Control device and control system

Abstract

The invention relates to a control device and a control system. The device comprises a voltage detection module for detecting the working voltage output by a fluid control module to an electrically-driven dispensing module, and an air pressure detection module for detecting the working air pressure output by the fluid control module to the electrically-driven dispensing module, the fluid control module is used for outputting working voltage and working air pressure to the electrically-driven dispensing module so as to control the electrically-driven dispensing module to carry out dispensing, and the temperature control module is used for detecting the working temperature of the electrically-driven dispensing module. By adopting the device, the working voltage, the working air pressure and the working temperature of the electrically-driven dispensing module can be respectively within the preset voltage range, the preset air pressure range and the first preset temperature range, so that the electrically-driven dispensing module can dispense glue based on stable working parameters; and by ensuring the stability of the electrically-driven dispensing module, the dispensing effect is ensured, and the control precision is relatively high.

Description

Technical Field

[0001] The present application relates to the technical field of closed-loop control, and particularly to a control device and a control system. Background Art

[0002] With the rapid development of electronic technology, dispensing technology has been more and more widely used in fields such as electronic assembly, semiconductor packaging, and optoelectronic component manufacturing. However, traditional dispensing technology has problems such as low control accuracy, slow response, susceptibility to environmental influence, and mechanical wear, resulting in the fact that traditional dispensing technology is increasingly difficult to meet the ever-increasing accuracy requirements for electronic products.

[0003] In order to enable dispensing technology to meet the ever-increasing accuracy requirements for electronic products nowadays, dispensing technology based on electrohydrodynamics (EHD) drive has emerged. EHD dispensing technology uses an electric field to drive glue non-contact to achieve dispensing, and thus has higher accuracy compared to traditional dispensing technology. However, there is still room for improvement in the working stability of current EHD dispensing technology, and the working stability has a great impact on the control accuracy of the dispensing effect. Summary of the Invention

[0004] Based on this, it is necessary to provide a control device and a control system that can ensure high control accuracy of the dispensing effect by ensuring the stability of the electro-driven dispensing module for the above technical problems.

[0005] In a first aspect, the present application provides a control device, including a voltage detection module, a pressure detection module, a fluid control module, and a temperature control module; the fluid control module is respectively connected to the voltage detection module, the pressure detection module, and the electro-driven dispensing module; the temperature control module is connected to the electro-driven dispensing module;

[0006] The fluid control module is configured to output a working voltage and a working pressure to the electro-driven dispensing module to control the electro-driven dispensing module to perform dispensing;

[0007] The voltage detection module is configured to detect the working voltage output by the fluid control module to the electro-driven dispensing module, and in the case where the working voltage is outside the preset voltage range, make the working voltage output by the fluid control module fall within the preset voltage range;

[0008] The pressure detection module is configured to detect the working pressure output by the fluid control module to the electro-driven dispensing module, and in the case where the working pressure is outside the preset pressure range, make the working pressure output by the fluid control module fall within the preset pressure range;

[0009] A temperature control module is used to detect the operating temperature of the electric drive dispensing module, and when the operating temperature of the electric drive dispensing module does not meet the first preset temperature range, the operating temperature of the electric drive dispensing module is brought within the first preset temperature range.

[0010] In a second aspect, the present application also provides a control system, including an electric drive dispensing module, a terminal device, and a control device as described in any one of the first aspects of the present application.

[0011] For the above control device and control system, the control device includes a voltage detection module, a pressure detection module, a fluid control module, and a temperature control module; the fluid control module is used to output an operating voltage and an operating pressure to the electric drive dispensing module to control the electric drive dispensing module to perform dispensing; the voltage detection module is used to detect the operating voltage output by the fluid control module to the electric drive dispensing module, and when the operating voltage is outside the preset voltage range, the operating voltage output by the fluid control module is brought within the preset voltage range; the pressure detection module is used to detect the operating pressure output by the fluid control module to the electric drive dispensing module, and when the operating pressure is outside the preset pressure range, the operating pressure output by the fluid control module is brought within the preset pressure range; the temperature control module is used to detect the operating temperature of the electric drive dispensing module, and when the operating temperature of the electric drive dispensing module does not meet the first preset temperature range, the operating temperature of the electric drive dispensing module is brought within the first preset temperature range. The control device provided by the present application can make the operating voltage, operating pressure, and operating temperature of the electric drive dispensing module be within the preset voltage range, preset pressure range, and first preset temperature range respectively, so that the electric drive dispensing module can perform dispensing based on stable operating parameters, and ensure that the dispensing effect has a high control accuracy by ensuring the stability of the electric drive dispensing module. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or related technologies, the following will briefly introduce the drawings required for use in the description of the embodiments of the present application or related technologies. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0013] Figure 1 It is a schematic structural diagram of a control device in an embodiment;

[0014] Figure 2 It is a schematic structural diagram of an electric drive dispensing module in an embodiment;

[0015] Figure 3 It is a schematic structural diagram of a control device in another embodiment;

[0016] Figure 4 It is a schematic structural diagram of a control system in an embodiment. Detailed implementation manners

[0017] To facilitate the understanding of the present application, the present application will be described more comprehensively below with reference to the relevant drawings. Embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the description of this application herein are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0019] It can be understood that the terms "first", "second", etc. used in the present application can be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish the first element from another element. For example, without departing from the scope of the present application, the first preset temperature range can be referred to as the second preset temperature range, and similarly, the second preset temperature range can be referred to as the first preset temperature range. Both the first preset temperature range and the second preset temperature range are preset temperature ranges, but they are not the same preset temperature range.

[0020] It can be understood that "connection" in the following embodiments should be understood as "electrical connection", "communication connection", etc. if there is an electrical signal or data transfer between the connected circuits, modules, units, etc.

[0021] It can be understood that "at least one" means one or more, and "a plurality" means two or more. "At least part of an element" means part or all of the element.

[0022] As used herein, the singular forms "a", "an" and "the" may also include the plural forms unless the context clearly dictates otherwise. It should also be understood that the terms "comprise / include" or "have" etc. specify the presence of the stated features, wholes, steps, operations, components, parts or combinations thereof, but do not preclude the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof. At the same time, the term "and / or" used in this specification includes any and all combinations of the related listed items.

[0023] This application is made by the inventors based on the understanding and research of the following problems:

[0024] With the development of dispensing technology and the increasing precision requirements for electronic products, the EHD dispensing technology has emerged. Since the EHD dispensing technology has higher control precision and faster response speed compared to traditional dispensing technologies, the application of the EHD dispensing technology is gradually becoming widespread. However, there is still room for improvement in the working stability of the current EHD dispensing technology, which may lead to difficulties in ensuring the quality of the dispensed finished products.

[0025] Based on this, the applicant found that the dispensing effect under the EHD dispensing technology depends to a large extent on the physical properties of the glue. At the same time, in practical applications, the dispensing effect may also be affected by changes in the external environment. Further, the applicant found that under the EHD dispensing technology, voltage and air pressure directly act on the dispensing device, and temperature directly affects the dispensing effect of the glue. Therefore, the applicant believes that if the voltage, air pressure, and temperature of the dispensing device can be ensured to be in a stable state, then the dispensing effect can also show high stability. In other words, if the working parameters of the dispensing device can be ensured to have sufficient stability, then the control precision of the dispensing effect can be further ensured.

[0026] Based on this, the present application provides a control device. As Figure 1 shown, the control device 10 includes a voltage detection module 102, an air pressure detection module 104, a fluid control module 106, and a temperature control module 108; the fluid control module 106 is respectively connected to the voltage detection module 102, the air pressure detection module 104, and the electric drive dispensing module; the temperature control module 108 is connected to the electric drive dispensing module.

[0027] The fluid control module 106 is configured to output a working voltage and a working air pressure to the electric drive dispensing module to control the electric drive dispensing module to perform dispensing.

[0028] .The voltage detection module 102 is configured to detect the working voltage output by the fluid control module 106 to the electric drive dispensing module, and in the case where the working voltage is outside the preset voltage range, cause the working voltage output by the fluid control module 106 to be within the preset voltage range.

[0029] The air pressure detection module 104 is configured to detect the working air pressure output by the fluid control module 106 to the electric drive dispensing module, and in the case where the working air pressure is outside the preset air pressure range, cause the working air pressure output by the fluid control module 106 to be within the preset air pressure range.

[0030] The temperature control module 108 is configured to detect the working temperature of the electric drive dispensing module, and in the case where the working temperature of the electric drive dispensing module does not meet the first preset temperature range, cause the working temperature of the electric drive dispensing module to be within the first preset temperature range.

[0031] Among them, the electric drive dispensing module refers to a module that uses an electric field to drive the ejection of glue and is used to achieve high-precision and high-response-speed dispensing. The electric drive dispensing module includes a feed pipe, a flow channel, and a nozzle. The flow channel is wrapped by the feed pipe, and the nozzle is connected to the flow channel.

[0032] Specifically, a working voltage is applied to the nozzle of the electric drive dispensing module by the fluid control module 106. Thus, based on the voltage difference formed between the nozzle of the electric drive dispensing module and the substrate, an electric field force is formed between the electric drive dispensing module and the substrate. The glue in the electric drive dispensing module is ejected from the nozzle under the action of the electric field force and is precisely deposited on the substrate. Specifically, since the glue is ejected under the action of the electric field force, the ejection mode of the glue in the electric drive dispensing module is a non-contact ejection with respect to the substrate.

[0033] Optionally, the voltage detection module 102 can be a voltage sensor or other devices that can perform the voltage detection function; the air pressure detection module 104 can be an air pressure sensor or other devices that can perform the air pressure detection function; the temperature control module 108 can be a temperature sensor or other devices that can perform the temperature detection function.

[0034] Optionally, the preset voltage range, the preset air pressure range, and the first preset temperature range can all be set in advance. Optionally, the preset voltage range and the preset air pressure range can be preset in the fluid control module 106, and the first preset temperature range can be preset in the temperature control module 108; alternatively, when the voltage detection module 102, the air pressure detection module 104, and the temperature control module 108 in the control device 10 are respectively connected to an external terminal device, the preset voltage range, the preset air pressure range, and the first preset temperature range can be preset in the terminal device.

[0035] Optionally, the preset voltage range can be within the preset voltage error range of the preset voltage. Optionally, the preset voltage can be 500V, 750V, 100V or other voltages, and the preset voltage error range can be ±4%, ±5%, ±10% or other voltage error ranges. Exemplarily, if the preset voltage is 500V and the preset voltage error range is ±4%, then the preset voltage range is 480V to 520V.

[0036] Optionally, the preset air pressure range can be within the preset air pressure error range of the preset air pressure. Optionally, the preset air pressure can be 50 kPa, 100 kPa, 200 kPa or other air pressures, and the preset air pressure error range can be ±3%, ±5%, ±10% or other air pressure error ranges. Exemplarily, if the preset air pressure is 100 kPa and the preset air pressure error range is ±5%, then the preset air pressure range is 95 kPa to 105 kPa.

[0037] Optionally, the first preset temperature range can be within the first preset temperature error range of the first preset temperature. Optionally, the first preset temperature can be 23 °C, 25 °C, 27 °C or other temperatures, and the first preset temperature error range can be ±4%, ±5%, ±10% or other temperature error ranges. Exemplarily, if the first preset temperature is 25 °C and the first preset temperature error range is ±4%, then the first preset temperature range is 24 °C to 26 °C.

[0038] Specifically, the greater the working voltage, the greater the electric field force formed between the electric drive dispensing module and the substrate. Under the action of a greater electric field force, the glue can be ejected from the nozzle of the electric drive dispensing module more quickly. Conversely, the same is true. Therefore, there is a positive correlation between the magnitude of the working voltage and the dispensing speed of the electric drive dispensing module.

[0039] Specifically, in addition to the working voltage, the working air pressure is also a physical parameter that directly acts on the glue in the electric drive dispensing module. That is to say, the working air pressure is also the driving force for ejecting the glue from the nozzle. On the one hand, the working air pressure helps to maintain the flow stability of the glue in the flow channel of the electric drive dispensing module, avoiding the phenomenon of glue stagnation or backflow in the flow channel; on the other hand, the working air pressure can reduce the possibility of air bubbles forming in the flow channel. Therefore, obviously, the stability of the working air pressure is directly related to the dispensing accuracy and consistency, and there is a positive correlation between the magnitude of the working air pressure and the dispensing speed of the electric drive dispensing module.

[0040] Specifically, on the one hand, the working temperature will directly affect the viscosity of the glue. Therefore, by maintaining the stability of the working temperature, the fluidity of the glue can be maintained so that the glue can be more easily ejected from the nozzle through flow; on the other hand, the working temperature will affect the curing speed of the glue. Therefore, by maintaining the stability of the working temperature, the curing speed of the glue can be maintained to avoid nozzle blockage and make it difficult to carry out dispensing smoothly.

[0041] Specifically, the working temperature of the electric drive dispensing module refers to the temperature of the glue in the flow channel of the electric drive dispensing module.

[0042] Optionally, the electrically driven dispensing module is located outside the control device 10. Thus, the electrically driven dispensing module can be replaced according to actual dispensing requirements. Optionally, the electrically driven dispensing module can also be integrally formed with the control device 10.

[0043] Specifically, by making the working voltage and the working air pressure output by the fluid control module 106 be within a preset voltage range and a preset air pressure range respectively, and making the working temperature of the electrically driven dispensing module be within a first preset temperature range, the dispensing line width of the electrically driven dispensing module can be made to be within a preset width range.

[0044] Specifically, by maintaining the working voltage, the working air pressure, and the working temperature within their respective stable ranges, on the one hand, the stability of the dispensing line width can be maintained, avoiding the phenomenon of low uniformity of the dispensing effect caused by the change of the dispensing line width during the dispensing process. On the other hand, the stability of the glue output amount of the electrically driven dispensing module can be maintained, avoiding waste of glue caused by adverse phenomena such as glue splashing during the dispensing process.

[0045] Specifically, the voltage detection module 102 is used to detect in real time the working voltage output by the fluid control module 106 to the electrically driven dispensing module; the air pressure detection module 104 is used to detect in real time the working air pressure output by the fluid control module 106 to the electrically driven dispensing module; the temperature control module 108 is used to detect in real time the working temperature of the electrically driven dispensing module.

[0046] Specifically, since the control device 10 provided in the present application can detect in real time the working voltage, the working air pressure, and the working temperature of the electrically driven dispensing module respectively, and can timely maintain the working voltage, the working air pressure, and the working temperature within the preset voltage range, the preset air pressure range, and the first preset temperature range respectively. Therefore, the control effect of the control device 10 provided in the present application on the working voltage, the working air pressure, and the working temperature of the electrically driven dispensing module is a closed-loop control effect. That is to say, the control device 10 provided in the present application is a closed-loop control device. Thus, the control accuracy of the electrically driven dispensing module can be ensured in real time.

[0047] The above control device includes a voltage detection module, a pressure detection module, a fluid control module, and a temperature control module; the fluid control module is configured to output a working voltage and a working pressure to the electric drive dispensing module to control the electric drive dispensing module to perform dispensing; the voltage detection module is configured to detect the working voltage output by the fluid control module to the electric drive dispensing module, and in the case where the working voltage is outside the preset voltage range, make the working voltage output by the fluid control module be within the preset voltage range; the pressure detection module is configured to detect the working pressure output by the fluid control module to the electric drive dispensing module, and in the case where the working pressure is outside the preset pressure range, make the working pressure output by the fluid control module be within the preset pressure range; the temperature control module is configured to detect the working temperature of the electric drive dispensing module, and in the case where the working temperature of the electric drive dispensing module does not satisfy the first preset temperature range, make the working temperature of the electric drive dispensing module be within the first preset temperature range. The control device provided in this application can make the working voltage, working pressure, and working temperature of the electric drive dispensing module be within the preset voltage range, preset pressure range, and first preset temperature range respectively, so that the electric drive dispensing module can perform dispensing based on stable working parameters, and ensure that the dispensing effect has a high control accuracy by ensuring the stability of the electric drive dispensing module.

[0048] Specifically, as Figure 2 shown, the working voltage refers to the voltage directly applied to the electric drive dispensing module. Since the substrate to be dispensed is connected to a ground signal, therefore, the working voltage is also the voltage difference between the electric drive dispensing module and the substrate. The working pressure refers to the air pressure in the space cavity formed by the tube wall of the supply pipe and the glue in the flow channel. The working temperature refers to the temperature of the tube wall of the supply pipe. Based on the principle of heat conduction, it is easy to understand that since the tube wall of the supply pipe is in direct contact with the glue in the supply pipe, therefore, the working temperature can also be understood as the temperature of the glue.

[0049] In an exemplary embodiment, the temperature control module is connected to a constant temperature water cooling device.

[0050] The temperature control module is further configured to, in the case where the working temperature of the electric drive dispensing module does not satisfy the first preset temperature range, cause the constant temperature water cooling device to adjust the temperature of the constant temperature water cooling device based on the working temperature and the first preset temperature range, so that the working temperature of the electric drive dispensing module is within the first preset temperature range.

[0051] Wherein, the constant temperature water cooling device is configured to obtain the working temperature of the temperature control module, and automatically adjust the cooling intensity of the constant temperature water cooling device based on the working temperature and the first preset temperature range to maintain the stability of the working temperature.

[0052] Specifically, the constant temperature water cooling device is a self-closed-loop control device. That is to say, a first preset temperature range is preset in the constant temperature water cooling device. Thus, the constant temperature water cooling device can adjust the working temperature on its own based on the working temperature and the first preset temperature range without relying on external terminal devices.

[0053] Specifically, when the working temperature of the electric drive dispensing module does not meet the first preset temperature range, the temperature control module sends the working temperature to the constant temperature water cooling device, so that the constant temperature water cooling device adjusts its temperature based on the working temperature and the first preset temperature range, making the working temperature of the electric drive dispensing module within the first preset temperature range.

[0054] Specifically, the constant temperature water cooling device determines a first temperature difference between the working temperature and the first preset temperature range based on the working temperature and the first preset temperature range. Thus, it adjusts the temperature of the constant temperature water cooling device based on the magnitude and direction of the first temperature difference. Exemplarily, if the first temperature difference shows that the working temperature still has a certain numerical distance from the minimum value of the first preset temperature range, the temperature of the constant temperature water cooling device is raised to make the working temperature of the electric drive dispensing module within the first preset temperature range.

[0055] In this embodiment, the temperature control module is connected to the constant temperature water cooling device. Thus, the constant temperature water cooling device can adjust its temperature based on the working temperature and the first preset temperature range, so that the working temperature of the electric drive dispensing module is within the first preset temperature range through the principle of heat conduction.

[0056] In an exemplary embodiment, the constant temperature water cooling device is connected to a terminal device. The constant temperature water cooling device is further configured to generate an operation log based on the adjusted working temperature and send the operation log to the terminal device.

[0057] In this embodiment, based on self-closed-loop control, the constant temperature water cooling device generates an operation log based on the adjusted working temperature and sends the operation log to the terminal device. Thus, the management personnel of the control device can monitor the operation status of the control device and the constant temperature water cooling device on the terminal device, and adjust the working performance of the control device or the constant temperature water cooling device in a timely manner.

[0058] In an exemplary embodiment, the voltage detection module and the fluid control module are respectively connected to the terminal device.

[0059] The voltage detection module is configured to send the working voltage to the terminal device when the working voltage is outside the preset voltage range, so that the terminal device adjusts the working voltage based on the working voltage, the preset voltage range, and the voltage correction algorithm, making the adjusted working voltage within the preset voltage range.

[0060] A fluid control module is configured to receive the adjusted working voltage from a terminal device and output the adjusted working voltage to an electric drive dispensing module to control the electric drive dispensing module for dispensing.

[0061] Among them, the terminal device can be various personal computers, laptop computers, smart phones, tablet computers, Internet of Things devices or other devices.

[0062] Optionally, the voltage correction algorithm can be a linear compensation method, a Kalman filtering algorithm, a look-up table method or other algorithms that can correct the working voltage.

[0063] Specifically, the terminal device determines the voltage difference between the working voltage and the preset voltage range based on the working voltage, the preset voltage range and the voltage correction algorithm. Thus, based on the magnitude and direction of the voltage difference, the voltage correction algorithm is used to adjust the working voltage. Exemplarily, if the voltage difference shows that the working voltage still has a certain numerical distance from the minimum value of the preset voltage range, the voltage correction algorithm will increase the working voltage so that the working voltage of the electric drive dispensing module is within the preset voltage range.

[0064] In an exemplary embodiment, after the terminal device adjusts the working voltage based on the working voltage, the preset voltage range and the voltage correction algorithm, it matches the adjusted working voltage with the preset voltage range; in the case where the matching result is that the working voltage does not match the preset voltage range, the adjusted working voltage is adjusted again based on the adjusted working voltage, the preset voltage range and the voltage correction algorithm until the adjusted working voltage is within the preset voltage range.

[0065] In another exemplary embodiment, when the number of times that the matching result between the adjusted working voltage detected by the terminal device and the preset voltage range shows that the working voltage does not match the preset voltage range reaches a preset number of times, a second warning signal is generated.

[0066] Among them, the second warning signal is used to notify the management personnel of the control device to maintain the control device or maintain the voltage correction function of the terminal device.

[0067] In this embodiment, the terminal device adjusts the working voltage based on the working voltage, the preset voltage range and the voltage correction algorithm, so that the adjusted working voltage is within the preset voltage range. Thus, based on the high-precision computing ability of the terminal device, the accuracy of voltage correction can be improved. Furthermore, the working voltage of the electric drive dispensing module can be accurately stabilized within the preset voltage range, and the high control accuracy of the dispensing effect can be ensured by ensuring the stability of the electric drive dispensing module.

[0068] In an exemplary embodiment, a voltage detection module is configured to send the working voltage to a fluid control module when the working voltage is outside a preset voltage range.

[0069] The fluid control module is further configured to adjust the working voltage based on the working voltage, the preset voltage range, and a voltage correction algorithm, so that the adjusted working voltage is within the preset voltage range, and output the adjusted working voltage to an electric drive dispensing module to control the electric drive dispensing module to perform dispensing.

[0070] Wherein, the adjustment principle of the fluid control module for adjusting the working voltage based on the working voltage, the preset voltage range, and the voltage correction algorithm is the same as that of the terminal device for adjusting the working voltage based on the working voltage, the preset voltage range, and the voltage correction algorithm, so it will not be elaborated here.

[0071] In this embodiment, by adjusting the working voltage by the fluid control module based on the working voltage, the preset voltage range, and the voltage correction algorithm, the adjusted working voltage is within the preset voltage range. Thus, based on the fast response ability of the fluid control module directly connected to the voltage detection module, the response speed of voltage correction can be improved. Furthermore, the working voltage of the electric drive dispensing module can be quickly stabilized within the preset voltage range, and the stability of the electric drive dispensing module is ensured to ensure that the dispensing effect has high control accuracy.

[0072] In an exemplary embodiment, the voltage detection module is further configured to determine the voltage difference between the working voltage and the preset voltage range; when the absolute value of the voltage difference is greater than a first preset threshold, send the working voltage to the terminal device, so that the terminal device adjusts the working voltage based on the working voltage, the preset voltage range, and the voltage correction algorithm, so that the adjusted working voltage is within the preset voltage range; when the absolute value of the voltage difference is less than the first preset threshold, send the working voltage to the fluid control module, so that the fluid control module adjusts the working voltage based on the working voltage, the preset voltage range, and the voltage correction algorithm, so that the adjusted working voltage is within the preset voltage range.

[0073] Wherein, when the working voltage is less than the minimum value of the preset voltage range, the absolute value of the voltage difference is the absolute value of the difference between the working voltage and the minimum value of the preset voltage range; when the working voltage is greater than the maximum value of the preset voltage range, the absolute value of the voltage difference is the absolute value of the difference between the working voltage and the maximum value of the preset voltage range.

[0074] In this embodiment, when the absolute value of the voltage difference is relatively large, it indicates that the degree of voltage deviation is relatively large at this time. Then, the working voltage needs to be continuously corrected. In this case, the terminal device is used to adjust the working voltage. On the one hand, it can ensure the adjustment accuracy of the working voltage. On the other hand, it can avoid excessive load on the fluid control module inside the control device, which may affect the performance of the fluid control module, and ensure that the electro-driven dispensing module still maintains dispensing stability during the working voltage adjustment process. When the absolute value of the voltage difference is relatively small, it indicates that the degree of voltage deviation is relatively small at this time. Then, the fluid control module 106 is used to adjust the working voltage, which can make the working voltage quickly return to the preset voltage range, and further ensure that the dispensing effect has a high control accuracy by ensuring sufficient stability of the adjustment speed during the working voltage adjustment process.

[0075] In an exemplary embodiment, the voltage detection module is further configured to detect the time of the working voltage output by the fluid control module to the electro-driven dispensing module, determine the change time of the working voltage according to the working voltage and the corresponding time, and make the change time of the working voltage output by the fluid control module fall within the preset time range when the change time is outside the preset time range.

[0076] Among them, the change time of the working voltage refers to the time length consumed for the voltage output by the fluid control module to the electro-driven dispensing module to reach the working voltage.

[0077] Specifically, since the working voltage may increase or decrease, the change time of the working voltage is at least one of the boost time of the working voltage, the buck time of the working voltage, and the complete voltage change time of the working voltage. The complete voltage change time of the working voltage is the change time when the working voltage first experiences a boost and then a buck, or the change time when the working voltage first experiences a buck and then a boost.

[0078] Optionally, the preset time range may be within the preset time error range of the preset time. Optionally, the preset time may be 0.1s, 0.3s, 0.5s or other times, and the preset time error range may be ±4%, ±5%, ±10% or other time error ranges. Exemplarily, the preset time is 0.5s and the preset time error range is ±10%, then the preset time range is 0.45s to 0.55s.

[0079] Further optionally, the preset time range can be determined based on the type of the change time of the working voltage, that is, the preset time range when the change time of the working voltage is the boost time of the working voltage may be different from the preset time range when the change time of the working voltage is the step-down time of the working voltage. Thus, the preset time range includes a preset boost time range and a preset step-down time range. Optionally, the preset boost time range can be within the preset boost time error range of the preset boost time, and the preset step-down time range can be within the preset step-down time error range of the preset step-down time.

[0080] Specifically, the settings of the preset boost time and the preset step-down time can refer to the preset time range. Similarly, the settings of the preset boost time error range and the preset step-down time error range can refer to the preset time error range, so they will not be elaborated here.

[0081] In this embodiment, the voltage detection module can, when the change time of the working voltage is outside the preset time range, make the change time of the working voltage output by the fluid control module fall within the preset time range. Thus, the situation where the dispensing process of the electric drive dispensing module is affected due to unreasonable boost time or step-down time is avoided. Specifically, in the case of too fast boost or too fast step-down, it may cause damage to the control device, and due to the sudden rise or sudden drop of the working voltage, the dispensing amount may suddenly increase or decrease, resulting in uneven dispensing line width and other adverse conditions. While in the case of too slow boost or too slow step-down, it may cause adverse conditions such as delay in dispensing action and curing of glue. Therefore, maintaining the change time of the working voltage output by the fluid control module within the preset time range ensures high control accuracy of the dispensing effect by ensuring the stability of the electric drive dispensing module.

[0082] In an exemplary embodiment, the air pressure detection module and the fluid control module are connected to the terminal device.

[0083] The air pressure detection module is used to send the working air pressure to the terminal device when the working air pressure is outside the preset air pressure range, so that the terminal device adjusts the working air pressure based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm, and makes the adjusted working air pressure fall within the preset air pressure range.

[0084] The fluid control module is used to receive the adjusted working air pressure from the terminal device and output the adjusted air pressure to the electric drive dispensing module to control the electric drive dispensing module to perform dispensing.

[0085] Among them, the air pressure correction algorithm can be a temperature compensation algorithm, a humidity compensation algorithm, an altitude correction algorithm, a machine learning correction algorithm, or other algorithms that can correct the working air pressure.

[0086] Specifically, the terminal device determines the air pressure difference between the working air pressure and the preset air pressure range based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm. Thus, based on the magnitude and direction of the air pressure difference, the air pressure correction algorithm is used to adjust the working air pressure. Exemplarily, if the air pressure difference shows that the working air pressure still has a certain numerical distance from the minimum value of the preset air pressure range, the air pressure correction algorithm will increase the working air pressure so that the working air pressure of the electric drive dispensing module is within the preset air pressure range.

[0087] In an exemplary embodiment, after the terminal device adjusts the working air pressure based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm, it matches the adjusted working air pressure with the preset air pressure range; in the case where the matching result shows that the working air pressure does not match the preset air pressure range, the adjusted working air pressure is adjusted again based on the adjusted working air pressure, the preset air pressure range, and the air pressure correction algorithm until the adjusted working air pressure is within the preset air pressure range.

[0088] In another exemplary embodiment, when the number of times the matching result between the adjusted working air pressure detected by the terminal device and the preset air pressure range shows that the working air pressure does not match the preset air pressure range reaches the preset number of times, a third warning signal is generated.

[0089] Among them, the third warning signal is used to notify the management personnel of the control device to maintain the control device or the air pressure correction function of the terminal device.

[0090] In this embodiment, the terminal device adjusts the working air pressure based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm, so that the adjusted working air pressure is within the preset air pressure range. Thus, based on the high-precision calculation ability of the terminal device, the accuracy of air pressure correction can be improved. Furthermore, the working air pressure of the electric drive dispensing module can be accurately stabilized within the preset air pressure range, and by ensuring the stability of the electric drive dispensing module, the dispensing effect can be ensured to have a high control accuracy.

[0091] In an exemplary embodiment, the air pressure detection module is used to send the working air pressure to the fluid control module when the working air pressure is outside the preset air pressure range.

[0092] The fluid control module is further used to adjust the working air pressure based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm, so that the adjusted working air pressure is within the preset air pressure range, and output the adjusted working air pressure to the electric drive dispensing module to control the electric drive dispensing module to perform dispensing.

[0093] Among them, the adjustment principle of the fluid control module for adjusting the working air pressure based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm is the same as that of the terminal device for adjusting the working air pressure based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm. Therefore, it will not be elaborated here.

[0094] In this embodiment, the fluid control module adjusts the working air pressure based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm, so that the adjusted working air pressure is within the preset air pressure range. Therefore, based on the fast response ability of the fluid control module directly connected to the air pressure detection module, the response speed of air pressure correction can be improved. Furthermore, the working air pressure of the electric drive dispensing module can be quickly stabilized within the preset air pressure range, ensuring high control accuracy of the dispensing effect by ensuring the stability of the electric drive dispensing module.

[0095] In an exemplary embodiment, the air pressure detection module is further configured to determine the air pressure difference between the working air pressure and the preset air pressure range; when the absolute value of the air pressure difference is greater than the first preset threshold, send the working air pressure to the terminal device, so that the terminal device adjusts the working air pressure based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm, so that the adjusted working air pressure is within the preset air pressure range; when the absolute value of the air pressure difference is less than the first preset threshold, send the working air pressure to the fluid control module, so that the fluid control module adjusts the working air pressure based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm, so that the adjusted working air pressure is within the preset air pressure range.

[0096] Among them, when the working air pressure is less than the minimum value of the preset air pressure range, the absolute value of the air pressure difference is the absolute value of the difference between the working air pressure and the minimum value of the preset air pressure range; when the working air pressure is greater than the maximum value of the preset air pressure range, the absolute value of the air pressure difference is the absolute value of the difference between the working air pressure and the maximum value of the preset air pressure range.

[0097] In this embodiment, when the absolute value of the air pressure difference is large, it indicates that the degree of air pressure deviation is large at this time. Then, the working air pressure needs to be continuously corrected. In this case, adjusting the working air pressure by the terminal device can, on the one hand, ensure the adjustment accuracy of the working air pressure, and on the other hand, avoid excessive load on the fluid control module inside the control device, which may affect the performance of the fluid control module, and ensure that the electric drive dispensing module still maintains dispensing stability during the working air pressure adjustment process. When the absolute value of the air pressure difference is small, it indicates that the degree of air pressure deviation is small at this time. Then, adjusting the working air pressure by the fluid control module can make the working air pressure quickly return to the preset air pressure range, ensuring the stability of the electric drive dispensing module by ensuring the adjustment speed of the working air pressure adjustment process, and further ensuring high control accuracy of the dispensing effect.

[0098] In an exemplary embodiment, as Figure 3 shown, the device further includes a temperature and humidity detection module 110.

[0099] The temperature and humidity detection module 110 is used to detect the internal temperature and / or internal humidity of the control device 10, and generate a first warning signal when the internal temperature is outside the second preset temperature range and / or the internal humidity is outside the preset humidity range.

[0100] Among them, the temperature and humidity detection module 110 can be an integrated temperature and humidity sensor or a discrete temperature and humidity sensor. Specifically, when the temperature and humidity detection module 110 is a discrete temperature and humidity sensor, the temperature and humidity detection module 110 is composed of a temperature sensor and a humidity sensor.

[0101] Specifically, the temperature and humidity detection module 110 is used to detect the internal temperature and / or internal humidity of the control device 10 in real time.

[0102] Optionally, the second preset temperature range can be within the second preset temperature error range of the second preset temperature. Optionally, the second preset temperature can be 23°C, 25°C, 27°C or other temperatures, and the second preset temperature error range can be ±4%, ±5%, ±10% or other temperature error ranges. Exemplarily, the second preset temperature is 25°C and the second preset temperature error range is ±4%, then the second preset temperature range is 24°C to 26°C.

[0103] Optionally, the preset humidity range can be within the preset humidity error range of the preset humidity. Optionally, the preset humidity can be 45%RH, 50%RH, 55%RH or other humidities, and the preset humidity error range can be ±4%, ±5%, ±10% or other humidity error ranges. Exemplarily, the preset humidity is 50%RH and the preset humidity error range is ±10%, then the preset humidity range is 45%RH to 55%RH.

[0104] Specifically, the first warning signal is used to notify the administrator of the control device 10 to maintain the control device 10 to control the internal temperature and / or internal humidity of the control device 10.

[0105] Optionally, in order to accurately detect the temperature and humidity conditions of the working environment near the electric drive dispensing module, the temperature and humidity detection module 110 can be fixedly installed at a position inside the control device 10 that is relatively close to the electric drive dispensing module. At the same time, the temperature and humidity detection module 110 does not directly contact the electric drive dispensing module. Optionally, the temperature and humidity detection module 110 can be located at a position within a preset distance range from the electric drive dispensing module inside the control device 10.

[0106] Specifically, similar to the working temperature of the electric drive dispensing module, the internal temperature of the control device 10 will also affect the viscosity and curing speed of the glue.

[0107] Specifically, if the internal humidity of the control device 10 is too high, it indicates that there is more moisture inside the control device 10. In this case, on the one hand, the glue will absorb the moisture inside the control device 10, resulting in the performance of the glue being affected. Exemplarily, when the glue absorbs water, it will affect the viscosity and curing speed of the glue; on the other hand, if the moisture inside the control device 10 enters the glue, it will cause bubbles to form in the glue, resulting in the uniformity and accuracy during the dispensing process being affected.

[0108] In this embodiment, the device further includes a temperature and humidity detection module for detecting the internal temperature and / or internal humidity of the control device. The temperature and humidity detection module generates a first warning signal when the internal temperature is outside the second preset temperature range and / or the internal humidity is outside the preset humidity range. Thus, by ensuring the stability of the internal temperature and / or internal humidity of the control device, on the one hand, it can ensure the stability of the glue performance to ensure the stability of the dispensing effect, and on the other hand, it can avoid adverse phenomena such as overheating, rusting, or corrosion of the metal components inside the control device, ensuring the stability of the control device performance. Furthermore, this embodiment can significantly ensure that the dispensing effect has a high control accuracy.

[0109] Optionally, the temperature and humidity detection module can be connected to the terminal device. Thus, the temperature and humidity detection module is also used to send the generated first warning signal to the terminal device for warning when the internal temperature is outside the second preset temperature range and / or the internal humidity is outside the preset humidity range.

[0110] In an exemplary embodiment, the temperature control module is located on the pipe wall of the feed pipe of the electric drive dispensing module.

[0111] In this embodiment, since the temperature control module is located on the pipe wall of the feed pipe of the electric drive dispensing module and there is a direct contact relationship between the pipe wall of the feed pipe and the glue in the flow channel, the temperature control module can directly detect the working temperature of the glue in the electric drive dispensing module, making the detected working temperature by the temperature control module have higher accuracy. Furthermore, it can more precisely maintain the working temperature of the electric drive dispensing module within the first preset temperature range, ensuring the stability of the electric drive dispensing module to ensure that the dispensing effect has a high control accuracy.

[0112] In an exemplary embodiment, the temperature control module includes a plurality of temperature sensors; the plurality of temperature sensors are evenly distributed along the pipe wall of the feed pipe of the electric drive dispensing module in a serpentine path.

[0113] Among them, the serpentine path means that multiple temperature sensors are arranged in an "S" shape or a spiral shape on the wall of the feeding tube along the axial direction of the feeding tube at a uniform pitch and angle.

[0114] Specifically, when the temperature control module includes multiple temperature sensors, the operating temperature of the electric drive dispensing module refers to the average temperature of the multiple temperature sensors.

[0115] In this embodiment, multiple temperature sensors are evenly distributed along the wall of the feeding tube of the electric drive dispensing module in a serpentine path. Thus, the layout of the uniform distribution in the serpentine path enables the multiple temperature sensors to cover different parts of the feeding tube, increasing the coverage area and uniformity of the temperature control module on the wall of the feeding tube. Furthermore, the temperature control module can more accurately detect the temperature distribution of the glue, avoiding the drawback that due to the fluid properties of the glue, the heat distribution is uneven, and further, when the number of temperature detection points is insufficient, the control of the operating temperature is not precise enough. By ensuring that the electric drive dispensing module has sufficient stability, the dispensing effect can be further ensured to have a high control precision.

[0116] It can be understood that the above control device can also adopt other forms, not limited to the forms already mentioned in the above embodiments, as long as it can achieve the function of improving the control precision of the electric drive dispensing module.

[0117] In an exemplary embodiment, a control system is provided. The control system includes an electric drive dispensing module, a terminal device, and the control device described in any one of the above device embodiments.

[0118] The application process of the above control system will be described in detail with a specific embodiment as follows:

[0119] As Figure 4 shown, the control system includes a control device 10, a terminal device 112, a constant temperature water cooling device 114, and an electric drive dispensing module 116; the control device 10 includes a voltage detection module 102, a pressure detection module 104, a fluid control module 106, a temperature control module 108, and a temperature and humidity detection module 110; the fluid control module 106 is respectively connected to the voltage detection module 102, the pressure detection module 104, and the electric drive dispensing module 116; the temperature control module 108 is connected to the electric drive dispensing module 116.

[0120] (1) The fluid control module 106, connected to the terminal device 112, is configured to receive the regulated working voltage from the terminal device 112 and output the regulated working voltage to the electric drive dispensing module 116 to control the electric drive dispensing module 116 to perform dispensing; and is configured to receive the regulated working air pressure from the terminal device 112 and output the regulated air pressure to the electric drive dispensing module 116 to control the electric drive dispensing module 116 to perform dispensing.

[0121] (2) The voltage detection module 102, connected to the terminal device 112, is configured to detect the working voltage output by the fluid control module 106 to the electric drive dispensing module 116. When the working voltage is outside the preset voltage range, it sends the working voltage to the terminal device 112, so that the terminal device 112 adjusts the working voltage based on the working voltage, the preset voltage range, and the voltage correction algorithm, so that the regulated working voltage is within the preset voltage range; it is also configured to detect the time of the working voltage output by the fluid control module 106 to the electric drive dispensing module 116, determine the change time of the working voltage according to the working voltage and the corresponding time, and when the change time is outside the preset time range, make the change time of the working voltage output by the fluid control module 106 within the preset time range.

[0122] (3) The air pressure detection module 104, connected to the terminal device 112, is configured to detect the working air pressure output by the fluid control module 106 to the electric drive dispensing module 116. When the working air pressure is outside the preset air pressure range, it sends the working air pressure to the terminal device 112, so that the terminal device 112 adjusts the working air pressure based on the working air pressure, the preset air pressure range, and the air pressure correction algorithm, so that the regulated working air pressure is within the preset air pressure range.

[0123] (4) The temperature control module 108, located on the pipe wall of the feed pipe of the electric drive dispensing module 116 and connected to the constant temperature water cooling device 114, is configured to detect the working temperature of the electric drive dispensing module 116. When the working temperature of the electric drive dispensing module 116 does not meet the first preset temperature range, it causes the constant temperature water cooling device 114 to adjust the temperature of the constant temperature water cooling device 114 based on the working temperature and the first preset temperature range, so that the working temperature of the electric drive dispensing module 116 is within the first preset temperature range.

[0124] (5) The temperature and humidity detection module 110 is configured to detect the internal temperature and / or internal humidity of the control device 10, and generate a first warning signal when the internal temperature is outside the second preset temperature range and / or the internal humidity is outside the preset humidity range.

[0125] In this embodiment, the control device can, in cooperation with the terminal device and the constant temperature water cooling device, keep the working voltage, working air pressure, and working temperature of the electric drive dispensing module within a preset voltage range, a preset air pressure range, and a first preset temperature range respectively, so that the electric drive dispensing module can perform dispensing based on stable working parameters. Thus, the control system can further ensure a high control accuracy of the dispensing effect by ensuring sufficient stability of the electric drive dispensing module.

[0126] In the description of this specification, the descriptions referring to the terms "some embodiments", "other embodiments", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic description of the above terms does not necessarily refer to the same embodiment or example.

[0127] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0128] The above-described embodiments only represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the present application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A control device, characterized in that, It includes a voltage detection module, a pressure detection module, a fluid control module, and a temperature control module; the fluid control module is respectively connected to the voltage detection module, the pressure detection module, and an electric drive dispensing module; the temperature control module is connected to the electric drive dispensing module; The fluid control module is configured to output a working voltage and a working pressure to the electric drive dispensing module to control the electric drive dispensing module to perform dispensing; The voltage detection module is configured to detect the working voltage output by the fluid control module to the electric drive dispensing module, and in the case where the working voltage is outside a preset voltage range, make the working voltage output by the fluid control module fall within the preset voltage range; The pressure detection module is configured to detect the working pressure output by the fluid control module to the electric drive dispensing module, and in the case where the working pressure is outside a preset pressure range, make the working pressure output by the fluid control module fall within the preset pressure range; The temperature control module is configured to detect the working temperature of the electric drive dispensing module, and in the case where the working temperature of the electric drive dispensing module does not meet a first preset temperature range, make the working temperature of the electric drive dispensing module fall within the first preset temperature range.

2. The device according to claim 1, wherein The temperature control module is connected to a constant temperature water cooling device; The temperature control module is further configured to, in the case where the working temperature of the electric drive dispensing module does not meet the first preset temperature range, cause the constant temperature water cooling device to adjust the temperature of the constant temperature water cooling device based on the working temperature and the first preset temperature range, so that the working temperature of the electric drive dispensing module falls within the first preset temperature range.

3. The device according to claim 1, characterized in that, The voltage detection module and the fluid control module are respectively connected to a terminal device; The voltage detection module is configured to, in the case where the working voltage is outside the preset voltage range, send the working voltage to the terminal device, so that the terminal device adjusts the working voltage based on the working voltage, the preset voltage range, and a voltage correction algorithm, and make the adjusted working voltage fall within the preset voltage range; The fluid control module is configured to receive the adjusted working voltage from the terminal device and output the adjusted working voltage to the electric drive dispensing module to control the electric drive dispensing module to perform dispensing.

4. The device according to claim 1, characterized in that, The voltage detection module is configured to, in the case where the working voltage is outside the preset voltage range, send the working voltage to the fluid control module; The fluid control module is further configured to adjust the working voltage based on the working voltage, the preset voltage range, and a voltage correction algorithm, make the adjusted working voltage fall within the preset voltage range, and output the adjusted working voltage to the electric drive dispensing module to control the electric drive dispensing module to perform dispensing.

5. The device according to claim 1, characterized in that, The voltage detection module is further configured to detect the time of the working voltage output by the fluid control module to the electric drive dispensing module, determine the change time of the working voltage according to the working voltage and the corresponding time, and in the case where the change time is outside the preset time range, make the change time of the working voltage output by the fluid control module fall within the preset time range.

6. The device according to claim 1, characterized in that, The air pressure detection module and the fluid control module are connected to the terminal device; The air pressure detection module is configured to send the working air pressure to the terminal device in the case where the working air pressure is outside the preset air pressure range, so that the terminal device adjusts the working air pressure based on the working air pressure, the preset air pressure range and the air pressure correction algorithm, and makes the adjusted working air pressure fall within the preset air pressure range; The fluid control module is configured to receive the adjusted working air pressure from the terminal device and output the adjusted air pressure to the electric drive dispensing module to control the electric drive dispensing module to perform dispensing.

7. The device according to claim 1, characterized in that The air pressure detection module is configured to send the working air pressure to the fluid control module in the case where the working air pressure is outside the preset air pressure range; The fluid control module is further configured to adjust the working air pressure based on the working air pressure, the preset air pressure range and the air pressure correction algorithm, make the adjusted working air pressure fall within the preset air pressure range, and output the adjusted working air pressure to the electric drive dispensing module to control the electric drive dispensing module to perform dispensing.

8. The device according to claim 1, characterized in that, The device further includes a temperature and humidity detection module; The temperature and humidity detection module is configured to detect the internal temperature and / or internal humidity of the control device, and generate a first warning signal in the case where the internal temperature is outside the second preset temperature range and / or the internal humidity is outside the preset humidity range.

9. The device according to any one of claims 1-8, characterized in that The temperature control module is located on the pipe wall of the supply pipe of the electric drive dispensing module.

10. A control system, characterized in that, The control system includes an electric drive dispensing module, a terminal device, and a control device according to any one of claims 1-9.

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