CN216277801U - Underground pressure regulating device - Google Patents
Underground pressure regulating device Download PDFInfo
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- CN216277801U CN216277801U CN202121928688.1U CN202121928688U CN216277801U CN 216277801 U CN216277801 U CN 216277801U CN 202121928688 U CN202121928688 U CN 202121928688U CN 216277801 U CN216277801 U CN 216277801U
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Abstract
The utility model relates to an underground pressure regulating device, wherein a battery pack, a circuit bracket, a pressure sensor, a driving module and an eccentric fixing seat are arranged on the inner side of a pressure bearing cylinder, the circuit bracket and the eccentric fixing seat are fastened and connected through bolts, the battery pack and a control circuit are arranged on two sides of the circuit bracket, a motor connecting seat, the driving module and a coupling are sequentially connected and arranged on one side of a main cavity of the eccentric fixing seat, and the pressure sensor is fixedly arranged on one side of the main cavity of the eccentric fixing seat; the pressure regulating plug, the fixed valve core, the sliding valve core, the guide sleeve, the ball screw and the pressure spring are arranged on the other side of the main cavity of the eccentric fixed seat; the end head and the pressing pad are fixedly arranged at the end part of the pressure-bearing cylinder close to the high-pressure chamber, and the connector is arranged at the end part of the pressure-bearing cylinder close to the low-pressure chamber. According to the underground pressure regulating device, the pressure value can be set through a computer according to the pressure requirements of the two air storage chambers, the temperature and the pressure value are measured in real time and stored, and the pressure value of the low-pressure chamber is kept within a set range.
Description
Technical Field
The utility model belongs to the field of petroleum underground instruments, and particularly relates to an underground pressure regulating device.
Background
The underground pressure regulating device is widely applied to the field of oil exploitation engineering and is used for realizing pressure regulation of an oil production well, so that dynamic balance of an oil body conveying system is realized, and safety and reliability of oil body conveying are guaranteed.
In practical application, the prior art most commonly adopts the adjustment of a single pressure chamber or the adjustment of two chambers respectively, wherein the former has low accuracy, and the latter has low automation degree and high energy consumption. How to improve the automation degree, real-time performance and precision degree of underground pressure regulation is a hotspot of research in the field.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a downhole pressure regulating device.
According to one aspect of the utility model, the underground pressure regulating device comprises an end head, a pressing pad, a pressure bearing cylinder, a battery pack, a circuit support, a pressure sensor, a driving module, an eccentric fixing seat, a connecting head, a pressure regulating plug, a fixed valve core, a sliding valve core, a guide sleeve, a ball screw, a pressure spring, a coupler, a motor connecting seat and a control circuit, wherein the battery pack, the circuit support, the pressure sensor, the driving module and the eccentric fixing seat are arranged on the inner side of the pressure bearing cylinder; the pressure regulating plug, the fixed valve core, the sliding valve core, the guide sleeve, the ball screw and the pressure spring are arranged on the other side of the main cavity of the eccentric fixed seat; the end head and the pressing pad are fixedly arranged at the end part of the pressure-bearing cylinder close to the high-pressure chamber, and the connector is arranged at the end part of the pressure-bearing cylinder close to the low-pressure chamber.
According to an exemplary embodiment of the present invention, the driving module includes a dc brushless motor and a speed reducer.
According to an exemplary embodiment of the present invention, one end of the connecting head is fixedly disposed in a gap between the pressure bearing cylinder and the eccentric fixing seat, and the other end of the connecting head is fixedly connected to the low pressure chamber.
According to an exemplary embodiment of the present invention, the pressure regulating block is disposed inside the connection head.
According to the exemplary embodiment of the utility model, the fixed valve core and the sliding valve core are arranged inside the pressure regulating plug.
According to an exemplary embodiment of the present invention, a screw nut and a compression spring are provided on an outer side of the ball screw in this order from inside to outside.
According to the exemplary embodiment of the utility model, one end of the guide sleeve is fixedly connected with the sliding valve core through a bolt, and the other end of the guide sleeve is fixedly connected with the screw nut and the pressure spring.
Compared with the prior art, the pressure regulating device in the pit can measure and store the pressure value of the low-pressure chamber in real time.
Drawings
FIG. 1 is a schematic structural view of a downhole pressure regulating device according to the present invention;
in the figure, 1-end, 2-pressing pad, 3-pressure bearing cylinder, 4-battery pack, 5-circuit support, 6-pressure sensor, 7-driving module, 8-eccentric fixing seat, 9-connecting head, 10-pressure regulating plug, 11-fixed valve core, 12-sliding valve core, 13-guide sleeve, 14-ball screw, 15-pressure spring, 16-coupler, 17-motor connecting seat, 18-control circuit, 19-high pressure chamber and 20-low pressure chamber.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments.
As shown in figure 1, the underground pressure regulating device comprises an end head 1, a pressing pad 2, a pressure-bearing cylinder 3, a battery pack 4, a circuit bracket 5, a pressure sensor 6, a driving module 7, an eccentric fixed seat 8, a connector 9, a pressure-regulating plug 10, a fixed valve core 11, a sliding valve core 12, a guide sleeve 13, a ball screw 14, a pressure spring 15, a coupler 16, a motor connecting seat 17 and a control circuit 18, the battery pack 4, the circuit bracket 5, the pressure sensor 6, the driving module 7 and the eccentric fixing seat 8 are arranged on the inner side of the pressure-bearing cylinder 3, the circuit bracket 5 and the eccentric fixing seat 8 are fastened and connected through bolts, the battery pack 4 and the control circuit 18 are arranged on two sides of the circuit bracket 5, the motor connecting seat 17, the driving module 7 and the coupler 16 are sequentially connected and arranged on one side of a main cavity of the eccentric fixing seat 8, and the pressure sensor 6 is fixedly arranged on one side of the main cavity of the eccentric fixing seat 8; the pressure regulating plug 10, the fixed valve core 11, the sliding valve core 12, the guide sleeve 13, the ball screw 14 and the pressure spring 15 are arranged on the other side of the main cavity of the eccentric fixed seat 8; the end head 1 and the pressing pad 2 are fixedly arranged at the end part of the pressure-bearing cylinder 3 close to the high-pressure chamber 19, and the connecting head 9 is arranged at the end part of the pressure-bearing cylinder 3 close to the low-pressure chamber 20).
The driving module 7 includes a dc brushless motor and a speed reducer.
One end of the connector 9 is fixedly arranged in a gap between the pressure-bearing cylinder 3 and the eccentric fixing seat 8, and the other end of the connector 9 is fixedly connected with the low pressure chamber 20.
The pressure regulating plug 10 is arranged on the inner side of the connector 9.
The fixed valve core 11 and the sliding valve core 12 are arranged inside the pressure regulating plug 10.
The outside of the ball screw 14 is provided with a screw nut and a pressure spring 15 in this order from the inside to the outside.
One end of the guide sleeve 13 is fixedly connected with the sliding valve core 12 through a bolt, and the other end of the guide sleeve 13 is fixedly connected with a screw nut and a pressure spring 15.
The operation principle of the underground pressure regulating device of the embodiment is as follows:
the pressure regulating device in pit of this embodiment installs pressure sensor according to the demand of adjusting the pressure of two gas reservoirs, uses computer connection port, and the accessible computer sets up the pressure value, but real-time measurement and storage temperature and pressure value to can improve pressure regulating device's regulatory action, make the pressure value of low pressure chamber keep in the settlement within range.
The pressure sensor 6 measures the pressure value of the low pressure chamber 20 in real time, and transmits the measured pressure value to the control circuit 18, when the measured pressure value is lower than the 'low pressure set value', the control circuit 18 controls the direct current brushless motor in the motor driving module 7 to rotate in the forward direction, and drives the ball screw 14 through the speed reducer, the ball screw 14 drives the sliding valve core 12 to move leftward, the valve port of the fixed valve core 11 is opened, and at the moment, the gas in the high pressure chamber 19 is supplemented to the low pressure chamber 20 through the valve port of the fixed valve core 11. The guide sleeve 12 prevents the screw nut on the ball screw 14 from rotating or shifting during axial movement. The screw nut can pull up the sliding valve core, so that the high-pressure chamber is communicated with the low-pressure chamber, and the effect of pressure compensation adjustment is achieved.
The pressure sensor 6 measures the pressure of the low pressure chamber 20 after pressure compensation in real time, when the measured pressure reaches a high pressure set value, the control circuit 18 controls the direct current brushless motor in the driving module 7 to rotate in the reverse direction and drive the ball screw 14 to rotate, the sliding valve core 12 moves rightwards to close the valve port, so that the high pressure chamber 19 and the low pressure chamber 20 are separated, and the aim of accurately regulating the pressure is fulfilled.
The underground pressure regulating device of the embodiment adopts the battery pack 4 to supply power, and the battery pack 4 meets the underground pressure regulating action for 10 times.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The underground pressure regulating device is characterized by comprising an end head, a pressing pad, a pressure bearing cylinder, a battery pack, a circuit support, a pressure sensor, a driving module, an eccentric fixing seat, a connector, a pressure regulating plug, a fixed valve core, a sliding valve core, a guide sleeve, a ball screw, a pressure spring, a coupler, a motor connecting seat and a control circuit, wherein the battery pack, the circuit support, the pressure sensor, the driving module and the eccentric fixing seat are arranged on the inner side of the pressure bearing cylinder; the pressure regulating plug, the fixed valve core, the sliding valve core, the guide sleeve, the ball screw and the pressure spring are arranged on the other side of the main cavity of the eccentric fixed seat; the end head and the pressing pad are fixedly arranged at the end part of the pressure-bearing cylinder close to the high-pressure chamber, and the connector is arranged at the end part of the pressure-bearing cylinder close to the low-pressure chamber.
2. The downhole pressure regulating device of claim 1, wherein the drive module comprises a dc brushless motor and a speed reducer.
3. The downhole pressure regulating device of claim 1, wherein one end of the connector is fixedly arranged in a gap between the pressure bearing cylinder and the eccentric fixing seat, and the other end of the connector is fixedly connected with the low pressure chamber.
4. The downhole pressure regulating device of claim 1, wherein the pressure regulating plug is disposed inside the connector.
5. The downhole pressure regulating device of claim 1, wherein the stationary valve spool and the sliding valve spool are disposed inside the pressure regulating plug.
6. The downhole pressure regulating device according to claim 1, wherein a screw nut and a compression spring are arranged on the outer side of the ball screw in sequence from inside to outside.
7. The downhole pressure regulating device of claim 1, wherein one end of the guide sleeve is fixedly connected with the sliding valve core through a bolt, and the other end of the guide sleeve is fixedly connected with the lead screw nut and the pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121928688.1U CN216277801U (en) | 2021-08-17 | 2021-08-17 | Underground pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121928688.1U CN216277801U (en) | 2021-08-17 | 2021-08-17 | Underground pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216277801U true CN216277801U (en) | 2022-04-12 |
Family
ID=81060552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121928688.1U Active CN216277801U (en) | 2021-08-17 | 2021-08-17 | Underground pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216277801U (en) |
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2021
- 2021-08-17 CN CN202121928688.1U patent/CN216277801U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220818 Address after: 100070, No. 39, No. 12, No. 188, South Fourth Ring Road, Beijing, Fengtai District Patentee after: BEIJING LIUHE GREATNESS TECHNOLOGY Co.,Ltd. Address before: 710018 room 2404, block B, Haiyi international, Fengcheng fifth road, economic and Technological Development Zone, Weiyang District, Xi'an City, Shaanxi Province Patentee before: Xi'an Tianke mingchuang Petroleum Technology Service Co.,Ltd. |