A low-voltage user demand response interactive device and working method

Abstract

The present invention relates to the field of power demand response, and discloses a low-voltage user demand response interactive device and working method, including an electrical circuit, a mechanical switch, a protection module, a data acquisition module, a control processor, a power module, a communication module, a load identification module, a blockchain module and a demand response module; the mechanical switch is connected to the electrical circuit, the protection module is connected to the mechanical switch, and the control processor is connected to the protection module; the load identification module, the blockchain module and the demand response module are respectively connected to the control processor; the data acquisition module is connected to the electrical circuit and transmits data to the control processor; the communication module and the power module are respectively connected to the control processor. The low-voltage user demand response interactive device proposed by the present invention has the advantages of small size and intelligence, provides an effective channel for low-voltage users to participate in demand response, and ensures the safety and reliability of demand response business data.

Description

Technical Field

[0001] The present application relates to the field of power demand response, and more particularly to a low-voltage user demand response interactive device and a working method. Background Art

[0002] Actively carrying out power demand side management is conducive to improving the orderly and economical power consumption system, increasing the system's flexible adjustment capacity through market means, ensuring life and production safety, and realizing the transformation of the power grid's role from management to service. Traditionally, the main participants in power demand response are large-scale industries and general industrial and commercial users with large power capacity and high power consumption. The rise of Internet of Things technology allows general residential users and even load aggregators that aggregate a large number of medium and small users through the network to participate, significantly expanding the participation group of demand response and the total amount of available dispatch resources. Residential users are demand response resources with considerable potential. Their participation in the power market can bring significant safety and economic benefits, and will also greatly enhance the absorption capacity of distributed energy. However, the current channels for residential users to participate in demand response are not smooth and lack key equipment.

[0003] Smart circuit breakers are used for the safe protection of electricity use in low-voltage users' homes. They have the advantages of small size, intelligence and low cost. The patent of this invention improves the smart circuit breaker, expands the low-voltage user demand response function module, and forms a low-voltage user demand response interactive device, which provides an effective channel for low-voltage users to participate in demand response and ensures the security and reliability of demand response business data. Summary of the invention

[0004] The purpose of the present invention is to provide a low-voltage user demand response interactive device and working method, which realizes the advantages of small size and intelligence, provides an effective channel for low-voltage users to participate in demand response, and ensures the security and reliability of demand response business data.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A low-voltage user demand response interactive device comprises an electrical circuit, a mechanical switch, a protection module, a data acquisition module, a control processor, a power module, a communication module, a load identification module, a blockchain module and a demand response module; the mechanical switch is connected to the electrical circuit, the protection module is electrically connected to the mechanical switch, and the control processor is electrically connected to the protection module; the load identification module, the blockchain module and the demand response module are electrically connected to the control processor respectively; the data acquisition module is connected to the electrical circuit and transmits data to the control processor; the communication module and the power module are electrically connected to the control processor respectively.

[0007] A working method of a low-voltage user demand response interactive device, wherein the mechanical switch is used to realize automatic opening under abnormal circumstances; the protection module receives the protection signal from the control processor, and controls the mechanical switch to perform opening operation according to the control signal; the data acquisition module collects distribution line information, and transmits its signal processing to the control processor; the control processor processes the data of the data acquisition module, and provides data for the protection module, load module, blockchain module and demand response module; the power module provides power for the control processing module; the communication module is used for data transmission between external platforms; the load identification module identifies the type of electrical appliances used by the user, and compares and analyzes the user's demand response potential; the demand response module is used to realize the processing of demand response information and provide users with demand response strategies; the blockchain module is used to reliably record user demand response business data and automatically execute demand response settlement through smart contracts.

[0008] Preferably, the load identification module identifies the type of electrical appliances used by the user, and conducts comparative analysis to explore the user's demand response potential, as follows: based on the load identification results, decomposing the low-voltage user load curve; and calculating the demand response potential of the low-voltage user based on the regulation coefficients of various types of loads.

[0009] Preferably, the demand response module is used to implement the processing of demand response information and provide users with demand response strategies, and the method is as follows: receive demand information and push reminders to low-voltage users; upload demand response information based on the low-voltage user's response results; generate a demand response regulation strategy based on the demand response results and user parameter settings; execute the demand response regulation strategy through interaction with the intelligent gateway; obtain confirmation results and push them to users.

[0010] Preferably, the blockchain module deploys a lightweight node software package, and all low-voltage users in the same area constitute the demand response transaction sub-chain of this area, and the area terminal is the main node of the demand response transaction sub-chain of this area; the demand response transaction main chain is formed between terminals in different areas, large industrial and commercial users, and metering automation master stations.

[0011] Beneficial effects of the invention: The invention provides an effective way for low-voltage users to participate in demand response, and has the advantages of small size, low cost, intelligence, and high reliability. Through interaction with home smart gateways, smart speakers, etc., it can fully mobilize the enthusiasm of low-voltage users to participate in demand response, enhance the user's intelligent interactive experience, provide an effective channel for low-voltage users to participate in demand response, and ensure the security and reliability of demand response business data. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the device of the present invention.

[0013] Figure 2 It is a schematic diagram of the working method of the demand response module of the present invention. DETAILED DESCRIPTION

[0014] The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

[0015] The following describes the embodiments of the present disclosure through specific examples, and those skilled in the art can easily understand other advantages and effects of the present disclosure from the contents disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, rather than all of the embodiments. The present disclosure can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present disclosure. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present disclosure.

[0016] Embodiment 1

[0017] A low-voltage user demand response interactive device comprises an electrical circuit, a mechanical switch, a protection module, a data acquisition module, a control processor, a power module, a communication module, a load identification module, a blockchain module and a demand response module; the mechanical switch is connected to the electrical circuit, the protection module is electrically connected to the mechanical switch, and the control processor is electrically connected to the protection module; the load identification module, the blockchain module and the demand response module are electrically connected to the control processor respectively; the data acquisition module is connected to the electrical circuit and transmits data to the control processor; the communication module and the power module are electrically connected to the control processor respectively.

[0018] A working method of a low-voltage user demand response interactive device, wherein the mechanical switch is used to realize automatic valve opening under abnormal circumstances; the mechanical switch is connected to the electrical circuit at the indoor entrance of the low-voltage user distribution line, and realizes automatic valve opening under abnormal circumstances according to the protection fuzzy control signal, and can also be manually opened locally or remotely.

[0019] The protection module receives the protection signal from the control processor and controls the mechanical switch to perform the opening operation according to the control signal;

[0020] The data acquisition module collects distribution line information, processes its signals and transmits them to the control processor; the data acquisition module collects the current, voltage and temperature signals of the distribution line, converts the analog signals into digital signals through the signal processing circuit, and transmits them to the control processor.

[0021] The control processor processes the data from the data acquisition module and provides data for the protection module, the load module, the blockchain module and the demand response module;

[0022] The power module provides power to the control processing module;

[0023] The communication module is used for data transmission with external platforms;

[0024] The load identification module intelligently identifies the type of electrical appliances used by users through voltage and current curves, and conducts comparative analysis to explore the user's demand response potential;

[0025] The demand response module is used to process demand response information and provide users with demand response strategies; the demand response module is used to process demand response information and provide users with personalized demand response strategies based on their demand response potential.

[0026] The blockchain module is used to reliably record user demand response business data and automatically execute demand response settlement through smart contracts.

[0027] The load identification module identifies the type of electrical appliances used by users, and conducts comparative analysis to explore the user's demand response potential. The method is as follows: Based on the load identification results, the low-voltage user load curve is decomposed;

[0028]

[0029] Where: for t The total load power of low-voltage users during the period, for t Low voltage users during the period k The power of the appliance, K is the number of electrical appliance types, k Belong to 1~ K ; for t Other power load power of low-voltage users during the period;

[0030] According to the regulation coefficient of each type of load, the demand response potential of low-voltage users is calculated.

[0031]

[0032] Where: for t Adjustable load power for low-voltage users during time periods; For the k The control coefficient of the electrical appliance ranges from [0,1]. k When the electrical appliance is an interruptible load, x k Equal to 1, when kWhen the load of an appliance cannot be adjusted at all, x k is equal to 0.

[0033] The demand response module is used to process demand response information and provide users with demand response strategies. The methods are as follows: receiving demand information and pushing reminders to low-voltage users; receiving demand response time period, capacity and other information from the demand response platform and pushing reminders to low-voltage users;

[0034] Upload demand response information based on the response results of low-voltage users; send demand response quotation, capacity and other information to the demand response platform based on the response results of low-voltage users;

[0035] Generate a demand response regulation strategy based on the demand response results and user parameter settings; Generate the optimal demand response regulation strategy based on the demand response results cleared by the demand response platform and user parameter settings for user decision-making and selection;

[0036] Execute demand response control strategy through interaction with intelligent gateway; automatically execute control strategy according to the control scheme decided by the user through interaction with intelligent gateway;

[0037] Obtain confirmation results and push them to users; obtain confirmation results from the demand response platform and push them to users.

[0038] The blockchain module deploys a lightweight node software package. All low-voltage users in the same area constitute the demand response transaction sub-chain of this area, and the area terminal is the main node of the demand response transaction sub-chain of this area; the demand response transaction main chain is formed between terminals in different areas, large industrial and commercial users, and metering automation master stations.

[0039] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0040] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

[0041] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0042] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0043] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, read-only memory), random access memory (RAM, random access memory), disk or optical disk and other media that can store program code.

Claims

1. A low-voltage user demand response interactive device, characterized in that: It includes electrical circuits, mechanical switches, protection modules, data acquisition modules, control processors, power modules, communication modules, load identification modules, blockchain modules and demand response modules; The mechanical switch is connected to the electrical circuit, the protection module is electrically connected to the mechanical switch, and the control processor is electrically connected to the protection module; The load identification module, blockchain module and demand response module are electrically connected to the control processor respectively; The data acquisition module is connected to the electrical circuit and transmits the data to the control processor; The communication module and the power supply module are electrically connected to the control processor respectively; The mechanical switch is used to realize automatic opening in abnormal situations; The protection module receives a protection signal from the control processor and controls the mechanical switch to perform a tripping operation according to the control signal; The data acquisition module collects distribution line information, processes its signals and transmits them to the control processor; The control processor processes the data from the data acquisition module and provides data for the protection module, the load module, the blockchain module and the demand response module; The power supply module provides power to the control processing module; The communication module is used for data transmission with the external platform; The load identification module identifies the type of electrical appliances used by the user, and conducts comparative analysis to explore the user's demand response potential; The demand response module is used to process demand response information and provide users with demand response strategies; The blockchain module is used to reliably record user demand response business data and automatically execute demand response settlement through smart contracts; The load identification module identifies the type of electrical appliances used by the user, and conducts comparative analysis to explore the user's demand response potential, as follows; According to the load identification results, the low-voltage user load curve is decomposed; According to the regulation coefficient of various loads, the demand response potential of low-voltage users is calculated: Where: for t Adjustable load power for low-voltage users during time periods; For the k The control coefficient of the electrical appliance ranges from [0,1]. k When the electrical appliance is an interruptible load, x k Equal to 1, when k When the load of an appliance cannot be adjusted at all, x k is equal to 0; The demand response module is used to process demand response information and provide users with demand response strategies in the following way; Receive demand information and push reminders to low-voltage users; Upload demand response information based on the low-voltage user's response results; Generate demand response control strategy based on demand response results and user parameter settings; Execute demand response control strategy through interaction with intelligent gateway; Get the confirmation result and push it to the user.

2. The working method of the low-voltage user demand response interactive device according to claim 1, characterized in that: The blockchain module deploys a lightweight node software package. All low-voltage users in the same area constitute the demand response transaction sub-chain of this area, and the area terminal is the main node of the demand response transaction sub-chain of this area; the demand response transaction main chain is formed between terminals in different areas, large industrial and commercial users, and metering automation master stations.

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