52results about How to "Not affected by external factors" patented technology

The invention discloses a vision localization landing tail end-based unmanned aerial vehicle landing method. In the method, a used unmanned aerial vehicle airport consists of a plurality of gate position Markers; each unmanned aerial vehicle obtains Markers in a visual range through a visual module and verifies the ID of each Marker in the visual range, so as to estimate the own position to land accurately. According to method provided by the invention, the unmanned aerial vehicle airport can provide landing services for a plurality of different unmanned aerial vehicles, and provide single-vehicle stopping platforms for various small platforms such as vehicle roofs and balcony lamps, and through a uniform framework, completely autonomous flight landing in the whole unmanned aerial vehicle scheduling can be realized at low cost, so that the method has a good popularization prospect.

The invention discloses a leak detection method for a floating air bag. The leak detection method for the floating air bag is characterized in that the air bag is controlled to leak quantitatively at different leakage rates, an equation: deltaV=alpha0+alpha1(T/P)+alpha2(T/P)2+ ... + alphan(T/P)n, is built according to an ideal air state equation; the leak detection method for the floating air bag comprises: detecting air bag pressure P and air bag temperature T in any state, and then working out the volume deltaV of leak air according to the equation. According to the leak detection method for the floating air bag, leakage can be judged in a simple and rapid manner, and the leakage rate can be concretely detected.

The invention discloses a bearing lubricating waste oil collection system of a wind driven generator. The bearing lubricating waste oil collection system is characterized in that a bearing of the wind driven generator is provided with a plurality of bearing lubricating waste oil outlet holes; communicating pipes are connected in series among the bearing lubricating waste oil outlet holes; the bearing lubricating waste oil outlet holes and the communicating pipes form a bearing lubricating waste oil collection pipeline; and one end of the bearing lubricating waste oil collection pipeline is connected with a bearing lubricating waste oil collection bottle. According to the bearing lubricating waste oil collection system, the waste oil can be periodically and conveniently collected, the labor intensity is reduced, and the influence from external factors is avoided.

The invention relates to the technical field of exposure treatment, and particularly discloses an ultraviolet light exposure system capable of emitting light in parallel. The system comprises a light source module, a condenser, a shutter, a curved mirror, an exposure table and other structures. A two-light-source assembly or a single-light-source assembly is adopted in the ultraviolet light exposure system capable of emitting light in parallel. The invention further provides an exposure machine with the ultraviolet light exposure system capable of emitting light in parallel. According to the ultraviolet light exposure system capable of emitting light in parallel, multiple UV-LED light sources are adopted and all irradiate the condenser, the light focus on the condenser, the UV-LED can emits continuous ultraviolet light, the heat dissipation performance is significantly improved, the parallel light is good in parallelism and high in uniformity, and ultraviolet light transmission is stable and is not affected by external factors, so that the uniformity of the ultraviolet light entering a printed circuit board is ensured, and the exposure quality is improved.

The invention discloses a measuring device for perpendicularity and planeness of a vertical type rail and a measuring method thereof, and belongs to the technical field of measurement of the perpendicularity and planeness. The measuring device for the perpendicularity and planeness of the vertical type rail comprises a measuring unit and a positioning unit. The measuring unit comprises a total station or a theodolite or a gradienter. The positioning unit comprises a measuring rod, a connecting piece and a magnetic base. The measuring rod is fixed to the upper surface of the magnetic base through the connecting piece. The planeness of the bottom face of the magnetic base is smaller than 0.005 mm. The measuring method includes the steps of assembling, absorbing, zero returning, measuring unit position selection, eyepiece observation, adjusting, measuring point replacement and rail debugging. According to the device and the method, the measuring unit and the positioning unit are arranged in a separated mode, the positioning unit achieves accurate positioning through the measuring rod and attraction by the magnetic, and the purpose of accurate measuring of the perpendicularity and planeness in any space without being affected by external factors can be achieved.

The invention provides an explosion-proof and anti-deviation wheel of a vehicle driving at a high speed, which is composed of wheel rim, supporting pipe, supporting foot and expanding ring. A supporttube is fixedly arrange on that rim of the wheel inflation chamber, the support foot is movably arrange in the support tube, the expansion ring is arranged in the groove of the support foot ring, anda sealing ring is arrange between the step opening of the support tube and the support feet. As that tire inflate, the support feet are pressed against the support tube by the air within the tire, seal the opening of the support tube. When the tire is blown out at high speed, the air pressure in the tire disappears instantly, and the supporting foot is thrown out by the wheel rotating at high speed. When the swelling ring is thrown into the ring groove in the supporting pipe, the swelling ring is immediately clamped into the ring groove, and the supporting foot is fixed. At this time, all thethrown supporting feet form a gap circle in the tire to support the tire, so that the tire is not deflected in the driving direction of the automobile.

The invention discloses an intelligent perforating method for laser cutting and a laser cutting device. The method includes the steps of receiving interface parameters input by a user, obtaining position information of a cutting head unit, driving the cutting head unit to move to a to-be-perforated position, performing logical operation on the interface parameters according to a first preset logical rule to obtain perforating parameters of primary perforating, making a driving unit to perform driving operation according to the perforating parameters, obtaining perforating parameters of next perforating according to the perforating parameters of last perforating and a second preset logical rule, judging whether the perforating parameters of next perforating meet ending conditions, and if yes, ending the process, otherwise making the driving unit to perform driving operation according to the perforating parameters until the obtained perforating parameters meet the ending conditions. By means of the method, the interface setting time of an operator can be shortened, meanwhile perforating efficiency is improved, and machining stability is improved.

The invention discloses a power distribution cabinet with an electric leakage early-warning mechanism. The power distribution cabinet comprises a power distribution cabinet body, wherein a groove is formed in the side surface of the power distribution cabinet body; the electric leakage early-warning mechanism is arranged on the groove; fixing grooves are formed in the two sides of the electric leakage early-warning mechanism; accommodating grooves are formed in the upper and lower surfaces of the groove; moving blocks are arranged in the accommodating grooves; racks are arranged on one sides of the moving blocks; clamping blocks are arranged at the ends, away from the accommodating grooves, of the moving blocks; first rotating grooves are formed in one sides of the accommodating grooves; and the front side of the power distribution cabinet body penetrates through the first rotating grooves and is rotationally connected with a rotating shaft through a bearing. The power distribution cabinet with the electric leakage early-warning mechanism has the beneficial effects that the clamping blocks and the fixing grooves are arranged, and the clamping blocks are separated from the fixing grooves to move towards the accommodating grooves through rotation of a rotating handle and cooperation of gears and the racks; and the electric leakage early-warning mechanism can be moved out by holding the handle, so disassembly and assembly are convenient, the operation difficulty of workers is reduced, and the maintenance of the electric leakage early-warning mechanism is facilitated.

The invention relates to a compact spinning pressurizing device which belongs to the technical field of parts of textile machinery and comprises a cradle (1) and a velvet roll spring (4) arranged on the cradle (1), wherein a hole is arranged on the cradle (1). The compact spinning pressurizing device is characterized in that a pressurizing regulating device is additionally arranged on the hole of the cradle (1) and comprises a positioning sheet combining member (3), a spring piece (5), a positioner (2) and a pressurizing sheet (6), wherein the positioning sheet combining member (3) is connected with the hole on the cradle (1) and positioned at the inner side of the positioner (2) as well as connected with the positioner (2), one end of the spring piece (5) is connected with the positioner (2) and the other end is connected with the pressurizing sheet (6). The pressurizing device can ensure that the pressure of the pressurizing sheet to a small roll is not influenced by outside and is basically kept unchangeable.

A sawing wire (1) for use in a wire saw machine, having a wire (2) and cutting beads (3, 3', 3'') arranged thereon, wherein the ends (4) of the wire (2) are connected to one another by a sleeve-like press closure (5), wherein the sleeve-like press closure (5) has a region of reduced rigidity at at least one end (6).

The invention relates to a flat-plate photobioreactor device system. The flat-plate photobioreactor device system comprises a photobioreactor body, an aeration system, an algae liquid circulation system and a spray system, wherein the photobioreactor body comprises a reactor shell, a spray area and reaction areas; n stages of reaction areas are available, n is greater than 1, the n stages of reaction areas are partitioned by inner partition boards, and space is reserved between the inner partition boards and the bottom of the reactor shell, so that algae liquid can enter each reaction area from the spray area; flow guide plates are arranged in the reaction areas along the flowing direction of the algae liquid, and are positioned in the central positions of the reaction areas; space is reserved between the flow guide plates of the n stages of reaction areas and the top of the reactor shell. The flat-plate photobioreactor device system has the beneficial effects that the large-scale application of the microalgae carbon fixation technology can be realized, the problems that the traditional stirring mixing method is poor in mixing effect, and the shear force generated by stirring can severely damage the cellular structure of the microalgae are solved, the sufficient mixing of CO2 and the algae liquid in the photobioreactor is guaranteed, and the CO2 mass transfer rate is improved.

The invention relates to a special full-automatic water spraying device for crops. The device comprises a main pipe, a protective shell is arranged on the outer portion of the main pipe, and the mainpipe is connected with a filter; the filter is connected with an electromagnetic valve, the electromagnetic valve is connected with a flow meter and a temperature and humidity controller, and the temperature and humidity controller is connected with a controller; the controller is connected with a client side, the other end of the temperature and humidity controller is connected with a bipass, anda pressure resisting plate is arranged in the bipass; the bipass is connected with a telescopic rod through a pressurizing pump, an infrared probe is arranged on the telescopic rod, and a spraying head is connected to the top of the telescopic rod through a supporting device and comprises a pipeline; a spiral thread is arranged on the pipeline, the pipeline is connected with a pressurizing chamber, and a filtering screen is arranged at the bottom of the pressurizing chamber; an outlet of the top of the pressurizing chamber is connected with a connecting pipe, a plurality of auxiliary pipes are arranged on the connecting pipe and are uniformly distributed on the same horizontal line, and shells are arranged on the outer sides of the pressurizing chamber, the connecting pipe and the auxiliary pipes, and the auxiliary pipes are connected to small holes in the shells matched with the auxiliary pipes. According to the device, the work efficiency and accuracy are high, full-automatic operation is achieved, and cost is reduced.

The invention discloses a radar level meter which comprises a controller shell, a connecting block is fixedly connected to the bottom end of the controller shell, a supporting plate is fixedly connected to the bottom end of the connecting block, a clamping groove is formed in the inner side of the supporting plate, a plurality of sets of second limiting grooves are evenly formed in one side of theclamping groove, and the second limiting grooves are fixedly connected with limiting blocks through first positioning blocks; according to the radar level meter, a worker rotates the supporting frame, the supporting frame is connected with the second positioning block in a clamped mode through the sliding groove, the supporting frame drives the connecting ring to move out from the limitation of the sliding groove, the connecting ring drives the first positioning block to move out from the limitation of the second limiting groove, the first positioning block is limited by the clamping groove,and the spring is in an elastic deformation state to pull the supporting frame; the connecting ring is connected with the clamping groove in a clamped mode, so that the supporting frame is moved out of the supporting plate, the operation of replacing the supporting structure is completed, the damaged supporting frame can be replaced conveniently, supporting structures of different detection sitescan be installed conveniently, and the application range of the device is widened.

The invention discloses a strain-gauge connecting fixing device for a test-piece elasticity modulus test. Multiple wiring terminals are fixedly arranged at fixed positions of a collet, and the signaloutput ends of all wiring terminals are connected with the signal input ends of external testers through wires. According to the strain-gauge connecting fixing device for the test-piece elasticity modulus test, a connecting mode adopts pressure-embedded wires, and compared with welding wires, the pressure-embedded wires are simpler and more convenient and capable of saving more time, and connection can be completed in one minute; the problem that the wires are arranged disorderly and pull strain gauges is completely solved; 8 wires are fixedly arranged in pairs, and convenience is provided forfinishing of later instrument-test output numerical values. Connection operation time is greatly shortened, the strain gauges can be connected with the wires only by pressing buckles through one step, the whole process can be completed in one minute, and testers do not need the welding technology and can complete the whole process. The problem that mutual interference exists between the strain gauges and the connecting wires is solved, and it is avoided that due to the dead-weight problem of the wires, the test process is interfered, and the strain gauges are pulled bad. According to the strain-gauge connecting fixing device for the test-piece elasticity modulus test, it can be completely guaranteed that the test process is not influenced by external factors.