CN113037334B - Wireless USB interface connection assembly - Google Patents
Wireless USB interface connection assembly Download PDFInfo
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- CN113037334B CN113037334B CN202110220714.3A CN202110220714A CN113037334B CN 113037334 B CN113037334 B CN 113037334B CN 202110220714 A CN202110220714 A CN 202110220714A CN 113037334 B CN113037334 B CN 113037334B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
- H01F2038/143—Inductive couplings for signals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
A wireless USB interface connecting assembly comprises a plug and a socket, wherein the plug comprises a plug shell and a plug printed board part, the socket comprises a socket shell and a socket printed board part, the socket printed board part comprises a socket printed board and a socket printed board fixing insulator, the socket printed board comprises a socket printed board I and a socket printed board II, a socket high-speed wireless transmission chip and an electric energy transmitting coil are arranged on the socket printed board I, and a contact pin contact element is arranged on the socket printed board II; the plug printed board part comprises a plug printed board and a plug printed board fixing insulator, the plug printed board comprises a plug printed board I and a plug printed board II, a plug high-speed wireless transmission chip for performing wireless data signal transmission with the socket high-speed wireless transmission chip and an electric energy receiving coil for performing wireless electric energy signal transmission with the electric energy transmitting coil are arranged on the plug printed board I, and the plug printed board II is provided with a USB interface; the invention can synchronously realize high-speed wireless transmission of electric energy and data signals while realizing miniaturization.
Description
Technical Field
The invention belongs to the technical field of non-contact connectors, and particularly relates to a wireless USB interface connecting assembly.
Background
USB interfaces and components are widely used in consumer electronics, industry and military, where the interfaces use conventional connectors, but the following problems are unavoidable when using the USB interfaces and components: firstly, the plugging interface is in traditional contact connection, is easy to wear when in use and has limited service life; secondly, the interfaces need to be aligned when plugging and unplugging, so that the use convenience is influenced; when the outdoor connector is used outdoors, because the traditional connector cannot realize single-end sealing, if water or dust easily enters the connector in rainy and snowy weather, the connector is damaged and cannot be used. The problems limit the application and popularization range of the USB interface component to a great extent, and the USB interface component cannot be applied to the fields of outdoor, frequent plugging and unplugging and the like.
Disclosure of Invention
In order to solve the technical problems, the invention provides a wireless USB interface connection assembly which is miniaturized and can synchronously realize high-speed wireless transmission of electric energy signals and data signals.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The wireless USB interface connecting assembly comprises a plug and a socket which are connected in an adaptive manner, wherein the plug comprises a plug shell and a plug printed board part arranged in the plug shell, and the socket comprises a socket shell and a socket printed board part arranged in the socket shell; the socket printed board part comprises a socket printed board and a socket printed board fixing insulator, the socket printed board comprises a socket printed board I and a socket printed board II which are electrically connected, the socket printed board I is arranged at the front end of the socket printed board fixing insulator, the socket printed board II is arranged at the rear end of the socket printed board fixing insulator, a socket high-speed wireless transmission chip and an electric energy transmitting coil are arranged on the socket printed board I, and a contact pin contact element is arranged on the socket printed board II; the plug printed board part comprises a plug printed board and a plug printed board fixing insulator, the plug printed board comprises a plug printed board I and a plug printed board II which are electrically connected, the plug printed board I is installed at the front end of the plug printed board fixing insulator, the plug printed board II is installed at the rear end of the plug printed board fixing insulator, a plug high-speed wireless transmission chip which is arranged opposite to the socket high-speed wireless transmission chip and is used for wireless data signal transmission and an electric energy receiving coil which is used for wireless electric energy signal transmission with the electric energy transmitting coil are arranged on the plug printed board I, and the plug printed board II is provided with a USB interface.
The object of the invention is further achieved by the following technical measures.
According to the wireless USB interface connecting assembly, the plug printed board II is provided with the USB interface and can be achieved through at least the following two schemes, at least one USB interface is directly arranged on the plug printed board II in an integrated mode, or the plug printed board II is connected with the at least one USB interface through leading out a plug end cable, and therefore the plug is in butt joint with equipment conforming to the USB interface.
In the wireless USB interface connection assembly, the socket printed board i and the socket printed board ii are electrically connected through the socket end fuzz button contact element, and the socket end fuzz button contact element is installed in an opening of the socket printed board fixing insulator; the plug printed board I and the plug printed board II are electrically connected through a plug end fuzz button contact piece, and the plug end fuzz button contact piece is installed in an opening of the plug printed board fixing insulator.
The wireless USB interface connecting assembly comprises a socket printed board part, a socket insulating cover plate and a wireless USB interface connecting component, wherein the socket printed board part further comprises the socket insulating cover plate which is arranged in a socket shell and positioned at the front end of the socket printed board I; the plug printed board part also comprises a plug insulating cover plate which is arranged in the plug shell and is positioned at the front end of the plug printed board I, and a plug metal shielding sheet is attached to the inner wall of the plug insulating cover plate along the circumferential direction.
The wireless USB interface connection assembly comprises a socket shell and a front shell, wherein the socket shell comprises a shell body and a front shell which are in forced fit, and the rear end of the shell body is tightly pressed and fixed on a step of the front shell through a fastening pressing block which is forced to fit.
In the wireless USB interface connection assembly, the socket printed board is further integrally provided with a first MCU, a first protocol chip, a wireless power transmitting circuit and a power circuit, wherein the wireless power transmitting circuit includes a driving circuit and an inverter circuit; the plug printed board is further integrally provided with a second MCU, a second protocol chip, a wireless power receiving circuit and a voltage stabilizing circuit, wherein the wireless power receiving circuit comprises a rectifying circuit; the first protocol chip is connected with the socket high-speed wireless transmission chip, the first MCU is connected with the first protocol chip and is also connected with the inverter circuit through the driving circuit, the input end of the inverter circuit is connected with the power circuit, and the output end of the inverter circuit is connected with the electric energy transmitting coil; the second protocol chip is connected with the plug high-speed wireless transmission chip, the second MCU is connected with the second protocol chip, the electric energy receiving coil is connected with the voltage stabilizing circuit through the rectifying circuit, and the output end of the voltage stabilizing circuit is connected to the USB interface.
In the foregoing wireless USB interface connection assembly, the power circuit is further connected to the first MCU and supplies power to the first MCU; the voltage stabilizing circuit is also connected with the second MCU and supplies power to the second MCU, at the moment, the power supply of each circuit element in the plug is provided by the socket, so that the plug is used as a passive end, and the socket is used as an active end for providing electric energy required by normal work to the plug.
In the wireless USB interface connection assembly, the second MCU is further electrically connected to an LED indicator lamp, and the LED indicator lamp is disposed in the slot of the plug housing.
The wireless USB interface connecting assembly is characterized in that the socket shell and the plug shell are inserted and fixed through the steel ball locking structure.
According to the wireless USB interface connection assembly, the electric energy transmitting coil and the electric energy receiving coil are both PCB coils, the PCB coils can adopt a rectangular disc type method, the size is relatively small, certain offset fault tolerance is achieved, and electric energy receiving and transmitting are achieved.
By means of the technical scheme, compared with the prior art, the invention at least has the following beneficial effects:
1. the traditional USB connecting component realizes direct electrical contact of data transmission and electric energy signals by a contact piece, is easy to wear and has a short service life.
2. The socket is an active end, the plug is a passive end, and when the headstock works normally after being plugged, the whole power consumption of the plug end is provided by the socket end, so that the use of a power supply circuit and a battery in the plug is avoided, the use flexibility is improved, and the size of the plug connector is reduced.
3. The plug printed board part and the socket printed board part are all provided with the plurality of printed boards which are arranged in parallel along the axial direction, so that the sufficient circuit arrangement area is ensured on the premise of ensuring the small size of the connector.
4. The invention adopts the high-speed wireless transmission chip of the high-speed short-distance high-integration plug/socket, the transmitting power is very low, the transmission distance is very short, usually below 1cm, therefore, the transmission safety can be ensured, the working frequency is very high, usually in the frequency band of 5G or 60GHz, thus, a single path can achieve very high transmission rate, and the requirement of USB on the data transmission rate is met. The wireless transmission electric energy module realizes near-field wireless transmission of electric energy in a magnetic induction mode, has the characteristics of high transmission efficiency and short transmission distance, and is very suitable for low-power short-distance wireless electric energy transmission.
5. In order to further reduce the size, the induction coil of the wireless transmission power module adopts a PCB coil, so that the integration with the wireless data module can be maintained, and the size of the module is further reduced. Meanwhile, in order to prevent the outer shell of the plug and the socket from generating large eddy current when wireless electric energy is transmitted, electric energy transmission is influenced, an extremely thin metal shielding layer is added at the plug end and the socket end, and the eddy current is reduced.
6. The invention keeps single-end sealing at the two ends of the plug and the socket, thereby being frequently used in the environments of outdoor, rain, snow, sand and dust and the like.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a socket according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a plug in an embodiment of the present invention.
Fig. 3 is a block diagram illustrating the operation of the wireless USB interface connection assembly according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a plug and a socket in a plugged state according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 4, the wireless USB interface connection assembly of the present invention includes a plug 2 and a socket 1 adapted to the plug, wherein the plug end of the plug and the socket end of the socket are defined as their respective front ends, the plug 2 includes a plug housing 21 and a plug printed board assembly disposed in the plug housing, and the socket 1 includes a socket housing 11 and a socket printed board assembly disposed in the socket housing. The socket printed board part comprises a socket printed board and a socket printed board fixing insulator 14, the socket printed board comprises a socket printed board I12 and a socket printed board II 13 which are electrically connected, the socket printed board I is installed at the front end of the socket printed board fixing insulator 14, the socket printed board II is installed at the rear end of the socket printed board fixing insulator 14, a socket high-speed wireless transmission chip 15 and an electric energy transmitting coil 16 are arranged on the socket printed board I, and a contact pin contact member 17 is arranged on the socket printed board II, so that interconnection with equipment such as an internal case is achieved.
The plug printed board part comprises a plug printed board and a plug printed board fixing insulator 24, the plug printed board comprises a plug printed board I22 and a plug printed board II 23 which are electrically connected, the plug printed board I is installed at the front end of the plug printed board fixing insulator 24, the plug printed board II is installed at the rear end of the plug printed board fixing insulator 24, the plug printed board I is provided with a plug high-speed wireless transmission chip 25 which is arranged opposite to the socket high-speed wireless transmission chip and is used for carrying out wireless data signal transmission, and an electric energy receiving coil 26 which is used for carrying out wireless electric energy signal transmission with the electric energy transmitting coil, and the plug printed board II is provided with a USB interface 27. Specifically, the plug printed board ii can be docked with the device through the USB interface by using at least the following two schemes: (1) the rear end of the plug printed board II is directly provided with at least one USB interface in an integrated mode; (2) the plug printed board ii is connected to the USB interface by leading out a plug end cable 28, so that the plug is butted with the device conforming to the USB interface, specifically, as shown in fig. 2, the rear end of the plug printed board ii is connected to the USB interface after wire throwing plastic packaging, and the plastic packaging is realized by a plastic packaging head 29 fixedly connected to the plug housing.
As shown in fig. 1, a socket printed board i and a socket printed board ii are arranged in parallel in the axial direction inside the socket, so that the space inside the socket is fully utilized, the diameter and the volume of the socket are small, and the sufficient board distribution area of the printed boards is ensured; the arrangement mode of the printed boards inside the plug is the same as that of the socket, and the description is omitted.
At the socket end, the socket printed board I and the socket printed board II are electrically connected through a socket end fuzz button contact element 18 which is arranged in an opening of a socket printed board fixing insulator 14; similarly, the plug printed board I and the plug printed board II are electrically connected through a plug-end fuzz button contact 215 which is arranged in a hole of a fixed insulator of the plug printed board; in other embodiments, the printed boards at the two ends of the head seat can be connected with each other by using a spring pin, a pin header, a surface mount connector and the like.
In this embodiment, the socket printed board component further includes a socket insulating cover plate 19 disposed in the socket housing and located at the front end of the socket printed board i, and a layer of very thin socket metal shielding sheet 110 is attached to the inner wall of the socket insulating cover plate along the circumferential direction; the plug printed board part also comprises a plug insulating cover plate 210 which is arranged in the plug shell and is positioned at the front end of the plug printed board I, wherein an extremely thin plug metal shielding sheet 211 is attached to the inner wall of the plug insulating cover plate along the circumferential direction, and the attaching mode is preferably bonding. The metal shielding sheet of the plug/socket is preferably a copper sheet, so that the restraint of an electromagnetic field during internal electric energy transmission is realized, and the electromagnetic field is prevented from being diffused to a corresponding shell to generate eddy current loss.
The socket housing 11 includes an outer housing 111 and a front housing 112 which are assembled by force fit, and the rear end of the outer housing is pressed and fixed on a rear step 114 of the front housing by force fitting a fastening pressing block 113, so that the limiting and fixing of the two socket printed boards are realized. The fastening pressing block is an annular component, the socket insulating cover plate is an end cover-shaped component, the front end of the socket insulating cover plate is in stop fit with the step 114, the rear end of the socket insulating cover plate is in butt fit with the socket printed board I, the socket insulating cover plate can be made of plastics, the front end face of the socket insulating cover plate can be closed, and at the moment, the socket insulating cover plate has strong dustproof sealing performance, and the closed insulating cover plate cannot influence wireless transmission of data signals or electric energy signals; of course, in other embodiments, the socket insulating cover plate may also have an axial through hole, and in this case, the socket insulating cover plate is a circular ring-shaped member.
Preferably, the socket shell and the plug shell are inserted and fixed through a steel ball locking structure, so that the problem that a traditional USB interface connector needs to be aligned is solved, blind plugging and unplugging can be achieved, and the use convenience is improved. Specifically, the steel ball locking structure comprises steel balls 115 which are assembled in the front shell in a radial floating mode and locking grooves 212 which are used for enabling the steel balls to fall into the head seat to be locked after the head seat is inserted, the steel balls are uniformly distributed along the circumferential direction of the front shell, the locking grooves are correspondingly formed in the outer wall of the plug shell, snap springs 116 are installed in radial gaps between the front shell and the outer shell and connected with the steel balls and exert radial inward elastic force on the steel balls, and the snap springs are used for keeping the state of the inserted steel balls. When the plug is inserted, the front end of the plug shell is protruded to push the steel ball to radially float outwards, the other end of the clamp spring abuts against the inner wall of the shell body, the steel ball radially pushes the clamp spring to compress the clamp spring, and when the locking groove moves to the steel ball, the steel ball falls into the locking groove under the action of the compression reset force of the clamp spring to realize the head seat locking.
The high-speed wireless transmission chip of the plug/socket and the external antenna thereof are placed in the middle of the corresponding printed board I to realize the high-speed wireless transmission of signals, the transmission chip preferably adopts a chip with high integration level, and the transmission carrier waves are in high frequency bands of 5G or 60GHz and the like, such as TC35420 of Toshiba and KSS104 of Keyssa and similar chips made in China, and the transmission rate is high and can reach 1 Gbps. The invention ensures that the longitudinal deviation of the connector is below 0.5mm and the axial distance between the plug end and the socket end corresponding to the printed board I is about 5mm when the socket end and the plug end are locked in place by the steel ball locking mode, thereby meeting the use requirement of a high-speed wireless transmission chip. The electric energy transmitting coil and the electric energy receiving coil form the wireless transmission electric energy module, electric energy signal transmission is realized, and the electric energy transmitting coil and the electric energy receiving coil can both adopt PCB coils, so that the integrity of the wireless data module can be kept, and the size of the module is further reduced; the PCB coil preferably adopts a rectangular disc type method, and has the characteristics of relatively small size and certain offset fault tolerance.
At the plug end, the connection mode of the two printed boards is the same as that of the socket end, and the rear end of the plug printed board II in the embodiment is subjected to wire throwing and plastic packaging and then connected with the USB interface so as to realize the butt joint of equipment conforming to the USB interface and further realize the data and electric energy transmission between the equipment with the socket end provided with the carrier and the equipment with the plug end connected with the USB interface. The high-speed wireless transmission chip of the plug on the plug printed board I and the PCB electric energy receiving coil are consistent with the socket end, and the description is omitted here.
Referring to fig. 3, the socket end circuit mainly includes a wireless power transmitting circuit, a socket wireless data transmission circuit, a power circuit, and a socket control circuit, wherein the wireless power transmitting circuit includes a driving circuit and an inverter circuit, and the wireless power transmitting circuit is configured to transmit power to the plug end through a power transmitting coil after inverting the dc power to the ac power. The power supply circuit supplies power to the whole circuit module. The receiving and sending of the socket wireless data transmission circuit are bidirectional and comprise a first protocol chip and a socket high-speed wireless transmission chip 15, and the USB differential signals are firstly processed into signals which can be directly transmitted by the socket high-speed wireless transmission chip through the first protocol chip and then transmitted through the socket high-speed wireless transmission chip. And the received data signal of the plug end is converted into a standard USB differential signal through the first protocol chip and then transmitted to the contact pin contact piece so as to be transmitted to the equipment. The control circuit comprises a first MCU, and realizes control and monitoring of a wireless power transmission process and a wireless data transmission process. Specifically, a first MCU, a first protocol chip, a wireless electric energy transmitting circuit and a power supply circuit are integrated and arranged on a socket printed board, the first protocol chip is connected with a socket high-speed wireless transmission chip, the first MCU is connected with the first protocol chip, the first MCU is further connected with an inverter circuit through a driving circuit to control the working state of the inverter circuit, the input end of the inverter circuit is connected with the power supply circuit, and the output end of the inverter circuit is connected with an electric energy transmitting coil. The power circuit is also connected with the first MCU to supply power to the first MCU, and further supplies power to each chip and circuit on the socket printed board.
The plug end circuit comprises a wireless electric energy receiving circuit, a plug wireless data transmission circuit, a voltage stabilizing circuit and a plug control circuit, the plug end is passive, and electric energy is supplied by the transmission of the socket end; the structural design form that the socket is an active end and the plug is a passive end is adopted, so that the laying of circuit elements in the plug is reduced, the size of the plug is reduced, and the research and development production cost is reduced. Specifically, the wireless power receiving circuit comprises a rectifying circuit for receiving and rectifying the electric energy obtained by the electric energy receiving coil from the socket end, converting the electric energy from alternating current to direct current, outputting the electric energy to the USB interface after voltage stabilization through the voltage stabilizing circuit, and simultaneously supplying power to all circuit elements at the whole socket end through the voltage stabilizing module. The plug wireless data transmission circuit comprises a plug high-speed wireless transmission chip and a second protocol chip, and the plug control circuit comprises a second MCU (microprogrammed control unit) and is used for controlling the electric energy receiving and data receiving and transmitting processes. In the aspect of a circuit element connection structure, the second MCU, the second protocol chip, the rectifying circuit and the voltage stabilizing circuit are integrated on the plug printed board, the second protocol chip is connected with the high-speed wireless transmission chip of the plug, the second MCU is connected with the second protocol chip, the electric energy receiving coil is connected with the voltage stabilizing circuit through the rectifying circuit to carry out electric energy transmission, the output end of the voltage stabilizing circuit is connected to the USB interface to carry out electric energy output, and the second protocol chip is electrically connected with the USB interface to realize bidirectional transmission of USB differential signals. The second MCU is also connected with the rectifying circuit, and in the occasions sensitive to the electric energy transmission efficiency, the second MCU outputs to control the rectifying circuit to realize the control and power regulation of the electric energy receiving process.
Further, the second MCU still with LED pilot lamp 213 electric connection, LED pilot lamp is bright often when carrying out normal data transmission, LED lamp scintillation when the second MCU judges that electric energy or data signal transmission break down, this LED pilot lamp is placed in the fluting of plug casing to set up glass resin 214 on the LED pilot lamp and seal the protection.
Preferably, the invention is also provided with a sealing structure, the sealing structure comprises a first sealing ring 3, a second sealing ring 4 and a third sealing ring 5, wherein the first sealing ring 3 is embedded in the inner wall of the rear end of the front shell and is in press fit with the outer wall of the socket insulating cover plate, the second sealing ring 4 is embedded in the inner wall of the front end of the front shell and is in seal fit with the outer wall of the plug shell in a head seat insertion state to realize head seat sealing, and the third sealing ring 5 is embedded between the front shell and the outer shell to realize sealing between the front shell and the outer shell.
The above description is not limiting, for example, the material of the plug/socket housing may be metal or plastic. The plug and receptacle may be mating circular or polygonal connectors. The mating form of the plug/socket housing may also be threaded, snap-fit, flex-groove, or magnetic. The socket end can be connected with the printed board by adopting a contact piece, and can also be connected to the equipment carrier in a swing line mode. Dimensions, material types, orientations of the various components, and number and positions of the various components described in the present disclosure are not intended to be limiting but merely exemplary embodiments, and various other embodiments and modifications within the scope of the claimed invention will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a wireless USB interface connection subassembly, includes plug, the socket that the adaptation was pegged graft, the plug includes plug housing and locates the plug printing board part in the plug housing, and the socket includes socket housing and locates the socket printing board part in the socket housing, its characterized in that:
the socket printed board part comprises a socket printed board and a socket printed board fixing insulator, the socket printed board comprises a socket printed board I and a socket printed board II which are electrically connected, the socket printed board I is arranged at the front end of the socket printed board fixing insulator, the socket printed board II is arranged at the rear end of the socket printed board fixing insulator, a socket high-speed wireless transmission chip and an electric energy transmitting coil are arranged on the socket printed board I, and a contact pin contact element is arranged on the socket printed board II;
the plug printed board part comprises a plug printed board and a plug printed board fixing insulator, the plug printed board comprises a plug printed board I and a plug printed board II which are electrically connected, the plug printed board I is arranged at the front end of the plug printed board fixing insulator, the plug printed board II is arranged at the rear end of the plug printed board fixing insulator, the plug printed board I is provided with a plug high-speed wireless transmission chip which is arranged opposite to the socket high-speed wireless transmission chip and is used for carrying out wireless data signal transmission, and an electric energy receiving coil which is used for carrying out wireless electric energy signal transmission with the electric energy transmitting coil, and the plug printed board II is provided with a USB interface; the plug high-speed wireless transmission chip and the socket high-speed wireless transmission chip are respectively placed in the middle of the corresponding printed board I;
The socket printed board part also comprises a socket insulating cover plate which is arranged in the socket shell and positioned at the front end of the socket printed board I, and a socket metal shielding sheet is attached to the inner wall of the socket insulating cover plate along the circumferential direction; the plug printed board part also comprises a plug insulating cover plate which is arranged in the plug shell and is positioned at the front end of the plug printed board I, and a plug metal shielding sheet is attached to the inner wall of the plug insulating cover plate along the circumferential direction; the socket shell comprises a shell body and a front shell which are assembled by force, the rear end of the shell body is pressed and fixed on the step of the front shell through a fastening pressing block which is assembled by force, the front end face of the socket insulating cover plate is sealed, and a first sealing ring is arranged between the inner wall of the rear end of the front shell and the outer wall of the socket insulating cover plate.
2. A wireless USB interfacing assembly according to claim 1, wherein: and a USB interface is integrally arranged on the plug printed board II, or the plug printed board II is connected with the USB interface through a plug end cable.
3. A wireless USB interfacing assembly according to claim 1, wherein: the socket printed board I and the socket printed board II are electrically connected through a socket end fuzz button contact element, and the socket end fuzz button contact element is arranged in an opening of a socket printed board fixing insulator;
The plug printed board I and the plug printed board II are electrically connected through a plug end fuzz button contact piece, and the plug end fuzz button contact piece is installed in a hole of a fixed insulator of the plug printed board.
4. A wireless USB interfacing assembly according to claim 1, wherein:
the socket printed board is further integrated with a first MCU, a first protocol chip, a wireless electric energy transmitting circuit and a power circuit, wherein the wireless electric energy transmitting circuit comprises a driving circuit and an inverter circuit;
the plug printed board is further integrally provided with a second MCU, a second protocol chip, a wireless power receiving circuit and a voltage stabilizing circuit, wherein the wireless power receiving circuit comprises a rectifying circuit;
the first protocol chip is connected with the socket high-speed wireless transmission chip, the first MCU is connected with the first protocol chip and is also connected with the inverter circuit through the driving circuit, the input end of the inverter circuit is connected with the power circuit, and the output end of the inverter circuit is connected with the electric energy transmitting coil;
the second protocol chip is connected with the plug high-speed wireless transmission chip, the second MCU is connected with the second protocol chip, the electric energy receiving coil is connected with the voltage stabilizing circuit through the rectifying circuit, and the output end of the voltage stabilizing circuit is connected to the USB interface.
5. A wireless USB interfacing assembly according to claim 4, wherein: the power circuit is also connected with the first MCU and supplies power to the first MCU; the voltage stabilizing circuit is also connected with the second MCU and supplies power to the second MCU, at the moment, the power supply of each circuit element in the plug is provided by the socket, so that the plug is used as a passive end, and the socket is used as an active end for providing electric energy required by normal work to the plug.
6. A wireless USB interfacing assembly according to claim 4, wherein: the second MCU is also electrically connected with an LED indicating lamp, and the LED indicating lamp is placed in the groove of the plug shell.
7. A wireless USB interfacing assembly according to claim 1, wherein: the socket shell and the plug shell are inserted and fixed through a steel ball locking structure.
8. A wireless USB interfacing assembly according to any one of claims 1-7, wherein: the electric energy transmitting coil and the electric energy receiving coil both adopt PCB coils.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110220714.3A CN113037334B (en) | 2021-02-26 | 2021-02-26 | Wireless USB interface connection assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110220714.3A CN113037334B (en) | 2021-02-26 | 2021-02-26 | Wireless USB interface connection assembly |
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| CN113037334A CN113037334A (en) | 2021-06-25 |
| CN113037334B true CN113037334B (en) | 2022-07-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113852166B (en) * | 2021-09-27 | 2024-04-23 | Oppo广东移动通信有限公司 | Electronic equipment, charging connecting wire and wireless charging equipment assembly |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086418A (en) * | 2016-02-16 | 2017-08-22 | 富士康(昆山)电脑接插件有限公司 | Connector and combinations thereof |
| CN109995399A (en) * | 2017-12-29 | 2019-07-09 | 富鼎精密工业（郑州）有限公司 | Connector and combinations thereof |
| CN111082241A (en) * | 2019-12-09 | 2020-04-28 | 中航光电科技股份有限公司 | High-speed multi-channel wireless transmission connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150255930A1 (en) * | 2014-03-04 | 2015-09-10 | Gilbert Lee | Interfaces with built-in transient voltage suppression |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086418A (en) * | 2016-02-16 | 2017-08-22 | 富士康(昆山)电脑接插件有限公司 | Connector and combinations thereof |
| CN109995399A (en) * | 2017-12-29 | 2019-07-09 | 富鼎精密工业（郑州）有限公司 | Connector and combinations thereof |
| CN111082241A (en) * | 2019-12-09 | 2020-04-28 | 中航光电科技股份有限公司 | High-speed multi-channel wireless transmission connector |
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