CN101188432A - ZigBee wireless communication module for middle and remote distance communication - Google Patents
ZigBee wireless communication module for middle and remote distance communication Download PDFInfo
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- CN101188432A CN101188432A CNA2006101547482A CN200610154748A CN101188432A CN 101188432 A CN101188432 A CN 101188432A CN A2006101547482 A CNA2006101547482 A CN A2006101547482A CN 200610154748 A CN200610154748 A CN 200610154748A CN 101188432 A CN101188432 A CN 101188432A
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Abstract
The invention discloses a ZigBee wireless communication module which can implement intermediate and long distance communication. The invention includes a ZigBee wireless signal generating/receiving circuit, a first passage switching circuit, a passage switching control circuit, a low noise amplifier circuit, a radio frequency power amplifier circuit, and a second passage switching circuit. The first passage switching circuit is bi-directionally connected with the ZigBee wireless signal generating/receiving circuit, the radio frequency power amplifier circuit is connected between the output end of the first passage switching circuit and the input end of the second passage switching circuit; the low noise amplifier circuit is connected between the output end of the second passage switching circuit and the input end of the first passage switching circuit; the second passage switching circuit is connected to an antenna. The invention can conduct power amplifying on a transmitting signal, and can conduct low-noise amplifying on a receiving signal. The invention can reach thousands of meters of communication distance in the open environment, can pass through at least three layers of reinforced concrete walls, have high reliability, and can be applicable for various complex and harsh environments.
Description
[technical field]
The present invention relates to the ZigBee wireless communication module, relate in particular to the ZigBee wireless communication module that to realize medium and long distance communication.
[background technology]
ZigBee is as a kind of short distance, low rate, low power consumption wireless network technology, between thousands of small transducers, coordinate to realize communication mutually, mode with relay passes to another transducer with data from a transducer by radio wave, so their communication efficiency is very high.Yet in actual application environment, there are many obstacle materials that are unfavorable for the signal transmission, because ZigBee uses the wireless microwave frequency band of 2.4GHZ-2.5GHZ, the wireless signal of so high frequency values, speed in space attenuation is just very fast, having under the situation of barrier still more, space such as home environment is all more crowded, the space is open inadequately, the wall in the room wherein, ceiling is topmost barrier, the maximum characteristics of microwave are exactly to be close to straightline propagation, diffracting power very a little less than, the radio receiver that therefore is in the barrier back can be stopped by barrier.
Present ZigBee module generally can only penetrate one wall in the distance that can only transmit under the situation of clear about 100-200 rice.Its transmission range is short, the defective of penetration capacity difference has limited the ZigBee development of Communication Technique widely, and the ZigBee technology of superior performance can not be applied on a large scale.
So, how to design a kind of more rational circuit, can improve the transmission range of ZigBee wireless communication module greatly, strengthen the penetration capacity of ZigBee wireless communication module, make the ZigBee wireless communication module can realize medium and long distance communication, apply thereby the ZigBee technology that makes superior performance can access on a large scale, become the important topic of technical field of communication personnel research.
[summary of the invention]
Purpose of the present invention solves the problems of the prior art exactly, a kind of ZigBee wireless communication module that can realize medium and long distance communication is proposed, can improve the transmission range of ZigBee wireless communication module greatly, strengthen the penetration capacity of ZigBee wireless communication module, make the ZigBee wireless communication module can realize medium and long distance communication, apply thereby the ZigBee technology of superior performance can be accessed on a large scale.
For achieving the above object, the present invention proposes a kind of ZigBee wireless communication module that can realize medium and long distance communication, comprise ZigBee wireless signal generation/receiving circuit, also comprise the first passage commutation circuit, the passage control switching circuit, low noise amplifier circuit, rf power amplifier circuit and second channel commutation circuit, described first passage commutation circuit and two-way connection of ZigBee wireless signal generation/receiving circuit, be connected with rf power amplifier circuit between the input of the output of first passage commutation circuit and second channel commutation circuit, be connected with low noise amplifier circuit between the input of the output of second channel commutation circuit and first passage commutation circuit, the passage control switching circuit respectively with ZigBee wireless signal generation/receiving circuit, the first passage commutation circuit, low noise amplifier circuit, rf power amplifier circuit is connected with the second channel commutation circuit, and the second channel commutation circuit is connected on the antenna.
As preferably, also comprise output matching circuit, the output matching circuit of connecting between second channel commutation circuit and the antenna.
As preferably, the connection between above-mentioned each circuit adopts the radio frequency microstrip line to connect.
As preferably, described ZigBee wireless signal generation/receiving circuit is to produce and discern the electronic device of the radiofrequency signal that meets ZigBee wireless signal physical criterion and cooperate circuit, this circuit can send information in the mode that meets ZigBee wireless signal physical criterion, also the information that is wherein comprised can be from the radiofrequency signal that meets ZigBee wireless signal physical criterion, correctly extracted, but the generation and the reception of ZigBee wireless signal can not be carried out simultaneously.
As preferably, described channel switching circuit is to switch the electronic device of radio signal transmission direction and cooperate circuit, is subjected to the control of passage control switching circuit, and radiofrequency signal is switched to the transmission channel of appointment, and avoids radiofrequency signal produced and disturb.
As preferably, described passage control switching circuit is to carry out the electronic device of specific level conversion and logical operation and cooperate circuit, and the passage control switching circuit can produce 4 tunnel control signals simultaneously: the unlatching of the 1 tunnel control low noise amplifying circuit or close; The 2 tunnel power controlling amplifying circuit opens or cuts out; The switching direction of the 3 tunnel control first passage commutation circuit; The switching direction of the 4 tunnel control second channel commutation circuit.
As preferably, described low noise amplifier circuit is the electronic device that the radiofrequency signal that receives is amplified and cooperates circuit, and low noise amplifier circuit amplifies radiofrequency signal, and the least possible noise that adds in original signal.
As preferably, described rf power amplifier circuit is electronic device and the cooperation circuit thereof that the radiofrequency signal that ZigBee wireless signal generation/receiving circuit is produced is amplified, after radiofrequency signal is amplified through this power amplification circuit, can after transmitting at a distance, still can be correctly validated.
As preferably, described output matching circuit be will output radiofrequency signal put on the electronic device on the antenna and cooperate circuit, output matching circuit is adjusted the characteristic of radiofrequency signal to such an extent that match with antenna.
As preferably, described radio frequency microstrip line is the call wire of the transmission radiofrequency signal of low differential loss.
Beneficial effect of the present invention: the present invention is by the switching of channel switching circuit, carries out power amplification when transmitting to transmitting, and adjusts the characteristic of radiofrequency signal to such an extent that match with antenna by output matching circuit; During acknowledge(ment) signal the radiofrequency signal that receives is amplified by low noise amplifier circuit, and the least possible noise that in original signal, adds, receiving sensitivity improved.Volume of the present invention is little, can be embedded in other equipment that needs radio communication, and communication distance is far away, can reach the communication distance of several kms in open environment, penetration capacity is strong, can pass through the aluminium that is no less than three layers and mix the earth body of wall, the reliability height is suitable for various complexity, severe environment applications.Make the ZigBee wireless communication module can realize medium and long distance communication, apply thereby the ZigBee technology of superior performance can be accessed on a large scale.
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is the circuit block diagram that the present invention can realize the ZigBee wireless communication module of medium and long distance communication;
Fig. 2 is the circuit theory diagrams that the present invention can realize the ZigBee wireless communication module of medium and long distance communication.
[embodiment]
Fig. 1 is the circuit block diagram that the present invention can realize the ZigBee wireless communication module of medium and long distance communication; Comprise ZigBee wireless signal generation/receiving circuit 1, first passage commutation circuit 2, passage control switching circuit 3, low noise amplifier circuit 4, rf power amplifier circuit 5 and second channel commutation circuit 6, described first passage commutation circuit 2 and 1 two-way connection of ZigBee wireless signal generation/receiving circuit, be connected with rf power amplifier circuit 5 between the input of the output of first passage commutation circuit 2 and second channel commutation circuit 6, be connected with low noise amplifier circuit 4 between the input of the output of second channel commutation circuit 6 and first passage commutation circuit 2, passage control switching circuit 3 respectively with ZigBee wireless signal generation/receiving circuit 1, first passage commutation circuit 2, low noise amplifier circuit 4, rf power amplifier circuit 5 is connected with second channel commutation circuit 6, and second channel commutation circuit 6 is connected on the antenna.Also comprise output matching circuit 7, the output matching circuit 7 of connecting between second channel commutation circuit 6 and the antenna.Connection between above-mentioned each circuit adopts radio frequency microstrip line 8 to connect.
Described ZigBee wireless signal generation/receiving circuit 1 is to produce and discern the electronic device of the radiofrequency signal that meets ZigBee wireless signal physical criterion and cooperate circuit, this circuit can send information in the mode that meets ZigBee wireless signal physical criterion, also the information that is wherein comprised can be from the radiofrequency signal that meets ZigBee wireless signal physical criterion, correctly extracted, but the generation and the reception of ZigBee wireless signal can not be carried out simultaneously.Therefore ZigBee wireless signal generation/receiving circuit 1 produces a condition indicative signal 9, this condition indicative signal 9 is used to indicate above-mentioned ZigBee wireless signal generation/receiving circuit 1 to be in signal generation state or accepting state, and this condition indicative signal 9 also can produce the control signal that passage switches by passage control switching circuit 3.
Described channel switching circuit 2 is to switch the electronic device of radio signal transmission direction and cooperate circuit, be subjected to the control of passage control switching circuit 3, radiofrequency signal is switched to the transmission channel of appointment, and avoid as far as possible radiofrequency signal is produced interference, to keep original quality of radiofrequency signal to greatest extent.
Described passage control switching circuit 3 is to carry out the electronic device of specific level conversion and logical operation and cooperate circuit, and passage control switching circuit 3 can produce 4 tunnel control signals simultaneously: the unlatching of the 1 tunnel control low noise amplifying circuit 4 or close; The 2 tunnel power controlling amplifying circuit 5 opens or cuts out; The switching direction of the 3 tunnel control first passage commutation circuit 2; The switching direction of the 4 tunnel control second channel commutation circuit 6.According to the condition indicative signal 9 that ZigBee wireless signal generation/receiving circuit 1 is provided, this passage control switching circuit 3 can produce above-mentioned 4 tunnel control signals simultaneously.The control signal that passage control switching circuit 3 is produced has strict physical electrical characteristic and logic rules, and follows tight time sequencing.
Described low noise amplifier circuit 4 is electronic devices that the radiofrequency signal that receives is amplified and cooperates circuit, and low noise amplifier circuit 4 amplifies radiofrequency signal, and the least possible noise that adds in original signal.After radiofrequency signal was amplified through this low noise amplifying circuit 4, the information that is wherein comprised by 1 identification of ZigBee wireless signal generation/receiving circuit that can be more prone to reached the effect that increases receiving sensitivity.
Described rf power amplifier circuit 5 is electronic device and cooperation circuit thereof that the radiofrequency signal that ZigBee wireless signal generation/receiving circuit 1 is produced is amplified, after radiofrequency signal is amplified through this power amplification circuit 5, can be after transmitting at a distance, still can be correctly validated, thereby reach the purpose that increases communication distance.
Described output matching circuit 7 is that the radiofrequency signal that will export puts on the electronic device on the antenna and cooperates circuit, and output matching circuit 7 is adjusted the characteristic of radiofrequency signal to such an extent that match with antenna.The radiofrequency signal of output is through after the above-mentioned output matching circuit 7, and the characteristic of radiofrequency signal will be output match circuit 7 and adjust to such an extent that match with antenna 10, therefore can not reflected by antenna 10 and causes the decay of signal.
Described radio frequency microstrip line 8 is call wires of the transmission radiofrequency signal of low differential loss.Above-mentioned radio frequency microstrip line 8 possesses specific characteristic impedance, and therefore when transmitting radiofrequency signal, can be few as far as possible radiofrequency signal be produced disturbed or loss.
When ZigBee wireless signal generation/receiving circuit 1 is in transmit status, the control signal that passage control switching circuit 3 is produced according to condition indicative signal 9, can finish following control action: control low noise amplifier circuit 4 is closed; Control rf power amplifier circuit 5 is opened; Control channel commutation circuit 2 is switched, and makes radiofrequency signal by rf power amplifier circuit 5, output matching circuit 7, launched by antenna 10 at last, and radiofrequency signal can be propagated fartherly after being amplified by rf power amplifier circuit 5.When ZigBee wireless signal generation/receiving circuit 1 is in accepting state, the control signal that passage control switching circuit 3 is produced according to condition indicative signal 9, can finish following control action: control low noise amplifier circuit 4 is opened; Control rf power amplifier circuit 5 is closed; Control channel commutation circuit 2 is switched, and makes the radiofrequency signal that receives from antenna 10 by output matching circuit 7, low noise amplifier circuit 4.Like this, the radiofrequency signal after amplifying through low noise amplifier circuit 4 is easy to be discerned wherein information by ZigBee wireless signal generation/receiving circuit 1.
Fig. 2 is the circuit theory diagrams that the present invention can realize the ZigBee wireless communication module of medium and long distance communication.ZigBee wireless signal generation/receiving circuit 1 adopts ZigBee wireless telecommunications chip U6, the pin3 of ZigBee wireless telecommunications chip U6 is connected with first passage commutation circuit 2 with pin4, first passage commutation circuit 2 adopts the second integrated circuit U2, the pin3 of the second integrated circuit U2 is connected with low noise amplifier circuit 4 by the 15 capacitor C 15, the pin8 of the second integrated circuit U2 is connected with rf power amplifier circuit 5 with pin12, low noise amplifier circuit 4 adopts the 5th integrated circuit U5, rf power amplifier circuit 5 adopts the 4th integrated circuit U4, the pin5 of the 4th integrated circuit U4 is by the 5th inductance L 5 and the 23 capacitor C 23 and second channel commutation circuit 6, second channel commutation circuit 6 adopts the first integrated circuit U1, and the pin5 of the first integrated circuit U1 is connected with output matching circuit 7 by the 8th capacitor C 8.
The foregoing description is to explanation of the present invention, is not limitation of the invention, any circuit after the simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (10)
1. can realize the ZigBee wireless communication module of medium and long distance communication, comprise ZigBee wireless signal generation/receiving circuit (1), it is characterized in that: also comprise first passage commutation circuit (2), passage control switching circuit (3), low noise amplifier circuit (4), rf power amplifier circuit (5) and second channel commutation circuit (6), described first passage commutation circuit (2) and two-way connection of ZigBee wireless signal generation/receiving circuit (1), be connected with rf power amplifier circuit (5) between the input of the output of first passage commutation circuit (2) and second channel commutation circuit (6), be connected with low noise amplifier circuit (4) between the input of the output of second channel commutation circuit (6) and first passage commutation circuit (2), passage control switching circuit (3) respectively with ZigBee wireless signal generation/receiving circuit (1), first passage commutation circuit (2), low noise amplifier circuit (4), rf power amplifier circuit (5) is connected with second channel commutation circuit (6), and second channel commutation circuit (6) is connected on the antenna.
2. the ZigBee wireless communication module that can realize medium and long distance communication as claimed in claim 1 is characterized in that: also comprise output matching circuit (7), the output matching circuit (7) of connecting between second channel commutation circuit (6) and the antenna.
3. the ZigBee wireless communication module that can realize medium and long distance communication as claimed in claim 1 is characterized in that: the connection between above-mentioned each circuit adopts radio frequency microstrip line (8) to connect.
4. as claim 1 or the 2 or 3 described ZigBee wireless communication modules that can realize medium and long distance communication, it is characterized in that: described ZigBee wireless signal generation/receiving circuit (1) is to produce and discern the electronic device of the radiofrequency signal that meets ZigBee wireless signal physical criterion and cooperate circuit, this circuit can send information in the mode that meets ZigBee wireless signal physical criterion, also the information that is wherein comprised can be from the radiofrequency signal that meets ZigBee wireless signal physical criterion, correctly extracted, but the generation and the reception of ZigBee wireless signal can not be carried out simultaneously.
5. as claim 1 or the 2 or 3 described ZigBee wireless communication modules that can realize medium and long distance communication, it is characterized in that: described channel switching circuit (2) is to switch the electronic device of radio signal transmission direction and cooperate circuit, be subjected to the control of passage control switching circuit (3), radiofrequency signal is switched to the transmission channel of appointment, and avoid radiofrequency signal is produced interference.
6. as claim 1 or the 2 or 3 described ZigBee wireless communication modules that can realize medium and long distance communication, it is characterized in that: described passage control switching circuit (3) is to carry out the electronic device of specific level conversion and logical operation and cooperate circuit, and passage control switching circuit (3) can produce 4 tunnel control signals simultaneously: the unlatching of the 1 tunnel control low noise amplifying circuit (4) or close; The 2 tunnel power controlling amplifying circuit (5) opens or cuts out; The switching direction of the 3 tunnel control first passage commutation circuit (2); The switching direction of the 4 tunnel control second channel commutation circuit (6).
7. as claim 1 or the 2 or 3 described ZigBee wireless communication modules that can realize medium and long distance communication, it is characterized in that: described low noise amplifier circuit (4) is electronic device and the cooperation circuit thereof that the radiofrequency signal that receives is amplified, low noise amplifier circuit (4) amplifies radiofrequency signal, and the least possible noise that adds in original signal.
8. as claim 1 or the 2 or 3 described ZigBee wireless communication modules that can realize medium and long distance communication, it is characterized in that: described rf power amplifier circuit (5) is electronic device and the cooperation circuit thereof that the radiofrequency signal that ZigBee wireless signal generation/receiving circuit (1) is produced is amplified, after radiofrequency signal is amplified through this power amplification circuit (5), can after transmitting at a distance, still can be correctly validated.
9. the ZigBee wireless communication module that can realize medium and long distance communication as claimed in claim 2, it is characterized in that: described output matching circuit (7) is that the radiofrequency signal that will export puts on the electronic device on the antenna and cooperates circuit, and output matching circuit (7) is adjusted the characteristic of radiofrequency signal to such an extent that match with antenna.
10. the ZigBee wireless communication module that can realize medium and long distance communication as claimed in claim 3 is characterized in that: described radio frequency microstrip line (8) is the call wire of the transmission radiofrequency signal of low differential loss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101547482A CN101188432A (en) | 2006-11-17 | 2006-11-17 | ZigBee wireless communication module for middle and remote distance communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101547482A CN101188432A (en) | 2006-11-17 | 2006-11-17 | ZigBee wireless communication module for middle and remote distance communication |
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| CN101188432A true CN101188432A (en) | 2008-05-28 |
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| CNA2006101547482A Pending CN101188432A (en) | 2006-11-17 | 2006-11-17 | ZigBee wireless communication module for middle and remote distance communication |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969318A (en) * | 2010-10-25 | 2011-02-09 | 无锡信捷电气有限公司 | Zigbee wireless communication device |
| CN102183294A (en) * | 2011-03-15 | 2011-09-14 | 浙江大学 | Environment noise wireless real-time monitoring system based on ZigBee technology |
| CN102457601A (en) * | 2010-10-22 | 2012-05-16 | 国民技术股份有限公司 | System and method for notifying incoming call information of intelligent RFID (Radio Frequency Identification Device) card mobile phone |
| CN101807951B (en) * | 2010-02-08 | 2012-11-14 | 常州赛杰电子信息有限公司 | Communication distance extender of wireless sensor network and extension method |
| CN104009771A (en) * | 2013-02-25 | 2014-08-27 | 民瑞科技股份有限公司 | Wireless communication front-end modular circuit and bypass control method |
| CN104820370A (en) * | 2015-04-22 | 2015-08-05 | 深圳市贝晶光电科技有限公司 | Smart home signal amplifying circuit |
| CN105809792A (en) * | 2016-03-14 | 2016-07-27 | 北京天诚盛业科技有限公司 | Circuit for remote transmission and biological recognition device and access control system |
-
2006
- 2006-11-17 CN CNA2006101547482A patent/CN101188432A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807951B (en) * | 2010-02-08 | 2012-11-14 | 常州赛杰电子信息有限公司 | Communication distance extender of wireless sensor network and extension method |
| CN102457601A (en) * | 2010-10-22 | 2012-05-16 | 国民技术股份有限公司 | System and method for notifying incoming call information of intelligent RFID (Radio Frequency Identification Device) card mobile phone |
| CN101969318A (en) * | 2010-10-25 | 2011-02-09 | 无锡信捷电气有限公司 | Zigbee wireless communication device |
| CN101969318B (en) * | 2010-10-25 | 2014-07-16 | 无锡信捷电气股份有限公司 | Zigbee wireless communication device |
| CN102183294A (en) * | 2011-03-15 | 2011-09-14 | 浙江大学 | Environment noise wireless real-time monitoring system based on ZigBee technology |
| CN102183294B (en) * | 2011-03-15 | 2013-03-13 | 浙江大学 | Environment noise wireless real-time monitoring system based on ZigBee technology |
| CN104009771A (en) * | 2013-02-25 | 2014-08-27 | 民瑞科技股份有限公司 | Wireless communication front-end modular circuit and bypass control method |
| CN104820370A (en) * | 2015-04-22 | 2015-08-05 | 深圳市贝晶光电科技有限公司 | Smart home signal amplifying circuit |
| CN104820370B (en) * | 2015-04-22 | 2018-05-04 | 江山惠企科技服务有限公司 | A kind of smart home signal amplification circuit |
| CN105809792A (en) * | 2016-03-14 | 2016-07-27 | 北京天诚盛业科技有限公司 | Circuit for remote transmission and biological recognition device and access control system |
| CN105809792B (en) * | 2016-03-14 | 2018-02-13 | 北京天诚盛业科技有限公司 | Circuit and biological identification device, gate control system for long-distance transmissions |
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Open date: 20080528 |