236results about How to "Implement bootstrap" patented technology

The invention relates to a laser radar for long-distance object detection. The laser radar comprises a laser and visible light detection system, a laser emitter and a processor. The laser and visible light detection system comprises a main system lens, a splitter, a visible light optical detection system and a laser detection system; laser and visible light reflected by the surface of an object is collected by the main system lens, and split by the splitter; laser is input to the laser detection system then, and the laser detection system sends time when the laser reaches the laser detection system to the processor; the visible light is input to the visible light optical detection system, and the visible light optical detection system sends image information to the processor; the processor calculates the distance of the object according to the laser arrival time received from the laser detection system; and the image information from the visible light optical detection system is received, and direction information of the object is calculated. According to the invention, optical systems of a visible light camera and a laser radar reception optical system are combined in use, the size of an active and passive combined detection reception optical system is reduced, and the weight of the system is also reduced.

The invention relates to a method for melt-spinning, drawing, and winding a multifilament thread to form a fully-drawn yarn and to a device for performing the method. First, a plurality of filaments are extruded from a thermoplastic melt, cooled to a temperature below the glass transition temperature of the thermoplastic material, and joined to form a filament bundle by supplying a preparation oil having a water content of at most 8%. Then, the filament bundle is removed by a simple partial wrapping on optionally heated guiding jackets of several driven galettes at a speed above 1,200 m/min. For drawing and subsequent relaxation, the filament bundle is guided at a drawing speed above 3,500 m/min by a simple partial wrapping on the circumference of further heated guiding jackets of driven galettes. For this purpose, the device according to the invention comprises two galette groups having several driven galettes, wherein the first galette group guides the filament bundle in order to remove and/or heat the filament bundle by simple partial wrapping and the second galette group guides the filament bundle in order to draw the filament bundle by simple partial wrapping.

The invention discloses an indoor positioning and path leading method based on mobile terminal inertial navigation. The indoor positioning and path leading method comprises the following steps: firstly collecting indoor path trajectory data in a subsection manner; performing optimizing processing on history path trajectory data by using a shortest path algorithm to obtain optimal path trajectory data; storing the optimal path trajectory data and uploading the stored optimal path trajectory data to a database; when a place of arrival is set by a user, obtaining corresponding most optimal path trajectory data from the database by mobile equipment, and performing path display and guidance. No extra equipment is needed, indoor inertial navigation and path guidance with relatively high precision can be achieved by just utilizing a built-in sensor of the mobile equipment, and the method has the characteristics of high practicability, high universality and low cost.

The invention relates to an air guide column, an air exhaust device and an air conditioner. The air guide column comprises a columnar structure, wherein the columnar structure can rotate around a self rotary shaft, and an air guide passage (1) is arranged in the columnar structure, and is used for guiding the air flow at one side of the columnar structure to be exhausted to the other side. The air guide column has the advantages that by adopting the columnar structure which can rotate around the self rotary shaft, and arranging the air guide passage in the columnar structure for guiding the air flow to flow out, as the air guide passage in the columnar structure can form smoother air guide surface, compared with the existing air guide plate, the air drag is reduced; the air guide passage is used as the extending part of the air passage body at one side of the air guide column, so the air delivery distance is increased; by utilizing the rotation of the columnar structure, the air exhaust amount and angle of the air flow can be guided, and the air delivery effect is improved.

The invention discloses a needle guiding support device, which consists of a guiding support structure and a direction indicating plate. The guiding support structure consists of a base, a universal connecting rod, a connecting plate, a supporting plate, a puncture needle supporting piece, and a sheath, wherein the universal connecting rod is connected with the base and can be bent in any direction; the connecting plate is connected with the universal connecting rod; the supporting plate is movably connected with the connecting plate; the puncture needle supporting piece is arranged on the supporting plate and is used for fixing a puncture needle and guiding; and the sheath is arranged on the connecting plate and sleeved on the universal connecting rod. The direction indicating plate has a graphometer structure and is arranged on the puncture needle supporting piece; a plane where the direction indicating plate is positioned is parallel to a line where the puncture needle is positioned; the center of the circle of the direction indicating plate is movably connected with the puncture needle supporting piece, so that the direction indicating plate can freely swing; an angle scale is marked on the circumference of the direction indicating plate; an indicating scale which corresponds to a symmetry axis is 0 degree, and is a centre-of-gravity position in a vertical plane; and the scale is uniformly arranged from 90 degrees below zero to 90 degrees on an arc on left and right sides of the zero-degree angle respectively. The needle guiding support device has the advantages of convenient operation, simple structure, and low cost.

The invention discloses a composite probe for elasticity measurement, and relates to a probe device which is used for imaging tissues of human bodies and measuring elasticity of the tissues of the human bodies. The composite probe comprises an elasticity measurement probe and an imaging component, the elasticity measurement probe and the imaging component are mounted in a support of the composite probe, and an elasticity detecting position of the elasticity measurement probe is located in an imaging range of the imaging component. The composite probe can be used in two modes; one mode includes that the imaging component can be mounted in advance, after an image result is obtained, the imaging component is detached, and then the elasticity measurement probe is mounted to be used for measuring; the other mode includes that the elasticity measurement probe and the imaging component are simultaneously mounted for imaging and detecting. The composite probe is simple in structure, easy in detachment and repair, wide in generality and more accurate in measurement. The measurement position can be selected according to the imaging result.

The invention discloses a vehicle parking control method, device and system and a vehicle. The method includes the steps of collecting a Bluetooth signal strength value of a Bluetooth device in a prescribed parking area for the first time according to a vehicle lock signal; according to the Bluetooth signal strength value collected for the first time, detecting whether the vehicle is parked in theprescribed parking area; and performing a standard parking prompt according to the detection result that the vehicle is not parked in the prescribed parking area.

The invention discloses a multi-mode singing system comprising a man-machine interaction module, a singing mode switching module, a singing auxiliary module, a song updating module and a central processor. Singing modes comprise the single singing mode, the PK singing mode, the scoring singing mode and the training singing mode. The multi-mode singing system is easy to operate and diversified in singing mode and can meet the singing demands of different users; on-demand automatic updating of songbook data is achieved, so that the users can freely select songs; online communication and PK of multiple accounts can be achieved, and entertainment is high; recording of singing videos can be shared according to the needs; and playing of original sound audio data can be automatically achieved through an earphone module in the singing process so that guiding of a singer can be achieved under the situation that singing is not interrupted or accompany/original sound modes are switched.

The invention discloses a satellite navigation receiver carrier loop tracking device in a high dynamic environment, which comprises a discriminator, a loop filter, a numerically-controlled oscillator and an open loop acceleration estimator, wherein the discriminator is used for generating a phase difference or a frequency difference between a receiving signal after stripping a pseudo code and a local reproduction carrier signal, and sending the phase difference or the frequency difference to the loop filter; the loop filter is used for generating a receiving signal speed estimation value and an acceleration estimation value according to output of the discriminator; the numerically-controlled oscillator is used for acquiring frequency of the local reproduction carrier signal according to output of the loop filter, generating a local reproduction carrier signal and inputting the signal to the discriminator; and the open loop acceleration estimator is used for estimating a Doppler frequency change rate of the receiving signal and assigning the Doppler frequency change rate to the loop filter. The loop has a strong high dynamic signal tracking ability, the loop performance can be effectively improved, and when the receiving signal has an acceleration of tens of g and even hundreds of g or the receiving signal has a large dynamic change, the receiving signal can be tracked.

The invention relates to the field of a food processing machine, and particularly relates to a food boxing machine. The food boxing machine comprises a box feeding mechanism, a box arranging transport mechanism and a clamping mechanism, wherein the box feeding mechanism and the clamping mechanism are respectively arranged above the box arranging transport mechanism, the box feeding mechanism is arranged on one end of the clamping mechanism, and one side of the clamping mechanism is provided with a conveyor belt for transporting to-be-arranged food; the clamping mechanism comprises an installation framework, and the installation framework is provided with a plurality of mechanical claws. The movement of the mechanical claws in three directions are realized by utilizing a guide device, a horizontal drive mechanism and a vertical drive mechanism; moreover, the full-automatic adjustment can be realized, and the distance adjustment of the mechanical claws can be automatically realized under the situation that no manpower is needed; the food boxing machine can be suitable for various support boxes in various sizes only by replacing a track plate, the artificial anticipation is eliminated, the production efficiency is improved, and the automation degree is improved.

The invention discloses a high-precision guiding method applied to a photoelectric tracking system of a vehicle-borne platform, which is applicable to the photoelectric tracking system of the vehicle-borne platform, aiming at solving the problems of low guiding precision and even difficult guiding of the photoelectric tracking system due to the facts that the vehicle-borne platform is difficult to level with a high precision, and the state is not stable after leveling. A high-precision electronic gradienter is fixed on a plane which is vertical to a position axle, and the transverse direction of the high-precision electronic gradienter is tangent with the position rotating direction; data are transmitted to a computer by the high-precision electronic gradienter through a serial port in real time; guiding data of a target position are corrected in quasi-real time depending on measuring data of the high-precision electronic gradienter and an angle measuring element, and the error is corrected by the system to realize the high-precision guidance of the photoelectric tracking system of the vehicle-borne platform.

The invention relates to the field of electric power construction equipment, in particular to a cable traction device with a traction cable adjusting function for electric power engineering. The technical problems that in the belt traction process, the slipping phenomenon is prone to occurring, the clamping effect on cables with different thicknesses is poor, and the traction direction cannot be changed are solved. The invention discloses a cable traction device with a traction cable adjusting function for electric power engineering. The cable traction device comprises a transmission limiting mechanism, a limiting clamping mechanism, an auxiliary cable taking mechanism, a cable guiding mechanism and the like, the limiting clamping mechanism is arranged around the rear portion of the transmission limiting mechanism, the upper portion of the auxiliary wire taking mechanism is fixedly connected with the transmission limiting mechanism, and the cable guiding mechanism is located on the left of the auxiliary wire taking mechanism. Through cooperation of the transmission limiting mechanism and the limiting clamping mechanism, the limiting clamping mechanism adapts to the diameter of the high-voltage cable so as to clamp and convey the high-voltage cables with different diameters, and through cooperation of the auxiliary cable taking mechanism and the limiting assembly, the cable taking work of the high-voltage cable is completed.

The embodiment of the invention relates to the technical field of Android application and development, and provides a novel function guiding method and device. The method comprises the steps of obtaining a layout file to be displayed, and adding a guiding control to the layout file, wherein the guiding control inherits View, and the View is the base class of all views; adding views to be guided and prompting pictures corresponding to the views to be guided into the guiding control; drawing a highlight display region by the guiding control according to the views to be guided, and displaying theprompting pictures in the highlight display region so as to achieve novel function guiding. Compared with the prior art, novel function guiding can be achieved without writing a large number of codes, and the development efficiency is high.

The present invention discloses a parking lot vehicle guidance system which comprises a parking space state detector which is arranged at a parking space and is used for detecting whether a vehicle is in the parking space, an information management device which is connected to the parking space state detector and is used for sending a parking space without a vehicle to a vehicle guidance device according to the parking space information and parking space state information returned by the parking space state detector, the vehicle guidance device which is arranged in the parking space and is connected to the information management device and is used for displaying the parking space without the vehicle. An owner which enters the parking lot to park a vehicle can park the vehicle through the vehicle guidance device, and the traffic congestion caused by the blind searching of the parking space in the parking lot can be avoided. The clearing and guidance of the vehicles parked in the parking lot are realized, and a vehicle congestion phenomenon in the parking lot can be avoided to a certain extent.

The invention discloses a vision sensing device for welding seam tracking. The vision sensing device for welding seam tracking is used for jointly achieving automatic tracking of welding seams with amagnetic control arc sensor. Before welding starts, a vision sensor acquires an image of a to-be-welded workpiece under the condition that optical filters for light are not increased or decreased, andrecognizing and guiding of the welding initial position and planning of the welding gun trajectory are completed. Next, the vision sensor is made to swing to be aligned with a welding gun, at the moment, a slider 1 is automatically loaded to a light passing hole, the left and right deviation information during welding starts to be acquired, a deviation signal acquired by the magnetic control arcsensor is used for joint correction to achieve welding seam tracking, after the welding gun trajectory path acquired at the beginning is completed, it is needed to swing the vision sensor again so asto acquire a front weldment image, in the process from that the vision sensor is aligned with the welding gun to swing to that the vision sensor is perpendicular to a workpiece, a slider 2 is automatically loaded to the light passing hole to perform continuous sampling on the weldment image, the accurate welding seam image is acquired by means of image treatment, the accurate welding seam image and the deviation information acquired by the magnetic control arc sensor are used for joint accurate tracking, and automatic welding is completed.

The invention provides an air conditioner air deflector and an air conditioner. The air conditioner air deflector comprises a rear side plate and a front side plate, wherein an air inlet is formed in the upper part of the rear side plate for allowing at least one part of air flow blown out by the fan of the air conditioner to enter; the front side plate is connected to the outer side of the rear side plate; an air flow channel 13 is formed between the front side plate and the rear side plate; and an air outlet is formed in the bottom of the front side plate for allowing air flow which enters the air flow channel 13 through the air inlet to guide out. According to the scheme adopted by the invention, the air flow channel 13 is formed between the rear side plate and the front side plate, and a combined structure of a double-layer plate and a middle hollow structure is adopted, so that at least one part of air flow enters the air flow channel 13 through the air inlet and is guided out from the air outlet, and therefore, a negative-pressure region of the air deflector can be reduced or eliminated; the flow direction of heat-exchange air flow can be guided, friction between the heat-exchange air flow and the air deflector is reduced, and warm and humid air can be prevented from flowing backwards, so that the air deflector is prevented from being condensed, and use experience of the user is prevented from being affected.

The invention discloses an assembly type frame beam slope protection construction method, and relates to the technical field of slope protection. A frame beam comprises a plurality of water guide parts arranged at intervals in the length direction of a side slope; the sections of the water guide parts are U-shaped; an inverted V-shaped water diversion part is connected between every two adjacent water guide parts; during construction, sundries, floating soil and loose rocks on the slope surface of the side slope are removed firstly, and then leveling and compacting operation is performed to reinforce the slope surface; then a waste residue layer, a growth substrate layer and a reinforcing mesh are sequentially laid on the slope surface, the reinforcing mesh is fixed to the slope surface through fixing pieces and covers the growth substrate layer, then the frame beam is installed and constructed, and a prefabricated drainage channel is fixed to the bottom of the side slope; and finallyvegetation is planted on the slope surface, and timely irrigation and maintenance are conducted according to the growth condition of the vegetation. The assembly type frame beam slope protection construction method has an excellent protection effect, and the stability of the slope is improved.

The invention discloses a multi-exit dispatch scheduling method and system for a parking lot, and a storage medium. The method comprises the following steps of, when a parking management cloud platform detects the dispatch of a vehicle with a target license plate through a vehicle identification device, acquiring exit information of current plurality of exits, determining a user intelligent terminal bound to the target license plate, and pushing the exit information of the current plurality of exits to the user intelligent terminal bound to the target license plate, or pushing the corresponding dispatch strategy information to the user intelligent terminal bound to the target license plate according to the exit information of the current plurality of exits. The method can realize the guidance of a plurality of vehicles, accelerate the moving speed and dispatch speed of vehicles at the parking lot, and prevent from affecting the dispatch effectiveness of the parking lot caused by that the exit dispatch is blocked due to the reasons such as equipment, driver operation or roads outside the exits.

The invention discloses a vehicle guiding method and device on an expressway and a medium. The method comprises the steps of acquiring traffic event information occurring in a monitoring area; inputting the traffic event information into a preset traffic event analysis model, and determining an influence area of the traffic event; within a preset duration, according to a preset short-time traffic prediction model, determining the number of vehicles to arrive in the influence area; and determining a guiding scheme corresponding to the influence area according to the number of the vehicles. According to the embodiment of the invention, the influence area of the traffic event is determined and the number of vehicles to arrive in the influence area is predicted, so that the guidance scheme of the influence area is obtained, the situation of aggravated congestion due to excessive traffic flow in the future can be effectively avoided, the vehicles in the influence area can be finely guided, and the traffic efficiency of the expressway is improved when a traffic event occurs.

The invention discloses a separate collection assistive device of a general garbage can and relates to the technical field of household garbage classification. The separate collection assistive device comprises a garbage can outer sleeve frame, wherein the garbage can outer sleeve frame comprises a shell; an opening is formed in the bottom of the shell; a garbage can inlet is formed in one side face of the shell; a plurality of clamping bulged parts are arranged on the edge of the garbage can inlet; a baffle plate is arranged on the garbage can inlet; clamping grooves matched with the clamping bulged parts are formed in the baffle plate; a lifting mechanism is further hinged to the baffle plate; a garbage throwing inlet is formed in the shell; U-shaped hangers are oppositely arranged on opposite inner walls of the shell; a garbage can cover is further hinged to the upper part of the shell; a cover turnover mechanism is connected with the garbage can cover; a support plate is connected below the internal part of the shell; two ends of the support plate are fixedly connected with opposite inner walls of the shell; and a host computer is further mounted on the inner wall of the shell. The separate collection assistive device realizes the technical effect of directing a garbage thrower to form a habit of placing garbage in a classified manner by being cooperated with the general garbage can.