9results about How to "Sensitivity is not affected" patented technology

The present invention discloses a capacitive flexible touch screen based on boron nitride and a preparation method thereof. The capacitive flexible touch screen includes a multifunctional film layer, a flexible film cover, a polarizer, a transparent insulating boron nitride-based touch electrode module, a film encapsulation layer, a flexible support layer, a buffer layer and a flexible metal layer from top to bottom; the transparent insulating boron nitride-based touch electrode module includes a first boron nitride layer, an upper indium tin oxide film, a second boron nitride layer, a fifth optically transparent adhesive OCA layer, a third boron nitride layer, a lower indium tin oxide film and a fourth boron nitride layer from top to bottom; the first boron nitride layer, the second boron nitride layer, the third boron nitride layer and the fourth boron nitride layer are all hexagonal boron nitride layers. The capacitive flexible touch screen based on boron nitride of the present invention has high transparency, good electrical insulation and strong chemical stability, and has high performance and reliability.

This utility model relates to the field of medical device technology, and in particular to a dual-threshold non-contact water level alarm for a ventilator humidifier. It includes a connecting assembly, with an alarm structure fixedly connected to its front end. A first-order sealing plastic sticker is fixedly connected to the right side of the front end of the connecting assembly, and a second-order sealing plastic sticker is fixedly connected to the front end of the first-order sealing plastic sticker. Both the first and second-order sealing plastic stickers are adhered and fixedly connected to the connecting assembly. The alarm structure includes a sensor, with a connecting layer fixedly connected to its front end. Three first-order connectors are fixedly connected at equal intervals laterally at the lower end of the connecting layer. Each of the three first-order connectors has a connecting wire fixedly connected to its lower end, and each of the three connecting wires has a second-order connector fixedly connected to its lower end. This dual-threshold non-contact water level alarm for a ventilator humidifier, through its connecting assembly and alarm structure, facilitates the water level alarm process during ventilator humidification.

The present invention belongs to the field of mechanical design technology, and specifically relates to a device for installing and fixing an acceleration sensor of a loose component of a nuclear power plant. The present invention includes a fixing screw hole, a baffle, a supporting bayonet, a supporting plate, and a fixing plate, wherein a baffle, two supporting plates, and two fixing plates are formed by bending a steel plate, and a supporting bayonet is provided in the middle of the baffle; the fixing plate is parallel to the baffle; and two screw holes are provided at the top of each fixing plate. The present invention can make up for the deficiencies in sensor design, installation, and manufacturing; it can stably install the acceleration sensor on the arc surface of a loop pipeline without affecting the sensitivity of the detector; after being put into use for a long time, there has been no case of the acceleration sensor falling off or malfunctioning.

The utility model provides a peep-proof film convenient for fingerprint unlocking, which comprises a peep-proof film structure, the peep-proof film structure comprises a peep-proof film layer, a use layer and a transparent adhesive layer, the peep-proof film layer is provided with a through hole for exposing a fingerprint identification module or a transparent film is arranged at a position corresponding to the fingerprint identification module on the peep-proof film layer, and the peep-proof film layer is provided with a transparent adhesive layer. The using layer is adhered to the outer side surface of the peep-proof film layer through (optical) transparent glue, and the transparent adhesive layer is adhered to the inner side surface of the peep-proof film layer. According to the peep-proof film facilitating fingerprint unlocking, the through hole or the transparent film is formed in the peep-proof film layer, the fingerprint unlocking function is not affected, the problem that a traditional peep-proof film is difficult in fingerprint unlocking or cannot be unlocked is solved, the peep-proof film not only has the anti-explosion and anti-scraping functions, but also can effectively prevent peeping, meanwhile, the sensitivity of fingerprint unlocking is not affected, and the peep-proof film is convenient to use. The method is suitable for screen protection of electronic equipment such as smart phones and tablet personal computers.

The invention discloses a protection method for a touch circuit, which comprises the following steps of: coating a layer of protection film on the surface of the touch circuit of a protection panel, and adding an electrical isolation layer between the protection film and the touch circuit, wherein the special insulating film is prepared in the modes of polymerization, film casting, drying and cutting, the preparation raw material is polyimide, the special insulating film is in a liquid state and is poured on the flat protective panel to form a solution with a certain concentration, the solution is uniformly spread by a roller of a film casting machine or a smooth workbench to form a thin film, and the thin film is placed on the protective panel. Along with volatilization of the solvent, the solution is gradually cured to form a film which passes through a uniform thin film, then drying treatment is carried out to remove the solvent, and finally the film is cut into the required size. According to the protection method for the touch circuit, the surface of the touch circuit is coated with the protection film and the electrical isolation layer, physical damage such as scraping and impacting can be effectively prevented, and therefore the durability of the touch circuit is improved.

The invention belongs to the technical field of infrared glass, and particularly relates to high-refractive-index infrared glass as well as a preparation method and application thereof, and the infrared glass comprises the following components in percentage by mole: 16-28% of Ge, 58-64% of Te, 7-14% of Se, 2-10% of As and 0-2% of Sb. The preparation method comprises the three steps of raw material deoxidization, raw material mixing and heating smelting. By optimizing the components and the proportion of the glass and further performing secondary deoxidization on the raw materials, the refractive index of the infrared glass is improved, and the absorption peak of the infrared glass in a far infrared region is reduced, so that the infrared glass can be applied to infrared thermal imaging equipment, and the sensitivity of the equipment is improved.

The invention discloses a gas mass flow sensor and a detection method. The gas mass flow sensor comprises a base layer, a first detection unit and a second detection unit, the first detection unit comprises a first airflow channel, and a first heating element and a first temperature measuring element which are arranged in the first airflow channel; the second detection unit comprises a second airflow channel, and a second heating element and a second temperature measuring element which are arranged in the second airflow channel; the first detection unit is used for detecting small flow, and the second detection unit is used for detecting large flow. A first thermal isolation structure is arranged between the two detection units and is used for isolating temperature field thermal crosstalk between the detection units; a second thermal isolation structure is arranged in the base layer and used for isolating heat conduction from the detection unit to the position below the base layer. The gas mass flow sensor disclosed by the invention adopts an integrated structural design, the sensor structure is simplified, the processing difficulty is reduced, the problems of sensitivity dead zone, thermal crosstalk and the like of the gas mass flow sensor are solved, and the detection effect is ensured.

The utility model discloses a micro differential pressure sensor. The micro differential pressure sensor comprises a substrate, an outer shell and a chip module, the outer shell is fixedly connected with the base plate, and the outer shell and the base plate are enclosed to form an accommodating cavity; the chip module is located in the containing cavity and fixed to the substrate. A pressure equalizing groove is formed in the base plate, an air hole penetrating through the outer shell is formed in the outer shell, and the pressure equalizing groove is matched with the air hole to form a pressure equalizing channel so that the interior of the containing cavity can be communicated with the external environment. Through the arrangement of the technical characteristics, the air leakage efficiency of the micro differential pressure sensor can be improved, and the working reliability of the micro differential pressure sensor is further improved.

The invention provides a temperature drift leakage current compensation method for an X-ray detector, and the method comprises the steps: obtaining a leakage current temperature drift characteristic through a signal difference value of a response signal, thereby building a response signal relational expression, obtaining the actual temperature drift leakage current variable quantity of the X-ray detector according to the response signal relational expression, and updating the temperature drift leakage current in real time. Therefore, the real-time and accurate dynamic compensation of the temperature drift leakage current of the X-ray detector is realized, the image quality and sensitivity of the X-ray detector are not influenced in a wider temperature range, and meanwhile, the size of the PGA gear is adjusted in real time through the ASIC chip according to the temperature drift leakage current, so that the exposure saturation phenomenon is prevented. The invention further provides an X-ray detector temperature excursion leakage current compensation system and equipment. The X-ray detector temperature excursion leakage current compensation method is adopted for temperature excursion leakage current compensation.