CN114501869A - Line control chassis electronic chip circuit board protector - Google Patents

Line control chassis electronic chip circuit board protector Download PDF

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Publication number
CN114501869A
CN114501869A CN202210026914.XA CN202210026914A CN114501869A CN 114501869 A CN114501869 A CN 114501869A CN 202210026914 A CN202210026914 A CN 202210026914A CN 114501869 A CN114501869 A CN 114501869A
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CN
China
Prior art keywords
circuit board
protection
protector
base
power
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Granted
Application number
CN202210026914.XA
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Chinese (zh)
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CN114501869B (en
Inventor
兰建平
汤文靖
董冯雷
郭文韬
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Hubei University of Automotive Technology
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Hubei University of Automotive Technology
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Priority to CN202210026914.XA priority Critical patent/CN114501869B/en
Publication of CN114501869A publication Critical patent/CN114501869A/en
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Publication of CN114501869B publication Critical patent/CN114501869B/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/0004Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/0017Casings, cabinets or drawers for electric apparatus with operator interface units
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/06Hermetically-sealed casings

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The utility model provides a drive-by-wire chassis electronic chip circuit board protector, includes circuit board protector, and circuit board protector passes through the switching cable and is connected with the line concentration converter, is equipped with a plurality of communication interfaces on the line concentration converter, and communication interface is connected with each terminal element and domain controller on the drive-by-wire chassis, and circuit board protector divide into protector and power base, sealing connection between protector and the power base. Make protection circuit board and various external bus communications pass through a cable through the setting of line concentration converter, reduce the protection point, and the protection work load that makes through the separation with circuit board and power reduces, prevent fires through the protector protection body, it is dampproofing, the data that the protection is protected to the anticollision protection through the protection of anticorrosion and anti-collision, the circuit board is holistic gateway support plate simultaneously, need not separately set up the protection for the memory bank separately, communication safety has also been protected simultaneously, the data safety of intelligent automobile has been ensured from protection thinking and protective structure.

Description

Line control chassis electronic chip circuit board protector
Technical Field
The invention relates to the field of intelligent automobile safety protection, in particular to a protective device for an electronic chip circuit board of a drive-by-wire chassis.
Background
With the development of society, the progress of technology and the continuous pursuit of people for green energy, the traditional diesel locomotive is gradually replaced by new energy vehicles, and with the development of motor technology and the continuous updating of wireless internet technology, the new energy vehicles have the trend of integrating transportation tools, information stations, local area networks and wireless networks, at the same time, more and more new energy vehicle enterprises continuously pursue the high-response high-power high-efficiency driving motors, at the same time, various intelligent controls such as a cabin domain, a driving domain, a chassis domain, a power domain and the like are integrated on an adult, the controls depend on and are distributed with sensors, radars and other various electronic components at various positions of a vehicle body, the adopted electronic components have different communication modes, and due to the communication requirements of the vehicle network and the internet, the vehicle-mounted information also needs to be communicated with a background server, so the vehicle-mounted gateway becomes various components, carrier plates, The 'translator' between the in-vehicle controller and the internet.
The existing vehicle-mounted gateway products are various, and meet the mutual communication among various communication protocols such as Ethernet, CAN, LIN and TCP/IP, along with the development of information technology, the automobile gradually becomes a part of the internet, along with the continuous improvement of the pursuit of driving experience and the continuous conjunction with a mobile network, various states and information of the automobile need to be connected with the network, so that the automobile CAN be better learned and optimized conveniently, and along with the gradual development of the automobile towards the direction of electronic products, the functions of the automobile, which CAN be combined with daily life, are more and more extensive, and along with the popularization of automatic driving technology, the derivative application is more and more deep.
Along with the development of a vehicle-mounted network, more and more vehicle data are generated, information to be processed is increased in stages, the vehicle state is uploaded, the data information of the electrical elements of the vehicle and the vehicle running data is stored in a memory of the vehicle, an engineer can check whether the vehicle is installed successfully or not in production according to the data, the vehicle is monitored according to the data in vehicle debugging, the vehicle is taught according to the data in vehicle road time, the data can be recovered and updated and improved in a targeted manner according to the authorization of a vehicle owner after subsequent sale, therefore, the data of the vehicle is particularly important and becomes a part of vehicle safety, and can be rewound through data recovery when an accident occurs, and a circuit board for storing the data needs to be protected particularly.
Disclosure of Invention
The invention aims to solve the technical problem of providing a protection device for an electronic chip circuit board of a drive-by-wire chassis, which can protect new energy data.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a line control chassis electronic chip circuit board protection device comprises a circuit board protection device, wherein the circuit board protection device is connected with a line concentration converter through a switching cable, and the line concentration converter
The circuit board protection device is arranged on the protection device protection body and is used for providing fireproof, damp-proof, corrosion-resistant and anti-collision protection for the circuit board.
The circuit board is a vehicle-mounted gateway support plate, and a memory is arranged on the vehicle-mounted gateway support plate.
A switching interface is arranged on one side of the line concentration converter and is electrically connected with the communication interface, and a vehicle-mounted OBD interface is arranged on the other side of the line concentration converter and is electrically connected with the switching interface.
The protection body of the protection device comprises a protection shell and a connection base, wherein the protection shell and the connection base are fixedly connected from top to bottom, a circuit board input interface is arranged on the protection shell, the circuit board input interface is connected with the switching cable through threads, the lower end of the connection base is connected with the power base, and the circuit board input interface is connected with the circuit board.
Foretell inside cavity of protecting sheathing and with be connected the base line segment and link up formation one end open-ended space, the circuit board is located this space center, outwards be equipped with isolated buffer layer and isolated moisture absorption layer respectively along the circuit board, isolated buffer layer fills up the space between circuit board and the protecting sheathing with isolated moisture absorption layer, isolated buffer layer comprises the dampproofing cavernosum of multilayer fire prevention, isolated buffer layer is lived the circuit board parcel, isolated moisture absorption layer parcel isolated buffer layer outside, isolated buffer layer bottom contacts with the power base.
A protection body power supply inlet is formed in the bottom of the isolation buffer layer and is close to the outer side, a power supply cable penetrates into the protection body power supply inlet from the power supply base upwards and then penetrates through the multilayer fireproof and moistureproof sponge body to be connected with the circuit board, and the power supply cable and the power supply base are in separable connection.
The circuit board input interface is connected with the switching input cable towards the inside of the protective shell, and the switching input cable penetrates through the isolation moisture absorption layer and the isolation buffer layer to be connected with the circuit board.
The outer side of the circuit board input interface is provided with a threaded connection shell, the root of the threaded connection shell is provided with a separation groove, the threaded connection shell is connected with an isolation plate, the isolation plate is fixedly connected with the protection shell, and the wire core penetrates through the isolation plate to be connected with the switching input cable.
Foretell power base includes the base, is equipped with supply circuit in the base, and the base up end is equipped with the standing groove, and the standing groove matches with the connection base appearance, is equipped with the connecting hole on the standing groove, and the connecting hole is used for connecting with the connection base, and the standing groove bottom surface is equipped with the power cord that corresponds with protection body power entry position and perforates, and the power cord is perforated and is used for the power cable to wear out.
According to the line control chassis electronic chip circuit board protection device, the protection circuit board is communicated with various external buses through the cable through the arrangement of the line concentration converter, so that protection points are reduced, the protection workload is reduced through the separation of the circuit board and a power supply, data needing to be protected are protected through the protection of a protection body of the protection device through fire prevention, moisture prevention, corrosion prevention and collision prevention, meanwhile, the circuit board is an integral gateway support plate, the protection does not need to be additionally and independently arranged for a storage body, meanwhile, the communication safety is also protected, and the data safety of an intelligent automobile is guaranteed through a protection thought and a protection structure.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a view showing a connection structure of a protection device according to the present invention;
FIG. 2 is a first block diagram of a hub converter;
FIG. 3 is a second block diagram of the hub converter;
FIG. 4 is a schematic structural diagram of a circuit board protection device;
FIG. 5 is a schematic view of a protective body of the protection device;
FIG. 6 is a schematic diagram of a power base structure;
FIG. 7 is a bottom view of the protective guard;
FIG. 8 is a cross-sectional view of the guard protector;
fig. 9 is a partially enlarged schematic view of fig. 8.
Wherein: the circuit board protection device comprises a circuit board protection device 1, a line concentration converter 2, a communication interface 3, a vehicle-mounted OBD interface 4, a switching interface 5, a switching cable 6, a circuit board input interface 7, a threaded connection shell 71, a separation groove 72, an isolation plate 73, a cable core 74, a circuit board 8, a switching input cable 9, a power cable 10, a protection device protection body 11, a protection shell 111, a connection base 112, an isolation moisture absorption layer 113, an isolation buffer layer 114, a protection body power inlet 115, a power base 12, a base 121, a placement groove 122, a connection hole 123 and a power line perforation 124.
Detailed Description
The technical scheme of the invention is explained in detail in the following by combining the drawings and the embodiment.
As shown in figures 1 and 2, the drive-by-wire chassis electronic chip circuit board protection device comprises a circuit board protection device 1, wherein the circuit board protection device 1 is connected with a hub converter 2 through a transfer cable 6, and the hub converter 2
Be equipped with a plurality of communication interfaces 3 on, communication interface 3 is connected with each terminal element and domain controller on the drive-by-wire chassis, and circuit board protector 1 divide into protector protective body 11 and power base 12, sealing connection between protector protective body 11 and the power base 12, and circuit board 8 places in protector protective body 11, and protector protective body 11 provides fire prevention, dampproofing, anticorrosion and crashproof protection for circuit board 8.
The circuit board 8 transmits the data of each terminal element on the drive-by-wire chassis to the circuit board 8 through the line concentration converter 2, the line concentration converter 2 can convert different bus type interfaces into agreement interfaces and then pass through the interfaces and the circuit board 8, the circuit board 8 is connected with external communication only through one cable, the protective device protective body 11 and external communication components only need one interface, and the protection difficulty is reduced.
The circuit board 8 is a vehicle-mounted gateway support board, and a memory is arranged on the vehicle-mounted gateway support board.
The vehicle-mounted gateway support plate is connected with an external terminal component, then the data of the terminal components with different bus types are decoded and converted, and the data are transmitted to each domain controller for calculation, so that the vehicle-mounted gateway support plate can store the calculation data of the terminal components and the domain controllers through a memory, directly protects the vehicle-mounted gateway support plate without independently setting the memory, improves the reliability of communication while protecting the safety of data, and simultaneously does not need to additionally redesign the gateway support plate.
As shown in fig. 2 and 3, one side of the hub converter 2 is provided with a switching interface 5, the switching interface 5 is electrically connected with the communication interface 3, the other side of the hub converter 2 is provided with a vehicle-mounted OBD interface 4, and the vehicle-mounted OBD interface 4 is electrically connected with the switching interface 5.
The circuit board 8, namely the vehicle-mounted gateway support plate, is connected with the communication interface 3 through the switching interface 5, is connected with the terminal element and the domain controller through the communication interface 3, and simultaneously leads out a vehicle-mounted OBD interface 4 from the gateway support plate for checking, editing and debugging vehicle-mounted data.
As shown in fig. 4 and 5, the protector 11 is divided into a protection housing 111 and a connection base 112, the protection housing 111 is fixedly connected with the protection housing, the circuit board input interface 7 is disposed on the protection housing 111, the circuit board input interface 7 is connected with the adapting cable 6 through a screw thread, the lower end of the connection base 112 is connected with the power base 12, and the circuit board input interface 7 is connected with the circuit board 8.
Through the separation design of power and circuit board 8, with power and circuit board 8 isolation in the thinking of protection circuit board 8, can prevent because the danger that the internal current trouble that the power and circuit board are integrative leads to arouses.
As shown in fig. 7-9, the protection housing 111 is hollow and penetrates the segment of the connection base 112 to form a space with an open end, the circuit board 8 is located at the center of the space, an isolation buffer layer 114 and an isolation moisture absorption layer 113 are respectively disposed along the circuit board 8, the isolation buffer layer 114 and the isolation moisture absorption layer 113 fill the space between the circuit board 8 and the protection housing 111, the isolation buffer layer 114 is composed of multiple layers of fireproof and moisture-proof sponges, the circuit board 8 is wrapped by the isolation buffer layer 114, the isolation moisture absorption layer 113 wraps the outside of the isolation buffer layer 114, and the bottom of the isolation buffer layer 114 contacts the power base 12.
Isolation buffer layer 114 provides the buffering when high acceleration strikes for circuit board 8, and isolation buffer layer 114 body is prevented fires dampproofingly, and isolation moisture absorption layer 113 is this internal to add has lime, the moisture-laden gas of adsorbable, and isolation moisture absorption layer 113 hardness is less than protective housing 111 greatly also can provide the second grade buffering for circuit board 8.
As shown in fig. 8, a protection power inlet 115 is provided near the outside at the bottom of the isolation buffer layer 114, the power cable 10 is passed upward from the power base 12 through the protection power inlet 115 and then traverses the multi-layer fireproof and moisture-proof sponge body to connect with the circuit board 8, and the power cable 10 is detachably connected with the power base 12.
The power cable 10 is connected with the circuit board 8 in an upward and transverse mode, connection between the circuit board 8 and a power source can be blocked, heat sources, moisture and the like are prevented from entering the circuit board 8 easily, the power source is disconnected from the circuit board 8 in an emergency due to the fact that the power cable 10 is detachably connected with the power base 12, and the circuit board 8 cannot be damaged when the power source is on fire.
As shown in fig. 8, the circuit board input interface 7 is connected to the patch input cable 9 inside the protective housing 111, and the patch input cable 9 is connected to the circuit board 8 through the isolation moisture absorption layer 113 and the isolation buffer layer 114.
As shown in fig. 9, a threaded connection housing 71 is disposed outside the circuit board input interface 7, a separation groove 72 is disposed at the root of the threaded connection housing 71, the threaded connection housing 71 is connected to an isolation plate 73, the isolation plate 73 is fixedly connected to the protection housing 111, and the wire core 74 passes through the isolation plate 73 and is connected to the switching input cable 9.
The separation groove 72 at the root of the threaded connection shell 71 enables the connection with the adapter cable 6 to be disconnected by the action force of the threads when collision occurs, prevents the short circuit phenomenon caused by the pulling of the cable, and isolates the protective shell 111 from the outside through the isolation plate 73.
As shown in fig. 6, the power supply base 12 includes a base 121, a power supply circuit is disposed in the base 121, a placement groove 122 is disposed on an upper end surface of the base 121, the placement groove 122 matches with the connecting base 112 in shape, a connection hole 123 is disposed on the placement groove 122, the connection hole 123 is used for connecting with the connecting base 112, a power line through hole 124 corresponding to the position of the power supply inlet 115 of the protective body is disposed on a bottom surface of the placement groove 122, and the power line through hole 124 is used for the power supply cable 10 to pass through.

Claims (9)

1. The line control chassis electronic chip circuit board protection device is characterized by comprising a circuit board protection device (1), wherein the circuit board protection device (1) is connected with a line concentration converter (2) through a switching cable (6), and the line concentration converter (2)
Be equipped with a plurality of communication interfaces (3), communication interface (3) are connected with each terminal element and domain controller on the drive-by-wire chassis, and circuit board protector (1) divide into protector protection body (11) and power base (12), sealing connection between protector protection body (11) and power base (12), and place in protector protection body (11) circuit board (8), and protector protection body (11) provide fire prevention, dampproofing, anticorrosion and crashproof protection for circuit board (8).
2. The device for protecting the circuit board of the electronic chip on the drive-by-wire chassis as recited in claim 1, wherein the circuit board (8) is a vehicle-mounted gateway carrier board, and a memory is disposed on the vehicle-mounted gateway carrier board.
3. The drive-by-wire chassis electronic chip circuit board protection device of claim 2, wherein one side of the hub converter (2) is provided with a switching interface (5), the switching interface (5) is electrically connected with the communication interface (3), the other side of the hub converter (2) is provided with a vehicle-mounted OBD interface (4), and the vehicle-mounted OBD interface (4) is electrically connected with the switching interface (5).
4. The protection device for the electronic chip circuit board on the drive-by-wire chassis according to claim 3, wherein the protection body (11) of the protection device is divided into a protection shell (111) and a connection base (112) which are fixedly connected up and down, a circuit board input interface (7) is arranged on the protection shell (111), the circuit board input interface (7) is connected with the transfer cable (6) through a screw thread, the lower end of the connection base (112) is connected with the power base (12), and the circuit board input interface (7) is connected with the circuit board (8).
5. The protection device for the electronic chip circuit board on the drive-by-wire chassis of claim 4, wherein the protection housing (111) is hollow and penetrates through the segment of the connection base (112) to form a space with an open end, the circuit board (8) is located in the center of the space, an isolation buffer layer (114) and an isolation moisture absorption layer (113) are respectively arranged along the circuit board (8) outwards, the isolation buffer layer (114) and the isolation moisture absorption layer (113) fill the space between the circuit board (8) and the protection housing (111), the isolation buffer layer (114) is composed of multiple layers of fireproof and moisture-proof sponges, the isolation buffer layer (114) wraps the circuit board (8), the isolation moisture absorption layer (113) wraps the outside of the isolation buffer layer (114), and the bottom of the isolation buffer layer (114) is in contact with the power base (12).
6. The electronic chip circuit board protector for the drive-by-wire chassis of claim 5, wherein a protective body power inlet (115) is arranged at the bottom of the isolation buffer layer (114) near the outer side, a power cable (10) penetrates upwards from the power base (12) to the protective body power inlet (115) and then traverses the multiple layers of fireproof and moisture-proof sponges to be connected with the circuit board (8), and the power cable (10) is detachably connected with the power base (12).
7. The PC-PCB protector as recited in claim 5, wherein the PCB input interface (7) is connected to the patch input cable (9) inside the protective housing (111), and the patch input cable (9) is connected to the PCB (8) by crossing the moisture-absorption isolation layer (113) and the buffer isolation layer (114).
8. The drive-by-wire chassis electronic chip circuit board protection device of claim 7, wherein a threaded connection housing (71) is arranged outside the circuit board input interface (7), a separation groove (72) is arranged at the root of the threaded connection housing (71), the threaded connection housing (71) is connected with an isolation plate (73), the isolation plate (73) is fixedly connected with the protective shell (111), and the wire core (74) penetrates through the isolation plate (73) to be connected with the switching input cable (9).
9. The wire-controlled chassis electronic chip circuit board protection device according to claim 6, wherein the power supply base (12) comprises a base (121), a power supply circuit is arranged in the base (121), a placement groove (122) is arranged on the upper end face of the base (121), the placement groove (122) is matched with the connecting base (112) in shape, a connecting hole (123) is arranged on the placement groove (122), the connecting hole (123) is used for being connected with the connecting base (112), a power line through hole (124) corresponding to the position of the power supply inlet (115) of the protection body is arranged on the bottom face of the placement groove (122), and the power line through hole (124) is used for allowing the power supply cable (10) to pass through.
CN202210026914.XA 2022-01-11 2022-01-11 Wire control chassis electronic chip circuit board protection device Active CN114501869B (en)

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Application Number Priority Date Filing Date Title
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CN114501869B CN114501869B (en) 2024-06-07

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Publication number Priority date Publication date Assignee Title
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CN106784491A (en) * 2017-01-23 2017-05-31 湖北汽车工业学院 A kind of battery of electric vehicle box structure of anticollision buffering
US10314206B1 (en) * 2018-04-25 2019-06-04 Dell Products, L.P. Modulating AHU VS RAM air cooling, based on vehicular velocity
CN209343779U (en) * 2019-01-08 2019-09-03 上海澳马信息技术服务有限公司 A kind of shielded storage device of band CAN data recording function
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