41results about How to "To achieve the effect of automatic adjustment" patented technology

The invention relates to the technical field of shock absorbers, and discloses a shock absorption wheel with automatically adjustable damping and utilizing the principle of the Winslow phenomenon. Theshock absorption wheel comprises a main shaft, an outer ring of the main shaft is connected with a bearing in a surrounded mode, the bearing is fixedly connected with a shock absorber, an outer ringof the shock absorber is fixedly connected with shock absorption plates, the lower ends of the shock absorption plates are fixedly connected with damping plates, through holes are formed inside the damping plates, the lower end surfaces of the shock absorption plates are fixedly connected with upper contacts, the lower ends of the shock absorption plates are movably connected with shock absorptionrods, electrorheological fluids are placed inside the shock absorption rods, the low end surfaces of the shock absorption rods are fixedly connected with lower contacts, and outer rings of the shockabsorption rods are connected with shock absorption springs in a surrounded mode. According to the shock absorption wheel with the automatically adjustable damping and utilizing the principle of the Winslow phenomenon, through cooperative use of the upper contacts, the lower contacts, the electrorheological fluids, a heavy block, an inertia bin, inertia contacts and coils, the effect of automatically adjusting the shock absorption damping is achieved.

The invention discloses a negative-Poisson ratio structure-based self-adaptive principal axis preload adjusting method. According to the method, a bearing inner ring spacer bush adopts a negative-Poisson ratio structure; in the initial assembly stage and the low-speed stage, the bearing inner ring spacer bush is located in a pressed state, unit cells are located in a closed state due to pressing,and the bearing inner ring spacer bush is capable of providing relatively large bearing preloading force and rigidity to a bearing; in the speed raising process of a principal axis, the bearing innerring spacer bush of the negative-Poisson structure generates trace extension in the axial direction under the action of centrifugal force, so that the inner ring of the bearing generates trace deformation or displacement along the principal axis so as to decrease the preloading force of the bearing and then realize the target of having small preloading force under high-speed working conditions; when the rotation speed is reduced, the centrifugal force is reduced, and the axial action of the bearing inner ring spacer bush of the negative-Poisson structure is decreased, so that the bearing is transferred to an initial position and then the pre-loading force of the bearing is enlarged again. The method is a material-based preloading force adjusting method which has the advantages of being simple and reliable, and is a brand-new preloading force adjusting technology.

The invention relates to a device for automatically adjusting horizontal expansion, retraction and torsion of external lifting scaffold and a construction method. The device for automatically adjusting horizontal expansion, retraction and torsion of external lifting scaffold comprises an adjusting plate and four bolts, wherein cross stiffening processing is performed on the back surface of the adjusting plate, and the whole height is 8-10 mm, the adjusting plate is enabled to cover two adjacent basic unit frame scaffold plates and is fixed on one basic unit frame scaffold plate in a two-sided manner through one bolt, and a hinging point is formed; other three bolts are fixed on the two basic unit frame scaffold plates in one sided manner, and the three extended bolts are used for limiting the adjusting plate in the cross stiffened position of the back surface of the adjusting plate; and contacts of other three bolts and the adjusting plate are limit points. By means of one-point hinge and three-point limitation, the horizontal protective safety of adjusting gaps of the lifting scaffold is guaranteed, investment of labor and material resources is also reduced, and the work efficiency is improved.

The invention discloses a manual water flow velocity measuring device for water conservancy monitoring, and relates to the technical field of water conservancy monitoring. The manual water flow velocity measuring device for water conservancy monitoring comprises a handheld rod, a speed measuring box is arranged at the lower end of the handheld rod, floating devices are arranged on the front outersurface and the rear outer surface of the speed measuring box respectively, a speed measuring device is arranged in the speed measuring box, an annunciator is arranged on the upper surface of the speed measuring box, and the lower surface of the annunciator is fixedly connected with the middle of the left end. The lower surfaces of the two semicircular blocks are fixedly connected with the middlepart of the upper surface of the speed measuring box; When the measuring device is used, an operator arrives at a measuring water area, holds the anti-skid rod with hands, puts the speed measuring boxinto water, the round blocks keep the speed measuring box horizontal, water flow flows through the speed measuring box to enable the fan blades to rotate, and the fan blades rotate to drive the rotating rod to rotate to enable the motor to work. the annunciator transmits flow rate data When the flow velocity needs to be measured in a floating mode, the floating plates on the front face and the rear face of the velocity measurement box are opened to provide buoyancy to enable the velocity measurement box to measure the water velocity in a floating mode.

The invention discloses a mobile phone mode intelligent adjustment system based on the Internet of Things. The system comprises a signal transmitter, a communication mode, and mobile phone software, wherein the signal transmitter transmits a signal, and carries out external signal broadcasting through the communication module; the signal is automatically connected with the mobile phone software; when the mobile phone software detects the signal sent by the signal transmitter through scanning, a mobile phone is automatically adjusted to a mute or vibration mode; when out of a signal radiation range, the mobile phone is automatically adjusted to an initial mobile phone mode. The system provided by the invention has the advantages that the connection between the mobile phone and the signal transmitter can be conveniently achieved, and the mobile phone can quickly and correctly identify a special environment, so that the effect of automatic adjustment in a specific location is achieved.

The invention relates to the technical field of binding machines, and discloses a JC-520 double-coil binding machine. The JC-520 double-coil binding machine comprises a cabinet body. The left upper corner of the top end of the cabinet body is movably connected with a double-coil placement frame mechanism. A feeding and coil binding mechanism is movably connected with the right side of the double-coil placement frame mechanism. A book placement platform is fixedly installed at the top end of the cabinet body. A hook feeding mechanism is fixedly installed at the top end of the feeding and coil binding mechanism. According to the JC-520 double-coil binding machine, a motor is controlled to feed materials by a double-coil detection proximity switch, an output shaft of the motor can rotate anddrive a driving chain wheel to rotate, the driving chain wheel can rotate to drive a driven chain wheel to rotate, the driven chain wheel can rotate to drive a double-coil placement optical shaft to rotate clockwise, then double coils are taken down from the interior of a packaging box and installed on the double-coil placement optical shaft, and therefore the double coils are inputted from a detection point and arrive at a wire die, and the effects of convenient conveying, labor saving, automatic press fit and automatic adjustment are achieved.

The invention relates to the technical field of textile, and discloses an energy-saving device capable of automatically adjusting the humidification amount according to the thickness of textile materials. The energy-saving device comprises a yarn guide seat, wherein a yarn guide wheel is movably connected to the outer surface of the yarn guide seat, a detection frame is fixedly connected to the interior of the yarn guide seat, an abutting and pressing head is movably connected to the outer surface of the detection frame, a telescopic rod is movably connected to the side surface of the abutting and pressing head, a telescopic spring is movably connected to the outer surface of the telescopic rod, a first deviation rod is movably connected to the side end of the telescopic rod, an elastic ejector rod is movably connected to the other end of the first deviation rod, an ejector seat is fixedly connected to one end of the elastic ejector rod, a contact is fixedly connected to the side surface of the ejector seat, one end of the contact penetrates through the interior of a storage seat, and an arc-shaped limiting plate is movably connected to the outer surface of the storage seat. When the energy-saving device is used, the humidification amount can be automatically adjusted according to the thickness of the textile materials, use is more convenient, and beneficial effects are brought to subsequent spinning production.

The invention discloses a gingko healthcare pillow with a conditioning function. The gingko healthcare pillow includes a pillow box, lifting holes are formed in the pillow box, pressure springs are fixedly connected to the inner bottom walls of the lifting holes, lifting rods are fixedly connected to the tops of the pressure springs and extend to the tops of the lifting holes, a supporting columnis fixedly connected to the top of each lifting rod, and a pillow body is fixedly connected to each supporting column. According to the gingko healthcare pillow with the conditioning function, the lifting rods are fixedly connected to the tops of the pressure springs, the effect of automatically adjusting the height of the pillow is achieved, and the gingko healthcare pillow can adapt to various crowds and is convenient to use; a conditioning massage point is fixedly connected to the top of each buffering block, the effect of conducting massage conditioning on the head and cervical vertebra ofthe human body is achieved, the conditioning massage points can better ascend and descend, and contact massage conditioning is fully carried out on the cervical vertebra of the human body, so that the problem that inconvenience is brought to use since the height of a common pillow is unchangeable is effectively solved.

The invention discloses a washing machine capable of automatically regulating the water temperature and being used for producing fruit vinegar. The washing machine comprises a machine box, wherein thefront side of the inner cavity of the machine box is fixedly connected with a cleaning box, and the bottom of the right side of the cleaning box is fixedly connected with a driving motor. Through cooperation of the driving motor, a worm, a worm wheel, a rotary shaft, a transmission mechanism, a rotary rod, an electric heating rod and a temperature sensor, the temperature sensor measures the watertemperatures of different heights; the output shaft of the driving motor drives the rotary shaft to rotate through the worm and the worm wheel; the rotary shaft drives a first fan blade to rotate; the rotary shaft drives the rotary rod to rotate through a first bevel gear and a second bevel gear; the rotary rod drives the second fan blade to rotate so as to drive hot water heated by the electricheating rod to flow; and a water flow flows out from a second pipeline and flows in from a third pipeline, the water flow forms a convection current to guarantee the evenness of the water temperature,an effect that the water temperature can be automatically regulated is realized, and the problem that an existing device can not automatically regulate the water temperature is solved.

The invention provides a monitoring device for highway electromechanical equipment and a control system thereof, and relates to the field of monitoring device. The monitoring device for the highway electromechanical equipment and the control system thereof comprise a fan device, wherein the outer side of the fan device is fixedly connected with a mounting frame, a groove is formed in one side of the mounting frame, an adjusting assembly is arranged on one side of the mounting frame, a turnover assembly is arranged on the front side of the adjusting assembly, the adjusting assembly comprises a rotating plate, and the rotating plate is embedded in the groove. According to the monitoring device for the highway electromechanical equipment, when a gear disc rotates to drive a connecting rod to pull a first rack to move, so that a connecting gear drives a second rack to move under the limiting of a first telescopic rod; and when the second rack moves, a fixing rod is driven to push a placing frame to move downwards, so that the monitoring device can move up and down while detecting the fan device in an all-around mode, the detection coverage range is expanded, and the comprehensiveness of the detected data is improved.

The invention provides a sound playing method, a device, a storage medium and an electronic device. The method comprises the following steps: obtaining target data, wherein, the target data is used for identifying the active content of the target object; Analyzing the target data using a first model to predict information of a sound to be played; The sound is played according to the information ofthe sound. The invention solves the problem that the alarm clock of the intelligent home cannot be automatically adjusted according to the active content of the target object when the intelligent home performs sound playing, and achieves the effect that the alarm clock of the intelligent home can be automatically adjusted according to the active content of the user.

The invention relates to the technical field of cosmetic processing, and discloses a cosmetic intelligent production line based on flexible manufacturing. The cosmetic intelligent production line comprises a cabinet, wherein a material inlet is arranged on the top portion of the cabinet, a processing bin is fixedly connected to the left-upper portion of the inner side of the cabinet, a pressing plate is movably connected above the processing bin, a grinding disc is movably connected below the pressing plate, a rotating rod is movably connected below the grinding disc, a spring is sleeved and connected on the outer side of the rotating rod, the inner bottom wall of the processing bin is fixedly connected to a powder guide plate, and a powder outlet pipe is movably connected to the bottom portion of the processing bin. According to the present invention, the snapping block in the grinding disc is engaged with the snapping block of the rotating rod, the raw material after sheet pressing is grinded to obtain the powder-like raw material, the powder-like raw material enters the mixing bin, and is added with water, and mixing is performed, such that the to-be-processed raw material is subjected to sheet pressing, grinding, mixing and stirring in one step by the machine so as to save a lot of manpower, shorten the production line and improve the processing efficiency.

The invention discloses a sheet metal laser cutting machine with a pressure transmission type nozzle, which belongs to the field of transmission. A sheet metal laser cutting machine with a pressure transmission type nozzle includes a laser tube installed on the laser cutting machine body, a laser tube There is a laser nozzle in the inner sliding connection, which can sense the flow and pressure of the air flow and pressure ejected from the laser nozzle through the flexible pressure sensing flap, so that the pressure fine-tuning collar can complete the transmission action, control the distance of the laser nozzle to produce fine-tuning, and increase the pressure of the fine-tuning collar and laser nozzle. The synchronicity of the internal airflow changes, thereby effectively improving the applicability of the laser nozzle. During the cutting process of the laser cutting machine body, it is suitable for the change of its parameters and shapes, and the precise distance of the laser nozzle improves the cutting accuracy of the laser cutting machine body. The processing accuracy of sheet metal parts is improved, and the spatter generated by cutting can effectively avoid the pollution of other accessories.

The invention relates to the technical field of garment fabrics, and discloses automatic steam adjusting pre-shrinking equipment for a garment fabric. The automatic steam adjusting pre-shrinking equipment comprises a body, a spring part is movably connected to the interior of a shell, and a rotating wheel is movably connected to the left end of the spring part. According to the automatic steam adjusting pre-shrinking equipment for the garment fabric, a pre-shrinking wheel and the rotating wheel rotate at the same time, cloth between the rotating wheel and the pre-shrinking wheel causes extrusion to the pre-shrinking wheel, meanwhile, a steam instrument below the fabric is started, a steam flow scours the fabric above, the fabric extrudes the bottom of an actuating wheel above, and the equipment vibrates; and a core rod drives a gear to operate, the gear is interacted and engaged with teeth on an actuating rod, the actuating rod operates upwards under the influence of the acting force of the gear, a metal frame further operates upwards along a limiting groove, an auxiliary effect is achieved, then extrusion on the fabric is released, the tightening degree of the fabric is reduced, and the automatic adjusting effect is achieved.

The invention relates to the technical field of building decoration, and discloses an automatic adjusting roughening device for a building decoration plate. The automatic adjusting roughening device comprises a shell, a rotating shaft is movably connected to the inner wall of the middle of the shell, a roughening roller is fixedly connected to the outer side of the rotating shaft, a pressing rod is movably connected to the inner wall of the middle of the shell, a blade is movably connected to the outer side of the roughening roller, an electrical stretchable push rod is fixedly connected to the top of the pressing rod, a positioning spring is fixedly connected to the inner side of the blade, magnetostrictive materials are movably connected to the inner wall of the middle of the roughening roller, and an electromagnet is fixedly connected to the inner wall of the middle of the roughening roller. According to the automatic adjusting roughening device for the building decoration plate, a trigger rod is driven to move through a rolling wheel, the trigger rod drives a conductive column to move, and then a resistor disc and an electric push rod are used in cooperation, so that the automatic adjusting effect is achieved, and the rolling wheel is extruded to rotate and drives the trigger rod to move towards the outer side, at the moment, the conductive column deviates, so that an initial resistance value of the resistor disc is changed, and the stretchable distance of the roughening roller is controlled.

The invention discloses a power adapter with a high-conversion-rate low-loss rectifying and filtering circuit. The power adapter comprises a main circuit, wherein one side of the main circuit is provided with a mains supply end connected to a mains supply, the other side of the main circuit is provided with a user end connected with a user load, and the main circuit is provided with a series resonance structure with adjustable resonance frequency. According to the invention, the series resonance structure with the adjustable resonance frequency is a series resonance circuit with an adjustablecapacitor or an adjustable inductor, and in the series resonance, the numerical value of the capacitor or the inductor is adjusted to enable the impedance of the capacitor or the inductor to be extremely small under a specific frequency, so that the harmonic current passes through the series resonance circuit completely, equivalently a short-circuit channel is provided for the harmonic current, the harmonic current does not pass through a user load end, and the filtering purpose is achieved; and through a mode of adjusting the resonant frequency, the maximum harmonic component on the commercial power grid end is filtered, and the power utilization quality on the user end is effectively ensured.

The invention relates to the technical field of new energy solar power generation, and discloses a new energy solar power generation device adjusted by adopting thermal expansion and cold contraction. The new energy solar power generation device comprises a device main body, wherein the top of the device main body is rotatably connected with a solar panel; the bottom of the solar panel is slidably connected with a sliding groove; one end, which is away from the solar panel, of the sliding groove is rotatably connected with a rotating shaft; the center of the solar panel is rotatably connected with a rotating ball; one end, which is away from the solar panel, of the rotating ball is fixedly connected with a bearing bracket; and one end, which is away from the rotating ball, of the bearing bracket is fixedly connected with a sliding ball. The new energy solar power generation device moves along with the movement of a fixed plate through a left vertical tooth heel, and pushes an auxiliary gear to rotate, thereby achieving a rotating effect brought about by a thermal expansion principle. The bearing bracket is driven to move downward through the sliding ball at the top of a main vertical tooth, so that the solar panel descends along with the bearing bracket until facing the sunlight, thereby achieving an automatic adjustment effect.

The invention relates to the field of fans, and discloses a multi-layer rotating fan which comprises a base, a bottom cover, a supporting column, an outer frame, a fan head, an adjusting mechanism and a blowing mechanism, the bottom of the supporting column is fixedly connected to the center of the top of the bottom cover, the bottom of the outer frame is fixedly connected to the top of the supporting column, the outer frame is annular, and the fan head is cylindrical. The fan head is connected with the outer frame through an adjusting mechanism, a mounting groove is formed in the top of the base, a first servo motor is fixedly connected into the mounting groove, the output end of the first servo motor is fixedly connected with a first rotating shaft, and the top end of the first rotating shaft is fixedly connected to the center of the top of the inner wall of the bottom cover. The fan head can be automatically adjusted to any needed angle in the horizontal direction and the vertical direction conveniently, the flexibility is improved, meanwhile, the automatic adjusting effect can be achieved, manual adjustment of a user is not needed, and the use requirements of people can be better met.

The invention discloses an automatic cutter adjusting device of a woodworking lathe follow rest, and relates to the technical field of woodworking lathes. The automatic cutter adjusting device of thewoodworking lathe follow rest comprises a lathe body, a follow mechanism, a vibration suppression mechanism and a cleaning mechanism are arranged on the lathe body, a base and two sets of cutter restbodies are welded to the top of a saddle of the lathe body, a U-shaped seat is welded to the outer surface of the top of the base, and the two sets of cutter rest bodies are symmetrically distributed.According to the automatic cutter adjusting device of the woodworking lathe follow rest, the pressure of a contact on a workpiece is automatically adjusted to be stabilized within a proper range, anoperator does not need to carry out fine and complex adjusting operation, the labor burden of the operator is relieved, the output pressure of the contact on the workpiece is stable, the machining quality of the workpiece is guaranteed, and the practicability of the device is improved; and the machining time is shortened, the machining efficiency is improved, and meanwhile, a damping spring further plays a role in suppressing surface vibration of the workpiece during machining operation of the lathe body.

The invention discloses an integrated radiator for a vehicle. The integrated radiator comprises a low-temperature radiator body and an engine radiator body. The low-temperature radiator and the engine radiator are arranged in an up-down overlapping mode. The low-temperature radiator and the engine radiator are each internally provided with a plurality of radiating pipes used for circulation of cooling liquid. The radiating pipes in the low-temperature radiator and / or the engine radiator comprise normally-open pipes and adjusting pipes. A pipeline of the normally open pipe is in a long-term through state; and a temperature sensing switch device is arranged in the adjusting pipe and is used for controlling the size of a circulating sectional area in the adjusting pipe. The invention further discloses an automobile. According to the integrated automobile radiator and the automobile, a good heat exchange effect can be obtained while space is saved, the heat exchange effect is adjustable, and the integrated automobile radiator and the automobile can be conveniently matched with the actual heat dissipation requirement of the automobile.

The invention relates to the technical field of new energy, and discloses new energy solar equipment capable of automatically adjusting an angle along with sunlight. The equipment comprises an equipment main body, a solar light panel is fixedly mounted at the top of the equipment main body, a sliding groove is fixedly connected to the back surface of the solar light panel, and a permanent magnet is fixedly mounted at the top of the sliding groove. And an extension spring is fixedly connected to the interior of the sliding groove, and a pushing support is slidably connected to the front faces of the sliding groove. A magnetic block with an N pole on the other side of a pushing magnetic block can attract, continuously repel and attract an S pole on the other side to drive a rolling gear to perform meshing motion on a small fluted disc, so that the effect of saving manpower is achieved, and the solar light panel is driven to slowly move towards the center of the equipment main body through the sliding groove until the solar light panel irradiates sunlight, and a thermal inductance ball stops absorbing heat, so that the effect of automatically adjusting the solar light panel is achieved.

The invention relates to the technical field of building structures, and discloses building structure strength detection equipment capable of automatically adjusting downward pressure. The building structure strength detection equipment comprises a detection seat, a placement plate is fixedly connected in the detection seat, a mounting frame is fixedly connected in the detection seat, a threaded column is movably connected in the mounting frame, a sliding sleeve is movably connected to the outer surface of the threaded column, rotating rods are movably connected to the left side and the right side of the sliding sleeve, a pushing rod is movably connected to one end of each rotating rod, a moving rod is movably connected to one end of each pushing rod, a rotating disc is rotatably connected to the position, located at one end of each moving rod, in the detection base, and the outer surface of the rotating disc is rotationally connected with a meshing rod. The automatic adjustment effect is achieved during use, use is more convenient, the beneficial effect is brought to building structure strength detection, the detection force can be automatically adjusted according to needs, and convenience is brought to later building structure production.

The invention relates to the technical field of glass curtain walls, and discloses glass curtain wall equipment capable of avoiding shaking and secondary pollution caused by the wind speed. The glasscurtain wall equipment comprises a main body, and fasteners are fixedly connected to the left and right ends of the main body correspondingly. According to the glass curtain wall equipment capable ofavoiding shaking and secondary pollution caused by the wind speed, a sliding block starts to operate along a limiting groove in the rear end, thus people can observe the wind speed more accurately sothat an instrument can be operated, a metal pipe inclines and operates towards the middle under the action of gravity, the metal pipe makes contact with an acting piece and operates synchronously, aninduction switch is triggered when the metal pipe makes contact with the acting piece, a communicating rod is adjusted left and right, so that the gravity of the metal pipe at the upper end is synchronously changed, the effect of preventing shaking is achieved, the problem of serious loss caused by the influence of the wind speed is avoided, the effect of automatic adjustment is achieved, and inconvenience in operation is avoided; and the glass curtain wall equipment replaces manual operation, so that automation is improved.

The invention discloses an air conditioner, a control method, device and system of the air conditioner and a remote server. The control method of the air conditioner comprises the steps of obtaining environment parameter information, wherein the environment parameter information is parameter information of environment where the air conditioner is located; sending the environment parameter information to the remote server, wherein the remote server is used for inquiring control parameter information corresponding to the environment parameter information and issuing the control parameter information to the air conditioner; receiving the control parameter information from the remote server; and according to the control parameter information, executing control over the air conditioner. Through the control method, the problems that in the related technology, a user needs to repeatedly operate the air conditioner according to environment changes, and consequently operation is inconvenient are solved.

The invention relates to the technical field of temporary floating bridges, and discloses a temporary floating bridge capable of reducing water flow impact, which comprises a floating block. A limiting rod is movably connected in the floating block, a force unloading mechanism is arranged outside the limiting rod, an induction mechanism is arranged outside the force unloading mechanism, and the force unloading mechanism comprises a connecting rod. The outer portion of the connecting rod is fixedly connected with a toothed bar, and the outer portion of the connecting rod is fixedly connected with a limiting mechanism. According to the temporary floating bridge capable of reducing the water flow impact, the right side is a wave peak, the left side is a wave valley, at the moment, a left side limiting mechanism of a limiting rod is separated from the limiting rod, a right side limiting mechanism makes contact with the limiting rod, a floating block can move upwards relative to the limiting rod, and when waves are in the reverse direction, the floating block can move downwards in the same way; therefore, the stability of the floating bridge can be guaranteed in the up-and-down fluctuating process of waves, and the use safety of the device is guaranteed.

The invention discloses a cooling system for a hydrogen fuel cell stack. The left side of the water pump is fixedly connected to the right side of the cooling box through a fixing device. The inner cavity of the cooling box is fixedly connected with a sloping plate and a fixing plate, and the output end of the water pump is connected to the cooling box. There is a water inlet pipe. The left end of the water inlet pipe runs through the right side of the cooling box and extends to the inner cavity of the cooling box. An air pump is fixedly connected to the right side of the fixing plate. The invention relates to the technical field of hydrogen fuel cells. In the cooling system of the hydrogen fuel cell stack, the water flows through the water inlet pipe into the water cooling box, and then moves downward through the inclined plate, and the air delivery pipe transports the air into and out of the air pipe, and discharges it evenly through multiple exhaust slots evenly opened on the side of the air outlet pipe. The water flow moves downward after passing through the barbed wire, and the air moves upward to ensure that the air is in full contact with the water flow, and the air is cooled, and the cooled air is cooled to ensure efficiency, which solves the problem of low cooling efficiency and ineffective use of common cooling systems. good question.

The invention discloses a low-stimulation multi-angle shadowless lamp for eye care, which relates to the technical field of shadowless lamps. The bottom is movably connected with balls, the inner walls on both sides of the slider are fixedly connected with a magnetic plate 1, and the top inner wall of the base is fixedly connected with two mutually symmetrical positive plates. The low-stimulation multi-angle shadowless lamp for eye care is used in conjunction with the dielectric plate and the clip. When the base is not horizontal, the slider will move to the lower side under the action of gravity, and the support on the higher side The legs are in the active state, and the base moves downward under the action of gravity, so that the base is automatically adjusted to the level. At this time, the block will re-extend to the outside under the action of the spring 1, so that the support legs and the base are relatively fixed, so as to achieve The effect of automatic adjustment effectively ensures the stability of the base.

The invention discloses a cooling system of a hydrogen fuel cell stack. The left side of a water pump is fixedly connected with the right side of a cooling box through a fixing device, an inner cavityof the cooling box is fixedly connected with an inclined plate and a fixing plate, the output end of the water pump is communicated with a water inlet pipe, the left end of the water inlet pipe penetrates through the right side of the cooling box and extends to the inner cavity of the cooling box, and the right side of the fixing plate is fixedly connected with an air pump. The invention relatesto the technical field of hydrogen fuel cells. According to the cooling system of the hydrogen fuel cell stack, the water flow enters into the water cooling box through the water inlet pipe and then moves leftwards and rightwards through the inclined plate; air is conveyed into an air outlet pipe by an air conveying pipe, the air is uniformly exhausted through a plurality of exhaust grooves uniformly formed in the side surface of the air outlet pipe, the water flow passes through an iron gauze and then moves downwards, the air moves upwards, it is guaranteed that the air makes full contact with the water flow, the air is cooled, the cooled air is used for cooling, the efficiency is guaranteed, and the problems that a common cooling system is low in cooling efficiency and poor in using effect are solved.