93results about How to "Reduce radiation" patented technology

The invention discloses light gray low-emissivity coated glass for near-zero energy consumption buildings and a preparation method thereof, the light gray low-emissivity coated glass comprises a glass substrate and a composite metal film layer laminated on the glass substrate, and is coated glass with three metal silver film layers. According to the invention, one of the multiple composite metal film layers on the common colorless transparent float glass substrate reflects and interferes with light, so that the coated glass is light gray in the sun and has good decoration and energy-saving effects; the hollow glass is high in visible light transmittance, low in outdoor visible light reflectivity, low in solar energy transmittance and high in solar energy reflectivity, and can be made into hollow glass to achieve better energy-saving effects such as light control, heat insulation and the like, so that a building is closer to the nature and is fused with the nature.

The invention discloses a command vehicle rack-mounted power supply management system, and the system comprises a power supply filtering module which carries out the filtering of power supply input, and removes the high-frequency electromagnetic interference possibly carried by a power line; the electromagnetic shielding module is used for shielding electromagnetic radiation inside and outside the system; the grounding management module is used for providing a unified grounding point of the system and ensuring that all electrical connections have the same potential so as to reduce electromagnetic interference generated by the difference of the grounding point; the signal transmission optimization module is used for ensuring that signal transmission channels inside and outside the system are not influenced by electromagnetic interference; the electromagnetic interference suppression module is used for suppressing transient high-frequency interference generated in the system; and the environment monitoring and feedback module is used for monitoring electromagnetic environments inside and outside the rack in real time and automatically adjusting an EMC protection strategy of the system according to monitoring data so as to adapt to different working conditions. The command vehicle can adapt to a complex electromagnetic environment and ensure stable operation of equipment in the command vehicle.

The invention provides a preparation method of an ETFE fluorofilm plate with excellent comprehensive performance, and belongs to the technical field of manufacturing of high-performance building materials. According to the preparation method, a metal plate plated with an aluminum-zinc alloy film layer serves as a substrate, and the upper surface and the lower surface of the substrate are each provided with a composite plating layer. The composite coating comprises a silicon dioxide-carbon tube coating, an indium tin oxide coating, a wear-resistant layer, an ETFE fluorine film layer and a wear-resistant hydrophobic layer. The ETFE fluorine diaphragm plate prepared by the method not only has excellent corrosion resistance and excellent heat insulation performance, but also has good scratch-resistant protection and weather resistance, and particularly, the coated wear-resistant hydrophobic layer effectively reduces the adhesion of moisture on the surface of the diaphragm plate, improves the self-cleaning performance of the diaphragm plate, reduces the maintenance cost, and is suitable for large-scale popularization and application. The introduction of the layer not only protects the surface of the film, but also enhances the stability of the film in the long-term use process. The ETFE fluorine film plate prepared by the method is suitable for various high-performance building requirements, and shows a wide application prospect.

The invention relates to the field of propellers or rotors for airplanes, in particular to a bionic curved zigzag ducted rotor based on owl wings. A bionic curved zigzag ducted rotor wing based on an owl wing comprises a ducted body (1), a support (2) and a rotating shaft (3), the outer end of the support (2) is fixed on the inner side wall of the ducted body (1), the rotating shaft (3) is rotatably arranged at the center of the support (2), the bionic curved zigzag ducted rotor wing is characterized by further comprising at least two rotor wings (4), the rear ends of the rotor wings (4) are fixed on the rotating shaft (3), and the rotor wings (4) are evenly distributed around the rotating shaft (3). Namely, the connecting lines of the outer end points of all the rotor wings (4) form a line segment or a regular polygon with the rotating shaft (3) as the center, gaps are reserved between the front ends of the rotor wings (4) and the inner side wall of the duct body (1), and sawteeth (41) are arranged on the rear edges of the rotor wings (4). The pneumatic performance is excellent, and noise is reduced.

The invention relates to a nano-pesticide with photolysis resistance based on enzymatic hydrolysis lignin and a preparation method, and belongs to the technical field of nano-pesticides. The nano-pesticide is a black sphere, the effective particle size is 160-200 nm, the drug loading rate is 35.72%, the nano-pesticide has good photolysis resistance, and the photolysis half-life period is prolonged by 1.56 times compared with that of prothioconazole original drug; the composition is used for rice blast diseases. According to the nano pesticide, enzymatic hydrolysis lignin is used as a carrier, a prothioconazole bactericide is used as a loading drug, and tannic acid and copper ion coatings are used for coating; functional groups such as phenol and ketone in the enzymatic hydrolysis lignin can effectively absorb a large range of ultraviolet rays and reduce ultraviolet radiation, so that the enzymatic hydrolysis lignin has excellent oxidation resistance and ultraviolet resistance; meanwhile, the enzymatic hydrolysis lignin has renewability, environmental protection property and degradability, and the coating of tannic acid and copper ions can further improve the antifungal ability of the nano pesticide, improve the thermal stability of the nano pesticide, increase the release rate of the pesticide and have the ability to reduce the loss of the pesticide.

The invention discloses special multifunctional glass with magnetic shielding and shock resistance. The special multifunctional glass sequentially comprises a polymethyl methacrylate layer, a short-wave liquid crystal silver ion liquid crystal film layer, a silicon dioxide high-barium optical glass layer, a silicon dioxide tungsten silver ion liquefaction layer, a nickel wire mesh layer and a polymethyl methacrylate layer from a critical plane, the polymethyl methacrylate layer close to the critical surface is doped with 1% of samarium ions; according to the preparation method, compression and hot melting glue clamping are adopted. 1% of samarium ions are doped in polymethyl methacrylate close to a critical plane, radiation corrosion and ionization discoloration can be controlled, the short-wave liquid crystal silver ion liquid crystal film belongs to cathode and anode diode plasma electric control, and the transparency impression degree is reduced as much as possible in the operation process, so that radiation is further reduced; the silicon dioxide high-barium optical glass is used for conventional light transmission, the silicon dioxide tungsten silver ion liquefaction layer is used for blocking 75% of short-wave gamma rays, and the nickel wire mesh can be used for radiation protection measures in emergency situations and maintenance states.

The present invention discloses a dual-band detector common dewar structure, the dewar includes a window, an upper cavity, a cold shield, a spectroscope, a spectroscope frame, fixing screws, a band one module, a band two module, a flexible cable, a connector, a cold platform, a lower cavity, a column shell and a cold finger. Two detector modules are respectively installed on the cold platform, the spectroscope is glued to the spectroscope frame, the frame after gluing is fixed on the cold platform by screws, and the cold shield is connected to the cold platform; the window is airtightly connected to the upper cavity, the lower cavity is airtightly connected to the column shell and the cold finger, the upper and lower cavities form a vacuum dewar, and the electrical signal is led out through a flexible cable connected to the detector. In this structure, the spectroscope is installed in the dewar, which greatly reduces its own radiation and improves the imaging effect of the detector. The structure is compact and low in cost, and is suitable for the compact integration of low-background dual-band large-scale focal plane detectors.

A highly efficient 5G mobile phone signal jamming system includes one 5G signal receiving link and multiple jamming transmission links. The receiving link performs polling and time-division multiplexing of downlink signals from various 5G frequency bands and GSCN frequency points. The signal receiving link receives downlink signals from airborne 5G base stations and GSCN frequency points via an antenna. After passing through filters, low-noise amplifiers, mixer downconversion, analog-to-digital conversion, and digital downconversion frequency selection, it performs PSS signal detection and determines whether the jamming transmission link should send signal interference SSB blocks. Compared with existing technologies, this invention detects whether there are PSS synchronization signals on 5G frequency bands and GSCN frequency points, and sends interference signals at the corresponding frequency and time of SSB to disrupt the UE's periodic measurement and reporting of SSB, thereby preventing the mobile phone from camping or accessing the 5G system. It greatly reduces the bandwidth and time of sending interference signals, significantly reducing the power consumption and radiation of the 5G signal jamming system.

The utility model discloses a low emission acoustic magnetic decoder, include: alternating current source, drive circuit and first coil, alternating current source is used to provide alternating voltage, first coil and drive circuit all are connected with alternating current source, and first coil forms series connection with drive circuit, and drive circuit is based on first control signal control first coil and alternating current source form closed loop, and through alternating voltage generates the peak value of alternating current and adjusts alternating current, and first coil is based on alternating current and generates alternating magnetic field to deactivate acoustic magnetic EAS label or mark. The utility model discloses a low emission acoustic magnetic decoder, through forming the series connection of alternating current source, drive circuit and first coil, can use 50Hz to 200Hz's low deactivation frequency's attenuation amplitude alternating magnetic field to deactivate label or mark, in the deactivation process, reduce the exposure of human body to electromagnetic field to the level that conforms to the human body electromagnetic field exposure limit that each regulatory agency makes, increasingly strict, has low emission, low radiation's characteristics.

The planar transformer comprises an iron core, a plurality of layers of PCBs arranged in a laminated mode and a winding, the iron core is fixed to the PCBs to form a closed magnetic circuit, the winding is composed of thin copper layers, insulating layers are arranged among the thin copper layers, the sectional areas of wires of the thin copper layers are equal, and the insulating layers are arranged between the thin copper layers. The winding is provided with a secondary winding and a primary winding, and the secondary winding and the primary winding are alternately stacked on the multi-layer PCB. The transformer has the advantages that the structure is simple, the size is small, space can be saved, the transformer is suitable for occasions with limited space, the winding can be tightly fixed to the iron core, the distance between the winding and the iron core is shortened, therefore, the magnetic flux density is increased, the magnetic density of the transformer is improved, and the transformer further has the advantages of being high in efficiency, low in leakage inductance, low in EMI radiation and high in insulativity.

The utility model relates to an external drainage pipe structure of bridge engineering, in particular to an external drainage structure of a bridge. Comprising a channel and a drainage pipe, the channel is connected to a bridge through a connecting assembly, the channel further comprises a channel body and a channel cover, and the channel cover can be opened. The drainage pipe is a PVC pipe and is placed in the channel. The channel can provide good physical protection for the drainage pipe, the drainage pipe is prevented from being damaged by external force, and the problem that the drainage pipe is prone to being damaged is solved. The channels can isolate direct sunlight, and the situation that the PVC pipe exposed in the sunlight for a long time is strongly radiated by ultraviolet rays, the molecular structure of a water pipe material is damaged, and the surface of the PVC pipe gradually cracks and ages is avoided. In the maintenance period, the groove cover can be opened, the drainage pipe in the groove channel can be conveniently checked and maintained, the drainage pipe can be taken out to be replaced when necessary, and therefore the maintenance cost is saved.

The utility model discloses a motor stator single-tooth structure which comprises a stator, stator single teeth are integrally connected on the stator, one end of each stator single tooth is provided with an arc-shaped surface, and one surface opposite to the arc-shaped surface is provided with a rotor surface. The utility model belongs to the technical field of motors, and particularly relates to a single-tooth structure of a motor stator, which can prevent the electrical performance of the motor from being reduced due to the change of an end face structure and reduce the vibration noise of the motor through designing the single-tooth end face structure of the motor stator.

The present invention provides a low-radiation anti-fouling coated glass and a preparation method thereof, belonging to the technical field of glass preparation; the preparation process thereof comprises the following steps: preparation of a fluorine-tantalum doped zinc oxide film precursor solution; synthesis of a chain transfer agent; preparation of a modified fluorine-containing copolymer; preparation of a functional film mixed solution; cleaning of a glass substrate; and low-radiation anti-fouling coated glass. The present invention adopts a sandwich structure coating of a zinc oxide film doped with fluorine and tantalum, a silver film, and a zinc oxide film doped with fluorine and tantalum. In the sandwich structure, the silver film is located in the middle layer, and the zinc oxide films doped with fluorine and tantalum are located on both sides. The sandwich structure forms a multilayer film system, which greatly improves the reflectivity of the glass to infrared radiation and achieves a better low-radiation effect. Moreover, the functional film is coated to further achieve a low-radiation effect and increase the anti-fouling ability.

This utility model provides an automated mineral sample dispensing and retention system, relating to the technical field of mineral sample dispensing and retention processes. It includes a conveying unit for conveying original sample boxes and wide-mouth sample bags respectively; a weighing unit for weighing the dispensed and retained samples; a placement unit for placing the dispensed and retained samples; and a moving unit for picking up the original sample boxes and wide-mouth sample bags from the conveying unit and sequentially moving them to the weighing and placement units. This system boasts a high degree of automation, enabling automated dispensing of mineral samples by number, retention of remaining samples, and traceability of remaining sample quality. It ensures the accuracy of mineral sample dispensing and retention information, and allows for fully automated batch processing, benefiting the occupational health and safety of workers, improving work efficiency and quality. It effectively overcomes the technical shortcomings of existing technologies that require manual operation at each stage, have low automation levels, and suffer from significant human error in sample management.

The invention relates to the technical field of information security maintenance, in particular to novel anti-recording equipment which comprises a microphone pickup module, an audio amplification module, a controller module, a clock module, a conversion circuit module, an oscillating circuit module, an AM modulation module, an analog switch module and an ultrasonic transmitting module. According to the invention, the random signal sequence is generated through the conversion circuit module, and the random signal sequence is loaded to a 40KHz carrier wave through the AM modulation module, so that the sound playing and recording effect can be effectively improved. And the transmitting power of the ultrasonic transmitting module can be adaptively controlled, specifically, the controller module judges the distance between a speaker and the recording equipment according to the amplified sound signal, so that the state of the analog switch module is controlled, the ultrasonic power adaptive to the distance is obtained, and the radiation to a human body is reduced.

The utility model relates to the technical field of building decoration, and discloses a building mirror surface curtain wall structure which comprises a main body mechanism and a protection mechanism, the protection mechanism is located in the main body mechanism, and the main body mechanism comprises a mirror surface curtain wall body and a mirror surface glass curtain wall. A mirror surface glass curtain wall is fixedly installed at the front end of the interior of the mirror surface curtain wall body, the main body mechanism further comprises an inner side glass curtain wall, a self-cleaning coating and a nanometer photocatalytic coating, and the inner side glass curtain wall is fixedly installed at the rear end of the interior of the mirror surface curtain wall body. According to the mirror surface curtain wall structure of the building body, by installing the main body mechanism, pollutants can be decomposed into non-toxic or low-toxicity substances through optical radiation by means of the design of the self-cleaning coating in the using process of the mirror surface curtain wall body, so that automatic cleaning of the mirror surface curtain wall body is achieved, inconvenience caused by traditional manual or equipment cleaning is avoided, and the service life of the mirror surface curtain wall body is prolonged. The maintenance cost of the mirror surface curtain wall body is reduced, and the practicability of the mirror surface curtain wall body is improved.

The utility model relates to the technical field of gas stoves, in particular to an energy-gathering pot rack and a gas stove. The energy-gathering pot rack comprises an energy-gathering ring and a plurality of supporting legs, the energy-gathering ring is of an integrated structure, the energy-gathering ring is formed by bending a hollow part, and a hollow cavity of the hollow part forms a heat insulation cavity of the energy-gathering ring; and the plurality of supporting legs are arranged at the upper end of the energy gathering ring. The energy-gathering ring is of the integrated structure and is specifically formed by bending the hollow part, so that only two ends of the hollow part need to be connected when the energy-gathering ring is formed, the number of connecting points is small, the process is simple, the hollow cavity of the hollow part can naturally form a heat insulation cavity of the energy-gathering ring after the hollow part is bent and formed, and the heat insulation effect is good. A heat insulation cavity does not need to be independently arranged, and the process is further simplified; in addition, the heat insulation cavity can effectively gather heat, reduce outward radiation of the heat and improve the heat efficiency, meanwhile, the heat insulation cavity can effectively reduce conduction of the heat to the panel and reduce temperature rise of the panel, and the problem that the panel bursts due to excessive local temperature rise of the panel is solved.

The present invention is applicable to the field of radio frequency technology, and in particular, relates to a radio frequency front-end module and a radio frequency chip, comprising a substrate and a first chip and a second chip arranged on the substrate, the first chip and the second chip being electrically connected; a bias circuit is provided on the first chip, the bias circuit is used to provide a bias voltage; an amplifier circuit and a temperature compensation circuit are provided on the second chip, the amplifier circuit is used to amplify the received signal, and the temperature compensation circuit is used to compensate for the error caused by temperature; the first end of the bias circuit is used to receive an enable signal, the second end of the bias circuit is electrically connected to the first end of the temperature compensation circuit, the first end of the amplifier circuit is used to receive an external logic control signal, and the second end of the amplifier circuit is connected to the second end of the temperature compensation circuit. Compared with the prior art, the present invention effectively reduces the complexity of the radio frequency front-end module and the radio frequency chip in realizing transmission power control, reduces radiation, reduces energy consumption, and increases service life.

The embodiment of the invention provides a surface acoustic wave device and an electronic module. The surface acoustic wave device comprises a piezoelectric substrate and an IDT electrode, and the IDT electrode is located on one side of the piezoelectric substrate. The IDT electrode includes: bus bars including a first bus bar and a second bus bar facing each other in a first direction; the first bus bar is provided with a plurality of first electrode fingers and a plurality of first dummy electrode fingers, and the first electrode fingers and the first dummy electrode fingers are alternately arranged and extend from the first bus bar to the second bus bar; the second bus bar is provided with a plurality of second electrode fingers and a plurality of second dummy electrode fingers, and the second electrode fingers and the second dummy electrode fingers are alternately arranged and extend from the second bus bar to the first bus bar; the edge of one end, close to the second bus bar, of at least one first dummy electrode finger is provided with an inward groove; and / or the edge of one end, close to the first bus bar, of at least one second dummy electrode finger is provided with an inward groove.

The utility model discloses an aluminum veneer curtain wall node structure, and relates to the technical field of aluminum veneer curtain walls. Comprising a keel and an aluminum veneer curtain wall plate, the aluminum veneer curtain wall plate is borne on the keel, the keel is connected with a gland arranged on the aluminum veneer curtain wall plate in a pressing mode through a bolt, an air gap is formed among the gland, the keel and the aluminum veneer curtain wall plate, a heat insulation strip is assembled in the air gap, and the gland is provided with a concave part for containing the end of the bolt. Convex blocks are integrally connected to the inner walls of the two sides of the sunken part, a decorative cover plate is detachably connected to the sunken part, a clamping frame capable of being clamped into the sunken part is connected to the decorative cover plate, and containing grooves for containing the convex blocks are formed in the two sides of the clamping frame. According to the aluminum veneer curtain wall node structure, the air gap can be formed among the aluminum veneer curtain wall plate, the keel and the gland, and the heat insulation strip is mounted in the air gap, so that heat radiation and conduction between the gland and the keel can be reduced, and the heat insulation effect of the whole structure is improved.

The utility model relates to a radiation shielding device and a processing machine tool, the radiation shielding device comprises a shell and a plurality of shielding rings, and the shell is internally provided with a containing cavity; the plurality of shielding rings are arranged in the accommodating cavity; the plurality of shielding rings are arranged in sequence from the shell to the direction close to the center of the accommodating cavity; in every two adjacent shielding rings, the shielding ring close to the shell is arranged on the outer side of the shielding ring far away from the shell in a sleeving mode. According to the radiation shielding device and the machining tool, the radiation influence on workers in the machining process of the to-be-machined part can be reduced, and the machining efficiency and machining safety of the to-be-machined part are improved.

A visual audio electric toothbrush structure for children comprises a handle assembly and an internal structure, a PCBA board is arranged in the handle assembly, an LCD screen is electrically connected to the PCBA board, a window opening is formed in the position, located on the outer side of the LCD screen, of the surface of the handle assembly, a lens of a convex lens is installed in the window opening, and the LCD screen forms an amplified visual effect through the lens. A button is arranged in the middle of the handle assembly and electrically connected to the PCBA board, a loudspeaker electrically connected with the PCBA board is arranged at the tail of the handle assembly, the button controls the internal structure so that the internal structure can start the brush head, the LCD screen is powered on through the button to start video playing, and sound is synchronously played through the loudspeaker. According to the utility model, the LCD screen can arouse the interest of children in using the electric toothbrush by playing cartoon figures or animation figures liked by the children and matching with voice.

The utility model discloses a foot fixing device for medical imaging examination, which comprises a bed body, a two-way screw is rotatably connected inside the bed body, the outer end of the two-way screw is fixedly connected with a rotating handle, the two-way screw is in threaded connection with two threaded blocks, one end of the upper part of the bed body is provided with a slot, and the other end of the upper part of the bed body is fixedly connected with the rotating handle. By arranging a rotating handle, a two-way screw and the threaded block, the clamping assemblies on the upper portion can be driven to move relatively, so that the distance between the two clamping assemblies can be adjusted according to different patients, medical imaging examination is facilitated, the number of times of medical imaging examination is reduced, and the medical imaging examination efficiency is improved. The medical imaging examination efficiency is improved, medical imaging examination radiation is reduced, meanwhile, a driving motor, a lead screw and a threaded plate are arranged to drive a second arc-shaped plate to move downwards to be matched with a first arc-shaped plate to fix the feet of the patient, and the fixing effect of the whole device is improved.

The utility model discloses a digital positioning puncture system which comprises a positioning puncture unit which comprises a base portion, a fixing portion, a puncture positioning portion and a developing portion, the fixing portion, the puncture positioning portion and the developing portion are arranged on the base portion, the fixing portion is used for fixing the positioning puncture unit on a human body, and the puncture positioning portion is used for positioning a puncture needle to a target position; the puncture positioning part comprises a driving assembly and a needle holder, the needle holder is arranged on the driving assembly, the puncture needle is arranged on the needle holder, and the driving assembly drives the needle holder and the puncture needle to the target position; and the imaging unit is used for imaging a target tissue in the human body and the developing part so as to determine the relative position of the needle holder and the target tissue. The positioning puncture unit can be directly fixed on a human body through the fixing part, then the positioning puncture unit and the human body are imaged together through the imaging unit to determine the relative position of the needle holder and a focus, then a doctor can plan a needle insertion path, and accurate positioning of an ablation needle is achieved.

The invention discloses an intelligent detection terminal for radiation dose in a nuclear medicine diagnosis and treatment area and a method thereof. The terminal comprises: a nuclear detection module, a central control module and a peripheral module; the nuclear detection module is used for detecting the radiation dose in the nuclear medicine diagnosis and treatment area, and sending the detected electrical signal to the central control module; the central control module is used for processing and analyzing the electrical signal data, and generating corresponding control instructions according to the analysis results; the peripheral module is used for receiving the control instructions sent by the central control module, and completing corresponding operations according to the control instructions; the method for processing data is to perform intelligent smoothing processing on the count rate through a sliding window; the invention can effectively realize dynamic monitoring of the radiation dose in the nuclear medicine diagnosis and treatment area and radiation safety early warning, and the method can achieve the purpose of dynamically elastically increasing and decreasing sample data, effectively filter the instantaneous distortion value, and improve the corresponding sensitivity of the detection data.

The invention provides a building silver-plated glass window with a self-cleaning structure, and relates to the technical field of buildings, the building silver-plated glass window comprises a window frame and a glass window, the glass window comprises a frame body and glass, the frame body is arranged outside the glass window, the glass is installed inside the frame body, and the self-cleaning structure is installed on the rear surface of the frame body; the automatic cleaning structure comprises a cleaning device and a water spraying device, the cleaning device is installed on the upper portion of the rear surface of the frame body, a transmission shaft of a motor in the cleaning device is fixedly connected with a screw rod, a sliding block is in threaded connection with the screw rod, a connecting block is installed on the sliding block, and an automatic replacing structure is rotatably installed on the connecting block; and the bottoms of the scraping plate assembly and the scrubbing strip assembly are in automatic alternate contact with the surface of the glass through the automatic replacement structure. The glass cleaning device has the beneficial effects of saving energy and reducing consumption, and stains on the surface of glass can be automatically and comprehensively removed.

The present invention provides a 5G antenna structure and a mobile terminal. The 5G antenna structure includes a metal floor and ten antenna segments arranged in sequence around the metal floor. The first antenna and the sixth antenna are arranged centrally symmetrically with respect to the center of the metal floor. The second antenna and the seventh antenna are arranged centrally symmetrically with respect to the center of the metal floor. The third antenna and the eighth antenna are arranged centrally symmetrically with respect to the center of the metal floor. The fourth antenna and the ninth antenna are arranged centrally symmetrically with respect to the center of the metal floor. The fifth antenna and the tenth antenna are arranged centrally symmetrically with respect to the center of the metal floor. The 5G antenna structure and the mobile terminal provided by the present invention can uniformly excite the current on the metal floor. The more uniform the current distribution on the floor, the lower the corresponding SAR value. The lower the SAR value, the smaller the radiation to the human body. Therefore, the use of this antenna structure can reduce the radiation to the human body.

The invention relates to the technical field of vacuum switches, and discloses an automatic control system and method for an X-ray test of a vacuum arc-extinguishing chamber, and the system comprises a fluorinated liquid adding and recycling unit, a data collection and control system, a test tool unit, a mechanical power unit, and a measurement unit. The test tool unit comprises a test groove, a vacuum arc-extinguishing chamber and an insulating support assembly. An observation window is formed in the side wall of the test tank; two ends of the insulation support assembly are connected with power ends. The liquid level sensor is arranged in the test tank; the measuring unit is located outside the test tank, and the measuring end of the measuring unit is aligned with the observation window of the test tank; the control end of the data acquisition and control system is respectively connected with the fluorinated liquid storage unit, the liquid level sensor, the mechanical power unit, the measuring unit and the power supply end. According to the invention, integration and intellectualization of an automatic control system are realized, automatic opening of the vacuum arc-extinguishing chamber, automatic measurement of the opening distance and automatic adding and recycling of the fluoride liquid are achieved, and the working efficiency is improved.

The invention relates to the technical field of medical treatment, in particular to an intelligent imaging system which comprises an X-ray tube, an intensity attenuation detection module, an image acquisition module and an adjustment control module. The adjustment control module judges whether to adjust the initial current size to obtain the temporary current size by comparing the real-time X-ray intensity attenuation value with the standard X-ray intensity attenuation range, and judges whether to adjust the temporary current size to obtain the target current size based on the image quality of the medical image generated by the X-ray with the temporary current size. According to the X-ray intensity attenuation value and the quality of the medical image, the initial current of the carbon nanotube array is adjusted, so that the radiation damage of X-rays to a human body is reduced while the high-quality medical image is obtained, and the efficiency and the safety of medical diagnosis are improved.

A fully analog nuclide distribution imaging method and system, which includes a front-end signal detection module, which includes a scintillation crystal array module and a silicon photomultiplier tube array module in any combination; a data preprocessing module that analyzes and distinguishes scintillation pulse event signals and converts the events into time, position, and energy events; an image reconstruction module that realizes full analog quantity processing of effective signal events, fully guarantees the integrity of the events, and uses a digitally controlled resistor circuit inversion module to simplify the actual large-scale matrix inversion process to solve the stability, existence and uniqueness of the solution; and a display module that converts and displays data. The main parts of the system are analog circuits, which reduces the electronic radiation interference of the instrument, and has lower cost and stronger practicality. The method is to set the parameters accordingly and use Kirchhoff's law to simply and conveniently realize image reconstruction.