CN110429956B - Portable multi-interface video cable test box - Google Patents
Portable multi-interface video cable test box Download PDFInfo
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- CN110429956B CN110429956B CN201910704638.6A CN201910704638A CN110429956B CN 110429956 B CN110429956 B CN 110429956B CN 201910704638 A CN201910704638 A CN 201910704638A CN 110429956 B CN110429956 B CN 110429956B
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- 238000000034 method Methods 0.000 description 7
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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Abstract
本发明公开了一种便携式多接口视频线缆测试箱，箱体中设置有显示器、控制器、第一信号转换模块、第二信号转换模块和操作面板，操作面板上设有10路输入接口和10路输出接口，10路输入接口通过第一信号转换模块与控制器连接，10路输出接口通过第二信号转换模块与显示器连接。控制器内部存储有测试视频，测试时，将待测线缆一端插入其中一输入接口，待测线缆另一端插入其中一输出接口，通过观察显示屏的显示状态即可判断待测线缆的好坏。
The invention discloses a portable multi-interface video cable test box. The box body is provided with a display, a controller, a first signal conversion module, a second signal conversion module and an operation panel. The operation panel is provided with 10 input interfaces and 10 output interfaces, 10 input interfaces are connected with the controller through the first signal conversion module, and 10 output interfaces are connected with the display through the second signal conversion module. There is a test video stored in the controller. During the test, insert one end of the cable to be tested into one of the input ports, and the other end of the cable to be tested into one of the output ports. good or bad.
Description
Technical Field
The invention belongs to the technical field of communication testing, and particularly relates to a portable multi-interface video cable testing box.
Background
With the popularization and use of the video conference system of the national power grid company, video equipment in conference places is continuously increased. Signal input and output connectors of different video apparatuses are often different from each other, which requires the use of video signal cables of a plurality of connector types. Common video cable connectors include VGA, DVI, 5BNC, SDI, HDMI, etc., each connector is divided into a male connector and a female connector, and 10 connectors are provided in total. Two connectors of each video cable are used for calculation, a total of 55 video cables can be combined, and how to conveniently test the usability of each cable becomes a problem to be solved urgently. There are two common methods for testing video cables: one method is that two ends of the display screen are respectively connected to a signal source and the display screen to observe whether the display effect is normal; another approach is to use a dedicated video cable test tool. Both of these approaches have limitations: firstly, two existing schemes can only test a single type of video cable, and do not support the testing of multiple types of video cables. Secondly, the intuitiveness and the convenience cannot be considered, the method is directly connected to equipment, although the equipment is intuitional, the method does not have the convenience, and many wiring sites do not have the condition for implementing the method; although the second method is convenient, the existing test equipment mostly uses a buzzer or an indicator light to display the test result, which is not intuitive, and needs a certain professional knowledge to read the meaning of the indicator light, and a certain learning cost is needed when the second method is used.
Disclosure of Invention
In order to solve the problems that the video cable interfaces are various and no convenient and visual testing tool exists, the invention designs a portable multi-interface video cable testing box. The test device can test 55 kinds of video cables, and cable test results can be visually observed through the display screen.
The invention is realized by the following technical scheme:
a portable multi-interface video cable test box is characterized in that a display, a controller, a first signal conversion module, a second signal conversion module, a power supply module, a switch button and a test button are arranged in a box body;
the controller is connected with a DVI interface of the first signal conversion module through a DVI cable, the first signal conversion module is used for converting DVI signals output by the controller into HDMI, SDI, DVI, VGA and 5BNC signals, and the first signal conversion module provides a HDMI male head, a SDI male head, a DVI male head, a VGA male head, a 5BNC male head, a HDMI female head, a SDI female head, a DVI female head, a VGA female head and a 5BNC female head, and 10 cable connectors are counted; the second signal conversion module is connected with a DVI interface of the display screen through a DVI cable, the second signal conversion module is used for converting DVI signals input by the display screen into HDMI, SDI, DVI, VGA and 5BNC signals, and the first signal conversion module provides a HDMI male head, a SDI male head, a DVI male head, a VGA male head, a 5BNC male head, a HDMI female head, a SDI female head, a DVI female head, a VGA female head and a 5BNC female head, and 10 cable connectors in total;
the box body is also provided with a control panel, and the switch button, the test button, the 10 cable connectors of the first signal conversion module and the 10 cable connectors of the second signal conversion module are all embedded on the control panel.
In the technical scheme, the portable multi-interface video cable test box is of a box structure and comprises an upper box body and a lower box body, and the upper box body and the lower box body are connected through a box body connecting component to realize opening and closing of the box bodies.
In the technical scheme, the display screen is embedded in the upper box body, and the controller, the first signal conversion module, the second signal conversion module, the power supply module, the switch button, the test button and the control panel are installed on the lower box body.
In the above technical solution, the power module is connected to the controller and the display screen to supply power thereto.
In the technical scheme, in order to adapt to the test of the short wire and the adapter, the cable joint provided by the test box is a telescopic joint, a spring tension mechanism is arranged in the telescopic joint, and the joint can be pulled out and extended.
In the technical scheme, the switch button is arranged on a main power supply circuit of the power supply module, and the whole system is controlled to be powered on/off through the switch button.
In the above technical solution, the test button is connected to the controller, and is a control button of the controller, and the controller is controlled to operate by the test button.
In the above technical solution, the control panel is divided into a male input connector area, a female input connector area, a male output connector area and a female output connector area, and the HDMI male connector, SDI male connector, DVI male connector, VGA male connector, and 5BNC male connector of the first signal conversion module are arranged in the male input connector area; the HDMI female head, the SDI female head, the DVI female head, the VGA female head and the 5BNC female head of the first signal conversion module are arranged in the female head input joint area; the HDMI male head, the SDI male head, the DVI male head, the VGA male head and the 5BNC male head of the second signal conversion module are arranged in the male head output joint area; female head of HDMI, female head of SDI, the female head of DVI, the female head of VGA, the female head of 5BNC of second signal conversion module arrange in female first output joint region.
In the technical scheme, the controller stores the test video.
The testing method of the portable multi-interface video cable testing box comprises the following steps: during testing, firstly, a switch button is pressed, and then one end of a video cable to be tested is inserted into a certain interface in a male input connector area or a female input connector area, so that the end of the video cable can be connected to a controller through a first signal conversion module; inserting the other end of the video cable to be tested into a certain interface in the male output connector area or the female output connector area, so that the end of the video cable can be connected to a display through the second signal conversion module; then press the test button, accessible this moment observes the display screen and obtains the cable test result: if the display effect of the display screen is normal, the video cable is in a good state; if the display screen has edge missing, jittering and mosaic, the video cable is abnormal.
The testing method of the portable multi-interface video cable testing box comprises the following steps: firstly, a switch button is pressed, and then one end of a video cable to be tested is inserted into a certain interface in a male input connector area or a female input connector area, so that the end of the video cable can be connected to a controller through a first signal conversion module; the other end of the video cable to be tested is connected to an external display screen or an engineering machine, then a test key is pressed, and whether the test display effect is normal or not can be tested by observing the external display at the moment: if the external display screen has a normal effect, the video cable is in a good state and can adapt to the external display screen; if the external display screen effect is abnormal, whether the video cable is normal or not needs to be confirmed by using the display screen of the portable multi-interface video cable test box, and whether the external display screen is abnormal or not is further detected.
The invention has the advantages and beneficial effects that:
1. the test box can test as many as 55 video cables, covers most video cables in a video conference system, and can provide a one-stop solution for the cable test problem of video engineering;
2. the test box is internally provided with the display screen, so that the display effect of the video cable can be directly observed, and the test result is visual;
3. the test box adopts a light metal shell, and can shield external electromagnetic waves from interfering a signal source and a display screen;
4. the test box provides a uniform test signal generating source and a video display screen, so that the evaluation of the cable can be prevented from being influenced by the signal source and the display screen;
5. the test box can test video cables and adapters with any length;
6. the test box adopts a modular design, so that the fault parts are convenient to replace, and the reliability of the equipment is high;
7. the test box is simple to operate, and can be started by one key to test the cable by one key;
8. the test box is small in size, reasonable in layout and convenient to carry.
Drawings
FIG. 1 is a schematic diagram of a portable multi-interface video cable test box of the present invention.
FIG. 2 is a structural diagram of an internal electronic control system of the test box of the present invention.
Wherein:
1: handle, 2: display screen, 4: male output joint area, 5: female output joint area, 6: test button, 7: switch knob, 8: case coupling member, 9: male input joint area, 10: female input joint area, 11: a telescopic joint.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention is further described below with reference to specific examples.
Example one
Referring to fig. 1 and 2, the portable multi-interface video cable test box is of a box structure and comprises an upper box body and a lower box body, wherein the upper box body and the lower box body are connected through a box body connecting component 8, so that the box bodies can be opened and closed.
A display screen 2 is embedded in the upper box body and is provided with a DVI interface.
The lower box body is a test box host and comprises a controller, a first signal conversion module, a second signal conversion module, a power supply module, a switch button 7 and a test button 6. The controller is provided with a DVI interface, the controller is connected with the DVI interface of the first signal conversion module through a DVI cable, the first signal conversion module is used for converting DVI signals output by the controller into HDMI, SDI, DVI, VGA and 5BNC signals, and the first signal conversion module provides a HDMI male head, a SDI male head, a DVI male head, a VGA male head, a 5BNC male head, a HDMI female head, a SDI female head, a DVI female head, a VGA female head and a 5BNC female head, and 10 cable connectors in total; the second signal conversion module is connected with a DVI interface of the display screen through a DVI cable, the second signal conversion module is used for converting DVI signals input by the display screen into HDMI, SDI, DVI, VGA and 5BNC signals, and the first signal conversion module provides a HDMI male head, a SDI male head, a DVI male head, a VGA male head, a 5BNC male head, a HDMI female head, a SDI female head, a DVI female head, a VGA female head and a 5BNC female head, and 10 cable connectors in total;
and the lower box body is also provided with an operation panel, and the switch button, the test button, the 10 cable connectors of the first signal conversion module and the 10 cable connectors of the second signal conversion module are embedded on the operation panel. Furthermore, the control panel is divided into a male input connector area 9, a female input connector area 10, a male output connector area 4 and a female output connector area 5, and the HDMI male connector, the SDI male connector, the DVI male connector, the VGA male connector and the 5BNC male connector of the first signal conversion module are arranged in the male input connector area; the HDMI female head, the SDI female head, the DVI female head, the VGA female head and the 5BNC female head of the first signal conversion module are arranged in the female head input joint area; the HDMI male head, the SDI male head, the DVI male head, the VGA male head and the 5BNC male head of the second signal conversion module are arranged in the male head output joint area; female head of HDMI, female head of SDI, the female head of DVI, the female head of VGA, the female head of 5BNC of second signal conversion module arrange in female first output joint region.
Further, the switch button is arranged on a main power supply circuit of the power supply module, and the switch button is used for controlling the on/off of the whole system.
Further, the test button is connected with the controller and is a control button of the controller, and the controller is controlled to work through the test button (namely the controller sends a video test signal).
Furthermore, the power module is connected with the controller and the display screen to supply power to the controller and the display screen.
The controller is internally stored with a test video, and during testing, a switch button is pressed firstly, and then one end of a video cable to be tested is inserted into a certain interface in a male input connector area or a female input connector area, so that the end of the video cable can be connected to the controller through a first signal conversion module; inserting the other end of the video cable to be tested into a certain interface in the male output connector area or the female output connector area, so that the end of the video cable can be connected to a display through the second signal conversion module; then press the test button, accessible this moment observes the display screen and obtains the cable test result: if the display effect of the display screen is normal, the video cable is in a good state; if the display screen has edge missing, jittering and mosaic, the video cable is abnormal.
It is also possible to use only the host of the test box: firstly, a switch button is pressed, and then one end of a video cable to be tested is inserted into a certain interface in a male input connector area or a female input connector area, so that the end of the video cable can be connected to a controller through a first signal conversion module; the other end of the video cable to be tested is connected to an external display screen or an engineering machine, then a test key is pressed, and whether the test display effect is normal or not can be tested by observing the external display at the moment: if the external display screen has a normal effect, the video cable is in a good state and can adapt to the external display screen; if the external display screen effect is abnormal, whether the video cable is normal or not needs to be confirmed by using the display screen of the portable multi-interface video cable test box, and whether the external display screen is abnormal or not is further detected.
Example two
Further, in order to adapt to the test of the short wire and the adapter, the cable joint provided by the test box is a telescopic joint 11 which is internally provided with a spring tension mechanism and can be pulled out and extended.
EXAMPLE III
Further, the box body is made of metal anti-interference materials. The upper box body and the lower box body are respectively provided with a handle 1.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
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2019
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| CN203951485U (en) * | 2014-05-09 | 2014-11-19 | 国家电网公司 | Universal port and cable tester |
| CN205317881U (en) * | 2016-01-25 | 2016-06-15 | 浪潮（苏州）金融技术服务有限公司 | Intelligence cable check out test set |
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