19results about How to "Short distance" patented technology

The invention relates to the technical field of charging control, and particularly discloses a primary-secondary vehicle power supply system and a control method. The system comprises a double-head charging and discharging gun, a primary vehicle power battery, a secondary vehicle power battery, a primary vehicle whole vehicle controller and a secondary vehicle whole vehicle controller, the double-end charging and discharging gun is used for transmitting a charging inserting gun signal to the whole secondary vehicle controller when being inserted into the primary vehicle charging and discharging port and the secondary vehicle charging and discharging port; the secondary vehicle whole vehicle controller is used for collecting a secondary vehicle electric quantity signal of a secondary vehicle power battery and transmitting the secondary vehicle electric quantity signal to the primary vehicle whole vehicle controller through the double-end charging and discharging gun when receiving a charging gun insertion signal; the mother vehicle whole vehicle controller is used for collecting a mother vehicle electric quantity signal of the mother vehicle power battery and controlling the mother vehicle power battery to be in the charging and discharging state of the child vehicle power battery according to the obtained comparison result of the child vehicle electric quantity signal and the mother vehicle electric quantity signal. The power of the secondary vehicle power battery is supplied to the primary vehicle power battery for use, so that the primary vehicle has larger battery capacity.

The utility model discloses a wireless alarm quick response system in a hospital, which comprises an alarm button, an emergency label, a master control node, an intelligent response server, a regional mobile phone and a central mobile phone, and is characterized in that the alarm button, the emergency label and the master control node form a self-organizing wireless network by adopting a wireless link; the regional mobile phone, the central mobile phone and the intelligent response server are accessed to a wireless local area network in a hospital, and the master control node is connected with the intelligent response server to form a hybrid networking emergency network architecture. When the alarm button gives an alarm, alarm information is transmitted to the intelligent response server and the emergency label through the self-organizing wireless network, the intelligent response server sends the alarm information and plans an emergency path to the regional mobile phone and the central mobile phone, and the emergency label reminds nearby personnel to deliver emergency equipment through sound and light. The system is convenient to deploy and complete in coverage, wireless local area network resources are saved, timely response between medical staff and first-aid equipment is facilitated, and the first-aid success rate is increased.

The condensation type heat exchanger comprises a shell, a heat exchange device and a fuel gas combustion device, and a water inlet cavity, a water outlet cavity, a water collecting cavity and an exhaust channel are formed in the shell; the heat exchange device is arranged in the shell, an airflow channel exists between the heat exchange device and the shell, the heat exchange device comprises a first heat exchange structure and a second heat exchange structure which are arranged side by side, each of the first heat exchange structure and the second heat exchange structure comprises at least two heat exchange coils, and all the heat exchange coils are arranged in the shell side by side in the axial direction of the heat exchange coils. The water inlet cavity is communicated with a first connector of the heat exchange coil pipe of the second heat exchange structure, the water collecting cavity is communicated with a second connector of the heat exchange coil pipe of the second heat exchange structure and a second connector of the heat exchange coil pipe of the first heat exchange structure, and the water outlet cavity is communicated with a first connector of the heat exchange coil pipe of the first heat exchange structure. According to the condensation type heat exchanger, the overall water resistance can be lower while it is guaranteed that the overall heat exchange efficiency is high, and the water pressure drop amplitude of water passing through the condensation type heat exchanger is reduced.

The present invention relates to the technical field of cold end optimization of power generation system, and in particular to a dry-wet separation cooler for cooling tower. Its technical scheme includes: a dry-wet separation cooler for cooling tower, including a partition, a dry guide plate, a wet guide plate, a dry baffle and a wet baffle, wherein the dry guide plate, the wet guide plate, the dry baffle and the wet baffle are located on both sides of the partition, the partition, the dry guide plate and the dry baffle constitute a dry channel for air circulation, an arc-shaped guide plate is provided at the top between the partition and the dry baffle, the partition, the wet guide plate and the wet baffle constitute a wet channel for heat exchange between air and circulating water, and a first mushroom-shaped fin and a second mushroom-shaped fin are provided on both sides of the partition, respectively, and a ventilation hole array is provided at the bottom of the partition, and the ventilation hole array connects the dry channel and the wet channel. The present invention realizes further cooling of circulating water in the cooling tower on the basis of high cooling efficiency and low additional damping.

The present invention discloses a ceramic head for a plasma surgical knife head, comprising a connecting piece, wherein a ceramic head is arranged at the upper end of the connecting piece, the top of the ceramic head is arranged to be tilted upward from the front to the rear, and an inclined surface is formed, a first inclined surface is arranged at the inclined surface of the top of the ceramic head and the rear end of the connecting piece, a second inclined surface is arranged at the inclined surface of the top of the ceramic head and the front end of the connecting piece, and a discharge hole is arranged at the center of the inclined surface of the top of the ceramic head. The present invention provides a ceramic head for a plasma surgical knife head, wherein the ceramic head adopts an irregular quadrilateral structure, and the upper and lower ends of the ceramic head are changed from arcs to straight lines, thereby shortening the distance between the two electrodes, so that the electrode energy can act on the affected area more quickly, and because the area of ​​the ceramic head becomes smaller, the energy of the electrode is more concentrated, and the effect is better.

The utility model relates to a kind of safety management auxiliary devices of chemical equipment, including sealing part, gas storage tank, piston, connecting pipe and standpipe, the sealing part is fixed in flange connection position, a sealing cavity that accommodates flange connection position is formed in the sealing part, inlet and outlet are formed on the gas storage tank, the inlet is communicated with the sealing cavity, the piston is slidably fitted in the inner chamber of the gas storage tank and located between inlet and outlet in the way of sliding along front and back direction, one end of the connecting pipe is fixedly connected with the outlet, the lower end of the standpipe is fixedly connected with the other end of the connecting pipe, the standpipe is made of transparent material. Since the above technical scheme is adopted, under the assistance of the safety management auxiliary device of chemical equipment in the utility model, the workload of the inspector can be reduced.

This invention belongs to the field of mining engineering technology, specifically disclosing a method for subsequent backfilling of a goaf in a gently dipping thick ore body. The backfilling method involves dividing the ore body vertically into multiple intermediate sections, each intermediate section into multiple segments along the strike, each segment into multiple ore block units along the dip, and each ore block unit into multiple stopes. Segmental vein roadways are arranged along the strike of the floor, and ore extraction ramps are arranged along the dip from these segmental vein roadways. Roof-cutting vein roadways are arranged along the strike of the roof, and roof-cutting ramps are arranged along the dip from these roof-cutting vein roadways. An ore extraction access road is constructed along the strike from the ore extraction ramps, and a drilling roadway is constructed along the strike from the roof-cutting ramps. Downward drilling is used in the drilling roadways to create blast holes and blast the ore, which is then extracted through the ore extraction access road. After mining is completed, a goaf is formed. Backfilling pipelines are laid through the roof-cutting vein roadways, roof-cutting ramps, and drilling roadways to the goaf before backfilling. This invention features reduced mineralization, high efficiency in mining, low cost, and high safety in stope mining.

The utility model provides an electric power engineering safety protection fence for a ramp, which relates to the technical field of electric power engineering and comprises a support frame, a control mechanism is arranged on the surface of the support frame and comprises an electric guide rail, a sliding frame is slidably connected to the surface of the electric guide rail, and a connecting frame is arranged on the surface of the sliding frame. A positioning frame is arranged on the surface of the connecting frame, a first protective net is arranged on the surface of the positioning frame, a fixing frame is arranged on the surface of the supporting frame, a second protective net is arranged on the surface of the fixing frame, a connecting mechanism is arranged on the surface of the supporting frame, and a proximity sensor is arranged on the surface of the positioning frame. By arranging the control mechanism, the position of the positioning frame can be adjusted, workers can conveniently penetrate through the protective fence and do not need to bypass the protective fence, and the working efficiency is improved.

The present invention provides a robot path generation method based on a square domain graph. First, a grid graph is converted into a grid form background, a square domain graph is constructed based on a concept grid, and a breadth-first strategy is adopted according to the positional relationship between square domains to generate a shortest square domain path from a starting point to an end point, which is composed of continuous rectangular spaces. Then, the square domain path is converted into an optimal stationary point path composed of coordinate points. The square domain path is the shortest connected area from the starting point to the end point. The robot uses the path to have a certain autonomous activity space in the process of efficiently reaching a target point. The robot uses the stationary point path to travel in a straight line between coordinate points, so as to achieve the effect of minimizing the number of turns and the shortest distance.

The invention relates to a four-stage temperature control kiln type garbage particle drying incineration coupling power generation system and a using method thereof.The four-stage temperature control kiln type garbage particle drying incineration coupling power generation system is composed of a power generation system, a kiln type drying incineration system and a garbage mixing granulation treatment system, the garbage mixing granulation treatment system is connected with a garbage storage area, treated garbage is connected with the kiln type drying incineration system, and the kiln type drying incineration system is connected with the power generation system; the control system, the power generation system, the kiln type drying incineration system and the garbage mixing granulation treatment system are all located in an integral plant. The kiln replaces a furnace to dry and incinerate the garbage sludge, coal is not needed, the engineering cost and the comprehensive operation cost are greatly reduced, a four-stage temperature control technology is adopted for drying incineration, garbage sludge particles are dried and incinerated harmlessly, the garbage sludge mixing, granulating and drying incineration process is adopted, flying dust and floating objects are avoided, a drying incineration workshop adopts a micro-negative-pressure heat insulation design, and the environment is protected. The calorific value of the garbage sludge is utilized to the maximum extent, oxygen-containing air needed by incineration of garbage sludge particles is introduced into a garbage sludge granulation workshop, and the situation that peculiar smell gas of the garbage sludge overflows and influences the surrounding environment is avoided.

The present invention relates to the field of electrochemical energy storage technology, and discloses a battery pack installation structure, including a box cover, a liquid cooling plate, and multiple battery modules located on the liquid cooling plate, the box cover is connected to the liquid cooling plate, the battery module includes an end plate, the upper surface of the battery module is provided with a wire harness protection component, the wire harness protection component and the box cover enclose a passage for smoke flow through both ends along the length direction of the battery module, and also includes a support frame for supporting the internal components of the battery pack, the support frame is located between the end plate and the front end face of the box cover, the support frame is connected to the liquid cooling plate, and the support frame is provided with a smoke sensor facing the front end face of the battery module located in the middle. The present invention can improve the early warning capability, can promptly and quickly feedback abnormal conditions in the battery pack, and then can enable maintenance personnel to quickly discover abnormal conditions in the battery pack, reduce the probability of battery components melting, deformation or rupture, as well as fire and explosion in the battery pack, and reduce the occurrence of dangerous situations.

This invention discloses a flushing valve and its control method. The flushing valve includes a valve body, a piston mechanism, and a control device. The valve body has a water storage chamber, a water inlet channel, a water outlet, and a piston chamber. The water inlet channel, water outlet, and piston chamber are all connected to the water storage chamber. The water inlet channel is used to connect to an external water supply source. The piston mechanism is located in the piston chamber and includes a flushing piston and a water control piston. One end of the flushing piston faces the water outlet. The control end of the control device is located in the piston chamber. The control method includes: adjusting the position of the water control piston in the movable chamber through the control device to adjust the water flow direction inside the piston chamber and control the flushing piston to close or open the water outlet. This invention can effectively shorten the path of the water flow from the water outlet. When flushing from the water outlet, the flushing water flow is independent of the piston chamber controlled by the control device, which can effectively increase the water flow rate and water pressure, resulting in a good flushing effect.

The present application discloses a neuron chip, a neuron computing method and a neuron computing system, wherein the neuron chip includes a neuron wafer, a first storage wafer and a second storage wafer, wherein the neuron wafer, the first storage wafer and the second storage wafer are connected through a three-dimensional heterogeneous integrated structure to form a neuron chip; wherein the first storage wafer is used to store real-time data of neuron computing, and the second storage wafer is used to store knowledge data of neuron computing. The present application integrates the neuron wafer, the first storage wafer and the second storage wafer through three-dimensional heterogeneous integration, without the need to set up additional wiring to connect the storage medium and the neurons, effectively improving the speed of data transmission of the neuron chip and increasing the signal transmission bandwidth.

The application discloses a kind of compact structure's automation laser-engraving equipment and laser-engraving method, the laser-engraving equipment includes machine table, and the machine table is formed with feeding station, jacking station, loading turnover station, loading station, positioning station, unloading station, unloading turnover station and back-falling station;It also includes the loading device being arranged at jacking station and loading station, the positioning device being arranged on the positioning station, the laser-engraving device being arranged on the machine table, the transfer device being arranged on the machine table, the unloading device being arranged at back-falling station and unloading station, and the material conveying device being arranged on the machine table, and the feeding station, jacking station and back-falling station are arranged on the material conveying device.The automation laser-engraving equipment provided in the application is reasonably arranged between each station, accelerates the circulation of material by lifting, overturning and omnidirectional transfer device, shortens material circulation time and distance, and thus improves the efficiency of material laser-engraving.

The utility model relates to the technical field of injection molds, in particular to a deep-cavity injection mold cavity and core cooling mechanism which comprises an operation table, a front mold is slidably mounted on the operation table, a rear mold is mounted on the operation table, a cooling device is arranged on the operation table and comprises a hydraulic cylinder, the hydraulic cylinder is mounted on the operation table, and the rear mold is mounted on the operation table. The output end of the hydraulic cylinder is connected with a condenser, and a plurality of condensate pipes are installed on the condenser. Through the arrangement of the cooling device, after a plurality of condensed water pipes enter a plurality of cooling grooves, the condensed water pipes absorb the temperature of the rear mold by making contact with the interior of the rear mold, due to the fact that the condensed water pipes cool a plurality of parts of the rear mold at the same time, the movement distance of condensed water in a single condensed water pipe is short, and the overall cooling efficiency is high; and the cooling effect of each part of the rear mold is relatively uniform.

A low-resistance powder concentrator rotor structure, a rotor upper cover plate, a rotor middle plate and a rotor lower cover plate are arranged from top to bottom on the outside of a rotor shaft sleeve and a rotor cone, the rotor upper cover plate and the rotor middle plate are connected with the rotor shaft sleeve or the rotor cone through a rotor connecting plate, and the rotor lower cover plate is directly connected with the rotor cone; a plurality of inclined grooves are formed on the rotor upper cover plate and the rotor middle plate; the rotor connecting plates are arranged in pairs, have the same shape and are symmetrical about the rotor axis; the shapes of the adjacent two rotor connecting plates are different, the included angles with the horizontal plane are different, and the rotor connecting plates are arranged in the form of vertical plates, so that the high-speed airflow in the rotor cage is hindered and scattered. The present application interferes with the generation of the resistance surface of the connecting part position by the special connecting plate and vertical rod arrangement, so that the number of the connecting parts in the same plane or cone surface is small, the ventilation cross-sectional area is increased, and the power consumption of the vertical mill system fan is reduced.

A watermelon flower pollination and topping robot belongs to the field of agricultural machinery. The device is composed of an unmanned aerial vehicle support, a topping device, an unmanned aerial vehicle, a pollen box, a powder spraying device, an inflation pipe, an air pump mounting plate and an air pump, the unmanned aerial vehicle support is fixedly mounted at the bottom of the unmanned aerial vehicle through bolts, and the topping device is fixedly mounted at the rear end of the unmanned aerial vehicle support; the pollen box is fixedly installed at the front end of the unmanned aerial vehicle support through bolts, the powder spraying device is fixedly installed at the lower end of the pollen box, the inflation pipe is connected with the air pump and the powder spraying device, the air pump installation plate is fixedly installed behind the pollen box, and the air pump is fixedly installed on the air pump installation plate through bolts. According to the invention, the powder spraying device is used for pollinating watermelon flowers, the working intensity of watermelon farmers is reduced, the pollination rate of the watermelon flowers is improved, and the topping device is used for topping melon vines, so that the pollinated watermelon flowers can grow better.

The present application relates to the field of vortex beam modulation, and particularly discloses a chiral metasurface vortex focusing lens in a terahertz wave band and a terahertz light modulation device, comprising a substrate and a vortex focusing phase wave surface arranged on the substrate; the vortex focusing phase wave surface comprises array-arranged polarizing units, each of the polarizing units comprising a first strip-shaped column, a second strip-shaped column and a connecting column; the first strip-shaped column and the second strip-shaped column are parallel to each other, the connecting point of the connecting column and the first strip-shaped column is closer to the first direction end of the first strip-shaped column, and the connecting point of the connecting column and the second strip-shaped column is closer to the second direction end of the second strip-shaped column; the present application occupies a small space, is easy to integrate, has a low production material cost, shortens the path of terahertz waves in the chiral metasurface vortex focusing lens, reduces the loss in the modulation process, and can obtain a large circular dichroism through normal incidence or oblique incidence of circularly polarized light.