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36results about How to "Good for promotion and application" patented technology

Conformal cooling waterway mold structure and processing method

The invention discloses a conformal cooling waterway mold structure and a processing method, relates to the technical field of mold manufacturing, and solves the problems that the conventional 3D printed conformal cooling waterway mold has high cost, and the print size is limited. According to the technical scheme, the conformal cooling waterway mold structure comprises a basal body and an insert, wherein a groove is formed in the molding surface of the basal body, and at least two waterways communicated with the groove are arranged in the basal body; the insert is mounted in the groove, and conformal waterways are arranged on the two sides of the contact surface of the insert and the basal body or in the insert and communicated with the waterways in the basal body to form channels; a cladding layer is arranged at the seam line of the insert and the basal body, and the external surface of the cladding layer is the molding surface. The conformal cooling waterway mold structure is detachably processed, and the insert can be processed in the conventional mechanical processing way or the selective laser melting 3D printing processing way. The liquid and gas sealing in the waterways is ensured, the processing and manufacturing cost is significantly reduced, and the popularization and application of the conformal cooling waterway is facilitated.
Owner:四川长虹模塑科技有限公司

Balanced switching control circuit for battery management system

The invention discloses a balanced switching control circuit for a battery management system. The balanced switching control circuit is characterized by comprising a backward stage switching switch group, a preceding stage lower half switching switch group, a preceding stage upper half switching switch group, and a CPU (Central Processing Unit), wherein the backward stage switching switch group is formed by a backward stage lower switching switch and a backward stage upper switching switch; the number of switches of the preceding stage lower half switching switch group is one more than units of battery cells forming a lower half series battery group; and the number of switches of the preceding stage upper half switching switch group is one more than units of battery cells forming an upper half series battery group. The backward stage switching switch group is a bipolar on-off switching switch, static contacts of the backward stage lower switching switch and the backward stage upper switching switch are respectively connected with balanced BUS- and balanced BUS+, controlled terminals of all the switching switches are connected with the CPU, the CPU sends a command to control the switching, and one battery cell needs to be balanced is switched to be connected onto the balanced BUS+ and BUS- so as to be connected with a discharging and charging module. According to the circuit, the withstand voltage requirement of the switching switches is reduced by half, and low-voltage switching switches are beneficial for being popularized and applied in battery balanced circuits with multiple strings.
Owner:SHENZHEN KELIE TECH

Energy-saving type vegetable seed dressing device

The invention discloses an energy-saving type vegetable seed dressing device, and belongs to the technical field of agricultural planting. The problem that the dressing degree of manual dressing is controlled manually, uniform mixing of seeds and liquid pesticide is difficult to realize, and accordingly the later growth and development of the seeds are influenced is solved. The device is technically characterized by comprising a supporting vertical plate, a dressing tank, a hard flow guide pipe and a liquid chemical compression and release cavity, the supporting vertical plate is arranged on the left, two first supporting rods are symmetrically welded to the lower surface of the dressing tank, the lower ends of the first supporting rods sleeve a horizontal guide rail, the hard flow guide pipe is arranged on the upper potion of the dressing tank, and the left end of the hard flow guide pipe is fixedly communicated with a flow guide hose; the flow guide hose is connected with the liquidchemical compression and release cavity. By means of the device, the liquid chemical and the seeds are fully mixed; meanwhile, due to left and right sliding of the dressing tank and the stirring function of a stirring paddle in the dressing tank, it is ensured that the liquid chemical is evenly distributed on the outer surfaces of the seeds, and the device saves energy and is environmentally friendly and beneficial to application and popularization.
Owner:莘县鲁开综合服务有限公司

Shuttlecock humidor based on semiconductor humidification

The invention discloses a shuttlecock humidor based on semiconductor humidification. The shuttlecock humidor comprises a shell (11), the shell (11) is internally provided with a semiconductor refrigeration piece (7) which is horizontally placed, the semiconductor refrigeration piece (7) is arranged in a heat insulation plate (6), a first radiator (51) is arranged at the lower part of the heat insulation plate (6), a first water storage material block (14) is embedded into the bottom surface of the first radiator (51), a horizontally-placed humidifying pore plate (8) is arranged right below thefirst water storage material block (14), a second radiator (52) is arranged on the upper part of the heat insulation plate (6), a second water storage material block (15) is embedded into the top surface of the second radiator (52), and the position, corresponding to the second water storage material block (15), of the peripheral side wall of the shell (11) is provided with a circle of radiatingholes (12) which are distributed in a surrounding manner. According to the shuttlecock humidor based on semiconductor humidification, the moisture scattering amount can be accurately controlled, and the humidity in a shuttlecock barrel can be ensured, so that the service life of a shuttlecock can be prolonged.
Owner:TIANJIN UNIV OF COMMERCE

Selective near-infrared light response shape memory polymer composite material and preparation method thereof

The invention discloses a selective near-infrared light response shape memory polymer composite material. A rare-earth organic complex is adopted as a selective photo-thermal filler, and a thermotropic shape memory polymer is adopted as a polymer matrix material; the general formula of the rare-earth organic complex is RMmNn, wherein R represents ytterbium or neodymium; M represents a carboxylic acid organic ligand and m is 0-4; and N represents a conjugate organic ligand and n is 0-4. The invention further discloses a preparation method of the selective near-infrared light response shape memory polymer composite material. The selective near-infrared light response shape memory polymer composite material is prepared by mixing the selective photo-thermal filler and the polymer matrix material through a physical method and/or a chemical method, wherein 100 parts of polymer matrix materials are adopted, 0.1-50 parts of photo-thermal fillers are adopted during mixing in the physical method, and 0.1-20 parts of photo-thermal fillers are during mixing in the chemical method. The cost of the selective photo-thermal filler is effectively reduced, and popularization and application of a selective near-infrared light response shape memory polymer are facilitated.
Owner:南京晟阑新材料有限责任公司

Opening control method for hydrogen cylinder system of hydrogen fuel cell

The invention provides an opening control method for a hydrogen cylinder system of a hydrogen fuel cell. The opening control method comprises the following steps: S100, acquiring the current pressure of each hydrogen cylinder; S200, sequencing and numbering the hydrogen cylinders according to the pressure difference threshold values of bottleneck valves; S300, screening out the cylinder opening valve with the maximum pressure difference threshold value in the cylinder opening valves which are not opened, wherein the number of the hydrogen cylinder corresponding to the cylinder opening valve is A, the pressure of the hydrogen cylinder with the number A is P (A), and the pressure difference threshold value of the cylinder opening valve of the hydrogen cylinder with the number A is DPmax; S400, reading the current pressure Ptube of a hydrogen supply pipeline, judging whether P(A) -Ptube is greater than or equal to DPmax or not, if so, executing step S600, and if not, executing step S500; S500, keeping the bottleneck valve of the hydrogen cylinder with the serial number of A in a closed state, operating a hydrogen fuel cell, and turning to step S400; S600, opening the cylinder opening valve of the hydrogen bottle with the serial number of A, and after waiting for time twait, turning to step S700; and S700, judging whether the bottleneck valves of all the hydrogen cylinders are opened or not, if so, ending the process, and if not, turning to step S300.
Owner:BEIJING SINOHYTEC

Electronic book

The invention discloses an electronic book, which comprises N electronic pages, and is characterized in that each electronic page comprises an upper surface and a lower surface; the upper surface of the ith electronic page displays the book content of the kth page, and the lower surface of the ith electronic page displays the book content of the (k + 1)th page; the ith electronic page can rotate around the spine body, so that the upper surface of the ith electronic page is attached to the lower surface of the (i-1)th electronic page; when the ith electronic page rotates in the direction closeto the (i-1)th electronic page and the rotation angle relative to the Nth electronic page is larger than a first preset angle, the book content of the (k + 2N)th page is displayed on the upper surfaceof the ith electronic page, and the book content of the (k + 1 + 2N)th page is displayed on the lower surface of the ith electronic page. Through the limited number of electronic pages, a user can read the content of the book completely in a mode of cyclically browsing the electronic pages, the user can continuously turn over the electronic pages during the period, and the electronic book provides an automatic content skipping and continuous reading function for the user. As the number of the electronic pages is limited, the cost is low, and popularization and application are facilitated.
Owner:SHANGHAI ART & DESIGN ACADAMY

Chimney device for capturing and recovering CO2

The invention discloses a chimney device for capturing and recovering CO2. The chimney device comprises a flue, and an alkali washing section and an absorption section which are arranged in the flue. The alkali washing section performs desulfurization and denitrification on flue gas by spraying alkali liquor. The alkali washing section comprises a liquid collecting tray, an alkali liquor outlet, a gas distributor and at least one alkali liquor spray head from bottom to top. The absorption section is arranged above the alkali washing section and absorbs CO2 in the flue gas by spraying barren liquor. The absorption section comprises a first gas rising cap liquid collector, a rich liquor outlet and a plurality of barren liquor spray heads from bottom to top. According to the chimney device for capturing and recycling CO2, the chimney structure of an existing factory is utilized, the alkali washing section and the absorption section are arranged in the flue of the chimney, the effects of a purification tower and an absorption tower arranged in a CO2 capturing process in the prior art are replaced, the investment cost and the maintenance cost of equipment are reduced, application and popularization of the CO2 capturing process are facilitated, and huge economic value is shown in actual industrial application.
Owner:CHINA PETROCHEMICAL CORP +2

Roadside intelligent parking card point charging method and device, equipment and medium

The invention discloses a roadside intelligent parking card point charging method and device, equipment and a medium, and relates to the technical field of intelligent parking. The method provided by the embodiment of the invention comprises the following steps: acquiring a charging rule; when it is detected that the vehicle enters the parking lot, generating at least one charging time point according to the charging rule; acquiring first parking information of a parking space; detecting whether the vehicle leaves the parking lot, and if so, ending the current charging period; if the vehicle does not leave the parking lot, obtaining second parking information of the parking space within a set time interval after the vehicle parking time reaches the charging time point; and judging whether the second parking information is consistent with the first parking information or not, and then continuously acquiring the parking space image at the next charging time point or ending charging according to a judgment result. According to the method provided by the embodiment of the invention, the complete evidence chain in each charging time period can be generated by detecting the parking space data and acquiring the images according to the charging rule card points.
Owner:普行智能停车(深圳)有限公司

Erasable liquid crystal handwriting device and erasing method

The invention discloses an erasable liquid crystal handwriting device and an erasing method. The handwriting board comprises a handwriting screen, a signal receiver, a memory, an image decoder, a controller and an erasure driving circuit, the handwriting screen comprises a liquid crystal handwriting module and an OID coding layer arranged on the liquid crystal handwriting module, the liquid crystal handwriting module comprises a plurality of conductive areas, each conductive area corresponds to at least one OID code on the OID coding layer, and the OID coding layer is connected with the controller. The memory is used for storing the corresponding relation between the OID codes and the conductive areas, the erasure driving circuit is connected with each conductive area, the controller is connected with the erasure driving circuit and the image decoder, and the image decoder is connected with the memory and the signal receiver; the handwriting pen comprises a sensor and a signal transmitter, the sensor is connected with the signal transmitter, and the signal transmitter is in signal connection with the signal receiver. The sensor collects OID code information according to the action of the handwriting pen, the handwriting board erases patterns and characters in the conductive area corresponding to the OID code information, and the local erasing function is achieved.
Owner:江苏纳美达光电科技有限公司

Fixed column type cantilever crane having ingenious folding and storing functions

InactiveCN111732002AExpansion convenience and efficiencyGood for promotion and applicationCranesRunwaysElectric machineryCantilevered beam
The invention discloses a fixed column type cantilever crane having ingenious folding and storing functions. The fixed column type cantilever crane comprises a fixing seat, an installation disc, a fixing shaft, a positioning sleeve, supporting plats, pulleys, a fixing housing, a stepping motor, a gear, a lifting column, a positioning plate, a rotary shaft and a cantilever beam. According to the fixed column type cantilever crane having the ingenious folding and storing functions, firstly, electric lifting and a rotary shaft rotating mechanism cooperate with each other, the cantilever beam canbe conveniently rotated from a horizontal state to a vertical state in the lifting process, or from the vertical state to the horizontal state, and ingenious switching between the storing state and the using state is achieved; secondly, the fixing seat and the positioning sleeve can vertically stand or be rotated and laid flat, after the installation disc is fixed to the ground, only the positioning sleeve is rotationally lifted up, vertical standing of the cantilever crane can be achieved, and convenience and efficiency of installation operation are improved; and finally, by adopting the pulley assisting mode, workers can conveniently and directly pushes the cantilever crane to be transferred. In conclusion, the fixed column type cantilever crane is convenient, practical and capable of being applied and popularized in the industry advantageously.
Owner:HEFEI HONGFA HEAVY MACHINERY
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