CN204987464U - Indoor confession warm pump water heater system - Google Patents

Abstract

The utility model discloses an indoor heating heat pump water heater system, which comprises a heating heat pump water heater. The heating heat pump water heater includes a compressor, a cold and heat exchanger, a separator, a condenser, an evaporator, a hot water tank, a heating radiator and a liquid storage tank. , wherein the compressors are respectively connected to a cold heat exchanger and a separator, the cold heat exchangers are respectively connected to a separator, a condenser and an evaporator, and the condenser is respectively connected to a hot water tank and a heating fin The first branch circuit and the second branch circuit connected in parallel, and the liquid storage tank, the liquid storage tank is connected to the evaporator through a capillary tube. The indoor heating heat pump water heater system does not need any power or energy, high heating efficiency, energy saving, energy saving and environmental protection; no outdoor unit, easy installation, economical and affordable; it has the functions of providing hot water and heating, which greatly facilitates people's life ; At the same time, the waste heat of domestic waste water is recovered, thereby saving energy, which has obvious economic benefits and reduces thermal pollution to the environment.

Description

A heat pump water heater system for indoor heating

technical field

The utility model relates to a water heater, in particular to an indoor heating heat pump water heater system.

Background technique

As a household appliance commonly used in people's lives, water heaters bring great convenience to people's lives. A water heater refers to a device that raises the temperature of cold water into hot water within a certain period of time through various chemical principles. Currently the most used water heaters are electric water heaters, gas water heaters and solar water heaters. However, the above-mentioned electric water heaters, gas water heaters and solar water heaters all have different disadvantages.

The electric water heater is a water heater heated by electricity. It needs to be preheated before use, and the water volume exceeding the capacity of the electric water heater cannot be used continuously. Fuel, a gas appliance that transfers heat to cold water flowing through a heat exchanger to prepare hot water by means of combustion and heating. It should not be installed in the bathroom or far away from the kitchen, because in principle the gas water Installed in the bathroom, if it is far away from the kitchen, the hot water pipe is too long, and a large amount of water resources will be consumed in vain in the middle; in addition, the inconvenience is that the user cannot adjust the temperature by himself during the bathing process, but must be heated before entering the bathroom. Adjust the temperature first, and the temperature will be hot and cold, and the gas water heater will occasionally fail to ignite; the solar water heater is a device that converts sunlight energy into heat energy, and heats water from low temperature to high temperature to meet The use of hot water in people's life and production has a strong dependence on the weather, which cannot meet the needs of using hot water anytime and anywhere throughout the year.

Energy saving and environmental protection is the theme of today's world and has important strategic significance for the sustainable development of human beings. With the continuous improvement of living standards, people's demand for domestic hot water is increasing, and the energy consumption of water heaters has become an important part of people's daily energy consumption. The water heaters currently used by people all belong to high energy consumption and low efficiency methods, and at the same time, the used hot water is all wasted as waste water.

At the same time, all water heaters on the market need to be equipped with an outdoor unit, and in winter in the north, the outdoor temperature is extremely low, and the outdoor unit is easy to freeze, which makes the outdoor unit unable to work normally, resulting in the water heater being unable to provide hot water normally; at the same time, due to Due to the existence of the outdoor unit, there are certain requirements for the installation position of the water heater indoors, and the installation is often inconvenient, which increases the difficulty of installation.

Therefore, it is particularly important to develop a water heater with heating efficiency, energy saving and environmental protection, and easy installation.

Utility model content

In view of the above shortcomings, the purpose of this utility model is to provide an indoor heating heat pump water heater system, which does not need any external power or energy, has high heating efficiency, energy saving, zero emissions, and achieves the purpose of energy saving and environmental protection; no outdoor unit, easy installation , stable performance, reliable operation, and economic benefits; it has the functions of providing hot water and heating, which greatly facilitates people's life and improves the quality of life; at the same time, it recovers waste heat from domestic waste water, thereby greatly saving energy and has obvious economical advantages. performance, while reducing heat pollution to the environment.

The technical scheme that the utility model adopts for achieving the above object is:

An indoor heating heat pump water heater system is characterized in that it includes a heating heat pump water heater, the heating heat pump water heater includes a compressor, a cold heat exchanger, a separator, a condenser, an evaporator, a hot water tank, a heating fin and a liquid storage tank , wherein the compressors are respectively connected to a cold heat exchanger and a separator, the cold heat exchangers are respectively connected to a separator, a condenser and an evaporator, and the condenser is respectively connected to a hot water tank and a heating fin The first branch circuit and the second branch circuit connected in parallel, and the liquid storage tank, the liquid storage tank is connected to the evaporator through a capillary tube.

As a further improvement of the present utility model, the heating heat pump water heater further includes a circulation pump arranged between the condenser and the second branch circuit.

As a further improvement of the utility model, it also includes a drainage heat recovery device, which includes a throttle valve, a domestic drainage tank and a filter, the throttle valve is respectively connected to the condenser and the evaporator, and the filter is connected to the Between the domestic drainage tank and the evaporator, the domestic drainage in the domestic drainage tank flows into the filter, evaporator, throttle valve and condenser in sequence.

As a further improvement of the utility model, the evaporator is a submerged evaporator, the upper end of the submerged evaporator is provided with a water inlet, the lower end is provided with a water outlet, and a copper coil is provided inside.

As a further improvement of the utility model, the condenser is a casing condenser.

The beneficial effects of the utility model are: only the heat of the refrigerant itself is used to provide heat for hot water preparation and heating, without any external power or energy, high heating efficiency, greatly saving energy, and achieving the purpose of energy saving and environmental protection; no need to set up outdoor The machine provides the function of evaporation and heat dissipation to prevent the phenomenon that the outdoor unit freezes in winter and cannot work. The water heater of the present invention has the function of evaporation and heat dissipation, which makes the water heater integrated, easy to install, stable in performance, reliable in operation, and economical; It has the function of providing hot water and heating, which greatly facilitates people's life and improves the quality of life; at the same time, a drainage heat recovery device is installed, using domestic drainage as a low-temperature heat source, and the heat is raised by the circulating pump and then re-enters the water heater for heating With heating, it solves the problem of domestic waste hot water waste heat recovery, which greatly saves energy, has obvious economy, and reduces thermal pollution to the environment at the same time.

The above is an overview of the technical solution of the utility model, and the utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a structural schematic diagram of Embodiment 1 of the present invention;

Fig. 2 is a schematic structural diagram of Embodiment 2 of the present invention;

Fig. 3 is a schematic structural diagram of an immersion evaporator according to an embodiment of the present invention.

detailed description

In order to further explain the technical means and effects of the utility model to achieve the predetermined purpose, the specific implementation of the utility model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

Embodiment one:

Please refer to Fig. 1, the present embodiment provides an indoor heating heat pump water heater system, including a heating heat pump water heater, the heating heat pump water heater includes a compressor, a cold heat exchanger, a separator, a condenser, an evaporator, a hot water tank, a heating radiator sheet and liquid storage tank, wherein the compressors are respectively connected to the cold heat exchanger and the separator, the cold heat exchanger is respectively connected to the separator, the condenser and the evaporator, and the condenser is respectively connected to the hot water The first branch circuit and the second branch circuit connected in parallel with the heating radiator, and the liquid storage tank, the liquid storage tank is connected to the evaporator through a capillary tube.

This embodiment also provides a heating method based on the above-mentioned indoor heating heat pump water heater system, including the following steps:

(1) Prepare a heating heat pump water heater, including a compressor, a cold and heat exchanger, a condenser, a liquid storage tank, a capillary tube, an evaporator, a hot water tank, a heating fin and a separator;

(2) Inhale low-temperature and low-pressure refrigerant gas through the compressor, compress and heat the low-temperature and low-pressure refrigerant gas, discharge high-temperature and high-pressure refrigerant gas, and transmit it to the cold and heat exchanger;

(3) sending the high-temperature and high-pressure refrigerant gas to the condenser through the cold-heat exchanger, and absorbing the heat of the high-temperature and high-pressure refrigerant gas through the condenser;

(4) The high-temperature and high-pressure refrigerant gas that has absorbed heat by the condenser is converted into a high-pressure liquid refrigerant, and the high-pressure liquid refrigerant is passed to the liquid storage tank; the high-pressure liquid refrigerant is throttled and expanded through the capillary to make it Become a low-temperature and low-pressure refrigerant gas, and then enter the evaporator; and pass the low-temperature and low-pressure refrigerant gas to the cold heat exchanger through the evaporator; the cold heat exchanger naturally evaporates the residual cold of these low-temperature and low-pressure refrigerant gases At the same time, the heat of the high-temperature and high-pressure refrigerant gas absorbed by the condenser is used to prepare hot water and store it in the hot water tank, and at the same time transmit it to the heating radiator to realize heating;

(5) Separating the gas from the liquid through the separator, and then passing the separated gas to the compressor, and repeating steps (2) to (4).

The heat supply method of the indoor heating heat pump water heater provided in this embodiment does not require the outdoor unit to provide the evaporation and heat dissipation function, so as to prevent the phenomenon that the outdoor unit freezes in winter and cannot work. The heating method of the indoor heating heat pump water heater provided in this embodiment It also has the function of evaporation and heat dissipation, which makes the water heater integrated, easy to install, and economical; at the same time, it also has the function of heating while providing hot water, which greatly facilitates people's lives and improves people's quality of life.

At the same time, the heat supply method of the heat pump water heater for indoor heating provided in this embodiment only uses the heat of the refrigerant itself to provide heat for hot water preparation and heating, and the functions of hot water preparation and heating can be realized without any external power or energy. Greatly saves energy and achieves the purpose of energy saving and environmental protection.

Embodiment two:

Please refer to Figure 2 and Figure 3, the main difference between this embodiment and Embodiment 1 is: the heating heat pump water heater also includes a circulation pump 2 arranged between the condenser and the second branch; it also includes a drain heat recovery device, The drainage heat recovery device includes a throttle valve, a domestic drainage tank and a filter. The throttle valve is respectively connected to the condenser and the evaporator. The filter is connected between the domestic drainage tank and the evaporator. Drain water flows into the filter, evaporator, throttle valve and condenser in sequence; the evaporator is a submerged evaporator, and the upper end of the submerged evaporator is provided with a water inlet 3, and its lower end is provided with a drain port 4, and its interior is provided with There is a copper coil 5; the condenser is a sleeve condenser. The other parts are the same as those in the embodiment and will not be repeated here.

Embodiment 2 also provides a heat supply method based on the above-mentioned indoor heating heat pump water heater system. The main differences between this method and the method in Embodiment 1 are:

Include the following steps:

The step (1) also includes a circulating pump 2 to provide power for hot water preparation and heating; at the same time, in this embodiment, the following steps are also included: (6) performing heat recovery on the domestic drainage through the evaporator, And part of the heat of the domestic drainage is transferred to the refrigerant and then discharged as low-temperature cold water. The circulation pump 2 raises the part of the heat into heat energy for reuse. The evaporator is an immersion evaporator, as shown in Figure 3, the upper end of the immersion evaporator is provided with a water inlet 3, the lower end is provided with a water outlet 4, and a copper coil 5 is arranged inside it, and the refrigerant flows through the copper coil. Evaporate and absorb heat in the coil 5, and the domestic drainage enters the submerged evaporator from the water inlet 3, and flows outside the copper coil 5 to flush the copper coil laterally to release heat, and then discharges from the drain 4; in the step (1) Wherein, the heating heat pump water heater also includes a filter to filter the domestic drainage before it enters the submerged evaporator; the condenser is a casing condenser. The other parts are the same as those in the embodiment and will not be repeated here.

In this embodiment, the domestic waste water is used as the low-temperature heat source, and the heat is raised by the circulating pump and then re-enters the water heater for heating and heating, which solves the problem of waste heat recovery from domestic waste water, thereby greatly saving energy and having obvious economic benefits. Sex, while reducing thermal pollution to the environment; the setting of the filter filters the domestic drainage before it enters the submerged evaporator; through reasonable setting of the structure of the submersible evaporator, the domestic drainage The waste heat recovery is more thorough, avoiding the occurrence of fluid short circuit.

As shown in Figure 2, the tap water enters the water heater through the check valve 1, and through the heat supply method of the indoor heating heat pump water heater, the purpose of providing hot water, heating and recovering and reusing the waste heat discharged from the hot water is achieved.

The main point of the utility model is that only the heat of the refrigerant itself is used to provide heat for hot water preparation and heating, without any power or energy from the outside world, high heating efficiency, greatly saving energy, and achieving the purpose of energy saving and environmental protection; no need to set up outdoor The machine provides the function of evaporation and heat dissipation to prevent the phenomenon that the outdoor unit freezes in winter and cannot work. The water heater of the present invention has the function of evaporation and heat dissipation, which makes the water heater integrated, easy to install, stable in performance, reliable in operation, and economical; It has the function of providing hot water and heating, which greatly facilitates people's life and improves the quality of life; at the same time, a drainage heat recovery device is installed, using domestic drainage as a low-temperature heat source, and the heat is raised by the circulating pump and then re-enters the water heater for heating With heating, it solves the problem of domestic waste hot water waste heat recovery, which greatly saves energy, has obvious economy, and reduces thermal pollution to the environment at the same time.

The above is only a preferred embodiment of the utility model, and does not limit the technical scope of the utility model in any way. Therefore, other indoor heating heat pumps obtained by adopting the same or similar technical features as the above-mentioned embodiments of the utility model Water heater systems are all within the protection scope of the present utility model.

Claims (5)

1. A heat pump water heater system for indoor heating, characterized in that it comprises a heat pump water heater for heating, and the heat pump water heater for heating includes a compressor, a heat and cold exchanger, a separator, a condenser, an evaporator, a hot water tank, a heating fin and a storage tank liquid tank, wherein the compressors are respectively connected to the cold and heat exchanger and the separator, the cold and heat exchanger are respectively connected to the separator, the condenser and the evaporator, and the condenser is respectively connected to the hot water tank and the heating The first branch circuit and the second branch circuit connected in parallel with the cooling fins, and the liquid storage tank, the liquid storage tank is connected to the evaporator through a capillary tube. 2. The indoor heating heat pump water heater system according to claim 1, characterized in that, the heating heat pump water heater further comprises a circulation pump arranged between the condenser and the second branch circuit. 3. The indoor heating heat pump water heater system according to claim 2, characterized in that it also includes a drainage heat recovery device, the drainage heat recovery device includes a throttle valve, a domestic drainage tank and a filter, and the throttle valve is respectively connected to The condenser and the evaporator, the filter is connected between the domestic drainage tank and the evaporator, and the domestic drainage in the domestic drainage tank flows into the filter, the evaporator, the throttle valve and the condenser in sequence. 4. The heat pump water heater system for indoor heating according to claim 3, wherein the evaporator is a submerged evaporator, a water inlet is provided at the upper end of the submerged evaporator, a water outlet is provided at the lower end, and a water outlet is provided inside the submerged evaporator. There is a copper coil. 5. The heat pump water heater system for indoor heating according to claim 3, wherein the condenser is a casing condenser.