67results about How to "Does not affect lighting effects" patented technology

The invention relates to a control system and a control method of a lithium cell type solar LED street lamp. The control system comprises a solar cell panel, a power supply lithium cell assembly, a brightness-adjustable LED lamp, a constant-current dimmer and an intelligent controller. The solar cell panel, the power supply lithium cell assembly and the constant-current dimmer are connected with the intelligent controller. The brightness-adjustable LED lamp is connected with the constant-current dimmer. The intelligent controller comprises a control mainboard, a cell panel management module, a lithium cell management module and an LED lighting driving module. The LED lighting driving module is connected with the control mainboard. The power supply lithium cell assembly comprises a lithium cell set, a cell protecting board, a constant-temperature control board and a heating board. The lithium cell set, the constant-temperature control board and the heating board are connected with the cell protecting board. The cell protecting board is connected with the intelligent controller. According to the control method, one or a set of lighting curves is generated through the intelligent controller according to a user decision table, and furthermore a certain lighting curve is selected for performing dimming on the brightness-adjustable LED lamp, thereby satisfying a road requirement of a user.

The invention discloses an LED bulb light circuit protected by linear temperature control. The LED bulb light circuit comprises an LED driving circuit and a temperature protection circuit, wherein the LED driving circuit comprises an overcurrent and overvoltage protection unit, a rectification filtering unit, a switch constant-current unit and an output unit, the temperature protection circuit comprises a negative temperature coefficient thermistor, a reference resistor and a temperature detection and control circuit, the negative temperature coefficient thermistor is arranged on an LED light source, and the output unit is connected with a power supply unit. The LED bulb light circuit has the advantages that the negative temperature coefficient thermistor and the reference resistor are adopted, a first working temperature point is set, no any influence of the negative temperature coefficient thermistor on an LED bulb light is generated when the temperature of the LED light source is lower than the first working temperature point, a resistance value of the negative temperature coefficient thermistor changes to make current change of the LED light source linear when the temperature of the LED light source is equal to or higher than the first working temperature point, the luminous brightness of the LED lights source changes unobviously, thus, a lighting effect cannot be affected, and the LED bulb light is prevented from being overheated.

The invention discloses a miner light capable of conveniently removing dust. The miner light capable of conveniently removing the dust comprises a light guide plate, an LED light source plate, a light cover and a cover plate which are sequentially installed; a radiator is arranged in the light cover over the LED light source plate, the outer surface of the light guide plate is provided with a dust removing doctor blade, the center of the dust removing doctor blade is connected with the light guide plate, and the dust removing doctor blade can rotate around the center of the light guide plate. Due to the fact that the rotatable dust removing doctor blade is arranged on the surface of the light guide plate, not only is the lighting effect not influenced, but also the dust on the surface of the light guide plate can be automatically and effectively removed when more dust is accumulated on the surface of the light guide plate, and the lighting effect can be guaranteed.

The invention discloses a street lamp with a rainwater interception cleaning function. The street lamp comprises a load-bearing rod, a steel wire rope and a mounting frame, wherein a fixed rod is mounted on the upper part of the load-bearing rod, and the steel wire rope penetrates through the upper part of a fixed pulley; the lower end of a support rod penetrates into a curved frame, and a power distribution box is installed on the outer side of a mounting cylinder; a bracket is mounted on the side surface of the power distribution box; a flat plate is connected below the power distribution box, and a flow channel is reserved in the flat plate; a water outlet hole is formed in the bottom surface of the mounting cylinder, and a transmission gear is mounted below the support rod; and a transmission cylinder is connected to the right side of the transmission gear, and a lamp cover is mounted below the flat plate. According to the street lamp with the rainwater interception cleaning function, since the upper end port diameter of the mounting cylinder is larger than the inner diameter of the mounting cylinder, rainwater conveniently flows down directly from a turbine, so that the turbine rotates, driving of the rotation of the support rod is facilitated, and finally the transmission cylinder is driven by the transmission gear to rotate.

The invention discloses a heat dissipation LED lamp with a fall preventing effect. The heat dissipation LED lamp comprises a fixed base, a fixed ring and a connecting column; the fixed base is fixedlyconnected with a lamp cover; a first heat conducting aluminum plate is arranged in the lamp cover, and is provided with an LED bulb; the fixed ring and the lamp cover form an integral structure; a damping spring is arranged between the fixed ring and a movable ring; the movable ring is positioned below the fixed ring, and is provided with a slide rail; the bottom end of the connecting column is fixedly connected with the movable ring; and the slide rail is embedded into a wall body of the lamp cover. When the heat dissipation LED lamp with the fall preventing effect accidentally falls, the damping spring thereon can automatically extend to contact with the ground firstly for buffering, so that the fall of the LED lamp is effectively prevented; and meanwhile, the damping spring is always located in a compressed state during installing, so that light rays of the LED lamp cannot be shielded without influencing the illumination effect of the LED lamp.

The invention relates to a light emitting diode (LED) lamp. The LED lamp comprises a shell body, a lampshade, an LED substrate and a fixing structure. The shell body is provided with an upper surface and a lower surface. The LED substrate is installed on the lower surface. The lampshade covers the lower surface. The fixing structure comprises a fixing clip, a fixing support and two springs. The fixing clip is installed on the upper surface and provided with a first buckle and a second buckle, and the first buckle and the second buckle are arranged oppositely. A groove hole is formed in the middle of the fixing support. The length of the groove hole is less than the distance between the first buckle and the second buckle. The fixing clip is clamped into the groove hole, and the first buckle and the second buckle abut against the two ends of the groove hole after being deformed to make the fixing clip to be combined with the fixing support. The two springs are installed on the fixing support and are used for being abutted against a supporting body. The fixing support can bear the shell body through the combination of the fixing clip and the fixing support and the resistant force of the two springs.

The invention relates to an LED (light emitting diode) lighting and cooling system which comprises a lighting unit, a cooling unit and a control unit, wherein the lighting unit comprises an LED daylight lamp and a light-gathering plate adjusting device, and the cooling unit comprises a temperature sensor and a mini-type cooling fan; and the temperature sensor collects the temperature of a circuit board and sends the temperature to the control unit for processing, the control unit controls the quantity of LED lightened points and the startup of the mini-type cooling fan and the light-gathering plate adjusting device according to the temperature value collected by the temperature sensor, the light-gathering plate adjusting device drives a light-gathering plate to move downward and causes the light-gathering plate and an arc-shaped reflecting plate to form a cooling channel, and the mini-type cooling fan blows hot air out of the LED daylight lamp through the cooling channel. According to the invention, the cooling channel is formed through lowering the position of the light-gathering plate by virtue of the light-gathering plate adjusting device, and the mini-type cooling fan discharges a large quantity of heat accumulated in the lamp through the cooling channel, thus effective cooling control can be carried out on the LED daylight lamp.

The invention relates to an LED flexible variable color neon lamp for replacing a glass neon lamp, which belongs to the technical field of illumination, decoration and advertisement lamplight. The LED flexible variable color neon lamp is characterized in that the formation of using a lightproof insert strip provided with a flat LED tube to enwrap a flexible opalescent pervious hose, wherein the cross section of the lightproof insert strip is H-shaped, two lower open foot ends are provided with inward vertical bent sheets to form an insert blocking layer of which the middle is provided with a crack, the lightproof insert strip is a strip cuboid of which the upper part is provided with an open groove and the lower part is provided with a middle seam groove, rectangular small holes with communicated upper parts and lower parts are formed at equal intervals on a groove and a lower end seam groove of the lightproof insert strip, and a PVC unit rectangular small plate welded with a red, green and blue flat LED tube is embedded in each small hole. The LED flexible variable color neon lamp has the advantage of providing a lighting tube with uniform and continuous rays, which can be bent into any shapes at will continuously, enclosed into any patterns, or formed into catchphrases with convenient and flexible use, soft structure, convenient manufacture and low cost, thus the LED flexible variable color neon lamp is a perfect neon lamp.

The invention discloses an angle adjustable type illumination device for a sewing machine. The angle adjustable type illumination device comprises a fixed groove and an illumination device, wherein the illumination device is mounted in the fixed groove and comprises a first supporting rod, a first connecting rod, a lamp socket, a second connecting rod and a second supporting rod; the lower end of the first supporting rod is fixed on a groove wall at one end of the fixed groove and is movably connected with the groove wall; one end of the first connecting rod is movably connected with the upper end of the first supporting rod and the other end of the first connecting rod is movably connected with a seat body at one side of the lamp socket; one end of the second connecting rod is movably connected with a seat body at the other side of the lamp socket; the other end of the second connecting rod is fixedly connected with an end part of the second connecting rod; the lamp socket is provided with an illumination lamp. The angle adjustable type illumination device for the sewing machine, disclosed by the invention, can be used for effectively realizing an illumination function and has high supporting stability in an illumination process; an illumination position and an illumination angle can be adjusted according to actual utilization requirements; in a utilization process, the angle adjustable type illumination device can also be folded in a machine platform; installation and transportation of peripheral equipment are not influenced and the practicability is high.

An integral intelligent clothes airing machine of the invention comprises at least two parallel airing rods, at least two transverse rods which are kept perpendicular and fixedly connected are arranged between the airing rods, a certain distance is kept between the transverse rods, at least one power winding device and an integrated control device are arranged in each transverse rod, the number of the lifting ropes output by the power winding device is four, and the ends of the four lifting ropes are fixedly connected with a ceiling. Due to the fact that a large space is formed in the middle of a rectangular frame formed by the airing rod and the transverse rod, the lighting effect of the balcony lighting lamp cannot be affected, and the machine body is thin, the cost is low, the whole machine performance is high, and installation, transportation and maintenance are convenient; and due to arrangement of a telescopic rod and the quilt airing rods, the airing rods can be conveniently adjusted according to requirements, and large clothes such as quilts can be aired.

The invention discloses an LED lamp with a strong heat dissipation effect. The LED lamp comprises a base plate, a light source module, a lampshade and a plurality of heat dissipation pipes, wherein aplurality of first heat dissipation holes are formed in the periphery of the base plate at intervals; the light source module comprises a substrate fixed on the base plate and an LED light source fixed on the substrate; the lampshade is fixedly connected with the base plate, and covers the light source module, and second heat dissipation holes in a circle are formed in the part close to the upperend of the lampshade; and each heat dissipation pipe is positioned in the lampshade, and two ends of each heat dissipation pipe are inserted into the corresponding first heat dissipation hole and thecorresponding second heat dissipation hole, and communicating with the outside. Due to such an arrangement, outside air can be circulated in the heat dissipation pipes, so that heat in the lamp is taken away, and the strong heat dissipation effect is achieved.

The invention provides a protective cover for an LED automobile headlamp, and specifically relates to the field of protective covers for automobile lamps. The protective cover comprises a lamp bulb and a protective cover body, wherein the protective cover body is arranged at the periphery of the lamp bulb; a spring is arranged at the lower end of the protective cover body; one end of the spring is connected with the lower-end edge of the protective cover body; and the other end of the spring is arranged on an automobile body. The protective cover provided by the invention is capable of effectively avoiding the damage of the protective cover body, and free from influence on the illumination effect of the automobile lamp.

The invention provides an LED (light emitting diode) highlight illuminating lamp with a function of mosquito killing. The LED highlight illuminating lamp with the function of mosquito killing comprises an LED illuminating component; a lamp cover is arranged in front of the illuminating component, and a radiator is arranged in rear of the illuminating component; convex lenses closely abutted against mutually are distributed on the whole surface of the lamp cover; the diameter of each convex lens is 3mm-8mm; one face of each convex lens is convex while the other face of each convex lens is concave; the convex faces face the inner side of the lamp cover while the concave faces face the outer side of the lamp cover. The LED highlight illuminating lamp with the function of mosquito killing is capable of killing mosquitoes around a bulb while providing highlight illumination.

The invention discloses a heat dissipating system of an LED street lamp. The heat dissipating system comprises a plurality of LED chips serving as an LED street lamp light source, the lower sides of the LED chips are fixedly provided with substrates used for transmitting heat produced when the LED chips work, the lower sides of the substrates are provided with integrated radiators for dissipating heat, the lower surfaces of the substrates and the upper surfaces of the integrated radiators are fixedly connected, and the lower sides of the integrated radiators are provided with a plurality of synthetic jet radiators. Each synthetic jet radiator comprises a synthetic jet outer wall of a reverse concave structure, the upper surface of the synthetic jet outer wall is provided with a cavity opening, the lower side of the synthetic jet outer wall is provided with an elastic membrane, the lower side of the elastic membrane is provided with a piezoelectric plate, the synthetic jet radiator is fixedly arranged in a groove of a clamping base, and the cavity opening directly faces the lower surface of the corresponding integrated radiator. The heat dissipating system is reasonable in design, simple in structure, convenient to use, good in heat dissipating effect and convenient to popularize and use and cannot affect the lighting effect.

The invention discloses a colorful anti-dazzle type LED underground lamp. The colorful anti-dazzle type LED underground lamp comprises a box body, a lamp body is fixedly connected to the inner bottomof the box body; a transparent plate is fixedly connected to the upper end of the box body, a plurality of grooves are formed in the upper end of the box body, elastic plates are fixedly connected toopenings of the grooves, magnetic sliding plugs are fixedly connected to the lower ends of the elastic plates through telescopic springs, the magnetic sliding plugs are slidably connected with the inner walls of the grooves, and spiral coils are embedded in the inner walls of the grooves. According to the invention, the temperature on a conductive plate rises; the concentration of charge carrierson the conductive plate is sharply increased; the transparency of the conductive plate is further reduced; light emitted by the lamp body is shielded and prevented from dazzling human eyes, a triangular prism is made to rotate continuously through periodical stretching and retracting of a conductive spring, the light emitted by the lamp body emits light of various colors through the triangular prism, the effect similar to a flash lamp is achieved, then the rendering effect on the surrounding environment is improved, and the playability is high.

The invention discloses a multiple light source explosion-proof lamp. The lamp comprises an explosion-proof lamp shell, a reflector fixed in the lamp shell and a light source arranged in the reflector, wherein the reflector is composed of at least two single reflector which are distributed in parallel; and the inside of each single reflector is provided with an LED light source. The invention provides the multiple light source explosion-proof lamp with high luminous efficacy, energy-saving and good illumination uniformity and lighting effect.

The invention relates to the field of illumination, in particular to a table lamp with an eye protection free-disturbing light shield. The shape of a lampshade is a cuboid, limiting plates are fixedlyinstalled on the front side faces on the front side and the rear side inside of the lampshade, the limiting plates are L-shaped, and round angle transitions are formed in right-angled positions; sliding grooves are formed in the limiting plates, and the light shield is connected on the limiting plates in a lapped mode, wherein sliding rails are arranged on the front side and the rear side of thebottom face of the light shield, the sliding rails are sleeved in the sliding grooves, and blocking strips are arranged in the right directions of the longitudinal sections of the limiting plates; theblocking strips are fixedly installed on the front surface and the rear surface inside the lampshade, the light shield can penetrate through the interval between the longitudinal sections of the limiting plates and the blocking strips, baffles are fixedly connected with the tail end of the light shield, fixing plates are fixedly installed on the inner surface of the lampshade, and springs are connected between the baffles and the fixing plates; and a fixing buckle is rotationally hinged to the bottom of the light shield, the fixing buckle is L-shaped, when the light shield completely covers the lampshade, the fixing buckle can be connected on a cover shell of the lampshade in a buckled mode, a shifting plate is arranged on the fixing buckle, and a magnet is installed in the upper surfaceof the interior of the lampshade in an embedded mode.

The invention discloses an LED drive circuit capable of independently controlling illumination and visible light communication. The LED drive circuit comprises a direct-current power supply; a currenttype BUCK circuit used for converting a direct current power supply of a voltage source into a direct current source with controllable and adjustable current amplitude; a parallel MOSFET dimming circuit connected used for realizing PWM dimming of an LED array for illumination dimming under control of the MCU main control circuit; an LED array for illumination and dimming; an optical communicationmodulation MOSFET circuit used for realizing a high-speed modulation function of a transmission signal under control of an optocoupler isolation driving circuit; an LED array for optical communication modulation; a MCU main control circuit used for collecting the current of the current type BUCK circuit, obtaining an external given signal, generating a pulse width modulation control signal for controlling the parallel MOSFET dimming circuit through the PWM generator, and obtaining a high-speed VPPM signal needing to be transmitted to be output; and the optocoupler isolation driving circuit connected with the MCU main control circuit.

The invention discloses a searchlight device convenient to use. The searchlight device comprises a base and a lamp holder, wherein the base is internally provided with a pushing cavity, and the lamp holder is arranged in the pushing cavity; a lamp bulb is arranged in the lamp holder; a plug pin and a socket are arranged on the left end surface of the lamp holder, wherein the socket is arranged below the plug pin; a slot is formed in the position, corresponding to the plug pin, of the base; a driving cavity is formed in the position, below the slot, of the base; an abutting-pressing cavity is formed in the position, on the left sides of the slot and the driving cavity, of the base; a sliding block is arranged in the abutting-resisting cavity; a first compression part is arranged at the upper end of the sliding block; an abutting-pressing groove is formed in the right end surface of the sliding block; a first convex tooth part is arranged on the position, bellow the abutting-pressing groove, of the sliding block; a driving disc is arranged in the driving cavity and is connected to the first convex tooth part in a meshing mode; a guide rod is arranged at the upper end of the driving disc; a guide connection block is arranged on the guide rod; and an electrifying plug pin is connected to the bottom of the guide connection block. according to the searchlight device, the safety in the replacement process can be improved.

The invention relates to a heat radiation system for LED (light emitting diode) illumination. The heat radiation system comprises an illumination unit, a heat radiation unit and a control unit. The illumination unit comprises an LED daylight lamp and a light gathering plate adjustment device, the heat radiation unit comprises a temperature sensor and a heat radiation miniature fan, the temperature sensor is used for collecting a temperature of the circuit board and sending the data to the control unit for processing, the control unit is used for controlling the illuminating number of light emitting diodes and starting of the heat radiation miniature fan and the light gathering adjustment device according to the temperature value collected by the temperature sensor, the light gathering plate adjustment device is used for driving a light gathering plate to move downward and enabling the light gathering plate to form a heat radiation passageway with an arc reflecting plate, and the heat radiation miniature fan is used for blowing hot air out of the LED daylight lamp through the heat radiation passageway. Since the position of the light gathering plate is lowered by the light gathering plate adjustment device so as to form the heat radiation passageway, a great amount of heat accumulated in the lamp is exhausted by the heat radiation miniature fan through the heat radiation passageway, and heat radiation on the LED daylight lamp can be effectively controlled.

The invention relates to an LED (Light Emitting Diode) lighting and heat dissipation system, which comprises a lighting unit, a heat dissipation unit and a control unit, wherein the lighting unit comprises an LED fluorescent lamp and a condenser plate adjusting device, and the heat dissipation unit comprises a temperature sensor and a heat dissipation mini fan. The temperature of a circuit board is collected and sent to the control unit for processing by the temperature sensor, and the number of lightened light emitting diodes is controlled according to the temperature value collected by the temperature sensor and the turn-on of the heat dissipation mini fan and the condenser plate adjusting device are controlled by the control unit; the condenser plate adjusting device drives a condenser plate to move downwards, so that the condenser plate and an arc reflective plate form a heat dissipation channel; and hot air is blown out of the LED fluorescent lamp through the heat dissipation channel by the heat dissipation mini fan. The position of the condenser plate is reduced through the condenser plate adjusting device, so that the heat dissipation channel is formed; and a lot of heat accumulated in the lamp is exhausted through the heat dissipation channel by the heat dissipation mini fan, so that the heat dissipation of the LED fluorescent lamp can be effectively controlled.

The invention relates to a ceiling equipment hidden structure which comprises a lamp holder installed on a wall top, a lamp is installed in the lamp holder, an opening allowing the lamp holder to be vertically inserted is formed in a ceiling, an installation base is fixedly connected to the position, at the opening, of the wall top, the lamp holder is installed on the installation base, and a sliding block is slidably connected to the installation base in the vertical direction. A cover plate used for covering the opening is hinged to the sliding block, a channel allowing the cover plate to bevertically inserted is formed in the ceiling, the sliding block slides to drive the cover plate to rotate to be vertically inserted into the channel, a decorative layer is arranged on the outer surface of the cover plate, a driving assembly used for driving the sliding block to vertically slide is arranged on the installation base, a torsional spring is fixedly connected to the sliding block, andthe other end of the torsional spring is fixedly connected with a cover plate; and when the torsional spring is not deformed, the opening is covered with the cover plate. The ceiling equipment hiddenstructure has the effect that the integrity of the ceiling is not affected while the influence on the lighting effect caused by dust is reduced.

The invention provides a cartoon rendering undercut smoothing method, which comprises the following steps of: storing the normal of a completely smooth model into model data offline, and generating anundercut by using the completely smooth normal so as to achieve a smoother undercut effect. In addition, two sets of normal lines are stored in model data and are respectively used for undercut and illumination calculation. Through multiple sets of normal technologies, the smooth and continuous undercut effect in cartoon rendering is ensured, and meanwhile, the normal illumination effect is not influenced. The normal after the smooth group of the model is stored into tangent information of the model, and the geometric body surface is expanded outwards along the normal after the smooth group to generate a smoother hook edge.

The invention discloses a relay lens and a lighting system. The relay lens comprises a first part and a second part. The first incident plane of the first part is a plane perpendicular to the light path, and a first emitting face of the first part is a convex ball face. The second part is located at the center position of the first part, a second incident plane of the second part is a plane perpendicular to the light path, and the curvature of a second emitting face of the second part is smaller than the curvature of the first emitting face. Due to the fact that no strict requirements for whether the lighting light rays at the center position are collimated into parallel light rays or not exist, when the curvature of the second emitting face of the second part located at the center position of the first part is smaller than the curvature of the first emitting face of the first part, the rise of the relay lens can be reduced on the premise that the lighting effect is not influenced, andaccordingly, the total length of the relay lens is reduced.

The invention discloses a street lamp based on electronic ballast and an intelligent control method of the street lamp. The street lamp comprises an electronic ballast part for driving and controlling a light-emitting unit to emit lights, and an intelligent control part for controlling the electronic ballast to be started and adjusting a voltage, wherein the electronic ballast part is arranged between a power supply and the light-emitting unit. The intelligent control method of the street lamp comprises the following steps that: (1) an alternating sampling unit samples rectified and filtered voltage state information of an electric supply power grid; (b) a core processing unit carries out comparative analysis treatment on current time information of a clock unit, data information set by a user and data sent by the alternating sampling unit; (c) the core processing unit outputs a switch control signal for controlling a drive and a high-frequency inversion unit of the electronic ballast part to work, and a voltage signal for adjusting the brightness of the street lamp according to a processing result; and (d) the drive and the high-frequency inversion unit of the electronic ballast part adjust a working voltage of the light-emitting unit according to the switch control signal and the voltage signal for adjusting the brightness of the street lamp, which are sent by the core processing unit. According to the street lamp based on the electronic ballast and the intelligent control method of the street lamp, disclosed by the invention, the intelligent control of the street lamp can be realized on a previous wiring basis and the service life of a lamp source is not influenced; and the energy-saving effect is very obvious during a period from 23 p.m. to 5 a.m.

The invention discloses a novel office lighting desk lamp and belongs to the technical field of office supplies. The novel office lighting desk lamp comprises a lamp body and a lamp holder; the lamp body is arranged on a vertical beam of the lamp holder; the lamp holder is formed by an upper beam, a lower beam and the vertical beam; a base is fixedly arranged on the vertical beam of the lamp holder. According to the novel office lighting desk lamp, the design is reasonable and the structure is simple; the lamp body is fixed on the vertical beam of the lamp holder and accordingly the stable and firm effect is achieved and the light is irradiated within a preset range in a concentrated mode when being emitted out; the light can be effectively converged through the beams of the lamp holder and accordingly the high brightness within the preset range is ensured, the light influence on other ranges cannot be affected, convenience is brought to a user, and meanwhile the normal work or rest of others cannot be affected.

The invention belongs to the field of LED lamps and relates to a coal underground explosion-proof LED illuminating lamp. The lamp comprises a mounting base and an LED light source, a lifting plate which is horizontally arranged is connected to the inner side wall of the mounting base in a sliding manner, the upper surface of the lifting plate is fixedly connected with the inner top surface of themounting base through an elastic air bag, a semispherical transparent cover is mounted at the bottom of the mounting base, the LED light source is installed in the transparent cover, a protective netis arranged outside the transparent cover, the protective net is formed by weaving a plurality of ribs, the upper end of the protective net penetrates through the bottom face of the installation baseand is fixedly connected with the lifting plate, the ribs are sleeved with expansion pipes, and the expansion pipes are communicated with the elastic air bag. By arranging the expansion pipe, in the normal state, the collision pipe contracts and is tightly attached to the ribs, light emitted by the LED light source is shielded a little, when the protective net is collided and extruded, the expansion pipe is inflated and expanded, the protective area of the transparent cover is increased, and meanwhile a good buffering effect is provided.

The invention discloses a slidable hand lamp. The slidable hand lamp comprises an outer shell and a base, wherein a hollow cavity is formed in the outer shell, a mounting groove is formed in the lower end of the outer shell, the base is fixedly mounted in the mounting groove, a round opening is formed in the top of the mounting groove, and an integrated circuit inner shell is arranged at the upper end of the base. According to the invention, an arc-shaped handle is arranged, sliding grooves are formed in the two sides of the arc-shaped handle, resistance blocks slide in the sliding grooves when the lamp is lifted, and the arc-shaped handle moves upwards to form a certain space so as to facilitate lifting of the lamp; and due to the fact that the resistance blocks are clamped in the sliding grooves, the height of the arc-shaped handle can be freely adjusted to form various shapes, so the lamp can adapt to various product use scenes easily, a lamp body cannot shake when the lamp is lifted, lighting effect cannot be affected by shaking during lighting, the lamp body cannot be damaged due to shaking, the lamp body can be better controlled, and transportation space can be saved in large-batch transportation of products.