CN103714674A - Sensing signal processing method, equipment and system - Google Patents
Sensing signal processing method, equipment and system Download PDFInfo
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- CN103714674A CN103714674A CN201210376323.1A CN201210376323A CN103714674A CN 103714674 A CN103714674 A CN 103714674A CN 201210376323 A CN201210376323 A CN 201210376323A CN 103714674 A CN103714674 A CN 103714674A
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Abstract
The invention discloses a non-contact temperature detection and pressure detection method, equipment and a system for a sensing detection signal through wireless transmission; the information is sent by employing CRC encryption; and the information is transmitted to a reception device by employing 2.4G or (433MHz) wireless communication equipment. The problem that a temperature and pressure transducer and a data acquisition system can not perform the electric appliance signal separation. The temperature detection and pressure detection can be used for more industrial application environment. A wireless transmission mode of the detection signal has non-contact performance, the influence to original work environment is reduced, and the wireless transmission mode can be used for data acquisition in a moving process.
Description
Technical field
The present invention relates to industrial data acquisition monitoring field, particularly a kind of transducing signal disposal route, equipment and system.
Background technology
Along with popularizing that large-scale industrial is produced; need in process of production simplify or be unfavorable for that manually-operated link constantly increases; under this demand, industrial data collection monitoring system is widely used; in industrial data collection monitoring system, senser element is as important component part in front end device and industrial control system, and the signal of its collection produces material impact to the execution of whole industrial control system.Therefore, all the time, senser element is for answering the demand of various image data to release numerous types, in numerous senser elements, pressure and temperature sensor application are comparatively general, in above-mentioned pressure and temperature sensor application process, the pressure of its collection and the output of the signal of temperature sensor need to be connected with the controller in industrial control system by the signal wire of wired connection, just can make control signal be transferred in time in industrial control system, industrial control system can be according to producing a series of steering order according to this, but in above-mentioned prior art to the application of temperature sensor and pressure transducer due to needs and the wired connection of industrial control device, therefore, also inapplicable under some application scenario.As in semiconductor production process, its temperature and pressure transducer are installed in the environment of high temperature and toxic and harmful, carry out in machining state testing process, and its processing environment of destructible, the rate that makes to manufacture a finished product declines, and cannot guarantee sensing accuracy simultaneously.
Therefore, the problems of the prior art are: due to the transducing signal output terminal of existing temperature and pressure transducer need to industrial control system in control module physical connection, thereby carry out signals collecting, but in gatherer process due to the existence of above-mentioned physical connection, can exert an influence to industrial control condition, maybe when gathering thing, be kept in motion down, be difficult to set up above-mentioned physical connection, therefore cannot realize collection, thereby in implementation process, can not guarantee induction precision, production environment be exerted an influence simultaneously, cause the harmful effects such as yield rate reduction.
Summary of the invention
For defect of the prior art, the invention solves the problem that sensing device and control system cannot physical separation that detects.
In order to solve above technical matters, the invention provides a kind of transducing signal disposal route, comprise the following steps: detected temperatures and pressure signal, and described temperature and pressure signal are converted to temperature and pressure data; By cyclic redundancy check (CRC) code check (CRC) algorithm, described temperature and pressure is detected data and sends address encryption and generate detection information; By wireless communication mode, send described detection information.
Meanwhile, the present invention also provides a kind of reception transducing signal method to comprise the following steps: by wireless communication mode, receive detection information; If described detection information CRC check is correct, judge whether in described detection information, send address code mates with receiver address code, if so, preserve the temperature and pressure data in the detection information receiving, if not, abandon received detection information.
Simultaneously, the present invention also provides a kind of radio detection sender unit, comprise: detection signal unit, information encryption unit and wireless transmission unit, wherein, described detection signal unit, for detection of temperature and pressure signal, and described temperature and pressure signal are converted to temperature and pressure data; Described information encryption unit, detects data by cyclic redundancy check (CRC) code check (CRC) algorithm to described temperature and pressure and sends address encryption generation detection information; Described wireless transmission unit, for sending described detection information by wireless communication mode.
Meanwhile, the present invention also provides a kind of reception radio detection signal receiving device, comprising: radio receiving unit, deciphering verification unit, storage unit.Described radio receiving unit, for receiving detection information by wireless communication mode; Described deciphering verification unit, if correct for described detection information CRC check, judges whether in described detection information, send address code mates with receiver address code, if, preserve the temperature and pressure data in the detection information receiving, if not, abandon received detection information; Described storage unit, for preserving described detection information.
Meanwhile, the present invention also provides a kind of system of multifunction wireless transmission detection signal, comprising: transducing signal detecting unit, transmission information encryption unit, wireless transmission unit; Radio receiving unit, deciphering verification unit, storage unit, wherein, described detection signal unit, for detection of temperature and pressure signal, and is converted to temperature and pressure data by described temperature and pressure signal; Described information encryption unit, generates detection information for described temperature and pressure being detected data and sends address encryption by cyclic redundancy check (CRC) code check (CRC) algorithm; Described wireless transmission unit, for sending described detection information by wireless communication mode; Described radio receiving unit, for receiving detection information by wireless communication mode; Described deciphering verification unit, if correct for described detection information CRC check, judges whether in described detection information, send address code mates with receiver address code, if, preserve the temperature and pressure data in the detection information receiving, if not, abandon received detection information; Described storage unit, for preserving described detection information.
Compared with prior art, above-mentioned embodiment of the present invention has the following advantages: by by the wireless transmission of temperature and pressure transducing signal, the detection of temperature and pressure and the physical separation that signal receives collecting device have been realized, the modes such as CRC encryption and address code in transmitting procedure, have been adopted simultaneously, guaranteed the reliability of data transmission, therefore, temperature and pressure sensor be can be used in more commercial Application environment, because it is untouchable that the wireless transmission method of detection signal has, reduced the impact on original operating environment, used time can be used for the detection of the temperature and pressure signal of mobile object, expanded the scope of temperature and pressure input, reduced installation cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of a kind of transducing signal disposal route of the present invention;
Fig. 2 is a kind of schematic flow sheet that receives transducing signal method of the present invention;
Fig. 3 is the structural representation of a kind of radio detection signal of the present invention transmitter;
Fig. 4 is a kind of structural representation that receives radio detection signal receiver of the present invention;
Fig. 5 is the system architecture schematic diagram of a kind of multifunction wireless transmission of the present invention detection signal;
Fig. 6 is the physical arrangement schematic diagram of a kind of detection signal transmitter of the present invention;
Fig. 7 is the circuit theory diagrams of a kind of detection signal transmitter of the present invention;
Fig. 8 is the physical arrangement schematic diagram of a kind of detection signal receiving equipment of the present invention;
Fig. 9 is the circuit theory diagrams of a kind of detection signal receiving equipment of the present invention;
Figure 10 is noncontact temperature detection and the pressure checking device signal transmission schematic diagram of wireless transmission detection signal of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail:
Embodiment mono-
As shown in Figure 1, be the schematic flow sheet of a kind of transducing signal disposal route of the present invention; Comprise the following steps:
Step S101: detected temperatures, detected pressures;
In above-mentioned steps: detected temperatures and detected pressures signal; Described detected temperatures and detected pressures signal are converted to digital data by analog quantity.Thereby described temperature and pressure signal are converted to temperature and pressure data, specifically can adopt 16 AD converters to realize, model ADS1100.
Step S102: encryption detection information;
In above-mentioned steps: by cyclic redundancy check (CRC) code check (CRC) algorithm, described temperature and pressure detected to data and send address encryption generation detection information; The data acquisition of temperature detection and pressure detection is detected to data and sends the detection information that address generation is encrypted described temperature and pressure with CRC algorithm.Adopt CPU model STC11L61XE.
Step S103: wireless transmission information.
In above-mentioned steps: send out described detection information with wireless mode.And available 2.4GHz carrier frequency sends described detection information.2.4GHz sends chip model nRF24L01+.
Embodiment bis-
As shown in Figure 2, for the present invention is a kind of, receive the schematic flow sheet of transducing signal disposal route; Comprise the following steps:
Step S201: wireless information reception; By wireless communication mode, receive detection information, receiving chip model nRF24L01+.
Step S202: deciphering verification; Docking is collected mail to cease and is decrypted verification; Calculate CPU model STC11L61XE.
In above-mentioned steps: if described detection information CRC check is correct, judge whether in described detection information, send address code mates with receiver address code, if so, preserve the temperature and pressure data in the detection information receiving, if not, abandon received detection information.。
Further comprising the steps S203 also after above step S202:
Step S203: storage unit; The effective information receiving is preserved.Chip model AT45DB041.
Embodiment tri-
As shown in Figure 3, be the structural representation of a kind of radio detection signal of the present invention transmitter; Comprise: detection signal unit 301, information encryption unit 302 and wireless transmission unit 303, wherein,
Described detection signal unit 301, for detection of temperature and pressure signal, and is converted to temperature and pressure data by described temperature and pressure signal;
Described information encryption unit 302, detects data by cyclic redundancy check (CRC) code check (CRC) algorithm to described temperature and pressure and sends address encryption generation detection information;
Described wireless transmission unit 303, for sending described detection information by wireless communication mode.
The said equipment can adopt following physical arrangement to realize, and as shown in Figure 6, is the physical arrangement schematic diagram of a kind of detection signal transmitter of the present invention; As shown in Figure 7, be the physical arrangement schematic diagram of a kind of detection signal transmitter of the present invention; Address arranges by two 8 DIP toggle switch S1, and S2 completes, and double byte (16 scale-of-two) address can be set.26 bytes are temperature and pressure data and other work state information words that detect.It is two bytes that address arranges, and calculates CRC obtain double byte encrypted word by CPU1.Add the package identification of two bytes, form the detection information of totally 32 bytes, by bluetooth module, FJ2 sends.Under CPU1 controls, regularly detect the concurrent detection signal that send.
Embodiment tetra-
As shown in Figure 4, for the present invention is a kind of, receive the structural representation of radio detection signal receiver; Comprise: radio receiving unit 401, deciphering verification unit 402, storage unit 403.Wherein,
Described radio receiving unit 401, for receiving detection information by wireless communication mode;
Described deciphering verification unit 402, if correct for described detection information CRC check, judges whether in described detection information, send address code mates with receiver address code, if, preserve the temperature and pressure data in the detection information receiving, if not, abandon received detection information;
And in above system, also comprising storage unit 403, described storage unit 403, for preserving the temperature and pressure data that collect.
The said equipment can adopt following physical arrangement to realize, and as shown in Figure 8, is the physical arrangement schematic diagram of a kind of detection signal receiving equipment of the present invention; As shown in Figure 9, be the circuit theory diagrams of a kind of detection signal receiving equipment of the present invention.
Embodiment five
As shown in Figure 5, system architecture schematic diagram for a kind of multifunction wireless transmission of the present invention detection signal, comprise: detection signal unit 501, information encryption unit 502, wireless transmission unit 503, radio receiving unit 504, deciphering verification unit 505, storage unit 506. wherein
Described detection signal unit 501, for detection of temperature and pressure signal, and is converted to temperature and pressure data by described temperature and pressure signal;
Described information encryption unit 502, generates detection information for described temperature and pressure being detected data and sends address encryption by cyclic redundancy check (CRC) code check (CRC) algorithm;
Described wireless transmission unit 503, for sending described detection information by wireless communication mode;
Described radio receiving unit 504, for receiving detection information by wireless communication mode;
Described deciphering verification unit 505, if correct for described detection information CRC check, judges whether in described detection information, send address code mates with receiver address code, if, preserve the temperature and pressure data in the detection information receiving, if not, abandon received detection information;
Described storage unit 506, for preserving described detection information
Said system can adopt the physical equipment of a kind of transducing signal receiving equipment in a kind of transducing signal transmitter in above-described embodiment three and above-described embodiment four to realize, and signal transmits as shown in figure 10.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (6)
1. a transducing signal disposal route, is characterized in that, comprises the following steps:
Detected temperatures and pressure signal, and described temperature and pressure signal are converted to temperature and pressure data;
By cyclic redundancy check (CRC) code check (CRC) algorithm, described temperature and pressure is detected data and sends address encryption and generate detection information;
By wireless communication mode, send described detection information.
2. signal processing method as claimed in claim 1, is characterized in that, describedly by wireless communication mode, sends described detection information step and also comprises:
By carrier wave 2.4GHz or 433MHz frequency wireless signal, send described detection information.
3. receive a transducing signal method, it is characterized in that, comprise the following steps:
By wireless communication mode, receive detection information;
If described detection information CRC check is correct, judge whether in described detection information, send address code mates with receiver address code, if so, preserve the temperature and pressure data in the detection information receiving, if not, abandon received detection information.
4. a radio detection sender unit, is characterized in that, comprising: detection signal unit, information encryption unit and wireless transmission unit, wherein,
Described detection signal unit, for detection of temperature and pressure signal, and is converted to temperature and pressure data by described temperature and pressure signal;
Described information encryption unit, detects data by cyclic redundancy check (CRC) code check (CRC) algorithm to described temperature and pressure and sends address encryption generation detection information;
Described wireless transmission unit, for sending described detection information by wireless communication mode.
5. receive a radio detection signal receiving device, it is characterized in that, comprising: radio receiving unit, deciphering verification unit, storage unit.
Described radio receiving unit, for receiving detection information by wireless communication mode;
Described deciphering verification unit, if correct for described detection information CRC check, judges whether in described detection information, send address code mates with receiver address code, if, preserve the temperature and pressure data in the detection information receiving, if not, abandon received detection information;
Described storage unit, for preserving described detection information.
6. a system for multifunction wireless transmission detection signal, is characterized in that, comprising: transducing signal detecting unit, transmission information encryption unit, wireless transmission unit; Radio receiving unit, deciphering verification unit, storage unit, wherein,
Described detection signal unit, for detection of temperature and pressure signal, and is converted to temperature and pressure data by described temperature and pressure signal;
Described information encryption unit, generates detection information for described temperature and pressure being detected data and sends address encryption by cyclic redundancy check (CRC) code check (CRC) algorithm;
Described wireless transmission unit, for sending described detection information by wireless communication mode;
Described radio receiving unit, for receiving detection information by wireless communication mode;
Described deciphering verification unit, if correct for described detection information CRC check, judges whether in described detection information, send address code mates with receiver address code, if, preserve the temperature and pressure data in the detection information receiving, if not, abandon received detection information;
Described storage unit, for preserving described detection information.
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| CN201210376323.1A CN103714674A (en) | 2012-10-08 | 2012-10-08 | Sensing signal processing method, equipment and system |
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| CN201210376323.1A CN103714674A (en) | 2012-10-08 | 2012-10-08 | Sensing signal processing method, equipment and system |
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| US20060045013A1 (en) * | 2004-08-27 | 2006-03-02 | Rath Vannithamby | Common rate control command generation |
| CN201698578U (en) * | 2010-06-21 | 2011-01-05 | 华南理工大学 | Wireless data transmission device suitable for implantable bioelectric signals |
| CN102053286A (en) * | 2010-10-27 | 2011-05-11 | 哈尔滨工业大学 | Meteorological information acquisition real-time communication and processing system |
| CN102521944A (en) * | 2011-12-08 | 2012-06-27 | 河南省电力公司洛阳供电公司 | Method for non-contact intelligent early warning of high voltage electric power equipment and early warning system |
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2012
- 2012-10-08 CN CN201210376323.1A patent/CN103714674A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060045013A1 (en) * | 2004-08-27 | 2006-03-02 | Rath Vannithamby | Common rate control command generation |
| CN201698578U (en) * | 2010-06-21 | 2011-01-05 | 华南理工大学 | Wireless data transmission device suitable for implantable bioelectric signals |
| CN102053286A (en) * | 2010-10-27 | 2011-05-11 | 哈尔滨工业大学 | Meteorological information acquisition real-time communication and processing system |
| CN102521944A (en) * | 2011-12-08 | 2012-06-27 | 河南省电力公司洛阳供电公司 | Method for non-contact intelligent early warning of high voltage electric power equipment and early warning system |
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Application publication date: 20140409 |