CN113111439B - Ship welding management and control system and method based on communication network - Google Patents

Ship welding management and control system and method based on communication network Download PDF

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CN113111439B
CN113111439B CN202110432062.XA CN202110432062A CN113111439B CN 113111439 B CN113111439 B CN 113111439B CN 202110432062 A CN202110432062 A CN 202110432062A CN 113111439 B CN113111439 B CN 113111439B
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徐昇
朱明华
于洋
魏雷
姜坤
陈明
许彦文
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Jiangnan Shipyard Group Co Ltd
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Abstract

The invention provides a ship welding management and control system and method based on a communication network, wherein the system comprises: at least two welding machines and a server; a real-time database is arranged in the server; the welding machine includes: inverter, gather the module, include: the data acquisition module is used for acquiring real-time working parameters of the welding machine; the data receiving module is used for receiving the welding attitude, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of a welder from the real-time database; the operation module is used for calculating the welding quality of the welding seam when the real-time acquisition frequency is not higher than the set acquisition frequency value; and the resource scheduling module is used for sending the data acquired by the set value of the acquisition frequency to the real-time database through a network when the real-time acquisition frequency is higher than the set value of the acquisition frequency, deciding the operation main body and realizing resource allocation. The invention improves the transmitted data quantity, has strong data processing capability and more accurate evaluation model, and realizes the real-time evaluation of the weld quality.

Description

Ship welding management and control system and method based on communication network
Technical Field
The invention belongs to the field of ship welding, relates to a control system and a method, and particularly relates to a ship welding control system and a method based on a communication network.
Background
The ship welding is a complex engineering project, the welding operation is the most important operation content in shipbuilding production, the number of large ship welding lines is as large as 130 ten thousand, welding materials consume hundreds of tons, and the welding working hours account for 35 percent of the total building working hours of the ship body. With the advancement of science and technology, the welding management mode has gradually advanced from pure manual management to automatic recording by an information means. At present, a plurality of welding machine manufacturers and shipbuilding enterprises in China use a welding management and control system to record welding real-time parameters and realize the binding of welders, welding machines and welding tasks.
Among the factors that influence the welding quality, the variation of the welding waveform is one of the main contents. However, due to the fact that the delay rate of the WIFI and 4G wireless networks is high, and data packet loss caused by high-frequency real-time acquisition generally exists, the acquisition frequency of all domestic manufacturers for welding real-time data is more than or equal to 1 s/time at present, the acquisition frequency is only suitable for checking the average welding process parameters of a welder in a period of time in welding operation, the welding parameters selected by the welder during welding are prevented from exceeding the welding process specifications, and the welding quality of a welding seam cannot be directly inferred according to a welding waveform. The real-time welding data transmission frequency of a digital welding machine inverter in the market at present can reach 10KHZ-50KHZ, and the obtained welding waveform can basically display the function of abnormal conditions in the welding process when the welding parameter acquisition frequency of the welding machine reaches 1KHZ according to the existing welding experience. The data volume of 1 KHZ's collection frequency is difficult to realize stable transmission with current WIFI and 4G network, and especially high frequency collection can cause data transmission link to block up after the management and control welding machine quantity reaches hundreds of, and then causes losing in a large number of data.
In addition, the key influence conditions of the welding quality also comprise factors such as the preparation condition of the welding seam, welding gestures of a welder and the like. One welding seam has different gaps and different degrees of cleanness of the welding seam, and the real-time current and voltage required by welding are different. When a welder welds, after welding gestures change, corresponding current and voltage also change, and the optimal welding current and voltage corresponding to different welding gestures and welding habits of the same welding line are also different. However, these conditions cannot be managed due to the restriction of the existing network environment.
Therefore, how to provide a ship welding management and control system and method based on a communication network to solve the defects that the prior art is easy to lose welding data, the welding seam preparation condition is unclear, the welding pool cannot be monitored, the welding posture of a welder cannot be obtained, and the like, has become a technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide a ship welding management and control system and method based on a communication network, which are used to solve the problem that welding data is easily lost in the prior art.
In order to achieve the above and other related objects, an aspect of the present invention provides a ship welding management and control system based on a communication network, including at least two welding machines and a server in communication connection with the welding machines; a real-time database is arranged in the server; each of the welders includes: the inverter is used for transmitting the real-time working parameters of the welding machine according to the transmitting frequency; the acquisition module is connected with the inverter; wherein, gather the module and include: the data acquisition module is used for acquiring real-time working parameters of the welding machine from the inverter; the data receiving module is used for receiving the welding attitude, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of a welder from the real-time database; the operation module is used for calculating the welding quality of the welding seam by utilizing the real-time working parameters of the welding machine acquired by the data acquisition module and the welding attitude, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of the welder received by the data receiving module when the real-time acquisition frequency is not higher than the acquisition frequency set value; and the resource scheduling module is used for sending the data acquired by the set value of the acquisition frequency to the real-time database through a network when the real-time acquisition frequency is higher than the set value of the acquisition frequency, and realizing resource allocation through the decision operation main body of the real-time database.
In an embodiment of the invention, the welding machine further includes: and the storage module is used for storing the welding attitude, the welding seam gap width, the welding seam surface flatness, the welding seam droplet falling time of the welder sent by the data receiving module in a packaging mode by taking the welding machine serial number as a main key, and the real-time working parameters of the welder, which are transmitted by the data acquisition module and are matched with the welding machine serial number.
In an embodiment of the invention, the storage module is configured to forward the data to the operation module when the real-time acquisition frequency is not higher than the set acquisition frequency value.
In an embodiment of the invention, the ship welding management and control system based on the communication network further includes a relational database in communication connection with the real-time database.
In an embodiment of the present invention, the operation subject includes a server and a welder in an idle state in the same network segment.
In an embodiment of the invention, after the real-time database receives the data sent by the resource scheduling module, if the data volume is greater than the data volume set value, the received data is sent to an operation module of the welding machine in an idle state, so that the operation module calculates the welding quality of the welding seam; and if the data volume is not larger than the data volume set value, sending the received data to the server, and calculating the welding quality of the welding seam through the server.
In an embodiment of the present invention, the real-time operating parameters of the welding machine include current, voltage and pulse period of the welding machine.
In an embodiment of the invention, the communication network includes a 2G, 3G, 4G and/or 5G communication network.
The invention provides a ship welding control method based on a communication network, which is applied to a ship welding control system based on the communication network; the ship welding management and control system based on the communication network comprises at least two welding machines and a server in communication connection with the welding machines, wherein the server is provided with a real-time relation library; the ship welding control method based on the communication network comprises the following steps: collecting real-time working parameters of a welding machine; receiving the welding attitude, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of a welder; when the real-time acquisition frequency is not higher than the set acquisition frequency value, calculating the welding quality of the welding seam by using the acquired real-time working parameters of the welding machine, the welding attitude of a welder, the width of a welding seam gap, the surface flatness of the welding seam and the falling time of a molten drop of the welding seam; and when the real-time acquisition frequency is higher than the set acquisition frequency value, transmitting the data acquired by the set acquisition frequency value to the real-time database through a network, and deciding the operation main body to realize resource allocation.
In an embodiment of the present invention, the ship welding control method based on the communication network further includes: if the data volume is larger than the data volume set value, sending the received data to an operation module of the welding machine in an idle state, and enabling the operation module to calculate the welding quality of the welding seam; and if the data volume is not larger than the data volume set value, sending the received data to the server, and calculating the welding quality of the welding seam through the server.
As described above, the ship welding management and control system and method based on the communication network of the present invention have the following beneficial effects:
1) The invention realizes the collection of welder welding attitude data and brings welder behavior into management and control.
2) The invention integrates the communication module, for example, the 5G module with the acquisition module, greatly improves the information interaction rate between the acquisition module and the database, reduces the data transmission delay and improves the data volume transmitted in unit time.
3) The method has strong data processing capability, has three modes of self-operation, real-time database assisted cloud operation and other idle welders assisted edge operation aiming at the welding data with different frequencies, and meets the welding machine data processing requirements with different frequencies.
4) The evaluation model is more accurate, and the factors influencing the welding quality of the welding seam are managed and controlled in the system as much as possible, so that the welding is generated in real time after the welding is finished.
Drawings
Fig. 1 is a schematic structural diagram of a ship welding management and control system based on a communication network according to an embodiment of the present disclosure.
Fig. 2 is a schematic diagram illustrating a schematic structure of an acquisition module according to an embodiment of the present disclosure.
Fig. 3 is a flowchart illustrating a ship welding control method based on a communication network according to an embodiment of the present disclosure.
Description of the element reference numerals
10. Ship welding based on communication network
Pipe connection and control system
1. Welding machine
2. Server
11. Inverter with a voltage regulator
12. Collection module
121. Data acquisition module
122. Data receiving module
123. Memory module
124. Operation module
125. Resource scheduling module
126. Communication module
21. Real-time database
22. Relational database
S31-S33
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Example one
This embodiment provides a boats and ships welding management and control system based on communication network, includes:
the welding system comprises at least two welding machines and a server in communication connection with the welding machines; a real-time database is arranged in the server;
each of the welders includes:
the inverter is used for transmitting the real-time working parameters of the welding machine according to the transmitting frequency;
the acquisition module is connected with the inverter; wherein, gather the module and include:
the data acquisition module is used for acquiring real-time working parameters of the welding machine from the inverter;
the data receiving module is used for receiving the welding attitude, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of a welder from the real-time database;
the operation module is used for calculating the welding quality of the welding seam by utilizing the real-time working parameters of the welding machine acquired by the data acquisition module and the welding attitude, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of the welder received by the data receiving module when the real-time acquisition frequency is not higher than the acquisition frequency set value;
and the resource scheduling module is used for sending the data acquired by the set value of the acquisition frequency to the real-time database through a network when the real-time acquisition frequency is higher than the set value of the acquisition frequency, and deciding the operation main body through the real-time database.
The communication network based ship welding management and control system provided by the embodiment will be described in detail with reference to the drawings. Please refer to fig. 1, which is a schematic structural diagram of a ship welding management and control system based on a communication network according to an embodiment of the present application. As shown in fig. 1, the ship welding management and control system 10 based on the communication network includes at least two welding machines 1 and a server 2 in communication connection with the welding machines 1, and a real-time database 21 and a relational database 22 connected with the real-time database 21 are arranged in the server 2. The communication network comprises a 2G, 3G, 4G and/or 5G communication network.
The welder 1 comprises an inverter 11 and a collection module 12.
The inverter 11 is used for transmitting real-time working parameters of the welding machine according to the transmission frequency.
In this embodiment, the real-time operating parameters of the welder include current, voltage and pulse period of the welder. The transmission frequency of the parameters of the inverter 11 is different according to different models of welding machines and can reach 10K-100K.
Please refer to fig. 2, which is a schematic structural diagram of an acquisition module according to an embodiment of the present application. As shown in fig. 2, the collection module 12 connected to the inverter 11 includes: the system comprises a data acquisition module 121, a data receiving module 122, a storage module 123, an operation module 124, a resource scheduling module 125 and a communication module 126.
The data acquisition module 121 is used for acquiring real-time working parameters of the welder from the inverter 11. In this embodiment, the data acquisition module 121 acquires parameters according to a real-time acquisition frequency.
The data receiving module 122 connected in parallel with the data collecting module 121 is used for receiving basic data of welding quality-related factors such as welding postures, welding seam gap widths, welding seam surface flatness, welding seam droplet falling time and the like of welders collected by an industrial camera.
The storage module 123 connected to the data acquisition module 121 and the data receiving module 122 is used for storing the welding attitude (angle between the welding gun and the welding seam), the welding seam gap width, the welding seam surface flatness (height of the welding seam), the welding seam droplet falling time of the welder, which is sent by the data receiving module by packaging with the welder serial number as a main key, and the real-time working parameters of the welder matched with the welder serial number and transmitted by the data acquisition module.
The operation module 124 connected to the storage module 123 is configured to calculate the welding quality of the welding seam by using the real-time working parameters of the welding machine acquired by the data acquisition module and the welding attitude, the welding seam gap width, the welding seam surface flatness, and the welding seam droplet falling time of the welder received by the data receiving module when the real-time acquisition frequency is not higher than the acquisition frequency set value.
In the present embodiment, the weld quality may be evaluated from three aspects, that is, the weld visual inspection result, the weld parameter evaluation result, and the weld droplet detachment timing evaluation result. In this embodiment, all of the three full scores are 100 points.
Firstly, the evaluation principle of the welding seam appearance inspection result is as follows: and comprehensively evaluating the welding quality of the welding seam through the width of the welding gap and the surface flatness of the welding seam shot by the industrial camera. Wherein the evaluation element comprises: a weld gap width deviation value; a deviation value of the flatness of the welding line; given the specified value of the weld gap width: a +/-b; shooting by an industrial camera to give the minimum difference n of the widths a1, a1 and a +/-b of the weld gap; and the height of the welding seam is shot by an industrial camera to give a large fall value c. The weld score coefficients are shown in tables 1 and 2:
table 1: coefficient of weld score
Figure BDA0003031765680000061
Table 2: coefficient of weld score
Figure BDA0003031765680000062
When the score calculated by the operation module 124 is 0, the weld evaluation score is directly =0, that is, the weld is determined as a defective weld by default, and the quality inspection part performs a shot inspection on the defective weld.
Second, the principle of evaluation of welding parameters: and evaluating the welding quality of the welding seam by comparing the welding real-time parameters with preset values. Wherein the evaluated welding parameters include: the deviation percentage of the welding current average value and a preset value is Wx; the coefficient of variation of the welding current is Wy; the coefficient of variation of the welding voltage is Wz; the deviation percentage of the average value of the welding speed from the preset value is Wv; the weight of the four elements needs to satisfy Wx + Wy + Wz + Wv =100%;
the calculation formula of the welding quality score coefficient of the welding seam is as follows:
welding current deviation score coefficient: gx = (1- | Ia-Ip |/Ip) × Wx, if Ia >2ip, gx =0;
welding current dispersion score coefficient: gy = (1-C.V) I ) Wy; if C.V I >1，Gy＝0；
Welding voltage dispersion score coefficient: gz = (1-C.V) U ) Wz; if C.V U >1，Gz＝0；
Welding speed deviation score coefficient: gv = (1- | Va-Vp |/Vp) × Wv; if Va >2Vp, gv =0;
the total mass fraction coefficient of the welding seam is as follows: g = Gx + Gy + Gz + Gv. The welding current calculation needs to consider the current deviation caused by different dry elongations of the welding wires due to different welding postures of welders, namely, the current and voltage compensation amount is increased during calculation.
Wherein Ip is a preset welding current value, I1-In are welding current sampling data, U1-Un are welding voltage sampling data, vp is a preset welding speed value, t is total welding time, and L is the length of a welding seam;
ia is the welding current average value Ia, ia = Σ Ii/n; s I 2 For the welding current variance value, S I 2 ＝Σ(Ii-Ia) 2 /n；C.V I Welding current variation coefficient: C.V I (ii) = S/Ia 100%; ua is the welding voltage average, ua = Σ Ui/n; s U 2 For the welding voltage variance values: s U 2 ＝Σ(Ui-Ua) 2 /n；：C.V U The welding voltage variation coefficient is: C.V U ＝S U 100% of/Ua; va is an average welding speed, and Va = L/t.
Thirdly, evaluating the falling time of the welding bead molten drop, wherein the evaluation principle is as follows:
and evaluating the quality of the welding seam by comparing the time of falling of the welding seam molten drop shot by the industrial camera with the welding waveform in the system. The parameter is specific to the detailed part of the weld joint, does not influence the overall score of the weld joint, and displays the score of the detailed part of the weld joint.
When the molten drops fall off, the short circuit transition frequency of the system is inconsistent with other time frequencies, namely density difference, the cycle times are obtained in the system and are compared with the molten drop falling time shot by an industrial camera, if the molten drop falling time is not completely matched, abnormal time is recorded, and when the molten drop falling time is inconsistent for 0.3s, the welding time is recorded and marked for quality inspection departments to check and reference. This evaluation is mainly used in the case of high sampling frequency, and the system does not make this determination when the sampling frequency is lower than 50 HZ.
After the operation module calculates the welding quality of the welding seam, the welding quality of the welding seam is sent to the real-time database 21 through a communication network, and the real-time database 21 processes the welding quality of the welding seam and then sends the processed welding quality of the welding seam to the relational database 22 for gathering and storing.
When the real-time collection frequency is higher than the collection frequency set value, the storage module 123 sends the data collected at the higher collection frequency set value to the resource scheduling module 125.
The resource scheduling module 125 sends the data acquired at the frequency higher than the set value to the real-time database 21 of the server 2 through the communication network, and the resource allocation is realized through the real-time database decision-making operation body. In this embodiment, the operation subject includes a server and a welder in an idle state in the same network segment.
Specifically, the real-time database 21 is configured to compare the received data amount with a data amount set value after the real-time database receives the data sent by the resource scheduling module, and send the received data to an operation module of another welding machine to calculate the welding quality of the welding seam if the data amount is greater than the data amount set value, so as to assist in the operation; and if the data volume is not larger than the data volume set value, sending the received data to the server, and calculating the welding quality of the welding seam through the server. And send the weld quality calculated by the server and/or idle welders to the relational database 22.
A Base Station (BS) is a device deployed in a radio access network to provide a UE with a wireless communication function. The base stations may include various forms of macro base stations, micro base stations, relay stations, access points, and the like. In systems using different radio access technologies, names of devices having functions of base stations may be different, for example, in an LTE network, referred to as an evolved node B (eNB or eNodeB), in a third generation 3G network, referred to as a node B (NodeB), and so on. For convenience of description, apparatuses for providing a terminal with a wireless communication function are collectively referred to as a base station in this application.
It should be noted that the division of the modules of the above system is only a logical division, and the actual implementation may be wholly or partially integrated into one physical entity, or may be physically separated. And the modules can be realized in a form that all software is called by the processing element, or in a form that all the modules are realized in a form that all the modules are called by the processing element, or in a form that part of the modules are called by the hardware. For example: the x module can be a separately established processing element, and can also be integrated in a certain chip of the system. In addition, the x module may be stored in the memory of the system in the form of program codes, and may be called by one of the processing elements of the system to execute the functions of the x module. Other modules are implemented similarly. All or part of the modules can be integrated together or can be independently realized. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in the form of software. These above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), one or more microprocessors (DSPs), one or more Field Programmable Gate Arrays (FPGAs), and the like. When a module is implemented in the form of a Processing element scheduler code, the Processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. These modules may be integrated together and implemented in the form of a System-on-a-chip (SOC).
The ship welding management and control system based on the communication network has the following beneficial effects:
1) The acquisition of welder welding attitude data is realized, and welder behaviors are brought into management and control.
2) The 5G module and the acquisition module are integrated together, so that the information interaction rate between the acquisition module and the database is greatly improved, the data transmission delay is reduced, and the data volume transmitted in unit time is improved.
3) The data processing capability is strong, three modes of self operation, real-time database assisted cloud operation and other idle welding machines assisted edge operation are provided for the welding data with different frequencies, and the welding machine data processing requirements with different frequencies are met.
4) The evaluation model is more accurate, and factors influencing the welding quality of the welding seam are controlled in the system as much as possible, so that the welding is generated in real time after the welding is finished.
Example two
The embodiment provides a ship welding management and control method based on a communication network, which is applied to a ship welding management and control system based on the communication network; the ship welding management and control system based on the communication network comprises at least two welding machines and a server in communication connection with the welding machines, wherein the server is provided with a real-time relation library; the ship welding control method based on the communication network comprises the following steps:
collecting real-time working parameters of a welding machine;
receiving the welding attitude, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of a welder;
when the real-time acquisition frequency is not higher than the set acquisition frequency value, calculating the welding quality of the welding seam by using the acquired real-time working parameters of the welding machine, the welding attitude of a welder, the width of a welding seam gap, the surface flatness of the welding seam and the falling time of a molten drop of the welding seam;
and when the real-time acquisition frequency is higher than the acquisition frequency set value, transmitting the data acquired by the acquisition frequency set value to the real-time database through a network, and deciding the operation main body.
The ship welding control method based on the communication network provided by the embodiment will be described in detail with reference to the drawings. Please refer to fig. 3, which is a flowchart illustrating a ship welding control method based on a communication network according to an embodiment of the present application.
As shown in fig. 3, the ship welding control method 3 based on the communication network specifically includes the following steps:
and S31, collecting real-time working parameters of the welding machine from the inverter.
S31', basic data of welding quality related factors such as welding attitude, welding seam gap width, welding seam surface flatness, welding seam molten drop falling time and the like of a welder are received through an industrial camera.
And S32, storing the welding posture, the welding seam gap width, the welding seam surface flatness, the welding seam droplet falling time of the welder, which are sent by the data receiving module in a packaging mode by taking the welding machine serial number as a main key, and the real-time working parameters of the welder, which are transmitted by the data acquisition module and are matched with the welding machine serial number.
And S33, when the real-time acquisition frequency is not higher than the set acquisition frequency value, calculating the welding quality of the welding seam by using the real-time working parameters of the welding machine acquired by the data acquisition module and the welding posture, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of the welder received by the data receiving module.
And S33', when the real-time acquisition frequency is higher than the set acquisition frequency value, transmitting the data acquired under the set acquisition frequency value to a real-time database of the server through a communication network, and deciding the operation main body through the real-time database. In this embodiment, the operation subject includes a server and a welder in an idle state in the same network segment.
Specifically, S33' includes: when the real-time database receives the data sent by the resource scheduling module, comparing the received data quantity with a data quantity set value, and if the data quantity is larger than the data quantity set value, sending the received data to an operation module of another welding machine to enable the operation module to calculate the welding quality of the welding seam so as to assist in operation; and if the data volume is not larger than the data volume set value, sending the received data to the server, and calculating the welding quality of the welding seam through the server. And sending the welding quality of the welding seam calculated by the server and/or the idle welding machine to the relational database.
The protection scope of the ship welding control method based on the communication network is not limited to the execution sequence of the steps listed in the embodiment, and all the schemes of adding, subtracting and replacing the steps in the prior art according to the principle of the invention are included in the protection scope of the invention.
The invention also provides a communication network-based ship welding management and control system, which can realize the communication network-based ship welding management and control method, but the device for realizing the communication network-based ship welding management and control method comprises but is not limited to the structure of the communication network-based ship welding management and control system listed in the embodiment, and all structural deformation and replacement in the prior art according to the principle of the invention are included in the protection scope of the invention.
In summary, the ship welding management and control system and method based on the communication network of the invention have the following beneficial effects:
1) The invention realizes the collection of welder welding attitude data and brings welder behavior into management and control.
2) The invention integrates the communication module, for example, the 5G module with the acquisition module, greatly improves the information interaction rate between the acquisition module and the database, reduces the data transmission delay and improves the data volume transmitted in unit time.
3) The method has strong data processing capability, has three modes of self-operation, real-time database assisted cloud operation and other idle welders assisted edge operation aiming at the welding data with different frequencies, and meets the welding machine data processing requirements with different frequencies.
4) The evaluation model is more accurate, and the factors influencing the welding quality of the welding seam are managed and controlled in the system as much as possible, so that the welding is generated in real time after the welding is finished. The invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (9)

1. The utility model provides a boats and ships welding management and control system based on communication network which characterized in that includes:
the system comprises at least two welding machines and a server in communication connection with the welding machines; a real-time database is arranged in the server;
each of the welders includes:
the inverter is used for transmitting the real-time working parameters of the welding machine according to the transmitting frequency;
the acquisition module is connected with the inverter; wherein, gather the module and include:
the data acquisition module is used for acquiring real-time working parameters of the welding machine from the inverter;
the data receiving module is used for receiving the welding attitude, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of a welder from the real-time database;
the operation module is used for calculating the welding quality of the welding seam by utilizing the real-time working parameters of the welding machine acquired by the data acquisition module and the welding attitude, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of the welder received by the data receiving module when the real-time acquisition frequency is not higher than the acquisition frequency set value;
the resource scheduling module is used for sending the data acquired by the acquisition frequency set value to the real-time database through a network when the real-time acquisition frequency is higher than the acquisition frequency set value, and realizing resource allocation through the real-time database decision operation main body; the operation body includes: the welding machine is in an idle state in the server and the same network segment.
2. The communication network based marine welding management and control system of claim 1, wherein said welder further comprises:
and the storage module is used for storing the welding attitude, the welding seam gap width, the welding seam surface flatness, the welding seam droplet falling time of the welder sent by the data receiving module in a packaging mode by taking the welding machine serial number as a main key, and the real-time working parameters of the welder, which are transmitted by the data acquisition module and are matched with the welding machine serial number.
3. The communication network based ship welding management and control system according to claim 2, wherein the storage module is used for forwarding data to the operation module when the real-time collection frequency is not higher than the collection frequency set value.
4. The communication network based marine welding management and control system of claim 1 further comprising a relational database communicatively coupled to the real-time database.
5. The communication network based marine welding management and control system of claim 1,
after the real-time database receives the data sent by the resource scheduling module, if the data volume is larger than a data volume set value, the received data is sent to an operation module of the welding machine in an idle state, and the operation module is enabled to calculate the welding quality of the welding seam;
and if the data volume is not larger than the data volume set value, sending the received data to the server, and calculating the welding quality of the welding seam through the server.
6. The communication network based ship welding management and control system according to claim 1, wherein the real-time working parameters of the welder comprise current, voltage and pulse period of the welder.
7. The communication network based ship welding management and control system according to claim 1, wherein the communication network comprises 2G, 3G, 4G and/or 5G communication networks.
8. A ship welding control method based on a communication network is characterized by being applied to a ship welding control system based on the communication network; the ship welding management and control system based on the communication network comprises at least two welding machines and a server in communication connection with the welding machines, wherein the server is provided with a real-time relation library; the ship welding control method based on the communication network comprises the following steps:
collecting real-time working parameters of a welding machine;
receiving the welding attitude, the welding seam gap width, the welding seam surface flatness and the welding seam molten drop falling time of a welder;
when the real-time acquisition frequency is not higher than the set acquisition frequency value, calculating the welding quality of the welding seam by using the acquired real-time working parameters of the welding machine, the welding posture of a welder, the width of a welding seam gap, the surface flatness of the welding seam and the falling time of a welding seam molten drop;
when the real-time acquisition frequency is higher than the acquisition frequency set value, transmitting the data acquired by the acquisition frequency set value to a real-time database through a network, and deciding a calculation main body to realize resource allocation; the operation body includes: the welding machine is in an idle state in the server and the same network segment.
9. The communication network based ship welding management and control method according to claim 8,
the ship welding control method based on the communication network further comprises the following steps:
if the data volume is larger than the data volume set value, sending the received data to an operation module of the welding machine in an idle state to assist in calculating the welding quality of the welding seam;
and if the data volume is not larger than the data volume set value, sending the received data to the server, and calculating the welding quality of the welding seam through the server.
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