36results about How to "Avoid meeting" patented technology

The invention particularly relates to a combined mechanical seal device which comprises a moving ring, a static ring assembly, a static ring housing, a floating ring assembly and an O-shaped rubber ring. The static ring assembly is arranged in the static ring housing and comprises an end face block assembly, a rotation-preventing pin, a spring and a damping belt. The end face block assembly comprises a static ring, a static ring seat, a film box assembly and a rear ring which are arranged in sequence. The damping belt is located in an annular groove of the inner surface of the static ring housing. The floating ring assembly comprises a floating ring, a cover plate and a floating ring housing, wherein the floating ring penetrates through a rotor to be arranged in the floating ring housing, and a cover plate penetrates through a rotor to be fixedly arranged on two sides of the floating ring housing respectively. A cooling backflow channel comprises a bearing axial gap, a gap between the moving ring and a pressing ring, a static ring seat balance hole gap, a radial gap between a static ring seat and the static ring housing, a backflow channel I, an accumulated liquid cavity and a backflow channel II which are communicated in sequence. The combined mechanical seal device achieves long-service-life, low-friction and zero-leakage work of a mechanical seal under the working conditions of high temperature and high pressure.

There is disclosed a drainage apparatus capable of allowing the fluid flowing via diverse paths to flow via one path, the drainage apparatus comprising a first inlet pipe fluid flows in, a second inlet pipe fluid flows in, an outlet pipe in communication with the first inlet pipe and the second inlet pipe, a first outlet hole in contact with the first inlet pipe and the outlet pipe and a second outlet hole in contact with the second inlet pipe and the outlet pipe, wherein the first outlet hole and the second outlet hole are provided not to face each other directly.

The invention discloses a self-driving automobile anti-collision system comprising a restricted lane and a self-driving automobile. The self-driving automobile is provided with a vehicle-mounted controller. The restricted lane comprises two side walls. The self-driving automobile can be unidirectionally driven along the side walls of the restricted lane. The restricted lane comprises cycle lanes and a convergence lane. The convergence lane is used for the self-driving automobile to converge into the same cycle lane from two cycle lanes along the side walls of the restricted lane. The self-driving automobile is provided with vehicle induction devices which prevent collision with other self-driving automobiles in convergence. The vehicle induction devices are connected with the vehicle-mounted controller in a communication way. The vehicle-mounted controller controls the speed of the self-driving automobile when the vehicle induction devices induce other self-driving automobiles so as toprevent collision with other self-driving automobiles. The self-driving automobile anti-collision system is safer, more convenient and more economical in comparison with the conventional traffic system so that people's life is facilitated.

The invention provides a side-top range hood, comprising a box body, a fan system, a top air intake device and a side air intake device, wherein the box body is arranged at the top of the top air intake device, the fan system is arranged in the box body, the side air intake device is arranged at the lower rear side of the top air intake device, the top air intake device is provided with a top air inlet and a top air outlet, and the side air intake device is provided with a side air inlet and a side air outlet; the side-top range hood is characterized in that the thickness of the top air intake device is L1, wherein L1 is more than and equal to 330mm and is less than and equal to 450mm; and the mounting height H2 of the side air intake device is the vertical distance between the lowest end of the side air inlet and the top plane of a cooking bench, and H2 is more than and equal to 200mm and is less than and equal to 380mm. The invention greatly improves oily fume net rate to 100%, thus fundamentally solving the problem that the oily fume is not absorbed completely, avoiding touching a head and blocking eyes, preferably matching with cabinets, and enabling the appearance to be beautiful and elegant.

The invention provides a robot path interference detection method and system. The robot path interference detection method comprises the following steps: sending a detection instruction to a server when a first robot detects a second robot; respectively acquiring a first residual path of the first robot and a second residual path of a second robot by the server according to the detection instruction; comparing the first residual path with the second residual path to acquire a comparison result; and judging whether path interference exists between the first robot and the second robot accordingto the comparison result. Therefore, the operation of judging whether the first robot and the second robot judged and sensed by the first robot can meet is realized without complexly analyzing whetherthe tracks are parallel or not; the judgment method is more efficient and simple, so that the robot can take measures in advance to avoid the meeting.

The invention discloses a deformable kitchen ventilator. The deformable kitchen ventilator comprises a fume collecting hood, a fume exhausting part, a connecting part and a control part. A cooking fume area, a steam area and a thermal baffle are arranged inside the fume collecting hood. A steam inlet grating is arranged at the cooking fume area. A condensation plate is arranged inside the cookingfume area. A fume guide plate is arranged on the side wall of the cooking fume area. The fume exhausting part comprises a fume exhausting shell. The fume exhausting shell is provided with a fume exhausting port and a steam outlet. A fume exhausting turbine is arranged inside the fume exhausting shell. The steam inlet grating communicates with the steam outlet. The connecting part comprises liftingracks with telescopic structures. The deformable kitchen ventilator further comprises a rotating part with a telescopic structure. The control part comprises a shift knob and a spin button which arearranged on the fume collecting hood. According to the deformable kitchen ventilator provided by the invention, the steam area and the cooking fume area align a stewing stove and a frying stove correspondingly, and the fume exhausting effect is improved; the fume collecting hood can be lifted up and down and rotated through the lifting racks and the rotating part, and the head bumping probabilityof operators is avoided; and meanwhile, the angle of the fume collecting hood of the kitchen ventilator can be changed and the practical effect is greatly improved.

The invention discloses a reducible uterine tube birth control sleeve and belongs to the technical field of female birth control devices. The reducible uterine tube birth control sleeve has a key technical point that the reducible uterine tube birth control sleeve comprises an elastic sleeve body, wherein the sleeve body sequentially consists of a sleeve mouth, a neck part, a body part and a tail part; the sleeve mouth is in a tubaeform and part of the edge of the sleeve mouth is thickened; the neck part is in a bottle neck shape and the size of the neck part corresponds to the diameter of the ampulla of a human uterine tube; the tail part is also in a tubaeform and an open shape; and the sleeve body is also provided with a liquid penetration hole with a hole diameter smaller than the diameter of a ovum. The reducible uterine tube birth control sleeve is simple in structure, convenient in installation and use, few in side effects, ideal in birth control effect and good in reducibility and is used for reducible birth control of the female.

The invention discloses a method for constructing a mango biennial area forecasting model based on meteorological conditions. The construction method of the invention comprises the following steps: S1, firstly, preparing annual data of biennial mangoes; S2, further preparing meteorological data; S3, further determining a region forecasting conceptual model; and S4, finally determining a regional forecasting analysis model. The regional forecasting analysis model has the important significance that no soil nutrient annual parameters appear in the model, and it is indicated that the biennial and biennial of mangoes are mainly meteorological condition causes; and the mango biennial regulation and control technology mainly aims at meteorological conditions, that is, measures should be actively taken to prevent the flowering phase from meeting unfavorable meteorological conditions in the current season under the unfavorable meteorological year type, for example, under the condition of warm winter, flowers are picked manually or a plant growth regulator is adopted to control early blossoming, water is increased through irrigation or a rain-proof shed is built to control rainfall, and sunlight intensity is increased or reduced, and meanwhile, the occurrence of a minor year or a slightly minor year can be avoided by adjusting field microclimate.

A wall-hanging absorption type range hood which can be hung on the wall comprises an absorbing plate, an absorbing cover, a fan, a mounting plate and an oil slot, wherein the absorbing plate which has a shape of 90-degree arc is convenient for the fan to absorb oily fume and can prevent the user from impacting head when frying vegetables; the absorbing cover is mounted on the absorbing plate and the smoke can be absorbed by the fan through the absorbing cover; the fan is arranged on the mounting plate; and the mounting plate is arranged on wall or window. The number of the mounted fan is confirmed according to the power of the range hood and the actual absorbing capability. Ordinarily, when the number of fan is even, the absorbing effect is better.

The invention provides a vehicle management interaction method and system, and an electronic device, relating to the technical field of intelligent vehicles. The method comprises steps of: acquiring location information of a vehicle and historical driving track information of the vehicle; according to the plurality of pieces of location information and a plurality of pieces of historical driving track information, obtaining first vehicle driving planning information; performing audio playing according to the first vehicle driving planning information; identifying the user voice to obtain feedback information of the user on the first vehicle driving planning information; obtaining second vehicle driving planning information according to the feedback information and the position information;performing audio playing based on the second vehicle driving planning information. Therefore, the fact is avoided that the traffic management is usually a one-way traffic command, etc., but not everyvehicle follows the command content, so that the traffic management is impossible to meet the actual situation, it is easy to form a technical problem of encountering and intersecting between vehicles, and the traffic congestion cannot be relieved.

The invention discloses a range hood. The range hood comprises an exhaust fume collecting hood, a baffle and a driving mechanism, wherein the baffle is provided with a main body part, a rotating partand a lifting part, the rotating part is connected to the front end of the main body part, the lifting part is close to the rear end of the main body part, the rotating part is connected with the exhaust fume collecting hood, the lifting part is connected with the driving mechanism, the driving mechanism can drive the lifting part to lift, the rotating part can move front and back, and the main body part can rotate around the rotating part; when the baffle is closed, an air inlet of the exhaust fume collecting hood is covered with the baffle; and when the baffle is opened, the air inlet of theexhaust fume collecting hood is opened; when the baffle is located at the working position, the air inlet of the exhaust fume collecting hood can be divided into a front air inlet and a rear air inlet, and air flows between the front air inlet and the rear air inlet can at least partially flow mutually. According to the range hood, the fume suction effect is improved on the basis that the requirement of a user for attractiveness is met.

The invention discloses a household garbage operation management system. The household garbage operation management system comprises an electric power storage box, a ceiling and a weighing plate, a base is installed below the electric power storage box; garbage cans are arranged on the left side and the right side of the electric power storage box; indicator lamps are inlaid in the front faces ofthe garbage cans; a control box is fixed to the front face of the electric power storage box; a touch display screen is embedded in the outer surface of the control box; a loudspeaker box is installedabove the control box; a supporting rod is installed on the upper side of the power storage box; locking bolts are connected to the left side and the right side of the upper part of the supporting rod; a telescopic rod is installed above the supporting rod; a ceiling is installed at the top end of the telescopic rod; a supporting frame is fixed to the inner surface of the ceiling; a weighing plate is installed at the inner bottom of each garbage can; and pressure sensors are arranged at four corners of the joint between each weighing plate and the corresponding garbage can. When the garbage cans are full, garbage in the garbage cans are cleared away in time, the workload of workers can be reduced, and then manpower and material resources are saved.

The invention discloses an air isolation layer construction method, an isolation overhead net and a frozen soil roadbed construction method, and belongs to the technical field of roadbed construction. The method comprises the following steps: S1, a sandy gravel cushion layer is laid; and S2, an isolation overhead net is laid on the sandy gravel cushion layer, a hollow layer which can isolate the upper highway pavement from transferring heat downwards and is communicated with the outside on the shady slope side and the sunny slope side is formed, and ventilation holes which are in cold air convection with the shady slope are formed in the position, close to the shady slope, of the bottom of the hollow layer; the air isolation layer can isolate the highway pavement from the frozen earth surface, the hollow layer isolates heat transferred from the highway pavement on the upper portion to the frozen earth surface, convection wind can be formed on the shady slope and the sunny slope to bring the heat out of the hollow layer, and therefore the influence on the frozen earth surface is avoided, and meanwhile the ventilation holes and cold air on the shady slope can form downward convection cold flow. The temperature of the frozen earth surface is further adjusted to guarantee the original state of the frozen earth surface.

The invention provides a portable illumination umbrella. An umbrella rod is provided with an umbrella cover; a warped railing is arranged at the edge of the umbrella cover; a hole is formed in the warped railing; a clip is arranged at the lower end of the umbrella rod. The portable illumination umbrella provided by the invention adopts the above structure, and a flashlight can be clamped at the lower end of the umbrella rod through adopting the clip, so that people can conveniently walk at night and avoid treading into a puddle. Meanwhile, the warped railing can be used for leading rainwater on the umbrella cover to one part of the hole and flows out intensively, so that falling water drops are prevented from meeting a forward moving lower body and trousers and shoes are prevented from being wetted.