CN213364770U - Remote observation system based on automatic frozen soil observation instrument - Google Patents
Remote observation system based on automatic frozen soil observation instrument Download PDFInfo
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- CN213364770U CN213364770U CN202022122819.9U CN202022122819U CN213364770U CN 213364770 U CN213364770 U CN 213364770U CN 202022122819 U CN202022122819 U CN 202022122819U CN 213364770 U CN213364770 U CN 213364770U
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Abstract
The utility model discloses a long-range observation system based on automatic visulizer of frozen soil, a serial communication port, include: the system comprises an automatic frozen soil observation instrument, an industrial control computer and a database, wherein one end of the automatic frozen soil observation instrument is vertically buried in the ground and is in communication connection with the industrial control computer, and the industrial control computer is connected with the database, wherein the automatic frozen soil observation instrument is used for acquiring a minute acquisition value of frozen soil and uploading received data to the industrial control computer; the industrial control computer is used for receiving and processing the data transmitted by the collector, performing corresponding analysis processing to obtain the upper and lower limit values and the occurrence time of the minimum frozen soil layer per hour, and uploading the analysis result to the database; and the database is used for storing data. The utility model discloses can measure the frozen soil district in real time to guarantee to carry out accurate measurement to frozen soil district meteorological element frozen soil change, reduced the degree of difficulty of maintaining the maintenance.
Description
Technical Field
The utility model relates to a frozen soil measures technical field, especially relates to a remote observation system based on automatic visulizer of frozen soil.
Background
The frozen soil is the only observation element which comprises an upper limit value, a lower limit value and an indefinite number of layers in meteorological observation elements. At home and abroad, the traditional common method for measuring the depth of frozen soil in meteorological observation is to vertically place plastic pipes filled with local underground water or tap water and sealed at two ends in copper pipes embedded in the soil, and judge the depth of the frozen soil according to the freezing condition of water, and the method is actually used for observing the position of the ground temperature of 0 ℃ and cannot accurately measure the position of the frozen soil. Due to the fact that the freezing (freezing point) temperatures of the soil are different due to different textures, components and concentrations of the water solution and external conditions such as pressure, the method is not scientific in frozen soil depth observation, when the frozen soil layer is deep, observation is inconvenient, workload is large, time and labor are consumed, the measured data density is insufficient, and the frozen soil depth and development change conditions of the frozen soil cannot be monitored in real time. The satellite remote sensing mode can also carry out certain monitoring to the frozen soil, but is only suitable for monitoring in a large range, and can not carry out refined monitoring to the frozen soil depth.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a remote observation system based on automatic visulizer of frozen soil.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a remote observation system based on an automatic frozen soil observer comprises: the frozen soil automatic observation instrument comprises a frozen soil automatic observation instrument, an industrial control computer and a database, wherein one end of the frozen soil automatic observation instrument is vertically buried in the ground and is in communication connection with the industrial control computer, the industrial control computer is connected with the database, wherein,
automatic visulizer of frozen soil includes: a frozen soil sensor, a collector, a power supply unit and a wireless communication unit,
wherein the content of the first and second substances,
the power supply unit is respectively connected with the frozen soil sensor and the collector and respectively supplies electric energy to the frozen soil sensor and the collector;
the frozen soil sensor is connected with the collector and used for collecting the minute collection value of the frozen soil and transmitting the minute collection value to the collector;
the collector is connected with the industrial control computer through the wireless communication unit and is used for receiving the acquired value of the frozen soil in minutes acquired by the frozen soil sensor and uploading the received data to the industrial control computer,
the industrial control computer is used for receiving and processing the data transmitted by the collector, performing corresponding analysis processing to obtain the upper and lower limit values and the occurrence time of the minimum frozen soil layer per hour, and uploading the analysis result to the database;
and the database is used for storing data.
Preferably, the frozen soil sensor comprises a plurality of measuring units which are distributed at equal intervals and vertically.
Preferably, the measuring unit is a freeze-resistance type sensor or a temperature-measuring type sensor.
Preferably, the wireless communication unit adopts an RS232 module or an RS485 module.
Preferably, the frozen soil sensor is connected with the collector through a CAN bus.
Preferably, the industrial control computer uploads the analysis result to the database after forming the data in the meteorological regulation BUFF format.
Preferably, the power supply unit comprises a solar panel and a lithium battery, and the solar panel is electrically connected with the lithium battery.
Based on the technical scheme, the beneficial effects of the utility model are that:
1) the automatic monitoring of different frozen soil depths for a long time can be realized, the accurate measurement of the change of the meteorological elements frozen soil in the frozen soil area can be ensured, and the difficulty of maintenance is reduced;
2) the method measures the frozen soil area in real time, knows the detailed change condition of meteorological element frozen soil in the frozen soil area, performs error analysis on data in the measuring process, and can improve the accuracy and authenticity of the meteorological element frozen soil measurement in the frozen soil area.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1: the utility model relates to a schematic block diagram of remote observation based on an automatic frozen soil observation instrument;
FIG. 2: the utility model relates to a remote observation method flow chart based on an automatic frozen soil observation instrument;
FIG. 3: the utility model relates to a schematic diagram of the comparison of two adjacent groups of data based on a remote observation method of an automatic frozen soil observer,
in the figures, the various reference numbers are:
the system comprises a frozen soil automatic observation instrument 1, a frozen soil sensor 11, a collector 12, a power supply unit 13, a wireless communication unit 14, an industrial control computer 2 and a database 3.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example one
As shown in fig. 1, a remote observation system based on an automatic frozen soil observer includes: the automatic frozen soil observation instrument comprises a frozen soil automatic observation instrument 1, an industrial control computer 2 and a database 3, wherein the automatic frozen soil observation instrument 1 is embedded according to the area of a monitored area, the distance between every two automatic frozen soil observation instruments 1 is set between 18 and 22km, one end of each automatic frozen soil observation instrument 1 is vertically embedded in the ground and is in communication connection with the industrial control computer 2, the industrial control computer 2 is connected with the database 3,
the automatic frozen soil observation instrument 1 includes: frozen soil sensor 11, collector 12, power supply unit 13 and wireless communication unit 14, wherein,
the power supply unit 13 is respectively connected with the frozen soil sensor 11 and the collector 12 and respectively supplies electric energy to the frozen soil sensor 11 and the collector 12;
the frozen soil sensor 11 is connected with the collector 12 through a CAN bus and used for collecting a minute collection value of frozen soil and transmitting the minute collection value to the collector 12;
the collector 12 is connected with the industrial control computer 2 through a wireless communication unit 14 and is used for receiving the acquired value of the frozen soil in minutes acquired by the frozen soil sensor 11 and uploading the received data to the industrial control computer 2,
the industrial control computer 2 is used for receiving and processing the data transmitted by the collector 12, then performing corresponding analysis processing to obtain the upper and lower limit values and the occurrence time of the minimum frozen soil layer in an hour, and uploading the analysis result into meteorological specified BUFF format data to the database 3;
and the database 3 is used for storing data.
Further, the frozen soil sensor 11 comprises a plurality of measuring units which are vertically distributed at equal intervals, and the measuring units are freezing resistance type sensors or temperature measuring type sensors.
Further, the wireless communication unit 14 employs an RS232 module or an RS485 module.
Further, the power supply unit 13 includes a solar cell panel and a lithium battery, and the solar cell panel is electrically connected to the lithium battery.
As shown in fig. 2 and 3, a remote observation method based on an automatic frozen soil observer includes the following steps:
after the automatic frozen soil observation instrument 1 is normal in self-checking equipment per minute, 1 acquisition instruction is sent, the frozen soil sensor 11 receives an acquisition command, acquisition work is carried out on the frozen soil, and a minute acquisition value is sent to the acquisition device 12;
the collector 12 receives the minute collection values of the measurement units in the frozen soil sensor 11 at the collection intervals and sends the minute collection values to the industrial control computer 2;
the industrial control computer 2 receives the minute acquisition value, performs effectiveness and data quality control analysis on the minute acquisition value, obtains minute qualified data after analysis, and the minute qualified data is used for performing later hour analysis processing and calculating the depth and the level of the minute frozen soil according to an acquisition algorithm;
recording the lower limit maximum value in the minute qualified data of the current level in each hour as an hour frozen soil layer lower limit value, recording the corresponding upper limit value as an hour frozen soil layer upper limit value, recording the lower limit maximum value occurrence time as hour frozen soil layer occurrence time (when the lower limit maximum values in the minute qualified data of the current level in each hour are the same, the hour frozen soil layer occurrence time adopts the latest occurrence time), performing quality control analysis on the hour frozen soil layer lower limit value, the hour frozen soil layer upper limit value and the hour frozen soil layer occurrence time, and recording qualified hour data as the hour deepest frozen soil layer upper and lower limit values and the occurrence time.
Further, validity analysis is performed on the minute acquisition value: comparing the minute sampling value with a preset climate identification threshold value, and if the minute sampling value does not exceed the range, acquiring an effective value for the frozen soil minute; if the range is exceeded, the value is invalid and is not used for other calculations.
Further, performing data quality control analysis on the minute acquisition value: and (4) calculating the variable quantity of the minute sampling value by adopting a vertical and horizontal extreme value set method. According to the characteristics of the frozen soil, the automatic observation minute data change of the frozen soil comprises two conditions of horizontal minute corresponding hierarchical change and vertical self hierarchical change. The horizontal corresponding level change refers to frozen soil data acquired in two minutes, and the upper limit and the lower limit of each layer of frozen soil correspondingly change; the longitudinal self-level change refers to frozen soil data acquired in two adjacent minutes, corresponds to the change of self-level depth, takes the maximum value of the longitudinal and transverse changes as the change value of the frozen soil automatic observation minute data, and comprises the following steps:
comparing the current minute acquisition value of each acquisition unit with the corresponding layer value of the previous interval minute acquisition value layer by layer, if the variation of the minute sampling value is within the preset correct variation range, marking the minute sampling value as correct, and setting the current minute value as the qualified minute data; if the current minute acquisition value is within the preset suspicious variation range, the current minute acquisition value is marked as suspicious, the current minute acquisition value cannot be used for calculating the upper and lower limit values of the minimum frozen soil layer in the hour, but is still used for the next data quality control analysis, namely, the next minute interval acquisition value is compared with the suspicious value; if the current minute acquisition value is within the preset error variation range, the current minute acquisition value is marked as 'error', and the current minute acquisition value cannot be used for calculating the upper and lower limit values of the hour deepest frozen soil layer;
when the corresponding levels are increased, if the current minute acquisition value of the acquisition unit meets the requirements in the upper limit and the lower limit ranges of the meteorological variable change, the current minute value is the minute qualified data.
The variation of the minute sampling value is calculated by the vertical and horizontal extreme value set method, and the following formula is adopted:
Δτi＝MAX{|xi-yi|,zi}
in the formula,. DELTA.tauiIs the ith variation, xiAnd yiFor the ith level value of the horizontal initial minute state and the ith level value corresponding to the current minute state, ziIs the variation of the depth of the ith layer of the longitudinal self body, when the transverse variation is melted or frozen and disappears, | x1-y1The | is processed by 0 cm.
According to the formula, as shown in fig. 3, the left side is an initial minute state, the right side is a current minute state, the first layer 38-43 cm is completely melted after one-minute change, namely, the longitudinal melting change is 5cm, and the transverse direction has no comparison reference value and is processed according to 0 cm; after the second layer and the third layer are initially frozen and combined into a first layer in the current minute for one minute, the longitudinal layers of 26-29 cm are frozen and disappear, so that 3cm is adopted, the transverse upper limit is changed from 22cm to 23cm, the upper limit is melted by 1cm, the lower limit is changed from 33cm to 34cm, the longitudinal layers are frozen by 1cm, when the data change of the frozen soil in the same layer includes transverse change and longitudinal change, the large change value is taken as a change range calculation value, and therefore the longitudinal change is taken as 3cm when the change amount is calculated; the initial fourth layer changes to the current second layer, the upper limit is 0cm without corresponding change, the lower limit is frozen by 4cm, namely the transverse and longitudinal changes are 4 cm; the initial fifth layer level is changed into the current third layer, and the state is unchanged, so that the corresponding variation is 0 cm.
Further, quality control analysis of the appearance time of the hour-deepest frozen soil layer: and verifying the occurrence time of the deepest frozen soil layer in the hour, wherein the occurrence time is within the range from the current time to the current minute. If the range is not exceeded, the result is correct; and if the time exceeds the range, the time is an error value and is not used for calculating the appearance time of the minimum frozen soil layer.
Further, the quality control analysis of the upper and lower limit values of the hour deepest frozen soil layer is as follows: verifying whether the upper limit value and the lower limit value of the deepest frozen soil layer are within the upper limit range and the lower limit range of the change of the preset meteorological variable, and if the time corresponding to the upper limit value and the lower limit value of the frozen soil layer is a value, determining that the time is correct; otherwise, the value is an error value, and the upper limit value and the lower limit value of the minimum frozen soil layer in the hour cannot be calculated.
The above is only the preferred embodiment of the remote observation system based on the automatic frozen soil observer disclosed in the present invention, and is not used to limit the protection scope of the embodiments of the present specification. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present disclosure should be included in the protection scope of the embodiments of the present disclosure.
The systems, devices, modules or units illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product with certain functions. One typical implementation device is a computer. In particular, the computer may be, for example, a personal computer, a laptop computer, a cellular telephone, a camera phone, a smartphone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or a combination of any of these devices.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present specification are all described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Claims (7)
1. The utility model provides a long-range observation system based on automatic visulizer of frozen soil which characterized in that includes: the frozen soil automatic observation instrument comprises a frozen soil automatic observation instrument, an industrial control computer and a database, wherein one end of the frozen soil automatic observation instrument is vertically buried in the ground and is in communication connection with the industrial control computer, the industrial control computer is connected with the database, wherein,
automatic visulizer of frozen soil includes: frozen soil sensor, collector, power supply unit and wireless communication unit, wherein,
the power supply unit is respectively connected with the frozen soil sensor and the collector and respectively supplies electric energy to the frozen soil sensor and the collector;
the frozen soil sensor is connected with the collector and used for collecting the minute collection value of the frozen soil and transmitting the minute collection value to the collector;
the collector is connected with the industrial control computer through the wireless communication unit and is used for receiving the acquired value of the frozen soil in minutes acquired by the frozen soil sensor and uploading the received data to the industrial control computer,
the industrial control computer is used for receiving and processing the data transmitted by the collector, performing corresponding analysis processing to obtain the upper and lower limit values and the occurrence time of the minimum frozen soil layer per hour, and uploading the analysis result to the database;
and the database is used for storing data.
2. The system according to claim 1, wherein said frozen soil sensor comprises a plurality of measuring units which are vertically distributed and are equally spaced.
3. The system according to claim 2, wherein the measuring unit is a freeze-resistance sensor or a temperature-measuring sensor.
4. The system according to claim 1, wherein the wireless communication unit is an RS232 module or an RS485 module.
5. The system according to claim 1, wherein the frozen soil sensor is connected to the collector through a CAN bus.
6. The system of claim 1, wherein the industrial control computer uploads the analysis results to the database as data in a meteorological regulation BUFF format.
7. The system according to claim 1, wherein the power supply unit comprises a solar cell panel and a lithium battery, and the solar cell panel is electrically connected with the lithium battery.
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| CN113433155A (en) * | 2021-06-25 | 2021-09-24 | 中国矿业大学 | Real-time monitoring system and method for unfrozen water of roadbed in cold region |
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| CN113433155A (en) * | 2021-06-25 | 2021-09-24 | 中国矿业大学 | Real-time monitoring system and method for unfrozen water of roadbed in cold region |
| CN113433155B (en) * | 2021-06-25 | 2024-01-30 | 中国矿业大学 | Real-time monitoring system and method for unfrozen water of roadbed in cold area |
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