CN212871586U - Novel special pressure transmitter in oil field - Google Patents
Novel special pressure transmitter in oil field Download PDFInfo
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- CN212871586U CN212871586U CN202021174944.8U CN202021174944U CN212871586U CN 212871586 U CN212871586 U CN 212871586U CN 202021174944 U CN202021174944 U CN 202021174944U CN 212871586 U CN212871586 U CN 212871586U
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Abstract
The utility model discloses a novel special pressure transmitter for oil field, relating to the technical field of pressure transmitter, solving the technical problems that the prior pressure transmitter applied to the oil field is easy to be damaged and can not immediately provide a corresponding detecting device for replacement, and the like, the utility model comprises a connecting nozzle, the lower end of the connecting nozzle is provided with a high-pressure hole, a connecting pipe made of stainless steel is fixedly arranged above the outer hexagonal hole, a medium through hole is formed in the connecting pipe, the medium through hole is a through hole and communicated with the high-pressure hole of the connecting nozzle, the lower end of the connecting pipe is connected with the outer hexagonal hole, the upper end of the connecting pipe is provided with a two-position three-way valve, an inlet of the two-position three-way valve is communicated with the medium through hole, the pressure sensor comprises a left side pressure sensor and a right side pressure sensor, and the left side pressure sensor and the right side pressure sensor are respectively; the utility model discloses a function of two pressure sensor's fast switch over.
Description
Technical Field
The utility model relates to a pressure transmitter technical field, more specifically relate to a novel special pressure transmitter in oil field.
Background
The temperature and pressure sensor is the most common pressure transmitter in industrial practice, is widely applied to various industrial automatic control environments, and relates to petroleum pipelines, water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrifaction, oil wells, electric power, ships, machine tools, pipeline air supply, boilers, smelting furnaces and other industries.
The high-temperature pressure sensor is used for measuring the pressure of various gases and liquids in a high-temperature environment. The device is mainly used for measuring the pressure in boilers, pipelines and high-temperature reaction containers, the underground pressure, the pressure in various engine cavities, the liquid level and detection of high-temperature oil products, the pressure measurement of oil wells and other fields. The high-temperature pressure sensors that have been studied relatively frequently include semiconductor sensors such as SOS, SOI, SiO2, and Poly2Si, as well as sputtered alloy thin film high-temperature pressure sensors, high-temperature optical fiber pressure sensors, and high-temperature capacitive pressure sensors. Compared with a piezoresistive pressure sensor, the semiconductor capacitive pressure sensor has the advantages of high sensitivity, good temperature stability, low power consumption, sensitivity to pressure and insensitivity to stress, so that the capacitive pressure sensor is widely applied to many fields.
The high-temperature pressure sensor is composed of a silicon diaphragm, a substrate, a lower electrode and an insulating layer. Wherein the lower electrode is located on a thick-supported substrate. And evaporating and plating an insulating layer on the electrode. The silicon diaphragm is formed by etching from the front and back sides of a silicon wafer by using an anisotropic etching technique. The gap between the upper and lower electrodes is determined by the etch depth of the silicon wafer. The silicon diaphragm and the substrate are bonded together by bonding technology to form the silicon diaphragm capacitance pressure sensor with certain stability
When the pressure transmitter is used in occasions such as oil fields, the service life of the pressure transmitter is short in other industrial occasions, however, the frequent replacement of the pressure transmitter increases the labor force, so that when the pressure transmitter is damaged, the corresponding product cannot be immediately found for replacement, and risks are brought to the whole oil field, for example, accidents such as blowout and the like which harm the personal safety can be caused due to overlarge pressure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the existing pressure transmitter applied to the oil field is easy to damage and cannot provide corresponding detection devices immediately for replacing and other technologies, the utility model provides a novel special pressure transmitter for the oil field.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a novel special pressure transmitter in oil field, including connecting the mouth, outer hexagonal and pressure sensor, outer hexagonal is fixed to be set up at connecting the mouth upper end, it is provided with the high-pressure hole that runs through the connection mouth to connect the mouth lower extreme, pressure sensor sets up hexagonal top outside, the fixed connecting pipe that is provided with stainless steel in outer hexagonal top, be provided with the medium clearing hole in the connecting pipe, the medium clearing hole is the through-hole, medium clearing hole and the high-pressure hole switch-on of connecting the mouth, the connecting pipe lower extreme is connected with outer hexagonal, the connecting pipe upper end is provided with two three-way valves, you feed through with the medium clearing hole in two-way valve's entry, pressure sensor includes left side pressure sensor and right side pressure sensor, left side pressure.
Furthermore, a plurality of radiating fins are fixedly arranged on the outer circle of the connecting pipe.
Furthermore, the radiating fins are annular steel sheets, the radiating fins are sleeved on the outer circle of the connecting pipe, and the radiating fins are welded with the connecting pipe.
Further, the left side pressure sensor and the right side pressure sensor are both flat membrane pressure sensors.
Further, the connection mouth is cylindrical structure, is provided with the external screw thread on connecting the mouth excircle, and the high-pressure bore is cylinder screw hole or through-hole or circular cone screw hole.
The utility model has the advantages as follows:
1. owing to set up two-position three-way valve, left side pressure sensor normally works when the left export of two-position three-way valve switches on with the entry, when left side pressure sensor can't normally work, switch two-position three-way valve, let the export on two-position three-way valve right side and entry switch on, right side pressure sensor replaces the left side pressure sensor who damages and continues to monitor the petroleum pipeline at this moment, realized utilizing reserve pressure sensor to replace the pressure sensor who has damaged fast, reduce the blank time of no pressure monitoring device that the change pressure transmitter brought, improve the pressure monitoring security performance of whole petroleum pipeline.
2. Through setting up the fin, be convenient for through the high temperature medium of connecting pipe under the fin effect, increase with the area of contact of air, improve heat exchange rate, played the effect that reduces high temperature medium temperature to improve left side pressure sensor and right side pressure sensor's life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view of the valve body;
fig. 3 is a sectional view of the valve cartridge.
Reference numerals: 1-connecting nozzle, 2-outer hexagon, 3-heat spreading sheet, 4-connecting pipe, 5-medium through hole, 6-valve body, 7-total flow hole, 8-left side shunt hole, 9-valve core, 10-left side valve hole, 11-left side pressure sensor, 12-right side pressure sensor, 13-right side valve hole, 14-right side shunt hole and 15-valve core hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a novel special pressure transmitter for oil field, which comprises a connecting nozzle 1, outer hexagonal 2 and pressure sensor, outer hexagonal 2 is fixed to be set up in connecting 1 upper end of mouth, connect 1 lower extreme of mouth to be provided with the high-pressure hole that runs through connecting mouth 1, pressure sensor sets up in outer hexagonal 2 top, the fixed connecting pipe 4 that is provided with stainless steel material in outer hexagonal 2 top, be provided with medium clearing hole 5 in the connecting pipe 4, medium clearing hole 5 is the through-hole, medium clearing hole 5 and the high-pressure hole switch-on of connecting mouth 1, the connecting pipe 4 lower extreme is connected with outer hexagonal 2, the connecting pipe 4 upper end is provided with two-position three-way valve, the entry of two-position three-way valve you communicates with medium clearing hole 5, pressure sensor includes left side pressure sensor 11 and right side pressure sensor 12, left side pressure sensor 11 and right side pressure sensor 12.
Example 2
As shown in fig. 1 to 3, the two-position three-way valve includes a valve body 6, the valve body 6 is set to be formed by a cuboid or a cube, the lower end of the valve body 6 is provided with a connecting pipe mounting hole, the connecting pipe mounting hole is a threaded hole, the upper end of the connecting pipe 4 is provided with an external thread matched with the connecting pipe mounting hole, the upper end of the connecting pipe 4 is provided with a left outlet and a right outlet, the left outlet and the right outlet are all communicated with the connecting pipe mounting hole, the right side of the valve body 6 is provided with a valve core hole 15, the upper side wall of the valve core hole 15 is communicated with the left outlet and the right outlet respectively, the lower side wall of the valve core hole 15 is communicated with the connecting pipe mounting hole, a valve core 9 is arranged in the valve core hole 15, the valve core 9 is provided with a left valve hole 10 and a right.
The left side face of the valve body 6 is provided with a total flow hole 7, the left end of the total flow hole 7 is provided with a left shunt hole 8, the right end of the total flow hole 7 is provided with a right shunt hole 14, the total flow hole 7 is positioned below the valve core hole 15, the total flow hole 7 is communicated with the connecting pipe mounting hole, the left shunt hole 8 and the right shunt hole 14 respectively correspond to the left outlet and the right outlet, and meanwhile, the left shunt hole 8 and the right shunt hole 14 are communicated with the valve core hole 15.
The total flow hole 7 can be a counter bore or a through hole, so that the processing and the manufacturing are convenient, and the orifice of the total flow hole 7 needs to be plugged by a plug, so that the medium leakage is avoided.
One end of the valve core 9 is positioned in the valve core hole 15, the other end of the valve core 9 extends out of the valve core hole 15, and a hexagonal hole is formed in the end face of one end of the valve core 9 extending out of the valve core hole 15, so that the valve core 9 can be conveniently screwed by using an inner hexagonal wrench.
Example 3
As shown in fig. 1 to 3, the present embodiment provides a novel special pressure transmitter for oil field, which comprises a connecting nozzle 1, outer hexagonal 2 and pressure sensor, outer hexagonal 2 is fixed to be set up in connecting 1 upper end of mouth, connect 1 lower extreme of mouth to be provided with the high-pressure hole that runs through connecting mouth 1, pressure sensor sets up in outer hexagonal 2 top, the fixed connecting pipe 4 that is provided with stainless steel material in outer hexagonal 2 top, be provided with medium clearing hole 5 in the connecting pipe 4, medium clearing hole 5 is the through-hole, medium clearing hole 5 and the high-pressure hole switch-on of connecting mouth 1, the connecting pipe 4 lower extreme is connected with outer hexagonal 2, the connecting pipe 4 upper end is provided with two-position three-way valve, the entry of two-position three-way valve you communicates with medium clearing hole 5, pressure sensor includes left side pressure sensor 11 and right side pressure sensor 12, left side pressure sensor 11 and right side pressure sensor 12.
A plurality of radiating fins 3 are fixedly arranged on the excircle of the connecting pipe 4, the radiating fins 3 are annular steel sheets, the radiating fins 3 are sleeved on the excircle of the connecting pipe 4, and the radiating fins 3 are welded with the connecting pipe 4. The left pressure sensor 11 and the right pressure sensor 12 are both flat film pressure sensors. Connect mouth 1 and be cylindrical structure, be provided with the external screw thread on connecting mouth 1 excircle, the high-pressure port is cylinder screw hole or through-hole or circular cone screw hole.
Claims (5)
1. A novel special pressure transmitter for oil fields comprises a connecting nozzle (1), an outer hexagon (2) and a pressure sensor, wherein the outer hexagon (2) is fixedly arranged at the upper end of the connecting nozzle (1), the lower end of the connecting nozzle (1) is provided with a high-pressure hole penetrating through the connecting nozzle (1), the pressure sensor is arranged above the outer hexagon (2), the novel special pressure transmitter is characterized in that a connecting pipe (4) made of stainless steel is fixedly arranged above the outer hexagon (2), a medium through hole (5) is arranged in the connecting pipe (4), the medium through hole (5) is a through hole, the medium through hole (5) is communicated with the high-pressure hole of the connecting nozzle (1), the lower end of the connecting pipe (4) is connected with the outer hexagon (2), a two-position three-way valve is arranged at the upper end of the connecting pipe (4), an inlet of the two-position three-way valve is communicated with the medium through hole, the left pressure sensor (11) and the right pressure sensor (12) are respectively connected with two outlet ends of the two-position three-way valve.
2. The novel special pressure transmitter in the oil field of claim 1, characterized in that a plurality of cooling fins (3) are fixedly arranged on the outer circle of the connecting pipe (4).
3. The novel special pressure transmitter for the oilfield according to claim 2, wherein the heat sink (3) is an annular steel sheet, the heat sink (3) is sleeved on the outer circle of the connecting pipe (4), and the heat sink (3) is welded with the connecting pipe (4).
4. The novel dedicated pressure transmitter in oil field according to claim 1, characterized in that the left side pressure sensor (11) and the right side pressure sensor (12) are both flat membrane pressure sensors.
5. The novel special pressure transmitter in oil field of claim 1, characterized in that, the connection mouth (1) is a cylindrical structure, the connection mouth (1) is provided with external screw thread on the excircle, and the high pressure hole is a cylindrical threaded hole or a through hole or a conical threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021174944.8U CN212871586U (en) | 2020-06-23 | 2020-06-23 | Novel special pressure transmitter in oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021174944.8U CN212871586U (en) | 2020-06-23 | 2020-06-23 | Novel special pressure transmitter in oil field |
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| CN212871586U true CN212871586U (en) | 2021-04-02 |
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| CN202021174944.8U Active CN212871586U (en) | 2020-06-23 | 2020-06-23 | Novel special pressure transmitter in oil field |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203517A (en) * | 2021-04-26 | 2021-08-03 | 上海冉能自动化科技有限公司 | Air pressure detection method |
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2020
- 2020-06-23 CN CN202021174944.8U patent/CN212871586U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113203517A (en) * | 2021-04-26 | 2021-08-03 | 上海冉能自动化科技有限公司 | Air pressure detection method |
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