Electrical control cabinet for welding fume treatment system

Abstract

The present invention provides an electrical control cabinet of a welding smoke treatment system, including an electrical cabinet and three-phase alternating current. The electrical cabinet is provided with a main control circuit, a PLC control system configuration circuit, a PLC control system, a panel circuit, a control circuit, and a terminal connection circuit. The main control circuit is connected with a metering circuit, a power supply circuit, and a voltage conversion circuit; the PLC control system configuration circuit includes a meter communication circuit, a network communication circuit, a digital quantity input / output circuit, a digital quantity input circuit, and a temperature detection input circuit; the PLC control system includes a CPU, a welding smoke treatment system manual control circuit, a welding smoke treatment system automatic control circuit, and a temperature detection circuit, and the panel circuit is connected to the PLC control system. The present invention can centrally manage the welding smoke treatment system and realize intelligent management.

Description

Technical Field

[0001] The invention relates to the technical field of environmental protection equipment, and in particular to an electrical control cabinet of a welding smoke treatment system. Background Art

[0002] Welding operations in welding workshops will generate a large amount of welding smoke. If a person inhales welding smoke in large quantities or for a long time, it will seriously affect their health. Welding smoke inhaled into the lungs can easily lead to lung diseases. At the same time, it will irritate the workers' eyes and affect their vision. Working in a workshop full of welding smoke for a long time will cause great harm to the workers' body and mind. When the welding smoke concentration in the welding workshop is too high, it will affect the visibility of the workshop and easily cause safety accidents. In order to remove dust from the welding workshop and protect the physical and mental health of the workers, welding workshops currently use some simple exhaust fans, which are not very convenient to control and manage, and require a centralized control and management device. Summary of the invention

[0003] In view of the defects existing in the prior art, the purpose of the present invention is to provide an electrical control cabinet for a welding smoke treatment system, which can centrally manage the welding smoke treatment system and realize intelligent management.

[0004] In order to achieve the above object, the specific technical solution adopted by the present invention is as follows:

[0005] An electrical control cabinet for a welding smoke treatment system, comprising an electrical cabinet and three-phase alternating current for supplying power to the electrical cabinet, the electrical cabinet being provided with a main control circuit, a PLC control system configuration circuit, a PLC control system, a panel circuit, a control circuit, and a terminal connection circuit, the input end of the main control circuit being connected to the three-phase alternating current, the output end being connected to a metering circuit, a power supply circuit for supplying power to a welding smoke treatment system, and a voltage conversion circuit, the voltage conversion circuit supplying power to the PLC control system configuration circuit, the PLC control system, the panel circuit, the control circuit, and the terminal connection circuit; the PLC control system configuration circuit being connected to the PLC control system, comprising a meter communication circuit, a network communication circuit, a digital quantity input / output circuit, a digital quantity input circuit, and a temperature detection output circuit. input circuit; the PLC control system includes a CPU, a manual control circuit of a welding smoke treatment system, an automatic control circuit of a welding smoke treatment system, and a temperature detection circuit, and the CPU is respectively connected to the manual control circuit of the welding smoke treatment system, the automatic control circuit of the welding smoke treatment system, and the temperature detection circuit; the panel loop is connected to the PLC control system to display the operating status of the welding smoke treatment system; the input end of the control loop is connected to the manual control circuit of the welding smoke treatment system and the automatic control circuit of the welding smoke treatment system, and the output end is connected to the welding smoke treatment system; the terminal connection loop aggregates the terminals of the main control loop, the PLC control system configuration circuit, the PLC control system, the panel loop, the control loop, and the terminal connection loop and connects them one by one to the welding smoke treatment system.

[0006] Preferably, the three-phase AC power is 380V, and the voltage conversion circuit includes an AC-to-DC circuit and an AC step-down circuit. The AC-to-DC circuit converts 380V into 24V DC power, and the AC step-down circuit converts 380V AC power into 220V AC power; the AC-to-DC circuit includes an external current input circuit, a step-down circuit, a current control circuit, a voltage control circuit, a temperature control circuit, a time control circuit, a controller and a battery unit. The current control circuit and the voltage control circuit obtain current data and voltage data at the output end of the step-down circuit and feed them back to the controller. The step-down circuit outputs DC power to the battery unit. The temperature control circuit obtains the temperature of the battery unit and feeds it back to the controller. The time control circuit is connected to the controller.

[0007] Preferably, the metering circuit includes a three-phase four-wire active energy meter, a fuse and a metering fault indicator light, the fuse and the metering fault indicator light are both connected to the three-phase four-wire active energy meter, the L1, L2, and L3 pins of the three-phase four-wire active energy meter are respectively connected to the three-phase ammeter of the three-phase alternating current, the UO pin of the three-phase four-wire active energy meter is grounded, the UA, UB, and UC pins are respectively connected to one end of the fuse and the metering fault indicator light, the other end of the fuse is respectively connected to the phase line of the three-phase alternating current, and the other end of the metering fault indicator light is grounded.

[0008] Preferably, the temperature detection circuit is a detection circuit composed of a thermal resistor.

[0009] Preferably, the panel circuit includes a local operation indicator light, a remote operation indicator light, a stop operation indicator light, a local fault indicator light, and a remote fault indicator light.

[0010] Preferably, the welding smoke treatment system includes a plurality of fan purification devices and a water pump, the water pump is connected to a water supply pipe corresponding one to one with the fan purification device, a water washing valve is provided on the water supply pipe, and the water washing valve is connected to the PLC control system.

[0011] Preferably, the control circuit also includes an electrostatic starting control circuit, a water washing valve control circuit, and a standby control circuit of the welding smoke treatment system.

[0012] Preferably, the electrical cabinet is made of metal and has a base underneath.

[0013] Preferably, a cloud controller is also provided, and the cloud controller is data-connected with a plurality of electrical cabinets. The electrical cabinets upload the received data to the cloud controller in a scheduled or real-time manner. The cloud controller transmits control instructions to the electrical cabinets, and the electrical cabinets control the relevant working parameters of the welding smoke treatment system according to the received control instructions. The cloud controller is provided with a simulation system of the welding smoke treatment system, and firstly, the application scenario of the welding smoke treatment system and the relevant parameters of the application scenario are input, and the relevant parameters of the application scenario include but are not limited to the physical size of the application scenario, the arrangement of welding points, the ventilation method of the welding smoke treatment system, and the cause of welding smoke generation; secondly, the working parameters of the welding smoke treatment system and the relevant parameters of welding smoke are input. Parameters. The working parameters of the welding smoke treatment system include but are not limited to the working time, working intensity and wind speed of the welding smoke treatment system. The relevant parameters of welding smoke include but are not limited to the diffusion data and diffusion law of welding smoke. The working parameters of the welding smoke treatment system and the relevant parameters of welding smoke are compared with each other to obtain the ventilation effect of the welding smoke treatment system. The results are repeated and compared under different working conditions to finally obtain the optimal solution for the welding smoke treatment system. The cloud controller saves the solution of the welding smoke treatment system and determines whether there is a matching solution when accessing a new application scenario. If so, relevant control commands are transmitted to the electrical cabinet according to the matching solution to control the working time and working intensity of the welding smoke treatment system.

[0014] The beneficial effect of the present invention is that the welding smoke treatment system can be centrally managed to achieve intelligent management. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a front structural schematic diagram of the electrical cabinet of the present invention;

[0017] Figure 2 It is a schematic diagram of the back structure of the electrical cabinet of the present invention;

[0018] Figure 3 yes Figure 1 A partial enlarged view of

[0019] Figure 4 yes Figure 1 Another partial enlarged view of;

[0020] Figure 5 It is one of the electrical schematics of the main control circuit;

[0021] Figure 6This is the second electrical schematic diagram of the main control circuit;

[0022] Figure 7 This is the third electrical schematic diagram of the main control circuit

[0023] Figure 8 It is the electrical schematic diagram of the PLC control system configuration circuit;

[0024] Fig. 9 It is one of the electrical schematics of the PLC control system;

[0025] Fig.10 This is the second electrical schematic diagram of the PLC control system;

[0026] Fig.11 This is the third electrical schematic diagram of the PLC control system;

[0027] Fig.12 This is the fourth electrical schematic diagram of the PLC control system;

[0028] Fig.13 This is the fifth electrical schematic diagram of the PLC control system

[0029] Fig.14 This is the sixth electrical schematic diagram of the PLC control system;

[0030] Fig.15 It is one of the electrical schematics of the panel circuit;

[0031] Fig.16 This is the second electrical schematic diagram of the panel circuit;

[0032] Fig.17 This is the third electrical schematic diagram of the panel circuit;

[0033] Fig.18 This is the fourth electrical schematic diagram of the panel circuit;

[0034] Fig.19 It is one of the electrical schematics of the control circuit;

[0035] Fig. 20 This is the second electrical schematic diagram of the control circuit;

[0036] Fig.21 This is the third electrical schematic diagram of the control circuit;

[0037] Fig. 22 This is the fourth electrical schematic diagram of the control circuit;

[0038] Fig.23 It is one of the electrical schematics of the terminal connection circuit;

[0039] Fig.24 This is the second electrical schematic diagram of the terminal connection circuit;

[0040] Fig.25 This is the third electrical schematic diagram of the terminal connection circuit;

[0041] Fig.26 This is one of the terminal connection diagrams of the split box;

[0042] Fig. 27 This is the second diagram of the terminal connection of the split box;

[0043] Fig.28 It is a principle block diagram of an electrical control cabinet of a welding smoke treatment system of the present invention. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by ordinary technicians in this field without creative work are all within the scope of protection of the present invention.

[0045] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0046] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] like Figure 1-Figure 27As shown, the present invention proposes an electrical control cabinet for a welding smoke treatment system, including an electrical cabinet and three-phase alternating current for supplying power to the electrical cabinet. The electrical cabinet is provided with a main control circuit, a PLC control system configuration circuit, a PLC control system, a panel circuit, a control circuit, and a terminal connection circuit. The input end of the main control circuit is connected to the three-phase alternating current, and the output end is connected to a metering circuit, a power supply circuit for supplying power to the welding smoke treatment system, and a voltage conversion circuit. The voltage conversion circuit supplies power to the PLC control system configuration circuit, the PLC control system, the panel circuit, the control circuit, and the terminal connection circuit; the PLC control system configuration circuit is connected to the PLC control system, including a meter communication circuit, a network communication circuit, a digital quantity input / output circuit, a digital quantity input circuit, and a digital quantity input circuit. The PLC control system includes a CPU, a manual control circuit of a welding smoke treatment system, an automatic control circuit of a welding smoke treatment system, and a temperature detection circuit. The CPU is respectively connected to the manual control circuit of the welding smoke treatment system, the automatic control circuit of the welding smoke treatment system, and the temperature detection circuit; the panel loop is connected to the PLC control system to display the operating status of the welding smoke treatment system; the input end of the control loop is connected to the manual control circuit of the welding smoke treatment system and the automatic control circuit of the welding smoke treatment system, and the output end is connected to the welding smoke treatment system; the terminal connection loop aggregates the terminals of the main control loop, the PLC control system configuration circuit, the PLC control system, the panel loop, the control loop, and the terminal connection loop, and connects them one by one to the welding smoke treatment system.

[0048] Preferably, the three-phase AC power is 380V, and the voltage conversion circuit includes an AC-to-DC circuit and an AC step-down circuit. The AC-to-DC circuit converts 380V into 24V DC power, and the AC step-down circuit converts 380V AC power into 220V AC power; the AC-to-DC circuit includes an external current input circuit, a step-down circuit, a current control circuit, a voltage control circuit, a temperature control circuit, a time control circuit, a controller and a battery unit. The current control circuit and the voltage control circuit obtain current data and voltage data at the output end of the step-down circuit and feed them back to the controller. The step-down circuit outputs DC power to the battery unit. The temperature control circuit obtains the temperature of the battery unit and feeds it back to the controller. The time control circuit is connected to the controller. The metering circuit includes a three-phase four-wire active energy meter, a fuse and a metering fault indicator light. The fuse and the metering fault indicator light are connected to the three-phase four-wire active energy meter. The L1, L2 and L3 pins of the three-phase four-wire active energy meter are respectively connected to the three-phase ammeter of the three-phase alternating current. The UO pin of the three-phase four-wire active energy meter is grounded. The UA, UB and UC pins are respectively connected to one end of the fuse and the metering fault indicator light. The other end of the fuse is respectively connected to the phase line of the three-phase alternating current. The other end of the metering fault indicator light is grounded. The temperature detection circuit is a detection circuit composed of a thermal resistor. The panel circuit includes a local operation indicator light, a remote operation indicator light, a stop operation indicator light, a local fault indicator light and a remote fault indicator light. The welding smoke treatment system includes several fan purification equipment and a water pump. The water pump is connected to a water supply pipeline corresponding to the fan purification equipment. The water supply pipeline is provided with a water washing valve, and the water washing valve is connected to the PLC control system. The control circuit also includes an electrostatic start control circuit, a water washing valve control circuit and a standby control circuit of the welding smoke treatment system. The electrical cabinet is made of metal and has a base underneath.

[0049] The electrical cabinet is connected to the split box, and the split box is connected to the welding fume treatment system.

[0050] In the specific implementation process, a cloud controller can also be set up, and the cloud controller is connected to multiple electrical cabinets for data. The electrical cabinets upload the received data to the cloud controller regularly or in real time. The cloud controller transmits control instructions to the electrical cabinets, and the electrical cabinets control the relevant working parameters of the welding smoke treatment system according to the received control instructions. The cloud controller is equipped with a simulation system of the welding smoke treatment system. First, the application scenario of the welding smoke treatment system and the relevant parameters of the application scenario are input. The relevant parameters of the application scenario include but are not limited to the physical size of the application scenario, the layout of welding points, the ventilation method of the welding smoke treatment system, and the cause of welding smoke. Secondly, input the working parameters of the welding smoke treatment system and related parameters of welding smoke. The working parameters of the welding smoke treatment system include but are not limited to the working time, working intensity and wind speed of the welding smoke treatment system. The related parameters of welding smoke include but are not limited to the diffusion data and diffusion law of welding smoke. The working parameters of the welding smoke treatment system and the related parameters of welding smoke are compared with each other to obtain the ventilation effect of the welding smoke treatment system. Repeat and compare under different working conditions to finally obtain the optimal solution of the welding smoke treatment system. The cloud controller saves the solution of the welding smoke treatment system and determines whether there is a matching solution when accessing a new application scenario. If so, transmits relevant control commands to the electrical cabinet according to the matching solution to control the working time and working intensity of the welding smoke treatment system.

[0051] The cloud controller can also be used to select a configuration model according to the electrical diagram of the electrical cabinet and the location of the actual equipment of the welding smoke treatment system, write a control program to complete the workflow of the control system, and display the process flow and working status of the welding smoke treatment system and the electrical cabinet on the cloud control main interface. The cloud control main interface includes but is not limited to process management, normal start of welding smoke treatment process, normal exit of welding smoke treatment process, and exit of welding smoke treatment process after troubleshooting. After clicking process management, the cloud control main interface pops up a process selection page. After selecting the process and checking it, you can start the electrical cabinet by clicking the normal start of welding smoke treatment process, and the electrical cabinet sends a control command to the welding smoke treatment system. After the welding smoke treatment process is completed in stages, you can send a stop command to the electrical cabinet by clicking the normal exit of welding smoke treatment process, and the electrical cabinet controls the welding smoke treatment system to stop working. If an actual device in the welding smoke treatment system fails, click process management, select the backup welding smoke treatment process, and click the fault removal to exit the welding smoke treatment process after troubleshooting.

[0052] The beneficial effect of the present invention is that the welding smoke treatment system can be centrally managed to achieve intelligent management.

[0053] With the above-mentioned ideal embodiments of the present invention as inspiration, through the above-mentioned description, those skilled in the art can make various changes and modifications without departing from the technical concept of the present invention. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An electrical control cabinet for a welding fume treatment system, comprising an electrical cabinet and a three-phase alternating current for supplying power to the electrical cabinet, characterized in that: The electrical cabinet is provided with a main control circuit, a PLC control system configuration circuit, a PLC control system, a panel circuit, a control circuit, and a terminal connection circuit. The input end of the main control circuit is connected to a three-phase alternating current, and the output end is connected to a metering circuit, a power supply circuit for supplying power to a welding smoke treatment system, and a voltage conversion circuit. The voltage conversion circuit supplies power to the PLC control system configuration circuit, the PLC control system, the panel circuit, the control circuit, and the terminal connection circuit; the PLC control system configuration circuit is connected to the PLC control system, and includes a meter communication circuit, a network communication circuit, a digital quantity input / output circuit, and a temperature detection input circuit; the PLC control system includes a CPU, a welding smoke treatment system, and a power supply circuit. The manual control circuit of the welding smoke treatment system, the automatic control circuit of the welding smoke treatment system, and the temperature detection circuit are connected to the CPU respectively; the panel loop is connected to the PLC control system to display the operating status of the welding smoke treatment system; the input end of the control loop is connected to the manual control circuit of the welding smoke treatment system and the automatic control circuit of the welding smoke treatment system, and the output end is connected to the welding smoke treatment system; the terminal connection loop aggregates the terminals of the main control loop, the PLC control system configuration circuit, the PLC control system, the panel loop, the control loop, and the terminal connection loop and connects them one by one to the welding smoke treatment system; The welding smoke treatment system includes a plurality of fan purification devices and a water pump, wherein the water pump is connected to a water supply pipeline corresponding to the fan purification device one by one, and a water washing valve is provided on the water supply pipeline, and the water washing valve is connected to the PLC control system; The control circuit also includes an electrostatic start control circuit, a water wash valve control circuit, and a standby control circuit of the welding smoke treatment system; A cloud controller is also provided, and the cloud controller is connected to multiple electrical cabinets for data. The electrical cabinets upload the received data to the cloud controller in a scheduled or real-time manner. The cloud controller transmits control instructions to the electrical cabinets, and the electrical cabinets control the relevant working parameters of the welding smoke treatment system according to the received control instructions. The cloud controller is equipped with a simulation system for the welding smoke treatment system. First, the application scenario of the welding smoke treatment system and the relevant parameters of the application scenario are input. The relevant parameters of the application scenario include the physical size of the application scenario, the arrangement of welding points, the ventilation method of the welding smoke treatment system, and the cause of welding smoke. Secondly, the working parameters of the welding smoke treatment system and the relevant parameters of welding smoke are input. The working parameters of the welding smoke treatment system include the working time, working intensity and wind speed parameters of the welding smoke treatment system. The relevant parameters of welding smoke include the diffusion data and diffusion law of welding smoke. The working parameters of the welding smoke treatment system and the relevant parameters of welding smoke are compared with each other to obtain the ventilation effect of the welding smoke treatment system. The results are repeated and compared under different working conditions to finally obtain the optimal solution for the welding smoke treatment system. The cloud controller saves the plan of the welding smoke treatment system. When accessing a new application scenario, it determines whether there is a matching plan. If so, it transmits relevant control commands to the electrical cabinet according to the matching plan to control the working time and working intensity of the welding smoke treatment system.

2. The electrical control cabinet of the welding smoke treatment system according to claim 1, characterized in that: The three-phase AC power is 380V, and the voltage conversion circuit includes an AC-to-DC circuit and an AC step-down circuit. The AC-to-DC circuit converts 380V into 24V DC power, and the AC step-down circuit converts 380V AC power into 220V AC power. The AC-to-DC circuit includes an external current input circuit, a step-down circuit, a current control circuit, a voltage control circuit, a temperature control circuit, a time control circuit, a controller and a battery unit. The current control circuit and the voltage control circuit obtain current data and voltage data at the output end of the step-down circuit and feed them back to the controller. The step-down circuit outputs DC power to the battery unit. The temperature control circuit obtains the temperature of the battery unit and feeds it back to the controller. The time control circuit is connected to the controller.

3. The electrical control cabinet of the welding smoke treatment system according to claim 1, characterized in that: The metering circuit includes a three-phase four-wire active energy meter, a fuse and a metering fault indicator light. The fuse and the metering fault indicator light are both connected to the three-phase four-wire active energy meter. The L1, L2, and L3 pins of the three-phase four-wire active energy meter are respectively connected to a three-phase ammeter of three-phase alternating current. The UO pin of the three-phase four-wire active energy meter is grounded. The UA, UB, and UC pins are respectively connected to one end of the fuse and the metering fault indicator light. The other end of the fuse is respectively connected to the phase line of the three-phase alternating current. The other end of the metering fault indicator light is grounded.

4. The electrical control cabinet of the welding smoke treatment system according to claim 1, characterized in that: The temperature detection circuit is a detection circuit composed of a thermal resistor.

5. The electrical control cabinet of the welding smoke treatment system according to claim 1, characterized in that: The panel circuit includes a local operation indicator light, a remote operation indicator light, a stop operation indicator light, a local fault indicator light, and a remote fault indicator light.

6. The electrical control cabinet of the welding smoke treatment system according to claim 1, characterized in that: The electrical cabinet is made of metal and has a base underneath.

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