20results about How to "No pressure" patented technology

The invention discloses an intelligent phototherapy hair clasp which comprises a hair clasp body, the hair clasp body is of a bent structure so as to be tightly attached to the outline of the head, and a plurality of light columns are arranged in the hair clasp body in an array mode; the light source module comprises a plurality of light sources and wavelength selection filters which are arranged in an array mode, the head of each light pillar is provided with the corresponding light source, and the output end of each light source is provided with the corresponding wavelength selection filter; the monitoring module is used for monitoring electroencephalogram data and scalp temperature data of the brain of the patient; the data acquisition module is used for acquiring the electroencephalogram data and the scalp temperature data; the microcontroller is used for processing the acquired electroencephalogram data and scalp temperature according to a preset algorithm, controlling the light source and the wavelength selection filter based on an algorithm processing result and an instruction provided by a patient, and intelligently providing corresponding treatment parameters for the patient. Therefore, a safer, more effective and more convenient treatment choice can be provided for the patient.

The utility model discloses a fire protection ware, including the guard board and lining, said guard board is made of hard plastic material, said guard board is matched with joint shape, said guard board is provided with at least two sets of penetrating holes that are arranged at interval, said lining includes interlining cloth, cushion pad and surface cloth that are attached to each other in proper order, said interlining cloth, cushion pad and surface cloth are integratedly molded by compression, said lining cloth, cushion pad and surface cloth are equipped with the lining cloth, cushion pad and surface cloth are equipped with the lining cloth, cushion pad and surface cloth. A spherical groove with a radian in the middle is formed; the lining cloth is provided with two belt bodies arranged at intervals, the two belt bodies penetrate through the two penetrating holes respectively, and the ends, away from the lining cloth, of the two belt bodies are provided with a male buckle and a female buckle respectively. A good protection effect can be achieved by adopting the hard plastic material, particularly, the TPU material has good supporting performance and preset deformation degree, joints are effectively protected, layering caused by sewing or glue can be effectively avoided due to the fact that the lining is integrally formed in a mold pressing and hot pressing mode, the structure is stable, and the service life is long. Meanwhile, the lining is more comfortable, joints are flexible, no oppression is caused, and long-time exercise is facilitated.

The utility model relates to the field of textile fabric, especially a kind of high-strength wear-resistant fabric, including wear-resistant surface layer and antibacterial substrate layer, wear-resistant surface layer and antibacterial substrate layer between being equipped with hot melt gauze, antibacterial substrate layer is made of fiber with antibacterial function, hot melt gauze top and bottom respectively with wear-resistant surface layer and antibacterial substrate layer fixed connection, hot melt gauze is woven from hot melt fiber;Wear-resistant surface layer is woven from first fiber bundle and second fiber bundle, and the first fiber bundle includes main wear-resistant fiber as core line, and auxiliary wear-resistant fiber around core line, the weaving density of first fiber bundle in wear-resistant surface layer is 60-90 per square centimeter Root;Second fiber bundle includes main tensile fiber as core line, and auxiliary tensile fiber around core line, the weaving density of second fiber bundle in wear-resistant surface layer is 50-70 per square centimeter Root. Its solved the technical problem that existing fabric cannot consider wear resistance and tensile property.

The application relates to the technical field of swimming pool cleaning equipment, and discloses a swimming pool robot cleaning path generation method and a control system, which comprises the following steps: reading environment parameters, extracting instantaneous depth and depth change rate, constructing a depth sequence, calculating local depth variance, activating the isobath tracking logic or the yaw angle locking traversal mode according to the comparison result, executing global traversal work, extracting the net surface resistance index by using the difference between the real-time total load current and the theoretical reference current, stopping the global traversal when the resistance index is greater than the resistance threshold, generating an orthogonal covering path instruction, improving the speed of a duct motor and increasing the current limiting threshold of a track and a roller brush motor, and when the resistance index is not greater than the resistance threshold, reducing the speed of the duct motor and resetting the current limiting threshold, and then completing the global work. Through coupling of the path instruction and the bottom load state, the application dynamically configures the driving system and the down pressure power parameter, and reduces the probability of robot motion jam in the variable resistance area.

The utility model discloses a right-angle joint which comprises an elbow joint and an upper connecting pipe, an upper connecting port is arranged on the left side of the elbow joint, a lower connecting port is arranged at the bottom end of the elbow joint, the elbow joint is connected with the upper connecting pipe through the upper connecting port, and the elbow joint is connected with the lower connecting pipe through the lower connecting port. The right-angle connector is provided with the flow stabilizing blocks and the flow guiding grooves, the flow stabilizing blocks increase the thickness of the pipe wall at the fluid turning position, so that turbulent flow and vortex are reduced, the speed of fluid is reduced through the two sets of slopes, it can be ensured that the fluid stably passes through without generating violent vibration or pressure fluctuation, abrasion to the turning position of the inner wall of the elbow connector is reduced, and breakage is avoided; the sawtooth-shaped texture structures formed on the surfaces of the flow stabilizing blocks and the flow guide grooves can disperse fluid into a plurality of small flow channels, the kinetic energy of the fluid is effectively dispersed, vibration and noise in a pipeline system are reduced, and the problem that the stability of fluid passing is poor is solved.

The invention belongs to the technical field of medical rehabilitation instruments, and particularly relates to a rehabilitation training device for oropharyngeal dysphagia, which comprises a mounting plate and a fixing assembly arranged on the surface of the mounting plate, the fixing assembly comprises rotating columns mounted on the two sides of the mounting plate, an arc-shaped plate used for being fixed to a patient, a rubber supporting plate, a rubber supporting column, a vibration motor and a mounting groove, and a rotating assembly is arranged in the mounting groove; the rotating assembly comprises a bottom plate arranged on the inner side of the mounting groove, and a supporting frame I, a vertical plate I, an output motor I, a transmission shaft I, a rotating frame, a mounting block and a fixed shaft I which are used for performing rehabilitation treatment on a patient; according to the rehabilitation device, comfortable support can be provided for a patient, discomfort of the patient in the using process is reduced, multi-angle rehabilitation treatment can be conducted on the patient, and the rehabilitation effect is improved.

The utility model relates to the field of clothes, and discloses a pair of pressed film lady Barbie pants with a shaping effect, which comprises a rear piece pressed film, a rubber pressing front waist opening and a rubber pressing rear waist opening, the rubber pressing front waist opening is connected with the rubber pressing rear waist opening end to end, and the lower ends of the rubber pressing front waist opening and the rubber pressing rear waist opening are connected with a body piece. A rear piece upper lining sticker is arranged at the position, close to the rear waist opening of the pressing glue, of the center of the rear side wall of the body piece, rear piece pressing films are connected to the positions, close to the two sides, of the center of the rear side wall of the rear piece upper lining sticker respectively, and two rear piece lower hip lifting stickers are arranged on the side walls, located at the lower ends of the two rear piece pressing films, of the rear piece upper lining sticker. The body piece is in the one-piece type trapezoid shape, so that the problem that the side portion of a common woman trousers is rubbed and hurt is solved, the back piece upper lining fitting is matched with the woman body, the body is not pressed after the woman trousers are worn, the back piece lifts the hip fitting downwards, the back hip part is lifted upwards, the woman trousers are comfortable to wear, the hip shape is modified, the front waist opening and the back waist opening are pressed with rubber, and the side portion connecting pressing rubber is comfortable after the woman trousers are worn.

The invention discloses a breathable elastic composite nonwoven fabric, which is composed of a surface layer nonwoven fabric, an intermediate layer elastic film and a bottom layer nonwoven fabric. Both the surface layer nonwoven fabric and the bottom layer nonwoven fabric are provided with a plurality of strip-type raised areas and recessed areas arranged transversely, the intermediate layer elastic film is provided with funnel-shaped openings, and the surface layer nonwoven fabric and the bottom layer nonwoven fabric form a strip-type air-permeable channel between the raised areas, so that when worn, internal humid and hot air can penetrate into the air-permeable channel space formed by the bottom layer nonwoven fabric and the elastic film through the bottom layer nonwoven fabric, the humid and hot air can diffuse rapidly in the air-permeable channel in the length direction and the height direction of the air-permeable channel space, and enter into the air-permeable channel space formed by the elastic film and the surface layer nonwoven fabric through the openings of the elastic film, and then be discharged from the elastic composite nonwoven fabric, thereby achieving the effect of rapid heat conduction and moisture removal.

The utility model discloses leisure optical glasses of replaceable foot, which is composed of a lens, a frame and a leg. The lens is installed in the frame. The frame has a pivot joint seat at both ends. The pivot joint seat has a longitudinal pivot slot and a transverse rotating slot. The pivot slot has a lower opening and an inner opening. The inner opening is trumpet-shaped. The rotating slot is connected with the middle section of the pivot slot. The leg is made of nylon material. The front end of the leg has a pivot joint. The pivot joint has a longitudinal pivot shaft and a transverse connecting rod. The pivot shaft is inserted into the pivot slot through the lower opening from bottom to top. The connecting rod is assembled in the rotating slot through the inner opening. The leg can be unfolded or folded by rotating the connecting rod in the rotating slot. The rear of the leg has a necked section. A rubber sleeve is wrapped around the necked section. A rubber pad is installed inside the rear section of the leg. An adjustable metal core is arranged in the rear section of the leg. The leg can be easily replaced. The leg is well fitted to the wearer's head and is suitable for leisure activities.

The present disclosure provides a earpiece including an electro-acoustic transducer and a housing. The housing supports the electro-acoustic transducer such that the housing and the electro-acoustic transducer together define a first acoustic volume and a second acoustic volume. The electro-acoustic transducer is arranged such that a first radiating surface of the transducer radiates acoustic energy into the front acoustic volume and such that a second radiating surface of the transducer radiates acoustic energy into the second acoustic volume. A front port couples the first acoustic volume to a space outside of the housing, and a rear port couples the second acoustic volume to a space outside of the housing. Respective exit ends of the front port and the rear port combine before exiting the housing via a combined exit volume and exit.

The invention relates to the technical field of attention assessment, and in particular to an ADHD assessment system based on eye movement, comprising an image acquisition module for collecting nine-position eye movement pictures, an intelligent picture screening module for screening qualified eye position pictures, an image processing module for intelligently cutting and adjusting the qualified eye position pictures, a result output module and a printing module. The invention uses the image acquisition module, the intelligent picture screening module, the picture processing module and the result output module to cooperate to collect nine-position eye movement pictures to assess the attention of a subject, and the assessment is performed by monitoring the movement trajectory and fixation point of the eyes. The assessment does not cause any physical discomfort or inconvenience to the subject, has no requirements for the subject, and does not feel oppressive. The eye movement assessment can automatically analyze and record data through computer software, is relatively more efficient and repeatable, and improves the efficiency of attention assessment.

The invention provides a reagent for oxidative degradation of lignin and a method for efficiently removing lignin, and belongs to the technical field of agricultural and forestry biomass degradation and conversion. The invention provides a reagent for oxidative degradation of lignin. The reagent is prepared from the following raw materials: a hydrogen peroxide solution, alkyl acetate and a hydrolysis catalyst, the concentration of the hydrogen peroxide solution is 8-15 wt%; the volume ratio of the hydrogen peroxide solution to the alkyl acetate is (4-6): (6-4); the volume of the hydrolysis catalyst accounts for 1.0-1.5% of the total volume of the hydrogen peroxide solution and the alkyl acetate. According to the method, a hydrogen peroxide-alkyl acetate system is established with the hydrogen peroxide solution with the concentration of 8-15 wt%, peracetic acid can be generated in situ, the reaction system is free of pressure and potential safety hazards during oxidation, and wood lignin can be removed with high selectivity under the condition that the temperature is larger than or equal to 60 DEG C.

This utility model relates to the field of dual dynamic driver headphone technology, aiming to solve the problems of existing push-pull dual dynamic driver headphones where a single dynamic driver unit is the main source of sound, resulting in limited dynamic range and output efficiency, and parallel dual dynamic driver headphones where the multi-cavity design leads to increased size and weight, and discomfort when worn. The present invention provides a rear-mounted dual dynamic driver headphone, including a housing, within which a first dynamic driver unit and a second dynamic driver unit are installed, arranged back-to-back. The space formed between the diaphragm side of the first dynamic driver unit and the housing is the front cavity of the first dynamic driver unit, and the space formed between the diaphragm side of the second dynamic driver unit and the housing is the front cavity of the second dynamic driver unit. The space between the two dynamic driver units is a shared rear cavity. The front cavities of the first and second dynamic driver units are connected by an acoustic channel. A sound outlet is provided on the housing, and the front cavity of the second dynamic driver unit is connected to the sound outlet. This utility model has significant improvements in sound quality, wearing comfort, and production efficiency.

The present invention relates to isolation protective clothing for medical staff to treat epidemic patients. The head and neck part of a smart protective clothing is separated from the trunk and limbs into two independent spaces. A breathing passage is provided in the head and neck part, and a heat dissipation passage is provided in the trunk and limbs. The heat dissipation passage timely removes excess heat from the smart protective clothing to prevent medical staff from sweating. The breathing passage realizes power-assisted group breathing, which can increase the number of layers and density of the filter membrane to achieve better filtering effect and reduce the energy consumption of the chest muscle group of medical staff. A smart protective clothing is disinfected and reused using a smart protective clothing double disinfection device, which solves the problem of severe shortage of protective products during the outbreak of epidemics. The smart protective clothing performs real-time pressure detection during use, detects damage in time and alarms, and reduces the risk of infection for medical staff. The light-weight and low-cost blow-molded overall transparent helmet has no sense of oppression and avoids the oppression of the facial tissue of medical staff by goggles and masks.

The invention provides a catalyst for preparing alpha-diisobutylene by oligomerization of isobutylene and a preparation method of the catalyst. A catalyst carrier is a Beta molecular sieve, is loaded with metals such as copper, cobalt and nickel, and is used for isobutene oligomerization catalytic reaction after dipping and high-temperature roasting. The surface acidity of the molecular sieve is adjusted and changed through the active metal, so that the selectivity of alpha-diisobutylene in a diisobutylene product in the isobutylene oligomerization reaction process of the catalyst is 90% or above, and the catalyst has the advantages that the preparation process is simple, the reaction condition is mild, the catalyst and the product are easy to separate, and the required raw materials are cheap and easy to obtain.

The application provides a reagent for oxidatively degrading lignin and a method for efficiently removing lignin, and belongs to the technical field of degradation and conversion of agricultural and forestry biomass. The reagent for oxidatively degrading lignin provided by the application is prepared from a preparation raw material including a hydrogen peroxide solution, an alkyl acetate and a hydrolysis catalyst; the concentration of the hydrogen peroxide solution is 8-15 wt%; the volume ratio of the hydrogen peroxide solution to the alkyl acetate is 4-6:6-4; and the volume of the hydrolysis catalyst accounts for 1.0-1.5% of the total volume of the hydrogen peroxide solution and the alkyl acetate. The hydrogen peroxide solution with a concentration of 8-15 wt% is used to establish a hydrogen peroxide-alkyl acetate system, peracetic acid can be generated in situ, the reaction system is free of pressure and safety hazards during oxidation, and wood lignin can be removed with high selectivity under the condition of ≥60 DEG C.

The utility model discloses a kind of compression fixing devices for cardiac pacemaker postoperative, including back pad, the two sides of the back pad are equipped with left annular belt and right annular belt, the upper end of the back pad is connected with the one end of upper shoulder strap, the other end of the upper shoulder strap is connected with net bag, the net bag is connected with the one end of lower shoulder strap, the lower shoulder strap, left annular belt and right annular belt are connected with three item inserts respectively.The utility model newly adds a back pad in patient back position, the contact area with sickbed is increased by enlarged back pad, and the pressure of annular belt and shoulder strap to back, waist, shoulder can also be dispersed, prevent long time braking from producing blood stasis and scar, through net bag design, it can be guaranteed that fixed compression bag carries out compression to wound, and also can observe whether there is cyanosis and exuding blood etc. in surgical incision, through three item inserts, annular belt and shoulder strap are connected, avoid the problem of discomfort and inconvenient operation that multiple connection positions bring to patient.

The invention discloses an augmented reality head-mounted display system, which comprises an image source, a coupling-in lens group, an optical fiber, a coupling-out lens group and a grating, wherein the image source emits parallel light, and the parallel light is coupled into the lens group, focused and transmitted in the optical fiber; the optical fiber propagates in the optical fiber in a total reflection manner, is emitted from the output end of the optical fiber, forms parallel light through the coupling-out lens group, enters the grating and is emitted through the grating, so that augmented reality display of an image source image is realized, the optical fiber is arranged around the head, the output end of the optical fiber is arranged above or on two sides of an eye, and the grating is arranged in front of the eye. And the lens group is used for horizontally emitting the parallel light emitted by the coupled-out lens group into human eyes, so that augmented reality display of an image is realized. The augmented reality head-mounted display system only comprises the image source, the coupling-in lens group, the optical fiber, the coupling-out lens group and the grating, the structure is compact, light and thin, and the setting position of the image source can be moved downwards based on the extended optical fiber, so that the power of the image source and the size of a power supply are improved, and the display brightness and time of the system are improved; meanwhile, the display effect is improved by adopting multiple groups of gratings, and the use feeling is further improved.

The invention discloses a novel radioactive ray protection device, and relates to the technical field of radioactive ray protection, the novel radioactive ray protection device comprises an outer package, the inner part of the outer package is provided with a hollow part; a plurality of lead microspheres, the exterior of each lead microsphere is coated with a wear-resistant layer, and the hollow part is filled with each lead microsphere; the vacuumizing equipment is arranged on the outer package and is used for reducing gaps among the lead microspheres and fixing the shape of the outer package, the device is used for protection, the lead microspheres in the device can be adjusted in real time through a computer programmed control system, and gaps without the lead microspheres are only reserved at a scanning ray part; when a tumor patient is subjected to high-energy radioactive ray radiotherapy, the device is used for protection, the lead microspheres in the device are adjusted in real time, and only the lead microspheres at a radiotherapy radiation field part are in a vacant state; omnibearing radioactive ray protection is implemented to the maximum extent.

The utility model belongs to the field of earphones, and provides an ear hook and an open earphone, the open earphone comprises an earphone body and the ear hook, the ear hook comprises a bending section, the bending section comprises a metal hose, a wire and a plastic hose, and the metal hose can deform under the action of external force to form and maintain a preset shape; the wire penetrates through the metal hose; and the plastic hose is sleeved on the metal hose. After the metal hose deforms under the action of external force and forms the preset shape, the metal hose can be kept in the preset shape all the time, so that after the external force is removed, the metal hose does not tend to recover to the initial shape, and therefore the ear of a user cannot be pressed; and then the plastic hose is arranged on the metal hose in a sleeving mode, the assembling difficulty is low, the yield is high, cost reduction is facilitated, the plastic hose is arranged on the metal hose in the sleeving mode, the effects of protection, decoration, touch feeling improvement and the like are achieved, and the wearing comfort of a user can be improved.