CN203052990U - Multifunctional energy-saving water boiler - Google Patents

Abstract

The utility model discloses a multifunctional energy-saving water boiler, and relates to a water boiler. The multifunctional energy-saving water boiler comprises an air source heat pump device and a boiling water treatment device which are connected through a condenser, wherein the air source heat pump device comprises a compressor, a condenser, a throttle valve and a fan; the boiling water treatment device comprises a hot water tank and a boiling water tank; the boiling water tank is positioned at the upper part of the hot water tank; and the boiling water tank is internally provided with a heating water tank and a heat preservation water tank. The multifunctional energy-saving water boiler provided by the utility model is simple and reasonable in structure, high in energy utilization and low in circuit load; electric energy is used as drive by utilizing a heat pump technology to take heat from a low-grade environment to heat drinking water, so that electric energy consumption is lowered; and a hot water and boiling water outlet is designed in consideration of people's water drinking habits, so that the use function of the water boiler is expanded, and a part of waste heat is recovered; and an evaporator in a device can be used as an air conditioner to provide cooling capacity in summer, so that the energy saving performance of the device is further improved.

Description

Multifunctional energy-saving water boiler

technical field

The utility model relates to a water boiler, in particular to a multifunctional energy-saving water boiler.

Background technique

China is the most populous country in the world, and the demand for daily drinking water is huge. With the improvement of people's living standards, the demand for sanitary hot water, especially drinking hot water, has increased significantly. At present, there are mainly two forms of drinking water equipment. One is to supply drinking water to the boiler room. Although this form directly uses primary energy, it needs to set up a special boiler room and a special person to take care of it, and an annual inspection is required to prevent pollution from waste gas and waste residue. Both are more serious, and the thermal efficiency is relatively low. The second type is the electric heating water boiler. Although this method is clean, fast, convenient, and flexible to use, when the electric heating water boiler is running, it converts electrical energy into heat energy and then uses it to heat cold water. Electric energy is converted into low-grade heat energy, resulting in relatively low thermal efficiency, and there are also disadvantages such as high heating power and high circuit load. In addition, since people are used to drinking warm water, they need to cool the boiled water in the air naturally after getting the boiled water, which greatly wastes energy and time.

The above-mentioned problems have all caused the waste of energy, have limited the running energy-saving performance of water boiler. Today, when energy is increasingly scarce and the country advocates energy conservation, this energy waste problem cannot be underestimated and needs to be properly resolved.

Contents of the invention

Aiming at the deficiencies of the existing technology, the purpose of this utility model is to provide a multifunctional energy-saving water boiler with simple and reasonable structure, high energy utilization rate and small circuit load. The heat heats the drinking water, which effectively reduces the power consumption; considering people's drinking habits, the warm water outlet is designed, which expands the use function of the water boiler and recovers part of the waste heat; the evaporator in the device can also be used as an air conditioner to provide cooling in summer. To further improve the energy saving performance of the device.

The technical solution of the utility model is realized in the following way: a multifunctional energy-saving water boiler includes an air source heat pump device and a boiling water treatment device, the two are connected through a condenser, wherein the air source heat pump device includes a compressor, a condenser, Throttle valve and fan, the boiling water treatment device is composed of a warm water tank and a boiling water tank, the boiling water tank is located on the upper part of the warm water tank, a heating water tank and a heat preservation water tank are arranged in the heat preservation water tank, and the heat preservation water tank is located in the heat preservation water tank The upper part; the cold water inlet of the boiling water tank is connected with the cold water outlet of the warm water tank through a pipe, the boiling water outlet on the heat preservation water tank is provided with a boiling water faucet, and the warm water outlet of the heat preservation water tank is connected with the warm water faucet provided on the warm water tank through a heat exchanger tube; the heating water tank The boiled water outlet is connected to the boiled water inlet of the heat preservation water tank through a solenoid valve; a blowdown valve is arranged at the sewage outlet of the heat preservation water tank; an exhaust hole is respectively arranged on the upper part of the heat water tank and the heat preservation water tank; The air source heat pump device also includes an evaporator, and the evaporator, compressor, condenser and throttling valve are connected through pipelines to form a vapor compression heat pump circulation loop.

A first water level detection device is provided in the heating water tank, which is used to detect whether the water level in the heating water tank reaches a set value, and then control the water intake and drainage of the heating water tank.

A second water level detection device is arranged in the heat preservation water tank, which is used to detect whether the water level in the heat preservation water tank reaches a set value, and then the water intake and drainage of the heat preservation water tank.

A first temperature-sensing probe is provided on the side wall of the heating water tank to detect whether the temperature of the boiling water in the heating water tank reaches a set temperature, and then control the working state of the first electric heating tube.

A second temperature-sensing probe is provided on the side wall of the heat-retaining water tank to detect whether the temperature of the boiling water in the heat-retaining water tank reaches the set temperature, and then control the working state of the second electric heating tube.

A first electric heating tube for heating the water in the heating water tank is also arranged on the side wall of the heating water tank.

A second electric heating pipe for heating the water in the heat preservation water tank is also arranged on the side wall of the heat preservation water tank.

The warm water tank is a pressurized water tank, and the boiling water branch of the heat preservation water tank enters the heat exchanger tube in the warm water tank to exchange heat with tap water to be heated, and then flows out from the warm water faucet.

The evaporator is an air-cooled evaporator, placed indoors or outdoors or placed indoors and outdoors respectively, and then the two evaporators are connected in parallel. The evaporator is a device that can absorb heat in summer and be used as an air conditioner to provide cooling.

The beneficial effects of the utility model:

The utility model does not have the exhaust gas and waste residue pollution of ordinary boiler water heaters, and it also consumes less power than traditional electric heating water boilers, has a high degree of automation, and does not need special personnel to take care of it. Small and other advantages, in response to the national call for energy conservation and emission reduction. In addition, the evaporator in the device of the utility model can also be used as an air conditioner to provide cooling capacity in summer, which further improves the energy saving performance of the device. The utility model is suitable for large and medium-sized public building places such as stations, hotels and schools, and has the advantages of simple structure, environmental protection, safety, energy saving and reliability.

Description of drawings

Fig. 1 is a structural schematic diagram of a multifunctional energy-saving water boiler according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of a boiling water tank according to an embodiment of the present invention;

In the figure, 1, evaporator 2, compressor 3, condenser 4, throttle valve 5, fan 6, water inlet solenoid valve 7, warm water tank 8, heating water tank 9, first water level detection device 10, first exhaust Hole 11, first electric heating tube 12, first temperature sensing probe 13, solenoid valve 14, boiling water tank 15, second water level detection device 16, heat preservation water tank 17, second electric heating tube 18, boiling water faucet 19, second row Air hole 20, heat exchanger tube 21, warm water faucet 22, drain valve 23, second temperature sensing probe 24, boiling water treatment device 25, air source heat pump device.

Detailed ways

Below in conjunction with accompanying drawing, the embodiment of the utility model is described in further detail.

An embodiment of the utility model provides a schematic structural diagram of a multifunctional energy-saving water boiler, as shown in FIG. 1 . It includes an air source heat pump device 25 and a boiling water treatment device 24, which are connected through a condenser 3. The air source heat pump device 25 includes an evaporator 1, a compressor 2, a condenser 3, a throttle valve 4 and a fan 5, wherein the evaporator 1 is connected to the compressor 2, the compressor 2 is connected to the condenser 3, and the condenser 3 is connected to the throttle The valve 4 and the throttle valve 4 are connected to the evaporator 1, and the above-mentioned evaporator 1, compressor 2, condenser 3 and throttle valve 4 are connected through pipelines to form a vapor compression heat pump circulation loop.

The evaporator 1 in the air source heat pump device 25 is an air-cooled evaporator, which is placed indoors or outdoors or placed indoors and outdoors respectively, and then the two evaporators are connected in parallel; the evaporator absorbs heat in summer and serves as an air conditioner. Cooling capacity.

The condenser 3 is provided with a heating pipeline and a cold water pipeline through which the refrigerant flows. In this embodiment, the condenser 3 is a water-cooled condenser, which can be in the form of a sleeve type, a plate type, etc., and has the function of preheating tap water.

Boiled water treatment device 24 is made up of warm water tank 7 and boiled water tank 14, and boiled water tank 14 is positioned at the top of warm water tank 7, as shown in Figure 1. A heating water tank 8 (for heating boiling water) and an insulated water tank 16 (for storing boiling water) are arranged in the boiling water tank 14 , as shown in FIG. 2 . The heating water tank 8 is positioned at the thermal insulation water tank 16 top, and the outlet of the heating water tank 8 is connected with the inlet of the thermal insulation water tank 16 by the solenoid valve 13 . The cold water inlet of boiling water tank 14 is positioned at heating water tank top and is connected with the cold water outlet of warm water tank 7 by pipeline, and the boiling water outlet on the heat preservation water tank 16 is provided with boiling water faucet 18, and the warm water outlet of heat preservation water tank 16 is connected with warm water tank through heat exchanger tube 20. The warm water faucet 21 provided on the top is connected to the sewage outlet of the heat preservation water tank 16 and is provided with a waste discharge valve 22; the upper part of the heating water tank 8 is provided with a first vent hole 10, and the top of the heat preservation water tank 16 is respectively provided with a second vent hole 19 .

A first water level detection device 9 is arranged in the heating water tank 8 for detecting whether the upper water level and the lower water level in the heating water tank 8 reach the set value, and then control the water intake and drainage of the heating water tank 8 .

A second water level detection device 15 is arranged in the heat preservation water tank 16 to detect whether the upper water level and the lower water level in the heat preservation water tank 16 reach the set value, and then control the water intake and discharge of the heat preservation water tank 16 .

A first temperature-sensing probe 12 is provided on the side wall of the heating water tank 8 for detecting whether the temperature of the boiling water in the heating water tank 8 reaches a set temperature, and then controls the working state of the first electric heating tube 11 .

A second temperature-sensing probe 23 is arranged on the side wall of the heat-retaining water tank 16 to detect whether the temperature of the boiling water in the heat-retaining water tank 16 reaches the set temperature, and then control the working state of the second electric heating tube 17 .

A first electric heating pipe 11 for heating the water in the heating water tank 8 is also arranged on the side wall of the heating water tank 8 .

A second electric heating pipe 17 for heating the water in the heat-retaining water tank 16 is also arranged on the side wall of the heat-retaining water tank 16 .

The warm water tank 7 is a pressurized water tank, and the boiling water branch of the heat preservation water tank 16 enters the heat exchanger tube 20 in the warm water tank to exchange heat with the tap water to be heated, and then flows out from the warm water faucet 21 .

Example 1:

The working process of the multifunctional energy-saving water boiler is as follows:

The evaporator 1 in the air source heat pump device 25 absorbs heat from indoor and outdoor air, and can play the role of air conditioning in summer. After the refrigerant in the evaporator 1 absorbs heat, it becomes high-temperature and high-pressure refrigerant gas through the action of the compressor 2 and enters the condenser 3 . The tap water is controlled by the water inlet solenoid valve 6 and flows into the cold water pipe in the condenser 3. The high-temperature and high-pressure refrigerant heats the tap water circulating in the cold water pipe in the condenser 3. After heat exchange, the tap water is preheated to a certain temperature and then sent into the warm water tank7. After the warm water tank 7 is filled, water is pressed into the heating water tank 8 on the upper part of the boiling water tank 14 by the pressure of tap water, and the warm water is heated to boiling temperature by the first electric heating tube 11, and then the electromagnetic valve 13 of the heating water tank 8 is opened, and the boiling water enters The thermal insulation water tank 16 of water tank 14 bottoms is stored. The user can choose warm water faucet 21 and boiling water faucet 18 according to demand for water intake. Wherein the boiling water faucet 18 water outlet is the boiled water that is directly connected from the thermal insulation water tank 16; boiling water. The setting of the warm water tank 7 not only realizes heat recovery, but also satisfies people's requirements for use.

The second water level detection device 15 is housed in the heat preservation water tank 16, when detecting that the lower water level in the heat preservation water tank 16 has not reached the set value, the water inlet solenoid valve 6 is opened to inject tap water, and the air source heat pump device 25 is started. The first water level detection device 9 is housed in the heating water tank 8. When it is detected that the upper water level in the heating water tank 8 reaches the set value, the water inlet electromagnetic valve 6 is closed to stop the water intake, the air source heat pump device 25 stops working, and the first electric motor is started. Heating tube 11. When the first temperature sensing probe 12 in the heating water tank 8 detects that the temperature in the heating water tank 8 reaches the set value, the first electric heating tube 11 is closed and the solenoid valve 13 is opened. When the first water level detection device 9 detects that the lower water level in the heating water tank 8 reaches the set value, the electromagnetic valve 13 is closed. The second water level detecting device 15 continues to work, repeats above-mentioned action until when detecting the boiling water upper water level in the heat preservation water tank 16 of boiling water tank 14 bottoms reaches set value, the first electric heating pipe 11 stops working in the heating water tank 8 now. A second temperature-sensing probe 23 is housed in the heat-insulating water tank 16. When it is detected that the temperature of the boiling water in the heat-insulating water tank 16 is lower than the lower limit of the set temperature, the second heating pipe 17 is started to heat the water. After the boiling water temperature in the water tank 16 reaches the set temperature upper limit, the second heating pipe 17 stops running.

Example 2:

When the evaporator 1 is limited by conditions and cannot absorb heat from the outside in winter, the air source heat pump device 25 stops running, and only the boiling water treatment device 24 electrically heats the tap water, that is, the air source heat pump device 25 in the multifunctional energy-saving water boiler According to the operation conditions, the device is divided into summer operation mode and winter operation mode. The summer operation mode is the complete operation process, that is, both the air source heat pump device 25 and the boiling water treatment device 24 described in Embodiment 1 work, and the winter operation mode is In Embodiment 2, the air source heat pump device 25 stops running, and only the boiling water treatment device 24 works.

Although the specific embodiments of the present utility model have been described above, those skilled in the art should understand that these are only examples, and various changes or modifications can be made to these embodiments without departing from the principle of the present utility model and substance. The scope of the present invention is limited only by the appended claims.

Claims (6)

1. A multifunctional energy-saving water boiler, comprising an air source heat pump device and a boiling water treatment device, the two are connected by a condenser, wherein the air source heat pump device includes a compressor, a condenser, a throttle valve and a blower fan, and is characterized in that : the boiling water treatment device is made up of warm water tank and boiling water tank, and described boiling water tank is positioned at the top of warm water tank, and heating water tank and heat preservation water tank are set in described boiling water tank, and described heating water tank is positioned at heat preservation water tank top; The cold water inlet is connected to the cold water outlet of the warm water tank through a pipe, the boiling water outlet on the heat preservation water tank is provided with a boiling water faucet, and the warm water outlet of the heat preservation water tank is connected to the warm water faucet provided on the warm water tank through a heat exchanger tube; the boiling water outlet of the heating water tank is connected through an electromagnetic The valve is connected to the boiling water inlet of the thermal insulation water tank; a drain valve is arranged at the drain outlet of the thermal insulation water tank; an exhaust hole is respectively arranged on the upper part of the heating water tank and the upper part of the thermal insulation water tank; the air source heat pump device also includes an evaporator , the evaporator, compressor, condenser and throttling valve are connected through pipelines to form a vapor compression heat pump circulation loop. the 2. The multifunctional energy-saving water boiler according to claim 1, characterized in that: a first water level detection device is arranged on the upper part of the heating water tank. the 3. The multi-functional energy-saving water boiler according to claim 1, characterized in that: a second water level detection device is arranged on the upper part of the thermal insulation water tank. the 4. The multifunctional energy-saving water boiler according to claim 1, characterized in that: a first temperature-sensing probe is arranged on the side wall of the heating water tank; Second temperature probe. the 5. The multifunctional energy-saving water boiler according to claim 1, characterized in that: the side wall of the heating water tank is also provided with a first electric heating tube for heating the water in the heating water tank; A second electric heating pipe for heating the water in the heat preservation water tank is also arranged on the side wall of the heat preservation water tank. the 6. The multifunctional energy-saving water boiler according to claim 1, characterized in that: the evaporator is an air-cooled evaporator, placed indoors or outdoors or placed indoors and outdoors respectively, and then the two The evaporators are connected in parallel. the

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