CN108007527A - A kind of differential pressure water level measurement system - Google Patents

A kind of differential pressure water level measurement system Download PDF

Info

Publication number
CN108007527A
CN108007527A CN201711183458.5A CN201711183458A CN108007527A CN 108007527 A CN108007527 A CN 108007527A CN 201711183458 A CN201711183458 A CN 201711183458A CN 108007527 A CN108007527 A CN 108007527A
Authority
CN
China
Prior art keywords
temperature
water level
measurement system
pressure
level measurement
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
Application number
CN201711183458.5A
Other languages
Chinese (zh)
Inventor
左陶强
冉晓军
刘华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Top Point S&t Co Ltd
Original Assignee
Top Point S&t Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Top Point S&t Co Ltd filed Critical Top Point S&t Co Ltd
Priority to CN201711183458.5A priority Critical patent/CN108007527A/en
Publication of CN108007527A publication Critical patent/CN108007527A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure

Abstract

The invention discloses a kind of differential pressure water level measurement system, including:Pressure sensor, tracheae, wherein, one end of tracheae is connected with pressure sensor, the tracheae madial wall has been provided at predetermined intervals multiple temperature sensors, each temperature sensor is used for the temperature value for gathering each temperature sensor corresponding position in water, and the corresponding temperature signal of the temperature value of collection is sent to central processing unit, central processing unit and by the pressure signal that each temperature signal and pressure sensor gather carries out that current level is calculated.Obviously, temperature sensor is provided at predetermined intervals in water body, so as to gather the temperature of the diverse location of water body, and then the temperature computation current level of each position of comprehensive water body, the problem of only low to water level measurement accuracy caused by the temperature acquisition of some specific location in water body is avoided, improves the accuracy of level measuring.

Description

A kind of differential pressure water level measurement system
Technical field
The present invention relates to water environment field, more particularly to a kind of differential pressure water level measurement system.
Background technology
In recent years, with the continuous exploitation of subterranean resource, many ecological environment problems is caused, therefore, are strengthened to underground The monitoring of water is extremely urgent.
Traditional groundwater monitoring is mainly calculated using pressure difference water gauge height of water level, wherein, pressure difference water gauge is adopted Sensor, which is introduced air into, with tracheae calculates height of water level by measuring the difference of the pressure of underwater pressure and water surface air, and The actual height of water level and coolant-temperature gage are closely related, the density of Water Temperature water, so as to influence actual water level measurement accuracy indirectly. Traditional height of water level measuring method is mounting temperature sensor measurement temperature and basis at pressure sensor in water-level gauge The temperature and pressure measured calculates water level.But in the actual environment, in the different depth of water, the temperature of water also it is corresponding not Together, so causing the water level precision of measurement not high using conventional water level gauge measuring method.
Therefore, how to solve the problems, such as water level measurement accuracy it is low be those skilled in the art's problem to be solved.
The content of the invention
It is an object of the invention to provide a kind of differential pressure water level measurement system, solve the problems, such as that water level measurement accuracy is low.
To achieve the above object, an embodiment of the present invention provides following technical solution:
On the one hand, an embodiment of the present invention provides a kind of differential pressure water level measurement system, including:Power-supply device, pressure sensing Device, tracheae, described tracheae one end are connected with the pressure sensor, further include:It is provided at predetermined intervals on the outside of the tracheae Multiple temperature sensors of wall, each temperature sensor are used to gather the temperature with each temperature sensor corresponding position in water Angle value, and the corresponding temperature signal of each temperature value is sent to central processing unit;
The central processing unit is used to carry out the pressure signal that each temperature signal and the pressure sensor gather Current level is calculated.
Preferably, each temperature sensor is specially One Wire thermometer.
Preferably, further include:Control circuit, the control circuit respectively with the central processing unit, the pressure sensing Device, each temperature sensor connection;
The control circuit is used to control the pressure sensor periodically to gather water middle position where the pressure sensor The temperature value of the pressure value put, the periodically collection of each temperature sensor and each temperature sensor corresponding position in water.
Preferably, further include:Memory, the memory are connected with the central processing unit.
Preferably, the power-supply device is specially the battery of 3800MAH 3.6V.
Preferably, the central processing unit includes:Signal processing circuit, the signal processing circuit are used for each temperature Degree signal is converted to temperature value corresponding with each temperature signal, the pressure signal is converted to pressure value.
Preferably, further include:Communication module, the communication module are connected with the central processing unit.
Preferably, the communication module includes:RS485 communication interfaces.
As it can be seen that a kind of differential pressure water level measurement system disclosed by the embodiments of the present invention, including:Pressure sensor, tracheae, its In, one end of tracheae is connected with pressure sensor, which has been provided at predetermined intervals multiple temperature sensors, each temperature Degree sensor is used for the temperature value for gathering each temperature sensor corresponding position in water, and by the corresponding temperature of the temperature value of collection Degree signal sends to central processing unit, central processing unit and is counted the pressure signal that each temperature signal and pressure sensor gather Calculation obtains current level.It is clear that temperature sensor is provided at predetermined intervals in water body, so as to gather the difference of water body The temperature of position, and then the temperature computation current level of each position of comprehensive water body, avoid only specific to some in water body The problem of water level measurement accuracy caused by the temperature acquisition of position is low, improves the accuracy of level measuring.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of differential pressure water level measurement system structure diagram disclosed in the first embodiment of the invention;
Fig. 2 is a kind of differential pressure water level measurement system structure diagram disclosed in second of embodiment of the invention;
Fig. 3 is a kind of differential pressure water level measurement system structure diagram disclosed in the third embodiment of the invention;
Fig. 4 is a kind of differential pressure water level measurement system structure diagram disclosed in the 4th kind of embodiment of the invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of differential pressure water level measurement system, solve the problems, such as that water level measurement accuracy is low.
Fig. 1 is referred to, Fig. 1 is a kind of differential pressure water level measurement system structural representation disclosed in the first embodiment of the invention Figure, differential pressure water level measurement system 10 include:Power-supply device 101, pressure sensor 102, tracheae 103, wherein, the one of tracheae 103 End is connected with pressure sensor 102;103 lateral wall of tracheae has been provided at predetermined intervals multiple temperature sensors 104, and each temperature passes Sensor 104 is used to gathering the temperature value with each temperature sensor 104 corresponding position in water, and by the corresponding temperature of each temperature value Degree signal is sent to central processing unit 105, wherein, central processing unit 105 is used to adopt each temperature signal and pressure sensor 102 The pressure signal of collection carries out that current level is calculated.
Specifically, in the present embodiment, the type of pressure sensor 102 does not limit.
One end of tracheae 103 is connected with pressure sensor 102, and the other end is located on horizontal plane, with introduce horizontal plane it On air detection current pressure sensor 102 position in water pressure size.Wherein, tracheae 103 is preferably perpendicular to Horizontal plane is placed uniformly to introduce outside air.In view of the portability of whole system, tracheae 103 can be plastics tracheae, when So, or other kinds of tracheae, herein and is not construed as limiting.
103 lateral wall of tracheae has been provided at predetermined intervals multiple temperature sensors 104.Wherein, predetermined space can include Following two situations, first, the vertical spacing between adjacent temperature sensor 104 is identical, second, being passed with tracheae 103 and pressure 102 junction of sensor is starting point, and the interval between adjacent temperature sensor 104 is successively decreased with arithmetic progression.Certainly, predetermined space There can be other setting means, herein and be not construed as limiting.Each temperature sensor 104 corresponds to collection and exists with each temperature sensor 104 The temperature of corresponding position in water.
Temperature sensor 104 can be PT1000, DS18B20, One Wire thermometer.Certainly, according to actual water body ring Border, temperature sensor 104 can also be other kinds of sensor, herein and be not construed as limiting.
Central processing unit 105 includes signal processing circuit, computing module, and signal processing circuit is used for each temperature sensor The pressure signal that the temperature signal and pressure sensor 102 of 104 collections gather is converted to temperature value and pressure value.Computing Module is used to each temperature value and pressure value progress computing obtaining current level, wherein, computing module can specifically divide Carried out for following two steps, the first step, computing module first obtains the pressure value of the collection of pressure sensor 102 and apart from pressure The Temperature numerical calculation that the nearest temperature sensor 104 of force snesor 102 gathers goes out thick water level, and thick water level is water level substantially; Second step, computing module obtains again to be provided at predetermined intervals in the temperature of the collection of other temperature sensors 104 of 103 lateral wall of tracheae Number of degrees value, carries out further computing with reference to the thick water level that the first step calculates and obtains accurate water level.
As it can be seen that a kind of differential pressure water level measurement system disclosed by the embodiments of the present invention, including:Pressure sensor, tracheae, its In, one end of tracheae is connected with pressure sensor, which has been provided at predetermined intervals multiple temperature sensors, each temperature Degree sensor is used for the temperature value for gathering each temperature sensor corresponding position in water, and by the corresponding temperature of the temperature value of collection Degree signal sends to central processing unit, central processing unit and is counted the pressure signal that each temperature signal and pressure sensor gather Calculation obtains current level.It is clear that temperature sensor is provided at predetermined intervals in water body, so as to gather the difference of water body The temperature of position, and then the temperature computation current level of each position of comprehensive water body, avoid only specific to some in water body The problem of water level measurement accuracy caused by the temperature acquisition of position is low, improves the accuracy of level measuring.
Based on above-described embodiment, in the present embodiment, each temperature sensor 104 is specially One Wire thermometer.
Specifically, in the present embodiment, it may not need using One Wire thermometer and powered by power-supply device 101 to it, from And realize the measurement to water temperature.
Based on above-described embodiment, in the present embodiment, surveyed when using the differential pressure water level measurement system in the embodiment of the present invention After amount completes a water level accurate measurement amount, significant change can't occur for water level in a period of time, therefore, during this period of time can be with Measurement water level is not had to temporarily.Water level is being measured again after a period of time, so as to achieve the purpose that periodic measurement.To reach this mesh , an embodiment of the present invention provides second of embodiment, refers to Fig. 2, and Fig. 2 is a kind of disclosed in second of embodiment of the invention Differential pressure water level measurement system structure diagram;Differential pressure water level measurement system 10 further includes:Control circuit 106, wherein, control circuit 106 are connected with central processing unit 105, pressure sensor 102 and each temperature sensor 104 respectively;Control circuit 106 is used to control Pressing pressure sensor 102 periodically gathers the pressure value of position, each temperature sensor 104 weeks in 102 place water of pressure sensor Phase property gathers the temperature value with each temperature sensor 104 corresponding position in water.
Specifically, in the present embodiment, after central processing unit 105 completes a level measuring, control electricity is sent a command to Road 106, control circuit 106 control temperature sensor 104 and pressure sensor 102 to stop data collection according to the instruction.When During to next collection period, central processing unit 105 sends detection instruction to control circuit 106, and control circuit 106 is according to the inspection Survey instruction control temperature sensor 104 and pressure sensor 102 carries out the collection of temperature data and pressure data.
It should be noted that the collection period in the present embodiment is configured according to actual water body environment, herein not It is construed as limiting.
As it can be seen that in the present embodiment, the periodically collection of temperature sensor and pressure sensor is controlled to work as by control circuit The temperature value and pressure value of preceding water body.So as to avoid temperature sensor and pressure sensor continuous firing, reach energy saving Purpose.
Based on above-described embodiment, in the present embodiment, in order to which temperature sensor 104 and pressure sensor 102 are gathered Data can carry out convenient storage administrative staff and checked in the later stage, please an embodiment of the present invention provides the third embodiment Referring to Fig. 3, Fig. 3 is a kind of differential pressure water level measurement system structure diagram, differential pressure water level disclosed in the third embodiment of the invention Measuring system 10 further includes:Memory 107, memory 107 are connected with central processing unit 105.
Specifically, in the present embodiment, the temperature signal that temperature sensor 104 exports is converted to temperature by central processing unit 105 Number of degrees value, transmission to memory 107 is stored after the pressure signal that pressure sensor 102 exports is converted to pressure value.
Based on above-described embodiment, in the present embodiment, power-supply device 101 is specially the battery of 3800MAH 3.6V.
Based on above-described embodiment, in the present embodiment, central processing unit 105 includes:Signal processing circuit, signal processing electricity Road by each temperature signal for being converted to temperature value corresponding with each temperature signal, pressure signal is converted to pressure value.
Based on above-described embodiment, in the present embodiment, it is contemplated that the differential pressure water level measurement system in the present embodiment will be utilized The current level measured is sent to administrative staff in time, an embodiment of the present invention provides the 4th kind of embodiment, refers to Fig. 4, Fig. 4 is a kind of differential pressure water level measurement system structure diagram disclosed in the 4th kind of embodiment of the invention, as shown in figure 4, differential pressure water Level measuring system 10 further includes:Communication module 108, communication module 108 are connected with central processing unit 105.
Specifically, in the present embodiment, after central processing unit 105 handles temperature signal and pressure signal, will To the terminal device that is sent by communication module 108 to administrator of temperature value and pressure value shown, with real-time Current level is reported to administrative staff.
Based on above-described embodiment, in the present embodiment, communication module 108 includes:RS485 communication interfaces.
It should be noted that the communication modes of the communication module 108 in the present embodiment can also be other forms, herein simultaneously It is not construed as limiting.
A kind of differential pressure water level measurement system provided herein is described in detail above.Tool used herein Body example is set forth the principle and embodiment of the application, and the explanation of above example is only intended to help to understand this Shen Method and its core concept please.It should be pointed out that for those skilled in the art, the application is not being departed from On the premise of principle, some improvement and modification can also be carried out to the application, these are improved and modification also falls into the application right It is required that protection domain in.
Each embodiment is described by the way of progressive in specification, and what each embodiment stressed is and other realities Apply the difference of example, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment Speech, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is referring to method part illustration .
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or order.Moreover, term " comprising ", "comprising" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include that A little key elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged Except also there are other identical element in the process, method, article or apparatus that includes the element.

Claims (8)

1. a kind of differential pressure water level measurement system, including:Power-supply device, pressure sensor, tracheae, described tracheae one end and the pressure Force snesor connects, it is characterised in that further includes:
Be provided at predetermined intervals in multiple temperature sensors of the tracheae lateral wall, each temperature sensor be used to gathering with The temperature value of each temperature sensor corresponding position in water, and the corresponding temperature signal of each temperature value is sent to center Processor;
The central processing unit is used to be calculated the pressure signal that each temperature signal and the pressure sensor gather Obtain current level.
2. differential pressure water level measurement system according to claim 1, it is characterised in that each temperature sensor is specially one Line thermometer.
3. differential pressure water level measurement system according to claim 1, it is characterised in that further include:Control circuit, the control Circuit is connected with the central processing unit, the pressure sensor, each temperature sensor respectively;
The control circuit is used to control the pressure sensor periodically to gather position in the water of the pressure sensor place The temperature value of the periodically collection of pressure value, each temperature sensor and each temperature sensor corresponding position in water.
4. differential pressure water level measurement system according to claim 3, it is characterised in that further include:Memory, the memory It is connected with the central processing unit.
5. differential pressure water level measurement system according to claim 1, it is characterised in that the power-supply device is specially The battery of 3800MAH 3.6V.
6. differential pressure water level measurement system according to claim 1, it is characterised in that the central processing unit includes:Signal Process circuit, the signal processing circuit are used to each temperature signal being converted to temperature corresponding with each temperature signal Numerical value, the pressure signal are converted to pressure value.
7. differential pressure water level measurement system according to claim 4, it is characterised in that further include:Communication module, the communication Module is connected with the central processing unit.
8. differential pressure water level measurement system according to claim 7, it is characterised in that the communication module includes:RS485 leads to Communication interface.
CN201711183458.5A 2017-11-23 2017-11-23 A kind of differential pressure water level measurement system Pending CN108007527A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711183458.5A CN108007527A (en) 2017-11-23 2017-11-23 A kind of differential pressure water level measurement system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711183458.5A CN108007527A (en) 2017-11-23 2017-11-23 A kind of differential pressure water level measurement system

Publications (1)

Publication Number Publication Date
CN108007527A true CN108007527A (en) 2018-05-08

Family

ID=62053352

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711183458.5A Pending CN108007527A (en) 2017-11-23 2017-11-23 A kind of differential pressure water level measurement system

Country Status (1)

Country Link
CN (1) CN108007527A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109738039A (en) * 2019-01-21 2019-05-10 常德天马电器股份有限公司 A kind of sponge city river water level acquisition system and acquisition method
US11374783B2 (en) * 2019-02-19 2022-06-28 Xcspec, Inc. Systems and methods for differential pressure determination and control

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1837576A (en) * 2006-04-29 2006-09-27 北京华油先锋石油装备技术有限公司 Storage type downhole pressure and temperature continuous-measuring apparatus
CN201083513Y (en) * 2007-07-12 2008-07-09 三峡大学 Deep water level high precision sensor device
CN105509838A (en) * 2016-01-18 2016-04-20 广东伟创科技开发有限公司 Throw-in type sensor
CN205300703U (en) * 2015-12-30 2016-06-08 武汉立方科技有限公司 Take air pressure compensation integral type ground water level meter
CN206311166U (en) * 2016-08-03 2017-07-07 山西恒瑞金墒科技有限公司 Absolute pressure formula liquid level gauge
CN107091667A (en) * 2017-05-08 2017-08-25 哈尔滨工大兴科电子科技有限公司 The liquid level detection system that a kind of use temperature sensor is realized

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1837576A (en) * 2006-04-29 2006-09-27 北京华油先锋石油装备技术有限公司 Storage type downhole pressure and temperature continuous-measuring apparatus
CN201083513Y (en) * 2007-07-12 2008-07-09 三峡大学 Deep water level high precision sensor device
CN205300703U (en) * 2015-12-30 2016-06-08 武汉立方科技有限公司 Take air pressure compensation integral type ground water level meter
CN105509838A (en) * 2016-01-18 2016-04-20 广东伟创科技开发有限公司 Throw-in type sensor
CN206311166U (en) * 2016-08-03 2017-07-07 山西恒瑞金墒科技有限公司 Absolute pressure formula liquid level gauge
CN107091667A (en) * 2017-05-08 2017-08-25 哈尔滨工大兴科电子科技有限公司 The liquid level detection system that a kind of use temperature sensor is realized

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109738039A (en) * 2019-01-21 2019-05-10 常德天马电器股份有限公司 A kind of sponge city river water level acquisition system and acquisition method
US11374783B2 (en) * 2019-02-19 2022-06-28 Xcspec, Inc. Systems and methods for differential pressure determination and control

Similar Documents

Publication Publication Date Title
CN102607498B (en) Frozen soil and dry soil layer measuring transducer
CN105887942B (en) A kind of automated intelligent pit inclinometer method
CN203759859U (en) Deep foundation pit deformation wireless test device and deep foundation pit deformation test system
CN105091840A (en) Guide-wheel-free inclinometer for measuring deep displacement of landslide and installation method thereof
CN102645288B (en) Fast press-in type real-time deep underground water temperature monitoring device
CN104965477A (en) Tunnel automatic monitoring system and method
CN204255517U (en) Wireless temperature Real-time Collection equipment
CN107153038B (en) Rapid formation permeability coefficient measuring probe and using method thereof
CN107817207B (en) Method for calculating foundation pit permeability coefficient and automatic monitoring device thereof
CN202511782U (en) Frozen soil and dry soil layer measurement sensor
CN208780164U (en) Full depth array inclinometer
CN103837196A (en) Tailings pond dry beach parameter monitoring system and method
CN108106595A (en) A kind of monitoring warning device of slope deforming
CN108007527A (en) A kind of differential pressure water level measurement system
CN202562529U (en) Digital measuring system for water level and temperature of geothermal well
CN202693257U (en) Field multi-point soil wind erosion monitoring instrument
CN108716906B (en) Fixed intelligent inclinometer, system and implementation method
CN112900504B (en) Method and system for identifying water leakage of waterproof curtain of foundation pit
CN211205265U (en) Constant temperature static force leveling system
CN102928043B (en) Material level detection method based on linear array temperature sensor
CN203163772U (en) Rice field soil moisture content real-time monitoring system
CN104952226A (en) Wireless testing method, testing device and testing system for deformation of deep pit
CN208155998U (en) A kind of scene is tested pits submerging test monitoring system
CN108692773B (en) Tentacle type sensing flow meter based on artificial intelligence technology and flow measuring method thereof
CN208736511U (en) A kind of hydraulic engineering water level monitoring device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180508