CN102679510A - Air conditioning system controlled through gateway - Google Patents

Abstract

An air-conditioning system controlled by a gateway, including an air-conditioning system composed of several air conditioners, is characterized in that it also includes an IP-485 gateway, a mobile terminal and a transfer server, and the mobile terminal communicates with the transfer server, the IP-485 gateway and the transfer server in turn through a wireless network Air conditioning system connection. The transfer server is a router, and the mobile terminal uses 3G, GPRS or WIFI to access the World Wide Web and connects to the router; or, the transfer server is a wireless router, and the mobile terminal uses a WIFI connection to access the World Wide Web or a local area network and connect to the wireless network. router connection. The present invention uses mobile terminals such as mobile phones to remotely monitor the air-conditioning system, and can monitor the operation status of the air-conditioning anytime and anywhere, which greatly facilitates the use of users and meets the needs of users. It can not only control a single air conditioner, but also scene control and timing control.

Description

Air conditioning system controlled via gateway

technical field

The invention relates to an air conditioning system, in particular to an air conditioning system controlled by a gateway.

Background technique

In recent years, with the rapid development of electronic technology and the gradual popularization of the Internet to ordinary families, especially the strong promotion of mobile phone manufacturers such as Apple, mobile handheld terminals have an unprecedented popularity rate due to their beautiful appearance, practical functions and humanized design. People have become more and more dependent on mobile handheld terminals. Air conditioners, as the leader in home appliances, are indispensable appliances in home and office environments. The current air conditioner still stays in the traditional control mode, and there are still some deficiencies in the traditional air conditioner, for example: 1. The information on the operation of the air conditioner can only be set in one direction, and the actual working status needs to be checked through the air conditioner host; 2. Use The remote control mode of the remote control is infrared remote control, and the remote control needs to be aimed at the receiver on the air conditioner main unit; 3. Only one-to-one control mode can be realized, and one-to-many control cannot be realized.

With the improvement of people's living standards and the continuous improvement of office and home environments, the number of air conditioners has also increased. How to quickly and conveniently monitor and manage air conditioning systems is imminent. For example, a company has 20 offices and a total of 60 air conditioners. If it is necessary to assign an employee to manage the air conditioners every day, the efficiency and effect can be imagined. Therefore, it is necessary to make further improvements.

Contents of the invention

The purpose of the present invention is to provide an intelligent and convenient air-conditioning system controlled by a gateway, which can perform individual control, scene control and overall control of the air-conditioning system through a mobile terminal at a long distance or a short distance, so as to overcome the deficiencies in the prior art place.

An air-conditioning system controlled by a gateway designed for this purpose includes an air-conditioning system composed of several air conditioners, and its structural feature is that it also includes an IP-485 gateway, a mobile terminal and a transfer server. The mobile terminal communicates with the transfer server in turn through a wireless network , IP-485 gateway and air conditioning system connection.

The transfer server is a router, and the mobile terminal uses 3G, GPRS or WIFI to access the World Wide Web and connects to the router; or, the transfer server is a wireless router, and the mobile terminal uses a WIFI connection to access the World Wide Web or a local area network and connect to the wireless network. router connection.

The mobile terminal includes a display screen, a touch function module, a CPU core module, a power management module, and an Internet access function module; A handheld device on which the air conditioning control system software is installed.

The IP-485 gateway includes an Ethernet module, a first RS485 module, a second RS485 module, a first wireless module, an indicator light module, a key module, a first processor and a power supply module, wherein the Ethernet module, the first RS485 module, the second RS485 module, the first wireless module, the button module, the indicator module and the first processor are connected to form a loop; the air conditioning system is provided with a third RS485 module, a second wireless module and an air conditioner main controller, wherein The third RS485 module, the second wireless module and the main controller of the air conditioner are connected to form a loop.

The air-conditioning system is provided with an RS485 interface or a wireless communication interface through which data exchange is performed with an IP-485 gateway; the wireless communication includes 433M radio frequency communication, Zigbee802.15.4, Bluetooth and WIFI connection methods.

The IP-485 gateway includes Ethernet, RS485, 485MODBUS and wireless communication interfaces, and has conversion functions of various protocols.

Described Ethernet communication agreement is TCP/IP agreement, and RS485 agreement is the common 485 agreement of Midea, and 485MODBUS is MODBUS RTU agreement, and wireless communication adopts 433M radio frequency, Zigbee or WIFI.

The IP-485 gateway includes a group control function, a communication status indication function and a manual fully on and off function.

The present invention has following beneficial effect:

1. The mobile terminal monitoring system can be used to remotely and intuitively monitor the operating status of the air conditioning system and the stand-alone unit. The air conditioner IP-485 gateway is not affected by the distance, and the operation is convenient, which greatly meets the needs of users. 2. The scene control and timing control of the system. After the user can pre-set the operation mode, let the system automatically run according to personal habits. With the air conditioner IP-485 gateway, you can monitor as you like, and even set the scene, you can completely ignore it. to make it run automatically according to the set mode. Save worry and effort for the pursuit of efficiency. 3. Rich interfaces, Ethernet interface, MODBUS interface, wireless interface, RS485 interface and other interfaces are convenient for engineering application and system integration, and the open interface is convenient for integration and integration of third-party systems. 4. The management of the air conditioning system is more convenient. Due to the real-time query status function, it can monitor the current system status intuitively and conveniently, avoiding the waste of electric energy and making life more carbon-friendly. 5. Due to the use of mobile terminal control, the user has avoided the trouble of finding the remote control of the air conditioner among a large number of remote controls. 6. Multi-layer encryption to ensure user information security. 7. The signal is transmitted in encrypted form, which effectively avoids misoperation and ensures the stability of the system.

Description of drawings

Fig. 1 is a block diagram of a remote control system according to an embodiment of the present invention;

Fig. 2 is a local control system block diagram of an embodiment;

Fig. 3 is an air conditioner IP-485 gateway principle frame diagram in an embodiment;

Fig. 4 is a schematic frame diagram of an air conditioner in an embodiment.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Referring to FIG. 1 , an air-conditioning system controlled by a gateway includes an IP-485 gateway 1 , an air-conditioning system 2 , a mobile terminal 3 , a router 4 and a world wide web 5 . The mobile terminal 3 accesses the World Wide Web 5 through 3G or WIFI, communicates with the IP-485 gateway through the air-conditioning control software system, and the IP-485 gateway 1 exchanges data with the air-conditioning system 2 through RS485 or wireless communication, so as to realize the mobile terminal 3 remote monitoring of the air conditioning system 2.

The mobile terminal 3 includes a display screen, a touch function module, a CPU core module, a power management module and an Internet access function module. data input; CPU core module, used to process data and data storage; power management module, used to provide power for equipment; Internet access function module, used to connect to Ethernet, and then connected to air conditioner IP-485 gateway 1, Perform data interaction. The mobile terminal 3 is a mobile phone, MID or PDA smart handheld device using IOS, ANDROID, WINCE, LINUX or other mainstream operating systems, and Midea air-conditioning control system software is installed thereon.

Referring to Figure 3, the air conditioner IP-485 gateway 1 includes a first processor 7, an Ethernet module 8, a first RS485 module 9, a second RS485 module 10, a first wireless module 11, an indicator light module 12, a key module 13, and a power supply Module 14. A loop is formed between each functional module and the first processor 7, and the functions of each module are as follows: the first processor 7, a core processing unit, is used for processing protocol conversion, driving of each module, processing and storage of data, etc.; Ethernet module 8, used to provide Ethernet link, including MAC, PHY and RJ45, etc.; public network access adopts port mapping; the first RS485 module 9, used to communicate with the air conditioning system 2, TTL level and RS485 level conversion, RS485 Data sending and receiving; the second RS485 module 10 is used for RS485 communication with the host computer, providing conversion between RS485 protocol and MODBUS protocol, which can be provided for the integration of third-party systems; the first wireless module 11 is used for communicating with the air conditioning system and wireless The remote controller performs wireless communication, and the carrier frequency is 433MHZ or 2.4GHZ; the indicator light module 12 is used to indicate the working state of the gateway, the working state of the RS485 bus and the working state of the Ethernet; the key module 13 is used to set the parameters of the gateway and the Fully open and fully closed; the power module 14 is used to provide power to the gateway, and convert 220V AC mains into 5V and 3.3V DC.

Referring to Fig. 4, the air-conditioning system 2 includes an air-conditioning main controller 15, a third RS485 module 16 and a second wireless module 17, and the functions of each module are as follows: the air-conditioning main controller 15 is used to process the data of the air-conditioning unit and the logic control of peripherals ; The third RS485 module 16 is used for 485 communication and data interaction with the IP-485 gateway 1; the second wireless module 17 is used for wireless communication and data interaction with the IP-485 gateway 1, and the carrier frequency is 433MHZ or 2.4 GHZ.

The air-conditioning system 2 is provided with an RS485 interface or a wireless communication interface through which data exchange is performed with the IP-485 gateway 1; wireless communication includes 433M radio frequency communication, Zigbee 802.15.4, Bluetooth and WIFI connection methods. IP-485 gateway 1 includes Ethernet, RS485, 485MODBUS and wireless communication interfaces, and has conversion functions of various protocols. The Ethernet communication protocol is the TCP/IP protocol, the RS485 protocol is Midea’s general 485 protocol, the 485 MODBUS is the MODBUS RTU protocol, and the wireless communication uses 433M radio frequency, Zigbee or WIFI. IP-485 gateway 1 includes group control function, communication status indication function and manual fully on and off function.

Referring to FIG. 2 , an air-conditioning system controlled by an IP-485 gateway can communicate with the IP-485 gateway 1 by accessing the same local area network through a wireless router 6 without the need for the World Wide Web 5 . The mobile terminal 3 uses WIFI to search for a WIFI connection, accesses the World Wide Web 5 or the local area network, communicates with the IP-485 gateway 1, and accesses the air-conditioning system 2 . In this way, the mobile terminal 3 locally monitors the air conditioning system 2 .

The specific working method of the present invention: after the user surfs the Internet through 3G or WIFI, the user runs the air conditioner control software system of the mobile terminal 3, and enters the control interface through the unique authorized login, and can view the overall status of the air conditioner system 2 and the single air conditioner accessed. status. The control modes include all control, scene control, stand-alone control and timing control. The control parameters include on, off, temperature setting, working mode, wind speed and swing wind, etc. At the same time, you can check the ambient temperature and the fault status of the air conditioner. The same control is available on PC and laptop.

Claims (8)

1. air-conditioning system through gateway control; Comprise the air-conditioning system of forming by some air-conditionings (2); It is characterized in that also comprising IP-485 gateway (1), portable terminal (3) and transfer server, portable terminal is connected with air-conditioning system with transfer server, IP-485 gateway through wireless network successively.

2. according to the said air-conditioning system through gateway control of claim 1, it is characterized in that said transfer server is router (4), portable terminal (3) adopts 3G, GPRS or WIFI connected mode to insert WWW (5) and is connected with router; Perhaps, said transfer server is wireless router (6), and portable terminal adopts the WIFI connected mode to insert WWW or local area network and is connected with wireless router.

3. according to the said air-conditioning system of claim 2, it is characterized in that said portable terminal (3) includes display screen, touch function module, core cpu module and power management module and function of surfing the Net module through gateway control; Mobile phone, MID or the PDA intelligence handheld device of said portable terminal for adopting IOS, ANDROID, WINCE, LINUX or other mainstream operation systems, and air-conditioner control system software is installed in the above.

4. according to each said air-conditioning system of claim 1-3 through gateway control; It is characterized in that said IP-485 gateway (1) includes ethernet module (8), a RS485 module (9), the 2nd RS485 module (10), first wireless module (11), indicating lamp module (12), key-press module (13), first processor (7) and power module (14), wherein ethernet module, a RS485 module, the 2nd RS485 module, first wireless module, indicating lamp module, key-press module and first processor connect and compose the loop; Be provided with the 3rd RS485 module (16), second wireless module (17) and air-conditioning main controller (15) in the said air-conditioning system (2), wherein the 3rd RS485 module, second wireless module and air-conditioning main controller connect and compose the loop.

5. according to the said air-conditioning system of claim 4, it is characterized in that said air-conditioning system (2) is provided with RS485 interface or wireless communication interface, carries out exchanges data through this communication interface and IP-485 gateway through gateway control; Said wireless telecommunications comprise 433M radio-frequency communication, Zigbee 802.15.4, bluetooth and WIFI connected mode.

6. according to the said air-conditioning system of claim 4, it is characterized in that said IP-485 gateway (1) comprises Ethernet, RS485,485MODBUS and wireless communication interface, possesses the translation function of variety of protocol through gateway control.

7. according to the said air-conditioning system of claim 6 through gateway control; It is characterized in that the ethernet communication agreement is an ICP/IP protocol; The RS485 agreement is beautiful general 485 agreements, and 485MODBUS is the MODBUS rtu protocol, and 433M radio frequency, Zigbee or WIFI are adopted in wireless telecommunications.

8. according to the said air-conditioning system of claim 6, it is characterized in that said IP-485 gateway (1) comprises team control function, communication state deixis and manual completely open and close function through gateway control.

Images