CN206820878U - A kind of HD video wire rod for realizing TYPE C and DP signal transmitted in both directions - Google Patents
A kind of HD video wire rod for realizing TYPE C and DP signal transmitted in both directions Download PDFInfo
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- CN206820878U CN206820878U CN201720794138.2U CN201720794138U CN206820878U CN 206820878 U CN206820878 U CN 206820878U CN 201720794138 U CN201720794138 U CN 201720794138U CN 206820878 U CN206820878 U CN 206820878U
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Abstract
The utility model discloses a kind of HD video wire rod for realizing TYPE C and DP signal transmitted in both directions, its DP male and TYPE C males are respectively used to connect DP interfaces and TYPE C interface, in addition to the signaling switch chip and TYPE C PD protocol chips being arranged between the TYPE C males and the DP males；The TYPE C signals that the DP signals or the TYPE C interface that the TYPE C PD protocol chips are sent according to the DP interfaces received are sent, corresponding control signal is sent to the signaling switch chip, the signaling switch chip is accordingly switched according to the control signal received to the DP signals or TYPE C signals.The utility model realizes the transmitted in both directions that TYPE C signals turn DP signals and DP signals turn TYPE C signals, not only simple to operate, and the scope of application is wider.
Description
Technical field
It the utility model is related to signal transmission technology field, and in particular to one kind realizes TYPE C and DP signal transmitted in both directions
HD video wire rod.
Background technology
Realize HD video wire rod that TYPE C signals and DP signals are mutually changed into one direction transmission line on the market at present
Material, single wire rod can only realize that TYPE C signals turn DP signals or DP signals turn TYPEC signals.This one direction transmission wire rod is not
The transmitted in both directions of TYPE C signals and DP signals can be realized, i.e., can not realize that TYPE C signals turn DP letters simultaneously by single wire rod
Number and DP signals turn TYPE C signals, the application of the HD video wire rod of this signal one direction transmission has certain limitation
Property.
Utility model content
Technical problem to be solved in the utility model is answering for the HD video wire rod of existing signal one direction transmission
Use confinement problems.
In order to solve the above-mentioned technical problem, the utility model provides a kind of height for realizing TYPE C and DP signal transmitted in both directions
Clear video wire rod, its DP male and TYPE C males are respectively used to connect DP interfaces and TYPE C interface, including are arranged on described
Signaling switch chip and TYPE C PD protocol chips between TYPE C males and the DP males；The TYPE C PD associations
The TYPE C signals that the DP signals or the TYPE C interface that view chip is sent according to the DP interfaces received are sent, to institute
State signaling switch chip and send corresponding control signal, the signaling switch chip is according to the control signal received to described
DP signals or TYPE C signals are accordingly switched.
In the above-mentioned technical solutions, the signaling switch chip will switch the obtained TYPE C signals through corresponding signal
Passage is sent to the TYPE C interface, and the DP signals that switching obtains are sent to the DP interfaces through DP signalling channels.
In the above-mentioned technical solutions, the AUX passages of the DP interfaces and HPD passages respectively with the TYPE C PD agreements
Chip carries out full-duplex communication and simplex, and its DP signalling channel carries out full-duplex communication with the signaling switch chip；
The CC protocol channels of the TYPE C interface carry out half-duplex operation with the TYPE C PD protocol chips, and it two
Road signalling channel carries out full-duplex communication with the signaling switch chip.
In the above-mentioned technical solutions, the DP interfaces and the TYPE C interface are separately positioned on signal output apparatus and letter
In number reception device；The signal output apparatus sends equipment to the TYPE C PD protocol chips by the HPD passages and connect
Enter signal；The TYPE C PD protocol chips are communicated by the CC protocol channels with the TYPE C interface, described in confirmation
TYPE C interface is used for the signalling channel for receiving the TYPE C signals, while obtains the signal by the CC protocol channels
The facility information of reception device；The TYPE C PD protocol chips control the signaling switch chip by the DP signals through true
The signalling channel recognized switches to the TYPE C signals, is sent through the DP signalling channels to the signal receiving device；
The TYPE C PD protocol chips control the signaling switch chip by the TYPE C in the signalling channel
Signal switches to the DP signals, sends to the signal output apparatus, and by the AUX passages by the facility information of acquisition
Send to the signal output apparatus, ask the signal output apparatus to send the DP signals.
In the above-mentioned technical solutions, the DP interfaces and the TYPE C interface are separately positioned on signal receiving device and letter
On number output device；The signal receiving device sends equipment to the TYPE C PD protocol chips by the HPD passages and connect
Enter signal, the TYPE C PD protocol chips obtain the facility information of the signal receiving device by the AUX passages, lead to
Cross the CC protocol channels to communicate with the TYPE C interface, confirm that the TYPE C interface is used to receive the TYPE C signals
Signalling channel, while the facility information of acquisition is sent to the signal output apparatus；The TYPE C PD agreement cores
Piece controls the signaling switch chip that the confirmed signalling channel of the DP signals is switched into the TYPE C signals, passes through
The signalling channel is sent to the signal output apparatus；
The TYPE C PD protocol chips are asked described in the signal output apparatus transmission by the CC protocol channels
TYPE C signals, the signaling switch chip is controlled to switch to the DP to believe the TYPE C signals in the signalling channel
Number, and send to the signal receiving device.
The utility model, between the TYPE C males and DP males by the HD video wire rod transmitted in traditional one direction
It is provided for switching the signaling switch chip of TYPE C signals and DP signals, and control signal is sent to signaling switch chip
TYPE C PD protocol chips, realize the transmitted in both directions that TYPE C signals turn DP signals and DP signals turn TYPE C signals, no
It is only simple to operate, and the scope of application is wider.
Brief description of the drawings
Fig. 1 is a kind of HD video line for realizing TYPE C and DP signal transmitted in both directions that the utility model embodiment provides
The principle schematic of material；
Fig. 2 be the utility model embodiment provide DP interfaces and TYPE C interface be separately positioned on signal output apparatus and
On signal receiving device, TYPE C and DP signal transmitted in both directions schematic diagram are realized；
Fig. 3 be the utility model embodiment provide DP interfaces and TYPE C interface be separately positioned on signal receiving device and
On signal output apparatus, TYPE C and DP signal transmitted in both directions schematic diagram are realized.
Embodiment
The utility model is described in detail with reference to Figure of description.
The utility model provides a kind of HD video wire rod for realizing TYPE C and DP signal transmitted in both directions, such as Fig. 1 institutes
Show, including be arranged between TYPE C males 10 and DP males 20 and opened for TYPE C signals and the signal of DP signal transmitted in both directions
Chip 30 is closed, and the TYPE C PD protocol chips 40 of control signal are sent to signaling switch chip 30；DP males 20 and TYPE
C males 10 are respectively used to connect DP interfaces and TYPE C interface, and TYPE C PD protocol chips 40 are sent out according to the DP interfaces received
The TYPE C signals that the DP signals or TYPE C interface sent is sent, corresponding control signal, signal are sent to signaling switch chip 30
Switch chip 30 is accordingly switched according to the control signal received to DP signals or TYPE C signals.
Signaling switch chip 30 sends the TYPE C signals that switching obtains to TYPE C interface through corresponding signal passage, will
Switch obtained DP signals to send to DP interfaces through DP signalling channels.
The AUX passages and HPD passages of DP interfaces carry out full-duplex communication and either simplex with TYPE C PD protocol chips 40 respectively
Communication, its DP signalling channel carry out full-duplex communication with signaling switch chip 30；The CC protocol channels and TYPE of TYPE C interface
C PD protocol chips 40 carry out half-duplex operation, and its two paths of signals passage carries out full-duplex communication with signaling switch chip 30.
As shown in Fig. 2 being arranged on for DP interfaces on signal output apparatus, TYPE C interface is arranged on signal receiving device
On, TYPE C and DP signal transmitted in both directions schematic diagram are realized, is specially：
Signal output apparatus sends equipment to TYPE C PD protocol chips 40 by HPD passages and accesses signal；TYPE C
PD protocol chips 40 are communicated by CC protocol channels with TYPE C interface, confirm that TYPEC interfaces are used to receive TYPE C signals
Signalling channel, while pass through the facility information of CC protocol channels acquisition signal receiving device；TYPE C PD protocol chips 40 control
The confirmed signalling channel of DP signals is switched to TYPE C signals by signaling switch chip 30, is sent through DP signalling channels to signal
Reception device；The control signal switch chip 30 of TYPE C PD protocol chips 40 switches to the TYPE C signals in signalling channel
DP signals, send to signal output apparatus, and are sent the facility information of acquisition to signal output apparatus by AUX passages, please
Signal output apparatus is asked to send DP signals.
Pass through transmitted in both directions for example, being provided with the host computer of DP interfaces and being provided between the display of TYPE C interface
The connection of HD video wire rod, the DP males 20 of wire rod insert DP interfaces, and the TYPE C males 10 of wire rod insert TYPE C interface：
Host computer sends DP signals by the HPD passages of DP interfaces to PD protocol processors 40, and notice PD protocol processors 40 regard
Frequency stream output is to display；Then PD protocol processors 40 are communicated by the CC protocol channels and display of TYPE C interface：Really
It is the DP signals transmitted by A faces or B faces signalling channel reception DP interfaces to recognize TYPE C interface；Obtained simultaneously by CC protocol channels
Take the facility information of display.Then PD protocol processors 40 are by A faces or B faces signal according to the TYPE C interface of display
Channel reception TYPE C signals, carry out control signal switch chip 30 and DP signals are switched into TYPE C signals, will through signalling channel
TYPE C signals are sent to display.
PD protocol processors 40 obtain the facility information of display by CC protocol channels, and control signal switch chip 30 will
TYPE C signals switch to DP signals, and DP signals are sent to host computer, and AXU passages the showing acquisition for passing through DP interfaces
Show that the facility information of device is sent to host computer, request host computer and send DP signals.
As shown in figure 3, being arranged on for DP interfaces on signal receiving device, TYPE C interface is arranged on signal output apparatus
On, TYPE C and DP signal transmitted in both directions schematic diagram are realized, is specially：
Signal receiving device sends equipment to TYPE C PD protocol chips 40 by HPD passages and accesses signal, TYPE C
PD protocol chips 40 obtain the facility information of signal receiving device by AUX passages, pass through CC protocol channels and TYPE C interface
Communication, confirm that TYPE C interface is used for the signalling channel for receiving TYPE C signals, while the facility information of acquisition is sent to letter
Number output device；The control signal switch chip 30 of TYPE C PD protocol chips 40 switches the confirmed signalling channel of DP signals
For TYPEC signals, sent through signalling channel to signal output apparatus；TYPE C PD protocol chips 40 please by CC protocol channels
Signal output apparatus is asked to send TYPE C signals, control signal switch chip 30 switches to the TYPE C signals in signalling channel
DP signals, and send to signal receiving device.
Pass through transmitted in both directions for example, being provided with the host computer of TYPE C interface and being provided between the display of DP interfaces
The connection of HD video wire rod, the TYPE C males 10 of wire rod insert TYPE C interface, and the DP males 20 of wire rod insert DP interfaces,
Display sends DP signals by the HPD passages of DP interfaces to PD protocol processors 40, and notice PD protocol processors 40 have display
Device accesses；The facility information of display is obtained by AXU passages simultaneously；Then PD protocol processors 40 by CC protocol channels and
TYPE C interface communication on host computer, it is by A faces or B faces signalling channel output TYPE C letters to confirm TYPE C interface
Number, DP signals are switched to TYPEC signals by control signal switch chip 30, send TYPE C signals to computer through signalling channel
Main frame.
PD protocol processors 40 ask host computer to send TYPE C signals by CC protocol channels, according to TYPE C interface
It is the TYPE C signals sent by A faces or B faces output host computer, carrys out control signal switch chip 30 and cut TYPE C signals
DP signals are changed to, and DP signals are sent to display.
The utility model passes through the TYPE C males 10 and DP males 20 of the HD video wire rod transmitted in traditional one direction
Between be provided for switching the signaling switch chip 30 of TYPE C signals and DP signals, and send and control to signaling switch chip 30
The PD protocol processors 40 of signal processed, realize the two-way biography that TYPE C signals turn DP signals and DP signals turn TYPE C signals
It is defeated, it is not only simple to operate, and also the scope of application is wider.
The utility model is not limited to above-mentioned preferred forms, and anyone should learn that under enlightenment of the present utility model
The structure change made, it is every that there is same or like technical scheme with the utility model, each fall within guarantor of the present utility model
Within the scope of shield.
Claims (5)
1. a kind of HD video wire rod for realizing TYPE C and DP signal transmitted in both directions, its DP male and TYPE C males are used respectively
In connection DP interfaces and TYPE C interface, it is characterised in that including being arranged between the TYPE C males and the DP males
Signaling switch chip and TYPE C PD protocol chips；The TYPE C PD protocol chips connect according to the DP received
The TYPE C signals that the DP signals or the TYPE C interface that mouth is sent are sent, corresponding control is sent to the signaling switch chip
Signal, the signaling switch chip carry out corresponding according to the control signal received to the DP signals or TYPE C signals
Switching.
2. the HD video wire rod as claimed in claim 1 for realizing TYPE C and DP signal transmitted in both directions, it is characterised in that institute
Signaling switch chip is stated to send the TYPE C signals that switching obtains to the TYPE C interface through corresponding signal passage, will
Switch the obtained DP signals to send to the DP interfaces through DP signalling channels.
3. the HD video wire rod as claimed in claim 2 for realizing TYPE C and DP signal transmitted in both directions, it is characterised in that
The AUX passages and HPD passages of the DP interfaces carry out full-duplex communication and list with the TYPE C PD protocol chips respectively
Work communicates, and its DP signalling channel carries out full-duplex communication with the signaling switch chip；
The CC protocol channels of the TYPE C interface carry out half-duplex operation, its two-way letter with the TYPE C PD protocol chips
Number passage carries out full-duplex communication with the signaling switch chip.
4. the HD video wire rod as claimed in claim 3 for realizing TYPE C and DP signal transmitted in both directions, it is characterised in that institute
State DP interfaces and the TYPE C interface is separately positioned on signal output apparatus and signal receiving device；The signal output dress
Put and equipment access signal is sent to the TYPE C PD protocol chips by the HPD passages；The TYPE C PD agreement cores
Piece is communicated by the CC protocol channels with the TYPE C interface, confirms that the TYPE C interface is used to receive the TYPE C
The signalling channel of signal, while pass through the facility information of the CC protocol channels acquisition signal receiving device；The TYPE
It is described that C PD protocol chips control the signaling switch chip to switch to the confirmed signalling channel of the DP signals
TYPE C signals, sent through the DP signalling channels to the signal receiving device；
The TYPE C PD protocol chips control the signaling switch chip by the TYPE C signals in the signalling channel
The DP signals are switched to, are sent to the signal output apparatus, and are sent the facility information of acquisition by the AUX passages
To the signal output apparatus, the signal output apparatus is asked to send the DP signals.
5. the HD video wire rod as claimed in claim 3 for realizing TYPE C and DP signal transmitted in both directions, it is characterised in that institute
State DP interfaces and the TYPE C interface is separately positioned on signal receiving device and signal output apparatus；The signal receives dress
Put and equipment access signal, the TYPE C PD agreement cores are sent to the TYPE C PD protocol chips by the HPD passages
Piece obtains the facility information of the signal receiving device by the AUX passages, passes through the CC protocol channels and the TYPE
C interface communicates, and confirms that the TYPE C interface is used for the signalling channel for receiving the TYPE C signals, while by described in acquisition
Facility information is sent to the signal output apparatus；The TYPE C PD protocol chips control the signaling switch chip by institute
State the confirmed signalling channel of DP signals and switch to the TYPE C signals, sent through the signalling channel to the signal
Output device；
The TYPE C PD protocol chips ask the signal output apparatus to send the TYPE C by the CC protocol channels
Signal, control the signaling switch chip that the TYPE C signals in the signalling channel are switched into the DP signals, and
Send to the signal receiving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720794138.2U CN206820878U (en) | 2017-07-03 | 2017-07-03 | A kind of HD video wire rod for realizing TYPE C and DP signal transmitted in both directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720794138.2U CN206820878U (en) | 2017-07-03 | 2017-07-03 | A kind of HD video wire rod for realizing TYPE C and DP signal transmitted in both directions |
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| Publication Number | Publication Date |
|---|---|
| CN206820878U true CN206820878U (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720794138.2U Active CN206820878U (en) | 2017-07-03 | 2017-07-03 | A kind of HD video wire rod for realizing TYPE C and DP signal transmitted in both directions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194889A (en) * | 2018-08-16 | 2019-01-11 | 长芯盛（武汉）科技有限公司 | Low speed signal conversion module for DP interface |
| CN110955623A (en) * | 2019-12-25 | 2020-04-03 | 顾荣华 | Display with USB Type C interface |
| CN112838635A (en) * | 2021-01-06 | 2021-05-25 | 闻泰通讯股份有限公司 | Interface circuit and intelligent device |
| CN112969044A (en) * | 2021-02-03 | 2021-06-15 | 深圳市普洛威电子有限公司 | Bidirectional universal video switching device and control method thereof |
-
2017
- 2017-07-03 CN CN201720794138.2U patent/CN206820878U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194889A (en) * | 2018-08-16 | 2019-01-11 | 长芯盛（武汉）科技有限公司 | Low speed signal conversion module for DP interface |
| CN109194889B (en) * | 2018-08-16 | 2020-11-20 | 长芯盛（武汉）科技有限公司 | Low-speed signal conversion module for DP interface |
| CN110955623A (en) * | 2019-12-25 | 2020-04-03 | 顾荣华 | Display with USB Type C interface |
| CN112838635A (en) * | 2021-01-06 | 2021-05-25 | 闻泰通讯股份有限公司 | Interface circuit and intelligent device |
| CN112969044A (en) * | 2021-02-03 | 2021-06-15 | 深圳市普洛威电子有限公司 | Bidirectional universal video switching device and control method thereof |
| CN112969044B (en) * | 2021-02-03 | 2024-02-23 | 深圳市普洛威电子有限公司 | Bidirectional universal video switching device and control method thereof |
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