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44results about How to "Overcome the shortcoming of single function" patented technology

Positioning, deviation correcting and theft judging method of intelligent iron shoe

The invention discloses a positioning, deviation correcting and theft judging method of an intelligent iron shoe. The positioning, deviation correcting and theft judging method comprises four steps ofsystem initialization, intelligent iron shoe theft judgment, intelligent iron shoe static positioning anti-drift treatment and intelligent iron shoe static positioning deviation correcting. Accordingto the intelligent iron shoe theft judgment algorithm, the intelligent iron shoe theft identification precision is improved layer by layer, the intelligent iron shoe theft state is judged quickly andaccurately, and the calculation amount of the intelligent iron shoe during theft judgment can be effectively reduced, so that the purpose of reducing energy consumption is achieved; the intelligent iron shoe static deviation correction algorithm maps the intelligent iron shoe positioning coordinates to the tracks on which the intelligent iron shoe is placed, so that the influence of GPS positioning errors on intelligent iron shoe state display is reduced. The positioning, deviation correcting and theft judging method of the intelligent iron shoe is suitable for judging the theft state of a railway station and correcting the deviation of the positioning information of the railway station after the intelligent iron shoe is applied to the railway station, which greatly improves the safety ofthe station and relieves the management pressure of personnel in the station.
Owner:南京富岛信息工程有限公司

Device and method for optimizing electric energy quality of photovoltaic poverty-alleviation rural power grid based on cooperative self-government

PendingCN106786585AImprove power quality operation levelImprove operating efficiency and economyPolyphase network asymmetry elimination/reductionReactive power adjustment/elimination/compensationSingle phasePower grid
The invention relates a device and a method for optimizing electric energy quality of a photovoltaic poverty-alleviation rural power grid based on cooperative self-government. According to the device and the method, the problems that conventional electric energy quality processing devices are relatively single and do not have ideal treatment effect in rural power grids of existing photovoltaic poverty-alleviation projects can be solved. The device comprises electric energy quality coordinating controllers and a single-phase electric energy quality processing device, wherein electric energy quality coordinating controllers are connected to phases A, B and C of a total inlet wire position of a low-voltage area network of rural power grid and are used for detecting electric energy quality information and sending electric energy quality information to a control circuit of the single-phase electric energy quality processing device; and single-phase electric energy quality processing device comprises an inverter circuit and control circuit, an energy storage device is connected to a direct current side of the inverter circuit, an alternate current side of inverter circuit and control circuit are connected with a phase line and a null line in the phases A, B and C, and control circuit is used for detecting electric energy quality information of an access point, simultaneously receiving energy quality information of electric energy quality coordinating controllers and controlling an IGBT (Insulated Gate Bipolar Translator) switch device to output current. According to the device and method, electric energy quality operation level of low-voltage area network is remarkably improved, operation efficiency and economy of a power distribution network are improved, and meanwhile, electric energy quality construction and transformation costs of low-voltage area network are lowered; and device and method are generally applicable to vast rural power networks.
Owner:ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER +3

Tester for testing fuel economical efficiency of light-weight automobile

The invention relates to a tester for testing the fuel economical efficiency of a light-weight automobile. Aiming at the problem that an automobile can be only tested on a simulation chassis rotary drum dynamometer because the existing fuel measurer can only measure transient fuel consumption or kilometer fuel consumption, so that the economical efficiency of an actual automobile cannot be testedon a road according to a rule, the invention provides a tester for testing the fuel economical efficiency of the light-weight automobile. The tester mainly comprises a fuel consumption meter, a singlechip, an interface chip, a control panel, a display, an automobile speed sensor, a main flow sensor, an auxiliary flow sensor, forwarding gear sensors, an analog/digital (A/D) converter, a circuit and the like. Fuel consumption can be tested according to a road spectrum diagram of a circulation working condition prestored into the singlechip or a requirement of a constant-speed working condition,so that a real road condition and an actual automobile condition can be reflected, and the current transient fuel consumption, the kilometer fuel consumption and the total stored fuel consumption canbe displayed and output; data cannot be lost in a state of power failure, and the data can be put off and accumulated in a state of power on; and the tester is convenient to mount, safe and reliable,and on-automobile test is convenient.
Owner:HEILONGJIANG INST OF TECH

Film-type wall water pipe boiler inspection door structure

The invention discloses a film-type wall water pipe boiler inspection door structure which comprises an embedded part which is fixedly arranged on a service port surrounding film-type wall, wherein a door seat plate is fixedly arranged on the embedded part, and a packaging cover plate is fixedly arranged on the outside of the door seat plate; an inner test port and an outer test port, an inner fire-observing port and an outer fire-observing port as well as an inner manhole and an outer manhole are respectively arranged on the door seat plate and the packaging cover plate in one-to-one correspondence; an inner fire-observing port cover plate is arranged on the inner fire-observing port, and the inner fire-observing port cover plate is articulated with the door seat plate; an openable manhole cover plate is arranged on the inner manhole, and test sensors are install in the inner test port and the outer test port; and an outer fire-observing cover plate is arranged on the outer fire-observing port, an openable outer manhole cover plate which is installed on the packaging cover plate is arranged on the outer manhole, and a driving device is arranged between the packaging cover plate and the inner fire-observing port cover plate. The film-type wall water pipe boiler inspection door structure provided by the invention has the advantages of simple structure, good heat insulation and heat preservation, comprehensive function and suitability for being applied to all film-type wall water pipe boilers.
Owner:ZHANGJIAGANG GREENS SHAZHOU BOILER

Truck-mounted self-loading and self-unloading forklift with weighing function

The invention relates to a truck-mounted self-loading and self-unloading forklift with a weighing function. The truck-mounted self-loading and self-unloading forklift with the weighing function comprises a forklift chassis, a pushing handle, a down pressing chain, a first control box, a two-way hydraulic power unit, a pallet fork mechanism, a driving assisting mechanism and a lifting mechanism, afirst frame mechanism and a second frame mechanism are arranged at one end of the forklift chassis, rear foot universal wheels and the pushing handle are arranged at the rear end of the forklift chassis, the pushing handle is arranged at the lower end of the forklift chassis, one end of the pushing handle is rotationally connected with the lower end of the forklift chassis, a bottomless square seat is arranged at the lower end of the forklift chassis, a movable supporting leg telescopic mechanism is arranged in the bottomless square seat, the first control box is arranged at the top end of thesecond frame mechanism, the two-way hydraulic power unit is arranged in the first control box, the lifting mechanism is arranged on the second frame mechanism, and the lifting mechanism is connectedwith the pallet fork mechanism and the driving assisting mechanism. The truck-mounted self-loading and self-unloading forklift with the weighing function has the beneficial effects that after the forklift lifts up and loads a carried object, the whole forklift can be retracted to the height of a carriage, enters the carriage and carries the goods in the carriage.
Owner:东凯叉车(常州)有限公司

A kind of ionic liquid extraction resin and its preparation and application method

The invention relates to ionic liquid extraction resin capable of realizing high-efficiency recycling of rare earth as well as preparation and an application method of the ionic liquid extraction resin. The ionic liquid extraction resin has a designable zwitterion structural characteristic; the physical and chemical property of the ionic liquid extraction resin can be regulated and controlled by changing the structure or the type of zwitterions, so that the problems of the conventional extraction resin has a single function and the conventional extraction agent is low in stability are solved; and the ionic liquid extraction resin can be used for recycling and separation of rare earth in a solution. According to the preparation method of the ionic liquid extraction resin, syrene anion exchange resin is used as a carrier material, and an acidic phosphine extraction agent is introduced into a syrene-divinylbenzene framework under the action of a non-covalent bond, so that the ionic liquid extraction resin modified by the acidic phosphine extraction agent is obtained. The ionic liquid extraction resin provided by the invention can effectively recycle rare earth ions, is high in adsorption rate and adsorption selectivity to the rare earth ions and can be used for the separation and the recycling of the rare earth in a complicated system.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Film-type wall water pipe boiler inspection door structure

The invention discloses a film-type wall water pipe boiler inspection door structure which comprises an embedded part which is fixedly arranged on a service port surrounding film-type wall, wherein a door seat plate is fixedly arranged on the embedded part, and a packaging cover plate is fixedly arranged on the outside of the door seat plate; an inner test port and an outer test port, an inner fire-observing port and an outer fire-observing port as well as an inner manhole and an outer manhole are respectively arranged on the door seat plate and the packaging cover plate in one-to-one correspondence; an inner fire-observing port cover plate is arranged on the inner fire-observing port, and the inner fire-observing port cover plate is articulated with the door seat plate; an openable manhole cover plate is arranged on the inner manhole, and test sensors are install in the inner test port and the outer test port; and an outer fire-observing cover plate is arranged on the outer fire-observing port, an openable outer manhole cover plate which is installed on the packaging cover plate is arranged on the outer manhole, and a driving device is arranged between the packaging cover plate and the inner fire-observing port cover plate. The film-type wall water pipe boiler inspection door structure provided by the invention has the advantages of simple structure, good heat insulation and heat preservation, comprehensive function and suitability for being applied to all film-type wall water pipe boilers.
Owner:ZHANGJIAGANG GREENS SHAZHOU BOILER

Multifunctional hat and coat stand

The invention belongs to the technical field of hat and coat stands, and particularly relates to a multifunctional hat and coat stand which is characterized in that a hat and coat stand body, a lighting component, a mosquito repelling component and a humidifying component form a whole, a lower column body is arranged on a base, a middle column body is arranged on the lower column body, and an upper column body is arranged on the middle column body; at least one hook is arranged on the upper column body; and the humidifying component comprises an air supply assembly, a humidifying assembly, a temperature sensing element and a temperature and humidity sensor. A controller is arranged in the base, the humidifying component is arranged above the upper column body, the air supply assembly is installed on the middle column body, the temperature sensing element is arranged at an air outlet of the humidifying component, and the temperature and humidity sensor is arranged on the upper end faceof the base. The multifunctional hat and coat stand is provided with the humidifying component, the lighting component and the mosquito repelling component, so that the multifunctional hat and coat stand has multiple functions, and the defect that an original hat and coat stand is single in function is overcome.
Owner:扬州元辉金属制品有限公司

Environment-friendly mattress capable of promoting blood circulation and preparation method of mattress

The invention discloses an environment-friendly mattress capable of promoting blood circulation. The environment-friendly mattress comprises a sponge mattress body and a mattress cover, wherein the sponge mattress body is prepared from the following materials by weight: 80kg of polypropylene glycol (PPG) (epoxy propane condensation compound), 13kg of polyether polyol (POP), 37.5kg of toluene diisocynate (TDI), 6kg H2O, 0.38kg of methene dichloromethane (MC), 0.18kg of T9 (stannous octoate), 1.13kg of silicone oil (triethylene diamine) and 2.82kg of far infrared powder. The preparation method comprises the following steps of: adding the far infrared powder to PPG, stirring fully and cooling to 24.5 DEG C; adding H2O, MC, T9 and silicone oil; stirring at high speed to foam the mixture, and simultaneously adding POP and TDI which are circularly cooled to 23 DEG C in advance by controlling the flow with a computer; and sizing, cutting and covering the mattress body with the mattress cover. According to the invention, the far infrared powder which has normal emissivity and is the most suitable for a human body is blended into the mattress to promote blood circulation and metabolism, thus the sleep quality of insomniac is greatly improved.
Owner:FUJIAN GENEROUS SLEEP TECH CO LTD

Terahertz wave polarization conversion and unidirectional transmission device with double-layer dielectric-metal grating structure

InactiveCN106772754BRealize the polarization conversion functionOvercome the shortcoming of single functionPolarising elementsLength waveWavelength
The invention discloses a terahertz wave polarization conversion and unidirectional transmission device with a double-layer participating medium-metal grating structure. The device comprises a metal grating layer, a medium substrate layer and a medium grating layer, wherein the metal grating layer and the medium grating layer are respectively positioned on two sides of the medium substrate layer; the medium grating layer is etched by a substrate material; an included angle between ridge orientation of medium grating and ridge orientation of metal grating is 45 degrees; the metal grating and the medium grating are sub-wavelength gratings; and the grating periods of the sub-wavelength gratings are smaller than the wavelength incident light. By the polarizing character of the metal grating layer and the artificial double refraction character of the medium grating layer, polarization conversion rate greater than 95% can be realized, and unidirectional transmission isolation greater than 30 db can also be realized. Due to the mode coupling effect between the metal grating layer and the medium grating layer, compared with a discrete component, the device has the characteristic that the emergent light transmissivity and working bandwidth are remarkably improved. The device is suitable for polarization conversion and unidirectional transmission of terahertz waves.
Owner:NANKAI UNIV

Fully distributed optical fiber strain and vibration sensing method and sensor

The invention discloses a fully distributed optical fiber strain and vibration sensor comprising a laser (1), a first coupler (2), a pulse modulation module (3), an optical amplifier (4), a circulator (5), a sensing optical fiber (6), a fiber bragg grating (7), a polarization scrambler, a second coupler, a balance photoelectric detector, an analyzer, a photoelectric detector (12) and a signal processing unit. Continuous light output by the laser (1) is split into two paths through the first coupler (2), wherein one path is used as reference light and is accessed to a first input end of the second coupler (9) through the polarization scrambler (8); and the second path is processed by the pulse modulation module (3) and the optical amplifier (4) and then used as detection pulse light to be injected into a first port of the circulator (5). In the invention, Brillouin optical time domain reflectometry (BOTDR) and polarization optical time domain reflectometry (POTDR) are simultaneously utilized for respectively and correspondingly carrying out fully distributed measurement on strain and vibration on a signal optical fiber, the defects of a system with single BOTDR or POTDR are overcome, and the false alarm rate or missed report rate of the system is decreased.
Owner:NANJING UNIV
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