CN105203255A - Pressure sensor for underground measurement - Google Patents
Pressure sensor for underground measurement Download PDFInfo
- Publication number
- CN105203255A CN105203255A CN201510597894.1A CN201510597894A CN105203255A CN 105203255 A CN105203255 A CN 105203255A CN 201510597894 A CN201510597894 A CN 201510597894A CN 105203255 A CN105203255 A CN 105203255A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- pressure transducer
- pressure sensor
- battery
- shell
- 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.)
- Pending
Links
Abstract
The invention provides a pressure sensor for underground measurement. The pressure sensor for underground measurement comprises a rope socket, a housing, a battery, a circuit board I, a connecting wire, a circuit board II, a pressure sensor body and a guide cone and further comprises a fastening nut, a spring, a sensor shell, a seal ring I, a sensor core, a seal ring II and a connecting contact pin, wherein the rope socket is connected with the housing, the battery, the circuit board I, the connecting wire and the circuit board II sequentially, the connecting contact pin at one end of the pressure sensor body is connected with the circuit board II, the seal ring I and the seal ring II are respectively arranged at two ends of the pressure sensor body, and the other end of the housing is the guide cone. The pressure sensor for underground measurement has the advantages that the reliability of the pressure sensor is effectively improved, a sensitive pressure diaphragm on a sensor core body can easily sense oil extrusion and the accuracy of the pressure sensor can be effectively improved by taking a two-end sealing measure, and meanwhile the battery is not needed to be packaged and is simple in structure and convenient to use.
Description
Technical field
The present invention relates to underground survey device technique field, particularly relate to a kind of underground survey pressure transducer.
Background technology
Pressure transducer is a kind of sensor the most conventional in industrial practice, instrument and meter control.And be widely used in oil well industry, for measuring the concrete pressure condition of hole condition, it is requisite measuring equipment under oil well, because subsurface environment is complicated, and each subsurface equipment is gone into the well, the working time is longer, therefore have very high requirement to the temperature of pressure transducer, precision and reliability, but current pressure transducer is when carrying out underground survey, no matter precision or reliability, all can not meet the demands.
Summary of the invention
The invention provides a kind of underground survey pressure transducer, by being fixedly packaged within joint and shell by the periphery of sensor core, effectively improve the reliability of pressure transducer; And by two ends seal approach, make the sensitive pressure diaphragm on sensor core more easily experience the extruding of fluid, effectively can improve the precision of pressure transducer; Battery need not encapsulate simultaneously, and structure is simple, easy to use.
For solving the problems of the technologies described above, the embodiment of the present application provides a kind of underground survey pressure transducer, comprise rope socket, shell, battery, circuit board one, connecting line, circuit board two, pressure transducer and starting taper, it is characterized in that, also comprise clamp nut, spring, sensor shell, O-ring seal one, sensor core, O-ring seal two and connecting contact pin, described rope socket is connected with shell, battery is equipped with in shell one end, the other end of battery is fixed on circuit board one by clamp nut, circuit board one is connected with circuit board two by connecting line, the connecting contact pin of pressure transducer one end is connected with circuit board two, the two ends of described pressure transducer are respectively equipped with O-ring seal one and O-ring seal two, shell makes the other end be starting taper.
As the preferred embodiment of this programme, be provided with spring between described battery and circuit board one, and compressed by clamp nut.
As the preferred embodiment of this programme, described clamp nut is nonmetallic materials.
As the preferred embodiment of this programme, described O-ring seal one and O-ring seal two are resistant to elevated temperatures fluorine glue O shape circle.
As the preferred embodiment of this programme, described sensor core is provided with sensitive pressure diaphragm near one end of connecting contact pin, and wherein sensitive pressure diaphragm is stainless steel material.
As the preferred embodiment of this programme, described circuit board two is provided with the jack matched with connecting contact pin.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
By being fixedly packaged within joint and shell by the periphery of sensor core, effectively improve the reliability of pressure transducer; And by two ends seal approach, make the sensitive pressure diaphragm on sensor core more easily experience the extruding of fluid, effectively can improve the precision of pressure transducer; Battery need not encapsulate simultaneously, and structure is simple, easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present application.
In Fig. 1,1, rope socket, 2, shell, 3, battery, 4, clamp nut, 5, spring, 6, circuit board one, 7, connecting line, 8, circuit board two, 9, pressure transducer, 10, sensor shell, 11, starting taper, 12, O-ring seal one, 13, sensor core, 14, O-ring seal two, 15, connecting contact pin.
Embodiment
The invention provides a kind of underground survey pressure transducer, by being fixedly packaged within joint and shell by the periphery of sensor core, effectively improve the reliability of pressure transducer; And by two ends seal approach, make the sensitive pressure diaphragm on sensor core more easily experience the extruding of fluid, effectively can improve the precision of pressure transducer; Battery need not encapsulate simultaneously, and structure is simple, easy to use.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
As shown in Figure 1, a kind of underground survey pressure transducer, comprise rope socket 1, shell 2, battery 3, circuit board 1, connecting line 7, circuit board 28, pressure transducer 9 and starting taper 11, it is characterized in that, also comprise clamp nut 4, spring 5, sensor shell 10, O-ring seal 1, sensor core 13, O-ring seal 2 14 and connecting contact pin 15, described rope socket 1 is connected with shell 2, battery 3 is equipped with in shell 2 one end, the other end of battery 3 is fixed on circuit board 1 by clamp nut 4, circuit board 1 is connected with circuit board 28 by connecting line 7, the connecting contact pin 15 of pressure transducer 9 one end is connected with circuit board 28, the two ends of described pressure transducer 9 are respectively equipped with O-ring seal 1 and O-ring seal 2 14, shell 2 makes the other end be starting taper 11.
Wherein, in actual applications, spring 5 is provided with between described battery 3 and circuit board 1, and compressed by clamp nut 4, adopting spring 5 and clamp nut 4 to be compressed by battery 3, need not again encapsulating, in addition without the need to welding dedicated connector after changing battery 3, sound construction, can not make plug loose contact because of vibration.
Wherein, in actual applications, described clamp nut 5 is nonmetallic materials, prevents the appearance of electric leakage and conductivity issues.
Wherein, in actual applications, described O-ring seal 1 and O-ring seal 2 14 are resistant to elevated temperatures fluorine glue O shape circle, by two ends seal approach, make the sensitive pressure diaphragm on sensor core 13 more easily experience the extruding of fluid, effectively can improve the precision of pressure transducer.
Wherein, in actual applications, described sensor core 13 is provided with sensitive pressure diaphragm near one end of connecting contact pin 15, and wherein sensitive pressure diaphragm is stainless steel material, can the corrosion of oil resistant.
Wherein, in actual applications, described circuit board 28 is provided with the jack matched with connecting contact pin 15, for the transmission of pressure signal and the power supply of battery.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. a underground survey pressure transducer, comprises rope socket (1), shell (2), battery (3), circuit board one (6), connecting line (7), circuit board two (8), pressure transducer (9) and starting taper (11), is characterized in that, also comprises clamp nut (4), spring (5), sensor shell (10), O-ring seal one (12), sensor core (13), O-ring seal two (14) and connecting contact pin (15), described rope socket (1) is connected with shell (2), battery (3) is equipped with in shell (2) one end, the other end of battery (3) is fixed on circuit board one (6) by clamp nut (4), circuit board one (6) is connected with circuit board two (8) by connecting line (7), the connecting contact pin (15) of pressure transducer (9) one end is connected with circuit board two (8), the two ends of pressure transducer (9) are respectively equipped with O-ring seal one (12) and O-ring seal two (14), and shell (2) makes the other end be starting taper (11).
2. a kind of underground survey pressure transducer according to claim 1, is characterized in that, is provided with spring (5) between described battery (3) and circuit board one (6), and is compressed by clamp nut (4).
3. a kind of underground survey pressure transducer according to claim 1, is characterized in that, described clamp nut (5) is nonmetallic materials.
4. a kind of underground survey pressure transducer according to claim 1, is characterized in that, described O-ring seal one (12) and O-ring seal two (14) are resistant to elevated temperatures fluorine glue O shape circle.
5. a kind of underground survey pressure transducer according to claim 1, it is characterized in that, described sensor core (13) is provided with sensitive pressure diaphragm near one end of connecting contact pin (15), and wherein sensitive pressure diaphragm is stainless steel material.
6. a kind of underground survey pressure transducer according to claim 1, is characterized in that, described circuit board two (8) is provided with the jack matched with connecting contact pin (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510597894.1A CN105203255A (en) | 2015-09-18 | 2015-09-18 | Pressure sensor for underground measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510597894.1A CN105203255A (en) | 2015-09-18 | 2015-09-18 | Pressure sensor for underground measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105203255A true CN105203255A (en) | 2015-12-30 |
Family
ID=54951053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510597894.1A Pending CN105203255A (en) | 2015-09-18 | 2015-09-18 | Pressure sensor for underground measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105203255A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703790A (en) * | 2017-01-19 | 2017-05-24 | 成都海川高科科技有限公司 | Downhole electronic pressure bomb |
| CN107676075A (en) * | 2016-08-02 | 2018-02-09 | 西安洛科电子科技有限责任公司 | Perforation pressure gauge |
| US10760989B2 (en) | 2018-05-16 | 2020-09-01 | Te Connectivity Corporation | Submersible transducer configured to impede fluid penetration |
| CN107676075B (en) * | 2016-08-02 | 2024-04-30 | 西安洛科电子科技股份有限公司 | Perforation pressure gauge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827972A (en) * | 1993-11-02 | 1998-10-27 | Texas Instruments Incorporated | High pressure sensor apparatus with low cost compact packaging system |
| CN201326411Y (en) * | 2008-12-23 | 2009-10-14 | 杨习伟 | Underground measuring instrument structure of battery-free packaging oil well |
| CN201802395U (en) * | 2010-02-03 | 2011-04-20 | 吉艾科技（北京）股份公司 | Dual laterolog tool |
| CN203672552U (en) * | 2013-12-06 | 2014-06-25 | 天水华天传感器有限公司 | Pressure transmitter |
| CN204154434U (en) * | 2014-08-21 | 2015-02-11 | 航天科工惯性技术有限公司 | For the pressure transducer of subsurface equipment |
-
2015
- 2015-09-18 CN CN201510597894.1A patent/CN105203255A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5827972A (en) * | 1993-11-02 | 1998-10-27 | Texas Instruments Incorporated | High pressure sensor apparatus with low cost compact packaging system |
| CN201326411Y (en) * | 2008-12-23 | 2009-10-14 | 杨习伟 | Underground measuring instrument structure of battery-free packaging oil well |
| CN201802395U (en) * | 2010-02-03 | 2011-04-20 | 吉艾科技（北京）股份公司 | Dual laterolog tool |
| CN203672552U (en) * | 2013-12-06 | 2014-06-25 | 天水华天传感器有限公司 | Pressure transmitter |
| CN204154434U (en) * | 2014-08-21 | 2015-02-11 | 航天科工惯性技术有限公司 | For the pressure transducer of subsurface equipment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676075A (en) * | 2016-08-02 | 2018-02-09 | 西安洛科电子科技有限责任公司 | Perforation pressure gauge |
| CN107676075B (en) * | 2016-08-02 | 2024-04-30 | 西安洛科电子科技股份有限公司 | Perforation pressure gauge |
| CN106703790A (en) * | 2017-01-19 | 2017-05-24 | 成都海川高科科技有限公司 | Downhole electronic pressure bomb |
| US10760989B2 (en) | 2018-05-16 | 2020-09-01 | Te Connectivity Corporation | Submersible transducer configured to impede fluid penetration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203729982U (en) | Input type liquid level and temperature integrated transmitter for deep well measurement | |
| CN202614327U (en) | Mining water level sensor | |
| CN105203255A (en) | Pressure sensor for underground measurement | |
| CN204679204U (en) | A kind of pressure unit | |
| CN105490076A (en) | Capacitive sensor lead sealing plug suitable for vacuum or high-voltage environment | |
| CN104122029A (en) | New-structured air pressure differential sensor assembly | |
| CN103743520A (en) | Pressure sensing device applied to high voltage environment | |
| CN103884399B (en) | Fluid level transmitter | |
| CN204064520U (en) | A kind of ratio-voltage pressure sensor output | |
| CN202974380U (en) | Liquid level transmitter | |
| CN203641728U (en) | Insulating joint for instrument pressure lead tube | |
| CN203288844U (en) | A single-core connector | |
| CN204154434U (en) | For the pressure transducer of subsurface equipment | |
| CN203230416U (en) | Small high-pressure-fluid-resistant resistivity sensor | |
| CN203702129U (en) | Four-parameter logger probe | |
| CN204257721U (en) | Battery short section | |
| CN103292919A (en) | Temperature measuring device with thermal resistor | |
| CN203132716U (en) | A thermometer heat conducting pipe containing a cambered or planar contact surface | |
| CN202938957U (en) | Piezoelectric sensor, and transmitter adopting the same | |
| CN202391418U (en) | Downhole tool connector suitable for drill collar connection | |
| CN204177525U (en) | A kind of radial pressure for underground quantity production mandrel demarcates dress | |
| CN105486730A (en) | Agricultural acid-base value detection apparatus | |
| CN205719381U (en) | Mud special pressure transmitter | |
| CN204854986U (en) | Thermocouple measurement line adaptor | |
| CN204924345U (en) | Gas table is got and is pressed pipe assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |
|
| RJ01 | Rejection of invention patent application after publication |