TW201611458A - Intelligent home appliance management system and transformer terminal unit - Google Patents

Abstract

An intelligent home appliance management system comprises an intelligent transformer. The intelligent transformer comprises a power distribution transformer and a transformer terminal unit. The transformer terminal unit comprises a detection unit, a processing unit and a communication module. The detection unit may obtain the voltage and current of the converted power by the power distribution transformer and the insulation oil temperature to generate a sensing signal. Based on the sensing signal, the processing unit generates a monitoring signal indicating whether the power distribution transformer is abnormal or not and a control signal related to a demand reaction signal of a backend server. The control signal controls the amount of output power from the power supply of an intelligent home appliance through the communication module to perform effective monitoring and abnormality reporting for the power distribution transformer.

Description

Smart appliance management system and transformer terminal unit

The invention relates to a home appliance management system and a transformer terminal unit thereof, in particular to a smart appliance management system and a transformer terminal unit of a smart transformer.

In an existing power supply system, a transformer is used to convert high-voltage power into low-voltage power, and the low-voltage power is supplied to loads such as general residential and commercial power equipment. Due to the large number of transformers and scattered localities, the management of the transformer is not easy. Especially when the load suddenly has a large amount of power demand, the transformer of the power supply often overloads or malfunctions. When the situation is serious, the transformer will be burned. Affect the safety of the power supply system.

In addition, in recent years, all countries have invested heavily in the development of electric vehicles to achieve energy saving and carbon reduction. When multiple electric vehicles are charged in the fast charge mode, the transformer responsible for supplying power will also be prone to overload. Since the prior art is manually testing the operating state of the transformer directly to the field, it can be judged whether the transformer is abnormal or not, and when the transformer is abnormal, it cannot be known in time.

Therefore, the object of the present invention is to provide a smart home appliance management system and a transformer terminal unit of a smart transformer that effectively monitors and abnormally returns distribution transformers.

Therefore, the smart home appliance management system of the present invention comprises a smart home appliance, a back end server, and a smart transformer. The smart transformer includes a distribution transformer and a transformer end unit. The transformer terminal unit includes a detecting unit, a processing unit, and a communication module.

The smart home appliance includes a power supply, a control circuit electrically connected to the power supply, and a communication module electrically connected to the control circuit. The power supply receives a converted power and generates an output power. The communication module receives a first communication signal carrying a control signal, and outputs the control signal to the control circuit, and the control circuit adjusts the output power of the power supply according to the control signal. The backend server receives a second communication signal carrying a monitoring signal and generates a demand response signal.

The power distribution transformer of the smart transformer is electrically connected to the power supply of the smart home appliance, and receives a first power to generate the converted power.

The detecting unit of the terminal end unit of the transformer is electrically connected to the distribution transformer, and extracts voltage and current of the output power of the distribution transformer, and an insulating oil temperature of the distribution transformer, and generates a voltage and current having the output power And a sensing signal of the temperature of the insulating oil.

The processing unit is electrically connected to the detecting unit to receive the sensing signal, and accordingly generates a monitoring signal indicating whether the power parameter of the power distribution transformer is abnormal or not, and the demand response signal related to the backend server Control signal.

The communication module can be respectively connected to the communication module of the smart home appliance and the backend server via a network, and electrically connected to the processing unit to receive the monitoring signal and the control signal, and generate the a first communication signal of the control signal and a second communication signal carrying the monitoring signal.

The function of the invention is to use the detecting unit of the terminal end unit of the transformer to sense the voltage and current of the output power of the distribution transformer and the temperature of the insulating oil, and then use the processing unit to calculate whether the distribution transformer is overloaded or abnormal, and according to the The demand response signal controls the magnitude of the output power of the power supply of the smart home appliance.

1‧‧‧Smart Appliances

11‧‧‧Power supply

12‧‧‧Control circuit

13‧‧‧Communication module

2‧‧‧Backend server

3‧‧‧Smart Transformer

31‧‧‧Distribution transformer

32‧‧‧Transformer terminal unit

321‧‧‧Detection unit

322‧‧‧Processing unit

323‧‧‧Communication Module

324‧‧‧ storage device

325‧‧‧Microprocessor

326‧‧‧ embedded system

4‧‧‧Automatic meter reader

Other features and effects of the present invention will be apparent from the embodiments of the drawings, in which:

1 is a block diagram showing an embodiment of a smart home appliance management system of the present invention.

Referring to FIG. 1, an embodiment of a smart home appliance management system of the present invention comprises a smart home appliance 1, a backend server 2, an intelligent transformer (Intelligent Transformer) 3, and an automatic meter reader 4. The smart transformer 3 includes a distribution transformer 31 and a Transformer Terminal Unit (TTU) 32. The transformer terminal unit 32 includes a detecting unit 321, a processing unit 322, a communication module 323, and a storage device. Set 324.

The smart home appliance 1 includes a power supply 11, a control circuit 12 electrically connected to the power supply, and a communication module 13 electrically connected to the control circuit. The power supply 11 receives a converted power and generates an output power. The communication module 13 receives a first communication signal carrying a control signal, and outputs the control signal to the control circuit 12. The control circuit 12 adjusts the output power of the power supply 11 according to the control signal, and further The power consumption of the smart home appliance 1 is reduced.

The backend server 2 receives a second communication signal carrying a monitoring signal and generates a Demand Response (DR) signal.

The distribution transformer 31 of the smart transformer 3 is electrically connected to the power supply 11 of the smart home appliance 1 and receives a first power to generate the converted power. The first power may be output power from a power plant or output power of other distribution transformers.

The detecting unit 321 of the transformer terminal unit 32 is electrically connected to the distribution transformer 31, and draws the voltage and current of the output power of the distribution transformer 31, and an insulating oil temperature of the distribution transformer 31, and generates an output having the output. The voltage and current of the power and the sensing signal of the temperature of the insulating oil.

The processing unit 322 includes a microprocessor 325 electrically connected to the detecting unit 321, and an embedded system 326 electrically connected to the microprocessor 325 and the communication module 323. The microprocessor 325 receives the sensing signal from the detecting unit 321 and generates an operation according to the sensing signal. A power parameter of the distribution transformer 31. The power parameter includes an output power of the distribution transformer 31, a real power, a virtual power, an apparent power, a power factor, a frequency power harmonic, a power usage, and the insulating oil temperature. The microprocessor 325 determines whether the distribution transformer 31 is overloaded or abnormal according to the power parameter, and generates a monitoring signal having the power parameter of the distribution transformer 31 and whether it is abnormal. For example, the output power of the power parameter is greater than a set value, indicating that the distribution transformer 31 outputs an abnormality.

The embedded system 326 receives the demand response signal from the backend server 2 via the communication module 323 and the monitoring signal from the microprocessor 325, and generates the control signal accordingly. The storage device 324 is electrically coupled to the embedded system 326. The embedded system 326 can also store the power parameters of the distribution transformer 31 and whether it is abnormally stored in the storage device 324 based on the monitoring signal from the microprocessor 325. In this embodiment, the storage device 324 can be one of a Flash Disk or a SD Card.

The communication module 323 can be connected to the communication module 13 and the backend server 2 of the smart home appliance 1 via a network, and electrically connected to the processing unit 322 to receive the monitoring signal and the control signal, and Generating the first communication signal carrying the control signal and generating the second communication signal carrying the monitoring signal.

In this embodiment, the communication module 323 of the transformer terminal unit 32 of the smart transformer 3 and the communication module 13 of the smart home appliance 1 support SEP 2.0 (Smart Energy Profile 2) and SAA.NET developed by the Industrial Research Institute ( One of the communication protocols of the Smart Appliance Alliance. The Wisdom The control circuit 12 of the electric 1 controls the magnitude of the output power of the power supply 11 based on the control signal carried by the first communication signal. The second communication signal generated by the communication module 323 can be connected to the back end via any one of a ZigBee, a wireless network (WiFi), a power line carrier (PLC), an Ethernet, and a cable. Server 2 is connected.

The automatic meter reader 4 electrically connects the communication module 13 of the smart home appliance 1 and the communication module 323 of the smart transformer 3, and records the converted power and the output power of the power supply 11 , that is, the wisdom The power consumption of the home appliance 1. The embedded system 326 of the processing unit 322 of the transformer terminal unit 32 of the smart transformer 3 can also obtain the converted power and the output power of the power supply 11 of the smart home appliance 1 through the communication module 323, and generate a load signal having a magnitude of the converted power and the output power of the power supply 11 and transmitting the load signal to the backend server 2 for the power usage of the smart home appliance 1 by the backend server 2 At any time, it can monitor the power supply of the smart transformer 3, and can achieve the function of stealing power detection for the power supply user.

It should be particularly noted that, in this embodiment, the smart home appliance management system includes only one smart transformer 3 and one smart home appliance 1 as a load, but in other embodiments, the system may also include a smart transformer 3 to control multiple A smart home appliance 1, that is, a plurality of loads, or a plurality of smart transformers 3 respectively control a plurality of smart home appliances 1.

When the microprocessor 325 of the processing unit 322 of the transformer terminal unit 32 determines that the distribution transformer 31 is abnormal according to the sensing signal, the embedded system 326 is based on the monitoring signal from the microprocessor 325. The control signal is generated to increase the operating set temperature of the smart home appliance 1, such as an air conditioner, to reduce the load of the distribution transformer 31.

Further, the smart home appliance 1 as a load is not limited to the home appliance, and for example, the smart home appliance 1 may be a charging device of an electric vehicle. The charging device usually has a fast charging mode, so that the existing power supply transformer is prone to overload. According to the embodiment of the present invention, the sensing signal is used to detect whether the distribution transformer 31 is normal, and on the other hand, according to the requirement. The control signal generated by the amount response signal adjusts the magnitude of the output power of the power supply 11 to effectively reduce the load of the distribution transformer 31.

In summary, the power distribution transformer 31 is sensed by the detecting unit 321 of the transformer terminal unit 32, and the processing unit 322 is used to calculate whether the power distribution transformer 31 is overloaded or abnormal, and is controlled according to the demand response signal. The magnitude of the output power of the power supply 11 of the smart home appliance 1 is effectively monitored and abnormally returned to the distribution transformer 31, so that the object of the present invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

1‧‧‧Smart Appliances

11‧‧‧Power supply

12‧‧‧Control circuit

13‧‧‧Communication module

2‧‧‧Backend server

3‧‧‧Smart Transformer

31‧‧‧Distribution transformer

32‧‧‧Transformer terminal unit

321‧‧‧Detection unit

322‧‧‧Processing unit

323‧‧‧Communication Module

324‧‧‧ storage device

325‧‧‧Microprocessor

326‧‧‧ embedded system

4‧‧‧Automatic meter reader

Claims (8)

A smart home appliance management system comprising: a smart home appliance, comprising a power supply, a control circuit electrically connected to the power supply, and a communication module electrically connected to the control circuit, the power supply receiving a converted power, And generating an output power, the communication module receives a first communication signal carrying a control signal, and outputs the control signal to the control circuit, and the control circuit adjusts the output power of the power supply according to the control signal a back-end server receives a second communication signal carrying a monitoring signal and generates a demand response signal; and a smart transformer includes: a distribution transformer electrically connected to the power supply of the smart home appliance and receives a first power to generate the converted power; a transformer terminal unit, comprising: a detecting unit electrically connecting the distribution transformer, and extracting voltage and current of the output power of the distribution transformer, and one of the distribution transformers Insulating oil temperature, and generating a voltage and current having the output power and a sensing signal of the temperature of the insulating oil a processing unit electrically connecting the detecting unit to receive the sensing signal, and generating a monitoring signal indicating whether the power parameter of the power distribution transformer is abnormal or not, and the demand response signal related to the backend server Control signal; and a communication module can be respectively connected to the communication module of the smart home appliance and the backend server via a network, and electrically connected to the processing unit to receive the monitoring signal and the control signal, and generate the carrier a first communication signal of the control signal and a second communication signal carrying the monitoring signal. The smart home appliance management system of claim 1, wherein the processing unit comprises a microprocessor electrically connected to the detecting unit and an embedded system electrically connecting the microprocessor and the communication module, the microprocessor Receiving the sensing signal, and generating a power parameter of the distribution transformer according to the sensing signal, and determining whether the distribution transformer is overloaded or abnormal, and generating a power parameter having the distribution transformer and whether An abnormal monitoring signal, the embedded system receives a demand response signal from the backend server and a monitoring signal from the microprocessor, and generates the control signal accordingly. The smart home appliance management system of claim 2, wherein the transformer terminal unit of the smart transformer further comprises a storage device electrically connected to the embedded system, and the embedded system can also be based on a monitoring signal from the microprocessor. The power parameters of the distribution transformer and whether they are abnormally stored in the storage device. The smart appliance management system of claim 3, further comprising an automatic meter reader electrically connecting the communication module of the smart home appliance and the communication module of the smart transformer, and recording the power supply Transformer power and output power, the transformer transformer's transformer The embedded system of the processing unit of the terminal unit can also obtain the converted power and the output power of the power supply of the smart home appliance through the communication module, and generate a converted power and output power with the power supply. The load signal of the size is transmitted to the backend server. The smart home appliance management system of claim 4, wherein the power parameter obtained by the microprocessor comprises an output power of the distribution transformer, a real power, a virtual power, an apparent power, and a power. Factor, a frequency power harmonic, a power usage, and the temperature of the insulating oil. The smart home appliance management system according to claim 5, wherein the communication module of the transformer terminal unit of the smart transformer and the communication module of the smart home appliance support one of SEP 2.0 and SAA.NET communication protocols, the smart home appliance The control circuit controls the magnitude of the output power of the power supply according to the control signal carried by the first communication signal. The smart home appliance management system according to claim 5, wherein the communication module of the transformer terminal of the smart transformer is via a ZigBee, a wireless network (WiFi), a power line carrier (PLC), an Ethernet (Ethernet), And any of the cables is connected to the backend server. The utility model relates to a transformer terminal unit, which is suitable for a distribution transformer for generating a conversion power, and comprises: a detecting unit electrically connecting the distribution transformer, and extracting voltage and current of the converted power of the distribution transformer, and the power distribution transformer An insulating oil temperature, and a sensing signal having a voltage and a current of the converted power and a temperature of the insulating oil; a processing unit electrically connecting the detecting unit to receive the sensing signal, and generating a a power monitoring parameter indicating whether the power distribution parameter of the power distribution transformer is abnormal, and a control signal related to a demand response signal; and a communication module, which can communicate with a smart home appliance through a network and a communication module The server is connected to the processing unit to receive the monitoring signal and the control signal, and generates a first communication signal carrying the control signal for transmission to the communication module of the smart home appliance, and a carrier The second communication signal of the monitoring signal is transmitted to the back-end server, and the back-end server generates the demand response signal according to the monitoring signal, the smart home appliance further comprising a control circuit and a power supply, the control circuit The magnitude of an output power of the power supply is adjusted according to the control signal.