85results about How to "Guaranteed installation space" patented technology

An antenna device and an electronic device having the antenna device are provided. The antenna device includes a conductive film member including mesh grid areas formed by transparent wires and electrodes, and a radiation pattern path formed between the mesh grid areas. The electronic device includes a display including a touch panel, wherein the touch panel comprises a conductive film member including mesh grid areas formed by transparent wires and electrodes, and a radiation pattern path formed between the mesh grid areas.

The invention discloses a monitoring alarm terminal and system, which comprise a power supply device and an NB-IoT subsystem, wherein the power supply device is used for supplying electric energy; the NB-IoT subsystem is electrically connected with the power supply device, and is used for monitoring environment information of the ambient environment, and sending alarm information corresponding to preset alert information to a remote server when the environment information triggers the preset alert information. The monitoring alarm terminal and system guarantees the low energy consumption of the system through an NB-IoT technology, and effectively guarantees the outdoor long-term monitoring and alarm; in addition, the characteristics of broad coverage, mass connection, low cost and the like of the NB-IoT technology provide the instantaneity and high efficiency of large-area distribution and alarm of the monitoring alarm system.

The invention provides an ultrasonic rolling technique. The ultrasonic rolling technique comprises step as follows: an ultrasonic rolling processing device adaptive to a complicated surface is provided and comprises a casing assembly, a hydraulic assembly and an ultrasonic assembly, wherein the ultrasonic assembly is fixed in the casing assembly and connected with the hydraulic assembly, the ultrasonic assembly comprises a transducer, an amplitude-change pole and a tool head, the transducer is connected with an ultrasonic generator, two edge curves of a radial section of the amplitude-change pole are bezier curves, a first end of the amplitude-change pole is connected to a first end of the transducer, and the tool head is detachably connected to a second end of the amplitude-change pole; the ultrasonic rolling processing device is clamped to a machine tool, and the tool head is arranged in the position in slight contact with a to-be-processed surface of a workpiece; the hydraulic assembly is adjusted to output 100-2,000 N static pressure; the ultrasonic assembly is adjusted, and axial amplitude of an output end of the amplitude-change pole is enabled to be 5-30 mu m; meanwhile, a motion trail of the machine tool is set for ultrasonic rolling processing. The ultrasonic rolling technique has the advantages of high efficiency, low energy loss and the like.

The invention discloses a construction process for back-sloping and jacking a curved bridge. The construction process comprises the following steps: (1) through temporary supports which are arranged on the tops of bridge piers of a box girder bridge, after synchronously jacking the bridge piers of the box girder bridge to be jacked, dismounting support bases on each pier to realize arrangement of the temporary supports; (2) using the centre of the support base of the highest bridge pier of the box girder bridge to be jacked, rotating the whole girder body for a given angle to realize the synchronous jacking of the back-sloping proportion of the girder body; (3) cutting off and lifting the pier studs of all bridge piers; and (4) descending the integrally connected girder body to the support bases of the pier studs. According to the construction process for back-sloping and jacking the curved bridge, the safety and the jacking accuracy of the girder structure can be guaranteed during jacking.

The invention provides an ultrasonic roll finishing device adaptable to complex surfaces. The ultrasonic roll finishing device adaptable to complex surfaces comprises a shell assembly, a hydraulic assembly and an ultrasonic assembly. The ultrasonic assembly is fixed in the shell assembly and comprises a transducer, an amplitude transformer and a tool head, wherein the transducer is connected with an ultrasonic generator; the first end of the amplitude transformer is connected to the first end of the transducer, and two edge curves of the radial section of the amplitude transformer are Bezier curves; and the tool head is detachably connected to the second end of the amplitude transformer. By adoption of the ultrasonic roll finishing device adaptable to complex surfaces, the probability of movement failures caused by environment changes or self faults can be lowered and even prevented; and the ultrasonic roll finishing device adaptable to complex surfaces has the advantages of being high in efficiency, small in energy loss, small in size, long in service life, good in heat dissipation performance, high in flexibility, good in universality and low in weight.

The invention relates to a double flexible pair-based three-degree-of-freedom precision adjustment parallel mechanism, comprising three groups of motion branch chains which are connected in parallel and have the same structure, wherein the three groups of motion branch chains are in uneven circumference distribution at three extending ends of an immersion unit by taking a center hole of the immersion unit as a center; each group of motion branch chain comprises a linear motion assembly, a double flexible pair connecting rod assembly, a mechanical anti-collision assembly, a Z-direction displacement measuring assembly and a gravity compensation assembly. The double flexible pair-based three-degree-of-freedom precision adjustment parallel mechanism is used for realizing installation, fixationand space position adjustment of the immersion unit of an immersion type photoetching machine and realizing micron-level positioning of the immersion unit; double flexible pairs are adopted, the structure is simple and compact, and the advantages of no friction and no need of lubrication are achieved; the wholly mechanism adopts a parallel mechanism, the rigidity is high, the response is quick, the adjustment range is large, modular design and assembly are adopted, and the mechanism can be used for three-degree-of-freedom precision adjustment in other occasions except the immersion type photoetching machine.

The invention discloses a high-pressure common-rail electrically controlled fuel injector, pertaining to the field of automobile parts. The invention relates to a fuel injection system of a diesel engine and particularly relates to a high-pressure common-rail electrically controlled fuel injector applied to a high-pressure common-rail fuel injection system. An excellent working environment of an electromagnet is ensured by means of a layout that an electromagnetic valve is arranged at the top so as to facilitate the obtaining of enough electromagnetic forces. Furthermore, the electromagnet can adapt to the application condition of the limitation to the mounting space at the lower part of the fuel injector; a control piston structure is saved by means of a layout that a control chamber is arranged at the bottom and the upper surface of a needle valve is directly adopted to form a part of the wall face of the control chamber, thereby not only reducing the spillage of the needle valve, but also reducing the weight of a moving part, quickening the response speed of a hydraulic response section, reducing the seating impact force of the needle valve and improving the rapidity, the accuracy and the reliability of the electrically controlled fuel injector.

The invention concerns a cooling system for an aircraft with an air inlet (4) through which air from the environment of the aircraft enters a ram air channel (2), and an air outlet (6) through which air emerges from the ram air channel (2). A heat exchanger (10) is arranged in the ram air channel (2). A ventilation device (8) is in fluid communication with the ram air channel (2). Also connected to the ram air channel (2) is a distribution line (12) to cool at least one heat-loaded component of the aircraft, in particular a cabin air conditioning system, and/or to ventilate an installation space of the at least one heat-loaded component.

The invention provides an internal reflection type catadioptric panoramic imaging lens. The internal reflection type catadioptric panoramic imaging lens comprises a catadioptric mirror group and a relay mirror group which are arranged in sequence. The catadioptric mirror group includes a first catadioptric lens and a second catadioptric lens which are arranged coaxially and arranged sequentially along a direction from the catadioptric mirror group to the relay mirror group, and the first catadioptric lens and the second catadioptric lens are connected by a connecting surface. Full-view ultra-wide-angle imaging is realized. An appropriate angle magnification is provided to expand the field of view. The catadioptric mirror group is a lens group, and can bear greater vertical field of view and relative aperture. The field of view and the aperture of the lens are large. The long after-work distance ensures the installation space of other parts. Moreover, the lens has the effects of compact structure, small size, and easy installation.

This invention refers to a more three-phase motor adopting inverter to supply power to rotor, which contains said rotor is three-phase and connected with electric network and has plurality of group of three-phase symmetry windings independent in circuit, there is only magnetic circuit coupling among groups without direction relation in electric circuit, the each star connected three-phase windings has independent zero point, the angle connected windings is independent, the total windings phases are multiple times of three, e.g. 2X3, 3X3,...NX3, the displacement angle can adopt 360 degree/(nX3), 180 degree/(nX3), or 0<=beta<180 degree/(nX3).

This invention refers to a rotor more three-phase ac excitation water pumping energy storage asynchronous generator/motor adopting inverter to supply power, which contains three-phase stator windings directly connected with power frequency network, plurality of groups of three-phase symmetry windings independent in circuit, there is only magnetic circuit coupling among groups without direction relation in electric circuit, the each star connected three-phase windings has independent zero point, the angle connected windings is independent, the total windings phases are multiple times of three, e.g. 2X3, 3X3...NX3 (n is the positive integer greater than 2), the displacement angle can adopt 0<=beta<180 degree/(nX3), or other angle.

This invention refers to a rotor more three-phase ac excitation hydraulic generator adopting inverter to supply power, which contains three-phase stator windings directly connected with power frequency network, plurality of groups of three-phase symmetry windings independent in circuit, there is only magnetic circuit coupling among groups without direction relation in electric circuit, the each star connected three-phase windings has independent zero point, the angle connected windings is independent, the total windings phases are multiple times of three, e.g. 2X3, 3X3...NX3 (n is the positive integer greater than 2), the displacement angle can adopt 360 degree/(nX3), 180 degree/(nX3), or 0<=beta<180 degree/(nX3).

The invention provides an optical secondary module. The module comprises a base, an insulation plate and a first pin which penetrates through the base and is used for signal transmission, the first pin is located in a projection area of the insulation plate on the base, and an electric conduction access is formed in the surface, facing the base, of the insulation plate; one end of the electric conduction access is electrically connected with the first pin, and the other end of the electric conduction access is electrically connected with a chip arranged on the insulation plate. The first pin located in the projection area of the insulation plate on the base is connected with the electric conduction access in the insulation plate, the first pin is electrically with the chip through the electric conduction access, so that signal transmission is achieved, and therefore the mounting space occupied by the additionally-arranged pin on the base is provided for the chip through the insulationplate; electric communication connection between the pin and the chip is achieved through the electric conduction access arranged on the insulation plate, and on the premise of meeting the requirementof additionally arranging pin on the optical secondary module, the mounting space of electronic devices such as chips on the optical secondary module can be guaranteed.

The invention provides a catadioptric ultra-wide-angle imaging system comprising a camera system, a circuit system, and a mechanical system. The camera system, the circuit system, and the mechanical system are connected mutually. The camera system consists of a catadioptric lens group, a relay lens group and an image surface; the relay lens group and the catadioptric lens group are arranged coaxially; and a catadioptric first lens and a catadioptric second lens are connected by a connecting surface. With the system, ultra-wide-angle view finding can be realized. Because the catadioptric lens group employs the lens group, bearing of the large vertical view field and the large relative aperture can be realized. Moreover, the system with a compact structure can be installed conveniently.

The invention discloses a display cabinet door handle with a disinfection function. The display cabinet door handle comprises a door body; a square mounting groove is formed in the door body, and a handle is arranged in the square mounting groove; a plurality of rows of ultraviolet lamp sets are arranged on the upper side face and the lower side face of the square mounting groove in the depth direction of the square mounting groove, and each row of ultraviolet lamp sets is provided with a plurality of ultraviolet lamps in the width direction of the square mounting groove. The ultraviolet lampson the upper side surface of the square mounting groove and the ultraviolet lamps on the lower side surface of the square mounting groove are symmetrically arranged; the illumination of the ultraviolet lamps on the upper and lower side surfaces of the square mounting groove can radiate the whole outer surface of the handle; an infrared sensor is arranged on the handle and electrically connected with the input end of a controller, and the output end of the controller is electrically connected with a power supply loop of the ultraviolet lamps. By arranging the ultraviolet lamps, ultraviolet irradiation sterilization of the handle is achieved, and compared with an existing disinfectant sterilization mode, ultraviolet irradiation sterilization is more convenient.

The invention relates to a rear-end gear chamber structure of a diesel engine. The rear-end gear chamber structure comprises a timing gear chamber cover, a rear-end plate body and a flywheel shell, wherein the middle of a left plate body in the rear-end plate body is connected with an air compressor gear, an oil pump gear and a third idle gear, the middle of an upper plate body is connected with afirst idle gear and a second idle gear, a camshaft gear is arranged on the upper plate body, a crankshaft gear and an oil pump gear are sequentially arranged in the bottom vacancy opening from top tobottom, and the front and back surfaces of the rear-end plate body are connected with a cylinder body/ a cylinder cover, the timing gear chamber cover/the flywheel shell respectively; the bottom surface of the cylinder body is connected with an oil pan, the top surface of the cylinder body is connected with the bottom surface of a housing of the cylinder cover through the cylinder cover, the right end of the housing of cylinder cover is connected with the top of the timing gear chamber cover, the bottom of the timing gear chamber cover is in wedge connection with a gear chamber cover matchinggroove formed in the top of the flywheel shell through a cover downward extending end. The rear-end gear chamber structure has the advantages of being convenient in manufacturing, assembling, maintenance and adjustment of gear system, light in weight, high in overall rigidity, and good in noise reduction effect.

The invention relates to a piston head comprising a piston head body. A circumferential side wall of the piston head body is provided with at least two sealing ring grooves for mounting sealing rings,spaced distances exist between the adjacent sealing ring grooves, and a pressure relief oil stopping groove is arranged at the position between every two of the at least two adjacent sealing ring grooves and on the circumferential side wall of the piston head body. The piston head is simple in structure and low in preparation cost, can effectively reduce consumption of lubricating oil, improves the lubricating performance of a piston and a cylinder sleeve, meanwhile, prevents coke generation generated by the fact that the lubricating oil enters a combustion chamber, prevents high temperatureand high pressure gas from entering a crankcase, and avoids the explosion risk of the crankcase.

The invention relates to a fuel oil evaporation system and a motorcycle thereof, comprising a carbon jar and a pipeline system, wherein the carbon jar is fixedly arranged on the lower surface of the bottom plate of a fuel oil tank; the pipeline system comprises a breather pipe I and a breather pipe II; one end of the breather pipe I is communicated to the gas phase of the gas and oil separator ofthe fuel oil tank, and the other end is communicated to the fuel oil steam adsorption mouth of the carbon jar; the pipeline of the breather pipe I is provided with a dumping valve; the dumping valve is fixed on the lower surface of the bottom plate of the fuel oil tank; one end of the breather pipe II is communicated to the desorption mouth of the carbon jar; and the other end is communicated to the mixed gas inlet of a carburettor. The fuel oil evaporation system is integrally connected with the fuel oil tank. When the fuel oil evaporation system is assembled, the fuel oil tank can be firstly installed, and then, a pipeline between the carbon jar and the carburettor is connected, thereby saving labor force. Meanwhile, abnormal bending when a breathing line is installed can be avoided to guarantee that the breathing line is smooth so as to ensure that the fuel oil evaporation system can normally operate for a long period. The structural pipeline system has simple structure, workload for installation is reduced, the surface of the fuel oil tank and the periphery can be guaranteed to be beautiful and compact, and use and maintenance cost is lowered.