Power utilization monitoring and early warning device for industrial users

Abstract

The invention discloses an industrial user electricity consumption monitoring and early warning device in the technical field of electricity consumption detection, which comprises a transformer box and an electric energy quality monitoring device arranged at the output end of the transformer box, the output end of the electric energy quality monitoring device is provided with a power distribution monitoring box, and the wire outlet end of the power distribution monitoring box is provided with a wire outlet terminal. The outgoing line terminal is connected with an outgoing line lead, the other end of the outgoing line lead is connected with electric equipment, and the user electricity utilization monitoring and early warning device further comprises a master control box. The power quality monitoring device is arranged at the output end of the transformer box and is used for monitoring a main circuit of an industrial plant area, analyzing the operation quality of a power grid and ensuring stable operation of a power system; the electric energy quality monitoring device can monitor key parameters such as system frequency, harmonic voltage and current, three-phase voltage unbalance degree, voltage fluctuation and flicker and the like in real time, thereby helping industrial users to solve problems occurring in power equipment adjustment and commissioning processes.

Description

Technical Field

[0001] The invention belongs to the technical field of power consumption detection, and in particular relates to a power consumption monitoring and early warning device for industrial users. Background Art

[0002] Industrial electricity refers to the electricity used by enterprises that are mainly engaged in large-scale production and processing industries. The difference between industrial electricity and residential electricity is that most industrial electricity uses three-phase voltage, while residential electricity uses single-phase 220VAC to supply electricity to residents. The prices are different. The price of industrial electricity is high. During peak hours, power outages are often caused by excessive loads. In addition, the voltage of industrial electricity is often higher than that of residential electricity, which can easily burn out home appliances, posing a huge safety hazard. Industrial user electricity monitoring is to monitor and manage the power consumption of the factory. By collecting and analyzing data such as power consumption, equipment operating status, and energy utilization, the factory can achieve refined management of electricity consumption, thereby improving production efficiency and reducing energy consumption.

[0003] Application number: CN202023000160.6 discloses an industrial electricity consumption detection, monitoring and alarm device. Through detection columns, detection controllers and alarms, the electricity consumption can be better detected when industrial electricity is used. Moreover, when overloaded, the alarm can be sounded in the first time, so that the electricity consumption situation can be known in the first time, and the phenomenon of burning circuits or even causing fires can be better avoided. Through dual-axis motors, threaded rods and rotating rods, the height of the electric shock copper block can be adjusted accordingly, so that the entire device can better adapt to electrical appliances of different heights. Although the device can detect and monitor industrial electricity consumption, the detection and monitoring process needs to be connected with the detected circuit. Therefore, the detection personnel are required to carry the detection and monitoring device to detect the electricity consumption of different lines, and the labor cost of the detection process is relatively high.

[0004] In view of this, the present invention is proposed. Summary of the invention

[0005] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide an industrial user electricity consumption monitoring and early warning device. To solve the above technical problems, the basic concept of the technical solution adopted by the present invention is: An industrial user power consumption monitoring and early warning device comprises a transformer box and a power quality monitoring device arranged at its output end, the output end of the power quality monitoring device is provided with a distribution monitoring box, the outlet end of the distribution monitoring box is provided with an outlet terminal, the outlet terminal is connected with an outlet wire, and the other end of the outlet guide is connected with an electric device, the user power consumption monitoring and early warning device also comprises a master control box, the master control box is connected to the power quality monitoring device and the distribution monitoring box through a network, a control indicator box is arranged on the outer side of the distribution monitoring box, a display screen is arranged on the panel of the control indicator box, and an audible and visual alarm is arranged above the display screen. Alarm, operation buttons and a power switch are arranged below the display screen, a combination plug-in terminal is arranged on one side of the power distribution monitoring box, and a plug-in mating terminal seat is arranged at a corresponding position on the other side, a wire groove is arranged between the combination plug-in terminal and the plug-in mating terminal seat in the power distribution monitoring box, the plug-in mating terminal seat is installed in the combination plug-in hole, the plug-in mating terminal seat is connected to the main distribution switch through a connecting wire, a plurality of branch distribution switches are connected to the distribution output end of the main distribution switch, a voltage sensor and a current sensor are arranged between the main distribution switch and the branch distribution switches, and the power distribution monitoring box is snap-fitted and installed on the mounting rail.

[0006] As a further solution of the present invention: an installation base is provided at the bottom of the power distribution monitoring box, and a fixed clamping seat is provided on the bottom surface of the installation base, and the fixed clamping seat is arranged at a position near the four corners of the installation base, and a sliding slot is provided on the installation base between two of the fixed clamping seats on one side, and a movable clamping seat is slidably installed in the sliding slot, and the power distribution monitoring box is quickly installed through the cooperation of the movable clamping seat and the fixed clamping seat.

[0007] As a further solution of the present invention: the sliding slot is a rectangular stepped slot structure, with a large slot diameter at one end and a small slot diameter at the other end, wherein the slot width dimension on the side close to the mounting guide rail is a small slot width dimension, and a spring fixed mounting seat is fixedly arranged at the large slot width dimension in the sliding slot, and a connecting column is fixedly arranged on one side of the clamping seat of the movable clamping seat close to the spring fixed mounting seat, and the connecting column and the spring fixed mounting seat are connected by a telescopic spring, and by compressing the telescopic spring, the movable clamping seat can move outward along the sliding slot.

[0008] As a further solution of the present invention: a hollow groove is provided on the movable clamping seat to ensure that the movable clamping seat can move horizontally along the sliding clamping groove. When the telescopic spring is in a free state, the clamping front end of the movable clamping seat protrudes from the clamping front ends of the two adjacent fixed clamping seats.

[0009] As a further solution of the present invention: a combined connecting hole is provided on the mounting base, and the combined connecting holes of two adjacent distribution monitoring boxes are fixedly connected by a combined connecting plate, and the combined connecting plate is provided with combined connecting screws to enhance the stability of the connection between the two adjacent distribution monitoring boxes.

[0010] As a further solution of the present invention: a plurality of protruding guide pillars are arranged on the combined plug-in terminal, and a plurality of guide holes matched with the protruding guide pillars are arranged on the plug-in mating terminal seat, so as to ensure the stability of the plug-in mating between the combined plug-in terminal and the plug-in mating terminal seat.

[0011] As a further solution of the present invention: the combined plug-in terminal and the plug-in mating terminal seat are connected by a wire, and an electric switch is installed on the connecting wire between the combined plug-in terminal and the plug-in mating terminal seat, and the upper and lower sides of the wire groove are provided with open grooves, and the connecting wire of the electric switch passes through the open groove, and the electric switch is used to control the power on and off status of the combined plug-in terminal.

[0012] As a further solution of the present invention: an MCU microcontroller chip is arranged in the control indicator box, the multiple branch power distribution switches in the power distribution monitoring box are connected in parallel, and the display screen, the sound and light alarm, the power switch and operation buttons are arranged on the panel of the master control box, so as to facilitate monitoring and early warning in the master control room.

[0013] As a further solution of the present invention: the input end of the transformer box is connected to the transformer substation for industrial power supply, and a fixed installation groove is provided on the installation rail.

[0014] After adopting the above technical scheme, the present invention has the following beneficial effects compared with the prior art.

[0015] The present invention is provided with a power quality monitoring device at the output end of the transformer box, which is used to monitor the main circuit of the industrial plant, analyze the operation quality of the power grid, and ensure the stable operation of the power system. The power quality monitoring device can monitor the key parameters such as system frequency, harmonic voltage and current, three-phase voltage imbalance, voltage fluctuation and flicker in real time, so as to help industrial users solve problems arising during the adjustment and commissioning of power equipment. In addition, the power quality monitoring device also supports multiple communication methods, such as TCP / IP, RS232, RS485, etc., and can realize the data uploading function, and transmit the monitoring data to the remote master control box for easy comprehensive management.

[0016] The present invention provides a power distribution monitoring box between the power quality monitoring device and the power-consuming equipment for power distribution and monitoring the voltage, current and equipment power in each conductor branch, and real-time monitoring of the power consumption of each branch, without the need for manual carrying of detection equipment for regular inspections. Combination plug-in terminals and plug-in matching terminal seats are provided on both sides of the power distribution detection box, which can realize quick plug-in connection. When the industrial user has a large number of power-consuming equipment, multiple power distribution monitoring boxes can be used in combination. The modular design is convenient for combined use. The power distribution monitoring box is installed on the mounting rail by snap-on connection, which is convenient for disassembly and assembly, providing convenience for modular combined use.

[0017] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are part of this application and are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings: Figure 1 It is a schematic diagram of the layout of the monitoring system of the present invention; Figure 2 This is a schematic diagram of the installation structure of the monitoring distribution box of the present invention; Figure 3 This is a schematic diagram of the back side of the monitoring distribution box of the present invention; Figure 4 This is a schematic diagram of the interior of the monitoring distribution box of the present invention; Figure 5 It is a partial enlarged view of point A of the present invention; Figure 6 The electrical wiring diagram of the three-phase three-wire power quality detector of the present invention; Figure 7 The electrical wiring diagram of the three-phase four-wire power quality detector of the present invention; Figure 8 This is a block diagram of some components of the present invention.

[0019] In the figure: 1. Transformer box; 2. Power quality monitoring device; 3. Distribution monitoring box; 4. Master control box; 5. Control indicator box; 6. Outgoing terminal; 7. Outgoing wire; 8. Electrical equipment; 9. Mounting base; 10. Combined connection hole; 11. Combined connection plate; 12. Combined connection screw; 13. Display screen; 14. Sound and light alarm; 15. Combined plug-in terminal; 16. Power switch; 17. Mounting rail; 18. Fixed card seat; 19. Sliding card slot; 20. Movable clamping seat; 21. Spring fixed mounting seat; 22. Connecting column; 23. Telescopic spring; 24. Hollow slot; 25. Combined plug-in hole; 26. Plug-in matching terminal; 27. Wire slot; 28. Electric control switch; 29. ​​Main distribution switch; 30. Branch distribution switch; 31. Voltage sensor; 32. Current sensor.

[0020] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0022] like Figures 1 to 8 As shown, an industrial user electricity consumption monitoring and early warning device comprises a transformer box 1 and a power quality monitoring device 2 arranged at its output end, a distribution monitoring box 3 is arranged at the output end of the power quality monitoring device 2, an outlet terminal 6 is arranged at the outlet end of the distribution monitoring box 3, an outlet wire 7 is connected to the outlet terminal 6, and an electric device 8 is connected to the other end of the outlet guide, the user electricity consumption monitoring and early warning device also comprises a main control box 4, the main control box 4 is connected to the power quality monitoring device 2 and the distribution monitoring box 3 through a network, a control indicator box 5 is arranged on the outer side of the distribution monitoring box 3, a display screen 13 is arranged on the panel of the control indicator box 5, and an audible and visual alarm 14 is arranged above the display screen 13, which displays An operation button and a power switch 16 are provided below the screen 13, a combination plug-in terminal 15 is provided on one side of the power distribution monitoring box 3, and a plug-in mating terminal seat 26 is provided at a corresponding position on the other side, a wire groove 27 is provided between the combination plug-in terminal 15 and the plug-in mating terminal seat 26 in the power distribution monitoring box 3, the plug-in mating terminal seat 26 is installed in the combination plug-in hole 25, the plug-in mating terminal seat 26 is connected to the main distribution switch 29 through a connecting wire, a plurality of branch distribution switches 30 are connected to the distribution output end of the main distribution switch 29, a voltage sensor 31 and a current sensor 32 are provided between the main distribution switch 29 and the branch distribution switch 30, and the power distribution monitoring box 3 is snap-fitted and installed on the mounting rail 17.

[0023] Among them, a mounting base 9 is provided at the bottom of the power distribution monitoring box 3, and a fixed clamping seat 18 is provided on the bottom surface of the mounting base 9. The fixed clamping seat 18 is arranged near the four corners of the mounting base 9, and a sliding slot 19 is provided on the mounting base between two fixed clamping seats 18 on one side, and a movable clamping seat 20 is slidably installed in the sliding slot 19. Through the cooperation of the movable clamping seat 20 and the fixed clamping seat 18, the power distribution monitoring box 3 can be quickly installed.

[0024] The sliding slot 19 is a rectangular stepped slot structure, with a large slot diameter at one end and a small slot diameter at the other end, wherein the slot width dimension on the side close to the mounting guide rail 17 is a small slot width dimension, and a spring fixed mounting seat 21 is fixedly provided at the large slot width dimension in the sliding slot 19, and a connecting column 22 is fixedly provided on one side of the clamping seat of the movable clamping seat 20 close to the spring fixed mounting seat 21, and the connecting column 22 is connected to the spring fixed mounting seat 21 by a telescopic spring 23, and by compressing the telescopic spring 23, the movable clamping seat 20 can move outward along the sliding slot 19.

[0025] The movable clamping seat 20 is provided with a hollow groove 24 to ensure that the movable clamping seat 20 can move horizontally along the sliding clamping groove 19. When the telescopic spring 23 is in a free state, the clamping front end of the movable clamping seat 20 protrudes from the clamping front ends of the two adjacent fixed clamping seats 18.

[0026] A combination connection hole 10 is provided on the mounting base 9, and the combination connection holes 10 of two adjacent distribution monitoring boxes 3 are fixedly connected by a combination connection plate 11. The combination connection plate 11 is equipped with a combination connection screw 12 for enhancing the stability of the connection between the two adjacent distribution monitoring boxes 3.

[0027] The combined plug-in terminal 15 is provided with a plurality of protruding guide pillars, and the plug-in mating terminal seat 26 is provided with a plurality of guide holes matched with the protruding guide pillars, so as to ensure the stability of the plug-in mating between the combined plug-in terminal 15 and the plug-in mating terminal seat 26 .

[0028] The combined plug-in terminal 15 is connected to the plug-in mating terminal seat 26 by a wire, and an electric switch 28 is installed on the connecting wire between the combined plug-in terminal 15 and the plug-in mating terminal seat 26. The upper and lower sides of the wire groove 27 are provided with open grooves, and the connecting wire of the electric switch passes through the open groove. The electric switch 28 is used to control the power on and off status of the combined plug-in terminal 15.

[0029] An MCU microcontroller chip is provided in the control indicator box 5, and multiple branch distribution switches 30 in the distribution monitoring box 3 are connected in parallel. A display screen 13, an audible and visual alarm 14, a power switch 16 and operating buttons are provided on the panel of the main control box 4, which is convenient for monitoring and early warning in the main control room.

[0030] The input end of the transformer box 1 is connected to the transformer substation for industrial power supply, and a fixed installation groove is provided on the installation rail 17 .

[0031] The working principle of the present invention is: the substation transmits electric energy to the transformer box 1 in the industrial plant area. After the transformer box 1 transforms the voltage, a power quality monitoring device 2 is connected to the power output end of the transformer box 1. The power quality monitoring device 2 is used to monitor the total circuit in the industrial park and analyze the operation quality of the power grid to ensure the stable operation of the power system. The output end of the power quality monitoring device 2 is connected to a distribution monitoring box 3. The distribution monitoring box 3 has a coordination function and a line monitoring function. While distributing power, a voltage sensor 31 and a current sensor 32 are arranged on each distribution branch. The voltage sensor 31 can sense the measured voltage and convert it into By changing to a usable output signal, the current sensor 32 can sense the information of the measured current, and can transform the sensed information into an electrical signal or other required form of information output that meets certain standard requirements according to a certain rule, and implement monitoring of the voltage and current conditions of each branch. When an abnormality occurs, the sound and light alarm 14 will promptly issue an alarm reminder. At the same time, a control indicator box 5 is provided on the power distribution monitoring box 3, and an MCU microcontroller chip is provided in the control indicator box 5, which can process the monitoring information and perform remote information transmission, and transmit it to the main control box 4 for centralized central control management, which can effectively save labor costs; When the power distribution monitoring box 3 is installed on the mounting rail 17, first clamp the side with the movable clamping seat 20 at the outer edge of one side of the mounting rail 17, compress the telescopic spring 23, so that the movable clamping seat 20 moves outward along the sliding clamping groove 19, and press the other side downward, so that the fixed clamping seat 18 on the side of the power distribution monitoring box 3 where the movable clamping seat 20 is not provided is clamped at the outer edge of the other side of the mounting rail 17; when the power distribution monitoring box 3 needs to be removed from the mounting rail 17, force is applied to one side of the movable clamping seat 20 to compress the telescopic spring 23, and the other side of the power distribution monitoring box 3 is flipped upward and lifted, so that the power distribution monitoring box 3 can be quickly removed; When the area of ​​industrial users is large and multiple groups of branch lines need to be set up, multiple power distribution monitoring boxes 3 can be used in combination. The side of the power distribution monitoring box 3 is provided with a combined plug-in terminal 15, which can be directly connected through the combination of the combined plug-in terminal 15 and the plug-in matching terminal seat 26. When multiple power distribution monitoring boxes 3 are used in combination, the electric control switch 28 in the front power distribution monitoring box 3 is in a connected state, which is used to supply power to the lower power distribution monitoring box 3, so that the multiple power distribution monitoring boxes 3 are in a parallel state; The present invention is provided with a power quality monitoring device 2 at the output end of the transformer box 1, which is used to monitor the total circuit of the industrial plant, analyze the operation quality of the power grid, and ensure the stable operation of the power system. The power quality monitoring device 2 can monitor the key parameters such as system frequency, harmonic voltage and current, three-phase voltage imbalance, voltage fluctuation and flicker in real time, so as to help industrial users solve problems arising during the adjustment and commissioning of power equipment. In addition, the power quality monitoring device 2 also supports a variety of communication methods, such as TCP / IP, RS232, RS485, etc., and can realize the data upload function, and transmit the monitoring data to the remote master control box 4, which is convenient for comprehensive management. Management; A distribution monitoring box 3 is provided between the power quality monitoring device 2 and the power-consuming equipment 8, which is used for power distribution and monitoring the voltage, current, and equipment power in each wire branch, and real-time monitoring of the power consumption of each branch, without the need for manual carrying of detection equipment for regular inspections. Combination plug-in terminals 15 and plug-in matching terminal seats 26 are provided on both sides of the distribution detection box, which can realize quick plug-in connection. When there are many power-consuming equipment 8 of industrial users, multiple distribution monitoring boxes 3 can be used in combination, with modular design and convenient combined use. The distribution monitoring box 3 is installed on the mounting rail 17 by snap connection, which is convenient for disassembly and assembly, providing convenience for modular combined use; By monitoring electricity consumption, factories can promptly identify and resolve problems in equipment operation, reduce downtime caused by equipment failure, and improve production efficiency; by monitoring energy utilization, factories can discover energy waste, take timely measures to optimize, and reduce production costs; through refined management, factories can effectively reduce energy consumption, reduce environmental impact, and achieve green production.

[0032] The above is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment, it is not used to limit the present invention. Any technician familiar with this patent can make some changes or modify the technical contents suggested above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the solution of the present invention.

Claims

1. An industrial user electricity consumption monitoring and early warning device, comprising a transformer box (1) and a power quality monitoring device (2) arranged at its output end, characterized in that: The output end of the power quality monitoring device (2) is provided with a power distribution monitoring box (3), the outlet end of the power distribution monitoring box (3) is provided with an outlet terminal (6), the outlet terminal (6) is connected to an outlet wire (7), and the other end of the outlet wire is connected to an electric device (8). The user power consumption monitoring and early warning device also includes a main control box (4), the main control box (4) is connected to the power quality monitoring device (2) and the power distribution monitoring box (3) through a network, the outer side of the power distribution monitoring box (3) is provided with a control indicator box (5), the panel of the control indicator box (5) is provided with a display screen (13), the upper part of the display screen (13) is provided with an audible and visual alarm (14), and the lower part of the display screen (13) is provided with an operation button and a power switch (16). A combined plug-in terminal (15) is provided on one side of the power distribution monitoring box (3), and a plug-in mating terminal seat (26) is provided at a corresponding position on the other side. A wire groove (27) is provided between the combined plug-in terminal (15) and the plug-in mating terminal seat (26) in the power distribution monitoring box (3). The plug-in mating terminal seat (26) is installed in the combined plug-in hole (25). The plug-in mating terminal seat (26) is connected to a main power distribution switch (29) through a connecting wire. A plurality of branch power distribution switches (30) are connected to the power distribution output end of the main power distribution switch (29). A voltage sensor (31) and a current sensor (32) are provided between the main power distribution switch (29) and the branch power distribution switches (30). The power distribution monitoring box (3) is mounted on a mounting guide rail (17) by snap-fitting.

2. The industrial user electricity consumption monitoring and early warning device according to claim 1 is characterized in that: The bottom of the power distribution monitoring box (3) is provided with a mounting base (9), and a fixed clamping seat (18) is provided on the bottom surface of the mounting base (9). The fixed clamping seat (18) is arranged at a position close to the four corners of the mounting base (9), and a sliding slot (19) is provided on the mounting base (9) between two of the fixed clamping seats (18) on one side, and a movable clamping seat (20) is slidably connected and installed in the sliding slot (19).

3. The industrial user electricity consumption monitoring and early warning device according to claim 2 is characterized in that: The sliding slot (19) is a rectangular stepped slot structure, with a slot diameter at one end being large and a slot diameter at the other end being small, wherein the slot width dimension of the side close to the mounting rail (17) is a small slot width dimension, a spring fixed mounting seat (21) is fixedly arranged at the large slot width dimension in the sliding slot (19), a connecting column (22) is fixedly arranged at a side of the clamping seat of the movable clamping seat (20) close to the spring fixed mounting seat (21), and the connecting column (22) is connected to the spring fixed mounting seat (21) via a telescopic spring (23).

4. The industrial user electricity consumption monitoring and early warning device according to claim 3 is characterized in that: The movable clamping seat (20) is provided with a hollow groove (24), and when the telescopic spring (23) is in a free state, the clamping front end of the movable clamping seat (20) protrudes from the clamping front ends of two adjacent fixed clamping seats (18).

5. The industrial user electricity consumption monitoring and early warning device according to claim 4 is characterized in that: The mounting base (9) is provided with a combined connection hole (10), and the combined connection holes (10) of two adjacent power distribution monitoring boxes (3) are fixedly connected via a combined connection plate (11), and the combined connection plate (11) is provided with a combined connection screw (12).

6. The industrial user electricity consumption monitoring and early warning device according to claim 5 is characterized in that: The combined plug-in terminal (15) is provided with a plurality of protruding guide pillars, and the plug-in mating terminal seat (26) is provided with a plurality of guide holes matched with the protruding mating guide pillars.

7. The industrial user electricity consumption monitoring and early warning device according to claim 6 is characterized in that: The combined plug-in terminal (15) and the plug-in mating terminal seat (26) are connected via a wire, an electric control switch (28) is installed on the connecting wire between the combined plug-in terminal (15) and the plug-in mating terminal seat (26), and the upper and lower sides of the wire slot (27) are provided with open slots, and the connecting wire of the electric control switch passes through the open slot.

8. The industrial user electricity consumption monitoring and early warning device according to claim 7 is characterized in that: The control indicator box (5) is provided with an MCU microcontroller chip, the plurality of branch power distribution switches (30) in the power distribution monitoring box (3) are connected in parallel, and the panel of the master control box (4) is provided with the display screen (13), the sound and light alarm (14), the power switch (16) and operation buttons.

9. The industrial user electricity consumption monitoring and early warning device according to claim 8 is characterized in that: The input end of the transformer box (1) is connected to the transformer substation, and a fixed installation groove is provided on the installation guide rail (17).

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