CN219457129U - Display testing device - Google Patents
Display testing device Download PDFInfo
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- CN219457129U CN219457129U CN202223531489.4U CN202223531489U CN219457129U CN 219457129 U CN219457129 U CN 219457129U CN 202223531489 U CN202223531489 U CN 202223531489U CN 219457129 U CN219457129 U CN 219457129U
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Abstract
The utility model provides a display testing device, comprising: the device comprises a first signal source, a second signal source, a switcher, a processor and shooting equipment; the input end of the switcher is connected with the first signal source and the second signal source, the output end of the switcher is respectively connected with a display to be tested and a processor, and the processor is connected with the shooting equipment and the switcher; the processor is used for controlling the switcher to receive an input signal of the first signal source or the second signal source and send the input signal to the display to be tested, so that the display to be tested displays different images; the processor is used for controlling the shooting equipment to acquire the target image on the display to be tested, and the shooting equipment is used for acquiring the target image and sending the target image to the processor for testing. The utility model automatically completes the testing work of the display by using the switcher and the processor, saves testing time and lightens testing intensity of testers.
Description
Technical Field
The utility model relates to the technical field of equipment testing, in particular to a display testing device.
Background
When the display effect of the display is tested, the display effect of the display under different signal sources needs to be tested. At present, when a signal source is tested on a display, a tester is required to manually plug the signal wire so as to replace different signal sources and signal wires to realize the switching of the signal sources of the display. However, the manner of manually replacing the signal source and the signal line is complicated in operation, resulting in a long test time.
Disclosure of Invention
The utility model provides a display testing device which is used for solving the defects of long testing time caused by complex operation in the manual replacement mode of a signal source and a signal wire in the prior art, realizing automatic completion of testing work of a display, saving testing time and reducing testing strength of testers.
The utility model provides a display testing device, comprising: the device comprises a first signal source, a second signal source, a switcher, a processor and shooting equipment;
the input end of the switcher is connected with the first signal source and the second signal source, the output end of the switcher is respectively connected with a display to be tested and a processor, and the processor is connected with the shooting equipment and the switcher;
the processor is used for controlling the switcher to receive an input signal of the first signal source or the second signal source and send the input signal to the display to be tested, so that the display to be tested displays different images;
the processor is used for controlling the shooting equipment to acquire the target image on the display to be tested, and the shooting equipment is used for acquiring the target image and sending the target image to the processor for testing
According to the display testing device provided by the utility model, the switcher comprises a first input interface, a second input interface, a control unit and an output interface;
the first input interface is connected with the first signal source, the second input interface is connected with the second signal source, the control unit is connected with the processor, and the output interface is respectively connected with the display to be tested and the processor;
the first input interface is used for receiving a first input signal of a first signal source, and the second input interface is used for receiving a second input signal of a second signal source;
the control unit is used for receiving a control instruction of the processor and leading the first input interface or the second input interface to be communicated with the output interface;
the output interface is used for sending the first signal source received by the first input interface or the second signal source received by the second input interface to the display to be tested, so that the display to be tested displays the image of the first signal source or the image of the second signal source.
According to the display testing device provided by the utility model, the switcher comprises a first indicator light and a second indicator light, the first indicator light is connected in series with the first input interface, and the on or off of the first indicator light indicates that the first input interface is connected with or disconnected from the output port; the second indicator light is connected with the second input interface in series, and the on or off of the second indicator light indicates that the second input interface is connected with or disconnected from the output port.
According to the display testing device provided by the utility model, the display testing device further comprises a third signal source, and the switcher further comprises a third input interface, wherein the third input interface is connected with the third signal source.
According to the display testing device provided by the utility model, the control unit enables the first input interface, the second input interface and the third input interface to be sequentially connected with the output interface based on the control instruction, so that the display to be tested sequentially displays the image of the first signal source, the image of the second signal source and the image of the third signal source.
According to the display testing device provided by the utility model, the timer is arranged in the control unit, and the control unit controls the set time of switching of the input interface according to the timer.
According to the display testing device provided by the utility model, the first signal source, the second signal source and the third signal source are different, and the first signal source, the second signal source or the third signal source is any one of HDMI signals, DP signals or VGA signals.
According to the display testing device provided by the utility model, the center of the camera of the shooting equipment corresponds to the center of the display interface of the display to be tested.
According to the display testing device provided by the utility model, the set time is 5s.
According to the display testing device provided by the utility model, the switch is a KVM switch.
The display testing device provided by the utility model has the advantages that the control output end of the switcher is connected with the input end connected with different signal sources, the display images of the different signal sources are displayed on the display, and then the processor is used for testing the images on the display.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a display testing apparatus according to the present utility model;
FIG. 2 is a schematic diagram of a display testing apparatus according to the second embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the display testing apparatus provided by the present utility model includes: a first signal source 110, a second signal source 120, a switch 130, a processor 140, and a photographing apparatus 150;
the input end of the switcher 130 is connected with the first signal source 110 and the second signal source 120, and the output end is connected with the display 160 to be tested and the processor 140 respectively;
the switch 130 is configured to receive input signals of different signal sources and send the input signals to the display 160 to be tested and the processor 140, so that the display 160 to be tested displays different images, and the processor 140 processes the input signals;
the processor 140 is connected to the photographing device 150, and the processor 140 is configured to control the photographing device 150 to collect the target image on the display 160 to be tested;
the photographing device 150 is configured to send the target image to the processor 140 for testing.
In particular, the first signal source and the second signal source are two different signal sources, which can be understood as devices that can transmit signals of two different protocols. The two signals may be any two of HDMI signal, DP signal and VGA signal.
In the present embodiment, the switch is a KVM switch, and it should be noted that the KVM switch is also called (KVM, keyboard Video Mouse), and the KVM switch is a computer management device. The processor is a CPU and can be used for performing operations such as command issuing, data sending, data receiving, data processing and the like.
The processor controls the switcher to be communicated with different signal sources: the second signal source is disconnected when the first signal source is on, and the first signal source is disconnected when the second signal source is on. The control switch receives signals input by different signal sources. Such as: receiving an HDMI signal input by a first signal source, and then sending the HDMI signal of the first signal source to a display to be tested for display; or receiving the DP signal input by the second signal source, and then sending the DP signal of the second signal source to the display to be tested for display.
The shooting device can be a camera, a video camera and the like, can collect images displayed on a display to be tested, and sends the collected target images to the processor for testing, and the processor can compare the target images with preset standard images, so that a testing result of the display to be tested is obtained.
The display testing device provided by the utility model has the advantages that the control output end of the switcher is connected with the input end connected with different signal sources, the display images of the different signal sources are displayed on the display, and then the processor is used for testing the images on the display.
Referring to fig. 2, in some embodiments, the switch 210 includes a first input interface 211, a second input interface 211, a control unit 213, and an output interface 214;
the first input interface 211 is connected with the first signal source 220, the first input interface 212 is connected with the second signal source 230, the control unit 213 is connected with the processor 250, and the output interface 214 is respectively connected with the display 240 to be tested and the processor 250;
the first input interface 211 is configured to receive a first input signal of the first signal source 220, and the first input interface 212 is configured to receive a second input signal of the second signal source 230;
the control unit 213 is configured to receive a control instruction from the processor 250, and make the first input interface 211 or the first input interface 212 conductive to the output interface 214;
the output interface 214 is configured to send the first signal source 220 received by the first input interface 211 or the second signal source 230 received by the first input interface 212 to the display to be tested 240, so that an image of the first signal source 220 or an image of the second signal source 230 is displayed on the display to be tested 240.
Specifically, in the above-described embodiment, the switch 211 includes at least two input interfaces (the first input interface 211 and the second input interface 212), the output interface 214, and the control unit 213. The at least two input interfaces are in one-to-one correspondence with the at least two signal sources (the first signal source 220 and the second signal source 230), and the at least two input interfaces are both in communication connection with the corresponding signal sources, and the output interface 214 is configured to interface with the signal sources of the display 240 to be tested. The control unit 213 is communicatively connected to the processor 250, and the control unit 213 is configured to control on/off between at least two input interfaces and the output interface 214 according to instructions of the processor 250. The processor is communicatively coupled to the capture device 270.
When the display testing device is used for testing, the display to be tested is required to be connected with the output interface of the KVM switch, namely the signal source interface of the display to be tested is required to be connected with the KVM switch.
Further, in some embodiments, a camera center of the photographing apparatus corresponds to a display interface center of the display to be tested. The center of the camera of the shooting device is aligned with the center of the display interface of the display to be tested, so that the situation that the image acquisition of the display to be tested is poor in effect can be avoided.
And then, a control instruction is sent to the control unit of the KNM by the processor to control the on-off state between at least two input interfaces and the output interfaces, so that the type of the video source displayed on the display to be tested can be controlled.
The display testing device provided by the utility model has the advantages that the processor controls the conduction of different input interfaces and output interfaces of the switcher, the display images of different signal sources are displayed on the display, and then the processor is used for testing the images on the display.
In some embodiments, the switch includes a first indicator light and a second indicator light, the first indicator light being connected in series with the first input interface, the turning on or off of the first indicator light indicating that the first input interface is on or off from the output port; the second indicator light is connected with the second input interface in series, and the on or off of the second indicator light indicates that the second input interface is connected with or disconnected from the output port.
Specifically, the present embodiment confirms the operation state of the indicator lamp by providing the indicator lamp on the switcher. The indicator light can be a light emitting diode. In an actual implementation process, the on state and the off state of the indicator lamp can be used for determining the conduction of the input interface and the output interface.
It should be noted that the first indicator light is connected in series with the first input interface, and the tester can confirm the connection or disconnection of the first input interface and the output interface by turning on or off the first indicator light. Similarly, the second indicator light is connected with the second input interface in series, and the tester can confirm the connection or disconnection of the second input interface and the output interface through the on or off of the second indicator light.
In other embodiments, the first indicator light and the second indicator light may be configured as the same indicator light, and the different operating states of the indicator lights are used to confirm which input interface is connected to the output interface, for example, when the first input interface is connected to the output interface, the indicator light is green, and when the second input interface is connected to the output interface, the indicator light is yellow.
In some embodiments, a timer is provided in the control unit, and the control unit controls the set time of the input interface switching according to the timer.
Specifically, the timer may set the set time for switching the input interface every time to 5s, that is, switching the input interface every 5s. The setting time is paused after the input interface is switched, a period of time is reserved for the shooting equipment to collect the image on the display to be tested, and the setting time can be set to be 0.5s-1s. That is, the time for switching the input interface every two times is 5.5s-6s.
According to the display testing device provided by the utility model, the connection condition of the input interface and the output interface is determined by setting the indicator lamp, and the timer is set to time the switching time of the input interface, so that the connection condition of the input interface and the output interface can be more accurately determined, the testing time is further saved, and the testing intensity of a tester is reduced.
Referring to fig. 2, in some alternative embodiments, a third signal source 260 is further included, and the switch 210 further includes a third input interface 215, where the third input interface 215 is connected to the third signal source 260.
It should be noted that, the third signal source 260, the first signal source 220, and the second signal source 230 are different signal sources, and may also be HDMI signals, DP signals, or VGA signals.
In some embodiments, the control unit sequentially connects the first input interface, the second input interface, and the third input interface to the output interface based on a control instruction, so that the display to be tested sequentially displays an image of the first signal source, an image of the second signal source, and an image of the third signal source.
Specifically, for example, the first signal source is an HDMI signal, and the first signal source is connected to the first input interface. The second signal source is a DP signal and is connected with the second input interface. The third signal source is VGA signal, and the third signal source is connected with the third input interface.
The control instruction of the processor enables the first input interface, the second input interface and the third input interface to be sequentially connected with the output interface, and the first input interface, the second input interface and the third input interface are circulated for a plurality of times. Wherein, the time for connecting each input interface and each output interface is longer than 5s, and the embodiment can be seen from 5.5s to 6s. At this time, the control unit of the KVM controls the first input interface, the second input interface and the third input interface to be sequentially connected with the output interface according to the control instruction, and performs multiple cycles, so that the display to be tested sequentially displays the HDMI signal, the DP signal and the VGA signal, and sequentially circulates.
Meanwhile, the processor controls the shooting equipment, acquires the display image of the display to be tested every 5s, and transmits the acquired display image to the processor. The processor compares the display image with the set image and judges whether the display to be tested displays normally.
According to the display testing device provided by the utility model, the plurality of different signal sources are connected with the corresponding input interfaces, and then the plurality of input interfaces are circularly communicated with the output interfaces, so that images of the different signal sources are circularly displayed on the display to be tested, and the processor compares the shot images with the set images, so that whether the display to be tested is normal or not is realized, the automatic testing of the display is realized, the testing time is saved, and the testing intensity of a tester is reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. A display testing apparatus, comprising: the device comprises a first signal source, a second signal source, a switcher, a processor and shooting equipment;
the input end of the switcher is connected with the first signal source and the second signal source, the output end of the switcher is respectively connected with a display to be tested and a processor, and the processor is connected with the shooting equipment and the switcher;
the processor is used for controlling the switcher to receive an input signal of the first signal source or the second signal source and send the input signal to the display to be tested, so that the display to be tested displays different images;
the processor is used for controlling the shooting equipment to acquire the target image on the display to be tested, and the shooting equipment is used for acquiring the target image and sending the target image to the processor for testing.
2. The display testing device of claim 1, wherein the switch comprises a first input interface, a second input interface, a control unit, and an output interface;
the first input interface is connected with the first signal source, the second input interface is connected with the second signal source, the control unit is connected with the processor, and the output interface is respectively connected with the display to be tested and the processor;
the first input interface is used for receiving a first input signal of a first signal source, and the second input interface is used for receiving a second input signal of a second signal source;
the control unit is used for receiving a control instruction of the processor and leading the first input interface or the second input interface to be communicated with the output interface;
the output interface is used for sending the first signal source received by the first input interface or the second signal source received by the second input interface to the display to be tested, so that the display to be tested displays the image of the first signal source or the image of the second signal source.
3. The display testing device of claim 2, wherein the switch comprises a first indicator light and a second indicator light, the first indicator light being in series with the first input interface, the turning on or off of the first indicator light indicating that the first input interface is on or off from the output port; the second indicator light is connected with the second input interface in series, and the on or off of the second indicator light indicates that the second input interface is connected with or disconnected from the output port.
4. The display testing device of claim 2, further comprising a third signal source, the switch further comprising a third input interface, the third input interface being coupled to the third signal source.
5. The display test device according to claim 4, wherein the control unit sequentially connects the first input interface, the second input interface, and the third input interface to the output interface based on a control instruction, so that the display to be tested sequentially displays an image of a first signal source, an image of a second signal source, and an image of a third signal source.
6. The display testing device according to claim 5, wherein a timer is provided in the control unit, and the control unit controls the set time of the input interface switching according to the timer.
7. The display testing device of claim 4, wherein the first, second, and third signal sources are different, and the first, second, or third signal source is any one of an HDMI signal, a DP signal, or a VGA signal.
8. The display testing apparatus according to claim 1, wherein a camera center of the photographing device corresponds to a display interface center of the display to be tested.
9. The display testing device of claim 6, wherein the set time is 5s.
10. The display testing device of claim 1, wherein the switch is a KVM switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223531489.4U CN219457129U (en) | 2022-12-28 | 2022-12-28 | Display testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223531489.4U CN219457129U (en) | 2022-12-28 | 2022-12-28 | Display testing device |
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| Publication Number | Publication Date |
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| CN219457129U true CN219457129U (en) | 2023-08-01 |
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| CN202223531489.4U Active CN219457129U (en) | 2022-12-28 | 2022-12-28 | Display testing device |
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| CN (1) | CN219457129U (en) |
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- 2022-12-28 CN CN202223531489.4U patent/CN219457129U/en active Active
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