CN204494872U - A kind of heat-preserving water tank for solar water heater with temperature difference electricity generation device - Google Patents

Abstract

The utility model relates to a thermal insulation water tank for a solar water heater with a thermoelectric power generation device, which mainly includes a thermal insulation water tank, a heat collection tube, a storage battery, a controller and a thermoelectric power generation module. The heat collection tubes are arranged in parallel and one end is inserted into the lower part of the thermal insulation water tank. There is a continuous cylindrical channel in the center. The thermoelectric power generation module is cylindrical. The cold end surface of the battery is in contact with the cold water pipe, and the hot end surface is in contact with the hot water in the thermal insulation water tank. The electric energy produced by the thermoelectric power generation module through the temperature difference is stored in the battery. The device is connected to the thermoelectric power generation module through wires. The device is simple to operate, green and energy-saving, safe and efficient, and effectively solves the problem of energy waste caused by the evaporation of hot water.

Description

A solar water heater insulation water tank with a thermoelectric power generation device

technical field

The utility model relates to the technical field of solar energy, and more specifically relates to a solar water heater insulation water tank with a thermoelectric power generation device.

Background technique

In China, solar water heaters have been very popular. Solar water heaters use solar energy to heat water, which is energy-saving and environmentally friendly, and is in line with the direction of green development. However, we know that users only need to use hot water up to 40-50 degrees, while solar water heaters can heat water to 70-90 degrees, or even higher, to evaporate the water in solar water heaters, thus causing a lot of damage. of energy wasted. At the same time, when it is rainy or the sunlight is weak in winter, it is often difficult for users to use water, so it is difficult for solar water heaters to meet the needs of users.

Contents of the invention

1. Technical problems to be solved

In order to solve the above technical problems, the utility model provides a solar water heater insulation water tank with a thermoelectric power generation device. This device is simple to operate, green and energy-saving, safe and efficient, and effectively solves the problem of energy waste caused by the evaporation of hot water.

2. Technical solution

The technical solution of the utility model to solve the technical problems is as follows: a solar water heater heat preservation water tank with a thermoelectric power generation device, mainly including a heat preservation water tank, a heat collection tube, a storage battery, a controller and a thermoelectric power generation module, the heat collection pipes are arranged in parallel and one end is inserted into the heat preservation water tank In the lower part of the water tank, there is a continuous cylindrical channel in the center of the thermal insulation water tank. The thermoelectric power generation module is cylindrical. It is set in the channel reserved for the thermal insulation water tank. Through this channel, the cold end surface of the thermoelectric power generation module contacts the cold water pipe, and the hot end surface contacts the hot water in the thermal insulation water tank. The electric energy produced by the thermoelectric power generation module through the temperature difference is stored in the battery, and the battery and the controller are arranged on the right side of the thermal insulation water tank. In the lower part of the surface, the storage battery and the controller are connected with the thermoelectric power generation module through wires.

The thermal insulation water tank is cylindrical, and there is a continuous cylindrical channel in the center of the thermal insulation water tank. There are temperature sensors, first water level sensors, second water level sensors and electric heating blocks inside the thermal insulation water tank. There are user hot water pipes, cold water pipes, solenoid valve 1, cold water supply pipes and solenoid valve 2 outside. The temperature sensor and the first water level sensor are all set within the height range from the bottom to 1/5 of the two ends of the heat preservation water tank, and the second The water level sensor is set within the height range from 5/6 of the height at both ends of the heat preservation water tank to the top of the heat preservation water tank. The wire is connected to the controller; the cold water pipe passes through the channel reserved by the thermoelectric power generation module, and there are two solenoid valves, which are respectively installed at the two ports where the cold water pipe enters and passes out of the heat preservation water tank; the cold water supply pipe is arranged on the side of the heat preservation water tank The 5/6 height of the end is within the height range of the top of the thermal insulation water tank, and the solenoid valve two is arranged at the interface of the cold water upper water pipe and the thermal insulation water tank.

Both the temperature sensor and the first water level sensor will transmit the received signal to the controller; when the temperature of the hot water in the heat preservation water tank reaches 65 degrees, the controller will open the solenoid valve 1 and open the thermoelectric power generation module at the same time, Let the cold water flow through the cold water pipe, and the thermoelectric power generation module will generate electric energy due to the temperature difference between the two ends, and store the electric energy in the battery. When the water temperature is lower than 55 degrees, the controller will always close the solenoid valve 1 and turn off the thermoelectric power generation at the same time module; when the water in the insulation water tank is lower than the first water level sensor, the controller will open the solenoid valve two, then the cold water will flow into the insulation water tank through the cold water supply pipe, and when the water in the insulation water tank reaches the second water level sensor , the controller will always close the solenoid valve 2; and in rainy days, when the user needs hot water, he can turn on the controller, and the controller will turn on the electric heating block to heat the water in the heat preservation water tank. When the water temperature exceeds 40 degrees, then The electric heating block will be turned off.

The thermoelectric power generation module is cylindrical, and it is arranged in the cylindrical channel reserved in the thermal insulation water tank. There is also a cylindrical channel in the center, and the cold water pipe just passes through the channel. The thermoelectric power generation module mainly includes a semiconductor thermoelectric generator. Electric appliance, cold end surface and hot end surface, the cold end surface and hot end surface are respectively set on the inner cylindrical surface and outer cylindrical surface of the semiconductor thermoelectric generator, the cold end surface is in contact with the cold water pipe as a low temperature source, and the hot end surface is in contact with the hot water in the heat preservation water tank , as a high temperature source, the electric energy generated by the semiconductor thermoelectric generator due to the high and low temperature difference is stored in the battery, and the thermoelectric power generation module is connected with the controller and the battery through wires.

The storage battery is used to provide power for the controller, temperature sensor, water level sensor, electric heating block, solenoid valve, etc. The storage battery is also equipped with a backup battery. When they consume light energy, the backup battery is used to power the controller , temperature sensor, water level sensor, electric heating block, solenoid valve to provide power.

The electric heating block is used to heat the water in the heat preservation water tank, and the electric heating block is connected with the controller and the storage battery through wires.

3. Beneficial effects

The beneficial effect of the utility model is to provide a solar water heater thermal insulation water tank with a thermoelectric power generation device. The device is simple to operate, green and energy-saving, safe and efficient, and effectively solves the problem of energy waste caused by the evaporation of hot water.

Description of drawings

Fig. 1 is the structural representation of the utility model

Fig. 2 is the left elevation view of the utility model insulation water tank

Fig. 3 is A-A sectional view of the utility model

Fig. 4 is the utility model B-B sectional view

In the figure: 1-insulated water tank; 2-heat collecting tube; 3-battery; 4-controller; 5-temperature sensor; 6-first water level sensor; 7-second water level sensor; 8-electric heating block; 9-user hot water pipe; 10-cold water pipe; 11-solenoid valve 1; 12-cold water supply pipe; 13-solenoid valve 2; 14-thermoelectric power generation module; Cold end.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings and examples.

An insulated water tank for a solar water heater with a thermoelectric power generation device, mainly comprising an insulated water tank 1, a heat collecting tube 2, a storage battery 3, a controller 4 and a thermoelectric power generation module 14, the heat collecting tubes 2 are arranged in parallel and one end is inserted into the lower part of the insulated water tank 1, and the heat preservation There is a continuous cylindrical channel in the center of the water tank 1. The thermoelectric power generation module 14 is cylindrical. Passing through this channel, the cold end surface 17 of the thermoelectric power generation module 14 contacts the cold water pipe 10, and the hot end surface 16 contacts the hot water in the thermal insulation water tank 1. The electric energy produced by the thermoelectric power generation module 14 through the temperature difference is stored in the battery 3, and the battery 3 and The controller 4 is arranged on the lower part of the right side of the thermal insulation water tank 1, and the storage battery 3 and the controller 4 are connected with the thermoelectric power generation module 14 through wires.

The thermal insulation water tank 1 is cylindrical, and there is a continuous cylindrical channel in the center of the thermal insulation water tank 1. The thermal insulation water tank 1 has a temperature sensor 5, a first water level sensor 6, a second water level sensor 7 and an electric heating block. 8. There are user hot water pipes 9, cold water pipes 10, solenoid valve 1 11, cold water supply pipe 12 and solenoid valve 2 13 outside the heat preservation water tank 1. The temperature sensor 5 and the first water level sensor 6 are all arranged in the heat preservation water tank 1. Within the height range from the bottom of both ends to 1/5, the second water level sensor 7 is set within the height range between the 5/6 height of the two ends of the thermal water tank 1 to the top of the thermal water tank 1, the temperature sensor 5, the first water level sensor 6. The second water level sensor 7, solenoid valve one 11 and solenoid valve two 13 are all connected to the controller 4 through wires; the cold water pipe 10 passes through the channel reserved by the thermoelectric power generation module 14, and there are two solenoid valves one 11, They are respectively arranged at the two ports where the cold water pipe 10 enters and passes out of the heat preservation water tank 1; It is arranged at the interface between the cold water upper water pipe 12 and the thermal insulation water tank 1.

The thermoelectric power generation module 14 is cylindrical, and it is arranged in the cylindrical channel reserved by the thermal insulation water tank 1. There is also a cylindrical channel in the center, and the cold water pipe 10 just passes through this channel. The thermoelectric power generation module 14 mainly includes semiconductor temperature difference Generator 15, cold end face 17 and hot end face 16, cold end face 17 and hot end face 16 are respectively arranged on the inner cylindrical surface and the outer cylindrical surface of semiconductor thermoelectric generator 15, and cold end face 17 is in contact with cold water pipe 10, as low temperature source, heat The end face 16 is in contact with the hot water in the heat preservation water tank 1, and as a high temperature source, the electric energy generated by the semiconductor thermoelectric generator 15 due to the temperature difference between high and low temperatures is stored in the battery 3, and the thermoelectric power generation module 14 is connected with the controller 4 and the battery 3 through wires.

When the above-mentioned device is in operation, the temperature sensor 5, the first water level sensor 6 and the second water level sensor 7 will all transmit the received signal to the controller 4; when the temperature of the hot water in the heat preservation water tank 1 reaches 65 degrees, The controller 4 will open the solenoid valve 11, and open the thermoelectric power generation module 14 at the same time, so that cold water flows through the cold water pipe 10, and then the cold end surface 17 of the thermoelectric power generation module 14 contacts the cold water pipe 10 as a low temperature source, and the hot end surface 16 and the heat preservation water tank 1 in contact with hot water, as a high temperature source, the semiconductor thermoelectric generator 15 will generate electric energy due to the temperature difference between the two ends, and store this electric energy in the battery 3, when the water temperature is lower than 55 degrees, the controller 4 will always turn off the electromagnetic Valve one 11, and close the thermoelectric power generation module 14 at the same time; when the water in the heat preservation water tank 1 is lower than the first water level sensor 6, the controller 4 will open the solenoid valve two 13, and then the cold water will flow into the heat preservation water tank 1 through the cold water supply pipe 12 , and when the water in the heat preservation water tank 1 reaches the second water level sensor 7, the controller 4 will always close the solenoid valve 2 13; and when the user needs to use hot water in cloudy and rainy days, the controller 4 can be turned on, and the controller 4. Turn on the electric heating block 8 to heat the water in the thermal water tank 1, and when the water temperature exceeds 40 degrees, the electric heating block 8 will be closed.

The utility model provides a thermal insulation water tank for a solar water heater with a thermoelectric power generation device. The heat is used to generate electricity, which is energy-saving and environmentally friendly, and improves the utilization rate of the solar water heater. Furthermore, the electric heating block 8 is used to heat the water in the thermal insulation water tank 1, which also solves the problem that users cannot use hot water in rainy days.

Claims (6)

1. the heat-preserving water tank for solar water heater with temperature difference electricity generation device, mainly comprise attemperater, thermal-collecting tube, battery, controller and temperature-difference power generation module, the bottom of attemperater is inserted in the arranged in parallel and one end of thermal-collecting tube, a through cylindrical channel is left at the center of attemperater inside, temperature-difference power generation module is columniform, it is arranged in the reserved passage of attemperater, a columniform passage is also left at temperature-difference power generation module center, cold water pipe is through this passage, the cold junction face of temperature-difference power generation module contacts with cold water pipe, hot water contacts in face, hot junction and attemperater, the electrical power storage that temperature-difference power generation module is produced by the temperature difference is in battery, battery and controller are arranged on the bottom of attemperater right flank, battery is connected with temperature-difference power generation module by wire with controller.

2. a kind of heat-preserving water tank for solar water heater with temperature difference electricity generation device according to claim 1, it is characterized in that: described attemperater is columniform, a through cylindrical channel is left at the center of attemperater inside, there is temperature inductor the inside of attemperater, first water level sensor, second water level sensor and electrical heating block, there is user's hot-water line the outside of attemperater, cold water pipe, magnetic valve one, cold water upper hose and magnetic valve two, temperature inductor and the first water level sensor are all arranged on the bottom at attemperater two ends in 1/5 altitude range, second water level sensor is arranged on 5/6 of attemperater two ends and highly arrives in the altitude range between attemperater top, temperature inductor, first water level sensor, second water level sensor and magnetic valve one are all be connected with controller by wire with magnetic valve two, the passage that cold water pipe is reserved through temperature-difference power generation module, magnetic valve one has two, is separately positioned on two ports that cold water pipe entered, passed attemperater, cold water upper hose is arranged within 5/6 of attemperater side end highly arrives the altitude range at attemperater top, and magnetic valve two is arranged on the interface of cold water upper hose with attemperater.

3. a kind of heat-preserving water tank for solar water heater with temperature difference electricity generation device according to claim 2, is characterized in that: the signal received all can be passed to controller by described temperature inductor, the first water level sensor and the second water level sensor; When the hot water temperature in attemperater reaches 65 degree, controller can open magnetic valve one, open temperature-difference power generation module simultaneously, cold water is made to flow through cold water pipe, then temperature-difference power generation module will produce electric energy because of the two ends temperature difference, and by these electrical power storage in battery, when water temperature is lower than 55 degree, controller can shut electromagnetic valve one all the time, closes temperature-difference power generation module simultaneously; When the water in attemperater is lower than the first water level sensor, controller can open magnetic valve two, then cold water just flows in attemperater through cold water upper hose, and when the water in attemperater reaches the second water level sensor, and controller can shut electromagnetic valve two all the time; And when overcast and rainy, when user needs to use hot water, controller can be opened, controller opens electrical heating block is to the water heating in attemperater, and when water temperature is more than 40 degree, then electrical heating block will be closed.

4. a kind of heat-preserving water tank for solar water heater with temperature difference electricity generation device according to claim 1, it is characterized in that: described temperature-difference power generation module is columniform, it is arranged in the reserved cylindrical channel of attemperater, a columniform passage is also left at its center, cold water pipe is just through this passage, temperature-difference power generation module mainly comprises semiconductor thermoelectric generator, cold junction face and face, hot junction, cold junction face and face, hot junction are located at inner cylinder face and the external cylindrical surface of semiconductor thermoelectric generator respectively, the cold water pipe contact of cold junction face, as cold temperature source, hot water contacts in face, hot junction and attemperater, as high temperature source, the electrical power storage that semiconductor thermoelectric generator produces due to the high/low temperature temperature difference is in battery, temperature-difference power generation module is connected with battery with controller by wire.

5. a kind of heat-preserving water tank for solar water heater with temperature difference electricity generation device according to claim 1, it is characterized in that: described battery is used to provide electric power to controller, temperature inductor, water level sensor, electrical heating block, magnetic valve, battery is also provided with reserve battery, when they deplete electric energy, reserve battery provides electric power to controller, temperature inductor, water level sensor, electrical heating block, magnetic valve.

6. a kind of heat-preserving water tank for solar water heater with temperature difference electricity generation device according to claim 2, is characterized in that: described electrical heating block be used to in attemperater water heating, electrical heating block is connected with battery with controller by wire.