402results about How to "Safe and stable power supply" patented technology

The invention relates to a system for power grid thunderstorm disaster warning based on recognition and forecast. The system is characterized by comprising a thunderstorm forecast information module, an early warning data analyzing module, a power grid thunderstorm risk early warning module and a display module all connected with one another in sequence. The invention further relates to a method which adopts the system to perform power grid thunderstorm disaster early warning. The system and the method utilize region thunderstorm characteristic and regional power grid characteristic, and combine the anti-thunderstorm design parameters and the on-site geographical conditions of power grid equipment including various transformer substations, electric transmission lines, pole and the like, so as to realize real-time automatic monitoring on the thunderstorm disaster, perform actual condition analysis quantitatively at a specific time and location and near-disaster early warning and perform fine instructional functions on production and scheduling of power grid.

A system for pre-warning of typhoon risks of overhead transmission lines of a grid comprises a typhoon live information presentation module and a typhoon forecasting information module, wherein the typhoon live information presentation module and the typhoon forecasting information module are externally connected with a weather bureau through a data private network provided with firewalls respectively; relevant data coming from the weather bureau are received when a typhoon crosses a 24-hour warning line of a sea; the used data are selected and calculated by the typhoon forecasting information module, and are calculated by a pre-warning data analysis module; and finally, the data are transmitted to a typhoon risk pre-warning module of the grid for comprehensive data processing, and a risk line set and pre-warning grades of the risk line set are output to the presentation module through judgment of the comparison between the wind speed and the designed wind speed. The invention further comprises a method for pre-warning of typhoon risks of overhead transmission lines of the grid by using the system. The system and the method are applicable to an electrical power system universally, in particular, power transmission and distribution networks in coastal areas, so that capacity of the grid for adapting to meteorological disasters which occur frequently day by day is improved; the trip-out rate of lines under a typhoon environment is reduced, and the safe and stable power supply of power transmission and distribution line channels is guaranteed.

The invention discloses an outdoor energy-saving controllable power supply device, which comprises a shell. A first sliding groove is arranged in the shell; a second sliding groove is arranged at the lower part of the first sliding groove in the shell; the right side of the second sliding groove is communicated with a third sliding groove; a slot is arranged at the bottom part on the right end surface of the shell; a fourth sliding groove is arranged in the upper end wall of the slot; a fifth sliding groove and a sixth sliding groove are symmetrically arranged at the left side and the right side of the top end surface of the shell; and a cushion is fixedly arranged in the middle of the top surface of the shell. The whole structure of the device is simple; the production cost is low; the operation is simple; operation among components is automatically controlled; power supply is safe and stable; the reliability is high; happening of electric shock accidents in the existing life can be effectively prevented; the life safety of people is ensured; the solar panel can automatically adjust the inclination angle according to requirements to meet different illumination angles; and promotion and use are facilitated.

The invention discloses a new energy automobile device, and the device comprises a charging gun and a charging pile body, which are connected with a new energy automobile through cables. The charging gun comprises a pull plate, and the upper and lower ends of the right end face of the pull plate are symmetrically provided with an upper plugboard and a lower plugboard. The right ends of the upper and lower plugboards are respectively provided with an upper inclined surface and a lower inclined surface. The central end of the right end face of the pull plate is provided with a contact, and the right end face of the contact is provided with a movement guide surface. The upper end of the pull plate is provided with a pull slot with the notch facing the right. The upper end wall of the pull slot is provided with a clamping groove. The charging pile body comprises a housing and an extending end disposed at the upper end of the left side of the housing. The whole device can complete the switching-off and switching-on of the contact through the operation of a driver, i.e., the switching-off and switching-on of the new energy automobile. The device is simple and convenient in operation, and the pulling and plugging of the contact are achieved through mechanical motion. There is no need of manual operation for the pulling of the contact, thereby saving the force and preventing an electric shock accident caused by the manual plugging and pulling.

The invention discloses an embedded-type power supply apparatus. The embedded-type power supply apparatus comprises a cover groove formed in the upper surface of a floor and a return groove which is formed in the wall of the right side of the floor and parallel to and connected with the cover groove; a cover plate is arranged in the return groove glidingly left and right; two power supply socket holes used for allowing plugs of power utilization equipment to be inserted are formed in the bottom end plane of the cover groove symmetrically left and right; a first power supply sliding groove is formed in the floor; a driving groove connected with the first power supply sliding groove is formed in the wall of the right side of the floor; and the top of the driving groove is connected with theleft side of the return groove, and a second power supply sliding groove is formed between the driving groove and the first power supply sliding groove. The power supply apparatus is arranged in the floor and the wall, so that the existing space can be greatly reduced; and in addition, the power supply apparatus provided by the invention is simple in overall structure, convenient to use and operate, and safe and stable in power supply, and capable of greatly reducing electric shock accidents in the existing life and effectively ensuring life safety of people, and is suitable for popularizationand use.

The invention provides a multistage electrical-network self-healing control device and a control method thereof. The invention aims at satisfying the following demands: realizing interactive balance between a power supply and a load; controlling coordination cooperation of various kinds of distributed power supplies, different levels of micro-grids and main networks; automatically identifying networking or island state of the network; maximumly guaranteeing an energy supply. The multistage electrical-network self-healing control device is connected in one stage or multiple stages of the multistage electrical network and comprises a parameter acquisition monitoring unit, a central processing unit, a man-machine interface and configuration parameter setting input unit and a regulation and control unit. A frequency is served as an information carrier used to characterize an electrical network connection state and an area coverage stage so that the load and the power supply in the electrical network can self-identify the network state and automatically switch according to a preset strategy. The frequency is taken as an information link. Through self-adjustment of the power supply and the load in the system, supply and demand matching of the electric power can be realized, and automatic balance and stabilization of the electrical network under the states of the networking and the island can be guaranteed.

The invention discloses an electric vehicle charging device. The device comprises a charging pile body and a charging gun head which penetrates into the charging pile body and is connected with the charging pile body in a matched mode. A bottom plate is fixedly arranged at the bottom of the charging pile body, a countersunk groove with a downward opening is formed in the bottom of the bottom plate, and a counterweight iron block is detachably arranged in the countersunk groove; a clamping groove with a forward opening is formed in the charging pile body, and a penetrating groove communicated with the clamping groove is formed in the rear end of the clamping groove; a charging cavity communicated with the penetrating groove is formed in the rear end of the penetrating groove; control grooves communicated with the penetration groove are symmetrically formed in the positions, on the left side and the right side of the charging cavity, of the charging pile body; fastening devices used for fastening the charging cavity are symmetrically arranged on the positions, on the left side and the right side of the charging cavity, in the charging pile body. The device is simple in overall structure, power supply is safe and stable, overall operation is safe and reliable, electric shock accidents in existing life are effectively reduced, and the device is suitable for application and popularization.

The present invention provides a magnetic levitation transferring system which comprises the following components: a loading unit which is loaded with object; a body transferring unit while the loading unit is coupled to the body transferring unit at one side; a rail which forms a line for transferring the body transferring unit; a levitating unit which is connected with the body transferring unit and causes the body transferring unit to levitate to a preset height relatively to the rail; a pushing unit which is connected with the body transferring unit and provides a pushing force for transferring the body transferring unit levitated by the levitating unit along the line of the rail; and a non-contact power source which receives power through a non-contact mode and supplies power for at least one in the levitating unit and the pushing unit. Through the configuration, a magnetic levitation technique is adopted in transferring object as one of the non-contact techniques thereby settling the problems of assembly damage caused by wearing and abrasion, noise generation and particle generation. Furthermore the power is supplied stably and safely while the object is transferred with a high speed.

The invention relates to an interactive control method based on an electric power operational system. The interactive control method comprises the following steps: (1) a system control host establishes a voice keyword database; (2) the system control host acquires voice data of operators through voice input equipment and identifies voice keywords in the voice data; and (3) the system control host is connected with the corresponding operational system according to the voice keywords and automatically searching the operational system to realize interactive control functions. The interactive control method is reasonable in design, the voice data and voice semantics of operators can be automatically identified by a voice recognition method, the method has the characteristic of high level of intelligence, the response speed of the system to the personnel operation is improved, the personnel more conveniently operate, the work load and the work pressure of the operators of electric power systems are greatly reduced, the operation time is saved, and the safe and stable operation and the power supply of power grids are ensured to the greatest extent.

A tactile pin display apparatus comprises: tactile pins 20 for braille display; a support housing 30 for supporting and allowing the tactile pins 20 to move forward and backward; cams 40 for raising ends of the tactile pins 20 to a desired height (ON-state) from a tactile surface 35; compression coil springs 10 for biasing the tactile pins 20 against the cams 40; shape memory wires 60 to be heated by current for pivoting the cams 40 forward to bring the tactile pins to the ON-state; and a cam return plate 50 for pivoting the cams backward to lower the tactile pins 20 back to a level (OFF-state) of the tactile surface 35. Even if in the ON-state the tactile pins 20 are strongly pressed by a user, or the current to the shape memory wires 60 is disconnected, the tactile pins 20 are not lowered back because upper surfaces of the cams 40 support lower surfaces of the tactile pins 20. All the tactile pins 20 can be lowered back to the OFF-state by a single reciprocal movement of the cam return plate 50.

The present invention discloses an environmentally-friendly dust-removal facility. The environmentally-friendly dust-removal facility comprises a frame body and a power transmission head which extends into the frame body and is in matched connection with the frame body; the upper part of the rear end surface of the power transmission head is provided with a hanging corner; a hanging opening which faces downwards is formed between the hanging corner and the power transmission head; a clamping groove of which the inlet faces forwards is formed in the frame body; a plugging opening groove which is communicated with the clamping groove is formed at the middle of the rear end portion of the clamping groove; a power transmission hole communicated with the plugging opening groove is formed at the middle of the rear end portion of the plugging opening groove; and supporting and matching grooves which are communicated with the plugging opening groove and are located at the left side and right side of the power transmission hole are correspondingly formed in the frame body; and covering devices which are used for covering the power transmission hole and are located at the left side and right side of the power transmission hole are correspondingly formed in the frame body. The environmentally-friendly dust-removal facility of the invention has the advantages of overall simple structure, safe and stable power supply and overall safe and reliable operation, and can assist in decreasing electric shock accidents in life and is suitable for being popularized.

The invention discloses an automatic power supply inserting-connecting apparatus. The automatic power supply inserting-connecting apparatus comprises a power supply part and a plug part inserted intothe power supply part to be matched and connected therewith; a clamping groove with a forward opening is formed in the power supply part; a slot connected with the clamping groove is formed in the back end wall of the clamping groove; a power supply groove connected with the slot is formed in the back end wall of the slot; operating grooves connected with the slot are symmetrically formed in the power supply part on the left and right sides of the power supply groove; sealing apparatuses for sealing the power supply groove are also symmetrically arranged in the power supply part on the left and right sides of the power supply groove; a sliding groove is also formed in the power supply part; and a sleeve groove which extends backwardly is also formed in the middle position of the back end wall of the sliding groove. The automatic power supply inserting-connecting apparatus is simple in the overall structure, safe and stable in power supply, safe and reliable in overall operation, capable of effectively lowering electric shock accidents in the existing life and ensuring child life security in a family, and suitable for popularization and use.

The invention discloses an insulator pollution flashover early warning method on the basis of a variable weight analytic hierarchy process, which comprises the following steps of: (1) carrying out quantitative evaluation on intrinsic factors of an insulator, wherein the intrinsic factors of the insulator comprise a specific creepage distance, insulator hydrophobicity and an insulator aging degree; (2) calculating to obtain intrinsic factor indexs m of the insulator by adopting the variable weight analytic hierarchy process and according to atmospheric environment parameters and meteorological conditions, calculating a surface pollution degree index Pf of the insulator; and (3) according to the product of the intrinsic factor indexs m of the insulator and the surface pollution degree index Pf of the insulator, judging an insulator pollution flashover early warning index R and determining an early warning grade. The method can give out the comprehensive early warning index of the insulator in a region and release the early warning grade and implements scientific insulator pollution flashover early warning so as to effectively improve power supply reliability, reduce economic loss of a power grid and improve reliable operation ability of the power grid.

The invention relates to a portable insulation safety tool power-frequency voltage-withstand dolly, comprising a dolly portion, a clamping portion, a conductive portion, a measuring portion, and a storage portion. The portable insulation safety tool power-frequency voltage-withstand dolly can satisfy power-frequency voltage-withstand test requirements of insulating gloves, insulating boots, an insulating rods, an electroscope, a grounding wire, an insulating septum, an insulating rubber mat, and other various safety tools. The dolly saves large amount of manpower and material resources, reduces occurrence of safety accidents, and has good economical benefits and social benefits. Because of application of the test dolly, the number of times of use of the dolly to carry tools is reduced, and the dolly brings about considerable environmental benefits.

The invention discloses a new energy source automobile device, which comprises a charging pile body, wherein hanging plates are symmetrically arranged in the front and back sides of the upper part position of the right end surface of the charging pile body; a jack is formed in the left end surface of the charging pile body; an electric contact block is arranged on the right end wall of the jack; afirst slide moving cavity is formed under the jack in the charging pile body; a second slide moving cavity is formed in the right end of the jack in the charging pile body; a third installing grooveis formed between the right end of the first slide moving cavity and the lower end of the second slide moving cavity; a through hole is formed between the jack and the first slide moving cavity in a mutual communication way; a plug plate is connected into the through hole in a slide moving matching way. The new energy source automobile device has the advantages that the integral structure is simple; the operation of the whole device is safe and reliable; the power-on and power-off operation of the jack is simple and convenient; the use cost is reduced; the occurrence of electric shock accidents in the existing life is effectively reduced; the life safety of people is guaranteed; the power supply stability is high.

The invention discloses a stable server device. The stable server device comprises a socket formed in a wall and a plug connected with the socket in a matching manner, wherein a socket slot is formedin the middle part of the bottom surface of the socket; a first forward driving slot is formed in the middle part of the top wall of the socket slot; a second forward driving slot is formed in the right side of the top wall of the socket slot; a third forward driving slot is formed in the socket and positioned above the first forward driving slot and on the left side of the second forward drivingslot. The plug in the data server device is firmly locked, the plug is also powered on while the plug is locked during insertion, and the plug is unlocked while the plug is powered off during extraction, so that the efficiencies of plug insertion and plug extraction are greatly improved, the plug is conveniently extracted and replaced after the plug is damaged, an electric shock accident during insertion and extraction of the plug is effectively avoided, and the life safety of people is guaranteed; in addition, the insertion and the extraction of the plug can be achieved through a motor.

The invention aims to provide a multi-energy resource ship micro-grid real-time energy optimal scheduling method, which comprises the steps of S1, constructing an output power prediction model of a support vector machine ship solar power generation unit based on simulated annealing; S2, acquiring energy storage state of charge (SOC) in real time on the basis of predicting the photovoltaic real-time output power when a load is stable, dividing an operating mode of the system into a plurality of modes under two indexes MinSOCbat and MaxSCObat of energy storage, then establishing a system model and stable operation boundary conditions of each power generation unit, establishing a multi-objective function and a constraint condition function which take the system operation stability and maximum energy saving as an optimization objective, and realizing optimal distribution of the output power of different power generation units at the various different operating modes by adopting a genetic algorithm and a particle swarm algorithm; and S3, constructing a virtual inertia element following inertia properties of a diesel generator when the load suddenly changes.

The invention discloses a cell phone component, comprising a housing sleeve and a power transmission end in electrical cooperation and connection with the housing sleeve. The housing sleeve comprises a left sliding cabin in the housing sleeve and a right sliding cabin in connection and communication with the left sliding cabin. The housing sleeve under the left sliding cabin and the right sliding cabin is provided with a toothed cabin. The central part at the right end part of the right sliding cabin is provided with a penetration groove in communication with the external part of the housing sleeve. The upper end part of the penetration groove is provided with a locking groove that extends upwards. Between the locking groove above the penetration groove and the right sliding cabin, a through hole communicates. A left sliding block is arranged in the left sliding cabin and can move upwards and downwards. The component of the invention has a simple structure, can be manufactured at a low cost, and can provide safe and stable power, effectively avoiding the occurrence of electrical shocks and ensuring the life safety of people. In addition, the power transmission operation is also convenient, meeting the use requirement for power transmission at present.

The invention discloses robot equipment. The robot equipment comprises an electric connection body and an electric feeding body. The electric connection body comprises a first plugging rod and a second plugging rod. The second plugging rod is disposed on the middle part of the right end surface of the first plugging rod, and the middle part of the right end surface of the second inserting rod is provided with a contact. The front end and the rear end of the right end surface of the second plugging rod are symmetrically provided with two plate members, and the inner side end surfaces of the two plate members are respectively and symmetrically provided with two locking holes. Annular cushion blocks are disposed on the right end surface of the first plugging rod and the outer ring of the second plugging rod. The electric feeding body comprises a base. The robot equipment is advantageous in that a structure is simple, and power supply stability is good; the operation of the whole device is safe and reliable, and a structural design is reasonable, and even when a cable used for connection between the contact and the robot is accidentally kicked and collided by people, the contact is prevented from being disengaged from cooperated connection with an electric feeding groove, and therefore the locking operation and the unlocking operation of the contact are simple and convenient, and popularization and application are facilitated.

A self-powered combustion control system having a burner and a fuel supply control valve connected with the burner. The fuel supply control valve includes ignition and hold solenoids arranged whereby energizing the ignition solenoid causes the hold solenoid to transform from a closed disposition in which no fuel passes to the burner to an open disposition in which fuel flow to the burner is initiated for igniting the burner and subsequently maintained during heating of the material to be heated. An electronic system controller is provided for controlling the ignition solenoid and an unpowered rechargeable energy storage device is provided for all of the power required to operate the combustion control system.

The invention discloses an LED (Light-emitting Diode) lamp device, which comprises a lamp holder and a lamp body. An inserting cavity is arranged at a left end face of the lamp holder; an electrically connected contact is arranged at a right end wall of the inserting cavity; a first slide cavity is arranged at a position, under the inserting cavity, in the lamp holder; a second slide cavity is arranged at a position, at the right end of the inserting cavity, in the lamp holder; a third holding slot is formed between the right end of the first slide cavity and the lower end of the second slide cavity; a through cavity communicates between the inserting cavity and the first slide cavity; and a plug block is slidably connected into the through cavity in a sliding way. The LED lamp device provided by the invention is simple in overall structure, and safe and reliable to operate, and the inserting cavity can be simply and conveniently switched on and off, so that the use cost is saved, the occurrence of electric shock accidents in existing life is effectively reduced, the life safety of people is ensured, and the power supply stability is good.

The invention discloses an energy-saving street lamp device for a rural area. The energy-saving street lamp device comprises a lamp holder and a lamp body used for extending into the lamp holder for matched connection, wherein an upright post is fixedly mounted on the right end surface of the lamp holder, an opening groove with a leftward port is formed in the lamp holder, an electric connection hole connected with mains supply is formed in the right end part in the opening groove, an upper slip groove communicated with the opening groove is formed in the top end part in the opening groove, a push groove with a leftward port is further formed in the lamp holder below the opening groove, and a lower slip groove communicated with the opening groove is formed in the right end of the push groove. The energy-saving street lamp device is simple in structure, low in production cost and more convenient to mount and dismount and supplies electricity safely and reliably, and electric shock accidents are effectively eradicated.

The invention discloses an environmental-friendly dust removal device. The environmental-friendly dust removal device comprises a rack and an electrical connector, wherein the electrical connector is electrically connected with the rack in a matching way, the rack comprises a left sliding cavity and a right sliding cavity, the left sliding cavity is arranged in the rack, the right sliding cavity communicates with the left sliding cavity, a tooth disc cavity is formed in the rack below the left sliding cavity and the right sliding cavity, a plug pin groove is formed in a middle part of a right end part of the right sliding cavity and communicates with the exterior of the rack, a locking groove is arranged in an upper end part of the plug pin groove and extends upwards, a connection groove is connected between the locking groove above the plug pin groove and the right sliding cavity, and a left sliding block is arranged in the left sliding cavity and can slide upwards and downwards. The environmental-friendly dust removal device is simple in structure, relatively low in production cost and safe and stable in power supply, an electric shock accident in existing life is effectively prevented, the life safety of people is guaranteed, moreover, the power connection operation is relatively convenient, and the application demand of existing power connection is satisfied.

The invention discloses a novel household electric water heater which comprises a socket arranged in a wall body and a plug connected with the socket in a matched manner, and is characterized in thata guide block is arranged at the top of the plug; a locking block is arranged on the top end surface of the guide block; an electrifying head is arranged in the middle of the top end surface of the locking block; two locking cavities are correspondingly formed in the left and right end surfaces of the locking block. The plug in the novel household electric water heater is firmly locked, so that electrification is safe and stable; during plugging, the plug is electrified while being locked; during unplugging, the plug is unlocked while being powered off; the whole device is convenient and quickto operate; the efficiency of plugging and unplugging the plug is greatly improved; an electric shock accident occurring during plugging and unplugging of the plug is effectively avoided, and the life safety of workers is guaranteed.

The invention discloses a kind of dust treatment equipment, which comprises a power inlet frame, a bolt slot is arranged inside the power inlet frame, a rotary sleeve is rotatably arranged in the left end surface of the power inlet frame, and a right angle is arranged in the rotary sleeve. A bayonet slot, a display slot is provided in the right end face of the power inlet frame, a push-out slot is connected between the display slot and the latch slot, and a push slot is provided in the power inlet frame on the left side of the latch slot The vertical slot, the pin block can be slid left and right in the pin slot, the overall structure design of the present invention is reasonable, the power supply is safe and stable, which greatly reduces the electric shock accidents that occur when plugging and unplugging the power-in terminal, and effectively protects people The safety of life, the unlocking and locking of the power-in terminal are convenient and quick, suitable for popularization and use, greatly reducing production costs, and through manual control adjustment, increasing people's exercise, which is helpful to people's health.

The invention discloses a two-AC and one-DC series-parallel microgrid structure suitable for multi-station integration. The series-parallel microgrid structure is formed by series-parallel connectionof an alternating-current sub-microgrid 1, an alternating-current sub-microgrid 2 and a direct-current sub-microgrid, wherein the alternating-current sub-microgrid 1 is connected with the direct-current sub-microgrid through a power conversion device and a connecting point 1, and the alternating-current sub-microgrid 2 is connected with the direct-current sub-microgrid through a connecting point2; the connecting point 1 and the connecting point 2 are DC / AC conversion devices, the connecting point 2 is a standby power supply point of the connecting point 1, the energy of the connecting point2 can only flow in one direction, and the voltage is rapidly supported for the direct-current sub-microgrid only when the connecting point 1 fails; the alternating-current sub-microgrid 2 comprises aNo.2 energy storage and station transformer, a 400V / 380V isolation transformer, an energy storage battery and an AC / DC conversion device; the NO.2 energy storage and station transformer is connectedwith an external network, the 400V / 380V isolation transformer and the AC / DC conversion device, and the AC / DC conversion device is connected with the energy storage battery. The series-parallel microgrid structure is high in reliability, wide in coverage, high in fusion degree and excellent in economy.

The invention discloses a hair dryer. The hair dryer comprises a connected seat, in which an inserting near slot is arranged. The left end surface of the connected seat is internally and rotatably provided with a rotary drum. The rotary drum is provided with a square clamping slot. The right end surface of the connected seat is provided with a placement slot. A push slot is linked between the placement slot and the inserting near slot. The connected seat on the left side of the inserting near slot is internally provided with a vertical-side slot. An inserting near block sliding leftward and rightward is arranged in the inserting near slot. The hair dryer has the following beneficial effects: the overall structure of the hair dryer is designed reasonably; power supply is safe and stable, thereby greatly reducing electric shock accidents when a connected head is plugged and unplugged; therefore, personal safety of people is effectively ensured; the connected head is released and unlocked conveniently and quickly; the hair dryer is suitable for promotion and application, thereby greatly reducing production cost; the exercise amount of people is increased because adjustments are made by manual control; and therefore, the hair dryer may help improve physical health of people.

The invention discloses a power supply plug assembly, which comprises a power supply part arranged in the wall and a plug part for plugging and electrically matching connection with the power supply part, the power supply part includes a base and a The left sliding chamber in the seat and the right sliding chamber communicated with the left sliding chamber, a gear chamber is arranged in the base below the left sliding chamber and the right sliding chamber, and the center of the right end wall of the right sliding chamber There is a slot communicating with the outside of the base, and an upwardly extending lock chute is provided in the upper end wall of the slot, and the lock chute above the slot communicates with the right sliding cavity There are slots, and a left sliding block can be slid up and down in the left sliding cavity; the invention has simple structure, low production cost, safe and stable power supply, effectively eliminates the invention of electric shock accidents in existing life, and ensures people's safety. Life is safe, and the plug-in and power-on operation is more convenient, which meets the existing use requirements of plug-in and power-on.

The invention discloses a novel energy-saving LED lamp which comprises a shell and a lamp body. The shell is embedded in a roof, the lamp body is fittingly connected with the shell, an insertion groove is formed in the middle of the bottom surface of the shell, a first driving groove is formed in the middle of the top wall of the insertion groove, a second driving groove is formed in the right side of the top wall of the insertion groove, and a third driving groove is formed in the shell, and is particularly formed in a location which is positioned above the first driving groove and is positioned on the left side of the second driving groove. The novel energy-saving LED lamp has the advantages that the lamp body can be firmly locked; the lamp body can be firmly locked and can be simultaneously powered on during mounting; the lamp body can be powered off and simultaneously can be unlocked during detaching, accordingly, the lamp body mounting and detaching efficiency can be greatly improved, the lamp body can be conveniently detached and changed after being damaged, electric shock accidents can be effectively prevented in lamp body mounting and detaching procedures, and the life safety of people can be guaranteed; the lamp body can be mounted and detached by the aid of a single motor, and accordingly the production cost can be saved.

The invention discloses a power supply system capable of locking operation. The power supply system comprises a power connection part and a power supply part, wherein the power connection part is connected with power utilization equipment via a wire, the power supply part is arranged on a wall body, the power connection part comprises a push block, two insertion rods are symmetrically arranged at a front end and a rear end of a right end surface of the push block, locking penetrating holes are formed in right ends of the two insertion rods, a power connector is arranged at a middle position of the right end surface of the push block, the power supply part comprises a seat body, a movable cavity is formed in the seat body, and an opening groove is formed in a middle position of a left end surface of the seat body and communicates with the movable cavity. In the whole device, disconnection and energization of the power connector, namely disconnection and energization of power utilization equipment can be completed by working of a motor, the power supply system is simple and convenient to operate, and is good in power supply stability and safe and reliable in running, and matching operation of the power connection and a power supply hole is simple and convenient.