32results about How to "Guaranteed heat transfer resistance" patented technology

The invention provides a heat exchanger which comprises two collecting boxes and heat exchange tubes, wherein the heat exchange tubes are arranged between the two collecting boxes; the heat exchange tubes are flat heat exchange tubes; fins are arranged in the flat tubes; the fins comprise inclined parts; a fluid channel is partitioned by the inclined parts into a plurality of small channels; the larger the distance between the flat tubes and an inlet tube is, the larger the lengths h of the bottom sides of the isosceles triangular communication holes in the flat heat exchange tubes are. According to the heat exchanger, as the lengths h of the bottom sides of the isosceles triangular communication holes are changed along with the distance between the flat heat exchange tubes and the inlet tube, fluid can be enabled to flow to the heat exchange tubes with small flow resistance and far away from the inlet tube, the fluid can be uniformly distributed inside the heat exchange tubes, the heat exchange efficiency can be improved, and the service life can be prolonged.

The invention provides a heat exchanger. The heat exchanger comprises two headers and heat exchanging tubes which are arranged between the two headers; each heat exchanging tube is a flat heat exchanging tube; fins are arranged in each flat tube; each fin comprises an inclined part; the inclined parts are used for isolating fluid passages to form a plurality of small passages; each inclined part is provided with communication holes; the communication holes in different flat heat exchanging tubes are different in area; the farther the distance from each communication hole to an inlet tube is, the larger the area of the communication hole in the flat tube is. According to the heat exchanger provided by the invention, the area of each communication hole is set to vary along with the distance away from the inlet tube, so that a fluid can flow into the heat exchanging tube which is small in flow resistance and far away from the inlet tube; therefore, the fluid can be uniformly distributed in the heat exchanging tubes, the heat exchange efficiency is improved, and the service life is prolonged.

The invention provides a solar heat accumulation system. The system comprises a heat collector and a heat accumulator; a heat accumulator pipeline valve and a heat accumulator pipeline temperature sensor are arranged on a heat accumulator pipeline; a bypass pipeline valve and a bypass pipeline temperature sensor are arranged on a bypass pipeline; and a central controller automatically controls opening and closing of the heat accumulator pipeline valve, the bypass pipeline valve and an outlet pipe valve according to detected temperature of a heat accumulator inlet pipe, temperature in a water tank and temperature of the bypass pipeline. The system controls multiple valves through the temperature of the heat accumulator inlet pipe, the temperature in the water tank and the temperature of the bypass pipeline to realize intelligent heat accumulation control.

The invention provides an intelligent control method for a solar energy system. A solar heat collector system comprises a heat collector, wherein the heat collector comprises a heat collecting pipe and a water tank; the heat collecting pipe comprises a heat absorbing end and a heat releasing end, and the heat releasing end is arranged in the water tank; a water level meter is arranged in the water tank, and an outlet pipe temperature sensor is arranged on an outlet pipeline of the water tank; an inlet pipe valve and an outlet pipe valve are respectively arranged on an inlet pipe and an outlet pipe of the water tank, and the water level meter, the temperature sensor, the inlet pipe valve and the outlet pipe valve are in data connection with a central controller; the central controller controls the size of the opening degree of the inlet pipe valve and the outlet pipe valve according to the temperature measured by the temperature sensor and the water level measured by the water level meter. The method automatically controls multiple parameters of the solar energy system, realizes intelligent control for the solar water temperature, and therefore improves the using intelligentization of the solar energy system.

The invention provides a solar heat accumulation system. The system comprises a heat collector, a heat accumulator and a heat utilization device; a heat exchange tube is introduced into the heat accumulator, performs heat exchange with a heat accumulation material and is connected with the heat utilization device via a pipeline; a valve is arranged on the pipeline between the heat utilization device and the heat accumulator, and also in data connection with a central controller; a temperature sensor is arranged on an inlet tube of the heat utilization device and used for automatically detecting a temperature of water entering the heat utilization device; the temperature sensor is in data connection with the central controller; the central controller controls opening of the valve according to the detected water temperature. The solar heat accumulation system monitors the temperature of water entering the heat utilization device and thus guarantees constant water temperature of the heat utilization device by controlling the flow; in such a manner, intelligent utilization of the heat accumulation system is realized.

The invention provides a solar energy heat storage system, which comprises a heat collector and a heat storage device. The heat collector comprises a heat collection pipe and a water tank; the heat collection pipe comprises a heat absorption end and a heat release end; the heat release end is arranged in the water tank; the heat storage device is arranged on a heat storage device pipeline; the water tank and the heat storage device communicate to form a circulation loop; the heat collection pipe absorbs solar energy for heating water in the water tank; the heated water enters the heat storage device through a water tank outlet pipe so as to store heat in a heat storage material of the heat storage device; an inner fin is arranged on an inner wall of the heat absorption end of the heat collection pipe, and is in a straight plate shape; an extending direction of the inner fin is along a flowing direction of fluid evaporation; and the height of the inner fin is continuously increased along a direction from the heat absorption end to the heat release end. Through the arrangement, compared with the totally same fin height, the heat exchange efficiency can be improved. According to the solar energy heat storage system provided by the invention, the intelligentization of heat storage system utilization based on multi-sensor automatic control is realized.

The invention provides a heat exchanger. The heat exchanger comprises two headers and heat exchange pipes arranged between two headers. The heat exchange pipes are flat heat exchange pipes. Fins are arranged in the flat pipes. The fins include inclined parts. A fluid channel is divided into a plurality of small channels through the inclined parts. The numbers of the communicating holes distributed in the different flat heat exchange pipes are different, and the longer the distances of the flat heat exchange pipes away from an inlet pipe are, the larger the numbers of the communicating holes distributed in the flat heat exchange pipes are. By means of the heat exchanger with the variable numbers of the communicating holes, due to the fact that the numbers of the communicating holes are set to be changed along with the distances of the heat exchange pipes away from the inlet pipe, fluid flows into the heat exchange pipes which are low in flowing resistance and is away from the inlet pipe, the fluid is evenly distributed in the heat exchange pipes, the heat exchange efficiency is improved, and the service life is prolonged.

The invention provides a solar heat storage system. The system includes a heat collector and a heat accumulator. A heat accumulator pipeline valve and a heat accumulator pipeline temperature sensor are arranged on the heat accumulator pipeline, and a bypass valve is arranged on the bypass pipeline. Through pipeline valve and bypass pipeline temperature sensor; the central controller automatically controls the opening and closing of the heat accumulator pipeline valve and the bypass pipeline valve according to the temperature of the heat storage material detected and the water temperature entering the heat accumulator. The invention realizes the requirement of intelligent heat storage by controlling the intelligent control of the valves of the heat accumulator pipeline and the bypass pipeline.

The invention provides a heat exchanger. The heat exchanger comprises two headers and heat exchanging tubes which are arranged between the two headers; each heat exchanging tube is a flat heat exchanging tube; fins are arranged in each flat tube; each fin comprises an inclined part; the inclined parts are used for isolating fluid passages to form a plurality of small passages; the same inclined part is provided with a plurality of rows of communication holes; the distance between every two adjacent rows of communication holes are represented by S2; the S2s in different flat heat exchanging tubes are different in value; the farther the distances away from an inlet tube are, the smaller the S2s are. According to the heat exchanger provided by the invention, the distances between every two adjacent rows of communication holes are set to vary along with the distances away from the inlet tube, so that a fluid can flow into the heat exchanging tube which is small in flow resistance and far away from the inlet tube; therefore, the fluid can be uniformly distributed in the heat exchanging tubes, the heat exchange efficiency is improved, and the service life is prolonged.

The invention provides a solar water heater. The solar water heater comprises a heat collector; the heat collector comprises a heat collecting tube; the heat collecting tube comprises a flat tube and fins; the flat tube comprises parallel tube walls and sidewalls; the sidewalls are connected with the end parts of the parallel tube walls; a fluid passage is formed between the sidewalls and the parallel tube walls; inner fins are arranged on the inner wall of a heat absorbing end of the heat collecting tube; the inner ribs are shaped like straight plates; the extension direction of each inner fin is along the direction from the heat absorbing end to a heat releasing end. According to the solar water heater disclosed by the invention, each fluid space formed by the inner fins stays the same with the flowing direction of a fluid, so the flow resistance is reduced, heat absorption is also improved and intensified, the heat absorption efficiency of the solar water heater is improved, and energy is saved.

The invention provides a solar heat collector system, the system includes a heat collector, the heat collector includes a heat collecting tube and a water tank, the heat collecting tube includes a heat absorbing end and a heat releasing end, and the heat releasing end is provided with In the water tank; a water level gauge is set in the water tank, an inlet pipe valve and an outlet pipe valve are respectively arranged on the inlet pipe and the outlet pipe of the water tank, and the water level gauge, the inlet pipe valve and the outlet pipe valve are connected with the data of the central controller; The central controller controls the opening of the inlet pipe valve and the outlet pipe valve according to the water level measured by the water level gauge. The invention automatically controls the water level in the water tank to prevent the water level from being too high or too low, thereby improving the intellectualization of the use of the heat collector.

The invention provides a solar energy heat storage system. The system includes a heat collector and a heat accumulator. A heat accumulator pipeline valve and a heat accumulator pipeline temperature sensor are arranged on the heat accumulator pipeline, and a bypass pipeline is arranged on the bypass pipeline. The temperature sensor of the valve and bypass pipeline; the central controller automatically controls the valve and bypass pipeline of the regenerator according to the detected temperature of the inlet pipe of the regenerator, the temperature in the water tank and the temperature of the bypass pipeline. Closure of road valves, outlet pipe valves. The invention realizes the intelligent control of heat storage by controlling the intelligent control of the heat accumulator pipeline valve, the bypass pipeline valve and the outlet pipe valve.

The invention provides a solar heat storage system, the system includes a heat collector, a heat storage device, and a heat utilization device. Exchange, the heat exchange tube is connected to the heat utilization device through a pipeline; a valve is set on the pipeline between the heat utilization device and the heat accumulator, and the valve is connected to the central controller for data connection; the heat utilization device’s A temperature sensor is set on the inlet pipe, and the temperature of the water entering the heat utilization device is automatically detected through the temperature sensor; the temperature sensor is connected with the data of the central controller; the central controller controls the opening of the valve according to the detected water temperature. The invention monitors the inlet water temperature of the heat utilization device, thereby ensuring constant water temperature of the heat utilization device by controlling the flow rate, and realizes intelligent utilization of the heat storage system.

The invention provides a solar heat storage system, the system includes a heat collector, a heat storage device, and a heat utilization device. Exchange, the heat exchange tube is connected to the heat utilization device through a pipeline; a valve is set on the pipeline between the heat utilization device and the heat accumulator, and the valve is connected to the central controller for data connection; the heat utilization device’s A temperature sensor is set on the inlet pipe, and the temperature of the water entering the heat utilization device is automatically detected by the temperature sensor; the temperature sensor is connected with the data of the central controller; the central controller automatically controls the temperature of the valve according to the detected temperature of the heat storage material. opening. The invention monitors the temperature of the heat storage material, thereby ensuring constant water temperature of the heat utilization device by controlling the flow rate, and realizes intelligent utilization of the heat storage system.

The invention provides a solar water heater. The solar water heater comprises a heat collector, and the heat collector comprises a collector pipe, and the collector pipe comprises a flat pipe and ribs; the flat pipe comprises parallel pipe walls and side walls, and the side walls are connected with the ends of the parallel pipe walls; a fluid channel is formed between the side walls and the parallel pipe walls, and the inner fins are arranged on the inner wall of a heat absorption end of the collector pipe; and the heights of the inner fins are continuously decreased at the heat absorption end in the direction from the middle portion of the cross section of the collector pipe to the two sides. According to the solar water heater, the inner fins are changed in the direction from the middle portion of the cross section of the heat absorption end to the two sides, heat absorption can be further strengthened and can be even, and the service life of the collector pipe is prolonged.

The invention provides a heat exchanger. The heat exchanger comprises two headers and heat exchanging tubes which are arranged between the two headers; each heat exchanging tube is a flat heat exchanging tube; fins are arranged in each flat tube; each fin comprises an inclined part; the inclined parts are used for isolating fluid passages to form a plurality of small passages; the same inclined part is provided with a plurality of rows of communication holes; the distance between every two adjacent rows of communication holes are represented by S2; the S2s in different flat heat exchanging tubes are different in value; the farther the distances away from an inlet tube are, the smaller the S2s are. According to the heat exchanger provided by the invention, the distances between every two adjacent rows of communication holes are set to vary along with the distances away from the inlet tube, so that a fluid can flow into the heat exchanging tube which is small in flow resistance and far away from the inlet tube; therefore, the fluid can be uniformly distributed in the heat exchanging tubes, the heat exchange efficiency is improved, and the service life is prolonged.

The invention provides an intelligent control method of a solar system. The solar system comprises a heat collection device, wherein the heat collection device comprises a heat collection tube and a water tank; the heat collection tube comprises a heat absorption end and a heat release end; the heat release end is arranged in the water tank; a temperature sensor and a water level gauge are arranged in the water tank; an inlet tube and an outlet tube of the water tank are respectively provided with an inlet tube valve and an outlet tube valve; the temperature sensor, water level gauge, inlet tube valve and outlet tube valve are connected with a central control unit through data; and if the temperature of water in the water tank measured by the temperature sensor is lower than the lower limit, the central control unit automatically controls the opening and closing of the inlet tube valve and outlet tube valve according to the water level measured by the monitoring water level gauge. The water level and temperature in the water tank are automatically controlled, thereby preventing the water level from being too high or too low on the premise of satisfying the requirements for water temperature, thereby enhancing the use intelligentization of the heat collection device.

The invention provides a solar thermal collector system which comprises a heat collector, wherein the heat collector comprises a heat collecting pipe and a water tank, the heat collecting pipe comprises a heat absorbing end and a heat releasing end, and the heat release end is arranged in the water tank; an outlet pipe temperature sensor is arranged on the output pipeline of the water tank, an inlet pipe valve and an outlet pipe valve are respectively arranged on the inlet pipe and the outlet pipe of the water tank, and the temperature sensor, the inlet pipe valve and the outlet pipe valve are in data connection with a central controller; and the central controller is used for controlling the opening of the inlet pipe valve and the outlet pipe valve according to temperature measured by the temperature sensor. According to the invention, by detecting the temperature of water of the water outlet pipe of the water tank and controlling the opening of the valves, water output in the water tank can reach a constant temperature.

The invention provides a heat exchanger which comprises two collecting boxes and heat exchange tubes, wherein the heat exchange tubes are arranged between the two collecting boxes; the heat exchange tubes are flat heat exchange tubes; fins are arranged in the flat tubes; the fins comprise inclined parts; a fluid channel is partitioned by the inclined parts into a plurality of small channels; the larger the distance between the flat tubes and an inlet tube is, the larger the lengths h of the bottom sides of the isosceles triangular communication holes in the flat heat exchange tubes are. According to the heat exchanger, as the lengths h of the bottom sides of the isosceles triangular communication holes are changed along with the distance between the flat heat exchange tubes and the inlet tube, fluid can be enabled to flow to the heat exchange tubes with small flow resistance and far away from the inlet tube, the fluid can be uniformly distributed inside the heat exchange tubes, the heat exchange efficiency can be improved, and the service life can be prolonged.

The invention provides a solar heat collector system, the system includes a heat collector, the heat collector includes a heat collecting tube and a water tank, the heat collecting tube includes a heat absorbing end and a heat releasing end, and the heat releasing end is provided with In the water tank; the outlet pipe temperature sensor is set on the outlet pipeline of the water tank, the inlet pipe valve and the outlet pipe valve are respectively arranged on the inlet pipe and the outlet pipe of the water tank, and the temperature sensor, the inlet pipe valve and the outlet pipe valve are connected with the data of the central controller connection; the central controller controls the opening of the inlet pipe valve and the outlet pipe valve according to the temperature measured by the temperature sensor. The invention ensures that the output water in the water tank reaches a constant temperature by detecting the temperature of the water in the water outlet pipe of the water tank and controlling the opening of the valve.

The invention provides a heat exchanger. The heat exchanger comprises two headers and heat exchanging tubes which are arranged between the two headers; each heat exchanging tube is a flat heat exchanging tube; fins are arranged in each flat tube; each fin comprises an inclined part; the inclined parts are used for isolating fluid passages to form a plurality of small passages; the included angle formed by the adjacent inclined parts is represented by A; the included angles A formed by the inclined parts in different flat heat exchanging tubes are different in value; the farther the distance away from an inlet tube is, the larger the included angle A formed by the inclined parts in the flat heat exchanging tubes is. According to the heat exchanger provided by the invention, the included angle A is set to vary along with the distance away from the inlet tube, so that a fluid can flow into the heat exchanging tube which is small in flow resistance and far away from the inlet tube; therefore, the fluid can be uniformly distributed in the heat exchanging tubes, the heat exchange efficiency is improved, and the service life is prolonged.

The invention provides a heat exchanger. The heat exchanger comprises two headers and heat exchanging tubes which are arranged between the two headers; each heat exchanging tube is a flat heat exchanging tube; fins are arranged in each flat tube; each fin comprises an inclined part; the inclined parts are used for isolating fluid passages to form a plurality of small passages; each inclined part is provided with communication holes; the communication holes in different flat heat exchanging tubes are different in area; the farther the distance from each communication hole to an inlet tube is, the larger the area of the communication hole in the flat tube is. According to the heat exchanger provided by the invention, the area of each communication hole is set to vary along with the distance away from the inlet tube, so that a fluid can flow into the heat exchanging tube which is small in flow resistance and far away from the inlet tube; therefore, the fluid can be uniformly distributed in the heat exchanging tubes, the heat exchange efficiency is improved, and the service life is prolonged.

The invention provides a solar water heater. The solar water heater comprises a water tank, a transparent glass plate, a thermal insulating layer, a heat-absorbing film and a heat collector; the heat collector comprises a collector pipe that comprises a heat-absorbing end and a heat-release end; the heat-release end is arranged in the water tank; the heat-absorbing film is arranged on one surface, facing the sun, of the heat-absorbing end of the collector pipe; the transparent glass plate covers an upper portion of the heat-absorbing end of the collector pipe; and the thermal insulating layer is arranged between the heat-absorbing end and the transparent glass plate. The solar water heater is provided with such components as the transparent glass plate, the thermal insulating layer, the heat-absorbing film and a baseplate, and therefore, the solar energy utilization efficiency of the water heater is improved and energy sources are saved.

The invention provides a solar water heating system water delivery pipe thawing device and a solar water heater, comprising a heat pipe, the heat pipe includes an evaporation end and a condensation end, and the condensation end is arranged in the water delivery pipe. The present invention applies heat pipes to the thawing of solar pipelines for the first time, reduces circulation pumps, avoids the unreliability of pump driving to increase system operation, and saves costs, and the thawing device is an independent device that can be installed and disassembled independently.