CN216043638U - Oil pipe pressure sign indicating number branch accuse liquid way device - Google Patents
Oil pipe pressure sign indicating number branch accuse liquid way device Download PDFInfo
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- CN216043638U CN216043638U CN202122436879.2U CN202122436879U CN216043638U CN 216043638 U CN216043638 U CN 216043638U CN 202122436879 U CN202122436879 U CN 202122436879U CN 216043638 U CN216043638 U CN 216043638U
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Abstract
The utility model provides an oil pipe pressure sign indicating number divides accuse liquid circuit device, includes signal receiving mechanism and liquid circuit intercommunication drive control mechanism, signal receiving mechanism includes the group battery, compresses tightly sealing rod, pressure sensor and pressure sensor transmission circuit, liquid circuit intercommunication drive control mechanism includes solenoid valve and solenoid valve control circuit, pressure sensor transmission circuit with solenoid valve control circuit installs on same circuit board, the group battery compress tightly sealing rod pressure sensor the solenoid valve with circuit board encapsulation is internal with same originally. The utility model has simple structure, reliable sealing, easy installation and convenient field operation and construction; the hydraulic control tool of any layer under the well can be accurately positioned and controlled; the device can be used in series, the number of control layers is large, the efficiency is high, multiple layers can be controlled simultaneously, and the operation cost of layered layer changing is low.
Description
Technical Field
The utility model relates to an oil exploitation underground tool, in particular to an oil pipe weight-pressing sub-control liquid path device.
Background
At present, in a hydraulic control separate layer water injection and oil extraction process tubular column of an oil exploitation well, an underground hydraulic control sliding sleeve is controlled by two pipelines, and a hydraulic control packer is controlled by one pipeline. The underground hydraulic control layering process has the defects or shortcomings that the number of oil layers is increased, the number of control pipelines put into a well is increased, so that the number of pipelines in the well is increased, the working procedure is complicated, the construction difficulty is high, the number of pipelines is increased, the material consumption is high, the cost is high, and the like.
In the prior art, CN207080211U discloses a hydraulic control multistage separate-zone water injection string, which comprises a casing, a separate-zone sand control completion string and a separate-zone water injection string sequentially arranged from outside to inside, wherein the separate-zone sand control completion string comprises a top packer, an upper blind pipe, an upper sieve pipe, an isolation packer, a lower blind pipe, a lower sieve pipe and a sand setting packer which are sequentially connected from top to bottom, the separate-zone water injection string comprises an oil pipe hanger, a downhole safety valve, a sliding sleeve and a round blocking guide shoe which are sequentially connected from top to bottom, the downhole safety valve is connected with a safety valve hydraulic control pipeline, a hydraulic control pipeline 1301 is connected between the sliding sleeve and the round blocking guide shoe in series through the oil pipe for positioning and sealing, a first multi-gear hydraulic control water distributor, a hydraulic control pipeline inserting seal and a second multi-gear hydraulic control water distributor, and both the first multi-gear hydraulic control water distributor and the second multi-gear hydraulic control water distributor are connected with a water distributor hydraulic control pipeline.
CN111005703A discloses an offshore oilfield separate-layer sand control separate-layer water injection integrated tubular column and a method, wherein the integrated tubular column comprises a sand control tubular column and a water injection tubular column, the sand control tubular column and the water injection tubular column are independent tubular columns, the water injection tubular column is positioned inside the sand control tubular column, and the upper ends of the sand control tubular column and the water injection tubular column are simultaneously connected with a penetrating type Y445 releasing packer.
CN209129581U discloses a downhole hydraulic control multi-gear hydraulic control sliding sleeve, wherein an upper shell is fixed at the top end of a lower shell, the top end of the upper shell penetrates through the upper shell and is provided with a first hydraulic pipeline and a second hydraulic pipeline, and the inner wall of the lower shell is provided with a reversing guide groove; a hydraulic piston is fixed on the outer wall of the central tube positioned in the upper shell, a reversing step is fixed on the outer wall of the central tube positioned in the lower shell, and a central tube positioning step is also fixed on the outer wall of the central tube positioned in the lower shell; a sliding sleeve is fixed at the bottom end of the central tube, and a central tube overflowing hole is formed in one side of the sliding sleeve; the ladder limiting cylinder is fixed at the bottom end of the inner wall of the lower shell, and a limiting step is arranged at the top end of the ladder limiting cylinder.
CN111287716A discloses an offshore oilfield downhole flow-assisting stratified water injection pipe column, which comprises an outer pipe, an inner pipe, a pipe anchor, a packer, a Y-joint three-way structure, an electric submersible pump, a seat joint and a production blanking plug, wherein the device is provided with a double-layer pipe structure, an overflowing channel is added, the functions of water production and stratified water injection are realized by using a single well, and the well slot space is saved for a platform; the underground pressurizing water injection is carried out through the electric submersible pump, the water injection pressure is increased, the ground flow is simplified, and the utilization of platform space is reduced; the designed bridge type side-measuring and side-adjusting working barrel meets the layered water injection requirement under the condition of double-layer pipes, and ensures the success rate of water injection and allocation.
However, the technical scheme has the problems of complex composition, difficult installation and complex downhole operation procedure, and cannot be popularized and used in an oil field system in a large area.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an oil pipe pressure code sub-control liquid path device, which adopts a hydraulic control pipeline 13 to supply pressure to all underground hydraulic control tools.
The high-pressure oil in the hydraulic control pipeline passes through a liquid channel in the hydraulic control device to control a lower hydraulic control tool, so that hydraulic control setting layering or flow adjustment is realized. The method comprises the following steps that hydraulic pressure codes are pressed to a downhole hydraulic control code pressing sub-control device through an oil pipe, after the hydraulic pressure codes are pressed to a pressure value (exceeding the static liquid column pressure of the depth of the device), the pressure is stabilized and timed for a certain time, then the pressure is relieved, a pressure sensor measures pressure data and transmits the pressure data to a circuit board, and a circuit control system is awakened; the oil pipe is pumped to another pressure value again, the pressure is stabilized and is timed, the pressure relief is stopped for a rated time (time period) after repeated times, meanwhile, a pressure sensor in the device transmits a plurality of pressure values to a circuit board in the device, an analysis circuit screens parameters according to the transmitted pressure value sequence and time intervals among the values to form a pressure code sequence, the pressure code sequence is compared and judged with a preset pressure code, if the pressure values are the same, an electromagnetic valve is started, a liquid channel is opened, a liquid inlet hole is communicated with a liquid outlet hole, a hydraulic control pipeline 13 is connected with a wellhead to pump continuous hydraulic pressure to realize seat deblocking (a packer) or a flow switch (a sliding sleeve) with a hydraulic control tool behind the device, and when the pressure measured by the pressure sensor obtained by the circuit board is stabilized at a certain value and exceeds a period of time, a control circuit starts the electromagnetic valve to close the liquid channel.
The oil pipe pressure code branch control liquid path device comprises a battery pack, a pressing sealing rod, a pressure sensor, a circuit board, an electromagnetic valve, a sealing plug and a body. The battery pack, the pressing sealing rod, the pressure sensor and the pressure sensor transmitting circuit on the circuit board form a signal receiving mechanism, the electromagnetic valve control circuit on the circuit board, the electromagnetic valve coil, the electromagnetic valve body and the electromagnetic valve liquid inlet and outlet form a liquid path communication driving control mechanism, and the opening and closing of a liquid path channel are determined by the opening and closing of the electromagnetic valve.
The upper end and the lower end of the oil pipe pressure code sub-control liquid path device body are connected with a hydraulic control pipeline 13 through pressure nails, hydraulic control pressure is transmitted, and the pressure is pressed or released for a hydraulic control tool below.
The battery pack, the battery plug, the spring, the pressing sealing rod, the pressure sensor, the circuit board and the electromagnetic valve coil are sequentially arranged in the body, and the lower end of the valve body is fixed through the sealing plug.
The battery pack is characterized in that a battery barrel is arranged outside the battery pack and is in threaded connection with the body.
The battery pack is fixed in the battery barrel through a battery plug and a spring.
The pressure sensor is arranged in a pressure sensor mounting hole on the left side of the body.
The circuit board is provided with a battery pack voltage stabilizing circuit, a pressure sensing identification circuit and an electromagnetic valve control circuit.
The wiring of the battery pack is connected with the battery voltage stabilizing circuit, and the pressure sensor is connected with the wiring of the pressure sensing identification circuit.
The center tube is equipped with the fixed group battery position of battery barrel spacing step on the body.
The central tube on the body is provided with a spring step for fixing the position of the spring.
The central tube on the body is provided with a working hole for hooking the pressure sensor and positioning and mounting the pressure sensor.
The working hole that the center tube set up on the body is also the mounting hole that compresses tightly the sealing rod.
The central tube on the body is provided with a through hole larger than the outer diameter of the pressure sensor.
The body is provided with a circuit board slotted hole in the central tube for installing the circuit board.
The central tube on the body is provided with a liquid inlet ring communicated with a liquid inlet on the valve body.
The central tube on the body is provided with a liquid outlet ring communicated with a liquid outlet on the valve body.
The central tube on the body is provided with a limiting step for fixing the position of the sealing plug.
After the pressure sensor of the oil pipe pressure code division control liquid path device is connected to a circuit board through an electric wire outside the body, the pressure sensor is pressed into the body along with the circuit board, a solenoid valve coil and a valve body to be in place, the pressure sensor is pulled out through a working hole in the body by using a draw hook and is inserted into a pressure sensor mounting hole after rotating 90 degrees, then a battery plug cable and a cable in a battery voltage stabilizing circuit on the circuit board are connected, and a compression sealing rod is mounted on the working hole and compresses the pressure sensor.
The utility model has simple structure, reliable sealing, easy installation and convenient field operation and construction; the hydraulic control tool of any layer under the well can be accurately positioned and controlled; the device can be used in series, the number of control layers is large, the efficiency is high, multiple layers can be controlled simultaneously, and the operation cost of layered layer changing is low.
Drawings
FIG. 1 is a schematic structural view of an oil pipe weight sub-control liquid path device according to the present invention;
FIG. 2 is a left side view of the oil pipe weight sub-control fluid path device of the present invention;
FIG. 3 is a right side view of the oil pipe weight sub-control fluid path device of the present invention;
FIG. 4 is a cross-sectional view of the oil pipe weight sub-control fluid path device of the present invention;
FIG. 5 is a schematic diagram of an application pipe column of an embodiment of the oil pipe weight branch control liquid path device according to the present invention;
fig. 6-9 are schematic diagrams of different coding embodiments of the oil pipe hydraulic pressure of the utility model.
Detailed Description
In order to clearly understand the purpose and effect of the technical features of the present invention, the technical solution will now be described in further detail by way of specific embodiments with reference to the accompanying drawings.
Referring to fig. 1, the oil-water well down-hole oil pipe pressure code division control liquid path device comprises a battery pack 1, a battery plug 2, a body 3, a compaction sealing rod 4, a pressure sensor 5, a circuit board 6, an electromagnetic valve coil 7, a valve body 8 and a sealing plug 9. The battery pack 1 is installed in the battery barrel 101, the battery barrel 101 is in threaded connection with the body 3, a battery plug 2 and a spring 201 are arranged between the battery barrel 101 and the body 3, a compression sealing rod 4, a pressure sensor 5, a circuit board 6 and an electromagnetic valve coil 7 are pressed, the valve body 8 is sequentially installed in the body 3, and the lower end of the valve body is fixed through a sealing plug 9.
Referring to fig. 1, the battery pack 1 supplies power to the circuit board 6 through the battery plug 2, the pressure sensor 5 transmits a pressure signal to the circuit board 6, the circuit board 6 is provided with a battery voltage stabilizing circuit 601, a pressure sensor transmitting circuit 602 and an electromagnetic valve control circuit 603, the electromagnetic valve coil 7 is electrified to drive the valve body 8 to move, and the valve body 8 is provided with a liquid inlet 801 and a liquid outlet 802.
Referring to fig. 1, the connection of the battery pack 1 is connected to a battery voltage stabilizing circuit 601, the pressure sensor 5 is connected to the connection of a pressure sensor transmitting circuit 602, the pressure sensor 5 is installed in a pressure sensor installation hole 317 on the left side oil pipe of the body 3, and the pressure sensor 5 is compressed by a compression seal rod 4.
Referring to fig. 1, the oil pipe of the body 3 is provided with a hydraulic hole 316 and is connected with a pressure sensor mounting hole 317.
Referring to fig. 2-4, a battery barrel limiting step 301 is arranged at the center hole of the body 3 from top to bottom to fix the position of the battery pack 1, a spring step 302 is arranged to fix the position of the spring 201, a sealing surface 303 provided with a compression sealing rod ensures the sealing of the compression sealing rod 4, a pressure sensor passes through a hole 304 to connect the pressure sensor 5 with a pressure sensor transmission circuit 601, a circuit board hole 305 is arranged to mount the circuit board 6, a liquid inlet ring 313 is arranged to communicate with a liquid inlet 801 on the valve body 8, and a liquid outlet ring 306 is arranged to communicate with a liquid outlet 802 on the valve body 8.
Referring to fig. 2-4, a hydraulic control pipeline 13 is arranged at the left lower side of the upper central hole of the body 3, a pressure pin connection 315, a liquid inlet hole 314 and an upper processing hole 312 are arranged to communicate the liquid inlet hole 314 with a liquid inlet ring 313, and the NPT pressure pin seal 311 is adopted to ensure the processing hole sealing.
Referring to fig. 2-4, a liquid outlet 309, a hydraulic control pipeline 1301, a pressing nail connection 310 and a lower processing hole 307 are arranged on the right lower side of the upper central hole of the body 3, so that the liquid outlet 309 is communicated with the liquid outlet ring 306, and the NPT pressing nail seal 308 is adopted to ensure the sealing of the processing hole.
Referring to fig. 1 and 5, the utility model relates to an oil pipe weight-pressing sub-control liquid path device and an installation and application method thereof.A layering pipe column is installed above each set of tools needing liquid control and is connected by a short liquid control pipeline 1301 pressure nail, and the whole pipe column adopts a liquid control pipeline 1301 to control all underground liquid control tools to realize layering exploitation. Hydraulic pressure codes are pressed to the underground hydraulic control code pressing sub-control devices (31, 32, 33 and 34) through oil pipes, after the hydraulic pressure codes are pressed to a certain pressure value, the pressure is stabilized and timed for a certain time, then the pressure is relieved, the pressure sensor 5 senses data and transmits the data to the circuit board 6, and a circuit control system is awakened; the oil pipe is pumped to a certain pressure value again, the pressure is stabilized and timed, the pressure is released and timed again, the pressure is suspended for a rated time (time period) after repeated times, meanwhile, a pressure sensor 5 in the device transmits the pressure value to a circuit board 6 in the device, an analysis circuit 602 screens parameters according to the transmitted pressure value sequence and the time interval transmitted by each value to form a pressure code sequence, the pressure code sequence is compared and judged with a preset pressure code, if the pressure code sequence is the same as the preset pressure code, an electromagnetic valve 8 is started, liquid channel channels 801 and 802 are opened, the liquid inlet hole 314 and the liquid outlet hole 309 are communicated, a hydraulic control pipeline 1301 is connected with a wellhead to pump continuous hydraulic pressure to realize seat deblocking (packers 23 and 25) or switches (hydraulic sliding sleeves 24 and 26) of a hydraulic control tool behind the device, and when the pressure value measured by the pressure sensor 5 obtained by the circuit board 6 is stabilized for a period, the electromagnetic valve 8 is started to close the liquid channel.
Embodiment in the field
As shown in fig. 5, a hydraulic control layered two-layer water injection process string is characterized in that a hydraulic control sliding sleeve 26, a hydraulic control code sub-control device 34, a hydraulic control packer 25, a hydraulic control code sub-control device 33, a hydraulic control sliding sleeve 24, a hydraulic control code sub-control device 32, a hydraulic control packer 23, a hydraulic control code sub-control device 31 and a hydraulic control pipeline 13011 are sequentially connected to an oil pipe 22 in a production casing 21 from bottom to top, the hydraulic control packers 23 and 25 and the hydraulic control sliding sleeves 24 and 26 are respectively controlled by the hydraulic control code sub-control devices 31, 33, 32 and 34, and a hydraulic control pipe 1 provides control hydraulic pressure.
Referring to fig. 5 and 6, the ground applies hydraulic pressure to the oil pipe pressure code sub-control liquid circuit device through the oil pipe, after the oil pipe pressure sub-control liquid circuit device is pressed to a certain pressure P11 (the pressure value should exceed the oil pipe hydrostatic column pressure P10), the pressure is stabilized and timed for 5 minutes, then the pressure is released to zero and timed, at this time, after the pressure sensors 5 in the hydraulic pressure code sub-control devices 31, 33, 32, 34 all measure the pressure value P0 and the value of the pressure stabilizing time 5 minutes, the pressure sensor on the circuit board 6 is awakened to transmit the electric circuit 602; the zero pressure timing is carried out for 5 minutes, the hydraulic pressure is applied to P11 for stabilizing the pressure and timing for 3 minutes, the pressure is released to zero and timing for 5 minutes, the hydraulic pressure is applied to P11 for stabilizing the pressure and timing for 3 minutes, the pressure is released to zero and timing for 5 minutes, the hydraulic pressure is applied to P11 for stabilizing the pressure and timing for 5 minutes, at the moment, the transmission of the pressure code (11) is finished, the pressure is released and timing is carried out, if the pressure code identified by the pressure value and timing analysis circuit is the same as the preset pressure code in the storage circuit (the preset pressure code 11 of the underground hydraulic control pressure code sub-control device 31 on the hydraulic control packer 23), the electromagnetic valve 8 is started, the liquid channel 801 and the liquid channel 802 are opened, and the liquid inlet 314 is communicated with the liquid outlet 309. After the pressure relief timing is carried out for 20 minutes, the wellhead ground hydraulic oil pumping device is continuously pumped to a setting pressure value through a hydraulic control pipeline 13011, wellhead hydraulic pressure sequentially enters a hydraulic control packer 23 through the hydraulic control pipeline 13011, a hydraulic control pipeline 1301 pressure nail connection 315, a liquid inlet hole 314, a liquid inlet ring 313, a liquid inlet hole 801, a liquid outlet 802, a liquid outlet ring 306, a liquid outlet hole 309 and a hydraulic control pipeline 1301 pressure nail connection 310, the setting of the hydraulic control packer 23 connected with the device is realized, the pressure stabilization timing is carried out for 20 minutes, the hydraulic control setting action is completed, an electromagnetic valve 8 is started, a liquid path channel is cut off, the closed state is recovered, and the wellhead is depressurized.
Referring to fig. 5 and 9, next, a hydraulic control pressure code operation can be performed on any other oil pipe pressure code sub-control fluid path device, where the hydraulic control sliding sleeve 26 is selectively opened, that is, the hydraulic control pressure code sub-control device 34 in the well is subjected to the hydraulic control pressure code operation, and the corresponding pressure code preset is 22. The ground drives the oil pipe to the oil pipe pressure code division control liquid path device through the oil pipe, after the oil pipe is driven to a certain pressure P41 (the pressure value should exceed the oil pipe hydrostatic column pressure P40), stabilizing the pressure and timing for 5 minutes, releasing the pressure to zero and timing for 5 minutes, pumping the hydraulic pressure to P42 (the pressure value should exceed P41), stabilizing the pressure and timing for 3 minutes, releasing the pressure to zero and timing for 5 minutes, pumping the hydraulic pressure to P42, stabilizing the pressure and timing for 3 minutes, releasing the pressure to zero and timing for 5 minutes, pumping the hydraulic pressure to P41, stabilizing the pressure and timing for 5 minutes, at the moment, the transmission of the pressure code (22) is finished, releasing the pressure and timing, if the pressure value and the pressure code identified by the timing analysis circuit are the same as the preset pressure code in the storage circuit (the preset pressure code 22 of the downhole pilot pressure code sub-control device 34 on the pilot operated sliding sleeve 26), the solenoid valve 8 is actuated to open the fluid channels 801 and 802 to connect the fluid inlet 314 and the fluid outlet 309. After the pressure relief timing is carried out for 20 minutes, the wellhead ground hydraulic oil pumping device is continuously pumped to a setting pressure value through a hydraulic control pipeline 13011, wellhead hydraulic pressure sequentially passes through the hydraulic control pipeline 13011, a hydraulic control pipeline 1301 pressure nail connection 315, a liquid inlet hole 314, a liquid inlet ring 313, a liquid inlet hole 801, a liquid outlet 802, a liquid outlet ring 306, a liquid outlet hole 309 and a hydraulic control pipeline 1301 pressure nail connection 310 to enter a hydraulic control sliding sleeve 26, the hydraulic control sliding sleeve connected with the device is opened, the pressure stabilization timing is carried out for 20 minutes, the sliding sleeve opening action is fully completed, an electromagnetic valve 8 is started, a liquid path channel is cut off, namely, the closing state is recovered, and the wellhead is depressurized.
Referring to fig. 5, when the hydraulic control packers (23, 25) in the pipe string are to be unset or the hydraulic control sliding sleeves (24, 26) are to be closed, the following process can be performed.
Referring to fig. 5 and fig. 7, if the hydraulic control packer 25 is selected to be subjected to hydraulic control unsetting, the hydraulic control pressure gauge 12 needs to be punched on the oil pipe pressure gauge sub-control liquid path device 33 on the hydraulic control packer 25, a liquid path channel is opened, and setting hydraulic pressure in the hydraulic control packer 25 is released to unset the hydraulic control packer 25. The method comprises the steps of pressurizing a ground oil pipe, stabilizing the pressure and timing for 5 minutes after the pressure is pressurized to a certain pressure P21 (the pressure value should exceed the hydrostatic column pressure P20 of the oil pipe), then releasing the pressure to zero and timing for 5 minutes, then pressurizing to P21 and stabilizing the pressure and timing for 3 minutes, then releasing the pressure to zero and timing for 5 minutes, then pressurizing to P22 (the pressure value should exceed P22) and stabilizing the pressure and timing for 3 minutes, then releasing the pressure to zero and timing for 5 minutes, then pressurizing to P21 and stabilizing the pressure and timing for 5 minutes, at the moment, the transmission of a pressure code (12) is finished, releasing the pressure and timing, starting an electromagnetic valve 8 if the pressure value and the pressure code identified by a timing analysis circuit are the same as the preset pressure in a storage circuit, opening a liquid channel, releasing the pressure in a hydraulic control pipeline 1301, and slowly releasing the hydraulic control packer 25. After the pressure relief timing is carried out for 30 minutes, the action of unsealing the hydraulic control packer is fully completed, the electromagnetic valve 8 is started, the liquid path channel is cut off, and the closed state is recovered.
Referring to fig. 5 and 8, the hydraulic control sliding sleeve 24 is selectively closed, that is, the hydraulic control pressure code opening operation is performed on the oil pipe pressure code sub-control liquid path device 32, and the corresponding pressure code preset is 21. The method comprises the steps of pressurizing a ground oil pipe, stabilizing the pressure and timing for 5 minutes after the ground oil pipe is pressurized to a certain pressure P31 (the pressure value should exceed the hydrostatic column pressure P30 of the oil pipe), releasing the pressure to zero and timing for 5 minutes, pressurizing to P32 (the pressure value should exceed P31) and stabilizing the pressure and timing for 3 minutes, releasing the pressure to zero and timing for 5 minutes, pressurizing to P31 and stabilizing the pressure and timing for 5 minutes, releasing the pressure to zero and timing for 5 minutes, pressurizing to P31 and stabilizing the pressure and timing for 5 minutes, finishing transmission of a pressure code (21), releasing the pressure and timing, starting an electromagnetic valve 8 if the pressure value and the pressure code identified by a timing analysis circuit are the same as the preset pressure code in a storage circuit, opening a liquid channel, releasing the pressure in a hydraulic control pipeline 1301, and slowly opening a hydraulic control sliding sleeve 24. After the pressure relief timing is carried out for 30 minutes, the hydraulic control sliding sleeve is opened to fully complete the action, the electromagnetic valve 8 is started, the liquid path channel is cut off, and the closed state is recovered.
The foregoing is only a partial description of the preferred embodiments of the present invention. Any person skilled in the art may modify the above-described embodiments or modify them to equivalent solutions. Therefore, any simple modifications or equivalent substitutions made in accordance with the embodiments of the present invention are within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides an oil pipe pressure sign indicating number branch accuse liquid way device which characterized in that: comprises a signal receiving mechanism and a liquid path communication driving control mechanism, wherein the signal receiving mechanism comprises a battery pack, a compression sealing rod, a pressure sensor and a pressure sensor transmitting circuit, the liquid path communication driving control mechanism comprises an electromagnetic valve and an electromagnetic valve control circuit, the pressure sensor transmitting circuit and the electromagnetic valve control circuit are arranged on the same circuit board, the battery pack, the compression sealing rod, the pressure sensor, the electromagnetic valve and the circuit board are packaged in the same body,
the upper end and the lower end of the body are connected with a hydraulic control pipeline through pressing nails,
the lower end of the body is fixed by a sealing plug,
the body is provided with a sensor mounting hole, and the pressure sensor is mounted in the sensor mounting hole.
2. The oil pipe weight branch control liquid path device according to claim 1, characterized in that: and a battery barrel is arranged outside the battery pack.
3. The oil pipe weight branch control liquid path device according to claim 2, characterized in that: the battery barrel is connected with the body through threads.
4. The oil pipe weight branch control liquid path device according to claim 3, characterized in that: the battery pack is fixed in the battery barrel through a spring.
5. The oil pipe weight branch control liquid path device according to claim 1, characterized in that: the sensor mounting hole is located on the left side of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122436879.2U CN216043638U (en) | 2021-10-09 | 2021-10-09 | Oil pipe pressure sign indicating number branch accuse liquid way device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122436879.2U CN216043638U (en) | 2021-10-09 | 2021-10-09 | Oil pipe pressure sign indicating number branch accuse liquid way device |
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| Publication Number | Publication Date |
|---|---|
| CN216043638U true CN216043638U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122436879.2U Active CN216043638U (en) | 2021-10-09 | 2021-10-09 | Oil pipe pressure sign indicating number branch accuse liquid way device |
Country Status (1)
| Country | Link |
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| CN (1) | CN216043638U (en) |
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2021
- 2021-10-09 CN CN202122436879.2U patent/CN216043638U/en active Active
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