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378 results about "Structure matching" patented technology

Electron blocking layer structure of photoelectric device

The invention provides an electron blocking layer structure of a photoelectric device. The electron blocking layer structure is characterized in that structure matching between a quantum well and a P layer is achieved through adjusting a lattice structure and a band gap as much as possible; meanwhile, the formation of a polarized electric field is reduced, the formation of a negative charge area in an electron blocking layer is weakened as much as possible, and further the efficiency is improved; the electron leakage caused by energy band bending of the electron blocking layer and the increment of hole potential energy of the P layer are weakened. The electron blocking layer structure of the photoelectric device adopts AlInGaN or AlInGaN/InGaN super-lattice structure growth, wherein the In component is less than or equal to 10 percent; the Al component is less than or equal to 40 percent; the gradual distribution of the In component and the Al component exists in the electron blocking layer, and gradual change principles of the In component and the Al component are mutually independent; as for the electron blocking layer with an AlInGaN/InGaN super-lattice structure, the gradual change of the In component occurs in a super-lattice AlInGaN or a super-lattice AlInGaN/InGaN or in both the super-lattice AlInGaN and the super-lattice AlInGaN/InGaN.
Owner:西安利科光电科技有限公司

Heat pump water heater defrosting control method and heat pump water heater using method

The invention discloses a heat pump water heater defrosting control method and a heat pump water heater using the method. In a heat pump water heater control program, an operation method of adding a forced opening defrosting mode is adopted, so that under the conditions that the weather is very severe and the automatic defrosting fails, the defrosting mode is automatically converted into defrosting at the set time or the manual forced defrosting by users, the defrosting can be continuously carried out, the heating efficiency of the heat pump water heater is enhanced, and the operation reliability is improved. In addition, the heat pump water heater using the method has the advantages that through the monitoring by a monitoring device and the structure matching of an outdoor heat exchanger coil pipe sensor, an outdoor environment sensor, a water inlet monitoring sensor and a water outlet monitoring sensor, the monitoring device controls the operation sequence of the compressor, a gas-liquid separator, a heat exchanger, an electronic expansion valve, a condenser and a four-way valve, the work medium flowing direction is changed, the operation method of adding the forced opening defrosting mode is adopted in the heat pump water heater control program, the operation is convenient, and the structure is reasonable.
Owner:广东长菱空调冷气机制造有限公司

Airliner window transparent part fastening structure and fastening method thereby

The invention discloses an airliner window transparent part fastening structure comprising an airliner body and a transparent part mounted on the airliner body. A prestressed structure frame is connected to the periphery of the transparent part. A mounting structure matching with the airliner body is formed on the prestressed structure frame. The transparent part of the fastening structure is provided with no screw holes, internal stress balance of the transparent part is not damaged, and no stress weakness exists. The circular prestressed frame is formed on the periphery of the transparent part, the overall stress structure with the transparent part and the airliner body and having the function of prestress buffering is formed, difference of pressure borne by the transparent part and loads such as bird impact can be transmitted to the airliner body effectively, and structure stability is guaranteed. Coverage with seal glue and the like through a prestress component makes the fastening structure to be more firmly and more durably adhered to the edge of the transparent part, and accordingly the service lives of the seal glue and a polyurethane interlayer are prolonged greatly, conductive strips in the laminated transparent part are protected, and arcs and even breakage are avoided for the transparent; replacing frequency of the transparent part is reduced and using cost is reduced.
Owner:高峰
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