44results about How to "Achieve the perfect match" patented technology

The invention provides an artificial alpha femoral stem prosthesis, which comprises a femoral stem cone, a femoral neck and a stem body in integral connection. The upper end face of the femoral neck is provided with a tool operating hole, the stem body comprises a femoral stem near section, a femoral stem middle section and a femoral stem far section, and a deflection angle is formed between the femoral neck and the stem body. By adoption of the integral structure, problems of abrasion, bone erosion and the like among components are eliminated; the femoral neck is wide in a motion range, stability in prosthesis implantation and effectiveness in rotation resistance are realized, great conditions are created for growth and proliferation of bone cells and soft tissues, the fixing effect of the prosthesis in a human body is improved, the service life of the prosthesis is prolonged, the surgical success rate is increased, and post-surgical pains of patients are alleviated. In addition, thesurface of the prosthesis is coated with a titanium microporous coating, biocompatibility of the prosthesis is improved, strength, plasticity and toughness of the prosthesis are matched with those ofhuman bones, and accordingly perfect matching of the prosthesis with femora of patients is realized.

The invention relates to the technical field of test equipment, and discloses a self-aligning door opener for a refrigerator door switch durability test. The door opener comprises a fixing connectiondevice used for fixing a tested refrigerator, a door opening connection device used for being connected with a refrigerator door, a power device fixed on the fixing connection device and used for driving the switch connection device, and a self-aligning device used for determining a tested refrigerator mounting position. The door opener can realize fast matching of various models of refrigerators,is convenient and fast to mount, can effectively guarantee the accuracy of the tested refrigerator mounting position, properly solves the problem of matching of refrigerator door switch tracks, automatically and repeatedly open and close upper and lower doors of the refrigerator, and is high in safety stability coefficient, low in fault rate, high in degree of automation, simple in structure andlow in cost, and the refrigerator is not easily damaged.

The invention provides a pipe pretreatment workstation. The pipe pretreatment workstation comprises a first conveying mechanism, feeding equipment, a conveying set, cutting equipment, grooving equipment, polishing equipment, cleaning equipment, a finished product workbin, finished product carrying equipment, an electrical cabinet and an operating table. The pipe pretreatment workstation is simple and compact in structure, small in floor area, capable of achieving perfect matching of all the equipment and improving work efficiency, high in universality and suitable for machining pipes of different dimensions.

The invention relates to the technical field of test equipment, and discloses a self-alignment uninterrupted door opening machine for refrigerator door tests. The self-alignment uninterrupted door opening machine comprises a fixed connection device, a door opening connection device, a power device, an uninterruptible power supply and a self-alignment device, wherein the fixed connection device isused for fixing a test refrigerator; the door opening connection device is used for connecting a refrigerator door; the power device is fixed on the fixed connection device and used for driving the door opening connection device; the uninterruptible power supply is used for supplying power to the power device; and the self-alignment is used for determining an installation position of the test refrigerator. The self-alignment uninterrupted door opening machine can avoid abnormal power supply conditions, provides stable and uninterrupted power supply, can effectively guarantee the precision of the installation position of the test refrigerator, solves the matching problem of the door opening and closing trajectories of the refrigerator, realizes the effect of rapidly matching refrigerators of various models, is convenient and rapid in installation, can open and close upper and lower doors of the refrigerator at the same time automatically and repeatedly, has high equipment safety and stability coefficient and low failure rate, is not likely to damage the refrigerator, is high in degree of automation, has simple structure, and is low in cost.

The invention provides a modularized cold source device. The modularized cold source device comprises a frame, a cooling water unit, a cooling tower, a cooling water pump, a plate-type heat exchanger,a chilled water pump, a power distribution cabinet, a control cabinet and an interface unit located on the outer side of the frame, wherein the cooling water unit, the cooling tower, the cooling water pump, the plate-type heat exchanger and the chilled water pump are integrated in the frame, and the power distribution cabinet and / or the control cabinet are / is integrated in the frame; the coolingwater pump is connected with the cooling tower, the plate-type heat exchanger and the cooling water unit, and the chilled water pump is connected with the plate-type heat exchanger and the cooling water unit; the modularized cold source device is connected with other devices through the interface unit. According to the modularized cold source device, as the modularized cold source device serves asa whole for a delivery, perfect matching between the modularized cold source device and the site condition can be achieved, the installing problem that the device size is not matched with installingspace, or the design capacity is not matched with the actual installed capacity is effectively solved, and the implementation speed can be thus guaranteed.

The invention relates to the technical field of test equipment and discloses an uninterruptible power supply door operator for refrigerator door test. The uninterruptible power supply door operator comprises a fixation connection device for fixing a test refrigerator, a door opening connection device for connecting a refrigerator door, a power device fixedly arranged on the fixation connection device and used for driving the door opening connection device, and an uninterruptible power supply module for providing power supply to the power device. The uninterruptible power supply door operator can prevent the case of power supply abnormity, provides steady and uninterrupted power supply, realizes fast matching of various types of refrigerators and well solves the problem of refrigerator dooropening and closing track matching, is convenient and fast to install, can realize automatic repeated opening and closing of upper and lower doors of the refrigerator, and is high in safety stabilitycoefficient, low in failure rate, not easy to damage the refrigerator, high in automation degree, simple in structure and low in cost.

The invention, which relates to the technical field of test equipment, discloses an intelligent test system for durability test of a refrigerator. The intelligent test system is composed of a controlmodule, a test module and an uninterruptible power supply module. The control module is used for carrying out real-time control of the working condition of the test module and setting, adjusting, andfeeding back working parameters of the test module based on needs. The test module is used for carrying out testing on the durability of the refrigerator baesd on parameters set by the control module.The uninterruptible power supply module consists of a circuit control module, a commercial power module, and a storage battery module and is used for providing uninterrupted power supply for the control module and the test module. According to the invention, the test process of the refrigerator is controlled in real time and the performance of the refrigerator is tested continuously; matching ofrefrigerators with different types is realized quickly; a matching problem of the opening / closing track of the refrigerator door is solved; the intelligent test system is installed conveniently and quickly; the upper door and the lower door of the refrigerator can be opened or closed automatically and repeatedly; the equipment safety stability coefficient is high and the fault rate is low; and thestructure is simple and the cost is low.

The invention discloses a method for harvesting and circularly cultivating microalgae by alkali flocculation. The invention utilizes the culture medium containing bicarbonate to cultivate microalgae, utilizes its high alkalinity, adds low-concentration flocculation ions to carry out flocculation and sedimentation, and harvests microalgae. Subsequently, CO was bubbled into the supernatant after flocculation and sedimentation 2 , to make it produce sodium bicarbonate again, and then use physical or chemical methods to treat the supernatant, which is used for the circular culture of microalgae, so as to achieve the purpose of reusing carbon source, nutrient salt and water. It also saves the cost of harvesting and cultivating microalgae, which has important application prospects for large-scale cultivation of microalgae. The invention is mainly used for the cultivation of Dunaliella salina.

The invention discloses a method for realizing synchronous up-and-down or synchronous translation of a projection screen following a rollable screen. After the system is powered on and started, the projection screen first reports the current position of the screen to the projection host through a communication link, and the projection host reports the current position of the screen to the projection host according to the information obtained from the projection screen. The current screen position n0 of the projection image is preprocessed. After the projection host completes the preprocessing of the projection image, the image is projected onto the projection screen. The projection host informs the projection screen through the communication link to confirm that the current projection image has been processed according to The current position of the projection screen is aligned, and after the projection screen receives the confirmation information from the projection host, it drives the projection screen to the next position, and the projection host obtains the specific position of the next projection screen through the communication link. " and "projection screen" are designed as a real linkage system to achieve the perfect match between the projection screen and the projection screen to achieve the best display effect.

The invention relates to the technical field of test equipment, and discloses a refrigerator durability test automatic test system comprising a control module, a test module and an uninterruptable power supply module. The control module is used for managing and controlling the working condition of the test module in real time and setting, adjusting and feeding back the working parameters of the test module according to the requirements. The test module is used for performing the refrigerator durability test according to the parameters set by the control module. The uninterruptable power supplymodule comprises a circuit control module, a commercial power module and a storage battery module and is used for supplying uninterruptable power to the control module and the test module. The refrigerator test process can be managed and controlled in real time, the uninterruptable refrigerator performance test can be realized, the matching problem of the refrigerator door opening and closing traces can be greatly solved, all models of refrigerators can be quickly matched, installation is convenient and quick, the refrigerator is easy to be moved up and down, the upper and lower doors of therefrigerator can be simultaneously, automatically and repetitively opened and closed and thus the equipment safety and stability factor is high.