CN101655693B - Controlled unit for positioner system based on wireless sensor network - Google Patents
Controlled unit for positioner system based on wireless sensor network Download PDFInfo
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- CN101655693B CN101655693B CN200910144991XA CN200910144991A CN101655693B CN 101655693 B CN101655693 B CN 101655693B CN 200910144991X A CN200910144991X A CN 200910144991XA CN 200910144991 A CN200910144991 A CN 200910144991A CN 101655693 B CN101655693 B CN 101655693B
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Abstract
The invention discloses a controlled unit for a positioner system based on a wireless sensor network, which comprises a control module, a radio frequency receiving-transmitting module, an electric source module, a relay driving module, a serial port communication module and a frequency converter module, wherein the radio frequency receiving-transmitting module, the electric source module, the relay driving module and the serial port communication module are connected with the control module, the frequency converter module is connected with the serial port communication module, a serial port which can carry out wired communication with a control end is also connected to the control module, and a communication mode between the controlled unit and the control end comprises a wireless network communication mode and a wired serial port communication mode; and two control modes to the positioner are adopted by the controlled unit and include a relay control mode and a frequency converter control mode. The invention is convenient for switching and is not easily interfered by electromagnetic waves in middle and low frequency ranges on an industrial spot, has high anti-jamming performance and reliability, not only works in the wireless communication mode, but also works in the wired serial communication mode, and can also carry out the communication with the control end in special environments.
Description
Technical field
The invention belongs to commercial production control field, relate in particular to the controlled device that is used for the positioner system based on wireless sensor network.
Background technology
In Traditional industrial was used, hundreds of rice were realized the signal transmission of control end needing the wiring of large amount of complex through wired mode of cable with interior short distance control, had brought potential safety hazard and easy care not when increasing cost.And GSM (Global System for Mobile Communications; Global system for mobile communications) though etc. traditional medium and low frequency wireless communication technology be fit to the communications field of long distance; But cost is high, anti-interference is poor; When being used for industry spot control, the as easy as rolling off a log electromagnetic interference that receives the medium and low frequency section of industry spot is used so the medium and low frequency communication technology is not suitable for the controlled in wireless of industrial circle.In addition, if the simple wireless sensor network technology that uses, in some specific environment, such as the zone that is cut off by thick sheet metal, wireless signal is difficult to pass, and can't communicate by letter between control end and the controlled device.
Summary of the invention
The technical matters that the present invention will solve is: a kind of controlled device that is used for the positioner system based on wireless sensor network is provided; Can work in communication; Can work in wired serial communication mode again, also can carry out proper communication with control end in specific environment, and easy switching.
Technical scheme of the present invention is: based on the controlled device that is used for the positioner system of wireless sensor network; Comprise control module 1 and the RF receiving and transmission module 2, power module 3, relay driving module 4 and the serial communication modular 5 that are attached thereto; And the frequency converter module 6 that links to each other with serial communication modular; Also be connected with the serial ports 7 that ability and control end carry out wire communication on the said control module 1; Said control module 1 control RF receiving and transmission module 2 sends and receives radio frequency signal, and the communication pattern between controlled device and the control end can be wireless communication pattern or wired serial interface communication mode.
More detailed technical scheme of the present invention is:
Said controlled device has two kinds of control modes to positioner, comprises relay control mode and Frequency Converter Control mode.
Said control module 1 comprises processor chips MC13213.
Said RF receiving and transmission module 2 adopts radio frequency chip CC2590.
Said serial communication modular 5 adopts chip 754LBC184.
Said frequency converter module 6 adopts the frequency converter of CHF100_1R5G model.
Advantage of the present invention is:
1. can be used for the wireless network transmissions control signal, not rely on cable communication, save the wiring of large amount of complex, practice thrift cost, the commercial production scene is cleaner and tidier, has reduced potential safety hazard and labile factor;
2. the radiofrequency signal of 2.4GHz is sent and received to wireless radio frequency modules, can not receive the Electromagnetic Interference of the medium and low frequency section of industry spot, has very strong anti-interference;
3. the special area that can't communicate through wireless signal and control end for controlled device adopts wired serial communication mode, realizes control through free switch operating mode.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the structured flowchart of controlled device embodiment of the present invention;
Fig. 2 is the connection synoptic diagram of the control module of controlled device embodiment of the present invention;
Fig. 3 is the connection synoptic diagram of the RF receiving and transmission module of controlled device embodiment of the present invention;
Fig. 4 is the synoptic diagram of the relay driving module of controlled device embodiment of the present invention;
Fig. 5 is the synoptic diagram of the serial communication modular of controlled device embodiment of the present invention;
Fig. 6 is the synoptic diagram of the frequency converter module of controlled device embodiment of the present invention;
Fig. 7 is the synoptic diagram of the power module of controlled device embodiment of the present invention;
Fig. 8 is the workflow diagram of controlled device embodiment of the present invention.
Wherein: 1 control module; 2 RF receiving and transmission modules; 3 power modules; 4 relay driving module; 5 serial communication modulars; 6 frequency converter modules; 7 connect the serial ports of control end.
Embodiment
Embodiment: the controlled device structure that is used for the positioner system based on wireless sensor network of present embodiment is as shown in Figure 1; Comprise control module 1 and the RF receiving and transmission module 2, power module 3, relay driving module 4 and the serial communication modular 5 that are attached thereto; And the frequency converter module 6 that links to each other with serial communication modular; Also be connected with the serial ports 7 that ability and control end carry out wire communication on the said control module, said RF receiving and transmission module 2 sends and receives the radiofrequency signal of 2.4GHz.Power module 3 provides stable working power for control module 1.
Communication pattern between said controlled device and the control end comprises two kinds of wireless communication pattern and wired serial interface communication mode; When control end is selected wireless transmit; Can transmit control signal to controlled end; Make controlled end adopt the wireless communication pattern, when control end was selected wire communication, controlled end adopted wired serial interface communication mode.Under the wireless communication pattern, receive the RF control signal that control ends are sent through RF receiving and transmission module 2, or order having under the ray mode to communicate to receive through TTL serial ports and control end.Handled by the packet of 1 pair of signal of control module then, the output relay control signal is given relay driving module 4 or is sent to frequency converter module 6 through serial communication modular 5.
As shown in Figure 2; Control module 1 in the present embodiment adopts the processor chips MC13213 of Freescale company; Wherein PA_CTRL, HGM and CT_Bias are the control signals that control module 1 is given RF receiving and transmission module 2; RFIN_P and RFIN_M be and the rf transmission signals of RF receiving and transmission module 2, and OUT0～OUT3 is the output control signal of MC13213 to relay driving module 4, and TXD1 and RXD1 are the interface data signals when carrying out the serial ports transmission mode with control end; TXD2, RXD2, PTC4 and PTC5 be and the interface signal of serial communication modular 5, and wherein, TXD2 and RXD2 are data-signals, and PTC4 and PTC5 are control signals.
As shown in Figure 3, the RF receiving and transmission module 2 of present embodiment adopts chip CC2590, and wherein PA_CTRL, HGM, CT_Bias are the control signals of CC2590, by control module control signal are provided.RFIN_P, RFIN_M are the signaling interfaces that carries out radio frequency transmission with MC13213.ANT is connected with exterior antenna, sends and receive the 2.4GHz radio frequency signal.
As shown in Figure 4, the relay driving module 4 of present embodiment adopts triode to drive, and relay is selected model VERT73-S-1C for use, and 1,2 pin of relay are the coil two ends, and 3,4 pin are for often driving the group switch.The 3rd pin COM and the 4th pin OUT conducting of (high level) relay when the relay enable signal OUT0～OUT3 by control module 1 output is open command, promptly normal open switch is closed, the running of control positioner.OUT0～OUT3 can distinguish corresponding 4 kinds of positioner control function, such as: descends, rise, turn over down, on turn over perhaps other, the switch of relay is directly controlled the running of positioner.
As shown in Figure 5, serial communication modular 5 adopts 485 chip 75LBC184, converts Transistor-Transistor Logic level to 485 rs 232 serial interface signals.RXD2, TXD2 are the Transistor-Transistor Logic level signals from control module 1 output; PTC4 and PTC5 are the control signals from the 75LBC184 of control module 1 output.When PTC4 and PTC5 are high level signal simultaneously, export 485 signal A, otherwise, 485 signal B received.A and B are the communication interfaces of 75LBC184 and frequency converter module 6.
As shown in Figure 6, the frequency converter of the CHF100_1R5G model that the frequency converter module 6 employing English prestige of present embodiment are risen and communication interface A and the B of 75LBC184, A is from the 75LBC184 input signal, and B exports signal to 75LBC184; Lead-out terminal R, S, T are the three phase electric machine signals of output, link to each other with positioner.Serial communication between serial communication modular 5 and the frequency converter module 6 is based on the ModBus communications protocol of international standard.Can realize the control of positioner is comprised through frequency converter: suddenly stop, quicken, slow down, just change control operations such as counter-rotating.
As shown in Figure 7, power module 3 adopts power supply chip LM2576, and this chip can become the voltage transitions of 7.0V-40V 3.3V, 5V, 12V, 15V.Native system utilizes LM2576 that the 12V power source conversion is become 5V WV (VCC5), uses this module can obtain stable WV, and can not run into the under-voltage situation that powers on.
The connected mode more specifically of present embodiment is: the 20th and 21 pin output TXD1 and the RXD1 of control module MC13213 are used for carrying out wired serial communication with control end; 48～51 pin output OUT0～OUT3 succeeds the input of electrical equipment driver module; 34th, 43 and 44 pin are exported the 3rd, 7 and 5 (6) pin that CT_Bias, HGM and PA_CTRL give RF receiving and transmission module CC2590 respectively; The 36th pin output signal RFIn_P of control module MC13213 and the 35th pin input signal RFIn_M meet CC2590 respectively through an inductance the 2nd pin RF_N and the 4th pin RF_P.Also be in series with an electric capacity between the 2nd and the 4th pin of CC2590; The match circuit external antenna that 11 pin ANT form through inductance, electric capacity.The the 1st to the 4th pin RXD2 of the 75LBC184 of serial communication modular 5, PTC4, PTC5 and TXD2 be the 13rd, 16,17 and 12 pin of link control module MC13213 respectively, and the 6th pin output a-signal is given the frequency converter module, and the 7th pin is from frequency converter module input B signal.
The workflow of the controlled device of present embodiment is as shown in Figure 8; Carry out a series of initialization after powering on, the receiving mode of at first judging controlled device is wireless communication pattern and wired serial interface communication mode, gets into listen mode then respectively; Circulation intercepts whether receive data; Under the wireless communication pattern,, communicate the reception data through TTL serial ports and control end having under the ray mode through RF receiving and transmission module 2 receiving radio datas.If listen to data, whether judgment data is correct also to the control end return information, correct answer acknowledgement frame; Frame is denied in the answer of mistake, under the wireless communication pattern, sends radiofrequency signal through RF receiving and transmission module 2; Under wired serial interface communication mode, give control end through serial ports wire transmission, and then as required; Select the control model of positioner; Relay control mode control or Frequency Converter Control mode directly transmit control signal to relay driving module through control module, or control module is through the work of serial communication modular control of conversion device module.
The above is merely the preferred embodiments of the present invention, can not limit the scope that the present invention implements with this, and all simple conversion of doing according to claim of the present invention and description all should still belong to the protection domain that the present invention covers.
Claims (6)
1. controlled device that is used for the positioner system based on wireless sensor network; The RF receiving and transmission module (2) that comprises control module (1) and be attached thereto, power module (3), relay driving module (4) and serial communication modular (5); And the frequency converter module (6) that links to each other with serial communication modular; It is characterized in that: also be connected with the serial ports (7) that ability and control end carry out wire communication on the said control module (1); Said control module (1) control RF receiving and transmission module (2) sends and receives radio frequency signal, and the communication pattern between controlled device and the control end can be wireless communication pattern or wired serial interface communication mode.
According to described in the claim 1 based on the controlled device that is used for the positioner system of wireless sensor network, it is characterized in that: said controlled device has two kinds of control modes to positioner, comprises relay control mode and Frequency Converter Control mode.
According to described in the claim 1 based on the controlled device that is used for the positioner system of wireless sensor network, it is characterized in that: said control module (1) comprises processor chips MC13213.
According to described in the claim 1 based on the controlled device that is used for the positioner system of wireless sensor network, it is characterized in that: said RF receiving and transmission module (2) adopts radio frequency chip CC2590.
According to described in the claim 1 based on the controlled device that is used for the positioner system of wireless sensor network, it is characterized in that: said serial communication modular (5) adopts chip 754LBC184.
According to described in the claim 1 based on the controlled device that is used for the positioner system of wireless sensor network, it is characterized in that: said frequency converter module (6) adopts the frequency converter of CHF1001R5G model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910144991XA CN101655693B (en) | 2009-09-15 | 2009-09-15 | Controlled unit for positioner system based on wireless sensor network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910144991XA CN101655693B (en) | 2009-09-15 | 2009-09-15 | Controlled unit for positioner system based on wireless sensor network |
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| CN101655693A CN101655693A (en) | 2010-02-24 |
| CN101655693B true CN101655693B (en) | 2012-05-30 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6040555A (en) * | 1998-02-20 | 2000-03-21 | Illinois Tool Works Inc. | Remote control for welders and method therefor |
| CN101516561A (en) * | 2006-11-16 | 2009-08-26 | 伊利诺斯工具制品有限公司 | Method and apparatus for wireless remote control communication of a welder |
| CN201514572U (en) * | 2009-09-15 | 2010-06-23 | 苏州博联科技有限公司 | Controlled device based on wireless sensor network and used for positioner system |
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2009
- 2009-09-15 CN CN200910144991XA patent/CN101655693B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6040555A (en) * | 1998-02-20 | 2000-03-21 | Illinois Tool Works Inc. | Remote control for welders and method therefor |
| CN101516561A (en) * | 2006-11-16 | 2009-08-26 | 伊利诺斯工具制品有限公司 | Method and apparatus for wireless remote control communication of a welder |
| CN201514572U (en) * | 2009-09-15 | 2010-06-23 | 苏州博联科技有限公司 | Controlled device based on wireless sensor network and used for positioner system |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2007-160320A 2007.06.28 |
| JP特开平10-305366A 1998.11.17 |
| 石玗.弧焊机器人用数控焊接变位机控制系统研究.《中国优秀博硕士学位论文全文数据库(硕士) 工程科技I辑》.2002,(第01期),全文. * |
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