Mining intrinsic safety type ring network switch

Abstract

The embodiment of the utility model discloses a mining intrinsic safety type ring network switch, which comprises a body and a cover plate, an electrical component mounting plate is arranged in the body, the body is of a box body structure, hinges are welded on two sides of one long edge of the body, two nut columns are arranged on two sides of the other long edge of the body, one end of the cover plate is arranged on the hinges, and the other end of the cover plate is arranged on the cover plate. One end of the cover plate is provided with two nut columns, the other end of the cover plate is provided with two mounting holes corresponding to the nut columns, and the inner side of the cover plate is provided with a circle of flame-retardant polyurethane glue.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of switch, specifically a mine intrinsic safety ring network switch. BACKGROUND

[0002] At present, the safety requirement of coal mining enterprises is higher and higher, and the current trend is unmanned, the information of underground video monitoring needs to be transmitted, and the device signal of the underground also needs to be transmitted, the existing domestic coal mine communication equipment lacks unified communication and information exchange standard, has compatibility difficulty with the existing industrial television monitoring system, the system capacity is small, the data processing effect is poor, and the coal mining environment is poor at present, the hinge position of the cover and the body of the existing switch is located on the outside, and the service life is also short. CONTENT OF THE UTILITY MODEL

[0003] The utility model discloses a mine intrinsic safety ring network switch, which can work in harsh environment, support multiple data exchange modes and realize fast, accurate and real-time data transmission.

[0004] The utility model discloses a mine intrinsic safety ring network switch, which can work in harsh environment, support multiple data exchange modes and realize fast, accurate and real-time data transmission.

[0005] The utility model discloses a mine intrinsic safety ring network switch, which can work in harsh environment, support multiple data exchange modes and realize fast, accurate and real-time data transmission.

[0006] Further, the top of the cover plate is provided with two baffle plates one and two baffle plates two, the baffle plate one and the baffle plate two are perpendicular, the length of the baffle plate one is less than the length of the long side of the body, the baffle plate two is connected with the two baffle plate one, and the hinge and the nut column are all located on the outside of the baffle plate one.

[0007] Further, one side of the body is provided with ten PG waterproof connectors, the PG waterproof connectors are divided into two groups, and the PG waterproof connectors are connected by communication cable MHSYVP-5 4*2*0.5.

[0008] Further, one end of the cover plate is provided with an opening groove, and the opening groove is located between the two mounting holes.

[0009] Further, the mounting hole is provided with a steel M6 cross slot screw, and the cross slot screw locks the body and the cover plate.

[0010] Further, the rear side of the body is provided with two U-shaped buckles and two hooks, and the hook is provided with a waist-shaped hole.

[0011] Furthermore, the U-shaped buckle has an open structure, and the U-shaped buckle and hook are installed parallel to or perpendicular to the long side of the body.

[0012] Furthermore, two switching chips, model MAS6400-8GC4XS and MAS7010-3GS, are installed on the electrical component mounting board.

[0013] Beneficial effects:

[0014] This utility model adopts a fanless, low-power, industrial-grade design, which can adapt to harsh industrial environments. The hinge is located on the inside to avoid affecting the hinge, thus playing a protective role and improving service life. A ring of flame-retardant polyurethane adhesive is applied to the inside of the cover plate, which is fastened to the upper opening of the body, achieving a flame-retardant and waterproof effect. The U-shaped buckle and two hooks can be installed vertically or horizontally, allowing for flexible installation according to the site conditions. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of an embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram illustrating an embodiment of the present invention.

[0018] Figure 3 This is a partial schematic diagram of an embodiment of the present invention;

[0019] Figure 4 This is a schematic diagram of an embodiment of the present invention after the cover plate has been removed;

[0020] Figure 5 This is a partial schematic diagram of an embodiment of the present invention. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings.

[0022] As shown in the figure, this utility model discloses an intrinsically safe ring network switch for mining applications, including a body 1 and a cover plate 2. The body 1 contains an electrical component mounting plate 3. The body 1 has a box-like structure. Hinges 4 are welded to both sides of one long side of the body 1, and two nut posts 5 are provided on both sides of the other long side of the body 1. One end of the cover plate 2 is mounted on the hinge 4, and the other end of the cover plate 2 has two mounting holes 21 corresponding to the nut posts 5. A ring of flame-retardant polyurethane adhesive 6 is provided on the inner side of the cover plate 2. The body is made of SUS304 stainless steel with a thickness of 2mm. The hinge 4 is only exposed when the cover plate 2 is open. After the cover plate 2 is sealed, the hinge 4 is located on the inner side, serving to protect the hinge 4.

[0023] Flame-retardant polyurethane adhesive 6, 20mm wide and 8mm high.

[0024] A ring of flame-retardant polyurethane adhesive 6 is applied to the inside of the cover plate, which is then fastened to the upper opening of the main body 1 to achieve a flame-retardant and waterproof effect.

[0025] Nut post 5 is M6. Mounting hole 21 is φ6.5.

[0026] This invention is installed in underground coal mines in hazardous gas environments with coal dust and methane explosions. It enables underground devices connected to a switch to exchange data with the surface, achieving remote control and monitoring. The surface computer can then manage the devices connected to the switch underground, allowing the network computer to acquire data and manage control of the underground equipment.

[0027] In one embodiment of this utility model, the top of the cover plate 2 is provided with two baffles 22 and two baffles 23. The baffles 22 and 23 are perpendicular to each other. The length of the baffle 22 is less than the length of the long side of the main body 1. Here, the main body is a cuboid, and the long side refers to the long side when the projection of the main body is a rectangle. The baffles 23 connect the two baffles 22. The hinge 4 and the nut post 5 are both located outside the baffles 22. The baffles 22 and 23 serve to block and protect the chip.

[0028] In one embodiment of this utility model, 10 PG waterproof connectors 7 are provided on one side of the main body 1. The PG waterproof connectors 7 are divided into upper and lower groups and are connected by communication cable MHSYVP-5 4×2×0.5.

[0029] In one embodiment of this utility model, one end of the cover plate 2 is provided with an opening groove 201, which is located between two mounting holes 21. The opening groove 201 facilitates the opening of the cover plate 2.

[0030] In one embodiment of this utility model, a steel M6 cross-slot screw is installed in the mounting hole 21, and the cross-slot screw locks the body 1 and the cover plate 2.

[0031] In one embodiment of this utility model, the rear side of the main body 1 is provided with two U-shaped buckles 8 and two hooks 9, and the hooks 9 are provided with waist-shaped holes 91.

[0032] In one embodiment of this utility model, the U-shaped buckle 8 has an open structure, and the U-shaped buckle 8 and the hook 9 are installed parallel to or perpendicular to the long side of the body 1.

[0033] In one embodiment of this utility model, two switching chips, model MAS6400-8GC4XS and MAS7010-3GS, are installed on the electrical component mounting plate 3.

[0034] The MAS6400-8GC4XS is a 12-port 10 Gigabit Ethernet controller, featuring 4 10 Gigabit optical ports (SFP slots) and 8 Gigabit Combo ports (SFP slots or RJ45). It employs Ring network technology, supporting single-ring, coupled-ring, chain-ring, and dual-homing ring network functions, with an automatic network fault recovery time of <20ms. It supports intrinsically safe power input with dual-channel 12~18VDC input voltage. It operates over a wide temperature range of -20 to 70℃ and meets intrinsic safety requirements.

[0035] The MAS7010-3GS series provides seven 100Mbps ports (optical / electrical optional) and three 1000Base-X ports (SFP slots). This switch employs SW-Ring ring network technology, allowing users to easily configure redundant ring networks to increase network reliability. Furthermore, the MAS7010-3GS supports various network management functions, such as 802.1Q VLAN, QoS functions, IGMP static multicast, port aggregation, and endpoint imaging. This switch can withstand harsh industrial environments, operating within a temperature range of -40 to 75°C, meeting the requirements of harsh mining sites.

[0036] The performance of this utility model is as follows:

[0037] Number of 10 Gigabit Ethernet optical interfaces: 4; Transmission method: optical signal transmission; Wavelength: 1310nm

[0038] Transmission rate: 10000Mbps; Transmit optical power: -8.2dBm~0.5dBm; Optical receiver sensitivity: ≤-14.4dBm

[0039] Maximum transmission distance: 20km (using single-mode fiber, attenuation coefficient 0.36dBm / km)

[0040] Ethernet Gigabit Optical Interface: 3 ports; Transmission Method: Optical signal transmission, wavelength 1310nm

[0041] Transmission rate: 1000Mbps; Transmit optical power: -6dBm to -1dBm; Optical receiver sensitivity: ≤-21dBm

[0042] Maximum transmission distance: 20km (using single-mode fiber, attenuation coefficient 0.36dBm / km)

[0043] Number of Ethernet 100Mbps electrical interfaces: 7; Transmission mode: Full-duplex TCP / IP electrical signal transmission; Transmission rate: 10 / 100Mbps adaptive; Maximum transmission distance: 100m (using mining flame-retardant communication cable MHSYVP-5 4×2×0.5); Maximum network reconfiguration self-healing time ≤500ms; Switch throughput: ≥103400Mbps.

[0044] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A mine-used intrinsically safe ring network switch, characterized in that, The utility model relates to a kind of electric appliance installation box, including body and cover plate, electric appliance element mounting plate is equipped in the body, the body is box structure, hinged joint is welded in the two sides of one long side of the body, the two sides of another long side of the body are equipped with 2 nut posts, one end of cover plate is installed in hinged joint, the other end of cover plate is equipped with 2 installation holes corresponding with nut post, and a circle of flame-retardant polyurethane glue is equipped in cover plate inside.

2. The mine intrinsically safe ring network switch of claim 1, wherein, The top of cover plate is equipped with 2 baffle one and 2 baffle two, baffle one and baffle two are perpendicular, the length of baffle one is less than the length of the long side of the body, baffle two connects 2 baffle one, and hinged joint and nut post are all located the outside of baffle one.

3. The mine intrinsically safe ring network switch of claim 1, wherein, One side of the body is equipped with 10 PG waterproof connectors, PG waterproof connector is divided into two groups, PG waterproof connector is connected using communication cable MHSYVP-5 4x2x0.

5.

4. The mine intrinsically safe ring network switch of claim 1, wherein, One end of cover plate is equipped with opening slot, and opening slot is located between 2 installation holes.

5. The mine intrinsically safe ring network switch of claim 1, wherein, Steel M6 cross slot screw is installed in installation hole, and cross slot screw locks the body and cover plate.

6. The mine intrinsically safe ring network switch of claim 1, wherein, The rear side of the body is equipped with 2 U-shaped buckles and 2 hooks, and waist-shaped hole is arranged at hook.

7. The mine intrinsically safe ring network switch of claim 6, wherein, U-shaped buckle is open structure, and U-shaped buckle and hook are installed parallel or vertically with the long side of the body.

8. The mine intrinsically safe ring network switch of claim 1, wherein, Two exchange chips are installed on electric appliance element mounting plate, and the model is MAS6400-8GC4XS and MAS7010-3GS respectively.

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