32results about How to "Smooth overflow" patented technology

The invention discloses an antenna structure for a wireless network coverage manhole cover and an installation method of the antenna structure, and belongs to the technical field of electric power communication equipment safety. The antenna structure comprises antennas, an antenna installation pipe and an antenna base, wherein the antennas comprise a plurality of bracket structures in divergent distribution; the bracket structures of the antennas are clamped into clamping grooves of the antenna installation pipe; the clamping grooves of the antenna installation pipe and raised ribs in the antenna base are inserted together; and the antennas are fixedly arranged on the back surface of the manhole cover through the antenna base. During installation, the antennas are arranged in corresponding clamping grooves of the antenna installation pipe; the clamping grooves of the antenna installation pipe are fixed to the corresponding raised ribs in the antenna base; a waterproof joint is fixedly connected to an antenna protection box; the antenna protection box is fixedly arranged on the antenna base; and the formed assemblies are fixedly arranged on the back surface of the manhole cover. The antennas are stably and reliably fixed on the manhole cover; and a basis is provided for achieving complete coverage of wireless network communication.

The invention relates to a method for smoothly treating the surface of a copper-catalyzed etching velvet-making silicon wafer, belonging to the technical field of surface velvet-making of crystallinesilicon in the solar cell industry. The invention cleans the silicon wafer of the diamond wire cutting and removes the oxide layer. At room temperature ~ 95 degree centigrade, that silicon wafer afterthe oxide lay removal treatment is placed in HF-Metal copper salt-H2O2 etch solution is etched for 1-600 min, then immerse in nitric acid solution for 1-100 min, then immersed in HF solution for 1-100 min, and then cleaned with deionized water to obtain inverted pyramid textured silicon wafer; A smooth invert pyramid structure woven silicon wafer is obtained by smoothing the inverted pyramid structure woven silicon wafer; The method of smoothing treatment is to adopt smoothing treatment system method and / or ultrasonic treatment method. The method of the invention can realize the inverted pyramid smooth pile-making structure obtained by the low-cost MCCE method.

The invention provides a monocrystalline silicon texturing agent, comprising an alkaline compound and a corrodent; wherein the corrodent includes the following components: 5wt%-20wt% of urea, 1wt%-10wt% of sodium lactate, and the balance water. The texture monocrystalline silicon is prepared by placing monocrystalline silicon into the texturing agent provided by the present invention and heating. The urea in the monocrystalline silicon texturing agent can hydrolyze to produce ammonia and carbon dioxide, being conducive to the smooth overflow of gases generated during texturing process, and preventing the effects of gas on texture quality. The corrodent of the present invention can effectively control the etching rate of the alkali compound for the silicon surface, and also has a strong decontamination capacity, therefore the texturing agent provided by the present invention can effectively reduce the probability of appearing bright pieces, hickies and rain drops, so that the pyramid type suede is small and uniform, and the qualified rate of suede monocrystalline silicon has been markedly improved.

This application discloses a fixed jig for glue wiping equipment and the glue wiping equipment. The fixed jig of the glue wiping equipment includes: a first sub-jig, the first sub-jig is suitable for carrying parts to be wiped; and a second sub-jig The jig, the second sub-jig is detachably connected to the first sub-jig, the second sub-jig includes a body, a pressure plate and a first elastic member, the body and the first sub-jig are arranged opposite and spaced apart in the first direction , the pressure plate is located between the body and the first sub-tool, the pressure plate is connected to the body and is movable relative to the body, and the first elastic member often drives the pressure plate to move toward the direction close to the first sub-tool to compress the piece to be wiped. According to the fixing fixture of the glue wiping equipment of the present application, the parts to be wiped can be prevented from loosening, and the pressing plate can apply a certain pressure to the pieces to be wiped, so that the excess glue on the pieces to be wiped can be smoothly overflowed, thereby facilitating A better glue wiping effect can be obtained in the subsequent glue wiping process, and the device has a simple structure and is easy to use.

The present invention relates to the making process of screw-mouthed purple sand cup / lid and is suitable for mass production. The making process includes forming no-screw purple sand cup / lid with forming molds; forming thread with forming mold possessing inner and outer thread; and baking the matched purple sand cup / lid couple. During formation of thread, the outer thread is formed via demolding mother mold sheets and the inner thread is formed via fixing the balancing and guiding mold and withdrawing mold core. The said making process can make purple sand cup with well matched and watertight lid and suitable for use as tea set, wine set, storage container, etc.

The invention provides a concrete block for a reinforced soil retaining wall and a connection method thereof. The concrete block comprises: a block body having an inner side facing the wall and an outer side facing away from the wall; a top of the block body There is a water collection tank set through the surface, and the inside of the block body is provided with a drainage hole connected with the water collection tank, and the drainage hole extends outward to the outer surface of the block body; along the height direction of the wall, two adjacent blocks The block body is adapted to butt up and down to form an accommodation space suitable for insertion of the longitudinal ribs of the drainage geogrid, and the accommodation space communicates with the water collection tank. The longitudinal rib of the drainage geogrid in the present invention is placed in the accommodation space, and the gravity of the concrete block will not be applied to the longitudinal rib of the drainage geogrid, so the outlet of the drainage geogrid longitudinal rib will not be deformed or blocked Phenomenon: the water body in the longitudinal rib of the drainage geogrid can smoothly overflow into the sump, and then be discharged through the drainage hole.

The invention discloses a skin-like anti-seepage water early-warning exterior wall, which belongs to the field of exterior wall waterproofing. After water seepage, under the setting of multi-point water diversion rods and water diversion fluff, due to the water absorption of the two, the water spreads faster on the two than between the concrete of the outer wall, so that the early warning scattered points It can touch the water before the middle part of the wall seeps into the water, so as to generate gas in time and enter the self-bulging laminate, so that the self-bulging laminate will bulge like the skin after being bitten by a mosquito, so as to remind the residents in time The water seepage of the wall is convenient for timely maintenance and repair. Compared with the existing technology, an early warning response can occur in advance, and the safety hazard and economic loss caused by the water seepage of the outer wall can be effectively reduced.

The invention provides an electric-operated and manual-operated dual-purpose pipe blow-off valve for solar water heaters, which belongs to a valve. The invention is particularly adapted for intake and drainage pipes, which has functions of intake, drainage and emptying pipes. The invention comprises a valve body and a valve plug disposed in the inner chamber of the valve body, which is characterized in that the valve body is in an elongated pole shape, one end of the tall narrow pole is an air outlet end which extends at the top of the water tank of the solar water heater and is above water all the time, the other end of the tall narrow pole is a pipe end which is fixed on the water tank of the solar water heater and is communicated with an in-out water pipe, a magnetic coil is arranged out of the valve body, an in-out air hole is opened at one side of the air outlet end of the valve body, and an in-out water hole is opened at the position which is corresponding with a ring groove on the valve body. The valve plug is equipped with a central through-hole, an air cover is disposed at the position which is corresponding with the central through-hole on the valve body, and the valve plug portion which is corresponding with the magnetic coil is an iron work. The dual-purpose pipe blow-off valve being electric-operated and manual-operated of solar water heater not only can be manual-operated, but also be electric-operated, is simple and convenient in operation, and has not air gap when draining water.

The invention discloses a grinding wheel vibration monitoring and alarming device for a grinding machine and a use method thereof, which belong to the field of machine tool alarming equipment. The vibration of the grinding wheel can be detected in advance by adding a vibration sensor and a color development shell on the basis of the existing grinding wheel spindle, and the vibration of the grinding wheel can be effectively improved. The stable operation of the grinding wheel, through the installation of frictional heat generating parts inside the vibrating sensor to make it rub against the vibrating grinding wheel spindle to generate heat, transfer heat to the thermal expansion ball to make it expand and block the circulation flow channel, and then let the pigment overflow to the In the overflow channel, the liquid-guiding effect of the liquid-guiding tape and the liquid-guiding parts is used to make the pigment appear on the absorbent paper in the color-developing shell, so that the workers can see it in time, so that the vibration of the grinding wheel can be detected early so that adjustment measures can be taken in time , and the workers can know the situation at a position far away from the grinding machine, which can effectively reduce the danger faced by people when they are close to the inspection, and it is also to prevent the workers from inhaling the fine sand and metal shavings splashed out.

The invention discloses a device and method capable of adapting to different fine-grained minerals to interfere with the regulation and control of the sedimentation and sorting flow field. The blades, the upper adjustment side wall board, the lower adjustment side wall board, the upper adjustment mechanism and the lower adjustment mechanism; both sides of the bottom of the rectangular cavity are provided with bottom top water ports, and the bottom top water ports are respectively connected with water inlet pipes. Compared with the prior art, the present invention can be used to adjust the distance between the upper adjustment side wall plate and the side wall of the tapered cavity, the lower adjustment side wall plate and the side wall of the tapered cavity through the upper adjustment mechanism and the lower adjustment mechanism, respectively. The included angle strengthens the side wall flow field and provides side wall sorting effect for the particle group. At the same time, it can adjust the problem that the particle group moves to the middle of the conical cavity and begins to appear chaotic trajectory, so that the fine particles can smoothly pass through the conical cavity. Top edge overflow provides protection.