32results about How to "Implement size change" patented technology

The invention relates to an infrared dynamic triangular target simulator, belonging to the technical field of infrared simulation. The simulator comprises a vertically-arranged triangular target assembly, a beam combiner, a horizontally-arranged round interference assembly and a collimation projecting lens, wherein the triangular target assembly is used for generating a triangular target with continuously variable size, light intensity and gesture; the round interface assembly is used for generating a round interface with continuously variable size, light intensity and position; and the triangular target and the round interface are respectively reflected and transmitted by the beam combiner and then projected to a tested infrared imaging guide head through the collimation projecting lens in parallel beams. According to the invention, the triangular target is used for simulating a marauding aircraft or missile, the round interface is used for simulating baits released by the aircraft or missile, not only the fidelity problem of the target simulator for simulation is solved, but also the simulation test evaluation precision of dynamic tracking and anti-jamming property of the infrared imaging guide head is improved.

The invention discloses a BP neural network-based steel seal character recognition method, which belongs to the technical field of image recognition. The method comprises the following steps of: photographing a workpiece steel seal through an industrial camera arranged in an industrial field, and acquiring an image; performing threshold segmentation on the image through a machine learning clustering algorithm. A good segmentation effect is achieved; the problem that features and character backgrounds cannot be accurately segmented through traditional single threshold segmentation for steel seal pictures is solved. Meanwhile, a clustering algorithm is applied to character segmentation, automatic segmentation of characters in the image is achieved, normalization processing of the image solves the problem that the size of the image is changed due to the fact that position deviation possibly exists in the moving process of the workpiece, and the accuracy of steel seal recognition is improved; meanwhile, training of the steel seal recognition model is achieved through the neural network, and the model has a good effect in a test set.

The invention discloses an opening-adjustable dustbin which comprises two linear frameworks, a base casing and a pedal, wherein a first ratchet and a second ratchet which are meshed with each other are arranged in the base casing, the rotation direction of the first ratchet is opposite to that of the second ratchet, one sides of the linear framework are arranged in the base casing in a penetrating mode and coaxially connected with the first ratchet and the second ratchet respectively, the other side of each linear framework extends out of the base casing to support a bag opening of a rubbish bag, the pedal is arranged on the outer wall of the lateral side of the base casing, a lever structure is connected between the pedal and the second ratchet, the pedal can move up and down to drive the second ratchet to rotate forward and reversely. The opening-adjustable dustbin can be adjusted to be suitable for bag openings of different rubbish bags, the change of the opening size of the dustbin is achieved, and the use efficiency of the dustbin and the rubbish bags are improved through a simple structure; meanwhile, a tray is used for carrying rubbish, so that the problem that the rubbish bags are prone to being broken is solved, and the tray also can be cleaned conveniently after being used.

The invention relates to a gear shift assistor of a vehicle, which comprises a gear shift self-locking block and a spring self-locking pin, wherein the gear shift self-locking block is arranged on a gear shift shaft, the spring self-locking pin is used for locking the gear shift self-locking block, a gear shift travel section between a neutral-position arc-shaped groove and a forward engagement-position arc-shaped groove and a gear shift travel section between the neutral-position arc-shaped groove and a backward engagement-position arc-shaped groove on the gear shift self-locking block are both arranged into inclines, the distance between the starting points of the gear shift travel sections close to one end of the neutral-position arc-shaped groove and the centre of the circle of the gear shift shaft is greater than the distance between the terminal points of the gear shift travel sections and the centre of the circle of the gear shift shaft, and the included angle formed by the gear shift travel sections and a straight line between the center of the neutral-position arc-shaped groove and the axle center of the gear shift shaft is 40-65 degrees. By improving the structure of a self-locking mechanism of a gear shift position, the invention can realize the locking of the gear shift position, can also form gear shift assistance during gear shift, lightens the gear shift strain of a driver, meets the driving comfort and also lowers the production cost.

The invention discloses a novel pipefitting clamping device for an industrial robot. The novel pipefitting clamping device comprises a rack, wherein a through connection cavity is formed in the rack;slip grooves are equally formed in the left and right ends of the upper end wall of the through connection cavity; the slip grooves communicate to the through connection cavity and an assembling table; the assembling table is in slip connection to the rack through the slip grooves in a matched manner; a mounting and connecting hole is formed in the front end wall of the through connection cavity;a first electro-rotor is fixedly connected to the front end wall of the mounting and receiving hole; a through connecting hole is formed in the front end wall of the mounting and receiving hole; the through connecting hole communicates to the mounting and receiving hole and the through connection cavity; the first electro-rotor is in power connection to a through connecting shaft A, the front endof which penetrates through the through connecting hole; a fixedly connected cone edge wheel A is arranged at the front end of the through connecting shaft A; and the cone edge wheel A is provided with a cone edge wheel B in matched connection to the cone edge wheel A.

The invention relates to an infrared dynamic triangular target simulator, belonging to the technical field of infrared simulation. The simulator comprises a vertically-arranged triangular target assembly, a beam combiner, a horizontally-arranged round interference assembly and a collimation projecting lens, wherein the triangular target assembly is used for generating a triangular target with continuously variable size, light intensity and gesture; the round interface assembly is used for generating a round interface with continuously variable size, light intensity and position; and the triangular target and the round interface are respectively reflected and transmitted by the beam combiner and then projected to a tested infrared imaging guide head through the collimation projecting lens in parallel beams. According to the invention, the triangular target is used for simulating a marauding aircraft or missile, the round interface is used for simulating baits released by the aircraft or missile, not only the fidelity problem of the target simulator for simulation is solved, but also the simulation test evaluation precision of dynamic tracking and anti-jamming property of the infrared imaging guide head is improved.

A using method of a flow chamber for a bio-fluid experiment comprises steps as follows: Step one, assembly: an upper sheet groove of an upper sheet is aligned to a top boss of a lower sheet for embodiment, and fixed nuts of fixing screw holes are sequentially mounted; Step two, feeding of a circulating fluid: two thin fluid tubes on one side of the flow chamber are butt-jointed through a semi-circular, upward and rainbow-shaped hose, one of the two thin fluid tubes on the other side is connected with a sample feeding hose, the other one is connected with a sample discharging hose, when the flow chamber is full of the fluid, the closed sample discharging hose is opened, the flow velocity is kept, a microscope lens is used for performing observation from the top, and the experiment is started; Step three, phase-change counter flow of the circulating fluid. The using method has the benefits as follows: the using method of the flow chamber for the bio-fluid experiment is convenient to use, and the flow chamber structure for the bio-fluid experiment is combined and formed quickly and efficiently through combination of the upper and lower sheets as well as a series of simple parts arranged between the upper and lower sheets.

The invention discloses an opening-adjustable dustbin which comprises two linear frameworks, a base casing and a pedal, wherein a first ratchet and a second ratchet which are meshed with each other are arranged in the base casing, the rotation direction of the first ratchet is opposite to that of the second ratchet, one sides of the linear framework are arranged in the base casing in a penetrating mode and coaxially connected with the first ratchet and the second ratchet respectively, the other side of each linear framework extends out of the base casing to support a bag opening of a rubbish bag, the pedal is arranged on the outer wall of the lateral side of the base casing, a lever structure is connected between the pedal and the second ratchet, the pedal can move up and down to drive the second ratchet to rotate forward and reversely. The opening-adjustable dustbin can be adjusted to be suitable for bag openings of different rubbish bags, the change of the opening size of the dustbin is achieved, and the use efficiency of the dustbin and the rubbish bags are improved through a simple structure; meanwhile, a tray is used for carrying rubbish, so that the problem that the rubbish bags are prone to being broken is solved, and the tray also can be cleaned conveniently after being used.

The invention relates to the field of discharge equipment for conveyer belts, in particular to a discharge hopper for belt conveyers. The discharge hopper comprises a hopper body and a guide damper fixed or hinged to the inside of the hopper body; storage cell units are further disposed within the hopper body; an opening of each storage cell unit is located at a material fall path of the guide damper and points to a material fall direction of the guide damper; the storage cell units are at least distributed on two sidewalls of the hopper body, close to a discharge opening of the hopper body, and the rear wall of the hopper body; the inner edge of each storage cell unit and the front wall of the hopper body form a discharge opening of the hopper body, and each discharge opening discharges material into a receiving system below; the bottom of each storage cell unit is provided with an adjusting plate whereby the width of the storage cell unit can be adjusted; the inner edge of each storage cell unit is fixed on the corresponding adjusting plate. The discharge hopper has the advantage that reliable running of the hopper and the belt conveyer below can be effectively ensured.

The invention discloses an improved new-process new-technology device which comprises a stand. A rotary bin is arranged in the stand; slide rails are correspondingly arranged at the left end and the right end of an upper end wall of the rotary bin, and communicate with the rotary bin and an installation table; the installation table is connected with the stand through the slide rails in a runningfit way; an installation hole is formed in a front end wall of the rotary bin; a first motor is fixedly connected onto a front end wall of the installation hole; a through hole is formed in the frontend wall of the installation hole, and communicates with the installation hole and the rotary bin; the first motor is in power connection with a rotary rod A with the front end penetrating through thethrough hole; a fixedly connected conical inclined wheel A is arranged at the front end of the rotary rod and is provided with a conical inclined wheel B cooperatively connected with the conical inclined wheel A; a rotary rod fixedly connected with the conical inclined wheel B is arranged in the center of the conical inclined wheel B, and is rotatably connected with a left end wall and a right end wall of the rotary bin; and a first conveying wheel fixedly connected is arranged at the leftmost end of the rotary rod A.

The invention discloses an improved domestic drawer device which comprises a machine base. A rotating groove is formed in the machine base; sliding grooves are symmetrically arranged at the left end and the right end of an upper end wall of the rotating groove, and communicate with the rotating groove and a placement table; the placement table is connected with the machine base through the slidinggrooves in a sliding fit way; a placement hole is formed in a front end wall of the rotating groove; a first electromotor is fixedly connected onto a front end wall of the placement hole; a communicating hole is formed in the front end wall of the placement hole and communicates with the placement hole and the rotating groove; the first electromotor is in power connection with a rotary pin shaftA with the front end penetrating through the communicating hole; and a fixedly connected conical wheel A is arranged at the front end of the rotary pin shaft A and is provided with a conical wheel B connected with the conical wheel A in a matching way.

The invention provides an aeration tube, the aeration tube is a hollow tube body, which includes a tube wall, a cavity surrounded by the tube wall and open ends located at both ends of the tube wall, and the tube wall is along the axial direction There are several first ventilation holes arranged in a straight line, and a position is provided on the pipe wall close to each opening end and between the opening end and the outermost first ventilation hole among the several first ventilation holes. The second air hole, the straight line where the center of the second air hole is located is offset from the line where the center line of the first air hole is located, and the diameter of the first air hole is smaller than the diameter of the second air hole. The invention also provides an aeration pan and an immersion etching machine.

The invention discloses an air-conditioner air-outlet regulating device, an air conditioner and an air volume regulation method. The device comprises an air duct system, a fan system mounted in the air duct system and at least one flow guide mechanism mounted on the air outflow side of the air duct system; the air duct system is divided into at least two branches through the flow guide mechanisms, the air outflow side of the air duct system is divided into at least two air outlets by the flow guide mechanisms, and after the fan system sucks air into the air duct system, air outflow regulation is performed through the flow guide mechanisms. One air outlet of the air conditioner is disassembled into the multiple air outlets, size change of the range of the air outlets of the air conditioner is realized by cooperation of a flow distribution mechanism and a flow guide plate, air supply volume of each air duct branch is changed in real time, the range of the air outlets of the air conditioner is enlarged greatly, periodic fluctuating air can be generated by the air conditioner, and further user comfortableness is improved; besides, by controlling opening and closing of each air outlet of the air conditioner, air speed of the air outlets can be increased greatly as well; the air-conditioner air-outlet regulating device is low in cost, simple in structure, convenient and practical.

The invention relates to a flowing chamber for a biofluid experiment. The technical scheme of the lowing chamber for that biofluid experiment is that the flowing chamber comprises an upper piece, a lower piece, an upper piece groove sealing washer, a cellular glass slide, a flowing chamber sealing gasket and a glass sealing piece, wherein the upper piece groove sealing washer, the cellular glass slide, the flowing chamber sealing gasket and the glass sealing piece are arranged sequentially from the upper piece to the lower piece, horizontal planes of the upper piece groove sealing washer, the cellular glass slide, the flowing chamber sealing gasket and the glass sealing piece are rectangular, the length and width dimensions of the upper piece groove sealing washer, the cellular glass slide, the flowing chamber sealing gasket and the glass sealing piece are same, and the upper piece and the lower piece are connected through bolts; the flowing chamber for the biofluid experiment has the advantages that the structure is simple, and the use is convenient; at the same time, the practicability is high, the size of the flowing chamber can be changed by simply adjusting the thickness of the flowing chamber sealing gasket, accordingly, a flexible effect is realized, and various experiment requirements are met; particularly, several stages of buffering flow balancing structures are designed at an inlet and an outlet of the flowing chamber, and in and out of fluid both pass through all stages of buffering flow balancing so that the experiment data are more accurate, and the experiment effect is better.

The invention provides a modularized cabinet unit and a combined-type cabinet. A body of the modularized cabinet unit is a cubic framework formed by twelve beams, angle blocks are arranged at the eight angles of the cubic framework respectively, and the abutting ends of every three corresponding beams are fixedly connected through the angle blocks. For each face of the cubic framework, inner edges formed by the corresponding beams, the corresponding angle blocks are provided with flange edges and inner peripheral connectors, and the flange edges and the inner peripheral connectors are used for installing surface plates. Locating grooves are further formed in the flat section faces of the angle blocks, and the locating grooves are used for realizing precision stacking of a plurality of modularized cabinet units through locating pins. Locking connectors are further arranged on the outer side faces of the corners of the angle blocks, and the locking connectors are used for realizing fixed connection of the modularized cabinet units through corresponding locking connecting pieces. The modularized cabinet unit has the advantages that only one type of cabinet unit needs to be developed for meeting the use requirements of different clients, and then product serialization can be realized simply through modularized variant design; designing and machining time is short, and the delivery requirements of the clients can be quickly responded.

The present invention relates to a clothing model, in particular to a clothing model with adjustable body size, which includes a body, the body includes a waist buttocks, an upper body, a neck, and shoulders and arms, and the lower end of the upper body is provided with a first slide Rod, the upper end surface of the waist buttocks is provided with a first sliding hole, the upper body slides up and down relative to the waist and buttocks through the cooperation of the first sliding rod and the first sliding hole, and more than two The second sliding rod of the upper body is provided with two second sliding holes near the shoulder and arm parts, the upper end of the upper body is provided with a third sliding hole, and the neck is connected with the third sliding rod through the third sliding hole. The cooperation of the sliding hole can move up and down relative to the upper body. It solves the technical problem that the existing clothing models cannot be adaptively adjusted.

The invention relates to a flowing chamber for a biofluid experiment. The technical scheme of the lowing chamber for that biofluid experiment is that the flowing chamber comprises an upper piece, a lower piece, an upper piece groove sealing washer, a cellular glass slide, a flowing chamber sealing gasket and a glass sealing piece, wherein the upper piece groove sealing washer, the cellular glass slide, the flowing chamber sealing gasket and the glass sealing piece are arranged sequentially from the upper piece to the lower piece, horizontal planes of the upper piece groove sealing washer, the cellular glass slide, the flowing chamber sealing gasket and the glass sealing piece are rectangular, the length and width dimensions of the upper piece groove sealing washer, the cellular glass slide, the flowing chamber sealing gasket and the glass sealing piece are same, and the upper piece and the lower piece are connected through bolts; the flowing chamber for the biofluid experiment has the advantages that the structure is simple, and the use is convenient; at the same time, the practicability is high, the size of the flowing chamber can be changed by simply adjusting the thickness of the flowing chamber sealing gasket, accordingly, a flexible effect is realized, and various experiment requirements are met; particularly, several stages of buffering flow balancing structures are designed at an inlet and an outlet of the flowing chamber, and in and out of fluid both pass through all stages of buffering flow balancing so that the experiment data are more accurate, and the experiment effect is better.