Vehicle-mounted connector

Abstract

The invention discloses a vehicle-mounted connector, and belongs to the technical field of connectors, the vehicle-mounted connector comprises an elastic shell and an insulator, the insulator comprises a first insulating shell and a second insulating shell which are arranged in parallel, and the first insulating shell and the second insulating shell are connected through a connecting part; the first insulating shell is clamped in the elastic shell, and a certain gap is preset between the first insulating shell and the elastic shell; the first insulating shell is internally provided with a first insertion cavity, and a radio frequency terminal is inserted in the first insertion cavity; an insulating cavity is formed in the second insulating shell, an insulating partition plate is arranged in the insulating cavity, and the insulating cavity is divided into two independently arranged second plugging cavities by the insulating partition plate; and a power supply terminal is inserted into each of the two second insertion cavities. Two-channel connection is achieved, structural connection is stable and reliable, the problem of crosstalk of signals caused by power and current changes in the transmission process is solved, and the large-current transmission function is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of connectors, and particularly relates to a vehicle-mounted connector. Background Art

[0002] The connection of the internal PCB board in the existing vehicle-mounted communication system is generally realized through a PCB board connector. The PCB board connector usually realizes data transmission by inserting a male connector into a female socket connector.

[0003] With the technological transformation of the automotive industry, the automation and intelligence of automobiles have become the future development trend. Among them, connectors have become an essential configuration for realizing automation, intelligence, and miniaturization. However, in the existing technology, signals and power are transmitted together, and signals are prone to crosstalk due to changes in power and current during the transmission process. Moreover, the traditional board-end connectors will fog up the camera in rainy or foggy weather, resulting in blurred imaging on the central control screen and affecting the use of the camera, posing a great safety hazard. Summary of the Invention

[0004] In order to solve the above problems, the present invention adopts the following technical solutions:

[0005] A vehicle-mounted connector, comprising:

[0006] An elastic housing and an insulator. The insulator includes a first insulating shell and a second insulating shell arranged in parallel. The first insulating shell and the second insulating shell are connected by a connecting portion; the first insulating shell is clamped in the elastic housing, and a certain gap is preset between the first insulating shell and the elastic housing; a first insertion cavity is provided in the first insulating shell, and a radio frequency terminal is inserted in the first insertion cavity; an insulating cavity is provided in the second insulating shell, and an insulating partition is arranged in the insulating cavity. The insulating partition divides the insulating cavity into two independently arranged second insertion cavities; a power terminal is inserted in each of the two second insertion cavities.

[0007] Further, the connecting portion is located at one end of the first insulating shell and the second insulating shell away from the rear cover, and the connecting portion, the first insulating shell, and the second insulating shell are integrally formed.

[0008] Further, the first insulating shell is of a cylindrical structure, and the second insulating shell is of a square structure.

[0009] Further, a first boss is provided at a non-end position of the first insulating shell, and an outer shell barb is provided on the elastic housing. The first boss cooperates with the outer shell barb to prevent the first insulating shell from detaching from the elastic housing.

[0010] Further, a second boss is provided on one side of the first insulating housing close to the connecting portion, and the second boss cooperates with one end of the elastic housing away from the rear cover to define the relative position between the first insulating housing and the elastic housing.

[0011] Further, the RF terminal is pressed into the first insertion cavity of the first insulating housing from one end of the first insulating housing away from the rear cover; wherein, RF terminal barbs are provided on the outer side of the RF terminal, a limiting groove is provided on the first insulating housing, and the RF terminal barbs cooperate with the limiting groove to fix the relative position between the RF terminal and the first insulating housing; stamping terminal barbs are provided on the outer side of the RF terminal, and the stamping terminal barbs are in interference fit with the inner wall of the first insertion cavity to provide a retaining force.

[0012] Further, the power terminal is pressed into the second insertion cavity of the second insulating housing from one end of the second insulating housing away from the rear cover; the tail of the power terminal is in interference fit with the second insulating housing to realize the fixation between the power terminal and the second insulating housing.

[0013] Further, one end of the RF terminal cooperating with the rear cover is a horn-shaped structure with a gradually shrinking opening, and the opening at one end of the elastic housing close to the rear cover is a petal-shaped structure.

[0014] Further, two power terminal spring pieces with a U-shaped groove structure are symmetrically provided on the power terminal, and the PIN pitch of the power terminal is 2 mm.

[0015] Further, guiding chamfers are provided at the mating ends of the first insulating housing and the rear cover and at the mating ends of the second insulating housing and the rear cover.

[0016] Advantageous Effects:

[0017] (1) The present invention cooperates with the power connection component for power connection transmission and data transmission, realizes dual-channel connection, has a stable and reliable structural connection, solves the problem of crosstalk of signals generated by power supply and current changes during the transmission process, and realizes the function of large-current transmission;

[0018] (2) The PIN pitch of the power terminal of the present invention is 2 mm, the structural volume is small, and it can ensure that a current of 3 A can be borne, and the electrical signal can be transmitted more stably; by providing a power terminal in the connector to provide a large current for heating the camera module, the fog on the vehicle-mounted camera can be eliminated in time, preventing the camera from fogging in rainy and foggy weather, improving safety, and ensuring the driving safety of the driver;

[0019] (3) The docking of the present invention is stable and reliable, enhances the stability and safety of the insertion, and prolongs the service life of the connector. Description of the Drawings

[0020] Figure 1 This is a schematic diagram of the overall structure of the in-vehicle connector of the present invention;

[0021] Figure 2 This is a cross-sectional view of the in-vehicle connector in the present invention;

[0022] Figure 3 This is a top view of the in-vehicle connector in the present invention;

[0023] Figure 4 This is a side view of the in-vehicle connector in the present invention;

[0024] Figure 5 This is an exploded view of the in-vehicle connector in the present invention;

[0025] Among them, 1. Elastic housing; 2. Insulator; 3. RF terminal; 4. Power terminal; 5. Housing barb; 6. Connection part; 7. RF terminal barb; 8. First insertion cavity; 9. Second insertion cavity; 10. First insulating shell; 11. Second insulating shell; 12. First boss; 13. Second boss; 14. Insulating partition. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0027] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "horizontal", "inner", "outer", "one side", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation of the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0028] Embodiment 1

[0029] As Figures 1-5 shown, the present invention discloses an in-vehicle connector, including:

[0030] An elastic shell 1 and an insulator 2, the insulator 2 includes a first insulating shell 10 and a second insulating shell 11 arranged in parallel, and the first insulating shell 10 and the second insulating shell 11 are connected by a connecting portion 6; the first insulating shell 10 is snapped into the elastic shell 1, and a certain gap is preset between the first insulating shell 1 and the elastic shell 1; the first insulating shell 10 has a first plug-in cavity 8, and the first plug-in cavity 8 has a radio frequency terminal 3 inserted therein; the second insulating shell 11 has an insulating cavity, and an insulating partition 14 is provided in the insulating cavity, and the insulating partition 14 separates the insulating cavity into two independently arranged second plug-in cavities 9; a power terminal 4 is inserted into each of the two second plug-in cavities 9.

[0031] Through the above technical solution, the power terminal 4 and the RF terminal 3 are embedded and fixed in the insulator 2 by injection molding, and the structural connection is stable and reliable. The data signal is transmitted by connecting the RF terminal 3 with the first plug-in cavity 8, and the power is transmitted by connecting the power terminal 4 with the second plug-in cavity 9, realizing a dual-channel connection, transmitting the signal and the power separately, solving the crosstalk problem caused by the power supply and current changes during the transmission process, and realizing the high current transmission function.

[0032] In this embodiment, the connecting portion 6 is located at one end of the first insulating shell 10 and the second insulating shell 11 away from the rear cover, and the connecting portion 6, the first insulating shell 10 and the second insulating shell 11 are integrally formed.

[0033] Through the above technical solution, the insulator 2 and the connecting portion 6 are both made of LCP material, which has a high dielectric constant.

[0034] In this embodiment, the first insulating shell 10 is a columnar structure, and the second insulating shell 11 is a square structure.

[0035] In this embodiment, a first boss 12 is provided at a non-end position of the first insulating shell 10, and the elastic shell 1 is provided with a shell barb 5. The first boss 12 cooperates with the shell barb 5 to prevent the first insulating shell 10 from separating from the elastic shell 1.

[0036] In this embodiment, a second boss 13 is provided on one side of the first insulating shell 10 close to the connecting portion 6 , and the second boss 13 cooperates with an end of the elastic shell 1 away from the back cover to define the relative position between the first insulating shell 10 and the elastic shell 1 .

[0037] Through the above technical solution, the first boss 12 and the second boss 13 are hollowed out. The purpose of hollowing out is, firstly, to enable better injection molding (the product wall thickness is uniform and injection molding-friendly); secondly, to introduce air dielectric into the insulator 2 and the shell to reduce the high dielectric constant brought by the insulator 2 itself, thereby better designing the radio frequency performance; the first boss 12 is used as a stop function, and the second boss 13 is used as a limit function, and tolerance calculations are used to ensure that it can be installed in the designed position.

[0038] In this embodiment, the RF terminal 3 is pressed into the first insertion cavity 8 of the first insulating housing 10 from one end of the first insulating housing 10 away from the rear cover; wherein, barbs are provided on the outer side of the RF terminal 3, and a limiting groove is provided on the first insulating housing 10. The barbs of the RF terminal 7 cooperate with the limiting groove to fix the relative positions of the RF terminal 3 and the first insulating housing 10; barbs are provided on the outer side of the RF terminal 3, and the barbs of the stamping terminal are in interference fit with the inner wall of the first insertion cavity 8 to provide a retaining force.

[0039] Through the above technical solution, the RF terminal 3 is pressed into from one end of the first insulating housing 10, fixed by the barbs of the RF terminal 7 and the limiting groove, and the barbs of the stamping terminal are in interference fit with the first insulating housing 10 to provide a retaining force. The butt joint is stable and reliable, enhancing the stability and safety of the insertion.

[0040] In this embodiment, the power terminal 4 is pressed into the second insertion cavity 9 of the second insulating housing 11 from one end of the second insulating housing 11 away from the rear cover; the tail of the power terminal 4 is in interference fit with the second insulating housing 11 to realize the fixation between the power terminal 4 and the second insulating housing 11.

[0041] Through the above technical solution, a large current is provided by the power terminal 4 to heat the camera module, eliminating the fog on the vehicle-mounted camera, so that the camera will not fog up in rainy and foggy weather, without affecting the shooting of the camera, and improving the safety of the driver during driving.

[0042] In this embodiment, the end of the RF terminal 3 that cooperates with the rear cover is a horn-shaped structure with a gradually shrinking opening, and the opening at one end of the elastic housing 1 close to the rear cover is a petal-shaped structure.

[0043] In this embodiment, two power terminal spring pieces with a U-shaped groove structure are symmetrically arranged on the power terminal 4, and the power terminal PIN pitch is 2 mm.

[0044] Through the above technical solution, a power terminal PIN pitch of 2 mm can ensure that a current of 3 A can be carried, and the electrical signal can be transmitted more stably.

[0045] In this embodiment, guiding chamfers are provided at the mating ends of the first insulating housing 10 and the rear cover and the mating ends of the second insulating housing 11 and the rear cover, so as to guide the mating of the power terminal 4 and the rear cover and the mating of the RF terminal 3 and the rear cover, making the butt joint more friendly.

[0046] The present invention integrates 2 pcs of power terminals on the connector to perform power connection transmission and data transmission in cooperation with the power connection component, realizing dual-channel connection, and the structural connection is stable and reliable; the signal and the power are transmitted separately, solving the crosstalk problem generated by the signal affected by the power supply and current changes during the transmission process, and realizing the function of large-current transmission.

[0047] The above are only the preferred embodiments of the present invention, and do not impose any limitation on the technical scope of the present invention. Therefore, any minor modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A vehicle-mounted connector, characterized in that, It includes an elastic housing and an insulator. The insulator includes a first insulating shell and a second insulating shell arranged side by side, and the first insulating shell and the second insulating shell are connected by a connecting part; the first insulating shell is snap-fitted into the elastic housing, and there is a certain gap preset between the first insulating shell and the elastic housing; there is a first insertion cavity in the first insulating shell, and a radio frequency terminal is inserted into the first insertion cavity; there is an insulating cavity in the second insulating shell, and an insulating partition is arranged in the insulating cavity, and the insulating partition divides the insulating cavity into two independently arranged second insertion cavities; One power terminal is inserted into each of the two second insertion cavities.

2. The vehicle-mounted connector according to claim 1, characterized in that, The connecting part is located at one end of the first insulating shell and the second insulating shell away from the rear cover, and the connecting part, the first insulating shell and the second insulating shell are integrally formed.

3. The vehicle-mounted connector according to claim 2, wherein, The first insulating shell is of a cylindrical structure, and the second insulating shell is of a square structure.

4. The vehicle-mounted connector according to claim 3, wherein, A first boss is arranged at a non-end position of the first insulating shell, and the elastic housing is provided with housing barbs. The first boss cooperates with the housing barbs to prevent the first insulating shell from detaching from the elastic housing.

5. The vehicle-mounted connector according to claim 4, wherein A second boss is arranged on one side of the first insulating shell close to the connecting part, and the second boss cooperates with one end of the elastic housing away from the rear cover to define the relative position between the first insulating shell and the elastic housing.

6. The vehicle-mounted connector according to claim 3, characterized in that, The radio frequency terminal is pressed into the first insertion cavity of the first insulating shell from one end of the first insulating shell away from the rear cover; wherein, radio frequency terminal barbs are arranged on the outer side of the radio frequency terminal, and a limiting groove is arranged on the first insulating shell. The radio frequency terminal barbs cooperate with the limiting groove to fix the relative position between the radio frequency terminal and the first insulating shell; stamping terminal barbs are arranged on the outer side of the radio frequency terminal, and the stamping terminal barbs are in interference fit with the inner wall of the first insertion cavity to provide a retaining force.

7. The vehicle-mounted connector according to claim 3, characterized in that The power terminal is pressed into the second insertion cavity of the second insulating shell from one end of the second insulating shell away from the rear cover; the tail of the power terminal is in interference fit with the second insulating shell to realize the fixation between the power terminal and the second insulating shell.

8. The in-vehicle connector according to claim 7, characterized in that, One end of the radio frequency terminal cooperating with the rear cover is of a trumpet-shaped structure with a gradually shrinking opening, and the opening at one end of the elastic housing close to the rear cover is of a petal-shaped structure.

9. The vehicle-mounted connector according to claim 8, characterized in that, Two power terminal spring pieces with a U-shaped groove structure are symmetrically arranged on the power terminal, and the PIN pitch of the power terminal is 2 mm.

10. The vehicle-mounted connector according to claim 3, characterized in that, Guide chamfers are arranged at the mating ends of the first insulating shell and the rear cover and the mating ends of the second insulating shell and the rear cover.

Images