CN111224293B - Shielding safety cover based on non-metal connector of vehicle - Google Patents
Shielding safety cover based on non-metal connector of vehicle Download PDFInfo
- Publication number
- CN111224293B CN111224293B CN201811405906.6A CN201811405906A CN111224293B CN 111224293 B CN111224293 B CN 111224293B CN 201811405906 A CN201811405906 A CN 201811405906A CN 111224293 B CN111224293 B CN 111224293B
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- Prior art keywords
- shell
- shielding
- conductive
- connector
- wiring harness
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
- H01R4/4863—Coil spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
Abstract
The invention relates to the technical field of automobile wire harness electromagnetic compatibility, in particular to a shielding protective cover based on a non-metal connector of a vehicle, which comprises a first shell, a second shell and two groups of conductive connecting pieces, wherein the first shell is provided with a first end and a second end; the first shell, the second shell and the conductive connecting piece are all made of conductive materials; the first shell and the second shell are jointed to form a cavity, the cavity is used for accommodating a connector, two ends of the connector respectively extend outwards to form a wiring harness, two opposite ends of the first shell and/or the second shell are respectively provided with a wiring harness outlet communicated with the cavity along the axial direction of the cavity, and the wiring harness penetrates out of the wiring harness outlet; one end of each of the two groups of conductive connecting pieces is electrically connected with the first shell or the second shell, and the other end of each of the two groups of conductive connecting pieces is electrically connected with a wire harness penetrating out of the first shell and the second shell respectively. The shielding protection cover not only solves the problem of electromagnetic compatibility, but also balances some problems in the aspects of research and development cost and production period.
Description
Technical Field
The invention relates to the technical field of electromagnetic compatibility of automobile wire harnesses, in particular to a shielding protection cover based on a non-metal connector of a vehicle.
Background
With the development of vehicle intelligent networking, the functions of vehicles are increased continuously, electronic devices are used more and more, and the problem of vehicle electromagnetic compatibility is increased continuously. With the rise of new energy vehicles, the high-voltage line and the low-voltage line are designed in a coexisting mode, so that the electromagnetic compatibility problem is more prominent. The state provides GB34660 requirements and test methods for electromagnetic compatibility of road vehicles in 11 months in 2017, contents of European Union ECE R10.3 version are referred to, radiation emission is performed during vehicle authentication, related contents of radiation immunity are added, and passing difficulty is increased, so that difficulty of parts and a whole vehicle in design and test stages is increased, a design verification period is prolonged, and cost is increased. According to statistics, 98% of connectors used by vehicles are plastic connectors, the connectors are very mature in dust prevention, water prevention and process and can meet the use requirements of vehicles under normal conditions, but with the prominent electromagnetic compatibility problem, in order to solve a series of problems caused by electromagnetic compatibility, the requirements of using a shielding wire harness and using a shielding connector are urgent, but the connectors with shielding functions on the market are few in types, expensive and not used in batches. These factors limit the type selection work of the docking plug-in the vehicle design process, prolong the design period and delay the development progress.
In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.
Disclosure of Invention
In order to solve the technical defects, the invention provides a shielding protection cover based on a non-metal connector of a vehicle, which is matched with the existing connector of the vehicle for use, can realize the function of shielding the connector, is easy to modify old vehicle models, and has no excessive limitation on the selection of the connector of a new vehicle model. The electromagnetic compatibility of the vehicle is improved on the basis of ensuring the functions of the whole vehicle, the electromagnetic compatibility problem is solved, the problems of research and development cost and production cycle are balanced, and a foundation is laid for the vehicle to pass the regulation certification.
The technical scheme adopted by the invention is as follows:
a shielding protective cover based on a non-metal connector of a vehicle is characterized by comprising a first shell, a second shell and two groups of conductive connecting pieces; the first shell, the second shell and the conductive connecting piece are all made of conductive materials;
the first shell and the second shell are jointed to form a cavity, the cavity is used for accommodating a connector, two ends of the connector respectively extend outwards to form a wiring harness, two opposite ends of the first shell and/or the second shell are respectively provided with a wiring harness outlet communicated with the cavity along the axial direction of the cavity, and the wiring harness penetrates out of the wiring harness outlet;
two sets of electrically conductive connecting piece one end with first casing or the second casing electricity is connected, the other end of two sets of electrically conductive connecting piece is connected with the pencil electricity of wearing out outside first, the second casing respectively to guarantee the conductivity continuity, make first casing with the second casing forms Faraday cage structure.
Furthermore, the first shell, the second shell and the conductive connecting piece are all made of metal materials.
Further, the first housing and the second housing are detachably connected by a bolt and a nut.
Further, the first housing and the second housing are detachably connected by a snap structure.
Furthermore, two opposite ends of the first shell or the second shell are respectively connected with a conductive rod body, the conductive connecting piece is a metal clip which is provided with a connecting part and an elastic clamping part which are connected, the conductive rod body penetrates through the connecting part and is electrically connected with the metal clip, and the elastic clamping part clamps the wiring harness to form electrical connection.
Furthermore, the conducting rod body is provided with threads, and the conducting rod body sequentially penetrates through the connecting part and the gasket and then is in threaded connection with the positioning nut.
Further, the wiring harness is a shielded wiring harness having a conductive continuity.
Further, the outer layer of the shielding wire harness is coated with a shielding material, and the shielding material is made of a metal woven net or conductive cloth.
Furthermore, one side of the first shell and one side of the second shell are of a hinged structure, and the other side of the first shell and the other side of the second shell are detachably connected through bolts and nuts.
Further, the cavity is cylindrical.
Compared with the prior art, the invention has the beneficial effects that:
1. the shielding protective cover provided by the invention is used in cooperation with a non-shielding connector on the premise of meeting the requirements of generalization and replaceability of vehicle parts, so that the function of the shielding connector is achieved.
2. The shielding protective cover provided by the invention realizes vehicle generalization, is simple and easy to modify and low in cost, and improves the electromagnetic compatibility of the vehicle on the premise of not influencing the electrical performance of the original vehicle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an exploded view of the shield boot of the present invention in mating with a connector;
FIG. 2 is a schematic view of a shield and shield case according to the present invention;
FIG. 3 is a schematic view of the shield and shield case of the present invention in an open state;
fig. 4 is a schematic view of the assembled connector of the shield case according to the present invention.
Detailed Description
The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1, a shield and protection cover provided in an embodiment of the present invention includes a first housing 6, a second housing 10; the first shell 6 and the second shell 10 are made of metal materials with high conductivity and light materials; the first shell and the second shell are jointed to form a cavity, the cavity is used for accommodating a connector 9, two ends of the connector respectively extend outwards to form a wiring harness 8, wiring harness outlets communicated with the cavity are respectively formed in two opposite ends of the first shell and/or the second shell along the axis direction of the cavity, and the wiring harness 8 penetrates out of the wiring harness outlets.
It should be noted that the shape of the cavity will change with the shape of the non-shielded connector in the shielding protection cover, and the shielding function achieved by the cavity is the same, which need not be exhaustive.
In this embodiment, the connector 9 is a cylinder, and the first housing 6 and the second housing 10 are combined to form a cylinder, and the cavity thereof is also a cylinder.
In one embodiment, the shielding and protecting cover further comprises two sets of conductive connecting members, one end of each set of conductive connecting members is electrically connected with the first casing 6 or the second casing 10, and the other end of each set of conductive connecting members is electrically connected with the wiring harness 8 penetrating out of the first casing and the second casing respectively, so that the conductive continuity is ensured, and the first casing and the second casing form a faraday cage structure.
In a more specific embodiment, referring to fig. 1 and 2, a conductive rod 5 is connected to each of two opposite ends of the first casing 6 or the second casing 10, the conductive connecting member is a metal clip 4, the metal clip 4 has a connecting portion and an elastic clamping portion, the conductive rod 5 penetrates through the connecting portion and is electrically connected with the metal clip, and the elastic clamping portion clamps the wire harness 8 to form an electrical connection.
Specifically, metal clip 4 is the components of a whole that can function independently structure, including first clamp and second clamp, there is corresponding through-hole in the middle part of first clamp and second clamp for pass the conducting rod body 5, and first clamp and second clamp are equipped with relative first clamping piece and second clamping piece respectively, and 3 joints of a spring make first clamping piece and second clamping piece be in the laminating state between first clamp and the second clamp and exert elastic force. The first and second jaws clamp the harness 8. One side of the conductive rod body 5, which is close to the first shell 6 and the second shell 10, is provided with a positioning convex ring for supporting the first clamp body and the second clamp body to limit the first clamp body and the second clamp body, the conductive rod body 5 penetrates through the metal clip 4 and then penetrates through a gasket 2, and finally the conductive rod body is in threaded connection with a positioning nut 1, so that the metal clip 4 is positioned. The wire harness 8 is electrically connected to the first and second cases 6 and 10 through the metal clip 4 and the conductive rod 5, and has conductive continuity.
It should be noted that the following two conditions must be satisfied for shielding: firstly, the conduction is continuous, and secondly, a Faraday cage type structure is formed. The first shell 6 and the second shell 10 have conductive performance, and a cavity formed after the first shell and the second shell are closed has the function of shielding interference signals. The metal clip 4 is fixed with the conductive rod body 5 through the positioning nut 1 and the gasket 2 and is conductive, and the wiring harness outside the protective cover is clamped through the metal clip 4 and is electrically conducted, so that the conductive wire has conductive continuity. The shielding and protecting cover is made into a Faraday cage structure.
As shown in fig. 1 to 4, in the technical solution of the specific embodiment, the connection between the first casing 6 and the second casing 10 is a structure convenient to open and close, so as to facilitate the insertion of the connector 9, one side of the first casing 6 and one side of the second casing 10 are hinged structures, specifically, the side where the first casing 6 and the second casing 10 are connected is respectively connected with a corresponding rotating sleeve, and the pin 7 passes through the rotating sleeves to form a hinge; the other side of the first housing 6 and the second housing 10 joined together is detachably connected by a bolt 11 and a nut 12. When the connector 9 is inserted, the first housing 6 and the second housing 10 are opened, and after the connector 9 is inserted, the first housing 6 and the second housing 10 are closed and fixed by the bolt 11 and the nut 12.
It is understood that the connection structure between the first casing 6 and the second casing 10 is required to facilitate the opening and closing thereof, so that various structures can be adopted, for example, the first casing 6 and the second casing 10 are detachably connected at both sides by bolts and nuts, or the first casing 6 and the second casing 10 are detachably connected by a snap structure, etc., and the structure and the connection manner can be changed.
The connector 9 is a conventional non-shielded connector used in a vehicle, and the wiring harness 8 connected to the connector is a shielded wiring harness. The outer layer of the shielding wire harness is coated with a shielding material, and the shielding material is made of materials with high conductivity, such as metal woven meshes or conductive cloth.
The installation process of the shielding protection cover is as follows:
the first step is as follows: opening the bolt 11 and the nut 12 for fastening between the first casing 6 and the second casing 10;
the second step is that: the plastic connector 9 is placed in the cavity, the wiring harness 8 of the connector is a shielding wiring harness, and the wiring harness penetrates out from the wiring harness outlet positions at two ends of the shielding cover after extending out of the connector. The wiring harness is required to be shielded after extending out of the end of the connector, and the shielding material is made of a material with high conductivity, such as a metal woven mesh or conductive cloth.
The third step: the wire harness is fastened through the metal clip 4 after penetrating out of the shield cavity.
In summary, the shielding protection cover provided by the invention is made of metal materials with high conductivity and light materials, the shielding protection cover is easy to disassemble and is fixed by a buckle or a screw mode, the non-shielding connector assembly is wrapped inside the shielding protection cover, and the metal clip extending out of the shielding protection cover is in compression joint with the shielding layer of the cable, so that the impedance of the whole cable continuously achieves the shielding effect.
The foregoing is merely a preferred embodiment of this invention, which is intended to be illustrative, and not limiting. The structure, the connection mode and the like of all the components in the invention can be changed, and the equivalent transformation and the improvement on the basis of the technical scheme of the invention are not excluded from the protection scope of the invention.
Claims (8)
1. A shielding protective cover based on a non-metal connector of a vehicle is characterized by comprising a first shell, a second shell and two groups of conductive connecting pieces; the first shell, the second shell and the conductive connecting piece are all made of conductive materials;
the first shell and the second shell are jointed to form a cavity, the cavity is used for accommodating a connector, two ends of the connector respectively extend outwards to form a wiring harness, two opposite ends of the first shell and/or the second shell are respectively provided with a wiring harness outlet communicated with the cavity along the axial direction of the cavity, and the wiring harness penetrates out of the wiring harness outlet;
one ends of the two groups of conductive connecting pieces are electrically connected with the first shell or the second shell, and the other ends of the two groups of conductive connecting pieces are respectively electrically connected with a wire harness penetrating out of the first shell and the second shell, so that the conductive continuity is ensured, and the first shell and the second shell form a Faraday cage type structure; specifically, two opposite ends of the first shell or the second shell are respectively connected with a conductive rod body, the conductive connecting piece is a metal clip which is provided with a connecting part and an elastic clamping part which are connected, the conductive rod body penetrates through the connecting part and is electrically connected with the metal clip, and the elastic clamping part clamps the wiring harness to form electrical connection; the conductive rod body is provided with threads and is connected with the positioning nut through the connecting part and the gasket in sequence.
2. The shielding and protecting cover for the non-metallic connector of vehicle according to claim 1, wherein said first housing, said second housing and said conductive connecting member are made of metal.
3. The shielding and protecting cover for the non-metallic connector of vehicle according to claim 1, wherein said first housing and said second housing are detachably connected by means of bolts and nuts.
4. The shielding and protecting cover for the non-metallic connector of vehicle according to claim 1, wherein said first housing and said second housing are detachably connected by a snap structure.
5. The shielding and protecting cover for the non-metallic connector of vehicle according to any one of claims 1 to 4, wherein said wiring harness is a shielding wiring harness having a conductive continuity.
6. The shielding boot for the non-metallic connector of claim 5, wherein said shielding harness is covered with a shielding material, said shielding material being made of a woven metal mesh or a conductive cloth.
7. The shielding and protecting cover for the non-metallic connector of vehicle according to claim 1, wherein said first housing and said second housing have a hinged structure on one side and are detachably connected to each other by bolts and nuts on the other side.
8. The shielding cage for a non-metallic connector for a vehicle according to claim 1, wherein said cavity is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405906.6A CN111224293B (en) | 2018-11-23 | 2018-11-23 | Shielding safety cover based on non-metal connector of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811405906.6A CN111224293B (en) | 2018-11-23 | 2018-11-23 | Shielding safety cover based on non-metal connector of vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111224293A CN111224293A (en) | 2020-06-02 |
| CN111224293B true CN111224293B (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811405906.6A Active CN111224293B (en) | 2018-11-23 | 2018-11-23 | Shielding safety cover based on non-metal connector of vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN111224293B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6231392B1 (en) * | 1997-10-01 | 2001-05-15 | Berg Technology, Inc. | Cable interconnection |
| WO2010030619A2 (en) * | 2008-09-09 | 2010-03-18 | Molex Incorporated | Shield with integrated mating connector guides |
| JP2012059605A (en) * | 2010-09-10 | 2012-03-22 | Alps Electric Co Ltd | High frequency module |
| CN104865652B (en) * | 2015-06-01 | 2016-08-10 | 武汉电信器件有限公司 | A kind of modular structure |
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2018
- 2018-11-23 CN CN201811405906.6A patent/CN111224293B/en active Active
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| CN111224293A (en) | 2020-06-02 |
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