CN203928452U - The solar water heater system of saving water and energy - Google Patents

Abstract

The utility model relates to a water-saving and energy-saving solar water heater system, which solves the defect that the existing solar water heater system needs to discharge cold water before each use, resulting in the waste of a large amount of water. The technical solution of the utility model is a solar water heater system, which includes a water storage tank, a cold water pipe, a hot water pipe, a controller, and a mixing water tank. The solar water heater system with the above structure effectively avoids the waste of water resources caused by the discharge of cold water when the solar water heater is in use, reduces the mixing of cold water and hot water when filling the water storage tank, and improves the heating rate. Convenient and practical, low cost.

Description

Water saving and energy saving solar water heater system

technical field

The utility model relates to a water-saving and energy-saving solar water heater system, in particular to a solar water heater system capable of saving water and energy.

Background technique

Solar water heater is a device that converts solar energy into heat energy to heat cold water. Now solar water heater has become an important bathing tool in life. Currently commonly used solar water heaters are basically installed on the top of buildings or houses. Because of this installation location, the upper water pipe and the water outlet pipe are often very long, and a large part of them will be exposed to the outside. When the user turns on the water heater, it is usually necessary to discharge the residual cold water in the water pipe so that the hot water can be used normally. Like this just wasted a large amount of water resources, caused unnecessary waste.

In addition, the water storage tank of most existing solar water heaters is just a simple box. When cold water is poured into the water tank, it will cause the mixing of cold water and hot water, thereby reducing the temperature of the hot water in the water storage tank. Heating, which reduces the heating rate, is not conducive to the efficient use of solar energy.

Contents of the invention

The utility model provides a water-saving and energy-saving solar water heater system to solve the problem that the existing solar water heater system needs to discharge cold water before each use, resulting in the waste of a large amount of water, and at the same time, it can reduce the cold water and hot water when filling the water storage tank contact, keep the temperature of the water in the storage tank from dropping suddenly, thus speeding up the heating rate of the water heater.

The technical scheme of the utility model is: the water-saving and energy-saving solar water heater system includes a water storage tank 1, a cold water pipe 6, a hot water pipe 7 and a controller 16, and also includes a mixing water tank 8; the upper part of the water storage tank 1 is provided with an exhaust Hole 2, overflow pipe 3, and water temperature and water level measurement and control contact 5. A partition plate 23 is arranged inside the water storage tank 1. The partition plate 23 divides the water storage tank 1 into an upper hot water tank 21 and a lower cold water tank 22. The plate 23 is bent along the midline, one end is connected with the wall of the water storage tank, and the other end divides the heat collecting pipe water inlet 24 of the heat collecting pipe 25 into two parts; one end of the cold water pipe 6 is connected with the water pump, and the other end is divided into a water inlet pipe 61 and a water pipe 62. The water inlet pipe 61 is provided with a solenoid valve C13, the other end of which is connected to the water storage tank 1; The hot water pipe B72 connected to the water tank 8 is provided with an electromagnetic B12; the water temperature measurement and control contact 10 and the exhaust port 9 are arranged in the mixing water tank 8, and the mixing water tank 8 is connected to the water pipe 62 through the electromagnetic valve A11. The end of the water pipe 62 is connected to the water mixing valve 15; the solenoid valve A11, solenoid valve B12, solenoid valve C13, water temperature and water level measurement and control contact 5 and water temperature measurement and control contact 10 are all connected to the controller 16 through signal lines.

The controller 16 of the water-saving and energy-saving solar water heater system includes a single-chip microcomputer, a power supply, a keyboard, a display screen, a temperature acquisition circuit and a water level detection circuit.

The cold water tank 22 of the water-saving and energy-saving solar water heater system is provided with an electric heater 4, and the electric heater 4 is connected with the controller 16 through a signal line.

The usage method of the present utility model is: controller 16 comprises single-chip microcomputer, power supply circuit, keyboard circuit, display circuit, temperature collection circuit and water level detection circuit, and its program pre-setting is completed, monitors the state of whole solar water heating system. When the water temperature and water level measuring contact 5 detects that the water level in the water storage tank 1 is insufficient, the controller 16 starts the water pump, and supplies cold water to the water storage tank 1 through the cold water pipe 6 and the water inlet pipe 61 . The cold water enters the cold water tank 22 and enters the heat collector through the lower part of the water inlet 24 of the heat collecting pipe. Since the partition plate 23 separates the cold water tank 22 from the hot water tank 21, the amount of cold water and the heat collector and the hot water tank can be reduced. 21 The contact of hot water prevents the mixing of hot and cold water and lowers the water temperature.

When the user uses the water heater, the controller 16 controls the solenoid valve A11 to close, the solenoid valve B12 to open, the hot water in the pipeline that has not been cooled for a long time enters the mixing water tank 8 through the hot water pipe B72, and the water temperature measurement and control contact 10 in the mixing water tank 8 monitors and enters the water heater. The water temperature in the water mixing tank 8, once the water temperature reaches the set temperature, is no longer cold water, the controller 16 controls the solenoid valve A11 to open, and the solenoid valve B12 is closed. At this time, the user opens the water mixing valve 15, and the hot water can be used immediately. Simultaneously, the cold water in the water mixing tank 8 also enters the shower 17 along with the cold water in the water pipe 62, so as to achieve the function of adjusting the water temperature. Due to the timely discharge of the cold water in the mixing tank 8, the next use will not be affected by the accumulation of water in the mixing tank 8.

When the cloudy day continues and the solar energy is insufficient, the controller 16 controls the electric heater 4 to implement electric heating, which ensures the use of the water heater when the solar energy is insufficient.

The beneficial effects of the utility model are: the utility model effectively avoids the waste of water resources caused by the discharge of cold water when the solar water heater is used through the setting of the mixing water tank 8 and the partition plate 23, and reduces the difference between cold water and hot water when injecting water into the water storage tank. The mixing of water, in turn, increases the heating rate. Convenient and practical, low cost.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the structural representation of the water storage tank of the present utility model;

Fig. 3 is the schematic diagram of the controller of the present utility model;

Fig. 4 is a water level detection circuit diagram of the present utility model;

Fig. 5 is a temperature acquisition circuit diagram of the utility model.

In the figure: 1-water storage tank, 2-vent hole, 3-overflow pipe, 4-electric heater, 5-water temperature and water level measurement and control contact, 6-cold water pipe, 7-hot water pipe, 8-mixing water tank, 9 -Water temperature measurement and control contact, 10-exhaust port, 11-solenoid valve A, 12-solenoid valve B, 13-solenoid valve C, 14-shower, 15-mixing valve, 16-controller, 21-hot water Case, 22-cold water tank, 23-partition plate, 24-heat collecting pipe water inlet, 25-heat collecting pipe, 61-water inlet pipe, 62-water pipe, 71-hot water pipe A, 72-hot water pipe B.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.

Embodiment 1: As shown in Figure 1-5, this water-saving and energy-saving solar water heater system includes a water storage tank 1, a cold water pipe 6, a hot water pipe 7 and a controller 16, and also includes a mixing water tank 8; the upper part of the water storage tank 1 There are vent holes 2, overflow pipes 3, and water temperature and water level measuring and control contacts 5. A partition plate 23 is arranged inside the water storage tank 1. The partition plate 23 divides the water storage tank 1 into an upper hot water tank 21 and a lower cold water tank. 22. The partition plate 23 is bent along the middle line, one end is connected with the water storage tank wall, and the other end divides the heat collecting pipe water inlet 24 of the heat collecting pipe 25 into two parts; one end of the cold water pipe 6 is connected with the water pump, and the other end is divided into a water inlet pipe 61 and the water pipe 62, the water inlet pipe 61 is provided with a solenoid valve C13, the other end of which is connected with the water storage tank 1; A71 and the hot water pipe B72 connected to the mixing tank 8, the hot water pipe B72 is provided with an electromagnetic B12; the mixing tank 8 is provided with a water temperature measurement and control contact 10 and an exhaust port 9, and the mixing tank 8 is connected to the water pipe through the solenoid valve A11 62 is connected, and the end of the water pipe 62 is connected to the water mixing valve 15; the solenoid valve A11, solenoid valve B12, solenoid valve C13, water temperature and water level measurement and control contact 5 and water temperature measurement and control contact 10 are all connected to the controller 16 through signal lines.

The controller 16 of the solar water heater system includes a single-chip microcomputer, a power supply circuit, a keyboard circuit, a display circuit, a temperature acquisition circuit and a water level detection circuit.

The temperature acquisition circuit is shown in Figure 5, and the connection circuit of node 1 is shown in the figure. First, the thermistor RT103 is selected as the temperature sensing element in the design to convert the temperature signal into a voltage signal; then, the voltage signal is input to the analog switch device CD4067D, and the four control terminals of ABCD can be configured through the MCU to gate the input signal. And it is output by its common terminal, that is, pin 1; finally, the signal output by the analog switch is input to the AD input terminal of the MCU after RC filtering and limiting processing, and the node temperature acquisition is realized.

As shown in Figure 4, the water level detector circuit is composed of a water level detection sensor, an intermittent oscillator, an LED flashing indication circuit, an audio oscillator, and an audio amplifier circuit.

Embodiment 2: As shown in Figure 1-3, this water-saving and energy-saving solar water heater system includes a water storage tank 1, a cold water pipe 6, a hot water pipe 7 and a controller 16, and also includes a mixing water tank 8; the upper part of the water storage tank 1 There are vent holes 2, overflow pipes 3, and water temperature and water level measuring and control contacts 5. A partition plate 23 is arranged inside the water storage tank 1. The partition plate 23 divides the water storage tank 1 into an upper hot water tank 21 and a lower cold water tank. 22. The partition plate 23 is bent along the middle line, one end is connected with the water storage tank wall, and the other end divides the heat collecting pipe water inlet 24 of the heat collecting pipe 25 into two parts; one end of the cold water pipe 6 is connected with the water pump, and the other end is divided into a water inlet pipe 61 and the water pipe 62, the water inlet pipe 61 is provided with a solenoid valve C13, the other end of which is connected with the water storage tank 1; A71 and the hot water pipe B72 connected to the mixing tank 8, the hot water pipe B72 is provided with an electromagnetic B12; the mixing tank 8 is provided with a water temperature measurement and control contact 10 and an exhaust port 9, and the mixing tank 8 is connected to the water pipe through the solenoid valve A11 62 is connected, and the end of the water pipe 62 is connected to the water mixing valve 15; the solenoid valve A11, solenoid valve B12, solenoid valve C13, water temperature and water level measurement and control contact 5 and water temperature measurement and control contact 10 are all connected to the controller 16 through signal lines.

The controller 16 of the solar water heater system includes a single-chip microcomputer, a power supply circuit, a keyboard circuit, a display circuit, a temperature acquisition circuit and a water level detection circuit.

The cold water tank 22 of the solar water heater system is provided with an electric heater 4, and the electric heater 4 is connected with the controller 16 through a signal line.

When the cloudy day continues and the solar energy is insufficient, the controller 16 controls the electric heater 4 to implement electric heating, which ensures the use of the water heater when the solar energy is insufficient.

The specific implementation of the utility model has been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned implementation. Make various changes below.

Claims (3)

1. the solar water heater system of saving water and energy, comprises storage tank (1), cold water pipe (6), hot-water line (7) and controller (16), it is characterized in that: also comprise mixed water tank (8);

Described storage tank (1) top is provided with steam vent (2), overflow pipe (3) and water-temperature water-level observing and controlling contact (5), storage tank (1) inside is provided with demarcation strip (23), storage tank (1) is divided into the boiler (21) on top and the cold water storage cistern (22) of bottom by demarcation strip (23), demarcation strip (23) is along its center line bending, one end connects with water storage tank wall, and the thermal-collecting tube water inlet (24) of thermal-collecting tube (25) is separated into two parts by the other end;

Cold water pipe (6) one end is connected with water pump, and the other end is divided into water inlet pipe (61) and water pipe (62), and water inlet pipe is provided with magnetic valve C(13 on (61)), its other end is connected with storage tank (1);

Hot-water line (7) one end is connected with storage tank (1), the other end be divided into and mix water valve (15) connect hot-water line A(71) with the hot-water line B(72 being connected with mixed water tank (8)), hot-water line B(72) on be provided with magnetic valve B(12);

In mixed water tank (8), be provided with water temperature observing and controlling contact (10) and exhaust outlet (9), mixed water tank (8) is by magnetic valve A(11) be connected with water pipe (62), water pipe (62) end is connected with mixed water valve (15);

Described magnetic valve A(11), electromagnetism B(12), magnetic valve C(13), water-temperature water-level observing and controlling contact (5) and water temperature observing and controlling contact (10) be all connected with controller (16) by holding wire.

2. the solar water heater system of saving water and energy according to claim 1, is characterized in that: described controller (16) comprises single-chip microcomputer, keyboard, display screen, temperature collection circuit and water level detection circuit.

3. the solar water heater system of saving water and energy according to claim 2, is characterized in that: described cold water storage cistern (22) is provided with electric heater (4), and electric heater (4) is connected with controller (16) by holding wire.