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611results about How to "Significantly progressive" patented technology

Method for synthesizing fluorescence carbon dots with adjustable wave length in quantity and carbon quantum dots prepared through method

The invention discloses a method for synthesizing fluorescence carbon dots with adjustable wave length in quantity and the carbon quantum dots prepared through the method, and relates to a preparation method of the carbon dots with higher synthesis fluorescence efficiency and mass yield and adjustable emission wavelength in a whole visible region by utilizing the same precursor as a carbon source. According to the preparation method for heat-treating the same carbon source by adopting different solvents and a fast precipitation purification method, the process is simple, high-efficient, green and environment-friendly, raw materials are cheap, and the reaction temperature is 160 to 250 DEG C. Each synthesized carbon quantum dot is formed by compounding a graphitized crystal lattice core and a layer of amorphous carbon shell, and has better solubility, stability and higher luminous efficiency in a common solvent; the diameter is gradually increased along with emission wavelength red shift and is 2 to 12nm. The synthesized carbon quantum dot as a novel luminescent material has the advantages of low production cost, high preparation yield, good light emitting stability low biotoxicity and favorable application prospect in application of photoelectric devices. The preparation method of the high-efficient near infrared fluorescence carbon dots brings convenience and chance for biological application of the carbon dots.
Owner:CHINA UNIV OF MINING & TECH

Intelligent remote monitoring box-type substation

ActiveCN101908780AIdeal Remote Automation ControlHighlight substantiveCircuit arrangementsMicrocontrollerAutomatic control
The invention provides an intelligent remote monitoring box-type substation, which comprises a 6-10kV high-voltage circuit breaker, a distribution transformer, a low-voltage main switch control cabinet, a low-voltage reactive compensation cabinet, a low-voltage branch switch control cabinet, a metering device, a temperature measuring device, an anti-theft device, a remote automatic control terminal, a power substation computer connected with a two-way communication module, a power manager mobile phone and a mobile communication base station, wherein the remote automatic control terminal comprises a singlechip circuit, an electric parameter detection circuit, a harmonic detection and analysis unit circuit, a transmitting and receiving communication module, an output control signal circuit, a switch state detection circuit and a data communication interface circuit; and the singlechip circuit is respectively connected with the electric parameter detection circuit, the harmonic detection and analysis unit circuit, the switch state detection circuit, the output control signal circuit, the data communication interface circuit, and the transmitting and receiving communication module. The box-type substation has the advantages of practicability, economy, convenient use, high-efficiency operation and suitability for national conditions.
Owner:HENAN BOYUAN COMPLETE ELECTRIC

Information interaction safety protection system and operation realization method thereof

The invention discloses an information interaction safety protection system and an operation realization method thereof. According to the scheme, a space-time code system containing a display component, a scanning component and a background component is adopted and the system is used for generating and interacting cross-browser and cross-application space-time codes on each piece of corresponding Internet equipment; the background component is used for integrating multi-factor operation comprising equipment fingerprints, logic encryption, dynamic analysis, P2P checking, behavior factors, space factors and time factors and providing a background server defined by safety policies and rules, and is integrated with a corresponding business system; the display component and the background component are communicated by a pipe protection channel based on an IBE encryption mechanism and a double-certificate encryption mechanism of an account number certificate and an equipment certificate; the background component is communicated with a safety cloud platform and is sharing a dynamic algorithm with the cloud platform. With the adoption of the safety protection system and the scheme disclosed by the invention, the safety of close-range and remote certificate information is effectively protected, and an invisible account number system is created for an open platform with a complete flow protection.
Owner:JIANGSU PAYEGIS INFORMATION SECURITY TECH CO LTD

Low-voltage electric energy metering device capable of being assembled and disassembled in electrified state

The invention discloses a low-voltage electric energy metering device capable of being assembled and disassembled in electrified state. The device comprises a current mutual inductor, an electric energy meter box and an insulating wire clamp; the current mutual inductor is mounted on a low-voltage phase wire, the low-voltage phase wire passes through a central hole of a current mutual inductor iron core, a secondary winding outgoing line of the current mutual inductor is connected with the electric energy meter, the current mutual inductor is mounted in the electric energy meter box body or an indoor / outdoor low-voltage phase wire; the electric energy meter is directly clamped on the phase wire by the insulating wire clamp to collect voltage data required by the electric energy meter; the electric energy meter box body is mounted on an electric pole or a transformer rack; a three-phase four-wire electric energy meter is mounted in the electric energy meter box. When assembling and disassembling the electric energy metering device for assessing, the operation can be performed in electrified state without influencing the power supply to the user; the low-voltage electric energy metering device provided by the invention can improve the reliability of power supply and increase the enterprise and social benefit.
Owner:陈家斌 +6

Medicine for curing burn dressing and method of preparing the same

The invention provides a drug dressing for the burn treatment and a preparing method thereof. The drug dressing comprises the following bulk drugs calculated according to the parts by weight: each 0.6 to 1.5 parts of arnebia root, sanquisorba root, Chinese goldthread, pangolin, dark plum, Chinese gall, giant knotweed, coptis root, corktree bark, dahurian angelica, hyacinth bletilla, bornel, burnt hair and Vaseline, and 1.5 to 2.5 parts of dragon's blood resin; the drug dressing also comprises 20 to 60 parts of vegetable oil calculated according to the parts by weight; the method comprises the following steps that: the pangolin, the bornel, the burnt hair and the dragon's blood resin are ground into four drug powder; the other bulk drugs and the vegetable oil are put into an oil bath to be heated, the other bulk drugs are fired with a slow fire until golden, gruffs are fished out, and then drug oil is achieved; when the drug oil is cooled, the four drug powder are mixed into the drug oil, and is stirred uniformly. The dressing can create a moist and germfree local environment for the wounded area, and has the remarkable advantages that the anti-infection effect is good and the healing of wound surface is quick, so as to be applicable for military first aids, primary hospitals and families.
Owner:喻永强

Nickel oxide ore dressing process

The invention provides a concentration technology of nickel oxide ore. The concentration technology includes the following steps: material proportioning and granulation: nickel oxide ore is carried out bypass-recrushing and sifting so as to obtain fine ore which is carried out ore proportioning to obtain mixed mine, the mixed mine cooperates with a reducing agent and a flux to obtain mixed material which is further pelletized to obtain green pellets; reduction and roasting: the green pellets are put in roasting equipment to carry out reduction and roasting to obtain roasted pellets; protective quencher is carried out to the roasted pellets; magnetic concentration: after cooling off the roasted pellets, by ball milling and sifting, fine ore is obtained and put into magnetic-selection equipment to carry out magnetic concentration, and initial concentrate is obtained by magnetic concentration; and electrical selection: SiO2 is removed from the initial concentrate by electrical selection and final concentrate is obtained. The concentration technology is favorable to blast furnace ferronickel smelting with large scale, high efficiency and low energy consumption, has short technological process, low cost, notable anaphase economic benefits and strong controllability, and is favorable to refining nickel oxide ore and saving energy and reducing emission.
Owner:马和平 +2

Linear voltage stabilizer with self-adaptive enhanced power supply suppression

The invention discloses a linear voltage stabilizer with self-adaptive enhanced power supply suppression, which consists of a base voltage module, an adaptive enhancement EA module, a PMOS power tube,two voltage sharing feedback resistors and a load impedance. The input end of the linear voltage stabilizer is respectively connected with the source electrodes of the base voltage module and the power tube MP. The output end of the base voltage module is connected with the NP end of the adaptive enhancement EA module. The voltage sharing feedback resistors are connected in series and are connected with the load impedance in parallel. One end point of the parallel connection is grounded and the other end point is connected with the drain electrode of the power tube MP as the output end of thelinear voltage stabilizer. The voltage sharing node is connected with the NF end of the adaptive enhancement EA module. The output end of the self-adaptive enhancement EA module is connected with thegrid electrode of the power tube MP. The adaptive PSRR characteristic enhancement technology presented by this invention enables the loop main poles to change with the output poles adaptively according to the LDO load condition. Meanwhile, the loop is kept stable by utilizing the dynamic zero tracking technology and the higher PSR characteristic is kept in a wider frequency range.
Owner:3PEAK INC

Automatic switching device for economic operation of power transformer

InactiveCN101741095ASignificantly progressiveTimely and Accurate Adjustment of Economic OperationSingle network parallel feeding arrangementsTime delaysPower grid
The invention provides an automatic switching device for the economic operation of a power transformer, comprising a current signal detection circuit, a current signal judgment processing circuit, a time-delay circuit, a transformer switch-in closing circuit and a transformer switch-off tripping circuit; wherein the current signal detection circuit is connected with the current signal judgment processing circuit; the current signal judgment processing circuit outputs a large fixed value termination point and a small fixed value termination point which are respectively connected with the transformer switch-in closing circuit and the transformer switch-off tripping circuit through the time-delay circuit; when the current detection circuit detects that a current value exceeds a set large fixed value, the closing circuit is started in a time-delay way, and a transformer is automatically switched in for operation; and when a small fixed value is detected, the tripping circuit is started in a time-delay way, and the transformer is automatically switched off for the operation. The automatic switching device can accurately automatically finish the switching in time according to a set economic operation way of the transformer, be used for the parallel operation of the transformer and the operation of a main transformer and a sub-transformer, reduce the complex and heavy switching operation and the misoperation of workers and the operation loss of a power grid and enhance the enterprise and society benefits.
Owner:陈家斌 +8

Method for testing synthetic measuring error of high tension electric energy metering installation

The invention provides a method for testing the integrating measurement error of a measurement device of high-voltage electric energy and comprises the following steps: a pulse collecting and sending equipment is used for implementing the electric energy pulse sampling of an electric energy meter of the measurement device of high-voltage electric energy, and the collected electric energy pulse is sent out immediately through the radio signal representing the electric energy pulse; a radio receiving equipment is used for receiving the radio signal representing the electric energy pulse which is sent by the pulse collecting and sending equipment, restoring the radio signal to the pulse signal, and sending the pulse signal to an on-site testing meter of an AC meter which is connected with the radio receiving equipment; the on-site testing meter of the AC meter implements the voltage and electric current sampling and the electric energy testing on a low-voltage end of an electric transformer; the on-site testing meter of the AC meter computes and displays the integrating measurement error of the measurement device of high-voltage electric energy according to the input parameters which are related to the electric transformer. The method implements the remote sampling and the real-time transmission of the electric energy pulse of the electric energy meter to be tested and achieves the goal that the measured error is closer to be accurate.
Owner:ZHENGZHOU WONDER ELECTRICAL POWER

Abnormal data detecting method suitable for wireless sensor network

The invention discloses an abnormal data detecting method suitable for a wireless sensor network, which comprises the steps of clustering of network nodes: according to a clustering algorithm, the nodes related to data acquisition are sorted into one group, and one cluster head node of the group of nodes is selected; double detection: each node obtains a self-differentiation threshold through a training data set combined with the PCA algorithm, a global differentiation threshold is calculated by the cluster head node of the corresponding cluster, and any node carries out detection based on theself-differentiation threshold and the global differentiation threshold after detecting new data; detection model update: the composition of the training data set is changed along with the new detection data. The abnormal data detecting method suitable for the wireless sensor network in the invention fully utilizes the time and space correlation characteristics between the sensing data of the wireless sensor network nodes, proposes a dual detection mechanism combining local detection and global detection based on PCA, and proposes an update scheme of the abnormality detection model, which greatly improves the reliability of the abnormality detection model. The scheme is more suitable for detecting abnormal data of sensor networks in actual scenes.
Owner:NANJING UNIV OF POSTS & TELECOMM

Short-distance epidemic situation propagation network construction method based on Bluetooth scanning

The invention discloses a short-distance epidemic situation tracking method based on Bluetooth scanning and a social topology network, or is understood as a propagation network construction method. According to the invention, real contact crowd information is acquired by using app-based registration binding of a user mobile phone, a bracelet and other devices and using an MAC address or a UUID scanned by Bluetooth, and contact information including indexes, contact timestamps, contact times, contact duration, contact strength, RSSI and other data fields are set in a back-end server. The contact information is visualized into a social network graph which is of a point-line topological structure and is used for displaying contact relationship between personnel at the front-end platform of the disease control center, so that real-time visual monitoring of the disease control center on the health condition of regional personnel and the contact condition between the regional personnel is realized, and an objective reference standard is provided for epidemic situation tracking of the disease control center; the method can be applied to epidemic situation tracking of various types of infectious diseases including but not limited to new coronal pneumonia and the like, and serves as an informatization auxiliary tool for disease control work.
Owner:中科苏州智能计算技术研究院

Numerically-controlled continuous automatic herbal medicine roaster

The invention discloses a numerically-controlled continuous automatic herbal medicine roaster. The numerically-controlled continuous automatic herbal medicine roaster comprises a multi-section heating device, a feed opening, a herbal medicine roasting cylinder, a discharging device, a driving device and a numerical control device, wherein the herbal medicine roasting cylinder is provided with a cylindrical hollow drum; the feed opening and the discharging device are respectively arranged at the two ends of the herbal medicine roasting cylinder and communicated with the hollow drum; the hollow drum is made from a magnetic conducting material and rotatably arranged in the herbal medicine roasting cylinder, and guide grooves in helicoidal distribution are formed in the inner wall of the hollow drum; the multi-section heating device is arranged on the outer side of the hollow drum; the driving device drives the hollow drum to rotate; the numerical control device is used for setting and detecting the temperature of the inner wall of the hollow drum and controls the rotation speed of the hollow drum through the driving device; and the numerical control device comprises a temperature control unit, multi-section temperature can be flexibly set, and multi-section temperature distribution on the inner wall of the hollow drum can be realized in the axial direction of the hollow drum in the same period of time. The numerically-controlled continuous automatic herbal medicine roaster has the advantages of being uniform in heating, safe and clean, low in energy consumption and cost, accurate in temperature control, low in labor intensity and the like.
Owner:BEIJING KANGRENTANG PHARMA
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