51results about How to "Free from external damage" patented technology

The invention discloses a personal wearable air purification balance system. The personal wearable air purification balance system comprises a wearable body and an air purification balance system body arranged on the wearable body. The air purification balance system body comprises an air filtering device, an air quality monitor, a gas release device, a pressure detecting system, a human body numerical value detecting device and a chip processor. The air filtering device, the air quality monitor, the gas release device, the pressure detecting system and the human body numerical value detecting device are all connected with the chip processor. Due to the mode, the personal wearable air purification balance system is small in structure and small in size, a user can conveniently wear the personal wearable air purification balance system at any time, and the personal wearable air purification balance system can have a good protective effect on a riding wearer.

The invention discloses a connector testing device and a connector testing device. The connector testing socket is characterized by comprising a shell body, probes and a holder, wherein probe fixing holes and a first through hole are formed in the shell body, the first through hole is communicated with the probe fixing holes, the probes are arranged in the probe fixing holes and each comprises a probe head part, probe head fixing holes is formed in the holder, the holder is movably arranged in the shell body, and the probe head parts are arranged in the probe head fixing holes of the holder and can move in the probe head fixing holes. According to the connector testing socket and the connector testing device provided by the invention, the probes are connected with connecting terminals of a connector in a pluggable manner, whether the two ends of the connecting terminals and the probes are conductive is tested by means of a current testing device after the connecting terminals and the probes are connected, and whether the installation of the connecting terminals are qualified or not can be determined.

An embodiment of the invention provides a two-sided core plate structure. The two-sided core plate structure comprises at least two layers semi-cured substrates on the two surfaces of the two-sided core plate structure, semi-embedded circuits which are semi-embedded in the semi-cured substrates, and a solder resisting layer, wherein the first surfaces of the semi-embedded circuits are positioned above the surfaces of the semi-cured substrates on the same side of the circuits; the second surfaces, opposite to the first surfaces, of the semi-embedded circuits are positioned below the surfaces of the semi-cured substrates on the same side of the circuits; one parts of the side surfaces of the semi-embedded circuits are positioned above the surfaces of the semi-cured substrates on the same side of the circuits; the other parts of the side surfaces of the semi-embedded circuits are coated with the semi-cured substrates; the solder resisting layer at least partially covers the surfaces of the semi-embedded circuits, and exposes a bonding pad window.

The invention discloses an automatic clearance compensation type efficient sealing device. The device comprises a bearing seat, wherein bearing end covers are fixed at the two ends of the bearing seat, a bearing is mounted in the bearing seat, the middle of a rotary shaft is fixed on the inner wall of the bearing, the two ends of the rotary shaft are inserted into the bearing end covers, an oil drip pan is fixed on the end face of the side, close to the bearing, of each bearing end cover, the rotary shaft is inserted into the oil drip pans, a cavity is formed in the middle of each bearing end cover, round through holes are formed in the two ends of each bearing end cover, an inner groove is formed in the inner lateral wall of each round through hole, a sealing ring and a plurality of springs are inserted into each inner groove, one end of each spring acts on the bottom surface of the corresponding inner groove, and the other end of each spring acts on the outer lateral wall of the corresponding sealing ring. According to the automatic clearance compensation type efficient sealing device, sealing is achieved through the sealing rings composed of a plurality of arc blocks, stretching and retracting of the sealing rings are adjusted through the springs so that the sealing rings can be always attached to the rotary shaft during operation, seamless sealing is achieved, and the sealing effect is improved.

The invention discloses a copper metal organic framework nanoparticle functionalized hydrogel, a preparation method and application thereof. The preparation method comprises the following steps: dissolving carboxymethyl chitosan, and adding reduced glutathione and N-hydroxysuccinimide which are mixed and dissolved in deionized water; adding 1-(3-dimethylaminopropyl)-3-ethyl carbodiimide hydrochloride to prepare glutathione modified carboxymethyl chitosan; preparing copper metal organic framework nanoparticles; then mixing the copper metal organic framework nanoparticles with deionized water; and adding the glutathione modified carboxymethyl chitosan, acrylamide, polyethylene glycol diacrylate, polyethylene glycol diglycidyl ether and an initiator to prepare the copper metal organic framework functionalized hydrogel. According to the invention, the obtained hydrogel has the capabilities of slowly and controllably releasing copper ions, removing active oxygen of a wound surface, always keeping the wound surface free of hydrops and a wet 3D microenvironment, protecting the wound from external injury and promoting wound healing.

The invention provides an inner-wall waveguide mode capillary fiber based online evanescent field biosensor. The fiber has a microchannel structure, wherein a micro-pipe structure enclosing the channel is an annular waveguide layer; the inner wall surface of the annular waveguide layer is a sensitive layer, while the outer layer is a barrier layer; the outer layer of the barrier layer is a coating layer, and a protective layer is arranged outside the coating layer; two segments of groove structures are arranged at the lateral side of the fiber, and an incident fiber and an emergent fiber are coupled at the position of the groove structures respectively; one end of the capillary fiber is used as a sample inlet, while the other end is used as a sample outlet; the sample outlet is connected with a vacuum pump; a light source is arranged at the sample inlet; a grating filter or a long pass filter is connected in series with the emergent fiber, which is connected with a spectrograph; and the spectrograph is connected with a computer. The biosensor can be used in various fields, such as environment detection, food production line detection, medication and the like.

The invention discloses a charging pile based on a wireless communication technology and adopting off-grid photovoltaic power generation. The charging pile comprises a charging pile body, wherein a cavity is dug in a ground below the charging pile body and the periphery of the cavity is built by cement tiles; the capacity of the cavity is larger than the volume of the charging pile body; the bottom surface of the cavity is connected with the bottom of the charging pile body through a hydraulic pump; the hydraulic pump is connected with a motor through a flexible shaft coupler; a protective cover plate is further fixedly arranged at the top of the charging pile body; the charging pile body is internally provided with a controller, and a circuit breaker, a GPS (Global Positioning System) positioning signal receiving/transmitting module, a billing module, a payment device, a display device, a man-machine interaction module and a charging device which are connected with the controller; and the payment device comprises a Union Pay card payment module, an IC (Integrated Circuit) card payment module and a cash payment module, and the circuit breaker is connected with an anomaly detection circuit and a scram button.

The invention relates to the field of diamond self-supporting windows. A method for preparing a diamond vacuum window with a self-supporting frame by virtue of a mask method is characterized by comprising the following steps: step 1, removing surface impurities through ultrasonic cleaning; step 2, placing a molybdenum sheet cleaned in the step 1 at the centre of a nano-diamond film to obtain a sample; and then placing the sample on a substrate table in a reaction cavity of a microwave plasma chemical vapour deposition device; step 3, charging hydrogen after a vacuum degree is lowered to a standard vacuum degree; step 4, turning on a microwave power supply, increasing a microwave power, closing a diaphragm valve after glow discharge is started in a reaction chamber, charging a carbon source gas, adjusting a power and a gas pressure, and stabilizing a plasma state; and step 5, corroding after the completion of deposition, so as to obtain the diamond vacuum window with the self-supporting frame. The method is capable of remarkably improving the capacity of adapting to environmental changes of the diamond self-supporting film, thus facilitating later-period welding of the diamond vacuum window with a metal flange.

The invention provides a helical compression spring based break test buffer device for a steel wire rope tensile testing machine. The device mainly structurally comprises a front top beam, sensors, a force application seat, a guiding and locating plate, screws, guide screws, a left press plate, a spring, a force application bulb, a right press plate, a protective cover and a hydraulic cylinder, wherein the sensors are fixed on the front top beam through inner hexagon screws, the force application bulb and the force application seat are connected with a piston rod of the hydraulic cylinder and the sensors through thread structures respectively, the left press plate and the right press plate are nested on the force application bulb and the piston rod of the hydraulic cylinder respectively, the force application bulb and the force application seat are connected together through six uniformly distributed guide screws, the left press plate and the right press plate, the spring is nested on the piston rod of the hydraulic cylinder and located between the left press plate and the right press plate, the guiding and locating plate is welded on the front top beam, and the protective cover is embedded in the guiding and locating plate and clamped through the screws. When a steel wire rope suddenly breaks off during a tensile test, the spring can reduce the tensile applied by the front top beam under instant impact to the guide screws, and the guide screws are prevented from being snapped off.

The invention discloses a soothing repair composition. The soothing repair composition is prepared from prebiotics, a plant soothing agent SGS, a citrus fruit extract and a crocus sativus flower extract, and the prebiotics are composed of a bifida ferment lysate and a lactococcus ferment lysate. The invention further discloses a specific formula and a preparation method of essence and lotion containing the soothing repair composition. The product prepared with the formula has stable viscosity at 4 DEG C and 45 DEG C; layering is avoided after more than one month; and the effects of inhibitinginflammation, effectively relieving skin and relieving skin inflammation symptoms such as hot redness and swelling are achieved.

The invention discloses a touch screen display module, comprising a frame I, a cover plate arranged at the upper end of the frame I, a touch screen arranged in the middle of the frame I, a frame II arranged at the lower end of the frame I, an LCD panel arranged on the frame II and a cover glass piece arranged at the upper end of the frame II. The invention also discloses a disassembly method for the touch screen display module, comprising the following steps: step 1: cleaning a workbench; step 2: preparing a disassembly tool; step 3: cleaning the touch display screen module; step 4: disassembling the frame I and the frame II; and step 5: disassembling the LCD panel. According to the invention, the frame I and the frame II are fixed by clamping an elastic clamp and a fixed neck, and the frame I and the cover plate are fixed together in an expansion manner by screwing an expansion screw and an expansion screw hole. Due to such fixed connection, the entire touch display screen module is easy to disassemble, so that maintenance of the touch display module is more convenient.

The invention provides a rupture test buffering device of a steel wire rope tension testing machine. The rupture test buffering device mainly comprises a hydraulic cylinder, a force applying spherical head, a pull disc, a force applying seat, a sensor, a front top beam, springs, guide screws, an inner hexagonal screw, a protective cover, a guide positioning plate and a screw, wherein the sensor is fixed on the front top beam through the inner hexagonal screw; the force applying spherical head and the force applying seat are connected with a piston rod of the hydraulic cylinder and the sensor through thread structures respectively; the pull disc sleeves the force applying spherical head; the six guide screws, which are uniformly distributed, are used for connecting the force applying spherical head and the force applying seat through the pull disc; the six springs sleeve the six guide screws respectively and are located between the pull disc and the heads of the guide screws; the guide positioning plate is welded on the front top beam; and the protective cover is embedded into the guide positioning plate and is tightly clamped by the screw. When a steel wire rope is suddenly ruptured in a tension test, the tension to the guide screws is reduced through compression and energy storage properties of the springs when the front top beam is subjected to instant impact, so that the guide screws are prevented from being broken and the normal operation of the device is guaranteed.

The invention provides a tongue-tube relay-type water level probe. The tongue-tube relay-type water level probe comprises a probe cap, a heavy hammer, a vent hole, a tongue-tube relay switch and a protective cover, wherein the probe cap is used for sealing the port of the heavy hammer; the heavy hammer is used for providing gravity; the vent hole is used for the emission of the compressed air in the protective cover; the tongue-tube relay switch is used for turning on/off an external alarm and is sealed in a gas tight manner; the protective cover is used for preventing the tongue tube relay switch from being damaged by external forces; the heavy hammer is positioned at the middle upper part in the protective cover; a first cavity is arranged at the lower part of the protective cover; the tongue-tube relay switch is mounted in the first cavity; a closed second cavity is arranged in the center of the heavy hammer; an external conducting wire and the connector of the tongue-tube relay switch are mounted in the second cavity; the port of the heavy hammer is sealed with the probe cap; the external conducting wire penetrates through the probe cap and the second cavity in sequence from the top down and is connected to the connector; and the vent hole is formed in the protective cover in a position at the top of the first cavity. The tongue-tube relay-type water level probe has the characteristics of compact structure, high sensitivity, low false alarm rate, long service life and the like, and can be extensively applied in the field of water level measurement.

The invention relates to an electronic label package comprising an electronic label wafer, a package pin and a substrate for placing the electronic label wafer and the package pin. The package pin is electrically connected with the electronic label wafer; besides, the electronic label wafer, the package pin, leads and the substrate are packaged in a package filling body together. The invention also provides a manufacturing method of the electronic label package, comprising the following steps of: manufacturing a wafer, and manufacturing a plurality of electronic label wafers in matrix arrangement on the wafer; cutting the wafer to obtain the separate electronic label wafer; picking up the electronic label wafer and directly placing the electronic label wafer on the substrate; manufacturing the package pin and placing the package pin on the substrate; electrically connecting the package pin with the electronic label wafer; and encapsulating the electronic label wafer, the substrate and the package pin with the package filling body.

The invention relates to a novel alfalfa sower which comprises a rack. Wheels are arranged under the rack, a seed box is arranged on the rack, a flip box is rotatably arranged above the seed box, a rotary shaft is rotatably arranged in the seed box through an installing base and is rotatably provided with blades, the blades are provided with strip-shaped through hole, a seed distributor is arranged at an opening of the lower end of the seed box, a seed cylinder is arranged under the seed distributor, the lower end of the seed cylinder is connected with a furrower, one side of the bottom of therack is provided with a soil turning roller, an arc-shaped baffle is arranged between the soil turning roller and the furrower, the side, away from the soil turning roller, of the bottom of the rackis provided with an earthing plate through an opening circular ring, the earthing plate is provided with a cylinder matched with the open circular ring, a supporting rod is arranged on the side, awayfrom the soil turning roller, of the rack, and the end , away from the rack, of the supporting rod is provided with a connector through an installing plate. The novel alfalfa sower has the advantagesof being high in sowing efficiency and uniform in sowing.

The invention belongs to the technical field of intelligent charging of new energy vehicles, and particularly relates to an intelligent pure electric system which comprises a charging position, a vehicle-mounted terminal and a remote server, wherein the charging position is provided with a charging module, a control module, a vehicle information recognition module and a parking space lock. The vehicle-mounted terminal comprises an electric quantity identification module, a positioning module, a path planning module, a navigation module, a reservation charging module and a wireless communication module; the remote server is in communication connection with the control module and the vehicle-mounted terminal, and the remote server is used for recording the position information of the charging position and acquiring the use state information of the charging position in real time. The charging demand can be automatically identified according to the vehicle electric quantity information, the nearby idle charging positions can be automatically matched and reserved, the parking space lock is started after the charging positions are reserved, the charging positions are prevented from being occupied by other vehicles, it is ensured that users can find the charging positions at the fastest speed, resource distribution of existing charging positions can be optimized, and the idle charging position is fully utilized.

The invention relates to the technical field of municipal traffic, and discloses a traffic signal light with good protection performance. The traffic signal light comprises a light pole. According to the traffic signal light with good protection performance, through the arrangement of nozzles and cleaning brushes, when signal lights need to be cleaned, a water pump is started to pump water in a water tank; the water is conveyed into a left connecting hose from a right connecting hose; the water with relatively large water pressure is conveyed into a water channel through the left connecting hose; the water is sprayed out through the three nozzles; meanwhile, electric sliding rails are started to drive sliding blocks to move to the right; the sliding blocks can drive a mounting plate to move to the right; and at the moment, the cleaning brushes and the nozzles capable of spraying the water can be used for brushing and washing display parts of the signal lights. Most dust on the surfaces of the signal lights can be cleaned up after reciprocating movement. In the cleaning process, due to the fact that the time that the mounting plate stays directly in front of the signal lights is quite short, the observation of drivers is not affected visually, and the performance of the signal lights is not affected. The effect of cleaning up dust is achieved.

The invention discloses a motor fixing box using an insulation type aramid fiber board convenient for heat dissipation. The motor fixing box comprises a motor main body and a first fixed board, wherein the middle position of the left end of the motor main body is connected with an output shaft; a motor shell is mounted outside the motor main body; the outer surface of the motor shell is connectedwith a damping airbag; and the first fixed board is fixed to the outside of the damping airbag. The power supply of the output shaft can be used for rotation by setting a fan propeller, when the motormain body operates, the fan propeller can operate synchronously, cool air is generated to help the motor main body to dissipate heat quickly, the service life of the motor main body is prolonged, thearranged first fixed board and second fixed board are made of aramid fiber paperboards, compared with traditional plastic and metal materials, the aramid fiber paperboards are of high insulating property, heat resistance and shaping capacity, and sound insulation can be carried out through sound insulation sponge, and the waterproof capacity of the whole fixing box is strengthened by using a waterproof layer.

The invention discloses an anti-leakage desktop computer case. The anti-leakage desktop computer case comprises a case body and is characterized in that an anti-leakage mechanism is arranged at a front side of the case body and comprises an interface cover plate, an electronic lock module, a processor module, a positioning module, an alarm module and a fingerprint identification module, wherein the interface cover plate is arranged on an external interface at a front side of the case body, the electronic lock module is connected with the interface cover plate, the processor module is electrically connected with the electronic lock module, and the positioning module, the alarm module and the fingerprint identification module are electrically connected with the processor module. By the anti-leakage desktop computer case, data leakage can be effectively prevented, the external interface also can be convenient to use during demand, and the anti-leakage desktop computer case is simple in structure and is convenient and practical.

The invention provides a grinding method for treatment of household garbage, and relates to the technical field of environmental protection of garbage disposal. A grinding machine comprises a feedinghopper, the upper end of the feeding hopper is provided with a rainproof cover, a high temperature box is arranged at the lower end of an accessible duct, a metal layer is arranged inside the high temperature box, the interior of a conveying pipe is provided with a treatment liquid cavity, a pipe mouth is arranged on one side of the conveying pipe, the upper end of the treatment liquid cavity is provided with an airbag pipe, the upper end of the airbag pipe is provided with a first classification room, an air cylinder is connected to a reducer, the upper end of the reducer is provided with a motor seat, the upper end of the motor seat is provided with a motor, the lower end of the reducer is provided with a rotating impeller, the interior of the rotating impeller is provided with a precision instrument, the upper end of the air cylinder is provided with an operating panel, one side of the first classification room is provided with a second classification room, and one side of the second classification room is provided with a third classification room. According to the grinding machine, the problems are solved that at present, most of the grinding machines in the market are not precise in sorting out all kinds of household garbage, the household garbage cannot be used as biogas, artificial self processing causes harmful substances to be inhaled by a human body, and for a long time, it is not good for the body.