11results about How to "Guaranteed operating temperature" patented technology

The utility model relates to the technical field of shadowless lamps, in particular to an electric focusing and dimming hole type shadowless lamp which comprises a base and a position distance focusing mechanism, a locking shaft stabilizes the relative position of the position distance focusing mechanism through a connecting arm, and the telescopic distance between a first electric push rod and a second electric push rod is controlled through a control module. The distance between the movable lens and the fixed lens is changed, focusing adjustment of light rays is achieved, the actual irradiation effect of the light rays is changed, the clamping block is used for stably clamping the movable lens, the movable lens is prevented from deviating, the fixed lens can effectively reduce shadow generation, the more uniform and clearer illumination effect is provided, visual interference in the operation process is reduced, and the operation efficiency is improved. The folding rotating arm and the lamp holder suspension arm provide a multi-angle changing supporting structure, physical hindrance to the operation process is reduced, the connecting block and the connecting rotating shaft provide a multi-angle range for light irradiation, the heat dissipation protection cover effectively dissipates heat, it is ensured that the operation temperature of the lamp is within the safe range, and discomfort and risks to operation patients and doctors are reduced.

The utility model discloses a kind of power filter of reducing insulation distance, comprising: shell, the bottom end inside shell is fixedly connected with circuit board main body, the both ends of shell are provided with a plurality of terminal of electrical connection with circuit board main body, the inside of shell is filled with sulfur hexafluoride gas;Flow guide cylinder, flow guide cylinder is fixedly connected in the middle of one side of shell, the middle of other side of shell is fixedly connected with reflux cylinder, temperature maintenance component is assembled between flow guide cylinder and reflux cylinder, temperature maintenance component is used to maintain the temperature when circuit board main body operates, the utility model relates to power filter technical field;The utility model fills in the medium of insulation and arc extinguishing in the inside of shell, can effectively reduce the insulation distance of circuit board main body, and cooperate with the setting of external induced fan, can be assisted by the circulation heat exchange of gas in shell, maintain the operating temperature of circuit board main body, avoid circuit board main body overheating operation.

This invention relates to a grid impact compensation system and control method coupled with an air separation system, belonging to the field of air separation system technology. The system includes: an air separation system for separating air and outputting a first heat exchange medium, electrically connected to the power grid; a superconducting magnetic energy storage system including a second heat exchange medium, electrically connected to the power grid, used to compensate for instantaneous power surges to the power grid from the air separation system; and a temperature-varying coupling system connected to both the superconducting magnetic energy storage system and the air separation system. The first and second heat exchange media exchange heat within the temperature-varying coupling system. The superconducting magnetic energy storage system compensates for instantaneous power surges to the power grid. The connection between the superconducting magnetic energy storage system and the air separation system via the temperature-varying coupling system not only compensates for grid surges but also maintains the operating temperature of the superconducting magnetic energy storage system, significantly reducing energy consumption when the superconducting magnetic energy storage system and the air separation system are used in conjunction.

According to the technical scheme, the protection device comprises an energy storage box, an adjusting box and a heat exchange base, a supporting plate is installed at the bottom in the energy storage box, a battery is installed at the position, located at the top of the supporting plate, in the energy storage box, and the heat exchange base is arranged at the position, located in a battery gap, in the energy storage box. A heat exchange chamber is arranged in the heat exchange base, an adjusting box is installed in the middle of one side of the energy storage box, a cold water box is installed in the middle of one side in the adjusting box, a temperature rising box is installed on one side in the adjusting box, and a controller is installed at the bottom in the adjusting box. The protection device for the energy storage device of the wind driven generator solves the problems that when an energy storage mechanism of an existing wind driven generator is used in an outdoor environment, the temperature change in the outdoor environment is large, the energy storage mechanism is prone to being damaged due to the high temperature, the service life of the energy storage mechanism is affected, and the use stability of the energy storage mechanism is reduced; therefore, the service life of the energy storage mechanism is prolonged.

This utility model discloses a damping-actively adjustable vibration damper, belonging to the technical field of vibration damper technology. The damping-actively adjustable vibration damper includes an oil tank, inside which is a working cylinder. An oil storage chamber is separated from the oil tank by the working cylinder. A piston rod is installed inside the working cylinder, and a reset valve assembly is bolted to the bottom end of the piston rod. A bottom cover is welded to the bottom of the oil tank, and a compression valve assembly is installed on the upper part of the bottom cover. The compression valve assembly and the working cylinder form a working chamber, which is filled with magnetorheological fluid. When the excitation coil malfunctions, only the coil protective cover needs to be opened to remove the excitation coil for repair or replacement, without disassembling the internal structure of the vibration damper. This greatly reduces the difficulty of maintenance and upkeep of the magnetorheological vibration damper, making it convenient to use.

The utility model discloses a handheld electric heating steam iron, and relates to the field of ironing equipment, the handheld electric heating steam iron comprises an iron body and a labyrinth type steam channel arranged at the bottom of the iron body, the labyrinth type steam channel comprises a gathering cavity, a bottom flowing channel, a middle flow guide channel and an edge distribution channel, the bottom flow channel is arranged around the edge of the gathering cavity, the middle flow guide channel is arranged between the bottom flow channel and the edge distribution channel, the edge distribution channel is arranged around the edge of the bottom of the iron body, the iron body is communicated with a steam pipe, and the steam pipe is communicated with the gathering cavity. A bottom plate is fixed to the lower portion of the iron body through bolts, and a steam outlet is formed in the bottom plate. By arranging the labyrinth type steam channel, the flowing length of steam is increased, concentrated steam is dispersed to all positions of the bottom plate, uniform heating of the bottom plate is achieved, and the ironing effect is improved.

The utility model discloses a manual and automatic integrated combined control device, relates to the technical field of fan control, and aims to solve the problems of poor heat dissipation effect, large air consumption and high energy consumption of a heat source due to the adoption of integral graded heat dissipation in the conventional device. The access door is installed at the front end of the main controller, a display screen is installed on the outer wall of the access door, a manual-automatic change-over switch is arranged on one side of the display screen, six fan switches are arranged below the display screen, and the fan switches are arranged on the outer wall of the access door. A first single-chip microcomputer chip and a first wireless data transmission module are installed in the main controller. And the temperature control cavities are installed at the rear end of the three-phase transformer body, the number of the temperature control cavities is three, the rear ends of the three temperature control cavities are each provided with two cooling fans, and the two sides of each temperature control cavity are each provided with a side air inlet.

This invention discloses a four-channel fuel cell bipolar plate and fuel cell, relating to the field of fuel cells. It includes an anode plate and a cathode plate arranged opposite each other. The anode plate forms parallel and staggered first and second ridges protruding towards the cathode plate, with the first and second ridges closely attached to the cathode plate, forming a first flow channel between them. A second flow channel and a third flow channel are formed on the opposite side of the first and second ridges relative to the cathode plate, respectively. The cathode plate protrudes along the first ridge and towards it to form a first nozzle, and along the second ridge and towards it to form a second nozzle, with the first and second nozzles arranged alternately. The bipolar plate of this invention has a dedicated drainage channel and can reuse water generated by the electrochemical reaction to self-humidify air and hydrogen, ensuring the normal operating temperature and humidity of the proton exchange membrane.

The invention discloses an energy multi-stage utilization hydrocarbon coupling system and method based on solar energy, a solar power generation module and a photo-thermal module input solar energy, the solar power generation module is connected with an energy storage module, a hydrocarbon coupling unit and an external power grid, the energy storage module is connected with the hydrocarbon coupling unit, and the photo-thermal module is connected with the hydrocarbon coupling unit; the solar power generation module is used for receiving solar energy, converting the solar energy into electric power and inputting the electric power into the energy storage module, the hydrocarbon coupling unit and an external power grid; the photo-thermal module is used for receiving solar energy, converting the solar energy into heat and inputting the heat into the hydrocarbon coupling unit; the hydrocarbon coupling unit is used for receiving the electric power input by the solar power generation module and the energy storage module and the heat input by the photo-thermal module, performing hydrocarbon coupling on the industrial waste gas flue gas containing CO2 to generate hydrogen and carbon-containing products and outputting the hydrogen and the carbon-containing products; and the energy storage module is used for receiving the electric power transmitted by the solar power generation module for energy storage and inputting the electric power into the hydrocarbon coupling unit.

The utility model belongs to the technical field of cables, and particularly relates to a high-temperature-resistant computer cable which comprises a cable body. The cable is sequentially provided with a conductor, an insulating layer, a dynamic heat dissipation layer and a sheath layer from inside to outside. The insulating layer is divided into an inner insulating layer and an outer insulating layer, thermistor wires are embedded in meshes of the dynamic heat dissipation layer, and the space between the inner layer and the outer layer of the sheath layer is filled with expansion rubber strips. The cable 1 of the utility model can form double heat-resistant functions of resistance and slow reflection in use, can automatically block oxygen when encountering open fire so as to prevent flames from spreading inwards and along the flame, and can finally disperse stress in bending so as to inhibit cracking and protect the integrity of the whole structure.

The utility model discloses a crown block positioning vehicle-mounted dustproof constant temperature device, and relates to the technical field of dustproof constant temperature devices, the crown block positioning vehicle-mounted dustproof constant temperature device comprises a mounting shell, the upper end of the mounting shell is provided with a cover plate, four corners of the cover plate are connected with the mounting shell through screws, the upper end of the mounting shell is provided with the cover plate, and the cover plate is connected with the mounting shell through screws. Side heat dissipation grooves are formed in the two sides of the installation shell, dustproof nets are arranged in the side heat dissipation grooves, two-way lead screws are installed on the two sides in the installation shell and comprise the forward lead screw and the reverse lead screw, one end of the forward lead screw is fixedly connected with the reverse lead screw, a bearing piece is installed at one end of the forward lead screw, and the other end of the forward lead screw is fixedly connected with the reverse lead screw. A transmission cover is installed at the front end of the installation shell, the front ends of the two-way lead screws on the two sides both penetrate through and extend into the transmission cover, synchronous wheels are installed, and the synchronous wheels are in transmission connection through a synchronous belt. According to the scheme, the technical problems that an existing crown block navigator is prone to data loss due to vibration, and the dustproof performance is poor are solved.