CN203081429U - Memory type electronic pressure gauge - Google Patents
Memory type electronic pressure gauge Download PDFInfo
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- CN203081429U CN203081429U CN 201320107843 CN201320107843U CN203081429U CN 203081429 U CN203081429 U CN 203081429U CN 201320107843 CN201320107843 CN 201320107843 CN 201320107843 U CN201320107843 U CN 201320107843U CN 203081429 U CN203081429 U CN 203081429U
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- pressure gauge
- pressure
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Abstract
The utility model relates to a memory type electronic pressure gauge, which comprises a rope cap (1), wherein a battery compartment sleeve (2) is in threaded connection with the lower end of the rope cap (1); a battery compartment (3) is arranged in the battery compartment sleeve (2); the lower end of the battery compartment sleeve (2) is in threaded connection with an instrument compartment (4); a pressure inlet hole (5) is formed in the front end of the instrument compartment (4) and communicated with a pressure sensor in the front end of the instrument compartment (4); an electronic circuit is arranged in a sealing body at the rear end of the instrument compartment (4); the lower end of the instrument compartment (4) is in threaded connection with a starting taper (6); the electronic circuit comprises a single chip MCU (Main Control Unit); the input end of the single chip MCU is connected with an AD (analog-digital) converter; the input end of the AD converter is connected with a temperature sensor and the pressure sensor respectively; and the single chip MCU is further connected with a communication connector, a battery and a memory. The memory type electronic pressure gauge can be used for testing and storing underground pressure/temperature data of a severe oil well or a severe water well in an oil field, and has the advantages of being high in accuracy, high in strength, extremely long in working actual effect, simple and reliable.
Description
Technical field
The utility model relates to the tester that a kind of down-hole pressure temperature dynamic that is widely used in oilfield, well is measured, and concrete belongs to a kind of memory electronic pressure gauge.
Background technology
At present, the whole nation each elephant widely used electronic pressure gauge reaches tens of kinds, and because manometric manufacturer is numerous, model is numerous and diverse, instrument battery detecting, identification and mode of operation different, in use be easy to cause obscure.In addition, in the exploration and Development and Production process of mineral reserve layer oil gas, because the electronic pressure gauge long-term work is among adverse circumstances, unreliable and the artificial operate miss of the type selecting of instrument performance improper, parts can both cause the inefficacy in the electronic pressure gauge use in addition, even causes the failure of pilot production technology.Therefore the principal element that influence the downhole electronic pressure bomb inefficacy is analyzed and prevention has very important realistic meaning.
Summary of the invention
In order to overcome the deficiency that exists in the background technology, the utility model provides a kind of memory electronic pressure gauge, and the utility model can be used for test, the storage of the down-hole pressure temperature data of the abominable oil well well in oil field.Have high accuracy, high strength, overlength work actual effect, simple, reliable advantage.
The technical solution of the utility model is: this memory electronic pressure gauge comprises rope socket, it is characterized in that: described rope socket lower end screw thread is connected with the battery compartment cover, be provided with battery compartment in the battery compartment cover, the instrument storehouse that is threaded, battery compartment cover lower end, instrument storehouse front end has the entrance pressure hole, pressure sensor in entrance pressure hole and the instrument storehouse front end communicates, and in the back-end sealing body of instrument storehouse electronic circuit is arranged, lower end, the instrument storehouse starting taper that is threaded; Described electronic circuit comprises single-chip microprocessor MCU, and the input of single-chip microprocessor MCU connects converter AD, and the input of converter AD connects temperature pick up and pressure sensor respectively, and single-chip microprocessor MCU also is connected with communication connector, battery and memory.
The beneficial effect that the utlity model has is: the utility model designs according to bar type structure, possess high accuracy, high strength, overlength work actual effect, simple, reliable advantage, can be used for test, the storage of the down-hole pressure temperature data of the abominable oil well well in oil field.Cooperate PC software, realize that multiple test interval is set, the data in the playback instrument, and it is printed as function such as form.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is the utility model electrical block diagrams.
1-rope socket among the figure, 2-battery compartment cover, 3-battery compartment, 4-instrument storehouse, 5-entrance pressure hole, 6-starting taper.
The specific embodiment:
Below in conjunction with accompanying drawing will the utility model is described in further detail:
Shown in Figure 1, this memory electronic pressure gauge comprises rope socket 1, described rope socket 1 lower end screw thread is connected with battery compartment cover 2, be provided with battery compartment 3 in the battery compartment cover 2, when being the whole instrument underground work, battery compartment 3 powers, battery compartment overlaps the instrument storehouse 4 that is threaded, 2 lower ends, instrument storehouse 4 front ends have entrance pressure hole 5, pressure sensor in entrance pressure hole 5 and instrument storehouse 4 front ends communicates, in the 4 back-end sealing bodies of instrument storehouse electronic circuit is arranged, electronic circuit and battery compartment 3 pegged graft, 4 lower ends, the instrument storehouse starting taper 6 that is threaded, and starting taper 6 is used for guide instrument and goes into the well smoothly; Described electronic circuit comprises single-chip microprocessor MCU, and single-chip microprocessor MCU is responsible for all control functions of work as CPU.The input of single-chip microprocessor MCU connects converter AD, and AD adopts 24 high-precision adcs, can gather the signal of telecommunication of pressure, temperature pick up and be converted to data signal.The input of converter AD connects temperature pick up and pressure sensor respectively, and single-chip microprocessor MCU also is connected with communication connector, battery and memory.Communication connector is an instrument and the communication interface that is connected of extraneous PC.Memory adopts EEPROM, but storage apparatus parameter, running parameter and test data etc.All seal sections of instrument all adopt three grades of polytetrafluoroethylsealed sealed circles of " O " type.Have characteristics such as high temperature resistant, oil resistant.
Before instrument uses, the chamber demarcation need demarcated, in demarcating the chamber, carry out the memory-type collection according to uniform temperature, pressure-processing, corresponding with real data afterwards, generate and demarcate file, use as the explanation function parameter of this pressure gauge to its test data, concrete calibration process can be with reference to " pressure gauge playback software operation instruction ".
Before instrument is gone into the well, link to each other with PC, " the sampling timing parameter " of the test this time of user's appointment is transferred to downhole probe by communication connector.
After instrument is loaded onto cell sealing and is gone into the well, the MCU control system is according to default sequential timing, after timing time arrives, the AD chip is converted to numerical data with the pressure-temperature sensor signal of telecommunication, by MCU pressure, temperature AD data are deposited in the memory, enter electricity-saving state afterwards, finish test operation one time, and begin timing next time.
After well logging finishes, by special-purpose assorted test playback software and connection, with instrument in all data readbacks of downhole testing to PC, carry out the data of system then and handle, form image and form information.
Instrument has two kinds of mode of operations, direct-reading and memory-type pattern.Under the direct-reading pattern, the user can pass through layout line, and control cabinet and playback software carry out real-time communication to pressure gauge, obtain information or parameter etc. is set; Under memory module, pressure gauge directly links to each other with computer after test is finished according to automatic test data of set work sequence and storage, carries out data and handles.
Instrument has two kinds of mode of operations, direct-reading and memory-type pattern.Under the direct-reading pattern, the user can carry out real-time communication to pressure gauge by layout line and playback software, obtains information or parameter etc. is set; Under memory module, pressure gauge is according to automatic test data of set work sequence and storage.
Behind the instrument electrifying startup, status indicator lamp is at first with 0.2Hz fast blink three times, and the expression instrument starts, and indicator lamp normal bright 10 seconds afterwards in this time in 10 second, as receives and enters direct-reading pattern serial port command, and instrument enters the direct-reading pattern.Otherwise 10 times in second arrived, and instrument enters memory module with 0.5Hz middling speed flicker 5 times.After instrument enters memory module, just can't enter direct access mode by serial port command again.
Instrument can be with the 1Hzp frequency scintillation under direct access mode, and the expression instrument is just in direct-reading work, but when big data communication, read-write, instrument indicator lamp meeting Chang Liang is until finishing operations such as data communication, read-write.
Instrument is under storage mode, and indicator lamp length is gone out, and arrives but work as timing, and one group of data of instrument test are can be once glittering fast, represent collection, the storage operation of one group of data.
Prepare before surveying: before instrument is gone into the well, deliver to " the sampling timing parameter " of user's establishment in the downhole probe by PC software, the battery of packing into is then prepared to go into the well.Concrete steps are as follows:
Screw off the battery compartment sheath in instrument storehouse and battery compartment junction, take off battery compartment, instrument is connected with the PC serial ports with communication cable.Start PC " pressure gauge data readback software ".
Select corresponding serial ports, this step needs to be provided with when starting for the first time, does not after this need to be provided with once more.Input instrument sampling timing parameter.Whether store mass data in the inspection apparatus, before suggestion is gone into the well, remove historical data, and checking is determined at every turn.Pull out communication cable, finish preparation.
The test of going into the well: the user at first uses the reserve battery detector to determine whether battery has electricity before aboveground preparation is tested, and suggestion is each adopts new battery, and test battery voltage is not less than 7.0VDC.The battery compartment negative pole tail cap of outwarding winding with the patch head end of anode to the front, inserts battery, screws negative pole tail cap again.Battery compartment is inserted in the instrument storehouse, after observation battery compartment relay indicating light is normal, with the vertical ground direction, the battery compartment sheath carefully is inserted in battery compartment, and screws sheath, finish the preparation of instrument host.In instrument or weighted lever lower end, screw the installation starting taper, to reduce instrument resistance angle, can accelerate the speed of going into the well.Elongated wire is serially connected on the rope socket, and after the definite connection reliably of knotting, screws and be installed in aforementioned main frame upper end.
After checking non-loosening, can carry out down-hole operation.
Survey the back playback: after downhole testing was finished, instrument was carried go back to ground, and according to the following steps playback of data: screw off the battery compartment sheath in instrument storehouse and battery compartment junction, whether the optical viewer battery compartment feed liquor phenomenon.Observe relay indicating light on the battery compartment, under the time permissive condition, whether optical viewer is also in the proper testing data.Take off battery compartment, instrument is connected with the PC serial ports with communication cable.Start PC " pressure gauge data readback software ".To the instrument power supply, on software, to click " entering the direct-reading pattern ", control instrument enters the direct-reading pattern.Select " playback sampled data ", software is uploaded to the pressure bomb test data in the PC automatically.After confirming the data readback success, Backup Data is wiped historical data and checking.Pull out communication cable, finish data readback.
Data are handled: the user can handle the data of depositing, as generating picture, form, printing, contrast etc.
Its pressure sensor is selected piezoresistive pressure sensor for use, well office resistance trimming is proofreaied and correct, possess precision height, stability advantage such as splendid, temperature pick up adopts the ic temperature transducer of PN joint principle, possesses self-temperature compensation function, its test substrate directly is connected with casing, and adopts heat conductive silica gel to increase heat conductivility.
The large buffer memory eeprom memory, low-power consumption, superpower flying power, self diagnosis and optical signal indicating status, self diagnosis and optical signal indicating status, high accuracy, high-resolution, use two low capacity lithium batteries, running cost is low, 85 ℃ of operating temperatures, simplifying data memory format, the working method of 10 groups of programmable intervals, sampling number support storage and direct-reading, simple in structure, high rotproofness.
Claims (1)
1. memory electronic pressure gauge, comprise rope socket (1), it is characterized in that: described rope socket (1) lower end screw thread is connected with battery compartment cover (2), be provided with battery compartment (3) in the battery compartment cover (2), the instrument storehouse (4) that is threaded, battery compartment cover (2) lower end, instrument storehouse (4) front end has entrance pressure hole (5), and entrance pressure hole (5) communicate with pressure sensor in the front end of instrument storehouse (4), in the back-end sealing body of instrument storehouse (4) electronic circuit is arranged, lower end, instrument storehouse (4) starting taper (6) that is threaded; Described electronic circuit comprises single-chip microprocessor MCU, and the input of single-chip microprocessor MCU connects converter AD, and the input of converter AD connects temperature pick up and pressure sensor respectively, and single-chip microprocessor MCU also is connected with communication connector, battery and memory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107843 CN203081429U (en) | 2013-03-11 | 2013-03-11 | Memory type electronic pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107843 CN203081429U (en) | 2013-03-11 | 2013-03-11 | Memory type electronic pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203081429U true CN203081429U (en) | 2013-07-24 |
Family
ID=48827279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320107843 Expired - Fee Related CN203081429U (en) | 2013-03-11 | 2013-03-11 | Memory type electronic pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203081429U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182059A (en) * | 2015-10-08 | 2015-12-23 | 中国石油集团渤海钻探工程有限公司 | Cell voltage automatic detection device for storage type underground electronic pressure gauge |
| CN106014388A (en) * | 2016-06-18 | 2016-10-12 | 方永和 | Totally closed downhole pressure gauge |
| CN108240883A (en) * | 2015-10-21 | 2018-07-03 | 中国航空工业集团公司沈阳飞机设计研究所 | For the convenient pressure measuring unit of aircraft |
-
2013
- 2013-03-11 CN CN 201320107843 patent/CN203081429U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182059A (en) * | 2015-10-08 | 2015-12-23 | 中国石油集团渤海钻探工程有限公司 | Cell voltage automatic detection device for storage type underground electronic pressure gauge |
| CN108240883A (en) * | 2015-10-21 | 2018-07-03 | 中国航空工业集团公司沈阳飞机设计研究所 | For the convenient pressure measuring unit of aircraft |
| CN108287036A (en) * | 2015-10-21 | 2018-07-17 | 中国航空工业集团公司沈阳飞机设计研究所 | Pressure measuring unit for Aircraft Flight Test |
| CN106014388A (en) * | 2016-06-18 | 2016-10-12 | 方永和 | Totally closed downhole pressure gauge |
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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: 20130724 Termination date: 20180311 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |