71 results about "Organic body" patented technology

A system, for transcutaneous photodynamic therapy in an organ or organ segment of an organic body, includes a plurality of light applicators (9), a supply unit (23) and a placement template (39) placeable relative to the organic body for defined orientation of the light applicators. The light applicators include a needle-shaped insertion portion (15) for transcutaneous piercing along a piercing axis (E), a light-emitting applicator tip (19) at the distal end (13) of the insertion portion, and a fixing point (43) at a proximal distance d from the applicator tip. The placement template defines a plurality of fixing point receptacles (51) for fixing the light applicators with a defined fixing point and includes a first and second template parts (71, 75) defining first and second subsets (73, 77) of fixing point receptacles. The first template part is guidingly displaceable relative to the second template part along the piercing axis.

The utility model discloses a plastic woven bag production waste recovery device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a supporting plate, the top of the supporting plate is provided with a machine body, the top of the machine body is provided with a dustproof mechanism, the machine body is internally provided with a crushing mechanism, and a screening mechanism is arranged below the machine body. The utility model relates to the technical field of waste recovery. According to the waste recovery device for plastic woven bag production, through the arrangement of the screening assembly, screening operation is conducted on crushed plastic woven bag materials, the crushed materials which are completely crushed are filtered through a screening plate and conveyed into the recovery tank through a discharging pipe, secondary crushing operation is facilitated, and the waste recovery quality is improved; and under the driving of the driving motor, the screening plate slides in a reciprocating mode, so that the screening efficiency of the screening plate on the crushed materials is improved, and the condition that the crushed materials are accumulated in screening holes to cause blockage is avoided.

A light applicator (5) for examining and / or treating an organic body includes a minimal-invasive, rigid, semi-flexible or flexible insertion section (11) which extends along a longitudinal direction (L) and at its distal end includes an LED (19). The light applicator (5) includes a first electrical lead (61a) for the supply of electricity to the LED (19). The lead extends in the insertion section (11) in the longitudinal direction (L) and there has a cross-sectional area of at least 70% of the cross-sectional area of the light applicator (5). The light applicator (5) in the insertion section (11) is thermally insulated in the radial direction in a manner such that the radial thermal insulation reduces proximally.

A surgical dressing is disclosed. The surgical dressing may have a dressing element, a connection element, and a tube element. The dressing element may be applied to a wound site of an organic body. The dressing element and tube element may be coupled at opposing ends of the connection element. The tube element may be coupled to a tube extending from the wound site. A secondary layer may be coupled to the connection element to retain the connection element in a stretched condition. The secondary layer may be removed from the connection element to enable the connection element to stretch or retract in response to forces applied to or removed from the tube.

The composite powder metallurgy net near forming process device comprises a base, the upper end of the base is fixedly connected with a machine body, the upper end of the machine body is fixedly connected with a material tank, the inner bottom of the machine body is fixedly connected with a mold main body, and the upper end of the mold main body is provided with a mold groove; a transverse plate is jointly and fixedly connected between the side wall of the mold body and the inner wall of the machine body, and the transverse plate and the upper end of the mold body are horizontal. The device is reasonable in structure, the electric push rod drives the discharging cover to slide along the transverse plate, powder diffusion is limited in cooperation with the baffles on the two sides, uniform-speed and uniform spreading of powder in a die cavity is achieved, local accumulation is avoided, the consistency of the density of workpieces is ensured, in the material pushing process, impact blocks make repeated contact with protruding blocks of the side baffles, periodic lateral impact is generated under the action of springs, and the powder is evenly sprayed out. And in cooperation with mold cavity constraint of the mold groove, the binding force between powder particles is improved, gaps between materials are reduced, and workpiece defects are reduced.

The utility model belongs to the technical field of liquid suction devices, and discloses a liquid suction device for tooth extraction, which comprises a base, the top of the base is connected with a machine body, one side of the machine body is provided with a control panel, the top of the base is provided with a liquid storage tank, and an exhaust pipe is communicated between one side of the top of the liquid storage tank and the machine body. By arranging the limiting assembly structure, the movable plate is pushed, the movable plate drives the rod piece to move towards the interior of the cavity groove, the rod piece enables the spring to be compressed in the cavity groove through the pressing plate, then the suction gun is placed between the fixed plate and the movable plate, the movable plate is loosened to drive the suction gun to press towards one side of the fixed plate, and therefore the suction gun can be sucked. And the movable plate clamps the suction gun in the groove, so that the suction gun is stably placed on the machine body, the suction gun is prevented from falling to the ground and being damaged, normal use of the liquid suction device is facilitated, and the practicability of the device is improved.

An electronic device is provided. The electronic device includes a substrate having an edge and a peripheral area adjacent to the edge, a first inorganic insulating layer disposed on the first substrate, an organic insulating layer disposed on the first inorganic insulating layer and including a recess in the peripheral area, and a second inorganic insulating layer disposed on the organic insulating layer and in the recess. In a top view, the recess extends in a first direction parallel to the edge of the substrate. In a cross-sectional view, the recess has a bottom portion adjacent to the substrate, and a width of the bottom portion of the recess is greater than a thickness of the organic insulating layer.

The utility model provides a sand mill and relates to the technical field of grinding equipment. The machine body assembly is borne on the supporting frame, the feeding assembly is installed on the left side of the machine body assembly, the filtering assembly is rotationally installed on the right side of the machine body assembly, and a filtering box is directly added to the feeding assembly used for feeding at the machine body assembly, so that primary filtering of raw materials is facilitated; the grinding assembly is arranged to be conical, the outer guide groove is formed in the outer wall of the grinding assembly, raw materials can be better guided into the grinding assembly to be ground, the filtering assembly has the auxiliary function of filtering while discharging, the filtering assembly and the discharging assembly can rotate from the outer end, and therefore the grinding efficiency is improved. Therefore, outflow of the ground raw materials is controlled, and the problem that when existing raw material grinding is carried out, grinding equipment for feeding the raw materials is arranged, the ground raw materials are extruded to an outlet too early, and consequently the equipment is not stable enough in raw material grinding is solved.

The invention relates to an organic heterojunction-based light-temperature dual-response sensor element, which is prepared from a substrate, a source electrode, a drain electrode, a grid electrode, an organic active layer, a dielectric layer and a device encapsulation layer, and is characterized in that the organic active layer is composed of a Rho group and an imide group in a Rho diimide system organic small molecular structure; the compound has a long conjugated molecular structure, and charge transfer and energy level matching can be effectively promoted. The organic heterojunction structure has the advantages that the organic heterojunction structure has an interpenetrating network form, the donor-acceptor interface area is remarkably increased, so that the charge separation efficiency is enhanced, the carrier mobility is improved, the transconductance, the on-off ratio and the stability of a sensor element are improved, and the organic heterojunction structure has good solution processability and can be applied to the field of sensor devices. The method is suitable for large-area and low-cost flexible electronic manufacturing. The invention provides a new material system for light and temperature dual-response sensor elements, and has wide application prospects in the fields of wearable sensing, Internet of Things, environment monitoring and the like.

The utility model relates to the technical field of steel plate dephosphorization, in particular to a steel plate production dephosphorization device which comprises a conveying belt and materials, a machine body is arranged on one side of the conveying belt, a spraying structure is arranged on the machine body, the spraying structure comprises a plurality of drainage pipes symmetrically installed on the machine body, and a plurality of water spraying openings are installed on the drainage pipes. A transparent water tank is mounted at the top of the machine body, a water inlet is formed in the transparent water tank, a water pump is mounted on one side of the transparent water tank, and a conveying water pipe connected with the multiple drainage pipes is mounted on one side of the water pump. Due to the arrangement of the spraying structure, when materials are conveyed to the position below the drainage pipe, the water pump starts to pump water, the water is conveyed to the drainage pipe through the conveying water pipe and sprayed to the materials through the water spraying opening, the motor is turned on to rotate the drainage pipe, the spraying angle of the water spraying opening is changed, the spraying range is enlarged, and the use condition of water can be observed through the water collecting tank; and water can be added in time after use.

The present invention relates to a device (100; 200) for disinfecting any bacteria, viruses, dust or any other organic or inorganic bodies present in the air of public or private spaces using a disinfection chamber (110, 110"; 210) provided with a filter of laser beams (115, 115", 215). A dense grid of laser beams (115, 115", 215) is formed that saturates the disinfection chamber (110, 110"; 210). The air forced to pass through the entire disinfection chamber (110, 110"; 210) impacts every small particle, bacteria, virus, even nanometric, with laser beams (115, 115", 215), completely pulverizing, destroying and / or neutralizing itself by means of irradiation from a time ranging from 0.5 to 2 seconds of great beam energy.

The utility model discloses a bottled inner packaging machine, which belongs to the technical field of traditional Chinese medicine production and comprises a machine body, a conveying belt is fixedly mounted at the upper end of the machine body, a blanking machine with a lifting structure is fixedly mounted on one side of the machine body, two blanking ports are fixedly mounted at the output end of the blanking machine and are positioned above the conveying belt, and the conveying belt is fixedly mounted at the lower end of the machine body. Guide assemblies are fixedly installed on the two sides of the machine body, blocking assemblies used for limiting and fixing bottle bodies are fixedly installed at one ends of the guide assemblies, and separation assemblies used for separating the conveying belt are fixedly installed at the two ends of the upper surface of the machine body. According to the device, the machining efficiency is improved, the heights of the separation and guide positions are conveniently and flexibly adjusted, bottle bodies with different heights can be conveniently used, during discharging, the bottle bodies are conveniently adsorbed and fixed, the stability during filling is improved, toppling is avoided, and operation is convenient.

This invention discloses a method for preparing in-situ grafted and dispersed nano-silica, relating to the field of nanomaterial preparation technology, comprising the following steps: Step ①, mixing sodium-free silica sol solution, water, and polyol in a high-pressure reactor; Step ②, gradually raising the reactor temperature from room temperature to 150-180℃, initially introducing acid anhydride gas or liquid at a certain flow rate, and maintaining temperature, constant pressure, and rotation speed until the pH value reaches 4.0-5.0±0.5, obtaining a primary mixture of hydrated nano-silica; Step ③, pumping an organosilicon coupling agent into the high-pressure reactor using a high-pressure metering pump, maintaining temperature and pressure, stirring the reaction for 30-90 minutes, then cooling, depressurizing, purging with nitrogen, and separating the reaction liquid to obtain grafted and dispersed nano-silica. This application aims to achieve readily available and inexpensive raw materials, reduce the difficulty of preparing nano-silica; solve the problems of dispersibility and compatibility with organic matter in nano-silica; simplify the procedure and improve preparation efficiency.

The utility model relates to the technical field of diaphragm pumps, in particular to a pneumatic diaphragm pump which comprises a base and an adjusting device, a machine body is arranged on the surface of the base, a water outlet is formed in one side of the machine body, and the adjusting device is arranged on the surface of the machine body and comprises a threaded rod which is rotationally connected with the machine body. The side, away from the machine body, of the threaded rod penetrates through the machine body and is fixedly connected with a rotating block, a first hole is formed in the surface of the machine body, the inner wall of the first hole in the surface of the machine body is slidably connected with a flow limiting plate, and the side, close to the flow limiting plate, of the machine body is fixedly connected with a waterproof sleeve which is arranged on the flow limiting plate in a sleeving mode. The flow of the machine body can be conveniently controlled, the stability of the equipment is improved, the operation difficulty of the equipment is reduced, and a user can conveniently adjust according to environmental requirements.

The utility model relates to the technical field of vegetable washing machines, and discloses a vegetable washing machine which comprises a machine body, a water inlet hopper is fixedly installed on the right side of the machine body, and a controller is fixedly installed on the right side of the machine body; the cleaning assembly is arranged in the machine body; wherein the cleaning assembly comprises an aeration part and a washing part. By arranging the cleaning assembly, if a receiver at which position does not receive rays emitted by an emitter, an electric valve at a corresponding position is opened, a high-pressure spray head sprays water in a water cavity through a bent pipe to clean the surfaces of vegetables, an aerator is started, and under the action of a connecting pipe and an aeration disc, gas enters the water, bubbles are generated in the water, so that the surfaces of the vegetables are cleaned. According to the vegetable cleaning device, the vegetables are cleaned, the vegetables are sequentially washed and aerated, and the effects that pesticide residues, bacteria and other pollutants on the surfaces of the vegetables can be effectively removed, the food safety level is improved, and the vegetables can be rapidly cleaned are achieved.

The utility model discloses an electric connection structure of a food processor, which comprises a machine body and a cover body, a handle is arranged on the outer side surface of the machine body, an electric connection plug protruding upwards is arranged on the upper side surface of the handle, an extension part matched with the handle is arranged on the outer side surface of the cover body, and an electric connection socket for the electric connection plug to insert is arranged on the lower side surface of the extension part. The electric connection plug is an arc-shaped electric connection plug, the electric connection socket is an arc-shaped electric connection socket matched with the arc-shaped electric connection plug, and the electric connection plug on the handle is matched with the electric connection socket of the extension part, so that power-on connection between the machine body and the cover body is realized, and the overall structure of the machine body is simplified; and the electric connection plug and the electric connection socket are in plugging connection, so that power transmission and signal transmission functions between the two are ensured.

The invention belongs to the field of phase change energy storage temperature control materials of an organic system, and provides a preparation method of a lignin-based organic phase change material, the lignin-based organic phase change material comprises the following raw materials by weight: 86%-97% of erythritol, 2%-5% of hexagonal boron nitride, 0.5%-2% of a lignin compatibilizer and 0.5%-10% of expanded graphite, and the sum of the mass percentages of the raw materials is 100%. By adding the lignin compatibilizer, the compatibility of the phase change material and other components is improved, and the stability of the whole material is improved by regulating and controlling the formula. The energy storage and temperature control phase change material provided by the invention has the advantages of proper phase change temperature, high phase change enthalpy value, low supercooling degree, good cycle stability and no obvious phase separation phenomenon, and is a proper thermal physical energy storage technology.

The utility model relates to wafer cleaning technical field, especially a nitrogen curtain cleaning machine, including organic body, be equipped with a receiving groove in the bottom of machine body, be equipped with pickling tank, cleaning tank from left to right in the receiving groove, be fixed with a cooling coil in the inside of pickling tank, and be equipped with a plurality of nitrogen curtain in the bottom of pickling tank, the nitrogen curtain evenly distributes in the middle of cooling coil, be equipped with first baffle in the inside of cleaning tank, be equipped with second baffle in the right side of first baffle, first baffle, second baffle divide cleaning tank into first cleaning tank, communication tank and second cleaning tank. The utility model relates to a nitrogen curtain cleaning machine, has better cleaning effect.

The utility model relates to the technical field of algae plants, in particular to an algae plant processing and segmenting device which comprises a box body, a machine body is arranged on the box body, an erecting body is arranged on the box body, an upper pressing plate used for pressing algae is arranged on the erecting body, and a plurality of sawteeth used for cutting off the algae are arranged on the upper pressing plate and the box body. First connecting rods are symmetrically arranged on the box body, second connecting rods used for auxiliary supporting are arranged on the first connecting rods, and adjusters are arranged on the first connecting rods. Through the arrangement of the first connecting rods and the clamping rods, the procedure of manual carrying of algae can be omitted, the conveying efficiency during algae cutting is improved, the rotation angle of the first connecting rods can be increased through the first shaft bodies while the first connecting rods transfer the algae, conveying of the algae with different weights is improved, and compared with the prior art, the conveying efficiency is improved. The algae cutting efficiency can be effectively improved, and the quality of the cut algae is improved.

A polyvinylidene fluoride (PVDF) piezoelectric composite material and its preparation and application are disclosed. The method involves preparing a solution of PVDF-TrFE copolymer (PVDF-TrFE) as the matrix material, adding a solution of organic small-molecule phytic acid (PA) as a functional dopant, and mixing thoroughly to obtain a PVDF-TrFE / PA composite solution. The composite solution is then used to form a PVDF-TrFE / PA composite film through solution casting, spin coating, or electrospinning. After polarization treatment, an improved PVDF piezoelectric composite film is prepared. This invention maintains the material's flexibility and processability while also considering high-voltage piezoelectric performance and long-term stability, overcoming the limitations of both organic-inorganic composite systems and all-organic systems.

The utility model belongs to the technical field of vegetable cutters, and particularly relates to a pickle vegetable cutter which comprises a platform and a guide device, the upper surface of the platform is fixedly connected with a machine body, and the side wall of the machine body is fixedly connected with a blade; a guide device is arranged on the side wall of the platform and comprises a supporting block, a fixing block is fixedly connected to the side wall of the platform, a guide plate is rotatably connected to the inner surfaces of the supporting block and the fixing block, a guide plate is fixedly connected to the surface of the supporting block and located on one side of the blade, and a cleaning device is arranged on the surface of the guide plate and comprises two placement plates; the bottom ends of the two placing plates are fixedly connected with the upper surface of the guide plate, moving rods are slidably connected to the inner walls of the two placing plates, and scrapers are fixedly connected to the bottom ends of the moving rods; by arranging the whole device, pickles can be guided, the situation that the pickles are driven by the blade to splash to other places is reduced, and meanwhile the angle of the guide plate can be adjusted according to the position of the container.

The invention relates to quantitative detection of a semiconductor wet etching solution, in particular to a near-infrared detection method for the content of acid and ammonium acid in an organic system, which comprises the following steps: carrying out uniform formula design on a modeling sample, and calculating the content of acid and ammonium acid in the modeling sample by applying a basic principle of a stoichiometric method through a partial least square method. The method for quantifying the mass fractions of the acid and the acid ammonium in the organic system is formed by associating near infrared spectrum data of a sample with the mass fractions of the acid and the acid ammonium through spectrum pretreatment, analysis waveband selection, determination of optimal modeling parameters such as the optimal number of main factors and a root-mean-square error (RESECV) of cross validation and the like and establishing a model. Compared with a traditional titration method and a gas-phase liquid-phase detection method, the method has the advantages that the time consumption is long (more than 15 minutes) and the precision is poor (more than 0.5%), the interference of similar structures of acid and acid ammonium can be effectively eliminated, and the detection precision is within 0.05%; moreover, the quantity of modeling samples required by the method is only 25-35, so that the modeling workload (the quantity of general near-infrared modeling samples is 100-300) is reduced, and the requirements on accuracy and high efficiency of product content inspection can be met.

The invention discloses a dual-energy-level trap high-temperature-resistant organic insulating medium as well as a preparation method and application thereof, and belongs to the technical field of dielectric energy storage materials and preparation thereof. The problem that an existing organic insulating medium cannot give consideration to insulation and energy storage performance at high temperature is solved. A fluorine group and a nitro group are introduced into a main chain of polyetherimide (PEI), an all-organic energy storage medium with a double-trap characteristic is constructed, a shallow trap (energy level of 0.5-1.2 eV) is formed through the fluorine group, a deep trap (energy level of 1.8-2.5 eV) is constructed through the nitro group, a double-energy-level trap cooperative system is formed, energy level difference forms a stepped energy dissipation path, and the energy storage efficiency is improved. And the breakdown field strength and the energy storage density are effectively improved. And the energy storage density (the efficiency is 70%) of 6.2 J / cm < 3 > is obtained at 150 DEG C, and the breakdown field strength reaches 580 MV / m. A full-organic system is adopted, and large-scale production can be achieved through a solution tape casting process.

The invention provides an all-organic stretchable broadband light self-adaption-synapse transistor based on a donor-receptor-elastomer ternary hybrid net-shaped self-assembly photosensitive active layer and a preparation method of the all-organic stretchable broadband light self-adaption-synapse transistor. The all-organic stretchable phototransistor is constructed by an all-organic stretchable phototransistor with a bottom gate top contact structure, and a hybrid photosensitive active layer is optimized through the blending proportion, the pre-aggregation form and the self-assembly morphology of related polymers. The full-organic stretchable broadband light self-adaption-synaptic transistor prepared by the invention has excellent field effect characteristics, broadband photoelectric response performance and high tensile strain capacity; and meanwhile, the device has a synaptic behavior simulation function and an adjustable bionic visual self-adaptive function. According to the invention, the blank of an all-organic system in the construction of a stretchable adaptive transistor device is filled, the application prospect of a nerve-like device is widened, and a feasible strategy is provided for the fields of wearable photoelectric devices, eye prostheses, cranial nerve-like calculation, bionic visual networks and the like in the future.

The utility model discloses a discharging device of a vacuum drum filter, which belongs to the technical field of discharging devices of filters and comprises a frame and a scraping mechanism, supporting blocks are fixedly connected to two sides of the bottom of the frame, a machine body is fixedly connected to the top of the frame, a transmission motor is fixedly mounted on the front end face of the machine body, and the scraping mechanism is fixedly mounted on the front end face of the machine body. The machine body is internally provided with filter cloth, one side of the filter cloth is provided with a scraping mechanism, the machine frame is internally provided with a collecting cavity, the top of the collecting cavity is provided with a material guide port, and the material guide port is communicated with the interior of the machine body. Through the structural design of the filter cloth and the scraping mechanism, the distance between the filter cloth and the scraper can be adjusted, so that the scraping effect is improved, the practicability of the device is improved, and the problems that the distance between the filter cloth and the scraper is relatively fixed and is difficult to reasonably adjust according to requirements, the scraping effect is possibly reduced, and the scraping efficiency is reduced are solved. And the use effect is poor.

The utility model relates to vertical type rubbing crusher technical field especially relates to an organic fertilizer vertical type rubbing crusher of preventing blockage, including the chassis, the top fixed installation organism of chassis, the inner wall of body is opened and has the rubbing chamber, the inner wall rotationally connects with the main shaft of rubbing chamber, the outer wall fixed connection has the screw vane push board of main shaft, the inner wall rotationally connects with the first roller body of rubbing chamber, the outer wall has the second roller body of first roller body, through the drive of drive motor, screw blade realizes rotation, and then orderly batch pushes material to first roller body and second roller body and carries out high -efficient rubbing, and through transmission belt drive two roller bodies and carry out rotation rubbing, ensure the continuous, stable transportation of fertilizer, effectively avoid the stagnation or accumulation of material on the conveying path, reduce the risk of blockage, not only improve the production efficiency, but also reduce energy consumption and production cost through optimizing material flow, realize the efficient and energy -concurrence of production process.

The utility model is applicable to the technical field of metallurgical equipment, and provides a stemming disassembling device which comprises a stemming disassembling device body comprising a machine body, a partition plate and a conveying belt, a sliding opening is formed in one side of the machine body, and a box body used for collecting stemming chippings is installed on the sliding opening in a sliding mode; the hopper body is fixedly mounted on the partition plate; the water tank is fixedly installed on the inner wall of the bottom of the machine body and used for storing cleaning fluid, and a water receiving opening is formed in the top of the water tank; and the scraping mechanism is assembled on the hopper body and is used for cleaning the conveying belt. According to the stemming disassembling device provided by the scheme, the problems that when an existing stemming disassembling device is used for cleaning work, the physical strength of workers is consumed, and the cleaning difficulty is large are solved.

The present invention relates to the field of engineering surveying technology and discloses a line-laying device for land engineering surveying and mapping, comprising a tripod, the top of the tripod being fixedly connected to an adjustment portion, the upper surface of the adjustment portion being fixedly connected to an organic body; the adjustment portion comprising a base, the lower surface of the base being fixedly connected to the top of the tripod, the upper surface of the base being rotatably connected to a rotating ring frame, the top of the rotating ring frame being fixedly connected to a first block, and the rotating ring frame being rotatably connected to a first shaft via the first block. This line-laying device for land engineering surveying and mapping can effectively solve the problems in the prior art, such as the difficulty for workers to complete the leveling adjustment of a total station at the same position, the low adjustment efficiency, and the difficulty for workers to move freely around the tripod due to the influence of construction, which restricts the workers' operating movements and reduces their operating efficiency.

The invention belongs to the technical field of organic compounds, and particularly relates to a pure organic room-temperature phosphorescent material with an ultra-long charge transfer triplet property, a preparation method of the pure organic room-temperature phosphorescent material and application of the pure organic room-temperature phosphorescent material as an organic photoinitiator. The pure organic room-temperature phosphorescent material with the ultra-long charge transfer triplet property has a structural general formula as shown in a formula I or II. The photoinitiator can be used as a single-component photoinitiator, a system added with the photoinitiator can be effectively photocured under an LED light source, a pure organic photocuring coating which emits light under ultraviolet irradiation and has the long afterglow property after illumination is formed, and the formed material, coating and pattern can emit fluorescence under the dark field ultraviolet irradiation condition, have long afterglow after an ultraviolet lamp is turned off, and have the long afterglow property after the ultraviolet lamp is turned off. And the fine pattern of the coating can be clearly, completely and quickly evaluated, so that optical monitoring can be synchronously realized when the method is applied to the curing fields of photoresist, three-dimensional printing and the like. The compound can also be directly added into a coating to form a long afterglow coating of a pure organic system. General formula I; formula II.

The present application relates to the technical field of X-ray detectors, and particularly relates to an organic heterojunction active layer, a preparation method and a precursor solution thereof, and a direct organic X-ray detector. By adding a non-conjugated insulating polymer in the active layer precursor solution, the non-conjugated insulating polymer is used to adjust the interface state, the distribution thermodynamics and film forming kinetics of high-Z nanoparticles are synergistically regulated, the deposition and local agglomeration of high-Z nanoparticles in the thickness direction of the active layer are inhibited, the high-Z nanoparticles form a more uniform spatial distribution in the active layer, and the problems of high dark current, damaged transport network and fluctuating device performance caused by the introduction of high-Z nanoparticles are solved.