CN112034246A - Energy management controller and energy management method - Google Patents
Energy management controller and energy management method Download PDFInfo
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Abstract
The invention relates to an energy management controller and an energy management method, comprising an energy consumption acquisition module, a power control module, a utilization rate statistic module and a main control operation module; the main control operation module adjusts the power of the electric equipment according to the real-time total power and the utilization rate of the electricity consumption of the electric appliances in the electricity utilization place, and the adjusting mode comprises the following three modes: when the number of people in the electricity utilization place is larger than a threshold value, adjusting the power of the electric equipment according to the environmental parameters of the electricity utilization place; when the number of people in the power utilization place is less than a threshold value, limiting the total power of all power utilization appliances in the power utilization place in real time; when the number of people in the electricity utilization place is 0, all the common electricity utilization equipment in the electricity utilization place is closed; whether the situation of power consumption waste exists in the power utilization place is judged by collecting the power utilization real-time total power, the environmental parameters and the number of people in the power utilization place, and three adjusting modes are provided according to the judging result, so that the power consumption is effectively saved, and the power utilization efficiency is improved.
Description
Technical Field
The invention relates to the technical field of energy management, in particular to an energy management controller and an energy management method.
Background
In recent years, the intelligent degree of the electric appliances of the power user terminal is continuously improved, and the quantity and the types of the electric appliances are continuously increased, so that the unified management of the intelligent electric appliances by the power user becomes the real and urgent need of the user. The development of the internet of things technology and smart home provides a plurality of management control schemes for power consumers, and the realized functions are mainly focused on remote control or convenient management, but effective electric appliance coordination and energy-saving schemes are not provided for the power consumers.
With the development of smart grid technology, people have gradually attracted attention to reduce the cost of power supply and demand balance through the demand side response of terminal power users. Therefore, by means of the intelligent energy measuring device in the intelligent power grid and the configuration of the intelligent terminal of the power consumer at the home power consumer, the home energy optimal management and the coordination control of home appliances can be realized while the bidirectional communication with the intelligent electric meter is realized. In addition, the rapid development of power terminal electrical appliances such as renewable energy sources, household charging automobiles, energy storage and the like improves the diversification of power supply and also brings great challenges to the energy optimization management of power consumers.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an energy management controller and an energy management method, which can manage electric devices in various scenarios, so as to be more energy-saving and efficient.
The invention relates to an energy management controller, which comprises an energy consumption acquisition module, a power control module, a utilization rate statistic module and a main control operation module;
the energy consumption acquisition module is used for acquiring trunk energy consumption data and branch energy consumption data in the tree-shaped power supply network, and simultaneously corresponding the last stage of branch power supply network with an electricity utilization place so as to obtain energy consumption data of the corresponding place;
the power control module is arranged at the place where the last-stage branch power supply network of the tree-shaped power supply network is located and is connected into a controller of the electric equipment at the place, and the power control module is used for receiving a control instruction of the main control operation unit and controlling the electric equipment in the corresponding electric equipment according to the control instruction;
the utilization rate statistical module is arranged at the place of the last-stage branch power supply network of the tree-shaped power supply network, and is used for collecting the working state and the number of people of the electric equipment in the power utilization place so as to calculate the utilization rate of the electric equipment and sending the utilization rate to the main control operation module;
the main control operation module is used for receiving the energy consumption data and the utilization rate of the energy consumption acquisition module and the utilization rate statistics module and controlling the working state of the electric equipment through the power control module according to the energy consumption data and the utilization rate.
Further, the main control operation unit comprises a main control PC and a switching device, the main control PC is connected with the switching device through a data line, and the switching device is used for accessing all the energy consumption acquisition modules, the power control modules and the utilization rate statistical modules in the tree-shaped power supply network.
Furthermore, the energy consumption acquisition module and the power control module comprise an STM32 single chip microcomputer, a networking module, a current transformer, a voltage transformer and an electric energy metering chip, the networking module and the electric energy metering chip are connected with the STM32 single chip microcomputer through serial ports, and the current transformer and the voltage transformer are connected with the electric energy metering chip; the STM32 single chip microcomputer is connected with a controller of the electric equipment through a data serial port; the STM32 single chip microcomputer is connected to the switching equipment of the main control operation unit through a networking module; the current transformer and the voltage transformer are sleeved on a trunk line or a strut line in the tree-shaped power supply network.
Further, the rate of utilization statistics module includes light sensor, temperature sensor and people statistics camera, light sensor and temperature sensor with the IO pin that has the analog-to-digital conversion function on the STM32 singlechip is connected, the people statistics camera pass through the serial ports with the STM32 singlechip is connected.
The invention also provides an energy management method, which comprises the following steps:
collecting the total real-time power utilization power and the utilization rate of electric appliances in a power utilization place in the tree-shaped power supply network by using an energy consumption collecting module and a utilization rate counting module;
the main control operation module adjusts the power of the electric equipment according to the real-time total power and the utilization rate of the electricity consumption of the electric appliances in the electricity utilization place, and the adjusting mode comprises the following three modes:
(1) when the number of people in the electricity utilization place is larger than a threshold value, adjusting the power of the electric equipment according to the environmental parameters of the electricity utilization place;
(2) when the number of people in the power utilization place is less than a threshold value, limiting the total power of all power utilization appliances in the power utilization place in real time;
(3) and when the number of people in the electricity utilization place is 0, all the common electricity utilization equipment in the electricity utilization place is closed.
The invention has the beneficial effects that: according to the energy management controller and the energy management method, the situation that power consumption is wasted in the power utilization place is judged by collecting the real-time total power of the power utilization in the power utilization place, the environmental parameters and the number of people, the total power of the power utilization in the power utilization place is automatically adjusted according to the judgment result, and meanwhile, three adjusting modes are provided according to the number of people, so that the power consumption is effectively saved, and the power utilization efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Taking an office building mainly for office work as an example, because the mobility of personnel in the office building is large, an air conditioning system, a lighting system and a fresh air system in the office building are always operated during working, but once the electric equipment is frequently forgotten to be turned off after work, a large amount of electric energy is wasted, and therefore an energy management controller and an energy management method are needed to improve the situation.
As shown in fig. 1: the energy management controller of the embodiment comprises an energy consumption acquisition module, a power control module, a utilization rate statistic module and a main control operation module; the main control operation module is arranged in a communication machine room of an office building, the consumption acquisition module is arranged in a strong electricity well of each floor, the power control module is additionally arranged at the control end of each electric device, such as controllers of a central air conditioning system, a lighting system and a fresh air system, and the utilization rate statistical module is arranged at an entrance and an exit of the office place.
The energy consumption acquisition module is mainly used for acquiring trunk energy consumption data and support rod energy consumption data in a tree-shaped power supply network, most of the existing power supply networks adopt tree-shaped structures, and wires connected out from distribution boxes in a high-power well in each floor of an office building are generally the last level of the tree-shaped structures, namely the level accessed by electric equipment; the energy consumption acquisition module is used for transmitting the acquired energy consumption data to the main control operation module for statistics and management.
The power control module is arranged at the place where the last-stage branch power supply network of the tree-shaped power supply network is located and is connected into a controller of the electric equipment at the place, and the power control module is used for receiving the control instruction of the main control operation unit and controlling the electric equipment in the corresponding electric equipment according to the control instruction.
The utilization rate counting module is arranged at the place of the last-stage branch power supply network of the tree-shaped power supply network, and the utilization rate counting module is used for collecting the working state and the number of people of the electric equipment in the power utilization place to calculate the utilization rate of the electric equipment and sending the utilization rate to the main control operation module.
The main control operation module is used for receiving the energy consumption data and the utilization rate of the energy consumption acquisition module and the utilization rate statistics module and controlling the working state of the electric equipment through the power control module according to the energy consumption data and the utilization rate.
In this embodiment, the energy consumption acquisition module and the power control module specifically include an STM32 single chip microcomputer, a networking module, a current transformer, a voltage transformer and an electric energy metering chip, the networking module and the electric energy metering chip are both connected with the STM32 single chip microcomputer through serial ports, and signal output ends of the current transformer and the voltage transformer are connected with a signal input pin of the electric energy metering chip; the STM32 single chip microcomputer is connected with a controller of the electric equipment through a data serial port; the STM32 single chip microcomputer is connected to the switching equipment of the main control operation unit through the networking module; the main control operation unit comprises a main control PC and a switching device, the main control PC is connected with the switching device through a data line, the switching device is used for accessing all the energy consumption acquisition modules, the power control modules and the utilization rate statistic modules in the tree-shaped power supply network, and the switching device can be a wired or wireless switching device. The rate of utilization statistics module includes light sensor, temperature sensor and number statistics camera, and light sensor and temperature sensor are connected with the IO pin that has the analog-to-digital conversion function on the STM32 singlechip, and the number statistics camera passes through the serial ports and is connected with STM32 singlechip.
The current transformer and the voltage transformer are sleeved on an input main cable and an output branch cable of a distribution box in a strong electric well in each floor of an office building, the STM32 single chip microcomputer is divided into a first STM32 single chip microcomputer, a second STM32 single chip microcomputer and a third STM32 single chip microcomputer, networking modules are arranged at the serial ports of the first STM32 single chip microcomputer, the second STM32 single chip microcomputer and the third STM32 single chip microcomputer, the first STM32 single chip microcomputer, the second STM32 single chip microcomputer and the third STM32 single chip microcomputer are connected into a router or a switch of the floor through a wired or wireless network and are connected into a switching device of a communication machine room in the stair; the first STM32 single chip microcomputer is arranged in the strong electric well and used for being connected with an electric energy metering chip, a current transformer and a voltage transformer, and the second STM32 single chip microcomputer is arranged at a controller of electric equipment and connected with the controller of the electric equipment through a serial port line; the third STM32 singlechip sets up in the office space for connect light sensor, temperature sensor and number of people statistics camera.
The energy management controller is implemented by referring to an energy management method, and the implementation steps comprise:
the method comprises the steps that a current transformer and a voltage transformer in an energy consumption acquisition module are used for acquiring the real-time total power of electricity in an electricity utilization place in a power supply network, and meanwhile, a light sensor, a temperature sensor and a people counting lens in a utilization rate counting module or corresponding environment parameters in an office place are used;
the main control operation module adjusts the power of the electric equipment according to the real-time total power and the utilization rate of the electricity consumption of the electric appliances in the electricity utilization place, and the adjusting mode comprises the following three modes:
(1) when the number of people in the electricity utilization place is larger than a threshold value, the power of the electric equipment is adjusted according to the environmental parameters of the electricity utilization place, for example, the number of people is more in the normal working time of an office building, the power of a central air conditioning system and a fresh air system is directly and automatically adjusted according to the temperature parameters, and the power of a lighting system is adjusted according to the environmental brightness, so that the office environment is more suitable;
(2) when the number of people in the power utilization place is less than the threshold value, the real-time total power of the power utilization of all the power utilization electric appliances in the power utilization place is limited, for example, the time of next shift, a part of people leave the next shift, and a part of people shift, at the moment, under the condition of maintaining proper temperature, the central air conditioning system and the fresh air system do not need too much power, so that the total power is limited, the rest people can adjust the illumination brightness and the air conditioning temperature according to self feeling, and the next part of electric energy is saved;
(3) when the number of people in the power utilization place is 0, all the common power utilization equipment in the power utilization place is closed, and the waste of power is avoided.
According to the energy management controller and the energy management method, the situation that power consumption is wasted in the power utilization place is judged by collecting the real-time total power of the power utilization in the power utilization place, the environmental parameters and the number of people, the total power of the power utilization in the power utilization place is automatically adjusted according to the judgment result, and meanwhile, three adjusting modes are provided according to the number of people, so that the power consumption is effectively saved, and the power utilization efficiency is improved.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (5)
1. An energy management controller, comprising: the device comprises an energy consumption acquisition module, a power control module, a utilization rate statistic module and a main control operation module;
the energy consumption acquisition module is used for acquiring trunk energy consumption data and branch energy consumption data in the tree-shaped power supply network, and simultaneously corresponding the last stage of branch power supply network with an electricity utilization place so as to obtain energy consumption data of the corresponding place;
the power control module is arranged at the place where the last-stage branch power supply network of the tree-shaped power supply network is located and is connected into a controller of the electric equipment at the place, and the power control module is used for receiving a control instruction of the main control operation unit and controlling the electric equipment in the corresponding electric equipment according to the control instruction;
the utilization rate statistical module is arranged at the place of the last-stage branch power supply network of the tree-shaped power supply network, and is used for collecting the working state and the number of people of the electric equipment in the power utilization place so as to calculate the utilization rate of the electric equipment and sending the utilization rate to the main control operation module;
the main control operation module is used for receiving the energy consumption data and the utilization rate of the energy consumption acquisition module and the utilization rate statistics module and controlling the working state of the electric equipment through the power control module according to the energy consumption data and the utilization rate.
2. The energy management controller according to claim 1, wherein: the main control operation unit comprises a main control PC and a switching device, the main control PC is connected with the switching device through a data line, and the switching device is used for accessing all the energy consumption acquisition modules, the power control modules and the utilization rate statistical modules in the tree-shaped power supply network.
3. An energy management controller according to claim 2, wherein: the energy consumption acquisition module and the power control module comprise an STM32 single chip microcomputer, a networking module, a current transformer, a voltage transformer and an electric energy metering chip, the networking module and the electric energy metering chip are connected with the STM32 single chip microcomputer through serial ports, and the current transformer and the voltage transformer are connected with the electric energy metering chip; the STM32 single chip microcomputer is connected with a controller of the electric equipment through a data serial port; the STM32 single chip microcomputer is connected to the switching equipment of the main control operation unit through a networking module; the current transformer and the voltage transformer are sleeved on a trunk line or a strut line in the tree-shaped power supply network.
4. An energy management controller according to claim 3, wherein: the rate of utilization statistics module includes light sensor, temperature sensor and number statistics camera, light sensor and temperature sensor with the IO pin that has the analog-to-digital conversion function on the STM32 singlechip is connected, the number statistics camera pass through the serial ports with the STM32 singlechip is connected.
5. An energy management method is characterized in that: the method comprises the following steps:
collecting the total real-time power utilization power and the utilization rate of electric appliances in a power utilization place in the tree-shaped power supply network by using an energy consumption collecting module and a utilization rate counting module;
the main control operation module adjusts the power of the electric equipment according to the real-time total power and the utilization rate of the electricity consumption of the electric appliances in the electricity utilization place, and the adjusting mode comprises the following three modes:
(1) when the number of people in the electricity utilization place is larger than a threshold value, adjusting the power of the electric equipment according to the environmental parameters of the electricity utilization place;
(2) when the number of people in the power utilization place is less than a threshold value, limiting the total power of all power utilization appliances in the power utilization place in real time;
(3) and when the number of people in the electricity utilization place is 0, all the common electricity utilization equipment in the electricity utilization place is closed.
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| CN202010887763.8A CN112034246A (en) | 2020-08-28 | 2020-08-28 | Energy management controller and energy management method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114495446A (en) * | 2022-01-04 | 2022-05-13 | 珠海格力电器股份有限公司 | Energy consumption monitoring alarm method and device, computing equipment and storage medium |
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