CN115950250A - Tunnel furnace control method, system, electronic device and storage medium - Google Patents

Tunnel furnace control method, system, electronic device and storage medium Download PDF

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Publication number
CN115950250A
CN115950250A CN202211652634.6A CN202211652634A CN115950250A CN 115950250 A CN115950250 A CN 115950250A CN 202211652634 A CN202211652634 A CN 202211652634A CN 115950250 A CN115950250 A CN 115950250A
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China
Prior art keywords
color
image
tunnel furnace
circuit board
opening
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CN202211652634.6A
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Chinese (zh)
Inventor
黄浩强
陈克明
傅骥
蒋威林
李华洋
张豫川
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Guangdong Zecheng Technology Co ltd
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Guangdong Zecheng Technology Co ltd
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Priority to CN202211652634.6A priority Critical patent/CN115950250A/en
Publication of CN115950250A publication Critical patent/CN115950250A/en
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Abstract

The application discloses a tunnel furnace control method, a tunnel furnace control system, electronic equipment and a storage medium, which are applied to a tunnel furnace, wherein the tunnel furnace comprises an image acquisition device for shooting a circuit board image in the tunnel furnace, and the tunnel furnace control method comprises the following steps: acquiring circuit board images in each area, wherein the circuit board images comprise image color parameters; determining a plurality of first color differences according to preset color information and each image color parameter, wherein each first color difference corresponds to each image color parameter one to one; according to the first color differences, the opening of the air outlets in the areas is adjusted respectively, so that the color parameters of the images all reach preset color parameters, the first color differences are determined through the preset color information and the color parameters of the images, the opening of the air outlets is adjusted according to the first color differences, the condition that the colors of the surfaces of the circuit boards are inconsistent can be effectively reduced, and the yield of the circuit boards is improved.

Description

Tunnel furnace control method, system, electronic device and storage medium
Technical Field
The present application relates to, but not limited to, the field of tunnel furnace control, and in particular, to a tunnel furnace control method, system, electronic device, and storage medium.
Background
At present, the tunnel furnace is mainly through the temperature in the mode control tunnel furnace of control air intake, but to longer tunnel furnace, inside has a plurality of regions, and it is inhomogeneous to lead to the ambient temperature in a plurality of regions in the tunnel furnace easily through air intake control temperature, makes the circuit board in a plurality of regions in the tunnel furnace lead to the face to become the colour difference because of the temperature difference, influences the yields of circuit board. Therefore, how to ensure consistent color formation on the surface of the circuit board becomes an urgent problem to be solved.
Disclosure of Invention
The embodiment of the application provides a tunnel furnace control method, a tunnel furnace control system, electronic equipment and a storage medium, so that the colors of the surfaces of circuit boards are consistent, and the yield of the circuit boards is improved.
In a first aspect, an embodiment of the present application provides a tunnel furnace control method, which is applied to a tunnel furnace, and includes:
obtaining circuit board images in each area, wherein the circuit board images comprise image color parameters;
determining a plurality of first color differences according to preset color information and the image color parameters, wherein the first color differences correspond to the image color parameters one by one;
and respectively adjusting the opening of the air outlet holes in each area according to each first color difference so as to enable each image color parameter to reach a preset color parameter.
According to the tunnel furnace control method provided by the embodiment of the application, at least the following beneficial effects are achieved:
through obtaining the circuit board image in each region, according to image color parameter and the predetermined colour information on each circuit board image, determine a plurality of first colour differences, carry out the aperture to the venthole in each region through first colour difference and adjust, make circuit board face look become can reach anticipated face look, the face look of current circuit board can audio-visually be judged to image color parameter through the circuit board, make the judgement result more accurate, and then adjust the temperature in each region through adjusting each regional venthole aperture, avoid leading to the look inconsistent on circuit board surface because the temperature is inhomogeneous, reduce the yields of circuit board.
Some embodiments according to the first aspect of the present application include comparing the circuit board image to a stencil image, and marking the circuit board image if there is a difference from the stencil image.
According to some embodiments of the first aspect of the present application, the determining a plurality of first color differences according to the respective image color parameters and preset color information includes:
and preprocessing each image color parameter to respectively obtain a plurality of target color parameters which are in one-to-one correspondence with each image color parameter.
According to some embodiments of the first aspect of the present application, the adjusting the opening of the air outlet holes of each region according to each of the first color differences includes:
and determining a target opening degree according to a preset color difference range and the first color difference, and controlling the air outlet to be opened to the target opening degree.
According to some embodiments of the first aspect of the present application, after the adjusting the opening of the gas outlet holes of each zone according to each of the first color differences, the tunnel furnace control method further includes:
and responding to an opening control instruction carrying the current required opening information, and adjusting the air outlet of the tunnel furnace according to the current required opening information.
According to some embodiments of the first aspect of the present application, the adjusting the opening of the air outlet holes of each region according to each of the first color differences includes:
determining a target color difference according to all the first color differences in the same area in a preset period;
and controlling the opening of the air outlet holes in the corresponding area according to the target color difference.
According to some embodiments of the first aspect of the present application, the determining a target color difference according to all the first color differences of the same area in a preset period includes:
and carrying out average calculation on all the first color differences in the same area in a preset period to obtain an average color difference value, and taking the average color difference value as a target color difference.
In a second aspect, an embodiment of the present application provides a tunnel furnace control system, which is applied to a tunnel furnace, and includes:
the system comprises an image acquisition module, a color parameter acquisition module and a color parameter acquisition module, wherein the image acquisition module comprises an image acquisition device used for acquiring circuit board images in each area, and the circuit board images comprise image color parameters;
the color difference calculation module is used for determining a plurality of first color differences according to preset color information and the image color parameters, wherein the first color differences correspond to the image color parameters one to one;
and the opening adjusting module is used for respectively adjusting the opening of the air outlet holes of each area according to each first color difference so as to enable each image color parameter to reach a preset color parameter.
In a third aspect, an embodiment of the present application provides an electronic device, including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the tunnel furnace control method according to the first aspect when executing the computer program.
In a fourth aspect, embodiments of the present application provide a computer-readable storage medium storing computer-executable instructions for causing a computer to perform the tunnel furnace control method according to the first aspect.
Drawings
FIG. 1 is a schematic structural diagram of a tunnel furnace control system according to an embodiment of the present application;
FIG. 2 is a flowchart of a tunnel furnace control method provided in an embodiment of the present application;
FIG. 3 is a flow chart of a tunnel furnace control method according to another embodiment of the present application;
FIG. 4 is a detailed flowchart of step S200 in FIG. 2;
FIG. 5 is a detailed flowchart of step S300 in FIG. 2;
FIG. 6 is a flow chart of a tunnel furnace control method according to another embodiment of the present application;
FIG. 7 is a detailed flowchart of another embodiment of step S300 in FIG. 2;
FIG. 8 is a detailed flowchart of step S320 in FIG. 7;
FIG. 9 is a block diagram of a tunnel furnace control system according to another embodiment of the present application;
fig. 10 is a schematic hardware structure diagram of an electronic device according to another embodiment of the present application.
Detailed Description
Reference will now be made in detail to the present embodiments of the present application, preferred embodiments of which are illustrated in the accompanying drawings, wherein the description is provided for the purpose of visually supplementing the description and enabling the understanding of each and every feature and every aspect of the present application, and not for the purpose of limiting the scope of the present application.
It should be understood that in the description of the embodiments of the present application, if there is any description of "first", "second", etc., it is only for the purpose of distinguishing technical features, and it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features. "at least one" means one or more, "a plurality" means two or more. "at least one of the following" and similar expressions refer to any combination of these items, including any combination of singular or plural items.
Furthermore, unless expressly stated or limited otherwise, the term "coupled" is to be construed broadly, and may include, for example, fixed or movable connections, removable or non-removable connections, or integral connections; may be mechanically, electrically or may be in communication with each other; may be directly connected or indirectly connected through an intermediate.
In the description of embodiments of the present application, reference to the description of the terms "one embodiment/implementation," "another embodiment/implementation," or "certain embodiments/implementations," "in the above embodiments/implementations," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least two embodiments or implementations of the present disclosure. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same exemplary embodiment or implementation. It should be noted that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different from that in the flowcharts.
It should be noted that the technical features related to the respective embodiments of the present application described below may be combined with each other as long as they do not conflict with each other.
The embodiment of the application provides a tunnel furnace control method, a tunnel furnace control system, electronic equipment and a storage medium, wherein the tunnel furnace control method and the tunnel furnace control system are applied to a tunnel furnace, circuit board images in all areas are obtained through an image obtaining module, the circuit board images comprise image color parameters, a color difference calculating module determines a plurality of first color differences according to the image color parameters, preset color information and all image color parameters, each first color difference corresponds to each image color parameter one to one, and an opening adjusting module respectively adjusts the opening of air outlets of all the areas according to each first color difference so that all the image color parameters reach the preset color parameters. Therefore, according to the tunnel furnace control method provided by the embodiment of the application, the plurality of first color differences are determined according to the image color parameters, the preset color information and the image color parameters, and the opening of the air outlet holes in each area is adjusted according to the plurality of first color differences, so that the image color parameters of each circuit board can reach the preset color parameters, the condition that the color of the surface of the circuit board is inconsistent is effectively reduced, and the yield of the circuit board is improved.
The embodiments of the present application will be further explained with reference to the drawings.
Referring to fig. 1, a schematic structural diagram of a tunnel furnace control system according to an embodiment of the present application is provided.
In the example of fig. 1, the tunnel furnace control system implemented by the present application includes a camera, a controller and an air outlet adjusting device, wherein the controller is respectively connected with the camera and the air outlet adjusting device; the tunnel furnace comprises an air inlet and a plurality of air outlet holes arranged at the bottom of the tunnel furnace, hot air in the tunnel furnace enters the tunnel furnace through the air inlet, and the opening degree of the air outlet holes at the bottom of the tunnel furnace can be adjusted through an air outlet hole adjusting device; the tunnel furnace is internally provided with a plurality of cameras for obtaining circuit board images, the circuit board images on the surfaces of the circuit boards at different positions in the tunnel furnace are obtained through the cameras, the cameras send the shot circuit board images at different positions to the controller, the controller controls the air outlet hole adjusting device according to image color information on the circuit board images and preset color parameters, and the air outlet hole adjusting device adjusts the opening degree of the air outlet hole in the area where the corresponding circuit board image is located; the flow velocity of the air flow in the current area is changed by adjusting the opening of the air outlet, so that the temperature of the corresponding area is changed, and the color of the circuit board in the whole furnace can be ensured to reach the expected target.
The tunnel furnace control system described in the embodiment of the present application is for more clearly illustrating the technical solution of the embodiment of the present application, and does not constitute a limitation to the technical solution provided in the embodiment of the present application, and it can be known by those skilled in the art that the technical solution provided in the embodiment of the present application is also applicable to similar technical problems with the evolution of the tunnel furnace control system and the occurrence of new application scenarios.
Referring to fig. 2, fig. 2 is a flowchart of a tunnel furnace control method provided in an embodiment of the present application, where the flowchart of the tunnel furnace control method may be applied to the tunnel furnace control system shown in fig. 1, and the flowchart of the tunnel furnace control method includes, but is not limited to, the following steps:
step S100, obtaining circuit board images in each area, wherein the circuit board images comprise image color parameters;
step S200, determining a plurality of first color differences according to preset color information and color parameters of each image;
and step S300, respectively adjusting the opening of the air outlet holes of each area according to each first color difference.
It can be understood that the tunnel furnace is long, a plurality of image acquisition devices are arranged in the tunnel furnace, each image acquisition device corresponds to one area, circuit board images in different areas in the tunnel furnace are acquired through different image acquisition devices, and the opening of the air outlet holes in the corresponding areas is adjusted according to the processing result of the circuit board images. When a circuit board enters an area, an image acquisition module shoots a circuit board image on the surface of the circuit board, the circuit board image comprises image color parameters, the image color parameters are the board color of the current circuit board, the color difference between the image color parameters and preset color information is calculated through a color difference calculation module to obtain a first color difference, the first color difference is the difference value between the image color parameters and the preset color information, the first color difference corresponds to the circuit board image, the preset color information is the expected board color of the circuit board, an opening adjustment module adjusts the opening of air outlets of corresponding areas according to the first color difference to control the temperature of corresponding areas in a tunnel furnace, so that the temperature of the board surface of the circuit board reaches the expected board color, the temperature of each area can be accurately controlled by controlling the air outlets of each area, the temperature in the tunnel furnace is effectively prevented from being controlled by controlling an air inlet in the related technology, the temperature of a plurality of areas in the tunnel furnace is not controllable due to the longer tunnel furnace, the inconsistent temperature of the tunnel furnace is further, the board surface of the circuit board is inconsistent, and the good product rate of the circuit board is influenced.
It is understood that, in another embodiment, the first color difference is a difference between the image color parameter and the preset color information, when the first color difference is a positive number, it may be considered that the color formation of the current circuit board does not exceed the expected color formation of the circuit board surface, and the opening adjustment module decreases the opening of the air outlet of the current area according to the size of the first color difference, so as to increase the temperature of the current area. When the first color difference is negative, the color of the current circuit board is considered to exceed the expected color of the circuit board surface, and the temperature of the current area is reduced by increasing the opening of the air outlet hole, so that the color of the circuit board surface is not changed any more.
It is understood that, in another embodiment, a plurality of areas are connected in sequence, each area is provided with corresponding color information, the color information is the expected color formation of the circuit board surface in the area, the first color difference is determined according to the color information corresponding to the area and the circuit board surface in each area, the opening of the air outlet in the current area is adjusted according to the first color difference, and the color formation of the circuit board surface reaches the expected color formation when the circuit board leaves the tunnel furnace through continuous adjustment and control of the plurality of areas.
It can be understood that, in another embodiment, each zone in the tunnel furnace is further provided with a temperature sensor, a circuit board image is obtained in a first zone in the tunnel furnace, a first color difference is determined through color parameters on the circuit board image and preset color information, the opening of the air outlet of the first zone is determined through the first color difference, after the opening of the air outlet is adjusted, the ambient temperature in the first zone is measured, and the ambient temperatures of other zones are made to be the same as the ambient temperature of the first zone by adjusting the air outlets in other zones, so as to maintain the temperature consistency of the whole tunnel furnace.
It can be understood that the preset color information can be adjusted according to different circuit board materials, sizes and the like.
It can be understood that the air outlet is provided with an adjustable baffle, and the opening adjusting module adjusts the opening of the air outlet by controlling the baffle.
Referring to fig. 3, fig. 3 is a flowchart of a tunnel furnace control method according to another embodiment of the present application, which further includes, but is not limited to, the following steps:
and step S400, comparing the circuit board image with the template image, and marking the circuit board image if the circuit board image is different from the template image.
It can be understood that the circuit board image also comprises a welding circuit of the circuit board, the circuit on the circuit board image is compared with the circuit on the template image, if the circuit on the circuit board image is inconsistent with the circuit on the template image, the circuit board image is marked, a user can conveniently know which circuit board image has problems, then the corresponding circuit board is operated, the problem-solved product is prevented from entering the subsequent process, and the yield of the product is improved.
It will be appreciated that a circuit on the circuit board image that does not correspond to a circuit on the stencil image may be considered a circuit board with solder joints or shorts.
Referring to fig. 4, fig. 4 is a detailed flowchart of step S200 in fig. 2, including but not limited to the following steps:
step S210, preprocessing each image color parameter to respectively obtain a plurality of target color parameters corresponding to each image color parameter one by one;
step S211, determining a plurality of first color differences according to the plurality of target color parameters and preset color information.
It can be understood that, each circuit board image is converted into an HSL (Hue, saturation, brightness) space, colors are quantized based on a color wheel formed by Hue and Saturation to obtain image color parameters corresponding to each circuit board image one by one, each image color parameter is subjected to gaussian blur to obtain target color parameters corresponding to each image color parameter one by one, a first color difference is determined by manhattan distance between color spectrums, the first color difference is similarity between the target color parameters and preset color information, and image noise is reduced by performing gaussian blur on the color parameters.
It can be understood that the preset color information is the color parameter of the template image after being preprocessed.
Referring to fig. 5, fig. 5 is a detailed flowchart of step S300 in fig. 2, including but not limited to the following steps:
and S310, determining the target opening according to the preset color difference range and the first color difference, and controlling the air outlet to be opened to the target opening.
It can be understood that the opening degree of the air outlet at least comprises a first opening degree and a second opening degree, the preset color difference range at least comprises a first color difference interval and a second color difference interval, the first opening degree corresponds to the first color difference interval, the second opening degree corresponds to the second color difference interval, and when the first color difference belongs to the preset first color difference interval, the air outlet is controlled to be opened to the first opening degree; when the first color difference belongs to a preset second color difference interval, the air outlet is controlled to be opened to a second opening degree, the opening degree of the air outlet is adjusted through a preset color difference range and the first color difference, and therefore the reduction of the service life of the air outlet caused by frequent adjustment of the air outlet is effectively avoided.
Referring to fig. 6, fig. 6 is a flowchart of a tunnel furnace control method according to another embodiment of the present application, which further includes, but is not limited to, the following steps:
and S500, responding to an opening control instruction carrying the current required opening information, and adjusting the air outlet of the tunnel furnace according to the current required opening information.
It can be understood that when the opening adjusting module receives the opening control instruction, the opening control instruction comprises opening information, and the air outlet of the tunnel furnace is adjusted according to the opening information in the opening control instruction, so that the air outlet of the tunnel furnace can be adjusted according to actual needs.
It can be understood that, in another embodiment, the tunnel furnace further comprises a terminal module, a user can observe the circuit board image corresponding to the circuit board in the tunnel furnace in real time according to the terminal module and send an instruction to the opening degree adjusting module through the terminal module, and the user can send an opening degree control instruction to the opening degree adjusting module through the terminal module according to actual requirements to adjust the opening degree of the air outlet.
Referring to fig. 7, fig. 7 is a detailed flowchart of another embodiment of step S300 in fig. 2, which includes but is not limited to the following steps:
step 320, determining a target color difference according to all first color differences in the same area in a preset period;
and step 330, controlling the opening of the air outlet holes in the corresponding area according to the target color difference.
It can be understood that a plurality of circuit board images in the same area are obtained in a preset period, color parameters on each circuit board image are compared with preset color information to determine a plurality of corresponding first color differences, the plurality of first color differences are calculated to determine a target color difference, opening control is performed on the air outlet in the area according to the target color difference, the target color difference is determined through the plurality of first color differences in the period, the air outlet is adjusted through the target color difference, and the accuracy is improved and the errors are reduced.
It can be understood that, in another embodiment, the moving time of the circuit board in the area is 10 seconds, the preset period is 5 seconds, one circuit board image is obtained every second within 5 seconds, 5 corresponding first color differences are determined by comparing color parameters on the 5 circuit board images with preset color information, a target color difference is determined by calculating the 5 first color differences, and the air outlet is adjusted according to the target color difference.
Referring to fig. 8, fig. 8 is a detailed flowchart of step S320 in fig. 7, including but not limited to the following steps:
step S321, performing average calculation on all first color differences in the same area in a preset period to obtain an average color difference value, and taking the average color difference value as a target color difference.
It can be understood that a plurality of circuit board images in the same area are obtained in a preset period, color parameters on each circuit board image are compared with preset color information, a plurality of corresponding first color differences are determined, the plurality of first color differences are subjected to average calculation to obtain an average color difference value, the average color difference value is used as a target color difference, opening control is performed on the air outlet of the area according to the target color difference, and secondary loss can be minimized by performing average calculation on the plurality of first color differences.
Referring to fig. 9, fig. 9 is a tunnel furnace control system according to an embodiment of a second aspect of the present disclosure, and the tunnel furnace control system includes an image obtaining module, a color difference calculating module, and an opening adjusting module, where the image obtaining module includes a plurality of image obtaining devices for obtaining a circuit board image of each area in a tunnel furnace, the circuit board image includes image color parameters, the color difference calculating module determines a plurality of first color differences through image color parameters and preset color information in the circuit board image obtained by the image obtaining module, and each first color difference corresponds to each image color parameter one to one, and the opening adjusting module adjusts an opening of an air outlet of each area according to each first color difference, so that each image color parameter reaches the preset color parameter.
Referring to fig. 10, fig. 10 is a schematic structural diagram of an electronic device 1000 according to an embodiment of a third aspect of the present application, where the operation control device 1000 includes: a memory 1010, a processor 1020 and a computer program stored on the memory 1010 and executable on the processor 1020, the processor 1020 when executing the computer program implementing the tunnel furnace control method as in the above embodiments.
The memory 1010 is a non-transitory computer readable storage medium, and can be used for storing non-transitory software programs and non-transitory computer executable programs, such as the tunnel furnace control method in the above embodiments of the present application. The processor 1020 implements the tunnel oven control method in the above-described embodiment of the present application by executing the non-transitory software program and instructions stored in the memory 1010.
The memory 1010 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data and the like necessary for executing the tunnel furnace control method in the above-described embodiment. Further, the memory 1010 may include high-speed random access memory 1010, and may also include non-transitory memory 1010, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. It is noted that the memory 1010 may optionally include memory 1010 located remotely from the processor 1020, and that such remote memory 1010 may be coupled to the terminal via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
Non-transitory software programs and instructions required to implement the tunnel oven control method in the above embodiments are stored in a memory, and when executed by one or more processors, perform the tunnel oven control method in the above embodiments, e.g., perform method steps S100 to S300 in fig. 2, method step S400 in fig. 3, method steps S210 to S211 in fig. 4, method step S310 in fig. 5, method step S500 in fig. 6, method steps S320 to S330 in fig. 7, and method step S321 in fig. 8, described above.
The above-described embodiments of the apparatus are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, i.e. may be located in one place, or may also be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
Furthermore, an embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions, when executed by a processor 1020 or a controller, for example, by a processor 1020 in the above embodiment of the electronic device 1000, may cause the processor 1020 to execute the tunnel furnace control method in the above embodiment, for example, to execute the above-described method steps S100 to S300 in fig. 2, the method step S400 in fig. 3, the method steps S210 to S211 in fig. 4, the method step S310 in fig. 5, the method step S500 in fig. 6, the method steps S320 to S330 in fig. 7, and the method step S321 in fig. 8. One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor 1020, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims.

Claims (10)

1. The tunnel furnace control method is characterized by being applied to a tunnel furnace, wherein an image acquisition device for shooting an image of a circuit board in the tunnel furnace is arranged in the tunnel furnace, and the tunnel furnace control method comprises the following steps:
obtaining circuit board images in each area, wherein the circuit board images comprise image color parameters;
determining a plurality of first color differences according to preset color information and the image color parameters, wherein the first color differences correspond to the image color parameters one by one;
and respectively adjusting the opening of the air outlet holes in each area according to each first color difference so as to enable each image color parameter to reach a preset color parameter.
2. The tunnel furnace control method according to claim 1, further comprising:
and comparing the circuit board image with a template image, and marking the circuit board image if the circuit board image is different from the template image.
3. The tunnel oven control method of claim 1, wherein determining a plurality of first color differences according to the image color parameters and preset color information comprises:
preprocessing each image color parameter to respectively obtain a plurality of target color parameters corresponding to each image color parameter one by one;
and determining a plurality of first color differences according to the plurality of target color parameters and preset color information.
4. The method for controlling the tunnel furnace according to claim 1, wherein the adjusting the opening degree of the air outlet holes of each zone according to each first color difference comprises:
and determining a target opening according to a preset color difference range and the first color difference, and controlling the air outlet to be opened to the target opening.
5. The tunnel furnace control method according to claim 1, further comprising:
and responding to an opening control instruction carrying current required opening information, and adjusting the air outlet of the tunnel furnace according to the current required opening information.
6. The method for controlling the tunnel furnace according to claim 1, wherein the adjusting the opening degree of the air outlet holes of each zone according to each first color difference comprises:
determining a target color difference according to all the first color differences in the same area in a preset period;
and controlling the opening of the air outlet holes in the corresponding area according to the target color difference.
7. The method of claim 6, wherein the determining a target color difference according to all the first color differences of the same area in a preset period comprises:
and carrying out average calculation on all the first color differences in the same area in a preset period to obtain an average color difference value, and taking the average color difference value as a target color difference.
8. The tunnel furnace control system is characterized by being applied to a tunnel furnace and comprising:
the system comprises an image acquisition module, a color parameter acquisition module and a color parameter acquisition module, wherein the image acquisition module comprises an image acquisition device used for acquiring circuit board images in each area, and the circuit board images comprise image color parameters;
the color difference calculation module is used for determining a plurality of first color differences according to preset color information and the image color parameters, wherein the first color differences correspond to the image color parameters one by one;
and the opening adjusting module is used for respectively adjusting the opening of the air outlet holes of each area according to each first color difference so as to enable each image color parameter to reach a preset color parameter.
9. An electronic device, comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor implements the tunnel furnace control method according to any one of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium storing computer-executable instructions for causing a computer to perform the tunnel furnace control method of any one of claims 1 to 7.
CN202211652634.6A 2022-12-16 2022-12-16 Tunnel furnace control method, system, electronic device and storage medium Pending CN115950250A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117356590A (en) * 2023-09-20 2024-01-09 广州市赛思达机械设备有限公司 Tunnel furnace heat supply control method, device, equipment and storage medium
CN117356590B (en) * 2023-09-20 2024-05-31 广州市赛思达机械设备有限公司 Tunnel furnace heat supply control method, device, equipment and storage medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117356590A (en) * 2023-09-20 2024-01-09 广州市赛思达机械设备有限公司 Tunnel furnace heat supply control method, device, equipment and storage medium
CN117356590B (en) * 2023-09-20 2024-05-31 广州市赛思达机械设备有限公司 Tunnel furnace heat supply control method, device, equipment and storage medium

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