46results about How to "Meet the distance" patented technology

The invention discloses a vessel main engine energy-saving rotation speed measuring and selecting method, which comprises the following steps that: a vessel begins sailing from the lowest rotation speed in a main engine rotation speed range, and oil consumption in a unit distance is calculated according to a sailing distance and oil consumption of the vessel; the vessel sails increasingly in the main engine rotation speed range, and rotation speeds are recorded in turn; when the vessel sails a cycle in the main engine rotation speed range, the oil consumption in the unit distance and corresponding route speeds in the full main engine rotation speed range are acquired; and the main engine rotation speed which is greater than the slowest route speed and corresponds to the lowest oil consumption in the unit distance is selected from all the data for sailing. The invention also discloses a marine main engine energy-saving rotation speed measuring and selecting system, which comprises an oil inlet pipe flowmeter, an oil return pipe flowmeter, and an oil consumption integrating meter which is electrically connected with the oil inlet pipe flowmeter and the oil return pipe flowmeter; and the oil consumption integrating meter is also electrically connected with a speed measuring device. The method and the system greatly save the oil consumption and have obvious effects.

The invention provides a real-time traffic light identification method. The method comprises following steps: acquiring traffic light information, and performing fusion processing on the traffic lightinformation and an original map to generate a marked map; associating the traffic light information with Road id of a corresponding road section and Lane id of a lane in front of a stop line respectively, and generating a first associated information table and/or a second associated information table; determining Road id of the road section and/or Lane id of the lane according to the current position of a vehicle and the marked map; judging whether the traffic light information exists in the road section in front of the stop line when distance between the vehicle and the stop line is in a preset range according to Road id of the road section and the first associated information table and/or Lane id of the lane and the second associated information table, and acquiring absolute position information of a light plate frame in the marked map and converting the absolute position information into pixel position information in a first image when the traffic light information exists; detecting and classifying a first ROI (region of interest) with a deep learning algorithm to obtain a traffic light state corresponding to id of a traffic light. Therefore, precision and speed of visual identification are increased.

The invention discloses a charging consultant cloud platform based on a smart city and a control method thereof. The charging consultant cloud platform based on the smart city comprises a vehicle-mounted remote monitoring terminal, a charging pile remote monitoring terminal, an AC charging pile remote monitoring terminal, a region vehicle-mounted cloud platform, a region DC charging pile cloud platform, a region AC charging pile cloud platform, a charging consultant cloud platform, a client and a property management platform. Through analyzing the information of the charging pile, the vehicle position information, the battery remaining power information and the vehicle usage behaviors, the cloud platform technology is used, and a possible charging scheme is calculated; through analyzing the charging behavior of the user, a charging scheme with the highest vehicle owner satisfaction degree is preferred, and the charging scheme comprises a scheme with the shortest distance when the user parks the vehicle and walks to a destination, a scheme with the lowest fee and a scheme with the lowest electric loss.

The invention discloses an ultra-wideband radar system and a method for realizing single-channel multi-frequency-point simultaneous transmission and reception. The ultra-wideband radar system comprises a control processing module, a transceiving antenna, a transmitter branch circuit and a receiver branch circuit, wherein the transmitter branch circuit and the receiver branch circuit are arranged between the control processing module and the transceiving antenna; the transmitter branch circuit receives a control command of the control processing module and generates a required multi-frequency-point digital baseband signal, carries out mixing, digital-to-analog conversion and quadrature up-conversion in sequence, outputs the required multi-frequency-point digital baseband signal and transmits the required multi-frequency-point digital baseband signal by means of the transceiving antenna; and the receiver branch circuit receives a multi-frequency-point analog echo signal from the transceiving antenna, carries out quadrature down-conversion, analog-to-digital conversion and mixing in sequence, and then outputs a multi-frequency-point baseband signal to the control processing module. The method is a method for realizing single-channel multi-frequency-point simultaneous transmission and reception. The ultra-wideband radar system and the method can realize simultaneous transmission and reception of single-channel multi-frequency-point signals, and have the advantages of small frequency interval of stepping frequency, long maximum operating distance, short scanning time and the like.

The invention provides a vertical air conditioner indoor unit. The vertical air conditioner indoor unit comprises a shell, an air duct, a flow guide part and an air inducing channel; the shell is provided with an air supply opening, a first air inlet and a second air inlet; the inner wall, close to an air outlet, of the air duct is in a gradually-shrinking shape with a flow cross section graduallybecoming smaller in the airflow direction; the flow guide part is arranged in the air duct, an annular air outlet gap is defined by the flow guide part and a gradually-reduced part of the air duct, and the flow guide part is used for guiding airflow to the annular air outlet gap so that the airflow can be gradually gathered towards the center of the airflow under the guidance of the inner wall ofthe air duct and flow out of the air outlet and the air supply opening; and the air inducing channel is formed between the shell and the air duct and is provided with an inlet end communicated with the second air inlet and an outlet end communicated with the air supply opening, and indoor air enters the shell through the second air inlet and is guided to the air supply opening through the air inducing channel. The vertical air conditioner indoor unit is stronger in wind power and farther in air supply distance.

The invention relates to a fresh-cut-water-chestnut preservation method. The fresh-cut-water-chestnut preservation method includes the steps that (1) soil on water chestnut peels is removed, and obtained water chestnuts are soaked with ozone water and finally washed with clear water; (2) the whole water chestnuts are put into hot water for soaking; (3) the water chestnuts obtained after heat treatment are naturally dried with air; (4) the water chestnut peels are removed, and the peeled water chestnuts are washed with clear water; (5) the peeled water chestnuts are placed into a mixed solution containing citric acid, malic acid and water chestnut peel extract; (6) the fresh-cut water chestnuts are coated with chitosan and then blown to be dry through cold air; (7) the fresh-cut water chestnuts obtained after cold-air blowing drying are packaged through a vacuum packaging machine in 20 minutes, and finished products are obtained. According to the method, the browning degree and the weight loss ratio of the fresh-cut water chestnuts in the storage process can be reduced, influences on the taste of the water chestnuts are small, the storage period under the storage condition of 4 DEG C can be 40 days or above, and the demands of remote transportation and selling are basically met.

The invention provides a vertical air conditioner indoor unit which comprises a shell, an air flue and a flow guiding piece. The inner wall, near an air outlet, of the air flue is in a tapered shape with the flow cross section being decreased gradually along an airflow direction; the flow guiding piece is arranged in the air flue; an annular air outlet gap is defined by the flow guiding piece andthe tapered part of the air flue; the flow guiding piece is used for guiding air flows to the annular air outlet gap, so that the air flows are guided by the inner wall of the air flue so as to be gradually gathered towards an airflow center direction and sequentially flow out of the air outlet and the air supply outlet; the flow guiding piece is formed by rotating a flow guiding line for a circlearound a horizontal central axis; and the flow guiding line comprises a first convex arc-shaped segment, a second concave arc-shaped segment, a third convex arc-shaped segment, a fourth convex arc-shaped segment and a fifth convex arc-shaped segment which are smoothly connected in sequence. The vertical air conditioner indoor unit provided by the invention has stronger wind force and longer air supply distance.

The invention relates to a high-strength/toughness X90 hot-rolled steel strip for spiral submerged arc welded pipes, which is composed of the following components in percentage by weight: 0.03-0.06% of C, 0.25-0.35% of Si, 1.80-2.10% of Mn, at most 0.012% of P, at most 0.002% of S, 0.10-0.25% of Cr, 0.15-0.35% of Mo, 0.06-0.11% of Nb, 0.009-0.02% of Ti and at most 0.003% of N. CEpcm(%)=C+Si/30+(Cr+Mn+Cu)/20+Mo/15+V/10+Ni/60+5B<=0.2%. The production method comprises the following steps: smelting, and carrying out continuous casting to obtain a blank; heating the casting blank; carrying out hot rolling; carrying out laminar cooling; and coiling. When the included angle between the steel strip test sample direction and the rolling direction is 30 degrees, Rp0.2 is 630-720 MPa, Rm is greater than or equal to 730 MPa, Rp0.2/Rm is less than or equal to 0.90, the elongation percentage A is greater than or equal to 18%, Agt is greater than or equal to 6%, the -15 DEG C DWTT cross-section shearing rate SA is greater than or equal to 95%, HV10 is less than or equal to 265, the ballistic work single value at -20 DEG C is greater than or equal to 285J, and the ballistic work average value at -20 DEG C is greater than or equal to 355J, thereby completely satisfying the requirements of long distance and high efficacy for the spiral submerged arc welded pipe.

The invention discloses a self-adaptive waveform design method for improving millimeter wave radar detection estimation performance, belongs to the field of signal processing, and aims to solve the problem of relatively low millimeter wave radar target detection performance caused by limited platform space and transmitting power in automatic driving. The method comprises the following steps: firstly, based on an FMCW signal, establishing a millimeter wave phased array detection model; secondly, constructing emission waveform parameter constraints considering the distance and the speed resolution by analyzing the relationship between the distance and the speed resolution and the emission waveform parameters; then, based on a maximum output SCNR criterion, establishing a transmitting waveform parameter and receiving weight joint optimization model with distance and speed resolution constraints so as to improve millimeter wave radar target detection and distance and speed resolution performance; finally, solving, by the proposed method, the complex nonlinear optimization problem based on an alternating iteration method. By means of the invention, transmitted waveform parameters and receiving weight can be adaptively adjusted to improve target detection performance and meet distance and speed resolution requirements at the same time.

The invention provides a preparation method of a biomass charcoal composite fuel for blast furnace injection, which comprises the following steps: mixing crushed biomass raw materials and low metamorphic coal, carrying out hydrothermal carbonization treatment, then mixing with preheated high metamorphic coal, carrying out heat preservation, and finally carrying out hot pressing treatment. According to the method, the yield of biomass hydrothermal carbonization is increased by utilizing mineral substances in the low-rank coal, and meanwhile, ash, volatile components and water in the low-rank coal can be partially removed, so that the caking property is improved. And then the mixture is mixed with the preheated high-metamorphic coal, so that the ignition point of the mixture can be improved, the explosiveness of the mixture is reduced, and the ash fusion point of the composite fuel can be further improved by utilizing the characteristic of high ash fusion point of the high-metamorphic coal. The biomass charcoal composite fuel can completely replace fossil fuel to be used for blast furnace injection, the emission amount of carbon dioxide and pollutants in the ironmaking production process is reduced, and in addition, the fuel formed through hot pressing has the advantages of being large in volume density and high in compressive strength and is suitable for long-distance transportation and long-term storage.

The invention relates to a thermal-insulated waterproof sprayed protective structure, which is formed by a thermal-insulated layer and a protective layer above it. Wherein, said thermal-insulated waterproof layer is made by spraying the thermal-insulated waterproof liquid via foaming device on the main structural working surface of building; said thermal-insulated waterproof liquid contains multifunctional polyether polyatomic alcohol, polyester polyol mixture, mellow, sugar as initiator polyether polyatomic alcohol, ethanediamine as initiator polyether polyatomic alcohol, combustion inhibitor, foam uniform agnet, foaming agent, postassium acetate, triethylene diamine, acetal mixture, dibutyl dielaurate, ultraviolet adsorbent, and isocyanate; and the protective layer can be the common protective layer, strengthen protective layer, flameproof protective layer or the functional protective layer. The invention can save material, insulate heat, avoid leakage, and prolong the service life of building, etc.

The invention provides a wall-mounted air conditioner indoor unit. The wall-mounted air conditioner indoor unit comprises a machine shell, wherein first air supply ports and an air duct connected withthe first air supply ports are defined in the machine shell, and the inner wall, close to the first air supply ports, of the air duct is in a gradually-reduced shape enabling the overflowing sectionof the air duct to be gradually reduced in the airflow direction; and flow guide parts, wherein the flow guide parts are arranged in the air duct, and air outlet gaps are defined between the flow guide parts and the inner wall of the air duct so as to guide air supply airflow blown to the first air supply ports to the inner wall of the air duct and enable the air supply airflow to gradually flow out of the first air supply ports towards an airflow center in a gathered manner under guidance of the gradually-reduced portion on the inner wall of the air duct. Each flow guide part is of a hollow structure, air outlets are formed in the sides, facing the first air supply ports, of the flow guide parts, and the flow guide parts are configured to introduce or produce adjusting airflow; and in theflowing process of the air supply airflow, a negative-pressure environment is formed at the air outlets, so that the adjusting airflow is promoted to be mixed into the air supply airflow and blown out of the first air supply ports together. The wall-mounted air conditioner indoor unit has better long-distance air supply and strong air supply effects.

The invention relates to a single-core optical cable for indoor and outdoor jumper wires and a preparing method of the single-core optical cable for the indoor and outdoor jumper wires. The single-core optical cable comprises an optical fiber, a tightly-wrapping layer, a second water-resistant reinforcing layer, an inner protection layer, a first water-resistant reinforcing layer and an outer protection layer. The method for preparing the single-core optical cable comprises the steps that a curved insensitive optical fiber material is selected and manufactured into the optical fiber; the outer surface of the optical fiber is wrapped in the tightly-wrapping layer through a plastic extruding machine; the outer surface of the tightly-wrapping layer is wrapped by the second water-resistant reinforcing layer; the outer surface of the second water-resistant reinforcing layer is wrapped in the inner protection layer through the plastic extruding machine; the outer surface of the inner protection layer is wrapped by the first water-resistant reinforcing layer; the outer surface of the first water-resistant reinforcing layer is wrapped in the outer protection layer through the plastic extruding machine, and therefore the single-core optical cable for the indoor and outdoor jumper wires is obtained. The single-core optical cable for the indoor and outdoor jumper wires is greatly improved in structure and can be generally used in cooperation with regular jumper wire parts so that the good generality of the single-core optical cable can be achieved, the using requirements for the long distance, an outdoor low-temperature environment and repeatedly dragging can be satisfied, a fire source and water vapor can be effectively blocked and the damage caused by rodents can be prevented.

The invention provides a vertical air conditioner indoor unit which comprises a shell, an air flue, a flow guiding piece and a drive mechanism. The front side of the shell is provided with a first airsupply outlet; the air flue is arranged in the shell, is provided with an air inlet and a first air outlet facing the first air supply outlet, and is used for guiding an air flow in the shell to thefirst air supply outlet; the inner wall, near the first air outlet, of the air flue is in a tapered shape with the flow cross section being decreased gradually along an airflow direction; the flow guiding piece is arranged in the air flue in an up-and-down horizontal movement way; an annular air outlet gap is defined by the flow guiding piece and the tapered part of the air flue, so that air flowsare guided by the inner wall of the air flue so as to be gradually gathered towards an airflow center direction and sequentially flow out of the first air outlet and the first air supply outlet; andthe drive mechanism is used for driving the flow guiding piece to move horizontally up and down so as to adjust the the sizes of air outlet cross sections of a top section and a bottom section of theannular air outlet gap, so that an air supply angle of the first air supply outlet is changed. The vertical air conditioner indoor unit provided by the invention has a better long-distance air supplyeffect and a strong air supply effect.

The invention relates to an automatic fire extinguishing device integrating functions of fire detection and fire extinguishment. Since the existing automatic fire extinguishing device has to be equipped with a special electronic fire alarm control system, misoperation or failure of the fire extinguishing device can be caused easily by environmental temperature and humidity, dust, electromagnetismand other factors, and maintenance cost is high. The invention aims at developing an automatic fire extinguishing device integrating the functions of fire detection and fire extinguishment. The automatic fire extinguishing device is structurally characterized in that a fire extinguishing opening mechanism comprises a hot-melt sealing piece (3), a joint (14) with a heating chemical agent (4) and aconnecting part which are connected with one end of a fire extinguishing agent conveying pipe (5); and a fire detection opening mechanism (17) is connected with each fire extinguishing agent spout onthe fire extinguishing agent conveying pipe (5). The automatic fire extinguishing device has the advantages of omitting a plurality of electronic detection control devices, simplifying the structure of a fire extinguishing system, lowering cost, reducing the using space, achieving the capability of conveying different types of fire extinguishing media, such as gas, liquid, powder and the like, expanding the application range of the fire extinguishing media and achieving broader application places.

The invention discloses a dual-mode small advertisement player special for the medical industry. The dual-mode small advertisement player comprises display screens, a frame body, an infrared induction switch, a cover body and a notch, wherein the display screens include the first display screen and the second display screen, the first display screen is a touch screen, and the second display screen is a display screen; the frame body supports and fixes the first display screen and the second display screen; the infrared induction switch is arranged on the frame body and electrically connected with the first display screen and controls the first display screen to be turned on and turned off, and the infrared induction switch comprises an infrared induction probe; the cover body covers the infrared induction side of the infrared induction probe in a rotatable mode; the notch is formed in the position, making contact with the frame body, of the edge of the cover body. The dual-mode small advertisement player integrates advertisement playing, checking and interacting and has the advantages of being capable of saving energy, environmentally friendly, easy to control and convenient to use.

The invention discloses an automobile silencer inlet pipe assembly and an arrangement structure thereof. The automobile silencer inlet pipe assembly is formed by an inlet pipe, a first bellows, a connecting pipe, a second bellows and an outlet pipe which are connected in sequence. The inlet end of the inlet pipe is provided with a first flange used for being connected with a three-way catalytic converter, and the outlet end of the outlet pipe is provided with a second flange used for being connected with a silencer. The first bellows is arranged below an engine oil pan and a transmission shaft, and the second bellows is arranged above the rear of an auxiliary frame. According to the automobile silencer inlet pipe assembly, vibration generated by an engine and the silencer is effectively eliminated, reliability of a whole exhaust system is improved, and spatial safety distances of the exhaust system and parts such as the engine oil pan, the transmission shaft and the silencer and the heat damage requirements are met.

The invention provides a vertical air conditioner indoor unit. The vertical air conditioner indoor unit comprises an air supply body and a flow guide piece. A front side air supply outlet is long circular. The inner wall, close to the air supply outlet, of the air supply body is in a gradually-reduced shape with an overflowing section gradually reduced in the airflow direction. The flow guide piece is arranged on the rear side of the air supply outlet and comprises a front end face, two first flow guide faces and two second flow guide faces. The first flow guide faces and the second flow guidefaces extend backwards from the upper side, the lower side and the two transverse sides of the front end face respectively. An annular air supply outlet gap is defined by the flow guide piece and a gradually-shrinking part of the air supply body. The flow guide piece guides airflow to the annular air supply outlet gap, and the airflow is guided by the inner wall of the air supply body to be gradually gathered towards an airflow center. The first flow guide faces extends from back to front, is gradually far away from a central horizontal symmetric surface of the flow guide piece and comprisesa first concave arc section, a second convex arc section and a horizontal straight line section which are connected; the second flow guide face extends from back to front, is gradually far away from the central longitudinal vertical symmetrical surface of the flow guide piece, and comprises a concave third arc-shaped section, a convex fourth arc-shaped section and a convex fifth arc-shaped sectionwhich are connected with one another.

The invention relates to the technical field of electric smelting furnaces, in particular to an electric parameter online measuring system of an electric smelting furnace. The online measuring systemcomprises a computer monitoring system, CAN buses and three groups of electric parameter measuring circuit boards, wherein the three groups of electric parameter measuring circuit boards are all connected with the computer monitoring system by the CAN buses; each of the electric parameter measuring circuit boards comprises an MCU, an alternating current signal conversion module, an alternating current signal acquisition and processing module, a temperature control module and a watchdog; each of the alternating current signal conversion modules is connected with the corresponding MCU by the corresponding alternating current signal acquisition and processing module; each of the temperature control modules and the corresponding watchdog are connected with the corresponding MCU. The online measuring system has the beneficial effects that a communication network is established by using the serial communication CAN buses, so that the requirements of timeliness, remote communication and expansibility can be met; in addition, the cost can be effectively lowered, and the development time is shortened; computer monitoring software is designed by adopting a Labwindows/CVI as a software development tool, and a software design method in a multiple-thread architecture is adopted, so that the response speed of the online measuring system is greatly improved.

The invention discloses a large passenger station structure for the passenger special line, comprising an upper yard, a lower yard, a throat area on upper yard, and a throat area on lower yard, wherein the upper yard and the throat area on upper yard are on the same plane; the lower yard and throat area on lower yard are on the same plane; and the throat area on upper yard and the throat area on lower yard are provided with a bidirectional interconnection line therebetween, through which the train can choose to enter the upper yard or enter the lower yard. The occupying area of the passenger station, and the distance of the throat areas can be reduced by using large passenger station structure for passenger special line, engineering investment cost is low, and the equipment is convenient to maintain.

The invention discloses an energy-saving rotating-speed measuring device of a ship main engine. The energy-saving rotating-speed measuring device comprises a navigational speed measurement device, a fuel consumption measuring device connected to a ship main engine, and a fuel consumption integrating instrument. The fuel consumption measuring device is used for calculating a fuel consumption value; and the fuel consumption integrating instrument connected with the fuel consumption measuring device and the navigational speed measurement device is used for calculating fuel consumption of a ship at a unit distance. The navigational speed measurement device is a log device or a GPS terminal. The fuel consumption measuring device consists of an oil inlet tube flowmeter and a oil return tube flowmeter; and the oil inlet tube flowmeter and the oil return tube flowmeter are connected to an oil inlet and an oil outlet of the ship main engine. The oil inlet tube flowmeter and the oil return tube flowmeter are provided with signal sender units respectively; and the signal sender units are connected with the intelligent fuel consumption integrating instrument electrically; and a server is connected between the ship main engine and the fuel consumption integrating instrument. Therefore, the fuel consumption state of the diesel engine in a ship sailing state can be measured and recorded accurately, so that the ship can determine an optimal energy-saving navigation speed. The demand of rapid and accurate measurement and recording of fuel consumption of the host of the ship at the unit distance can be satisfied.

The invention discloses an assembly for assisting tooth implantation in a posterior tooth area, and belongs to the technical field of medical articles. The assembly for assisting tooth implantation inthe posterior region comprises a fixing assembly, a position-limiting assembly and a sleeve assembly, wherein the fixing assembly comprises a first clamping block and a second clamping block which are arranged oppositely, the top of the first clamping block is connected with the top of the second clamping block through an arch-shaped connecting assembly, the top of the connecting assembly is provided with a sliding hole, the position-limiting assembly comprises a clamping assembly, and a sliding block and a supporting assembly which are respectively arranged on two sides of the top of the clamping assembly, the sliding block penetrates the sliding hole and is in sliding fit with the sliding hole, the sliding block is fixedly connected with the connecting assembly, and the sleeve assemblyis connected with the clamping assembly. In the assembly for assisting tooth implantation in the posterior region, a relative position relationship between the position-limiting component and the fixing assembly is adjusted by sliding, thereby a position of the sleeve assembly is adjusted, and then a drilling position on the gum is adjusted, so that the entire assembly can meet a distance betweenteeth of different patients, and can be used repeatedly.

The invention relates to an electronic writing device, and discloses a multifunctional electronic writing system based on a touch TV, which has the functions of an electronic pointer, a switch writingand an air mouse, and can meet the requirements for the close touch and long distance manipulation of the touch TV. The system comprises: a writing pen, a wireless receiving and sending module and atouch TV; an MCU, and a RF radio frequency module, an air mouse module, an electronic pointer module and a pen tip switch module connected with the MCU are built in the writing pen; the writing pen respectively achieves an air mouse function, an electronic pointer function and a switch writing function through the air mouse module, the electronic pointer module and the pen tip switch module, and the data transmission with the wireless receiving and sending module can be achieved through the RF radio frequency module; the wireless receiving and sending module is cooperatively used with the writing pen for accomplishing the communication between the writing pen and the touch TV; and the touch TV is used for executing a corresponding operation on received writing pen data according to a corresponding scene and feeding back real-time information to the writing pen.

The invention relates to a travel shoe with wheels and a method for operating the travel shoe. The travel shoe and the method have the advantages that the flexibility and the quickness of travel tools such as bicycles and the lightness and the handiness of the traditional roller shoes are fused in the travel shoe with the wheels, accordingly, a user can carry the travel shoe along without concerning problems of storage, loss and the like, and requirements of middle-distance travel on the quickness and the lightness can be met.

The invention provides a vertical air conditioner indoor unit. The vertical air conditioner indoor unit comprises a shell, a fresh air module, an air duct and a flow guide piece. A fresh air supply outlet and a gathering air supply outlet are arranged up and down on the front side of the shell. The fresh air module is arranged in the shell and is configured to introduce fresh air and blow the fresh air out of the fresh air supply outlet. The air duct is arranged in the shell. The air duct is provided with an air inlet and a first air outlet facing the gathering air supply outlet and used for guiding airflow in the shell to the gathering air supply outlet. The inner wall, close to the first air outlet, of the air duct is in a gradually-reduced shape with an overflowing section gradually reduced in the airflow direction. The flow guide piece is arranged in the air duct. An annular air supply outlet gap is defined by the flow guide piece and a gradually-shrinking part of the flow guide piece. The flow guide piece is used for guiding the airflow to the annular air supply outlet gap, so that the airflow is gradually gathered towards an airflow center under the guidance of the inner wallof the air duct and sequentially flows out of the first air outlet and the gathering air supply outlet. The vertical air conditioner indoor unit has better long-distance air supply and strong air supply effects.

The invention discloses a light truck new energy automobile battery power changing station. The power changing station includes a control system, a battery storage area, a replacement area and a manipulator, the battery storage area is mainly composed of an information card reading area, a battery rack and a plurality of battery boxes placed on the battery rack, the battery boxes contain replacement batteries, the control system includes an information card reading system and a manipulator control system, and the manipulator is arranged on one side of the battery rack; and the information cardreading system is connected with the information card reading area in a communication mode, and the manipulator control system is connected with the manipulator in a communicating mode. According tothe light truck new energy automobile battery power changing station, returning is convenient, light truck new energy automobiles are not limited to use of cities at short range and can meet long-distance and long-time transportation, and the light truck new energy automobile battery power changing station is very in line with the development direction and worth promoting.

The invention relates to the field of solid motor flow regulation devices, and discloses a hydraulic servo actuation system, which comprises an integral type servo controller, at least two hydraulic actuators and an integrated valve block. Each hydraulic actuator is controlled by a group of hydraulic control valve group, and the hydraulic control valve groups of the hydraulic actuators are arranged on the integrated valve block. According to the hydraulic servo actuation system provided by the invention, the control valve groups of the hydraulic actuators are integrated on the same integrated valve block, and the fluid, mechanical, electronic, electromagnetic and information processing technologies are comprehensively adopted to be highly integrated into a whole, so that the hydraulic servo actuation system has the advantages of simple structure, small volume, light weight, high reliability, excellent and stable performance, and simplicity and convenience in use and maintenance, and can better meet the installation requirements in a narrow space.

The invention relates to an ultraviolet spectral imager, in particular to a high-sensitivity and high-dynamic ultraviolet spectral imager. The invention aims to solve the technical problems of low luminous flux, poor signal-to-noise ratio and low sensitivity of the existing ultraviolet spectrum imager, and provides the ultraviolet spectrum imager with high flux, high signal-to-noise ratio and high sensitivity. According to the imager, a Hadamard template is adopted to complete spatial light path gating, a specific dispersion system and an ultraviolet sensitive image enhancement type detector assembly are adopted, and a combined signal measurement mode is utilized, so that the influence of inherent errors of the ultraviolet spectrum imager on a target signal true value is reduced, the deviation between a target signal measurement value and the true value is indirectly reduced, the signal-to-noise ratio of a detection signal is improved, and the luminous flux is improved by adopting the Hadamard template, so that the whole ultraviolet spectrum imager meets high sensitivity.

The invention discloses a woodworking circular engraving machine which comprises a machine station base, engraving heads and a double-layer working table, wherein the machine station base is provided with a plurality of groups of screw rods which are horizontally arranged and are in parallel; the engraving heads are arranged in rows on a moving frame positioned above the machine station base; the double-layer working table is arranged on the machine station base in a detachable manner; the double-layer working table comprises a rack, a first table panel and a second table panel; the first table panel is arranged on the upper layer of the rack in the detachable manner; the second table panel is arranged on the lower layer of the rack; the lower layer of the rack is also provided with an accommodating space which is not occupied by the second table panel; the accommodating space is used for accommodating the screw rods; a plurality of lines of T-shaped grooves running through the integral table panels are distributed in parallel on both the first table panel and the second table panel. The woodworking circular engraving machine has the beneficial effects that surface engraving on wood with a large-size and a large surface depth can be implemented; the double-layer working table can be suitable for woods with different thicknesses; after an original fixture is assembled for replacement, a function of processing a small-sized cylinder wood also can be retained.

The invention provides a vertical air conditioner indoor unit. The vertical air conditioner indoor unit comprises a shell; an air duct; a flow guide member; the multiple baffles are arranged on the front side of the flow guide part and surround the circumferential side of the flow guide part by a circle, and each baffle is provided with an outwards-protruding inner wall face which gradually inclines towards the horizontal central axis from back to front; the baffle plate and the flow guide part are respectively configured to move forwards in a controlled manner, so that a second gap is defined between the baffle plate and the flow guide part; the flow guide part is used for guiding airflow to the second gap and enabling the airflow to be gradually gathered in the airflow center direction under the guiding of the inner wall face of the baffle and the flow guide part and to sequentially flow out of the air outlet and the air supply outlet. The vertical air conditioner indoor unit is strong in wind power, farther in air supply distance and ingenious in conception, and the shape of an air duct does not need to be improved.