The invention discloses an intelligent converter for assisting in handcart switch mechanical characteristic test mode switching. Through the arrangement of a remote control module, a contactor module and a controller module, and by pressing number keys on the remote control module to select corresponding required modes, the intelligent converter can enable 8 insertion pin outputs on test wires of a switch mechanical characteristic tester to be matched with 58 insertion pins on a handcart switch aviation socket through cooperation between the contactor module and the controller module, so that in the whole process of carrying out handcart switch mechanical characteristic test by utilizing the intelligent converter, change of test wiring, manual energy storage and manual lock releasing are no longer needed, the whole test process can be conducted by a single person, and work efficiency of handcart switch mechanical characteristic test is greatly improved.

Intelligent converter for assisting in handcart switch mechanical characteristic test mode switching

A circuit breaker mechanical characteristic test assisting instrument is disclosed and comprises a connecting line The circuit breaker mechanical characteristic test assisting instrument is characterized by comprising an assisting instrument box body A voltage selection change-over switch, a switch opening and closing selection change-over switch and fifteen wire connection terminal plug openings are arranged on the assisting instrument box body; the voltage selection change-over switch and the switch opening and closing selection change-over switch are respectively in electric connection with the fifteen wire connection terminal plug openings, and the wire connection terminal plug openings are connected with wire connection terminals of a switch terminal box via connecting lines The circuit breaker mechanical characteristic test assisting instrument is advantaged by elimination of hidden safety trouble of electric shocks, prevention of damages on a gypsum board on a bottom part of the terminal box, improved working efficiency, lowered safety risks, reduced test personnel, and stable and reliable connection

Circuit breaker mechanical characteristic test assisting instrument

The invention is applicable to the technical field of circuit breakers and provides a circuit breaker testing method and terminal. The method comprises a step of connecting a high-voltage switch characteristic tester to an energy storage motor circuit and a control power supply circuit of a circuit breaker operating mechanism, and adjusting output voltage of the high-voltage switch characteristictester, a step of testing DC resistance of an energy storage motor circuit motor through the high-voltage switch characteristic tester, a step of adjusting the output voltage of the high-voltage switch characteristic tester to be rated voltage after a DC resistance test of the energy storage motor is completed and carrying out energy storage on the energy storage motor circuit, and a step of adjusting the output voltage to be a first preset multiple of the rated voltage after the energy storage of the energy storage motor circuit is completed, testing a switch-on control circuit of the controlpower supply circuit, adjusting the output voltage to be a second preset multiple of the rated voltage, and testing a switch-off control circuit of the control power supply circuit. According to theabove method, errors brought by human operations can be reduced, the work efficiency is improved, and operational risk is reduced.

Circuit breaker testing method and terminal

The invention discloses an electrified lubricating device for an isolating switch. The electrified lubricating deice comprises an oil pump system, a first oil tube, a second oil tube, an insulating tube and an oil nozzle, wherein the oil pump system comprises an oil storage pot and an oil pump, and the oil storage pot is connected with an oil inlet of the oil pump by virtue of the first oil tube; and the oil nozzle is connected with one end of the insulating tube, one end of the second oil tube is connected with an oil outlet of the oil pump, and the other end of the second oil tube extends into the insulating tube and is connected with the oil nozzle. The electrified lubricating device disclosed by the invention can be used for adding a lubricant to a transmission part of the isolating switch in an electrified manner, and by virtue of periodical lubrication, the problems that unsmooth blockage caused by the reason that the isolating switch is not operated and overhauled for a long time is generated, and the isolating switch and a ground switch cannot be connected and disconnected in place and cannot be connected and disconnected are greatly eliminated, so that the running reliability and power supply reliability of the isolating switch are improved, and the economic benefit of an enterprise is improved; and by using the electrified lubricating device disclosed by the invention, climbing operations of maintenance personnel can be avoided, and thus the safety risk of the maintenance personnel can be reduced.

Electrified lubricating device for isolating switch

The invention discloses a tool for removing a bird nest in a pedestal on a circuit breaker/isolating switch in a hot-line manner. The tool for removing the bird nest in the pedestal on the circuit breaker/isolating switch in the hot-line manner comprises an insulating supporting seat, an insulating fixing seat, a driving motor, electric fans, an insulating baffle plate and an insulating fixed guide rail, wherein the fixing seat comprises a back plate and a peripheral wall; an opening of the fixing seat can cover and be connected with a semi-closed hole; the insulating fixed guide rail is fixedly arranged on the peripheral wall and is further located in the fixing seat; the driving motor and the electric fans are all fixedly arranged on the front end surface of the back plate; control switches of the driving motor and the electric fans are all arranged at the lower part of the insulating supporting seat; the back end surface of the insulating baffle plate is provided with a transmission element; the driving motor is connected with the transmission element in a transmission manner to drive the insulating baffle to move forwards and backwards; the transmission element is arranged on the insulating fixed guide rail in a sliding connection manner. The tool for removing the bird nest in the pedestal on the circuit breaker/isolating switch in the hot-line manner has the following advantages that the waiting of power-off inspection and repair is not needed; the bird nest in the pedestal on the circuit breaker or the isolating switch is quickly removed in the condition that equipment is charged; the treatment efficiency of bird damage is high; an electric network is guaranteed to run reliably.

Tool for removing bird nest in pedestal on circuit breaker/isolating switch in a hot-line manner

A mechanical characteristic meter for a one-piece test of a handcart switch comprises a control module, a memory module, a mode switching module and a relay module. When a male aviation plug of the handcart switch is matched with a female aviation plug of the mechanical characteristic meter in a plug-in manner, the control module matches the model of the handcart switch and the position information of eight contact pins with memory information in the memory module, and in case of successful matching, the control module controls the mode switching module to switch to a connection mode corresponding to the model to further control a relay coil of the relay module to be powered on or off to realize connection and disconnection of a relay node, so that switching between different connection modes can be realized. The mechanical characteristic meter has the following advantages: the application range is wide, the efficiency is improved, manpower is saved, the carrying is convenient, the operation is easy, the performance is stable, high safety is achieved, and the one-piece test of the handcart switch is realized.

Mechanical characteristic meter for one-piece test of handcart switch

The utility model discloses an instrument that is used for electrified nest on circuit breaker or isolator base of cleaing away, including insulation support seat, insulating fixing base, CD -ROM drive motor, electric fan, insulating baffle and insulating fixed guide. This fixing base includes back plate and perisporium, and the opening of this fixing base can cover and connect half seal hole hole. This insulation fixed guide fixes at the perisporium and is located the fixing base. This CD -ROM drive motor, electric fan all set firmly before the back plate on the terminal surface, and the control switch of this CD -ROM drive motor, electric fan sets up under the insulation support seat. This insulation baffle rear end face has set firmly the driving medium, should drive motor transmission and connect the driving medium in order to drive translation around the insulating baffle, and this driving medium sliding connection is establishing on insulating fixed guide. It has following advantage: need not to wait for interruption maintenance, clear away the nest in circuit breaker or isolator base rapidly under the condition of equipment belt electricity, the bird pest treatment effeciency is high, and power grid operation is reliable in the guarantee.

A instrument that is used for electrified nest on circuit breaker or isolator base of cleaing away

The utility model discloses an electrified lubricating device for a disconnecting switch. The electrified lubricating device comprises an oil pump system, a first oil pipe, a second oil pipe, an insulated pipe and an oil nozzle, wherein the oil pump system comprises an oil storing kettle and an oil pump, the oil storing kettle is connected with an oil inlet of the oil pump through the first oil pipe, the oil nozzle is arranged at one end of the insulated pipe, one end of the second oil pipe is connected with an oil outlet of the oil pump, and the other end of the second oil pipe extends into the insulated pipe and is connected with the oil nozzle. The electrified lubricating device can inject lubricants for a transmission portion of the disconnecting switch in an electrified mode. By means of regular lubrication, jam caused by the fact that the disconnecting switch doesn't work and isn't overhauled for a long time is greatly eliminated, and the problem that the disconnecting switch cannot completely combine with and separate from an earthing switch and cannot combine with and separate from the earthing switch is solved. Thus, the operation reliability and the power supplying reliability of the disconnecting switch are improved, and the economic benefits of enterprises are improved. The electrified lubricating device further prevents overhaul workers from climbing high to work and reduces the safety risk of the overhaul workers.

Electrified lubricating device for disconnecting switch

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