CN110549631A - Electric hot-melting welding machine and electric hot-melting welding method - Google Patents
Electric hot-melting welding machine and electric hot-melting welding method Download PDFInfo
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- CN110549631A CN110549631A CN201910951626.3A CN201910951626A CN110549631A CN 110549631 A CN110549631 A CN 110549631A CN 201910951626 A CN201910951626 A CN 201910951626A CN 110549631 A CN110549631 A CN 110549631A
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- 238000003466 welding Methods 0.000 title claims abstract description 194
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000002844 melting Methods 0.000 title claims abstract description 26
- 239000004698 Polyethylene Substances 0.000 claims abstract description 121
- -1 polyethylene Polymers 0.000 claims abstract description 121
- 229920000573 polyethylene Polymers 0.000 claims abstract description 121
- 238000010438 heat treatment Methods 0.000 claims description 33
- 238000004891 communication Methods 0.000 claims description 21
- 230000004927 fusion Effects 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
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- 238000009434 installation Methods 0.000 claims description 2
- 239000012943 hotmelt Substances 0.000 description 18
- 230000001105 regulatory effect Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
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- 230000003750 conditioning effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
- B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The application provides an electric hot-melting welding machine and an electric hot-melting welding method. The electric hot-melting welding machine comprises a welding machine main body, a scanner and a welding connecting line; a controller and an adjusting module are arranged in the welding machine main body; the welder body is also provided with an output interface and a power interface for connecting a power supply; the scanner is arranged outside the welder body; the scanner is used for scanning bar codes on the polyethylene sleeves to be welded. In the application, the scanner scans the bar code on the polyethylene sleeve to be welded, and the controller sends a control signal to the adjusting module according to the welding parameter corresponding to the bar code, so that the adjusting module adjusts the corresponding voltage and current, and the polyethylene sleeve is welded. The mode is convenient to operate, the basic information and parameters of the polyethylene sleeve can be read only by scanning the bar code on the polyethylene sleeve, welding parameters are automatically matched to complete welding, manual judgment is not relied on, and welding automation is realized.
Description
Technical Field
The application relates to the technical field of electric hot-melt welding, in particular to an electric hot-melt welding machine and an electric hot-melt welding method.
Background
The electric heat fusion welding machine is a machine which is used for electrifying an electric heat fusion joint to enable an embedded heating wire of the electric heat fusion joint to generate heat, converting current into heat energy through the heating wire, melting the outer wall of the tail end of a pipeline and the inner wall of the electric heat fusion joint through the heat energy, and welding the pipeline together after cooling and solidification, wherein about 80 joints exist in the heat preservation pipeline every kilometer at present, and the quality of the joint construction process seriously influences the whole service life of the heat preservation pipeline. The electric hot melting welding machine used in the traditional mode is mainly characterized in that related parameters such as heating temperature, voltage, current, welding time and the like in the welding process are manually adjusted, the degree of automation of the electric hot melting welding machine is low, constructors operate completely according to experience, construction quality is unstable, and manual operation uncontrollable exists.
Disclosure of Invention
An object of the embodiments of the present application is to provide an electric hot-melt welding machine and an electric hot-melt welding method, so as to improve the above-mentioned "related parameters such as heating temperature, voltage, current, and welding time in the welding process are mainly adjusted manually in the electric hot-melt welding equipment used in the conventional manner", and the electric hot-melt welding machine has a low degree of automation, and is operated by a constructor completely by experience, and the construction quality is unstable, and there is an uncontrollable problem of manual operation ".
the invention is realized by the following steps:
In a first aspect, an embodiment of the present application provides an electric hot-melt welding machine, including: the welding machine comprises a welding machine main body, a scanner and a welding connecting line; a controller and an adjusting module are arranged in the welding machine main body; the controller is electrically connected with the adjusting module; the welder body is also provided with an output interface and a power interface for connecting a power supply; the output interface is connected with the adjusting module, and the power supply interface is connected with the controller; the welding connecting line is connected with the output interface; the welding connecting line is used for connecting the polyethylene sleeves; the scanner is electrically connected with the controller and is arranged outside the welder body; the scanner is used for scanning bar codes on the polyethylene sleeves to be welded; the polyethylene sleeve comprises a connector lug and a heating wire, the connector lug is connected with the heating wire, and the polyethylene sleeve is connected with the welding connecting wire through the connector lug.
In the application, the scanner scans the bar code on the polyethylene sleeve to be welded, and the controller sends a control signal to the adjusting module according to the welding parameter corresponding to the bar code, so that the adjusting module adjusts the corresponding voltage and current, and the polyethylene sleeve is welded. The mode is convenient to operate, the basic information and parameters of the polyethylene sleeve can be read only by scanning the bar code on the polyethylene sleeve, welding parameters are automatically matched to complete welding, manual judgment is not relied on, and welding automation is realized.
In combination with the technical solution provided by the first aspect, in some possible implementation manners, a positioning device is further disposed inside the welder body, and the positioning device is electrically connected with the controller.
In this application, can be accurate acquire the positional information that each pipeline end was located when welding through positioner, and then associate positional information and pipeline information, when being convenient for follow-up fortune dimension transformation, the accurate crater position of finding.
with reference to the technical solution provided by the first aspect, in some possible implementations, the electrothermal welding machine further includes a temperature sensor and/or a pressure sensor, the temperature sensor is electrically connected to the controller, and a probe of the temperature sensor is placed on the heating wire; the pressure sensor is electrically connected with the controller and is placed between the polyethylene sleeve and the binding tool.
According to the method, the temperature position and the numerical value during welding can be collected in real time through the temperature sensor, and the welding quality is improved; the pressure between the polyethylene sleeves and the tail end of the pipeline (namely the pressure during binding of the polyethylene sleeves) can be detected in real time through the pressure sensor, and then pressure control is realized.
With reference to the technical solution provided by the first aspect, in some possible implementation manners, the adjusting module includes a current adjusting module, and the current adjusting module is electrically connected to the controller.
In the application, the controller sends a control signal to the current regulating module according to the welding parameters of the polyethylene sleeves corresponding to the bar codes, so that the current regulating module regulates the corresponding current, and the polyethylene sleeves are welded. According to the mode, basic information and parameters of the polyethylene sleeve can be read only by scanning the bar code on the polyethylene sleeve, welding parameters are automatically matched, current adjustment during welding is completed, manual judgment and adjustment are not relied on, and welding automation is achieved.
In combination with the technical solution provided by the first aspect, in some possible implementation manners, a communication module is further disposed inside the welder body, and the communication module is electrically connected with the controller.
In this application, can in time upload the data when welding through communication module, for example with temperature, voltage when welding, the timely transmission of data such as the location of welding position to high in the clouds or peripheral terminal makes things convenient for constructor remote control and the data in later stage to trace back.
In combination with the technical solution provided by the first aspect, in some possible implementation manners, a transformer is further disposed inside the welder body, and the transformer is respectively connected with the controller and the power interface.
In the application, a transformer is connected between the power interface and the controller, so that the voltage output by an external power supply connected with the power interface can be converted into the working voltage of the controller, and the stable work of the controller is ensured.
With reference to the technical solution provided by the first aspect, in some possible implementations, the scanner is a laser scanner.
In the application, the laser scanner is adopted to scan the first reading rate and the accuracy is higher.
In a second aspect, an embodiment of the present application provides an electrothermal welding method applied to the electrothermal welding machine in the first aspect, the method including: arranging the polyethylene oversleeve at the joint of the tail end of the first pipeline and the tail end of the second pipeline; electrifying the electric hot-melting welding machine, and scanning the bar codes on the polyethylene sleeves by adopting the scanner; and after the scanning is finished, the electric hot-melting welding machine starts to weld.
In combination with the above-mentioned second aspect, in some possible implementations, before the step of disposing the polyethylene cuff at the junction of the pipe end of the first pipe and the pipe end of the second pipe, the method further includes: performing installation detection on the first pipeline and the second pipeline; cleaning and polishing the first pipeline and the second pipeline; and a binding tool is placed in the polyethylene sleeve, is tensioned and is beaten by a plastic hammer.
In a third aspect, an embodiment of the present application provides an electrothermal welding method applied to a controller in the electrothermal welding machine described in the first aspect, the method including: receiving bar code information on a target polyethylene sleeve acquired by the scanner; matching the bar code information on the target polyethylene sleeve with the prestored polyethylene sleeve; and sending the welding parameters of the target polyethylene sleeve corresponding to the matching result to an adjusting module.
Drawings
in order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an electrothermal welding machine according to an embodiment of the present application.
Fig. 2 is a block diagram of a part of modules connected to a controller according to an embodiment of the present disclosure.
Fig. 3 is a schematic structural diagram of another electric hot-melt welding machine according to an embodiment of the present application.
Fig. 4 is a schematic view of a pipe connection provided in an embodiment of the present application.
FIG. 5 is a flowchart illustrating steps of a process for using an electrothermal welding machine according to an embodiment of the present application.
Fig. 6 is a flowchart illustrating steps of an electrothermal welding method according to an embodiment of the present disclosure.
Icon: 10-electric hot melt welding machine; 100-a welder body; 101-a controller; 102-a conditioning module; 103-a power interface; 104-a first output interface; 105-a second output interface; 106-a positioning device; 107-a transformer; 108-a pressure sensor; 109-temperature sensor; 1091-a sensor interface; 110-a communication module; 111-a prompt module; 200-a scanner; 300-polyethylene sleeves; 301-a connector lug; 400-control panel; 500-display screen; 600-a USB interface; 700-welding a connecting wire; 20-a first conduit; 22-second conduit.
Detailed Description
Technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the prior art, related parameters such as heating temperature, voltage, current, welding time and the like in the welding process are mainly adjusted manually, the degree of automation of the electric hot melt welding machine is low, constructors operate completely according to experience, construction quality is unstable, and manual operation is uncontrollable.
In view of the above problems, the applicant has conducted long-term research and proposed the following examples to solve the above problems.
Referring to fig. 1 and 2, an embodiment of the present application provides an electric hot-melt welding machine 10, which includes a welding machine body 100, a scanner 200 connected to the welding machine body 100, and a welding connection line 700.
The welder body 100 is provided with a control circuit therein, and the control circuit includes a controller 101 and an adjustment module 102. The controller 101 is electrically connected to a conditioning module 102. At the heart of the control circuit is a controller 101, and the controller 101 is used for controlling the welding process of the whole electric hot-melt welding machine 10, such as sending a control signal to the regulating module 102 to enable the regulating module 102 to regulate the output voltage and current.
The welding main body 100 is further provided with an output interface, the output interface is connected with the welding connecting line 700, the welding connecting line 700 is used for being connected with a polyethylene sleeve, the polyethylene sleeve comprises a connector lug and a heating wire, and the polyethylene sleeve is connected with the welding connecting line 700 through the connector lug.
The controller 101 stores welding parameters of various polyethylene sleeves in advance, and it can be understood that the welding parameters such as heating temperature, voltage, current, welding time and the like are different when different polyethylene sleeves are welded. The controller 101 prestores welding parameters of various polyethylene sleeves, so that different control signals can be sent to the adjusting module 102 according to different polyethylene sleeves, and the adjusting module 102 can adjust corresponding voltage and current.
It should be noted that the Controller 101 may be a single chip, such as a 51 single chip, a Programmable Logic Controller (PLC), or a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components. A general purpose processor may be a microprocessor or the controller 101 may be any conventional processor or the like. In this embodiment, the controller 101 may be an STM32 series processor, such as STM32F103C8T6, STM32F103VET6, and STM32F103ZET 6.
It should be noted that the control signal is a level signal, such as a high level signal, where the high level signal is relative to the low level signal, and the low level represents a voltage with a voltage value lower than a first value, and the first value is a common value in the industry. For example, the first value is typically 0.0V-0.4V for TTL circuits and 0.0-0.1V for CMOS circuits. In the embodiment of the present application, optionally, the low level is 0V. A high level indicates a voltage having a voltage value higher than a second value, which is a value commonly used in the industry. For example, the second value is typically 2.4V-5.0V for TTL circuits and 4.99-5.0V for CMOS circuits. In the embodiment of the present application, optionally, the high level is 3.3V.
Wherein, the scanner 200 is arranged outside the welder body 100, and the scanner 200 is electrically connected with the controller 101. The scanner 200 is used to scan a bar code on the polyethylene sleeve that needs to be welded. It should be noted that, for different pipelines, the selected polyethylene sleeves are different, and therefore, each type of polyethylene sleeve corresponds to a barcode, and the barcode stores the welding parameters of the polyethylene sleeve correspondingly. The scanner 200 scans the bar code on the polyethylene sleeve, and then sends the welding parameters of the polyethylene sleeve corresponding to the acquired bar code to the controller 101.
Optionally, the scanner 200 is a laser scanner. The laser scanner is an optical distance sensor, when using, the inside ruddiness laser beam that sends of laser scanner is expanded beam through inside beam expanding lens, it forms the laser spot to reflect to the wobbling speculum surface on the bar code, the surface of bar code is coarser, shine the laser spot reflection that takes place at the bar code, diffuse reflection's light is shone on the speculum, reflect to inside light collector by the speculum again, collect light by the laser, reentrant photodiode, produce the photoelectric sensing signal, send greatly at last, the plastic decoding, become useful information (for example the welding parameter of polyethylene oversleeve) and send to controller 101. The laser scanner is adopted to scan the first reading rate and the precision is higher.
Alternatively, the scanner 200 may be another scanner, such as an image scanner, etc. The present application is not limited thereto.
Referring to fig. 3, a polyethylene sleeve 300 comprises a connector lug 301 and a heating wire arranged on the inner wall of the polyethylene sleeve. The welder body 100 provided by the embodiment of the application is provided with two output interfaces, namely a first output interface 104 and a second output interface 105. Accordingly, the polyethylene sleeve 300 comprises two connector lugs 301, which are respectively connected with the first output interface 104 and the second output interface 105 through the welding connection lines 700. The number of connector lugs of the polyethylene sleeve 300 corresponds to the number of output interfaces of the welder body 100. In other embodiments, the connector lug of the polyethylene sleeve 300 can be 4, and the corresponding welder body 100 needs to include 4 output interfaces. In other embodiments, the connector lug of the polyethylene sleeve 300 can be 1, and the corresponding welder body 100 needs to include 1 output interface. The present application is not limited thereto.
In the embodiment of the application, the heating wire is a copper wire. In other embodiments, the material of the heating wire may also be iron chromium aluminum. The present application is not limited thereto.
Optionally, the polyethylene sleeve in the embodiments of the present application is a high density polyethylene sleeve.
The welder body 100 is further provided with a power interface 103 for connecting a power supply, and the power interface 103 is connected with the controller 101. The power interface 103 is used for supplying power to the whole electric hot-melting welding machine 10 when being connected with an external power supply.
With continued reference to fig. 2 and fig. 3, in order to visually detect the temperature value, as an alternative implementation, the electrothermal welding machine 10 provided by the embodiment of the present application further includes a temperature sensor 109. The temperature sensor 109 is electrically connected to the controller 101. The probe of the temperature sensor 109 is placed on the heating wire of the polyethylene cuff 300 and the temperature sensor 109 is used to detect the temperature at the time of welding. Therefore, a sensor interface 1091 for connecting a temperature sensor is also provided on the welder body 100.
The model of the temperature sensor 109 may be AHT10, among others. The present application is not limited thereto.
In the embodiment of the application, the temperature position and the numerical value during welding can be collected in real time through the temperature sensor 109, and the welding quality is improved.
the use of the polyethylene sleeve 300 will now be described with reference to fig. 4, in which the tube end of the first tube 20 and the tube end of the second tube 22 are connected as shown in fig. 4. At this time, the polyethylene sleeve 300 is fitted over the junction of the two pipe ends. The polyethylene sleeve 300 is provided with an opening for facilitating the sleeving. After the sleeving is finished, the connector lug 301 of the polyethylene sleeve 300 is connected to an output interface on the welding machine main body 100 of the electric hot-melting welding machine 10, when current flows through the connector lug, the heating wire on the inner wall of the polyethylene sleeve 300 generates heat, and when the melting temperature of the polyethylene sleeve 300 is reached, the polyethylene sleeve 300 is cooled and solidified, so that the polyethylene sleeve 300 is welded with the tail ends of two pipelines.
In the embodiment of the present application, the scanner 200 scans a barcode on the polyethylene sleeve 300 to be welded, and the controller 101 sends a control signal to the adjusting module 102 according to the welding parameter corresponding to the barcode, so that the adjusting module 102 adjusts the corresponding voltage and current, and the polyethylene sleeve 300 is welded. The mode is simple to operate, the basic information and the parameters of the polyethylene sleeve 300 can be read only by scanning the polyethylene sleeve 300, welding parameters are automatically matched for welding, manual judgment is not relied on, and welding automation is realized.
with continued reference to FIG. 2, as an alternative embodiment, the present application provides an electric hot-melt welder 10 that further includes a positioning device 106 disposed within the welder body 100. The positioning device 106 is electrically connected to the controller 101. It should be noted that, in the existing thermal insulation pipeline construction, there are about 80 joints per kilometer of thermal insulation pipeline, and if an interface fails, position information cannot be obtained in time, that is, the welding position of the failed interface cannot be confirmed. The positioning device 106 can accurately acquire the position information of the tail end (i.e. the interface) of the pipeline during welding, and during welding, the position information of the welding port can be recorded and stored, so that the position of the welding port can be accurately found during subsequent operation and maintenance transformation.
It should be noted that the Positioning device 106 may be a Global Positioning System (GPS) device, a beidou device, an Assisted Global Positioning System (AGPS) device, etc., and it can be understood that a plurality of different types of Positioning devices may also be simultaneously disposed inside the welder body, for example, a Global Positioning System (GPS) device and a beidou device are simultaneously disposed inside the welder body, and the problem of Positioning error when a Positioning device is inaccurate can be solved by simultaneously disposing a plurality of Positioning devices.
As an alternative implementation manner, the electrothermal welding machine 10 provided in the embodiment of the present application further includes a transformer 107 disposed inside the welding machine main body 100, the transformer 107 is electrically connected to the controller 101, and the other end of the transformer 107 is connected to the power interface 103. The transformer 107 is composed of an iron core (or a magnetic core) and a coil, and the coil has two or more windings, wherein the winding connected to the power interface 103 is a primary winding, and the remaining windings are secondary windings. The transformer 107 functions to convert the voltage output from the external power source into the operating voltage of the controller 101. Conventional power interfaces are typically connected to a 220V voltage. The transformer 107 can convert the voltage of the external power source 220V into the operating voltage (i.e., 3.3V) of the controller 101.
In the embodiment of the present application, a transformer 107 is connected between the power interface 103 and the controller 101, so that the voltage output by the external power source connected to the power interface 103 can be converted into the operating voltage of the controller 101, and a stable operation of the controller 101 is ensured.
Optionally, in this embodiment of the application, the adjusting module 102 includes a voltage adjusting module, and the controller is electrically connected to the voltage adjusting module. The voltage regulation module is configured to receive a control signal sent by the controller 101, and further regulate an output voltage. The controller 101 prestores welding parameters of various polyethylene sleeves, so that different control signals can be sent to the voltage adjusting module according to different polyethylene sleeves, and the voltage adjusting module can adjust corresponding voltages.
Optionally, in this embodiment of the application, the adjusting module 102 further includes a current adjusting module. The current regulation module is electrically connected to the controller 101. The current adjusting module is configured to receive a control signal sent by the controller 101 to adjust the output current. The controller 101 stores welding parameters of various polyethylene sleeves in advance, and it can be understood that the welding parameters such as heating temperature, voltage, current, welding time and the like are different when different polyethylene sleeves are welded. The controller 101 prestores welding parameters of various polyethylene sleeves, so that different control signals can be sent to the current adjusting module according to different polyethylene sleeves, and the current adjusting module can adjust corresponding currents.
As an embodiment, the current regulation module comprises an IGBT (Insulated Gate Bipolar Transistor). The IGBT is a composite full-control voltage-driven power semiconductor device consisting of a BJT (bipolar junction transistor) and an MOS (insulated gate field effect transistor), and the IGBT is low in driving power and low in saturation voltage. The IGBT can be used for converting alternating current into direct current with constant voltage, and further controlling output current. Due to the characteristics of the IGBT element, the voltage can be adjusted by using the IGBT.
In other embodiments, the current regulation module may include, but is not limited to, a4988 driver chip for regulating the current.
It should be noted that the embodiments of the present application also relate to the adjustment of the temperature, and the adjustment of the temperature may be based on the output current and the time of passing the current. Reference may be made to the formula: q ═ I2RT, where Q represents the amount of heat generated by the current (corresponding to temperature), I represents the magnitude of the current, R represents the resistance in the circuit, and T represents the time for passing the current. The temperature can be adjusted by adjusting the output current and the time of passing the current.
In other embodiments, the temperature adjustment may also be based on the voltage output, and the time of the voltage passed, with reference to the formula:Where Q represents the amount of heat generated by the voltage (corresponding to temperature), U represents the magnitude of the voltage, R represents the resistance in the circuit, and T represents the time for passing current. By regulating the outputThe voltage, and the time for passing the voltage, can regulate the temperature.
Optionally, the electrothermal welding machine 10 provided by the embodiment of the present application further includes a pressure sensor 108. The pressure sensor 108 is electrically connected to the controller 101. The pressure sensor 108 is disposed between the polyethylene sleeve 300 and the banding tool for detecting the pressure between the polyethylene sleeve 300 and the end of the pipe (i.e., the pressure at which the polyethylene sleeve 300 is banded). The pressure sensor 108 may also be electrically connected to the controller via a sensor interface 1091, although a plurality of sensor interfaces 1091 may also be provided on the welder body 100. The present application is not limited thereto.
As an alternative implementation, the electric hot-melt welding machine 10 provided in the embodiment of the present application is further provided with a communication module 110 inside the welding machine body. The communication module 110 is electrically connected to the controller 101. The communication module 110 may perform wired communication with a terminal or perform wireless communication with the terminal. When performing wired communication with a terminal, the communication module 110 is a PHY chip, such as an AR8033 chip. When performing wireless communication with a terminal, the communication module 110 may be a WiFi module, a ZigBee module, a 3G module, a 4G module, a 5G module, or other wireless transmission module satisfying conditions. In this embodiment, optionally, the communication module may be a 3G module, for example, a 3G module of a model number of SIM6320C, CEM631, CEM600, FWP103, K3G, WM9881, and the like. The terminal includes, but is not limited to, a mobile phone, a computer, and the like. The communication module 110 may be directly connected to the server, or may be connected to the cloud server.
In this application embodiment, can in time upload the data when welding through communication module 110, for example with temperature, voltage when welding, timely transmission to high in the clouds or peripheral terminal of data such as welding position's location, can also in time upload the locating information of welding point simultaneously, make things convenient for remote control and the data of later stage to trace back.
Referring to fig. 3, as an alternative implementation manner, the electric hot-melt welding machine 10 provided in the embodiment of the present application further includes a control panel 400 and a display screen 500, and both the control panel 400 and the display screen 500 are electrically connected to the controller 101. The control panel 400 and the display screen 500 are both embedded on the surface of the main body of the welding machine, and the display screen 500 is used for displaying relevant data during welding, for example, the controller 101 can send welding parameters of the polyethylene sleeves scanned by the scanner 200 to the display screen 500 for displaying, and for example, the controller 101 can send voltage and current during welding to the display screen 500 for displaying. The control panel 400 provided by the embodiment of the present application includes an azimuth key, a print key, and a reset key. The direction key can be convenient for constructors to select data. The print key is used for printing data during the welding. The reset key may be used to initialize components in the circuit. It is understood that, the constructor can also set the welding parameters through the control panel 400 and the display screen 500, for example, when the bar code on the polyethylene sleeve is damaged or falls off, the constructor can set the corresponding parameters through the control panel 400 according to experience, and manually set the welding time, the welding temperature and the welding voltage, so as to weld the end of the pipeline. It should be noted that, when the manual adjustment is needed in a special situation, the manual mode needs to be unlocked by a background manager first.
Of course, the display screen 500 may be a touch screen, and the constructor may directly adjust the display screen.
In the embodiment of the application, the display screen 500 can visually display welding parameters during welding, when special conditions are met and manual adjustment is needed, a background manager unlocks a manual mode, and then a worker can directly set the welding parameters through the control panel 400, so that the operability of the electric hot-melting welding machine is improved.
As an optional implementation manner, the electrothermal welding machine provided in this embodiment of the present application further includes a prompting module 111, where the prompting module 111 is electrically connected to the controller, and the prompting module 111 is used for prompting an operating state of the electrothermal welding machine. The prompting module 111 may be separately disposed, or may be disposed on the welder body 100, which is not limited in this application.
Specifically, the prompt module 111 includes a heating indicator light and a welding completion indicator light, and both the heating indicator light and the welding completion indicator light are electrically connected to the controller. For the purpose of distinguishing, the heating indicator light and the welding completion indicator light can be set to different colors, for example, when the heating indicator light is turned on, red light is emitted, and when the welding completion indicator light is turned on, green light is emitted. Of course, the heating indicator light and the welding completion indicator light may be set to the same color, for example, the heating indicator light and the welding completion indicator light are both red, and for example, the heating indicator light and the welding completion indicator light are both orange. The present application is not limited thereto. The heating indicator light and the welding completion indicator light mainly play a role in reminding. In the actual design process, the heating indicator light and the welding completion indicator light may be disposed at any position on the welder body 100, and the present application is not limited thereto.
in this application embodiment, accomplish the pilot lamp through setting up heating pilot lamp and welding and play the effect of reminding to constructor, avoided constructor to touch the mistake of circuit when the welding is incomplete, influence welding quality.
It can be understood that heating pilot lamp and welding completion pilot lamp can be same pilot lamp, indicate heating and welding completion respectively through different light colour, for example, indicate the heating through red light, indicate the welding completion through green light.
In other embodiments, the prompting module 111 may also be a speaker. The present application is not limited thereto.
As an optional implementation manner, the electrothermal welding machine provided in this embodiment of the present application further includes a USB interface 600, and the USB interface 600 is electrically connected to the controller 101. By adopting the USB interface 600, data can be directly and quickly downloaded, so that the data can be conveniently traced.
Referring to fig. 5, based on the same inventive concept, an embodiment of the present application further provides a process flow of an electric hot-melt welding machine in practical use, where the electric hot-melt welding machine in the above embodiment completes the whole welding process, including: steps S101-S103.
Step S101: and arranging a polyethylene sleeve at the joint of the tail end of the first pipeline and the tail end of the second pipeline.
First, a polyethylene cuff is placed at the junction of the conduit end of a first conduit and the conduit end of a second conduit. It should be noted that the polyethylene sleeve is provided with an opening to facilitate the sleeving. Before the power-up step of step S102 is performed, the polyethylene sleeve needs to be electrically connected to the welder body. The polyethylene oversleeve can be arranged in front of the joint of the tail end of the pipeline of the first pipeline and the tail end of the pipeline of the second pipeline, the polyethylene oversleeve is electrically connected with a welding machine main body of an electric hot-melting welding machine, namely, two connector lugs of the polyethylene oversleeve are respectively connected with a first output interface and a second output interface on the welding machine main body of the electric hot-melting welding machine through welding connecting wires, or the polyethylene oversleeve can be arranged in front of the joint of the tail end of the pipeline of the first pipeline and the tail end of the pipeline of the second pipeline, the polyethylene oversleeve is connected with the welding machine main body of the electric hot-melting welding machine, namely, the two connector lugs of the polyethylene oversleeve are respectively connected with a first output interface and a second output interface on the welding machine main body of the. The present application is not limited thereto.
It should be noted that before the polyethylene cuff is disposed at the joint of the pipe end of the first pipe and the pipe end of the second pipe, the following steps are further performed:
firstly, the first pipeline and the first pipeline are installed and detected, and different polyethylene sleeves are selected according to different pipelines. After the corresponding polyethylene sleeves are selected, the pipeline is cleaned and polished in order to ensure correct welding. After polishing, a support frame of the pipeline is installed, so that the welding area of the pipeline reaches a certain height.
When actually installing the polyethylene sleeves, a binding tool needs to be placed in the middle of the polyethylene sleeves, the pressure sensor is placed between the binding tool and the polyethylene sleeves, then the binding tool is tensioned, and the plastic hammer is used for knocking at different positions to completely detect the contact condition of the polyethylene sleeves and the tail ends of the pipelines.
The binding tool may be a binding band or a binding rope, and the application is not limited thereto.
Step S102: and electrifying the electric hot-melting welding machine, and scanning the bar codes on the polyethylene sleeves by adopting a scanner.
After the sleeving is completed, the electric hot-melting welding machine is powered on, namely the electric hot-melting welding machine is connected with an external power supply through a power interface on the surface of the welding machine main body. After power up, the bar code of the polyethylene sleeve is scanned by a scanner.
Step S103: and after the scanning is finished, the electric hot-melting welding machine starts to weld.
And after the scanning is finished, the electric hot-melting welding machine carries out welding according to the welding parameters corresponding to the polyethylene sleeves. It should be noted that the controller stores various welding parameters of the polyethylene sleeves in advance, and it can be understood that the heating temperature, the voltage, the current and the welding time are different when different polyethylene sleeves are welded. Therefore, the controller stores various welding parameters of the polyethylene sleeves in advance, so that different control signals can be sent to the voltage regulating module and the current regulating module according to different pipelines, the voltage regulating module can regulate corresponding voltage, the current regulating module can regulate corresponding current, and the current regulating module can regulate corresponding temperature.
Referring to fig. 6, based on the same inventive concept, an embodiment of the present application further provides an electrothermal welding method applied to a controller of the electrothermal welding machine in the above embodiment, where the method includes: steps S201-S203.
Step S201: and receiving the bar code information on the target polyethylene sleeve acquired by the scanner.
After the scanner scans the bar code on the target polyethylene sleeve, the obtained bar code information of the target polyethylene sleeve is sent to the controller, and the controller receives the bar code information of the target polyethylene sleeve obtained by the scanner.
Step S202: and matching the bar code information on the target polyethylene sleeve with the prestored polyethylene sleeve.
the controller is pre-stored with welding parameters of various polyethylene sleeves, and the bar code information is matched with the pre-stored polyethylene sleeves to obtain the welding parameters of the scanned target polyethylene sleeves.
Step S203: and sending the welding parameters of the target polyethylene sleeve corresponding to the matching result to an adjusting module.
And finally, sending the welding parameters of the target polyethylene sleeve matched with the bar code information to the adjusting module so that the adjusting module adjusts the corresponding voltage and current.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
In addition, units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
furthermore, the functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
the above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An electrothermal fusion welder, comprising: the welding machine comprises a welding machine main body, a scanner and a welding connecting line;
A controller and an adjusting module are arranged in the welding machine main body; the controller is electrically connected with the adjusting module; the welder body is also provided with an output interface and a power interface for connecting a power supply; the output interface is connected with the adjusting module, and the power supply interface is connected with the controller;
The welding connecting line is connected with the output interface; the welding connecting line is used for connecting the polyethylene sleeves;
The scanner is electrically connected with the controller and is arranged outside the welder body; the scanner is used for scanning bar codes on the polyethylene sleeves to be welded; the polyethylene sleeve comprises a connector lug and a heating wire, the connector lug is connected with the heating wire, and the polyethylene sleeve is connected with the welding connecting wire through the connector lug.
2. The electrothermal fusion welder of claim 1, wherein a positioning device is further disposed within the welder body, the positioning device being electrically connected to the controller.
3. The electrothermal melt welder of claim 1, further comprising a temperature sensor and/or a pressure sensor, the temperature sensor being electrically connected to the controller, a probe of the temperature sensor being placed on the heating wire; the pressure sensor is electrically connected with the controller and is placed between the polyethylene sleeve and the binding tool.
4. The electrothermal fusion welder of claim 1, wherein the regulation module comprises a current regulation module electrically connected to the controller.
5. The electrothermal fusion welder of claim 1, wherein a communication module is further disposed within the welder body, the communication module being electrically connected to the controller.
6. The electrothermal welding machine of claim 1, wherein a transformer is further disposed inside the welding machine body, and the transformer is connected to the controller and the power interface, respectively.
7. The electrothermal fusion welder of claim 1, wherein the scanner is a laser scanner.
8. An electrothermal welding method applied to an electrothermal welding machine according to any one of claims 1 to 7, the method comprising:
arranging a polyethylene sleeve at the joint of the tail end of the first pipeline and the tail end of the second pipeline;
Electrifying the electric hot-melting welding machine, and scanning the bar codes on the polyethylene sleeves by adopting the scanner;
And after the scanning is finished, the electric hot-melting welding machine starts to weld.
9. The method of claim 8 wherein prior to said disposing said polyethylene cuff at the junction of the pipe end of the first pipe and the pipe end of the second pipe, said method further comprises:
Performing installation detection on the first pipeline and the second pipeline;
cleaning and polishing the first pipeline and the second pipeline;
and a binding tool is placed in the polyethylene sleeve, is tensioned and is beaten by a plastic hammer.
10. An electrothermal welding method applied to a controller in the electrothermal welding machine according to any one of claims 1 to 7, the method comprising:
Receiving bar code information on a target polyethylene sleeve acquired by the scanner;
Matching the bar code information on the target polyethylene sleeve with the prestored polyethylene sleeve;
and sending the welding parameters of the target polyethylene sleeve corresponding to the matching result to an adjusting module.
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