CN115733302B - Residual energy power generation facility in operation of pumping unit - Google Patents
Residual energy power generation facility in operation of pumping unit Download PDFInfo
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- CN115733302B CN115733302B CN202211465748.XA CN202211465748A CN115733302B CN 115733302 B CN115733302 B CN 115733302B CN 202211465748 A CN202211465748 A CN 202211465748A CN 115733302 B CN115733302 B CN 115733302B
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Abstract
The invention discloses a residual energy power generation facility in the operation of a pumping unit, which comprises: first electricity generation subassembly and battery, first electricity generation subassembly includes: the oil pumping unit comprises a shell, a rotor, a stator and a controller, wherein the rotor is rotationally connected to the center of the stator, coils are wound on the rotor and the stator, the center of the rotor is connected with a rotating shaft, the top end of the rotating shaft is connected with the output end of the oil pumping unit through a transmission mechanism, the coils on the stator are connected with a storage battery, and the controller is used for controlling the storage battery to supply power to the oil pumping unit. According to the invention, through the arrangement of the first power generation assembly, the extra swing power of the horsehead or the sucker rod is utilized to drive the rotor to rotate when the pumping unit acts, the power generation power is provided for the first power generation assembly, the residual energy in the operation of the pumping unit is utilized and stored in the storage battery, so that the subsequent use is convenient, the utilization rate of electric energy is improved, the resource waste is reduced, and the unstable current supply condition of the pumping unit during the operation is improved.
Description
Technical Field
The invention relates to the technical field of petroleum exploitation, in particular to a residual energy power generation facility in the operation of a pumping unit.
Background
The pumping unit is a machine equipment for exploiting petroleum, and utilizes the reciprocating motion of underground pumping pipe to produce suction force for oil-gas resource stored in oil-gas reservoir so as to make the oil-gas resource be pumped along pipeline to wellhead. At present, a beam pumping unit is widely used, a power device is an electric motor, and a crank-link mechanism drives a horsehead or a sucker rod to move, so that a piston of an oil pump reciprocates, and oil and gas resources are extracted. The pumping unit is accompanied with energy loss in the operation process, so that a lot of power is wasted when the horsehead or the pumping rod moves, energy residues are caused, and resource waste is caused. Accordingly, there is a need for a residual energy power generation facility in the operation of a pumping unit that at least partially addresses the problems of the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a residual energy power generation facility in pumping unit operation, comprising:
first electricity generation subassembly and battery, first electricity generation subassembly includes: the oil pumping unit comprises a shell, a rotor, a stator and a controller, wherein the rotor is rotationally connected to the center of the stator, coils are wound on the rotor and the stator, the center of the rotor is connected with a rotating shaft, the top end of the rotating shaft is connected with the output end of the oil pumping unit through a transmission mechanism, the coils on the stator are connected with a storage battery, and the controller is used for controlling the storage battery to supply power to the oil pumping unit.
Preferably, the first power generation assembly further includes: the shielding ring is concentrically arranged on the outer side of the stator, and the top end of the shielding ring is connected with the shell.
Preferably, the first power generation assembly further includes: the ring, the ring is concentric to be set up in the shielding ring outside, and ring top and bottom are connected with the casing simultaneously, and the ring outside encloses with the casing and establishes and form the annular chamber, annular chamber side end intercommunication has the heat dissipation pipeline, and the heat dissipation pipeline other end is close to the driving motor arrangement of beam-pumping unit, and a plurality of gas pockets with the annular chamber intercommunication have been seted up to the casing lateral wall.
Preferably, the first power generation assembly further includes:
the piston is connected to the inner wall of the annular cavity in a sliding manner, and a first magnetic block is connected in the piston;
the rotating plate is connected with the inner side wall of the circular ring in a sliding way, a second magnetic block is connected in the rotating plate, the rotating plate is arranged close to the piston, and the first magnetic block and the second magnetic block are attracted mutually;
the rotating rod is connected to the side end of the bottom of the rotating shaft, and penetrates through the stator and the shielding ring to be connected with the rotating plate.
Preferably, the residual energy power generation facility in the operation of the pumping unit further comprises a second power generation assembly, and the second power generation assembly comprises: the adjusting boxes are uniformly connected to the side ends of the shell along the circumferential direction, the floating assemblies are hinged to the bottom ends of the adjusting boxes, and the floating assemblies are arranged above the sea surface in a floating mode.
Preferably, the regulating tank includes:
the sliding groove is formed in the side end of the inner wall of the adjusting box and is vertically arranged;
the T-shaped block is connected in the chute in a sliding way, the vertical section of the T-shaped block penetrates through the bottom end of the adjusting box to extend downwards, and a plurality of conical holes are formed in the horizontal section of the T-shaped block;
the spring is connected between the horizontal section of the T-shaped block and the top end of the regulating box;
the communication hole is arranged at the side end of the upper part of the adjusting box, the communication holes are arranged in one-to-one correspondence with the air holes, and the air holes are communicated with the communication hole and the annular cavity.
Preferably, the bottom end of the T-shaped block is connected with a generator, a rotating shaft of the generator is connected with the floating assembly, the rotating shaft of the generator rotates to generate electric energy, and the generator is electrically connected with the storage battery.
Preferably, the floating assembly comprises:
one end of the connecting rod is connected with the rotating shaft of the generator;
the cylinder is connected with the other end of the connecting rod, and a sealing sleeve is arranged on the outer side of the cylinder in a surrounding manner;
the heat conducting strip is arranged in the connecting rod, and two ends of the heat conducting strip are respectively contacted with the column body and the rotating shaft of the generator;
the support plate is connected to the bottom end of the column body, and the column body and the support plate are made of heat conducting materials;
the air bag is connected to the side end of the supporting plate and surrounds the bottom end of the supporting plate, and hot expanding gas is contained in the air bag.
Preferably, the side end of the support plate is uniformly connected with a plurality of heat conducting plates along the circumferential direction, the side end of the heat conducting plates is uniformly connected with a plurality of heat conducting sheets, the heat conducting sheets are arc-shaped, and the air bag is connected with the side end of the heat conducting plates.
Preferably, the residual energy power generation facility in the operation of the pumping unit further comprises: the first current sensor, the second current sensor and the emergency indicator lamp are arranged on a power supply circuit of an external motor to the pumping unit, the second current sensor is arranged on a power supply circuit of a storage battery to the pumping unit, the emergency indicator lamp is connected in a control room of the pumping unit, and the process of controlling the storage battery to supply power to the pumping unit by the controller is as follows:
judging power supply current I of an external motor detected by a first current sensor to an oil pumping unit 1 With rated operating current I of pumping unit w The relation between the residual quantity Q of the storage battery and the lowest used quantity Q of the storage battery is judged 0 A relationship between;
when I 1 ≥I w When the oil pumping unit is powered by the storage battery, the storage battery is controlled not to supply power to the oil pumping unit;
when I 1 <I w And Q is more than or equal to 2Q 0 When the oil pumping unit is powered by the storage battery;
when I 1 <I w And Q is 0 <Q≤2Q 0 When the emergency indicator lamp is in a yellow color, the storage battery is controlled to supply power to the oil pumping unit;
when I 1 >I w And Q is less than or equal to Q 0 And when the storage battery is controlled to stop supplying power to the oil pumping unit, and the emergency indicator lamp turns red.
Compared with the prior art, the invention at least comprises the following beneficial effects:
according to the residual energy power generation facility in the operation of the pumping unit, through the arrangement of the first power generation assembly, the excessive swing power of the horsehead or the pumping rod is utilized to drive the rotor to rotate when the pumping unit acts, power generation power is provided for the first power generation assembly, the residual energy in the operation of the pumping unit is utilized and stored in the storage battery, so that the subsequent use is convenient, the utilization rate of electric energy is improved, the resource waste is reduced, and the unstable current supply condition of the pumping unit during the operation is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the connection structure of a residual energy power generation facility and a pumping unit in the operation of the pumping unit of the invention;
FIG. 2 is a schematic top sectional view of the residual energy power generation facility in operation of the pumping unit of the present invention;
FIG. 3 is a schematic side sectional view of a residual energy power generation facility in operation of the pumping unit of the present invention;
FIG. 4 is a schematic diagram of a cross-sectional structure of a second power generation assembly in a residual energy power generation facility in operation of the pumping unit of the present invention;
FIG. 5 is a schematic cross-sectional view of an air bag in the residual energy power generation facility in operation of the pumping unit of the present invention;
fig. 6 is a schematic diagram of the internal structure of an air bag in the residual energy power generation facility in the operation of the pumping unit of the present invention.
In the figure: 1. a housing; 2. a rotor; 3. a stator; 4. a rotating shaft; 5. pumping unit; 6. a shielding ring; 7. a circular ring; 8. an annular cavity; 9. a piston; 10. a first magnetic block; 11. a rotating plate; 12. a second magnetic block; 13. a rotating rod; 14. an adjusting box; 15. a generator; 16. a chute; t-block; 18. a spring; 19. a communication hole; 20. air holes; 21. a connecting rod; 22. a column; 23. sealing sleeve; 24. a heat conducting strip; 25. a support plate; 26. an air bag; 27. a heat conductive plate; 28. a heat conductive sheet; 29. tapered holes.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-6, the present invention provides a residual energy power generation facility in pumping unit operation, comprising:
first electricity generation subassembly and battery, first electricity generation subassembly includes: casing 1, rotor 2, stator 3 and controller, rotor 2 rotate and connect in stator 3 centers, and all twine on rotor 2 and the stator 3 have the coil, and rotor 2 center is connected with pivot 4, and pivot 4 top is connected with the output of beam-pumping unit 5 through drive mechanism, and the coil on the stator 3 is connected with the battery, and the controller is used for controlling the battery and supplies power to the beam-pumping unit.
The working principle of the technical scheme is as follows:
when the pumping unit 5 is set to be a beam-type or tower-type pumping unit, the output end of the pumping unit 5 is a horsehead or a pumping rod, the horsehead or the pumping rod is connected with a driving motor through a crank connecting rod mechanism or a lever mechanism, the driving mechanism is set to be one or a plurality of combinations of belt driving, chain driving, connecting rod driving and gear driving, so that the rotating shaft 4 of the first generator rotates simultaneously along with the action of the pumping unit 5, the rotating shaft 4 rotates to drive the rotor 2 to rotate synchronously, a coil is wound on the rotor 2 and supplies power to the rotor 2 coil, the rotor 2 coil is electrified to generate a magnetic field, the stator 3 coil cuts magnetic force lines along with the rotation of the rotor 2, current is generated in the stator 3 coil, and the current is conveyed into a storage battery for storage.
The controller can judge whether the current of the pumping unit 5 reaches a rated value according to the current condition of the pumping unit 5 during operation, and then the power supply of the battery box pumping unit is controlled, so that the sufficient power supply quantity in the pumping unit 5 is ensured, and the unstable current supply condition of the pumping unit 5 during operation is improved.
The beneficial effects of the technical scheme are that:
according to the residual energy power generation facility in the operation of the pumping unit provided by the invention, through the arrangement of the first power generation assembly, the rotor 2 is driven to rotate by using the excessive swing power of the horsehead or the pumping rod when the pumping unit 5 acts, the power generation power is provided for the first power generation assembly, the residual energy in the operation of the pumping unit 5 is utilized and stored in the storage battery, so that the subsequent use is convenient, the utilization rate of electric energy is improved, the resource waste is reduced, and the unstable current supply condition of the pumping unit 5 during the work is facilitated to be improved.
In one embodiment, the first power generation assembly further comprises: the shielding ring 6, shielding ring 6 is concentric to set up in the outside of stator 3, and shielding ring 6 top is connected with casing 1.
The working principle and beneficial effects of the technical scheme are as follows:
the shielding ring 6 is arranged outside the stator 3, so that magnetic field energy generated by electrifying the coil of the rotor 2 can be shielded inside the shielding ring 6, leakage of electromagnetic energy is avoided, when the magnetic element is used outside the shielding ring 6, if shielding of the shielding ring 6 is not used, the magnetic field generated during rotation of the rotor 2 and the magnetic field of the magnetic element are interfered, current generation in the stator 2 is influenced, normal action of the magnetic element is influenced, and therefore, isolation of the working environment on the inner side and the outer side of the shielding ring 6 is realized through the shielding ring 6, the inner side and the outer side can work independently, and integration of all parts in the shell 1 is facilitated.
In one embodiment, the first power generation assembly further comprises: the ring 7, ring 7 concentric setting in shielding ring 6 outside, and ring 7 top and bottom are connected with casing 1 simultaneously, and ring 7 outside encloses with casing 1 and establishes and form annular chamber 8, annular chamber 8 side intercommunication has the heat dissipation pipeline, and the heat dissipation pipeline other end is close to the driving motor arrangement of beam-pumping unit 5, and a plurality of gas pockets 20 with annular chamber 8 intercommunication have been seted up to casing 1 lateral wall.
In one embodiment, the first power generation assembly further comprises:
the piston 9 is connected to the inner wall of the annular cavity 8 in a sliding manner, and a first magnet block 10 is connected in the piston 9;
the rotating plate 11 is connected with the inner side wall of the circular ring 7 in a sliding way, the rotating plate 11 is internally connected with the second magnetic block 12, the rotating plate 11 is arranged close to the piston 9, and the first magnetic block 10 and the second magnetic block 12 are attracted mutually;
the rotating rod 13, the rotating rod 13 is connected to the bottom side end of the rotating shaft 4, and the rotating rod 13 passes through the stator 3 and the shielding ring 6 to be connected with the rotating plate 11.
The working principle and beneficial effects of the technical scheme are as follows:
the ring 7 encloses with casing 1 to establish and forms annular chamber 8, be used for storing the air in the annular chamber 8, when pivot 4 rotates, drive bull stick 13 at casing 1 internal rotation, the bottom surface of shielding ring 6 is less than the bottom surface of stator 3, electromagnetic interference can effectively be weakened, bull stick 13 and shielding ring 6 bottom surface sliding connection, drive revolving plate 11 when bull stick 13 rotates and slide at ring 7 inside wall, set up revolving plate 11 into the arc, revolving plate 11 can laminate with ring 7, be provided with piston 9 with revolving plate 11 formation position in annular chamber 8, and set up magnetic path one 10 in piston 9, set up magnetic path two 12 in revolving plate 11, because the suction effect of magnetic path one 10 and magnetic path two 12, can make piston 9 follow revolving plate 11 synchronous movement, and piston 9 hugs closely at annular chamber 8 inner wall, can drive annular chamber 8 internal air flow, the air flow produces the negative pressure, can inhale the outside air from gas pocket 20, then discharge through the heat dissipation pipeline, the air flow direction other end, and set up a plurality of shower nozzles at the pipeline other end, the air current passes through the motor to the shower nozzle, drive motor to the shower nozzle 5, drive the heat dissipation capacity that drives the motor to take away by the motor, and further high heat dissipation capacity is used to drive the surface of the pumping unit 5.
In one embodiment, the residual energy power generation facility in operation of the pumping unit further comprises a second power generation assembly comprising: the adjusting boxes 14 and the floating components are evenly connected to the side ends of the shell 1 along the circumferential direction, the floating components are hinged to the bottom ends of the adjusting boxes 14, and the floating components are arranged above the sea surface in a floating mode.
The working principle and beneficial effects of the technical scheme are as follows:
the beam-pumping unit 5 is used for still going up the electricity generation, and beam-pumping unit 5 sets up on the sea promptly, and the sucker rod of beam-pumping unit 5 stretches into the seabed, and the sea water flows and can produce the energy, through setting up the second power generation component, turns into the electric energy with the energy that the sea water flows and produces to store in the battery, the second power generation component includes regulating box 14 and floating subassembly, and regulating box 14 can adjust the position of floating subassembly in vertical direction, and floating subassembly can wave along with the wave flow, turns into the electric energy with the wave energy.
In one embodiment, the conditioning tank 14 includes:
the sliding groove 16 is formed in the side end of the inner wall of the adjusting box 14, and the sliding groove 16 is vertically arranged;
the T-shaped block 17, the horizontal section of the T-shaped block 17 is slidably connected in the chute 16, the vertical section of the T-shaped block 17 passes through the bottom end of the regulating box 14 to extend downwards, and a plurality of conical holes 29 are formed in the horizontal section of the T-shaped block 17;
the spring 18, the spring 18 connects between horizontal section of the T-shaped block 17 and top of the regulating box 14;
the communicating holes 19, the communicating holes 19 are arranged at the upper side end of the regulating box 14, the communicating holes 19 are arranged in one-to-one correspondence with the air holes 20, and the air holes 20 are arranged in communication with the communicating holes 19 and the annular cavity 8.
The working principle and beneficial effects of the technical scheme are as follows:
when the pumping unit 5 is in pumping operation, the pumping rod of the pumping unit 5 moves up and down, vibration can be generated to cause the sea wave around the lower part of the pumping unit 5 to greatly fluctuate, the impact on the lower side of the second power generation assembly is caused to be too large to deform, therefore, the adjusting box 14 is arranged, when the piston 9 drives air in the annular cavity 8 to flow, negative pressure is generated by air flow, the air on the upper part of the adjusting box 14 can be sucked from the air hole 20, the lower part of the adjusting box 14 is communicated with the outside, the air on the lower part of the adjusting box 14 enters the upper part of the adjusting box 14 through the conical hole 29, the conical hole 29 gradually reduces from bottom to top, upward pressure is generated on the T-shaped block 17, so that the T-shaped block 17 moves upward under the action of air flow to drive the floating assembly below to move upward, the cantilever length at the bottom end of the T-shaped block 17 is shortened, the impact of the sea wave on the vertical section of the T-shaped block 17 is reduced, the deformation of the T-shaped block 17 is reduced, the damage of the second power generation assembly caused by the sea wave is prevented, the safety of the second power generation assembly is improved, when the pumping unit is not carried out, the piston 9 does not rotate any more, the T-shaped block 17 is reset under the action of the spring 18, and the floating assembly is enabled to float downward.
In one embodiment, the bottom end of the T-shaped block 17 is connected with a generator 15, the rotating shaft of the generator 15 is connected with a floating assembly, the rotating shaft of the generator 15 rotates to generate electric energy, and the generator 15 is electrically connected with a storage battery.
The working principle and beneficial effects of the technical scheme are as follows:
the generator 15 is arranged at the bottom end of the T-shaped block 17, the generator 15 is connected with the floating assembly, when the floating assembly floats up and down along with sea waves, the rotating shaft of the generator 15 is driven to rotate, kinetic energy of the rotating shaft of the generator 15 is converted into electric energy and stored in the storage battery, sea wave energy is fully utilized, the first power generation assembly is supplemented, the energy storage effect is improved, and the practicability is better.
In one embodiment, a floating assembly includes:
a connecting rod 21, one end of the connecting rod 21 is connected with a rotating shaft of the generator 15;
the column 22 is connected to the other end of the connecting rod 21, and a sealing sleeve 23 is arranged on the outer periphery of the column 22;
the heat conducting strip 24, the heat conducting strip 24 is arranged in the connecting rod 21, and two ends of the heat conducting strip 24 are respectively contacted with the column 22 and the rotating shaft of the generator 15;
the supporting plate 25 is connected to the bottom end of the column 22, and the column 22 and the supporting plate 25 are made of heat conducting materials;
an air bag 26, the air bag 26 is connected to the side end of the support plate 25 and is disposed around the bottom end of the support plate 25, and the air bag 26 contains a hot expanding gas.
In one embodiment, the side ends of the support plate 25 are uniformly connected with a plurality of heat conductive plates 27 in the circumferential direction, the side ends of the heat conductive plates 27 are uniformly connected with a plurality of heat conductive sheets 28, the heat conductive sheets 28 are arranged in an arc shape, and the air bags 26 are connected with the side ends of the heat conductive plates 27.
The working principle and beneficial effects of the technical scheme are as follows:
when the floating assembly is used, the air bag 26 is connected with the supporting plate 25, the supporting plate 25 is connected on the column 22, the column 22 is connected with the rotating shaft of the generator 15 through the connecting rod 21, the connection between the air bag 26 and the rotating shaft of the generator 15 is realized, hot expanding gas is contained in the air bag 26, the air bag 26 can float on the sea surface and float up and down along with the fluctuation of sea waves, the rotating shaft of the generator 15 is driven to rotate, the generator 15 generates electric energy and is stored in the storage battery, when the generator 15 is used, energy loss is generated by heat, the heat generated by the generator 15 is conducted to the supporting plate 25 through the heat conducting strip 24 and is conducted to the heat conducting plate 27 and the heat conducting sheet 28 at the side end of the supporting plate 25, the plurality of heat conducting plates 27 are evenly arranged to form a plurality of chambers in the air bag 26, the heat conducting sheets 28 are arranged in an array, so that heat is evenly distributed into each chamber of the air bag 26 along the heat conducting sheets 28, the air bag 26 is simultaneously connected with the supporting plate 25 and the heat conducting plates 27, the air bag 26 is supported, the appearance of the air bag 26 is kept, the air bag 26 is prevented from being greatly deformed under the impact of sea waves to influence the utilization rate of sea wave energy, the air in the air bag 26 is expanded after being heated, the air bag 26 can be subjected to enough buoyancy, the air bag 26 floats up and down along with the sea waves more flexibly, the power generation effect is improved, the sealing sleeve 23 can prevent water inflow in the cylinder 22, heat dissipation is reduced, and the heat conducting effect is ensured.
In one embodiment, the residual energy power generation facility in operation of the pumping unit further comprises: the first current sensor, the second current sensor and the emergency indicator lamp, the first current sensor is arranged on a power supply circuit of an external motor to the pumping unit 5, the second current sensor is arranged on a power supply circuit of a storage battery to the pumping unit 5, the emergency indicator lamp is connected in a control room of the pumping unit 5, and the process of controlling the storage battery to supply power to the pumping unit 5 by the controller is as follows:
judging power supply current I of external motor detected by first current sensor to pumping unit 5 1 With rated operating current I of pumping unit 5 w The relation between the residual quantity Q of the storage battery and the lowest used quantity Q of the storage battery is judged 0 A relationship between;
when I 1 ≥I w When the oil pumping unit 5 is in operation, the storage battery is controlled not to supply power;
when I 1 <I w And Q is more than or equal to 2Q 0 When the oil pumping unit 5 is powered by the storage battery;
when I 1 <I w And Q is 0 <Q≤2Q 0 When the emergency indicator lamp is in a yellow color, the storage battery is controlled to supply power to the oil pumping unit 5;
when I 1 >I w And Q is less than or equal to Q 0 When the accumulator is controlled to stop supplying power to the pumping unit 5, and the emergency indicator light turns red;
the remaining capacity Q of the storage battery is obtained through calculation by adopting a preset algorithm, wherein the preset algorithm is as follows:
wherein beta is a proportionality coefficient, the value is 0.8-1.2, eta is a comprehensive factor of the health condition of the storage battery, eta is less than or equal to 1, K is a temperature proportionality coefficient, the value is 0.005-0.008, T is the current environment temperature, the temperature sensor detects and obtains Q m For nominal charge of the battery, ΔQ is an initial charge correction value of the battery, I 2 (t) is the supply current of the accumulator, which is detected by the second current sensor, to the pumping unit 5 at the time t;
the working principle and beneficial effects of the technical scheme are as follows:
when the oil field distribution network is in a isolated network running state, the storage battery is started to supply power to the oil well through the controller, and the situation of outage or insufficient current can be caused according to different fault states during use, so that current compensation is required to be carried out on the power supply current of the oil pumping unit 5 according to an external motor, during use, the power supply current of the oil pumping unit 5 is detected in real time through the first current sensor to the external motor, the power supply current of the storage battery obtained through detection of the second current sensor is calculated through a preset algorithm, the influence of the health condition and the environmental temperature of the storage battery after frequent charge and discharge use is comprehensively considered, the residual electric quantity of the storage battery is calculated, and a basis is provided for the use condition of the electric quantity in the storage battery.
When I 1 ≥I w When the oil pumping unit 5 can reach rated working current, the oil pumping unit 5 works normally, and the controller controls the storage battery not to supply power to the oil pumping unit 5;
when I 1 <I w And Q is more than or equal to 2Q 0 When the oil pumping unit 5 can reach rated working current, and the electric quantity in the storage battery is sufficient, the controller controls the storage battery to supply power to the oil pumping unit 5, so that current compensation is realized for the oil pumping unit 5, and the oil pumping unit 5 can work normally;
when I 1 <I w And Q is 0 <Q≤2Q 0 When the electric quantity in the storage battery reaches a first critical state, the controller controls the emergency indicator lamp to turn yellow, and the working personnel is reminded of needing to repair the pumping unit 5 as soon as possible;
when I 1 >I w And Q is less than or equal to Q 0 When the electric quantity in the storage battery reaches a second critical state, the controller controls the emergency indicator lamp to turn red to remind a worker that the electric quantity in the storage battery is about to be exhausted;
the residual capacity of the storage battery is determined through a preset algorithm, the real-time current of the oil pumping unit 5 is monitored, the power supply process of the storage battery is controlled, the compensation of the current of the oil pumping unit 5 is effectively realized, the influence on the oil pumping process when the oil field distribution network faults and the oil well are in the isolated network running state is relieved, the running safety of the oil pumping unit 5 is improved, the electric quantity of the storage battery can be indicated, and workers are reminded of timely maintenance.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (7)
1. A residual energy power generation facility in the operation of a pumping unit, comprising: first electricity generation subassembly and battery, first electricity generation subassembly includes: the oil pumping unit comprises a shell (1), a rotor (2), a stator (3) and a controller, wherein the rotor (2) is rotationally connected to the center of the stator (3), coils are wound on the rotor (2) and the stator (3), the center of the rotor (2) is connected with a rotating shaft (4), the top end of the rotating shaft (4) is connected with the output end of the oil pumping unit (5) through a transmission mechanism, the coils on the stator (3) are connected with a storage battery, and the controller is used for controlling the storage battery to supply power to the oil pumping unit (5);
the first power generation assembly further includes: the shielding ring (6) is concentrically arranged outside the stator (3), and the top end of the shielding ring (6) is connected with the shell (1);
the annular ring (7), the annular ring (7) is concentrically arranged outside the shielding ring (6), the top end and the bottom end of the annular ring (7) are simultaneously connected with the shell (1), an annular cavity (8) is formed by surrounding the outer side of the annular ring (7) and the shell (1), a heat dissipation pipeline is communicated with the side end of the annular cavity (8), the other end of the heat dissipation pipeline is close to the driving motor of the pumping unit (5) and is arranged, and a plurality of air holes (20) communicated with the annular cavity (8) are formed in the side wall of the shell (1);
the piston (9) is connected to the inner wall of the annular cavity (8) in a sliding manner, and a first magnetic block (10) is connected to the piston (9);
the rotating plate (11), the rotating plate (11) is connected with the inner side wall of the circular ring (7) in a sliding way, the rotating plate (11) is internally connected with the second magnetic block (12), the rotating plate (11) is arranged close to the piston (9), and the first magnetic block (10) and the second magnetic block (12) are attracted mutually;
the rotating rod (13), the rotating rod (13) is connected to the bottom side end of the rotating shaft (4), and the rotating rod (13) penetrates through the stator (3) and the shielding ring (6) to be connected with the rotating plate (11).
2. The residual energy power generation facility in pumping unit operation of claim 1, further comprising a second power generation assembly comprising: the adjusting boxes (14) and the floating components are uniformly connected to the side ends of the shell (1) along the circumferential direction, the floating components are hinged to the bottom ends of the adjusting boxes (14), and the floating components are arranged above the sea surface in a floating mode.
3. The residual energy power generation facility in pumping unit operation according to claim 2, wherein the regulating tank (14) comprises:
the sliding groove (16), the sliding groove (16) is arranged at the side end of the inner wall of the adjusting box (14), and the sliding groove (16) is vertically arranged;
the T-shaped block (17), the horizontal section of the T-shaped block (17) is connected in the chute (16) in a sliding way, the vertical section of the T-shaped block (17) passes through the bottom end of the adjusting box (14) to extend downwards, and a plurality of conical holes (29) are formed in the horizontal section of the T-shaped block (17);
the spring (18) is connected between the horizontal section of the T-shaped block (17) and the top end of the adjusting box (14);
the communication holes (19) are formed in the upper side end of the adjusting box (14), the communication holes (19) and the air holes (20) are arranged in one-to-one correspondence, and the air holes (20) are communicated with the communication holes (19) and the annular cavity (8).
4. A residual energy power generation facility in beam-pumping unit operation according to claim 3, wherein, generator (15) is connected to T type piece (17) bottom, and the pivot of generator (15) is connected with floating subassembly, and the pivot of generator (15) rotates and produces the electric energy, and generator (15) is connected with the battery electricity.
5. The residual energy generation facility in pumping unit operation of claim 4, wherein the float assembly comprises:
one end of the connecting rod (21) is connected with a rotating shaft of the generator (15);
the cylinder (22) is connected to the other end of the connecting rod (21), and a sealing sleeve (23) is arranged on the outer periphery of the cylinder (22);
the heat conducting strip (24), the heat conducting strip (24) is arranged in the connecting rod (21), and two ends of the heat conducting strip (24) are respectively contacted with the column (22) and the rotating shaft of the generator (15);
the support plate (25), the support plate (25) is connected to the bottom end of the column body (22), and the column body (22) and the support plate (25) are made of heat-conducting materials;
the air bag (26), the air bag (26) is connected to the side end of the supporting plate (25) and surrounds the bottom end of the supporting plate (25), and the air bag (26) contains hot expanding gas.
6. The residual energy power generation facility in operation of a pumping unit according to claim 5, wherein a plurality of heat conducting plates (27) are uniformly connected to the side end of the support plate (25) in the circumferential direction, a plurality of heat conducting fins (28) are uniformly connected to the side end of the heat conducting plates (27), the heat conducting fins (28) are arranged in an arc shape, and the air bag (26) is connected to the side end of the heat conducting plates (27).
7. The residual energy power generation facility in pumping unit operation of claim 1, further comprising: the emergency indicator lamp is connected in a control room of the pumping unit (5), and the process of controlling the storage battery to supply power to the pumping unit (5) by the controller is as follows:
judging the supply current of an external motor detected by a first current sensor to an oil pumping unit (5)
Rated operating current of pumping unit (5)>
The relation between the residual capacity of the storage battery is judged>
And the lowest electricity consumption of the storage battery>
A relationship between;
when (when)
When the oil pumping unit (5) is not powered by the storage battery;
when (when)
And->
When the oil pumping unit (5) is powered by the storage battery;
when (when)
And->
When the emergency indicator lamp is in a yellow color, the storage battery is controlled to supply power to the oil pumping unit (5);
when (when)
And->
And when the accumulator is controlled to stop supplying power to the pumping unit (5), and the emergency indicator lamp turns red. />
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102132034A (en) * | 2008-08-06 | 2011-07-20 | 张益� | An oceanic wave energy utilization system |
| CN111741664A (en) * | 2020-07-23 | 2020-10-02 | 卓烁民 | Efficient insect-expelling and heat-dissipating electrical cabinet |
| CN113187439A (en) * | 2021-05-18 | 2021-07-30 | 官承柱 | Potential energy research and development and application method of oil extraction hoister |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102132034A (en) * | 2008-08-06 | 2011-07-20 | 张益� | An oceanic wave energy utilization system |
| CN111741664A (en) * | 2020-07-23 | 2020-10-02 | 卓烁民 | Efficient insect-expelling and heat-dissipating electrical cabinet |
| CN113187439A (en) * | 2021-05-18 | 2021-07-30 | 官承柱 | Potential energy research and development and application method of oil extraction hoister |
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