阅读说明：本技术 一种参与电网需求侧响应的智能负荷插座及其远程控制平台 (Intelligent load socket participating in power grid demand side response and remote control platform thereof ) 是由 黄晓辉 崔华 徐波 于 2020-04-20 设计创作，主要内容包括：本发明公开了一种参与电网需求侧响应的智能负荷插座及其远程控制平台,所述智能负荷插座用于进行负荷控制和用户节点用电数据采集,并将采集数据信息上传到远程控制平台,远程控制平台将所有远程连接的用户整合在一起,以负荷集成商的形式通过对用户负荷的智能控制来参与电网的需求侧响应和调峰等电力辅助服务。本发明以智能负荷插座为核心,建立了居民和商业用户设备负荷参与电网需求侧响应的基础,远程控制平台通过网络来成为负荷集成商的角色来参与电网需求侧响应,为用户广泛地需求侧响应提供了一种全新的可行方式,将极大地促进电力需求量响应的快速推广和应用。(The invention discloses an intelligent load socket participating in power grid demand side response and a remote control platform thereof, wherein the intelligent load socket is used for carrying out load control and user node electricity utilization data acquisition and uploading acquired data information to the remote control platform, and the remote control platform integrates all remotely connected users together and participates in power auxiliary services such as demand side response, peak regulation and the like of a power grid through intelligent control on user loads in the form of load integration businessmen. The intelligent load socket is taken as a core, the basis that the loads of residential and commercial user equipment participate in the response of the power grid demand side is established, the remote control platform plays a role of a load integrator through the network to participate in the response of the power grid demand side, a brand-new feasible way is provided for the wide demand side response of a user, and the rapid popularization and application of the power demand response are greatly promoted.)

1. The intelligent load socket is connected with a remote control platform and a load, and is used for carrying out load control and user node electricity consumption data acquisition and uploading acquired data information to the remote control platform.

2. The smart load socket participating in power grid demand side response as claimed in claim 1, wherein the smart load socket comprises a metering chip, an embedded processor and data storage, a display screen and setting keys, a load device wired and/or wireless communication circuit, a remote communication interface, a hardware encryption unit and a temperature measurement circuit;

the intelligent load socket controls an intelligent air switch or other switches to realize the start and stop of load equipment or directly communicate with the load equipment in a wireless communication and/or wired communication mode;

or, an electrical switch is arranged in the intelligent load socket to directly control the on-off of the load equipment.

3. The smart load socket participating in power grid demand side response as claimed in claim 2, wherein the embedded processor is responsible for implementation of calculation algorithms, reading of electricity quantity of a metering chip, key processing, display output, communication control signal output, remote communication control signal reception and output;

an external voltage and current signal is connected to a metering chip, the metering chip is responsible for calculating electric quantity in real time, the metering chip is directly connected to an SPI bus of an embedded processor, and the embedded processor reads electric quantity data through the SPI bus;

the display screen and the setting keys are used for displaying of the intelligent load socket and parameter setting input, the display screen and the setting keys can be directly connected to an IO port of the embedded processor, parameters of a metering algorithm are set through the keys, and the display screen displays information for man-machine interaction;

the data storage unit is controlled by the embedded processor and stores necessary electric quantity data and parameters;

the wired and/or wireless communication circuit of the load equipment and the communication of the remote control platform are controlled by the embedded processor, the embedded processor controls the start and stop of the equipment through wired and/or wireless communication, and the real-time state monitoring of the load curve of the equipment is realized.

4. The intelligent load socket participating in power grid demand side response as claimed in claim 2 or 3, wherein, in order to ensure data communication security and remote control security with a remote control platform, an encryption chip unit is arranged inside the intelligent load socket, the encryption chip unit conforms to national confidentiality requirements and specifications, and various symmetric and asymmetric algorithms are integrated inside the intelligent load socket;

the communication data between the embedded processor inside the intelligent load socket and the load equipment and the communication data between the embedded processor inside the intelligent load socket and the remote control platform are received and sent through the encryption chip unit to carry out encryption processing, so that the data safety is ensured.

5. A smart load socket participating in power grid demand side response according to claim 4, wherein the metering chip meters not only power and electric quantity when the user equipment is powered up, but also response electric quantity ψ during load control_i(k) The measured response electric quantity valueThe actual power consumption during the load control is subtracted from the product of the power consumption at the starting moment of the load control and the load control duration, wherein i is more than or equal to 1, and i is represented by the ith user in the user load pool participating in the response of the demand side.

6. The smart load socket participating in grid demand side response as recited in claim 5, wherein in order to not affect the use habit of the user when making demand side response, a temperature measuring circuit is provided in the smart load socket;

the temperature measuring circuit can read the water temperature or the ambient temperature from a water heater and air conditioning equipment through a wired or wireless communication circuit;

when the ambient temperature of the air conditioner is high, the air conditioner avoids participating in demand reduction response as much as possible so as to avoid influencing the body feeling of a user, and avoids the water heater participating in demand side response as much as possible in the hot water using period of the user.

7. The smart load socket participating in power grid demand side response as recited in any one of claims 1-6, wherein the load device wired circuit is an RS485 or P L C power carrier communication circuit, and the wireless communication circuit is a WiFi, Bluetooth or infrared communication circuit.

8. A remote control platform for the smart load socket as claimed in any one of claims 1 to 7, wherein the remote control platform is connected to the smart load socket, integrates all remotely connected users together to form a user load pool, and participates in the power auxiliary service including demand side response and peak shaving of the power grid through intelligent control of the user load in the form of a load integrator, and the overall control strategy is as follows:

(1) the remote control platform is connected with a power grid or a government demand side response platform, and the total regulated load psi (k) participating in demand side response is determined according to the total regulated load predicted by the remote control platform at present and according to a function trading response strategy executed by the remote control platform, wherein k is represented as the current moment;

(2) the remote control platform predicts the current load amount psi which each user can respond to according to the real-time load curve of the user_i(k) And duration T of the response_i(k) Distributing a load control instruction to each user node by combining the online user number accessed by the remote control platform and a load distribution optimization strategy, wherein i is more than or equal to 1 and is represented as the ith user in a user load pool participating in the response of the demand side;

the load distribution optimization strategy is the most economic distribution principle, distributionThe number n of users for load control is the minimum, and the sum of the time for which the response can be continued is the longest, which is specifically represented by the following formula:where n-min (∑ i) takes the minimum value,

(3) the user takes the intelligent load socket as a unit, responds to a load control instruction issued by the remote control platform, and records the actual load power p when the response is started_i(k) Time T of continuous response as load response measure_i(k) And the amount of electricity actually used during load controlUploading the actual response load electric quantity of the internal measurement in real time to

(4) The remote control platform responds to the power consumption psi according to the actual load_i(k) And obtaining the benefits, wherein the benefits are not limited to the benefits participating in demand response and peak shaving benefits, and the user shares the related benefits according to the load electric quantity of the actual response and the agreement with the platform.

Technical Field

The invention relates to the technical field of Internet of things and electrical measurement control, in particular to an intelligent load socket participating in power grid demand side response and a remote control platform thereof.

Background

With the gradual trend of the domestic generated energy and the electricity consumption in balance, the electricity consumption gradually increases and becomes gentle, a power grid does not have the condition of large-scale investment for power transmission and distribution, and the asset operation efficiency needs to be improved urgently under the existing power transmission and distribution network, so that power auxiliary services such as demand side response, frequency modulation and peak shaving become an important way for solving the problem at present. At present, demand side response and frequency modulation peak shaving are mainly concentrated on industrial users and power plants, and a large number of residential users and commercial users basically participate in the frequency modulation peak shaving, according to statistics, electricity consumption of the residential users and electricity consumption of the commercial users account for more than 30% of total electricity consumption of the whole society, and how to incorporate the residential users into power auxiliary services such as demand side response and peak shaving of a power grid is an urgent affair, so that a load control device and a load control platform which can realize the capacity of the residential users and the commercial users are needed.

According to the research, there are electronic sockets on the market that can control the user load devices, but the following problems are common: firstly, the communication mechanism with load equipment such as a water heater, an air conditioner, a washing machine and the like is lacked, the equipment can only be started and stopped according to a preset time interval, real-time control cannot be achieved, the load equipment can not participate in demand side response, peak regulation demand and the like of a power grid naturally, and meanwhile, the load equipment can only be started and stopped according to the set time interval and is not linked with the actual use demand of a user, so that the user often quits from start and stop control in practical use; secondly, due to the lack of an encryption unit inside, the equipment control of a user is easy to be invaded from the outside, and uncertain safety risks can be brought; and thirdly, the metering unit must adopt an authenticated metering chip and data encryption, otherwise, the data is difficult to accept and recognize by a demand side response platform or other platforms. And fourthly, the existing electronic socket basically adopts WIFI local area network signals as a wireless communication mode, is easily restricted by the internal network environment of a user, so that the online rate of the electronic socket is low, and the real-time online requirement for participating in response of a demand side cannot be met.

Disclosure of Invention

In order to solve the technical problems, the invention provides an intelligent load socket participating in power grid demand side response, which is characterized in that the intelligent load socket is connected with a remote control platform and a load, and the intelligent load socket is used for carrying out load control and user node electricity consumption data acquisition and uploading acquired data information to the remote control platform.

Preferably, the intelligent load socket comprises a metering chip, an embedded processor, a data storage, a display screen, a setting key, a load equipment wired and/or wireless communication circuit, a remote communication interface, a hardware encryption unit and a temperature measurement circuit;

the intelligent load socket controls an intelligent air switch or other switches to realize the start and stop of load equipment or directly communicate with the load equipment in a wireless communication and/or wired communication mode;

or, an electrical switch is arranged in the intelligent load socket to directly control the on-off of the load equipment.

Preferably, the embedded processor is responsible for realizing a calculation algorithm, reading the electric quantity of a metering chip, processing a key, displaying and outputting, outputting a communication control signal, and receiving and outputting a remote communication control signal;

an external voltage and current signal is connected to a metering chip, the metering chip is responsible for calculating electric quantity in real time, the metering chip is directly connected to an SPI bus of an embedded processor, and the embedded processor reads electric quantity data through the SPI bus;

the display screen and the setting keys are used for displaying of the intelligent load socket and parameter setting input, the display screen and the setting keys can be directly connected to an IO port of the embedded processor, parameters of a metering algorithm are set through the keys, and the display screen displays information for man-machine interaction;

the data storage unit is controlled by the embedded processor and stores necessary electric quantity data and parameters;

the wired and wireless communication circuit of the load equipment and the communication of the remote control platform are controlled by the embedded processor, the embedded processor controls the start and stop of the equipment through wired and/or wireless communication, and the real-time state monitoring of the load curve of the equipment is realized.

Preferably, in order to ensure the data communication safety and the remote control safety of the remote control platform, an encryption chip unit is arranged in the intelligent load socket and conforms to the national confidentiality requirement and standard;

the communication data between the embedded processor inside the intelligent load socket and the load equipment and the communication data between the embedded processor inside the intelligent load socket and the remote control platform are received and sent through the encryption chip unit to carry out encryption processing, so that the data safety is ensured.

Preferably, the metering chip meters not only power and electric quantity when the user equipment uses electricity, but also response electric quantity psi during the load control_i(k) The measured response electric quantity valueThe actual power consumption during the load control is subtracted from the product of the power consumption at the starting moment of the load control and the load control duration, wherein i is more than or equal to 1, and i is represented by the ith user in the user load pool participating in the response of the demand side.

Preferably, in order not to influence the use habit of the user when the demand side response is carried out, a temperature measuring circuit is arranged in the intelligent load socket;

the temperature measuring circuit can be used for reading the water temperature or the ambient temperature from a water heater or air conditioning equipment through a wired or wireless communication circuit;

when the ambient temperature of the air conditioner is high, the air conditioner avoids participating in demand reduction response as much as possible so as to avoid influencing the body feeling of a user, and avoids the water heater participating in demand side response as much as possible in the hot water using period of the user.

Preferably, the wired circuit of the load equipment is an RS485 or P L C power line carrier communication circuit, and the wireless communication circuit is a WiFi, Bluetooth or infrared communication circuit.

In order to solve the above problems, the present invention further provides a remote control platform for the smart load socket, wherein the remote control platform is connected to the smart load socket, integrates all remotely connected users together to form a user load pool, and participates in power auxiliary services including demand side response and peak shaving of a power grid through intelligent control of user loads in the form of a load integrator, and an overall control strategy is as follows:

(1) the remote control platform is connected with a power grid or a government demand side response platform, and the total regulated load psi (k) participating in demand side response is determined according to the total regulated load predicted by the remote control platform at present and according to a function trading response strategy executed by the remote control platform, wherein k is represented as the current moment;

(2) the remote control platform predicts the current load amount psi which each user can respond to according to the real-time load curve of the user_i(k) And duration T of the response_i(k) Distributing a load control instruction to each user node by combining the online user number accessed by the remote control platform and a load distribution optimization strategy, wherein i is more than or equal to 1 and is represented as the ith user in a user load pool participating in the response of the demand side;

the load distribution optimization strategy is the most economic distribution principle, the number n of users for distributing load control is the least, and the sum of the time for continuous response is the longest, and the specific formula is as follows:where n-min (∑ i) takes the minimum value,

(3) the user takes the intelligent load socket as a unit, responds to a load control instruction issued by the remote control platform, and records the actual load power p when the response is started_i(k) Time T of continuous response as load response measure_i(k) And the amount of electricity actually used during load controlUploading the actual response load electric quantity of the internal measurement in real time to

(4) The remote control platform responds to the power consumption psi according to the actual load_i(k) And obtaining the benefits, wherein the benefits are not limited to the benefits participating in demand response and peak shaving benefits, and the user shares the related benefits according to the load electric quantity of the actual response and the agreement with the platform.

The invention has the following technical characteristics and technical effects:

(1) the intelligent load socket is internally integrated with a wired or wireless WIFI local area network communication circuit of the load equipment, point-to-point communication can be directly realized, a communication link is not required to be established through equipment such as a router and the like, start-stop control between the intelligent load socket and the load equipment is more intelligent, and the use habit of a user is better met;

(2) the intelligent load socket adopts wireless communication modes such as 4G and 5G and the like for internal and remote control, avoids the defect that remote connection can be carried out only through a router by adopting WIFI communication, and enables a remote control platform to stably carry out real-time control on load equipment;

(3) the intelligent load socket adopts the data encryption chip inside, so that the data and the control instruction of the remote platform are safer, and the data and the control instruction are prevented from being invaded and tampered by the outside;

(4) the remote control platform can integrate a certain number of users and loads together, meets the requirements of the power auxiliary service platform such as demand response, peak shaving and the like on the total load, and can obtain related benefits from the users.

Drawings

FIG. 1 shows a system configuration and communication control diagram of the present invention;

fig. 2 shows a schematic diagram of the internal components of the smart load outlet of the present invention.

Detailed Description

The invention provides an intelligent load socket participating in power grid demand side response and a remote control platform thereof, wherein the intelligent load socket is used for carrying out load control and user node electricity utilization data acquisition, and uploading acquired data information to the remote control platform, the remote control platform can integrate all remotely connected users together to participate in the demand side response of a power grid through intelligent control of user loads in the form of load integrators and share related benefits with the users, and meanwhile, the users can also participate in low-carbon energy promotion mechanisms such as carbon transaction, carbon points and the like through the remote control platform.

Fig. 1 shows a system diagram of a smart load socket participating in grid demand side response and a remote control platform thereof. The system comprises equipment loads on a user side, an intelligent load socket and a remote control platform, wherein the intelligent load socket is a core and is a key for controlling the equipment loads by the remote control platform, load control and user node electricity utilization data acquisition are carried out through the intelligent load socket in a 4G or 5G or other Internet of things wireless communication mode, acquired data information is uploaded to the remote control platform through the intelligent load socket, the remote control platform can integrate all remotely connected users together to participate in demand side response of a power grid through intelligent control on the user loads in a load integrator mode, and shares related benefits with the users, and meanwhile, the users can participate in carbon transactions, carbon points and other low-carbon energy promotion mechanisms through the remote control platform.

The intelligent load socket and the equipment adopt a wired or wireless communication mode to acquire the control and state acquisition of the equipment.

The remote control platform comprises an Internet of things server and a display platform, the Internet of things server is mainly used for data storage and cloud computing, and the remote control platform is connected with electric power auxiliary service platforms such as a demand side response platform and the like through the Internet, receives response instructions and participates in related transactions.

In order to improve the system efficiency, the remote control platform can also adopt a decentralized mode to directly establish a cooperative block chain in the intelligent load socket. The intelligent load socket can be directly used as a node of a cooperative block chain, the consensus algorithm of the block chain is realized in an intelligent contract mechanism mode, the electric power auxiliary service platform is used as a publisher of the intelligent contract mechanism, network connection can be directly realized between the nodes, a data encryption tamper-resistant mechanism can be directly established in the block chain, and an encryption chip is omitted.

FIG. 2 is a schematic diagram showing the internal components of an intelligent load socket according to the present invention, wherein the intelligent load socket is composed of a socket body, a metering chip, an embedded processor, a data storage, a display screen, a setting key, a load device wired and wireless communication circuit, a remote communication interface, a hardware encryption unit, a temperature measurement circuit, etc. the intelligent load socket controls an intelligent air switch or other switches to start or stop the load device or directly communicate with the load device by using wireless communication (such as WiFi, infrared and Bluetooth) and/or wired communication (such as RS485 and P L C power carrier communication, etc.), or an electrical switch is arranged inside the intelligent load socket to directly control the start or stop of the load device, the embedded processor is the core of the intelligent load socket and is responsible for the realization of a calculation algorithm, the reading of the electric quantity of the metering chip, the key processing, the display output, the output of a communication control signal, the reception and output of a remote communication control signal, an external voltage and current signal is connected to the metering chip, the metering chip is responsible for calculating the electric quantity in real-time, the metering chip is directly connected to a bus of the processor, the embedded processor reads the electric quantity through the bus, the setting key data, the display screen, the display of the embedded processor, the electric quantity, the display screen is directly connected to the embedded processor, the display screen, the parameters of the embedded processor, the embedded processor;

the metering chip in the intelligent load socket not only meters power and electric quantity when the user equipment uses electricity, but also meters response electric quantity psi during load control_i(k) (not actual power consumption), the measured response electric quantity valueIs the product of the power consumption at the starting moment of carrying out load control and the duration of the load controlThe actual power usage during load control is subtracted, where i ≧ 1, i is indicated as the i-th user participating in a demand-side response of a certain time.

In order to avoid influencing the use habit of a user when the demand side responds, a temperature measuring circuit is designed in the intelligent load socket, so that the user equipment can be used more intelligently, and meanwhile, the water temperature or the ambient temperature can be read from equipment such as a water heater, an air conditioner and the like through a wired or wireless communication circuit. When the ambient temperature of the air conditioner is high, the air conditioner avoids participating in demand reduction response as much as possible so as to avoid influencing the body feeling of a user, and avoids the water heater participating in demand side response as much as possible in the hot water using period of the user.

The remote control platform is connected with the intelligent load socket, integrates all remotely connected users together, and participates in electric power auxiliary services including demand side response and peak shaving of a power grid through intelligent control on user loads in the form of load integrators, and the overall control strategy is as follows:

(1) the remote control platform is connected with a power grid or a government demand side response platform, and the total regulated load psi (k) participating in demand side response is determined according to the total regulated load predicted by the remote control platform at present and according to a function trading response strategy executed by the remote control platform, wherein k is represented as the current moment;

(2) the remote control platform predicts the current load amount psi which each user can respond to according to the real-time load curve of the user_i(k) And duration T of the response_i(k) The load control instruction can be distributed to each user node by combining the online user number n accessed by the remote control platform and a load distribution optimization strategy, wherein n is more than or equal to i and is more than or equal to 1, and i represents the ith user participating in the response of a certain demand side;

the load distribution optimization strategy is the most economic distribution principle, the number of users for distributing load control is the least, and the duration of response is the longest, and the method specifically comprises the following steps: total demand side response electric quantity at kth timeWhere n-min (∑ i) takes the minimum value,the condition for optimizing psi (k) is that the total number n of participating users is minimum, and the sum of the time for the users to participate in the demand-side response is longest;

(3) the user takes the intelligent load socket as a unit, responds to a load control instruction issued by the remote control platform, and records the actual load power p when the response is started_i(k) Time T of continuous response as load response measure_i(k) And the amount of electricity actually used during load controlUploading the actual response load electric quantity of the internal measurement in real time to

(4) The remote control platform responds to the power consumption psi according to the actual load_i(k) And obtaining the benefits, wherein the benefits are not limited to the benefits participating in demand response and peak shaving benefits, and the user shares the related benefits according to the load electric quantity of the actual response and the agreement with the platform.

The wired or wireless communication and the remote platform communication of the load equipment are controlled by the embedded processor, and the embedded processor controls the start and stop of the equipment and the monitoring of the real-time state of the load curve of the equipment through the wired or wireless communication. Wired RS485 bus that includes etc. wireless communication mode includes communication such as bluetooth, WIFI, zigBee. The communication with the remote platform is in a wide area network communication mode such as 4G/5G, signals are more reliable, WiFi local area network communication can be selected as supplement, and a communication link is established with the router through WiFi communication to be connected with the remote control platform.

For example, for a user water heater, most water heater products can only set heating control in a time period, and cannot realize remote control to participate in demand side response. After 1 ten thousand household water heaters in a certain area adopt intelligent load sockets, the ten thousand household water heaters can participate in demand side response in a remote control mode, and the total response power of a user pool is 1 ten thousand kilowatts. When the power grid load is at a peak at 12 points in the day, the demand side response platform directly issues a power down-regulation instruction of 1 ten thousand kilowatts to the user pool remote control platform, and the remote control platform selects an optimal number of users from the 1 ten thousand users to participate in the power down-regulation of 1 ten thousand kilowatts according to the power value and the duration which are uploaded by each user and can participate in the power down-regulation. And the actual response electric quantity value can respond to the income after being confirmed by the remote control platform.

In order to avoid influencing the use habit of a user when the demand side responds, a temperature measuring circuit is designed in the intelligent load socket, so that the user equipment can be used more intelligently, and meanwhile, the water temperature or the ambient temperature can be read from equipment such as a water heater, an air conditioner and the like through a wired or wireless communication circuit. When the ambient temperature of the air conditioner is high, the air conditioner avoids participating in demand reduction response as much as possible so as to avoid influencing the body feeling of a user, and avoids the water heater participating in demand side response as much as possible in the hot water using period of the user.

In order to ensure the data communication safety and the remote control safety of the remote control platform, an encryption unit is designed inside and conforms to the national confidentiality requirement and standard. The communication data between the embedded processor inside the intelligent load socket and the load equipment and the communication data between the embedded processor inside the intelligent load socket and the remote control platform are received and sent through the encryption chip unit to carry out encryption processing, so that the data safety is ensured. The encryption chip integrates various symmetric and asymmetric algorithms which accord with the national security standard, has extremely high security level, can ensure that keys and information data stored inside cannot be illegally read, and belongs to hardware encryption.

The above description is further detailed description of the present invention with reference to specific preferred embodiments, and it is not intended to limit the present invention to the specific embodiments, and it will be apparent to those skilled in the art that several equivalent substitutions or obvious modifications, which have the same performance or purpose, may be made without departing from the spirit of the present invention, and the invention is also considered to be within the scope of the present invention, especially for the invention of the similar functions of the electrical switch, plug, etc. related to the socket.