50results about How to "Reduce the cost of building a website" patented technology

A hydrogen refueling station network facility can inject hydrogen for hydrogen cell hydrogen storage cylinders in an area and forms a hydrogen distribution type energy resource together with hydrogen cells. The energy resources around a city are used for producing hydrogen through various hydrogen making methods. Energy resource conversion is realized through the procedures of pressurization, conveying, storage, air-entrapping and the like. A circular process including the procedures of hydrogen production, conveying with a gas storage cylinder set trailer, consumption of hydrogen cells, conveying with the gas storage cylinder set trailer and hydrogen production goes on all the time. The energy resource provided in the scheme does not use circuits of a power grid and is independent from the power grid, and the gas storage cylinder set trailer is used for supplying gas to the hydrogen cells as a movable pipeline. By means of the scheme, the greatest effect is that the city is changed into a hydrogen energy society, and zero emission is realized. If every city in China implements the scheme, China can develop into the hydrogen energy society soon, and great significance is achieved.

The invention provides piston type prepressed horizontal garbage compressing equipment, which is characterized in that a side port of a main compressor is provided with an auxiliary compressor; and after being prepressed and dewatered by the auxiliary compressor, the garbage is compressed through a main compressing cavity so as to compress the garbage into a carriage. The equipment has the advantages of high garbage compressing efficiency, low station building cost, large garbage dewatering quantity, high efficiency, secondary pollution reduction and so on.

The invention relates to an integral liquefied gas filling station system and an operation method thereof. The system comprises a chassis and a receiving tank body which are matched; the receiving tank body is provided with a gas outlet valve and a filling valve connected with a liquefied gas tank ; the other end of the gas outlet valve is connected with a compressor, and the other end of the compressor can be connected with the liquefied gas tank vehicle; the receiving tank body is also provided with a liquid outlet valve; a first emergent cut valve of the liquid outlet valve is connected with a pressure pump, and the output end of the pressure pump is connected with an air entrained gun; a control handle of the first emergent cut valve is in driving connection with a second emergent cut valve; the other end of the second emergent cut valve is connected with a nitrogen bottle; the operation method comprises a liquefied gas filling process and an air entrainment process for vehicles of users; the system adopts a integral chassis structure, has the advantages of simple and convenient extension and high working efficiency, can solve the contradiction of difficult air entrainment in short period, and is favorable for accelerating the popularization and application of clean liquefied gas fuel; and the system is provided with an alarming probe, an alarm instrument and a safety valve, and has more reliable safety.

The invention relates to a spatial three-dimensional phase shifter for a base station antenna, and the phase shifter is provided with a conductor housing and a feed network module, wherein the interior of the conductor housing is provided with a multilayer conductor, and the feed network modules are disposed in the conductor cavity. The phase shifter also comprises an insulating module which is insulated with the conductor housing. The phase shifter also comprises a transmission line which is connected with the adjacent two feed network module, and is insulated with the conductor housing. The lower feed network comprises one first input port and two second output ports, and the upper feed network comprises two four-port networks. Each four-port network comprises three second output ports and one second input port connected with one first output port through a transmission line. The four-port networks are metal conductor strips with a slow wave line or a microstrip printed circuit board with a slow wave line. When the phase shifter is used for the base station antenna, the phase shifter has a larger electric downward inclination angle, and the angle is from 0 to 20 degrees. The phase shifter is provided with six radiators, and the length of the antenna is 0.7m, and the largest gain is 16.5dBi.

The invention discloses a hydrogen boil-off gas (BOG) recycling system and process for a liquid hydrogen refueling station and relates to the field of liquid hydrogen refueling stations. The recyclingsystem comprises a BOG treatment module and a control module, wherein by means of the BOG treatment module, recycling treatment is conducted on hydrogen boil-off gas in the liquid hydrogen refuelingstation, and by means of the control module, monitoring and control are conducted on the BOG treatment module. By means of the hydrogen boil-off gas recycling system and process, after being heated, the BOG is input into a fuel battery module for power generation; the structure is simple; and the recycling cost of the BOG is lowered.

The invention discloses a method and an apparatus for displacement type pressure conveying of a low-temperature liquefied gas. The method and the apparatus have the advantages that no low-temperature pump is needed for conveying the low-temperature liquefied gas to a high-pressure apparatus from a low-temperature liquefied gas, so that no energy is consumed, and a low-temperature storage tank also does not need to be supercharged and thus is prevented from overpressure and emission so that potential safety hazards and waste are prevented, and therefore, the energy source is saved and the ecological environment is protected. The apparatus comprises a displacement unit (44), a BOG (Boil Off Gas) treatment unit (45) and the low-temperature storage tank (24). The apparatus is low in apparatus investment, small in floor area, free of electric power, low in operation maintenance cost and high in safety.

The invention provides a network RTK medium-long baseline ambiguity fixing method and platform, and the method comprises the following steps: obtaining a double-frequency pseudo-range observation value and double-frequency carrier phase observation data transmitted by a reference station; obtaining a floating point solution of double-difference wide lane combination ambiguity according to the double-frequency pseudo-range observation value and the double-frequency carrier phase observation data; obtaining a fixed solution corresponding to the floating point solution of the double-difference wide lane combination ambiguity according to a data optimization algorithm; and obtaining a fixed solution corresponding to the floating point solution of the single-frequency ambiguity according to thefixed solution corresponding to the floating point solution of the double-difference wide lane combination ambiguity. Therefore, the fixation rate and the reliability of the medium-long baseline ambiguity are improved.

The invention discloses a suction pressure type hydropower station and relates to the field of hydroelectric generation. A dam is built to increase the water level in the dam to impact a generator set arranged in a water conveying channel in the dam through fall head water flow, a downward pipeline and an extending pipeline of the water conveying channel are arranged to remove air in the pipeline, suction pressure produced through increasing of the water surface fall head of the water outlets of the downward pipeline and the extending pipeline acts on the generator set in the water conveying pipeline, the number of generator sets adapting to the water conveying pipeline can be increased according to the practical fall head, namely water flow force, and electric capacity can also be increased. The suction pressure type hydropower station has the advantages that building is easy, the cost is low, and hydropower stations in appropriate areas can be used for power generation and water conveying.

The invention discloses road side unit equipment which is used for an ETC system. The road side unit equipment comprises an indoor unit and more than two outdoor units connected with the indoor unit, each outdoor unit monitors at least one ETC lane, the outdoor units are used for being in communication connection with more than one vehicle-mounted unit which passes through the ETC lanes, radio frequency data of the vehicle-mounted units are obtained and are sent to the indoor unit, and the indoor unit is used for processing transaction of the vehicle-mounted units in parallel according to the radio frequency data of the vehicle-mounted units. The invention further provides the corresponding ETC system and a method for processing transaction with the road side unit equipment. According to the technical scheme, the indoor unit can be used for processing a plurality of vehicle-mounted devices which pass through the multiple ETC lanes in parallel, a synchronizer is of no need, accordingly, system complexity is lowered, and system stability is improved.

A reinforcing device of a simple communication rod base station comprises a diagonal bracing system, a transverse rod system, an embracing hoop system, a base system and a cast-in-situ foundation system. The embracing hoop system is mounted on a pipe body of a base station tower body. The bottom of the diagonal bracing system is fixedly connected with the base system and then mounted in the cast-in-situ foundation system in an embedded mode. The upper part of the diagonal bracing system is connected with the embracing hoop system. The transverse rod system is connected with the diagonal bracing system and the embracing hoop system to support and firm the diagonal bracing system. The reinforcing device increases the load capacity of the simple communication rod base station, so that an original simple communication rod base station satisfies the requirements of a shared base station, existing resources are utilized very well, and the station construction cost is reduced.

The invention relates to a space three-dimensional phase shifter of a base station antenna. The space three-dimensional phase shifter comprises a conductor shell provided with an upper layer conductor cavity and a lower layer conductor cavity, and feed network assemblies arranged in the conductor cavities in each layer; a lower layer feed network arranged in the lower layer feed network assembly comprises a first input port and m+n first output ports; an upper layer feed network arranged in the upper layer feed network assembly comprises m four-port networks and n three-port networks; each four-port network comprises three second output ports and a second input port which is connected with one first output port through a transmission line; and each three-port network comprises two second output ports and a second input port which is connected with one first output port through a transmission line, wherein m and n are both positive integers. The upper layer feed network of the space three-dimensional phase shifter adopts a combination of the three-port networks and the four-port networks, so that phase shifter requirements of different number of vibrators can be satisfied; and meanwhile, the space three-dimensional phase shifter is convenient to install, low in cost, high in antenna gain, and high in directivity.

The invention discloses a smart power grid line safety real-time monitoring device, which comprises a processing control unit, a communication module, a sensor module, a power supply module and a transmitter module. The processing control unit is used for controlling communication between the communication module and other nodes and between the communication module and a monitoring center, carrying out analysis processing on received data collected by sensors and giving an instruction to an executor; the sensor module adopts a multi-parameter mode and is used for collecting line status data; the communication module is connected and communicated with the monitoring center, and is used for transmitting local data and receiving instruction information of the monitoring center; the transmitter module is used for converting signals output by the sensors into signals capable of being identified by the processing control unit; and the power supply module is used for supplying power for the monitoring device. The monitoring device is suitable for a distributed monitoring mode; the multi-parameter sensors improve timeliness and effectiveness of the monitoring data; and thus accuracy and reliability of early warning are enhanced.

The invention provides a power control method and device, an inverter device and a power station controller. The power control method includes the steps that the inverter device receives a control instruction, wherein a first parameter for determining the reactive power compensation quantity by which the reactive power of a photovoltaic power station system is compensated through the inverter device and/or a second parameter for determining the harmonic compensation quantity by which harmonic waves of the photovoltaic power station system are compensated through the inverter device are/is carried in the control instruction; the inverter device determines the reactive power compensation quantity of reactive power compensation of the photovoltaic power station system of the inverter device according to the first parameter, and/or determines the harmonic compensation quantity of harmonic compensation of the photovoltaic power station system of the inverter device according to the second parameter; through the inverter device, the reactive power of the photovoltaic power station system is compensated according to the determined reactive power compensation quantity, and/or the harmonicwaves of the photovoltaic power station system are compensated according to the harmonic compensation quantity.

The invention relates to the technical field of a communication device and particularly relates to a stereo space phase shifter. The stereo space phase shifter comprises a conductor casing which is internally provided with upper and lower conductor chambers, and feed network assemblies arranged at each conductor chamber, wherein a lower feed network arranged on the lower feed network assembly comprises a first input port and N first output ports, an upper feed network arranged on the upper feed network assembly comprises N seven-port networks, each seven-port network comprises six second output ports and one second input port connected with one first output port through a transmission wire. The stereo space phase shifter is advantaged in that the upper feed network employs the N seven-port networks, the upper and lower feed networks are connected through only two transmission wires, welding points are correspondingly reduced, welding instability factors are correspondingly reduced, and maintenance cost is reduced.

The invention provides a mobile lifting mechanism used for lifting the trash forwarding station compression carriage, which is characterized in that the lifting device is the hydraulic lifting device; the lifting device is arranged on a guide rail; the guide rail is divided into a left part and a right part which are embedded in the collecting positions between two or a plurality of trash compressors on the forwarding station ground; the lifting device can move along the guide rail freely; each trash forwarding station can be composed of a lifting device and a plurality of trash compressors, or a trash compressor and a plurality of trash tanks; the lifting device can lift various types of carriages; the mobile lifting mechanism has the advantages of simple structure, wide adaptability, reducing the construction cost of the trash station greatly.

The invention relates to an SBS asphalt modifier, a preparation method and application thereof. The SBS asphalt modifier comprises, by mass, the following components: 10-15 parts of SBS, 50-60 parts of dispersion base and 1-3 parts of a stabilizer, wherein the dispersion base consists of oleic acid and stearic acid according to a mass ratio of 1:0.5-0.7. The SBS asphalt modifier can be used for improving asphalt by adopting a direct-throw type, and the asphalt can be modified on a site of an asphalt mixing station without being provided with professional equipment such as a colloid mill and the like, so that the SBS asphalt modifier plays an important role in reducing the station building cost of the asphalt mixing station and popularization and application of the SBS asphalt; according tothe invention, the SBS is firstly sheared and dispersed and then modified, so that the problem that prior SBS modified asphalt cannot be stored for a long time after being prepared is solved, namely,a direct-throw mode is adopted, and the SBS asphalt modifier can be thrown when the asphalt is used.

The invention provides a gas station and a power device and a control method of the gas station. The power device comprises a liquid suction and drainage tank and an air pressure adjusting mechanism. A liquid inlet of the liquid suction and drainage tank is connected with a first liquid outlet of a liquid storage tank. A liquid outlet of the liquid suction and drainage tank is connected with a liquid charging machine. An air inlet of the liquid suction and drainage tank is connected with a high pressure air supply mechanism. An air outlet of the liquid suction and drainage tank is connected with a low pressure air exhaust mechanism. In the first state, the liquid outlet of the liquid suction and drainage tank is disconnected with the liquid charging machine, the air inlet of the liquid suction and drainage tank is disconnected with the high pressure air supply mechanism, the air outlet of the liquid suction and drainage tank is made communicated with the low pressure air exhaust mechanism, and the liquid inlet of the liquid suction and drainage tank is made communicated with the first liquid outlet of the liquid storage tank. In the second state, the liquid inlet of the liquid suction and drainage tank is disconnected with the first liquid outlet of the liquid storage tank, the air outlet of the liquid suction and drainage tank is disconnected with the low pressure air exhaust mechanism, the liquid outlet of the liquid suction and drainage tank is made communicated with the liquid charging machine, and the air inlet of the liquid suction and drainage tank is made communicated with the high pressure air supply mechanism. The power device can replace an immersed pump, the cost is reduced, and the maintenance cost is reduced.

The present invention discloses a dual-band transceiver co-pole antenna system for a high-frequency marine radar. According to the system, two horizontal orthogonal loop antennas which can receive radar echo signals in double frequencies and a vertical monopole which can transmit and receive a radar signal alternately in double frequencies are combined on a support pole, when the system is used for target direction determination (DF), two orthogonal loops are used to receive the inherent nature characteristics of an echo signal to obtain the ideal directional graph of a receiving antenna, and the troublesome field measurement of the antenna directional pattern is not needed, and the detection performance is greatly improved by using a radar with two working frequencies at the same time. A part of the monopole is formed by the antenna support pole, the rigidity is strong, and thus the antenna system is fixed on a concrete base without a rope.

The invention discloses a communication intelligent lamp post and a working method of the communication intelligent lamp post. The communication intelligent lamp post comprises a micro-station antennaand an intelligent lamp post. The micro-station antenna is arranged on the top of the intelligent lamp post and is connected with the intelligent lamp post through a prefabricated flange. The micro-station antenna is an LTE cluster antenna, and the LTE cluster antenna comprises a single-sector micro-station antenna, a back-to-back micro-station antenna, a three-sector micro-station antenna and anomnidirectional micro-station antenna. By the adoption of the communication intelligent lamp post and the working method, the conventional lighting function can be realized, meanwhile the functions of peripheral signal coverage, environmental monitoring, intelligent monitoring and the like can be realized, and at night, the light source opening and brightness can be adjusted through sensing equipment, so that the power consumption can be effectively reduced, and the energy-saving and emission-reducing effects of a street lamp are improved; moreover, conventional base station construction causes discomfort to citizens easily; the micro-station antenna is perfectly combined with the street lamp and is not likely to being discovered, and the concealment is improved; and meanwhile, the micro-station antenna relies on the street lamp as a carrier, and a communication cabinet is buried underground, so that compared with traditional base station construction, the station construction cost isgreatly reduced, and the beneficial effect is in line with the interests of municipal department.

The invention relates to the technical field of communication devices, and specifically relates to a spatial three-dimensional phase shifter. The phase shifter comprises a conductor housing and feed network modules, wherein the interior of the conductor housing is provided with an upper conductor cavity and a lower conductor cavity, and the feed network modules are disposed in the conductor cavities. A lower feed network of the lower feed network module comprises a first input port and N first output ports. The upper feed network of the upper feed network module comprises N four-port networks, and each four-port network comprises three second output ports and one second input port which is connected with one first output port through a transmission line, wherein N is a positive integer. According to the invention, the feed network modules are placed in the conductor cavities, and the upper and lower feed networks are connected through the transmission line. The phase shifter is simple in structure, is easy to install and maintain, and can remarkably improve the production efficiency. The length of an antenna is about 1.9m, and the highest gain reaches 21.5dBi.

The invention discloses a container type battery replacing station and a battery replacing method thereof. The container type battery replacing station comprises a lower box body, an upper box body and a battery replacing mechanism. Control equipment is arranged in the lower box body, and a plurality of battery box bases are arranged on the lower box body in the length direction. The upper box body is detachably connected to the lower box body, and the upper box body and the lower box body are enclosed to form a cavity for accommodating a battery box. The battery replacing mechanism is movably arranged in the cavity, and the battery replacing mechanism is connected with the control device. The container type battery replacing station comprises the lower box body and the upper box body, and in the assembling process, the station can be rapidly built by sequentially hoisting the lower box body and the upper box body. And the control equipment is arranged on the lower box body, the space of the upper box body is not occupied, and the space utilization rate is increased. The container type battery replacing station is convenient to move, easy to install and low in manufacturing cost, module combination is achieved, the station building cost is remarkably reduced, and the container type battery replacing station is suitable for wide popularization.