CN209593648U - A kind of same screen device with HDMI conversion function - Google Patents
A kind of same screen device with HDMI conversion function Download PDFInfo
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- CN209593648U CN209593648U CN201920788564.4U CN201920788564U CN209593648U CN 209593648 U CN209593648 U CN 209593648U CN 201920788564 U CN201920788564 U CN 201920788564U CN 209593648 U CN209593648 U CN 209593648U
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Abstract
The utility model discloses a kind of same screen device with HDMI conversion function, it includes with screen device main body, HDMI converter is set in the same screen device main body, the HDMI converter includes at least one HDMI input interface, HDMI output interface, HDMI switch control unit, MCU unit and signal source switching key, the HDMI input interface, HDMI output interface and MCU unit are all connected with HDMI switch control unit, the signal source switching key connects the MCU unit, the HDMI input interface, HDMI output interface and signal source switching key are provided with this with screen device body outer surface.The utility model has additional HDMI converter, and HDMI conversion function is realized by the HDMI converter, it can be in the case where not plugging HDMI data line, it directly presses down with the signal source switching key in screen device main body, same screen device content interface and set-top box content interface on i.e. changeable television set, achieve the purpose that manual switching, in addition, the utility model can also automatically switch with screen device content interface and set-top box content interface.
Description
Technical field:
The utility model relates to same screen device product technical fields, refer in particular to a kind of same screen device with HDMI conversion function.
Background technique:
All by wired connection between traditional playing audio/video and display equipment, this connection is not Ethernet
Interface, early to transmit analog signal by the interface of CVBS or VGA etc before this, distortion is larger, later with technology transfers such as HDMI
Digital signal, but always have cable connection, with increasing for domestic consumer audio-visual devices, the cable of family is more and more, wiring
Very inconvenient, also very unsightly, more unreliable, later HDMI tissue proposes radio HDMI standard, but does not up to the present have also
It realizes, a company, Israel utilizes analog radio frequency technology, and audio-video signal is directly modulated into radio wave, and display equipment connects
Re-demodulation after radio wave is received, because not using digital compression technology, causes bandwidth occupancy very big, power consumption is very big, it
High radiating antenna array be also unsuitable for household, certain this technology biggest advantage is signal delay very little.With chip
The progress of design and manufacturing technology, the compression & decompression of high-definition video signal can be completed within a few tens of milliseconds, this is passed to be wireless
Screen technology is laid a good foundation, it is wireless with screen device there have been.
Wireless same screen device is that one kind can pass through video, music or the picture in the equipment such as smart phone, tablet computer
Wireless signal is sent to the equipment such as high definition television, projector and shows, promotes a kind of electronic equipment of the family life experience of user.
In use, wireless generally use HDM interface to connect with display equipment (such as television set) with screen device, it is wireless one included with screen device
-- display -- Wireless Display is arranged in APP, mobile phone open mobile phone, searches the equipment, can be with screen in connection.With screen device mesh
In the preceding family for being widely used in people, work.
In the prior art wireless with device is shielded without HDMI conversion function, i.e. television set can only pass through HDMI data line connection machine
Top box, alternatively, television set can only be connected wirelessly by HDMI data line with screen device；When television set connects machine by HDMI data line
Top box is needed to show set-top box interface on a television set, but when wanting connection wirelessly with screen device to use with screen device by HDMI
Data line is disassembled with respect to set-top box, and HDMI data line is inserted on wireless same screen device, can just shown on a television set
With screen device content interface；When television set is connected by HDMI data line wirelessly with screen device, to show wireless same screen on a television set
Device content interface, but when wanting connection set-top box to use set-top box, it needs HDMI data line is relatively wireless with screen device disassembly
Get off, and HDMI data line is inserted on set-top box, just can show on a television set set-top box content interface；It operates
It is inconvenient, biggish puzzlement is caused to user.
In view of this, the present inventor proposes following technical scheme.
Utility model content:
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of same screen with HDMI conversion function
Device.
In order to solve the above-mentioned technical problem, the utility model uses following technical proposals: this has HDMI conversion function
Same screen device include with screen device main body, it is described with screen device main body on HDMI converter is set, the HDMI converter include at least one
A HDMI input interface, HDMI output interface, HDMI switch control unit, MCU unit and signal source switching key, the HDMI are defeated
Incoming interface, HDMI output interface and MCU unit are all connected with HDMI switch control unit, which connects the MCU
Unit, the HDMI input interface, HDMI output interface and signal source switching key are provided with this with screen device body outer surface.
Furthermore, in above-mentioned technical proposal, the HDMI switch control unit includes HDMI switch chip, should
The model LT8631UX of HDMI switch chip.
Furthermore, in above-mentioned technical proposal, it is arranged between the HDMI input interface and HDMI switch control unit
There is the first electrostatic protector.
Furthermore, in above-mentioned technical proposal, it is arranged between the HDMI output interface and HDMI switch control unit
There is the second electrostatic protector.
Furthermore, in above-mentioned technical proposal, the MCU unit includes MCU chip, described in MCU chip connection
HDMI switch control unit, the model STM8S003 or N76E003 of the MCU chip.
Furthermore, in above-mentioned technical proposal, the MCU unit further includes having secondary grade chip, the type of the pair grade chip
It number is SN8_2501B, the pair grade chip connection MCU chip and HDMI switch control unit.
Furthermore, in above-mentioned technical proposal, described to be additionally provided with IR module with screen device main body, which connects institute
State MCU unit.
Furthermore, in above-mentioned technical proposal, the same screen device main body further includes having main control unit and the main control unit
Wired network interface, PHY network module, power interface, storage unit and the wireless transmission unit of connection；The wired network
Network interface will receive network data transmission to main control unit by PHY network module, and pass through to the data of network transmission
Wireless transmission unit is transmitted data to after main control unit conversion, which connect with the HDMI switch control unit.
Furthermore, in above-mentioned technical proposal, the main control unit includes main control chip, the model of the main control chip
For RK3036.
Furthermore, in above-mentioned technical proposal, the DDR of storing data when the storage unit includes for program operation
Module and flash module for store code；The wireless transmission unit includes WiFi module and connects with the WiFi module
The antenna connect, the antenna are installed on this with screen device body outer surface.
After adopting the above technical scheme, the utility model have the following beneficial effects: compared with prior art it is practical
It is novel to have additional HDMI converter, and HDMI conversion function is realized by the HDMI converter, specifically, the HDMI such as set-top box
Connection equipment is connected to the HDMI input interface with screen device main body by HDMI data line, and connects with the HDMI output of screen device main body
Mouth is connect by HDMI data line with television set, can be switched in the following manner: 1, manual switching: be clicked signal source and cut
Key is changed, whether cooperation HDMI switch control unit control HDMI input interface is connected with HDMI output interface, when HDMI is inputted
When interface is connected with HDMI output interface, which is directly connected on television set, shows set-top box content on a television set
Interface；Signal source switching key is clicked again, and cooperation HDMI switch control unit control HDMI input interface connects with HDMI output
Mouth disconnects, which disconnects with television set, and makes to connect with screen device main body with television set, and the same screen of display on a television set
Device content interface.That is, the utility model can directly be pressed down in the case where not plugging HDMI data line with screen device master
Same screen device content interface and set-top box content interface on television set can be switched in signal source switching key on body；2, automatic
Switching: when without using with screen device, television set default display set-top box content interface, in order to more humane using with screen device content
With the free switching of set-top box content, regardless of in which signal path, i.e., regardless of HDMI input interface and HDMI output interface
Whether be connected, when using carrying out with screen device with screen, that is, the content with screen shown, when exiting with screen, it will automatic display machine top
The content of box.That is, television set default display set-top box content interface, is needing to launch using equipment such as mobile phone, plates
When (with screen) video or same screen share photos or document, it is only necessary to which, directly with screen broadcasting, the utility model device can automatically switch
To same screen device content interface, after sharing completion and exiting with screen, the utility model device can automatically exit from set-top box content
Interface, to achieve the purpose that automatic switchover, use it is extremely convenient, enable the utility model have the extremely strong market competitiveness.
Detailed description of the invention:
Fig. 1 is the perspective view of the utility model；
Fig. 2 is the perspective view at another visual angle of the utility model；
Fig. 3 is the block diagram of the utility model；
Fig. 4 is the perspective view one of HDMI converter in the utility model；
Fig. 5 is the perspective view two of HDMI converter in the utility model.
Specific embodiment:
The present invention will be further described with attached drawing combined with specific embodiments below.
It is a kind of same screen device with HDMI conversion function as shown in Fig. 1-5 comprising described same with screen device main body 100
Shield and HDMI converter 1 is set in device main body 100, which includes at least one HDMI input interface 11, HDMI output
Interface 12, HDMI switch control unit 13, MCU unit 14 and signal source switching key 15, the HDMI input interface 11, HDMI are defeated
Outgoing interface 12 and MCU unit 14 are all connected with HDMI switch control unit 13, which connects the MCU unit
14, the HDMI input interface 11, HDMI output interface 12 and signal source switching key 15 are provided with outside the same screen device main body 100
Surface.The utility model has additional HDMI converter 1, and realizes HDMI conversion function by the HDMI converter 1, it is specific and
Speech, the HDMI such as set-top box connection equipment are connected to the HDMI input interface 11 with screen device main body 100 by HDMI data line, and same
The HDMI output interface 12 of screen device main body 100 is connect by HDMI data line with television set, can be switched in the following manner:
1, manual switching: clicking signal source switching key 15, cooperation HDMI switch control unit 13 control HDMI input interface 11 with
Whether HDMI output interface 12 is connected, and when HDMI input interface 11 and the conducting of HDMI output interface 12, which directly connects
It is connected on television set, shows set-top box content interface on a television set；Signal source switching key 15 is clicked again, and cooperation HDMI is opened
It closing control unit 13 and controls HDMI input interface 11 and the disconnection of HDMI output interface 12, the set-top box and television set disconnect, and
Make to connect with screen device main body 100 with television set, and the same screen device content interface of display on a television set.That is, this is practical new
With the signal source switching key 15 in screen device main body 100, i.e., type can directly be pressed down in the case where not plugging HDMI data line
Same screen device content interface and set-top box content interface on changeable television set；2, automatically switch: when without using with screen device, electricity
Display set-top box content interface is defaulted depending on machine, uses the free switching with screen device content and set-top box content in order to more humane,
Regardless of in which signal path, i.e., regardless of whether HDMI input interface is connected with HDMI output interface, when using with shield device into
When row is with screen, that is, the content with screen is shown, when exiting with screen, it will the content of automatic display machine top box.That is, television set
Default display set-top box content interface is needing to launch (same to shield) video using equipment such as mobile phone, plates or with screen share photos
Or when document, it is only necessary to directly be played with screen, the utility model device can be automatically switched to screen device content interface, shared
At and exit with screen after, the utility model device can automatically exit from set-top box content interface, to achieve the purpose that automatic switchover,
Use it is extremely convenient, enable the utility model have the extremely strong market competitiveness.
The HDMI switch control unit 13 includes HDMI switch chip 131, the model of the HDMI switch chip 131
LT8631UX。
The first electrostatic protector 111 is provided between the HDMI input interface 11 and HDMI switch control unit 13, with
Reach electrostatic protection effect.The second electrostatic protection is provided between the HDMI output interface 12 and HDMI switch control unit 13
Device 121, to reach electrostatic protection effect.
The MCU unit 14 includes MCU chip 141, which connects the HDMI switch control unit 13,
The model STM8S003 or N76E003 of the MCU chip 141.The MCU unit 14 further includes having secondary grade chip 142, the pair
The model SN8_2501B of grade chip 142, the pair grade chip 142 connect the MCU chip 141 and HDMI switch control unit
13。
Described to be additionally provided with IR module 16 with screen device main body 100, which connects the MCU unit 14.
It is described with screen device main body 100 further include have main control unit 2, the wired network interface 3 being connect with the main control unit 2,
PHY network module 4, power interface 5, storage unit 6 and wireless transmission unit 7；The main control unit 2 and HDMI switch are controlled
Unit 13 processed connects.The wired network interface 3 receives the data of network transmission, will receive by PHY network module 4
Network data transmission transmits data to wireless transmission unit 7 to main control unit 2, and after the conversion of main control unit 2, and by the nothing
Line transmission unit 7 emits wireless signal, after the wired network interface 3 of same screen device main body 100 plugs cable, wireless transmission unit
7 transmitting wireless signals are Internet enabled, are equivalent to a wireless router.
The wired network interface 3 uses RJ45 interface.
The main control unit 2 includes main control chip 21, the model RK3036 of the main control chip 21.
The storage unit 6 include for program operation when storing data DDR module 61 and for store code
Flash module 62；The wireless transmission unit 7 includes WiFi module 71 and the antenna 72 that connect with the WiFi module 71, should
Antenna 72 is installed on this with screen 100 outer surface of device main body.The WiFi module 71 can be launched WiFi signal by antenna 72,
After same screen device main body plugs cable, the WiFi signal that WiFi module 71 issues is Internet enabled, is equivalent to one without route
By device, use extremely convenient.
In conclusion the utility model has additional HDMI converter 1, and HDMI conversion is realized by the HDMI converter 1
Function, specifically, the HDMI such as set-top box connection equipment is connected to the HDMI input with screen device main body 100 by HDMI data line
Interface 11, and connect by HDMI data line with television set with the HDMI output interface 12 of screen device main body 100, it can be by with lower section
Formula switches over: 1, manual switching: clicking signal source switching key 15, it is defeated that cooperation HDMI switch control unit 13 controls HDMI
Whether incoming interface 11 is connected with HDMI output interface 12, when HDMI input interface 11 and the conducting of HDMI output interface 12, the machine
Top box is directly connected on television set, shows set-top box content interface on a television set；Signal source switching key 15 is clicked again,
Cooperate HDMI switch control unit 13 to control HDMI input interface 11 and HDMI output interface 12 disconnects, the set-top box and television set
In disconnection, and make to connect with screen device main body 100 with television set, and the same screen device content interface of display on a television set.That is,
The utility model can directly be pressed down in the case where not plugging HDMI data line with the signal source switching in screen device main body 100
Same screen device content interface and set-top box content interface on television set can be switched in key 15；2, automatically switch: without using same
When shielding device, television set default display set-top box content interface, in order to more humane using with screen device content and set-top box content
Free switching, regardless of in which signal path, i.e., regardless of whether HDMI input interface is connected with HDMI output interface, working as use
When carrying out with screen device with screen, that is, the content with screen is shown, when exiting with screen, it will the content of automatic display machine top box.Namely
It says, television set default display set-top box content interface, is needing to launch (same to shield) video using equipment such as mobile phone, plates or with screen
When share photos or document, it is only necessary to directly played with screen, the utility model device can be automatically switched to screen device content interface,
After sharing completion and exiting with screen, the utility model device can automatically exit from set-top box content interface, be cut automatically with reaching
The purpose changed, use it is extremely convenient, enable the utility model have the extremely strong market competitiveness.
It certainly, is not to limit the utility model and implement the foregoing is merely specific embodiment of the utility model
Range, all equivalent change or modifications done according to structure, feature and principle described in present utility model application the scope of the patents, should all wrap
It includes in present utility model application the scope of the patents.
Claims (10)
1. a kind of same screen device with HDMI conversion function comprising with screen device main body (100), it is characterised in that: described with screen
In device main body (100) be arranged HDMI converter (1), the HDMI converter (1) include at least one HDMI input interface (11),
HDMI output interface (12), HDMI switch control unit (13), MCU unit (14) and signal source switching key (15), the HDMI
Input interface (11), HDMI output interface (12) and MCU unit (14) are all connected with HDMI switch control unit (13), the signal source
Switching key (15) connects the MCU unit (14), the HDMI input interface (11), HDMI output interface (12) and signal source switching
Key (15) is provided with this with screen device main body (100) outer surface.
2. a kind of same screen device with HDMI conversion function according to claim 1, it is characterised in that: the HDMI switch
Control unit (13) includes HDMI switch chip (131), the model LT8631UX of the HDMI switch chip (131).
3. a kind of same screen device with HDMI conversion function according to claim 1, it is characterised in that: the HDMI input
The first electrostatic protector (111) are provided between interface (11) and HDMI switch control unit (13).
4. a kind of same screen device with HDMI conversion function according to claim 1, it is characterised in that: the HDMI output
The second electrostatic protector (121) are provided between interface (12) and HDMI switch control unit (13).
5. a kind of same screen device with HDMI conversion function according to claim 1, it is characterised in that: the MCU unit
It (14) include MCU chip (141), which connects the HDMI switch control unit (13), the MCU chip
(141) model STM8S003 or N76E003.
6. a kind of same screen device with HDMI conversion function according to claim 5, it is characterised in that: the MCU unit
It (14) further include having secondary grade chip (142), the model SN8_2501B of the pair grade chip (142), the pair grade chip (142) is even
Connect the MCU chip (141) and HDMI switch control unit (13).
7. a kind of same screen device with HDMI conversion function described in -6 any one according to claim 1, it is characterised in that: institute
It states and is additionally provided with IR module (16) with screen device main body (100), which connects the MCU unit (14).
8. a kind of same screen device with HDMI conversion function described in -6 any one according to claim 1, it is characterised in that: institute
Stating with screen device main body (100) further includes wired network interface (3), the PHY for having main control unit (2), connecting with the main control unit (2)
Network module (4), power interface (5), storage unit (6) and wireless transmission unit (7)；The wired network interface (3)
The data for receiving network transmission will receive network data transmission to main control unit (2) by PHY network module (4), and pass through
Wireless transmission unit (7) are transmitted data to after main control unit (2) conversion, the main control unit (2) and the HDMI switch control
Unit (13) connection.
9. a kind of same screen device with HDMI conversion function according to claim 8, it is characterised in that: the main control unit
It (2) include main control chip (21), the model RK3036 of the main control chip (21).
10. a kind of same screen device with HDMI conversion function according to claim 8, it is characterised in that: the storage is single
The DDR module (61) of storing data and for the flash module (62) of store code when first (6) include for program operation；Institute
State the antenna (72) that wireless transmission unit (7) includes WiFi module (71) and connect with the WiFi module (71), the antenna
(72) this is installed on screen device main body (100) outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920788564.4U CN209593648U (en) | 2019-05-28 | 2019-05-28 | A kind of same screen device with HDMI conversion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920788564.4U CN209593648U (en) | 2019-05-28 | 2019-05-28 | A kind of same screen device with HDMI conversion function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209593648U true CN209593648U (en) | 2019-11-05 |
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ID=68345595
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920788564.4U Active CN209593648U (en) | 2019-05-28 | 2019-05-28 | A kind of same screen device with HDMI conversion function |
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| Country | Link |
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| CN (1) | CN209593648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110958406A (en) * | 2019-11-25 | 2020-04-03 | 上海邸客网络科技有限公司 | Smart television box with infrared signal and HDMI signal switching control module |
-
2019
- 2019-05-28 CN CN201920788564.4U patent/CN209593648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110958406A (en) * | 2019-11-25 | 2020-04-03 | 上海邸客网络科技有限公司 | Smart television box with infrared signal and HDMI signal switching control module |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220408 Address after: 523000 Room 302, No. 13, Banshi Wuwu Road, Changping Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN WUXIAO INTELLIGENT SCIENCE & TECHNOLOGY CO.,LTD. Address before: 523000 No.1 Wuwu Road, Banshi Wuwu village, Changping Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN KANGMAO ELECTRONICS Co.,Ltd. |