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 relates to the technical field of calcinators, and specifically relates to a medium-frequency heating calcinator. The medium-frequency heating calcinator comprises a calcinator body, a supporting mechanism, a feeding mechanism, a discharging bin, a temperature control system and a cooling system; the calcinator body is arranged on the supporting mechanism; a feeding opening and a discharging opening are respectively arranged in two ends of the calcinator body; the feeding mechanism is arranged at the feeding port in one end of the calcinator body, and while the discharging bin is arranged at the discharging port in the other end of the calcinator body; a medium-frequency sensing heating device is arranged at the outer part of the calcinator body. The medium-frequency heating calcinator is uniform to heat and easy to be controlled, few impurities are produced, and the produced product is high in quality.

The invention belongs to a measuring device for machining, particularly relates to an automatic blade measuring machine, comprising a vibrating feeding case (20), a measuring case (19), a carriage (1), charging barrel No.1 (16), charging barrel No.2 (17) and a magazine (18), wherein, the vibrating feeding case (20) is provided with a base plate (20-1) and the carriage (1), a delivery flat rack (1-1) and a spiral vibrating plate (2) are arranged on the carriage (1), a feeding controller (2-2) is arranged under the spiral vibrating plate (2), the spiral vibrating plate (2) is provided with a built-in feeding track (2-1), the upward side of the spiral vibrating plate (2) is connected with the left end of a delivery plate (4), one side surface of the delivery plate (4) is provided with an inductor No.1 (3), and the right end of the delivery plate (4) is connected with an inductor base (26) in the measuring case (19). The automatic blade measuring machine improves the efficiency of blade grouping, saves labor and time, and improves the labor productivity.

A double-lifting-appliance bridge crane pivot angle detection system based on a holographic photography technology is used for detecting the pivot angle situation of a double-hoisting double-lifting-appliance bridge crane and comprises trolley mechanisms arranged on cart mechanisms, a pair of lifting appliances, a pair of panoramic photography devices and a pair of signal processing devices, wherein each trolley mechanism comprises a pair of hoisting motors, each hoisting motor drives a pair of lifting ropes through a rotary shaft, the tops of the lifting appliances are respectively connected with one corresponding pair of lifting ropes, each panoramic photography device comprises a panoramic photography head arranged at the top of the corresponding lifting appliance, and each signal processing device is connected with the corresponding panoramic photography device respectively.The double-lifting-appliance bridge crane pivot angle detection system has the advantages that position information located in a three-dimensional space is acquired through the panoramic photography devices, pivot angle information of the bridge crane is obtained through signal processing of a computer, and the detection system is simple in structure, low in price and high in measurement accuracy.

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 a self-adaptive closed-loop feedback control system and method for a silicon resonance pressure sensor, and belongs to the technical field of MEMS pressure sensors. The system comprises a V / F conversion circuit, a silicon resonance pressure core body connected with the V / F conversion circuit, a C / V circuit connected with the silicon resonance pressure core body, a self-adaptive feedback control module and a differentiator which are respectively connected with the C / V circuit, and an AGC circuit connected with the differentiator, wherein the AGC circuit is connected with the self-adaptive feedback control module. Through self-adaptive feedback control, the-90-degree phase difference characteristic of a driving end signal and a detection end signal is met, it is guaranteed that the silicon resonance pressure sensor is not affected by the external environment temperature, the phase-shifting anti-interference capacity is met, and it is guaranteed that the silicon resonance pressure sensor always works in a resonance state; and the influence caused by frequency drift or amplitude fluctuation due to the influence of an external environment is reduced.

The invention provides an anti-freezing environmentally-friendly material yard and a construction method. The anti-freezing environmentally-friendly material yard comprises a heat preservation storing groove for supplying bulk material anti-freezing heat sources and a material yard cover cap for preventing heat and material-unloading dust from being dispersed. The heat preservation storing groove is formed below the grade level surface, the material yard cover cap is arranged above the heat preservation storing groove, and a heat preservation cavity for storing bulk materials is formed. The construction method comprises the following steps that excavation is conducted on the grade level surface to form the heat preservation storing groove; excavated earthworks are subjected to layered compaction and stacking on the periphery of the heat preservation storing groove to form a heat preservation retaining wall; material taking assemblies and a material stacking and conveying assembly are stored at the bottom of the heat preservation storing groove and above the heat preservation storing groove correspondingly; and the material yard cover cap is stored above the heat preservation storing groove, and the bottom of the material yard cover cap is fixedly connected with the retaining wall. The anti-freezing environmentally-friendly material yard and the construction method have the advantages that the heat sources can be continuously supplied, the environmentally-friendly property is good, and cost is low.

The invention discloses a road vehicle detection system by use of fiber sensing. The system comprises a fiber sensing system and a signal processing system. The fiber sensing system comprises a laser. The emission optical path of the laser is provided with a first coupler for introducing laser to two fibers; the rail ends of the two fibers are connected with a second coupler; one output path of the second coupler is provided with a first photoelectric detector; and the other output path is provided with a second photoelectric detector. The signal processing system comprises a difference amplifier connected with the output ends of the first photoelectric detector and the second photoelectric detector. The output of the difference amplifier is connected with a band pass filter; the output of the band pass filter is connected with a DSP module through an AD converter; the output of the difference amplifier and a reference voltage are inputted into a comparator together; and the output of the comparator is also connected with the DSP module. The system provided by the invention employs fibers as sensing devices so that the stability is better, the life is longer, and the system is rarely affected by external factors.

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 relates to an armrest horizontal limiting device, a seat and an automobile. The limiting device comprises a gravity assembly and a ratchet wheel assembly, the gravity assembly is used for controlling unlocking and locking of the ratchet wheel assembly, and the ratchet wheel assembly comprises a ratchet wheel lock disc, ratchet wheel swing teeth, a ratchet wheel swing tooth unlocking rotating shaft and a main shaft; the ratchet wheel assembly comprises ratchet wheel swing teeth and a ratchet wheel lock disc, the ratchet wheel swing teeth are meshed with the ratchet wheel lock disc, the ratchet wheel lock disc is used for controlling a handrail to rotate, the ratchet wheel swing teeth are rotationally connected with the main shaft, the gravity assembly comprises a gravity lock and a gravity lock disc, the gravity lock is fixedly installed on the ratchet wheel lock disc, and the gravity lock is meshed with the gravity lock disc when located at the first position; the gravity lock disc is fixedly connected with the main shaft, and the ratchet swing teeth are rotationally connected around the ratchet swing tooth unlocking rotating shaft. Through cooperation of the gravity assembly and the ratchet wheel assembly, the one-way locking function of the handrail is achieved; and the problem that in the prior art, after a seat backrest rotates, armrests cannot be kept horizontal, and the comfort of passengers is affected is solved.

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 the technical field of flower planting, in particular to a liquid organic medical bacterial fertilizer for preventing and treating flower red spiders and a preparation method.The liquid organic medical bacterial fertilizer for preventing and treating the flower red spiders comprises insecticide, microbial bacteria, chemical fertilizer, organic matter and auxiliaries, andthe liquid organic medical bacterial fertilizer is compounded with the chemical fertilizer and the organic matter to form the liquid fertilizer by utilizing the characteristics of mutual synergy and functional complementation of the insecticide, the microbial bacteria with the pesticide function and bacteria. The invention also provides a preparation method and a use method of the liquid organic medical bacterial fertilizer. Aiming at the defects in the prior art, the invention provides the reliable-performance liquid organic medical bacterial fertilizer for preventing and treating the flowerred spiders and the preparation method, the flower red spiders can be quickly, comprehensively and thoroughly prevented and treated, flower nutrition is scientifically provided, and the flower qualityis improved.

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 belongs to the technical field of battery testing devices, and provides an automatic battery testing device and a battery testing device, which include a general-gauge component for clamping several battery cells, connected to the general-gauge component and used for clamping or loosening. The first driving assembly for opening the battery cell and the photosensitive assembly connected to the general gauge assembly and used to detect the battery cell, and connected to the general gauge assembly and used to drive the battery cell The second drive assembly that moves along the direction perpendicular to the outgoing direction of the photosensitive assembly and the adjustment assembly that is connected to the pass gauge assembly and is used to set the passage limit of the battery cell on the pass gauge assembly; this design can solve the problem of The detection data of the existing detection mechanism is limited, and the detection angle of the detection device and the detection accuracy and efficiency are low.

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.

Provided is an automatic temperature control liquor brewing tank. A heating medium cavity is arranged at the bottom position of a tank body and is provided with a heating medium inlet and a heating medium outlet which are respectively connected with a water inlet and a water outlet of an intelligent heating device to form a circulating pipeline. An electronic thermometer is installed on the tank wall and is connected with the intelligent heating device through data. The automatic temperature control liquor brewing tank has the advantages that the liquor brewing tank is stable and uniform in temperature rise and convenient and accurate to control, brewing temperature conditions can be continuously and stably provided for the liquor brewing tank, the low temperature environment of a liquor brewing workshop can be overcome in the heating process and the temperature keeping process, and the liquor brewing tank is not affected by external factors. The tank is structurally suitable for transformation of various existing liquor brewing tank and is wide in application range and suitable for popularization. In addition, a heating mode is flexible, and the liquor brewing tank is convenient to mount and dismount and low in cost.

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.