CN108871413A - Water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer - Google Patents
Water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer Download PDFInfo
- Publication number
- CN108871413A CN108871413A CN201710324669.XA CN201710324669A CN108871413A CN 108871413 A CN108871413 A CN 108871413A CN 201710324669 A CN201710324669 A CN 201710324669A CN 108871413 A CN108871413 A CN 108871413A
- Authority
- CN
- China
- Prior art keywords
- water
- circuit
- soil layer
- frozen soil
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The present invention relates to water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer, including sensor and monitoring instrument host, sensor is made of a string of high thermal sensor cells that resist cold；Monitoring instrument host includes：Channel switching circuit, signal conditioning circuit, microprocessor circuit；Channel switching circuit is mainly made of multiple relays and control circuit, and signal conditioning circuit is by bridge circuit, filter circuit, A/D circuit composition；Microprocessor circuit, as control core, controls the functions such as the switching of relay, the acquisition of data, storage, display using STM32 microcontroller in measurement process；Beneficial effect of the present invention：The defect that pressure-type or light sensation type water level sensor can not work after water surface icing is compensated for, while can also monitor water SEA LEVEL VARIATION and the temperature change of frozen soil layer water phase state change procedure on frozen soil layer, provides critical data for groundwater environment monitoring and surveying.
Description
Technical field
Water water level and water temperature detection device on of the invention and hydrology field more particularly to a kind of extremely frigid zones frozen soil layer.
Background technique
Groundwater resources the variation of underground water quality and quantity itself and cause underground water to become compared with surface water resources complexity
The environmental condition of change and the migration rule of underground water cannot be observed directly, meanwhile, the pollution of underground water and groundwater mining draw
The surface subsidence risen is slow change type, once accumulation is to a certain extent, just becomes irreversible destruction.Therefore accurate exploitation protection
Underground water must just rely on long-term groundwater monitoring, grasp dynamic changes in time.Influence on groundwater the mankind it is normal
Life, the monitoring of groundwater level have essential meaning.
It is less for the special equipment in area's groundwater monitoring field of trembling with fear at present, due to water body phase in the frozen-thaw process of water body
Variation, general equipment cannot preferably realize continuous monitoring during cold area's groundwater monitoring in the market, in freezing period
With melt the phase data distortion or be a definite value, cannot preferably reflect underground water temperature, the variation of water level or even part group
Part embrittlement failure at low temperature.Research and develop a kind of prison that can solve groundwater level during cold area's water body phase-state change, temperature
Device is surveyed, equipment guarantee and technical support can be provided for the research in terms of area's underground water of trembling with fear.
Summary of the invention
To solve drawbacks described above existing in the prior art, the present invention is intended to provide one kind seasons oneself to cold environment, can be simultaneously
Measurement water temperature and the physical state of water continuously can accurately measure water water level and water on the extremely frigid zones frozen soil layer of high temperature area water body
Warm monitoring device.
In order to achieve the above-mentioned object of the invention, the present invention uses following technical scheme：Water water on a kind of extremely frigid zones frozen soil layer
Position and water temperature detection device, are made of sensor and monitoring instrument, and monitoring instrument includes channel switching circuit, signal processing electricity
Road, microprocessor circuit, storage unit and power unit, wherein：Sensor is by multiple mutually isolated high heat-sensitive sensors that resist cold
Unit composition；It is equipped in the channel switching circuit through multi-core cable wire and above-mentioned multiple resists cold high thermal sensor cell one by one
It matches the relay of connection and controls the control unit of relay and power channel；Electric bridge is provided in the signal processing circuit
Circuit, filter circuit, A/D circuit；Power unit is by battery, three-terminal regulator chip and the power supply pipe for connecting three-terminal regulator chip
Manage module composition；The microprocessor circuit includes STM32 core processing unit, and the core processing unit STM32 is at least set
Interface there are four setting, wherein first interface is connect with control unit, the A/D circuit output in second interface and signal processing circuit
End connection, third interface is connect with power management module, the 4th interface is connect with storage unit.
In above-mentioned water level and water temperature detection device, the high thermal sensor cell that resists cold is specially platinum resistance thermometer sensor, preferably
Pt1000。
In above-mentioned water level and water temperature detection device, battery voltage rating is 12V.
In above-mentioned water level and water temperature detection device, the three-terminal regulator chip is by TPS5430 chip and SPX1084 chipset
At.
In above-mentioned water level and water temperature detection device, TPS3700 chip is provided in the power management module.
In above-mentioned water level and water temperature detection device, keyboard and display device are also connected on STM32 core processing unit.
Compared with prior art, the present invention has the following advantages that：Pressure-type level sensor is mostly used in routine techniques at present
Device measures water temperature, but pressure-type water level sensor working principle is, when water level sensor puts into a certain depth in fluid to be measured
When, while sensor meets the pressure that liquid level is subject to, the pressure of liquid is introduced into the positive pressure of sensor by air guide stainless steel
Chamber, then the atmospheric pressure Po on liquid level is connected with the negative pressure cavity of sensor, with the Po at the offset sensor back side, measure sensor
Pressure is：ρ .g.H, by measuring pressure P, available liquid level depth, it follows that the basic premise that routine techniques is realized is
Medium is liquid, therefore can not compensate for pressure-type applied to semisolid or all solid state extremely frigid zones hydrographic survey, the present invention
Water level sensor can not obtain the defect of water level value under water surface ice condition, while can also monitor frost layer depth, be water
Literary geologic survey provides critical data；Using multiple mutually isolated high thermal sensor cells that resist cold, especially preferably
Pt1000, its mechanical performance is unaffected at low temperature, but the Thermo-sensitive of its resistance value is high, as the variation of temperature has very
Apparent change in resistance, present invention utilizes the two characteristics, and the device of the invention is enabled to be deep into extremely cold area progress
The problems such as failure of ferrous metals low temperature brittleness is limited with other sensing modes by temperature range will not occur for measurement；Using filter
The Technology Precision of wave+signal conversion+WeChat ID processing, by having filtered out interference signal, and by resistance bring
Voltage analog signal change transitions are accurate analyzable digital signal, and by STM32, to treated, digital signal is divided
Analysis processing, can obtain the measurement numerical value much higher than existing temperature measurement precision, and can get valuable water ice state letter
Breath.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
In figure：Resist cold high thermal sensor cell 1, multi-core cable wire 2, relay 3, bridge circuit 4, filter circuit 5, A/D
Circuit 6, power unit 7, STM32 core processing unit 8, storage unit 9.
Specific embodiment
Embodiment 1
Water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer as shown in Figure 1, by multiple mutually isolated
The high thermal sensor cell 1 that resists cold that is manufactured by silicon substrate temperature-sensitive element is passed by multi-core cable wire 2 and above-mentioned multiple high temperature-sensitives that resist cold
Sense unit 1 matches the relay 3 of connection, the control unit of control relay 3 and power channel, bridge circuit 4, filtered electrical one by one
Road 5, A/D circuit 6, microprocessor circuit, power unit 7 form；Wherein power unit 7 by battery, three-terminal regulator chip and
Connect the power management module composition of three-terminal regulator chip；The microprocessor circuit includes STM32 core processing unit 8, institute
Core processing unit STM32 is stated at least provided with four interfaces, wherein first interface is connect with control unit, second interface and letter
6 output end of A/D circuit connection in number processing circuit, third interface connect with power management module, the 4th interface with store singly
Member 9 connects.
Embodiment 2
It is whole same as Example 1, it is in place of difference：
The high thermal sensor cell 1 that resists cold is platinum resistance thermometer sensor, Pt1000.
The present embodiment is compared to embodiment 1, since Pt1000 mechanical performance is substantially better than silicon substrate temperature-sensitive element, uses
Longer life expectancy, more resistant to hit and vibration.
Embodiment 3
It is whole same as Example 1, it is in place of difference：
Battery voltage rating is limited to be made of as 12V, three-terminal regulator chip TPS5430 chip and SPX1084 chip, is electric
TPS3700 chip is provided in source control module.
The present embodiment is compared to embodiment 1, and due to specifying the element of power supply and corresponding control device, obtaining can basis
Practical selection 12V, 9V, 5V, 3.3V output voltage is needed, the present invention is set can because of ground and preferably adjusts, keep measurement result more accurate.
Embodiment 4
It is whole same as Example 1, it is in place of difference：
Keyboard and display device are also connected on STM32 core processing unit 8.
For the present embodiment compared to embodiment 1, data result is more intuitive, is also more convenient to operate and uses.
The operation principle of the present invention is that：It is drilled first by manual type, substantially confines frost zone and water level depth, according to
Concrete condition makes sensor, and number and spacing including encapsulating the high thermal sensor cell 1 that resists cold place a sensor at needs
In the depth bounds of monitoring, then sensor is connect with monitoring instrument, the sampling time of monitoring instrument is set, the sampling time is worked as
Then, microcontroller circuit controls relay 3, opens relay 3 all the way, selects the high thermal sensor cell that resists cold all the way
1 measures, the voltage value that is converted to of high thermal sensor cell 1 by bridge circuit 4 that resists cold being strobed at this time, then
It send by filter circuit 5 to A/D circuit 6 and voltage value is converted into digital signal, STM32 core processing unit 8 is to digital signal
It is handled, temperature value is calculated, and store；Microcontroller circuit continues relay 3 all the way under selection, circuits sequentially, directly
To the last one high thermal sensor cell 1 that resists cold is reached, one time monitoring cycle terminates, and waits acquisition time next time.The monitoring
Method is by the profiling temperatures of quasi-distributed mode certain depth in extremely frigid zones monitoring drilling, since temperature exists
The variation of the coefficient of conductivity in different medium difference and water body phase under temperature control, can pass through the temperature of different depth
Degree variation determines groundwater level, temperature judging water body interface, with this.
The foregoing description of the disclosed embodiments, only for can be realized professional and technical personnel in the field or use this
Invention.Various modifications to these embodiments will be readily apparent to those skilled in the art, institute herein
The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore,
The present invention will not be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty
The consistent widest scope of point.
Claims (6)
1. water water level and water temperature detection device, are made of, monitor sensor and monitoring instrument on a kind of extremely frigid zones frozen soil layer
Device includes channel switching circuit, signal processing circuit, microprocessor circuit, storage unit (9) and power unit (7), feature
It is：
Sensor is made of multiple mutually isolated high thermal sensor cells (1) that resist cold；It is equipped in the channel switching circuit logical
Cross multi-core cable wire (2) and above-mentioned multiple high thermal sensor cells (1) that resist cold match one by one connection relay (3) and control after
The control unit of electric appliance (3) and power channel；Be provided in the signal processing circuit bridge circuit (4), filter circuit (5),
A/D circuit (6)；Power unit (7) is by battery, three-terminal regulator chip and the power management module group for connecting three-terminal regulator chip
At；The microprocessor circuit includes STM32 core processing unit (8), and the core processing unit STM32 is at least provided with four
A interface, wherein first interface is connect with control unit, A/D circuit (6) output end in second interface and signal processing circuit
Connection, third interface is connect with power management module, the 4th interface is connect with storage unit (9).
2. water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer according to claim 1, it is characterised in that：
The high thermal sensor cell (1) that resists cold is specially platinum resistance thermometer sensor, preferably Pt1000.
3. water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer according to claim 1, it is characterised in that：
Battery voltage rating is 12V.
4. water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer according to claim 3, it is characterised in that：
The three-terminal regulator chip is made of TPS5430 chip and SPX1084 chip.
5. water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer according to claim 3, it is characterised in that：
TPS3700 chip is provided in the power management module.
6. water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer according to claim 1, it is characterised in that：
Connector there are two also setting up on the STM32 core processing unit (8), is connected separately with keyboard and display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324669.XA CN108871413A (en) | 2017-05-10 | 2017-05-10 | Water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710324669.XA CN108871413A (en) | 2017-05-10 | 2017-05-10 | Water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108871413A true CN108871413A (en) | 2018-11-23 |
Family
ID=64287916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710324669.XA Pending CN108871413A (en) | 2017-05-10 | 2017-05-10 | Water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108871413A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110619109A (en) * | 2019-08-01 | 2019-12-27 | 中国林业科学研究院 | Precipitation phase state identification method in alpine region |
| CN112147303A (en) * | 2020-09-16 | 2020-12-29 | 中国地质科学院水文地质环境地质研究所 | High and cold area frozen soil layer water feeding level and temperature monitoring device |
-
2017
- 2017-05-10 CN CN201710324669.XA patent/CN108871413A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110619109A (en) * | 2019-08-01 | 2019-12-27 | 中国林业科学研究院 | Precipitation phase state identification method in alpine region |
| CN112147303A (en) * | 2020-09-16 | 2020-12-29 | 中国地质科学院水文地质环境地质研究所 | High and cold area frozen soil layer water feeding level and temperature monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101846644B (en) | Oil and gas pipeline corrosion online monitor | |
| CN104713904B (en) | The calculation method of a kind of seabed in-situ heat conductance | |
| CN104950344A (en) | Seabed heat flow long-term observation probe based on underwater robot platform | |
| CA2946611C (en) | Long-term seafloor heat flow monitoring probe based on underwater robot platform | |
| CN108871413A (en) | Water water level and water temperature detection device on a kind of extremely frigid zones frozen soil layer | |
| CN202562529U (en) | Digital measuring system for water level and temperature of geothermal well | |
| CN211205265U (en) | Constant temperature static force leveling system | |
| CN110567604A (en) | high-precision sea ice temperature chain and temperature measuring method thereof | |
| CN204738809U (en) | Permanent electron pressure meter in pit that is fit for CCS | |
| CN105372288B (en) | A kind of rate of heat flow measuring instrument and measuring method | |
| CN103674169A (en) | Method for automatically measuring pipe-free embedded type groundwater level and water level changes | |
| CN101788521B (en) | Metal corrosion condition online test method and detecting instrument thereof | |
| Deng et al. | Multi-sensors monitoring method on ice and snow parameters in upstream of Heilongjiang, the northernmost river of China | |
| CN205607365U (en) | Frozen soil depth sensor with bus driving force intensifier circuit | |
| Zaszewski et al. | A low-cost automatic system for long-term observations of soil temperature | |
| CN205562058U (en) | Temperature sensing type seawater temperature observation system | |
| CN106768458A (en) | A kind of deep water temperature measuring set | |
| Deng et al. | Design and application of high-precision temperature measuring instrument for ice cover profile of river based on the resistance residual compensation method | |
| CN209724420U (en) | High-geotemperature mine geothermal test system | |
| CN201705335U (en) | High-temperature differential well temperature test instrument | |
| CN203432709U (en) | Frozen earth temperature measuring recorder | |
| CN202494530U (en) | Temperature measuring cable | |
| JPS6371620A (en) | Measuring method for water level, snowfall height, or the like by temperature measurement | |
| Deng et al. | Design and application of the measuring system of ice sheet profile based on thermal conductivity difference of medium | |
| CN204703890U (en) | High temperature RTD well logging apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181123 |
|
| WD01 | Invention patent application deemed withdrawn after publication |