CN116345399A - Automatic overcurrent protection method and device based on intelligent key alloy wire welding equipment - Google Patents

Automatic overcurrent protection method and device based on intelligent key alloy wire welding equipment Download PDF

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CN116345399A
CN116345399A CN202310631051.3A CN202310631051A CN116345399A CN 116345399 A CN116345399 A CN 116345399A CN 202310631051 A CN202310631051 A CN 202310631051A CN 116345399 A CN116345399 A CN 116345399A
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李盛伟
李妍琼
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Shenzhen Zhongbao New Material Technology Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
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Abstract

The invention relates to the technical field of overcurrent protection, and discloses an overcurrent automatic protection method and device based on intelligent bond alloy wire welding equipment, wherein the method comprises the following steps: determining a driving current value and a device resistance value of a device of the equipment; detecting an input current value of welding equipment, analyzing a device relation corresponding to a device of the equipment, and calculating an access current value of the device of the equipment; calculating a current difference value corresponding to the access current value and the driving current value, and determining a device capable of carrying out current distribution by the marking equipment to obtain a distribution device; inquiring and distributing device tasks corresponding to the devices, and calculating task priorities of the device tasks; calculating a distributable current value corresponding to the distribution device, and summing the distributable current values to obtain a total distribution current value; a power storage module of the welding apparatus is constructed, and a current difference value is input into the power storage module to perform overcurrent protection of the welding apparatus. The invention aims to improve the protection efficiency of the automatic overcurrent protection based on the intelligent key alloy wire welding equipment.

Description

Automatic overcurrent protection method and device based on intelligent key alloy wire welding equipment
Technical Field
The invention relates to the technical field of overcurrent protection, in particular to an overcurrent automatic protection method and device based on intelligent bond alloy wire welding equipment.
Background
The bonding alloy wire welding equipment is equipment commonly used for producing chips and electronic components, is mainly used for accurately and nondestructively connecting tiny wires or chip electrodes with a substrate, such as a flying needle bonding machine, a cable bonding machine and a tension bonding machine, has the characteristics, but in the use process of the bonding alloy wire welding equipment, if the current is overlarge, the devices in the equipment can be damaged due to overload current, and the processing of products can be seriously influenced, so that the automatic protection of the remembering overcurrent of the bonding alloy wire welding equipment is required.
However, in the existing automatic overcurrent protection method, a protection device is additionally arranged, a rated current value is set in equipment or a circuit, when a certain part of current in the circuit exceeds the rated value, the protection device automatically cuts off a power supply, so that the equipment or the circuit is protected, but the method can cause that a part of devices in the equipment cannot normally operate, and the processing efficiency of a product is affected, so that a method capable of improving the overcurrent protection efficiency of intelligent-bond alloy wire welding equipment is needed.
Disclosure of Invention
The invention provides an overcurrent automatic protection method and device based on intelligent key alloy wire welding equipment, and mainly aims to improve the overcurrent protection efficiency of the intelligent key alloy wire welding equipment.
In order to achieve the above purpose, the automatic overcurrent protection method based on intelligent bond alloy wire welding equipment provided by the invention comprises the following steps:
acquiring welding equipment of a key alloy wire of current to be analyzed, identifying equipment devices in the welding equipment, extracting equipment parameters corresponding to the equipment devices, and determining driving current values and device resistance values of the equipment devices according to the equipment parameters;
detecting an input current value of the welding equipment, acquiring a circuit construction diagram of the welding equipment before the input current value is transmitted to the equipment, analyzing a device relation corresponding to the equipment according to the circuit construction diagram, and calculating an access current value of the equipment according to the device relation, the input current value and the device resistance;
calculating a current difference value corresponding to the access current value and the driving current value by combining the device relation and the circuit construction diagram, and if the current difference value is greater than zero, marking the equipment device to obtain marking equipment, and determining a device capable of performing current distribution by the marking equipment according to the marking equipment and the current difference value to obtain a distribution device;
Inquiring the device task corresponding to the distributed device, and calculating the task priority of the device task according to the following formula:
Figure SMS_3
； wherein ,/>
Figure SMS_5
Indicate->
Figure SMS_6
Task priority of individual device tasks +.>
Figure SMS_2
Serial number representing device task, +.>
Figure SMS_4
Task number representing device tasks, +.>
Figure SMS_7
Representing the latency value corresponding to the kth device task,/->
Figure SMS_8
Representing the latency value corresponding to the k +1 device task,
Figure SMS_1
a linear function representing the latency values of the kth and k+1th device tasks;
calculating a distributable current value corresponding to the distribution device by combining the device relation and the driving current value, and summing the distributable current value to obtain a total distribution current value;
if the total value of the distributed currents is not greater than the current difference value, according to the task priority, the current corresponding to the current difference value is transmitted to the equipment device according to the total value of the distributed currents so as to execute overcurrent self-protection on the welding equipment;
if the total value of the distributed currents is larger than the current difference value, a power storage module of the welding equipment is constructed, and the current difference value is input into the power storage module so as to execute overcurrent protection of the welding equipment.
Optionally, the analyzing, according to the circuit configuration diagram, a device relationship corresponding to the device of the apparatus includes:
acquiring a circuit symbol corresponding to the equipment device, and marking the symbol corresponding to the circuit symbol in the circuit construction diagram to obtain a marked symbol;
inquiring the current trend of the circuit construction diagram, and determining a device sequence of the equipment device according to the current trend;
marking symbol nodes in the circuit construction diagram, and analyzing symbol relations corresponding to the marking symbols according to the symbol nodes and the device sequences;
and obtaining the device relation corresponding to the equipment device according to the symbol relation.
Optionally, the calculating the access current value of the device according to the device relation, the input current value and the device resistance value includes:
detecting a voltage value corresponding to the input current value to obtain an input voltage value;
according to the device relation, the device resistance and the input voltage value, calculating an access voltage value corresponding to each device in the equipment device;
calculating a device current value corresponding to each device according to the device resistance value and the input current value;
And summing the input current values to obtain the access current value of the equipment device.
Optionally, the calculating, by combining the device relation and the circuit configuration diagram, a current difference value corresponding to the access current value and the driving current value includes:
identifying trunk lines and branch lines in the circuit configuration diagram according to the device relation and the circuit configuration diagram;
calculating current values corresponding to the trunk circuit and the branch circuit by combining the access current value and the device resistance value to obtain a trunk circuit current value and a branch circuit current value;
respectively calculating the difference values of the main circuit current value and the branch circuit current value corresponding to the driving current value to obtain a first difference value and a second difference value;
and obtaining a current difference value corresponding to the access current value and the driving current value according to the first difference value and the second difference value.
Optionally, the means for determining that the marking device can perform current distribution according to the marking device and the current difference value, so as to obtain a distribution means, which includes:
comparing the current difference value with a preset difference value to obtain a comparison result, and screening the marking equipment according to the comparison result to obtain target marking equipment;
Calculating the current transmission distance between each device in the target marking device, and calculating the current loss value corresponding to each distance in the current transmission distance;
and determining a device capable of distributing current in the target marking equipment according to the current loss value and the current transmission distance to obtain a distribution device.
Optionally, the calculating the current transmission distance between each of the target marking devices includes:
calculating a current transmission distance between each of the target marking devices by the following formula:
Figure SMS_9
； wherein ,/>
Figure SMS_10
Representing the current transmission distance between each of the target marking devices,/for>
Figure SMS_11
Representing a sequence of adjacent devices in the target marking device, < >>
Figure SMS_12
and />
Figure SMS_13
Representing the spatial coordinate point corresponding to the b1 st device in the target marking devices,/for>
Figure SMS_14
and />
Figure SMS_15
And (5) representing the space coordinate point corresponding to the b2 th device in the target marking devices.
Optionally, the calculating the current loss value corresponding to each of the current transmission distances includes:
calculating a current loss value corresponding to each of the current transmission distances by the following formula:
Figure SMS_16
； wherein ,/>
Figure SMS_17
Representing the current loss value corresponding to the j-th distance in the current transmission distance, < > >
Figure SMS_18
Indicating all resistance values in the j-th distance, < >>
Figure SMS_19
Represents the current value in the j-th distance, < >>
Figure SMS_20
Represents the current transmission distance in the j-th distance, < >>
Figure SMS_21
Representing the corresponding cross-sectional area of the carrier at the time of current transmission in the j-th distance.
Optionally, the constructing the power storage module of the welding apparatus includes:
creating a virtual power storage module in the welding equipment, extracting current characteristics corresponding to the input current values, and inquiring virtual codes corresponding to the current characteristics;
according to the virtual code, a current port is arranged in the virtual power storage module, and the virtual power storage module is subjected to module updating to obtain a target power storage module;
and setting a power storage trigger instruction of the current port according to the total distribution current value and the current difference value, and configuring the power storage trigger instruction into the target power storage module to obtain the power storage module.
Optionally, the extracting the current characteristic corresponding to the input current value includes:
collecting a current signal corresponding to the input current value, filtering the current signal to obtain a filtered signal, and performing Fourier transform on the filtered signal to obtain a transformed signal;
Acquiring an energy density spectrum corresponding to the transformation signal, and extracting a density spectrum parameter of the energy density spectrum;
and carrying out feature extraction on the density spectrum parameters to obtain feature parameters, and obtaining current characteristics corresponding to the input current values according to the feature parameters.
Based on the same inventive concept, the invention also provides an overcurrent automatic protection device based on intelligent bond alloy wire welding equipment, which comprises:
the parameter extraction module is used for acquiring welding equipment of the key alloy wire of the current to be analyzed, identifying equipment devices in the welding equipment, extracting equipment parameters corresponding to the equipment devices, and determining driving current values and device resistance values of the equipment devices according to the equipment parameters;
the current value calculation module is used for detecting an input current value of the welding equipment, acquiring a circuit construction diagram of the welding equipment before the input current value is transmitted to the equipment, analyzing a device relation corresponding to the equipment according to the circuit construction diagram, and calculating an access current value of the equipment according to the device relation, the input current value and the device resistance;
The distribution device determining module is used for combining the device relation and the circuit construction diagram, calculating a current difference value corresponding to the access current value and the driving current value, marking the equipment device if the current difference value is greater than zero to obtain marking equipment, and determining a device capable of performing current distribution by the marking equipment according to the marking equipment and the current difference value to obtain a distribution device;
the priority calculating module is used for inquiring the device task corresponding to the distributing device and calculating the task priority of the device task according to the following formula:
Figure SMS_24
； wherein ,/>
Figure SMS_25
Indicate->
Figure SMS_27
Task priority of individual device tasks +.>
Figure SMS_23
Serial number representing device task, +.>
Figure SMS_26
Task number representing device tasks, +.>
Figure SMS_28
Representing the latency value corresponding to the kth device task,/->
Figure SMS_29
Representing the latency value corresponding to the k+1th device task,/for>
Figure SMS_22
A linear function representing the latency values of the kth and k+1th device tasks;
the distributed current summation module is used for combining the device relation and the driving current value, calculating a distributed current value corresponding to the distributed device, and summing the distributed current value to obtain a distributed current total value;
The current distribution module is used for conveying the current corresponding to the current difference value to the equipment device according to the distributed current total value according to the task priority if the distributed current total value is not larger than the current difference value so as to execute overcurrent self-protection on the welding equipment;
and the electricity storage module construction module is used for constructing an electricity storage module of the welding equipment if the total value of the distributed currents is larger than the current difference value, and inputting the current difference value into the electricity storage module so as to execute overcurrent protection of the welding equipment.
According to the invention, equipment devices in the welding equipment are identified by acquiring welding equipment of a key alloy wire of current to be analyzed so as to facilitate understanding of devices in the welding equipment, and further facilitate subsequent determination of a driving current value and a device resistance value corresponding to the equipment devices; in addition, the invention calculates the distributable current value corresponding to the distributing device by combining the device relation and the driving current value so as to accurately distribute the current value later, and it should be understood that if the distributed current total value is not larger than the current difference value, the distributed current total value does not exceed the upper current limit corresponding to the distributing device and cannot damage the distributing device, and the invention transmits the current corresponding to the current difference value to the device according to the distributed current total value so as to execute over-current self-protection on the welding device, and it should be understood that if the distributed current total value is larger than the current difference value, the distributed current total value is indicated to exceed the upper current limit corresponding to the distributing device and damage the distributing device, and the invention constructs a power storage module of the welding device so as to store the distributed current total value and improve the protection efficiency of over-current protection. Therefore, the overcurrent automatic protection method and device based on the intelligent key alloy wire welding equipment can improve the overcurrent automatic protection efficiency of the intelligent key alloy wire welding equipment.
Drawings
FIG. 1 is a schematic flow chart of an automatic overcurrent protection method for an intelligent bond wire-based welding device according to an embodiment of the present invention;
FIG. 2 is a functional block diagram of an automatic overcurrent protection device based on an intelligent bond wire welding apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device for implementing the automatic overcurrent protection method based on the smart key alloy wire welding device according to an embodiment of the present invention.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The embodiment of the application provides an overcurrent automatic protection method based on intelligent key alloy wire welding equipment. In the embodiment of the present application, the execution body of the overcurrent automatic protection method based on the smart key alloy wire welding device includes, but is not limited to, at least one of a server, a terminal, and the like, which can be configured to execute the method provided in the embodiment of the present application. In other words, the overcurrent automatic protection method based on the intelligent key alloy wire welding device can be executed by software or hardware installed in a terminal device or a server device, wherein the software can be a blockchain platform. The service end includes but is not limited to: a single server, a server cluster, a cloud server or a cloud server cluster, and the like. The server may be an independent server, or may be a cloud server that provides cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, content delivery networks (Content Delivery Network, CDN), and basic cloud computing services such as big data and artificial intelligence platforms.
Referring to fig. 1, a flow chart of an automatic overcurrent protection method based on an intelligent bond wire welding device according to an embodiment of the invention is shown. In this embodiment, the method for automatically protecting the overcurrent of the smart key alloy wire-based welding device includes steps S1 to S7.
S1, acquiring welding equipment of a key alloy wire of a current to be analyzed, identifying equipment devices in the welding equipment, extracting equipment parameters corresponding to the equipment devices, and determining driving current values and device resistance values of the equipment devices according to the equipment parameters.
According to the invention, the equipment devices in the welding equipment are identified by acquiring the welding equipment of the bond alloy wire of the current to be analyzed, so that the devices existing in the welding equipment are conveniently known, and further, the corresponding driving current value and the corresponding device resistance value of the equipment devices are conveniently and subsequently determined, wherein the welding equipment is equipment used for bonding the alloy wire, and the equipment devices are devices contained in the welding equipment.
According to the method, the device and the system, the device parameters corresponding to the device are extracted, and the driving current value and the device resistance value of the device are determined according to the device parameters so as to facilitate subsequent processing, wherein the device parameters are parameters corresponding to the device, the driving current value is normal to the device, and further, the device parameters corresponding to the device are extracted through a parameter extracting tool.
S2, detecting an input current value of the welding equipment, acquiring a circuit structure diagram of the welding equipment before the input current value is transmitted to the equipment, analyzing a device relation corresponding to the equipment according to the circuit structure diagram, and calculating an access current value of the equipment according to the device relation, the input current value and the device resistance.
According to the invention, by detecting the input current of the welding equipment, before the input current value is transmitted to the equipment, a circuit configuration diagram of the welding equipment is obtained, so that the connection relation between the equipment can be further known, wherein the input current is the current received by the welding equipment, the circuit configuration diagram is a circuit connection diagram corresponding to the welding equipment, further, the detection of the input current of the welding equipment can be realized through a current tester, and the acquisition of the circuit configuration diagram of the welding equipment can be realized through internet inquiry.
According to the circuit structure diagram, the device relation corresponding to the equipment is analyzed, so that the subsequent accurate calculation of the access current value is facilitated, wherein the device relation is the corresponding connection relation of the equipment in the circuit structure diagram, such as series connection and parallel connection.
As one embodiment of the present invention, the analyzing, according to the circuit configuration diagram, a device relationship corresponding to the device of the apparatus includes: obtaining a circuit symbol corresponding to the equipment device, marking the symbol corresponding to the circuit symbol in the circuit construction diagram to obtain a marked symbol, inquiring the current trend of the circuit construction diagram, determining the device sequence of the equipment device according to the current trend, marking the symbol node in the circuit construction diagram, analyzing the symbol relation corresponding to the marked symbol according to the symbol node and the device sequence, and obtaining the device relation corresponding to the equipment device according to the symbol relation.
The circuit symbols are circuit patterns corresponding to the equipment devices, the current trend is the direction of current passing in the circuit construction diagram, the device sequence is the sequence corresponding to the equipment devices in the circuit construction diagram, the symbol nodes are bifurcation points of lines in the circuit construction diagram, and the symbol relationships are relationships between the circuit symbols, such as series connection and parallel connection.
Further, as an optional embodiment of the present invention, the obtaining of the circuit symbol corresponding to the device may be obtained through internet query, the marking of the symbol corresponding to the circuit symbol in the circuit configuration diagram may be implemented by a marking tool, such as a color marking tool, the device sequence of the device may be determined by the current trend and the order of current passing, and the analysis of the symbol relationship corresponding to the marking symbol may be implemented by a current analysis method.
According to the invention, the access current value of the equipment device is calculated according to the device relation, the input current value and the device resistance value, so that guarantee is provided for subsequent current distribution, wherein the access current value is the received actual current value corresponding to the equipment device and is different from the input current value.
As one embodiment of the present invention, the calculating, according to the device relation, the input current value, and the device resistance value, an access current value of the device of the apparatus includes: detecting a voltage value corresponding to the input current value to obtain an input voltage value, calculating an access voltage value corresponding to each device in the equipment device according to the device relation, the device resistance value and the input voltage value, calculating a device current value corresponding to each device according to the device resistance value and the input current value, and summing the input current values to obtain the access current value of the equipment device.
The input voltage value is a voltage value corresponding to the input current value, the access voltage value is an actual voltage value corresponding to each device, the device current value is an actual current corresponding to each device when passing through each device, further, the voltage value corresponding to the input current value can be detected through a voltage meter, the access voltage value corresponding to each device in the equipment device can be calculated by combining the device relation, for example, the voltage and the resistance value in the series circuit are in a direct proportion relation, and the calculation formula of the device current value corresponding to each device is as follows: i=u/R, I represents a device current value, U represents an access voltage value, and R represents an access voltage value.
S3, calculating a current difference value corresponding to the access current value and the driving current value by combining the device relation and the circuit construction diagram, and marking the equipment device if the current difference value is greater than zero to obtain marking equipment, and determining a device capable of performing current distribution by the marking equipment according to the marking equipment to obtain a distribution device.
According to the invention, by combining the device relation and the circuit construction diagram, a current difference value corresponding to the access current value and the driving current value is calculated so as to judge a device capable of distributing current in the equipment device, wherein the current difference value is a difference value corresponding to the access current value and the driving current value.
It should be understood that if the current difference is greater than zero, the access current value is greater than the driving current value, and the marking device marks the device, where the marking device is a device corresponding to the current difference in the device being greater than zero, and further marking the device may be implemented by using the color marking tool.
As one embodiment of the present invention, the calculating a current difference value of the switching-in current value and the driving current value by combining the device relation and the circuit configuration diagram includes: and identifying a main circuit line and a branch circuit line in the circuit construction diagram according to the device relation and the circuit construction diagram, calculating current values corresponding to the main circuit line and the branch circuit line by combining the access current value and the device resistance value to obtain a main circuit current value and a branch circuit current value, respectively calculating differences corresponding to the main circuit current value and the branch circuit current value and the driving current value to obtain a first difference value and a second difference value, and obtaining a current difference value corresponding to the access current value and the driving current value according to the first difference value and the second difference value.
The main circuit is a circuit which is started from one pole of one source (voltage source or current source) in the circuit diagram and can reach the other pole of the source in the circuit diagram, the branch circuit is a circuit which is separated from the main circuit in the circuit diagram and finally returns to the main circuit, the main circuit current value is a corresponding current value in the main circuit, the branch circuit current value is a corresponding current value in the branch circuit, and the first difference value and the second difference value are respectively a difference value of the main circuit current value and the branch circuit current value corresponding to the driving current value.
Further, as an alternative embodiment of the present invention, identifying the trunk line and the branch line in the circuit configuration diagram may be performed by combining the device relation and the circuit configuration diagram, and calculating the current values corresponding to the trunk line and the branch line may be performed by combining the access current value and the device resistance value, where the current values in the trunk line are the same and the current values in the branch line are proportional to the resistance values.
The invention determines the device capable of distributing current of the marking equipment according to the marking equipment so as to facilitate the subsequent current distribution, wherein the distribution device is a device capable of distributing current in the marking equipment.
As an embodiment of the present invention, the means for determining that the marking device can perform current distribution according to the marking device and the current difference value, to obtain a distribution means, includes: comparing the current difference value with a preset difference value to obtain a comparison result, screening the marking equipment according to the comparison result to obtain target marking equipment, calculating the current transmission distance between each equipment in the target marking equipment, calculating the current loss value corresponding to each distance in the current transmission distance, and determining a device capable of distributing current in the target marking equipment according to the current loss value and the current transmission distance to obtain a distribution device.
The method comprises the steps of comparing the preset difference value with the preset difference value to judge whether the equipment can perform current distribution, wherein the comparison result is a result of comparing the current difference value with the preset difference value, and the comparison result is divided into two types, wherein one type is that the current difference value is not larger than the preset difference value, which indicates that the current distribution can be performed among the marking equipment, and if the current difference value is larger than the preset difference value, the current distribution can not be performed among the marking equipment, the target marking equipment is equipment which is obtained after filtering equipment which cannot perform current distribution in the marking equipment, the current transmission distance is the distance corresponding to the current distribution of each equipment in the target marking equipment, and the current loss value indicates the current loss corresponding to the current transmission distance.
Further, as an alternative embodiment of the present invention, the comparison between the current difference value and the preset difference value may be achieved by calculating a numerical difference, and the screening of the marking device may be achieved by a screening function, where the screening function is compiled by a scripting language, a current transmission distance between each device in the target marking device is calculated, a current loss value corresponding to each distance in the current transmission distance is calculated, and a device capable of performing current distribution in the target marking device is determined according to the current loss value and the current transmission distance, so as to obtain a distribution device.
Further, as an optional embodiment of the present invention, the calculating the current transmission distance between each of the target marking apparatuses includes:
calculating a current transmission distance between each of the target marking devices by the following formula:
Figure SMS_30
； wherein ,/>
Figure SMS_31
Representing the current transmission distance between each of the target marking devices,/for>
Figure SMS_32
Representing a sequence of adjacent devices in the target marking device, < >>
Figure SMS_33
and />
Figure SMS_34
Representing the spatial coordinate point corresponding to the b1 st device in the target marking devices,/for>
Figure SMS_35
and />
Figure SMS_36
And (5) representing the space coordinate point corresponding to the b2 th device in the target marking devices.
Further, as an optional embodiment of the present invention, the calculating a current loss value corresponding to each of the current transmission distances includes:
calculating a current loss value corresponding to each of the current transmission distances by the following formula:
Figure SMS_37
； wherein ,/>
Figure SMS_38
Representing the current loss value corresponding to the j-th distance in the current transmission distance, < >>
Figure SMS_39
Indicating all resistance values in the j-th distance, < >>
Figure SMS_40
Represents the current value in the j-th distance, < >>
Figure SMS_41
Represents the current transmission distance in the j-th distance, < >>
Figure SMS_42
Representing the corresponding cross-sectional area of the carrier at the time of current transmission in the j-th distance.
S4, inquiring device tasks corresponding to the distribution devices, calculating task priorities of the device tasks, calculating distributable current values corresponding to the distribution devices by combining the device relationships and the driving current values, and summing the distributable current values to obtain a total distribution current value.
The invention inquires the device task corresponding to the distributing device, calculates the task priority of the device task, and can know the importance degree corresponding to the device task so as to be convenient for current distribution preferentially, wherein the device task is the task corresponding to the distributing device, and the task priority represents the priority degree corresponding to the device task.
As an embodiment of the present invention, the calculating the task priority of the device task includes:
calculating the task priority of the device task by the following formula:
Figure SMS_44
； wherein ,/>
Figure SMS_47
Indicate->
Figure SMS_48
Task priority of individual device tasks +.>
Figure SMS_45
Serial number representing device task, +.>
Figure SMS_46
Task number representing device tasks, +.>
Figure SMS_49
Representing the latency value corresponding to the kth device task,/->
Figure SMS_50
Representing the latency value corresponding to the k +1 device task,
Figure SMS_43
a linear function representing the latency values of the kth and k+1th device tasks.
S5, calculating the distributable current value corresponding to the distribution device by combining the device relation and the driving current value, and summing the distributable current value to obtain a total distribution current value.
The invention calculates the distributable current value corresponding to the distribution device by combining the device relation and the driving current value so that the current value can be accurately distributed later, wherein the distributable current value represents the current distribution quantity corresponding to each device in the distribution device.
The invention can obtain the total value of current distribution by summing the distributable current values so as to judge whether the electricity storage module needs to be constructed later or not, wherein the total value of the distributed current is the sum of the distributable current values.
And S6, if the total value of the distributed currents is not greater than the current difference value, transmitting the current corresponding to the current difference value into the equipment device according to the total value of the distributed currents so as to execute overcurrent self-protection on the welding equipment.
It should be appreciated that if the total current distribution value is not greater than the current difference value, the total current distribution value does not exceed the upper current limit corresponding to the distribution device and cannot damage the book distribution device, and the current corresponding to the current difference value is transmitted to the equipment device according to the total current distribution value, so that overcurrent self-protection of the welding equipment is performed.
And S7, if the total value of the distributed currents is larger than the current difference value, constructing a power storage module of the welding equipment, and inputting the current difference value into the power storage module so as to execute overcurrent protection of the welding equipment.
It should be appreciated that if the total distribution current value is greater than the current difference value, which indicates that the total distribution current value exceeds the upper current limit corresponding to the distribution device and damages the distribution device, the invention improves the protection efficiency of over-current protection by constructing the power storage module of the welding device so as to store the total distribution current value, wherein the power storage module is used for storing the over-current in the welding device.
As an embodiment of the present invention, the constructing the power storage module of the welding apparatus includes: creating a virtual electricity storage module in the welding equipment, extracting the current characteristic corresponding to the input current value, inquiring the virtual code corresponding to the current characteristic, setting a current port in the virtual electricity storage module according to the virtual code, updating the virtual electricity storage module to obtain a target electricity storage module, setting an electricity storage trigger instruction of the current port according to the total distribution current value and the current difference value, and configuring the electricity storage trigger instruction into the target electricity storage module to obtain the electricity storage module.
The virtual power storage module is a module for storing electric quantity in the welding equipment, the current characteristic is a current characteristic and property corresponding to the input current value, the virtual code is a computer language corresponding to the current characteristic, the current port is a port for a subsequent current to enter the module, and the power storage trigger instruction is a trigger condition corresponding to the target power storage module.
Further, creating a virtual power storage module in the welding equipment can be achieved through a Vivado tool, inquiring virtual codes corresponding to the current characteristics can be achieved through source codes, setting a current port in the virtual power storage module can be achieved through a port setting tool, the port setting tool is compiled by Java language, and a power storage trigger instruction for setting the current port can be achieved through an instruction generator.
Further, as an optional embodiment of the present invention, the extracting the current characteristic corresponding to the input current value includes: collecting a current signal corresponding to the input current value, performing filtering processing on the current signal to obtain a filtered signal, performing Fourier transformation on the filtered signal to obtain a transformed signal, obtaining an energy density spectrum corresponding to the transformed signal, extracting a density spectrum parameter of the energy density spectrum, performing feature extraction on the density spectrum parameter to obtain a feature parameter, and obtaining a current characteristic corresponding to the input current value according to the feature parameter.
The current signal is a signal expression form of a current corresponding to the input current value, the filtering signal is a signal obtained by suppressing high-frequency noise and low-frequency noise in the current signal, the transformation signal is a signal of which a signal of a time domain part in the filtering signal is converted into a frequency in a frequency domain, the energy density spectrum is a spectrum of signal power distribution corresponding to the transformation signal, the density spectrum parameter is a parameter corresponding to the energy density spectrum, and the characteristic parameter is a representative parameter in the density spectrum parameters.
Further, collecting the current signal corresponding to the input current value may be achieved through a direct measurement method, filtering the current signal may be achieved through a low-pass filter, fourier transforming the filtered signal may be achieved through a discrete fourier transform method, obtaining an energy density spectrum corresponding to the transformed signal may be achieved through an energy spectrum density function, extracting a density spectrum parameter of the energy density spectrum may be achieved through a parameter extraction tool, such as a Python tool, and feature extraction of the density spectrum parameter may be achieved through a feature extraction algorithm, such as a filtering method.
According to the invention, the current difference value is input into the electricity storage module to execute overcurrent protection on the welding equipment, so that the devices in the welding equipment are prevented from being damaged due to overcurrent.
According to the invention, equipment devices in the welding equipment are identified by acquiring welding equipment of a key alloy wire of current to be analyzed so as to facilitate understanding of devices in the welding equipment, and further facilitate subsequent determination of a driving current value and a device resistance value corresponding to the equipment devices; in addition, the invention calculates the distributable current value corresponding to the distributing device by combining the device relation and the driving current value so as to accurately distribute the current value, and it should be understood that if the distributed current total value is not larger than the current difference value, the distributed current total value does not exceed the upper current limit corresponding to the distributing device and cannot damage the book distributing device, and the invention transmits the current corresponding to the current difference value to the device according to the distributed current total value so as to execute over-current self-protection on the welding device, and it should be understood that if the distributed current total value is larger than the current difference value, the distributed current total value is indicated to exceed the upper current limit corresponding to the distributing device and damage the distributing device, and the invention constructs a power storage module of the welding device so as to store the distributed current total value and improve the protection efficiency of over-current protection. Therefore, the overcurrent automatic protection method based on the intelligent bond alloy wire welding equipment can improve the overcurrent automatic protection efficiency based on the intelligent bond alloy wire welding equipment.
Fig. 2 is a functional block diagram of an automatic overcurrent protection device based on an intelligent key alloy wire welding apparatus according to an embodiment of the present invention.
The overcurrent automatic protection device 100 based on the intelligent key alloy wire welding equipment can be installed in electronic equipment. Depending on the functions implemented, the automatic overcurrent protection device 100 based on the smart key wire welding apparatus may include a parameter extraction module 101, a current value calculation module 102, an allocation device determination module 103, a priority calculation module 104, an allocation current summation module 105, a current allocation module 106, and a power storage module construction module 107. The module of the invention, which may also be referred to as a unit, refers to a series of computer program segments, which are stored in the memory of the electronic device, capable of being executed by the processor of the electronic device and of performing a fixed function.
In the present embodiment, the functions concerning the respective modules/units are as follows:
the parameter extraction module 101 is configured to obtain a welding device for a bond alloy wire of a current to be analyzed, identify a device in the welding device, extract a device parameter corresponding to the device, and determine a driving current value and a device resistance value of the device according to the device parameter;
The current value calculating module 102 is configured to detect an input current value of the welding device, obtain a circuit configuration diagram of the welding device before the input current value is transmitted to the device, analyze a device relationship corresponding to the device according to the circuit configuration diagram, and calculate an access current value of the device according to the device relationship, the input current value and the device resistance;
the distribution device determining module 103 is configured to calculate a current difference value corresponding to the access current value and the driving current value by combining the device relationship and the circuit configuration diagram, if the current difference value is greater than zero, mark the device to obtain a marking device, and determine a device capable of performing current distribution by the marking device according to the marking device and the current difference value to obtain a distribution device;
the priority calculating module 104 is configured to query a device task corresponding to the assigned device, and calculate a task priority of the device task according to the following formula:
Figure SMS_53
； wherein ,/>
Figure SMS_55
Indicate->
Figure SMS_57
Task priority of individual device tasks +.>
Figure SMS_52
Serial number representing device task, +. >
Figure SMS_54
Task number representing device tasks, +.>
Figure SMS_56
Representing the latency value corresponding to the kth device task,/->
Figure SMS_58
Representing the latency value corresponding to the k+1th device task,/for>
Figure SMS_51
A linear function representing the latency values of the kth and k+1th device tasks;
the distributed current summation module 105 is configured to calculate a distributed current value corresponding to the distributed device by combining the device relationship and the driving current value, and sum the distributed current values to obtain a distributed current total value;
the current distribution module 106 is configured to, if the total value of the distributed currents is not greater than the current difference value, send, according to the task priority, a current corresponding to the current difference value to the device according to the total value of the distributed currents, so as to perform over-current self-protection on the welding device;
the electricity storage module construction module 107 is configured to construct an electricity storage module of the welding device if the total value of the distributed currents is greater than the current difference value, and input the current difference value into the electricity storage module to perform over-current protection on the welding device.
In detail, each module in the automatic overcurrent protection device 100 based on the smart key alloy wire welding apparatus in the embodiment of the application adopts the same technical means as the automatic overcurrent protection method based on the smart key alloy wire welding apparatus described in fig. 1, and can produce the same technical effects, which are not described herein.
Fig. 3 is a schematic structural diagram of an electronic device 1 according to an embodiment of the present invention for implementing an automatic overcurrent protection method for a smart key wire welding device.
The electronic device 1 may comprise a processor 10, a memory 11, a communication bus 12 and a communication interface 13, and may further comprise a computer program stored in the memory 11 and executable on the processor 10, such as an overcurrent automatic protection method program based on a smart key wire welding device.
The processor 10 may be formed by an integrated circuit in some embodiments, for example, a single packaged integrated circuit, or may be formed by a plurality of integrated circuits packaged with the same function or different functions, including one or more central processing units (Central Processing Unit, CPU), a microprocessor, a digital processing chip, a graphics processor, a combination of various control chips, and so on. The processor 10 is a Control Unit (Control Unit) of the electronic device 1, connects respective parts of the entire electronic device using various interfaces and lines, executes or executes programs or modules stored in the memory 11 (for example, executes an overcurrent automatic protection method program based on a smart key wire bonding device, etc.), and invokes data stored in the memory 11 to perform various functions of the electronic device and process the data.
The memory 11 includes at least one type of readable storage medium including flash memory, a removable hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, etc. The memory 11 may in some embodiments be an internal storage unit of the electronic device, such as a mobile hard disk of the electronic device. The memory 11 may in other embodiments also be an external storage device of the electronic device, such as a plug-in mobile hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the electronic device. Further, the memory 11 may also include both an internal storage unit and an external storage device of the electronic device. The memory 11 may be used not only to store application software installed in an electronic device and various data, such as codes of an overcurrent automatic protection method program based on a smart key wire welding device, but also to temporarily store data that has been output or is to be output.
The communication bus 12 may be a peripheral component interconnect standard (Peripheral Component Interconnect, PCI) bus, or an extended industry standard architecture (Extended Industry Standard Architecture, EISA) bus, among others. The bus may be classified as an address bus, a data bus, a control bus, etc. The bus is arranged to enable a connection communication between the memory 11 and at least one processor 10 etc.
The communication interface 13 is used for communication between the electronic device 1 and other devices, including a network interface and a user interface. Optionally, the network interface may include a wired interface and/or a wireless interface (e.g., WI-FI interface, bluetooth interface, etc.), typically used to establish a communication connection between the electronic device and other electronic devices. The user interface may be a Display (Display), an input unit such as a Keyboard (Keyboard), or alternatively a standard wired interface, a wireless interface. Alternatively, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch, or the like. The display may also be referred to as a display screen or display unit, as appropriate, for displaying information processed in the electronic device and for displaying a visual user interface.
Fig. 3 shows only an electronic device with components, it being understood by a person skilled in the art that the structure shown in fig. 3 does not constitute a limitation of the electronic device 1, and may comprise fewer or more components than shown, or may combine certain components, or may be arranged in different components.
For example, although not shown, the electronic device 1 may further include a power source (such as a battery) for supplying power to each component, and preferably, the power source may be logically connected to the at least one processor 10 through a power management device, so that functions of charge management, discharge management, power consumption management, and the like are implemented through the power management device. The power supply may also include one or more of any of a direct current or alternating current power supply, recharging device, power failure detection circuit, power converter or inverter, power status indicator, etc. The electronic device 1 may further include various sensors, bluetooth modules, wi-Fi modules, etc., which will not be described herein.
It should be understood that the embodiments described are for illustrative purposes only and are not limited to this configuration in the scope of the patent application.
The automatic overcurrent protection method program stored in the memory 11 of the electronic device 1 and based on the smart key alloy wire welding device is a combination of a plurality of instructions, and when running in the processor 10, the method can be implemented:
acquiring welding equipment of a key alloy wire of current to be analyzed, identifying equipment devices in the welding equipment, extracting equipment parameters corresponding to the equipment devices, and determining driving current values and device resistance values of the equipment devices according to the equipment parameters;
Detecting an input current value of the welding equipment, acquiring a circuit construction diagram of the welding equipment before the input current value is transmitted to the equipment, analyzing a device relation corresponding to the equipment according to the circuit construction diagram, and calculating an access current value of the equipment according to the device relation, the input current value and the device resistance;
calculating a current difference value corresponding to the access current value and the driving current value by combining the device relation and the circuit construction diagram, and if the current difference value is greater than zero, marking the equipment device to obtain marking equipment, and determining a device capable of performing current distribution by the marking equipment according to the marking equipment and the current difference value to obtain a distribution device;
inquiring the device task corresponding to the distributed device, and calculating the task priority of the device task according to the following formula:
Figure SMS_60
； wherein ,/>
Figure SMS_62
Indicate->
Figure SMS_65
Task priority of individual device tasks +.>
Figure SMS_61
Serial number representing device task, +.>
Figure SMS_63
Task number representing device tasks, +.>
Figure SMS_64
Representing the latency value corresponding to the kth device task,/->
Figure SMS_66
Representation ofLatency value corresponding to the k+1th device task,/- >
Figure SMS_59
A linear function representing the latency values of the kth and k+1th device tasks;
calculating a distributable current value corresponding to the distribution device by combining the device relation and the driving current value, and summing the distributable current value to obtain a total distribution current value;
if the total value of the distributed currents is not greater than the current difference value, according to the task priority, the current corresponding to the current difference value is transmitted to the equipment device according to the total value of the distributed currents so as to execute overcurrent self-protection on the welding equipment;
if the total value of the distributed currents is larger than the current difference value, a power storage module of the welding equipment is constructed, and the current difference value is input into the power storage module so as to execute overcurrent protection of the welding equipment.
In particular, the specific implementation method of the above instructions by the processor 10 may refer to the description of the relevant steps in the corresponding embodiment of the drawings, which is not repeated herein.
Further, the modules/units integrated in the electronic device 1 may be stored in a computer readable storage medium if implemented in the form of software functional units and sold or used as separate products. The computer readable storage medium may be volatile or nonvolatile. For example, the computer readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM).
The present invention also provides a computer readable storage medium storing a computer program which, when executed by a processor of an electronic device, can implement:
acquiring welding equipment of a key alloy wire of current to be analyzed, identifying equipment devices in the welding equipment, extracting equipment parameters corresponding to the equipment devices, and determining driving current values and device resistance values of the equipment devices according to the equipment parameters;
detecting an input current value of the welding equipment, acquiring a circuit construction diagram of the welding equipment before the input current value is transmitted to the equipment, analyzing a device relation corresponding to the equipment according to the circuit construction diagram, and calculating an access current value of the equipment according to the device relation, the input current value and the device resistance;
calculating a current difference value corresponding to the access current value and the driving current value by combining the device relation and the circuit construction diagram, and if the current difference value is greater than zero, marking the equipment device to obtain marking equipment, and determining a device capable of performing current distribution by the marking equipment according to the marking equipment and the current difference value to obtain a distribution device;
Inquiring the device task corresponding to the distributed device, and calculating the task priority of the device task according to the following formula:
Figure SMS_67
； wherein ,/>
Figure SMS_70
Indicate->
Figure SMS_72
Task priority of individual device tasks +.>
Figure SMS_69
Serial number representing device task, +.>
Figure SMS_71
Task number representing device tasks, +.>
Figure SMS_73
Representing the latency value corresponding to the kth device task,/->
Figure SMS_74
Representing the latency value corresponding to the k+1th device task,/for>
Figure SMS_68
A linear function representing the latency values of the kth and k+1th device tasks;
calculating a distributable current value corresponding to the distribution device by combining the device relation and the driving current value, and summing the distributable current value to obtain a total distribution current value;
if the total value of the distributed currents is not greater than the current difference value, according to the task priority, the current corresponding to the current difference value is transmitted to the equipment device according to the total value of the distributed currents so as to execute overcurrent self-protection on the welding equipment;
if the total value of the distributed currents is larger than the current difference value, a power storage module of the welding equipment is constructed, and the current difference value is input into the power storage module so as to execute overcurrent protection of the welding equipment.
In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus, device and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is merely a logical function division, and there may be other manners of division when actually implemented.
The modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical units, may be located in one place, or may be distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional module in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units can be realized in a form of hardware or a form of hardware and a form of software functional modules.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.
The embodiment of the application can acquire and process the related data based on the artificial intelligence technology. Among these, artificial intelligence (Artificial Intelligence, AI) is the theory, method, technique and application that uses a digital computer or a digital computer-controlled machine to simulate, extend and expand human intelligence, sense the environment, acquire knowledge and use knowledge to obtain optimal results.
Furthermore, it is evident that the word "comprising" does not exclude other elements or steps, and that the singular does not exclude a plurality. A plurality of units or means recited in the apparatus claims can also be implemented by means of one unit or means in software or hardware. The terms first, second, etc. are used to denote a name, but not any particular order.
Finally, it should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.

Claims (10)

1. An overcurrent automatic protection method based on intelligent bond alloy wire welding equipment is characterized by comprising the following steps:
acquiring welding equipment of a key alloy wire of current to be analyzed, identifying equipment devices in the welding equipment, extracting equipment parameters corresponding to the equipment devices, and determining driving current values and device resistance values of the equipment devices according to the equipment parameters;
detecting an input current value of the welding equipment, acquiring a circuit construction diagram of the welding equipment before the input current value is transmitted to the equipment, analyzing a device relation corresponding to the equipment according to the circuit construction diagram, and calculating an access current value of the equipment according to the device relation, the input current value and the device resistance;
calculating a current difference value corresponding to the access current value and the driving current value by combining the device relation and the circuit construction diagram, and if the current difference value is greater than zero, marking the equipment device to obtain marking equipment, and determining a device capable of performing current distribution by the marking equipment according to the marking equipment and the current difference value to obtain a distribution device;
Inquiring the device task corresponding to the distributed device, and calculating the task priority of the device task according to the following formula:
Figure QLYQS_3
； wherein ,/>
Figure QLYQS_5
Indicate->
Figure QLYQS_7
Task priority of individual device tasks +.>
Figure QLYQS_2
Serial number representing device task, +.>
Figure QLYQS_4
Task number representing device tasks, +.>
Figure QLYQS_6
Representing the latency value corresponding to the kth device task,/->
Figure QLYQS_8
Representing the latency value corresponding to the k+1th device task,/for>
Figure QLYQS_1
A linear function representing the latency values of the kth and k+1th device tasks;
calculating a distributable current value corresponding to the distribution device by combining the device relation and the driving current value, and summing the distributable current value to obtain a total distribution current value;
if the total value of the distributed currents is not greater than the current difference value, according to the task priority, the current corresponding to the current difference value is transmitted to the equipment device according to the total value of the distributed currents so as to execute overcurrent self-protection on the welding equipment;
if the total value of the distributed currents is larger than the current difference value, a power storage module of the welding equipment is constructed, and the current difference value is input into the power storage module so as to execute overcurrent protection of the welding equipment.
2. The automatic overcurrent protection method based on intelligent bond wire welding equipment according to claim 1, wherein the analyzing the device relation corresponding to the equipment device according to the circuit configuration diagram comprises the following steps:
acquiring a circuit symbol corresponding to the equipment device, and marking the symbol corresponding to the circuit symbol in the circuit construction diagram to obtain a marked symbol;
inquiring the current trend of the circuit construction diagram, and determining a device sequence of the equipment device according to the current trend;
marking symbol nodes in the circuit construction diagram, and analyzing symbol relations corresponding to the marking symbols according to the symbol nodes and the device sequences;
and obtaining the device relation corresponding to the equipment device according to the symbol relation.
3. The method for automatically protecting the overcurrent of the intelligent bond wire welding equipment according to claim 1, wherein the calculating the access current value of the equipment device according to the device relation, the input current value and the device resistance value comprises the following steps:
detecting a voltage value corresponding to the input current value to obtain an input voltage value;
according to the device relation, the device resistance and the input voltage value, calculating an access voltage value corresponding to each device in the equipment device;
Calculating a device current value corresponding to each device according to the device resistance value and the input current value;
and summing the input current values to obtain the access current value of the equipment device.
4. The method for automatically protecting overcurrent of intelligent bond wire welding equipment according to claim 1, wherein the calculating the current difference value of the access current value and the drive current value by combining the device relation and the circuit configuration diagram comprises:
identifying trunk lines and branch lines in the circuit configuration diagram according to the device relation and the circuit configuration diagram;
calculating current values corresponding to the trunk circuit and the branch circuit by combining the access current value and the device resistance value to obtain a trunk circuit current value and a branch circuit current value;
respectively calculating the difference values of the main circuit current value and the branch circuit current value corresponding to the driving current value to obtain a first difference value and a second difference value;
and obtaining a current difference value corresponding to the access current value and the driving current value according to the first difference value and the second difference value.
5. The method for automatically protecting overcurrent of intelligent key alloy wire welding equipment according to claim 1, wherein the determining the device capable of distributing current of the marking equipment according to the marking equipment and the current difference value, to obtain the distributing device, comprises the following steps:
Comparing the current difference value with a preset difference value to obtain a comparison result, and screening the marking equipment according to the comparison result to obtain target marking equipment;
calculating the current transmission distance between each device in the target marking device, and calculating the current loss value corresponding to each distance in the current transmission distance;
and determining a device capable of distributing current in the target marking equipment according to the current loss value and the current transmission distance to obtain a distribution device.
6. The method for automatically protecting an overcurrent of a smart key wire-based welding apparatus according to claim 5, wherein the calculating the current transmission distance between each of the target marking apparatuses includes:
calculating a current transmission distance between each of the target marking devices by the following formula:
Figure QLYQS_9
； wherein ,/>
Figure QLYQS_10
Representing the current transmission distance between each of the target marking devices,/for>
Figure QLYQS_11
Representing a sequence of adjacent devices in the target marking device, < >>
Figure QLYQS_12
and />
Figure QLYQS_13
Representing the spatial coordinate point corresponding to the b1 st device in the target marking devices,/for>
Figure QLYQS_14
and />
Figure QLYQS_15
And (5) representing the space coordinate point corresponding to the b2 th device in the target marking devices.
7. The method for automatically protecting an overcurrent of a smart key wire welding apparatus according to claim 5, wherein the calculating a current loss value corresponding to each of the current transmission distances comprises:
calculating a current loss value corresponding to each of the current transmission distances by the following formula:
Figure QLYQS_16
； wherein ,/>
Figure QLYQS_17
Representing the current loss value corresponding to the j-th distance in the current transmission distance, < >>
Figure QLYQS_18
Indicating all resistance values in the j-th distance, < >>
Figure QLYQS_19
Represents the current value in the j-th distance, < >>
Figure QLYQS_20
Indicating the current transmission distance in the j-th distance,
Figure QLYQS_21
representing the corresponding cross-sectional area of the carrier at the time of current transmission in the j-th distance.
8. The method for automatically protecting overcurrent of a smart key wire-based welding apparatus according to claim 1, wherein the constructing the power storage module of the welding apparatus comprises:
creating a virtual power storage module in the welding equipment, extracting current characteristics corresponding to the input current values, and inquiring virtual codes corresponding to the current characteristics;
according to the virtual code, a current port is arranged in the virtual power storage module, and the virtual power storage module is subjected to module updating to obtain a target power storage module;
And setting a power storage trigger instruction of the current port according to the total distribution current value and the current difference value, and configuring the power storage trigger instruction into the target power storage module to obtain the power storage module.
9. The method for automatically protecting the overcurrent of the intelligent key alloy wire welding equipment according to claim 8, wherein the extracting the current characteristic corresponding to the input current value comprises the following steps:
collecting a current signal corresponding to the input current value, filtering the current signal to obtain a filtered signal, and performing Fourier transform on the filtered signal to obtain a transformed signal;
acquiring an energy density spectrum corresponding to the transformation signal, and extracting a density spectrum parameter of the energy density spectrum;
and carrying out feature extraction on the density spectrum parameters to obtain feature parameters, and obtaining current characteristics corresponding to the input current values according to the feature parameters.
10. An automatic overcurrent protection device based on intelligent key alloy wire welding equipment, which is characterized by comprising:
the parameter extraction module is used for acquiring welding equipment of the key alloy wire of the current to be analyzed, identifying equipment devices in the welding equipment, extracting equipment parameters corresponding to the equipment devices, and determining driving current values and device resistance values of the equipment devices according to the equipment parameters;
The current value calculation module is used for detecting an input current value of the welding equipment, acquiring a circuit construction diagram of the welding equipment before the input current value is transmitted to the equipment, analyzing a device relation corresponding to the equipment according to the circuit construction diagram, and calculating an access current value of the equipment according to the device relation, the input current value and the device resistance;
the distribution device determining module is used for combining the device relation and the circuit construction diagram, calculating a current difference value corresponding to the access current value and the driving current value, marking the equipment device if the current difference value is greater than zero to obtain marking equipment, and determining a device capable of performing current distribution by the marking equipment according to the marking equipment and the current difference value to obtain a distribution device;
the priority calculating module is used for inquiring the device task corresponding to the distributing device and calculating the task priority of the device task according to the following formula:
Figure QLYQS_23
； wherein ,/>
Figure QLYQS_25
Indicate->
Figure QLYQS_27
Task priority of individual device tasks +.>
Figure QLYQS_24
Serial number representing device task, +.>
Figure QLYQS_26
Task number representing device tasks, +. >
Figure QLYQS_28
Representing latency for kth device taskValue of->
Figure QLYQS_29
Representing the latency value corresponding to the k+1th device task,/for>
Figure QLYQS_22
A linear function representing the latency values of the kth and k+1th device tasks;
the distributed current summation module is used for combining the device relation and the driving current value, calculating a distributed current value corresponding to the distributed device, and summing the distributed current value to obtain a distributed current total value;
the current distribution module is used for conveying the current corresponding to the current difference value to the equipment device according to the distributed current total value according to the task priority if the distributed current total value is not larger than the current difference value so as to execute overcurrent self-protection on the welding equipment;
and the electricity storage module construction module is used for constructing an electricity storage module of the welding equipment if the total value of the distributed currents is larger than the current difference value, and inputting the current difference value into the electricity storage module so as to execute overcurrent protection of the welding equipment.
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