CN103295382A - Gamma-ray wireless sensing monitoring apparatus and system - Google Patents
Gamma-ray wireless sensing monitoring apparatus and system Download PDFInfo
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Abstract
The invention discloses a gamma-ray wireless sensing monitoring apparatus and a system. The gamma-ray wireless sensing monitoring apparatus comprises a gamma-ray information collection device (11) and a gamma-ray wireless sensing monitoring interface (12), wherein the gamma-ray information collection device (11) comprises a gamma energy spectrum probe and an intelligent scaler, the gamma-ray wireless sensing monitoring interface (12) comprises a microcontroller, an information storage device, an interface converter, a wireless transceiving device and a power supply, and the interface converter is connected between the intelligent scaler and the microcontroller so as to prevent microcontroller burnout. The gamma-ray wireless sensing monitoring system comprises the gamma-ray wireless sensing monitoring apparatus (1), a gamma-ray wireless sensing network (2) and a gamma-ray wireless sensing monitoring center (3), wherein a wireless sensing unit (31) and the gamma-ray wireless sensing monitoring apparatus (1) are subjected to wireless communication through the gamma-ray wireless sensing network (2) so as to achieve gamma-ray remote monitoring.
Description
Technical field
The present invention relates to a kind of gamma-rays monitoring device and system, particularly a kind of gamma-rays wireless sensing monitoring device and system.
Background technology
Along with application and the development of nuclear technology in fields such as nuclear powers, radiomaterial especially gamma-rays more and more is subjected to people's attention to the pollution of environment.Gamma-rays is because self-energy is more intense, and is bigger to the human body hazard ratio.The gamma-rays monitoring technology that adopts is mainly wired (as shown in Figure 1) at present, because the wired monitoring technology of gamma-rays is installed complicated, higher, the poor expandability of maintenance cost, therefore, the wireless monitor The Application of Technology more and more widely.
Chinese patent application CN103064100 (number of patent application is 201210590929.5) provides a kind of intelligent nuclear radiation monitoring machine, mainly comprise: mobile platform and data platform, mobile platform is used for described data platform is moved, data platform comprises: control module, nuclear radiation data sampling sensor and geographical location information collector, though the staff need not to enter in the monitored area, guaranteed personal safety, but this installation cost is higher relatively.
The gamma-rays monitoring that appears as of radio sensing network technology provides new method, radio sensing network to build conveniently, and the node cost is lower, wide coverage.Chinese patent application CN101923172A (number of patent application is 200910033055.1) discloses a kind of intelligent network nuclear radiation monitoring and sensing node and control method thereof, and intelligent network nuclear radiation monitoring and sensing node mainly comprises communication module, micro control module, temperature sensor, GPS and Radiation Module; Though it can send the data of node collection to observer by networking, but node can only directly send data to Surveillance center by single-hop, if the distance of node and Surveillance center is bigger, easily cause the waste of node energy, the cost of node is also higher simultaneously; And its power consumption height, there particularly do not have the place of commercial power supply to use in long distance to be very inconvenient, and the power consumption height also burns out parts easily.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art and a kind of gamma-rays wireless sensing monitoring device and system are provided, can realize the long-distance wireless monitoring of gamma-rays information by the system of this device laying, its stable and reliable operation, parts connect coupling rationally, can not cause phenomenon such as to burn out, durable in use; Its power consumption is low, is particularly suitable for carrying out teletransmission in the place that does not have civil power; It is arranged net flexibly, and it is convenient to dispose, and cost is low.
Technical scheme of the present invention is: a kind of gamma-rays wireless sensing monitoring device, and it comprises gamma-rays information collecting device and gamma-rays wireless sensing monitoring interface; The gamma-rays information collecting device comprises gamma spectrum probe and intelligent scaler; The gamma spectrum probe is connected with intelligent scaler, and the gamma spectrum probe can be gathered the gamma-rays simulating signal; The intelligence scaler can realize the conversion of A/D signal and energy spectrum analysis; Gamma-rays wireless sensing monitoring interface comprises microcontroller, information-storing device, interface convertor, wireless transmitter and power supply, and wireless transmitter comprises wireless transceiver, impedance matching circuit and dual-mode antenna; Power supply comprises power transfer module and/or battery; Information-storing device, interface convertor and wireless transceiver all are connected with microcontroller; Power supply is connected with information-storing device, wireless transceiver and microcontroller, for these parts provide working power; Interface convertor also is connected with the intelligent scaler of gamma-rays information collecting device, and the voltage of the gamma-rays information that interface convertor can send the intelligent scaler of gamma-rays information collecting device is adjusted to the voltage that is fit to microcontroller; The gamma-rays information collecting device sends the gamma-rays information of gathering to gamma-rays wireless sensing monitoring interface, and gamma-rays wireless sensing monitoring interface is the gamma-rays information collecting device outwards transmits information by wireless mode interface.
The further technical scheme of the present invention is: described gamma spectrum probe is FJ-374 gamma spectrum probe; The intelligence scaler is FH463A intelligence scaler; Microcontroller in the gamma-rays wireless sensing monitoring interface is the ATMegal28L chip; Interface convertor is the CP2102 chip; Interface convertor CP2102 is connected with the USB interface of intelligent scaler FH463A, and namely the lead-in wire 5 pin D-of CP2102 end, 4 pin D+ end are connected with D-end, the D+ end of the USB interface of intelligent scaler FH463A respectively; The lead-in wire 26 pin TXD end of CP2102,25 pin RXD end are connected with lead-in wire 2 pin PE0/RXD0 end, the 3 pin PE1/TXD0 end of microcontroller ATMegal28L respectively, microcontroller ATMegal28L carries out reading of information by the gamma-rays information collecting device of CP2102, and the voltage of the gamma-rays information that interface convertor CP2102 can send intelligent scaler FH463A is adjusted to the voltage that is fit to microcontroller ATMegal28L deal with data.
The present invention further technical scheme is: the information-storing device in the described gamma-rays wireless sensing monitoring interface is Flash AT45DB021D storage chip, information-storing device Flash AT45DB021D is connected by the I/O interface of SPI serial line interface with the USART mode of microcontroller ATMegal28L, and microcontroller ATMegal28L carries out the Information Access operation by the USART mode to information-storing device Flash AT45DB021D.
The present invention's further technical scheme again is: the wireless transceiver of described wireless transmitter is the CC2420 chip; Wireless transceiver CC2420 is connected with the SPI interface of microcontroller ATMegal28L by the SPI interface, the lead-in wire 32 pin SCLK end, 33 pin SI end and the 34 pin SO end that are wireless transceiver CC2420 are connected with lead-in wire 11 pin PB1/SCK end, 12 pin PS2/MOSI end and the 13 pin PB3/MISO end of microcontroller ATMegal28L respectively, and ATMegal28L is by SPI interface and CC2420 swap data and clock information; CC2420 also is connected with the reading and writing data state interface of ATMegal28L by the reading and writing data state interface, the lead-in wire 29 pin FIFOP end, 30 pin FIFO end, 27 pin SFD end and the 28 pin CCA end that are CC2420 are connected with lead-in wire 8 pin PE6/T3 end, 9 pin PE7/ICP3 end, 29 pin PD4/ICP1 end and the 31 pin PD6/T1 end of ATMegal28L respectively, and CC2420 is by reading and writing data state interface and ATMegal28L swap data read-write state and control information; Dual-mode antenna is connected with wireless transceiver CC2420 radio-frequency head (6 pin RF_P end, 8 pin RF_N end) by impedance matching circuit (L1, L2, L3, C11, C12, C13, C14), and wireless transceiver CC2420 carries out the wireless receiving and dispatching of signal by dual-mode antenna; Wireless transceiver CC2420 also is connected with crystal oscillator clock circuit (Y1, C9, C10).
The present invention also further technical scheme is: the power transfer module of described gamma-rays wireless sensing monitoring interface comprises step-down mutual inductor T1, rectification circuit D1, filtering circuit (C17, C18) and DC-DC module.
Another technical scheme of the present invention is: a kind of gamma-rays wireless sensing monitoring system, and it comprises gamma-rays wireless sensing monitoring device and gamma-rays wireless sensing monitoring center; The gamma-rays information collecting device of gamma-rays wireless sensing monitoring device carries out radio communication by gamma-rays wireless sensing monitoring interface and gamma-rays wireless sensing monitoring center; Gamma-rays wireless sensing monitoring center comprises wireless sensing unit and computer system; The wireless sensing unit of gamma-rays wireless sensing monitoring center comprises microcontroller, information-storing device, wireless transmitter and power supply; Computer system comprises digital processing unit and gamma-rays message processing module, and digital processing unit comprises IO interface, storer and processor, and the gamma-rays message processing module places digital processing unit; The interface of wireless sensing unit is connected with the IO interface of digital processing unit, wireless sensing unit carries out radio communication by wireless mode and gamma-rays wireless sensing monitoring device, and give digital processing unit with the gamma-rays message exchange that receives, the gamma-rays message processing module of computer system can be operated the gamma-rays information that receives, and realizes gamma-ray remote monitoring.
The present invention further another technical scheme is: described gamma-rays wireless sensing monitoring device is more than one.
The present invention further another technical scheme is: it also comprises the gamma-rays radio sensing network, the gamma-rays radio sensing network comprises more than one wireless sensing unit, and the wireless sensing unit of gamma-rays radio sensing network comprises microcontroller, information-storing device, wireless transmitter and power supply; More than one wireless sensing unit can organize themselves into radio sensing network, each wireless sensing unit is a node of radio sensing network, the gamma-rays radio sensing network can be communicated by letter with gamma-rays wireless sensing monitoring center with gamma-rays wireless sensing monitoring device, be that it is the cordless communication network between gamma-rays wireless sensing monitoring device and the gamma-rays wireless sensing monitoring center, realize the message exchange of gamma-rays wireless sensing monitoring device and gamma-rays wireless sensing monitoring center.
A kind of gamma-rays wireless sensing monitoring system, it comprises gamma-rays wireless sensing monitoring device, gamma-rays radio sensing network and gamma-rays wireless sensing monitoring center; Gamma-rays wireless sensing monitoring device is described gamma-rays wireless sensing monitoring device; The gamma-rays radio sensing network comprises more than one wireless sensing unit, and the wireless sensing unit of gamma-rays radio sensing network comprises microcontroller, information-storing device, wireless transmitter and power supply; More than one wireless sensing unit can organize themselves into radio sensing network, each wireless sensing unit is a node of radio sensing network, the gamma-rays radio sensing network can be communicated by letter with gamma-rays wireless sensing monitoring center with gamma-rays wireless sensing monitoring device, be that it is the cordless communication network between gamma-rays wireless sensing monitoring device and the gamma-rays wireless sensing monitoring center, realize the message exchange of gamma-rays wireless sensing monitoring device and gamma-rays wireless sensing monitoring center; Gamma-rays wireless sensing monitoring center comprises wireless sensing unit and computer system; The wireless sensing unit of gamma-rays wireless sensing monitoring center comprises microcontroller, information-storing device, wireless transmitter and power supply; Computer system comprises digital processing unit and gamma-rays message processing module, and digital processing unit comprises IO interface, storer and processor, and the gamma-rays message processing module places digital processing unit; The interface of wireless sensing unit is connected with the IO interface of digital processing unit, wireless sensing unit carries out wireless two-way communication by gamma-rays radio sensing network and gamma-rays wireless sensing monitoring device, and with the computer system exchange message, the gamma-rays message processing module of computer system can be operated receiving the gamma-rays information of coming, and realizes gamma-ray remote monitoring.
The present invention compared with prior art has following characteristics:
1, monitoring mode of the present invention is based on radio sensing network, and the staff only needs can monitor the order that gamma-rays wireless sensing monitoring device sends information acquisition in gamma-rays wireless sensing monitoring center, has guaranteed staff's safety;
2, gamma-rays wireless sensing monitoring device of the present invention has been broken away from the constraint of physical circuit, configuration is installed simply, and monitoring network is built conveniently, and energy consumption is low;
3, gamma-rays wireless sensing monitoring device of the present invention has the function of real-time collection and storage gamma-rays information, and the energy self-organizing network adopts the wireless multi-hop pass-through mode, in real time or periodically gamma-rays information is sent to Surveillance center;
4, the interface convertor CP2102 chip of gamma-rays wireless sensing monitoring device of the present invention can convert USB interface to the UART interface that is fit to the microcontroller exchange message, enough exports the voltage of 3.3V simultaneously, guarantee microcontroller stable operation, do not burnt out, durable in use, and cost is low;
5, gamma-rays wireless sensing monitoring system of the present invention all adopts the communication of 2.4GHz frequency range, and message transmission rate is higher, strong interference immunity, and need not to pay any communication cost.
In order to be illustrated more clearly in the present invention, enumerate following examples, but it there is not any restriction to scope of invention.
Description of drawings
Fig. 1 is the structured flowchart of the gamma-rays monitoring system of prior art;
Fig. 2 is the structured flowchart of gamma-rays wireless sensing monitoring system of the present invention;
Fig. 3 is the structured flowchart of gamma-rays wireless sensing monitoring device of the present invention;
Fig. 4 is the structured flowchart of the gamma-rays information collecting device of gamma-rays wireless sensing monitoring device of the present invention;
Fig. 5 is microcontroller and the peripheral electrical schematic diagram thereof of the gamma-rays wireless sensing monitoring interface of gamma-rays wireless sensing monitoring device of the present invention;
Fig. 6 is the information-storing device electrical schematic diagram of the gamma-rays wireless sensing monitoring interface of gamma-rays wireless sensing monitoring device of the present invention;
Fig. 7 is microcontroller, interface convertor and the gamma-rays information collecting device connection diagram of the gamma-rays wireless sensing monitoring interface of gamma-rays wireless sensing monitoring device of the present invention;
Fig. 8 is wireless transceiver, impedance matching circuit and the peripheral electrical schematic diagram of gamma-rays wireless sensing monitoring device of the present invention;
Fig. 9 is the power transfer module electrical schematic diagram of gamma-rays wireless sensing monitoring device of the present invention;
Figure 10 is the collection gamma-rays information work principle flow chart of gamma-rays wireless sensing monitoring device of the present invention;
Figure 11 is the wireless transmission gamma-rays information work principle flow chart of gamma-rays wireless sensing monitoring device of the present invention;
Figure 12 is the structured flowchart of the wireless sensing unit of gamma-rays radio sensing network of the present invention.
Embodiment
As shown in Figure 2, a kind of gamma-rays wireless sensing monitoring system, it comprises gamma-rays wireless sensing monitoring device 1, gamma-rays radio sensing network 2 and gamma-rays wireless sensing monitoring center 3; As shown in Figure 3, gamma-rays wireless sensing monitoring device 1 comprises gamma-rays information collecting device 11 and gamma-rays wireless sensing monitoring interface 12; Gamma-rays information collecting device 11 is connected with gamma-rays wireless sensing monitoring interface 12, gamma-rays information collecting device 11 sends the gamma-rays information of gathering to gamma-rays wireless sensing monitoring interface 12, and gamma-rays wireless sensing monitoring interface 12 outwards transmits the interface of information by wireless mode for gamma-rays information collecting device 11; Gamma-rays radio sensing network 2 comprises more than one wireless sensing unit 21, as shown in figure 12, the wireless sensing unit 21 of gamma-rays radio sensing network 2 mainly comprises microcontroller, information-storing device, wireless transmitter and power supply, power supply mainly adopts battery, is adapted at not having the place of commercial power supply to use like this; Wireless sensing unit 21 can organize themselves into radio sensing network, each wireless sensing unit 21 is a node of radio sensing network, and can communicate by letter with gamma-rays wireless sensing monitoring center 3 with gamma-rays wireless sensing monitoring device 1, be that it is the cordless communication network between gamma-rays wireless sensing monitoring device 1 and the gamma-rays wireless sensing monitoring center 3, realize the message exchange (namely playing the effect of go-between) of gamma-rays wireless sensing monitoring device 1 and gamma-rays wireless sensing monitoring center 3; Gamma-rays wireless sensing monitoring interface 12 communicates with gamma-rays wireless sensing monitoring center 3 by gamma-rays radio sensing network 2, namely realize sending the gamma-rays information that gamma-rays information collecting device 11 is gathered to gamma-rays wireless sensing monitoring center 3, and exchange of control information; If distance is shorter on the spot, gamma-rays information collecting device 11 can be directly by gamma-rays wireless sensing monitoring interface 12 and gamma-rays wireless sensing monitoring center 3 carry out radio communication (accompanying drawing does not illustrate this easy structure); Gamma-rays wireless sensing monitoring device 1 can be (as shown in Figure 2) more than one, in order to monitor the gamma-rays situation of a plurality of points, even can be positioned at different places, the interface 12 of the gamma-rays wireless sensing of a plurality of gamma-rays wireless sensing monitoring devices 1 monitoring simultaneously can organize themselves into local wireless sensing network (as shown in Figure 2), carry out message exchange (perhaps direct and gamma-rays wireless sensing monitoring center 3 carries out message exchange) by local wireless sensing network and gamma-rays radio sensing network 2, realize sending the gamma-rays information that gamma-rays information collecting device 11 is gathered to gamma-rays wireless sensing monitoring center 3; Gamma-rays wireless sensing monitoring center 3 comprises wireless sensing unit 31 and computer system 32; The wireless sensing unit 31 of gamma-rays wireless sensing monitoring center 3 can have essentially identical structure for the wireless sensing unit 21 with gamma-rays radio sensing network 2, be that the wireless sensing unit 21 of gamma-rays radio sensing network 2 and the wireless sensing unit 31 of gamma-rays information wireless monitoring center 3 can be the device of same structure, be designed to a kind of general wireless sensing unit, in order to avoid cost is saved in design respectively; Computer system 32 comprises digital processing unit and gamma-rays message processing module, digital processing unit comprises IO interface, storer and processor, digital processing unit can be the common computer that can carry out digital signal processing, and the gamma-rays message processing module places digital processing unit; The gamma-rays message processing module can be software on the form of expression, also can be hardware; The interface of wireless sensing unit 31 (IO interface of its microcontroller) is connected with the IO interface of digital processing unit, wireless sensing unit 31 carries out radio communication by wireless mode and gamma-rays radio sensing network 2 or gamma-rays wireless sensing monitoring device 1, and give digital processing unit with the gamma-rays message exchange that receives, operations such as the gamma-rays message processing module of computer system 32 can be collected receiving the gamma-rays information of coming, gathers, management realize gamma-ray monitoring; Gamma-rays wireless sensing monitoring center 3 can also control gamma-rays wireless sensing monitoring device 1, the unlatching of gamma-rays radio sensing network 2, shutoff by its gamma-rays message processing module, namely realize unlatching and the shutoff of total system, be that gamma-rays wireless sensing monitoring device 1, gamma-rays radio sensing network 2 and gamma-rays wireless sensing monitoring center 3 are except transmission gamma-rays information, transmission of control signals also is to realize the control of 3 pairs of total systems of gamma-rays wireless sensing monitoring center.
As shown in Figure 4, gamma-rays information collecting device 11 mainly is made up of FJ-374 gamma spectrum probe (Beijing Nuclear Instrument Factory's production) and FH463A intelligence scaler (Beijing Nuclear Instrument Factory's production), the gamma spectrum probe is connected with intelligent scaler, and the gamma spectrum probe is gathered the gamma-rays simulating signal; The intelligence scaler realizes the conversion of A/D signal and energy spectrum analysis; The gamma spectrum probe detection to pulse signal through the processing of phase inverter, single channel pulse height analyzer and single-chip microcomputer in the intelligent scaler, last gamma-rays information of sending out digital signal form at the communication interface place.
As shown in Figure 3, gamma-rays wireless sensing monitoring interface 12 mainly comprises microcontroller, information-storing device, interface convertor, wireless transmitter and power supply; Its gamma-rays information that gamma-rays information collecting device 11 can be sent transmits by wireless mode, it is (certain with an interface of gamma-rays radio sensing network 2 that it is equivalent to gamma-rays information collecting device 11, if distance is short, it can carry out radio communication with direct and gamma-rays wireless sensing monitoring center 3).
As shown in Figure 5, the microcontroller in the gamma-rays wireless sensing monitoring interface 12 adopts 8 ATMegal28L chips of the super low-power consumption of atmel corp, ATMegal28L rich interface, stable performance; ATMegal28L adopts TinyOS1.x operating system, and TinyOS1.x is based on assembly, module and event driven radio sensing network special purpose operating system, and it is little to take up room, and travelling speed is fast.
As shown in Figure 6, information-storing device adopts the serial Flash AT45DB021D storage chip (atmel corp's production) of 2MB, this chip exterior circuit is simple, volume is less, power consumption is lower, Flash AT45DB021D is by SPI serial line interface (1 pin SI end, 8 pin SO end, 2 pin SCK end, 4 pin CS end) with I/O interface (the 28 pin PD3/TXD1 end of the USART mode of microcontroller ATMegal28L, 27 pin PD2/RXD1 end, 30 pin PD5/XCK1 end, 48 pin PA3/AD3 end) is connected, it is the 1 pin SI end of Flash AT45DB021D, 8 pin SO end, 2 pin SCK end, 4 pin CS end respectively with the 28 pin PD3/TXD1 end of microcontroller ATMegal28L, 27 pin PD2/RXD1 end, 30 pin PD5/XCK1 end, 48 pin PA3/AD3 end is connected, and microcontroller ATMegal28L carries out the Information Access operation by the USART mode to information-storing device Flash AT45DB021D.
As shown in Figure 7, interface convertor adopts CP2102 chip (production of U.S. Silicon company), CP2102 integrated level height, and internal USB 2.0 is function control device, USB transceiver, crystal oscillator and asynchronous serial data bus (UART) etc. at full speed; It is little that CP2102 compares the CH374 volume, but function is very powerful, and cost is lower, CP2102 not only can realize the data transmission of USB interface and microcontroller UART interface, has the voltage-regulation function simultaneously, the exportable 3.3V voltage of voltage-regulation in the sheet, the 5V voltage of gamma-rays information can be adjusted to the 3.3V voltage that is fit to microcontroller ATMegal28L deal with data, can make microcontroller ATMegal28L more reliable and more stable with communicating by letter of gamma-rays information collecting device 11 so on the one hand, simultaneously can make microcontroller ATMegal28L more stable work, be not subjected to high-tension the influence, prevent that microcontroller ATMegal28L from being burnt out, all right saves energy; Also contain clock circuit in the CP2102, need not the external circuits device; CP2102 is connected with the USB interface of intelligent scaler FH463A, and namely the lead-in wire 5 pin D-of CP2102 end, 4 pin D+ end link to each other with D-end, the D+ end of the USB interface of intelligent scaler FH463A respectively; The lead-in wire 26 pin TXD end of CP2102,25 pin RXD end are connected with lead-in wire 2 pin PE0/RXD0 end, the 3 pin PE1/TXD0 end of microcontroller ATMegal28L respectively, and microcontroller ATMegal28L carries out reading of information by the gamma-rays information collecting device 11 of CP2102.
As shown in Figure 8, wireless transmitter comprises wireless transceiver, impedance matching circuit and dual-mode antenna; Wireless transceiver adopts the CC2420 chip of TI company, and this chip operation is in the 2.4GHz frequency range, and speed reaches 250Kbps, and low in energy consumption, networking flexibility is conducive to form the wireless multi-hop network information of carrying out and transmits, and strengthens the reliability that wireless messages transmits; This chip can also carry out 128 AES to be encrypted, and ensures information security; Wireless transceiver CC2420 is connected with the SPI interface of microcontroller ATMegal28L by the SPI interface, the SPI interface of CC2420 is by lead-in wire 32 pin SCLK end, 33 pin SI end and 34 pin SO end are formed, the SPI interface of ATMegal28L is by lead-in wire 10 pin PB0/SS end, 11 pin PB1/SCK end, 12 pin PS2/MOSI end and 13 pin PB3/MISO end are formed, the 10 pin PB0/SS that wherein go between end passes through resistance eutral grounding, it is the lead-in wire 32 pin SCLK end of wireless transceiver CC2420,33 pin SI end and 34 pin SO end are held with the lead-in wire 11 pin PB1/SCK of microcontroller ATMegal28L respectively, 12 pin PS2/MOSI end is connected with 13 pin PB3/MISO end, ATMegal28L is by SPI interface and CC2420 swap data and clock information, be that ATMegal28L passes through SPI_SCLK (11 pin PB1/SCK end) to SCLK pin (32 pin SCLK end) the tranmitting data register information of CC2420, ATMegal28L is by SI pin (33 pin SIs end) the transmission data of SPI_MOSI pin (12 pin PS2/MOSI end) to CC2420, and CC2420 is by pin SPI_MISO (13 pin PB3/MISOs end) the transmission data of SO pin (34 pin SO end) to ATMegal28L; CC2420 also is connected with the reading and writing data state interface of ATMegal28L by the reading and writing data state interface, the lead-in wire 29 pin FIFOP end, 30 pin FIFO end, 27 pin SFD end and the 28 pin CCA end that are CC2420 link to each other with lead-in wire 8 pin PE6/T3 end, 9 pin PE7/ICP3 end, 29 pin PD4/ICP1 end and the 31 pin PD6/T1 end of ATMegal28L respectively, and CC2420 is by 27 pin (SFD end), 28 pin (CCA end), 29 pin (FIFOP end) and 30 pin (FIFO end) and ATMegal28L swap data read-write state and control information; The SFD of CC2420 (27 pin) represents that start-of-frame receives during for high level, begin to receive data, this port can keep high level always, till data receive, the CCA of CC2420 represents the data transmission channel free time when holding (28 pin) for high level, otherwise channel busy; The FIFOP of CC2420 represents to receive buffer zone when holding (29 pin) for high level and overflows, otherwise does not overflow, and the FIFO of CC2420 represents to receive buffer zone when holding (30 pin) for high level data, represents during low level that buffer zone is empty; The FIFOP pin is exported high level when the data that receive buffer area surpass certain critical value or after receiving a complete frame; Dual-mode antenna by impedance matching circuit (as shown in Figure 8, L1, L2, L3, C11, C12, C13, C14) be connected with wireless transceiver CC2420 radio-frequency head (6 pin RF_P end, 8 pin RF_N end), wireless transceiver CC2420 carries out the wireless signal transmitting-receiving by dual-mode antenna; Wireless transceiver CC2420 also is connected with the crystal oscillator clock circuit (Y1, C9, C10) of 16M.
Power supply comprises power transfer module and/or battery; As shown in Figure 9, power transfer module comprises step-down mutual inductor T1, rectification circuit D1, filtering circuit (C17, C18) and DC-DC module, the DC-DC module adopts AV10-48S03 module (Emerson Network Power CO., Ltd's production), power transfer module with the 220V alternating current by processes such as step-down, rectification, filtering, be converted to the direct current of 3V, working power be provided for gamma-rays wireless sensing monitoring interface 12 of the present invention (microcontroller, wireless transceiver and information-storing device etc.); Power transfer module also can directly adopt ready-made LB05-10803 power module (production of MORNSUN company), realizes the 220V AC power is converted to the 3V direct supply to the invention provides working power; The general No. 5 1.5V batteries of two joints that adopt of battery as standby power supply, when outside 220V power supply disconnects suddenly, can be automatically changeb to No. 5 1.5V batteries of two joints and provide working power for gamma-rays wireless sensing monitoring interface 12.
Gamma-rays wireless sensing monitoring interface 12 main being responsible for are read and wireless transmission the digital signal that gamma-rays information collecting device 11 transmits; As shown in figure 10, when interface arrangement is sensed data, will read, read finish after the storage data, end operation; As shown in figure 11, after the wireless transceiver program initialization, pick up counting, when supervisory channel is not in a hurry, begin to send data, up to sending successfully, wireless transceiver enters sleep pattern, end operation.
The above only is preferred embodiment of the present invention, and not in order to limiting the present invention, all have gamma-rays monitoring wireless sensing interface arrangement and a system identical with the present invention or that be equal to, all should be included within protection scope of the present invention.
Claims (10)
1. gamma-rays wireless sensing monitoring device is characterized in that: it comprises gamma-rays information collecting device (11) and gamma-rays wireless sensing monitoring interface (12); Gamma-rays information collecting device (11) comprises gamma spectrum probe and intelligent scaler; The gamma spectrum probe is connected with intelligent scaler, and the gamma spectrum probe can be gathered the gamma-rays simulating signal; The intelligence scaler can realize the conversion of A/D signal and energy spectrum analysis; Gamma-rays wireless sensing monitoring interface (12) comprises microcontroller, information-storing device, interface convertor, wireless transmitter and power supply, wireless transmitter comprises wireless transceiver, impedance matching circuit and dual-mode antenna, and power supply comprises power transfer module and/or battery; Information-storing device, interface convertor and wireless transceiver all are connected with microcontroller; Power supply is connected with information-storing device, wireless transceiver and microcontroller, for these parts provide working power; Interface convertor also is connected with the intelligent scaler of gamma-rays information collecting device (11), and the voltage of the gamma-rays information that interface convertor can send the intelligent scaler of gamma-rays information collecting device (11) is adjusted to the voltage that is fit to microcontroller; Gamma-rays information collecting device (11) sends the gamma-rays information of gathering to gamma-rays wireless sensing monitoring interface (12), and gamma-rays wireless sensing monitoring interface (12) outwards transmits the interface of information by wireless mode for gamma-rays information collecting device (11).
2. gamma-rays wireless sensing monitoring device according to claim 1 is characterized in that: described gamma spectrum probe is popped one's head in for the FJ-374 gamma spectrum; The intelligence scaler is FH463A intelligence scaler; Microcontroller in the gamma-rays wireless sensing monitoring interface (12) is the ATMegal28L chip; Interface convertor is the CP2102 chip; Interface convertor CP2102 is connected with the USB interface of intelligent scaler FH463A, and namely the lead-in wire 5 pin D-of CP2102 end, 4 pin D+ end are connected with D-end, the D+ end of the USB interface of intelligent scaler FH463A respectively; The lead-in wire 26 pin TXD end of CP2102,25 pin RXD end are connected with lead-in wire 2 pin PE0/RXD0 end, the 3 pin PE1/TXD0 end of microcontroller ATMegal28L respectively, microcontroller ATMegal28L carries out reading of information by the gamma-rays information collecting device of CP2102 (11), and the voltage of the gamma-rays information that interface convertor CP2102 can send intelligent scaler FH463A is adjusted to the voltage that is fit to microcontroller ATMegal28L deal with data.
3. gamma-rays wireless sensing monitoring device according to claim 2, it is characterized in that: the information-storing device in the described gamma-rays wireless sensing monitoring interface (12) is Flash AT45DB021D storage chip, information-storing device Flash AT45DB021D is connected by the I/O interface of SPI serial line interface with the USART mode of microcontroller ATMegal28L, and microcontroller ATMegal28L carries out the Information Access operation by the USART mode to information-storing device Flash AT45DB021D.
4. according to claim 2 or 3 described gamma-rays wireless sensing monitoring devices, it is characterized in that: described wireless transceiver is the CC2420 chip; Wireless transceiver CC2420 is connected with the SPI interface of microcontroller ATMegal28L by the SPI interface, the lead-in wire 32 pin SCLK end, 33 pin SI end and the 34 pin SO end that are wireless transceiver CC2420 are connected with lead-in wire 11 pin PB1/SCK end, 12 pin PS2/MOSI end and the 13 pin PB3/MISO end of microcontroller ATMegal28L respectively, and ATMegal28L is by SPI interface and CC2420 swap data and clock information; CC2420 also is connected with the reading and writing data state interface of ATMegal28L by the reading and writing data state interface, the lead-in wire 29 pin FIFOP end, 30 pin FIFO end, 27 pin SFD end and the 28 pin CCA end that are CC2420 link to each other with lead-in wire 8 pin PE6/T3 end, 9 pin PE7/ICP3 end, 29 pin PD4/ICP1 end and the 31 pin PD6/T1 end of ATMegal28L respectively, and CC2420 is by reading and writing data state interface and ATMegal28L swap data read-write state and control information; Dual-mode antenna is connected with wireless transceiver CC2420 radio-frequency head (6 pin RF_P end, 8 pin RF_N end) by impedance matching circuit (L1, L2, L3, C11, C12, C13, C14), and wireless transceiver CC2420 carries out the wireless signal transmitting-receiving by dual-mode antenna; Wireless transceiver CC2420 also is connected with crystal oscillator clock circuit (Y1, C9, C10).
5. according to claim 1 or 2 or 3 described gamma-rays wireless sensing monitoring devices, it is characterized in that: the power transfer module of described gamma-rays wireless sensing monitoring interface (12) comprises step-down mutual inductor T1, rectification circuit D1, filtering circuit (C17, C18) and DC-DC module.
6. gamma-rays wireless sensing monitoring device according to claim 4 is characterized in that: the power transfer module of described gamma-rays wireless sensing monitoring interface (12) comprises step-down mutual inductor T1, rectification circuit D1, filtering circuit (C17, C18) and DC-DC module.
7. gamma-rays wireless sensing monitoring system, it is characterized in that: it comprises gamma-rays wireless sensing monitoring device (1) and gamma-rays wireless sensing monitoring center (3); Gamma-rays wireless sensing monitoring device (1) is claim 1 or 2 or 3 described gamma-rays wireless sensing monitoring devices; The gamma-rays information collecting device (11) of gamma-rays wireless sensing monitoring device (1) is realized radio communication by gamma-rays wireless sensing monitoring interface (12) with gamma-rays wireless sensing monitoring center (3); Gamma-rays wireless sensing monitoring center (3) comprises wireless sensing unit (31) and computer system (32); The wireless sensing unit (31) of gamma-rays wireless sensing monitoring center (3) comprises microcontroller, information-storing device, wireless transmitter and power supply; Computer system (32) comprises digital processing unit and gamma-rays message processing module, and digital processing unit comprises IO interface, storer and processor, and the gamma-rays message processing module places digital processing unit; The interface of wireless sensing unit (31) is connected with the IO interface of digital processing unit, wireless sensing unit (31) carries out radio communication by wireless mode and gamma-rays wireless sensing monitoring device (1), and give digital processing unit with the gamma-rays message exchange that receives, the gamma-rays message processing module of computer system (32) can be operated receiving the gamma-rays information of coming, and realizes gamma-ray remote monitoring.
8. gamma-rays wireless sensing monitoring system according to claim 7, it is characterized in that: described gamma-rays wireless sensing monitoring device (1) is more than one.
9. according to claim 7 or 8 described gamma-rays wireless sensing monitoring systems, it is characterized in that: it also comprises gamma-rays radio sensing network (2), gamma-rays radio sensing network (2) comprises more than one wireless sensing unit (21), and the wireless sensing unit (21) of gamma-rays radio sensing network (2) comprises microcontroller, information-storing device, wireless transmitter and power supply; More than one wireless sensing unit (21) can organize themselves into radio sensing network, each wireless sensing unit (21) is a node of radio sensing network, gamma-rays radio sensing network (2) can be communicated by letter with gamma-rays wireless sensing monitoring center (3) with gamma-rays wireless sensing monitoring device (1), be that it is the cordless communication network between gamma-rays wireless sensing monitoring device (1) and the gamma-rays wireless sensing monitoring center (3), realize the message exchange of gamma-rays wireless sensing monitoring device (1) and gamma-rays wireless sensing monitoring center (3).
10. gamma-rays wireless sensing monitoring system, it is characterized in that: it comprises gamma-rays wireless sensing monitoring device (1), gamma-rays radio sensing network (2) and gamma-rays wireless sensing monitoring center (3); Gamma-rays wireless sensing monitoring device (1) is the described gamma-rays wireless sensing of claim 4 monitoring device; Gamma-rays radio sensing network (2) comprises more than one wireless sensing unit (21), and the wireless sensing unit (21) of gamma-rays radio sensing network (2) comprises microcontroller, information-storing device, wireless transmitter and power supply; More than one wireless sensing unit (21) can organize themselves into radio sensing network, each wireless sensing unit (21) is a node of radio sensing network, gamma-rays radio sensing network (2) can be communicated by letter with gamma-rays wireless sensing monitoring center (3) with gamma-rays wireless sensing monitoring device (1), be that it is the cordless communication network between gamma-rays wireless sensing monitoring device (1) and the gamma-rays wireless sensing monitoring center (3), realize the message exchange of gamma-rays wireless sensing monitoring device (1) and gamma-rays wireless sensing monitoring center (3); Gamma-rays wireless sensing monitoring center (3) comprises wireless sensing unit (31) and computer system (32); The wireless sensing unit (31) of gamma-rays wireless sensing monitoring center (3) comprises microcontroller, information-storing device, wireless transmitter and power supply; Computer system (32) comprises digital processing unit and gamma-rays message processing module, and digital processing unit comprises IO interface, storer and processor, and the gamma-rays message processing module places digital processing unit; The interface of wireless sensing unit (31) is connected with the IO interface of digital processing unit, wireless sensing unit (31) carries out wireless two-way communication by gamma-rays radio sensing network (2) and gamma-rays wireless sensing monitoring device (1), and with computer system (32) exchange message, the gamma-rays message processing module of computer system (32) can be operated receiving the gamma-rays information of coming, and realizes gamma-ray remote monitoring.
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