CN111049110A - Intelligent management method and system for power distribution cabinet - Google Patents
Intelligent management method and system for power distribution cabinet Download PDFInfo
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- CN111049110A CN111049110A CN201911397532.2A CN201911397532A CN111049110A CN 111049110 A CN111049110 A CN 111049110A CN 201911397532 A CN201911397532 A CN 201911397532A CN 111049110 A CN111049110 A CN 111049110A
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- metering information
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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Abstract
The invention discloses an intelligent management method and system for a power distribution cabinet, and belongs to the technical field of power distribution cabinets. The technical scheme is characterized by comprising a monitoring device and a management module which are additionally arranged, wherein the monitoring device is used for receiving and transmitting metering information of a meter; and when the metering information meets the threshold value, sending a starting signal to the corresponding functional device to enable the functional device to execute the function. The power distribution system has the advantages of timely coping with abnormal conditions and strong capability of adapting to power distribution environment change.
Description
Technical Field
The invention relates to the field of power distribution cabinets, in particular to an intelligent management method and system for a power distribution cabinet.
Background
At present, a chinese patent publication No. CN103647346B discloses "an intelligent power distribution monitoring method and a power distribution monitoring apparatus for a power distribution substation", which realizes that when a power distribution apparatus is in an abnormal condition, an abnormal power distribution apparatus is stopped and an emergency power distribution apparatus is started in time by setting a microprocessor, so as to ensure the emergency normal use of the power consumption apparatus; the recording of abnormal power distribution conditions is realized, and a power failure instruction can be sent to the terminal power distribution device through the transmission of the microprocessor and the terminal power distribution monitoring system through a wireless communication network to stop power supply. However, the technical scheme only solves the abnormal power distribution condition, and the emergency power failure through the wireless communication network requires a certain feedback time which is obviously not timely enough for the emergency condition, and meanwhile, the risk of network transmission such as packet loss and the like exists.
Another chinese patent publication No. CN103368267B discloses "a low-voltage power distribution integrated management system", which adds embedded microprocessors to each functional component, and can independently complete intelligent control under an offline condition by means of collected information and preset judgment logic. However, the power distribution system is not constant, for example, the electrical load may change frequently, and the intelligent control realized by the embedded microprocessor cannot cope with various changes conveniently.
In order to overcome the above technical problems, an intelligent management method and system for a power distribution cabinet are needed, which can respond in time to reduce risks when major abnormal conditions occur, and can conveniently change a management scheme to adapt to a new power distribution environment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an intelligent management method and system for a power distribution cabinet, so that the serious abnormal condition can be quickly responded, and meanwhile, the management scheme can be conveniently changed.
In order to achieve the purpose, the intelligent management method for the power distribution cabinet, provided by the invention, provides the following technical scheme: s01, receiving metering information of a corresponding meter on a load line by a monitoring device, and sending the metering information to a management module, wherein the management module receives the metering information; s02, when the metering information meets a preset threshold value, sending a starting signal to a function device corresponding to the load circuit; and S03, the function device responds to the starting signal and starts to execute the operation.
The invention is further optimized as follows: in the step S01, the method further includes a step S01 a: and the monitoring device responds and judges the metering information, and when the metering information accords with a preset threshold value, the monitoring device sends a starting signal to the functional device corresponding to the load circuit.
The invention is further optimized as follows: and the management module responds and judges the metering information, and when the metering information accords with a preset threshold value, the management module sends a starting signal to the functional device corresponding to the load circuit.
The invention is further optimized as follows: the management module responds and judges the metering information, when the metering information accords with a preset threshold value, the management module sends a starting signal to the monitoring device corresponding to the load circuit, and the monitoring device sends a starting signal to the function device corresponding to the load circuit.
The invention is further optimized as follows: the intelligent management method of the power distribution cabinet further comprises the following step S04, wherein the management module sends the metering information to a terminal module, and the terminal module feeds back a command signal to the management module.
The technical scheme for realizing the intelligent management system of the power distribution cabinet corresponding to the intelligent management method of the power distribution cabinet is as follows:
the utility model provides a switch board intelligent management system, includes functional device and counter, the functional device starts the execution operation after receiving the enabling signal, management system still includes: the monitoring device is in communication connection with the meter and receives metering information of the meter; and the management module is in communication connection with the monitoring device and receives the metering information sent by the monitoring device.
The invention is further optimized as follows: and the monitoring device responds and judges the metering information, and when the metering information accords with a preset threshold value, the monitoring device sends a starting signal to the corresponding functional device.
The invention is further optimized as follows: and the management module responds and judges the metering information, and when the metering information accords with a preset threshold value, the management module sends a starting signal to the corresponding functional device.
The invention is further optimized as follows: the management module responds and judges the metering information, when the metering information accords with a preset threshold value, the management module sends a starting signal to the corresponding monitoring device, and the monitoring device sends a starting signal to the corresponding functional device.
The invention is further optimized as follows: the management system further comprises a terminal module, the terminal module is in communication connection with the management module, the management module sends the metering information to the terminal module, and the terminal module feeds back a command signal to the management module.
In summary, the invention has the following advantages:
firstly, a scheme of multi-starting a functional device is adopted, and risks are relieved through multiple guarantees;
secondly, the modification of the starting threshold value of the functional device is convenient, and the power distribution condition can be managed more accurately and intelligently;
and thirdly, wired and wireless communication are combined with each other, so that the risk of wireless communication is reduced.
Drawings
FIG. 1 is a first schematic flow chart of an embodiment of an intelligent management system for a power distribution cabinet according to the present invention;
FIG. 2 is a schematic flow chart of an embodiment of the monitoring device of the present invention;
FIG. 3 is a flow diagram illustrating an embodiment of a management module of the present invention;
FIG. 4 is a schematic flow chart of the cooperative manner of the management module and the monitoring device according to the present invention;
FIG. 5 is a second schematic flow chart of an embodiment of the intelligent management system for power distribution cabinets of the present invention;
FIG. 6 is a schematic flow chart illustrating an embodiment of a warning device according to the present invention;
fig. 7 is an embodiment of the intelligent management system of the power distribution cabinet of the present invention.
Detailed Description
First, features in the embodiments and examples in the present application may be combined with each other without conflict; the second, communication connection in this application, refers to connection between the two through wired or wireless information transmission, and at least one-way communication between the two is possible. The present invention will be described in further detail with reference to the accompanying drawings.
Implementation mode of intelligent management system of power distribution cabinet
As shown in fig. 1, the intelligent management system for power distribution cabinets of the present invention includes a functional device, wherein the functional device is provided with a receiving end for receiving a start signal, and after receiving the start signal, the functional device is started to execute a functional operation thereof; specifically, the functional device may be a device having an overload or short-circuit protection function such as a thermal relay, a thermal trip, and a fuse, or may be a device having a function of cutting off a path or adjusting a line such as a leakage current protection switch, an air switch, and a dual power supply automatic transfer switch.
The meter is an instrument capable of providing various parameters of circuits in a bus line and each sub-line, and is additionally provided with an output port for outputting metering information; in particular, the meter may be an electric energy meter, an ammeter, a voltmeter, or the like having some parameters of the metering circuit.
The monitoring device is in communication connection with the meter, and because the loads carried by different sub-lines connected from the power distribution cabinet are different, the electricity utilization parameters needing to be collected and paid attention to are different, the monitoring device and the meter can be arranged on different sub-lines in a matched mode, and management can be conducted more pertinently and more intelligently; obviously, the meter transmits the metering information to the monitoring device matched with the meter in a one-way manner, and the monitoring device is provided with a receiving end for receiving the metering information transmitted by the meter; the monitoring device is also provided with an output end which can at least transmit the received metering information. Specifically, the monitoring device can be realized by a microcontroller (single chip microcomputer), and although the function is relatively single, the monitoring device can be competent for the functions required by the system and has price advantage; of course, the monitoring device can also be a microprocessor, which has more functions and stronger processing capability, and is more convenient for realizing other requirements in the later period, such as modifying a preset threshold value and the like.
The system comprises a management module, a monitoring device and a monitoring module, wherein the management module is provided with an input end and an output end, is in communication connection with the monitoring device and receives metering information sent by the monitoring device; the metering information of each sub-line received by each monitoring device is sent to the management module. Specifically, the management module may be a computer or a server, and a user may modify the preset threshold value with a right through the management module to adapt to a newly changed power distribution system; preferentially, the local computer is connected with other devices or modules needing communication in a wired mode, transmission and response time can be shortened, risks of wireless transmission are eliminated, and therefore countermeasures can be timely taken for abnormal conditions of the power distribution cabinet.
An optimized implementation mode is characterized in that a terminal module is additionally arranged in an intelligent management system of a power distribution cabinet, the terminal module is in communication connection with a management module, the management module can preprocess all received metering information, such as information drying and normalization, and then send the processed metering information to the terminal module, after the terminal module receives the information, the terminal module can check and analyze power distribution conditions through program analysis or manual analysis, and feed back command signals to the management module according to setting or requirements, and the management module responds to the command signals and executes the command signals. Particularly, the terminal module can be a remote computer or a mobile phone terminal, and is more convenient to view and control.
As shown in fig. 2, the monitoring device has a built-in judgment program and a preset threshold, and is directly connected with the functional device corresponding to the same load circuit in a communication manner; when the metering information is received, the monitoring device responds and judges the metering information; and when the metering information accords with the preset threshold value, the monitoring device sends a starting signal to the corresponding functional device. In the technical scheme, the monitoring device has at least two beneficial effects: firstly, when the functional device fails and accords with the self starting condition but does not execute the functional operation, the monitoring device also receives abnormal metering information, and sends a starting signal to enable the functional device to execute when the functional device accords with the preset threshold value, and synchronously transmits the abnormal metering information to the management module, so that the functional device is ensured to be started in time, and the safety of a circuit is ensured; secondly, the preset threshold value of the monitoring device can be modified and reset according to the actual demand conditions, such as the need of adjusting the power factor, the maximum current of the limiting circuit and the like, so that the power supply of the power distribution cabinet can be managed more accurately and intelligently.
As shown in fig. 3, the management module is internally provided with a judgment program and preset with a threshold, and the management module is directly connected with each functional device in a communication way; when the metering information is received, the management module responds and judges the metering information, and when the metering information accords with a preset threshold value, the management module sends a starting signal to a functional device on a load circuit corresponding to the metering information.
Obviously, the technical scheme also has the same beneficial effects in the monitoring device; the threshold judgment and comparison of the management module can be directly judged by a program or realized by manual judgment; and moreover, the management module receives the metering information of each line, the threshold value modification on the management module is more convenient, the threshold value of each line can be modified according to actual needs, and the method is more convenient and quicker.
As shown in fig. 4, the management module is internally provided with a judgment program and preset with a threshold, and the management module is in bidirectional communication connection with each monitoring device; when the metering information is received, the management module responds and judges the metering information, and when the metering information accords with a preset threshold value, the management module feeds back a starting signal to a corresponding monitoring device in an original way; the monitoring device is in communication connection with the functional device corresponding to the same load circuit, and after receiving the starting signal sent by the management module, the monitoring device sends the starting signal to the functional device.
According to the technical scheme, a management module is an upper computer of a monitoring device and sends a command according to metering information; the monitoring device is a lower computer, interprets the command into a corresponding time sequence signal to directly control corresponding functional equipment, reads the metering information of the meter according to the set time, and then converts the metering information into a digital signal to feed back to the upper computer. In the technical scheme, the whole intelligent management system of the power distribution cabinet has simple and clear lines, and simultaneously has the beneficial effects of the implementation mode.
As shown in fig. 1 and 5, the intelligent management system of the power distribution cabinet is provided with a terminal module, the start signal of the functional device in the system is controlled by the terminal module, the terminal module and the management module are communicated with each other, and the functional device is controlled by sending a command signal to the management module. In one embodiment, the management module communicates directly with each functional device and controls the functional device by sending an activation signal; in another embodiment, the management module communicates with each monitoring device to transmit a start signal, each monitoring device communicates with a corresponding functional device, and the start signal is transmitted to the corresponding functional device after receiving the start signal transmitted by the management module. The starting signal is not specifically referred to herein, but it is convenient to describe the flow of the system operation, and it is obvious that in practice, the starting signal sent by the management module to the monitoring device and the starting signal sent by the monitoring device to the function device are not necessarily the same, as long as the target function is achieved.
Another kind of modified embodiment, among all above-mentioned technical scheme, can also add warning device among this switch board intelligent management system, warning device can set up near corresponding load circuit, and warning device is equipped with the input and can receives the warning signal and start the operation after receiving the warning signal, plays warning effect through forms such as sound, light, also can play the convenient maintenance of fault location.
The implementation mode of starting the warning device can send a warning signal to the warning device corresponding to the load line by the management module or the monitoring device while sending a starting signal to the function device.
As shown in fig. 6, in another embodiment of the start-up warning device, when the start-up of the functional device is implemented by using the management module and the monitoring device as upper and lower computers, the management module sends a start-up signal to the monitoring device and sends a warning signal to the warning device on the corresponding load line.
As shown in fig. 7, in this embodiment, the management module is a computer, the monitoring device is a microcontroller, the meter is an ammeter, the function device is a circuit breaker, the warning device is an audible and visual alarm, the terminal module is a mobile phone, and the metering information is current information; the microcontroller reads the current information of the ammeter in real time, converts the current information into digital information and transmits the digital information to the computer, a program for receiving and recording the current information is installed in the computer, and the program can further process the current information and then display the current information on a mobile phone terminal. Obviously, the recorded current information can be analyzed and summarized to obtain a more efficient and more appropriate power distribution cabinet management scheme.
The mobile phone end user logs in the program by using the account password, a judgment threshold value can be preset in the program, when the judgment threshold value is met, the user is reminded of abnormal information and requests whether to feed back a command signal to a computer, and obviously, the user can also judge whether to feed back the command signal by manually analyzing the current information.
After the mobile phone end feeds back a command signal to the computer, the computer sends a warning signal to the audible and visual alarm and synchronously sends a starting signal to the circuit breaker controlling the circuit measured by the ammeter; the audible and visual alarm responds to the warning signal to start the audible and visual warning function, and the circuit breaker responds to the starting signal to cut off the circuit or switch the power supply. Meanwhile, a maintainer can immediately find a fault circuit in the power distribution cabinet according to the audible and visual alarm to repair and remove faults.
Implementation mode of intelligent management method of power distribution cabinet
With reference to the above embodiment of the intelligent management system for a power distribution cabinet, the intelligent management method for a power distribution cabinet at least includes the following steps: s01, the monitoring device receives the metering information of the corresponding meter on the load circuit and sends the metering information to the management module, and the management module receives the metering information; s02, when the metering information accords with the preset threshold value, sending a starting signal to a functional device corresponding to the load circuit; and S03, the functional device responds to the starting signal and starts to execute the operation. According to the technical scheme, the power distribution management method is more intelligent, and the corresponding functional devices can be automatically started to deal with abnormal conditions in time by presetting or modifying the threshold values, so that risks are reduced.
In a more preferred embodiment, after the monitoring device receives the metering information of the corresponding meter on the load line in step S01, the method further includes step S01 a: the monitoring device automatically responds and judges the metering information, and when the metering information accords with a preset threshold value, the monitoring device sends a starting signal to the functional device corresponding to the load circuit.
In a preferred embodiment, after the management module receives the metering information, the management module automatically responds and determines the metering information, and when the metering information meets a preset threshold, the management module sends a start signal to the functional device corresponding to the load line.
In a more preferred embodiment, after the management module receives the metering information, the management module automatically responds and determines the metering information, and when the metering information meets a preset threshold, the management module sends a start signal to the monitoring device corresponding to the load line, and then the monitoring device sends a start signal to the functional device corresponding to the load line.
In a more preferred embodiment, the method further includes step S04: the management module sends the metering information to the terminal module, and the terminal module feeds back a command signal to the management module.
Obviously, the beneficial effects of the foregoing embodiments of the intelligent management method for a power distribution cabinet have corresponding descriptions in the embodiments corresponding to the intelligent management system for a power distribution cabinet, and are not further described here.
The above description is only a preferred embodiment or example of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The intelligent management method of the power distribution cabinet is characterized by comprising the following steps of:
s01, the monitoring device receives metering information of a corresponding meter on the load circuit and sends the metering information to a management module, and the management module receives the metering information;
s02, when the metering information meets a preset threshold value, sending a starting signal to a function device corresponding to the load circuit;
and S03, the function device responds to the starting signal and starts to execute the operation.
2. The intelligent management method for the power distribution cabinets according to claim 1, wherein in the step of S01, the method further comprises the step of S01 a: and the monitoring device responds and judges the metering information, and when the metering information accords with a preset threshold value, the monitoring device sends a starting signal to the functional device corresponding to the load circuit.
3. The intelligent management method for the power distribution cabinet according to claim 1, wherein the management module responds to and judges the metering information, and when the metering information meets a preset threshold, the management module sends a start signal to the functional device corresponding to the load line.
4. The intelligent management method for the power distribution cabinet according to claim 1, wherein the management module responds to and judges the metering information, when the metering information meets a preset threshold, the management module sends a starting signal to the monitoring device corresponding to the load line, and the monitoring device sends a starting signal to the function device corresponding to the load line.
5. The intelligent management method for the power distribution cabinet according to claim 1, further comprising the step of S04: and the management module sends the metering information to a terminal module, and the terminal module feeds back a command signal to the management module.
6. The utility model provides a switch board intelligent management system, includes functional device and counter, its characterized in that, the functional device starts the execution operation after receiving the enabling signal, management system still includes: the monitoring device is in communication connection with the meter and receives metering information of the meter; and the management module is in communication connection with the monitoring device and receives the metering information sent by the monitoring device.
7. The intelligent management system for power distribution cabinets of claim 6, characterized in that: and the monitoring device responds and judges the metering information, and when the metering information accords with a preset threshold value, the monitoring device sends a starting signal to the corresponding functional device.
8. The intelligent management system for power distribution cabinets of claim 6, characterized in that: and the management module responds and judges the metering information, and when the metering information accords with a preset threshold value, the management module sends a starting signal to the corresponding functional device.
9. The intelligent management system for power distribution cabinets of claim 6, characterized in that: the management module responds and judges the metering information, when the metering information accords with a preset threshold value, the management module sends a starting signal to the corresponding monitoring device, and the monitoring device sends a starting signal to the corresponding functional device.
10. The intelligent management system for power distribution cabinets of claim 6, characterized in that: the management system further comprises a terminal module, the terminal module is in communication connection with the management module, the management module sends the metering information to the terminal module, and the terminal module feeds back a command signal to the management module.
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| CN201911397532.2A CN111049110A (en) | 2019-12-30 | 2019-12-30 | Intelligent management method and system for power distribution cabinet |
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| CN201911397532.2A CN111049110A (en) | 2019-12-30 | 2019-12-30 | Intelligent management method and system for power distribution cabinet |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115882A1 (en) * | 2015-01-20 | 2016-07-28 | 华为技术有限公司 | Power supply control device and power supply control method |
| CN209561900U (en) * | 2019-03-14 | 2019-10-29 | 天津市中力神盾电子科技有限公司 | Intelligent power supply and distribution system |
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- 2019-12-30 CN CN201911397532.2A patent/CN111049110A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016115882A1 (en) * | 2015-01-20 | 2016-07-28 | 华为技术有限公司 | Power supply control device and power supply control method |
| CN209561900U (en) * | 2019-03-14 | 2019-10-29 | 天津市中力神盾电子科技有限公司 | Intelligent power supply and distribution system |
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