1525results about How to "Easy to install on site" patented technology

The invention discloses an automatic monitoring and early-warning system for an offshore area environment based on Arduino. The automatic monitoring and early-warning system comprises a data acquisition terminal node, an aggregation node, a monitoring buoy, a remote database server and an environment monitoring center, wherein a main control board of the data acquisition terminal node and the aggregation node is based on an electronic prototype platform Arduino of an open source, a microprocessor with ATmega2560 as a core is adopted, and the collection, storage, treatment and forwarding of marine environment data and location information of monitoring sites are completed through certain customization. The invention further discloses a method for automatically obtaining the marine environment data from foreign satellite remote sensing sites for integration. The automatic monitoring and early-warning system aims to realize on-line real-time dynamic stereoscopic monitoring and can solve the problem that the conventional marine environmental monitoring technology and method are just established on single-point marine environment data transmission and sampling analysis through acquiring the offshore environment data in a real-time manner and integrating satellite remote sensing data.

The invention discloses a circular steel tube concrete column and beam node connecting structure, which is characterized in that: the connecting structure comprises a node fastener, a bolt, a circular steel tube concrete column and a beam; the node fastener is composed of two sections of fastening rings and a joint, and the joint is in sleeve type and horizontally H-shaped type, the circular steel tube concrete column penetrates in the fastening rings and is fastened by the bolt, and the beam is connected by the joint on the fastener; the field installation is convenient without welding and the construction is rapid; the fastener is composed of two sections and is connected by the bolt after being fixed, and the circular steel tube concrete column is fixed by tightening force of the fastener; the circular steel tube concrete column is inserted in the sleeve type joint and is fixedly connected with the sleeve type joint by the bolt, and a concrete beam steel bar and a steel girder are welded with the horizontally H-shaped type joint; besides welding of the concrete beam steel bar and the horizontally H-shaped type joint, in the whole process, welding and complex distributed steel do not need, the construction is simple and rapid.

The invention discloses a self-adaptive warning system for intelligently addressing circumferential intrusions of fiber Bragging grating. The self-adaptive warning system consists of a fiber Bragging grating vibration sensor, an optical transmission cable, a fiber grating signal demodulator and a security centralized control platform. When in detection, a plurality of the fiber Bragging grating vibration sensors with different wavelengths are connected in series with one optical fiber by the wavelength division multiplexing technology to acquire the distributed information; by acquiring and processing the fiber grating signals, the fiber Bragging grating vibration sensors are integrated with the application software of an upper computer into an intelligent management system to form a set of ideal and complete self-adaptive warning system for the fiber circumferential intrusion security. The system can be applied to the circumference intrusion warning guard, and can be used as the environmental sensing device by the circumferential intrusion of the intelligent addressing. The invention adopts the outdoor all-passive network type transmission system, so that the sensing region can be addressed freely. The passive transmission and the optical cable laying are applied to the system, so that the system is convenient for the on-site installation and no device debugging is needed on site; in particular, the invention has the advantages of suitability of the outdoor laying, lightning and flash resistance and anti-electromagnetic interference, capability of sufficiently meeting and being applied to the circumference security in various complex environments, capability of accurately solving the misinformation and the report missing and the like.

The invention relates to a method for constructing an agricultural drainage and ecological purification system. The method comprises the following steps that: an elliptic ecological buffer area is formed at the tail end of an agricultural drainage channel and before an agricultural drainage culvert pipe; aquatic plants which can easily absorb N and P nutrient elements are planted in the ecological buffer area; an agricultural drainage ecological purification barrel is arranged in the agricultural drainage culvert pipe; a biological purification ring is arranged on the ecological purification barrel; water drained out of a farmland flows through the ecological buffer area by the agricultural drainage channel; certain suspended pollutants are settled and intercepted by staying for a certainperiod of time in the ecological buffer area to achieve a preliminary water purification effect and the effect of controlling the flow rate and the retention time; and larger suspended sundries are further intercepted by a wire mesh at the front end of the agricultural drainage ecological purification barrel before the water drained out of the farmland flows into the agricultural drainage ecological purification barrel to ensure that the inside of the purification barrel cannot be blocked. The method has the advantages that: the N and P nutrient elements in the water drained out of the farmland is effectively reduced by an ecological method in combination with the construction of the agricultural drainage culvert pipe, so that a receiving water body is prevented from being eutrophicated.

The invention discloses a smart factory-based multi-function data acquisition device, acquisition system and method. The acquisition device comprises a microprocessor as well as a power supply module, a 485 transceiver chip, a 232 transceiver chip, an IO signal conversion circuit and two Ethernet protocol stack chips which are connected with the microprocessor, wherein the 485 transceiver chip and the 232 transceiver chip are respectively provided with an RS-485 Interface and an RS-232 interface which are used for connecting external devices and acquiring device data, the Ethernet protocol stack chips are provided with Ethernet interfaces and are used for connecting upper computers or other acquisition devices and transmitting data, and the IO signal conversion circuit is provided with an IO port and is used for connecting external devices, acquiring signals or controlling the devices. The data acquisition device can be configured to a master station mode or a slave station mode, and is flexible in interfacing, and therefore, the data acquisition device can read data of field devices and scattered acquisition points more economically, conveniently and efficiently and provide complete and accurate bottom data for the establishment of a smart factory.

The invention discloses a laser sedimentation flexibility monitor which comprises more than one group of transmitting units and receiving units which are mutually matched, wherein each transmitting unit is a laser used for transmitting a laser beam to each receiving unit, each receiving unit comprises a linear array CCD (Charge Coupled Device) image acquisition unit, an analyzing and processing system and a power supply, the linear array CCD image acquisition unit is used for acquiring the laser beam and converting the laser beam into an electric signal to be transmitted to the analyzing and processing system, and the analyzing and processing system is used for processing the electric signal and then judging sedimentation deformation. The laser sedimentation flexibility monitor has the advantages of simple and compact structure, low cost, convenience for installation and debugging, stable and reliable work, and the like.

This invention provides a contact type optical fiber grating displacement sensor, which contains support, protective steel pipe, spring and optical fiber grating strain sensor constructed of double steel pipe assembly structure, wherein the optical fiber grating packaged in 0.5mm steel pipe by epoxy resin and forming the optical fiber grating strain sensor with two 1.2mm steel pipe. Said invention has advantages of overcoming the shortage of current sensor of easy interfered by electromagnet and poor stability.

The invention relates to a precast concrete wallboard and a preparation method thereof. A wall body has a structural layer and a protection layer from inside to outside, wherein the structural layer is internally provided with a reinforcement cage, and a reinforcement fabric is arranged in the concrete of the protection layer; the protection layer is connected with the structural layer through a transverse connecting reinforcement connected to the reinforcement fabric; the left edge and the right edge of the protection layer protrude out of the structural layer; the lower edge of the protection layer downwards extends out of a protruded port; and the top of the protection layer upwards protrudes out of the structural layer; the upper edge of the protection layer has a dent corresponding to the protruded port of the adjacent precast concrete wallboard on the upper layer; and the two ends of a transverse bar of the reinforcement cage protrudes out of the left side surface and the right side surface of the structural layer of the wall body and form two rows of transverse steel ties bending inwards. The wallboard has the advantages that the construction process is simplified, the construction speed is accelerated, and the construction cost is reduced. Meanwhile, products precast by a factory have uniform specification and quality, and thus, the construction quality of a building structure can be guaranteed sufficiently. The precast concrete wallboard can be widely applied to construction of concrete steel buildings in building industry.

The invention discloses a power distribution terminal system based on the IEC 61850 and realizing a plug and play mechanism. The power distribution terminal system is realized through the following steps that (1) a power distribution terminal is connected with a power distribution master station, and automatically sends registration information to the power distribution master station; (2) information contrast is conducted on the power distribution terminal and the power distribution master station; (3) a plug and play self-describing modeling module is run between the power distribution terminal and the power distribution master station; (4), the power distribution master station receives information collected by the power distribution terminal and controls power distribution network equipment. According to the power distribution terminal system, the plug and play function of the power distribution terminal is realized by the self-describing modeling module based on the IEC 61850 standard through plug and play information interaction, the automatic on-line function of the power distribution terminal at the power distribution master station system is achieved during on-site deployment, the power distribution terminal can be installed, debugged, operated and maintained conveniently on site, in this way, the time of conducting spotting and other debugging operations on the master station and an FDU and a DTU of the power distribution terminal can be greatly shortened, human errors can be reduced, and reliability is improved. The power distribution terminal system has important significance in debugging and maintenance of a power distribution automation system with a large number of power distribution terminal systems distributed quite dispersively.

The robot automatic detection system for extra-long pipeline welding seam includes three portions of partial type fixing support seat, partial type periphery-directional rotating mechanism and robot arm. The partial type fixing support seat adopts movable slide block structure, the partial type periphery-directional rotating mechanism is formed from motor, planetary pinion, large teeth ring and upper and lower connecting plates. The partial type fixing support seat is fixed on the detected branch pipe by means of fast positioning connecting device so as to form mounting platform of said detection system and location reference, and the partial type periphery-directional rotating mechanism is mounted on the platform.

A foldable heat radiation board includes a plurality of elongated and narrow plate-like members with fluid tube embedding grooves provided therein, and the plate-like members are combined with each other in a quadrangular plan configuration. Fluid tubes are embedded in the embedding grooves, and a heat radiation sheet is attached to the entire surface on the front surface side, while a back surface material is attached to the entire or partial surface on the back surface side. A plurality of contact portions in which the end portions of adjacent plate-like members contact each other are set as folding portions, and a fluid tube outlet opening portion in the end portion of one of the plate-like members and a fluid tube inlet opening portion in the end portion of the other of the plate-like members are provided so as not to oppose each other but to be shifted from each other, this portion being set as a fluid tube passage portion.

The invention discloses a power quality online monitoring system of network topology wireless communication. The power quality online monitoring system comprises an acquisition terminal, a communication manager, a server and an upper computer. The acquisition terminal acquires alternating power data of a user end through a sensor and uploads the alternating power data to the communication manager through a wireless transmission module, the communication manager wirelessly transmits the alternating power data to the server through a wireless launching tower, and the server controls a user site remotely by transmitting the data to the upper computer. The power quality online monitoring system widens application environments of monitoring, has functions of mutual communication, self-networking bridging data transmission, breaking recovery, separable re-networking, receiving communication management GPRS (general packet radio service) transmission data to support communication manager output storage processing, and realizing network issuing monitoring. The system is applicable to converting stations, power distribution stations, and fields which need local self-networking communication. By the internal network topology structure, for data transmission, of the system, the system is clear in gradation, convenient to maintain, good in monitoring effect and practical.

The invention discloses a precast composite wallboard with door/window holes and a manufacturing method thereof. The body of the precast composite wallboard is provided with door/window holes thereon and is also sequentially provided, from inside to outside, with a structural layer, a heat preservation layer and a protective layer, wherein the structural layer is internally provided with a reinforcing cage, concrete of the protective layer is internally provided with a reinforcing mesh, the structural layer, the heat preservation layer and the protective layer are anchored with each other in a penetrative manner via connectors which are distributed in a spotted manner, the left and right edges of the protective layer and the heat preservation layer protrude to the structural layer, the lower edge of the protective layer extends downwards out of a convex opening, the top parts of the protective layer and the heat preservation layer protrudes upwards to the structural layer, and the upper edge of the protective layer is provided with a concave opening corresponding to the convex opening of the adjacent precast composite wallboard at the upper layer. The wallboard has the advantages of simplifying construction procedures, speeding up construction speed and reducing project cost. In addition, the products precast in factory are consistent in specification and quality, the construction quality of building structure can be fully guaranteed, and the wallboard can be extensively applied to the construction of reinforced concrete buildings in the construction industry.

The invention discloses a bridge deflection test method based on inclinometers. The bridge deflection test method comprises the following steps: an inclination measurement step for measuring the cross section corners of a bridge by setting the inclinometers at a plurality of cross section positions of the bridge so as to obtain the corner values of the inclinometers; a deflection test step for obtaining the combination coefficient of an n-order vibration type based on the difference of corner values collected by each inclinometer at the same moment and the initial corner value of each inclinometer and calculating to obtain bridge deflection based on the combination coefficient. The invention also discloses a bridge deflection test system based on the inclinometers.

The invention discloses an intelligent power distribution network outdoor broken circuit monitoring device. The intelligent power distribution network outdoor broken circuit monitoring device comprises a breaker main body; the breaker main body is provided with a power supply module, a control module and a sampling module; the control module and the sampling module are respectively connected to the power supply module; the control module comprises a single-chip microcomputer controller, a signal processing module and an intelligent driving controller; and the control module and the sampling module are connected through a transmission module. The intelligent power distribution network outdoor broken circuit monitoring device can realize a function of switching on and off a circuit load and isolating a fault, realizes an on-site control operation and realizes a remote control operation through a front end collection device receiving a system order. The intelligent power distribution network outdoor broken circuit monitoring device not only finishes data collection, wherein the data includes data of three-phase current, voltage, a breaker state, etc, but also realizes remote fault alarm, and can detect an interphase short circuit fault of the circuit, a single-phase grounding fault and transmits fault information to an automation main station.

The invention relates to an on-site detection device and a detection method for heat transfer coefficients of building enclosure structures. The device comprises a temperature difference producing device arranged on a to-be-detected enclosure structure, as well as a data acquisition device for testing and receiving temperature and heat flow of the inner and outer sides of the to-be-detected enclosure structure. The device is characterized in that the temperature difference producing device is arranged in a bucket-shaped shell; the shell and the to-be-detected enclosure structure form a cylindrical cavity; a fan used for forced convection is arranged in the shell; and the temperature difference producing device comprises heating equipment and refrigeration equipment. The detection device provided by the invention enables heat to be capable of one-dimensional conduction, thereby greatly reducing measurement errors. The device used for on-site detection has the advantages of convenient installation and use, as well as testing time free from seasonal limit.

The invention relates to a building material and a method for preparing the same, in particular to a glass fiber reinforced cement board and a method for preparing the same. The glass fiber reinforced cement board comprises the following components in weight portion: 100 portions of Portland cement, 13.6 to 15 portions of high alumina cement, 3.1 to 3.4 portions of fly ash, 5.7 to 6.3 percent of plaster stone powder, 120 to 132 portions of ceramsite, 6.5 to 7.1 percent of foaming agent, 74.5 to 81.3 percent of dispersing agent, 53 to 58.7 portions of pure water and 3.6 to 4 portions of plastic-coated glass fiber grid cloth. The preparation method sequentially comprises the following steps: mixing weighed-up solid materials, adding weighed-up liquid materials in the previous step, cavity forming, roll extruding, vibration, cutting and curing. The invention has the advantages that: the glass fiber reinforced cement board has advantages of light volume weight, high strength, low dry shrinkage wet swelling coefficient, no after expansion and shrinkage, corrosion resistance, sound insulation, heat insulation, fire resistance and non-combustion; the preparation method has the characteristics of scientific and reasonable method, continuous production, high efficiency and low cost, flat board surface, convenient in-site mounting and the like; the glass fiber reinforced cement board is good in water resistance, and particularly applied to the finishing of internal and external walls and ceilings of various buildings in wet environments; moreover, the glass fiber reinforced cement board and a method for preparing the same have the advantages of ensuring the strength and service life of cement due to the adoption of the plastic-coated anti-alkali glass fiber grid cloth, along with reasonable blending ratio and reduced alkalinity.

The invention relates to an optic-fiber temperature/humidity sensor and the manufacturing method and application for the sensor. The optic-fiber temperature/humidity sensor is characterized in that, the sensor comprises an optic-fiber core with a refractivity of 0 and a sensing cladding layer with a refractivity of nc, and the sensing cladding layer contains at least one polymer or low-molecular material whose refractivity will change with temperature/humidity; the optic fiber is a glass or plastic optic fiber, the core diameter is 5 micrometer-3mm; the thickness of the sensing cladding layer is 0.1-30 micrometer, length not more than 20 cm. The sensor uses the optic-fiber core in the invention; and after the sensing cladding layer is heated to be completely molten in the solvent, the melt is cooled to 20-60 centigrade, then the solvent is evenly coated on the outer surface of the glass or plastic optic-fiber core; after airing, heat treatment or cross-link treatment, the sensor is obtained.

The present invention discloses a multi-parameter grain condition control system and an intelligent ventilation method. The system comprises a grain condition detection subsystem for real-timely providing the humiture information in a granary, a grain condition internal circulation temperature control/circulation fumigation subsystem used for summer grain temperature control, insect killing and the grain spring and autumn condensation prevention, an insect pest and gas detection subsystem for real-timely monitoring the insect number at the insect prone position in the granary and the gas concentration, an intelligent ventilation subsystem for opening and closing a granary ventilation opening and starting and stopping an axial flow fan, a number monitoring and abnormal movement detection subsystem for detecting the volume of a grain bulk to obtain the grain reserves of the granary, sending out the alarm information when a bin gate moves abnormally and shooting the mobile position, a main control unit, a central control computer, and an intelligent energy consumption monitoring subsystem for gathering and monitoring the electric quantity usage conditions of the electrical lines to obtain the operation and energy consumption conditions of the equipment. By optimizing and integrating equipment, the system of the present invention realizes the centralized control and supervision of all grain condition monitoring and detection system equipment, and can realize the remote centralized control.