16 results about "Mechanical filter" patented technology

The utility model relates to tire performance test equipment technical field provides a kind of tire vibration signal mechanical filtering device, comprising: mounting base, damping material and vibration sensor mounting seat, the mounting base is fixedly installed on the wheel axle of tire high-speed endurance testing machine, vibration sensor mounting seat bottom is set in the recess on mounting base, the connecting place of vibration sensor mounting seat and mounting base is filled with damping material, vibration sensor is provided on vibration sensor mounting seat, damping material split type is set, the utility model uses mechanical filtering device, filters out the testing machine vibration signal of high frequency, so that the vibration signal of more clear and understandable expression tire is shown vibration signal, compared with traditional digital filtering signal, can filter out interference signal from source, more effectively process high-frequency impact and other abnormal signals, and mounting base, damping material and vibration sensor mounting seat are convenient for installation connection between.

The invention belongs to the technical field of environmental engineering, and particularly relates to a filter pressing test device for sludge dewatering and a dewatering method, and the device comprises a rack, a mechanical filter pressing system and a control system. According to the mechanical filter pressing system, a driving module drives a middle cross beam to vertically move along a rack, and then a movable extrusion part is controlled to carry out filter pressing on a sludge sample in a separation container. The core is that the control system is integrated with a pressure sensor, a displacement sensor and a weighing device, pressure, displacement and filtrate quality data are acquired in real time by a processing module to judge the filter pressing state, and a control module realizes closed-loop control on a driving module according to the pressure, displacement and filtrate quality data and dynamically regulates and controls a filter pressing mode. The key problems that an existing device is poor in loading mode adaptability and cannot synchronously and accurately acquire real-time mechanical and filtrate data are solved, accurate control and multi-parameter synchronous acquisition of multiple filter pressing processes such as constant pressure and constant speed are achieved, the structure is compact, the automation degree is high, and a reliable technical means is provided for accurately evaluating the sludge dewatering performance.

This application provides a filtration device for a heating supply system, including a filter box and multiple filter plates disposed within the filter box. The filter box has an inlet and an outlet. The multiple filter plates are arranged sequentially along the fluid flow direction, wherein at least one layer is a magnetic filter layer and at least one layer is a mechanical filter layer. The magnetic filter layer is used to adsorb ferromagnetic impurities, and the mechanical filter layer is used to retain solid impurities. This filtration device for a heating supply system, through the combination of magnetic and mechanical filter layers, effectively filters various impurities in the heating supply system, meeting the protection requirements of the heating supply system under complex impurity conditions.

Disclosed is an apparatus and method for combating light sensitivity, or photophobia, for people with low vision. Both the apparatus and method filter particular wavelengths of light associated with photophobia. This filtering is achieved while maintaining a luminance that is acceptable to the user and that maintains contrast. The apparatus of the disclosure is a mechanical filter that can be applied over an electronic screen. The method utilizes software and a filtering module associated with either the CPU or GPU of a computer. The filtering module processes a video signal by eliminating certain targeted wavelengths of light.

The invention discloses a while-drilling multi-parameter and sound-vibration response synchronous impact rock drilling test device and a method thereof, belongs to the technical field of rock drilling engineering tests, and solves the problem that an existing test device is difficult to truly and independently simulate a cooperative relationship of three actions of impact, propulsion and rotation in an actual rock drilling process. A multi-stage mechanical filtering chain of impact source-elastic energy storage-damping dissipation-inertia isolation-low-frequency servo is formed, high-frequency impact energy is effectively limited in a drill rod and rock sample area, impact disturbance is prevented from being transmitted into a propulsion servo system along a rigid path, and therefore effective decoupling of impact loading and propulsion loading is achieved on the structural level. Meanwhile, the rotary loading unit realizes physical decoupling with axial impact and propulsion load through an independent hollow rotating shaft structure, and the axial impact load and the propulsion load act on the drill rod and the rock sample through an independent axial force transmission path instead of being transmitted through a rotary transmission path.

The utility model provides a silent filtering range hood, relates to the technical field of kitchen utensils, and solves the technical problems that a traditional range hood in the prior art generally adopts a single-stage filtering mode, so that the oil smoke filtering effect is insufficient, a large amount of oil enters a fan along with oil smoke, and the service life of the fan is shortened. The device comprises an air inlet main body, at least one first air inlet is formed in the front wall of the air inlet main body, a static filter or a dynamic filter is installed in the first air inlet, at least one dynamic filter or static filter is arranged above an outlet in the top of the air inlet main body, and the static filter or the dynamic filter is arranged above the outlet in the top of the air inlet main body. The dynamic filter can rotate relative to the air inlet body. According to the utility model, dynamic and static mechanical filters are adopted, and a photolysis technology is creatively added, so that the lampblack filtering effect is optimal.

The utility model discloses an absorption solution filtering system for a CO2 removal system of a gas-based shaft furnace. The absorption solution filtering system comprises a mechanical filter, an activated carbon filter, a carbon catcher and a centrifugal filter, an absorption solution pipeline of the CO2 removal system is communicated with an inlet of a mechanical filter through a solution filtering main valve, an outlet of the mechanical filter is communicated with an inlet of an activated carbon filter, an outlet of the activated carbon filter is communicated with an inlet of a carbon trap, and an outlet of the carbon trap is communicated with an absorption tower; the outlet of the mechanical filter is communicated with the inlet of the centrifugal filter through the stop valve; the outlet of the centrifugal filter is communicated with the absorption tower. The filtering system can effectively filter impurities and metal ions in a solution, so that stable operation of a CO2 removal system and stable and smooth operation of a shaft furnace are realized; the centrifugal filter is arranged and is started when the content of impurities in the absorption solution is high, so that the absorption effect is further improved, the impurities and the like in the absorption solution are effectively removed, and the stable operation of the CO2 removal system is ensured.

The utility model provides a filter for adjusting ND and GND through voltage. The filter comprises a control unit and a filter unit. The filter unit comprises a first ITO conductive substrate and a second ITO conductive substrate, the first ITO conductive substrate and the second ITO conductive substrate are closely attached between the first ITO conductive substrate and the second ITO conductive substrate to form a closed cavity, a dichroic dye / liquid crystal composite layer is arranged in the closed cavity, and PI films are attached to the outer side of the first ITO conductive substrate and the outer side of the second ITO conductive substrate respectively. The control unit comprises at least one flexible circuit, and one end of one flexible circuit is clamped between the first ITO conductive substrate and the second ITO conductive substrate and applies an electric field. According to the utility model, the orientation of dichroic dye molecules is adjusted by adjusting the voltage and changing the intensity of an electric field, so that the transmittance is changed, the wide dynamic range, quick response, stepless transmittance control and intelligent adjustment of ND and GND filters are realized by using the electronic control liquid crystal technology, and the electronic control liquid crystal filter is a revolutionary alternative scheme of a traditional mechanical filter, and has a wide application prospect. The tedious step that the filter needs to be manually replaced when the scene and the light change in the shooting process is solved, and the shape is not limited.

The invention discloses a microbubble content detection mechanism and a hydrogen production electrolytic cell, and relates to the technical field of hydrogen production electrolytic cells. The microbubble content detection mechanism comprises a working box, the outer wall of the working box is rotatably connected with two door plates, the outer walls of the door plates are fixedly connected with a signal processing module, and the inner wall of the working box is fixedly connected with a detection part. According to the microbubble content detection mechanism and the hydrogen production electrolytic tank, in the filtering mechanism, the extrusion plate is driven to ascend through the telescopic machine, the filter pressing layer and the percolation layer are driven to interact, and water is subjected to filter pressing. Specifically, when the extrusion plate ascends, water between the filter pressing layer and the percolation layer is extruded and filtered, impurities are intercepted in the filter pressing layer, and the filtered water moves to the top of the percolation layer. In the process, a mechanical filter pressing mode is utilized, suspended particles and impurities in water are efficiently removed, the problem that blockage is prone to occurring in traditional filtering is solved, and it is ensured that water entering the hydrogen production electrolytic bath is clean.

A system for controlling air quality in a vehicle cabin includes at least one mechanical filtering device receiving unfiltered air and collecting particulate matter from the unfiltered air. Air flow downstream from the mechanical filtering device is a first filtered air flow. At least one ultraviolet (UV) light source is positioned within the vehicle between the at least one mechanical filtering device and the vehicle cabin, wherein the UV light source directs UV light into the first filtered air flow.

The utility model discloses a mechanical filter convenient to clean, and relates to the technical field of mechanical engineering, the mechanical filter convenient to clean comprises a fixing mechanism, the fixing mechanism comprises a filter, and the top of the filter is fixedly connected with a first fixing plate. The rotating shaft drives a second fixing plate to start to move, then the second fixing plate drives a first scraping plate to start to move, the first scraping plate can clean away impurities in the filter, then a connecting rod at the bottom of the rotating shaft drives a first filter screen to rotate, then a scraping plate on the first filter screen starts to move, and the scraping plate can scrape away the impurities in the first filter screen. The filter surface of the filter screen can be in direct contact, impurities attached to a filter medium can be rapidly scraped off in the operation process, long-time accumulation of the impurities is avoided, and therefore the cleaning speed and efficiency are greatly improved.

This invention discloses a filter switching device and a smart camera for day and night monitoring using the device. The filter switching device includes a dual bandpass filter, a left-hand circularly polarized light (CLC), and a right-hand circularly polarized light (CLC) stacked sequentially. The left-hand and right-hand CLCs are connected to a driving circuit via electrodes. The driving circuit controls the power supply to the left-hand and right-hand CLCs. The dual bandpass filter allows both band A and band B to pass through. The left-hand CLC is configured to reflect left-hand circularly polarized light of band A and transmit right-hand circularly polarized light of band A when power is off. The right-hand CLC is configured to reflect right-hand circularly polarized light of band A and transmit left-hand circularly polarized light of band A when power is off. Both the left-hand and right-hand CLCs allow both band A and band B to pass through when power is on. This invention's filter switching device achieves efficient switching between visible and infrared light through an electrically controlled filter, replacing the traditional mechanical filter structure.

The utility model discloses a fan gear oil monitoring and processing system which comprises an oil pump. The outlet end of the oil pump is connected with a viscosity detection module, a granularity detection module, a quality detection module and a filtering module which are arranged in parallel; the outlet ends of the viscosity detection module, the granularity detection module, the quality detection module and the filtering module are connected with an oil return port; a constant temperature device is arranged in the viscosity detection module; the filtering module comprises a filtering tower, and a magnetic bar, a mechanical filtering piece and a fine filtering piece are sequentially arranged in the filtering tower in the flowing direction of gear oil. The gear oil detection and filtering device has the advantages that detection and filtering are integrated, gear oil can be detected in time, filtering treatment can be carried out after detection, the detection and filtering period is short, response is timely, and therefore the service life of a fan gear is prolonged, and healthy operation of a fan gear box is guaranteed.

The present invention relates to a mechanical system (1) comprising movable mechanical elements (6) to be lubricated or cooled in a housing, the mechanical system (1) having a lubrication system (10) equipped with a reservoir (7) containing a lubricating fluid (4), the lubrication system (10) having a main fluid circuit (101) extending from the reservoir (7) to a fluid spray circuit (12), the main fluid circuit (101) having a flow generator (11), a mechanical filter (25), and a magnetic plug (80). The main fluid circuit (101) includes a magnetic filter (30) through which the lubricating fluid (4) flows between the reservoir (7) and the fluid spray circuit (12), the magnetic filter (30) comprising at least one magnetized wall (32). Abstract figure: Figure 1

The utility model belongs to the technical field of ice bath machines, and particularly relates to a filter element backwashing device suitable for an ice bath machine, which comprises a backwashing filter body, a water inlet and a water outlet are respectively arranged at two ends of the backwashing filter body, and a mechanical filter element is inserted at one end of the backwashing filter body close to the water inlet. A drain outlet corresponding to the mechanical filter element is formed in the bottom of the backwashing filter body, and the backwashing filter body is in threaded connection with a water flow reversing valve corresponding to the mechanical filter element. The structure of the original mechanical filter is adjusted, meanwhile, the water flow reversing valve is additionally arranged inside the filter, the drain outlet is additionally arranged outside the filter, the corresponding mechanical filter element can be changed into an automatic flushing mode from a manual flushing mode, and after the process is optimized, the subsequent ice bath machine can automatically clean the mechanical filter element on line.

The invention relates to the technical field of sludge mechanical filter pressing, and discloses an efficient closed-loop circulating filter pressing system and method.The efficient closed-loop circulating filter pressing system comprises a dry material area, a wet material area, a first-stage filter pressing area and a second-stage filter pressing area; when the linear pushing mechanism acts on the pushing and turning movement chassis, a group of rollers, in the same acting direction as the linear pushing mechanism, of the pushing and turning movement chassis descend and are in contact with the well-shaped circulating track to drive the material box to be lifted; #-shaped rails are adopted for splicing and matched with one-way pushing, the whole rails are firm and durable, the structural stability is improved, the turning movement chassis controls a set of idler wheels with the same acting direction as a linear pushing mechanism to descend and make contact with the #-shaped circulating rails to drive a material box to be lifted, and the transverse and longitudinal required lengths of the system are both reduced; therefore, the adaptability of the whole system and the installation space is improved, four-box cooperative circulation can be realized, and the efficiency is improved.