can be quickly cut off in the event of a fault. The ring network box operation button 7 uses a waterproof and dustproof industrial-grade button, and the colors are distinguished by different functions, such as red for stop and green for start. The connecting beam 8 uses channel steel or I-beam, and its size is determined according to the internal space and load-bearing requirements of the ring network box. The diameter of the component installation keyhole 9 is 10-12mm, and the spacing is uniform, which is convenient for the installation and fixation of the components.

[0062] The sliding ring rail 10 is made of aluminum alloy, and the surface is anodized to improve wear resistance and conductivity. The size of the copper busbar hole 11 is determined according to the specifications of the copper busbar, and is generally a rectangular hole to facilitate the installation of the copper busbar. The copper busbar connection adjustment plate 12 is made of elastic copper alloy, which can fine-tune the connection of the copper busbar to ensure good electrical contact. The busbar connection plate sliding ring 13 is made of high-strength plastic material and is inlaid with a metal conductive sheet. The U-shaped contact 14 is made of red copper and the surface is silver-plated to reduce contact resistance. The sliding ring limit rod 15 is made of stainless steel to ensure that it will not rust during long-term use.

[0063] The support frame 16 is welded with angle steel or steel plate, and its strength should meet the requirements of supporting other components. The electrical fixing clip 17 adopts an insulating plastic shell and a metal clip to ensure that the wire is firmly fixed and well insulated. The L-shaped connecting piece 18 of the wire is made of copper, and the diameter of the connecting piece hole 19 is determined according to the wire specifications. The fixing plate 20 is made of steel plate with a thickness of 3-5mm. The cable tray 21 is made of galvanized steel plate and has good corrosion resistance. The busbar fixing clamp 22 is made of high-strength plastic or metal material, which can firmly fix the busbar. The cable fireproof sealing baffle 23 is made of fire-retardant materials, such as fireproof mud or fireproof board, and its fire resistance limit should be not less than 1h. The rear cover plate 24 of the ring network box is made of the same stainless steel material as the ring network box cabinet to ensure consistent protection performance. The cable connector 25 uses a plug-in cable connector that meets national standards, which has good insulation and sealing performance and is suitable for outdoor environments. Weld the side panels 2 of the ring network box to both sides of the main frame 1 to ensure that the welding is firm. Fix the ring network box cabinet 3 to the front end of the main frame 1 by bolting or welding to ensure a firm connection. Install the ring network box cabinet door 4 in the door frame of the cabinet 3, adjust the clearance and sealing of the cabinet door, ensure that the cabinet door can be opened and closed flexibly, and there is no obvious gap after closing.

[0064] Install the station switch 5 on the outer plate of the ring network box door 4, fix it with bolts, and make electrical connections to ensure that the connection is firm and the contact is good. Electrically connect the circuit breaker 6 to the bottom of the station switch 5, also using bolt fixation and electrical connection. Install the ring network box operation button 7 and connect it to the corresponding control circuit through a wire. Weld the connecting beam 8 to the inside of the ring network box main frame 1 to ensure that its position is accurate and the levelness is good. Install the sliding ring rail 10 on the outer surface of the connecting beam 8 and fix it with bolts. Install the copper busbar on the top plate of the sliding ring rail 10, and make fine adjustments through the copper busbar connection adjustment plate 12 to ensure that the copper busbar is tightly connected.

[0065] Install the busbar connecting piece sliding ring 13 on the slide plate of the sliding ring slide rail 10 so that it can slide freely. Install the U-shaped contact 14 and connect it to the busbar. Fix the sliding ring limit rod 15 to limit the sliding range of the busbar connecting piece sliding ring 13. Install the electrical fixing clip 17 and the wire L-shaped connecting piece 18 under the sliding ring limit rod 15 on the embedded support frame 16 and make electrical connections.

[0066] A fixing plate 20 is embedded on one side of the support frame 16, and a cable tray 21 and a busbar fixing clamp 22 are installed to fix the busbar. The cable fireproof sealing baffle 23 is connected to the bottom of the cable tray 21. The rear cover plate 24 of the ring network box is installed on the rear frame of the main frame 1 of the ring network box to ensure good sealing. The cable connector 25 is electrically installed on the top of the main frame 1 of the ring network box and sealed to prevent moisture and dust from entering.

[0067] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or replacement of the present invention; and all technical solutions and improvements that do not depart from the spirit and scope of the present invention are included in the scope of the claims of the present invention.

Claims

1. A primary and secondary fusion ring network box, comprising a ring network box main frame (1), and ring network box side plates (2) welded to both sides of the ring network box main frame (1), characterized in that: A ring network box cabinet (3) is fixed to the front end of the ring network box main frame (1); a ring network box cabinet door (4) is installed in the door frame of the ring network box cabinet (3); a work position switch (5) is electrically installed on the outer plate of the ring network box cabinet door (4); a circuit breaker (6) is electrically connected below the work position switch (5); and a ring network box operation button (7) is arranged below the circuit breaker (6).

2. The primary and secondary fusion ring network box according to claim 1 is characterized in that: A connecting crossbeam (8) is welded inside the main frame (1) of the ring net box, and a component installation key hole (9) is provided on the outer surface of the connecting crossbeam (8).

3. The primary and secondary fusion ring network box according to claim 2 is characterized in that: A sliding ring rail (10) is installed on the outer surface of the connecting crossbeam (8), a copper bar hole (11) is arranged on the top plate of the sliding ring rail (10), and a copper bar connection adjustment plate (12) is arranged below the sliding ring rail (10).

4. The primary and secondary fusion ring network box according to claim 3 is characterized in that: A busbar connecting piece sliding ring (13) is slidably mounted on the slide plate of the sliding ring slide rail (10), U-shaped contacts (14) are respectively mounted on the four corner ends of the busbar connecting piece sliding ring (13), and a sliding ring limiting rod (15) is fixed to the bottom rod of the sliding ring slide rail (10).

5. The primary and secondary fusion ring network box according to claim 4 is characterized in that: A support frame (16) is provided below the sliding ring limiting rod (15).

6. The primary and secondary fusion ring network box according to claim 5, characterized in that: An electrical fixing clip (17) is provided on the bottom edge of the support frame (16), an L-shaped wire connecting piece (18) is connected below the electrical fixing clip (17), and a connecting piece hole (19) is provided on the outer surface of the L-shaped wire connecting piece (18).

7. The primary and secondary fusion ring network box according to claim 6, characterized in that: A fixing plate (20) is provided on one side of the support frame (16), a cable bridge (21) is installed on the outer surface of the fixing plate (20), a busbar fixing clamp (22) is provided above the cable bridge (21), and a cable fireproof blocking baffle (23) is provided below the cable bridge (21).

8. The primary and secondary fusion ring network box according to claim 7, characterized in that: A ring net box rear cover plate (24) is arranged on the rear frame of the ring net box main frame (1), and a cable connector (25) is arranged at the top of the ring net box main frame (1).

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