阅读说明：本技术 显示面板的撕膜方法及装置、撕膜控制设备 (Film tearing method and device for display panel and film tearing control equipment ) 是由 王欣 刘其剑 彭永红 黄静夷 李浪 张秀峰 李卫华 于 2019-11-12 设计创作，主要内容包括：本发明公开了一种显示面板的撕膜方法及装置、撕膜控制设备。其中,该方法包括：移动待撕膜的目标显示面板到达撕膜点,其中,目标显示面板上携带有保护膜；控制携带有胶卷的气缸向撕膜点移动,以使胶卷粘住目标显示面板上的保护膜；分离目标显示面板上的保护膜,完成撕膜任务。本发明解决了相关技术中采用人工撕膜时,存在生产效率低且人工劳动强度大的技术问题。(The invention discloses a method and a device for tearing films of display panels and film tearing control equipment, wherein the method comprises the steps of moving a target display panel to be torn to reach a film tearing point, wherein a protective film is carried on the target display panel, controlling an air cylinder carrying a film to move towards the film tearing point so that the film sticks to the protective film on the target display panel, and separating the protective film on the target display panel to finish a film tearing task.)

The film tearing method for the display panel of the types, which is characterized by comprising the following steps:

moving a target display panel to be subjected to film tearing to reach a film tearing point, wherein a protective film is carried on the target display panel;

controlling an air cylinder carrying film to move towards the film tearing point so that the film sticks to a protective film on the target display panel;

and separating the protective film on the target display panel to finish the film tearing task.

2. The film tearing method according to claim 1, wherein the step of moving the target display panel to be torn to the film tearing point comprises:

obtaining the target display panel from a material taking point;

receiving a panel-in-place signal, wherein the panel-in-place signal is used for indicating that the target display panel reaches an initial moving position;

and controlling an th servo motor to move the target display panel carrying the protective film to the film tearing point.

3. The film peeling method according to claim 1, wherein the step of controlling the air cylinder carrying the film to move toward the peeling point so that the film sticks to the protective film on the target display panel comprises:

sending th control signal to a cylinder carrying film, wherein the th control signal is used for controlling the cylinder to execute a downward pressing action or an upward pressing action so as to move to the film tearing point;

controlling the film to reach an initial contact point to contact the film with a display wafer on the target display panel;

and controlling the film to be unwound so that the film sticks to the protective film on the target display panel.

4. The film tearing method according to claim 3, wherein the step of controlling unwinding of the film to stick the film to the protective film on the target display panel comprises:

receiving the film bonding length information sent by an encoder, wherein the film bonding length information is used for indicating the encoder to generate length information of a length of the film to be released after the encoder measures the area of the target display panel;

controlling a moving length of the film based on the film adhesion length information to allow the film to adhere to a protective film on the target display panel.

5. The film tearing method according to claim 1, wherein the step of separating the protective film on the target display panel to complete the film tearing task comprises:

judging whether the film is bonded with the display wafer of the target display panel or not;

and if the adhesion is finished, controlling a second servo motor to roll so as to separate the protective film from the target display panel and finish the film tearing task.

6. The film tearing method according to claim 1, wherein after the film tearing task is completed, the film tearing method further comprises:

sending a second control signal to an air cylinder carrying film, wherein the second control signal is used for controlling the air cylinder to execute ascending action or descending action so as to separate a display wafer on the target display panel from the film;

and controlling an th servo motor to move the stripped target display panel to a preset storage tank.

7. The film tearing method according to claim 1, wherein after the film tearing task is completed, the film tearing method further comprises:

controlling a sensing detection module to detect whether the protective film on the target display panel is successfully separated, wherein the sensing detection module at least comprises: an optical fiber sensor;

and if the separation is not successful, sending a failure alarm prompt signal.

8. The film tearing method according to any of claims 1-7, wherein the display panel is a liquid crystal panel and the protective film is a plastic film.

9, A display panel's dyestripping device, its characterized in that includes:

the moving unit is used for moving a target display panel to be subjected to film tearing to reach a film tearing point, wherein the target display panel is provided with a protective film;

the control unit is used for controlling the air cylinder carrying the film to move towards the film tearing point so as to enable the film to be stuck on the protective film on the target display panel;

and the separation unit is used for separating the protective film on the target display panel to complete the film tearing task.

10, A tear film control apparatus, comprising:

a processor; and

a memory for storing executable instructions of the processor;

wherein the processor is configured to perform the method of tearing a display panel of any of claims 1-8 via execution of the executable instructions.

Technical Field

The invention relates to the technical field of display equipment production, in particular to a film tearing method and device for display panels and film tearing control equipment.

Background

Disclosure of Invention

The embodiment of the invention provides display panel film tearing methods and devices and film tearing control equipment, which are used for at least solving the technical problems of low production efficiency and high manual labor intensity when manual film tearing is adopted in the related technology.

According to aspects of the embodiment of the invention, the film tearing method of display panels comprises the steps of moving a target display panel to be torn to a film tearing point, controlling an air cylinder carrying a film to move towards the film tearing point so that the film sticks to a protective film on the target display panel, and separating the protective film on the target display panel to finish a film tearing task.

Optionally, the step of moving the target display panel to be subjected to film tearing to reach the film tearing point comprises the steps of obtaining the target display panel from a material taking point, receiving a panel in-place signal, wherein the panel in-place signal is used for indicating the target display panel to reach an initial moving position, and controlling an th servo motor to move the target display panel with a protective film to the film tearing point.

Optionally, the step of controlling the air cylinder carrying the film to move to the film tearing point so that the film sticks to the protective film on the target display panel comprises sending th control signals to the air cylinder carrying the film, wherein the th control signals are used for controlling the air cylinder to perform a pressing-down action or a pressing-up action so as to move to the film tearing point, controlling the film to reach an initial contact point so that the film contacts with the display wafer on the target display panel, and controlling the film to unreel so that the film sticks to the protective film on the target display panel.

Optionally, the step of controlling unwinding of the film to stick the film to the protective film on the target display panel includes: receiving the film bonding length information sent by an encoder, wherein the film bonding length information is used for indicating the encoder to generate length information of a length of the film to be released after the encoder measures the area of the target display panel; controlling a moving length of the film based on the film adhesion length information to allow the film to adhere to a protective film on the target display panel.

Optionally, the step of separating the protective film on the target display panel to complete the task of tearing the film comprises: judging whether the film is bonded with the display wafer of the target display panel or not; and if the adhesion is finished, controlling a second servo motor to roll so as to separate the protective film from the target display panel and finish the film tearing task.

Optionally, after the film tearing task is completed, the film tearing method further comprises the steps of sending a second control signal to an air cylinder carrying a film, wherein the second control signal is used for controlling the air cylinder to perform ascending action or descending action so as to enable a display wafer on the target display panel to be separated from the film, and controlling an th servo motor to move the target display panel after the film is removed to a preset storage tank.

Optionally, after the tearing task is completed, the tearing method further comprises the following steps: controlling a sensing detection module to detect whether the protective film on the target display panel is successfully separated, wherein the sensing detection module at least comprises: an optical fiber sensor; and if the separation is not successful, sending a failure alarm prompt signal.

Optionally, the display panel is a liquid crystal panel, and the protective film is a plastic film.

According to another aspect of the embodiment of the invention, the film tearing device for display panels comprises a moving unit, a control unit and a separating unit, wherein the moving unit is used for moving a target display panel to be torn to a film tearing point, a protective film is carried on the target display panel, the control unit is used for controlling an air cylinder carrying a film to move towards the film tearing point so that the film sticks to the protective film on the target display panel, and the separating unit is used for separating the protective film on the target display panel to complete a film tearing task.

Optionally, the moving unit comprises an th acquisition module for acquiring the target display panel from a material taking point, a th receiving module for receiving a panel in-place signal, wherein the panel in-place signal is used for indicating that the target display panel reaches an initial moving position, and a th control module for controlling a th servo motor to move the target display panel with a protective film to the film tearing point.

Optionally, the control unit comprises an th sending module for sending th control signals to a cylinder carrying film, wherein the th control signals are used for controlling the cylinder to execute a pressing-down action or a pressing-up action so as to move towards the film tearing point, a second control module for controlling the film to reach an initial contact point so as to contact the film with a display wafer on the target display panel, and a third control module for controlling the film to be unreeled so as to stick the film to a protective film on the target display panel.

Optionally, the third control module comprises an th receiving sub-module for receiving the information of the adhesive length of the film sent by the encoder, wherein the information of the adhesive length of the film is used for indicating the length information of the release length of the film generated by the encoder after the area of the target display panel is measured, and a th control sub-module for controlling the moving length of the film based on the information of the adhesive length of the film so that the film sticks to the protective film on the target display panel.

Optionally, the separation unit comprises an th judgment module for judging whether the film is adhered to the display wafer of the target display panel or not, and a fourth control module for controlling a second servo motor to wind when the adhesion is finished so as to separate the protective film from the target display panel and finish the film tearing task.

Optionally, the film tearing device for the display panel further comprises an sending unit for sending a second control signal to a cylinder carrying a film after the film tearing task is completed, wherein the second control signal is used for controlling the cylinder to perform an ascending action or a descending action so as to separate the display wafer on the target display panel from the film, and a fifth control module for controlling a servo motor to move the target display panel without the film to a preset storage tank.

Optionally, the film tearing device for the display panel further comprises: a sixth control module, configured to control the sensing detection module to detect whether the protective film on the target display panel is successfully separated after the task of tearing the film is completed, where the sensing detection module at least includes: an optical fiber sensor; and the second sending unit is used for sending a failure alarm prompt signal when the separation is not successful.

Optionally, the display panel is a liquid crystal panel, and the protective film is a plastic film.

According to another aspect of the embodiment of the present invention, there is also provided tear film control devices, including a processor and a memory for storing executable instructions of the processor, wherein the processor is configured to execute the tear film method of the display panel of any item above via execution of the executable instructions.

In the embodiment of the invention, the target display panel to be torn is moved to reach the film tearing point, wherein the target display panel is provided with the protective film, then the air cylinder carrying the film is controlled to move towards the film tearing point, so that the film sticks to the protective film on the target display panel, and finally the protective film on the target display panel can be separated, thereby completing the film tearing task. In the embodiment, the film tearing task can be completed by replacing manpower with machinery through an automatic process and adopting the film to unreel, so that the film is stuck on the protective film on the display panel, a good film tearing effect is achieved, the production efficiency is improved, and the production cost is reduced, thereby solving the technical problems of low production efficiency and high labor intensity of workers when the manual film tearing is adopted in the related technology.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and constitute a part of this application , illustrate embodiments of the invention and together with the description serve to explain the invention without limiting it.

FIG. 1 is a flow chart of a method for tearing alternative display panels according to an embodiment of the invention;

FIG. 2 is a flowchart of another alternative display panel peeling methods according to embodiments of the present invention;

fig. 3 is a schematic diagram of a film tearing apparatus for alternative display panels according to an embodiment of the present invention.

Detailed Description

For those skilled in the art to better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a partial embodiment of of the present invention, rather than a complete embodiment.

Furthermore, the terms "comprises" and "comprising," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a series of steps or elements of is not necessarily limited to the expressly listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In accordance with an embodiment of the present invention, there are provided embodiments of a method for tearing a display panel, it should be noted that the steps illustrated in the flowchart of the accompanying drawings may be performed in a computer system such as sets of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than here.

Fig. 1 is a flowchart of a tearing method of alternative display panels according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:

step S102, moving a target display panel to be subjected to film tearing to reach a film tearing point, wherein the target display panel is provided with a protective film;

step S104, controlling the air cylinder carrying the film to move to a film tearing point so that the film sticks to a protective film on the target display panel;

and S106, separating the protective film on the target display panel to complete the film tearing task.

Through the steps, the target display panel to be subjected to film tearing is moved to reach the film tearing point, wherein the target display panel is provided with the protective film, then the air cylinder carrying the film is controlled to move towards the film tearing point, so that the film sticks to the protective film on the target display panel, and finally the protective film on the target display panel can be separated, so that the film tearing task is completed. In the embodiment, the film tearing task can be completed by replacing manpower with machinery through an automatic process and adopting the film to unreel, so that the film is stuck on the protective film on the display panel, a good film tearing effect is achieved, the production efficiency is improved, and the production cost is reduced, thereby solving the technical problems of low production efficiency and high labor intensity of workers when the manual film tearing is adopted in the related technology.

The optional embodiment of the present invention may be applied to a film tearing task or a film tearing work of a display panel, where the display panel determines parameters of brightness, contrast, color, and the like of a display device, the display panel may be a liquid crystal panel (LCD for short, for example, a TN panel, a CPA panel, a VA panel such as MVA or PVA), and the protective film/adhesive film is a plastic film.

The following will explain the embodiments of the present invention in detail with reference to the above steps.

Step S102, moving a target display panel to be subjected to film tearing to reach a film tearing point, wherein the target display panel carries a protective film.

As an optional embodiment of the invention, the step of moving the target display panel to be subjected to film tearing to reach the film tearing point comprises the steps of obtaining the target display panel from the material taking point, receiving a panel in-place signal, wherein the panel in-place signal is used for indicating the target display panel to reach an initial moving position, and controlling an th servo motor to move the target display panel with the protective film to the film tearing point.

In the embodiment of the invention, an in-place sensing module can be arranged at the position of the film tearing point, the in-place sensor is used for detecting whether the display wafer reaches the film tearing point, if so, in-place signals are given, and then unwinding operation of the next steps is carried out.

And step S104, controlling the air cylinder carrying the film to move to the film tearing point so that the film sticks to the protective film on the target display panel.

The step of optionally controlling the air cylinder carrying the film to move to the film tearing point so that the film sticks to the protective film on the target display panel comprises the steps of sending th control signals to the air cylinder carrying the film, wherein th control signals are used for controlling the air cylinder to execute a pressing-down action or a pressing-up action so as to move to the film tearing point, controlling the film to reach an initial contact point so that the film contacts with the display wafer on the target display panel, and controlling the film to unreel so that the film sticks to the protective film on the target display panel.

The air cylinder can be any air cylinder, for example, a material sucking air cylinder, a th control signal can be sent out through a single chip microcomputer, a PLC and the like, so that the air cylinder acts and presses downwards, the display wafer can be in contact bonding with the film, after the contact bonding between the display wafer and the film is completed, the unwinding action can be executed, and the film can be adhered to a protective film (which can be understood by a plastic film) on the display panel.

In an embodiment of the present invention, the step of controlling unwinding of the film to adhere the film to the protective film on the target display panel includes: receiving the film bonding length information sent by the encoder, wherein the film bonding length information is used for indicating the length information of the release length of the generated film after the encoder measures the area of the target display panel; based on the film adhesion length information, the moving length of the film is controlled so that the film adheres to the protective film on the target display panel.

In the embodiment of the invention, the film can be moved by a proper length by the action of the material receiving servo motor and the cooperation of the encoder, so that the film unwinding is completed. Therefore, the film can be fully adhered to the protective film, and the subsequent separation work of the protective film is facilitated.

And S106, separating the protective film on the target display panel to complete the film tearing task.

As an alternative embodiment of the present invention, the step of separating the protective film on the target display panel to complete the task of tearing the film comprises: judging whether the film is bonded with the display wafer of the target display panel or not; and if the adhesion is finished, controlling the second servo motor to roll so as to separate the protective film from the target display panel and finish the film tearing task.

In the embodiment of the invention, the protective film on the display panel can be separated from the display panel through servo rolling, so that the film tearing task is completed.

In another embodiments of the present invention, after completing the film tearing task, the film tearing method further comprises sending a second control signal to the air cylinder carrying the film, wherein the second control signal is used to control the air cylinder to perform an ascending operation or a descending operation to separate the display wafer on the target display panel from the film, and controlling the th servo motor to move the target display panel without the film to the predetermined storage tank.

After the film tearing can be completed, control signals are sent by control components such as a single chip microcomputer and a PLC to enable the air cylinder (such as a material sucking air cylinder) to act, so that the display wafer is separated from the film, and then the servo motor (transfer) moves the film-removed display panel or the display wafer to the storage tank.

In an alternative embodiment of the present invention, after completing the film tearing task, the film tearing method further includes: controlling the sensing detection module to detect whether the protective film on the target display panel is successfully separated, wherein the sensing detection module at least comprises: an optical fiber sensor; and if the separation is not successful, sending a failure alarm prompt signal.

Taking an optical fiber sensor as an example, the optical fiber sensor is adopted to detect whether the film tearing task is completed, and if the film tearing is not completed successfully, an alarm is given.

By the embodiment, the film can be automatically unreeled and coiled by a servo device, the protective film on the display panel can be automatically separated, and by taking the liquid crystal panel as an example, the film can be unreeled to enable the film to be stuck on the plastic film on the liquid crystal panel, and the plastic film on the liquid crystal panel is separated from the liquid crystal panel through the servo coiling, so that the film tearing task is completed, the film tearing efficiency is improved, and the labor intensity of workers is reduced; and an optical fiber sensor can be adopted to automatically detect whether the film tearing task is finished, if the film tearing is not successful, an alarm can be given, the film tearing accuracy is improved, a good film tearing effect is achieved, and the film tearing device has the advantages of high positioning precision and high automation degree.

Fig. 2 is a flowchart of another alternative tearing methods for a display panel according to an embodiment of the present invention, the tearing method is applied to a liquid crystal panel, as shown in fig. 2, and the tearing method includes:

step S201, transferring the liquid crystal panel to a film tearing point; optionally, the film-carrying liquid crystal panel placed at the material taking point is moved to the position above the film tearing point by the transfer servo motor.

And S202, controlling the material sucking cylinder to descend, and optionally sending a control signal by the PLC to press the material sucking cylinder to enable the liquid crystal film and the film to be adhered .

Step S203, the material receiving servo motor acts; optionally, the material receiving servo motor acts and is matched with the encoder to enable the film to move for a proper length, and the film unwinding is completed.

Step S204, judging whether the film is released in place, if so, executing step S205, otherwise, executing step S203, sticking the film on the plastic film on the liquid crystal panel to move, separating the plastic film on the liquid crystal panel from the liquid crystal panel, and finishing the film tearing task

Step S205, judging whether the film tearing task is finished or not; if yes, step S206 is executed, and if not, an alarm prompt is sent out. Optionally, whether the film tearing task is completed is detected by the optical fiber sensor, and if the film tearing is not completed successfully, an alarm is given.

And step S206, controlling the material suction cylinder to ascend. Optionally, after the film is torn, the PLC sends a control signal to operate the air cylinder, so that the liquid crystal panel is separated from the film.

Step S207, transferring the liquid crystal panel to a storage tank. Optionally, the servo motor (transfer) moves the liquid crystal panel with the film removed to the storage tank.

By the film tearing method, the film can be unreeled to enable the film to be stuck on the plastic film on the liquid crystal panel, then the plastic film on the liquid crystal panel is separated from the liquid crystal panel through servo rolling, the film tearing task is completed, a good film tearing effect is achieved, through an automatic process, the mechanical replacement of manual work is achieved, the production efficiency is improved, and the production cost is reduced.

The present invention is further illustrated by alternative embodiments, in which the following embodiments describe a display panel tear tape apparatus comprising a plurality of cells, wherein the steps performed by the tear tape apparatus correspond to the steps performed in the previous embodiments.

Fig. 3 is a schematic view of a tear tape device of alternative display panels according to an embodiment of the present invention, which may include a moving unit 31, a control unit 33, and a separating unit 35, as shown in fig. 3, wherein,

the moving unit 31 is used for moving a target display panel to be subjected to film tearing to reach a film tearing point, wherein the target display panel is provided with a protective film;

a control unit 33 for controlling the air cylinder carrying the film to move to the film tearing point so that the film sticks to the protective film on the target display panel;

and the separation unit 35 is used for separating the protective film on the target display panel to complete the film tearing task.

The film tearing device of the display panel can move a target display panel to be torn through the moving unit 31 to reach a film tearing point, wherein a protective film is carried on the target display panel, then the control unit 33 controls the air cylinder carrying the film to move towards the film tearing point, so that the film is stuck on the protective film on the target display panel, and finally the protective film on the target display panel is separated through the separating unit 35, so that the film tearing task is completed. In the embodiment, the film tearing task can be completed by replacing manpower with machinery through an automatic process and adopting the film to unreel, so that the film is stuck on the protective film on the display panel, a good film tearing effect is achieved, the production efficiency is improved, and the production cost is reduced, thereby solving the technical problems of low production efficiency and high labor intensity of workers when the manual film tearing is adopted in the related technology.

Optionally, the moving unit comprises an th obtaining module for obtaining the target display panel from the material taking point, a th receiving module for receiving a panel in-place signal, wherein the panel in-place signal is used for indicating that the target display panel reaches the initial moving position, and a th control module for controlling a th servo motor to move the target display panel with the protective film to the film tearing point.

the control unit comprises a sending module for sending control signal to the air cylinder carrying the film, wherein the control signal is used for controlling the air cylinder to execute the pressing action or the pressing action to move to the film tearing point, a second control module for controlling the film to reach the initial contact point so that the film contacts with the display wafer on the target display panel, and a third control module for controlling the film to be unreeled so that the film sticks to the protective film on the target display panel.

As an alternative embodiment of the present invention, the third control module includes an th receiving sub-module for receiving the information on the adhesive length of the film sent from the encoder, wherein the information on the adhesive length of the film is used to indicate the length of the film to be released after the encoder measures the area of the target display panel, and a th control sub-module for controlling the moving length of the film based on the information on the adhesive length of the film so that the film sticks to the protective film on the target display panel.

Optionally, the separation unit comprises an th judgment module for judging whether the film is adhered to the display wafer of the target display panel, and a fourth control module for controlling the second servo motor to wind when the adhesion is finished so as to separate the protective film from the target display panel and finish the film tearing task.

In the embodiment of the invention, the film tearing device for the display panel further comprises an sending unit for sending a second control signal to the air cylinder carrying the film after the film tearing task is completed, wherein the second control signal is used for controlling the air cylinder to perform ascending action or descending action so as to separate the display wafer on the target display panel from the film, and a fifth control module for controlling a servo motor to move the target display panel with the film removed to the preset storage tank.

Optionally, the film tearing device for the display panel further includes: and the sixth control module is used for controlling the sensing detection module to detect whether the protective film on the target display panel is successfully separated or not after the film tearing task is finished, wherein the sensing detection module at least comprises: an optical fiber sensor; and the second sending unit is used for sending a failure alarm prompt signal when the separation is not successful.

Optionally, the display panel is a liquid crystal panel, and the protective film is a plastic film.

The above-mentioned film tearing device for a display panel may further include a processor and a memory, and the above-mentioned moving unit 31, the control unit 33, the separating unit 35, and the like are stored in the memory as program units, and the processor executes the above-mentioned program units stored in the memory to implement corresponding functions.

The processor comprises a kernel, and the kernel calls corresponding program units from the memory, wherein or more kernels can be set, and the kernel parameters are adjusted to separate the protective film on the target display panel, so that the film tearing task is completed.

The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least memory chips.

There is also provided in accordance with another aspect of an embodiment of the present invention tear film control apparatus, including a processor and a memory for storing executable instructions of the processor, wherein the processor is configured to perform the tear film method of the display panel of any above via execution of the executable instructions.

According to another aspect of the embodiment of the present invention, there is also provided kinds of storage media, the storage media including a stored program, wherein the apparatus on which the storage media is located is controlled to execute the above-mentioned tear film method for a display panel of any item when the program runs.

The present application further provides computer program products adapted to perform a process when executed on a data processing apparatus for initiating the steps of moving a target display panel to be filmed to a point of film tearing where a protective film is carried on the target display panel, controlling a cylinder carrying film to move towards the point of film tearing to cause the film to stick to the protective film on the target display panel, and detaching the protective film on the target display panel to complete the task of film tearing.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed technology can be implemented in other manners, wherein the above-described device embodiments are merely illustrative, for example, the division of the units can be logical function divisions, and other divisions can be realized in practice, for example, multiple units or components can be combined or integrated into another systems, or features can be omitted or not executed, in another point, the shown or discussed coupling or direct coupling or communication connection between each other can be through interfaces, indirect coupling or communication connection of units or modules, and can be electric or other forms.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in places, or may also be distributed on multiple units.

In addition, the functional units in the embodiments of the present invention may be integrated into processing units, or each unit may exist alone physically, or two or more units are integrated into units.

Based on the understanding, the technical solution of the present invention, which is essentially or partially contributed to by the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in storage media, which includes several instructions for making computer devices (which may be personal computers, servers, or network devices) execute all or part of the steps of the methods described in the embodiments of the present invention.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.