CN201967063U - Automated audio video display switching equipment - Google Patents
Automated audio video display switching equipment Download PDFInfo
- Publication number
- CN201967063U CN201967063U CN2011200027858U CN201120002785U CN201967063U CN 201967063 U CN201967063 U CN 201967063U CN 2011200027858 U CN2011200027858 U CN 2011200027858U CN 201120002785 U CN201120002785 U CN 201120002785U CN 201967063 U CN201967063 U CN 201967063U
- Authority
- CN
- China
- Prior art keywords
- video
- audio frequency
- module
- relay
- audio video
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The utility model discloses an automated audio video display switching equipment comprising a relay matrix module, a control module and a first display module, wherein the relay matrix module comprises a control signal input port, an audio video output port, a plurality of audio video input ports and a plurality of relays, wherein the audio video input ports can receive external audio video signals; the relays are correspondingly connected with the audio video input ports; the control signal input port receives input signals from the control module and controls the on-off of the relays; at the same time, no more than one relay is in the pull-in state; and when the relay is in the pull-in state, audio video signals which are input from the audio video input port corresponding to the relay can be transmitted to the audio video output port and displayed on the first display module connected with the audio video output port. The equipment can be connected with a plurality of external audio video signal sources and switch the display on one display equipment without repeated on-offs of the connecting wires.
Description
Technical field
The utility model relates to electronic device field, relates in particular to a kind of automation audio frequency and video and shows switching device.
Background technology
The batch testing project is the test event that each new product must carry out, in the batch testing process, need many products are carried out for a long time operation continuously simultaneously, often reach two weeks even two months running time, in the process of batch testing, need regularly observe the ruuning situation of every tested product.Generally be to adopt the mode of manually checking in the past, at regular intervals, the audio-video interface of test products is connected to the video input port of a television set by the video connecting line, after a test product test is passed through, reconnect next test product again, repeat the switch test process.Cause efficient very low like this.And need two people operate simultaneously sometimes, a people plugs the audio frequency and video line, and a people observes video before television set.The audio frequency and video connecting line causes the joint loose contact easily by so repeatedly plug simultaneously, audio frequency and video line loss evil idea or the like problem.Simultaneously a lot of audio frequency and video line La Laila go, and have potential safety hazard.
Same problem also exists at production line, and the strike-machine ageing process is the testing procedure that must carry out before every batch of product export of producing in batches.Test process in the past is as above-mentioned.There is similar problem equally.
The utility model content
The technical problem that the utility model mainly solves provides a kind of automation audio frequency and video and shows switching device, have a plurality of audio frequency and video input ports that receive outside audio-video signal, the audio-video interface that can once connect many tested products, automatically on display, switch audio frequency and video by port switching, do not need repeatedly plug connecting line, raise the efficiency.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide a kind of automation audio frequency and video to show switching device, it is characterized in that, comprise the relay matrix module, the control module and first display module, described relay matrix module has the signal input end mouth, the audio frequency and video output port, a plurality of audio frequency and video input port and relays a plurality of and that the audio frequency and video input port connects one to one that receive outside audio-video signal, break-make by the described a plurality of relays of signal controlling of described signal input end mouth input, in the wherein same time at the most a relay be in attracting state, and when the relay adhesive, the audio-video signal of importing from the audio frequency and video input port corresponding with this relay can transfer to described audio frequency and video output port; Described control module has the input port that receives external command and controls first output port of described relay matrix module repeat circuit break-make according to this external command, and described first output port connects the signal input end mouth of described relay matrix module; The audio frequency and video output port of described first display module and described relay matrix module is connected, and receives from the audio-video signal and the demonstration of the audio frequency and video output port output of described relay matrix module.
Wherein, described control module is a single-chip microcomputer.
Wherein, described automation audio frequency and video show that switching device also comprises the LED display module of being made up of LED light, are used to indicate the source of the audio-video signal of current first display module demonstration; Described control module also comprises the LED control interface, is used for the LED light input signal to described LED display module.
Wherein, the input port of described control module comprises key-press input unit.
Wherein, the input port of described control module also comprises infrared input unit.
Wherein, the input port of described control module also comprises PC serial ports unit.
The beneficial effects of the utility model are: when the product lot quantity that is different from prior art is tested for a long time, need manually pull out and connect the audio frequency and video connecting line on display device, to show the audio frequency and video situation of different product, the utility model is behind the audio-video interface that once connects all products, by button or remote controller or computer control, the audio frequency and video situation of changeable all products of demonstration on a display device, before finishing, test need not rewiring, reduce the single patrol time of checking all product audio frequency and video situations, and reduced working strength.In the utility model, the audio frequency and video source that a LED display module shows current demonstration can also be set, can intuitively reflect the equipment of current demonstration and the corresponding relation between its numbering, conveniently product is followed the trail of.
Description of drawings
Fig. 1 is the system block diagram that the utility model automation audio frequency and video show switching device;
Fig. 2 is the implementation process of an application example of the present utility model.
Embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
See also Fig. 1 and Fig. 2, the utility model provides a kind of automation audio frequency and video to show switching device, comprise relay matrix module 1, control module 2 and first display module 3, wherein relay matrix module 1 has signal input end mouth 11, audio frequency and video output port 14, a plurality of audio frequency and video input port 12 and relay 13 a plurality of and that the audio frequency and video input port connects one to one, control module 2 has input port 21 and first output port, 22, the first output ports 22 are connected with the signal input end mouth 11 of relay matrix module 1.
A plurality of audio-video signal generation devices connect the audio frequency and video input port 12 of relay matrix module 1 respectively, control module 2 receives the instruction of artificial input from input port 21, and the signal of control relay 13 break-makes is transferred to the signal input end mouth 11 of relay matrix module 1 according to this instruction from first output port 22, described a plurality of relay 13 adhesives of signal controlling or disconnection by described signal input end mouth 11 inputs, at one time, there is a relay to be in attracting state at the most, and when relay 13 adhesives, can transfer to described audio frequency and video output port 14 from the audio-video signal of audio frequency and video input port 12 inputs corresponding with this relay 13, first display module 3 connects the audio frequency and video output port 14 of relay matrix module 1, shows from the audio-video signal of these audio frequency and video output port 14 outputs.
Described audio frequency and video input port 12 for example can be bnc interface, RCA interface, DVI interface etc.; First display module 3 for example can be television set, LCD etc.
These automation audio frequency and video show when switching device is used to test, the audio-video interface of a plurality of test products can be connected on the audio frequency and video input port one by one by connecting line, control module 2 receives the break-make of a plurality of relays 13 in the artificial input instruction control relay matrix module 1, have only a relay to be in attracting state at one time at most, when the relay that is in attracting state changes, audio frequency and video output port 14 and different audio frequency and video input port 12 connections, the video council respective change that on first display device 3, shows, the audio-video interface situation that promptly on first display device 3, can check different test products by artificial input instruction.
In one embodiment, control module 2 is a single-chip microcomputer.
In one embodiment, also comprise the LED display module of forming by LED light 4, be used to indicate the source of the audio-video signal that current first display module shows; Described control module 2 also comprises LED control port 23, is used for the LED light input signal to described LED display module 4.For example be a plurality of audio frequency and video generation device numberings of the audio frequency and video input port 12 of cut-in relay matrix module 1, when the audio-video signal of certain device is communicated to when showing on first display module 3, control module 2 is sent indication according to the numbering of this device to LED display module 4, and LED display module 4 shows the numbering of this device.The corresponding relation that can reflect current display video and its generation device so intuitively.For test, can will every the test product numbering, on first display module 3 during display video, show on the LED display module 4 that corresponding test product numbers, video occurring when unusual, can review faulty item well.
In one embodiment, the input port 21 of control module 2 comprises key-press input unit.
In one embodiment, the input port 21 of control module 2 comprises infrared input unit.Control module can be by carrying out remote control with this infrared function corresponding remote controller.
In one embodiment, the input port 21 of control module 2 comprises PC serial ports unit, computer is connected by PC serial ports unit with control module, by computer to the control module input instruction.
As shown in Figure 2, when the utility model was applied to the long-term test of new product batch, its implementation process was specially:
S01: the audio-video interface of all test products is inserted the audio frequency and video input port that the automation audio frequency and video show switching device by connecting line;
S02: all test products operation that powers on;
S03: select the test product numbering that to check by button or remote controller or computer;
S04: on first display device, check the audio frequency and video situation;
S05: select other test products that will check numberings to finish until test by button or remote controller or computer.
After having adopted the automation audio frequency and video to show switching device, the tester is after once connecting all test products, before finishing, long-term test need not plug connecting line again, only need switch the product situation of checking of staying by button or remote controller or computer in observation ward, check that on display device the audio frequency and video situation gets final product, the single inspection process of batch testing was kept to 3 minutes by more than 30 minutes, and the testing efficiency height has also reduced working strength.Because automation audio frequency and video of the present utility model show switching device the audio frequency and video source that a LED display module shows current demonstration can also be set, and can intuitively reflect the equipment of current demonstration and the corresponding relation between its numbering, conveniently product are followed the trail of.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (6)
1. automation audio frequency and video show switching device, it is characterized in that, comprise relay matrix module, control module and first display module,
Described relay matrix module has signal input end mouth, audio frequency and video output port, a plurality of audio frequency and video input port and relay a plurality of and that the audio frequency and video input port connects one to one that receives outside audio-video signal, break-make by the described a plurality of relays of signal controlling of described signal input end mouth input, in the wherein same time at the most a relay be in attracting state, and when the relay adhesive, the audio-video signal of importing from the audio frequency and video input port corresponding with this relay can transfer to described audio frequency and video output port;
Described control module has the input port that receives external command and controls first output port of described relay matrix module repeat circuit break-make according to this external command, and described first output port connects the signal input end mouth of described relay matrix module;
The audio frequency and video output port of described first display module and described relay matrix module is connected, and receives from the audio-video signal and the demonstration of the audio frequency and video output port output of described relay matrix module.
2. automation audio frequency and video according to claim 1 show switching device, and it is characterized in that: described control module is a single-chip microcomputer.
3. automation audio frequency and video according to claim 1 and 2 show switching device, it is characterized in that: also comprise the LED display module of being made up of LED light, be used to indicate the source of the audio-video signal of current first display module demonstration; Described control module also comprises the LED control interface, is used for the LED light input signal to described LED display module.
4. automation audio frequency and video according to claim 3 show switching device, and it is characterized in that: the input port of described control module comprises key-press input unit.
5. automation audio frequency and video according to claim 4 show switching device, and it is characterized in that: the input port of described control module also comprises infrared input unit.
6. automation audio frequency and video according to claim 4 show switching device, and it is characterized in that: the input port of described control module also comprises PC serial ports unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200027858U CN201967063U (en) | 2011-01-06 | 2011-01-06 | Automated audio video display switching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200027858U CN201967063U (en) | 2011-01-06 | 2011-01-06 | Automated audio video display switching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201967063U true CN201967063U (en) | 2011-09-07 |
Family
ID=44529615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200027858U Expired - Lifetime CN201967063U (en) | 2011-01-06 | 2011-01-06 | Automated audio video display switching equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201967063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918041A (en) * | 2015-05-30 | 2015-09-16 | 歌尔声学股份有限公司 | PC and television set serial communication device used for production line |
-
2011
- 2011-01-06 CN CN2011200027858U patent/CN201967063U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104918041A (en) * | 2015-05-30 | 2015-09-16 | 歌尔声学股份有限公司 | PC and television set serial communication device used for production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203950531U (en) | Card extender | |
| CN204044202U (en) | A kind of power failure changes the Apparatus and system of electric energy meter | |
| CN103116102B (en) | Intelligent power failure method of testing and system | |
| CN204086504U (en) | Power supply product measurement jig | |
| CN201967063U (en) | Automated audio video display switching equipment | |
| CN101820314B (en) | Single-line bidirectional communication optical coupling isolation circuit | |
| CN203313298U (en) | Signal switching apparatus | |
| CN202473121U (en) | LED display screen and connection device used in LED display screen | |
| CN207968500U (en) | 101 passageway remote self-loopa testing arrangement | |
| CN202758347U (en) | Controller of re-identifying universal serial bus (USB) device | |
| CN202261584U (en) | Flat-panel television display screen compatible device | |
| CN103391405A (en) | Signal switching device and electronic device with signal switching device | |
| CN204405758U (en) | The debug system of wave filter | |
| CN203380119U (en) | Manual classifier for defective | |
| CN202886491U (en) | A one-button automatic control detecting system of a multi-voltage liquid crystal display module | |
| CN215067852U (en) | Input/output communication module detection system | |
| CN204965074U (en) | CPU module of DDC intelligence hardware | |
| CN103838693A (en) | Data transmission device and mobile terminal | |
| CN102901935A (en) | Method for monitoring working condition of intelligent sequential power supplies and device thereof | |
| CN110890902B (en) | PLC equipment testing system and method | |
| CN204104023U (en) | Based on the quick supervisory keyboard of DVR | |
| CN202523375U (en) | LED (Light-Emitting Diode) display screen controller | |
| CN107068022A (en) | A kind of control circuit of efficient LCM tests | |
| CN102608469B (en) | Testing device | |
| CN203827450U (en) | Display device and display system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110907 |