81results about How to "Easy to integrate and install" patented technology

The invention discloses a big specific capacity buoyancy force adjustment and emergency self-rescue integrated device and a submersible machine. The integrated device includes a water chamber (1), atleast one machine pump valve assembly (3), a detection module and a control module (2); one port of the machine pump valve assembly (3) is communicated with a sea connection port of the submersible machine, and the other port is communicated with the water chamber (1) to achieve injection and discharging of sea water; the detection module and a machine pump assembly (8) are electrically connectedwith the control module (2) separately; the detection module sends detected signals to the control module (2), and the control module (2) controls the machine pump valve assembly (3) to be switched onor switched off to achieve buoyancy force adjustment according to the signals. The big specific capacity buoyancy force adjustment and emergency self-rescue integrated device and the submersible machine have the advantages that not only can the normal buoyancy force adjustment operation capability of the amphibious submersible machine be ensured, but also it can be ensured that the submersible machine can safely float up to be recycled under an emergency situation.

The invention discloses a fuel cell vehicle on-board hydrogen supply system which comprises a hydrogen storage bottle, a bottle mouth valve, a hydrogen supply pipeline and a hydrogen charging pipeline. A gas inlet of the hydrogen charging pipeline is connected with a receiving seat with an infrared communication module, a gas outlet of the hydrogen charging pipeline is in sealed communication witha gas inlet of the bottle mouth valve, a joint o the bottle mouth valve is screwed in a bottle mouth of the hydrogen storage bottle in a sealed mode, a gas outlet of the bottle mouth valve is in sealed communication with a gas inlet of the hydrogen supply pipeline, a gas outlet of the hydrogen supply pipeline is in sealed communication with a hydrogen adding port of a fuel cell, the hydrogen charting pipeline is provided with a first one-way valve, the hydrogen supply pipeline is provided with a first electromagnetic valve, the portion, between the gas inlet of the hydrogen supply pipeline adthe first electromagnetic valve, of the hydrogen supply pipeline is externally connected with a first pressure transmitter, a safety valve, a manual valve, a first TPRD relief device and a first temperature sensor. The fuel cell vehicle on-board hydrogen supply system is simple in structure and good in safety performance.

The invention relates to a flexible and bendable shape-memory alloy actuator. A shape-memory alloy wire is taken as an actuation element, is retracted when electrified and heated and is elongated when cooled, so that displacement of the actuator and output of force are realized. The actuator comprises a drive end, a flexible solenoid and a fixed end, wherein the shape-memory alloy wire is arranged in the bendable solenoid, one end of the shape-memory alloy wire is in rigid connection with an output shaft, and the other end of the shape-memory alloy wire is connected with a fixed end cap; a bias spring is arranged in the drive end and can assist the shape-memory alloy wire in elongation in the cooling process. The actuator is small in size, light in weight and simple and reliable in structure, can bend according to certain curvature and can be easily mounted and integrated with an external mechanism, and the output force and the displacement are adjustable.

The invention discloses a micro spectrometer device based on an arrayed waveguide grating and belongs to the technical field of the improvement and innovation of micro spectrometer devices. The devicecomprises a metal base for support and heat radiation, a metal shell used for protection and sealing, an optical interface used for optical fiber input, a single-fiber tail fiber used for end face coupling, a waveguide array grating chip is used for light splitting, a copper sheet used for heat conduction, a semiconductor refrigerator, a CCD detector, and an electrical interface used for connecting the CCD detector and the semiconductor refrigerator. Analysis polychromatic light passes through the optical interface and enters the grating array waveguide chip through a single fiber for light splitting, and the light is directly detected and analyzed by the CCD detector to form a spectrum. According to the device, the size of the spectrometer is greatly reduced, the high-precision light splitting is realized, and the device can be used for the development of wearable equipment. The integrated packaging is adopted, so that the structure is more compact. The device has the advantages of small size, high precision, low price and modular assembly and can be used for large-scale production.

The invention relates to an optical measuring stand apparatus. A stand structure comprises an uniform illumination system, a panel support structure, a lower layer support framework, a displacement bench and a movable air floating pedestal from top to bottom. By using the stand apparatus, a problem that structures of detection systems of a Shark-Hartmann sensor, a double-grating shearing interference and the like are difficult to adjust is solved. An adjusting stroke of a certain range is possessed and lens groups with different focal lengths are compatible. A center of the stand apparatus is provided with a large installing hole. Through an adapter flange, lens with different diameters are compatible. And design layout is open, which is convenient for dismounting and integration installation.

The invention relates to a multi-parameter measurement probe and a measurement method for on-orbit tiny space debris, belonging to the field of space debris monitoring and measurement, and relates to a method for measuring multiple parameters of size, velocity and mass of on-orbit passive tiny debris, which is used for spacecraft In-orbit space debris measurement payload. The invention includes front and rear thin film sensors, front and rear charge collection electrodes, charge measurement amplifiers and high frequency pulse counters. The front and rear films are plated with metal films, and there are equal-spaced charge collection wires behind the front film and in front of the back film. A negative DC voltage is applied between the collection electrode and the film to collect the charge signals generated by the impact of tiny fragments on the front and rear films. The charges generated by the front and rear films are collected by the collecting electrodes, and amplified into voltage pulse signals by the charge amplifier. The high-frequency pulse counter measures the time difference between the impact signals on the front and rear films to obtain speed and direction information. The energy of the impact debris is obtained from the charge signal, and the mass of the space debris can be obtained by combining the velocity.

The invention relates to a flexible and bendable shape-memory alloy driver. The shape-memory alloy wire is used as a driving element, which shrinks when energized and heated, and elongates when cooled to realize the output of the displacement and force of the driver. The driver is composed of a driving end, a flexible helical sleeve and a fixed end; the shape memory alloy wire is placed inside the bendable helical sleeve, one end of the memory alloy wire is rigidly connected to the output shaft, and the other end is connected to the fixed end cover; The driving end has a built-in bias spring, whose function is to assist the elongation of the memory alloy wire during the cooling process. The driver is small in size, light in weight, simple and reliable in structure, adjustable in output force and displacement, can be bent according to a certain curvature, and is easy to install and integrate with external mechanisms.

The application discloses an outer cabin structure for an underwater vehicle, which includes an outer shell and a hard frame; the overall outer shell is a flat horizontal hexagonal prism structure; the two V-like ends of the horizontal hexagonal prism structure respectively form a bow The outer peripheral surface of the shell is provided with a raised skirt along the horizontal direction; the hard frame is detachably arranged in the middle part of the shell. Through this shell structure design, the rolling stability can be significantly improved under the premise of increasing the lift-to-drag ratio, and the accuracy of data collection can be ensured. Moreover, it also has the advantages of stronger navigation maneuverability, more advantageous lift-to-drag ratio, and a certain recovery force when it is not expected to pitch, which can save propulsion or control energy and increase the cruising range. It can also meet the space requirements of the internal loading as much as possible, and realizes the modular design as a whole, which is convenient for overall dismounting and hoisting, and is convenient for maintenance and replacement. At the same time, the rigid frame can also play a supporting role to strengthen the mechanical strength of the overall structure and resist greater external pressure.