43results about How to "Avoid Electrical Safety Accidents" patented technology

The invention discloses a visual operation process monitoring mistake precaution system and a control method. The visual operation process monitoring mistake precaution system comprises a centralized control mistake precaution main machine, a video integrated platform, an equipment video server, a station control mistake precaution main machine, a mobile video server, a monitoring and data collection system, a handheld intelligent terminal, a computer key, a locking lock and a mobile video terminal, wherein the centralized control mistake precaution main machine, the video integrated platform, the equipment video server, the station control mistake precaution main machine, the mobile video server and the monitoring and data collection system are interconnected through a wired network; the station control mistake precaution main machine, the handheld intelligent terminal and the computer key are sequentially connected with one another in a wireless manner; the locking lock is connected with the computer key in a wired manner; and the mobile video terminal is connected with the mobile video server in the wireless manner. According to the control method, through the measures of mistake precaution logic judgment, strayed interval judgment, equipment state confirmation, omnibearing video monitoring and the like, the problem of real-time interaction with field operation information is solved by a wireless network; a wireless mobile video is introduced; existing equipment videos are integrated; and the visual operation process monitoring mistake precaution system has the advantages that management of visual centralized operation monitoring mistake precaution on a centralized control station is achieved, the working efficiency of an electric power operation department is improved, and the safety management level of the electric power operation department is also improved.

The invention discloses a transformer substation indoor environment safety intelligent control system which comprises an environment control system as well as a fresh air system, an automatic discharging sub-system, a flame-proof sub-system, a safety early-warning system and a plurality of sensors which are mounted in a transformer substation and connected with the environment control system. The system has the functions of remote communication and monitoring; and in an age that more transformer substations are in unmanned management, by using the system, relevant people can query the environment information of the corresponding transformer substation easier and more conveniently, and receive a warning signal of various abnormal conditions immediately and make the corresponding treatment in time.

The invention discloses an outdoor electric vehicle charging pile. The outdoor electric vehicle charging pile comprises a charging pile body. Two arc-shaped connecting plates are fixedly arranged on the charging pile body, the ends of the connecting plates are connected with an extension part A and an extension part B, clamping parts matched with spherical clamping space are arranged at the two ends of a display panel, and a display screen is fixed into the charging pile body. A charging jack comprises a shell and a cover plate, a baffle is arranged at the bottom of the movable end of the cover plate, clamping seats matched with clamping columns and a limiting block capable of being matched with the baffle are correspondingly arranged on the shell, dovetail grooves are formed in the limiting block, and two elastic stand bars with the trapezoidal sections are installed at the ends of the baffle. The spherical clamping space formed between the extension part A and the extension part B is matched with the clamping part at the end of the display panel, multiple meshed-tooth-shaped sealing faces are formed at the joint, seamless connection between the display panel and the connecting plates is achieved, and the situation that an interface of the display screen of the charging pile is blurry on the road segments with serious dust pollution is avoided.

The invention relates to a high-voltage breaker on-line detection system and method. The system comprises a sensor module, a first switch power supply, a second switch power supply, a central processing circuit and a host computer. The sensor module is arranged inside the control box of a high-voltage breaker and connected with the central processing circuit. The first switch power supply is connected with the central processing circuit. The central processing circuit is wirelessly connected with the host computer. The second switch power supply is connected with the host computer. The high-voltage breaker on-line detection system and method can detect the loop circuits inside the high-voltage breaker in a real-time manner when electric power equipment is on. The electrical parameters of the high-voltage breaker during opening or closing processes can be acquired. The running state of the high-voltage breaker can be judged. Electric power safety accidents caused by faults of the high-voltage breaker can be effectively prevented.

The invention discloses an intelligent power utilization safety early warning and protection cloud system. The system comprises an electric device, a plurality of data collection terminals, a wirelessdata collector, a cloud server and a mobile device; the output end of the electric device is connected with the input ends of the data collection terminals, and the output ends of the data collectionterminals are connected with the input end of the wireless data collector through RS485 cables. According to the intelligent power utilization safety early warning and protection cloud system, an electrical safety monitoring device with relatively high monitoring precision is adopted and is arranged on equipment such as a power transformer and a temperature sensor; main factors (wire temperature,current, leakage current and the like) causing electrical fire and electric shock are subjected to real-time on-line monitoring and statistical analysis, and potential safety hazards (such as abnormal cable temperature, overload, leakage current overrun and the like) existing in an electrical circuit and electrical devices are found accurately and timely. Early warning information is sent to enterprise management personnel in time to remind a user to check and process in time.

The invention discloses a remote electrical monitoring system which comprises remote electricity monitoring devices, a server, a short message transmit-receive unit and terminal device, wherein the remote electricity monitoring devices are distributed on monitoring points respectively; the server transmits/receives short messages through the short message transmit-receive unit; client side software is installed on the terminal device; the remote electricity monitoring device are connected with a power line on the monitoring points, and are in wireless connection with the server; the terminal device is used for querying the electricity parameter of each monitoring point and setting an overload parameter and a communication number according to the client side software; the server is used for sending an alarm short message to the communication number through the short message transmit-receive unit when the electricity parameter fed back by the remote electricity monitoring device exceeds a pre-warning value, and sending a power-off instruction to the remote electricity monitoring device when the electricity parameter fed back by the remote electricity monitoring device exceeds a set value.

The invention belongs to the field of electronic elements, and discloses an IGBT module assembly. The IGBT module assembly comprises a cooling plate and an IGBT module fixedly connected onto the cooling plate, wherein the end surface, far away from the cooling plate, of the IGBT module is provided with wiring terminals; the IGBT module comprises a side surface adjacent to the end surface; and the side surface and the cooling plate form a water guide groove. Through enabling the side surface and the cooling plate to form the water guide groove, a large amount of condensed water gathered on the cooling plate is guided by the water guide groove to flow out, the condensed water can be prevented from flowing to the end surface provided with the wiring terminals of the IGBT module, a condition of an inter-electrode short circuit between wiring terminals on the IGBT module can be avoided, and happening of an electrical safety accident can be prevented. The IGBT module can work safely and efficiently in a high-power cooling situation, and the application field of the IGBT module is expanded.

The invention belongs to the technical field of electrical equipment, particularly relates to a liftable electrical plugboard, and aims to solve the technical problem that plugs cannot be plugged intotwo jacks at the same time due to the fact that the sizes of the plugs of an existing plugboard are possibly too large, and the liftable electrical plugboard comprises a shell, one side of the shellis fixedly connected with a connecting bus, a plurality of wiring grooves are fixedly connected to the top end of the shell, a connecting plate is fixedly connected to the top ends of the wiring grooves, an arc-shaped opening is formed in the surface of the connecting plate, an L-shaped plate is arranged at the arc-shaped opening of the connecting plate, sliding plates are fixedly connected to thebottom ends of the two sides of the L-shaped plate, and clamping plates are fixedly connected to the bottom ends of the sliding plates. A first inserting hole and a second inserting hole are formed in the top end of the connecting plate and the top end of the L-shaped plate respectively, and connecting grooves are formed in the positions, below the first inserting hole and the second inserting hole, of the clamping plate. According to the invention, through the arrangement of the L-shaped plate, after the plug is inserted into the plugboard, the plug and the connecting piece thereof are integrally lifted, so that the utilization space of the surface of the plugboard is improved, and convenience is brought.

The invention provides an interlocking mechanism which is applied in the technical field of high-voltage switch equipment. A grounding switch (3) is arranged in a switch cabinet, the interlocking mechanism comprises a ground rod (4), one end of the ground rod (4) is connected with the grounding switch (3), the other end of the ground rod (4) is movably connected with a connecting rod (5), the other end of the connecting rod (5) is movably connected with a side plate (1) of the switch cabinet, an interlocking piece (6) is arranged on a rear sealing plate (2) of the switch cabinet, a groove (7) is formed in the interlocking piece (6), and one end, connected with the side plate (1) of the switch cabinet, of the connecting rod (5) is provided with a movable piece (8). According to the interlocking mechanism, the structure is simple, when the grounding switch is switched on, the interlocking for the rear sealing plate of the switch cabinet can be achieved, the rear sealing plate of the switch cabinet is prevented from being opened, and when the grounding switch is switched off, the interlocking for the rear sealing plate of the switch cabinet can be released, so that when operating personnel conduct detection operation to the switch cabinet, the operation can be conducted under a safe environment.

The invention discloses an anti-collision buffering electrombile battery box structure which comprises a box body and a box cover, wherein arc-shaped anti-collision buffering beams are arranged on two side surfaces of the box body; half-suspended type connecting plates are arranged on two side peripheries of the box body; vacuum cavity heat evening plates are mounted on the inner walls of the box body; a sealing rubber strip is arranged between the box cover and the box body; the box cover is connected with the box body through safety buckles. Under the condition that a battery box is simply and conveniently connected and mounted and the strength, the rigidity and the heat radiation of the box body are ensured, collision force can be buffered through the arc-shaped anti-collision buffering beams, the energy can be absorbed, and the battery box can be uniformly stressed, so that the collision security of the battery box can be ensured, and electric security accidents caused by damage of the battery box can be avoided.

The invention discloses a sign special for an air switch. The sign includes an upper clamp part, a lower clamp part and a spring for connecting the upper clamp part and the lower clamp part. The upperclamp part includes an upper clamp head and an upper clamp tail; an anti-skid rubber pad is arranged on the contact surface of the upper clamp head and the air switch, public signs are arranged on the outer surface of the upper clamp head, the lower clamp part includes a lower clamp head, a lower clamp tail and an anti-switch-off baffle, an anti-skid rubber pad is arranged on the contact surfaceof the lower clamp head and the air switch, and the anti-switch-off baffle is arranged on the inner side of the lower clamp head and at the position of an operation handle corresponding to the air switch for fixing the operation handle so that the air switch can be prevented from being switched off. The sign can solve the problem that it is difficult for the air switch to hang the sign and the indication directions of markers are not clear, and the sign has the advantages that the occurrence of electric power safety accidents is avoided to a large extent, hidden safety hazards caused by humanmisunderstanding are eliminated, disassembly is easy, the sign is convenient to use, and the application range is wide.

The invention discloses a base station external power grid capacity increasing and voltage stabilizing system and method. A power grid end, a power supply line and a base station end are connected insequence. The system comprises a structure I or a structure II; according to the first structure, a boosting module is connected between the power grid end and the power supply line in series; and according to the second structure, a boost module is connected in series between the power grid end and the power supply line, and a buck module is connected in series between the base station end and the power supply line. The boost module comprises one or more boost unit for outputting different gear voltages and one or more change-over switch, and the change-over switch controls the correspondingboost unit to be connected with or not connected with the power supply line. Voltage stabilization and capacity increase transformation is carried out without changing an existing external power gridline structure, the structure 1 ensures the working stability of base station equipment, and the power supply efficiency is improved; and the second structure can perform capacity increasing and voltage stabilizing transformation on an existing power supply network. The boost units with different voltage gears can be switched for boosting according to the amplitude change of the base station load,so that the base station load is prevented from overvoltage damage.

The invention discloses a novel charger transformer, which structurally comprises a shell, bolts, a series parallel flow device, a capacitor and reinforcing ribs. The novel charger transformer has thefollowing beneficial effects: the problem is solved by structurally arranging the series parallel flow device, a series adjustment type current adjusting element is connected in series between an unstable input voltage end and a stable output voltage end, and the output voltage is kept unchanged through the change of the equivalent resistance; a special elastic structure of a trigger column is driven by pressing to change the number of current interactions, and the output voltage of the current is changed according to different numbers of current interactions; the emergency stop of the deviceis controlled by a brake to prevent the current from being unstable; and through a series current, the voltage of the transformer can be equal to the voltage of an electronic product to which the transformer is applied, and electrical safety accidents caused by excessive heating of the electronic product are avoided.

The invention discloses a multifunctional electric vehicle charging pile, which comprises a direct-current charging device, a control box and a shell. A line concentration pipe is mounted on the lowerside of the direct-current charging device, and a voltage stabilizer is mounted on the surface of the line concentration pipe; a control screen is mounted on the surface of the control box, and a function button is mounted on the right side of the control screen; an alternating-current charging device is mounted in the shell, and a transformer is mounted on the upper side of the alternating-current charging device; an alternating-current charging head is mounted on the right side of the shell, and a direct-current charging head is mounted on the left side of the alternating-current charging head; a display screen is mounted on the surface of the shell, and a card swiping inductor is mounted on the lower side of the display screen; a data line interface is formed in the surface of the shell, and a loudspeaker is mounted on the lower side of the data line interface; and a base is mounted on the lower side of the shell. Through a storage battery and a circuit breaker which are mounted onthe upper side of the base, the safety protection effect on a charging circuit can be achieved, influences on the multifunctional electric vehicle charging pile due to overload operation are avoided,and the charging efficiency of the multifunctional electric vehicle charging pile is improved.

The invention discloses a novel substation safety intelligent control system based on an indoor environment. The novel substation safety intelligent control system comprises an environment control system, and a fresh air system, an automatic drainage subsystem, a fireproof explosion-proof subsystem, a safety early warning system and a plurality of sensors which are mounted in a substation room and connected with the environment control system. The system has remote communication and monitoring functions, and in the era of unmanned management of more and more transformer substations, by using the system, related personnel can more conveniently and easily query environment information of corresponding transformer substations, and can receive alarm signals of various abnormal conditions in the first time and take processing measures in time.