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33results about How to "Increase usage rate" patented technology

Solar heat collection, energy storage and back heating system applied to thermal generator set

The invention discloses a solar heat collection, energy storage and back heating system applied to a thermal generator set, and belongs to the field of energy conservation and emission reduction of the thermal generator set. The solar heat collection, energy storage and back heating system provided by the invention is connected with the conventional thermal generator set through a pipeline and a valve. The solar heat collection, energy storage and back heating system consists of a heat exchanger, an oil pump, a solar heat collection field, a heat accumulator and a heat exchanger which are connected in turn in a closed-loop mode; a heating working medium input end of the heat exchanger is connected with a center tap of a water supply pump of the thermal generator set; and a heating working medium input end of the heat exchanger is connected with a certain back heating steam extraction pipeline of the thermal generator set. The system can provide qualified heating steam for a certain back-heat heater through proper valve switching operation without changing a thermodynamic system structure of the conventional thermal generator set to stop using back heating extracted steam of a primary steam turbine so that the generating coal consumption of the thermal generator set is reduced and the purposes of energy conservation and emission reduction of the thermal generator set are fulfilled.
Owner:HUAZHONG UNIV OF SCI & TECH

Low-voltage distribution area dispersion reactive compensation method based on wireless network

InactiveCN103390897ALoad current reductionImproved average power factorReactive power adjustment/elimination/compensationReactive power compensationCapacitancePower grid
The invention relates to a low-voltage distribution area dispersion reactive compensation method based on a wireless network. A dispersing compensation device is arranged at each branch line tail end of a distribution output line of a 10 KV power grid after passing through a substation or each load concentrated area line. The dispersing compensation devices monitor voltages of corresponding branch line tail ends in real time and send data obtained through detection to a micro processor. The micro processor processes the obtained data and sends control signals, and capacitors are switched to balance circuit voltages. The dispersing compensation devices are networking with a regulation and control commanding center in a wireless connection mode through a wireless network communication module to exchange information. The regulation and control commanding center regulates and controls the dispersing compensation devices at the plurality of branch line tail ends in real time. The method is suitable for dispersing reactive compensation of the 10 KV distribution area, improves capacitor switching rate, prolongs the service life of the capacitors, reduces low-voltage line loss, overcomes the defects in low-voltage power grid concentrated compensation, increases low-voltage power grid tail end voltage and improves low-voltage power grid device use rate.
Owner:STATE GRID CORP OF CHINA +1

Full-automatic rotating soil cutter and utilization method thereof

The invention belongs to the field of geotechnical engineering triaxial test soil sample preparation devices and relates to a full-automatic rotating soil cutter and a utilization method thereof. Thefull-automatic rotating soil cutter comprises a mounting frame, a drive gear column, a threaded rod, a first driven gear disc, a soil cutting knife, an upper fixing plate mounting shaft and a lower fixing plate mounting shaft. The mounting frame comprises an upper mounting plate and a lower mounting plate, and the upper mounting plate and the lower mounting plate are in opposite arrangement; the drive gear column is arranged between the upper mounting plate and the lower mounting plate and can be driven to rotate by an external driving mechanism; one end of the threaded rod is mounted on the upper mounting plate while the center of the other end of the threaded rod is provided with a through hole; the first driven gear disc is in transmission connection with the drive gear column; the soilcutting knife is mounted on the lower surface of the first driven gear disc; the upper fixing plate mounting shaft is mounted on the upper mounting plate while an upper fixing plate is mounted at theother end of the upper mounting plate; one end of the lower fixing plate mounting shaft is mounted on the lower mounting plate while a lower fixing plate is mounted at the other end of the lower fixing plate mounting shaft. Soil disturbance and damages in soil sample preparation can be avoided.
Owner:HOHAI UNIV

Method and device for judging leakage protection starting and delay action of power grid

The embodiment of the invention discloses a method and a device for judging leakage protection starting and delay action of a power grid. The method comprises the following steps: acquiring the real-time residual current of the upstream of a protected section; determining a residual current phasor break variable of the upstream of the protected section according to the real-time residual current and the residual current of the upstream of the protected section before two cycles; according to the amplitude of the residual current phasor break variable and a preset setting value, judging whether leakage protection is started or not; and judging whether leakage protection acts or not according to the phase difference between the phase of the residual current phasor break variable and the three-phase voltage. According to the embodiment of the invention, the residual current is reflected by using the amplitude of the residual current phasor break variable measured at the upstream of the protected section and the phase difference between the amplitude and the three-phase voltage, so that the leakage fault detection and protection are realized, and the leakage protection level and the leakage protection reliability of the low-voltage distribution network are improved.
Owner:GUANGDONG POWER GRID CO LTD +1

Casting cutting machine

The invention discloses a casting cutting machine. The casting cutting machine comprises a cutting machine body. A conveying groove is formed in the cutting machine body, a material falling port is formed in the upper side wall of one side of the conveying groove, the side wall of the conveying groove is fixedly connected with a material guiding plate arranged in an inclined manner, a rectangular groove is formed in the side wall of the upper end of the conveying groove, the side wall of the rectangular groove is fixedly connected with a limiting plate, and the limiting plate is fixedly connected with a motor. The output end of the motor is fixedly connected with a rotating shaft, a horizontal groove is formed in the side wall of the bottom end of the rectangular groove, a positioning block is connected to the end of the rotating shaft through a transmission mechanism, connecting plates are fixedly connected to the side walls of the two sides of the positioning block, each connecting plate is provided with a linkage mechanism, the bottom end of the positioning block penetrates through the side wall of the horizontal groove and extends into the conveying groove, a cooling mechanism is arranged at the bottom end of the positioning block. According to the casting cutting machine, the positioning block can drive an abutting plate to move upwards when a cutter conducts cutting, so that a casting is stopped, the cutter can better cut a casting, the casting cutting quality is effectively improved, and subsequent machining is facilitated.
Owner:商都中建金马冶金化工有限公司

Low-voltage power distribution network multi-point differential earth leakage protection method based on power distribution internet of things

The invention discloses a low-voltage power distribution network multi-point differential earth leakage protection method based on a power distribution internet of things, and belongs to the field of power distribution network relay protection. Traditional residual current protection only utilizes in-situ residual current information, needs multi-stage cooperation, and is easy to cause maloperation and low in sensitivity. The low-voltage power distribution network multi-point differential earth leakage protection method based on the power distribution internet of things can be realized based on a power distribution internet of things platform, and comprises the following steps: arranging a protection device at the upstream of a protected section, subtracting the sum of the measured residual current amplitude and the measured residual current amplitude of each detection point of a downstream section, and taking the difference as an action criterion, so as to realize electric leakage protection. On one hand, the method can be fully combined with the power distribution internet of things technology to realize intelligent and informationized leakage protection; on the other hand, the influence of factors such as downstream unbalanced leakage current can be effectively overcome, and protection maloperation is reduced; in addition, the method does not need delayed cooperation, and the action speed is high; and a relatively low action threshold can be set, and the sensitivity is high.

Folding type intelligent logistics cabinet with variable grid volume

InactiveCN112826246ASolve the cumbersome steps of variable operationsIncrease usage rateFurniture partsDismountable cabinetsLogistics managementAgricultural engineering
The invention discloses a folding type intelligent logistics cabinet with variable grid volume, which structurally comprises a logistics cabinet, a support frame, a canopy, an electric control door, an operation screen and a code scanning groove, the top of the logistics cabinet is in welded connection with the support frame, the upper end of the support frame is in welded connection with the canopy, the lower end of the canopy is in clearance fit with the logistics cabinet, and the front end of the logistics cabinet is in hinged connection with the electric control door, the electric control door is in clearance fit with the interior of the operation screen, the lower end of the operation screen is in clearance fit with the code scanning groove, the logistics cabinet comprises a folding plate, a carrying cavity, a fixed wall and an equipment box, and the tail end of the folding plate is fixedly connected with the fixed wall in an embedded mode. After the bearing plates are matched with the swing seat to swing upwards, the bearing plates are overlapped, and after overlapping, an anti-slip strip is used for bearing the express parcels, so that the pressure reduction block at the lower end decomposes the force after being stressed, and the overlapped carrier plates are fixed under the matching of the connecting ring, so that the step of tedious variable operation of a folding grid is effectively solved, and the use speed of an operator is accelerated.
Owner:曾丽琼

Node board card and server

The invention discloses a node board card. The node board card comprises a Flash chip; a one-to-two switcher, wherein the first end circuit of the one-to-two switcher is connected with the Flash chip,and the second end circuit of the one-to-two switcher is connected with the BMC chip and the data receiving interface; a one-to-four switcher, wherein one end circuit of the one-to-four switcher is connected with one end of the one-to-two switcher, four end circuits of the one-to-four switcher are respectively connected with four data sending interfaces, and the BMC chip is configured to judge whether the BMC chip is a main node board card or not based on a two-end circuit of the one-to-two switcher; responding to the own main node board card, the update message is received and it is judged to update the node board card based on the update message; and the update information is sent to the update node board card and the update node board card is updated according to the update information. The invention further discloses a server which comprises a plurality of node board cards. By utilizing the switcher of the node board card, the single node board card can update long-distance Flashinformation of the multi-node board card, a bus protocol with a higher rate can be used, and the burning speed is increased.
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD

A casting cutting machine

The invention discloses a casting cutting machine, which comprises a cutting machine body, the cutting machine body is provided with a transmission groove, the upper side wall of one side of the transmission groove is provided with a blanking port, and the side wall of the transmission groove is fixedly connected with a material guide plate arranged at an angle , the upper side wall of the transmission slot is provided with a rectangular slot, the side wall of the rectangular slot is fixedly connected with a limiting plate, the limiting plate is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the bottom side wall of the rectangular slot is provided with a horizontal slot, The end of the shaft is connected with a positioning block through a transmission mechanism, and the side walls on both sides of the positioning block are fixedly connected with connecting plates, and the connecting plate is provided with a linkage mechanism. A cooling mechanism is provided at the bottom end of the block. The positioning block of the present invention can drive the resisting plate to move upward when the cutting knife is cutting, thereby blocking the casting, allowing the cutting knife to cut the casting better, effectively improving the quality of casting cutting, and facilitating subsequent processing .
Owner:商都中建金马冶金化工有限公司

Rating method of heavy machinery manufacturing enterprises suitable for a bank system

ActiveCN111709639AQuickly determine the authenticityPrevent illegal transactionsDigital data information retrievalFinanceBusiness enterpriseFinancial transaction
The invention relates to a rating method of heavy machinery manufacturing enterprises suitable for a bank system. The rating method comprises the following steps: collecting and counting specified information of enterprises to be rated; extracting text information in the image information; retrieving enterprise information from the cloud according to the information; calling a specified keyword toretrieve the information; judging and verifying actual owners of the enterprise according to the information; counting enterprise transaction information, and performing initial risk rating and initial credit rating on the enterprise; and selecting a period, and performing statistics on the enterprise transaction information in the period to perform period risk rating and period credit rating. According to the invention, statistics and processing are carried out on enterprise information; risk rating and credit rating are carried out on the enterprise; the risk coefficient of the bank in business handling of the enterprise is reduced through the front risk rating, the credit rating of the enterprise is quickly judged through the central control module, the rating efficiency of the bank tothe enterprise is improved, and the bank can rating a large number of enterprise customers in the heavy machinery manufacturing industry in a short time.
Owner:湖南三湘银行股份有限公司

A Rating System for Heavy Machinery Manufacturing Enterprises Suitable for Banking System

ActiveCN111738581BQuickly determine the authenticityPrevent illegal transactionsFinanceCharacter and pattern recognitionInformation processingRating system
The invention relates to a rating system suitable for heavy machinery manufacturing enterprises in the banking system, comprising: an information processing module, a text recognition module, a communication module, a data module and a central control module. The present invention uses the information processing module and the text recognition module to identify and process information, uses the communication module to obtain information from the big data in the server, and then uses the data module to select specified keywords to retrieve the enterprise information, and can quickly determine the authenticity of the enterprise And the field to which the enterprise belongs, at the same time, the present invention uses the central control module to sequentially perform initial risk rating and initial credit rating on the enterprise, and by setting the risk rating before the credit rating, the risk coefficient of the bank when handling business with the enterprise is reduced, and through the The control module quickly judges the credit rating of the enterprise, which improves the efficiency of the bank's rating of the enterprise, and enables the bank to rate a large number of heavy machinery manufacturing enterprise customers in a short period of time.
Owner:湖南三湘银行股份有限公司

A children's music drum that improves fun based on light and music changes

The invention discloses a children's music drum for increasing the fun based on changes lamplight and music, and relates to the technical field of children's toys. The children's music drum for increasing the fun based on the changes lamplight and music comprises a base, the top of the base is movably connected with a cylinder body, a drum head is movably installed in the top of the cylinder body,the bottom of the cylinder body is fixedly connected with the top of a rotary plate, and the rotary plate is embedded into the top of the base. The middle of the top of the base is concaved inwards and fixedly connected with a ball journal, the bottom of the rotary plate is fixedly connected with an inner ring of the ball journal, and a fixing sleeve is embedded into the middle of the rotary plate. According to the children's music drum for increasing the fun based on the changes lamplight and music, when a child presses the portion, close to one side of a drum body, of the drum head, the portion, on the opposite side, of the drum head gives off colorful light to attract the attention of the child, a sound generator on the lower portion of the pressed side synchronously produces a musicalsound, the fun of the toy is further increased, and the frequency of using the toy is improved.
Owner:安徽智时代软件服务有限公司

Children's music drum for increasing fun based on changes lamplight and music

The invention discloses a children's music drum for increasing the fun based on changes lamplight and music, and relates to the technical field of children's toys. The children's music drum for increasing the fun based on the changes lamplight and music comprises a base, the top of the base is movably connected with a cylinder body, a drum head is movably installed in the top of the cylinder body,the bottom of the cylinder body is fixedly connected with the top of a rotary plate, and the rotary plate is embedded into the top of the base. The middle of the top of the base is concaved inwards and fixedly connected with a ball journal, the bottom of the rotary plate is fixedly connected with an inner ring of the ball journal, and a fixing sleeve is embedded into the middle of the rotary plate. According to the children's music drum for increasing the fun based on the changes lamplight and music, when a child presses the portion, close to one side of a drum body, of the drum head, the portion, on the opposite side, of the drum head gives off colorful light to attract the attention of the child, a sound generator on the lower portion of the pressed side synchronously produces a musicalsound, the fun of the toy is further increased, and the frequency of using the toy is improved.
Owner:安徽智时代软件服务有限公司
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