CN215893831U - Channel ground temperature acquisition system - Google Patents

Channel ground temperature acquisition system Download PDF

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Publication number
CN215893831U
CN215893831U CN202122310912.7U CN202122310912U CN215893831U CN 215893831 U CN215893831 U CN 215893831U CN 202122310912 U CN202122310912 U CN 202122310912U CN 215893831 U CN215893831 U CN 215893831U
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China
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ground
temperature
module
channel
data
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徐宏伟
姜杰
李占强
张利军
曹立奇
李飞
李曼竹
任秀
王一如
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Inner Mongolia Hetao Irrigation Area Water Conservancy Development Center
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Inner Mongolia Hetao Irrigation Area Water Conservancy Development Center
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Abstract

The utility model discloses a channel ground temperature acquisition system, which comprises a temperature measurement unit and a multi-channel ground temperature acquisition signal inspection unit; the temperature measuring unit comprises supporting equipment and a temperature sensor, the temperature sensor is fixed on the supporting equipment and arranged in the trench foundation soil below the ground, and the temperature sensor is used for measuring the temperature of the trench foundation soil at different depth positions below the ground; the multichannel ground temperature acquisition signal inspection unit comprises a multichannel digital signal collection module, a storage module, an analysis module and a display module. The channel ground temperature acquisition system can acquire, store and analyze the channel ground temperature in a multi-path manner.

Description

Channel ground temperature acquisition system
Technical Field
The utility model relates to a channel ground temperature acquisition system, in particular to a channel ground temperature acquisition system for acquiring the channel foundation soil temperature of a lining channel.
Background
In the irrigation channel in the northern area, under the low-temperature condition in winter, the volume of channel foundation soil containing certain moisture expands after being frozen, so that hydraulic buildings of the channel and channel lining engineering can be greatly damaged. In order to reduce or eliminate the frost heaving deformation quantity of the trench foundation soil, heat insulation measures need to be taken for the lining trench. When designing heat preservation measures, how to select the most economical heat preservation scheme needs to compare types of the heat preservation schemes. At present, instruments specially used for collecting the contents are rare, historical record inquiry and temperature change curve display need to be matched with an upper computer, functions are not comprehensive and visual for field users, and the problems that the existing instruments are not directed at outdoor low-temperature use environments and cannot normally operate under the low-temperature condition can occur.
CN101908262A discloses a sensor for wireless multiple spot ground temperature monitoring, this sensor includes that the electric energy provides the unit, the seal, thermal-insulated pipe, the signal line, the control panel, at least one temperature sensor node unit, the radio frequency unit, the electric energy provides the unit to be fixed on the seal, the inside control panel that is fixed with of seal, the seal passes through screw thread zonulae occludens with thermal-insulated pipe zonulae occludens thermal-insulated pipe and at least one temperature sensor node unit with thermal-insulated pipe zonulae occludens, temperature sensor node unit is connected with the control panel through the signal line. The patent document can measure the temperature of soil at different depths, but cannot complete multi-path collection and analysis of temperature data.
CN104236623A discloses a multi-functional automatic monitoring system of water delivery channel frost heaving, including monitoring center, data acquisition transmission system and monitoring instrument, the data transmission acquisition system is connected to the monitoring instrument, and the data transmission acquisition system passes through network connection monitoring center, and including setting up displacement sensor, the temperature sensor at each control point in the monitoring instrument. The temperature sensor of the patent document is not fixed by a supporting device, and the temperature of soil with specific depth cannot be accurately obtained when the channel is frost-swelled.
CN202182771U discloses a soil temperature remote monitoring and early warning device, which comprises a soil temperature sensor, arranged in the monitored soil, for generating a soil temperature data signal; the data acquisition unit is used for receiving soil temperature data signals generated by the soil temperature sensor; and the wireless communication module is used for receiving the soil temperature data signals received by the data collector and transmitting the soil temperature data signals to the outside through a wireless communication network. This patent document does not relate to the fixing of a temperature sensor without the use of a support device.
CN206818318U discloses a soil temperature measuring device, including location coupling assembling, two fixed lantern rings and two temperature cell, every the fixed lantern ring of suit respectively on the temperature cell, two fixed lantern rings pass through location coupling assembling connects. This patent document does not deal with multiplexed temperature acquisition and temperature data analysis and transmission.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a channel ground temperature collecting system. The system can collect, store and analyze the ground temperature of the channel in multiple ways, is beneficial to judging different heat preservation measures and provides a technical basis for analyzing economic benefits. Further, the system can accurately measure the temperature of soil at different depths when the volume of the trench foundation soil changes. The utility model achieves the above purpose through the following technical scheme.
The utility model provides a channel ground temperature acquisition system, which comprises a temperature measurement unit and a multi-channel ground temperature acquisition signal inspection unit;
the temperature measuring unit comprises a supporting device and a temperature sensor, the supporting device is arranged along the direction vertical to the ground, one part of the supporting device is positioned above the ground, and the other part of the supporting device is positioned below the ground; the temperature sensor is fixed on the supporting equipment and arranged in the channel foundation soil below the ground, and the temperature sensor is used for measuring the temperature of the channel foundation soil at different depth positions below the ground;
the multichannel ground temperature acquisition signal inspection unit comprises a multichannel digital signal collection module, a storage module, an analysis module and a display module;
the multi-channel digital signal collecting module is connected with the temperature sensor and is used for collecting temperature data;
the storage module is connected with the multi-channel digital signal collection module and is used for storing temperature data;
the analysis module is respectively connected with the storage module and the multi-channel digital signal collection module and is used for analyzing the immediately collected temperature data and the stored historical data, forming analysis data of temperature change trend and storing the analysis data in the storage module;
the display module is respectively connected with the multi-channel digital signal collection module, the storage module and the analysis module and is used for displaying and inquiring the immediately collected temperature data, historical data and analysis data.
According to the channel ground temperature acquisition system, preferably:
the channel ground temperature acquisition system also comprises a server;
the multichannel ground temperature acquisition signal inspection unit also comprises an output module; the output module is respectively connected with the analysis module and the storage module and is used for transmitting the historical data and the analysis data to the server.
According to the channel ground temperature acquisition system, preferably, the output module is provided with an RS485/232 interface; the server is a cloud server.
The channel ground temperature acquisition system preferably further comprises a power supply unit, and the power supply unit is respectively connected with the temperature measurement unit and the multichannel ground temperature acquisition signal inspection unit.
According to the channel ground temperature acquisition system, preferably:
the power supply unit comprises solar equipment, and the solar equipment is used for converting solar energy into electric energy;
the temperature sensor comprises a probe and a signal cable which are connected, wherein one end of the signal cable, which is far away from the probe, is connected with the multi-path digital signal collecting module.
According to the channel ground temperature acquisition system, preferably, the support equipment is provided with a ground reference line, and the ground reference line and the ground are arranged in a coplanar manner; the part of the supporting equipment above the ground reference line is provided with scale marks.
According to the channel ground temperature acquisition system, preferably, the probe is arranged to be parallel to the ground reference line.
According to the channel ground temperature acquisition system provided by the utility model, preferably, the supporting equipment further comprises a connecting position, one end of the connecting position is fixed on the supporting equipment, and the other end of the connecting position is connected with the temperature sensor.
According to the channel ground temperature acquisition system provided by the utility model, preferably, the connection positions are multiple, are respectively arranged below a ground reference line and are uniformly distributed; the distance between two adjacent connecting positions is 5-50 cm.
According to the channel ground temperature acquisition system, preferably, one of the connection positions is arranged close to the ground reference line.
The channel ground temperature acquisition system can realize multi-path ground temperature acquisition, storage and analysis, particularly realize the functions of continuous temperature monitoring, curve and report generation and data remote transmission on the soil frozen layer under the low-temperature outdoor condition, and can realize the inquiry of historical data. Therefore, different heat preservation measures can be judged conveniently, and a technical basis is provided for analyzing economic benefits. In addition, the system can accurately measure the temperature of the trench foundation soil at different depths when the volume of the trench foundation soil changes.
Drawings
FIG. 1 is a schematic view of a channel ground temperature collection system according to the present invention.
Fig. 2 is a schematic structural diagram of a temperature measuring unit according to the present invention.
The reference numerals are explained below:
100-a temperature measuring unit, 110-supporting equipment, 111-a ground reference line, 112-a scale mark, 113-a connecting position, 120-a temperature sensor, 200-a multichannel ground temperature acquisition signal inspection unit, 210-a multichannel digital signal collecting module, 220-a storage module, 230-an analysis module, 240-a display module, 250-an output module and 300-a server.
Detailed Description
The utility model will be further described with reference to the following figures and specific examples, but the scope of the utility model is not limited thereto.
The channel ground temperature acquisition system comprises a temperature measurement unit, a multi-channel ground temperature acquisition signal inspection unit and a power supply unit. Optionally, a server is also included. As described in detail below.
< temperature measuring Unit >
The temperature measuring unit of the present invention includes a support device and a temperature sensor. Therefore, the depth of the temperature sensor can be accurately calculated when the ground position is displaced.
The support device is arranged in a direction perpendicular to the ground, and one part of the support device is positioned above the ground and the other part of the support device is positioned below the ground.
According to one embodiment of the utility model, the support apparatus has a ground reference line, the ground reference line being co-planar with the ground. The portion of the support device above the ground reference line has graduation marks. Therefore, when the ground position is displaced, the ground displacement distance can be calculated through the scale marks.
In certain embodiments, the ground reference line coincides with the maximum graduation mark.
In the present invention, the supporting device may be a rod or a rectangular parallelepiped. According to an embodiment of the utility model, the support device is of a cuboid type. The support device may be made of nylon.
When the temperature measuring unit is used, the ground reference line is leveled with the ground of the channel foundation soil, so that the initial position of the ground of the channel foundation soil can be accurately marked by using the ground reference line, the displacement can be accurately recorded when the ground position is displaced, and the depth of the temperature sensor can be accurately calculated.
In some embodiments, the support device is 4-7 cm in length above the ground reference line. The length of the supporting equipment below the ground reference line is determined according to the depth of the foundation soil of the required measuring ditch. In some embodiments, the support device is 100-300 cm in length below the ground reference line. In other embodiments, the support device is 400-600 cm in length below the ground reference line.
The support device of the utility model is also provided with a connection site. One end of the connecting position is fixed on the supporting equipment, and the other end of the connecting position is connected with the temperature sensor. This facilitates the fixing of the temperature sensor to the support device.
According to one embodiment of the utility model, the connecting positions are a plurality of connecting positions which are respectively arranged below the ground datum line and are uniformly distributed; the distance between two adjacent connecting positions is 5-50 cm. The distance between two adjacent connection positions can be set according to the measurement requirement. According to one embodiment of the utility model, the spacing between two adjacent connection sites is 20 cm. One of the connection locations is disposed proximate to the ground reference line.
The temperature sensor is fixed on the supporting equipment and arranged in the trench foundation soil below the ground, and particularly, the temperature sensor is fixed on the connecting position. The temperature sensor is used for measuring the temperature of the trench foundation soil at different depth positions below the ground.
In the utility model, the temperature sensor is connected with the multi-channel ground temperature acquisition signal patrol inspection unit. According to one embodiment of the utility model, the temperature sensor includes a probe and a signal cable connected. The signal cable is connected with the multichannel ground temperature acquisition signal inspection unit. According to one embodiment of the utility model, the end of the signal cable remote from the probe is connected to a multipath digital signal collection module.
According to one embodiment of the utility model, the probe of the temperature sensor is arranged parallel to the ground reference line.
In the utility model, the temperature sensor can be made of 316 stainless steel materials as a probe and filled with epoxy resin, so that the temperature sensor has good thermal conductivity and waterproofness. The used signal cable can adopt a ground temperature double-layer shielding signal wire, so that the dielectric loss is low under the working condition of minus 45 ℃, and the mechanical property is not changed after the cable is exposed outdoors for a long time in the environmental temperature range of 0 ℃ to minus 45 ℃. The measuring range of the temperature sensor can reach-55 ℃ to +125 ℃, and the precision can reach +/-0.5 ℃.
In the present invention, the temperature measuring unit is used as follows: the temperature sensor is correspondingly fixed on the supporting equipment, a hole is vertically dug downwards from the ground by adopting a Luoyang shovel or other hole-making tools, the supporting equipment is placed in the hole, and the height of the supporting equipment is adjusted by adding sandy soil, so that the ground reference line is level to the ground. Adding water into the dug original soil to form a pasty mud-water mixture, pouring the pasty mud-water mixture into the hole for backfilling, standing for half an hour after the hole is filled with the mixture, continuously adding the mixture after the liquid level is lowered, and repeating the process until the height of the backfilled soil is consistent with that of the ground. When the ground position changes, the scale marks on the supporting equipment can accurately observe the relative vertical displacement between the temperature measuring unit and the ground, and the relative burial depth of the temperature sensor can be accurately calculated.
< Multi-channel ground temperature acquisition Signal patrol inspection Unit >
The multichannel ground temperature acquisition signal inspection unit comprises a multichannel digital signal collection module, a storage module, an analysis module, a display module and an output module. Therefore, the problem of multi-path ground temperature acquisition can be solved, and particularly, under the low-temperature outdoor condition, the functions of continuous temperature monitoring, curve and report generation, data remote transmission and the like of the soil frozen layer are realized.
The multi-channel digital signal collection module is connected with the temperature sensor and used for collecting temperature data. In the utility model, 16-path channel acquisition can be adopted according to the setting requirement, the refresh time setting from second to hour can be realized, and the channel name can be independently set, so that the method is more visual and accurate.
The storage module is connected with the multi-channel digital signal collection module and is used for storing the temperature data. The analysis module is respectively connected with the storage module and the multi-channel digital signal collection module, and is used for analyzing the immediately collected temperature data and the stored historical data, forming analysis data of temperature change trend and storing the analysis data in the storage module. The display module is respectively connected with the multi-channel digital signal collection module, the storage module and the analysis module and is used for displaying and inquiring the immediately collected temperature data, historical data and analysis data. In the utility model, the real-time and historical temperature change trend curve graphs can be displayed independently or in groups, the data storage for many years can be realized, and the inquiry of historical data and temperature change trend curves can be realized, so that technical basis can be provided for the economic benefit analysis of different heat preservation measures.
The output module is respectively connected with the analysis module and the storage module and is used for transmitting the historical data and the analysis data to the server. This may facilitate multi-user queries and long-term storage of data.
According to one embodiment of the utility model, the output module is provided with an RS485/232 interface. This allows for the remote transmission of data.
In the utility model, the multi-channel ground temperature acquisition signal patrol inspection unit can be integrated to form the multi-channel ground temperature acquisition signal patrol inspection instrument.
< Server >
The server of the utility model is connected with the output module. In certain embodiments, the server is a cloud server. Therefore, the system can facilitate multi-user query and remote user query of channel ground temperature acquisition data.
< Power supply Unit >
The power supply unit is respectively connected with the temperature measuring unit and the multi-channel ground temperature acquisition signal inspection unit. In some embodiments, the power supply unit is also connected to the server.
In the utility model, the DC12V power supply or the AC220V power supply can be flexibly selected according to the field power environment.
According to one embodiment of the utility model, the power supply unit comprises a solar device for converting solar energy into electrical energy. This allows green energy.
In the utility model, the channel ground temperature acquisition system can enter a standby state when not in operation, so that the system endurance time in a solar power supply state can be effectively improved.
Example 1
FIG. 1 is a schematic view of a channel ground temperature collection system according to the present invention. Fig. 2 is a schematic structural diagram of the temperature measuring unit of the present invention.
As shown in fig. 1, the channel ground temperature collecting system of the present embodiment includes a temperature measuring unit 100, a multi-channel ground temperature collecting signal inspection unit 200, a server 300, and a power supply unit (not shown).
As shown in fig. 2, the temperature measurement unit 100 includes a support device 110 and a temperature sensor 120. The support device 110 is disposed in a direction perpendicular to the ground, and a part of the support device 110 is located above the ground and another part is located below the ground. The temperature sensor 120 is fixed on the supporting device 100 and is disposed in the trench foundation soil below the ground, and the temperature sensor 120 is used for measuring the temperature of the trench foundation soil at different depth positions below the ground.
In this embodiment, the temperature sensor 120 includes a probe and a signal cable connected to the multi-channel digital signal collection module 110.
The support device 110 is of a rectangular parallelepiped shape. As shown in fig. 2, the support apparatus 110 has a ground reference line 111, and the ground reference line 111 may be disposed coplanar with the ground. The portion of the support apparatus 110 above the ground reference line 111 has graduation marks 112. The portion of the support device 110 below the ground reference line 111 is provided with a connection location 113, and one end of the connection location 113 is fixed to the support device 110, and the other end is connected to the temperature sensor 120. The connecting positions 113 are multiple and evenly distributed; the distance between two adjacent connecting sites 113 is 20 cm. A temperature sensor 120 is connected to each connection site. One of the connection sites 113 is disposed near the ground reference line 111. The support device 110 is 200cm in a portion located below the ground reference line 111. The probe of the temperature sensor 120 is parallel to the ground reference line 111. The measuring range of the probe of the temperature sensor 120 can reach-55 ℃ to +125 ℃.
As shown in fig. 1, the multi-channel ground temperature collecting signal inspection unit 200 includes a multi-channel digital signal collecting module 210, a storage module 220, an analysis module 230, a display module 240 and an output module 250.
The multi-channel digital signal collection module 210 is connected to the temperature sensor 120 and can collect temperature data. In this embodiment, the multi-channel digital signal collecting module 210 can collect 16 temperature signals. The storage module 220 is connected to the multipath digital signal collection module 210, and can store the temperature data. The analyzing module 230 is connected to the storage module 220 and the multi-channel digital signal collecting module 210, and can analyze the immediately collected temperature data and the stored historical data, form analysis data of the temperature variation trend, and store the analysis data in the storage module 220. The display module 240 is connected to the multi-channel digital signal collection module 210, the storage module 220 and the analysis module 230, respectively, and can display and query the temperature data, the historical data and the analysis data collected at the moment. The output module 250 is connected to the analysis module 230 and the storage module 220, respectively, and the output module 250 may transmit the history data and the analysis data to the server 300. In this embodiment, the output module 250 has an RS485/232 interface. The power supply unit is respectively connected with the temperature measuring unit 100 and the multi-channel ground temperature acquisition signal inspection unit 200. The power supply unit can select DC12V power supply or AC220V power supply.
Example 2
The same as in example 1 except for the following settings:
the power supply unit of the present embodiment comprises a solar device that can be used to convert solar energy into electrical energy.
Example 3
The same as example 2 except for the following settings:
the server 300 is a cloud server.
Example 4
The same as example 2 except for the following settings:
the interval between two adjacent connecting positions 113 is 10 cm.
The present invention is not limited to the above-described embodiments, and any variations, modifications, and substitutions which may occur to those skilled in the art may be made without departing from the spirit of the utility model.

Claims (10)

1. A channel ground temperature acquisition system is characterized by comprising a temperature measuring unit and a multi-channel ground temperature acquisition signal inspection unit;
the temperature measuring unit comprises a supporting device and a temperature sensor, the supporting device is arranged along the direction vertical to the ground, one part of the supporting device is positioned above the ground, and the other part of the supporting device is positioned below the ground; the temperature sensor is fixed on the supporting equipment and arranged in the channel foundation soil below the ground, and the temperature sensor is used for measuring the temperature of the channel foundation soil at different depth positions below the ground;
the multichannel ground temperature acquisition signal inspection unit comprises a multichannel digital signal collection module, a storage module, an analysis module and a display module;
the multi-channel digital signal collecting module is connected with the temperature sensor and is used for collecting temperature data;
the storage module is connected with the multi-channel digital signal collection module and is used for storing temperature data;
the analysis module is respectively connected with the storage module and the multi-channel digital signal collection module and is used for analyzing the immediately collected temperature data and the stored historical data, forming analysis data of temperature change trend and storing the analysis data in the storage module;
the display module is respectively connected with the multi-channel digital signal collection module, the storage module and the analysis module and is used for displaying and inquiring the immediately collected temperature data, historical data and analysis data.
2. The system of claim 1, wherein:
the channel ground temperature acquisition system also comprises a server;
the multichannel ground temperature acquisition signal inspection unit also comprises an output module; the output module is respectively connected with the analysis module and the storage module and is used for transmitting the historical data and the analysis data to the server.
3. The system of claim 2, wherein the output module has an RS485/232 interface; the server is a cloud server.
4. The system according to claim 1, further comprising a power supply unit, wherein the power supply unit is respectively connected with the temperature measurement unit and the multichannel ground temperature acquisition signal inspection unit.
5. The system of claim 4, wherein:
the power supply unit comprises solar equipment, and the solar equipment is used for converting solar energy into electric energy;
the temperature sensor comprises a probe and a signal cable which are connected, wherein one end of the signal cable, which is far away from the probe, is connected with the multi-path digital signal collecting module.
6. The system of claim 5, wherein said support apparatus has a ground reference line, said ground reference line being disposed coplanar with said ground; the part of the supporting equipment above the ground reference line is provided with scale marks.
7. The system of claim 6, wherein the probe is disposed parallel to the ground reference line.
8. The system of claim 7, wherein the support device further comprises a connection site, one end of the connection site is fixed to the support device, and the other end of the connection site is connected to the temperature sensor.
9. The system according to claim 8, wherein the connecting positions are a plurality of connecting positions which are respectively arranged below a ground datum line and are uniformly distributed; the distance between two adjacent connecting positions is 5-50 cm.
10. The system of claim 9, wherein one of the connection sites is disposed proximate the ground reference line.
CN202122310912.7U 2021-09-24 2021-09-24 Channel ground temperature acquisition system Active CN215893831U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114814987A (en) * 2022-05-25 2022-07-29 北京千里触控设备有限公司 Agricultural meteorological data acquisition remote control equipment and system and use method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114814987A (en) * 2022-05-25 2022-07-29 北京千里触控设备有限公司 Agricultural meteorological data acquisition remote control equipment and system and use method thereof

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