CN210049889U - Pressure monitoring and collecting device of pressure manifold - Google Patents
Pressure monitoring and collecting device of pressure manifold Download PDFInfo
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- CN210049889U CN210049889U CN201920475867.0U CN201920475867U CN210049889U CN 210049889 U CN210049889 U CN 210049889U CN 201920475867 U CN201920475867 U CN 201920475867U CN 210049889 U CN210049889 U CN 210049889U
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Abstract
The utility model discloses a pressure monitoring and collecting device of a pressure manifold, which relates to the technical field of petroleum and natural gas well control, the utility model discloses a flat valve and a special pressure collecting device which are connected with the pressure manifold in sequence, a pressure monitoring mechanism is installed on the special pressure collecting device, and the pressure monitoring mechanism comprises a plurality of pressure gauges or a plurality of pressure sensors; the utility model has the advantages of simple structure adopts many manometer or pressure sensor to monitor pressure, and pressure monitoring is more real.
Description
Technical Field
The utility model relates to an oil and gas well accuse technical field, more specifically is a pressure monitoring collection system who relates to a pressure manifold.
Background
The pressure manifold for the petroleum and natural gas engineering, such as a throttle manifold, a test process manifold, a fracturing manifold and the like, accurately monitors the pressure of a focus point of the pressure manifold in the construction process in real time during construction, and concerns about success and safety of construction operation.
In the prior art, the method is generally adopted as follows: and installing a cock at a manifold focus point, and installing a pressure gauge or a pressure sensor on the cock to focus on the manifold pressure in real time. However, this method has the following problems: firstly, the cock drift diameter is too small and may be blocked by plugging materials of fluid species or other particles, so that the real pressure in the manifold cannot be monitored, and misjudgment and accidents are caused; and secondly, a pressure gauge or a sensor is used for monitoring, so that pressure monitoring is not real easily due to the fault of the pressure gauge or the sensor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the present pressure monitoring method of installing manometer or pressure sensor on the cock and have that the cock probably causes the erroneous judgement by blockking up, the pressure monitoring of a manometer or sensor leads to the unreal problem of pressure monitoring easily because manometer or sensor trouble itself, the utility model provides a pressure monitoring collection system of pressure manifold.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme: a pressure monitoring and collecting device of a pressure manifold, which comprises a flat valve and a special pressure collecting device which are sequentially connected with the pressure manifold, the pressure acquisition special device is provided with a pressure monitoring mechanism, the pressure monitoring mechanism comprises a plurality of pressure gauges or a plurality of pressure sensors, specifically, the flat valve is opened firstly, then the pressure acquisition special device is adopted to acquire pressure, then the pressure monitoring mechanism is used to monitor pressure, because a plurality of pressure gauges or a plurality of pressure sensors are adopted, on one hand, the situation that the real pressure in the manifold cannot be monitored by one pressure gauge because the cock of one pressure gauge is blocked is avoided, on the other hand, the situation that the pressure monitoring is not real because one pressure gauge or one pressure sensor fails is also avoided, the flat valve is arranged in front of the special pressure acquisition device, so that the pressure acquisition device is convenient to overhaul and replace.
Further, the special pressure acquisition device comprises a flange body, the flange body is installed on a pipeline in a threaded connection or welding or clamping mode, the lower end of the flange body is provided with a large round hole communicated with an outlet of a flat valve, the diameter of the large round hole is larger than or equal to the outlet drift diameter of the flat valve, the side surface of the flange body is horizontally provided with a plurality of small round holes, one end of each small round hole is communicated with the atmosphere, the other end of each small round hole is communicated with the large round hole, the outer side of each small round hole is provided with a plug, the upper end of the flange body is vertically provided with a plurality of vertical through holes corresponding to the small round holes one by one, each vertical through hole is provided with a cock or a screw thread used for installing a pressure sensor, specifically, liquid or gas in a pressure manifold enters the small round holes and the vertical through holes through the large round holes, and the pressure sensor or the pressure, monitoring of the pressure of the liquid or gas within the pressure manifold is achieved.
Further, the pressure monitoring mechanism comprises pressure transmitters electrically connected with the pressure sensors in a one-to-one correspondence manner, the pressure gauge is installed on one of the vertical through holes through a cock, the pressure sensors are installed on the vertical through holes in a one-to-one correspondence manner through screw threads, the pressure transmitters are connected with a PLC (programmable logic controller), the PLC is connected with an interactive control panel, specifically, the pressure transmitters convert electric signals generated when the pressure sensors monitor the pressure in the pressure manifold into standard electric signals, then the standard electric signals are transmitted to the PLC, the PLC processes the received standard electric signals and then displays the processed electric signals on the interactive control panel, an operator can know the pressure in the pressure manifold in real time through the interactive control panel, and the PLC can also process the received standard electric signals and then outputs certain electric signals to control the execution mechanism to make corresponding actions, for controlling the pressure in the pressure manifold, for example, controlling a servo motor through a driver, and then driving a throttle valve to act through the servo motor, the PLC controller may process the received standard electrical signal as follows:
1. calculating the average value of the data monitored by all the pressure sensors at the same moment;
2. calculating the deviation degree of the data monitored by each pressure sensor from the average value;
3. if the number of the pressure sensors is three, after one data with the maximum deviation degree is removed, the average value of the remaining two data is taken as actually measured pressure data, if the number of the pressure sensors is more than three, at least one data with the minimum deviation degree and the maximum deviation degree is removed, and then the average value of the remaining data is taken as actually measured pressure data.
Furthermore, the flange body is provided with a pressure transmitter interface for mounting a pressure transmitter, and at the moment, the pressure transmitter and the pressure sensor are separately arranged.
Further, pressure transmitter establishes on pressure sensor, and at this moment, pressure transmitter and pressure sensor can be the integration setting, when having reduced the installation interface, also convenient to overhaul and change.
Further, flange body lower extreme is equipped with the steel ring seal groove with big round hole concentric, the steel ring seal groove is established in the big round hole outside, be equipped with the sealing washer in the steel ring seal groove, the steel ring seal groove passes through the sealing washer cover on the pipeline.
Further, the flat valve is a manual flat valve or a pneumatic flat valve or an electric flat valve.
The utility model has the advantages as follows:
1. the utility model has simple structure, adopts a plurality of pressure meters or a plurality of pressure sensors to monitor the pressure in the pressure manifold, on one hand, avoids the situation that the pressure monitoring is not true because the cock of one pressure meter is blocked, and the real pressure in the manifold can not be monitored by the pressure meter, on the other hand, avoids the situation that the pressure monitoring is not true because one pressure meter or one pressure sensor goes wrong, and the flat valve is arranged in front of the special pressure acquisition device, thereby being convenient for the maintenance and the replacement of the pressure acquisition device;
2. the utility model discloses a special device for pressure acquisition adopts the flange structure, and the flange structure includes the flange body, through seting up communicating big round hole, little round hole and vertical through-hole on the flange body, later install pressure sensor and manometer on vertical through-hole, later pressure sensor and manometer can contact the liquid or gas in the pressure manifold through vertical through-hole to monitor the real-time pressure in the pressure manifold;
3. the utility model discloses a pressure transmitter can convert the signal of telecommunication that pressure sensor monitoring produced into standard signal of telecommunication, later transmits the signal of telecommunication of standard to the PLC controller, later can convert the data of a plurality of pressure sensor monitoring into the pressure data of actual measurement after the processing of PLC controller;
4. the utility model discloses a pressure transmitter both can separately set up with pressure sensor, can set up with pressure sensor integrated into one piece again to adapt to different service environment, the commonality is high.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the front view structure of the special device for pressure acquisition of the present invention;
FIG. 3 is a schematic view of the top view structure of the special device for pressure acquisition of the present invention;
fig. 4 is a schematic structural view in the direction of a-a of fig. 2 according to the present invention;
fig. 5 is a schematic structural view of the present invention in the direction B-B of fig. 2;
FIG. 6 is a logic diagram of the pressure monitoring mechanism of the present invention;
reference numerals: the pressure measuring device comprises a pressure manifold 1, a flat valve 2, a pressure collecting special device 3, a pressure gauge 4, a pressure sensor 5, a flange body 6, a small round hole 7, a steel ring sealing groove 8, a large round hole 9, a vertical through hole 10, a pressure transmitter interface 11, a cock 12, a screw 13, a screw plug 14, a pressure transmitter 15, a PLC 16 and an interactive control panel 17.
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, the embodiment provides a pressure monitoring and collecting device of a pressure manifold, which comprises a flat valve 2 and a special pressure collecting device 3 sequentially connected to the pressure manifold 1, wherein a pressure monitoring mechanism is installed on the special pressure collecting device 3, the pressure monitoring mechanism comprises a plurality of pressure gauges 4 or a plurality of pressure sensors 5, specifically, the flat valve 2 is opened first, then the special pressure collecting device 3 is used for collecting pressure, and then the pressure monitoring mechanism is used for monitoring pressure, because the pressure gauges 4 or the plurality of pressure sensors 5 are used, on one hand, the situation that the real pressure in the manifold cannot be monitored by the pressure gauge 4 because the cock 12 of one pressure gauge 4 is blocked is avoided, on the other hand, the situation that the pressure cannot be monitored because one pressure gauge 4 or one pressure sensor 5 fails is also avoided, the flat valve 2 is arranged in front of the special pressure collecting device 3, and the pressure acquisition device is convenient to overhaul and replace.
Example 2
As shown in fig. 2-5, this embodiment is further improved on the basis of embodiment 1, and specifically, the special pressure acquisition device 3 includes a flange body 6, the flange body 6 is installed on the pipeline by means of threaded connection or welding or clamping, a large circular hole 9 communicated with the outlet of the flat valve 2 is formed at the lower end of the flange body 6, the diameter of the large circular hole 9 is greater than or equal to the diameter of the outlet of the flat valve 2, a plurality of small circular holes 7 are horizontally formed in the side surface of the flange body 6, one end of each small circular hole 7 is communicated with the atmosphere, the other end of each small circular hole 7 is communicated with the large circular hole 9, a plug 14 is arranged outside each small circular hole 7, a plurality of vertical through holes 10 corresponding to the small circular holes 7 one by one are vertically formed at the upper end of the flange body 6, each vertical through hole 10 is provided with a cock 12 or a screw 13 for, specifically, liquid or gas in the pressure manifold 1 enters the small round hole 7 and the vertical through hole 10 through the large round hole 9, and the pressure sensor 5 or the pressure gauge 4 monitors the pressure of the liquid or the gas in the pressure manifold 1 by contacting the liquid or the gas in the vertical through hole 10.
Example 3
As shown in fig. 1-6, this embodiment is further improved on the basis of embodiment 1, specifically, the pressure monitoring mechanism includes pressure transmitters 15 electrically connected to the pressure sensors 5 in a one-to-one correspondence manner, the pressure gauge 4 is installed on one of the vertical through holes 10 through the cock 12, the pressure sensors 5 are installed on the vertical through holes 10 in a one-to-one correspondence manner through the screw threads 13, the pressure transmitters 15 are connected to the PLC controller 16, the PLC controller 16 is connected to the interactive control panel 17, specifically, the pressure transmitters 15 convert the electrical signal generated when the pressure sensors 5 monitor the pressure in the pressure manifold 1 into a standard electrical signal, and then transmit the standard electrical signal to the PLC controller 16, the PLC controller 16 processes the received standard electrical signal and then displays the processed signal on the interactive control panel 17, so that an operator can know the pressure in the pressure manifold 1 in real time through the interactive control panel 17, the PLC controller 16 may also process the received standard electrical signal and then output a certain electrical signal to control the actuator to perform a corresponding action, so as to control the pressure in the pressure manifold 1, for example, a driver controls a servo motor, and then the servo motor drives a throttle valve to act, where the PLC controller 16 may process the received standard electrical signal as follows:
1. calculating the average value of the data monitored by all the pressure sensors 5 at the same moment;
2. calculating the deviation degree of the data monitored by each pressure sensor 5 from the average value;
3. if the number of the pressure sensors 5 is three, after one data with the maximum deviation degree is removed, the average value of the remaining two data is taken as actually measured pressure data, if the number of the pressure sensors 5 is more than three, at least one data with the minimum deviation degree and the maximum deviation degree is removed, and then the average value of the remaining data is taken as actually measured pressure data.
Example 4
As shown in fig. 2 to 5, this embodiment is further improved on the basis of embodiment 3, specifically, a pressure transmitter 15 interface 11 for installing a pressure transmitter 15 is arranged on the flange body 6, and at this time, the pressure transmitter 15 and the pressure sensor 5 are separately arranged.
Example 5
As shown in fig. 2 to 5, this embodiment is further improved on the basis of embodiment 3, specifically, the pressure transmitter 15 is disposed on the pressure sensor 5, and at this time, the pressure transmitter 15 and the pressure sensor 5 may be integrally disposed, so that the number of mounting interfaces is reduced, and the maintenance and the replacement are also facilitated.
Example 6
As shown in fig. 2-5, this embodiment is further improved on the basis of embodiment 1, specifically, a steel ring sealing groove 8 concentric with a large circular hole 9 is disposed at the lower end of the flange body 6, the steel ring sealing groove 8 is disposed outside the large circular hole 9, a sealing ring is disposed in the steel ring sealing groove 8, and the steel ring sealing groove 8 is sleeved on the pipeline through the sealing ring.
Example 7
As shown in fig. 1 to 6, this embodiment is further improved on the basis of embodiment 1, and specifically, the flat valve 2 is a manual flat valve, a pneumatic flat valve or an electric flat valve.
Claims (6)
1. The pressure monitoring and collecting device of the pressure manifold is characterized by comprising a flat valve (2) and a special pressure collecting device (3) which are sequentially connected with the pressure manifold (1), wherein a pressure monitoring mechanism is installed on the special pressure collecting device (3), the pressure monitoring mechanism comprises a plurality of pressure gauges (4) or a plurality of pressure sensors (5), the special pressure collecting device (3) comprises a flange body (6), a large round hole (9) communicated with an outlet of the flat valve (2) is formed in the lower end of the flange body (6), the diameter of the large round hole (9) is larger than or equal to the outlet diameter of the flat valve (2), a plurality of small round holes (7) are horizontally formed in the side surface of the flange body (6), one end of each small round hole (7) is communicated with the atmosphere, the other end of each small round hole (9) is communicated with the large round hole, a plug (14) is arranged on the outer side of each small round hole (7), the flange is characterized in that a plurality of vertical through holes (10) corresponding to the small round holes (7) one to one are vertically formed in the upper end of the flange body (6), and each vertical through hole (10) is provided with a cock (12) or a screw thread (13) for installing a pressure sensor (5).
2. The pressure monitoring and collecting device of the pressure manifold as claimed in claim 1, wherein the pressure monitoring mechanism comprises pressure transmitters (15) electrically connected with the pressure sensors (5) in a one-to-one correspondence manner, the pressure gauge (4) is installed on one of the vertical through holes (10) through a cock (12), the pressure sensors (5) are installed on the vertical through holes (10) in a one-to-one correspondence manner through screws (13), the pressure transmitters (15) are connected with a PLC controller (16), and the PLC controller (16) is connected with an interactive control panel (17).
3. The pressure monitoring and collecting device of the pressure manifold as claimed in claim 2, wherein the flange body (6) is provided with a pressure transmitter (15) interface (11) for mounting a pressure transmitter (15).
4. Pressure monitoring and collecting device of a pressure manifold according to claim 2, characterized in that the pressure transmitter (15) is arranged on the pressure sensor (5).
5. The pressure monitoring and collecting device of the pressure manifold as claimed in any one of claims 1 to 4, wherein the lower end of the flange body (6) is provided with a steel ring sealing groove (8) concentric with the large circular hole (9), and the steel ring sealing groove (8) is arranged outside the large circular hole (9).
6. A pressure monitoring and collecting device of a pressure manifold according to any of claims 1-4, characterized in that the plate valve (2) is a manual plate valve or a pneumatic plate valve or an electric plate valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920475867.0U CN210049889U (en) | 2019-04-10 | 2019-04-10 | Pressure monitoring and collecting device of pressure manifold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920475867.0U CN210049889U (en) | 2019-04-10 | 2019-04-10 | Pressure monitoring and collecting device of pressure manifold |
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| CN210049889U true CN210049889U (en) | 2020-02-11 |
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| CN201920475867.0U Active CN210049889U (en) | 2019-04-10 | 2019-04-10 | Pressure monitoring and collecting device of pressure manifold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609890A (en) * | 2020-06-17 | 2020-09-01 | 西南石油大学 | Fracturing manifold working condition monitoring, service life prediction and feedback regulation and control system |
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2019
- 2019-04-10 CN CN201920475867.0U patent/CN210049889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609890A (en) * | 2020-06-17 | 2020-09-01 | 西南石油大学 | Fracturing manifold working condition monitoring, service life prediction and feedback regulation and control system |
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