92results about How to "Reduce the chance of freezing" patented technology

The invention provides an engine cylinder cover shield which comprises a shield body and a cover plate. The cover plate is arranged in the shield body, the cover plate and the shield body are separated, an oil gas pre-separation space is formed between the cover plate and the shield body, a first gas inlet communicated with a crankcase is arranged in the oil gas pre-separation space, and stacked oil baffles are arranged in the oil gas pre-separation space. Each oil baffle comprises a first extending portion extending upwards and backwards from the starting end, a second extending portion extending upwards and towards the starting end from the tail end of the first extending portion and a third extending portion extending downwards and backwards from the tail end of the first extending portion. A crankcase ventilation system adopting the engine cylinder cover shield is further provided. The shield and the system have the advantages of being good in oil gas pre-separation effect and avoiding adverse effect of low temperature on gas flowing.

Freeze protection of an on-board emissions treatment substance storage and distribution system in a vehicle includes moving the emissions treatment substance away from a primary fuel/vapor area after filling of the emissions treatment system. In one embodiment an on-board emissions treatment system has a fill tube with a portion extending into a primary fuel fill pipe to facilitate co-fueling of the primary fuel and emissions treatment substance. A pressure differential or vacuum is created in the emissions treatment fill tube after filling to move the emissions treatment substance away from a check valve disposed at the terminal end of the fill tube to prevent freezing of the check valve after filling. The emissions treatment substance may be moved out of the co-located portion of the fill tube to an area where passive or active heating of the fill tube may be applied.

The invention provides a super-hydrophobic self-cleaning surface of a wind power vane and a preparation method, and belongs to the technical field of wind power equipment manufacturing. A resin coating on the surface of the wind power vane is densely covered with columnar micron-sized structures, the outer surface of each columnar micron-sized structure is coated with a large amount of nano particles, and thus micro-nano secondary structures are formed; the preparation method of the super-hydrophobic self-cleaning surface of the wind power vane comprises the steps that the columnar micron-sized structures are prepared through ablation on the resin coating on the vane surface by directly utilizing pulse lasers, the nano particles are generated through induction on the outer surface of eachcolumnar micro-sized structure simultaneously based on the inductive effect of the pulse lasers, and thus the micro-nano secondary structures which combine the micron-sized structures with the nano structures are formed. The preparation method is simple, good in technological compatibility and high in designability, and can be prepared in large areas. The super-hydrophobic self-cleaning wind powervane can effectively lower the pollution caused by weathered of the vane, the possibility of freezing is lowered, the average annual working time of a wind turbine generator and the wind energy utilization efficiency are improved, the service life of the vane is prolonged, and therefore the super-hydrophobic self-cleaning wind power vane has important application prospects.

The invention relates to an outdoor pan-tilt camera anti-icing structure. The outdoor pan-tilt camera anti-icing structure comprises a pan-tilt shell, a protection cover shell and a main shaft. The main shaft is transversely arranged on the pan-tilt shell in a rotating mode. The protection cover shell is fixedly arranged at one end of the portion, outside the pan-tilt shell, of the main shaft. An anti-icing mechanism controlled by a control unit is arranged in the gap between the pan-tilt shell and the protection cover shell. The anti-icing mechanism comprises a rotating wheel, a brushing disc and bristles, wherein the rotating wheel is arranged between the side wall of the pan-tilt shell and the main shaft in a rotating mode, the brushing disc is coaxially and fixedly arranged on the side wall of the rotating wheel, the bristles are fixedly arranged on the outer side end face of the brushing disc, the end portions of the bristles make contact with the side wall of the protection cover shell, and the rotating wheel rotates to drive the bristles to rotate. The control unit is connected with a temperature and humidity detection unit and a weight detection unit. The outdoor pan-tilt camera anti-icing structure is simple in structure and scientific and reasonable in design, the icing problem of the gap between a pan-tilt and the side wall of a protection cover is effectively solved, it is ensured that the pan-tilt camera can normally work all day long, and performance of the product is effectively improved.

The invention discloses a full-automatic railway transportation dust suppression sprinkling system which comprises a data management unit, a control unit, a dust suppression sprinkling device, a wagon number recognition device and a wagon detecting and sensing device, wherein the data management unit is used for completing the reading of wagon number data, sprinkling flow and solution concentration information, generating data to be stored in a database and providing basic data for each report form or application; the control unit is used for controlling the action of the dust suppression sprinkling device according to detected wagon speed and a carriage gap signal; the dust suppression sprinkling device is used for completing sprinkling and feeding back concentration, pressure and sprinkling quantity parameters of the sprinkling solution to the control unit; the wagon number recognition device is used for reading the wagon number information of the sprinkled wagon and sending the wagon number information to the control unit; and the wagon detecting and sensing device is used for measuring the wagon speed and the gaps at wagon joint in real time and feeding back the information to the control unit. The system has uniform sprinkling, and can well control the sprinkling at the wagon joint gaps, accurately control the sprinkling quantity of each carriage and produce sprinkling data by combining the wagon number.

The invention belongs to the technical field of crop anti-freezing, and discloses an anti-freezing agent for crops.The anti-freezing agent is prepared from, by mass, 15-20 parts of polyethylene glycol, 10-15 parts of N,O-carboxymethyl chitosan, 1-2 parts of soybean hydrolyzed amino acid, 1-3 parts of calcium lactate, 1-3 parts of monopotassium phosphate, 0.01-0.03 part of 6-benzylamino adenine, 0.2-0.4 part of brassin, 0.02-0.04 part of diethyl aminoethyl hexanoate, 0.01-0.03 part of abscisic acid and 1000 parts of distilled water.The anti-freezing agent is good in anti-freezing effect and cannot cause excessive growth of plants.

Disclosed are a pumping concrete cleaning divider and an application method thereof. The pumping concrete cleaning divider is arranged on an outdoor pump pipe and comprises a cleaning divider pipe body A, a cleaning divider pipe body B and a knife valve. A circular flange A connected with the outdoor pump pipe is arranged at one end of the cleaning divider pipe body A, the other end of the cleaning divider pipe body A is in flange connection with one end of the cleaning divider pipe body B through a square flange, a flange cushion and bolts, a circular flange B connected with the outdoor pump pipe is arranged at the other end of the cleaning divider pipe body B. A divider outlet A is arranged on the wall of the cleaning divider pipe body A, and a divider outlet B is arranged on the wall of the cleaning divider pipe body B, and both the divider outlet A and the divider outlet B are provided with outlet covers. By the pumping concrete cleaning divider, the probability that concrete solidifies in the pump pipe is reduced, the risk of blockage of the pump pipe is decreased, and meanwhile, the safety of construction personnel is improved greatly.

The invention discloses an outdoor antifreezing and damp-proof type fire hydrant used for a low-temperature environment ship. A water inlet port of a fire valve is connected to a first end of a fire water pipe, the fire water pipe and the fire valve are arranged in a cabin wall, and a second end of the fire water pipe communicates with water source; a fire hydrant joint is arranged on the outer side of the cabin wall, and the fire hydrant joint is connected with a water outlet port of the fire valve in a direct communicating mode; an auxiliary pipeline is arranged in the cabin wall arranged outside the fire water pipe, a first end of the auxiliary pipeline communicates with the first end of the fire water pipe, and a second end of the auxiliary pipeline communicates with the second end ofthe fire water pipe; a first water pump is connected to the auxiliary pipeline; the first water pump is controlled to be started and stopped by a controller according to the temperature in the cabin wall; and the fire water pipe is located at the upper end of the fire valve, the fire hydrant joint is located at the lower end of the fire valve, and the outlet end of the fire hydrant joint is located at the lowest position of a water outlet pipeline arranged between the fire valve and the fire hydrant joint. According to the outdoor antifreezing and damp-proof type fire hydrant used for the low-temperature environment ship, normal using of the fire hydrant in cold areas like a polar region is guaranteed, and the situation that water cannot flow from the fire hydrant due to the fact that thefire hydrant is frozen is avoided.

The invention belongs to the field of ice and snow removal engineering vehicles, and relates to a high-flexibility layered ice and snow removal vehicle which comprises a vehicle, a lifting platform, an ice removal platform and a snow shoveling mechanism. A lifting frame is connected with two sides of the vehicle by vehicle fixing shafts and can be lifted under the control of two lifting hydraulic cylinders mounted above two sides of a vehicle front cover; two pairs of fixing plates with center holes are arranged at the front end of the lifting frame, the fixing plates are connected to holes in two sides of an ice removal frame by pin holes, an angle between the front ice removal frame and the ground can be controlled by two ice removal angle adjusting hydraulic cylinders fixed to two sides of the lifting frame, a motor fixing boss is arranged in the center of the ice removal frame, and two grooved V belt pulleys can be driven by the lower portion of a motor to drive two ice removal discs to remove snow; a snow shoveling barrier at the front end of the snow shoveling mechanism is used for shoveling the snow, four ball pairs are arranged at four corners of the back of the snow shoveling barrier, and four angle adjusting hydraulic cylinders and the ice removal platform are connected with one another to form a parallel mechanism. The high-flexibility layered ice and snow removal vehicle has the advantage that snow shoveling inclination angles can be flexibly controlled.

The invention relates to the technical field of intelligent home appliances, and discloses an air conditioner control method and device, and an air conditioner. The air conditioner control method comprises the following steps: the current coil temperature of an evaporator in the air conditioner conducting refrigeration operation is obtained; under the situation that the current coil temperature isless than the first set temperature, the current valve opening degree and the current frequency corresponding to the current coil temperature are determined according to the first corresponding relationship between the saved coil temperature range and the valve opening degree of an electronic valve as well as the second corresponding relationship between the saved coil temperature range and the operation frequency of a compressor; and operation of the air conditioner is controlled according to the current valve opening degree and the current frequency. In this way, by adjusting the circulating quantity of a refrigerant in a coil, the influence of uneven flow distribution of the evaporator is reduced, the probability of freezing of the evaporator is decreased, and the effects of frequencyreduction and freezing prevention are improved.

The invention relates to a heat preservation collecting well, which consists of a turf cover layer, an earth fill layer, heat preservation layers, block stone layers, a water permeable geotextile, and a water outlet. The bottom part of the well, a water outlet end face of a well mouth or the lateral surface of the well wall are provided with the heat preservation layers; two sides or one lateral surface of the well wall is provided with the water permeable geotextile; the block stone layers are stacked in the well; the top part of the well is the earth fill layer; the turf cover layer is above the earth fill layer; and the water outlet is connected with an underground drainage pipe. The heat preservation collecting well uses the water permeable geotextile to replace an inverted filter layer consisting of gravels and block stones of the prior measure to greatly improve construction speed, and uses an extrusion molding polyethylene heat preservation plate to produce double effects of water isolation and heat preservation so that the heat loss in the collecting well is little. The heat preservation collecting well has simple structure, easy and quick construction, and perfect heat preservation effect, is advantageous for drainage, reduces engineering frozen injuries caused by unsmooth drainage in winter, and can be widely applied to underground water collecting and draining systems for projects of highway, railway and the like in cold areas.

The invention provides an anti-frost-heaving and anti-flooding device for water conservancy projects. The anti-frost-heaving and anti-flooding device comprises a dam, a fixed frame, a water level measuring frame structure, a gate protection structure, gate lifting threaded rods, an air heating device, a flood draining guide pipe structure, an intelligent control alarm device, a drainage gate structure and a lifting connecting rod, wherein the fixed frame is fixed to the upper portion of the dam, and the water level measuring frame structure is installed on the front surface of the dam through bolts. According to the anti-frost-heaving and anti-flooding device for the water conservancy projects, fixed cross rods and pulleys are arranged, so that a protection effect on a gate body is improved, and the gate body is prevented from being stuck in a sliding groove; the air heating case, an air pump and an air guide pipe are arranged, so that heated air can be conveyed into water, the probability of water surface icing is decreased, and the anti-frost-heaving effect is improved; and flood draining water inlet pipes are inserted into the left side and the right side of the lower portion inside a flood draining pipe installing frame, sundries entering a flood draining pipe from the water surface can be reduced, the filtering effect on sundries in water is further improved by means of a filter screen, and therefore the flood draining effect is improved.

The invention relates to an anti-freezing drip irrigation apparatus with a drip irrigation nozzle cleaning function, which comprises a water tank, a first duct and at least two drip irrigation nozzles, as well as a water circulation mechanism and at least two dredging mechanisms. The water circulation mechanism comprises a second duct, a bypass pipe, a piston block, a cylinder and two one-way components; each dredging mechanism comprises a lifting ring, a wire mesh, a push bar, a spring, a first through hole and a power unit; each one-way component comprises a support plate, a cover plate, a second through hole and two slide bars; each power unit includes a fixing sleeve, a rotary shaft, a roller and a connection line. The water circulation mechanism in the anti-freezing drip irrigation apparatus enables a flow of water to cyclically run between the first duct and the water tank, so that chances for the flow of water to freeze are slimmed, and the anti-freezing drip irrigation apparatus is more practical; the drip irrigation nozzles can be dredged through the dredging mechanisms, so that chances for the drip irrigation nozzles to be blocked are slimmed, and drip irrigation effect of the anti-freezing drip irrigation apparatus is improved.

The invention discloses an anti-freezing intelligent water meter easy to clean. A water meter shell is provided with a cleaning anti-freezing assembly, a lithium battery is installed at the bottom end of the interior of a sleeve, a magnetic strip adheres to one end of a heat insulation film, a water control filtering assembly is installed at the bottom end of a water outlet branch pipe, and adjusting butt joint assemblies are installed at the end of a water inlet pipe and the end of the water outlet pipe correspondingly. The junction box is internally provided with an anti-leakage assembly. Connecting sealing openings are formed in the positions, corresponding to the water meter shell, of the top cover and the junction box correspondingly. After the water meter is installed, the heat insulation film defines an approximately semicircular structure, the resistance wires make contact with the outer side of the water meter shell, the outer side of the water inlet branch pipe and the outer side of the water outlet branch pipe, the contact parts are heated, and the water freezing probability is reduced. Water is pumped through the micro water pump, the surface of the dial plate is accelerated, the surface of the dial plate is flushed, sediments are washed away and reading is facilitated when the water passes through the small drainage holes, the two parts run through electric energy stored by the generator, extra power input is not needed, and resources are saved.

The invention relates to a charging device (10) for inductively charging an electrical energy store of a motor vehicle, comprising a primary coil (12) designed to induce a voltage in a secondary coilof the motor vehicle for charging the electrical energy store, and a lifting mechanism (14) designed to move the primary coil (12) between a storage position and a charging position. The charging device (10) comprises a control device (20) designed to operate the lifting mechanism (14) in a deicing mode in which the lifting mechanism (14) is moved between the storage position and the charging position in accordance with a predetermined movement cycle. The invention further relates to a method for operating a charging device (10).

The invention discloses a laminating flat bag-type dust collector with a heat tracing function, and belongs to the technical field of dust treatment environment-friendly equipment. The laminating flatbag-type dust collector comprises a fan chamber and a filter chamber; wherein a fan is arranged at the top of the fan chamber, and an air outlet is formed in the side surface of the fan chamber; a filter bag is arranged in the filter chamber, a mesh is inserted in the filter bag, a heat tracing band is wound on the mesh and used for heating the filter bag, and the heat tracing band is connected with an external power supply through a wire. The laminating flat bag-type dust collector further comprises a rapping mechanism, and the rapping mechanism enables the filter bag to vibrate. According to the laminating flat bag-type dust collector, the heat tracing band can heat the filter bag, so that the filter bag is prevented from being blocked due to the fact that raw coal dehydration moistureis condensed and frozen under the influence of cold air temperature, and the dust treatment effect is improved.

The invention discloses a heat pump module unit and an anti-freezing control method thereof. The anti-freezing control method comprises the following steps of receiving a signal for entering an anti-freezing mode; and controlling a circulating water pump to operate, obtaining the circulating water temperature after first set time, and adopting different levels of anti-freezing operation modes according to different circulating water temperatures. According to the method, before the actual anti-freezing operation mode is selected, circulating water is controlled to circulate for a period of time so that water in the heat pump module unit can flow, the detected circulating water temperature is real, the situation of "false alarm" caused by local low temperature and the positions of sensors arranged on a circulating water return pipe or a circulating water outlet pipe is avoided, and the burden brought to the heat pump module unit and the energy consumption burden brought to a user due to frequent starting of an anti-freezing mode are avoided.