CN210246751U - Non-contact electric connector and electronic equipment - Google Patents
Non-contact electric connector and electronic equipment Download PDFInfo
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- CN210246751U CN210246751U CN201921557981.4U CN201921557981U CN210246751U CN 210246751 U CN210246751 U CN 210246751U CN 201921557981 U CN201921557981 U CN 201921557981U CN 210246751 U CN210246751 U CN 210246751U
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- electrical connector
- coupling
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a non-contact electric connector relates to the electric connector field. The method comprises the following steps: plug and socket, the plug includes: the plug conversion circuit is connected with the 2n plug coupling transmission pieces respectively; the socket includes: the socket conversion circuit is connected with the 2n socket coupling transmission pieces respectively; each plug coupling transmission piece and the corresponding socket coupling transmission piece form a coupling transmission capacitor. The utility model provides an electric connector has avoided this connected mode of jack contact pin contact communication, uses the instruction that the plug can not influence signal transmission repeatedly for a long time, has improved data transmission's stability and anti noise interference ability, has simple structure, low in manufacturing cost's advantage.
Description
Technical Field
The utility model relates to an electric connector field especially relates to a non-contact electric connector.
Background
Connectors are indispensable elements in electronic devices that enable signal transmission between two circuits. The plug-in connector is the most common one, and the transmission of all communication signals between two active devices is completed through the insertion between a plurality of groups of contact pins of a plug and a plurality of groups of jacks of a socket.
However, the pin is a slender structure, so that the pin is easily bent, twisted and damaged in the plugging process, the jack is easily deposited with dust and is not easy to clean, and the coupling between the pin and the jack is easily influenced, so that the signal transmission quality is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a non-contact electric connector to and contain this non-contact electric connector's electronic equipment.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a contactless electrical connector comprising: a plug and a socket, the plug comprising: the plug conversion circuit is connected with the 2n plug coupling transmission pieces respectively; the socket includes: the socket conversion circuit is connected with the 2n socket coupling transmission pieces respectively; each plug coupling transmission piece and the corresponding socket coupling transmission piece form a coupling transmission capacitor;
the plug conversion circuit is used for converting a single-ended signal into a differential signal; the plug coupling transmission piece is used for sending the differential signal to the socket coupling transmission piece; the socket coupling transmission piece is used for receiving the differential signal; the socket conversion circuit is used for reducing the received differential signal into a single-ended signal, n is not less than 1, and n is an integer.
The utility model has the advantages that: the utility model provides an electric connector realizes the function of connector through using coupling transmission electric capacity, has avoided this connected mode of jack contact pin contact communication, compares in traditional contact connector just can realize the telecommunications through the contact of conductive contact spare, the utility model discloses do not rely on conductive contact spare material and contact condition, can not lead to the contact pin to buckle because of long-term use plug repeatedly and damage or jack deposit dust to lead to unable coupling between contact pin and the jack, influence signal transmission's quality. And simultaneously, the utility model discloses a convert input signal to differential signal, then transmit the differential signal between two circuits through coupling transmission electric capacity, improved data transmission's common mode noise interference killing feature by a wide margin.
To sum up, the utility model has the advantages of the good reliability, strong to noise suppression ability, long service life, simple structure and low in manufacturing cost.
The utility model provides an another kind of technical scheme of above-mentioned technical problem as follows:
an electronic device, comprising: the contactless electrical connector according to the above technical solution.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic view of an overall structure of a contactless electrical connector according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an overall structure of a contactless electrical connector according to another embodiment of the present invention;
fig. 3 is a schematic diagram of signal waveforms provided by other embodiments of the contactless electrical connector of the present invention;
fig. 4 is a schematic plug diagram of a contactless electrical connector according to another embodiment of the present invention;
fig. 5 is a schematic view of a receptacle according to another embodiment of the contactless electrical connector of the present invention;
fig. 6 is a schematic diagram of plug and socket connection provided by other embodiments of the contactless electrical connector of the present invention;
fig. 7 is a schematic diagram of a plug conversion circuit according to another embodiment of the contactless electrical connector of the present invention;
fig. 8 is a schematic diagram of a receptacle conversion circuit according to another embodiment of the contactless electrical connector of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the illustrated embodiments are provided to explain the present invention and not to limit the scope of the invention.
As shown in fig. 1, for the overall structure schematic diagram provided by the embodiment of the non-contact electrical connector of the present invention, the signal transmission end of the non-contact electrical connector is not in contact with each other, and the signal transmission is performed through the coupling transmission capacitor 3, the plug 1 and the socket 2 are respectively provided with the one-stage of the coupling transmission capacitor 3, and when the plug 1 and the socket 2 are close to the communication distance, the data transmission can be realized through the coupling transmission capacitor 3, thereby realizing the function of the electrical connector without contacting the plug 1 and the socket 2.
Specifically, the contactless electrical connector includes: plug 1 and socket 2, plug 1 includes: the plug conversion circuit 11 is connected with the 2n plug coupling transmission pieces 12 respectively; the socket 2 includes: the socket conversion circuit 21 and the 2n socket coupling transmission pieces 22 which are in one-to-one correspondence with the 2n plug coupling transmission pieces 12 are connected, and the socket conversion circuit 21 is respectively connected with the 2n socket coupling transmission pieces 22; each plug coupling transmission piece 12 and the corresponding socket coupling transmission piece 22 form a coupling transmission capacitor 3;
the plug converting circuit 11 is a single-ended-differential converting circuit, and is configured to convert a single-ended signal into a differential signal; the plug coupling transmission part 12 is a stage of the coupling transmission capacitor 3 and is used for sending the differential signal to the socket coupling transmission part 22; the socket coupling transmission piece 22 is the other stage of the coupling transmission capacitor 3 and is used for receiving differential signals; the socket conversion circuit 21 is a differential-single-ended conversion circuit, and is configured to restore the received differential signal to a single-ended signal, where n is greater than or equal to 1, and n is an integer.
It should be understood that the two coupling transmission capacitors 3 form a coupling transmission pair 4, and each set of differential signals is transmitted through the coupling transmission pair 4.
It should be noted that, in order to realize the signal transmission from one stage of the coupling transmission capacitor 3 to the next stage, the plug coupling transmission member 12 and the socket coupling transmission member 22 may be made of a conductive material, for example, a conductive metal such as copper, aluminum, silver, or a conductive material such as an alloy. The conductive materials used for the plug coupling transports 12 and the receptacle coupling transports 22 may be the same or different.
The plug converter circuit 11 is also connected to a signal input circuit, and the receptacle converter circuit 21 is also connected to a signal output circuit, for example, taking a keyboard and a host as an example, the plug converter circuit 11 is connected to the keyboard through a communication line, and the receptacle converter circuit 21 is connected to a CPU in the host through a communication line.
It should be understood that the plug 1 and the socket 2 are only related to the signal flow direction, and the signal can be actually arranged to flow from the socket converting circuit 21 to the plug converting circuit 11.
The electric connector that this embodiment provided, through using coupling transmission electric capacity to realize the function of connector, avoided this connected mode of jack contact pin contact communication, compare in traditional contact connector and just can realize the telecommunications through the contact of conductive contact, this embodiment does not rely on conductive contact material and contact condition, can not lead to the contact pin to buckle because of long-term use plug repeatedly and damage or jack deposit dust to lead to unable coupling between contact pin and the jack, influence signal transmission's quality. Meanwhile, the input signal is converted into the differential signal, and then the differential signal between the two circuits is transmitted through the coupling transmission capacitor, so that the common-mode noise anti-interference capability of data transmission is greatly improved.
In summary, the electrical connector provided by the embodiment has the advantages of strong reliability, strong noise suppression capability, long service life, simple structure and low manufacturing cost.
Optionally, in some embodiments, as shown in fig. 2, the plug 1 may further include: the coding circuit 13, the coding circuit 13 is connected with the plug converting circuit 11; the socket 2 further includes: a decoding circuit 23, the decoding circuit 23 is connected with the socket switching circuit 21;
the encoding circuit 13 is configured to encode an input signal according to a preset encoding rule; the decoding circuit 23 is configured to decode the single-ended signal according to a preset decoding rule.
Preferably, for example, as shown in fig. 3, an exemplary waveform transformation diagram is provided, the encoding circuit 13 and the decoding circuit 23 may use an OOK encoding and decoding scheme for encoding and decoding, after receiving the input signal I, the encoding circuit 13 modulates the input signal I into a high-frequency carrier signal a, a performs single-ended-to-differential conversion through the plug converting circuit 11 to obtain differential signals B and C, B and C are transmitted to the receptacle 2 through the coupling transmission pair 4 to obtain differential signals D and E, D and E perform differential-to-single-ended conversion through the receptacle converting circuit 21 to obtain single-ended signals F, and F is decoded through the decoding circuit 23 to obtain the output signal O.
Preferably, a polar pulse codec scheme may also be employed.
By using the encoding circuit 13 and the decoding circuit 23, the bandwidth of the transmission signal can be increased.
Optionally, in some embodiments, the edges of each plug coupling transmission member 12 and each jack coupling transmission member 22 are provided with a ground shield ring 5, and the ground shield ring 5 is used for preventing crosstalk.
For example, as shown in fig. 4 and 5, fig. 4 is a schematic diagram of an exemplary plug 1, fig. 5 is a schematic diagram of an exemplary receptacle 2, and as can be seen from fig. 4, the plug coupling transmission members 12 are circular, every two plug coupling transmission members 12 are in one group, multiple groups of plug coupling transmission members 12 are arranged on the surface of the plug 1, at the edge of the circular plug coupling transmission members 12, a rectangular ground shield ring 5 is arranged around the plug coupling transmission members 12, the ground shield ring 5 is grounded, and by arranging the ground shield ring 5, crosstalk between two adjacent coupling transmission capacitors 3 in each coupling transmission pair 4 can be prevented, and crosstalk between two adjacent coupling transmission pairs 4 can also be avoided.
Fig. 5 is provided with a receptacle coupling transmission element 22 which matches the plug coupling transmission element 12 of fig. 4, and likewise with the same ground shield ring 5, which is not described in detail here.
Optionally, in some embodiments, the plug 1 may further include: the plug comprises a plug body 10, wherein 2n plug coupling transmission pieces 12 are arranged on a first surface of the plug body 10, and a first connecting piece is further arranged on the first surface; the socket 2 may further include: the socket body 20, 2n socket coupling transmission pieces 22 are arranged on a second surface of the socket body 20, and a second connecting piece is further arranged on the second surface; the plug 1 and the socket 2 are connected and fixed through a first connecting piece and a second connecting piece, so that 2n plug coupling transmission pieces 12 on the first surface and 2n socket coupling transmission pieces 22 on the second surface are arranged in a face-to-face mode to form 2n coupling transmission capacitors 3.
It should be noted that the shape of the plug coupling transmission member 12 arranged on the first surface and the shape of the socket coupling transmission member 22 arranged on the second surface may be set according to actual requirements, but it should be ensured that the plug coupling transmission member 12 corresponds to the socket coupling transmission member 22, and when the plug 1 is close to the socket 2 face to face, the plug coupling transmission member 12 and the corresponding socket coupling transmission member 22 can form the coupling transmission capacitor 3.
The type of the connecting piece can be set according to the actual requirement of a user, for example, a plurality of pins can be set on the plug body 10, and jacks are set at corresponding positions of the socket body 20, so that the plug body 10 can be inserted on the socket body 20 through the jacks to fix the plug 1 and the socket 2, and the plug coupling transmission piece 12 is not in direct contact with the socket coupling transmission piece 22.
The first connecting piece is a contact pin, and the second connecting piece is a jack.
For example, the plug 1 may be fixed to the socket 2 by a snap, the plug body 10 may be provided with a plurality of male snaps, and the female snaps may be provided at corresponding positions of the socket body 20, so that the plug body 10 may be fixed to the socket 2 by the snap.
Wherein, the first connecting piece is just the pin thread, and the second connecting piece is just the box.
For example, a screw hole may be provided at a corresponding position between the plug body 10 and the socket body 20, the screw hole on the plug body 10 penetrates the plug body 10, the screw hole on the socket body 20 does not penetrate, then the side of the plug body 10 provided with the plug 1 coupling connector is attached to the side of the socket body 20 provided with the socket coupling transmission member 22, so that the screw holes on the plug body 10 and the socket body 20 are engaged, and then a bolt is screwed into the socket body 20 from the plug body 10 along the screw hole, thereby fixing the plug body 10 and the socket body 20 by the bolt.
It should be understood that, in order to ensure that the plug coupling transmission member 12 is not in contact with the socket coupling transmission member 22, the connection portion of the plug body 10 and/or the socket body 20, i.e. the position where the screw hole is provided, should be slightly protruded outwards, so that the inside of the plug body 10 and the socket body 20 is left with a space after the plug body 10 and the socket body 20 are attached.
Optionally, in some embodiments, as shown in fig. 4 and 5, the first connector may include: the m connecting pins 6 are arranged on the first surface of the plug body 10 according to a preset arrangement rule; the second connector may include: m connecting holes 7 are matched with the m connecting pins 6, and the m connecting holes 7 are arranged on the second surface of the socket body 20 according to a preset arrangement rule;
wherein, the positions of the m connecting needles 6 correspond to the positions of the m connecting holes 7 one by one, m is more than or equal to 2, and m is an integer.
For example, as shown in fig. 4 and 5, in fig. 4, the plug body 10 is rectangular, all the plug coupling transmission members 12 are arranged on the surface of the plug 1 in a form of two plug coupling transmission members in a group in rows and columns, the row pitch and the column pitch of any two adjacent plug coupling transmission members 12 are the same, 4 connection pins 6 are arranged at four corners of the plug body 10, and one end of each connection pin 6 is fixed on the plug body 10.
In fig. 5, the socket body 20 is also rectangular with the same shape and size as the plug body 10, all the socket coupling transmission members 22 are arranged on the surface of the socket 2 in a form of two in a group according to rows and columns, 4 connection holes 7 are arranged at the same positions of the four corners of the socket body 20 and the connection pins 6 on the plug body 10, and when the electrical connector needs to be used, the plug 1 can be inserted into the socket 2 by inserting the connection pins 6 into the corresponding connection holes 7.
As shown in fig. 6, an exemplary plug 1 and socket 2 connection diagram is provided, and it can be seen from the diagram that a plug body 10 is inserted into a connection hole 7 of a socket body 20 through a connection pin 6 to fix the plug 1 and the socket 2 relatively, a plug coupling transmission member 12 and a socket coupling transmission member 22 are placed face to face, differential signals are transmitted through the formed coupling transmission capacitors 3, and every two coupling transmission capacitors 3 transmit a differential signal to form a coupling transmission pair 4.
Through the mode connecting plug 1 and the socket 2 of connecting pin 6 and connecting hole 7, can make things convenient for electric connector's in-service use, the plug of being convenient for, and traditional electric connector is compared in this kind of plug, and its connecting pin 6 and connecting hole 7 do not undertake signal transmission's function, consequently compromise convenient, easy-to-use and accord with under the prerequisite that current electric connector used logic, improved data transmission's stability and anti noise interference ability.
Alternatively, in some embodiments, the plug coupling transports 12 and the receptacle coupling transports 22 may each be circular planar surfaces, or may be rectangular planar surfaces.
Optionally, in some embodiments, the first surface of the plug body 10 and the first surface of the receptacle body 20 are both rectangular planes.
It should be understood that the plug coupling transmitter 12, the socket coupling transmitter 22, the first surface of the plug body 10 and the first surface of the socket body 20 may be formed in other shapes by those skilled in the art without departing from the scope of the present invention.
Optionally, in some embodiments, as shown in fig. 7, a plug conversion circuit diagram is provided for other embodiments of the contactless electrical connector of the present invention. The plug converting circuit is actually a single-ended-differential converting circuit, the single-ended-differential converting circuit is a known circuit in the prior art, fig. 7 only shows an exemplary circuit capable of realizing single-ended-differential signal conversion, the circuit structure and the working principle thereof are known technologies, and those skilled in the art can also select other single-ended-differential converting circuits according to actual requirements when implementing the utility model, which is not described herein again.
Alternatively, in some embodiments, as shown in fig. 8, a schematic diagram of a socket conversion circuit is provided for other embodiments of the contactless electrical connector of the present invention. The socket converting circuit is actually a differential-single-ended converting circuit, the differential-single-ended converting circuit is a known circuit in the prior art, fig. 8 only shows an exemplary circuit capable of realizing the differential-single-ended signal conversion, the circuit structure and the working principle thereof are known technologies, and those skilled in the art can also select other differential-single-ended converting circuits according to actual requirements when implementing the present invention, which is not described herein again.
It is understood that some or all of the alternative embodiments described above may be included in some embodiments.
In other embodiments of the present invention, there is provided an electronic device, including: a contactless electrical connector as described in any of the embodiments above.
The reader should understand that in the description of this specification, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means 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.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described product embodiments are merely illustrative, and for example, a circuit may be divided into only one type of logic function, and an actual implementation may have another type of division, for example, a plurality of circuits may be combined or integrated into another circuit, or some features may be omitted, or not executed.
The above description is only for the 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 various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements 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 (8)
1. A contactless electrical connector, comprising: a plug and a socket, the plug comprising: the plug conversion circuit is connected with the 2n plug coupling transmission pieces respectively; the socket includes: the socket conversion circuit is connected with the 2n socket coupling transmission pieces respectively; each plug coupling transmission piece and the corresponding socket coupling transmission piece form a coupling transmission capacitor;
the plug conversion circuit is used for converting a single-ended signal into a differential signal; the plug coupling transmission piece is used for sending the differential signal to the socket coupling transmission piece; the socket coupling transmission piece is used for receiving the differential signal; the socket conversion circuit is used for reducing the received differential signal into a single-ended signal, n is not less than 1, and n is an integer.
2. The contactless electrical connector of claim 1, wherein the plug further comprises: the coding circuit is connected with the plug conversion circuit; the socket further includes: the decoding circuit is connected with the socket conversion circuit;
the encoding circuit is used for encoding an input signal according to a preset encoding rule; the decoding circuit is used for decoding the single-ended signal according to a preset decoding rule.
3. The contactless electrical connector of claim 1, wherein edges of each of the header coupling transports and each of the receptacle coupling transports are provided with ground shield rings for preventing crosstalk.
4. The contactless electrical connector of any one of claims 1 to 3, wherein the plug further comprises: the 2n plug coupling transmission pieces are arranged on a first surface of the plug body, and a first connecting piece is further arranged on the first surface; the socket further includes: the 2n socket coupling transmission pieces are distributed on a second surface of the socket body, and a second connecting piece is further arranged on the second surface; the plug and the socket are connected and fixed through the first connecting piece and the second connecting piece, so that the 2n plug coupling transmission pieces on the first surface and the 2n socket coupling transmission pieces on the second surface are arranged in a face-to-face mode to form 2n coupling transmission capacitors.
5. The contactless electrical connector of claim 4, wherein the first connector comprises: the m connecting needles are arranged on the first surface according to a preset arrangement rule; the second connector includes: m connecting holes are matched with the m connecting pins, and the m connecting holes are arranged on the second surface according to a preset arrangement rule;
the positions of the m connecting needles correspond to the positions of the m connecting holes one by one, m is more than or equal to 2, and m is an integer.
6. The contactless electrical connector of claim 1, wherein the plug coupling transmission member and the receptacle coupling transmission member are both circular planar surfaces.
7. The contactless electrical connector of claim 4, wherein the first surface of the plug body and the first surface of the receptacle body are both rectangular planar surfaces.
8. An electronic device, comprising: the contactless electrical connector of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921557981.4U CN210246751U (en) | 2019-09-18 | 2019-09-18 | Non-contact electric connector and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921557981.4U CN210246751U (en) | 2019-09-18 | 2019-09-18 | Non-contact electric connector and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210246751U true CN210246751U (en) | 2020-04-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921557981.4U Active CN210246751U (en) | 2019-09-18 | 2019-09-18 | Non-contact electric connector and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210246751U (en) |
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2019
- 2019-09-18 CN CN201921557981.4U patent/CN210246751U/en active Active
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Address after: Room 1001, 10th Floor, Building 2, No.1 South Yitiao A, Zhongguancun, Haidian District, Beijing, 100044 Patentee after: GL MICROELECTRONICS, Inc. Address before: Room 501-7, 5/F, Building 18, District 17, No. 188, South Fourth Ring West Road, Fengtai District, Beijing, 100160 Patentee before: GL MICROELECTRONICS, Inc. |