17results about How to "Increase radiation intensity" patented technology

The invention belongs to the technical field of agricultural film preparation, and particularly relates to a coating type polyolefin seven-layer co-extrusion light-conversion dustproof high-heat-preservation pesticide-resistant long-acting dripping fog dispersal greenhouse film and a preparation method thereof. The greenhouse film is composed of a first inner dustproof anti-aging layer, a second inner heat-preservation anti-aging dustproof storage layer, a third inner high-heat-preservation anti-aging layer, a middle light conversion layer, a third outer high-heat-preservation anti-aging layer, a second outer heat-preservation anti-aging layer, a first outer modified bonding anti-aging layer and a coating layer-long-acting dripping fog dispersal layer. The specification width of the greenhouse film is 10 m or above, the thickness is 0.12 mm-0. 22 mm, the light transmittance is 90% or above, the haze is 15% or below, the infrared transmittance is smaller than 18%, the annual attenuation rate of the light transmittance is smaller than 1.0% due to the dustproof function, the lasting period of the dripping fog dissipation function is 10 years or above, and the requirements of farmers for various performance indexes of the greenhouse film with the service life being 10 years or above can be completely met.

The present invention discloses an independent multi-point quartz lamp thermal assessment device based on focused heating, which can perform remote, continuous, non-contact and controllable heating on the heating surface or point of the sample under test, which not only overcomes the shortcomings of traditional gas thermal shock test devices, such as high cost, large noise pollution, difficult control of temperature distribution and rising and falling rates, low safety, and inability of isothermal thermal cycle test devices to achieve gradient thermal shock, but also overcomes the shortcomings of traditional quartz lamp heating devices, such as low efficiency, low temperature rise, low upper temperature limit, short continuous heating time, and poor adaptability. At the same time, gradient or isothermal thermal shock in a wide range can be achieved by adjusting the heating power, heating distance, and modular splicing number of the quartz lamp. Therefore, the present invention realizes an economical, safe, clean, quiet, flexible and efficient gradient thermal shock test device.

The invention belongs to the technical field of agricultural film preparation, and particularly relates to an internal addition type polyolefin seven-layer co-extrusion light-conversion dustproof high-heat-preservation pesticide-resistant long-acting dripping fog dispersal greenhouse film and a preparation method thereof. The greenhouse film is composed of a first outer layer which is a dustproof anti-aging layer, a second outer layer which is a light conversion anti-aging layer, a third outer layer which is a barrier heat preservation anti-acid anti-aging layer, a middle layer which is a high heat preservation anti-acid dripping agent storage layer, a third inner layer which is a high heat preservation anti-acid dripping agent storage layer, a second inner layer which is a high heat preservation anti-acid dripping antifogging agent slow release layer and a first inner layer which is an anti-acid dripping antifogging agent release layer. The width of the greenhouse film is 8 m or above, and the thickness of the greenhouse film is 0.08 mm-0. 15 mm; the light transmittance is more than 90%, and the haze is less than 16%; the infrared transmittance is less than 20%; 600 days after film covering, the light intensity ratio inside and outside the greenhouse is still larger than 88%; due to the dustproof function, the annual attenuation rate of the light transmittance is smaller than 1.1%; the lasting period of the dripping fog dispersal function lasts for 24 months and is synchronous with the service life of the film.

The invention relates to a terahertz directional radiation source and an implementation method thereof, the terahertz directional radiation source is formed by arranging four plasma filaments in a pairwise orthogonal mode, and each plasma filament is formed by ionizing air after laser pulses with the same power are focused. The terahertz source is dominated by directional terahertz radiation perpendicular to the plane where the four light filaments are located, the radiation intensity is increased along with the increase of the length of the light filaments, and meanwhile the directional performance of the terahertz radiation is kept all the time. The terahertz radiation generation method solves the problems of large divergence angle, poor directionality, difficulty in splitting in common-beam transmission with laser filaments and the like of common single-filament radiation terahertz waves, and is expected to promote the development of technologies such as terahertz imaging and the like.

The application discloses a method for generating tunable and wavefront-controllable terahertz radiation, comprising: generating an electron beam satisfying coherent transition radiation conditions by an electron beam generating module; interfering a target terahertz wavefront with a coherent transition radiation reference field to obtain an interference pattern, and transferring the interference pattern to a surface of a holographic grating target to form a spatial microstructure matching the target terahertz wavefront; guiding the electron beam to a surface center region of the holographic grating target, and making the electron beam pass through the surface of the holographic grating target to generate a coherent transition radiation field at the surface; and using the spatial microstructure to perform frequency spectrum and wavefront regulation on the coherent transition radiation field, so that the coherent transition radiation field is coherently superimposed, and terahertz radiation with the target terahertz is output; wherein the center frequency, the emission direction and the wavefront structure of the terahertz radiation are regulated by adjusting the geometric parameters of the spatial microstructure, the energy and the pulse width of the electron beam.

The embodiment of the invention provides a display panel and a display device. The display panel comprises a substrate, a conductive layer, an interval insulating layer, a driving circuit layer and a light-emitting layer, the conductive layer is arranged on one side of the substrate, the conductive layer comprises metal wires, and at least part of the metal wires are multiplexed as antenna units; the interval insulating layer is arranged on one side, deviating from the substrate, of the conductive layer; the driving circuit layer is arranged on one side, deviating from the substrate, of the interval insulating layer; the light-emitting layer is arranged on the side, away from the first substrate, of the driving circuit layer. The antenna unit is arranged between the substrate and the light-emitting layer, the arrangement area of the antenna unit and the flexibility of the arrangement position are improved, the radiation intensity of the antenna unit is improved, and the use performance of the display panel is improved.

The utility model provides an ultraviolet lamp module with a replaceable light source, which belongs to the technical field of disinfection and sterilization and comprises a base and an ultraviolet lamp body, the base and the ultraviolet lamp body are provided with detachable structures which are matched with each other, and the base and the ultraviolet lamp body are detachably connected through the detachable structures. The base is provided with conductive thimbles for supplying power to the ultraviolet lamp body and a wiring structure, the wiring structure is used for being internally provided with an external power line which can be electrically connected with the conductive thimbles, and the ultraviolet lamp further comprises a bottom cover for sealing the conductive thimbles. The beneficial effects of the utility model are that: can carry out lossless connection and separation quickly, realize convenient and quick change of light source, has effectively reduced user's use cost.

The invention relates to the technical field of new energy power generation, and aims to provide a wind, light and fish integrated device. The device can be densely arranged in a wind field sea area, the energy density of the wind field is increased, the sea area resource saving and intensive utilization level is improved, and the output power of a single unit can be improved. The wind, light and fish integrated device comprises a floating body, a wind power generation assembly, a photovoltaic power generation assembly and a breeding assembly. The floating body is arranged on the sea surface; the wind power generation assembly comprises a tower, a blade rotating shaft and blades, the tower is arranged on the floating body, the blade rotating shaft is arranged on the tower and perpendicular to the sea surface, and the multiple blades are arranged in the circumferential direction of the blade rotating shaft and connected with the blade rotating shaft; the photovoltaic power generation assembly is arranged on the floating body; the breeding assembly is arranged at the bottom of the floating body. The problems that in the prior art, due to dense arrangement of wind-solar-fish integrated devices, the wind energy utilization rate of a wind field is reduced, and the power generation efficiency is reduced are solved; the utilization rate of sea area resources is reduced when the devices are arranged at large intervals.

The invention relates to an antenna structure and electronic equipment. The antenna structure comprises a first frame radiator used for radiating satellite frequency band signals and honeycomb frequency band signals and a second frame radiator used for radiating honeycomb frequency band signals, the first frame radiator and the second frame radiator are arranged at intervals in the first direction, and the first direction is perpendicular to the second direction. Projections of the first frame radiator and the second frame radiator in a first direction are at least partially overlapped, and the first frame radiator and the second frame radiator radiate at least one signal with the same frequency band; wherein when the first frame radiator works in a satellite frequency band signal, the directional diagram of the first frame radiator and the directional diagram of the second frame radiator face the same direction.

The invention relates to the technical field of power system control, and discloses a quasi-single-stage Buck-LLC DCX converter and a control method thereof. The converter comprises a Buck circuit and an LLC DCX circuit. Four switching tubes of the LLC DCX circuit form a full-bridge inverter circuit and are connected to the Buck circuit; a primary side dotted terminal of each transformer is connected with one output end of the full-bridge inverter circuit through a resonant inductor, a primary side synonym terminal of each transformer is connected with the other output end of the full-bridge inverter circuit through a resonant capacitor, an excitation inductor is connected between the synonym terminal and the synonym terminal, and a secondary side of each transformer is of a double-coil series structure. The control method comprises the steps of collecting current and voltage calculation power and comparing the current and voltage calculation power with preset power, and adjusting the duty ratio of the Buck circuit based on a comparison result. Wherein the quasi-single-stage Buck-LLC DCX converter has the technical advantages of high voltage reduction capability, high efficiency, safety and reliability; when the irradiation intensity is high, the control method can realize the power reduction operation of the load and the controllability of the output side.

A handheld ultraviolet therapeutic apparatus convenient for heat dissipation comprises a head part and a handheld part, the head part comprises a hollow head part shell, a light outlet is formed in the front end face of the head part shell, a light-transmitting plate is arranged at the light outlet, and an ultraviolet lamp panel corresponding to the light-transmitting plate in parallel is arranged in an inner cavity of the head part shell and on the inner side of the light-transmitting plate. A heat dissipation device is arranged on the inner side of the ultraviolet lamp panel, corresponding ventilation holes are formed in the side wall of the head shell, the handheld part is arranged below the head and comprises a grab handle shell with the hollow interior and the open upper end, a power switch and a start-stop switch are arranged on the side wall of the grab handle shell, and a corresponding power interface is formed in the bottom face of the grab handle shell. The LED lamp is better in heat dissipation performance, the intensity of ultraviolet rays capable of being output is higher, and the ultraviolet rays can be output more stably and lastingly.

The invention relates to an aerosol generating device comprising an outer conductor having a cavity, and a bottom end and a top end arranged oppositely, the top end being provided with a communication port communicating with the cavity; the inner conductor is contained in the cavity, one end of the inner conductor is connected to the bottom end in a matched mode, the other end of the inner conductor extends towards the top end and is spaced from the top end, a resonant cavity is defined between the outer conductor and the inner conductor, and an atomization area is formed between the inner conductor and the top end; and the wave scattering structure is arranged at one end, facing the communication port, of the inner conductor, and / or the wave scattering structure is arranged at the edge of one side, facing the inner conductor, of the communication port. According to the aerosol generating device, the electric field intensity of the central area in the aerosol generating substrate tends to be consistent with the electric field intensity of the peripheral area, so that the heating temperature of the central area of the aerosol generating substrate is increased.

The invention provides an antenna module and terminal equipment, and the antenna module comprises a metal frame, the metal frame comprises a first radiation arm, the first end of the first radiation arm is provided with a first feeding point, the first feeding point is connected with a first signal, and the middle part of the first radiation arm is grounded; the FPC comprises a second radiation arm, and the second radiation arm and the first radiation arm are arranged adjacently; wherein the first radiation arm is coupled with the second radiation arm, and the first radiation arm excites radiation current in a quarter-wavelength mode on the second radiation arm. According to the antenna module and the terminal equipment disclosed by the invention, through the cooperation of the first radiation arm in the metal frame and the second radiation arm in the FPC, the radiation intensity and the radiation area of the first signal are greatly increased, so that the radiation efficiency of the antenna module is effectively improved, the bandwidth of the antenna module is expanded, the performance of the antenna module is further improved, and the user experience is improved. And the requirements of high efficiency and broadband are met.

This utility model relates to the field of environmental protection cabinet technology, specifically an angle-adjustable ultraviolet disinfection lamp for environmental protection cabinets. It includes a lighting component, which is inclinedly installed on the inner top wall of the environmental protection cabinet. An angle adjustment component, capable of rotating along a vertical axis, is installed on top of the lighting component. This angle adjustment component drives the inclined lighting component to rotate along the vertical axis, thus changing the irradiation angle. An angle adjustment disc, rotating along a horizontal axis, is installed on the back of the lighting component. In this angle-adjustable ultraviolet disinfection lamp, the angle adjustment component drives the lighting component to rotate along the vertical axis, and the angle adjustment disc adjusts the tilt of the lighting component along the horizontal axis, forming a multi-dimensional angle adjustment system. This allows the ultraviolet disinfection lamp to irradiate items in different positions and arrangements within the environmental protection cabinet from all directions and multiple angles, completely eliminating the disinfection dead zones present in traditional fixed-installation disinfection lamps.

The utility model belongs to the technical field of satellite communication, and provides a variable-aperture satellite antenna device, which is characterized in that an adjustable antenna panel comprises a main lobe surface and an auxiliary lobe surface; the main petal surface is connected with the base through a rotating shaft, and the auxiliary petal surfaces are buckled on the two sides of the main petal surface respectively; the feed source is connected with the base through a connecting rod, and the receiving and transmitting end of the feed source faces the adjustable antenna panel; the front end of the receiving and transmitting end of the feed source is provided with a wave-transparent mirror used for changing the radiation angle. According to the utility model, the adjustable antenna panel is respectively arranged to be the main lobe surface and the auxiliary lobe surface, the main lobe surface or the combination of the main lobe surface and the auxiliary lobe surface is used according to actual conditions, when only the main lobe surface works, the receiving area is small, so that the signal receiving capability is relatively weak, and the wave-transparent mirror is arranged to change the radiation angle, so that the signal receiving capability is improved. Therefore, the radiation intensity when only the main lobe surface works is enhanced, the antenna performance is improved, and the side lobe characteristic requirement of a small-caliber antenna is met.

The utility model discloses an air conditioner, which comprises a wire controller, the wire controller comprises a screen module, the screen module comprises a screen component and a backlight support frame, the screen component is mounted on the backlight support frame, and the backlight support frame is made of non-metal materials; the WiFi module is provided with an onboard antenna in an integrated manner; a drive-by-wire mainboard; the conductive cloth is attached to the side face, away from the screen module, of the backlight supporting frame, the drive-by-wire mainboard and the WiFi module are both located on the side, away from the backlight supporting frame, of the conductive cloth, the conductive cloth is provided with a first avoiding part for avoiding the onboard antenna, and an electric connection part is arranged on the conductive cloth; the FPC board is connected with the drive-by-wire main board, is attached with conductive cloth, extends towards the side surface of the drive-by-wire main board so as to be electrically connected with the electric connecting part, and then extends to be connected with the screen module; and the mounting shell is used for mounting the backlight support frame and the drive-by-wire mainboard. According to the utility model, normal sending and receiving of signals of the WiFi module can be ensured, light leakage of the screen module is avoided, and the screen module is helped to release interference signals.

A variable volume aerostat is comprised of a flat gas encapsulation member that is joined to a pilot aerostat body. The flat gas enclosure member is typically deployed by rotation of a cylindrical pilot airship or a take-up roller suspended below a pilot aerostat. In its stowed configuration, the flat gas envelope member is rolled, uninflated and relatively compact. When the invention rises to the high altitude, the lift gas expands from the pilot aerostat into the deployed flat gas encapsulation member. When fully deployed, the flat gas envelope member is self-supporting and has a horizontal surface area up to 100 times greater than a pilot aerostat. This is a major advantage in potential applications including directed solar radiation management (SRM) and on-board solar power generation.