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

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 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 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 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.

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.

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 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.