54results about How to "Easy to carry in the field" patented technology

The invention discloses a solar panel with improved heat radiation performance. The solar panel comprises a front panel, a back panel and a solar battery circuit arranged between the front panel and the back panel. The back panel is provided with a second main surface adjacent to the solar battery circuit, and a first main surface contacted with the ambient condition. The solar panel is characterized in that the first main surface is provided with a plurality of surface bulges.

The invention relates to a true three-dimensional aerial remote sensing geological interpretation method in engineering geological investigation. In interpretation measures, aerial remote sensing images are generally interpreted based on a stereoscope interpretation mode of papery black and white image pairs, in most of the interpretation measures, only stereoscopic observation interpretation in fixed scale is performed on the aerial image pairs, interpreted target image pairs are difficult to position and search, rendition of interpretation result is complex and inaccurate, and effective utilization of the aerial remote sensing images is constrained. In the method, aiming at a digital photogrammetry single stereoscopic image pair, a digital remote sensing geological true three-dimensional interpretation environment is created, so that a remote sensing geological interpretation method is improved, and accuracy of extraction of geological information is improved. With the method provided by the invention, the transformation from a two-dimensional plane to the three-dimensional environment in the geological information interpretation process is implemented; in the geological information interpretation process, a full digital interpretation environment is implemented; the three-dimensional environment is created based on a red-and-blue glasses mode, requirements on software and hardware environments are simplified, hardware devices are portable for field operation, and convenience for field work is also improved.

The invention discloses a multi-depth multi-index soil property detection rod. The detection rod comprises a protective pipe (1) and a long rod (2). The long rod (2) is inserted into the protective pipe (1). A probe (3), a sensor chamber (4) and a stress piece (5) are installed inside the protective pipe (1). A pushing block (7) is installed below the stress piece (5). A micro-sensor is placed into the sensor chamber (4) and connected with the probe (3). A spring is connected between the micro-sensor and the stress piece (5). An adjusting bolt (8) and a handle (9) are installed at the tail of the long rod (2). The head and the tail of the protective pipe (1) are provided with a head threaded joint (10) and a tail threaded joint (11) respectively. Different-depth multi-index measurement can be performed so as to adapt to multi-depth multi-index detection tasks, and meanwhile the detection rod is easy to carry and operate, high in maneuverability and quite suitable for field application.

The present invention provides a microporous MEMS acoustic array sensor and a use method thereof. The sensor comprises an MEMS acoustic array, an acoustic signal preprocessor, a microcontroller and a microprocessor connected in order. The MEMS acoustic array comprises multiple MEMS microphones which are in central symmetry and uniform distribution. The acoustic signal preprocessor comprises multiple paths of filters which are correspondingly connected to the MEMS microphones one to one and a multi-channel gain adjustment module which is connected to each filter. The microcontroller comprises an AD conversion module and an anti-false-alarm module which are connected mutually. The microprocessor comprises a target detection module, a signal enhancement module, a classified identification module and a DOA estimation module connected in order. The sensor of the invention has the advantages of low power consumption, a small size and light weight.

The invention provides a handheld power generating device which comprises arc rotary handles, a rotating shaft, rotation transmission levers, gears and a miniature generator. The handheld power generating device is characterized in that the arc rotary handles do lever motion with the rotating shaft as the central fulcrum under the effect of manual external force; racks on the levers are engaged with the gears to convert power of the lever motion into the circumferential motion of the gears; the gears which do the circumferential motion drive the miniature generator to generate power. The invention further provides a handheld power-generating type multifunctional clipper which is driven on the basis of the handheld power generating device, and the multifunctional clipper has the advantages of saving energy, protecting the environment and avoiding exhaust gas emission. An electric staggered type clipper head is adopted by the clipper, grass collecting uniformity is high, and the completeness of a grass sample can be guaranteed in the cutting process; in addition, compared with a traditional manual clipper, the multifunctional clipper can shear wool of sheep by being attached to the bodies of the sheep, and the clipping effect is attractive.

The invention discloses a portable air conditioner. The portable air conditioner comprises a main machine shell and a control plate arranged in the main machine shell. An integrated air cooler, a micro compressor and an integrated radiator are linearly arranged in the main machine shell from front to back and are connected through a pipeline in a circulating mode. The pipeline is internally provided with a refrigerant. According to the portable air conditioner, not only are all the functions of a conventional household air conditioner achieved, but also the weight and the size of the air conditioner are greatly reduced.

The invention discloses a sampling method and device for carbon isotopes in water. The method includes the steps that firstly, a sampling bottle is filled with underground water to be sampled and sealed with a silica gel diaphragm plug underwater; secondly, an alkaline solution and a solution for carbonate sedimentation are sequentially injected to the bottom of the sampling bottle through the silica gel diaphragm plug, the same volume of underground water is sucked out of the upper portion of the sampling bottle, and liquid in the sampling bottle is sufficiently and evenly mixed and stands, so sediments deposit at the bottom of the sampling bottle; thirdly, supernate in the sampling bottle is sucked out through the silica gel diaphragm plug, the sediments are reserved, and meanwhile nitrogen with the same volume as the sucked-out supernate is injected; fourthly, the sampling bottle is frozen till the sediments are frozen, the silica gel diaphragm plug is opened, and the sampling bottle is put in a freezing drier to be dried till solid powder is formed.

The invention discloses an automatic ventilation type balloon emanometer, comprising a main engine, a radon gas collecting chamber and a triangular bracket. The main engine comprises a radon gas sampling device, an automatic gas path converting device and a probe, wherein the radon gas sampling device is used for collecting and filtering radon gas; and the automatic gas path converting device is used for smoothly converting gas paths in a process of pumping or venting gas to a balloon, so that a reversible airflow loop is realized. According to the automatic ventilation type balloon emanometer provided by the invention, the radon gas sampling device and the probe are mounted in the same main engine, and the step of manually replacing the gas paths is omitted through the automatic gas path converting device, so that the leakage of gas in a manual replacement process can be avoided, and the reliability of the balloon emanometer can be improved; and the automatic ventilation type balloon emanometer is mounted on the triangular bracket, so as to be conveniently used outdoors.

The invention discloses a microcomputer electricity, gas and liquid servo joint control field rock-soil mechanics experiment device and method. The device comprises a pneumatic control system, a hydraulic system and an electric control system. A small air compressor provides air power, a bidirectional gas-liquid pressurizing pump is used to convert low air pressure into high liquid pressure whichis provided for three electricity, gas and liquid servo valve and a depressurizing valve through pressure stabilizing, and three different pressures are output at the same time under control of a computer and software. Displacement of an experiment object can be collected synchronously, and a stress-strain relation curve can be displayed in real time. Air pressure and air control elements are adopted to realize servo joint control on high liquid pressure, output pressure is high in accuracy and small in fluctuation, and maximum fluctuation range is smaller than + / -20kPa; three different pressures are output at the same time, output flow is large and free of mutual interference, highest output pressure is 60MPa, and one equipment can meet all projects of a field rock-soil mechanics experiment. The device is simple in structure, convenient to operate and capable of well adapting to field harsh environment.

The invention discloses a rapid disinfection medical appliance for field operations. The rapid disinfection medical appliance comprises a storage module, a disinfection zone and a cutter zone are arranged on the storage module, a disinfection sleeve slot is formed in the disinfection zone, a cutter slot is formed in the cutter zone, a quick disinfection sleeve and a scalpel are inserted into the disinfection sleeve slot and the cutter slot respectively, the quick disinfection sleeve can fulfill the purpose of rapid and complete disinfection of the scalpel through the cooperation of four chambers, a pre-cleaning chamber is used for the initial cleaning and disinfection of the scalpel and removal of surface dust, a disinfection chamber is used for disinfection, a cleaning chamber is used toremove disinfectant residue on the scalpel, and a drying chamber is used for adsorbing and removing physiological saline remaining on the surface of the scalpel. The rapid disinfection medical appliance has the advantages of simple structure and reasonable design, and is convenient for arrangement and utilization of the quick disinfection sleeve and the scalpel. The quick disinfection sleeve is adisposable product, has a small size and regular shape, is ready to use and easy to carry for field operations, and can be used for rapid disinfection of the scalpel.

The invention relates to a portable specimen clamp used for field collection of plant specimens. The problem that a traditional specimen clamp is inconvenient to use and not easy to carry after collection of plant specimens is effectively solved. Upper wire rope grooves which are symmetric front and back are formed in the front and back sides of an upper clamping and pressing plate, the tail ends,stretching into the upper clamping and pressing plate, of the upper wire rope grooves are enlarged to form circular upper threading holes, and four lower threading holes corresponding to the upper threading holes in the front and back sides of the upper clamping and pressing plate are formed in the front and back sides of a lower clamping and pressing plate; a wire rope penetrates through each upper threading hole and the corresponding lower threading hole, an upper fixing knot is knotted at the portion, outside the upper threading hole, on the wire rope, and the upper threading holes concavein the upper clamping and pressing plate are clamped by the upper fixing knots to complete fixation; a lower fixing knot is knotted at the lower end, stretching out of the lower clamping and pressingplate, of each wire rope, the lower threading holes in the lower clamping and pressing plate are clamped by the lower fixing knots to complete fixation, middle fixing knots which are uniformly distributed are arranged on the wire ropes between the upper clamping and pressing plate and the lower clamping and pressing plate, and multiple layers of water absorbing paper and herbariums are horizontally arranged between the upper clamping and pressing plate and the lower clamping and pressing plate at intervals.

The present invention discloses a carbon fiber graphite flexible grounding body and a preparation method thereof. The carbon fiber graphite flexible grounding body is of a rope shape and is woven by multiple strands of carbon fiber graphite line. Each carbon fiber graphite line is internally provided with carbon fiber. The preparation method comprises steps of bulking, separating gas from material, paving a bottom graphite film, paving fiber and surface graphite, winding, twisting, weaving, burning out, and shaping. According to the carbon fiber graphite flexible grounding body prepared by the method, woven lines comprising carbon fiber and graphite are crossed, and the grounding body is of a flexible porous structure, and has characteristics of good conductive performance and corrosion resistance. The grounding body can be in multiple shapes according to different weaving processes and molds.

The invention relates to a convenient lake ecological health monitoring method based on phytoplankton communities. The method comprises the following steps of: collecting and sorting related data of corresponding relations between different types of phytoplankton and community compositions and environmental factors, and storing the related data in a central server; collecting a to-be-detected water sample and concentrating, and putting a concentrated sample on the glass slide; shooting the concentrated sample on the glass slide by adopting a microscopic imaging device, and sending a shot picture to a central server; and performing image identification, the by the central server,on the received pictures, judging and counting phytoplankton species in the images, acquiring dominant species and community structure composition information, and comparing the dominant species and community structure composition information with collected and stored data to generate a water quality report. According to the method, sample concentration and picture shooting work can be completed on site, and a large number of water samples do not need to be carried back to a laboratory for treatment. Compared with a traditional phytoplankton identification method, the method has the advantages that the phytoplankton identification time can be greatly shortened, and related results obtained in several days before are shortened to tens of minutes.

The invention discloses a surface stress reliving device for an excavation face of an underground cavern. The surface stress reliving device comprises an outer shell, a stress reliving cutting mechanism, a multi-path strain measuring device, a measuring control unit, and a three-component rectangular strain rosette arranged on a working wall surface, wherein the stress reliving cutting mechanism is arranged in the outer shell and is respectively connected with the multi-path strain measuring device and the measuring control unit, the multi-path strain measuring device is connected with the three-component rectangular strain rosette through a connecting lead wire so as to record change of strain on a working face in a stress releasing process of the stress reliving cutting mechanism on a rock wall, and is connected with a main control box through a communication cable, and the measuring control unit is connected with a computer through a power cable. The surface stress reliving device, provided by the invention, is reasonable in design, the outer shell adopts a hand-held box-type structure, and is small in size, light in weight, and simple and easy to assemble and disassemble, and the surface stress reliving device has the characteristics of convenience for carry in the field, good adaptability and the like.

The invention discloses a carbon fiber graphite flexible ground film and a preparation method thereof. The carbon fiber graphite flexible ground film has a film-shaped structure formed by continuous pressing of expanded graphite, and the carbon fibers are uniformly distributed in the film-shaped structure. The product is membranous and has the characteristics of softness, high plasticity and high tensile strength. The preparation method comprises puffing, gas and material separation, film preparation, wire arrangement, composition, rolling and coiling process. The membranous carbon fiber graphite flexible ground film prepared by the method has the advantages of softness, high plasticity, no falling of graphite sheets, good conductivity, corrosion resistance and a high melting point.

A deicer for outdoor power facilities is characterized by comprising an acetylene cylinder, an air pump, a flow control valve, a mixer, a flame arrester, a generator, an igniter, a handle and a hot gas nozzle, wherein the acetylene cylinder is connected with the mixer through the flow control valve, the air pump is connected with the mixer which is connected with the generator through the flame arrester, the flame arrester is mounted on the generator, and the hot gas nozzle is connected with the generator and provided with the handle. The deicer for the outdoor power facilities has the advantages of simple principle structure, convenience in outdoor carrying and operation, good deicing effect, wide application range and effective removal of accident potential.

The invention discloses a carbon isotope sampling method and device in water. The method comprises: step 1: filling the sampling bottle with groundwater for sampling and sealing the sampling bottle with a silica gel diaphragm plug underwater; step 2: passing the Inject the alkali solution and the solution for carbonate precipitation into the bottom of the sampling bottle sequentially through the silica gel septum plug, and at the same time extract an equal volume of groundwater from the upper part of the sampling bottle, fully mix the liquid in the sampling bottle, and then statically Set the sediment to the bottom of the sampling bottle; step 3: extract the supernatant in the sampling bottle through the silica gel septum plug, leave the sediment, and inject the same volume as the extracted supernatant Step 4: freeze the sampling bottle until the precipitate freezes, then open the silica gel septum plug, and put the sampling bottle into a freeze dryer to dry until a solid powder is formed.

The invention provides a direction-finding device and a direction-finding method for geostress measurement. The direction-finding device is a three-channel independent measurement direction-finding device, including a first measurement channel, a second measurement channel, a third measurement channel, a processor, A memory, a clock module, and a power module; the processor is electrically connected to the first measurement channel, the second measurement channel, the third measurement channel, the memory, the clock module, and the power supply module, respectively ; Wherein, the first measurement channel includes a series-connected geomagnetic measurement module, a first signal conditioning circuit and a first analog-to-digital converter; the second measurement channel includes a series-connected inclination measurement module, a second signal conditioning circuit and a second An analog-to-digital converter; the third measurement channel includes a series rotation angle measurement module, a third signal conditioning circuit and a third analog-to-digital converter. The directional work of ground stress measurement can be carried out in vertical holes, horizontal holes and inclined holes at the same time, and has the advantage of wide application range.