CN206516323U - A kind of signal generation apparatus - Google Patents
A kind of signal generation apparatus Download PDFInfo
- Publication number
- CN206516323U CN206516323U CN201621018750.2U CN201621018750U CN206516323U CN 206516323 U CN206516323 U CN 206516323U CN 201621018750 U CN201621018750 U CN 201621018750U CN 206516323 U CN206516323 U CN 206516323U
- Authority
- CN
- China
- Prior art keywords
- signal
- signal generation
- control
- control signal
- generation apparatus
- 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.)
- Active
Links
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
The utility model is related to a kind of signal generation apparatus, including：Signal memory cell, for storing display data information；Processing unit, for acquisition control signal, and sends control signals to signal generation unit；Wherein, control signal includes timing control signal and resolution-control signal；Signal generation unit, under control of the control signal, reading the display data information in signal memory cell, produces TTL signal；Signal conversion unit, for TTL signal to be converted into display signal, and passes through the external display device to be measured of signal connector.The signal generation apparatus that the utility model is provided can produce corresponding display signal under control of the control signal, and the input/output interface of signal is easy to use, and signal setting up procedure simple operation, cost is low, it can be widely applied to the debugging of display device, production and after-sales service, can be used for the debugging of other display terminals.
Description
Technical field
The utility model is related to field of liquid crystal display, more particularly to a kind of signal generation apparatus.
Background technology
With the development of Display Technique, the product of display class is increasingly popularized.Ground for research and development class enterprise in display board
During system, production class enterprise is during large-scale production ageing management, and in the maintenance process of product after sale, is required to
Display device is detected using the signal source of standard.What is generally used at present has：Reference signal generator, ordinary PC.
The characteristics of this kind equipment is expensive, and is unfavorable for the convenience that is moved during large-scale production.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of portable signal generation apparatus, is set for showing
Standby debugging, production and after-sales service.
For this purpose, the utility model proposes a kind of signal generation apparatus, including：Signal generation unit and the letter
Processing unit, signal memory cell and signal conversion unit that number generation unit is connected respectively, in addition to changed with the signal
The signal connector of unit connection；
The signal memory cell is used to store display data information；
The processing unit is used for acquisition control signal, and the control signal is sent to the signal generation unit；
Wherein, the control signal includes timing control signal and resolution-control signal
The signal generation unit is used under the control of said control signal, read aobvious in the signal memory cell
Show data message, produce transistor-transistor logic level TTL signal；
The signal conversion unit is used to the TTL signal being converted to display signal, and passes through the signal connector
External display device to be measured.
It is preferred that, the display signal includes digital video DVI signals or display drawing array VGA signals.
It is preferred that, the signal connector includes VGA connector and DVI connector.
It is preferred that, the device also includes：The control signal generation unit being connected with the processing unit, the control signal
Generation unit is used to produce the control signal and sent to the processing unit.
It is preferred that, the control signal generation unit includes button, and the button is used for the operation for receiving user, produces institute
State control signal.
It is preferred that, the control signal generation unit includes：Toggle switch and button, the toggle switch are used to set not
Same control model, the different control model includes multiple fixed control models and button control model；
The button is used under the button control model, receives the operation of user, produces the control signal.
It is preferred that, in addition to：The serial ports being connected with the processing unit, the serial ports is used for the control for receiving outside
Signal, and send to the processing unit.
It is preferred that, the device also includes electricity accumulating unit, and the electricity accumulating unit is used to power for the signal generation apparatus.
It is preferred that, the device also includes：Power supply interface, the power supply interface is used to be connected with external power supply, is the letter
Number generating means is powered.
A kind of signal generation apparatus that the utility model embodiment is provided, correspondence can be produced under control of the control signal
Display signal, and the input/output interface of signal is easy to use, and signal setting up procedure simple operation, and cost is low, can be with
The debugging of display device, production and after-sales service are widely used in, the debugging of other display terminals is can be used for.
Brief description of the drawings
Feature and advantage of the present utility model can be more clearly understood from by reference to accompanying drawing, accompanying drawing be it is schematical without
It is interpreted as carrying out any limitation to the utility model, in the accompanying drawings：
A kind of structural representation for signal generation apparatus that Fig. 1 provides for the utility model；
A kind of structural representation for signal generation apparatus that Fig. 2 provides for the utility model embodiment；
A kind of structural representation for signal generation apparatus that Fig. 3 provides for another embodiment of the utility model；
A kind of structural representation for signal generation apparatus that Fig. 4 provides for the another embodiment of the utility model.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
As shown in figure 1, the utility model provides a kind of signal generation apparatus, the device includes：Signal generation unit 12,
Processing unit 13, signal memory cell 11 and the signal conversion unit 14 being connected with the signal generation unit 12, in addition to
The signal connector 15 that the signal conversion unit 14 is connected；
Wherein, the signal memory cell 11 is used to store default display data；The processing unit 13, which is used to receive, to be controlled
Signal processed, and the control signal of reception is sent to the signal generation unit 12；The control signal includes timing control signal
And resolution-control signal；
The signal generation unit 12 is used under the control of said control signal, read in the signal memory cell 11
The display data of storage, and TTL (transistor-transistor logic level) signal is produced according to the control signal；
The signal conversion unit 14 is used to the TTL signal being converted to display signal, and passes through signal connector 15
External display device to be measured.
Specifically, the display signal can include DVI signals (digital video signal) or VGA signals (display drawing array
Signal).The signal generation unit 12 can be CPLD chips (PLD), and the processing unit 13 can be (micro- for MCU
Control unit), CPLD chips receive the timing control signal and resolution-control signal that MCU is sent, to realize that different images are believed
The switching of breath and the switching of different resolution, and the display data information stored in signal memory cell 11 is read, produce and control
The TTL signal of the corresponding TTL signal or user-defined format for meeting VESA (VESA) reference format of signal processed,
And send TTL signal to one end of signal conversion unit 14, the TTL signal is converted to standard by signal conversion unit 14
DVI signals or VGA signals, wherein, signal conversion unit 14 can be signal level conversion chip.DVI signals by conversion
Or VGA signals can be connected by signal connector 15 with outside display device to be measured.
On the basis of above-described embodiment, as shown in Fig. 2 the signal connector 15 can include VGA connector 152 or
DVI connector 151.The signal conversion unit 14 can include the first electrical level transferring chip 142 and second electrical level conversion chip
141, VGA connector 152 connects signal generation unit 12 by the first electrical level transferring chip 142, and DVI connector 151 passes through the
Two electrical level transferring chips 141 connection signal generation unit 12, TTL signal is converted to VGA signals by the first electrical level transferring chip 142
And be connected by VGA connector 152 with external display device to be measured, second electrical level conversion chip 141 then can be by TTL signal
Be converted to DVI signals and be connected by DVI connector 151 with external display device to be measured, realize that the performance of display device is surveyed
Examination.
Wherein, as shown in figure 3, the signal generation apparatus that the utility model embodiment is provided can also include：With the place
The control signal generation unit 16 that unit 13 is connected is managed, the control signal generation unit 16 is used to produce the control signal simultaneously
Send to the processing unit 13.Wherein, as shown in figure 4, the control signal generation unit 16 can include：Button 162, it is described
Button 162 is used for the operation for receiving user, produces the control signal.It should be noted that passing through the operating process of button 162
Different control signals can be formed, under the control of different control signals, then the TTL signal of user-defined format can be generated.
In other embodiments, the control signal generation unit 16 can also include toggle switch 161 and button 162,
The toggle switch 161 is used to set different control models, and the different control model includes multiple fixed control models
With button control model.
MCU receives the configuration information of toggle switch 161, and the configuration information is the control model set, can be multiple solid
The control model for the formula that fixes or the control model operated by button 162, be when toggle switch 161 sets control model
During fixed control model, MCU sends the control signal for setting picture format to be reference format to CPLD.CPLD is in the control signal
Control under read signal memory cell 11 in display data information, generate standard TTL signal.
When toggle switch is set under key control module, the button 162 is used for the operation for receiving user, generation pair
The control signal answered.Specifically, toggle switch 161 sets control model to be Yong Huke when being controlled by the operation of button 162
So that by hand button 162, MCU gathers the operating process and the setting of toggle switch 161 according to button 162, the control of generation
Signal, makes CPLD chips generate TTL signal corresponding with control signal, and realization is cut to image resolution ratio and different images information
Change.
On the basis of above-described embodiment, as shown in figure 4, the signal generation apparatus that the utility model is provided can also be wrapped
Include：The serial ports 17 being connected with the processing unit 13, the processing unit 13 receives the control sent by the serial ports 17
Signal processed.Specifically, control signal can not be generated by the operating process of button 162 or the setting of toggle switch 161, control
Signal processed can also receive the control signal of outside by serial ports 17, and send by the serial ports 17 that is connected with processing unit 13
To processing unit 13.
Wherein, as shown in figure 4, the signal generation apparatus can also include electricity accumulating unit 18, the electricity accumulating unit 18 is used for
Powered for the signal generation apparatus, specifically, the electricity accumulating unit 18 can include lithium ion battery connector, the lithium-ion electric
Pond connector is used to connect lithium ion battery, is that the unit in signal generation apparatus is powered.Further, the signal occurs
Device can also include：Power supply interface 19, the power supply interface 19 is used to be connected with external power supply, is the signal generation apparatus
Power supply.Specifically, the power supply interface 19 is power connector, can be signal by external power supply for external power supply
The unit of device is powered, and can also be the charging of above-mentioned lithium ion battery.Specifically, as shown in figure 4, the signal generation apparatus
Unit can be arranged on printed circuit board (pcb board), realize the connection between various units.
Finally it should be noted that if being related to computer program and corresponding method in the utility model embodiment
It is that the method for directly applying existing comparative maturity is realized, the improvement of the methods such as computer program is not related to.For example, signal
The data processing of generation unit can be by chip and programming realization, but the programming mode is the common knowledge of this area, no
As improvement of the present utility model, improvement of the present utility model is：Can using signal generation apparatus of the present utility model
To reduce cost, the portability used is improved.
In summary, the utility model embodiment provide a kind of signal generation apparatus, can control signal control
It is lower to produce corresponding display signal, and the input/output interface of signal is easy to use, and signal setting up procedure simple operation, into
This is low, can be widely applied to the debugging of display device, production and after-sales service, can be used for the debugging of other display terminals.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, the application can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the application can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is the flow with reference to method, equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.Term " on ", " under " etc. refers to
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore it is not intended that to limitation of the present utility model.Unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, it can understand above-mentioned as the case may be
Concrete meaning of the term in the utility model.
In specification of the present utility model, numerous specific details are set forth.Although it is understood that, it is of the present utility model
Embodiment can be put into practice in the case of these no details.In some instances, be not been shown in detail known method,
Structure and technology, so as not to obscure the understanding of this description.Similarly, it will be appreciated that disclosed to simplify the utility model
And help to understand one or more of each inventive aspect, in description above to exemplary embodiment of the present utility model
In, each feature of the present utility model is grouped together into single embodiment, figure or descriptions thereof sometimes.However, simultaneously
The method of the disclosure should not be explained and be intended in reflection is following：The utility model requirement i.e. claimed is than in each right
It is required that in the more features of feature that are expressly recited.More precisely, as the following claims reflect, inventive aspect
It is all features less than single embodiment disclosed above.Therefore, it then follows claims of embodiment are thus
The embodiment is expressly incorporated in, wherein each claim is in itself as separate embodiments of the present utility model.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (9)
1. a kind of signal generation apparatus, it is characterised in that including：Signal generation unit, connect respectively with the signal generation unit
Processing unit, signal memory cell and the signal conversion unit connect, in addition to the signal being connected with the signal conversion unit connect
Connect device；
The signal memory cell is used to store display data information；
The processing unit is used for acquisition control signal, and the control signal is sent to the signal generation unit；Wherein,
The control signal includes timing control signal and resolution-control signal；
The signal generation unit is used under the control of said control signal, read the display number in the signal memory cell
It is believed that breath, produces transistor-transistor logic level TTL signal；
The signal conversion unit is used to the TTL signal being converted to display signal, and external by the signal connector
Display device to be measured.
2. signal generation apparatus according to claim 1, it is characterised in that the display signal includes digital video DVI
Signal or display drawing array VGA signals.
3. signal generation apparatus according to claim 2, it is characterised in that the signal connector includes VGA connector
And DVI connector.
4. signal generation apparatus according to claim 1, it is characterised in that also include：It is connected with the processing unit
Control signal generation unit, the control signal generation unit is used to produce the control signal and sends single to the processing
Member.
5. signal generation apparatus according to claim 4, it is characterised in that the control signal generation unit includes pressing
Key, the button is used for the operation for receiving user, produces the control signal.
6. signal generation apparatus according to claim 4, it is characterised in that the control signal generation unit includes：Dial
Code switch and button, the toggle switch are used to set different control models, and the different control model includes multiple solid
Determine control model and button control model；
The button is used under the button control model, receives the operation of user, produces the control signal.
7. the signal generation apparatus according to any one of claim 1~6, it is characterised in that also include：It is single with the processing
The serial ports of member connection, the serial ports is used for the control signal for receiving outside, and sends to the processing unit.
8. signal generation apparatus according to claim 1, it is characterised in that also including electricity accumulating unit, the electricity accumulating unit
For being powered for the signal generation apparatus.
9. the signal generation apparatus according to claim 1 or 8, it is characterised in that also include：Power supply interface, the power supply
Interface is used to be connected with external power supply, is that the signal generation apparatus is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018750.2U CN206516323U (en) | 2016-08-30 | 2016-08-30 | A kind of signal generation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621018750.2U CN206516323U (en) | 2016-08-30 | 2016-08-30 | A kind of signal generation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516323U true CN206516323U (en) | 2017-09-22 |
Family
ID=59861008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621018750.2U Active CN206516323U (en) | 2016-08-30 | 2016-08-30 | A kind of signal generation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206516323U (en) |
-
2016
- 2016-08-30 CN CN201621018750.2U patent/CN206516323U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102004219B (en) | Infrared focal plane array detector simulation device and method | |
| CN101770089B (en) | Liquid crystal display module tester | |
| CN201698606U (en) | Point reading machine | |
| CN103200423A (en) | Delayed detection device of video picture processing system | |
| CN211349341U (en) | Signal switching device and electronic equipment | |
| CN210719207U (en) | Test system of inertial navigation equipment | |
| CN206516323U (en) | A kind of signal generation apparatus | |
| CN105141947A (en) | Pressure testing device and method thereof | |
| CN206649501U (en) | A kind of computer software testing device | |
| CN203761452U (en) | Cell phone platform test applied engine system | |
| CN105046934A (en) | Equipment able to realize data communication with seafloor heat flow measurement unit and communication method | |
| CN208093123U (en) | A kind of display driver circuit and display device | |
| CN202230162U (en) | Power-on and power-off testing equipment for continuously turning on and turning off electronic equipment | |
| CN207008599U (en) | A kind of server master board test board | |
| CN206620147U (en) | Control gateway for laboratory | |
| CN110018655A (en) | A kind of arc of lighting machine control system | |
| CN203276525U (en) | Embedded test system convenient for near-field data transmission | |
| CN203746391U (en) | LCM testing device based on virtual instrument | |
| CN202679350U (en) | Onboard ultrashort wave radio station simulation training device | |
| CN201936523U (en) | Electronic simulative multi-purpose electric energy meter and meter reading training device | |
| CN202351157U (en) | Multifunctional cell differential counting instrument | |
| CN100399668C (en) | Intelligent battery simulating device | |
| CN216979753U (en) | Portable general test platform based on USB bus | |
| CN108009094A (en) | A kind of computer software testing system | |
| CN104122820A (en) | Sensor interface chip and sensor signal detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180327 Address after: Branch of Beijing economic and Technological Development Zone of Beijing City thirteen street 100176 No. 12 Building No. 6 hospital Patentee after: Beijing De Wei Technology Co., Ltd. Address before: 100176 Beijing City, Daxing District branch of Beijing economic and Technological Development Zone, thirteen street, 12 Hospital No. 4 Building 3 layer Patentee before: Dewei Display Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |