CN106372015A - Multi-interface multiplex device - Google Patents
Multi-interface multiplex device Download PDFInfo
- Publication number
- CN106372015A CN106372015A CN201610771260.8A CN201610771260A CN106372015A CN 106372015 A CN106372015 A CN 106372015A CN 201610771260 A CN201610771260 A CN 201610771260A CN 106372015 A CN106372015 A CN 106372015A
- Authority
- CN
- China
- Prior art keywords
- cable
- connector
- pin
- interface
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0002—Serial port, e.g. RS232C
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Computer Hardware Design (AREA)
- Information Transfer Systems (AREA)
Abstract
The invention discloses a multi-interface multiplex device which is used for realizing intercommunication of electronic products and external equipment. The device comprises a multi-interface transfer switch circuit (1) and a cable (3) with a coding function, wherein one end of the multi-interface transfer switch circuit (1) is connected with a multi-path functional interface inside an electronic product, and the other end of the multi-interface transfer switch circuit (1) is connected with a connector (2) through a cable coding signal cable (4) and a gating signal cable (5); and one end of the cable (3) with the coding function is connected with the connector (2), and the other end of the cable (3) with the coding function is connected with the external equipment. The multi-interface transfer switch circuit (1) is provided with a switch matrix (3) according to the type of the cable which is inserted into the connector (2), a required interface signal of the external equipment is gated, and the cable (3) with the coding function is used for converting a specific interface connected with the connector (2) into the mode of a standard interface, so that intercommunication between the electronic product and the external equipment can be realized. The multi-interface multiplex device has the advantages of few connectors, high reliability and low use cost.
Description
Technical field
The invention belongs to hand-held electronic product external interface technical field, particularly a kind of connector number few and, can
By the multiplex roles multiplexer that property is high, use cost is low.
Background technology
Realize being connected for convenience of with the external equipment of different systems, existing hand-held electronic product typically requires integrated many
Individual external interface, such as usb, Ethernet, asynchronous serial port, display, audio frequency etc..Every kind of interface is using each special connector.This
The mode of kind needs to open up multiple windows in electronic product profile, takies larger area, and user operation is using inconvenience.
A kind of improved be achieved in that the connector more using number of pins, multiple interfaces are integrated in one and patch
On part, the signal definition of every kind of interface is in different pins.As the product of Apple, using the flat connector of 30 cores, collect
Charging, usb, asynchronous serial port, audio frequency etc. are become.Adopt in this way, because connector pin is intensive, connector is more fragile,
Easily cause damage, and interface size is larger.
As improving further, the product of release as up-to-date in Apple, it is to install chip additional on cable, effectively reduce and connect
Mouth size.But its cost is higher, because External cable is consumable goodss, customer using cost is higher.
Therefore, how by effective manner, external interface to be merged, multiple interfaces are merged into a pin relatively
On few connector, reduce electronic product interface quantity, improve interface reliability, reduce cable cost, be prior art urgently
Problem to be solved.
Content of the invention
It is an object of the invention to provide a kind of multiplex roles multiplexer, connect in the same outside of hand-held electronic product
Realize multiple external interface multiplexings on mouthful, reduce connector number and number of pins, improve reliability, reduce cable cost.
The technical solution realizing the object of the invention is:
A kind of multiplex roles multiplexer, for realizing the interconnection and interflow of electronic product and external equipment, comprising: multiplex roles are cut
Change on-off circuit, connector, band encoding function cable；Described multiplex roles switching on-off circuit one end be used for electronic product inside
Multichannel functional interface is connected, and the other end is connected with connector with gating signal cable by cable encoded signal cable, described band
Encoding function cable one end is connected with connector, and the other end is used for being connected with external equipment；Described multiplex roles switch on-off circuit,
For the species according to insertion connector cable, switch matrix, the required external apparatus interface signal of gating are set；Described patch
Part, for producing cable encoded signal according to insertion cable, and multiplex roles is switched the external equipment that on-off circuit (1) gates connects
Mouth signal transmission is to band encoding function cable；Described band encoding function cable, for turning the special interface being connected with connector
Change standard interface form into, realize the interconnection and interflow of electronic product and external equipment.
The operation principle of the present invention is:
Reserve some pins on connector and cable, drop-down by carrying out to these pins pulling up on cable, it is used for
Represent interface type；After cable insertion, according to the cable species reading, configuration is corresponding to be switched multiplex roles switching on-off circuit
Matrix, from corresponding interface signal, is obtained required interconnection interface signal on this connector, and is communicated with outside.
The present invention compared with prior art, its remarkable advantage:
1st, decrease the quantity of exterior of terminal connector, be conducive to the miniaturization of hand-held electronic product and integrated set
Meter；
2nd, adopt less pin connector, same size connector can the higher pin of installation strength, improve
The fastness of interface and reliability；
3rd, being directed to cable is consumable goodss, simplifies cable end design, reduces comprehensive use cost；
4th, adopt automatic identification to design, improve the intelligent level of interface；
5th, using first detecting the design connecting desired signal afterwards, improve the safety of interface.
Brief description
Fig. 1 is multiplex roles multiplexer structural representation of the present invention.
Fig. 2 is multiplex roles switching switching circuit structure schematic diagram in Fig. 1.
Fig. 3 is connector structure schematic diagram in Fig. 1.
Fig. 4 is band encoding function cable structure schematic diagram in Fig. 1.
Fig. 5 is the workflow diagram of multiplex roles multiplexer of the present invention.
In figure, multiplex roles switch on-off circuit 1, connector 2, carry encoding function cable 3,
Gating control logic unit 11, switch element 12, electrical switch 13,
Plug shell 21, electrical pin 22, cable coding pin 221, gating signal pin 222,
Cable plug 31, function plug 32, standard interface 33, cable 34.
Specific embodiment
As shown in figure 1, multiplex roles multiplexer of the present invention, for realizing the interconnection and interflow of electronic product and external equipment,
Including:
Multiplex roles switching on-off circuit 1, connector 2, band encoding function cable 3；
Described multiplex roles switching on-off circuit 1 one end is used for multichannel functional interface internal with electronic product and is connected, the other end
It is connected with connector 2 with gating signal cable 5 by cable encoded signal cable 4, described band encoding function cable 3 one end and connecing
Plug-in unit 2 is connected, and the other end is used for being connected with external equipment；
Described multiplex roles switch on-off circuit 1, for the species according to insertion connector 2 cable, arrange switch matrix, choosing
Logical required external apparatus interface signal；
Described connector 2, for producing cable encoded signal according to insertion cable, and multiplex roles is switched on-off circuit 1
The external apparatus interface signal transmission of gating is to band encoding function cable 3；
Described band encoding function cable 3, for the special interface being connected with connector 2 is converted into standard interface form,
Realize the interconnection and interflow of electronic product and external equipment.
As a kind of embodiment, multiplex roles switching on-off circuit 1 is integrated in inside electronic product；Connector 2 is electronics
The external interface of product, switches on-off circuit 1 by printed circuit board (PCB) or cable etc. and multiplex roles and is connected；Functional line with coding
Cable 3 is the adnexa of electronic product, is connected with connector 2.
As shown in Fig. 2 described multiplex roles switching on-off circuit 1 includes gating control logic unit 11 and switch element 12；
The input of described gating control logic unit 11 is connected with cable encoded signal cable 4, and its outfan passes through print
Brush circuit is connected with the control end of switch element 12, the input of described switch element 12 and the multichannel function within electronic product
Interface is connected, and its outfan is connected with gating signal cable 5；
It is provided with, between the input and outfan of described switch element 12, the multichannel electronic being controlled by cable encoded signal
Switch 13.
As shown in figure 3, described connector 2 includes plug shell 21 and is fixedly installed in described plug shell 21
Multipath electric pin 22；
Described electrical pin 22 includes cable coding pin 221 and gating signal pin 222, and described cable encodes pin
221 are connected with cable encoded signal cable 4, output cord encoded signal, described gating signal pin 222 and gating signal cable
5 are connected, and export gating signal.
Remaining can also have power supply signal pin, earth signal pin.
Described cable coding pin 221 is so arranged:
The signal that cable encodes on pin 221 is cable encoded signal；
When carrying encoding function cable 3 to be not inserted into, cable encoded signal, by weak pull-up or drop-down, this state is defined as no
Cable insert state；
After carrying encoding function cable 3 insertion, cable coding pin 221 assembly coding is one of following state: is grounded, connects
Power supply, hanging；And cable type is determined according to coding.
Cable end is to change the assembly coding of these pins to the processing mode of these pins, and then which kind of can be determined that
Cable (when actually used, for reduce interface gate logic design complexities it is also possible to cancel vacant state, only retain ground connection and
Connect power supply status).Taking configure the design that 3 cables encode pin as a example, when not using vacant state, can there are 8 kinds of states, use
Binary representation is " 000 ", " 001 ", " 010 ", " 011 ", " 100 ", " 101 ", " 110 ", " 111 ".It is assumed that in electronic product
These pins are carried out weak pull-down by portion, then when being not inserted into cable, and the encoded radio of reading is " 000 ".There may be 7 kinds of differences
Type cable, this 3 pins are connect power supply in different combinations, after insertion, will produce other 7 kinds of codings, then connect
Mouth gating control logic can be just any cable according to the judgement of this 7 kinds codings.
As shown in figure 4, described band encoding function cable 3 includes cable plug 31, function plug 32, standard interface 33, institute
State cable plug 31 one end for electrical pin 22 grafting with described connector 2, its other end is passed through cable 34 and inserted with function
32 are connected, and described standard interface 33 one end is connected with function plug 32, and the other end is for being connected with external equipment.
Described cable plug 31 is so arranged:
According to cable type by cable plug 31 pullup or pulldown respectively, and coding is formed with this, and draw with cable coding
The coding definition of foot 221 corresponds to.
Plug 31 with coding is used for connecting the connector 20 on electronic equipment, and the pin of plug inside passes through weldering with cable
Connect or crimping mode is connected；The other end of cable is connected with function plug 32 by welding or crimping mode.Wherein band coding
Plug insert the connector 21 of Fig. 3, its signal definition is corresponding with the pin 22 of the connector 21 of Fig. 3, and will in housing
Cable encode pin carry out pulling up according to the rule setting, drop-down or hanging.Cable 34 is used for carrying the function signal of reality；
Function plug end is used for realizing the physics plug of standard, such as rj45, db9, usb etc..
The workflow of multiplex roles multiplexer of the present invention is as shown in Figure 5.
(501) system start-up.Continue execution step (502) after startup；
(502) reset cable coding pin/disconnection switch.After electronic product system starts, first will be multiple for cable coding pin
Position, reverts to default conditions (during start, existing cable insertion remains a need for this operation), by default, switch element is whole
It is off, do not export any function signal on connector.Continue step (503)；
(503) detection cable coding pin.Device Host persistently detects cable coding pin, when there being cable insertion, will
Cable coding pin value is changed.Continue step (504)；
(504) judge whether cable coding pin changes.If cable coding pin value changes, go to step
(505), otherwise redirect simultaneously repeat step (504)；
(505) calculate pin value；
(506) discrimination function cable type: inserted function cable type is judged according to the pin value reading；
(507) configuration switch location mode: switch element is arranged to open accordingly by the function cable type according to judging
Off status；
(508) output function signal: function signal exports connector, normal usage function cable；Continue step
(509)；
(509) judging system whether power-off, if otherwise going to step (503), judging cable plug state.If then terminating to flow
Journey.
The present invention reduces the quantity of exterior of terminal connector, be conducive to the miniaturization of hand-held electronic product and integrated
Design；And adopt the connector of less pin, same size connector can the higher pin of installation strength, improve interface
Fastness and reliability；By simplifying cable end, reduce the use cost of the cable as consumable goodss；Known using automatic
Not, improve the intelligent level of interface；By the way of first detecting and connecting desired signal afterwards, improve the safety of interface.
Claims (6)
1. a kind of multiplex roles multiplexer, for realizing the interconnection and interflow of electronic product and external equipment it is characterised in that wrapping
Include:
Multiplex roles switching on-off circuit (1), connector (2), band encoding function cable (3)；
Described multiplex roles switching on-off circuit (1) one end is used for multichannel functional interface internal with electronic product and is connected, and the other end leads to
Cross cable encoded signal cable (4) to be connected with connector (2) with gating signal cable (5), described band encoding function cable (3)
End is connected with connector (2), and the other end is used for being connected with external equipment；
Described multiplex roles switching on-off circuit (1), for the species according to insertion connector (2) cable, arrange switch matrix, choosing
Logical required external apparatus interface signal；
Described connector (2), for producing cable encoded signal according to insertion cable, and multiplex roles is switched on-off circuit (1)
The external apparatus interface signal transmission of gating is to band encoding function cable (3)；
Described band encoding function cable (3), for the special interface being connected with connector (2) is converted into standard interface form,
Realize the interconnection and interflow of electronic product and external equipment.
2. multiplex roles multiplexer according to claim 1 it is characterised in that:
Described multiplex roles switching on-off circuit (1) include gating control logic unit (11) and switch element (12)；
The input of described gating control logic unit (11) is connected with cable encoded signal cable (4), and its outfan passes through print
Brush circuit is connected with the control end of switch element (12), the input of described switch element (12) and the multichannel within electronic product
Functional interface is connected, and its outfan is connected with gating signal cable (5)；
It is provided with, between the input and outfan of described switch element (12), the multichannel electronic being controlled by cable encoded signal to open
Close (13).
3. multiplex roles multiplexer according to claim 1 it is characterised in that:
Described connector (2) includes plug shell (21) and the multipath electric being fixedly installed in described plug shell (21)
Pin (22)；
Described electrical pin (22) includes cable coding pin (221) and gating signal pin (222), and described cable encodes pin
(221) it is connected with cable encoded signal cable (4), output cord encoded signal, described gating signal pin (222) and gating letter
Number cable (5) is connected, and exports gating signal.
4. multiplex roles multiplexer according to claim 3 is it is characterised in that described cable encodes pin (221) so
Setting:
The signal that cable encodes on pin (221) is cable encoded signal；
When carrying encoding function cable (3) to be not inserted into, cable encoded signal, by weak pull-up or drop-down, this state is defined as wirelessly
Cable insert state；
After carrying encoding function cable (3) insertion, cable coding pin (221) assembly coding is one of following state: is grounded, connects
Power supply, hanging；And cable type is determined according to coding.
5. multiplex roles multiplexer according to claim 3 it is characterised in that:
Described band encoding function cable (3) includes cable plug (31), function plug (32), standard interface (33), described cable
Plug (31) one end is used for electrical pin (22) grafting with described connector (2), and its other end passes through cable (34) and function
Plug (32) is connected, and described standard interface (33) one end is connected with function plug (32), and the other end is used for being connected with external equipment.
6. multiplex roles multiplexer according to claim 5 is it is characterised in that described cable plug (31) is so arranged:
According to cable type by cable plug (31) pullup or pulldown respectively, and coding is formed with this, and encode pin with cable
(221) coding definition corresponds to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771260.8A CN106372015A (en) | 2016-08-29 | 2016-08-29 | Multi-interface multiplex device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771260.8A CN106372015A (en) | 2016-08-29 | 2016-08-29 | Multi-interface multiplex device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106372015A true CN106372015A (en) | 2017-02-01 |
Family
ID=57900853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610771260.8A Pending CN106372015A (en) | 2016-08-29 | 2016-08-29 | Multi-interface multiplex device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106372015A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087491A (en) * | 2018-07-24 | 2018-12-25 | 郑州大学第附属医院 | A kind of Medical Devices remote data acquisition device |
| CN112445163A (en) * | 2019-09-05 | 2021-03-05 | 上海海拉电子有限公司 | Standardized connector system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060085577A1 (en) * | 2004-10-14 | 2006-04-20 | Kabushiki Kaisha Toshiba | Portable recording and reproducing apparatus, recording and reproducing system and recording and reproducing method |
| CN201945991U (en) * | 2011-01-28 | 2011-08-24 | 联想(北京)有限公司 | Electronic device and interface detection device |
| CN102546869A (en) * | 2012-01-06 | 2012-07-04 | 海能达通信股份有限公司 | USB (Universal Serial Bus) interface multiplexing interphone and control method thereof |
| CN105867874A (en) * | 2016-03-25 | 2016-08-17 | 乐视控股（北京）有限公司 | A user device |
-
2016
- 2016-08-29 CN CN201610771260.8A patent/CN106372015A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060085577A1 (en) * | 2004-10-14 | 2006-04-20 | Kabushiki Kaisha Toshiba | Portable recording and reproducing apparatus, recording and reproducing system and recording and reproducing method |
| CN201945991U (en) * | 2011-01-28 | 2011-08-24 | 联想(北京)有限公司 | Electronic device and interface detection device |
| CN102546869A (en) * | 2012-01-06 | 2012-07-04 | 海能达通信股份有限公司 | USB (Universal Serial Bus) interface multiplexing interphone and control method thereof |
| CN105867874A (en) * | 2016-03-25 | 2016-08-17 | 乐视控股（北京）有限公司 | A user device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087491A (en) * | 2018-07-24 | 2018-12-25 | 郑州大学第附属医院 | A kind of Medical Devices remote data acquisition device |
| CN109087491B (en) * | 2018-07-24 | 2021-04-27 | 郑州大学第一附属医院 | Medical equipment remote data acquisition unit |
| CN112445163A (en) * | 2019-09-05 | 2021-03-05 | 上海海拉电子有限公司 | Standardized connector system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7635280B1 (en) | Type A USB receptacle with plug detection | |
| CN102308497B (en) | Method for implementing reusing audio connector interface and terminal device | |
| CN101383627A (en) | Device and method for terminal charger charging, USB charging and data communication | |
| CN103094793B (en) | The smart card connecting circuit of electronic equipment and electronic equipment | |
| US11232061B2 (en) | CompactFlash express (CFX) adapters | |
| CN103718169A (en) | Can bus automatic line termination | |
| CN100530848C (en) | Connector apparatus with counting function | |
| CN204156228U (en) | A kind of novel safe and intelligent socket | |
| CN106372015A (en) | Multi-interface multiplex device | |
| CN107291646B (en) | Network port and serial port multiplexing device and single board | |
| CN202872142U (en) | Multifunctional USB (Universal Serial Bus) data line | |
| CN110557748A (en) | detection circuit based on control chip, mobile terminal and data line | |
| CN202267962U (en) | Bus interface circuit and electronic device | |
| CN103473208B (en) | Transmission system | |
| CN201498807U (en) | Plug of vehicle-mounted automatic diagnosis system | |
| CN107070547B (en) | A kind of CPCI type gigabit Ethernet device with failure monitoring ability | |
| CN111769645B (en) | Electrical topology identification system of resistance type intelligent experimental island | |
| CN102143404A (en) | Intelligent structured cabling system and jack | |
| CN206270936U (en) | USB interface-based programming circuitry and virtual implementing helmet | |
| CN114116584A (en) | Interface board card, user equipment and CPU test system | |
| CN203760209U (en) | MHL cable and MHL cable hot plug detecting system | |
| CN217010374U (en) | Interface integrated circuit and electronic device | |
| CN111444049B (en) | USB cable, multifunctional USB debugging method, debugger and debugging device | |
| CN216086678U (en) | Automatic testing arrangement of intelligent terminal based on ethernet | |
| CN202772373U (en) | USB connecting device and electronic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170201 |