CN115296592B - Prevent oily charge pump switch board of diving of excessive pressure trouble - Google Patents
Prevent oily charge pump switch board of diving of excessive pressure trouble Download PDFInfo
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- CN115296592B CN115296592B CN202211219603.1A CN202211219603A CN115296592B CN 115296592 B CN115296592 B CN 115296592B CN 202211219603 A CN202211219603 A CN 202211219603A CN 115296592 B CN115296592 B CN 115296592B
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- wiring port
- wiring
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- fire
- voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/0241—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an overvoltage
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
- H02H7/0844—Fail safe control, e.g. by comparing control signal and controlled current, isolating motor on commutation error
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/027—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an over-current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/028—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the motor continuing operation despite the fault condition, e.g. eliminating, compensating for or remedying the fault
Abstract
The invention relates to the technical field of an electric submersible pump control cabinet, and discloses an electric submersible pump control cabinet for preventing overvoltage faults.
Description
Technical Field
The invention relates to the technical field of control cabinets of electric submersible pumps, in particular to a control cabinet of an electric submersible pump for preventing overvoltage faults.
Background
The electrical submersible pump control cabinet is characterized in that switching equipment, a measuring instrument, a protective electrical appliance and auxiliary equipment are assembled in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement, then the electrical submersible pump control cabinet is connected with a wiring terminal of an electrical submersible pump through a wiring port of a wire connector, and a gear shifting device is controlled to operate the electrical submersible pump, wherein the gear shifting usually comprises on, off, power regulation and control and the like, but in the time period of controlling the gear shifting, problems still exist, inertia of a rotating shaft of the electrical submersible pump per se continuously moves to generate micro current, the voltage at the wiring port is reversely influenced and is transmitted to influence the wiring port, the stability of the whole power supply system is reduced, the wiring port is easy to age, and the risk of being punctured and burnt by the current exists;
in view of the above technical drawbacks, a solution is proposed.
Disclosure of Invention
The invention aims to: on the basis of calibrating a wiring port in use, parameter information of the wiring port at a gear shifting period is collected, and the parameter information of the wiring port at the gear shifting period is positioned, divided and subjected to peak-crossing regulation, so that analysis and judgment of overvoltage and overload of parameters at the gear shifting period are realized, voltage or current is automatically regulated, the voltage is balanced, the smoothness of power supply in the process of changing the operation state of the submersible electric pump is enhanced, the submersible electric pump is protected, and meanwhile, feedback information is integrated through overload recheck, automatic overload and overvoltage fire prevention and pre-induction of the service life of the wiring port are realized, a worker is assisted to replace a wire connector of the wiring port with the attenuation degree reaching in advance, so that the conditions of overload and overvoltage are reduced, the safety of a control cabinet of the submersible electric pump is guaranteed in real time, micro-current is generated due to continuous movement of inertia of a rotating shaft of the submersible electric pump in the process of the gear shifting period, the voltage at the wiring port is reversely influenced and transmitted to the wiring port, the stability of a power supply system is reduced, particularly the connectivity of the wiring port is reduced, and the risk of current breakdown and the electric pump exists.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electrical submersible pump control cabinet that prevents overvoltage faults, comprising:
the fire-proof cabinet single body is used for installing an electric submersible pump through a wiring port; the system is also used for sensing the environmental condition information inside and outside the single fireproof cabinet body and the inertia electric working condition information of the electric submersible pump in the single fireproof cabinet body and sending the information to the data storage unit for storage; the information of the environmental conditions inside and outside the single fireproof cabinet body is the temperature at the wiring port of the single fireproof cabinet body; the inertia electric working condition information of the submersible electric pump in the fire-proof cabinet monomer consists of voltage fluctuation frequency at the shifting moment wiring port, voltage fluctuation amplitude at the shifting moment wiring port, current fluctuation frequency at the shifting moment wiring port and current fluctuation amplitude at the shifting moment wiring port;
the data dividing unit is used for dividing the wiring port, acquiring the internal parameters of the data dividing unit to construct a real-time temperature set at the wiring port, a voltage instantaneous fluctuation frequency set at the wiring port, a voltage instantaneous fluctuation amplitude set at the wiring port, a current instantaneous fluctuation frequency set at the wiring port and a current instantaneous fluctuation amplitude set at the wiring port, calculating to obtain a corresponding average value and a corresponding standard deviation, and sending the information to the data storage unit for storage;
the over-peak regulation and control unit is used for acquiring a voltage instantaneous fluctuation frequency set at a wiring port, a voltage instantaneous fluctuation frequency set at the wiring port, a voltage instantaneous fluctuation amplitude set at the wiring port, a current instantaneous fluctuation amplitude set at the wiring port, an average value and a standard deviation of the current instantaneous fluctuation amplitude set at the wiring port and the current instantaneous fluctuation amplitude set at the wiring port through the data storage unit, carrying out model quantization processing on an over-peak regulation and control signal and an overload marking signal, and automatically regulating the voltage to reduce to reach corresponding smoothness when the over-peak regulation and control signal is generated; the generated overload marking signal is also sent to an overload rechecking unit;
and the overload rechecking unit is used for receiving the overload marking signal, acquiring the average value WP of the real-time temperature set at the wiring port and the standard deviation WB of the real-time temperature set at the wiring port through the data storage unit, and generating a decay set for assisting a worker to replace the wiring port of the wiring port or a puncture processing signal for controlling a component to work to automatically prevent fire and extinguish fire after the decay fire model processing.
Further, the specific working steps of the model quantization processing are as follows:
respectively calibrating and analyzing an average value and a standard difference corresponding to a voltage instantaneous fluctuation frequency set, a voltage instantaneous fluctuation frequency set at a wiring port, a voltage instantaneous fluctuation amplitude set at the wiring port, a current instantaneous fluctuation amplitude set at the wiring port and a current instantaneous fluctuation amplitude set at the wiring port to generate an inertia electric constant reference YA at the wiring port; and then comparing the generated inertia electric constant reference YA at the wiring port with a preset threshold YA: when YA is less than Yamin, no control signal is generated; when YA is less than or equal to Yamin and less than Yamax, generating an over-peak regulation signal; when YA is larger than Yamax, an overload flag signal is generated.
Further, the specific process of automatically adjusting the voltage reduction to reach the corresponding smoothness after the over-peak regulation signal is generated is as follows:
when the over-peak regulation and control signal is generated, respectively acquiring a voltage instantaneous fluctuation frequency set at the wiring port and subsets exceeding the average value in the voltage instantaneous fluctuation amplitude set at the wiring port, and then respectively arranging the subsets from large to small to construct and generate an over-voltage peak frequency set and a voltage over-peak amplitude set; constructing corresponding same wiring ports in the voltage over-peak frequency set and the voltage over-peak amplitude set to generate a set of wiring ports with the same peak, otherwise, constructing and generating a set of wiring ports with different peaks, and controlling the set of wiring ports with different peaks to be in a state to be processed; automatically adjusting and reducing the voltage at the wiring ports to the average value through a voltage stabilizer after the set at the wiring ports with the same peak is generated, comparing the inertia electric constant reference YA at the wiring ports with the preset threshold YA again after the set at the wiring ports with the same peak is adjusted, and generating no control signal when YA is less than Yamin; when YA is larger than or equal to Yamin, the voltage in the set at the non-peak wiring port in the state of waiting for processing is automatically adjusted and reduced.
Further, the specific working process of the decay fire protection model treatment is as follows:
acquiring an average value WP of a real-time temperature set at a wiring port and a standard deviation WB of the real-time temperature set at the wiring port through a data storage unit; the measurement reference JZ of the wiring port is the ratio of the average value WP of the real-time temperature set at the wiring port to the standard deviation WB of the real-time temperature set at the wiring port, and then the measurement reference JZ of the wiring port is compared with a preset measurement threshold Jz; when JZ is larger than Jzmax, generating a puncture processing signal; when Jzmin is less than JZ and less than or equal to Jzmax, generating a first marking signal; when JZ is less than or equal to Jzmin, generating a second marking signal;
after the puncture processing signal is generated, immediately controlling the single part of the fireproof cabinet to carry out fireproof processing in the fireproof cabinet, synchronously closing all circuits, editing a clean replacement text and sending the text to a corresponding worker;
after the first marking signal or the second marking signal is generated, a real-time temperature set at the wiring port is obtained, and then the real-time temperature subset is compared with a preset temperature value: when the real-time temperature subset is smaller than a preset temperature value, a first decay set of the wiring port is constructed, otherwise, a second decay set of the wiring port is constructed;
and storing the first decay set of the wiring ports and the second decay set of the wiring ports;
the method comprises the steps of obtaining a first decay set of a wiring port and a second decay set of the wiring port of a latest timing period, obtaining the frequency of the wiring port appearing in the first decay set of the wiring port and the second decay set of the wiring port, constructing a first decay frequency and a second decay frequency, multiplying the first decay frequency and the second decay frequency generated by the same wiring port with corresponding bias parameters respectively, adding the products obtained after multiplying, obtaining a decay factor of the wiring port, comparing the decay factor of the wiring port with a preset decay value, counting and constructing the decay set of the wiring port when the decay factor of the wiring port reaches the preset decay value, editing and generating an interface replacement text and sending the interface replacement text to a worker.
Further, the fire prevention cabinet monomer includes the control casing, the internal fixed fire prevention case that is equipped with of control casing, one side middle part through connection of fire prevention case has the bag of putting out a fire, the solenoid valve is installed with the through connection department of fire prevention case to the bag of putting out a fire, the bag of putting out a fire has one side through connection of the back of the body fire prevention case mutually to have the inlet pipe, and the inside that the inlet pipe runs through the control casing extends to its outside and installs the feeding check valve, and the inlet pipe locates the middle part of the bag of putting out a fire, the both ends of the bag of putting out a fire are to having the extrusion slide, the adaptation of extrusion slide has drive unit, the opposite side through connection of fire prevention case has the installation to spout the board, the bottom surface that the board was spouted in the installation is the spout, the board equidistance is equipped with a plurality of spouting in the installation, the installation is spouted in the control casing, and the installation and is spouted board department and is equipped with the cabinet door, the cabinet door is installed on the control casing, the fire prevention case spouts the board through extending siphunculus through fixed mounting in one side of spouting the board.
Further, drive unit locates the two-way electronic lead screw in the control housing and fixes the spacing slide of locating in the control housing including rotating, the outer end symmetry thread bush of two-way electronic lead screw is equipped with the connecting loop bar, the connecting loop bar keep away from the one end of two-way electronic lead screw slide run through spacing slide and with extrusion slide fixed connection, and one side of spacing slide and PLASTIC CASE has formed the slide of extrusion slide.
Further, spacing slide has been seted up to spacing slide, connect the inside sliding connection of loop bar and spacing slide, the one end symmetry that the back of the body of extrusion slide connects the loop bar is equipped with spacing smooth protruding, spacing smooth protruding lateral wall sliding connection with the fire prevention case, and the lateral wall of fire prevention case has seted up spacing spout, and in spacing smooth protruding slip inlays and locates spacing spout.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
on the basis of calibrating a wiring port in use, parameter information at the wiring port at a shifting period is collected, and the parameter information at the wiring port at the shifting period is positioned, divided and subjected to peak-crossing regulation, so that analysis and judgment of overvoltage and overload of parameters at the shifting period are realized, voltage or current is automatically regulated, voltage is balanced, smoothness of power supply in the process of changing the operation state of an electric submersible pump is enhanced, the electric submersible pump is protected, and simultaneously, feedback information is integrated through overload recheck, automatic overload and overvoltage fire prevention and pre-induction of the service life of the wiring port are realized, a worker is assisted to replace a wiring device of the wiring port with a variable degree reached in advance, so that the conditions of overload and overvoltage are reduced, the safety of a control cabinet of the electric submersible pump is guaranteed in real time, micro-current is generated due to continuous movement of inertia of a rotating shaft of the electric submersible pump in the shifting period, the voltage at the wiring port is reversely influenced and is transmitted to the wiring port, and the stability of a power supply system is reduced, particularly, the wiring port is easy to be damaged and has the risk of current breakdown.
Drawings
FIG. 1 shows a flow chart of the present invention;
FIG. 2 shows a cross-sectional view of a fire protection cabinet cell;
FIG. 3 shows a partial enlarged view at A of FIG. 2;
illustration of the drawings: 1. a control housing; 2. a cabinet door; 3. installing a spray plate; 4. a fire-proof enclosure; 5. a fire extinguishing bag; 6. extruding the sliding plate; 7. connecting the loop bar; 8. a bidirectional electric screw rod; 9. a limiting sliding plate; 10. a limiting slideway; 11. a limiting chute; 12. limiting sliding protrusions; 13. extending the through pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
as shown in fig. 1, the electrical submersible pump control cabinet for preventing overvoltage faults has the following specific working steps:
the method comprises the following steps that firstly, a fire protection cabinet monomer is electrically connected with a plurality of electric submersible pumps, terminals of the electric submersible pumps are inserted into wiring ports in the fire protection cabinet monomer to supply power to the electric submersible pumps and control gear shifting of the electric submersible pumps, the gear shifting comprises opening, closing or inputting changes of power of the electric submersible pumps, the electric submersible pumps are also used for sensing information of environment conditions inside and outside the fire protection cabinet monomer and information of inertia electric working conditions of the electric submersible pumps in the fire protection cabinet monomer, and the information of the environment conditions inside and outside the fire protection cabinet monomer and the information of the inertia electric working conditions of the electric submersible pumps in the fire protection cabinet monomer are sent to a data storage unit for storage;
the information of the environmental conditions inside and outside the single fireproof cabinet body is the temperature at the wiring port of the single fireproof cabinet body; the inertia electric working condition information of the submersible electric pump in the fire-proof cabinet monomer consists of voltage fluctuation frequency at the shifting moment wiring port, voltage fluctuation amplitude at the shifting moment wiring port, current fluctuation frequency at the shifting moment wiring port and current fluctuation amplitude at the shifting moment wiring port;
the larger the voltage fluctuation frequency at the wiring port at the gear shifting moment, the voltage fluctuation amplitude at the wiring port at the gear shifting moment, the current fluctuation frequency at the wiring port at the gear shifting moment and the current fluctuation amplitude at the wiring port at the gear shifting moment are, the poorer the stability is, in the process of operation stop or operation power transition, the microcurrent is generated due to the continuous movement of the inertia of the rotating shaft of the submersible electric pump, the voltage at the wiring port is reversely influenced, the stability of the whole power supply system is reduced, and the risk of being burnt by current breakdown exists;
step two, the data dividing unit marks the wiring port ports of a plurality of inserted electrical submersible pumps as 1, 2 and 3 \8230, wherein \8230, i and i are positive integers, then each wiring port is provided with a corresponding electrical submersible pump, then the temperature of the wiring port of a fireproof cabinet monomer in the data storage unit is obtained through the data storage unit, and then the temperatures of the wiring port ports are calibrated to generate a real-time temperature set of the wiring port ports; sensing temperature at the single or multiple wiring ports through a set of real-time temperatures at the wiring ports;
the real-time temperature set at the wiring port is specifically denoted as W1, W2, W3, 82308230, 8230wi,
w1, W2, W3 \8230, 8230, wi is a real-time temperature subset of the real-time temperature set at the wiring port;
the data storage unit is used for acquiring inertia electric working condition information of an electric submersible pump in a fire-proof cabinet monomer in the data storage unit to construct a voltage instantaneous fluctuation frequency set at a wiring port, a voltage instantaneous fluctuation amplitude set at the wiring port, a current instantaneous fluctuation frequency set at the wiring port and a current instantaneous fluctuation amplitude set at the wiring port;
the set of instantaneous fluctuation frequencies of the voltage at the port is expressed as { P1, P2, P3 \8230;, pi };
p1, P2, P3 \8230;, pi are all voltage fluctuation frequency subsets of the instantaneous fluctuation amplitude set at the port terminals
The voltage instantaneous fluctuation amplitude set at the wiring port is specifically expressed as { F1, F2, F3 \8230;, fi };
f1, F2, F3 \8230 \ 8230;, fi is a voltage fluctuation amplitude subset of the voltage instantaneous fluctuation amplitude set at the wiring port;
the set of instantaneous fluctuation frequencies of the current at the wiring port is specifically expressed as { T1, T2, T3 \8230; \8230, ti };
t1, T2, T3 \8230;, ti is a current fluctuation frequency subset of the current instantaneous fluctuation frequency set at the wiring port
The current instantaneous fluctuation amplitude set at the wiring port is specifically represented as { Q1, Q2, Q3 \8230;, qi };
q1, Q2, Q3 \8230 \ 8230;, qi are current fluctuation amplitude subsets of the current instantaneous fluctuation amplitude set at the wiring port;
average value WP of the real-time set of temperatures at the connection port:
standard deviation WB of real-time temperature set at port:
；
average value PP of the set of instantaneous fluctuation frequencies of the voltage at the terminal:
standard deviation PB of the set of instantaneous fluctuation frequencies of the voltage at the terminal:
；
average value FP of the set of instantaneous fluctuation amplitudes of the voltage at the terminal:
；
standard deviation FB of the set of instantaneous fluctuation amplitudes of the voltage at the terminal:
；
average value TP of the set of instantaneous fluctuation amplitudes of the current at the terminal:
；
standard deviation TB of the set of instantaneous fluctuation amplitudes of the current at the terminal:
；
average value QP of the set of instantaneous fluctuation amplitudes of the current at the terminal:
；
standard deviation FB of the set of instantaneous fluctuation amplitudes of the current at the terminal:
；
the information is sent to a data storage unit in real time for storage;
thirdly, the over-peak regulating and controlling unit acquires an average value PP of a voltage instantaneous fluctuation frequency set at the wiring port, a standard deviation PB of the voltage instantaneous fluctuation frequency set at the wiring port, an average value FP of the voltage instantaneous fluctuation amplitude set at the wiring port, a standard deviation FB of the voltage instantaneous fluctuation amplitude set at the wiring port, an average value TP of a current instantaneous fluctuation amplitude set at the wiring port, a standard deviation FB of a current instantaneous fluctuation amplitude set at the wiring port, an average value QP of the current instantaneous fluctuation amplitude set at the wiring port and a standard deviation FB of the current instantaneous fluctuation amplitude set at the wiring port through the data storage unit;
then via the formula
Obtaining an inertia electric constant reference YA at the wiring port; the stability of each port of the wiring is judged integrally through the inertia electric constant reference YA at the port of the wiring; wherein e1, e2, e3, e4 and e5 are all weight correction coefficients at the wiring ports, and the weight correction coefficients at the wiring ports enable the calculated ground to be closer to the true value;
and comparing the generated inertia electric constant reference YA at the wiring port with a preset threshold YA:
when YA is less than Yamin, no control signal is generated;
when YA is more than or equal to Yamin and less than Yamax, generating an over-peak regulation signal;
when YA is larger than or equal to Yamax, an overload marking signal is generated;
after the over-peak regulation and control signal is generated, respectively acquiring a voltage instantaneous fluctuation frequency set at the wiring port and subsets exceeding the average value in the voltage instantaneous fluctuation amplitude set at the wiring port, and respectively constructing and generating an over-voltage peak frequency set and a voltage over-peak amplitude set from large to small;
then constructing corresponding identical wiring ports in the voltage over-peak frequency set and the voltage over-peak amplitude set to generate an identical-peak wiring port set, constructing corresponding non-identical wiring ports in the over-peak frequency set and the over-peak amplitude set to generate a non-identical-peak wiring port set, and controlling the non-identical-peak wiring port set to be in a to-be-processed state;
when the set at the same-peak wiring port is generated, the voltage at the wiring port is automatically adjusted and reduced to the average value through the voltage stabilizer, so that the voltage under the integral condition is adjusted, and the stability of an equipment circuit is ensured;
after the set adjustment is carried out on the same-peak wiring port, comparing the inertia electric constant reference YA at the wiring port with the preset threshold YA again, and when YA is less than Yamin, generating no control signal; when YA is larger than or equal to Yamin, automatically adjusting the voltage in the set at the non-peak wiring port in the state to be processed, so that the circuit is more stable;
the overload marking signal is also sent to an overload rechecking unit;
step four: after the overload rechecking unit receives the overload marking signal, the average value WP of the real-time temperature set at the wiring port and the standard deviation WB of the real-time temperature set at the wiring port are obtained through the data storage unit;
the measurement reference JZ of the wiring port is the ratio of the average value WP of the real-time temperature set at the wiring port to the standard deviation WB of the real-time temperature set at the wiring port, and the measurement reference JZ of the wiring port is compared with a preset measurement threshold Jz;
when JZ is larger than Jzmax, generating a puncture processing signal;
when Jzmin is less than JZ and less than or equal to Jzmax, generating a first marking signal;
when JZ is less than or equal to Jzmin, generating a second marking signal;
after the puncture processing signal is generated, immediately controlling the components of the single fireproof cabinet to perform fireproof processing in the single fireproof cabinet, synchronously closing all circuits, editing a cleaning and replacing text and sending the text to a corresponding worker, and reminding the worker to clean the single fireproof cabinet and replace a damaged wiring port;
after generating the first marker signal or the second marker signal: acquiring a real-time temperature set at a wiring port, and then respectively comparing a real-time temperature subset with a preset temperature value: when the real-time temperature subset is smaller than a preset temperature value, a first decay set of the wiring port is constructed, otherwise, a second decay set of the wiring port is constructed;
and storing the first decay set of the wiring ports and the second decay set of the wiring ports;
the method comprises the steps of obtaining a first decay set of a wiring port and a second decay set of the wiring port of a latest timing period, obtaining the frequency of the wiring port appearing in the first decay set of the wiring port and the second decay set of the wiring port, constructing a first decay frequency and a second decay frequency, multiplying the first decay frequency and the second decay frequency generated by the same wiring port by corresponding weight parameters respectively, adding the products obtained after multiplying the first decay frequency and the second decay frequency to obtain a decay factor of the wiring port, comparing the decay factor of the wiring port with a preset decay value, counting and constructing the decay set of the wiring port when the decay factor of the wiring port reaches the preset decay value, editing and generating an interface replacement text and sending the interface replacement text to a worker, and replacing the wiring port in the decay set of the wiring port when the worker receives the interface replacement text;
by integrating the technical scheme, on the basis of calibrating the wiring port in use, the parameter information at the wiring port in the shift period is collected, the parameter information at the wiring port in the shift period is positioned, divided and regulated in an over-peak mode, analysis and judgment of parameter overvoltage and overload in the shift period are realized, voltage or current is automatically regulated, voltage is balanced, smoothness of power supply in the process of changing the operation state of the electric submersible pump is enhanced, the electric submersible pump is protected, meanwhile, feedback information is integrated through overload recheck, automatic overload and overvoltage fire prevention and pre-induction of the wiring port to judge the service life of the electric submersible pump are realized, workers are assisted to replace wiring devices of the wiring port with the attenuation degree reaching in advance, the overload and overvoltage conditions are reduced, and safety of an electric submersible pump control cabinet is guaranteed in real time.
Example 2:
referring to fig. 2-3, an electric submersible pump control cabinet for preventing overvoltage faults comprises a control shell 1, a fire prevention box 4 is fixedly arranged in the control shell 1, a fire extinguishing bag 5 is connected to the middle of one side of the fire prevention box 4 in a through manner, fire extinguishing materials such as fire extinguishing gas, liquid or solid powder are stored in the fire extinguishing bag 5, an electromagnetic valve is installed at the through connection position of the fire extinguishing bag 5 and the fire prevention box 4 and used for controlling the circulation of the fire extinguishing materials in the fire extinguishing bag 5, a feed pipe is connected to one side of the fire extinguishing bag 5 opposite to the fire prevention box 4 in a through manner, the feed pipe extends to the outside of the fire extinguishing bag 1 through the inside of the control shell 1 and is provided with a feed check valve, the feed pipe feeds or supplements materials into the fire extinguishing bag 5 through the feed check valve, extrusion sliding plates 6 are abutted to the two ends of the fire extinguishing bag 5, and a driving unit for driving the extrusion sliding plates 6 to move relatively to extrude the fire extinguishing bag 5 is adapted to the fire extinguishing bag, the extrusion sliding plate 6 extrudes the fire extinguishing bag 5 to increase the discharging speed of the fire extinguishing bag, the fire prevention efficiency is increased, the driving unit comprises a bidirectional electric screw rod 8 which is rotatably arranged in the control shell 1 and a limit sliding plate 9 which is fixedly arranged in the control shell 1, the outer end symmetrical thread sleeve of the bidirectional electric screw rod 8 is provided with a connecting loop bar 7, one end of the connecting loop bar 7, which is far away from the bidirectional electric screw rod 8, is slidably penetrated through the limit sliding plate 9 and is fixedly connected with the extrusion sliding plate 6, one side of the limit sliding plate 9 and one side of the fire box 4 form a slide way of the extrusion sliding plate 6, the limit sliding plate 9 is provided with a limit slide way 10, the connecting loop bar 7 is slidably connected with the inside of the limit slide way 10, the connecting loop bar 7 slides along the limit slide way 10, the bidirectional electric screw rod 8 drives the two connecting loop bars 7 sleeved with the symmetrical thread to move relatively or move back to back, the fireproof box is characterized in that an extrusion sliding plate 6 fixed with the fireproof box is driven to relatively slide or reversely slide, the other side of the fireproof box 4 is connected with an installation spraying plate 3 in a penetrating manner, the top surface of the installation spraying plate 3 is used for installing a wire connector, the wire connector is provided with a plurality of wire connecting ports, the wire connector is not drawn, the bottom surface of the installation spraying plate 3 is a nozzle, a plurality of installation spraying plates 3 are arranged at equal intervals, the installation spraying plate 3 is fixedly arranged in a control shell 1, a cabinet door 2 is arranged at the installation spraying plate 3, the cabinet door 2 is arranged on the control shell 1, the fireproof box 4 is in through connection with the installation spraying plate 3 through an extension through pipe 13, the extension through pipe 13 is fixedly arranged on one side of the installation spraying plate 3, a limiting sliding protrusion 12 is symmetrically arranged at one end, opposite to a loop bar 7, of the extrusion sliding plate 6, the limiting sliding protrusion 12 is in sliding connection with the outer side wall of the fireproof box 4, a limiting sliding chute 11 is arranged on the outer side wall of the fireproof box 4, and the limiting sliding protrusion 12 is embedded in the limiting chute 11 in a sliding manner, so that the sliding stability of the extrusion sliding plate 6 is enhanced;
the specific control process of the fire prevention processing when the overload reinspection unit generates the puncture processing signal is as follows:
open the solenoid valve of the through connection department of capsule 5 and firebox 4 after puncture processing signal generation, make the fire extinguishing material who stores in the capsule 5 of putting out a fire enter into the firebox 4, then enter into in the installation spout board 3 through extending siphunculus 13 by 4 pressurization of firebox, then spout on the connector in the control housing 1 in the board 3 is spouted in the installation spout, put out a fire to connector department and handle, 8 work of the two-way electronic lead screw of simultaneous control drives spacing slide 9 relative slip, extrude capsule 5 contractions behind the spacing slide 9 relative slip, the fire extinguishing material in it can accelerate the blowout behind the capsule 5 contractions behind the shrink of putting out a fire, thereby reach better fire prevention's effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The control cabinet of the electric submersible pump for preventing overvoltage faults is characterized by comprising a fire prevention cabinet single body, wherein the fire prevention cabinet single body is used for mounting the electric submersible pump through a wiring port; the system is also used for sensing the environmental condition information inside and outside the single fireproof cabinet body and the inertia electric working condition information of the electric submersible pump in the single fireproof cabinet body and sending the information to the data storage unit for storage; the information of the environmental conditions inside and outside the single fireproof cabinet body is the temperature at the wiring port of the single fireproof cabinet body; the inertia electric working condition information of the submersible electric pump in the fire-proof cabinet monomer consists of voltage fluctuation frequency at the shifting moment wiring port, voltage fluctuation amplitude at the shifting moment wiring port, current fluctuation frequency at the shifting moment wiring port and current fluctuation amplitude at the shifting moment wiring port;
the data dividing unit is used for dividing the wiring port, acquiring the internal parameters of the data dividing unit to construct a real-time temperature set at the wiring port, a voltage instantaneous fluctuation frequency set at the wiring port, a voltage instantaneous fluctuation amplitude set at the wiring port, a current instantaneous fluctuation frequency set at the wiring port and a current instantaneous fluctuation amplitude set at the wiring port, calculating to obtain a corresponding average value and a corresponding standard deviation, and sending the information to the data storage unit for storage;
the over-peak regulation and control unit is used for acquiring an average value and a standard deviation of a voltage instantaneous fluctuation frequency set at the wiring port, a voltage instantaneous fluctuation amplitude set at the wiring port, a current instantaneous fluctuation frequency set at the wiring port and a current instantaneous fluctuation amplitude set at the wiring port through the data storage unit, carrying out model quantization processing on an over-peak regulation and control signal and an overload marking signal, and automatically regulating the voltage to be reduced to reach corresponding smoothness when the over-peak regulation and control signal is generated; the generated overload marking signal is also sent to an overload rechecking unit;
the overload rechecking unit is used for receiving the overload marking signal, acquiring the average value WP of the real-time temperature set at the wiring port and the standard deviation WB of the real-time temperature set at the wiring port through the data storage unit, and generating a decay set for assisting a worker to replace the wiring port of the wiring port or a puncture processing signal for controlling a component to work to automatically prevent fire and extinguish fire after the decay fire model is processed;
the specific working steps of the model quantization processing are as follows:
respectively calibrating and analyzing an average value and a standard difference corresponding to the voltage instantaneous fluctuation frequency set at the wiring port, the voltage instantaneous fluctuation amplitude set at the wiring port, the current instantaneous fluctuation frequency set at the wiring port and the current instantaneous fluctuation amplitude set at the wiring port to generate an inertia electric constant reference YA at the wiring port; and then comparing the generated inertia electric constant reference YA at the wiring port with a preset threshold YA: when YA is less than Yamin, no control signal is generated; when YA is more than or equal to Yamin and less than Yamax, generating an over-peak regulation signal; when YA is larger than or equal to Yamax, an overload marking signal is generated;
the formula for calculating the inertia electric constant reference YA is as follows:
wherein e1, e2, e3, e4 and e5 are weight correction coefficients at the wiring port; the average value of the voltage instantaneous fluctuation frequency set at the wiring port is PP, the standard deviation of the voltage instantaneous fluctuation frequency set at the wiring port is PB, the average value of the voltage instantaneous fluctuation amplitude set at the wiring port is FP, the standard deviation of the voltage instantaneous fluctuation amplitude set at the wiring port is FB, the average value of the current instantaneous fluctuation frequency set at the wiring port is TP, the standard deviation of the current instantaneous fluctuation frequency set at the wiring port is T B, the average value of the current instantaneous fluctuation amplitude set at the wiring port is QP, and the standard deviation of the current instantaneous fluctuation amplitude set at the wiring port is Q B; wherein Yamin is the minimum value of the preset threshold Ya, and Yamax is the maximum value of the preset threshold Ya;
the specific process of automatically adjusting the voltage reduction to reach the corresponding smoothness after the over-peak regulation signal is generated is as follows:
when the over-peak regulation and control signal is generated, respectively acquiring a voltage instantaneous fluctuation frequency set at the wiring port and subsets exceeding the average value in the voltage instantaneous fluctuation amplitude set at the wiring port, and then respectively arranging the subsets from large to small to construct and generate an over-voltage peak frequency set and a voltage over-peak amplitude set; constructing corresponding same wiring ports in the voltage over-peak frequency set and the voltage over-peak amplitude set to generate a set of wiring ports with the same peak, otherwise, constructing and generating a set of wiring ports with different peaks, and controlling the set of wiring ports with different peaks to be in a state to be processed; automatically adjusting and reducing the voltage at the wiring ports to the average value through a voltage stabilizer after the set at the wiring ports with the same peak is generated, comparing the inertia electric constant reference YA at the wiring ports with the preset threshold YA again after the set at the wiring ports with the same peak is adjusted, and generating no control signal when YA is less than Yamin; when YA is more than or equal to Yamin, automatically adjusting and reducing the voltage in the set at the non-peak wiring port in the state to be processed;
the specific working process of the decay fire model treatment is as follows:
acquiring an average value WP of a real-time temperature set at a wiring port and a standard deviation WB of the real-time temperature set at the wiring port through a data storage unit; the measurement reference JZ of the wiring port is the ratio of the average value WP of the real-time temperature set at the wiring port to the standard deviation WB of the real-time temperature set at the wiring port, and then the measurement reference JZ of the wiring port is compared with a preset measurement threshold Jz; when JZ is larger than Jzmax, generating a puncture processing signal; when Jzmin is larger than JZ and is smaller than or equal to Jzmax, generating a first marking signal; when JZ is less than or equal to Jzmin, generating a second marking signal; jzmax is the maximum value of a preset measurement threshold value Jz, and Jzmin is the minimum value of the preset measurement threshold value Jz;
after the puncture processing signal is generated, immediately controlling the single part of the fireproof cabinet to carry out fireproof processing in the fireproof cabinet, synchronously closing all circuits, editing a clean replacement text and sending the text to a corresponding worker;
after the first marking signal or the second marking signal is generated, a real-time temperature set at the wiring port is obtained, and then the real-time temperature subset is compared with a preset temperature value: when the real-time temperature subset is smaller than a preset temperature value, a first decay set of the wiring port is constructed, otherwise, a second decay set of the wiring port is constructed;
and storing the first decay set of wiring ports and the second decay set of wiring ports;
the method comprises the steps of obtaining a first decay set of a wiring port and a second decay set of the wiring port of a latest timing period, obtaining the frequency of the wiring port appearing in the first decay set of the wiring port and the second decay set of the wiring port, constructing a first decay frequency and a second decay frequency, multiplying the first decay frequency and the second decay frequency generated by the same wiring port with corresponding bias parameters respectively, adding the products obtained after multiplying, obtaining a decay factor of the wiring port, comparing the decay factor of the wiring port with a preset decay value, counting and constructing the decay set of the wiring port when the decay factor of the wiring port reaches the preset decay value, editing and generating an interface replacement text and sending the interface replacement text to a worker.
2. The electrical submersible pump control cabinet for preventing overvoltage faults as claimed in claim 1, characterized in that the fire-proof cabinet comprises a control housing (1) alone, a fire-proof box (4) is fixedly arranged in the control shell (1), the middle part of one side of the fire-proof box (4) is communicated with a fire-extinguishing bag (5), the through connection part of the fire extinguishing bag (5) and the fire-proof box (4) is provided with an electromagnetic valve, one side of the fire extinguishing bag (5) back to the fire-proof box (4) is connected with a feeding pipe in a through way, the feeding pipe extends to the outside of the control shell (1) through the inside of the control shell and is provided with a feeding one-way valve, the feeding pipe is arranged in the middle of the fire extinguishing bag (5), the two ends of the fire extinguishing bag (5) are connected with the extrusion sliding plates (6) in a butting way, the extrusion sliding plate (6) is matched with a driving unit, the other side of the fire-proof box (4) is connected with an installation spraying plate (3) in a penetrating way, the bottom surface of the mounting spray plate (3) is provided with a plurality of spouts, the mounting spray plates (3) are arranged at equal intervals, the installation spray plate (3) is fixedly arranged in the control shell (1), a cabinet door (2) is arranged at the position where the spray plate (3) is arranged, the cabinet door (2) is arranged on the control shell (1), the fire-proof box (4) is communicated with the installation spray plate (3) through an extension through pipe (13), and the extension through pipe (13) is fixedly arranged at one side of the spray plate (3).
3. The electrical submersible pump control cabinet for preventing overvoltage faults according to claim 2, characterized in that the driving unit comprises a bidirectional electric screw rod (8) rotatably arranged in the control housing (1) and a limiting slide plate (9) fixedly arranged in the control housing (1), the outer end of the bidirectional electric screw rod (8) is symmetrically threaded and sleeved with a connecting sleeve rod (7), one end of the connecting sleeve rod (7) far away from the bidirectional electric screw rod (8) slides to penetrate through the limiting slide plate (9) and is fixedly connected with the extrusion slide plate (6), and one side of the limiting slide plate (9) and one side of the fire box (4) form a slide way of the extrusion slide plate (6).
4. The electrical submersible pump control cabinet for preventing overvoltage faults according to claim 3, wherein the limiting slide plate (9) is provided with a limiting slide way (10), the connecting loop bar (7) is slidably connected with the inside of the limiting slide way (10), the extrusion slide plate (6) is symmetrically provided with a limiting sliding protrusion (12) at one end opposite to the connecting loop bar (7), the limiting sliding protrusion (12) is slidably connected with the outer side wall of the fire box (4), the outer side wall of the fire box (4) is provided with a limiting slide groove (11), and the limiting sliding protrusion (12) is slidably embedded in the limiting slide groove (11).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204402920U (en) * | 2014-05-30 | 2015-06-17 | 中国石油化工股份有限公司 | A kind of submersible electric pump control gear |
| WO2021232933A1 (en) * | 2020-05-19 | 2021-11-25 | 华为技术有限公司 | Safety protection method and apparatus for robot, and robot |
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| US7529069B1 (en) * | 2002-08-08 | 2009-05-05 | Weems Ii Warren A | Apparatus and method for ground fault detection and location in electrical systems |
| JP4943961B2 (en) * | 2007-07-18 | 2012-05-30 | 東京瓦斯株式会社 | Switchboard deterioration diagnosis system, switchboard deterioration diagnosis device, switchboard deterioration diagnosis method and program |
| US9008891B2 (en) * | 2012-10-03 | 2015-04-14 | GM Global Technology Operations LLC | Temperature sensor rationalization |
| US11946982B2 (en) * | 2013-03-29 | 2024-04-02 | GRID20/20, Inc. | Fire mitigation and downed conductor detection systems and methods |
| DK3396802T3 (en) * | 2017-04-26 | 2022-03-14 | Abb Spa | PROCEDURE FOR IDENTIFYING A MISTAKE IN A SECTOR OF A POWER DISTRIBUTION NETWORK |
| CN108196170B (en) * | 2017-12-28 | 2020-10-30 | 河南理工大学 | Fault arc detection system and method |
| CN111505563B (en) * | 2020-06-16 | 2020-12-15 | 国网江西省电力有限公司电力科学研究院 | Comprehensive error testing method for electric energy meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204402920U (en) * | 2014-05-30 | 2015-06-17 | 中国石油化工股份有限公司 | A kind of submersible electric pump control gear |
| WO2021232933A1 (en) * | 2020-05-19 | 2021-11-25 | 华为技术有限公司 | Safety protection method and apparatus for robot, and robot |
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