CN219248231U

CN219248231U - Circuit board central controller

Info

Publication number: CN219248231U
Application number: CN202222535854.2U
Authority: CN
Inventors: 杨波; 郭海飞
Original assignee: Henan Baolan Intelligent Technology Co ltd
Current assignee: Henan Baolan Intelligent Technology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-06-23
Anticipated expiration: 2032-09-26

Abstract

The utility model belongs to the technical field of traffic equipment and discloses a circuit board central controller which comprises a shell and a micro control unit arranged in the shell, wherein the shell comprises a panel protruding outwards, waterproof glass bonded with the front surface of the panel is arranged on the front surface of the panel, four sides of the waterproof glass are all round edges, a hydrophobic coating is coated on the front surface of the waterproof glass, an antireflection film is further arranged on the front surface of the waterproof glass, and a groove-shaped shell is connected to the back surface of the panel.

Description

Circuit board central controller

Technical Field

The utility model belongs to the technical field of traffic equipment, and particularly relates to a circuit board central controller.

Background

Along with the development of urban, in order to facilitate the travel of citizens, the number of lines and buses of a city bus system is continuously increased, line cards which facilitate the citizens to observe the lines of buses when the buses enter the station are arranged in front of, behind and on the side surfaces of the buses, and the patent with the Chinese patent publication number of CN212083940U discloses an intelligent line card central controller which comprises a shell main body and a CPU module positioned in the shell main body, wherein the input end data of the CPU module is connected with an input communication module, and the input end of the input communication module is connected with an intelligent bus management scheduling system; the input end of the output communication module is in data connection with the output end of the CPU module, and the output end of the output communication module is in data connection with the guideboard system; the intelligent circuit board central controller CAN control circuit conversion of the electronic circuit board and storage of bus circuit information, is compatible with RS485 and CAN communication functions, CAN independently control the circuit board, CAN also establish communication with a station reporting device and a vehicle-mounted GPS, automatically switches the circuit information, and CAN update content through a U disk or a network, but the intelligent circuit board central controller on a bus is generally installed near a steering wheel, a driver CAN place a water cup in a cab at the same time, tea water is sprayed onto the circuit board central controller in the drinking process, and internal equipment short circuit is easy to cause.

Disclosure of Invention

The utility model aims to provide the circuit board central controller which can effectively prevent tea from entering through a gap between the panel and the shell by arranging the waterproof pad between the shell and the panel, and the antireflection film arranged on the waterproof glass can reduce the reflection of light rays, so that a driver can conveniently watch circuit information on the liquid crystal screen.

Based on the above purpose, the utility model adopts the following technical scheme: the utility model provides a circuit board central controller, includes the shell and installs the little control unit in it, and the shell includes outwards the evagination panel, installs rather than bonding waterproof glass in the panel front, waterproof glass's four sides all round limit, scribbles hydrophobic coating in waterproof glass front, still is equipped with the antireflection coating in waterproof glass front, is connected with slot form casing at the panel back.

Preferably, the front surface of the panel is provided with a display screen hole corresponding to the antireflection film; a plurality of round key holes are also formed on one side of the square hole; a plurality of indication lamp holes are also formed on one side of the display screen hole; the front side of the panel is provided with a USB hole near the side of the key hole, a waterproof plug matched with the USB hole is arranged on the panel at one side of the USB hole, and the left side and the right side of the front side of the panel are provided with horn holes.

Preferably, fixing screw holes for fixedly connecting the shell and the panel are formed in four corners of the front surface of the panel, a waterproof pad is arranged between the shell and the panel, upwardly convex waterproof strips are further arranged on the front surface of the panel, the cross sections of the waterproof strips are arc-shaped, and water-proof grooves matched with the waterproof strips are formed in waterproof glass.

Preferably, the shell is in a boss shape, a liquid crystal screen, a key module, an indicator lamp, a USB interface and a loudspeaker which are matched with the panel are arranged in a groove of the shell, and a waterproof pad surrounding the USB interface is arranged on the outer side surface of the USB interface; a speaker hole waterproof film bonded with the speaker hole is arranged on the front surface of the speaker; the communication antenna is arranged in the shell, the input communication module is electrically connected with the communication antenna, the input communication module is arranged on the outer side surface of the shell, the output communication module is also arranged on the outer side surface of the shell, and the side surface of the output communication module is adjacent to the side surface of the input communication module; screw holes are arranged at four corners of the back of the shell, and a power module is also arranged.

Preferably, the input communication module is a 4G or 5G communication module, which comprises a SIM card slot and a communication chip; the output communication module adopts an RS485/RS232 interface.

Preferably, the input end of the micro control unit is in data connection with the key module, the input communication module and the USB interface, the micro control unit adopts an STM8L162 or STM32L552CCTX chip, and the input communication module is connected with the bus dispatching system through a cellular network; the output end of the micro control unit is connected with the loudspeaker, the indicator light, the output communication module and the liquid crystal screen in a data mode, and the output communication module is connected with the bus line board.

Preferably, a data storage module in data connection with the micro control unit is arranged in the shell.

Compared with the prior art, the utility model has the following beneficial effects: according to the circuit board central controller, the waterproof glass is arranged on the front surface of the circuit board central controller, the waterproof layer is coated on the surface of the waterproof glass, so that tea water can quickly slide down when falling into the front surface of the circuit board central controller, water is prevented from entering the circuit board central controller, meanwhile, the waterproof glass covers the surface of the circuit board central controller, a hole formed in a panel is isolated from the outside, tea water is prevented from entering the circuit board central controller through a gap between components, the USB interface and the USB hole are in interference fit, water cannot enter the circuit board central controller through the gap between the USB interface and the USB hole, and then the waterproof plug matched with the USB hole is combined to prevent water from entering the USB interface, and a horn waterproof film on the front surface of the loudspeaker can seal the horn hole without affecting normal operation of the loudspeaker.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is an enlarged schematic view of part A of the present utility model;

fig. 5 is an enlarged schematic view of part B of the present utility model.

In the figure: the waterproof device comprises a shell 1, a panel 2, waterproof strips 201, fixing screw holes 3, a liquid crystal screen 4, a key module 5, key holes 501, a USB interface 6, a signal lamp 7, screw holes 8, a power module 9, an output communication module 10, a loudspeaker 11, an input communication module 13, a shell 14, waterproof glass 15 and an antireflection film 16.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

Example 1

The circuit board central controller shown in figures 1-5 comprises a shell 1 and a micro control unit arranged in the shell 1, wherein the shell 1 comprises a panel 2 protruding outwards, waterproof glass 15 bonded with the front surface of the panel 2 is arranged on the front surface of the panel 2, four sides of the waterproof glass 15 are all round edges, a hydrophobic coating is coated on the front surface of the waterproof glass, an antireflection film 16 is further arranged on the front surface of the waterproof glass, and a groove-shaped shell 14 is connected to the back surface of the panel 2.

The front surface of the panel 2 is provided with a display screen hole corresponding to the antireflection film 16; a plurality of round key holes 501 are also formed on one side of the square hole; a plurality of indication lamp holes are also formed on one side of the display screen hole; a USB hole is formed in the front face of the panel 2 and close to the key hole 501, and a waterproof plug matched with the USB hole is arranged on the panel 2 at one side of the USB hole; horn holes are formed in the left side and the right side of the front face of the panel 2.

The front four corners of the panel 2 are provided with fixing screw holes 3 for fixedly connecting the shell 14 and the panel 2, a waterproof pad is arranged between the shell 14 and the panel 2, the front of the panel 2 is also provided with a water-proof strip 201 protruding upwards, the cross section of the water-proof strip 201 is arched, and the waterproof glass 15 is provided with a water-proof groove matched with the water-proof strip 201.

The shell 14 is in a boss shape, and a liquid crystal screen 4, a key module 5, an indicator lamp 7, a USB interface 6 and a loudspeaker 11 which are matched with the panel 2 are arranged in a groove of the shell 14; a speaker hole waterproof film bonded with the speaker hole is arranged on the front surface of the speaker 11; the communication antenna 12 is arranged in the shell 14, the input communication module 13 which is electrically connected with the communication antenna 12 is also arranged in the shell 14, the input communication module 13 is arranged on the outer side surface of the shell 14, the output communication module 10 is also arranged on the outer side surface of the shell 14, and the side surface of the output communication module 10 is adjacent to the side surface of the input communication module 13; screw holes 8 are arranged at four corners of the back of the shell 14, and a power module 9 is also arranged.

The input communication module 13 is a 4G or 5G communication module, which comprises a SIM card slot and a communication chip; the output communication module 10 adopts an RS485/RS232 interface.

The input end of the micro control unit is in data connection with the key module 5, the input communication module 13 and the USB interface 6, the micro control unit adopts an STM8L162 or STM32L552CCTX chip, and the input communication module 13 is connected with a bus dispatching system through a cellular network; the output end of the micro-control unit is in data connection with the loudspeaker 11, the indicator lamp 7, the output communication module 10 and the liquid crystal display 4, and the output communication module 10 is connected with a bus line board.

A data storage module in data connection with the micro control unit is arranged in the shell 1.

In the embodiment, when tea water is scattered on the surface of the line board central controller, the waterproof glass 15 arranged on the surface of the line board central controller can effectively prevent water from entering the interior of the line board central controller from a gap between the panel 2 and the liquid crystal screen 4, the transparent plastic film is arranged on the surface of the key module 5, meanwhile, the key module 5 is arranged in an interference fit mode, and tea water cannot enter the line board central controller through the gap between the key module 5 and the panel 2;

meanwhile, the waterproof strip 201 on the front surface of the panel 2 can prevent water vapor from entering the liquid crystal screen 4 from the key module 5, meanwhile, as the surface of the waterproof glass 15 is coated with a hydrophobic layer, water drops are difficult to attach on the surface of the waterproof glass 15 and quickly slide off the surface of the circuit board central controller, and meanwhile, as the waterproof pad is arranged between the panel 2 and the shell 14, tea water cannot enter the circuit board central controller through a gap between the panel 2 and the shell 14, so that short circuit of an internal circuit is prevented;

a loudspeaker waterproof film is arranged between the loudspeaker 11 and the panel 2, so that tea can be blocked outside the loudspeaker 11 while normal operation of the loudspeaker 11 is not affected, tea is prevented from entering the circuit board central controller through the loudspeaker 11, a waterproof plug is arranged at the USB interface 6, the USB interface 6 is closed when the circuit board central controller is not used, and tea is prevented from entering the circuit board central controller;

when the bus dispatching system goes wrong, the micro-control unit controls the indicator lamp 7 and the loudspeaker 11 to give an alarm to remind a driver, and the driver manually adjusts the information displayed on the line board through the key module 5.

The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it should be noted that variations and modifications could be made by those skilled in the art without departing from the spirit of the utility model, which would fall within the scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a circuit board central controller which characterized in that: the waterproof glass comprises a shell and a micro control unit arranged in the shell, wherein the shell comprises a panel protruding outwards, waterproof glass bonded with the panel is arranged on the front surface of the panel, four edges of the waterproof glass are all rounded edges, a hydrophobic coating is coated on the front surface of the waterproof glass, an antireflection film is further arranged on the front surface of the waterproof glass, and a groove-shaped shell is connected to the back surface of the panel.

2. The line card central controller of claim 1, wherein: the front surface of the panel is provided with a display screen hole corresponding to the antireflection film; a plurality of round key holes are also formed on one side of the square hole; a plurality of indication lamp holes are also formed on one side of the display screen hole; the front side of the panel is provided with a USB hole near the side of the key hole, a waterproof plug matched with the USB hole is arranged on the panel at one side of the USB hole, and the left side and the right side of the front side of the panel are provided with horn holes.

3. The line card central controller of claim 2, wherein: the waterproof glass is characterized in that fixing screw holes for fixedly connecting the shell and the panel are formed in four corners of the front face of the panel, a waterproof pad is arranged between the shell and the panel, upwardly-protruding waterproof strips are further arranged on the front face of the panel, the cross sections of the waterproof strips are arc-shaped, and water-proof grooves matched with the waterproof strips are formed in waterproof glass.

4. A circuit board central controller according to claim 3, wherein: the shell is in a boss shape, a liquid crystal screen matched with the panel, a key module, an indicator light, a USB interface and a loudspeaker are arranged in a groove of the shell, and a loudspeaker hole waterproof film bonded with a loudspeaker hole is arranged on the front surface of the loudspeaker; an input communication module is arranged on the outer side surface of the shell, and an output communication module is also arranged on the outer side surface of the shell; screw holes are arranged at four corners of the back of the shell, and a power module is also arranged.

5. The circuit board central controller according to claim 4, wherein: the input communication module comprises an SIM card slot and a communication chip; the output communication module adopts an RS485/RS232 interface.

6. The line card central controller of claim 1, wherein: and a data storage module in data connection with the micro control unit is arranged in the shell.