47results about How to "Reduce accidental loss" patented technology

The invention discloses an Internet of Things-based logistics intelligent information management system. The system includes an intelligent electronic tag which is directly connected with goods and isused for acquiring the status information and position information of the goods in a transport process in real time, a data collector which obtains the status information and location information ofthe goods from the intelligent electronic tag and uploads the information to a logistics information management center through a public network, and the logistics information management center which stores, monitors and analyzes the status information and location information of the goods reported by the data collector, regularly compares the received status information of the goods with a presetsafety threshold range, and sends alarm information to a logistics dispatch platform or dispatcher in an area where the goods are located when the received status information exceeds the safety threshold range. Thus, with the system adopted, the full-process tracing and real-time monitoring of the quality and safety of the goods during the transport process, visualized management during a logistics process and logistics information sharing can be ensured; and by means of real-time monitoring, an accident can be detected timely, and an alarm can be given out immediately.

The invention relates to an NB-IOT-based micro-grid information acquisition and monitoring system and an implementation method thereof. The system comprises a field equipment layer, a network transmission layer and an application layer. The field equipment layer comprises a micro-grid environment information acquisition system and a micro-grid field equipment monitoring system, and is responsible for collecting environment data and field equipment operation data; the network transmission layer comprises a ZIGBEE wireless network, a MODBUS RTU bus network, an intelligent gateway and an NB-IOT network, and is responsible for data transmission and protocol conversion; the application layer comprises a micro-grid intelligent monitoring platform; and the micro-grid intelligent monitoring platform comprises a micro-grid environment safety evaluation system and a micro-grid field equipment monitoring system, and provides system monitoring and environment evaluation functions. The intelligent gateway is added into a traditional micro-grid, and remote transmission of micro-grid system data is realized through a protocol converter embedded in the gateway, so that remote monitoring of the system is realized; and by means of the micro-grid environment safety evaluation system, the possibility of accidental loss of field equipment is reduced.

The invention relates to the natural pharmaceutical chemistry field and the technical field of biopesticides, and discloses a new alkaloid compound, a preparation method thereof and application in preparing antimicrobial pesticides. The alkaloid compound has a structure as shown in a drawing of the abstract, and has a chemical name of dihydronarciclasine-4-O-alpha-L-arabinopyranoside. The preparation method is characterized by comprising the following steps: by taking Amaryllidaceae plants as raw materials, extracting by methyl alcohol, ethyl alcohol or water-containing alcohol, filtering, concentrating to a small volume, dispersing by using water, then performing macroporous resin column chromatography, collecting at a part eluted by 30 percent of the ethyl alcohol, and then performing column chromatography repeatedly with column chromatography filler being silica gel or reverse phase silica gel, thus obtaining a new alkaloid. The Amaryllidaceae plants are Zephyranthescandida, Lycorisradiata, Lycorislongituba and Lycorisaurea. As a natural plant bactericide, the compound has remarkable effects of resisting Magnaporthe orythae and Verticillium dahliae, can be singly used, and also can be compounded with other bactericides to be prepared into a compounded bactericidal pesticide.

The invention relates to the technical field of logistics packaging, and discloses a multifunctional turnover box. The box comprises a bottom plate, a base, first side plate assemblies, second side plate assemblies and connecting plates; and the first side plate assemblies and the second side plate assemblies are both two groups, and the first side plate assemblies, the second side plate assemblies and the bottom plate form a box body without an upper cover. The turnover box has the beneficial effects that a folding mechanism is adopted, so that the folding height of the turnover box is reduced, the occupied space is small, and the logistics cost returned by the turnover box is reduced maximumlly; the turnover box is compact and reasonable in structure and convenient to operate; the turnover box is provided with an installation groove, when the loading height of the goods in the turnover box is different, effective packaging and fixing can be realized, additional reinforcing auxiliarymaterials do not need to be added, and the cost is reduced; and the bottom of the turnover box penetrates through the design of a packing belt part, the packing belt can be hidden in the groove, the packing belt is prevented from being damaged during operation of a forklift, the accident loss is reduced, and the cost is reduced.

The invention discloses a differential planetary reduction gear for a bridge crane. The differential planetary reduction gear for the bridge crane comprises a reduction gear frame; a main motor is arranged on the outer side of one end of the reduction gear frame; an output shaft hole frame is installed at the other end of the reduction gear frame; standby motors are symmetrically installed on two sides of the main motor; a power shaft of the main motor is connected with a transmission shaft through a flange plate; standby power shafts of the standby motors are embedded and clamped into standby shafts; input gears are installed on the standby shafts and connected with transmission gears through transition gears; the transmission shaft is seeved with the transmission gears and connected with an output shaft through a three-level planetary gear set; the output shaft penetrates through the output shaft hole frame, extends to the outer side of the reduction gear frame and is fixedly installed on one side face of the three-level planetary gear set through a bearing pedestal plate; the three-level planetary gear set is connected with a gear ring on the inner wall of the reduction gear frame; and the transmission efficiency is improved.

The invention relates to a novel environmental energy-saving fire-proofing cooper-aluminum alloy electric cable and a manufacturing method thereof. In the case of a fire, the electric wire is prone to burning to cause short circuit and flame; besides, the conventional electric wire is high in cost. The environmental energy-saving fire-proofing cooper-aluminum alloy electric cable is composed of an insulation layer (2) and a conductive core wire (1) in a coating manner and characterized in that the conductive core wire (1) is composed of the copper material and the aluminum material in the coating manner, the insulation layer (2) is a fireproofing mica tape, and a fireproofing sheath is arranged outside the insulation layer (2). The environmental energy-saving fire-proofing cooper-aluminum alloy electric cable has the advantages that safe and reliable performance is achieved, in the accidents, smoke is less in the burning environment, fireproofing ability is excellent, noxious gas and corrosive gas never occur, accidental loss is greatly reduced, material recycling is convenient, and production cost is lowered.

The invention provides an intelligent anti-collision device. The intelligent anti-collision device provided by the present invention comprises a mechanical anti-collision mechanism and an ultrasonic anti-collision mechanism, the mechanical anti-collision mechanism comprises an anti-collision frame, a spring assembly, a mounting bracket assembly and a displacement sensor, the anti-collision frame is fixed on the mounting bracket assembly through the spring assembly, the displacement sensor is installed on the mounting bracket assembly, a displacement sensor connecting rod is fixedly connected with the anti-collision frame, the anti-collision frame is provided with a first opening for laser to penetrate through, the ultrasonic anti-collision mechanism is located above the mechanical anti-collision mechanism, the ultrasonic anti-collision mechanism comprises a mounting plate and an ultrasonic sensor, the ultrasonic sensor is arranged on the mounting plate, and the mounting plate is provided with a second opening through which the laser passes. The invention further provides an anti-collision laser cutting head. The invention further provides a using method of the anti-collision laser cutting head.

The invention belongs to the technical field of pasture storage, and discloses a storage bin for improving pasture storage performance and a storage method thereof. Pasture in the storage bin is stored and safely monitored through a supporting module, a data acquisition module, a ventilation module, a fire-fighting module, a rat repelling module and a control module. According to the storage bin,the pasture is placed on a supporting frame and separated from the ground, a mildew preventive mixture is sprayed to a bottom layer part, the pasture can be prevented from mildewing, the stored pasture is detected and protected from the aspects of temperature, humidity and the like, nutritional ingredients of the stored pasture can be reserved to the maximum extent, and the pasture storage performance is improved; and through the arrangement of the fire-fighting module and the rat repelling module, fire protection and rat repelling protection can be conducted on the interior of the storage bin, the pasture storage safety is improved, and the problems that in the prior art, pasture deterioration is frequently caused by improper pasture storage, pasture mildewing is likely to happen in a serious situation, and the pasture nutrient substance loss is caused are solved.

An unmanned aerial vehicle flight anti-collision device comprises an unmanned aerial vehicle body and a plurality of mounting plates evenly mounted on the outer side of the unmanned aerial vehicle body, and driving motors are arranged at the bottoms of the ends, away from the unmanned aerial vehicle body, of the mounting plates; output shafts of the driving motors upwards penetrate through the mounting plates where the output shafts are located and then are provided with a plurality of paddles in the circumferential direction, the exterior of the unmanned aerial vehicle body is connected with an external circular frame through a plurality of connecting frames arranged in the circumferential direction of the bottom of the unmanned aerial vehicle body, and a plurality of through holes c are formed in the periphery of the external circular frame in the circumferential direction. Collision protection of the unmanned aerial vehicle body, the mounting plate, the driving motor and the blades on the unmanned aerial vehicle is achieved through the combined action of counteracting cooperation of the reset mechanism in the cylindrical mounting shell and the arc plate and the buffering effect of the inflatable cushion outside the arc plate, and damage to main components on the miniature rotor unmanned aerial vehicle is avoided to the maximum extent; therefore, the accidental loss of the miniature rotor unmanned aerial vehicle in the flight process is reduced, and the economic loss of a user is greatly reduced.

The invention discloses a plasma air purifier. The plasma air purifier comprises an air inlet, a filter screen mounted in the air inlet and an air outlet and further comprises a plasma reactor arranged behind the air inlet, as well as a water treatment device, an anion generator and an outlet filter system which are parallelly mounted behind the plasma reactor, wherein the plasma reactor comprises a plurality of reaction basic units; each reaction basic unit is provided with a reaction zone, the reaction zone comprises a plurality of parallelly arranged platy polar plates and linear polar plates arranged between every two adjacent platy polar plates, and the quantity of the linear polar plates corresponds to that of the platy polar plates. The invention also discloses an air purification method adopting the air purifier. According to the invention, electrostatic precipitation is adopted to remove PM2.5, and meanwhile, plasma and a catalyst are subject to synergistic reaction to remove VOC (Volatile Organic Compounds).

The invention relates to an electric soundproof door and an installation method thereof. The traditional electric door has no sound-elimination noise-reduction measure, bulky size and inconvenient manufacture, transportation and installation; the manufacture and the installation of the traditional electric door can not be realized if a large opening has a great large dimension; and the traditional electric door has poorer safety performance, easy accident and personal injury occurrence, and the like. The electric soundproof door comprises a door body (1) with an electrical apparatus control system, an upper pulley mechanism (2), an inner framework (3), a door body sound-elimination gap (4), an inner soundproof layer (5), an outer soundproof layer (6) and a moving system (7), wherein the upper pulley mechanism (2) is connected above the door body (1); the inner framework (3) is arranged in the door body (1); the door body sound-elimination gap (4) is connected with the periphery of inner framework (3); one inward surface of the inner framework (3) is connected with the inner soundproof layer (5), and one outward surface of the same is connected with the outer soundproof layer (6); and the moving system (7) is arranged below the door body (1). The invention is used for the novel electric soundproof door.

The present invention provides a fluorescent baking machine drying shaft. The shaft rod outer end head of the drying shaft and a ceramic shaft are connected and fixed through a metal sleeve. The metal sleeve is provided with a screw clamp which fastens a ceramic shaft, and a fastening card is arranged between a shaft rod and the ceramic shaft. Through connecting the shaft rod and the ceramic shaft by the metal sleeve, the characteristic of reducing thermal energy loss of the ceramic shaft is maintained, and the phenomenon of a loss caused by accidental breakage can be avoided through the metal sleeve.

The invention discloses a child monitoring protection type intelligent access control monitoring system, which belongs to the technical field of access control monitoring. The system is provided with a sensing driving mechanism, a recognition driving alarm mechanism and a monitoring management center, so that when a child presses a door opening switch in the access control system and tries to walk out of a community, the system can spontaneously recognize the face of the child, capture the face information of the child and send warning information to parents of the child, so that the parents can timely know the risk that the child might run out of the community alone, the parents are prompted to check or search for the child at the first time, the protection function on the child can be remarkably enhanced, the occurrence of accidental missing of children is effectively reduced, unnecessary identification can be effectively avoided, the intelligent access control monitoring system can be directly matched with an existing access control system for use, the original access control system does not need to be damaged and abandoned, the cost can be effectively saved, and the practicability is greatly improved.