CN101510091A - Digital household centralized control equipment with signal filtration function - Google Patents

Abstract

The invention discloses a digital family centralized control device capable of filtering input signals, which can realize remote control of household electrical appliances. The control signal must first pass identity verification, and then filter out a large amount of garbage and invalid control signals through the filtering of mobile phone signals and network signals. Control the work of various electrical equipment, and send the current status of the external equipment to the LCD liquid crystal display circuit, so that the user can monitor whether the various electrical appliances in the home are operating normally, and report the abnormality to the property or the designated mobile phone number through the mobile phone signal processing module. And the PV operation is adopted for the users who access the equipment, so as to realize the mutually exclusive operation of each household appliance by the users, and avoid the problems caused by different users operating the same equipment at the same time.

Description

A digital home centralized control device with signal filtering function

technical field

The invention relates to a device for remotely controlling household electrical appliances, in particular to a digital family centralized control device with signal filtering function.

Background technique

With the rapid development of electronics and network technology and the continuous improvement of people's living standards, people have new and higher requirements for the quality of life, and the voice for intelligent, digital and informatization of the home environment is also getting higher and higher. Especially for some home appliances in the family, such as: home computers, information terminals, set-top boxes, handheld computers, TVs, refrigerators, air conditioners, water heaters, electric lights, etc., it has not been possible to achieve unified control and remote control so far. Centralized control devices, such as Tsinghua Tongfang's home intelligent centralized controller and digital home appliance remote control products of Guangzhou Yijia Intelligent Technology Co., Ltd. Because the voice remote home appliance control system based on the public telephone network and broadband network is used, the unified network control is carried out through the entire community. Users need to control various electrical switches and alarm systems in the home through the management center of the community. Remote control of home appliances has large operating limitations and poor actual use effects, so it is not a real remote control.

Contents of the invention

The invention provides a remote control device for household appliances with a filtering function, which solves the problems of some existing similar devices that cannot filter invalid signals and has poor anti-interference ability. It makes it impossible for different users to operate the same device at the same time, and avoids various abnormalities caused by the structural problems of the system itself. The present invention solves the current problem by adopting the idea of directly operating household devices through the remote centralized control device. There are some methods to control the use of home appliances through the management center of the community, which truly realizes remote control, rather than just pseudo-remote control within or near the community. Since the present invention has a simple interactive function, it can realize timely feedback on user operations, so that users can clearly grasp the status of each electrical device and the changes and current status of the currently operated device due to this operation, so that users Proceed to the next step. Since the LCD liquid crystal display circuit is used to display the current state of each electrical equipment, when an abnormality occurs, the LCD liquid crystal display circuit module can provide information to the corresponding security alarm module, and then the security alarm module sends information to the designated mobile phone and related information through the mobile phone signal processing module. The property department sounded the alarm.

The technical scheme that the present invention takes is as follows:

In the present invention, a central controller is respectively connected with a mobile phone signal processing module, a network signal processing module, an LCD liquid crystal display circuit, a keyboard, and an external equipment management and control module, and the security alarm module is connected with the mobile phone signal processing module, external equipment management and connected to the control module. The present invention is used for remotely controlling various operations of at least one household device, achieves the purpose of unified control and remote control, and provides a simple, flexible and convenient home environment for modern families.

The mobile phone signal processing module includes an adapter, a signal receiving module, a signal filtering module and a feedback module, wherein the signal receiving module is used for signal reception, the signal filtering module is used for filtering invalid signals, and the feedback module is used for feeding back current device status and sending an alarm system signal to the designated mobile phone.

The network signal processing module is connected to the Internet through a broadband access bus via a broadband adapter, and mainly includes a broadband adapter, a signal receiving device, and a result control feedback device.

The external device management and control module includes an adapter interconnected with home devices, a device management module, and a device control module. The external device management and control module has equipment control and management functions, and has many external interfaces, including wired interfaces and wireless interfaces. Interface, when the home appliance is connected to these external interfaces, the external device management and control module will automatically complete the registration of the device and assign an address to the device, so that when the control command is issued, the corresponding device can be found and effectively operated ; also provide user registration, both mobile phone users and network users must register in this system, and send the corresponding registration form to the mobile phone signal processing module and network signal processing module, so that these two modules can separately The signals are filtered, and only the user operations contained in the user registry and the devices in the device registry are effective operation signals.

The central control module includes various adapters, various modulators, PV operation modules, command transmission devices, and data processing devices. The central control module is used to complete the interpretation and conversion of network protocols and the processing of commands and data. The PV operation module adopts PV operation technology realizes mutually exclusive operations of different users, avoiding abnormalities caused by different users operating the same device at the same time.

The LCD liquid crystal display circuit includes an adapter, a signal receiving device and a liquid crystal display device.

The security alarm module includes an adapter, a command accepting device, and an alarm device. The household equipment includes information equipment, communication equipment, entertainment equipment, household electrical equipment, automation equipment, security monitoring devices and the like. Information equipment includes home computers, handheld computers, wireless mobile terminal equipment; communication equipment includes IP phones, videophones, E-Mail and other equipment; entertainment equipment includes set-top boxes, game consoles and other equipment; Class digital electrical equipment, a large number of audio/video acquisition equipment or display equipment, and ordinary household electrical equipment. Ordinary household electrical appliances are connected with external equipment management and control modules through digital control adapters. The ordinary household electrical appliances are household electrical appliances such as TVs, air conditioners, refrigerators, washing machines, microwave ovens, and a large number of audio/video acquisition equipment or display equipment. Including cameras and televisions.

The digital home centralized control device with signal filtering function provided by the present invention has the following advantages:

1) Due to the use of automatic registration of equipment and manual registration of users to form two registration lists, we can filter the submitted control signals according to these two registration lists, and only the signals that are in the two registration lists at the same time are valid signal, so that the present invention has a good filtering function.

2) Due to the adoption of the design method that the device is directly interconnected with household appliances, the original practice of controlling household equipment through the property management network of the community is abandoned, and real remote control is realized instead of being limited to the community Near the so-called remote control.

3) The network and wireless communication technology of the present invention extends the control in the home to the outdoors, and can control and operate the home equipment in various ways, such as wireless and network, and use this device to interconnect with the home equipment, so that all connected The household electrical appliances in this device become an organic whole and cooperate to provide complete services for household users.

4) The present invention fully considers the follow-up development, and is an open system. Considering the support for future equipment, as long as there is a suitable adapter, it can support future new equipment, and has strong openness and scalability.

5) Since the PV operation is adopted to realize mutually exclusive operations of different users, a series of inconsistencies caused by different users operating on the same device at the same time are avoided.

6) Use the LCD display circuit to monitor the status of each household device in real time, and immediately feed back the latest situation to the user.

Description of drawings

Fig. 1 is the general structural diagram of the present invention;

Fig. 2 is the PV operation primitive figure that the present invention realizes mutually exclusive access;

Fig. 3 is a diagram of an application example of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the present invention is described in further detail:

Figure 1 is an overall structural diagram of the home appliance remote control device with signal filtering function of the present invention. Since the present invention is to connect all home appliances as a whole, unified control and remote control are realized, and a family internal network centered on this device is formed. , can realize simple interconnection and intercommunication, this network supports dynamic networking and information sharing among home devices, and provides interoperability and ease of use of home devices. Among them, the specific functions of dynamic networking include: 1. The devices in the network do not need to manually configure network parameters in advance; Filter invalid signals; 3. Users use PV operation when operating any equipment. If multiple users operate a certain equipment at the same time, a waiting queue will be formed, and the equipment status and usage status will be sent to the LCD liquid crystal display circuit immediately, and immediately The message is fed back to the user.

As shown in Figure 1, the centralized control device mainly includes a central controller. The functions of the central control are to enable users to mutually exclusive access equipment, interpretation and conversion of network protocols, data conversion and flow determination, simple command interpretation and execution, and firewall functions. , can be connected to the external network through the network signal processing module, can also be connected to specific home appliances through the device management and control module, and can also be connected to wireless devices such as mobile phones through the wireless signal processing module, and also connected to the LCD liquid crystal display circuit to display the home appliances state.

The network signal processing module is connected to the Internet by the broadband adapter through the broadband access bus, and is mainly responsible for the transmission of broadband data; the broadband adapter usually uses cable modem, asymmetric subscriber digital loop modem and other modulation and demodulation equipment to realize various forms of broadband access.

The external device management and control module is connected with the display/control device and AV device through the digital media control adapter, and is mainly used to transmit control commands to the connected home devices and receive feedback control results from the home devices. Generally, various common household devices are connected through narrowband interfaces, such as: air conditioners, TVs, electric lights, and so on. The external equipment management and control module is connected with the household equipment through the adapter. These adapters have the following three functions: 1. Device address, different devices are distinguished through adapters with different attributes; 2. Device commands transmitted by the central processor can be converted into analog or digital signals that the device can execute for further operation 3. Feedback of device status, that is, to reflect the current status of household devices to the central processor, and then sent to the LCD liquid crystal display circuit by the central processor to display the current status of each household device.

Household equipment in the present invention generally includes information equipment, communication equipment, entertainment equipment, household appliances, automation equipment, security monitoring devices, etc., wherein information equipment generally refers to home computers, palmtop computers, and wireless mobile terminal equipment; communication equipment includes IP Telephone, videophone, E-Mail and other equipment; entertainment equipment includes set-top boxes, game consoles and other equipment; household electrical equipment can be divided into three categories: a type of digital electrical equipment with a universal digital interface, which can be connected through USB, IEEE1394, Serial ports, parallel ports or similar digital interfaces; a large number of audio/video acquisition devices or display devices, such as cameras, televisions, digital monitors, etc., as well as ordinary household electrical appliances that are commonly used in daily use, such as electric lights , refrigerators, air conditioners, washing machines, electric curtains, etc., which can be directly or through digital control adapters connected to the central processor via external device management and controllers.

The wireless signal processing module is connected to the mobile phone device through an external interface to achieve a relatively low-speed narrowband access; it can also be connected to a device with a wireless interface through a wireless digital control adapter, and the received wireless signal is compared with the registry, If the wireless signal in both the device registry and the user registry is a valid signal, it can be sent to the central controller, otherwise it is an invalid signal, and an error signal is fed back to the sending source through the feedback module.

The external device management and control module is also used to realize the interconnection of household appliances, automation equipment, and security modules. The central controller sends signals to the device manager and the controller module mainly for various control instructions and device status data. The data transmission in this module is mainly to realize real-time and reliability.

The user in the present invention can issue commands to the system through mobile phone terminals and external networks, such as the Internet, and then operate the corresponding equipment through the central processor. Usually, the mobile phone uses icons to represent equipment and status. Before operation, the mobile phone can give After the operation, the execution result can be fed back. In addition, the user must pass user verification, such as verification password, biometric password, etc., and the number of verification errors is within a limited range before performing subsequent operations.

Figure 2. The PV primitive diagram for mutually exclusive access. Various external communication devices, such as mobile phones or network devices, pass user authentication and send control instructions to the central processor. The central controller performs PV operations, as shown in Figure 2. According to the device status fed back by the external device management and control module, if other users are using the current home appliance, the control command enters the waiting queue. If there is no user using the device, the P operation is performed and the control command is executed. At the same time, modify the state of the device so that subsequent instructions cannot use the device until the instruction is executed, perform V operation, release the first instruction waiting to be executed in the waiting queue, and perform P operation, again restricting the execution of subsequent processes.

Combined with Figure 3, analyze an implementation process:

Example: Since the present invention incorporates household electrical equipment into the unified control system, the user can turn on the water heater at home through the mobile phone on the way home, so that he can take a comfortable hot bath after arriving home.

Since the transmission requirements of control commands are not high, the above operations mainly involve the wireless signal processing module and related adapters. The specific steps are shown in Figure 3, mainly including the following steps:

Step 301: the user dials the receiving device of the mobile phone signal processing module through the mobile phone, and obtains a connection with the mobile phone signal processing module;

Step 302: The remote control software is installed in the central controller. First, the mobile phone user passes the verification, and then prompts the user to select the control object through the mobile phone. Correspondingly, the user selects and controls the water heater through the keys of the mobile phone;

Step 303: After the central controller receives the control command, it performs PV operation to see if there is currently a user operating the water heater. If so, the command enters the waiting queue. If not, it analyzes the address, locates it, and sends it to the external device management and the control module, which forwards it to the digital control adapter connected to the water heater;

Step 304: After the digital control adapter receives the instruction forwarded by the external device management and control module, it converts it into a control code that the water heater can recognize, and sends it to the water heater, thereby realizing the control of the water heater.

The external device management and control functions in the present invention mainly include automatic identification of devices, automatic registration of devices, and management and control of services provided by devices. This function establishes relevant standards for the registration, management and use of device services, so that It can effectively manage equipment services and realize plug-and-play services.

Service management mainly includes:

1) Provide the ability to perform automatic registration, service response and service cancellation for all device services;

2) Provide a unified device service description method;

Through the web-based control interface, users can realize scene music control and home security through interactive operations.

When the device enters the system, it needs to communicate with the central processor to complete the functions of device discovery, device registration and device service registration. When the device leaves the system, the device sends a device uninstallation message to the central processor, and the central processor receives it. Send back a device uninstall response message, allowing it to go offline.

Claims (8)

1. A digital home centralized control device with signal filtering function is characterized in that a central controller is connected with mobile phone signal processing module, network signal processing module, external equipment management and control module, LCD liquid crystal display circuit and keyboard respectively; The central controller is used to analyze the control command and send it to the external device management and control module, and the external device management and control module controls the household appliances to complete the required operations; The mobile phone signal processing module is used to receive the short message sent by the mobile phone, and sends the mobile phone control signal to the central controller, and is also responsible for sending the alarm information sent by the security alarm system to a specific user; The network signal processing module is used to receive signals sent by the network, send network control signals to the central controller, and feed back some execution result information to designated network terminals to complete simple interactions; The external equipment management and control module is used to receive control signals sent by the central controller, and send wireless control signals to each electrical equipment to control the status of each electrical equipment; The LCD liquid crystal display circuit is used for displaying status information of each electrical equipment. 2. The digital home centralized control device with signal filtering function according to claim 1, characterized in that, the central controller has a signal filtering function, and finds out the authorized mobile phone or network by comparing with the registry signal, to mask out the signal of the signal source that is not registered in this device. 3. The digital family centralized control device with signal filtering function according to claim 1, characterized in that, said external device management and control module automatically registers and assigns addresses to electrical equipment connected to the device, Manually register with the equipment that sends mobile phone signals and network signals to this device. Only mobile phone users and network users who have registered on this device can send valid signals, and complete the operation of electrical equipment connected to this device through this device. 4. The digital home centralized control device with signal filtering function according to claim 1, characterized in that, the mobile phone signal processing module is connected to the wireless device through a wireless device adapter. 5. The digital home centralized control device with signal filtering function according to claim 1, characterized in that, the common household electrical equipment is connected with the external equipment management and control module through a digital control adapter. 6. The digital family centralized control device with signal filtering function according to claim 1, characterized in that, the central controller receives the alarm from the external equipment management and control module, and sends an alarm to the user through the mobile phone signal processing module. 7. The digital home centralized control device with signal filtering function according to claim 1, characterized in that, the central controller is connected with the keyboard, and sends the control command inputted by the keyboard to the external equipment management and control module. Control signals, and then control the work of various electrical equipment. 8. The digital home centralized control device with signal filtering function according to claim 1, characterized in that, the external device management and control module uses PV operation to complete mutually exclusive operations on household electrical equipment, so as to prevent different users from using Problems caused by operating on the same device over time.