CN114326171A

CN114326171A - Screen detection method and device

Info

Publication number: CN114326171A
Application number: CN202111452065.6A
Authority: CN
Inventors: 顾光洲
Original assignee: Suzhou HYC Technology Co Ltd
Current assignee: Suzhou HYC Technology Co Ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-12
Anticipated expiration: 2041-11-30
Also published as: CN114326171B

Abstract

The application relates to a screen detection method and device. Responding to a detection starting instruction, a main control machine detects the automatic operation condition of screen detection equipment, if the screen detection equipment meets the automatic operation condition, a main control machine receives a material incoming signal, the main control machine detects bad point information on a screen to be detected through a plurality of slave control machines, wherein the material incoming signal indicates that the screen to be detected is placed on the screen detection equipment, each slave control machine and the main control machine are in a connection state, and the corresponding control functions of each slave control machine in the process of detecting the bad point information on the screen to be detected are different. The method can ensure the stability and the friendliness of the screen detection equipment.

Description

Screen detection method and device

Technical Field

The present disclosure relates to the field of liquid crystal panel detection, and more particularly, to a method and an apparatus for detecting a screen.

Background

With the rapid development of screen detection technology, screen manufacturers have higher and higher requirements on upper computer software of detection equipment.

In the related art, when the screen is detected through the upper computer software, errors of a certain function often exist to cause the breakdown of the whole software, so that the detection equipment cannot stably run, and the upper computer software has a slow response speed and a pause phenomenon, so that the detection equipment is poor in friendliness.

Therefore, a screen inspection method capable of ensuring the stability and friendliness of the inspection apparatus is lacking in the related art.

Disclosure of Invention

Therefore, it is necessary to provide a screen detection method and apparatus for ensuring the stability and friendliness of the screen detection device in view of the above technical problems.

In a first aspect, the present application provides a screen detection method, including:

responding to a detection starting instruction, and detecting the automatic operation condition of the screen detection equipment by the main control machine;

if the screen detection equipment meets the automatic operation condition, the main control computer receives a material incoming signal; the incoming material signal indicates that a screen to be detected is placed on the screen detection equipment;

the master control machine detects the bad point information on the screen to be detected through the plurality of slave control machines; each slave control machine is connected with the master control machine, and the corresponding control functions of each slave control machine in the process of detecting the bad point information on the screen to be detected are different.

In one embodiment, the method further comprises:

before the main control machine detects the automatic operation condition of the screen detection equipment, the main control machine executes the connection operation with each slave control machine;

if the master control machine is successfully connected with each slave control machine, the master control machine executes the operation of local model information synchronization and the data zero returning operation with each slave control machine; the local model information at least comprises local time, user name and model name.

In one embodiment, the master controller performs an operation of synchronizing the local model information with each slave controller and a data zeroing operation, including:

the master control machine sends the current local machine type information to each slave control machine, and each slave control machine is instructed to update the local machine type information stored in each slave control machine;

if the local model information of the master control machine and each slave control machine is synchronously completed, the master control machine responds to the zero returning instruction to perform self zero returning operation, sends the zero returning instruction to the target slave control machines in the plurality of slave control machines and instructs the target slave control machines to perform zero returning operation.

In one embodiment, the plurality of slave controllers includes a probe controller, an optical controller, and an inspection controller; correspondingly, the main control computer detects bad point information on the screen to be detected through a plurality of slave control computers, and the method comprises the following steps:

the main control machine acquires the model identification of the screen to be detected according to the incoming material signal, and detects the consistency of the model identification and the prestored model identification in the local model information of the main control machine;

if the model identification of the screen to be detected is inconsistent with the pre-stored model identification, the main control computer executes probe card replacement operation on a probe card on the screen detection equipment through the probe control machine;

if the model identification of the screen to be detected is consistent with the pre-stored model identification, the main control computer executes the alignment operation of an alignment platform on the screen detection equipment through the optical control machine and executes the alignment operation of the probe card through the probe control machine;

if the probe card and the alignment platform are aligned, the main control machine controls the probe card to perform crimping operation on the screen to be detected through the probe control machine, and acquires information of bad points on the screen to be detected according to the crimping operation through the optical control machine and the inspection control machine.

In one embodiment, the main control machine performs a probe card replacement operation on a probe card on the screen inspection apparatus through the probe control machine, and includes:

the main control unit controls the probe gantry on the screen detection equipment to move to a probe card replacement position on the screen detection equipment;

the main control machine sends a probe card replacing instruction carrying the seed name of the device to the probe control machine; the probe card replacing instruction is used for instructing the probe controller to replace the current probe card on the screen detection equipment with the probe card corresponding to the model name.

In one embodiment, the main controller performs the alignment operation of the alignment platform on the screen detection device through the optical controller, including:

the main control machine controls the probe gantry and the alignment platform on the screen detection equipment to move to an alignment position and sends an alignment instruction to the optical control machine; the alignment instruction is used for indicating the optical controller to control the alignment camera to acquire an image of an alignment position and acquiring an alignment deviation value according to the image of the alignment position;

the main control machine receives the alignment deviation value sent by the optical control machine;

and the main control machine controls the alignment platform to perform alignment operation according to the alignment deviation value.

In one embodiment, the probe card aligning operation is performed by a probe controller, which includes:

and the main control machine sends the Y-direction deviation value on the alignment deviation value to the probe control machine, and the probe control machine is instructed to control the probe card to move according to the Y-direction deviation value so as to perform alignment operation of the probe card.

In one embodiment, the main controller controls the probe card to perform a crimping operation on the screen to be tested through the probe controller, and the crimping operation includes:

the main control machine controls the probe gantry on the screen detection equipment to move to the crimping position of the screen to be detected and sends a crimping instruction to the probe control machine; and the crimping instruction is used for instructing the probe controller to control the probe card to execute crimping operation on the screen to be detected.

In one embodiment, the method further comprises:

the main controller controls a monitoring camera on the screen detection equipment to move to the position above the probe card and sends a real-time monitoring instruction to the optical controller; the real-time monitoring instruction is used for indicating the optical controller to control the monitoring camera to open a real-time mode, and the real-time mode is used for monitoring the operation process of the probe card in pressing connection with the screen to be detected.

In one embodiment, the acquiring of the information of the defective point on the screen to be detected according to the crimping operation by the optical controller and the inspection controller includes:

the main control machine sends a detection instruction to the inspection control machine; the detection instruction is used for instructing the inspection control machine to control the inspection machine to send current to the screen to be detected, and determining a detection result of a bad point on the screen to be detected according to the current information in the screen to be detected;

the main control machine receives the bad point detection result returned by the inspection control machine;

and if the bad point detection result indicates that the bad points exist on the screen to be detected, the main control computer acquires the bad point information on the screen to be detected through the optical control machine.

In one embodiment, the main control computer obtains the information of the bad points on the screen to be detected through the optical control computer, and the method includes the following steps:

the main control machine controls an infrared camera on the screen detection equipment to move above a screen to be detected and sends a first photographing instruction to the optical control machine; the first photographing instruction is used for instructing the optical control machine to acquire an infrared image of the screen to be detected through the infrared camera, and determining the coordinate position of a bad point in the screen to be detected according to the infrared image to obtain the bad point information on the screen to be detected.

In one embodiment, the method further comprises:

the main controller controls an optical camera on the screen detection equipment to move above the screen to be detected and sends a second photographing instruction to the optical controller; and the second photographing instruction is used for instructing the optical control machine to acquire the image of the bad point in the screen to be detected through the optical camera.

In one embodiment, the automatic operation condition of the main control computer detection screen detection equipment comprises the following steps:

the main control machine detects the alarm state, the parameter loading state and the safety door closing state of the screen detection equipment;

if any one of the alarm state, the parameter loading state and the safety door closing state is abnormal, the main control computer determines that the screen detection equipment does not meet the automatic operation condition;

if the alarm state, the parameter loading state and the safety door closing state are normal, the main control computer determines that the screen detection equipment meets the automatic operation condition.

In a second aspect, an embodiment of the present application provides a screen detecting apparatus, including:

the response module is used for responding to the detection starting instruction, and the main control machine detects the automatic running condition of the screen detection equipment;

the receiving module is used for receiving the incoming material signal by the main control computer if the screen detection equipment meets the automatic operation condition; the incoming material signal indicates that a screen to be detected is placed on the screen detection equipment;

the detection module is used for detecting the bad point information on the screen to be detected by the master control machine through the plurality of slave control machines; each slave control machine is connected with the master control machine, and the corresponding control functions of each slave control machine in the process of detecting the bad point information on the screen to be detected are different.

In a third aspect, an embodiment of the present application provides a computer device, including a memory and a processor, where the memory stores a computer program, and the processor implements the steps of the method provided in any one of the foregoing first aspects when executing the computer program.

In a fourth aspect, the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the method provided in any one of the embodiments in the first aspect.

In a fifth aspect, this application further provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the steps of the method provided in any one of the embodiments in the first aspect.

According to the screen detection method and device, in response to the detection starting instruction, the main control machine detects the automatic operation condition of the screen detection equipment, if the screen detection equipment meets the automatic operation condition, the main control machine receives the incoming material signal, and the main control machine detects the bad point information on the screen to be detected through the plurality of slave control machines. In the method, a master control machine and each slave control machine are in a connection state, after the master control machine detects that screen detection equipment meets the automatic operation condition, the main control machine receives the incoming material signal which indicates that the screen to be detected is placed on the screen detection equipment, the main control machine detects the bad point information on the screen to be detected through a plurality of slave control machines, and because the corresponding control functions of the slave control machines in the process of detecting the bad point information on the screen to be detected are different, therefore, the upper computer of the detection equipment is divided into a master control machine and a plurality of slave control machines, the screen detection equipment is controlled by utilizing the different control functions of the master control machine and the slave control machines in the process of detecting the bad point information of the screen to be detected, the change of one slave control machine function does not affect the functions of other slave control machines, thereby reducing the coupling among the functions and ensuring the stability of the screen detection equipment; and because the upper computer of the screen detection equipment is divided into a master control machine and a plurality of slave control machines, and each function is correspondingly controlled by different upper computers, the response speed of the upper computers can be improved, and the friendliness of the screen detection equipment is ensured.

Drawings

FIG. 1 is a diagram of an application environment of a screen detection method in one embodiment;

FIG. 2 is a flow diagram illustrating a method for screen detection in one embodiment;

FIG. 3 is a flow chart illustrating a screen detection method according to another embodiment;

FIG. 4 is a flowchart illustrating a screen detection method according to another embodiment;

FIG. 5 is a flowchart illustrating a screen detection method according to another embodiment;

FIG. 6 is a flowchart illustrating a screen detection method according to another embodiment;

FIG. 7 is a flowchart illustrating a screen detection method according to another embodiment;

FIG. 8 is a flowchart illustrating a screen detection method according to another embodiment;

FIG. 9 is a flowchart illustrating a screen detection method according to another embodiment;

FIG. 10 is a system control diagram of a screen detection method in one embodiment;

FIG. 11 is a flowchart illustrating a screen detection method according to another embodiment;

FIG. 12 is a flowchart illustrating a screen inspection method according to another embodiment;

FIG. 13 is a block diagram showing the structure of a screen detecting apparatus according to an embodiment;

FIG. 14 is a diagram illustrating an internal structure of a computer device according to an embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The screen detection method provided by the embodiment of the application can be applied to the application environment shown in fig. 1. The master controller, the slave controller 1, the slave controller 2 and the slave controller 3 in fig. 1 may be any field of computer devices or terminal devices, for example, including but not limited to terminal devices, or various personal computers, notebook computers, tablet computers, wearable devices, and the like, and the embodiments of the present application do not limit the types of the master controller, the slave controller 1, the slave controller 2 and the slave controller 3. The screen detection device may be a device that detects information on defective dots such as a liquid crystal screen and a liquid crystal panel, and the upstream device may transmit a screen to be detected to the screen detection device.

Based on the above fig. 1, the upstream device sends a feeding signal to the master control machine, after the master control machine receives the feeding signal, the screen detection device is controlled to receive the screen to be detected sent by the upstream device, then the master control machine cooperates with each slave control machine, and the screen detection device is controlled through different functions to detect bad points on the screen to be detected, so as to obtain the information of the bad points on the screen to be detected.

The embodiment of the application provides a screen detection method and device, which can ensure the stability and friendliness of screen detection equipment.

The following describes in detail the technical solutions of the present application and how the technical solutions of the present application solve the above technical problems by embodiments and with reference to the drawings. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.

In an embodiment, as shown in fig. 2, a screen detection method is provided, where the embodiment relates to a specific process in which, in response to a detection start instruction, a main controller detects an automatic operation condition of a screen detection device, and if the screen detection device meets the automatic operation condition, the main controller receives a feeding signal, and the main controller detects defective dot information on a screen to be detected through a plurality of slave controllers. This embodiment comprises the steps of:

s201, responding to the detection starting instruction, and detecting the automatic running condition of the screen detection equipment by the main control machine.

The detection start instruction is an instruction to detect whether the screen detection device satisfies an automatic operation condition.

The main control computer is the main control software of the whole screen detection device, and the functions of the main control computer comprise: the system is responsible for data and products interaction with upstream equipment of a client, motion control and IO control of a platform and a gantry, code scanning, alignment, infrared detection, Review detection, automatic probe replacement and the like of a dispatching slave Computer, communication of a Computer Integrated manufacturing (Cim) system of the client, product detection data recording and query, alarm information recording and query, peripheral hardware state monitoring, formula editing and management.

Optionally, the detection start instruction may be that an operator clicks a start button on the screen detection device, after the start button is pressed, the master control may detect whether the screen detection device has the alarm information, and the automatic operation condition may be that after the detection start instruction is started, the screen detection device has the alarm information.

S202, if the screen detection equipment meets the automatic operation condition, the main control computer receives a material incoming signal; the incoming material signal indicates that a screen to be detected is placed on the screen detection equipment.

The screen detection equipment meets the automatic operation condition that after a start button on the main control computer is pressed, no alarm information is output after the main control computer detects the screen detection equipment.

And if the screen detection equipment meets the automatic operation condition, the main control computer receives an incoming material signal of a manipulator of the upstream equipment, and the incoming material signal indicates that the screen to be detected is placed on the screen detection equipment. Wherein, the material represents a screen to be detected.

Specifically, if the screen detection device meets the automatic operation condition, the upstream device sends a feeding signal to the main control computer, which indicates that the upstream device is to place the screen to be detected on the screen detection device.

And S203, the master control machine detects the bad point information on the screen to be detected through the plurality of slave control machines.

And the slave control machines are in a connection state with the main control machine, and the corresponding control functions of the slave control machines in the process of detecting the bad point information on the screen to be detected are different.

Each slave control machine is connected with the host machine, so that each slave control machine and the master control machine form a local area network, the master control machine and the slave control machines are communicated in a TCP/IP mode, the master control machine is the host machine, each slave control machine is the slave machine, and the control function of the slave machine is scheduled by the host machine.

According to the screen to be detected received by the screen detection device in the above embodiment, in the process of detecting the screen to be detected, the master control machine and the plurality of slave control machines cooperate with each other due to different control functions to determine the bad point information on the screen to be detected, where the bad point information may include the number of bad points, the coordinates of the bad points, and the like on the screen to be detected.

According to the screen detection method provided by the embodiment of the application, in response to the detection starting instruction, the main control machine detects the automatic operation condition of the screen detection equipment, if the screen detection equipment meets the automatic operation condition, the main control machine receives the incoming material signal, and the main control machine detects the bad point information on the screen to be detected through the plurality of slave control machines. In the method, a master control machine and each slave control machine are in a connection state, the master control machine receives a material receiving signal after detecting that screen detection equipment meets the condition of automatic operation, the material receiving signal represents that a screen to be detected is placed on the screen detection equipment, the master control machine detects bad point information on the screen to be detected through a plurality of slave control machines, and because the corresponding control functions of the slave control machines in the process of detecting the bad point information on the screen to be detected are different, an upper computer of the detection equipment is divided into the master control machine and the slave control machines, the screen detection equipment is controlled by utilizing the different control functions of the master control machine and the slave control machines in the process of detecting the bad point information on the screen to be detected, the coupling among the functions is reduced, the change of the function of one slave control machine does not influence the functions of other slave control machines, and the coupling among the functions is reduced, the stability of the screen detection equipment is ensured; and because the upper computer of the screen detection equipment is divided into a master control machine and a plurality of slave control machines, and each function is correspondingly controlled by different upper computers, the response speed of the upper computers can be improved, and the friendliness of the screen detection equipment is ensured.

In one embodiment, as shown in FIG. 3, this embodiment includes the steps of:

and S301, before the main control computer detects the automatic operation condition of the screen detection equipment, the main control computer executes the connection operation with each slave control computer.

Optionally, the master control machine is started, the master control machine automatically monitors the connection state of the slave control machine, the slave control machine is automatically connected after being started, if any one of the master control machine and the slave control machine is not started, the connection fails, for example, the master control machine is started, and the slave control machine is not started, the master control machine always monitors whether the slave control machine is connected; if the slave control machine is started and the master control machine is not started, the slave control machine can always send a connection request to the master control machine.

The communication between the master Control machine and the slave Control machine may be performed in a Transmission Control Protocol/Internet Protocol (TCP/IP) manner, using a self-defined network communication Protocol to perform communication, and after receiving each communication instruction, the master Control machine or the slave Control machine returns an ACK instruction to the slave Control machine or the master Control machine, so that the security and stability between the master Control machine and the slave Control machine are ensured by the communication manner of question and answer.

And S302, if the master control machine is successfully connected with each slave control machine, the master control machine executes the operation of local model information synchronization and data zero returning operation with each slave control machine.

The local model information at least comprises local time, user name and model name.

The local time represents the current time, the user name represents the login user name of the master control computer, and the model name represents the name of the detection screen.

The master control machine executes the operation of synchronizing the local model information with each slave control machine, and the master control machine synchronizes the local model information to each slave control machine.

The zero-returning operation is the operation which is necessary to be completed when the screen detection equipment is powered off and started every time, the screen detection equipment knows where the initial reference point is, the screen detection equipment can automatically move towards the zero-returning direction every time the zero-returning key is pressed, and the zero-returning mode is the preset initial direction of the screen detection equipment.

Therefore, when the master control machine is successfully connected with each slave control machine, the master control machine and each slave control machine carry out the operation of local machine type information synchronization, and after the synchronization operation is finished, the data return-to-zero operation is carried out.

Optionally, the operation that the master control machine performs local model information synchronization with each slave control machine may be that the master control machine sends pre-stored local model information to each slave control machine; the data zero-returning operation may be that the main control computer presses a zero-returning button of the main control computer to make the screen detection device execute the zero-returning operation.

According to the screen detection method provided by the embodiment of the application, before the main control computer detects the automatic operation condition of the screen detection equipment, the main control computer executes the connection operation with each slave control computer, and if the main control computer is successfully connected with each slave control computer, the main control computer executes the operation of local model information synchronization and data zero returning operation with each slave control computer; the local model information at least comprises local time, user name and model name. According to the method, before the main control computer detects the automatic operation condition of the screen detection equipment, the main control computer and each slave control computer need to be connected, after the connection is successful, the main control computer synchronizes the local model information to each slave control computer and executes the zero returning operation on the screen detection equipment, so that the basis and the guarantee are provided for the detection of the screen to be detected on the screen detection equipment, and the safety and the stability of the screen detection equipment are ensured.

In the foregoing embodiment, the master controller performs the operation of synchronizing the local model information with each slave controller and the data zeroing operation, which is described in detail below with an embodiment, in which, as shown in fig. 4, the master controller performs the operation of synchronizing the local model information with each slave controller and the data zeroing operation, and the method includes the following steps:

s401, the master control machine sends current local machine type information to each slave control machine, and each slave control machine is instructed to update the local machine type information stored in the slave control machine.

In an embodiment, the master control machine sends the current local model information to each slave control machine, and the sending mode may be a TCP/IP mode.

Optionally, the model name in the local model information of the host Computer may be the model name of the last screen detected by the screen detection device, or may be the model name of a new screen actively sent to the host Computer by a Computer Integrated Manufacturing (Cim) system.

After receiving the local model information sent by the master control machine, the slave machine can automatically update the received local model information.

And S402, if the local model information of the master control machine and the local model information of each slave control machine are synchronously completed, the master control machine responds to the zero returning instruction to perform self zero returning operation, sends the zero returning instruction to the target slave control machines in the plurality of slave control machines and instructs the target slave control machines to perform zero returning operation.

In the above embodiment, the master control machine sends the current local model information to the slave control machines, and after the slave control machines update the local model information stored in the slave control machines, that is, after the master control machine and the local model information of each slave control machine are completed synchronously, the master control machine may execute a zero returning instruction to perform a zero returning operation, where the zero returning instruction may be a zero returning button pressed on the master control machine, and the master control machine starts to return to zero, and meanwhile, the master control machine sends a zero returning instruction to the target slave control machines of the plurality of slave control machines, and after the target slave control machines receive the zero returning instruction, the target slave control machines also start to return to zero.

The target slave controller is one of a plurality of slave controllers, for example, the plurality of slave controllers include a probe controller, an optical controller and an inspection controller, and the target slave controller may be the probe controller, and functions of the probe controller include motion control and Input/Output (IO) control for automatic alignment, automatic crimping and automatic replacement of the probe, and recording of the service life of the probe, so that synchronizing the local model information of the master controller to the probe controller can ensure the accuracy of replacing the probe card when executing a probe card replacement command.

In the screen detection method provided by the embodiment of the application, the master control machine sends the current local machine type information to each slave control machine, and each slave control machine is instructed to update the local machine type information stored in each slave control machine; if the local model information of the master control machine and each slave control machine is synchronously completed, the master control machine responds to the zero returning instruction to perform self zero returning operation, sends the zero returning instruction to the target slave control machines in the plurality of slave control machines and instructs the target slave control machines to perform zero returning operation. In the method, the model information of the master control machine is synchronized to the slave control machines, and the model names in the model information correspond to different detection screens, so the model names of the master control machine and the multiple slave control machines are required to be consistent, the model names are synchronized to the slave control machines from the master control machine, the manual model switching work is omitted, the safety and the stability of the detection equipment are ensured, the zero returning operation is performed on the target slave control machines in the master control machine and the slave control machines in the slave control machines, and the stability of the detection screens is improved.

In one embodiment, as shown in fig. 5, the master control machine detects the bad point information on the screen to be detected through a plurality of slave control machines, and includes the following steps:

s501, the main control computer obtains the model identification of the screen to be detected according to the incoming material signal, and detects the consistency of the model identification and the prestored model identification in the local model information of the main control computer.

The present embodiment exemplifies a plurality of slave controllers including a probe controller, an optical controller, and an inspection controller. After detecting that the screen detection equipment meets the automatic operation condition, the upstream equipment can send an incoming material signal to the main control computer, wherein the incoming material signal comprises working data (JobData) information, and the JobData information comprises a model identification of the screen to be detected and the like. And the main control computer acquires the model identification of the screen to be detected from the JobData information according to the JobData information in the incoming material signal.

And detecting whether the model identification of the screen to be detected is consistent with the prestored model identification in the local model information in the main control machine or not according to the obtained model identification of the screen to be detected.

And S502, if the model identification of the screen to be detected is inconsistent with the pre-stored model identification, the main control computer executes probe card replacement operation on the probe card on the screen detection equipment through the probe control machine.

If the model identification of the screen to be detected is inconsistent with the pre-stored model identification, the model identification of the screen to be detected and the model identification pre-stored in the main control computer can be different.

If the model identification of the screen to be detected is inconsistent with the pre-stored model identification, the main control computer executes the probe card replacement operation on the probe card on the screen detection equipment through the probe control machine, namely the main control computer executes the probe card replacement operation corresponding to the model identification of the screen detection equipment on the probe card on the screen detection equipment through the probe control machine.

And S503, if the model identification of the screen to be detected is consistent with the pre-stored model identification, the main control computer executes the alignment operation of the alignment platform on the screen detection equipment through the optical controller, and executes the alignment operation of the probe card through the probe controller.

And if the model identification of the screen to be detected is the same as the pre-stored model identification, determining that the model identification of the screen to be detected is the same as the pre-stored model identification.

The optical control machine has the functions of being responsible for optical alignment, infrared detection, optical (Review) detection, probe crimping monitoring and the like.

If the model identification of the screen to be detected is the same as the pre-stored model identification, the main control computer performs the alignment operation of the alignment platform on the screen detection equipment through the optical control machine, and a possible implementation manner for performing the alignment operation of the probe card through the probe control machine can be that the main control computer sends an alignment instruction to the optical control machine to instruct the optical control machine to control the alignment of the alignment platform, wherein the alignment platform is provided with the screen to be detected; and then the main control machine sends an alignment instruction of the probe card to the probe control machine and instructs the probe control machine to control the probe card to be aligned.

S504, if the probe card and the alignment platform are aligned, the main control computer controls the probe card to perform crimping operation on the screen to be detected through the probe control machine, and obtains information of bad points on the screen to be detected through the optical control machine and the inspection control machine according to the crimping operation.

The functions of the inspection control machine comprise detection of open circuit and short circuit of the internal circuit of the screen, data analysis and data uploading.

One possible implementation manner of the main control machine controlling the probe card to perform the crimping operation on the screen to be detected through the probe control machine and acquiring the information of the bad points on the screen to be detected according to the crimping operation through the optical control machine and the inspection control machine may be that the main control machine sends a crimping instruction to the probe control machine and instructs the probe control machine to control the probe card to crimp the screen to be detected so that the probe card is crimped to the screen to be detected, after the crimping operation is completed, the main control machine sends an instruction of acquiring the information of the bad points to the optical control machine and the inspection control machine, and after the optical control machine and the inspection control machine receive the instruction of acquiring the information of the bad points, the optical control machine and the inspection control machine acquire the information of the bad points on the screen to be detected according to the crimping operation.

According to the screen detection method provided by the embodiment of the application, the main control computer acquires the model identification of the screen to be detected according to the incoming material signal, and detects the consistency of the model identification and the prestored model identification in the local model information of the main control computer; if the model identification of the screen to be detected is inconsistent with the pre-stored model identification, the main control computer executes probe card replacement operation on a probe card on the screen detection equipment through the probe control machine; if the model identification of the screen to be detected is consistent with the pre-stored model identification, the main control computer executes the alignment operation of an alignment platform on the screen detection equipment through the optical control machine and executes the alignment operation of the probe card through the probe control machine; if the probe card and the alignment platform are aligned, the main control machine controls the probe card to perform crimping operation on the screen to be detected through the probe control machine, and acquires information of bad points on the screen to be detected according to the crimping operation through the optical control machine and the inspection control machine. In the method, a main control computer can execute probe card replacement operation, alignment operation and crimping operation on a probe card on screen detection equipment through a probe control machine, the main control computer can also execute the alignment operation of an alignment platform on the screen detection equipment through an optical control machine and acquire bad point information on a screen to be detected through the optical control machine and an inspection control machine, an upper computer of the screen detection equipment is divided into 4 control machines, each control machine executes different control functions, the coupling between the functions is reduced, the change of one function is realized, other functions are not influenced, the stability of the screen detection equipment is ensured, the integral control, the probe control, the optical control and the inspection machine of the screen detection equipment are separated, the functions are enabled to respond quickly, the feeling of jamming is avoided, and the interface function of each control machine is clear, the control is reasonable in layout, rich in prompt and convenient and fast to use, and the friendliness of the screen detection equipment is guaranteed.

In one embodiment, as shown in fig. 6, the main controller performs a probe card replacement operation on a probe card on the screen inspection apparatus through the probe controller, including the steps of:

s601, the main control computer controls a probe gantry on the screen detection equipment to move to a probe card replacement position on the screen detection equipment.

The probe gantry is a device on the screen detection equipment, a probe module is arranged on the probe gantry, and the probe is clamped in the probe module.

When the model identification of the screen to be detected is inconsistent with the pre-stored model identification, the main control computer controls the probe gantry on the screen detection equipment to move to the probe card replacement position on the screen detection equipment, and the purpose is to replace the probe card on the screen detection equipment.

S602, the main control computer sends a probe card replacing instruction carrying the seed name of the device to the probe control machine; the probe card replacing instruction is used for instructing the probe controller to replace the current probe card on the screen detection equipment with the probe card corresponding to the model name.

After the main controller controls the probe gantry on the screen detection equipment to move to a probe card replacement position on the screen detection equipment, the main controller sends a probe card replacement instruction to the probe controller, wherein the probe card replacement instruction comprises the model name of the screen to be detected.

And after the probe controller receives the probe card replacing command, the probe controller takes out the probe card corresponding to the machine name of the equipment to be detected from a storage bin of the screen detection equipment according to the received machine name, so that the probe card corresponding to the machine name is replaced into a probe module of the screen detection equipment.

Optionally, different machine names correspond to different probe cards.

According to the screen detection method provided by the embodiment of the application, the main control computer controls the probe gantry on the screen detection equipment to move to the probe card replacement position on the screen detection equipment; the main control machine sends a probe card replacing instruction carrying the seed name of the device to the probe control machine; the probe card replacing instruction is used for instructing the probe controller to replace the current probe card on the screen detection equipment with the probe card corresponding to the model name. In the method, the probe card is automatically switched by using the probe controller without any manual operation, and the probe card is fully automatically switched after the probe controller receives a replacement instruction of the probe card of the main control computer, so that the stability of the screen detection equipment is ensured.

In one embodiment, as shown in fig. 7, the main controller performs the alignment operation of the alignment platform on the screen inspection equipment through the optical controller, including the following steps:

and S701, the main control computer controls the probe gantry and the alignment platform on the screen detection equipment to move to an alignment position and sends an alignment instruction to the optical control machine.

The alignment instruction is used for indicating the optical controller to control the alignment camera to acquire an image of an alignment position and acquiring an alignment deviation value according to the image of the alignment position.

After the main control machine performs probe card replacement operation on a probe card on the screen detection equipment through the probe control machine, the probe card can automatically move to a position to be detected of the screen detection equipment, the main control machine controls a probe gantry and an alignment platform of the screen detection equipment to move to an alignment position of the screen detection equipment, then the main control machine sends an alignment instruction to the optical control machine, and after the optical control machine receives the alignment instruction, the alignment camera on the probe gantry is controlled to photograph the alignment position, so that an image of the alignment position is obtained.

In one embodiment, the optical controller may obtain the misalignment offset value by calling a misalignment algorithm based on the image of the misalignment position and a pre-stored reference image of the misalignment position, using the image of the misalignment position and the pre-stored reference image of the misalignment position as inputs of the misalignment algorithm, and running the misalignment algorithm.

And S702, the main control computer receives the alignment deviation value sent by the optical control computer.

Optionally, the master controller may send a signal for acquiring the offset value to the optical controller, and the optical controller sends the signal for acquiring the offset value to the master controller after receiving the signal for acquiring the offset value; or, after the optical controller obtains the alignment deviation value, the optical controller directly sends the alignment deviation value to the main control computer, so that the main control computer receives the alignment deviation value sent by the optical controller.

And S703, the main control computer controls the alignment platform to perform alignment operation according to the alignment deviation value.

And after receiving the alignment deviation value, the main control machine controls the alignment platform to perform deviation movement according to the alignment deviation value, so that the alignment platform and the alignment position are aligned.

The main control machine controls the alignment platform to move according to the alignment deviation value, and the moving direction comprises an X-axis direction and a rotating direction.

According to the screen detection method provided by the embodiment of the application, the main control computer controls the probe gantry and the alignment platform on the screen detection equipment to move to the alignment position and sends an alignment instruction to the optical control machine; the alignment instruction is used for indicating the optical controller to control the alignment camera to acquire an image of an alignment position and acquiring an alignment deviation value according to the image of the alignment position; the main control machine receives the alignment deviation value sent by the optical control machine; and the main control machine controls the alignment platform to perform alignment operation according to the alignment deviation value. In the method, the optical control machine is used for obtaining the alignment deviation value, then the optical control machine sends the alignment deviation value to the main control machine, the main control machine controls the alignment platform to perform alignment operation according to the alignment deviation value, different functions of the main control machine and the optical control machine are used for controlling the screen detection equipment, the coupling between the functions is reduced, and therefore the stability of the screen detection equipment is guaranteed.

In one embodiment, the probe card aligning operation is performed by a probe controller, including: and the main control machine sends the Y-direction deviation value on the alignment deviation value to the probe control machine, and the probe control machine is instructed to control the probe card to move according to the Y-direction deviation value so as to perform alignment operation of the probe card.

The main control machine sends the Y-direction offset value to the probe control machine, the probe control machine controls the probe card to move the Y-direction offset value according to the received Y-direction offset value, for example, the Y-direction offset value is +5, and the probe control machine controls the probe card to move +5 in the Y direction.

In one embodiment, the main controller controls the probe card to perform a crimping operation on the screen to be tested through the probe controller, and the crimping operation includes: the main controller controls the probe gantry on the screen detection equipment to move to the crimping position of the screen to be detected and sends a crimping instruction to the probe controller.

And the crimping instruction is used for instructing the probe controller to control the probe card to execute crimping operation on the screen to be detected.

When the main control machine executes the alignment operation of the alignment platform on the screen detection equipment through the optical control machine and executes the alignment operation of the probe card through the probe control machine, the main control machine controls the probe card to execute the crimping operation on the screen to be detected through the probe control machine, specifically, the main control machine controls a probe gantry of the screen detection equipment to move to the crimping position of the screen to be detected, then the main control machine sends a crimping instruction to the probe control machine, and the probe control machine controls the probe card to execute the crimping operation on the screen to be detected after receiving the crimping instruction.

The purpose of performing the crimping operation on the screen to be detected by using the probe card is to connect the probe card with the equipment to be detected.

In the foregoing embodiment, a detailed description is given of the main control computer controlling the probe gantry on the screen detecting apparatus to move to the crimping position of the screen to be detected and sending the crimping instruction to the probe controller, and when the main control computer sends the crimping instruction to the probe controller, the main control computer also controls the monitoring camera to move above the probe card, which is described in detail below by an embodiment, where the embodiment includes: the main controller controls a monitoring camera on the screen detection equipment to move to the position above the probe card and sends a real-time monitoring instruction to the optical controller; the real-time monitoring instruction is used for indicating the optical controller to control the monitoring camera to open a real-time mode, and the real-time mode is used for monitoring the operation process of the probe card in pressing connection with the screen to be detected.

The main control machine screen detection equipment comprises a monitoring gantry, and the monitoring gantry comprises a monitoring camera, so that the monitoring camera on the main control machine screen detection equipment is moved to the position above the probe card, namely, the monitoring gantry on the main control machine screen detection equipment is moved to the position above the probe card.

When the main control machine controls the monitoring camera on the screen detection equipment to move to the position above the probe card, the main control machine sends a real-time monitoring instruction to the optical control machine, the optical control machine controls the monitoring camera to open a real-time mode, and the crimping condition of the probe card on the screen to be detected can be monitored through the real-time mode of the monitoring camera.

In one embodiment, as shown in fig. 8, the step of acquiring the information of the defective point on the screen to be detected according to the crimping operation by the optical controller and the inspection controller includes the steps of:

s801, the main control computer sends a detection instruction to the inspection control computer; the detection instruction is used for instructing the inspection control machine to control the inspection machine to send current to the screen to be detected, and determining a detection result of a bad point on the screen to be detected according to the current information in the screen to be detected.

In an embodiment, the main control computer detects an instruction to the inspection control machine, where the instruction may be a single-row inspection instruction, and the inspection control machine inspects the screen to be inspected in a row and a column, for example, there are 5 rows of screens to be inspected, and the inspection instruction instructs the inspection control machine to first control the inspection machine of the screen inspection device to send current to the 1 st row of the screen to be inspected through the probe card, the 1 st row of the screen is inspected, the 2 nd row of the screen is inspected automatically, and so on until the inspection of the screen to be inspected is completed.

The inspection machine is connected with the probe card, and the inspection machine can send current to the screen to be detected through the probe card.

Determining a bad point detection result on the screen to be detected according to the current information in the screen to be detected, wherein the bad point detection result can be determined in a mode that if a certain point of the screen to be detected is a bad point, a short circuit phenomenon occurs when current flows through the point, and therefore the bad point detection result on the screen to be detected is determined.

Alternatively, the defective dot detection result may include the number of defective dots, relative coordinates of the defective dots, and the like.

And S802, the main control computer receives the bad point detection result returned by the inspection control computer.

When the inspection control machine determines the detection result of the bad point of the screen to be detected, the inspection control machine sends the detection result of the bad point to the main control machine, and then the main control machine receives the detection result of the bad point of the screen to be detected.

And S803, if the bad point detection result indicates that the bad point exists on the screen to be detected, the main control computer acquires the bad point information on the screen to be detected through the optical control machine.

If the detection result of the bad point received by the main control machine is that the bad point exists on the screen to be detected, the main control machine sends a command for acquiring the information of the bad point to the optical control machine, and the optical control machine acquires the information of the bad point on the screen to be detected after receiving the command for acquiring the information of the bad point.

According to the screen detection method provided by the embodiment of the application, the main control computer sends a detection instruction to the inspection control computer; the detection instruction is used for instructing the inspection control machine to control the inspection machine to send current to the screen to be detected, and determining a detection result of a bad point on the screen to be detected according to the current information in the screen to be detected; the main control machine receives the bad point detection result returned by the inspection control machine; and if the bad point detection result indicates that the bad points exist on the screen to be detected, the main control computer acquires the bad point information on the screen to be detected through the optical control machine. According to the method, the inspection machine is controlled by the inspection control machine to send current to the screen to be detected, a bad point detection result on the screen to be detected is obtained, bad point information of the screen to be detected is further obtained through the optical control machine according to the bad point detection result, the bad point information of the screen to be detected is obtained through the mutual cooperation of different functions of the main control machine and the multiple slave machines, and the stability of the equipment to be detected is guaranteed.

In one embodiment, the main control computer obtains the information of the bad points on the screen to be detected through the optical control machine, and the method comprises the following steps: the main control machine controls an infrared camera on the screen detection equipment to move above a screen to be detected and sends a first photographing instruction to the optical control machine; the first photographing instruction is used for instructing the optical control machine to acquire an infrared image of the screen to be detected through the infrared camera, and determining the coordinate position of a bad point in the screen to be detected according to the infrared image to obtain the bad point information on the screen to be detected.

After the main control computer receives a bad point detection result returned by the inspection control computer, if a bad point exists on the screen to be detected, the main control computer controls the infrared camera on the screen detection equipment to move to the position right above the screen to be detected, and then sends a first photographing instruction to the optical control computer, the first photographing instruction instructs the optical control computer to control the infrared camera to photograph the screen to be detected, and an infrared image of the screen to be detected is determined.

Optionally, when the infrared camera takes a picture of the screen to be detected, the bad point may be different from the normal point, and emit white light.

According to the embodiment, the coordinate position of the bad point in the screen to be detected is determined according to the infrared image, and one possible implementation manner of obtaining the information of the bad point on the screen to be detected is that the infrared image is used as the input of a preset neural network model through the preset neural network model, and the coordinate position of the bad point in the screen to be detected and the information of the bad point are finally output through the training of the neural network model.

In one embodiment, the embodiment includes:

After the main control machine acquires information of bad points on the screen to be detected through the optical control machine, the main control machine controls the optical camera to move to the position right above the screen to be detected with the bad points, and then sends a second photographing instruction to the optical control machine, wherein the second photographing instruction is used for instructing the optical control machine to control the optical camera to photograph the screen to be detected so as to obtain images of the bad points in the screen to be detected.

In one embodiment, as shown in fig. 9, the automatic operation condition of the master control machine detection screen detection device includes:

and S901, the main control computer detects the alarm state, the parameter loading state and the safety door closing state of the screen detection equipment.

The alarm state can be the alarm state of a servo motor on the screen detection device, and specifically comprises the following steps: whether the servo motor exceeds a positive limit or a negative limit or not, whether the servo motor gives an alarm or not and whether an emergency stop switch is pressed down or not; the parameter loading state comprises configuration parameters, point location parameters and hardware connection parameters of the screen detection equipment; the safety door closing state comprises whether the loading is successfully closed or not.

And S902, if any one of the alarm state, the parameter loading state and the emergency exit closing state is abnormal, the main control computer determines that the screen detection equipment does not meet the automatic operation condition.

And if any one of the alarm state, the parameter loading state and the safety door closing state is abnormal, the main control computer determines that the screen detection equipment does not meet the automatic operation condition.

Optionally, if the screen detection device does not meet the automatic operation condition, the corresponding alarm information is removed, for example, if the alarm information is that the safety door is opened, the safety door needs to be closed, and if the alarm information is that the configuration parameter alarms, the configuration information is checked and the configuration information is configured correspondingly; and after the alarm information is removed, a detection starting instruction is restarted, namely a starting button of the main control computer is pressed, and the screen detection equipment is detected until the automatic operation condition is met.

And S903, if the alarm state, the parameter loading state and the safety door closing state are normal, the main control computer determines that the screen detection equipment meets the automatic operation condition.

If the alarm state, the parameter loading state and the safety door closing state are normal, the alarm state, the parameter loading state and the safety door closing state can indicate that the servo motor does not exceed the positive and negative limits, the servo motor does not give an alarm, the emergency stop switch is not pressed down, the configuration parameters of the screen detection equipment are successfully loaded, the point location parameters are successfully loaded, the hardware connection parameters are successfully loaded, and the loading is successfully closed, so that the main control computer determines that the screen detection equipment meets the automatic operation condition.

According to the screen detection method provided by the embodiment of the application, the main control computer detects the alarm state, the parameter loading state and the safety door closing state of the screen detection equipment, if any one of the alarm state, the parameter loading state and the safety door closing state is abnormal, the main control computer determines that the screen detection equipment does not meet the automatic operation condition, and if the alarm state, the parameter loading state and the safety door closing state are normal, the main control computer determines that the screen detection equipment meets the automatic operation condition. In the method, before the screen detection equipment automatically operates, the main control computer needs to detect whether the alarm state, the parameter loading state and the safety door closing state of the screen detection equipment are abnormal or not, if the alarm state, the parameter loading state and the safety door closing state are abnormal, the automatic operation condition is not met, and the operation safety and the operation stability of the screen detection equipment are ensured.

An embodiment of the present invention provides a system control diagram of the screen inspection method, and as shown in fig. 10, the system control diagram describes a software control part of the earth star upper computer system, and the system control diagram is controlled by 4 PCs, namely, a master controller (stagecpc/MasterPC), an optical controller (ReviewPC), a probe controller (ProbePC), and an inspection controller (tester PC). Wherein, the Master PC is a master control PC, the other 3 PCs are slaves, the master control PC communicates with the Cim host of the client to receive and report the production data information. The upper computer is divided into 4 PC software bars, a plurality of parameters are opened in each PC software, information such as names of the parameters can be modified, and a user can shield and start corresponding functions in a parameter modifying mode, so that the openness of the screen detection equipment is ensured.

In one embodiment, as shown in FIG. 11, FIG. 11 is a software control flow diagram of a screen detection method.

In one embodiment, as shown in fig. 12, the master controller is MsterPC software, the Probe controller is ProbePC, ReviewPC and tester pc, the Probe gantry is Probe gantry, the monitoring camera is contact camera, the infrared camera is IR camera, and the optical camera is Review camera, which includes:

s1201, automatically monitoring the connection state of the slave after MsterPC is started, and automatically connecting the MasterPC after the slave software is started;

wherein if the MasterPC is not connected, the slave tries to connect until the connection is successful.

And S1202, after the slave is connected with the MasterPC, the MasterPC sends the local time, the user name and the machine type name to the slave, and the slave automatically updates the local time, the machine type and the user name after receiving the local time, the user name and the machine type name.

The synchronous machine type is very important, because the software parameters are stored in the local PC by the machine type name, different products correspond to different machine types, and therefore all the PCs must ensure the machine type to be consistent. The MasterPC machine type is sent by the client Cim system, and when each client makes a product, Cim sends the machine type name of the current product to the MasterPC, and then the MasterPC synchronizes the machine type names to all the slaves.

S1203, after synchronization is completed, clicking a zero-returning button on the MasterPC, after the zero-returning button is pressed, the MasterPC starts to return to zero, meanwhile, the MasterPC sends a zero-returning instruction to the ProbePC, and the ProbePC synchronously starts to return to zero.

S1204, after zeroing is finished, clicking a start button on the MasterPC, detecting whether the equipment has an alarm or not, whether the parameters are loaded successfully or not and whether the safety door is closed or not by the MasterPC, if one of the parameters is not satisfied, giving a corresponding alarm prompt by the MasterPC, and after the alarm is relieved according to the alarm prompt, clicking the start button again until the automatic operation conditions of the equipment are satisfied, automatically operating the alignment platform to a feeding and discharging position and waiting for the upstream manipulator to receive materials.

S1205, when the MasterPC monitors an upstream incoming material signal, the access control is started, the liquid crystal module to be detected is carried to the contraposition platform of the client by the mechanical handle of the upstream equipment, then the MasterPC checks JobData information sent by the upstream, when the model name is inconsistent with the current model of the MasterPC, the MasterPC controls the Probe gantry to move to the automatic replacement position of the Probe card, then the MasterPC sends an automatic replacement instruction of the Probe card to the Probe PC, and the Probe PC takes out the Probe card of the corresponding model from the bin according to the received model name and starts to be automatically replaced.

The JobData information is the JobData information carried by the upstream equipment when sending the incoming material signal.

And S1206, after the Probe card is replaced by the Probe PC, the probe automatically moves to the detection position, then the MasterPC controls the gantry and the platform to move to the alignment position, and the MasterPC sends an alignment instruction to the ReviewPC. The ReviewPC controls the alignment camera to photograph, then an algorithm is called to calculate an alignment deviation value, the deviation value is sent to the MasterPC, the MasterPC controls the platform to align, meanwhile, the deviation value in the Y direction is sent to the ProbePC, and the ProbePC controls the probe to move the received deviation value.

S1207, after the alignment is completed, the MasterPC controls the gantry to move to the glass crimping position, then sends a crimping instruction to the Probe, the Probe controls the probe to be crimped, meanwhile, the IR gantry moves to the position above the probe, the MasterPC sends a real-time monitoring instruction to the ReviewPC, and the ReviewPC controls the Contact camera to open a real-time mode and monitors the probe crimping condition.

And S1208, after the crimping is finished, the MasterPC sends a single-row detection instruction to the tester PC, the tester PC controls the inspection machine to send current to the liquid crystal module to be detected, bad points are searched, and the detection result is returned to the MasterPC.

S1209, after the detection of the whole glass single column is finished, if a certain Panel of a certain column has a bad point, the MasterPC controls the IR camera to move to the position right above the Panel, then an IR camera photographing instruction is sent to the ReviewPC, the ReviewPC controls the IR camera to photograph, then an algorithm is called to find out the coordinate of the bad point and returns the coordinate to the MasterPC, the MasterPC records the coordinate of the bad point, and meanwhile the coordinate is sent to the TesterPC.

Wherein Panel is a sub-module of the liquid crystal module to be detected.

S1210, after the IR camera finds the coordinates of the bad points of all the bad panels, the MasterPC controls the Review camera to move to the position above the Panel with the bad points, a photographing instruction of the Review camera is sent to the Review PC, the Review PC controls the Review camera to photograph, the bad points are photographed, and the picture is stored locally.

It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.

Based on the same inventive concept, the embodiment of the application also provides a screen detection device for realizing the screen detection method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme recorded in the method, so the specific limitations in one or more embodiments of the screen detection device provided below can be referred to the limitations of the screen detection method in the above, and are not described herein again.

In one embodiment, as shown in fig. 13, there is provided a screen detecting apparatus 1300 including: a response module 1301, a receiving module 1302, and a detection module 1303, wherein:

a response module 1301, configured to detect an automatic operation condition of the screen detection apparatus in response to the detection start instruction;

a receiving module 1302, configured to receive a feeding signal if the screen detecting apparatus meets an automatic operation condition; the incoming material signal indicates that a screen to be detected is placed on the screen detection equipment;

the detection module 1303 is used for detecting the information of the bad points on the screen to be detected through a plurality of slave control machines;

In one embodiment, the apparatus 1300 further comprises:

the connection module is used for executing connection operation with each slave control machine before detecting the automatic operation condition of the screen detection equipment;

the execution module is used for executing the operation of local model information synchronization and the data zero returning operation with each slave control machine if the connection with each slave control machine is successful; the local model information at least comprises local time, user name and model name.

In one embodiment, the execution module includes:

the first indicating unit is used for sending the current local model information to each slave control machine and indicating each slave control machine to update the local model information stored in the slave control machine;

and the second indicating unit is used for responding to the zero returning instruction to carry out self zero returning operation if the synchronization with the local model information of each slave control machine is completed, sending the zero returning instruction to the target slave control machines in the slave control machines and indicating the target slave control machines to carry out zero returning operation.

In one embodiment, the detection module 1303 includes:

the acquisition unit is used for acquiring the model identification of the screen to be detected according to the incoming material signal and detecting the consistency of the model identification and the prestored model identification in the local model information;

the replacing unit is used for executing probe card replacing operation on a probe card on the screen detection equipment through the probe controller if the model identification of the screen to be detected is inconsistent with the pre-stored model identification;

the alignment unit is used for executing the alignment operation of an alignment platform on the screen detection equipment through an optical controller and executing the alignment operation of a probe card through a probe controller if the model identification of the screen to be detected is consistent with the pre-stored model identification;

and the first detection unit is used for controlling the probe card to execute crimping operation on the screen to be detected through the probe controller if the probe card and the alignment platform are aligned, and acquiring information of bad points on the screen to be detected through the optical controller and the inspection controller according to the crimping operation.

In one embodiment, the replacement unit comprises:

the moving subunit is used for controlling the probe gantry on the screen detection equipment to move to a probe card replacing position on the screen detection equipment;

the replacing subunit is used for sending a probe card replacing instruction carrying the seed name of the device to the probe controller; the probe card replacing instruction is used for instructing the probe controller to replace the current probe card on the screen detection equipment with the probe card corresponding to the model name.

In one embodiment, the alignment unit includes:

the first acquisition subunit is used for controlling the probe gantry and the alignment platform on the screen detection equipment to move to an alignment position and sending an alignment instruction to the optical controller; the alignment instruction is used for indicating the optical controller to control the alignment camera to acquire an image of an alignment position and acquiring an alignment deviation value according to the image of the alignment position;

the first sending subunit is used for receiving the alignment deviation value sent by the optical controller;

and the first alignment subunit is used for controlling the alignment platform to perform alignment operation according to the alignment deviation value.

In one embodiment, the alignment unit includes:

and the second alignment subunit is used for sending the offset value in the Y direction on the alignment offset value to the probe controller and instructing the probe controller to control the probe card to move according to the offset value in the Y direction so as to perform the alignment operation of the probe card.

In one embodiment, the detection unit includes:

the pressure welding subunit is used for controlling the probe gantry on the screen detection equipment to move to a pressure welding position of the screen to be detected and sending a pressure welding instruction to the probe controller; and the crimping instruction is used for instructing the probe controller to control the probe card to execute crimping operation on the screen to be detected.

In one embodiment, the apparatus 1300 further comprises:

the monitoring module is used for controlling a monitoring camera on the screen detection equipment to move to the position above the probe card and sending a real-time monitoring instruction to the optical controller; the real-time monitoring instruction is used for indicating the optical controller to control the monitoring camera to open a real-time mode, and the real-time mode is used for monitoring the operation process of the probe card in pressing connection with the screen to be detected.

In one embodiment, a detection unit includes:

the second sending subunit is used for sending a detection instruction to the inspection controller; the detection instruction is used for instructing the inspection control machine to control the inspection machine to send current to the screen to be detected, and determining a detection result of a bad point on the screen to be detected according to the current information in the screen to be detected;

the return subunit is used for receiving the bad point detection result returned by the inspection controller;

and the second acquisition subunit is used for acquiring the information of the bad points on the screen to be detected through the optical controller if the detection result of the bad points indicates that the bad points exist on the screen to be detected.

In one embodiment, the second acquisition subunit includes:

the obtaining subunit is used for controlling an infrared camera on the screen detection equipment to move to the position above a screen to be detected and sending a first photographing instruction to the optical controller; the first photographing instruction is used for instructing the optical control machine to acquire an infrared image of the screen to be detected through the infrared camera, and determining the coordinate position of a bad point in the screen to be detected according to the infrared image to obtain the bad point information on the screen to be detected.

In one embodiment, the apparatus 1300 further comprises:

the acquisition module is used for controlling the optical camera on the screen detection equipment to move to the position above the screen to be detected and sending a second photographing instruction to the optical controller; and the second photographing instruction is used for instructing the optical control machine to acquire the image of the bad point in the screen to be detected through the optical camera.

In one embodiment, response module 1301 includes:

the second detection unit is used for detecting the alarm state, the parameter loading state and the safety door closing state of the screen detection equipment;

the main control computer is used for determining that the screen detection equipment does not meet the automatic operation condition if any one of the alarm state, the parameter loading state and the safety door closing state is abnormal;

and the satisfaction unit is used for determining that the screen detection equipment meets the automatic operation condition by the main control computer if the alarm state, the parameter loading state and the safety door closing state are normal.

The modules in the screen detection device can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.

In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 14. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement a screen detection method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.

Those skilled in the art will appreciate that the architecture shown in fig. 14 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.

In one embodiment, a computer device is further provided, which includes a memory and a processor, the memory stores a computer program, and the processor implements the steps of the above method embodiments when executing the computer program.

In an embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.

In an embodiment, a computer program product is provided, comprising a computer program which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.

It should be noted that, the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data for analysis, stored data, presented data, etc.) referred to in the present application are information and data authorized by the user or sufficiently authorized by each party.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high-density embedded nonvolatile Memory, resistive Random Access Memory (ReRAM), Magnetic Random Access Memory (MRAM), Ferroelectric Random Access Memory (FRAM), Phase Change Memory (PCM), graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing based data processing logic devices, etc., without limitation.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims

1. A method for screen inspection, the method comprising:

if the screen detection equipment meets the automatic operation condition, the main control computer receives a material incoming signal; the incoming material signal represents that a screen to be detected is placed on the screen detection equipment;

the master control machine detects the bad point information on the screen to be detected through a plurality of slave control machines; and each slave control machine is in a connection state with the master control machine, and the corresponding control functions of each slave control machine in the process of detecting the bad point information on the screen to be detected are different.

2. The method of claim 1, further comprising:

3. The method of claim 2 wherein said master controller performs operations of local model information synchronization with each of said slave controllers and data zeroing operations, comprising:

the master control machine sends current local machine type information to each slave control machine, and each slave control machine is instructed to update the local machine type information stored in the slave control machine;

and if the local model information of the master control machine and each slave control machine is synchronously completed, the master control machine responds to a zero returning instruction to perform self zero returning operation, and sends the zero returning instruction to a target slave control machine in the plurality of slave control machines to instruct the target slave control machine to perform zero returning operation.

4. The method of any of claims 1 to 3, wherein the plurality of slave controllers comprises a probe controller, an optical controller, and an inspection controller; the main control machine detects the bad point information on the screen to be detected through a plurality of slave control machines, and the method comprises the following steps:

if the model identification of the screen to be detected is inconsistent with the prestored model identification, the main control computer executes probe card replacement operation on a probe card on the screen detection equipment through the probe control machine;

if the probe card and the aligning platform are aligned, the main control machine controls the probe card to perform crimping operation on the screen to be detected through the probe control machine, and acquires information of bad points on the screen to be detected according to the crimping operation through the optical control machine and the inspection control machine.

5. The method of claim 4, wherein the main controller performs a probe card replacement operation on the probe card on the screen inspection apparatus through the probe controller, comprising:

the main controller controls the probe gantry on the screen detection equipment to move to a probe card replacement position on the screen detection equipment;

the main control machine sends a probe card replacing instruction carrying a machine seed name to the probe control machine; the probe card replacing instruction is used for instructing the probe controller to replace the current probe card on the screen detection equipment with the probe card corresponding to the machine type name.

6. The method of claim 4, wherein the master controller performs the alignment operation of the alignment platform on the screen inspection equipment through the optical controller, and the method comprises the following steps:

the main controller controls the probe gantry and the alignment platform on the screen detection equipment to move to an alignment position and sends an alignment instruction to the optical controller; the alignment instruction is used for indicating the optical controller to control the alignment camera to collect the image of the alignment position and acquiring an alignment deviation value according to the image of the alignment position;

7. The method of claim 6, wherein the performing, by the probe controller, the probe card registration operation comprises:

and the main control machine sends the deviation value of the Y direction on the deviation value of the alignment to the probe control machine, and the probe control machine is instructed to control the probe card to move according to the deviation value of the Y direction so as to perform the alignment operation of the probe card.

8. The method of claim 4, wherein the main controller controls the probe card to perform a crimping operation on the screen to be tested through the probe controller, and the crimping operation comprises:

the main controller controls the probe gantry on the screen detection equipment to move to the crimping position of the screen to be detected and sends a crimping instruction to the probe controller; and the crimping instruction is used for indicating the probe controller to control the probe card to carry out crimping operation on the screen to be detected.

9. The method of claim 8, further comprising:

the main controller controls a monitoring camera on the screen detection equipment to move above the probe card and sends a real-time monitoring instruction to the optical controller; the real-time monitoring instruction is used for indicating the optical controller to control the monitoring camera to open a real-time mode, and the real-time mode is used for monitoring the operation process of the probe card in pressing connection with the screen to be detected.

10. The method according to claim 4, wherein the acquiring, by the optical controller and the inspection controller, the information on the defective dot on the screen to be detected according to the crimping operation includes:

the main control computer sends a detection instruction to the inspection control computer; the detection instruction is used for instructing the inspection control machine to control the inspection machine to send current to the screen to be detected, and determining a detection result of a bad point on the screen to be detected according to the current information in the screen to be detected;

the main control machine receives a bad point detection result returned by the inspection control machine;

and if the bad point detection result indicates that the bad point exists on the screen to be detected, the main control computer acquires the bad point information on the screen to be detected through the optical control machine.

11. The method according to claim 10, wherein the master controller obtains the information of the bad point on the screen to be detected through the optical controller, and the method comprises the following steps:

the main controller controls an infrared camera on the screen detection equipment to move above the screen to be detected and sends a first photographing instruction to the optical controller; the first photographing instruction is used for instructing the optical control machine to acquire the infrared image of the screen to be detected through the infrared camera, and determining the coordinate position of the bad point in the screen to be detected according to the infrared image to obtain the bad point information on the screen to be detected.

12. The method of claim 11, further comprising:

the main controller controls an optical camera on the screen detection equipment to move above the screen to be detected and sends a second photographing instruction to the optical controller; and the second photographing instruction is used for instructing the optical control machine to collect the image of the bad point in the screen to be detected through the optical camera.

13. The method of any one of claims 1 to 3, wherein the master control machine detecting the automatic operating condition of the screen detection device comprises:

and if the alarm state, the parameter loading state and the safety door closing state are normal, the main control computer determines that the screen detection equipment meets the automatic operation condition.

14. A screen detecting apparatus, characterized in that the apparatus comprises:

the receiving module is used for receiving a material receiving signal by the main control computer if the screen detection equipment meets the automatic operation condition; the incoming material signal represents that a screen to be detected is placed on the screen detection equipment;

the detection module is used for detecting the bad point information on the screen to be detected by the master control machine through the plurality of slave control machines; and each slave control machine is in a connection state with the master control machine, and the corresponding control functions of each slave control machine in the process of detecting the bad point information on the screen to be detected are different.