73results about How to "Avoid misuse accidents" patented technology

The invention provides one intelligent remote close method and device to avoid electrical error operation, which comprises PAD computer, blue teeth opener and intelligent lock ware, wherein, the PAD computer is imbedded with relative operation software and blue teeth module for communication by blue teeth opener to collect relative information; it judges and sends operation order according to the rules to drive blue teeth opener; the intelligent lock ware has automatic opening and feedback information for display and relative operations by persons.

The invention provides a wireless electrically controlled lock and the controlling method thereof. The electrically controlled lock is provided with the functions of status signal feedback, locking logic control and transmits the lock status and the control commands through operational prompting. The wireless electrically controlled lock has the advantages that the mis-operation is not easy to occur, and the security performance is high. The wireless electric controlled lock and the controlling method thereof adopts the technical proposal that a wireless electric controlled lock which comprises a lock body, a lock pin, an electric controlled element and a control circuit is adopted; a concave cavity used for positioning the electric controlled element and the control circuit and a communicating groove through which the lock pin can be ensured to vertically move are arranged on the lock body, a wireless receiving and transmitting circuit and a wireless receiving and transmitting antenna which can communicate data with an external controller are arranged on the control circuit, and the wireless receiving and transmitting circuit and the rest parts of the control circuit are electrically connected and jointly arranged in the casing body of the wireless electric controlled lock.

The invention discloses a five-prevention interlocking topology analysis method based on a substation scalable vector graphics (SVG) primary connection diagram. The method is characterized by comprising the following steps: in the substation SVG primary connection diagram, setting two node numbers for switches and knife switches respectively, only one node number for an earthing knife switch and one node number for two connected devices, and forming topology connection relation files of devices; and searching devices related to each device through device node numbers generated by the SVG topology connection diagram to obtain states of devices related to an operation device, and generating five-prevention rules of the operation device according to device operation logic. According to the five-prevention interlocking topology analysis method, the devices related to each device is searched through device node numbers generated by the SVG topology connection diagram, and five-prevention rules of the operation device are generated through rules and states of devices related to the operation device, accordingly, various mis-operation accidents are effectively prevented.

The invention provides an intelligent terminal for substation operation and inspection, which belongs to the power system. The intelligent terminal for substation operation and inspection comprises a processing circuit formed by a processor and a memory circuit connected with the processor. The periphery of the processing circuit is connected with a communication circuit and a GPS module circuit; the processing circuit is provided with an instruction input and output interface; an audio key circuit and an image acquisition module are connected onto the instruction input interface; a voice alarming circuit is arranged on the instruction output interface; the processing circuit is also provided with a power supply interface; a charging and discharging circuit and a battery are connected onto the power supply interface; and a liquid crystal display circuit is also connected onto the intelligent terminal. Real-time control and security response towards the inspection content can be realized by using the intelligent terminal, standardization and programming of behaviors of an operation and maintenance person can be realized, electronic monitoring on a monitoring person is realized, happening of electrical misoperation accidents is prevented, the personal safety, the power grid safety and the device safety are ensured, and the misoperation generation rate is reduced.

The invention discloses a secondary device soft strap misoperation-preventive locking design method. The method comprises the following steps of: 1) improving misoperation-preventive management software on an original interface basis, and adding a second device soft strap virtual knob in a primary device interval; 2) combining a primary device switching operation logic sequence to establish a misoperation-preventive logic formula comprising secondary device soft strap; 3) writing a misoperation-preventive program of the secondary device soft strap according to the logic formula; 4) performingsimulated switching operation at a transformer substation field to debug the misoperation-preventive locking program; and 5) debugging an online monitoring system to be in communication connection with the microcomputer secondary device soft strap to ensure the data transmission timeliness of the misoperation-preventive management software and a monitoring background. The misoperation-preventive locking function of the secondary device soft strap is added so that each step must go through unlocking verification in the operation process of running operators and the secondary device soft strap with other intervals cannot be switched even though the interval is wrong to avoid misoperation accidents.

The invention discloses a transformer substation standard operation firming method which includes steps of operation order selection, identification verification, identification management, electric signing and the like. The transformer substation standard operation firming method is reasonable and capable of effectively improving misoperation prevention effect and achieving twice the result with half the effort in misoperation prevention. In addition, by the transformer substation standard operation firming method, 'technical prevention' measures are utilized fully to overcome defects of 'personal protection', field switching operation standardization, which is a big problem hard to solve for years, is controlled effectively and safely, accident prevention capacity is improved, and field violation and accident generation frequency are suppressed greatly. Accordingly, the transformer substation standard operation firming method has great direct economical benefit for enterprises and indirect social benefit.

The invention relates to a laser detection display for judging the actual position of a power knife switch, which comprises a laser transmitting circuit and a photosensitive receiving circuit, wherein the laser transmitting circuit mainly comprises a 2-hertz frequency oscillator and a plurality of laser tubes; the quantity of photosensitive tubes is identical to that of the laser tubes in the laser transmitting circuit, and each photosensitive tube is connected into a DC power supply loop after being serially connected with a light-emitting tube and a resistor in sequence; and the laser tubesand the photosensitive tubes are equidistantly arranged on the left side and the right side of the movement track of an moving contact insulating porcelain bottle of the power knife switch respectively, and the distance between two adjacent laser tubes and that between two adjacent photosensitive tubes are not greater than the diameter of the moving contact insulating porcelain bottle of the power knife switch. By using the laser detection display provided by the invention, the actual position of the operated knife switch can be effectively judged and displayed, the misoperation accidents of closing energized switch to grounded part or closing grounding switch to energized live part are avoided, and the safety of power equipment running is improved.

The invention relates to a high-pressure heavy-calibre tapping machine with an external independent adjustable pressure balance system. Based on the prior tapping machine, the external independent adjustable pressure balance system forms a pressure balance oil cavity in a sealing way at the position of the rear end surface of a drill rod of the tapping machine, so that pressures acted on upper section and lower section of the drilling rod of the tapping machine are balanced, thereby ensuring the balance of upper pressure and lower pressure of a feed screw nut, (i.e., ensuring that the screw nut does not bear any force). Compared with similar products, the invention has the advantages of simple structure and high controllability, and fills the blank of the tapping machine combined with the characteristics of heavy calibre and high pressure in the world; in addition, the invention can freely adjust the pressure differences of upper pressure and lower pressure of the drilling rod of the tapping machine according to real working pressure, thereby realizing the pressure balance and stabilization of the tapping machine in working. The invention has the advantages of simple operation and good safety and reliability and solves the worldwide difficulty of the lack of the high-pressure heavy-calibre pipeline renovation tapping machine.

The invention provides a misoperation-proof locking earth wire control system and a control method with convenient construction and management, which can avoid the misoperation, and can effectively conduct assemble and disassemble management of the temporary earth wire and real-time radio signal communication. The misoperation-proof locking earth wire control system comprises a temporary earth connection device and a five-prevention main machine, the temporary earth connection device comprises an earth wire clamp, a cable, as well as an earth wire pile head; the earth wire clamp comprises an earth wire connecting device can conveniently conduct connection and dismantlement with a power transmission line and a cable clamp device connected with an earth wire cable, wherein, the earth wire clamp is also arranged with a controller circuit that can detect whether the power transmission line exists and can outwardly transmit the detected signals, and the controller circuit is sealed and packaged on the earth wire connecting device; the five-prevention main machine comprises a misoperation-proof locking judgment module and a wireless signal transceiver module.

The invention relates to a temporary grounding line management system and a control method for a distribution network. The system comprises a regulation and control center, a handheld intelligent terminal, a smart key and a smart lock, wherein the regulation and control center and the handheld intelligent terminal are wirelessly connected, and the handheld intelligent terminal and the smart key are wirelessly connected; during operation, all grounding line device information is triggered, downloaded and updated on the handheld intelligent terminal; the operation position information is manually input or input by code scanning and sent to the regulation and control center for approval and confirmation; the handheld intelligent terminal compares the grounding wire hung / dismantled state; after a consistent comparison, an authorization unlocking / locking command is issued to the smart key to complete the unlocking / locking operation; after the smart lock is unlocked or locked successfully, alock code value is automatically switched; and the smart key feeds back the switched lock code value to the handheld intelligent terminal to confirm the success of the hanging / dismantling operation and return the success to the regulation and control center to achieve unification of the grounding line information, and to effectively help the operating personnel to quickly understand the situationof the grounding line of the distribution network so as to avoid the occurrence of maloperation.

The invention relates to the field of intelligent permanent magnetic high pressure vacuum circuit breakers, in particular to an intelligent modularized permanent magnetic mechanism controller. The intelligent modularized permanent magnetic mechanism controller comprises a microcontroller, and is characterized in that the microcontroller is respectively connected with a contact temperature sampling circuit, a switch current voltage acquisition circuit, a switch position state circuit, a capacitor voltage sampling circuit and a remote local control circuit so as to obtain input information; and the microcontroller is also respectively connected with an IGBT (Insulated Gate Bipolar Translator) drive module, a direct current motor drive circuit, a relay state indicator lamp circuit, an LCM (liquid crystal module) and a voice integrated module so as to output the information and an instruction. The invention provides the intelligent modularized permanent magnetic mechanism controller, which has the functions of monitoring the mechanical properties and the contact temperature of a high pressure vacuum circuit breaker on line, achieving the voice guide operation and controlling an electric pushing mechanism in addition to the function of the conventional permanent magnetic controller, and can effectively prevent the potential hazard of the operation accidents of the vacuum circuit breaker and avoid the misoperation accidents.

The invention discloses a solidification power transformation specification operation system. A data processing module is connected with an information interactive module which is connected with a display screen and a capacitive touch pad, the data processing module is connected with an operation ticket virtual printer module and a fingerprint acquisition module, a power supply module provides power for the modules, all the modules are installed in a shell, a camera, a loudspeaker, a USB interface and a microphone interface are arranged on the shell and connected with the data processing module, and a clamping structure for placing a microphone is arranged on the shell. The solidification power transformation specification operation system is reasonable in structure and capable of effectively improving the working effect of misoperation resistance and plays a role in misoperation accident prevention in the mode of half the work with double results, the ability to prevent accident is improved, times of on-site violation and accident occurrence are greatly restrained, and direct economic benefits of enterprises and indirect benefits of the society are tremendous.

The invention relates to petroleum drilling engineering safety control technology, and discloses a method and pump pressure protection system for preventing misoperation of a drilling pump in petroleum drilling engineering. Accoding to the method, it is assumed that the average value of mud pressure difference between upstream and downstream pipelines of a high pressure valve under normal operating conditions is n, and a parameter N is set to satisfy the condition that N-n is greater than or equal to 1 and less than or equal to 3; and when the drilling pump is started, comparison is carried out in real time according to the pressure P 0 in a riser, the pressure P 1 of a drilling pump I and the pressure P 2 of a drilling pump II, specifically, (1) if P 0-P 1 is less than or equal to N, or P2-P 1 is less than or equal to N and P 0-P 1 is less than or equal to N, it is determined that the high pressure valve of the drilling pump I is in an open state and the drilling pump I can be started; (2) if P 0-P 2 is less than or equal to N, or P 1-P 2 is less than or equal to N and P 0-P 2 is less than or equal to N, it is determined that the high pressure valve of the drilling pump II is inan open state and the drilling pump II can be started; (3) If P 0-P 1 is greater than N, or P 2-P 1 is greater than N and P 0-P 1 is greater than N, it is determined that the high-pressure valve of the drilling pump I is in a closed state and the drilling pump I cannot be started; and (4) if P 0-P 2 is greater than N, or P 1-P 2 is greater than N and P 0-P 2 is greater than N, it is determined that the high-pressure valve of the drilling pump II is in a closed state and the drilling pump II cannot be started.

The invention relates to an automatic bridging graphics processing method for a power system circuit. The method comprises the following steps of: performing regional partition on an entire drawing sheet; primitives classification: defining all primitives into intra-regional primitives and trans-regional primitives; primitive intersection judgment: judging whether each intra-regional primitive intersects or not, and performing intersection judgment on the trans-regional primitives and all primitives gradually; dynamic intersection refreshing; bridging intersection point drawing: calculating bridging intersection point positions, and drawing a bridging displaying effect in a window; and refreshing displaying of primitives: recalculating intersection points when a graphics window is operated by moving, and refreshing intersection bridging displaying following primitives in a display region together till displaying of the entire drawing sheet is refreshed. Due to the adoption of the method, error operation accidents caused by wrong identification of intersection points is effectively avoided, very high practicability is achieved, graphics are easier and more convenient to maintain, and graphics intersection points are definite and clear; and the method plays an important role in rapidly handling power accidents, performing training work and the like.

The invention discloses an intelligent interception key interlocking system, which consists of an intelligent key management and control system, an interception key interlocking system and an auxiliary hasp padlock system. The system comprises the following use steps: S1, obtaining authorization of the intelligent key management and control system; S2, taking out a corresponding authorization keyfrom the intelligent key cabinet; S3, inserting a key to cut off a power source, and releasing a safety key A; S4, inserting the safety key A, and replacing an access control key from an interlockingconverter; S5, inserting the access control key to open an access door; S6, entering a maintenance area and unlocking an internal control bolt lock; and S7, restarting the equipment, and correctly resetting the authorization key after quit of personnel. According to the invention, hierarchical and classified management and control of personnel entering a protection area can be standardized, mechanical protection and maintenance energy isolation are combined, the essential safety of an enterprise is improved, and the authorization management level of the enterprise is improved through the intelligent management and control specification.

A vacuum cabinet rear forced interlocking mechanism comprises a rear plate, an isolation cam, an isolation main shaft, a breaker cam, a breaker main shaft, a grounding cam and a grounding main shaft.The isolation cam is arranged on the isolation main shaft which is connected with an isolation switch rotating shaft; the circuit breaker cam is arranged on the circuit breaker main shaft; the circuitbreaker is connected with the circuit breaker switch rotating shaft; the grounding cam is arranged on a grounding main shaft which is connected with a grounding switch rotating shaft; a first interlocking linkage device and a second interlocking linkage device are arranged between the isolation cam and the circuit breaker cam and between the circuit breaker cam and the grounding cam, so that thecircuit breaker cannot be switched on when the isolation switch is switched off; after the isolation switch is switched on, the circuit breaker can be switched on; after the circuit breaker is switched on, the isolation switch and the grounding switch cannot be operated; and after the grounding switch is switched on, the circuit breaker cannot be switched on. The interlocking device is simple in structure, easy to operate and high in safety, the interlocking function among the isolation switch, the circuit breaker and the grounding switch can be reliably achieved, and misoperation accidents are avoided.

The invention provides an electricity-detecting / phase-checking double-purpose handcart which is characterized in that the electricity-detecting / phase-checking double-purpose handcart comprises a vehicle frame, a contact arm and a chassis vehicle, wherein the vehicle frame is in a frame structure; the upper portion of the vehicle frame is provided with an installation beam and a phase-checking function displayer; the installation beam is connected with the contact arm through a sensor; the two sides, connected with the vehicle frame, of the installation beam are respectively provided with a movable tightening valve; the lower portions of the two sides of the vehicle frame are respectively provided with a handcart push plate; and the vehicle frame is arranged on the chassis vehicle. The electricity-detecting / phase-checking double-purpose handcart provided in the invention can directly carry out electricity-detecting or phase-checking during repairing or maintaining.

The invention discloses an anti-misoperation method for the automation personnel in the electric power system. The anti-misoperation method comprises the following steps: (1) firstly, logging in the nodes allowing the remote-control operations as a user having the remote-control permission, and selecting the remote-control objects; (2) reading a station remote-control information list and a remote-control prescription and permission list; and (3) firstly, judging whether the remote-control permission is allocated to the corresponding remote control object, if not, according to the test results, logging off the remote-control process, and if so, according to the test results, further verifying whether the permission is ineffective, if so, logging off the remote-control process, and if not, entering into the normal remote-control process. By taking the factors, such as operators, responsibility areas, nodes at which operations are performed, permission time limit and the like, into comprehensive consideration, the invention can not only achieve the flexible and simple permission allocation, but also guarantee the integrity of the permission constraints.

Provided are a disconnecting switch and an interlocking mechanism of a circuit breaker, wherein the disconnecting switch and the interlocking mechanism of the circuit breaker are simple in structure and convenient to operate and improve reliability. The disconnecting switch and the circuit breaker are arranged in a cabinet body, the cabinet body is provided with an upper cabinet body and a lower cabinet body, the disconnecting switch is arranged in the upper cabinet body, the circuit breaker is arranged in the lower cabinet body, the circuit breaker is provided with a separating brake accessory shaft, and the disconnecting switch and the circuit breaker are separated through a partition board. The upper cabinet body is opened and closed through an upper front door, and the lower cabinet body is opened and closed through a lower front door. The interlocking mechanism comprises an upper front door interlocking part, a lower front door interlocking part and a control assembly. The interlocking mechanism controls the upper door interlocking part and the lower door interlocking part at one time through the control assembly. The disconnecting switch and the interlocking mechanism of the circuit breaker are simple to operate and high in reliability and avoid misoperation accidents.

An interlocking device special for a KYN10-35kV switch cabinet comprises a grounding shaft and two door leaves, wherein the grounding shaft is arranged on the lower portion of one side of the inner cavity of a cabinet body and can carry out rotary movement, and the door leaves are hinged to the two side walls of a cable chamber on the back portion of the cabinet body respectively. The interlocking device is characterized in that a connecting lever is arranged at the inner end of the grounding shaft, the other end of the connecting lever is hinged to a connecting rod, and the other end of the connecting rod is connected with a plug through a hinge component; the end portion of the plug can carry out reciprocating movement relative to pin holes in a socket, and movable block sheets are arranged on the pin holes of the socket; the inner walls of the two door leaves are respectively provided with a locating sheet with a through hole, and when the two door leaves are closed, the locating sheets push the movable block sheets open to enter the socket, and the through holes are made to coincide with the pin holes. A set of interlocking device is additionally arranged at the inner end of the existing grounding shaft, and the interlocking function of the switching-on and switching-off state of a breaker and the opening and closing state of the cable chamber is achieved through shaft body rotation needed by switching-on and switching-off of the grounding shaft.

The invention relates to a technological parameter alarming method during the starting of a chemical engineering device, and mainly solves the problem that in the prior art, the chemical engineering device is easy to operate mistakenly and low in security coefficient when starting. The problem is well solved by the technical scheme that the technological parameter alarming method during the starting of the chemical engineering device comprises the following steps of: 1, inputting activation conditions, ending conditions, process alarm limit and condition confirmation alarm value of technological parameters into a configuration list in a server; 2, inputting DCS real-time data into a real-time data list in the server; 3, performing comparison in an inference engine, and inputting the significant comparison result into a result list; 4, reading data from the result list of the server by a client, and alarming according to the comparison result; the technological parameter alarming method during the starting of the chemical engineering device can be applied to the technological parameter alarming when the chemical engineering device starts.

The invention relates to an intelligent switching device for isolation switch operation power supplies at the two sides of a circuit breaker. The intelligent switching device comprises a local interval voice verification loop, a selection switch, a circuit breaker switch-off state signal acquisition loop, a power supply-side isolation switch switch-on state signal acquisition loop, a load-side isolation switch switch-off state signal acquisition loop, a switch-on and switch-off switching power supply control signal sending-out loop of a load-side isolation switch operation motor and a switch-on and switch-off switching power supply control signal sending-out loop of a power supply-side isolation switch operation motor, wherein the local interval voice verification loop is used for providing a local verification signal Bd; the selection switch is used for performing switch-on and switch-off operation and selecting to give out a signal Kf during switching off and give out a signal Kh during switching on; the circuit breaker switch-off state signal acquisition loop is used for giving out a signal Df; the power supply-side isolation switch switch-on state signal acquisition loop is used for giving out a signal Dh; and the load-side isolation switch switch-off state signal acquisition loop is used for giving out a signal Ff. By the intelligent switching device, a misoperation accident of a knife switch of a power system can be prevented, the man-made misoperation accident of the knife switch is reduced to zero, the jobs of protecting a human body, a power grid and the device are effectively fulfilled, and the running reliability and economy of the power system is improved.

The invention discloses a method for improving the switching operation accuracy of a power supply system, and belongs to the field of safer running of power systems. The method comprises the following steps: dividing an administrative region; filling large operation orders between dropping stations; acquiring the current and voltage of all electrical equipment, the opening and closing positions of circuit breakers, the positions of grounding switches and remote measurement and remote communication data in the dropping stations to an integrated automatic system; performing communication between superior and inferior dropping stations by adopting optical fibers; transmitting position signals of the grounding switches of incoming line spaces of the inferior dropping stations to the superior dropping stations through an optical fiber network; installing interlocking programs of five-prevention analogue screens. According to the method, various types of misoperation accidents between the dropping stations and in the dropping stations are effectively avoided, damage to the electrical equipment is reduced, and the switching operation accuracy is effectively improved.

The invention discloses large-span bridge construction monitoring and management equipment based on a BIM technology, which belongs to the technical field of bridge construction management and controland comprises a stand column and an intelligent control system arranged on the stand column. A driving groove is formed in the top of the stand column, a cover plate is fixedly connected to the top of the stand column corresponding to the driving groove, and a bearing is clamped to the top of the cover plate. A first motor, a second motor, an electric push rod, a first information acquisition device, a second information acquisition device, a flaw detector, a remote controller, a microcontroller, a central processing unit, a BIM storage module and a BIM editing module are designed to be matched with one another, misoperation accidents can be avoided to a high degree, in cooperation with the BIM technology, a worker can observe the three-dimensional volume dynamic scene of a large-span bridge construction monitoring part like being personally on the scene in a remote monitoring room, and the large-span bridge construction monitoring and management equipment has image management and global view.

The invention discloses an operating forceps end actuator assembly with a safety mechanism, and belongs to the technical field of medical instruments; the operating forceps end actuator assembly comprises an operating forceps main body, wherein a nail abutting seat is arranged at the tail end of the operating forceps main body, and a nail bin is arranged at the position, corresponding to the nail abutting seat, of the operating forceps main body; the surface of the nail bin is provided with a titanium nail guide-out opening corresponding to the position of the nail abutting seat. According to the invention, through the mutual cooperation of the designed structures such as the inclined plane body, the first supporting spring, the guide wheel, the ejector rod, the ejector pin, the second supporting spring, the limiting clamping piece, the limiting clamping box, the torsion spring, the first pin shaft, the second pin shaft, the concave groove and the permanent magnet sheet, the titanium nail can be prevented from being separated from the titanium nail lead-out opening to be discharged when misoperation occurs, and the operation is convenient. Therefore, misoperation accidents can be avoided to a high degree, the safety performance of the operating forceps body in the using process is further improved, the operating forceps has the reset function, usage is more convenient, and a good auxiliary effect is provided for behavior operation of medical staff.

The invention relates to the technical field of fuse installation work of a 10kV distribution line link in an electric power system, in particular to a drop-out fuse installation anti-shaking device.The drop-out fuse installation anti-shaking device comprises a handheld handle and a rod body arranged on the handheld handle. The upper portion of the rod body is connected with a remote control release clamp, and the remote control release clamp clamps or releases a fuse. The lower portion of the rod body is further provided with a controller, and the controller is electrically connected with the remote control release clamp. The device has the function of rotationally adjusting the fixed angle and the function of controlling the clamp to carry out clamping and opening in a wireless remote control mode. When the remote control release clamp does not receive a control signal, the fuse is clamped, shaking and displacement are effectively prevented, and alignment operation is facilitated.

The invention discloses a lock with a state detection function and a state detection method using the lock, and belongs to the technical field of power transmission and transformation. The lock comprises a lock body and a lock rod and further comprises a trigger resistor assembly, the trigger resistor assembly comprises a first trigger piece and a second trigger piece, and the first trigger piece or the second trigger piece is provided with a trigger resistor; and the lock body is provided with a detection module and a lock rod channel, the first trigger piece is arranged in the lock rod channel, and the second trigger piece is arranged at one end of the lock rod. When the lock rod is inserted into the lock rod channel and is inserted into the locking position, the first trigger piece makes contact with the second trigger piece, and the detection module is used for detecting the resistance value of the trigger resistor or the resistance value change value of the trigger resistor. The state detection method comprises a locking step and an unlocking step. According to the lock and the state detection method, the problem that misoperation accidents are caused due to the fact that the state feedback of whether a lock is locked or unlocked is difficult to obtain by the existing lock and an existing state detection method is solved.