A method, device and apparatus for adjusting current limit value
By dynamically adjusting the current limit value, the problem of current mismatch during welding is solved, the welding quality and stability are improved, and the operation process is simplified.
Patent Information
- Application Number
- CN202210674357.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-06-15
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2042-06-15
AI Technical Summary
In the existing circuit board welding process, the fixed current limit value leads to welding energy mismatch, poor welding quality and stability, and complicated operation.
By obtaining the current current limit value, preset panel parameters and actual parameters, the current limit value is adjusted to match the welding requirements, and the preset change calculation strategy and feedback parameter logic are adopted to achieve dynamic adjustment of the target current limit value.
It improves welding quality and stability, enhances the adaptability of wire rod elongation, and improves the matching of welding energy and ease of operation.
Smart Images
Figure CN115026383B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of electrical equipment welding, and in particular to a current limit value adjustment method, device and equipment. Background Art
[0002] With the rapid development of fields such as integrated circuit layout design and integrated application of electronic equipment, the universal demand for circuit board welding equipment in the industrial production, processing and basic research and design of mechanical equipment is increasing day by day. The market demand has put forward higher requirements on the performance and operational versatility of welding equipment. Among them, in the field of integrated circuit welding, the welding of existing circuit boards is generally difficult to control, the welding process is relatively complicated, and the operation requirements for operators are relatively high.
[0003] Traditional welding processes typically use a current limiting parameter circuit to set a fixed parameter value. If an arc breaks during welding, the fixed parameter value provides a current to maintain the arc. However, this approach limits the range of rod extension and suboptimal welding energy matching, resulting in poor stability in certain current ranges and low weld quality. Summary of the Invention
[0004] The present application provides a current limit value adjustment method and device, which aims to solve the problem of matching the current limit value with the parameter range as required and improving the adaptability of the welding wire rod elongation during the welding process through corresponding parameters, matching the appropriate welding energy, and improving welding stability and welding quality.
[0005] A first aspect of an embodiment of the present application provides a method for adjusting a current limit value, the method for adjusting the limit value comprising:
[0006] Obtaining the current current limit value, preset panel parameters, and actual parameters; wherein the preset panel parameters are stored in the server storage panel, and the actual parameters are obtained through the inverter and the subsequent circuit;
[0007] When the preset panel parameters and the actual parameters are inconsistent, the current limit value is adjusted according to the preset panel parameters and the actual panel parameters to obtain a target current limit value.
[0008] In one embodiment, adjusting the current limit value according to the preset panel parameters and the actual parameters to obtain a target current limit value includes:
[0009] Calculating a current limit value variation according to the preset panel parameters, the actual parameters, the current current limit value and a preset variation calculation strategy;
[0010] The current current limit value is adjusted according to the current limit value variation to obtain a target current limit value.
[0011] In one embodiment, the preset panel parameters include a preset welding current and a preset welding voltage; and the actual parameters include an actual welding current and an actual welding voltage.
[0012] In one embodiment, the current limit value variation includes a first variation and a second variation;
[0013] The current limit value variation is calculated according to the preset panel parameters, the actual parameters, the current current limit value, and a preset variation calculation strategy, including:
[0014] The first variation is obtained by calculating according to the preset welding current, the actual welding current, the current current limit value and a first calculation strategy;
[0015] The second variation is obtained by calculation according to the preset welding voltage, the actual welding voltage, the current current limit value and a second calculation strategy.
[0016] In one embodiment, after obtaining the current current limit value, the preset panel parameters and the actual panel parameters, the method further includes:
[0017] When the preset panel parameters are consistent with the actual panel parameters, the current current limit value is used as the target current limit value.
[0018] In one embodiment, the preset parameters include:
[0019] Preset panel parameters, the preset panel parameters are adjusted through multiple parameter knobs set on the panel, and the parameter adjustment knobs can adjust parameters including one or more of voltage parameters, current parameters, material parameters, gas parameters, and material diameter parameter types.
[0020] A second aspect of an embodiment of the present application provides a current limit value adjustment device including:
[0021] An acquisition unit, the acquisition unit acquiring a current current limit value, preset panel parameters, and actual parameters; wherein the preset panel parameters are stored in a server storage panel, and the actual parameters are acquired through an inverter and a subsequent circuit;
[0022] A processing unit, when the processing unit identifies that the preset panel parameter and the actual parameter are inconsistent, adjusts the current limit value according to the preset panel parameter and the actual panel parameter to obtain a target current limit value.
[0023] A third aspect of an embodiment of the present invention provides a device for adjusting a current limit value, comprising a panel, a controller, an inverter, a subsequent circuit, and a computer program stored in the memory and executable on a processor. When the processor executes the computer program, the method described in the first aspect above is implemented.
[0024] A fourth aspect of an embodiment of the present invention provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method described in the first aspect is implemented.
[0025] Compared with the prior art, the embodiments of the present invention have the following beneficial effects:
[0026] The above scheme obtains matching parameters and sets corresponding parameter interfaces to connect various functional units, matching the obtained current current limit value, preset panel parameters, and actual parameters. When the preset panel parameters and the actual parameters are inconsistent, the current current limit value is adjusted according to the preset panel parameters and the actual panel parameters to obtain the target current limit value. This application adds corresponding parameter feedback and parameter comparison logical steps to the existing technology. The designed new method can match the appropriate target current limit value based on the preset parameters and the actual parameters, and improve the welding quality and welding energy stability by judging the corresponding parameter matching and the adaptability of the welding process rod elongation. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0028] Figure 1 This is an example step diagram of a current limit value adjustment method according to an embodiment of the present application;
[0029] Figure 2 This is an example step diagram of obtaining a target current limit value according to an embodiment of the present application;
[0030] Figure 3 This is an example step diagram of the change amount of the current limit value according to the embodiment of the present application;
[0031] Figure 4 is a coordinate diagram of the welding current changing with time to reach the current limit value in an embodiment of the present application;
[0032] Figure 5 This is a reference schematic diagram of the welding wire elongation test in the embodiment of the present application;
[0033] Figure 6 This is a schematic diagram of a device for adjusting a current limit value according to an embodiment of the present application;
[0034] Figure 7 2 is a schematic diagram of a device for adjusting a current limit value provided in an embodiment of the present application. DETAILED DESCRIPTION
[0035] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.
[0036] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.
[0037] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this application.
[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.
[0039] The current limit value adjustment method provided in the embodiments of the present application can be applied to power electronic devices such as mobile phone circuit boards, tablet computer core chips, wearable device hardware devices, integrated circuit devices, power equipment, welding equipment, internal chips or circuit boards of augmented reality (AR) / virtual reality (VR) devices, and ultra-mobile personal computer (UMPC) core processors. The embodiments of the present application do not impose any restrictions on the specific types of power electronic devices.
[0040] It should be understood that the size of the serial numbers of each step in this embodiment does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiment of this application.
[0041] The present invention provides a method for adjusting current limit values, which can be applied to welding devices. For example, operators in the mechanical equipment processing industry and laboratories can use welding devices to add a logic function to compare the current limit value with a preset value on hardware devices such as circuit boards or power equipment boards. This method can instantly determine the value of circuit parameters and promptly match the corresponding operation.
[0042] See Figure 1 , Figure 1 1 is a schematic flow chart of a current limit value adjustment method provided by the first embodiment of the present application. The first aspect of the embodiment of the present application provides a current limit value adjustment method, the method for adjusting the limit value includes:
[0043] S101: Acquire a current current limit value, preset panel parameters, and actual parameters; wherein the preset panel parameters are stored in a server storage panel, and the actual parameters are acquired through an inverter and a subsequent circuit;
[0044] In this embodiment, the preset parameters include preset panel parameters, which include preset welding current and preset welding voltage, as well as other corresponding parameters measured as needed. For example, the preset panel parameters are adjusted by multiple parameter knobs set on the panel. The parameter adjustment knobs can adjust parameters including one or more of voltage parameters, current parameters, material parameters, gas parameters, and material diameter parameters. The specific parameter settings and mode selections need to be determined according to the research purpose and production requirements. For example, the parameters selected are: welding material: steel carbon steel, shielding gas: Ar 80% & CO2 20%, welding wire diameter: 0.8, welding current 60-70A, set speed 3.5m / min, set voltage 18.5V, current limit value Ida1; when the set parameter items change, the current limit value changes accordingly, for example, the shielding gas changes: welding material: steel carbon steel, shielding gas: CO2 100%, welding wire diameter: 0.8, welding current 60-70A, set speed 3.5m / min, set voltage 18.5V, current limit value Ida2. Ida1 and Ida2 are different in most cases, but may be the same in some cases.
[0045] In this embodiment, the actual parameters include one or more of the welding feedback voltage and the welding feedback current. The parameters finally obtained have certain uncertainties and may be affected by the corresponding environment, equipment or incorrect operation of the operator. When the actual parameters also include multiple feedback parameters, for example, there are noise parameters that affect the feedback parameters, corresponding filtering devices can also be set in the corresponding parameter interface to ensure that the corresponding parameters to be matched are accurately obtained, thereby improving the efficiency of parameter acquisition.
[0046] Exemplarily, different parameter-to-match interfaces obtain corresponding parameters to be matched, and the corresponding parameters are obtained based on the currently set interface. For example, when the parameter-to-match interface is for obtaining preset welding current parameters, the corresponding parameter-to-match interface is the preset welding current interface, which obtains the corresponding current parameters; when the parameter-to-match interface is for obtaining preset welding voltage parameters, the corresponding parameter-to-match interface is the preset welding voltage interface, which obtains the corresponding voltage parameters.
[0047] S102: When the preset panel parameters and the actual parameters are inconsistent, the current limit value is adjusted according to the preset panel parameters and the actual panel parameters to obtain a target current limit value.
[0048] In this embodiment, the device compares the preset panel parameters with the actual parameters. When the actual welding current and voltage are inconsistent with the current and voltage corresponding to the preset speed, the current limit value is recalculated based on the actual current and voltage; when the actual welding current and voltage are consistent with the current and voltage corresponding to the preset speed, the current limit value is matched according to the set parameters to obtain the target current limit value.
[0049] Specifically, when the acquired parameters meet the preset parameter matching quantity and type, the matching system will receive the task instructions issued by each interface, and the corresponding logic circuit will match the set welding parameters and feedback voltage and current signals to the welding current limit value parameters. When the actual welding parameters are inconsistent with the preset welding parameters, the program will execute the next subroutine and recalculate the current limit value according to the actual parameters. When the parameters match consistently, it will return to the previous step to directly match the current limit value according to the preset parameters. If the types of parameters and judgment criteria are increased, the logic device can be added accordingly to compare the parameters that need to be matched one by one. There is no specific limit on the logic judgment steps. In the actual research process, the logic judgment steps can be increased or reduced according to the needs of experimental data collection.
[0050] It should be noted that the method for obtaining the current limit value is applied to various types of industrial production, line welding and mechanical processing research. This embodiment is used for a welding device. When the welding device is in different working conditions, the corresponding device changes in the feedback current and welding voltage so that the operating equipment can match the appropriate current limit parameters, thereby improving the adaptability of the wire rod elongation change during welding and the matching of the metal molten pool energy.
[0051] In this embodiment, the steps are possible implementation methods of the present application, and the current limit value adjustment method is realized through relevant creative designs. The method includes: when the steps are completed, the parameter interface obtains the current current limit value, preset panel parameters and actual parameters, and the obtained parameters will be preset according to the corresponding logic circuit. Calculation strategy steps.
[0052] Specifically, see Figure 2 , Figure 2 This is an example step diagram of obtaining a target current limit value in an embodiment of the present application. The step adjusts the current limit value according to the preset panel parameters and the actual parameters to obtain the target current limit value, including:
[0053] S201: Calculating a current limit value variation according to the preset panel parameters, the actual parameters, the current current limit value, and a preset variation calculation strategy.
[0054] Specifically, the current limit value change is calculated based on the preset panel parameters, the actual parameters, the current current limit value and the preset change calculation strategy. It should be noted that the current limit value change is calculated through the changes in the feedback current and welding voltage.
[0055] In one embodiment, the preset change calculation strategy can be divided into multiple sub-task steps, and the corresponding parameter change is calculated through the sub-task steps. The corresponding parameter change is the current limit value change, and the corresponding sub-task steps are related to the corresponding parameter change and multiple feedback parameters. For example, the current limit value change can be obtained with the feedback current change and the feedback voltage change, and the corresponding current limit value is recorded in real time to improve the performance of the device.
[0056] In one embodiment, the change in the current limit value includes a first change and a second change; when calculating the change in the current limit value, the device can calculate the first change based on the preset welding current, the actual welding current, the current current limit value and the first calculation strategy; and calculate the second change based on the preset welding voltage, the actual welding voltage, the current current limit value and the second calculation strategy.
[0057] In one embodiment, see Figure 4 , Figure 4 This is a coordinate diagram of the welding current changing over time to reach the current limit value in an embodiment of the present application. For example, the current limit value of the present application is matched according to the set parameters and the feedback current and voltage changes. The matching method adjusts the current current limit value according to the preset panel parameters and the actual panel parameters to obtain the target current limit value. The following method can be used:
[0058] The current limit value variation is calculated according to the preset panel parameters, the actual parameters, the current current limit value and the preset variation calculation strategy; the current current limit value is adjusted according to the current limit value variation to obtain the target current limit value, and the actual welding wire rod elongation of the equipment is matched through feedback parameters.
[0059] Wherein, the preset panel parameters include a preset welding current and a preset welding voltage; and the actual parameters include an actual welding current and an actual welding voltage.
[0060] Among them, the above S201 includes S301-S302, please refer to Figure 3 , Figure 3 This is an example step diagram of calculating the current limit value change in an embodiment of the present application, wherein the current limit value change includes a first change and a second change; the current limit value change is calculated based on the preset panel parameters, the actual parameters, the current current limit value, and the preset change calculation strategy, including:
[0061] S301: Calculate the first variation according to the preset welding current, the actual welding current, the current current limit value, and a first calculation strategy.
[0062] Exemplarily, the first variation is obtained by calculating according to the preset welding current, the actual welding current, the current current limit value and the first calculation strategy; it should be noted that the first calculation strategy is a subtask step of the preset variation calculation strategy, and the first variation obtained by the first calculation strategy is the variation of the current limit value as the feedback current changes. The first calculation strategy can be obtained according to the formula The first change is calculated. It should be noted that the corresponding numerical symbols in the formula represent: Imin1 is the change in the current limit value, Ida is the current limit value matched according to the welding parameters, Iset is the welding current setting value, and Io is the current welding current value.
[0063] S302: Calculate the second variation according to the preset welding voltage, the actual welding voltage, the current current limit value, and a second calculation strategy.
[0064] For example, the second variation is obtained by calculating the preset welding voltage, the actual welding voltage, the current current limit value, and the second calculation strategy. It should be noted that the second calculation strategy is another subtask step of the preset variation calculation strategy. The second variation obtained by the second calculation strategy is the variation of the current limit value as the feedback voltage changes. The second calculation strategy can be calculated according to the formula The second change is calculated. It should be noted that the corresponding numerical symbols in the formula represent: Imin2 is the change in the current limit value, Ida is the current limit value matched according to the welding parameters, Uset is the welding voltage setting value, and Uo is the current welding voltage value.
[0065] It should be noted that when the current limit value is adjusted according to the current limit variation to obtain the target limit value, the system performs a parameter matching step.
[0066] Here, according to the calculation formula Imin=Ida+Imin1+Imin2 in the system, the operation system automatically calls the value of the current limit value change calculated by the above calculation strategy to obtain the target current limit value Imin.
[0067] S202: Adjust the current limit value according to the current limit value variation to obtain a target current limit value.
[0068] In one embodiment, the target current limit value obtained by the current limit value adjustment method is used for a welding device, and the target current limit value is used to determine the change range of the welding wire of the welding device. Figure 5 , Figure 5 This is a reference diagram for the wire elongation test in this application. When the welding current is lower than the set welding current, the welding voltage increases, the rod elongation increases, and the current limit value is reduced. It should be noted that after the system calculates the corresponding parameter results, the test in this embodiment can clearly determine the magnitude of the change in wire rod elongation. If the current is higher than the set welding current, the welding voltage decreases, the rod elongation shortens, and the current limit value is increased.
[0069] In one embodiment, the preset parameters include:
[0070] Preset panel parameters, the preset panel parameters are adjusted through multiple parameter knobs set on the panel, the parameter adjustment knobs can adjust parameters including one or more of voltage parameters, current parameters, material parameters, gas parameters, and material diameter parameter types. The specific parameter selection is selected according to the experimental and research needs, and there is no specific restriction on the parameter selection.
[0071] See Figure 6 , Figure 6This is a schematic diagram of a parameter acquisition module for adjusting the current limit value provided by the second embodiment of the present application. The various units included in the device 4 are used to perform Figure 1-Figure 3 Each step in the corresponding embodiment. Please refer to Figure 1-Figure 3 For ease of explanation, only the parts related to this embodiment are shown.
[0072] Specifically, a second aspect of an embodiment of the present application provides a current limit value adjustment device 4 including:
[0073] An acquisition unit 401 acquires a current current limit value, preset panel parameters, and actual parameters; wherein the preset panel parameters are stored in a server storage panel, and the actual parameters are acquired through an inverter and a subsequent circuit;
[0074] The processing unit 402 adjusts the current limit value according to the preset panel parameters and the actual panel parameters to obtain a target current limit value when the processing unit identifies that the preset panel parameters and the actual panel parameters are inconsistent.
[0075] It should be noted that the acquisition unit can be divided into multiple sub-units, such as multiple sub-acquisition units and multiple sub-distribution units. The multiple sub-acquisition units are respectively connected to the multiple sub-distribution units, and according to the parameter settings and the signal feedback of the actual parameters, the corresponding sub-acquisition units obtain the parameters output by the corresponding sub-distribution units at different ports or the same port, wherein the first acquisition unit sets multiple ports to obtain the corresponding current current limit value, preset parameters and actual parameters; the second acquisition unit, the second acquisition unit sets multiple ports to obtain the corresponding target limit value, preset parameters and actual parameters; the first distribution unit, the first distribution unit sets multiple ports to output the preset parameters to the first acquisition unit and the second acquisition unit; the second distribution unit, the second distribution unit sets multiple ports to output the actual parameters to the first acquisition unit and the second acquisition unit.
[0076] In this embodiment, the first acquisition unit receives the parameter results calculated or set by the first allocation unit and the second allocation unit. The first acquisition unit allocates the corresponding logic device, performs digital logic operations on the acquired parameter results, and outputs the target parameter results to the second acquisition unit to achieve accurate transmission of the parameters.
[0077] Preferably, when the second acquisition unit is allocated a corresponding control device for adjusting the acquired voltage and current parameters, and can be divided into a multi-level control sub-unit based on the corresponding adjustment function, when the multi-level sub-units respectively acquire the voltage error signal and the current error signal, the multi-level sub-units can be divided into a voltage control unit and a current control unit; the voltage control unit acquires the panel voltage parameter preset by the first allocation unit and the voltage parameter fed back by the second allocation unit, and obtains the voltage error signal through corresponding logical operations; the current control unit acquires the target current limit value and the arc signal fed back by the voltage error signal of the voltage control unit to obtain the current error signal and trigger the corresponding drive signal, wherein the drive signal can be the corresponding signal obtained by PWM pulse processing, and the specific device for processing the pulse can be selected according to the actual function implementation.
[0078] In this embodiment, the signal parameters of the second acquisition unit and the second distribution unit can be bidirectionally conducted. In this embodiment, multiple interface connection points may be set as appropriate, but the specific interface positions and numbers can be set according to the production requirements of the device. For example, on the one hand, the second distribution unit can obtain the driving signal processed by the second acquisition unit, and on the other hand, the second distribution unit distributes the feedback voltage signal and the feedback current signal to different sub-control units of the second acquisition unit, wherein the feedback voltage parameter enters the voltage control unit, and the feedback current parameter enters the current control unit. The function of each unit is triggered to realize the accurate acquisition of different types of parameters.
[0079] In this embodiment, the processing unit executes relevant system programs and determines parameter values according to corresponding logic loops. For example, when the preset panel parameters and the actual parameters are inconsistent, the current limit value is adjusted according to the preset panel parameters and the actual panel parameters to obtain a target current limit value. The specific processing method has been described in detail in the above process and will not be repeated here.
[0080] Figure 7 Schematic diagram of the current limit value adjustment device provided by the third embodiment of the present application. Figure 7 As shown, the current limit value adjustment device 5 of this embodiment includes: a processor 501, a memory 502, and a computer program 503 stored in the memory 502 and executable on the processor 501, such as a current limit value adjustment program. When the processor 501 executes the computer program 503, the steps of the above-mentioned various current limit value adjustment method embodiments are implemented, such as Figure 2 Alternatively, when the processor 501 executes the computer program 503, the functions of the modules / units in the above-mentioned device embodiments are realized.
[0081] Exemplarily, the computer program 503 may be divided into one or more modules / units, which are stored in the memory 502 and executed by the processor 501 to implement the present application. The one or more modules / units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program 503 in the current limit value adjustment device 5. For example, the computer program 503 may be divided into an acquisition unit and a processing unit, with the specific functions of each unit being as follows:
[0082] An acquisition unit, wherein the acquisition unit acquires the current current limit value, preset panel parameters and actual parameters; wherein the preset panel parameters are stored in the server storage panel, and the actual parameters are acquired through the inverter and the subsequent circuit.
[0083] A processing unit, when the processing unit identifies that the preset panel parameter and the actual parameter are inconsistent, adjusts the current limit value according to the preset panel parameter and the actual panel parameter to obtain a target current limit value.
[0084] The current limit value adjustment device may include, but is not limited to, a processor 501 and a memory 502. Those skilled in the art will understand that Figure 7 The present invention is merely an example of the current limit value adjusting device 5 and does not constitute a limitation on the current limit value adjusting device 5. The present invention may include more or fewer components than shown in the figure, or a combination of certain components, or different components. For example, the current limit value adjusting device may also include input and output devices, network access devices, buses, etc.
[0085] The processor 501 may be a central processing unit (CPU), or other general-purpose processors, digital signal processors (DSP), application-specific integrated circuits (ASIC), field-programmable gate arrays (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. A general-purpose processor may be a microprocessor or any conventional processor.
[0086] The memory 502 can be an internal storage unit of the current limit value adjusting device 5, such as a hard disk or memory of the current limit value adjusting device 5. The memory 502 can also be an external storage device of the current limit value adjusting device 5, such as a plug-in hard disk equipped on the current limit value adjusting device 5, a smart media card (SMC), a secure digital (SD) card, a flash card, etc. Furthermore, the current limit value adjusting device 5 can also include both the internal storage unit of the current limit value adjusting device 5 and an external storage device. The memory 502 is used to store the computer program and other programs and data required by the current limit value adjusting device. The memory 502 can also be used to temporarily store data that has been output or is about to be output.
[0087] A third aspect of an embodiment of the present invention provides a device for adjusting a current limit value, comprising a panel, a controller, an inverter, a subsequent circuit, and a computer program stored in the memory and executable on a processor. When the processor executes the computer program, the method described in the first aspect above is implemented.
[0088] A fourth aspect of an embodiment of the present invention provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the method described in the first aspect is implemented.
[0089] An embodiment of the present application further provides a computer storage medium, which may be non-volatile or volatile. The computer storage medium stores a computer program, which, when executed by a processor, implements the steps in the above-mentioned method embodiments for processing e-commerce task requests.
[0090] The present application also provides a computer program product, which, when running on a device, enables the device. Those skilled in the art will clearly understand that, for the convenience and brevity of description, only the division of the above-mentioned functional units and modules is used as an example. In actual applications, the above-mentioned functions can be distributed and completed by different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above. The functional units and modules in the embodiment can be integrated into one processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or in the form of software functional units. In addition, the specific names of the functional units and modules are only for the convenience of distinguishing each other and are not used to limit the scope of protection of this application. The specific working process of the units and modules in the above-mentioned system can refer to the corresponding process in the aforementioned method embodiment, which will not be repeated here.
[0091] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant description of other embodiments.
[0092] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.
[0093] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit of the technical solutions of the embodiments of the present application, and should all be included in the scope of protection of the present application.
Claims
1. A current limit value adjustment method, characterized in that: The method for adjusting the limit value includes: Obtaining a current current limit value, preset panel parameters, and actual panel parameters; wherein the preset panel parameters are stored in a server storage panel, and the actual panel parameters are obtained through an inverter and a subsequent circuit; When the preset panel parameters and the actual panel parameters are inconsistent, the current limit value is adjusted according to the preset panel parameters and the actual panel parameters to obtain a target current limit value, including: calculating a current limit value variation according to the preset panel parameters, the actual panel parameters, the current current limit value and a preset variation calculation strategy; adjusting the current current limit value according to the current limit value variation to obtain a target current limit value, and matching the actual welding wire rod elongation of the equipment through feedback parameters; the preset panel parameters include a preset welding current and a preset welding voltage; the actual panel parameters include an actual welding current and an actual welding voltage; the current limit value variation includes a first variation and a second variation; The current limit value variation is calculated according to the preset panel parameters, the actual panel parameters, the current current limit value, and a preset variation calculation strategy, including: The first variation is obtained by calculating the preset welding current, the actual welding current, the current current limit value and the first calculation strategy; the first calculation strategy is calculated according to the formula Calculate the first variation, where Imin1 is the variation of the current limit value, Ida is the current limit value matched according to the welding parameters, Iset is the welding current setting value, and Io is the current welding current value; The second variation is obtained by calculating the preset welding voltage, the actual welding voltage, the current current limit value and the second calculation strategy; the second calculation strategy is calculated according to the formula The second variation is calculated, where Imin2 is the variation of the current limit value, Ida is the current limit value matched according to the welding parameters, Uset is the welding voltage setting value, and Uo is the current welding voltage value.
2. The method according to claim 1, wherein After obtaining the current current limit value, the preset panel parameters and the actual panel parameters, the method further includes: When the preset panel parameters are consistent with the actual panel parameters, the current current limit value is used as the target current limit value.
3. The method according to claim 1 or 2, wherein: The preset panel parameters include: One or more of voltage parameters, current parameters, material parameters, gas parameters and material diameter parameters.
4. A device for adjusting a current limit value, characterized in that: include: An acquisition unit, the acquisition unit acquiring a current current limit value, preset panel parameters, and actual panel parameters; wherein the preset panel parameters are stored in a server storage panel, and the actual panel parameters are acquired through an inverter and a subsequent circuit; a processing unit, wherein when the processing unit identifies that the preset panel parameters and the actual panel parameters are inconsistent, the current limit value is adjusted according to the preset panel parameters and the actual panel parameters to obtain a target current limit value, including: calculating a current limit value variation according to the preset panel parameters, the actual panel parameters, the current current limit value, and a preset variation calculation strategy; adjusting the current current limit value according to the current limit value variation to obtain a target current limit value, and matching the actual welding wire rod elongation of the equipment through feedback parameters; the preset panel parameters include a preset welding current and a preset welding voltage; the actual panel parameters include an actual welding current and an actual welding voltage; and the current limit value variation includes a first variation and a second variation; The current limit value variation is calculated according to the preset panel parameters, the actual panel parameters, the current current limit value, and a preset variation calculation strategy, including: The first variation is obtained by calculating the preset welding current, the actual welding current, the current current limit value and the first calculation strategy; the first calculation strategy is calculated according to the formula Calculate the first variation, where Imin1 is the variation of the current limit value, Ida is the current limit value matched according to the welding parameters, Iset is the welding current setting value, and Io is the current welding current value; The second variation is obtained by calculating the preset welding voltage, the actual welding voltage, the current current limit value and the second calculation strategy; the second calculation strategy is calculated according to the formula The second variation is calculated, where Imin2 is the variation of the current limit value, Ida is the current limit value matched according to the welding parameters, Uset is the welding voltage setting value, and Uo is the current welding voltage value.
5. A device for adjusting a current limit value, characterized in that: The invention comprises a panel, a controller, an inverter and a subsequent circuit, and a computer program stored in a memory and executable on a processor, wherein the method according to any one of claims 1 to 3 is implemented when the processor executes the computer program.
6. A computer-readable storage medium, characterized in that The computer-readable storage medium stores a computer program, wherein the computer program implements the method according to any one of claims 1 to 3 when executed by a processor.
Citation Information
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Food mixer and control method and device for driving motor thereof
CN109924908A