CN201262704Y - A wireless monitoring device for residential energy saving - Google Patents

Abstract

The utility model discloses a wireless monitoring device used for energy saving of housing, comprising an upper-level management center module, a lower-level management center module, a relay station, and a building group which consists of commercial buildings, office buildings and civil buildings; the upper-level management center module is internally provided with a server and a computer group which is connected with the server; the lower-level management center module is internally provided with a database which is connected with the computer group; the building group is internally provided with a wireless sensor network which is used for collecting real-time energy consumption data of water, electricity and gas of all building points; the relay station transmits the real-time energy consumption data of water, electricity and gas of all building points by a GPRS network and stores the real-time energy consumption data in a distribution-typed measurement and control network terminal computer; the upper-level management center module accesses the lower-level management center module by Internet network communication; the building group carries out the communication with the lower-level management center module by the GPRS network of the relay station, stores the data in the database and carries out analysis, modeling and energy-saving prediction.

Description

A wireless monitoring device for residential energy saving

technical field

The utility model belongs to the technical field of automatic control, and relates to a wireless monitoring device for residential energy saving, which can realize detection and control of indoor energy consumption of buildings.

Background technique

The development of society has led to a sudden increase in the number of buildings, so that building energy consumption, industrial energy consumption, and transportation energy consumption have become the three "big energy-consuming households" in my country's energy consumption. In reality, the extensive management and use of energy is astonishingly wasteful and ineffective. According to the China Building Energy Conservation Annual Development Research Report (2007), it is known that my country's building energy consumption accounts for 18.8% of the total social energy consumption, urban residential energy consumption accounts for 25% of building energy consumption, and urban residential energy consumption other than heating (lighting, home appliances , air conditioners) account for about 12% of my country's annual power supply. At present, almost no energy-saving measures are adopted in residential buildings, and there is no detection, analysis and statistics of energy consumption, as well as research on energy-saving schemes and implementation technologies. Research on energy-saving technologies for buildings is very necessary and important. The study of energy consumption and energy-saving technologies in houses that are closely related to people's survival and life is of great significance to the establishment of energy-saving awareness for the whole people, and the realization of energy-saving from daily life and from oneself.

Contents of the invention

The purpose of the utility model is to provide a detection and control system for indoor energy consumption. The energy consumption detection and control system can detect and control energy consumption, overcome the factors of wasting energy with information technology, and make the use of energy from extensive to Intensive, to achieve the purpose of energy saving of the whole house.

In order to realize above-mentioned task, the technical solution that the utility model adopts is:

A wireless monitoring device for residential energy saving, characterized in that the device includes:

An upper-level management center module, which is equipped with a server and a computer group connected to the server;

A lower-level management center module, in which a database is set, and the database is connected to a computer group;

A building complex consisting of commercial buildings, office buildings and civil buildings, with a wireless sensor network inside the building complex to collect real-time water, electricity and gas energy consumption data of each building point;

A transfer station, which transmits the real-time water, electricity, and gas energy consumption data of each building point of the building group through the GPRS network, and then stores them in the measurement and control network terminal computers distributed by the wireless sensor network inside the building group;

The upper-level management center module accesses the lower-level management center module through Internet network communication, and the building group communicates with the lower-level management center module through the GPRS network of the transfer station, stores in the database, and performs analysis, modeling and energy-saving prediction.

The wireless sensor network at least includes a wireless remote monitoring platform composed of a main control computer, a wireless sensor, a coordinator, a gateway, a routing device and sensor nodes.

Compared with the prior art, the beneficial effects of the utility model are reflected in:

1. Wireless remote monitoring platform

Through the use of wireless sensors, coordinators, terminal nodes, gateways, wireless transmission channels and main control computers, it is possible to achieve accurate and real-time collection of building energy consumption, remote transmission, the establishment of an energy consumption database, and the integration of computer control and management. In the role of energy saving and consumption reduction. By adopting ZigBee and GPRS technology in its wireless network transmission, the energy consumption data can be transmitted on the network in the first time. The accuracy and real-time nature of the data are fully guaranteed.

2. Based on the latest wireless sensor network network structure

The utility model adopts short-distance, low complexity, low power consumption, low data rate, and low-cost two-way wireless communication technology. The wireless remote detection and control of building indoor energy consumption is constructed. Compared with the traditional wired system, the complexity of system installation and debugging is greatly reduced, and it has strong pertinence and practicability.

3. Low cost

The cost of the utility model will be very low, and it is easy to promote in the market.

4. The data is intuitive, complete and easy to operate

The collected energy consumption information is transmitted to the main control computer through the wireless sensor network transmission channel, and the control device is easy to operate through the friendly interface in the display.

Description of drawings

Fig. 1 is the device structure schematic diagram of the present utility model;

Fig. 2 is the control schematic diagram of the utility model.

Below in conjunction with accompanying drawing and the embodiment that inventor provides, the utility model is described in further detail.

Detailed ways

The wireless monitoring device for residential energy saving of the utility model has the idea of solving the technical problem as follows: install a distributed sensor network of energy consumption detection equipment (such as intelligent water meters, electric meters and gas meters) on the buildings, and use wireless remote The transmission technology realizes the automatic collection of energy consumption data, establishes an energy consumption database, establishes an energy consumption model based on the energy consumption data, predicts energy consumption trends, and designs specific energy saving schemes and energy saving management systems, so as to achieve the goal of energy saving.

The utility model is a remote detection and control of indoor energy consumption of buildings based on wireless technology, in particular, a data acquisition control based on a wireless technology platform. As shown in Figure 1, a wireless sensor network is established in a building group (including commercial, office, and civil buildings) to collect real-time water, electricity, and gas energy consumption data at each energy point. The relay station transmits, and then stores it in the terminal computer of the distributed measurement and control network.

The unit includes:

An upper-level management center module, which is equipped with a server and a computer group connected to the server;

A lower-level management center module, the module in the lower-level management center is equipped with a database, and the database is connected to a computer group;

A transfer station, which transmits the real-time water, electricity, and gas energy consumption data of each building point of the building group through the GPRS network, and then stores them in the terminal computer of the distributed measurement and control network;

Through the GPRS network, the energy consumption data of the building is uploaded to the lower-level management center module, stored in the database, and analyzed, modeled, and energy-saving forecasted.

The upper-level management center module can access the lower-level management center module through the Internet to learn about the energy consumption.

The indoor control of building points is shown in Figure 2. The water, electricity, gas and information appliances in the building realize the communication between the sensor node and the embedded home gateway through the CC2430 chip interface, and the sensor node is responsible for monitoring the surrounding environment. The terminal equipment receives signals and performs data processing and communication. It integrates sensor devices, data processing units and communication modules, and forms a network through self-organization. With the help of various types of sensor devices in the sensor node, energy consumption information of water, electricity, gas and information appliances inside the building can be collected, and the temperature, humidity, light intensity, intrusion, etc. of the surrounding environment can also be monitored. As a connection point between the external TCP/IP network and the internal information network of the building, the embedded gateway performs protocol conversion through the main processing chip after receiving the information of the sensor nodes, realizes the TCP/IP interconnection with the external network, and then obtains the communication interconnected.

When performing remote control, the user sends a GPRS remote control protocol frame to the smart home gateway 28, and the smart home gateway 28 utilizes the GPRS module 33 to receive, and obtains and parses the control signal through the ARM processor 29, and transfers it to the CC2430 chip 31 through the SPI interface 30, Pack the information via the CC2430 chip 31, use the radio frequency module 32 to send it into the ZigBee network 27, and use the ZigBee coordinator 26 in the network to send the signal to the destination terminal (the terminal pointed to by the destination address in the protocol frame). Taking water (electricity, gas) meter 1 as an example, the destination terminal uses a radio frequency module 4 of CC2430 chip 31 to obtain control information, and sends the information to an 8051 core 3 . After that, the 8051 core 3 analyzes the control signal, and sends the control signal to the water (electricity, gas) meter (1) through the DAC chip 5 . Water (electricity, gas) meter 1 collects household energy consumption according to the control signal, and transmits the detected energy consumption information to the built-in 14-bit ADC (2) of CC2430, and the ADC (2) converts the analog signal into a digital signal , then the signal is transmitted to the CC2430 chip 8051 control core 3, which is packaged and forwarded by the ZigBee radio frequency module 4, and all terminal equipment adopts the ZigBee frame format to send the measurement and control information to the ZigBee coordinator 26, and the ZigBee coordinator 26 passes the information through the ZigBee network 27 Send to intelligent home gateway 28, intelligent home gateway utilizes built-in ZigBee CC2430 radio frequency module to receive information frame, and information is sent to ARM processor (29), and ARM processor uses GPRS module (33) to send GPRS information frame to remote terminal. Smart home measurement and control module 6, access control measurement and control module 11, lighting measurement and control module 16, door and window opening and closing and glass explosion-proof measurement and control module 21, complete the above process in the same way.

The specific implementation can choose the following wireless sensor network technology based on Zigbee wireless network technology.

1. Wireless network structure based on the latest ZigBee technology

ZigBee is a wireless network communication technology standard that has only emerged in recent years. Its low cost and low power consumption are its outstanding advantages. Its network capacity is large, the amount of data exchange is small, and the transmission rate requirement is not high. When communicating, its connection interval is short, which can greatly reduce the probability of communication data collision. In terms of network security, it encrypts the transmitted data information, which has high security. Therefore, it fully meets the requirements of home sensor networking. The utility model adopts the latest ZigBee wireless communication technology to build a residential energy-saving wireless monitoring technology system based on ZigBee. A large number of sensor nodes are powered by batteries without wired wiring, and the home wireless network is easy to install. It is very convenient to change the lighting, air conditioning and security systems that have installed ZigBee-based home control network to meet new requirements. The installed network nodes can be easily moved and rearranged. It is easy to add network nodes. New nodes only need to request the adjacent network coordinator to join the network.

The home network using ZigBee can flexibly configure the control of the device. It can control a specific device, or use a controller to control multiple independent devices in the family. Multiple devices can work independently or jointly to complete a series of functions.

2. Low cost

Adopting ZigBee technology has the characteristics of low speed, low power consumption, low cost, etc., and the price of ZigBee module is still further reduced, and the cost of the present invention will be very low, and it is easy to promote in the market.

3. Low power consumption

A single chip contains the necessary components of 802.15.4 and ZigBee compatible systems, supports synchronous sleep and wake-up, effectively reduces power consumption, and consumes less energy components. Only two standard AA batteries can last Working for 6 months to two years, thus prolonging the maintenance cycle of each detector node and saving corresponding manpower and material resources.

In summary, the utility model can adopt CC2430 chip, and CC2430 chip is a real system chip (SoC) CMOS solution, and this solution can improve performance and satisfy the application pair of 2.4GHz ISM wave band based on ZigBee Low cost, low power consumption requirements. It includes a high-performance 2.4GHz DSSS (Direct Sequence Spread Spectrum) RF transceiver core and an industrial-grade compact and efficient 8051 controller. Produced by 0.18um CMOS process, it has a high degree of integration. Current consumption during operation is 27mA; in receive and transmit modes, the current consumption is less than 27mA or 25mA, respectively. The CC2430's sleep mode and transition to active mode are ultra-short-time, especially suitable for applications that require very long battery life. The chip is small in size and low in power, provides abundant I/O, and has very low power consumption. At the same time, it has a powerful and flexible development tool and a start-up guidance function, which provides great convenience for program upgrading and maintenance, and is very suitable for the use of the utility model.

Claims (2)

1. a wireless monitoring device that is used for residence energy saving is characterized in that, this device comprises:

One upper management center module is provided with server and the computer cluster that is connected with server in this upper management center module;

One subordinate's management center module is provided with database in this subordinate's management center module, and database is connected with computer cluster;

By the groups of building that commercial building, office building and covil construction constitute, groups of building inside is provided with wireless sensor network, is used to gather the real-time water, electricity, gas energy consumption data of each building point;

One terminal, the real-time water, electricity, gas energy consumption data by each building point of GPRS network transmission groups of building is stored in the distributed measurement and control network terminal computer then;

Described upper management center module is by Internet network communication visit subordinate management center module, and groups of building are stored in the middle of the database by GPRS network and subordinate's management center module communication of terminal, and analyze, modeling and energy-conservation prediction.

2. the wireless monitoring device that is used for residence energy saving as claimed in claim 1, it is characterized in that described wireless sensor network includes the wireless remote monitering platform that main control computing machine, wireless senser, telegon, gateway, routing device and sensor node constitute at least.

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