2132results about How to "Does not affect appearance" patented technology

The invention discloses a concrete surface hardener and a construction method thereof, wherein, the concrete surface hardener comprises the compositions by weight percent of 10-40 percent of inorganic silicate, 1-10 percent of alkali, 0.1-5 percent of catalyst, 0.1-2 percent of wetting dispersant, 1-5 percent of stabilizer and rest of water. The hardener prepared by the invention is characterized by easily-obtained material, simple production and convenient construction, unhealthy and environmentally harmful VOC avoidance, etc. In addition, the hardener can penetrate into the interior of the concrete to seal the capillary of the concrete, thus improving the surface density of the concrete, strengthening the impervious capability and strength of the concrete and prolonging the service life of the concrete. As the hardener does not comprise unhealthy and environmentally harmful substances, the increasingly improved requirements of the present environmental protection can be met, thus having extensive application prospect.

The invention provides a three-dimensional measurement device for a driving range and an evaluation system for the driving range. A three-dimensional measurement device based on a rotary laser radar and a camera is included; three-dimensional laser scanning is realized by the motor rotary single-line or four-line laser radar and image characteristics of the monocular camera are matched with a position posture change of an evaluation platform; and a three-dimensional point cloud of a surrounding is generated by motion compensation. A three-dimensional evaluation method for the driving region comprises the following steps: fusing data of the camera and the laser radar; and establishing traversing analysis of the possibility and evaluating the driving region. Compared with the international similar three-dimensional measurement device, the device has the characteristics of low cost, lower domestic difficulties and the like, and is easy to maintain and hide; and the evaluation on the driving region of a complicated cross-country environment can be effectively realized.

The invention provides a fruit and vegetable fresh-keeping agent, a preparation method and application thereof. The fresh-keeping agent uses burdock fructo-oligosaccharides as main composition and combines aqueous solution prepared by chitosan, ascorbic acid, salicylic acid, calcium chloride and acetic acid to treat fruit and vegetable, so that a fruit and vegetable system can obtain the improved resistance, and a hyaloplasmic fresh-keeping membrane is formed on the surface of the fruit and the vegetable so as to effectively inhibit the growth of microbe, prevent moisture dissipation and contact between the fruit and the vegetable and air, and inhibit breath and transpiration, thereby greatly deferring aging of the fruit and the vegetable, and inhibiting putridity, mildew and rot. The fruit and vegetable fresh-keeping agent is applicable to storage and fresh-keeping for various fruits and vegetables with long fresh-keeping period and small consumption of nutrient materials.

The invention relates to the field of electronic technology, discloses an anti-fall device arranged on a mobile terminal and a mobile terminal anti-fall method based on the device. The anti-fall device comprises a sensor, a control chip and a damping module which is arranged on a mobile terminal shell and is electrically connected with the control chip, and the damping module comprises a pop-up mechanism and a damping part adsorbed on the pop-up mechanism through a magnetic force. Wherein, the senor collects a real-time speed correlation signal and sends the real-time speed correlation signal to the control chip, and the control chip generates a control signal according to the speed signal and sends the control signal to the damping module for controlling the pop-up mechanism to pop up the damping part. By adopting the anti-fall device and the mobile terminal anti-fall method, damage caused by fall can be not only prevented, and no influence is generated on the appearance or the hand holding feeling of the mobile terminal basically.

A shell comprises a substrate and a reinforcing layer formed on the inner surface of the substrate. The substrate comprises at least one body part, a plurality of metal sheets and a plurality of nonconductive isolation layers. The metal sheets and the isolation layers are arranged alternately, and the metal sheets are fixedly connected by the isolation layers. The at least one body part is fixedly connected through the isolation layers with a component formed by alternately arranging the metal sheets and the isolation layers. The invention further provides an electronic device employing the shell and a manufacturing method of the shell. According to the shell, the electronic device employing the shell and the manufacturing method of the shell, the metal sheets and the isolation layers are arranged alternately, and the binding force of the metal sheets, the isolation layers and the substrate is enhanced by the reinforcing layer. Therefore, signal shielding is avoided, the dimensional accuracy is ensured, and the appearance of the shell is not affected.

The invention discloses polyaniline graphene nano composite anticorrosion paint and a preparation method thereof. The polyaniline graphene nano composite anticorrosion paint is prepared by uniformly stirring a component A and a component B in a weight ratio of 1: 0.25 to 1: 0.5; the component A comprises 40 to 60 parts by weight of epoxy resin, 1 to 5 parts by weight of flatting agent, 1 to 5 parts by weight of defoaming agent, 10 to 20 parts by weight of filler, 1 to 5 parts by weight of wetting dispersing agent and 20 to 40 parts by weight of first solvent; the component B comprises 30 to 50 parts of curing agent, 10 to 30 parts of eigenstate polyaniline graphene composite material and 30 to 50 parts of second solvent. The eigenstate polyaniline and metal form a passivation film, the dispersion of a single layer or fewer layers of graphene is guaranteed on the aspect of the molecular level, the formation of a graphene conducting network is prevented, and the electrochemical corrosion is inhibited; meanwhile, a physical shielding and chemical anticorrosion effect is provided, so that the paint is excellent in anticorrosion performance, resistant to high temperature and high in hardness; and moreover, the preparation method is simple, controllable, low in production cost and suitable for industrialized production.

A communication system includes: at least one light-emitting device for emitting a light; and at least one light-receiving device for receiving the light emitted from the at least one light-emitting device. The light-emitting device further includes: at least one driver unit for generating a modified current based on an externally entered information signal; and at least one light-emitting unit operatively and functionally coupled to the at least one driver unit for receiving the modified current and emitting a modified signal light including any information based on the modified current. The at least one light-emitting unit includes at least one electroluminescence element.

The invention discloses a low-shrinkage sprayable PP / PS blend alloy and a preparation method thereof. The low-shrinkage sprayable PP / PS blend alloy is prepared from the following components in percentage by weight: 30 to 45 percent of polypropylene resin, 25 to 30 percent of styrene resin, 6 to 12 percent of graft compatilizer, 4 to 8 percent of toughening agent, 15 to 20 percent of functional filler, 0.2 to 0.5 percent of antioxidant, and 0.2 to 1 percent of lubricant. The forming shrinkage of the low-shrinkage sprayable PP / PS blend alloy is as low as 0.7 to 0.9 percent and is closed to the level of ABS, and the low-shrinkage sprayable PP / PS blend alloy can directly replace the ABS under the condition of no die repair and does not influence the appearance of an injection molding product.

The invention discloses a die release agent. The die release agent comprises the following components in parts by weight: 5-15 parts of die release powder, 1-10 parts of an oil compound, 0.1-1 part of an emulsification agent, 70-90 parts of a solvent, 0.1-1 part of a defoaming agent and 0.1-5 parts of graphene. The invention provides a preparation method of the die release agent. The preparation method of the die release agent comprises the following steps: emulsifying the die release powder, the oil compound, the emulsification agent, the defoaming agent, the solvent and the graphene to obtain the die release agent. According to the die release agent, the graphene can be used for enabling the die release agent to form a relatively thin, hard and dense coating on the surface of a cavity, so that the direct contact between sand and a die can be effectively isolated; the die release agent is relatively good in extensibility, film formation property and adhesive force. In addition, a casting part prepared by the die release agent is relatively high in precision.

The invention discloses a toilet seat overturning driving control method. A fixing seat mounted on the surface of a toilet serves as a carrier, a swing component is mounted on the fixing seat through a rotating shaft, a transmission portion and a driving portion, which are used for driving the swing component to overturn upwards, are arranged, the driving portion forces the swing component to overturn upwards along the free rotating shaft through the transmission portion, and the swing component pushes a seat to overturn upwards while overturning upwards. The toilet seat overturns by 90 degrees by being driven by a pedal, the purposes that the toilet seat overturns when a user comes and pedals, and falls automatically when the user leaves are achieved, and accordingly the toilet seat is quite convenient to use; the user does not need to touch the toilet seat by hands, so that sanitation is achieved; wide popularization and low cost are achieved without modifications on existing toilets or toilet seats; normal use of the toilet cannot be affected, and good concealing performance is achieved; the toilet is most simplified and optimized in structure, easy to implement, simple to assemble and attractive and appropriate in appearance.

The invention discloses an embedded-type power supply apparatus. The embedded-type power supply apparatus comprises a cover groove formed in the upper surface of a floor and a return groove which is formed in the wall of the right side of the floor and parallel to and connected with the cover groove; a cover plate is arranged in the return groove glidingly left and right; two power supply socket holes used for allowing plugs of power utilization equipment to be inserted are formed in the bottom end plane of the cover groove symmetrically left and right; a first power supply sliding groove is formed in the floor; a driving groove connected with the first power supply sliding groove is formed in the wall of the right side of the floor; and the top of the driving groove is connected with theleft side of the return groove, and a second power supply sliding groove is formed between the driving groove and the first power supply sliding groove. The power supply apparatus is arranged in the floor and the wall, so that the existing space can be greatly reduced; and in addition, the power supply apparatus provided by the invention is simple in overall structure, convenient to use and operate, and safe and stable in power supply, and capable of greatly reducing electric shock accidents in the existing life and effectively ensuring life safety of people, and is suitable for popularizationand use.

The invention discloses a filter screen cleaning device and an air conditioner indoor unit. The device comprises a filter screen, a movable filter screen mechanism and a dust collection mechanism, wherein the movable filter screen mechanism is used for supporting the filter screen and driving the filter screen to move along the horizontal direction; and the dust collection mechanism is fixedly connected with the movable filter screen mechanism, is used for cleaning the filter screen and is of a gear transmission type structure with a movable dust collection head. According to the device, by controlling mutual movement of the movable filter screen mechanism and the dust collection mechanism and reducing the size of a dust collection contact adsorption plane by adopting a small dust collection head and a suction port, the dust on the surface of the filter screen is collected by concentrating adsorption force of a dust collection cavity; and the entire device has the advantages of simple structure, easiness in control, low cost, high dust adsorption reliability and no influence on the appearance of the conventional air conditioner, can be meanwhile used as an accessory to be additionally arranged on the conventional air conditioner without a cleaning and dust removing device and brings more choice to users.

The invention provides a silk protein reinforcing method for fragile silk, comprising the steps as follows: A) the fragile silk with the weight ratio of 1:30-200 is put in a silk protein solution with the weight percentage of 0.1-5% and dipped for 1min to 2h at the temperature of 20-35 DEG C and then taken out and naturally dried; B) the fragile silk is put in ethylene glycol diglycidyl ether solution with the weight percentage of 0.001-10%, dipped for 1min to 2h at the temperature of 20-35 DEG C and then taken out; C) after the treatment, the fragile silk is solidified for 24h to 2h at the temperature of 20-60 DEG C; and D) after natural drying, the silk reinforced by the silk protein molecular is obtained. The method has the advantages of simple method, convenient operation, not affecting the appearance of the silk relic, partly recovering the true luster of the relic, having outstanding advantages on high-temperature ageing resistance, and the like.

The automatic shut-off structure for large refrigerator door to be set in the upper and / or lower part of the door includes one connector and one hinge axis connected to the connector. The connector has one rectangular first support wall with one central through hole and one second support wall; and the hinge axis has one end passing through the central through hole and the other end socketed with one upper hinge and one spring before fixed through one spring end plug. The present invention has one cam with inclined surface and one spring set to one end of the cam, and when two slanted bosses move relatively, the cam will extrude the spring and the door with great weight is pulled back by the deformed spring to close.

The invention discloses a method and device marking an invisible two-dimensional code on the surface of a metal material through a laser. The device comprises a marking system, a laser device, a control system, a beam expander, a galvanometer system, an f-theta lens, an industrial camera system and a code reading system. The laser pulse width of the laser device is 1-100 ns. The nominal focal length of a camera lens of the f-theta lens is no larger than 160 nm. According to the laser marking device based on innovation, by controlling the pulse width of the laser and the dot diameter and the dot distances of a two-dimensional code dot matrix, the invisible two-dimensional code which cannot be seen by human eyes is marked on the metal material, photographing and reading of the invisible two-dimensional code are achieved through the industrial camera system and the code reading system, and therefore the invisible anti-fake function is achieved. The marking method cannot damage the surface of the material, the invisible two-dimensional code has no hand feeling and does not affect the appearance, permanent marking can be achieved, the processing process is free of pollution, no chemical needs to be used, and cost is low.

The present invention provides a polarizer comprising a polarizing film, a first transparent protective film and a second transparent protective film, the polarizing film being between the first transparent protective film and the second transparent protective film, wherein the first transparent protective film has a water-vapor permeability of 50 g / m2·24 hours or less at 40° C. under a relative humidity of 90 % and a water content of the polarizer is 2.0% by weight or less.

The invention discloses a buckling structure capable of being opened or closed by a single hand and an operation method thereof. The buckling structure comprises an inserted pin, a floating mortise and tenon and a locking piece, wherein a first clamping part and a second clamping part are arranged on the left side surface of the inserted pin from top to bottom in sequence; a first spring is arranged on the bottom surface of the inserted pin; a third clamping part is arranged on the right side surface of the floating mortise and tenon; a fourth clamping part is arranged at the right side end of the locking piece; a third spring is arranged on the left side surface of the locking piece; the third clamping part and the first clamping part can drive each other to move; during the whole descending or ascending process of the inserted pin, a relative displacement is produced between the third clamping part and the first clamping part, and is greater than the crossed distance between the third clamping part and the fourth clamping part; a clamping and locking part is arranged on the floating mortise and tenon; and a clamping and locking groove matched with the clamping and locking part is formed in the locking piece. The buckling structure can be opened or closed by the single hand, displaces only in the stroke direction, and can meet the requirement of assembling in the Z-axis direction.

The invention discloses a composite material and a preparation method thereof. The preparation method is used for integrating stainless steel and plastic to form the composite material. The preparation method comprises the following steps of treating the surface of the stainless steel by chemical hole etching liquid to form a plurality of holes and injecting the plastic into the stainless steel to form the composite material. The composite material disclosed by the invention is obtained by injecting the plastic on the basis of the stainless steel with the holes formed by chemical hole etching liquid treatment. Due to an optimal formula of the chemical hole etching liquid, the holes which are good for injecting the plastic and fixedly molding are formed; the binding force of the plastic and the stainless steel is effectively increased.

The invention discloses an ultraviolet-absorbing coating and a preparation method thereof. The ultraviolet-absorbing coating is characterized by being prepared by uniformly mixing 40-60 parts by mass of cyclohexyl methacrylate, 10-20 parts by mass of hydroxyethyl acrylate, 20-50 parts by mass of ultraviolet-absorbing monomer, 100-200 parts by mass of solvents, and 0.1-2.0 parts by mass of an initiator as raw materials at below 15 DEG C and carrying out copolymerization reaction at a temperature of 75-80 DEG C under the protection of nitrogen. By copolymerizing the monomer having an ultraviolet-absorbing function and other acrylate monomers, the coating having excellent ultraviolet-absorbing property is prepared; since the coating has excellent ultraviolet-absorbing property, the transmittance of 365nm ultraviolet light can be less than 1.5% while the transmittance of the conventional ultraviolet absorber is usually above 5%. The ultraviolet-absorbing coating is suitable for being applied in the fields having anti-aging and anti-yellowing requirements, such as solar cells, liquid crystal displays, outdoor advertising, buildings and automotives.

The invention discloses an intelligent home integrated control system and an intelligent home control method. The system comprises a central processing unit, an environment monitoring device, a household appliance control device, a wireless warning device and a remote control terminal. The environment monitoring device, the wireless warning device, an entrance guard device and a camera aggregate obtained state signals to a memorizer through the central processing unit to be accessed by the remote control terminal. The remote control terminal is communicated with the central processing unit to control household appliances in the long distance through the household appliance control device and control the entrance guard device in the long distance. The intelligent home integrated control system and the intelligent home control method are easy to implement, abundant in function due to the fact that the household appliance control, environment monitoring, security alarming and remote control operation are integrated, and easy to operate and popularize.

A portable human exoskeleton system (1) includes a pelvis module (10), a leg module (20) and a foot module (30). The pelvis module (10) includes a bendable member (11) and a pelvis module connector (12). The foot module (30) includes a foot module connector (33). The leg module (20) includes: a femur module (21) detachably coupled to the pelvis module connector (12); a tibia module (22) detachably coupled to the foot module connector (33); and a knee joint component (23) having at least two linkages with different lengths wherein each linkage is pivotally coupled to the femur module (21) and the tibia module (22). Weight above the hip of the user is exerted on the pelvis module (10), and transferred to the leg module (20) and the foot module (30). The exoskeleton system is easily disassembled and carried, and can be worn inside attire without affecting appearance of the user.

The invention discloses a water-based adhesive used for the bonding between rubber and metal; according to the parts by weight, the adhesive comprises 60-90 parts of soft monomer, 30-60 parts of hard monomer, 2-8 parts of functional monomer, 3-10 parts of emulsifier, 0.4-0.8 part of initiator, 0.6-1.0 part of pH buffer, 100 parts of deionized water or distilled water, 0.05-0.1 part of anticorrosive bactericide, and 1.4-1.6 parts of pH regulator. The invention also discloses a preparation method for preparing the water-based adhesive. The adhesive can replace the existing solvent-typed adhesive, effectively realizes the bonding between the rubber and the metal, has no poison, no combustion and no explosion, is safe and protects the environment. The preparation method which applies the seed latex polymerization has simple preparation process and high production efficiency and is beneficial for the industrial production.

The invention provides a drum-type washing machine. A Lid cover (9) includes first engaging tabs (9a) formed on its rear face and protruding rearward along the outer circumference. Lid unit (8) includes first tab holes (8b) with which the tabs (9a) are engaged by using first stopper (8a) provided on an inner face of lid unit (8), thereby fixing lid cover (9) to lid unit (8). Lid cover (9) includessurface in-parts on its surface and in a range corresponding to at least first tab holes (8b). The light coming from the inside of the lid cover disperses and transmits through the surface in-parts.This structure allows extending a transparent area as far as the outer rim, where the lid cover is engaged with the lid unit, of the lid cover, and yet, the engaging section is not seen from the outside, so that a quality look and a fine appearance of the lid can be improved.

The invention relates to an antibacterial, mildewproof, self-cleaning, air cleaning and environment-friendly spray coating liquid, which comprises the following raw materials in percentage by weight: 0.5 to 20 percent of modified adsorbent, 0.1 to 10 percent of nano photocatalyst, 0.1 to 10 percent of binding and film forming agent, 0.01 to 5 percent of dispersant, and the balance of deionized water. The preparation method comprises that: photocatalyst powder is subjected to acid soluble treatment by inorganic strong acid and prepared into sol; adsorbent is immerged in a soluble salt mixture solution of antibacterial and mildewproof ions, subjected to ion exchange treatment and prepared into the modified adsorbent which is mixed with the binding and film forming agent and the dispersant; two types of solutions are mixed and a spray coating liquid precursor is obtained; and the antibacterial, mildewproof, self-cleaning, air cleaning and environment-friendly spray coating liquid is obtained after distributed processing and filtration. The antibacterial, mildewproof, self-cleaning, air cleaning and environment-friendly spray coating liquid can be applied to antibacterial, mildewproof and self-cleaning treatment of buildings or articles. The antibacterial, mildewproof, self-cleaning, air cleaning and environment-friendly spray coating liquid realizes synergetic and reinforced combination of three functions through the composition of multi-functional compositions, and the preparation method is simple and environment-friendly, has good industrial benefit and can realize industrialized production.

The invention discloses a charging opening cover structure of an electric car. The charging opening cover structure is arranged on a front bumper grille and comprises a charging opening cover plate, a locking mechanism and an ejecting mechanism, wherein the charging opening cover plate is used for shielding a charging opening, the locking mechanism is arranged on the inner side of the front bumper grille, and the ejecting mechanism is used for ejecting the charging opening cover plate. One end of the charging opening cover plate is hinged to the front bumper grille, and a lock fastener used for being matched with the locking mechanism for locking is arranged at the other end of the charging opening cover plate. The locking mechanism comprises a lock pin, a pull cable and a resetting device, the resetting device can drive the lock pin to cooperate with the lock fastener for locking, one end of the pull cable is connected to the lock pin, and the other end of the pull cable is located inside a cabin. Users can unlock the charging opening cover plate by pulling the pull cable in the cabin, the ejecting mechanism opens the charging opening cover plate, and therefore personnel outside the cabin are prevented from freely opening the charging opening. The charging opening cover structure has the advantages of being reasonable in structural arrangement, does not influence the appearance of the grille and guarantees that use is convenient and safe. The invention further discloses the electric car comprising the charging opening cover structure.

The invention discloses a rear-hanging type pedestal pan cushion turning and driving device and a fixing seat. The rear-hanging type pedestal pan cushion turning and driving device comprises a turning portion, a transmission portion and a pedal portion; the turning portion comprises the fixing seat and a swinging part, the fixing seat is arranged on an outer frame located on the root of a cushion rotation seat in a sleeving or wrapping mode, the fixing seat is hinged to the swinging part, and the position of a movable support arranged on the fixed seat corresponds to that of a fixed support arranged on the swinging part; a first-end stop block of a brake cable of the transmission portion is fixed in the movable support in a clamping mode, the first end of a brake tube is jammed in the fixed support, and the tail end of the brake cable and the tail end of the brake tube are fixed on a front support and a rear support of the pedal portion in a clamping mode respectively. According to the rear-hanging type pedestal pan cushion turning and driving device and the fixing seat, a pedestal pan cushion is driven by a pedal to rotate ninety degrees, the purposes that the pedal is turned over when a person comes and automatically drops when the person leaves, use is very convenient, the hand does not need to touch the pedestal pan cushion, and cleanliness and sanitation are achieved; any modification does not need to be performed on an existing pedestal pan or cushion, and therefore the advantages of being wider in popularization and low in cost can be achieved; normal usage of the pedestal pan is not influenced, the invisibility is good, and the appearance is attractive and appropriate.

The invention discloses a device for rapidly replacing batteries of an electric automobile. The right and left sides of a chassis of the automobile are provided with two battery placement bins (3), the inside of each of the battery placement bins (3) is provided with a drawer-type battery storage box (1), and the lower side of the battery storage box (1) is provided with a telescopic rod which has a guiding and supporting function for the battery storage box (1). By adopting the structure, the invention can realize rapid replacement of the battery of the vehicle without influencing the habitual use of the internal space of the vehicle or the appearance of the vehicle, and has simple structure and convenient replacement.