CN205977200U - Water level detector - Google Patents
Water level detector Download PDFInfo
- Publication number
- CN205977200U CN205977200U CN201620755761.2U CN201620755761U CN205977200U CN 205977200 U CN205977200 U CN 205977200U CN 201620755761 U CN201620755761 U CN 201620755761U CN 205977200 U CN205977200 U CN 205977200U
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- China
- Prior art keywords
- sensor
- level gauge
- unit
- liquid level
- control system
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- Expired - Fee Related
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model provides a water level detector, includes level gauge acquisition unit, communication cable unit and ground storage and human -computer interaction unit, level gauge acquisition unit passes through communication cable unit and ground storage and human -computer interaction unit connection, the communication cable unit includes the cable, level gauge acquisition unit includes level gauge casing, sensor, biography impress water hole, control system and control system installation skeleton, sensor and control system setting are inside the level gauge casing, the biography is impressed water hole and sensor and is located level gauge acquisition unit's lower extreme, sensor settings is in the impress top in water hole of biography, this geothermal well water level monitor have the height of integrating, easily networking, low cost, high temperature resistant, anticorrosive, automatic to carry out big air pressure compensation, temperature automatic compensation, high, the long -term job stabilization of measurement accuracy reliable.
Description
Technical field
The utility model belongs to hydrographic data monitoring technical field and in particular to one kind can be used for underground heat steadily in the long term
The water-level instrumentation of well.
Background technology
With the continuous development of geothermal exploitation technology, reserves are stable, pollution-free, reusable edible due to having for geothermal energy resources
The advantages of, not only avoid the environmental pollution that coal burning brings, with respect to the heating of traditional coal, there is lower operation simultaneously
Cost, has significant economic benefit and environmental benefit.But during Geothermal Exploitation and Utilization, due to underground in underground heat well water
The dissolved matter content of rock stratum is higher, leads to it to have the characteristics that salinity height, complicated component, corrosivity are strong, and traditional water level
Monitor leads to device blocking that the reliability of water-level instrumentation is reduced because geothermal well water salinity is high.
Simultaneously traditional water-level instrumentation corrosion resistance is poor, and the life-span is shorter, and the fault of water level monitoring directly contributes latent
The accident that water pump burns occurs.In order to improve the efficiency of geothermal exploitation, promote the stable operation of heating system, reliable geothermal well
Water-level instrumentation is particularly important.
Content of the invention
The purpose of this utility model is to provide a kind of water-level instrumentation of the high geothermal well of reliability, solves prior art
The middle fault because of water level monitoring directly contributes the problem of the accident generation that immersible pump burns.
Technical solution of the present utility model is：
A kind of water level detection gauge, including the storage of liquid level gauge collecting unit, communication cable unit and ground and man-machine interaction list
Unit；Above-mentioned liquid level gauge collecting unit is passed through communication cable unit and is connected with ground storage and man-machine interaction unit；Above-mentioned connection
Cable unit includes cable；Above-mentioned liquid level gauge collecting unit include liquid level gauge housing, sensor, pressure transmission blasthole, control system and
Control system mounting framework；The sensor and set-up of control system are in liquid level gauge enclosure interior；
It is particular in that：
Above-mentioned liquid level gauge collecting unit also includes cleaning apparatus for self, and the bottom of above-mentioned liquid level gauge housing sets gradually to top
There are above-mentioned cleaning apparatus for self, pressure transmission blasthole, sensor and control system, the pressure transmission face surrounding of the sensor and liquid level gauge
The inner surface sealing setting of housing；Above-mentioned cleaning apparatus for self is used for cleaning the pressure transmission face of pressure transmission blasthole and sensor.
Above-mentioned cleaning apparatus for self, liquid level gauge housing and control system mounting framework adopt titanium alloy material or other are high temperature resistant
Corrosion resistant material, it is to avoid the high salinity of underground heat water environment, the highly corrosive erosion to housing, not only extends making of instrument
With the life-span, and improve the reliability of a whole set of geothermal well development system.
The sensor includes pressure sensor and temperature sensor, and above-mentioned pressure sensor passes for ceramic capacitor-type pressure
Sensor.
Above-mentioned cable is fluorubber or other high temperature-resistant cables, and built-in steel wire tensile property is good, it is to avoid cable is due to itself
Tensioning or deadweight damage.
Above-mentioned cleaning apparatus for self is motor and hairbrush, and hairbrush brush is contacted with the pressure transmission face of pressure transmission blasthole and sensor,
Motor belt motor electric brush rotates, and cleans pressure transmission blasthole, prevent fouling and clogging while protection cleaning pressure transmission face.
Above-mentioned control system includes the control chip of integrated ADC, above-mentioned control chip built-in temperature, pressure two dimension scale
Table, high-precision ADC and graduation apparatus temperature-compensating ensure that the accuracy of measurement result.
For buried depth, water temperature under monitor in real time geothermal well, the storage of above-mentioned ground and man-machine interaction unit include wireless telecommunications
Unit, connects the system to geothermal well informationization monitor supervision platform.
Above-mentioned liquid level gauge collecting unit is cylindrical structural, and the bottom of cylindrical structural is pressure transmission blasthole, enters in pressure transmission
The top in water hole is provided with ceramic capacitive pressure sensor and temperature sensor, above-mentioned liquid level gauge collecting unit and communication cable
Unit junction uses six core connectors.Perpendicular attitude is kept to measure, to obtain highest measurement precision.
In the storage of above-mentioned ground and man-machine interaction unit, setting high accuracy atmosphere pressure sensor, completes the real-time ripple of atmospheric pressure
Dynamic compensation.
Compared with prior art, the utility model has the advantage that and beneficial effect：
1st, liquid level gauge collecting unit has automatically cleaning module, it is to avoid the fouling that brings as underground heat well water high salinity and stifled
Plug；Improve the reliability of water-level instrumentation；
2nd, employ the ceramic capacitive pressure sensor of corrosion-and high-temp-resistant, liquid level gauge unit housings material adopts titanium to close
Gold or other exotic materials, titanium alloy is a kind of preferable marine metal material, resisting corrosion of chlorine ion ability strong it is thus possible to
Avoid high salinity as underground heat water environment, the erosion to housing for the highly corrosive, not only extend the service life of instrument, and
Improve the reliability of a whole set of geothermal well development system；
3rd, liquid level gauge collecting unit uses high-precision ADC digital control chip, and built-in temperature, pressure two dimension scale
Table, high-precision ADC and graduation apparatus temperature-compensating ensure that the accuracy of measurement result；
4th, the storage of described ground and man-machine interaction unit built-in high accuracy atmosphere pressure sensor, complete the real-time ripple of atmospheric pressure
Dynamic compensation；Compare using wireway gauge pressure type sensor liquid level gauge, be inherently eliminated geothermal well wellhead temperature rapid
Drop brought wireway condensation and dewfall clogging, and greatly reduce system using the communication cable of no wireway
This；
5th, stored by described ground and man-machine interaction unit wireless transport module, can connect the system to geothermal well letter
Breathization monitor supervision platform, buried depth, water temperature under real-time monitoring geothermal well, be automatic controlled submersible pump start and stop, protection immersible pump can
Adopt displacement by work, scientific and reasonable guidance, there is provided important foundation.
Brief description
Fig. 1 is geothermal well water-level instrumentation overall structure block diagram of the present utility model；
Fig. 2 is the structural representation of liquid level gauge collecting unit；
Fig. 3 is communications cable cellular construction schematic diagram；
Fig. 4,5 for ground storage and man-machine interaction unit instrument mechanical construction drawing；
In figure reference is：1- cleaning apparatus for self；2- sensor；3- control system；4- six core connector female；5- is controlled
System mounting framework processed；6- liquid level gauge housing；7- pressure transmission blasthole；8- cable six core male；9- cable connector seal cap；10-
Fluorubber cable；11- Waterproof connector of cable；12- key panel；13- liquid crystal panel；14- wireless transmission unit；15- battery case；
16- main control board.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail：
As shown in figure 1, the utility model discloses a kind of water-level instrumentation for geothermal well, gathering single including liquid level gauge
Unit, communication cable unit, ground storage and man-machine interaction unit three parts, liquid level gauge collecting unit passes through communication cable unit
Connect with ground storage and man-machine interaction unit；Ground storage and man-machine interaction unit be used for realizing solid-state storage, man-machine interaction,
Control liquid level gauge Real-time Collection, wireless transmission function；Communication cable unit is four core fire resistant cables, is responsible for transmission collection signal
Power with for liquid level gauge collecting unit；These three unit each section are separate, be connected with each other simultaneously again and use cooperatively.
Liquid level gauge collecting unit shown in Fig. 2 comprises：Liquid level gauge housing 6, the automatically cleaning dress arranging along bottom to top successively
Put 1, pressure transmission blasthole 7, sensor 2, control system 3 and six core connector females 4.Pressure transmission blasthole is in liquid level gauge housing 6
On the blasthole opened；Sensor 2 includes ceramic capacitive pressure sensor and temperature sensor；The pressure transmission face of sensor 2 is passed through
Pressure transmission blasthole 7 is detecting hydraulic pressure and water temperature；
Liquid level gauge collecting unit bottom is cleaning apparatus for self 1, and while protection sensor 2 pressure transmission face, motor belt motor electric brush is clear
Clean pressure transmission face and pressure transmission hole, prevent GEOTHERMAL WATER fouling and clogging；Control system 3 is screwed in control system mounting framework 5
On, six core connector females 4 are arranged on top, liquid level gauge housing 6 realize liquid level gauge Global Macros and with each junction
Sealing, all using viton seal ring at all sealings.
Automatically cleaning module 1, control system mounting framework 5 and liquid level gauge housing 6 all adopt the strong titanium alloy material of corrosion resistance
Matter.All using two fluororubber O-type rings at sealing, double sealing is to improve sealing reliability.
Control system 3 includes signal conditioning circuit, 24bit ADC, RS485 communication module and power management module.
The output end of ceramic capacitive pressure sensor and temperature sensor is connected with the input of signal conditioning circuit, letter
The output end of number modulate circuit and RS485 communication module are connected with 24bit ADC, the output end of power management module and from
Cleaning device, 24bit ADC and signal conditioning circuit connect.
Needed for liquid level gauge collecting unit, power supply obtains from communication cable unit, and power management module produces ADC, signal
Power supply needed for modulate circuit and sensor parts, RS485 communication module is responsible for receiving ground storage and man-machine interaction unit is sent out
The request acquisition sent, after the ADC collection of liquid level gauge collecting unit completes, carries out graduation apparatus temperature compensation, will gather number
Sent to ground storage and man-machine interaction unit by communication cable unit according to by certain protocol format.
Preferably this liquid level gauge collecting unit adopts cylindrical structural, and bottom is pressure transmission blasthole, in pressure transmission blasthole
Top is provided with ceramic capacitive pressure sensor and temperature sensor, and communication cable unit junction is patched using six cores
Part, is communicated and is obtained power supply supply for connection cable.
As shown in figure 3, communication cable unit is by fluorubber cable 10, cable connector seal cap 9 and 8 groups of cable six core male
Become；The present embodiment uses the quad cable of fluorubber steel wire, and cable six core male 8 is enclosed in cable connector seal cap 9,
Sealing is compressed using taper viton seal ring between the quad cable of fluorubber steel wire and cable connector seal cap 9；Cable
Joint sealing cap 9 passes through the sealing of two pass fluororubber O-type sealing ring with the top of liquid level gauge housing 6.
As shown in figure 1, ground storage and man-machine interaction unit include：RS485 communication module, power management module, numeral
Signal processing unit, human-computer interaction module (including button and liquid crystal), solid-state storage module, atmospheric pressure acquisition module, GPRS are no
Line transport module.
Wherein RS485 communication module, human-computer interaction module and solid-state storage module connect with digital signal processing unit respectively
Connect, the output end of atmospheric pressure acquisition module and digital signal processing unit connect, and the output end of power management module is believed with numeral
The input of the input of number processing unit and GPRS wireless transport module connects.
As shown in Figure 4 and Figure 5, ground storage and the front plate of man-machine interaction unit are key panel 12, liquid crystal panel 13,
User is facilitated to carry out parameter setting, liquid crystal panel can show the buried depth of measurement, water temperature, atmospheric value simultaneously；Communication cable can be from
Waterproof connector of cable 11 passes through and enters ground storage and the enclosure interior of man-machine interaction unit, and the built-in sealing of this joint
Circle, waterproof after compression；Ground storage and the battery case 15 of man-machine interaction unit, for placing 8 No. 1 alkaline batteries of section, for whole
System power supply；GPRS wireless transmission unit 14, for wireless receiving and transmission gathered data, real-time interconnection；Main control board 16
For controlling man-machine interaction unit, atmospheric pressure acquisition module, solid-state storage module, power management module, it is the control of whole system
Maincenter processed.
Operation principle of the present utility model is：
Liquid level gauge collecting unit measures the pressure summation of water column and atmospheric pressure, by the signal within liquid level gauge collecting unit
Nurse one's health after being converted to data signal, carry out graduation apparatus two-dimension temperature pressure compensation with A/D module, through described communication cable unit
Transmit to ground storage and man-machine interaction unit, the storage of described ground and man-machine interaction unit complete ground environment atmosphere measuring
After compensate and calculate, obtain geothermal well depth to water, and be shown in the liquid crystal of the storage of described ground and man-machine interaction unit
On screen.
Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned embodiment, also
Including by the formed technical scheme of above technical characteristic any combination.It should be pointed out that the ordinary skill for the art
For personnel, on the premise of without departing from the utility model principle, some improvements and modifications can also be made, these improve and moisten
Decorations are also considered as protection domain of the present utility model.
Claims (9)
1. a kind of water level detection gauge, including the storage of liquid level gauge collecting unit, communication cable unit and ground and man-machine interaction unit；
Described liquid level gauge collecting unit is passed through communication cable unit and is connected with ground storage and man-machine interaction unit；Described communication cable list
Unit includes cable；Described liquid level gauge collecting unit includes liquid level gauge housing, sensor, pressure transmission blasthole, control system and control
System mounting framework；Described sensor and set-up of control system are in liquid level gauge enclosure interior；
It is characterized in that：
Described liquid level gauge collecting unit also includes cleaning apparatus for self, and the bottom of described liquid level gauge housing sets gradually to top
Cleaning apparatus for self, pressure transmission blasthole, sensor and the control system stated, the pressure transmission face surrounding of described sensor and liquid level gauge housing
Inner surface sealing setting；Described cleaning apparatus for self is used for cleaning the pressure transmission face of pressure transmission blasthole and sensor.
2. water level detection gauge according to claim 1 it is characterised in that：Described cleaning apparatus for self, liquid level gauge housing and control
System mounting framework processed adopts titanium alloy material.
3. water level detection gauge according to claim 1 it is characterised in that：Described sensor includes pressure sensor and temperature
Sensor, described pressure sensor is ceramic capacitive pressure sensor.
4. the water level detection gauge according to claim 1 or 2 or 3 it is characterised in that：Described cable is the high temperature resistant electricity of fluorubber
Cable.
5. the water level detection gauge according to claim 1 or 2 or 3 it is characterised in that：Described cleaning apparatus for self is motor and hair
Brush, hairbrush brush is contacted with the pressure transmission face of pressure transmission blasthole and sensor, and motor belt motor electric brush rotates.
6. the water level detection gauge according to claim 1 or 2 or 3 it is characterised in that：Described control system includes integrated ADC
Control chip, described control chip built-in temperature, pressure two dimension graduation apparatus.
7. the water level detection gauge according to claim 1 or 2 or 3 it is characterised in that：The storage of described ground and man-machine interaction list
Unit includes radio communication unit.
8. the water level detection gauge according to claim 1 or 2 or 3 it is characterised in that：Described liquid level gauge collecting unit is using circle
Column construction, the bottom of cylindrical structural is pressure transmission blasthole, is provided with ceramic capacitor-type pressure above pressure transmission blasthole
Sensor and temperature sensor, described liquid level gauge collecting unit and communication cable unit junction use six core connectors.
9. the water level detection gauge according to claim 1 or 2 or 3 it is characterised in that：The storage of described ground and man-machine interaction list
Setting high accuracy atmosphere pressure sensor in unit, the real-time fluctuations completing atmospheric pressure compensate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620755761.2U CN205977200U (en) | 2016-07-18 | 2016-07-18 | Water level detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620755761.2U CN205977200U (en) | 2016-07-18 | 2016-07-18 | Water level detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977200U true CN205977200U (en) | 2017-02-22 |
Family
ID=58025049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620755761.2U Expired - Fee Related CN205977200U (en) | 2016-07-18 | 2016-07-18 | Water level detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205977200U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306970A (en) * | 2019-06-26 | 2019-10-08 | 中石化石油工程技术服务有限公司 | A kind of horizontal wellbore logging male connector assembly |
-
2016
- 2016-07-18 CN CN201620755761.2U patent/CN205977200U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306970A (en) * | 2019-06-26 | 2019-10-08 | 中石化石油工程技术服务有限公司 | A kind of horizontal wellbore logging male connector assembly |
| CN110306970B (en) * | 2019-06-26 | 2024-01-30 | 中石化石油工程技术服务有限公司 | Well logging male head assembly of horizontal well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170222 Termination date: 20190718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |