CN203037604U - Water content measurement instrument for petroleum - Google Patents
Water content measurement instrument for petroleum Download PDFInfo
- Publication number
- CN203037604U CN203037604U CN 201220641418 CN201220641418U CN203037604U CN 203037604 U CN203037604 U CN 203037604U CN 201220641418 CN201220641418 CN 201220641418 CN 201220641418 U CN201220641418 U CN 201220641418U CN 203037604 U CN203037604 U CN 203037604U
- Authority
- CN
- China
- Prior art keywords
- resistance
- circuit
- resistor
- capacitor
- water content
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to a water content measurement instrument for petroleum, which comprises a power circuit, a petroleum-water probe QM, an operational amplification integrated circuit IC2, resistors R1, R2, R3, R4, R5 and R6, a capacitor C3, an adjustable resistor W, a data processor V, an indicator gauge head Y and a stabilizing coil L, wherein the resistor R1 is a probe signal current limiting resistor; the resistors R2 and R2-1 are temperature compensation resistors; the resistor R4 is a signal reference sampling resistor; the resistor R3, the capacitor C3 and a diode D5 constitute a power-on delay circuit; and the resistor R2 is a charging resistor for the capacitor C3. The power circuit consists of a transformer B, rectification circuits D1-D4, capacitors C1 and C2 and a voltage-stabilizing block IC1. The two ends of the stabilizing coil L output low-voltage indication signals. The circuit design of the instrument takes the operational amplification integrated circuit as a core, the traditional circuit is simplified greatly, and the instrument is reasonable and reliable in structure and convenient to manufacture and saves power.
Description
One, technical field: the utility model relates to a kind of Water Content in Oil measuring instrument, is particularly suitable for the water gaging that contains of oil exploitation production PetroChina Company Limited..
Two, background technology: existing Water Content in Oil measuring instrument adopts the heating way of distillation mostly, and operation is many, complex structure, and error often appears in poor stability, and serviceable life is short, and fire prevention, poor safety performance.
Three, summary of the invention: the utility model is exactly at above-mentioned the deficiencies in the prior art part, and the Water Content in Oil measuring instrument that a kind of circuit level is high and stability is high is provided.
Technical solutions of the utility model comprise power circuit, profit probe QM, computing amplification circuit IC2, resistance R 1, R2, R3, R4, R5, R6, R7, capacitor C 3, adjustable resistance W, data processor V, display gauge head Y, ballast coil L forms, wherein resistance R 1 is the probe signal current-limiting resistance, resistance R 2, R2-1 is thermo-compensator, resistance R 4 is the signal criterion sampling, resistance R 3, capacitor C 3, diode D5 forms the start delay circuit, resistance R 2 is charging resistors of capacitor C 3, resistance R 5, R6, R7 is current-limiting resistance, and integrated circuit (IC) 2 is 8 leg dual operational amplifiers.Power circuit is made up of transformer B, rectification circuit D1-D4, capacitor C1, C2, regulator block IC1.On the circuit of current-limiting resistance R5, R6, R7, be in series with light emitting diode D6, D7, D8 respectively, as pre-thermal light D6, relay indicating light D7, demonstration pilot lamp
D8 is in the two ends of ballast coil L output low pressure indicator signal.
The utility model circuit design is core with the computing amplification circuit, simplifies traditional circuit greatly, has rational in infrastructure, reliable, power saving, low cost is convenient to make.
Four, description of drawings:
Accompanying drawing is the circuit theory diagrams of Water Content in Oil measuring instrument.
Five, specific implementation method
The contrast accompanying drawing, transformer B becomes low-voltage AC with civil power, be direct current by diode D1-D4 rectification, capacitor C 1, C2 are dc filter capacitor, and it is the profit sensing probe that regulator block IC1 provides 5V power supply QM, potentiometer W adjusts probe sensitivity, resistance R 1 is the probe signal current-limiting resistance, and resistance R 2, R2-1 are thermo-compensators, and R4 is the signal criterion sample resistance, resistance R 3, capacitor C 3, diode D5 form the switch delay circuit, as the start preheating.IC2 is 8 leg dual operational amplifiers: 1 leg is that signal amplifies output, and 2 legs are that signal amplifies negative input, and 3 legs are that signal amplifies positive input, 4 leg ground connection, and 5 legs are the delay circuit positive input, 6 leg delay circuit negative inputs, 7 legs output time delayed signal voltage.Resistance R 5 is the current-limiting resistance of IC2 the 7th leg output voltage; light emitting diode D8 shows pilot lamp; light emitting diode D6 is the demonstration pilot lamp; resistance R 6 is current-limiting resistances of D6; light emitting diode D7 is relay indicating light; resistance R 7 is current-limiting resistances of D7; diode D9 protected data processor V prevents that reverse voltage from puncturing data processor V; the effect of data processor V is that amplification IC2 the 7th leg output voltage promotes display gauge head Y and ballast coil L provides signal to display gauge head, and diode D9 prevents that ballast coil from producing reverse voltage and puncturing data processor V.The running parameter of foregoing circuit and existing circuit parameter basically identical are no longer carefully stated.Need to prove at the two ends of ballast coil L to link one group of resistance and electric capacity (not drawing among the figure), resistance is the charging resistor of electric capacity, and electric capacity provides demonstration voltage for ballast coil L.
Claims (3)
1. Water Content in Oil measuring instrument, it is characterized in that: comprise power circuit, profit probe (QM), computing amplification circuit IC2, resistance R 1, R2, R2-1, R3, R4, R5, R6, R7, capacitor C 3, adjustable resistance (W), data processor (V), display gauge head (Y) is formed, wherein resistance R 1 is the probe signal current-limiting resistance, resistance R 2, R2-1 is thermo-compensator, resistance R 4 is the signal criterion sampling, resistance R 3, capacitor C 3, diode D5 forms the start delay circuit, resistance R 2 is charging resistors of capacitor C 3, resistance R 5, R6, R7 is current-limiting resistance, and computing amplification circuit IC2 is 8 leg dual operational amplifiers.
2. according to claims 1 described Water Content in Oil measuring instrument, it is characterized in that: power circuit is made up of transformer (B), rectification circuit D1-D4, capacitor C1, C2, regulator block IC1.
3. according to claims 1 or 2 described Water Content in Oil measuring instruments, it is characterized in that: on the circuit of current-limiting resistance R5, R6, R7, be in series with light emitting diode D6, D7, D8 respectively as pre-thermal light D6, relay indicating light D7, demonstration pilot lamp D8, go up ballast coil in parallel (L) at display gauge head (Y), in the two ends of ballast coil (L) output low pressure indicator signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641418 CN203037604U (en) | 2012-11-29 | 2012-11-29 | Water content measurement instrument for petroleum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220641418 CN203037604U (en) | 2012-11-29 | 2012-11-29 | Water content measurement instrument for petroleum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203037604U true CN203037604U (en) | 2013-07-03 |
Family
ID=48689715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220641418 Expired - Fee Related CN203037604U (en) | 2012-11-29 | 2012-11-29 | Water content measurement instrument for petroleum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203037604U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426519A (en) * | 2018-04-04 | 2018-08-21 | 成都众宜天成科技有限公司 | A kind of paint coating thickness based on temperature-compensation circuit accurately measures instrument |
| CN108759756A (en) * | 2018-04-04 | 2018-11-06 | 成都众宜天成科技有限公司 | Paint coating thickness based on Ni-MH battery test constantly accurately measures instrument |
| CN114923966A (en) * | 2022-05-27 | 2022-08-19 | 天地（常州）自动化股份有限公司 | Carbon monoxide monitoring system and anti-electromagnetic interference method |
-
2012
- 2012-11-29 CN CN 201220641418 patent/CN203037604U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426519A (en) * | 2018-04-04 | 2018-08-21 | 成都众宜天成科技有限公司 | A kind of paint coating thickness based on temperature-compensation circuit accurately measures instrument |
| CN108759756A (en) * | 2018-04-04 | 2018-11-06 | 成都众宜天成科技有限公司 | Paint coating thickness based on Ni-MH battery test constantly accurately measures instrument |
| CN114923966A (en) * | 2022-05-27 | 2022-08-19 | 天地（常州）自动化股份有限公司 | Carbon monoxide monitoring system and anti-electromagnetic interference method |
| CN114923966B (en) * | 2022-05-27 | 2023-12-01 | 天地（常州）自动化股份有限公司 | Carbon monoxide monitoring system and anti-electromagnetic interference method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203164326U (en) | Digital display type detection device of resistor strain sensor | |
| CN203037604U (en) | Water content measurement instrument for petroleum | |
| CN204116423U (en) | A kind of Electronics and Information Engineering multimeter | |
| CN203551658U (en) | Non-contact type AC neon-electroscope having frequency measuring function | |
| CN202534234U (en) | Resonance method inductance measurement experimental instrument | |
| CN202916373U (en) | Capacitor performance determination instrument with function of rapid detection | |
| CN203102001U (en) | Check device for oil level temperature controller of power transformer | |
| CN208752770U (en) | Liquefied petroleum gas leakage detection device | |
| CN202854215U (en) | Inductive test pencil based on six-inverter integrated circuit | |
| CN202929120U (en) | Self-checking precise battery internal resistance instrument | |
| CN103234686B (en) | Pressure detection circuit and pressure gauge with digital display | |
| CN202421320U (en) | Temperature compensator for Hall detection current sensor | |
| CN203719815U (en) | High-precision pressure measuring device | |
| CN203643868U (en) | Water temperature regulating circuit | |
| CN205246759U (en) | Pilot's helmet detection device | |
| CN204694833U (en) | A kind of LED string intelligence energy consumption testing instrument | |
| CN204177944U (en) | Power module testing circuit | |
| CN206496820U (en) | Fuel sensor resistance ratio monitor station | |
| CN204302696U (en) | based on ARM9 numerical control constant-current source device | |
| CN210243634U (en) | Simple and easy device of chlorine residue detection | |
| CN204314253U (en) | Sensor electrical source module | |
| CN215769429U (en) | Control circuit of solution pH meter | |
| CN203337279U (en) | Temperature measuring instrument capable of adjusting upper limit and lower limit | |
| CN202720261U (en) | Industrial alternating current detection meter | |
| CN202956366U (en) | Air quality grade measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20131129 |