CN113744088A - Intelligent power distribution system based on edge computing technology - Google Patents
Intelligent power distribution system based on edge computing technology Download PDFInfo
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Abstract
The invention discloses an intelligent power distribution system based on an edge calculation technology, which comprises a box body and a box door, wherein the box door is hinged to one side of the box body, a door lock is installed on the box door, a wire inlet end is installed at the upper end of the box body, a wire outlet end is installed at the lower end of the box body, and a display screen, a control switch group and a control module are installed in an inner cavity of the box body; the electric parameters such as power consumption, leakage current, temperature, voltage, current, power factors and the like of the electric boxes at each booth can be obtained on line through the power utilization safety and energy consumption management system, and the alarm or the tripping threshold of the breaker of the parameters is set automatically; the system can pre-warn potential electrical hazards such as overload and electric leakage of each exhibition position in advance, inform exhibitors and operation and maintenance personnel of adjusting the use load in time and avoid frequent overload trip events during the development period; the operation company administrator checks and receives the alarm information in time, and can remotely control and switch on and off at regular time, so that the power utilization safety is improved.
Description
Technical Field
The invention relates to the technical field of power distribution systems, in particular to an intelligent power distribution system based on an edge computing technology.
Background
The tail-end miniature circuit breaker is widely applied to various buildings, switching-on and switching-off are carried out manually for a long time, voltage protection cannot be carried out, the on-off state and the electric line fault cannot be fed back, no electric address cannot execute a command sent by an upper computer, and the traditional tail-end power distribution can not adapt to the development requirements of the interconnection of smart cities and everything at present. The following problems often arise with exhibitions central power distribution systems:
exhibition hall line loss: the matching positions of the exhibitor and the mobile exhibition booth box are uncertain, the clocks of the electric energy meters are asynchronous, and the three phases are unbalanced, so that the line loss calculation of the exhibition hall is inaccurate; exhibition room unbalanced three phase: the electric energy loss of the line is increased, and the safe operation of the electric equipment is influenced; the power failure faults at all levels cannot be reported and positioned quickly, and only the exhibitor users can report the first-aid repair; the acquisition success rate is not high: in the technical aspect, RS485 communication is adopted at present, and wiring is very inconvenient, so that improvement is needed.
Disclosure of Invention
The present invention is directed to an intelligent power distribution system based on edge computing technology, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: wisdom distribution system based on edge calculation technique, including box and chamber door, the chamber door articulates in box one side, install the lock on the chamber door, the inlet wire end is installed to the box upper end, box lower extreme installation leading-out terminal, box inner chamber installation display screen, control switch group and control module, display screen, control switch group respectively with control module electric connection, box trailing flank installation heat dissipation storehouse, installation radiator unit in the heat dissipation storehouse.
Preferably, the intelligent power distribution system based on the edge computing technology provided by the application is characterized in that a main control unit, an alarm unit and a protection unit are installed in the control module, the alarm unit and the protection unit are respectively connected with the main control unit, the main control unit is further connected with a background monitoring center through a communication unit, and a role distribution unit, an exhibition management unit, an exhibition box warehousing unit, a gateway file management unit, an exhibition box control unit, a task management unit and a daily data viewing unit are arranged in the background monitoring center; wherein, the role distribution unit is used for distributing the exhibition hall authority; the exhibition management unit is used for creating and managing exhibition halls and exhibitions; the display box warehousing unit is used for scanning and inputting the display box; the gateway file management unit inquires and modifies the gateway information; the exhibition box control unit can perform threshold setting and switching-on and switching-off operations, check the operation data and the latest alarm event of the exhibition box, select equipment on the exhibition box list and perform the operation of reading the threshold in batches; the task management unit is used for adding and modifying automatic tasks; the daily data viewing unit is used for viewing exhibition halls, exhibitions and alarm information.
Preferably, the intelligent power distribution system based on the edge computing technology further comprises an electric energy metering unit, a measuring and monitoring unit and a remote control unit, wherein the electric energy metering unit, the measuring and monitoring unit and the remote control unit are respectively connected with the main control unit, and the electric energy metering unit is used for forward and reverse active electric energy metering; the measuring and monitoring unit can measure, record and display the current voltage, current, power factor, temperature and residual current operation parameters of the electric energy meter; the remote control unit utilizes HPLC carrier communication and issued switching-off and switching-on control management; the main control unit realizes local pre-diagnosis and alarm of short circuit, electric leakage and over-temperature faults by using an artificial neural network algorithm.
Preferably, the intelligent power distribution system based on the edge computing technology provided by the present application, wherein the communication unit employs a spread spectrum communication technology or an OFDM technology. .
Preferably, the application provides an wisdom distribution system based on edge calculation technique, wherein, the protection unit includes opto-coupler, second field effect transistor and one-way controllable silicon pipe, an input termination electric signal acquisition end of opto-coupler, another input is through resistance F ground connection, diode F negative pole and variable resistance one end are connected respectively to an opto-coupler output connecting resistance G one end, another output, resistance G other end connecting resistance H one end, and diode D positive pole and diode E positive pole are connected respectively to the resistance H other end, electric capacity one end, resistance I one end and one-way controllable silicon pipe control end are connected to diode D negative pole, the anodal second field effect transistor grid of connecting of one-way controllable silicon pipe, one-way controllable silicon pipe negative pole connecting resistance I other end and electric capacity other end, second field effect transistor drain electrode connecting resistance J one end, the other end of the resistor J is respectively connected with the anode of the diode F, the other end of the variable resistor and the cathode of the diode E.
Preferably, the wisdom power distribution system based on edge computing technology that this application provided, wherein, radiator unit adopts the multi-disc radiating fin.
Preferably, the intelligent power distribution system based on the edge computing technology provided by the application comprises the following steps:
A. the distribution box is accessed to an exhibition hall and an exhibition, firstly, an operator logs in a system through an account number and a password, and authority distribution is carried out on the exhibition hall and the exhibition through a role distribution unit;
B. then, an operator creates an exhibition hall and an exhibition, and monitors any exhibition box through an exhibition box control unit;
C. the operator can obtain the electric parameters such as the power consumption, the leakage current, the temperature, the voltage, the current, the power factors and the like of the electric boxes of each booth on line through the measuring and monitoring unit;
D. once abnormal signals are monitored, electric hidden dangers such as overload and electric leakage of each exhibition position can be pre-warned in advance, exhibitors and operation and maintenance personnel are informed to adjust the use load in time, and the switch can be controlled remotely and switched on and off at regular time, so that the electricity utilization safety is improved.
Compared with the prior art, the invention has the beneficial effects that: the invention has clear working principle and can remotely and efficiently manage and control the use condition of the electronic boxes at each booth. Meanwhile, the power utilization behaviors of the exhibition positions are normalized; the electric parameters such as power consumption, leakage current, temperature, voltage, current, power factors and the like of the electric boxes at each booth can be obtained on line through the power utilization safety and energy consumption management system, and the alarm or the tripping threshold of the breaker of the parameters is set automatically; the system can pre-warn potential electrical hazards such as overload and electric leakage of each exhibition position in advance, inform exhibitors and operation and maintenance personnel of adjusting the use load in time and avoid frequent overload trip events during the development period; the operation company administrator checks and receives the alarm information in time, and can remotely control and switch on and off at regular time, so that the power utilization safety is improved. The problems that exhibitors use illegally and steal the electric charge are solved. Through big data intelligent analysis early warning function, inform the operator in advance, realize the problem of charging on time. The information energy consumption processing level of the exhibition hall is improved, so that the exhibition hall gradually develops towards the intelligent direction.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of the control scheme of the present invention;
FIG. 3 is a circuit diagram of a protection unit according to the present invention;
in the figure: the system comprises a box body 1, a box door 2, a door lock 3, an incoming line end 4, an outgoing line end 5, a display screen 6, a control switch group 7, a control module 8, a main control unit 9, a role distribution unit 10, an exhibition management unit 11, an exhibition warehousing unit 12, a gateway file management unit 13, an exhibition box control unit 14, a task management unit 15, a daily data checking unit 16, an optical coupler 17, a second field effect transistor 18, a one-way controllable silicon tube 19, a variable resistor 20, a capacitor 21, an alarm unit 22, a protection unit 23, a communication unit 24, a background monitoring center 25, an electric energy metering unit 26, a measurement and monitoring unit 27 and a remote control unit 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: wisdom distribution system based on edge calculation technique, including box 1 and chamber door 2, chamber door 2 articulates in 1 one side of box, install lock 3 on the chamber door 2, inlet wire end 4 is installed to 1 upper end of box, 1 lower extreme installation leading-out terminal 5 of box, 1 inner chamber installation display screen 6 of box, control switch group 7 and control module 8, display screen 6, control switch group 7 respectively with 8 electric connection of control module, 1 trailing flank installation heat dissipation storehouse of box, installation radiator unit in the heat dissipation storehouse, radiator unit adopt multi-disc radiating fin. The control module has forward and reverse active electric energy metering functions (real-time electric energy, multi-rate electric energy and historical electric energy); the current running parameters of the electric energy meter, such as voltage, current, power factor, temperature, residual current and the like, can be accurately measured, recorded and displayed; the self-setting of the limit values of overload, overvoltage, undervoltage, overcurrent, overtemperature and residual current is supported; when the condition that the limit value is met is automatically detected, the internal self-holding switch is automatically controlled to be powered off, and an acousto-optic alarm is sent out; communication function: the uplink adopts power line networking and the downlink adopts RS485 communication.
In the invention, a main control unit 9, an alarm unit 22 and a protection unit 23 are installed in a control module 8, the alarm unit 22 and the protection unit 23 are respectively connected with the main control unit 9, the main control unit 9 is also connected with a background monitoring center 25 through a communication unit 24, and a role distribution unit 10, an exhibition management unit 11, an exhibition box warehousing unit 12, a gateway archive management unit 13, an exhibition box control unit 14, a task management unit 15 and a daily data viewing unit 16 are arranged in the background monitoring center 25; the communication unit 24 adopts a spread spectrum communication technology or an OFDM technology, has the advantages of strong anti-interference capability and high communication rate, and can realize high-speed transmission in a wireless environment; wherein, the role distribution unit is used for distributing the exhibition hall authority; the exhibition management unit is used for creating and managing exhibition halls and exhibitions; the display box warehousing unit is used for scanning and inputting the display box; the gateway file management unit inquires and modifies the gateway information; the exhibition box control unit can perform threshold setting and switching-on and switching-off operations, check the operation data and the latest alarm event of the exhibition box, select equipment on the exhibition box list and perform the operation of reading the threshold in batches; the task management unit is used for adding and modifying automatic tasks; the daily data viewing unit is used for viewing exhibition halls, exhibitions and alarm information.
In addition, the invention also comprises an electric energy metering unit 26, a measuring and monitoring unit 27 and a remote control unit 28, wherein the electric energy metering unit 26, the measuring and monitoring unit 27 and the remote control unit 28 are respectively connected with the main control unit 9, and the electric energy metering unit is used for forward and reverse active electric energy metering; the measuring and monitoring unit can measure, record and display the current voltage, current, power factor, temperature and residual current operation parameters of the electric energy meter; the remote control unit utilizes HPLC carrier communication and issued switching-off and switching-on control management; the main control unit realizes local pre-diagnosis and alarm of faults such as short circuit, electric leakage, over-temperature and the like by utilizing an artificial neural network algorithm. The power distribution system has A, B, C elements with six basic electric energy measuring functions of forward active function, reverse active function and combined element forward active function, reverse active function and four quadrant reactive function, and three combined electric energy calculating functions of combined active function, combined reactive power 1 and combined reactive power 2.
The combined active electric energy can be selectively added and subtracted by the positive and negative active electric energy, and the setting is carried out by modifying the characteristic words of the active combination mode.
The reactive power of the two combinations can be selectively added and subtracted by the reactive power of the four quadrants, and the setting is carried out by modifying the characteristic words of the reactive combination modes 1 and 2.
And when the three types of combined electric energy are communicated and displayed, the three types of combined electric energy are calculated according to the related characteristic words and the basic electric energy. When the mode word is changed, zero clearing operation on the electric meter is not needed, and the historical electric energy can be correctly traced. The electric energy calculating and storing method is suitable for total and time-sharing electric energy, combined element electric energy, each element electric energy and the like.
The measuring and monitoring unit can measure, record and display the total and each split-phase voltage, current, power factor, leakage current, line temperature and other operation parameters of the current electric energy meter.
The control module can measure the apparent power, the active power, the reactive power and the power factor of the combined element and A, B, C partial elements, can measure the voltage and the current of A, B, C partial elements, and can display the directions of the current, the power and the power factor.
In addition, the power on/off function can be remotely controlled through power line P + communication, the background system sends a power on/off command to the communication measurement and control device through the power line P + communication, and the communication measurement and control device controls an external intelligent circuit breaker (or intelligent electric operation + classical circuit breaker) to execute the power on/off function through a 485 interface.
In addition, in the present invention, the protection unit includes an optical coupler 17, a second field effect transistor 18 and a unidirectional controllable silicon transistor 19, an input end of the optical coupler 17 is connected to the electrical signal acquisition end, another input end is grounded through a resistor F6a, an output end of the optical coupler 17 is connected to one end of a resistor G7a, another output end is connected to the negative electrode of a diode F6b and one end of a variable resistor 20, another end of the resistor G7a is connected to one end of a resistor H8a, another end of the resistor H8a is connected to the positive electrode of a diode D4b and the positive electrode of a diode E5b, a negative electrode of the diode D4b is connected to one end of a capacitor 21, one end of a resistor I9a and the control end of the unidirectional controllable silicon transistor 19, the positive electrode of the unidirectional controllable silicon transistor 19 is connected to the gate of the second field effect transistor 18, a negative electrode of the unidirectional controllable silicon transistor 19 is connected to the other end of the resistor I9a and the other end of the capacitor 21, a drain of the second field effect transistor 18 is connected to one end of a resistor J10a, and another end of the resistor J10a is connected to the positive electrode of the diode F6b and the other end of the variable resistor F20, respectively, Diode E5b is negative. The signal is input at one end of the optical coupler, the input signal is subjected to one-way transmission and then is electrically isolated to output a current signal, once a short circuit occurs, the one-way controllable silicon tube is cut off, the diode D4b and the diode E5b are switched on, the diode F6b is cut off, no electric signal is output at the output end, and the overload protection effect is achieved. The overload protection unit has short-circuit protection and overload protection functions, so that unnecessary trouble and loss are reduced, once abnormal overload occurs, the power supply can be immediately cut off, and the later maintenance cost is reduced.
The working principle is as follows: the using method of the invention comprises the following steps:
A. the distribution box is accessed to an exhibition hall and an exhibition, firstly, an operator logs in a system through an account number and a password, and authority distribution is carried out on the exhibition hall and the exhibition through a role distribution unit;
B. then, an operator creates an exhibition hall and an exhibition, and monitors any exhibition box through an exhibition box control unit;
C. the operator can obtain the electric parameters such as the power consumption, the leakage current, the temperature, the voltage, the current, the power factors and the like of the electric boxes of each booth on line through the measuring and monitoring unit;
D. once abnormal signals are monitored, electric hidden dangers such as overload and electric leakage of each exhibition position can be pre-warned in advance, exhibitors and operation and maintenance personnel are informed to adjust the use load in time, and the switch can be controlled remotely and switched on and off at regular time, so that the electricity utilization safety is improved.
In conclusion, the invention has clear working principle and can remotely and efficiently manage and control the service condition of the electric boxes at each exhibition position. Meanwhile, the power utilization behaviors of the exhibition positions are normalized; the electric parameters such as power consumption, leakage current, temperature, voltage, current, power factors and the like of the electric boxes at each booth can be obtained on line through the power utilization safety and energy consumption management system, and the alarm or the tripping threshold of the breaker of the parameters is set automatically; the system can pre-warn potential electrical hazards such as overload and electric leakage of each exhibition position in advance, inform exhibitors and operation and maintenance personnel of adjusting the use load in time and avoid frequent overload trip events during the development period; the operation company administrator checks and receives the alarm information in time, and can remotely control and switch on and off at regular time, so that the power utilization safety is improved. The problems that exhibitors use illegally and steal the electric charge are solved. Through big data intelligent analysis early warning function, inform the operator in advance, realize the problem of charging on time. The information energy consumption processing level of the exhibition hall is improved, so that the exhibition hall gradually develops towards the intelligent direction.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. Wisdom distribution system based on edge calculation technique, including box (1) and chamber door (2), its characterized in that: the refrigerator door is characterized in that the refrigerator door (2) is hinged to one side of the refrigerator body (1), a door lock (3) is installed on the refrigerator door (2), a wire inlet end (4) is installed at the upper end of the refrigerator body (1), a wire outlet end (5) is installed at the lower end of the refrigerator body (1), a display screen (6), a control switch group (7) and a control module (8) are installed in the inner cavity of the refrigerator body (1), the display screen (6) and the control switch group (7) are respectively electrically connected with the control module (8), a heat dissipation bin is installed on the rear side face of the refrigerator body (1), and a heat dissipation assembly is installed in the heat dissipation bin.
2. The intelligent power distribution system based on edge computing technology of claim 1, wherein: a main control unit (9), an alarm unit (22) and a protection unit (23) are installed in the control module (8), the alarm unit (22) and the protection unit (23) are respectively connected with the main control unit (9), the main control unit (9) is further connected with a background monitoring center (25) through a communication unit (24), and a role distribution unit (10), an exhibition management unit (11), an exhibition warehousing unit (12), a gateway file management unit (13), an exhibition control unit (14), a task management unit (15) and a daily data viewing unit (16) are arranged in the background monitoring center (25); wherein, the role distribution unit is used for distributing the exhibition hall authority; the exhibition management unit is used for creating and managing exhibition halls and exhibitions; the display box warehousing unit is used for scanning and inputting the display box; the gateway file management unit inquires and modifies the gateway information; the exhibition box control unit can perform threshold setting and switching-on and switching-off operations, check the operation data and the latest alarm event of the exhibition box, select equipment on the exhibition box list and perform the operation of reading the threshold in batches; the task management unit is used for adding and modifying automatic tasks; the daily data viewing unit is used for viewing exhibition halls, exhibitions and alarm information.
3. The intelligent power distribution system based on edge computing technology of claim 2, wherein: the electric energy metering device is characterized by further comprising an electric energy metering unit (26), a measuring and monitoring unit (27) and a remote control unit (28), wherein the electric energy metering unit (26), the measuring and monitoring unit (27) and the remote control unit (28) are respectively connected with the main control unit (9), and the electric energy metering unit is used for forward and reverse active electric energy metering; the measuring and monitoring unit can measure, record and display the current voltage, current, power factor, temperature and residual current operation parameters of the electric energy meter; the remote control unit utilizes HPLC carrier communication and issued switching-off and switching-on control management; the main control unit realizes local pre-diagnosis and alarm of short circuit, electric leakage and over-temperature faults by using an artificial neural network algorithm.
4. The intelligent power distribution system based on edge computing technology of claim 2, wherein: the communication unit (24) employs spread spectrum communication techniques or OFDM techniques.
5. The intelligent power distribution system based on edge computing technology of claim 2, wherein: the protection unit comprises an optical coupler (17), a second field effect transistor (18) and a one-way controllable silicon tube (19), one input end of the optical coupler (17) is connected with an electric signal acquisition end, the other input end of the optical coupler is grounded through a resistor F (6a), one output end of the optical coupler (17) is connected with one end of a resistor G (7a), the other output end of the optical coupler (17) is connected with the cathode of a diode F (6b) and one end of a variable resistor (20) respectively, the other end of the resistor G (7a) is connected with one end of a resistor H (8a), the other end of the resistor H (8a) is connected with the anode of a diode D (4b) and the anode of a diode E (5b) respectively, the cathode of the diode D (4b) is connected with one end of a capacitor (21), one end of a resistor I (9a) and the control end of the one-way controllable silicon tube (19), the anode of the one-way controllable silicon tube (19) is connected with the grid of the second field effect transistor (18), the negative electrode of the one-way controllable silicon tube (19) is connected with the other end of the resistor I (9a) and the other end of the capacitor (21), the drain electrode of the second field effect transistor (18) is connected with one end of the resistor J (10a), and the other end of the resistor J (10a) is respectively connected with the anode of the diode F (6b), the other end of the variable resistor (20) and the negative electrode of the diode E (5 b).
6. The intelligent power distribution system based on edge computing technology of claim 1, wherein: the heat dissipation assembly adopts a plurality of heat dissipation fins.
7. The method for implementing the intelligent power distribution system based on the edge computing technology as claimed in claim 1, is characterized in that: the using method comprises the following steps:
A. the distribution box is accessed to an exhibition hall and an exhibition, firstly, an operator logs in a system through an account number and a password, and authority distribution is carried out on the exhibition hall and the exhibition through a role distribution unit;
B. then, an operator creates an exhibition hall and an exhibition, and monitors any exhibition box through an exhibition box control unit;
C. the operator can obtain the electric parameters such as the power consumption, the leakage current, the temperature, the voltage, the current, the power factors and the like of the electric boxes of each booth on line through the measuring and monitoring unit;
D. once abnormal signals are monitored, electric hidden dangers such as overload and electric leakage of each exhibition position can be pre-warned in advance, exhibitors and operation and maintenance personnel are informed to adjust the use load in time, and the switch can be controlled remotely and switched on and off at regular time, so that the electricity utilization safety is improved.
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