CN219842796U

CN219842796U - Screen detection device

Info

Publication number: CN219842796U
Application number: CN202320497731.6U
Authority: CN
Inventors: 束永石; 苏亚庭; 丁亮; 梁永
Original assignee: LCFC Hefei Electronics Technology Co Ltd
Current assignee: LCFC Hefei Electronics Technology Co Ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-10-17
Anticipated expiration: 2033-03-10

Abstract

The present disclosure provides a screen detection apparatus, including: the jig platform is used for bearing the screen to be tested, the main board and the control module; the power supply is respectively and electrically connected with the main board and the control module and is used for supplying power to the main board and the screen to be tested; the control module comprises a first control board and a second control board, and is used for controlling the on-off of the screen to be tested so as to finish the test of the screen to be tested; the first control board is electrically connected with the second control board, the first control board is electrically connected with the main board, and the second control board is electrically connected with the screen to be tested. The screen detection device is high in universality and can improve the efficiency of screen detection.

Description

Screen detection device

Technical Field

The disclosure relates to the technical field of screen detection, in particular to a screen detection device.

Background

With rapid development and widespread use of screen detection technology, detection of a screen by a person using a screen detection device is becoming a mainstream of application of the screen detection device. However, in the process of screen detection, most of the existing screen detection devices are used for directly connecting a screen to be detected with a main board, and then the screen to be detected is tested by starting up the main board, so that the screen test time is long, and the screen detection efficiency is low. The main board of the existing screen detection device corresponds to the screen to be detected, different types of screens need to be subjected to screen testing corresponding to different types of main boards, and the universality of the screen detection device is low. A screen detection device having high versatility and high screen detection efficiency is more desired.

Therefore, it is a continuing goal to provide a screen detection device that has high versatility and high screen detection efficiency.

Disclosure of Invention

The present disclosure provides a screen detection device to at least solve the above technical problems existing in the prior art.

According to a first aspect of the present disclosure, there is provided a screen detection apparatus including: the jig platform is used for bearing the screen to be tested, the main board and the control module; the power supply is respectively and electrically connected with the main board and the control module and is used for supplying power to the main board and the screen to be tested; the control module comprises a first control board and a second control board, and is used for controlling the on-off of the screen to be tested so as to finish the test of the screen to be tested; the first control board is electrically connected with the second control board, the first control board is electrically connected with the main board, and the second control board is electrically connected with the screen to be tested.

In one embodiment, the first control board includes a voltage conversion circuit and a flat cable outlet; the input end of the voltage conversion circuit is electrically connected with the power supply, and the output end of the voltage conversion circuit is electrically connected with the flat cable jack; the voltage conversion circuit is used for controlling the screen to be tested to be powered on and powered off so as to finish the test of the screen to be tested; the flat cable jack is electrically connected with the second control board.

In an embodiment, the main board comprises a first interface, and the first control board further comprises a second interface corresponding to the first interface; the first interface is electrically connected with the second interface through a wire, and the second interface is electrically connected with the flat cable jack and is used for transmitting image information to be displayed on the screen to be tested.

In an embodiment, the first control board further includes a protection circuit, and the protection circuit is electrically connected to the voltage conversion circuit.

In one embodiment, the second control board includes a first connector and a second connector, the first connector being electrically connected to the second connector.

In one embodiment, the first connector is electrically connected to the flat cable socket through a wire, and is used for supplying power to the screen to be tested and transmitting the image information.

In an embodiment, the second connector is electrically connected to the screen to be tested, and is used for supplying power to the screen to be tested and transmitting the image information.

In an embodiment, the power supply is disposed inside the jig platform.

In an embodiment, the first control board is disposed inside the jig platform.

In an embodiment, the control module further comprises an operation unit; the operation unit is arranged on the jig platform and comprises keys and an indicator lamp.

The screen detection device of the present disclosure includes: the jig platform is used for bearing the screen to be tested, the main board and the control module; the power supply is respectively and electrically connected with the main board and the control module and is used for supplying power to the main board and the screen to be tested; the control module comprises a first control board and a second control board, and is used for controlling the on-off of the screen to be tested so as to finish the test of the screen to be tested; the first control board is electrically connected with the second control board, the first control board is electrically connected with the main board, and the second control board is electrically connected with the screen to be tested. The screen detection device is high in universality and can improve the efficiency of screen detection.

It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the disclosure, nor is it intended to be used to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following specification.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings, in which:

in the drawings, the same or corresponding reference numerals indicate the same or corresponding parts.

Fig. 1 is a schematic diagram showing the constitution of a screen detecting apparatus according to an embodiment of the present disclosure;

fig. 2 shows a second schematic diagram of the composition structure of a screen detection device according to an embodiment of the present disclosure;

fig. 3 is a schematic view showing the constitution of a first control board according to an embodiment of the present disclosure;

fig. 4 shows a schematic diagram of the composition structure of a second control board according to an embodiment of the present disclosure.

The reference numerals in the figures illustrate: 1. a jig platform; 2. a power supply; 3. a main board; 4. a control module; 41. a first control board; 42. a second control board; 43. an operation unit; 431. a key; 432. an indicator light.

Detailed Description

In order to make the objects, features and advantages of the present disclosure more comprehensible, the technical solutions in the embodiments of the present disclosure will be clearly described in conjunction with the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only some embodiments of the present disclosure, but not all embodiments. Based on the embodiments in this disclosure, all other embodiments that a person skilled in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.

Referring to fig. 1 and 2, a screen detection apparatus of an embodiment of the present disclosure includes: the jig platform 1 is used for bearing a screen to be tested, a main board 3 and a control module 4; a power supply 2 (not shown in the figure) electrically connected to the main board 3 and the control module 4, respectively, for supplying power to the main board 3 and the screen to be tested; the control module 4 comprises a first control board 41 and a second control board 42, and is used for controlling the power on and off of the screen to be tested so as to complete the test of the screen to be tested; the first control board 41 is electrically connected with the second control board 42, the first control board 41 is electrically connected with the main board 3, and the second control board 42 is electrically connected with the screen to be tested. Wherein, power 2 and first control panel 41 set up in the inside of tool platform 1, and mainboard 3 sets up in the top of tool platform.

In some embodiments, the screen under test may include: LCD (Liquid Crystal Display ) and OLED (Organic Light Emitting Display, organic light emitting diode display). The screen under test may also include other display screens, embodiments of the present disclosure not being limited. The main board 3 may include: a Motherboard (MB) that can be powered on normally. The power supply 2 is connected with the main board 3 through a power line and is used for supplying power to the main board 3. Wherein the power supply 2 may comprise: a 12 volt power supply; the line width of the power line may include: 40mil. The power supply 2 controls the power supply circuits of the main board 3 and the control module 4 independently.

In some embodiments, the motherboard 3 may include: a first interface. The control module 4 may include a first control board 41 and a second control board 42. The first control board 41 may include a voltage conversion circuit, a second interface, and a flat cable outlet. The second control board may include: a first connector and a second connector. The power supply 2 is connected with the input end of the voltage conversion circuit through a power line and is used for supplying power to the first control board 41 and the screen to be tested. The output of voltage conversion circuit passes through the circuit and is connected with winding displacement socket electricity, and the linewidth of power cord can include: 40mil. The voltage conversion circuit may include: a 12 volt to 5 volt circuit and a 12 volt to 3 volt circuit. The voltage conversion circuit may also include other voltage conversion circuits, embodiments of the present disclosure not being limited. The first interface may include: HDMI (High Definition Multimedia Interface ), VGA (Video Graphics Array, video graphics array) interface, and DVI (Digital Visual Interface, digital video interface). The first interface may also include other video interfaces, and embodiments of the present disclosure are not limited. The first interface may be used to transmit image information to be displayed on the screen to be tested. The image information may include a differential signal. The second interface may include: HDMI, VGA interface, and DVI. The second interface may also include other video interfaces, and embodiments of the present disclosure are not limited. The second interface may be the same as the first interface or may be different from the first interface. The second interface may be used to transmit image information to be displayed on the screen to be tested. The first connector may include: MB connector. The second connector may include: panel connectors.

In some embodiments, the first interface is electrically connected to the second interface through a wire, and the second interface is electrically connected to the flat cable socket through a circuit, so as to transmit the image information to be displayed by the screen to be tested from the main board 3 to the first control board 41. The flat cable jack is electrically connected with the first connector through a wire, and the first connector is electrically connected with the second connector through a circuit, so as to transmit image information to be displayed on the screen to be tested from the first control board 41 to the second control board 42 and supply power to the screen to be tested. The second connector is electrically connected to the screen to be tested through a wire, and is used for transmitting image information from the second control board 42 to the screen to be tested and supplying power to the screen to be tested. And the screen to be tested responds to the received image information, and an image corresponding to the image information is displayed on the screen to be tested.

In some embodiments, the control module 4 may further comprise an operation unit 43. The operation unit 43 may include a key 431 and an indication lamp 432, among others. The key 431 is electrically connected with the power supply 2 through a wire and is used for controlling the on-off of the voltage conversion circuit of the first control board 41, so as to control the on-off of the screen to be tested, and complete the test of the screen to be tested.

In some embodiments, the first control board 41 may further include a protection circuit electrically connected to the voltage conversion circuit through a circuit for preventing the voltage conversion circuit from being shorted. The protection circuit may include: a 12 volt power fuse, a 5 volt power fuse, and a 3 volt power fuse. The protection circuit is electrically connected with the indication lamp 432 through a wire, and the indication lamp 432 may include: 12 volt power indicator, 5 volt power indicator and 3 volt power indicator. If the indication lamp 432 is turned off, it indicates that the voltage conversion circuit corresponding to the indication lamp 432 is short-circuited.

Referring to fig. 3, a first control board 41 of one embodiment of the present disclosure includes: HDMI interface, winding displacement socket, voltage conversion circuit and protection circuit. The HDMI interface may be electrically connected to the HDMI interface of the motherboard 3 through a wire, and the HDMI interface is electrically connected to the flat cable socket through a circuit, for transmitting image information to be displayed on the screen to be tested from the motherboard 3 to the first control board 41. The power supply 2 is connected with the input end of the voltage conversion circuit through a power line, and the output end of the voltage conversion circuit is electrically connected with the flat cable jack through a circuit and is used for supplying power to the first control panel 41 and the screen to be tested. The line width of the power line may include: 40mil. The voltage conversion circuit may include: a 12 volt to 5 volt circuit and a 12 volt to 3 volt circuit. The protection circuit may be electrically connected to the voltage conversion circuit through a circuit for preventing the voltage conversion circuit from being shorted. The protection circuit may include: a 12 volt power fuse, a 5 volt power fuse, and a 3 volt power fuse. The protection circuit is electrically connected with the indication lamp 432 through a wire, and the indication lamp 432 may include: 12 volt power indicator, 5 volt power indicator and 3 volt power indicator.

Referring to fig. 4, the second control board 42 of one embodiment of the present disclosure includes: MB connector and Panel connector. The MB connector is electrically connected with the flat cable jack of the first control board 41 through a wire, and the MB connector is electrically connected with the Panel connector through a circuit network, and is used for transmitting image information to be displayed by the screen to be tested from the first control board 41 to the second control board 42 and supplying power to the screen to be tested. The Panel connector is electrically connected to the screen to be tested through a wire for transmitting image information from the second control board 42 to the screen to be tested and supplying power to the screen to be tested. And the screen to be tested responds to the received image information, and an image corresponding to the image information is displayed on the screen to be tested.

In some embodiments, the screen detection process of the screen detection apparatus may include: the power supply 2 supplies power to the main board 3 in advance, and the main board 3 is kept in a starting state in a screen detection process. First, the screen to be tested is connected with the Panel connector of the second control board 42. The voltage conversion circuit of the first control board 41 is controlled to be electrified through the key 431, so that the screen to be tested is controlled to be lighted. And testing the lighted screen to be tested. After the test is completed, the voltage conversion circuit of the first control board 41 is controlled to be powered off through the key 431, and then the screen to be tested is controlled to be extinguished. The screen to be tested is disconnected from the Panel connector of the second control board 42, and the next screen to be tested is connected to the Panel connector of the second control board 42 to perform screen detection on the next screen to be tested.

In the screen detection device in the embodiment of the present disclosure, the first control board 41 includes a voltage conversion circuit and a flat cable jack; the input end of the voltage conversion circuit is electrically connected with the power supply 2, and the output end of the voltage conversion circuit is electrically connected with the flat cable jack; the voltage conversion circuit is used for controlling the on-off of the screen to be tested so as to finish the test of the screen to be tested; the flat cable outlet is electrically connected to the second control board 42. Therefore, the mainboard 3 does not need to be restarted every time of screen test, the time of screen test is reduced, and the efficiency of screen detection is improved. In the screen detection device in the embodiment of the present disclosure, the second control board 42 includes a first connector and a second connector, and the first connector is electrically connected with the second connector. The first connector is electrically connected with the flat cable socket through a wire and is used for supplying power to the screen to be tested and transmitting image information. The second connector is electrically connected with the screen to be tested and is used for supplying power to the screen to be tested and transmitting image information. Therefore, the second control board 42 can be used as a universal rotating board, and can be suitable for screen testing of various screens to be tested, so that the universality of the screen detection device is improved. In the screen detection device in the embodiment of the present disclosure, the main board 3 includes a first interface, and the first control board 41 further includes a second interface corresponding to the first interface; the first interface is electrically connected with the second interface through a wire, and the second interface is electrically connected with the flat cable socket and is used for transmitting image information to be displayed on the screen to be tested. The first control board 41 further includes a protection circuit electrically connected to the voltage conversion circuit. So, can improve screen detection device's durability, if long-term the use, the second control panel appears damaging, can quick replacement second control panel, screen detection device's other spare and accessory parts and screen test control flow all need not change. In the screen detection device in the embodiment of the disclosure, a power supply 2 is arranged in a jig platform 1; the first control board 41 is disposed inside the jig platform 1; the control module 4 further includes an operation unit 43; the operation unit 43 is disposed on the jig platform 1 and includes a key 431 and an indicator 432. In this way, the connection and disconnection of the second control board 42 and the screen to be tested can be facilitated, the on-off of the screen to be tested can be controlled through the key 431 every time of screen test, the main board 3 is not required to be restarted, the time of screen test is shortened, and the efficiency of screen detection is improved.

It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps recited in the present disclosure may be performed in parallel, sequentially, or in a different order, provided that the desired results of the disclosed aspects are achieved, and are not limited herein.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A screen detection apparatus, characterized in that the screen detection apparatus comprises:

the jig platform (1) is used for bearing a screen to be tested, a main board (3) and a control module (4);

the power supply (2) is respectively and electrically connected with the main board (3) and the control module (4) and is used for supplying power to the main board (3) and the screen to be tested;

the control module (4) comprises a first control board (41) and a second control board (42) and is used for controlling the screen to be tested to be powered on and powered off so as to complete the test of the screen to be tested;

the first control board (41) is electrically connected with the second control board (42), the first control board (41) is electrically connected with the main board (3), and the second control board (42) is electrically connected with the screen to be tested.

2. The screen detection device according to claim 1, wherein the first control board (41) includes a voltage conversion circuit and a flat cable outlet;

the input end of the voltage conversion circuit is electrically connected with the power supply (2), and the output end of the voltage conversion circuit is electrically connected with the flat cable jack;

the voltage conversion circuit is used for controlling the screen to be tested to be powered on and powered off so as to finish the test of the screen to be tested;

the flat cable outlet is electrically connected with the second control board (42).

3. The screen detection device according to claim 2, wherein the main board (3) includes a first interface, and the first control board (41) further includes a second interface corresponding to the first interface;

the first interface is electrically connected with the second interface through a wire, and the second interface is electrically connected with the flat cable jack and is used for transmitting image information to be displayed on the screen to be tested.

4. The screen detection device according to claim 2, wherein the first control board (41) further includes a protection circuit electrically connected to the voltage conversion circuit.

5. A screen detection apparatus according to claim 3, wherein the second control board (42) includes a first connector and a second connector, the first connector being electrically connected with the second connector.

6. The screen inspection device of claim 5, wherein the first connector is electrically connected to the flat cable outlet via a wire for powering the screen under inspection and transmitting the image information.

7. The screen inspection device of claim 5, wherein the second connector is electrically connected to the screen under inspection for powering the screen under inspection and transmitting the image information.

8. The screen detection device according to claim 1, wherein the power supply (2) is disposed inside the jig platform (1).

9. The screen inspection device according to claim 1, characterized in that the first control board (41) is disposed inside the jig platform (1).

10. Screen detection device according to claim 1, characterized in that the control module (4) further comprises an operating unit (43);

the operation unit (43) is arranged on the jig platform (1) and comprises a key (431) and an indicator lamp (432).