30results about How to "Effective savings" patented technology

The invention relates to a concrete vibrating rod. The concrete vibrating rod comprises a shell (1), the interior of the shell is divided into an upper chamber and a lower chamber through a bearing pedestal (4), the upper chamber is provided with a variable frequency controller (2) and an alternating current motor (3), an eccentric shaft (5) is connected with an output shaft of the alternating current motor, the lower chamber is sequentially provided with a silencing cover (6) and a bushing (8), and a sound sensor (10) connected with the variable frequency controller is arranged outside the shell. A connection portion arranged on the outer surface of the shell fixes a heating phase-change cover (14) to the outer surface of the shell. The heating phase-change cover is a sealed cavity filled with phase-change materials (19), an electric heating device (20) is arranged on the inner side of the outer wall (15) of the heating phase-change cover, a reflecting film (21) and a heat insulation layer (22) are sequentially arranged on the inner side of the inner wall (16) of the heating phase-change cover, and the outer surface of the outer wall of the heating phase-change cover is provided with a temperature sensor connected with a temperature control device of the electric heating device. The concrete vibrating rod is used for concrete pouring, can achieve vibration and heating of concrete, effectively saves energy, and reduces noise.

The invention discloses a novel sea wave piezoelectric electricity generation device which comprises a floating body and a piezoelectric electricity generator. A supporting bottom plate is installed on the outer side of a supporting floating body, a supporting floating body bottom plate is installed on the inner side of the supporting floating body, four guide pillars are installed above the supporting floating body, the piezoelectric electricity generator is installed among the four guide pillars, a top plate is arranged at the top ends of the four guide pillars, and a bearing supporting plate is arranged on the lower portion of the four guide pillars. The piezoelectric electricity generator comprises a surrounding wall arranged among the four guide pillars, piezoelectric vibrators are arranged on the surrounding wall, a transmission shaft is provided with piezoelectric vibrators corresponding to the piezoelectric vibrators on the surrounding wall, permanent magnets are attached to the outer sides of the piezoelectric vibrators, the transmission shaft is connected with a wave energy collecting floating body, a brake device is arranged on a transmission bearing, and an energy storage spring is installed between the bearing supporting plate and the supporting floating body bottom plate. The novel sea wave piezoelectric electricity generation device can effectively prevent the problem of damage to the piezoelectric vibrators of the piezoelectric electricity generation device, and the wave energy utilization rate is increased through the rotary transmission shaft.

The invention discloses an anti-spattering bow fin of a high-speed ship. The anti-spattering bow fin is arranged at the two sides above the water line of the bow of the high-speed ship; the longitudinal view of the anti-spattering bow fin is a streamline structure with closed wings; an inclined angle Alpha is formed by the closed wing closing the bow and the water line plane and the closed wing deviating the bow is parallel to the water line plane. The horizontal view of the anti-spattering bow fin is a streamline closed wing with a main wing bent downward into a side wing; the main wing closing the bow and the side wing form a water inlet; the horizontal width of the anti-spattering bow fin is reduced progressively from the bow to the direction of the stern; the tail end of the side wing is hooked internally to the ship side; and the main wing deviating the bow and the tail end of the side wing form a water spray outlet. The anti-spattering bow fin has low cost and convenient manufacture, can uplift the body of the high-speed ship when in sailing, improves the sailing posture of the ship, reduces soaking area of the ship body, and further reduces the total resistance of the ship body. The anti-spattering bow fin fully utilizes the energy of spattering flow, plays the role of assisting propulsion to the high-speed craft and achieves the purpose of saving energy of the high-speed craft.

A power management system is disclosed, and the power management system carries out a charge-discharge control according to lack of storage cell pack characteristic uniformity. A power storage device (14) comprises a power storage unit (16), a power system switching circuit (20), and a power management unit (22). The power management unit (22): acquires charge information (for example, charge rate SOC) on each of a plurality of storage cell packs contained in the power storage unit; compares the size of said charge information according to the minimum and maximum values thereof respectively with an upper bound and a lower bound, and switches a charge switch and a discharge switch of the power system switching circuit (20); and transitions the power storage unit (16) between a charge-discharge state, a charge state, and a discharge state.

The invention relates to a conveying pipe sleeve for a pumping concrete construction. The conveying pipe sleeve is in cup joint at the outer side of a conveying pipe (1), and is spliced by multiple sections of pipe sleeve units in a length direction of the conveying pipe; each section of the pipe sleeve unit is spliced by more than two pipe piece units; the pipe piece units are sealed cavities consisting of outer walls (4), inner walls (5), upper bottom surfaces, lower bottom surfaces and two side sealing plates (10); phase change materials (6) are filled in the sealed cavities; electric heating devices (7) are arranged at the inner sides of the inner walls, and temperature sensors connected with temperature control devices of the electric heating devices are embedded at the outer sides; and the inner sides of the outer walls are provided with reflective film layers (8) and heat insulating layers (9) in sequence from top to bottom. The multiple pipe piece units are clamped and fastened on the outer surface of the conveying pipe through connecting parts (11); the multiple sections of the pipe sleeve units are longitudinally spliced; and the upper and lower bottom surfaces of the adjacent pipe piece units are respectively provided with concave parts (12) and convex parts (13) with matched shapes. The pipe sleeve is simple in structure and convenient to be disassembled, prevents the blockage caused by low temperature, and improves the energy utilization rate.

The invention discloses a bituminous pavement. The bituminous pavement comprises a base layer, a broken stone hardcore paved on the base layer, a water collecting portion arranged on the base layer, and a bituminous layer paved on the broken stone hardcore. The water collecting portion comprises a water storing beam fixed to the base layer, stiffening beams fixed to the two sides of the water storing beam correspondingly and a water collecting pipe fixed to the water storing beam. The interior of the water storing beam is hollow, and the water collecting pipe communicates with the interior ofthe water storing beam. The two ends of the water storing beam are arranged on the two sides of a road correspondingly. The water storing beam is arranged in the broken stone hardcore, and the upper end of the water collecting pipe communicates with the upper surface of the bituminous layer. The bituminous pavement provided by the invention has the following advantages and effects that the bituminous pavement can absorb and store rainwater, the rainwater stored in the pavement is evaporated in hot weather, the temperature on the bituminous pavement is decreased, and accordingly, the effect that the temperature environment on the bituminous pavement is improved is achieved.

A dust collector for a vacuum cleaner capable of improving suction performance. The air and dust inhaled from the inlet (12) are guided to the dust collection chamber (29) through the guide path (41). A cylindrical flow path member (55) is arranged on the straight portion (52) of the guide pipe (41) such that its axis is along the direction in which the straight portion (52) extends. A plurality of vents (47) are formed on the flow path member (55), and each vent (47) is covered with a mesh filter (50). When a certain degree of dust is stored in the dust collection chamber (29), the air flowing in the introduction pipe (43) flows out to the outside (bypassing the flow path (31) side) through the vent (47) and bypasses the dust collection chamber (29) ) leads to the exit.

The invention discloses a rain flood resource utilization device for a field greenhouse area in the northern area and a construction method. The problem that in the prior art, the surface runoff in the northern area is large is solved, and the device has the advantages of achieving rainwater collection, storage and utilization and effectively saving water. According to the specific scheme, the rain flood resource utilization device for the field greenhouse area in the northern area comprises a rainwater collection unit, a purification unit, a water storage unit and a utilization unit, whereinthe rainwater collection unit is arranged on the side portion of the bottom of a field greenhouse, the top of the rainwater collection unit is lower than the ground surface around the greenhouse, therainwater collection unit is arranged in the length direction of the greenhouse to collect the surface runoff generated by rainfall around the greenhouse and rainwater sliding down from the greenhouse, the rainwater collection unit comprises a plurality of longitudinally-arranged water collection grooves, the adjacent water collection grooves communicate with each other, and the size of the top ofthe rainwater collection unit is larger than that of the bottom of the rainwater collection unit; the purification unit comprises a plurality of filtering layers, and the filtering layers are arranged on the tops of the water collection grooves respectively; the water collection groove in the bottommost layer communicates with the water storage unit; and the utilization unit communicates with thewater storage unit to supply water to the field greenhouse.

The invention provides a system and a method for dynamically switching threshold values of a data queue. The data queue, such as a data queue of an FIFO (First In First Out) buffer, is provided with a first threshold value and a second threshold value, wherein the first threshold value is larger than the second threshold value. The method can dynamically switch to the first threshold value or the second threshold value of the data queue according to the different power-down modes of a CPU. When the data quantity in the data queue is smaller than the switched first threshold value or second threshold value, a main memory is accessed so as to fill the data queue to the full. The system and the method can save the power energy and ensure longer service time of a portable electronic device under the condition of the limited power supply.

The invention discloses a garden lamp with an adjustable lamp pole supporting angle and relates to the technical field of garden lamps. The garden lamp comprises a moving device, a lifting device, anadjusting device, an illuminating lamp device, a heat dissipation device, a solar device, a telescopic device and a shower head device, wherein the moving device is horizontally arranged, the liftingdevice is arranged on the moving device, the adjusting device is arranged on the lifting device, the illuminating lamp device is arranged on the adjusting device and is in a matched connection state,the heat dissipation device is arranged at the top of the illuminating lamp device, the telescopic device is arranged at the top of the lifting device, the solar device is arranged above the telescopic device and is in a matched connection state, the shower head device is arranged above the moving device, the lifting device is connected with the telescopic device and the adjusting device in a matched mode, the telescopic device is connected with the solar device in a matched mode, the adjusting device is connected with the illuminating lamp device in a matched mode, and the illuminating lamp device is connected with the heat dissipation device in a matched mode.

The embodiment of the invention discloses a mixed ecological zone system and a construction method thereof. The ecological zone system comprises an underground protection system, a surface water accumulation system and a vegetation recovery system. A coastal beach is divided into a saline water area ecological zone, a saline-fresh mixed area ecological zone and a fresh water area ecological zone.The underground protection system is arranged under the ground of the saline-fresh mixed area ecological zone, and is used for regulating and controlling the mutual exchange of underground water of the saline water area ecological zone and underground water of the fresh water area ecological zone. The surface water accumulation system is positioned in the fresh water area ecological zone. The vegetation recovery system comprises a saline water area ecological zone recovery system, a saline-fresh mixed zone ecological zone recovery system, and a fresh water area ecological zone recovery system.According to the mixed ecological zone disclosed by the embodiment of the invention, the saline-fresh mixed area ecological zone suitable for local is constructed, so that fresh water resources are effectively accumulated, protection, management and control of coastal beach areas are realized, salt return of soil is prevented, and the deterioration degree of plant diversity is effectively inhibited.

The invention discloses a disposable coverage structure for railway track freezing disaster treatment. The invention belongs to the field of railway tracks, and discloses the disposable coverage structure for railway track freezing disaster treatment. When freezing weather occurs, external rain and snow melted water can permeate into an anti-freezing warm layer and then enter a self-heating warm bag, and heating particles can emit heat when meeting water, so the rail can be effectively protected from being influenced by freezing weather; the service life of the rail is prolonged; the self-heating warm bag emits heat, so that the temperature near the rail can be increased, thus accelerating melting of rain and snow, meanwhile, the freezing phenomenon near the rail is effectively avoided; the influence of freezing weather on rail transit is effectively reduced; meanwhile, through a base layer, when the temperature rises after the freezing weather, the distance between gas molecules in the base layer is increased, the position near the base layer is loosened, and the coverage is convenient to detach; the coverage is disposable only in freezing weather, and the situation that the railsare damaged due to the fact that the temperature of the rails rises in a high-temperature environment is effectively avoided.

The invention relates to an environment-friendly rainshed for collecting rainwater, and belongs to the technical field of building construction. The environment-friendly rainshed for collecting the rainwater includes a wall body with embedded bolts and a steel skeleton with steel angles and a steel plate; the wall body is connected with the steel plate by the embedded bolts; overflow holes are formed in the connection ends of the steel angles and the steel plate, and a water shielding drainage plate with baffles is arranged between the two steel angles; overflow grooves are reserved in the positions, close to the steel angles, of the sides of the water shielding drainage plate; planting boxes are placed between the middle baffles at intervals; and water storage tanks are arranged between the middle baffles at intervals, drain holes are formed in the middle baffles corresponding to the planting boxes, water inlet holes corresponding to the drain holes of the middle baffles are formed inthe planting boxes, and lifting rods are arranged on the side plates of the planting boxes. According to the environment-friendly rainshed for collecting the rainwater, the rainshed is fully utilizedto effectively save and utilize the rainwater, the pressure of a municipal water network is reduced, and meanwhile the green plants solve the problem of the heat island effect.

The invention discloses a heat storage type water-electricity separation heating mechanism applied to warm and hot water heater. The heat storage type water-electricity separation heating mechanism comprises a water pipe (1) and a heating pipe (2), and the heating pipe (2) is arranged outside the water pipe (1) while the water pipe (1) and the heating pipe (2) are both arranged inside a heat transfer body (3). The heat transfer body (3) is made of aluminum alloy. The heat storage type water-electricity separation heating mechanism enables the heating pipe and water mediums inside the water pipe to be heated separately and indirectly, the heat transfer body is used for transferring heat and heat can be effectively accumulated instead of being wasted, so that drinking water heating inside the water pipe can be quickened, heat preservation can be achieved effectively and the heat utilization rate is high. Due to the fact that the surface of the heating pipe is not in contact with the drinking water, the heating pipe cannot be eroded, further the drinking water can be clean and health, the service life of the heating pipe is prolonged, personal safety can be guaranteed due to water-electricity separation heating, potential hazards can be eliminated, and heating, anti-explosion and safety technical performances of the warm and hot water heater can be improved significantly.

The invention relates to a high efficiency planting and fertilizing method of less tillage corn based on wheat straw returning to field. The method includes: a planting area is planned before planting; the planting area is divided into planting belt and stripe. The strip is located between the planting belts and the width of the stripe is 50-65 cm. Planting and fertilizing method includes: wheat straw is used to fertilize the soil after returning to field, the wheat straw forms fertilizer belt. The fertilizer belt is placed in a rotation to form a rotary tillage zone. After the rotation tillage, a single grain double row planting corn method is used in the rotary tillage zone, and the seeds are seeded to carry out a total suppression in the rotary tillage zone. The planting and fertilizing method has the advantages that the less tillage soil method of corn planting and fertilizing is less times spreading destroy of soil and less soiled than the traditional tillage sowing, and is conducive to maintaining the stability of the soil microbial flora and ensuring the quality of the emergence. The method can make maximum use of light and heat resources, increase the photosynthetic product. The local lack of seedling ridge in this arrangement can give full play to the potential of individual corn plants to use light and heat, even if the emergence of incomplete production doesn't have too much impact on population yield.