CN102354442A - Safety monitoring data acquisition device and method - Google Patents
Safety monitoring data acquisition device and method Download PDFInfo
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- CN102354442A CN102354442A CN201110351976XA CN201110351976A CN102354442A CN 102354442 A CN102354442 A CN 102354442A CN 201110351976X A CN201110351976X A CN 201110351976XA CN 201110351976 A CN201110351976 A CN 201110351976A CN 102354442 A CN102354442 A CN 102354442A
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Abstract
The invention discloses a safety monitoring data acquisition device and method. The device provided by the invention comprises at least one detection module and a main control module, wherein each detection module comprises a signal detecting and conditioning circuit, a channel switching circuit and a singlechip; the main control module comprises a power supply unit, a communication unit, a clock unit, a storage unit and a singlechip; and each detection module is separated from the main control module and can be connected with the main control module through a universal serial bus. The safety monitoring data acquisition device provided by the invention can meet the universality requirement of a dam safety monitoring data acquisition device has excellent expandability and flexibility in expansion and can meet different monitoring requirements.
Description
Technical field
The present invention relates to the automation monitoring system for dam safety field, particularly, relate to a kind of collecting safe monitoring data apparatus and method.
Background technology
The dam safety monitoring data collector is the kernal hardware equipment that monitoring automation is implemented, and is used for the deformation monitoring of hydraulic structure such as dam main body, power plant building, high slope etc. and influences building stability monitoring with the seepage flow and seepage pressure of safety.The physical quantity of gathering comprises distortion, seepage flow, ess-strain, seam, crack, seepage pressure, uplift pressure, temperature etc.Sensor mainly contains displacement meter, strainometer, crack gauge, reinforcing bar meter, pressure cell, osmometer, thermometer etc.These sensors can be divided into vibrating string type sensor, differential resistance type sensor, potentiometric transducer, current/voltage formula sensor and bus type sensor according to measuring principle.The dam safety monitoring data collector that exists on the market is divided into type vibration wire data collector, differential resistance type data collector, potentiometer formula data collector, electric current and voltage formula data collector and bus type data collector according to connecing sensor type.Every kind of data collector is divided into 8 point types, 16 point types and 32 point types again according to its number of sensors that can insert.
But the data collector type of detection of this structure is single, and number of channels is fixed, and can't expand.In order to adapt to the monitoring requirements of dam safety monitoring to different physical quantities, dispose the data collector of polytype, specification, construction costs is higher.
Summary of the invention
The objective of the invention is to data collector type of detection in the prior art singlely, the defective that number of channels is fixed and can't be expanded proposes a kind of dam safety monitoring data collector and method.Through device and method provided by the invention, can satisfy dam safety monitoring data collector versatility requirement, have outstanding scalability, and can effectively reduce hardware cost, flexible for installation, easy to maintenance.
For realizing above-mentioned purpose, the invention provides a kind of collecting safe monitoring data device and method.
Collecting safe monitoring data device according to the specific embodiment of the invention one comprises:
Be no less than one detection module, said each detection module comprises input and modulate circuit, channel switching circuit, single-chip microcomputer;
Main control module comprises power supply unit, communication unit, clock unit, storage unit and single-chip microcomputer;
Said each detection module is separated from each other with main control module and is connected through universal serial bus.
In technique scheme, preferably, the single-chip microcomputer in single-chip microcomputer in the said main control module and the said detection module is inner integrated bi-directional two wire serial bus I
2The MSP430 Series of MCU of C interface.
In technique scheme, preferably, said each detection module has 8 acquisition channels.
In technique scheme, preferably, said detection module is the type vibration wire detection module according to the sensor type that is connect, or the differential resistance type detection module, or potentiometer formula detection module, or electric current and voltage formula detection module, or the bus type detection module.
In technique scheme, preferably, said universal serial bus is provided with pull-up resistor.
In technique scheme, preferably, the connection inlet of the connection of said main control module inlet and each detection module is provided with digital magnetic isolating chip.
In technique scheme, preferably, said digital magnetic isolating chip is two-channel digital magnetic isolating chip ADuM1201.
Method for collecting safe monitoring data according to the specific embodiment of the invention two comprises:
Through being no less than one detection module sensor-lodging, be digital signal with sensor signal by analog signal conversion, and report main control module through universal serial bus;
Main control module carries out passage through each detection module of serial bus control and switches and image data, and receives the digital signal that each detection module reports.
In technique scheme, preferably, digital magnetic isolating chip is set at the connection inlet of said main control module and the connection inlet of each detection module, prevent that external electromagnetic interference is coupled to inside circuit through connection.
The collecting safe monitoring data device and method of present embodiment, the modular construction design of adopting control module and detection module to be separated has solved the problem that present dam safety monitoring data collector type of detection is single, acquisition channel quantity can't be expanded.Can satisfy dam safety monitoring data collector versatility requirement, have outstanding scalability and flexible extension property; Complete function, type of detection are complete, and number of channels is unrestricted; When the sensor access demand of newtype, can reduce the overlapping development of main control circuit, only need the corresponding detection module of exploitation, reduce hardware cost; Project installation flexible configuration detection module satisfies different monitoring requirements; During the system failure, only need to change malfunctioning module, need not complete machine and change, the economize on hardware cost shortens failure recovery time.
Other features and advantages of the present invention will be set forth in instructions subsequently, and, partly from instructions, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the instructions of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of instructions, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic block circuit diagram of a kind of collecting safe monitoring data device of the specific embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Specific embodiment one
Fig. 1 is the schematic block circuit diagram of the collecting safe monitoring data device of the specific embodiment of the invention one.As shown in Figure 1, the collecting safe monitoring data device comprises main control module 1, is no less than one detection module 2, universal serial bus 3 and pull-up resistor 4.Wherein main control module 1 is connected through universal serial bus 3 with each detection module 2.Main control module 1 comprises power supply unit, communication unit, clock unit, storage unit and single-chip microcomputer.Detection module 2 is to form through the sensor detection circuit of data collector is separated, and comprises input and modulate circuit, channel switching circuit and single-chip microcomputer.
8 acquisition channels of each detection module 2 standard configuration are that radix can carry out infinite expanding with 8 passages.Each detection module 2 also can be 16 or 32 acquisition channels, is not limited to 8 acquisition channels of present embodiment.Because in the present embodiment, universal serial bus 3 is out to leak output, so need on universal serial bus 3, add and draw resistance 4, when main control module output high level, moves voltage to source voltage.
Main control module 1 is through the inner I of single-chip microcomputer
2The C bus is controlled each detection module 2.Each detection module 2 also all is furnished with single-chip microcomputer, and single-chip microcomputer is responsible for controlling sensor signal detection and modulate circuit, and simulating signal is converted into digital signal, and through the inner I of single-chip microcomputer
2The C bus reports main control module 1.The connection inlet of main control module 1 and each detection module 2 is provided with digital isolated magnetic isolating chip, prevents that external electromagnetic interference is coupled to inside circuit through connection.
Single-chip microcomputer in the main control module 1 adopts inner integrated bi-directional two wire serial bus I
2The MSP430 Series of MCU of C interface, single-chip microcomputer is controlled main control module 1 inner each circuit unit, and carries out addressing, acquisition controlling and data through 3 pairs of detection modules of universal serial bus 2 and obtain.Universal serial bus 3 is the two-wire system bus, is made up of clock line SCL and data line SDA.
The single-chip microcomputer of detection module 2 is similarly inner integrated bi-directional two wire serial bus I
2The MSP430 Series of MCU of C interface; Channel switching circuit, input and the modulate circuit of Single-chip Controlling detection module 2 inside; Completion is to the excitation and the detection of sensor, is the digital signal that can on universal serial bus 3, transmit with the analog signal conversion of sensor.Detection module 2 inner P1～P8 are 8 acquisition channels, and each acquisition channel can insert a sensor.The address code of detection module 2 is prefabricated in the single-chip microcomputer internal program memory.
This specific embodiment adopts 8 bit address sign indicating number addressing, thus can articulate the individual detection module 2 of 255 (28-1) on the universal serial bus 3, also promptly the acquisition channel number of 1 dam safety monitoring data collector can to reach 2040 (255 * 8) individual.The I of main control module 1 and detection module 2
2The C communication bus interface uses two-channel digital magnetic isolating chip ADuM1201 to suppress external noise.
Specific embodiment two
As shown in Figure 1, detection module 2 inner P1～P8 are 8 acquisition channels, and each acquisition channel can insert a sensor.Channel switching circuit, input and the modulate circuit of control detection module 2 inside; Completion is to the excitation and the detection of sensor; Single-chip microcomputer is through each acquisition channel sensor-lodging; With the analog signal conversion of sensor is the digital signal that can on universal serial bus 3, transmit, and reports main control module through universal serial bus;
Single-chip microcomputer in the main control module 1 is controlled main control module 1 inner each circuit unit, and carries out addressing and image data through universal serial bus 3 each detection module 2 of control, receives the digital signal that each detection module reports.
Because universal serial bus is out to leak output, therefore pull-up resistor will be set on universal serial bus, when main control module output high level, move voltage to supply voltage.
In addition, prevent that external electromagnetic interference is coupled to inside circuit through connection, can digital magnetic isolating chip be set at the connection inlet of main control module and the connection inlet of each detection module.
The invention has the beneficial effects as follows,, main control module and detection module are separated from each other, satisfied dam safety monitoring data collector versatility requirement, have outstanding scalability and flexible extension property through the modular construction design; Complete function, type of detection are complete, and number of channels is unrestricted; When the sensor access demand of newtype, can reduce the overlapping development of main control circuit, only need the corresponding detection module of exploitation, reduce hardware cost; Project installation flexible configuration detection module satisfies different monitoring requirements; During the system failure, only need to change malfunctioning module, need not complete machine and change, the economize on hardware cost shortens failure recovery time.
What should explain at last is: the above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a collecting safe monitoring data device is characterized in that, comprising:
Be no less than one detection module, said each detection module comprises input and modulate circuit, channel switching circuit, single-chip microcomputer;
Main control module comprises power supply unit, communication unit, clock unit, storage unit and single-chip microcomputer;
Said each detection module is separated from each other with main control module and is connected through universal serial bus.
2. collecting safe monitoring data device according to claim 1 is characterized in that,
Single-chip microcomputer in single-chip microcomputer in the said main control module and the said detection module is inner integrated bi-directional two wire serial bus I
2The MSP430 Series of MCU of C interface.
3. collecting safe monitoring data device according to claim 1 and 2 is characterized in that, said each detection module has 8 acquisition channels.
4. collecting safe monitoring data device according to claim 1 and 2; It is characterized in that; Said detection module is the type vibration wire detection module according to the sensor type that is connect, or the differential resistance type detection module, or potentiometer formula detection module; Or electric current and voltage formula detection module, or bus type detection module.
5. collecting safe monitoring data device according to claim 1 and 2 is characterized in that said universal serial bus is provided with pull-up resistor.
6. collecting safe monitoring data device according to claim 1 and 2 is characterized in that, the connection inlet of said main control module and the connection inlet of each detection module are provided with digital magnetic isolating chip.
7. collecting safe monitoring data device according to claim 6 is characterized in that, said digital magnetic isolating chip is two-channel digital magnetic isolating chip ADuM1201.
8. a method for collecting safe monitoring data is characterized in that, comprising:
Through being no less than one detection module sensor-lodging, be digital signal with sensor signal by analog signal conversion, and report main control module through universal serial bus;
Main control module carries out passage through each detection module of serial bus control and switches image data, and receives the digital signal that each detection module reports.
9. method for collecting safe monitoring data according to claim 8 is characterized in that, also comprises:
At the connection inlet of said main control module and the connection inlet of each detection module digital magnetic isolating chip is set, prevents that external electromagnetic interference is coupled to inside circuit through connection.
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| CN201110351976XA CN102354442A (en) | 2011-11-09 | 2011-11-09 | Safety monitoring data acquisition device and method |
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| CN201110351976XA CN102354442A (en) | 2011-11-09 | 2011-11-09 | Safety monitoring data acquisition device and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406545A (en) * | 2014-12-01 | 2015-03-11 | 上海理工大学 | Device for measuring and calculating rotating angle based on incremental rotary optical encoder |
| CN107181810A (en) * | 2017-06-06 | 2017-09-19 | 刘爽 | Multipurpose expandable type pre-warning system for monitoring and method |
| CN108181433A (en) * | 2018-01-24 | 2018-06-19 | 南宁天亮精细化工有限责任公司 | A kind of air pollutants monitoring system and its monitoring method |
| CN108958220A (en) * | 2018-07-03 | 2018-12-07 | 合肥通用机械研究院有限公司 | A kind of the intelligence instrument configuration software and method of fluid machinery TT&C system |
| CN111077813A (en) * | 2019-09-26 | 2020-04-28 | 深圳市东深电子股份有限公司 | Dam safety monitoring data automatic acquisition system and method |
| CN111478809A (en) * | 2020-04-03 | 2020-07-31 | 成都泰测科技有限公司 | Data monitoring terminal rapid maintenance method based on Internet of things technology |
| CN112113999A (en) * | 2020-10-14 | 2020-12-22 | 金翼安达航空科技（北京）有限公司 | Crack intelligent detector |
| CN112268984A (en) * | 2020-10-14 | 2021-01-26 | 金翼安达航空科技（北京）有限公司 | Intelligent crack detection system |
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| CN201302501Y (en) * | 2008-05-16 | 2009-09-02 | 梁志友 | VW+RTD sensor signal detecting instrument used for large-dam seepage pressure monitoring |
| CN201788396U (en) * | 2010-04-15 | 2011-04-06 | 中国地震局地震研究所 | Intelligent measurement control system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201302501Y (en) * | 2008-05-16 | 2009-09-02 | 梁志友 | VW+RTD sensor signal detecting instrument used for large-dam seepage pressure monitoring |
| CN201788396U (en) * | 2010-04-15 | 2011-04-06 | 中国地震局地震研究所 | Intelligent measurement control system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406545A (en) * | 2014-12-01 | 2015-03-11 | 上海理工大学 | Device for measuring and calculating rotating angle based on incremental rotary optical encoder |
| CN107181810A (en) * | 2017-06-06 | 2017-09-19 | 刘爽 | Multipurpose expandable type pre-warning system for monitoring and method |
| CN108181433A (en) * | 2018-01-24 | 2018-06-19 | 南宁天亮精细化工有限责任公司 | A kind of air pollutants monitoring system and its monitoring method |
| CN108958220A (en) * | 2018-07-03 | 2018-12-07 | 合肥通用机械研究院有限公司 | A kind of the intelligence instrument configuration software and method of fluid machinery TT&C system |
| CN111077813A (en) * | 2019-09-26 | 2020-04-28 | 深圳市东深电子股份有限公司 | Dam safety monitoring data automatic acquisition system and method |
| CN111077813B (en) * | 2019-09-26 | 2021-04-27 | 深圳市东深电子股份有限公司 | Dam safety monitoring data automatic acquisition system and method |
| CN111478809A (en) * | 2020-04-03 | 2020-07-31 | 成都泰测科技有限公司 | Data monitoring terminal rapid maintenance method based on Internet of things technology |
| CN111478809B (en) * | 2020-04-03 | 2022-05-06 | 成都泰测科技有限公司 | Data monitoring terminal rapid maintenance method based on Internet of things technology |
| CN112113999A (en) * | 2020-10-14 | 2020-12-22 | 金翼安达航空科技（北京）有限公司 | Crack intelligent detector |
| CN112268984A (en) * | 2020-10-14 | 2021-01-26 | 金翼安达航空科技（北京）有限公司 | Intelligent crack detection system |
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Application publication date: 20120215 |