CN216390467U

CN216390467U - Communication connection wire harness of industrial personal computer of automatic driving automobile

Info

Publication number: CN216390467U
Application number: CN202122780228.5U
Authority: CN
Inventors: 郑侃; 涂海南; 林毅鹏; 张兆东
Original assignee: Dongguan Meisen Zhizao Technology Co ltd
Current assignee: Dongguan Meisen Zhizao Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-26
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a communication connection wire harness of an automatic driving automobile industrial personal computer. The first joint, the second joint, the third joint and the fourth joint are all wrapped with metal shielding cases, and the first joint and the second joint are connected through a first shielding wire; the third joint is connected to the second joint through a second shielding wire; the fourth connects at the second through the third shielded wire, therefore all cables and joints all have fine shielding effect, have fine interference killing feature. In addition, a wire arranging device is arranged in the shell of the second joint. This reason line ware is favorable to letting the cable neatly arrange, still has good sealed effect simultaneously.

Description

Communication connection wire harness of industrial personal computer of automatic driving automobile

Technical Field

The utility model relates to the technical field of automobile manufacturing, in particular to a communication connection wire harness of an industrial personal computer of an automatic driving automobile.

Background

With the progress of science and technology, more and more automatic driving automobiles are on the market. Autonomous vehicles require the installation of a large number of sensors that are connected to the host computer of the vehicle by cables. The signal transmission requirement of the automatic driving automobile is high, and the signal transmission requirement needs to have very good anti-interference performance, however, the anti-interference performance of the common automobile cable is poor, and the requirement of the anti-interference performance cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to the defects in the prior art, and the main object of the present invention is to provide a communication connection harness for an industrial personal computer of an automatic driving vehicle, which has strong anti-interference performance, so as to overcome the defects in the prior art.

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

the application provides a communication connection wire harness of an automatic driving automobile industrial personal computer, which comprises a first joint, a second joint, a plurality of third joints and a fourth joint; the first joint, the second joint, the third joint and the fourth joint are all wrapped with metal shielding cases;

the first connector and the second connector are connected through a first shielding wire; the third joint is connected to the second joint through a second shielding wire; the fourth joint is connected to the second joint through a third shielding wire, and a grounding short-circuit wire is connected to the fourth joint;

a PCB is arranged in the second joint; the core welding of second shielded wire and third shielded wire is in the access side of PCB board, and the core welding of first shielded wire is in the outflow side of PCB board.

Preferably, the first joint is provided with a positioning notch.

Preferably, the first shielding line is between 5000-6000 mm; the second shielding line and the third shielding line are between 500-600mm, and the third shielding line is between 200-300 mm.

Preferably, the grounding short-circuit wire is an ultrathin-wall crosslinked polyethylene insulated heat-resistant low-voltage wire

Preferably, the first joint is an M12 female joint; the third joint is an RS female joint; the fourth joint is a square female joint with four holes.

Preferably, the third joint is one of RS-232, RS-422 and RS-485.

Preferably, a cloth-based adhesive tape is wound on the bonding short-circuit line.

Preferably, the first shielded wire, the second shielded wire and the third shielded wire are armored shielded cables.

Further, the second connector comprises a shell, a wire arranging device and the PCB; the PCB and the wire arranging device are arranged in the shell.

Further, the wire arranging device comprises a wire arranging device shell, elastic rubber and a wire arranging device sleeve; an internal thread is arranged inside the wire arranging device shell; the outer surface of the wire arranging device sleeve is provided with external threads, and the wire arranging device sleeve is provided with a shrinkage groove; the elastic rubber is arranged inside the wire collector sleeve; the elastic rubber is provided with a plurality of wiring holes for the cables to pass through; the inner wall of the wire arranging device sleeve extrudes the elastic rubber.

Compared with the prior art, the communication connection wire harness of the industrial personal computer of the automatic driving automobile has obvious advantages and beneficial effects, and particularly, according to the technical scheme, all cables and joints of the communication connection wire harness of the industrial personal computer of the automatic driving automobile have good shielding effects and good anti-interference capability.

The PCB board and the wire cores of the first shielding wire and the second shielding wire are connected by welding, so that a good contact effect can be kept, and the looseness is not easy to occur.

The reason line ware can prevent that the cable from becoming flexible, also can reach good sealed effect.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is an overall schematic diagram of an embodiment of the present invention.

FIG. 2 is a schematic view of a first connector according to an embodiment of the present invention.

FIG. 3 is a schematic view of a third joint according to an embodiment of the present invention.

FIG. 4 is a schematic view of a fourth joint according to an embodiment of the present invention.

Fig. 5 is a schematic diagram of the wiring of the PCB board according to the embodiment of the present invention.

Fig. 6 is a schematic diagram of a wire organizer according to an embodiment of the present invention.

The attached drawings indicate the following:

10. first joint 11, second joint 12, third joint

13. Fourth connector 14, positioning notch 20 and first shielding wire

21. Second shield wire 22, third shield wire 23, and ground short-circuiting wire

30. Reason line ware 31, metal loop 32, reason line ware shell

33. Elastic rubber 34, wire arranging device sleeve 35 and shell

36. PCB board 37, shrink groove 38, routing hole.

Detailed Description

Referring to fig. 1 to 6, a specific structure of a preferred embodiment of the present invention is shown, which is a communication connection harness for an industrial personal computer of an automatic driving vehicle.

The first joint 10, the second joint 11, the third joint 12 and the fourth joint 13 are all wrapped with metal shielding cases; the first connector 10 and the second connector 11 are connected through a first shielding wire 20; the third connector 12 is connected to the second connector 11 through a second shielded wire 21; the fourth connector 13 is connected to the second connector 11 through the third shielding wire 22, so that all cables and connectors have good shielding effect and good anti-interference capability.

The application provides a communication connection wire harness of an automatic driving automobile industrial personal computer, which comprises a first joint 10, a second joint 11, a plurality of third joints 12 and a fourth joint 13; the first joint 10, the second joint 11, the third joint 12 and the fourth joint 13 are all wrapped with metal shielding cases; the first connector 10 and the second connector 11 are connected through a first shielding wire 20; the third connector 12 is connected to the second connector 11 through a second shielded wire 21; the fourth joint 13 is connected to the second joint 11 through a third shielding wire 22, and the fourth joint 13 is connected with a grounding short-circuit wire 23; a PCB (printed Circuit Board) 36 is arranged in the second connector 11; the cores of the second and third shield wires 21 and 22 are soldered to the incoming side of the PCB board 36, and the core of the first shield wire 20 is soldered to the outgoing side of the PCB board 36. The first connector 10 is a convergence connector and is plugged into the device. The first connector 10 is provided with a positioning notch 14 for positioning when the first connector 10 is inserted into the device, so that the first connector 10 can be accurately inserted into the device. The metal shielding cover enables the first connector 10, the second connector 11, the third connector 12 and the fourth connector 13 to have anti-interference capacity, and meanwhile, the first shielding wire 20, the second shielding wire 21 and the third shielding wire 22 also have shielding effects, so that the communication connection wire harness of the automatic driving automobile industrial personal computer is high in anti-interference capacity. The cores of the PCB 36 and the first and second shielding wires 20 and 21 are connected by welding, so that a good contact effect can be maintained and the looseness is not easy to occur. The ground shorting stub 23 contributes to improvement of the safety of the wire harness. The structure of the metal shielding case is matched with the external dimensions of the first joint 10, the second joint 11, the third joint 12 and the fourth joint 13. The third joint 12 is connected with a sensor. The bonding short-circuit wire 23 is connected with the automobile frame, and safety is improved.

Preferably, the first shielding line 20 is between 5000-; the second shielding wire 21 and the third shielding wire 22 are between 500-600mm, and the third shielding wire 22 is between 200-300mm, so that the use environment of the vehicle is adapted, and the wiring of the vehicle is more reasonable.

Preferably, the bonding short-circuit wire 23 is an ultra-thin wall crosslinked polyethylene insulated heat-resistant low-voltage wire

Preferably, the first connector 10 is an M12 female connector; the third joint 12 is an RS female joint; the fourth joint 13 is a square female joint with four holes. Preferably a first connector 10 having twelve receptacles is selected. The fourth connector 13 is preferably configured as a snap-fit quick-connect structure.

Preferably, the third joint 12 is one of RS-232, RS-422 and RS-485.

Preferably, a base tape is wound around the bonding short wire 23. The cloth-based adhesive tape takes the thermal compounding of polyethylene and gauze fiber as a base material. The high-viscosity synthetic glue is coated, has strong stripping force, tensile resistance, grease resistance, aging resistance, temperature resistance, water resistance and corrosion resistance, and is a high-adhesive tape with larger adhesive force.

Preferably, the first shield wire 20, the second shield wire 21, and the third shield wire 22 are armored shield cables. The armored shielding cable has higher strength and can prevent rats from biting and mechanical damage.

Further, the second connector 11 comprises a housing 35, a wire organizer 30 and the PCB board 36; the PCB board 36 and the wire organizer 30 are disposed within the housing 35. The reinforcing metal ring 31 at the welding hole position of the PCB 36 can improve the strength, so that the welding effect is better. The housing 35 is composed of an upper housing and a lower housing, which are covered together. The housing 35 is provided with a wire organizer 30 hole for placing the wire organizer 30. The inner wall of the hole of the wire arranging device 30 is provided with an annular limiting groove. The outer wall of the wire arranging device 30 is provided with a clamping ring. When the upper shell and the lower shell are covered, the clamping ring is clamped into the limiting groove, so that the wire arranging device 30 is fixed and cannot be loosened. The cable passes through the organiser 30 into the second connector 11.

Further, the wire organizer 30 comprises a wire organizer housing 32, an elastic rubber 33, and a wire organizer sleeve 34; an internal thread is arranged inside the wire organizer housing 32; the outer surface of the wire arranging device sleeve 34 is provided with external threads, and the wire arranging device sleeve 34 is provided with a contraction groove 37; the elastic rubber 33 is arranged inside the wire arranging sleeve 34; the elastic rubber 33 is provided with a plurality of wiring holes 38 for the cables to pass through; the inner wall of the wire organizer sleeve 34 compresses the elastic rubber 33. When the wire arranging device shell 32 is screwed on the wire arranging device sleeve 34, the shrinkage groove becomes small, the elastic rubber 33 is extruded by the inner wall of the wire arranging device sleeve 34, so that the wire routing hole becomes small, the cable can be prevented from loosening, and the sealing effect can be achieved.

In conclusion, the design of the utility model is mainly characterized in that all cables and joints of the communication connection wiring harness of the automatic driving automobile industrial personal computer have good shielding effect and good anti-interference capability.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides an automatic drive car industrial computer communication connection pencil which characterized in that: the connector comprises a first connector, a second connector, a plurality of third connectors and a fourth connector; the first joint, the second joint, the third joint and the fourth joint are all wrapped with metal shielding cases; the first connector and the second connector are connected through a first shielding wire; the third joint is connected to the second joint through a second shielding wire; the fourth joint is connected to the second joint through a third shielding wire, and a grounding short-circuit wire is connected to the fourth joint; a PCB is arranged in the second joint; the core welding of second shielded wire and third shielded wire is in the access side of PCB board, and the core welding of first shielded wire is in the outflow side of PCB board.

2. The industrial personal computer communication connection wire harness for the automatic driving automobile according to claim 1, characterized in that: and a positioning notch is arranged on the first joint.

3. The industrial personal computer communication connection wire harness for the automatic driving automobile according to claim 1, characterized in that: the first shielding wire is between 5000-6000 mm; the second shielding line and the third shielding line are between 500-600mm, and the third shielding line is between 200-300 mm.

4. The industrial personal computer communication connection wire harness for the automatic driving automobile according to claim 1, characterized in that: the grounding short-circuit wire is an ultrathin-wall crosslinked polyethylene insulated heat-resistant low-voltage wire.

5. The industrial personal computer communication connection wire harness for the automatic driving automobile according to claim 1, characterized in that: the first joint is an M12 female joint; the third joint is an RS female joint; the fourth joint is a square female joint with four holes.

6. The industrial personal computer communication connection wire harness of the automatic driving automobile according to claim 5, characterized in that: the third joint is one of RS-232, RS-422 and RS-485.

7. The industrial personal computer communication connection wire harness for the automatic driving automobile according to claim 1, characterized in that: and a cloth-based adhesive tape is wound on the bonding short-circuit line.

8. The industrial personal computer communication connection wire harness for the automatic driving automobile according to claim 1, characterized in that: the first shielding wire, the second shielding wire and the third shielding wire are armored shielding cables.

9. The industrial personal computer communication connection wire harness for the automatic driving automobile according to claim 1, characterized in that: the second connector comprises a shell, a wire arranging device and the PCB; the PCB and the wire arranging device are arranged in the shell.

10. The industrial personal computer communication connection wire harness for the automatic driving automobile according to claim 9, characterized in that: the wire arranging device comprises a wire arranging device shell, elastic rubber and a wire arranging device sleeve; an internal thread is arranged inside the wire arranging device shell; the outer surface of the wire arranging device sleeve is provided with external threads, and the wire arranging device sleeve is provided with a shrinkage groove; the elastic rubber is arranged inside the wire collector sleeve; the elastic rubber is provided with a plurality of wiring holes for the cables to pass through; the inner wall of the wire arranging device sleeve extrudes the elastic rubber.