CN219352035U - AP equipment protective housing that simple structure and standardization level are high - Google Patents

Abstract

The utility model relates to an AP equipment protection box with simple structure and high standardization level, which comprises: the device comprises a box body shell, a door body, round steel supporting rods, L-shaped mounting ears of a protective box, element plates, polyurethane PU sealing strips, terminal rows, grounding terminal rows, guide rails, idle openings, lightning protection devices, fiber melting boxes, wire binding frames, waterproof joints and triangular locks; the box body shell is provided with L-shaped mounting ears through a protective box and is fixed on the wall of a subway tunnel by adding flexible gaskets; the element board is used for installing the AP equipment and accessories; the waterproof connector is used for leading the protective box into the outgoing cable; the outer shell of the box body adopts a flanging design, and is matched with polyurethane PU sealing strips arranged on the door body to improve the IP protection level of the protection box; the AP equipment protective box is convenient to wire, and meets the requirements of the subway tunnel on the use environment of humidity and vibration.

Description

AP equipment protective housing that simple structure and standardization level are high

Technical Field

The utility model belongs to the technical field of equipment protection boxes, and particularly relates to an AP equipment protection box with a simple structure and high standardization level.

Background

The subway passenger information system comprises a train-ground wireless network system, is used for realizing information interaction between the train passenger information system, a train broadcasting system and a train video monitoring system and a ground station and a control center in real time, wherein core equipment of the train-ground wireless network system is AP equipment, the AP equipment is technical mature conventional equipment, and the use requirements of subway tunnel environments with the temperature of-25 ℃ to +70 ℃, the humidity of 0-100% and the vibration of 5-100 HZ are met; the air switch and the lightning protector are connected with the AP equipment to meet the requirements of power supply, lightning protection and maintenance; meanwhile, the AP equipment is connected with the ground switch through optical fibers, so that conversion and data interaction between a wired network and a wireless network are realized; the AP equipment is connected with an AP antenna arranged beside a tunnel track through a feeder line, so that the coverage of the subway tunnel wireless network is realized.

Considering severe environmental conditions of a subway tunnel, the AP equipment is protected better, and the problem of high difficulty in installation of the tunnel AP equipment is solved; further, the power supply and wiring requirements of the AP equipment are facilitated; the special design is required to meet the requirements of the protection box of the passenger information system trackside AP equipment with high vibration resistance and IP protection level, thereby facilitating the installation, wiring and maintenance of the AP equipment and accessories thereof and prolonging the service life of the equipment.

Disclosure of Invention

Aiming at the current situation of installation and use of the AP equipment of the passenger information system, the technical problem to be solved by the utility model is to provide the protection box of the AP equipment of the passenger information system, which has the advantages of simple structure, meeting the use conditions of subway tunnels in vibration resistance and humid and severe environments, facilitating the installation, wiring and maintenance of the AP equipment and accessories at the side of the rail and achieving the protection level of more than IP 65.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model relates to an AP equipment protection box with simple structure and high standardization level, which comprises: the device comprises a box body shell, a door body, round steel supporting rods, element plates, L-shaped mounting lugs of a protective box, polyurethane PU sealing strips, terminal blocks, grounding terminal blocks, guide rails, idle openings, lightning protection devices, fiber melting boxes, wire binding frames, waterproof joints and triangular locks; the L-shaped mounting lugs of the protective box are used for mounting the box body shell; the element plate is used for installing the AP equipment and accessories thereof and is fixed in the box body shell through element plate installation holes; the waterproof joint is arranged at the bottom of the box body shell; the round steel stay bar is used for supporting the door body.

Further: l-shaped mounting ears are arranged on the left side and the right side of the box body shell, mounting holes are formed in the upper position and the lower position of each L-shaped mounting ear, vibration-proof flexible gaskets are added, and the box body shell is mounted on the wall of a subway tunnel through chemical anchor bolts; triangular locks are arranged on the left side and the right side of the door body of the case body shell and used for fixing the locking door body; the bottom of the door body is provided with a plurality of tiny water outlet holes for discharging condensed water in the box body shell.

Further: the element board is provided with equipment mounting and fixing holes for mounting and fixing AP equipment, a fiber melting box, a terminal strip, a grounding terminal strip, a guide rail and a wire binding frame; element plate mounting holes are formed in four corners of the element plate for fixing the element plate inside the case.

Further: the air-break lightning protection device adopts a general guide rail type installation mode and is fixed on a guide rail through a bottom pull tab.

Further: a plurality of wire binding frames are arranged on the element plate and are used for fixedly connecting feeder lines, power lines and tail fibers of the AP equipment; fixedly connecting a power line of the lightning protection device; an optical cable and a tail fiber which are fixedly connected with the fiber melting box; a ground wire for fixing the ground terminal block; and the power line is fixedly connected with the in-out terminal row.

Further: the bottom of the box body shell is provided with a waterproof joint mounting hole, and the waterproof joint is used for connecting in and out a power line and an optical cable and connecting out an antenna feeder line and a grounding wire after being mounted; the aperture of the waterproof joint mounting hole is matched with the specification and the model of the waterproof joint, and the specification and the model of the waterproof joint are matched with the diameter of a wire passing through the waterproof joint.

Further: the upper edge of the box body shell adopts a flanging design, and polyurethane PU sealing strips on the door body are matched for use, so that the tightness of the protective box is improved, the protective box reaches the protection level above IP65, and the use requirement of the subway tunnel in a humid environment is met.

Further: round steel stay bar sliding grooves are welded on the left side and the right side of the inside of the box body shell, and round steel stay bars are welded on the door body through T-shaped heads and used for supporting the door body when wiring and overhauling equipment; the door body is connected with the box body shell through a matched hinge.

The beneficial effects of the utility model are as follows:

the AP equipment protection box with simple structure and high standardization degree can meet the use requirement of the subway tunnel in humid and severe environment conditions, the protection level of the protection box can reach over IP65 level, and the service lives of the AP equipment and accessories are prolonged; the component plates are arranged in the protective box independently and used for installing the AP equipment and accessories thereof, so that the complete workload of the AP equipment and accessories thereof is simplified, and the equipment assembly efficiency is improved; the passenger information system trackside AP equipment protective box is taken as a whole, so that equipment wiring is standardized, the passenger information system trackside AP equipment protective box becomes a standardized product, and the equipment universality is improved; the passenger information system is installed by the trackside AP equipment protective box and the subway tunnel wall with the flexible gaskets, so that the vibration use requirement of the subway tunnel is met.

Drawings

Fig. 1 is a schematic structural diagram of an AP device protection box with a simple structure and high standardization level according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a housing and a door structure of a protective housing according to an embodiment of the utility model.

FIG. 3 is a left side view of a protective housing according to an embodiment of the utility model.

FIG. 4 is a top view of a protective housing according to an embodiment of the utility model.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, and thus the scope of the present utility model is more clearly and clearly defined, but the description of the embodiments is not limited thereto.

Referring to fig. 1 to 4, an AP device protection box of the present utility model having a simple structure and high standardization level includes: the protective box comprises a box body shell 1, a door body 15, a round steel stay bar 2, an element plate 3, a protective box L-shaped mounting ear 4, a polyurethane PU sealing strip 5, a terminal strip 6, a grounding terminal strip 7, a guide rail 17, an empty switch 8, a lightning arrester 9, a fiber melting box 10, a triangular lock 11, a wire binding frame 12 and waterproof joints 20-28; the L-shaped mounting lugs 4 of the protective box are used for mounting the fixed box body shell 1 on the wall of the subway tunnel; the element board 3 is used for installing the AP equipment 19 and accessories thereof, and is fixed inside the box shell 1 through the element board installation hole 13; the round steel stay bar 2 is used for supporting the door body 15.

Referring to figures 1-2, the left and right sides of the box body shell 1 are provided with protective box L-shaped mounting lugs 4, each side of the protective box L-shaped mounting lugs 4 is provided with two mounting holes, 4 chemical anchor bolts are adopted, and a cushion vibration-proof flexible gasket is used for fixing the box body shell 1 on the wall of a subway tunnel, so that the use requirement of subway tunnel vibration is met, a certain gap is reserved between the box body shell 1 and the wall of the subway tunnel, and water drops flowing down from the wall of the subway tunnel are prevented from entering the box body shell 1; the door body 15 is provided with the triangular lock 11, and the equipment is in a locking state when the equipment normally operates, so that the equipment is prevented from being stolen and the box body is prevented from being carried out by water vapor and dust; the bottom of the door body 15 is provided with a plurality of tiny water outlet holes 16 for removing condensate water formed by temperature difference between the heat dissipation of the internal equipment of the protective box and the outside.

Referring to fig. 1, the component board 3 is provided with a device mounting and fixing hole 18 for mounting and fixing an AP device 19, a fuse box 10, a terminal block 6, a ground terminal block 7, a guide rail 17, and a wire binding frame 12; the AP equipment 19 is core equipment of a train-ground wireless network system; the fiber melting box 10 adopts a conventional product in the market and is used for protecting tail fibers after fiber melting of the optical cable, and the tail fibers are connected with the AP equipment 19; the terminal strip 6 adopts a conventional product in the market and is used for connecting a power line into and out of an AP equipment protection box beside a passenger information system track; the grounding terminal block 7 is made of conventional products in the market and is used for grounding the internal equipment of the protective box and the shell of the box to the common grounding wire of the subway tunnel.

Referring to fig. 1, the air switch 8 and the lightning protection device 9 are installed in a general guide rail type, and are fixed on a guide rail 17 through a bottom pull tab; after a power supply is led into the protective box through the terminal block 6, the air switch 8 and the lightning protector 9 are connected, so that the electric safety of the equipment is ensured; AP device 19 directly takes power through air switch 8.

Referring to fig. 1, a plurality of wire binding frames 12 are arranged on an element board 3 and are used for fixedly connecting feeder lines, power lines and tail fibers of an AP device 19; the power line is fixedly connected with the air inlet and outlet switch 8 and the lightning protector 9; an optical cable and a tail fiber fixedly connected with the fiber melting box 10; a ground wire of the fixed ground terminal block 7; and is fixedly connected with a power line passing in and out of the terminal block 6.

Referring to fig. 1, the element plate 3 has element plate mounting holes 13 formed at four corners thereof for fixing the element plate 3 inside the box housing 1.

Referring to fig. 1-2, the bottom of the box body shell 1 is provided with a waterproof joint mounting hole 14 for mounting waterproof joints 20-28; the waterproof joints 20-23 penetrate through antenna feeder lines and connect the AP equipment with the AP antenna arranged on the wall of the subway tunnel so as to realize wireless signal coverage of the subway tunnel; the waterproof joints 24-25 are used for leading in and leading out the optical cable, so that the AP equipment is connected with the ground station exchanger equipment; the waterproof connectors 26-27 are used for leading in and leading out a power line, so that power supply of the box body AP equipment and the next box body AP equipment is realized; the waterproof connector 28 is used for introducing a public ground wire of a subway tunnel, so that the grounding of the equipment in the protective box body and the box body shell 1 is realized; the specification and the model of the waterproof joint are matched with the wire and the cable, if gaps exist, the waterproof joint is plugged by the fire-proof mud, so that the requirements of fire safety and protection IP level of equipment are ensured.

Referring to fig. 2, the box body shell 1 adopts a flanging design, and is matched with the Polyurethane (PU) sealing strip 5 on the door body 15 to enable the box body to reach the protection level above IP65, thereby meeting the use requirement of the subway tunnel in a humid environment; round steel stay bar sliding grooves 30 are welded on the left side and the right side of the inside 1 of the box body shell, and round steel stay bars 2 are welded on the door body 15 through T-shaped heads 29 and used for supporting the door body 15 when equipment is wired and overhauled; the door body 15 is mounted to the cabinet housing 1 by a mating hinge 31.

Further: the whole material of the box body shell 1 adopts SPCC material, the specification size parameter is 700mm 500mm 200mm (length. Width. Height), the limited space installation requirement of subway tunnels is met, the whole plate thickness is 2.0mm, and the box body shell is ensured not to deform during installation.

Further: the component board 3 is made of SPCC material, and the specification and dimension parameters are 525mm x 360mm x 2mm (length x width x thickness), so that the component board can be mounted inside the box housing 1.

The present utility model has many specific applications, and the above description is of the preferred embodiments of the utility model, it should be noted that it will be apparent to those skilled in the art that several modifications can be made without departing from the principles of the utility model: changing the parameter size or material of the protective box; the wall mounting mode is changed into a hoop mounting mode and is used for mounting the vertical rod; the AP equipment is changed, the number of the feed lines is different, so that the number of the waterproof connector mounting holes is increased or reduced, and the like; such modifications are also to be considered as protecting the scope of the present utility model.

Claims (6)

1. An AP device protection box having a simple structure and a high degree of standardization, comprising: the device comprises a box body shell, a door body, round steel supporting rods, L-shaped mounting ears of a protective box, element plates, polyurethane PU sealing strips, terminal rows, grounding terminal rows, guide rails, idle openings, lightning protection devices, fiber melting boxes, wire binding frames, waterproof joints and triangular locks; the device is characterized in that a component plate is arranged in the shell of the box body through a component plate mounting hole, and a device mounting fixing hole is formed in the component plate and is used for mounting and fixing AP (access point) devices, guide rails, terminal rows, grounding terminal rows, fiber melting boxes and wire binding frames; the box body shell is connected with the door body through a matched hinge, and is additionally provided with vibration-proof flexible gaskets on the wall of the subway tunnel through L-shaped mounting ears of the protective boxes on the left side and the right side.

2. The AP equipment protection box with simple structure and high standardization level as claimed in claim 1, wherein a plurality of tiny water outlet holes are arranged on the frame at the bottom of the door body; triangular locks are arranged on the left side and the right side of the door body.

3. The AP equipment protection box with simple structure and high standardization level as claimed in claim 1, wherein the air-break lightning arrester is fixed on the guide rail through a pull-tab at the bottom of the equipment.

4. The AP device protecting box with simple structure and high standardization level according to claim 1, wherein the wire binding frame is mounted on the element board, and is used for fixedly connecting with a feeder line, a power line and a tail fiber of the AP device, fixedly connecting with a power line of an in-out air switch and a lightning protection device, fixedly connecting with an optical cable and a tail fiber of the in-out fiber melting box, fixedly connecting with a grounding wire of a grounding terminal row, and fixedly connecting with a power line of an in-out terminal row.

5. The AP equipment protection box with simple structure and high standardization level as claimed in claim 1, wherein the bottom of the box body shell is provided with a waterproof joint mounting hole for mounting a waterproof joint; the outer shell of the box body adopts a flanging design and is matched with a Polyurethane (PU) sealing strip arranged on the door body; the waterproof joint is plugged by fireproof mud after threading.

6. The AP equipment protection box with simple structure and high standardization level according to claim 1, wherein round steel stay bar sliding grooves are welded on the left side and the right side of the inside of the box body, and round steel stay bars are welded on the door body through T-shaped heads.

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