31results about How to "Good environmental adaptability" patented technology

The invention discloses a Bacillus amyloliquefaciens CB-019 for producing surfactin. The above strain is preserved in China General Microbiological Culture Collection Center with the preservation number of CGMCC No.11950. A method for fermenting the strain and preparing a biochemical oil displacement agent is simple and is easy to implement, and the prepared biochemical oil displacement agent has good environment adaptability, and can keep high surface interface vitality and crude oil emulsification viscosity reduction ability; and the strain also can degrade petroleum, guar gum and other high-molecular polymers, and can be applied to treatment of oil-containing sewage, backflow fracturing fluids and polymer-bearing wastewater. The Bacillus amyloliquefaciens CB-019 has important promotion and application values in the fields of microbial oil extraction and environment restoration.

The invention discloses an intelligent laying and recovery device for an unmanned ship. The intelligent laying and recovery device for the unmanned ship comprises a hoisting and tracing mechanism and a clamping device for a center lifting point of the unmanned ship. The hoisting and tracing device comprises four vector frequency conversion fans, a rapid ejection telescopic rod assembly, a laser indicator lamp, a camera, a laser rangefinder, a spotlight indicator lamp, and a butt-joint locking and unlocking sensing head; a lifting hook connected with a mother ship is arranged on the upper portion of the rapid ejection telescopic rod assembly, and a cross-shaped fixing frame is mounted on the lower portion of the rapid ejection telescopic rod assembly; the four vector frequency conversion fans are fixed to the cross-shaped fixing frame on the lower portion of the rapid ejection telescopic rod assembly, two vector frequency conversion fans for providing horizontal tracing power are arranged at the X-axis and the Y-axis; the laser indicator lamp, the camera, the laser rangefinder and the spotlight indicator lamp are correspondingly fixed through a mounting frame at the tail of the rapid ejection telescopic rod assembly; the camera is provided with X-axis and Y-axis scales, and the vector frequency conversion fans correspond to the directions of the X-axis and Y-axis scales in the camera separately; and the butt-joint locking and unlocking sensing head is mounted in a groove at the rear end of the rapid ejection telescopic rod assembly.

The invention provides a WLAN indoor tracking method based on a particle filtering algorithm, and relates to a WLAN indoor tracking method, and solving the problem that the tracking precision is reduced caused by the nolinear model when tracking a dynamic object in the indoor environment. The method comprises the following steps of: building signal intensity probability distribution of an off-line stage with the signal intensity value of a reference point, defining the reference point which has the shortest Euclidean distance with a particle point, taking the reference point as a particle point correcting valve to obtain each particle point and weight values corresponding thereto, and obtaining the estimated value of the position of the user after updating the weight value with a resample arithmetic. The method is suitable for the WLAN indoor tracking.

An infrared distance measurement collision avoidance method and terminal. The method comprises: turning on an infrared distance measurement module when the moving speed of a user of a hand-held terminal is detected to be higher than a set threshold value and the setting application on the terminal is turned on; adjusting the infrared distance measurement module according to a current inclination angle of the terminal relative to the horizontal position, so as to enable the axis of the detection direction of the infrared distance measurement module to be parallel to the ground; controlling the infrared distance measurement module to detect the distance between an obstacle around the user and the user and / or the moving speed of the obstacle; outputting an alarm prompt according to the distance, and the moving speeds of the user and / or the obstacle. The invention also discloses the corresponding terminal. The infrared distance measurement collision avoidance method and terminal disclosed by embodiments of the invention have good adaptive capacity to environment, can adjust the detection direction with self-adaption, thus reduces, to the maximum extent, potential safety risk for users caused by using the hand-held terminal when walking, and prevents users from accidental injury.

The invention discloses a plane array infrared detector chip of a liquid crystal-base electronic speed controller imaging spectroscopy. The plane array infrared detector chip comprises a ceramic housing, a spectral infrared imaging detection framework and a metal radiating plate, wherein the spectral infrared imaging detection framework is arranged in the ceramic housing and comprises a drive control and image pre-processing module, a plane array uncooled infrared detector and an electronic speed controller imaging spectroscopy liquid crystal module; the drive control and image pre-processing module, the plane array uncooled infrared detector and the electronic speed controller imaging spectroscopy liquid crystal module are coaxially and orderly arranged; the electronic speed controller imaging spectroscopy liquid crystal module is used for receiving a target infrared incident light, and extracting a spectral infrared light in the infrared incident light through multi-stage secondary reflecting interference coherence and transmitting to the plane array uncooled infrared detector, and the plane array uncooled infrared detector is used for carrying out photoelectric conversion on the spectral infrared light to generate an electric response signal. The plane array infrared detector chip has the characteristics that the plane array infrared detector chip is compact in structure, rapid in imaging spectroscopy response, high in spectral imaging detection efficiency, easy to be coupled with other optical / photoelectric / mechanical structures, and good in environmental adaptability, and random spectrum cutting, gazing or skipping can be executed.

The invention is applicable to the field of climbing robots, and provides a flexible creep climbing robot. The robot comprises two guiding assemblies, two open clamping assemblies, main springs and driving assemblies; the two open clamping assemblies clamp a cable and can make open and close movement in the radial direction of the cable; the two guiding assemblies are mounted at the two opposite outer sides of the two open clamping assemblies respectively, always clamp the outer edge of the cable and can be elastically retracted in the radial direction of the cable; each main spring is connected to the two opposite inner sides of the two open clamping assemblies, one end of each main spring is fixedly connected with one open clamping assembly, the other end of each main spring is in screwconnection with the corresponding driving assembly, the driving assemblies are fixed on the other open clamping assembly and drive the main springs to rotate, and the main springs are correspondinglyelongated or shortened along with the rotation of the driving assemblies. The robot can adapt to cables different in diameter, can easily cope with the environment of the cable with a curvature and ishigh in environmental adaptability.

Disclosed is a method for embedding optical fiber sensors in an aircraft cabin. A plurality of longitudinal grooves and a plurality of transverse grooves are formed in the surface of the aircraft cabin in advance, longitudinal cabin inlets are reserved in the two ends of the aircraft cabin, transverse cabin inlets corresponding to the transverse grooves one to one are formed in the circumference of the aircraft cabin, the multi-path optical fiber sensors are distributed in the multiple longitudinal grooves and the transverse grooves, the grooves are filled with glue and fixed, and then the optical fiber sensors can be embedded in the surface of the aircraft cabin. The multi-path optical fiber sensors pass through the corresponding longitudinal cabin inlets and the transverse cabin inlets, then enter the aircraft cabin, are gathered at the two ends of the cabin to form optical fiber bundles, are integrated to an optical fiber connector and then are connected with an information collection device or communicated with an adjacent cabin. By the method, the optical fiber sensors can be embedded in the surface of a single-cabin or multi-cabin butt joint type aircraft, an optical fiber sensing and detecting network is achieved, the mechanical property and damage situations of the aircraft cabin can be monitored comprehensively, and the method has the advantages that reliability is high and operation is easy.

The invention discloses a monitoring instrument and method for deformation of tunnel surrounding rocks. Displacement transmission rods of the monitoring instrument include a steel bar and multiple layers of steel pipes, wherein the steel pipes are sleeved on the steel bar, and the lengths of the steel pipes decrease layer by layer; steel rings are respectively welded at a position 10cm from the top of the steel bar, the tops of the steel pipes, and positions 10cm from the tops of the steel bars; a PVC (Polyvinyl Chloride) plastic pipe is sleeved on the exposed portion, which is not embedded into the adjacent steel pipe, of each steel pipe, and the PVC plastic pipe abuts against the top of the adjacent steel pipe; and the tail end of the PVC plastic pipe of the outermost steel pipe is equipped with an external sleeve, a probe is welded at the top of the external sleeve, measuring holes are formed in the probe, the number of the measuring holes equals that of the displacement transmission rods, and the size of measuring holes is consistent with that of a measuring rod of an electronic indicating gauge. According to the invention, the displacement transmission rods make point-to-point contact with the rocks, thereby ensuring firmness of the different contact points, preventing the displacement transmission rods from being disengaged from the rocks, and reducing the influence of the monitoring instrument on the rock displacement result to the largest extent. The monitoring instrument and method of the invention have good environmental adaptability, and operation is simple.

The invention discloses a high-mechanical-strength, high-environmental-adaptability, large-area-suspension and atomic-thickness graphene / boron nitride composite heterogeneous film transferring methodand aims to solve problems of large quantity of pores and creases and failure in tight adhesion of a film and a sample substrate in application of a traditional film transferring process. The technical scheme includes that after the film is transferred to the sample substrate, low-temperature natural dewatering and drying are performed, high-temperature dewatering is avoided, and bubbles generatedby a water film between the film and the substrate are prevented; in a sample temperature-controlled baking temperature-rise period, soft baking is performed after the temperature rises slowly to about 50 DEG C, and then, slow temperature rise continues to reach a glassy state critical temperature of a film supporting macromolecular material; in a sample temperature-controlled baking temperature-fall period, the temperature falls slowly to the room temperature, and quick cooling to the room temperature is forbidden; finally, the macromolecular supporting material on the film surface is washedoff. The problems of large quantity of pores and creases and failure in tight adhesion of the film and the sample substrate in application of the traditional film transferring process are solved, andthe film material transferring product yield is increased.

The invention discloses thick oil-degrading bacteria and application thereof. The bacterial strain is Acinetobacter sp. GS02 collected by China Center for Type Culture Collection on July 8, 2010, with the collection number of CCTCC M 2010172. The bacterial colony of the bacteria is round, has smooth protrusions and neat edges, is off-white and has viscosity. The bacteria are sporeless coccobacillus when observed under an electron microscope. The bacteria have the biological characteristics of oxidase negative, catalase positive, gram stain negative, no fermentation and obligate aerobe. The bacterial strain has good effect of removing alkane components, nonbiodegradable pristine and phytane in thick oil, and has high-efficiency thick oil removal rate and good adaptive capacity to environment compared with other bacterial strains. Based on the characteristics, the bacteria can be well applied to the restoration of thick oil-polluted water and soil.

The invention relates to a marine moisture-proof and corrosion-proof power cable. The power cable comprises a plurality of coaxial conductors. The conductors are distributed at the periphery and the center of a cable core. An insulating layer and a shielding layer are arranged outside the conductors to form an insulated conductor core. A composite waterproof warping tape is extruded outside the insulated conductor core to form the cable core. A metal corrosion-proof layer is arranged outside the cable core. A water-blocking layer is arranged outside the metal corrosion-proof layer. A sheath layer is arranged outside the water-blocking layer. The marine moisture-proof and corrosion-proof power cable is simple in structure, good in environment adaptability, water-blocking, moisture-proof, resistant to seawater corrosion, convenient to machine, and long in service life.

The invention relates to a test platform and a test method for an electromagnetic acceleration counterweight impact compression buffer tube, belongs to the technical field of impact compression tests,and solves the problems of large installation space, small speed range, poor initial speed controllability in front of an impact buffer tube, poor attitude stability in the impact process and low test efficiency of the existing drop hammer testing machine and drop hammer testing tower. The test platform comprises a control system, a mounting base, an electromagnetic ejection system, a counterweight impact system, a support guide device and a buffer tube mounting platform; the control system is used for controlling the test platform; the mounting base is horizontally arranged, and the electromagnetic ejection system is arranged on the mounting base and used for accelerating or decelerating the counterweight impact system in the horizontal direction; and the buffer tube mounting platform isarranged in front of the ejection direction of the electromagnetic ejection system. According to the invention, the required installation space is smaller, the environmental adaptability is better, the safety of personnel is prevented from being damaged by accidental falling of the drop hammer in the test process through the horizontal test, and the test safety is improved.

The invention relates to the technical field of biology, in particular to a preparation method and application of carboxypeptidase A with a function of degrading ochratoxin A. The invention disclosesthe encoding gene of the mature peptide of the beef pancreas gland carboxypeptidase A optimized by specific codons, an expression vector and a host of the encoding gene and the preparation method of the carboxypeptidase A. The amino acid sequence of the mature peptide of the carboxypeptidase A is shown in SEQ ID NO.1; the nucleotide sequence of the encoding gene of the mature peptide of the beef pancreas gland carboxypeptidase A optimized by the codons is shown in SEQ ID NO.2. Abundant expression of the carboxypeptidase A is achieved by using a pastoris picha yeast expression system, the carboxypeptidase A prepared by using the method has biological catalytic activity without treatment and can effectively and stably degrade the ochratoxin A, moreover, the activity of degrading the ochratoxin A can be stably given play to in different environments, and the carboxypeptidase A can be used for treatment of products contaminated by the ochratoxin A in practice.

The invention discloses a special portable bag for an AED (Automatic External Defibrillator). The portable bag comprises an upper shell assembly and a lower shell assembly; heating layers are arrangedon the inner layers of the upper shell assembly and the lower shell assembly; and a constant temperature device is arranged in the portable bag and is connected with the heating layers through heating electrodes to heat the interior of the portable bag. The constant temperature device is arranged in the portable bag for the AED, and comprises a control module, a temperature measuring module, a heating module and a power supply; the environmental adaptability of the AED is better, and the AED can be always in a normal standby state even in a low-temperature environment, so that preparation ismade for rescue all the time; the AED is more convenient to carry and high in safety, and the service life of the defibrillator is prolonged; and the portable bag is low in manufacturing cost and widein application range and can be applied to various occasions.

The invention belongs to the field of polymer materials, and particularly relates to a preparation method for a polyetheretherketone composite ultrasonic motor alloy friction material. In order to achieve a friction material with high stalling torque and capability of stably operating, a matrix material formula is designed, the influences of different contents of polyetheretherketone, polybenzoate, polytetrafluoroethylene, nano silica and molybdenum disulfide on the stalling torque, no-load speed, motor efficiency, thermal conductivity, mechanical properties and frictional property of a motorare studied, ultimately, a wear-resistant material formula with excellent properties is obtained, and the high-property wear-resistant material is prepared.

The invention discloses an LCD type helmet display driving circuit based on an FPGA. The functions of video signal decoding, video signal processing, brightness adjustment, temperature control and the like are achieved. The LCD type helmet display driving circuit comprises an FPGA control module, a video decoding module, a communication module, an LED backlight driving module, a heating control module, a D / A conversion module, a power supply module, an interface card, an LCD screen and an LED backlight board. The FPGA control module is respectively connected with the video decoding module, the communication module, the LED backlight driving module, the heating control module, the D / A conversion module and the power supply module. The LCD type helmet display driving circuit solves the problems that power consumption is too large and the board area is too large due to a conventional MCU+ASIC chip system scheme. Due to the parallelism of the FPGA implementation process, the reliability of the program execution process is greatly improved. The complexity of design and the purchase difficulty of chips are simplified. The LCD type helmet display driving circuit has the advantages of being high in resolution, high in brightness, low in power consumption, small in size, good in environment adaptability and the like.

A GPU board for VPX and a VPX signal processing chassis using the board are disclosed. The board includes a PCIE to SRIO conversion module, a GPU module, an Ethernet switching module, and a VPX connector. The invention can meet the requirements of high-performance data transmission and processing, and has the advantages of reinforcement, miniaturization and good environmental adaptability, and isespecially suitable for application scenes which require high-performance parallel information processing and have high requirements on size, power consumption, environmental adaptability and reinforcement index.

The invention relates to the technical field of power pipelines, in particular to a corrosion-resistant anti-aging MPP power pipe with a self-repairing function, which comprises a pipeline main body and an isolating layer, the pipeline main body is a modified polypropylene layer, and the inner side of the modified polypropylene layer is sequentially connected with a lining layer and an insulating coating; an outer lining layer, a reinforcing layer and an anti-corrosion coating are sequentially connected to the outer side of the modified polypropylene layer, an inner repairing ring is fixedly installed in the pipeline body, a pipeline self-repairing structure with a vibration sensing function is installed in the inner repairing ring, and a check ring is fixedly connected to the pipeline body. The isolating layer is fixedly connected with an isolating layer self-repairing structure with a heat sensing function; and according to the MPP electric power pipe, the structural level improvement of the single-material MPP electric power pipe is carried out, the pipeline self-repairing structure and the isolation layer self-repairing structure are arranged at the connecting end of the pipeline, the problem of pipeline aging corrosion is solved in time, and the service life of the electric power pipe is prolonged.

The invention discloses an underwater water noise removal calculation three-dimensional imaging method. The method comprises the steps of using a pulse laser for underwater illumination; adopting a gating image sensor to collect the image information; obtaining a reference water body noise map and an interested information frame image by controlling the delay between the laser pulse and the gatingimaging device; obtaining a background noise map of a system by turning off a laser, then obtaining a water body depth noise map through calculation, obtaining a denoised information frame image through the difference between the interested information frame image and the water body depth noise map, and finally realizing the three-dimensional reconstruction of denoised water body noise through adistance energy correlation algorithm. According to the method, by obtaining the water body depth noise map, a target-containing area and a target-free area in the underwater gating image can be accurately denoised, the denoised two-dimensional image is obtained, and the denoised three-dimensional image is obtained through further calculation, so that the method has the advantages of being good inadaptability and high in practicability.

The invention relates to the technical field of adhesive preparation, in particular to an ablation type sealing silicone rubber adhesive and a preparation method thereof. According to the ablative sealing silicone rubber adhesive, methyl biphenyl room temperature vulcanized silicone rubber, fumed silica, talcum powder, a silane coupling agent and methylbenzene are adopted as raw materials, tetraethoxysilane is adopted as a cross-linking agent, and dibutyltin dilaurate is adopted as a catalyst. Through reasonable proportion design, the surface of a component is coated with the adhesive, and after the adhesive is cured at normal temperature, an adhesive layer with excellent ablation resistance, adhesive performance and environmental adaptability can be formed; the elongation at break of the adhesive reaches 168%, the shear strength at the normal temperature reaches 1.63 MPa, the shear strength at the high temperature (300 DEG C) reaches 0.28 MPa, all the other indexes meet the standard requirements, and the engineering application requirements of aircraft products can be met.

The invention is applicable to the field of cotton planting, and provides a precise sowing and fertilizing machine for cotton. The precise sowing and fertilizing machine comprises a rack body and further comprises a seeding and fertilizing pipe, a seeding and fertilizing box and a soil covering mechanism, wherein the seeding and fertilizing pipe is slidably installed on the rack body on the rear side of a furrow plough in a matching mode, a supporting and lifting mechanism used for driving the seeding and fertilizing pipe to ascend and descend and supporting the seeding and fertilizing pipe is further installed on the rack body, the sowing and fertilizing pipe is used for conveying seeds into a groove formed by the furrow plough and conveying a fertilizer to the periphery of the seeds, the seeding and fertilizing box is installed at the upper end of the seeding and fertilizing pipe, a seed and fertilizer controlling and conveying mechanism for controlling and conveying seeds and fertilizers to the seeding and fertilizing pipe is further installed in the seeding and fertilizing box, the soil covering mechanism is installed on the rack body on the rear side of the seeding and fertilizing pipe, and the soil covering mechanism is used for covering soil on the grooves after seeding and fertilizing. According to the precise sowing and fertilizing machine, the seed quantity and the fertilizing quantity are convenient to control, the sowing and fertilizing effects are good, and the sowing and fertilizing precision and efficiency are improved.

The invention discloses a breeding method for golden cicadae by original ecological stereoscopic planting. The breeding method for golden cicadae by original ecological stereoscopic planting comprisesthe following steps: S1, planting trees with the density being 5000-10000 per mu on sandy soil; S2, excising at least parts of trunks of parts of trees to ensure that the photosynthesis among the planted trees is not affected and the trees can still grow; S3, providing branches containing golden cicada eggs, and hatching the golden cicada eggs; S4, vertically inserting the branches into the surface of the sandy soil or suspending the branches on branches of the trees when two pink dots at the heads of the golden cicada eggs are observed to turn into black to ensure that the hatched golden cicada larvae enter the sandy soil; and S5, harvesting the golden cicadae when the golden cicadae grow up from the golden cicada larvae and come out of the ground.

The invention discloses a volume Bragg grating wavelength beam combiner based on photo-thermal refractive glass and a preparation method thereof, and the preparation method comprises the steps: constructing the channel parameters of a volume Bragg grating in the beam combiner through a coupling wave theory and a vector circle method, then according to a double-beam interference principle, obtaining an interference included angle of the two beams of recording light in the medium and obtaining incident angles thetaoi'and thetari 'of the two beams of recording light in the medium; then calculating to obtain incident angles thetaoi and thetari of the two beams of recording light outside the medium; finally, the photo-thermal refractive glass is exposed based on the incidence angles theta oi and theta ri, and a volume Bragg grating channel corresponding to the wavelength lambda w is written; after the volume Bragg grating is subjected to thermal development treatment, two light-passing surfaces are subjected to crystal polishing and then plated with antireflection films, and the volume Bragg grating wavelength beam combiner is manufactured. The volume Bragg grating wavelength beam combiner prepared by the invention has the advantages of simple and compact structure, high environmental adaptability, high aging resistance and high laser damage resistance, and can meet the requirement of high-power laser wavelength beam combination.

The invention discloses a composite functional bacterial agent for in-situ remediation of contaminated soil by using pseudomonas stutzeri as a carrier and application of the composite functional bacterial agent, the composite functional bacterial agent comprises pseudomonas stutzeri VTCQ-1 and pseudomonas aeruginosa VTS-1, the preservation number of the pseudomonas stutzeri VTCQ-1 is CGMCC24469, the preservation number of the pseudomonas aeruginosa VTS-1 is CGMCC2200, the preservation number of the pseudomonas stutzeri VTCQ-1 is CGMCC24469, and the preservation number of the pseudomonas aeruginosa VTS-1 is CGMCC2200. Wherein the pseudomonas stutzeri VTCQ-1 is used as a carrier of the pseudomonas aeruginosa VTS-1. According to the characteristics that the specific surface area of a bacterial colony of the pseudomonas stutzeri VTCQ-1 is large and a large and stable attachment place can be provided for other bacteria, the pseudomonas stutzeri VTCQ-1 and the pseudomonas aeruginosa VTS-1 are subjected to mixed culture, the survival rate of the pseudomonas aeruginosa VTS-1 can be increased, the prepared composite functional bacterial agent can improve the degradation efficiency of hydrocarbons in soil, and the degradation efficiency of the hydrocarbons in the soil is improved. The hydrocarbon polluted soil treatment period is greatly shortened, and the diversity and durability of soil microorganisms are maintained.

A bias beam occultation GNSS antenna disclosed by the present invention comprises an antenna unit, the antenna unit comprises a first layer dielectric plate, a second layer dielectric plate, a third layer dielectric plate, a fourth layer dielectric plate and a metal base plate, the first layer dielectric plate is printed with a first microstrip patch, the first layer dielectric plate is provided with a plated-through hole, and the second layer dielectric plate is printed with a second microstrip patch. A first microstrip patch is printed on the first dielectric plate, a second microstrip patch is printed on the second dielectric plate, a gap is formed in the second microstrip patch, a feed network is arranged on the third dielectric plate, and the fourth dielectric plate and the third dielectric plate are attached to form a strip line feed network. The first-layer dielectric plate, the second-layer dielectric plate, the metal bottom plate, the third-layer dielectric plate and the fourth-layer dielectric plate are sequentially stacked from top to bottom, the first-layer dielectric plate and the second-layer dielectric plate are arranged in an array mode, and each column of the first-layer dielectric plate and the second-layer dielectric plate are rotationally arranged at a fixed angle difference. According to the invention, antenna beam deflection is realized through a space phase shift method of rotating an array element angle. The cost is low and the environmental adaptability is good.

The invention provides a system and a method for automatically compensating zero offset of a gyroscope after a servo platform is powered on. The system and the method can realize unmanned high-precision zero offset compensation of the gyroscope under a variable environment of the servo platform. According to the invention, the automatic compensation of the servo platform for the zero offset of the gyroscope can be realized, the servo platform enters a positioning state under the closed loop of the angle sensor after the servo platform is powered on and completes self-inspection, and the controller collects the output value of the gyroscope and performs mean value calculation in the state to obtain a compensation parameter, and the compensation parameter is automatically stored. According to the method for automatically compensating the zero offset of the gyroscope, the zero offset of the gyroscope of azimuth, pitching and rolling shafts can be compensated in different environments, the environment adaptability is good, the compensation efficiency is high, and no manual operation is needed. Meanwhile, the zero offset of the gyroscope changes in different environments, the compensation parameters can be updated in different working environments without depending on unique parameters, and the stability of the servo platform in various environments can be optimal.

The invention discloses a self-following method and an automatic following device. The automatic following method comprises the following steps of S1, establishing connection between a signal receiving base station on the automatic following device and a signal sending module to be followed, S2, acquiring a received signal intensity value sent by the signal sending module in real time through a signal receiving base station, S3, controlling the automatic following device to drive the signal receiving base station to move along the circular track in the horizontal direction, acquiring all signal intensity values under the circular track, finding out the maximum value of the signal intensity values and the position of the signal receiving base station on the circular track when the maximum value is found out, and using the orientation of the position as the following direction of the automatic following device, and S4, repeating the step S3, and controlling the automatic following device to follow the signal sending module. The automatic following method and the unmanned aerial vehicle can meet the low-speed following requirement, and have the advantages of being low in implementation cost, good in environmental adaptability and the like.

The invention discloses a vehicle electronic whistling horn control circuit having temperature compensation and a compensation method. A common vehicle whistling horn does not adopt the temperature compensation, so when a horn temperature and an environment temperature change, the vehicle horn cannot obtain better environment adaptability. The vehicle electronic whistling horn control circuit having the temperature compensation comprises a controller (1), a driving circuit (2), a horn system (3) and a temperature compensation circuit (4); the controller is connected with the driving circuit; the driving circuit is connected with the horn system; the controller and the temperature compensator are formed into a temperature compensation system; the controller sends corresponding pulses to pass through the driving circuit; and the driving circuit drives the horn system. The vehicle electronic whistling horn control circuit having the temperature compensation and the compensation method disclosed by the invention are applied to the vehicle whistling horn.

The invention relates to the technical field of solar batteries, in particular to a vehicle-mounted wind energy and solar energy storage battery with a safety reset function. The storage battery comprises a machine body, fixing frames are fixedly arranged on the lower end wall of the machine body in a front-back and left-right symmetrical manner, the left and right fixing frames are fixedly arranged on a vehicle roof fixing frame which is arranged in a front-back symmetrical manner through bolts, the vehicle roof fixing frame is fixedly arranged on the upper end wall of a vehicle roof, an air inlet pipe with a leftward opening is arranged on the left side of the machine body, and an air inlet filter screen is fixedly arranged on the left end wall of the air inlet pipe. The vehicle-mounted wind energy and solar energy storage battery with the safety reset function is provided with a wind power generation device and a photovoltaic power generation device, wind power generation and photovoltaic power generation can be carried out at the same time in the advancing process of the vehicle, the equipment can be opened when the vehicle is parked, a photovoltaic panel is unfolded to carry out large-area photovoltaic power generation, and meanwhile, the photovoltaic panel can be withdrawn to prevent damage when the wind power is too large; the storage battery has diversified functions, is good in environmental adaptability, and can be widely popularized and applied.