CN208207667U - A kind of all-in-one machine that the display can be used as other computers uses - Google Patents
A kind of all-in-one machine that the display can be used as other computers uses Download PDFInfo
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- CN208207667U CN208207667U CN201820948137.3U CN201820948137U CN208207667U CN 208207667 U CN208207667 U CN 208207667U CN 201820948137 U CN201820948137 U CN 201820948137U CN 208207667 U CN208207667 U CN 208207667U
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Abstract
In particular to a kind of all-in-one machine that the display that can be used as other computers uses of the utility model.The all-in-one machine that the display that can be used as other computers uses, including VGA switching circuit, osd circuit, video card and CPU, all-in-one machine display and external USB interface, osd circuit are also connected with OSD keypad；VGA switching circuit is multiplexed the same VGA connector, both can receive externally input vision signal, and can also externally export the vision signal of integration machine mainboard；When VGA switching circuit uses output mode, dual display function can be realized；When VGA switching circuit uses input pattern, use of the all-in-one machine display as other computer monitors can be realized.The all-in-one machine that the display that can be used as other computers uses, on the basis of not influencing all-in-one machine original function, it is added to and can be used as the characteristic that regular display uses, it can be used as the expanded scope of other computers such as laptop, desktop computer, it is convenient to use, has good value for applications.
Description
Technical field
The utility model relates to field of computer technology, in particular to what a kind of display that can be used as other computers used
All-in-one machine.
Background technique
With the development of computer technology, computer application form is also varied.The electricity of all-in-one machine form in recent years
Brain is clean and tidy with its appearance, the advantages that occupying little space occupation rate of market it is increasing.Integrated computer is by host computer and to show
Show the product that device is combined, eliminates the connection cables between host and display.But this design lacks in use
Weary flexibility, common integrated computer, video interface can only export the signal of internal host on the market, all-in-one machine cannot be worked as
Make external-connection displayer use；Or video interface only supports input external signal, although this design can be all-in-one machine as outer
Display use is connect, but sacrifices dual display function.
Based on the above situation, the utility model devises a kind of all-in-one machine that the display that can be used as other computers uses.
It is directed on the basis of not influencing integrated computer double screen extension function, increases the function of connection external video signal input.
Summary of the invention
In order to make up for the defects of the prior art, the utility model provides it is a kind of be simple and efficient can be used as other computers
The all-in-one machine that display uses.
The utility model is achieved by the following technical solution:
A kind of all-in-one machine that the display can be used as other computers uses, it is characterised in that: including integration machine mainboard, one
Machine display and external USB interface, the external USB interface are connected to all-in-one machine display by integration machine mainboard, and described one
Body mainboard includes VGA switching circuit, OSD(on-screen display) circuit, video card and CPU, the CPU passes through video card
It is connected to osd circuit and VGA switching circuit, the osd circuit is also connected with OSD(on-screen display) keypad, institute
It states external USB interface and is connected to VGA switching circuit, VGA switching circuit is connected to all-in-one machine display by osd circuit；It is described
VGA switching circuit is multiplexed the same VGA connector, both can receive externally input vision signal, and can also export all-in-one machine
The vision signal of mainboard；
When the VGA switching circuit uses output mode, integration machine mainboard vision signal can not only be transported to all-in-one machine
Display, moreover it is possible to external equipment is output to by external USB interface, realize shuangping san；
When the VGA switching circuit uses input pattern, external input vision signal can be transported to all-in-one machine display,
Realize use of the all-in-one machine display as other computer monitors；Integration machine mainboard still can keep open state at this time,
Running background program, and all-in-one machine display can be realized to integration machine mainboard vision signal and outer by OSD keypad at any time
The display of portion's incoming video signal switches.
The video card passes through HDMI(High-Definition Multimedia Interface) it is signally attached to OSD electricity
Road is signally attached to VGA switching circuit by VGA；The VGA switching circuit is signally attached to osd circuit by VGA；Simultaneously
Control signal is also connected between osd circuit and VGA switching circuit, osd circuit passes through LVDS(Low-Voltage
Differential Signaling) it is signally attached to all-in-one machine display.
The osd circuit supports VGA signal, the input of HDMI signal and the output of LVDS signal, using chip microcontroller one
The switching of mainboard vision signal and external VGA signal.
The VGA switching circuit uses high-speed cmos (Complementary Metal Oxide Semiconductor)
Analog switch realizes the switching to VGA signal, is realized using common simulation switch to DDC(Display Data Channel) letter
Number switching.
The VGA switching circuit is powered using 5V, is included that diode counnter attack fills circuit in 5V power supply circuit, is prevented external
5V power supply anti-filling problem occurs when VGA signal inputs.
The beneficial effects of the utility model are: the all-in-one machine that the display that can be used as other computers uses, is not influencing
On the basis of all-in-one machine original function, be added to and can be used as the characteristic that regular display uses, can be used as laptop,
The expanded scope of other computers such as desktop computer, is convenient to use, and has good value for applications.
Detailed description of the invention
Attached drawing 1 is that the utility model can be used as the all-in-one machine structure schematic diagram that the display of other computers uses.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Under in conjunction with the accompanying drawings and embodiments, the utility model is described in detail.It should be noted that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
The all-in-one machine that the display that can be used as other computers uses, including integration machine mainboard, all-in-one machine display and right
Outer USB interface, the external USB interface are connected to all-in-one machine display by integration machine mainboard, and the integration machine mainboard includes
VGA switching circuit, OSD(on-screen display) circuit, video card and CPU, the CPU is connected to osd circuit by video card
With VGA switching circuit, the osd circuit is also connected with OSD(on-screen display) keypad, the external USB interface
It is connected to VGA switching circuit, VGA switching circuit is connected to all-in-one machine display by osd circuit；The VGA switching circuit is multiple
With the same VGA connector, externally input vision signal both can receive, can also export the video letter of integration machine mainboard
Number；
When the VGA switching circuit uses output mode, integration machine mainboard vision signal can not only be transported to all-in-one machine
Display, moreover it is possible to external equipment is output to by external USB interface, realize shuangping san；
When the VGA switching circuit uses input pattern, external input vision signal can be transported to all-in-one machine display,
Realize use of the all-in-one machine display as other computer monitors；Integration machine mainboard still can keep open state at this time,
Running background program, and all-in-one machine display can be realized to integration machine mainboard vision signal and outer by OSD keypad at any time
The display of portion's incoming video signal switches.
The video card passes through HDMI(High-Definition Multimedia Interface) it is signally attached to OSD electricity
Road is signally attached to VGA switching circuit by VGA；The VGA switching circuit is signally attached to osd circuit by VGA；Simultaneously
Control signal is also connected between osd circuit and VGA switching circuit, osd circuit passes through LVDS(Low-Voltage
Differential Signaling) it is signally attached to all-in-one machine display.
The osd circuit supports VGA signal, the input of HDMI signal and the output of LVDS signal, using chip microcontroller one
The switching of mainboard vision signal and external VGA signal.
The VGA switching circuit realizes the switching to VGA signal using high-speed cmos analog switch, is opened using common simulation
Close and realize to DDC(Display Data Channel) switching of signal.
The VGA switching circuit is powered using 5V, is included that diode counnter attack fills circuit in 5V power supply circuit, is prevented external
5V power supply anti-filling problem occurs when VGA signal inputs.
Claims (5)
1. a kind of all-in-one machine that the display that can be used as other computers uses, it is characterised in that: including integration machine mainboard, all-in-one machine
Display and external USB interface, the external USB interface are connected to all-in-one machine display, the one by integration machine mainboard
Mainboard includes VGA switching circuit, osd circuit, video card and CPU, and the CPU is connected to osd circuit by video card and VGA switches
Circuit, the osd circuit are also connected with OSD keypad, and the external USB interface is connected to VGA switching circuit, VGA switching electricity
Road is connected to all-in-one machine display by osd circuit；The VGA switching circuit is multiplexed the same VGA connector, both can receive
Externally input vision signal can also export the vision signal of integration machine mainboard；
When the VGA switching circuit uses output mode, integration machine mainboard vision signal can not only be transported to all-in-one machine and show
Device, moreover it is possible to external equipment is output to by external USB interface, realize shuangping san；
When the VGA switching circuit uses input pattern, external input vision signal can be transported to all-in-one machine display, realize
Use of the all-in-one machine display as other computer monitors；Integration machine mainboard still can keep open state at this time, backstage
Program is run, and can realize that all-in-one machine display is defeated to integration machine mainboard vision signal and outside by OSD keypad at any time
Enter the display switching of vision signal.
2. the all-in-one machine that the display according to claim 1 that can be used as other computers uses, it is characterised in that: described aobvious
Card passes through HDMI(High-Definition Multimedia Interface) it is signally attached to osd circuit, pass through VGA signal
It is connected to VGA switching circuit；The VGA switching circuit is signally attached to osd circuit by VGA；Osd circuit is cut with VGA simultaneously
It changes between circuit and is also connected with control signal, osd circuit passes through LVDS(Low-Voltage Differential
Signaling) it is signally attached to all-in-one machine display.
3. the all-in-one machine that the display according to claim 1 or 2 that can be used as other computers uses, it is characterised in that: institute
It states osd circuit and supports VGA signal, the input of HDMI signal and the output of LVDS signal, using chip microcontroller integration machine mainboard video
The switching of signal and external VGA signal.
4. the all-in-one machine that the display according to claim 1 or 2 that can be used as other computers uses, it is characterised in that: institute
Switching of the VGA switching circuit using the realization of high-speed cmos analog switch to VGA signal is stated, using common simulation switch realization pair
DDC(Display Data Channel) signal switching.
5. the all-in-one machine that the display according to claim 4 that can be used as other computers uses, it is characterised in that: described
VGA switching circuit is powered using 5V, includes that diode counnter attack fills circuit in 5V power supply circuit, when preventing external VGA signal from inputting
The anti-filling problem of 5V power supply occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820948137.3U CN208207667U (en) | 2018-06-20 | 2018-06-20 | A kind of all-in-one machine that the display can be used as other computers uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820948137.3U CN208207667U (en) | 2018-06-20 | 2018-06-20 | A kind of all-in-one machine that the display can be used as other computers uses |
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| Publication Number | Publication Date |
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| CN208207667U true CN208207667U (en) | 2018-12-07 |
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| CN201820948137.3U Active CN208207667U (en) | 2018-06-20 | 2018-06-20 | A kind of all-in-one machine that the display can be used as other computers uses |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130797A (en) * | 2020-09-22 | 2020-12-25 | 北京计算机技术及应用研究所 | Internal and external display switching circuit suitable for notebook computer |
| CN112346689A (en) * | 2020-10-29 | 2021-02-09 | 浪潮电子信息产业股份有限公司 | Integrated machine |
| CN112347016A (en) * | 2020-09-24 | 2021-02-09 | 天津市英贝特航天科技有限公司 | Dual-video input switching device and control method of tablet computer |
| CN112487508A (en) * | 2020-11-30 | 2021-03-12 | 超越科技股份有限公司 | Domestic secret all-in-one that is involved that possesses mode switching function |
| CN113590068A (en) * | 2021-08-02 | 2021-11-02 | 西安超越申泰信息科技有限公司 | All-in-one machine display switching method and device and all-in-one machine |
-
2018
- 2018-06-20 CN CN201820948137.3U patent/CN208207667U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130797A (en) * | 2020-09-22 | 2020-12-25 | 北京计算机技术及应用研究所 | Internal and external display switching circuit suitable for notebook computer |
| CN112130797B (en) * | 2020-09-22 | 2024-01-30 | 北京计算机技术及应用研究所 | Internal and external display switching circuit suitable for notebook |
| CN112347016A (en) * | 2020-09-24 | 2021-02-09 | 天津市英贝特航天科技有限公司 | Dual-video input switching device and control method of tablet computer |
| CN112346689A (en) * | 2020-10-29 | 2021-02-09 | 浪潮电子信息产业股份有限公司 | Integrated machine |
| CN112487508A (en) * | 2020-11-30 | 2021-03-12 | 超越科技股份有限公司 | Domestic secret all-in-one that is involved that possesses mode switching function |
| CN113590068A (en) * | 2021-08-02 | 2021-11-02 | 西安超越申泰信息科技有限公司 | All-in-one machine display switching method and device and all-in-one machine |
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