CN210806247U

CN210806247U - Fill data line soon with security agreement

Info

Publication number: CN210806247U
Application number: CN201921477291.8U
Authority: CN
Inventors: 张好峰
Original assignee: Dongguan Trillion Electronic Co ltd
Current assignee: Dongguan Trillion Electronic Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-06-19
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a fill data line soon with safe agreement, this data line include data input end, data output end and data transmission line, data input end includes first Type-C and connects and USB connects, data output end includes second Type-C and connects and connect the Micro-USB who is connected with second Type-C and connect the conversion and connect with Lightning and connect, second Type-C connects inside second conversion circuit board that is provided with, is provided with Type-C on this second conversion circuit board and changes Micro-USB circuit, Type-C and changes Lightning circuit and safe agreement negotiation control circuit, data transmission line sets up between connection data input end and data output end. The utility model provides a fill interface that charges of data line soon is multiple, can select corresponding interface as required to realize that a line can charge for multiple smart machine, conveniently charge the use to smart machine, can realize type-C interface and USB interface, Lightning interface or the conversion of Micro USB interface simultaneously at same one-line.

Description

Fill data line soon with security agreement

Technical Field

The utility model relates to a data line technical field specifically is a fill data line soon with safety protocol.

Background

The quick charging technology is to adjust the input voltage and current value of the mobile phone through a chip set, so as to shorten the charging time. It is common to increase the charging speed of the mobile phone by increasing three conditions, namely, constant voltage and current, low voltage and high current, and high voltage and high current. The existing charging wire mainly comprises a Lightning interface of an apple, a Micro USB interface and a type-C interface of an android array camp, and some quick charging interfaces based on USB interfaces. Due to the fact that different mobile phone manufacturers adopt different interfaces, the super quick charging PD function of each manufacturer is different, different plugs and PD protocols are used for achieving the super quick charging PD function, and the charging wire of each manufacturer is single in function and cannot be used universally. Each charging wire can not be general leads to the line change with high costs, when a family member possessed a plurality of brand cell-phones, because the charging wire can not be general, leads to often needing to go to find the charging wire, and current fill data line soon and can't realize the conversion of type-C interface and USB interface, Lightning interface or Micro USB interface in same one line.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fill data line soon with safe agreement, this fill data line soon's the interface that charges is complete, can select corresponding interface as required to realize a line and can charge for multiple smart machine, conveniently charge the use to smart machine, can realize the advantage of type-C interface and USB interface, Lightning interface or the conversion of Micro USB interface simultaneously in same one line, solved the problem that above-mentioned technical background proposed.

In order to achieve the above object, the utility model provides a following technical scheme: a fast charging data line with a safety protocol comprises a data input end, wherein the data input end comprises a first Type-C connector and a USB connector, the first Type-C connector comprises a first conversion circuit board and a first Type-C connector shell wrapped on the outer side of the first conversion circuit board, one end of the first conversion circuit board is electrically connected with a data transmission line, the other end of the first conversion circuit board is connected with a first Type-C port, the first Type-C port is spliced with a USB splicing port on the USB connector, and a USB conversion Type-C circuit is arranged on the first conversion circuit board;

the data output end comprises a second Type-C connector, a Micro-USB connector and a Lightning connector, wherein the Micro-USB connector and the Lightning connector are in conversion connection with the second Type-C connector, a second conversion circuit board is arranged inside the second Type-C connector, a Type-C to Micro-USB circuit, a Type-C to Lightning circuit and a safety protocol handshaking negotiation control circuit are arranged on the second conversion circuit board, the Type-C to Micro-USB circuit, the Type-C to Lightning circuit and the safety protocol handshaking negotiation control circuit are connected in parallel, the safety protocol handshaking negotiation control circuit comprises a master control MCU, a voltage stabilizing circuit and a communication control circuit, the voltage stabilizing circuit and the communication control circuit are electrically connected with the master control MCU, and a communication signal processing chip is connected onto the communication control circuit;

the data transmission line is arranged between the connection data input end and the data output end and comprises an insulating layer and a filling layer wrapped in the insulating layer, and power core wires, data core wires, audio core wires and filling wires are uniformly distributed in the filling layer.

Preferably, a reinforcing rib is arranged on the first Type-C connector shell and fixedly connected with the USB shell on the USB connector.

Preferably, the data transmission line is close to data output end one end and is provided with the connection and glues the shell, connect gluey shell and insulating layer integrated into one piece, it is used for pegging graft Micro-USB to connect and Lightning connects the slot or is provided with the extension line or is provided with the adapter to connect to be provided with on gluey shell.

Preferably, the USB changes Type-C circuit includes female end of Type-C, public end of USB, protection electric capacity C1 and protective resistance R1, female end of Type-C has 24 communications to the mouth, the public end of USB has 9 communication ports, and wherein the A5 port of the female end of Type-C is ground connection behind protective resistance R1, and B4's all the way is through protective capacitance C1 ground connection, and another access connection USB is public end's No. 1 port.

Preferably, the master control MCU is an 8051 series single chip microcomputer, and the communication signal processing chips are respectively of the following types: TC 5809C.

The utility model also provides a realization method of filling data line soon with safe agreement, this method includes following step:

the method comprises the following steps: the Micro-USB connector or the Lightning connector is connected with the second Type-C connector in an inserting mode, the Micro-USB connector or the Lightning connector is connected with a mobile phone of a user side, the first Type-C connector is connected with the USB connector in an inserting mode, and a power supply is connected;

step two: a voltage stabilizing circuit on the safety protocol handshaking negotiation control circuit stabilizes voltage and supplies power to a main control MCU, a safety protocol layer on the main control MCU initiates a safety protocol parameter handshaking signal to a mobile phone on a data output end, and a safety management layer on the mobile phone receives a relevant signal;

the third step: and the security management layer of the mobile phone makes a security policy decision, the security policy decision is transmitted to the communication signal processing chip through the communication control circuit, the communication signal processing chip analyzes the security policy decision, a digital signal is converted into an electric signal and transmitted to the master control MCU, the master control MCU transmits the obtained security policy decision to the mobile phone again, and at the moment, the security protocol handshake negotiation is successful.

Preferably, the security protocol parameter handshake signal in the step two is a PD fast charge signal, and the determination of the security policy in the step three specifically includes the following two situations: firstly, a security management layer of the mobile phone recognizes a security protocol parameter handshake signal initiated by a main control MCU, and at the moment, the security protocol handshake negotiation is successful; secondly, the security management layer of the mobile phone does not recognize the security protocol parameter handshake signal initiated by the main control MCU, and at this time, the security protocol handshake negotiation is terminated.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up first Type-C and connect and the USB connects at data input end, set up second Type-C at data output end and connect the Micro-USB who is connected with second Type-C conversion and connect and Lightning and connect, can realize that six different form combinations charge, can select corresponding interface as required simultaneously to realize that a line can charge for multiple smart machine, the use of charging to smart machine is convenient.

2. The utility model discloses a set up the agreement negotiation control circuit that shakes hands of safety protocol on second conversion circuit board, the agreement negotiation control circuit that shakes hands of safety protocol includes main control MCU, voltage stabilizing circuit and the communication control circuit be connected with main control MCU electricity, reaches the agreement through main control MCU and data output end's cell-phone and realizes quick charge.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of the data transmission line of the present invention;

fig. 3 is a block diagram of a security protocol handshake negotiation control circuit according to the present invention;

fig. 4 is a schematic circuit diagram of the handshake negotiation control circuit of the security protocol of the present invention;

FIG. 5 is a schematic circuit diagram of the USB to Type-C circuit of the present invention;

FIG. 6 is a schematic circuit diagram of a Type-C to Micro-USB circuit according to the present invention;

FIG. 7 is a schematic circuit diagram of the Type-C to Lightning circuit of the present invention;

fig. 8 is a structural diagram of a second embodiment of the present invention;

fig. 9 is a structural diagram of a third embodiment of the present invention.

The reference numerals and names in the figures are as follows:

1. a data input; 11. a first Type-C linker; 111. a first conversion circuit board; 112. a first Type-C connector housing; 113. a first Type-C port; 114. reinforcing ribs; 12. a USB connector; 121. a USB plug port; 122. a USB housing; 2. a data output terminal; 21. a second Type-C linker; 22. a Micro-USB connector; 23. a Lightning connector; 24. a main control MCU; 25. a voltage stabilizing circuit; 26. a communication control circuit; 27. a communication signal processing chip; 3. a data transmission line; 31. an insulating layer; 32. a filling layer; 33. a power supply core wire; 34. a data core; 35. an audio core; 36. filling the line; 37. connecting the rubber shell; 38. a slot; 39. an extension line; 310. and (6) an adapter.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1 to fig. 3, the present invention provides an embodiment: a fast charging data line with a safety protocol comprises a data input end 1, a data output end 2 and a data transmission line 3, wherein the data input end 1 comprises a first Type-C connector 11 and a USB connector 12, the first Type-C connector 11 comprises a first conversion circuit board 111 and a first Type-C connector shell 112 wrapped on the outer side of the first conversion circuit board 111, one end of the first conversion circuit board 111 is electrically connected with the data transmission line 3, the other end of the first conversion circuit board is connected with a first Type-C port 113, the first Type-C port 113 is plugged with a USB plug port 121 on the USB connector 12, and a USB conversion Type-C circuit is arranged on the first conversion circuit board 111; the data output end 2 comprises a second Type-C connector 21, and a Micro-USB connector 22 and a Lightning connector 23 which are in switching connection with the second Type-C connector 21, a second switching circuit board is arranged inside the second Type-C connector 21, the second conversion circuit board is provided with a Type-C to Micro-USB circuit, a Type-C to Lightning circuit and a safety protocol handshake negotiation control circuit, the Type-C to Micro-USB circuit, the Type-C to Lightning circuit and the security protocol handshake negotiation control circuit are connected in parallel, wherein the safety protocol handshake negotiation control circuit comprises a main control MCU24, a voltage stabilizing circuit 25 electrically connected with the main control MCU24 and a communication control circuit 26, the communication control circuit 26 is connected with a communication signal processing chip 27, in this embodiment, the main control MCU24 is an 8051 series single chip microcomputer, and the types of the communication signal processing chip 27 are respectively: TC 5809C; data transmission line 3 sets up between connecting data input 1 and data output 2, and it includes insulating layer 31 and wraps up the filling layer 32 in insulating layer 31, evenly distributed has power heart yearn 33, data heart yearn 34, audio frequency heart yearn 35 and filling line 36 in the filling layer 32, wherein power heart yearn 33 and audio frequency heart yearn 35 all are provided with two, data heart yearn 34 is provided with one, and power heart yearn 33, data heart yearn 34 and audio frequency heart yearn 35 all wrap up in the filling rope 36 outside, insulating layer 31 is white TPE material preparation in this embodiment, filling layer 32 is foaming PVC, filling line 36 is the cotton thread, it can effectively improve the stretch resistance and the anti rocking property of filling the data line to increase filling rope 36 in this fill data line soon.

Be equipped with a strengthening rib 114 on the first Type-C connects shell 112, USB shell 122 fixed connection on this strengthening rib 114 and the USB connects 12 through will strengthening rib 114 with first Type-C connects shell 112 and USB shell 122 fixed connection, has made things convenient for the switching that first Type-C connects 11 and USB to connect 12, can effectually prevent simultaneously that USB from connecting 12 to lose, and the practicality is strong.

The data transmission line 3 is provided with near data output end 2 one end and connects gluey shell 37, connect gluey shell 37 and insulating layer 31 integrated into one piece, be provided with on the gluey shell 37 of connection and be used for pegging graft Micro-USB to connect 22 and Lightning and connect 23 slot 38, when needs connect Micro-USB to connect 22 and Lightning and connect 23 and insert second Type-C and connect 21, only need connect Micro-USB to connect 22 and Lightning and connect 23 and extract alright, convenient operation from slot 38 in.

Referring to fig. 4, in the security protocol handshake negotiation control circuit in the figure, a P1 end is connected to the mobile phone, a P2 end is connected to the PD charger, a No. 5 communication port at a P2 end is connected to a voltage stabilizing circuit 25 formed by a resistor R4, a resistor R5, a capacitor C5, a diode D3, and a MOS transistor Q2, and the No. 7 communication port at the P1 end is connected, the No. 8 port at the P1 end is connected with the No. 2 port of the U1 after passing through the diodes D1 and D2, and supplies power to the U1 through a P1 end, a No. 1 end of a P1 end is grounded, 2 and 3 are respectively connected with 7 and 10 good ports of the U1, No. 3 and 15 pins of the U1 are connected with No. 14 and 16 pins of the U2, a No. 1 pin of the U1 is connected with a No. 2 pin of the U2, and provides power to the U2, pin No. 5 of the U2 is connected with the VDD terminal of the communication control circuit 26, the communication control circuit 26 consists of a MOS tube Q1, a diode D4, a resistor R6, a resistor R7 and a triode Q3, wherein U1 and U2 are the above-mentioned master MCU24 and communication signal processing chip 27 respectively; the types of the diodes D1, D2 and D3 are RB 520; the MOS tube Q1 is CJ 3407; the model of the MOS transistor Q2 is 2N 7002T; the model of the MOS transistor Q3 is DTC143 ZE; the diode D4 has a model number BSD5A241V 35.

Referring to fig. 5, the USB to Type-C circuit in the figure includes a Type-C female terminal, a USB male terminal, a protection capacitor C1, and a protection resistor R1, where the Type-C female terminal has 24 communication interfaces, and the USB male terminal has 9 communication ports, an a5 port of the Type-C female terminal is grounded after passing through the protection resistor R1, one path of the B4 is grounded through the protection capacitor C1, and the other path is connected to the port No. 1 of the USB male terminal.

Referring to fig. 6, fig. 6 shows a Type-C to Micro-USB circuit, in which

ports

1 and 2 of the Micro-USB head are grounded, and

ports

3, 4, and 5 are respectively connected to ports B6, B7, and B4 of the female terminal of the second Type-C connector 21, so as to convert the Type-C head to the Micro-USB head.

Referring to fig. 7, fig. 7 is a Type-C to lighting circuit, which includes a Type-C female terminal, a lighting male terminal, a MOS transistor Q1 connected between the Type-C female terminal and the lighting male terminal, and an operational amplifier, wherein the operational amplifier is of Type SOT-23-6, and the MOS transistor Q1 is of Type 3415.

the method comprises the following steps: the Micro-USB connector 22 or the Lightning connector 23 is connected with the second Type-C connector 21 in an inserting mode, the Micro-USB connector 22 or the Lightning connector 23 is connected with a mobile phone of a user side, the first Type-C connector 11 is connected with the USB connector 12 in an inserting mode, and the power supply is connected;

step two: a voltage stabilizing circuit 25 on the security protocol handshaking negotiation control circuit stabilizes voltage and supplies power to the main control MCU24, a security protocol layer on the main control MCU24 initiates a security protocol parameter handshaking signal to a mobile phone on the data output end 2, and a security management layer on the mobile phone receives the relevant signal;

the third step: the security management layer of the mobile phone makes a security policy decision, the security policy decision is transmitted to the communication signal processing chip 27 through the communication control circuit 26, the communication signal processing chip 27 analyzes the security policy decision and converts the digital signal into an electric signal to be transmitted to the main control MCU24, the main control MCU24 transmits the obtained security policy decision to the mobile phone again, and at this time, the security protocol handshake negotiation is successful.

The security protocol parameter handshake signal in the second step is a PD fast charge signal, the security policy is determined as a string of digital passwords, and the determination of the security policy in the third step specifically includes the following two cases: firstly, a security management layer of the mobile phone recognizes a security protocol parameter handshake signal initiated by the main control MCU24, and at this time, the security protocol handshake negotiation is successful; secondly, the security management layer of the handset does not recognize the security protocol parameter handshake signal initiated by the main control MCU24, and at this time, the security protocol handshake negotiation is terminated.

Example two:

referring to fig. 8, the present invention provides an embodiment: the embodiment is different from the first embodiment in that: an extension line 39 is arranged on the connecting rubber shell 37, three extension lines 39 are arranged on the extension line 39, one ends of the three extension lines 39 departing from the rubber shell 37 are connected with the second Type-C connector 21, the Micro-USB connector 22 and the Lightning connector 23 in the embodiment can be used independently, meanwhile, the Micro-USB connector 22 and the Lightning connector 23 can be plugged into the second Type-C connector 21 to realize various combinations, the Micro-USB connector 22 in the embodiment is positioned between the second Type-C connector 21 and the Lightning connector 23, and the two sides of the shell of the Micro-USB connector 22 are provided with plug blocks matched with the shells on the second Type-C connector 21 and the Lightning connector 23, make second Type-C connect 21, Micro-USB connect 22 and Lightning connect 23 can be fixed side by side, and the practicality is strong. The features that are not explained in this embodiment are all explained in the first embodiment, and are not described again here.

Example three:

referring to fig. 9, the present invention provides an embodiment: the difference between the present embodiment and the first and second embodiments is that: connect to be provided with adapter 310 on the gluey shell 37, second Type-C connects 21, the Micro-USB connects 22 and Lightning connects 23 and establishes on this adapter 310, second Type-C connects 21, the Micro-USB connects 22 and Lightning connects 23 and is the setting of "article" form, specifically when using, can peg graft Micro-USB on second Type-C connects 21 and connect 22 and Lightning and connect 23, realizes the combination form of multiple difference, satisfies user's demand. The features that are not explained in this embodiment are all explained in the first embodiment, and are not described again here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fill data line soon with security protocol which characterized in that: the data input end (1) comprises a first Type-C connector (11) and a USB connector (12), the first Type-C connector (11) comprises a first conversion circuit board (111) and a first Type-C connector shell (112) wrapped on the outer side of the first conversion circuit board (111), one end of the first conversion circuit board (111) is electrically connected with a data transmission line (3), the other end of the first conversion circuit board is connected with a first Type-C port (113), the first Type-C port (113) is plugged with a USB plugging port (121) on the USB connector (12), and a USB conversion Type-C circuit is arranged on the first conversion circuit board (111);

a data output end (2), wherein the data output end (2) comprises a second Type-C connector (21), and a Micro-USB connector (22) and a Lightning connector (23) which are in switching connection with the second Type-C connector (21), a second conversion circuit board is arranged in the second Type-C connector (21), the second conversion circuit board is provided with a Type-C to Micro-USB circuit, a Type-C to Lightning circuit and a safety protocol handshake negotiation control circuit, the Type-C to Micro-USB circuit, the Type-C to Lightning circuit and the security protocol handshake negotiation control circuit are connected in parallel, wherein the safety protocol handshake negotiation control circuit comprises a main control MCU (24), a voltage stabilizing circuit (25) and a communication control circuit (26) which are electrically connected with the main control MCU (24), the communication control circuit (26) is connected with a communication signal processing chip (27);

data transmission line (3), data transmission line (3) set up between connection data input end (1) and data output end (2), and it includes insulating layer (31) and wraps up filling layer (32) in insulating layer (31), evenly distributed has power core (33), data core (34), audio frequency core (35) and filling line (36) in filling layer (32).

2. The fast charging data line with the security protocol according to claim 1, wherein: and a reinforcing rib (114) is arranged on the first Type-C connector shell (112), and the reinforcing rib (114) is fixedly connected with a USB shell (122) on the USB connector (12).

3. The fast charging data line with the security protocol according to claim 1, wherein: data transmission line (3) are close to data output end (2) one end and are provided with to connect and glue shell (37), connect and glue shell (37) and insulating layer (31) integrated into one piece, it is used for pegging graft Micro-USB to connect (22) and Lightning to connect (23) slot (38) or be provided with extension line (39) or be provided with adapter (310) to connect to be provided with on gluey shell (37) to connect.

4. The fast charging data line with the security protocol according to claim 1, wherein: USB changes Type-C circuit and includes female end of Type-C, the public end of USB, protection electric capacity C1 and protective resistance R1, the female end of Type-C has 24 communications to the mouth, the public end of USB has 9 communication ports, and wherein the A5 port of the female end of Type-C is ground connection behind protective resistance R1, and B4's all the way is through protective capacitance C1 ground connection, and another access connection USB is public end's No. 1 port.

5. The fast charging data line with the security protocol according to claim 1, wherein: the master control MCU (24) is an 8051 series single chip microcomputer, and the models of the communication signal processing chip (27) are respectively as follows: TC 5809C.