36 results about "Radiant cooling" patented technology

The invention discloses glass with spectral selectivity, a window and an optical design method, and belongs to the technical field of glass. The glass with spectral selectivity comprises a radiation cooling layer, a photon structure regulation and control layer and a substrate which are sequentially arranged from the outer side to the inner side, the outer side is a heat energy incidence side, and the inner side is a side needing temperature control; the mid-infrared light emissivity of the radiation cooling layer is greater than or equal to 90%; the photonic structure regulation and control layer is designed based on an effective medium theory and optical topology transformation, and meets the following optical properties: the reflectivity to an ultraviolet band is greater than or equal to 80%, the transmittance to a visible light band is greater than or equal to 75%, and the reflectivity to a near-infrared band is greater than or equal to 80%. Independent and accurate management of ultraviolet, visible light and near-infrared bands can be achieved, meanwhile, the radiation cooling layer conducts active heat dissipation, and indoor temperature control balance is maintained.

The invention discloses a droplet nanometer friction / photo-thermoelectric hybrid power generation device and a preparation method thereof. The hybrid power generation device comprises a liquid drop power generator part and a photo-thermal power generator part, wherein the liquid drop power generator part is mainly formed by integrating a capacitor and liquid drop friction power generation, and the photo-thermal power generator part is mainly composed of a temperature difference semiconductor. The preparation method of the device mainly comprises the following steps: carrying out surface treatment on a zinc sheet, so that a layer of candle ash is uniformly attached to the surface of the zinc sheet to obtain the treated zinc sheet; uniformly coating a layer of polydimethylsiloxane (PDMS) on the surface of the candle ash, and heating in an oven for two hours for curing and forming; fixing a copper electrode on the surface of the PDMS, and welding a lead on the copper electrode and the zinc sheet; the temperature difference semiconductor and the zinc sheet are combined together through heat-conducting silicone grease; a radiation cooling plate is attached to the cold end of the temperature difference semiconductor; and wires are respectively welded at the hot end and the cold end of the temperature difference semiconductor. The droplet nanometer friction / photo-thermoelectric hybrid power generation device provided by the invention is simple in structure and convenient to manufacture, can continuously and stably output direct current voltage without depending on single weather, and has a wide application prospect.

Heat is passively removed from circuit breaker stabs in a circuit breaker panel (i.e., without the use of active components such as cooling fans), and transferred to the panel chassis for radiant dissipation. A thermally conductive, electrically insulating (TCEI) material is interposed between the breaker stabs and the chassis. The TCEI material both spreads heat from each breaker stab over a large area, and passively conducts the heat to the panel chassis. In some embodiments, heat spreaders attached to the breaker stabs and embedded in the TCEI material, and / or a main heat sink interposed between the TCEI material and the circuit breaker panel chassis, enhance the passive conductance of heat from the breakers to the chassis for radiant cooling.

The present application relates to the technical field of building thermal test, and provides an experimental device for coupling sky cold and hot radiation effects and a control method thereof.The device comprises a first radiation cooling component, a solar radiation component and an air cooling component, the first radiation cooling component is obliquely arranged on both sides and connected at the top to form a detection space, the air outlet of the air duct of the air cooling component is located at the bottom of the components on both sides, the air return port is opposite to the top, and the solar radiation component is fixed in the air duct away from the detection space on one side.The present application cooperatively arranges the obliquely combined first radiation cooling component, the air cooling component with air supply at the bottom and air return at the top, and the solar radiation component arranged in the air duct in isolation, constructs a detection environment balanced in cold and hot radiation, realizes coupling simulation of solar radiation heat effect and sky radiation cold effect, can more accurately test the performance of energy production type building envelope components, and solves the technical problem that the existing building thermal test device has low test precision and cannot meet the performance evaluation of energy production type building envelope components.

The invention discloses a solid waste-based micro-nano radiation cooling coating and a preparation method thereof.The preparation method comprises the steps that fly ash and coal gangue serve as main solid waste raw materials, and after being subjected to ultra-fining and silane modification, the main solid waste raw materials and a phosphate exciting agent are subjected to chemical action to form an inorganic micro-nano gel matrix; nano-silica (SiO2) and barium sulfate (BaSO4) are cooperatively introduced as a spectrum regulation functional filler, and a multi-scale scattering structure and an intermediate infrared radiation channel are constructed, so that the radiation cooling effect of high solar reflectivity and high infrared emissivity is realized. The prepared coating has excellent spectral selectivity (the solar reflectivity is larger than or equal to 0.88, and the mid-infrared emissivity is larger than or equal to 0.95), high weather resistance (the 500-hour ultraviolet aging retention rate is larger than or equal to 95%) and remarkable passive cooling capacity (the temperature drop can reach 5-8 DEG C). The raw materials are wide in source, the preparation process is simple, a large amount of building solid waste or industrial solid waste can be utilized, the low-cost and high-performance green radiation cooling coating is achieved, and a technical path capable of being popularized on a large scale is provided for building outer wall energy-saving transformation and urban heat island relieving.

This utility model provides a ceiling radiant cooling system, relating to the field of building environmental engineering. It includes multiple radiant cooling units, each with a first parallel flow channel. The first parallel flow channel includes a first liquid inlet, a first liquid outlet, a first liquid inlet channel, a first liquid outlet channel, and multiple first connecting channels. The first liquid inlet channel extends along a first direction and communicates with the first liquid inlet, while the first liquid outlet channel is parallel to and spaced apart from the first liquid inlet channel. The first connecting channels extend along a second direction and are parallel to and spaced apart between the first liquid inlet channel and the first liquid outlet channel; wherein the first connecting channels, the first liquid inlet channel, and the first liquid outlet channel are interconnected, and adjacent first connecting channels form multiple first spacer cavities, the width of which decreases along the first direction. This system effectively ensures the uniformity of the surface temperature of the radiant substrate, avoids localized overcooling, and further prevents condensation.

The application discloses a kind of based on liquid crystal elastomer photothermal response photocatalysis / reflection rotary drive device, belong to flexible photothermal drive intelligent material and photocatalysis / photo reflection function device cross technical field.This device includes vane matrix, pulley, photothermal response drive component and fixer.The vane matrix one side load photocatalytic film, the other side load light reflection film;The pulley is fixed in vane matrix end, linear shrinkage force is converted into rotary moment, realizes vane directional rotation;The photothermal response drive component is graphene doped liquid crystal elastomer, under sunlight, light absorption heating shrinkage, pull pulley and drive vane 90 ° directional overturn, when there is no sunlight, elastomer resets, vane restores initial state, complete photocatalytic film and light reflection film non-contact automatic switching.This application does not need external energy input, only rely on solar drive, response is fast, service life is long, set photocatalytic degradation and radiation cooling double function in one, applicable to open environment photocatalytic purification and radiation cooling self-adapting function switching.

This invention belongs to the field of coating technology and discloses an anti-aging radiation-cooling coating, coating layer, and its application and coated products. The radiation-cooling coating of this invention includes a base coat and a top coat; by weight, the base coat includes: 10-80 parts composite reflective particles, 5-20 parts hexagonal boron nitride nanosheets, 5-50 parts film-forming resin, 20-80 parts solvent, 0.05-10 parts dispersant, and 0.1-10 parts curing agent; by weight, the top coat includes: 10-80 parts composite alumina, 5-20 parts fluorosilane-modified silica, 5-60 parts film-forming resin, 20-80 parts solvent, 0.05-10 parts dispersant, and 0.5-30 parts curing agent. The radiation-cooling coating of this invention combines high solar reflectivity, excellent UV blocking properties, and long-term aging resistance, and can inhibit photocatalytic reactions from the source, achieving a balance between high reflectivity and ultra-long weather resistance.

This invention belongs to the field of textile fiber technology and discloses a radiation-cooling composite yarn and its preparation method. The radiation-cooling composite yarn includes an elastic core, an intermediate covering layer, and an outer layer; the intermediate covering layer covers the outside of the elastic core; the outer layer covers the outside of the intermediate covering layer and includes a radiation-cooling nanofiber membrane. This invention provides a radiation-cooling composite yarn comprising an elastic core, an intermediate covering layer, and an outer layer arranged in three layers; the outermost radiation-cooling nanofiber membrane can efficiently reflect sunlight and radiate heat outward through atmospheric windows, achieving passive cooling of the fabric; simultaneously, when the human body temperature is lower than the outdoor temperature, the fabric has a certain degree of heat retention due to the presence of still air inside the elastic core of the yarn; based on the yarn composition, the movement of the human body can be tracked by utilizing the law of yarn elongation change and its resistance change.

This invention discloses a high-strength passive daytime radiation cooling film and its preparation method, belonging to the field of functional polymer materials and thermal management technology. The film has a bilayer composite structure, including an upper reflective layer and a lower emitting layer. This invention employs an integrated process of melt blending-lamination-biaxial stretching-induced phase separation-extraction pore-fixing. Through a process design of stretching followed by extraction and a hierarchical biaxial stretching strategy, it achieves highly oriented molecular chains to enhance mechanical properties while precisely constructing a multi-level structure with both nanopores and micropores. The resulting film exhibits an average reflectivity >93% in the solar radiation band (0.25–2.5 μm), an average emissivity >95% in the atmospheric window (8–14 μm), a thermal conductivity <0.1 W / (m·K), and a tensile strength >30 MPa. This invention solves the technical bottleneck of achieving high reflectivity, high emissivity, low thermal conductivity, and high strength simultaneously in radiation cooling materials, and can be widely applied in building energy conservation, outdoor equipment thermal management, and electronic device heat dissipation.

The invention discloses a radiant cooling plate assembly applied to a space pump drive fluid loop system. The assembly comprises three or more odd number of radiant cooling plate single plates, and the central radiant cooling plate single plate is fixedly connected with a spacecraft body; each single plate comprises a frame, a rigid fluid pipeline and a flexible radiation film, the rigid fluid pipeline is composed of a liquid inlet main pipeline, a liquid return main pipeline and a plurality of parallel branch pipelines and cooperates with the frame to form a supporting structure, and the flexible radiation film covers the pipelines and is used for radiation heat dissipation. In the launching stage, all the single plates are stacked and folded and locked to a spacecraft body through a pressing and releasing mechanism. In the on-orbit stage, after the pressing and releasing mechanism is unlocked, the single plates are unfolded in different time sequences through the on-orbit unfolding mechanism, and finally the single plates are symmetrically distributed with the center line of the central single plate as the symmetry axis and are kept coplanar. Through the design of the symmetrical configuration, the rigid-flexible composite structure and the parallel flow channels, the envelope adaptability of the launching stage and the heat dissipation efficiency and the structural stability of the on-orbit stage are considered, and the heat management requirement of the high-power spacecraft is met.

The application discloses a direct expansion type radiation cooling terminal, a dew prevention method and a cooling system, and mainly relates to the technical field of building air conditioners and radiation cooling. The application discloses a direct expansion type radiation cooling terminal, a dew prevention method and a cooling system, and mainly relates to the technical field of building air conditioners and radiation cooling. The application discloses a direct expansion type radiation cooling terminal, a dew prevention method and a cooling system, and mainly relates to the technical field of building air conditioners and radiation cooling. The application discloses a direct expansion type radiation cooling terminal, a dew prevention method and a cooling system, and mainly relates to the technical field of building air conditioners and radiation cooling. The application discloses a direct expansion type radiation cooling terminal, a dew prevention method and a cooling system, and mainly relates to the technical field of building air conditioners and radiation cooling.

The present invention relates to a smart heating and cooling device capable of selectively implementing solar heating and radiant cooling, and a manufacturing method therefor. The smart heating and cooling device according to one embodiment of the present invention comprises: a flexible substrate; a bottom layer which is disposed on the flexible substrate and which has a radiant cooling body; and a top layer which is disposed on the flexible substrate, and which has a band partially fixed to the flexible substrate so as to be bent and deformed according to the deformation of the flexible substrate, and a solar absorber connected to the band so as to be movable according to the deformation of the band, wherein the solar absorber moves according to the deformation of the flexible substrate so as to selectively cover the radiant cooling body.

The invention discloses a temperature regulation and control method based on heat storage and release characteristics of a radiant cooling room, and the method comprises the steps: obtaining thermal performance parameters of an enclosure structure, and constructing a radiant cooling room model; simulating multiple groups of system operation conditions, and establishing an indoor thermal environment and system operation parameter data set; establishing a mapping relation between the cold storage capacity, the cold release capacity and the average water supply and return temperature of the enclosure structure and system operation parameters; determining system operation constraint conditions; and optimizing a system regulation strategy based on the indoor target operation temperature, the mapping relation and the constraint condition. According to the method, refined regulation and control of the radiant cooling system are achieved by fitting the correlation between the heat storage and release characteristics of the enclosure structure and the operation parameters of the system, the operation efficiency and economical efficiency are improved while indoor heat comfort is guaranteed, and the method is suitable for temperature regulation and control of various radiant cooling buildings.

This invention relates to a method, device, and medium for evaluating human thermal comfort based on radiant cooling fabrics. The method includes: collecting first and second multi-source data under multiple different test scenarios, with and without radiant cooling fabrics; preprocessing and extracting multi-dimensional features from the first and second multi-source data, respectively, and constructing a first feature matrix and a second feature matrix based on the extracted multi-dimensional features; predicting a first thermal sensation voting value and a second thermal sensation voting value using machine learning models based on the first and second feature matrices, respectively; and quantitatively evaluating human thermal comfort based on the first and second thermal sensation voting values. The device and medium are used to implement the above method. Compared with the prior art, this invention provides a method that can more accurately evaluate the improvement in thermal comfort based on radiant cooling fabrics.

The invention discloses a gypsum board which comprises a gypsum base material layer, and a groove is formed in a second board face. The heat exchange tubes are embedded into the grooves; the soaking layer is fixed on the gypsum base material layer and is tightly attached to the heat exchange tube; and the heat insulation layer is fixed on the surface of one side, back to the gypsum base material layer, of the soaking layer. The invention further discloses a manufacturing method of the gypsum board. The manufacturing method is used for preparing the gypsum board. The invention further discloses a radiant cooling and heating system which comprises a cold and heat source module, a temperature controller and a gypsum board. The cold and heat source module is communicated with the heat exchange tube; the temperature controller is electrically connected with the cold and heat source module, the temperature controller can obtain the temperature value of the environment, and starting and stopping of the cold and heat source module are controlled in an internal temperature limiting and external temperature control mode. The radiant cooling and heating functions are integrated in the gypsum board, temperature adjustment and building decoration are combined, meanwhile, the gypsum board can be prefabricated and formed in a factory, field dry type operation is achieved, installation is convenient and fast, and when a single gypsum board breaks down, independent replacement can be achieved, and maintenance is convenient.

A multi-temperature storage system, including: a grid framework structure (GFS) including: a supporting framework structure (SFS) including storage columns arranged to accommodate storage containers, said SFS including a load bearing assembly of supporting walls at least one of which is a thermally insulating panel that separates the storage columns into first and second groups to define temperature storage zones; a track system for guiding movement of robotic load handling devices on the GFS mounted to the SFS and including a tracks arranged in a grid pattern including grid cells extending across the storage cells such that each modular storage cell supports a sub-group of two or more grid cells of the track system; a radiant cooling system including a cooling unit and a closed network of tubing in fluid communication with the cooling unit, the closed network extending in the first temperature storage zone.

A control method for an anti-condensation radiant cooling system, including: step 1, acquiring temperature matrix data of indoor thermal images, an indoor air temperature ta, and a relative humidity (RH); step 2, performing an occupant counting for indoor active occupants; step 3, determining a condensation risk; and step 4, calculating a predicted mean vote (PMV) value under current indoor conditions based on the temperature matrix data of indoor thermal images, the indoor air temperature ta, and the relative humidity (RH).

The utility model provides a radiation refrigeration coating transfer tool, and belongs to the technical field of radiation refrigeration coating production, the tool comprises a bearing plate, a limiting block is arranged in the middle of the bearing plate, first strip-shaped holes are formed in the bearing plate on the two sides of the limiting block, and second strip-shaped holes are formed in the two ends of the first strip-shaped holes; one end of the second strip-shaped hole is communicated with the corresponding end of the corresponding first strip-shaped hole; the two supporting plates are connected to the two ends of the bearing plate respectively; the movable plate is arranged below the bearing plate in parallel, a guide column is vertically arranged on the movable plate, the guide column vertically penetrates through the bearing plate in a sliding mode, a supporting plate is arranged at the tail end of the guide column, the guide column is sleeved with a spring, and the spring is connected between the supporting plate and the bearing plate; the two pairs of first strip-shaped plates are arranged on the two sides of the limiting block, second strip-shaped plates are further arranged at the two ends of each first strip-shaped plate, and the first strip-shaped plates and the second strip-shaped plates are used for correspondingly penetrating through the first strip-shaped holes and the second strip-shaped holes respectively. The tool can effectively limit the coating barrel when the radiation refrigeration coating is transferred, and has high stability.

The invention discloses a cold storage and supply system coupled with sky radiation and multi-stage evaporation refrigeration, and belongs to the technical field of building energy conservation and renewable energy utilization. The system comprises a sky radiant panel, an air-water heat exchanger, an air circulation system, a water supply and return system and a multi-stage evaporative cooler. A water channel of the air-water heat exchanger is divided into an upper part and a lower part, the upper half part is embedded into the sky radiation plate for radiation heat exchange, and the lower half part is located in the air channel for heat exchange with air. And an indirect evaporative cooling section in the multi-stage evaporative cooler adopts a two-stage core cascade structure. Through the design, the cooling capacity and the energy efficiency ratio (EER) of the system under the dry and hot climate can be remarkably improved by combining the sky radiation cooling cold storage and the two-stage pre-cooling process, and meanwhile, the system can effectively cope with extreme high-temperature weather and keep good cooling capacity under the partial humid and hot climate condition.

1. Name of the design product: water collector (radiant heating and cooling). 2. Use of the design product: used in the field of floor heating, used for connecting the heating main water supply pipe and the return pipe, and for water supply and return, flow regulation and control. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

This invention relates to a cryogenic liquid storage tank, comprising a refrigeration unit (1) and a storage tank (2). The storage tank (2) includes an inner shell (21), a radiant screen (22), and an outer shell (23). The refrigeration unit (1) includes a radiant cooling head (11) and a condensing cooling head (12), wherein the radiant cooling head is connected to the radiant screen (22). Steam in the inner shell (21) carries the cooling energy of the radiant cooling head to the radiant screen (22). After being condensed by the condensing cooling head, the steam returns to the cryogenic liquid in the inner shell (21) via a liquid guide pipe (36). Compared with the prior art, this invention utilizes the liquid guide pipe to drive the steam flow to cool the radiant screen, solving the problem of uneven temperature caused by insufficient heat conduction of the radiant screen, and at the same time preventing tumbling within the cryogenic liquid container.

A device surrounded by ambient air that radiantly heats or radiantly cools subjects. The device includes a planar heat exchanger with at least one radiantly active face and which at least partially transmits visible radiation, a support frame, and one or more membranes that create sealed, planar, gas-filled cavities that isolate radiantly active faces of the planar heat exchanger from contact with the ambient air.

The utility model discloses a phase change material radiation refrigeration ceiling board, which belongs to the technical field of building energy conservation and comprises a steel shell, a containing cavity is arranged in the steel shell, and a coil pipe is fixed in the containing cavity by being clamped in a clamping groove structure of an aluminum heat conduction section bar. The coil pipe is arranged in a snakelike shape; a plurality of parallel aluminum heat conduction profiles are arranged in parallel to the long edge of the steel shell; the aluminum heat conduction profile and the coil pipe are wrapped in the PCM phase change layer together, and the partition layer is arranged on the top of the PCM phase change layer. And an air gap is reserved between the PCM phase change layer and the top plate. The coil pipe is embedded into the aluminum heat conduction profile, the PCM phase change layer is filled in a cavity between the aluminum heat conduction profile and the steel shell, the contact area of the coil pipe and the PCM phase change layer is increased, the aluminum heat conduction profile serves as a temperature equalizing layer, heat is effectively dispersed, and the surface temperature distribution of the ceiling board is more uniform; the PCM phase change layer can fully participate in the heat exchange process, and the energy storage and release capacity of the PCM phase change layer can be exerted to the maximum extent.

Heat is passively removed from circuit breaker stabs (32) in a circuit breaker panel (10) (i.e., without the use of active components such as cooling fans), and transferred to the panel chassis (12) for radiant dissipation. A thermally conductive, electrically insulating (TCEI) material is interposed between the breaker stabs (32) and the chassis (12). The TCEI material both spreads heat from each breaker stab (32) over a large area, and passively conducts the heat to the panel chassis (12). In some embodiments, heat spreaders (34) attached to the breaker stabs (32) and embedded in the TCEI material, and / or a main heat sink (40) interposed between the TCEI material and the circuit breaker panel chassis (12), enhance the passive conductance of heat from the breakers to the chassis (12) for radiant cooling.

The application belongs to the field of measuring instruments, and proposes a radiation refrigeration power measuring device and a measuring method. The device comprises a heat sink, a heat conduction layer, a thermocouple, a base layer and a power instrument. The heat conduction layer is arranged on the hot end side of the thermocouple, the heat sink is arranged at the bottom of the heat conduction layer, the base layer is arranged on the cold end side of the thermocouple, and the upper surface of the base layer is provided with a layer of radiation refrigeration material to be measured. The heat sink, the heat conduction layer, the thermocouple and the base layer jointly form a thermoelectric power generation sheet. The hot end and the cold end of the thermocouple are connected to the power instrument through wires to form a closed loop. Compared with the traditional cooling power tester, the application does not need additional power supply, additional controller and heater to complete the power measurement. The material to be measured is only needed to be placed on the surface of the base layer, and the radiation refrigeration power can be indirectly obtained by collecting the electric power through the power instrument. The application has the characteristics of simple structure and convenient operation.

This invention provides a mobile radiant cooling system, belonging to the technical field of heat exchange equipment. The system's mobile radiant heat exchanger assembly is located indoors, while the high-temperature chilled water unit is located outdoors. The mobile radiant heat exchanger assembly is connected to a terminal water distribution module via flexible pipes. The high-temperature chilled water unit is also connected to the terminal water distribution module. The cooling medium generated by the high-temperature chilled water unit is transported to the mobile radiant heat exchanger assembly through the terminal water distribution module; this cooling medium is driven to flow by a circulation drive device. By installing an angle adjustment device in the mobile radiant heat exchange terminal, the radiant panels can be adjusted for tilting and swaying, and the radiation direction is dynamically adjusted based on personnel location recognition results, thereby concentrating the radiant cooling effect more effectively in the area where personnel are actually active. Compared to fixed radiant terminals, this solution effectively reduces the cooling output in ineffective spaces and significantly improves the thermal comfort of personnel in localized areas.

The invention relates to a zero-energy-consumption self-adaptive thermal management and tactile perception multifunctional integrated electronic skin and a preparation method and application thereof. The electronic skin adopts a self-assembly multifunctional integrated design and comprises a thermochromic gel and a carbon nanotube composite functional layer, the zero-energy-consumption photo-thermal and radiation cooling dual-mode effect is achieved through a dynamic light absorption-reflection switching mechanism, and passive self-energized work is achieved through the migration effect of space ions in the gel under external force stimulation. According to the innovation of the structure, a solar heating mode and a radiation cooling mode can be automatically switched, and bidirectional self-adaptive heat management is achieved; meanwhile, based on the piezoresistive effect, the device has high-sensitivity electroneurographic signal response to external mechanical stimulation, and the tactile perception function of biological skin is simulated. The electronic skin has the characteristics of flexibility, deformation, zero-energy-consumption heat regulation and bionic perception, and is suitable for the fields of wearable equipment, intelligent robots, human-computer interaction interfaces, bionic perception systems and the like.

The invention provides a temperature control composite structure material with photo-thermal absorption and radiation cooling functions and a preparation method of the temperature control composite structure material, and belongs to the technical field of temperature control materials. The temperature-control composite structure material comprises a Fe3O4 photo-thermal unit and a BaSO4 radiation cooling unit, wherein the Fe3O4 photo-thermal unit is formed by combining a high-temperature color-changing layer, a Fe3O4 photo-thermal layer and a substrate layer, and the BaSO4 radiation cooling unit is formed by combining a low-temperature color-changing layer, a BaSO4 radiation cooling layer and the substrate layer. The Fe3O4 photo-thermal unit and the BaSO4 radiation cooling unit are arranged together in an array mode. Or the system comprises a Fe3O4 photo-thermal unit formed by combining a high-temperature color-changing layer and a Fe3O4 photo-thermal layer and a BaSO4 radiation cooling unit formed by combining a low-temperature color-changing layer and a BaSO4 radiation cooling layer, wherein the Fe3O4 photo-thermal unit and the BaSO4 radiation cooling unit are arranged together in an array. The invention provides a preparation method of a temperature control composite structure material with photo-thermal absorption and radiation cooling. The prepared temperature control composite structure material can realize temperature self-adaptive switching, so that environmental energy can be efficiently utilized, and the material has good environmental adaptability.

The utility model relates to the technical field of indoor radiation refrigeration and heating, in particular to a cold and hot radiation pinch plate which comprises an outer decorative plate and an inner heat preservation positioning plate, the inner heat preservation positioning plate can be placed in the outer decorative plate and is detachably connected with the outer decorative plate, a liquid guide pipe is arranged in the inner heat preservation positioning plate, and the inner heat preservation positioning plate is detachably connected with the outer decorative plate. Heat exchange liquid is introduced into the liquid guide pipe, the liquid guide pipe can heat and / or cool the outer decorative plate, one end of the liquid guide pipe is communicated with the liquid conveying pipe, the other end of the liquid guide pipe is communicated with the liquid return pipe, and the liquid return pipe and the liquid conveying pipe are located outside the inner heat preservation positioning plate. The detachable connection mode is adopted, installation of the cold and hot radiation pinch plate and follow-up maintenance of parts in the plate are facilitated, meanwhile, only the liquid guide pipe used for heat exchange is arranged in the plate, main body pipelines such as the liquid return pipe and the liquid conveying pipe are arranged outside, only the damaged cold and hot radiation pinch plate needs to be replaced when abnormity occurs, and the overall maintenance cost is reduced.