34results about How to "Lower initial installation costs" patented technology

A reactive AGV system includes an AGV vision guidance system which places the camera system and controlled lighting sources between the drive wheels of the AGV to shield from ambient light and provide a constant lighting condition. The AGV guide path includes physical path properties for controlling AGV behavior. Visual Parameters of the guide path such as line thickness, line color, the presence and form of a secondary control line, or the presence of distinct a line elements may all be used as visual input control signals for the AGV. Additionally viewable icons are used for controlling AGV routing. These icons may, preferably, also be human readable to enhance the customer understanding and therefore usage of the system.

A data transmission method in a wireless relay system, and a method of selecting an optimal transmission mode based on a channel capacity of an individual link that is measured by a mobile station. The data transmission method includes: transmitting a first ratio of first partial data of the data from a base station to a mobile station; transmitting a second ratio of second partial data of the data from the base station to a first relay station; and forwarding the second partial data from the first relay station to the mobile station, wherein the first ratio or the second ratio is determined based on any one of a channel capacity of a first link between the base station and the mobile station, and a channel capacity of a second link between the first relay station and the mobile station.

The present invention discloses an anaerobic biological wastewater treatment system for treating wastewater containing organic contaminants, which includes an anaerobic sludge bed reactor and a dissolved-air flotation tank. The anaerobic sludge bed reactor is used to decompose organic contaminants by way of an anaerobic biological treatment. The dissolved-air flotation tank is used to carry out liquid-solid separation on effluent from the anaerobic sludge bed reactor, so that anaerobic microorganisms entrained in the effluent can be recovered and recycled to the anaerobic sludge bed reactor, thereby enhancing the hydraulic loading of the anaerobic sludge bed reactor.

A modular underground utilities vault enclosure and distribution system providing an integrated utilities interconnection system within a single modular enclosure and a single unified set of utility service connections leading from the vault to the premises of one or several utilities customers. The vault design comprises a set of modules suitable for assembly at the user site within a suitable excavation. The unified design permits installation of all utilities service lines within a single one-time trench connecting the vault to each of one or several premises through a common service-entry module. The vault assembly enables utilities access within the vault for connecting main utilities lines to individual premises utilities line sets. Each utility can service its own lines within the vault connecting to each premises served. The individual vault modules include assembly and alignment and interface aids to resist lateral displacement forces and seal the vault against groundwater leakage.

A data transmission method in a wireless relay system, and a method of selecting an optimal transmission mode based on a channel capacity of an individual link that is measured by a mobile station. The data transmission method includes: transmitting a first ratio of first partial data of the data from a base station to a mobile station; transmitting a second ratio of second partial data of the data from the base station to a first relay station; and forwarding the second partial data from the first relay station to the mobile station, wherein the first ratio or the second ratio is determined based on any one of a channel capacity of a first link between the base station and the mobile station, and a channel capacity of a second link between the first relay station and the mobile station.

The invention discloses a prefabricated thin and light-typed low-temperature hot-water floor radiation heating system, comprising a filtering device, a water mixing device, a first class water collecting-distributing device system, a second class water collecting-distributing device system, a general water feeding pipe, a general water returning pipe, a contact water feeding pipe, a contact water returning pipe, a heating loop, a heating pipe and a heated board. The first and second class water collecting-distributing device systems are respectively composed of 1 to N first and second class water collecting-distributing devices; each first class water collecting-distributing device adopts 1 to N second class water collecting-distributing devices, and each second class water collecting-distributing device adopts 1 to N heating loops according to needs; the first class water collecting-distributing device is connected with the general water feeding pipe and the general water returning pipe; each first class water collecting-distributing device is provided with 1 to N circuit branches which are respectively connected with the 1 to N second class water collecting-distributing devices through the contact water feeding pipe and contact water returning pipe; each circuit branch of the first class water collecting-distributing device corresponds to one second class water collecting-distributing device which corresponds to one heating unit. The heating system is comfortable, energy-conserving and environment-friendly and is provided with better heating stability and long service life.

A boil-off gas treatment system is disclosed. The boil-off gas treatment system according to the present invention comprises: a compressor which compresses boil-off gas that is generated in an LNG storage tank of a ship or floating structure; a heat exchanger which cools the boil-off gas that has been compressed in the compressor using boil-off gas that is to be introduced into the compressor by means of exchanging heat therebetween; an expansion means which adiabatically expands the boil-off gas that was cooled in the heat exchanger; a gas-liquid separator which separates the boil-off gas that was adiabatically expanded in the expansion means into gas and liquid, and supplies liquefied natural gas to the LNG storage tank; and a bypass line which supplies the adiabatically-expanded boil-off gas from the downstream of the expansion means to the downstream of the gas-liquid separator.

Disclosed are an apparatus for transmitting positioning signals, a method for indoor positioning based on the positioning signals, and an apparatus for performing the same. The method comprises receiving a plurality of acoustic or ultrasonic waves; measuring strengths of the received plurality of acoustic or ultrasonic waves; identifying frequencies of the received plurality of acoustic waves or ultrasonic waves; and performing positioning based on the measured strengths and the identified frequencies of the received plurality of acoustic waves or ultrasonic waves. Accordingly, positioning can be easily performed without additional separate hardware configurations, and positioning accuracy suitable for indoor positioning services can be achieved.

The present invention relates to a wavelength division multiplexing passive optical network (WDM-PON) for long-reach transmission using a position adjustment of a broadband light source (BLS), and particularly relates to a WDM-PON which extends s transmission distance of the WDM-PON by adjusting a position of a BLS so as to procure a high quality of service (QoS) and to reduce transmission costs in an optical network. A WDM-PON for long-reach transmission using a position adjustment of a broadband light source (BLS) in accordance with the present invention comprises a central office (CO) comprising an A-band BLS to be injected into a light source for downstream signals, an A-band BLS coupling device for coupling the A-band BLS, a first wavelength-division multiplexer / de not multiplexer connected to the A-band BLS coupling device for multiplexing / demultiplexing, and a plurality of first optical transceivers connected to the first wavelength-division multiplexer / d emultiplexer; a remote node (RN) comprising a B-band BLS coupling device and a second wavelength-division multiplexer / demultiplexer connected to the B-band BLS coupling device for multiplexing / demultiplexing, and being connected to the CO through an optical fiber; and a plurality of optical network terminations (ONTs) including a plurality of second optical transceivers connected to the second wavelength-division multiplexer / demultiplexer, wherein either the RN or one of the plurality of ONTs further includes a B-band BLS to be injected to a light source for upstream signals.An optical network system includes a central office (CO) comprising an A-band BLS to be injected into a light source for downstream signals, an A-band BLS coupling device for coupling the A-band BLS, a first wavelength-division multiplexer / demultiplexer connected to the A-band BLS coupling device for multiplexing / demultiplexing.

The invention relates to a special anti-cracking bentonite-based composite drill hole backfill material for a ground source heat pump. The special anti-cracking bentonite-based composite drill hole backfill material comprises the following components in parts by weight: 200 parts of bentonite, 800 parts of quartz sand and 0.9 kg / m<3> of motar / concrete crack-resistant fibers. The special anti-cracking bentonite-based composite drill hole backfill material disclosed by the invention can be used for improving a large quantity of cracks caused by intergranular cohesion change and nonuniform expansion and contraction in the drying and wetting circulating process of a bentonite-quartz sand type drill hole backfill material and preventing the surface water from being downwards infiltrated by closely filling a drill hole. The special anti-cracking bentonite-based composite drill hole backfill material disclosed by the invention can be used for reducing the heat resistance inside the drill hole due to good engineering characteristic when adopted for filling the drill hole, and can be used for reducing the depth of the drill hole and the length of a U-shaped pipe, thus reducing the initial assembly cost of the ground source heat pump and being contribute to the popularization and application of a ground source heat pump air-conditioning system which is low in energy consumption and environmentally friendly.

The embodiment of the invention discloses a road charging system and an operating method thereof. The road charging system includes a vehicle-mounted identity electronic label, computer control unitsarranged at the entrance and exit fee collection counters, a road side reading antenna unit, an image identification unit, a lane equipment unit and a network background, wherein the road side readingantenna unit, the image identification unit, the lane equipment unit and the network background are communicated with the computer control units. The operating method of the road charging system utilizes the vehicle-mounted identity electronic label and image identification mode to verify a target vehicle. In the road charging system and the operating method thereof, a new charging mode is used,thus avoiding cumbersome process of mounting OBU equipment, and reducing the initial mounting cost of the vehicle; avoiding the risk that the OBU equipment bank card is swiped without authorization; and by comparing the vehicle-mounted identity electronic label information with the vehicle number information, improving the safety of charging and avoiding fake plates.

The invention discloses an adjustable dead-corner-free suspension type far infrared heating system. The system comprises a motor, a spiral lifting device, a transmission shaft and a far infrared radiation device, the motor for driving the spiral lifting device is arranged at the upper end of the spiral lifting device, and the transmission shaft is arranged at the bottom end of the spiral lifting device. The upper end of the transmission shaft is fixedly connected with a screw rod in the spiral lifting device, and the bottom end of the transmission shaft is connected with the far infrared radiation device. The height position, the opening angle and the transmitting power of a far infrared heating plate can be adjusted, so that no heating dead angle exists, and a whole plant is heated by more uniform and sufficient far infrared radiation.

The invention discloses a method for controlling frequency conversion of a marine sea water cooling system. The method comprises the following steps: S1, detecting the temperature of sea water at the water inlet position and the water outlet position of a central cooler and calculating temperature difference; S2, judging whether the temperature difference exceeds a set temperature range, manually increasing the flow of cooling sea water if the temperature difference is higher than the temperature set range, manually reducing the flow of the cooling sea water if the temperature difference is less than the temperature set range, and not changing the flow of the cooling sea water if the temperature difference is in the temperature set range; S3, detecting the temperature of outlet water at a main cooling sea water outlet; S4, judging whether the outlet water temperature is higher than a first set value, sending out alarm prompt for manually increasing the flow of the cooling sea water if the outlet water temperature is higher than the first set value, and executing the step S5 if the outlet water temperature is less than the first set value; S5, judging whether the outlet water temperature is less than a second set value, and sending out alarm prompt for manually reducing the flow of the cooling sea water if the outlet water temperature is less than the second set value. By the method, the initial installation cost of equipment is effectively reduced, energy can be effectively saved, and maintenance is simple.

The invention relates to a plant for reducing the oxygen content in the atmosphere of an enclosed space and / or for maintaining a reduced oxygen content in the atmosphere of an enclosed space, below apreset operating concentration that is reduced in comparison to the oxygen concentration in normal ambient air. To that end, the plant has a gas separation system whose outlet is fluidically connectedto the enclosed space for the continuous supply of an oxygen-reduced gas mixture or oxygen-displacing gas. The gas separation system is configured such that, during continuous operation of the gas separation system, the oxygen concentration in the atmosphere of the enclosed space is always in a range between the preset operating concentration and a preset or settable lower limit concentration.

The invention provides a variable weft density weaving let-off mechanism which comprises a frame, a let-off main transfer unit, a let-off amount tension self-adjusting feedback unit, a multi-arm faucet and a dynamically-controllable let-off amount control unit, wherein the dynamically-controllable let-off amount control unit comprises a first wire rope, a harness pulley, a steering wheel, a composite steering wheel, a third return spring, a third wire rope and an additional tension adjusting spring; the first end of the first wire rope is connected with a harness lift arm of the multi-arm faucet, and the other end is connected to the composite steering wheel through the harness pulley and the steering wheel component; one end of the third wire rope is connected with the composite steering wheel, and the other end is connected with the additional tension adjusting spring; the other end of the additional tension adjusting spring is connected with a weight suspension foot in the a let-off amount tension self-adjusting feedback unit; and one end of the third return spring is fixed to the frame, and the other end is connected with the composite steering wheel. The variable weft density weaving let-off mechanism can implement the requirements of variable weft density weaving for let-off amount dynamic variation on a common gripper loom, and has the advantages of simple structure and low cost.

A pixel mirror-type reflection mirror for a natural lighting device is provided. A pixel mirror-type reflection mirror for a natural lighting device according to an embodiment of the present invention is installed on a natural lighting device to reflect introduced light to an irradiation area, and comprises: a support plate having a predetermined area; a plurality of reflection units provided as plate-shaped planar mirrors having a predetermined area and arranged on a surface of the support plate to be adjacent to each other, and at least one fastening member for fixing the plurality of reflection units to one side of the support plate, respectively, wherein the initial setting angle of the plurality of refection units is individually adjusted through the fastening member, and the plurality of reflection units expand and transfer sunlight areas using diffusion characteristics of sunlight.

The invention relates to kitchen equipment, in particular to an input type ultrasonic washer-disinfector for kitchens. The input type ultrasonic washer-disinfector comprises a controller and an executor, wherein the controller comprises a controller housing, a single-chip microcomputer, a control circuit and operation buttons. The control circuit comprises an ultrahigh frequency ultrasonic driving circuit which is connected with ultrasonic washers. The executor comprises the ultrasonic washers in multiple groups, vertical columns, a framework and a power source. The ultrasonic washers are fixed at one ends of the vertical columns perpendicular to the plane of the framework, the other ends of the vertical columns are fixedly connected with the framework, and the framework is of a telescopic structure and is thereby size adjustable. The input type ultrasonic washer-disinfector can sufficiently utilize existing facilities in the kitchens, is small in occupation space and low in mounting cost. The framework of telescopic structure is favorable to be directly matched with existing various kitchen sinks in the market, so that extra construction is omitted, and primary mounting cost of consumers is greatly reduced.

The invention adds a function of Wavelength-Division-Multiplexing (WDM) to conventional transmission units to enlarge the transmission capacity. The DC WDM device of the invention includes a first WDM coupler module for inputting a first WDM optical signal subjected to transmission and a first optical signal of a fixed wavelength to wavelength-division-multiplex the signals, and a second WDM coupler module for demultiplexing a transmitted WDM optical signal to divide the same into a second optical signal of the fixed wavelength and a second WDM optical signal of the remaining wavelengths. The WDM system of the invention includes a pair of DC WDM sub-systems connected to each other via optical transmission / receiving channels for transmitting / receiving WDM optical signals, where one of the DC WDM sub-systems includes a plurality of transmission units for transmission / receiving optical signals of fixed wavelengths into and from corresponding transmission units of the other DC WDM sub-system, a plurality of DC WDM devices connected to one another into the shape of a daisy chain while coupled to said transmission units in one-to-one relation, and a fiber amplifier connected between said optical transmission / receiving channels and one of said DC WDM devices subjected to connection to said channels.

The present invention discloses an anaerobic biological wastewater treatment system for treating wastewater containing organic contaminants, which includes an anaerobic sludge bed reactor and a dissolved-air flotation tank. The anaerobic sludge bed reactor is used to decompose organic contaminants by way of an anaerobic biological treatment. The dissolved-air flotation tank is used to carry out liquid-solid separation on effluent from the anaerobic sludge bed reactor, so that anaerobic microorganisms entrained in the effluent can be recovered and recycled to the anaerobic sludge bed reactor, thereby enhancing the hydraulic loading of the anaerobic sludge bed reactor.

The invention discloses a method for controlling frequency conversion of a marine sea water cooling system. The method comprises the following steps: S1, detecting the temperature of sea water at the water inlet position and the water outlet position of a central cooler and calculating temperature difference; S2, judging whether the temperature difference exceeds a set temperature range, manually increasing the flow of cooling sea water if the temperature difference is higher than the temperature set range, manually reducing the flow of the cooling sea water if the temperature difference is less than the temperature set range, and not changing the flow of the cooling sea water if the temperature difference is in the temperature set range; S3, detecting the temperature of outlet water at a main cooling sea water outlet; S4, judging whether the outlet water temperature is higher than a first set value, sending out alarm prompt for manually increasing the flow of the cooling sea water if the outlet water temperature is higher than the first set value, and executing the step S5 if the outlet water temperature is less than the first set value; S5, judging whether the outlet water temperature is less than a second set value, and sending out alarm prompt for manually reducing the flow of the cooling sea water if the outlet water temperature is less than the second set value. By the method, the initial installation cost of equipment is effectively reduced, energy can be effectively saved, and maintenance is simple.

A pixel mirror-type reflection mirror for a natural lighting device is provided. A pixel mirror-type reflection mirror for a natural lighting device according to an embodiment of the present invention is installed on a natural lighting device to reflect introduced light to an irradiation area, and comprises: a support plate having a predetermined area; a plurality of reflection units provided as plate-shaped planar mirrors having a predetermined area and arranged on a surface of the support plate to be adjacent to each other, and at least one fastening member for fixing the plurality of reflection units to one side of the support plate, respectively, wherein the initial setting angle of the plurality of refection units is individually adjusted through the fastening member, and the plurality of reflection units expand and transfer sunlight areas using diffusion characteristics of sunlight.

The invention relates to the technical field of wireless switches, in particular to a wireless intelligent switch based on a ZigBee technology. The structure of the wireless intelligent switch based on the ZigBee technology comprises a transmitting unit installed on an indoor wall and a receiving unit installed on a lamp circuit, wherein the transmitting unit is connected with the receiving unit through wireless signals, the transmitting unit comprises a main control chip, the main control chip is connected with a touch chip through a ZigBee transmitting module, the touch chip is electrically connected with a touch key on the indoor wall, and the main control chip is electrically connected with a flexible antenna through an antenna coupling circuit; and the receiving unit comprises a main control chip, the main control chip is electrically connected with a ZigBee receiving module, and the ZigBee receiving module electrically controls a lamp via an optocoupler. According to the wireless intelligent switch based on the ZigBee technology, the initial assembly cost is saved, the installation is convenient, the difficulty that the traditional switch can not lay wire cables is solved, the power consumption is low, and networking control can be realized via WIFI and a mobile terminal.

The invention discloses a weft-density-variable weaving and take-up mechanism which is characterized in that a weft-density-variable control mechanism comprises an isolating disc, a limiting pull rope, an isolating disc return spring and a control pull rope, wherein the isolating disc is installed on an output worm shaft through running fit; one end of the limiting pull rope is connected with a rack, and the other end is connected with the isolating disc; one end of the isolating disc return spring is connected with the rack, and the other end is connected with the isolating disc; one end of the control pull rope is connected with a second steel wire rope, and the other end is connected with the isolating disc; the isolating disc is provided with an axially extending isolating board; the isolating board covers the tooth surface of a density gear and is separated from the tooth surface of the density gear by a gap; and the isolating board can freely get into and out of the space between a support pillar and the density gear under the actions of the control pull rope, the isolating disc return spring and the limiting pull rope, thus changing or maintaining the number of the support teeth of the density gear, which are pushed to rotate by the support pillar. The weft-density-variable weaving and take-up mechanism can realize weft-density-variable weaving, and has the advantages of simple structure and low cost.

The invention relates to kitchen equipment, in particular to an input type ultrasonic washer-disinfector for kitchens. The input type ultrasonic washer-disinfector comprises a controller and an executor, wherein the controller comprises a controller housing, a single-chip microcomputer, a control circuit and operation buttons. The control circuit comprises an ultrahigh frequency ultrasonic driving circuit which is connected with ultrasonic washers. The executor comprises the ultrasonic washers in multiple groups, vertical columns, a framework and a power source. The ultrasonic washers are fixed at one ends of the vertical columns perpendicular to the plane of the framework, the other ends of the vertical columns are fixedly connected with the framework, and the framework is of a telescopic structure and is thereby size adjustable. The input type ultrasonic washer-disinfector can sufficiently utilize existing facilities in the kitchens, is small in occupation space and low in mounting cost. The framework of telescopic structure is favorable to be directly matched with existing various kitchen sinks in the market, so that extra construction is omitted, and primary mounting cost of consumers is greatly reduced.

The invention discloses a mobile power supply maintenance vehicle which comprises a power supply maintenance vehicle body. A battery pack is arranged in a rear box of the power supply maintenance vehicle body, mobile pulleys are arranged at the bottom of the battery pack, and the mobile power supply maintenance vehicle adapts to EV voltage and automatically adjusts output current through intelligent communication. The multidirectional charging technology provides vehicle-to-vehicle battery charging, vehicle-to-vehicle battery charging or vehicle-to-EV direct charging, the efficient oil-electricity hybrid energy conversion technology is adopted, the system efficiency is high, national V emission standard vehicles can be adopted, the system is not restricted by environmental protection regulations, self-generating equipment does not occupy the compartment space, the compartment utilization rate is maximized, the vehicle can be anywhere to supply power to various EVs. A front power take-off generator and a rear power take-off generator are arranged in an inner cavity of the power supply maintenance vehicle body 1, and vehicle-to-vehicle battery charging, vehicle-to-vehicle battery charging or vehicle-to-EV direct charging is provided through intelligent communication self-adaption to EV voltage, automatic adjustment of output current and a multidirectional charging technology.

The invention discloses to a heat metering system for heating of users, relating to a heat metering for heating. The heat metering system comprises a computer, a total heat meter and unit heat energy meters; the total heat meter and the unit heat energy meters respectively carry out the transmission of data information with the computer by a communication interface; the computer carries out metering through the following steps that: a flow distribution coefficient and a heat energy distribution coefficient of each user are preset; accumulated heat energy and flow data are read from the total heat meter; according to the preset flow distribution coefficient of the user, the flow of each user is calculated; the flow of each user is transmitted to the corresponding unit heat energy meter; the heat energy data of the user obtained through the calculation by the unit heat energy meter is received; whether the sum of the heat energy data fed back by each unit heat energy meter is equal to the accumulated heat energy in the total heat meter is judged; if yes, the steps are continued; otherwise, according to the preset heat energy distribution coefficient, a heat energy difference value is distributed, that is the user heat energy which is distributed with the difference value; and the user heat energy distributed with the difference value is transmitted to the unit heat energy meter.The heat metering system has the advantages of low cost and accurate metering.

The invention discloses a water-phase-change heat storage type solar energy and air energy double-energy-source heating system, and belongs to the technical field of energy conservation and environmental protection. The heating system comprises a solar water heater and an indoor heater; the solar water heater is mounted outdoors, the indoor heater is mounted indoors; an air source heat pump is arranged on one side of the solar water heater; a water tank is arranged at the top of the solar water heater; and a heat exchange pipe is mounted in the water tank. According to the heating system, water is used as a phase-change heat storage material, the price is low, environmental protection is achieved, the energy density is large, composite use can be achieved in the heating season, in summer,the solar water heater can be used for providing hot water, the air source heat pump is used for refrigeration, a user can utilize the original solar water heater of a farmer household for modification, thus the initial mounting cost is reduced, the working efficiency of the air source heat pump in severe cold is improved, and the operation cost is reduced; the scheme can be used in a composite mode, independent use is not affected, and the use efficiency is high.

The invention provides a variable weft density weaving let-off mechanism which comprises a frame, a let-off main transfer unit, a let-off amount tension self-adjusting feedback unit, a multi-arm faucet and a dynamically-controllable let-off amount control unit, wherein the dynamically-controllable let-off amount control unit comprises a first wire rope, a harness pulley, a steering wheel, a composite steering wheel, a third return spring, a third wire rope and an additional tension adjusting spring; the first end of the first wire rope is connected with a harness lift arm of the multi-arm faucet, and the other end is connected to the composite steering wheel through the harness pulley and the steering wheel component; one end of the third wire rope is connected with the composite steering wheel, and the other end is connected with the additional tension adjusting spring; the other end of the additional tension adjusting spring is connected with a weight suspension foot in the a let-off amount tension self-adjusting feedback unit; and one end of the third return spring is fixed to the frame, and the other end is connected with the composite steering wheel. The variable weft density weaving let-off mechanism can implement the requirements of variable weft density weaving for let-off amount dynamic variation on a common gripper loom, and has the advantages of simple structure and low cost.

The present invention relates to a method for reducing the oxygen content in the atmosphere of an enclosed space and / or for maintaining the reduced oxygen content in the atmosphere of an enclosed space below a predetermined operating concentration which is reduced compared to the oxygen concentration of normal ambient air. system. The system includes a gas separation system, the outlet of which is fluidly connected to an enclosed region for a continuous supply of an oxygen-reduced gas mixture or an oxygen-replacing gas. The gas separation system is configured such that during continuous operation of the gas separation system, the oxygen concentration in the atmosphere of the enclosed area is always kept within a range between a predetermined working concentration and a predetermined or definable lower limit concentration.