Intelligent power utilization safety management control cabinet

Abstract

The invention discloses an intelligent power utilization safety management control cabinet. The intelligent power utilization safety management control cabinet comprises a power supply module, a main controller module, a detection module, an execution module, a protection module and a load end, the main controller module is in communication connection with the detection module; the input end of the detection module is electrically connected with a load end; the input end of the execution module is electrically connected with the output end of the main controller module, and the output end of the execution module is electrically connected with a load end; the protection module is arranged between the execution module and the load end; the load end comprises a plurality of equipment connection ports, the plurality of equipment connection ports are connected in parallel to the output end of the power supply module, a detection module, an execution module and a protection module are connected between each equipment connection port and the power supply module, and the detection module, the execution module and the protection module are respectively connected to the main controller module. The main controller module outputs a control command to the execution module, and the execution module controls the output power and the on-off state of the corresponding equipment connection port.

Description

Technical Field

[0001] The present invention relates to the technical field of control cabinets, and in particular to a smart electricity safety management control cabinet. Background Art

[0002] A control cabinet is a device used to centrally control electrical equipment and automation systems, and is widely used in industries, commerce, and infrastructure. It monitors, operates, and protects external equipment through various internal electrical components and control modules to ensure safe, stable, and efficient operation of the equipment. The basic functions of a control cabinet generally include control functions, which control the operating status of external equipment, such as start, stop, and speed regulation, through devices such as programmable logic controllers (PLCs), relays, and contactors; monitoring functions, which monitor the operating status of equipment in real time through sensors, displays, and human-machine interfaces (HMIs), such as temperature, pressure, current, and other parameters, and can record, display, and alarm; protection functions, which protect equipment from electrical overload, short circuit, excessive current, and other faults through components such as circuit breakers, overload protectors, and fuses; and communication functions, which exchange data with the host computer or other control systems through communication modules to achieve remote monitoring and control.

[0003] However, the existing control cabinets are insufficient in independent control and independent protection functions for the connected devices, which results in that when a part of the system fails, it is easy to affect the normal operation of the entire system and multiple connected devices. Summary of the invention

[0004] Based on this, it is necessary to provide a smart electricity safety management control cabinet to address the technical problems of the existing control cabinets' insufficient independent control over connected devices and independent protection functions.

[0005] A smart electricity safety management and control cabinet, which includes a power module, a main controller module, a detection module, an execution module, a protection module and a load end, wherein the output end of the power module is electrically connected to the main controller module, the detection module, the execution module, the protection module and the load end to supply power to the control box as a whole; wherein the input end of the main controller module is communicatively connected to the output end of the detection module to receive the detection signal output by the detection module; the input end of the detection module is electrically connected to the load end to detect the access status and current value of the load end; the input end of the execution module is electrically connected to the output end of the main controller module, and the output end of the execution module is electrically connected to the load end to execute the control command output by the main controller module and control the on and off of the load end; the protection module is arranged between the execution module and the load end, and is fused in time when the system is over-voltage, overloaded, over-heated or short-circuited.

[0006] The load end includes a plurality of device connection ports, which are connected in parallel to the output end of the power module, wherein a detection module, an execution module and a protection module are connected between each device connection port and the power module, and the detection module, the execution module and the protection module are respectively connected to the main controller module, so that the detection module can detect the access status of the corresponding device connection port and the corresponding output current value in real time, and transmit the detection data to the main controller module for analysis and judgment, and then the main controller module outputs a control command to the execution module, and the execution module controls the output power and on-off status of the corresponding device connection port. In this process, when the system has overvoltage, overload, overtemperature, short circuit and other conditions, the protection module can be blown in time.

[0007] In one embodiment, the above-mentioned detection module includes a plurality of current detection units and a plurality of device connection signal output units, the plurality of current detection units correspond one-to-one to the plurality of device connection ports, and each current detection unit is arranged at the input end of the corresponding device connection port to perform real-time detection of the current value of the current output from the power module to the device connection port, and transmit the detection data to the main controller module; the plurality of device connection signal output units correspond one-to-one to the plurality of device connection ports, and the input end of each device connection signal output unit is electrically connected to the corresponding device connection port, and the output end of the device connection signal output unit is communicatively connected to the main controller unit, so that the device connection signal output unit can feed back the access status of the device connection port to the main controller module.

[0008] In one embodiment, the execution module includes a plurality of contactors, each of which corresponds to a plurality of device connection ports. Each contactor is disposed at an input end of a corresponding device connection port to control the on / off connection between the corresponding device connection port and the power module.

[0009] In one of the embodiments, each of the above-mentioned contactors is arranged between the corresponding current detection unit and the output end of the power module, so that when the corresponding contactor disconnects the connection between the device connection port and the power module under the control command output by the main controller module, the corresponding current detection unit can reflect the current change of the device connection port in real time.

[0010] In one embodiment, the above-mentioned protection module includes a plurality of fuse groups, and the plurality of fuse groups correspond to a plurality of device connection ports respectively, and each fuse group is arranged at the input end of the corresponding device connection port. When overvoltage, overload, overtemperature, short circuit, etc. occur at the corresponding device connection port, the fuse group blows to protect the system and the corresponding external device.

[0011] In one embodiment, each of the above-mentioned fuse groups is arranged between the corresponding contactor and the output end of the power module, so that when the circuit on one side of the power module has overvoltage, overload, overtemperature, short circuit, etc., the fuse group can respond and blow faster, thereby protecting the contactor on the side of the device connection port.

[0012] In one embodiment, the above-mentioned execution module also includes a plurality of intermediate relays, which correspond one to one with the plurality of contactors respectively, and the input ends of the plurality of intermediate relays are electrically connected to the output end of the power supply module and the output end of the main control module respectively; the output end of each intermediate relay is electrically connected to the corresponding contactor, so that the power supply module can output to the corresponding contactor through the plurality of intermediate relays, and then output to the corresponding device connection port; the main controller module can be connected to the corresponding contactor through the corresponding intermediate relay.

[0013] In one of the embodiments, the main controller module is configured as a PLC controller, and the signal input end of the PLC controller is respectively communicatively connected to the output ends of a number of current detection units and the output ends of a number of device signal output units; the output ends of the PLC controller are respectively electrically connected to a number of intermediate relays, thereby realizing the control connection of the PLC controller to a number of contactors.

[0014] In one embodiment, the above-mentioned PLC controller uses FX3U-32MT as a processing chip.

[0015] In one of the embodiments, the device connection ports are set to eleven from No. 1 to No. 11, and correspondingly, the contactors are set to KM1 to KM11 in sequence, and the intermediate relays are set to KA1 to KA11 in sequence.

[0016] In one embodiment, the signal input terminals of the FX3U-32MT are provided with X5, X6, X7, X10, X11, X12, X13, X14, X15, X16 and X17, and the signal input terminals are respectively communicatively connected with the current detection units and the device connection signal output units corresponding to the device connection ports No. 1 to No. 11.

[0017] In one embodiment, the output ends of the FX3U-32MT are set to Y4, Y5, Y6, Y7, Y10, Y11, Y12, Y13, Y14, Y15 and Y16, and the output ends are connected to the intermediate relays KA1 to KA11 in sequence, thereby realizing the safety management and control of the control box by FX3U-32MT.

[0018] In one of the embodiments, the power module is configured as a three-phase power supply, and the power module includes a PE line, which is protected by grounding. When the electrical equipment or line is flooded, the PLC controller is used to turn on the shielding and absorb the leakage current, and the current is diverted to the PE line to the ground, thereby achieving equal potential and reducing electric shock damage to the human body.

[0019] The above-mentioned smart electricity safety management control cabinet connects several device connection ports in parallel to the output end of the power module, wherein a detection module, an execution module and a protection module are connected between each device connection port and the power module, and the detection module, the execution module and the protection module are respectively connected to the main controller module, so that the detection module can detect the access status of the corresponding device connection port and the corresponding output current value in real time, and transmit the detection data to the main controller module for analysis and judgment, and then the main controller module outputs a control command to the execution module, and the execution module controls the output power and on-off status of the corresponding device connection port. In this process, when the system has overvoltage, overload, overtemperature, short circuit and other conditions, the protection module can be blown in time to protect the control cabinet and the equipment, thereby realizing that the smart electricity safety management control cabinet of the present invention can independently control and independently protect several device connection ports. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the main circuit wiring of a smart power safety management control cabinet in one embodiment; Figure 2 A schematic diagram of wiring of a main controller of a smart power safety management control cabinet in one embodiment; Figure 3 A schematic diagram of the wiring of a portion of the control circuit of a smart power safety management control cabinet in one embodiment; Figure 4 This is a schematic diagram of the wiring of part of the control circuit of a smart power safety management control cabinet in one embodiment. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like 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, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0027] The present invention discloses a smart power safety management control cabinet, which includes a power module 100, a main controller module 200, a detection module 300, an execution module 400, a protection module 500 and a load end 600. Figures 1 to 4 ,in, Figure 1 This is the main circuit wiring diagram of the smart power safety management control cabinet. Figure 2 The wiring diagram of the main controller is as follows: Figure 3 and Figure 4The figure is a schematic diagram of the control loop wiring. The output end of the power module 100 is electrically connected to the main controller module 200, the detection module 300, the execution module 400, the protection module 500 and the load end 600 to supply power to the control box as a whole. The input end of the main controller module 200 is communicatively connected to the output end of the detection module 300 to receive the detection signal output by the detection module 300. The input end of the detection module 300 is electrically connected to the load end 600 to detect the access status and current value of the load end 600. The input end of the execution module 400 is electrically connected to the output end of the main controller module 200, and the output end of the execution module 400 is electrically connected to the load end 600 to execute the control command output by the main controller module 200 and control the on and off of the load end 600. The protection module 500 is arranged between the execution module 400 and the load end 600. When the system is over-voltage, overloaded, over-temperatured or short-circuited, it will be fused in time to prevent leakage and fire in the equipment connection port 610 and the control cabinet, which may cause personal safety problems. Specifically, the load end 600 includes a plurality of device connection ports 610, and the plurality of device connection ports 610 are connected in parallel to the output end of the power module 100, wherein a detection module 300, an execution module 400 and a protection module 500 are connected between each device connection port 610 and the power module 100, and the detection module 300, the execution module 400 and the protection module 500 are respectively connected to the main controller module 200, so that the detection module 300 can detect the access status of the corresponding device connection port 610 and the corresponding output current value in real time, and transmit the detection data to the main controller module 200 for analysis and judgment, and then the main controller module 200 outputs a control command to the execution module 400, and the execution module 400 controls the output power and on / off status of the corresponding device connection port 610. In this process, when the system has overvoltage, overload, overtemperature, short circuit and other conditions, the protection module 500 can be blown in time to protect the control cabinet and the equipment.

[0028] Furthermore, the detection module 300 includes a plurality of current detection units 310 and a plurality of device connection signal output units 320, wherein the plurality of current detection units 310 correspond one-to-one to the plurality of device connection ports 610, and each current detection unit 310 is arranged at the input end of the corresponding device connection port 610 to detect the current value of the current output from the power module 100 to the device connection port 610 in real time, and transmit the detection data to the main controller module 200; the plurality of device connection signal output units 320 correspond one-to-one to the plurality of device connection ports 610, and the input end of each device connection signal output unit 320 is electrically connected to the corresponding device connection port 610, and the output end of the device connection signal output unit 320 is communicatively connected to the main controller unit, so that the device connection signal output unit 320 can feed back the access status of the device connection port 610 to the main controller module 200, so that the main controller module 200 can accurately judge whether the corresponding port is connected to the device connection port 610.

[0029] Further, the execution module 400 includes a plurality of contactors, each of which corresponds to a plurality of device connection ports 610, and each contactor is disposed at the input end of the corresponding device connection port 610 to control the on-off between the corresponding device connection port 610 and the power module 100. Specifically, each contactor is disposed between the corresponding current detection unit 310 and the output end of the power module 100, so that when the corresponding contactor disconnects the connection between the device connection port 610 and the power module 100 under the control command output by the main controller module 200, the corresponding current detection unit 310 can provide real-time feedback on the current change of the device connection port 610 at this time.

[0030] Furthermore, the protection module 500 includes a plurality of fuse groups 510, each of which corresponds to a plurality of device connection ports 610, and each fuse group 510 is arranged at the input end of the corresponding device connection port 610. When an overvoltage, overload, overtemperature, short circuit, etc. occurs at the corresponding device connection port 610, the fuse group 510 is blown to protect the system and the corresponding external device. Specifically, each fuse group 510 is arranged between the corresponding contactor and the output end of the power module 100, so that when an overvoltage, overload, overtemperature, short circuit, etc. occurs on the circuit on one side of the power module 100, the fuse group 510 can respond and blow faster, thereby protecting the contactor on one side of the device connection port 610.

[0031] Furthermore, the execution module 400 also includes a plurality of intermediate relays, which correspond one to one with the plurality of contactors respectively, and the input ends of the plurality of intermediate relays are respectively electrically connected to the output end of the power module 100 and the output end of the main control module; the output end of each intermediate relay is electrically connected to the corresponding contactor, so that the power module 100 can output to the corresponding contactor through the plurality of intermediate relays, and then output to the corresponding device connection port 610; the main controller module 200 can be connected to the corresponding contactor through the corresponding intermediate relay.

[0032] Furthermore, the main controller module 200 is set as a PLC controller 210, and the signal input end of the PLC controller 210 is respectively communicatively connected to the output ends of several current detection units 310 and the output ends of several device signal output units; the output ends of the PLC controller 210 are respectively electrically connected to several intermediate relays, thereby realizing the control connection of the PLC controller 210 to several contactors.

[0033] In one embodiment, the PLC controller 210 uses FX3U-32MT as a processing chip; the device connection ports 610 are set to 11, 11 in total, corresponding to which, the contactors are set to KM1 to KM11 in sequence, and the intermediate relays are set to KA1 to KA11 in sequence. Specifically, the signal input terminals of FX3U-32MT are set to X5, X6, X7, X10, X11, X12, X13, X14, X15, X16 and X17, and the above signal input terminals are respectively connected to the current detection units 310 and the device connection signal output units 320 corresponding to the device connection ports 610 from 1 to 11 for communication; the output terminals of FX3U-32MT are set to Y4, Y5, Y6, Y7, Y10, Y11, Y12, Y13, Y14, Y15 and Y16, and the above output terminals are respectively connected to the intermediate relays KA1 to KA11 in sequence, so as to realize the safety management and control of the control box by FX3U-32MT.

[0034] Furthermore, the power module 100 is configured as a three-phase power supply, and the power module 100 includes a PE line 110, which is protectively grounded. When the electrical equipment or lines are flooded, the PLC controller 210 turns on the shielding and absorbs the leakage current, and diverts the current to the PE line 110 to the ground, thereby achieving equal potential and reducing electric shock damage to the human body.

[0035] Furthermore, the smart power safety management control cabinet also includes a number of circuit breakers 700, which are respectively arranged at the output end of the power module 100 and the input end of the device connection port 610, and the main controller module 200 drives and connects the number of circuit breakers. In practical applications, the smart power safety management control cabinet can realize leakage protection, by real-time monitoring of line leakage, when the leakage value reaches the set value, the device will automatically trip and record the problem details; over-temperature protection, by real-time monitoring of line temperature, when the line temperature reaches the set value, the device will automatically trip and record the problem details; over / under voltage protection, by real-time monitoring and calculating line voltage data, when the line voltage exceeds / is lower than the set value, the device will automatically trip and record the problem details; current overload automatic trip, by real-time monitoring of line current data, when the line is overloaded, the device will automatically trip and record the problem details; phase loss automatic trip, when the line is phase-lost, the device will automatically trip and record the problem details; power factor data analysis, the main controller module 200 can analyze power factor data in real time; electricity metering, the main controller module 2 00 can provide users with real-time feedback on the power consumption of the equipment; on-site control, manual opening and closing of the switch and control of the power supply and power off of the connected equipment; equipment access detection, through the detection device to detect whether the control cabinet is connected, when the equipment is not connected, the control cabinet automatically controls not to supply power to the line without equipment; remote control, through the wireless module to realize the remote control of the operation status of the control cabinet by mobile phones and other devices; group control, this control cabinet groups power supply control according to the number and usage of on-site equipment (load); plays a role in monitoring and controlling the operation of automatic control compatible with the fire protection system, through abnormal remote transmission signals such as temperature, pressure, smoke, etc., it can automatically cut off all power supplies of the line, and alarm at the equipment terminal, SMS and telephone alarm, cloud platform alarm; time setting disconnection control, through the main controller module 200, the timed disconnection function can be set, and the equipment cannot be powered on within the set time.

[0036] To summarize, the smart electricity safety management control cabinet disclosed in the present invention connects several device connection ports in parallel to the output end of the power module, wherein a detection module, an execution module and a protection module are connected between each device connection port and the power module, and the detection module, the execution module and the protection module are respectively connected to the main controller module, so that the detection module can detect the access status of the corresponding device connection port and the corresponding output current value in real time, and transmit the detection data to the main controller module for analysis and judgment, and then the main controller module outputs a control command to the execution module, and the execution module controls the output power and on-off status of the corresponding device connection port. In this process, when the system has overvoltage, overload, overtemperature, short circuit and other conditions, the protection module can be blown in time to protect the control cabinet and the equipment, thereby realizing that the smart electricity safety management control cabinet of the present invention can independently control and independently protect several device connection ports.

[0037] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A smart power safety management control cabinet, characterized in that: include: A power module, a main controller module, a detection module, an execution module, a protection module and a load end, wherein the output end of the power module is electrically connected to the main controller module, the detection module, the execution module, the protection module and the load end to supply power to the control box as a whole; wherein the input end of the main controller module is communicatively connected to the output end of the detection module to receive the detection signal output by the detection module; the input end of the detection module is electrically connected to the load end to detect the access status and current value of the load end; the input end of the execution module is electrically connected to the output end of the main controller module, and the output end of the execution module is electrically connected to the load end to execute the control command output by the main controller module and control the on and off of the load end; the protection module is arranged between the execution module and the load end, and is blown in time when the system is over-voltage, overloaded, over-temperatured or short-circuited; The load end includes a plurality of device connection ports, which are connected in parallel to the output end of the power module, wherein a detection module, an execution module and a protection module are connected between each device connection port and the power module, and the detection module, the execution module and the protection module are respectively connected to the main controller module, so that the detection module can detect the access status of the corresponding device connection port and the corresponding output current value in real time, and transmit the detection data to the main controller module for analysis and judgment, and then the main controller module outputs a control command to the execution module, and the execution module controls the output power and on-off status of the corresponding device connection port. In this process, when the system has overvoltage, overload, overtemperature, short circuit and other conditions, the protection module can be blown in time.

2. The smart power safety management control cabinet according to claim 1 is characterized in that: The detection module includes a plurality of current detection units and a plurality of device connection signal output units. The plurality of current detection units correspond to the plurality of device connection ports one by one, and each current detection unit is arranged at the input end of the corresponding device connection port to perform real-time detection of the current value of the current output from the power module to the device connection port, and transmit the detection data to the main controller module; A plurality of device connection signal output units correspond one-to-one to a plurality of device connection ports respectively, and an input end of each device connection signal output unit is electrically connected to a corresponding device connection port, and an output end of the device connection signal output unit is communicatively connected to a main controller unit, so that the device connection signal output unit can feed back the access status of the device connection port to the main controller module.

3. The smart power safety management control cabinet according to claim 2 is characterized in that: The execution module includes a plurality of contactors, which correspond to a plurality of device connection ports one by one, and each contactor is arranged at the input end of the corresponding device connection port to control the connection between the corresponding device connection port and the power module.

4. The smart power safety management control cabinet according to claim 3 is characterized in that: Each contactor is arranged between the corresponding current detection unit and the output end of the power module. Thus, when the corresponding contactor disconnects the connection between the device connection port and the power module under the control command output by the main controller module, the corresponding current detection unit can reflect the current change of the device connection port in real time.

5. The smart power safety management control cabinet according to claim 4 is characterized in that: The protection module includes a plurality of fuse groups, each of which corresponds to a plurality of device connection ports one by one, and each fuse group is arranged at the input end of the corresponding device connection port. When overvoltage, overload, overtemperature, short circuit, etc. occur at the corresponding device connection port, the fuse group blows to protect the system and the corresponding external device.

6. The smart power safety management control cabinet according to claim 5 is characterized in that: Each fuse group is arranged between the corresponding contactor and the output end of the power module. Thus, when the circuit on one side of the power module experiences overvoltage, overload, overtemperature, short circuit, etc., the fuse group can respond and blow faster, thereby protecting the contactor on the side of the device connection port.

7. The smart power safety management control cabinet according to claim 6 is characterized in that: The execution module also includes a plurality of intermediate relays, which correspond to the plurality of contactors one by one, and the input ends of the plurality of intermediate relays are electrically connected to the output end of the power module and the output end of the main control module respectively; the output end of each intermediate relay is electrically connected to the corresponding contactor, so that the power module can output to the corresponding contactor through the plurality of intermediate relays, and then output to the corresponding device connection port; the main controller module can be connected to the corresponding contactor through the corresponding intermediate relay.

8. The smart power safety management control cabinet according to claim 7 is characterized in that: The main controller module is set as a PLC controller, and the signal input end of the PLC controller is respectively communicatively connected to the output ends of several current detection units and the output ends of several equipment signal output units; the output ends of the PLC controller are respectively electrically connected to several intermediate relays, thereby realizing the control connection of the PLC controller to several contactors.

9. The smart power safety management control cabinet according to claim 8 is characterized in that: The PLC controller uses FX3U-32MT as the processing chip.

10. The smart power safety management control cabinet according to claim 9 is characterized in that: The device connection ports are set to eleven from No. 1 to No. 11, and correspondingly, the contactors are set to KM1 to KM11 in sequence, and the intermediate relays are set to KA1 to KA11 in sequence.

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