CN201477728U - Near-field remote-control terminal based on ZIGBEE chip - Google Patents

Abstract

The utility model discloses a near-field remote-control terminal based on a ZIGBEE chip, which comprises a controller module, an interface conversion module, a wireless transmitting and receiving module, a key module, a power module and a status indication module, wherein the controller module is connected with the other modules respectively and used for compatibly controlling the operations of the other modules; the interface conversion module is connected with the controller module through a two-way data channel; the wireless transmitting and receiving module transmits or/receives information in a wireless manner; the key module is connected with the controller module; the power module is connected with the other modules in the near-field remote-control terminal respectively; and the status indication module is provided with an LED (light-emitting diode) used for indicating the running status of the near-field remote-control terminal. The near-field remote-control terminal based on the ZIGBEE chip has the advantages of low cost, low power consumption, good confidentiality, portability, wide application range and the like, and can be widely applied to the numerous fields of near-field wireless control.

Description

Closely remote terminal based on the ZIGBEE chip

Technical field

The utility model relates to communication technique field, is specifically related to a kind of closely remote terminal based on the ZIGBEE chip.

Background technology

In the daily life, the telepilot that we touched is more and more, TV, sound equipment, electronic iron gate, light, palmtop device even steam turbine car etc. have been comprised, since these most employings of equipment that possess remote control mechanism can not intercommunication agreement, also therefore we have no idea to use unified control module to control, the equipment of controlling when needs gets more and more, our telepilot on hand also just and then becomes many, not only mix up sometimes in the use and cause inconvenience, aspect the arrangement in space, more allow the consumer puzzle one's brains.

Abominable at environment, under the situation that the people can't be close, need use a teleswitch and control and information interaction, sometimes even require wireless controller to have very strong confidentiality, specificity.

Present telepilot on the market, big odd encoder is simple, a telepilot can be controlled a lot of of a sort products, and confidentiality is poor, adopts simple FM or AM modulation technique, some does not even use any coding, and the telepilot of each manufacturer production is incompatible, can not intercommunication, and cause an equipment must be equipped with the telepilot of this producer, bother very much if damage or lose all, caused certain waste simultaneously.Press for the situation of the unified this confusion of a kind of telepilot.

In some specific applications, for example use a teleswitch in the lowered in field environment monitoring and environment measuring robot or equipment carry out information interaction, this telepilot just has some special requirements: 1, require to have good confidentiality; 2, require a telepilot can control the non-interfering work of different equipment simultaneously; 3, require to have extremely low power consumption, portable.

The utility model content

Technical problem to be solved in the utility model is: how a kind of closely remote terminal based on the ZIGBEE chip is provided, should can control and information interaction equipment in the seamless embedded system based on the closely remote terminal of ZIGBEE chip, advantage such as also have low cost, low-power consumption, good portability, good confidentiality simultaneously, be widely used.

For achieving the above object, the technical scheme that the utility model adopted is: a kind of closely remote terminal based on the ZIGBEE chip is provided, it is characterized in that: comprise controller module, interface modular converter, radio receiving transmitting module, key-press module, power module and state indicating module;

Described controller module interconnects with interface modular converter, radio receiving transmitting module, key-press module, power module and state indicating module respectively, is used to coordinate to control the work of each module;

Described interface modular converter is connected with controller module by bidirectional data path, and being used for information translation is RS232, and RS485 or CAN form and extraneous electronic installation communicate;

Described radio receiving transmitting module sends wirelessly or/and reception information, for setting up bidirectional data path between controlled device and the controller module;

Described key-press module is connected with controller module, is used to receive key commands and key information is passed to controller module;

Described power module is connected with other each modules in the remote terminal closely respectively, for each module in the remote terminal closely provides power supply;

Described state indicating module is provided with and is used to indicate the closely LED luminotron of the running status of remote terminal.

In sum, the closely remote terminal based on the ZIGBEE chip provided by the utility model has following advantage:

1, integrate based on the wireless chip of ZIGBEE and receive and dispatch, price is low, and is low in energy consumption, and area is little, is convenient to miniaturization;

2, the chip based on the ZIGBEE technology adopts modern coding techniquess such as DSSS, good confidentiality;

3, power consumption is extremely low, uses common No. 5 batteries of a joint can work more than 1 year;

4, not only can remote control but also can carry out information interaction, very convenient;

5, adopt 128 bit length numbers that telepilot is carried out unique number, can discern automatically and control equipment, and can increase control function and option;

6, can refuse illegal control of remote controller order, and be uploaded to legal telepilot.

Accompanying drawing and explanation thereof

Fig. 1 is the theory diagram of the closely remote terminal based on the ZIGBEE chip provided by the utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model is further described:

As shown in the figure, should comprise controller module, interface modular converter, radio receiving transmitting module, key-press module, power module and state indicating module based on the closely remote terminal of ZIGBEE chip; Described controller module interconnects with interface modular converter, radio receiving transmitting module, key-press module, power module and state indicating module respectively, is used to coordinate to control the work of each module; Described interface modular converter is connected with controller module by bidirectional data path, and being used for information translation is RS232, and RS485 or CAN form and extraneous electronic installation communicate; Described radio receiving transmitting module sends wirelessly or/and reception information, for setting up bidirectional data path between controlled device and the controller module; Described key-press module is connected with controller module, is used to receive key commands and key information is passed to controller module; Described power module is connected with other each modules in the remote terminal closely respectively, for each module in the remote terminal closely provides power supply; Described state indicating module is provided with and is used to indicate the closely LED luminotron of the running status of remote terminal.

The ZIGBEE chip that the utility model adopted has following advantage: 1, low-power consumption: the power consumption under dormant state has only 1 μ W, general short distance communication work power consumption then is 30mW, under standby mode, common alkaline battery can be kept 6 months to the service time more than 2 years.This also is one of advantage of regarding as a pride most of ZigBee; 2, low cost: the ZigBee transmission speed is low, framework is simple, and the rule of ZigBee channelizing more simply, not frequency hopping, use single transmitting-receiving frequency, 26 agreement units (Protocol Primitives) are only arranged aspect protocol stack, in comparison, blue bud then has 131, and therefore the cost on design of hardware and software is minimized; 3, working frequency range is flexible: the employed frequency range of ZigBee is according to the difference of the open situation of country, be respectively 2.4GHz, 868MHz (Europe) and 915MHz (U.S.), these frequency ranges all belong to unlicensed band, but according to the difference of frequency range, also difference to some extent on transmission speed and distance, transfer rate in the 868MHz frequency range is 20kbit/s, distance can reach 300 meters, and when the 915MHz frequency range, transfer rate is 40kbit/s, transmission range is 30～75 meters, as for aspect the 2.4GHz of the global general-use frequency range, during transfer rate 250kbit/s, about 10 meters of transmission range, if speed is dropped to 28kbit/s, then can reach about 134 meters transmission range; 4, security is good: ZigBee provides data integrity inspection and authority to distinguish function, and hardware itself is supported CRC and AES-128 coding.Therefore can be applied in the environment with high standard security requirement.

This patent is applied to the ZIGBEE technology in the telepilot, replaces existing normal remote control, and to make the user only use a telepilot be the may command various device and carry out information interaction.Economical and practical, convenient and simple, energy-conserving and environment-protective.This patent adopts the wireless chip based on ZIGBEE of transceiver, and peripheral circuit is simple; The interface of standard is provided, as RS232, RS485, CAN; Volume is little, and is low in energy consumption, and secondary development is fairly simple; As broad as long on the using method with normal remote control.

But; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.

Claims (1)

1. the closely remote terminal based on the ZIGBEE chip is characterized in that: comprise controller module, interface modular converter, radio receiving transmitting module, key-press module, power module and state indicating module;

Described controller module interconnects with interface modular converter, radio receiving transmitting module, key-press module, power module and state indicating module respectively, is used to coordinate to control the work of each module;

Described interface modular converter is connected with controller module by bidirectional data path, and being used for information translation is RS232, and RS485 or CAN form and extraneous electronic installation communicate;

Described radio receiving transmitting module sends wirelessly or/and reception information, for setting up bidirectional data path between controlled device and the controller module;

Described key-press module is connected with controller module, is used to receive key commands and key information is passed to controller module;

Described power module is connected with other each modules in the remote terminal closely respectively, for each module in the remote terminal closely provides power supply;

Described state indicating module is provided with and is used to indicate the closely LED luminotron of the running status of remote terminal.

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