208results about How to "Power on is safe and stable" patented technology

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 a new type of dust remover equipment, which includes an electric connection head and a power transmission frame. An electric contact block is arranged on the right end surface of the electric connection head, and two locks are oppositely arranged on the upper and lower ends of the electric connection head. The bottom of the power transmission frame is provided with a column, and the bottom of the column is rotatably installed with rollers. The left end surface of the power transmission frame is provided with a rightward expansion pin slot, and the upper and lower ends of the right part of the pin slot are opposite There are two pushing grooves communicating with the pin groove, and a pushing plate that expands into the two pushing grooves and can translate left and right in the two pushing grooves is arranged in the bolt groove, The invention has simple structure, good power supply stability, avoids electric shock accidents when pulling out the electric connector, and ensures people's life safety, and the whole device is safe and reliable in operation, with reasonable structural design, and the locking and unlocking operations of the electric connector Simple and convenient, suitable for promotion and use.

The invention discloses an LED lamp which is easy to install, which comprises an installation lamp holder arranged in a wall and an LED lamp body for cooperating with the installation lamp holder, and a connecting groove is arranged on the bottom end surface of the installation lamp holder, A first locking groove is arranged in the middle of the left end wall of the connecting groove, a second sliding groove is arranged at the lower position of the right end wall of the connecting groove, a power supply protrusion is arranged in the middle of the top wall of the connecting groove, and the LED lamp body in the present invention The lock is firm, and the power supply of the LED light body is safe and stable. When installing, first lock the LED light body and then power on the LED light body. When disassembling, first cut off the power of the LED light body and then unlock the LED light body. The operation of the device is convenient and fast, which increases the stability of the LED lamp body locking, greatly reduces the investment cost, greatly increases the efficiency of the installation and disassembly of the LED lamp body, and effectively avoids electric shock accidents during the installation and removal of the LED lamp body, ensuring safety of staff.

The invention discloses an LED lamp, and the LED lamp comprises a mounting frame mounted on a roof and a ceiling lamp body connected with the mounting frame in a matched mode. A mounting groove is formed in the bottom of the mounting frame, a left lock slot and a right lock slot are symmetrically arranged on the left and right end walls of the mounting groove separately, and a power supply hole isformed in the middle of the top end wall of the mounting groove. The LED lamp is simple in structure, the locking of the ceiling lamp body is safe and stable, the ceiling lamp body is powered on whenthe ceiling lamp body is locked, and power failure of the ceiling lamp body is carried out when the ceiling lamp body is unlocked. The whole operation is controlled by a motor to be completed, the operation is simple and convenient, the production cost is low, the installation and removal efficiency of the ceiling lamp body is increased greatly, the energization stability of the ceiling lamp bodyis also increased, and electric shock accidents when the ceiling lamp body is installed and disassembled can be avoided effectively, so that the life safety of staff is guaranteed.

The invention discloses a stable LED lamp easy to control. The stable LED lamp easy to control comprises a lamp body mounting base arranged in an indoor roof, and a lamp body fixed on the lamp body mounting base. The stable LED lamp easy to control is characterized in that an insertion groove and an operation groove positioned on the left side of the insertion groove are formed in the bottom endsurface of the lamp body mounting base; a right slide groove upwards extending is formed in the right end wall of the insertion groove; an electrification clamping groove communicating with the rightslide groove is formed in the top end wall of the lamp body mounting base; and a lower penetration slide groove extending to the left side is formed in the left end wall of the insertion groove. The lamp body is locked safely and stably, and is electrified safely and stably; during mounting, the lamp body is locked during electrifying; and during disassembling, the lamp body is unlocked at the time of power failure, so that the whole device is operated conveniently and quickly, the lamp body locking stability is improved, the lamp body mounting and disassembly efficiency is greatly improved, the electric shock accident in mounting and disassembly of the lamp body is effectively prevented, and the life safety of mounting staff is guaranteed.

The invention discloses dust collector equipment. The dust collector equipment comprises a power transmission rack and a power transmission head matched with the power transmission rack, wherein a sucker is fixedly mounted at the bottom of the power transmission rack, a slot with a leftward notch is arranged in the power transmission rack, a power transmission pin is arranged in the slot in a left-right smoothening way, a first pressure spring is connected between the power transmission pin and the hole inner wall of the slot; a pushing slot with a downward notch is arranged in the power transmission pin; and a bevel slot communicated with the pushing slot is arranged at the left side of the pushing slot. The dust collector equipment disclosed by the invention is simple in entire structure, low in manufacturing cost, stable in power supply security, convenient for operation, and capable of effectively reducing the electric shock accident and guaranteeing the life security of the people; the dust collector power outage accident caused by the accidental kicking and striking can be avoided; the normal use of the dust collector is guaranteed, and the service life of the dust collector is increased.

The invention discloses a letter box device with an illuminating function. The letter box device comprises a mounting shell fixedly mounted in the top of a letter box body and an illuminating lamp, wherein a boss is arranged at the top of the mounting shell, a first sliding chute expanding left and right is formed in the mounting shell, a tooth window is arranged at the left end of the first sliding chute in the mounting shell, a turbine groove upward expanding into the boss is also arranged in the mounting shell, a perforation which runs through left and right and is communicated with the turbine groove is formed in the boss, and a plate body which can translate left and right is arranged in the perforation. The letter box device disclosed by the invention is simple in overall structure, an electric shock accident caused during mounting or dismounting of the illuminating lamp is effectively reduced, energy conservation and environmental friendliness are realized, and the letter box device disclosed by the invention is applicable to popularization and application.

The invention discloses a household electric water heater, which comprises a socket arranged on a wall and a plug connected with the socket in a matched manner, wherein an insertion settling tank which stretches upwards is arranged on the bottom end surface of the socket. According to the household electric water heater, the plug is locked firmly, so that the use security of the electric water heater is improved; the plug is firstly locked and then energized when inserted, and the plug is firstly powered off and then unlocked when pulled out, so that the overall device is convenient and fast to operate; furthermore, a plugging block is locked for the second time through a second annular plate, so that the locking stability of the plug is improved; the overall device is provided with powerthrough an electric rotating machine; the input cost is reduced; the insertion and pull-out efficiency of the plug is greatly improved; and an electric shock accident when the plug is inserted and pulled out is effectively avoided.

The invention discloses a novel convenient LED lamp which comprises a base installed in an indoor wall and a lamp bulb fixed to the base. An installing groove is formed in the bottom end face of the base, an elastic power supply contact is arranged in the middle of the top end wall of the installing groove, transverse sliding grooves are symmetrically formed in the left and right end walls of theinstalling groove, guide grooves are formed in the bottom end walls of the transverse sliding grooves, and longitudinal sliding grooves extending upwards are formed in the outer sides of the top end walls of the transverse sliding grooves. According to the novel convenient LED lamp, the lamp bulb is safe and stable in locking, the lamp bulb is safe and stable after being powered on, the lamp bulbis powered on while being locked in the installing process, the lamp bulb is unlocked while being powered off in the demounting process, the overall device is convenient and quick to operate, the lampbulb locking stability is increased, the lamp bulb installing and demounting efficiency are greatly increased, electric shock accidents are effectively prevented from occurrence in the lamp bulb installing and demounting process, and life safety of installation persons is guaranteed.

The invention discloses a convenient novel LED lamp. The convenient novel LED lamp comprises a base body installed in an indoor wall and a lamp bulb fixed to the base body, an installing groove is formed in the bottom end face of the base body, an elastic power supply contact is arranged in the middle of the top end wall of the installing groove, transverse sliding grooves are symmetrically formedin the left end wall and the right end wall of the installing groove, a guiding groove is formed in the bottom end wall of each transverse sliding groove, and a longitudinal sliding groove extendingupwards is formed in the outer side of the top end wall of each transverse sliding groove. According to the convenient novel LED lamp, the lamp bulb is locked safely and stably and powered on safely and stably, the lamp bulb can be powered on while being locked when the lamp bulb is mounted, the lamp bulb can be unlocked while being powered off when the lamp bulb is dismounted, the whole device isconvenient and fast to operate, the lamp bulb locking stability is improved, the lamp bulb mounting efficiency and dismounting efficiency are greatly improved, the condition that electric shock accidents occur when the lamp bulb is mounted and dismounted is effectively avoided, and life safety of mounting personnel is guaranteed.

The invention discloses an Internet-based outdoor advertising display screen. The display screen comprises an advertisement screen and a plug rod fixedly disposed on the left side of the advertisementscreen, a mounting seat is arranged in a building wall, the inside of the mounting seat is provided with a movable chamber, a first motor is fixedly disposed on the left side wall of the movable cavity, a box body is disposed on the right side of the first motor, a first threaded rod is in power cooperation connection with the right side of the first motor, the right end of the first threaded rodis rotatably cooperatively connected with the right side wall of the box body, the first threaded rod is in threaded cooperative connection with a first sliding block, the first sliding block is slidably cooperatively connected with the inner side wall of the box body, the upper and lower ends of the first sliding block are symmetrically hingedly provided with cranks, through slots for allowing the cranks to pass are formed in the upper and lower side surfaces of the box body, and the other ends of the cranks are hinged to the left end of a sliding rod; the display screen has simple structure, the advertisement display screen is easy to install and disassemble, the power supply is safe and stable, and dust removal is conveniently conducted.

The invention provides a double-sided lifting type solar charging pile. The solar charging pile comprises a transmission system, a solar panel lifting system and a power system, wherein the transmission system, the solar panel lifting system and the power system are located in a housing; the solar panel lifting system comprises a plurality of solar panels which are arranged symmetrically from backto back in a containing cavity, the back face of each solar panel is provided with a sliding rod and a first sliding block sleeving the sliding rod, each first sliding block is connected to the lowerend of the front face of the adjacent solar panel on the inner side, the first sliding block on the innermost side is connected with the top of a telescopic rod, and the outermost side of the lower end of the telescopic rod is in driving connection to the right end of a third transmission rod through a tapered tooth; the power system includes a power supply slot and an energy storage battery which are electrically connected. According to the double-sided lifting type solar charging pile, the double-sided solar panels can automatically expand and contract, all direct or indirect sunlight in the surrounding environment is fully utilized, the efficiency is higher, energy is saved, the environment is protected, and the charging pile is safe and stable in the charging process.

The invention discloses an improved LED lamp. The lamp comprises a shell and a lamp body, wherein the shell is arranged in a wall, and the lamp body is connected with the shell in a cooperating mode;an insertion cavity is formed in the bottom end surface of the shell, and the left end wall and the right end wall of the insertion cavity are symmetrically provided with locking sliding grooves whichcommunicate with the insertion cavity and extend upwards; a power supply cavity is formed in the middle of the top end wall of the insertion cavity, and an electrifying groove and a driving groove which communicate with the power supply cavity are symmetrically arranged in the left end wall and the right end wall of the power supply cavity; and a gear containing groove is formed in the shell, andis located above the driving groove. According to the improved LED lamp, the lamp body is firmly locked, and is electrified safely and stably; when the lamp body is installed, the lamp body is electrified while the lamp body is locked; when the lamp body is disassembled, the lamp body is subjected to electricity disconnection, and meanwhile is unlocked; and the whole lamp is convenient and rapidto operate, stability of lamp body locking and power supply is improved, mounting and dismounting efficiency of the lamp body is greatly improved, electric shock accidents caused when the lamp body ismounted and dismounted are effectively avoided, and life safety of installing personnel is guaranteed.

The invention discloses a letter box which comprises a base arranged at the bottom of a letter box body and a prompt screen which is in fit connection with the base. An insert bar is fixedly arrangedat the top of the prompt screen; a first through slot is formed in the left end face of the insert bar; a second through groove communicated with the first through slot is formed in the right end faceof the insert bar; a power connector is arranged in the middle of the top end face of the insert bar; an insert slot which extends upwards and is used for being in fit connection with the insert baris formed in the bottom surface of the base. Whether there are letters in the letter box is prompted through the prompt screen, and users do not need to open the door of the letter box to check. A gravity sensor senses the letters and sends a signal to the prompt screen once the letters are fed into the letter box, and then the prompt screen sends a prompt that there are letters in the letter box.The letter box is convenient and rapid to operate.

The invention discloses new energy vehicle charging equipment. The equipment comprises a charging portion fixedly installed on an upper left end surface of a charging pile body and a charging gun headcooperatively connected to the charging portion. A bottom end surface of the charging pile body is fixedly provided with a bottom plate. A bottom of the charging portion is provided with an insertionslot. A top end wall of a right side of the insertion slot is provided with a driving chamber. A top end wall of a left side of the insertion slot is provided with a first electricity connection chamber. A second slide chamber is arranged above the driving chamber in the charging portion. Left and right end walls of the insertion slot are provided with two locking grooves in a matching mode. In the invention, an integral structure is simple, and the charging gun head is fixed safely and reliably; during usage, the charging gun head is locked and simultaneously the charging gun head is electrified so that usage and pull out efficiency of the charging gun head is greatly increased; an electric shock accident generated when the charging gun head is used and pulled out is effectively avoided;the charging gun head is electrified safely and stably; and operation of the whole equipment is convenient, safe and reliable.

The invention discloses a stable and safe LED lamp. The LED lamp comprises a lamp holder and a lamp body, wherein the lamp holder is arranged in a wall, the lamp body is used for being connected withthe lamp holder in a matched mode, a locking sliding groove and an electrifying sliding groove which extend rightwards are formed in the left end face of the lamp holder in the up-down direction, a gear containing groove communicates between the locking sliding groove and the electrifying sliding groove, and a transmission gear is rotationally arranged in the gear containing groove through a rotating shaft. The lamp body is safely and firmly locked, and the lamp body is electrified safely and stably; when the lamp body is installed, the lamp body is electrified while the lamp body is locked; and when the lamp body is disassembled, the lamp body is unlocked while the lamp body is powered off. The whole device is simple and convenient; power is realized only by a motor, so that the investment cost is reduced, the mounting and dismounting efficiency of the lamp body is greatly improved, electric shock accidents caused when the lamp body is mounted and dismounted are effectively avoided, and the life safety of workers is guaranteed.

The invention discloses LED project lamp. The LED project lamp comprises a lamp body, a connecting base, a suction cup and a support. The lamp body is located on the left side of the connecting base.The suction cup is located on the right side of the connecting base. The support is located on the lower side of the connecting base. The connecting base is fixed to a wall through the suction cup oris arranged on a table top through the support. An insertion-clamping groove is formed in the left end face of the connecting base. An elastic power plug is arranged in the middle of the bottom end wall of the insertion-clamping groove. A first longitudinal sliding groove is formed in the middle of the top end wall of the insertion-clamping groove. A first transverse sliding groove extending rightwards is formed in the right end wall of the insertion-clamping groove. A second longitudinal sliding groove extending upwards is formed in the top end wall of the first transverse sliding groove. A second transverse sliding groove is formed between the first transverse sliding groove and the second longitudinal sliding groove in a communicating mode. The LED project lamp can be fixed to the wallthrough the suction cup to be used as a ceiling lamp, the LED project lamp can be fixed to the table top through the support to be used as a common project lamp, and thus the LED project lamp has theadvantage of diversified functions.

The invention discloses a safe and easy-to-tear LED lamp. The safe and easy-to-tear LED lamp comprises a framework arranged in a wall indoors and a lamp body used for being fixed on the framework; a card insertion groove, an ejection groove and a power supplying groove are sequentially formed on the left end surface of the framework from top down; a first horizontal sliding groove which extends rightwards is formed in the framework above the card insertion groove; a second horizontal sliding groove which extends rightwards is formed in the right end wall of the ejection groove; an electrifiedsliding groove is formed in the right side of the power supplying groove in the framework; the lamp body is locked firmly, and electrifying of the lamp body is safe and stable; during assembly, the lamp body is electrified while being locked; during disassembly, the lamp body is unlocked while being diselectrified; the whole device is convenient and rapid for operation, and stability of locking ofthe lamp body is greatly improved; besides, the assembly and disassembly efficiency of the lam body is also improved; and electric shock accidents are effectively prevented during assembly and disassembly of the lamp body, so that life safety of workers is ensured.