36results about How to "Impact identification" patented technology

The invention discloses a motor vehicle license plate erasing machine. The machine comprises a rack and a controller, wherein a feeding belt and an erasing belt which are matched with each other are arranged on the upper side and the lower side of the rack and are driven by a feeding motor and an erasing motor respectively, meanwhile, a solvent box is further arranged on the rack, an erasing solvent is sprayed to the erasing belt through a spraying device, and the controller is connected with the feeding motor and the erasing motor separately. According to the machine, during use, a license plate is located between the feeding belt and the erasing belt, when the feeding belt drags the license plate to the outlet end, the front face of the license plate rubs against the erasing belt to complete the erasing operation of the license plate, meanwhile, the belt is adopted as a carrier of erasing cloth, the advantages of high structural strength of a roller and large effective erasing area of the cloth belt are achieved, automatic erasing operation is achieved, and meanwhile, the machine can conduct erasing operation continuously, so that the production efficiency of the machine is greatly improved.

The invention discloses a touch screen, a display panel and a display device. The touch screen, the display panel and the display device are used for achieving the infrared touch control function of identifying user operation remotely and are simple in manufacturing technology and excellent in product property. The touch screen comprises multiple infrared sensors, and the infrared sensors comprise source electrodes, drain electrodes and active layers located between the source electrodes and the drain electrodes, wherein the source electrodes are used for receiving external voltage signals, the drain electrodes are connected with an infrared integrated circuit, and the active layers are used for absorbing the infrared ray energy reflected by a user and generating current carrier transition, so that a conductive channel is formed, the source electrodes are conductively connected with the drain electrodes, the source electrodes send the voltage signals to the infrared integrated circuit, and the infrared integrated circuit identifies the operation actions of the user according to the received voltage signals.

The invention discloses a buffer circuit-based high-precision wireless voice recognition access control system, which mainly consists of a central processing unit, a second wireless transmission module, an A/D (analog to digital) switching circuit, an access control driving circuit, an alarm module, a display module, a memory, a first wireless transmission module, a frequency stabilization circuit, a sound sensor, an access control, a signal processing circuit, a PC (personal computer) and the like, wherein the A/D switching circuit, the access control driving circuit, the alarm module, the display module, the memory and the first wireless transmission module are respectively connected with the central processing unit; the frequency stabilization circuit is connected with the A/D switching circuit; the sound sensor is connected with the frequency stabilization circuit; the access control is connected with the access control driving circuit; the signal processing circuit is connected with the second wireless transmission module; the PC is connected with the signal processing circuit. According to the buffer circuit-based high-precision wireless voice recognition access control system disclosed by the invention, data transmission is performed by adopting a wireless manner to realize access control and the information exchange of the PC, therefore the construction difficulty is reduced, and an administrator is helped to transform an access control network in the future; the buffer circuit-based high-precision wireless voice recognition access control system disclosed by the invention is provided with a buffer circuit; the buffer circuit can be used for smoothly inputting a signal into the central processing unit, so that the phenomenon that signal processing and recognition of the central processing unit is influenced by signal fluctuation is avoided, and the recognition precision of the buffer circuit-based high-precision wireless voice recognition access control system disclosed by the invention is improved.

The invention relates to the field of computer keyboard equipment, in particular to a computer keyboard with an auxiliary illumination system. The computer keyboard comprises lamp heads, a connectionline, a power line, a keyboard film and keys, wherein the lamp heads are distributed in arrays in channels between the keys; the connection line connects the lamp heads and is provided with a female connector; the power line comprises a male connector and a USB plug; and the keyboard film is provided with a fluorescent layer and a light shading layer. The fluorescent layer is arranged in the keyboard film of the keyboard, so that the contents as same as the keys can be displayed; and lamplight of the lamp heads under the keyboard film illuminates the fluorescent layer, so that the displayed contents of the keyboard film can be clearly seen in a relatively dark place.

The invention belongs to the field of genetically engineered drugs and relates to a novel BAFF mutant capable of participating in immune adjustment. The BAFF mutant relates to the BAFF mutant expressed through a prokaryotic system and provided with unnatural amino acids. The BAFF mutant can generate antibodies through stimulating an organism to participate in adjusting an immune system, and can be used for preparing medicine for curing autoimmune diseases.

The invention discloses a labeling and sorting system. The labeling and sorting system is characterized by comprising an operation table, wherein a belt conveying line is arranged in the middle of theoperation table, a width adjustment mechanism, a system controller, a printing mechanism, a labeling smoothing mechanism and a scanning mechanism are sequentially arranged in the movement direction of the belt conveying line, a printing inclination angle is formed between a printing opening of the printing mechanism and the belt conveying line, and the system controller controls the width adjustment mechanism, the printing mechanism, the labeling smoothing mechanism and the scanning mechanism to complete corresponding operation. By using the system, the automatic operation of labeling, checking and screening can be realized, the workload of workers can be reduced, and the working efficiency and accuracy can be improved.

The invention relates to a detector, in particular to a color blindness detector. The color blindness detector achieves the technical purposes that attention of children can be attracted, and errors can be avoided. According to the technical scheme, the color blindness detector comprises a base, an installing column, a supporting rod, an arc frame, a pointer, an annular frame, a square block, connecting blocks, a rotating wheel, a first spring, a friction rod, a sliding block, a sliding rail and the like; the installing column is connected to the top of the base, the supporting rod is connected to the upper portion between the left and right walls inside the installing column, the rotating wheel is rotationally installed in the middle of the front side of the supporting rod, four connecting blocks are evenly connected to the outer side of the rotating wheel at intervals, and the annular frame is connected to the outer sides of the four connecting blocks. A medical worker rotates the annular frame so that the pointer is pointed to the square block of the needed color, and color blindness detection can be performed on children; the position of the square block can be fixed through the friction rod, the phenomenon that the square block rotates freely due to the external force effect is avoided, and the detection result accuracy can be ensured.

The invention provides a method for judging the interference type of a bunch type fruit mother branch based on a visual scaling method, and the method comprises the steps: firstly achieving the pre-positioning of the mother branch through the cooperation of a monocular camera and a binocular camera, and obtaining a pre-positioning image and a pre-positioning geometric center point of the mother branch; then obtaining an actual positioning image and an actual positioning geometric center point of the mother branch in the picking process through a binocular vision camera; and finally, comparing the actual positioning image and the pre-positioning image of the mother branch by using a monocular vision zooming method, and determining the interference type of the mother branch. By means of the method, the fruit bunches can be accurately and effectively recognized, the mother branches of the fruit bunches can be pre-positioned, the interference types of the mother branches can be accurately judged in the picking process, influences of external factors are avoided, then the picking robot accurately cuts off the mother branches of the fruit bunches, the integrity of the fruit bunches is guaranteed, the picking efficiency is improved, the picking cost is reduced, and labor is saved.

The invention provides a method for identifying a bunch-type fruit mother branch based on a monocular camera and a binocular camera. The method comprises: firstly, acquiring a color image of bunch-type fruit characteristics including fruits, leaves and branches by adopting the monocular camera; training, segmenting, identifying and extracting the color image by using a support vector machine and an AdaBoost algorithm to obtain color images of fruits, leaves and branches then; classifying single-fruit bunches, double-fruit bunches and multi-fruit bunches of the fruits by utilizing a fruit bunch classification principle, and then identifying fruit bunch mother branches through perpendicular bisectors of upper and lower bottoms of outlines of fruit bunches, which are externally tangent to rectangles; and finally, obtaining a binocular stereo image of the mother branch of the fruit bunch by adopting a binocular camera, realizing feature matching of the left image and the right image by utilizing a normalized cross-correlation function, and finally obtaining the space coordinate of the mother branch. According to the method, the fruit bunches can be accurately and effectively identified, the mother branches of the fruit bunches can be positioned, intelligent picking of bunch type fruits is achieved, the picking efficiency is high, and the labor cost is effectively reduced.

The invention relates to a trimetazidine hapten and an artificial antigen, and preparation methods and applications thereof. The hapten has a structure represented by the formula (I) or formula (II) defined in the specification, wherein n is 1-3 and m is 1-3; the hapten provided by the invention is introduced with an arm connecting structure and an active group for coupling macromolecules on the basis of reserving a basic structure of trimetazidine, not only facilitates coupling of macromolecules, but also fully exposes a self molecular structure and the basic structure of trimetazidine with small molecular weight after coupling, and prevents the hapten from being masked by the macromolecules and prevents influence of animal body identification. The artificial antigen is prepared by coupling the hapten with a protein by an active esterification method, the coupling ratio can reach 14.2, and the artificial antigen can be used for immunological detection of trimetazidine.

The invention relates to the technical field of health and epidemic prevention, and discloses an automatic cleaning device used for a health and epidemic prevention propaganda warning board. The automatic cleaning device comprises an outer shell, a first rotating shaft is movably connected in the outer shell, a first gear is fixedly connected to the outer portion the first rotating shaft in a sleeving manner, a chain is movably connected to the outer portion of the first gear, a movable block is movably connected to the outer portion of the chain, a first sliding groove is slidably connected to the outer portion of the movable block, a first shell is movably connected to the outer portion of the first sliding groove, a second rotating shaft is movably connected in the first shell, a rotating rod is fixedly connected to the outer portion of the second rotating shaft, and a rack is movably connected to the outer portion of the rotating rod. Through interaction of the first rotating shaft, the first gear, the chain, the movable block, the first sliding groove, the first shell, a supporting frame, a lead screw, a sliding block and a limiting assembly, a sweeping structure can be driven to comprehensively clean a glass layer of the propaganda warning board, then the workload of workers is reduced, the practicability of the propaganda warning board is improved, and people can read propaganda content conveniently.

The invention discloses car headlights against rain and fog for a driverless car, comprising a car body, headlight mounting plates, bulbs and outer lamp covers. The headlight mounting plates are located at two ends of the front part of the car body, and the bulbs are located at the surfaces of the headlight mounting plates. The outer lamp covers are fixed to both ends of the headlight mounting plates by screws, and one side of each bulb is provided with an inner lamp cover. Two ends of each inner lamp cover are connected with the surfaces of two ends of one headlight mounting plate. A light sensor is disposed below each bulb, and a top plate is disposed at the top end of each outer lamp cover. According to the invention, through arrangement of baffles, hot air conveyed by a car-mounted airconditioner is completely used by the outer lamp covers, so that the removal intensity for water droplets of the outer lamp covers by the hot air of the car-mounted air conditioner is improved, and the advantage that the water droplets are prevented from entering the interior of the headlights through ventilation holes is provided. Through arrangement of the inner lamp covers, the bulbs are protected, cold air is prevented from entering the interior of the headlights via the ventilation holes to influence the bulbs to a certain extent, and meanwhile, the service life of the bulbs is prolonged.