Water-cooled plate control method, device, equipment, storage medium and program product

Abstract

The application discloses a water-cooled plate control method, device, equipment, storage medium and program product, and relates to the technical field of inkjet printing. In the application, a second water-cooled plate is added in structure, the second water-cooled plate is moved to a target position determined based on a temperature distribution of a first water-cooled plate, a target local water-cooled plate is started at the target position, and the temperature of liquid flowing into the local water-cooled plate is controlled to be a target liquid temperature. In this way, the temperature distribution uniformity of the first water-cooled plate is taken as a regulation and control target, the first water-cooled plate is subjected to temperature regulation and control through a local water-cooled plate matrix of the second water-cooled plate, and the temperature control of the first water-cooled plate is more accurate and efficient.

Description

Technical Field

[0001] This application relates to the technical field of inkjet printing, and more particularly to water-cooled plate control methods, apparatus, equipment, storage media, and program products. Background Technology

[0002] In the drying process of inkjet printing, the water-cooled plate is a core temperature control component, and its temperature uniformity directly affects the quality of the finished product. Current mainstream technologies optimize the temperature uniformity of the water-cooled plate by adjusting physical structural parameters such as flow channel layout and material thickness, but this suffers from response lag. Once the water-cooled plate is put into use, its static structure cannot adapt to dynamic heat load changes, resulting in a long temperature stabilization time.

[0003] The above content is only used to help understand the technical solution of this application and does not represent an admission that the above content is prior art. Summary of the Invention

[0004] The main objective of this application is to provide a water-cooled plate control method, a water-cooled plate control device, a water-cooled plate control equipment, a storage medium, and a computer program product, aiming to solve the technical problems of inaccurate and inefficient temperature control of water-cooled plates.

[0005] To achieve the above objectives, this application proposes a water-cooled plate control method for an inkjet printing device. The inkjet printing device includes a second water-cooled plate, a first water-cooled plate, and a substrate stacked sequentially. The substrate is used to hold inkjet printing ink. The water-cooled plate control method includes:

[0006] The temperature distribution of the first water-cooled plate is obtained; wherein the first water-cooled plate is an integral water-cooled plate suitable for drying the ink carried on the substrate, the second water-cooled plate is a local water-cooled plate matrix, the local water-cooled plate matrix includes multiple local water-cooled plates to be opened, the second water-cooled plate is movably set, and the movement of the second water-cooled plate is driven by the cooperation of the motion axis and the track.

[0007] Based on the temperature distribution of the first water-cooled plate, determine the target location of the second water-cooled plate, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate.

[0008] Move the second water-cooled plate to the target position, turn on the target local water-cooled plate, and control the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature.

[0009] In one embodiment, the step of obtaining the temperature distribution of the first water-cooled plate includes:

[0010] A thermal imaging scan image is obtained by performing motion scanning on the first water-cooled plate using a thermal imaging camera.

[0011] The thermal imaging scan images are stitched together, and the temperature distribution of the first water-cooled plate is determined from the stitched thermal imaging images.

[0012] In one embodiment, the step of determining the target location of the second water-cooled plate based on the temperature distribution of the first water-cooled plate includes:

[0013] Based on the scanning area of ​​each motion scanning step when obtaining the thermal imaging scan image, the first water-cooled plate is divided to obtain the grid area of ​​the first water-cooled plate.

[0014] Based on the temperature difference between the overall temperature of the first water-cooled plate and the local temperature of each grid area of ​​the first water-cooled plate, the grid area where the temperature difference is greater than a preset temperature difference threshold is determined as the target location of the second water-cooled plate.

[0015] In one embodiment, the step of determining the target local water-cooled plate to be activated and the target liquid temperature flowing into the target local water-cooled plate based on the temperature distribution of the first water-cooled plate includes:

[0016] Construct digital twin models of the first and second water-cooled plates;

[0017] The temperature distribution of the first water-cooled plate is used as the initial state input and input into the digital twin model to simulate the target local water-cooled plate to be opened and the temperature of the target liquid flowing into the target local water-cooled plate.

[0018] In one embodiment, after the steps of moving the second water-cooled plate to the target position, turning on the target local water-cooled plate, and controlling the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature, the process includes:

[0019] Reacquire the temperature distribution of the first water-cooled plate;

[0020] Based on the latest temperature distribution of the first water-cooled plate, determine the real-time temperature difference of the first water-cooled plate;

[0021] When the real-time temperature difference is greater than the preset temperature difference threshold, the process returns to the step of determining the target position of the second water-cooled plate, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate based on the temperature distribution of the first water-cooled plate, until the real-time temperature difference is less than or equal to the preset temperature difference threshold.

[0022] In one embodiment, after determining the real-time temperature difference of the first water-cooled plate based on the latest temperature distribution of the first water-cooled plate, the method further includes:

[0023] When the real-time temperature difference is less than or equal to a preset temperature difference threshold, the substrate that has been loaded with inkjet printing ink is placed above the first water-cooled plate to dry the ink already loaded on the substrate.

[0024] Furthermore, to achieve the above objectives, this application also proposes a water-cooled plate control device, which includes:

[0025] The acquisition module is used to acquire the temperature distribution of the first water-cooled plate; wherein, the first water-cooled plate is an integral water-cooled plate suitable for drying ink carried on the substrate, the second water-cooled plate is a local water-cooled plate matrix, the local water-cooled plate matrix includes multiple local water-cooled plates to be opened, and the second water-cooled plate is movably set, and the movement of the second water-cooled plate is driven by the cooperation of the motion axis and the track.

[0026] The determination module is used to determine the target location of the second water-cooled plate, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate based on the temperature distribution of the first water-cooled plate.

[0027] The control module is used to move the second water-cooled plate to the target position, turn on the target local water-cooled plate, and control the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature.

[0028] In addition, to achieve the above objectives, this application also proposes a water-cooled plate control device, the device comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, the computer program being configured to implement the steps of the water-cooled plate control method described above, the water-cooled plate control device further comprising a second water-cooled plate, a first water-cooled plate, and the substrate stacked sequentially.

[0029] In addition, to achieve the above objectives, this application also proposes a storage medium, which is a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, it implements the steps of the water-cooled plate control method described above.

[0030] In addition, to achieve the above objectives, this application also provides a computer program product, which includes a computer program that, when executed by a processor, implements the steps of the water-cooled plate control method described above.

[0031] One or more technical solutions proposed in this application have at least the following technical effects:

[0032] In this application, a second water-cooled plate is added to the structure. The second water-cooled plate is moved to a target position determined based on the temperature distribution of the first water-cooled plate. At the target position, a target local water-cooled plate is activated, and the temperature of the liquid flowing into the target local water-cooled plate is controlled to be the target liquid temperature. In this way, the temperature distribution uniformity of the first water-cooled plate is used as the control target. The temperature of the first water-cooled plate is controlled by the local water-cooled plate matrix of the second water-cooled plate, making the temperature control of the first water-cooled plate more precise and efficient. Attached Figure Description

[0033] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0034] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a flowchart illustrating the first embodiment of the water-cooled plate control method of this application.

[0036] Figure 2 This is a schematic diagram of the inkjet printing equipment of this application;

[0037] Figure 3 This is a schematic diagram of the second water-cooled plate provided in the first embodiment of the water-cooled plate control method of this application;

[0038] Figure 4 This is a schematic diagram of camera calibration provided in the first embodiment of the water-cooled plate control method of this application;

[0039] Figure 5 This is a schematic diagram of scanning imaging provided for the first embodiment of the water-cooled plate control method of this application;

[0040] Figure 6 Another schematic diagram of the water-cooled plate control method provided in the first embodiment of this application;

[0041] Figure 7 This is a flowchart illustrating the second embodiment of the water-cooled plate control method of this application.

[0042] Figure 8 This is a schematic diagram of the module structure of the water-cooled plate control device according to an embodiment of this application;

[0043] Figure 9 This is a schematic diagram of the equipment structure of the hardware operating environment involved in the water-cooled plate control method in the embodiments of this application.

[0044] Explanation of icon numbers:

[0045] A. First water-cooled plate; B. Second water-cooled plate; B. Local water-cooled plate; C. Thermal imaging camera.

[0046] The purpose, features, and advantages of this application will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0047] It should be understood that the specific embodiments described herein are merely illustrative of the technical solutions of this application and are not intended to limit this application.

[0048] To better understand the technical solution of this application, a detailed description will be provided below in conjunction with the accompanying drawings and specific implementation methods.

[0049] It should be noted that the executing entity in this embodiment can be a computing service device with data processing, network communication, and program execution functions, such as a tablet computer, personal computer, or mobile phone, or an electronic device or water-cooled plate control device capable of performing the above functions. The following description uses a water-cooled plate control device as an example to illustrate this embodiment and the subsequent embodiments.

[0050] Based on this, the embodiments of this application provide a water-cooled plate control method, referring to... Figure 1 , Figure 1 This is a flowchart illustrating the first embodiment of the water-cooled plate control method of this application.

[0051] In this embodiment, the water-cooled plate control method is used in an inkjet printing device. The inkjet printing device includes a second water-cooled plate B, a first water-cooled plate A, and a substrate stacked sequentially. The substrate is used to carry inkjet printing ink. The water-cooled plate control method includes steps S10 to S30:

[0052] Step S10: Obtain the temperature distribution of the first water-cooled plate A; wherein, the first water-cooled plate A is an integral water-cooled plate suitable for drying the ink carried on the substrate, the second water-cooled plate B is a local water-cooled plate matrix, the local water-cooled plate matrix includes multiple local water-cooled plates Bi to be opened, the second water-cooled plate B is movably set, and the movement of the second water-cooled plate B is driven by the cooperation of the motion axis and the track.

[0053] In one embodiment, the water-cooled plate can be replaced by a temperature-adjustable device for drying inkjet printing ink carried on the substrate; for example, the water-cooled plate can be replaced by a drying plate. The inkjet printing ink carried on the substrate is dried using either the water-cooled plate or the drying plate.

[0054] The size of the first water-cooled plate A is suitable for the size of the substrate, and it can cover the inkjet printing ink carried on the substrate, allowing for the drying of inkjet printing ink carried at any location on the substrate. The design and routing of the water-cooling pipes in the first water-cooled plate A are not limited.

[0055] Reference Figure 3 The second water-cooled plate B is a local water-cooled plate matrix, meaning it is composed of multiple local water-cooled plates Bi forming a water-cooled plate matrix. It can control whether any local water-cooled plate Bi in the water-cooled plate matrix is ​​activated and the liquid temperature of any local water-cooled plate Bi. Furthermore, the position of any local water-cooled plate Bi can be moved by moving the second water-cooled plate B. The local water-cooled plate matrix can include one or more local water-cooled plates Bi. When the local water-cooled plate matrix includes only one local water-cooled plate Bi, the temperature of the first water-cooled plate A can still be regulated by treating the local water-cooled plate matrix as a whole. When the local water-cooled plate matrix includes multiple local water-cooled plates Bi, the shape and division method of each local water-cooled plate Bi are not limited. In one embodiment, multiple second water-cooled plates B can exist, and through the coordinated operation of multiple second water-cooled plates B, the uniform temperature regulation of the first water-cooled plate A can be achieved more efficiently.

[0056] In one embodiment, the size of the second water-cooled plate B and the number of local water-cooled plates Bi can be determined based on the size of the first water-cooled plate A and the required temperature adjustment time. For example, the larger the first water-cooled plate A and the shorter the required temperature adjustment time, the larger the second water-cooled plate B and the more local water-cooled plates Bi. Selection rules between the size of the first water-cooled plate A and the required temperature adjustment time, and the size of the second water-cooled plate B and the number of local water-cooled plates Bi can be pre-set based on expert experience. These selection rules allow for the rapid determination of the size of the first water-cooled plate A and the required temperature adjustment time, corresponding to the size of the second water-cooled plate B and the number of local water-cooled plates Bi.

[0057] It should be noted that the size of the second water-cooled plate B can be the same as or smaller than the first water-cooled plate A. When the first water-cooled plate A and the second water-cooled plate B are the same size, it is not necessary to determine the target position of the second water-cooled plate B; it is only necessary to determine the target local water-cooled plate on the second water-cooled plate B that needs to be activated. When the second water-cooled plate B is smaller than the first water-cooled plate A, it is necessary to determine the target position of the second water-cooled plate B and the target local water-cooled plate on the second water-cooled plate B that needs to be activated at that target position.

[0058] In one feasible implementation, step S10 may include steps S101 to S102:

[0059] Step S101: The first water-cooled plate A is motion-scanned using a thermal imaging camera C to obtain a thermal imaging scan image;

[0060] Step S102: stitch together the thermal imaging scan images, and determine the temperature distribution of the first water-cooled plate A from the stitched thermal imaging images.

[0061] In one embodiment, reference is made to Figure 2 The motion track and motion axis are installed above the first water-cooled plate A, and their installation arrangement is related to the size of the first water-cooled plate A. Considering cost and imaging effect, thermal imaging cameras C are installed on the motion axis. The number of cameras is related to the scanning range and the width of the first water-cooled plate A. Only one thermal imaging camera C can be installed, or several thermal imaging cameras C can be installed at equal intervals. The number of cameras is based on fully covering the entire large-sized first water-cooled plate A. For example, if the field of view of the thermal imaging camera C is insufficient to cover the first water-cooled plate A at once, multiple thermal imaging cameras C are used.

[0062] In one embodiment, before step S101, the method further includes calibrating the thermal imaging camera C to establish an accurate correspondence between the camera scanning results and the actual temperature of the first water-cooled plate A. Multi-camera thermal imaging can comprehensively perceive the temperature distribution of the first water-cooled plate A, but the captured images only contain pixel coordinate information. Therefore, it is necessary to map the pixel coordinates to the actual coordinate position of the first water-cooled plate A. Thus, before scanning the temperature of the first water-cooled plate A, the thermal imaging camera C needs to be calibrated, and the thermal images need to be calibrated against the actual temperatures.

[0063] Reference Figure 4 For multi-camera calibration: pixel coordinates and image coordinates need to be transformed into camera body coordinates. This only involves the calibration of the camera's intrinsic parameters. The transformation from each camera to the world coordinate system, i.e., the calibration of the camera's extrinsic parameters, involves the camera's position distribution along the motion axes, the camera body's attitude, and the distance the motion axes move in step increments. For the i-th camera, let the coordinates of a pixel be... The center of the image pixel coordinates is The corresponding coordinates from the pixel coordinate system to the image coordinate system. The transformation relationship is as follows: In the formula, Represents the pixel size of the image sensor. Image coordinate system. Corresponding coordinates in the camera body coordinate system The transformation relationship is as follows: In the formula, This represents the distance from the first water-cooled plate A to the optical center of the camera. This is the focal length of the camera. (In the camera's body coordinate system) To the corresponding world coordinate system The transformation relationship is as follows: In the formula, Let be the rotation transformation matrix of the camera in the world coordinate system. The translation matrix is ​​determined by the arrangement of the cameras along the motion axis and the step size of each observation position along the motion axis. Through the transformations described above three steps, for a specific pixel in the image captured by the i-th camera... It can be directly converted to the world coordinate system. : .

[0064] For image processing, thermal imaging images can only visually display the relative distribution of temperature, and cannot directly provide specific temperature data. Therefore, related operations can be performed on the image to obtain a temperature cloud map. In one embodiment, a curve relating the grayscale distribution of the thermal imaging image to temperature is established. Based on observations from a high-precision temperature sensor, the temperature can be analyzed using the least squares method. and grayscale value Perform a fitting operation to obtain the relationship: In the formula, These represent the coefficients of the first-order term and the constant, respectively. Based on the camera calibration results, all images are segmented and stitched together to obtain a thermal image of the entire first water-cooled plate A. The image is converted to grayscale, and the temperature value of each pixel is obtained. After applying the coordinate transformation matrix from the camera calibration, the temperature distribution information of the entire first water-cooled plate A can be obtained.

[0065] Above, refer to Figure 5 After the thermal imaging camera C is calibrated, the motion axis of the camera C moves to the first observation position to perform thermal imaging processing. This obtains the imaging temperature of the imaging plane, i.e., the first water-cooled plate A, and performs coordinate transformation. Then, it is confirmed whether the search of the first water-cooled plate A is complete. If not, the camera moves to the next observation position and performs thermal imaging processing again until all observation positions are searched. At this point, the imaging data from each observation position are stitched together to obtain the thermal imaging scan image of the first water-cooled plate A. Thus, by using the thermal imaging camera C to scan the first water-cooled plate A and stitching the resulting thermal imaging scan images, the temperature distribution of the first water-cooled plate A can be determined from the stitched thermal imaging image, thereby achieving a temperature scan of the entire first water-cooled plate A.

[0066] Step S20: Based on the temperature distribution of the first water-cooled plate A, determine the target position of the second water-cooled plate B, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate.

[0067] After obtaining the temperature distribution of the first water-cooled plate A in step S10, the target location of the second water-cooled plate B, the target local water-cooled plate to be activated, and the target liquid temperature flowing into the target local water-cooled plate can be determined based on the temperature distribution of the first water-cooled plate A. In one embodiment, referring to... Figure 2 The motion track and motion axis installed below the first water-cooled plate A are also related to the size of the first water-cooled plate A. The motion axis, in conjunction with the track, drives the movement of the second water-cooled plate B, allowing it to move to the target position, activate the target local water-cooled plate on the second water-cooled plate B, and control the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature. The target position of the second water-cooled plate B can be any location below the first water-cooled plate A, the target local water-cooled plate to be activated can be any local water-cooled plate Bi in the local water-cooled plate matrix of the second water-cooled plate B, and the target liquid temperature flowing into the target local water-cooled plate can be higher or lower than the temperature of the first water-cooled plate A above the target position.

[0068] In one feasible implementation, step S20 may include steps S201-S202:

[0069] Step S201: Based on the scanning area of ​​each motion scanning step when obtaining the thermal imaging scanning image by motion scanning, divide the first water-cooled plate A to obtain the grid area of ​​the first water-cooled plate A.

[0070] Step S202: Based on the temperature difference between the overall temperature of the first water-cooled plate A and the local temperature of each grid area of ​​the first water-cooled plate A, determine the grid area with a temperature difference greater than a preset temperature difference threshold as the target location of the second water-cooled plate B.

[0071] The following section further explains the steps for determining the target position of the second water-cooled plate B based on the temperature distribution of the first water-cooled plate A.

[0072] The purpose of temperature regulation of the first water-cooled plate A is to achieve an average temperature across all parts of the first water-cooled plate A and minimize temperature differences. Therefore, when determining the target position of the second water-cooled plate B based on the temperature distribution of the first water-cooled plate A, firstly, the first water-cooled plate A is divided into grid regions based on the scanning area of ​​each motion scanning step when obtaining the thermal imaging image through motion scanning. In other words, the first water-cooled plate A is divided using the scanning area of ​​the motion scanning step. Next, for each scanning region of the first water-cooled plate A, the local temperature of its grid region can be determined. Additionally, the overall temperature of the first water-cooled plate A can also be determined. It should be noted that the overall temperature of the first water-cooled plate A and the local temperature of each grid region of the first water-cooled plate A can be average temperatures, with each average temperature representing the overall temperature of the first water-cooled plate A and the local temperature of each grid region of the first water-cooled plate A, respectively. That is, the overall average temperature of the first water-cooled plate A and the local average temperature of each grid region of the first water-cooled plate A are determined. Finally, the temperature difference between the overall temperature of the first water-cooled plate A and the local temperature of each grid region of the first water-cooled plate A can be determined. This allows us to further identify the grid regions where the temperature difference exceeds a preset temperature difference threshold as the target locations for the second water-cooled plate B. In other words, the grid regions where the temperature difference exceeds the preset temperature difference threshold are designated as the target areas on the first water-cooled plate A where the temperature needs to be adjusted by the second water-cooled plate B. The second water-cooled plate B needs to be moved to these target areas with larger temperature differences to regulate the temperature of the first water-cooled plate A.

[0073] It should be noted that when the first water-cooled plate A and the second water-cooled plate B are the same size, it is not necessary to determine the target position of the second water-cooled plate B. It is only necessary to determine the target local water-cooled plate to be activated on the second water-cooled plate B. That is, the grid area with a temperature difference greater than a preset temperature difference threshold is directly determined as the location of the target local water-cooled plate to be activated on the second water-cooled plate B. When the second water-cooled plate B is smaller than the first water-cooled plate A, the grid area with a temperature difference greater than a preset temperature difference threshold is determined as the target position of the second water-cooled plate B based on the temperature difference between the overall temperature of the first water-cooled plate A and the local temperature of each grid area of ​​the first water-cooled plate A. Then, the target local water-cooled plate to be activated on the second water-cooled plate B at the target position and the target liquid temperature flowing into the target local water-cooled plate are further determined.

[0074] Additionally, it should be noted that in this embodiment, the size of the mesh division scale is not limited, and the mesh division scale of the first water-cooled plate A can be customized to obtain the mesh region of the first water-cooled plate A. When the first water-cooled plate A is divided using a mesh division scale smaller than the step size of each motion scan when obtaining the thermal imaging image by motion scanning, the resulting mesh region area of ​​the first water-cooled plate A is smaller, and the temperature regulation of the first water-cooled plate A is more precise. When the first water-cooled plate A is divided using a mesh division scale larger than the step size of each motion scan when obtaining the thermal imaging image by motion scanning, the resulting mesh region area of ​​the first water-cooled plate A is larger, and the temperature regulation efficiency of the first water-cooled plate A is higher.

[0075] In addition, the size of the local water-cooled plates Bi on the second water-cooled plate B can be a square with the width of the setting spacing of the thermal imaging camera C, and the number of local water-cooled plates Bi is determined by the size of the second water-cooled plate B.

[0076] In another feasible implementation, step S20 may include steps S203-S204:

[0077] Step S203: Construct digital twin models of the first water-cooled plate A and the second water-cooled plate B;

[0078] Step S204: The temperature distribution of the first water-cooled plate A is used as the initial state input and input into the digital twin model to simulate the target local water-cooled plate to be opened and the target liquid temperature flowing into the target local water-cooled plate.

[0079] The following section further explains the steps for determining the target local water-cooled plate to be activated and the target liquid temperature flowing into the target local water-cooled plate based on the temperature distribution of the first water-cooled plate A.

[0080] The digital twin model is a heat exchange simulation model encompassing the first water-cooled plate A and the second water-cooled plate B. The temperature distribution of the first water-cooled plate A, obtained from scanning, is used as the initial state input to the digital twin model. This allows for the simulation of the target local water-cooled plate to be activated (i.e., the activation number in the local water-cooled plate matrix) and the target liquid temperature flowing into the target local water-cooled plate (i.e., the liquid temperature introduced into local water-cooled plate Bi), thereby minimizing the temperature difference across the entire surface of the first water-cooled plate A. In other words, when adjusting and compensating the temperature of local water-cooled plate Bi, each water-cooled plate in the local water-cooled plate matrix is ​​numbered. Whether each local water-cooled plate Bi is activated and the liquid temperature introduced into local water-cooled plate Bi can be determined in real-time by the digital twin model based on the temperature distribution obtained from modular scanning using thermal imaging.

[0081] It should be noted that when the first water-cooled plate A and the second water-cooled plate B are the same size, the grid area with a temperature difference greater than a preset temperature difference threshold can be directly determined as the location of the target local water-cooled plate to be activated on the second water-cooled plate B. In this case, it is only necessary to input the temperature distribution of the first water-cooled plate A as the initial state input into the digital twin model to simulate the target liquid temperature flowing into the target local water-cooled plate. When the second water-cooled plate B is smaller than the first water-cooled plate A, it is necessary to input the temperature distribution of the first water-cooled plate A as the initial state input into the digital twin model to simulate the target local water-cooled plate to be activated and the target liquid temperature flowing into the target local water-cooled plate.

[0082] In addition, a prediction model can be trained based on historical data, including the historical temperature distribution of the first water-cooled plate A, the historical target local water-cooled plate to be opened, and the historical target liquid temperature flowing into the target local water-cooled plate. The prediction model obtained through training can determine the latest target local water-cooled plate to be opened and the latest target liquid temperature flowing into the target local water-cooled plate based on the latest temperature distribution of the first water-cooled plate A.

[0083] In one embodiment, end-to-end joint modeling can be used. The region selection head is used to decide when to activate the local water-cooled plate Bi, and the temperature setting head is used to set the target inlet temperature. Temperature distribution is processed by a feature extractor (Encoder). A CNN / ConvLSTM / Transformer Encoder can be used to process the temperature distribution data contained in the thermal imaging image, outputting a feature vector F. This feature vector F is simultaneously fed into both the region selection head and the temperature setting head.

[0084] In another embodiment, in the first stage, a temperature prediction model is constructed to predict the temperature distribution S_{t+Δt} at one or more future time steps based on the current or a period of time temperature distribution S_t (or sequence), accurately predicting the local or overall temperature change trend. The prediction model can be a ConvLSTM or CNN-LSTM model that can simultaneously capture spatial and temporal dependencies. In the second stage, a control decision model is constructed to determine the action to be taken at the current moment based on the predicted temperature distribution S_{t+Δt} from the first stage: which regions to open and their inlet temperatures to set. The decision model can be a combination of a classifier for predicting regions and a regressor for predicting temperature, or it can be a reinforcement learning agent. For the former decision-making model, MLP, Random Forest, or XGBoost models can be trained. The input is features extracted from the predicted temperature map, such as maximum temperature, average temperature, hotspot area, temperature gradient, and average temperature of a fixed region. The output is the target local water-cooled plate to be activated and the target liquid temperature flowing into it. For the latter decision-making model, the problem of determining the target local water-cooled plate to be activated and the target liquid temperature flowing into it is modeled as a Markov decision process. The model can use reinforcement learning algorithms such as PPO, SAC, and DQN. The agent learns to select the optimal control action given a state (including predicted information). The state is the current / historical temperature distribution S and the predicted temperature distribution. The action is the selection of the activation area and the temperature setting. The reward includes negative and positive rewards. Negative rewards occur when: the predicted maximum temperature exceeds a threshold; the predicted temperature difference is too large (penalty for non-uniformity); too many water-cooled plate areas are activated (penalty for energy consumption); and the inlet temperature is changed too frequently / too drastically (penalty for control cost). Positive rewards occur when: the predicted maximum temperature is within a safe range and is relatively low; and the predicted temperature distribution is uniform.

[0085] Step S30: Move the second water-cooled plate B to the target position, turn on the target local water-cooled plate, and control the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature.

[0086] Reference Figure 6 After calibrating the thermal imaging camera system C, water is passed through the first water-cooled plate A and the second water-cooled plate B, and thermal imaging scans are performed on the first water-cooled plate A. If the temperature difference is greater than the preset temperature difference threshold dt, the digital twin model is activated. The temperature distribution of the first water-cooled plate A obtained from the scan is input into the digital twin model to obtain the temperature of the liquid flowing into the first water-cooled plate A and the opening number of the local water-cooled plate Bi. That is, the target local water-cooled plate is opened and the temperature of the liquid flowing into the target local water-cooled plate is controlled to be the target liquid temperature. Based on the target liquid temperature, the refrigerator parameters are set and the target local water-cooled plate is opened until the temperature difference is less than or equal to the preset temperature difference threshold dt.

[0087] It should be noted that when the first water-cooled plate A and the second water-cooled plate B are the same size, it is not necessary to move the second water-cooled plate B to the target position. It is only necessary to turn on the target local water-cooled plate and control the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature. When the second water-cooled plate B is smaller than the first water-cooled plate A, it is necessary to move the second water-cooled plate B to the target position, turn on the target local water-cooled plate, and control the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature.

[0088] The above describes a structural modification involving the addition of a second water-cooled plate B. The second water-cooled plate B is moved to a target position determined based on the temperature distribution of the first water-cooled plate A. At this target position, a target local water-cooled plate is activated, and the temperature of the liquid flowing into the target local water-cooled plate is controlled to the target liquid temperature. Thus, the temperature distribution uniformity of the first water-cooled plate A is used as the control target. The temperature of the first water-cooled plate A is regulated through the local water-cooled plate matrix of the second water-cooled plate B, resulting in more precise and efficient temperature control of the first water-cooled plate A.

[0089] Based on the first embodiment of this application, in the second embodiment of this application, the content that is the same as or similar to the first embodiment described above can be referred to the above description, and will not be repeated hereafter. Based on this, please refer to... Figure 7 After step S30, the water-cooled plate control method further includes steps S40 to S60:

[0090] Step S40: Reacquire the temperature distribution of the first water-cooled plate A;

[0091] Step S50: Determine the real-time temperature difference of the first water-cooled plate A based on the latest temperature distribution of the first water-cooled plate A.

[0092] Step S60: When the real-time temperature difference is greater than the preset temperature difference threshold, return to the step of determining the target position of the second water-cooled plate B, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate based on the temperature distribution of the first water-cooled plate A, until the real-time temperature difference is less than or equal to the preset temperature difference threshold.

[0093] In this embodiment, a closed-loop control method for the temperature distribution of the first water-cooled plate A is proposed. Using thermal imaging scanning and a digital twin model, the position of the second water-cooled plate B and the activated local water-cooled plate Bi are repeatedly controlled and dynamically adjusted to ensure that the temperature uniformity of the first water-cooled plate A meets the requirements.

[0094] In one embodiment, the first water-cooled plate A and the second water-cooled plate B can share a single chiller, or they can each use their own independent chillers. Besides controlling the temperature of the target liquid flowing into the target local water-cooled plate B, the flow rate of the target liquid flowing into the local water-cooled plate B can also be controlled. For example, a temperature regulating device can be installed at the inlet of the local water-cooled plate B to control the temperature of the target liquid flowing into the target local water-cooled plate B, and a flow regulating device can also be installed at the inlet of the local water-cooled plate B to control the flow rate of the target liquid flowing into the local water-cooled plate B.

[0095] In one possible implementation, step S50 may be followed by the following step:

[0096] When the real-time temperature difference is less than or equal to the preset temperature difference threshold, the substrate that has been loaded with inkjet printing ink is placed above the first water-cooled plate A to dry the ink already loaded on the substrate.

[0097] Inkjet printing ink is printed onto a substrate, which is then placed in close contact with a first water-cooled plate A. The first water-cooled plate A is used to evaporate and dry the ink solvent on the substrate. After inkjet printing but before placing the substrate on the first water-cooled plate A for ink solvent evaporation and drying, the first water-cooled plate A undergoes temperature homogenization control. During this temperature homogenization control process, if the real-time temperature difference of the first water-cooled plate A is less than or equal to a preset temperature difference threshold, it indicates that the first water-cooled plate A has met the temperature homogenization requirements. At this point, the substrate already carrying inkjet printing ink can be placed on top of the first water-cooled plate A to dry the ink already on the substrate.

[0098] In one application scenario of the water-cooled plate control method of this application, motion axis 1 moves to the first observation position to calibrate the positions of the first water-cooled plate A and the thermal imaging camera C. The current temperature of the first water-cooled plate A is detected, and the temperature of the first water-cooled plate A and the thermal imaging image are calibrated. Cooling water is introduced into the local water-cooled plates Bi of the first water-cooled plate A and the second water-cooled plate B. After a preset time, motion axis 1 is started to scan the temperature of the first water-cooled plate A. Using the calibration results, the captured images are processed and stitched to obtain the temperature distribution map of the entire first water-cooled plate A and the temperature difference on the upper surface, and it is determined whether the temperature difference meets the requirements. If it does not meet the requirements, the temperature distribution of the first water-cooled plate A is input into a digital twin model to calculate the position that the local water-cooled plate Bi should move to and the target liquid temperature flowing into the target local water-cooled plate. The second water-cooled plate B is moved to that position, the target local water-cooled plate is turned on, and the liquid temperature flowing into the target local water-cooled plate is controlled to the target liquid temperature, achieving local heating and cooling, making the temperature of the first water-cooled plate A more uniform. The motion axis 1 is started to continue scanning the temperature of the water-cooled plate to determine whether the latest temperature difference meets the requirements. If it does not meet the requirements, the temperature control operation is repeated to achieve closed-loop control.

[0099] It should be noted that the above examples are only for understanding this application and do not constitute a limitation on the water-cooled plate control method of this application. Any simple modifications based on this technical concept are within the protection scope of this application.

[0100] This application also provides a water-cooled plate control device, please refer to... Figure 8 The water-cooled plate control device includes:

[0101] The acquisition module 10 is used to acquire the temperature distribution of the first water-cooled plate; wherein, the first water-cooled plate is an integral water-cooled plate suitable for drying ink carried on the substrate, the second water-cooled plate is a local water-cooled plate matrix, the local water-cooled plate matrix includes multiple local water-cooled plates to be opened, and the second water-cooled plate is movably set, and the movement of the second water-cooled plate is driven by the cooperation of the motion axis and the track.

[0102] The determination module 20 is used to determine the target position of the second water-cooled plate, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate based on the temperature distribution of the first water-cooled plate.

[0103] The control module 30 is used to move the second water-cooled plate to the target position, turn on the target local water-cooled plate, and control the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature.

[0104] In one embodiment, the acquisition module 10 is further configured to:

[0105] The first water-cooled plate is scanned in motion using a thermal imaging camera to obtain a thermal imaging scan image;

[0106] The temperature distribution of the first water-cooled plate is determined by stitching together the thermal imaging scan images.

[0107] In one embodiment, the determining module 20 is further configured to:

[0108] Based on the scanning area of ​​each motion scanning step when obtaining the thermal imaging scan image, the first water-cooled plate is divided to obtain the grid area of ​​the first water-cooled plate.

[0109] Based on the temperature difference between the overall temperature of the first water-cooled plate and the local temperature of each grid area of ​​the first water-cooled plate, the grid area with a temperature difference greater than a preset temperature difference threshold is determined as the target location of the second water-cooled plate.

[0110] In one embodiment, the determining module 20 is further configured to:

[0111] Construct digital twin models of the first and second water-cooled plates;

[0112] The temperature distribution of the first water-cooled plate is used as the initial state input and input into the digital twin model to simulate the target local water-cooled plate to be opened and the temperature of the target liquid flowing into the target local water-cooled plate.

[0113] In one embodiment, the water-cooled plate control device further includes a closed-loop module for:

[0114] After the steps of moving the second water-cooled plate to the target position, turning on the target local water-cooled plate, and controlling the temperature of the liquid flowing into the local water-cooled plate to the target liquid temperature:

[0115] Reacquire the temperature distribution of the first water-cooled plate;

[0116] Based on the latest temperature distribution of the first water-cooled plate, determine the real-time temperature difference of the first water-cooled plate;

[0117] When the real-time temperature difference is greater than the preset temperature difference threshold, return to the step of determining the target position of the second water-cooled plate, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate based on the temperature distribution of the first water-cooled plate, until the real-time temperature difference is less than or equal to the preset temperature difference threshold.

[0118] In one embodiment, the closed-loop module is further configured to:

[0119] After the step of determining the real-time temperature difference of the first water-cooled plate based on the latest temperature distribution of the first water-cooled plate:

[0120] When the real-time temperature difference is less than or equal to the preset temperature difference threshold, the substrate that has been loaded with inkjet printing ink is placed above the first water-cooled plate to dry the ink already loaded on the substrate.

[0121] The water-cooled plate control device provided in this application, employing the water-cooled plate control method described in the above embodiments, can solve the technical problems of inaccurate and inefficient temperature control of water-cooled plates. Compared with the prior art, the beneficial effects of the water-cooled plate control device provided in this application are the same as those of the water-cooled plate control method described in the above embodiments, and other technical features in the water-cooled plate control device are the same as those disclosed in the methods of the above embodiments, and will not be repeated here.

[0122] This application provides a water-cooled plate control device, which includes: at least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor to enable the at least one processor to execute the water-cooled plate control method in the above embodiment 1. The water-cooled plate control device also includes a second water-cooled plate, a first water-cooled plate, and a substrate stacked sequentially.

[0123] The following is for reference. Figure 9The diagram illustrates a structural schematic of a water-cooled plate control device suitable for implementing embodiments of this application. The water-cooled plate control device in the embodiments of this application may include, but is not limited to, mobile terminals such as mobile phones, laptops, digital broadcast receivers, PDAs (Personal Digital Assistants), PADs (Portable Application Description), PMPs (Portable Media Players), in-vehicle terminals (e.g., in-vehicle navigation terminals), and fixed terminals such as digital TVs and desktop computers. Figure 9 The water-cooled plate control device shown is merely an example and should not impose any limitations on the functionality and scope of use of the embodiments of this application.

[0124] like Figure 9 As shown, the water-cooled plate control device may include a processing unit 1001 (e.g., a central processing unit, a graphics processing unit, etc.), which can perform various appropriate actions and processes according to a program stored in the read-only memory 1002 or a program loaded from the storage device 1003 into the random access memory 1004. The random access memory 1004 also stores various programs and data required for the operation of the water-cooled plate control device. The processing unit 1001, the read-only memory 1002, and the random access memory 1004 are interconnected via a bus 1005. An input / output interface 1006 is also connected to the bus. Typically, the following systems can be connected to the input / output interface 1006: input devices 1007 including, for example, a touch screen, touchpad, keyboard, mouse, image sensor, microphone, accelerometer, gyroscope, etc.; output devices 1008 including, for example, a liquid crystal display (LCD), speaker, vibrator, etc.; storage devices 1003 including, for example, magnetic tape, hard disk, etc.; and communication devices 1009. Communication device 1009 allows the water-cooled plate control device to communicate wirelessly or wiredly with other devices to exchange data. Although the figures show water-cooled plate control devices with various systems, it should be understood that implementation or possession of all the systems shown is not required. More or fewer systems may be implemented alternatively.

[0125] Specifically, according to the embodiments disclosed in this application, the processes described above with reference to the flowcharts can be implemented as computer software programs. For example, embodiments disclosed in this application include a computer program product comprising a computer program carried on a computer-readable medium, the computer program containing program code for performing the methods shown in the flowcharts. In such embodiments, the computer program can be downloaded and installed from a network via a communication device, or installed from storage device 1003, or installed from read-only memory 1002. When the computer program is executed by processing device 1001, it performs the functions defined in the methods of the embodiments disclosed in this application.

[0126] The water-cooled plate control device provided in this application, employing the water-cooled plate control method described in the above embodiments, can solve the technical problems of inaccurate and inefficient temperature control of water-cooled plates. Compared with the prior art, the beneficial effects of the water-cooled plate control device provided in this application are the same as those of the water-cooled plate control method described in the above embodiments, and other technical features of this water-cooled plate control device are the same as those disclosed in the previous embodiment method, and will not be repeated here.

[0127] It should be understood that the various parts disclosed in this application can be implemented using hardware, software, firmware, or a combination thereof. In the description of the above embodiments, specific features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples.

[0128] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

[0129] This application provides a computer-readable storage medium having computer-readable program instructions (i.e., a computer program) stored thereon, the computer-readable program instructions being used to execute the water-cooled plate control method described in the above embodiments.

[0130] The computer-readable storage medium provided in this application may be, for example, a USB flash drive, but is not limited to, electrical, magnetic, optical, electromagnetic, infrared, or semiconductor systems or devices, or any combination thereof. More specific examples of computer-readable storage media may include, but are not limited to: electrical connections having one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination thereof. In this embodiment, the computer-readable storage medium may be any tangible medium containing or storing a program that can be used by or in conjunction with an instruction execution system or device. The program code contained on the computer-readable storage medium may be transmitted using any suitable medium, including but not limited to: wires, optical cables, RF (Radio Frequency), etc., or any suitable combination thereof.

[0131] The aforementioned computer-readable storage medium may be included in the water-cooled plate control device; or it may exist independently and not assembled into the water-cooled plate control device.

[0132] The aforementioned computer-readable storage medium carries one or more programs. When the aforementioned one or more programs are executed by the water-cooled plate control device, the water-cooled plate control device causes the following: to acquire the temperature distribution of the first water-cooled plate; wherein the first water-cooled plate is an integral water-cooled plate suitable for drying ink carried on a substrate, the second water-cooled plate is a matrix of local water-cooled plates, the local water-cooled plate matrix includes multiple local water-cooled plates to be opened, the second water-cooled plate is movably disposed, and the movement of the second water-cooled plate is driven by a motion axis cooperating with a track; based on the temperature distribution of the first water-cooled plate, to determine the target position of the second water-cooled plate, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate; to move the second water-cooled plate to the target position, to open the target local water-cooled plate, and to control the liquid temperature flowing into the target local water-cooled plate to the target liquid temperature.

[0133] Computer program code for performing the operations of this application can be written in one or more programming languages ​​or a combination thereof, including object-oriented programming languages ​​such as Java, Smalltalk, and C++, and conventional procedural programming languages ​​such as the "C" language or similar programming languages. The program code can be executed entirely on the user's computer, partially on the user's computer, as a standalone software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In cases involving remote computers, the remote computer can be connected to the user's computer via any type of network—including a Local Area Network (LAN) or a Wide Area Network (WAN)—or can be connected to an external computer (e.g., via the Internet using an Internet service provider).

[0134] The flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of systems, methods, and computer program products according to various embodiments of this application. In this regard, each block in a flowchart or block diagram may represent a module, segment, or portion of code containing one or more executable instructions for implementing a specified logical function. It should also be noted that in some alternative implementations, the functions indicated in the blocks may occur in a different order than those indicated in the drawings. For example, two consecutively indicated blocks may actually be executed substantially in parallel, and they may sometimes be executed in reverse order, depending on the functions involved. It should also be noted that each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, can be implemented using a dedicated hardware-based system that performs the specified function or operation, or using a combination of dedicated hardware and computer instructions.

[0135] The modules described in the embodiments of this application can be implemented in software or hardware. The names of the modules do not necessarily limit the functionality of the unit itself.

[0136] The readable storage medium provided in this application is a computer-readable storage medium that stores computer-readable program instructions (i.e., a computer program) for executing the above-described water-cooled plate control method, thereby solving the technical problems of inaccurate and inefficient water-cooled plate temperature control. Compared with the prior art, the beneficial effects of the computer-readable storage medium provided in this application are the same as those of the water-cooled plate control method provided in the above embodiments, and will not be repeated here.

[0137] This application also provides a computer program product, including a computer program that, when executed by a processor, implements the steps of the water-cooled plate control method described above.

[0138] The computer program product provided in this application can solve the technical problems of inaccurate and inefficient temperature control of water-cooled plates. Compared with the prior art, the beneficial effects of the computer program product provided in this application are the same as those of the water-cooled plate control method provided in the above embodiments, and will not be repeated here.

[0139] The above description is only a part of the embodiments of this application and does not limit the patent scope of this application. All equivalent structural transformations made under the technical concept of this application and using the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included in the patent protection scope of this application.

Claims

1. A method for controlling a water-cooled plate, characterized in that, The water-cooled plate control method is used in an inkjet printing device, which includes a second water-cooled plate, a first water-cooled plate, and a substrate stacked sequentially. The substrate is used to hold inkjet printing ink. The water-cooled plate control method includes: The temperature distribution of the first water-cooled plate is obtained; wherein the first water-cooled plate is an integral water-cooled plate suitable for drying the ink carried on the substrate, the second water-cooled plate is a local water-cooled plate matrix, the local water-cooled plate matrix includes multiple local water-cooled plates to be opened, the second water-cooled plate is movably set, and the movement of the second water-cooled plate is driven by the cooperation of the motion axis and the track. Based on the temperature distribution of the first water-cooled plate, determine the target location of the second water-cooled plate, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate. Move the second water-cooled plate to the target position, turn on the target local water-cooled plate, and control the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature; The step of obtaining the temperature distribution of the first water-cooled plate includes: A thermal imaging scan image is obtained by performing motion scanning on the first water-cooled plate using a thermal imaging camera. The thermal imaging scan images are stitched together, and the temperature distribution of the first water-cooled plate is determined from the stitched thermal imaging images. The step of determining the target location of the second water-cooled plate based on the temperature distribution of the first water-cooled plate includes: Based on the scanning area of ​​each motion scanning step when obtaining the thermal imaging scan image, the first water-cooled plate is divided to obtain the grid area of ​​the first water-cooled plate. Based on the temperature difference between the overall temperature of the first water-cooled plate and the local temperature of each grid area of ​​the first water-cooled plate, the grid area where the temperature difference is greater than a preset temperature difference threshold is determined as the target location of the second water-cooled plate.

2. The water-cooled plate control method as described in claim 1, characterized in that, The step of determining the target local water-cooled plate to be activated and the target liquid temperature flowing into the target local water-cooled plate based on the temperature distribution of the first water-cooled plate includes: Construct digital twin models of the first and second water-cooled plates; The temperature distribution of the first water-cooled plate is used as the initial state input and input into the digital twin model to simulate the target local water-cooled plate to be opened and the temperature of the target liquid flowing into the target local water-cooled plate.

3. The water-cooled plate control method as described in claim 1, characterized in that, After the steps of moving the second water-cooled plate to the target position, turning on the target local water-cooled plate, and controlling the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature, the following steps are included: Reacquire the temperature distribution of the first water-cooled plate; Based on the latest temperature distribution of the first water-cooled plate, determine the real-time temperature difference of the first water-cooled plate; When the real-time temperature difference is greater than the preset temperature difference threshold, the process returns to the step of determining the target position of the second water-cooled plate, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate based on the temperature distribution of the first water-cooled plate, until the real-time temperature difference is less than or equal to the preset temperature difference threshold.

4. The water-cooled plate control method as described in claim 3, characterized in that, After the step of determining the real-time temperature difference of the first water-cooled plate based on the latest temperature distribution of the first water-cooled plate, the method further includes: When the real-time temperature difference is less than or equal to a preset temperature difference threshold, the substrate that has been loaded with inkjet printing ink is placed above the first water-cooled plate to dry the ink already loaded on the substrate.

5. A water-cooled plate control device, characterized in that, The water-cooled plate control device implements the steps of the water-cooled plate control method as described in any one of claims 1 to 4, including: The acquisition module is used to acquire the temperature distribution of the first water-cooled plate; wherein, the first water-cooled plate is an integral water-cooled plate suitable for drying ink carried on the substrate, the second water-cooled plate is a local water-cooled plate matrix, the local water-cooled plate matrix includes multiple local water-cooled plates to be opened, and the second water-cooled plate is movably set, and the movement of the second water-cooled plate is driven by the cooperation of the motion axis and the track. The determination module is used to determine the target location of the second water-cooled plate, the target local water-cooled plate to be opened, and the target liquid temperature flowing into the target local water-cooled plate based on the temperature distribution of the first water-cooled plate. The control module is used to move the second water-cooled plate to the target position, turn on the target local water-cooled plate, and control the temperature of the liquid flowing into the target local water-cooled plate to the target liquid temperature.

6. A water-cooled plate control device, characterized in that, The water-cooled plate control device includes: a memory, a processor, and a computer program stored in the memory and executable on the processor, the computer program being configured to implement the steps of the water-cooled plate control method as described in any one of claims 1 to 4, and the water-cooled plate control device further includes a second water-cooled plate, a first water-cooled plate, and the substrate stacked sequentially.

7. A storage medium, characterized in that, The storage medium is a computer-readable storage medium, and a computer program is stored on the storage medium. When the computer program is executed by a processor, it implements the steps of the water-cooled plate control method as described in any one of claims 1 to 4.

8. A computer program product, characterized in that, The computer program product includes a computer program that, when executed by a processor, implements the steps of the water-cooled plate control method as described in any one of claims 1 to 4.

Images