CN205955726U - A high temperature high accuracy fluviograph for geothermal well monitoring system - Google Patents
A high temperature high accuracy fluviograph for geothermal well monitoring system Download PDFInfo
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- CN205955726U CN205955726U CN201620977370.5U CN201620977370U CN205955726U CN 205955726 U CN205955726 U CN 205955726U CN 201620977370 U CN201620977370 U CN 201620977370U CN 205955726 U CN205955726 U CN 205955726U
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- electric capacity
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Abstract
The utility model provides a high temperature high accuracy fluviograph for geothermal well monitoring system, include: pressure sensor, AD acquisition circuit, master control circuit, supply circuit, pressure sensor's output is connected AD acquisition circuit's input, AD acquisition circuit's output is connected master control circuit, supply circuit respectively with pressure sensor AD acquisition circuit master control circuit's power end is connected, pressure sensor AD acquisition circuit master control circuit supply circuit all adopts high temperature resistant components and parts. The utility model discloses a high accuracy high sensitivity's pressure sensor gathers the geothermal well, and signal after the collection enlargies and filtering through AD acquisition circuit, carries out filtering to small signal, ensures the precision.
Description
Technical field
This utility model is related to geothermal well technical field, high-precision particularly to a kind of high temperature for geothermal well monitoring system
Degree water-level gauge.
Background technology
Geothermal well, primarily to developing geothermal energy resources, provides heating, hot spring bathing, hydrotherapy health preserving and some industry
Application etc., shows good economic benefit, and exploitation scale, participation enterprise and dynamics are increasing.For monitor in real time water level
Change, rationally utilizes geothermal energy resources, needs every mouthful of underground heat Well Water Level, temperature, flow, pressure etc. are monitored.
The water-level gauge of commercial type at present《Meet SL 426-2008 water resource monitoring device fundamental technical specifications》,
Elevated operating temperature is -25 DEG C to 85 DEG C, for general hot well, can meet requirement, but some high-temperature-hot-water wells,
Wellhead temperature can reach 100 DEG C about, and common water-level gauge is difficult to meet the cruel operating mode soaked in the hot water for a long time.
The water-level gauge maximum range of commercial type typically at 200 meters about, up to more than 300 meters, this water-level gauge
It is difficult to meet high-precision requirement in so big range ability, typically 0.5% about, reduced error is 1.5 meters, to some
Under conditions of measurement is strict, error is excessive.
China Patent Publication No. is a kind of underground heat Well Water Level-temperature digital measuring system of CN 202562529 U, and this is real
Its temperature capacity of water level measurement system with new patent is poor, is difficult to meet and soaks in the hot water for a long time, and error is excessive.
Utility model content
The purpose of this utility model is intended at least solve one of described technological deficiency.
For this reason, the purpose of this utility model is to propose a kind of high temperature high precision water level for geothermal well monitoring system
Meter, it is high temperature resistant and error is little.
To achieve these goals, this utility model provides a kind of high temperature high precision water level for geothermal well monitoring system
Meter, including pressure transducer, AD Acquisition Circuit, governor circuit, power supply circuits；
The outfan of described pressure transducer connects the input of described AD Acquisition Circuit, the output of described AD Acquisition Circuit
End connects described governor circuit, and described power supply circuits are electric with described pressure transducer, described AD Acquisition Circuit, described master control respectively
The power end on road connects；
Described pressure transducer, described AD Acquisition Circuit, described governor circuit, described power supply circuits are all using high temperature resistant unit
Device.
Further, described AD Acquisition Circuit includes AD analog-digital converter, clock module, amplification module, filtration module, institute
State AD analog-digital converter to be connected with clock module, amplification module, filtration module respectively.
Further, described governor circuit includes main control chip, the first electric capacity, the second electric capacity, the 3rd electric capacity, the first electricity
Resistance, the power supply of described main control chip terminates one end of the first electric capacity and all meets voltage+3.5V, and its DC voltage input end connects second
One end of electric capacity, its reference voltage input connects one end of the 3rd electric capacity, one end of its main frame input termination first resistor, described
First resistor, described first electric capacity, described second electric capacity, the other end of the 3rd electric capacity are all grounded, the signal of described main control chip
The outfan of input termination AD Acquisition Circuit.
Further, described power supply circuits include power supply chip, the defeated input interface of power supply, the second to the 5th resistance, the 4th
To the 7th electric capacity, the output of the defeated input interface of described power supply terminates the input of power supply chip, one end of the 4th electric capacity, its ground connection
End ground connection, its data receiver terminates one end of second resistance, and it controls the termination control output end of power supply chip, 3rd resistor
One end, the other end of described 4th electric capacity, the other end of second resistance, the other end of 3rd resistor and be all grounded, described power supply
Output termination one end of the 4th resistance of chip, one end of the 5th electric capacity, one end of the 6th electric capacity and all connect+3.5V voltage, its
Adjust port and connect the other end of the 4th resistance, one end of the 5th resistance, its reference voltage terminates one end of the 7th electric capacity, described the
The other end of four resistance, the other end of the 5th resistance, the other end of the 5th electric capacity, the other end of the 6th electric capacity, the 7th electric capacity
The other end is all grounded.
Further, described governor circuit packs the data to fixing protocol format and is sent to geothermal well monitoring system.
This utility model adopts pressure transducer to detect the water level of geothermal well, and the data transfer monitoring is gathered to AD
Circuit, is amplified and is filtered by AD Acquisition Circuit, and the analogue signal collecting is changed into digital signal, passes to master control electricity
Road is processed, and the data after processing is packaged into fixing protocol format and is sent to geothermal well monitoring system by governor circuit.
Pressure transducer in water-level gauge of the present utility model, AD Acquisition Circuit, governor circuit, power supply circuits are all using resistance to
High temperature components and parts, greatly improve water-level gauge heat-resisting ability of the present utility model, can soak in the hot water for a long time so that being somebody's turn to do
Water-level gauge can work under harsh job requirement it is ensured that to meet precision under operational temperature conditions up to standard.
According to the amplification module in this utility model AD Acquisition Circuit and filtration module, the letter that pressure transducer is collected
Number it is amplified and Filtering Processing, greatly improve the overall acquisition precision of water-level gauge.
The aspect that this utility model adds and advantage will be set forth in part in the description, partly will be from explained below
In become obvious, or recognized by practice of the present utility model.
Brief description
Above-mentioned and/or additional aspect of the present utility model and advantage will from reference to the description to embodiment for the accompanying drawings below
Become obvious and easy to understand, wherein：
Fig. 1 is structured flowchart of the present utility model；
Fig. 2 is the fundamental diagram of AD Acquisition Circuit in this utility model；
Fig. 3 is the fundamental diagram of governor circuit in this utility model；
Fig. 4 is the fundamental diagram of power supply circuits in this utility model.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of described embodiment is shown in the drawings, wherein ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Below by ginseng
The embodiment examining Description of Drawings is exemplary it is intended to be used for explaining this utility model, and it is not intended that to this utility model
Restriction.
This utility model provides a kind of high temperature high precision water-level gauge for geothermal well monitoring system, shown in refer to the attached drawing 1,
Including：Pressure transducer 1, AD Acquisition Circuit 4, governor circuit 3, power supply circuits 2；
The outfan of pressure transducer 1 connects the input of AD Acquisition Circuit 4, and the outfan of AD Acquisition Circuit 4 connects master
Control circuit 3, power supply circuits 2 are connected with the power end of pressure transducer 1, AD Acquisition Circuit 4, governor circuit 3 respectively；Governor circuit
1 packs the data to fixing protocol format is sent to geothermal well monitoring system.
Pressure transducer 1, AD Acquisition Circuit 4, governor circuit 3, power supply circuits 2 are all using high temperature resistant components and parts.
Wherein, AD Acquisition Circuit includes AD analog-digital converter U4, clock module, amplification module, filtration module, and AD modulus turns
Parallel operation is connected with clock module, amplification module, filtration module respectively, and accompanying drawing 2 is the circuit theory diagrams of AD Acquisition Circuit.
In accompanying drawing 3, governor circuit include main control chip U3, the first electric capacity C15, the second electric capacity C17, the 3rd electric capacity C18,
The power supply of one resistance R6, main control chip U3 terminates one end of the first electric capacity C15 and all meets voltage+3.5V, and its DC voltage inputs
Terminate one end of the second electric capacity C17, its reference voltage input connects one end of the 3rd electric capacity C18, its main frame inputs termination first
One end of resistance R6, first resistor R6, the first electric capacity C15, the second electric capacity C17, the other end of the 3rd electric capacity C18 are all grounded, main
The signal input of control chip U3 terminates the outfan of AD Acquisition Circuit.
In accompanying drawing 4, power supply circuits include power supply chip U1, the defeated input interface of power supply, the second to the 5th resistance (R7, R4,
R1, R3), the 4th to the 7th electric capacity (C2, C3, C4, C1), the output of the defeated input interface of power supply terminates the input of power supply chip U1
End, one end of the 4th electric capacity C2, its earth terminal is grounded, and its data receiver terminates one end of second resistance R7, and it controls termination to supply
The control output end of electrical chip U1, one end of 3rd resistor R4, the other end of the 4th electric capacity C2, the other end of second resistance R7,
The other end of 3rd resistor R4 and being all grounded, one end of output termination the 4th resistance R1 of power supply chip U1, the 5th electric capacity C3
One end, one end of the 6th electric capacity C4 and all connect+3.5V voltage, it adjusts port and connects the other end of the 4th resistance R1, the 5th resistance
One end of R3, its reference voltage terminate the 7th electric capacity C1 one end, the other end of the 4th resistance R1, the 5th resistance R3 another
End, the other end of the 5th electric capacity C3, the other end of the 6th electric capacity C4, the other end of the 7th electric capacity C1 are all grounded.
Operation principle：Pressure transducer detects the water level of geothermal well, and by the data transfer monitoring to AD Acquisition Circuit,
It is amplified and is filtered by AD Acquisition Circuit, and the analogue signal collecting is changed into digital signal, pass at governor circuit
Reason, the data after processing is packaged into fixing protocol format and is sent to geothermal well monitoring system by governor circuit.
Pressure transducer in water-level gauge of the present utility model, AD Acquisition Circuit, governor circuit, power supply circuits are all using resistance to
High temperature components and parts, greatly improve water-level gauge heat-resisting ability of the present utility model, can soak in the hot water for a long time so that being somebody's turn to do
Water-level gauge can work under harsh job requirement it is ensured that to meet precision under operational temperature conditions up to standard.
According to the amplification module in this utility model AD Acquisition Circuit and filtration module, the letter that pressure transducer is collected
Number it is amplified and Filtering Processing, greatly improve the overall acquisition precision of water-level gauge.
Although of the present utility model embodiment has been shown and described above it is to be understood that above-described embodiment is
Exemplary it is impossible to be interpreted as that those of ordinary skill in the art is without departing from this utility model to restriction of the present utility model
Principle and objective in the case of above-described embodiment can be changed in the range of this utility model, change, replace and
Modification.Scope of the present utility model is limited by claims are extremely equivalent.
Claims (5)
1. a kind of high temperature high precision water-level gauge for geothermal well monitoring system is it is characterised in that include pressure transducer, AD adopts
Collector, governor circuit, power supply circuits；
The outfan of described pressure transducer connects the input of described AD Acquisition Circuit, and the outfan of described AD Acquisition Circuit is even
Connect described governor circuit, described power supply circuits respectively with described pressure transducer, described AD Acquisition Circuit, described governor circuit
Power end connects；
Described pressure transducer, described AD Acquisition Circuit, described governor circuit, described power supply circuits are all using high temperature resistant unit device
Part.
2. be used for as claimed in claim 1 the high temperature high precision water-level gauge of geothermal well monitoring system it is characterised in that：Described AD
Acquisition Circuit includes AD analog-digital converter, clock module, amplification module, filtration module, described AD analog-digital converter respectively with when
Clock module, amplification module, filtration module connect.
3. be used for as claimed in claim 1 the high temperature high precision water-level gauge of geothermal well monitoring system it is characterised in that：Described master
Control circuit includes main control chip, the first electric capacity, the second electric capacity, the 3rd electric capacity, first resistor, the power supply termination of described main control chip
One end of first electric capacity and all meet voltage+3.5V, its DC voltage input end connects one end of the second electric capacity, and its reference voltage inputs
Terminate one end of the 3rd electric capacity, one end of its main frame input termination first resistor, described first resistor, described first electric capacity, institute
State the second electric capacity, the other end of the 3rd electric capacity is all grounded, the signal input of described main control chip terminates the output of AD Acquisition Circuit
End.
4. be used for as claimed in claim 1 the high temperature high precision water-level gauge of geothermal well monitoring system it is characterised in that：Described confession
Circuit includes power supply chip, the defeated input interface of power supply, the second to the 5th resistance, the 4th to the 7th electric capacity, and described power supply is defeated
The output of incoming interface terminates the input of power supply chip, one end of the 4th electric capacity, and its earth terminal is grounded, its data receiver termination the
One end of two resistance, it controls the termination control output end of power supply chip, one end of 3rd resistor, described 4th electric capacity another
End, the other end of second resistance, the other end of 3rd resistor and be all grounded, output termination the 4th resistance of described power supply chip
One end, one end of the 5th electric capacity, one end of the 6th electric capacity and all connect+3.5V voltage, it adjusts port and meets the another of the 4th resistance
End, one end of the 5th resistance, its reference voltage terminates one end of the 7th electric capacity, the other end of described 4th resistance, the 5th resistance
The other end, the other end of the 5th electric capacity, the other end of the 6th electric capacity, the other end of the 7th electric capacity be all grounded.
5. be used for as claimed in claim 1 the high temperature high precision water-level gauge of geothermal well monitoring system it is characterised in that：Described master
Control circuit packs the data to fixing protocol format and is sent to geothermal well monitoring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620977370.5U CN205955726U (en) | 2016-08-29 | 2016-08-29 | A high temperature high accuracy fluviograph for geothermal well monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620977370.5U CN205955726U (en) | 2016-08-29 | 2016-08-29 | A high temperature high accuracy fluviograph for geothermal well monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205955726U true CN205955726U (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620977370.5U Active CN205955726U (en) | 2016-08-29 | 2016-08-29 | A high temperature high accuracy fluviograph for geothermal well monitoring system |
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| CN (1) | CN205955726U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121633A (en) * | 2016-08-29 | 2016-11-16 | 北京六合伟业科技股份有限公司 | High temperature high precision water-level gauge for geothermal well monitoring system |
-
2016
- 2016-08-29 CN CN201620977370.5U patent/CN205955726U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106121633A (en) * | 2016-08-29 | 2016-11-16 | 北京六合伟业科技股份有限公司 | High temperature high precision water-level gauge for geothermal well monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180413 Address after: 476000 North 500 meters West intersection of Jinqiao Road and Nanjing Road, Suiyang District, Shangqiu, Henan Patentee after: Shangqiu Rui control instrument and Instrument Co., Ltd. Address before: 100070 Beijing, Fengtai District, South Fourth Ring Road West, No. 12, building 188, floor 39 Patentee before: Beijing Liuhe Greatness Technology Co., Ltd. |