52results about How to "Achieve suppression" patented technology

The invention provides an indoor noise elimination device. The indoor noise elimination device comprises a noise collector, a backward wave frequency transmitter and a controller. The noise collector is used for measuring the waveform and frequency of external noise in a preset direction and transmitting external noise collection signals. The backward wave frequency transmitter is used for attenuating or offsetting noise energy and can emit backward sound waves with the same frequency as the external noise in the direction opposite to the direction of the external noise, or can form a wave attenuating energy field region on a noise transmission channel, wherein the wave attenuating energy field region can prevent the external noise from entering a room. The controller is used for receiving the external noise collection signals and controlling the working status of the backward wave frequency transmitter according to the external noise waveform and frequency corresponding to the external noise collection signals. According to the indoor noise elimination device, the noise collector is used for measuring the external noise, and the controller is used for controlling the backward wave frequency transmitter to eliminate the noise, so that active elimination of the noise is achieved, the effect of noise elimination is improved, and the noise pollution is reduced.

The embodiment of the invention provides a method, a device and equipment for identifying multiple paths of voice as well as a readable storage medium. The method comprises the following steps: receiving audio data collected by multiple paths of microphone arrays, carrying out wave beam formation treatment on each path of audio data to obtain audio signals corresponding to audio collection areas in each path of audio data, and weakening audio signals in other directions of the path of audio data; carrying out interference inhibition treatment on multiple paths of audio signals to obtain voicesignals corresponding to each audio collection area, reducing interference of noise signals of other audio collection areas on the path of voice signals, carrying out voice identification of the voicesignals to obtain a voice identification result corresponding to each audio collection area, and improving identification rate of the voice identification; inhibiting mutual interference among the multiple paths of voice signals when multiple people talk at the same time to obtain a voice identification result corresponding to each audio collection position, and improving the efficiency and accuracy of voice identification.

The invention discloses high-thermal-conductivity engineering plastic and a preparation method thereof. The high-thermal-conductivity engineering plastic is prepared from raw materials as follows: in parts by mass, 100 parts of an engineering plastic matrix, 10-400 parts of thermal-conductive filler, 1-20 parts of a dispersant, 1-20 parts of a coupling agent and 5-1000 parts of other additives. The thermal-conductive filler of the engineering plastic evenly disperses in a plastic matrix solution, and is smashed after film formation and drying or spray drying to obtain granular materials. The engineering plastic prepared with the preparation method has relatively high thermal conductivity and good mechanical and machining performance.

The invention discloses a medicine combination for curing onychomycosis and tinea manuum and pedis, which comprises an ointment and a liquid medicine that are prepared and applied independently. Wherein, the ointment comprises the following components with relevant weight shares: Vaseline of 50-70 shares, urea of 30-50 shares and resorcinol of 25-30 shares; the liquid medicine comprises the following components with relevant weight shares: distilled water of 80 to 120 shares and glacial acetic acid of 20 to 40 shares. The ointment in the invention has outstanding effects of eliminating true fungus and softening the affected nail; the liquid medicine has the effects of sterilizing and preventing the relapse, ensuring strong penetration and realizing double effects for curing and promoting the growth of new nail. With the coordination of the two medicines, the fungus can be eliminated and the affected disease source area can be completely sterilized, thus thoroughly curing the onychomycosis, realizing outstanding treatment effect for tinea manuum and pedis. Besides, in clinical medication, the invention results in no adverse reaction and ensures reliable treatment effect.

The invention discloses a ring-pull can packaging device removing iron ring-pull cans from waste ring-pull cans and belongs to the field of automatic packaging. The ring-pull can packaging device can remove the iron ring-pull cans in the process of packaging the aluminum ring-pull cans. The ring-pull can packaging device comprises a charging system (1), a feeding system (2), a ring-pull can packaging system (3), a discharging system (4) and a control host. The ring-pull can packaging device adopts a powerful magnet to remove the iron ring-pull cans in the conveying process and enables the ring-pull cans to become blanks, full-automatic ring-pull can pressing can be achieved, manual intervention is not needed in the whole process, and a large number of manpower and material resources are saved.

The invention belongs to seismic signal processing field in seismic prospecting technology and specifically discloses a multichannel prediction deconvolution method based on primary wave sparsity constraint. The method comprises steps of: determining a limited support domain and a corresponding mathematic model of a 2D prediction filter in multichannel prediction deconvolution; decreasing the number of coefficients of the solved 2D prediction filter; constructing an optimization problem applying sparsity constraint to a primary wave and solving the 2D prediction filter by suing a fast iteration shrinkage threshold algorithm so as to achieve multiple suppression. Compared with a conventional multichannel prediction deconvolution method which needs to estimate all filter coefficients in a filter coefficient space and which applies energy minimization constraint to the primary wave to solve the 2D prediction filter, the method may decrease the number of coefficients of the solved 2D prediction filter, effectively balances primary wave protection and multiple suppression, and reduces the computation complexity of optimization problem solution.

The invention discloses a hot-pressing device for a PVC flame-retardant plastic-wood composite material, and relates to the technical field of material processing equipment. The hot-pressing device comprises a workbench, wherein the workbench is sequentially provided with a weighing table, a hot pressing groove, a hot pressing mechanism, a compression roller mechanism, a conveying mechanism and a cooling mechanism in the length direction of the workbench, the hot pressing groove is formed in the weighing table, electric heating tubes are embedded in the peripheral side wall of the hot pressing groove, the side wall, far away from the weighing table, of the hot pressing groove is provided with a material passing opening, and the cooling mechanism comprises a fan and a smoke removing box. According to the device, the weighing table, the hot pressing groove, the hot pressing mechanism, the pressing roller mechanism and the cooling mechanism are arranged, particles are weighed through the weighing table, preheating and leveling are performed in the hot pressing groove, and the particles are pressed into a plate with a certain thickness through the hot pressing mechanism, and then flattening and compacting are further carried out through the compression roller mechanism, so that the problem that the quality of the plate after hot pressing of an existing hot press is not too close is solved, the tail gas is reused, pollution is avoided, the operation is simple, and the device is suitable for popularization.

The invention provides a cutter for automatically feeding and capable of machining plates with different sizes. The cutter comprises a pushing mechanism and a movable limiting mechanism. A worktable is sawed as a left worktable and a right worktable by a grinding wheel saw; the pushing mechanism includes at least one conveying part; a pushing part is at least arranged at an incoming end of the conveying part; the plates are put on the worktable, and are forwards pushed in the direction of the grinding wheel saw through matching between the pushing part and the conveying part; the grinding wheel saw is positioned between two ends of the conveying part; the pushing mechanism further includes at least one plate pressing device; the plate pressing device is fixed on the limiting mechanism, and includes a pressing wheel; and the height from the pressing wheel to the worktable is equal to or smaller than the height of the plates. The cutter can achieve the purposes of automatically pushing the plates and machining the plates with different sizes through the pushing mechanism and the movable limiting mechanism.

The invention relates to the technical field of shifting mechanisms, in particular to an electronic product container packing method. The electronic product container packing method comprises a framebody, a conveying part, a side plate leveling part, an end plate leveling part and an adhesive tape bonding part; the end plate leveling part, the side plate leveling part and the adhesive tape bonding part are arranged in a conveying direction of the conveying part in sequence; an extension part is arranged at the bottom of the frame body; the conveying part comprises a back conveying part, and afront conveying part consisting of a chain transmission roller way; the back conveying part comprises a conveying frame; the upper surface of the conveying frame is a conveying plane consisting of multiple cylinders; the two sides of the cylinders are connected with the two sides of the conveying frame; the conveying plane is provided with slide bars capable of oppositely moving along the conveying plane and clamping packing containers; conveying belts are arranged on the side surfaces of the slide bars; the slide bars are provided with extrusion parts for extruding the upper parts of the packing containers; and limiting parts for preventing side plates and end plates of the leveled packing containers from upwards turning are arranged at the bottom of the frame body. The electronic product container packing method not only can seal the packing containers with multiple specifications, but also can prevent generation of gaps in seals.

The invention discloses a pre-treatment type zip-top can packaging method for removing iron zip-top cans from waste zip-top cans, belongs to the field of automatic packaging and can be used for removing iron zip-top cans in the aluminum zip-top can packaging process. Adopted equipment comprises a loading system (1), a feeding system (2), a zip-top can packaging system (3), a discharging system (4), a pretreatment funnel (5) and a control main unit. The method works in the principle that the iron zip-top cans are removed through powerful magnets in the conveying process, the zip-top cans are pressed to blanks, automatic pressing of the zip-top cans can be realized, manual intervention is not required in the whole process, and a large quantity of labor and material resources are saved.

The invention relates to the field of disposable hygienic products, in particular to anti-tightening pull-ups. The anti-tightening pull-ups comprise a front waistline, a rear waistline and an absorption main body. The rear waistline comprises a base material layer; the upper end of the base material layer extends out of the absorption main body to form an extension part; the extension part is provided with a plurality of rubber bands along the width direction; elastic sheets are arranged at the left end and the right end of the absorption main body on the base material layer respectively; theelastic sheets extend to cover the two sides of the absorption main body and are bonded with the absorption main body; the portions, covering the absorption main body, of the elastic sheets achieve elasticity loss in a spot breaking mode, spot breaking areas are formed at the spot breaking portions; and the sides, away from the absorption main body, of the elastic sheets are bonded with the base material layer. The technical problems that in the prior art, the waistline of a pair of three-piece pull-ups needs to be subjected to rubber band breaking, consequently, perforation and wrinkling areirregular, and the appearance presentation degree is poor are solved. Correspondingly, the invention further provides a manufacturing process of the anti-tightening pull-ups.

Disclosed is an automatic press-fitting system for pointers of a vehicle-mounted pointer-type electronic clock. The automatic press-fitting system comprises a fixing platform, a die cavity, a pointer press-fitting system, a pressure detecting system and an automatic press-fitting control system, wherein the die cavity is used for conducting horizontal fixing and horizontal-movement fixing on the electronic clock, the pointer press-fitting system is used for conducting press-fitting on the pointers of the electronic clock, the pressure detecting system is used for detecting the pointer press-fitting pressure in real time, and the automatic press-fitting control system is used for controlling currents, pressure and the press-fitting procedure. The die cavity, the pointer press-fitting system and the automatic press-fitting control system are installed on the fixing platform respectively, the pressure detecting system is installed on the pointer press-fitting system, the input end of the automatic press-fitting control system is connected with the output end of the pressure detecting system and the output end of the automatic press-fitting control system is connected with the input end of the pointer press-fitting system. The automatic press-fitting system can guarantee the accuracy of the pointers during pressing by monitoring the pressure in the pressing process in real time and improve the production press-fitting efficiency, has the advantages of being high in universality, convenient to operate, safe, reliable, low in cost and the like, and is easy to popularize and use.

The invention belongs to the technical field of bean curd making, and particularly relates to an automatic bean curd pressing device. The automatic bean curd pressing device aims at achieving the technical purposes that a container can be automatically moved, pressing is convenient, and the container can be conveniently taken out. automatic bean curd pressing device comprises a base, wherein a workbench is arranged on the base, a square frame is arranged on the workbench, treatment boxes are symmetrically arranged on the square frame in a sliding mode, and water falling grooves are formed inthe bottom of the square frame and the bottoms of the treatment boxes. The workbench is provided with a moving device for driving the treatment box to move back and forth; and a mounting plate is arranged at the position, close to the square frame and the moving device, of the workbench. The effects that the container is automatically moved, pressing is convenient, and the container is conveniently taken out are achieved.

The invention discloses an improved vehicle detection terminal. The terminal comprises an MCU processor, a geomagnetic sensor, an acoustic transmitter, a camera, a code receiver and a wireless data transceiver. The geomagnetic sensor, the camera, the acoustic transmitter and the code receiver are connected to the MCU processor, the code receiver is further connected with the wireless data transceiver, and a storage device is connected to the MCU processor. On the basis of the principle, whether cars are parked in a stall, types of the cars and the car parking time can be rapidly identified, the camera can shoot the cars in time through the camera so as to preserve evidence, transmitting is carried out in time through a wireless network, the evidence is grasped, the corresponding measures are taken to the cars which do not pay fee, and the situation that the cars do not pay the fee is greatly reduced.

The invention discloses a compression molding device for cement brick production. The compression molding device comprises a mounting frame, a mixing box is mounted at the upper end of the mounting frame, a second motor is mounted at one side of an extrusion box through a mounting seat, the output shaft end of the second motor is fixedly connected with a rotating shaft where an extrusion rod is located, and a manufacturing platform is mounted at one side of the mounting frame; and a mounting groove is formed in the surface of the upper end of the manufacturing platform, a fixing mechanism is mounted at the inner side of the mounting groove, a manufacturing mold is mounted at the inner side of the fixing mechanism, fixing frames are mounted at the two sides of the manufacturing platform, material flattening mechanisms are mounted at the inner sides of the fixing frames, and compacting mechanisms are mounted at the upper ends of the inner sides of the fixing frames. According to the compression molding device, a third motor is started to drive a threaded rod to rotate, then a scraping plate is driven to move back and forth, then the scraping plate is driven to flatten materials, after material flattening is completed, a hydraulic cylinder is started to compact the manufacturing mold, exhaust is conducted through an exhaust fork while compacting is conducted, and then cement bricks are pressed.

The invention provides a plate cutter capable of automatically feeding. A worktable is sawed as a left worktable and a right worktable by a grinding wheel saw; a pushing mechanism includes at least one conveying part; the right worktable has a gap for accommodating the conveying part; a pushing part is at least arranged at an incoming end of the conveying part; plates are put on the worktable, and are forwards pushed in the direction of the grinding wheel saw through matching between the pushing part and the conveying part; the grinding wheel saw is positioned between two ends of the conveying part; the pushing mechanism further includes at least one plate pressing device; the plate pressing device is fixed on the left worktable, and includes a pressing wheel; and the height from the pressing wheel to the worktable is equal to or smaller than the height of the plates. Compared with the prior art, as the conveying part is arranged on the worktable, and the pushing device is arranged on the conveying part, when the plates are put on the worktable, the conveying part drives the pushing device to move, and the pushing device drives the plates to move so as to realize conveying of the plates to the grinding wheel saw; and the plate pressing device realizes no upward floating in pressing of the plates.

The invention discloses an oil channel structure of a cold bending machine for a three-dimensional curved surface plate material and a method for pressing the plate material, and particularly discloses the oil channel structure of the cold bending machine for forming the three-dimensional curved surface plate material. The oil channel structure includes a hydraulic cylinder connected with indenters of an upper die/a lower die of the cold bending machine, and the upper die/the lower die of the cold bending machine is provided with M * N indenters. The oil channel structure is characterized in that the indenters are divided into a left area and a right area from the center of the die by indenter array corresponding to the upper die/the lower die of the cold bending machine; the indenters ofeach area are correspondingly arranged an independent oil channel according to a line or a column of the indenter array; each oil channel is in communication with a hydraulic cylinder, and the hydraulic cylinder is correspondingly connected with each indenter in the corresponding line or column of the area; the setting mode of the oil channel in the left area is the same as the setting mode of theoil channel in the right area; and the oil supply of each oil channel is controlled separately. The indenters of the dies are partitioned and controlled, and machining of plates with large twist andlongitudinal curvature can be realized.

The invention relates to the technical field of nuclear power station maintenance, in particular to an integrated device suitable for nuclear reactor neutron flux tube overall water pressure test andhelium inspection. After a neutron flux tube spare part is prepared, a leakage detection device is designed for the requirements of a water pressure test and a nondestructive test, and support is provided for quality inspection of the spare part. In the invention, a helium leakage detector is connected with a helium leakage detection connecting device through a corrugated pipe buckle, a neutron flux tube is connected with the helium leakage detection device, a handle end is fixed at a sealing section of a middle body, the sealing section of the middle body is connected with a sealing ball valve through a bolt; in a helium leakage detection state, the outer wall helium filling device of the neutron flux tube is connected with the sealing ball valve through a transverse stop valve, a pressure gauge is connected with the sealing ball valve through a vertical stop valve; and in a water pressure test state, a hydraulic booster pump is connected with the sealing ball valve through the transverse stop valve. The efficiency is improved, the cost is saved, and the purpose of leakage detection can be well achieved.

The invention discloses a preparation method of dried bean curd sheets, relates to the technical field of bean curd sheet preparation, and aims to solve the problems of serious nutrition loss and uneven forming quality in the existing bean curd sheet preparation process. The method comprises the following steps: 1, soaking soybeans in soaking water for a fixed time; 2, putting the washed soybeans into a pulping machine for pulping; 3, heating the raw soybean milk in a cooking container at high temperature; 4, filtering the cooked soybean milk by using a 100-mesh gauze, and naturally cooling the filtered soybean milk in a marinating barrel; 5, when the cooked soybean milk in the marinating barrel is cooled to 80 DEG C, 0.3% of edible salt is preferentially added, the use taste is improved, and a coagulating agent is gradually poured into the marinating barrel after the edible salt is dissolved; 6, after marinating, standing and curing to form the beancurd jelly flower; 7, crushing the uncongealed beancurd flower by using a forming machine; and 8, after the cloth liner is wetted, spreading the cloth liner in a forming cavity, and injecting the crushed beancurd jelly into the forming cavity for compression forming.

The invention relates to the technical field of latex paint, in particular to odor-free full-effect interior wall paint and a preparation method thereof.The odor-free full-effect interior wall paint is prepared from, by weight, 19%-21% of deionized water, 35%-37% of pigment and filler, 30%-32% of emulsion, 7.2%-7.3% of film-forming agent, 0.3%-0.4% of bactericide, 0.6%-0.7% of cellulose, 0.6%-0.7% of defoaming agent, 0.8%-1% of dispersing agent and 3.15%-3.25% of assistant.The odor-free full-effect interior wall paint can effectively reduce VOC of latex paint and has the advantages that the odor-free full-effect interior wall paint is environmentally friendly, the environment-friendly effect is achieved, and the environment-friendly effect is achieved. The functions of inhibiting and killing germs, removing carcinogenic toxic substances, removing peculiar smell and purifying air are realized.

The invention discloses a two-piece cap structure. The two-piece cap structure comprises a cap top, two side cap pieces and a rear end cap piece, wherein the two side cap pieces are fixedly mounted atthe lower left and lower right ends of the cap top, the rear end cap piece is fixedly mounted at the lower end of the rear side of the cap top, the two side cap pieces and the rear end cap piece areof an integrally formed structure, a projecting groove is formed in the middle of the rear end cap piece, a cap brim is connected into the cap top, a passages a is formed in the joint between each ofthe two side cap pieces and the cap top, a telescopic support rod is mounted in each passage a, and a stop piece device is fixedly mounted in each of the two side cap pieces. The two-piece cap structure has the advantage that the passage a is formed in the joint between each of the two side cap pieces and the cap top and used for mounting the telescopic support rod, a passage c is formed in the front end of the cap brim, and during use, the telescopic support rods penetrate through the passages a and c to fix two sides of the cap brim, so that the cap brim is stiff.

The invention discloses an isostatic pressing flush vertical press type die capable of telescoping freely. The isostatic pressing flush vertical press type die comprises a flush die, a flush rubber sleeve, a top pressing plate and shaping pressing rods. The flush die is provided with a flat cavity and no upper cover. The flush rubber sleeve comprises a U-shaped upper rubber sleeve body and a U-shaped lower rubber sleeve body. The shape of the U-shaped portion of the upper rubber sleeve body or the lower rubber sleeve body is identical to that of the cavity of the flush die. The upper rubber sleeve body is embedded in and sleeved with the lower rubber sleeve body to form a cavity for containing powder. The invention further discloses an isostatic pressing method with the isostatic pressing flush vertical press type die applied. The method comprises the steps that the flush die is placed flatwise, the lower rubber sleeve body is placed on the flush die in a sleeved mode, the lower rubber sleeve body is loaded with the powder, then the upper rubber sleeve body is placed on the lower rubber sleeve body in the sleeved mode, and the upper rubber sleeve body and the lower rubber sleeve body are sealed through a sealing device; the upper surface of the downward concave portion of the upper rubber sleeve body is covered with the top pressing plate, supporting legs of the shaping pressing rods are placed on the upper surface of the top pressing plate in an abutting mode, and the shaping pressing rods are fixed to the flush die; and then the die is vertically placed into an isostatic pressing machine for pressing. The device and method provided by the invention are high in powder loading efficiency, capable of manufacturing large-sized plate blanks and high in product qualification rate, and the powder is even.

The invention discloses a rattan braided fabric assembling structure and method. The assembling structure comprises a frame, a limiting piece and a rattan braided fabric. An installing groove is formed in the frame. A clamping position is arranged at the wall of the installing groove. The limiting piece is provided with a clamping portion which is in clamping fit with the clamping position. At least part of the rattan braided fabric is installed inside the installing groove, and the portion, located inside the installing groove is installed at the limiting piece inside the installing groove tobe limited. By improving the assembling mode of the rattan braided fabric, the automatic degree is increased, possibility is supplied to full-automatic operation, the technology is simple, an assembled product is attractive in appearance, and rattan pieces with bevel edges can be pressed.