32results about How to "Expand the applicable area" patented technology

The invention discloses a passive cooling air conditioning method and a device thereof. The passive cooling air conditioning method is as follows: air out of an air conditioning area is processed by an air processer to be sent into the air conditioning area, and exhausted air in the air conditioning area is discharged out of the air conditioning area after passing through the exhausted air cavity of a passive cooling integration device. The invention can be applied in various air conditioning systems, can combine active cooling and passive cooling into a whole, takes the active cooling mode to carry out air conditioning in the air conditioning area and drastically adsorbs the solar radiation energy of translucency building envelope in a passive cooling mode, thus effectively lowering indoor air conditioning load; air output is lowered, the overall dimension of the unit is reduced, the section surface of the air hose is lowered, so that the air hose is easy to cooperate with building space, and cost is low. The invention is suitable for air conditioning in rooms of various living buildings, public buildings, industrial buildings and the like and is especially applied in various buildings of dry and tropic regions.

The invention discloses a non-Gaussian wind pressure simulation method based on Johnson transformation. The non-Gaussian wind pressure simulation method comprises the following steps: firstly, introducing a Johnson transfer model and a parameter estimation method; secondly, introducing simulation of a Gaussian process based on a spectral method; deriving an explicit expression of a correlation coefficient of the non-Gaussian process based on a Johnson transfer model; and finally, providing the whole simulated process and using a numerical example and a Hermite model or carrying out comprehensive comparison. The method can simulate the non-Gaussian process of the skewness and the kurtosis outside the Hermite feasible region, is applicable to both hardening and softening, has the characteristics of large applicable region and high precision, and solves the problem that the Hermite feasible region is limited.

The invention provides an air-conditioning method with the function of passive cooling of indoor air through water circulation and a device. The method is carried out as follows: the air beyond the air-conditioning zone is sent to the air-conditioning zone after being handled by an air handling unit, the exhaust air in the air-conditioning zone is exhausted out of the air-conditioning zone after passing through an evaporative cooling device in the air-conditioning zone, the cold water sent out from the cold water end of the evaporative cooling device is returned to the evaporative cooling device by the return water end of the evaporative cooling device after passing through a water heat absorption device of a passive cooling integrated device. The invention can be applied to various air-conditioning systems and substantially absorb the heat gain of solar radiation of the light-transmitting enclosure structure by way of passive cooling while regulating the air in the air-conditioning zone by way of active cooling, thus effectively reducing the load of the indoor air-conditioner, lowering the supplied air volume, reducing the overall dimension of the unit and the sectional area of the air pipe and being easy to match with the building space and lower in cost. The invention is especially applied to the dry air energy evaporative cooling air-conditioning systems and is especially suitable for air regulating of the rooms in various residences, public buildings, etc.

The invention relates to a method and a device with external air-water cycle passive cooling. The method is carried out as follows: after passing through an evaporative refrigeration device, air outside an indoor area is discharged out from the indoor area; and after passing through the water heat-absorbing device of the device with external air-water cycle passive cooling, cold water sent out from the cold water end of the evaporative refrigeration device is returned to the evaporative refrigeration device by the water returning end of the evaporative refrigeration device. The invention can be applied to an air-flushing system in an air-conditioning system or a system without air supply, utilizes a window integrated passive cooling system to greatly reduce window-obtained heat which is the weak link of building energy consumption and effectively reduce the load of an indoor air conditioner, reduces air output, machine set overall dimension and air hose sectional area, is easy to be matched with architectural space, has low cost and is specially suitable for air conditioning in rooms of home buildings and office buildings.

The invention relates to an improved flat-plate compact directly freeze-proof solar water heater, belonging to the field of solar water heater. The solar water heater is characterized in that same heat collectors of the solar water heater are symmetrically arranged below a support frame, wherein the exposed upper circulation connecting openings of the upper collecting pipes of the heat collectors and the exposed lower circulation connecting openings arranged at the upper part of the lower collecting and connecting pipes are arranged on the upper end face of the heat collector, heat-insulating material is coated on the lower collecting and connecting pipes arranged inside the heat collectors, and protective covers are arranged outside the heat-insulating material; and a hot water storage tank of the solar water heater is arranged above the support frame, the lower part of the hot water storage tank is provided with a cool water inlet, a hot water outlet, two upper circulation connecting openings and two lower circulation connecting openings which are symmetrically arranged, the hot water storage tank is internally provided with a conduction pipe and a inlet water diffuser, wherein the two upper circulation connecting openings the hot water outlet which are arranged at the lower part of the hot water storage tank are connected with each other and extend inside the hot water storage tank to the upper part of the same, the cool water inlet is connected with the inlet water diffuser which is arranged at the lower part of the hot water storage tank, the hot water storage tank of the solar water heater is correspondingly connected with the circulating water channels of the heat collectors by circulating pipe connecting parts.

The invention provides a grounding electrode for spanning a river / deep ditch. The grounding electrode comprises two feed rods, two current guiding towers, two current guiding cables and an overhead wire, wherein one feed rod is arranged at one current guiding tower, the other feed rod is arranged at the other current guiding tower, the overhead wire is hung between the two current guiding towers, and the feed rods are connected with the overhead wire through the current guiding cables. The grounding electrode has the advantages that the overhead wire replaces the current guiding cables to span the river or the deep ditch, the length of the current guiding cables is reduced, investment is reduced, design and construction difficulties are lowered, destruction of and influence on the river (the deep ditch) during the construction and operation of the current guiding cables are avoided, the applicable regions of grounding electrode addresses are expanded greatly, and the operation safety of the grounding electrode is increased.

The invention discloses a virtual polar area method based on a horizontal geographic coordinate system, which is used to solve the technical problem of poor applicability of the existing virtual polar area method. The technical solution is to keep the attitude matrix, velocity and altitude information in the lateral geographic system unchanged, and reconstruct the polar position trajectory by integrating the lateral velocity after compensating the ellipsoid correction coefficient; In the horizontal geographic coordinate system, the local earth rotation angular rate and gravity acceleration are deducted, and the earth rotation angular rate and gravity vector of the virtual polar region are superimposed to complete the polar region reconstruction of inertial sensor data. The present invention reconstructs the polar area trajectory data and inertial sensor data in the horizontal geographic coordinate system, so that the motion characteristics of the carrier relative to the local horizontal plane remain unchanged, the applicable area is enlarged, and it can be applied to any position on the earth's surface except the horizontal pole; The spherical approximation is avoided by the ellipsoid correction coefficient, and the modeling accuracy is improved.

The invention discloses novel log multi-blade band saw equipment, and relates to the technical field of woodworking machinery. The novel log multi-blade band saw equipment comprises an outer frame, anoperating platform arranged in the outer frame and a cutting saw blade used for cutting wood; a cutting component is arranged in the middle position in the outer frame; and the two sides of the cutting component are respectively provided with a feeding component and a discharging component for feeding and discharging, and a plurality of saw blades can be used for cutting simultaneously. The invention has smaller integral load, increases the outturn rate, reduces the timber loss and has higher integral working efficiency; a circular wood can be automatically aligned, the cutting distance and the wood thickness in the cutting process can be conveniently controlled, and cutting offset and wood waste generated in the process of cutting the circular wood are avoided; and the equipment has higher strength, higher precision, lower noise in the cutting process and longer service life.

The invention discloses a novel warm air evaporation type humidifier. A shell with volatilization holes is included. A water tank is arranged in the shell and internally provided with water absorptioncotton. A machine body connected with the shell is further included and internally provided with a draught fan. The draught fan can blow and convey air into the water tank. A PTC heating body is arranged at the air inlet end position of the draught fan. The PTC heating body is arranged at the air inlet end, air sucked by the draught fan becomes hot air after passing through the PTC, the hot air is blown to the position of the water absorption cotton, the atomization amount can be greatly increased, meanwhile, the hot air can achieve the sterilization effect, and compared with an ordinary airblowing evaporation type humidifier on the market, the performance and the effect are improved.

The invention discloses a combined cooling air-conditioning system of an indirect evaporation chiller and a mechanical refrigeration chiller. A first-stage and a second-stage surface heat exchangers and a blower are arranged in order in a casing of an air processor from an air inlet to an air outlet, a water outlet pipe of the indirect evaporation chiller is connected to a water inlet of the first-stage surface heat exchanger of the air processor, a water outlet pipe of the first-stage surface heat exchanger is connected with a cooling water inlet of a traditional low-temperature chiller, a cooling water outlet of the traditional low-temperature chiller is connected with a water inlet of the indirect evaporation chiller, a chilled water outlet of the traditional low-temperature chiller is connected to a water inlet of the second-stage surface heat exchanger, a water outlet pipe of the second-stage surface heat exchanger is connected to an indoor tail-end water inlet located in an air-conditioning room, a water outlet pipe at the tail end in the air-conditioning room is connected with a chilled water inlet of the traditional low-temperature chiller, and an exhaust outlet of the blower leads to the air-conditioning room through a blast pipe. The combined air conditioning system not only can be used in dry heat regions but also can be used in moist heat regions, makes the best of refrigeration capacity of dry air energy, realizes the cascade utilization of energy, reduces the installed capacity and electric power load of equipment, improves the fresh air amount of the air-conditioning system, and improves the indoor air quality.

The invention relates to the technical field of water heaters, and discloses a solar photovoltaic and air source heat pump combined water heater. The solar photovoltaic and air source heat pump combined water heater comprises a heat pump main machine, a condenser, an evaporator, a bottom frame, a water storage tank, a photovoltaic panel, an electromagnetic water valve and a water tank, the heat pump main machine and the water storage tank are both installed at the upper end of the bottom frame, a sleeve is fixedly connected to the center of the lower end of the water storage tank through a round hole, the upper end of the water tank is fixedly connected with the pipe wall of the sleeve through a through hole, an inner container is fixedly connected into the water tank, the lower end of the sleeve penetrates through the side wall of the inner container and extends into the inner container, and the upper end of the water tank is fixedly connected with two electric heating rods. The solar photovoltaic and air source heat pump combined water heater can be used in the environment with the low environment temperature, the application range is wide, the hot water supply speed of an air source heat pump unit can be increased, meanwhile, heat storage can be conducted on solar photovoltaic in a hot water storage barrel, and energy consumption is reduced.

The invention relates to a method using external passive cooling and a device thereof. The method is carried out as follows: after being processed by an evaporative refrigeration device and passing through the air exhaust cavity of an external passive cooling device, air outside an indoor area is discharged out from the indoor area. The invention is suitable for various home buildings, public buildings and industrial buildings, and substantially absorbs the obtained solar radiation thermal quantity of a transparent building envelope in a passive cooling mode, thereby effectively reducing indoor obtained thermal load, being easy to be matched with architectural space and having lower cost; and especially the application thereof in dry and hot areas aims at the efficient graded application of dry air energy, effectively reduces the obtained thermal load of transparent building envelopes such as windows and the like and realizes more effective graded configuration of energy.

The invention relates to the technical field of irrigation-free haloxylon ammodendron planting region protection, in particular to a structure capable of improving the snoewmelt infiltration rate of an irrigation-free haloxylon ammodendron planting region and a use method thereof. The structure capable of improving the snoewmelt infiltration rate of the irrigation-free haloxylon ammodendron planting region comprises a sand hill with a slope, wherein the sand hill with the slope comprises a slope bottom, a slope top and a slope middle. According to the structure capable of improving the snoewmelt infiltration rate of the irrigation-free haloxylon ammodendron planting region and the use method thereof, water content of soil layers with underground sand layer depth of 30-60cm in the slop middle and slop top regions of the sand hill in the irrigation-free haloxylon ammodendron planting mode can be improved, the growth requirements of haloxylon ammodendron are met, the survival rate of haloxylon ammodendron is improved, the defect that only the slope bottom and flat land parts of a whole haloxylon ammodendron planting region have high survival rate can be avoided, a beneficial technical support is supplied to large-scale recovery and construction of haloxylon ammodendron plant forest, the sand binding effect of the sand binding plants is improved, the application range of an irrigation-free haloxylon ammodendron planting technology is widened, and the structure has favorable application prospect.

The invention discloses an unpowered loopback auxiliary power supply and self-walking device for locomotives. The device comprises two schemes; in the first scheme, the device comprises a boosting type DC / DC module, a bucking type DC / DC module, a single-phase inverter module, a three-phase inverter module, a traction inverter module and a controller; and in the second scheme, the device comprisesa bidirectional DC / DC primary module, a bidirectional DC / DC secondary module, a single-phase inverter module, a three-phase inverter module, a traction inverter module and a controller. According to the device, a traction motor can be controlled to carry out regenerative braking when being dragged to run, so as to generate power and generate a certain life power supply capacity, so that the operators can watch over on locomotives confidently and securely so as to smoothly complete the locomotive repair / loopback tasks; and DC400V or higher high-power DC power supply can be provided outside thelocomotives to realize shunting operations under speed limiting requirements.

The invention discloses a passive cooling air conditioning method and a device thereof. The passive cooling air conditioning method is as follows: air out of an air conditioning area is processed by an air processer to be sent into the air conditioning area, and exhausted air in the air conditioning area is discharged out of the air conditioning area after passing through the exhausted air cavityof a passive cooling integration device. The invention can be applied in various air conditioning systems, can combine active cooling and passive cooling into a whole, takes the active cooling mode to carry out air conditioning in the air conditioning area and drastically adsorbs the solar radiation energy of translucency building envelope in a passive cooling mode, thus effectively lowering indoor air conditioning load; air output is lowered, the overall dimension of the unit is reduced, the section surface of the air hose is lowered, so that the air hose is easy to cooperate with building space, and cost is low. The invention is suitable for air conditioning in rooms of various living buildings, public buildings, industrial buildings and the like and is especially applied in various buildings of dry and tropic regions.

The invention relates to a submarine cable route coordinate positioning method based on weak magnetic signals. According to the coordinate positioning method, an underwater robot is used as a platform; a horizontal crawler belt is arranged at the bottom of the underwater robot; the underwater robot is provided with two three-axis magnetic sensors, which are respectively a coil sensor and a fluxgate sensor; the Y axes of the two three-axis sensors point to the advancing direction of the underwater robot, and the advancing direction is determined by the crawler belt; and the Z axes of the two three-axis sensors are perpendicular to the crawler belt; the underwater robot is provided with a gyroscope, and the gyroscope is used for collecting attitude information of the underwater robot and correcting data of the two three-axis sensors to standard values according to the attitude information; According to the invention, a magnetic signal generated by a submarine cable is divided into three areas according to the receiving of a sensor, and a corresponding strategy is executed in each area, so that the sensor is finally close to the submarine cable, and the coordinates of the submarine cable are obtained.

The invention discloses a sunlight greenhouse, which is enclosed by two side walls on east and west faces and a rear wall on the north side. A front slope surface and a rear slope surface are formed and are provided with a plurality of transverse or longitudinal bearing lines or bearing beams; transparent thermal insulation layers are laid on the bearing lines or bearing beams of the front slope surface; and transparent foam material layers are arranged on the bearing lines or bearing beams of the rear slope surface. The rear wall and the two side walls are hollow wall bodies, and bottled or bagged black water or water packaged by black bottles or black bags is arranged in the hollow wall bodies. By the sunlight greenhouse, the land utilization rate can be greatly improved; light can penetrate through the rear slope surface in the daytime, so that illumination of north plants in the greenhouse is improved; thermal insulation objects are needed to be covered on south and north sides inthe greenhouse at night in an inner thermal insulation mode or an outer thermal insulation mode; a curtain rolling machine, and thick and fine curtain rolling shafts which are arranged at intervals are arranged on a ridge part; and nighttime thermal insulation objects on the south side are rolled on the coarse section of an output shaft and nighttime thermal insulation objects on the north side are rolled on the fine section of the output shaft through ropes.

The invention relates to an evaporative refrigeration method based on an external sunshading cooling and a plant thereof. The plant comprises an evaporative refrigeration device, an indoor area and an external sunshading passive evaporative cooling integration device, wherein the evaporative refrigerating plant comprises at least one air intake and not less than one air outlet; the external sunshading passive evaporative cooling integration device comprises an external sunshading installation and a translucency containment structure; and not less than one layer of airflow channel formed by the sunshading installation self or between the external sunshading installation and the translucency containment structure is an air exhaust cavity. The invention has the following effects: the heat gain of the room is effectively reduced in summer, the invention is more easy to match in construction and has low cost, is more reasonable and sufficient in the utilization of energy, constructs the channel for indoor and outdoor contact, effectively solves the problem of disorderly air exhausting in an air-condition system, enables the indoor and outdoor air flow to be more smooth, lays a reality basis for the application in large scale of the evaporative refrigeration air conditioning technology in housing construction and other civil architectures, and widens the area suitable for the evaporative refrigeration air conditioners.

The invention relates to a control method, a controller and a hybrid power system. When it is recognized that the battery charging capacity of the hybrid power system is seriously insufficient due to special working conditions, the control mode of the motor of the hybrid power system can be changed in time. Switching to the voltage control mode, at this time, the target operating current of the battery of the hybrid system in the special working condition can be calculated, and control parameters including the target operating voltage of the motor are generated according to the target operating current, by The motor can adjust the output torque in real time according to the control parameters and work stably in the voltage control mode, so that the actual working current of the battery reaches the target working current, thus making the hybrid power system operate under special working conditions It can continue to operate stably, reduce the probability of over-current failure or damage to the battery due to overcharging under special working conditions, and enhance the robustness of the system.

The invention relates to a hollow environmentally-friendly cut block which comprises a plurality of side wall plates, wherein each side wall plate is provided with an inner surface, an outer surface, a top surface and a bottom surface; the plurality of side wall plates are fixedly connected together in sequence so as to form the hollow environmental-friendly cut block; a cavity is defined by the inner surfaces of the plurality of side wall plates; the cavity is positioned at the middle of the hollow environmentally-friendly cut block; a brick top surface is formed by connecting the top surfaces of the plurality of side wall plates; a brick bottom surface is formed by connecting the bottom surfaces of the plurality of side wall plates; and positioning blocks are fixedly arranged on the brick top surfaces and the brick bottom surfaces respectively.