CN217823312U

CN217823312U - Vehicle-mounted OBD terminal

Info

Publication number: CN217823312U
Application number: CN202221728745.6U
Authority: CN
Inventors: 王峥
Original assignee: Shenzhen Chezhijie Internet Of Vehicles Co ltd
Current assignee: Shenzhen Chezhijie Internet Of Vehicles Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-15
Anticipated expiration: 2032-07-05

Abstract

The utility model provides a vehicle-mounted OBD terminal, which comprises a plug and a signal transmission component, wherein the signal transmission component is arranged above the plug; the plug comprises a base and pins arranged in the base, and an electric connecting column is fixedly arranged on the top surface of the base; the signal transmission assembly comprises a circuit board, the bottom end of the electric connecting column is electrically connected with the pins, the top end of the electric connecting column is fixedly welded with the circuit board, and the circuit board is supported by the electric connecting column. The utility model provides an on-vehicle OBD terminal not only makes things convenient for the equipment welding, is favorable to the miniaturized design at on-vehicle OBD terminal moreover.

Description

Vehicle OBD terminal

Technical Field

The utility model belongs to the technical field of vehicle-mounted terminal equipment technique and specifically relates to a vehicle-mounted OBD terminal is related to.

Background

The On Board Diagnostics (OBD) is a detection system extended for automobile fault diagnosis, and the On Board OBD terminal is an OBD terminal installed inside an automobile and can be used for position query, electronic fence, overspeed alarm, track playback, vehicle fault diagnosis, OBD data detection and the like of the automobile after a SIM card is installed.

The existing plug-in type vehicle-mounted OBD terminal generally comprises a plug and a signal transmission part electrically connected with the plug, wherein the plug is used for being plugged into a corresponding interface in a vehicle so as to supply power to the vehicle-mounted OBD terminal, charge the vehicle-mounted OBD terminal, interact data between the vehicle and the vehicle-mounted OBD terminal and the like. The signal transmission component in the vehicle-mounted OBD terminal comprises a circuit board, various signal transmission elements are arranged on the circuit board, and pins in the plug are electrically connected with the circuit board.

During assembly, the pins in the plug are generally electrically connected with the circuit board through wires (such as copper wires) (both ends of the wires are respectively welded and fixed with the pins and the circuit board), and the wire connection mode is inconvenient for welding, thereby affecting the production efficiency; and because the wire is soft material, the wire can make the interior component arrangement of on-vehicle OBD terminal in when walking the line in disorder, is unfavorable for arranging of components and parts and the miniaturized design at on-vehicle OBD terminal. Meanwhile, because the wire is made of soft materials, the wire cannot support the circuit board, and therefore a supporting structure is required to be additionally designed to support the circuit board.

Disclosure of Invention

The utility model aims at providing a vehicle-mounted OBD terminal not only makes things convenient for the equipment welding, is favorable to the miniaturized design at vehicle-mounted OBD terminal moreover.

The utility model provides a vehicle-mounted OBD terminal, which comprises a plug and a signal transmission component, wherein the signal transmission component is arranged above the plug; the plug comprises a base and pins arranged in the base, and an electric connecting column is fixedly arranged on the top surface of the base; the signal transmission assembly comprises a circuit board, the bottom end of the electric connecting column is electrically connected with the pins, the top end of the electric connecting column is fixedly welded with the circuit board, and the circuit board is supported by the electric connecting column.

In an implementable manner, the circuit board and the base are separated by the electrical connection column, and a receiving space is formed between the circuit board and the base.

In an implementable manner, the signal transmission assembly further comprises a battery and a GPS chip, both the battery and the GPS chip are electrically connected with the circuit board, and both the battery and the GPS chip are located in the accommodating space.

In an implementation manner, the number of the electrical connection columns is multiple, and the multiple electrical connection columns comprise power supply electrical connection columns, and two ends of each power supply electrical connection column are respectively and electrically connected with the pins and the circuit board.

In an implementation manner, the plurality of electrical connection posts further includes a ground electrical connection post, two ends of the ground electrical connection post are electrically connected with the pin and the circuit board respectively, and the power supply electrical connection post and the ground electrical connection post are respectively arranged on two opposite sides of the circuit board.

In one implementation, the plurality of electrical connection posts further comprises an auxiliary support electrical connection post, and two ends of the auxiliary support electrical connection post are respectively connected with the circuit board and the top surface of the base.

In an implementation manner, the top surface of the base is further provided with a limiting column, and the limiting column is located between the circuit board and the base; the limiting column is used for positioning and mounting the signal transmission assembly and has an auxiliary supporting effect on the signal transmission assembly.

In one implementation, the on-board OBD terminal further includes a housing removably coupled to the base, the housing enclosing the signal transmission assembly.

In one implementable form, the signal transmission component further comprises a SIM card slot disposed on and electrically connected to the circuit board; and the shell is provided with an inserting hole corresponding to the SIM card inserting groove.

In an implementation manner, the signal transmission assembly further includes a GPS antenna, a communication module, and a communication antenna thimble, and the GPS antenna, the communication module, and the communication antenna thimble are all disposed on the circuit board and are all electrically connected to the circuit board.

The utility model provides a vehicle-mounted OBD terminal, through fixedly arranging the electric connecting column on the base, the electric connecting column is utilized to realize the electric connection between the pin in the plug and the circuit board; when the electric connecting column is assembled, the electric connecting column and the circuit board can be conveniently welded and fixed, so that the assembly and the welding are convenient. Meanwhile, the electric connecting columns are made of hard materials, the circuit board is supported by the electric connecting columns, other supporting parts can be omitted, and the electric connecting columns do not need to bend and run wires, so that the arrangement space is saved, and the miniaturization design of the vehicle-mounted OBD terminal is facilitated.

Drawings

Fig. 1 is the embodiment of the utility model provides an on-vehicle OBD terminal's structural schematic.

Fig. 2 is a schematic diagram of the exploded structure of fig. 1.

Fig. 3 is a schematic diagram of the connection between the signal transmission assembly and the plug in fig. 2.

Fig. 4 is a schematic structural diagram of the signal transmission assembly in fig. 3.

Fig. 5 is a schematic structural diagram of the plug in fig. 3.

Fig. 6 is a bottom view of fig. 5.

Fig. 7 is another bottom view of fig. 5.

Fig. 8 is a schematic view of the housing of fig. 1 with the sealing cover removed.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms of orientation of the upper, lower, left, right, front, back, top, bottom, etc. (if any) referred to in the specification and claims of the present invention are defined as the positions of the structures in the drawings and the positions of the structures relative to each other, and are only for the sake of clarity and convenience in describing the technical solutions. It is to be understood that the use of directional terms should not be taken to limit the scope of the invention as claimed.

As shown in fig. 1 to 6, the embodiment of the utility model provides an on-vehicle OBD terminal, including plug 1 and signal transmission subassembly 2, signal transmission subassembly 2 sets up in plug 1 top. The plug 1 comprises a base 11 and pins 12 arranged in the base 11, and an electric connecting column 3 is fixedly arranged on the top surface of the base 11; the signal transmission assembly 2 comprises a circuit board 21, the bottom end of the electric connection column 3 is electrically connected with the pin 12, the top end of the electric connection column 3 is fixed with the circuit board 21 through welding, namely, the pin 12 is electrically connected with the circuit board 21 through the electric connection column 3, and the circuit board 21 is supported by the electric connection column 3.

Specifically, in the vehicle-mounted OBD terminal provided in this embodiment, the electrical connection post 3 is fixedly disposed on the base 11, and the electrical connection post 3 is used to electrically connect the pin 12 in the plug 1 and the circuit board 21; during assembly, the electric connecting column 3 and the circuit board 21 can be conveniently welded and fixed, so that assembly and welding are convenient (because the electric connecting column 3 is made of hard material, the circuit board 21 can be placed on the electric connecting column 3 in advance for supporting during welding, and then the electric connecting column 3 and the circuit board 21 are welded, meanwhile, because the electric connecting column 3 is made of hard material, the position of the electric connecting column 3 cannot deviate during welding (when a lead is welded, the position of the lead is easy to change, welding operation is not convenient, poor welding is easy to occur), and welding operation is convenient). Meanwhile, as the electric connecting columns 3 are made of hard (rigid) materials, the circuit board 21 is supported by the electric connecting columns 3, other supporting parts can be omitted, and the electric connecting columns 3 do not need to be bent or wired compared with a wire connection mode, so that the arrangement space is saved, and the miniaturization design of the vehicle-mounted OBD terminal is facilitated.

In one embodiment, the electrical connection post 3 extends vertically, and the electrical connection post 3 is a metal sheet (the electrical connection post 3 may also be a columnar structure, etc.), such as a copper sheet, an iron sheet, etc.

In one embodiment, the base 11 is made of plastic, and the base 11 is formed by injection molding; meanwhile, the pins 12 and the electrical connection posts 3 in the base 11 may be formed and fixed on the base 11 when the base 11 is injection molded (i.e., the pins 12 and the electrical connection posts 3 participate in the injection molding of the base 11), or may be fixed on the base 11 by gluing or the like after the base 11 is injection molded. The electrical connection post 3 and the pin 12 may be an integral structure (i.e. the electrical connection post 3 and the pin 12 are a unitary metal sheet, the bottom of the metal sheet is located in the base 11 and serves as the pin 12, and the top of the metal sheet penetrates through the portion of the base 11 extending upward and serves as the electrical connection post 3), or may be a separate structure, and the two are connected together by welding or other means.

As shown in fig. 2 and 3, as an embodiment, the circuit board 21 is separated from the base 11 by the electrical connection post 3, and a receiving space 100 is formed between the circuit board 21 and the base 11, and the receiving space 100 can be used for arranging various components.

As shown in fig. 2 and fig. 3, as an embodiment, the signal transmission assembly 2 further includes a battery 22, a GPS chip 23, a GPS antenna 24, a communication module 25, and a communication antenna thimble 26 (the specific functions of each component may refer to the prior art, and are not described herein), so as to implement the positioning function of the on-board OBD terminal. The GPS chip 23, the GPS antenna 24, the communication module 25 and the communication antenna thimble 26 are all arranged on the circuit board 21, and the battery 22, the GPS chip 23, the GPS antenna 24, the communication module 25 and the communication antenna thimble 26 are all electrically connected with the circuit board 21. The GPS antenna 24, the communication module 25 and the communication antenna thimble 26 are all arranged on the upper surface of the circuit board 21; the GPS chip 23 is provided on the lower surface of the circuit board 21, and the battery 22 and the GPS chip 23 are both located in the accommodation space 100, thereby saving the component arrangement space.

In one embodiment, the battery 22 is electrically connected to the circuit board 21 by a wire.

Specifically, the specific working process of the vehicle-mounted OBD terminal is as follows: when the vehicle-mounted OBD terminal is used, the plug 1 is inserted into a corresponding interface in a vehicle, after the vehicle is started, the circuit board 21 in the signal transmission assembly 2 is electrically connected with the vehicle through the pin 12 in the plug 1, so that power is supplied to the vehicle-mounted OBD terminal, and the battery 22 is charged; after the automobile is closed, the vehicle-mounted OBD terminal loses the power supply of the automobile, and the battery 22 supplies power to the vehicle-mounted OBD terminal, so that the vehicle-mounted OBD terminal can always execute a positioning function. It should be noted that the vehicle-mounted OBD terminal in this embodiment only has a positioning function, but does not have a vehicle information detection function (i.e., when the vehicle-mounted OBD terminal is plugged into a vehicle, the vehicle only supplies power to the vehicle-mounted OBD terminal, and does not perform data interaction); of course, in other embodiments, a corresponding module may also be provided in the on-board OBD terminal to implement a vehicle information detection function (e.g., overspeed warning, trajectory playback, vehicle fault diagnosis, etc.).

As shown in fig. 3 and 5, as an embodiment, the number of the electrical connection posts 3 is plural, and the plurality of electrical connection posts 3 are disposed corresponding to the edge position of the circuit board 21. The plurality of electrical connection posts 3 include a power supply electrical connection post 31, two ends of the power supply electrical connection post 31 are respectively electrically connected with the pin 12 and the circuit board 21 (i.e. the power supply electrical connection post 31 is a power supply pin), and the pin 12 is electrically connected with the circuit board 21 through the power supply electrical connection post 31.

Specifically, in the present embodiment, the number of the power supply electrical connection posts 31 is two, and the two power supply electrical connection posts are a positive electrical connection post and a negative electrical connection post, respectively, so as to connect the circuit board 21 with the positive electrode and the negative electrode of the power supply.

As shown in fig. 5, as an embodiment, the plurality of electrical connection posts 3 further includes a ground electrical connection post 32, two ends of the ground electrical connection post 32 are electrically connected to the pin 12 and the circuit board 21, respectively, and the ground electrical connection post 32 is used for realizing safe grounding of the on-board OBD terminal.

As shown in fig. 5, as an embodiment, the power supply connection post 31 and the ground connection post 32 are respectively disposed at opposite sides of the circuit board 21, thereby maintaining the balance of the two-side support of the circuit board 21.

As shown in fig. 5, as an embodiment, the plurality of electrical connection posts 3 further includes an auxiliary supporting electrical connection post 33, two ends of the auxiliary supporting electrical connection post 33 are respectively connected to the circuit board 21 and the top surface of the base 11 (the auxiliary supporting electrical connection post 33 does not have a conductive function, so the auxiliary supporting electrical connection post 33 does not need to be electrically connected to the circuit board 21 and the pins 12, but only needs to be physically connected), and the auxiliary supporting electrical connection post 33 is used for assisting the circuit board 21. The auxiliary supporting electrical connection post 33 is located on the same side as the ground electrical connection post 32.

As shown in fig. 6 and 7, in one embodiment, the number of pins 12 in the base 11 is plural, and the power supply connection pin 31 and the ground connection pin 32 are electrically connected to different pins 12.

As shown in fig. 7, as an embodiment, a partition 13 is further disposed in the base 11, the plurality of pins 12 are divided into two rows, and the two rows of pins 12 are separated by the partition 13.

As shown in fig. 6, the cross-sectional shape of the lower end of the base 11 is trapezoidal, as an embodiment, to match the shape of the interface on the automobile.

As shown in fig. 3 and 5, as an embodiment, the top surface of the base 11 is further provided with a position-limiting pillar 4, and the position-limiting pillar 4 is located between the circuit board 21 and the base 11; the limiting column 4 is used for positioning and installing the signal transmission assembly 2 and plays an auxiliary supporting role for the signal transmission assembly 2.

Specifically, when the signal transmission assembly 2 is assembled with the plug 1, the limiting column 4 can position the signal transmission assembly 2 to prevent deviation of the assembly position of the signal transmission assembly 2; meanwhile, when assembling, the limiting column 4 can support the circuit board 21, thereby facilitating subsequent welding operation.

As shown in fig. 5, as an embodiment, the number of the position-limiting columns 4 is four, and the four position-limiting columns 4 are respectively disposed at four vertex angles of the top surface of the base 11.

As shown in fig. 1 and 2, as an embodiment, the on-vehicle OBD terminal further includes a housing 5, the housing 5 is detachably connected to the base 11, and the housing 5 covers the signal transmission unit 2.

As shown in fig. 3 and 5, as an embodiment, two opposite sides of the top surface of the base 11 are provided with buckles 111, and the housing 5 and the buckles 111 are fixed by clamping, so as to facilitate detachment and installation. Of course, in other embodiments, the housing 5 may be connected to the base 11 by screwing or the like.

As shown in fig. 2 and 8, as an embodiment, the signal transmission assembly 2 further includes a SIM card slot 27, the SIM card slot 27 is used for inserting a SIM card, and the SIM card slot 27 is disposed on the circuit board 21 and electrically connected to the circuit board 21; the housing 5 is provided with a plug-in hole 51 at a position corresponding to the SIM card slot 27. The outer surface of the housing 5 is provided with a sealing cover 52 at a position corresponding to the insertion hole 51, the sealing cover 52 is rotatably connected with the housing 5 (the sealing cover 52 can be made of soft materials such as plastic and silica gel), and the insertion hole 51 can be exposed or covered by opening or closing the sealing cover 52.

Specifically, in the present embodiment, when the user uses the SIM card, the user first opens the sealing cover 52 to expose the plug hole 51, then inserts the SIM card into the housing 5 through the plug hole 51 until the SIM card is inserted into the SIM card slot 27, and then closes the sealing cover 52 to cover the plug hole 51, so that the user does not need to detach the housing 5 when inserting the SIM card, which is convenient for the user to use.

The embodiment of the utility model provides a vehicle-mounted OBD terminal, through fixedly setting up electric connection post 3 on base 11, utilize electric connection post 3 to realize the electricity between stitch 12 and circuit board 21 in plug 1 to be connected; when assembling, the electric connecting column 3 and the circuit board 21 can be conveniently welded and fixed, thereby facilitating the assembling and welding. Meanwhile, as the electric connecting columns 3 are made of hard (rigid) materials, the circuit board 21 is supported by the electric connecting columns 3, other supporting parts can be omitted, and the electric connecting columns 3 do not need to be bent or wired compared with a wire connection mode, so that the arrangement space is saved, and the miniaturization design of the vehicle-mounted OBD terminal is facilitated.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An on-board OBD terminal, comprising a plug (1) and a signal transmission component (2), wherein the signal transmission component (2) is arranged above the plug (1); the plug (1) comprises a base (11) and pins (12) arranged in the base (11), and an electric connecting column (3) is fixedly arranged on the top surface of the base (11); the signal transmission assembly (2) comprises a circuit board (21), the bottom end of the electric connecting column (3) is electrically connected with the pin (12), the top end of the electric connecting column (3) is fixedly welded with the circuit board (21), and the circuit board (21) is supported by the electric connecting column (3).

2. An on-board OBD terminal according to claim 1, characterized in that the circuit board (21) is separated from the base (11) by the electrical connection post (3), the circuit board (21) and the base (11) forming a receiving space (100) therebetween.

3. An on-board OBD terminal according to claim 2, characterized in that said signal transmission assembly (2) further comprises a battery (22) and a GPS chip (23), said battery (22) and said GPS chip (23) being electrically connected to said circuit board (21), said battery (22) and said GPS chip (23) being located within said accommodation space (100).

4. An on-board OBD terminal according to claim 1, characterized in that said electrical connection post (3) is in plurality, a plurality of said electrical connection posts (3) comprising a power supply electrical connection post (31), both ends of said power supply electrical connection post (31) being electrically connected with said pin (12) and said circuit board (21), respectively.

5. An on-board OBD terminal according to claim 4, characterized in that a plurality of said electrical connection posts (3) further comprises a ground electrical connection post (32), both ends of said ground electrical connection post (32) being electrically connected with said pin (12) and said circuit board (21), respectively, said power supply electrical connection post (31) and said ground electrical connection post (32) being disposed on opposite sides of said circuit board (21), respectively.

6. An on-board OBD terminal according to claim 4, characterized in that a plurality of said electrical connection posts (3) further comprises an auxiliary support electrical connection post (33), both ends of said auxiliary support electrical connection post (33) being connected to said circuit board (21) and to the top surface of said base (11), respectively.

7. An OBD terminal according to claim 1, wherein the top of the base (11) is further provided with a limiting post (4), and the limiting post (4) is used for positioning and mounting the signal transmission assembly (2) and assisting in supporting the signal transmission assembly (2).

8. The vehicle OBD terminal according to claim 1, further comprising a housing (5), said housing (5) being detachably connected to said base (11), said housing (5) housing said signal transmission assembly (2).

9. An on-board OBD terminal according to claim 8, wherein the signal transmission assembly (2) further comprises a SIM-card slot (27), the SIM-card slot (27) being arranged on the circuit board (21) and being electrically connected with the circuit board (21); the shell (5) is provided with a plug-in hole (51) corresponding to the position of the SIM card slot (27).

10. The on-board OBD terminal according to any of claims 1-9, wherein the signal transmission assembly (2) further comprises a GPS antenna (24), a communication module (25) and a communication antenna thimble (26), the GPS antenna (24), the communication module (25) and the communication antenna thimble (26) are all disposed on the circuit board (21) and are all electrically connected with the circuit board (21).