75results about How to "Ingenious principle" patented technology

The invention relates to an automatic sun tracking method and device, the method adopted is similar to the working principle of a sundial and comprises the following steps of: vertically arranging a pointer in the centre of a disk, using the shadow projected by sun to measure the position of sun, namely, detecting the position and direction of the shadow on the disk, and enabling the disk to rotate towards a direction opposite to the shadow to make the shadow finally disappear on the disk when the pointer points to the sun and the disk faces the sun. By the simple method, the sun can be automatically tracked. Moreover, an automatic sun tracking device is provided based on the method, wherein an upper, a lower, a left and a right solar panels are arranged at the front face of the disk; since the projected shadow may cause a voltage difference between two panels in bilateral symmetry or in longitudinal symmetry, once the state is detected by a detector, the orientation of a tracker is adjusted to make the shadow on the disk disappear, and at the same time, the symmetrical panels have no voltage difference, a motor stops rotation, and the disk faces sun; and thus, sun tracking is realized. The sun tracking device is simple in principle, skillful in structure, completely unmanned, high in tracking precision, and can be widely used in the development and the utilization of solar energy.

The invention discloses a method and device for flexibly spreading metal powder for selective laser melting additive manufacturing. When a plurality of powder spreading teeth with lower ends being leveled to one another move on a powder spreading plane, the metal powder is flatly laid by the powder spreading teeth, and when the powder spreading process encounters a hard projection, the powder spreading teeth can be automatically, reasonably and stably adjusted by virtue of gravity and magnetic force. The device for flexibly spreading the metal powder and realizing the method comprises a fixed box as well as a magnetic absorption plate, a powder spreading tooth unit and a return pressure block, which are arranged in the fixed box, the magnetic absorption plate is fixed in the fixed box, powder spreading teeth units are adsorbed on the magnetic absorption plate by virtue of the magnetic force, and the return pressure block is carried by the powder spreading teeth units. The method is ingenious in principle and convenient and easy to implement; the device has the advantages of simple structure, long service life, less powder spreading trace, precision for avoiding barriers and the like.

The invention discloses an automatic dosing machine with the mobile receiving function. The automatic dosing machine comprises a storing container, a receiving container, a sliding component, a control component and a rack. The storing container is installed on the rack, and a discharging outlet of the storing container is located above the receiving container. The receiving container is placed on the sliding component. The sliding component is installed on the rack. The control component is installed on the rack and respectively connected with a storing container control mechanism and a sliding component control mechanism. The storing container control mechanism receives a control instruction of the control component, and dosing materials stored in the storing container are sent out; the sliding component control mechanism receives a control instruction of the control component, and drives the receiving container arranged on the sliding component to move to the position below the storing container. The receiving container receives dosing materials discharged by the storing container. The automatic dosing machine has the automatic dosing material discharging and mobile receiving functions, and is simple in structure, low in cost and convenient to clean.

The invention discloses an electronic lock capable of detecting the rotating direction of a lock cylinder and a working method for the electronic lock. The electronic lock mainly comprises a lock body and the lock cylinder, wherein a rotating shaft of the lock cylinder is fixedly provided with at least one convex key; at least one position sensor is arranged at a position, corresponding to the convex key, of the lock body; a rocker arm is arranged close to the position sensor on the lock body, and points to the direction of the rotating shaft of the lock cylinder, and the rocker arm is pushed by the convex key when the rotating shaft of the lock cylinder is rotated so as to swing to two sides and trigger the position sensor. According to the electronic lock disclosed by the invention, the rotating direction of the lock cylinder is detected by matching the convex key, the position sensor and the rocker arm, the unlocking or locking state of the lock cylinder is judged based on the structure, and the electronic lock has the advantages of simple structure, low cost, flexible implementation method, high reliability and the like.

The invention discloses a liquid additive putting device. The liquid additive putting device comprises an additive storage box, a water supply cavity and an additive cavity, wherein the additive storage box is used for storing a liquid additive; the water supply cavity is provided with a water inlet and a water inlet pipe communicated with a mixing cylinder, the water supply cavity is internally provided with a blade wheel, the blade wheel is driven by entered water of the water inlet, and the water inlet is provided with an on-off valve; the additive cavity is provided with a liquid suction pipe and a branch pipe communicated with the water inlet pipe, the liquid suction pipe extends to the lower portion of the liquid level of the liquid additive in the additive storage box, the additivecavity is internally provided with a gear pump, the gear pump is driven by a rotating shaft of the blade wheel, and the branch pipe is provided with a flow controller. The invention further disclosesa liquid additive putting method. The entered water drives the blade wheel to drive the gear pump to rotate to provide power for extracting the additive, an additional negative pressure source is notneeded, and the putting amount is accurately controlled.

The invention discloses a device for monitoring soil plug lifting height of a prestressed pipe pile in hydrostatic process. The device comprises a measure instrument, a fixed disc, a multiturn potentiometer, a synchronous wheel, a synchronous belt, a first counterweight and a second counterweight. The fixed disc is provided with fixing legs, the multiturn potentiometer is fixed on the fixed disc, the synchronous wheel is inlayed on the multiturn potentiometer, the synchronous belt is twined on the synchronous wheel, the first counterweight and the second counterweight are respectively arranged at the two ends of the synchronous belt, the weight of the first counterweight is greater than the weight of the second counterweight, and the measure instrument is connected with the multiturn potentiometer. By the device, the change of the soil plug lifting height of the prestressed pipe pile in the hydrostatic process can be accurately monitored in real time. The device is simple in structure and clever in design, low in production cost, and high in data reliability.

The invention provides a method for disposing high-concentration ammonium sulfate waste water, which orderly includes steps of (1), adjusting water quality and water amount in an adjusting pond; (2),fully mixing and reacting with absolute ethyl alcohol in a reaction pond; (3), adjusting water amount in a middle pond; (4), separating solid from fluid by a centrifugal machine; (5), recycling the solid which is separated from the centrifugal machine and is high-purity ammonium sulfate; (6), separating pure ethanol by an ethanol and water separating device and recycling it to the reaction pond, wherein the fluid separated by the centrifugal machine is mixed fluid of ethanol water, and residual ammonium sulfate. By using the property that the ammonium sulfate is easy to dissolve in water but ethanol under the room temperature and constant pressure, the ammonium sulfate waste water is reacted with absolute ethyl alcohol, thus ammonium sulfate in the ammonium sulfate waste is separated out;the recycle rate is over 92%; the absolute ethyl alcohol can be recycled, and the using cost is reduced; compared with the prior art, the method is more energy-saving and realizes the resource utilization.

The invention discloses an automobile wireless charging position detecting device and a detecting method thereof. The position detecting device is provided with four induction regions, and each induction region is provided with an induction coil; the two induction coils in the two induction regions arranged at any opposite angles are opposite in winding direction, the two induction coils are connected in series to form a coil set and then electrically connected with a voltage detecting device for detecting positive and negative poles of voltage, and the voltage detecting device is connected with a master control system. The detecting method on the basis of the device comprises the steps that after an automobile stops stably, the voltage detecting device detects voltage generated by each pair of coil set, and the master control system judges the deviation direction between a transmitting end and a receiving end according to the voltage generated by each pair of coil set. According to the automobile wireless charging position detecting device and the detecting method thereof, on the basis of the electromagnetic induction phenomenon, the four induction coils are adopted, the relativedeviation direction between the transmitting end and the receiving end is judged by detecting the voltage generated by the series circuit of the angular induction coils, and the device has the advantages of being simple in structure, low in cost and high in detection precision.

The invention discloses a milling device for flour processing. The milling device comprises a coarse milling box, wherein a sieve basket is arranged above the coarse milling box, a fine milling box isarranged below the right side of the coarse milling box, a sieve bucket is mounted in the sieve basket, a motor is mounted above the right side of the sieve basket, a collecting pipe is arranged at the bottom of the side wall of the sieve basket, a plurality of guide plates, a plurality of coarse crushing rollers and a plurality of vibrating screens are arranged inside the coarse milling box, a fine flour recovery pipe is arranged at the lower end of the coarse milling box, a filter sieve, a plurality of guide plates, a plurality of fine crushing rollers and a plurality of vibrating sieves are arranged inside the fine milling box, a large collecting bucket and a plurality of small collecting buckets are arranged outside the box wall of the fine milling box, a bran collecting pipe is connected to the lower ends of the large collecting bucket and the small collecting buckets, and the lower end of the fine milling box communicates with the fine flour recovery pipe. The milling device forflour processing is simple in structure and ingenious in principle, and effectively improves the flour quality and the production efficiency.

The invention discloses a remotely-controlled waterproof underground lamp with an external angle adjustment function. The remotely-controlled waterproof underground lamp comprises a remote controller, a lamp body, a surface cover, a light-transmitting plate and a light source assembly, wherein a fixed support is installed on a bottom plate of the lamp body; a motor and a control circuit board are fixedly installed on the fixed support; a swing plate is arranged above the fixed support; the light source assembly is fixed on the swing plate; a first connection sheet and a second connection sheet used for mutual hinging are arranged at the left side and the right side of each of the fixed support and the swing plate respectively; an eccentric wheel is installed at a movable end of the motor; and the eccentric wheel is connected with the front side of the swing plate through a transmission bar. The remotely-controlled waterproof underground lamp disclosed by the invention is simple in composition, ingenious in principle, and convenient to control; the remote controller is capable of realizing one-key control only through arranging a key for controlling start-stop of the motor, and convenient and simple to operate; and damage to the whole waterproof structure of the lamp can be avoided in a wireless manner, and the overall waterproof performance can be ensured.

The invention discloses an automatic adjustment oil conveying pipeline support capable of adapting to sedimentation. The automatic adjustment oil conveying pipeline support capable of adapting to sedimentation comprises a supporting seat (1), a balance plate (2), connecting rods (3), a sliding plate (4), connecting columns (5) and supporting columns (6). The number of the supporting columns (6) is four, and the supporting columns (6) comprise the first supporting column (61), the second supporting column (62), the third supporting column (63) and the fourth supporting column (64). The number of the connecting columns (5) is six, and the connecting columns (5) comprise the first connecting column (51), the second connecting column (52), the third connecting column (53), the fourth connecting column (54), the fifth connecting column (55) and the sixth connecting column (56). The automatic adjustment oil conveying pipeline support capable of adapting to sedimentation is stable in supporting structure, a platform can be automatically adjusted to be horizontal, automatic adjustment is achieved, and the support can adapt to multiple different conditions.

The invention relates to agricultural machine, a cutting slip stripped machine particularly, which comprises a traveling frame, stripped mechanism provided on the traveling frame, a transmission gear and a stripped cover. More particularly, the stripped device has a rotating shaft, which is provided with at least a row of strip-shaped comb teeth extending outward with the space among the teeth of 2.5mm to 6 mm. The invention resolves the large numbers of spike breakages and damages as well as the necessary of secondary threshing of the existing threshing machine, which is applicable for harvesting crops with spikes as paddy and wheat, etc. The invention can be applied both for large field and small field in south China.

The invention discloses a medical tongue depressor. The medical tongue depressor is characterized by comprising a double-layered pressing plate, a handle-shaped housing, film pipe sleeve components, an unwinding axle and a winding axle, wherein the double-layered pressing plate is provided with an upper side plate and a lower side plate which are connected through a U-shaped elbow; the tail end of the double-layered pressing plate extends into the inner chamber of the handle-shaped housing; the film pipe sleeve components comprise a film pipe sleeve arranged on an unwinding wheel and wound into a coil, the free end of the film pipe sleeve sleeves the double-layered pressing plate, and the film pipe sleeve is finally wound on a winding wheel; and the unwinding axle is used for supporting the unwinding wheel; the winding axle is connected with a handwheel and used for supporting and driving a winding wheel. The medical tongue depressor draws the advantages of low use cost, no use of disinfection, cleanliness, sanitariness, no cross infection, material waste reduction and the like into consideration, and also has a simple and easy-to-implement structure; and as an entire coil of brand-new film pipe sleeve can meet the demand for repeated examination and application, and is relatively convenient to exchange, much convenience is brought for doctors during clinical operation.

The invention discloses a liquid detergent feeding device which comprises a detergent storage box, a sponge body, an extrusion part and a detergent inlet pipeline, wherein the detergent storage box isused for storing liquid detergent; the sponge body is fixedly connected with a rotating shaft and can rotate around the axis of the rotating shaft, the lower end of the sponge body is in contact withthe liquid detergent to adsorb the liquid detergent; the extrusion part is used for extruding partial surface of the sponge body to separate out the liquid detergent; the detergent inlet pipeline isobliquely arranged downwards, the upper port of the detergent inlet pipeline is in butt joint with partial surface of the sponge body, and the lower port of the detergent inlet pipeline is communicated with a water inlet pipe. The invention also discloses a liquid detergent feeding method, and according to the method, the sponge body adsorbing the detergent in the detergent storage box is controlled to rotate by specific number of turns, the sponge body is extruded by the extrusion part to separate out the detergent, the separated-out detergent flows into the detergent inlet pipeline located at the extruded part of the sponge body and is gathered into the water inlet pipe under the action of gravity, so as to accurately control the feeding amount by controlling the sponge body rotation number of turns or speed.

The invention discloses a motor waterproof breather valve assembly mechanism which comprises a valve body arranged outside a motor shell. A holding chamber is arranged in the valve body; an air inletand outlet channel is arranged on the valve body; the holding chamber and the outside communicate through the air inlet and outlet channel; two oppositely arranged breather valves are arranged in theholding chamber; each breather valve comprises a valve seat, a spring seat, a pressure spring and a valve element; a single-opening inner chamber is arranged in each valve seat; a first breather holeextending to the outer end surface is formed in the end surface wall of each single-opening inner chamber of each valve seat; a single-opening inner chamber is arranged in each spring seat; a second breather hole extending to the outer end surface is formed in the end surface wall of each single-opening inner chamber of each spring seat; the valve elements are arranged in the inner chambers of thespring seats; the pressure springs are arranged between the end surface walls of the spring seats and the valve elements; openings of the spring seats face the first breather holes so as to be press-fitted into the inner chambers of the valve seats in an interference way; and the valve elements suffers the action of the pressure springs so as to form seals on the first breather holes. The assembly mechanism is simple in structure, ingenious in principle, and capable of being simply installed outside the motor shell so as to realize the function on automatically adjusting the air pressure of an inner cavity.

A mechanical equipment servo device controller system is characterized in that the mechanical equipment servo device controller system comprises a comparator, an integrator, an integral coefficient multiplier, an integral saturation limiter, a first subtractor, a second subtractor, a PDF coefficient multiplier, a differential coefficient multiplier, a PDF servo device, a differentiator, a differential follower and a feedback follower, wherein the comparator, the integrator and integral coefficient multiplier are sequentially connected with the first subtractor and the second subtractor, the first subtractor is connected with the PDF follower through the PDF coefficient multiplier, the second subtractor is connected with the differential follower through the differential coefficient multiplier and the differentiator, and the comparator is connected with the feedback follower. The mechanical equipment servo device controller system realizes the feedback of the azimuth signal of mechanical equipment, and has the advantages of clever principle, quick feedback, accurate information, and the like.