Plastic shielded socket connector and connector assembly for preventing equipment from being affected by condensation
By using mounting pads and seals in electric vehicle connectors, the impact of condensation on the connector is solved, achieving higher salt spray performance and reliability.
Patent Information
- Application Number
- CN201910926750.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-09-27
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2039-09-27
AI Technical Summary
Plastic connectors used in electric vehicles are susceptible to condensation in humid and hot environments, resulting in insulation failures and conduction of low-voltage circuits.
By assembling the mounting pads on the socket mounting panel, the first, second and third convex ribs are used to achieve sealing between the connector and the device, ensuring that external liquid and condensation are inaccessible. Meanwhile, the seals in the wire channel further prevent water vapor from entering the power and signal circuits.
It effectively avoids the impact of condensation on the connector, prevents insulation failures and conduction problems, and improves the salt spray performance and reliability of the connector.
Smart Images

Figure CN110707470B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of connectors, and in particular to a plastic shielded connector and a connector assembly capable of preventing the influence of condensation on equipment. Background Art
[0002] As electric vehicle technology has developed, the cost and performance requirements have been increasing. Due to the particularity of the operating environment of electric vehicles, the components used, especially those exposed to the air, are greatly affected by the operating environment. For areas with severe humidity and heat, the salt spray performance requirements for connectors are higher, and metal connectors are difficult to meet their use requirements. Therefore, plastic connectors have become the use trend of electric vehicles due to their cost and high salt spray performance advantages.
[0003] During use, the temperature difference between the internal components of the equipment and the outside will cause condensation inside, generating water vapor, which may enter the connector and cause the connector to have an insulation alarm. Currently, most connector manufacturers reduce the impact of condensation on connectors by improving insulation performance, but they cannot avoid insulation failures caused by condensation, or even direct conduction of low-voltage circuits. Summary of the invention
[0004] The purpose of the present invention is to provide a new type of plastic shielded connector that can prevent the influence of condensation on equipment, so that the connector mounting surface can be sealed with the equipment and the shielding by installing a rubber pad, and the power and signal circuits can be sealed by the cooperation of the seal and the wire, thereby avoiding the influence of condensation inside the equipment on the connector.
[0005] The purpose of the present invention and the technical problem to be solved are achieved by adopting the following technical solutions. According to a plastic shielded socket connector for preventing the influence of condensation on equipment proposed by the present invention, a mounting rubber pad is assembled on the socket mounting panel, and the mounting rubber pad is provided with a first rib on the side facing the socket to cooperate with the mounting panel to prevent external liquid from entering the socket, and a second rib on the side facing the equipment to cooperate with the equipment housing to prevent external liquid from entering the equipment; the jack on the mounting rubber pad that is tightly matched with the outer peripheral surface of the rear end of the socket shell protrudes outward near one end of the equipment, and the outer peripheral surface and bottom edge of the protruding part are provided with a third rib for sealing between the socket shell and the equipment mounting hole; a number of openings for the shielding member to pass through are provided at the corresponding positions between the second rib and the third rib on the mounting rubber pad; a sealing member for sealing between the wire and the socket shell is provided in the wire channel of the socket.
[0006] The purpose of the present invention and the solution to its technical problems can be further achieved by adopting the following technical measures.
[0007] The aforementioned plastic shielded socket connector for preventing the influence of condensation on equipment, wherein the mounting rubber pad is assembled in a corresponding groove on the mounting panel.
[0008] The aforementioned plastic shielded socket connector that prevents the influence of condensation on the equipment, wherein the position outside the first rib on the mounting rubber pad is also provided with a positioning pin with a limiting protrusion at the end for cooperating with the through hole on the mounting panel to achieve axial fixation of the mounting rubber pad.
[0009] In the aforementioned plastic shielded socket connector for preventing the influence of condensation on equipment, the through hole on the mounting panel is located at the edge of the mounting panel and has an opening for allowing the positioning pin to penetrate from the radial direction of the through hole.
[0010] In the aforementioned plastic shielded socket connector for preventing the influence of condensation on equipment, the longitudinal section of the installation location of the third rib is L-shaped.
[0011] The aforementioned plastic shielded socket connector that prevents the influence of condensation on equipment, wherein the wire channel includes a power loop wire channel and a low-voltage signal loop wire channel.
[0012] The purpose of the present invention and the technical problems solved therein can also be achieved by the following technical solutions: A plastic shielded connector assembly for preventing the influence of condensation on equipment proposed in the present invention comprises a plug and a socket connected at the front end, wherein the socket is the above socket.
[0013] The purpose of the present invention and the solution to its technical problems can be further achieved by adopting the following technical measures.
[0014] The aforementioned plastic shielded connector assembly that prevents the influence of condensation on equipment, the end of the plug housing is sealed by a wire sealing body to achieve the sealing of the tail wire.
[0015] The aforementioned plastic shielded connector assembly for preventing the influence of condensation on equipment has a mating surface seal provided at the mating surface of the plug and the socket to achieve sealing between the two.
[0016] Compared with the prior art, the present invention has obvious advantages and beneficial effects. By means of the above technical solution, the present invention can achieve considerable technical advancement and practicality, and has wide industrial utilization value, and has at least the following advantages:
[0017] After the socket of the present invention is installed on the device, the first convex rib and the second convex rib on the installation rubber pad realize the sealing of the external "water inlet path";
[0018] The third convex rib on the installation rubber pad seals the path where water vapor caused by condensation inside the device enters the connector through the device connector installation interface;
[0019] The sealing ring in the socket wire channel seals the path through which water vapor caused by condensation inside the device penetrates into the power circuit or the low-voltage signal circuit. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 This is a schematic diagram of the overall structure of a plastic shielded connector assembly for preventing the influence of condensation on equipment according to the present invention;
[0021] Figure 2 A schematic diagram of the socket structure of a plastic shielded connector assembly for preventing the influence of condensation on equipment according to the present invention;
[0022] Figure 3 A schematic diagram of the rubber ring structure of the plastic shielded connector assembly for preventing the influence of condensation on the equipment according to the present invention;
[0023] Figure 4 Another structural schematic diagram of the rubber ring of the plastic shielded connector assembly for preventing the influence of condensation on the device according to the present invention;
[0024] Figure 5 It is a cross-sectional view of the installation of a plastic shielded connector assembly for preventing the influence of condensation on equipment according to the present invention;
[0025] Figure 6 This is a cross-sectional view of the installation of a socket of a plastic shielded connector assembly for preventing the influence of condensation on equipment according to the present invention.
[0026]
Main component symbol description
[0027] 1: Socket
[0028] 2: Plug
[0029] 3: Install the rubber pad
[0030] 4: First rib
[0031] 5: Second rib
[0032] 6: The third rib
[0033] 7: Hole
[0034] 8: Positioning pins
[0035] 9: Equipment
[0036] 10: Shielding
[0037] 11: Water inlet path
[0038] 12: First condensation penetration point
[0039] 13: Second condensation penetration point
[0040] 14: Jack
[0041] 15: Socket mounting panel
[0042] 16: Wire channel seal
[0043] 17: The third condensation penetration point
[0044] 18: Sealing point of mating surface
[0045] 19: Outlet sealing DETAILED DESCRIPTION
[0046] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation method, structure, characteristics and effects of the plastic shielded connector for preventing the influence of condensation on the equipment proposed by the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.
[0047] See also Figure 1-6 , which is a schematic diagram of the structure of each part of the plastic shielded connector assembly for preventing the influence of condensation on equipment of the present invention, the connector assembly includes a plug 2 and a socket 1 connected at the front end, wherein a mounting rubber pad 3 is mounted on the socket mounting panel. In the embodiment of the present invention, the mounting rubber pad 3 is mounted in a groove on the socket mounting panel, and a plug hole that closely matches the rear end of the socket housing is provided on the mounting rubber pad 3, and the rear end of the socket housing passes through the plug hole on the mounting rubber pad 3 and closely fits the inner wall of the plug hole.
[0048] The mounting rubber pad 3 is provided with a second rib 5 on the outer periphery of the surface facing the device. When the socket 2 is mounted on the device 9, the second rib 5 is tightly attached to the device 9 to prevent external liquid from entering the socket or the device through the gap between the mounting panel and the device housing, thereby achieving sealing between the socket mounting panel and the device housing.
[0049] The jack on the mounting rubber pad 3 protrudes from one end close to the device, and the outer peripheral surface and bottom edge of the protruding portion have a third rib 6 for sealing between the socket housing and the device mounting hole. In the embodiment of the present invention, the mounting cross-section of the third rib is L-shaped, but not limited to this.
[0050] A plurality of holes for the socket shielding member to pass through are provided at the corresponding positions between the second convex rib and the third convex rib on the installation rubber pad 3. The shielding member of the present invention is a bent thin-walled sheet metal member, and there is a gap in the sheet metal member, which is difficult to seal. The thin-walled sheet metal member is placed in the hole between the two seals, and the anti-condensation requirement is achieved through the cooperation of the two seals and the equipment. In the embodiment of the present invention, the hole for the shielding member to pass through includes a rectangular hole and a Y-shaped hole, but is not limited thereto.
[0051] The first rib 4 is arranged around the outer periphery of the surface of the installation rubber pad 3 facing the socket. The first rib 4 is pressed on the socket installation panel during installation to prevent external liquid from entering the socket and realize the sealing between the device panel and the socket shell.
[0052] The outer periphery of the surface of the mounting rubber pad 3 facing the socket is also provided with a positioning pin 8 for cooperating with a corresponding through hole on the socket mounting panel to achieve axial fixation of the mounting rubber pad, and the convex portion at the end of the positioning pin 8 is engaged with the through hole on the mounting panel. In the embodiment of the present invention, the through hole on the mounting panel is located at the edge of the mounting panel and has an opening for the positioning pin 8 to penetrate in the radial direction of the through hole. The positioning pin is located outside the first rib.
[0053] The wire channel in the socket housing is provided with a wire channel seal 16 for sealing the wire and the socket housing, so as to prevent condensation inside the device from entering the socket through the gap between the wire and the socket housing. In an embodiment of the present invention, the wire channel includes a power circuit wire channel and a low-voltage signal circuit wire channel.
[0054] The connector plug housing of the present invention and the wires therein are sealed by a wire sealing body at the end of the plug housing.
[0055] The plug and socket of the present invention is provided with a plug and socket sealing member at the plug and socket plug surface to achieve the plug and socket sealing. In the embodiment of the present invention, the device is die-cast.
[0056] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.
Claims
1. A plastic shielded socket connector for preventing the influence of condensation on equipment, characterized in that: The socket mounting panel is equipped with a mounting rubber pad, and the mounting rubber pad is provided with a first rib on the side facing the socket to cooperate with the mounting panel to prevent external liquid from entering the socket, and a second rib is provided on the side facing the device to cooperate with the device shell to prevent external liquid from entering the device; the socket on the mounting rubber pad, which is tightly matched with the outer peripheral surface of the rear end of the socket shell, protrudes outward near one end of the device, and the outer peripheral surface and bottom edge of the protruding part are provided with a third rib for sealing between the socket shell and the device mounting hole; a number of openings for shielding parts to pass through are provided at corresponding positions between the second rib and the third rib on the mounting rubber pad; a sealing part for sealing between the wire and the socket shell is provided in the wire channel of the socket; the mounting rubber pad is assembled in the corresponding groove on the mounting panel; the wire channel includes a power circuit wire channel and a low-voltage signal circuit wire channel.
2. The plastic shielded socket connector for preventing the influence of condensation on equipment according to claim 1, characterized in that: A positioning pin with a limiting convex portion at the end thereof for cooperating with a through hole on the mounting panel to achieve axial fixation of the mounting pad is provided at the outer side of the first convex rib on the mounting pad.
3. The plastic shielded socket connector for preventing the influence of condensation on equipment according to claim 2, characterized in that: The through hole on the installation panel is located at the edge of the installation panel and has an opening for the positioning nail to penetrate from the radial direction of the through hole.
4. The plastic shielded socket connector for preventing the influence of condensation on equipment according to claim 1, characterized in that: The longitudinal section of the third rib installation location is L-shaped.
5. A plastic shielded connector assembly for preventing the influence of condensation on equipment, comprising a plug and a socket connected at the front end, characterized in that: The socket is a plastic shielded socket connector as described in any one of claims 1 to 4.
6. The plastic shielded connector assembly for preventing the influence of condensation on equipment according to claim 5, characterized in that: The plug housing end of the plug seals the tail wire through a wire sealing body.
7. The plastic shielded connector assembly for preventing condensation of equipment according to claim 5, characterized in that: The mating surfaces of the plug and the socket are provided with mating surface sealing members for achieving sealing between the two.
Citation Information
Patent Citations
Plastic shielding socket connector and connector assembly for preventing condensation influence of equipment
CN210779197U