CN202652542U

CN202652542U - Wireless ad-hoc network system

Info

Publication number: CN202652542U
Application number: CN2012203242422U
Authority: CN
Inventors: 李胜峰
Original assignee: Sichuan Lanxun Baoer Electronic Technology Co Ltd
Current assignee: Sichuan Lanxun Baoer Electronic Technology Co Ltd
Priority date: 2012-07-06
Filing date: 2012-07-06
Publication date: 2013-01-02
Anticipated expiration: 2022-07-06

Abstract

Disclosed in the utility model is a wireless ad-hoc network system that comprises a wireless communication network formed by a convergent point and at least one node. The convergent point consists of a microprocessor, a data communication module, a real-time clock module and a radio-frequency circuit. The node includes a wireless communication module, a microprocessor, a data communication module, a relay, an A/D converter, a D/A converter and a real-time clock module. According to the utility model, a real-time clock and wireless awakening are combined organically; and the real-time clock carries out long-time awakening at an interval and the wireless awakening carries out awakening in a short period, so that the whole power consumption of a wireless ad-hoc network can be reduced. Moreover, an I/O interface can be provided externally, thereby realizing basic functions of A/D or D/A conversion, state detection and level outputting and the like. In addition, some common peripheral driving functions can be realized and can be applied conveniently; and there is no need to develop corresponding hardware and software according to the provided hardware and software interfaces, thereby saving the cost.

Description

A kind of wireless self-networking system

Technical field

The utility model relates to a kind of wireless self-networking system.

Background technology

In the existing Radio Network System, when concrete the application, the hardware and software interface that needs the user to utilize wireless self-networking module to provide is developed corresponding hardware and software, namely need to carry out secondary development to it for using.Such as, when utilizing the prior wireless network node to carry out street lamp control, because it is not with the control logic of street lamp, so need to design one with the control circuit board of MCU, it can communicate with wireless network node, and can control street lamp, but produced so extra spending, increased cost; When carrying out in addition that imageing sensor is controlled in the water, electricity, gas table, because belt sensor control logic not so need to design a microcontroller in the water, electricity, gas table, has increased extra spending.

And the node in the existing Radio Network System all is in the wireless awakening state at ordinary times, under this state, wake up every a long period section and intercept the short time, respond with regard to waking up immediately if hear valid data, just reenter the wireless awakening state after having responded.But in the communication, node only communicates with convergent point or PDA, does not communicate by letter between the wireless module, also do not form network, what this communication mode covered is limited in scope, and needs a lot of convergent point cooperation works, and the installation of convergent point is also cumbersome, the dead angle occurs easily.

The utility model content

The purpose of this utility model namely is to overcome the deficiency of present technology, a kind of wireless self-networking system is provided, adopt the wireless self-networking pattern, networking is initiated by convergent point, near only waking up node, node after the adding wakes up its peripheral node again, has avoided like this point-to-point communication pattern drawback at dead angle to occur; And real-time clock (RTC) and wireless awakening are combined, real-time clock (RTC) carries out waking up of long-time interval, and wireless awakening carries out waking up in the short time, can reduce like this overall power of wireless self-networking; The I/O interface externally is provided, realize the basic functions such as A/D or D/A conversion, state-detection, level output, in addition, can also realize the driving function of some peripheral hardwares commonly used, can easily carry out some application, need not to contrast the hardware and software interface exploitation that provides and go out corresponding hardware and software, save cost.

The utility model is achieved through the following technical solutions: a kind of wireless self-networking system, comprise the cordless communication network that a convergent point and at least one node form, described convergent point comprises microprocessor, data communication module, real-time clock (RTC) module and radio circuit, data communication module, real-time clock (RTC) module and radio circuit all are connected on the microprocessor, radio circuit connects external network by antenna, data communication module connection management center; Described node comprises wireless communication module, microprocessor, data communication module, relay, A/D converter, D/A converter and real-time clock (RTC) module, described data communication module, relay, A/D converter, D/A converter and real-time clock (RTC) module all are connected on the microprocessor, wireless communication module comprises radio circuit and antenna, radio circuit is connected on the microprocessor, antenna connects convergent point by external network, and data communication module connects external instrument.

The communication standard that described data communication module adopts is RS232, RS485 or TTL.

Described administrative center connects convergent point by radio communication.

Described administrative center is by serial ports and convergent point wired connection.

Described external instrument is by serial ports and node wired connection, or is connected with node by radio communication.

The time synchronized of the real-time clock (RTC) module of described convergent point and the real-time clock (RTC) module of node.

The beneficial effects of the utility model are:

(1) adopt the wireless self-networking pattern, networking is initiated by convergent point, near the node only waking up, and the node after the adding wakes up its peripheral node again, has avoided like this point-to-point communication pattern drawback at dead angle to occur;

(2) real-time clock (RTC) and wireless awakening are combined, real-time clock (RTC) carries out waking up of long-time interval, and wireless awakening carries out waking up in the short time, can reduce the overall power of wireless self-networking;

(3) can externally provide the I/O interface, realize the basic functions such as A/D or D/A conversion, state-detection, level output, in addition, can also realize the driving function of some peripheral hardwares commonly used, can easily carry out some application, need not to contrast the hardware and software interface exploitation that provides and go out corresponding hardware and software, provide cost savings.

Description of drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation of convergent point;

Fig. 3 is the structural representation of node.

Embodiment

The utility model is described in further detail below in conjunction with embodiment, but structure of the present utility model is not limited only to following examples:

Such as Fig. 1, Fig. 2, shown in Figure 3, a kind of wireless self-networking system, comprise the cordless communication network that a convergent point and at least one node form, described convergent point comprises microprocessor, data communication module, real-time clock (RTC) module and radio circuit, data communication module, real-time clock (RTC) module and radio circuit all are connected on the microprocessor, radio circuit connects external network by antenna, data communication module connection management center; Described node comprises microprocessor, data communication module, real-time clock (RTC) module and radio circuit, data communication module, real-time clock (RTC) module and radio circuit all are connected on the microprocessor, radio circuit connects external network by antenna, and data communication module connects external instrument.

Described administrative center has with the connected mode of convergent point: radio communication is connected and the serial ports wired connection.

Described external instrument has with the connected mode of node: radio communication is connected and the serial ports wired connection.

The course of work of the present utility model is as follows:

(1) interrupt signal of the real-time clock (RTC) module of node meeting timed sending is to the microprocessor of node, and the microprocessor that is in resting state namely enters the wireless awakening state;

(2) the real-time clock (RTC) module of convergent point can send interrupt signal synchronously to the microprocessor of convergent point, microprocessor namely begins to send wireless awakening frame and beacon frame, after receiving the wireless awakening frame, near node namely is waken up, then namely add network after receiving beacon frame, these nodes also can send wireless awakening frame and beacon frame after adding network, so that near the node their is waken up and is added network, such as node 1, node 2, node 3 is waken up first the adding network, then node 1, node 2, node 3 sends wireless awakening frame and beacon frame again, with node 1, node 2, node such as node 4 near the node 3, node 6, node 7 is waken up rear adding network, and then node 4, node 6, near the node 7 node receives node 4, node 6, be waken up again the adding network behind the wireless awakening frame that node 7 sends and the beacon frame;

(3) behind the node access network, radio circuit is received outside aerial data by antenna, just it is carried out dissection process, carry out corresponding operation according to analysis result, comprise by relay and drive external equipment, such as street lamp, also use modulus or digital-to-analogue conversion, or by data communication module access external instrument, such as transducer, after operation is finished, microprocessor is the result data processing of packing, and launches by wireless communication module, if this node is near convergent point, data can be directly to and reach convergent point, if this node keeps clear of convergent point, then by other nodes with data relay to convergent point, send to first node 6 after receiving image data such as node 9, node 6 re-sends to node 2, and node 2 is forwarded to convergent point again;

(4) after convergent point received image data by radio circuit, microprocessor sent to administrative center by data communication module after image data is carried out analyzing and processing again.

Claims

1. wireless self-networking system, comprise the cordless communication network that a convergent point and at least one node form, it is characterized in that: described convergent point comprises microprocessor, data communication module, real-time clock (RTC) module and radio circuit, data communication module, real-time clock (RTC) module and radio circuit all are connected on the microprocessor, radio circuit connects external network by antenna, data communication module connection management center; Described node comprises wireless communication module, microprocessor, data communication module, relay, A/D converter, D/A converter and real-time clock (RTC) module, described data communication module, relay, A/D converter, D/A converter and real-time clock (RTC) module all are connected on the microprocessor, wireless communication module comprises radio circuit and antenna, radio circuit is connected on the microprocessor, antenna connects convergent point by external network, and data communication module connects external instrument.

2. a kind of wireless self-networking according to claim 1 system, it is characterized in that: the communication standard that described data communication module adopts is RS232, RS485 or TTL.

3. a kind of wireless self-networking according to claim 1 system, it is characterized in that: described administrative center connects convergent point by radio communication.

4. a kind of wireless self-networking according to claim 1 system, it is characterized in that: described administrative center is by serial ports and convergent point wired connection.

5. a kind of wireless self-networking according to claim 1 system, it is characterized in that: described external instrument is by serial ports and node wired connection.

6. a kind of wireless self-networking according to claim 1 system, it is characterized in that: described external instrument is connected by radio communication with node.

7. a kind of wireless self-networking according to claim 1 system is characterized in that: the time synchronized of the real-time clock (RTC) module of described convergent point and the real-time clock (RTC) module of node.