CN214413291U - Protective structure capable of reaching IP54 protection level based on OBU of vehicle-mounted device - Google Patents

Abstract

A protection structure capable of achieving IP54 protection level based on an OBU (on board unit) of vehicle-mounted equipment is characterized in that a shell piece is provided with a plurality of notches serving as mounting ports of terminals; the terminal is connected with a rubber plug, a groove is formed in the rubber plug, and the groove clamps the shell part; the shell piece is provided with EVA foam cotton glue at the groove opening, a pressing plate is connected outside the shell piece, and the EVA foam cotton glue is tightly pressed on the shell piece by the pressing plate. The utility model discloses simple structure, through the inseparable assembly of rubber buffer and each terminal, panel beating casing spare to and tightly with the double seal protection of EVA bubble celloidin compaction on the panel beating casing spare in order to reach at least IP54 protection level, simultaneously through the clamp plate the utility model discloses set up the space dislocation at the upper and lower position of notch department, be convenient for install.

Description

Protective structure capable of reaching IP54 protection level based on OBU of vehicle-mounted device

Technical Field

The utility model relates to a mobile unit protection field, concretely relates to protective structure based on mobile unit OBU can reach IP54 protection level.

Background

The IP protection grade system is drafted by IEC, the electric appliances are classified according to the characteristics of dust prevention and moisture prevention, the IP protection grade consists of two numbers, the 1 st number represents the grade of dust prevention and foreign object invasion prevention of the electric appliances, the 2 nd number represents the tightness of moisture prevention and water immersion prevention of the electric appliances, and the larger the number is, the higher the protection grade is.

The HIK-O1-JX002L/RT intelligent vehicle-mounted terminal OBU serves as basic equipment of a vehicle-mounted end of the intelligent vehicle-road cooperation system and carries out information interaction with road side equipment through LTE-V, and the intelligent vehicle-mounted terminal can acquire state information of speed, position and the like of a running vehicle and push the state information to a cloud end and the road side terminal. In the field of intelligent vehicle-mounted terminal OBUs, the OBUs are required to work in a harsh environment and have high protection level requirements, but the OBUs in the prior art can achieve protection levels generally below IPX3 due to the fact that the OBUs necessarily contain a plurality of radio frequency antenna ports, network cable ports, USB ports, power ports and the like, the requirements are difficult to achieve, and further the service life of the OBUs is influenced.

The utility model provides a protective structure of easily installing promotes the protection level of mobile unit OBU IP54 and above.

Disclosure of Invention

According to the problem that the background art provided, the utility model provides a protective structure that can reach IP54 protection level based on mobile unit OBU solves, and is right next the utility model discloses do and further explain.

A protection structure capable of achieving IP54 protection level based on an On Board Unit (OBU) is applied to a shell piece on the OBU, and a plurality of notches are formed in the shell piece and used as mounting ports of terminals; the terminal is connected with a rubber plug, a groove is formed in the rubber plug, and the groove clamps the shell part; the shell piece is provided with EVA foam cotton glue at the groove opening, a pressing plate is connected outside the shell piece, and the EVA foam cotton glue is tightly pressed on the shell piece by the pressing plate.

Preferably, the terminal is provided with a clamping groove, the inner ring of the rubber plug is provided with a convex part, the convex part is matched with the clamping groove, the terminal and the rubber plug form an installation whole body, the installation is convenient, the relative displacement of the terminal and the rubber plug is limited, and the terminal can be stabilized at the groove opening when the interface is plugged and unplugged.

Preferably, the housing member has a dislocation at the upper and lower parts of the groove, the dislocation width is equal to the width of the convex part arranged on the inner ring of the rubber plug, under the dislocation, the whole installation body formed by the terminal and the rubber plug can move upwards along the housing member at the lower part, and finally, the groove of the rubber plug can be butted on the housing member to complete the installation and fixation, thereby improving the installation convenience.

Has the advantages that: compared with the prior art, the utility model discloses simple structure through the inseparable assembly of rubber buffer and each terminal, panel beating casing spare to and tightly with the double seal protection of EVA bubble celloidin compaction on the panel beating casing spare in order to reach at least IP54 protection level, simultaneously through the clamp plate the utility model discloses set up the space dislocation in the upper and lower position of notch department, be convenient for install.

Drawings

FIG. 1: the structure of the utility model is shown schematically;

FIG. 2: a side view of an on-board unit (OBU);

FIG. 3: the side view of the OBU after the pressing plate is detached;

in the figure: the shell component comprises a shell component 1, a terminal 2, a clamping groove 21, a rubber plug 3, a groove 31, a convex part 32, EVA foam rubber 4 and a pressing plate 5.

Detailed Description

A specific embodiment of the present invention will be described in detail with reference to fig. 1-3.

A protection structure capable of achieving IP54 protection level based on an OBU (on board unit) is applied to a shell member 1 on the OBU, a plurality of notches are formed in the shell member 1 and used as installation ports of terminals 2 such as a radio frequency antenna port, a network cable port, a USB (universal serial bus) port and a power supply port, a rubber plug 3 is connected to the terminals 2, a groove 31 is formed in the rubber plug 3, and the shell member 1 is clamped by the groove 31; the shell member 1 is further provided with EVA foam adhesive 4 at the groove, the shell member 1 is further connected with a pressing plate 5 through a fastener, and the pressing plate 5 tightly presses the EVA foam adhesive 4 on the shell member 1.

On one hand, the rubber plug 3 is sleeved on each terminal 2 to form an installation body, the installation body is inserted on the OBU shell member 1 to form a sealed structure, and the rubber plug 3, each terminal 2 and the sheet metal shell member 1 are tightly assembled with each other; on the other hand, the pressing plate 5 will tightly press all the EVA foam 4, so as to enhance the sealing effect, and water and dust will not enter the equipment from the gap between the port and the OBU, so that the IP54 protection grade can be achieved.

In this embodiment, be provided with draw-in groove 21 on the terminal 2, rubber buffer 3 in circle on be provided with convex part 32, convex part 32 and draw-in groove 21 cooperation, terminal 2 forms the installation of being convenient for wholly with rubber buffer 3, has also restricted terminal 2 and rubber buffer 3's relative displacement, terminal 2 can be stable in notch department when plug interface.

In this embodiment, for improving the convenience of installation, a dislocation exists at the upper and lower positions of the housing member 1 at the notch, the width of the dislocation is equal to the width of the protrusion 32 arranged on the inner ring of the rubber plug 3, under the dislocation, the whole installation body formed by the terminal 2 and the rubber plug 3 can move upwards along with the housing member 1 at the lower part, and finally, the groove 31 of the rubber plug 3 can be butted on the housing member 1 to complete installation and fixation.

The utility model discloses simple structure, through the inseparable assembly of rubber buffer 3 and each terminal 2, panel beating casing spare 1 to and tightly with EVA bubble celloidin 4 compaction dual seal protection on panel beating casing spare 1 in order to reach at least IP54 protection level, simultaneously through clamp plate 5 the utility model discloses set up the space dislocation in the upper and lower position of notch department, be convenient for install.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. A protection structure capable of achieving IP54 protection level based on an On Board Unit (OBU) is applied to a shell member (1) on the OBU, and a plurality of notches are formed in the shell member (1) and serve as mounting ports of terminals (2); the method is characterized in that:

a rubber plug (3) is connected to the terminal (2), a groove (31) is formed in the rubber plug (3), and the groove (31) clamps the shell member (1);

the shell member (1) is provided with EVA foam cotton (4) at the groove, the shell member (1) is also connected with a pressing plate (5), and the EVA foam cotton (4) is tightly pressed on the shell member (1) by the pressing plate (5).

2. The protective structure according to claim 1, characterized in that:

be provided with draw-in groove (21) on terminal (2), rubber buffer (3) inner circle on be provided with convex part (32), convex part (32) and draw-in groove (21) cooperation, terminal (2) and rubber buffer (3) form an installation wholly.

3. The protective structure according to claim 1, characterized in that:

and a dislocation exists at the upper part and the lower part of the shell member (1) at the notch, the dislocation width is equal to the width of a convex part (32) arranged on the inner ring of the rubber plug (3), and under the dislocation, the mounting whole formed by the terminal (2) and the rubber plug (3) can move upwards along with the shell member (1) at the lower part so that the groove (31) of the rubber plug (3) is butted on the shell member (1).

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