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36results about How to "Save laying costs" patented technology

Epoxy mortar used for repairing sea oil gas pipeline and preparation method thereof

The invention discloses an epoxy mortar used for repairing sea oil gas pipeline and a preparation method thereof, which belongs to the technical field of polymer mortar application. The epoxy mortar is composed of a component A, a component B and a component C, the component A is prepared by bisphenol A epoxy resin E44, E51 and a certain amount of auxiliary agent, the component B is prepared by mixing a T31-3 type modified phenolic amine curing agent and a NP440 amidoamines curing agent according to a certain proportion, and the component C is an aggregate by mixing cement and quartz sand according to a certain proportion. The preparation method comprises the following steps: heating the component A to the temperature of 30-50 DEG C, stirring to homogeneous phase, then mixing the component A and the component B according to a certain proportion, uniformly mixing, adding the component C according to a certain proportion, and uniformly blending to obtain the epoxy mortar. The preparation method has simple technology, the epoxy mortar has strong cohesiveness, the epoxy mortar through solidification has excellent anti-compression, anti-punching and anti-seawater corrosion performances, and the epoxy mortar can be used for repairing and reinforcing a concrete coating on the sea oil gas pipeline and a thin layer of an underwater concrete structure.
Owner:TIANJIN UNIV OF SCI & TECH +1

Point reward system of mobile terminal and reward method thereof

The invention relates to the information processing technology, in particular to a point reward system of a mobile terminal and a reward method of the point reward system of the mobile terminal. According to the specific scheme, the point reward system is composed of an information issue device, the mobile terminal and a point server, wherein the information issue device is arranged in the public place or a commercial tenant and used for sending pre-modulated sound wave signals containing equipment codes and position identification codes; a microphone arranged on the mobile terminal is used for capturing sound waves and decoding the sound waves into the equipment codes and position codes, the equipment codes and the position codes are sent to the point server through a mobile network, and the point server obtaining the codes sends a point reward to the mobile terminal. The point reward system of the mobile terminal and the reward method of the point reward system of the mobile terminal have the advantages that encrypted verification of the sound wave signals can effectively eradicate the phenomenon that false claim of points is performed by signing in falsely, the signing in efficiency and interaction between mobile terminal users and merchants are greatly improved, the point reward system is low in requirement for hardware configuration of the mobile terminal, the laying cost of the information issue device is low, and the point reward system of the mobile terminal and the reward method of the point reward system of the mobile terminal are suitable for being promoted and popularized on a large scale.
Owner:上海君戈网络科技有限公司

Transceiver capable of simultaneously covering second generation (2G) and third generation (3G) signals and signal processing method of transceiver

The invention provides a transceiver capable of simultaneously covering second generation (2G) and third generation (3G) signals. The transceiver comprises an optical module, a field programmable gate array (FPGA) module, a clock recovery module, a clock distribution module, a digital pre-distortion (DPD) feedback analog-digital converter, a 2G+3G analog-digital converter, a monitoring part, a switching unit, a 2G DPD coefficient implementation module, a 2G digital-analog converter, a 2G downlink local oscillation module, a 2G uplink local oscillation module, a 2G downlink radio frequency link, a 2G radio frequency feedback link, a 2G uplink signal radio frequency link, a 3G DPD coefficient implementation module, a 3G digital-analog converter, a 3G downlink local oscillation module, a 3G uplink local oscillation module, a 3G downlink radio frequency link, a 3G radio frequency feedback link and a 3G uplink signal radio frequency link. The invention also provides a signal processing method of the transceiver capable of simultaneously covering the 2G and 3G signals. By the invention, 2G and 3G single-standard transceivers are integrated into a novel mixed-standard transceiver, so a covering mode is simplified, and cost is saved.
Owner:COMBA TELECOM SYST CHINA LTD

Wind/solar/electric complementary network anticorrosion system for buried steel pipelines

The invention discloses a wind/solar/electric complementary network anticorrosion system for buried steel pipelines, comprising a microcontroller unit (MCU) module, a plurality of data acquisition modules connected with the MCU module, an outdoor monitoring module, a display module, an integrated anticorrosion module, a wireless detection and messaging module, a wind/solar/electric complementary power supply module and a button module. According to the invention, a five-point surface detection method is used for detecting the buried steel pipelines; then comprehensive protection is carried out on the pipelines through the integrated anticorrosion module; the wind/solar/electric complementary power supply module is used for solving the problem of inconvenient power utilization; clean energy is used, so as to reduce the cost of laying cables of commercial power and reduce the usage of commercial power; the track walkers are reduced, the operation reliability of the pipelines is improved comprehensively; compared with the traditional cathode protection system for the buried steel pipelines, the service life of the pipelines is extended by 5-10 years. The invention is used in the buried gas pipelines in Guiyang and an obvious effect of saving electric energy is achieved.
Owner:GUIZHOU UNIV

Wireless radio frequency communication-based water underfloor heating system and temperature control method

The invention discloses a wireless radio frequency communication-based water underfloor heating system. The wireless radio frequency communication-based water underfloor heating system comprises a central control box, a water collecting and dividing unit, electrothermal actuators, a temperature detector, a temperature controller and actuating elements, wherein the water collecting and dividing unit is connected with the actuating elements through the electrothermal actuators; a processor I and a wireless radio frequency transmitting device are arranged inside the temperature controller; the temperature detector is connected with the processor I; the processor I is connected with the wireless radio frequency transmitting device; a wireless radio frequency receiving device, a processor II and control terminals are arranged inside the central control box; the wireless radio frequency transmitting device is in wireless radio frequency communication with the wireless radio frequency receiving device; the wireless radio frequency receiving device is connected with the processor II; the processor II is connected with the control terminals; the control terminals are connected with the electrothermal actuators. The temperature controller is in wireless radio frequency communication with the central control box, so that the wireless radio frequency communication-based water underfloor heating system is easy to mount and convenient to maintain, and thus the laying cost and the later maintenance cost of the water underfloor heating system are greatly reduced.
Owner:湖南索拓科技有限公司

Wireless water-saving drip irrigation automatic control system

The invention discloses a wireless water-saving drip irrigation automatic control system comprising a head center, a pipeline module, a drip irrigation module, a control module and a wireless transmission module. The head center is used in water pumping, fertilization and filtration. With the head center, water is delivered into the pipeline module with a preset pressure. The drip irrigation module comprises a plurality of uniformly distributed drip irrigation units. The pipeline module is used for delivering pressurized water to all the drip irrigation units. The wireless transmission module is composed of a plurality of distributed node units and an aggregate node unit. The aggregate node unit is connected with the control module. The distributed node units are connected with the drip irrigation units one to one. The drip irrigation units are used for sensing humidity information and transmitting the humidity information to the control module, and work under the commands of the control module. The control module is used for transmitting corresponding commands to the corresponding drip irrigation units according to the received humidity information. The system provided by the invention has the advantages of simple structure, convenient application and convenient maintenance. With the system, water can be effectively saved.
Owner:WUXI CITY CHONGAN DISTRICT TECH ENTREPRENEURSHIP SERVICE CENT

Steel wire rope tension monitoring method based on wireless transmission

The invention discloses a steel wire rope tension monitoring method based on wireless transmission. Friction wheels, liners installed on the friction wheels, steel wire ropes directly making contact with the liners, pressure sensors installed in the liners, a wireless acquisition transmitter and a wireless receiver are arranged; the liners are installed in intermediate grooves of the friction wheels, and the pressure sensors are installed in the liners and used for collecting tension of the steel wire ropes; and the wireless acquisition transmitter is used for transmitting signals acquired bythe pressure sensors to the wireless receiver through wireless transmission, the wireless receiver is used for transmitting the signals to an upper PC through an acquisition card and a serial port, and the upper PC is used for receiving and displaying real-time tension information of the steel wire ropes through configuration software. According to the steel wire rope tension monitoring method based on wireless transmission, the structure is simple, installation and maintenance are convenient, use is convenient, the steel wire rope tension measuring effect is prominent, a measuring result is precise, the working efficiency is high, the safety and the reliability are achieved, and the economic benefit is greatly increased.
Owner:ANHUI UNIV OF SCI & TECH

Automobile charging pile control system based on Internet of Things and big data

The invention discloses an automobile charging pile control system based on the Internet of Things and big data, belongs to the field of the Internet of Things, and aims to overcome the defects of themanual management mode of an existing charging pile and perform intelligent management to save human resources. According to the system provided by the technical schemes, the system comprises a charging pile; a power supply module for converting solar energy into electric energy is arranged in the charging pile; a billing system is connected between a charging gun head and a storage module; the billing system comprises a card slot and a banknote notch which are located on the surface of the charging pile; a grating module for identifying the authenticity and face value of banknotes is arranged in the banknote notch; and a reading module is connected with a signal module in remote communication connection with a server and a GPS module for positioning. Compared with the prior art adoptingnetwork access-base billing, the system of the invention adopts the Internet of Things technology to sort and send the position information and use information of the charging pile, can improve management efficiency and intelligent management level and has the advantages of reliable operation, convenience in use and high management efficiency.
Owner:WUHU INST OF TECH

Flue gas denitration utilization device for waste heat boiler of gas turbine

The invention discloses a gas turbine waste heat boiler flue gas denitration utilization device, and relates to the field of flue gas denitration, the gas turbine waste heat boiler flue gas denitration utilization device comprises a heat exchanger, a urea hydrolysis device and a denitration reactor, a gas inlet of the heat exchanger is connected with a flue gas inlet pipe, and an output port of the heat exchanger is connected with a pressure reduction and temperature reduction flue gas pipe; a pneumatic control valve is arranged at the other end of the pressure and temperature reduction flue gas pipe, the output end of the pneumatic control valve is connected with a dilution air pipeline, the other end of the dilution air pipeline is connected with the ammonia gas input end of the denitration reactor, and a heat tracing pipeline is fixedly installed on the side face of the denitration reactor; the heat tracing pipeline is located on the outer side of the dilution air pipeline. The flue gas of the unit is directly extracted, so that the laying and operation cost of a high-temperature fan and a steam heat exchanger can be saved, the transportation condition of an ammonia gas mixture after hydrolysis is met, the operation cost is effectively reduced, and efficient and stable denitration work is ensured.
Owner:HUANENG NANTONG GAS TURBINE POWER GENERATION CO LTD

A kind of epoxy mortar for offshore oil and gas pipeline repair and preparation method thereof

ActiveCN103979883BMeet the production needs of repairShort initial setting timeSeawaterPolymer
The invention discloses an epoxy mortar used for repairing sea oil gas pipeline and a preparation method thereof, which belongs to the technical field of polymer mortar application. The epoxy mortar is composed of a component A, a component B and a component C, the component A is prepared by bisphenol A epoxy resin E44, E51 and a certain amount of auxiliary agent, the component B is prepared by mixing a T31-3 type modified phenolic amine curing agent and a NP440 amidoamines curing agent according to a certain proportion, and the component C is an aggregate by mixing cement and quartz sand according to a certain proportion. The preparation method comprises the following steps: heating the component A to the temperature of 30-50 DEG C, stirring to homogeneous phase, then mixing the component A and the component B according to a certain proportion, uniformly mixing, adding the component C according to a certain proportion, and uniformly blending to obtain the epoxy mortar. The preparation method has simple technology, the epoxy mortar has strong cohesiveness, the epoxy mortar through solidification has excellent anti-compression, anti-punching and anti-seawater corrosion performances, and the epoxy mortar can be used for repairing and reinforcing a concrete coating on the sea oil gas pipeline and a thin layer of an underwater concrete structure.
Owner:TIANJIN UNIV OF SCI & TECH +1

Transceiver capable of simultaneously covering second generation (2G) and third generation (3G) signals and signal processing method of transceiver

The invention provides a transceiver capable of simultaneously covering second generation (2G) and third generation (3G) signals. The transceiver comprises an optical module, a field programmable gate array (FPGA) module, a clock recovery module, a clock distribution module, a digital pre-distortion (DPD) feedback analog-digital converter, a 2G+3G analog-digital converter, a monitoring part, a switching unit, a 2G DPD coefficient implementation module, a 2G digital-analog converter, a 2G downlink local oscillation module, a 2G uplink local oscillation module, a 2G downlink radio frequency link, a 2G radio frequency feedback link, a 2G uplink signal radio frequency link, a 3G DPD coefficient implementation module, a 3G digital-analog converter, a 3G downlink local oscillation module, a 3G uplink local oscillation module, a 3G downlink radio frequency link, a 3G radio frequency feedback link and a 3G uplink signal radio frequency link. The invention also provides a signal processing method of the transceiver capable of simultaneously covering the 2G and 3G signals. By the invention, 2G and 3G single-standard transceivers are integrated into a novel mixed-standard transceiver, so a covering mode is simplified, and cost is saved.
Owner:COMBA TELECOM SYST CHINA LTD
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