CN2646702Y - Off-line type water content analyzing equipment for crude oil - Google Patents
Off-line type water content analyzing equipment for crude oil Download PDFInfo
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- CN2646702Y CN2646702Y CN 03280806 CN03280806U CN2646702Y CN 2646702 Y CN2646702 Y CN 2646702Y CN 03280806 CN03280806 CN 03280806 CN 03280806 U CN03280806 U CN 03280806U CN 2646702 Y CN2646702 Y CN 2646702Y
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- water containing
- scm
- detecting
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Abstract
The utility model relates to an offline type analysis device for the water containing in the raw oil. The utility model consists of a water containing detecting device and a SCM handling device. The water containing device consists of a radiation source and a detecting device; the detecting sample is positioned between the radiation and the detecting device; and the SCM handling device consists of a SCM, a comparing circuit, a storing device and a communication core. The connection structure is that the comparing circuit consists of two voltage comparing devices, a resistance and a capacitance; the input end of the voltage comparing device is connected with the detecting device through a resistance R3 and the capacitance C1; the output end is connected with the shaping circuit; the shaping circuit is connected with the SCM; and the SCM is connected with the storing device and the communication chip. The water containing detecting adopts the airproof detecting and is environmental friendly. The utility model has the advantages of high measure precision, short period, less electricity consumption, energy saving and steady function as the utility model utilizes the nuclear physical art, the nuclear electronic art and the computer art. The utility model realizes the precision of the measure and is an ideal raw oil analysis device for the petroleum industry.
Description
Technical field
The utility model relates to a kind of analytical equipment, particularly in the crude oil transmission metering in order to each oil field of petroleum industry, to the situation of change off-line analysis of water percentage and the off-line type crude oil water containing analytical equipment of monitoring.
Background technology
Traditional online analyzer of water content of crude oil water content measurement mechanism JDY mainly is to adopt the way of distillation and the electricity method of taking off that sample is measured.The former measuring accuracy height, but measuring operation step complexity need sampling, dilution, slowly heat supervisor, analyze a sample and will expend two hours.Though it is fairly simple that the electricity method of taking off is operated, error is bigger.The shortcoming of these traditional measurement methods is: personal error is big, and Measuring Time is long, and energy consumption is big.In the petroleum system, there is every day a large amount of chemical examination workers crude oil sample being measured to obtain the water percentage of petroleum pipeline pipeline.The backwardness of assay device, artificial waste has a strong impact on production efficiency, and this area thirsts for having new-type laboratory to occur with off-line type bearing analysis instrument for this reason.
Summary of the invention
The defective that is to overcome in the background technology of the present utility model, provide a kind of radioactive source indirectly-acting in crude oil sample, receive the energy of low-energy and be converted into voltage pulse signal by detector and send Single Chip Microcomputer (SCM) system to, single-chip microcomputer is gathered initialize signal to its off-line type crude oil water containing analytical equipment of handling.
To achieve these goals, by the following technical solutions: by containing water gaging, the single-chip microcomputer processing mechanism, display constitutes, moisture measure portion is by radioactive source, detector is formed, measuring samples places between radioactive source and the detector, it is characterized in that, the single-chip microcomputer processing mechanism is by single-chip microcomputer, amplifying circuit, comparator circuit, storer and communication chip constitute, its syndeton is, amplifying circuit is by amplifier, resistance, electric capacity is formed, its input end is by resistance R 3, capacitor C 1 is connected with detector, output terminal is connected with the input end of comparator circuit, comparator circuit is by voltage comparator, resistance, electric capacity is formed, and the output terminal of voltage comparator is connected with shaping circuit, and shaping circuit is connected with single-chip microcomputer, single-chip microcomputer is connected with storer, is connected with communication chip.
Owing to adopted technique scheme, utilize computer technology, realized the robotization of measuring.Contain water gaging and adopt airtight measurement, to environment without any pollution.Make full use of nuclear physics technology, nuclear electron technology and computer technology, have the measuring accuracy height, the cycle is short, little power consumption, energy savings, advantage such as stable and reliable for performance.Realized the precision of measuring.
Description of drawings
Fig. 1 is the whole connection diagram of the utility model.
Fig. 2 is the utility model metering circuit schematic diagram.
Embodiment
Further describe the utility model below in conjunction with drawings and Examples.
The utility model is handled the two large divisions and is formed by containing water gaging, single-chip microcomputer.Moisture measure portion is made up of measurement instrument, radioactive source and detector.The single-chip microcomputer processing mechanism is made up of single-chip microcomputer 89C2051, serial communication interface RS232 or RS485, shaping circuit, comparator circuit, voltage conversion circuit and high pressure generator.The whole embodiment that connects of the present utility model goes into Fig. 1, the gamma ray projector the long half-lift that radioactive source 1 adopting, and it is indoor to be enclosed in the source.This set has guaranteed that the outer ray metering of measurement instrument well below the national security measurement standard, has no effect to environment and staff.As Fig. 1, measuring samples 2 places between gamma ray projector 1 and the detector 3, and detector 3 is connected with Computer Processing mechanism 4, and Computer Processing mechanism 4 is connected with display 5.
Fig. 2 is the utility model metering circuit schematic diagram embodiment.As Fig. 2, the single-chip microcomputer processing mechanism is made of single-chip microcomputer, amplifying circuit, comparator circuit, storer and communication chip.Amplifying circuit is made up of amplifier, resistance R W1, R3, capacitor C 1, and the negative terminal of its input end is connected with resistance R 3, capacitor C 1, and capacitor C 1 is connected with detector JDY, and resistance R W1 is serially connected between the input negative terminal and output terminal of amplifier.Its output terminal is connected with comparator circuit, and comparator circuit is by voltage comparator LM393, resistance R 1, R5, R6, and capacitor C 2 is formed.Wherein, the negative terminal of the input end of voltage comparator LM393 is connected with potentiometer RW1, is connected with the output terminal of amplifier.Its anode is connected with resistance R 1, capacitor C 2, resistance R 5.The output terminal of voltage comparator LM393 is connected with dressing stick 9.Dressing stick 9 is connected with single-chip microcomputer 4.Single-chip microcomputer adopts 89C2051.Single-chip microcomputer 4 is connected with storer 8, is connected with communication chip 7.That storer adopts is the storer X25045 of a kind of charged detection and watchdog circuit.That communication chip 7 adopts is a kind of two half worker's communication interface RS485.Single-chip microcomputer 4, communication chip 7 and storer 8 all can be bought from the market.As Fig. 2, voltage conversion circuit 6 of the present utility model is connected with high pressure generator 10, and high pressure generator 10 is connected with detector 3.
The course of work of the present utility model: detector 3 adopts the 12V low-voltage power supply, during work, the photon stream that radioactive source sends shines generation visible light and ultraviolet light on the scintillator after seeing through measured crude oil, this signal is exported by detector, through capacitor C 1 filtering DC component, make interior photomultiplier of detector and signal processing circuit realize the isolation of DC voltage simultaneously, resistance R 1, R2 finishes level deviation, make the signal criterion DC level that enters amplifier at 2.5V, by the unipolarity amplifier signal is amplified, by voltage comparator LM393 useful signal is being extracted, the input single-chip microcomputer counts, and single-chip microcomputer adopts the 11.0592M crystal oscillator.With the Working mode set of the timer/counter 0 of single-chip microcomputer is pattern 1, produces regularly down trigger watchdog circuit, and a second time stamp is provided simultaneously, guarantees that each second extract a secondary data.Single-chip microcomputer is taken advantage of 2 results that can be counted accurately with it after image data, this result sends by serial communication interface RS25045 and RS485, and display 5 comes out data presentation.
The X25045 that uses in the device is the eeprom memory of a kind of detection with voltage and house dog (WATCHDOG) circuit, and voltage detecting and watchdog circuit have guaranteed the reliability service of module.The RS485 communication chip adopts SN75LBC184; this is a kind of RS485 chip compatible fully with SN75176 differential data transceive data; it is a kind of half duplex communication interface; RS485 sending and receiving end in its sheet is connected to high-energy transition interference protection device; can bear the overvoltage transition of 400W; be adapted at working under the condition of rugged surroundings, can on bus, articulate 64 transceivers.The single-chip microcomputer that uses in the device, display, voltage comparator, amplifier all can be bought from the market.
Claims (3)
1, a kind of off-line type crude oil water containing analytical equipment, by containing water gaging, the single-chip microcomputer processing mechanism, display constitutes, moisture measure portion is by radioactive source, detector is formed, measuring samples places between radioactive source and the detector, it is characterized in that, the single-chip microcomputer processing mechanism is by single-chip microcomputer, amplifying circuit, comparator circuit, storer and communication chip constitute, its syndeton is, amplifying circuit is by amplifier, resistance, electric capacity is formed, its input end is by resistance R 3, capacitor C 1 is connected with detector, output terminal is connected with the input end of comparator circuit, comparator circuit is by voltage comparator, resistance, electric capacity is formed, and the output terminal of voltage comparator is connected with shaping circuit, and shaping circuit is connected with single-chip microcomputer, single-chip microcomputer is connected with storer, is connected with communication chip.
2, off-line type crude oil water containing analytical equipment according to claim 1 is characterized in that, described storer is the storer X25045 of a kind of charged detection and watchdog circuit.
3, off-line type crude oil water containing analytical equipment according to claim 1 is characterized in that, communication chip is a kind of two half worker's communication interface RS485.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03280806 CN2646702Y (en) | 2003-09-19 | 2003-09-19 | Off-line type water content analyzing equipment for crude oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03280806 CN2646702Y (en) | 2003-09-19 | 2003-09-19 | Off-line type water content analyzing equipment for crude oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2646702Y true CN2646702Y (en) | 2004-10-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03280806 Expired - Lifetime CN2646702Y (en) | 2003-09-19 | 2003-09-19 | Off-line type water content analyzing equipment for crude oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2646702Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558233A (en) * | 2013-09-06 | 2014-02-05 | 北华航天工业学院 | Gamma-ray based petroleum component analysis method and analysis method thereof |
-
2003
- 2003-09-19 CN CN 03280806 patent/CN2646702Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558233A (en) * | 2013-09-06 | 2014-02-05 | 北华航天工业学院 | Gamma-ray based petroleum component analysis method and analysis method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130919 Granted publication date: 20041006 |